US 3821917 A
In a coin-wrapping machine, a movable structure holds several rolls of selectable wrapping papers of different kinds respectively corresponding to different kinds of coins to be wrapped and respective cutters for cutting corresponding papers and operates to feed each selected paper to a coin-wrapping mechanism by way of a paper tensioning mechanism, the length of paper cut for each coin stack being adjustably varied to correspond to the kind of coin to be wrapped by varying the distance between each cutter and the tensioning mechanism, and the speed at which each selected paper is supplied is adjusted to correspond to the cut length of the paper.
Claims available in
Description (OCR text may contain errors)
United States Patent [191 Hatanaka 4 July 2, 1974  PAPER SUPPLYING DEVICE IN 1,632,344 6/1927 Modlin 53/212 x NR A 2,855,739 10/1958 Schoenewolfm, 53/212 COIN PPING MACHINE 3,298,265 1/1967 Millican et al 83/650 X Yoshihiro Hatanaka, Himeji, Japan Glory Kogyo Kabushiki Kaisha, Himeji-shi, Hyogo-ken, Japan Filed: June 23, 1972 Appl. No.: 265,696
Foreign Application Priority Data June 24, 1971 Japan 46-45950 US. Cl 83/272, 53/212, 83/203, 83/650 Int. Cl B26d 7/06, B26d 7/14 Field of Search 53/212; 83/650, 649, 203, 83/240, 243, 272, 175
References Cited UNITED STATES PATENTS 3/1915 Batdorf 53/212 3/1923 7/1924 Mackrodt Wiesner 83/650 X Primary Examiner-Roy Lake Assistant Examiner-James F. Coan Attorney, Agent, or Firml-lolman & Stern 5 7] ABSTRACT -way of a paper tensioning mechanism, the length of paper cut for each coin stack being adjustably varied to correspond to the kind of coin to be wrapped by varying'the distance between each cutter and the tensioning mechanism, and the speed at which each selected paper is supplied is adjusted to correspond to the cut length of the paper.
9 Claims, 10 Drawing Figures PATENTEDJUL 21914 3821 '91? SHEEI 2 BF 6 PATENTED L 2 w 3821.91? SHEET 3 [IF 6 PATENTEDJUL 2 m4 sum 5 OF 6 PAPER SUPPLYING DEVICE IN COIN-WRAPPING MACHINE BACKGROUND OF THE INVENTION This invention relates generally to coin handling and processing devices and apparatuses. More particularly, the invention relates to a new and advanced device for supplying wrapping paper in a coin wrapping machine, the wrapping paper being in the form of a long ribbon which is cut into a piece of suitable length to be wrapped around each stack of a specific number, for example, 50, of coins.
In coin wrapping machines of this character known heretofore, the wrapping paper used is selected in accordance with each kind of coin to be wrapped since coins of different kinds (denominations) differ in diameter and thickness. However, if the wrapping paper is cut to the same length in the case where the differences between the diameters of the coins are large, the length may be insufficient for adequate and satisfactory wrapping of the coins of large diameter, or it may be unnecessarily excessive and therefore uneconomical. Furthermore, the step in the wrapping process of folding in the lateral edges of the paper over the ends of the coin stack in such a case tends to become difficult.
SUMMARY OF THE INVENTION It is an object of this invention to overcome the above described difficulty by providing a wrapping paper supplying device whereby the length of the wrapping paper in a coil wrapping machine can be varied in accordance with the kind of coin to be wrapped thereby to wrap coins with great difference in diameter in a siatisfactory and economical manner.
According to this invention, briefly summarized, there is provided, in a coin-wrapping machine, a device for supplying wrapping paper comprising: a plurality of holding structures for holding respective rolls of selectable wrapping paper for respectively different kinds of coins to be wrapped; cutters respectively for the holding structures to cut papers unrolled therefrom into pieces of selected lengths corresponding to the pertinent kinds of coins; paper tensioning means for applying tension to each paper to cause the same to be pressed against the corresponding cutter and thereby to be cut; and shifting means for positioning each selected paper at a specific position for feeding the same to the tensioning means and for positioning the corresponding cutter at a position to determine the cut length of that paper in accordance with the respective kind of coin to be wrapped.
The nature, utility, and further features of this invention will be apparent from the following detailed description with respect to preferred embodiments thereof when read in conjunction with the accompanying drawings throughout which like parts are designated by like reference numerals.
BRIEF DESCRIPTION OF THE DRAWINGS In the drawings:
FIG. 1 is an exploded perspective view showing the essential parts of an example of coin feeding, sorting, stacking, and wrapping mechanisms of typical design with which the wrapping paper supplying device of the invention is to operate cooperatively;
FIG. 2 is a plan view showing the essential parts of one example of the wrapping paper supplying device according to this invention;
FIG. 3 is an elevation of the device shown in FIG. 1 as viewed upward from below;
FIG. 4 is a plan view showing the essential parts of a second example of the wrapping paper supplying device of the invention;
FIG. 5 is an elevation of the device shown in FIG. 3 as viewed upward from below therein;
FIG. 6 is an elevation showing another example of the driving mechanism of a driving roll;
FIG. 7 is a perspective view, with certain parts indicated by phantom lines, showing a third example of a wrapping paper supplying device according to the invention in a coin wrapping machine;
FIG. 8 is a relatively enlarged top plan view showing a part of the device shown in FIG. 7 together with the wrapping mechanism of the machine;
FIG. 9 is a perspective view showing an example of wrapping paper supplying means; and
FIG. 10 is a perspective view showing an example of a wrapping paper pulling and tensioning mechanism.
DETAILED DESCRIPTION As conducive to a full understanding of the wrapping paper supplying device of this invention, an example of certain parts and mechanisms associated therewith in an automatic coin-wrapping apparatus will first be described with reference to FIG. 1.
Coins C on a turntable 210 are successively delivered centrifugally onto a coin passage 211 and are moved therealong by an endless belt 212. On their way to a guide 213, those of the coins of a smaller diameter than the predetermined coin diameter are automatically removed through an opening, not shown, formed suitably in the coin passage 211. A counter, now shown, is also provided on the coin passage 211 to release only a prescribed number of coins into a coin stacker 214 through the guide 213. The coin stacker 214 shown is constructed in accordance with a previous invention I have made.
Since a gate mechanism or shutter 215 at the bottom of the coin stacker 214 is now assumed to be closed, the coins are successively stacked horizontally in the substantially cylindrical space within the coin stacker 214. When the desired number of coins have been thus dully stacked, the motion of the endless belt 212 is automatically stopped, while the shutter 215 is opened by cam means or the like now shown in the drawing. The coins are then supported on a movable guide rod 216 which has been elevated to the level of the bottom of the shutter 2 15. As the guide rod 216 is then lowered into coin wrapping means 217, the coins are held between a plurality of rolls 218. The leading end of a continuous strip of wrapping paper 219 is now caught between the stack of coins and one of the rolls. By the rotation of these rolls the wrapping paper is coiled on the periphery of the stack of coins, and is severed off the continuous strip by a cutter (not shown) owing to its own tension thus exerted.
A pair of movable hooks 221, positioned at the top and the bottom of the stack of coins, are simulateneously operated to tightly fold the side edges of the wrapping paper on the ends of the coins. Since the guide rod 216 is retracted to the position illustrated in FIG. 1 at the instant when the coins are caught among 3 i the rolls 218, the wrapped stack of coins is dropped downward when released by these rolls. For uninterrupted coin wrapping operation, the shutter 215 may be closed as soon as the coins are delivered to the coin wrapping means 217 by the guide rod 216.
Referring now to FIGS. 2 and 3 illustrating a first example of the paper supplying device according to this invention, a vertical shaft or spindle 2 is rotatably supported on a part of the machine frame 1 and centrally supports a wrapping paper feeding turntable 3 of disk shape adapted to rotate horizontally about the axis of the spindle 2 and to operate as a turret for feeding wrapping paper. Thisturntable 3 is provided on its upper surface with a plurality (six in this example) of paper roll holders of cylindrical shape fixed vertically at equal spacing intervals on a common circle coaxially on the turntable. These paper roll holders 5 function to hold respective rolls of wrapping paper 4 slidably fitted thereon.
To one side of each paper roll holder 5 and spaced apart therefrom, there is provided a driving roll 6 and a pressure roll 7 both with vertical axes of rotation. Each driving roll 6 is supported on a rotating vertical shaft or spindle 8, the lower end of which extends downward through the turret turntable 3 and fixedly supports a driven claw wheel 9 of a claw clutch mechanism. Each claw wheel 9 can be selectably meshed by a driving claw wheel 10.
The claw wheel 10 is slidably fitted on and coupled to a rotating shaft 11 by the engagement of a pin and a long groove formed in the axial direction thereof, whereby the claw wheel 10 can slide in the axial direction but is locked only in rotational direction relative to the shaft 11, which is vertically and rotatably supported by a part of the machine frame 1. An annular groove 12 is formed around the periphery of the claw wheel 10 and is engaged by a lever 13 actuated by an electromagnet. The lower end of the shaft 11 fixedly supports a belt pulley 15 around which is passed an endless belt 14, which is driven by an electric motor 16 through a suitable transmission mechanism.
On one side of each driving roll 6 and approximately midway between adjacent paper roll holders 5, there is provided a cutter blade 17 fixedly supported on the turret turntable 3 and having a convex Vee-shape cutting edge.
The turret turntable 3 is rotatable by an electric motor 18 through a rotation transmitting roll 19 contacting the peripheral edge of the turntable.
A switch actuating cam structure 20 is fixed to the lower part of the aforementioned spindle of the turret turntable 3 and is provided with a plurality of cam sur-. faces, which are respectively contacted and followed by actuating followers 22 of selection opertion switches 21 provided in accordance with respective kinds of coins to be wrapped, that is, with respective kinds of wrapping papers 4. The cam surfaces of the cam structure 20 are provided with respective actuating parts which are mutually staggered in the rotational direction as shown in FIG. 2 and, upon being engaged by respective actuating followers 22, operate tomove the followers to open the respective switches 21.
These switches 21 are mutually connected in parallel and connected to the above mentioned motor 18 for rotating the turret turntable 3 and to an electromagnet (not shown). A positioning projecting member 25 actuatably by this electromagnet is e'ngageable with each of a plurality of positioning holes 24 formed in the turret turntable 3 at specific intervals according to the kinds of coins to be wrapped. Thus, the turret turntable 3 can be selectively stopped and held in appropriate rotational position for supplying any of the six kinds of wrapping papers for respective kinds of coins.
On one side of the turret turntable 3, there is provided a wrapping mechanism 26 of an organization as described hereinbefore with reference to FIG. 1. The principle parts of this mechanism are wrapping rolls 27, which operate to rotate each stack of coins and to wrap the leading free end part of the wrapping paper 4 around the coin stack. The strip of the wrapping paper 4 is thereby tensioned and pressed against the aforementioned cutter blade, whereby a piece of wrapping paper of predetermined length for one coin stack is cut off from the remainder of the paper strip 4 and wrapped around the coin stack. The lateral edges of the wrapped paper are then folded in over the ends of the coin stack to complete the coin packaging operation.
By the above described arrangement of the mechanisms, the length to which each wrapping paper 4 is cut is substantially equal to the distance from the corresponding cutter blade 17 to the position where the wrapping rolls 27 intercept and wind in the wrapping paper. Accordingly, by appropriately adjusting the radial positions of the cutter blades 17 relative to the periphery of the turret turntable in accordance with the respective kinds of coins to be wrapped, the cut lengths of the different wrapping papers 4 can be made to suit the diameters of their respective coins.
Since the wrapping mechanism 26 operates with a repeated cycle of a constant duration, the rate of feed of the wrapping paper 4 is constant. Consequently, in the case where the wrapping paper is to be cut to a long length, the rate of feed is insufficient, and the leading end part of the wrapping paper cannot reach the position where it is to be intercepted and wound in by the wrapping rolls 27 at time of the succeeding cycle of wrapping operation. Accordingly, the rate of feeding of the wrapping paper 4 for a stack of coins of relatively larger diameter is made higher by using a driving roll 6 of larger diameter in proportion to the diameter of the coins. By this expedient, the above described difficulty can be overcome.
The wrapping paper supplying device of the above described example of this invention operates as follows. A selection knob (not shown) is manipulated in accordance with the kind of coins to be wrapped, whereupon the coins are successively counted and fed through the coin passage 211 (FIG. 1) to the stacker 214 as described hereinbefore. During this movement of the coins through the coin passage 211, the coins are sorted with respect to the diameter and thickness of the kind of coin to be wrapped.
A rotary changeover switch (not shown), which is connected to all of the aforedescribed selection operation switches 21 is operated at the same time, whereby the operational circuit of the aforementioned electromagnet is closed in accordance with the selected kind of coin to be wrapped. The motor 18 is thereby started and, at the same time, the electromagnet is activated, whereupon the projecting member 25 of the mechanism for moving and locking the turret turntable 3 disengages from the former positioning hole 24. The turntable is then in its unlocked state.
The rotational power of the motor 18 is transmitted through the roll 19 to rotate the turntable 3. Consequently, the spindle 2 and the cam 20 rotate to operate the selection operation switches 21. When the actuating part 23 of the cam surface of the cam 20 corresponding to the kind of the coin to be wrapped arrives at the position of the corresponding selection operation switch 21 which has been selected, and whose operational circuit of the motor and electromagnet has been closed, this switch 21 is opened. The motor 18 is thereby stopped, and, at the same time, the electromagnet is deenergized. The projecting member 25 of the mechanism for moving and locking the turret turntable 3 engages with the appropriate position hole 24 to lock the turntable 3 against rotation.
Then, when the coins are successively counted, supplied, and stacked, and the coin stack is supplied into wrapping position between the wrapping rolls 27, an electromagnet (not shown) is activated substantially simultaneously and in correlated manner with this coin supplying operation. Accordingly, the lever 13 is attracted and actuated, and the claw wheel having the annular groove 12 engaged by this lever 13 is raised and meshed with the claw wheel 9.
The driving roll 6 for feeding out the wrapping paper 4 for the selected kind of coin is thereupon rotated by this engagement of the clutch mechanism 9, 10 since the claw wheel 10 is being rotated by the motor 16 through the power transmission mechanism including the endless belt 14. Consequently, the wrapping paper 4 clamped between the driving roll 6 thus rotated and the pressure roll 7 is supplied to the cylindrical surface of the coin stack.
Then, at the instant when the wrapping paper 4 is wound around the coin stack pressed and rotated by the wrapping rolls 27, this paper is abruptly pulled and tensioned and is thereby cut against the cutter blade 17 to the predetermined length. The claw wheel 10 then disengages from the claw wheel 9, whereby the driving roll 6 stops. Thereafter, the surplus lateral edges of the wrapping paper 4 thus wound around the coin stack are folded in over the ends of the stack to complete the coin packaging operation.
Thus, in the case where coins of small diameter are to be wrapped, the distance between the corresponding cutter blade 17 and position at which the wrapping paper 4 is wound in toward the wrapping rolls 27 is relatively short, and the paper 4 is cut to a short length. Conversely, in the case where coins of large diameter are to be wrapped, the above mentioned distance is relatively long, and the wrapping paper is cut to a long length. Accordingly, the wrapping paper is cut to a suitable length in accordance with the diameter of the coins to be wrapped.
Furthermore, since the diameter of a driving roll 6 for a wrapping paper 4 to be used in wrapping a stack of coins of a large diameter is large, the feeding speed of that wrapping paper is high, whereby the leading end of the wrapping paper for carrying out the succeeding wrapping operation in one cycle of the wrapping mechanism 26 is fed fully to the position of the wrapping rolls 27 to be intercepted thereby. On the other hand, since the diameter of a driving roll 6 for a wrapping paper 4 to be used in wrapping a stack of coins of small diameter is small, the feeding speed of that wrapping paper is low, and the leading end of the wrapping paper for carrying out the succeeding wrapping operation in one cycle of the wrapping mechanism 26 is fed appropriately to the position of the wrapping rolls.
The invention will now be described with respect to a second example of the invention as illustrated in FIGS. 4 and 5, in which parts that are the same as or equivalent to those in the first example shown in FIGS. 2 and 3 are designated by the same reference numerals, and repeated description of these parts will be omitted.
In this second example, a turret turntable 3 is supported on a vertical spindle 2 as in the first example, but the spindle 2 is rotatably supported on a base carriage 28 which is supported on a guide structure 29 in a manner permitting movement of the carriage 28 and partssupported thereby in the left-and-right direction as viewed in FIG. 5 so that these parts can be moved toward or away from the wrapping mechanism 26.
On one edge surface of the base carriage 28 parallel to the guide structure 29, there is formed a gear rack 30, with which is meshed a pinion 32 fixed to a vertical shaft 31. The shaft 31 is rotatably supported in a bearing hole in the machine frame 1 with a bushing interposed therebetween and is driven by an electric motor (not shown) through a positive clutch mechanism 35.
The base carriage 28 is provided in the lower surface thereof with vertical positioning holes 36 formed in a row parallel to the direction of movement of the carriage and adapted to be selectively engaged by an engagement member 37, which can be actuated upward and downward by an electromagnet (not shown) to enter and engage with and retract and disengage from a positioning hole 36.
Positioning of the carriage 28 is thereby effected by the insertion of the engagement member 37 into a selected positioning hole 36. Thus, in accordance with the kind (diameter) of the coins of a stack to be wrapped, the carriage 28 is positioned to select the appropriate length of the distance between the corresponding cutter blade 17 and the part of the wrapping mechanism 26 where the leading end of the wrapping paper is to be wound in, that is, the appropriate length of the piece of paper for wrapping the coin stack.
By the above described organization of this second example, all of the cutter blades 17 are disposed at equal distance from the axis of rotation of the turntable 3, and the rates of feeding of the wrapping papers 4 are adjusted according to the diameters of the coins to be wrapped.
It will be apparent that, as a modification, the wrap ping mechanism 26 can be made movable toward and away from the turret turntable 3 thereby to adjustably vary the length of each wrapping paper.
In another modification of this invention as illustrated in FIG. 6, the diameters of all driving rolls 6 are the same, and the adjustment of the rate of feeding of each wrapping paper 4 is accomplished by a mechanism comprising a gear 33 fixed to the lower end of the rotating shaft 8 of the corresponding driving roll 6, a gear 38 meshed with the gear 33, and a vertical rotating shaft 39 rotatably supported at its upper end by the turntable 3 and fixedly supporting at its middle part the gear 33 and at its lower part the afroementioned claw wheel 9 constituting, together with its mating claw wheel 10, a clutch mechanism. By adjusting the gear ratios of the two gears 33 and 38, the rate of feeding of the wrapping paper 4 can be adjusted to suit the diameter of the coin stack to be wrapped.
As a modification, it is also possible to adjust the rotational speed of the driving roll 6 by controlling the speed of the motor 16 by an electrical control method such as phase control. Furthermore, it is also possible to adjust the rate of feeding of each wrapping paper 4 by controlling the time of meshing action of the claw wheels 9 and 10 of the clutch mechanism.
While, in the above described examples of this invention, a driving roll 6 is provided on the turret turntable for each of the wrapping papers 4, the invention is not limited to this arrangement, other arrangments also being possible. For example, a single driving roll 6 which is electrically controllable can be provided in a position between the turret turntable and the wrapping mechanism 26 and operated to feed any of the wrapping papers 4.
Furthermore, while the turret turntable 3 loaded with wrapping papers and functioning to supply the same is adapted to rotate in a horizontal plane, i.e., about a vertical axis, it is also possible to use a turntable or equivalent structure which is vertical or with inclined orientation in conjunction with the wrapping mechanism 26.
Moreover, while the turret turntable has been described and illustrated as a rotating disk 3, it can assume other forms such as a structure adapted to undergo reciprocating movements, a structure resembling a ferris wheel, or a structure comprising a movable endless belt mechanism and a plurality of cages or platforms adapted support respective rolls of wrapping paper and supported on the belt mechanism to move 7 therewith. One example of the last mentioned structure is incorporated in a third example of this invention as described below and as illustrated in FIGS. 7 through 10.
Referring first to FIG. 7 showing the third example of a wrapping paper supplying device according to this invention, the principal parts of the device are supported on base frames 42 and 43 fixedly mounted on a base plate 41.
Spaced apart from the base frames 42 and 43, there are fixedly supported on the inner side two support plates 44 and 45, which rotatably support at their upper parts a horizontal shaft 46 and at their lower parts another horizontal shaft (not shown) parallel to and disposed vertically below the shaft 46. A sprocket 47 is fixed to the shaft 46 at its midpoint, while another sprocket (not shown) is similarly fixed to the middle part of the other shaft below the shaft 46. An endless sprocket chain 48 is passed around these two sprockets. A plurality of wrapping paper holding plates 49 are fixed to the outer side of the chain 48 at specific spacing intervals, each holding plate 49 being perpendicularly attached to the chain 48 at the point of its attachment.
Each wrapping paper holding plate 49 has a perpendicularly bent, vertical flange 49a supporting a guide plate 50 fixed to the outer side thereof. Rollers 51 and 51a are rotatably supported on the guide plate 50 and are adapted to roll along and be guided by a bent, vertically extending flange 42a of the above mentioned base frame 42. Similarly, and as shown in FIG. 8, a guide plate 52 is fixed to a perpendicularly bent, vertical flange 49b also on the back side of each wrapping paper holding plate 49, and rollers 53 and 53a rotatably supported on the two ends of the guide plate 52 are guided by support plates 44 and 45. Thus guided through these rollers, each paper holding plate 49 is driven by the chain 48 to undergo vertical sliding travel while maintaining its substantially horizontal attitude.
On each holding plate 49, a wrapping paper supplying mechanism 54 is mounted and fixed by screws 55. Each wrapping paper supplying mechanism 54 has a leading platform 56 and a vertical holding member 57 rotatably supported thereon and adapted to hold to a roll of wrapping paper 58, which is held in its width direction (top and bottom) by the loading platform 56 and a holding arm 59 supported by and extending radially from the holding member 57. An auxiliary bridge plate 60 is fixed in spaced-apart position parallelly and above the loading platform 56 by fixed posts 61.
To one side of the paper roll 58, there are provided paper supplying rollers 62 and 63 rotatably supported at their ends with vertical axes between the loading platform 56 and bridge plate 60 as is clearly shown in FIGS. 8 and 9. Toyone side of the supply roller 63, a cutter 64 is rotatably supported. In addition, a guide plate 65 for guiding the wrapping paper 58 is fixed to the loading platform 56.
The supply roller 62 is rotatably supported at its upper and lower ends by the bridge plate 60 and the loading platform 56. On the other hand, the supply roller 63 is rotatably supported at its upper and lower ends by a swinging plate 66 pivoted on a vertical shaft 67 and urged toward the supply roller 62 by a tension spring 68. The cutter 64 is fixed to one side of the swinging plate 66. The shaft 67 is rotatably supported by the loading platform 56 and the bridge plate 60 and has an upper end which extends upward through and beyond the bridge plate 60 and is fixed to a lever 69. Between this lever 69 and the bridge plate 60, one end of the above mentioned spring 68 is anchored.
Each of the wrapping paper supplying mechanisms 54 of the above described organization is loaded with a roll of wrapping paper 58 corresponding to one kind of coins in a stack to be wrapped.
For driving the chain 48, a pulley 70 fixed to one end of the shaft 46 is driven by way of an endless belt by a motor 72 mounted on a motor mounting bracket fixed to the base frame 42.
A locking mechanism mounting plate 73 is fixed to the base frame 42 at a part thereof intermediate between its top and bottom parts. This mounting plate supports a solenoid 74 fixed thereto, and a connecting rod 76 is connected to its actuator and also to a collar 78 fixed to a lock rod 77. The lock rod 77 is slidably fitted in a mounting bracket 79 and is urged outward by a compression spring 80. The connecting rod 76 is connected to a lever 81, which is rotatably supported at its intermediate part by a shaft 82 fixed to the mounting plate 73.
The other end of the lever 81 is coupled by a pin to a lever 83, an intermediate part of which is rotatably supported by a shaft 85 on the mounting plate 73. On the front end part of the mounting plate 73, there is fixed a bracket 86 rotatably supporting a fixed rod 87, to which a collar 88 is fixed. The collar 88 is being pressed against a pin 90 fixed to one end of above mentioned lever 83 by a compression spring 89.
Furthermore, a switch 91 is fixed to the mounting plate 73 and actuated by actuating members (not shown) fixed to the connecting rod 76.
A through hole 92 is provided in the base frame 42, and a lock opening 93 is opened in the vertical flange 49a of the holding plate 49. The lock rod 77 advances toward and engages with the lock opening 93.
Above the opening 93 there is formed a rectangular opening 94. A group of switches 95 of a number corresponding to the number of different kinds of wrapping papers is mounted on the base frame 42 and is operated by an actuating lever projecting out through the rectangular opening 94. An engagement member 96 is mounted on the vertical flange 49a of the holding plate 49 for the purpose of operating a corresponding switch 95a. The solenoid 74 is deenergized by the operation of this switch 95a.
To one side of each wrapping paper supplying mechanism 54 disposed in a wrapping paper supplying position as indicated by full line in FIG. 7, there is provided a vertical driving roller 97, as shown in FIG. 9. The driving roller 97 is supported by and between ends of horizontal arms 98 and 98a which are supported by and swing about a vertical shaft 99 at their ends. A part of the arm 98 intermediate between its ends is connected by a pin 100 to one end of a link 101 connected at its other end by a pin 102 to one end of a lever 103. The lever 103 is pivoted at an intermediate part thereof on a pivot pin 104 fixed to a part of the machine frame (not shown) and is connected by a pin 107 to the outer end of an actuator 106 of a solenoid 105. A tension spring 108 is stretched between the above mentioned pin 102 and a part of the machine frame (not shown).
Pulleys 109 and 110 are fixed at the same height level to vertical shaft 99 and roller shaft 97a of the roller 97, respectively. Rotational power from a motor for coin wrapping (not shown) is transmitted to the shaft 99, through the pulleys and an endless belt 111 passed therearound, and to the roller 97. As a result, the supply rollers 62 and 63 are also rotated, whereby the wrapping paper 58 is fed toward the wrapping mechamsm.
As indicated in FIG. 8, the wrapping paper thus fed is guided by a paper guide plate 112 of curved shape in plan view to a paper tensioning mechanism 113 disposed at the downstream end of the guide plate 112.
This tensioning mechanism 113, as shown in FIG. 10, has two vertical, spaced-apart rollers 114 and 115 rotatably supported by a part of the machine frame (not shown) and supporting a plurality of endless belts 116 passed parallelly therearound. These belts 116 are tensioned by an idler tensioning roller 117 pressing thereagainst at one span thereof. For cooperative operation with the belts 116, there are provided two vertical, spaced-apart rollers 119 and 120 rotatably supported by and between horizontal arms 118 and 118a. Between the two rollers 119 and 120, there is provided a vertical paper guide plate 121 as shown in FIG. 8, which functions to guide the wrapping paper 58 along and against the surfaces of the belts 116.
The roller 119 has a shaft 122 rotatably supported by a part of the machine frame (not shown), and the contact state or spacing of the roller 120 relative to the belts 116 is adjusted by means of an adjusting screw 123 and a spring (not shown). A gear 125 is fixed to the lower end of the shaft 124 of the roller 115 and is coupled by way of a gear train comprising gears 125, 126, 127, 128, 129, 130, and 131, the shaft 132 of the gear 131, a pulley 133 fixed to the shaft 132, an endless belt 134 to a pulley 135 fixed to the aforementioned shaft 99. The shaft 99 is coupled to a motor (not shown) for coin wrapping.
The wrapping paper 58 passing through the tension ing mechanism 113 is fed to a coin wrapping or packaging mechanism 136, which has three wrapping rolls 137, 138, and 139. The roll 137 is rotatably supported on an arm 140 and is an idler follower roller swinging about a vertical shaft 141. The roll 138 is rotatably supported on an arm 142 and is swingable about a vertical shaft 143, being a driving roll receiving power from the gear 127 through a gear train (not shown). The roll 139 is also rotatably supported on an arm (not shown) which is swingable about the shaft 144 of the gear 127 and is a driving roll driven by the gear 127 through a gear train (not shown).
The wrapping paper 58 fed from the tensioning mechanism 113 is guided by parallelly spaced apart paper guides 145 and 146 fixedly supported by a part of the machine frame (not shown) and paper guides 147, 148, 149, and 150 adapted to move in correspondence with the wrapping rolls 137, 138, and 139.
The third example of the wrapping paper supplying device of the invention as described above operates in the following manner. A coin selection knob (not shown) as mentioned before is manipulated to select the kind of coins to be wrapped, whereupon a switch (not shown) corresponding to the kind of coins thus selected is activated to activate in turn the solenoid 105 shown in FIGS. 8 and 9, and the actuator 106 thereof moves toward the left as viewed therein. Consequently, the roller 97 swings about the shaft 99 and retracts from the roller 63.
At the same time, a switch (not shown) operates to energize the solenoid 74, and the lock rod 77 retracts from the lock opening 93. The fixed rod 87 also retracts to release the lower part of the roller 51. The above mentioned switch also starts the motor 72 for the sprocket chain 48a, which thereupon travels in the direction of the arrow A. Consequently, the paper supplying mechanisms 54 are also caused to travel in sequence, and when an engagement member 96 corresponding to the selected wrapping paper pushes the corresponding switch 95a, the solenoid 74 is deenergized, and the lock rod 77 and fixed rod 87 move to positions above the vertical flange 49a of the holding plate 49.
The motor 72 rotates further, whereby the paper supply mechanisms 54 move further, and the lock rod 77 enters the lock opening 93 of the vertical flange 49a. The switch 91 is activated by the action of insertion of the lock rod 77 into the lock opening 93, whereupon the motor 72 stops, and the paper supplying mechanisms 54 are stopped in their positions at that time. On one hand, the roller 51 moves on top also with respect to the fixed rod 87, whereby the holding plate 49 is held in a horizontal state and, therefore, cannot tilt under its own weight toward the front side direction relative to the chain 48.
Next, when a starting button (not shown) for wrapping operation is pushed, the solenoid 105 is deenergized, and the roller 97 is pushed against the roller 63. Then coin sorting and counting is carried out, and a predetermined number of coins are stacked in the coin stacking mechanism. The coin stack thus formed is guided by a guide rod 216 to the coin wrapping mechanism 136, whereupon a cam of a timing cam group (not shown) actuates a switch to start a motor (not shown) for coin wrapping.
Consequently, the pulley 135 is rotated, and this rotation is transmitted through the belt 134, pulley 133, gear train 131, 130, 129, 128, and 127, and another gear train (not shown) to rotate the wrapping rolls 138 and 139. Furthermore, the wrapping rolls 137, 138, and 139 are further moved to approach the coin stack C by a link mechanism (not shown) driven by the above mentioned cam group.
On one hand, the rotation of the shaft 99 of the pulley 135 is transmitted to the driving roller 97 and to the supply rollers 62 and 63, and the wrapping paper 58 is guided from the extreme end of the cutter 64 to the paper guide plates 65 and 112 and thus enters the paper tensioning mechanism 113.'At this instant, the solenoid 105 is activated by a cam (not shown), and the roller 97 separates from the roller 63. Since the roller 115 of the tensioning mechanism 113 is being driven by power transmitted through the gears 127, 126, and 125, the belts 116 are moving. Accordingly, the paper 58 is moved between the roller 119 and the belts 116 and sent toward the coin wrapping mechanism 136.
During this operation, the paper 58 in its span between the cutter 64 and the paper tensioning mechanism 113 is pulled by the tensioning force of the tensioning mechanism 113, and the trailing part of this span of the paper is thereby pressed against the cutting edge of the cutter 64 and is thereby cut. Accordingly, a piece of wrapping paper of a predetermined length corresponding to the kind of coins to be wrapped is obtained.
The leading part of this piece of paper then enters the space between the wrapping roll 137 and the coin stack, whereupon the wrapping rolls 137, 138, and 139 clamp the coin stack therebetween, and the wrapping paper is wrapped around the cylindrical surface of the coin stack by the rotation of the rolls 138 and 139. The upper and lower side edges of the paper thus wound are then folded in, and the coin stack thus wrapped is discharged as described hereinbefore.
With the completion of this wrapping operation of one coin stack, the solenoid 105 is deenergized, and the roller 97 is pressed against the supply roller 63 in preparation for the succeeding paper supplying operation.
Since the length of the cut piece of wrapping paper differs with the kind of coins to be wrapped, the cutters 64 on the paper supplying mechanisms 54 are installed at respectively different positions depending on their corresponding kinds of coins.'For example, reference numeral 64a designates a cutter for a different kind of coin which is mounted on another paper supplying mechanism 54. For this reason, the distance between the paper tensioning mechanism 113 and the cutter 64 differs with the kind of coin, and the length of the paper cut thereby also differs.
The leading edge of a piece of wrapping paper which has been cut by a cutter 64 is about to be fed for the succeeding wrapping process step is at the position of the cutter 64. Similarly, with respect to a piece of paper cut by the cutter 64a, the leading edge thereof is at the position of the cutter 64a. On one hand, the instants of starting of feeding of the wrapping paper are the same,
and the time periods of the wrapping operations are the same.
Therefore, it is necessary to cause the paper to travel to and through the tensioning mechanism 113 at a speed which is higher by a difference corresponding to the differences of the paper lengths produced by the cutters 64 and 64a and to cause the instants at which the leading edges of the papers after passing through the tensioning mechanisms enter into the region between the wrapping roll 137 and the coin state C to be substantially equal irrespective of the kind of coin.
For this purpose, means are positioned to adjustably vary the speed of the motor (not shown) for wrapping operation in accordance with the kind of coin, whereby the speeds of the roller 97 and, consequently, the supply rollers 62 and 63 are also varied. That is, the longer the cut length of the wrapping paper, the higher is the speed at which it is fed. Accordingly, the speed of the belts 116 is also varied, and the speed of the wrapping rolls 138 and 139 is also varied. The reason for varying the speed of the wrapping rolls 138 and 139 is that the times'for wrapping the papers around the peripheral surfaces of the coin stacks are substantially the same irrespective of the kind of coin.
It is to be understood that, while paper tensioning mechanisms 113 are not included in the aforedescribed first and second examples of the device according to the invention, the function thereof is accomplished by the combination of the coin stack C and one of the wrapping rolls in each coin-wrapping mechanism. Furthermore, each paper tensioning mechanism may comprise a single pair of rollers.
It is to be noted that, while the positions of the cutters differ in accordance with the kind of coin in the first and third examples, the cutters in the second example are all mounted at the same positions irrespective of the kind of coin, and feeding means for determining the cutter position are provided.
1. In a coin-wrapping machine wherein wrapping paper in the form of a continuous ribbon wound in a roll is unwound and cut into pieces each of predetermined length to be wrapped around a coin stack by wrapping rolls, a device for supplying wrapping paper comprising: a plurality of holding structures for holding respective rolls of selectable wrapping paper corresponding to respectively different kinds of coins to be wrapped; a plurality of cutters provided in correspondence to said holding structures and operating to cut the papers unwound therefrom into pieces of selected lengths corresponding to the pertinent kinds of coins; paper tensioning means for applying tension to each paper thus unwound thereby to cause the same to be pressed against the corresponding cutter and thereby to be cut; and shifting means for positioning each selected paper at a specific position for feeding the same to said tensioning means and for positioning the cutter corresponding to each selected paper at a position determined by the cut length of said paper determined by the distance between said tensioning means and the cutter.
2. A device for supplying wrapping paper as claimed in claim 1 further comprising wrapping paper supplying means for feeding the selected paper to said paper tensioning means, said paper supplying means being positioned at the specific position as a wrapping paper supplying position.
3. A device for supplying wrapping paper as claimed in claim 2 in which said wrapping paper supplying means operates at a wrapping paper supplying speed which varies in accordance with the cut length of a selected wrapping paper device disposed in said wrapping paper supplying position, whereby the wrapping paper supplying operation, as a correlated operation with the coin-wrapping mechanism, is carried out positively and accurately.
4. A device for supplying wrapping paper as claimed in claim 2 in which said wrapping paper supplying means comprises roller pair means provided in correspondence with said plurality of holding structures and disposed selectively in said wrapping paper supplying position together with a selected wrapping paper piece and rotary driving power means for advancing toward and retracting from one of said roller pair means and for driving said roller pair means.
5. A device for supplying wrapping paper as claimed in claim 4 in which said rotary driving power means comprises at least one driving roller.
6. A device for supplying wrapping paper as claimed in claim 5 in which the wrapping paper supplying speed can be varied in accordance with the cut length of the wrapping paper piece by varying the rotational speed of said at least one driving roller.
7. A device for supplying wrapping paper as claimed in claim 1 in which said shifting means comprises a shifting member driven by an electric motor controlled by a motor driving circuit including switch means actuated by selection means for selecting the kind of wrapping paper.
8. A device for supplying wrapping paper as claimed in claim 7 in which said motor driving circuit includes switch means for detecting'the disposition of a selected wrapping paper piece in said wrapping paper supplying position and thereby stopping the rotation of the motor.
9. A device for supplying wrapping paper as claimed in claim 8 in which said shifting member supports a plurality of combinations in spaced-apart disposition, each of said combinations comprising a holding structure corresponding to a respective kind of coin, a cutter,
and a pair of wrapping paper supplying rollers.