Cell grid line silk-screen printing calibration system

Abstract

The invention discloses a cell grid line silk-screen printing calibration system, and relates to the technical field of grid line printing, the cell grid line silk-screen printing calibration system comprises a device main body, four groups of support columns are symmetrically arranged at the bottom of the device main body, a feed port and a discharge port are respectively formed in the outer surfaces of the left and right sides of the device main body, and a cover plate is arranged at the top of the device main body; an air conveying pipe is arranged at the top of the cover plate, an air extracting pump is arranged in the air conveying pipe, the other tail end of the air conveying pipe is connected with an air treatment box, supporting plates are arranged at the tops of the feeding port and the discharging port, second hydraulic rods are arranged at the tops of the supporting plates, and second hydraulic cylinders are arranged at the output ends of the second hydraulic rods; the tail ends of the other sides of the second hydraulic cylinders are fixedly connected with the bottom of the cover plate, an observation window is arranged on the outer surface of the front side of the device body, through cooperation of the structures, conductive paste can be accurately printed on the surfaces of the battery pieces, regular grid line patterns are formed, and accurate recognition and calibration of the positions of the battery pieces are achieved; and the high consistency of the grid line printing position is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of grid line printing, and in particular relates to a grid line screen printing calibration system for a battery cell. Background Art

[0002] The cell grid line screen printing calibration system is a professional equipment system that integrates high-precision positioning, precision adjustment and automated printing. The system integrates advanced sensor detection technology to achieve accurate identification and calibration of the cell position, ensuring high consistency of the grid line printing position. After confirming that the cell position is correct, the system uses a precision adjustment mechanism to make fine adjustments to achieve the best printing preparation state. Subsequently, the efficient screen printing device accurately prints the conductive paste on the cell surface under strict control to form a regular grid line pattern. This system not only improves production efficiency, but also significantly enhances the electrical performance and manufacturing accuracy of the cell. It is an indispensable key technical equipment in the modern photovoltaic industry.

[0003] In the process of implementing this application, it was found that the technology has the following problems: the existing grid line screen printing device for battery cells is not designed with a component for automatically calibrating the position of the battery cells, making it difficult to ensure accurate identification and calibration of the position of the battery cells, and the grid line printing position is difficult to guarantee.

[0004] Therefore, a solar cell grid line screen printing calibration system is proposed. Summary of the invention

[0005] The purpose of the present invention is to improve the accuracy of grid line printing position and the precise printing of conductive paste. The present application provides a grid line screen printing calibration system for a cell.

[0006] The technical solution adopted by the present invention is as follows: A battery cell grid line screen printing calibration system comprises a device body, four groups of support columns are symmetrically arranged at the bottom of the device body, a feed port and a discharge port are respectively opened on the left and right outer surfaces of the device body, a cover plate is arranged on the top of the device body, an air pipe is arranged on the top of the cover plate, an air pump is arranged inside the air pipe, and the other end of the air pipe is connected to an air treatment box; A support plate is provided on the top of the feed port and the discharge port, a second hydraulic rod is provided on the top of the support plate, a second hydraulic cylinder is provided at the output end of the second hydraulic rod, and the other end of the second hydraulic cylinder is fixedly connected to the bottom of the cover plate, an observation window is provided on the front outer surface of the device body, a first motor is provided on both sides of the observation window, and a second motor and a control device are provided below the observation window.

[0007] Furthermore, a transmission rod is provided at the output end of the second motor, and two groups of the transmission rods are provided, and another group of the transmission rods is rotatably connected to the front and rear inner surfaces of the device body, and a transmission belt is provided on the periphery of the transmission rods.

[0008] Furthermore, three groups of third hydraulic cylinders are arranged in parallel on the inner surfaces of the front and rear sides of the device body away from the conveyor belt, and a third hydraulic rod is arranged at the output end of each group of the third hydraulic cylinders, and a calibration plate is arranged at the other end of each group of the third hydraulic rods.

[0009] Furthermore, a buffer coating is provided on the outer surfaces of the two groups of calibration plates on the sides close to each other, and three groups of position sensors are provided in parallel between each group of calibration plates and the conveyor belt.

[0010] Furthermore, each group of the first motor output ends is provided with a screw rod, each group of the screw rods is provided with a threaded sleeve on the periphery, each group of the screw rods is provided with a screw rod chamber on the periphery, and a movable rod is provided on the outer surfaces of the two groups of threaded sleeves on the side close to each other.

[0011] Furthermore, the other side outer surface of each group of the screw rods is rotatably connected to the other side outer surface of the screw rod chamber, a first hydraulic cylinder is arranged on the top of the movable rod, a first hydraulic rod is arranged on the output end of the first hydraulic cylinder, and a printed part is arranged on the other side end of the first hydraulic rod.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. In the present invention, when a cell grid line screen printing device is used to print cell grid lines, the cell to be processed is placed inside the device through the feed port, the control device controls the start-up of the second motor according to the set parameters, and after the cell is transported to the bottom of the printed part, the position sensor performs accurate position detection on the cell, identifies its deviation from the ideal printing position, and transmits the position signal to the control device, which makes a judgment to control the start and stop sequence of the corresponding third hydraulic cylinder, and the third hydraulic rod at the output end of the third hydraulic cylinder moves to drive the corresponding calibration plate to position the cell plate. When the cell calibration is completed, the screen printing part also enters the preparation state, the screen printing plate is accurately installed and adjusted to the appropriate position, and the conductive slurry is injected into the printing screen, waiting for printing.

[0013] 2. In the present invention, when the battery cell position is calibrated correctly and the screen printing system is ready, the second motor is stopped, and the control device controls the first hydraulic cylinder to start, thereby adjusting the longitudinal distance between the printed part and the battery panel, and then the screen printing plate is gently pressed down to the surface of the battery cell, and the corresponding first motor is started to rotate the screw connected to its output end, and the rotation of the screw drives the corresponding printed part to move horizontally back and forth to ensure the uniformity of printing. After printing is completed, the control device controls the second motor to start again, and the position sensor monitors the battery cell conveying position until the battery cell is conveyed to the next stage. Through the discharge port, the qualified battery cell is conveyed to the next process or the collection device, waiting for further processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic structural diagram of a cross section of the present invention; Figure 3 For the present invention Figure 2 Detailed view of point A in the middle; Figure 4 For the present invention Figure 2 Detailed view of point B in the middle; Figure 5 The system block diagram of the working principle of the present invention.

[0015] In the figure: 1-device body; 2-support column; 3-feeding port; 4-conveying belt; 5-printing piece; 6-first hydraulic rod; 7-first hydraulic cylinder; 8-air pipe; 9-vacuum pump; 10-cover plate; 11-discharging port; 12-transmission rod; 13-support plate; 14-second hydraulic rod; 15-second hydraulic cylinder; 16-air handling box; 17-observation window; 18-first motor; 19-movable rod; 20-threaded sleeve; 21-screw chamber; 22-screw; 23-position sensor; 24-calibration plate; 25-third hydraulic cylinder; 26-third hydraulic rod; 27-control device; 28-second motor; 29-buffer coating. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention. Example

[0017] Reference Figure 1-Figure 5A battery cell grid line screen printing calibration system includes a device body 1, four groups of support columns 2 are symmetrically arranged at the bottom of the device body 1, a feed port 3 and a discharge port 11 are respectively opened on the left and right outer surfaces of the device body 1, a cover plate 10 is arranged on the top of the device body 1, an air pipe 8 is arranged on the top of the cover plate 10, an air pump 9 is arranged inside the air pipe 8, the other end of the air pipe 8 is connected to an air treatment box 16, a support plate 13 is arranged on the top of the feed port 3 and the discharge port 11, a second hydraulic rod 14 is arranged on the top of the support plate 13, and an output end of the second hydraulic rod 14 is provided with The second hydraulic cylinder 15 and the other end of the second hydraulic cylinder 15 are fixedly connected to the bottom of the cover plate 10, an observation window 17 is arranged on the front outer surface of the device body 1, and a first motor 18 is arranged on both sides of the observation window 17, and a second motor 28 and a control device 27 are arranged below the observation window 17. Specifically, the control device 27 adopts an AT89C52 single-chip microcomputer as the main control chip. Through the cooperation of the above structure, the conductive paste can be accurately printed on the surface of the battery cell to form a regular grid line pattern, so as to realize the accurate identification and calibration of the battery cell position and ensure the high consistency of the grid line printing position.

[0018] Reference Figure 1-Figure 5 A transmission rod 12 is provided at the output end of the second motor 28, and two groups of transmission rods 12 are provided, and the other group of transmission rods 12 is rotatably connected to the inner surfaces of the front and rear sides of the device body 1, and a conveyor belt 4 is provided on the periphery of the transmission rod 12. Specifically, the control device 27 controls the start of the second motor 28 according to the set parameters, and after the battery cell is transported to the bottom of the printing piece 5, the position sensor 23 accurately detects the position of the battery cell, identifies its deviation from the ideal printing position, and transmits the position signal to the control device 27. Three groups of third hydraulic cylinders 25 are arranged in parallel on the inner surfaces of the front and rear sides of the device body 1 away from the conveyor belt 4. The output end of each group of third hydraulic cylinders 25 is provided with a third hydraulic rod 26, and the other end of each group of third hydraulic rods 26 is provided with a calibration plate 24. Specifically, the position sensor 23 is used to accurately detect the position of the battery cell, and its deviation relative to the ideal printing position is identified, so as to transmit the position signal to the control device 27. The control device 27 makes a judgment to control the start and stop sequence of the corresponding third hydraulic cylinder 25. The third hydraulic rod 26 at the output end of the third hydraulic cylinder 25 moves to drive the corresponding calibration plate 24 to position the battery cell.

[0019] Reference Figure 1-Figure 5, the outer surfaces of the two sets of calibration plates 24 close to each other are provided with a buffer coating 29, and three sets of position sensors 23 are arranged in parallel between each set of calibration plates 24 and the conveyor belt 4. Specifically, when the battery cell calibration is completed, the screen printing part 5 also enters the preparation state, the screen printing plate is accurately installed and adjusted to the appropriate position, and the conductive paste is injected into the printing screen, waiting for printing. A screw rod 22 is arranged at the output end of each set of the first motor 18, and a threaded sleeve 20 is arranged on the periphery of each set of screw rods 22, and a screw rod chamber 21 is arranged on the periphery of each set of screw rods 22. The outer surfaces of the two sets of threaded sleeves 20 close to each other are provided with a movable rod 19. Specifically, the position sensor 23 monitors the conveying position of the battery cell until the battery cell is conveyed to the next stage. Through the discharge port 11, the qualified battery cell is conveyed to the next process or the collection device, waiting for further processing.

[0020] Reference Figure 1-Figure 5 The other side outer surface of each group of screw rods 22 is rotatably connected to the other side outer surface of the screw rod chamber 21. A first hydraulic cylinder 7 is arranged on the top of the movable rod 19. A first hydraulic rod 6 is arranged at the output end of the first hydraulic cylinder 7, and a printing piece 5 is arranged at the other end of the first hydraulic rod 6. Specifically, by starting the corresponding first motor 18 to rotate the screw rod 22 connected to its output end, the rotation of the screw rod 22 drives the corresponding printing piece 5 to move horizontally forward and backward to ensure the uniformity of printing.

[0021] The implementation principle of the embodiment of the solar cell grid line screen printing calibration system of the present application is: When the grid lines of the cell are printed using the cell grid line screen printing device, the cell to be processed is placed inside the device through the feed port 3, and the control device 27 uses the AT89C52 single-chip microcomputer as the main control chip. The control device 27 controls the start of the second motor 28 according to the set parameters. After the cell is transported to the bottom of the printing piece 5, the position sensor 23 accurately detects the position of the cell, identifies its deviation from the ideal printing position, and transmits the position signal to the control device 27. The control device 27 makes a judgment to control the start and stop sequence of the corresponding third hydraulic cylinder 25. The third hydraulic rod 26 at the output end of the third hydraulic cylinder 25 moves to drive the corresponding calibration plate 24 to position the cell plate. When the cell calibration is completed, the screen printing piece 5 also enters the preparation state, the screen printing plate is accurately installed and adjusted to the appropriate position, and the conductive paste is injected into the printing screen, waiting for printing.

[0022] On the other hand, when the battery cell position is calibrated correctly and the screen printing system is ready, the second motor 28 is stopped, and the control device 27 controls the first hydraulic cylinder 7 to start, so as to adjust the longitudinal distance between the printed part 5 and the battery panel. Then, the screen printing plate is gently pressed down to the surface of the battery cell, and the corresponding first motor 18 is started to rotate the screw rod 22 connected to its output end. The rotation of the screw rod 22 drives the corresponding printed part 5 to move horizontally back and forth to ensure the uniformity of printing. After printing is completed, the control device 27 controls the second motor 28 to start again, and the position sensor 23 monitors the battery cell conveying position until the battery cell is conveyed to the next stage. Through the discharge port 11, the qualified battery cell is conveyed to the next process or the collection device to wait for further processing.

[0023] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cell grid line screen printing calibration system, comprising a device body (1), characterized in that: Four groups of support columns (2) are symmetrically arranged at the bottom of the device body (1); a feed port (3) and a discharge port (11) are respectively provided on the left and right outer surfaces of the device body (1); a cover plate (10) is provided on the top of the device body (1); an air supply pipe (8) is provided on the top of the cover plate (10); an air pump (9) is provided inside the air supply pipe (8); and the other end of the air supply pipe (8) is connected to an air treatment box (16); A support plate (13) is provided on the top of the feed port (3) and the discharge port (11), a second hydraulic rod (14) is provided on the top of the support plate (13), a second hydraulic cylinder (15) is provided at the output end of the second hydraulic rod (14), the other end of the second hydraulic cylinder (15) is fixedly connected to the bottom of the cover plate (10), an observation window (17) is provided on the front outer surface of the device body (1), a first motor (18) is provided on both sides of the observation window (17), and a second motor (28) and a control device (27) are provided below the observation window (17).

2. A solar cell grid line screen printing calibration system as claimed in claim 1, characterized in that: The output end of the second motor (28) is provided with a transmission rod (12), and the transmission rod (12) is provided in two groups, and the other group of the transmission rods (12) is rotatably connected to the front and rear inner surfaces of the device body (1), and a transmission belt (4) is provided on the periphery of the transmission rod (12).

3. A solar cell grid line screen printing calibration system as claimed in claim 2, characterized in that: Three groups of third hydraulic cylinders (25) are arranged in parallel on the inner surfaces of the front and rear sides of the device body (1) away from the conveyor belt (4), and a third hydraulic rod (26) is arranged at the output end of each group of the third hydraulic cylinders (25), and a calibration plate (24) is arranged at the other end of each group of the third hydraulic rods (26).

4. A solar cell grid line screen printing calibration system as claimed in claim 3, characterized in that: The outer surfaces of the two groups of calibration plates (24) on one side close to each other are both provided with a buffer coating (29), and three groups of position sensors (23) are arranged in parallel between each group of calibration plates (24) and the conveyor belt (4).

5. A solar cell grid line screen printing calibration system as claimed in claim 4, characterized in that: The output end of each group of the first motor (18) is provided with a screw rod (22), the periphery of each group of the screw rods (22) is provided with a threaded sleeve (20), the periphery of each group of the screw rods (22) is provided with a screw rod chamber (21), and the outer surfaces of the two groups of the threaded sleeves (20) on one side close to each other are provided with a movable rod (19).

6. A solar cell grid line screen printing calibration system as claimed in claim 5, characterized in that: The other side outer surface of each group of the screw rods (22) is rotatably connected to the other side outer surface of the screw rod chamber (21); a first hydraulic cylinder (7) is arranged at the top of the movable rod (19); a first hydraulic rod (6) is arranged at the output end of the first hydraulic cylinder (7); and a printed part (5) is arranged at the other side end of the first hydraulic rod (6).

Images