JP2000112139A - Housing device of auxiliary fitting for film and its mounting pin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a housing device which allows the smooth take-out and storage of negative bars. SOLUTION: The housing device 120 is spanned and supported with a negative bar tray 124 between slide guides 126 disposed at a pair of side plates 122. The negative bar tray is moved from a storage position to an attaching and detaching position facing a negative bar carrier 28 by the drive of an air cylinder 128. The negative bar carrier is moved toward the negative bar tray moved to the attaching and detaching position, by which the hand-over of the negative bars between the negative bar carrier and the negative bar tray is made possible. The negative bars are placed and stored in the prescribed position on the negative bar tray by insertion of mounting pins 132 in pin holes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate printing apparatus for printing an image recorded on a document film such as a negative film onto a printing plate, and more particularly, to positioning of a document film in the plate printing apparatus. The present invention relates to a storage device for a film auxiliary metal fitting for storing a film auxiliary metal fitting and a mounting pin used for simple positioning and holding when storing the film auxiliary metal fitting.

[0002]

2. Description of the Related Art A photosensitive lithographic printing plate (hereinafter, referred to as a "printing plate") used for a printing plate such as a newspaper printing machine has an image recorded on an original film such as a negative film (hereinafter, referred to as a "negative film"). After baking, development processing and punch /
A plate bending process and the like are performed. As a plate material printing apparatus for printing an image of a negative film on such a printing plate, for example, a film auxiliary fitting formed into a thin band shape (hereinafter referred to as a “negative bar”)
The negative film is positioned by attaching the negative film to the printing plate that is positioned on the printing platen by using the positioning pin holes formed in the negative film. Has been proposed to position the printing plate on the printing plate.

[0003] In the printing plate printing apparatus, irregular printing operations such as split run and double exposure may be performed in addition to shortening the exchange time of a negative film used for image printing. It becomes necessary to use a plurality of negative bars at the same time inside the printing apparatus.

[0004] In recent plate printing apparatuses, newspaper vertical 2
In addition to page-sized printing plates, there is a demand for processing of a 4-page newspaper printing plate capable of printing images of two pages of newspaper vertically and horizontally. The number of the negative films to be attached to the negative bar varies depending on the size of the printing plate, and it is necessary to use the negative bar according to the size of the printing plate.

However, if a necessary negative bar is loaded into the printing material printing apparatus in accordance with the size of the printing plate and the form of the printing processing, the preparation for performing the image printing processing becomes complicated and quick. Smooth image printing processing becomes difficult. For this purpose, a space for storing the negative bar is provided inside the plate printing device, and the negative bar is automatically removed from this storage space in accordance with the size of the printing plate for image printing and the image printing process of the printing plate. It is preferably stored in a storage space.

When the negative bar is to be stored next, it is preferable that the negative bar be stored at a predetermined position and that it is easy to mount and take out.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and has an apparatus for accommodating a film auxiliary metal fitting which enables smooth removal and storage of the film auxiliary metal fitting in a plate printing apparatus. It is another object of the present invention to provide a mounting pin suitable for simple positioning and holding such as when the film auxiliary metal fitting is stored.

[0008]

According to the present invention, there is provided a plate printing apparatus for printing an image recorded on a document film onto a printing plate positioned on a printing platen, A document film is transported onto the printing platen in a state where the document film is stuck at a predetermined position, and a film auxiliary metal fitting for positioning the document film with respect to the printing plate by being positioned with respect to the printing platen is stored. And a plurality of trays on which the film auxiliary metal fittings are placed, and a tray facing the storage position of the film auxiliary metal fittings and a conveying means for conveying the film auxiliary metal fittings. Holding means for movably holding the tray at a predetermined interval so as to be movable between the storage position and the attachment / detachment position; A moving means for moving the, characterized in that it comprises a.

According to the present invention having the above-described structure, the trays on which the film auxiliary fittings are placed are held in a plurality of stages at predetermined intervals by the holding means, and the film auxiliary fittings are placed on each of the trays. Can be stored. Each of the trays is moved by the moving means to a mounting / dismounting position opposed to the conveying means of the film auxiliary metal fitting, so that the film auxiliary metal fitting is placed on the tray and the film auxiliary metal fitting from the tray. Extraction is possible.

Thus, in the printing plate printing apparatus, when a film auxiliary fitting is required, a tray on which the necessary film auxiliary fitting is mounted can be moved to a detachable position and taken out. When the auxiliary metal fitting becomes unnecessary, the predetermined metal tray is moved to the storage position, whereby the film auxiliary metal fitting can be stored on the tray.

That is, it is possible to smoothly take in and out the film auxiliary fitting in accordance with the printing process in the printing plate printing apparatus.

According to a second aspect of the present invention, a film auxiliary fitting placed on the tray by being inserted into a pin hole provided in the tray and being drilled in the film auxiliary fitting is provided. It is characterized by including a mounting pin for holding in position.

According to the present invention, the mounting pins are provided on the tray, and the mounting pins are inserted and held in the pin holes formed in the auxiliary metal fittings for the film. Thereby, the film auxiliary fitting can be held at a predetermined position on the tray, and the film auxiliary fitting can be smoothly transferred to and from the transporting means.

According to a third aspect of the present invention, when the pin holes of the film auxiliary fitting are formed so as to be offset to one end in the width direction, both ends of the film auxiliary fitting in the width direction are provided on the tray. And a width guide protruding from the front surface.

According to the present invention, when the film auxiliary metal fitting is placed on the tray in a predetermined direction, it is arranged between the width guides. On the other hand, when the direction of the film auxiliary metal fitting is incorrect, one end of the film auxiliary metal fitting in the width direction comes into contact with the width guide because the pin hole is deviated. As a result, the auxiliary film fitting floats on the tray, so that erroneous loading does not occur even when the film is manually loaded.

The invention according to claim 4 is characterized in that the tray is formed with a notch extending from one end of the tray to below the auxiliary hook for film mounted on the tray. .

According to the present invention, the notch is formed in the tray so as to reach below the auxiliary film fitting. This makes it possible to easily and reliably grip the film auxiliary metal fittings, even when the film auxiliary metal fittings are thin, when manually taking out the film auxiliary metal fittings placed on the tray.

According to a fifth aspect of the present invention, the member to be placed on the flat table is inserted into a pin hole formed at a predetermined position of the member to be mounted on the flat table. A mounting pin which is held at a substantially predetermined position, wherein the mounting pin is formed by a base portion formed in a flat plate shape and a pin portion extending substantially triangularly from the base portion.

According to the present invention, for example, when a flat base is used as a tray and a film auxiliary metal fitting serving as a mounting member is loaded on the tray, the pin formed in the pin hole of the film auxiliary metal fitting with a narrow width. The part is inserted.

Since the pin portion is narrow with respect to the pin hole,
The pin portion smoothly and reliably enters the pin hole. Thereby, the film auxiliary fitting can be placed at a substantially predetermined position on the tray.

Although it is difficult to position such a mounting pin with high precision, it is possible to perform temporary positioning such that the mounting pin is disposed at a substantially predetermined position. For example, the mounting pin can be manufactured easily and at low cost using a flat plate. That is, provisional positioning of the mounted member can be performed at low cost.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 schematically shows a printing plate printing apparatus 10 applied to the present embodiment.

The plate printing apparatus 10 has a film loading section 12 provided at the center of the front of a machine frame (not shown).
An original film (for example, a negative film, hereinafter referred to as “negative film N”) is loaded on a tray (not shown).
In the negative film N, a register mark is recorded as a marker indicating an image area or a punch hole is formed at a predetermined position of a peripheral portion which is a non-image area. Negative film N
Are temporarily positioned and loaded on the tray based on the punch hole when the punch hole is formed and based on the outer periphery when the register mark is recorded.

The plate printing apparatus 10 includes a film loading unit 1
2, a negative film N is sent from the film loading unit 12 to the bonding unit 14, and positioned in the bonding unit 14 based on a positioning index such as a punch hole or a register mark. After that, it is attached to a negative bar 16 used as a film auxiliary metal fitting.
The negative film N affixed to the negative bar 16 is sent to the printing unit 20 via the standby unit 18.

On the other hand, the printing plate P is loaded into the printing plate loading section 24 in a state of being stacked on the printing plate mounting table (skid) 22, taken out from the uppermost layer, sent to the printing section 20, and sent to the printing section 20. It is placed and positioned on a printing platen 20A provided therein.

On the printing plate P positioned on the printing platen 20A, the negative film N conveyed together with the negative bar 16 from the standby unit 18 to the printing unit 20 is positioned and placed on the basis of the negative bar 16. You. By irradiating light from a light source (not shown) in this state, the negative film N
Is printed on the printing plate P. When the printing plate P on which the image has been printed is taken out from the printing unit 20, it is sent to the temporary stacking unit 42.

In the printing plate printing apparatus 10, the negative film N whose image printing on the printing plate P has been completed is returned from the printing section 20 to the standby section 18, and is transported from the standby section 18 to above the bonding section 14, where Above 14, it is stored in a tray (not shown) for discharge. The negative film N is peeled off from the negative bar 16 during the transportation.

The printing plate printing apparatus 10 applied to this embodiment is capable of printing images of one page of a newspaper in a vertical direction.
An L1W size printing plate P1 (indicated by a solid line in FIG. 1) and an image for one page of a newspaper are arranged vertically and horizontally and printed or spread on a newspaper 1
Processing of a printing plate P2 of 2L2W size (indicated by a two-dot chain line in FIG. 1), which can print images of pages vertically, can be performed. On the printing plates P1 and P2, images are printed on the top side and the ground side, respectively, such that the longitudinal direction is the top and bottom direction of the image recorded on the negative film N. The printing plate P is
It is transported mainly along the width direction.

In the following, the direction of the longitudinal direction of the printing plate P with respect to the vertical direction of the negative film N is indicated by an arrow L direction, and the direction of the negative film N and the printing plate P with respect to the width direction is indicated by an arrow W direction. In the plate printing apparatus 10, a negative film N on which an image of one page of a newspaper is recorded, or a negative film N on which an image of one page of a two-page spread (two pages of newspaper) is recorded is used. The negative film N may be a film which is positioned and pasted in advance on a pasting sheet slightly larger than a one-page spread of newspaper.

In the printing plate printing apparatus 10, a single negative film N is used when printing an image on the printing plate P1, but when printing an image on the printing plate P2, a negative film N having a one-page spread is used. Alternatively, two negative films N are arranged in the width direction and positioned on the printing plate P2, and image printing is performed at the same time. In the following, a negative film N on which an image of one page of a newspaper is mainly recorded will be described as an example.

On the other hand, FIGS. 2A and 2B show a negative bar 16 used in the printing plate printing apparatus 10.
FIG. 2A shows a negative bar 16B used for printing an image on the printing plate P2, and FIG. 2B shows a negative bar 16A used for printing an image on the printing plate P1. The basic structure of the negative bars 16A and 16B is as follows.
The description is mainly given below using the negative bar 16B.

The negative bar 16 is formed by a thin strip-shaped negative bar main body 36. The negative bar main body 36 has a plurality of long holes 38 at one end side in the width direction along the longitudinal direction.
Are drilled. The negative film N is a negative bar 1
6 is attached to the end on the ground side, and the long hole 38 faces the non-image portion of the end on the ground side of the negative film N when the negative film N is attached to the negative bar 16. .

On the other hand, as shown in FIG. 2A, when printing the image of the negative film N on the printing plate P2, the negative films N are arranged and attached along the longitudinal direction of the negative bar 16B. As shown in the figure, when printing the image recorded on the negative film N on the printing plate P1,
A negative film N is attached to one end of the negative bar 16A along the longitudinal direction. For this reason, as shown in FIG. 2B, a negative bar 16 to which one negative film N is attached is attached.
In A, the long hole 38 is formed so as to be deviated to one end side in the longitudinal direction of the negative bar main body 36. The state where the negative film N at the other end in the longitudinal direction is removed from the negative bar 16B is a state where the negative film N is attached to the negative bar 16A.

As shown in FIGS. 2 (A) and 2 (B), the negative bar main body 36 has an adhesive tape on the surface opposite to the surface facing the negative film N so as to cover the slot 38. 40 is pasted. In this manner, the adhesive tape 40 is held in a state in which the long hole 38 faces the predetermined position of the negative film N and the negative bar main body 36 is placed on the negative film N.
Is pressed into the long hole 38 so that the adhesive tape 40 adheres to the negative film N in the long hole 38.

Further, a reinforcing plate 44 is joined to the negative bar main body 36 at the other end in the width direction, that is, at the end opposite to the long hole 38 to the surface to which the adhesive tape 40 is adhered. This reinforcing plate 44 is thicker (for example, about 3.0 mm thick) than the wall pressure (about 0.3 mm) of the negative bar main body 36, and the reinforcing plate 44 is sucked by a suction cup or a magnet. The negative bar 16 can be securely held.

The reinforcing plate 44 of the negative bar 16B is divided and joined so as not to cover the widthwise end of the printing plate P2 when the negative bar 16B is positioned with respect to the printing plate P2. The reinforcing plate 44 is divided and joined so that when the negative bar 16A is positioned with respect to the printing plate P1, it does not cover the widthwise end of the printing plate P1.

As shown in FIGS. 2 (A) and 2 (B), a pair of pin holes 52, 54 for positioning both ends in the longitudinal direction are formed in the negative bar 16 in pairs. 54
Between the pin holes 5 for temporary positioning of the negative bar 16.
6, 58 are drilled in pairs. In addition, negative bar 16A
A long hole 60 is formed at a predetermined position on one end of the negative bar main body 36 in the longitudinal direction in order to identify the negative bar 16B. This sensor is not shown in FIG.
By detecting the presence or absence of 0, the negative bar 16A and the negative bar 16B can be identified, that is, whether the negative bar 16A is for the printing plate P1 or the negative bar 16B for the printing plate P2.

As shown in FIG. 1, when the negative film N is positioned and mounted on a bonding table (not shown) in the bonding section 14, the negative bar 16 is positioned and mounted on the ground side of the negative film N. . Thereafter, the negative film N is stuck to the negative bar 16 by the pressing roller (not shown) moving on the negative bar main body 16 while pressing the adhesive tape 40.

The negative film N and the negative bar 16 adhered via the adhesive tape 40 are sucked and held by the film carrier 26 and the negative bar carrier 28 described later, taken out of the attaching section 40, and conveyed to the standby section 18. .

A negative bar 16 and a negative film N are integrally mounted on the standby unit 18 and a printing platen 20 A of a printing unit 20 is mounted.
A set / reset table (not shown) that moves upward is provided, and the negative film N transported to the standby unit 18 is placed on the set / reset table, and then the printing platen 20 is moved.
A is transported on A.

The set / reset tables are vertically arranged in pairs, each of which has a negative film N and a negative bar 1.
6 are integrally mounted and move between the standby unit 18 and the printing unit 20. Thereby, the printing plate printing apparatus 10
In addition, the negative film N whose image printing has been completed can be discharged from the printing surface plate 20A in accordance with the transport of the negative film N onto the printing surface plate 20, and the split run can be performed on each set / reset table. And a negative film N to be used for double exposure can be placed on standby in the standby section 18.

FIGS. 3 to 6 show a film carrier 26 for transporting the negative film N and a negative bar carrier 28 for transporting the negative bar 16 between the attaching section 14 and the standby section 18. The film carrier 26 and the negative carrier 28 move horizontally between the attaching section 14 and the standby section 18 integrally.

A pair of guide rails 30 are arranged in the plate printing apparatus 10 between the attaching section 14 and the standby section 18. The guide rail 30 is provided along the width direction of the negative film N (a direction orthogonal to the vertical direction), and the frame 46 (partly) of the plate printing apparatus 10 is provided via brackets 32 arranged at predetermined intervals. Only shown).

A base plate 48 of the film carrier 26 extends between the pair of guide rails 30. A slider 50 slidably engaged with the guide rail 30 is attached to the lower surface of the base plate 48, and the base plate 48 is movably supported on the guide rail 30 via the slider 50. Have been.

As shown in FIGS. 3 and 4, above the base plate 48, a rodless cylinder 100 mounted on the frame 46 via the gantry 34 is mounted. The rodless cylinder 100 is disposed between the guide rails 30 in parallel with the guide rails 30. As shown in FIG. 3, the drive block 100A of the rodless cylinder 100
2 are connected. Thus, when the rodless cylinder 100 is driven, the base plate 48 moves along the guide rail 30.

As shown in FIG. 4, a sleeve 104 and a feed nut 106 are provided at the center of the base plate 48 so that the sleeve 10 extends through the base plate 48.
4 is screwed into the feed nut 106. Further, the feed nut 10 is provided on the base plate 48.
Four bearings 62 are attached around the center 6. A guide rod 64 that penetrates through the base plate 48 is inserted into each of the bearings 62.

On the other hand, as shown in FIG.
Below 8, a film support base 66 is arranged. The film support base 66 has a feed screw 108
And the distal ends of the guide rods 64 are connected to each other, whereby the film support base 66 is supported to be vertically movable. As shown in FIGS. 3 and 4, an elevating motor 68 is attached to the upper surface of the base plate 48. A pulley 70 is attached to a drive shaft of the elevating motor 68, and an endless belt 74 is wound around the pulley 70 and a pulley 72 provided on a feed nut 106.

As a result, when the feed nut 106 is rotated by the drive of the elevating motor 68, the feed nut 1
The feed screw 108 into which the reference numeral 06 is screwed moves relatively along the axial direction. Due to the relative movement of the feed screw 108 with respect to the base plate 48, the film support base 66 moves up and down while being guided by the guide rod 64.

A plurality of suction cups 76 (partially shown in FIGS. 3, 4 and 6) are provided on the film support base 66 for sucking the negative film N attached to the negative bar 16.
Is installed.

The film carrier 28 sucks and holds the negative film N on the suction cup 76, moves between the adhering section 14 and the standby section 18 by driving the rodless cylinder 100, and drives the negative motor N by driving the elevating motor 68. It moves up and down while sucking the film N. In the plate printing apparatus 10, the vertical movement of the film support base 66 is accurately controlled by using a servomotor or the like as the elevating motor 68.

As shown in FIG. 6, a frame 78 is attached to the film support base 66 on the ground side along the vertical direction of the negative film N.
, A plurality of suction cups 80 are attached to adsorb the vicinity of the negative bar 16 at the ground-side end of the negative film N.

As shown in FIGS. 5 to 7, the frame 78 is provided with a negative bar carrier 28 for holding the negative bar 16 by suction. The negative bar carrier 28 includes a support bar 86 disposed adjacent to the frame 78. The support bar 86 is disposed along the longitudinal direction of the negative bar 16 to which the negative film N is affixed. The plurality of suction cups 88 attached to the support bar 86 cause the negative bar 16 to be supported.
Is adsorbed and held.

As shown in FIG. 5, the support bar 86
Has two air cylinders 84 attached thereto, and the air cylinders 84 are connected to a bracket 110 attached to the frame 78. In addition, the support bar 8
6 is provided with a shaft 112 protruding downward, and the shaft 112 is connected to the guide block 11 attached to the frame 78 via a bracket 114.
6 is inserted.

Thus, the support bar 86 is moved to the frame 78.
, And move up and down with respect to the frame 78 by driving the air cylinder 84. In the normal state in which the air cylinder 84 contracts the rod 84A, the suction surfaces of the suction cups 76, 80 and the suction cup 88 are substantially the same, and the negative bar 16 is held in a substantially horizontal state together with the negative film N. The rod 84A of the air cylinder 84
Is extended, so that the sucker 88 is supported together with the support bar 86.
Rises, and the negative bar 16 attracted to the suction cup 88 is lifted upward with respect to the negative film N.

As shown in FIGS. 5 to 7, the frame 78 is provided with a peeling device 82 for peeling the negative film N from the negative bar 16. This peeling device 82
Has a rodless cylinder 90 arranged along the width direction of the negative film N, and the rodless cylinder 90 is attached to a frame 78 via a bracket 92.

A rotary cylinder 94 is attached to the rodless cylinder 90 via a base 91. As shown in FIGS. 5 and 6, a peeling claw 96 is attached to the rotating shaft 94A directed downward from the rotary cylinder 94. The peeling claw 96 is formed in a substantially U-shape, and a blade portion 98 is formed at a lower end.

Between the film carrier 26 and the negative bar carrier 28, the negative bar 16 is lifted together with the support bar 86 by driving the air cylinder 84, so that the negative bar 16 is moved between the negative bar 16 and the negative film N.
A gap is formed at the end in the longitudinal direction.

The peeling device 82 rotates the peeling claw 96 by approximately 90 ° by operating the rotary cylinder 94 in a state where the gap is formed, so that the blade portion 98 at the tip of the peeling claw 96 is moved to the negative bar 16 and the negative film N. Into the gap. Thereafter, by driving the rodless cylinder 90, the rotary cylinder 94 and the peeling claw 96 are integrally moved in the longitudinal direction of the negative bar 16, whereby
The blade 98 moves while peeling the adhesive tape 40 from the negative film N. As a result, the negative film N is peeled off from the negative bar 16 and the negative film N and the negative bar 1 are removed.
6 are separately held on a film carrier 26 and a negative bar carrier 28, respectively.

In the plate printing apparatus 10, when the negative film N and the negative bar 16 are horizontally moved from the standby section 18 to the attaching section 14 by the film carrier 26 and the negative bar carrier 28, the peeling device 82 causes the negative bar 1 to move.
6, the negative film N is peeled off.

When the negative film N peeled off from the negative bar 16 is conveyed to the adhering section 14, it is transferred to a discharge tray (not shown) which is protruded and moved above the adhering stage of the adhering section 14.

By the way, the negative bar 16 from which the negative film N has been peeled is conveyed to the sticking section 14 where a new negative film N is stuck.
It is stored and stored in the storage device 120 provided therein.

As shown in FIG. 6, the standby unit 18
A storage device 12 is provided at the end of the negative film N on the ground side in the vertical direction.
0 is arranged. The storage device 120 is adjacent to a machine frame (not shown) of the printing plate printing apparatus 10, and the vicinity of the storage device 120 is opened by opening a door provided on the machine frame (not shown).

As shown in FIGS. 6 to 8, in the storage device 120, a plurality of negative bar trays 124 are arranged between a pair of side plates 122 attached to the frame 46 A of the printing plate printing device 10. Negative bar tray 124
Has a thin, substantially box-like shape in which the planar shape is formed into a long band shape, and is arranged between a pair of side plates 122 so as to be vertically overlapped at a predetermined interval. In the present embodiment, as an example, the negative bar trays 124 are stacked in four layers, and the basic configuration of each negative bar tray 124 is the same.

A slide guide 126 having a guide groove formed therein is arranged in a pair on each of the pair of side plates 122. Each of the negative bar trays 124 has a slide guide (not shown) provided at both ends in the longitudinal direction. By entering the guide groove 126, it is supported by the side plate 122 via the slide guide 126, and can move horizontally.

Further, each of the pair of side plates 122 has
An air cylinder 128 is attached below the slide guide 126. Each air cylinder 128 has a bracket 130 attached to the tip of a rod 128A.
It is connected to a negative bar tray 124 above the air cylinder 128. Thereby, the negative bar tray 124
Are arranged to move horizontally along the slide guide 126 by simultaneously operating the air cylinders 128 arranged in pairs.

As shown in FIG. 6, the negative bar tray 1
24 are rods 128 of the air cylinder 128.
The position (shown by the solid line) where A shrinks and moves to the ground-side end of the negative film N in the vertical direction is the original position,
Usually, it is held in this original position.

On the other hand, the negative bar tray 124 moves below the negative bar carrier 28 that has moved to the standby section 18 when the air cylinder 128 projects the rod 128A. By moving to this position,
The negative bar 16 can be transferred between the negative bar tray 124 and the negative carrier 28. That is, this position is the position where the negative bar 16 is attached to and detached from the negative bar tray 124.

As shown in FIGS. 6 to 8, the positioning holes 56, 5, 5
8, a mounting pin 132 serving as a positioning pin is provided. As shown in FIG.
32 has a shape in which a pin portion 136 extends from an intermediate portion along the longitudinal direction of a rectangular flat base portion 134.
As shown in FIG. 9 (B), the wide portion 138 of the pin portion 136 on the base portion 134 side substantially matches the inner diameter of the pin hole 56, and as shown in FIG. Part 1
The large width portion 138 of 36 substantially matches the inner diameter along the short side of the pin hole 58 formed as a long hole.

As shown in FIG. 9 (A), a tapered portion 140 formed in a substantially triangular shape on the tip side from the wide portion 138. Thereby, the pin portion 136 is
The taper portion 140 can be smoothly inserted into the pin holes 56 and 58, and the negative bar 16 is positioned on the negative bar tray 124 by inserting the pin portion 136 into the pin holes 56 and 58.

As shown in FIGS. 7 and 8, each of the mounting pins 132 protrudes from the inside of a rectangular hole formed in the negative bar tray 134 toward the upper surface side of the negative bar tray 124. In addition, each negative bar tray 124
The mounting pins 132 provided in pairs on one base 1
Reference numeral 34 extends in the vertical direction, and the other base 134 is arranged in a direction orthogonal to the vertical direction. That is, one mounting pin 132 and the other mounting pin 132
The bases 134 are arranged such that the longitudinal directions of the bases 134 are orthogonal to each other.

The negative bar tray 124 is protruded to the position where the negative bar 16 is attached and detached.
2 faces the pin holes 56 and 58 of the negative bar 16 held by suction on the negative bar carrier 28. Thus, the mounting pin 132 is inserted into the pin holes 56 and 58 of the negative bar 16 sucked and held by the negative bar carrier 28 by driving the lifting motor 68 to move the negative bar carrier 28 downward together with the film carrier 26. You. By releasing the suction of the negative bar 16 by the suction cup 88 in this state, the negative bar 16 is delivered to the negative bar tray 124.

As shown in FIGS. 5 and 7, the negative bar carrier 28 has push claws 142 and 144 formed at both ends in the longitudinal direction of the support bar 86. , The distal end formed in a substantially U-shape is directed downward, and
Of the negative bar 16 which is sucked and held in the longitudinal direction in the width direction. Also, the pushing claws 142, 1
The tip of 44 is close to the upper surface of the negative bar 16 that is sucked and held by the suction cup 88.

Thus, the negative bar carrier 28 is moved downward toward the negative bar tray 124 so that the pin holes 56,
When the mounting pin 132 enters each of the 58,
The negative bar 16 is pushed down. Therefore, when the negative carrier 28 moves further downward,
The push-in claws 142 and 144 are formed such that the mounting pin 132 having the tapered portion 140 inserted into the pin holes 56 and 58 is
Negative bar 16 so that pin holes 56 and 58
Press down.

The pushing claws 142, 144 face the pin holes 52, 54 of the negative bar 16, which are sucked and held by the negative bar carrier 28. That is, the pin holes 52 and 54 of the negative bar 16 are located between the tips of the push claws 142 and 144 formed in a substantially U shape.
Therefore, when the positioning pins are inserted into the pin holes 52, 56 of the negative bar 16, the pushing claws 142, 144
Accordingly, the periphery of the pin holes 52 and 54 can be pressed down, and the positioning pins can be reliably inserted into the pin holes 52 and 54.

As shown in FIG. 6, the storage device 120
When the negative bar 16 is delivered to the negative bar tray 124, the negative bar tray 124 is returned to the original position, and the negative bar 16 is stored. When transferring the negative bar 16 mounted on the negative bar tray 124 to the negative bar carrier 28, the storage device 120 moves the negative bar tray 124 on which the necessary negative bar 16 is placed to the mounting / removing position. The negative bar carrier 28 is lowered toward the negative bar tray 124, and is then sucked by the suction cup 88 and then raised, whereby the negative bar 16 is moved to the negative bar tray 1.
Removed from 24.

On the other hand, as shown in FIGS. 7 and 8, each of the negative bar trays 124 has a cutout 146 at an intermediate portion along the longitudinal direction. The notch 146 is formed on the ground side of the negative bar tray 124 in the vertical direction, that is, on the outer side of the standby unit 18.

The negative bar 16 placed on the negative bar tray 124 has one end in the width direction facing the cutout 146. Thus, the negative bar 16 placed on the negative bar tray 124 can be easily grasped from the outside of the machine frame, and the thin negative bar 16 can be easily removed from the negative bar tray 124 by manual operation.

As shown in FIGS. 2A and 2B, pin holes 56 and 58 formed in the negative bar 16 are formed.
Is provided on the reinforcing plate 44 so as to be biased toward one end of the negative bar 16 in the width direction. Thereby, the pin holes 56, 58
The end along the long hole 38 is farther from the end along the reinforcing plate 44 than the end along the width direction.

As shown in FIGS. 6 to 8, the negative bar tray 124 is provided with a pair of width guides 148 and 150 on both sides of the negative bar 16 in the width direction. The width guide 148 is provided at one longitudinal end of the negative bar tray 124 so as to face the end of the negative bar 16 on the reinforcing plate 44 side.
It is attached to the other end of the negative bar tray 124 in the longitudinal direction so as to face the end on the eight side.

The distal ends of the width guides 148 and 150 protrude from the upper surface of the negative bar tray 124 and
By placing between the width guides 148, 150,
The negative bar 16 can be mounted on the negative bar tray 124 by manually inserting the mounting pins 132 into the pin holes 56 and 58.

Further, the negative bar 16 is moved to the negative bar tray 12.
When the mounting pin 132 is inserted into the pin holes 56 and 58 of the negative bar 16 when the long hole 38 side of the negative bar 16 is on the width guide 148 side when the negative bar 16 is mounted, Abut the negative 16
6 is raised. Thus, it is possible to clearly determine that the erroneous loading is performed with the direction of the negative bar 16 being different.

On the other hand, as shown in FIG. 5, the negative bar carrier 28 is provided with a negative bar sensor 154. The negative bar sensor 154 is attached to the support bar 86 via a bracket 156. When the negative bar 16A is suction-held by the negative bar carrier 28, the negative bar sensor 154 faces the long hole 60 formed in the negative bar 16A. ing.

The negative bar sensor 154 detects the presence or absence of the elongated hole 60 when the negative bar 16 is sucked and held on the negative bar carrier 28 and lifted. Thereby, the negative bar 16 sucked and held by the negative bar carrier 28 is
It is possible to determine whether the negative plate 16A is for the printing plate P1 or the negative bar 16B for the printing plate P2.
In addition, as such a negative bar sensor 154, for example, a photoelectric sensor in which a light receiving unit and a light emitting unit are integrated can be used.

In the printing plate printing apparatus 10, the type of the negative bar 16 held and held by the negative carrier 28 is determined by the negative bar sensor 154.

The type and number of the negative bars 16 stored in the respective negative bar trays 124 are input at a predetermined timing in the printing plate printing apparatus 10.
The change according to the processing is always stored.
Thereby, a necessary negative bar can be taken out when necessary, and an unnecessary negative bar 16 can be stored in the storage device 120.

The operation of the present embodiment will be described below.

In the printing plate printing apparatus 10, the printing plate loading unit 24
When the printing plate P is loaded into the film loading unit 12 and the negative film N is loaded into the film loading unit 12 and the start of the printing process is instructed, the printing plate P is taken out from the printing plate loading unit 24 and the printing unit 20 is printed. It is supplied onto the surface plate 20A. With this,
In the printing plate printing apparatus 10, the negative film N loaded in the film loading section 12 is taken out and transported to the sticking section 14.

In the attaching section 14, the negative film N is attached to a predetermined position of the negative bar 16. Negative film N
When attached to the negative bar 16, the negative bar 16 is attracted to the film carrier 26, and the negative bar 16 is attracted to the negative bar carrier 28 which moves integrally with the film carrier 26.

When the negative film N and the negative bar 16 are attracted by the film carrier 26 and the negative bar carrier 28, the film carrier 26 and the negative bar carrier 28 convey the film from the sticking section 14 to the standby section 18, and
The negative film N and the negative bar 16 are placed on a set / reset table (not shown). Thereafter, the negative bar 16 and the negative film N are integrally conveyed to the printing unit 20 and mounted on the printing plate P positioned and mounted on the printing surface plate 20A. At this time, the negative bar 16 is
The negative film N is positioned on the printing plate P by being positioned with respect to the printing platen 20A by a positioning pin (not shown) sent out to the printing plate P. The printing plate P is exposed in close contact with the negative film N.

When the printing process on the printing plate P is completed, the negative film N is placed on a set / reset table together with the negative bar 16 and sent to the standby unit 18.
From the film carrier 26 and the negative carrier 28 to the attaching section 14. At this time, the negative film N is peeled from the negative bar 16 by the peeling device 82 provided on the film carrier 26.

The negative film N transported to the attaching section 14 while being peeled off from the negative bar 16 is placed on a discharge tray (not shown) moved into the attaching section 14.
Further, the negative bar 16 from which the negative film N has been peeled off is attached to the next negative film N by the attaching section 14,
The storage device 1 provided in the standby unit 18 is returned to the standby unit 18 while being suction-held by the negative bar carrier 28.
It is mounted on the 20 negative bar trays 124 and stored.

By the way, in the printing plate printing apparatus 10, 2L1
The negative plate 16 can be replaced with the negative bar 16A and the negative bar 16B with the W size printing plate P1 and the 2L2 W size printing plate P2, and the image printing on the printing plate P is performed in order to quickly print the image on the printing plate P. In the meantime, the next negative film N can be attached to the negative bar 16 to prepare for printing. Further, it is possible to perform processes such as a split run in which separate images are printed on the top side and the ground side of the printing plate P, and overprinting in which images of two negative films N are printed.

Plate printing apparatus 10 applied to this embodiment
Is provided with a storage section 120 for storing the negative bar 16 so that the extra negative bar 16 can be taken out as needed. In the printing plate printing apparatus 10, the necessary negative bar 16 is taken out from the storage device 120, and the surplus negative bar 16 can be stored in the storage device 120.

The following describes the operation of the negative bar 16 to the storage device 120.
And taking out of the negative bar 12 from the storage device 120 will be described.

When the negative bar 16 from which the negative film N has been peeled is stored in the storage device 120, the negative bar 16
The negative bar carrier 28 holding the suction
Move to At the same time, the air cylinder 128 provided in the storage device 120 is driven to move any of the plurality of negative bar trays 124 to the position where the negative bar 16 is attached / detached. As a result, the corresponding negative bar tray 124 is arranged below the negative bar carrier 28 that has moved to the standby unit 18.

By driving the elevating motor 68 in this state, the negative bar carrier 28 holding the negative bar 16 by suction is lowered together with the film carrier 26. Accordingly, the negative bar 16 sucked and held by the negative bar carrier 28 moves toward the negative bar tray 124.

When the negative bar 16 moves toward the negative bar tray 124, the mounting pins 132 provided on the negative bar tray 124 are inserted into the pin holes 56, 58 formed in the negative bar 16, and in this state, the negative bar 16 Is released, the negative bar 1 is released.
6 is placed on the negative tray 124.

The mounting pin 132 provided in the negative bar tray 124 has a pin portion 136 formed in a thin plate shape to be inserted into the pin holes 56, 58, so that the mounting pin 132 can smoothly move the pin holes 56, 58 of the negative bar 16. Break into In addition, since the negative bar carrier 28 is provided with the pushing claws 142 and 144 opposed to both ends in the longitudinal direction of the negative bar 16, even if the negative pin 16 is caught in the middle of the pin portion 136 of the mounting pin 132, the negative bar 16 is not moved. Negative bar tray 1
24 can be depressed. This ensures that the negative bar 16 is placed at a predetermined position on the negative bar tray 124 with the mounting pins 132 inserted into the pin holes 56 and 58.

As shown in FIGS. 9A to 9C, since the mounting pin 132 is formed in a thin plate shape, it can be easily formed at low cost by cutting a flat plate or the like. Can be. Although it is difficult to position the mounting pin 132 with high precision, it is possible to easily and reliably perform the temporary positioning by using the mounting pin 132 at a temporary position.

Therefore, not only the negative bar tray 124, but also the negative
It can also be used for mounting. Further, the present invention is not limited to the negative bar 16, and may be used for temporary positioning of the negative film N when, for example, a negative film having punch holes formed on a tray (not shown) provided in the film loading unit 12 is loaded. .

On the other hand, the pushing claws 142 and 144 provided on the negative bar carrier 28 are opposed to the positioning pin holes 52 and 54 formed on the negative bar 16, so that they are positioned in the pin holes 52 and 54. When inserting the pin, the pin holes 52 and 54 can be pressed down while suppressing the periphery thereof, so that the negative bar 16 can be reliably positioned using the pin holes 52 and 54.

The storage device 120 includes a negative bar tray 124.
When the negative bar 16 is put on the negative bar tray 124 on which the negative bar 16 is placed, the air cylinder 128 is driven.
To its original position. Since the negative bar carrier 28 is opened when the negative bar tray 124 is returned to the original position, the negative film N is attached from a set / reset table (not shown) provided below the storage device 120. The delivery of the negative bar 16 will not be hindered.

On the other hand, the negative bar tray 1 of the storage device 120
On the side 24, the negative bar 16 can be manually attached and detached from the cut portion 146 side, that is, from the outside of the machine frame. At this time, the negative bar 16 on the negative bar tray 124 can be easily grasped by the cutout portion 146. When the negative bar 16 is mounted on the negative bar tray 124, if the negative bar 16 is misoriented, the width guide 148 causes the negative bar 16 to float above the negative bar tray 124.

That is, the slot 38 side is directed toward the back of the apparatus (inside the standby section 18), and the mounting pins 13 are inserted into the pin holes 56 and 58.
2 is inserted, the negative bar 16 is
8 and 150 are placed on the negative bar tray 124.

On the other hand, with the reinforcing plate 44 side facing the back of the device, the mounting pin 132 is inserted into the pin hole 5 of the negative bar 16.
6 and 58, the negative bar 16 comes into contact with the width guide 148 and is partially lifted from the negative bar tray 124. Thereby, it can be clearly determined that the negative bar 16 is not loaded in an appropriate direction.

Negative bar 1 stored in storage device 120
When the negative 6 is taken out, the negative bar carrier 28 is placed in the standby section 18 without holding the negative bar 16 by suction. In this state, the air cylinder 128 of the negative bar tray 124 on which the desired negative bar 16 is placed is operated. Thereby, the negative bar tray 124 on which the desired negative bar 16 is placed is moved to the position where the negative bar 16 is attached and detached.

In this state, the negative bar 16 is taken out of the negative bar tray 124 by lowering the negative carrier 28 and sucking the negative bar 16 on the negative bar tray 124 by the suction cup 88 and then raising the negative bar carrier 28. At this time, since the negative bar 16 is mounted while being positioned by the mounting pins 132 provided on the negative bar tray 124, the negative bar 16
Are held in a state of being positioned with respect to the negative bar carrier 28.

On the other hand, the negative bar carrier 28 is provided with a negative bar sensor 154 facing the long hole 60 formed in the negative bar 16A.
By detecting the presence or absence of the long hole 60 by 54, it is possible to confirm whether or not a desired negative bar 16 has been taken out, and it is possible to take out an appropriate negative bar 16 according to the size of the printing plate P.

The present embodiment described above does not limit the configuration of the present invention. In the present embodiment,
Although the negative film N is used as the original film, the present invention is not limited to the negative film N, but can be applied to a plate printing apparatus for printing an image recorded on another original film such as a positive film onto a printing plate.

Further, the film holding bracket used in the plate printing apparatus to which the present invention is applied is not limited to the negative bar 16, but may have any shape as long as it can appropriately position the original film. it can. Storage device 120
May be used in accordance with the auxiliary film fitting used.

[0111]

As described above, according to the present invention, since the auxiliary metal fittings for the film can be easily attached and detached, there is an excellent effect that the auxiliary metal fittings for the film can be smoothly handled in the printing plate printing apparatus. can get. Further, in the present invention, even when the film auxiliary metal fitting is manually attached to and detached from the tray, it can be reliably performed without erroneous loading.

Further, according to the present invention, a mounting pin for holding the auxiliary film fitting at a predetermined position on the tray can be obtained at low cost.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a flow of processing of a printing plate and a negative film in a plate printing apparatus applied to the present embodiment.

FIGS. 2A and 2B are schematic perspective views showing a negative bar applied to the present embodiment, and FIG. 2A is a printing plate P2;
And (B) shows a negative bar used for the printing plate P1.

FIG. 3 is a schematic plan view showing a film carrier provided in the plate printing apparatus.

FIG. 4 is a schematic side view of the film carrier as viewed in the vertical direction of the negative film.

FIG. 5 is an exploded perspective view showing a schematic configuration of a negative bar carrier provided integrally with a film carrier.

FIG. 6 is a schematic configuration diagram showing a storage device, a film carrier, and a negative bar carrier to which the present invention is applied, as viewed along a width direction of a negative film.

FIG. 7 is a schematic perspective view of the storage device and the negative bar carrier as viewed from the ground side in the vertical direction.

FIG. 8 is a schematic perspective view of the storage device as viewed from the top in the top and bottom directions.

9A is a schematic perspective view showing a mounting pin, FIG. 9B is a schematic plan view showing a mounting pin corresponding to a pin hole formed as a round hole, and FIG. 9C is a pin formed as a long hole; FIG. 4 is a schematic plan view showing a mounting pin for a hole.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Plate printing apparatus 16, 16A, 16B Negative bar (Auxiliary metal fittings) 18 Standby part 26 Film carrier 28 Negative bar carrier (transporting means) 52, 54, 56, 58 Pin hole 120 Storage device 124 Negative bar tray 126 Slide guide (holding) Means) 128 Air cylinder (moving means) 132 Mounting pin 134 Base 136 Pin 146 Notch 148, 150 Width guide

Claims (5)

[Claims] An image printing apparatus for printing an image recorded on an original film onto a printing plate positioned on a printing platen, wherein the printing film is attached to a predetermined position and the printing film is fixed. A storage device for a film auxiliary metal fitting for storing a band-shaped film auxiliary metal fitting for positioning the original film with respect to a printing plate by being transported onto a board and being positioned with respect to the printing platen, A plurality of trays on which the film auxiliary fittings are placed, and the trays are movably stacked at predetermined intervals so as to be movable between a storage position of the film auxiliary fittings and a mounting / dismounting position opposed to a transporting unit for transporting the film auxiliary fittings. Holding means for holding the tray, and moving means provided for each of the trays for moving the tray between the storage position and the mounting / dismounting position. Storage device of the film for the auxiliary fitting for. 2. A mounting pin which is provided on the tray and is inserted into a pin hole formed in the film auxiliary metal fitting to hold the film auxiliary metal fitting placed on the tray at a predetermined position. 2. The method according to claim 1, further comprising:
A storage device for the auxiliary metal fittings for a film according to the above. 3. When the pin hole of the auxiliary film fitting is formed so as to be deviated to one end in the width direction, the film auxiliary fitting protrudes from the tray at both ends in the width direction of the auxiliary film fitting. The storage device for a film auxiliary fitting according to claim 2, further comprising a width guide formed. 4. A notch formed in the tray so as to extend from one end side of the tray to below the auxiliary film fitting mounted on the tray.
The storage device for a film auxiliary fitting according to any one of claims 1 to 3. 5. By being inserted into a pin hole formed at a predetermined position of a member to be placed placed on a flat base,
A mounting pin for holding the mounting member at a substantially predetermined position on the flat base, the mounting pin being formed by a base formed in a flat plate shape, and a pin portion extending substantially triangularly from the base. A mounting pin, characterized in that: