Fixture for automobile maintenance and welding

By designing a welding fixture suitable for automotive repair, and using a combination of a moving rail and a steering assembly, the problem of cumbersome operation of traditional fixtures is solved, enabling convenient fixing and efficient welding of various workpieces.

CN223833763UActive Publication Date: 2026-01-27ZHEJIANG GUANGTONG AUTOMOBILE CO LTD TRADE UNION COMMITTEE
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Patent Information

Application Number
CN202423262555.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-27
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional automotive repair welding fixtures require different types to be selected based on the shape of the workpiece, which is cumbersome and costly.

Method used

An automotive repair welding fixture was designed, which includes a load-bearing mechanism and a clamping mechanism. It adopts a combination of a moving rail plate, a steering assembly and an extrusion plate, which can accommodate the fixing of workpieces of different sizes and shapes, and realize multi-angle welding of workpieces through a turntable.

Benefits of technology

It simplifies the workpiece fixing operation, improves applicability and efficiency, reduces labor intensity, and is suitable for various types of workpieces, especially irregular and round workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding fixtures, and particularly discloses an automobile maintenance welding fixture which comprises a bearing mechanism and a clamping mechanism, the bearing mechanism comprises a base and a movable rail plate installed on the base, a movable groove is formed in one surface of the movable rail plate, and a movable protruding block is installed in the movable groove. The clamping mechanism comprises a second extrusion plate fixedly installed on the vertical plate and an open groove formed in the vertical plate, the open groove penetrates through the vertical plate, a sliding protruding block is slidably connected into the open groove, and one end of the sliding protruding block is fixedly connected with a first extrusion plate; according to the device, the movable rail plate with the two movable seats is arranged, some special-shaped workpieces with radians can be clamped and fixed, meanwhile, the stand columns, provided with the arc-shaped positioning plates, on the movable seats can contract or expand along with movement of the movable seats, and therefore circular workpieces of different sizes can be clamped and fixed; the device can be suitable for various types of workpieces, operation is easy and convenient, and practicability is high.
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Description

Technical Field

[0001] This utility model belongs to the field of welding fixture technology, specifically relating to a welding fixture for automotive repair. Background Technology

[0002] Welding fixtures play a vital role in automotive repair. They precisely fix automotive parts for assembly and welding, ensuring higher precision in the produced parts. These fixtures are crucial for ensuring operational accuracy, especially in workshop production. Whether it's the production of small parts or the assembly of large equipment, welding fixtures are essential. Good welding fixtures can improve workflows, increase efficiency and quality, reduce physical labor intensity and workload, thereby greatly improving the company's work efficiency.

[0003] Traditional automotive repair welding fixtures require different types of fixtures to be selected to fix the workpiece according to its shape. This clamping and fixing method is relatively cumbersome and costly.

[0004] To address the problems raised in the background art, those skilled in the art have proposed a fixture for automotive repair welding.

[0005] The information disclosed above in this background section is only intended to enhance the understanding of the background section of this utility model, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a welding fixture for automotive repair to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A welding fixture for automotive repair includes:

[0009] The support mechanism includes a base and a movable rail plate mounted on the base. A movable groove is formed on one surface of the movable rail plate. A movable protrusion is installed in the movable groove. There are two movable protrusions, and both movable protrusions are slidably engaged with the movable groove. A steering component is provided on the movable protrusion, and a vertical plate is provided on the steering component.

[0010] The clamping mechanism includes a second extrusion plate fixedly mounted on a vertical plate and a slot formed on the vertical plate. The slot penetrates the vertical plate, and a sliding protrusion is slidably connected within the slot. One end of the sliding protrusion is fixedly connected to a first extrusion plate.

[0011] Preferably, a threaded hole is provided on one surface of the movable protrusion, a threaded rod is provided in the movable groove, the threaded rod is threadedly engaged with the threaded hole, a reciprocating motor is installed at one end of the movable rail plate, and the output end of the reciprocating motor is connected to the threaded rod.

[0012] Preferably, the steering assembly includes a movable seat disposed on the movable protrusion and a rotating seat disposed on the movable seat, and both ends of the upright plate are connected to steering shafts, the steering shafts being inserted into the rotating seat.

[0013] Preferably, the upright plate is rotatably engaged with the rotating seat via a steering shaft, and a locking thread groove is provided on the circumferential side of one end of the steering shaft, with a locking nut screwed into the locking thread groove.

[0014] Preferably, a column is fixedly connected to one side of the movable seat, and an arc-shaped positioning plate is fixedly connected to the end of the column away from the movable seat.

[0015] Preferably, a cylinder is fixedly connected to one end of the upright plate, and the output end of the cylinder passes through the slot and is connected to the sliding protrusion.

[0016] Preferably, a turntable is provided on the upper surface of the base, a rotating shaft is provided on the turntable, and the movable rail plate is fixedly installed on the rotating shaft, and the movable rail plate is movably engaged with the turntable via the rotating shaft.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] (1) This utility model is equipped with a moving rail plate with two moving seats, and a threaded rod with two opposite threads is installed in the moving rail plate. When the reciprocating motor is started, the two moving seats can be moved inward or outward at the same time. With the first extrusion plate and the second extrusion plate, door panels of different sizes can be extruded and fixed. The upright plate can form a certain angle with the moving rail plate through the rotating seat, so as to clamp and fix some irregularly shaped workpieces with arc. At the same time, the upright with the arc positioning plate on the moving seat can contract or expand as the moving seat moves, so as to clamp and fix round workpieces of different sizes. This device is applicable to a variety of workpieces, is simple and convenient to operate, and has high practicality.

[0019] (2) By setting a movable rail plate with a rotating shaft and a turntable, the present invention allows the movable rail plate to be rotated directly after the workpiece is fixed, so that the worker can weld different positions of the workpiece without moving.

[0020] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0021] Figure 1 This is a front-view three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is an enlarged schematic diagram of a partial structure at point A of this utility model;

[0023] Figure 3 This is a front view of the present invention;

[0024] Figure 4 This is a top view of the present invention.

[0025] In the diagram: 1. Base; 2. Turntable; 3. Rotating shaft; 4. Moving rail plate; 5. Reciprocating motor; 6. Moving groove; 7. Threaded rod; 8. Moving protrusion; 9. Threaded hole; 10. Moving seat; 11. Rotating seat; 12. Steering shaft; 13. Locking nut; 14. Column; 15. Arc-shaped positioning plate; 16. Vertical plate; 17. Slot; 18. Sliding protrusion; 19. First extrusion plate; 20. Cylinder; 21. Second extrusion plate. Detailed Implementation

[0026] 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.

[0027] Example 1:

[0028] Please see Figures 1-4 As shown, a welding fixture for automotive repair includes:

[0029] The bearing mechanism includes a base 1 and a movable rail plate 4 installed on the base 1. A movable groove 6 is opened on one surface of the movable rail plate 4. A movable protrusion 8 is installed in the movable groove 6. There are two movable protrusions 8. Both movable protrusions 8 are slidably engaged with the movable groove 6. A steering component is provided on the movable protrusion 8. A vertical plate 16 is provided on the steering component.

[0030] The clamping mechanism includes a second pressing plate 21 fixedly installed on the upright plate 16 and a slot 17 opened on the upright plate 16. The slot 17 penetrates the upright plate 16, and a sliding protrusion 18 is slidably connected in the slot 17. One end of the sliding protrusion 18 is fixedly connected to the first pressing plate 19.

[0031] Specifically, a threaded hole 9 is provided on one surface of the movable protrusion 8, a threaded rod 7 is provided in the movable groove 6, the threaded rod 7 is threadedly engaged with the threaded hole 9, and a reciprocating motor 5 is installed at one end of the movable rail plate 4, the output end of the reciprocating motor 5 is connected to the threaded rod 7.

[0032] Specifically, the steering assembly includes a movable seat 10 mounted on the movable protrusion 8 and a rotating seat 11 mounted on the movable seat 10. Both ends of the upright plate 16 are connected to steering shafts 12, and the steering shafts 12 are inserted into the rotating seat 11.

[0033] Specifically, the upright plate 16 is rotatably engaged with the rotating seat 11 via the steering shaft 12. A locking thread groove is provided on the circumferential side of one end of the steering shaft 12, and a locking nut 13 is screwed into the locking thread groove.

[0034] Specifically, a column 14 is fixedly connected to one side of the movable base 10, and an arc-shaped positioning plate 15 is fixedly connected to the end of the column 14 away from the movable base 10.

[0035] As can be seen from the above, this device, by setting a moving rail plate 4 with two moving seats 10, and installing a threaded rod 7 with two opposite threads inside the moving rail plate 4, can drive the two moving seats 10 to move inward or outward simultaneously when the reciprocating motor 5 is started. With the cooperation of the first pressing plate 19 and the second pressing plate 21, door panels of different sizes can be pressed and fixed. The upright plate 16 can form a certain angle with the moving rail plate 4 through the rotating seat 11, so as to clamp and fix some curved irregular workpieces. At the same time, the column 14 with the arc-shaped positioning plate 15 on the moving seat 10 can contract or expand as the moving seat 10 moves, so as to clamp and fix round workpieces of different sizes. This device is applicable to a variety of workpieces, is simple and convenient to operate, and has high practicality.

[0036] Example 2:

[0037] Please see Figures 1-4 As shown, a cylinder 20 is fixedly connected to one end of the upright plate 16, and the output end of the cylinder 20 passes through the slot 17 and is connected to the sliding protrusion 18.

[0038] Specifically, a turntable 2 is provided on the upper surface of the base 1, and a rotating shaft 3 is provided on the turntable 2. The movable rail plate 4 is fixedly installed on the rotating shaft 3, and the movable rail plate 4 is movably engaged with the turntable 2 through the rotating shaft 3.

[0039] As can be seen from the above, by setting a movable rail plate 4 with a rotating shaft 3 and a turntable 2, this device can directly rotate the movable rail plate 4 after the workpiece is fixed, so that the worker can weld different positions of the workpiece without moving.

[0040] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0041] In the description of this utility model, 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 one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0042] 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 or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] 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.

[0044] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. 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.

[0045] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for automotive repair, characterized in that, include: The support mechanism includes a base (1) and a movable rail plate (4) mounted on the base (1). A movable groove (6) is provided on one surface of the movable rail plate (4). A movable protrusion (8) is installed in the movable groove (6). There are two movable protrusions (8). Both movable protrusions (8) are slidably engaged with the movable groove (6). A steering component is provided on the movable protrusion (8). A vertical plate (16) is provided on the steering component. The clamping mechanism includes a second pressing plate (21) fixedly installed on the upright plate (16) and a slot (17) opened on the upright plate (16). The slot (17) penetrates the upright plate (16), and a sliding protrusion (18) is slidably connected in the slot (17). One end of the sliding protrusion (18) is fixedly connected to the first pressing plate (19).

2. The welding fixture for automotive repair according to claim 1, characterized in that: The movable protrusion (8) has a threaded hole (9) on one surface. The movable groove (6) is provided with a threaded rod (7). The threaded rod (7) is threadedly engaged with the threaded hole (9). A reciprocating motor (5) is installed at one end of the movable rail plate (4). The output end of the reciprocating motor (5) is connected to the threaded rod (7).

3. The welding fixture for automotive repair according to claim 1, characterized in that: The steering assembly includes a movable seat (10) disposed on the movable protrusion (8) and a rotating seat (11) disposed on the movable seat (10). Both ends of the upright plate (16) are connected to steering shafts (12), and the steering shafts (12) are inserted into the rotating seat (11).

4. The welding fixture for automotive repair according to claim 3, characterized in that: The upright plate (16) is rotatably engaged with the rotating seat (11) via a steering shaft (12). A locking thread groove is provided on the circumferential side of one end of the steering shaft (12), and a locking nut (13) is screwed into the locking thread groove.

5. A welding fixture for automotive repair according to claim 4, characterized in that: A column (14) is fixedly connected to one side of the movable seat (10), and an arc-shaped positioning plate (15) is fixedly connected to the end of the column (14) away from the movable seat (10).

6. The welding fixture for automotive repair according to claim 1, characterized in that: A cylinder (20) is fixedly connected to one end of the upright plate (16), and the output end of the cylinder (20) passes through the slot (17) and is connected to the sliding protrusion (18).

7. A welding fixture for automotive repair according to claim 1, characterized in that: The base (1) has a turntable (2) on its upper surface, and a rotating shaft (3) is provided on the turntable (2). The movable rail plate (4) is fixedly installed on the rotating shaft (3), and the movable rail plate (4) is movably connected to the turntable (2) through the rotating shaft (3).