A welding assembly tool for improving welding assembly efficiency

By designing a multifunctional welding assembly fixture, the problem of low assembly efficiency of the rear suspension lower bracket in the existing technology was solved, and an efficient and low-cost assembly solution was achieved.

CN224526382UActive Publication Date: 2026-07-21SHIYAN HESHUO IND & TRADE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHIYAN HESHUO IND & TRADE CO LTD
Filing Date
2025-08-20
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing assembly and welding fixtures for the rear suspension lower bracket are diverse and require repeated disassembly and assembly, which affects assembly efficiency.

Method used

A welding assembly fixture including a base plate, a support limiting mechanism, a side limiting mechanism, and an end limiting mechanism was designed. By adjusting the limiting mechanism, the assembly requirements of various rear suspension lower brackets can be met, reducing the repeated disassembly and assembly steps of the fixture.

Benefits of technology

It improves welding and assembly efficiency, reduces production costs and saves storage space, and meets the assembly requirements of various rear-mounted underbody brackets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of welding assembly tool for improving welding assembly efficiency, it is related to automobile manufacturing technical field, it includes bottom plate, and support limiting mechanism and side limiting mechanism are set on bottom plate;Support limiting mechanism includes long strip's limiting plate, and the bottom of limiting plate is fixedly connected with bottom plate through vertical plate, and several positioning through holes are provided in limiting plate, and at least one positioning through hole is vertically inserted with limiting rod, and limiting rod is used to be inserted in the top surface mounting hole of workpiece;Side limiting mechanism is set in the front of support limiting mechanism, including first limiting block of inverted T, and several first positioning screw holes are set in first limiting block, and at least one first positioning screw hole is provided with first limiting column, and the end of first limiting column is provided with pressure head for pressing the side of workpiece.
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Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a welding assembly fixture for improving welding assembly efficiency. Background Technology

[0002] The existing rear lower suspension bracket assembly and welding fixtures are numerous and varied. Different assembly and welding fixtures need to be selected for different rear lower suspension brackets, which requires repeated disassembly and assembly of the fixtures, thus affecting assembly efficiency. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a welding assembly fixture that improves welding assembly efficiency. A single fixture can meet the assembly and welding needs of multiple types of rear suspension lower brackets, reducing production costs and saving storage space. During assembly, only the adjustment of each limiting mechanism is needed to meet the assembly requirements of different rear suspension lower brackets, eliminating the need for repeated disassembly and reassembly of the fixture, thus improving assembly efficiency.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a welding assembly fixture for improving welding assembly efficiency, comprising a base plate, wherein a support limiting mechanism and a side limiting mechanism are provided on the base plate; the support limiting mechanism comprises a long strip-shaped limiting plate, the bottom of which is fixedly connected to the base plate via a vertical plate, and a plurality of positioning through holes are provided through the limiting plate, wherein a limiting rod is vertically inserted into at least one positioning through hole, and the limiting rod is used to be inserted into the mounting hole on the top surface of the workpiece; the side limiting mechanism is provided in front of the support limiting mechanism, comprising an inverted T-shaped first limiting block, wherein a plurality of first positioning screw holes are provided on the first limiting block, wherein a first limiting post is provided in at least one first positioning screw hole, and a pressure head for pressing against the side of the workpiece is provided at the end of the first limiting post.

[0005] A further improvement is that at least one pressure head is equipped with a soft pad.

[0006] A further improvement is that the base plate is provided with several mounting holes in the horizontal direction at the position in front of the support and limiting mechanism, and the first limiting block is installed in the corresponding mounting holes.

[0007] A further improvement is that an end limiting mechanism is also provided on the base plate. The end limiting mechanism is located on the right side of the support limiting mechanism and is used to position the end of the workpiece.

[0008] A further improvement is that the end limiting mechanism includes two second limiting blocks arranged laterally opposite each other, and at least one second limiting post is provided on the second limiting block. The lower end of the second limiting post is provided with a reduced diameter portion for penetrating the workpiece and inserting into the second limiting block.

[0009] Further improvements include: a positioning long rod and a positioning short rod; an inverted T-shaped third limiting block is provided between the two second limiting blocks and the supporting limiting mechanism; the positioning long rod passes through the two second limiting blocks and connects to the third limiting block; the positioning short rod is located above the two second limiting blocks and connects to the third limiting block.

[0010] A further improvement is that the base plate is provided with a positioning groove adapted to the workpiece at the position between the third limiting block and the two second limiting blocks.

[0011] A further improvement is that a guide block is provided between the two second limiting blocks, and the positioning rod passes through the guide block.

[0012] A further improvement is that the top of the two second limiting blocks is connected by several reinforcing blocks.

[0013] A further improvement is that it also includes several flipping and clamping mechanisms for clamping workpieces. The flipping and clamping mechanism includes a base, a rotating arm, and a handle. The base is fixedly connected to the base plate through a pad, and the front end of the base is hinged to the lower rear end of the rotating arm. The rear end of the base is hinged to the middle of the handle through a flipping plate. The upper rear end of the rotating arm is hinged to the front end of the handle, and a sliding groove is provided on the rotating arm. A sliding rod is provided in the sliding groove, and a pressure block is provided at the lower end of the sliding rod.

[0014] The beneficial effects of this utility model are as follows: This utility model uses a single tooling set to meet the assembly and welding requirements of multiple types of rear suspension lower brackets, reducing production costs and saving storage space. During assembly, only the adjustment of each limiting mechanism is needed to meet the assembly requirements of different rear suspension lower brackets, eliminating the need for repeated disassembly and reassembly of the tooling and improving assembly efficiency. Attached Figure Description

[0015] Figure 1 This is a perspective view of the welding assembly fixture in the embodiment of this utility model; Figure 2 This is a front view of the welding assembly fixture in an embodiment of this utility model; Figure 3 This is a side view of the welding assembly fixture in an embodiment of this utility model; Figure 4 This is a top view of the welding assembly fixture in an embodiment of this utility model; Figure 5 This is a schematic diagram of the supporting and limiting mechanism in an embodiment of the present utility model; Figure 6 This is a perspective view of the side limiting mechanism in an embodiment of this utility model; Figure 7 This is a front view of the side limiting mechanism in an embodiment of this utility model; Figure 8This is a front view of the end limiting mechanism in an embodiment of the present utility model; Figure 9 This is a top view of the end limiting mechanism in an embodiment of this utility model; Figure 10 This is a schematic diagram of the flipping and pressing mechanism in an embodiment of the present invention; Figure 11 This is a diagram showing the working state of the welding assembly fixture in an embodiment of this utility model.

[0016] Figure label: 1-Base plate; 11-Mounting holes; 12-Positioning groove; 2-Support and limiting mechanism; 21-Limiting plate; 22-Upright plate; 23-Positioning through hole; 24-Limiting rod; 3-Side limiting mechanism; 31-First limiting block; 32-First positioning screw hole; 33-First limiting post; 34-Pressure head; 35-Soft pad; 4-End limiting mechanism; 41-Second limiting block; 42-Second limiting post; 43-Reduced diameter section; 44-Reinforcing block; 45-Third limiting block; 46-Positioning short rod; 47-Positioning long rod; 48-Guide block; 5-Flipping and pressing mechanism; 51-Padded block; 52-Base; 53-Rotating arm; 54-Slide groove; 55-Slide rod; 56-Pressure block; 57-Handle; 58-Flipping plate. Detailed Implementation

[0017] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] 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 technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0020] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0021] See Figures 1-4 as well as Figure 11 As shown, this utility model embodiment provides a welding assembly fixture for improving welding assembly efficiency, including a base plate 1, on which a support limiting mechanism 2 and a side limiting mechanism 3 are provided.

[0022] See Figure 5 As shown, the support limiting mechanism 2 includes a long strip-shaped limiting plate 21. The bottom of the limiting plate 21 is fixedly connected to the base plate 1 through a vertical plate 22. A plurality of positioning through holes 23 are provided through the limiting plate 21. A limiting rod 24 is vertically inserted into at least one positioning through hole 23. The limiting rod 24 is used to be inserted into the mounting hole 11 on the top surface of the workpiece.

[0023] See Figures 6-7 As shown, the side limiting mechanism 3 is located in front of the supporting limiting mechanism 2, including an inverted T-shaped first limiting block 31. The first limiting block 31 has several first positioning screw holes 32, and at least one first positioning screw hole 32 contains a first limiting post 33. The end of the first limiting post 33 is provided with a pressure head 34 for pressing against the side of the workpiece. Specifically, at least one pressure head 34 is provided with a soft pad 35. The base plate 1, located in front of the supporting limiting mechanism 2, has several mounting holes 11 arranged laterally, and the first limiting block 31 is installed in the corresponding mounting hole 11.

[0024] See Figures 8-9As shown, the base plate 1 is also provided with an end limiting mechanism 4, which is located to the right of the support limiting mechanism 2 and is used to position the end of the workpiece. Specifically, the end limiting mechanism 4 includes two second limiting blocks 41 arranged laterally opposite each other. At least one second limiting post 42 is provided on the second limiting block 41, and the lower end of the second limiting post 42 is provided with a reduced diameter portion 43 for penetrating the workpiece and inserting it into the second limiting block 41. The end limiting mechanism 4 also includes a positioning long rod 47 and a positioning short rod 46. An inverted T-shaped third limiting block 45 is provided between the two second limiting blocks 41 and the support limiting mechanism 2. The positioning long rod 47 passes through the two second limiting blocks 41 and is connected to the third limiting block 45. The positioning short rod 46 is located above the two second limiting blocks 41 and is connected to the third limiting block 45. The base plate 1 is provided with a positioning groove 12 adapted to the workpiece at the position between the third limiting block 45 and the two second limiting blocks 41. A guide block 48 is provided between the two second limiting blocks 41, and a positioning rod 47 passes through the guide block 48. Several reinforcing blocks 44 are connected to the top of the two second limiting blocks 41.

[0025] See Figure 10 As shown, the welding assembly fixture also includes several flipping and clamping mechanisms 5 for clamping the workpiece. The flipping and clamping mechanism 5 includes a base 52, a rotating arm 53 and a handle 57. The base 52 is fixedly connected to the base plate 1 through a pad 51, and the front end of the base 52 is hinged to the lower rear end of the rotating arm 53. The rear end of the base 52 is hinged to the middle of the handle 57 through a flipping plate 58. The upper rear end of the rotating arm 53 is hinged to the front end of the handle 57, and a sliding groove 54 is provided on the rotating arm 53. A sliding rod 55 is provided in the sliding groove 54, and a pressure block 56 is provided at the lower end of the sliding rod 55.

[0026] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification 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.

[0027] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A welding assembly fixture for improving welding assembly efficiency, comprising a base plate (1), characterized in that: The base plate (1) is provided with a support limiting mechanism (2) and a side limiting mechanism (3); The supporting limiting mechanism (2) includes a long strip-shaped limiting plate (21). The bottom of the limiting plate (21) is fixedly connected to the base plate (1) through a vertical plate (22). A number of positioning through holes (23) are provided through the limiting plate (21). A limiting rod (24) is vertically inserted into at least one positioning through hole (23). The limiting rod (24) is used to be inserted into the mounting hole (11) on the top surface of the workpiece. The side limiting mechanism (3) is located in front of the supporting limiting mechanism (2) and includes an inverted T-shaped first limiting block (31). The first limiting block (31) has several first positioning screw holes (32). At least one first positioning screw hole (32) is provided with a first limiting post (33). The end of the first limiting post (33) is provided with a pressure head (34) for pressing against the side of the workpiece.

2. The welding assembly fixture for improving welding assembly efficiency according to claim 1, characterized in that: At least one pressure head (34) is provided with a cushion (35).

3. The welding assembly fixture for improving welding assembly efficiency according to claim 1, characterized in that: The base plate (1) is located in front of the support limiting mechanism (2) and has several mounting holes (11) arranged in the horizontal direction. The first limiting block (31) is installed in the corresponding mounting hole (11).

4. The welding assembly fixture for improving welding assembly efficiency according to claim 1, characterized in that: The base plate (1) is also provided with an end limiting mechanism (4), which is located on the right side of the support limiting mechanism (2) and is used to position the end of the workpiece.

5. The welding assembly fixture for improving welding assembly efficiency according to claim 4, characterized in that: The end limiting mechanism (4) includes two second limiting blocks (41) arranged laterally opposite each other. At least one second limiting post (42) is provided on the second limiting block (41). The lower end of the second limiting post (42) is provided with a reduced diameter part (43) for penetrating the workpiece and inserting into the second limiting block (41).

6. The welding assembly fixture for improving welding assembly efficiency according to claim 5, characterized in that: It also includes a positioning long rod (47) and a positioning short rod (46), and an inverted T-shaped third limiting block (45) is provided between the two second limiting blocks (41) and the support limiting mechanism (2); the positioning long rod (47) passes through the two second limiting blocks (41) and is connected to the third limiting block (45); the positioning short rod (46) is located above the two second limiting blocks (41) and is connected to the third limiting block (45).

7. The welding assembly fixture for improving welding assembly efficiency according to claim 6, characterized in that: The base plate (1) is provided with a positioning groove (12) adapted to the workpiece at the position between the third limiting block (45) and the two second limiting blocks (41).

8. The welding assembly fixture for improving welding assembly efficiency according to claim 6, characterized in that: A guide block (48) is provided between the two second limiting blocks (41), and the positioning rod (47) passes through the guide block (48).

9. The welding assembly fixture for improving welding assembly efficiency according to claim 4, characterized in that: Several reinforcing blocks (44) are connected to the top of the two second limiting blocks (41).

10. The welding assembly fixture for improving welding assembly efficiency according to claim 1, characterized in that: It also includes several flip-pressing mechanisms (5) for pressing workpieces. The flip-pressing mechanism (5) includes a base (52), a rotating arm (53) and a handle (57). The base (52) is fixedly connected to the base plate (1) through a pad (51), and the front end of the base (52) is hinged to the lower rear end of the rotating arm (53). The rear end of the base (52) is hinged to the middle of the handle (57) through a flip plate (58). The upper rear end of the rotating arm (53) is hinged to the front end of the handle (57), and a sliding groove (54) is provided on the rotating arm (53). A sliding rod (55) is provided in the sliding groove (54), and a pressure block (56) is provided at the lower end of the sliding rod (55).