JP4976773B2 - Paper sheet sealing device - Google Patents

Description

  The present invention relates to a paper sheet sealing apparatus for sealing, for example, a stacked paper sheet in which a predetermined number of paper sheets such as securities are stacked.

  In this kind of paper sheet sealing device, a belt is supplied on the receiver, and the stacked paper sheets are supplied onto the belt, and the supplied stacked paper sheets are pushed down by a sweeper as a pressing means. Therefore, there are some which are moved to the sealing position and sealed.

  That is, the stacked paper sheets moved to the sealing position are bent by supporting both sides on the lower surface side with the support plate, and the belt is wound from this state and the both ends are overlapped on the sweeper. . And the both ends of this overlap | superposed strip | belt are adhere | attached and sealed by heating with a heater.

The sealed integrated paper sheet (hereinafter referred to as a sealing handle) is ejected by a pusher as an extruding means after the sweeper is pulled out from the band (see, for example, Patent Document 1).
JP 2001-261209 A (page 5, FIG. 7)

  However, conventionally, when both ends of the band are heat-bonded on the sweeper, the band adhesive sometimes melts onto the sweeper and the band adheres to the sweeper.

  For this reason, when the sweeper is pulled out from the band, there is a problem that the band moves together with the sweeper and a part of the paper sheet is pulled out from the sealing handle, so that a good sealing state cannot be obtained.

  The present invention has been made by paying attention to the above circumstances, and the purpose thereof is to bond both ends of the band on the pressing means without being bonded to the pressing means even if they are heated and bonded. It is to provide a paper sheet sealing device which can be peeled off.

In order to solve the above-mentioned problem, the invention described in claim 1 includes a pressing unit that presses a substantially central portion on one side of the stacking direction of the stacking sheets in the stacking direction, and the stacking sheets that are pressed by the pressing unit. Supporting means for curving the stacked paper sheets by supporting both sides on the other side of the stacking direction, and winding the belt around the curved stacked paper sheets so that both ends of the belt are placed on the pressing means. A sealing means for sealing by overlapping and heat-bonding; a peeling means for peeling the pressing means from both ends of the band after sealing the stacked paper sheets by the sealing means; and And pulling means for pulling out the pressing means from the band after the pressing means has been peeled off by the peeling means.

  According to the present invention, it is possible to prevent the paper sheet from being pulled out when the pressing means is pulled out, and to prevent the accumulated state from being collapsed during the extrusion of the sealed stacked paper sheet.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a schematic configuration diagram showing a paper sheet processing apparatus incorporating a paper sheet sealing apparatus according to the present invention.
The paper sheet processing apparatus 1 is configured to be able to process a predetermined number of sheets, for example, 1000 sheets as a unit, and 1000 sheets of sheets are automatically and sequentially loaded in a stacked state on one end side thereof. The input device 2 to be connected is connected.

  The paper sheet processing apparatus 1 includes a take-out unit 4 that takes out input paper sheets one by one, and a conveyance path 7 that conveys the taken-out paper sheets. The paper sheet processing apparatus 1 also detects a print quality of the paper sheet by detecting information such as a pattern, a dimension, a transport pitch, and the like from the transported paper sheet, and the paper sheet according to the determination result. A switching unit 10 for switching the paper transport direction, a stacking unit 12 for stacking the switched paper sheets, and a sealing unit 14 as sealing means for sealing the stacked paper sheets one by one.

  A supply device 11 is provided in the vicinity of the take-out unit 4, and this supply device 11 receives paper sheets fed from the input device 2 and supplies them to the take-out unit 4. The take-out unit 4 is provided with a suction rotation roller 4a, and the suction rotation roller 4a takes out sheets one by one at a predetermined pitch.

  The determination unit 8 includes an overlap detection unit that detects an overlap of a sheet being conveyed, a reading device that reads a pattern attached to the sheet, a counting device that counts the number of sheets, and the like. Are arranged in order along the conveyance path 7.

  The paper sheets whose print quality is determined based on the counting, pattern reading, and length detection in the determination unit 8 are accumulated in the accumulation unit 12 according to the determination result. The stacking unit 12 includes at least two stacking devices 12a and 12b.

  The switching unit 10 has two sorting gates 10a and 10b arranged in the transport path 7, and switches the transport path of the paper sheets by switching the gates 10a and 10b, so that the two stacking devices 12a of the stacking unit 12 are switched. , 12b, for example, 100 sheets are guided each time.

  In addition, the sealing unit 14 includes two gripping sealing devices 14a and 14b and a bundle sealing unit 15 that are respectively disposed below the stacking devices 12a and 12b.

FIG. 2 is a front view showing the stacking devices 12a and 12b and the gripping and sealing devices 14a and 14b.
The stacking devices 12a and 12b include an impeller 16 that guides the conveyed paper sheet P introduced between the blades 16a. The leading edge of the paper sheet P guided by the impeller 16 is scratched. By coming into contact with the catch plate 17, it is scraped and dropped from between the blades 16 a. A shutter 18 is provided at a lower portion of the impeller 16 so as to be freely opened and closed, and the paper sheets P scraped from between the blades 16a are dropped onto the shutter 18 and accumulated by a predetermined number (for example, 100 sheets). ing.

  The gripping and sealing devices 14 a and 14 b include a receiver 20 that is rotatable in the direction of the arrow shown in the figure, and the receiver 20 is provided at a lower portion of the shutter 18 described above. A band 21 cut to a predetermined length by a supply mechanism (not shown) is supplied onto the receiver 20 along a direction orthogonal to the longitudinal direction of the paper sheet P. An adhesive that melts and generates adhesive force when heated is applied to one side of the belt 21. Further, a sweeper 24 as a pressing means is provided on the upper side of the receiver 20 so as to be rotatable in the direction of the arrow shown.

  When a predetermined number of paper sheets P are stacked on the shutter 18, the shutter 18 is opened and the stacked paper sheets 26 are dropped onto the receiver 20 as shown in FIG. Then, the sweeper 24 is rotated downward from this state to press the upper surface portion of the stacked paper sheets 26. Accordingly, the stacked paper sheets 26 and the belt 21 are moved to the sealing position 27 while being sandwiched between the sweeper 24 and the receiver 20.

FIG. 4 is a perspective view showing the receiver 20 and the sweeper 24 rotated to the sealing position 27.
As shown in an enlarged view in FIG. 5, a pair of support plates 29 as support means are disposed oppositely at the sealing position 27 with a predetermined interval. The support plate 29 has an upright wall 30, and the upper surface portion of the upright wall 30 supports both sides of the lower surface of the stacked paper sheet 26 as shown in FIG. 6. The stacked paper sheets 26 are bent by being pushed downward by the sweeper 24 as will be described later, with both sides of the lower surface supported by the upper surface of the upstanding wall 30 of the support plate 29. ing.

  The receiver 20 has a substrate portion 20a, and receiving pieces 20b and 20c are attached to both sides of the substrate portion 20a with a predetermined interval. The receiving pieces 20b and 20c receive the stacked paper sheets 26 so that the stacked paper sheets 26 placed on the substrate section 20a of the receiver 20 do not fall from the substrate section 20a.

FIG. 7 is a configuration diagram showing the above-described sweeper 24.
The sweeper 24 has a silicon rubber layer 24a on the upper surface portion thereof, and a release sheet layer 24b made of Teflon (registered trademark) as a release material is provided on the upper surface portion of the silicon rubber layer 24a.

  The sweeper 24 is also used as a cradle for the heat bonding means 38 described later, and both ends of the band 21 are heat bonded by the heat bonding means 38 on the release sheet layer 24b.

  Further, as shown in FIG. 2, a pulling mechanism 39 as a pulling unit is connected to the sweeper 24, and the sweeper 24 is pulled out of the band 21 by the pulling mechanism 39 after both ends of the band 21 are heated and bonded. It has become.

FIG. 8 is a configuration diagram showing a band winding mechanism 34 as a sealing means of the small bundle sealing devices 14a and 14b.
The band winding mechanism 34 is provided with a pair of bending members 35, 36 and a second bending means 37 on the lower side of the receiver 20, and a heat bonding means 38 is provided obliquely above the receiver 20. .

  When the band 21 and the accumulated paper sheet 26 are sandwiched between the receiver 20 and the sweeper 24 and transferred to the sealing position 27, both sides of the lower surface of the accumulated paper sheet 26 are brought into contact with the upper end of the support plate 29. The central portion of the upper surface of the stacked paper sheets 26 is pushed downward so that the stacked paper sheets 26 are deformed into a curved shape.

Next, the sealing operation of the stacked paper sheets 26 curved as described above will be described.
When the stacked paper sheets 26 are bent, the pair of bending members 35 and 36 are lifted obliquely upward as shown in FIG. 9A by a drive mechanism (not shown) to push up both ends of the belt 21. . Next, as shown in FIG. 9B, after the upper surface portion of the stacked paper sheets 26 is pressed by the clamper 40, as shown in FIG. Both ends of the paper are bent along the side surface of the stacked paper sheet 26 and raised. After that, after the second bending means 37 is lifted by a driving mechanism (not shown), as shown in FIG. 10A, it moves toward the stacked paper sheets 26 side. As a result, the one end 21 a of the band 21 is bent from the middle of the band 21 toward the upper surface of the stacked paper sheet 26 and is superimposed on the release sheet layer 24 b on the upper surface of the sweeper 24.

  In this way, after bending the one end portion 21a of the band 21, as shown in FIG. 10 (b), the heat bonding means 38 is moved toward the stacked paper sheet 26 side by a drive mechanism (not shown). The other end 21b of the sheet 21 is bent toward the upper surface of the stacked paper sheet 26, and is heated by being overlapped on the one end 21a of the band 21 that has already been bent. As a result, both ends of the belt 21 are bonded to each other, and the stacked paper sheets 26 are sealed to form a paper sheet bundle.

  After the stacked paper sheets 26 are sealed in this way, the heat bonding means 38, the pair of bending members 35 and 36, and the second bending means 37 are returned to the initial positions. Thereafter, as shown in FIG. 11, after the sweeper 24 is pulled out from the band 21, the end face 44a in the longitudinal direction of the paper sheet bundle 44 is pushed out by the pusher 42 as the pushing means, and the paper sheet bundle 44 is shown in FIG. To be discharged.

  FIG. 13 shows a state in which the end surface 44 a of the paper sheet handle 44 is pressed by the pusher 42 when the sweeper 24 is pulled out. At this time, the pusher 42 is inclined so as to be parallel to the end surface 44 a of the paper sheet handle 44.

  The lower end of the pusher 42 is connected to the drive shaft 43, and is rotated as indicated by an arrow in FIG. 14 by pushing the drive shaft 43 to push out the paper sheet handle 44. A bent portion 42 a is formed on the upper side of the pusher 42 so as to abut against the end surface 44 a in parallel when the paper sheet handle 44 is pushed out.

  In this manner, the bent portion 42 a is formed in the pusher 42, and the bent portion 42 a is abutted in parallel with the end surface 44 a of the paper sheet handle 44 to push out the paper sheet handle 44. It is possible to extrude with the end surfaces 44a aligned. Therefore, the end face 44a of the paper sheet bundle 44 does not become uneven as shown in FIG.

  As shown in FIG. 15, the sweeper 24 is moved along the pushing direction of the paper sheet bundle 44 so as to be pushed out in parallel with the end surface 44a of the paper sheet bundle 44. good. This also allows the paper sheet handle 44 to be pushed out with the end face 44a of the paper sheet handle 44 in place.

  As described above, according to this embodiment, the release sheet layer 24b is provided on the upper surface portion of the sweeper 24, and both end portions 21a and 21b of the band 21 are overlapped and heat-bonded on the release sheet layer 24b. Therefore, it is possible to prevent the end portions of the band 21 from adhering to the sweeper 24. Therefore, even if the sweeper 24 is pulled out from the band 21, the band 21 is not pulled out. Therefore, there is an advantage that a part of the paper sheet P is not pulled out from the paper sheet handle 44 as shown in FIG.

  FIG. 16 shows a second embodiment of the present invention.

  In the first embodiment described above, the release sheet layer 24b is provided on the upper surface of the sweeper 24 so as to prevent the adhesion between the sweeper 24 and both ends of the band 22. However, the present invention is limited to this. Alternatively, it may be as shown in FIG.

  That is, as shown in FIG. 16A, a peeling mechanism 45 as a peeling means is connected to the sweeper 24, and both end portions 21a and 21b of the belt 21 are heat-bonded on the sweeper 24, and then FIG. ), The sweeper 45 pushes the sweeper 24 downward slightly to peel the sweeper 24 from both ends 21a and 21b of the band 21. After this peeling, as shown in FIG. 16C, the sweeper 24 is pulled out in the direction indicated by the arrow.

  Also in the second embodiment, similarly to the first embodiment described above, the paper sheet can be prevented from being pulled out when the sweeper 24 is pulled out.

  The sweeper 24 can be peeled off from the band 21 by pulling it slightly parallel to the both ends 21a and 21b of the band 21 and stopping it without pushing down the sweeper 24 from the both ends 21a and 21b of the band 21. It is.

  The present invention is not limited to the above-described embodiments as they are, 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.

BRIEF DESCRIPTION OF THE DRAWINGS The front view which shows schematically the paper sheet processing apparatus which is the 1st Embodiment of this invention. The front view which shows the stacking | stacking apparatus and sealing apparatus which are provided in the paper sheet processing apparatus of FIG. The figure which shows the state which the laminated paper sheets integrated | stacked on the stacking apparatus of FIG. 2 were moved to the sealing position. The perspective view which shows the receiver, sweeper, and supporting member which comprise the sealing apparatus of FIG. The perspective view which expands and shows the receiver and support member of FIG. The figure which shows the accumulated paper sheets supported by the supporting member of FIG. The front view which shows the sweeper of FIG. The block diagram which shows the band winding mechanism provided in the sealing position of FIG. The figure which shows the band winding operation | movement by the band winding mechanism of FIG. The figure which shows the band winding operation | movement by the band winding mechanism of FIG. FIG. 9 is a diagram illustrating a feeding operation of a paper sheet bundle sealed by the band winding mechanism of FIG. 8. The perspective view which shows the paper sheet bundle sent out by the sending operation | movement of FIG. The figure which shows the state in which the end surface of the paper sheet bundle contact | abutted to the pusher of FIG. FIG. 14 is a diagram illustrating a state in which a paper sheet bundle is pushed out by the pusher of FIG. 13. The figure which shows the state by which a paper sheet bundle is pushed out by the parallel movement of a pusher. The figure which shows the peeling operation | movement from the band of the pusher which is the 2nd Embodiment of this invention. The figure which shows the state by which some paper sheets were pulled out from the paper sheet bundle at the time of extraction of a sweeper. The figure which shows the state in which the end surface of the paper sheet bundle became irregular by pusher's extrusion.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 21 ... Band, 26 ... Accumulated paper sheets, 24b ... Release sheet layer (release material), 24 ... Sweeper (pressing means), 29 ... Support plate (support means), 34 ... Belt winding mechanism (sealing means) 39... Pulling mechanism (pulling means) 42... Pusher (extrusion means) 42 a. Bending part 45.

Claims (3)

A pressing means for pressing a substantially central portion on one side of the stacking direction of the stacked paper sheets in the stacking direction;
Support means for curving the stacked paper sheets by supporting both side portions on the other side in the stacking direction of the stacked paper sheets pressed by the pressing means;
Sealing means for wrapping a band around the curved accumulated paper sheets and sealing both ends of the band by overlapping and heating and bonding on the pressing means;
After sealing the stacked paper sheets by the sealing means, a peeling means for peeling the pressing means from both ends of the band;
A pulling means for pulling out the pressing means from the band after the pressing means is peeled off by the peeling means;
A paper sheet sealing apparatus comprising: The Peel unit, the paper sheet wrapping apparatus the pressing means according to claim 1, wherein the peeling is moved in a direction perpendicular to both end portions of the band. The Peel means, according to claim 1 sheet wrapping apparatus wherein the peeling is moved parallel to the pressing means relative to both end portions of the band.

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