JP2576013Y2 - Film mounting device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film mounting apparatus, and more particularly to a film mounting apparatus for mounting a film on an automatic printing apparatus.

[0002]

2. Description of the Related Art As a multi-face printing machine (an example of a printing apparatus) which does not require a large installation space, an inclined type printing machine is known. The tilting type plate printing machine includes a printing table capable of holding a photosensitive material in an inclined standing position, an original plate holder which holds an original film and is movable in two directions orthogonal to each other on the printing table, and It mainly includes a moving printing light source. When printing is performed using this printing machine, the original plate holder holding the film is moved on the printing table to position the film on the printing table at a predetermined position on the photosensitive material. Then, when the film and the photosensitive material are brought into close contact with each other and the light source for printing is turned on, the photosensitive material is exposed, and the image of the film is printed on the photosensitive material.

In this type of printing apparatus, a film supply unit for stocking a plurality of films supplied to an original plate holder in a laminated state is provided, and the film supply unit is provided with positioning holes provided in the original film. Corresponding positioning pins are arranged. As a configuration for setting a plurality of original films in such a film supply section, Japanese Patent Laid-Open No. 3-284756 discloses a method in which a plurality of auxiliary positioning holes are provided in the original film in addition to the positioning holes, and the auxiliary positioning holes are provided in the auxiliary positioning holes. A configuration is shown in which a plurality of pins of a holder are inserted to set an original film.

[0004]

SUMMARY OF THE INVENTION In the above conventional configuration,
In order to realize a configuration in which the original film is set in the film supply unit, it is necessary to provide an auxiliary positioning hole other than a normal positioning hole in the original film. For this reason, it is necessary to use a special film as the original film. SUMMARY OF THE INVENTION An object of the present invention is to make it easier to set an original film and to eliminate the need to use a special original film.

[0005]

SUMMARY OF THE INVENTION A film mounting apparatus according to the present invention uses a plurality of films positioned by inserting positioning holes into positioning pins provided in a film supply section of an automatic printing apparatus. This is an apparatus for mounting a film on an automatic printing apparatus that performs printing operations in a predetermined order. This device includes a film receiving stand and a film holding device. The film holder has a dummy pin disposed at a position corresponding to the position of the positioning pin. The film holding device is for removably holding a film placed on a film receiving stand at a position not covering a positioning hole.

[0006]

In the film mounting apparatus according to the present invention, a plurality of films are stacked on the film receiving table. At this time, each film is positioned using the dummy pins. Then, the plurality of films positioned on the film receiving table are sandwiched by the film sandwicher.

When a plurality of films sandwiched by the film clamper are set in the automatic printing apparatus, since the plurality of films are accurately overlapped in advance by the dummy pins of the film receiving stand, the film positioning holes must be formed. It can be easily inserted into the positioning pins of the automatic printing apparatus. When the setting of the film using the positioning pins is completed, the film holding device is removed from the film. This allows
The film mounting operation is completed.

In this case, since the film receiving stand and the film holding device are used as described above, the film can be easily mounted on the automatic printing apparatus, and it is not necessary to use a special film.

[0009]

FIG. 1 shows a film mounting apparatus 1 as an embodiment of the present invention. This film mounting device 1
It has a film receiving table 2 and a film holding device 3.
The film receiving base 2 is a substantially square base when viewed from above, and has a step portion 4 for receiving the film holding device 3 on one side thereof. The center of the film holder 2 is 3
A pair of dummy pin installation portions 5a, 5b, 5c is provided, and a dummy pin 6 is mounted on one of the pairs. The dummy pin installation sections 5a, 5b, 5c are arranged at positions corresponding to the arrangement of positioning pins 38 of the intaglio machine 30, which will be described later. Further, a pin driving lever 7 is provided on one side surface of the film receiving base 2.

As shown in FIGS. 2 and 3, the base of the pin drive lever 7 is fixed to one end of a rod 8 extending in the horizontal direction. The rod 8 is rotatably supported on the side wall surface of the film receiving base 2, and has a cam 9 below the dummy pin 6. On the other hand, the dummy pin 6 has a flange 10 at its lower end, and the cam 9 is in contact with the lower surface of the flange 10. A coil spring 11 is fitted to the pin 6 in a compressed state between the flange 10 and the film receiving base 2. The dummy pin 6 is constantly urged downward by the coil spring 11. The cam 9
2 and 3, the upper part of the pin 6 projects above the film receiving base 2 in the pin projecting state shown in FIGS. 2 and 3, and the upper end of the pin 6 is higher than the upper end surface of the film receiving base 2 in the pin retracted state (not shown). It is set to be located slightly below.

The film holding device 3 detachably holds the film A placed on the film receiving table 2, and has a substantially U-shaped cross section as shown in FIG. A rubber plate 20 is attached on the lower end wall of the main body 3a of the film holding device 3. On the other hand, a pressing plate 21 is disposed in the film holding device 3 at a position facing the rubber plate 20, and a rubber plate 22 is attached to a lower surface of the pressing plate 21. Press plate 2
The lower end of the male screw member 23 is rotatably connected to 1. The upper part of the male screw member 23 is the clamp body 3a.
And a disk-shaped knob 24 is fixed to the upper end thereof. On the other hand, a nut 25 screwed to the male screw member 23 is fixed to the holder main body 3a, and the male screw member 23 moves up and down by rotating with respect to the nut 25.

The film holding device 3 has shoulders 26 at both ends. Further, a pair of locking fittings 27 is attached to the back surface of the film holding device 3. FIG. 5 shows an inclined type intaglio machine 30 on which the film A is set by the above-described film table mounting device 1. This inclined type stencil machine 30
Is a printing table 31, a carriage 32 movable in the left-right direction (X-axis direction) of the printing table 31, and a mount 33 attached to the carriage 32 and movable in the Y-axis direction.
And an original plate holder 34 and a light source unit 35 attached to the gantry 33.

The printing table 31 has an inclined surface whose angle from the horizontal plane is set to, for example, 70 °, and a film supply section 36 is disposed at a lower left portion thereof, and a film discharge section 37 is disposed at an upper left portion thereof. Have been. Carriage 32
Is movable in the X-axis direction on the printing table 31 by a moving mechanism (not shown) including a ball screw, a motor, and the like provided in the X-axis direction. The gantry 33 is moved by a moving mechanism (not shown) including a ball screw and a motor provided in the Y-axis direction.
It is movable in the axial direction. As a result, the original plate holder 34 and the light source unit 35 are movable in the X and Y axis directions.

The original plate holder 34 has a suction mechanism (not shown) for sucking and holding the film A. The light source unit 35 has a lamp (not shown) inside.
Next, FIG. 6 shows a carrier 40 used when transferring the film A held by the film holding device 3. The carrier 40 has a pair of arms for mounting the shoulder 26 of the film clamp 3. At the lower end of the carrier 40, four casters 42 are provided. As shown in FIG. 6, the film holding device 3 holding the film A can be disposed between the arms 41.

Next, the operation of the above embodiment will be described. First, the dummy pins 6 of the film receiving base 2 are attached according to the size of the film A to be used (corresponding to the positioning holes). Then, with the dummy pins 6 protruding upward as shown in FIGS. 2 and 3, the film A is placed on the film receiving table 2 from above, and the positioning holes B of the film A are inserted into the dummy pins 6 as shown in FIG. Insert. As a result, the plurality of films A are superimposed while being positioned by the dummy pins 6.

Next, as shown in FIG. 7, the film holding device 3 is moved closer to the film A from the step portion 4 side. Then, the film A is inserted between the rubber plates 20 and 22. Next, the pressing plate 21 is rotated by rotating the knob 24 by hand.
Is lowered, and the film A is sandwiched between the rubber plate 20 and the rubber plate 22. When the holding of the film A by the film holding device 3 is completed, the lever 7 is rotated. Thereby, the cam 9 rotates and the dummy pin 6 descends due to the elasticity of the coil spring 11. As a result, the dummy pins 6 come out of the film A. Next, the film A is moved from the film receiving stand 2 so that the film clamper 3 faces upward.
And locked on the carrier 40 of FIG. Then, by moving the carrier 40, the film A is transported to the intaglio machine 30 side.

In the intaglio machine 30, the latch metal 27 is hooked to the intaglio machine-side latch metal (not shown), and then the film A removed from the carrier 40 is positioned by the positioning pins 38, and the film A is supplied to the film supply section 36. set. Then, by turning the knob 24 of the film holding device 3, the holding of the film A by the pair of rubber plates 20 and 22 is released,
The film clamp 3 is removed from the film A. Thus, the setting of the film A on the printing plate machine 30 is completed.

When the intaglio operation is started in the intaglio machine 30, the intaglio machine 30 automatically operates according to a predetermined intaglio program, and the original plate holder 34 sucks and holds the film A on the film supply section 36. Printing is performed on the photosensitive material on the printing table 31 using the light source unit 35. The film A that has been baked is discharged to the film discharge unit 37.

As described above, in this embodiment, since the film holding device 3 is configured to hold the film A in a detachable manner, it is not necessary to provide a special auxiliary hole in the film A. Can be used. Therefore, according to this embodiment, the setting of the film A is easy and there is no need to use a special film A.

[Other Embodiments] The structure shown in FIG. In the film holding device 3 shown in FIG.
The torsion spring 28 is disposed between the pressing plate 21 and the pressing plate 21. The lower portion of the stud pin 52 is connected to the pressing plate 21. The stud pins 52 project upward through the main body 3a. A lever 54 is rotatably connected to the protruding portion of the stud pin 52 via a pin 53.

In this embodiment, the pressing plate 21 is moved downward by the torsion spring 51 so that the pair of rubber plates 2
The film A is pinched by 0,22. Also, lever 5
4, the pressing plate 21 is moved upward in FIG. 8 against the torsion spring 51, and the holding of the film A is released.

[0022]

The film mounting apparatus according to the present invention includes the film receiving base having the dummy pins and the film holding device for holding the film detachably, so that the film can be easily set on the automatic printing apparatus. It is not necessary to use a special film.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is a perspective view of an example of an automatic printing apparatus.

FIG. 6 is a partial perspective view of a carrier.

FIG. 7 is a view corresponding to FIG. 1 showing a use state of the embodiment of the present invention.

FIG. 8 is a view corresponding to FIG. 4 of another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Film mounting apparatus 2 Film receiving stand 3 Film holding device 6 Dummy pin 30 Duplicating machine 36 Film supply part 38 Positioning pin A Film B Positioning hole

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) G03B 9/00 G03B 7/20 G03B 27/02

Claims (1)

(57) [Scope of request for utility model registration] 1. An automatic printing apparatus that performs a printing operation in a predetermined order by using a plurality of films positioned by inserting positioning holes into positioning pins provided in a film supply unit of the automatic printing apparatus. On the other hand, it is a film mounting device for mounting the film, comprising: a film receiving base having a dummy pin disposed at a position corresponding to an arrangement of the positioning pin; and the film mounted on the film receiving base. A film holding device for detachably holding the positioning hole in a position not covering the positioning hole.