Tool for welding module vehicle frame

Abstract

The utility model belongs to the technical field of engineering mechanical equipment, and discloses a tool for welding a module vehicle frame, which comprises a reference platform, an axis pressing plate is mounted at the top of the reference platform, and an axis positioning mandrel is mounted on the axis pressing plate; a fixed top seat is mounted at the top of the reference platform, a welding positioning tool is mounted on the fixed top seat through a fastener, an end face positioning seat is mounted at the top of the reference platform, an end face positioning mandrel is mounted on the end face positioning seat, and an end face positioning pressing plate is mounted on the end face positioning mandrel; supporting legs are installed at the bottom of the reference platform, the supporting legs are installed on the ground through fasteners, the reference platform is formed by welding a thick steel plate, an H-shaped steel profile and a channel steel profile, a reference plane of the reference platform is formed through machining, and a positioning hole and a welding construction hole are machined in the reference plane. Welding deformation and the workload of accurate alignment and machine tool machining can be reduced, and the workpiece manufacturing quality and the production efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery and equipment technology, and in particular to a tooling for welding the frame of a modular vehicle. Background Technology

[0002] The tooling for welding modular vehicle frames (also known as welding fixtures or welding jigs) is a specialized piece of equipment used to fix, position, and support metal components during the assembly and welding process of the frame. Its core function is to ensure the geometric accuracy and dimensional stability of each component of the frame, and to improve welding efficiency and quality.

[0003] Existing tooling mostly uses ordinary welding methods, which cannot guarantee welding quality. Welded thick frames suffer from severe warping and deformation, large errors in axle spacing, poor interchangeability, and high scrap rates. In order to solve the technical problems of large welding deformation, inability to control key dimensions, poor frame interchangeability, and low processing efficiency in the manufacturing process of modular vehicle frames, we provide a tooling for welding modular vehicle frames. Utility Model Content

[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0005] Specifically, the technical problem to be solved by this utility model is to provide a tooling for welding modular vehicle frames, so as to solve the technical problems of large welding deformation, inability to control key dimensions, poor frame interchangeability and low processing efficiency in the current manufacturing process of modular vehicle frames.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] A tooling for welding a modular vehicle frame includes a reference platform, an axis pressure plate mounted on the top of the reference platform, and an axis positioning mandrel mounted on the axis pressure plate;

[0008] A fixed top seat is installed on the top of the reference platform. A welding positioning fixture is installed on the fixed top seat by fasteners. An end face positioning seat is installed on the top of the reference platform. An end face positioning mandrel is installed on the end face positioning seat. An end face positioning pressure plate is installed on the end face positioning mandrel.

[0009] The base platform is equipped with legs at its bottom, which are fixed to the ground by fasteners.

[0010] As an improved technical solution, the reference platform is formed by welding thick steel plates, H-beam profiles and channel steel profiles. The reference plane of the reference platform is formed by machining, and its interior is machined with positioning holes, welding construction holes and end positioning slots to facilitate the welding and forming of the reference platform, thereby facilitating the assembly of the vehicle frame.

[0011] As an improved technical solution, the reference platform is equipped with lifting plates at both ends, and a tilting shaft is provided at the center of both ends of the reference platform to facilitate adjustment.

[0012] As an improved technical solution, the axis positioning mandrel cooperates with the positioning holes machined on the reference platform to accurately position each axis support frame assembly during frame welding, so as to facilitate accurate positioning.

[0013] As an improved technical solution, the fixed top seat is provided with a top rod bolt for finely adjusting the relative position of the axis support frame, so as to facilitate easy adjustment, ensure and control of key dimensions.

[0014] As an improved technical solution, the end face positioning seat and the end face positioning slot cooperate with the end face positioning mandrel, the end face positioning pressure plate and the fastener to ensure the length direction, absolute size and parallelism of the frame, so as to ensure the length direction, absolute size and parallelism of the frame.

[0015] As an improved technical solution, the fastener consists of a high-strength hexagonal bolt, a high-strength hexagonal nut, and an elastic washer to facilitate the connection and fixation of the tooling.

[0016] As an improved technical solution, the tooling is used to ensure consistency and interchangeability of the modular vehicle frame, so as to improve the interchangeability and consistency of each frame.

[0017] After adopting the above technical solution, the beneficial effects of this utility model are:

[0018] 1. The tooling of this utility model can not only reduce welding deformation and the workload of precise alignment and machine tool processing, but also improve the quality of workpiece manufacturing and increase production efficiency.

[0019] 2. This utility model can effectively reduce welding deformation and improve welding quality by using a platform reference plane and fasteners.

[0020] 3. This utility model, through the cooperation of the positioning mandrel and the top rod bolt, can easily adjust, ensure and control key dimensions.

[0021] 4. The tooling of this utility model can greatly improve the interchangeability and consistency of each frame. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0023] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0024] Figure 2 This is a side view of the structure of this utility model.

[0025] Figure 3 This is a top view of the structure of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] In the diagram: 1. Reference platform; 2. Axis pressure plate; 3. Axis positioning mandrel; 4. Fixed top seat; 5. Welding positioning fixture; 6. End face positioning seat; 7. End face positioning mandrel; 8. End face positioning pressure plate; 9. Support leg; 10. Fastener. Detailed Implementation

[0028] 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.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0031] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0032] Reference Figure 1 , Figure 2 as well as Figure 3 A tooling for welding a modular vehicle frame is provided. This tooling for welding a modular vehicle frame includes a reference platform 1, which is formed by welding thick steel plates, H-beam profiles and channel steel profiles. The reference plane of the reference platform 1 is machined, and its interior is machined with positioning holes, welding construction holes and end positioning slots. Both ends of the reference platform 1 are provided with lifting plates, and the center of both ends of the reference platform 1 is provided with a flipping shaft. An axis pressure plate 2 is installed on the top of the reference platform 1, and an axis positioning mandrel 3 is installed on the axis pressure plate 2. The axis positioning mandrel 3 cooperates with the positioning holes machined in the reference platform 1 to accurately position each axis support frame assembly during the welding of the vehicle frame.

[0033] A fixed top seat 4 is installed on the top of the reference platform 1. The fixed top seat 4 is equipped with a top rod bolt for finely adjusting the relative position of the axis support frame. A welding positioning fixture 5 is installed on the fixed top seat 4 by fasteners 10. An end face positioning seat 6 is installed on the top of the reference platform 1. An end face positioning mandrel 7 is installed on the end face positioning mandrel 6. An end face positioning pressure plate 8 is installed on the end face positioning mandrel 7. The end face positioning seat 6 and the end positioning groove cooperate with the end face positioning mandrel 7, the end face positioning pressure plate 8 and the fasteners 10 to ensure the length direction, absolute size and parallelism of the frame.

[0034] The base platform 1 is equipped with a support leg 9 at its bottom. The support leg 9 is mounted on the ground by a fastener 10, which consists of a high-strength hexagonal bolt, a high-strength hexagonal nut, and an elastic washer.

[0035] Reference Figure 1 , Figure 2 as well as Figure 3 The tooling is used to ensure consistency and interchangeability in the use of modular vehicle frames.

[0036] This invention provides a tooling fixture that allows for controllable welding deformation, precise positioning, reliable interchangeability, and higher processing efficiency. This tooling fixture can not only reduce welding deformation and the workload of precise alignment and machine tool processing, but also improve workpiece manufacturing quality and increase production efficiency.

[0037] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A tooling for welding the frame of a modular vehicle, characterized in that: Includes a reference platform (1), on the top of which is an axis pressure plate (2), and an axis positioning mandrel (3) is mounted on the axis pressure plate (2); A fixed top seat (4) is installed on the top of the reference platform (1). A welding positioning fixture (5) is installed on the fixed top seat (4) by fasteners (10). An end face positioning seat (6) is installed on the top of the reference platform (1). An end face positioning mandrel (7) is installed on the end face positioning seat (6). An end face positioning pressure plate (8) is installed on the end face positioning mandrel (7). The base platform (1) is equipped with a support leg (9) at its bottom, which is mounted on the ground by the fastener (10).

2. The tooling for welding modular vehicle frames according to claim 1, characterized in that: The reference platform (1) is formed by welding thick steel plate, H-beam profile and channel steel profile. The reference plane of the reference platform (1) is formed by machining. The internal part is machined with positioning holes, welding construction holes and end positioning slots.

3. The tooling for welding modular vehicle frames according to claim 2, characterized in that: The reference platform (1) is provided with lifting plates at both ends, and the reference platform (1) is provided with a flipping shaft at the center of both ends.

4. The tooling for welding modular vehicle frames according to claim 1, characterized in that: The axial positioning mandrel (3) and the positioning hole machined on the reference platform (1) are used to accurately position each axial support frame assembly during frame welding.

5. The tooling for welding modular vehicle frames according to claim 4, characterized in that: The fixed top seat (4) is provided with a top rod bolt for finely adjusting the relative position of the axis support frame.

6. The tooling for welding modular vehicle frames according to claim 1, characterized in that: The end face positioning seat (6) and the end positioning slot cooperate with the end face positioning mandrel (7), the end face positioning pressure plate (8) and the fastener (10) to ensure the length direction, absolute size and parallelism of the frame.

7. The tooling for welding modular vehicle frames according to claim 1, characterized in that: The fastener (10) consists of a high-strength hexagonal bolt, a high-strength hexagonal nut, and an elastic washer.

8. The tooling for welding modular vehicle frames according to any one of claims 1-7, characterized in that: The tooling is used to ensure consistency and interchangeability of the modular vehicle frame.

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