Battery cell tab flexible cutting device

Abstract

The utility model discloses a kind of battery tab flexibility cutting device, comprising: positioning assembly, visual component, cutting assembly and moving assembly;The positioning assembly is used to position battery, visual component is used to detect the tab position of battery, according to the detection result of visual component, the moving assembly moves cutting assembly to the cutting position of battery tab;The cutting assembly includes: driving part, cutting pressure plate and cutting tool;The output end of driving part is connected cutting pressure plate, the cutting pressure plate is located above battery tab, the cutting tool is located below battery tab, under the driving of driving part, the cutting pressure plate presses battery tab downwards, so that cutting tool cuts battery tab.The utility model can guarantee the size accuracy consistency of battery tab after cutting, moves cutting assembly after detection by visual component, so that cutting assembly can cut different specifications battery tab.

Description

Technical Field

[0001] This utility model relates to the field of battery cell production technology, and in particular to a flexible cutting device for battery cell tabs. Background Technology

[0002] The battery cell is the smallest power generation unit of a lithium battery, responsible for storing and releasing electrical energy, and is a core component of the battery pack. The battery cell tabs are mainly used for current introduction and extraction, connecting the internal electrodes of the cell to the external circuitry. During the manufacturing process, the battery cell tabs need to be cut. Existing cutting devices cannot guarantee the consistency of tab dimensional accuracy after cutting, and the cutting devices are weak and lack stability. Furthermore, compatibility with multiple product specifications requires replacing a large number of parts and involves a cumbersome debugging process, making it incompatible with the cutting of different product specifications. Summary of the Invention

[0003] According to an embodiment of the present invention, a flexible cutting device for battery cell tabs is provided, comprising: a positioning component, a vision component, a cutting component, and a moving component;

[0004] The positioning component is used to position the battery cell, the vision component is used to detect the position of the battery cell's tabs, and based on the detection result of the vision component, the moving component moves the cutting component to the cutting position of the battery cell's tabs.

[0005] The cutting assembly includes: a drive unit, a cutting pressure plate, and a cutting blade;

[0006] The output end of the drive unit is connected to the cutting pressure plate, which is located above the battery cell tab and the cutting blade is located below the battery cell tab. Under the drive of the drive unit, the cutting pressure plate presses down on the battery cell tab, causing the cutting blade to cut the battery cell tab.

[0007] Furthermore, the cutting assembly includes: a cutting frame, a cutting top plate, a cutting bottom plate, a telescopic column, and a return spring;

[0008] The driving component is fixed to the top of the cutting frame, and the output end of the driving component is connected to the cutting top plate. The cutting top plate slides inside the cutting frame. The cutting pressure plate is fixed below the cutting top plate. The cutting bottom plate is fixed to the bottom of the cutting frame. The cutting blade is fixed to the cutting bottom plate. The telescopic column connects the cutting top plate and the cutting bottom plate. The return spring is sleeved on the telescopic column.

[0009] Furthermore, the cutting assembly also includes: a waste nozzle, a waste pipe, and a waste bin;

[0010] The cutting base plate has a waste inlet, which is set corresponding to the cutting tool. The suction end of the waste nozzle is connected to the waste inlet and is used to suck up the waste generated during cutting. The waste pipe is connected to the discharge end of the waste nozzle and the waste box.

[0011] Furthermore, the vision component includes: a support rod and a vision camera;

[0012] The vision camera is fixed on the support rod, and the vision camera is located above the battery cell, with the shooting end of the vision camera facing the battery cell.

[0013] Furthermore, the vision component also includes: a light source mechanism;

[0014] The light source mechanism is located below the battery cell and is oriented towards the battery cell.

[0015] Furthermore, the moving component includes: a lateral mechanism and a longitudinal mechanism;

[0016] The longitudinal mechanism is located at the output end of the transverse mechanism. The output end of the longitudinal mechanism is connected to the cutting component. The transverse mechanism is used to drive the longitudinal mechanism to move laterally, and the longitudinal mechanism is used to drive the cutting component to move longitudinally.

[0017] Furthermore, the lateral mechanism includes: a lateral base plate, a lateral slide rail, a lateral sliding plate, a lateral lead screw, and a lateral motor;

[0018] The transverse slide rail is mounted on the transverse base plate, and a transverse slide plate slides on the transverse slide rail. A transverse lead screw is connected to the transverse slide plate, and the output end of the transverse motor is connected to the transverse lead screw. The longitudinal mechanism is fixed on the transverse slide plate.

[0019] Furthermore, the longitudinal mechanism includes: a longitudinal slide rail, a longitudinal slide plate, a longitudinal lead screw, and a longitudinal motor;

[0020] The longitudinal slide rail is fixed on the transverse slide plate, and the longitudinal slide plate is slidably mounted on the longitudinal slide rail. A longitudinal lead screw is connected to the longitudinal slide plate, and the output end of the longitudinal motor is connected to the longitudinal lead screw. The cutting assembly is fixed on the longitudinal slide plate.

[0021] Furthermore, the positioning component includes: a positioning plate and a clamping mechanism;

[0022] The battery cell is mounted on a positioning plate, and multiple clamping mechanisms are fixed on the positioning plate. The multiple clamping mechanisms position the battery cell from at least three directions.

[0023] Furthermore, the clamping mechanism includes: a clamping cylinder, a connecting plate, and a clamping plate;

[0024] The output of the clamping cylinder is fixed with a connecting plate, and the clamping plate is fixed on the connecting plate. The clamping plate is used to position the battery cell.

[0025] According to an embodiment of the present invention, a flexible cutting device for battery cell tabs is provided. The device uses a positioning component to position the battery cell to be cut, a vision component to visually inspect the battery cell on the positioning component, and a moving component to move the cutting component according to the detection results of the vision component. The cutting component is moved to the cutting position for the battery cell tabs, and a driving component drives the cutting plate to press down on the battery cell tabs, causing the cutting blade to cut the battery cell tabs. After cutting, the vision component inspects the battery cell tabs again to ensure consistent dimensional accuracy of the tabs after cutting. The cutting component is moved after inspection by the vision component, enabling it to cut battery cell tabs of different specifications.

[0026] It should be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further illustration of the claimed technology. Attached Figure Description

[0027] Figure 1 This is a structural diagram of a flexible cutting device for battery cell tabs according to an embodiment of the present invention;

[0028] Figure 2 This is a side view of a flexible cutting device for battery cell tabs according to an embodiment of the present invention;

[0029] Figure 3 This is a cross-sectional view of a flexible cutting device for battery cell tabs according to an embodiment of the present invention;

[0030] Figure 4 This is a structural diagram of a moving assembly of a flexible cutting device for battery cell tabs according to an embodiment of the present invention;

[0031] Figure 5 This is a top view of a moving assembly of a flexible cutting device for battery cell tabs according to an embodiment of the present invention;

[0032] Figure 6 This is a structural diagram of a positioning component of a flexible cutting device for battery cell tabs according to an embodiment of the present invention.

[0033] The attached figures are labeled as follows: 1 is the positioning component, 11 is the positioning plate, 12 is the clamping cylinder, 13 is the connecting plate, 14 is the clamping plate, 2 is the vision component, 21 is the support rod, 22 is the vision camera, 23 is the light source mechanism, 3 is the cutting component, 31 is the driving component, 32 is the cutting pressure plate, 33 is the cutting knife, 34 is the cutting frame, 35 is the cutting top plate, 36 is the telescopic column, 37 is the return spring, 38 is the cutting bottom plate, 4 is the moving component, 41 is the transverse bottom plate, 42 is the transverse slide rail, 43 is the transverse sliding plate, 44 is the transverse lead screw, 45 is the transverse motor, 46 is the longitudinal slide rail, 47 is the longitudinal sliding plate, 48 is the longitudinal lead screw, 49 is the longitudinal motor, 51 is the waste nozzle, 52 is the waste pipe, and 53 is the waste bin. Detailed Implementation

[0034] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, further illustrating the present invention.

[0035] First, combine Figures 1-6 This invention describes a flexible cutting device for battery cell tabs according to an embodiment of the present invention, used for cutting the tabs of battery cells.

[0036] like Figures 1-6 As shown, a flexible cutting device for battery cell tabs according to an embodiment of the present invention includes: a positioning component 1, a vision component 2, a cutting component 3, and a moving component 4;

[0037] The positioning component 1 is used to position the battery cell, the vision component 2 is used to detect the position of the battery cell's tabs, and according to the detection result of the vision component 2, the moving component 4 moves the cutting component 3 to the cutting position of the battery cell's tabs.

[0038] The cutting assembly 3 includes: a drive unit 31, a cutting pressure plate 32, and a cutting blade 33;

[0039] The output end of the drive unit 31 is connected to the cutting pressure plate 32. The cutting pressure plate 32 is located above the battery cell tab, and the cutting blade 33 is located below the battery cell tab. Under the drive of the drive unit 31, the cutting pressure plate 32 presses down on the battery cell tab, so that the cutting blade 33 cuts the battery cell tab.

[0040] This application uses positioning component 1 to position the battery cell to be cut, vision component 2 to visually inspect the battery cell on positioning component 1, and moving component 4 to move cutting component 3 according to the inspection result of vision component 2, moving cutting component 3 to the cutting position of battery cell tab, driving cutting plate 32 to press down battery cell tab through driving component 31, so that cutting tool 33 cuts battery cell tab. After cutting, vision component 2 inspects battery cell tab again, records cutting accuracy and uploads it to MES system to achieve data tracking and processing, and ensures the consistency of tab size accuracy after battery cell cutting. After inspection by vision component 2, cutting component 3 is moved so that cutting component 3 can cut battery cell tabs of different specifications.

[0041] In this embodiment, the cutting tool 33 can be a V-angle blade or a straight-edge blade, which is compatible with multiple product specifications and different V-angle requirements.

[0042] like Figures 1-3 As shown, the cutting assembly 3 includes: a cutting frame 34, a cutting top plate 35, a cutting bottom plate 38, a telescopic column 36, and a return spring 37;

[0043] The driving component 31 is fixed to the top of the cutting frame 34. The output end of the driving component 31 is connected to the cutting top plate 35. The cutting top plate 35 slides inside the cutting frame 34. The cutting pressure plate 32 is fixed below the cutting top plate 35. The cutting bottom plate 38 is fixed to the bottom of the cutting frame 34. The cutting blade 33 is fixed on the cutting bottom plate 38. The telescopic column 36 connects the cutting top plate 35 and the cutting bottom plate 38. The return spring 37 is sleeved on the telescopic column 36.

[0044] In this embodiment, during the process of driving the cutting plate 32 to descend by the driving member 31, the telescopic column 36 retracts and compresses the reset spring 37. After the battery cell tabs are cut, the elastic force of the reset spring 37 resets the cutting top plate 35.

[0045] like Figures 1-3 As shown, the cutting assembly 3 also includes: a waste nozzle 51, a waste pipe 52, and a waste bin 53;

[0046] The cutting base plate 38 has a waste outlet, which is set corresponding to the cutting tool 33. The suction end of the waste nozzle 51 is connected to the waste outlet and is used to suck up the waste generated during cutting. The waste pipe 52 connects the discharge end of the waste nozzle 51 to the waste box 53.

[0047] In this embodiment, the waste nozzle 51 is connected to a negative pressure device, which generates negative pressure to draw the waste generated during the cutting process into the waste pipe 52, and then the waste is passed into the waste bin 53 for collection through the waste pipe 52.

[0048] like Figures 1-3 As shown, the vision component 2 includes: a support rod 21, a vision camera 22, and a light source mechanism 23;

[0049] The vision camera 22 is fixed on the support rod 21. The vision camera 22 is located above the battery cell, and the shooting end of the vision camera 22 is set towards the battery cell.

[0050] The light source mechanism 23 is located below the battery cell and is oriented towards the battery cell.

[0051] After the positioning component 1 positions the battery cell, the light source mechanism 23 is turned on, and the light source mechanism 23 illuminates the battery cell, enabling the vision camera 22 to clearly detect the battery cell and ensure the consistency of the electrode size accuracy after the battery cell is cut.

[0052] like Figures 4-5 As shown, the moving component 4 includes: a lateral mechanism and a longitudinal mechanism;

[0053] The longitudinal mechanism is located at the output end of the transverse mechanism. The output end of the longitudinal mechanism is connected to the cutting component 3. The transverse mechanism is used to drive the longitudinal mechanism to move laterally, and the longitudinal mechanism is used to drive the cutting component 3 to move longitudinally.

[0054] The transverse mechanism includes: a transverse base plate 41, a transverse slide rail 42, a transverse sliding plate 43, a transverse lead screw 44, and a transverse motor 45;

[0055] The transverse slide rail 42 is mounted on the transverse base plate 41. A transverse slide plate 43 is slidably mounted on the transverse slide rail 42. A transverse lead screw 44 is connected to the transverse slide plate 43. The output end of the transverse motor 45 is connected to the transverse lead screw 44. The longitudinal mechanism is fixed on the transverse slide plate 43.

[0056] The longitudinal mechanism includes: a longitudinal slide rail 46, a longitudinal slide plate 47, a longitudinal lead screw 48, and a longitudinal motor 49;

[0057] The longitudinal slide rail 46 is fixed on the transverse slide plate 43. A longitudinal slide plate 47 is slidably mounted on the longitudinal slide rail 46. A longitudinal lead screw 48 is connected to the longitudinal slide plate 47. The output end of the longitudinal motor 49 is connected to the longitudinal lead screw 48. The cutting assembly 3 is fixed on the longitudinal slide plate 47.

[0058] In this embodiment, the cutting component 3 is adjusted laterally and longitudinally by the lateral mechanism and the longitudinal mechanism respectively, moving the cutting component 3 to the cutting position for the battery cell tabs, so that the cutting component 3 can cut battery cell tabs of different specifications.

[0059] like Figure 6 As shown, the positioning component 1 includes a positioning plate 11 and a clamping plate 14 mechanism;

[0060] The battery cell is mounted on a positioning plate 11, and a plurality of clamping plate 14 mechanisms are fixed on the positioning plate 11. The plurality of clamping plate 14 mechanisms position the battery cell from at least three directions.

[0061] The clamping plate 14 mechanism includes: clamping plate 14 cylinder 12, connecting plate 13 and clamping plate 14;

[0062] The output of the cylinder 12 is fixed to the clamping plate 14 and the connecting plate 13. The clamping plate 14 is fixed on the connecting plate 13 and is used to position the battery cell.

[0063] The connecting plate 13 is moved by the cylinder 12 driving the clamping plate 14, so that the clamping plates 14 in three directions position the battery cell, preventing the battery cell from moving during the cutting process and ensuring the consistency of the electrode tab size accuracy after the battery cell is cut.

[0064] Above, refer to Figures 1-6This application describes a flexible cutting device for battery cell tabs according to an embodiment of the present invention. The device uses a positioning component 1 to position the battery cell to be cut, a vision component 2 to visually inspect the battery cell on the positioning component 1, and a moving component 4 to move the cutting component 3 according to the inspection result of the vision component 2. The cutting component 3 is moved to the cutting position for the battery cell tabs. A driving component 31 drives a cutting pressure plate 32 to press down on the battery cell tabs, causing the cutting blade 33 to cut the battery cell tabs. After cutting, the vision component 2 inspects the battery cell tabs again to ensure consistent dimensional accuracy of the tabs after cutting. The cutting component 3 is moved after inspection by the vision component 2, enabling it to cut battery cell tabs of different specifications.

[0065] It should be noted that, in this specification, the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes said element.

[0066] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as a limitation of the present invention. Various modifications and substitutions to the present invention will be apparent to those skilled in the art after reading the above content. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims

1. A flexible cutting device for battery cell tabs, characterized in that, include: Positioning components, visual components, cropping components, and moving components; The positioning component is used to position the battery cell, the vision component is used to detect the position of the battery cell's tabs, and based on the detection result of the vision component, the moving component moves the cutting component to the cutting position of the battery cell's tabs. The cutting assembly includes: a drive unit, a cutting pressure plate, and a cutting blade; The output end of the drive unit is connected to the cutting pressure plate, which is located above the battery cell tab and the cutting blade is located below the battery cell tab. Under the drive of the drive unit, the cutting pressure plate presses down on the battery cell tab, causing the cutting blade to cut the battery cell tab.

2. The flexible cutting device for battery cell tabs as described in claim 1, characterized in that, The cutting assembly includes: a cutting frame, a cutting top plate, a cutting bottom plate, a telescopic column, and a return spring; The driving component is fixed to the top of the cutting frame, and the output end of the driving component is connected to the cutting top plate. The cutting top plate slides inside the cutting frame. The cutting pressure plate is fixed below the cutting top plate. The cutting bottom plate is fixed to the bottom of the cutting frame. The cutting blade is fixed to the cutting bottom plate. The telescopic column connects the cutting top plate and the cutting bottom plate. The return spring is sleeved on the telescopic column.

3. The flexible cutting device for battery cell tabs as described in claim 2, characterized in that, The cutting assembly also includes: a waste nozzle, a waste pipe, and a waste bin; The cutting base plate has a waste inlet, which is set corresponding to the cutting tool. The suction end of the waste nozzle is connected to the waste inlet and is used to suck up the waste generated during cutting. The waste pipe is connected to the discharge end of the waste nozzle and the waste box.

4. The flexible cutting device for battery cell tabs as described in claim 1, characterized in that, The vision component includes: a support rod and a vision camera; The vision camera is fixed on the support rod, and the vision camera is located above the battery cell, with the shooting end of the vision camera facing the battery cell.

5. The flexible cutting device for battery cell tabs as described in claim 4, characterized in that, The vision component also includes: a light source mechanism; The light source mechanism is located below the battery cell and is oriented towards the battery cell.

6. The flexible cutting device for battery cell tabs as described in claim 1, characterized in that, The moving component includes: a lateral mechanism and a longitudinal mechanism; The longitudinal mechanism is located at the output end of the transverse mechanism. The output end of the longitudinal mechanism is connected to the cutting component. The transverse mechanism is used to drive the longitudinal mechanism to move laterally, and the longitudinal mechanism is used to drive the cutting component to move longitudinally.

7. The flexible cutting device for battery cell tabs as described in claim 6, characterized in that, The transverse mechanism includes: a transverse base plate, a transverse slide rail, a transverse sliding plate, a transverse lead screw, and a transverse motor; The transverse slide rail is mounted on the transverse base plate, and a transverse slide plate slides on the transverse slide rail. A transverse lead screw is connected to the transverse slide plate, and the output end of the transverse motor is connected to the transverse lead screw. The longitudinal mechanism is fixed on the transverse slide plate.

8. The flexible cutting device for battery cell tabs as described in claim 7, characterized in that, The longitudinal mechanism includes: a longitudinal slide rail, a longitudinal sliding plate, a longitudinal lead screw, and a longitudinal motor; The longitudinal slide rail is fixed on the transverse slide plate, and the longitudinal slide plate is slidably mounted on the longitudinal slide rail. A longitudinal lead screw is connected to the longitudinal slide plate, and the output end of the longitudinal motor is connected to the longitudinal lead screw. The cutting assembly is fixed on the longitudinal slide plate.

9. The flexible cutting device for battery cell tabs as described in claim 1, characterized in that, The positioning component includes: a positioning plate and a clamping mechanism; The battery cell is mounted on a positioning plate, and multiple clamping mechanisms are fixed on the positioning plate. The multiple clamping mechanisms position the battery cell from at least three directions.

10. The flexible cutting device for battery cell tabs as described in claim 9, characterized in that, The clamping mechanism includes: a clamping cylinder, a connecting plate, and a clamping plate; The output of the clamping cylinder is fixed with a connecting plate, and the clamping plate is fixed on the connecting plate. The clamping plate is used to position the battery cell.

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