Full-automatic lithium battery cell winding limiting mechanism
By designing a fully automatic lithium battery cell winding limit mechanism, using an electric cylinder to drive the pressing plate and a motor controller to adjust the speed, the inconvenience of limiting and blocking problems in the existing technology are solved, and effective limiting and buffering effects are achieved for battery cells of different shapes, avoiding damage to the battery cells.
Patent Information
- Application Number
- CN202422610568.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The existing lithium battery cell winding limiting mechanism is not convenient for limiting the position of cells of different shapes, and is easily blocked when the outer protective layer is wound, causing damage to the cell.
A fully automatic lithium battery cell winding limiting mechanism was designed, which included a base, a supporting vertical plate and a U-shaped plate. The pressing plate was driven by an electric cylinder for limiting, and the speed was adjusted by a motor controller and the anti-slip pad was used to improve the clamping and buffering effect to prevent obstruction.
It achieves effective positioning and unobstructed winding of battery cells of different shapes, improves the clamping and buffering effect, avoids damage to the battery cells, and meets the requirements of different winding speeds.
Smart Images

Figure CN223401663U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery cell winding, in particular to a full-automatic lithium battery cell winding limiting mechanism. Background Art
[0002] Fully automatic lithium battery cell winding uses automated equipment to precisely wind slit, dimensionally matched electrode sheets, separators, and termination tape into a core. This process plays a crucial role in the assembly of lithium-ion batteries, directly impacting the quality, performance, and overall safety of the cells. The winding process requires the use of a fully automatic lithium battery cell winding limiter.
[0003] The existing lithium battery cell winding limiting mechanism is not convenient for limiting the cells of different shapes and is easily blocked when winding the outer protective layer, which cannot improve the clamping buffering effect and is easy to damage the cell. Utility Model Content
[0004] In response to the problems in the existing technology, the utility model provides a fully automatic lithium battery cell winding limiting mechanism. The fully automatic lithium battery cell winding limiting mechanism is convenient for limiting battery cells of different shapes and there is no obstruction when winding the outer protective layer, thereby improving the buffering effect of clamping and avoiding damage to the battery cell.
[0005] The technical solution adopted by the utility model to solve the technical problem is a fully automatic lithium battery cell winding limit mechanism, which includes a base, a support vertical plate and a U-shaped plate. The top of the base is mounted with a support vertical plate by screws, and a strip-shaped sliding hole is opened on the support vertical plate. A sliding screw slides in the strip-shaped sliding hole, and a U-shaped plate is mounted on one side of the sliding screw through a screw hole.
[0006] The top of the U-shaped plate is installed with an electric cylinder through a mounting seat, and the output shaft of the electric cylinder is connected to a connecting plate through a bearing. The bottom of the connecting plate is connected to a pressing plate through a compression spring, and an electric turntable is installed on the inner bottom of the U-shaped plate through bolts.
[0007] By adopting the above technical solution, the fully automatic lithium battery cell winding limiting mechanism is convenient for limiting the cells of different shapes and there is no obstruction when winding the outer protective layer, thereby improving the buffering effect of clamping and avoiding damage to the cell.
[0008] Specifically, a motor controller is installed at the bottom of the U-shaped plate and at one end of the electric turntable by screws, and the output end of the motor controller is electrically connected to the input end of the electric turntable driving motor through a wire.
[0009] By adopting the above technical solution, the motor controller is used to easily control the rotation speed of the drive motor in the electric turntable, thereby controlling the winding speed of the lithium battery cell.
[0010] Specifically, both ends of the compression spring are connected to the pressing plate and the connecting plate respectively through a positioning piece and a positioning screw.
[0011] Specifically, one end of the sliding screw is sleeved with a locking nut, and the locking nut is located outside the strip-shaped sliding hole.
[0012] By adopting the above technical solution, the sliding screw slides in the strip-shaped sliding hole to move the U-shaped plate up and down, and the locking nut is tightened to position the sliding screw.
[0013] Specifically, a non-slip pad is bonded to the top of the electric turntable and the non-slip pad is specifically made of PU material.
[0014] Specifically, the electric turntable, the pressing plate, the connecting plate and the electric cylinder are on the same axis.
[0015] Beneficial effects of the utility model:
[0016] The utility model describes a fully automatic lithium battery cell winding limiting mechanism. The staff places the battery cell to be wound on the top of the electric turntable, and uses the electric cylinder to drive the pressing plate to move vertically downward, so as to facilitate the rapid limiting and fixing of the lithium battery cell. It is convenient to limit battery cells of different shapes and there is no obstruction when winding the outer protective layer. The elastic force of the compression spring is used to greatly improve the buffering effect of the clamping, thereby avoiding damage to the battery cell.
[0017] The utility model describes a fully automatic lithium battery cell winding limit mechanism, which utilizes an anti-slip pad specifically made of PU material, which has high elasticity, good anti-slip effect, acid and alkali corrosion resistance, and is durable. Since the electric turntable rotates at a constant speed, the clamped battery cell rotates at a constant speed under the action of the bearing, thereby facilitating the winding of the outer protective layer. The motor controller is used to conveniently control the speed of the drive motor in the electric turntable, thereby controlling the winding speed of the lithium battery cell to meet different usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a side view of the utility model;
[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the structure at point A.
[0022] In the figure: 1. Electric turntable; 2. Connecting plate; 3. Bearing; 4. Electric cylinder; 5. U-shaped plate; 6. Support vertical plate; 7. Motor controller; 8. Base; 9. Sliding screw; 10. Locking nut; 11. Strip sliding hole; 12. Compression spring; 13. Pressing plate; 14. Positioning piece; 15. Anti-slip pad. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] In order to make it easier for the fully automatic lithium battery cell winding limiter to limit cells of different shapes and to avoid blocking the outer protective layer when winding, the buffering effect of the clamping can be improved to avoid damaging the cell. Figure 1-3 As shown, the fully automatic lithium battery cell winding limit mechanism described in the present invention includes a base 8, a support vertical plate 6 and a U-shaped plate 5. The top of the base 8 is fixed with the support vertical plate 6 by screws, and the support vertical plate 6 is provided with a strip-shaped sliding hole 11. A sliding screw 9 slides in the strip-shaped sliding hole 11, and a U-shaped plate 5 is fixed to one side of the sliding screw 9 through a screw hole.
[0025] The top of the U-shaped plate 5 is installed with an electric cylinder 4 through a mounting seat, and the output shaft of the electric cylinder 4 is connected to the connecting plate 2 through a bearing 3. The bottom of the connecting plate 2 is connected to the pressing plate 13 through a compression spring 12. The inner bottom of the U-shaped plate 5 is installed with an electric turntable 1 through bolts.
[0026] When in use, the fully automatic lithium battery cell winding limit mechanism is convenient for limiting the cells of different shapes and there is no obstruction when winding the outer protective layer, thereby improving the buffering effect of clamping and avoiding damage to the cell.
[0027] For example, Figure 1 As shown, the utility model also includes a motor controller 7 installed at the bottom of the U-shaped plate 5 and at one end of the electric turntable 1 by screws, and the output end of the motor controller 7 is electrically connected to the input end of the driving motor of the electric turntable 1 through a wire.
[0028] When in use, the motor controller 7 is used to conveniently control the rotation speed of the driving motor in the electric turntable 1, thereby controlling the winding speed of the lithium battery cell.
[0029] For example, Figure 1 、 3 As shown, the present invention further includes that both ends of the compression spring 12 are connected to the pressing plate 13 and the connecting plate 2 respectively through a positioning piece 14 and a positioning screw.
[0030] When in use, the compression spring 12 is easily installed and removed through the positioning piece 14 and the positioning screw.
[0031] For example, Figure 1 、 2 As shown, the present invention further includes that one end of the sliding screw 9 is sleeved with a locking nut 10 and the locking nut 10 is located outside the strip-shaped sliding hole 11.
[0032] When in use, the sliding screw 9 slides in the strip-shaped sliding hole 11 to move the U-shaped plate 5 up and down, and the locking nut 10 is tightened to position the sliding screw 9.
[0033] For example, Figure 1 As shown, the present invention further includes that a non-slip pad 15 is bonded to the top of the electric turntable 1 and the non-slip pad 15 is specifically made of PU material.
[0034] During use, the anti-slip pad 15 is specifically made of PU material, which has high elasticity, good anti-slip effect, acid and alkali corrosion resistance, and is durable.
[0035] For example, Figure 1 、 2 As shown, the present invention also includes that the electric turntable 1, the pressing plate 13, the connecting plate 2 and the electric cylinder 4 are on the same axis.
[0036] When the utility model is in use, the staff places the battery cell to be wound on the top of the electric turntable 1, and uses the electric cylinder 4 to drive the pressing plate 13 to move vertically downward, so as to facilitate the rapid positioning and fixing of the lithium battery cell, facilitate positioning of battery cells of different shapes, and eliminate obstructions when winding the outer protective layer;
[0037] The elastic force of the compression spring 12 is utilized to greatly improve the buffering effect of the clamping, thereby avoiding damage to the battery cell. The anti-slip pad 15 is specifically made of PU material, which has high elasticity, good anti-slip effect, acid and alkali corrosion resistance, and is durable. Since the electric turntable 1 rotates at a constant speed, the clamped battery cell rotates at a constant speed under the action of the bearing 3, thereby facilitating the winding of the outer protective layer.
[0038] The motor controller 7 is used to conveniently control the rotation speed of the driving motor in the electric turntable 1, thereby controlling the winding speed of the lithium battery cell to meet different usage requirements.
[0039] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A fully automatic lithium battery cell winding limit mechanism, characterized in that: It comprises a base (8), a support vertical plate (6) and a U-shaped plate (5), wherein the top of the base (8) is mounted with the support vertical plate (6) by screws, and a strip-shaped sliding hole (11) is provided on the support vertical plate (6), a sliding screw (9) slides in the strip-shaped sliding hole (11), and a U-shaped plate (5) is mounted on one side of the sliding screw (9) through a screw hole; The top of the U-shaped plate (5) is mounted with an electric cylinder (4) via a mounting seat, and the output shaft of the electric cylinder (4) is connected to a connecting plate (2) via a bearing (3); the bottom of the connecting plate (2) is connected to a pressing plate (13) via a compression spring (12); and the inner bottom of the U-shaped plate (5) is mounted with an electric turntable (1) via bolts.
2. The fully automatic lithium battery cell winding limiting mechanism according to claim 1, characterized in that: A motor controller (7) is mounted on the bottom of the U-shaped plate (5) and located at one end of the electric turntable (1) via screws, and an output end of the motor controller (7) is electrically connected to an input end of a driving motor of the electric turntable (1) via a wire.
3. The fully automatic lithium battery cell winding limiting mechanism according to claim 1, characterized in that: Both ends of the compression spring (12) are connected to the pressing plate (13) and the connecting plate (2) respectively via positioning pieces (14) and positioning screws.
4. The fully automatic lithium battery cell winding limiting mechanism according to claim 1, characterized in that: One end of the sliding screw (9) is sleeved with a locking nut (10), and the locking nut (10) is located outside the strip-shaped sliding hole (11).
5. The fully automatic lithium battery cell winding limiting mechanism according to claim 1, characterized in that: An anti-slip pad (15) is bonded to the top of the electric turntable (1), and the anti-slip pad (15) is specifically made of PU material.
6. The fully automatic lithium battery cell winding limiting mechanism according to claim 1, characterized in that: The electric turntable (1), the pressing plate (13), the connecting plate (2) and the electric cylinder (4) are located on the same axis.