A clamping and fixing device of an N-TOPCon cell laser cutting equipment

Abstract

The application discloses a clamping and fixing device of an N-TOPCon cell piece laser cutting equipment, which comprises a cutting fixing disc, a cell piece work station groove for clamping and fixing the cell piece is formed at the edge of the upper surface of the cutting fixing disc, clamping wheel assembly grooves are formed at the positions of the two sides of the upper surface of the cutting fixing disc and located at the cell piece work station groove, clamping wheels are rotatably installed in the clamping wheel assembly grooves, elastic clamping rings are sleeved on the clamping wheels, the clamping wheel assembly grooves are communicated with the cell piece work station groove, and the surfaces of the clamping rings protrude into the cell piece work station groove. The application is suitable for N-TOPCon cell piece processing. In the device, the cell piece is arranged in the cell piece work station groove. When the cell piece is inserted into the cell piece work station groove, the clamping ring on the clamping wheel can clamp the cell piece, and in the process of rotating the clamping wheel, the cell piece can be pushed to move in the cell piece work station groove, so that the effect of assisting in feeding and discharging is achieved.

Description

Technical Field

[0001] This invention relates to the field of technology, and in particular to a clamping and fixing device for an N-TOPCon solar cell laser cutting equipment. Background Technology

[0002] With PERC cells gradually approaching their efficiency limits, TOPCon cells are considered the most promising candidate to replace PERC cells as the next generation of mainstream solar cell technology. Although HIT cells have higher efficiency, their cost will remain high in the long term. TOPCon cells, on the other hand, have higher efficiency potential and stability. In addition, the efficiency limit of TOPCon cells is about 28.7%, which is much higher than PERC's 25% and HJT's 27.5%, and very close to the theoretical efficiency limit of monocrystalline silicon, which is 29.43%.

[0003] The clamping and fixing device of the N-TOPCon solar cell laser cutting equipment is a device used in the production of N-TOPCon solar cells to clamp and fix the solar cells in the cutting equipment. In the existing solar cell cutting equipment, the solar cells are mostly clamped or pressed directly onto the cutting station of the cutting equipment by clamping plates. Before and after the solar cell cutting is completed, the solar cells need to be loaded and unloaded through the structure of the loading and unloading station. That is, the loading and unloading structure and the clamping structure are two unrelated structural stations, so the equipment cost is high. Summary of the Invention

[0004] The purpose of this invention is to overcome the defects in the prior art and provide a clamping and fixing device for N-TOPCon solar cell laser cutting equipment.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] This invention discloses a clamping and fixing device for an N-TOPCon solar cell laser cutting equipment, comprising a cutting fixing plate with an installation opening in the middle. A solar cell station groove for clamping and fixing solar cells is formed at the edge of the upper surface of the cutting fixing plate. Clamping wheel assembly grooves are formed on both sides of the solar cell station groove on the upper surface of the cutting fixing plate. Clamping wheels are rotatably mounted in the clamping wheel assembly grooves, and elastic clamping rings are fitted onto the clamping wheels. The clamping wheel assembly grooves communicate with the solar cell station grooves, and the surface of the clamping rings protrudes into the solar cell station groove, allowing the clamping rings to clamp the solar cells within the solar cell station groove. This device is used in the cutting equipment for N-TOPCon solar cells. During use, the cutting fixing disc is rotated and mounted on the cutting equipment. The cutting equipment performs laser cutting on the solar cells that are locked and fixed in the cutting fixing disc. In this device, the solar cells are placed in the solar cell station slot (the solar cells and the solar cell station slot are fitted with a clearance fit, and the solar cells are inserted into the solar cell station slot through the open end of the solar cell station slot). When the solar cells are inserted into the solar cell station slot, the clamping ring on the clamping wheel can clamp the solar cells. During the rotation of the clamping wheel, it can push the solar cells to move in the solar cell station slot, thereby achieving the effect of assisting in feeding.

[0007] Preferably, a servo motor is installed at the bottom of the cutting fixing plate, and the bottom of the clamping wheel is rotatably mounted on the cutting fixing plate via a rotating shaft. The output shaft of the servo motor is fixedly connected to the rotating shaft at the bottom of the clamping wheel. When the servo motor is running, it drives the clamping wheel to rotate via the rotating shaft, thereby pushing the battery cell to move in the battery cell station slot, achieving the effect of assisting in feeding.

[0008] Preferably, a set of clamping wheels is provided on both sides of the same battery cell station slot, and multiple clamping wheels are provided in each set. The rotating shafts on the multiple clamping wheels in the same set are connected by synchronous belt drive.

[0009] Preferably, the clamping ring is detachable, which facilitates regular replacement and ensures effective clamping and feeding.

[0010] Preferably, the surface of the clamping wheel has a stepped structure along the circumference, a chuck is provided on the top of the clamping wheel, the clamping ring is sleeved on the stepped structure of the clamping wheel, the chuck has a through hole in the middle, and a threaded post is provided at the center of the top of the clamping wheel. The threaded post passes through the through hole in the middle of the chuck and is fixed by a nut. When the chuck is disassembled, the clamping ring can be removed from the clamping wheel for replacement.

[0011] Preferably, the bottom of the chuck is provided with at least a positioning pin, and the upper surface of the clamping wheel is provided with a plurality of positioning holes that are adapted to the positioning pin. The positioning pin is inserted into the positioning hole. This structural arrangement ensures that the chuck will not rotate due to the rotation of the clamping wheel after assembly, thereby ensuring the stability of the chuck installation.

[0012] Preferably, the inner side of the clamping ring is provided with a limiting protrusion in the vertical direction, and the outer surface of the clamping wheel is provided with a limiting groove in the vertical direction that matches the limiting protrusion. The limiting protrusion is engaged in the limiting groove. This structure ensures that when the clamping wheel clamps the battery cell and rotates to push the battery cell to load or unload, there will be no relative rotation between the clamping wheel and the clamping ring, thus ensuring the stability of the clamping ring.

[0013] Preferably, a plurality of limiting protrusions are provided, and the plurality of limiting protrusions are distributed in a ring array on the clamping ring sleeve.

[0014] Preferably, the upper surface of the cutting and fixing disc is provided with mounting cavities on both sides of the battery cell station slot. Clamping plates are movably installed in the mounting cavities, and there is an elastic component between the clamping plates and the mounting cavities. Preferably, the mounting cavities are located at the ends of the battery cell station slots (the end of the battery cell station slot near the edge of the cutting and fixing disc is the front end, and the other end is the end end). This structural arrangement allows the battery cell to be clamped by the two clamping plates after it is inserted into the battery cell station slot, making the battery cell more stable. Preferably, the front end of the clamping plate adopts an inclined ramp structure, and the end of the clamping plate is stuck in the mounting cavity, thus ensuring that the entry of the battery cell is not affected by the end of the clamping plate.

[0015] Preferably, the elastic component includes a fixed shaft and a compression spring sleeved on the fixed shaft. One end of the compression spring is connected to one side of the clamping plate. Under the action of the compression spring, the clamping plate can be squeezed towards the battery cell station slot to achieve the effect of assisting in clamping the battery cell.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] In this device, the battery cells are placed in the battery cell station slot. When the battery cell is inserted into the station slot, the clamping ring on the clamping wheel can clamp the battery cell. During the rotation of the clamping wheel, the battery cell can be pushed to move within the station slot, thus achieving the effect of assisting in feeding and unloading. Therefore, this device does not require an additional unloading structure during use. Unloading and assisted feeding can be achieved directly through the clamping wheel, reducing the cost of the cutting equipment. Furthermore, the clamping ring is detachable, making it convenient to replace it periodically to ensure its clamping and feeding effect.

[0018] In this device, the upper surface of the cutting and fixing plate is provided with mounting cavities on both sides of the cell station slot. Clamping plates are movably installed in the mounting cavities, and there are elastic components between the clamping plates and the mounting cavities. This allows the two clamping plates to help hold the cell after it is inserted into the cell station slot, making the cell more stable during cutting. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a bottom view of the present invention;

[0021] Figure 3 This is a top view of the present invention;

[0022] Figure 4 For the present invention Figure 3 Enlarged view of area A in the middle;

[0023] Figure 5 This is a schematic diagram showing the disassembled clamping wheel of the present invention;

[0024] Figure 6 This is a schematic diagram of the clamping ring sleeve installation structure in this invention.

[0025] Reference numerals in the attached diagram: 1. Cutting and fixing plate; 2. Battery cell station slot; 3. Clamping wheel; 4. Clamping wheel assembly slot; 5. Mounting port; 6. Synchronous belt; 7. Rotating shaft; 8. Servo motor; 9. Clamping plate; 10. Compression spring; 11. Fixing shaft; 12. Mounting cavity; 13. Threaded post; 14. Positioning hole; 15. Chuck; 16. Clamping ring sleeve; 17. Positioning pin; 18. Limiting protrusion; 19. Limiting groove. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1 - Appendix Figure 6 This invention further illustrates a specific embodiment of the clamping and fixing device for an N-TOPCon solar cell laser cutting equipment. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment is not limited to the embodiments described below.

[0027] Example 1:

[0028] This embodiment provides a clamping and fixing device for an N-TOPCon solar cell laser cutting equipment, such as... Figure 1-6As shown, the device includes a cutting and fixing disk 1, with an installation port 5 in the middle. A battery cell station groove 2 for clamping and fixing battery cells is provided at the edge of the upper surface of the cutting and fixing disk 1. Clamping wheel assembly grooves 4 are provided on both sides of the upper surface of the cutting and fixing disk 1 at the battery cell station groove 2. Clamping wheels 3 are rotatably installed in the clamping wheel assembly grooves 4. An elastic clamping ring sleeve 16 is sleeved on the clamping wheel 3. The clamping wheel assembly grooves 4 are connected to the battery cell station groove 2. The surface of the clamping ring sleeve 16 protrudes into the battery cell station groove 2, so that the clamping ring sleeve 16 can clamp the battery cells in the battery cell station groove 2.

[0029] By adopting the above technical solution:

[0030] This device is used in the cutting equipment for N-TOPCon solar cells. In use, the cutting fixing disk 1 is rotatably mounted on the cutting equipment. The cutting equipment performs laser cutting on the solar cells that are fixed and stable in the cutting fixing disk 1. In this device, the solar cells are placed in the solar cell station slot 2 (the solar cells and the solar cell station slot 2 are fitted with a clearance, and the solar cells are inserted into the solar cell station slot 2 through the open end of the solar cell station slot 2). When the solar cells are inserted into the solar cell station slot 2, the clamping ring sleeve 16 on the clamping wheel 3 can clamp the solar cells. During the rotation of the clamping wheel 3, it can push the solar cells to move in the solar cell station slot 2, thereby achieving the effect of assisting in feeding.

[0031] Example 2

[0032] Based on Embodiment 1, in this embodiment, a servo motor 8 is installed at the bottom of the cutting fixing disk 1, and the bottom of the clamping wheel 3 is rotatably mounted on the cutting fixing disk 1 via a rotating shaft 7. The output shaft of the servo motor 8 is fixedly connected to the rotating shaft 7 at the bottom of the clamping wheel 3.

[0033] Each side of the same cell station slot 2 is provided with a set of clamping wheels 3, and multiple clamping wheels are provided in each set. The rotating shafts 7 on the multiple clamping wheels 3 in the same set are connected by a synchronous belt 6.

[0034] The clamping ring 16 is detachable, which makes it easy to replace it regularly and ensures its clamping and feeding effect.

[0035] The surface of the clamping wheel 3 has a stepped structure along the circumference. A chuck 15 is provided on the top of the clamping wheel 3. A clamping ring sleeve 16 is sleeved on the stepped structure of the clamping wheel 3. The chuck 15 has a through hole in the middle. A threaded post 13 is provided at the center of the top of the clamping wheel 3. The threaded post 13 passes through the through hole in the middle of the chuck 15 and is fixed by a nut. When the chuck 15 is disassembled, the clamping ring sleeve 16 can be removed from the clamping wheel 3 for replacement.

[0036] The bottom of the chuck 15 is provided with at least a positioning pin 17, and the upper surface of the clamping wheel 3 is provided with multiple positioning holes 14 that are adapted to the positioning pin 17. The positioning pin 17 is inserted into the positioning hole 14. This structure ensures that the chuck 15 will not rotate due to the rotation of the clamping wheel 3 after assembly, thereby ensuring the stability of the chuck 15 installation.

[0037] The inner side of the clamping ring sleeve 16 is provided with a limiting protrusion 18 in the vertical direction, and the outer surface of the clamping wheel 3 is provided with a limiting groove 19 in the vertical direction that is adapted to the limiting protrusion 18. The limiting protrusion 18 is engaged in the limiting groove 19.

[0038] Multiple limiting protrusions 18 are provided, and the multiple limiting protrusions 18 are distributed in a ring array on the clamping ring sleeve 16.

[0039] By adopting the above technical solution:

[0040] When the servo motor 8 is running, it drives the clamping wheel 3 to rotate through the rotating shaft 7, thereby pushing the battery cell to move in the battery cell station slot 2 to achieve the effect of assisting in feeding. The clamping ring sleeve 16 is detachable, which is convenient for periodic replacement to ensure its clamping and feeding effect. In addition, a limit structure is set between the clamping ring sleeve 16 and the clamping wheel 3 to ensure that there is no relative rotation between the clamping wheel 3 and the clamping ring sleeve 16 when the clamping wheel 3 clamps the battery cell and rotates to push the battery cell to load and unload, thus ensuring the stability of the clamping ring sleeve 16.

[0041] Example 3

[0042] Based on Embodiment 1, in this embodiment, the upper surface of the cutting and fixing disk 1 is provided with mounting cavities 12 on both sides of the battery cell station slot 2. A clamping plate 9 is movably installed in the mounting cavity 12. An elastic component is provided between the clamping plate 9 and the mounting cavity 12. Preferably, the mounting cavity 12 is located at the end of the battery cell station slot 2 (the end of the battery cell station slot 2 near the edge of the cutting and fixing disk 1 is the front end, and the other end is the end end). Preferably, the front end of the clamping plate 9 adopts an inclined ramp structure, and the end of the clamping plate 9 is stuck in the mounting cavity 12, so as to ensure that the entry of the battery cell is not affected by the end of the clamping plate 9.

[0043] The elastic component includes a fixed shaft 11 and a compression spring 10 sleeved on the fixed shaft 11. One end of the compression spring 10 is connected to one side of the clamping plate 9. Under the action of the compression spring 10, the clamping plate 9 can be squeezed towards the battery cell station slot 2 to achieve the effect of assisting in clamping the battery cell.

[0044] By adopting the above technical solution:

[0045] After the battery cell is inserted into the battery cell slot 2, the two clamping plates 9 can help to hold the battery cell, making the battery cell more stable during cutting.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A clamping and fixing device for an N-TOPCon solar cell laser cutting equipment, comprising a cutting fixing plate (1), wherein the cutting fixing plate (1) has a mounting opening (5) in the middle, characterized in that: The upper surface edge of the cutting and fixing disk (1) is provided with a battery cell station groove (2) for clamping and fixing battery cells. The upper surface of the cutting and fixing disk (1) is provided with clamping wheel assembly grooves (4) on both sides of the battery cell station groove (2). Clamping wheels (3) are rotatably installed in the clamping wheel assembly grooves (4). Among them, the clamping wheel (3) is fitted with an elastic clamping ring sleeve (16), the clamping wheel assembly groove (4) is connected to the battery cell station slot (2), and the surface of the clamping ring sleeve (16) protrudes into the battery cell station slot (2), so that the clamping ring sleeve (16) can clamp the battery cell in the battery cell station slot (2). A servo motor (8) is installed at the bottom of the cutting fixing plate (1). The bottom of the clamping wheel (3) is rotatably mounted on the cutting fixing plate (1) via a rotating shaft (7). The output shaft of the servo motor (8) is fixedly connected to the rotating shaft (7) at the bottom of the clamping wheel (3). A set of clamping wheels (3) is provided on both sides of the same battery cell work station slot (2). Each set is provided with multiple clamping wheels (3). The rotating shafts (7) on the multiple clamping wheels (3) in the same set are connected by a synchronous belt (6). The upper surface of the cutting and fixing plate (1) is provided with mounting cavities (12) on both sides of the battery cell work station slot (2). A clamping plate (9) is movably installed in the mounting cavity (12), and there is an elastic component between the clamping plate (9) and the mounting cavity (12).

2. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 1, characterized in that: The clamping ring sleeve (16) and the clamping wheel (3) are detachably connected.

3. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 2, characterized in that: The surface of the clamping wheel (3) has a stepped structure along the circumference. A chuck (15) is provided on the top of the clamping wheel (3). The clamping ring (16) is sleeved on the stepped structure of the clamping wheel (3). The chuck (15) has a through hole in the middle. A threaded post (13) is provided at the center of the top of the clamping wheel (3). The threaded post (13) passes through the through hole in the middle of the chuck (15) and is fixed by a nut.

4. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 3, characterized in that: The chuck (15) has at least one positioning pin (17) at its bottom, and the upper surface of the clamping wheel (3) has multiple positioning holes (14) that are adapted to the positioning pin (17), and the positioning pin (17) is inserted into the positioning hole (14).

5. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 3, characterized in that: The inner side of the clamping ring (16) is provided with a limiting protrusion (18) in the vertical direction, and the outer surface of the clamping wheel (3) is provided with a limiting groove (19) that is adapted to the limiting protrusion (18) in the vertical direction. The limiting protrusion (18) is engaged in the limiting groove (19).

6. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 5, characterized in that: Multiple limiting protrusions (18) are provided, and the multiple limiting protrusions (18) are arranged in a ring array on the clamping ring sleeve (16).

7. The clamping and fixing device for an N-TOPCon solar cell laser cutting equipment according to claim 1, characterized in that: The elastic component includes a fixed shaft (11) and a compression spring (10) sleeved on the fixed shaft (11), one end of which is connected to one side of the clamping plate (9).

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