Tab bending mechanism

The cylinder-driven tab bending mechanism solves the problems of unstable quality and low efficiency in traditional battery tab bending, achieving a highly efficient and stable tab bending process, improving battery consistency and reducing production costs.

CN223946548UActive Publication Date: 2026-02-27DONGGUAN TIANLAN INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202520507970.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-27
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Traditional battery tab bending processes suffer from problems such as unstable product quality, high labor intensity, low production efficiency, and poor battery consistency. Existing bending mechanisms are prone to damaging the tabs and cores, resulting in a high defect rate and increased production costs.

Method used

The electrode tab bending mechanism is driven by a cylinder. The second lifting platform drives the core buffer seat to rise, the first lifting platform drives the pressure block to move down to apply pressure to the core, and the fourth cylinder pushes the electrode tab upward to 90 degrees and bends it. It is protected by compression spring and hydraulic buffer.

Benefits of technology

It achieves efficient and stable bending of the tabs, improves battery consistency and production efficiency, reduces production costs, simplifies operation procedures, and facilitates installation and maintenance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223946548U_ABST
    Figure CN223946548U_ABST
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Abstract

The utility model discloses a pole lug bending mechanism which comprises a first supporting frame and a second supporting frame arranged on one side of the first supporting frame, a movable frame is vertically arranged at the bottom end in the first supporting frame, the movable frame moves at the bottom end of the first supporting frame, and the movable frame and the second supporting frame are parallel to each other. A first lifting table is vertically and movably arranged at the top end of the front face of the first supporting frame, pressing blocks are vertically arranged on the two sides of the bottom end of the first lifting table, a second lifting table is transversely arranged at the top end of the second supporting frame, and the second lifting table is parallel to the pressing blocks; the second lifting table moves up and down at the top end of the second supporting frame, roll core buffering seats are vertically arranged on the two sides of the top end of the second lifting table, roll cores are vertically placed at the top ends of the roll core buffering seats, and a fourth air cylinder is transversely arranged at the top end of the moving frame and moves up and down at the top end of the moving frame. And a push block is transversely arranged on one side of the fourth cylinder in a driving manner.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a battery field especially is related to a tab bending mechanism. BACKGROUND

[0002] With the increasingly serious energy crisis and environmental problems, under the vigorous support of the state to the new energy industry, the key technology of power battery gradually matures, and various power batteries have been widely used in electric cars, electric motorcycles, electric bicycles, solar energy, mobile communication terminal products and energy storage products.

[0003] Tab bending is an essential process in battery manufacturing. In the traditional battery tab bending process, manual tab bending is adopted, which is unstable in product quality, labor-intensive, and low in production efficiency. After the existing bending mechanism bends the tab, the battery consistency is poor, and the tab and the winding core may be damaged, thereby affecting the quality of the battery, increasing the rate of defective products, and causing high production cost, which is not conducive to batch production of batteries. Therefore, a tab bending mechanism is proposed. SUMMARY

[0004] The utility model aims at providing a technical scheme that can solve the above problems.

[0005] A tab bending mechanism, comprising a first support frame and a second support frame arranged on one side of the first support frame, a moving frame vertically arranged at the bottom end of the first support frame, and the moving frame moving at the bottom end of the first support frame, and the moving frame and the second support frame being parallel to each other, a first lifting platform vertically arranged at the top end of the front face of the first support frame, and a pressing block vertically arranged on both sides of the bottom end of the first lifting platform, and the first lifting platform and the pressing block being in the same moving direction, a second lifting platform horizontally arranged at the top end of the second support frame, and the second lifting platform and the pressing block being parallel to each other, and the second lifting platform moving up and down at the top end of the second support frame, a winding core buffer seat vertically arranged on both sides of the top end of the second lifting platform, and a winding core vertically placed on the top end of the winding core buffer seat, and the second lifting platform and the winding core buffer seat being in the same moving direction, a fourth air cylinder horizontally arranged at the top end of the moving frame, and the fourth air cylinder moving up and down at the top end of the moving frame, and a push block horizontally driven arranged on one side of the fourth air cylinder.

[0006] Preferably, a first air cylinder is arranged between the first support frame and the moving frame, and the first air cylinder is horizontally arranged at the bottom end of the first support frame, and the first air cylinder and the moving frame are drivingly connected.

[0007] Preferably, a second air cylinder is arranged between the first support frame and the first lifting platform, and the second air cylinder is vertically arranged at the top end of the first support frame, and the second air cylinder and the first lifting platform are drivingly connected.

[0008] Preferably, a third cylinder is arranged between the second support frame and the second lifting table, and the third cylinder is vertically arranged at the top end of the second support frame, and the third cylinder is drivingly connected with the second lifting table.

[0009] Preferably, an oil pressure buffer is arranged between the first lifting table and the pressing block, and the oil pressure buffer is vertically arranged at both sides of the first lifting table, and the bottom end of the oil pressure buffer is connected between the pressing blocks.

[0010] Preferably, a fifth cylinder is arranged between the fourth cylinder and the moving frame, and the fifth cylinder is vertically arranged at the side of the moving frame, and the fourth cylinder is transversely arranged at the top end of the fifth cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: when the winding core with the top end tab in the horizontal state is vertically placed on the winding core buffer seat, the second lifting table drives the winding core buffer seat to move upward together with the winding core, and at the same time, the first lifting table drives the pressing block to move downward and press the winding core on the winding core buffer seat, so that the winding core is limited on the winding core buffer seat, at this time, the moving frame and the fourth cylinder move at the bottom end of the first support frame and move to the side of the second support frame, and the push block is transversely arranged at the bottom end of the tab, at this time, the fourth cylinder moves upward at the top end of the moving frame and drives the push block to lift the tab upward until the push block is transversely arranged at the side of the pressing block, so that the tab in the horizontal state is gradually bent upward and bent by 90 degrees, at this time, the fourth cylinder drives the push block to translate so as to make the tab bent at the side of the pressing block adhere to the side of the pressing block, and the tab on the winding core is bent; the winding core is positioned by the cylinder driving mode, the tab is bent by the tab bending mechanism, the overall mechanism is simple, compact, easy to operate, small in occupied space, and easy to install and maintain, and has the characteristics of high efficiency, stability and reliability, the compression spring and the multi-directional oil pressure buffer are provided for protection, the consistency of the battery and the tab bending quality are ensured, the production time and the production cost are saved, and the product production is facilitated.

[0012] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating laboriously.

[0014] Figure 1 Fig. 1 is a structural schematic diagram of a tab bending mechanism;

[0015] Figure 2 Fig. 2 is another structural schematic diagram of a tab bending mechanism;

[0016] Figure 3 Fig. 3 is still another structural schematic diagram of a tab bending mechanism;

[0017] Figure 4 Fig. 4 is a working flow chart of a tab bending mechanism.

[0018] As shown in the figure: 1, first support frame, 2, moving frame, 3, first cylinder, 4, second cylinder, 5, first lifting platform, 6, oil buffer, 7, pressing block, 8, winding core, 9, second support frame, 10, third cylinder, 11, second lifting platform, 12, winding core buffer seat, 13, fourth cylinder, 14, push block, 15, fifth cylinder. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4The utility model discloses an ear bending mechanism, including first support frame 1 and setting in first support frame 1 one side's second support frame 9, the inside bottom of first support frame 1 is provided with mobile frame 2, and mobile frame 2 moves at the bottom of first support frame 1, and mobile frame 2 and second support frame 9 are parallel with each other, the top of first support frame 1 forward face is provided with first lifting platform 5 of vertical movement, and both sides of first lifting platform 5 bottom are all provided with the vertical setting of pressure block 7, and first lifting platform 5 and pressure block 7 are same moving direction, the top of second support frame 9 is provided with second lifting platform 11 of horizontal, and second lifting platform 11 and pressure block 7 are parallel with each other, and second lifting platform 11 moves up and down at the top of second support frame 9, the both sides of second lifting platform 11 top are all provided with the vertical setting of roll core buffer seat 12, and roll core buffer seat 12 top is provided with the vertical placement of roll core 8, and second lifting platform 11 and roll core buffer seat 12 are same moving direction, and then through second lifting platform 11 drive roll core buffer seat 12 together with roll core 8 and lift at the top of second support frame 9, the top of mobile frame 2 is provided with fourth cylinder 13 of horizontal, and fourth cylinder 13 moves up and down at the top of mobile frame 2, and the one side of fourth cylinder 13 is provided with pusher 14 of horizontal drive, to make fourth cylinder 13 move up and down at the top of mobile frame 2 drive pusher 14 and move at the top of mobile frame 2, and then when the roll core 8 of top ear is horizontally placed and is placed on roll core buffer seat 12, second lifting platform 11 drive roll core buffer seat 12 together with roll core 8 and move up, and simultaneously first lifting platform 5 drives pressure block 7 and moves down and presses roll core 8 on roll core buffer seat 12, to make roll core 8 be fixed on roll core buffer seat 12, when mobile frame 2 is moved to the side of second support frame 9 with first support frame 1 bottom and pusher 14 is horizontally located at the bottom of ear, fourth cylinder 13 moves up at the top of mobile frame 2 and takes ear up with pusher 14 and pushes up until pusher 14 is horizontally located at the side of pressure block 7, to make the ear in horizontal state gradually bend up and bend and present ninety degrees, when fourth cylinder 13 drive pusher 14 and move when ear presents ninety degrees so that the ear that bends in the side of pressure block 7 is adhered to the side of pressure block 7, and then the ear on roll core 8 is bent.

[0021] The first support frame 1 and mobile frame 2 are provided with first cylinder 3, and the first cylinder 3 is horizontally located at the inside bottom of the first support frame 1, and the first cylinder 3 is drivingly connected with the mobile frame 2, and then the mobile frame 2 is driven by the first cylinder 3 to move at the bottom of the first support frame 1.

[0022] The second cylinder 4 is vertically located at the top end of the first support frame 1, and is drivingly connected with the first lifting platform 5, so that the first lifting platform 5 and the pressing block 7 are driven to move up and down on the first support frame 1 by the second cylinder 4.

[0023] The third cylinder 10 is vertically located at the top end of the second support frame 9, and is drivingly connected with the second lifting platform 11, so that the second lifting platform 11 and the roll core buffer seat 12 are driven to move up and down on the second support frame 9 by the third cylinder 10.

[0024] The oil pressure buffer 6 is vertically located at the two sides of the first lifting platform 5, and is connected between the bottom end of the oil pressure buffer 6 and the pressing block 7, so that the pressure of the pressing block 7 can be buffered by the oil pressure buffer 6, preventing the roll core 8 from being damaged when the pressing block 7 presses the roll core 8.

[0025] The fifth cylinder 15 is vertically located at the side of the moving frame 2, and the fourth cylinder 13 is transversely located at the top end of the fifth cylinder 15, so that the fourth cylinder 13 and the pushing block 14 are driven to move up and down on the moving frame 2 by the fifth cylinder 15.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims.

Claims

1. A tab bending mechanism comprising a first support frame and a second support frame provided on one side of the first support frame, characterized in that, The inside bottom end of the first support frame is vertically provided with a moving frame, and the moving frame moves at the bottom end of the first support frame and is parallel to the second support frame, the top end of the front face of the first support frame is vertically and movably provided with a first lifting platform, and the bottom end of the first lifting platform is vertically provided with a pressing block on both sides, and the first lifting platform and the pressing block are in the same moving direction, the top end of the second support frame is transversely provided with a second lifting platform, and the second lifting platform is parallel to the pressing block and moves up and down at the top end of the second support frame, the top end of both sides of the second lifting platform is vertically provided with a winding core buffer seat, and the top end of the winding core buffer seat is vertically placed with a winding core, and the second lifting platform and the winding core buffer seat are in the same moving direction, the top end of the moving frame is transversely provided with a fourth air cylinder, and the fourth air cylinder moves up and down at the top end of the moving frame, and the fourth air cylinder is transversely and drivingly provided with a push block on one side.

2. The tab folding mechanism of claim 1, wherein The first support frame and the moving frame are provided with a first air cylinder, and the first air cylinder is transversely located at the inside bottom end of the first support frame, and the first air cylinder and the moving frame are drivingly connected.

3. The tab folding mechanism of claim 1, wherein The first support frame and the first lifting platform are provided with a second air cylinder, and the second air cylinder is vertically located at the top end of the first support frame, and the second air cylinder and the first lifting platform are drivingly connected.

4. The tab folding mechanism of claim 1, wherein The second support frame and the second lifting platform are provided with a third air cylinder, and the third air cylinder is vertically located at the inside top end of the second support frame, and the third air cylinder and the second lifting platform are drivingly connected.

5. The tab folding mechanism of claim 1, wherein The first lifting platform and the pressing block are provided with an oil pressure buffer, and the oil pressure buffer is vertically located on both sides of the first lifting platform, and the bottom end of the oil pressure buffer is connected between the pressing blocks.

6. The tab folding mechanism of claim 1, wherein The fourth air cylinder and the moving frame are provided with a fifth air cylinder, and the fifth air cylinder is vertically located at the side of the moving frame, and the fourth air cylinder is transversely located at the top end of the fifth air cylinder.