Exposure film jig structure

Abstract

The utility model discloses an exposure film jig structure which comprises a jig bottom plate and a cover plate, the jig bottom plate is provided with an adsorption mechanism, the adsorption mechanism comprises a miniature vacuum pump installed on the side face of the jig bottom plate, an air delivery pipe and a film placing table, the air delivery pipe and the film placing table are installed in the jig bottom plate, the air delivery pipe is provided with a positioning column, and the film placing table is provided with a positioning hole. An air cavity is formed in the film placing table, an adsorption hole is formed in the surface of the top of the film placing table, a pressing mechanism is arranged on the cover plate and comprises a stabilizing plate, a positioning shaft, a flattening cylinder, a limiting plate and a lifting rod, and the positioning shaft penetrating through the flattening cylinder is installed between the opposite surfaces of the stabilizing plate; the positions of the limiting plate and the lifting rod are adjusted, so that the flattening cylinder is pressed at different positions of the film, the flattening cylinder tightly presses the film to avoid deviation of the film, the micro vacuum pump operates and sucks air in the film placing table to form an air pressure difference, the film is tightly attached to the film placing table, and the film can be quickly and firmly fixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of jigs, and in particular relates to an exposure film jig structure. Background Art

[0002] Film, that is, silver salt photosensitive film, generally refers to film rolls, and can also refer to negatives in printing plate making, which are made of PC / PP / PET / PVC materials. The exposure principle of film refers to the use of film as a light capturing medium in photography. Through the process of exposure and development, light is projected onto the photosensitive agent on the surface of the film to form a visible image. Film is a conventional film. China's utility model authorized patent application number CN202320796807.5 discloses a glass film exposure jig. During the exposure process of the film, it is a conventional method to use a jig to fix it. The jig is also a conventional tool for fixing the film.

[0003] When the jig secures the film, the film is placed inside the jig plate, and the clamps on the jig plate need to be manually operated to rotate the clamps so that the clamps clamp the corners or sides of the film to secure the film. However, the above operation process requires adjustment of multiple clamps and fine-tuning. The clamps clamping the film will also occupy part of the position covering the film, which is not conducive to comprehensive processing of the film. The film placement and removal require multiple adjustments of the clamps, which is cumbersome. In addition, the film securing process is not stable enough, and the film cannot be removed conveniently. When the jig secures the film, there is a problem that the film cannot be secured quickly. For this reason, the present application proposes an exposure film jig structure. Utility Model Content

[0004] The utility model aims to provide a film exposure fixture structure to solve the problem that the fixture cannot quickly fix the film when fixing the film as mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exposure film jig structure, comprising a jig base plate and a cover plate, wherein the jig base plate is provided with an adsorption mechanism, wherein the adsorption mechanism comprises a miniature vacuum pump installed on the side of the jig base plate, and an air pipe and a film placement table installed in the jig base plate, wherein the air pipe is provided with a positioning column, an air cavity is provided inside the film placement table, an adsorption hole is provided on the top surface of the film placement table, and a clamping mechanism is provided on the cover plate, wherein the clamping mechanism comprises a stabilizing plate, a positioning shaft, a leveling cylinder, a limiting plate and a lifting rod, wherein the positioning shaft penetrating the leveling cylinder is installed between opposite surfaces of the stabilizing plate, and the lifting rod penetrates the bottom end of the limiting plate and is connected with the stabilizing plate.

[0006] Preferably, the micro vacuum pump is provided with an air inlet nozzle, the air supply pipe is connected to the air inlet nozzle, the positioning column is a hollow structure, the positioning column is connected to the inside of the air supply pipe, and the adsorption hole is connected to the air cavity.

[0007] Preferably, a rectangular slide groove is provided on the cover plate, the lifting rod passes through the slide groove, and the bottom surface of the limit plate is consistent with the top surface of the cover plate.

[0008] Preferably, the leveling cylinder rotates around the positioning axis, and the inner side walls opposite to the cover plate are provided with inwardly concave limiting grooves.

[0009] Preferably, a limiting column is provided on the opposite surface of the stabilizing plate, and the end of the limiting column is gap-matched with the limiting groove.

[0010] Preferably, the top end of the lifting rod is a circular ring structure, the lifting rod is screwed and connected to the limiting plate through a thread, and the bottom end of the lifting rod is connected to the stabilizing plate through a bearing.

[0011] Preferably, a lifting assembly is provided on the inner surface of the jig base plate, and the lifting assembly includes a lifting plate, a guide cylinder, a connecting plate and a stabilizing column, the stabilizing column is installed on the inner surface of the jig base plate, the guide cylinder is installed on the lifting plate, and the guide cylinder passes through the end of the connecting plate.

[0012] Preferably, one end of the lifting plate is a "Z"-shaped structure, the stabilizing column passes through the end of the lifting plate and is embedded in the guide cylinder, the guide cylinder is slidably connected to the stabilizing column, a positioning groove is provided on the top surface of the film placement table, one end of the lifting plate is gap-matched with the positioning groove, and the lifting plate is flush with the film placement table.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the positions of the limit plate and the lifting rod are adjusted so that the flattening cylinder is pressed on different positions of the film. The flattening cylinder presses the film tightly to prevent it from shifting. The micro vacuum pump runs and sucks the air inside the film placement table to form an air pressure difference, so that the film fits tightly on the film placement table, and the film can be quickly and firmly fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the main structure of the cover plate and the fixture bottom plate being closed in the utility model;

[0017] Figure 3 For the utility model Figure 1 Schematic diagram of the three-dimensional structure of the film placement table in the AA direction;

[0018] Figure 4 It is a schematic diagram of the structure inside the cover plate of the utility model;

[0019] Figure 5This is a schematic diagram of the main structure of the lifting plate of the utility model;

[0020] In the figure: 1. fixture base plate; 2. cover plate; 3. micro vacuum pump; 4. air pipe; 5. film placement table; 41. positioning column; 51. adsorption hole; 52. positioning groove; 53. air cavity; 61. stabilizing plate; 62. positioning shaft; 63. leveling cylinder; 64. limiting plate; 65. lifting rod; 71. lifting plate; 72. guide cylinder; 73. connecting plate; 74. stabilizing column; 611. limiting column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figures 1 to 4 The utility model provides a technical solution: an exposure film fixture structure, including a fixture bottom plate 1 and a cover plate 2, the fixture bottom plate 1 and the cover plate 2 are connected by hinges, the cover plate 2 can be flipped, the fixture bottom plate 1 is provided with an adsorption mechanism, the adsorption mechanism includes a micro vacuum pump 3 installed on the side of the fixture bottom plate 1, and an air pipe 4 and a film placement table 5 installed in the fixture bottom plate 1, the air pipe 4 and the film placement table 5 are connected to the fixture bottom plate 1 by screws, the air pipe 4 and the film placement table 5 are connected internally, the air pipe 4 is provided with a positioning column 41, the positioning column 41 plays a role in positioning and ventilation, the interior of the film placement table 5 is provided with an air cavity 53, the air pipe 4 is connected to the air cavity 53, the top surface of the film placement table 5 is provided with an adsorption hole 51, the film placement On the surface of the film placement table 5, the micro vacuum pump 3 runs and sucks the air inside the film placement table 5 to form an air pressure difference, so that the film fits tightly on the film placement table 5, which can quickly and firmly fix the film and prevent the film from shifting; a clamping mechanism is provided on the cover plate 2, and the clamping mechanism includes a stabilizing plate 61, a positioning shaft 62, a flattening cylinder 63, a limiting plate 64 and a lifting rod 65. The positioning shaft 62 that passes through the flattening cylinder 63 is installed between the opposite surfaces of the stabilizing plate 61, and the lifting rod 65 passes through the bottom end of the limiting plate 64 and is connected to the stabilizing plate 61. The cover plate 2 is closed, and the flattening cylinder 63 flatly presses the film on the surface of the film placement table 5 to keep it in a close state to prevent it from tilting. The positions of the limiting plate 64 and the lifting rod 65 can be adjusted to press the flattening cylinder 63 at different positions of the film.

[0024] In this embodiment, an air inlet nozzle is provided on the micro vacuum pump 3, the air supply pipe 4 is connected to the air inlet nozzle, the positioning column 41 is a hollow structure, the positioning column 41 is connected to the inside of the air supply pipe 4, the adsorption hole 51 is connected to the air cavity 53, and the micro vacuum pump 3 runs and sucks the air inside the film placement table 5 to form an air pressure difference, so that the film fits tightly on the film placement table 5, and can quickly and firmly fix the film.

[0025] In this embodiment, a rectangular slide groove is opened on the cover plate 2, and the lifting rod 65 passes through the slide groove. The bottom surface of the limit plate 64 is consistent with the top surface of the cover plate 2. The position of the limit plate 64 and the lifting rod 65 can be adjusted so that the flattening cylinder 63 is pressed at different positions of the film.

[0026] In this embodiment, the leveling cylinder 63 rotates around the positioning shaft 62, and the leveling cylinder 63 can roll to prevent the leveling cylinder 63 from causing the film to deviate. A concave limiting groove is provided on the opposite inner side walls of the cover plate 2, and a limiting column 611 is provided on the opposite surface of the stabilizing plate 61. The end of the limiting column 611 is matched with the gap of the limiting groove, and the limiting column 611 is embedded in the limiting groove. The limiting column 611 is positioned to keep the stabilizing plate 61 in a stable state.

[0027] In this embodiment, the top end of the lifting rod 65 is a circular ring structure, the lifting rod 65 is connected to the limit plate 64 by a threaded connection, and the bottom end of the lifting rod 65 is connected to the stabilizing plate 61 by a bearing. The height position of the lifting rod 65 and the stabilizing plate 61 can be adjusted, which is conducive to the flattening cylinder 63 to press the film tightly, and is suitable for films of different thicknesses.

[0028] In summary: the positions of the limit plate 64 and the lifting rod 65 can be adjusted so that the flattening cylinder 63 is pressed on different positions of the film. The flattening cylinder 63 presses the film tightly, and the micro vacuum pump 3 runs and sucks the air inside the film placement table 5 to form an air pressure difference, so that the film fits tightly on the film placement table 5, and the film can be quickly and firmly fixed.

[0029] Example 2

[0030] See also Figures 1 to 5 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. In order to quickly take out the film, a lifting assembly is provided on the inner surface of the jig base plate 1. The lifting assembly includes a lifting plate 71, a guide cylinder 72, a connecting plate 73 and a stabilizing column 74. The stabilizing column 74 is installed on the inner surface of the jig base plate 1. The stabilizing column 74 is screwed together with the jig base plate 1 by a thread. The guide cylinder 72 is installed on the lifting plate 71. The guide cylinder 72 is welded to the lifting plate 71. The guide cylinder 72 passes through the end of the connecting plate 73. The guide cylinder 72 and the connecting plate 73 are bonded together by glue.

[0031] In this embodiment, one end of the lifting plate 71 is a "Z"-shaped structure, and the stabilizing column 74 passes through the end of the lifting plate 71 and is embedded in the guide tube 72. The guide tube 72 is slidably connected to the stabilizing column 74. A positioning groove 52 is provided on the top surface of the film placement table 5. One end of the lifting plate 71 is gap-matched with the positioning groove 52. The lifting plate 71 is flush with the film placement table 5. When taking out the film, the connecting plate 73 is pulled up, the guide tube 72 and the lifting plate 71 are moved up, and the lifting plate 71 lifts the film so that there is a gap between the film placement table 5 and the film, which is convenient for taking out the film.

[0032] In summary, when taking out the film, the connecting plate 73 is pulled up, the guide cylinder 72 and the lifting plate 71 are moved up, and the lifting plate 71 lifts the film so that there is a gap between the film placing table 5 and the film, which is convenient for taking out the film.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A film exposure fixture structure, comprising a fixture base plate (1) and a cover plate (2), characterized in that: The jig bottom plate (1) is provided with an adsorption mechanism, the adsorption mechanism comprising a micro vacuum pump (3) installed on the side of the jig bottom plate (1), and an air pipe (4) and a film placement table (5) installed inside the jig bottom plate (1); the air pipe (4) is provided with a positioning column (41); an air cavity (53) is provided inside the film placement table (5); a top surface of the film placement table (5) is provided with an adsorption hole (51); the cover plate (2) is provided with a clamping mechanism, the clamping mechanism comprising a stabilizing plate (61), a positioning shaft (62), a leveling cylinder (63), a limiting plate (64) and a lifting rod (65); the positioning shaft (62) penetrating the leveling cylinder (63) is installed between opposite surfaces of the stabilizing plate (61); the lifting rod (65) penetrates the bottom end of the limiting plate (64) and is connected to the stabilizing plate (61).

2. The exposure film fixture structure according to claim 1, characterized in that: The micro vacuum pump (3) is provided with an air inlet nozzle, the air delivery pipe (4) is connected to the air inlet nozzle, the positioning column (41) is a hollow structure, the positioning column (41) is connected to the inside of the air delivery pipe (4), and the adsorption hole (51) is connected to the air cavity (53).

3. The exposure film fixture structure according to claim 1, characterized in that: The cover plate (2) is provided with a rectangular slide groove, the lifting rod (65) passes through the slide groove, and the bottom surface of the limit plate (64) is consistent with the top surface of the cover plate (2).

4. The exposure film fixture structure according to claim 1, characterized in that: The leveling cylinder (63) rotates around the positioning shaft (62), and the opposite inner side walls of the cover plate (2) are provided with inwardly concave limiting grooves.

5. The exposure film fixture structure according to claim 4, characterized in that: A limiting column (611) is provided on the opposite surface of the stabilizing plate (61), and the end of the limiting column (611) is loosely matched with the limiting groove.

6. The exposure film fixture structure according to claim 1, characterized in that: The top end of the lifting rod (65) is a circular ring structure, the lifting rod (65) is screwed together with the limiting plate (64) through a thread, and the bottom end of the lifting rod (65) is connected to the stabilizing plate (61) through a bearing.

7. The exposure film fixture structure according to claim 1, characterized in that: The inner surface of the jig base plate (1) is provided with a lifting assembly, and the lifting assembly includes a lifting plate (71), a guide cylinder (72), a connecting plate (73) and a stabilizing column (74), wherein the stabilizing column (74) is installed on the inner surface of the jig base plate (1), and the guide cylinder (72) is installed on the lifting plate (71), and the guide cylinder (72) passes through the end of the connecting plate (73).

8. The exposure film fixture structure according to claim 7, characterized in that: One end of the lifting plate (71) is a "Z"-shaped structure, the stabilizing column (74) passes through the end of the lifting plate (71) and is embedded in the guide tube (72), the guide tube (72) and the stabilizing column (74) are slidably connected, a positioning groove (52) is provided on the top surface of the film placement table (5), one end of the lifting plate (71) is clearance-matched with the positioning groove (52), and the lifting plate (71) is flush with the film placement table (5).

Images