JPH0755751B2 - Booklet stacking device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for properly stacking folded booklets such as bank passbooks, passports and notebooks.

2. Description of the Related Art The above-mentioned passports, bank passbooks, and the like have a bookbinding form in which a central portion of a flat laminated paper is bound by a sewing machine and folded in two along the binding line. When dividing such two-fold booklets that are produced one after another in the bookbinding line by unit number of books, as an example, the booklet that has been bound by the sewing machine in the previous process and folded in two is fed between one or more feeding rolls. While passing through to strengthen the folding, a means is adopted in which the roll is dropped from the roll exit onto the pedestal to perform flat stacking (vertical stacking), and after reaching the quantitative flat stacking, it is carried out to the next process.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention Therefore, it is difficult to give a perfect fold to the above two-fold booklet, and a booklet that is not given enough fold is springbacked immediately after it is fed from the feeding roll. This causes a V-shaped opening, and depending on the opening angle, the front cover or the leaf paper inside the front cover interferes with the outlet of the feeding roll, causing a trouble that the next fed booklet intervenes in the open page.

In particular, booklets such as passports and bank passbooks have relatively thick leaf paper and the number of pages is limited, so that there is a problem that the occurrence rate of opening due to the springback is high and troubles are easily induced. .

Means for Solving Problems The present invention is provided for the purpose of solving the above-mentioned problems, and as a means thereof, the booklets are successively fed out from the outlet of the feeding roll and dropped while being flatly stacked on the receiving table. In the flat stacking device, the first upper presser for pressing down the cover of each uppermost booklet dropped from the payout roll onto the cradle to a lower level than the exit level of the payout roll and the first presser foot is pressed down. The top cover of each top-level booklet is flatly stacked on the already stacked booklet, and the second booklet is flatly pressed by the second top presser so that the next booklet is provided. After the fixed amount is flatly stacked, it is carried out to the next step by the carrying means.

Further, according to the present invention, the cradle is formed at one end of a horizontally extending carrier plate, and a pusher that rises from the upper surface of the carrier plate and is moved along the longitudinal direction of the carrier plate is provided, and the pusher is spaced by a distance larger than the width of the cradle. Are arranged at equal intervals, and one of the pushers is arranged so as to always stop at the front end of the pedestal and guide the spine of the booklet that is fed from the feeding roll and falls, and is adjacent to the rear of the pusher. The pusher should be placed behind the cradle so that it stands apart from the front edge of the booklet. On the other hand, a conveyor belt that introduces the booklet between the delivery rolls is hung on the lower roll of the delivery roll and runs vertically toward the rear end of the pedestal at the delivery roll exit side, and the vertical edge portion regulates the front edge of the booklet. Configuration
After the flat volume of the booklet on the pedestal reached a fixed amount, all pushers started to move forward and the pushers waiting on the rear side carried out the fixed flat sheet to the next process along the transport plate. .

Action As described above, the first upper presser presses down the cover of the booklet that is unloaded from the feeding roll and has a V-shaped opening to a level lower than the level of the outlet of the feeding roll to eliminate interference between the cover and the outlet of the feeding roll. In addition, the second upper presser presses the cover pressed down to the non-interference level into the existing flat stack booklet to achieve the flat presser, and the first upper presser is returned to the standby position and then the second presser presses it. Make sure that the next booklet is placed on the flat booklet that is present.

In the case of stacking the booklets from the pay-out roll one after another while stacking the booklets one by one as described above, it is possible to reliably and effectively prevent the trouble that the next pay-out booklet intervenes in the topmost page opened in the V-shape. It is possible to properly carry out a fixed quantity of the booklet.

Also, while using the pusher as a conveying means, one of them also serves as a means for regulating the spine of the booklet, and further the conveying belt functions as a means for introducing the booklet between the feeding rolls, while the vertical running portion allows the front edge of the booklet to be conveyed. Since it also serves as a means to regulate
It is possible to simplify the structure without the need to separately provide a flat-stacking part forming means for feeding out and dropping from the feeding roll and supporting it at a fixed position on the cradle. In addition, the booklet is fed between the feeding rolls by the conveyor belt. The guide belt is guided vertically onto the receiving tray while restricting the front edge of the booklet while being introduced into, so that the guide of the booklet fed from the feeding roll onto the receiving tray is sure and You can do it properly.

In addition, the pusher for controlling the back of the booklet, the conveyor belt for regulating the front edge of the booklet, and the pusher waiting for the rear of the booklet cooperate with each other to properly guide the fall of the booklet, A mechanism for carrying out onto the carrier plate can be reasonably formed.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

Reference numeral 1 denotes a feeding roll of the booklet 2. The feeding rolls 1 are provided in one stage or in multiple stages, and the booklet 2 is subjected to sewing and folding in the preceding step of the feeding rolls 1 and provided to the feeding rolls 1.

On the outlet side of the feeding roll 1, a receiving table 3 is arranged with a certain drop, and the receiving table 3 is extended horizontally from the flat part of the booklet 2 to the front to form a conveying plate 4.

In other words, in the embodiment, the pedestal 3 is formed at one end of the carrier plate 4, and the pusher 6 which is transferred by a chain for endless forwarding along the groove 5 formed in the longitudinal direction of the carrier plate 4 including the cradle 3 is provided. .

The pushers 6 stand up from the upper surfaces of the receiving table 3 and the conveying plate 4 and are arranged at equal intervals along the longitudinal direction of the conveying plate at intervals larger than the width of the receiving table 3 so that the booklets 2 can be evenly distributed on the receiving table 3. Synchronized with the completion of loading, the booklet 2A
It serves as a means for supporting from the receiving stand 3 to the carrying stand 4 and carrying it forward.

One of the pushers 6 is arranged so as to guide the spine of a booklet which is constantly stopped at the front end of the pedestal 3, that is, is fed from the feeding roll 1 and falls, and the pusher adjacent to the rear of the pusher is It is arranged behind the receiving tray 3 so as to be separated from the front edge of the booklet and stand by.

On the other hand, the conveyor belt 10 for introducing the booklet between the feeding rolls is hung on the lower roll of the feeding roll 1, and the belt 10 is vertically extended toward the rear end of the receiving table 3 at the outlet side of the feeding roll 1, The front section of the booklet is restricted by the running section. In other words, the pusher 6 and the belt 10 define a flat stacking part.

Further, a side ruler 9 extending in the feeding direction is provided at the edges of the receiving table 3 and the conveying plate 4 to regulate the side surface (ears) of the booklet to determine the flat stacking position and guide the feeding.

A first upper presser 7 is provided above the cradle 3, that is, on the exit side of the feeding roll. The first upper presser 7 stands by at a level higher than the exit level of the pay-out roll 1, and the booklets 2 are paid out from the pay-out roll 1 and fall on the pedestal 3 while being stacked flat. The cover 2a of the booklet 2 which has moved to the V shape and is opened to the lower side from the exit side level is a means for forming a non-interference state with the roll exit. It returns to the upper position in synchronization with the work clamp.

Therefore, the first upper presser 7 intermittently moves up and down between the upper and lower exit levels of the feeding roll 1 at the above timing regardless of whether the feeding booklet 2 is opened. The up-and-down movement includes a case of vertical shift (up-and-down reciprocating movement) and a case of up-and-down rotary movement as shown.

A second upper presser 8 is provided which operates from the rear side of the cradle 3, that is, the inlet side of the feeding roll 1. The second presser foot 8 is the first
The cover pressed down by the upper presser 7 is flat-pressed together with the booklet to the already flat-bed booklet, and the rear of the cradle (feeding roll) is supplied on the cover of the flat-pressed booklet being flat-pressed. It is a means for temporarily retreating to the entrance side), advancing to the upper side of the next booklet whose cover is being held by the first upper presser, and descending to press down this cover.

Therefore, the second upper presser 8 always presses the newly fed booklet flat, that is, the cover pressed down below the level by the first upper presser 7 is completely closed and flattened to the next booklet. In order to prepare for the supply of the above, it operates at the above timing.
Such operation can be obtained by moving the second flat presser 8 in a known box motion.

The flat pressing position changes as the flat stacking amount of the booklet increases. However, such a difference in position may be provided by a means for elastically holding and absorbing the second upper pressing by a spring.

The configuration of the present invention will be described again together with the operation.

As shown in FIG. 1, when the booklet 2 is fed out from the feeding roll 1 and drops and is flatly stacked on the already stacked booklet, the first presser foot 7 causes the exit level of the feeding roll 1 as shown in FIG. The cover 2a of the booklet 2 which is descended from a higher position and opened in a V shape is pushed downward from the exit level of the feeding roll 1.

When the first upper presser 7 is pushing down the cover 2a to a position where it does not interfere with the outlet of the feeding roll 1, the second upper presser 8 advances above the cover 2a as shown in FIG. As shown in Fig. 4, the cover 2a is lowered and is pressed down by the first upper presser foot 7.
Press down the supply booklet 2 onto the existing flat booklet until it is completely closed. During this time, the first presser foot 7 returns to a position higher than the exit level of the feeding roll 1.

As shown in FIG. 5, while the flat presser is being held by the second upper presser 8, the next booklet 2'is unrolled and properly stacked flat on the uppermost booklet. After that, the first upper presser 7 descends in the same manner as described above, and the booklet 2'which is fed next to the above.
Then, the second upper presser foot 8 is retracted from the flat presser foot position to the outside of the area immediately before, further advanced above the booklet 2 ', and lowered to again flatten the next booklet 2'.

In this way, all the pushers 6 start to move forward by the chain that is driven in synchronism with the time when the flat stack reaches the fixed quantity.
The pusher 6a waiting behind the 2A is the above-mentioned fixed flat paper.
The rear surface of 2A is pushed out from the pedestal 3 onto the carrier plate 4 and is carried out to the next step along the carrier plate 4. By repeating the above-described operation, the fixed quantity division of the two folded papers successively fed from the feeding roll is properly performed.

As described above, the present invention arranges the first upper presser foot and the second upper presser foot in the above relationship when flatly stacking the booklets fed one by one from the feeding roll in unit. By the interlocking operation, the topmost booklet opens in a V shape due to the springback and interferes with the feeding roll outlet, and the trouble that the next feeding booklet intervenes in the above-mentioned page opening is reliably and effectively prevented. However, it is possible to properly carry out the quantitative flattening of the booklet, and it is possible to solve the problems such as the occurrence of load slippage due to this trouble and the need to stop the line.

A means for regulating the front edge of the booklet at the vertical traveling portion while using one of the pushers functioning as the conveying means also as the means for regulating the spine of the booklet, and the conveying belt having the function of introducing the booklet between the feeding rolls. Since it is also used for the above, it is possible to simplify the structure of the flat stacking part forming means for dropping the booklet from the feeding roll onto the cradle and supporting it at a fixed position. Since the front end of the booklet is regulated by the vertical traveling portion and guided to the receiving tray, the guide of the booklet fed from the feeding roll to the receiving tray can be surely and properly performed.

In addition, the pusher for controlling the back of the booklet, the conveyor belt for regulating the front edge of the booklet, and the pusher waiting for the rear of the booklet cooperate with each other to properly guide the fall of the booklet, The mechanism for carrying out onto the carrier plate can be simply and rationally formed.

[Brief description of drawings]

1 to 5 are side views for explaining, in order of operation, a booklet-flattening apparatus showing an embodiment of the present invention, and FIG. 6 is a plan view of the flat-laying apparatus. 1 ... feeding roll, 2 ... booklet, 2a ... cover, 3 ... cradle, 4 ... transport plate, 6 ... pusher, 7 ... first upper presser, 8 ... second upper presser.

Claims (1)

[Claims] 1. A booklet flat having a structure in which two folded booklets are sequentially fed from a feeding roll, dropped onto a pedestal and stacked flat, and the flat booklet having reached a fixed amount is carried out to the next step by a conveying means. In the stacking device, the first upper presser for pressing down the cover of each uppermost booklet dropped from the feeding roll onto the cradle to the lower position from the exit of the feeding roll, and each uppermost presser pressed down by the first upper presser. A second upper presser for pressing the cover of the upper booklet together with the booklet to the already stacked booklet is provided, and the pedestal is formed by one end of a horizontally extending conveying plate, and rises from the upper surface of the conveying plate and rises in the longitudinal direction of the conveying plate. A pusher to be moved along is provided, and a plurality of the pushers are arranged at equal intervals over the width of the pedestal in the longitudinal direction of the carrier plate, and one of the pushers always stops at the front end of the pedestal. Lowered from the feeding roll The booklet is arranged so as to guide the back of the booklet, and the pusher adjacent to the rear of the booker is arranged behind the pedestal so as to be separated from the front edge of the booklet and stand by, while the other booklet is introduced between the feeding rolls. The conveyor belt is hung on the lower roll of the feeding roll and vertically extended toward the rear end of the receiving tray on the outlet side of the feeding roll, and the vertical running portion is configured to regulate the front edge of the booklet, and then onto the receiving tray. After the flat volume of the booklet reaches a fixed amount, all pushers start to move forward, and the pushers waiting on the back side carry out the fixed flat sheet to the next process along the transport plate. Booklet stacking device.