Clamping tool for welding BMS (battery management system) mounting bracket

By designing a clamping fixture for BMS mounting brackets, and utilizing support blocks and multi-directional clamping mechanisms, the problem of angular deviation during welding was solved, achieving stable workpiece fixation and high-quality welding.

CN223617023UActive Publication Date: 2025-12-02广州君国汽车配件有限公司
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Patent Information

Application Number
CN202422995664.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-02
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing clamping devices are prone to causing angular deviations when welding small parts of the BMS mounting bracket, which affects the welding quality.

Method used

Design a clamping fixture that includes a worktable, a support block, a horizontal clamping mechanism, and a vertical clamping mechanism. The support block provides initial positioning, and the horizontal and vertical clamping mechanisms are used to fix the workpiece in multiple directions, ensuring that the workpiece is stably clamped at 90°.

Benefits of technology

It reduces angular deviations caused by welding deformation, thus improving welding quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of BMS (battery management system) mounting bracket small part welding, in particular to a clamping tool for BMS mounting bracket welding, which comprises a working table and a supporting block which is mounted on the working table and is used for preliminarily supporting a workpiece to be welded; the horizontal pressing mechanism is arranged on the workbench and used for transversely pressing a workpiece to the side end of the supporting block, and the vertical pressing mechanism is used for vertically pressing the workpiece to the top of the supporting block, so that the workpiece is fixed by 90 degrees. The workpiece is preliminarily positioned by arranging the supporting block, then the workpiece is further clamped through the horizontal pressing mechanism and the vertical pressing mechanism, so that the workpiece is fixed in multiple directions, it is ensured that the workpiece is stably clamped on the supporting block, and meanwhile the horizontal pressing mechanism is matched with the vertical pressing mechanism to enable the workpiece to keep a 90-degree fixing effect; angle deviation caused by welding deformation is reduced, and the welding effect is improved.
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Description

Technical Field

[0001] This utility model relates to the field of welding technology for small parts of BMS mounting brackets, specifically a clamping tool for welding BMS mounting brackets. Background Technology

[0002] The main purpose of sheet metal welding fixtures is to fix and position sheet metal parts during the welding process to ensure welding quality and efficiency. They can accurately fix sheet metal parts in the required position and prevent them from moving or deforming during other welding processes. Although the use of sheet metal welding fixtures may increase the complexity of welding, they offer many advantages, such as providing more precise positioning, reducing welding deformation, improving production efficiency, and reducing the skill requirements of operators.

[0003] In the field of sheet metal welding, mounting brackets are commonly used for fixing workpieces. However, BMS mounting brackets are small components, such as... Figure 4 The system includes a base plate 1302, a top plate 1303, and a side plate 1304. It is mainly used to perform welding treatment at the workpiece welding joint 1301 between the side plate 1304 and the base plate 1302. When the existing clamping device is used to clamp the workpiece, the angle (the included angle between the base plate 1302 and the top plate 1303) deviation caused by welding deformation is likely to occur, which will affect the welding quality. Utility Model Content

[0004] The purpose of this invention is to provide a clamping fixture for welding BMS mounting brackets, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A clamping fixture for welding a BMS mounting bracket includes a worktable and a support block mounted on the worktable for providing initial support for the workpiece to be welded.

[0007] It also includes a horizontal pressing mechanism disposed on the worktable for pressing the workpiece laterally against the side end of the support block and a vertical pressing mechanism for pressing the workpiece vertically against the top of the support block, so that the workpiece is kept fixed at 90°.

[0008] The clamping fixture for welding the BMS mounting bracket as described above: the horizontal clamping mechanism includes:

[0009] A clamping plate and a second cylinder mounted on the workbench, wherein the movable end of the second cylinder is connected to the clamping plate via a connector.

[0010] The clamping fixture for welding the BMS mounting bracket as described above: the clamping plate and the second cylinder are located on both sides of the support block, respectively.

[0011] The BMS mounting bracket welding clamping fixture described above: the connecting member includes a connecting frame fixedly connected to the movable end of the second cylinder, and the connecting frame is fixed to the clamping plate by at least two connecting shafts;

[0012] The two connecting shafts are located on both sides of the support block.

[0013] The clamping fixture for welding the BMS mounting bracket as described above: the vertical clamping mechanism includes:

[0014] A clamping block and a movable frame fixedly connected to the clamping block, wherein one end of the movable frame away from the clamping block is hinged to the movable end of a first cylinder mounted on the workbench;

[0015] It also includes a support structure that connects to the movable frame.

[0016] The clamping fixture for welding the BMS mounting bracket as described above: the support structure includes:

[0017] A mounting plate fixed on the workbench and a fixed frame mounted on the mounting plate, wherein a connecting rod is hinged to one end of the fixed frame away from the mounting plate, and the other end of the connecting rod away from the fixed frame is hinged to the movable frame.

[0018] The clamping fixture for welding the BMS mounting bracket as described above: the top of the support block is provided with a positioning pin, and the end of the movable frame is formed with a notch for placing the positioning pin.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] The workpiece is initially positioned by setting support blocks, and then further clamped by horizontal and vertical clamping mechanisms to fix the workpiece in multiple directions, ensuring that the workpiece is stably clamped on the support blocks. At the same time, the horizontal clamping mechanism and the vertical clamping mechanism keep the workpiece fixed at 90° to reduce the angle deviation caused by welding deformation and improve the welding effect.

[0021] The clamping block is set to press against the side of the base plate away from the side plate, so that the welding part of the workpiece is on the side facing the second cylinder, which facilitates the welding process. Attached Figure Description

[0022] Figure 1 A schematic diagram of the clamping fixture used for welding the BMS mounting bracket.

[0023] Figure 2 A schematic diagram of the clamping fixture for welding the BMS mounting bracket from another angle.

[0024] Figure 3 Front view of the clamping fixture used for welding the BMS mounting bracket.

[0025] Figure 4 A schematic diagram of the structure for mounting brackets for the BMS.

[0026] In the diagram: 1-Workbench, 2-First cylinder, 3-Mounting plate, 4-Support block, 5-Second cylinder, 6-Connecting frame, 7-Connecting shaft, 8-Pressure plate, 9-Moveable frame, 901-Notch, 10-Fixed frame, 11-Connecting rod, 12-Pressure block, 13-Workpiece, 1301-Workpiece welding joint, 1302-Base plate, 1303-Top plate, 1304-Side plate, 14-Positioning pin. Detailed Implementation

[0027] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0028] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0029] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented even without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0030] Please see Figures 1-4 In this embodiment of the present invention, a clamping fixture for welding a BMS mounting bracket includes a workbench 1 and a support block 4 mounted on the workbench 1 for initially supporting a workpiece 13 to be welded; it also includes a horizontal clamping mechanism disposed on the workbench 1 for laterally pressing the workpiece 13 against the side of the support block 4 and a vertical clamping mechanism for vertically pressing the workpiece 13 against the top of the support block 4, so that the workpiece 13 is kept fixed at 90°. In this embodiment, the workpiece 13 is initially positioned by setting the support block 4, and then the workpiece 13 is further clamped by the horizontal clamping mechanism and the vertical clamping mechanism, so that the workpiece 13 is fixed in multiple directions, ensuring that the workpiece 13 is stably clamped on the support block 4. At the same time, the horizontal clamping mechanism and the vertical clamping mechanism work together to maintain the workpiece 13 at 90°, so as to reduce the angle deviation caused by welding deformation and improve the welding effect.

[0031] For details, please refer to Figure 4 The workpiece 13 includes a base plate 1302, a top plate 1303, and a side plate 1304. In this embodiment, the main purpose is to perform welding treatment at the workpiece welding joint 1301 between the side plate 1304 and the base plate 1302. At the same time, the BMS mounting bracket welding clamping fixture is used to maintain a 90° angle between the base plate 1302 and the top plate 1303.

[0032] Furthermore, the horizontal pressing mechanism includes a pressing plate 8 and a second cylinder 5 mounted on the workbench 1, and the movable end of the second cylinder 5 is connected to the pressing plate 8 through a connector. The pressing plate 8 and the second cylinder 5 are respectively located on both sides of the support block 4. For example, in one embodiment, the connector includes a connecting frame 6 fixedly connected to the movable end of the second cylinder 5. The connecting frame 6 is fixed to the pressing plate 8 through at least two connecting shafts 7; the two connecting shafts 7 are respectively located on both sides of the support block 4.

[0033] After the workpiece 13 is placed on the support block 4, the connecting frame 6 is driven to move by the second cylinder 5. The connecting frame 6 drives the pressing plate 8 to move toward the support block 4 through the connecting shaft 7, thereby achieving lateral pressing of the workpiece 13. In this embodiment, the pressing plate 8 is pressed against the side of the bottom plate 1302 away from the side plate 1304, so that the workpiece welding point 1301 is on the side facing the second cylinder 5, which facilitates welding.

[0034] Of course, the second cylinder 5 can also be replaced by an electric telescopic rod or a hydraulic cylinder, as long as the telescopic drive requirement is met. This embodiment does not make specific limitations on this.

[0035] Furthermore, the vertical clamping mechanism includes a clamping block 12 and a movable frame 9 fixedly connected to the clamping block 12. One end of the movable frame 9 away from the clamping block 12 is hinged to the movable end of the first cylinder 2 mounted on the workbench 1. It also includes a support structure connected to the movable frame 9. In one specific embodiment, the support structure includes a mounting plate 3 fixed on the workbench 1 and a fixed frame 10 mounted on the mounting plate 3. One end of the fixed frame 10 away from the mounting plate 3 is hinged to a connecting rod 11, and one end of the connecting rod 11 away from the fixed frame 10 is hinged to the movable frame 9.

[0036] When the first cylinder 2 extends and retracts, it works in conjunction with the support structure to drive the movable frame 9 to rotate, thereby causing the clamping block 12 to disengage from the workpiece 13 or move toward the workpiece 13, so as to achieve the vertical clamping action of the workpiece 13, ensuring the vertical limit of the workpiece 13, which facilitates the subsequent welding.

[0037] In this embodiment, the fixed frame 10 and the connecting rod 11 provide support for the movable frame 9 while ensuring that the movable frame 9 can rotate, thereby driving the clamping block 12 to rotate.

[0038] It should be noted that the vertical clamping mechanism described above is only one preferred embodiment. In actual implementation, a vertically mounted cylinder can also be directly fixed on the mounting plate 3, with the movable end of the cylinder connected to the clamping block 12. The extension and retraction of the cylinder drives the clamping block 12 to move vertically.

[0039] In order to achieve the initial positioning of workpiece 13, a positioning pin 14 is provided on the top of the support block 4, and a notch 901 is formed at the end of the movable frame 9 for the positioning pin 14 to be placed. The notch 901 is mainly set to ensure that the clamping block 12 can directly contact the workpiece 13 and ensure the stability of the clamping.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A clamping fixture for welding a BMS mounting bracket, comprising a worktable (1) and a support block (4) mounted on the worktable (1) for providing initial support for the workpiece (13) to be welded. Its features are, It also includes a horizontal pressing mechanism for pressing the workpiece (13) laterally against the side of the support block (4) and a vertical pressing mechanism for pressing the workpiece (13) vertically against the top of the support block (4) so ​​that the workpiece (13) is kept fixed at 90°.

2. The clamping fixture for welding a BMS mounting bracket according to claim 1, characterized in that, The horizontal clamping mechanism includes: The clamping plate (8) and the second cylinder (5) are mounted on the workbench (1), and the movable end of the second cylinder (5) is connected to the clamping plate (8) through a connector.

3. The clamping fixture for welding a BMS mounting bracket according to claim 2, characterized in that, The clamping plate (8) and the second cylinder (5) are located on both sides of the support block (4).

4. The clamping fixture for welding a BMS mounting bracket according to claim 3, characterized in that, The connector includes a connecting frame (6) fixedly connected to the movable end of the second cylinder (5), and the connecting frame (6) is fixed to the pressure plate (8) by at least two connecting shafts (7); The two connecting shafts (7) are located on both sides of the support block (4).

5. The clamping fixture for welding a BMS mounting bracket according to claim 1, characterized in that, The vertical clamping mechanism includes: A clamping block (12) and a movable frame (9) fixedly connected to the clamping block (12), wherein one end of the movable frame (9) away from the clamping block (12) is hinged to the movable end of the first cylinder (2) mounted on the workbench (1); It also includes a support structure that connects to the movable frame (9).

6. The clamping fixture for welding a BMS mounting bracket according to claim 5, characterized in that, The support structure includes: The mounting plate (3) is fixed on the workbench (1) and the fixing frame (10) is mounted on the mounting plate (3). A connecting rod (11) is hinged to one end of the fixing frame (10) away from the mounting plate (3). The end of the connecting rod (11) away from the fixing frame (10) is hinged to the movable frame (9).

7. The clamping fixture for welding a BMS mounting bracket according to claim 5, characterized in that, The top of the support block (4) is provided with a positioning pin (14), and the end of the movable frame (9) is formed with a notch (901) for the positioning pin (14) to be placed.