Battery piece edge passivation blanking and testing, sorting and feeding processing production line

Abstract

The invention relates to the technical field of battery piece processing, in particular to a battery piece edge passivation discharging and testing, sorting and feeding processing production line which comprises a storage box, a bin moving mechanical arm and a piece taking mechanical arm, a plurality of material boxes are placed in the storage box, and battery pieces are stacked on the material boxes; a battery piece loading and unloading mechanism is arranged between the bin moving mechanical arm and the piece taking mechanical arm, a support is arranged beside the piece taking mechanical arm, a first conveying belt and a second conveying belt are rotationally arranged on the support, a first piece storage frame is arranged on the support, and the piece taking mechanical arm is used for transferring battery pieces stacked on a material box on the battery piece loading and unloading mechanism to the first piece storage frame. A sheet moving mechanism, a visual inspection mechanism and a sheet repairing mechanism are arranged on the support, and a weight screening mechanism is arranged between the first conveying belt and the second conveying belt. The battery piece machining device has the effect of improving the battery piece machining efficiency and machining quality.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery piece processing, in particular to a battery piece edge passivation discharging, testing and sorting feeding and processing production line. BACKGROUND

[0002] A photovoltaic cell is a core part of a solar cell and can convert sunlight into electrical energy. The core component of the photovoltaic cell is a solar cell chip, which is usually made of a semiconductor material such as silicon and can convert light energy into electrical energy through the photovoltaic effect.

[0003] At present, in the feeding process of the battery piece, the mechanical hand transfers the stacked battery pieces on the suction disc one by one, but due to the smooth surface of the battery piece, the suction disc on the mechanical hand has a probability of transferring multiple battery pieces to the conveying belt at the same time under the action of electrostatic adsorption force.

[0004] Since each device on the production line has a fixed program control, when multiple battery pieces are transferred to the conveying belt at the same time, the subsequent processing procedures of the production line will be disordered, which has a deficiency. SUMMARY

[0005] In order to improve the problem that multiple battery pieces appear on the conveying belt at the same time and affect the subsequent battery piece processing, the application provides a battery piece edge passivation discharging, testing and sorting feeding and processing production line.

[0006] The battery piece edge passivation discharging, testing and sorting feeding and processing production line provided by the application adopts the following technical scheme: A battery piece edge passivation discharging, testing and sorting feeding and processing production line, comprising a storage box, a warehouse moving mechanical hand and a piece taking mechanical hand, a plurality of boxes are placed in the storage box, battery pieces are stacked on the boxes, a battery piece loading and unloading mechanism is arranged between the warehouse moving mechanical hand and the piece taking mechanical hand, a support is arranged beside the piece taking mechanical hand, a first conveying belt and a second conveying belt are rotatably arranged on the support, a first piece storage rack is arranged on the support, the piece taking mechanical hand is used for transferring the battery pieces stacked on the boxes of the battery piece loading and unloading mechanism to the first piece storage rack, a piece moving mechanism is arranged on the support, the piece moving mechanism is used for transferring the battery pieces stacked on the first piece storage rack to the first conveying belt one by one, a weight screening mechanism is arranged between the first conveying belt and the second conveying belt, the weight screening mechanism is used for moving out the repeatedly stacked battery pieces on the first conveying belt, an inspection mechanism and a piece supplementing mechanism are arranged on the support, the inspection mechanism is used for moving out the damaged battery pieces on the second conveying belt, and the piece supplementing mechanism is used for supplementing the battery pieces to the vacant positions on the second conveying belt.

[0007] By adopting the above technical scheme, the material box in the storage box is first transferred to the battery piece loading and unloading mechanism by the transfer mechanical hand, then the battery pieces stacked on the material box on the battery piece loading and unloading mechanism are transferred to the first piece storage rack on the support by the piece taking mechanical hand, subsequently, the stacked battery pieces on the first piece storage rack are sequentially transferred to the first conveying belt by the piece transferring mechanism, in the process of conveying the battery pieces from the first conveying belt to the second conveying belt, the repeated stacked battery pieces are removed from the first conveying belt by the weight screening mechanism, the damaged battery pieces on the second conveying belt are removed by the visual inspection mechanism, finally, the intact battery pieces are supplemented on the vacant positions on the second conveying belt by the piece supplementing mechanism, so that the battery pieces are uniformly conveyed on the second conveying belt to the next processing procedure, thereby, the quality of subsequent processing of the battery pieces is improved.

[0008] Optionally, the piece transferring mechanism comprises a door-shaped frame arranged on the support, a moving frame frame is slidingly arranged on the support, a plurality of first piece storage racks are uniformly arranged on the moving frame frame, a reciprocating member is arranged on the support to drive the moving frame frame to reciprocally slide, a first linear module electrically connected to the control system is arranged on the door-shaped frame and above the first conveying belt, a piece transferring suction disc electrically connected to the control system is arranged on the sliding block of the first linear module, a jacking electric cylinder electrically connected to the control system is arranged on the support and directly below the first linear module, the piston rod of the jacking electric cylinder is used to jack up the stacked battery pieces on the first piece storage rack to be close to the piece transferring suction disc, and a piece separating member is arranged on the support to sequentially separate the stacked battery pieces.

[0009] By adopting the above technical scheme, the moving frame frame is driven to slide by the reciprocating member, the moving frame frame drives the first piece storage rack loaded with the battery pieces to move to the below of the first linear module, the piece taking mechanical hand places the stacked battery pieces on the idle first piece storage rack on the moving frame frame, the control system controls the sliding block of the first linear module to drive the piece transferring suction disc to move to the directly above of the first piece storage rack on which the battery pieces are placed, subsequently, the piston rod of the jacking electric cylinder jacks up the stacked battery pieces to be close to the piece transferring suction disc to a suitable distance, at the same time, the piece separating member separates the two battery pieces close to the piece transferring suction disc, at this time, the piece transferring suction disc generates suction force, the suction force generated by the piece transferring suction disc sucks up the uppermost one of the battery pieces and fixes it on the piece transferring suction disc, at this time, the lower surface of the battery piece on the piece transferring suction disc is higher than the top of the first piece storage rack, finally, the sliding block of the first linear module transfers the battery piece to the first conveying belt through the piece transferring suction disc.

[0010] Optionally, the reciprocating member comprises a rack arranged on the moving frame frame, a moving frame motor electrically connected to the control system is arranged on the support, and a moving frame gear meshing with the rack is arranged on the output shaft of the moving frame motor.

[0011] By adopting the above technical solution, the control system starts the shifting motor. The output shaft of the shifting motor rotates in the forward or reverse direction, thereby causing the rack to drive the shifting frame to slide back and forth on the support. As a result, the first storage racks at different positions on the shifting frame can all be moved to the bottom of the first linear module.

[0012] Optionally, the segmentation component includes an air blowing frame disposed on the support, the air blowing frame being provided with a plurality of air blowing nozzles, the plurality of air blowing nozzles being evenly distributed around the stacked battery cells, and the air outlet of the air blowing nozzles pointing towards the contact position of the top two battery cells of the stacked battery cells.

[0013] By adopting the above technical solution, high-speed airflow is rapidly ejected from multiple air nozzles. The airflow blows air onto the contact point of the top two stacked battery cells, lifting the topmost battery cell. This facilitates the effect of the transfer suction cup picking up only one battery cell at a time.

[0014] Optionally, the screening and weighing mechanism includes a screen frame rotatably mounted on the support, a third conveyor belt rotatably mounted on the screen frame, the third conveyor belt being located between the first conveyor belt and the second conveyor belt, a screen cylinder electrically connected to the control system rotatably mounted on the support, one end of the screen frame facing away from its rotation center being connected to the piston rod of the screen cylinder, a hollow, open-top temporary storage box mounted on the support, the end of the screen frame facing away from its rotation center being used to rotate to the open top of the temporary storage box, a screening and weighing plate mounted on the support between the first and third conveyor belts, an ultrasonic sensor electrically connected to the control system mounted on the screening and weighing plate, and a trigger plate mounted on the support between the third and second conveyor belts, a photoelectric sensor electrically connected to the control system mounted on the trigger plate.

[0015] By adopting the above technical solution, when the battery cell moves from the first conveyor belt to the third conveyor belt, the ultrasonic sensor on the screening plate will feed back the thickness of the battery cell to the control system. At this time, the battery cell is located on the third conveyor belt. When the feedback thickness value is greater than the thickness of a single battery cell, and the battery cell on the third conveyor belt triggers the photoelectric sensor, the control system stops rotating the first conveyor belt and starts the screening cylinder. The piston rod of the screening cylinder retracts, and the screening frame rotates around its rotation center, so that the end of the screening frame facing away from its rotation center tilts downward, thereby causing the battery cell on the third conveyor belt to slide into the temporary storage box. Afterward, the piston rod of the screening cylinder pushes the screening frame to rotate in the opposite direction and reset.

[0016] Optionally, the visual inspection mechanism includes an inspection frame and a visual screening frame mounted on the support. The inspection frame is located above the second conveyor belt. A visual camera electrically connected to the control system is mounted on the inspection frame. A second linear module electrically connected to the control system is mounted on the visual screening frame. A loss-removing suction cup electrically connected to the control system is mounted on the slider of the second linear module. The loss-removing suction cup is used to pick up the battery cells on the second conveyor belt. A hollow, open-top storage box is mounted on the support and located below the visual screening frame.

[0017] By adopting the above technical solution, during the conveying of the battery cells on the second conveyor belt, the vision camera will feed back the battery cells on the second conveyor belt to the control system. When the vision camera detects that the battery cells on the second conveyor belt are damaged, and the damaged battery cells move directly under the second linear module, the control system activates the damage removal suction cup. The suction force generated by the damage removal suction cup will pick up the battery cells on the second conveyor belt and fix them on the damage removal suction cup. Subsequently, the control system activates the second linear module, and the slider on the second linear module will transfer the damaged battery cells to the storage box through the damage removal suction cup.

[0018] Optionally, the patching mechanism includes a patch holder mounted on the support, a third linear module electrically connected to the control system mounted on the patch holder, the third linear module being located above the second conveyor belt, a patch suction cup electrically connected to the control system mounted on the slider of the third linear module, a patch frame mounted on the support, a second storage rack mounted on the patch frame, the structure of the first storage rack being identical to that of the second storage rack, and a patch electric cylinder electrically connected to the control system mounted on the patch frame, the piston rod of the patch electric cylinder being used to lift the stacked battery cells on the second storage rack closer to the patch suction cup.

[0019] By adopting the above technical solution, when the empty position on the second conveyor belt moves to directly below the third linear module, the control system activates the third linear module. The slider on the third linear module uses the suction force of the patch suction cup to transfer the battery cell to directly above the second conveyor belt. Subsequently, the patch suction cup loses its suction force, and the battery cell falls to the empty position on the second conveyor belt. The slider on the third linear module will drive the patch suction cup to reset. After that, the control system activates the patch electric cylinder. The piston rod of the patch electric cylinder lifts the battery cells stacked on the second cell storage rack close to the patch suction cup.

[0020] Optionally, a hollow cleaning box with an open top is provided between the transfer robot and the storage box. The open top of the cleaning box is equipped with a brush and an air nozzle, and the air outlet of the air nozzle is directed towards the open top of the cleaning box.

[0021] By adopting the above technical solution, after the cells on the cell loading and unloading mechanism are transferred by the cell handling robot, the transfer robot will move the empty cell loading and unloading mechanism to the cleaning box. By repeatedly moving the cell loading and unloading box up and down, the cell loading box is continuously cleaned by the brush and air nozzle. After that, the empty cell loading box is placed back into the storage box, thereby reducing the contamination of the cells by the debris attached to the cell loading box during repeated use.

[0022] Optionally, the bottom of the bracket is provided with an anti-tilt frame, a lifting platform is vertically slidably mounted on the anti-tilt frame, a lifting screw is rotatably mounted on the anti-tilt frame, a lifting motor electrically connected to the control system is mounted on the anti-tilt frame, the lifting screw is coaxially mounted on the output shaft of the lifting motor, the lifting platform is threadedly connected to the lifting screw, a rodless cylinder electrically connected to the control system is mounted on the lifting platform, a vertical rod is mounted on the slider of the rodless cylinder, anti-tilt rods are rotatably mounted on both sides of the vertical rod, a linkage block is mounted on the top of the anti-tilt rod, the top and bottom edges of the linkage block facing away from the vertical rod are chamfered, a block dropping groove is provided at the bottom of the first tablet storage rack, and the beveled surface of the chamfer on the linkage block is used to abut and slide with the edge of the block dropping groove on the first tablet storage rack.

[0023] By adopting the above technical solution, when a worker needs to maintain the first film storage rack, the slider on the rodless cylinder moves the upright to directly below the first film storage rack that needs maintenance. Then, the control system starts the lifting motor, whose output shaft drives the lifting screw to rotate. The lifting screw then raises the lifting platform. As the top of the upright contacts the bottom of the first film storage rack, the chamfer at the top of the linkage block on the anti-tilt bar contacts the bottom edge of the first film storage rack. During this process, the anti-tilt bar rotates continuously until the linkage block on the anti-tilt bar rotates to the first... The first film storage rack is confined to the upright in the bottom block groove. As the upright rises, it lifts the first film storage rack at its top, separating it from the surrounding first film storage racks for easier maintenance. After maintenance, the first film storage rack falls back onto the moving frame as the upright descends. As the upright continues to descend, the chamfer at the bottom of the linkage block on the anti-tilt bar abuts against the edge of the block groove, causing the anti-tilt bar to rotate until the upright moves below the moving frame.

[0024] Optionally, multiple first and second conveyor belts are arranged on the support, with one-to-one correspondence between the first and second conveyor belts. An adjustment plate is provided on the slider of the first linear module, and an adjustment cylinder electrically connected to the control system is provided on the adjustment plate. One shifting suction cup is arranged on both the adjustment plate and the piston rod of the adjustment cylinder.

[0025] By adopting the above technical solution, after the cell transfer suction cup picks up the battery cells from the first cell storage rack, the control system activates the distance adjustment cylinder. The piston rod of the distance adjustment cylinder drives the cell transfer suction cup on it to move, so that the distance between the two cell transfer suction cups is equal to the distance between the two adjacent first conveyor belts, thereby achieving the effect of simultaneous feeding of multiple battery cells, which is beneficial to improving the efficiency of battery cell processing.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The transfer robot first transfers the material boxes in the storage box to the cell loading and unloading mechanism. Then, the cell picking robot transfers the stacked cells on the material boxes on the cell loading and unloading mechanism to the first cell storage rack on the support. Subsequently, the cell transfer mechanism transfers the stacked cells on the first cell storage rack to the first conveyor belt in sequence. During the process of the cells being transported from the first conveyor belt to the second conveyor belt, the screening and weighing mechanism removes the cells that are repeatedly stacked from the first conveyor belt, the visual inspection mechanism removes the damaged cells from the second conveyor belt, and finally, the cell replenishment mechanism places the intact cells in the empty positions on the second conveyor belt. This ensures that the cells are evenly transported to the next processing step on the second conveyor belt, thereby improving the quality of subsequent processing of the cells. 2. As the battery cells move from the first conveyor belt to the third conveyor belt, the ultrasonic sensor on the screening plate will feed back the thickness of the battery cells to the control system. At this time, the battery cells are located on the third conveyor belt. When the feedback thickness value is greater than the thickness of a single battery cell, and the battery cells on the third conveyor belt trigger the photoelectric sensor, the control system stops rotating the first conveyor belt and starts the screening cylinder. The piston rod of the screening cylinder retracts, and the screening frame rotates around its rotation center, so that the end of the screening frame facing away from its rotation center tilts downward, thereby causing the battery cells on the third conveyor belt to slide into the temporary storage box. After that, the piston rod of the screening cylinder pushes the screening frame to rotate in the opposite direction and reset. 3. During the conveying of the battery cells on the second conveyor belt, the vision camera will feed back the battery cells on the second conveyor belt to the control system. When the vision camera detects that the battery cells on the second conveyor belt are stacked and misaligned, and the misaligned battery cells move directly under the second linear module, the control system activates the loss removal suction cup. The suction force generated by the loss removal suction cup picks up the battery cells on the second conveyor belt and fixes them on the loss removal suction cup. Subsequently, the control system activates the second linear module. The slider on the second linear module moves the damaged battery cells to the loss storage box through the loss removal suction cup. Attached Figure Description

[0027] Figure 1 This is a structural schematic diagram of an embodiment of this application.

[0028] Figure 2This is a structural schematic diagram illustrating the positional relationship between the first linear module, the inspection frame, and the second linear module in an embodiment of this application.

[0029] Figure 3 This is a structural schematic diagram illustrating the positional relationship between the air blowing frame, the third conveyor belt, and the second conveyor belt in the embodiments of this application.

[0030] Figure 4 This is a schematic diagram illustrating the structure of the first wafer rack in the embodiments of this application.

[0031] Figure 5 This is a structural schematic diagram illustrating the positional relationship between the first linear module, the rack, and the shifter motor in the embodiments of this application.

[0032] Figure 6 This is a structural schematic diagram illustrating the positional relationship between the ultrasonic sensor, the third conveyor belt, and the vision camera in an embodiment of this application.

[0033] Figure 7 This is a structural diagram illustrating the positional relationship between the anti-tilt frame, the uprights, and the lifting motor in the embodiments of this application.

[0034] Explanation of reference numerals in the attached drawings: 1. Storage box; 2. Transfer robot; 3. Sheet picking robot; 4. Material box; 5. Battery cell loading and unloading mechanism; 6. Support frame; 7. First conveyor belt; 8. Second conveyor belt; 9. First storage rack; 10. Transfer mechanism; 101. Gantry frame; 102. Transfer frame; 103. Reciprocating component; 1031. Rack; 1032. Transfer motor; 1033. Transfer gear; 104. First linear module; 105. Transfer suction cup; 106. Lifting cylinder; 107. Sheet separating component; 1071. Air blowing frame; 1072. Air blowing nozzle; 11. Screening mechanism; 111. Screening frame; 112. Third conveyor belt; 113. Screening cylinder; 114. Temporary storage box; 115. Screening plate; 116. Ultrasonic sensor; 117. Trigger plate; 118. Photoelectric sensor; 12. Visual inspection mechanism; 121. Inspection frame; 122. Screening frame; 123. Visual camera; 124. Second linear module; 125. Loss removal suction cup; 126. Loss storage box; 13. Patch mechanism; 131. Patch holder; 132. Third linear module; 133. Patch suction cup; 134. Patch frame; 135. Second storage rack; 136. Patch electric cylinder; 14. Cleaning box; 15. Brush; 16. Air nozzle; 17. Anti-tilt frame; 18. Lifting platform; 19. Lifting screw; 20. Lifting motor; 21. Rodless cylinder; 22. Upright pole; 23. Anti-tilt bar; 24. Linkage block; 25. Chamfer; 26. Patch drop groove; 27. Adjustment plate; 28. Adjustment cylinder. Detailed Implementation

[0035] The following is in conjunction with the appendix Figures 1-7This application will be described in further detail.

[0036] This application discloses a battery cell edge passivation blanking and testing sorting loading production line.

[0037] Reference Figure 1 A battery cell edge passivation unloading and testing sorting production line includes a storage box 1, a transfer robot 2 and a cell picking robot 3. The storage box 1 contains several material boxes 4, and the battery cells are stacked on the material boxes 4. A battery cell loading and unloading mechanism 5 is arranged between the transfer robot 2 and the cell picking robot 3.

[0038] Reference Figure 1 A cleaning box 14 with a hollow interior and an open top is arranged between the transfer robot 2 and the storage box 1. A brush 15 and an air nozzle 16 are bolted to the open top end of the cleaning box 14. The air nozzle 16 is connected to an air pump through a pipe. The air pump is electrically connected to the control system. The air outlet of the air nozzle 16 is used to point to the open end of the cleaning box 14.

[0039] Reference Figure 1 , Figure 2 and Figure 3 A support 6 is arranged next to the robotic arm 3. Multiple first conveyor belts 7 and multiple second conveyor belts 8 are rotatably arranged on the support 6. The first conveyor belts 7 and the second conveyor belts 8 correspond one-to-one. Both the first conveyor belts 7 and the second conveyor belts 8 can be driven by motors and conveyor rollers in the existing technology.

[0040] Reference Figure 2 and Figure 4 The support 6 is equipped with a first cell storage rack 9. The cell picking robot 3 is used to transfer the cells stacked on the material box 4 on the cell loading and unloading mechanism 5 to the first cell storage rack 9. The support 6 is equipped with a cell transfer mechanism 10, which is used to transfer the cells stacked on the first cell storage rack 9 to the first conveyor belt 7 in sequence.

[0041] The transfer robot 2 first transfers the material box 4 containing battery cells in the storage box 1 to the battery cell loading and unloading mechanism 5. Then, the cell picking robot 3 transfers the battery cells stacked on the material box 4 on the battery cell loading and unloading mechanism 5 to the first cell storage rack 9 on the support 6.

[0042] Subsequently, the transfer robot 2 moves the empty material box 4 on the battery cell loading and unloading mechanism 5 into the cleaning box 14. By repeatedly moving the material box 4 up and down, the debris attached to the surface of the material box 4 is removed by the brush 15. At the same time, the airflow blown from the air nozzle 16 blows clean the areas on the surface of the material box 4 that are difficult to be cleaned by the brush 15, thereby reducing the contamination of the battery cells by the material box 4 during subsequent reuse.

[0043] Reference Figure 2 and Figure 3The tablet transfer mechanism 10 includes a portal frame 101 bolted to a bracket 6. A transfer frame 102 is slidably arranged on the bracket 6. Multiple first tablet storage frames 9 are evenly arranged on the transfer frame 102. The first tablet storage frames 9 are restricted to the transfer frame 102 by vertical positioning pins. A reciprocating component 103 is arranged on the bracket 6 to drive the transfer frame 102 to slide back and forth.

[0044] Reference Figure 2 , Figure 3 and Figure 5 The reciprocating component 103 includes a rack 1031 bolted to the bottom of the transfer frame 102, and a transfer motor 1032 electrically connected to the control system is bolted to the bracket 6. The transfer motor 1032 can be a forward and reverse motor in the prior art. A transfer gear 1033 that meshes with the rack 1031 is bolted to the output shaft of the transfer motor 1032.

[0045] Reference Figure 2 and Figure 3 A first linear module 104, which is electrically connected to the control system, is bolted on the gantry frame 101 and located above the first conveyor belt 7. The first linear module 104 can be a ball screw linear module in the prior art. An adjusting plate 27 is bolted on the slider of the first linear module 104, and an adjusting cylinder 28, which is electrically connected to the control system, is bolted on the adjusting plate 27.

[0046] Reference Figure 2 and Figure 3 A cell transfer suction cup 105 is bolted to the piston rod of both the adjusting plate 27 and the adjusting cylinder 28. The cell transfer suction cup 105 is electrically connected to the control system. A lifting cylinder 106, which is electrically connected to the control system, is bolted to the bracket 6 and located directly below the first linear module 104. The piston rod of the lifting cylinder 106 is used to lift the stacked cells on the first cell storage rack 9 and bring them closer to the cell transfer suction cup 105.

[0047] Reference Figure 3 The support 6 is provided with a slitting component 107 for sequentially slitting the stacked battery cells. The slitting component 107 includes an air blowing frame 1071 bolted to the support 6. Multiple air blowing nozzles 1072 are bolted to the air blowing frame 1071. The air blowing nozzles 1072 are connected to an air pump through hoses. The multiple air blowing nozzles 1072 are evenly distributed around the stacked battery cells. The air outlet of the air blowing nozzles 1072 points to the contact position of the top two battery cells of the stacked battery cells.

[0048] After the cells stacked on the material box 4 are transferred to the first cell storage rack 9 on the support 6, the control system starts the transfer motor 1032. The output shaft of the transfer motor 1032 rotates in the forward or reverse direction, thereby causing the rack 1031 to drive the transfer frame 102 to slide back and forth on the support 6. The sliding transfer frame 102 moves the cells stacked on the first cell storage rack 9 to directly above the piston rod of the lifting cylinder 106.

[0049] The slider of the first linear module 104 drives the cell transfer suction cup 105 to move directly above the lifting cylinder 106. Then the control system starts the lifting cylinder 106. The piston rod of the lifting cylinder 106 pushes the stacked cells on the first cell storage rack 9 to rise and approach the cell transfer suction cup 105 to a suitable distance. At this time, airflow is sprayed from multiple air nozzles 1072. The airflow blows air onto the contact position of the top two cells of the stacked cells.

[0050] The airflow will lift the topmost battery cell, and the suction generated on the transfer suction cup 105 will adsorb and fix the topmost battery cell. At this time, the lower surface of the battery cell on the transfer suction cup 105 is higher than the top of the first storage rack 9. Finally, the slider of the first linear module 104 transfers the battery cell to the top of the first conveyor belt 7 through the transfer suction cup 105.

[0051] Subsequently, the control system activates the pitch adjustment cylinder 28. The piston rod of the pitch adjustment cylinder 28 drives the cell transfer suction cup 105 on it to move, so that the distance between the two cell transfer suction cups 105 on the slider of the first linear module 104 is equal to the distance between the two adjacent first conveyor belts 7. Finally, the cell transfer suction cup 105 loses its suction force, and the battery cell falls onto the first conveyor belt 7.

[0052] Reference Figure 3 A screening and weighing mechanism 11 is arranged between the first conveyor belt 7 and the second conveyor belt 8. The screening and weighing mechanism 11 is used to remove the battery cells that are repeatedly stacked on the first conveyor belt 7.

[0053] Reference Figure 3 and Figure 6 The screening mechanism 11 includes a screen frame 111 rotatably connected to the support 6. Multiple third conveyor belts 112 are rotatably arranged on the screen frame 111. The third conveyor belts 112 can be driven by motors and conveyor rollers in the prior art. The third conveyor belts 112 are located between the first conveyor belt 7 and the second conveyor belt 8, and the third conveyor belts 112 correspond one-to-one with the first conveyor belt 7.

[0054] Reference Figure 3 and Figure 6A screen cylinder 113, which is electrically connected to the control system, is rotatably connected to the support 6. The end of the screen frame 111 facing away from its rotation center is connected to the piston rod of the screen cylinder 113. A hollow storage box 114 with an open top is bolted to the support 6. The end of the screen frame 111 facing away from its rotation center is used to rotate to the open top of the storage box 114.

[0055] Reference Figure 3 and Figure 6 A screen plate 115 is attached to the support 6 between the first conveyor belt 7 and the third conveyor belt 112. An ultrasonic sensor 116 electrically connected to the control system is attached to the screen plate 115. The ultrasonic sensor 116 includes an ultrasonic signal transmitter and an ultrasonic signal receiver. The battery cell slides between the ultrasonic signal transmitter and the ultrasonic signal receiver. A trigger plate 117 is attached to the support 6 between the third conveyor belt 112 and the second conveyor belt 8. A photoelectric sensor 118 electrically connected to the control system is attached to the trigger plate 117.

[0056] During the process of conveying the battery cells from the first conveyor belt 7 to the third conveyor belt 112, the ultrasonic sensor 116 on the screening plate 115 will feed back the thickness of the battery cells to the control system until the battery cells detected by the ultrasonic sensor 116 in a single instance have completely moved onto the third conveyor belt 112. When the feedback thickness value is greater than the thickness of a single battery cell and the battery cells on the third conveyor belt 112 trigger the photoelectric sensor 118.

[0057] The control system stops rotating the first conveyor belt 7 and starts the screen cylinder 113. The piston rod of the screen cylinder 113 retracts, and the screen frame 111 rotates around its rotation center, so that the end of the screen frame 111 facing away from its rotation center tilts downward, thereby causing the battery cells on the third conveyor belt 112 to slide into the temporary storage box 114. After that, the piston rod of the screen cylinder 113 pushes the screen frame 111 to rotate in the opposite direction to reset, thereby removing the stacked battery cells.

[0058] Reference Figure 6 A visual inspection mechanism 12 is arranged on the support 6. The visual inspection mechanism 12 is used to remove the damaged battery cells from the second conveyor belt 8.

[0059] Reference Figure 2 and Figure 6 The inspection mechanism 12 includes an inspection frame 121 and a screening frame 122 bolted to the bracket 6. The inspection frame 121 is located above the second conveyor belt 8. A vision camera 123 electrically connected to the control system is bolted to the inspection frame 121. A second linear module 124 electrically connected to the control system is bolted to the screening frame 122. The second linear module 124 can be a ball screw linear module in the prior art.

[0060] Reference Figure 2 andFigure 6 The slider of the second linear module 124 is bolted with a loss removal suction cup 125 that is electrically connected to the control system. The loss removal suction cup 125 is electrically connected to the control system and is used to pick up the battery cells on the second conveyor belt 8. A storage box 126 with a hollow interior and an open top is placed on the bracket 6 and below the viewing screen frame 122.

[0061] During the process of the battery cells being conveyed from the third conveyor belt 112 to the second conveyor belt 8, the vision camera 123 will feed back the status of the battery cells on the second conveyor belt 8 to the control system. When the vision camera 123 detects that the battery cells on the second conveyor belt 8 are damaged, and the damaged battery cells move directly below the second linear module 124, the control system will activate the damage removal suction cup 125.

[0062] The suction force generated by the transfer suction cup 125 picks up the battery cells on the second conveyor belt 8 and fixes them on the transfer suction cup 125. Then, the control system starts the second linear module 124. The slider on the second linear module 124 moves the damaged battery cells to the storage box 126 through the transfer suction cup 125. At the same time, the second linear module 124 controls the transfer suction cup 125 to classify the battery cells with different damage conditions.

[0063] Reference Figure 6 The support 6 is equipped with a patching mechanism 13, which is used to fill the empty positions on the second conveyor belt 8 with battery cells.

[0064] Reference Figure 2 and Figure 6 The patching mechanism 13 includes a patch holder 131 bolted to the bracket 6. A third linear module 132 electrically connected to the control system is bolted to the patch holder 131. The third linear module 132 can be a ball screw linear module in the prior art. The third linear module 132 is located above the second conveyor belt 8. A patch suction cup 133 electrically connected to the control system is bolted to the slider of the third linear module 132. The patch suction cup 133 is electrically connected to the control system.

[0065] Reference Figure 2 and Figure 6 A patch frame 134 is bolted to the bracket 6. A second storage rack 135 is arranged on the patch frame 134. The structure of the first storage rack 9 is exactly the same as that of the second storage rack 135. The second storage rack 135 is also positioned on the patch frame 134 by a vertical positioning pin. A patch cylinder 136 electrically connected to the control system is bolted to the patch frame 134. The piston rod of the patch cylinder 136 is used to lift the stacked battery cells on the second storage rack 135 closer to the patch suction cup 133.

[0066] When the empty position on the second conveyor belt 8 moves to directly below the third linear module 132, the first linear module 104 stops working, the control system starts the third linear module 132, and the slider on the third linear module 132 uses the suction force of the patch suction cup 133 to transfer the battery cell to directly above the second conveyor belt 8. Subsequently, the patch suction cup 133 loses its suction force, and the battery cell falls to the empty position on the second conveyor belt 8.

[0067] The slider on the third linear module 132 will drive the patch suction cup 133 to reset. Then, the control system will start the patch electric cylinder 136. The piston rod of the patch electric cylinder 136 will lift the stacked battery cells on the second storage rack 135 and bring them close to the patch suction cup 133. Subsequently, the patch suction cup 133 will generate suction and pick up another battery cell.

[0068] Reference Figure 2 , Figure 3 and Figure 7 An anti-tilt frame 17 is bolted to the bottom of the bracket 6. A lifting platform 18 is vertically slidably arranged on the anti-tilt frame 17. A lifting screw 19 is rotatably connected to the anti-tilt frame 17. A lifting motor 20 electrically connected to the control system is bolted to the anti-tilt frame 17. The lifting screw 19 is coaxially bolted to the output shaft of the lifting motor 20.

[0069] Reference Figure 7 The lifting platform 18 is threadedly connected to the lifting screw 19. A rodless cylinder 21 is bolted to the lifting platform 18 and is placed horizontally. The rodless cylinder 21 is electrically connected to the control system. A vertical rod 22 is bolted to the slider of the rodless cylinder 21. Anti-tilt rods 23 are rotatably connected to both sides of the top of the rod 22 in the vertical direction. A linkage block 24 is integrally formed on the top of the anti-tilt rod 23.

[0070] Reference Figure 4 and Figure 7 The top and bottom edges of the linkage block 24 facing away from the upright 22 are chamfered 25. The bottom of the first tablet storage rack 9 is provided with a dropping groove 26. The chamfered surface of the linkage block 24 is used to abut and slide with the edge of the dropping groove 26 on the first tablet storage rack 9.

[0071] When a worker needs to maintain the first film storage rack 9, the slider on the rodless cylinder 21 moves the upright 22 to directly below the first film storage rack 9 that needs maintenance. Then, the control system starts the lifting motor 20, and the output shaft of the lifting motor 20 drives the lifting screw 19 to rotate. The lifting screw 19 drives the lifting platform 18 to rise.

[0072] As the top of the upright 22 abuts against the bottom of the first tablet holder 9, the chamfer 25 at the top of the linkage block 24 on the anti-tilt bar 23 abuts against the bottom edge of the first tablet holder 9. During this process, the anti-tilt bar 23 rotates continuously until the linkage block 24 on the anti-tilt bar 23 rotates into the dropping groove 26 at the bottom of the first tablet holder 9, thereby restricting the first tablet holder 9 to the upright 22.

[0073] As the upright 22 rises, it lifts the first film storage rack 9 at its top, thus separating the first film storage rack 9 to be maintained from the surrounding first film storage racks 9, making it easier for workers to perform maintenance. After maintenance is completed, the upright 22 lifts the first film storage rack 9 back onto the moving frame 102. As the upright 22 continues to descend, the chamfer 25 at the bottom of the linkage block 24 on the anti-tilt bar 23 abuts against the edge of the drop block groove 26, causing the anti-tilt bar 23 to rotate until the upright 22 moves below the moving frame 102, thus completing the maintenance work on the first film storage rack 9.

[0074] The implementation principle of the battery cell edge passivation unloading and testing sorting processing production line in this application embodiment is as follows: the transfer robot 2 first transfers the material box 4 containing battery cells in the storage box 1 to the battery cell loading and unloading mechanism 5. Then, the cell picking robot 3 transfers the battery cells stacked on the material box 4 on the battery cell loading and unloading mechanism 5 to the first cell storage rack 9 on the support 6.

[0075] Subsequently, the transfer robot 2 moves the empty material box 4 on the battery cell loading and unloading mechanism 5 into the cleaning box 14. By repeatedly moving the material box 4 up and down, the debris attached to the surface of the material box 4 is removed by the brush 15. At the same time, the airflow blown from the air nozzle 16 blows clean the areas on the surface of the material box 4 that are difficult to be cleaned by the brush 15, thereby reducing the contamination of the battery cells by the material box 4 during subsequent reuse.

[0076] After the cells stacked on the material box 4 are transferred to the first cell storage rack 9 on the support 6, the control system starts the transfer motor 1032. The output shaft of the transfer motor 1032 rotates in the forward or reverse direction, thereby causing the rack 1031 to drive the transfer frame 102 to slide back and forth on the support 6. The sliding transfer frame 102 moves the cells stacked on the first cell storage rack 9 to directly above the piston rod of the lifting cylinder 106.

[0077] The slider of the first linear module 104 drives the cell transfer suction cup 105 to move directly above the lifting cylinder 106. Then the control system starts the lifting cylinder 106. The piston rod of the lifting cylinder 106 pushes the stacked cells on the first cell storage rack 9 to rise and approach the cell transfer suction cup 105 to a suitable distance. At this time, airflow is sprayed from multiple air nozzles 1072. The airflow blows air onto the contact position of the top two cells of the stacked cells.

[0078] The airflow will lift the topmost battery cell, and the suction generated on the transfer suction cup 105 will adsorb and fix the topmost battery cell. At this time, the lower surface of the battery cell on the transfer suction cup 105 is higher than the top of the first storage rack 9. Finally, the slider of the first linear module 104 transfers the battery cell to the top of the first conveyor belt 7 through the transfer suction cup 105.

[0079] Subsequently, the control system activates the pitch adjustment cylinder 28. The piston rod of the pitch adjustment cylinder 28 drives the cell transfer suction cup 105 on it to move, so that the distance between the two cell transfer suction cups 105 on the slider of the first linear module 104 is equal to the distance between the two adjacent first conveyor belts 7. Finally, the cell transfer suction cup 105 loses its suction force, and the battery cell falls onto the first conveyor belt 7.

[0080] During the process of conveying the battery cells from the first conveyor belt 7 to the third conveyor belt 112, the ultrasonic sensor 116 on the screening plate 115 will feed back the thickness of the battery cells to the control system until the battery cells detected by the ultrasonic sensor 116 in a single instance have completely moved onto the third conveyor belt 112. When the feedback thickness value is greater than the thickness of a single battery cell and the battery cells on the third conveyor belt 112 trigger the photoelectric sensor 118.

[0081] The control system stops rotating the first conveyor belt 7 and starts the screen cylinder 113. The piston rod of the screen cylinder 113 retracts, and the screen frame 111 rotates around its rotation center, so that the end of the screen frame 111 facing away from its rotation center tilts downward, thereby causing the battery cells on the third conveyor belt 112 to slide into the temporary storage box 114. After that, the piston rod of the screen cylinder 113 pushes the screen frame 111 to rotate in the opposite direction to reset, thereby removing the stacked battery cells.

[0082] During the process of conveying the battery cells from the third conveyor belt 112 to the second conveyor belt 8, the vision camera 123 will feed back the status of the battery cells on the second conveyor belt 8 to the control system. When the vision camera 123 detects that the battery cells on the second conveyor belt 8 are stacked and misaligned, and the stacked and misaligned battery cells move to the direct under the second linear module 124, the control system will activate the displacement suction cup 125.

[0083] The suction force generated by the transfer suction cup 125 picks up the battery cells on the second conveyor belt 8 and fixes them on the transfer suction cup 125. Then, the control system starts the second linear module 124. The slider on the second linear module 124 moves the damaged battery cells to the storage box 126 through the transfer suction cup 125. At the same time, the second linear module 124 controls the transfer suction cup 125 to classify the battery cells with different damage conditions.

[0084] When the empty position on the second conveyor belt 8 moves to directly below the third linear module 132, the first linear module 104 stops working, the control system starts the third linear module 132, and the slider on the third linear module 132 uses the suction force of the patch suction cup 133 to transfer the battery cell to directly above the second conveyor belt 8. Subsequently, the patch suction cup 133 loses its suction force, and the battery cell falls to the empty position on the second conveyor belt 8.

[0085] The slider on the third linear module 132 will drive the patch suction cup 133 to reset. Then, the control system will start the patch electric cylinder 136. The piston rod of the patch electric cylinder 136 will lift the stacked battery cells on the second storage rack 135 and bring them close to the patch suction cup 133. Subsequently, the patch suction cup 133 will generate suction and pick up another battery cell.

[0086] When a worker needs to maintain the first film storage rack 9, the slider on the rodless cylinder 21 moves the upright 22 to directly below the first film storage rack 9 that needs maintenance. Then, the control system starts the lifting motor 20, and the output shaft of the lifting motor 20 drives the lifting screw 19 to rotate. The lifting screw 19 drives the lifting platform 18 to rise.

[0087] As the top of the upright 22 abuts against the bottom of the first tablet holder 9, the chamfer 25 at the top of the linkage block 24 on the anti-tilt bar 23 abuts against the bottom edge of the first tablet holder 9. During this process, the anti-tilt bar 23 rotates continuously until the linkage block 24 on the anti-tilt bar 23 rotates into the dropping groove 26 at the bottom of the first tablet holder 9, thereby restricting the first tablet holder 9 to the upright 22.

[0088] As the upright 22 rises, it lifts the first film storage rack 9 at its top, thus separating the first film storage rack 9 to be maintained from the surrounding first film storage racks 9, making it easier for workers to perform maintenance. After maintenance is completed, the upright 22 lifts the first film storage rack 9 back onto the moving frame 102. As the upright 22 continues to descend, the chamfer 25 at the bottom of the linkage block 24 on the anti-tilt bar 23 abuts against the edge of the drop block groove 26, causing the anti-tilt bar 23 to rotate until the upright 22 moves below the moving frame 102, thus completing the maintenance work on the first film storage rack 9.

[0089] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A battery cell edge passivation unloading and testing sorting processing line, comprising a storage box (1), a transfer robot (2), and a cell picking robot (3), wherein the storage box (1) contains several material boxes (4), and battery cells are stacked on the material boxes (4), and a battery cell loading and unloading mechanism (5) is provided between the transfer robot (2) and the cell picking robot (3), characterized in that: A support (6) is provided next to the wafer-picking robot (3). A first conveyor belt (7) and a second conveyor belt (8) are rotatably mounted on the support (6). A first wafer storage rack (9) is arranged on the support (6). The wafer-picking robot (3) is used to transfer the wafers stacked on the material box (4) of the wafer loading and unloading mechanism (5) to the first wafer storage rack (9). A wafer-shifting mechanism (10) is provided on the support (6). The wafer-shifting mechanism (10) is used to sequentially transfer the wafers stacked on the first wafer storage rack (9). The cells are moved to the first conveyor belt (7). A screening and weighing mechanism (11) is provided between the first conveyor belt (7) and the second conveyor belt (8). The screening and weighing mechanism (11) is used to remove the repeatedly stacked battery cells on the first conveyor belt (7). A visual inspection mechanism (12) and a patching mechanism (13) are provided on the bracket (6). The visual inspection mechanism (12) is used to remove the damaged battery cells on the second conveyor belt (8). The patching mechanism (13) is used to fill the empty positions on the second conveyor belt (8) with battery cells.

2. The battery cell edge passivation blanking and testing sorting feeding production line according to claim 1, characterized in that: The sheet-shifting mechanism (10) includes a gantry frame (101) mounted on the support (6), a shift frame (102) slidably mounted on the support (6), a plurality of first sheet storage racks (9) evenly arranged on the shift frame (102), a reciprocating component (103) for driving the shift frame (102) to slide back and forth on the support (6), and a first linear module (104) electrically connected to the control system is mounted on the gantry frame (101) and located above the first conveyor belt (7). The slider of the first linear module (104) is provided with a cell transfer chuck (105) electrically connected to the control system. The support (6) and located directly below the first linear module (104) is provided with a lifting cylinder (106) electrically connected to the control system. The piston rod of the lifting cylinder (106) is used to lift the stacked cells on the first cell storage rack (9) close to the cell transfer chuck (105). The support (6) is provided with a slitting component (107) for sequentially slitting the stacked cells.

3. The battery cell edge passivation blanking and testing sorting feeding production line according to claim 2, characterized in that: The reciprocating component (103) includes a rack (1031) disposed on the transfer frame (102), and a transfer motor (1032) electrically connected to the control system is disposed on the bracket (6). A transfer gear (1033) that meshes with the rack (1031) is disposed on the output shaft of the transfer motor (1032).

4. The battery cell edge passivation blanking and testing sorting feeding production line according to claim 2, characterized in that: The segmentation component (107) includes an air blowing frame (1071) disposed on the support (6). The air blowing frame (1071) is provided with a plurality of air blowing nozzles (1072). The plurality of air blowing nozzles (1072) are evenly distributed around the stacked battery cells. The air outlet of the air blowing nozzles (1072) points to the contact position of the top two battery cells of the stacked battery cells.

5. A battery cell edge passivation blanking and testing sorting feeding production line according to claim 2, characterized in that: The screening and weighing mechanism (11) includes a screen frame (111) rotatably mounted on the support (6), a third conveyor belt (112) rotatably mounted on the screen frame (111), the third conveyor belt (112) being located between the first conveyor belt (7) and the second conveyor belt (8), a screen cylinder (113) electrically connected to the control system rotatably mounted on the support (6), one end of the screen frame (111) facing away from its rotation center being connected to the piston rod of the screen cylinder (113), and a hollow, open-top temporary storage box (114) being mounted on the support (6). The end of the sieve frame (111) facing away from its rotation center is used to rotate to the top opening of the temporary storage box (114). A sieve weight plate (115) is provided on the support (6) between the first conveyor belt (7) and the third conveyor belt (112). An ultrasonic sensor (116) electrically connected to the control system is provided on the sieve weight plate (115). A trigger plate (117) is provided on the support (6) between the third conveyor belt (112) and the second conveyor belt (8). A photoelectric sensor (118) electrically connected to the control system is provided on the trigger plate (117).

6. The battery cell edge passivation blanking and testing sorting feeding production line according to claim 1, characterized in that: The inspection mechanism (12) includes an inspection frame (121) and a screening frame (122) mounted on the support (6). The inspection frame (121) is located above the second conveyor belt (8). A visual camera (123) electrically connected to the control system is mounted on the inspection frame (121). A second linear module (124) electrically connected to the control system is mounted on the screening frame (122). A loss-removing suction cup (125) electrically connected to the control system is mounted on the slider of the second linear module (124). The loss-removing suction cup (125) is used to pick up the battery cells on the second conveyor belt (8). A hollow storage box (126) with an open top is mounted on the support (6) and located below the screening frame (122).

7. A battery cell edge passivation blanking and testing sorting feeding production line according to claim 6, characterized in that: The patching mechanism (13) includes a patching frame (131) disposed on the support (6). A third linear module (132) electrically connected to the control system is disposed on the patching frame (131). The third linear module (132) is located above the second conveyor belt (8). A patching suction cup (133) electrically connected to the control system is disposed on the slider of the third linear module (132). A patching frame (134) is disposed on the support (6). A second storage rack (135) is arranged on the patching frame (134). The structure of the first storage rack (9) is exactly the same as that of the second storage rack (135). A patching electric cylinder (136) electrically connected to the control system is disposed on the patching frame (134). The piston rod of the patching electric cylinder (136) is used to lift the stacked battery cells on the second storage rack (135) closer to the patching suction cup (133).

8. The battery cell edge passivation blanking and testing sorting feeding production line according to claim 1, characterized in that: A cleaning box (14) with a hollow interior and an open top is provided between the transfer robot (2) and the storage box (1). A brush (15) and an air nozzle (16) are provided at the open top end of the cleaning box (14). The air outlet of the air nozzle (16) is used to point to the open end of the cleaning box (14).

9. A battery cell edge passivation blanking and testing sorting feeding production line according to claim 3, characterized in that: An anti-tilt frame (17) is provided at the bottom of the bracket (6). A lifting platform (18) is vertically slidably mounted on the anti-tilt frame (17). A lifting screw (19) is rotatably mounted on the anti-tilt frame (17). A lifting motor (20) electrically connected to the control system is mounted on the anti-tilt frame (17). The lifting screw (19) is coaxially mounted on the output shaft of the lifting motor (20). The lifting platform (18) is threadedly connected to the lifting screw (19). A rodless cylinder (21) electrically connected to the control system is mounted on the lifting platform (18). A vertical rod (22) is provided on the slider of the cylinder (21). Anti-tilt rods (23) are rotatably provided on both sides of the vertical rod (22). A linkage block (24) is provided on the top of the anti-tilt rod (23). The top and bottom edges of the linkage block (24) facing away from the vertical rod (22) are chamfered (25). A block dropping groove (26) is provided at the bottom of the first storage rack (9). The inclined surface of the chamfer (25) on the linkage block (24) is used to abut and slide with the edge of the block dropping groove (26) on the first storage rack (9).

10. A battery cell edge passivation blanking and testing sorting feeding production line according to claim 5, characterized in that: Multiple first conveyor belts (7) and second conveyor belts (8) are arranged on the bracket (6). The first conveyor belts (7) and second conveyor belts (8) correspond one-to-one. An adjusting plate (27) is provided on the slider of the first linear module (104). An adjusting cylinder (28) electrically connected to the control system is provided on the adjusting plate (27). One shifting suction cup (105) is arranged on the piston rod of the adjusting plate (27) and the adjusting cylinder (28).

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