JPH0597316A - Belt board for printing paper transfer and printing paper transfer method - Google Patents

Abstract

(57) [Abstract] [Purpose] To obtain an apparatus and method capable of taking out only a printing paper from a paper ejection device unit at a constant number of sheets without removing a board. [Structure] An air table 1 and a free-rotating roller 2 provided at opposite ends of the air table 1 and a slidable belt 3 stretched so as to cover the air table and the roller. It is characterized in that a part of is fixed and the air table is moved. [Effect] It is possible to stack the printing paper on the belt and transfer only the stacked printing paper to another device without disturbing the falling printing paper.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet-fed rotary printing press which prints out a printed sheet printed by a sheet-fed rotary printing press without using a plate cutting means and transfers it to another arbitrary device. The present invention relates to a belt board used for a printing paper transfer machine and a printing paper transfer method using the belt board.

[0002]

2. Description of the Related Art A conventional method for taking out printed paper (hereinafter, referred to as printing paper) from a paper discharge device of a sheet-fed rotary printing press is usually carried out without sticking to prevent set-off of ink.
It is called board removal, and a board and a frame are used every certain number of sheets so that the printing paper does not overlap more than a certain number. But,
This plate removing operation becomes more difficult as the printing speed becomes faster, and the work becomes heavy labor as the plate size increases, and a new system that does not require this plate removing operation has been demanded.

Further, when the plate removing operation is performed, it is necessary to dry the ink, remove the plate and the frame, and then stack the printing papers. This bar stacking operation simultaneously includes various processing steps such as butting, reversing, and powder removal. After the stacking work is completed, there is a lot of miscellaneous work such as the work of transporting the removed plates and pieces, which hinders the automation of the post-treatment process of the printing paper.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an apparatus and a device which can take out only a printing paper from a paper ejecting device unit every predetermined number of sheets without plate cutting. An object of the present invention is to provide a printing paper transfer method using a device.

[0005]

A printing paper transfer belt board according to the present invention for solving the above problems includes an air table 1 and free rotating rollers 2 provided at opposite ends of the air table. It is characterized by comprising one slidable belt 3 stretched so as to cover the air table and the rollers.

Further, the method of the present invention for solving the above-mentioned problems uses the above-mentioned belt board to receive a certain number of printing papers which are dropped in a paper ejection device of a sheet-fed rotary printing press and take them out from the paper ejection device. In the method of transferring to the apparatus of, when bringing the belt board to the printing paper receiving position, after fixing a part of the belt on the front side by the fixing means,
Moving the air table to the print paper receiving position and bringing the belt board to the print paper receiving position with the horizontal movement of the belt contacting the print paper eliminated, and a belt board with a certain number of print paper accumulated To the next process position, transferring the printing paper on the belt board to another device, and waiting the empty belt board for receiving the next printing paper. It is characterized in that the above steps are repeated using a board.

As the belt, any belt having a smooth surface and flexibility may be used, and rubber, a braided fiber, a rubber-like one, steel, or the like can be used. As means for fixing a part of the belt, suction means, for example, vacuum sucker connected to an air pump can be used. Further, as the belt board moving means, a lift truck that moves up and down and a robot arm can be used.

[0008]

Since the present invention uses the belt board having the slidable belts on the front and back sides of the air table to receive the falling printing paper in the paper discharge device, a part of the front side belt is used. By fixing and pressing the air table to the printing paper receiving position with timing, the front side belt of the belt board that is in contact with the back side of the falling printing paper has no horizontal movement. Only the movement from the bottom to the top at the front end of the direction of travel of the belt board is almost stopped when it comes into contact with the printing paper, so it is possible to receive the printing paper without hindering the normal fall of the printing paper. Moreover, since only the pile of printing paper on the belt board (hereinafter referred to as stack) can be transferred to another device, the printing paper can be discharged without using the plate and the frame for removing the plate. Can be transferred from the device unit to another device receives every predetermined number.

[0009]

The present invention will be described in detail below with reference to the drawings showing the embodiments. FIG. 1 is a configuration diagram showing a front surface of a printing paper transfer machine to which a belt board according to the present invention is applied. The belt board 1 is at a position for receiving the printing paper, and the belt board is not fixed and can move on the guide rail 2 shown by a chain double-dashed line. As shown in FIGS. 2 and 3, the belt boards 1 and 10 include an air table 4 having air blowing holes 3 on the upper surface thereof, and a rubber belt 5 having smooth and flexible surfaces on the upper and lower surfaces thereof. It is slidably wound around the upper surface and the lower surface. Rollers 6 are provided at the front and rear ends of the air table so that the rubber belt can slide easily. In the position shown in FIG. 1, the belt board 1 has a plurality of guide rollers 7 and 8 provided on its side edges and a guide roller mounting block 9 supported by guide rails 2 on both sides of the belt board and slightly below. Is held.
The side jogger 11 is interlocked with the paper discharge device 12 of the printing machine and plays a role of aligning the sides of the printing paper. In the figure, the printing paper is shown to be several centimeters high. That is, the side jogger 11 is sufficiently lowered to prevent the paper in the lower portion of the printing paper accumulated by the contact of the belt board 1 on this side surface from slipping out from between the side jogger 11 and the belt board 1. The printing paper auxiliary support 14 supports the end of the printing paper for a short time so that the leading end of the belt board 1 does not collide with the end of the printing paper when the belt board 1 enters the printing paper receiving position. Is. This printing paper auxiliary support 14 is pivotally supported at the upper end,
It may be configured such that it is rotated by a suitable means such as a solenoid or an air cylinder between a position that supports the end of the printing paper and a position that does not support it, or that the printing paper is moved in and out in the horizontal direction. The shape may be a hook-shaped rod body, a plate body, or a roller shape. Then, it is preferable to automatically perform it in accordance with the timing of the paper discharge device, as in the case of inserting the belt board.

The guide rail 2 extends to the right in FIG. 1, and a drive device 21 for moving the belt board 1 along the guide rail 2 is provided above the guide rail 2. The driving device 21 engages with the shaft ends (FIG. 2) of the rollers 6 protruding on both sides of the belt board 1 to push the belt board leftward, the pusher guide 16 for guiding the pusher, and the pusher 15 It is composed of a motor 17 for causing the vehicle to travel along the pusher guide 16. At the lower end of the pusher 15, a fork 18 that engages with the protruding portion on the side of the belt board is attached. A plurality of air cylinders 20 with a sucker 19 for fixing the front belt of the air table are attached to the left end of the pusher guide 16. This soccer 19
The operation will be described later in the description of the operation of the paper ejection transfer machine. In FIG. 1, the belt board 10 is in a position where the stack S of printing paper is placed and lowered.

The elevating carriage 22 is constructed so as to travel on an elevating carriage base 23 via wheels 24 by a drive device (not shown), and a pedestal 25 is vertically moved up and down by a link mechanism 26. The pedestal 25 is provided with an engagement convex portion 28 that engages with the engagement concave portion 27 of the block 9 of the belt board 1, and with the engagement concave portion and the engagement convex portion engaged,
The belt board 1 is lifted or lowered by the lift truck 22.

Next, the guide rail 2 and the belt board 1
The relationship (10 is the same) will be described with reference to FIGS. On a pair of guide rails 2 and 2 having an L-shaped cross section, which are installed in parallel with an inner dimension L larger than the width of the belt board 1, guide rollers 7 and 8 provided on the side of the belt board are vertically arranged. Notches 30 and 31 that can pass through
There are two sets of four each. 1 set (right side of Fig. 4)
Is for passing the belt board 1 or 10 up from the lower side of the guide rail and placing it on the guide rail, and the other set (left side) is a notch required when lowering from the guide rail. FIG. 5 is a sectional view taken along the line I-I of FIG. 4, in which the guide roller 7 completely passes through the notch 30 and the guide roller 8 completely passes through the notch 31. From this state, the belt board 1 is shown in FIG.
When the belt board 1 is moved a little to the left, the belt board 1 is placed and positioned on the guide rail in a stable state. The guide rollers 7 and 8 are regulated by the roller lateral guide 32 so that they do not come off.

Next, the operation of the paper discharge transfer machine will be described with reference to FIGS. In FIG. 6, the belt board 1
A certain number of printing papers are accumulated on the upper surface of the stack S to form a stack S. Until this state, the belt board 1 is interlocked with the paper discharging device of the printing machine and at a constant speed according to the paper discharging speed. It is supported by the descending board holder 33 and gradually descends. Further, the next belt board 10 is waiting for entering the print paper receiving position. Then, in order to fix the belt of the belt board, the sucker 19 sucks and fixes the belt.

FIG. 7 shows a state in which the next belt board 10 is pushed by the pusher 15 and starts to enter the printing paper receiving position. Before the belt board 10 starts to enter, the printing paper auxiliary support 14 operates to support the end portion of the printing paper, and the belt board 10 surely enters under the printing paper. And the belt board 10
When the leading edge of the printing paper reaches almost the center of the printing paper, the printing paper auxiliary support is released backward. Also, the engaging protrusion 2 of the lift truck
8 engages with the engaging recess 27 of the belt board 1, and the belt board 1 is supported by the lift truck 22. Figure 8
Has brought the belt board 10 to the printing paper receiving position and is starting to receive the printing paper. In addition, the board holder 33 that is connected to the paper discharge device of the printing machine and operates in conjunction with it continues to descend,
The belt board 1 is completely separated from the guide rollers 8 on the belt board, and the belt board 1 is at the traveling start height by the lift truck 22. In FIG. 9, the lifting cart 22 travels with the belt board 1 and the stack S mounted thereon, and reaches the position where the stack should be transferred to the next device 13. The soccer 19 is still in the operating position.

In FIG. 10, the belt jog 11 is operated by letting the side jogger 11 escape upward, and then operating the pusher 15.
To the left to move the belt board 10 to the guide rail 2
It shows the state brought to a position where it can descend downward from. At this time, the belt board 10 is held by the board holder 33. Then, as shown in FIG. 11, the pusher 15 having the soccer 34 and the paper feed pusher 35 at the lower end is separated from the belt board 10 and moved to the rear end of the belt board 1, and the soccer 34 attracts the belt 5,
The paper feed pusher 35 is in contact with the rear side surface of the stack S and is ready to start transferring the stack to another device 13 which is the next station. At this time, the air table 4 of the belt board 1 is fixed, only the belt 5 is rotated by the pusher 15 and the sucker 34, and only the stack thereon is transferred. At this time, the football 19 is separated from the belt.

FIG. 12 shows the stack S by the pusher 15.
Has been transferred to a predetermined position of the other device 13 and has been transferred. FIG. 13 shows a state in which the traveling carriage 22 is slightly retracted to the left from the state of FIG. 12 and then the empty belt board 1 is lifted and placed on the guide rail 2 which is schematically shown by a two-dot chain line. FIG. 14 shows a state in which the pedestal 25 of the lift truck 22 is lowered and the pusher 15 is attached to the belt board 1 by the fork 18 provided at the lower end thereof. FIG. 15 shows a state in which the lift truck 22 has traveled to a position for receiving the belt board 10. FIG. 16 shows a state in which the soccer 19 sucks and fixes the belt 5 of the belt board 1, and the pusher 15 starts pushing the belt board 1 to the printing paper receiving position.

[0017]

The paper discharge transfer machine according to the present invention does not use plates and frames, that is, it takes out a fixed number of print paper from the paper discharge device of the printing machine and transfers it to another device without removing the plate. As a result, the discharged printing paper can be automatically transferred to various post-processing steps.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a printing paper transfer machine according to the present invention.

FIG. 2 is a side view of a belt board used in the printing paper transfer machine of the present invention.

FIG. 3 is a sectional view of a belt board.

FIG. 4 is a plan view of a guide rail for guiding the belt board of the printing paper transfer machine according to the present invention.

5 is a cross-sectional view taken along line I-I in FIG.

FIG. 6 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 7 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 8 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 9 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 10 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 11 is a view for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 12 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 13 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 14 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 15 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

FIG. 16 is a diagram for explaining the operation of the printing paper transfer machine according to the present invention.

[Explanation of symbols]

1 belt board, 2 guide rails, 3 air outlet holes, 4 air table, 5 rubber belts,
6 rollers, 7 guide rollers, 8 guide rollers,
9 Guide roller mounting block, 10 Belt board, 11 Side jogger, 12 Paper ejection device, 13
Other devices, 14 printing paper auxiliary support, 15 pusher, 16 pusher guide, 17 motor,
18 forks, 19 soccer, 20 air cylinder, 21 pusher 15 drive device, 22 lift truck, 23 lift truck base, 24 wheels, 25
Cradle, 26 link mechanism, 27 engaging recess,
28 engaging protrusions, 30 notches, 31 notches,
32 roller side guide, 33 board holder, 34
Soccer, 35 paper feed pushers, S stack

Claims (2)

[Claims] 1. An air table, a free-rotating roller provided at opposite ends of the air table, and a slidable belt stretched so as to cover the air table and the roller. Belt board for printing paper transfer. 2. A fixed number of sheets of printing paper received in a sheet discharging device of a sheet-fed rotary printing press using a belt board composed of one slidable belt stretched to cover the front and back of an air table. A method of picking up from the paper discharge device and transferring to another device, when bringing the belt board to the print paper receiving position,
After fixing a part of the belt on the front side by the fixing means, move the air table to the print paper receiving position and move the belt board to the print paper receiving position while eliminating the horizontal movement of the belt on the side in contact with the print paper. The step of bringing, the step of moving the belt board on which a certain number of printing paper has accumulated to the position of the next step, the step of transferring the printing paper on the belt board to another device, and the empty belt board to the next printing paper. A printing paper transfer method comprising the steps of waiting for receipt and repeating the above steps using a plurality of belt boards.