JP2003095473A - Sheet material carrying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet material carrying device capable of holding a sheet material on a plate and easily moving the sheet material on the plate. SOLUTION: In an automatic exposure device 10 of a printing plate 12, the printing plate 12 is carried by bringing a contact part 70 into contact with the printing plate 12 on a plate feeding guide 20 by rotating a carrying roller 24. By arranging a carrying roller 24 at a rotation position opposite to the contact part 70 on the printing plate 12 on the plate feeding guide 20, moving of the printing plate 12 is hindered by frictional force between the printing plate 12 and the contact part 70. As a result, the printing plate 12 can be held on the plate feeding guide 20. By arranging the carrying roller 24 at a rotation position opposite to a non-contact part 68 on the printing plate 12 on the plate feeding guide 20, moving of the printing plate 12 is not hindered. As a result, moving of the printing plate 12 on the plate feeding guide 20 can be facilitated.

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a sheet material conveying apparatus that conveys a sheet material. [0002] Printing plate exposure apparatuses include sheet-like marks.
Printing plates (for example, so-called photopolyplates and thermal plates)
G) Image-forming layer on the support (photosensitive layer, emulsion surface)
Recording (exposure) images directly with a laser beam, etc.
Has been developed. This printing plate exposure apparatus is, for example, a plate-shaped plate.
With a plate, a punch, and an exposure unit.
A punch part and an exposure part are arranged on one end side,
H and the exposure unit are arranged in the vertical direction. This
Now, when the printing plate is placed on the plate,
Transport the printing plate to the punch with the end facing the punch
The punching process is performed on the printing plate at the punch section.
Punch holes. Furthermore, the punching process has been completed.
After returning the printing plate to the plate, rotate the plate.
The plate with one end of the plate facing the exposed area.
By transporting to the exposure unit, the exposure process is performed on the printing plate.
Execute. By the way, the printing plate is moved from the punch portion to the plate.
As a method of returning to the position, for example, a pressing member is placed on the punch portion or the like
And press the end of the printing plate with a pressing member from the punch side.
The first method to return the printing plate to the plate by pressing
A cylindrical rotating roller that contacts the printing plate is provided on the plate,
And the printing plate is conveyed by rotating the rotating roller.
The second method is generally to return the printing plate to the plate. However, in the first method, printing is performed.
Play the printing plate when the plate is returned from the punch to the plate
Since there is no mechanism to hold the
The printing plate falls off the plate. Because of this, printing
Return the plate from the punch to the plate and then transport it to the exposure unit
The rotation angle of the plate is limited
There is a problem. Furthermore, in the second method, a printing plate is printed.
Move the printing plate on the plate when placing it on the plate.
The movement of the printing plate on the plate must be rotated.
There is a problem that the rollers are difficult to resist. The present invention considers the above facts.
The plate can hold the sheet material on the plate
Sheet material conveying device that can easily move the sheet material above
Is the purpose. [0008] A sheet according to claim 1.
The material conveying device includes a plate on which a sheet material is placed,
Provided on the plate and on the plate on the plate.
The contact part that can contact the sheet material and the non-contact part that cannot contact
It is placed on the outer periphery and rotated so that the sheet on the plate
The sheet material is conveyed while the contact portion contacts the sheet material.
And the contact portion on the sheet material on the plate.
The sheet material is transferred by being placed at the opposite rotational position.
While preventing movement of the sheet material on the plate
The non-contact part is disposed at the opposite rotational position, thereby
A conveyance roller that does not hinder the movement of the sheet material.
The In the sheet material conveying apparatus according to claim 1,
Sheet material on the plate by rotating the transport roller
The contact part of the outer periphery of the transport roller comes into contact with the sheet material,
Is done. Here, the conveying material is fed to the sheet material on the plate.
The transport roller is located at the rotational position where the contact part on the outer periphery of the
As a result, the transport roller contacts the sheet material and
The sheet material is moved by the frictional force between the
Be inhibited. This holds the sheet material on the plate
Can. Further, for example, a sheet material is placed on the plate.
When doing so, the sheet material on the plate
A conveyance roller is disposed at a rotation position where the non-contact portion faces.
In this way, the conveying roller does not contact the sheet material, and the sheet material
Movement is not hindered. This will cause the
The sheet material can be easily moved. DETAILED DESCRIPTION OF THE INVENTION FIG. 2 shows a sheet material conveyance according to the present invention.
The printing plate itself according to the embodiment to which the apparatus is applied
The dynamic exposure apparatus 10 is shown in a side view. Printing plate automatic exposure apparatus 1 according to the present embodiment
0 is a photopoly plate or thermal sheet material
Image forming layer on support in printing plate 12 such as plate
(Photosensitive layer, emulsion side) to expose (record) an image
The The printing plate automatic exposure apparatus 10 includes a transport guide unit 1.
4, punching section 16 and exposure section 18, and transported
A punch unit 16 and an exposure unit 1 are provided in front of the guide unit 14.
8 and an exposure unit 1 below the punch unit 16.
8 is arranged. The transport guide unit 14 is a plate.
A substantially rectangular flat plate feeding guide 20 and a substantially rectangular flat plate
And a plate-feeding guide 20.
And the discharge guide 22 are in a horizontal V shape relative to each other.
Has been. The transport guide unit 14 is attached to the center of FIG.
It is structured to rotate by a predetermined angle around the center.
The plate-feeding guide 20 and the plate-discharging guide 22 are selected.
As an alternative, it can be made to correspond to the punch part 16 and the exposure part 18.
Yes. Further, the printing plate 12 is supplied to the plate supply guide 20.
Placed. As shown in FIG. 1, the front side portion of the plate supply guide 20 is shown.
The transport roller 24 is rotatably provided at the position,
The transport roller 24 is a substantially cylindrical shape made of silicon rubber.
The roller portion 24A is connected to the rotation center shaft 24B parallel to the left-right direction.
It is set as the structure which was arranged in multiple numbers and was skewered. As shown in FIG. 4 and FIG.
One side of the outer circumference (outer circumference of each roller section 24A) is non-planar
On the other hand, the outer periphery of the conveying roller 24 (each roller portion
The part other than one side of the outer periphery of 24A
It is a contact portion 70, and the conveying roller 24 (each roller portion 2
4A) is a so-called D-cut roller. Transport roller
24, the contact portion 70 contacts the printing plate 12 on the plate supply guide 20.
On the plate feed guide 20 when placed in the opposite rotational position
Protrusively contacts the printing plate 12 (see FIG. 4)
When the touching portion 68 faces the printing plate 12 on the plate supply guide 20,
Without protruding onto the plate feed guide 20 when placed in the rolling position
It does not contact the printing plate 12 (see FIG. 5). For this reason, the conveying roller 24 is driven to rotate.
Thus, the contact portion 70 is brought into contact with the printing plate 12 on the plate supply guide 20.
The printing plate 12 is conveyed forward. In addition, carrying
The feed roller 24 has the contact portion 70 printed on the plate feeding guide 20.
The printing plate 1 is arranged at a rotational position facing the plate 12.
While the movement of 2 is obstructed, the non-contact part 68 is the plate feeding guide 2.
Placed at the rotational position facing the printing plate 12 on 0
The movement of the printing plate 12 is not hindered. Also, as mentioned above
When the printing plate 12 is supplied and placed on the plate guide 20,
The feed roller 24 has a non-contact portion 68 printed on the plate feed guide 20.
It is placed at the rotational position facing the plate 12,
Thus, the movement of the printing plate 12 is not hindered. As shown in FIG.
A predetermined number of columnar ribs 26 are provided.
Are arranged in parallel in the front-rear direction and the plate feed guide 2
The protrusion height above 0 is higher than the contact portion 70 of the conveying roller 24.
Slightly lowered. In addition, on the feeding guide 20
A cylindrical rotating roller 28 is provided so as to freely rotate a predetermined number of times.
The rotating roller 28 is arranged in parallel in the left-right direction.
At the same time, the protrusion height on the plate feed guide 20 is determined by the conveyance roller 2.
4 is substantially the same as the contact portion 70. Where the printing plate
Accompanying support of the 12 ribs 26 and transport of the printing plate 12
The printing plate 12 is conveyed by the rotation of the rotating roller 28.
The frictional force at the time is reduced. At the front end of the plate feeding guide 20, there is a pair of positioning positions.
Female pins 30 are provided in parallel in the left-right direction, and
The deciding pin 30 has a cylindrical shape and rotates around the central axis.
And protrudes from the upper surface of the plate supply guide 20
doing. As described above, the mark is generated by the rotation of the conveying roller 24.
When the printing plate 12 is conveyed forward, the front edge of the printing plate 12 is
It strikes against the pair of positioning pins 30. This will print
The position of the plate 12 in the front-rear direction is determined. Also one
The pair of positioning pins 30 can be lowered from the upper surface of the plate feeding guide 20.
As a result, the printing plate 12 is transported by the conveying roller.
24 beyond the front end of the plate feeding guide 20 by the rotation of 24
It is possible to transport to. The right side portion of the plate feeding guide 20 has a conveyance
A slit hole 32 is formed in the vicinity of the rear side of the roller 24.
The slit hole 32 is arranged in parallel in the left-right direction.
The support shaft 34 is penetrated inside. Of the support shaft 34
A cylindrical reference pin 36 is centered on the support shaft 34 at the top.
The support shaft 34 is supported so as to be freely rotatable.
2 is moved along the reference pin 36 in the left-right direction.
As a result, the reference pin 36 is placed on the plate feeding guide 20.
At a predetermined position according to the size of the printing plate 12
Be placed. On the left side portion of the plate feeding guide 20,
A slit hole 38 is formed in the vicinity of the rear side of the roller 24.
The slit hole 38 is arranged in parallel in the left-right direction.
The support shaft 40 is penetrated inside. Of the support shaft 40
In the upper part, a cylindrical conveying pin 42 is centered on the support shaft 40.
It is supported rotatably. Where the printing plate as described above
12 contacts the pair of positioning pins 30 and the printing plate 1
When the position of 2 in the front-rear direction is determined, the support shaft
40 is moved to the right along the slit hole 38 and conveyed.
When the pins 42 are moved, the conveying pins 42 are moved to the printing plate 1.
2 is pressed and transported to the right and abuts against the reference pin 36
The As a result, the position of the printing plate 12 in the right direction is determined.
As shown in FIG. 3, the printing plate 12 is temporarily positioned.
It is. It should be noted that the support shaft 40 has a predetermined bullet toward the reference pin 36 side.
It should be configured so that it can move while being given sexual power.
The buckling deformation of the printing plate 12 due to the pressing force of the conveying pin 42
May be prevented. Further, after the temporary positioning of the printing plate 12 is completed.
As will be described later, the printing plate 12 is carried to the punch unit 16 and the exposure unit 18.
Before the feed, the transport roller 24 is in contact with the contact portion 70.
At a rotational position facing the printing plate 12 on the plate supply guide 20
Placed, the movement of the printing plate 12 is obstructed and printing
The temporary positioning state of the plate 12 is maintained. The punch section 16 includes a flat support plate 44.
On the support plate 44, a predetermined number of punch devices 46 are provided.
(In this embodiment, a total of four pairs, left and right)
It is. Here, the conveyance guide unit 14 is rotated.
The plate feeding guide 20 corresponds to the punch section 16 (punch loading
And a pair of positioning pins 30 are fed to the plate.
The punch device 46 is lowered from the upper surface of the guide 20.
From the plate feeding guide 20 by the rotation of the conveying roller 24 inside
The front end portion of the printing plate 12 is conveyed. Between each pair of punch devices 46, respectively
Positioning pins 48 are provided, and a pair of positioning pins is provided.
48 are arranged in parallel in the left-right direction.
It has a cylindrical shape and is rotatable around the central axis
The A pair of positioning pins 48 are provided in the punch device 46.
The front edge of the transported printing plate 12 hits and
Thus, the position of the printing plate 12 in the front-rear direction is determined.
Further, in this state, the transport pin 42 is moved to perform printing.
Transport the plate 12 to the right and place it against the reference pin 36.
The position of the printing plate 12 in the right direction is determined.
As a result, as shown in FIG.
The printing plate 12 is finally positioned. Also like this
The center line in the left-right direction of the set printing plate 12 is the feeding guide.
20, a pair of positioning pins 48, and two pairs of punch devices
46 coincides with the center line in the left-right direction. The printing plate 12 positioned in this way is
For example, a circular hole and a long hole are formed on the front end portion by a punch device 46.
A predetermined number of punch holes (not shown) are drilled. this
The printing plate 12 is conveyed through the predetermined number of punch holes as will be described later.
For winding around the plate cylinder of a rotary press of a printing device (not shown)
Positioning in the printing process on the printing device
Used for. Further, the final positioning of the printing plate 12 is completed.
From the end to the end of the punch hole punching process on the printing plate 12
In the meantime, the contact portion 70 of the transport roller 24 is connected to the plate feeding guide 20.
It is arranged at a rotational position facing the upper printing plate 12,
The movement of the printing plate 12 is obstructed and the positioning of the printing plate 12 is determined.
State is maintained. When the processing in the punch device 46 is completed,
The plate 12 is guided by the reverse rotation of the conveying roller 24.
20 and the pair of positioning pins 30 are fed.
The plate guide 20 protrudes from the upper surface and is again marked in the same manner as above.
The printing plate 12 is temporarily positioned. The exposure unit 18 includes a cylindrical rotary drum 50.
The rotating drum 50 is arranged in parallel in the left-right direction.
And can be rotated in the directions of arrows A and B in FIG.
ing. Here, as described above, the plate feeding guide 16
When the printing plate 12 returned to the top 20 is temporarily positioned,
The conveyance guide unit 14 is rotated so that the plate feeding guide 20 is moved.
Corresponding to the exposure unit 18 (in the tangential direction of the rotary drum 50
And a pair of positioning pins 30 are connected to the plate feeding guide 20.
By being lowered from the upper surface, it is carried on the outer periphery of the rotary drum 50.
The front end of the printing plate 12 is conveyed by the rotation of the feed roller 24.
It is. On the outer periphery of the rotating drum 50, there is a pair of positioning positions.
Female pins 52 are provided, and a pair of positioning pins 52 is provided.
Are arranged in parallel in the left-right direction and each cylinder
It is made into a shape and is rotatable around the central axis. pair
The positioning pin 52 is conveyed on the outer periphery of the rotary drum 50
The front edge of the printing plate 12 to be
The position of the printing plate 12 in the front-rear direction is determined. More
Further, in this state, the conveying pin 42 is moved and the printing plate 1
2 is transported to the right and hits the reference pin 36
Thus, the position of the printing plate 12 in the right direction is determined. This
As a result, as shown in FIG.
The plate 12 is fully positioned. As shown in FIG.
In the vicinity of the pair of positioning pins 52
An end chuck 54 is provided. Of the front end chuck 54
A substantially central portion in the front-rear direction is rotatably supported by the rotating drum 50.
In addition, a rotary drum is provided on the front side of the front end chuck 54.
50 Elastic force is applied in the direction away from the outer periphery.
The A mounting cam 56 is disposed above the front end chuck 54.
And the mounting cam 56 is connected to the front end chuck 54.
The rear side of the front end chuck 54 rotates by pressing the front side.
The drum 50 is spaced from the outer periphery. As a result,
As shown in FIG.
The front end of the printing plate 12 rotated with the rear side of the front end chuck 54
Inserted between the outer periphery of the drum 50 and in this state the above printing
The main positioning of the plate 12 is performed. The printing plate 12
After the final positioning of the mounting cam 56, the mounting cam 56 rotates.
By releasing the front side chuck 54 front side,
The rear side of the chuck 54 is the front end of the printing plate 12 by the elastic force.
And the front end of the printing plate 12 is
Retained. Further, the printing plate 12 is provided on the outer periphery of the rotary drum 50.
When the front end of the rotary drum 50 is held, the rotary drum 50 is moved to the direction indicated by the arrow A in FIG.
The printing plate 12 is rotated in the direction of
Wrapped around. Also, the final positioning of the printing plate 12 is completed.
Later, the printing plate 12 is wound around the outer periphery of the rotary drum 50
(Rotation of the rotating drum 50 in the direction of arrow A) is started
In the meantime, the contact portion 70 of the transport roller 24 is fed.
Arranged at a rotational position on the guide 20 facing the printing plate 12
The movement of the printing plate 12 is hindered, and the printing plate 12
The final positioning state is maintained. Furthermore, the rotating drum 5
When the printing plate 12 is wound around the outer periphery of 0, the transport roller
In the roller 24, the non-contact portion 68 has the printing plate 1 on the plate feeding guide 20.
2 is arranged at the rotational position opposite to 2,
The movement of the printing plate 12 is not hindered. In the vicinity of the outer periphery of the rotating drum 50, there is a mounting cam.
2 in the direction of the arrow A in FIG.
A roller 58 is provided. The squeeze roller 58 is
By moving to the rotating drum 50 side,
Push the printing plate 12 to be wound toward the rotary drum 50.
The printing plate 12 is rotated while being pressed, and the outer periphery of the rotary drum 50 is rotated.
Adhere to. A mounting cam is provided near the outer periphery of the rotating drum 50.
56 and the squeeze roller 58
A hook attachment / detachment unit 60 is provided. Rear end chuck attachment
The removal unit 60 has a shaft 62, and the shaft
62 is movable toward the rotary drum 50.
A rear end chuck 64 is attached to the front end of the shaft 62.
The trailing edge of the printing plate 12 wound around the rotary drum 50 is
When facing the rear end chuck attaching / detaching unit 60, the shaft
62 moves the rear end chuck 64 to the rotary drum 50 side.
At the same time as installing the rotary drum 50 in a predetermined position,
The rear end chuck 64 is detached from the foot 62. This
The trailing edge chuck 64 presses the trailing edge of the printing plate 12,
The rear end of the printing plate 12 is held on the outer periphery of the rotating drum 50. Thus, the front end chuck 54 and the rear end chuck
The front edge and the rear edge of the printing plate 12 are
When held by the ram 50, the squeeze roller 58 is rotated.
After being separated from the ram 50, the rotating drum 50 is
It is rotated at a high speed. In the vicinity of the outer periphery of the rotary drum 50, a recording head is provided.
The recording section 66 is disposed at a high speed.
This rotating drum 50 is directed toward the rotating drum 50 to be rotated.
Based on the loaded image data in synchronization with the rotation of
Are irradiated with a modulated light beam, and thereby the printing plate 12
Are exposed based on the image data. This exposure process
While rotating the rotary drum 50 at high speed (main scanning),
The recording head 66 is moved in the axial direction of the rotary drum 50
This is so-called scanning exposure. The scanning exposure for the printing plate 12 is completed.
And the position where the rear end chuck 64 faces the shaft 62
The rotating drum 50 is temporarily stopped by the shaft 62
The rear end chuck 64 is removed from the rotary drum 50.
(The rear end chuck 64 is attached to the shaft 62), the rear
The pressing of the rear end of the printing plate 12 by the end chuck 64 is released.
The Further, the transport guide unit 14 is rotated to remove the plate.
After the guide 22 corresponds to the exposure unit 18 (the rotating drum 5
After facing the tangential direction of 0), the rotating drum 50 is shown in FIG.
Is rotated in the direction of arrow B of FIG.
The sheet is conveyed from the side to the rear and discharged to the discharge plate guide 22.
At this time, the mounting cam 56 is rotated so that the front end chuck 54
By pressing the front side, the mark by the rear side of the front end chuck 54
The pressing of the front end of the printing plate 12 is released. The printing plate 12
Is sent to the discharge guide 22, the conveyance guide unit 1
4 is rotated, and the printing plate 12 is discharged from the plate discharge guide 22.
As a result, the printing plate 12 is transferred to the printing plate automatic exposure apparatus 1.
The next developing device or printing device adjacent to 0 (not shown)
Is omitted). Next, the operation of this embodiment will be described. First, the printing plate 12 is placed on the plate supply guide 20.
To do. At this time, it may be a so-called manual feed or an automatic sheet.
The feeding may be performed by a leaf device or the like. The printing plate 12 on the plate supply guide 20 is placed in the loading position.
Is relatively rough with respect to the setting and plate feed guide 20
In this state, the transport roller 24 is rotated.
Therefore, the printing plate 12 is conveyed forward and the front end of the printing plate 12 is moved.
After abutting against the pair of positioning pins 30, the conveying pin 42
To transport the printing plate 12 to the right and to the reference pin 36
By abutting, the printing plate 12 is temporarily positioned. In this temporarily positioned state, the transport guide unit is
The plate feed guide 20 is set to the punch portion 16 by rotating the
And a pair of positioning pins 30 for the plate feed guide
20 When it is lowered from the upper surface, the conveyance roller 24 rotates.
Then, the printing plate 12 is conveyed forward and the front edge of the printing plate 12 is
After abutting against the pair of positioning pins 48 of the punching portion 16,
The printing plate 12 is transported to the right by the transport pins 42, and the base
By hitting the quasi-pin 36,
The printing plate 12 is finally positioned. This positioning in this way
A punch device 46 is provided at the front end of the printed printing plate 12.
After a certain number of punch holes have been drilled, the printing plate 12 is
When the roller 24 is returned to the plate feed guide 20 by the reverse rotation of the roller 24
In both cases, the pair of positioning pins 30 is connected to the upper surface of the plate feeding guide 20.
And the printing plate 12 is temporarily positioned in the same manner as described above.
It is Furthermore, in this temporary positioning state, the transport guide
The plate unit guide 14 is rotated to move the plate feeding guide 20 to the exposure unit 1.
8 and a pair of positioning pins 30
When the guide 20 is lowered from the upper surface, the rotation of the transport roller 24
In front of the printing plate 12 by transporting the printing plate 12 forward by rolling
The ends are abutted against a pair of positioning pins 52 of the rotary drum 50
After that, the printing plate 12 is conveyed to the right by the conveyance pins 42.
Sent to the exposure pin 18 by abutting against the reference pin 36.
The printing plate 12 is finally positioned. Like this
The arranged printing plate 12 has a front end and a rear end in front.
A rotating drum is formed by the end chuck 54 and the rear end chuck 64.
The squeeze roller 58 is
Therefore, the rotary drum 50 is in close contact with the outer periphery of the rotary drum 50.
Wound around the outer periphery of the drum 50. Thereafter, the rotating drum 5
0 is rotated at a high speed, and the exposure process is performed by the recording head unit 66.
Do it. When the exposure process is completed, the transport guide unit is
And the discharge plate guide 22 is moved to the rotary drum 50.
Corresponding to the front end chuck 54 and the rear end chuck
64 holds the printing plate 12 on the outer periphery of the rotary drum 50.
While releasing, the printing plate 12 is removed from the rotary drum 50 with the guide for discharging the plate.
To the door 22. After that, the conveyance guide unit 14 is
Rotate the printing plate 12 from the discharge guide 22 to the developing device.
Or transport to a printing device. Here, after the temporary positioning of the printing plate 12 is completed.
The printing plate 12 is conveyed to the punch unit 16 and the exposure unit 18.
Until now, the actual position of the printing plate 12 in the punching section 16
After the decision is made, the punch hole punching process on the printing plate 12 is completed.
Until the end and the book of the printing plate 12 in the exposure unit 18
After the positioning is completed, the outer periphery of the rotary drum 50 of the printing plate 12
Before the wrapping starts, the feeding guide
20 on the printing plate 12 on the outer periphery of the conveying roller 24.
The conveying roller 24 is arranged at the rotation position where the
Then, the conveying roller 24 comes into contact with the printing plate 12, and the printing plate 1
2 and the contact portion 70, the printing plate 12 is moved by the frictional force.
Movement is inhibited. As a result, the printing plate is added to the plate supply guide 20.
12 can be held, and the plate feed guide 20 (conveyance guide
Regardless of the rotation angle of the printing unit 14).
It can suppress falling off from the plate guide 20. others
Therefore, when the printing plate 12 is positioned, the plate feeding guide 20
It is possible to prevent the rotation angle from being restricted. Further, the printing plate 12 is supplied to the plate supply guide 20.
When being loaded and on the outer periphery of the rotary drum 50, the printing plate 12
Is wound around the printing plate 1 on the plate supply guide 20.
2 is a rotation in which the non-contact portion 68 on the outer periphery of the conveying roller 24 faces.
Since the transport roller 24 is arranged at the position, the transport roller
24 does not come into contact with the printing plate 12 and the movement of the printing plate 12 is obstructed.
Not harmed. Thereby, the printing plate on the plate supply guide 20
12 can be easily moved to the plate feed guide 20
The printing plate 12 can be placed easily.
In addition, the printing plate 12 is wound around the outer periphery of the rotary drum 50.
Can be performed satisfactorily. In this embodiment, the exposure is finished.
The printing plate 12 is discharged to the discharge guide 22.
The printing plate 12 having been exposed is discharged to the plate supply guide 20.
It is good also as a structure. In this case, the printing plate 1 is exposed from the exposure unit 18.
When 2 is discharged to the plate feeding guide 20 and the plate feeding guide 20
When the printing plate 12 is discharged, printing on the plate supply guide 20 is performed.
A non-contact portion 68 on the outer periphery of the conveyance roller 24 faces the plate 12.
A transport roller 24 is disposed at the rotational position. This
The plate feed guide without the conveying roller 24 contacting the printing plate 12
The movement of the printing plate 12 on 20 can be facilitated,
Discharge operation of the printing plate 12 to the plate feeding guide 20 and a plate feeding guide
The printing plate 12 can be discharged well from the printer 20
it can. Furthermore, in this embodiment, the transport roller 2
The printing plate 12 is fed from the punch unit 16 by the reverse rotation of 4.
Although it is configured to return to the guide 20, it is pushed to the punch 16 or the like.
A pressure member is provided and marked with a pressing member from the punch 16 side.
Guide for feeding the printing plate 12 by pressing the end of the printing plate 12
It is good also as a structure returned to 20 up. In this case, punch 1
When returning the printing plate 12 from 6 to the plate supply guide 20, the plate supply
Non-contact of the outer periphery of the conveying roller 24 to the printing plate 12 on the guide 20
The transport roller 24 is arranged at the rotational position where the touching portion 68 is opposed.
It is. Thereby, the conveyance roller 24 contacts the printing plate 12.
Easy movement of the printing plate 12 on the plate supply guide 20
Returning the printing plate 12 to the plate feeding guide 20
The work can be performed satisfactorily. Furthermore, in this embodiment, printing is performed.
When the plate 12 is temporarily positioned, the transport pin 42 should not be moved.
It is good also as a structure. Even in this case, the punch 16 and the dew
When the printing plate 12 is fully positioned by the optical unit 18, it is conveyed.
The printing plate 12 is abutted against the reference pin 36 by the pin 42.
Can. In this embodiment, a pair of positioning positions
Configuration in which pins 30, 48 and 52 are arranged in parallel in the left-right direction
However, the pair of positioning pins
As an arrangement that is not parallel to the axial direction)
Good. Furthermore, a pair of positions in the present embodiment.
Instead of fixed pins 30, 48, 52, flat positioning
It is good also as a structure which uses a board. In the sheet material conveying apparatus according to claim 1,
The contact part on the outer periphery of the transport roller is on the sheet material on the plate.
By placing the transport roller at the opposite rotational position,
The movement of the timber is obstructed, which makes the sheet on the plate
Can hold material. Furthermore, it conveys to the sheet material on the plate
Conveying roller at the rotational position where the non-contact part on the outer periphery of the roller faces
This will not hinder the movement of the sheet material.
Makes it easy to move the sheet material on the plate.
The

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view showing a printing plate automatic exposure apparatus according to an embodiment of the present invention. FIG. 2 is a schematic side view showing a printing plate automatic exposure apparatus according to an embodiment of the present invention. FIG. 3 is a plan view showing a positioning state of the printing plate in the printing plate automatic exposure apparatus according to the embodiment of the present invention. FIG. 4 is a side view showing a state in which the transport roller is arranged at a rotational position where the contact portion of the transport roller faces the printing plate on the plate feed guide in the printing plate automatic exposure apparatus according to the embodiment of the present invention. . FIG. 5 is a side view showing a state in which the transport roller is arranged at a rotational position where the non-contact portion of the transport roller faces the printing plate on the plate feed guide in the printing plate automatic exposure apparatus according to the embodiment of the present invention. is there. [Explanation of Symbols] 10 Printing Plate Automatic Exposure Device 12 Printing Plate (Sheet Material) 20 Plate Feeding Guide (Plate) 24 Transport Roller 50 Rotating Drum 68 Non-Contact Portion 70 Contact Portion

Claims (1)

1. A plate on which a sheet material is placed, a contact portion that is provided on the plate and that can contact the sheet material on the plate, and a non-contact portion that cannot contact the sheet material. A rotation position where the contact portion contacts the sheet material on the plate and conveys the sheet material by being rotated, and the contact portion faces the sheet material on the plate A conveying roller that inhibits movement of the sheet material by being arranged at a rotational position where the non-contact portion is opposed to the sheet material on the plate A sheet material conveying apparatus comprising: