Anti-deformation mechanism of battery pack rolling steel welding fixture

Abstract

The utility model discloses an anti-deformation mechanism of a battery pack rolling steel welding fixture. The anti-deformation mechanism comprises a bottom plate; the supporting seat is arranged on the bottom plate and can support the cross beam; the clamping mechanism is mounted on the bottom plate, and the clamping mechanism can clamp the angle seat; the pressing mechanism is mounted on the bottom plate, and the pressing mechanism can press the cross beam on the supporting seat; the pressing mechanism is further provided with a push plate, the push plate can press the side edge of the cross beam, thrust can be applied to the workpiece, the clamped workpiece can be blocked by the force for rolling the steel workpiece to move towards the inner side during welding, and the purpose of preventing the workpiece from being heated and deformed during welding is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery pack processing, and in particular relates to an anti-deformation mechanism of a rolled steel welding fixture for a battery pack. Background Art

[0002] In the process of implementing the utility model, the inventor found that the prior art has at least the following problems:

[0003] Clamps are widely used in automobile production. Clamps are required for welding some parts. The structure of existing battery pack welding fixtures cannot meet the welding requirements of some rolled steel parts of battery pack shells. Rolled steel parts deform inward during welding.

[0004] CN109955022A-Battery pack box welding method and battery pack box welding tooling for implementing the method discloses a battery pack box welding method and a battery pack box welding tooling for implementing the method, belonging to the field of automobile manufacturing technology. The battery pack box welding method includes the following steps: 1) firstly invert the bottom box on the assembly welding platform, and then place the reinforcing support on the bottom box; 2) then place the pressing plate on the upper end surface of the reinforcing support, and press the pressing plate, the bottom box and the reinforcing support on the assembly welding platform through the clamping member; 3) weld the reinforcing support, the reinforcing support and the outer bottom surface of the bottom box together; it also cannot solve the above technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an anti-deformation mechanism for a battery pack rolled steel welding fixture, which can apply a thrust to the workpiece so that the clamped workpiece can obtain a backrest, and the force of the rolled steel workpiece moving inward during welding is blocked, thereby achieving the purpose of preventing the workpiece from being deformed due to heat during welding.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a battery pack roll-pressed steel welding fixture anti-deformation mechanism, having:

[0007] Base plate;

[0008] A support seat, arranged on the bottom plate, and capable of supporting the crossbeam;

[0009] A clamping mechanism, mounted on the bottom plate, capable of clamping an angle seat;

[0010] A clamping mechanism is installed on the bottom plate, and the clamping mechanism can clamp the crossbeam onto the support seat; a push plate is also provided on the clamping mechanism, and the push plate can clamp the side of the crossbeam.

[0011] The clamping mechanism comprises:

[0012] A support, mounted on the bottom plate;

[0013] A pressure arm, the middle portion of which is hinged to the support;

[0014] A pressing plate is arranged on the first end of the pressing arm; and the pushing plate is arranged below the first end of the pressing arm;

[0015] The cylinder is hinged on the support, and the piston rod of the cylinder is hinged to the second end of the pressure arm.

[0016] The support is also provided with a support block for supporting the cross beam, and the position of the support block corresponds to the pressure plate.

[0017] The clamping mechanism is provided with clamping claws, which can clamp the corner seat and fit the corner seat to the crossbeam.

[0018] There are four cross beams in total, and the four cross beams form a square frame; a series of clamping mechanisms are evenly arranged on the outer periphery of the square frame.

[0019] A series of clamping mechanisms are evenly arranged on the inner circumference of the square frame.

[0020] One of the above technical solutions has the following advantages or beneficial effects: it can apply thrust to the workpiece so that the clamped workpiece can have a backrest, and the force of the rolled steel workpiece moving inward during welding can be blocked, thereby preventing the workpiece from being deformed by heat during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the anti-deformation mechanism of the battery pack roll-pressed steel welding fixture provided in an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the anti-deformation mechanism of the battery pack roll-pressed steel welding fixture;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure of the anti-deformation mechanism of the battery pack roll-pressed steel welding fixture;

[0024] The marks in the above figures are: 1. base plate, 2. support seat, 3. crossbeam, 4. angle seat, 5. clamping mechanism, 51. support, 511. support block, 52. pressing arm, 53. pressing plate, 54. push plate, 55. cylinder, 6. clamping mechanism, 61. clamping claw. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 3 , a battery pack roll-pressed steel welding fixture anti-deformation mechanism, comprising: a bottom plate 1; a support seat 2, arranged on the bottom plate 1, the support seat 2 can support the cross beam 3, and play the role of positioning and supporting the cross beam 3; a clamping mechanism 6, installed on the bottom plate 1, the clamping mechanism 6 can clamp the angle seat 4, and can clamp the angle seat 4 and fit the angle seat 4 with the cross beam 3; a pressing mechanism 5, installed on the bottom plate 1, the pressing mechanism 5 can press the cross beam 3 on the support seat 2, and play a pressing role; the pressing mechanism 5 is also provided with a push plate 54, and the push plate 54 can press the side of the cross beam 3. A thrust can be applied to the workpiece, so that the clamped workpiece has a backrest, and the force of the roll-pressed steel workpiece moving inward during welding is blocked, so as to prevent the workpiece from being deformed by heat during welding.

[0027] The clamping mechanism 5 comprises: a support 51, mounted on the bottom plate 1; a pressure arm 52, the middle of which is hinged on the support 51; a pressure plate 53, arranged on the first end of the pressure arm 52; a push plate 54, arranged below the first end of the pressure arm 52; a cylinder 55, hinged on the support 51, and a piston rod of the cylinder 55 is hinged to the second end of the pressure arm 52. The pressure arm 52 is driven to swing by the cylinder 55, thereby driving the pressure plate 53 to press the cross beam 3, and the push plate 54 can apply a thrust to the workpiece, so that the clamped workpiece has a backrest, and the force of the rolled steel workpiece moving inward during welding is blocked, so as to prevent the workpiece from being deformed by heat during welding.

[0028] The support 51 is also provided with a support block 511 for supporting the cross beam 3, and the position of the support block 511 corresponds to the pressing plate 53. It plays a supporting role in the pressing process to prevent extrusion deformation.

[0029] The clamping mechanism 6 is provided with a clamping claw 61 , which can clamp the angle seat 4 and fit the angle seat 4 to the cross beam 3 , so as to facilitate welding of the angle seat 4 .

[0030] There are four cross beams 3, which enclose a square frame; a series of clamping mechanisms 6 are evenly arranged on the outer periphery of the square frame, and a series of pressing mechanisms 5 are evenly arranged on the inner periphery of the square frame. The frame is evenly processed and welded.

[0031] With the above structure, a thrust can be applied to the workpiece so that the clamped workpiece can have a backrest, and the force of the rolled steel workpiece moving inward during welding can be blocked, thereby preventing the workpiece from being deformed by heat during welding.

[0032] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

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

Claims

1. A battery pack roll-pressed steel welding fixture anti-deformation mechanism, characterized in that: have: Base plate; A support seat, arranged on the bottom plate, and capable of supporting the crossbeam; A clamping mechanism, mounted on the bottom plate, capable of clamping an angle seat; A clamping mechanism is installed on the bottom plate, and the clamping mechanism can clamp the crossbeam onto the support seat; a push plate is also provided on the clamping mechanism, and the push plate can clamp the side of the crossbeam.

2. The anti-deformation mechanism of the battery pack roll-pressed steel welding fixture according to claim 1, characterized in that: The clamping mechanism comprises: A support, mounted on the bottom plate; A pressure arm, the middle portion of which is hinged to the support; A pressing plate is arranged on the first end of the pressing arm; and the pushing plate is arranged below the first end of the pressing arm; The cylinder is hinged on the support, and the piston rod of the cylinder is hinged to the second end of the pressure arm.

3. The anti-deformation mechanism of the battery pack roll-pressed steel welding fixture according to claim 2, characterized in that: The support is also provided with a support block for supporting the cross beam, and the position of the support block corresponds to the pressure plate.

4. The anti-deformation mechanism of the battery pack roll-pressed steel welding fixture according to claim 3, characterized in that: The clamping mechanism is provided with clamping claws, which can clamp the corner seat and fit the corner seat to the crossbeam.

5. The anti-deformation mechanism of the battery pack roll-pressed steel welding fixture according to claim 4, characterized in that: There are four cross beams in total, and the four cross beams form a square frame; a series of clamping mechanisms are evenly arranged on the outer periphery of the square frame.

6. The anti-deformation mechanism of the battery pack roll-pressed steel welding fixture according to claim 5, characterized in that: A series of clamping mechanisms are evenly arranged on the inner circumference of the square frame.

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