Battery aluminum shell welding equipment
By using the lifting, rotating, and adjusting components of the battery aluminum shell welding equipment, the problem of not being able to weld the bottom and cover plate of square battery aluminum shells in existing technologies has been solved, enabling full welding of battery aluminum shells.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-18
- Publication Date
- 2026-04-14
AI Technical Summary
Existing technology can only clamp and weld the weld seam after bending the aluminum plate, and cannot easily weld the bottom and cover plate of the square battery aluminum shell.
A battery aluminum shell welding device is used, which includes a worktable, lifting components, rotating components and adjusting components. The aluminum plate is clamped by the clamping components, and the lifting and rotating functions are combined to achieve the welding of the square aluminum shell bottom plate and cover plate.
It enables convenient welding of the base plate and cover plate of the square battery aluminum casing, meeting the complete welding requirements of the battery aluminum casing.
Smart Images

Figure CN224115405U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of battery aluminum shell production technology, specifically, it relates to a battery aluminum shell welding equipment. Background Technology
[0002] In the production and processing of aluminum casings for lithium battery cell installation, aluminum plates are first cut into blanks of uniform size, then the blanks are bent, and the strip-shaped weld seams on the seamed side are welded to obtain the finished product.
[0003] Chinese utility model patent CN213318446U discloses a laser welding fixture for the side seam of a battery aluminum shell, including a horizontal base and a first column and a second column fixed at intervals on the horizontal base. A support plate and a pressing plate are sequentially hinged on the first column from bottom to top. The upper edge of the support plate is provided with a longitudinal straightening groove, and the lower edge of the pressing plate is provided with a longitudinal straightening protrusion for pressing the seamed side of the battery aluminum shell in the longitudinal straightening groove. Transverse straightening plates are provided on both sides of the lower edge of the pressing plate, and the distance between the two transverse straightening plates corresponds to the width of the battery aluminum shell.
[0004] The aforementioned existing technology also has the following drawbacks: it can only clamp and weld the aluminum plate after bending, but it cannot easily weld the bottom of the square battery aluminum shell and the cover plate. Utility Model Content
[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0006] To address the problem mentioned in the background art that only aluminum plates can be bent and clamped for welding, but welding is not convenient when welding the bottom of the square battery aluminum shell and the cover plate, the present invention adopts the following technical solution.
[0007] A battery aluminum shell welding device includes a worktable, with support legs fixedly connected to the four corners of the bottom of the worktable, a laser generator detachably connected to the bottom of the worktable, a laser welding gun connected to the laser generator, a lifting assembly installed on one side of the upper end of the worktable, a rotating assembly installed on the lifting assembly, an installation plate installed on the rotating assembly, and a clamping assembly installed at the bottom of the installation plate, the clamping assembly clamping a square aluminum shell and a bent aluminum plate.
[0008] Preferably, an adjustment component is installed on one side of the worktable, which allows the laser welding gun to move up, down, left, right, forward, and backward.
[0009] Preferably, the lifting assembly includes a second drive motor, a drive screw, a first sliding block, and a lifting plate. A first sliding rail is detachably connected to one side of the upper end of the worktable. A first sliding block is slidably connected inside the first sliding rail. A drive screw is rotatably connected inside the first sliding rail. The drive screw is threadedly connected to the first sliding block. A second drive motor is detachably connected to the upper end of the first sliding rail. A lifting plate is fixedly connected to the outer wall of the first sliding block.
[0010] Preferably, the rotating assembly includes a first drive motor, the upper end of the lifting plate is detachably connected to the first drive motor, and the telescopic end of the first drive motor passes through the lifting plate and is detachably connected to the upper end of the mounting plate.
[0011] Preferably, the clamping assembly includes a sliding groove, an adjusting screw, a U-shaped bracket, a rubber clamping plate, an adjusting bolt, and a rotating plate. A rotating base is rotatably connected to the center of the upper end of the worktable. The bottom of the mounting plate is provided with four sliding grooves arranged in a circumferential array. An adjusting screw is rotatably connected inside each sliding groove. One end of the adjusting screw passes through the mounting plate and is fixedly connected to the rotating plate. A U-shaped bracket with its opening facing downward is slidably connected inside the sliding groove. The U-shaped bracket is threadedly connected to the adjusting screw. An adjusting bolt is rotatably connected to one side of the U-shaped bracket. The threaded end of the adjusting bolt is inserted into the interior of the U-shaped bracket and rotatably connected to the rubber clamping plate.
[0012] Preferably, the adjustment assembly includes a second sliding rail, an electric telescopic rod, a second sliding block, a first electric slide rail, and a second electric slide rail. The first electric slide rail is embedded in one side of the upper end of the worktable. The second electric slide rail is slidably connected inside the first electric slide rail. The axes of the second electric slide rail and the first electric slide rail are perpendicular to each other. The second sliding rail is slidably connected inside the second electric slide rail. The second sliding block is slidably connected inside the second sliding rail. The laser welding gun is detachably connected to the outer wall of the second sliding block. The electric telescopic rod is detachably connected to the upper end of the second sliding rail. The telescopic end of the electric telescopic rod is inserted into the interior of the second sliding rail and detachably connected to the top of the second sliding block.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. By rotating the adjusting bolt in the clamping assembly, the rubber clamping disc moves inside the U-shaped bracket to clamp the edge of the aluminum plate. Then, by rotating the rotating disk, the adjusting screw can be rotated, thereby adjusting the position of the U-shaped bracket according to the bent aluminum plate, which facilitates welding. When welding the square aluminum shell base plate, the base plate is placed on the rotating base, and the lifting assembly is used to lower it so that the four sides of the square aluminum shell are on top of the base plate. Then, the base plate is welded with a laser welding gun. When welding the battery cover plate, the position of the U-shaped bracket is adjusted by rotating the rotating disk so that each U-shaped bracket is stuck on the outer wall of the square aluminum shell, thereby enabling the welding of the top cover of the square battery aluminum shell.
[0015] 2. Through the set lifting and rotating components, the second drive motor drives the drive screw to rotate, thereby enabling the lifting plate to move up and down. The first drive motor rotates the electric mounting plate, thereby rotating the clamped aluminum plate, thus enabling the rotation adjustment direction when welding the square aluminum shell base plate and cover plate.
[0016] 3. The first and second electric slide rails in the adjustable components enable the laser welding gun to move left, right, forward, and backward. The extension and retraction of the electric telescopic rod enables the laser welding gun to move up and down, thereby satisfying the purpose of welding the gaps of bent aluminum plates, as well as welding the bottom plate and cover plate of square aluminum shells. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of a battery aluminum shell welding device according to the present invention;
[0018] Figure 2 This is a schematic diagram of the lifting component structure in this utility model;
[0019] Figure 3 This is a schematic diagram of the clamping component structure in this utility model;
[0020] Figure 4 This is a schematic diagram of the adjustment component structure in this utility model.
[0021] The correspondence between the labels and component names in the attached figures is as follows:
[0022] 100. Workbench; 101. Support legs; 102. Rotating base;
[0023] 200. Mounting plate; 201. Lifting plate; 202. First drive motor; 203. Second drive motor; 204. First sliding block; 205. Drive screw; 206. Sliding groove; 207. Adjusting screw; 208. U-shaped bracket; 209. Rubber clamping plate; 210. Adjusting bolt; 211. Rotating plate; 212. First sliding rail;
[0024] 300. Laser welding torch; 301. Second sliding rail; 302. Electric telescopic rod; 303. Second sliding block; 304. First electric slide rail; 305. Laser generating device; 306. Second electric slide rail. Detailed Implementation
[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. The present invention provides the following embodiments.
[0028] like Figure 1 As shown, this is a schematic diagram of a battery aluminum shell welding device according to a preferred embodiment of the present invention. The battery aluminum shell welding device of this embodiment includes a worktable 100, with support legs 101 fixedly connected to the four corners of the bottom of the worktable 100. An mounting plate 200 is installed on the top of the worktable 100, and a laser welding gun 300 is installed on one side of the upper end of the worktable 100. In this embodiment, the bent aluminum plate is fixed to the bottom of the mounting plate 200, and the gap at the bend is welded by the laser welding gun 300.
[0029] like Figure 2As shown, this is a schematic diagram of the lifting assembly structure in this embodiment. A first sliding rail 212 is detachably connected to one side of the upper end of the worktable 100. A first sliding block 204 is slidably connected inside the first sliding rail 212. A drive screw 205 is rotatably connected inside the first sliding rail 212. The drive screw 205 is threadedly connected to the first sliding block 204. A second drive motor 203 is detachably connected to the upper end of the first sliding rail 212. A lifting plate 201 is fixedly connected to the outer wall of the first sliding block 204. A first drive motor 202 is detachably connected to the upper end of the lifting plate 201. The telescopic end of the first drive motor 202 passes through the lifting plate 201 and is detachably connected to the upper end of the mounting plate 200. In this embodiment, the second drive motor 203 rotates to drive the drive screw 205 to rotate, thereby enabling the lifting plate 201 to move up and down. The first drive motor 202 rotates to rotate the electric mounting plate 200, thereby enabling the clamped aluminum plate to rotate. This allows for rotational adjustment of the direction when welding the square aluminum shell base plate and cover plate.
[0030] It is worth noting that the second drive motor 203, drive screw 205, first sliding block 204 and lifting plate 201 mentioned above are the lifting components in this embodiment. The lifting components include, but are not limited to, the second drive motor 203, drive screw 205, first sliding block 204 and lifting plate 201. Any component that can make the mounting plate 200 move up and down can be used in this embodiment.
[0031] It is also worth noting that the first drive motor 202 mentioned above is the rotating component in this embodiment. The rotating component includes, but is not limited to, the first drive motor 202. Any component that can make the mounting plate 200 rotate can be applied to this embodiment.
[0032] like Figure 3As shown, this is a schematic diagram of the clamping assembly structure in this embodiment. A rotating base 102 is rotatably connected to the center of the upper end of the worktable 100. The bottom of the mounting plate 200 has four sliding grooves 206 arranged in a circular array. An adjusting screw 207 is rotatably connected inside each sliding groove 206. One end of the adjusting screw 207 passes through the mounting plate 200 and is fixedly connected to a rotating plate 211. A U-shaped bracket 208 with its opening facing downwards is slidably connected inside the sliding groove 206. The U-shaped bracket 208 is threadedly connected to the adjusting screw 207. An adjusting bolt 210 is rotatably connected to one side of the U-shaped bracket 208. The threaded end of the adjusting bolt 210 is inserted into the U-shaped bracket 208 and rotatably connected to a rubber clamping plate 209. In this embodiment, by rotating... The adjusting bolt 210 moves the rubber clamping plate 209 inside the U-shaped bracket 208 to clamp the edge of the aluminum plate. Then, by rotating the rotating disk 211, the adjusting screw 207 is rotated, so that the position of the U-shaped bracket 208 can be adjusted according to the bent aluminum plate, which facilitates welding. When welding the square aluminum shell base plate, the base plate is placed on the rotating base 102, and the lifting component is lowered so that the four sides of the square aluminum shell are placed on the base plate. Then, the laser welding gun 300 is used to weld the base plate. When welding the battery cover, the position of the U-shaped bracket 208 is adjusted by rotating the rotating disk 211 so that each U-shaped bracket 208 is stuck on the outer wall of the square aluminum shell, so that the top cover of the square battery aluminum shell can be welded.
[0033] It is worth noting that the sliding groove 206, adjusting screw 207, U-shaped bracket 208, rubber clamping plate 209, adjusting bolt 210, and rotating disk 211 mentioned above are clamping components in this embodiment. The clamping components include, but are not limited to, the sliding groove 206, adjusting screw 207, U-shaped bracket 208, rubber clamping plate 209, adjusting bolt 210, and rotating disk 211. Any component that can clamp the bent aluminum plate of the square aluminum shell and the welded square aluminum shell can be used in this embodiment.
[0034] like Figure 4As shown, this is a schematic diagram of the adjustment component structure in this embodiment. A first electric slide rail 304 is embedded in one side of the upper end of the workbench 100. A second electric slide rail 306 is slidably connected inside the first electric slide rail 304. The axes of the second electric slide rail 306 and the first electric slide rail 304 are perpendicular to each other. A second sliding rail 301 is slidably connected inside the second electric slide rail 306. A second sliding block 303 is slidably connected inside the second sliding rail 301. The laser welding gun 300 is detachably connected to the outer wall of the second sliding block 303. The bottom of the workbench 100 is detachably connected to... The device includes a laser generator 305. An electric telescopic rod 302 is detachably connected to the upper end of the second sliding rail 301. The telescopic end of the electric telescopic rod 302 is inserted into the interior of the second sliding rail 301 and detachably connected to the top of the second sliding block 303. In this embodiment, the laser welding gun 300 can move left and right and back and forth through the first electric sliding rail 304 and the second electric sliding rail 306. The laser welding gun 300 can move up and down through the extension and shortening of the electric telescopic rod 302. This can satisfy the purpose of welding the gaps of bent aluminum plates, as well as welding the bottom plate and cover plate of square aluminum shells.
[0035] It is worth noting that the second sliding rail 301, electric telescopic rod 302, second sliding block 303, first electric slide rail 304 and second electric slide rail 306 mentioned above are adjustment components in this embodiment. The adjustment components include, but are not limited to, the second sliding rail 301, electric telescopic rod 302, second sliding block 303, first electric slide rail 304 and second electric slide rail 306. Any component that can make the laser welding gun 300 move up, down, left, right and back can be used in this embodiment.
[0036] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.
Claims
1. A battery aluminum shell welding device, comprising a worktable (100), wherein support legs (101) are fixedly connected to the four corners of the bottom of the worktable (100), characterized in that, A laser generator (305) is detachably connected to the bottom of the worktable (100). A laser welding gun (300) is connected to the laser generator (305). A lifting assembly is installed on one side of the upper end of the worktable (100). A rotating assembly is installed on the lifting assembly. An installation plate (200) is installed on the rotating assembly. A clamping assembly is installed at the bottom of the installation plate (200). The clamping assembly clamps the square aluminum shell and the bent aluminum plate.
2. The battery aluminum casing welding equipment according to claim 1, characterized in that, An adjustment component is installed on one side of the workbench (100), which allows the laser welding gun (300) to move up, down, left, right, back and forth.
3. The battery aluminum casing welding equipment according to claim 2, characterized in that, The lifting assembly includes a second drive motor (203), a drive screw (205), a first sliding block (204), and a lifting plate (201). A first sliding rail (212) is detachably connected to one side of the upper end of the worktable (100). The first sliding block (204) is slidably connected inside the first sliding rail (212). The drive screw (205) is rotatably connected inside the first sliding rail (212). The drive screw (205) is threadedly connected to the first sliding block (204). The second drive motor (203) is detachably connected to the upper end of the first sliding rail (212). The lifting plate (201) is fixedly connected to the outer wall of the first sliding block (204).
4. The battery aluminum casing welding equipment according to claim 3, characterized in that, The rotating assembly includes a first drive motor (202), the upper end of the lifting plate (201) is detachably connected to the first drive motor (202), and the telescopic end of the first drive motor (202) passes through the lifting plate (201) and is detachably connected to the upper end of the mounting plate (200).
5. The battery aluminum casing welding equipment according to claim 4, characterized in that, The clamping assembly includes a sliding groove (206), an adjusting screw (207), a U-shaped bracket (208), a rubber clamping plate (209), an adjusting bolt (210), and a rotating plate (211). A rotating base (102) is rotatably connected to the upper center of the worktable (100). The bottom of the mounting plate (200) is provided with four sliding grooves (206) arranged in a circular array. An adjusting screw (207) is rotatably connected inside each sliding groove (206). One end of (207) extends out of the mounting plate (200) and is fixedly connected to the rotating plate (211). The sliding groove (206) is slidably connected to the U-shaped bracket (208) with its opening facing downward. The U-shaped bracket (208) is threadedly connected to the adjusting screw (207). One side of the U-shaped bracket (208) is rotatably connected to the adjusting bolt (210). The threaded end of the adjusting bolt (210) is inserted into the U-shaped bracket (208) and is rotatably connected to the rubber clamping plate (209).
6. The battery aluminum casing welding equipment according to claim 5, characterized in that, The adjustment assembly includes a second sliding rail (301), an electric telescopic rod (302), a second sliding block (303), a first electric slide rail (304), and a second electric slide rail (306). The first electric slide rail (304) is embedded in one side of the upper end of the worktable (100). The second electric slide rail (306) is slidably connected inside the first electric slide rail (304). The axes of the second electric slide rail (306) and the first electric slide rail (304) are perpendicular to each other. The second sliding rail (301) is slidably connected inside the second sliding rail (301), and the second sliding block (303) is slidably connected inside the second sliding rail (301). The laser welding gun (300) is detachably connected to the outer wall of the second sliding block (303). An electric telescopic rod (302) is detachably connected to the upper end of the second sliding rail (301). The telescopic end of the electric telescopic rod (302) is inserted into the interior of the second sliding rail (301) and detachably connected to the top of the second sliding block (303).
Citation Information
Patent Citations
Side seam laser welding clamp of battery aluminum shell
CN213318446U