JP2005305918A - Saddle stitching bookbinding device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a saddle stitching bookbinding device which enables a booklet with an inserted sheet of longer size than each sheet constituting a booklet to be manufactured using a saddle stitching bookbinding device which doubles a bundle of sheets, then stitches the folding position of the bundle and manufactures the booklet by cutting the fore edge part. <P>SOLUTION: In this saddle stitching bookbinding device, a sheet Px of longer size to be inserted into between the sheets P1 to Pn of the same size, is set in a specified sheet feeder shelf of a gathering machine 1 in such a way that the end part of the sheet Px is previously folded. Next, the sheet Px is conveyed to a sheet positioning accumulation part 2 after dividing it together with the sheets P1 to Pn. In the accumulation part 2, the position of a guide plate 2a with which the folding edge of the sheet Px comes into contact, is changed by a specified distance from the center when the folding sheet Px is conveyed. Consequently, the folding part of the sheet Px is no longer cut by a fore edge cutting blade. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a saddle stitch bookbinding apparatus.

  A booklet in which a folded central part is bound with a wire is well known. FIG. 5 shows an example of the configuration of a saddle stitch bookbinding apparatus for creating such a booklet. In FIG. 5, 1 is a paper feeding unit, 2 is a paper positioning and accumulating unit, 3 is a paper folding unit, and 4 is a paper conveying unit. Reference numeral 5 denotes a paper binding unit, 6 denotes a paper discharge unit, and 7 denotes a cutting unit. The sheet feeding unit 1 is provided with a vertical collating machine (or a printing machine or the like), and forms a booklet in each sheet feeding stage (bin) of the collating machine, for example, sheets P1 and P2 divided into pages. ... A bundle of Pn is loaded, and the sheets are stacked one by one in the page order or a plurality of sheets in the page order and are carried out to the sheet positioning and accumulating unit 2.

  The sheet positioning and accumulating unit 2 receives the sheets carried out from the sheet feeding unit 1, accumulates the appropriate number of sheets (the number of sheets that can be reliably folded by the sheet folding unit 3) with the edges aligned, and collects the central portion of the accumulated sheets P. The paper is carried out to the paper folding unit 3 in accordance with the center line of the subsequent conveyance path. The paper folding unit 3 is a pair of presses that are arranged on the paper carry-in side with a pair of upper and lower scoring rollers 3a and 3b on the center line of the transport path, and a transport pulley 3c on both sides thereof, and are in pressure contact with the carry-out side in the lateral direction. A roller 3d is arranged, a round belt 3e is hung on the conveying pulley 3c and the press roller 3d, and a guide roller 3f is arranged between the scoring rollers 3a and 3b and the press roller 3d.

  The central portion of the paper P carried into the paper folding unit 3 is sandwiched between the scoring rollers 3a and 3b, and the crease is put along with the conveyance. The sheet P in which the crease is inserted is abutted by the guide roller 3f on the crease, and is slightly pushed up in the upper direction. At this time, the paper portions located on both sides of the folding line are located inside the round belt 3e, and inserted in the state between the press rollers 3d, the paper P is folded in half at the center, and the folded paper P is A folding line is formed at the ridge (not shown, disposed along the transport chain 4a between the pair of transport chains 4a) of the paper transport unit 4 including the transport chain 4a and the transport claws 4b fixed to the transport chain 4a. Hung on top.

A bundle of paper sheets Po is caught and collected at the entrance of the paper conveyance section 4, and when one book is accumulated, the paper bundle Po is conveyed by a conveyance claw 4b fixed to the conveyance chain 4a by the movement of the conveyance chain 4a. It is pushed forward and sent to the sheet binding unit 5 and is stitched by a stitcher head 5a of a binding machine (stitcher) installed in the sheet binding unit 5 along the folding line of the hooked sheet bundle Po with two wires in the illustrated example. It is bound. The bound paper bundle Po is sent to the paper discharge unit 6, and the folded fold is pushed up by a folding knife 6 a installed in the paper discharge unit 6 and sent to the cutting unit 7. The cutting section 7 is provided with a small edge cutting blade 7a and a top and bottom cutting blade 7b, and the paper bundle Po sent to the cutting section 7 is first cut at the small edge portion of the paper bundle Po, and then sent to the top and bottom cutting blade 7b. Here, the top and bottom portions of the sheet bundle Po are cut, and one booklet is completed.
JP 2003-291557 A

  By the way, the booklet is not limited to the case where the size of each paper constituting the booklet is composed of only the same size paper as A3, for example, and a paper having a size longer than that of each paper constituting the booklet is inserted, for example, in the edge direction. In some cases, the end portion that protrudes from the sheet bundle of the same size is folded in the direction of the back of the booklet. In the former case, as described above, the edge of the sheet bundle for one book carried out from the collating machine is aligned, folded in half at the center, and the center of the folded sheet bundle is bound with a wire. It can be created with a saddle stitch bookbinding device that creates a booklet by trimming the edge and top and bottom of a bundle of sheets that have been folded and bound, but in the latter case it cannot be created with such a saddle stitch bookbinding device. There was a problem that it was inconvenient.

  The problem to be solved by the present invention is that a sheet positioning and stacking unit, a sheet folding unit, a sheet binding unit, and a cutting unit are arranged in order, and a sheet bundle positioned and stacked by the sheet positioning stacking unit is folded in two by a sheet folding unit. In a saddle stitch bookbinding device in which the folding position of a folded sheet bundle is bound by the sheet binding unit, and the small edge portion of the bound sheet bundle is cut by the cutting unit to create a booklet, in the edge direction from each sheet constituting the booklet It is possible to create a booklet in which a long size sheet is inserted, and to solve such a problem.

  A saddle stitch bookbinding apparatus according to the present invention includes a sheet positioning stacking unit, a sheet folding unit, a sheet binding unit, and a cutting unit arranged in order, and a sheet bundle positioned and stacked by the sheet positioning stacking unit is folded in two by a sheet folding unit. In a saddle stitch bookbinding apparatus in which a folding position of a folded sheet bundle is bound by a sheet binding unit, and a small edge portion of the bound sheet bundle is cut by a cutting unit to create a booklet, the sheet folded in the sheet positioning and stacking unit It is characterized in that positioning means for determining the position is provided.

  In the present invention, when inserting a paper having a longer size in the direction of the edge than each of the sheets constituting the booklet, the end of the longer size in the direction of the edge is folded in advance and set in a predetermined paper supply shelf of the collator. Then, the unfolded paper and the folded paper are separated from the collating machine and carried out to the paper positioning and accumulating unit. Since the positioning means for determining the position of the folded paper is provided in the paper positioning and accumulating section, when the folded paper is carried out, the positioning means is operated to position the edge on the edge side of the unfolded paper. Position at a position closer to the center than the position. With this positioning, the end edge of the folded paper is positioned closer to the center than the edge of the unfolded paper, and a stack of sheets is obtained. Stitch and cut the edge. Since the edge on the edge side of the folded paper is located closer to the center than the edge on the edge side of the unfolded paper, cutting of the folded portion can be avoided by cutting the edge of the paper. It is possible to create a booklet in which a paper having a size longer than the paper constituting the booklet is inserted in the fore edge direction.

  The paper positioning and stacking unit, the paper folding unit, the paper binding unit, and the cutting unit are arranged in this order, the paper bundle positioned and collected by the paper positioning and stacking unit is folded in half by the paper folding unit, and the folding position of the folded paper bundle is bound by paper binding. In a saddle stitching bookbinding device that creates a booklet by cutting the edge of a bundle of bound sheets and cutting it at the cutting part, create a booklet with paper that is longer in the edge direction than each sheet of the book The object of enabling this is realized by providing a positioning means for determining the position of the folded sheet in the sheet positioning stacking unit.

  An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a perspective view showing the configuration of a sheet positioning and accumulating unit of a saddle stitch bookbinding apparatus according to an embodiment of the present invention as a transition of operation. The basic configuration of the entire saddle stitch bookbinding apparatus is the same as that of the saddle stitch bookbinding apparatus shown in FIG. 5, and the same or corresponding parts as those in the saddle stitch bookbinding apparatus shown in FIG. The description of the part is omitted.

  In accordance with the present invention, the paper positioning and accumulating unit 2 positions the guide plates 2a and 2b that contact and position the edge of the paper that has been unloaded from the collating machine 1 and the edge of the top or the ground. In addition, a guide plate 2c that pushes the positioned sheet to the sheet folding unit 3 is provided, and the guide plate 2a is configured to be movable in a direction of contacting and separating from the guide plate 2b by driving a motor 8. The positions of the guide plates 2a, 2b, and 2c are set so that the central portion of the paper is positioned at the line insertion rollers 3a and 3b of the paper folding portion 3 at the subsequent stage according to the size of the paper constituting the booklet. It is something that can be done.

  For example, when a booklet is created by inserting a sheet Px having a size longer than one of the sheets P1, P2, P3,. 1 is folded and set on a predetermined paper feed shelf of the collator 1. In the example shown in FIG. 1, a bundle of sheets P1, P2, Px, P3, and Pn is set in each sheet feeding shelf of the collating machine 1, and the guide plates 2a and 2b are placed at the center of the sheets P1 to Pn. The position is set to a position located on the line insertion rollers 3a and 3b of the paper folding section 3 at the subsequent stage.

  Then, the collating machine 1 is driven, and the sheets P1 and P2 are stacked and carried out to the sheet positioning and accumulating unit 2 as shown in FIG. The unloaded paper bundles P1 and P2 are positioned with the edges aligned by the guide plates 2a and 2b, sent to the paper folding section 3, and the central section of the paper bundle P is folded, and the paper transport section 4 is not shown. Hung on a kite.

  Following the feeding of the sheet bundle P of the sheets P1 and P2 to the sheet folding unit 3, the folded sheet Px is unloaded from the collating machine 1 as shown in FIG. At this time, the motor 8 is driven by a command signal from the collating machine 1, and the guide plate 2a with which the folded leading end of the folded sheet Px abuts is moved in the center direction by a predetermined amount and stopped. In addition, the movement of the guide plate 2b is appropriate. The paper Px unloaded from the collating machine 1 is positioned with its folded tip abutting against the guide plate 2a and sent to the paper folding unit 3, and the paper bundle Px is folded, and the papers P1 and P2 that have been hooked first. Are stacked on the sheet bundle P. In addition, the structure which consists of a guide plate (guide plate 2a and / or guide plate 2b) whose position is changed by carrying out the folded paper Px is a positioning means for determining the position of the folded paper in the claims.

  Following the delivery of the paper Px to the paper bending section 3, the papers P3 to Pn are unloaded from the collating machine 1 as shown in FIG. At this time, the motor 8 is driven by a command signal from the collating machine 1, and the guide plate 2a is moved to the original position away from the guide plate 2b by a predetermined amount and stopped. The sheets P3 to Pn carried out from the collating machine 1 are in contact with the guide plate 2a, aligned and positioned, sent to the sheet folding unit 3, and a sheet bundle of the sheets P3 to Pn is folded and hooked first. Accumulated on Px. A bundle of sheets of paper P1, P2, Px, P3,... Pn collected in order is pushed forward by the conveying claw 4b and sent to the paper binding section in the same manner as the saddle stitching apparatus shown in FIG. After binding at the binding section, the sheet is sent to the cutting section, where the small edge portion and top / bottom portion of the bound sheet bundle are trimmed to complete one booklet.

  The folded leading edge position of the folded sheet Px is closer to the center than the leading edge positions of the other sheets P1 to Pn by moving the guide plate 2a closer to the center by a predetermined amount. As shown in FIG. 3, the position where the guide plate 2a moves away from the cutting edges of the upper edge 7a and the lower edge 7c, that is, the guide plate 2a is moved as shown in FIG. The amount is avoided from the cutting edge of the blade 7c, and the folded tip is not cut off by the small edge cutting blades 7a and 7c. As a result, as shown in FIG. 2, a booklet is obtained in which a sheet Px having a long size in the fore edge direction is inserted at a desired position.

  In the above embodiment, when a long size paper Px is inserted in one fore edge direction, the guide plate 2a for positioning the folded end of the paper is moved by a predetermined amount. When inserting the size paper Px, the guide plate 2b is also moved by the motor in the same manner as the guide plate 2a, and the ends of both the small edges of the paper Px are folded in advance, and the small edge direction of each of the sheets P1 to Pn. The size may be shorter than the size of the collating machine 1 and set in a predetermined paper feed shelf. In this case, when the paper Px with folded ends on both sides is unloaded, both the guide plates 2a and 2b are moved in the direction of narrowing the predetermined interval. As a result of this movement, as shown in FIG. 4, a booklet is obtained in which a paper Px having a long size is inserted in a desired position on both sides.

  In the embodiment, the folded sheet and the unfolded sheet are divided from the collating machine 1 and carried out to the sheet positioning and accumulating unit. However, in the case of a sheet bundle having a large number of sheets carried out at one time, for example. In this case, the sheet bundle is further divided and carried out to the sheet positioning and accumulating unit according to the folding ability of the sheet folding unit.

It is a perspective view which shows the structure of the paper positioning integration | stacking part of the saddle stitch bookbinding apparatus concerning the Example of this invention by transition of operation | movement. It is a side view of a booklet after bookbinding is completed. It is a side view which shows the mode of fore edge cutting in the saddle stitch bookbinding apparatus which concerns on this invention. It is a side view of a booklet after bookbinding is completed. It is a perspective view which shows the structure of the whole saddle stitch bookbinding apparatus.

Explanation of symbols

1 Paper feeder (collating machine)
2 Paper positioning and accumulating unit 2a, 2b Small edge positioning guide plate 2c Top or ground positioning guide plate 3 Paper folding unit 3a, 3b Line feed roller 3d Press roller 3e Round belt 3f Guide roller 4 Paper transport unit 4a Transport chain 4b Transport claw 5 Paper Binding section 5a Stitcher head 6 Paper discharge section 6a Folding knife 7 Cutting section 7a Small edge cutting upper blade 7b Top and bottom cutting blade 7c Small edge cutting upper blade 8 Motor

Claims (1)

  The paper positioning and stacking unit, the paper folding unit, the paper binding unit, and the cutting unit are arranged in this order, the paper bundle positioned and collected by the paper positioning and stacking unit is folded in half by the paper folding unit, and the folding position of the folded paper bundle is bound by paper binding. In a saddle stitching bookbinding apparatus in which a booklet is created by cutting a front end portion of a bundle of sheets bound by a section and cutting by a cutting section, positioning means for determining the position of the folded sheet is provided in the sheet positioning stacking section. A saddle stitch binding apparatus characterized by the above.

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