Screen printing machine with doctor blade convenient to replace

Abstract

The utility model provides a screen printing machine with a doctor blade convenient to replace, which relates to the technical field of screen printing machines and comprises a base, a bearing plate is fixedly mounted on one side of the upper surface of the base, supporting frames are fixedly mounted on the other side of the upper surface of the base, and a screen mold is rotatably mounted between the supporting frames through supporting rods. A first air cylinder is fixedly installed on one side of the upper surface of the silk screen mold through a vertical frame, and a second air cylinder is fixedly installed at the output end of the first air cylinder through a support. When the scraper needs to be replaced, a worker controls the insertion block to be separated from the insertion groove, the positioning plate is moved out of the interior of the mounting box, and therefore the scraper is detached, the worker inserts the positioning plate into the mounting box and then controls the insertion block to move reversely, and the scraper is mounted; and the installation process is fast, so that the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing machines, in particular to a screen printing machine which is convenient for replacing a scraper. Background Art

[0002] A screen printer is a type of printing equipment widely used in various industries. It uses a screen template to transfer ink or printing materials to a substrate, thereby printing text and patterns on the surface of various materials. Screen printers have the advantages of simple operation, stable printing quality, a wide range of printing, and affordable prices, so they are widely used in the printing industry. The scraper of an existing screen printer is generally fixed to the connection structure by bolts, and the disassembly and assembly process is cumbersome. It takes a lot of time and effort to disassemble and assemble the scraper, especially when the scraper is frequently replaced or adjusted. This cumbersome operation will significantly reduce production efficiency. Utility Model Content

[0003] The main purpose of the utility model is to provide a screen printing machine that is easy to replace the scraper, which can effectively solve the problem that the scraper of the screen printing machine in the background technology is generally fixed to the connection structure position by bolts, and the disassembly and assembly process is cumbersome. It takes a lot of time and effort to disassemble and assemble the scraper. Especially in the case of frequent replacement or adjustment of the scraper, this cumbersome operation will significantly reduce the production efficiency.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A screen printing machine that is convenient for replacing a scraper, comprising a base, a bearing plate fixedly mounted on one side of the upper surface of the base, a support frame fixedly mounted on the other side of the upper surface of the base, a screen mold rotatably mounted between the support frames via a support rod, a first cylinder fixedly mounted on one side of the upper surface of the screen mold via a stand, a second cylinder fixedly mounted on an output end of the first cylinder via a bracket, an installation box fixedly mounted on an output end of the second cylinder passing through the bracket, a support provided at the lower end of the installation box, and a scraper fixedly mounted on the lower surface of the support;

[0006] A first connection component is arranged on the upper surface of the support, and second connection components are arranged on both sides of the inner wall of the installation box. The support and the installation box are connected through the first connection component and the second connection component.

[0007] Preferably, the first connecting component comprises a positioning plate, the positioning plate is fixedly mounted on the upper surface of the support, and slots are formed on both side surfaces of the inner wall of the positioning plate.

[0008] Preferably, the second connecting component comprises a through slot, the through slot is penetrated and opened on a corresponding side of the inner wall of the installation box, and an insert block is slidably arranged in the through slot.

[0009] Preferably, connection boxes are fixedly installed on both sides of the installation box and at the positions corresponding to the through grooves. Slide rods are movably penetrated through the mutually remote sides of the two connection boxes, and the relatively one ends of the two slide rods are fixedly connected to the corresponding insertion blocks respectively;

[0010] Elastic members capable of compression and reset are sleeved on the rod bodies of the two slide rods close to the corresponding insertion blocks;

[0011] Round blocks are fixedly installed on the mutually remote ends of the two slide rods.

[0012] Preferably, the elastic members are springs.

[0013] Preferably, semi-circular blocks are fixedly installed on the relatively one sides of the two insertion blocks, and a trapezoidal plate is fixedly installed on the upper surface of the positioning plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) When the doctor blade needs to be replaced, the staff controls the insertion block to make the insertion block disengage from the insertion slot, so that the positioning plate is removed from the inside of the installation box, thereby completing the disassembly of the doctor blade. Then the staff inserts the positioning plate into the installation box, and then the staff controls the insertion block to move in the reverse direction, thereby installing the doctor blade. The installation process is fast, thus improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of a screen printing machine for facilitating the replacement of a doctor blade according to the utility model;

[0017] Figure 2 is a schematic top view structure diagram of a screen printing machine for facilitating the replacement of a doctor blade according to the utility model;

[0018] Figure 3 is a schematic cross-sectional structure diagram taken along line A-A of a screen printing machine for facilitating the replacement of a doctor blade according to the utility model Figure 2 in the utility model;

[0019] Figure 4 is a schematic cross-sectional structure diagram taken along line B-B of a screen printing machine for facilitating the replacement of a doctor blade according to the utility model Figure 2 in the utility model;

[0020] Figure 5 is a schematic enlarged structure diagram of part A of a screen printing machine for facilitating the replacement of a doctor blade according to the utility model Figure 4 in the utility model.

[0021] In the figure: 1. base; 2. load-bearing plate; 3. support frame; 4. support rod; 5. screen mold; 6. stand; 7. first cylinder; 8. bracket; 9. second cylinder; 10. installation box; 11. support; 12. scraper; 13. first connecting component; 1301. positioning plate; 1302. slot; 14. second connecting component; 1401. through slot; 1402. plug-in block; 15. connecting box; 16. sliding rod; 17. elastic member; 18. round block; 19. semicircular block; 20. trapezoidal plate. DETAILED DESCRIPTION

[0022] The following will be combined with 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 of 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.

[0023] like Figures 1 - 5 As shown, a screen printing machine convenient for replacing a scraper comprises a base 1, a carrying plate 2 is fixedly mounted on one side of the upper surface of the base 1, a support frame 3 is fixedly mounted on the other side of the upper surface of the base 1, a screen mold 5 is rotatably mounted between the support frames 3 through a support rod 4, a first cylinder 7 is fixedly mounted on one side of the upper surface of the screen mold 5 through a stand 6, a second cylinder 9 is fixedly mounted on the output end of the first cylinder 7 through a bracket 8, an installation box 10 is fixedly mounted on the output end of the second cylinder 9 through the bracket 8, a support 11 is arranged at the lower end of the installation box 10, and a scraper 12 is fixedly mounted on the lower surface of the support 11;

[0024] A first connection component 13 is disposed on the upper surface of the support 11 , and second connection components 14 are disposed on both sides of the inner wall of the installation box 10 . The support 11 and the installation box 10 are connected via the first connection component 13 and the second connection component 14 .

[0025] The first connecting component 13 includes a positioning plate 1301 , which is fixedly mounted on the upper surface of the support 11 , and slots 1302 are formed on both sides of the inner wall of the positioning plate 1301 .

[0026] The second connecting component 14 includes a through slot 1401 , which is formed through a corresponding side of the inner wall of the installation box 10 , and an insert block 1402 is slidably disposed in the through slot 1401 .

[0027] The staff places the workpiece at the position of the bearing plate 2. Then, the staff controls the screen printing die 5 to rotate to the position of the workpiece. Subsequently, the staff starts the first cylinder 7, so that the squeegee 12 can scrape the ink, and the ink is printed onto the surface of the workpiece through the screen printing die 5. When the squeegee 12 needs to be replaced, the staff controls the insertion block 1402 to disengage the insertion block 1402 from the slot 1302, so that the positioning plate 1301 is removed from the inside of the installation box 10, thereby completing the disassembly of the squeegee 12. The staff inserts the positioning plate 1301 into the installation box 10, and then the staff controls the insertion block 1402 to move in the reverse direction, thereby installing the squeegee 12. The installation process is fast, improving the production efficiency.

[0028] In another embodiment of the present utility model, connection boxes 15 are fixedly installed on both sides of the installation box 10 and at the positions corresponding to the through grooves 1401. Slide rods 16 are movably penetrated through the mutually remote sides of the two connection boxes 15. The relatively one ends of the two slide rods 16 are respectively fixedly connected to the corresponding insertion blocks 1402.

[0029] Elastic members 17 that can be compressed and reset are sleeved on the rod bodies of the two slide rods 16 close to the corresponding insertion blocks 1402.

[0030] Circular blocks 18 are fixedly installed at the mutually remote ends of the two slide rods 16.

[0031] The elastic member 17 is a spring.

[0032] By providing the spring, under the elastic force of the compressed spring, the insertion block 1402 can be stably inserted into the slot 1302, avoiding the situation that the insertion block 1402 moves due to external force, resulting in the detachment of the squeegee 12. By providing the slide rod 16 and the circular block 18, it is convenient for the staff to move the insertion block 1402.

[0033] In another embodiment of the present utility model, semi-circular blocks 19 are fixedly installed on the relatively one sides of the two insertion blocks 1402, and a trapezoidal plate 20 is fixedly installed on the upper surface of the positioning plate 1301.

[0034] By providing the semi-circular block 19 and the trapezoidal plate 20, when the positioning plate 1301 moves into the installation box 10, the trapezoidal plate 20 pushes the semi-circular block 19 on the inclined surface, so that the semi-circular block 19 moves under force. When the staff inserts the positioning plate 1301 into the installation box 10, it is not necessary for the staff to manually move the semi-circular block 19, reducing the labor intensity of the staff.

[0035] The working principle of the screen printing machine that is convenient for replacing the ink scraping knife:

[0036] In use, the operator places the workpiece at the position of the bearing plate 2. Subsequently, the operator controls the wire mesh die 5 to rotate to the position of the workpiece. Then, the operator starts the first cylinder 7, enabling the squeegee 12 to scrape the ink, so that the ink is printed onto the surface of the workpiece through the wire mesh die 5. When the squeegee 12 needs to be replaced, the operator controls the insertion block 1402 to disengage from the slot 1302, causing the positioning plate 1301 to move out of the installation box 10, thereby completing the disassembly of the squeegee 12. The operator inserts the positioning plate 1301 into the installation box 10, and then controls the insertion block 1402 to move in the reverse direction to install the squeegee 12. The installation process is fast, improving the production efficiency.

[0037] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation modes of the present invention. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is impossible to enumerate all the implementation modes here. Any obvious changes or variations derived from the technical solutions of the present invention still fall within the protection scope of the present invention.

Claims

1. A screen printing machine facilitating the replacement of a doctor blade, comprising a base (1), characterized in that: On one side of the upper surface of the base (1), a bearing plate (2) is fixedly installed. On the other side of the upper surface of the base (1), a support frame (3) is fixedly installed. Between the support frames (3), a wire mesh mold (5) is rotatably installed through a support rod (4). On one side of the upper surface of the wire mesh mold (5), a first cylinder (7) is fixedly installed through a vertical frame (6). The output end of the first cylinder (7) is fixedly installed with a second cylinder (9) through a support (8). The output end of the second cylinder (9) passes through the support (8) and is fixedly installed with a mounting box (10). A support (11) is arranged at the lower end of the mounting box (10). A scraper (12) is fixedly installed on the lower surface of the support (11). A first connection component (13) is arranged on the upper surface of the support (11). Second connection components (14) are arranged on both sides of the inner wall of the mounting box (10). The support (11) and the mounting box (10) are connected through the first connection component (13) and the second connection component (14).

2. The screen printing machine for facilitating the replacement of the doctor blade according to claim 1, wherein: The first connection component (13) includes a positioning plate (1301). The positioning plate (1301) is fixedly installed on the upper surface of the support (11). Slots (1302) are formed on both side surfaces of the inner wall of the positioning plate (1301).

3. The screen printing machine for facilitating the replacement of a doctor blade according to claim 2, wherein: The second connection component (14) includes a through slot (1401). The through slot (1401) is formed through the corresponding side of the inner wall of the mounting box (10). An insertion block (1402) is slidably arranged in the through slot (1401).

4. The screen printer for facilitating the replacement of a doctor blade according to claim 3, wherein: Connection boxes (15) are fixedly installed on both sides of the mounting box (10) and at the positions corresponding to the through slots (1401). Slide rods (16) are movably formed through the mutually remote sides of the two connection boxes (15). The relatively close ends of the two slide rods (16) are respectively fixedly connected to the corresponding insertion blocks (1402). Elastic members (17) capable of compression and reset are sleeved on the sides of the two slide rods (16) close to the corresponding insertion blocks (1402). Round blocks (18) are fixedly installed at the mutually remote ends of the two slide rods (16).

5. The screen printer for facilitating the replacement of a doctor blade according to claim 4, wherein: The elastic member (17) is a spring.

6. The screen printer for facilitating the replacement of a doctor blade according to claim 3, wherein: Semicircular blocks (19) are fixedly installed on the relatively close sides of the two insertion blocks (1402). A trapezoidal plate (20) is fixedly installed on the upper surface of the positioning plate (1301).

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