JP2011073798A - Booklet stacking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a booklet stacking device in a simple construction for stacking many booklets in an easily removable manner while preventing the collapse of booklets. <P>SOLUTION: The booklet stacking device includes a booklet staking storage part for stacking and storing booklets S1 bound with each one end closed, a booklet transfer means for transferring the booklets S1 toward the booklet stacking storage part while aligning them at their bound portions in one direction, and a discharge position change-over means 33 for changing over a position of discharging the booklets S1 from the booklet transfer means to the booklet stacking storage part, alternately into a frontward or rearward position. The booklets S1 are discharged with their bound portions while being displaced alternately to the frontward or rearward position by the discharge position change-over means 33, and the booklets S1 are stacked and stored in the booklet stacking storage part with their bound portions S1a while being alternately displaced. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a booklet stacking apparatus that binds a booklet that has been bound by, for example, a bookbinding machine or a post-processing apparatus of a copier / printer and stacks the discharged booklet.

  For example, a booklet bound by a bookbinding machine or a post-processing apparatus of a copier / printer is discharged to a height close to the installation surface of the bookbinding machine or the post-processing apparatus due to the structure of the bookbinding machine or the post-processing apparatus. Therefore, in the conventional booklet stacking device, the booklet is transported obliquely upward by the transport belt rotating obliquely upward from the booklet discharge port of the bookbinding machine or the post-processing device, and dropped to the stacking unit, and arranged almost horizontally. There is also a type in which booklets are stacked on the belt while rotating the transported belt and arranged (Patent Document 1).

  Also, the booklet is received on the conveyor belt, transferred vertically upward by the booklet lifting / lowering means, then discharged in the horizontal direction, sequentially stacked on the tray, and the upper surface of the booklet loaded on the tray is detected and always constant There is a device that is controlled to maintain the height, miniaturizes the device, saves space, and loads a large amount of booklets to facilitate removal (Patent Document 2).

JP 2001-240288 A JP-A-2005-89181

  As described above, for example, there are various structures for binding a booklet produced by a bookbinding machine or a post-processing apparatus of a copier / printer and loading a discharged booklet. When a large amount of booklets are loaded, booklet binding is performed. Since the part is thicker than the other parts, cargo collapse occurred, and many booklets could not be loaded so as to prevent the cargo collapse.

  The present invention is intended to solve the problems of such a conventional configuration, prevents a booklet from collapsing with a simple structure, and enables loading of many booklets. It is an object of the present invention to provide a booklet stacking device that makes it easy to take out a booklet loaded from a booklet.

  In order to solve the above-described problems and achieve the object, the present invention is configured as follows.

The invention according to claim 1 is a booklet stacking and storing unit for storing and storing booklets that are bound and closed at one end;
A booklet transfer means for transferring the booklet binding side in one direction toward the booklet stacking storage unit;
A discharge position switching means for alternately switching back and forth the position at which the booklet is discharged from the booklet transfer means to the booklet stacking storage unit,
The booklet binding position of the booklet is alternately displaced back and forth by the discharge position switching means and discharged,
In the booklet stacking apparatus, the binding portions of the booklet are alternately displaced and stacked and stored in the booklet stacking and storing unit.

The invention according to claim 2, wherein the booklet stacking storage unit,
A tray for receiving the booklet to be the discharge,
The booklet stacking apparatus according to claim 1, further comprising: a tray lifting / lowering unit that lowers the tray each time the booklet is discharged.

  The invention according to claim 3 is the booklet stacking apparatus according to claim 2, wherein the tray lifting and lowering means lowers the tray more than the thickness of the booklet.

The invention according to claim 4, wherein the discharge position switching means,
A booklet ejection section for holding the rear end of the booklet,
The booklet stacking apparatus according to claim 1, further comprising a moving unit that alternately switches the position of the booklet discharge unit back and forth.

  The invention according to claim 5 is the booklet stacking apparatus according to claim 4, wherein the moving means moves a distance equal to or greater than the width of the closed portion of the booklet.

  With the above configuration, the present invention has the following effects.

  In the first aspect of the invention, the booklet binding side position is alternately displaced back and forth and discharged, and the booklet binding portion is alternately displaced and stacked and stored in the booklet stacking and storing unit. With a simple structure, the booklet to be loaded can be prevented from collapsing, a large number of booklets can be loaded, and the loaded booklet can be easily taken out from the apparatus.

  In the invention described in claim 2, a large number of booklets can be stacked by lowering the tray that receives the booklets to be ejected each time the booklets are ejected.

  In the invention described in claim 3, by lowering the tray more than the thickness of the booklet, the tray can be lowered and stacked from a high position, and a large number of booklets can be stacked.

  In the invention described in claim 4, the booklet discharge portion is alternately switched back and forth to move the booklet so that the binding portions of the booklet do not overlap with each other, thereby preventing the booklet from collapsing. be able to.

  According to the fifth aspect of the present invention, the booklet can be stacked in such a manner that the closed parts of the booklet do not overlap each other by moving the distance more than the width of the binding part of the booklet.

It is the schematic of a bookbinding system provided with a booklet stacking apparatus. It is the schematic of a booklet stacking apparatus. It is the schematic which shows a discharge position switching means. It is a figure which shows the action | operation of a discharge position switching means.

  Embodiments of the booklet stacking apparatus according to the present invention will be described below. The embodiment of the present invention shows the most preferable mode of the present invention, and the present invention is not limited to this.

  In this bookbinding system, as shown in FIG. 1, a discharge device 1 is disposed in the center, a printer 2 is disposed on the left side of the discharge device 1, and a post-processing device 3 is disposed on the right side of the discharge device 1. Yes. The printer 2 records images such as characters and graphics on paper. In this embodiment, the printer 2 is used, but a copier or the like may be used.

  The post-processing device 3 collects a predetermined number of sheets on which images are recorded by the bookbinding unit 3a, and closes one end of the collected sheets S2 to perform bookbinding to create a booklet S1. One end of the booklet S1 may be closed with glue, or may be closed with a needle-like member for bookbinding. Further, one end of the booklet S1 may be formed by providing a hole in the paper and closing the hole through a coil-shaped closing member or an annular member.

  The discharge device 1 includes a paper conveyance path 10, a paper stacking device 20, and a booklet stacking device 30. The paper transport path 10 is disposed in the apparatus main body 1a, and the paper transport path 10 includes a transport roller 10a, a switching claw 10b, a transport guide 10c, and the like. An opening 1b is provided at the center of the apparatus main body 1a, and a take-out device 40 is disposed in the opening 1b. The take-out device 40 is provided with a caster 41. The caster 41 can be pulled out from the apparatus main body 1b.

  Further, in the take-out device 40, a tray 42 can be moved up and down by a tray lifting / lowering means 43. The sheet S2 discharged from the printer 2 is stacked on the printer side of the tray 42, and the post-processing device is placed on the post-processing device side. The booklet S1 ejected from 3 is loaded.

  The paper stacking apparatus 20 includes a discharge roller 21, a stock guide 22, a take-out passage 23, and a tray 42. The discharge roller 21 and the stock guide 22 are provided in the apparatus main body 1a. The sheet S2 discharged from the printer 2 is discharged onto the tray 42 by driving the discharge roller 21 when the switching claw 10b is switched to the sheet stacking side. At this time, the leading end of the sheet S2 hits the stock guide 22 arranged in the vertical direction and is positioned. The standby position of the tray 42 is a position close to the lower side of the discharge roller 21 and the stock guide 22, and the sheet S 2 is accumulated by dropping from the standby position, and when the discharge of the sheet S 2 from the printer 2 is finished, the take-out device 40. Pull out the front. In the case of a trial print of the paper S2 or a print failure, the paper S2 is taken out from the take-out passage 23.

  When the switching claw 10b is switched to the booklet stacking side, the sheet S2 discharged from the printer 2 is guided to the transport guide 10c by driving the transport roller 10a and directed toward the upper position of the post-processing device 3. Be transported.

  The booklet stacking device 30 includes a booklet stacking storage unit 31, a booklet transport unit 32, and a discharge position switching unit 33. The booklet stacking / accommodating unit 31 is provided in the take-out device 40 and stacks and stores the booklet S1 bound and bound in the vertical direction, that is, the vertical direction. The booklet stacking / accommodating unit 31 includes a tray 42 that receives the booklet S1 to be discharged, and a tray lifting / lowering unit 43 that lowers the tray 42 every time the booklet S1 is discharged.

  The tray 42 and the tray lifting / lowering means 43 are also used for the paper stacking device 20, and the standby of the tray 42 when the booklet stacking device 30 is used from the standby position A1 of the tray 42 when the paper stacking device 20 is used. Position A2 is at a low position. When the booklet stacking apparatus 30 is used, the tray lifting / lowering means 43 is driven, and each time the booklet S1 is discharged, the tray 42 is lowered by a thickness W1 or more of the booklet S1 as shown in FIG.

  The booklet transfer means 32 includes a timing belt 32a, a drive roller 32b, a support roller 32c, and a drive means 32d. The timing belt 32a is provided with two hooks 32e. The timing belt 32a is stretched over the driving roller 32b and the support roller 32c, and the driving belt 32b is rotated by the driving means 32d to operate the timing belt 32a. . The booklet S1 is sent out from the discharge roller 3b of the post-processing device 3 onto the timing belt 32a, the binding portion side S1a of the booklet S1 is aligned in one direction and sent by the hook 32e, and the booklet S1 is sent from the post-processing device 3 to the booklet by the timing belt 32a. It is transferred toward the loading storage unit 31.

  The discharge position switching means 33 alternately switches the position where the booklet S1 is discharged from the booklet transfer means 32 to the booklet stacking storage unit 31 back and forth. As shown in FIGS. 2 and 3, the discharge position switching means 33 is a moving means for moving the booklet discharge section 33a that holds the rear end of the booklet S1 and the position of the booklet discharge section 33a by alternately switching back and forth. 33b. The booklet discharge unit 33a includes a discharge roller 33a1 and a support 33a2 that supports the discharge roller 33a1. The moving means 33b includes a stepping motor 33b1, a pinion gear 33b2 provided on the output shaft of the stepping motor 33b1, and a rack 33b3 provided on the support 33a2. The stepping motor 33b1 is rotated in the reverse direction to the forward direction by switching, whereby the pinion gear 33b2 is rotated in conjunction with it, and the discharge roller 33a1 provided on the support 33a2 via the rack 33b3 is moved to the forward discharge position P1. And switch to the reverse discharge position P2. As shown in FIG. 4, the moving means 33b moves the booklet discharge portion 33a by a distance D2 that is equal to or greater than the width D1 of the binding portion S1a of the booklet S1, and alternately displaces the binding portion side position of the booklet S1 back and forth. The booklet S1 is discharged onto the tray 42.

  Each time the booklet S1 is discharged, the tray lifting / lowering means 43 is driven, the tray 42 is lowered by a thickness W1 or more of the booklet S1, and the binding portion S1a of the booklet S1 is alternately displaced and stacked. When the booklet S1 is discharged, the take-out device 40 is pulled out.

  As described above, the binding portion side position of the booklet S1 is alternately displaced back and forth and discharged, and the binding portion S1a of the booklet S1 is alternately displaced and stacked and stored in the booklet stacking and storing unit 31. Since the thick binding portion S1a of the booklet S1 to be stacked does not overlap with the structure, the booklet S1 can be prevented from collapsing, and a large number of booklets S1 can be stacked, and the loaded booklet S1 can be removed from the apparatus main body 1a. It can be made easy to take out.

  Further, each time the booklet S1 is discharged, the tray 42 that receives the discharged booklet S1 is lowered, so that many booklets S1 can be stacked. In particular, when the tray 42 is lowered by a thickness W1 or more of the booklet S1, the tray 42 can be lowered and stacked, and many booklets S1 can be stacked.

  Further, the booklet discharge portion 33a is alternately moved back and forth to move the booklet S1 so that the binding portions S1a of the booklet S1 do not overlap with each other and prevent the booklet S1 from collapsing. . Further, the booklet S1 can be stacked so that the closed portion S1a of the booklet S1 does not overlap by moving and discharging and stacking by moving a distance D2 greater than the width D1 of the binding portion S1a of the booklet S1. .

  The present invention can be applied to a booklet stacking apparatus that binds, for example, a bookbinding machine or a post-processing apparatus of a copier / printer, and stacks the discharged booklet, and prevents the booklet from collapsing with a simple structure, In addition, a large number of booklets can be loaded, which makes it easier to take out.

DESCRIPTION OF SYMBOLS 1 Ejection apparatus 1a Apparatus main body 2 Printer 3 Post-processing apparatus 3a Bookbinding part 10 Paper conveyance path 20 Paper stacking apparatus 30 Booklet stacking apparatus 31 Booklet stacking storage part 32 Booklet transfer means 33 Ejection position switching means 40 Ejection apparatus 42 Tray 43 Tray raising / lowering means S1 booklet S2 paper

Claims (5)

A booklet stacking and storing unit for loading and storing booklets that are bound with one end closed;
A booklet transfer means for transferring the booklet binding side in one direction toward the booklet stacking storage unit;
A discharge position switching means for alternately switching back and forth the position at which the booklet is discharged from the booklet transfer means to the booklet stacking storage unit,
The booklet binding position of the booklet is alternately displaced back and forth by the discharge position switching means and discharged,
The booklet stacking apparatus, wherein the booklet stacking unit is alternately displaced and stacked and stored in the booklet stacking storage unit. The booklet loading and storing unit is
A tray for receiving the booklet to be the discharge,
The booklet stacking apparatus according to claim 1, further comprising: a tray lifting / lowering unit that lowers the tray each time the booklet is discharged.   The booklet stacking apparatus according to claim 2, wherein the tray lifting and lowering unit lowers the tray by a thickness equal to or greater than a thickness of the booklet. The discharge position switching means is
A booklet ejection section for holding the rear end of the booklet,
The booklet stacking apparatus according to claim 1, further comprising a moving unit that alternately switches the position of the booklet discharge unit back and forth.   The booklet stacking apparatus according to claim 4, wherein the moving unit moves a distance equal to or greater than a width of a binding portion of the booklet.