JPH05208757A - Paper sheet turning-over handling device - Google Patents

Abstract

PURPOSE:To reduce a space required for both a work to turn over a paper sheet and a work to handle the paper sheet and also to improve the efficiency of the two works. CONSTITUTION:A paper sheet turning-over handling device comprises a front stage part stocker 11, a rear stage part stocker 12, a conveyor device 13 arranged between the two stockers, and a pushing-out device 15 by which paper sheets laminated at the front stage part stocker 11 are fed, sequentially to the conveyor device 13 per a block unit consisting of a plurality of paper sheets. The conveyor device 13 supports the block fed from the pushing-out device 15 and is provided with conveyors 21A and 21B bent at a boundary being an approximately central part therebetween, clamp rollers 35A and 35B for clamping the block between conveyors 21A and 21B, and a revolving drive motor for turning over the whole of the conveyors and the clamp roller.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet reversing and separating device. Here, the paper sheets that can be handled by the paper sheet reversing device include paper, plastic sheets, metal sheets, and the like.

[0002]

2. Description of the Related Art In a printing line, after sheets of which one side has been printed are placed in a plate state, they are reversed to be stacked in a bar state and the remaining one side is printed. The stacking of sheets is to place a sheet bundle divided into small units for each intermediate plate arranged in multiple stages on a pallet via spacers. Further, the bar stacking is to stack a stack of paper continuously on a pallet without an intermediate plate.

Further, at the time of the above-mentioned reverse transposition, in order to prevent the stacked sheets from being fed to the printing machine one sheet at a time and not to be fed two sheets, a paper separation is also performed, and this paper stack has been separated. Are to be stacked on a stick.

[0004]

However, in the prior art, the reversing work and the paper separating work are performed at different positions and different devices. For this reason, a large space is required to dispose both devices, and it is necessary for an operator to carry the paper between the both devices or to provide a special carrying device, which results in poor work efficiency.

An object of the present invention is to reduce the space required for both the work of reversing paper sheets and the work of separating paper and to improve the work efficiency of both.

[0006]

SUMMARY OF THE INVENTION According to the present invention, there is provided a front stage stocker for stacking and supporting vertically moving sheets and a rear stocker for vertically stacking and supporting vertically reversed sheets. A sheet reversing device including a reversing device provided between the stockers and a sheet feeding device that sequentially feeds the sheets stacked on the preceding stage stocker in block units each including a plurality of sheets to the reversing device. In the device, the reversing device supports a block fed from the feeding device and bends at a substantially central portion as a boundary, a clamping means that clamps the block on the supporting means, and a supporting means. And a reversing drive means for reversing the entire means and the clamping means.

[0007]

The paper sheet block is bent on the support means of the reversing device with the substantially central portion as a boundary and subjected to the paper separation.

Then, the block of the paper sheets subjected to the paper separation is reversed by the reversal drive means while being clamped on the support means by the clamp means.
Therefore, the reversing work and the paper separating work are performed in a single reversing device.

[0009]

1 is a schematic view showing a printing line, FIG. 2 is a side view showing a sheet processing apparatus, FIG. 3 is a plan view of FIG. 2, FIG. 4 is a perspective view showing an essential part of the sheet processing apparatus, and FIG. FIG. 6 is a schematic diagram showing an example of a paper separating procedure, and FIG. 6 is a schematic diagram showing an example of a paper reversing procedure.

Prior to describing the embodiment of the present invention, general work procedures (A) to (L) of a printing line will be described (see FIG. 1).

(A) Unpacking The side surface of the packing paper 2 in which the paper 1 is packed is cut open, and the bundle of paper is taken out from the cut packing paper 2.

(B) Paper Separation The paper bundle is unwound by bending the paper bundle and blowing air between the paper sheets. This paper separation is for preventing the feeding of two sheets of paper to be fed to the printing machine in the subsequent process and for feeding the sheets one by one.

(C) Paper Alignment A stack of paper that has been subjected to paper sorting is stacked on a pallet 3 with a stick. In this bar stacking, a stack of sheets is continuously stacked on the pallet 3 without an intermediate plate.

(D) Printing Sheet-by-sheet stacked sheets 1 are fed one by one to a printing machine 4 to perform printing on one side. The printed paper 1 is stacked on the pallet 3. In this plate stacking, a sheet bundle divided into small units is placed between the intermediate plates 6 arranged in multiple stages on the pallet 3 via the spacers 5. That is, in this plate stacking, in order to prevent ink adhesion caused by stacking a large number of sheets of paper 1 immediately after printing on a stick, stacking the printed sheets 1 on the middle plate 6 by a predetermined number of small units is repeated. It is a thing.

When printing is completed only by single-sided printing
Go to (J) and go through (E) to (I) when printing on both sides.
Go to (J).

(E) Stripping The sheets 1 stacked after printing in (D) above are reloaded into a stack. That is, the small unit sheet bundle on each middle plate 6 is transferred onto the pallet 3 for stick stacking, and the middle plate 6 from which the sheet bundle is removed is manually or robotically removed.

(F) Reversing paper separation In the process of (E) above, the paper bundle is reversed (reversed so that the remaining one side is the printing surface), and it is bent and blown between the paper sheets. Paper is separated at.

(G) Removal of Defective Papers In the process of plate removal in (E) above, defective papers mixed in the paper bundle are removed.

(H) Paper Alignment A stack of sheets subjected to reverse paper sorting is stacked on a pallet 3 with a stick.

(I) Printing Sheet-by-sheet stacked sheets 1 are fed to the printing machine 4 one by one, and the remaining one side is printed. The printed paper 1 is stacked on the pallet 3.

(J) Stripping Paper 1 stacked on the plate after printing in (D) or (I) above
Is transferred to a bar stack.

(K) Removal of Defective Paper In the process of plate removal in (J) above, defective paper mixed in the paper bundle is removed.

(L) Shipping The printed paper 1 is shipped in a bar-stacked state.

However, the embodiment shown here uses the sheet processing apparatus 10 shown in FIGS. 2 to 4 in order to automate the reversing sheet separating operation of (F) in the above-mentioned printing line.

The sheet processing apparatus 10 includes a front stage stocker 11 that stacks and supports the sheets 1 and moves up and down, a rear stage stocker 12 that stacks and supports the sheets 1, and the sheets 1 stacked on the front stage stocker 11 sequentially in the rear stage. The conveyor device 13 conveys the stocker 12 toward the stocker 12. Then, the sheet processing apparatus 1
0 indicates the operation of the front stage stocker 11, the rear stage stocker 12, and the conveyor device 13 for the type of sheet 1 and the sheet processing apparatus 10.
It has a control device 100 that automatically controls according to the operating conditions of the above.

The pre-stage stocker 11 is additionally provided with a push-out device 15 which moves up and down by a lift device 14 and chucks the uppermost sheet bundle to push it out to the conveyor device 13. The stack of sheets is lifted so that it is set at the chuck position by the pushing device 15.

The rear-stage stocker 12 is additionally provided with a retracting device 17 that moves up and down by a lift device 16 and chucks a bundle of sheets carried out from the conveyor device 13 and pulls it to the uppermost layer. The uppermost upper surface is lowered so that the drawing device 17 sets the uppermost surface to the sheet unloading position. The rear stocker 12 is
The back reference plate 18A, the front aligning plate 18B, and the both side aligning plates 19A and 19B are arranged on the four lower sides of the uppermost surface, and the front aligning plate 18B vibrates in small steps by a front aligning drive unit (not shown) to form the uppermost layer. The sheet 1 is struck on the rear reference plate 18A, and the uppermost sheet 1 is struck from both sides by the both-sides aligning plates 19A and 19B which vibrate oppositely in small steps by the both-sides aligning drive unit (not shown) to align the sheets.

The conveyor device 13 is constructed as follows. The conveyor device 13 connects a pair of first and second conveyors 21A and 21B in series via a connecting shaft 22 and also connects both conveyors 21 around the connecting shaft 22.
A and 21B are bendable.

That is, the connection shaft 22 is rotatably supported on the gantry 20. The base of the first arm 24A is bolted to the first pulley 23A that is rotatably supported around one end of the connecting shaft 22, and the support shaft 25A is rotatably supported at the tip of the first arm 24A. Connected shaft 2
A first conveyor 21A is wound around a pulley 26A that is fixed around two and a pulley 27A that is rotatably supported around a support shaft 25A. On the other hand, the base of the second arm 24B is bolted to the second pulley 23B that is rotatably supported around the other end of the connecting shaft 22, and the support shaft 25B is rotatably attached to the tip of the second arm 24B. A pulley 26B that is supported and fixed around the connecting shaft 22 and a pulley 27B that is rotatably supported around the support shaft 25B.
The second conveyor 21B is wound around.

A pulley 28 is fixed to the other end projecting portion of the connecting shaft 22, a pulley 30 fixed to the output shaft of the conveying drive motor 29, and the conveying drive belt 3 on the pulley 28.
1 is wound. That is, the rotational force of the transport drive motor 29 rotates the connecting shaft 22, and thus drives the two conveyors 21A and 21B wound around the pulleys 26A and 26B fixed to the connecting shaft 22 to transport the paper 1 and then Try to carry it out to the process.

The first bending drive belt 34A is wound around the first pulley 23A to which the first arm 24A is fixed and the pulley 33A (not shown) fixed to the output shaft of the first turning drive motor 32A. ing. That is, the rotational force of the first turning drive motor 32A rotates the first pulley 23A, and thus the first arm 24 fixed to the first pulley 23A.
By rotating A around the connecting shaft 22, the first
The conveyor 21A is rotated and bent as appropriate.

The second bending drive belt 34B is provided on the second pulley 23B to which the second arm 24B is fixed, and the pulley 33B fixed to the output shaft of the second turning drive motor 32B.
Is wound. That is, the second turning drive motor 32B
Rotating force of the second pulley 23B causes the second arm 24B fixed to the second pulley 23B to rotate about the connecting shaft 22.
1B is appropriately rotated and bent.

Further, the conveyor device 13 is provided with a first clamp roller 35A which rotates in conjunction with the bending of the first conveyor 21A and clamps the sheet 1 on the first conveyor 21A. That is, the guide rail 36 is attached to the first arm 24A.
A is extended and the slider 3 is attached to the guide rail 36A.
7A is fitted to the slider 37A, and the lifting cylinder 38 is attached to the slider 37A.
The bearing chock 39A, which can be moved up and down along the slide guide 37S by A, is supported.
A first clamp roller 35A is supported by the. The support shaft 25A at the tip of the first arm 24A is rotatable by the first clamp moving motor 40A.
A sprocket 41A fixed to the sprocket and a sprocket 42A rotatably supported by the connecting shaft 22 have a chain 43A.
Is wound around, and the above-mentioned slider 37A is fixed to this chain 43A. As a result, the first clamp roller 35A pivots in conjunction with the bending of the first conveyor 21A, laterally moves by the rotational force of the first clamp moving motor 40A, and moves up and down by the operation of the lifting cylinder 38A to move the first clamp roller 35A. The appropriate position of the sheet 1 on the conveyor 21A is clamped. The bearing chock 39A is the brake 4
4A is provided, and the first clamp roller 35A can be rotationally locked as appropriate.

Further, the conveyor device 13 is equipped with a second clamp roller 35B which rotates in conjunction with the bending of the second conveyor 21B and clamps the sheet 1 on the second conveyor 21B. That is, the guide rail 36 is attached to the second arm 24B.
B is extended and the slider 3 is attached to the guide rail 36B.
7B is fitted, and the lift cylinder 38 is attached to the slider 37B.
A bearing chock 39B that can be raised and lowered along a slide guide 37S (not shown) is supported by B, and a second clamp roller 35B is supported by the bearing chock 39B. The support shaft 25B at the tip of the second arm 24B can be rotated by the second clamp moving motor 40B, and the sprocket 41B fixed to the support shaft 25B and the sprocket 42B rotatably supported by the connecting shaft 22. A chain 43B is wound around the chain 43B, and the above-mentioned slider 37B is fixed to the chain 43B. As a result, the second clamp roller 35B rotates in conjunction with the bending of the second conveyor 21B, and the second clamp movement motor 40 moves.
The sheet is laterally moved by the rotational force of B and moved up and down by the operation of the elevating cylinder 38B to clamp an appropriate position of the sheet 1 on the second conveyor 21B. The bearing chock 39B includes a brake 44B so that the second clamp roller 35B can be rotationally locked at a proper time.

Here, the conveyor device 13 constitutes the reversing device of the present invention. The conveyor device 13 supports the bundle of sheets by the conveyors 21A and 21B as supporting means and bends the sheet at a substantially central portion thereof. After carrying out a judgment, the above-mentioned bundle of sheets is conveyed to the conveyor 21 by the clamp rollers 35A and 35B.
The conveyors 21A and 2B are clamped to A and 21B, and are rotated by revolving drive motors 32A and 32B as inversion driving means.
1B and clamp rollers 35A and 35B are turned over (18
(0 rotation) The conveyor device 13 is provided with a paper receiving member 50 on the first arm 24A with a certain gap from the first conveyor 21A, and is capable of supporting the inverted sheet bundle 1A (see FIG. 6).

Therefore, the control device 100 has the lift device 14, the pushing device 15, the lift device 16 of the rear stage stocker 12, the retraction device 17, the conveyance drive motor 29 of the conveyor device 13, and the swing drive motor 3 of the front stage stocker 11.
2A, 32B, the elevating cylinders 38A, 38B, the clamp moving motors 40A, 40B, the brakes 44A, 44B, etc. are automatically controlled according to the type of the sheet 1 and the operating condition of the sheet processing apparatus 10.

When the sheet processing apparatus 10 is used in the (F) reversing sheet separating operation process in the above-mentioned printing line, the front stage stocker 11 is used for the sheet stacking sheet 1 before reversing.
The rear stage stocker 12 supports the sheet 1 in the stacked state after being inverted. Then, the pushing device 15 as a feeding device attached to the front part stocker 11 sequentially feeds the sheets 1 on the front part stocker 11 to the conveyor device 13 in a block unit (sheet bundle 1A) composed of a plurality of sheets. To do.
As a result, the conveyor device 13 can continuously perform the paper separating work and the reversing work as follows.

Hereinafter, a procedure for separating paper by the paper processing apparatus 10 will be described (see FIG. 5).

(A) The sheet 1 on the front stage stocker 11 is conveyed by the pushing device 15 in the state of the sheet bundle 1A by the conveyor device 1
Bring to 3.

(B) The first clamp roller 35A is laterally moved from the original position to clamp the sheet bundle 1A on the first conveyor 21A.

(C) The second clamp roller 35B is laterally moved from the original position to clamp the sheet bundle 1A on the second conveyor 21B almost directly above the connecting shaft 22.

(D) The first clamp roller 35A is rotationally locked by the brake 44A, and the second clamp roller 35B is locked.
The second conveyor 21B (and the second clamp roller 35B) is bent in the positive direction by 67.5 degrees in a state in which it is rotatable.

(E) The second clamp roller 35B is laterally moved to clamp the right end of the sheet bundle 1A on the second conveyor 21B, and the second clamp roller 35B is rotationally locked by the brake 44B. Then, the first clamp roller 35
In a state in which A is rotatable, the second conveyor 21B (and the second clamp roller 35B) is further bent in the positive direction by 67.5 degrees, and the first clamp roller 35A is laterally moved to move the left end of the sheet bundle 1A to the first position. Clamped on the conveyor 21A,
Further, the first clamp roller 35A is rotationally locked by the brake 44A.

(F) The second conveyor 21B (and the second clamp roller 35B) is bent back by 135 degrees. As a result, slack is formed in the middle portion of the sheet bundle 1A. Then, the first conveyor 21A (and the first clamp roller 3
5A) and the second conveyor 21B (and the second clamp roller 35B) are rocked several times in both the forward and reverse directions, and the sheet bundle 1
Blow into A. This is the paper separation.

(G) The first conveyor 21A (and the first clamp roller 35A) and the second conveyor 21B (and the second clamp roller 35B) are bent so as to form a mountain shape. As a result, air is removed from the bundle of sheets 1.

(H) Both clamp rollers 35A, 35B are raised to feed the sheet bundle 1 to both conveyors 21A, 21B.
Release the clamp of A.

(I) The first conveyor 21A (and the first clamp roller 35A) and the second conveyor 21B (and the second clamp roller 35B) are bent back to be horizontal.

The procedure of reversing work performed by the sheet processing apparatus 10 will be described below (see FIG. 6). (A) The first clamp roller 35A after the above-mentioned paper separation is completed.
Is laterally moved and lowered to clamp the left end of the sheet bundle 1A on the first conveyor 21A. Then, the first conveyor 21A (and the first clamp roller 35A) and the second conveyor 21B (and the second clamp roller 35B) which are in a horizontal state.
Are reversed together.

(B) The right end portion of the reversed sheet bundle 1A is clamped to the first conveyor 21A by the first clamp roller 35A, and the intermediate portion of the sheet bundle 1A is supported by the sheet receiving member 50. The Rukoto. In this state, the conveyor device 13 rotationally drives the conveyors 21A and 21B, and the first clamp roller 35A causes the first conveyor 21 to move.
A conveyance force is exerted on the sheet bundle 1A clamped to A,
The sheet bundle 1A is carried out to the rear stocker 12 side. In this way, the sheet bundle 1 carried out from the conveyor device 13
A is pulled out by the retracting device 17 of the rear stage stocker 12 and transferred onto the rear stage stocker 12.

The operation and effect of this embodiment will be described below. The sheet bundle 1A includes a conveyor 21A of the conveyor device 13,
On 21B, it is bent with a substantially central portion as a boundary and subjected to paper separation.

Then, a sheet bundle 1A subjected to paper sorting
Is reversed by being actuated by the swing drive motors 32A and 32B while being clamped on the conveyor 21A by the clamp roller 35A. Therefore, the reversing work and the paper separating work are performed within the single conveyor device 13.

As described above, it is possible to reduce the space required for both operations of reversing the sheet bundle 1A and separating the sheets, and improve the efficiency of both operations.

[0053]

As described above, according to the present invention, it is possible to reduce the space required for both the work of reversing the paper and the work of separating the paper, and improve the work efficiency of both.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a print line.

FIG. 2 is a side view showing a sheet processing apparatus.

FIG. 3 is a plan view of FIG.

FIG. 4 is a perspective view showing a main part of the sheet processing apparatus.

FIG. 5 is a schematic diagram showing an example of a paper separating procedure.

FIG. 6 is a schematic diagram showing an example of a sheet reversing procedure.

[Explanation of symbols]

 11 Front Stage Stocker 12 Rear Stage Stocker 13 Conveyor Device (Reversing Device) 15 Extruding Device (Feeding Device) 21A, 21B Conveyor (Supporting Means) 32A, 32B Swing Drive Motor (Reversing Driving Means) 35A, 35B Clamp Roller (Clamping Means) )

Claims (1)

[Claims] 1. A front-stage stocker that stacks and supports paper sheets before reversal and moves up and down, a rear-stage stocker that stacks and supports paper sheets after reversal and moves up and down, and a reversing device provided between both stockers. A sheet reversing and separating device comprising: a sheet feeding device that sequentially feeds the sheets stacked on the front stage stocker to the reversing device in units of blocks each including a plurality of sheets, wherein the reversing device is Supporting means for supporting the block fed from the feeding device and bending around a substantially central portion, and clamping means for clamping the block on the supporting means,
A paper sheet reversing and separating apparatus including the supporting means and a reversing driving means for reversing the entire clamping means.