Positioning fixture and welding apparatus for shock absorber housing assembly welding

Abstract

This utility model discloses a positioning fixture and welding device for welding a shock absorber housing assembly. The shock absorber housing assembly includes a tubular portion and a square portion to be welded to the tubular portion. The positioning fixture includes a base, a first parallel guide rail assembly, a first moving platform, a first abutting portion, a clamping portion, and a second abutting portion. The first parallel guide rail assembly includes two rails, which are arranged parallel to each other at one end of the base. The first moving platform is movably arranged on the two rails. The first abutting portion is arranged on the first moving platform and has a cylindrical member for abutting against the tubular portion, with at least a portion of the cylindrical member located inside the tubular portion. The clamping portion is arranged at the other end of the base and is used to clamp the tubular portion. The second abutting portion is arranged at the other end of the base and is located behind the clamping portion. The second abutting portion has an abutting protrusion for abutting against the end face of the tubular portion.

Description

Technical Field

[0001] This utility model relates to the technical field of tungsten inert gas welding, specifically to a positioning fixture and welding device for welding shock absorber housing components. Background Technology

[0002] In related technologies, welding guns and other tools are needed to weld the various components during the processing of the shock absorber housing.

[0003] Through research, the inventors discovered that existing tooling fixtures pose a risk of rotation of the shock absorber housing components during clamping, and there is room for improvement. Utility Model Content

[0004] The purpose of this invention is to provide a positioning fixture and welding device for welding shock absorber housing components, in order to solve the problems of existing fixtures and jigs in use.

[0005] Therefore, one embodiment of the present invention provides a positioning fixture for welding shock absorber housing components.

[0006] Therefore, another embodiment of the present invention provides a welding apparatus for welding shock absorber housing assemblies.

[0007] According to an embodiment of the present invention, a positioning fixture for welding a shock absorber housing assembly includes a tubular portion and a square portion to be welded to the tubular portion. The positioning fixture includes a base, a first parallel guide rail assembly, a first moving platform, a first abutting portion, a clamping portion, and a second abutting portion. The first parallel guide rail assembly includes two rails, which are arranged parallel to each other at one end of the base. The first moving platform is movably arranged on the two rails. The first abutting portion is arranged on the first moving platform and has a cylindrical member abutting against the tubular portion, with at least a portion of the cylindrical member located inside the tubular portion. The clamping portion is arranged at the other end of the base and is used to clamp the tubular portion. The second abutting portion is arranged at the other end of the base and is located behind the clamping portion. The second abutting portion has an abutting protrusion abutting against the end face of the tubular portion.

[0008] In some embodiments, the base is a multi-layer support plate structure.

[0009] In some embodiments, the positioning fixture further includes a limiting part; the limiting part is disposed on the base, the front end of the limiting part is provided with a limiting post, the first abutting part is provided with a limiting hole, and the limiting hole is adapted to be sleeved on the limiting post.

[0010] In some embodiments, the positioning fixture further includes a plurality of support portions; the plurality of support portions are spaced apart on the base, and the support portions are used to support the tubular portion.

[0011] In some embodiments, there are three abutment protrusions, which are evenly distributed along the circumferential direction.

[0012] In some embodiments, the positioning fixture further includes a positioning column assembly; the positioning column assembly includes a mounting base and a positioning rod, the mounting base is disposed on the first moving platform, the positioning rod is mounted on the mounting base, and the direction of the positioning rod is the same as that of the tubular portion.

[0013] In some embodiments, the first mobile platform is further provided with a mobile guide rail, and the mounting base is movably disposed on the mobile guide rail.

[0014] A welding apparatus for welding a shock absorber housing assembly according to an embodiment of the present invention, the shock absorber housing assembly including a tubular portion and a square portion to be welded to the tubular portion, the welding apparatus including a housing, a positioning fixture, a feeding mechanism, and two tungsten inert gas (TIG) welding mechanisms, the housing including a bottom, a frame, and a lifting door disposed on the frame; the positioning fixture is the positioning fixture described in any of the above embodiments, the positioning fixture is disposed on the bottom of the housing, the positioning fixture is used to clamp the tubular portion, and the end of the tubular portion to be welded is oriented towards the inside of the frame; the feeding mechanism is used to clamp the square portion, move it, and place it on the tubular portion; the TIG welding mechanisms are disposed on the bottom of the housing, and the welding torch on the TIG welding mechanism can move to the tubular portion and the square portion to complete the welding.

[0015] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Other features and aspects of this disclosure will become clearer from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a positioning tooling according to an embodiment of the present utility model.

[0018] Figure 2This is another schematic diagram of the positioning tooling according to an embodiment of the present utility model.

[0019] Figure 3 This is another schematic diagram of the positioning tooling according to an embodiment of the present utility model.

[0020] Figure 4 This is a schematic diagram of a welding apparatus according to an embodiment of the present utility model.

[0021] Figure label:

[0022] Positioning fixture 100, base 10, first parallel guide rail assembly 20, rail 21, first moving platform 30, moving guide rail 31, first abutting part 40, cylindrical part 41, limiting hole 42, clamping part 50, second abutting part 60, abutting protrusion 61, limiting part 70, limiting post 71, support part 80, positioning column assembly 90, mounting base 91, positioning rod 92.

[0023] Shock absorber housing assembly 200, tubular part 201, square part 202, welding device 300. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to specific implementation schemes. However, those skilled in the art should understand that the implementation schemes described below are only for illustrating this utility model and should not be regarded as limiting the scope of this utility model. Based on the implementation schemes in this utility model, all other implementation schemes obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] like Figures 1-4 As shown, according to an embodiment of the present invention, a positioning fixture 100 for welding a shock absorber housing assembly 200 is provided. The shock absorber housing assembly 200 includes a tubular portion 201 and a square portion 202 to be welded to the tubular portion 201. The positioning fixture 100 includes a base 10, a first parallel guide rail assembly 20, a first moving platform 30, a first abutting portion 40, a clamping portion 50, and a second abutting portion 60.

[0026] The first parallel guide rail assembly 20 includes two rails 21, which are arranged in parallel at one end of the base 10.

[0027] The first moving platform 30 is movably disposed on two tracks 21. The first abutting part 40 is disposed on the first moving platform 30. A cylindrical member 41 is disposed on the first abutting part 40. The cylindrical member 41 is used to abut against the tubular part 201, and at least a portion of the cylindrical member 41 is located inside the tubular part 201.

[0028] It is understandable that a cylindrical member 41 is provided on the first contact portion 40, and at least a portion of the cylindrical member 41 is located inside the tubular portion 201, which helps to prevent the tubular portion 201 from rotating.

[0029] A clamping part 50 is provided at the other end of the base 10, and the clamping part 50 is used to clamp the tubular part 201. A second abutting part 60 is provided at the other end of the base 10, and the second abutting part 60 is located behind the clamping part 50. An abutting protrusion 61 is provided on the second abutting part 60, and the abutting protrusion 61 is used to abut against the end face of the tubular part 201.

[0030] In some embodiments, the base 10 is a multi-layer support plate structure.

[0031] Understandably, the multi-layer support plate structure helps reduce the overall weight of the base 10.

[0032] In some embodiments, the positioning fixture 100 further includes a limiting part 70; the limiting part 70 is disposed on the base 10, the front end of the limiting part 70 is provided with a limiting post 71, and the first abutting part 40 is provided with a limiting hole 42, the limiting hole 42 being adapted to be sleeved on the limiting post 71.

[0033] In some embodiments, the positioning fixture 100 further includes a plurality of support portions 80; the plurality of support portions 80 are spaced apart on the base 10, and the support portions 80 are used to support the tubular portion 201.

[0034] Understandably, the support portion 80 helps to improve the stability of the tubular portion 201.

[0035] In some embodiments, there are three abutment protrusions 61, which are evenly distributed along the circumferential direction.

[0036] In some embodiments, the positioning fixture 100 further includes a positioning column assembly 90; the positioning column assembly 90 includes a mounting base 91 and a positioning rod 92, the mounting base 91 is disposed on the first moving platform 30, the positioning rod 92 is mounted on the mounting base 91, and the direction of the positioning rod 92 is the same as that of the tubular portion 201.

[0037] In some embodiments, a moving guide rail 31 is also provided on the first moving platform 30, and the mounting base 91 is movably disposed on the moving guide rail 31.

[0038] like Figure 4 As shown, a welding device 300 for welding a shock absorber housing assembly 200 according to an embodiment of the present invention is provided. The shock absorber housing assembly 200 includes a tubular portion 201 and a square portion 202 to be welded to the tubular portion 201. The welding device 300 includes a housing, a positioning fixture 100, a feeding mechanism, and two tungsten inert gas welding mechanisms.

[0039] The box body includes a box bottom, a frame, and a lifting door mounted on the frame; the positioning fixture 100 is the positioning fixture 100 of any of the above embodiments, the positioning fixture 100 is mounted on the box bottom, the positioning fixture 100 is used to clamp the tubular part 201, and the end of the tubular part 201 to be welded faces the inside of the frame; the feeding mechanism is used to clamp the square part 202, and after moving it, place it on the tubular part 201; the tungsten inert gas welding mechanism is mounted on the box bottom, and the welding torch on the tungsten inert gas welding mechanism can move to the tubular part 201 and the square part 202 and complete the welding.

[0040] The welding device 300 of this utility model uses tungsten inert gas (TIG) welding to weld the shock absorber housing assembly. The TIG welding of this utility model has no spatter and produces less smoke and dust. Compared with resistance welding, which produces sparks and electromagnetic interference during the welding process, TIG welding is more environmentally friendly and has higher welding stability in terms of welding strength.

[0041] In this invention, the electric arc heat is concentrated, allowing for precise control of welding heat input. The welding heat-affected zone is narrow, and no slag or spatter is produced during the welding process. The weld surface is relatively smooth, and there is no smoke or dust during the welding process. The molten pool is easy to control, resulting in high weld quality. Welding parameters can be precisely controlled, making it easy to achieve full automation of welding quality.

[0042] This invention reduces weld slag formation, improves weld strength and weld purity, and reduces electromagnetic interference and welding sparks. It also reduces the heat-affected zone and the degree of deformation of the welded parts. The system is equipped with an automatic feeding device, reducing labor costs.

[0043] It should be noted that the tungsten inert gas welding system in this invention is an automated device with a CNC panel and an intelligent control system.

[0044] In this utility model, the lifting door needs to be lowered before welding. The lifting door is used to separate the welding joint between the tubular part 201 and the square part 202, thus protecting the operator.

[0045] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0046] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0047] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0049] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0050] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A positioning fixture for welding shock absorber housing assemblies, characterized in that, The shock absorber housing assembly includes a tubular portion and a square portion to be welded to the tubular portion, and the positioning fixture includes: Base; A first parallel guide rail assembly, comprising two rails arranged parallel to each other at one end of the base; A first mobile platform is movably mounted on the two tracks; A first abutting part is disposed on the first moving platform. A cylindrical member is disposed on the first abutting part. The cylindrical member is used to abut against the tubular part, and at least a portion of the cylindrical member is located inside the tubular part. A clamping part is disposed at the other end of the base, and the clamping part is used to clamp the tubular part; The second abutment portion is disposed at the other end of the base and is located behind the clamping portion. The second abutment portion is provided with an abutment protrusion for abutting against the end face of the tubular portion.

2. The positioning fixture according to claim 1, characterized in that, The base has a multi-layer support plate structure.

3. The positioning fixture according to claim 1, characterized in that, It also includes a limiting part; The limiting part is disposed on the base, and a limiting post is provided at the front end of the limiting part. A limiting hole is provided on the first abutting part, and the limiting hole is adapted to be sleeved on the limiting post.

4. The positioning fixture according to claim 1, characterized in that, It also includes multiple support sections; Multiple support portions are spaced apart on the base, and the support portions are used to support the tubular portion.

5. The positioning fixture according to claim 1, characterized in that, There are three abutting protrusions, which are evenly distributed along the circumference.

6. The positioning fixture according to claim 1, characterized in that, It also includes positioning column components; The positioning column assembly includes a mounting base and a positioning rod. The mounting base is disposed on the first moving platform, and the positioning rod is mounted on the mounting base. The direction of the positioning rod is the same as that of the tubular part.

7. The positioning fixture according to claim 6, characterized in that, The first mobile platform is also provided with a mobile guide rail, and the mounting base is movably mounted on the mobile guide rail.

8. A welding apparatus for welding shock absorber housing assemblies, characterized in that, The shock absorber housing assembly includes a tubular portion and a square portion to be welded to the tubular portion, and the welding device includes: The container includes a bottom, a frame, and a lift door mounted on the frame; The positioning fixture is any one of claims 1-7, the positioning fixture is disposed on the bottom of the box, the positioning fixture is used to clamp the tubular part, and the end of the tubular part to be welded is oriented towards the inside of the frame; A feeding mechanism is used to clamp the square part and move it to place it on the tubular part; Two tungsten inert gas (TIG) welding mechanisms are provided, which are located on the bottom of the box. The welding torches on the TIG welding mechanisms can be moved to the tubular part and the square part to complete the welding.

Images