Lithium battery welding and assembling clamp

Abstract

The utility model relates to the field of welding assembly clamps, and discloses a lithium battery welding assembly clamp. According to the device, an auxiliary sliding rod is welded to the upper surface of the main supporting plate, a main supporting frame is movably connected to the upper surface of the auxiliary sliding rod, a negative pressure pump is arranged on the outer surface of the main supporting frame, a connecting pipe is fixedly connected to the position, on the outer surface of the other side of the negative pressure pump, of the main supporting frame, and a stress spring movably sleeves the outer surface of the connecting pipe; according to the device, a lithium battery is placed on the main supporting plate to be supported, the auxiliary sliding rod supports the main supporting frame, the main supporting frame serves as a main component of the lithium battery assembling clamp, negative pressure generated by the negative pressure pump passes through a channel of the connecting pipe, and the negative pressure of the negative pressure pump is generated through the negative pressure. And auxiliary supporting is carried out after the suction cups make contact with and adsorb the lithium batteries, so that supporting can be formed on the surfaces of the lithium batteries in different shapes, and clamping stability is guaranteed.

Description

Technical Field

[0001] This application belongs to the field of welding assembly fixture technology, specifically a lithium battery welding assembly fixture. Background Technology

[0002] Lithium-ion battery welding and assembly fixtures are specialized tools used in the lithium-ion battery production process, particularly in the welding and assembly of individual battery cells. Their primary function is to fix and support battery components, ensuring that battery cells, tabs, and other parts maintain accurate positioning during welding to guarantee welding quality and assembly precision. Welding and assembly fixtures are typically made of high-strength metals or special engineering plastics, possessing properties such as high temperature resistance and corrosion resistance, capable of withstanding the high temperatures and pressures generated during welding. Simultaneously, the fixture design emphasizes compact structure, ease of operation, and rapid adjustment to adapt to the production needs of different battery models and specifications. By using welding and assembly fixtures, production efficiency can be improved, human error reduced, and higher precision and consistency ensured during lithium-ion battery assembly, ultimately enhancing the quality and reliability of the final product.

[0003] For example, application CN220698640U discloses a battery welding assembly fixture, including a carrier positioning module, a welding platform, and a side clamping block. The welding platform is located at one end of the carrier positioning module, and the side clamping block is located at the other end. A push plate is provided at the bottom of the side clamping block, and the push plate is connected to the piston rod of a clamping cylinder. The clamping cylinder is located below the carrier positioning module. The carrier positioning module is controlled to lift and lower by a first lifting drive. An opening mechanism is provided at the bottom of the welding platform. Compared with the prior art, this application has a simple structure, occupies little space, is easy to manufacture and install, and effectively prevents welding abnormalities. It solves the problem of poor welding effect caused by electrode deformation, prevents product displacement, and simplifies debugging with its split-type structural design.

[0004] However, in this application, the clamping of some lithium batteries that require special shape processing according to the accessories is prone to slippage, which is not conducive to welding operations. Utility Model Content

[0005] The purpose of this application is to provide a lithium battery welding assembly fixture to solve the problem mentioned above that the clamping of lithium batteries that require special shape processing according to accessories is prone to slippage, which is not conducive to welding operations.

[0006] The technical solution adopted in this application is as follows: a lithium battery welding and assembly fixture, including a main support plate, an auxiliary slide rod welded on the upper surface of the main support plate, a main support frame movably connected to the upper surface of the auxiliary slide rod, a negative pressure pump provided on the outer surface of the main support frame, a connecting pipe fixedly connected to the outer surface of the main support frame on the other side of the negative pressure pump, a force-bearing spring movably sleeved on the outer surface of the connecting pipe, and a suction cup fixedly connected to the outer surface of the end of the connecting pipe away from the negative pressure pump.

[0007] By adopting the above technical solution, the device supports the lithium battery by placing it on the main support plate and the auxiliary slide rod supports the main support frame. The main support frame is the main component of the lithium battery assembly fixture. The negative pressure generated by the negative pressure pump is used to provide auxiliary support after the suction cup contacts and adsorbs the lithium battery through the channel of the connecting pipe, thereby ensuring that the surface of the lithium battery in different shapes can form support and ensuring the stability of the clamping.

[0008] In a preferred embodiment, a first telescopic motor is provided on the outer surface of the middle of the main support frame, and a force-bearing plate is welded to the outer surface of the output end of the first telescopic motor.

[0009] By adopting the above technical solution, the extension and retraction of the first telescopic motor drives the force-bearing plate to complete the overall force for clamping the upper end of the lithium battery.

[0010] In a preferred embodiment, a clamping rod is welded to the outer surface of the force-bearing plate, and a second telescopic motor is fixedly connected to the outer surface of the clamping rod.

[0011] By adopting the above technical solution, the clamping rod makes contact with the lithium battery, thereby completing the clamping. The second telescopic motor drives the extension and retraction of the clamping plate to increase the depth of reinforcement.

[0012] In a preferred embodiment, an adjusting clamp is fixedly connected to the outer surface of the output end of the second telescopic motor, and the outer surface of the adjusting clamp is movably connected to the clamping rod.

[0013] By adopting the above technical solution, the clamping depth of the lithium battery can be adjusted by extending and retracting the clamping rod.

[0014] In a preferred embodiment, a grounding rod is fixedly connected to the outer surface of the first telescopic motor, and a fixing frame is fixedly connected to the outer surface of the first telescopic motor.

[0015] By adopting the above technical solution, the grounding rod grounds the lithium battery through contact, ensuring safe welding. The holes in the fixing frame, connecting frame, and various supporting components facilitate the support and fixing installation of welding components or corresponding matching components.

[0016] In a preferred embodiment, a hydraulic press is fixedly connected to the upper surface of the main support plate, and a connecting frame is welded to the outer surface of the output end of the hydraulic press. The outer surface of the connecting frame is welded to the main support frame.

[0017] By adopting the above technical solution, the hydraulic press drives the main support frame to move back and forth as a whole, and the holes of the connecting frame and each support component facilitate the welding of components or corresponding matching components for support and fixing installation.

[0018] In a preferred embodiment, a third telescopic motor is provided on the inner surface of the main support plate, and an inclined support block is fixedly connected to the outer surface of the output end of the third telescopic motor.

[0019] By adopting the above technical solution, the extension and retraction of the third telescopic motor drives the inclined support block, and the corresponding main support plate and inclined support block at the lower end squeeze to fix the lithium battery.

[0020] In a preferred embodiment, a camera is provided on the outer surface of the main support frame, and a working platform is welded to the outer surface of the main support plate.

[0021] By adopting the above technical solutions, the camera facilitates video monitoring during lithium battery welding, ensuring welding quality and assisting remote operations, while the work platform facilitates the placement of lithium batteries.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0023] In this application, the device supports the lithium battery by placing it on the main support plate and the auxiliary slide bar supports the main support frame. The main support frame is the main component of the lithium battery assembly fixture. The negative pressure generated by the negative pressure pump is used to provide auxiliary support after the suction cup contacts and adsorbs the lithium battery through the channel of the connecting pipe, thereby ensuring that the surface of the lithium battery of different shapes can form support and ensuring the stability of the clamping. Attached Figure Description

[0024] Figure 1 This is a front view of the device in this application;

[0025] Figure 2 This is a schematic diagram of the rear of the device in this application;

[0026] Figure 3 This is a side view of the clamping structure in this application;

[0027] Figure 4 This is a front view of the clamping structure in this application.

[0028] The markings in the diagram are: 1. Main support plate; 2. Auxiliary slide bar; 3. Main support frame; 4. Negative pressure pump; 5. Connecting pipe; 6. Suction cup; 7. Force spring; 8. First telescopic motor; 9. Force plate; 10. Clamping rod; 11. Second telescopic motor; 12. Adjusting clamping plate; 13. Grounding rod; 14. Fixing frame; 15. Hydraulic press; 16. Connecting frame; 17. Third telescopic motor; 18. Angled support block; 19. Camera; 20. Working platform. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] Example:

[0031] Reference Figure 1-4 A lithium battery welding and assembly fixture includes a main support plate 1, an auxiliary slide rod 2 welded to the upper surface of the main support plate 1, a main support frame 3 movably connected to the upper surface of the auxiliary slide rod 2, a negative pressure pump 4 provided on the outer surface of the main support frame 3, a connecting pipe 5 fixedly connected to the outer surface of the main support frame 3 on the other side of the negative pressure pump 4, a force-bearing spring 7 movably sleeved on the outer surface of the connecting pipe 5, and a suction cup 6 fixedly connected to the outer surface of the end of the connecting pipe 5 away from the negative pressure pump 4.

[0032] The device supports the lithium battery by placing it on the main support plate 1, and the auxiliary slide bar 2 supports the main support frame 3. The main support frame 3 is the main component of the lithium battery assembly fixture. The negative pressure generated by the negative pressure pump 4 is used to provide auxiliary support after the suction cup 6 contacts and adsorbs the lithium battery through the channel of the connecting pipe 5, thereby ensuring that the surface of the lithium battery in different shapes can form support and ensuring the stability of the clamping.

[0033] Reference Figure 1-4 The main support frame 3 has a first telescopic motor 8 installed on its outer surface in the middle, and a force-bearing plate 9 is welded to the outer surface of the output end of the first telescopic motor 8.

[0034] The extension and retraction of the first telescopic motor 8 drives the force-bearing plate 9 to complete the overall force for clamping the upper end of the lithium battery.

[0035] Reference Figure 1-4 A clamping rod 10 is welded to the outer surface of the force-bearing plate 9, and a second telescopic motor 11 is fixedly connected to the outer surface of the clamping rod 10.

[0036] The clamping rod 10 makes contact with the lithium battery, thereby completing the clamping. The second telescopic motor 11 drives the extension and retraction of the adjusting clamping plate 12 to increase the depth of reinforcement.

[0037] Reference Figure 1-4 An adjusting clamp 12 is fixedly connected to the outer surface of the output end of the second telescopic motor 11, and the outer surface of the adjusting clamp 12 is movably connected to the clamp rod 10.

[0038] The clamping plate 12 is adjusted by extending and retracting the clamping rod 10 to complete the clamping depth adjustment of the lithium battery.

[0039] Reference Figure 1-4 A grounding rod 13 is fixedly connected to the outer surface of the first telescopic motor 8, and a fixing frame 14 is fixedly connected to the outer surface of the first telescopic motor 8.

[0040] The grounding rod 13 grounds the lithium battery by contacting it, ensuring safe welding. The fixing frame 14, connecting frame 16, and holes of each supporting component facilitate the support and fixing of the welding components or corresponding matching components.

[0041] Reference Figure 1-2 A hydraulic press 15 is fixedly connected to the upper surface of the main support plate 1. A connecting frame 16 is welded to the outer surface of the output end of the hydraulic press 15. The outer surface of the connecting frame 16 is welded to the main support frame 3.

[0042] The hydraulic press 15 drives the main support frame 3 to move back and forth as a whole. The connecting frame 16 and the holes of each support component facilitate the welding of components or corresponding matching components for support and fixing installation.

[0043] Reference Figure 1-2 The inner surface of the main support plate 1 is provided with a third telescopic motor 17, and the outer surface of the output end of the third telescopic motor 17 is fixedly connected with an inclined support block 18.

[0044] The extension and retraction of the third telescopic motor 17 drives the inclined support block 18, and the corresponding main support plate 1 and inclined support block 18 at the lower end squeeze and fix the lithium battery.

[0045] Reference Figure 1-4 A camera 19 is installed on the outer surface of the main support frame 3, and a working platform 20 is welded to the outer surface of the main support plate 1.

[0046] Camera 19 facilitates video monitoring during lithium battery welding, ensuring welding quality and assisting remote operations, while work platform 20 facilitates the placement of lithium batteries.

[0047] The implementation principle of an embodiment of a lithium battery welding and assembly fixture in this application is as follows:

[0048] In use, the lithium battery is placed on the working platform 20. The extension and retraction of the third telescopic motor 17 drives the inclined support block 18. The corresponding main support plate 1 and the inclined support block 18 at the lower end press and fix the lithium battery. The upper end of the lithium battery is adjusted for the fixing depth by the extension and retraction of the hydraulic press 15. The first telescopic motor 8 drives the force plate 9 and the clamping rod 10 to move from the center to both sides by extension and retraction, which facilitates the width clamping at the upper end. The second telescopic motor 11 drives the extension and retraction of the adjusting clamping plate 12 to increase the reinforcement depth. The device supports the lithium battery by placing it on the main support plate 1. The auxiliary slide rod 2 supports the main support frame 3. The main support frame 3 is the main component of the lithium battery assembly fixture. The negative pressure generated by the negative pressure pump 4 is used to provide auxiliary support after the suction cup 6 contacts and adsorbs the lithium battery through the channel of the connecting pipe 5, thereby ensuring that the surface of the lithium battery of different shapes can form support and ensuring the stability of the clamping. The grounding rod 13 grounds the battery by contacting the lithium battery to ensure safe welding. The holes of the fixing frame 14, the connecting frame 16 and each support component facilitate the support and fixing installation of welding components or corresponding matching components.

[0049] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A lithium battery welding and assembly fixture, comprising a main support plate (1), characterized in that: An auxiliary slide rod (2) is welded to the upper surface of the main support plate (1). A main support frame (3) is movably connected to the upper surface of the auxiliary slide rod (2). A negative pressure pump (4) is provided on the outer surface of the main support frame (3). A connecting pipe (5) is fixedly connected to the outer surface of the main support frame (3) on the other side of the negative pressure pump (4). A force-bearing spring (7) is movably sleeved on the outer surface of the connecting pipe (5). A suction cup (6) is fixedly connected to the outer surface of the connecting pipe (5) away from the negative pressure pump (4).

2. The lithium battery welding and assembly fixture as described in claim 1, characterized in that: The main support frame (3) has a first telescopic motor (8) on its outer surface in the middle, and a force-bearing plate (9) is welded to the outer surface of the output end of the first telescopic motor (8).

3. A lithium battery welding and assembly fixture as described in claim 2, characterized in that: The outer surface of the force plate (9) is welded with a clamping rod (10), and the outer surface of the clamping rod (10) is fixedly connected with a second telescopic motor (11).

4. A lithium battery welding and assembly fixture as described in claim 3, characterized in that: An adjusting clamp (12) is fixedly connected to the outer surface of the output end of the second telescopic motor (11), and the outer surface of the adjusting clamp (12) is movably connected to the clamp rod (10).

5. A lithium battery welding and assembly fixture as described in claim 2, characterized in that: The first telescopic motor (8) has a grounding rod (13) fixedly connected to its outer surface, and a fixing frame (14) fixedly connected to its outer surface.

6. A lithium battery welding and assembly fixture as described in claim 1, characterized in that: A hydraulic press (15) is fixedly connected to the upper surface of the main support plate (1), and a connecting frame (16) is welded to the outer surface of the output end of the hydraulic press (15). The outer surface of the connecting frame (16) is welded to the main support frame (3).

7. A lithium battery welding and assembly fixture as described in claim 1, characterized in that: The inner surface of the main support plate (1) is provided with a third telescopic motor (17), and the outer surface of the output end of the third telescopic motor (17) is fixedly connected with an inclined support block (18).

8. A lithium battery welding and assembly fixture as described in claim 1, characterized in that: A camera (19) is provided on the outer surface of the main support frame (3), and a working platform (20) is welded on the outer surface of the main support plate (1).

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