CN101927300A - Combined expansion rod - Google Patents
Combined expansion rod Download PDFInfo
- Publication number
- CN101927300A CN101927300A CN 201010221073 CN201010221073A CN101927300A CN 101927300 A CN101927300 A CN 101927300A CN 201010221073 CN201010221073 CN 201010221073 CN 201010221073 A CN201010221073 A CN 201010221073A CN 101927300 A CN101927300 A CN 101927300A
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- Prior art keywords
- rod
- expansion
- bloated
- circular hole
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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Abstract
The invention discloses a combined expansion rod, which comprises a round rod body. An expansion sleeve with a conical front end is sleeved on the rod body. The key point of the technical scheme of the invention is that: the front end of the rod body is provided with a detachable and replaceable expansion head component; the expansion head component comprises an expansion head; and a detachable connection structure is arranged between the expansion head and the expansion sleeve. The invention aims to overcome the defects in the prior art and provide the combined expansion rod in which an expansion head ring and the expansion sleeve are replaced by detaching the expansion head component.
Description
[technical field]
The present invention relates to a kind of expander roll.
[background technology]
The expander roll of existing electric tube expander all is an integral type, when expanding the pipe of different-diameter model specification, need be along with the difference of caliber is changed the expansion set of different model and the head circle that expands, perhaps in use the bloated head circle of expander roll and easy damage of expansion set need to change, the head that expands encloses and expansion set just needs whole expander roll disassembled and change, unloading process is very complicated, and is very inconvenient.
[summary of the invention]
The present invention seeks to have overcome the deficiencies in the prior art, provide a kind of assembly that expands detachably to get off and change the combined expansion rod of expand head circle and expansion set.
The present invention is achieved by the following technical solutions:
A kind of combined expansion rod, comprise the circular body of rod 1, being set with front end on the described body of rod 1 is the expansion set 5 of taper, it is characterized in that: the described body of rod 1 front end is equipped with the assembly 2 that expands of energy dismounting and change, the described assembly 2 that expands comprises and expands 3, described expand 3 and described expansion set 5 between be provided with the structure 4 that removably connects.
Aforesaid combined expansion rod, it is characterized in that: the described structure 4 that removably connects comprises front end and described 3 a cylindrical front rod 401 that are connected and the cylindrical rear connecting rod 402 that is connected with the described body of rod 1 of expanding, described front rod 401 rear ends are provided with step axle 4011, described step axle 4011 rear ends are provided with two stage steps axle 4012, described step axle 4012 middle parts are provided with flattens protuberance 4013, described rear connecting rod 402 front portions are provided with axial center hole 4021, described rear connecting rod 402 is provided with the diameter that intersects vertically with the described axial centre circular hole 4021 radially circular hole 4022 greater than described axial centre circular hole 4021, the inwall that described axial centre circular hole 4021 is positioned at described radially circular hole 4022 the place aheads is provided with along the described protuberance 4013 of flattening of described axial centre circular hole 4021 axially extended confessions from its inside groove that inserts 4023, be set with kayser sleeve 403 on the described step axle 4011, described kayser sleeve 403 rear ends are provided with block tongue 4031, the front end of described rear connecting rod 402 is provided with described block tongue 4031 can snap in its interior bayonet socket 4025, be provided with between described kayser sleeve 403 and the described front rod 402 and hold out against spring 404, described kayser sleeve 403 barrels are provided with bar hole 4033, described step axle 4012 is provided with radially pin-and-hole 40121, be fitted with backing pin 405 in the described radially pin-and-hole 40121, described backing pin 405 stretches out from bar hole 4033.
Aforesaid expand 3 comprise front end be conical bloated sharp 301 and the bloated head circle 302, described bloated sharp 301 that is sleeved on described bloated sharp 301 be threaded with described front rod 401.
Aforesaid combined expansion rod is characterized in that: described expansion set 5 rear ends are provided with bar cover 6, are threaded between described expansion set 5 and the described rear connecting rod 402.
Compared with prior art, the present invention has following advantage:
The present invention is provided with dismountable syndeton between bloated head and expansion set, bloated head detachably gets off, and changing expansion set does not just need whole expander roll disassembled with bloated head circle, is convenient for changing.
[description of drawings]
Fig. 1 is a stereogram of the present invention;
Fig. 2 is an exploded view of the present invention;
Fig. 3 is an I part enlarged drawing of the present invention;
Fig. 4 is a cutaway view of the present invention;
Fig. 5 is a rear connecting rod stereogram of the present invention.
[specific embodiment]
A kind of combined expansion rod, comprise the circular body of rod 1, being set with front end on the described body of rod 1 is the expansion set 5 of taper, the described body of rod 1 front end is equipped with the assembly 2 that expands of energy dismounting and change, the described assembly 2 that expands comprises and expands 3, described expand 3 and described expansion set 5 between be provided with the structure 4 that removably connects.
The described structure 4 that removably connects comprises front end and described 3 a cylindrical front rod 401 that are connected and the cylindrical rear connecting rod 402 that is connected with the described body of rod 1 of expanding, described front rod 401 rear ends are provided with step axle 4011, described step axle 4011 rear ends are provided with two stage steps axle 4012, described step axle 4012 middle parts are provided with flattens protuberance 4013, described rear connecting rod 402 front portions are provided with axial center hole 4021, described rear connecting rod 402 is provided with the diameter that intersects vertically with the described axial centre circular hole 4021 radially circular hole 4022 greater than described axial centre circular hole 4021, the inwall that described axial centre circular hole 4021 is positioned at described radially circular hole 4022 the place aheads is provided with along the described protuberance 4013 of flattening of described axial centre circular hole 4021 axially extended confessions from its inside groove that inserts 4023, be set with kayser sleeve 403 on the described step axle 4011, described kayser sleeve 403 rear ends are provided with block tongue 4031, the front end of described rear connecting rod 402 is provided with described block tongue 4031 can snap in its interior bayonet socket 4025, be provided with between described kayser sleeve 403 and the described front rod 402 and hold out against spring 404, described kayser sleeve 403 barrels are provided with bar hole 4033, described step axle 4012 is provided with radially pin-and-hole 40121, be fitted with backing pin 405 in the described radially pin-and-hole 40121, described backing pin 405 stretches out from bar hole 4033, and connector 401 can not rotate with respect to kayser sleeve 403 before making.
Described expand 3 comprise front end be conical bloated sharp 301 and the bloated head circle 302, described bloated sharp 301 that is sleeved on described bloated sharp 301 be threaded with described front rod 401.
Described expansion set 5 rear ends are provided with bar cover 6, are threaded between described expansion set 5 and the described rear connecting rod 402.
Replacing process: with the described kayser sleeve 403 tension and compression described spring 404 that holds out against that contracts forward, simultaneously described block tongue 4031 separates with described bayonet socket 4025, and described front rod 401 is being with described kayser sleeve 403 just can described relatively rear connecting rod 402 to turn to the described protuberance 4013 of flattening can be along described inside groove 4023 extractions; Just can directly expansion set 5 be changed new expansion set to advancing slip taking off then, after preceding connector 401 taken off, the point 301 that will expand screws down, change new bloated head circle 302 and tighten the point 301 that expands again, described two stage steps axle 4012 inserts inside groove 4023, described flatten to revolve when protuberance 4013 enters in the described radially circular hole 4022 fully turn 90 degrees, because described radially circular hole 4022 diameters are greater than described axial centre circular hole 4021, the described protuberance 4013 of flattening is stuck, described block tongue 4031 snaps in the described bayonet socket 4025, and the described spring 404 that holds out against holds out against described kayser sleeve 403 rear connectors 402 can not be able to not be rotated with respect to described kayser sleeve 403.Existing expander roll is changed expansion set and the head circle that expands needs about 40 minutes, and structure-improved of the present invention only needed about 10 minutes, had saved the time greatly, increased operating efficiency.
Claims (4)
1. combined expansion rod, comprise the circular body of rod (1), be set with the expansion set that front end is a taper (5) on the described body of rod (1), it is characterized in that: the described body of rod (1) front end is equipped with the assembly (2) that expands of energy dismounting and change, the described assembly (2) that expands comprises the head (3) that expands, and is provided with the structure that removably connects (4) between described bloated head (3) and described expansion set (5).
2. combined expansion rod according to claim 1, it is characterized in that: the described structure that removably connects (4) comprises front end and described bloated head (3) the cylindrical front rod (401) that is connected and cylindrical rear connecting rod (402) that is connected with the described body of rod (1), described front rod (401) rear end is provided with step axle (4011), described step axle (4011) rear end is provided with two stage steps axle (4012), described step axle (4012) middle part is provided with flattens protuberance (4013), described rear connecting rod (402) front portion is provided with axial center hole (4021), described rear connecting rod (402) is provided with the diameter that intersects vertically with described axial centre circular hole (4021) the radially circular hole (4022) greater than described axial centre circular hole (4021), the inwall that described axial centre circular hole (4021) is positioned at described radially circular hole (4022) the place ahead is provided with along the described protuberance (4013) of flattening of the axially extended confession of described axial centre circular hole (4021) from its inside groove that inserts (4023), be set with kayser sleeve (403) on the described step axle (4011), described kayser sleeve (403) rear end is provided with block tongue (4031), the front end of described rear connecting rod (402) is provided with described block tongue (4031) can snap in its interior card (4025), be provided with between described kayser sleeve (403) and the described front rod (402) and hold out against spring (404), described kayser sleeve (403) barrel is provided with bar hole (4033), described step axle (4012) is provided with radially pin-and-hole (40121), be fitted with backing pin (405) in the described radially pin-and-hole (40121), described backing pin (405) stretches out from bar hole (4033).
3. combined expansion rod according to claim 2, it is characterized in that: described bloated head (3) comprises that front end is that conical bloated point (301) and the bloated head that is sleeved on the described bloated point (301) enclose (302), and described bloated point (301) is threaded with described front rod (401).
4. combined expansion rod according to claim 2 is characterized in that: described expansion set (5) rear end is provided with bar cover (6), is threaded between described expansion set (5) and the described rear connecting rod (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102210735A CN101927300B (en) | 2010-06-30 | 2010-06-30 | Combined expansion rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102210735A CN101927300B (en) | 2010-06-30 | 2010-06-30 | Combined expansion rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927300A true CN101927300A (en) | 2010-12-29 |
| CN101927300B CN101927300B (en) | 2012-01-25 |
Family
ID=43366882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102210735A Active CN101927300B (en) | 2010-06-30 | 2010-06-30 | Combined expansion rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101927300B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097496A1 (en) * | 2011-12-31 | 2013-07-04 | 中山市奥美森自动化设备有限公司 | Expander head structure for tube expansion and manufacturing process therefor |
| CN103418700A (en) * | 2013-09-04 | 2013-12-04 | 中山市奥美森工业有限公司 | Expansion head assembly |
| CN104384365A (en) * | 2014-11-18 | 2015-03-04 | 珠海格力电器股份有限公司 | Shrinkage-free pipe expanding equipment |
| CN105642770A (en) * | 2016-04-08 | 2016-06-08 | 奥美森智能装备股份有限公司 | Rapid mounting and dismounting structure as well as expansion tube and expansion head assembly comprising same |
| CN106141000A (en) * | 2015-04-14 | 2016-11-23 | 上海工业锅炉有限公司 | A kind of boiler pipe-expanding device of applicable small space |
| CN107262615A (en) * | 2017-07-28 | 2017-10-20 | 中山庆琏金属制品有限公司 | A kind of pipe expander |
| CN110102651A (en) * | 2019-03-20 | 2019-08-09 | 宁波精达成形装备股份有限公司 | A kind of electric tube expander |
| CN110394403A (en) * | 2019-07-19 | 2019-11-01 | 佛山以卓智能装备制造有限公司 | A kind of quick despatch replacement bar for expanding rod |
| CN112570576A (en) * | 2020-11-20 | 2021-03-30 | 中山市科力高自动化设备有限公司 | Expansion head mechanism and pipe expander |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934038A (en) * | 1989-09-15 | 1990-06-19 | Caterpillar Inc. | Method and apparatus for tube expansion |
| JPH10216862A (en) * | 1997-02-06 | 1998-08-18 | Hidaka Seiki Kk | Attaching pin of mandrel pin and expanding billet |
| CN1669696A (en) * | 2005-03-30 | 2005-09-21 | 曹宫衡 | Expanding arbor |
| CN101462142A (en) * | 2009-01-09 | 2009-06-24 | 海信科龙电器股份有限公司 | Tube expander for heat exchanger |
| CN201751040U (en) * | 2010-06-30 | 2011-02-23 | 东洋热交换器(中山)有限公司 | Fast convertible combined expanding rod |
-
2010
- 2010-06-30 CN CN2010102210735A patent/CN101927300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4934038A (en) * | 1989-09-15 | 1990-06-19 | Caterpillar Inc. | Method and apparatus for tube expansion |
| JPH10216862A (en) * | 1997-02-06 | 1998-08-18 | Hidaka Seiki Kk | Attaching pin of mandrel pin and expanding billet |
| CN1669696A (en) * | 2005-03-30 | 2005-09-21 | 曹宫衡 | Expanding arbor |
| CN101462142A (en) * | 2009-01-09 | 2009-06-24 | 海信科龙电器股份有限公司 | Tube expander for heat exchanger |
| CN201751040U (en) * | 2010-06-30 | 2011-02-23 | 东洋热交换器(中山)有限公司 | Fast convertible combined expanding rod |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097496A1 (en) * | 2011-12-31 | 2013-07-04 | 中山市奥美森自动化设备有限公司 | Expander head structure for tube expansion and manufacturing process therefor |
| CN103418700A (en) * | 2013-09-04 | 2013-12-04 | 中山市奥美森工业有限公司 | Expansion head assembly |
| CN103418700B (en) * | 2013-09-04 | 2015-12-16 | 奥美森智能装备股份有限公司 | Swollen head group part |
| CN104384365A (en) * | 2014-11-18 | 2015-03-04 | 珠海格力电器股份有限公司 | Shrinkage-free pipe expanding equipment |
| CN106141000A (en) * | 2015-04-14 | 2016-11-23 | 上海工业锅炉有限公司 | A kind of boiler pipe-expanding device of applicable small space |
| CN105642770A (en) * | 2016-04-08 | 2016-06-08 | 奥美森智能装备股份有限公司 | Rapid mounting and dismounting structure as well as expansion tube and expansion head assembly comprising same |
| CN107262615A (en) * | 2017-07-28 | 2017-10-20 | 中山庆琏金属制品有限公司 | A kind of pipe expander |
| CN107262615B (en) * | 2017-07-28 | 2024-04-05 | 中山庆琏金属制品有限公司 | Pipe expander |
| CN110102651A (en) * | 2019-03-20 | 2019-08-09 | 宁波精达成形装备股份有限公司 | A kind of electric tube expander |
| CN110394403A (en) * | 2019-07-19 | 2019-11-01 | 佛山以卓智能装备制造有限公司 | A kind of quick despatch replacement bar for expanding rod |
| CN112570576A (en) * | 2020-11-20 | 2021-03-30 | 中山市科力高自动化设备有限公司 | Expansion head mechanism and pipe expander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101927300B (en) | 2012-01-25 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |