CN219642079U

CN219642079U - Screen printing plate copying machine

Info

Publication number: CN219642079U
Application number: CN202320725619.3U
Authority: CN
Inventors: 裴鸿锋; 徐峰; 林晨; 陈倩倩; 姜绍熙
Original assignee: Zhejiang Dewo Technology Co ltd
Current assignee: Zhejiang Dewo Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-09-05
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to the field of screen printing production equipment, in particular to a screen printing plate copying machine, which comprises a frame, wherein an exposure chamber is arranged in the frame; the device also comprises a movable supporting component arranged in the exposure chamber, a plate copying component arranged on the movable supporting component and a glass plate arranged on the edge of the opening of the exposure chamber; the movable support assembly comprises at least one telescopic electric cylinder vertically arranged at the bottom of the exposure chamber, a linear electric cylinder arranged at the telescopic end of the telescopic electric cylinder and a support plate arranged on a linear electric cylinder sliding block; the plate burning assembly is arranged on the supporting plate; the plate-making assembly is capable of exposing a plate-making negative and a screen plate placed on a glass plate. The utility model has the effect of improving the exposure effect of the plate copying machine.

Description

Screen printing plate copying machine

Technical Field

The utility model relates to the field of screen printing production equipment, in particular to a screen printing plate copying machine.

Background

In pattern printing, screen printing, that is, screen printing, is often performed by using a screen printer. The screen printer comprises a screen, patterns are arranged on the screen, and the pattern can be printed on the surface of an object to be printed by scraping the dye on the screen by the scraping plate.

When producing a screen, a printing machine is often used to print the pattern on the screen. When the plate is sun-cured, the film surface of the plate-making negative film and the printing surface of the screen plate to be sun-cured are placed in a plate-burning machine oppositely, and then the film surface and the printing surface are closely attached by vacuumizing. Then exposing by a plate copying machine, and finally, developing to obtain the screen with corresponding patterns.

In the prior art, the size of the pattern and the thickness of the lines of the pattern affect the exposure time for making the screen. Too short exposure time can cause the pattern of the net to be unshaped, and too long exposure time can cause the pattern of the net to be difficult to wash and develop. Some screens require longer exposure times for their production and some screens require shorter exposure times for their production. For a screen printing plate requiring a longer exposure time, it is necessary to reduce the exposure time to improve plate making efficiency. For a screen printing plate with a shorter required exposure time, the exposure time needs to be increased to improve the plate making quality. Therefore, when exposing different screens, it is difficult to control the exposure time of the plate copying machine, resulting in a decrease in the exposure effect.

Disclosure of Invention

In order to improve the exposure effect of a plate copying machine, the utility model provides a screen printing machine.

The utility model provides a screen printing plate copying machine which adopts the following technical scheme:

a screen printing machine comprises a frame, wherein an exposure chamber is arranged in the frame; the device also comprises a movable supporting component arranged in the exposure chamber, a plate copying component arranged on the movable supporting component and a glass plate arranged on the edge of the opening of the exposure chamber;

the movable support assembly comprises at least one telescopic electric cylinder vertically arranged at the bottom of the exposure chamber, a linear electric cylinder arranged at the telescopic end of the telescopic electric cylinder and a support plate arranged on a linear electric cylinder sliding block; the plate burning assembly is arranged on the supporting plate;

the plate-making assembly is capable of exposing a plate-making negative and a screen plate placed on a glass plate.

By adopting the technical scheme, when the patterns on the plate-making negative film are required to be sun-cured on the screen, the plate-making negative film and the screen are firstly attached and placed on the glass plate, and then the exposure is carried out through the plate-burning component. When the screen printing plate needs short exposure, retrieve through flexible end of flexible electric jar and increase the interval of printing down subassembly and glass board to reduce exposure intensity in order to lengthen exposure time, and then promote exposure precision, when the screen printing plate needs longer exposure, reduce the interval of printing down subassembly and glass board through stretching out of flexible end of flexible electric jar, thereby strengthen exposure intensity in order to reduce exposure time, and then promote efficiency. Meanwhile, the plate printing assembly can horizontally reciprocate through the reciprocating movement of the linear electric cylinder sliding block, so that the uniformity of exposure is improved, and the exposure effect is improved.

Optionally, the support plate is arc-shaped, and the concave side of the support plate faces the glass plate.

Through adopting above-mentioned technical scheme, be the backup pad of arcuation and can make the spotlight degree of printing down subassembly promote to promote exposure effect.

Optionally, the flexible end of flexible electric jar is provided with the enhancement seat, the sharp electric jar passes through the enhancement seat to be connected on flexible electric jar.

Through adopting above-mentioned technical scheme, strengthen seat fixed connection in the flexible end of flexible electric jar, sharp electric jar rethread strengthens the seat and connects in the flexible end of flexible electric jar, can increase the area of contact when connecting through strengthening the seat to promote the steadiness when connecting.

Optionally, the plate copying assembly includes a plurality of iodine gallium lamps, and a plurality of iodine gallium lamps are arranged on one side of the support plate close to the glass plate in parallel at equal intervals.

By adopting the technical scheme, the light emitted by the iodine gallium lamp tubes can irradiate the glass plate, so that the exposure of the plate making negative film and the screen printing plate can be completed.

Optionally, the plate copying assembly further includes a plurality of clamping members respectively disposed at two ends of the support plate, and two ends of the iodine gallium lamp tube are detachably disposed on the support plate through two clamping members.

Through adopting above-mentioned technical scheme, make iodine gallium fluorescent tube detachable connection in the backup pad through the joint spare, can be convenient for change to iodine gallium fluorescent tube.

Optionally, the clamping piece comprises a clamping seat arranged on the supporting plate and an elastic clamping arc arranged on the clamping seat;

the elastic clamping arc has elasticity, and one end of the iodine gallium lamp tube is clamped on the elastic clamping arc.

Through adopting above-mentioned technical scheme, the cassette can fixed connection in the backup pad, and the elasticity card arc of connecting on the cassette then can be fixed with iodine gallium fluorescent tube by interference fit to carry out flexonics with iodine gallium fluorescent tube, can reduce the vibration when removing whole printing down machine, thereby protect iodine gallium fluorescent tube.

Optionally, the elastic clip arc is made of rubber.

By adopting the technical scheme, the rubber material has good elasticity and long service life, and the manufacturing cost is low, so that the production cost can be effectively reduced.

Optionally, a cooling fan is arranged on the side wall of the frame and provided with an air inlet, and the cooling fan communicates the exposure chamber with the outside.

Through adopting above-mentioned technical scheme, when sharp electric jar, flexible electric jar and iodine gallium fluorescent tube during operation, can produce the heat, radiator fan can be with the indoor hot air discharge of exposure to guarantee that the indoor stability of exposure is unlikely to too high, and then reduce sharp electric jar, flexible electric jar and iodine gallium fluorescent tube and produce the possibility of trouble.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the patterns on the plate making negative film are required to be sun-cured on the screen, the exposure time can be controlled by recovering and stretching out the telescopic end of the telescopic electric cylinder, and the exposure uniformity can be improved by the reciprocating movement of the linear electric cylinder sliding block, so that the exposure effect is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a vacuum pumping assembly according to an embodiment of the present utility model when the vacuum pumping assembly is opened.

FIG. 2 is a schematic cross-sectional view of a vacuum pumping assembly in accordance with an embodiment of the present utility model.

Reference numerals: 1. a frame; 11. an exposure chamber; 12. a universal wheel; 13. a heat radiation fan; 2. a moving support assembly; 21. a support plate; 22. a linear electric cylinder; 23. a telescopic electric cylinder; 231. a reinforcing seat; 3. a plate burning assembly; 31. a clamping piece; 311. a clamping seat; 312. elastic arc clamping; 32. an iodine gallium lamp tube; 4. a glass plate; 5. a vacuum pumping assembly; 51. a seal; 511. a sealing frame; 5111. a rubber seal ring; 512. a rubber cloth; 513. a telescopic rod; 514. a primary-secondary buckle; 52. an air extracting member; 521. an air extracting pump; 522. an exhaust pipe; 6. a vacuum chamber.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a screen printing plate copying machine.

Referring to fig. 1 and 2, a screen printing machine includes a frame 1, a moving support assembly 2, a printing module 3, a glass plate 4, and a vacuum pumping assembly 5. The frame 1 is placed on the ground, an exposure chamber 11 is arranged in the frame 1, the movable support assembly 2 is arranged on the inner wall of the exposure chamber 11 in the frame 1, and the plate copying assembly 3 is arranged on the movable support assembly 2. The glass plate 4 is fixedly connected to the edge of an opening of the exposure chamber 11, which is far away from the ground, the vacuum pumping assembly 5 is rotatably connected to one end of the frame 1, which is close to the glass plate 4, and the vacuum pumping assembly 5 can be rotated to be attached to the glass plate 4.

Plate making negative and screen can be placed on glass plate 4 and moving support assembly 2 can drive plate printing assembly 3 toward and away from glass plate 4 to control the exposure distance and duration of plate making negative and screen by plate printing assembly 3. When the vacuum pumping assembly 5 rotates to be attached to the glass plate 4, a vacuum chamber 6 is formed between the vacuum pumping assembly 5 and the glass plate 4, and the vacuum pumping assembly 5 can pump out air in the vacuum chamber 6, so that the plate making negative film and the screen plate are closely abutted.

The bottom of the end, far away from the glass plate 4, of the frame 1 is fixedly connected with a plurality of universal wheels 12 with a self-locking function, so that the whole plate copying machine can be conveniently moved, and convenience in use is improved. In the embodiment of the utility model, the number of the universal wheels 12 is four, and the four universal wheels 12 are all arranged at the corner of the frame 1. In other embodiments, the number of universal wheels 12 may be three or more.

Referring to fig. 1 and 2, the moving support assembly 2 includes a support plate 21, a linear cylinder 22, and two telescopic cylinders 23. Two flexible electric cylinders 23 are vertically and fixedly connected to two sides of the bottom of the exposure chamber 11 side by side, and the flexible ends of the flexible electric cylinders 23 are fixedly connected with a reinforcing seat 231 for increasing the connection area. One end of the bottom of the linear electric cylinder 22 is fixedly connected to one of the reinforcing seats 231, the other end is fixedly connected to the other reinforcing seat 231, and the linear electric cylinder 22 is horizontally arranged. Two ends of the supporting plate 21 are fixedly connected to two sliding blocks of two linear electric cylinders 22 respectively, and the plate copying assembly 3 is arranged on the supporting plate 21.

In the embodiment of the present utility model, the telescopic electric cylinder 23 may also be a hydraulic cylinder or an air cylinder. The number of the telescopic electric cylinders 23 can be selected from one or other numbers which are vertically arranged side by side. Telescoping cylinder 23 can move plate copying assembly 3 toward and away from glass plate 4 to control the exposure distance. The linear electric cylinder 22 can enable the plate copying assembly 3 to reciprocate, so that illumination is more uniform, and the uniformity of exposure is improved. Meanwhile, the support plate 21 is arc-shaped, and the concave side of the support plate 21 faces the glass plate 4 to improve the light concentration of the plate printing assembly 3.

Referring to fig. 1 and 2, plate copying assembly 3 includes a plurality of clips 31 and a plurality of iodine gallium lamps 32. The clamping pieces 31 are respectively and fixedly connected to one side, far away from the linear electric cylinder 22, of the supporting plate 21, two ends of a single iodine gallium lamp tube 32 are respectively clamped on the clamping pieces 31 at two ends of the supporting plate 21, and the iodine gallium lamp tubes 32 are arranged side by side at equal intervals.

The clamping piece 31 comprises a clamping seat 311 and an elastic clamping arc 312, the clamping seat 311 is fixedly connected to one end of the supporting plate 21, the middle part of the outer edge of the elastic clamping arc 312 is fixedly connected to the clamping seat 311, and one end of the iodine gallium lamp tube 32 is clamped in the inner edge of the elastic clamping arc 312. In the embodiment of the present utility model, the elastic clip 312 is made of rubber, so as to facilitate replacement of the iodine gallium lamp 32.

Meanwhile, the side wall of the frame 1 is also provided with a cooling fan 13, and an air inlet is formed in the side wall of the frame, and the cooling fan 13 can communicate the exposure chamber 11 with external air, so that heat generated by devices in the exposure chamber 11 is dissipated, and the service life of the devices in the exposure chamber 11 is effectively prolonged.

Referring to fig. 1 and 2, vacuum pumping assembly 5 includes a seal 51 and a pumping member 52. The sealing member 51 is rotatably connected to one end of the frame 1 near the glass plate 4, and the air extracting member 52 is provided on the frame 1 to extract air in the vacuum chamber 6. The air extracting member 52 includes an air extracting pump 521 and an air extracting tube 522, the air extracting pump 521 is mounted on one side of the frame 1, one end of the air extracting tube 522 is connected to an air extracting opening of the air extracting pump 521, and the air extracting tube 522 is arranged through the sealing member 51.

The seal 51 includes a seal frame 511, a rubber cloth 512, two telescopic rods 513, and two primary and secondary snaps 514. One end of the sealing frame 511 is hinged to the edge of the frame 1 near one end of the glass plate 4, and two telescopic rods 513 are respectively arranged on two sides of the end of the sealing frame 511. One end of the single telescopic rod 513 is hinged to the edge of the frame 1, and the other end is hinged to the side edge of the sealing frame 511. The air extraction pipe 522 penetrates one side of the sealing frame 511 and extends into the frame. The blanket 512 is fixedly coupled to the inner frame of the sealing frame 511. The female buckle of the primary-secondary buckle 514 is installed on the frame 1, the primary buckle of the primary-secondary buckle 514 is installed at one end, far away from the hinged end, of the sealing frame 511, and the primary buckle of the primary-secondary buckle 514 can be clamped on the primary buckle of the primary-secondary buckle 514.

After the two primary-secondary buckles 514 are clamped, the plate making negative and the screen are placed on the glass plate 4, and the sealing frame 511 is abutted to the edge of the glass plate 4. The vacuum chamber 6 can be formed between the sealing frame 511, the rubber cloth 512 and the glass plate 4, the plate making negative and the screen are positioned in the vacuum chamber 6, and the air in the vacuum chamber 6 is sucked out by the air suction pipe 522, so that the plate making negative and the screen can be closely attached. Meanwhile, a rubber sealing ring 5111 is adhered to the abutting part of the sealing frame 511 and the glass plate 4, so that the sealing effect of the sealing frame 511 is improved.

The implementation principle of the screen printing down machine of the embodiment of the utility model is as follows: when exposure and sun-curing are performed, if the screen printing plate needs to be sun-cured for a long time, and the exposure time is required to be reduced at this time, the plurality of iodine gallium lamps 32 are close to the glass plate 4 by extending the telescopic ends of the telescopic electric cylinders 23, and the exposure amount is increased to reduce the exposure time. If the screen printing plate needs to be sun-cured for a short time, the accuracy of exposure needs to be increased at this time, the plurality of iodine gallium lamps 32 are far away from the glass plate 4 by recycling the telescopic ends of the telescopic electric cylinders 23, and the exposure amount is reduced to increase the exposure time length, so that the exposure effect is improved.

Meanwhile, gaps are reserved among the iodine gallium lamp tubes 32, so that the light receiving of the glass plate 4 is uneven, and the reciprocating movement of the linear electric cylinder 22 slide block can improve the uniformity of the light receiving of the glass plate 4, so that the exposure effect is further improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A screen printing plate copying machine, characterized in that: comprises a frame (1), wherein an exposure chamber (11) is arranged in the frame (1); the device also comprises a movable supporting component (2) arranged in the exposure chamber (11), a plate copying component (3) arranged on the movable supporting component (2) and a glass plate (4) arranged on the edge of the opening of the exposure chamber (11);

the movable support assembly (2) comprises at least one telescopic electric cylinder (23) vertically arranged at the bottom of the exposure chamber (11), a linear electric cylinder (22) arranged at the telescopic end of the telescopic electric cylinder (23) and a support plate (21) arranged on a sliding block of the linear electric cylinder (22); the plate burning component (3) is arranged on the supporting plate (21);

the plate-making negative and screen plate placed on the glass plate (4) can be exposed by the plate-making assembly (3).

2. A screen printing plate copying machine according to claim 1, wherein: the supporting plate (21) is arc-shaped, and the concave side of the supporting plate (21) faces the glass plate (4).

3. A screen printing plate copying machine according to claim 2, wherein: the telescopic end of the telescopic electric cylinder (23) is provided with a reinforcing seat (231), and the linear electric cylinder (22) is connected to the telescopic electric cylinder (23) through the reinforcing seat (231).

4. A plate copying machine according to claim 3, wherein: the plate copying assembly (3) comprises a plurality of iodine gallium lamp tubes (32), and the iodine gallium lamp tubes (32) are arranged on one side, close to the glass plate (4), of the supporting plate (21) in parallel at equal intervals.

5. A screen printing plate copying machine according to claim 4, wherein: the plate copying assembly (3) further comprises a plurality of clamping pieces (31) which are respectively arranged at two ends of the supporting plate (21), and two ends of the single iodine gallium lamp tube (32) are detachably arranged on the supporting plate (21) through the two clamping pieces (31).

6. A plate copying machine according to claim 5, wherein: the clamping piece (31) comprises a clamping seat (311) arranged on the supporting plate (21) and an elastic clamping arc (312) arranged on the clamping seat (311);

the elastic clamping arc (312) has elasticity, and one end of the iodine gallium lamp tube (32) is clamped on the elastic clamping arc (312).

7. A screen printing plate copying machine according to claim 6, wherein: the elastic clamping arc (312) is made of rubber.

8. A screen printing plate copying machine according to claim 4, wherein: a cooling fan (13) is arranged on the side wall of the frame (1) and provided with an air inlet, and the cooling fan (13) is used for communicating the exposure chamber (11) with the outside.