A battery piece feeding device and a feeding method

Abstract

The application provides a battery piece feeding device and a feeding method. The device comprises a stock bin mechanism, a transplanting mechanism, a plurality of top feeding mechanisms arranged along an X-axis direction, a plurality of suction mechanisms arranged along the X-axis direction and corresponding to the top feeding mechanisms one by one, and a linear stock bin conveying mechanism arranged along the X-axis direction. The top feeding mechanism comprises a mounting seat, a first belt line arranged on the mounting seat along a Y-axis direction, a top feeding assembly arranged on the mounting seat, and air blowing and distributing assemblies arranged on both sides of the mounting seat. The mounting seat is provided with a clearance hole for avoiding the top feeding assembly. The stock bin mechanism, the transplanting mechanism, the linear stock bin conveying mechanism, the top feeding mechanism and the suction mechanism are cooperated with each other. The full stock bin is automatically distributed to each top feeding station after being transferred to the linear stock bin conveying mechanism through the transplanting mechanism. The empty stock bin is returned to the stock bin mechanism along the original path for recycling after taking the stock. The whole process does not need manual intervention, and the feeding efficiency and the automation degree are effectively improved.

Description

Technical Field

[0001] This invention relates to the field of solar cells, specifically to a solar cell feeding device and feeding method. Background Technology

[0002] Solar cells are the core component of photovoltaic modules. They are typically only 160-200μm thick, making them brittle and easily broken. Therefore, the precision and stability requirements for material handling and conveying during production are extremely high. Currently, in the stringing and stacking processes of photovoltaic modules, the stacked solar cells in the hopper need to be individually removed and transported to the processing station. This process is usually completed by automated feeding equipment.

[0003] In existing equipment, most hoppers are fixed at the material handling station. When the cells in the hopper are depleted, the empty hopper must be manually moved and replaced with a full one. This process is time-consuming and requires downtime, making it difficult to meet continuous production needs. Although some equipment has conveyor lines, they are mostly unidirectional, only able to supply full hoppers and unable to automatically return empty hoppers for recycling. This results in empty hoppers accumulating at the material handling end, requiring regular manual cleaning, which severely restricts the automation level and production efficiency of the equipment.

[0004] Furthermore, most existing material handling methods involve directly adsorbing and removing the top layer of solar cells from above the hopper using suction cups. During the material handling process, due to the smooth surface of the solar cells and the negative pressure adsorption between the layers due to factors such as static electricity, gravity, or air pressure when stacked, the suction cups can easily pick up the lower layers of solar cells at the same time when picking up the top layer, causing multiple cells to stick together during material handling. This can lead to problems such as material jamming, fragmentation, or poor welding in subsequent processes, seriously affecting production efficiency and product yield.

[0005] Therefore, it is necessary to provide a battery cell feeding device and feeding method. Summary of the Invention

[0006] The present invention provides a battery cell feeding device and feeding method, which effectively solves the problems of low feeding efficiency and easy stacking of existing battery cell silos.

[0007] The technical solution adopted in this invention is: a battery cell feeding device, including a hopper mechanism, a transfer mechanism, a plurality of top feeding mechanisms arranged along the X-axis, a plurality of suction mechanisms arranged along the X-axis and corresponding one-to-one with the top feeding mechanisms, and a linear conveying hopper mechanism arranged along the X-axis. The top feeding mechanism includes a mounting base, a first belt line arranged along the Y-axis on the mounting base, a top feeding assembly arranged on the mounting base, and air blowing and distributing assemblies arranged on both sides of the mounting base. The mounting base is provided with clearance holes for the top feeding assembly to avoid being positioned.

[0008] Furthermore, the air blowing and dispensing assembly includes a first air blowing assembly fixedly mounted on the mounting base, a first cylinder vertically mounted on the mounting base, a first lifting plate mounted at the output end of the first cylinder, and several second air blowing assemblies mounted on the first lifting plate. The first air blowing assembly and the second air blowing assembly are respectively used to blow air onto different sides of the product from the same horizontal height.

[0009] Furthermore, the No. 1 air blowing assembly and the No. 2 air blowing assembly have the same structure. The No. 1 air blowing assembly includes a No. 1 block and a No. 2 block, which form a cavity. The cavity is provided with a vertical air outlet. The air outlet has a rectangular cross-section. The airflow from the air outlet blows from the side of the stacked battery cells, causing the upper battery cell to lift upward relative to the lower battery cell.

[0010] Furthermore, the top material assembly includes a second linear module vertically mounted on the mounting base and a lifting column mounted at the output end of the second linear module. The lifting column can pass through the clearance hole and abut against the lower end face of the hopper.

[0011] Furthermore, the hopper mechanism includes several full-load feeding lines arranged along the Y-axis and several empty-load return lines arranged along the Y-axis, with the full-load feeding lines and empty-load return lines corresponding one-to-one along the top and bottom.

[0012] Furthermore, the transplanting mechanism includes a base plate, a linear guide rail on the base plate along the Y-axis, a slide block slidably mounted on the linear guide rail, a drive unit on the base plate for driving the slide block to slide along the linear guide rail, a linear module on the slide block along the Z-axis, a plate at the output end of the linear module, and a connecting transmission line on the plate. The linear module drives the plate to switch between a full-load feeding line and an empty-load return line.

[0013] Furthermore, the linear conveying hopper mechanism includes a second base plate, a second linear guide rail disposed on the second base plate along the X-axis, a second slide block slidably disposed on the second linear guide rail, a second driving component disposed on the second base plate for driving the second slide block to slide along the second linear guide rail, a second connecting line A disposed on the second slide block along the X-axis, a second lifting assembly disposed on the second slide block, and a second connecting line B disposed on the second lifting assembly along the Y-axis. The second connecting line B is used to convey the hopper in the second connecting line A to the first belt conveyor. Both the second connecting line A and the second connecting line B are double belt conveyors. The second connecting line B includes a first conveying section located inside the second connecting line A and a second conveying section located outside the second connecting line A.

[0014] Furthermore, the material suction mechanism includes a No. 3 mounting plate, a No. 3 linear module mounted on the No. 3 mounting plate along the Y-axis, a No. 3 frame mounted on the output end of the No. 3 linear module, a No. 3 cylinder mounted vertically on the No. 3 frame, a No. 3 connecting plate mounted on the output end of the No. 3 cylinder, and a No. 3 material suction assembly mounted on the No. 3 connecting plate.

[0015] Furthermore, the third suction assembly includes a connecting frame fixedly connected to the lower end of the third connecting plate, and two suction plates symmetrically arranged on both sides of the connecting frame. Each suction plate includes a plate body hinged to the connecting frame and a first bolt for fixing the plate body and the suction plate. The connecting frame is provided with an arc-shaped hole and a scale corresponding to the arc-shaped hole. The lower end face of the plate body is provided with an air inlet. The plate body is provided with a first screw hole that mates with the arc-shaped hole. The threaded end of the first bolt passes through the arc-shaped hole and is threadedly connected to the first screw hole to fix the suction plate and the connecting frame.

[0016] The battery cell feeding method, using the aforementioned battery cell feeding device, includes the following steps: S1, providing a full-fill hopper through a hopper mechanism; S2, transferring the full-fill hopper from the hopper mechanism to a linear conveyor hopper mechanism through a transfer mechanism; S3, conveying the full-fill hopper along the X-axis direction to the corresponding top-feeding mechanism through the linear conveyor hopper mechanism; S4, conveying the hopper along the Y-axis direction to a predetermined position on the mounting base via a first belt conveyor, so that the hopper is limited by the mounting base; S5, lifting the bottom layer of battery cells upwards from the bottom surface of the hopper through the top-feeding component passing through the clearance hole on the mounting base, thereby lifting the stacked battery cells in the hopper upwards as a whole. S6. Blow air onto the cells from the side using the air-blowing and distributing assembly until the top layer of cells reaches the working height of the air-blowing and distributing assembly, causing the edges between the top layer of cells and the adjacent lower layer of cells to warp and eliminate negative pressure; S7. Use the suction mechanism to pick up and remove the top layer of cells; S8. Repeat steps five to seven until all cells in the hopper are removed; S9. Use the No. 1 belt conveyor to transport the empty hopper along the Y-axis to the linear conveyor hopper mechanism; S10. Use the linear conveyor hopper mechanism to transport the empty hopper along the X-axis to the transfer mechanism; S11. Use the transfer mechanism to transport the empty hopper to the hopper mechanism for recycling.

[0017] Beneficial effects of the invention: 1. Through the coordinated operation of the hopper mechanism, transfer mechanism, linear conveying hopper mechanism, top material mechanism and suction mechanism, the full hopper is transferred to the linear conveying hopper mechanism by the transfer mechanism and then automatically delivered to each top material station. The empty hopper that has been depleted flows back to the hopper mechanism along the original path for recycling, forming a complete closed loop process of "supplying → conveying → lifting → depleting → empty hopper return". The whole process does not require manual intervention, which effectively improves the feeding efficiency and automation level.

[0018] 2. The top-feeding assembly lifts the solar cells in the hopper upwards sequentially, ensuring that the top layer of solar cells remains at a constant picking height. The air-blowing and separating assembly uses two air-blowing components to blow air simultaneously from different sides of the product. The air outlets have a vertical rectangular cross-section design, providing wide airflow coverage and excellent cell separation, effectively breaking the negative pressure adsorption state between adjacent solar cells. Combined with the suction plates on both sides of the suction mechanism, the solar cells are adsorbed in an upturned posture, causing slight bending deformation, further forcibly separating the top layer of solar cells from the bottom layer. The triple separation mechanism works synergistically to ensure that only one solar cell is adsorbed each time, greatly improving the success rate of cell picking.

[0019] 3. Several top material mechanisms and corresponding suction mechanisms are arranged along the X-axis, the hopper mechanism is set along the Y-axis, and the linear conveyor hopper mechanism is arranged along the X-axis. The mechanisms are reasonably distributed in space and their actions do not interfere with each other. In the linear conveyor hopper mechanism, the second connecting line B adopts a double belt conveyor structure and can be connected to the second connecting line A and the first belt conveyor at different height positions through the second lifting component. The hopper moves smoothly and is accurately positioned between the conveyor lines, and the overall conveying process is stable and reliable.

[0020] 4. The suction plate in the suction mechanism is connected to the connecting frame by a hinge, and with the help of the arc hole and scale, the tilting angle of the suction plate can be precisely adjusted and intuitively quantified. The operator only needs to loosen the No. 1 bolt, rotate the suction plate to the required angle according to the scale, and then lock it to complete the adjustment. The operation is simple and quick, and it can flexibly adapt to the feeding needs of battery cells of different thicknesses and sizes, reducing the equipment changeover cost. Attached Figure Description

[0021] Figure 1 This is an overall schematic diagram of the battery cell feeding device provided in the embodiments of this application.

[0022] Figure 2 This is a schematic diagram of the top material mechanism of the battery cell feeding device provided in the embodiments of this application.

[0023] Figure 3 This is a schematic diagram of the air-blowing and distributing component of the top material mechanism of the battery cell feeding device provided in the embodiments of this application.

[0024] Figure 4 for Figure 3 An enlarged schematic diagram of region A in the middle.

[0025] Figure 5 This is a schematic diagram of the linear conveyor hopper mechanism of the battery cell feeding device provided in the embodiments of this application.

[0026] Figure 6 This is a schematic diagram of the suction mechanism of the battery cell feeding device provided in the embodiments of this application.

[0027] Figure 7 This is a schematic diagram of the third suction component of the battery cell feeding device provided in the embodiments of this application.

[0028] Figure 8 This is a schematic diagram of the transfer mechanism of the battery cell feeding device provided in an embodiment of this application.

[0029] The diagram is labeled as follows: 1. Hopper mechanism; 2. Transplanting mechanism; 3. Top material mechanism; 4. Suction mechanism; 5. Linear conveyor hopper mechanism; 31. Mounting base; 32. Belt conveyor No. 1; 33. Top material assembly; 34. Air blowing and distributing assembly; 341. Air blowing assembly No. 1; 342. Cylinder No. 1; 343. Lifting plate No. 1; 344. Air blowing assembly No. 2; 3411. Block No. 1; 3412. Block No. 2; 340. Air outlet; 331. Linear module No. 2; 332. Lifting column; 11. Full hopper feeding line; 12. Empty hopper return line; 21. Base plate No. 1; 22. Linear guide rail No. 1; 23. No. 1 24. Slide; 25. Drive unit 1; 26. Linear module 1; 27. Plate 1; 58. Connecting transmission line 1; 59. Base plate 2; 50. Linear guide rail 2; 51. Slide 2; 52. Drive unit 2; 53. Connecting line 2 A; 54. Lifting assembly 2; 55. Connecting line 2 B; 46. Mounting plate 3; 47. Linear module 3; 48. Frame 3; 49. Cylinder 3; 40. Connecting plate 3; 41. Suction assembly 3; 42. Connecting frame; 46. Suction plate; 47. Plate body; 48. Bolt 1; 49. Arc hole; 6. Process flow line. Detailed Implementation

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0031] like Figure 1 and Figure 2 As shown, the first embodiment provided in this application is a battery cell feeding device, including a hopper mechanism 1, a transfer mechanism 2, a plurality of top feeding mechanisms 3 arranged along the X-axis, a plurality of suction mechanisms 4 arranged along the X-axis and corresponding one-to-one with the top feeding mechanism 3, and a linear conveying hopper mechanism 5 arranged along the X-axis. The top feeding mechanism 3 includes a mounting base 31, a first belt 32 arranged along the Y-axis on the mounting base 31, a top feeding component 33 arranged on the mounting base 31, and air blowing and distributing components 34 arranged on both sides of the mounting base 31. The mounting base 31 is provided with a clearance hole for the top feeding component 33 to avoid being positioned.

[0032] It should be noted that the device in this application is used to place the product in the process flow line 6.

[0033] In actual use, a full hopper is provided by the hopper mechanism 1. Then, the transfer mechanism 2 transfers the full hopper from the hopper mechanism 1 to the linear conveyor hopper mechanism 5. The linear conveyor hopper mechanism 5 then conveys the hopper to the corresponding top-loading mechanism 3. After entering the top-loading mechanism 3, the first belt conveyor 32 transports the hopper to a predetermined position, where it is limited by the mounting base 31. Then, the top-loading component 33 pushes the bottommost layer of solar cells upwards from the opening on the lower end of the hopper, raising the entire hopper until the topmost layer of solar cells is at the working height of the air-blowing and distributing component 34. The air-blowing and distributing component 34 blows air onto the solar cells from the side, causing the edges of the topmost solar cell and the adjacent lower solar cell to warp, eliminating negative pressure. This prevents the suction mechanism 4 from simultaneously carrying multiple solar cells when it suctions the uppermost layer. The suction mechanism 4 then places the product on the process flow line 6. After the hopper is empty, the No. 1 belt conveyor 32 transports the empty hopper to the linear conveyor hopper mechanism 5. Then, the linear conveyor hopper mechanism 5 transports the empty hopper to the transfer mechanism 2, and the transfer mechanism 2 transports the empty hopper to the hopper mechanism 1.

[0034] In the above design, the fully automated feeding of solar cells from feeding to unloading is achieved through the coordinated operation of the hopper mechanism 1, the transfer mechanism 2, the top feeding mechanism 3, the suction mechanism 4, and the linear conveyor hopper mechanism 5. The transfer mechanism 2 transfers the full hopper from the hopper mechanism 1 to the linear conveyor hopper mechanism 5, which then conveys the hopper to the corresponding top feeding mechanism 3. The first belt conveyor 32 transports the hopper to a predetermined position and is limited by the mounting base 31. Subsequently, the top feeding component 33 lifts the bottom layer of solar cells upwards through the opening on the lower end face of the hopper, raising the entire hopper to a predetermined height. The air blowing component 34 blows air onto the solar cells from the side, causing the edges between the top layer of solar cells and the adjacent lower layer to warp and eliminate negative pressure, ensuring that the suction mechanism 4 does not simultaneously lift multiple solar cells during suction. This device has a reasonable structure, is fast and convenient for feeding, and can effectively prevent the solar cells from sticking together during the feeding process, ensuring the stability and efficiency of solar cell unloading.

[0035] Specifically: such as Figure 2 , Figure 3 and Figure 4 As shown, the air blowing and distributing assembly 34 includes a first air blowing assembly 341 fixedly mounted on the mounting base 31, a first cylinder 342 vertically mounted on the mounting base 31, a first lifting plate 343 mounted at the output end of the first cylinder 342, and a plurality of second air blowing assemblies 344 mounted on the first lifting plate 343. The first air blowing assembly 341 and the second air blowing assembly 344 are respectively used to blow air onto different sides of the product from the same horizontal height.

[0036] In actual use, before the hopper enters the top material mechanism 3, the first cylinder 342 drives the first lifting plate 343 to move the second air blowing component 344 upward to avoid obstructing the hopper. After the hopper is fixed in the top material mechanism 3, the first cylinder 342 drives the first lifting plate 343 to move the second air blowing component 344 downward to the working position, so that the first air blowing component 341 and the second air blowing component 344 blow air onto different sides of the product from the same horizontal height. Since there are two air blowing and material distribution components 34, when the two air blowing and material distribution components 34 work simultaneously, all four sides of the product can be blown by the airflow from the air blowing and material distribution components 34.

[0037] In the above design, the structure of the air blowing and material distribution component 34 can achieve layering of stacked products, with a wider air blowing coverage and better slicing effect. It can effectively improve the problem of poor air blowing effect of the air blowing device, so that the tightly adhered multi-layer battery cells can be completely separated, and prevent the uppermost battery cell from accidentally carrying away the lower battery cell at the same time when it is adsorbed.

[0038] Specifically: such as Figure 4 As shown, the first air blowing assembly 341 and the second air blowing assembly 344 have the same structure. The first air blowing assembly 341 includes a first block 3411 and a second block 3412, which form a cavity. The cavity is provided with a vertical air outlet 340. The air outlet 340 has a rectangular cross-section. The airflow from the air outlet 340 blows from the side of the stacked battery cells, causing the upper battery cell to lift relative to the lower battery cell. It should be noted that the air outlet 340 is very small, with a width of 2-3 mm, while the width of the battery cell is tens of centimeters. Therefore, blowing air through the air outlet 340 does not cause lateral movement of the battery cell.

[0039] In actual use, an external air source supplies air into the cavity formed by block 3411 and block 3412. The gas is discharged from the rectangular cross-section air outlet 340 set vertically in the cavity and blown from the side of the stacked battery cells, causing the upper battery cells to lift upward relative to the lower battery cells.

[0040] In the above design, the cross-section of the air outlet 340 adopts a rectangular design, which can form a larger airflow coverage area compared with the circular air outlet 340, so that the airflow can be blown more evenly from the side of the cell into the gap between adjacent cells. The vertically arranged air outlet 340 makes the airflow direction precise and controllable, and can effectively act on the edge position between the upper and lower cells, so that the upper cell is lifted relative to the lower cell, thereby breaking the negative pressure adsorption state between the two cells and achieving reliable cell separation.

[0041] Specifically: such as Figure 2As shown, the top material assembly 33 includes a second linear module 331 vertically mounted on the mounting base 31 and a lifting column 332 mounted at the output end of the second linear module 331. The lifting column 332 can pass through the clearance hole and abut against the lower end face of the hopper.

[0042] In actual use, the lifting column 332 is driven to move vertically by the second linear module 331. After passing through the clearance hole on the mounting base 31, the lifting column 332 abuts against the bottom of the hopper, lifting the stacked battery cells in the hopper upward as a whole.

[0043] In the above design, the structure of the top material component 33 can use the second linear module 331 to drive the lifting column 332 to lift the lower battery cells. The lifting action is precise and controllable, and the lifting height can be adjusted in real time according to the consumption of battery cells in the hopper, so that the uppermost battery cells are always kept at the optimal picking height of the suction mechanism 4.

[0044] Specifically: such as Figure 1 As shown, the hopper mechanism 1 includes several full-hopper feeding lines 11 arranged along the Y-axis and several empty-hopper return lines 12 arranged along the Y-axis. The full-hopper feeding lines 11 and the empty-hopper return lines 12 correspond one-to-one along the top and bottom.

[0045] In actual use, the full hopper feeding line 11 and the empty hopper return line 12 carry the full material hopper and the empty material hopper respectively, and transport them along the Y-axis direction to realize the parallel operation of full material supply and empty hopper recovery.

[0046] In the above design, the structural design of the hopper mechanism 1 enables the recycling of the hopper.

[0047] Specifically: such as Figure 8 As shown, the transplanting mechanism 2 includes a base plate 21, a linear guide rail 22 arranged on the base plate 21 along the Y-axis, a slide block 23 slidably arranged on the linear guide rail 22, a drive member 24 arranged on the base plate 21 for driving the slide block 23 to slide along the linear guide rail 22, a linear module 25 arranged on the slide block 23 along the Z-axis, a plate 26 arranged at the output end of the linear module 25, and a connecting transmission line 27 arranged on the plate 26. The linear module 25 is used to drive the plate 26 to drive the connecting transmission line 27 to switch between the full hopper feeding line 11 and the empty hopper return line 12.

[0048] In actual use, the first drive unit 24 drives the first slide 23 to move along the first linear guide rail 22 in the Y-axis direction, while the first linear module 25 drives the first plate 26 to rise and fall in the Z-axis direction, so that the first connecting transmission line 27 switches between the full hopper feeding line 11 and the empty hopper return line 12, so that the empty hopper can return to the empty hopper return line 12 and receive the full hopper from the full hopper feeding line 11.

[0049] In the above design, the structure of the transplanting mechanism 2 can achieve bidirectional movement in the Y-axis and Z-axis directions, and can flexibly switch between the full hopper feeding line 11 and the empty hopper return line 12, thereby improving the efficiency and reliability of hopper transfer.

[0050] Specifically: such as Figure 5 As shown, the linear conveying hopper mechanism 5 includes a second base plate 51, a second linear guide rail 52 arranged along the X-axis on the second base plate 51, a second slide block 53 slidably arranged on the second linear guide rail 52, a second driving component 54 arranged on the second base plate 51 for driving the second slide block 53 to slide along the second linear guide rail 52, a second connecting line A55 arranged along the X-axis on the second slide block 53, a second lifting component 56 arranged on the second slide block 53, and a second connecting line B57 arranged along the Y-axis on the second lifting component 56. The second connecting line B57 is used to convey the hopper in the second connecting line A55 to the first conveyor belt 32. Both the second connecting line A55 and the second connecting line B57 are double conveyor belts. The second connecting line B57 includes a first conveying section located inside the second connecting line A55 and a second conveying section located outside the second connecting line A55.

[0051] In actual use, the second connecting line A55 receives the hopper from the transplanting mechanism 2 and transports it along the X-axis to the position corresponding to the predetermined top material mechanism 3 before stopping. Then, the second lifting assembly 56 drives the second connecting line B57 to lift and lower, so that the second connecting line B57 lifts the hopper from the second connecting line A55 and transfers it to the first belt conveyor 32. The inner and outer conveying sections of the second connecting line B57 work together to complete the transition transport of the hopper. After the battery cells in the hopper of the top material mechanism 3 are transferred, the second connecting line B57 is raised and lowered by the second lifting component 56 to correspond with the first belt line 32. Then the first belt line 32 transfers the empty hopper to the second connecting line B57. Then the second lifting component 56 drives the second connecting line B57 to descend, so that the hopper in the second connecting line B57 lands on the conveying end face of the second connecting line A55. Then the second driving component 54 drives the second sliding block 53 to move to the predetermined docking position on the side of the transfer mechanism 2. After that, the second connecting line A55 transfers the empty hopper into the transfer mechanism 2.

[0052] In the above design, the structure of the linear conveyor hopper mechanism 5 can realize the functions of receiving and conveying the hopper. It has a compact structure and stable conveying. The second connecting line B57 is lifted and lowered through the second lifting component 56. It can connect with the second connecting line A55 and the first belt line 32 at different height positions, which greatly improves the flexibility and smoothness of the hopper transfer between different conveyor lines.

[0053] Specifically: such as Figure 6 As shown, the material suction mechanism 4 includes a third mounting plate 41, a third linear module 42 disposed on the third mounting plate 41 along the Y-axis, a third frame 43 disposed at the output end of the third linear module 42, a third cylinder 44 disposed vertically on the third frame 43, a third connecting plate 45 disposed at the output end of the third cylinder 44, and a third material suction assembly 46 disposed on the third connecting plate 45.

[0054] In actual use, the No. 3 linear module 42 drives the No. 3 frame 43 to move along the Y-axis to the material picking position. Simultaneously, the No. 3 cylinder 44 drives the No. 3 connecting plate 45 to lower the No. 3 suction component 46 along the Z-axis, allowing the No. 3 suction component 46 to approach and pick up the top layer of solar cells. After picking up the material, the No. 3 cylinder 44 drives the No. 3 connecting plate 45 to raise the No. 3 suction component 46, causing the picked-up solar cells to rise synchronously. Then, the No. 3 linear module 42 drives the No. 3 frame 43 and the No. 3 cylinder 44, along with other structural components, to move the picked-up product to the discharge position. The No. 3 cylinder 44 then drives the No. 3 connecting plate 45 to lower the No. 3 suction component 46 along the Z-axis to a predetermined height. Finally, the vacuum of the No. 3 suction component 46 is closed, allowing it to approach and discharge the top layer of solar cells.

[0055] Specifically: such as Figure 7 As shown, the third suction assembly 46 includes a connecting frame 461 fixedly connected to the lower end of the third connecting plate 45, and two suction plates 462 symmetrically arranged on both sides of the connecting frame 461. Each suction plate 462 includes a plate body 4621 hinged to the connecting frame 461 and a first bolt 4622 for fixing the plate body 4621 and the suction plate 462. The connecting frame 461 is provided with an arc-shaped hole 400 and a scale corresponding to the arc-shaped hole 400. The lower end face of the plate body 4621 is provided with an air inlet. The plate body 4621 is provided with a first screw hole that mates with the arc-shaped hole 400. The threaded end of the first bolt 4622 passes through the arc-shaped hole 400 and is threadedly connected to the first screw hole to fix the suction plate 462 and the connecting frame 461.

[0056] In actual use, first adjust the two suction plates 462 to the predetermined angle. According to the specifications and dimensions of the battery cell, loosen the first bolt 4622 to allow the suction plate 462 to rotate relative to the connecting frame 461 around the hinge point. At the same time, refer to the arc hole 400 and the scale to adjust the suction plate 462 to the required tilting angle, and then tighten the first bolt 4622 to fix the suction plate 462. During actual material removal, the suction plates 462 on both sides contact and adsorb the edge areas on both sides of the top layer of battery cell in a tilted posture. After adsorption, the suction plates 462 on both sides continue to maintain the tilting tension, causing the adsorbed battery cell to undergo a slight bending deformation in the width direction. The edges of the battery cell tilt upward and the middle sinks relatively, thereby pulling apart the contact surface between the battery cell and the lower layer of battery cell and breaking the negative pressure. Then, the suction mechanism 4 lifts and removes the bent battery cell as a whole.

[0057] In the above design, the suction plates 462 on both sides are used to lift and adsorb the cells, and the flexibility of the cells themselves is used to make them bend and deform in a controllable manner. This effectively and reliably separates the top layer of cells from the cells that are stuck to the bottom layer, avoiding the problem of cells being picked up along with the cells due to negative pressure adsorption. This method does not require additional air blowing or mechanical peeling structures. The cell picking and separation actions are completed simultaneously, which simplifies the mechanism and improves the success rate of cell picking. It is especially suitable for automatic feeding scenarios of thin and easily stuck cells.

[0058] The second embodiment provided in this application is a battery cell feeding method using the aforementioned battery cell feeding device, comprising the following steps: S1, providing a full hopper through the hopper mechanism 1; S2, transferring the full hopper from the hopper mechanism 1 to the linear conveyor hopper mechanism 5 through the transfer mechanism 2; S3, conveying the full hopper along the X-axis direction to the corresponding top-feeding mechanism 3 through the linear conveyor hopper mechanism 5; S4, conveying the hopper along the Y-axis direction to a predetermined position on the mounting base 31 through the first belt conveyor 32, so that the hopper is limited by the mounting base 31; S5, lifting the bottom layer of battery cells upward from the bottom surface of the hopper through the top-feeding component 33 passing through the clearance hole on the mounting base 31, so that the hopper is filled with battery cells. The stacked solar cells are lifted upwards as a whole until the top layer of solar cells reaches the working height of the air-blowing and material-distributing component 34; S6, the solar cells are blown from the side by the air-blowing and material-distributing component 34, causing the edge between the top layer of solar cells and the adjacent lower layer of solar cells to warp and eliminate negative pressure; S7, the top layer of solar cells is picked up and removed by the suction mechanism 4; S8, steps five to seven are repeated until all the solar cells in the hopper are removed; S9, the empty hopper is transported along the Y-axis direction to the linear conveyor hopper mechanism 5 by the first belt conveyor 32; S10, the empty hopper is transported along the X-axis direction to the transfer mechanism 2 by the linear conveyor hopper mechanism 5; S11, the empty hopper is transported to the hopper mechanism 1 for recycling by the transfer mechanism 2.

[0059] The above design realizes the fully automated operation of the battery cells from feeding to unloading, effectively avoiding the problem of simultaneous unloading of multiple battery cells, greatly improving feeding efficiency and unloading yield. At the same time, the automatic return of empty material bins reduces manual intervention and labor intensity.

[0060] In further detail, it should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A battery cell feeding device, comprising a hopper mechanism (1), characterized in that: It also includes a transplanting mechanism (2), several top material mechanisms (3) arranged along the X-axis, several suction mechanisms (4) arranged along the X-axis and corresponding one-to-one with the top material mechanism (3), and a linear conveying bin mechanism (5) arranged along the X-axis. The top material mechanism (3) includes a mounting base (31), a first belt line (32) arranged along the Y-axis on the mounting base (31), a top material assembly (33) arranged on the mounting base (31), and air blowing and distributing assemblies (34) arranged on both sides of the mounting base (31). The mounting base (31) is provided with a clearance hole for the top material assembly (33) to avoid being positioned.

2. The battery cell feeding device according to claim 1, characterized in that: The air blowing and distributing assembly (34) includes a first air blowing assembly (341) fixedly mounted on the mounting base (31), a first cylinder (342) vertically mounted on the mounting base (31), a first lifting plate (343) mounted at the output end of the first cylinder (342), and a plurality of second air blowing assemblies (344) mounted on the first lifting plate (343). The first air blowing assembly (341) and the second air blowing assembly (344) are respectively used to blow air onto different sides of the product from the same horizontal height.

3. The battery cell feeding device according to claim 2, characterized in that: The first air blowing assembly (341) and the second air blowing assembly (344) have the same structure. The first air blowing assembly (341) includes a first block (3411) and a second block (3412). The first block (3411) and the second block (3412) form a cavity. The cavity is provided with a vertical air outlet (340). The air outlet (340) has a rectangular cross-section. The airflow from the air outlet (340) blows from the side of the stacked battery cells, causing the upper battery cell to lift upward relative to the lower battery cell.

4. The battery cell feeding device according to claim 2, characterized in that: The top material assembly (33) includes a second linear module (331) vertically mounted on the mounting base (31) and a lifting column (332) mounted at the output end of the second linear module (331). The lifting column (332) can pass through the clearance hole and abut against the lower end face of the hopper.

5. The battery cell feeding device according to claim 1, characterized in that: The silo mechanism (1) includes several full silo feeding lines (11) arranged along the Y-axis and several empty silo return lines (12) arranged along the Y-axis. The full silo feeding lines (11) and the empty silo return lines (12) correspond one-to-one along the top and bottom.

6. The battery cell feeding device according to claim 1, characterized in that: The transplanting mechanism (2) includes a base plate (21), a linear guide rail (22) set on the base plate (21) along the Y-axis, a slide block (23) slidably set on the linear guide rail (22), a drive unit (24) set on the base plate (21) for driving the slide block (23) to slide along the linear guide rail (22), a linear module (25) set on the slide block (23) along the Z-axis, a plate (26) set at the output end of the linear module (25), and a connecting transmission line (27) set on the plate (26). The linear module (25) is used to drive the plate (26) to drive the connecting transmission line (27) to switch between a full-load feeding line (11) and an empty return line (12).

7. The battery cell feeding device according to claim 1, characterized in that: The linear conveying hopper mechanism (5) includes a second base plate (51), a second linear guide rail (52) arranged on the second base plate (51) along the X-axis, a second slide block (53) slidably arranged on the second linear guide rail (52), a second driving component (54) arranged on the second base plate (51) for driving the second slide block (53) to slide along the second linear guide rail (52), a second connecting line A (55) arranged on the second slide block (53) along the X-axis, and a second connecting line A (55) arranged on the second slide block (53). The lifting assembly (56) and the second connecting line B (57) arranged along the Y-axis direction on the second lifting assembly (56) are used to transport the hopper in the second connecting line A (55) to the first belt line (32). The second connecting line A (55) and the second connecting line B (57) are both double belt lines. The second connecting line B (57) includes a first conveying section located inside the second connecting line A (55) and a second conveying section located outside the second connecting line A (55).

8. The battery cell feeding device according to claim 1, characterized in that: The material suction mechanism (4) includes a No. 3 mounting plate (41), a No. 3 linear module (42) arranged along the Y-axis on the No. 3 mounting plate (41), a No. 3 frame (43) arranged at the output end of the No. 3 linear module (42), a No. 3 cylinder (44) arranged vertically on the No. 3 frame (43), a No. 3 connecting plate (45) arranged at the output end of the No. 3 cylinder (44), and a No. 3 material suction assembly (46) arranged on the No. 3 connecting plate (45).

9. The battery cell feeding device according to claim 8, characterized in that: The third suction assembly (46) includes a connecting frame (461) fixedly connected to the lower end of the third connecting plate (45), and two suction plates (462) symmetrically arranged on both sides of the connecting frame (461). The suction plate (462) includes a plate body (4621) hinged to the connecting frame (461) and a first bolt (4622) for fixing the plate body (4621) and the suction plate (462). The connecting frame (461) is provided with an arc-shaped hole (400) and a scale corresponding to the arc-shaped hole (400). The lower end face of the plate body (4621) is provided with an air inlet. The plate body (4621) is provided with a first screw hole that mates with the arc-shaped hole (400). The threaded end of the first bolt (4622) passes through the arc-shaped hole (400) and is threadedly connected to the first screw hole to fix the suction plate (462) and the connecting frame (461).

10. A method for feeding solar cells, using the solar cell feeding device according to any one of claims 1 to 9, characterized in that: The process includes the following steps: S1, providing a full hopper through the hopper mechanism (1); S2, transferring the full hopper from the hopper mechanism (1) to the linear conveyor hopper mechanism (5) through the transfer mechanism (2); S3, conveying the full hopper along the X-axis direction to the corresponding top material mechanism (3) through the linear conveyor hopper mechanism (5); S4, conveying the hopper along the Y-axis direction to a predetermined position on the mounting base (31) through the first belt conveyor (32), so that the hopper is limited by the mounting base (31); S5, lifting the bottom layer of battery cells upward from the bottom surface of the hopper through the top material assembly (33) through the clearance hole on the mounting base (31), so that the stacked battery cells in the hopper are lifted upward as a whole until the top layer of battery cells. S6. The cell reaches the working height of the air-blowing and material distribution assembly (34); S7. The air-blowing and material distribution assembly (34) blows air on the cell from the side, causing the edge between the top cell and the adjacent bottom cell to warp and eliminate negative pressure; S8. The suction mechanism (4) adsorbs and removes the top cell; S9. Repeat steps five to seven until all the cells in the hopper are removed; S10. The empty hopper is transported along the Y-axis direction to the linear conveyor hopper mechanism (5) via the first belt (32); S11. The empty hopper is transported along the X-axis direction to the transfer mechanism (2) via the linear conveyor hopper mechanism (5); S22. The empty hopper is transported to the hopper mechanism (1) for recycling via the transfer mechanism (2).

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