A lithium battery end cover welding clamp

Abstract

The utility model provides a kind of lithium battery end cover welding fixture, belong to welding technical field, including a kind of lithium battery end cover welding fixture, including moving assembly, including support base, the support plate of fixed connection in the support base top, the first fixed buckle of fixed connection in the support plate top, the pivot of rotation connection in the inner wall of the first fixed buckle, fixedly connected in the lateral wall of the pivot the fixed disc of fixed connection, and fixedly connected in the pivot end the connecting block, the support plate is symmetrically arranged in the support base top, the fixed disc lateral wall is provided with hole groove.The utility model makes lithium battery convenient to carry and adjust position by the universal wheel of support base bottom, fixed disc cooperation bolt makes lithium battery can be according to the need of worker, rotation angle, convenient welding, the cooperation of double-end screw rod and clamping plate makes lithium battery be fixed in equipment central, the setting of suction cup is convenient to the quick fixation of end cover also can reduce the damage of hard contact to end cover.

Description

Technical Field

[0001] This utility model belongs to the field of welding technology, specifically relating to a welding fixture for lithium battery end caps. Background Technology

[0002] Lithium-ion battery end cap welding is a core process in the power battery packaging process. It directly determines the battery's sealing performance, pressure resistance, and safety performance, and provides a stable and sealed environment for electrolyte storage and electrode support. It is crucial for extending battery life and avoiding risks such as leakage and explosion.

[0003] In traditional welding operations, equipment positioning relies on manual handling, and angle adjustment requires repeated disassembly and disassembly of fixed structures, making the operation cumbersome and time-consuming, especially in multi-station rotating work scenarios, resulting in low efficiency. Most lithium battery end cap welding auxiliary equipment on the market is only compatible with a single specification of lithium battery. When dealing with lithium batteries of different sizes and heights, it is necessary to change the clamping mold or adjust the equipment structure, which reduces production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a lithium battery end cap welding fixture, which aims to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A lithium battery end cap welding fixture includes a movable component, comprising a support base, a support plate fixedly connected to the top of the support base, a first fixing buckle fixedly connected to the top of the support plate, a rotating shaft rotatably connected to the inner wall of the first fixing buckle, a fixing plate fixedly connected to the side wall of the rotating shaft, and a connecting block fixedly connected to the end of the rotating shaft. The support plate is symmetrically arranged on the top of the support base, and the side wall of the fixing plate is provided with a hole groove. The clamping assembly includes a support frame fixedly connected to the side wall of the connecting block, a connecting frame fixedly connected to the bottom of the support frame, a tray fixedly connected to the bottom of the connecting frame, a fixed seat fixedly connected to the bottom of the support frame, a limiting shaft fixedly connected to the inner wall of the fixed seat, and a clamping plate slidably connected to the side wall of the limiting shaft. The limiting shaft is symmetrically arranged on the side wall of the clamping plate, and the clamping plate is slidably connected to the top of the tray.

[0006] As a preferred embodiment of the present invention, the movable component further includes a second fixing buckle fixedly connected to the side wall of the support base, and a pin slidably connected to the inner wall of the second fixing buckle, the end of the pin being inserted into the inner wall of the fixing plate.

[0007] In a preferred embodiment of this utility model, the movable component further includes casters fixed to the bottom of the support base, the casters being symmetrically arranged at the bottom of the support base.

[0008] As a preferred embodiment of the present invention, the moving component further includes a rotating handle fixedly connected to the side wall of the rotating shaft, the rotating handle being rotatably connected to the side wall of the support plate, and an anti-slip rubber sleeve being provided at the end of the rotating handle.

[0009] As a preferred embodiment of this utility model, the clamping assembly further includes a double-ended lead screw threaded to the inner wall of the clamping plate, a synchronous pulley fixedly connected to the end of the double-ended lead screw, a synchronous belt meshing with the working surface of the synchronous pulley, and an adjusting handle fixedly connected to the side wall of the synchronous pulley. The double-ended lead screw is symmetrically arranged on the side wall of the clamping plate, and the rotation directions of the threads at both ends of the clamping plate are opposite.

[0010] As a preferred embodiment of the present invention, the clamping assembly further includes an adsorption bracket rotatably connected to the top of the support frame, an adjustment block slidably connected to the side wall of the adsorption bracket, a suction cup fixedly connected to the bottom of the adjustment block, and a connecting rod fixedly connected to the side wall of the adsorption bracket, wherein the adsorption bracket is symmetrically arranged at the end of the connecting rod.

[0011] In a preferred embodiment of this utility model, the clamping plates are symmetrically arranged at the ends of the double-ended lead screw, and the clamping plates are slidably connected to the inner wall of the support frame.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the universal wheels at the bottom of the support base make it easy to move and adjust the position of the lithium battery; the fixed plate and the pins allow the lithium battery to be rotated at an angle according to the needs of the workers, which facilitates welding; the cooperation between the double-ended screw and the clamping plate fixes the lithium battery in the center of the equipment; and the suction cup not only facilitates the quick fixation of the end cap, but also reduces the damage to the end cap caused by hard contact. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the clamping component structure of this utility model; Figure 3 This is a top view of the clamping assembly of this utility model; Figure 4 This is a side view of the clamping assembly of this utility model.

[0014] In the diagram: 100, Moving component; 101, Support base; 102, Support plate; 103, First fixing buckle; 104, Rotating shaft; 105, Fixing plate; 106, Second fixing buckle; 107, Pin; 108, Connecting block; 109, Caster wheel; 110, Rotating handle; 200, Clamping component; 201, Support frame; 202, Connecting frame; 203, Support plate; 204, Fixing seat; 205, Limiting shaft; 206, Clamping plate; 207, Double-ended lead screw; 208, Synchronous pulley; 209, Synchronous belt; 210, Adjusting handle; 211, Adsorption bracket; 212, Adjusting block; 213, Suction cup; 214, Connecting rod. Detailed Implementation

[0015] 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.

[0016] 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.

[0017] 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 embodiment or an embodiment selectively excluded from other embodiments.

[0018] Example Reference Figure 1-4 This is an embodiment of the present invention, which provides a lithium battery end cap welding fixture, comprising: The movable component 100 includes a support base 101, a support plate 102 fixedly connected to the top of the support base 101, a first fixing buckle 103 fixedly connected to the top of the support plate 102, a rotating shaft 104 rotatably connected to the inner wall of the first fixing buckle 103, a fixing plate 105 fixedly connected to the side wall of the rotating shaft 104, and a connecting block 108 fixedly connected to the end of the rotating shaft 104. The support plate 102 is symmetrically arranged on the top of the support base 101, and the side wall of the fixing plate 105 is provided with a hole or groove. The clamping assembly 200 includes a support frame 201 fixedly connected to the side wall of the connecting block 108, a connecting frame 202 fixedly connected to the bottom of the support frame 201, a tray 203 fixedly connected to the bottom of the connecting frame 202, a fixing seat 204 fixedly connected to the bottom of the support frame 201, a limiting shaft 205 fixedly connected to the inner wall of the fixing seat 204, and a clamping plate 206 slidably connected to the side wall of the limiting shaft 205. The limiting shafts 205 are symmetrically arranged on the side wall of the clamping plate 206, and the clamping plate 206 is slidably connected to the top of the tray 203. The movable component 100 also includes a second fixing buckle 106 fixedly connected to the side wall of the support base 101, and a pin 107 slidably connected to the inner wall of the second fixing buckle 106, with the end of the pin 107 inserted into the inner wall of the fixing plate 105.

[0019] Specifically, a support plate 102 is fixed to the top of the support base 101. A first fixing buckle 103 is bolted to the top of the support plate 102. A rotating shaft 104 is placed on the top of the support plate 102 and, restricted by the first fixing buckle 103, can rotate within the inner wall of the first fixing buckle 103. A fixing plate 105 is fixed to the side wall of the rotating shaft 104 and has a hole or slot. With the help of a pin 107, the rotating shaft 104 can be prevented from rotating. The pin 107 slides within the inner wall of a second fixing buckle 106, which is bolted to the side wall of the support base 101. A connecting block 108 is fixed to the end of the rotating shaft 104 to fix the support frame 201. The support frame 201 can rotate by rotating the rotating shaft 104. A connecting frame 202 is connected to the bottom of the support frame 201, and a tray 203 is connected to the bottom of the connecting frame 202, forming a basket shape for placing lithium batteries. The bottom of the support frame 201 is fixed to the fixed seat 204, and the end of the limiting shaft 205 is fixed in the inner wall of the fixed seat 204 to limit the clamping plate 206.

[0020] The movable component 100 also includes casters 109 fixed to the bottom of the support base 101, and the casters 109 are symmetrically arranged at the bottom of the support base 101.

[0021] Furthermore, casters 109 are installed at the four corners of the bottom of the support base 101 to facilitate the adjustment of the equipment position.

[0022] The moving component 100 also includes a handle 110 fixedly connected to the side wall of the rotating shaft 104. The handle 110 is rotatably connected to the side wall of the support plate 102, and the end of the handle 110 is provided with an anti-slip rubber sleeve.

[0023] Preferably, the end of the rotating shaft 104 is fixed with a rotating handle 110, and the end of the rotating handle 110 is equipped with an anti-slip rubber sleeve. When the rotating handle 110 is rotated, the rotating shaft 104 drives the connecting block 108 and the support frame 201 to rotate, which facilitates the adjustment of the angle.

[0024] The clamping assembly 200 also includes a double-ended lead screw 207 threaded to the inner wall of the clamping plate 206, a synchronous pulley 208 fixedly connected to the end of the double-ended lead screw 207, a synchronous belt 209 meshing with the working surface of the synchronous pulley 208, and an adjusting handle 210 fixedly connected to the side wall of the synchronous pulley 208. The double-ended lead screw 207 is symmetrically arranged on the side wall of the clamping plate 206, and the rotation directions of the threads at both ends of the clamping plate 206 are opposite.

[0025] It should be noted that there are two clamping plates 206, which are threadedly connected to two double-ended lead screws 207. The threads at both ends of the double-ended lead screws 207 are opposite. By rotating the adjusting handle 210, the synchronous wheel 208, which is fixedly connected to the adjusting handle 210, drives the double-ended lead screws 207 to rotate, so that the two clamping plates 206 move simultaneously toward the center of the double-ended lead screws 207 under the limit of the limiting shaft 205. The ends of the two double-ended lead screws 207 are fixedly connected to the synchronous wheel 208, which are connected by the synchronous belt 209, so that the clamping plates 206 slide more smoothly.

[0026] The clamping assembly 200 also includes an adsorption bracket 211 rotatably connected to the top of the support frame 201, an adjustment block 212 slidably connected to the side wall of the adsorption bracket 211, a suction cup 213 fixedly connected to the bottom of the adjustment block 212, and a connecting rod 214 fixedly connected to the side wall of the adsorption bracket 211. The adsorption bracket 211 is symmetrically arranged at the end of the connecting rod 214.

[0027] Additionally, the adsorption bracket 211 rotates on the top of the support frame 201, and an adjustment block 212 is slidably connected to its side wall. A suction cup 213 is fixed at the bottom of the adjustment block 212 to adsorb and fix the battery end cap. By operating the connecting rod 214 connecting the two adsorption brackets 211, the adsorption bracket 211 can rotate on the top of the support frame 201 via the hinge, which facilitates fixing the battery end cap.

[0028] During use, the operator can push the support base 101, causing the casters 109 at the bottom to roll and move the equipment. After moving to the designated position, the braking mechanism of the casters 109 is locked to prevent the equipment from sliding. If the angle of the clamping assembly 200 needs to be adjusted to suit the placement or handling requirements of the lithium battery, first pull the pin 107 outward to disengage its end from the slot in the fixing plate 105, thus releasing the lock on the rotating shaft 104. Then, hold the anti-slip rubber sleeve at the end of the handle 110 and rotate the handle 110. The handle 110 drives the rotating shaft 104 to rotate inside the first fixing buckle 103. The rotating shaft 104 drives the support frame 201 and the entire clamping assembly 200 to rotate synchronously through the connecting block 108. When the clamping assembly 200 is adjusted to the appropriate angle, push the pin 107 to re-insert its end into the corresponding slot in the fixing plate 105, locking the rotating shaft 104 and completing the angle adjustment. When welding is required, the operator places the lithium battery in the basket formed by the tray 203 and the connecting frame 202, ensuring that the bottom of the lithium battery is in contact with the top surface of the tray 203. Then, the adjusting handle 210 is rotated, causing the synchronous wheel 208 fixed to it to rotate. This synchronous wheel 208 drives another synchronous wheel 208 to rotate synchronously via the synchronous belt 209. The two synchronous wheels 208 respectively drive the corresponding double-ended lead screw 207 to rotate. Because the threads at both ends of the double-ended lead screw 207 are reversed, and the clamping plate 206 is limited by the limiting shaft 205, the two clamping plates 206 move synchronously along the limiting shaft 205 towards the center of the double-ended lead screw 207 until the inner wall of the clamping plate 206 is tightly in contact with the outer walls of both sides of the lithium battery, thus clamping and fixing the side walls of the lithium battery. Subsequently, the operator pushes the connecting rod 214, causing the two adsorption brackets 211 to rotate around the hinge at the top of the support frame 201, aligning the suction cups 213 at the bottom of the adsorption brackets 211 with the lithium battery end cap. Simultaneously slide the adjusting block 212 to adjust the position of the suction cup 213 until the suction cup 213 is tightly attached to the surface of the lithium battery end cap. Use the suction force of the suction cup 213 to fix the lithium battery end cap and prevent the end cap from loosening or falling off during the welding and handling of the lithium battery.

[0029] In summary, the casters 109 located at the bottom of the support base 101 enable the equipment to move and brake, allowing for rapid transport of lithium batteries between different workstations. This ensures the lithium batteries are quickly aligned with the welding station, reducing operator fatigue and improving work efficiency. The design of the fixed plate 105 and the pin 107 allows operators to fix the lithium batteries at multiple angles without disassembling parts, based on the welding process or their own operating habits. The combination of the double-ended lead screw 207 and the clamping plate 206, with the reverse threads at both ends of the lead screw 207, allows the clamping plates 206 to move synchronously towards the center of the equipment by rotating the adjustment handle. This accommodates various lithium battery sizes and specifications, clamping them firmly in the center of the equipment and preventing the lithium battery from shifting and causing the welding point to deviate from the preset trajectory, saving time spent on repeated manual calibration. The suction cup 213 serves the dual purpose of efficient fixation and flexible protection. Operators only need to attach it to the surface of the lithium battery end cap, and the end cap can be quickly fixed by adsorption, shortening the fixation time. In addition, the flexible fit of the suction cup 213 to the end cap can avoid damage such as scratches and indentations caused by traditional rigid clamps, ensuring the integrity of the end cap's appearance.

[0030] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0032] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A lithium battery end cap welding fixture, characterized in that: include, The movable component (100) includes a support base (101), a support plate (102) fixedly connected to the top of the support base (101), a first fixing buckle (103) fixedly connected to the top of the support plate (102), a rotating shaft (104) rotatably connected to the inner wall of the first fixing buckle (103), a fixing plate (105) fixedly connected to the side wall of the rotating shaft (104), and a connecting block (108) fixedly connected to the end of the rotating shaft (104). The support plate (102) is symmetrically arranged on the top of the support base (101), and the side wall of the fixing plate (105) is provided with a hole groove. The clamping assembly (200) includes a support frame (201) fixedly connected to the side wall of the connecting block (108), a connecting frame (202) fixedly connected to the bottom of the support frame (201), a tray (203) fixedly connected to the bottom of the connecting frame (202), a fixed seat (204) fixedly connected to the bottom of the support frame (201), a limiting shaft (205) fixedly connected to the inner wall of the fixed seat (204), and a clamping plate (206) slidably connected to the side wall of the limiting shaft (205). The limiting shaft (205) is symmetrically arranged on the side wall of the clamping plate (206), and the clamping plate (206) is slidably connected to the top of the tray (203).

2. The lithium battery end cap welding fixture according to claim 1, characterized in that: The movable component (100) further includes a second fixing buckle (106) fixedly connected to the side wall of the support base (101), and a pin (107) slidably connected to the inner wall of the second fixing buckle (106), the end of the pin (107) being inserted into the inner wall of the fixing plate (105).

3. A lithium battery end cap welding fixture according to claim 2, characterized in that: The moving component (100) also includes casters (109) fixed to the bottom of the support base (101), the casters (109) being symmetrically arranged at the bottom of the support base (101).

4. A lithium battery end cap welding fixture according to claim 3, characterized in that: The moving component (100) also includes a handle (110) fixedly connected to the side wall of the rotating shaft (104), the handle (110) being rotatably connected to the side wall of the support plate (102), and the end of the handle (110) being provided with an anti-slip rubber sleeve.

5. A lithium battery end cap welding fixture according to claim 4, characterized in that: The clamping assembly (200) further includes a double-ended lead screw (207) threaded to the inner wall of the clamping plate (206), a synchronous pulley (208) fixedly connected to the end of the double-ended lead screw (207), a synchronous belt (209) meshing with the working surface of the synchronous pulley (208), and an adjusting handle (210) fixedly connected to the side wall of the synchronous pulley (208). The double-ended lead screw (207) is symmetrically arranged on the side wall of the clamping plate (206), and the rotation directions of the threads at both ends of the clamping plate (206) are opposite.

6. A lithium battery end cap welding fixture according to claim 5, characterized in that: The clamping assembly (200) further includes an adsorption bracket (211) rotatably connected to the top of the support frame (201), an adjustment block (212) slidably connected to the side wall of the adsorption bracket (211), a suction cup (213) fixedly connected to the bottom of the adjustment block (212), and a connecting rod (214) fixedly connected to the side wall of the adsorption bracket (211). The adsorption bracket (211) is symmetrically arranged at the end of the connecting rod (214).

7. A lithium battery end cap welding fixture according to claim 6, characterized in that: The clamping plate (206) is symmetrically arranged at the end of the double-ended lead screw (207), and the clamping plate (206) is slidably connected to the inner wall of the support frame (201).

Images