Battery cell tab deviation rectifying device

By using an automated cell tab correction device, the position of the tabs is identified and adjusted, which solves the problem of poor CCD detection caused by cell tab misalignment, achieves efficient automated correction, and reduces errors from manual operation.

CN223704670UActive Publication Date: 2025-12-23DONGGUAN ZEYUAN MACHINE
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Patent Information

Application Number
CN202422991424.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-12-23
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

In existing technologies, the battery cell tabs are prone to shifting after winding, resulting in poor edge distance detected by CCD. Manual correction has low accuracy and increases the burden on workers, affecting processing efficiency.

Method used

An automated cell tab correction device is adopted, including an identification unit, a pressing unit, and a kneading unit. It identifies the position of the tab and automatically adjusts its position, replacing manual operation.

Benefits of technology

It improves the accuracy and efficiency of electrode correction, reduces errors from manual operation, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery cell tab deviation rectifying device, and particularly relates to the technical field of battery cell tab deviation rectifying, the battery cell tab deviation rectifying device comprises: an identification unit, the identification unit is used for identifying the tab position of a battery cell and determining whether the tab position of the battery cell needs to be rectified; the downward pressing unit comprises a bottom plate and a vertical moving mechanism capable of moving up and down, and the battery cell to be rectified is placed on the bottom plate. According to the utility model, the identification unit identifies the position of the tab of the battery cell and judges that the position of the tab of the battery cell needs to be rectified, the vertical moving mechanism of the pressing unit moves downwards to press the battery cell, and then the rubbing unit can drive the vertical moving mechanism to horizontally reciprocate, so that the position of the tab is rectified; the procedure of manually rubbing the battery cell is replaced, subjective judgment errors of different workers are avoided, and the efficiency and the correction rate are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the core tab deviation correction, more specifically to a kind of core tab deviation correction device. BACKGROUND

[0002] The core tab is a kind of key raw material of lithium ion polymer battery product, it leads out positive and negative metal conductors from the core, for the contact point when charging and discharging, among them, the core tab deviation correction is a key step in the process of lithium battery manufacturing, aims at ensuring that the core tab keeps correct position and direction during winding or laminating, to avoid short circuit, fire or explosion and other security risks.

[0003] Now in new energy industry, the size of the core wound by winding machine is often detected by CCD photographing. Due to the unevenness of winding material, the core with tab rear-out process or tab middle-out process deviates to one side after winding. At this time, through the conventional CCD core detection mechanism, a large number of cores judged as edge margin are discharged, and then the edge margin of the core is manually rubbed by manual operation. The manual operation has the problem of low precision, and the long-term operation of manual operation also increases the burden of workers, and thus affects the processing efficiency. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of core tab deviation correction device, which replaces manual operation by automatic equipment to realize core tab deviation correction, thereby solving the problems in the above-mentioned background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of core tab deviation correction device, the core tab deviation correction device includes:

[0006] The recognition unit is used to identify the tab position of a core and determine whether the tab position of the core needs to be corrected.

[0007] The pressing unit includes a base and a vertical movement mechanism that can move up and down. The core to be corrected is placed on the base, and the vertical movement mechanism moves downward to press the core or moves upward to move away from the core.

[0008] The rubbing unit can drive the vertical movement mechanism to move horizontally and reciprocally.

[0009] In a preferred embodiment, the storage object includes a base provided at the bottom of the upper pressing plate. The base is provided with a mounting seat at the bottom of the rear end for connecting the equipment. The base is provided with a second tempered glass plate at the top of the front end for placing the core tab.

[0010] The bottom of the second tempered glass plate is fitted with a supplementary light to improve brightness.

[0011] In a preferred embodiment, the vertical moving mechanism includes a support base, a lead screw located on the front side of the support base, and a fixed plate movably connected to the top and bottom of the lead screw via bearings. The fixed plate is fixed together with the support base. A guide slider is sleeved on the outside of the lead screw. A connecting seat is installed on the front side of the guide slider, and an upper pressure plate is installed at the bottom of the connecting seat to press down the battery cell.

[0012] In a preferred embodiment, the front end of the upper pressure plate is a first tempered glass plate to avoid obstructing the recognition unit's recognition.

[0013] In a preferred embodiment, the kneading unit includes a base plate with a correction motor on the base plate. The output shaft of the correction motor is fixed to a gear. The vertical movement mechanism includes a rack that meshes with the gear, so that the kneading unit can drive the vertical movement mechanism to reciprocate along the rack direction.

[0014] In a preferred embodiment, a mounting base is installed at the bottom rear end of the base, and a second tempered glass plate for placing the battery cell tabs is installed at the top front end of the base.

[0015] The bottom of the second tempered glass plate is fitted with a supplementary light to improve brightness.

[0016] In a preferred embodiment, a support frame is installed on the front side of the top of the support base, and a core pressing motor is installed on the top of the support frame. The output shaft of the core pressing motor passes through the support frame and the fixing plate located at the top of the lead screw in sequence and is fixed together with the top of the lead screw.

[0017] In a preferred embodiment, a support plate is installed on the front side of the support frame, and a fixed bracket is installed at the front end of the support plate, and a CCD camera is installed on the front side of the fixed bracket.

[0018] In a preferred embodiment, two spaced guide rails are installed on the front side of the bottom end of the base plate, and each guide rail is fitted with a slide rail seat. The front end of the slide rail seat is fixed together with the rear side of the bottom end of the support seat.

[0019] In a preferred embodiment, a limiting frame with an i-shaped cross section is installed on the rear side of the guide slider. The limiting frame has a limiting plate inside, and the rear end of the limiting plate is fixed together with the front side of the support base.

[0020] In a preferred embodiment, support rods are installed on both sides of the mounting base, a cleaning scraper is installed at the top of the support rod, and a diagonal rod for connecting the support rod is installed at the bottom of the cleaning scraper.

[0021] The technical effects and advantages of the utility model are as follows:

[0022] The vertical moving mechanism of the lower pressing unit is moved downward to press the battery cell when the recognition unit recognizes the tab position of the battery cell and judges that the tab position of the battery cell needs to be corrected, and then the rubbing unit can drive the vertical moving mechanism to move horizontally and reciprocally, so that the position of the tab is corrected, the process of rubbing the battery cell manually is replaced, subjective judgment errors of different workers are avoided, and the efficiency and correction rate are improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a bottom view of the base of the utility model;

[0025] Figure 3 It is a rear view of the correction motor of the utility model;

[0026] Figure 4 It is a rear view of the supporting seat of the utility model;

[0027] Figure 5 It is a side view of the lead screw of the utility model.

[0028] The signs are as follows: 1, supporting seat; 2, lead screw; 3, fixed plate; 4, guide sliding block; 5, connecting seat; 6, upper pressing plate; 7, first toughened glass plate; 8, bottom plate; 9, correction motor; 10, gear; 11, inclined rod; 12, rack; 13, base; 14, mounting seat; 15, second toughened glass plate; 16, light supplementing lamp; 17, supporting frame; 18, battery cell pressing motor; 19, supporting plate; 20, fixed support; 21, CCD camera; 22, guide rail; 23, sliding rail seat; 24, limiting frame; 25, limiting plate; 26, supporting rod; 27, cleaning scraper. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] With reference to the drawings in the description, Figures 1-5 The utility model provides a kind of battery tab correction device, including supporting seat 1, the adjusting piece for correcting battery tab is equipped in the outside of supporting seat 1;

[0031] AsFigures 1-5 As shown, the electrode tab deviation correction device comprises an identification unit for identifying the electrode tab position of a battery cell and determining whether the electrode tab position of the battery cell needs to be corrected; a pressing unit comprising a base 13 and a vertical moving mechanism movable up and down, the battery cell to be corrected is placed on the base 13, the vertical moving mechanism moves downward to press the battery cell or moves upward to move away from the battery cell; a rubbing unit for driving the vertical moving mechanism to move horizontally and reciprocally.

[0032] In use, the staff places the electrode tab of the battery cell on the second tempered glass plate 15 on the base plate 8, and turns on the light supplement lamp 16, so that the CCD camera 21 can more accurately monitor the image shooting of the electrode tab of the battery cell. At the same time, the battery cell pressing motor 18 drives the screw rod 2 to rotate, the screw rod 2 drives the guide sliding block 4 limited by the limiting frame 24 and the limiting plate 25 to move downward, and the guide sliding block 4 drives the first tempered glass plate 7 on the upper pressing plate 6 to press and fix the electrode tab of the battery cell through the connecting seat 5.

[0033] Then, the CCD camera 21 is started to shoot the electrode tab of the battery cell, and whether the electrode tab is qualified and located at the center and adhered completely is analyzed by the background. When the electrode tab of the battery cell is determined to be unqualified, the correction motor 9 drives the gear 10 to rotate, the gear 10 drives the support seat 1 to move laterally through the meshing rack 12, and the support seat 1 drives the upper pressing plate 6 to slide left and right, so as to achieve the purpose of rubbing and displacing the electrode tab of the battery cell, realize the effect of automatic correction, reduce the work burden and improve the production efficiency.

[0034] In order to fix the battery cell, as shown, Figure 5 As shown, the vertical moving mechanism comprises a support seat 1, a screw rod 2 arranged at the front side of the support seat 1, and a fixed plate 3 movably connected through a bearing and arranged at the top end and the bottom end of the screw rod 2. The fixed plate 3 is fixed with the support seat 1. The screw rod 2 is externally sleeved with a guide sliding block 4. The guide sliding block 4 is provided with a connecting seat 5 at the front side, and the connecting seat 5 is provided with an upper pressing plate 6 at the bottom. The upper pressing plate 6 is used to press the battery cell. The guide sliding block 4 is driven to move downward by the screw rod 2, and the upper pressing plate 6 is used to extrude and fix the battery cell, so as to ensure the stability of the battery cell during processing. Since the front end of the upper pressing plate 6 is a first tempered glass plate 7, the identification of the identification unit is not affected, and the processing accuracy can be improved.

[0035] In order to separate the stacked battery cells, as shown, Figure 5As shown, the kneading unit comprises a base plate 8, the base plate 8 is provided with a correction motor 9, the output shaft of the correction motor 9 is fixed with a gear 10, the vertical moving mechanism comprises a rack 12, the rack 12 is engaged with the gear 10, so that the kneading unit can drive the vertical moving mechanism to reciprocate along the direction of the rack, by the engagement of the gear 10 and the rack 12, the upper pressing plate 6 can be driven to move transversely, thereby achieving the effect of kneading the battery cell.

[0036] In order to improve the processing accuracy, such as Figures 1-5 As shown, the bottom end of the base 13 is provided with a mounting seat 14, and the top end of the base 13 is provided with a second tempered glass plate 15 for placing the battery tab; the bottom end of the second tempered glass plate 15 is externally provided with a light compensation lamp 16 for improving brightness, by placing the battery tab on the second tempered glass plate 15 on the base 13, and then illuminating compensation by the light compensation lamp 16, so that the CCD camera 21 can more accurately and effectively shoot the battery tab.

[0037] In order to improve the overall automation effect, such as Figures 1-5 As shown, the support frame 17 is installed at the top front side of the support base 1, the pressure core motor 18 is installed at the top of the support frame 17, the output shaft of the pressure core motor 18 penetrates the support frame 17 and the fixed plate 3 at the top of the lead screw 2 in sequence and is fixed with the lead screw 2 at the top, by connecting the output shaft of the pressure core motor 18 with the lead screw 2, the pressure core motor 18 can drive the lead screw 2 to rotate, thereby improving the convenience of adjusting the height of the upper pressing plate 6, and because the limiting frame 24 with a cross-section of a Chinese character "fang" is installed at the rear side of the guide sliding block 4, the limiting plate 25 is arranged inside the limiting frame 24, and the rear end of the limiting plate 25 is fixed with the front side of the support base 1, so that when the lead screw 2 rotates, the guide sliding block limited by the limiting plate 25 and the limiting frame 24 can be driven to displace up and down, ensuring the stability of the guide sliding block when it displaces.

[0038] In order to facilitate understanding whether the battery tab is intact, such as Figures 1-5 As shown, the support plate 19 is installed at the front side of the support frame 17, and the fixed support 20 is installed at the front end of the support plate 19, the CCD camera 21 is installed at the front side of the fixed support 20, the CCD camera 21 is fixed by the fixed support 20 on the support plate 19, ensuring the stability of the CCD camera, so that the CCD camera 21 can accurately shoot the battery tab.

[0039] In order to improve the stability of the support base 1 when it transversely displaces, such as Figure 1 , 2As shown in Figure 5, two spaced guide rails 22 are installed on the front side of the bottom end of the base plate 8. Each guide rail 22 is fitted with a slide rail seat 23. The front end of the slide rail seat 23 is fixed to the rear side of the bottom end of the support base 1. By engaging the guide rails 22 and the slide rail seat 23, the displacement of the support base 1 can be limited, thereby ensuring the stability of the support base 1 during displacement and avoiding deviation or skew.

[0040] To prevent impurities on the first tempered glass plate 7 from affecting the image quality of the CCD camera 21, such as... Figure 1 As shown, support rods 26 are installed on both sides of the mounting base 14. A cleaning scraper 27 is installed at the top of the support rod 26, and a diagonal rod 11 for connecting the support rod 26 is installed at the bottom of the cleaning scraper 27. The support base 1 is moved laterally by the meshing of the gear 10 and the rack 12. The laterally moved support base 1 can drive the first tempered glass plate 7 on the upper pressure plate 6 to contact the cleaning scraper 27, thereby cleaning and maintaining the bottom of the first tempered glass plate 7 and preventing damage to the battery cell tabs due to protruding impurities when the first tempered glass plate 7 is pressed against the battery cell tabs.

[0041] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A battery cell tab correction device, characterized in that: The electrode tab deviation correction device comprises: An identification unit is used to identify the position of the electrode tab of a battery cell and determine whether the position of the electrode tab of the battery cell needs to be corrected. A pressing unit comprises a base (13) and a vertical moving mechanism that can move up and down, the battery cell to be corrected is placed on the base (13), the vertical moving mechanism moves downward to press the battery cell or moves upward to move away from the battery cell; a second tempered glass plate (15) for placing the electrode tab of the battery cell is installed on the top of the front end of the base (13), and a supplementary light (16) for improving brightness is sleeved outside the bottom end of the second tempered glass plate (15). A rubbing unit can drive the vertical moving mechanism to move horizontally and reciprocally. The rubbing unit comprises a bottom plate (8), a correction motor (9) is installed on the bottom plate (8), the output shaft of the correction motor (9) is fixed with a gear (10), the vertical moving mechanism comprises a rack (12), the rack (12) is engaged with the gear (10), so that the rubbing unit can drive the vertical moving mechanism to move reciprocally along the direction of the rack.

2. The device for correcting the deviation of the electrode tab of the battery cell according to claim 1, wherein: The vertical moving mechanism comprises a support seat (1), a lead screw (2) is arranged on the front side of the support seat (1), and the top end and the bottom end of the lead screw (2) are both provided with a fixed plate (3) that is movably connected through a bearing, the fixed plate (3) is fixed with the support seat (1), a guide sliding block (4) is sleeved outside the lead screw (2), a connecting seat (5) is installed on the front side of the guide sliding block (4), an upper pressing plate (6) is installed at the bottom of the connecting seat (5), and the upper pressing plate (6) is used to press the battery cell.

3. The device of claim 2, wherein: The front end of the upper pressing plate (6) is a first tempered glass plate (7) to avoid interfering with the identification of the identification unit.

4. The device of claim 2, wherein: A support frame (17) is installed on the top front side of the support seat (1), a battery cell pressing motor (18) is installed on the top of the support frame (17), the output shaft of the battery cell pressing motor (18) penetrates the support frame (17) and the fixed plate (3) located at the top of the lead screw (2) in sequence and is fixed with the top of the lead screw (2).

5. The device of claim 4, wherein: A support plate (19) is installed on the front side of the support frame (17), a fixed support (20) is installed on the front end of the support plate (19), and a CCD camera (21) is installed on the front side of the fixed support (20).

6. The device of claim 2, wherein: Two spaced guide rails (22) are installed on the bottom front side of the bottom plate (8), a sliding rail seat (23) is sleeved outside each guide rail (22), and the front end of the sliding rail seat (23) is fixed with the bottom rear side of the support seat (1).

7. The device of claim 2, wherein: A limit frame (24) with a cross-section shaped like a Chinese character "" is installed on the rear side of the guide sliding block (4), a limit plate (25) is arranged inside the limit frame (24), and the rear end of the limit plate (25) is fixed with the front side of the support seat (1).