A front beam welding jig
By designing a front beam welding fixture that includes a support frame and multiple components, the problems of complex structure and unstable clamping in existing devices are solved, enabling fast and stable welding clamping of automotive front beams and improving production efficiency.
Patent Information
- Application Number
- CN202311368912.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-23
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2043-10-23
AI Technical Summary
The existing automotive front beam welding clamping device has a complex structure, resulting in long clamping time and instability, which affects production efficiency.
A front beam welding fixture was designed, including a support frame, an inclined mounting assembly, multiple sets of support assemblies, a positioning assembly, and a clamping assembly, which achieves a fast and stable clamping process through cylinder drive.
It enables rapid clamping of automotive front beams, simplifies pre-welding preparation steps, and improves welding efficiency and clamping stability.
Smart Images

Figure CN117139966B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of welding auxiliary device technology, and in particular to a front beam welding fixture. Background Technology
[0002] Automotive parts are the various units that make up a car and the products that serve the car. There are many types of automotive parts, and as people's living standards improve, people's consumption of cars is also increasing, and the market for automotive parts is growing larger and larger. In recent years, automotive parts manufacturers have also been developing rapidly. Automotive body parts include: car body, doors, car glass, car mirrors, license plate frames, seats and accessories, car bearings, car front beams, armrests, handles, door handles, grilles, fenders, cab and accessories, airbags, car seat belts, window regulators, car antennas, windshield wipers, car mufflers, car horns, car sealing strips and bumpers, trunks, roof racks, extruded parts, stamped parts, exhaust pipes, and other body accessories.
[0003] The front beam of an automobile is an important load-bearing component. During the production and processing of the front beam, it needs to be welded. Before welding, the front beam needs to be clamped. The existing clamping device has a complex structure, which leads to a long clamping time and thus low production efficiency of the front beam. In addition, the existing clamping device is unstable.
[0004] Application number 201210299688.9, patent title "A front crossbeam lower plate fixture for automobile manufacturing" includes a fixture base, on which a positioning platform is provided. On one side of the positioning platform, a left positioning mechanism, a left oblique positioning mechanism, and a left center positioning mechanism are provided, and on the other side of the positioning platform, a right center positioning mechanism, a right oblique positioning mechanism, and a right positioning mechanism are provided. All six positioning mechanisms include clamping elements. This fixture cannot clamp welded parts on the front beam of an automobile, which requires additional clamping steps and seriously affects the production efficiency of the front beam of the automobile.
[0005] Therefore, a front beam welding fixture needs to be designed. Summary of the Invention
[0006] The purpose of this invention is to solve the above-mentioned problems by designing a front beam welding fixture.
[0007] To achieve the above objectives, the technical solution of the present invention is as follows: a front beam welding fixture, comprising a support frame, an inclined mounting assembly on the support frame, a plurality of central support assemblies on the inclined mounting assembly, a bottom support assembly below the central support assemblies on the inclined mounting assembly, a plurality of auxiliary positioning assemblies above the central support assemblies on the inclined mounting assembly, end-to-weld-part clamping assemblies on both sides of the inclined mounting assembly, two bottom-to-weld-part limit control assemblies on the bottom side of the inclined mounting assembly, a frame clamping assembly on the bottom side of the inclined mounting assembly located on one side of the bottom-to-weld-part limit control assemblies, two top-to-weld-part limit control assemblies on the top side of the inclined mounting assembly, a front beam auxiliary clamping assembly on the top side of the inclined mounting assembly located on one side of the top-to-weld-part limit control assemblies, and a front beam central clamping assembly between the two front beam auxiliary clamping assemblies on the top side of the inclined mounting assembly.
[0008] As a further description of this technical solution, the inclined mounting assembly includes a base plate disposed on a support frame, a mounting side plate disposed on the base plate, an mounting ramp disposed on the mounting side plate, an inclined mounting plate disposed on the mounting ramp, a plurality of central support assemblies disposed on the inclined mounting plate, a bottom support assembly disposed on the inclined mounting plate below the central support assemblies, and a plurality of auxiliary positioning assemblies disposed on the inclined mounting plate above the central support assemblies.
[0009] As a further description of this technical solution, the central support assembly includes a central support seat disposed on an inclined mounting plate, and a first shock-absorbing pad is disposed on the central support seat.
[0010] As a further description of this technical solution, the bottom support assembly includes a bottom support assembly frame disposed on the side of the inclined mounting plate below the central support seat, and the bottom support assembly frame is provided with connecting shock-absorbing pads.
[0011] As a further description of this technical solution, the auxiliary positioning component includes an auxiliary frame disposed on one side of the inclined mounting plate above the central support seat, and an auxiliary positioning cylinder is disposed on the auxiliary frame.
[0012] As a further description of this technical solution, the end part clamping assembly includes part clamping cylinders disposed on both sides of the inclined mounting assembly. The output end of the part clamping cylinder is provided with a first connecting assembly, the output end of the first connecting assembly is provided with a part clamping frame, and the output end of the first connecting assembly is provided with a sensor. The front beam middle clamping assembly includes a front beam middle clamping cylinder disposed on the top side of the inclined mounting assembly between two front beam auxiliary clamping assemblies. The output end of the front beam middle clamping cylinder is provided with a second connecting assembly, and the output end of the second connecting assembly is provided with a front beam middle clamping frame.
[0013] As a further description of this technical solution, the bottom limiting control assembly for the part to be welded includes a bottom limiting control cylinder for the part to be welded disposed on the bottom side of the inclined mounting assembly. The output end of the bottom limiting control cylinder for the part to be welded is provided with a third connecting assembly. The third connecting assembly is provided with a bottom limiting fixture plate for the part to be welded. The frame clamping assembly for the part to be welded includes a frame clamping cylinder for the part to be welded disposed on the bottom side of the inclined mounting assembly, located on one side of the bottom limiting control assembly for the part to be welded. The output end of the frame clamping cylinder for the part to be welded is provided with a fourth connecting assembly. The fourth connecting assembly is provided with an L-shaped connecting plate. A frame clamping rod for the part to be welded is provided on the upper part of the L-shaped connecting plate.
[0014] As a further description of this technical solution, the top limiting control assembly for the part to be welded includes a top limiting control cylinder for the part to be welded disposed on the top side of the inclined mounting assembly. The output end of the top limiting control cylinder for the part to be welded is provided with a fifth connecting assembly, and the output end of the fifth connecting assembly is provided with a top limiting fixture plate for the part to be welded.
[0015] As a further description of this technical solution, the front beam auxiliary clamping assembly includes a front beam auxiliary clamping cylinder disposed on the top side of the inclined mounting assembly, located on the side of the top limiting control assembly of the part to be welded. The output end of the front beam auxiliary clamping cylinder is provided with a sixth connecting assembly, and the sixth connecting assembly is provided with a front beam auxiliary clamping component.
[0016] A method for using a front beam welding fixture includes the following steps:
[0017] Step 1: Place the front beam of the car on the middle support assembly, support the bottom side of the front beam of the car through the bottom support assembly, and then extend the auxiliary positioning cylinder to fix and clamp the top side of the front beam of the car.
[0018] Step 2: The front beam auxiliary clamping cylinder drives the front beam auxiliary clamping component to clamp the front beam of the car, and the front beam middle clamping cylinder drives the front beam middle clamping frame to clamp the front beam of the car.
[0019] Step 3: Place the top limiting fixture plate of the part to be welded on the upper surface of the front beam of the car using the top limiting control cylinder of the part to be welded, and place the bottom limiting fixture plate of the part to be welded on the upper surface of the front beam of the car using the bottom limiting control cylinder of the part to be welded.
[0020] Step 4: Place the part to be welded and the frame to be welded on the front beam of the car between the bottom limiting fixture plate and the top limiting fixture plate of the part to be welded.
[0021] Step 5: The clamping cylinder of the part to be welded drives the clamping frame of the part to be welded to assist in clamping the part to be welded, and the clamping cylinder of the frame to be welded drives the clamping rod of the frame to be welded to clamp the frame to be welded.
[0022] Step Six: Weld the frame and parts to be welded to the front beam of the car.
[0023] Its beneficial effects are that the front beam welding fixture of this technical solution has a clever structural design, strong practicality, and stable and convenient clamping. Using this front beam welding fixture, the front beam of the car can be quickly clamped, avoiding the cumbersome clamping steps before the front beam welding operation, effectively shortening the clamping time before the front beam welding, and improving the welding efficiency of the front beam. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;
[0025] Figure 2 This is a schematic diagram of the overall structure from another perspective of the present invention;
[0026] Figure 3 This is a schematic diagram of the installation state of the front beam of the present invention.
[0027] In the diagram, 1. Support frame; 2. Inclined mounting assembly; 3. Middle support assembly; 4. Bottom support assembly; 5. Auxiliary positioning assembly; 6. End part clamping assembly; 7. Bottom limit control assembly for part to be welded; 8. Mesh clamping assembly for frame to be welded; 9. Top limit control assembly for part to be welded; 10. Front beam auxiliary clamping assembly; 11. Front beam middle clamping assembly; 12. Base plate; 13. Mounting side plate; 14. Inclined mounting plate; 15. Middle support seat; 16. First shock absorber; 17. Bottom support assembly frame; 18. Connecting shock absorber; 19. Auxiliary frame; 20. Auxiliary positioning cylinder; 21. Part clamping cylinder for part to be welded. 22. First connecting assembly; 23. Pressing frame for the part to be welded; 24. Front beam middle pressing cylinder; 25. Second connecting assembly; 26. Front beam middle pressing frame; 27. Bottom limiting control cylinder for the part to be welded; 28. Third connecting assembly; 29. Bottom limiting fixture plate for the part to be welded; 30. Pressing cylinder for the frame to be welded; 31. Fourth connecting assembly; 32. L-shaped connecting plate; 33. Pressing rod for the frame to be welded; 34. Top limiting control cylinder for the part to be welded; 35. Fifth connecting assembly; 36. Top limiting fixture plate for the part to be welded; 37. Front beam auxiliary pressing cylinder; 38. Sixth connecting assembly; 39. Front beam auxiliary pressing component. Detailed Implementation
[0028] First, let me explain the design intention of this invention. The front beam of an automobile is an important load-bearing component in an automobile. During the production and processing of the front beam, it needs to be welded. Before welding, the front beam needs to be clamped. The existing clamping device has a complex structure, which leads to a long clamping time for the front beam, resulting in low production efficiency of the front beam. Moreover, the existing clamping device is unstable. Therefore, this invention designs a front beam welding fixture.
[0029] The present invention will now be described in detail with reference to the accompanying drawings, such as... Figures 1-3 As shown, a front beam welding fixture includes a support frame 1, on which an inclined mounting assembly 2 is provided. The inclined mounting assembly 2 will be described in detail below. The inclined mounting assembly 2 includes a base plate 12 provided on the support frame 1, a mounting side plate 13 provided on the base plate 12, an mounting inclined surface provided on the mounting side plate 13, an inclined mounting plate 14 provided on the mounting inclined surface, a plurality of central support assemblies 3 provided on the inclined mounting plate 14, a bottom support assembly 4 provided on the inclined mounting plate 14 below the central support assemblies 3, and a plurality of auxiliary positioning assemblies 5 provided on the inclined mounting plate 14 above the central support assemblies 3.
[0030] To facilitate the support of the main body of the front beam of the vehicle, several sets of central support components 3 are provided on the inclined mounting assembly 2. The central support components 3 will be described in detail below. The central support components 3 include a central support seat 15 provided on the inclined mounting plate 14, and a first shock-absorbing pad 16 is provided on the central support seat 15.
[0031] To facilitate bottom support of the vehicle's front beam and prevent it from sliding off the inclined mounting assembly 2, a bottom support assembly 4 is provided on the inclined mounting assembly 2 below the central support assembly 3. The bottom support assembly 4 will be described in detail below. The bottom support assembly 4 includes a bottom support assembly frame 17 disposed on the inclined mounting plate 14 on one side below the central support seat 15, and a connecting shock-absorbing pad 18 is provided on the bottom support assembly frame 17.
[0032] To facilitate the fixing of the top side of the front beam of the car, a number of auxiliary positioning components 5 are provided on the inclined mounting assembly 2 above the middle support assembly 3. The auxiliary positioning components 5 will be described in detail below. The auxiliary positioning components 5 include an auxiliary frame 19 provided on the inclined mounting plate 14 above the middle support seat 15, and an auxiliary positioning cylinder 20 is provided on the auxiliary frame 19.
[0033] To facilitate the clamping of the parts to be welded, end-to-weld-part clamping assemblies 6 are provided on both sides of the inclined mounting assembly 2. The end-to-weld-part clamping assembly 6 will be described in detail below. The end-to-weld-part clamping assembly 6 includes a weld-to-weld-part clamping cylinder 21 provided on both sides of the inclined mounting assembly 2. The output end of the weld-to-weld-part clamping cylinder 21 is provided with a first connecting assembly 22. The output end of the first connecting assembly 22 is provided with a weld-to-weld-part clamping frame 23. The output end of the first connecting assembly 22 is provided with a sensor.
[0034] To facilitate the clamping of the middle part of the front beam of the vehicle, a front beam middle clamping component 11 is provided on the top side of the inclined mounting component 2 between the two front beam auxiliary clamping components 10. The front beam middle clamping component 11 will be described in detail below. The front beam middle clamping component 11 includes a front beam middle clamping cylinder 24 disposed on the top side of the inclined mounting component 2 between the two front beam auxiliary clamping components 10. The output end of the front beam middle clamping cylinder 24 is provided with a second connecting component 25, and the output end of the second connecting component 25 is provided with a front beam middle clamping frame 26.
[0035] To facilitate bottom limiting control of the parts to be welded, two bottom limiting control components 7 for the parts to be welded are provided on the bottom side of the inclined mounting assembly 2. The bottom limiting control components 7 for the parts to be welded will be described in detail below. The bottom limiting control components 7 for the parts to be welded include a bottom limiting control cylinder 27 for the parts to be welded provided on the bottom side of the inclined mounting assembly 2. A third connecting component 28 is provided at the output end of the bottom limiting control cylinder 27 for the parts to be welded, and a bottom limiting fixture plate 29 for the parts to be welded is provided on the third connecting component 28.
[0036] To facilitate the clamping of the frame to be welded, a frame clamping component 8 is provided on the bottom side of the inclined mounting component 2, located on the side of the bottom limiting control component 7 of the part to be welded. The frame clamping component 8 will be described in detail below. The frame clamping component 8 includes a frame clamping cylinder 30 located on the bottom side of the inclined mounting component 2, located on the side of the bottom limiting control component 7 of the part to be welded. A fourth connecting component 31 is provided at the output end of the frame clamping cylinder 30. An L-shaped connecting plate 32 is provided on the fourth connecting component 31. A frame clamping rod 33 is provided on the L-shaped connecting plate 32.
[0037] To facilitate top-positioning control of the parts to be welded, two top-positioning control components 9 are provided on the top edge of the inclined mounting assembly 2. These components are described in detail below. Each top-positioning control component 9 includes a top-positioning control cylinder 34 disposed on the top edge of the inclined mounting assembly 2. A fifth connecting component 35 is provided at the output end of the top-positioning control cylinder 34, and a top-positioning fixture plate 36 is provided at the output end of the fifth connecting component 35.
[0038] To facilitate auxiliary clamping of the front beam, a front beam auxiliary clamping assembly 10 is provided on the top side of the inclined mounting assembly 2, located on the side of the top limit control assembly 9 of the part to be welded. The front beam auxiliary clamping assembly 10 will be described in detail below. The front beam auxiliary clamping assembly 10 includes a front beam auxiliary clamping cylinder 37 located on the top side of the inclined mounting assembly 2, located on the side of the top limit control assembly 9 of the part to be welded. A sixth connecting assembly 38 is provided at the output end of the front beam auxiliary clamping cylinder 37, and a front beam auxiliary clamping component 39 is provided on the sixth connecting assembly 38.
[0039] The specific structure of the present invention has been described in detail above. The working principle of the present invention will be explained below: The front beam of the automobile is placed in the middle support assembly 3, and the bottom support assembly 4 supports the bottom side of the front beam. Then, the auxiliary positioning cylinder 20 extends to clamp the top side of the front beam. Next, the front beam auxiliary clamping cylinder 37 drives the front beam auxiliary clamping component 39 to clamp the front beam. The front beam middle clamping cylinder 24 drives the front beam middle clamping frame 26 to clamp the front beam. Finally, the top limiting control cylinder 34 of the part to be welded places the top limiting fixture plate 36 of the part to be welded onto the front beam. On the upper surface, the bottom limiting fixture plate 29 of the part to be welded is placed on the upper surface of the front beam of the car by the bottom limiting control cylinder 27 of the part to be welded; then the part to be welded and the frame to be welded are placed on the front beam of the car between the bottom limiting fixture plate 29 and the top limiting fixture plate 36 of the part to be welded; the pressing cylinder 21 of the part to be welded drives the pressing frame 23 of the part to be welded to assist in pressing the part to be welded, and the pressing cylinder 30 of the frame to be welded drives the pressing rod 33 of the frame to be welded to press the frame to be welded; finally, the frame to be welded and the part to be welded are welded to the front beam of the car respectively.
[0040] The front beam welding fixture of this technical solution has an ingenious structural design, strong practicality, and stable and convenient clamping. Using this front beam welding fixture, the front beam of the automobile can be quickly clamped, avoiding the cumbersome clamping steps before the welding operation of the front beam of the automobile, effectively shortening the clamping time before welding the front beam of the automobile, and improving the welding efficiency of the front beam of the automobile.
[0041] The above technical solutions only embody the preferred technical solutions of the present invention. Any modifications that may be made by those skilled in the art to certain parts thereof embody the principles of the present invention and fall within the protection scope of the present invention.
Claims
1. A front beam welding fixture, characterized by, The utility model provides a kind of welding frame, including support frame (1), the support frame (1) is provided with inclined installation component (2), the inclined installation component (2) is provided with several groups of middle support component (3), the bottom support component (4) is provided below the middle support component (3) on the inclined installation component (2), the inclined installation component (2) is provided with several auxiliary positioning components (5) above the middle support component (3), end portion to be welded part pressing assembly (6) is provided on both sides of the inclined installation component (2), two to be welded part bottom limiting control component (7) is provided on the bottom side of the inclined installation component (2), to be welded frame body pressing assembly (8) is provided on the bottom side of the inclined installation component (2) one side of to be welded part bottom limiting control component (7), two to be welded part top limiting control component (9) is provided on the top side of the inclined installation component (2), front beam auxiliary pressing assembly (10) is provided on the top side of the inclined installation component (2) one side of to be welded part top limiting control component (9), front beam middle pressing assembly (11) is provided between two front beam auxiliary pressing assembly (10) on the top side of the inclined installation component (2); The inclined installation component (2) includes bottom plate (12) provided on support frame (1), the bottom plate (12) is provided with installation side plate (13), the installation side plate (13) is provided with installation inclined surface, the installation inclined surface is provided with inclined installation plate (14), the inclined installation plate (14) is provided with several groups of middle support component (3), the bottom support component (4) is provided below the middle support component (3) on the inclined installation plate (14), several auxiliary positioning components (5) are provided above the middle support component (3) on the inclined installation plate (14); The middle support component (3) includes middle support seat (15) provided on inclined installation plate (14), the middle support seat (15) is provided with first shock pad (16); The bottom support component (4) includes bottom support assembly frame (17) provided on inclined installation plate (14) below middle support seat (15) one side, the bottom support assembly frame (17) is provided with connecting shock pad (18); The auxiliary positioning component (5) includes auxiliary frame (19) provided on inclined installation plate (14) above middle support seat (15) one side, the auxiliary frame (19) is provided with auxiliary positioning cylinder (20); The end part to be welded part pressing assembly (6) includes the part to be welded part pressing cylinder (21) arranged on both sides of the inclined installation assembly (2), the output end of the part to be welded part pressing cylinder (21) is provided with the first connecting assembly (22), the output end of the first connecting assembly (22) is provided with the part to be welded part pressing frame (23), the output end of the first connecting assembly (22) is provided with a sensor, the front beam middle part pressing assembly (11) includes the front beam middle part pressing cylinder (24) arranged on the top side of the inclined installation assembly (2) between the two front beam auxiliary pressing assemblies (10), the output end of the front beam middle part pressing cylinder (24) is provided with the second connecting assembly (25), and the output end of the second connecting assembly (25) is provided with the front beam middle part pressing frame body (26); The part to be welded part bottom limiting control assembly (7) includes the part to be welded part bottom limiting control cylinder (27) arranged on the bottom side of the inclined installation assembly (2), the output end of the part to be welded part bottom limiting control cylinder (27) is provided with the third connecting assembly (28), and the third connecting assembly (28) is provided with the part to be welded part bottom limiting jig plate (29); the part to be welded frame pressing assembly (8) includes the part to be welded frame pressing cylinder (30) arranged on the bottom side of the inclined installation assembly (2) on one side of the part to be welded part bottom limiting control assembly (7), the output end of the part to be welded frame pressing cylinder (30) is provided with the fourth connecting assembly (31), the fourth connecting assembly (31) is provided with the L-shaped connecting plate (32), and the L-shaped connecting plate (32) is provided with the part to be welded frame pressing rod (33) in sequence; The part to be welded part top limiting control assembly (9) includes the part to be welded part top limiting control cylinder (34) arranged on the top side of the inclined installation assembly (2), the output end of the part to be welded part top limiting control cylinder (34) is provided with the fifth connecting assembly (35), and the output end of the fifth connecting assembly (35) is provided with the part to be welded part top limiting jig plate (36); The front beam auxiliary pressing assembly (10) includes the front beam auxiliary pressing cylinder (37) arranged on the top side of the inclined installation assembly (2) on one side of the part to be welded part top limiting control assembly (9), the output end of the front beam auxiliary pressing cylinder (37) is provided with the sixth connecting assembly (38), and the sixth connecting assembly (38) is provided with the front beam auxiliary pressing piece (39); The use method of the front beam welding fixture includes the following steps: Step one: place the automobile front beam on the middle support assembly (3), support the bottom side of the automobile front beam through the bottom support assembly (4), then the auxiliary positioning cylinder (20) is stretched out to fix and clamp the top side of the automobile front beam; Step two: the front beam auxiliary pressing cylinder (37) drives the front beam auxiliary pressing piece (39) to press the automobile front beam, and the front beam middle part pressing cylinder (24) drives the front beam middle part pressing frame body (26) to press the automobile front beam. 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Citation Information
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