JPH0646920Y2 - Printing paper extractor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of a printing paper extracting device applied to a rotary printing press.

(Prior Art) Conventionally, as a printing paper extracting device of this type, for example,
52-1203, JP 58-125560, JP 61-110
The one described in Japanese Patent No. 551 is known.

What is disclosed in Japanese Utility Model Laid-Open No. 52-1203 is a main body, a conveyer provided in the main body to convey the printing paper backward in a state of backward inclination, and a main body. Movable body, a guide claw that is provided on the movable body and can lift the printing paper that is being conveyed, and a printing paper that is mounted on the movable body and clamps the printing paper that is being carried is faster than the printing paper that is being conveyed. The main part is composed of a holding roller that can be pulled in and a guide that is provided in the movable body and that guides the drawn printing paper.

However, in such a case, there is a fear of causing a paper jam due to the fact that the printing paper being conveyed is not properly guided by the guide claws.

What is described in JP-A-58-125560 is a main body,
A conveyer provided on the main body for conveying the print paper backward in a backward-overlapped state, a movable body provided on the main body for moving backward (circulating) at a higher speed than the print paper being conveyed, and provided on the main body A push-up body (push-up conveyor) capable of pushing up the printing paper being conveyed and conveyed, a holding tool provided on the movable body for holding the pushed-up printing paper, and a printing paper held by the main body. The main part is composed of a guide (cover plate) for guiding.

However, in such a case, there is a fear that the printing paper pushed up by the push-up body may be bent or torn off because the printing paper is not properly held by the holding tool.

What is described in JP-A-61-110551 is a main body,
A conveyer that is provided in the main body and that can convey the printing paper backward in a backward tilted state, a movable body that is provided in the main body and that can move (swing) backward, and a printing paper that is provided in the main body and is being conveyed. And a guide claw that is provided on the movable body and that can receive the temporarily stopped printing paper, a holding roller that is provided on the movable body and that can hold and draw the received printing paper, and a movable body. The main part is composed of a guide that is provided in the guide and guides the drawn printing paper.

However, there is a fear that the printing paper, which is being conveyed, may bend due to the collision of the printing paper during transportation with the stopper and cause a paper jam.

(Problems to be solved by the invention) In view of the above problems, the present invention was devised to solve this problem, and the purpose of the invention is to be able to properly remove the printing paper. The present invention is to provide a printing paper extracting device adapted to do so.

(Means for Solving Problems) The printing paper extracting device of the present invention is provided with a main body, a conveyer which is provided in the main body and can convey the printing paper backward in a backward-overlapped state, and a main body. A movable body that can move backward at approximately the same speed as the printing paper inside, a push-up body that is provided on the main body and can push up the printing paper that is being conveyed, and a printing body that is provided on the movable body and that is pushed up A holding conveyer that can be drawn in at a higher speed than the printing paper being conveyed, and a pressing body that can push back the printing paper following the held printing paper provided on the main body onto the conveyance conveyor,
The feature is that it is composed of.

(Operation) The printing paper from the rotary printing press is conveyed rearward by the conveying conveyor in a state of backward stacking.

When the push-up body is operated, the printing paper being conveyed is pushed up.

The pushed printing paper advances at the same speed as the printing paper being conveyed, and is held by the holding conveyor.

When the printing paper is held by the holding conveyor, the movable body is moved backward at substantially the same speed as the printing paper being conveyed.

Therefore, the gripping conveyor and the printing paper held by it are in a substantially stationary state. Therefore, its full length is drawn.

Further, when the printing paper is sandwiched by the sandwiching conveyor, the pressing body is actuated and the printing paper following the sandwiched printing paper is pushed back onto the transport conveyor.

Therefore, the held printing paper is pulled in at a high speed by the holding conveyor, and the subsequent printing paper is pushed back onto the transport conveyor by the pressing body, so that the printing paper is removed instantly and Definitely done.

Further, the printing paper on the carrying conveyor including the printing paper pushed back by this fact is properly carried without being disturbed.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a vertical sectional side view showing a printing paper extracting device according to an embodiment of the present invention. FIG. 2 is a plan view in which a part is cut away.

The printing paper extracting device 1 is mainly composed of a main body 2, a conveyor 3, a movable body 4, a push-up body 5, a sandwiching conveyor 6, and a push-down body 7.

The main body 2 serves as a base body of the printing paper extracting device 1, and is provided at a stage subsequent to the rotary printing machine (not shown).

In this example, it is composed of left and right side plates 8 and an appropriate connecting member 9 for connecting them, and is installed on the floor surface.

The transport conveyor 3 is provided on the main body 2 and can transport the printing paper A backward in a state of backward tilt and superposition.

In this example, the horizontal and high-level front conveyor 10, the intermediate conveyor 11 which is continuously inclined gradually lower to this, and the horizontal and low-level rear conveyor 12 which are continuous to this, each conveyor is a belt. It's a conveyor.

Thus, in the conveyer conveyor 3, the printing paper A placed on the rear of the main body by the rotary drive machine 13 is, for example, about 50.9 m / min toward the rear (right side in FIG. 1). It is designed to move at the speed of.

The printing paper A is a newspaper in this example, and a large number of the printing papers A are arranged in a backward tilt polymerization state with the creases facing upward.

The movable body 4 is provided on the main body 2 and can move backward at substantially the same speed as the printing paper A being conveyed.

In this example, it is composed of the left and right side plates 14 and an appropriate connecting member 15 that connects them, and a rail 16 provided on the main body 2 and a roller 17 provided on the movable body 4 enable horizontal movement in the front-rear direction. It has become.

Thus, the movable body 4 is moved at a speed of about 50.9 m / min from the forward movement position shown by the solid line in FIG. 1 to the backward movement position shown by the chain line by the forward / backward movement cylinder 18 provided in the middle of the main body 2. Has been done by.

The push-up body 5 is provided on the main body 2 and can push up the printing paper A being conveyed.

In this example, the front conveyor rotatably supported by the main body 2
It is composed of a shaft 19 of a common roller for the intermediate conveyor 11 and the middle conveyor 11, left and right arms 20 having front ends fixed to the shaft, and rollers 21 rotatably mounted at their rear ends.

Thus, the push-up body 5 is moved up and down from the lowered position shown by the solid line in FIG. 1 to the raised position shown by the chain line by the lifting cylinder 22 provided in the middle of the main body 2.

The holding conveyor 6 holds the printing paper A, which is provided on the movable body 4 and pushed up, and can pull in the printing paper A at a higher speed than the printing paper A being conveyed.

In this example, the movable body 4 is provided with a first U-shaped conveyor 23 and a second conveyor 24, and a substantially U-shaped holding passage having an inlet on the lower front side and an outlet on the upper front side is formed.
Both conveyors are belt conveyors.

The nip conveyor 6 is designed to move the printing paper A sandwiched at the entrance toward the exit at a speed of about 305.4 m / min by the rotary drive 25 provided on the upper part of the movable body 4. ing.

The push-down body 7 is capable of pushing back the printing paper A, which follows the printing paper A sandwiched between the main body 2 and the transport conveyor 3, to the printing paper A.

In this example, a support shaft 26 rotatably provided on the main body 2 at a position above the push-up body 5 and in front of the sandwiching conveyor 3, and three push plates having front ends fixed at equal axial positions thereof. It consists of 27 and.

Thus, the push-down body 7 is designed to be moved up and down by the lifting cylinder 22 from the lowered position shown by the solid line in FIG. 1 to the raised position shown by the chain line, and is raised when the push-up body 5 is raised,
It is linked by the link 28 so that if it descends, it descends.

On the front side of the main body 2, there is provided a holding conveyor 29 which holds the printing paper A and which can be adjusted up and down. Presser conveyor
Reference numeral 29 denotes a belt conveyor, which is driven by the rotary driving machine 13 at the same speed as the transport conveyor 3.

A shock absorber 30 is provided on the rear side of the main body 2 to prevent and buffer the excessive rearward movement of the movable body 4.

On the front side of the movable body 4, there is provided a tray 31 for receiving the printing paper A from the outlet of the holding conveyor 6, and below the detection tray 31, a detection for detecting that the printing paper A is held by the holding conveyor 3 is detected. A container 32 is provided.

Below the movable body 4, there is provided a folding back conveyor 33 for returning the printing paper A when it is folded back by the pushing body and folded. This is a belt conveyor and has a rotary drive 25
Therefore, the lower side moves at a speed of about 119 m / min.

An air ejector 34 is provided at the rear part of the pressing body 7 for returning the printing paper A pushed back by the pressing body 7 when it is folded.

Next, the operation will be described based on such a configuration.

The conveyor 3 and the presser conveyor 29 are operated by the rotary drive 13 so that the printing paper A from the rotary printing machine is conveyed backward in a state of backward tilt superposition.

At this time, the movable body 4 is in the forward position shown by the solid line in FIG. 1, the push-up body 5 and the push-down body 7 are in the lowered position shown by the solid line in FIG.
Are operated in respective predetermined directions by the rotary drive machine 25.

Thus, when removing the print paper A being conveyed for inspection, the inspection operator sends a removal command to raise and lower the cylinder 22.
Therefore, the push-up body 5 and the push-down body 7 are brought to the raised positions shown by the chain line in FIG. 1, respectively.

In this case, a fold of the printing paper A is detected by a detector (not shown) provided in the vicinity of the front conveyor 10 of the transport conveyor 3, and the fold of the printing paper A is raised in good timing based on this information.

When the push-up body 5 rises, the printing paper A being conveyed is pushed up, and at the same time the push-down body 7 rises, so that the entrance of the sandwiching conveyor 6 is opened.

The printing paper A pushed up advances at the same speed as the printing paper A being conveyed, and is held at its entrance by the holding conveyor 6.

When the leading edge of the printing paper A is held at the entrance of the holding conveyor 6, the detector 32 detects this and the movable cylinder 4 is moved by the forward / backward moving cylinder 18 at the same speed as the printing paper A being conveyed. Moved backward to the reverse position indicated by the chain line, and the shock absorber 30
It is buffered and stopped by.

Therefore, the holding conveyor 6 and the printing paper A whose leading end is held by the holding conveyor 6 are in a stationary state, and in such a state, the printing paper A whose leading end is held by the holding conveyor 6 is the printing paper being conveyed. The entire length of the holding conveyor 6 is drawn by the holding conveyor 6 which is operated at a higher speed than A, and the paper is discharged from the outlet onto the tray 31.

The reason why the movable body 4 is moved at approximately the same speed as the printing paper A being conveyed is that the printing paper A to be taken out is being carried together with the other printing paper A by the carrying conveyor 3 and that it should be taken out. In consideration of the fact that the printing paper A has a predetermined length, from the time when the leading edge of the printing paper A is held by the holding conveyor 3 until the entire length thereof is pulled in, that is, the printing paper A is held by the holding conveyor 3. This is because it is necessary to move the inlet of the sandwiching conveyor 3 in accordance with the printing paper A being conveyed from the beginning to the end of being sandwiched. If this is not done, the entrance of the holding conveyor 3 becomes immobile, and the latter half of the printing paper A whose leading end is held at the entrance of the holding conveyor 3 due to the speed difference between this and the printing paper A being conveyed. The printing paper A cannot be removed by bending.

Further, the printing paper A is held by the holding conveyor 6 and the detector is detected.
When 32 detects this, the lift cylinder 5 is moved by the lift cylinder 22.
Then, the pressing body 7 is returned to the original position.

Then, the printing paper A following the held printing paper A is pushed back onto the transport conveyor 3 by the pressing body 7 in particular.

At this time, since air is ejected from the air ejector 34 and the folding-back conveyor 33 is operated at a higher speed than the printing paper A being conveyed, the printing paper A pushed back is temporarily folded. Is also returned to a straight state.

Therefore, the held printing paper A is pulled in at a high speed by the holding conveyor 6, and the subsequent printing paper A is pushed back onto the conveyor 3 by the pressing body 7, so that the printing paper A The sampling is instantaneously and surely performed.

Further, the printing paper A on the carrying conveyor 3 including the printing paper A pushed back by this fact is properly carried without being disturbed.

When the push-up body 5 and the push-down body 7 are returned to the original position, the movable body 4 is returned to the original position by the longitudinal cylinder 18.

Then, the paper inspector picks up the printing paper A discharged onto the tray 31 and inspects the printing state and the like.

The printing paper A discharged onto the tray 31 is usually several copies.

In the above embodiment, the printing paper extracting device 1 extracts only a few copies of the printing paper A, but the present invention is not limited to this, and a large number of printing papers corresponding to a splicing part may be extracted. Alternatively, it may be used as a so-called paper splicing printing paper discharging device.

Although the main body 2 is composed of the side plate 8 and the connecting member 9 in the previous embodiment, the main body 2 is not limited to this and may have another structure, for example.

Although the conveyor 3 is composed of three conveyors in the above embodiment, it is not limited to this and may be composed of two or less conveyors or four or more conveyors.

In the previous embodiment, the conveyor 3 was inclined in the middle thereof, but the present invention is not limited to this, and the entire conveyor may be horizontal or inclined.

Although the movable body 4 is horizontally moved in the front-rear direction in the above-described embodiment, the movable body 4 is not limited to this and may be swung rearward and upward, for example.

The push-up body 5 includes the shaft 19, the arm 20, and the roller in the previous embodiment.
Although it is configured with 21, the roller 21 is not limited to this, and for example, the roller 21 may be omitted, or the roller 21 may be replaced by a belt conveyor or a roller conveyor.

In the push-up body 5, the roller 21 is the idle wheel in the previous embodiment, but the push-up body 5 is not limited to this, and the roller 21 may be rotationally driven, for example.

Although the sandwiching conveyor 6 has a substantially U-shaped sandwiching passage in the above-described embodiment, the sandwiching conveyor 6 is not limited to this and may be, for example, a straight type.

In the previous embodiment, the push-up body 5 and the push-down body 7 oscillate vertically, but the push-up body 5 and the push-down body 7 are not limited to this.

Although the push-down body 7 is operated by the elevating cylinder 22 in the above embodiment, the push-down body 7 is not limited to this, and may be operated by another driving machine, for example.

The transfer conveyor 3, the holding conveyor 6, and the pressing conveyor 29 are
Although the belt conveyor is used in the above embodiment, the present invention is not limited to this, and a roller conveyor may be used, for example.

The pressing conveyor 29, the folding conveyor 33, the air ejector 34,
Although they are provided in the previous embodiment, they are not limited to these, and they may be omitted, for example.

(Effect of the Invention) As described above, according to the present invention, the following excellent effects can be achieved.

(1) It is composed of a main body, a conveyer, a movable body, a push-up body, a holding conveyor, and a pressing body. Especially, since the pressing body is provided, the printing paper can be extracted properly.

(2) Since the pressing body is provided, the printing paper on the transport conveyor is not disturbed even after the removal.

(3) Since the holding conveyor is provided, the removed printing paper is not contaminated.

In other words, in the case of the conventional type, the printing paper slides on the guide claws and the guides, which may result in stains.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a printing paper extracting device according to an embodiment of the present invention. FIG. 2 is a plan view in which a part is cut away. 1 ... Printing paper removing device 2 ... Main body 3 ... Conveyor 4 ... Movable body 5 ... Pushing body 6 ... Clamping conveyor 7 ... Pushing body

Claims (1)

[Scope of utility model registration request] 1. A main body, a conveyer provided on the main body to convey the printing paper backward in a state of rearward overlap, and a conveyor provided on the main body to move backward at substantially the same speed as the printing paper being conveyed. A movable body, a push-up body provided in the main body for pushing up the printing paper being conveyed, and a holding conveyor capable of holding the printing paper pushed up by the movable body and retracting at a higher speed than the printing paper being conveyed. And a pressing body that is provided in the main body and that can push back the printing paper following the held printing paper onto the transport conveyor, the printing paper extracting device.