Welding jig for battery pack
By designing an automatic clamping and moving mechanism, the problem of safety hazards of welding rod compression during battery pack welding is solved, the automatic fixation of welding rods and the movement of welding pens is achieved, and the operation safety and welding efficiency are improved.
Patent Information
- Application Number
- CN202420207823.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-01-29
AI Technical Summary
During the battery pack welding process, the staff need to press and fix the welding rod with their hands, which may cause damage to the front of the spot welding pen, which poses safety hazards.
A welding fixture including a base frame, a spot welding machine, a sleeve, a telescopic rod, an automatic telescopic machine, a welding pen, a clamp, a screw, a front and a rear mechanism and a clamping mechanism are designed, through an L-shaped rotary rod, a torsion spring and elasticity The clamping mechanism of the part automatically presses the welding rod to the battery pack, and combines the automatic telescopic machine and front and rear mechanism to realize the movement of the welding pen, ensuring the safety of the welding process.
Effectively pressing and fixing the welding rod on the battery pack improves the operating safety of staff, and improves welding efficiency and safety through automated moving pens.
Smart Images
Figure CN222344605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of welding jigs, in particular to a welding jig for a battery pack. Background Art
[0002] Battery pack welding is the process of connecting battery cells or battery modules together through a welding process to form a complete battery pack. This process is a crucial step in battery manufacturing and directly affects the performance and stability of the battery pack.
[0003] When welding existing battery packs, workers are required to arrange the battery packs neatly, place welding rods on the positive and negative poles of the battery packs, and then perform spot welding using a spot welding machine. However, during the welding process, workers are required to press and fix the welding rods on the battery packs by hand, and the front end of the spot welding pen may cause harm to the workers, which is quite dangerous.
[0004] Therefore, a welding jig for battery packs has been developed that can press and fix the welding rod on the battery pack to facilitate welding and improve the safety factor of the operator's operation. Utility Model Content
[0005] In order to overcome the disadvantage of existing battery packs that during welding, workers need to press and fix the welding rod on the battery pack by hand, and the front end of the spot welding pen may cause harm to the workers, which is quite dangerous. The utility model provides a welding jig for battery packs that can press and fix the welding rod on the battery pack, facilitates welding, and improves the safety factor of workers' operation.
[0006] Technical solution: A welding jig for a battery pack, including a base frame, a spot welding machine, a sleeve, a telescopic rod, an automatic telescopic machine, a welding pen, a clamp, screws, a front and rear mechanism and a clamping mechanism. The spot welding machine is connected to the upper right side of the base frame, and a sleeve is provided on the upper left side of the spot welding machine. The telescopic rod is slidably connected to the left side of the sleeve, and the automatic telescopic machine is connected to the telescopic rod. The welding pen is connected to the telescopic end of the automatic telescopic machine. The welding pen is connected to the spot welding machine through electric wires. A plurality of clamps are slidably connected to the upper right side of the base frame, and two adjacent clamps are slidably connected. Screws are threadedly connected to the clamps. The spot welding machine is provided with a front and rear mechanism capable of moving the welding pen, and the clamp is provided with a clamping mechanism capable of clamping the welding rod.
[0007] In addition, it is particularly preferred that the front and rear mechanisms include a sliding rod, a fixing frame and a handle, the front and rear sides of the upper left part of the spot welding machine are connected to the fixing frames, a sliding rod is connected between the fixing frames, the sliding rod is slidably connected to the sleeve, and a handle is connected to the upper side of the automatic telescopic machine. The spot welding machine is started, and the welding pen starts working. Then the automatic telescopic machine is started again, and the telescopic end of the automatic telescopic machine is extended and then retracted, so that the welding pen moves downward and contacts the welding rod, and moves upward after the spot welding is completed, and then the telescopic rod is slid on the sleeve to move the welding pen to the position where welding is required next time.
[0008] In addition, it is particularly preferred that a clamping mechanism is also included, the clamping mechanism includes a slider, an L-shaped rotating rod, a torsion spring, an L-shaped pressure plate and an elastic member, the upper and lower front sides of the front clamp are slidably connected to the slider, the right side of the slider is rotatably connected to the L-shaped rotating rod, the L-shaped rotating rods are connected to adjacent sliders with torsion springs, the upper sides of the L-shaped rotating rods are slidably connected to L-shaped pressure plates, the L-shaped pressure plates are connected to adjacent L-shaped rotating rods with elastic members, the L-shaped pressure plate is pulled to stretch the spring, and then the L-shaped pressure plate is rotated, the L-shaped rotating rod rotates, the torsion spring is deformed, so that the L-shaped pressure plate is located on the upper side of the welding rod, and then the spring rebounds, so that the L-shaped pressure plate moves downward and contacts the welding rod.
[0009] Furthermore, it is particularly preferred that the splint is provided with a cushion.
[0010] Furthermore, it is particularly preferred that a grip is provided on the screw.
[0011] Furthermore, it is particularly preferred that the elastic element is a spring.
[0012] Compared with the prior art, the utility model has the following advantages: 1. The utility model rotates the L-shaped rotating rod, which causes the torsion spring to deform, so that the L-shaped pressure plate is located on the upper side of the welding rod, and then the spring rebounds, so that the L-shaped pressure plate moves downward and contacts the welding rod, thereby achieving the effect of being able to press and fix the welding rod on the battery pack, facilitating welding, and improving the safety factor of the operator's operation.
[0013] 2. The welding pen of the utility model starts working, and then the automatic telescopic machine is started. The telescopic end of the automatic telescopic machine is extended and then retracted, so that the welding pen moves downward to contact the welding rod, and moves upward after spot welding is completed to prepare for the next spot welding, thereby achieving the effect of enabling the welding pen to move and complete welding of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0015] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model.
[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the front and rear mechanisms of the utility model.
[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping mechanism of the utility model.
[0018] Figure 5 It is a partial three-dimensional structural schematic diagram of the clamping mechanism of the utility model.
[0019] Among them, the above-mentioned drawings include the following figure marks: 1. base frame, 2. spot welding machine, 3. sleeve, 4. telescopic rod, 5. automatic telescopic machine, 6. welding pen, 7. splint, 8. screw, 9. front and rear mechanism, 91. slide bar, 92. fixed frame, 93. handle, 10. clamping mechanism, 101. slider, 102. L-shaped rotating rod, 103. torsion spring, 104. L-shaped pressure plate, 105. elastic member. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0021] A welding jig for a battery pack, such as Figure 1 and Figure 2 As shown, it includes a base frame 1, a spot welding machine 2, a sleeve 3, a telescopic rod 4, an automatic telescopic machine 5, a welding pen 6, a splint 7, a screw 8, a front and rear mechanism 9 and a clamping mechanism 10. The upper right side of the base frame 1 is connected to the spot welding machine 2, and the left side of the upper part of the spot welding machine 2 is provided with a sleeve 3. The left side of the sleeve 3 is slidably connected with the telescopic rod 4, and the telescopic rod 4 is connected with the automatic telescopic machine 5. The telescopic end of the automatic telescopic machine 5 is connected with the welding pen 6, and the welding pen 6 is connected to the spot welding machine 2 through an electric wire. Four splints 7 are slidably connected to the upper right side of the base frame 1, and the splints 7 are provided with cushions to avoid crushing the battery pack. Two adjacent splints 7 are slidably connected, and the splints 7 are threadedly connected with screws 8, and the screws 8 are provided with a handle for easy rotation. The spot welding machine 2 is provided with a front and rear mechanism 9, and the splint 7 is provided with a clamping mechanism 10.
[0022] like Figure 1 and Figure 3 As shown, the front and rear mechanisms 9 include a slide bar 91, a fixing frame 92 and a handle 93. The fixing frames 92 are connected to the front and rear sides of the upper left part of the spot welding machine 2. The slide bar 91 is connected between the fixing frames 92. The slide bar 91 is slidably connected to the sleeve 3. The handle 93 is connected to the upper side of the automatic telescopic machine 5.
[0023] When using the utility model, first place the base frame 1 in the welding area of the battery pack, then place the battery pack between the clamping plates 7, adjust the clamping plates 7 to clamp and fix the battery pack, after the battery pack is fixed, tighten the screws 8 to fix the clamping plates 7, and then place the welding rod on the positive and negative poles of the battery pack, start the spot welding machine 2, and the welding pen 6 starts to work, and then start the automatic telescopic machine 5, the telescopic end of the automatic telescopic machine 5 is extended and then retracted, so that the welding pen 6 moves downward and contacts the welding rod, and moves upward after the spot welding is completed, and then the telescopic rod 4 is slid on the sleeve 3, and the welding pen 6 is moved to the position where the next welding is required. When the welding pen 6 needs to be moved forward and backward, hold the handle 93, pull the sleeve 3 to slide on the slide bar 91, and the fixed frame 92 supports the slide bar 91, so that the welding pen 6 can move forward and backward, thereby enabling the welding pen 6 to move and avoiding the displacement of the welding rod when the battery pack is moved.
[0024] like Figure 1 , Figure 4 and Figure 5 As shown, it also includes a clamping mechanism 10, which includes a slider 101, an L-shaped rotating rod 102, a torsion spring 103, an L-shaped pressure plate 104 and an elastic member 105. The front sides of the upper and lower parts of the front clamp 7 are slidably connected to the slider 101, the right part of the slider 101 is rotatably connected to the L-shaped rotating rod 102, the L-shaped rotating rod 102 is connected to the adjacent slider 101 with a torsion spring 103, the upper side of the L-shaped rotating rod 102 is slidably connected to the L-shaped pressure plate 104, the L-shaped pressure plate 104 is connected to the adjacent L-shaped rotating rod 102 with an elastic member 105, and the elastic member 105 is a spring.
[0025] The clamping mechanism 10 of the device can be used to clamp the welding rod on the battery pack. After the welding rod is placed on the battery pack, the slider 101 is slid to the position where the welding rod needs to be clamped, and the L-shaped pressure plate 104 is pulled to stretch the spring. The L-shaped pressure plate 104 is then rotated, and the L-shaped rotating rod 102 is rotated, and the torsion spring 103 is deformed, so that the L-shaped pressure plate 104 is located on the upper side of the welding rod. The spring is then rebounded, so that the L-shaped pressure plate 104 moves downward and contacts the welding rod, thereby pressing and fixing the welding rod on the battery pack, facilitating welding, and improving the safety factor of the operator's operation.
[0026] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.
Claims
1. A welding jig for a battery pack, characterized in that: The invention comprises a base frame (1), a spot welding machine (2), a sleeve (3), a telescopic rod (4), an automatic telescopic machine (5), a welding pen (6), a clamp (7), a screw (8), a front and rear mechanism (9) and a clamping mechanism (10). The upper right side of the base frame (1) is connected to the spot welding machine (2). The upper left side of the spot welding machine (2) is provided with a sleeve (3). The left side of the sleeve (3) is slidably connected to the telescopic rod (4). The telescopic rod (4) is connected to the automatic telescopic machine (5). The automatic telescopic machine A welding pen (6) is connected to the telescopic end of the welding pen (5), and the welding pen (6) is connected to the spot welding machine (2) through an electric wire. A plurality of clamping plates (7) are slidably connected to the upper right side of the bottom frame (1), and two adjacent clamping plates (7) are slidably connected to each other. The clamping plates (7) are threadedly connected with screws (8). The spot welding machine (2) is provided with a front and rear mechanism (9) capable of moving the welding pen (6), and the clamping plate (7) is provided with a clamping mechanism (10) capable of clamping the welding rod.
2. A welding jig for a battery pack according to claim 1, characterized in that: The front and rear mechanisms (9) include a slide bar (91), a fixing frame (92) and a handle (93). The front and rear sides of the upper left part of the spot welding machine (2) are connected to the fixing frame (92). The slide bar (91) is connected between the fixing frames (92). The slide bar (91) is slidably connected to the sleeve (3). The upper side of the automatic telescopic machine (5) is connected to the handle (93). The spot welding machine (2) is started, and the welding pen (6) starts to work. Then the automatic telescopic machine (5) is started again. The telescopic end of the automatic telescopic machine (5) is extended and then retracted, so that the welding pen (6) moves downward to contact with the welding rod. After the spot welding is completed, it moves upward. Then the telescopic rod (4) slides on the sleeve (3) to move the welding pen (6) to the position where welding is required next time.
3. A welding jig for a battery pack according to claim 2, characterized in that: The invention also comprises a clamping mechanism (10), wherein the clamping mechanism (10) comprises a slider (101), an L-shaped rotating rod (102), a torsion spring (103), an L-shaped pressing plate (104) and an elastic member (105); the front sides of the upper and lower parts of the front clamping plate (7) are both slidably connected to the slider (101); the right part of the slider (101) is both rotatably connected to the L-shaped rotating rod (102); the L-shaped rotating rod (102) is connected to the adjacent slider (101) with a torsion spring (103); the L-shaped rotating rod (102) The upper side is slidably connected with an L-shaped pressing plate (104), and an elastic member (105) is connected between the L-shaped pressing plate (104) and the adjacent L-shaped rotating rod (102). The L-shaped pressing plate (104) is pulled to stretch the elastic member (105), and then the L-shaped pressing plate (104) is rotated, and the L-shaped rotating rod (102) is rotated, and the torsion spring (103) is deformed, so that the L-shaped pressing plate (104) is located on the upper side of the welding rod, and then the elastic member (105) rebounds, so that the L-shaped pressing plate (104) moves downward to contact the welding rod.
4. A welding jig for a battery pack according to claim 1, characterized in that: A soft pad is provided on the splint (7).
5. A welding jig for a battery pack according to claim 1, characterized in that: The screw (8) is provided with a handle.
6. A welding jig for a battery pack according to claim 3, characterized in that: The elastic member (105) is a spring.