Battery tab welding and pressing device

The battery tab welding and clamping device with multi-stage adjustment and buffer components solves the problem of unstable clamping caused by drive failure in existing devices, ensuring stable clamping and welding quality of battery tabs, and improving production efficiency and safety.

CN223876393UActive Publication Date: 2026-02-06ANHUI XIAOQIU NEW MATERIAL TECH CO LTD +1
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Patent Information

Application Number
CN202423294627.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing battery tab welding and clamping devices are prone to unstable clamping due to drive failure after long-term use, which can damage the tabs and affect production quality and efficiency.

Method used

It adopts multi-stage adjustment and buffer components, including threaded sleeves, rotating plates, sliding seats, anti-slip pads and silicone blocks. The multi-stage adjustment and buffer structure ensures that the clamping plate can adapt to the electrode tabs of different thicknesses, prevents electrode tab displacement, and improves clamping stability and welding quality.

Benefits of technology

It achieves stable clamping of electrode tabs of different thicknesses, improves welding quality and production efficiency, reduces the risk of electrode tab damage, and enhances the practicality and reliability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery tab production, and discloses a battery tab welding and pressing device which comprises a bottom plate, a first hinge seat is fixedly connected to the lower surface of the bottom plate, a rotating rod is rotatably connected to the interior of the first hinge seat, and a fixing rod is fixedly connected to one side of the outer wall of the rotating rod. A fixing block is fixedly connected to the upper surface of the fixing rod, a lead screw is rotationally connected to the upper surface of the fixing block, and a connecting assembly is installed on one side of the fixing block; the connecting assembly comprises a first hinge block, and one side of the outer wall of the first hinge block is fixedly connected to one side of the outer wall of the fixing block. According to the electrode lug clamping device, the electrode lug is arranged on the bottom plate, the lead screw is rotated to abut against one side of the clamping plate, so that the electrode lug is clamped on the inner wall of the U-shaped plate, then the lead screw is rotated to enable the rotating plate to drive the adjusting plate and the clamping plate to slide and rotate, clamping and fixing are achieved according to the thickness of the electrode lug, the flexibility and practicability of the device are effectively improved, and the treatment requirements of electrode lugs of different specifications can be better met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery tab production technical field especially relates to a battery tab welding pressure device. BACKGROUND

[0002] Battery tab is the positive and negative lead-out component of the battery, which is made of metal material to connect the internal electrode of the battery with the external circuit, and is the key element of the normal charge and discharge of the battery. The battery tab welding pressure device is of great significance. From the production point of view, it can ensure that the tab and the electrode of the battery cell are firmly welded and the quality is stable and consistent, improve the welding efficiency, and meet the needs of automatic production. From the safety point of view, it can reduce the risk of short circuit caused by loose tab, reduce the erosion of the external environment on the tab connection part, effectively guarantee the performance and safety of the battery, and prolong the service life of the battery, which is very important for the development of the battery industry.

[0003] The existing pressure device is mostly driven by a single drive source to fix the battery tab during use. However, since the battery tab is made of soft material, the automatic drive source may fail and the clamping may be unstable during long-term use, which may cause damage to the battery tab or poor clamping. Therefore, a battery tab welding pressure device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a battery tab welding pressure device, which aims to improve the problem that the driving structure used in the prior art may fail after long-term use, which may easily damage the battery tab and cause the quality and production efficiency of the product to decrease.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a battery tab welding pressure device, comprising a bottom plate, the bottom plate lower surface is fixedly connected with a hinge seat one, the hinge seat one inside is rotatably connected with a rotating rod, the rotating rod outer wall one side is fixedly connected with a fixed rod, the fixed rod upper surface is fixedly connected with a fixed block, the fixed block upper surface is rotatably connected with a lead screw, and the fixed block one side is provided with a connecting assembly;

[0006] The connecting assembly comprises a hinge block one, the hinge block one outer wall one side is fixedly connected on the fixed block outer wall one side, the hinge block one outer wall is rotatably connected with an adjusting plate, the adjusting plate outer wall is rotatably connected with a hinge seat two, the hinge seat two upper surface is fixedly connected with a U-shaped plate, the U-shaped plate inside is slidably connected with a clamping plate, and the lead screw outer wall is provided with an adjusting assembly.

[0007] Further, the adjusting assembly comprises a threaded sleeve two, an inner wall of the threaded sleeve two is threadedly connected to an outer wall of the lead screw, one side of an outer wall of the threaded sleeve two is fixedly connected with a hinged block two, an outer wall of the hinged block two is rotationally connected with a rotating plate, an inner wall of the rotating plate is rotationally connected with a sliding seat, and an outer wall of the sliding seat is slidably connected to an inner part of the adjusting plate.

[0008] Further, grooves are formed in the inner parts of the bottom plate and the clamping plate, a fastening assembly is mounted on the outer wall of the lead screw, and clamping assemblies are mounted on the inner walls of the bottom plate and the clamping plate.

[0009] Further, the fastening assembly comprises a threaded sleeve one, an inner wall of the threaded sleeve one is threadedly connected to an outer wall of the lead screw, and a knob is fixedly connected to an upper end of the lead screw.

[0010] Further, the clamping assembly comprises two anti-skid pads, outer walls of the two anti-skid pads are respectively fixedly connected to one side of outer walls of the bottom plate and the clamping plate, one side of an outer wall of the anti-skid pad is fixedly connected with a plurality of anti-skid protrusions, and a buffer assembly is mounted in the anti-skid pad.

[0011] Further, the buffer assembly comprises a spring, one end of the spring is fixedly connected to one side of an inner wall of the anti-skid pad, one end of the spring is fixedly connected with a sliding plate, and one side of an outer wall of the sliding plate is fixedly connected with a silica gel block.

[0012] Further, the outer wall of the lead screw is slidably connected to the inner walls of the bottom plate and the clamping plate, and the lead screw is used for connecting the bottom plate and the clamping plate.

[0013] Further, the bottom plate is fixedly connected with left-right symmetrical supporting legs, and the supporting legs are used for mounting the bottom plate.

[0014] The utility model discloses have following beneficial effect:

[0015] 1. In the utility model, the tab is placed above the bottom plate, then the lead screw is rotated to make the lead screw abut against one side of the clamping plate, then the clamping plate is clamped in the inner wall of the U-shaped plate, then the lead screw is rotated to make the rotating plate drive the adjusting plate drive the clamping plate to slide, and the rotating of the adjusting plate is further realized, thereby realizing the effect that the clamping plate is driven to clamp and fix the tab with different thicknesses, and the practicability of the device is improved.

[0016] 2. In the utility model, the anti-skid pad drives the anti-skid protrusion to abut against the outer wall of the tab, then the silica gel block abuts against the outer wall of the tab, thereby realizing the effect that the tab is prevented from displacement, then the silica gel block is moved, thereby realizing the effect that the sliding plate is driven to press the spring, then the spring is expanded and contracted, thereby realizing the effect that the clamping pressure is reduced, the groove can realize the effect that double-station crimping is realized, and the practicability of the device is improved. DRAWINGS

[0017] Figure 1 This is a three-dimensional structural diagram of a battery tab welding and clamping device proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the clamping plate portion of a battery tab welding and clamping device proposed in this utility model;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0020] Figure 4 This is a schematic diagram of the anti-slip protrusion part of a battery tab welding and clamping device proposed in this utility model.

[0021] Legend:

[0022] 1. Base plate; 2. Hinge seat one; 3. Rotating rod; 4. Fixing rod; 5. Lead screw; 6. Fixing block; 7. Hinge block one; 8. Adjusting plate; 9. Hinge seat two; 10. U-shaped plate; 11. Clamping plate; 12. Groove; 13. Threaded sleeve one; 14. Knob; 15. Threaded sleeve two; 16. Hinge block two; 17. Rotating plate; 18. Sliding seat; 19. Support foot; 20. Anti-slip pad; 21. Anti-slip protrusion; 22. Spring; 23. Sliding plate; 24. Silicone block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 - Figure 4 An embodiment of this utility model is provided: a battery tab welding and pressing device, including a base plate 1, a hinge seat 2 fixedly connected to the lower surface of the base plate 1, a rotating rod 3 rotatably connected inside the hinge seat 2, a fixed rod 4 fixedly connected to one side of the outer wall of the rotating rod 3, a fixed block 6 fixedly connected to the upper surface of the fixed rod 4, a lead screw 5 rotatably connected to the upper surface of the fixed block 6, and a connecting component installed on one side of the fixed block 6;

[0025] The connecting assembly comprises a hinge block one 7 fixedly connected to one side of the outer wall of the fixed block 6, a regulating plate 8 rotatably connected to the outer wall of the hinge block one 7, a hinge seat two 9 rotatably connected to the outer wall of the regulating plate 8, a U-shaped plate 10 fixedly connected to the upper surface of the hinge seat two 9, and a clamping plate 11 slidably connected to the inside of the U-shaped plate 10; a regulating assembly is installed on the outer wall of the lead screw 5; the regulating assembly comprises a threaded sleeve two 15 threadedly connected to the outer wall of the lead screw 5, a hinge block two 16 fixedly connected to one side of the outer wall of the threaded sleeve two 15, a rotating plate 17 rotatably connected to the outer wall of the hinge block two 16, and a sliding seat 18 rotatably connected to the inner wall of the rotating plate 17 and slidably connected to the inside of the regulating plate 8.

[0026] Specifically, the bottom plate 1 provides a supporting foundation for the device, ensuring stable connection of other components. The rotating rod 3 is connected to the bottom plate 1 through the hinge seat one 2, allowing the rotating rod 3 to rotate around the hinge seat one 2, thereby realizing the rotation operation of the mechanical part and adjusting the entire device. The connecting assembly is connected to the fixed block 6 through the hinge block one 7, ensuring that the regulating plate 8 can be adjusted as needed to adjust the pressing force. The regulating plate 8 cooperates with the hinge seat two 9 to effectively control the clamping force and position, allowing the clamping plate 11 to adapt to different specifications of battery tab welding requirements and ensuring uniform pressure during the welding process. The adjusting assembly comprises a threaded sleeve two 15 threadedly connected to the outer wall of the lead screw 5, allowing the device to be adjusted by rotating the lead screw 5. The threaded sleeve two 15 can precisely adjust the size of the pressing force, ensuring that the battery tab and the battery shell are in close and uniform contact during welding, improving the welding quality. The rotating connection of the hinge block two 16 allows the rotating plate 17 to rotate flexibly, realizing fine adjustment of the pressing device. The sliding seat 18 on the rotating plate 17 cooperates with the inside of the regulating plate 8 to further ensure the accuracy and smoothness of the adjustment. The sliding function of the sliding seat 18 enhances the flexibility of overall adjustment, allowing the entire system to more finely control the welding pressure and position, ensuring the consistency of the welding effect.

[0027] Referring to Figure 1 - Figure 4The bottom plate 1 and the clamping plate 11 are internally provided with grooves 12, the outer wall of the lead screw 5 is provided with a fastening assembly, and the inner walls of the bottom plate 1 and the clamping plate 11 are provided with clamping assemblies; the fastening assembly comprises a threaded sleeve one 13, the inner wall of the threaded sleeve one 13 is threadedly connected to the outer wall of the lead screw 5, and the upper end of the lead screw 5 is fixedly connected with a knob 14; the clamping assembly comprises two anti-skid pads 20, the outer walls of the two anti-skid pads 20 are fixedly connected to one side of the outer walls of the bottom plate 1 and the clamping plate 11, respectively, the outer wall of the anti-skid pad 20 is fixedly connected with a plurality of anti-skid protrusions 21 on one side, and the anti-skid pad 20 is internally provided with a buffer assembly; the buffer assembly comprises a spring 22, one end of the spring 22 is fixedly connected to one side of the inner wall of the anti-skid pad 20, one end of the spring 22 is fixedly connected with a sliding plate 23, and the outer wall of the sliding plate 23 is fixedly connected with a silica gel block 24 on one side; the outer wall of the lead screw 5 is slidingly connected to the inner walls of the bottom plate 1 and the clamping plate 11, and the lead screw 5 is used for connecting the bottom plate 1 and the clamping plate 11; the lower surface of the bottom plate 1 is fixedly connected with left-right symmetrical supporting legs 19, and the supporting legs 19 are used for mounting the bottom plate 1;

[0028] Specifically, the bottom plate 1 and the clamping plate 11 are internally provided with grooves 12, so that the entire device is more stable and accurate during operation, and it is ensured that the components will not slide or deviate from the predetermined position during clamping and welding, thereby improving the welding precision and reliability, the outer wall of the lead screw 5 is provided with a fastening assembly, the fastening assembly comprises a threaded sleeve one 13, the inner wall of the threaded sleeve one 13 is threadedly connected to the outer wall of the lead screw 5, the clamping force of the clamping plate 11 is adjusted by rotating the lead screw 5, the upper end of the lead screw 5 is fixedly connected with a knob 14, which is convenient for manual operation and pressure adjustment, the clamping assembly comprises two anti-skid pads 20, the outer walls of the two anti-skid pads 20 are fixedly connected to one side of the outer walls of the bottom plate 1 and the clamping plate 11, respectively, which provides stronger friction, ensuring that the clamping plate 11 and the bottom plate 1 will not slide during welding, the outer wall of the anti-skid pad 20 is fixedly connected with a plurality of anti-skid protrusions 21 on one side, the number and distribution of the protrusions are increased, further enhancing the anti-skid effect and improving the clamping stability, the anti-skid pad 20 is internally provided with a buffer assembly, comprising a spring 22, one end of the spring 22 is fixedly connected to one side of the inner wall of the anti-skid pad 20, the other end is fixedly connected with a sliding plate 23, which provides additional buffering effect for the entire device, the outer wall of the sliding plate 23 is fixedly connected with a silica gel block 24 on one side, which is used to further enhance the friction between the clamping surface and the battery tab, avoiding the battery tab from sliding or shifting during clamping, the outer wall of the lead screw 5 is slidingly connected to the inner walls of the bottom plate 1 and the clamping plate 11, and the lead screw 5 is used for connecting the bottom plate 1 and the clamping plate 11, ensuring that the two always maintain relative movement during welding, which is convenient for accurately controlling the clamping force, the lower surface of the bottom plate 1 is fixedly connected with left-right symmetrical supporting legs 19, and the supporting legs 19 are used for stably mounting the bottom plate 1, ensuring the stability and stability of the entire device, and preventing displacement of the device due to external force during welding.

[0029] Working principle: when the device is needed to use the battery tab compression, first through the foot 19 will be installed in the device is needed to use the position, at this time again by two groups of tab placed on the non-slip pad 20 above, at this time again by rotating the screw rod 5 so that the screw rod 5 presents vertical state, at this time again by screw rod 5 clamping in the clamping plate 11 one side, at this time again by U-shaped plate 10 clamping in the clamping plate 11 outer wall, at this time again by rotating the knob 14, at this time by knob 14 driven screw rod 5 so that the threaded sleeve two 15 movement, thereby realizing driven rotating plate 17 rotation effect, at this time again by rotating plate 17 rotation, thereby realizing driven slide seat 18 driven adjusting plate 8 rotation effect, at this time again by U-shaped plate 10 in the clamping plate 11 outer wall sliding effect, at this time by adjusting plate 8 rotation, thereby realizing driven clamping plate 11 down pressure on the battery tab outer wall effect, again by rotating the threaded sleeve one 13, thereby realizing fixed clamping plate 11 effect, at this time again by anti-skid convex block 21 and silica gel block 24 cooperation, thereby realizing the effect of preventing tab displacement, at this time again by silica gel block 24 movement, thereby realizing driven slide plate 23 extrusion spring 22 telescopic effect, at this time again by spring 22 telescopic, thereby realizing the effect of reducing the clamping pressure.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled person, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A battery tab welding and crimping device comprising a base plate (1), characterized in that: The lower surface of the bottom plate (1) is fixedly connected with a hinge seat one (2), the hinge seat one (2) is rotatably connected with a rotating rod (3), one side of the outer wall of the rotating rod (3) is fixedly connected with a fixed rod (4), the upper surface of the fixed rod (4) is fixedly connected with a fixed block (6), the upper surface of the fixed block (6) is rotatably connected with a lead screw (5), and one side of the fixed block (6) is provided with a connecting assembly; The connecting assembly comprises a hinge block one (7), one side of the outer wall of the hinge block one (7) is fixedly connected with the outer wall of the fixed block (6), the outer wall of the hinge block one (7) is rotatably connected with an adjusting plate (8), the outer wall of the adjusting plate (8) is rotatably connected with a hinge seat two (9), the upper surface of the hinge seat two (9) is fixedly connected with a U-shaped plate (10), and the inside of the U-shaped plate (10) is slidably connected with a clamping plate (11); and the outer wall of the lead screw (5) is provided with an adjusting assembly.

2. The battery tab welding and crimping device of claim 1, wherein: The adjusting assembly comprises a threaded sleeve two (15), the inner wall of the threaded sleeve two (15) is threadedly connected with the outer wall of the lead screw (5), one side of the outer wall of the threaded sleeve two (15) is fixedly connected with a hinge block two (16), the outer wall of the hinge block two (16) is rotatably connected with a rotating plate (17), the inner wall of the rotating plate (17) is rotatably connected with a sliding seat (18), and the outer wall of the sliding seat (18) is slidably connected in the inside of the adjusting plate (8).

3. The battery tab welding and crimping device of claim 2, wherein: The inside of the bottom plate (1) and the clamping plate (11) is provided with a groove (12), the outer wall of the lead screw (5) is provided with a fastening assembly, and the inner wall of the bottom plate (1) and the clamping plate (11) is provided with a clamping assembly.

4. The battery tab welding and crimping device of claim 3, wherein: The fastening assembly comprises a threaded sleeve one (13), the inner wall of the threaded sleeve one (13) is threadedly connected with the outer wall of the lead screw (5), and the upper end of the lead screw (5) is fixedly connected with a knob (14).

5. The battery tab welding and crimping device of claim 4, wherein: The clamping assembly comprises two anti-skid pads (20), the outer walls of the two anti-skid pads (20) are fixedly connected with one side of the outer walls of the bottom plate (1) and the clamping plate (11) respectively, a plurality of anti-skid bosses (21) are fixedly connected with one side of the outer wall of the anti-skid pad (20), and a buffer assembly is installed in the inside of the anti-skid pad (20).

6. The battery tab welding and crimping device of claim 5, wherein: The buffer assembly comprises a spring (22), one end of the spring (22) is fixedly connected with one side of the inner wall of the anti-skid pad (20), one end of the spring (22) is fixedly connected with a sliding plate (23), and one side of the outer wall of the sliding plate (23) is fixedly connected with a silica gel block (24).

7. The battery tab welding and crimping device of claim 1, wherein: The outer wall of the lead screw (5) is slidably connected with the inner walls of the bottom plate (1) and the clamping plate (11), and the lead screw (5) is used for connecting the bottom plate (1) and the clamping plate (11).

8. The battery tab welding and crimping device of claim 1, wherein: The lower surface of the bottom plate (1) is fixedly connected with left-right symmetrical supporting legs (19), and the supporting legs (19) are used for installing the bottom plate (1).