JP2007076708A - Binding material melting and fixing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a large-sized band to be fed out without applying any useless heating and melting of the band when the band is fed out of a subsequent stage for bundles. <P>SOLUTION: The extremity end of a head cover 31 is abutted against a bundle T, thereby the head cover 31 is retracted against a biasing force of a spring 36 to cause a heating surface 30a of the heater head 30 to be abutted against the predetermined portions of large bands K1, K2, melt and fixed. After this melting and fixing, the extremity end of the head cover 31 protruded out of the heating surface 30a of the heater head 30 is abutted against the bundle T turned by a turntable with the biasing force of a spring 36 and then the bundle T is pushed out to a subsequent stage. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a binding material welding apparatus that is applied to, for example, a banknote bundle processing apparatus and heat-welds a portion to be cut of a large band that binds stacked bundles.

  A bundle of banknotes (hereinafter referred to as a bundle) is a stack of a predetermined number (for example, 10) of bundles of bills that are stacked with a small band and stacked by a large band binding device. It is a large band tied in a cross. The obi is stretched along the outer peripheral surface of the integrated bundle, and the ends thereof are overlapped and heated to be welded.

  On the other hand, the banknote bundle processing apparatus is a processing apparatus for cutting paper sheets by cutting the large band bound by the large band binding apparatus.

  At this time, the bundle bundled in the large band is conveyed to the large band removing and collecting unit, and a predetermined portion of the large band is cut and collected by the large band removing and collecting unit.

  By the way, in order to increase the binding force, there are bundles in which a large band is wound around the outer peripheral portion of the integrated bundle and is welded. As described above, when the large band is wound a plurality of times, when a predetermined portion of the large band is cut by the large band removing and collecting unit, a cut piece is generated and scattered.

For this reason, before the bundle is transported to the large band removing and collecting unit, a predetermined part (scheduled part) of the large band is heated in advance with a heater head, and the bands are welded to generate cut pieces at the time of cutting. (For example, refer to Patent Document 1).
JP-A-11-115921

  However, in the past, after heating and welding the portion to be cut of the large band with the heater head, the bundle was pressed using the same heater head and sent to the large band removal and recovery unit in the next process. The belt is heated and welded to the paper sheet. For this reason, there was a problem that the large band of bundles could not be removed and recovered satisfactorily in the next step, resulting in machine stoppage.

  The present invention has been made paying attention to the above circumstances, and the object of the present invention is to provide a binding material welding apparatus capable of feeding a binding material without heating and welding at the time of sending the bundle to the next process. It is to provide.

  In order to solve the above-mentioned problem, the invention described in claim 1 is to heat and weld a predetermined portion of the binding material of a paper sheet bundle formed by winding a binding material around a plurality of stacked paper sheets. Thus, a heater head having a heating surface, a holding portion for holding the heater head, a head cover attached to the holding portion and covering the outer peripheral side portion of the heater head, and a leading end portion of the head cover are formed on the heater head. A heater head unit having an urging means for urging elastically so as to protrude from the heating surface, and by advancing the heater head unit from an initial position, the tip of the head cover is brought into contact with the sheet bundle. As a result, the head cover is retracted against the urging force of the urging means, and the heating surface of the heater head is pressed against a predetermined part of the binding material and applied. A welding means that moves the heater head unit back to the initial position after the welding; and after the welding of the binding material, the sheet bundle is rotated so that a surface different from a predetermined portion of the binding material is formed on the heater head unit. A rotating means that opposes the sheet bundle, and the heater head unit is advanced from an initial position by the moving means with respect to the sheet bundle rotated by the rotating means, and the biasing force of the biasing member causes the heater head of the heater head to move forward. The front end of the head cover protruding from the heating surface is brought into contact with the paper sheet bundle to be pushed out to the next process.

  According to the present invention, it is possible to satisfactorily remove and collect the binding material in the next step, and the machine is not stopped.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows the overall appearance of a paper sheet processing apparatus 1 according to an embodiment of the present invention.

  The paper sheet processing apparatus 1 includes a bundle processing machine 2 that receives a bundle of uninspected paper sheets and takes out a bundle of inspected paper sheets. The bundle processing machine 2 is connected to an inspection machine 6 via a conveyor 4. Between the conveyor 4 and the inspection machine 6, a pre-processing machine 10 for releasing the bundle of bundles to be input to the inspection machine 6 is disposed.

  The bundle processor 2 is provided with a heater head unit that heat-presses a predetermined portion of the large band with a heater head in advance.

    For example, a bundle T that is put into and out of the bundle processor 2 is collected by a large band K as a binding material by accumulating 10 bundles t formed by sealing 100 sheets of paper sheets P that are overlapped by a small band k. It is formed by binding ten characters (see FIG. 2).

  A bundle T of sheets fed through the bundle processor 2 is conveyed to the preprocessor 10 via the conveyor 4. The pre-processing machine 10 cuts and removes the large band K from the bundle T of conveyed paper sheets and cuts and removes the small band k from each of the ten loose bundles t. The bundle T is supplied to the inspection machine 6 in a state where the bundle T is separated and accumulated on each sheet P.

    The inspecting machine 6 takes out and inspects a plurality of paper sheets P separated by the preprocessing machine 10 one by one, and as a result of this inspection, 100 sheets of paper sheets determined to be reusable. Is re-sealed with a small band k to form a bundle, and 10 bundles are bundled together with a large band K to form a bundle. Then, the bundle of paper sheets bound in this way by the inspection machine 6 is conveyed in the reverse direction via the conveyor 4 and taken out via the bundle processor 2.

    FIG. 2 shows a schematic configuration of the preprocessor 10 described above.

    The pretreatment machine 10 heat-welds the take-in part A for taking in the bundle T conveyed from the bundle treatment machine 2 via the conveyor 4 and the large band K of the bundle T taken through this take-in part A. A large band welding part (described in detail later) A1 as a binding material welding part that prevents a cut piece from being generated at the time of cutting the large band in the next step, a large band processing part B that cuts and removes the large band K, Direction change unit C that changes the direction in a state where ten bundles t (hereinafter referred to as accumulation bundles S) from which the large band K is cut are sandwiched in the accumulation direction, and the direction is changed via the direction change unit C. A cut-out part D cut out one by one from the collected bundle S, a glue peeling part E for peeling the glue of the small band k of the bundle t cut out by the cut-out part D, and a small band k from which the glue has been peeled off are removed. The strip processing section F and the grip t cut by the cutting section D are peeled off and the stripping section E and the small band And a conveying unit G for transporting the inspection machine 6 via the management unit F.

    The bundle T conveyed from the bundle processor 2 via the conveyor 4 is taken into the pre-processor 10 via the take-in portion A, and the cutting planned portion of the large band K is heated and welded as described in detail later. After that, the large band K is excised by the large band processing unit B. The stacked bundle S in a state where the large band K is cut off in the large band processing unit B and the binding is released is changed in direction through the direction changing unit C, and then toward the cutout unit D along the stacking direction. Supplied.

    The cutout part D is provided with a lift conveyor extending upward toward the glue peeling part E, and the integrated bundle S supplied from the direction changing part C is pressed against the lift conveyor with a predetermined pressure. Then, one bundle is cut out from the bundle t located at the end of the stacked bundle S by the lift conveyor, and each time the accumulated bundle S is moved toward the lift conveyor by the thickness of 1 bundle t. In this way, the handle t is cut out one by one.

    The small bundle t cut out one by one by the cutting section D is conveyed toward the inspection machine 6 via the conveyance section G. In the middle of that, the glue between the small band k and the paper sheet P is peeled off at the glue peeling portion E. Then, the small band k of the small bundle t that has been subjected to the glue removal process is cut out by the small band processing unit F, and a plurality of sheets P in a stacked state are supplied to the inspection machine 6.

  FIG. 3 is a perspective view showing a large band welding portion A1 as a binding material welding device for heat-welding a predetermined portion (scheduled cutting portion) of the large band K of the bundle T in advance.

  In the figure, reference numeral 12 denotes a base. A drive pulley 13 and an idle pulley 14 are arranged on the base 12 with a predetermined interval, and a drive belt 16 is stretched between the drive pulley 13 and the idle pulley 14. Yes.

  The base 12 is provided with a drive motor 17 as a drive source for rotating the drive pulley 13 forward and backward. A heater head unit 21 is connected to the drive belt 16 via a slide rail 19 and a connecting member 20, and the heater head unit 21 is moved in the front-rear direction via the slide rail 19 when the drive belt 16 travels in the forward and reverse directions. It has been moved. Further, a detected piece 22 is attached to the drive belt 16.

  Further, on the base 12, a detection sensor 24 at an initial position, a detection sensor 25 at a horizontal band adhesion position, a detection sensor 26 at a vertical band adhesion position, with a predetermined interval in the moving direction of the heater head unit 21, and A conveyance position detection sensor 27 is provided.

  FIG. 4 is a perspective view showing the heater head unit 21.

  The heater head unit 21 includes a heater holder 29, and a heater head 30 is attached to the front portion of the heater holder 29. A head cover 31 that covers the outer peripheral side portion of the heater head 30 is slidably attached to the heater holder 29. The front surface of the head cover 31 is opened, and the heating surface 30a of the heater head 30 is exposed to the outside.

  Screws 33 project from the upper surface portion and both side surface portions of the heater holder 29, and long holes 34 are formed in the upper surface portion and both side surface portions of the head cover 31 along the sliding direction. Screws 33 of the heater holder 29 are slidably inserted into the long holes 34. In addition, projecting pieces 31 a are respectively provided on the rear surface side of the upper surface portion and both side surface portions of the head cover 31, and a spring 36 as a biasing member is hung between the projecting pieces 31 a and the screw 33 of the heater holder 29. Has been passed.

  As shown in FIG. 6, the head cover 31 is attracted by the tension force of the spring 36 so that its front end protrudes forward of the heater head 30, and resists the tension force of the spring 36 as shown in FIG. By being pushed backward, the heater head 30 moves backward to relatively advance the heating surface of the heater head 30.

  Next, the operation of the large band welding apparatus configured as described above will be described with reference to FIG.

    As shown in FIG. 7A, the bundle T supplied to the bundle processor 2 is placed on the turntable 37, and the insertion piece 39 is inserted inside the vertical band K1 of the bundle T. . From this state, the drive motor 17 is driven in the forward direction to drive the drive belt 16. As the drive belt 16 travels, the heater head unit 21 is advanced from the initial position as shown in FIG. When the heater head unit 21 reaches the bonding position of the vertical band K1 by this advance, the detected piece 22 is detected by the detection sensor 26 at the vertical band bonding position and stopped. At this time, the heater head 30 of the heater head unit 21 is pressed against a predetermined part (scheduled cutting part) of the vertical band K1 of the bundle T to weld the vertical band K1. That is, when the front end portion of the head cover 31 comes into contact with the bundle T as the heater head unit 21 moves forward, the back side of the bundle T comes into contact with a back wall 37a as a support wall of the turntable 37 as shown in FIG. . As a result, the head cover 31 receives the reaction force and moves backward against the tensile force of the spring 36. By this retreat, the heating surface 30a of the heater head 30 is relatively advanced and pressed against a predetermined part (part to be cut) of the vertical band K1 to heat-weld the vertical band K1.

  When the welding of the vertical band K1 is finished, the heater head unit 21 is retracted and returned to the initial position, and the insertion piece 39 is extracted from the inside of the vertical band K1. After that, as shown in FIG. 7B, the turntable 37 is rotated 90 degrees as indicated by the arrow, and the insertion piece 39 is inserted inside the lateral band K2 of the bundle T. From this state, the heater head unit 21 is advanced again from the initial position, and the horizontal band K2 is welded in the same manner as the vertical band K1 described above.

  When the welding of the horizontal band K2 is finished, the heater head unit 21 is retracted to return to the initial position, and the insertion piece 39 is pulled out from the inner side of the horizontal band K2 to turn the turntable as shown in FIG. 37 is rotated 90 degrees in the direction of the arrow, and the opening 37 b of the back wall 37 a faces the heater head unit 21. From this state, the heater head unit 21 is moved forward, passes through the opening 37b of the back wall 37a, and moves to the pushing position while pressing the lateral band K2 of the bundle T, whereby the bundle T is removed from the turntable 37 in the next process. Send it to the strip removal collection unit.

  At this time, as shown in FIG. 6, the front end portion of the head cover 31 protrudes to the front portion of the heater head 30 by the tensile force of the spring 36, and the vertical band K <b> 1 of the bundle is pressed and pushed out by the front end portion of the head cover 31. .

  Therefore, the heating surface 30a of the heater head 30 does not come into contact with the vertical band K1 of the bundle, and the welding can be prevented.

  As described above, according to this embodiment, unnecessary welding of the strip can be prevented, the strip can be surely cut and removed, and machine stoppage in a subsequent process can be reduced.

  In addition, since the head cover 31 has a shape that completely covers the outer peripheral side surface of the heating unit, it can also be used as a separately provided safety cover, and the cost can be reduced.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above. Furthermore, you may combine the component covering different embodiment suitably.

1 is an external perspective view showing a paper sheet processing apparatus according to an embodiment of the present invention. The block diagram which shows the pre-processing machine of the paper sheet processing apparatus of FIG. The perspective view which shows the belt welding apparatus of the pretreatment machine of FIG. The perspective view which shows the heater head unit of the belt welding apparatus of FIG. FIG. 5 is a side view showing a state in which the heater cover of the heater head unit of FIG. 4 has been retracted against the biasing force of a spring. The side view which shows the state which the heater cover of the heater head unit of FIG. 4 advanced by the urging | biasing force of the spring. The figure which shows the state which welds a large band with the heater head unit of FIG. 4, and sends out the bundle | flux to which this large band was welded to the following process.

Explanation of symbols

  P ... paper sheets, K1 ... longitudinal band (binding material), K2 ... horizontal band (binding material), T ... paper sheet bundle, 16 ... driving belt, 17 ... driving source, 21 ... heater head unit, 29 ... heater holder ( Holding part), 30a ... heating surface, 30 ... heater head, 31 ... head cover, 36 ... spring (biasing means), 37 ... turntable (rotating means), 37a ... back wall (support wall), 37b ... opening.

Claims (5)

A method of heating and welding a predetermined portion of the binding material of a paper sheet bundle formed by winding and binding a binding material around a plurality of stacked paper sheets,
A heater head having a heating surface, a holding portion that holds the heater head, a head cover that is attached to the holding portion and covers an outer peripheral side portion of the heater head, and a tip portion of the head cover is a heating surface of the heater head A heater head unit having a biasing means that biases elastically so as to protrude from
The heater head unit is advanced from the initial position, and the leading end of the head cover is brought into contact with the sheet bundle, so that the head cover is retracted against the urging force of the urging means, thereby the heater head. A heating means for pressing and heating the heating surface to a predetermined part of the binding material, and after the welding, a moving means for returning the heater head unit to the initial position;
Rotating means for rotating the paper sheet bundle after welding the binding material so as to oppose a surface different from the predetermined part of the binding material to the heater head unit,
The front end portion of the head cover that protrudes from the heating surface of the heater head by the urging force of the urging member by advancing the heater head unit from the initial position by the moving unit with respect to the sheet bundle rotated by the rotating unit. A binding material welding apparatus, wherein the sheet bundle is pushed out to the next step by contacting the sheet bundle. 2. The binding material welding apparatus according to claim 1, wherein the head cover of the heater head is slidably attached in a direction projecting and retracting with respect to the heating surface of the heater head. The moving means has a drive belt to which the heater head unit is attached, and the drive belt travels in the forward and reverse directions to move the heater head unit to the initial position and the binding material heating position, or the initial position and the sheet bundle. The binding material welding apparatus according to claim 1, wherein the binding material welding apparatus is reciprocally moved between the extrusion positions. The rotating means has a turntable on which the paper sheet bundle is placed, and the turntable has a support wall that supports a surface opposite to a predetermined portion of the binding material of the paper sheet bundle. The binding material welding apparatus according to claim 1, further comprising an opening for allowing the heater head unit to pass therethrough. When a head cover protruding from the heating surface of the heater head is brought into contact with a predetermined portion of the binding material, the paper sheet bundle is supported by the support wall of the turntable and the paper sheet bundle is pushed out to the next process. 5. The binding material welding apparatus according to claim 4, wherein the turntable is rotated so that the opening of the support wall faces the heater head unit. 6.

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