Welding and fixing device for bottom fork of electric vehicle

Abstract

The utility model discloses an electric vehicle bottom fork welding fixing device, and relates to the technical field of bottom fork welding, the electric vehicle bottom fork welding fixing device comprises a positioning bottom plate and a connecting piece, the positioning bottom plate can be connected with a positioner through the connecting piece, a positioning block assembly is arranged on the positioning bottom plate, and the positioning block assembly is used for positioning an electric vehicle bottom fork. A hollowed-out part is further arranged at the position, close to the positioning block assembly, of the positioning bottom plate, and the hollowed-out part is used for allowing a welding device to pass through so as to weld the electric vehicle bottom fork. According to the electric vehicle bottom fork welding device, one-step welding of an electric vehicle bottom fork can be achieved, investment of personnel and equipment is reduced, machining cost is saved, and defects caused by accumulated tolerance and accumulated deformation in the multi-step welding process of the electric vehicle bottom fork can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of flat fork welding, in particular to a flat fork welding and fixing device for an electric vehicle. Background Art

[0002] During the welding process of the electric vehicle flat fork assembly, tooling and fixtures are required for positioning. Currently, tooling and fixtures are usually fixed positioning structures. Affected by the structure of the fixing device, some welds cannot be welded during the flat fork welding process. It is necessary to increase personnel or add other fixing devices for supplementary welding to complete the flat fork assembly welding, resulting in high welding costs, large accumulated welding deformation tolerances, and a high quality defect rate.

[0003] Therefore, it is urgent to provide a new electric vehicle flat fork welding and fixing device to solve the above problems existing in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide a welding and fixing device for an electric vehicle flat fork to solve the problems existing in the above-mentioned prior art, to realize one-step welding of the electric vehicle flat fork, to reduce the investment in personnel and equipment, to save processing costs, and to greatly reduce the defects caused by accumulated tolerances and accumulated deformations of the electric vehicle flat fork during the multi-step welding process.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a welding and fixing device for an electric vehicle flat fork, comprising a positioning base plate and a connecting piece, wherein the positioning base plate can be connected to a positioner through the connecting piece, a positioning block assembly is arranged on the positioning base plate, and the positioning block assembly is used to position the electric vehicle flat fork, and a hollow portion is also arranged on the positioning base plate near the positioning block assembly, and the hollow portion is used for a welding device to pass through so as to weld the electric vehicle flat fork.

[0007] Preferably, the connecting member comprises a connecting plate, and the connecting plate is arranged at one end of the positioning base plate away from the positioning block assembly.

[0008] Preferably, the connecting plate is a circular plate.

[0009] Preferably, a reinforcing plate is further provided between the connecting plate and the positioning base plate.

[0010] Preferably, the reinforcing plates are trapezoidal plates, and a plurality of the reinforcing plates are arranged side by side.

[0011] Preferably, the positioning base plate, the positioning block assembly and the connecting member are an integrated structure.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The utility model is provided with a hollow part at a position near the positioning block assembly on the positioning bottom plate, and the hollow part is used for allowing a welding device to pass through so as to reach a position where the electric vehicle flat fork cannot be directly welded before for welding, thereby realizing one-step welding of the electric vehicle flat fork, reducing the investment in personnel and equipment, saving processing costs, and greatly reducing the defects caused by accumulated tolerances and accumulated deformations of the electric vehicle flat fork during the multi-step welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic structural diagram of a welding and fixing device for a flat fork of an electric vehicle in an embodiment of the utility model.

[0016] In the figure: 100-electric vehicle flat fork, 1-positioning block assembly, 2-positioning bottom plate, 3-connecting plate, 4-reinforcement plate, 5-hollow part. DETAILED DESCRIPTION

[0017] 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.

[0018] The purpose of the utility model is to provide a welding and fixing device for an electric vehicle flat fork to solve the problems existing in the above-mentioned prior art, to realize one-step welding of the electric vehicle flat fork, to reduce the investment in personnel and equipment, to save processing costs, and to greatly reduce the defects caused by accumulated tolerances and accumulated deformations of the electric vehicle flat fork during the multi-step welding process.

[0019] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Embodiment 1

[0021] like Figure 1As shown, in this embodiment, a welding and fixing device for an electric vehicle flat fork is provided, which mainly includes a positioning base plate 2 and a connecting piece. The positioning base plate 2 can be connected to a positioner through the connecting piece. A positioning block assembly 1 is provided on the positioning base plate 2. The positioning block assembly 1 is used to position the electric vehicle flat fork 100. A hollow portion 5 is also provided on the positioning base plate 2 near the positioning block assembly 1. The hollow portion 5 is used for a welding device to pass through to weld the electric vehicle flat fork 100. When the electric vehicle flat fork 100 is provided on the positioning block assembly 1, the hollow portion 5 is located below the electric vehicle flat fork 100. This embodiment can realize one-step welding of the electric vehicle flat fork 100, reduce the investment in personnel and equipment, save processing costs, and can greatly reduce the defects of the electric vehicle flat fork 100 caused by cumulative tolerance and cumulative deformation during multi-step welding.

[0022] In the present embodiment, it is also necessary to explain that the positioning block assembly 1 mainly includes a plurality of positioning blocks, and the different positions of the electric vehicle fork 100 are positioned by means of the plurality of positioning blocks. The positions and quantities of the positioning blocks can be adjusted according to the different types of the electric vehicle fork 100, as long as the positioning of the electric vehicle fork 100 can be achieved. The above structure is a mature prior art in the field and will not be described in detail in the present embodiment.

[0023] In this embodiment, the connecting member mainly includes a connecting plate 3 , and the connecting plate 3 is arranged at one end of the positioning base plate 2 away from the positioning block assembly 1 .

[0024] As a preferred embodiment, the connecting plate 3 is a circular plate, but it should be noted that the connecting plate 3 is not limited to a circular plate, and a rectangular plate or the like can also be selected according to specific work needs.

[0025] In this embodiment, a reinforcing plate 4 is further provided between the connecting plate 3 and the positioning base plate 2 to improve the connection strength.

[0026] In this embodiment, the reinforcing plates 4 are preferably trapezoidal plates, and a plurality of them are arranged side by side, preferably two are arranged.

[0027] In this embodiment, the positioning base plate 2, the positioning block assembly 1 and the connecting member are an integrated structure.

[0028] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A welding and fixing device for electric vehicle flat forks, characterized in that: It includes a positioning base plate and a connecting piece, and the positioning base plate can be connected to the positioner through the connecting piece. A positioning block assembly is arranged on the positioning base plate, and the positioning block assembly is used to position the electric vehicle flat fork. A hollow part is also arranged on the positioning base plate near the positioning block assembly, and the hollow part is used for a welding device to pass through so as to weld the electric vehicle flat fork.

2. The electric vehicle flat fork welding and fixing device according to claim 1, characterized in that: The connecting member comprises a connecting plate, and the connecting plate is arranged at one end of the positioning base plate away from the positioning block assembly.

3. The electric vehicle flat fork welding and fixing device according to claim 2, characterized in that: The connecting plate is a circular plate.

4. The electric vehicle flat fork welding and fixing device according to claim 2 or 3, characterized in that: A reinforcing plate is also provided between the connecting plate and the positioning base plate.

5. The electric vehicle flat fork welding and fixing device according to claim 4, characterized in that: The reinforcing plates are trapezoidal plates, and a plurality of reinforcing plates are arranged side by side.

6. The electric vehicle flat fork welding and fixing device according to claim 1, characterized in that: The positioning base plate, the positioning block assembly and the connecting piece are an integrated structure.

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