Shell cover seal welding anti-slip mechanism

Abstract

The utility model relates to the technical field of battery welding, in particular to a shell cover seal welding anti-slip mechanism which comprises a main support and a pressing assembly arranged on the support. The pressing assembly comprises a rotating assembly with one end connected to the main support and a handle connected to the rotating assembly. When in use, the rotating assembly drives the handle to rotate, so that the rotating speed of the handle is consistent with that of the cover plate, the phenomenon that the pressing assembly and the cover plate slip is avoided, the uniformity of a welding seam is improved, and the welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery welding, in particular to an anti-slip mechanism for shell cover sealing welding. Background Art

[0002] Currently, the double-pass aluminum shell 4 of a cylindrical battery is typically welded to the aluminum shell 4 by first welding one end cover plate 401 to the shell 4. This process typically involves pressing the well-positioned shell 401 against the top cover plate with a pressing head. The friction between the pressing head and the shell cover causes the shell to rotate, creating a circular weld. However, due to the relatively light weight of the shell, this technique often causes uneven friction, leading to slippage between the welding head and the shell, resulting in poor welding results or scratches on the cover plate. Utility Model Content

[0003] The purpose of the utility model is to provide a shell cover sealing welding anti-slip mechanism in response to the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model discloses a shell cover sealing welding anti-slip mechanism, which comprises a main bracket and a pressing assembly arranged on the bracket; the pressing assembly comprises a rotating assembly with one end connected to the main bracket and a handle connected to the rotating assembly.

[0006] Furthermore, the rotating assembly is connected to an internal pressure head; the handle is slidably connected to the internal pressure head; and a spring is connected between the handle and the internal pressure head.

[0007] Furthermore, a handle connecting block is slidably connected inside the internal pressure head; the handle is fixed on the handle connecting block; and both ends of the spring are respectively fixed on the handle connecting block and the internal pressure head.

[0008] Furthermore, the rotating assembly includes a motor with one end fixed on the main bracket; a coupling is fixed to the other end of the motor; and a rotating shaft is fixed between the coupling and the internal pressure head.

[0009] Furthermore, the exterior of the handle connecting block is covered with an outer cover.

[0010] Furthermore, an outer cover sliding sleeve is provided at the top end of the outer cover; the outer cover sliding sleeve is slidably connected to the inner pressure head.

[0011] Furthermore, a through hole is provided on the top of the outer cover.

[0012] Furthermore, an outer retaining ring is provided on the inner pressure head; the outer diameter of the outer retaining ring is larger than the outer diameter of the outer cover sliding sleeve; and the outer cover sliding sleeve is provided above the outer retaining ring.

[0013] Furthermore, the outer retaining ring extends to the bottom end surface of the inner pressure head.

[0014] Furthermore, the outer side wall of the outer cover sliding sleeve is provided with a strip hole extending in the height direction; and the outer side surface of the inner pressure head is provided with a threaded hole.

[0015] After adopting the above structure, the beneficial effects of the utility model are as follows: the shell cover sealing welding anti-slip mechanism described in the utility model, when using the utility model, is provided with a handle groove for use with the handle on the surface of the cover plate; the aluminum shell is fixed by the jig, and the jig can rotate freely, and the lifting assembly gradually lifts the jig and the aluminum shell while the rotating assembly drives the handle to rotate; the handle automatically finds its position and is inserted into the handle groove; the rotating assembly drives the handle to rotate, so that the rotation speed of the handle is consistent with the rotation speed of the cover plate, avoiding the slippage of the clamping assembly and the cover plate, improving the uniformity of the weld, and improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the pressing assembly pressing the cover plate onto the aluminum shell;

[0018] Description of reference numerals:

[0019] 1. Main bracket; 2. Coupling; 3. Motor; 4. Aluminum shell; 401, cover; 401a, handle slot;

[0020] 5. Fixture; 6. Lifting assembly; 7. Handle; 8. Internal pressure head; 801. External retaining ring;

[0021] 802, threaded hole; 9, outer cover; 901, outer cover sliding sleeve; 901a, strip hole; 902, through hole;

[0022] 10. Spring; 11. Handle connecting block; 12. Rotating shaft. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings.

[0024] like Figures 1 to 2 As shown, the shell cover sealing welding anti-slip mechanism of the present invention includes a main bracket 1 and a pressing assembly arranged on the bracket; the pressing assembly includes a rotating assembly with one end connected to the main bracket 1 and a handle 7 connected to the rotating assembly;

[0025] A handle groove 401a is provided on the surface of the cover plate 401 for use with the handle 7; the aluminum shell 4 is fixed by the jig 5, and the jig 5 can rotate freely. While the lifting assembly 6 gradually lifts the jig 5 and the aluminum shell 4, the rotating assembly drives the handle 7 to rotate; the handle 7 automatically finds its position and is inserted into the handle groove 401a; the rotating assembly drives the handle 7 to rotate, so that the rotation speed of the handle 7 is consistent with the rotation speed of the cover plate 401, avoiding slippage between the clamping assembly and the cover plate 401, improving the uniformity of the weld, and improving the welding quality.

[0026] As a preferred embodiment of the present invention, an internal pressure head 8 is connected to the rotating assembly; the handle 7 is slidably connected to the internal pressure head 8; a spring 10 is connected between the handle 7 and the internal pressure head 8; the spring 10 enables the handle 7 to rise and fall in the internal pressure head 8, and when the handle 7 contacts the end face of the handle groove 401a, elastic compression is formed. After the handle 7 is rotated to align with the handle groove 401a, the handle 7 is pressed into the handle groove 401a by the spring 10 to position it, thereby realizing the docking of the handle 7 and the handle groove 401a; the internal pressure head 8 is used to press the cover plate 401 as a whole into place, and the internal pressure head 8 increases the contact area with the cover plate 401, thereby reducing the pressure of the rotating assembly on the cover plate 401.

[0027] As a preferred embodiment of the present invention, a handle connecting block 11 is slidably connected to the internal pressure head 8; the handle 7 is fixed on the handle connecting block 11; the two ends of the spring 10 are respectively fixed on the handle connecting block 11 and the internal pressure head 8; the cross-section of the handle connecting block 11 is matched with the inner hole cross-section of the internal pressure head 8, so that the handle connecting block 11 cannot rotate in the internal pressure head 8, and the handle 7 slides on the internal pressure head 8 through the handle connecting block 11.

[0028] As a preferred embodiment of the present invention, the rotating assembly includes a motor 3 with one end fixed on the main bracket 1; a coupling 2 is fixed to the other end of the motor 3; a rotating shaft 12 is fixed between the coupling 2 and the internal pressure head 8; the motor 3 drives the rotating shaft 12 and the handle 7 on the internal pressure head 8 to rotate through the coupling 2.

[0029] As a preferred embodiment of the present invention, the handle connecting block 11 is covered with an outer cover 9 ; the bottom end surface of the outer cover 9 is sealed with the end surface of the cover plate 401 , thereby protecting the cover plate 401 from being burned by welding.

[0030] As a preferred embodiment of the present invention, an outer cover sliding sleeve 901 is provided at the top of the outer cover 9; the outer cover sliding sleeve 901 is slidably connected to the internal pressure head 8; the outer cover sliding sleeve 901 can freely rise and fall and slide on the internal pressure head 8; when the outer cover 9 contacts the cover plate 401, the cover plate 401 overcomes the outer cover 9's own gravity to lift the outer cover 9, preventing the outer cover 9 from rigidly squeezing the surface of the cover plate 401; and the outer cover 9 can always be sealed on the surface of the cover plate 401.

[0031] As a preferred embodiment of the present invention, a through hole 902 is provided on the top of the outer cover 9; the through hole 902 allows the interior of the outer cover 9 to communicate with the atmosphere, so that the air pressure inside and outside the outer cover 9 is consistent, so that the outer cover 9 can quickly fit with the cover plate 401 when falling, and can also assist in heat dissipation of the cover plate 401 during welding.

[0032] As a preferred embodiment of the present invention, an outer retaining ring 801 is provided on the inner pressure head 8; the outer diameter of the outer retaining ring 801 is larger than the outer diameter of the outer cover sliding sleeve 901; the outer cover sliding sleeve 901 is arranged above the outer retaining ring 801; the outer retaining ring 801 is used to limit the outer cover sliding sleeve 901 to prevent the outer cover 9 from sliding off the inner pressure head 8.

[0033] As a preferred embodiment of the present invention, the outer retaining ring 801 extends to the bottom end surface of the internal pressure head 8; the outer retaining ring 801 increases the contact surface between the internal pressure head 8 and the cover plate 401 as a whole, thereby reducing the risk of the cover plate 401 being deformed by the internal pressure head 8.

[0034] As a preferred embodiment of the present invention, the outer wall of the outer cover sliding sleeve 901 is provided with a strip hole 901a extending in the height direction; the outer surface of the inner pressure head 8 is provided with a threaded hole 802; a bolt is passed through the strip hole 901a and then threadedly connected to the threaded hole 802, so that the outer cover sliding sleeve 901 slides on the inner pressure head 8 along the length direction of the strip hole 901a, so that the outer cover sliding sleeve 901 will not rotate around the inner pressure head 8 but can rise and fall and slide on the inner pressure head 8.

[0035] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A shell cover sealing welding anti-slip mechanism, characterized by: It comprises a main support (1) and a pressing assembly arranged on the support; the pressing assembly comprises a rotating assembly having one end connected to the main support (1) and a handle (7) connected to the rotating assembly.

2. The shell cover sealing welding anti-slip mechanism according to claim 1, characterized in that: An internal pressure head (8) is connected to the rotating assembly; the handle (7) is slidably connected to the internal pressure head (8); and a spring (10) is connected between the handle (7) and the internal pressure head (8).

3. The shell cover sealing welding anti-slip mechanism according to claim 2, characterized in that: A handle connecting block (11) is slidably connected to the inner pressure head (8); the handle (7) is fixed to the handle connecting block (11); and both ends of the spring (10) are respectively fixed to the handle connecting block (11) and the inner pressure head (8).

4. The shell cover sealing welding anti-slip mechanism according to claim 2, characterized in that: The rotating assembly comprises a motor (3) having one end fixed to a main bracket (1); a coupling (2) is fixed to the other end of the motor (3); and a rotating shaft (12) is fixed between the coupling (2) and the internal pressure head (8).

5. The shell cover sealing welding anti-slip mechanism according to claim 3, characterized in that: The handle connecting block (11) is covered with an outer cover (9) on the outside.

6. The shell cover sealing welding anti-slip mechanism according to claim 5, characterized in that: An outer cover sliding sleeve (901) is provided at the top end of the outer cover (9); the outer cover sliding sleeve (901) is slidably connected to the inner pressure head (8).

7. The shell cover sealing welding anti-slip mechanism according to claim 5, characterized in that: A through hole (902) is provided on the top of the outer cover (9).

8. The shell cover sealing welding anti-slip mechanism according to claim 6, characterized in that: An outer retaining ring (801) is provided on the inner pressure head (8); the outer diameter of the outer retaining ring (801) is larger than the outer diameter of the outer cover sliding sleeve (901); and the outer cover sliding sleeve (901) is provided above the outer retaining ring (801).

9. The shell cover sealing welding anti-slip mechanism according to claim 8, characterized in that: The outer retaining ring (801) extends to the bottom end surface of the inner pressure head (8).

10. The shell cover sealing welding anti-slip mechanism according to claim 6, characterized in that: The outer side wall of the outer cover sliding sleeve (901) is provided with a strip-shaped hole (901a) extending in the height direction; and the outer side surface of the inner pressure head (8) is provided with a threaded hole (802).

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