Battery piece scribing device and scribing method

Abstract

The invention relates to a battery piece scribing device and method, and the device comprises a feeding mechanism which comprises at least two first conveying lines and a lifting assembly, the first conveying lines are used for conveying a battery piece to be scribed and a battery box, and the output end of the lifting assembly is connected with a second conveying line and can be in butt joint with any first conveying line; the conveying mechanism comprises a first transfer assembly, a third conveying line, a first adsorption assembly, a first transfer assembly, a second transfer assembly and a first detection assembly, and the first transfer assembly and the second transfer assembly are both arranged on one side of the first conveying line; the scribing mechanism comprises a restoration assembly and a laser scribing assembly. Through the arrangement, high-speed scribing of the scribing device on the battery piece is achieved, and meanwhile high compatibility and high utilization rate of the device are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of battery cell processing technology, and in particular to a battery cell dicing device and dicing method. Background Technology

[0002] With the rapid development of the new energy industry, the demand for solar cells, as a core energy storage component, is constantly increasing, placing higher demands on the processing precision, production efficiency, and product qualification rate of solar cells. Dicing is a crucial step in the solar cell processing, its main function being to cut whole solar cells into half-cells of preset sizes to fit the assembly requirements of energy storage devices of different specifications.

[0003] Currently, most existing solar cell dicing devices are decentralized, resulting in low overall automation and large space requirements. In the feeding stage, a single conveyor line is often used. When material is depleted or the conveyor line malfunctions, the entire dicing device must be shut down for replenishment or maintenance, severely impacting operational continuity. In the conveying stage, a single-sequence conveying method is generally used. When multiple conveying components operate simultaneously, interference can easily occur, leading to low conveying efficiency and material misalignment. The unloading and recycling stage lacks an orderly sorting and recycling mechanism, resulting in qualified cells, unqualified products, and empty battery boxes being mixed together after dicing, hindering subsequent storage, transfer, and reuse. Replacing battery boxes requires machine shutdown, leading to low equipment uptime. Furthermore, existing dicing methods are cumbersome, with poorly coordinated steps, increasing the risk of cell damage and resulting in low dicing efficiency and unstable product quality, failing to meet the demands of large-scale, automated production.

[0004] Therefore, there is an urgent need for a cell dicing device that is highly automated, high-speed, highly compatible, and has a high uptime, enabling smooth operation of the entire cell dicing process while improving dicing accuracy, operating efficiency, and product qualification rate, and reducing manual intervention and production costs, so as to solve the above-mentioned technical problems existing in the current technology. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the existing battery cell dicing devices are mostly decentralized structures, resulting in low overall automation and large space occupation, and thus provide a battery cell dicing device.

[0006] To solve the above-mentioned technical problems, the present invention provides a battery cell dicing device, comprising:

[0007] The feeding mechanism includes at least two first conveyor lines and a lifting assembly. The first conveyor lines are used to convey the battery cells to be cut and the battery box. The output end of the lifting assembly is connected to the second conveyor line and can be docked to any of the first conveyor lines.

[0008] A conveying mechanism includes: a first transfer component, a third conveying line, a first adsorption component, a first transfer component, a second transfer component, and a first detection component. The first transfer component and the second transfer component are both disposed on one side of the first conveying line. The first adsorption component is connected to the output end of the first transfer component to transfer the battery cell or battery box to be diced from the second conveying line to the third conveying line. The first detection component is disposed on the output side of the third conveying line and is used to detect the battery cell to be diced. The first transfer component and the second transfer component can respectively transfer the battery cell or battery box to be diced on the output side of the third conveying line. The load ends of the first transfer component and the second transfer component can be staggered along the height direction and can respectively transfer the battery cell to be diced along a first direction.

[0009] A dicing mechanism includes: a straightening component and a laser dicing component. The straightening component is disposed on the input side of the third conveyor line and is capable of straightening the battery cell to be diced along the second direction. The laser dicing component is used to dice the battery cell to be diced on the first transfer component or the second transfer component.

[0010] The feeding mechanism includes a second transfer component, a second detection component, and a wafer collection and recycling component. The second transfer component is used to transfer the diced solar cells from the first transfer component or the second transfer component to the wafer collection and recycling component. The second detection component is used to detect the diced solar cells.

[0011] In one embodiment of the present invention, at least two first conveyor lines are arranged side by side along a second direction. Each first conveyor line includes a first sub-conveyor line and a second sub-conveyor line. The first sub-conveyor line and the second sub-conveyor line are spaced apart along the height direction. The lifting components are configured as at least two and are respectively corresponding to the first conveyor lines. Each lifting component includes a first sub-lifting component, a second sub-lifting component, and a second conveyor line. The second conveyor line is connected to the output end of the first sub-lifting component. The second sub-lifting component is connected to the output end of the first lifting component to drive the battery box to separate from the second conveyor line and dock with the first sub-conveyor line or the second sub-conveyor line.

[0012] In one embodiment of the present invention, multiple third conveyor lines are configured and arranged side by side at intervals. The alignment components are disposed on both sides of the third conveyor lines along a second direction. The alignment components include: a first bracket, a third drive member, a locking member, a straightening member, a first synchronous pulley, a second synchronous pulley, and a synchronous belt. The first synchronous pulley and the second synchronous pulley are rotatably connected to both ends of the first bracket along the second direction. The output end of the third drive member is connected to the first synchronous pulley. The two ends of the synchronous belt are respectively sleeved on the first synchronous pulley and the second synchronous pulley. Locking members are respectively connected to both sides of the synchronous belt along the first direction. The straightening members are connected to the locking members and are located on both sides of the third conveyor line.

[0013] In one embodiment of the present invention, the first transfer component includes: a first driving member, a second driving member, a base plate, and a support plate, wherein the second driving member is connected to the output end of the first driving member to be driven along a first direction, the base plate is connected to the output end of the second driving member to be driven along a height direction, and the support plates are configured in multiples and arranged side by side at intervals.

[0014] In one embodiment of the present invention, the first detection component is disposed at the third conveyor line and located on the output side of the correction component. The first detection component includes a first light source and a first camera, which are respectively disposed on both sides of the third conveyor line along the height direction.

[0015] In one embodiment of the present invention, the laser scribing assembly includes: a second bracket, a fourth driving member, a focuser, a laser, an air blowing assembly, and a second light source. The fourth driving member is disposed on the second bracket and is used to drive the focuser and the laser to move along a second direction. The axes of the focuser and the laser intersect the cell to be scribed, and their projections along the height direction do not coincide with the projections of the third conveyor line along the height direction. The output side of the air blowing assembly faces the cell to be scribed, and the second light source is disposed on one side of the cell to be scribed.

[0016] This solution also discloses a dicing method, which uses the aforementioned cell dicing device to dice the cell to be diced, and includes the following steps:

[0017] S1: Provide multiple sets of diced solar cells on at least two layers of first conveyor lines, and connect the second conveyor line to any of the first conveyor lines to transport the diced solar cells.

[0018] S2: The cell to be diced is transferred from the second conveyor line to the input side of the third conveyor line, the cell to be diced is shaped along the second direction, and the dicing operator is located in the output direction of the third conveyor line;

[0019] S3: The cell to be diced is detected at the output side of the third conveyor line and transferred to the first transfer component. The cell to be diced is transferred to the dicing station by the first transfer component. At the dicing station, the cell to be diced on the first transfer component is diced. At the same time, the next cell to be diced is picked up from the output side of the third conveyor line by the second transfer component. The diced cell is then transported to the input end of the second transfer component by the first transfer component.

[0020] S4: The cell to be diced is detected at the output side of the third conveyor line and transferred to the second transfer component. The cell to be diced is transferred to the dicing station by the second transfer component. At the dicing station, the cell to be diced on the second transfer component is diced. At the same time, the next cell to be diced is taken from the output side of the third conveyor line by the first transfer component. The diced cell is then transported to the input end of the second transfer component by the second transfer component.

[0021] S5: Repeat steps S3 and S4 until each cell is diced and a cell collection and recycling station is provided. The diced cells are then transferred to the cell collection and recycling station using the second transfer component.

[0022] In one embodiment of the present invention, in step S2, the battery cell to be diced is transferred from the second conveyor line to the input side of the third conveyor line by a first transfer component. The first transfer component includes a fifth driving member, a drive motor, an adsorption frame, and suction cups. The fifth driving member is used to drive along a second direction. The drive motor is connected to the output end of the fifth driving member. The adsorption frame is connected to the output end of the drive motor. The length of the adsorption frame is greater than the width of at least two first conveyor lines. Multiple suction cups are respectively provided on both sides of the adsorption frame along the length direction. The adsorption frame is rotated so that both ends correspond to one of the second conveyor lines. The battery cell or battery box on the second conveyor line is adsorbed by the suction cups. The battery cell or battery box is transferred to the input side of the third conveyor line by rotating the adsorption frame in the opposite direction.

[0023] In one embodiment of the present invention, in steps S3 and S4, both the first transfer component and the second transfer component are capable of moving along a first direction to allow the battery cells to move between the output end of the third conveyor line and the second transfer component, the dicing station, and the output end of the second transfer component. The load ends of the first transfer component and the second transfer component are capable of moving along the height direction to allow the conveyed battery cells to avoid each other. The first transfer component and the second transfer component are also capable of transferring empty battery boxes from the output side of the third conveyor line to the input end of the second transfer component.

[0024] In one embodiment of the present invention, step S5 further includes: providing a detection station, wherein the detection station is provided with two fourth conveyor lines that can be close to or far from each other, the two fourth conveyor lines being used to carry two half-cells of the battery after dicing, and also includes a cell collection and recycling station, wherein the second transfer component is capable of transferring an empty battery box to the cell collection and recycling station, and simultaneously transferring the two half-cells of the battery to the empty battery box at the cell collection and recycling station.

[0025] Compared with the prior art, the above-described technical solution of the present invention has the following advantages:

[0026] This invention discloses a battery cell dicing device that integrates four core mechanisms: a feeding mechanism, a conveying mechanism, a dicing mechanism, and a discharging mechanism. This achieves fully automated operation of the entire process from feeding, alignment, inspection, dicing, to unloading and recycling of the battery cells to be diced. This improves operational continuity and reduces downtime losses. The feeding mechanism employs at least two first conveyor lines in conjunction with a lifting assembly and a second conveyor line, enabling parallel material supply. When one first conveyor line malfunctions or runs out of material, the lifting assembly can drive the second conveyor line to quickly connect with the other first conveyor line, ensuring continuous material supply and preventing the entire dicing device from shutting down, effectively reducing downtime losses. The coordinated operation of the first and second transfer components in the conveying mechanism enables the separate transfer and alternating operation of the battery cells to be diced and the diced cells, further improving the utilization rate of the dicing device. Attached Figure Description

[0027] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0028] Figure 1 This is a schematic diagram of the dicing device of the present invention;

[0029] Figure 2 This is a schematic diagram of the feeding mechanism of the present invention;

[0030] Figure 3 This is a schematic diagram of the lifting assembly of the present invention;

[0031] Figure 4 This is a schematic diagram of the structure of the first transfer component of the present invention;

[0032] Figure 5 This is a schematic diagram of the conveying mechanism of the present invention;

[0033] Figure 6 This is a schematic diagram of the structure of the third conveyor line of the present invention;

[0034] Figure 7 This is a schematic diagram of the corrective component of the present invention;

[0035] Figure 8 This is a schematic diagram of the structure of the first transfer component of the present invention;

[0036] Figure 9 This is a schematic diagram of the structure of the second transfer component of the present invention;

[0037] Figure 10 This is a schematic diagram of the structure of the film retrieval and recovery component and the second camera of the present invention;

[0038] Figure 11 This is a schematic diagram of the structure of the wafer retrieval and recycling component of the present invention;

[0039] Figure 12 This is a schematic diagram of the structure of the laser scribing assembly of the present invention;

[0040] Figure 13 This is a schematic diagram of the structure of the first sub-conveyor line, battery box, and battery cells of the present invention.

[0041] Explanation of reference numerals in the accompanying drawings: 1. Frame; 2. First conveyor line; 21. First sub-conveyor line; 22. Second sub-conveyor line; 3. Lifting assembly; 31. First sub-lifting assembly; 32. Second sub-lifting assembly; 33. Second conveyor line; 4. First transfer assembly; 41. Fifth drive component; 42. Drive motor; 43. Suction cup; 44. Adsorption frame; 5. Alignment assembly; 51. Third drive component; 52. First synchronous pulley; 53. Synchronous belt; 54. Alignment component; 55. First bracket; 56. Second synchronous pulley; 57. Locking component; 6. 61. First camera; 7. First light source; 8. Laser scribing assembly; 9. Fourth drive unit; 10. Air blowing assembly; 11. Laser; 12. Focusing device; 13. Second support; 14. Second camera; 15. Film retrieval and recovery assembly; 16. Fourth conveyor line; 17. Second transfer assembly; 18. Robotic arm; 19. Second adsorption assembly; 10. First transfer assembly; 11. First drive unit; 11. Second drive unit; 11. Base plate; 11. Support plate; 11. Adsorption hole; 12. Second transfer assembly; 13. Third conveyor line. Detailed Implementation

[0042] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0043] Example

[0044] Reference Figures 1-13 As shown, a battery cell dicing device of the present invention includes:

[0045] The feeding mechanism includes at least two first conveyor lines 2 and a lifting assembly 3. The first conveyor lines 2 are used to convey the battery cells to be cut and the battery box. The output end of the lifting assembly 3 is connected to a second conveyor line 33 and can be docked to any of the first conveyor lines 2.

[0046] The conveying mechanism includes: a first transfer component 4, a third conveying line, a first adsorption component, a first transfer component 11, a second transfer component 12, and a first detection component. The first transfer component 11 and the second transfer component 12 are both disposed on one side of the first conveying line 2. The first adsorption component is connected to the output end of the first transfer component 4 to transfer the battery cell or battery box to be diced from the second conveying line 33 to the third conveying line. The first detection component is disposed on the output side of the third conveying line and is used to detect the battery cell to be diced. The first transfer component 11 and the second transfer component 12 can respectively transfer the battery cell or battery box to be diced on the output side of the third conveying line. The load ends of the first transfer component 11 and the second transfer component 12 can be staggered along the height direction and can respectively transfer the battery cell to be diced along the first direction.

[0047] The dicing mechanism includes: a straightening component and a laser dicing component 7. The straightening component is disposed on the input side of the third conveyor line and can straighten the battery cell to be diced along the second direction. The laser dicing component 7 is used to dice the battery cell to be diced on the first transfer component 11 or the second transfer component 12.

[0048] The feeding mechanism includes a second transfer component 10, a second detection component, and a wafer collection and recycling component 9. The second transfer component 10 is used to transfer the diced solar cells from the first transfer component 11 or the second transfer component 12 to the wafer collection and recycling component 9. The second detection component is used to detect the diced solar cells.

[0049] The frame 1, the feeding mechanism, the conveying mechanism, the dicing mechanism and the unloading mechanism are all located on the frame 1.

[0050] The present invention discloses a battery cell dicing device. A first conveyor line 2 of the feeding mechanism stores and transports battery cells and battery boxes to be diced. A lifting component 3 drives a second conveyor line 33 to move, connecting the second conveyor line 33 with the corresponding first conveyor line 2, transferring the material from the first conveyor line 2 to the second conveyor line 33. The second conveyor line 33 transports the material to the output side of the lifting component 3. A first transfer component 4 drives a first adsorption component to move above the second conveyor line 33, adsorbing qualified battery cells or battery boxes to be diced. Driven by the first transfer component 4, the material is smoothly transferred to a third conveyor line. After the material enters the third conveyor line, a alignment component is activated, adjusting the battery cells to be diced along a second direction to ensure their position. A first detection component is activated, performing initial and position detection on the battery cells to be diced, screening out unqualified cells and diverting them, while qualified battery cells continue to be transported. After alignment, the cells to be diced are conveyed to their output side via the third conveyor line. The first transfer component 11 or the second transfer component 12 is activated, moving the cells to be diced along the first direction to the dicing station. The laser dicing component 7 is activated to dice the cells moved to the dicing station. After dicing, the first transfer component 11 or the second transfer component 12 moves the diced cells to the docking position of the second transfer component 10. The second transfer component 10 is activated, transferring the diced cells to the second inspection component for secondary inspection after dicing. The second inspection component filters out qualified cells and unqualified products. Qualified cells are transferred by the second transfer component 10 to the cell collection and recycling component 9 for recycling, while unqualified products are collected and processed separately. Simultaneously, empty battery boxes are also transferred by the second transfer component 10 or the first and second transfer components to the corresponding position of the cell collection and recycling component 9, completing the entire dicing process.

[0051] At least two first conveyor lines 2 are arranged side by side along a second direction. Each first conveyor line 2 includes a first sub-conveyor line 21 and a second sub-conveyor line 22. The first sub-conveyor line 21 and the second sub-conveyor line 22 are spaced apart along the height direction. The lifting components 3 are configured as at least two and are respectively corresponding to the first conveyor lines 2. Each lifting component 3 includes a first sub-lifting component 31, a second sub-lifting component 32, and a second conveyor line 33. The second conveyor line 33 is connected to the output end of the first sub-lifting component 31. The second sub-lifting component 32 is connected to the output end of the first lifting component 31 to drive the battery box to separate from the second conveyor line 33 and dock with the first sub-conveyor line 21 or the second conveyor line 22.

[0052] The battery cells to be diced and the battery boxes are respectively placed on the first sub-conveyor line 21 and the second sub-conveyor line 22 of the first conveyor line 2. At least two first conveyor lines 2 arranged side by side along the second direction simultaneously convey the materials to the preset docking positions. The lifting components 3 corresponding to each first conveyor line 2 are started synchronously. According to the material transfer requirements, the first sub-lifting component 31 drives the second conveyor line 33 to move as a whole along the height direction, adjusting it to the height position corresponding to the first sub-conveyor line 21 or the second conveyor line 22 to be docked, completing the height positioning, so that the battery box moves onto the second conveyor line 33. The second sub-lifting component 32 is started, and its output end acts on the battery box on the second conveyor line 33, driving the battery box to move along the height direction, so that the battery box separates from the bearing surface of the second conveyor line 33, making it easy for the first transfer component 4 to pick it up. At least two lifting components 3 can operate independently and dock with the corresponding first conveyor line 2 respectively to realize the synchronous transfer of multiple sets of materials.

[0053] Multiple third conveyor lines are configured and arranged side-by-side at intervals. The alignment components are located on both sides of the third conveyor lines along the second direction. The alignment components include: a first bracket 55, a third drive member 51, a locking member 57, a straightening member 54, a first synchronous pulley 52, a second synchronous pulley 56, and a synchronous belt 53. The first synchronous pulley 52 and the second synchronous pulley 56 are rotatably connected to both ends of the first bracket 55 along the second direction. The output end of the third drive member 51 is connected to the first synchronous pulley 52. ​​The two ends of the synchronous belt 53 are respectively sleeved on the first synchronous pulley 52 and the second synchronous pulley 56. The locking members 57 are connected to both sides of the synchronous belt 53 along the first direction. The straightening member 54 is connected to the locking member 57 and is located on both sides of the third conveyor line.

[0054] When the solar cell to be diced is transferred from the second conveyor line 33 to the third conveyor line near the alignment component 5 via the first adsorption assembly, the third conveyor line starts, conveying the solar cell to be diced towards the alignment component. When the solar cell moves between the alignment components 54 of the alignment component, the third conveyor line pauses, and the alignment component starts. The third drive unit 51 starts, driving the first synchronous pulley 52 to rotate. The first synchronous pulley 52 drives the synchronous belt 53 to move along the second direction. Since the locking components 57 and the alignment components 54 on both sides of the synchronous belt 53 are symmetrically arranged, under the drive of the synchronous belt 53, the alignment components 54 on both sides will move synchronously towards each other along the second direction. The alignment components 54 on both sides synchronously push the two edges of the solar cell to be diced, adjusting the solar cell to be diced until the center line of the solar cell to be diced coincides with the center line of the third conveyor line, thus achieving the alignment of the solar cell. After alignment, the third drive component 51 reverses, driving the first synchronous pulley 52 to rotate in the opposite direction, which in turn drives the synchronous belt 53 to move in the opposite direction. The aligning components 54 on both sides move synchronously with the synchronous belt 53 in a direction away from each other, returning to their initial positions to avoid affecting the subsequent transport of the solar cells. The aligned solar cells to be diced are then transported to the output side by the third conveyor line and transferred to the first transfer assembly 11 or the second transfer assembly 12 for the subsequent dicing process.

[0055] The first transfer assembly 11 includes: a first drive member 111, a second drive member 112, a base plate 113, and a support plate 114. The second drive member 112 is connected to the output end of the first drive member 111 to be driven along a first direction. The base plate 113 is connected to the output end of the second drive member 112 to be driven along a height direction. The support plates 114 are configured in multiples and arranged side by side at intervals.

[0056] When the third conveyor line delivers the aligned solar cells to the output side, the first transfer assembly 11 is activated. The first drive unit 111 activates, driving the second drive unit 112, the base plate 113, and the support plate 114 to move along the first direction to a preset position on the output side of the third conveyor line. The second drive unit 112 drives the base plate 113 and the support plate 114 to move along the height direction, adjusting the position of the support plate 114 so that it is interspersed among multiple third conveyor lines, and the top of the support plate 114 rises from a state flush with the conveying surface of the third conveyor line, ensuring that the solar cells to be diced can be smoothly transferred onto the support plate 114. After the solar cells to be diced are transferred onto the support plate 114, the first drive unit 111 activates, driving the entire transfer assembly to move along the first direction, transferring the solar cells to be diced to the dicing station. After being transferred to the dicing station, dicing is performed. After dicing, the first driving component 111 drives the entire transfer assembly to move along the first direction to the docking position of the second transfer assembly 10. The second driving component 112 drives the base plate 113 and the support plate 114 to move along the height direction, adjusting them to a precise docking position with the second transfer assembly 10, so that the second transfer assembly 10 can transfer the diced battery cells to the subsequent testing and recycling stages. The structure of the second transfer assembly 12 is the same as that of the first transfer assembly 11 and is symmetrically arranged. The first driving components 111 in the first transfer assembly 11 and the second transfer assembly 12 are symmetrically arranged at intervals along the second direction.

[0057] The first detection component is located at the third conveyor line and on the output side of the correction component 5. The first detection component includes a first light source 61 and a first camera 6, which are respectively located on both sides of the third conveyor line along the height direction.

[0058] After being aligned and adjusted by the alignment component, the solar cells to be diced continue to be conveyed by the third conveyor line. When the solar cell moves to the detection position of the first detection component, the third conveyor line pauses to ensure the stability of the detection process. The first light source 61 is activated, emitting uniform and soft light that fully illuminates the surface or outline of the solar cell to be diced. The light penetrates the solar cell or is reflected to the first camera 6. The first camera 6 is activated, quickly capturing image information of the surface of the solar cell to be diced and transmitting the acquired image information to the control system of the device in real time. The image processing module of the control system performs noise reduction, enhancement, and other processing on the image information to remove interference information, highlight defect features, and compares the processed image information with the preset qualified solar cell image parameters to determine whether the position of the solar cell to be diced is regular and whether there are defects such as damage, stains, scratches, or dimensional deviations.

[0059] If the test result is qualified, the control system issues a command to resume the third conveyor line, continuing to transport the qualified cells to be diced to the output side of the third conveyor line. There, they are transferred by the first transfer component 11 or the second transfer component 12 to the dicing station for subsequent dicing processes. If the test result is unqualified, the control system issues a command to mark the unqualified cell. This achieves continuous online testing of the cells to be diced.

[0060] The laser scribing assembly 7 includes: a second bracket 75, a fourth driving member 71, a focuser 74, a laser 73, an air blowing assembly 72, and a second light source. The fourth driving member 71 is disposed on the second bracket 75 and is used to drive the focuser 74 and the laser 73 to move along a second direction. The axes of the focuser 74 and the laser 73 intersect the cell to be scribed, and their projections along the height direction do not coincide with the projections of the third conveyor line along the height direction. The output side of the air blowing assembly 72 faces the cell to be scribed, and the second light source is disposed on one side of the cell to be scribed.

[0061] After the first transfer component 11 or the second transfer component 12 transfers the battery cell to be scribed to the scribe station, the position of the battery cell to be scribed is adjusted so that it is aligned with the scribe area of ​​the laser scribe component 7. The laser scribe component 7 is activated, and the second light source is activated, emitting soft directional light to provide auxiliary illumination for the scribe process, clearly illuminating the scribe position of the battery cell to be scribed. The fourth drive component 71 is activated, driving the focuser 74 and the laser 73 to move along the second direction and adjust to the preset scribe position to adapt to the specifications and scribe requirements of the battery cell to be scribed. The focuser 74 is activated and begins focusing, precisely focusing the laser beam emitted by the laser 73 onto the preset scribe position of the battery cell to be scribed, ensuring accurate focusing.

[0062] After focusing, laser 73 emits a laser beam to scribble the cells to be scribed. Simultaneously, the air blowing assembly 72 activates, continuously blowing out clean gas to promptly remove debris generated during the scribing process, preventing debris from adhering to the cell surface or cut edges, and reducing heat generated during scribing. During scribing, the fourth drive unit 71 drives the focuser 74 and laser 73 to move slowly along the second direction according to a preset scribing trajectory, achieving continuous scribing of the cells and ensuring smooth and precise cuts. After scribing is completed, laser 73, focuser 74, air blowing assembly 72, and the second light source are sequentially shut down. The fourth drive unit 71 drives the focuser 74 and laser 73 back to their initial positions, awaiting the scribing operation of the next set of cells to be scribed.

[0063] This embodiment also discloses a dicing method, which uses the above-described battery cell dicing device to dice battery cells, and includes the following steps:

[0064] S1: Provide multiple sets of diced solar cells on at least two layers of first conveyor lines 2, and connect the second conveyor line 33 to any of the first conveyor lines 2 to transport the diced solar cells.

[0065] S2: The cell to be diced is transferred from the second conveyor line 33 to the input side of the third conveyor line, the cell to be diced is shaped along the second direction, and the dicing operator is located in the output direction of the third conveyor line;

[0066] S3: The battery cell to be diced is detected at the output side of the third conveyor line and transferred to the first transfer component 11. The battery cell to be diced is transferred to the dicing station through the first transfer component 11. The battery cell to be diced on the first transfer component 11 is diced at the dicing station. At the same time, the next battery cell to be diced is taken from the output side of the third conveyor line by the second transfer component 12. The diced battery cell is transported to the input end of the second transfer component 10 by the first transfer component 11.

[0067] S4: The cell to be diced is detected at the output side of the third conveyor line and transferred to the second transfer component 12. The cell to be diced is transferred to the dicing station by the second transfer component 12. The cell to be diced on the second transfer component 12 is diced at the dicing station. At the same time, the next cell to be diced is taken from the output side of the third conveyor line by the first transfer component 11. The diced cell is transported to the input end of the second transfer component 10 by the second transfer component 12.

[0068] S5: Repeat steps S3 and S4 until each cell is diced and a cell collection and recycling station is provided. The diced cells are transferred to the cell collection and recycling station using the second transfer component 10.

[0069] Step S1 involves providing multiple sets of diced solar cells on at least two layers of first conveyor lines 2, and connecting a second conveyor line 33 to any of the first conveyor lines 2 to transport the diced solar cells. First, the operator neatly places multiple sets of diced solar cells on at least two layers of first conveyor lines 2. The diced solar cells can be placed inside a battery box, which is then placed on the first conveyor line 2, ensuring the diced solar cells are placed stably to prevent tilting or slippage. Based on material supply requirements, the position of the lifting component 3 is adjusted, driving the second conveyor line 33 to move vertically, achieving precise docking between the second conveyor line 33 and any of the first conveyor lines 2. After docking, the first conveyor line 2 starts, smoothly transporting the diced solar cells and battery boxes to the second conveyor line 33, providing a stable material source for subsequent steps. If at least two first conveyor lines 2 are arranged side by side along the second direction, and each first conveyor line 2 includes a double-layer sub-conveyor line, multiple sets of cells to be diced can be placed on different first conveyor lines 2 and different sub-conveyor lines respectively, so as to realize parallel supply of materials, improve material supply efficiency, and ensure continuous operation of subsequent steps.

[0070] Step S2: The cells to be diced are transferred from the second conveyor line 33 to the input side of the third conveyor line. The cells are aligned along the second direction, providing a dicing operator with a position in the output direction of the third conveyor line. After the second conveyor line 33 transports the cells to be diced to the preset transfer position, the first transfer component 4 is activated, driving the first adsorption component to move above the second conveyor line 33. The first adsorption component adsorbs the cells to be diced or the battery box containing the cells. Driven by the first transfer component 4, the cells to be diced are smoothly transferred to the input side of the third conveyor line, ensuring a smooth material transfer process and avoiding damage to the cells. After the cells to be diced enter the input side of the third conveyor line, the alignment component is activated, aligning and adjusting the cells along the second direction. The alignment component's alignment element 54 simultaneously pushes both sides of the cells, ensuring accurate positioning of the cells to be diced and aligning the centerline of the cells with the centerline of the third conveyor line, providing a precise positional basis for subsequent testing and dicing processes. Meanwhile, a dicing station is preset in the output direction of the third conveyor line. The dicing station is adapted to the positions of the first transfer component 11, the second transfer component 12 and the laser dicing component 7, so as to ensure that the battery cells to be diced can be accurately transferred to the dicing station, and the laser dicing component 7 can accurately dice the battery cells on the dicing station.

[0071] In step S3, the cells to be diced are detected at the output side of the third conveyor line and transferred to the first transfer component 11. The first transfer component 11 then transfers the cells to be diced to the dicing station. At the dicing station, the cells on the first transfer component 11 are diced. Simultaneously, the second transfer component 12 retrieves the next cell to be diced from the output side of the third conveyor line. The first transfer component 11 then transports the diced cells to the input end of the second transfer component 10. After the third conveyor line transports the corrected cells to the output side, the first detection component starts to perform initial detection on the cells to be diced, separating qualified cells from unqualified products. Unqualified products are diverted to a dedicated collection area, while qualified cells remain at the output side of the third conveyor line. The first transfer component 11 continues to operate, moving to the docking position at the output side of the third conveyor line, and transferring the qualified cells to its own support plate 114, completing the material transfer. The first transfer component 11 is activated, and moves the battery cell to be scribed along the first direction to the preset scribe station, adjusting the position of the battery cell to be scribed so that it is precisely aligned with the scribe position of the laser scribe component 7.

[0072] The laser scribing assembly 7 is activated to precisely scribble the battery cells on the first transfer assembly 11. During the scribing process, the air blowing assembly 72 continuously blows out cleaning gas to remove scribing debris, and the second light source provides auxiliary illumination to ensure scribing accuracy. While the laser scribing assembly 7 is scribing the battery cells on the first transfer assembly 11, the second transfer assembly 12 is activated and moves to the output side of the third conveyor line. At this time, the third conveyor line has already transported the next set of aligned and inspected battery cells to the output side. The second transfer assembly 12 transfers this set of battery cells to its own support plate 114, completing the retrieval of the next set of battery cells to be scribed, achieving a continuous supply of battery cells to be scribed and improving work efficiency. After the battery cells on the first transfer assembly 11 are scribed, the first transfer assembly 11 is activated, transporting the scribed battery cells along the first direction to the input end of the second transfer assembly 10, awaiting subsequent secondary inspection and recycling, while simultaneously making room for the scribing of the next set of battery cells.

[0073] Step S4: The cells to be diced are inspected at the output side of the third conveyor line and transferred to the second transfer assembly 12. The second transfer assembly 12 transfers the cells to be diced to the dicing station. At the dicing station, the cells on the second transfer assembly 12 are diced. Simultaneously, the first transfer assembly 11 picks up the next cell to be diced from the output side of the third conveyor line. The second transfer assembly 12 then transports the diced cells to the input end of the second transfer assembly 10. After transporting the diced cells to the input end of the second transfer assembly 10, the first transfer assembly 11 returns to its initial position, ready to pick up the next set of cells to be diced. The third conveyor line continues to transport the next set of aligned and inspected cells to the output side. The first inspection assembly inspects again and selects qualified products. The second transfer assembly 12 transports the diced cells to the input end of the second transfer assembly 10, moves to the docking position on the output side of the third conveyor line, and transfers the cells to be diced onto its own support plate 114. The support plate 114 has an adsorption hole 115 to provide negative pressure adsorption force. The second transfer component 12 is started and moves the battery cell to be diced to the dicing station along the first direction. After the position is adjusted, the laser dicing component 7 is started to accurately dice the battery cell to be diced on the second transfer component 12.

[0074] While the laser scribing assembly 7 scribes the solar cells on the second transfer assembly 12, the first transfer assembly 11 starts and moves to the output side of the third conveyor line to pick up the next set of aligned and qualified solar cells to be scribed from the third conveyor line, thus completing the retrieval of the next solar cell to be scribed. After the solar cells on the second transfer assembly 12 are scribed, the second transfer assembly 12 starts and transports the scribed solar cells to the input end of the second transfer assembly 10 for further processing.

[0075] Step S5: Repeat steps three and four until each battery cell is diced and a cell collection / recycling station is provided. The second transfer component 10 transfers the diced cells to the collection / recycling station. Start the cyclic operation mode, repeating steps three and four. The first transfer component 11 and the second transfer component 12 alternately pick up the cells to be diced, transfer them to the dicing station, and then transfer them to the input end of the second transfer component 10 after dicing. The laser dicing component 7 continuously performs the dicing operation, the third conveyor line continuously transports the cells to be diced, and the first detection component continuously performs initial detection, achieving continuous dicing of multiple groups of cells, significantly improving overall operation efficiency and avoiding downtime in any single stage. Simultaneously, a cell collection / recycling station is provided on the output side of the second transfer component 10. This station is used to carry and recycle qualified diced cells, unqualified diced products, and empty battery boxes, achieving material classification, recycling, and management. The second transfer component 10 is activated, transferring the diced solar cells conveyed to the input end by the first transfer component 11 and the second transfer component 12 to the second detection component for secondary detection, screening out qualified diced solar cells and unqualified diced products. Qualified solar cells are transferred by the second transfer component 10 to the corresponding position in the cell collection and recycling station for recycling, facilitating subsequent storage, transfer, and secondary processing; unqualified diced products are diverted to a dedicated collection area for centralized processing to avoid mixing with qualified products.

[0076] The first transfer component 4 transfers the cells to be diced from the second conveyor line 33 to the input side of the third conveyor line. The first transfer component 4 includes a fifth drive member 41, a drive motor 42, an adsorption frame 44, and suction cups 43. The fifth drive member 41 is used to drive along a second direction. The drive motor 42 is connected to the output end of the fifth drive member 41. The adsorption frame 44 is connected to the output end of the drive motor 42. The length of the adsorption frame 44 is greater than the width of at least two first conveyor lines 2. Multiple suction cups 43 are respectively arranged on both sides of the adsorption frame 44 along the length direction. The adsorption frame 44 is rotated so that its two ends correspond to one of the second conveyor lines 33. The adsorption cups 43 adsorb the cells on the second conveyor line 33. The cells are then transferred to the input side of the third conveyor line by rotating the adsorption frame 44 in the opposite direction.

[0077] In steps S3 and S4, the first transfer component 11 and the second transfer component 12 can both be transferred along the first direction to move the battery cell between the output end of the third conveyor line and the second transfer component 10, the dicing station, and the output end of the second transfer component 10, and the load ends of the first transfer component 11 and the second transfer component 12 can be moved along the height direction to avoid each other.

[0078] After the second conveyor line 33 transports the battery cell or battery box to be diced to the preset transfer position, the first transfer component 4 is activated and the material transfer is completed according to the above-mentioned action process: the fifth drive component 41 adjusts the position of the adsorption frame 44 along the second direction, the drive motor 42 drives the adsorption frame 44 to rotate to the two ends corresponding to the second conveyor line 33, after the suction cup 43 adsorbs the material, the drive motor 42 rotates in the opposite direction to make the adsorption frame 44 turn to the input side of the third conveyor line, and after the position is finely adjusted, the material is released, and the transfer of the battery cell to be diced from the second conveyor line 33 to the input side of the third conveyor line is completed. During the transfer process, the length design of the adsorption rack 44 and the distribution of the suction cups 43 on both sides ensure the stability of adsorption and the accuracy of material transfer. The rotation of the drive motor 42 enables the rapid transfer of materials. The angle is corrected by the subsequent correction component 5. At the same time, the lateral drive function of the fifth drive component 41 enables the adsorption rack 44 to switch quickly between multiple second conveyor lines 33, adapting to the parallel operation requirements of multiple first conveyor lines 2 and multiple second conveyor lines 33, ensuring that multiple groups of materials can be transferred synchronously, and further improving the continuity of operation.

[0079] Step S5 further includes: providing an inspection station, which is equipped with two fourth conveyor lines 91 that can move closer to or further away from each other. The two fourth conveyor lines 91 are used to carry the two half-cells of the battery after dicing, respectively. It also includes a cell retrieval station, where the second transfer component 10 can synchronously transfer the two half-cells of the battery to the cell retrieval station. The second transfer component 10 is configured as at least a rotatable and liftable robotic arm 101. A second camera 8 is provided at the fourth conveyor line 91. The two fourth conveyor lines 91 are controlled to move further away from each other in a second direction, causing the two half-cells of the battery to move away synchronously, so that the diced area of ​​the two half-cells is fully exposed. The second camera 8 at the fourth conveyor line 91 is activated to clearly capture detailed images of the diced area and transmit them to the control system. The second camera 8 detects minor defects at the diced area, such as half-cell size, overall damage, etc., including whether the diced cut is flat, whether the half-cell size meets the requirements, and whether there are defects such as breakage, chipping, and burrs caused after dicing.

[0080] The first transfer component 11 or the second transfer component 12 transfers the two half-cells after dicing to the input end of the second transfer component 10. The second transfer component 10 starts and transfers the two half-cells to the two fourth conveyor lines 91 at the inspection station. At this time, the two fourth conveyor lines 91 adjust the spacing according to the size of the half-cells and carry the two half-cells respectively. Then the second inspection component inspects the two half-cells respectively, focusing on whether the dicing cut is flat, whether the half-cell size meets the requirements, and whether there are defects such as breakage or chipping caused after dicing. Qualified half-cells and unqualified half-cells are selected.

[0081] After the inspection is completed, the two fourth conveyor lines 91 move closer and align with each other. The second transfer component 10 moves above the inspection station, and its two adsorption components adsorb two qualified half-cells respectively. At the same time, the second transfer component 10 can adsorb an empty battery box from its input end. The empty battery box is first transferred to the empty battery box storage area or half-cell battery box storage area of ​​the cell collection and recycling station. The position of the empty battery box is adjusted so that it can hold two half-cells. Then, the second transfer component 10 synchronously transfers the two adsorbed half-cells into the empty battery box, completing the storage of the half-cells.

[0082] Furthermore, during the interval between transferring half-cell batteries, the second transfer component 10 can receive empty battery boxes from the output side of the first transfer component 11, the second transfer component 12, or the third conveyor line, and simultaneously transfer them to the empty battery box recycling area of ​​the cell collection and recycling station, achieving continuous recycling of empty battery boxes. Throughout the process, the two fourth conveyor lines 91 at the inspection station separate and inspect the half-cell batteries, the cell collection and recycling station classifies and recycles the materials, and the second transfer component 10 synchronously transfers the empty battery boxes and half-cell batteries. These three components work together to form a complete post-dicing material inspection and recycling process. To accommodate the positions of the two fourth conveyor lines 91, the second transfer component 10 is equipped with two adjustable-spacing second adsorption components 102. In this embodiment, the spacing adjustment methods between the second adsorption components 102 and the fourth conveyor lines 91 include, but are not limited to, bidirectional screw drive, two symmetrically arranged cylinder drives, and clamping cylinder drives, and can be adaptively selected according to accuracy requirements.

[0083] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A battery cell dicing device, characterized in that, include: The feeding mechanism includes at least two first conveyor lines and a lifting assembly. The first conveyor lines are used to convey the battery cells to be cut and the battery box. The output end of the lifting assembly is connected to the second conveyor line and can be docked to any of the first conveyor lines. A conveying mechanism includes: a first transfer component, a third conveying line, a first adsorption component, a first transfer component, a second transfer component, and a first detection component. The first transfer component and the second transfer component are both disposed on one side of the first conveying line. The first adsorption component is connected to the output end of the first transfer component to transfer the battery cell or battery box to be diced from the second conveying line to the third conveying line. The first detection component is disposed on the output side of the third conveying line and is used to detect the battery cell to be diced. The first transfer component and the second transfer component can respectively transfer the battery cell or battery box to be diced on the output side of the third conveying line. The load ends of the first transfer component and the second transfer component can be staggered along the height direction and can respectively transfer the battery cell to be diced along a first direction. A dicing mechanism includes: a straightening component and a laser dicing component. The straightening component is disposed on the input side of the third conveyor line and is capable of straightening the battery cell to be diced along the second direction. The laser dicing component is used to dice the battery cell to be diced on the first transfer component or the second transfer component. The feeding mechanism includes a second transfer component, a second detection component, and a wafer collection and recycling component. The second transfer component is used to transfer the diced solar cells from the first transfer component or the second transfer component to the wafer collection and recycling component. The second detection component is used to detect the diced solar cells.

2. The battery cell dicing device according to claim 1, characterized in that: At least two first conveyor lines are arranged side by side along a second direction. Each first conveyor line includes a first sub-conveyor line and a second sub-conveyor line. The first sub-conveyor line and the second sub-conveyor line are spaced apart along the height direction. The lifting components are configured as at least two and are respectively corresponding to the first conveyor lines. Each lifting component includes a first sub-lifting component, a second sub-lifting component, and a second conveyor line. The second conveyor line is connected to the output end of the first sub-lifting component. The second sub-lifting component is connected to the output end of the first lifting component to drive the battery box to separate from the second conveyor line and dock with the first sub-conveyor line or the second sub-conveyor line.

3. The battery cell dicing device according to claim 1, characterized in that: Multiple third conveyor lines are configured and arranged side-by-side at intervals. The alignment components are located on both sides of the third conveyor lines along the second direction. The alignment components include: a first bracket, a third drive component, a locking component, a straightening component, a first synchronous pulley, a second synchronous pulley, and a synchronous belt. The first and second synchronous pulleys are rotatably connected to both ends of the first bracket along the second direction. The output end of the third drive component is connected to the first synchronous pulley. The two ends of the synchronous belt are respectively sleeved on the first and second synchronous pulleys. Locking components are connected to both sides of the synchronous belt along the first direction. The straightening components are connected to the locking components and located on both sides of the third conveyor line.

4. The battery cell dicing device according to claim 1, characterized in that: The first transfer assembly includes: a first drive member, a second drive member, a base plate, and a support plate. The second drive member is connected to the output end of the first drive member to be driven along a first direction. The base plate is connected to the output end of the second drive member to be driven along a height direction. The support plates are configured in multiples and arranged side by side at intervals.

5. A cell dicing device according to claim 1, characterized in that: The first detection component is located at the third conveyor line and on the output side of the correction component. The first detection component includes a first light source and a first camera, which are respectively located on both sides of the third conveyor line along the height direction.

6. The battery cell dicing device according to claim 1, characterized in that: The laser scribing assembly includes: a second bracket, a fourth driving component, a focuser, a laser, an air blowing component, and a second light source. The fourth driving component is disposed on the second bracket and is used to drive the focuser and the laser to move along a second direction. The axes of the focuser and the laser intersect the cell to be scribed, and their projections along the height direction do not coincide with the projections of the third conveyor line along the height direction. The output side of the air blowing component faces the cell to be scribed, and the second light source is disposed on one side of the cell to be scribed.

7. A dicing method, characterized in that, The method of dicing a battery cell using a dicing apparatus as described in any one of claims 1-6 includes the following steps: S1: Provide multiple sets of diced solar cells on at least two layers of first conveyor lines, and connect the second conveyor line to any of the first conveyor lines to transport the diced solar cells. S2: The cell to be diced is transferred from the second conveyor line to the input side of the third conveyor line, the cell to be diced is shaped along the second direction, and the dicing operator is located in the output direction of the third conveyor line; S3: The cell to be diced is detected at the output side of the third conveyor line and transferred to the first transfer component. The cell to be diced is transferred to the dicing station by the first transfer component. At the dicing station, the cell to be diced on the first transfer component is diced. At the same time, the next cell to be diced is picked up from the output side of the third conveyor line by the second transfer component. The diced cell is then transported to the input end of the second transfer component by the first transfer component. S4: The cell to be diced is detected at the output side of the third conveyor line and transferred to the second transfer component. The cell to be diced is transferred to the dicing station by the second transfer component. At the dicing station, the cell to be diced on the second transfer component is diced. At the same time, the next cell to be diced is taken from the output side of the third conveyor line by the first transfer component. The diced cell is then transported to the input end of the second transfer component by the second transfer component. S5: Repeat steps S3 and S4 until each cell is diced and a cell collection and recycling station is provided. The diced cells are then transferred to the cell collection and recycling station using the second transfer component.

8. The dicing method according to claim 7, characterized in that: In step S2, the battery cells to be diced are transferred from the second conveyor line to the input side of the third conveyor line by the first transfer component. The first transfer component includes: a fifth driving member, a drive motor, an adsorption frame, and suction cups. The fifth driving member is used to drive along a second direction. The drive motor is connected to the output end of the fifth driving member. The adsorption frame is connected to the output end of the drive motor. The length of the adsorption frame is greater than the width of at least two first conveyor lines. Multiple suction cups are respectively provided on both sides of the adsorption frame along the length direction. The adsorption frame is rotated so that both ends correspond to one of the second conveyor lines. The battery cells or battery boxes on the second conveyor line are adsorbed by the suction cups. The battery cells or battery boxes are transferred to the input side of the third conveyor line by rotating the adsorption frame in the opposite direction.

9. The dicing method according to claim 8, characterized in that: In steps S3 and S4, both the first transfer component and the second transfer component can be transferred along the first direction to move the battery cells between the output end of the third conveyor line and the second transfer component, the dicing station, and the output end of the second transfer component. The load ends of the first transfer component and the second transfer component can be moved along the height direction to avoid each other. The first transfer component and the second transfer component can also be used to transfer empty battery boxes from the output side of the third conveyor line to the input end of the second transfer component.

10. The dicing method according to claim 9, characterized in that: Step S5 further includes: providing a testing station, wherein the testing station is provided with two fourth conveyor lines that can be aligned or moved away from each other, the two fourth conveyor lines being used to carry two half-cells of the battery after dicing, and also includes a cell collection and recycling station, wherein the second transfer component is capable of transferring an empty battery box to the cell collection and recycling station, and simultaneously transferring the two half-cells of the battery to the empty battery box at the cell collection and recycling station.

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