Dust removal mechanism of silicon wafer screen printing machine

Abstract

The utility model discloses a dust removal mechanism of a silicon wafer screen printing machine, and relates to the technical field of silicon wafer printing. Comprising a rack and a rotating frame, the top of the rack is fixedly connected with a moving frame, the moving frame is located on the outer side of a printing table, the moving frame is fixedly connected with a scraping plate used for cleaning and scraping the printing table, the bottom of the rack is fixedly connected with a dust collection mechanism, and the outer wall of a fixing base is fixedly connected with a fixing frame. The inner wall of the fixing frame is fixedly connected with a dust suction cover, and the input end of the dust suction mechanism communicates with the dust suction cover. When the printing table needs to be cleaned, a first motor is started to drive a first lead screw to rotate, a scraper is driven to move from the front side to the rear side of the printing table, dust on the surface of the printing table is pushed to the front of a dust suction hood, then an air blower is started, negative pressure is formed in a dust collection box, and strong suction force is provided for the dust suction hood; and dust scraped in front of the dust suction cover is quickly sucked into the dust collection box, so that the dust removal efficiency is improved, and the printing table can be efficiently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon wafer printing, in particular to a dust removal mechanism of a silicon wafer screen printer. Background Art

[0002] Screen printing refers to using a screen as a base and making a screen printing plate with images and texts through a photosensitive platemaking method. A screen printer is a machine that prints with a screen printing plate. It is a type of printing machine and an important equipment in the manufacturing process of crystalline silicon photovoltaic panels. Before printing materials, a screen printer usually needs to clean and remove dust from the printing table to prevent dust from sticking to the printing table and affecting the printing effect.

[0003] After the existing screen printing machine is used, the printing table is usually dusted by manual cleaning, which is not only labor-intensive, but also has low dust removal efficiency and cannot efficiently clean the printing table. Therefore, a dust removal mechanism for a silicon wafer screen printing machine is proposed. Utility Model Content

[0004] The utility model aims to provide a dust removal mechanism for a silicon wafer screen printer, which solves the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal mechanism of a silicon wafer screen printing machine, comprising a frame and a rotating frame, the top outer wall of the frame is fixedly connected with a fixed seat, the rotating frame is rotatably installed on the frame through the fixed seat, a printing component is arranged on the rotating frame, the top of the frame is fixedly connected with a fixed frame, the top of the fixed frame is fixedly connected with a printing table, the top of the frame is fixedly connected with a movable frame, the movable frame is located on the outside of the printing table, the movable frame is fixedly connected with a scraper for cleaning the printing table, the bottom of the frame is fixedly connected with a dust suction mechanism, the outer wall of the fixed seat is fixedly connected with the fixed frame, and the inner wall of the fixed frame is fixedly connected with a dust suction hood.

[0006] Preferably, a fixing plate is fixedly connected to the bottom of the inner wall of the frame, the dust suction mechanism includes a dust box fixedly connected to the top of the fixing plate, a blower is fixedly connected to the outer wall of the dust box, a suction pipe is fixedly connected to the top of the dust box, one end of the suction pipe away from the dust box is connected to the dust hood, and the input end of the blower extends to the interior of the dust box.

[0007] Preferably, the movable frame includes two positioning frames, which are symmetrically connected to the top of the frame and are respectively located on the left and right sides of the printing table.

[0008] Preferably, the front and rear ends of the two positioning frames are fixedly connected with fixed blocks, a screw rod 1 is rotatably connected between the two fixed blocks on the left, a fixed rod is fixedly connected between the two fixed blocks on the right, a motor 1 is fixedly connected to the rear side wall of the fixed block on the left, and the output end of the motor 1 is fixedly connected to the rear end of the screw rod 1.

[0009] Preferably, the outer walls of the two positioning frames are each provided with a rectangular groove, the inner walls of the two rectangular grooves are both slidably connected with a slider, the outer wall of the slider away from the rectangular groove is fixedly connected with a moving block, the inner wall of the moving block on the left is threadedly connected to the outer wall of the screw rod 1, and the inner wall of the moving block on the right is slidably connected to the outer wall of the fixed rod.

[0010] Preferably, the top outer walls of the two moving blocks are fixedly connected to the limiting frames, the top of the left limiting frame is fixedly connected to motor 2, the output end of motor 2 is fixedly connected to screw rod 2, the bottom end of screw rod 2 is rotatably connected to the top surface of the moving block, the outer wall of the scraper is symmetrically connected to the limiting plate, the inner wall of the left limiting plate is threadedly connected to the outer wall of screw rod 2, and the inner wall of the right limiting plate is slidably connected to the outer wall of the sliding rod.

[0011] Preferably, the outer wall of the scraper is covered with a rubber pad.

[0012] Compared with the related art, the dust removal mechanism of a silicon wafer screen printer provided by the utility model has the following beneficial effects:

[0013] 1. When the printing table needs to be cleaned, start the motor to drive the screw to rotate, drive the scraper to move from the front to the back of the printing table, and push the dust on the surface of the printing table to the front of the dust hood. Then start the blower to form a negative pressure inside the dust box, give the dust hood a strong suction force, and quickly suck the dust scraped in front of the dust hood into the dust box, thereby improving the efficiency of dust removal and allowing the printing table to be cleaned efficiently.

[0014] 2. When the scraper is cleaning the printing table, the motor 1 drives the screw 1 to rotate, driving the moving block to slide back and forth along the outer wall of the positioning frame, so that the scraper can repeatedly scrape the printing table to improve the dust removal effect. While the moving block moves back and forth, the motor 2 is started to drive the screw 2 to rotate, thereby driving the limit plate to move up and down, and adjusting the use height of the scraper, so that the scraper can not only clean the printing table, but also facilitate the cleaning of the silicon wafer placed on the printing table, shortening the time for cleaning the surface of the silicon wafer and improving the efficiency of screen printing on the silicon wafer. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2This is a structural schematic diagram of the fixing rod of the utility model;

[0017] Figure 3 It is a left view of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the positioning frame of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the fixing plate of the utility model.

[0020] In the figure: 1. frame; 2. fixed seat; 3. rotating frame; 4. printing assembly; 5. fixed frame; 6. printing table; 7. fixed plate; 8. dust box; 9. blower; 10. suction pipe; 11. fixed frame; 12. dust hood; 13. positioning frame; 14. fixed block; 15. motor 1; 16. screw rod 1; 17. rectangular groove; 18. moving block; 19. slider; 20. limit frame; 21. motor 2; 22. limit plate; 23. screw rod 2; 24. slide rod; 25. scraper; 26. rubber pad; 27. fixing rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figure 1-Figure 5 The utility model provides a technical solution: a dust removal mechanism for a silicon wafer screen printer, comprising a frame 1 and a rotating frame 3, the top outer wall of the frame 1 is fixedly connected with a fixed seat 2, the rotating frame 3 is rotatably mounted on the frame 1 through the fixed seat 2, a printing assembly 4 is arranged on the rotating frame 3, the top of the frame 1 is fixedly connected with a fixed frame 5, and the top of the fixed frame 5 is fixedly connected with a printing table 6;

[0024] A movable frame is fixedly connected to the top of the frame 1, and the movable frame is located on the outside of the printing table 6. A scraper 25 for cleaning the printing table 6 is fixedly connected to the movable frame. A dust suction mechanism is fixedly connected to the bottom of the frame 1. A fixed frame 11 is fixedly connected to the outer wall of the fixed seat 2. A dust hood 12 is fixedly connected to the inner wall of the fixed frame 11. A fixed plate 7 is fixedly connected to the bottom of the inner wall of the frame 1. The dust suction mechanism includes a dust box 8 fixedly connected to the top of the fixed plate 7. A blower 9 is fixedly connected to the outer wall of the dust box 8. A suction pipe 10 is fixedly connected to the top of the dust box 8. The end of the suction pipe 10 away from the dust box 8 is connected to the dust hood 12, and the input end of the blower 9 extends to the inside of the dust box 8.

[0025] In this embodiment, before the screen printing machine is used, the printing table 6 is first cleaned, and the motor 15 is started to drive the screw 16 to rotate, driving the scraper 25 to move from the front side to the back side of the printing table 6, and the dust on the surface of the printing table 6 is pushed to the front of the dust hood 12. Then, the blower 9 is started to form a negative pressure inside the dust box 8, thereby giving the dust hood 12 a strong suction force, and the dust scraped to the front side of the dust hood 12 is sucked into the dust box 8, thereby achieving efficient dust removal, preventing dust from remaining on the surface of the printing table 6 and causing adverse effects on the printing work of the silicon wafer.

[0026] Embodiment 2:

[0027] See also Figure 1-Figure 4 As shown, based on the first embodiment, the utility model provides a technical solution:

[0028] The movable frame includes two positioning frames 13, which are symmetrically connected to the top of the frame 1 and are respectively located on the left and right sides of the printing table 6. The front and rear ends of the two positioning frames 13 are fixedly connected with fixed blocks 14. A screw rod 16 is rotatably connected between the two fixed blocks 14 on the left side, and a fixed rod 27 is fixedly connected between the two fixed blocks 14 on the right side. A motor 15 is fixedly connected to the rear side wall of the left fixed block 14, and the output end of the motor 15 is fixedly connected to the rear end of the screw rod 16. The outer walls of the two positioning frames 13 are each provided with a rectangular groove 17, and the inner walls of the two rectangular grooves 17 are both slidably connected with a slider 19. The outer wall of the slider 19 away from the rectangular groove 17 is fixedly connected with a moving block 18, the inner wall of the left moving block 18 is threadedly connected to the outer wall of the screw rod 16, and the inner wall of the right moving block 18 is slidably connected to the outer wall of the fixed rod 27;

[0029] In this embodiment, the motor 15 is installed on the left side of the fixed block 14 at the rear, which can prevent the operator from colliding with the motor 15 when replacing the silicon wafer, thereby improving the safety of use. When the motor 15 is started, it drives the screw 16 to rotate, thereby driving the moving block 18 to slide forward and backward along the outer wall of the positioning frame 13, so that the scraper 25 can move forward and backward;

[0030] The top outer walls of the two moving blocks 18 are fixedly connected to the limit frame 20, the top of the left limit frame 20 is fixedly connected to the motor 21, the output end of the motor 21 is fixedly connected to the screw 23, the bottom end of the screw 23 is rotatably connected to the top surface of the moving block 18, the outer wall of the scraper 25 is symmetrically connected to the limit plate 22, the inner wall of the left limit plate 22 is threadedly connected to the outer wall of the screw 23, the inner wall of the right limit plate 22 is slidably connected to the outer wall of the slide rod 24, and the outer wall of the scraper 25 is sleeved with a rubber pad 26;

[0031] In the present embodiment, while the moving block 18 moves back and forth, the starting motor 21 drives the screw 23 to rotate, thereby driving the limit plate 22 to move up and down, and adjusting the use height of the scraper 25, so that the scraper 25 can not only clean the printing table 6, but also facilitate the cleaning of the silicon wafer placed on the printing table 6, shortening the time for cleaning the surface of the silicon wafer, and improving the efficiency of screen printing on the silicon wafer.

[0032] Working principle: when the printing table 6 needs to be cleaned, the motor 15 is started to drive the screw 16 to rotate, and the scraper 25 is driven to move from the front side to the rear side of the printing table 6, so that the dust on the surface of the printing table 6 is pushed to the front of the dust hood 12, and then the blower 9 is started to form a negative pressure inside the dust box 8, so as to give the dust hood 12 a strong suction force, and the dust scraped to the front side of the dust hood 12 is sucked into the dust box 8, so as to achieve efficient dust removal and prevent the surface of the printing table 6 from residual dust, which will cause adverse effects on the printing work of the silicon wafer; when the scraper 25 is cleaning the printing table 6, the motor 1 15 drives the screw rod 16 to rotate, and drives the moving block 18 to slide forward and backward along the outer wall of the positioning frame 13, so that the scraper 25 can repeatedly scrape the printing table 6 to improve the dust removal effect. While the moving block 18 moves forward and backward, the motor 21 is started to drive the screw rod 23 to rotate, thereby driving the limit plate 22 to move up and down, and adjusting the use height of the scraper 25, so that the scraper 25 can not only scrape the printing table 6, but also facilitate the scraping of the silicon wafer placed on the printing table 6, shortening the time for cleaning the surface of the silicon wafer, and improving the efficiency of screen printing on the silicon wafer.

[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 dust removal mechanism for a silicon wafer screen printer, comprising a frame (1) and a rotating frame (3), wherein the top outer wall of the frame (1) is fixedly connected to a fixed seat (2), the rotating frame (3) is rotatably mounted on the frame (1) via the fixed seat (2), a printing assembly (4) is arranged on the rotating frame (3), the top of the frame (1) is fixedly connected to a fixed frame (5), and the top of the fixed frame (5) is fixedly connected to a printing table (6), characterized in that: The top of the frame (1) is fixedly connected to a movable frame, the movable frame is located outside the printing table (6), a scraper (25) for cleaning the printing table (6) is fixedly connected to the movable frame, a dust collection mechanism is fixedly connected to the bottom of the frame (1), the outer wall of the fixed seat (2) is fixedly connected to a movable frame (11), and the inner wall of the movable frame (11) is fixedly connected to a dust collection hood (12).

2. The dust removal mechanism of a silicon wafer screen printer according to claim 1, characterized in that: A fixing plate (7) is fixedly connected to the bottom of the inner wall of the frame (1); the dust collection mechanism comprises a dust box (8) fixedly connected to the top of the fixing plate (7); a blower (9) is fixedly connected to the outer wall of the dust box (8); a suction pipe (10) is fixedly connected to the top of the dust box (8); one end of the suction pipe (10) away from the dust box (8) is connected to a dust collection hood (12); and an input end of the blower (9) extends into the interior of the dust box (8).

3. The dust removal mechanism of a silicon wafer screen printer according to claim 1, characterized in that: The movable frame comprises two positioning frames (13), the two positioning frames (13) are symmetrically connected to the top of the frame (1), and are respectively located on the left and right sides of the printing table (6).

4. The dust removal mechanism of a silicon wafer screen printer according to claim 3, characterized in that: The front and rear ends of the two positioning frames (13) are fixedly connected to fixed blocks (14); a screw rod (16) is rotatably connected between the two left fixed blocks (14); a fixed rod (27) is fixedly connected between the two right fixed blocks (14); a motor (15) is fixedly connected to the rear side wall of the left fixed block (14); and an output end of the motor (15) is fixedly connected to the rear end of the screw rod (16).

5. The dust removal mechanism of a silicon wafer screen printer according to claim 3, characterized in that: The outer walls of the two positioning frames (13) are each provided with a rectangular groove (17), the inner walls of the two rectangular grooves (17) are both slidably connected with a slider (19), the outer wall of the slider (19) away from the rectangular groove (17) is fixedly connected with a moving block (18), the inner wall of the left moving block (18) is threadedly connected to the outer wall of the screw rod (16), and the inner wall of the right moving block (18) is slidably connected to the outer wall of the fixed rod (27).

6. The dust removal mechanism of a silicon wafer screen printer according to claim 5, characterized in that: The top outer walls of the two moving blocks (18) are fixedly connected to the limiting frame (20), the top of the left limiting frame (20) is fixedly connected to the second motor (21), the output end of the second motor (21) is fixedly connected to the second screw rod (23), the bottom end of the second screw rod (23) is rotatably connected to the top surface of the moving block (18), the outer wall of the scraper (25) is symmetrically connected to the limiting plate (22), the inner wall of the left limiting plate (22) is threadedly connected to the outer wall of the second screw rod (23), and the inner wall of the right limiting plate (22) is slidably connected to the outer wall of the sliding rod (24).

7. The dust removal mechanism of a silicon wafer screen printer according to claim 6, characterized in that: The outer wall of the scraper (25) is covered with a rubber pad (26).

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