JPH11106128A - Folded product sorting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically sort set products delivered, for each specified number of sheets, from a folding device onto a folding conveyor. SOLUTION: A folded product sorting device comprises a folding device and a sheet retaining device. The folding device comprises a swing shooter 5 which swigs a continuous sheet 1 with folds provided beforehand in lateral direction, right and left screws 10a and 10b which fold down zigzag the continuous sheet swung by the swing shooter in lateral direction along the folds, a cutting means which cuts the continuous sheet for each specified number of folding sheets, and a folding conveyor 11 which feeds the folding sheet folded by the screws in one of the folding directions. The sheet retaining device comprises a sheet retaining plate 13 of which top end is opposed to the lower surface of the screw 10a positioned on the upstream side from the feeding direction of the folding conveyor and an energizing means which energizes the sheet retaining plate to the lower surface side of the screws and of which energizing action is made in synchronous with the action of a cutting means in the folding device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folded product sorting apparatus used in a folding apparatus which folds a printed continuous sheet in a zigzag form, cuts a predetermined number of sheets, and discharges the folded product as a folded product. It is.

[0002]

2. Description of the Related Art As an example of the folding device, there is, for example, a folding device disclosed in Japanese Patent Application Laid-Open No. 9-76460.
This folding device is configured as shown in FIG. 1, and has a paper traveling path 2 for traveling at a constant traveling speed a continuous paper 1 that has been folded at a processing section and has horizontal perforations processed at intervals in the vertical direction;
A swivel chute 5 having a receiving roller 3 and a nozzle roller 4 at its leading end, which is driven to rotate at a peripheral speed higher than the paper traveling speed, and swings right and left through the continuous paper 1 between the rollers 3 and 4; On the upstream side of the swing shooter 5, a full-blade type cutting blade that operates by detecting a predetermined mark by the mark sensor 6 and cuts in the width direction while leaving a small seam on the continuous paper 1 is protruded. At the same time, there is provided a cutting cylinder device 7 that rotates in synchronization with the traveling speed of the continuous paper 1 and performs the above-described slitting operation based on a signal detected according to a predetermined traveling length of the continuous paper. The nozzle roller 4 is pressed against the receiving roller 3 with a pressing force enough to slide the continuous paper 1 between the receiving roller 3 and the receiving roller 3, and the continuous paper 1 is pressed between the first position and the receiving roller 3. Press without slipping When the cut portion of the continuous paper 1 by the cutting cylinder device 7 comes to the position just before the upstream side of the nozzle roller 4, the nozzle roller 4 is moved to the swinging shooter 5. By operating the cylinder device 8 at the second position, the continuous paper 1 is cut.

The continuous paper 1 ejected in a zigzag manner by the swinging shooter 5 is divided into the brushes 9a and 9b and the screw 1 provided on both sides of the swinging shooter 5 in the swinging direction.
The folds are held down at 0a and 10b and the folding conveyor 1
1 and can be folded and stacked.

The folding conveyor 11 travels in one of the swinging directions of the swinging shooter 5, and is conveyed to one side while being stacked in a predetermined number as shown in FIG.

[0005]

In the above-mentioned conventional folding device, there is no device for clearly separating the set products on the folding conveyor 11 according to the cutting position after cutting. Therefore, the feed speed of the conveyor 11 and the By adjusting the inclination angle in the feeding direction, as shown in FIG. 1, the set product was displaced in a sashimi shape and discharged.

[0006] Such a set product in the form of a stain cannot be directly transferred to the next process to a cutting machine or the like, and it is necessary to sort the set product by hand and then to flow to the next process one set at a time. And the work efficiency was poor.

The present invention has been made in view of the above, and after cutting a sheet, automatically obtains a set product sorted on a folding conveyor one by one and eliminates manual sorting to proceed to the next step. It is an object of the present invention to provide a folded product sorting apparatus capable of unmanned conveyance of a folded product.

[0008]

In order to achieve the above-mentioned object, a folded product sorting apparatus according to the present invention comprises a swinging shooter for swinging continuous paper provided with a fold in advance, and a swinging shooter for swinging. Left and right screws that fold the continuous paper that has been shaken in a zigzag shape along the folds, cutting means that cuts the continuous paper with a predetermined number of folds, and folds the folded paper folded out of the screw in the folding direction. A folding device comprising a folding conveyor for transporting in one direction, a sheet holding plate having a front end facing the lower surface of the screw, and a sheet holding plate below the screw located upstream of the folding conveyor in the direction of conveyance; and The plate is urged to the lower surface side of the screw, and the urging means is configured to perform this urging action in synchronization with the operation of the cutting means in the folding device. It has a configuration comprising a that the paper hold-down device.

The urging means urges the sheet pressing plate so as to lightly hold the folded sheet folded down to the lower side of the screw, and releases the holding operation based on a signal of cutting the sheet by the folding device. The paper holding plate is operated in the direction in which the sheet presses.

[0010]

[Operation] A continuous sheet provided with a fold in advance is folded in a zigzag shape along the fold by a folding device, and is conveyed onto a folding conveyor from below the screw. At this time, since the sheet pressing plate of the sheet pressing device is urged by the urging means and opposed to the lower surface of the screw located on the upstream side in the conveying direction of the folding conveyor, the sheet is discharged from the screw on the upstream side. The folded paper is held between the screw and the paper holding plate. The folded sheets at this time are not conveyed by the folding conveyor, and the upstream end is stacked between the screw and the sheet pressing plate.

When the continuous sheet is cut by the folding device, the urging operation of the urging means is released in conjunction with the cutting operation, and the sheet pressing plate is lowered, so that the screw is held between the screw and the sheet pressing plate. , The folded sheets stacked substantially vertically are conveyed on the folding conveyor as they are.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIG. In this embodiment, members having the same configurations as those of the above-described conventional technology are denoted by the same reference numerals, and description thereof is omitted.

On one side of the swinging direction of the swinging shooter 5,
The screw 10a is located below the screw 10a located on the upstream side (left side) of the folding conveyor 11 in the traveling direction.
A sheet pressing device 12 is provided to face the lower surface of the sheet.

The paper presser 12 has a paper presser plate 13 having a front end face facing the lower surface of the screw 10a, and a parallel link having a parallel link structure for supporting the paper presser plate 13 so as to be able to move vertically. The link mechanism 14 includes a paper holding cylinder 15 which is connected to one rotating arm 14a of the elevating link mechanism 14 and is operated by air pressure for rotating the same in the elevating direction. As shown in FIGS. 3 and 4, the upper portion of the paper pressing plate 13 is disposed between the folding conveyors 11 composed of a plurality of belts so that the paper holding plate 13 can be moved up and down without interfering with the folding conveyors 11. Has become. Reference numeral 16 denotes a support frame.

When the paper press cylinder 15 is extended, the paper press plate 13 rises and comes into contact with the lower surface of the screw 10a.
Is operated in the elongating direction at a low pressure at all times during the sheet folding operation, and when the continuous sheet 1 is cut by the nozzle roller 4, the pressing cylinder 1
5, the paper pressing plate 13 is lowered below the upper surface of the folding conveyor 11.

In the above configuration, the continuous paper 1 is swung right and left by the swing of the swinging shooter 5, and
a, 9b, it is sandwiched between the screws 10a, 10b, folded along the horizontal perforations processed in advance in the processing section, and discharged sequentially below the screws 10a, 10b.

At this time, since the sheet pressing plate 13 is lightly in contact with the lower surface of the screw 10a on the upstream side (left side) of the folding conveyor 11 in the conveying direction, the screw 10a moves downward on the upstream side in the conveying direction. The discharged folded sheet is successively sandwiched between the screw 10a and the sheet pressing plate 13, and as the amount of sandwiching increases, the sheet pressing plate 13 descends while maintaining a constant pressing force. . As described above, the upstream side of the folding conveyor 11 for the folded and discharged sheets is supported by the sheet pressing plate 13 and does not contact the folding conveyor 11, so that the folded sheet is Are not conveyed by the folding conveyor 11 and are sequentially stacked on the spot in a vertically folded state.

The continuous paper 1 is folded over a predetermined number of sheets, and a mark printed on the continuous paper 1 is detected by the mark sensor 6, so that the cutting cylinder device 7 operates to cut the continuous paper 1. A cut is made, then
When this cut has moved to just before the nozzle roller 4 of the swinging shooter 5, the cylinder device 8 operates, and the nozzle roller 4 rotating at a peripheral speed higher than the running speed of the continuous paper 1 is moved to the receiving roller 3 side. The continuous paper 1 is pressed and cut at this portion.

The continuous paper 1 is cut as described above,
The cut last part is the top sheet of the set product,
When the uppermost sheet rides on the upper surfaces of the screws 10a and 10b, the press cylinder 15 shortens and the paper press plate 1
3 descends until the upper surface thereof is located below the upper surface of the folding conveyor 11, and releases the set product. As a result, the set products are placed on the folding conveyor 11 and transported by the folding conveyor 11 in a state of being stacked substantially vertically.

When the set product is moved by the folding conveyor 11 and comes off the lower side of the screw 10a on the upstream side, the paper holding cylinder 15 is extended and the paper holding plate 1 is extended.
3 rises, and the folding paper is again clamped with the screw 10a (FIG. 2). At this time, the top sheet of the set product that has begun to move on the folding conveyor 11 is:
The screws are discharged from the screws 10a and 10b, overlap the products, and the last sheet of the next set product is the screw 1
The last sheet is clamped between the lower surface of the screw 10a and the sheet pressing plate 13 which has been discharged from the lower side of the screw 10a.

Next, the set product is transferred to the screw 10 on the upstream side.
2A, the preceding set product continues to move, and finally reaches the folding conveyor 11 as shown in FIG.
To the downstream side, and are completely separated as one set of set products.

In each of the above operations, the cutting timing of the nozzle roller 5 and the operation timing of the sheet pressing plate 11 after the mark sensor 6 detects a mark are as shown in FIG.

[0023]

According to the present invention, the folded sheets which are folded in a zigzag manner by the folding device and discharged are stacked substantially vertically below the folding device and cut into a predetermined number of sheets. It is transported on the folding conveyor in the folded state. Therefore, it is possible to automatically obtain the set products that are sorted one by one on the folding conveyor, and it is possible to eliminate the manual sorting and to make the conveyance of the next process unmanned.

[Brief description of the drawings]

FIG. 1 is a schematic structural explanatory view of a conventional folding device.

FIG. 2 is a front view showing a main part of the embodiment of the present invention.

FIG. 3 is a view taken in the direction of arrows AA in FIG. 2;

FIG. 4 is a view taken in the direction of arrow B in FIG. 2;

FIG. 5 is a timing chart showing operation timings in the embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Continuous paper, 2 ... Paper running path, 3 ... Receiving roller, 4 ...
Nozzle roller, 5: Swing shooter, 6: Mark sensor, 7: Cut cylinder device, 8: Cylinder device, 9a, 9b
... Shift, 10a, 10b ... Screw, 11 ... Folding conveyor, 12 ... Paper holding device, 13 ... Paper holding plate, 1
4 lifting link mechanism, 14a rotating arm, 15 paper holding cylinder, 16 support frame.

Claims (2)

[Claims] 1. A swinging shooter for swinging continuous paper provided with folds in advance and left and right, and a left and right screw for bending continuous paper shaken left and right by a swinging shooter in a zigzag shape along the folds. A cutting device for cutting continuous paper with a predetermined number of folded sheets, a folding conveyor for conveying the folded paper folded out of the screw in one direction in the folding direction, and an upstream in the conveying direction of the folding conveyor. Below the screw located on the side of the screw, a paper pressing plate whose tip is opposed to the lower surface of this screw, and this paper pressing plate is urged to the lower surface side of the screw, and this urging action is cut by the folding device. And a biasing means synchronized with the operation of the means. 2. The urging means urges a sheet pressing plate so as to lightly pinch a folded sheet to be folded to the lower side of the screw, and releases the pinching operation based on a sheet cutting signal from the folding device. 2. The folded product sorting apparatus according to claim 1, wherein the paper pressing plate is operated in a direction in which the folded product is moved.