CA2396999A1 - System and method for intelligent lens transfer - Google Patents
System and method for intelligent lens transfer Download PDFInfo
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- CA2396999A1 CA2396999A1 CA002396999A CA2396999A CA2396999A1 CA 2396999 A1 CA2396999 A1 CA 2396999A1 CA 002396999 A CA002396999 A CA 002396999A CA 2396999 A CA2396999 A CA 2396999A CA 2396999 A1 CA2396999 A1 CA 2396999A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/008—Packaging other articles presenting special problems packaging of contact lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
- B65B5/04—Packaging single articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the transport system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31304—Identification of workpiece and data for control, inspection, safety, calibration
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31432—Keep track of conveyed workpiece, batch, tool, conditions of stations, cells
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32212—If parameter out of tolerance reject product
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50364—Buffer for workpieces, pallets, trays with articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/40—Minimising material used in manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
In a processing facility comprising a plurality processing stations each for automatically conveying products in various stages of production for controlled processing, an intelligent product transfer and conveyance system that enables uninterrupted processing of only products determined as having passed a first inspection process at an upstream processing station. The intelligent product transfer and conveyance system for a processing facility ensures a continuous flow of a plurality of good products at sufficiently high speeds from an inspection process to subsequent stations for subsequent individualized packaging.
The processing facility may comprise a contact lens manufacturing line for manufacturing spherical or toric type ophthalmic contact lens products.
The processing facility may comprise a contact lens manufacturing line for manufacturing spherical or toric type ophthalmic contact lens products.
Claims (52)
1. A method for automatically transporting a plurality of products for sequential processing at one or more processing stations, one processing station comprising a mechanism for determining acceptability of individual products of said plurality of products conveyed thereto on one or more first transport structures, said method comprising:
a) generating an information record associated with each first transport structure carrying a plurality of products, said record including information for identifying products carried by said first transport structure and including a data structure identifying locations of any product on said transport structure determined to have met acceptability criteria as determined at said one processing station;
b) conveying said first transport structure carrying zero or more acceptable products in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of products as a result of processing thereat;
c) communicating an updated information record associated with a first transport structure currently en route to a product unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including acceptable products; and, d) transferring zero or more acceptable products from identified locations in said first transport structure at said product unload area to said staging area and placing a corresponding individual product to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
a) generating an information record associated with each first transport structure carrying a plurality of products, said record including information for identifying products carried by said first transport structure and including a data structure identifying locations of any product on said transport structure determined to have met acceptability criteria as determined at said one processing station;
b) conveying said first transport structure carrying zero or more acceptable products in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of products as a result of processing thereat;
c) communicating an updated information record associated with a first transport structure currently en route to a product unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including acceptable products; and, d) transferring zero or more acceptable products from identified locations in said first transport structure at said product unload area to said staging area and placing a corresponding individual product to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
2. The method as claimed in Claim 1, wherein one of said processing stations is capable of processing acceptable products from one or more transport structures conveyed thereto, said method further comprising the steps of:
transferring identified acceptable products from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations; and, generating a further information record associated with said second transport structure at said processing station, including updating said data structure to identify known locations of zero or more acceptable products on said second transport structure, whereby said step c) includes communicating an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said second transport structure and, step d) includes transferring zero or more acceptable products from identified locations in said second transport structure and placing a corresponding individual product to an associated aligned individual transport structure.
transferring identified acceptable products from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations; and, generating a further information record associated with said second transport structure at said processing station, including updating said data structure to identify known locations of zero or more acceptable products on said second transport structure, whereby said step c) includes communicating an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said second transport structure and, step d) includes transferring zero or more acceptable products from identified locations in said second transport structure and placing a corresponding individual product to an associated aligned individual transport structure.
3. The method as claimed in Claim 1, wherein said data structure comprises a bit pattern including a pre-defined number of bits, each bit associated with a particular location on said transport structure and having a first value indicating location of acceptable product or, a second value indicating absence of an acceptable product.
4. The method as claimed in Claim 1, wherein prior to transferring step b), the step of removing zero or more products from said first transport structure identified at said inspection station as failing to meet said acceptable criteria in accordance with said data structure.
5. The method as claimed in Claim 2, wherein said product is an ophthalmic lens, said first transport structures for transferring formed lens products comprising a fabrication tray.
6. The method as claimed in Claim 2, wherein said step of transferring identified acceptable products from one or more first transport structures to a second transport structure includes mapping the location of each zero or more acceptable product locations transferred from each respective one or more transport structures providing product to the second transport structure into said data structure.
7. The method as claimed in Claim 6, wherein said step b) of transferring one or more pluralities of products from said one or more transport structures to a second transport structure includes buffering a plurality of first transport structures at a buffer location prior to said transfer.
8. The method as claimed in Claim 5, wherein said product is an ophthalmic lens, said second transport structure comprising a hydration tray means for carrying acceptable lens products from one or more first transport structures to a hydration station for simultaneously hydrating said formed lenses.
9. The method as claimed in Claim 3, wherein said step of staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure comprises the steps of feeding a plurality of individual transport structures to a first location via a first conveyor in accordance with said received bit pattern;
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
10. The method as claimed in Claim 9, wherein said staging area includes a product load position where said acceptable products are simultaneously transferred thereto from a product unload location, said method further comprising the step of simultaneously pushing said individual transport structures to said product load position after registered in accordance with said bit pattern.
11. A system for automatically transporting a plurality of ophthalmic lens for sequential processing at one or more processing stations, one processing station comprising a mechanism for determining acceptability of individual products of said plurality of products conveyed thereto on one or more first transport structures and generating an information record associated with each first transport structure including information for identifying products carried by said first transport structure and including a data structure identifying locations of any product on said first transport structure determined to have met acceptability criteria as determined at said one processing station, said system comprising:
communications infrastructure for enabling access to said information records at each downstream processing station in coordination with processing of products carried by its associated first transport structure at a respective processing station;
a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure in response to a received information record associated with a first transport structure currently en route to a product unload area, said staging means including means for aligning zero or more individual transport structures in a staging area according to locations identified in said data structure as including acceptable products;
and, a first transfer mechanism including transfer elements for transferring zero or more acceptable products from said first transport structure to respective individual aligned transport structures in said staging area; and, control means responsive to receipt of said information records associated with one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable products to be transferred by said first transfer mechanism as indicated by said data structure, and initiating simultaneous transfer and placement of individual products to a respective aligned transport structure, wherein said information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
communications infrastructure for enabling access to said information records at each downstream processing station in coordination with processing of products carried by its associated first transport structure at a respective processing station;
a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure in response to a received information record associated with a first transport structure currently en route to a product unload area, said staging means including means for aligning zero or more individual transport structures in a staging area according to locations identified in said data structure as including acceptable products;
and, a first transfer mechanism including transfer elements for transferring zero or more acceptable products from said first transport structure to respective individual aligned transport structures in said staging area; and, control means responsive to receipt of said information records associated with one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable products to be transferred by said first transfer mechanism as indicated by said data structure, and initiating simultaneous transfer and placement of individual products to a respective aligned transport structure, wherein said information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
12. The system for automatically transporting products as claimed in Claim 11, wherein one of said processing stations is capable of processing acceptable products from one or more first transport structures conveyed thereto, said system further comprising:
second transfer mechanism for transferring identified acceptable products from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations, said control means responsive to receipt of said information records associated with each respective one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable products to be transferred by said second transfer mechanism as indicated by respective data structures for each first transport structure.
second transfer mechanism for transferring identified acceptable products from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations, said control means responsive to receipt of said information records associated with each respective one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable products to be transferred by said second transfer mechanism as indicated by respective data structures for each first transport structure.
13. The system for automatically transporting products as claimed in Claim 12, further comprising:
means for generating a further information record associated with said second transport structure at said one of said processing stations, said record including an updated data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said communications infrastructure enables communication of an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said second transport structure.
means for generating a further information record associated with said second transport structure at said one of said processing stations, said record including an updated data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said communications infrastructure enables communication of an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said second transport structure.
14. The system for automatically transporting products as claimed in Claim 11, wherein said data structure comprises a bit pattern including a pre-defined number of bits, each bit associated with a particular location on said transport structure and having a first value indicating location of acceptable product or, a second value indicating absence of an acceptable product.
15. The system for automatically transporting products as claimed in Claim 11, further including a mechanism for removing zero or more products from said first transport structure identified as failing to meet said acceptable criteria in accordance with said data structure.
16. The system for automatically transporting products as claimed in Claim 12, wherein said product is an ophthalmic lens, said first transport structures for transporting formed lens products comprising a fabrication tray.
17. The system for automatically transporting products as claimed in Claim 16, wherein said product is an ophthalmic lens, said second transport structure comprising a hydration tray means for carrying acceptable lens products from one or more first transport structures to a hydration station for hydrating said formed lenses.
18. The system for automatically transporting products as claimed in Claim 13, wherein said means for generating a further information record associated with said second transport structure at said one of said processing stations includes mechanism for mapping the location of each zero or more acceptable product locations transferred from each respective one or more transport structures providing product to the second transport structure into said data structure.
19. The system for automatically transporting products as claimed in Claim 14, wherein said staging mechanism includes:
a first conveyor mechanism for feeding a plurality of individual transport structures to a first location in accordance with said received bit pattern;
a second conveyor mechanism for transporting zero or more individual transport structures to said staging area in accordance with a received bit pattern;
device located at said first location for engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern, said device either handing-off an engaged individual transport structure to said second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern;
said control means enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area at a location corresponding to received first bit values of said pre-defined number of bits.
a first conveyor mechanism for feeding a plurality of individual transport structures to a first location in accordance with said received bit pattern;
a second conveyor mechanism for transporting zero or more individual transport structures to said staging area in accordance with a received bit pattern;
device located at said first location for engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern, said device either handing-off an engaged individual transport structure to said second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern;
said control means enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area at a location corresponding to received first bit values of said pre-defined number of bits.
20. The system for automatically transporting products as claimed in Claim 19, wherein said staging area includes a product load position where said acceptable products are simultaneously transferred thereto by said first transfer mechanism, said staging mechanism further comprising pusher mechanism for pushing said individual transport structures to said product load position according to said bit pattern.
21. The system for automatically transporting products as claimed in Claim 20, further comprising an exit conveyor for transporting said individual transport structures including a product transferred thereto, said pusher mechanism simultaneously pushing each said individual transport structure including a product from said product load position to said exit conveyor.
22. A method for automatically transporting a plurality of ophthalmic lenses for sequential processing at one or more processing stations, one processing station comprising a mechanism for determining locations of acceptable lenses to be transported for further downstream processing on one or more first transport structures, said method comprising:
a) generating an information record associated with each first transport structure carrying a plurality of lenses, said record including information for identifying the lenses carried by said first transport structure and including a data structure identifying said locations of any acceptable lens carried on said first transport structure as determined at said processing station;
b) conveying said first transport structure carrying zero or more acceptable lenses in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of lenses as a result of processing at said station;
c) communicating an updated information record associated with a first transport structure currently en route to a lens unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including an acceptable lens;
and, d) transferring zero or more acceptable lenses from identified locations in said transport structure at said lens unload area to said staging area and placing a corresponding individual lens to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to said lens unload area is communicated prior to arrival of said first transport structure thereat.
a) generating an information record associated with each first transport structure carrying a plurality of lenses, said record including information for identifying the lenses carried by said first transport structure and including a data structure identifying said locations of any acceptable lens carried on said first transport structure as determined at said processing station;
b) conveying said first transport structure carrying zero or more acceptable lenses in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of lenses as a result of processing at said station;
c) communicating an updated information record associated with a first transport structure currently en route to a lens unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including an acceptable lens;
and, d) transferring zero or more acceptable lenses from identified locations in said transport structure at said lens unload area to said staging area and placing a corresponding individual lens to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to said lens unload area is communicated prior to arrival of said first transport structure thereat.
23. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 22, wherein one of said processing stations is capable of processing acceptable lenses from one or more transport structures conveyed thereto, said method further comprising the steps of:
transferring identified acceptable lenses from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations; and, generating a further information record associated with said second transport structure at said processing station, including updating said data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said step c ) includes communicating an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said second transport structure and, step d) includes transferring zero or more acceptable lenses from identified locations in said second transport structure and placing a corresponding individual lens to an associated aligned individual transport structure.
transferring identified acceptable lenses from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations; and, generating a further information record associated with said second transport structure at said processing station, including updating said data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said step c ) includes communicating an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said second transport structure and, step d) includes transferring zero or more acceptable lenses from identified locations in said second transport structure and placing a corresponding individual lens to an associated aligned individual transport structure.
24. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 22, wherein said data structure comprises a bit pattern including a pre-defined number of bits, each bit associated with a particular location on said first transport structure and having a first value indicating location of an acceptable lens or, a second value indicating absence of an acceptable lens.
25. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 22, wherein prior to transferring step b), the step of removing zero or more lenses from said first transport structure identified as failing to meet said acceptable criteria in accordance with said data structure.
26 26. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 23, wherein said first transport structure comprises a fabrication tray having lens products formed therein.
27. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 23, wherein said step of transferring identified acceptable lenses from one or more first transport structures to a second transport structure includes mapping the location of each zero or more acceptable lens locations transferred from each respective one or more transport structures providing lenses to the second transport structure into said data structure.
28. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 27, wherein said step b) of transferring one or more pluralities of lenses from said one or more transport structures to a second transport structure includes buffering a plurality of first transport structures at a buffer location prior to said transfer.
29. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 26, wherein said second transport structure comprises a hydration tray means for carrying acceptable lens products from said one or more first transport structures to a hydration station for simultaneously hydrating said formed lenses.
30. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 24, wherein said step of staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said first transport structure comprises the steps of:
feeding a plurality of individual transport structures to a first location via a first conveyor in accordance with said received bit pattern;
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
feeding a plurality of individual transport structures to a first location via a first conveyor in accordance with said received bit pattern;
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
31. The method for automatically transporting a plurality of ophthalmic lenses as claimed in Claim 30, wherein said staging area includes a lens load position where said acceptable products are simultaneously transferred thereto from a lens unload position, said method further comprising the step of simultaneously pushing said individual transport structures to said lens load position after registered in accordance with said bit pattern.
32. A system for automatically transporting a plurality of ophthalmic lens for sequential processing at one or more processing stations, one processing station comprising a mechanism for determining locations of acceptable lenses to be transported for further downstream processing on one or more first transport structures, and generating an information record associated with each first transport structure for identifying products carried by said first transport structure, said record including a data structure identifying said locations of any acceptable lens canted on said first transport structure, said system comprising:
communications infrastructure for enabling access to said information records at each downstream processing station in coordination with processing of lenses carried by its associated first transport structure at a respective processing station;
a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said first transport structure in response to a received information record associated with a first transport structure currently en route to a lens unload area, said staging means including means for aligning zero or more individual transport structures in a staging area according to locations identified in said data structure as including acceptable lenses;
a first transfer mechanism including transfer elements for transferring zero or more acceptable lenses from said first transport structure to respective individual aligned transport structures in said staging area; and, control means responsive to receipt of said information records associated with one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable lenses to be transferred by said first transfer mechanism as indicated by said data structure, and initiating simultaneous transfer and placement of individual lenses to a respective aligned transport structure, wherein said information record associated with a first transport structure currently en route to a lens unload area is communicated prior to arrival of said first transport structure thereat.
communications infrastructure for enabling access to said information records at each downstream processing station in coordination with processing of lenses carried by its associated first transport structure at a respective processing station;
a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said first transport structure in response to a received information record associated with a first transport structure currently en route to a lens unload area, said staging means including means for aligning zero or more individual transport structures in a staging area according to locations identified in said data structure as including acceptable lenses;
a first transfer mechanism including transfer elements for transferring zero or more acceptable lenses from said first transport structure to respective individual aligned transport structures in said staging area; and, control means responsive to receipt of said information records associated with one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable lenses to be transferred by said first transfer mechanism as indicated by said data structure, and initiating simultaneous transfer and placement of individual lenses to a respective aligned transport structure, wherein said information record associated with a first transport structure currently en route to a lens unload area is communicated prior to arrival of said first transport structure thereat.
33. The system for automatically transporting ophthalmic lenses as claimed in Claim 32, wherein one of said processing stations is capable of processing acceptable lenses from one or more first transport structures conveyed thereto, said system further comprising:
second transfer mechanism for transferring identified acceptable lenses from one or more first transport structures to. a second transport structure for simultaneously processing at said one of said processing stations, said control means responsive to receipt of said information records associated with each respective one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable lenses to be transferred by said second transfer mechanism as indicated by respective data structures for each first transport structure.
second transfer mechanism for transferring identified acceptable lenses from one or more first transport structures to. a second transport structure for simultaneously processing at said one of said processing stations, said control means responsive to receipt of said information records associated with each respective one or more first transport structures for coordinating activation of said transfer elements at locations of acceptable lenses to be transferred by said second transfer mechanism as indicated by respective data structures for each first transport structure.
34. The system for automatically transporting ophthalmic lenses as claimed in Claim 33, further comprising:
means for generating a further information record associated with said second transport structure at said one of said processing stations, said record including an updated data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said communications infrastructure enables communication of an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said second transport structure.
means for generating a further information record associated with said second transport structure at said one of said processing stations, said record including an updated data structure to identify known locations of zero or more acceptable lenses on said second transport structure, whereby said communications infrastructure enables communication of an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual lens to be transferred from said second transport structure.
35. The system for automatically transporting ophthalmic lenses as claimed in Claim 32, wherein said data structure comprises a bit pattern including a pre-defined number of bits, each bit associated with a particular location on said transport structure and having a first value indicating location of acceptable lens or, a second value indicating absence of an acceptable lens.
36. The system for automatically transporting ophthalmic lenses as claimed in Claim 32, further including a mechanism for removing zero or more lenses from said first transport structure identified as failing to meet acceptable criteria in accordance with said determining mechanism.
37. The system for automatically transporting ophthalmic lenses as claimed in Claim 33, wherein said first transport structures includes a fabrication tray having lens products formed therein.
38. The system for automatically transporting ophthalmic lenses as claimed in Claim 37, wherein said second transport structure comprising a hydration tray means for carrying acceptable lenses from one or more first transport structures to a hydration station for hydrating said formed lenses.
39. The system for automatically transporting ophthalmic lenses as claimed in Claim 34, wherein said means for generating a further information record associated with said second transport structure at said one of said processing stations includes mechanism for mapping the location of each zero or more acceptable lens locations transferred from each respective one or more transport structures providing product to the second transport structure into said data structure.
40. The system for automatically transporting ophthalmic lenses as claimed in Claim 35, wherein said staging mechanism includes:
a first conveyor mechanism for feeding a plurality of individual transport structures to a first location in accordance with said received bit pattern;
a second conveyor mechanism for transporting zero or more individual transport structures to said staging area in accordance with a received bit pattern;
device located at said first location for engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern, said device either handing-off an engaged individual transport structure to said second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern;
said control means enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area at a location corresponding to received first bit values of said pre-defined number of bits.
a first conveyor mechanism for feeding a plurality of individual transport structures to a first location in accordance with said received bit pattern;
a second conveyor mechanism for transporting zero or more individual transport structures to said staging area in accordance with a received bit pattern;
device located at said first location for engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern, said device either handing-off an engaged individual transport structure to said second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern;
said control means enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area at a location corresponding to received first bit values of said pre-defined number of bits.
41. The system for automatically transporting ophthalmic lenses as claimed in Claim 40, wherein said staging area includes a product load position where said acceptable lenses are simultaneously transferred thereto by said first transfer mechanism, said staging mechanism further comprising pusher mechanism for pushing said individual transport structures to said product load position according to said bit pattern.
42. The system for automatically transporting ophthalmic lenses as claimed in Claim 41, further comprising an exit conveyor for transporting said individual transport structures including a lens transferred thereto, said pusher mechanism simultaneously pushing each said individual transport structure including said lens from said lens load position to said exit conveyor.
43. A program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine to perform method steps for automatically transporting a plurality of products for sequential processing at one or more processing stations, one processing station comprising a mechanism for determining acceptability of individual products of said plurality of products conveyed thereto on one or more first transport structures, said method steps comprising:
a) generating an information record associated with each first transport structure carrying a plurality of products, said record including information for identifying products carried by said first transport structure and including a data structure identifying locations of any product on said transport structure determined to have met acceptability criteria as determined at said one processing station;
b) conveying said first transport structure carrying zero or more acceptable products in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of products as a result of processing thereat;
c) communicating an updated information record associated with a first transport structure currently en route to a product unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including acceptable products; and, d) transferring zero or more acceptable products from identified locations in said first transport structure at said product unload area to said staging area and placing a corresponding individual product to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
a) generating an information record associated with each first transport structure carrying a plurality of products, said record including information for identifying products carried by said first transport structure and including a data structure identifying locations of any product on said transport structure determined to have met acceptability criteria as determined at said one processing station;
b) conveying said first transport structure carrying zero or more acceptable products in sequence to one or more downstream processing stations, and while at each processing station accessing each information record and updating said associated information with status of products as a result of processing thereat;
c) communicating an updated information record associated with a first transport structure currently en route to a product unload area to a transport staging means for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure, said staging means responsive to said data structure for aligning a plurality of individual transport structures in a staging area according to locations identified in said data structure as including acceptable products; and, d) transferring zero or more acceptable products from identified locations in said first transport structure at said product unload area to said staging area and placing a corresponding individual product to an associated aligned individual transport structure, wherein said updated information record associated with a first transport structure currently en route to a product unload area is communicated prior to arrival of said first transport structure thereat.
44. The program storage device readable by a machine as claimed in Claim 43, wherein one of said processing stations is capable of processing acceptable products from one or more transport structures conveyed thereto, said method further comprising the steps of transferring identified acceptable products from one or more first transport structures to a second transport structure for simultaneously processing at said one of said processing stations; and, generating a further information record associated with said second transport structure at said processing station, including updating said data structure to identify known locations of zero or more acceptable products on said second transport structure, whereby said step c) includes communicating an updated information record associated with a second transport structure currently en route to said transport staging area for staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said second transport structure and, step d) includes transferring zero or more acceptable products from identified locations in said second transport structure and placing a corresponding individual product to an associated aligned individual transport structure.
45. The program storage device readable by a machine as claimed in Claim 43, wherein said data structure comprises a bit pattern including a pre-defined number of bits, each bit associated with a particular location on said transport structure and having a first value indicating location of acceptable product or, a second value indicating absence of an acceptable product.
46. The program storage device readable by a machine as claimed in Claim 43, wherein prior to transferring step b), the step of removing zero or more products from said first transport structure identified at said inspection station as failing to meet said acceptable criteria in accordance with said data structure.
47. The program storage device readable by a machine as claimed in Claim 44, wherein said product is an ophthalmic lens, said first transport structures for transferring formed lens products comprising a fabrication tray.
48. The program storage device readable by a machine as claimed in Claim 44, wherein said step of transferring identified acceptable products from one or more first transport structures to a second transport structure includes mapping the location of each zero or more acceptable product locations transferred from each respective one or more transport structures providing product to the second transport structure into said data structure.
49. The program storage device readable by a machine as claimed in Claim 48, wherein said step b) of transferring one or more pluralities of products from said one or more transport structures to a second transport structure includes buffering a plurality of first transport structures at a buffer location prior to said transfer.
50. The program storage device readable by a machine as claimed in Claim 47, wherein said product is an ophthalmic lens, said second transport structure comprising a hydration tray means for carrying acceptable lens products from one or more first transport structures to a hydration station for simultaneously hydrating said formed lenses.
51. The program storage device readable by a machine as claimed in Claim 45, wherein said step of staging a plurality of individual transport structures each capable of receiving an individual product to be transferred from said first transport structure comprises the steps of:
feeding a plurality of individual transport structures to a first location via a first conveyor in accordance with said received bit pattern;
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
feeding a plurality of individual transport structures to a first location via a first conveyor in accordance with said received bit pattern;
transporting zero or more individual transport structures to said staging area via a second conveyor in accordance with a received bit pattern;
one of engaging an individual transport structure in response to detection of a first bit value from said bit pattern, or preventing engagement of an individual transport structure in response to detection of a second bit value from said bit pattern; and respectively in response, handing-off an engaged individual transport structure to a second conveyor for indexed conveyance to said staging area in accordance with a first bit value of said bit pattern or is prevented from handing-off said individual transport structure to said second conveyor in accordance with a second bit value of said bit pattern; and, enabling indexed movement of said second conveyor in accordance with an amount of said pre-defined number of bits in said bit pattern, whereby handed-off individual transport structures are conveyed to said staging area and registered at locations corresponding to received first bit values of said pre-defined number of bits.
52. The program storage device readable by a machine as claimed in Claim 51, wherein said staging area includes a product load position where said acceptable products are simultaneously transferred thereto from a product unload location, said method steps further comprising the step of simultaneously pushing said individual transport structures to said product load position after registered in accordance with said bit pattern.
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- 2002-08-08 KR KR1020020046791A patent/KR20030014650A/en not_active Application Discontinuation
- 2002-08-09 EP EP02255597A patent/EP1288758B1/en not_active Expired - Lifetime
- 2002-08-09 CN CNB021437599A patent/CN1299176C/en not_active Expired - Fee Related
- 2002-08-09 DE DE60206576T patent/DE60206576T2/en not_active Expired - Lifetime
- 2002-08-09 BR BRPI0203165-5A patent/BRPI0203165B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DE60206576T2 (en) | 2006-07-13 |
| TW591355B (en) | 2004-06-11 |
| CA2396999C (en) | 2010-10-12 |
| JP2003202915A (en) | 2003-07-18 |
| US6836692B2 (en) | 2004-12-28 |
| CN1406844A (en) | 2003-04-02 |
| EP1288758A3 (en) | 2003-07-23 |
| BR0203165A (en) | 2003-05-27 |
| AR035093A1 (en) | 2004-04-14 |
| EP1288758B1 (en) | 2005-10-12 |
| CN1299176C (en) | 2007-02-07 |
| AU2002300417B2 (en) | 2008-06-05 |
| SG95700A1 (en) | 2003-04-23 |
| EP1288758A2 (en) | 2003-03-05 |
| DE60206576D1 (en) | 2005-11-17 |
| US20030031540A1 (en) | 2003-02-13 |
| BRPI0203165B1 (en) | 2015-08-04 |
| KR20030014650A (en) | 2003-02-19 |
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