JP2003171056A - Stacker bundler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stacker bundler eliminating a limit in a processing capacity of a large bundle manufacturing part in a conventional stacker bundler device and capable attaining speed enhancement. <P>SOLUTION: This stacker bundler is provided with a section carrier device 3, a necking device 4, a bundle stacker 20 receiving sections fallen from the section carrier device 3 and stacking them into a bundle of the sections, a pusher 14, a bundle carrier device 21 receiving and carrying the bundle of sections pushed out from the bundle stacker 20 by the pusher 14, and a binder 8. The bundle stacker 20 is provided with a raising/lowering mount 13 and a temporary receiving plate 15. This device is also provided with a rotation mechanism capable of half rotating the raising/lowering mount 13, so that when the bundle of the sections reaches a prescribed number, the folds of the respective sections are faced to the opposite position. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacker / bundler for pressing a bundle of signatures discharged from a printing machine such as an offset rotary press into a bundle of a certain number of copies for banding.

[0002]

2. Description of the Related Art Conventional stacker bundlers 1 are
As shown in FIG. 4, the press rollers 2 and 2, the signature conveying device 3, the separating device 4, the nip rollers 5 and 5 ′, the small-bundle stacking device 6, the large-bundle producing unit 7, and the binding device 8 are generally included. The signature transport device 3 has a cord-shaped transport belt. An example of the severing device 4 is disclosed in Japanese Utility Model Publication No. 8-5179 filed by the present applicant. The operation of the general stacker / bunler 1 will be briefly described as follows.

First, the signature 9 discharged from the folding section of the rotary press (not shown) enters the press roller 2 and the bag-shaped bulge of the signature is crushed to eliminate static electricity. The signature 9 exiting the press roller 2 is conveyed by the signature conveying device 3 in a state where the signature conveying device 3 horizontally shifts and overlaps with each other, and a pair of nip rollers having one convex portion and the other concave portion near the exit of the signature conveying device 3. After being passed through (nip rollers) 5 and 5 ', the center in the width direction is made mountain-shaped or corrugated to be reinforced so as to maintain the shape, and then discharged or discharged and dropped from the small bundle. It is accumulated in the accumulation device 6.

The small bundle collecting device 6 includes nip rollers 5,
The front edge regulating member 10 for stopping the front edge portion of the flow of the signatures 9 discharged from the 5'and the rear end for aligning the front-rear dimensions of the signatures 9 that are accumulated in cooperation with the front edge regulating member 10. Edge regulating member 11
And are opposed to each other. The trailing edge regulating member 11 is composed of a regulating belt 11b wound around the nip roller 5 and the pulley 11a, and the regulating belt 11b frictionally contacts the trailing edge of the signature 9 to force the signature 9 downward. It's spinning to send to. In addition, the small bundle stacking device 6 is provided with a jogger 12 for aligning the front-back direction and width-direction dimensions of the stack of signatures to be stacked. The jogger 12 is arranged so as to be capable of minute vibration.

When a certain number of signatures are accumulated in the small bundle accumulating device 6, the severing device 4 is activated to temporarily block the flow of the rows of the signatures 9 and leave a gap in the flow of the signatures 9. To form.
In the meantime, the elevating table 13 of the small-bundle stacking device 6 on which the small bundle of signatures 9 is placed descends (FIG. 4 shows the descending position), and the elevating table 13
The small bundle above is pushed out by the pusher 14 and sent to the large bundle producing section 7.

[0006] While the flow of the signatures is temporarily stopped by the severing device 4, the temporary receiving plate 15 advances into the small bundle stacking device 6, the operation of the severing device 4 is released, and the subsequent signatures 9 The temporary receiving plate 15 temporarily receives the flow. When the elevating table 13 returns to a height near the temporary receiving plate 15, the temporary receiving plate 15 moves backward, and the bundle of signatures 9X accumulated on the temporary receiving plate 15 is
It drops on the lift table 13 and is accumulated.

The large bundle producing section 7 receives the small bundles of the signatures 9 accumulated by the small bundle accumulating device 6 and accumulates them to produce a large bundle of signatures, and when the predetermined number of copies is reached, they are conveyed to the binding section.
This paper is supplied above and below the bundle, and after being pressed by the pressing device 8, it is bound. In the large bundle producing section 7, the small bundles are inverted and stacked by the turntable 7a so that the folds of the signatures 9 are in the opposite positions for each small bundle.

[0008]

It has been desired to increase the speed of the stacker and bundler with the increase in the speed of the printing machine. However, in the conventional stacker and bundler, it is limited to stacking 8 to 10 sheets per second. Met.

Such a conventional stacker bundler is
For example, when combined with an inline trimmer,
Since the processing speed is slower than the processing speed of the inline trimmer, there is a problem in that the processing speed of the inline trimmer must be reduced in accordance with the processing speed of the stacker / bunler.

Here, the trimmer is a device for continuously cutting a signature into a predetermined size width, and the in-line trimmer is a trimmer incorporated in a printing line including a printing machine, a stacker and a bundler. Means

As a result of analyzing the time loss factor in the conventional stacker / bunler in order to realize the speedup of the stacker / bunler, the inventors of the present invention have found one of the following factors.

The processing speed of the stacker / bundle is affected by the processing capacity from the discharge of the nip rollers to the banding. In particular, from the small bundle collecting device 6 to the pusher 14
A large amount of processing time is required for stacking the small bundles extruded by the large bundle producing unit 7.

That is, the turntable 7a of the large bundle producing section 7
The small bundle already placed on the upper side is lifted by the carrier device 16, and the small bundle is sent to the lower side of the small table by the pusher 14 onto the turntable 7a, and the turntable 7a is rotated to reverse the small bundle. The small bundle held by the carrier device 16 is lowered and placed on the small bundle on the turntable 7a.

The time required to lift the small bundle on the turntable 7a by the carrier device 16 is T _UP ,
The time required to turn over the turntable 7a is T
_{Let rot} be the time required to move the carrier device 16 down again, and let T _down be the time required to _stack a predetermined number of signatures in the small bundle stacking device 6 excluding the temporary receiving time.

When the transport speed of the signature is increased, the time of T _stack is shortened, but roughly, T _{sta ck} is T _UP + T _rot.
It cannot be shorter than + T _down . That is, the processing speed of the signature is limited by the processing capacity of the large bundle producing section 7.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a stacker bundler capable of achieving high speed by eliminating the limitation of the large bundle producing portion of the processing capacity in the conventional stacker bundler apparatus.

[0017]

In order to achieve the above object, a stacker / bunler according to the present invention is provided with a signature transport device for transporting signatures in a state where they are horizontally shifted and overlapped, and a signature transport device on the signature transport device. And a stacking device that temporarily stops the flow of the signatures that are conveyed to form a gap in the flow of the signatures, and that receives the signatures that fall from the signature transport device and accumulates them to form a bundle of signatures. A stacking device, a pusher for pushing a stack of signatures stacked on the bundle stacking device out of the stack stacking device, and a bundle transport for receiving and transporting the stack of signatures pushed out from the stack stacking device by the pusher A stacking device that receives and presses the bundle conveyed by the bundle conveying device to bind the bundle, and the bundle stacking device receives and stacks a bundle of signatures that falls from the signature transporting device. Lifting platform to be installed and predetermined on the lifting platform A temporary receiving plate capable of advancing and retreating, which temporarily advances and temporarily receives the signatures falling from the signature conveying device when a plurality of signatures are accumulated and the elevator lowers, The elevating table is characterized by having a rotation mechanism capable of performing a half-rotation so that the folds of the signatures are in opposite positions when the number of copies of the signatures reaches a predetermined number.

It is preferable to provide an interlocking mechanism for interlocking the side plates with the forward and backward movement of the pusher so that the side plates for aligning the signatures accumulated on the elevating table do not hinder the forward and backward movement of the pusher. .

It is preferable that the side plate is movably supported and is opened and closed by the interlocking mechanism.

It is preferable to further include a lower backing paper feeding device for feeding backing paper to the lower surface of the bundle discharged from the bundle stacking device, and an upper backing paper feeding device for feeding backing paper to the upper surface of the bundle.

The lower backing paper supply device has a backing paper discharge port between the downstream end of the bundle conveying device and the binding device, and supplies the backing paper in accordance with the conveying speed of the bundle conveying device. Is preferably configured.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show the internal arrangement of the stacker / bunler according to the present embodiment.
Is a front view, FIG. 2 is a plan view, and FIG. 3 is a side view. In addition,
The same reference numerals are given to the same components including the conventional technique. In the stacker / bunler 1 according to the present invention, the signature conveying device 3, the severing device 4, the nip rollers 5, 5 ′,
Since the temporary receiving plate 15 and the binding device 8 are the same as the conventional ones, detailed description thereof will be omitted.

The stacker / bunler 1 according to the present invention is different from the conventional stacker / bunler 1 in that a small bundle is stacked and a large bundle is manufactured (a bundle stacking device) in a portion corresponding to the conventional small bundle stacking device.

Between the bundle collecting device 20 and the bundling device 8,
A bundle conveying device 21 composed of a belt conveyor is interposed. In the illustrated example, the signatures transported from the signature transporting device 3 are stacked on the bundle stacking device 20 and then perpendicular to the transport direction of the signature transporting device 3 (the direction from the back side to the front side in FIG. 1). It is configured to be conveyed in the direction (from the left side to the right side in the drawing of FIG. 1). With this arrangement, the pusher 14
Are arranged along the direction perpendicular to the transport direction of the signature transport device 3. Note that, even on the downstream side of the stacking and stacking device 20, it is also possible to adopt an arrangement configuration in which the stacking device 20 is transported in the same direction as that of the signature transporting device 3 as in the conventional case.

The elevating table 13 of the bundle stacking device 20 can be moved up and down by a hydraulic jack 13a, is rotatably supported, and can be rotationally driven by a motor 13b. The motor 13b is controlled to rotate the elevating table 13 by 180 ° and stop it so that when the bundle 9X of signatures reaches a predetermined number of copies, the folds of the signatures are at the opposite positions (reverse positions).

The side plate 13c arranged on the elevating table 13 for aligning the signatures accumulated on the elevating table 13 has an opening / closing mechanism and is opened when the pusher 14 is moved forward and subsequently retracted. It is controlled so as to maintain the closed state after retreating. The side plate 13c may be configured to be movable so as not to interfere with the forward and backward movement of the pusher when the pusher 14 is operated, and in addition to the opening and closing mechanism, for example, various forward and backward movement mechanisms such as a forward and backward movement with respect to the lift table 13 are possible. The mechanism of can be adopted. Although the side plate 13c is attached to the lifting table 13 in the illustrated example, it may be attached to a separate frame or the like (not shown) independently of the lifting table 13.

The bundle conveying device 21 conveys the bundle of signatures 9X pushed out from the elevating table 13 by the pusher 14 toward the binding device 8 arranged adjacent thereto. The conveyor belt 8b (FIG. 2) is also provided on the bundling table 8a of the bundling device 8, and receives the bunch sent from the bunch transport device 21 and stops the bunch at a predetermined position on the bundling table 8a. The stack of folded signatures is pressed and bound.

As shown in FIG. 1, the stacker / bunler 1 supplies a bottom paper feeding device 30 for supplying a bottom paper to the lower surface of the bundle discharged from the stack stacking device 20, and a top paper for the upper surface of the bundle. It further comprises an upper reliance supply device 31.

The lower reliance paper feeding device 30 includes a reliance paper 30a.
Of the plurality of sheets of paper, which are bundled and housed, a suction conveyance means 30c which adsorbs and takes out the backing paper 30a from the backing paper storage portion 30b, and a backing paper 30a which is sucked and conveyed by the suction conveyance means 30c. It has a pair of conveyor belts 30d and 30e for carrying the same. Conveyor belt 3
The transport ends of 0 d and 30 e, that is, the patch paper discharge port 30 f are formed between the downstream end of the bundle transport device 21 and the binding device 8. A detection means such as an infrared sensor is provided on the conveyance path of the bundle conveyance device 21 to detect the conveyance of the bundle, and the suction conveyance means 30c takes out the patch paper 30a from the patch paper accommodating section 30b based on the detection signal. Conveyor belt 30
1 and the bundle conveying device 2
Along with the transport speed of 1, the patch paper 30a is supplied from the patch paper outlet 30f.

As the upper reliance feeding device 31, a well-known reliance feeding device can be adopted, and the suction conveyance means 31b is based on the detection signal of the conveyance bundle by the sensor or the like.
Is operated, and the backing paper 31 is applied to the bundle on the binding table 8a from above.
supply a.

In this way, the bundle placed on the bundling table 8a is supplied with the binding paper on the upper and lower layers of the bundle, and then the binding band is hung.

The operation of the stacker / bunler having the above structure will be described below.

First, the signatures ejected from the signature conveying device are accumulated on the elevating table in the ascending position in the bundle accumulating device 20, and when the predetermined number of copies is reached, the severing device is activated and the signature conveying device is operated. The flow of signatures is temporarily stopped, the elevating table moves down, and the temporary receiving plate moves forward.

When the temporary receiving plate reaches the predetermined forward position, the severing device is released, the temporary receiving plate 15 receives the flow of the following signatures, and the signatures are stacked on the temporary receiving plate 15.

While the temporary receiving plate 15 is temporarily receiving the signature, the elevating table reaches the lowered position, is inverted, and then rises again. As the lifting table 13 moves upward, the temporary receiving plate moves backward, and receives the bundle of signatures temporarily received on the temporary receiving plate 15, and subsequently receives the flow of the signatures.

When a predetermined number of bundles of signatures are accumulated on the lift table 13 in this way, the lift table 13 moves down to a predetermined lower position, the side plate 13c opens, and the pusher 14 conveys the bundle of signatures in a bundle. Extruded onto device 21. The side plate 13c is
By opening, it can also serve as a guide for the bundle pushed by the pusher.

The bundle pushed out onto the bundle conveying device 21 is conveyed onto the bundling table 8a by the bundle conveying device 21. The detecting means detects the bundle conveyed on the bundle conveying device 21,
The lower backing paper supply device 30 operates, and the backing paper discharge port 30
The backing paper 30a is discharged from f together with the conveying speed of the signature bundle 9X, and the top backing paper feeding device 31 stops the backing paper 31a from above from the top of the bundle of signatures stopped on the binding table 8a.
Is supplied. After the patch paper 31a is supplied from above, the binding band is applied by the binding device 8.

In the stacker / bunler which operates as described above, the elevating table 13 of the bundle accumulating device 20 moves up and down and moves half a turn to accumulate a bundle of signatures, which are directly conveyed to the bundling table 8a. . Since the temporary receiving plate receives the flow of the signature while the lifting table 13 is being reversed, the time required for the lifting table 13 to be reversed can be offset.
The processing capacity of the bundler was greatly improved, and about 16 signatures could be collected per second.

[0039]

As is apparent from the above description, according to the stacker / bunler according to the present invention, the elevating table of the stacking and accumulating device for accumulating the signatures falling from the conveying device can be rotatably driven. Since the bundle of signatures is reversed by the reversing movement of (1), it is possible to improve the processing speed as compared with the conventional stacker bundler.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional front view showing an embodiment of a stacker / bunler according to the present invention, which corresponds to a view AA in FIG.

FIG. 2 is a cross-sectional plan view of the stacker bundler of FIG. 1, corresponding to BB view of FIGS. 1 and 3.

3 is a vertical cross-sectional side view of the stacker bundler of FIG. 1, corresponding to the view taken along line CC of FIG.

FIG. 4 is a vertical cross-sectional side view showing a conventional stacker bundler.

[Explanation of symbols]

1 Stacker Bandra 2 Press roller 3 signature transport device 4 severing device 5,5 'nip roller 8 binding device 8a binding table 9 signatures 9X bundle 10 Leading edge regulation member 11a pulley 11b regulation belt 12 Jogger 13 Lifting platform 13a hydraulic jack 13b motor 13c side plate 14 pusher 15 Temporary receiving plate 20 bundle collecting device 21 Bundle transport device 30 Lower reliance paper feeding device 31 Top reliance paper feeder

Claims (5)

[Claims] 1. A signature transport device for transporting signatures in a state where they are horizontally offset and overlapped with each other, and a flow of signatures temporarily stopped to prevent a flow of signatures transported on the signature transport device from leaving a gap in the signature flow. And a stack stacking device that receives and stacks signatures that fall from the signature transport device into a bundle of signatures, and a stack of signatures stacked on the bundle stacking device. A pusher that pushes out from the device, a bundle transport device that receives and transports the bundle of signatures that is pushed out from the bundle stacking device by the pusher, and a bundle that is transported by the bundle transport device and presses and binds the bundle. And a stacking device, wherein the stacking and stacking device includes a lift table for receiving and stacking a stack of signatures falling from the signature transfer device, and a predetermined number of copies of the stacker on the lift table. Drops from the signature transport device when descending And a temporary receiving plate that is capable of advancing and retracting the signature temporarily above the lift table to temporarily receive the signature, and the lift table includes a stack of signatures when the bundle of signatures reaches a predetermined number. A stacker / bundra characterized by having a rotation mechanism capable of performing a half-turn so that the folds of the claws are located at opposite positions. 2. An interlocking mechanism that interlocks the side plates in accordance with the forward / backward movement of the pusher so that the side plates for aligning the signatures accumulated on the elevating table do not hinder the forward / backward movement of the pusher. The stacker / bundra according to claim 1, wherein: 3. The stacker / bunler according to claim 2, wherein the side plate is supported so as to be openable and closable, and is opened and closed by the interlocking mechanism. 4. A lower backing paper feeding device for feeding backing paper to the lower surface of the bundle discharged from the bundle stacking device, and an upper backing paper feeding device for feeding backing paper to the upper surface of the bundle. The stacker / bundra according to claim 1, which is characterized in that. 5. The lower backing paper supply device has a backing paper outlet between a downstream end of the bundle conveying device and the binding device, and supplies the backing paper in accordance with a conveying speed of the bundle conveying device. The stacker and bundler according to claim 4, wherein the stacker and bundler are configured as follows.