JP2502137B2 - Printing plate positioning method, device and printing plate handling device for printing plate positioning - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a printing plate handling device which prints an image on a printing plate to a predetermined position of a loading portion of the printing plate handling device in which the printing plate is placed. The present invention relates to a printing plate positioning method and device for positioning, and a printing plate handling device for printing plate positioning.

[Prior Art] A plurality of printing plates (hereinafter referred to as "PS plates") used in newspaper presses are stacked and fixed on a printing plate handling device (hereinafter simply referred to as "skid") with a string or the like. In this state, it is transported by a hand lifter, forklift, etc. The PS plate placed on the skid is unpacked with a string or the like, and is inserted together with the skid into the loading section of the printing plate handling device of the printing device.

As shown in FIG. 6, a pair of rails 10 and 12 are arranged in the loading section of the printing apparatus, and the PS plate insertion direction (arrow A direction in the drawing) and the PS plate are provided on the upper surfaces of the rails 10 and 12. Blocks 16, 16 and 18, 20 for positioning the loading position in the width direction (direction of arrow B in the figure) are fixed.

The block 14 is arranged at the front side in the insertion direction, and the block 16 is arranged at the rear side in the insertion direction. The blocks 18 and 20 are formed in a mountain shape, and are arranged and fixed at both ends in the longitudinal direction of the rail 12.

Further, a pair of compression coil springs 22 are arranged in the back of the loading section to urge the inserted plate base in the direction opposite to the insertion direction to smoothly stop the insertion movement of the plate base 25.

On the other hand, blocks 26, 28, 30, 32 corresponding to the blocks 14, 16, 18, 20 are fixed to the back surface side of the plate base 25 of the skid 24 as shown in FIG.

Multiple PS plates are stacked on this board 25 and placed in a fork such as a hand lifter or fork lift.
It is lifted together with 24, transported to the loading section and inserted.

In the insertion into the loading section, the skid 24 is inserted into the loading section in a state of being lifted by the above forks, and the side portion on the front side in the insertion direction of the plate base 25 comes into contact with the compression coil spring 22 and then the compression coil spring 22. Insert the hand lifter so that the plates 25 of the skid 24 correspond to the blocks 14, 16, 18, 20 at the position of the predetermined insertion direction to the blocks 14, 16, 18, 20. The PS plate is loaded into the loading section by moving it, making fine adjustments, and then lowering it. After being placed on the blocks 14, 16, 18, and 20, the plate base 25 is pushed back in the direction opposite to the insertion direction by the urging force of the compression coil spring 22, and the skid 24 is positioned at a predetermined position.

[Problems to be Solved by the Invention] However, the printing plate positioning apparatus, method, and
In the printing plate positioning device skid, the compression coil spring 22 that contacts the plate 25 when the skid 24 is inserted into the loading section is used.
It had to be inserted against the urging force of, and insertion was not easy. Further, after insertion, the loading position must be adjusted while being biased by this biasing force, so a considerable amount of force was required to move it in a difficult way. Therefore, it is possible to weaken the biasing force of the compression coil spring 22, but if the compression coil spring 22 is weakened, the force that pushes back the skid 24 to a predetermined position becomes weaker, so position the PS plate at a predetermined position. There is a problem that the

Further, when the skid 24 having the printing plates placed therein is inserted into the loading section, there is a problem that a plurality of PS plates stacked on top of each other may be misaligned when the insertion movement is stopped. Ie skid 24
If the insertion of the paper into the loading section suddenly stops, the printing plate will shift due to inertial force. For this reason, at the time of insertion movement, it is necessary to slow the movement speed just before stopping so that the PS plate does not shift due to inertial force, and this insertion loading work requires skill.

In view of the above facts, the present invention is a printing plate positioning method, device, and printing plate positioning method that allows easy insertion and movement when a printing plate is loaded in a loading unit and allows skids to easily move in the loading unit. The purpose is to provide skids.

[Means and Actions for Solving the Problem] In the first invention, a printing plate handling device is provided at a predetermined position of a loading portion of a printing plate handling device in which a printing plate is placed in a printing plate printing device for printing an image on the printing plate. A printing plate positioning method for positioning, wherein a printing plate handling device on which a printing plate is placed is inserted into a loading section, and the front side in the insertion direction of the printing plate handling apparatus is brought into contact with a biasing means provided in the loading section. After that, the rolling member provided on the lower surface of the plate base of the printing plate handling device is placed in the groove provided in the loading portion while being urged by the urging means in the direction opposite to the insertion direction, and the printing plate is handled. It is characterized in that the printing plate handling device is positioned in a direction substantially perpendicular to the insertion direction of the device and the printing plate handling device is moved in the direction opposite to the insertion direction by the urging force of the urging means to position the device in the insertion direction.

Therefore, according to the first aspect, the printing plate handling device on which the printing plate is placed is lifted by, for example, a hand lifter or the like and inserted into the loading section. The printing plate handling device inserted into the loading section is inserted backwards against the biasing force of the biasing means, and is placed in the loading section in a biased state. At this time, the rolling member is inserted into the groove, and the printing plate handling device is positioned at a predetermined position in a direction substantially perpendicular to the inserting direction. Further, the printing plate handling device is urged and moved in the direction opposite to the inserting direction by the urging means, and is positioned at a predetermined position in the inserting direction.

According to a second aspect of the present invention, a printing plate positioning device for printing an image on a printing plate is provided for positioning the printing plate handling device at a predetermined position in a loading portion of the printing plate handling device on which the printing plate is placed. A printing plate handling device to be inserted into the loading section with a plate placed thereon, a rolling member provided on the lower surface of the plate base of the printing plate handling device, and a direction along which the printing plate handling device is inserted in the loading section. And a groove for inserting the rolling member to position it at a predetermined position in a direction substantially perpendicular to the insertion direction of the printing plate handling device, and a printing plate handling device disposed behind the loading unit and inserted into the loading unit. A biasing means for stopping the insertion of the printing plate handling device in contact with the front side in the insertion direction of the device and for biasing the printing plate handling device in the direction opposite to the insertion direction when the printing plate handling device is stopped; hand Is characterized by having a a stop which prevents movement in the insertion direction opposite to the direction for positioning said printing plate handling apparatus to a predetermined position in the insertion direction of the printing plate handling apparatus according to the biasing force of.

Therefore, according to the second aspect, the printing plate handling device on which the printing plate is placed is lifted by, for example, a hand lifter or the like and inserted into the loading section. The printing plate handling device inserted in the loading portion is urged in the direction opposite to the inserting direction by the urging means, and is inserted backward in the inserting direction against the urging force,
The insertion movement is stopped while being urged in the direction opposite to the insertion direction. From this state, lower the hand lifter and insert the rolling member into the groove. By this insertion, the printing plate handling device is positioned at a predetermined position in a direction substantially perpendicular to the insertion direction.
Furthermore, the printing plate handling device uses the urging force of the urging means,
The printing plate handling device is positioned in the insertion direction by being urged and moved in the direction opposite to the insertion direction and contacting the stopper.

According to a third aspect of the present invention, there is provided a printing plate positioning printing plate handling device for loading a printing plate at a predetermined position in a loading portion of a printing plate handling device that mounts a printing plate of a printing plate printing device for printing an image on the printing plate. There is a printing plate handling device on which the printing plate is placed and inserted into the loading section, and a printing plate handling device which is provided on the back side of the plate base of the printing plate handling device and is inserted into the loading part of the printing plate handling device after being loaded into the loading part. And a rolling member that is inserted into the groove provided and that positions the printing plate handling device in the loading portion in a direction substantially perpendicular to the insertion direction and that moves the printing plate handling device in a direction opposite to the insertion direction. I am trying.

Therefore, according to the third aspect of the invention, the printing plate is placed on the plate base of the printing plate positioning printing plate handling device, and the printing plate handling device is lifted by, for example, a hand lifter or the like and inserted into the loading section. When inserted into the loading section, the printing plate handling device is biased by the biasing means in the direction opposite to the insertion direction,
Against this biasing force, it is inserted further in the insertion direction, the insertion movement is stopped, and the hand lifter is lowered and placed on the loading section. At this time, the rolling member is inserted into the groove, and the positioning is performed in a direction substantially perpendicular to the insertion direction. Further, the printing plate handling device is biased by, for example, the biasing means of the loading section,
The printing plate handling device is moved in the direction opposite to the insertion direction and stopped by, for example, the stopper of the loading unit, and the printing plate handling device is positioned in the insertion direction.

[Embodiment] FIG. 1 shows an embodiment of a printing plate positioning apparatus according to the present invention. This printing plate positioning device uses multiple PS
The plate 38 is placed and the skid 42, which is inserted into the loading section 40 of the printing apparatus (not shown), is positioned in the insertion direction into the loading section and in a direction substantially perpendicular to the insertion direction.

As shown in FIG. 1, the skid 42 includes a plate base 44, a pair of legs 46 provided on the lower surface of the plate base, and four ball casters arranged at four corners between the pair of legs 46. 48
It consists of and.

The plate base 44 of the skid 42 is flat and formed to be larger than the outer shape of the PS plate 38, and a resin plate 58 such as vinyl chloride is placed on the upper surface thereof. A plurality of PS plates 38 are stacked and placed on the upper surface of the resin plate 58.

Further, a V-shaped notch 43 is formed in the central portion of the side of the plate base 44 on the rear side in the insertion direction, and in the notch 43, an inclined surface 43A inclined with respect to the insertion direction of the plate base 44, 43B is formed. The contact portion 88 of the buffer positioning device 86 fixed to the loading portion is inserted into the notch 43.

As shown in FIG. 1, the buffer positioning device 86 includes a box body 92 fixed to the loading section 40 and a box body 92 slidable along the longitudinal direction of the box body 92 (the insertion direction of the plate base 44). And a compression coil spring 90 which is disposed in the box body 92 and biases the contact member 88 in the direction opposite to the insertion direction of the plate base 44. ing.

A tip end portion of the contact member 88 is formed along the inner wall shape of the plate base 44, and a slope 88A is formed so as to approach the tip end portion. The abutting member 88 is provided on the plate base 44 for the loading section 40.
Is inserted into the notch 43 at the time of insertion. Even if the plate base 44 is inserted with a slight deviation from the predetermined position in the direction substantially perpendicular to the insertion direction at the time of this insertion, the slope 88A at the tip of the contact portion 88 slides on the slopes 43A, 43 of the notch 43. Move to automatically correct the insertion direction, and move it to a predetermined position in the direction substantially perpendicular to the insertion direction.
Is to be positioned.

This positioning is performed by contacting the center of the notch 43 with the contact member.
The state where the tip of 88 is not located, that is, both slopes 88A are not necessarily engaged with both slopes 43A and 43B of the notch 43, but the engagement of only one slope causes the plate base 44 to be substantially perpendicular to the insertion direction. The position may be slightly shifted in the direction.

Further, the contact member 88 is biased by the compression coil spring 90, and when the plate base 44 is inserted and comes into contact with the contact member 88, the plate base 44 is biased in the direction opposite to the insertion direction to move the plate base 44. To reduce and buffer.

The shapes of the abutting member 88 and the notch 43 are, as shown in FIGS. 4 and 5, at least one of the abutting member 88 and the inner peripheral wall of the notch 43 in the insertion direction of the plate base 44. On the other hand, it is sufficient that a sloped surface is formed.

For example, the abutting member 94 shown in FIG. 4 has a rectangular projection 94A formed at the tip. . When this contact member 94 is inserted into the notch 43 shown in FIG.
A slides on the slopes 43A43B and moves the plate base 44 in a direction substantially perpendicular to the insertion direction.

Further, as shown in FIG. 5, a notch 100 having a V-shape and a rectangular groove 102 provided at the center of the inner peripheral wall is formed on the side of the plate base 44 in the insertion direction. The contact member 88 of the buffer positioning device 86 shown in FIG. 1 may be inserted into the notch 100 so that the slopes 88A and 100A are engaged with each other.

The pair of leg portions 46 are formed by pipes bent in a U shape, and both end portions are fixed to the lower surface of the plate base 44. This leg
A space is provided between the board base 44 and the floor by 46.
A fork (loading section) such as a hand lifter (not shown) is inserted into this space.

The ball caster 48 is arranged in the width direction (the direction perpendicular to the insertion direction of the plate base 44) of the plate base 44 along the insertion direction (the arrow A direction in the drawing) of the plate base 44 into the loading portion. A ball bearing 50 is attached to the center of the ball caster 48 as shown in FIGS. 2 and 3, and about half thereof is exposed to the outside. For this reason this ball bearing
The plate 50 is rotatable in all directions, so that the plate base 44 can be easily moved.

On the other hand, the loading section 40 has a pair of rails 60 having a U-shaped cross section,
62 are arranged. A stopper block 64 is fixed to the upper surface of the rail 60 on the front side in the insertion direction. Also rail
A bearing accommodating groove 66 is formed on the upper surface of 62 from the middle portion toward the front side in the insertion direction. As shown in FIG. 2, the ball bearing accommodating groove 66 is formed in an arc shape whose cross-sectional shape has a radius larger than the diameter of the ball bearing 50. Even if the ball bearing 50 is accommodated with a slight deviation, the bearing is accommodated. The bearing 50 moves along the inner wall of the groove 66 toward the center.

In addition, as shown in FIG. 1, the contact member 88 is notched.
The dimensions of the respective parts are set so that the ball bearing 50 is inserted into the deepest part of the housing groove 66 in a state where the ball bearing 50 is completely engaged with the inside of the housing groove 66.

Further, a pair of compression coil springs 68, which are biasing means, are disposed at the back of the loading portion in the insertion direction. The compression coil spring 68 comes into contact with the side portion of the plate base 44 on the front side in the insertion direction, and biases the plate base 44 inserted into the loading portion in the direction opposite to the insertion direction. This urging makes the board stand
The plate base 44 is moved to a predetermined position by stopping 44 smoothly and pressing it in the direction opposite to the insertion direction.

 Next, the operation of the present invention will be described.

The skid 42, on which a plurality of PS plates 38 are placed, is lifted by a hand lifter (not shown) and conveyed to and inserted into the loading section 40 (not shown) for a baking process.

When the skid 42 is conveyed to the loading section 40 and is inserted into the loading section, the front side portion in the insertion direction abuts against the compression coil spring 68 and is urged in the direction opposite to the insertion direction, so that the moving speed decreases, Stop. Further, in the plate base 44, the tip end portion of the abutting member 88 is inserted into the notch 43, and the slopes 43A, 43B and the slope 88A slide, and positioning is performed in a direction substantially perpendicular to the insertion direction. This positioning is performed by the contact member 88 to the center of the notch 43.
It is not necessary that the front end portion of the device is positioned and is not normally engaged.
That is, the plate base 44 engages with a slight deviation from the predetermined position in a direction substantially perpendicular to the insertion direction, and if the plate base 44 is lowered, the ball bearing 50
It suffices that it is positioned to a state where it can correspond to the accommodation groove 66. Further, the plate base 44 is also biased by the compression coil spring 90 in the direction opposite to the insertion direction, which also reduces the moving speed of the plate base 44 and buffers it. As a result, the PS plate 38 does not collapse due to inertial force. Further, since the compression coil springs 68 and 90 are urged, the operator can stop the insertion movement operation.

From this state, the hand lifter (not shown) is lowered to mount the skid 42 on the pair of rails 60, 62. At this time, the ball bearing 50 is placed on the rail 60 and the rail 62
The ball bearing 50 is inserted into the bearing accommodating groove 66.

At this time, even if the loading position of the plate base 44 is slightly displaced in the insertion direction and the width direction of the plate base 44, the compression coil springs 68, 90 move in the direction opposite to the insertion direction by the urging force, and the ball bearing
The stopper block 50 and the end portion of the bearing accommodating groove 66 are respectively brought into contact with the stopper block 50 and the position in the insertion direction is determined. Also
With respect to the positional deviation of the PS plate 38 in the width direction, the ball bearing 50 naturally moves to the center in the bearing accommodating groove 66, so that the PS plate 38 is easily positioned in the width direction.

In this embodiment, a photosensitive planographic printing plate is used as the printing plate, but the present invention is not limited to this, and the present invention can be applied to the case where another printing plate is loaded in the loading section of the printing apparatus. I can.

[Effects of the Invention] Since the first, second, and third inventions have the above-described configurations, when the printing plate is loaded into the loading section, the insertion movement is easy and the skid is easily loaded in the loading section. You can move to
This has an excellent effect that the loading position in the insertion direction can be easily positioned and the load of the printing plate does not collapse.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a printing plate positioning apparatus according to the present invention, FIG. 2 is a sectional view taken along line II-II in FIG. 1, and FIG. 3 is III- in FIG. Sectional views taken along line III, FIGS. 4 and 5 are perspective views showing another example of the contact member and the notch, and FIG. 6 is a perspective view showing a conventional printing plate positioning apparatus. 38 …… PS version, 40 …… loading section, 42 …… skidding, 44 …… plate stand, 48 …… ball caster, 50 …… ball bearing,
64 …… stopper block, 68, 90 …… compression coil spring.

Claims (4)

(57) [Claims] 1. A printing plate is positioned at a predetermined position by positioning the printing plate handling device at a predetermined position in a loading portion of the printing plate handling device on which the printing plate of the printing plate printing apparatus for printing an image on the printing plate is mounted. In the method, the printing request handling device on which the printing plate is placed is inserted into the loading section, and the front side in the insertion direction of the printing plate handling apparatus is brought into contact with the biasing means provided in the loading section, The rolling member provided on the lower surface of the plate base of the printing plate handling device is placed in the groove provided in the loading portion while being biased in the direction opposite to the insertion direction by the biasing means, and A printing plate positioning method, characterized in that the printing plate handling device is positioned in a direction substantially orthogonal to the insertion direction by moving the printing plate handling device in the direction opposite to the insertion direction by the urging force of the urging means. 2. A printing plate positioning device for printing an image on a printing plate, which positions the printing plate handling device at a predetermined position in a loading portion of the printing plate handling device on which the printing plate of the printing plate printing device is placed. And a rolling member provided on the lower surface of the plate base of the printing plate handling device, and along the insertion direction of the printing plate handling device of the loading part. Of the printing plate handling device provided in the loading part and inserted into the loading part, the groove being provided for positioning the rolling member at a predetermined position substantially perpendicular to the insertion direction of the printing plate handling device. An urging means for abutting the front side in the insertion direction to stop the insertion of the printing plate handling device and for urging the printing plate handling device in a direction opposite to the insertion direction when the printing plate handling device is stopped; Bias Printing plate positioning device, characterized in that it comprises a and a stop for positioning the printing plate handling apparatus in the insertion direction to a predetermined position and prevents movement in the insertion direction opposite to the direction of the printing plate handling apparatus according to. 3. A printing plate positioning printing plate handling device for loading a printing plate at a predetermined position in a loading part of a printing plate handling device having a printing plate of a printing plate printing device for printing an image on the printing plate. And a printing plate handling device on which the printing plate is placed and inserted into the loading part, and a printing plate handling device, which is provided on the back side of the plate base of the printing plate handling device and is provided in the loading part after insertion into the loading part of the printing plate handling device. And a rolling member that is inserted into the groove and that positions the printing plate handling device in the loading portion in a direction substantially perpendicular to the insertion direction and that moves the printing plate handling device in a direction opposite to the insertion direction. Printing plate handling device for printing plate positioning. 4. The printing plate positioning printing plate according to claim 3, further comprising another rolling member on the back surface side of the plate base for moving the printing plate handling device forward, backward, leftward and rightward in the loading section. Handling equipment.