A new energy automobile battery pack connecting piece welding clamp

CN224913976UActive Publication Date: 2026-10-30芜湖国天汽车零部件制造有限公司
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Patent Information

Application Number
CN202522566718.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-03
Publication Date
2026-10-30
Estimated Expiration
2035-12-03

AI Technical Summary

Technical Problem

[0002]新能源汽车电池包连接件是电池包内部及与外部系统电气连接的核心部件,其作用贯穿于电池包的电气传输、结构支撑、安全保护、热管理及生产维护等全生命周期,例如:通过导电排(铜排、铝排)或柔性电路板(FPC)将多个电芯模组连接成完整电池回路,或将电池包与电机控制器、充电接口等高压部件连接;当连接件被焊接到基体上时,需要对基体进行固定,以避免机器震动使基体位置发生偏移,导致焊接点不够精确,固定装置也需要根据基体的尺寸不同来进行调整,而市面上大多数这类焊接夹具的固定装置都只具备微调的功能,适配性差,且需要气缸或电机来驱动,成本高,因此,我们提出了一种新能源汽车电池包连接件焊接夹具

Benefits of technology

[0013]本实用新型提供了一种新能源汽车电池包连接件焊接夹具。与现有技术相比具备以下有益效果:

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Abstract

The utility model discloses a new energy automobile battery package connecting piece welding fixture, including work table, mobile welding machine is fixedly connected on the work table, the work table is provided with adjustable limiting mechanism and fixed establishment respectively, adjustable limiting mechanism includes spacing plate and I -slip rail, spacing plate is connected on the work table slidingly, I -slip rail is fixedly connected on the work table, I -slip rail symmetry is provided with two, two I -slip rail all slidingly connected have slide seat, relate to welding fixture technical field, adjust the position of slide seat on the surface of I -slip rail through sliding slide seat, thereby adjust the position of spacing plate, reach the effect that control the distance between spacing plate and pressing plate, can adjust according to the size of fixed base body, and the adaptability is high, and the rotating bidirectional screw rod can make square clamping plate clamping I -slip rail, thereby fix slide seat on I -slip rail, and then fix the position of spacing plate.
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Description

Technical Field

[0001] This utility model relates to the field of welding fixture technology, specifically a welding fixture for a new energy vehicle battery pack connector. Background Technology

[0002] New energy vehicle battery pack connectors are core components for electrical connections within the battery pack and with external systems. Their role spans the entire lifecycle of the battery pack, including electrical transmission, structural support, safety protection, thermal management, and production maintenance. For example, they connect multiple cell modules into a complete battery circuit via conductive busbars (copper busbars, aluminum busbars) or flexible printed circuit boards (FPCs), or connect the battery pack to high-voltage components such as motor controllers and charging interfaces. When connectors are welded to a substrate, the substrate needs to be fixed to prevent machine vibration from causing the substrate to shift and resulting in inaccurate welding points. The fixing device also needs to be adjusted according to the different dimensions of the substrate. However, most of the fixing devices of such welding fixtures on the market only have fine-tuning functions, poor adaptability, and require cylinders or motors for driving, resulting in high costs. Therefore, we propose a welding fixture for new energy vehicle battery pack connectors. Utility Model Content

[0003] The purpose of this utility model is to provide a welding fixture for battery pack connectors in new energy vehicles, thereby solving the technical problems mentioned in the background section.

[0004] The objective of this utility model can be achieved through the following technical solutions:

[0005] A welding fixture for battery pack connectors of new energy vehicles includes a worktable, on which a mobile welding machine is fixedly connected, and an adjustable limiting mechanism and a fixing mechanism are respectively provided on the worktable.

[0006] The adjustable limiting mechanism includes a limiting plate and an I-beam slide rail. The limiting plate is slidably connected to the worktable, and the I-beam slide rail is fixedly connected to the worktable. Two I-beam slide rails are symmetrically arranged, and each of the two I-beam slide rails is slidably connected to a slide block. The two slide blocks are respectively fixedly connected to both ends of the limiting plate. The slide blocks are slidably connected to the worktable, and a sliding groove is formed through the I-beam slide rail.

[0007] As a further embodiment of this utility model: a bidirectional lead screw is rotatably connected to the slide block, one end of the bidirectional lead screw is fixedly connected to a knob, and the other end of the bidirectional lead screw passes through the slide groove and is rotatably connected inside the slide block, with the bidirectional lead screw and the slide groove being slidably connected.

[0008] As a further embodiment of this utility model: a limiting ring is fixedly connected to the bidirectional lead screw, and a square clamp is threadedly connected to the bidirectional lead screw. The limiting ring is rotatably connected to the slide block, and the square clamp is slidably connected to the I-beam slide rail. Two limiting rings and two square clamps are symmetrically arranged.

[0009] As a further embodiment of this utility model: the fixing mechanism includes an L-shaped connecting plate and a pressure plate. A first connecting plate is fixedly connected to the L-shaped connecting plate. Support plates and connecting rods are rotatably connected to both sides of the first connecting plate. A second connecting plate is rotatably connected between the two connecting rods. The second connecting plate is fixedly connected to the pressure plate.

[0010] As a further embodiment of this utility model: the two support plates are fixedly connected to the workbench, a silicone pad is fixedly connected to the pressure plate, and the second connecting plate and the connecting rod of the pressure plate are slidably connected to the workbench.

[0011] As a further embodiment of this utility model: a slider is fixedly connected to the bottom of the second connecting plate, the slider is slidably connected in a limiting groove, and the limiting groove is opened on the worktable.

[0012] Beneficial effects

[0013] This utility model provides a welding fixture for battery pack connectors in new energy vehicles. Compared with the prior art, it has the following advantages:

[0014] (1) This utility model adjusts the position of the slide block on the surface of the I-beam slide rail by sliding the slide block, thereby adjusting the position of the limiting plate and achieving the effect of controlling the distance between the limiting plate and the pressure plate. It can be adjusted according to the size of the fixed base, and has high adaptability. Rotating the bidirectional screw can make the square clamping plate clamp the I-beam slide rail, thereby fixing the slide block on the I-beam slide rail and fixing the position of the limiting plate.

[0015] (2) This utility model presses down the L-shaped connecting plate so that the first connecting plate, the connecting rod and the second connecting plate are all on the same horizontal line, thereby pushing the pressure plate closer to the base and cooperating with the limiting plate to clamp and fix the base. At the same time, the silicone pad has a buffering effect to avoid excessive clamping and damage to some bases. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a perspective view of the adjustable limiting mechanism of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the slide block of this utility model;

[0019] Figure 4This is a perspective view of the I-beam slide rail of this utility model;

[0020] Figure 5 This is an exploded view of the fixing mechanism of this utility model.

[0021] In the diagram: 1. Workbench; 2. Mobile welding machine; 3. Adjustable limiting mechanism; 31. Limiting plate; 32. I-beam slide rail; 33. Slide seat; 34. Slide groove; 35. Two-way lead screw; 36. Knob; 37. Limiting ring; 38. Square clamping plate; 4. Fixing mechanism; 401. L-shaped connecting plate; 402. Pressure plate; 403. Silicone pad; 404. First connecting plate; 405. Support plate; 406. Connecting rod; 407. Second connecting plate; 408. Slider; 409. Limiting groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 As shown, this utility model is a welding fixture for battery pack connectors of new energy vehicles, including a workbench 1, on which a mobile welding machine 2 is fixedly connected. An adjustable limiting mechanism 3 and a fixed mechanism 4 are respectively provided on the workbench 1. The adjustable limiting mechanism 3 includes a limiting plate 31 and an I-beam slide rail 32. The limiting plate 31 is slidably connected to the workbench 1, and the I-beam slide rail 32 is fixedly connected to the workbench 1. Two I-beam slide rails 32 are symmetrically arranged, and each of the two I-beam slide rails 32 is slidably connected to a slide seat 33. The two slide seats 33 are respectively fixedly connected to both ends of the limiting plate 31, and the slide seats 33 are slidably connected to the workbench 1. A sliding groove 34 is provided through the I-beam slide rail 32.

[0024] A bidirectional lead screw 35 is rotatably connected to the slide block 33. A knob 36 is fixedly connected to one end of the bidirectional lead screw 35, and the other end of the bidirectional lead screw 35 passes through the slide groove 34 and is rotatably connected inside the slide block 33. The bidirectional lead screw 35 and the slide groove 34 are slidably connected.

[0025] A limiting ring 37 is fixedly connected to the bidirectional lead screw 35, and a square clamping plate 38 is threadedly connected to the bidirectional lead screw 35. The limiting ring 37 is rotatably connected to the slide block 33, and the square clamping plate 38 is slidably connected to the I-beam slide rail 32. Two limiting rings 37 and two square clamping plates 38 are symmetrically arranged.

[0026] The position of the sliding block 33 on the surface of the I-beam slide rail 32 is adjusted by sliding the sliding block 33, thereby adjusting the position of the limiting plate 37 and achieving the effect of controlling the distance between the limiting plate 37 and the pressure plate 402. It can be adjusted according to the size of the fixed base, and has high adaptability. Rotating the bidirectional screw 35 can make the square clamp 38 clamp the I-beam slide rail 32, thereby fixing the sliding block 33 on the I-beam slide rail 32, and thus fixing the position of the limiting plate 31.

[0027] The fixing mechanism 4 includes an L-shaped connecting plate 401 and a pressure plate 402. A first connecting plate 404 is fixedly connected to the L-shaped connecting plate 401. A support plate 405 and a connecting rod 406 are rotatably connected to both sides of the first connecting plate 404. A second connecting plate 407 is rotatably connected between the two connecting rods 406. The second connecting plate 407 is fixedly connected to the pressure plate 402.

[0028] Two support plates 405 are fixedly connected to the workbench 1. A silicone pad 403 is fixedly connected to the pressure plate 402. The pressure plate 402, the second connecting plate 407 and the connecting rod 406 are all slidably connected to the workbench 1.

[0029] The bottom of the second connecting plate 407 is fixedly connected to a slider 408, which is slidably connected in a limiting groove 409, which is opened on the worktable 1.

[0030] By pressing down the L-shaped connecting plate 401, the first connecting plate 404, the connecting rod 406, and the second connecting plate 407 are all on the same horizontal line, thereby pushing the pressure plate 402 closer to the substrate and clamping and fixing the substrate in conjunction with the limiting plate 31. At the same time, the silicone pad 403 has a buffering effect to avoid excessive clamping and damage to some substrates.

[0031] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0032] The working principle of this utility model is as follows: The base is placed on the workbench 1, at which time the slide block 33 is in a movable state. The two slide blocks 33 are slid along the I-beam slide rail 32 to a suitable position at the same time. The limiting plate 31 slides on the workbench 1 accordingly. The knobs 36 on the two slide blocks 33 are rotated to drive the bidirectional lead screw 35 to rotate, thereby causing the two square clamping plates 38 on the bidirectional lead screw 35 to move relative to each other and clamp the I-beam slide rail 32. Thus, the slide block 33 is fixed on the corresponding I-beam slide rail 32, thereby fixing the limiting plate 31 on the workbench 1. One side of the base is pressed tightly against the limiting plate 31. At this time, the L-shaped connecting plate 401 is in a raised state. The L-shaped connecting plate 401 is pressed down to drive the first connecting plate 404 to rotate around the support plate 405, thereby driving the connecting rod 406 to slide and rotate on the workbench 1. Then, the connecting rod 406 pushes the second connecting plate 407 to drive the clamping plate 402 and the slider 408 to slide and move closer to the base, which, together with the limiting plate 31, clamps and fixes the base.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for battery pack connectors in new energy vehicles, comprising a worktable (1), characterized in that: A mobile welding machine (2) is fixedly connected to the workbench (1), and an adjustable limiting mechanism (3) and a fixing mechanism (4) are respectively provided on the workbench (1). The adjustable limiting mechanism (3) includes a limiting plate (31) and an I-beam slide rail (32). The limiting plate (31) is slidably connected to the workbench (1), and the I-beam slide rail (32) is fixedly connected to the workbench (1). There are two symmetrically arranged I-beam slide rails (32), and each of the two I-beam slide rails (32) is slidably connected to a slide seat (33). The two slide seats (33) are respectively fixedly connected to both ends of the limiting plate (31). The slide seats (33) are slidably connected to the workbench (1), and a slide groove (34) is provided through the I-beam slide rail (32).

2. The welding fixture for a new energy vehicle battery pack connector according to claim 1, characterized in that: A bidirectional lead screw (35) is rotatably connected to the slide block (33). A knob (36) is fixedly connected to one end of the bidirectional lead screw (35). The other end of the bidirectional lead screw (35) passes through the slide groove (34) and is rotatably connected in the slide block (33). The bidirectional lead screw (35) and the slide groove (34) are slidably connected.

3. The welding fixture for a new energy vehicle battery pack connector according to claim 2, characterized in that: A limiting ring (37) is fixedly connected to the bidirectional lead screw (35), and a square clamp (38) is threaded onto the bidirectional lead screw (35). The limiting ring (37) is rotatably connected to the slide block (33), and the square clamp (38) is slidably connected to the I-beam slide rail (32). There are two of each of the limiting ring (37) and the square clamp (38).

4. The welding fixture for a new energy vehicle battery pack connector according to claim 1, characterized in that: The fixing mechanism (4) includes an L-shaped connecting plate (401) and a pressure plate (402). A first connecting plate (404) is fixedly connected to the L-shaped connecting plate (401). A support plate (405) and a connecting rod (406) are rotatably connected to both sides of the first connecting plate (404). A second connecting plate (407) is rotatably connected between the two connecting rods (406). The second connecting plate (407) is fixedly connected to the pressure plate (402).

5. A welding fixture for a new energy vehicle battery pack connector according to claim 4, characterized in that: The two support plates (405) are fixedly connected to the workbench (1), and a silicone pad (403) is fixedly connected to the pressure plate (402). The pressure plate (402), the second connecting plate (407) and the connecting rod (406) are all slidably connected to the workbench (1).

6. A welding fixture for a new energy vehicle battery pack connector according to claim 4, characterized in that: The bottom of the second connecting plate (407) is fixedly connected to a slider (408), which is slidably connected in a limiting groove (409), which is opened on the worktable (1).