Screen printing machine ink scraping device for efficient dense grid crystalline silicon battery processing

Abstract

The utility model discloses a screen printing machine ink scraping device for processing a high-efficiency dense grid crystalline silicon battery, which comprises a working frame, a scraper body and a moving mechanism, a pressurizing mechanism for driving the scraper body to move up and down is fixedly arranged on the moving mechanism, and an angle adjusting mechanism for adjusting the angle of the scraper body is arranged on the pressurizing mechanism. And a locking mechanism for fixing the angle of the scraper body is arranged on one side of the pressurizing mechanism. The angle of the scraper body can be adjusted through the angle adjusting mechanism, secondary clamping is conducted on the scraper body through the locking mechanism after adjustment is completed, and therefore it is guaranteed that the scraper body does not have angle deviation when used, and then the pressurizing mechanism can drive the scraper body to move and pressurize a printing plate. And the subsequently arranged moving mechanism can drive the scraper body to continuously scrape ink, so that the ink scraping device is high in automation degree, excessive manual intervention is not needed, and the accuracy of silk-screen printing is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing, in particular to an ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon batteries. Background Art

[0002] In the processing of high-efficiency dense-grid crystalline silicon cells (such as PERC cells and HIT cells), screen printing technology is widely used to deposit front electrodes and back passivation layers (such as aluminum back surface field). The design and performance of the screen printer's squeegee in this application has a direct impact on cell efficiency.

[0003] During the screen printing process, the slurry used for printing needs to be evenly scraped. Due to the different viscosity and fluidity of the slurry, the angle and pressure of the scraper body need to be adjusted. The existing scraper device mostly uses manual adjustment when adjusting the scraper body, and such an adjustment method is prone to inaccurate adjustment, thereby affecting the effect of screen printing. For this reason, we propose a screen printing machine scraper device for high-efficiency dense-grid crystalline silicon cell processing. Utility Model Content

[0004] The purpose of the utility model is to provide an ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells, so as to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screen printing machine scraping device for high-efficiency dense-grid crystalline silicon cell processing, comprising a working frame and a scraper body, a moving mechanism for driving the scraper body to move left and right fixedly installed on the top of the working frame, a pressing mechanism for driving the scraper body to move up and down fixedly installed on the moving mechanism, an angle adjustment mechanism for adjusting the angle of the scraper body provided on the pressing mechanism, and a locking mechanism for fixing the angle of the scraper body provided on one side of the pressing mechanism.

[0006] Furthermore, the moving mechanism includes electric slide rails, electric sliders, a connecting frame and a mounting plate. Two sets of electric slide rails are fixedly installed on the top of the working frame. The electric sliders are slidably connected to the electric slide rails. The top of the electric slider is fixedly connected to the mounting plate through the connecting frame.

[0007] Furthermore, the pressurizing mechanism includes a driving cylinder, a first connecting frame, a fixed seat and a rotating shaft. The driving cylinder is fixedly installed on the top of the mounting plate, the output end of the driving cylinder is fixedly connected to the first connecting frame, and two groups of fixed seats are fixedly installed on the bottom of the first connecting frame. The fixed seat is rotatably connected to the rotating shaft, and the scraper body is fixedly installed on the rotating shaft through the second connecting frame.

[0008] Furthermore, the angle adjustment mechanism includes a drive motor, a first gear plate and a second gear plate. The drive motor is fixedly installed on the top of the first connecting frame, the output end of the drive motor is fixedly connected to the first gear plate, and the second gear plate engaged with the first gear plate is fixedly installed on one side of the rotating shaft.

[0009] Furthermore, the locking mechanism includes a fixed plate, a threaded sleeve, a threaded rod and a knob. The bottom of the first connecting frame is fixedly installed with a fixed plate, one side of the fixed plate is fixedly installed with a threaded sleeve, the internal thread of the threaded sleeve is connected to the threaded rod, one side of the threaded rod is in contact with the rotating shaft, and the other side of the threaded rod is fixedly connected to the knob.

[0010] Furthermore, two groups of hollow tubes are fixedly installed on the top of the first connecting frame, and telescopic rods are slidably connected inside the hollow tubes. The tops of the telescopic rods are fixedly connected to the bottom of the mounting plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects: the angle adjustment mechanism provided in the present invention can adjust the angle of the scraper body, and after the adjustment is completed, it is clamped for the second time by using the locking mechanism to ensure that the scraper body will not have an angle deviation when in use, and then the pressure mechanism can drive the scraper body to move toward the printing plate for pressure, and then the moving mechanism provided can drive the scraper body to perform continuous ink scraping steps. Such an ink scraping device has a high degree of automation, does not require excessive manual intervention, and ensures the accuracy of screen printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the first stereoscopic structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the second stereoscopic structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the third stereoscopic structure of the utility model;

[0015] Figure 4 It is an enlarged schematic diagram of structure A of the present utility model.

[0016] In the figure: 1 working frame, 2 moving mechanism, 3 pressing mechanism, 4 scraper body, 5 angle adjustment mechanism, 6 locking mechanism, 7 electric slide rail, 8 electric slide seat, 9 connecting frame, 10 mounting plate, 11 driving cylinder, 12 first connecting frame, 13 fixed seat, 14 rotating shaft, 15 second connecting frame, 16 hollow tube, 17 telescopic rod, 18 driving motor, 19 first gear plate, 20 second gear plate, 21 fixed plate, 22 threaded sleeve, 23 threaded rod, 24 knob. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figures 1-4 The utility model provides a technical solution: a screen printing machine scraping device for high-efficiency dense-grid crystalline silicon cell processing, comprising a working frame 1 and a scraper body 4, a moving mechanism 2 for driving the scraper body 4 to move left and right fixedly mounted on the top of the working frame 1, a pressing mechanism 3 for driving the scraper body 4 to move up and down fixedly mounted on the moving mechanism 2, an angle adjustment mechanism 5 for adjusting the angle of the scraper body 4 is provided on the pressing mechanism 3, and a locking mechanism 6 for fixing the angle of the scraper body 4 is provided on one side of the pressing mechanism 3.

[0019] Among them, the angle adjustment mechanism 5 set up can adjust the angle of the scraper body 4. After the adjustment is completed, it is clamped for the second time using the locking mechanism 6 to ensure that the scraper body 4 will not have an angle deviation when in use. Then the pressure mechanism 3 can drive the scraper body 4 to move toward the printing plate for pressure. Then the moving mechanism 2 set up can drive the scraper body 4 to perform continuous ink scraping steps. Such an ink scraping device has a high degree of automation and does not require excessive manual intervention, thereby ensuring the accuracy of screen printing.

[0020] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The angle adjustment mechanism 5 includes a drive motor 18, a first gear plate 19 and a second gear plate 20. The drive motor 18 is fixedly installed on the top of the first connecting frame 12, and the output end of the drive motor 18 is fixedly connected to the first gear plate 19. A second gear plate 20 engaged with the first gear plate 19 is fixedly installed on one side of the rotating shaft 14.

[0021] When adjusting the angle of the scraper body 4, the drive motor 18 is started, and the drive motor 18 drives the first gear plate 19 to rotate. The rotation of the first gear plate 19 drives the second gear plate 20, the rotating shaft 14 and the scraper body 4 to rotate along the fixed plate 21, thereby completing the angle adjustment of the scraper body 4.

[0022] See also Figure 1 、 Figure 3 and Figure 4The locking mechanism 6 includes a fixed plate 21, a threaded sleeve 22, a threaded rod 23 and a knob 24. The fixing plate 21 is fixedly installed at the bottom of the first connecting frame 12, and a threaded sleeve 22 is fixedly installed on one side of the fixing plate 21. The internal thread of the threaded sleeve 22 is connected to the threaded rod 23. One side of the threaded rod 23 is in contact with the rotating shaft 14, and the other side of the threaded rod 23 is fixedly connected to the knob 24.

[0023] Among them, when the angle adjustment of the scraper body 4 is completed, the first gear plate 19 and the second gear plate 20 are self-locking, and then the knob 24 is rotated, and the knob 24 drives the threaded rod 23 to move along the threaded sleeve 22, and then the threaded rod 23 can be brought into contact with the rotating shaft 14, so that the secondary positioning and fixation of the rotating shaft 14 can be completed to prevent the scraper body 4 from angular deviation when moving.

[0024] See also Figure 1 The moving mechanism 2 includes an electric slide rail 7, an electric slider 8, a connecting frame 9 and a mounting plate 10. Two sets of electric slide rails 7 are fixedly installed on the top of the working frame 1. The electric slider 8 is slidably connected to the electric slide rail 7. The top of the electric slider 8 is fixedly connected to the mounting plate 10 through the connecting frame 9.

[0025] Among them, after the angle adjustment of the scraper body 4 is completed, the set electric slider 8 can move left and right along the electric slide rail 7, so that the connecting frame 9 and the mounting plate 10 can be driven to move, thereby using the scraper body 4 to complete the ink scraping step.

[0026] See also Figure 1 and Figure 2 The pressurizing mechanism 3 includes a driving cylinder 11, a first connecting frame 12, a fixed seat 13 and a rotating shaft 14. The driving cylinder 11 is fixedly installed on the top of the mounting plate 10, and the output end of the driving cylinder 11 is fixedly connected to the first connecting frame 12. Two groups of fixed seats 13 are fixedly installed on the bottom of the first connecting frame 12. The fixed seat 13 is rotatably connected with the rotating shaft 14, and the scraper body 4 is fixedly installed on the rotating shaft 14 through the second connecting frame 15. Two groups of hollow tubes 16 are fixedly installed on the top of the first connecting frame 12, and the inside of the hollow tube 16 is slidably connected with a telescopic rod 17. The top of the telescopic rod 17 is fixedly connected to the bottom of the mounting plate 10.

[0027] Among them, when the adjustment of the scraper body 4 is completed, the driving cylinder 11 is operated, and the driving cylinder 11 drives the first connecting frame 12 and the second connecting frame 15 installed below the first connecting frame 12 through the fixed seat 13 and the rotating shaft 14 and the scraper body 4 to move up and down, so that the scraper body 4 can be used to contact the silk screen to perform ink scraping work.

[0028] When in use, first, the angle adjustment mechanism 5 is set to adjust the angle of the scraper body 4. After the adjustment is completed, the locking mechanism 6 is used to clamp it for a second time to ensure that the scraper body 4 will not deviate from the angle when in use. Then the pressure mechanism 3 can drive the scraper body 4 to move and pressurize the printing plate. Then the moving mechanism 2 set can drive the scraper body 4 to perform continuous ink scraping steps. Such an ink scraping device has a high degree of automation and does not require too much manual intervention, thereby ensuring the accuracy of screen printing. When adjusting the angle of the scraper body 4, the drive motor 18 is started to operate, and the drive motor 18 drives the first gear plate 19 to rotate. The rotation of the first gear plate 19 drives the second gear plate 20, the rotating shaft 14 and the scraper body 4 to rotate along the fixed plate 21, thereby completing the angle adjustment of the scraper body 4. When the angle adjustment of the scraper body 4 is completed After that, the first gear plate 19 and the second gear plate 20 are self-locked, and then the knob 24 is rotated. The knob 24 drives the threaded rod 23 to move along the threaded sleeve 22, and then the threaded rod 23 can be brought into contact with the rotating shaft 14, so that the secondary positioning and fixation of the rotating shaft 14 can be completed to prevent the scraper body 4 from angular deviation when moving. When the angle of the scraper body 4 is adjusted, the provided electric slider 8 can move left and right along the electric slide rail 7, so that the connecting frame 9 and the mounting plate 10 can be driven to move, thereby using the scraper body 4 to complete the ink scraping step. When the scraper body 4 is adjusted, the driving cylinder 11 is operated, and the driving cylinder 11 drives the first connecting frame 12 and the second connecting frame 15 installed below the first connecting frame 12 through the fixed seat 13 and the rotating shaft 14 and the scraper body 4 to move up and down, so that the scraper body 4 can be used to contact with the silk screen to perform ink scraping.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screen printer scraper device for processing high-efficiency dense-grid crystalline silicon cells, comprising a work frame (1) and a scraper body (4), characterized in that: A moving mechanism (2) for driving the scraper body (4) to move left and right is fixedly mounted on the top of the working frame (1); a pressing mechanism (3) for driving the scraper body (4) to move up and down is fixedly mounted on the moving mechanism (2); an angle adjustment mechanism (5) for adjusting the angle of the scraper body (4) is provided on the pressing mechanism (3); and a locking mechanism (6) for fixing the angle of the scraper body (4) is provided on one side of the pressing mechanism (3).

2. The ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells according to claim 1, characterized in that: The moving mechanism (2) comprises an electric slide rail (7), an electric slider (8), a connecting frame (9) and a mounting plate (10); two sets of electric slide rails (7) are fixedly mounted on the top of the working frame (1); the electric slider (8) is slidably connected to the electric slide rail (7); and the top of the electric slider (8) is fixedly connected to the mounting plate (10) via the connecting frame (9).

3. The ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells according to claim 2, characterized in that: The pressurizing mechanism (3) comprises a driving cylinder (11), a first connecting frame (12), a fixing seat (13) and a rotating shaft (14); the driving cylinder (11) is fixedly mounted on the top of the mounting plate (10); the output end of the driving cylinder (11) is fixedly connected to the first connecting frame (12); two groups of fixing seats (13) are fixedly mounted on the bottom of the first connecting frame (12); the fixing seat (13) is rotatably connected to the rotating shaft (14); and the scraper body (4) is fixedly mounted on the rotating shaft (14) via a second connecting frame (15).

4. The ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells according to claim 3, characterized in that: The angle adjustment mechanism (5) comprises a driving motor (18), a first gear plate (19) and a second gear plate (20); the driving motor (18) is fixedly mounted on the top of the first connecting frame (12); the output end of the driving motor (18) is fixedly connected to the first gear plate (19); and the second gear plate (20) meshing with the first gear plate (19) is fixedly mounted on one side of the rotating shaft (14).

5. The ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells according to claim 4, characterized in that: The locking mechanism (6) comprises a fixing plate (21), a threaded sleeve (22), a threaded rod (23) and a knob (24); the fixing plate (21) is fixedly mounted on the bottom of the first connecting frame (12); the threaded sleeve (22) is fixedly mounted on one side of the fixing plate (21); the threaded sleeve (22) is internally threadedly connected to the threaded rod (23); one side of the threaded rod (23) contacts the rotating shaft (14); and the other side of the threaded rod (23) is fixedly connected to the knob (24).

6. The ink scraping device of a screen printer for processing high-efficiency dense-grid crystalline silicon cells according to claim 5, characterized in that: Two groups of hollow tubes (16) are fixedly mounted on the top of the first connecting frame (12), a telescopic rod (17) is slidably connected inside the hollow tube (16), and the top of the telescopic rod (17) is fixedly connected to the bottom of the mounting plate (10).

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