Body frame assembly welding fixture

Abstract

The utility model discloses a car body frame total assembly welding fixture which comprises a base, a height adjusting structure, a side face clamping structure and a sliding adjusting structure, the height adjusting structure is arranged on the base, the side face clamping structure is arranged on the base, and the sliding adjusting structure is arranged on the base. The height adjusting structure comprises a first fixing base, a mounting and rotating base, a limiting groove, a sliding base, a motor, a threaded rod, a supporting plate, a third fixing base, a first hydraulic telescopic cylinder, a supporting plate, a first clamping base, a second hydraulic telescopic cylinder and a second clamping base. The utility model belongs to the technical field of framework equipment, particularly relates to a vehicle body framework total splicing welding fixture, and effectively solves the problems that the vehicle body framework total splicing welding fixture needs to design and manufacture different models of framework total splicing welding fixtures aiming at different vehicle types, so that too many fixtures are caused, the space is occupied, a large number of resources are wasted, and the production cost is high. And different brackets need to be replaced when vehicle body frameworks of different models are produced, which is very troublesome.

Description

Technical Field

[0001] The utility model belongs to the technical field of skeleton equipment, in particular to a vehicle body skeleton assembly welding fixture. Background Art

[0002] The assembly and welding of the six-piece body frame is a critical process in bus body assembly. This process not only determines the dimensional accuracy of the bus body's hexahedron but also represents a bottleneck in limiting the productivity of the body welding line. To ensure the overall body frame assembly and welding accuracy, a comprehensive welding fixture was designed and manufactured.

[0003] However, the existing body frame assembly welding fixtures need to be designed and manufactured in different models for different models, resulting in too many fixtures, taking up space, and wasting a lot of resources. The production of different models of body frames requires the replacement of different brackets, which is very troublesome. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the existing technology, the utility model proposes a body frame assembly welding fixture, which effectively solves the problem that different models of body frame assembly welding fixtures need to be designed and manufactured for different vehicle models, resulting in too many fixtures, taking up space, wasting a lot of resources, and producing different models of body frames, requiring the replacement of different brackets, which is very troublesome.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes a vehicle body frame assembly welding fixture, including a base, a height adjustment structure, a side clamping structure and a sliding adjustment structure, wherein the height adjustment structure is arranged on the base, the side clamping structure is arranged on the base, the sliding adjustment structure is arranged on the base, the height adjustment structure includes a fixed seat 1, a swivel seat, a limit groove, a sliding seat, a motor, a threaded rod, a support plate, a fixed seat 3, a hydraulic telescopic cylinder 1, a support plate, a clamping seat 1, a hydraulic telescopic cylinder 2 and a clamping seat 2, the fixed seat 1 is fixedly arranged on the base, the swivel seat is fixedly arranged Above the fixed seat one, the limit groove is fixedly arranged on the inner side of the fixed seat one, the sliding seat is slidably arranged on the limit groove, the motor is fixedly arranged on the swivel seat, one end of the threaded rod passes through the sliding seat threaded drive setting and the other end is axially arranged on the motor, the support plate is fixedly arranged on the sliding seat, the fixed seat three is fixedly arranged on the support plate, the hydraulic telescopic cylinder one is fixedly arranged on the fixed seat three, the support plate is fixedly arranged on the front end of the hydraulic telescopic cylinder one, the clamping seat one is fixedly arranged above the support plate, the hydraulic telescopic cylinder two is fixedly arranged on the side of the support plate, and the clamping seat two is fixedly arranged on the front end of the hydraulic telescopic cylinder two.

[0006] Preferably, the side clamping structure includes a fixing seat four, a hydraulic telescopic cylinder three and a clamping seat three, the fixing seat four is fixed on the side of the base, the hydraulic telescopic cylinder three is fixed on the inner side of the fixing seat four, and the clamping seat three is fixed on the front end of the hydraulic telescopic cylinder three.

[0007] In order to better achieve the effect of adjusting the docking, the sliding adjustment structure includes a slide groove, a sliding plate and a fixed block. The slide groove is recessed on the base, the sliding plate is slidably arranged in the slide groove, and the fixed block is fixed at the bottom of the sliding plate. One end of the hydraulic telescopic cylinder is fixed on the base and the other end is fixed on the fixed block.

[0008] In order to achieve the purpose of limited sliding more quickly, two groups of convex grooves and one group of sliding grooves are set in the limiting groove, and the sliding seat and the limiting groove are provided with two groups of convex blocks and one group of sliding blocks matching each other.

[0009] Furthermore, the sliding plate is arranged parallel to the supporting plate.

[0010] In order to achieve the clamping effect, the clamping seat 1, the clamping seat 2 and the clamping seat 3 are provided with an automatic hydraulic extrusion structure.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows: This solution proposes a vehicle body frame assembly welding fixture, which adjusts the position of the vehicle body frame by sliding the sliding plate on the slide groove, making it convenient to install support frames in different positions. At the same time, the support plate adjusts the clamping seat up and down to adjust the clamping height to adapt to different frame heights, thereby realizing frame welding for different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of a vehicle body frame assembly welding fixture proposed by the present invention;

[0013] Figure 2 This is a schematic structural diagram from another perspective of a vehicle body frame assembly welding fixture proposed by the present invention;

[0014] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a vehicle body frame assembly welding fixture.

[0015] Among them, 1. Base, 2. Height adjustment structure, 3. Side clamping structure, 4. Sliding adjustment structure, 5. Fixed seat 1, 6. Rotating seat, 7. Limiting groove, 8. Sliding seat, 9. Motor, 10. Threaded rod, 11. Support plate, 12. Fixed seat 3, 13. Hydraulic telescopic cylinder 1, 14. Support plate, 15. Clamping seat 1, 16. Hydraulic telescopic cylinder 2, 17. Clamping seat 2, 18. Fixed seat 4, 19. Hydraulic telescopic cylinder 3, 20. Clamping seat 3, 21. Slide, 22. Sliding plate, 23. Fixed block, 24. Hydraulic telescopic cylinder 4.

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] like Figure 1 、 Figure 2 and Figure 3 As shown, the utility model proposes a vehicle body frame assembly welding fixture, including a base 1, a height adjustment structure 2, a side clamping structure 3 and a sliding adjustment structure 4, the height adjustment structure 2 is arranged on the base 1, the side clamping structure 3 is arranged on the base 1, and the sliding adjustment structure 4 is arranged on the base 1, the height adjustment structure 2 includes a fixed seat 5, a rotating seat 6, a limiting groove 7, a sliding seat 8, a motor 9, a threaded rod 10, a support plate 11, a fixed seat 3 12, a hydraulic telescopic cylinder 13, a support plate 14, a clamping seat 15, a hydraulic telescopic cylinder 2 16 and a clamping seat 2 17, the fixed seat 5 is fixed on the base 1, the rotating seat 6 is fixed above the fixed seat 5, and the limiting groove 7 is fixed inside the fixed seat 5. Two groups of convex grooves and one group of sliding grooves are set in the limit groove 7, the sliding seat 8 is slidably set on the limit groove 7, the sliding seat 8 and the limit groove 7 are provided with two groups of convex blocks and one group of sliding blocks, the motor 9 is fixed on the swivel seat 6, one end of the threaded rod 10 passes through the sliding seat 8 and is threadedly driven and the other end is axially movably set on the motor 9, the support plate 11 is fixed on the sliding seat 8, the fixed seat three 12 is fixed on the support plate 11, the hydraulic telescopic cylinder one 13 is fixed on the fixed seat three 12, the support plate 14 is fixed at the front end of the hydraulic telescopic cylinder one 13, the clamping seat one 15 is fixed above the support plate 14, the hydraulic telescopic cylinder two 16 is fixed on the side of the support plate 14, and the clamping seat two 17 is fixed at the front end of the hydraulic telescopic cylinder two 16.

[0019] like Figure 1 and Figure 2 As shown, the side clamping structure 3 includes a fixed seat four 18, a hydraulic telescopic cylinder three 19 and a clamping seat three 20. The fixed seat four 18 is fixed on the side of the base 1, the hydraulic telescopic cylinder three 19 is fixed on the inner side of the fixed seat four 18, and the clamping seat three 20 is fixed on the front end of the hydraulic telescopic cylinder three 19. The clamping seat one 15, the clamping seat two 17 and the clamping seat three 20 are provided with an automatic hydraulic extrusion structure.

[0020] like Figure 1 、 Figure 2 and Figure 3 As shown, the sliding adjustment structure 4 includes a slide groove 21, a sliding plate 22 and a fixed block 23. The slide groove 21 is recessed on the base 1, the sliding plate 22 is slidably arranged in the slide groove 21, the sliding plate 22 is arranged parallel to the support plate 14, the fixed block 23 is fixed to the bottom of the sliding plate 22, and one end of the hydraulic telescopic cylinder 24 is fixed on the base 1 and the other end is fixed on the fixed block 23.

[0021] In specific use, when the user uses this device, first clamp and fix the roof longitudinal beam with the clamping seat 15, and control the motor 9 to drive the threaded rod 10 to rotate according to the height of the vehicle frame, so that the threaded rod 10 drives the sliding seat 8 to rise and fall on the limit groove 7, so that the sliding seat 8 drives the hydraulic telescopic cylinder 13 on the support plate 11 to rise and fall and adjust the height, so that the hydraulic telescopic cylinder 13 drives the clamping seat 15 on the support plate 14 to adjust the roof longitudinal beam to the corresponding height of the vehicle model, and then clamp and fix the roof side beam with the clamping seat 2 17, and then control the hydraulic telescopic cylinder 2 16 to drive the roof side beam on the clamping seat 2 17 to connect to the roof cross beam for welding. Then, the A-pillar and the B-pillar are clamped on the clamping seat three 20, and at the same time, the hydraulic telescopic cylinder one 13 is extended and retracted back and forth, driving the roof side beams and roof cross beams clamped by the clamping seat one 15 on the support plate 14 to adjust to the A-pillar and B-pillar, and respectively weld the A-pillar and B-pillar to the roof side beams, and then place the vehicle bottom beam on the sliding plate 22, control the hydraulic telescopic cylinder four 24 to push the vehicle bottom beam on the sliding plate 22 to correspond to the upper A-pillar and B-pillar, and then weld the A-pillar and B-pillar to the vehicle bottom beam, and finally weld other anti-collision beams to the front and rear positions, thereby completing the welding of the vehicle body frame. The above is the use process of the entire vehicle body frame assembly welding fixture.

[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0024] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A vehicle body frame assembly welding fixture, characterized by: It includes a base, a height adjustment structure, a side clamping structure and a sliding adjustment structure, the height adjustment structure is arranged on the base, the side clamping structure is arranged on the base, the sliding adjustment structure is arranged on the base, the height adjustment structure includes a fixed seat 1, a rotating seat, a limiting groove, a sliding seat, a motor, a threaded rod, a support plate, a fixed seat 3, a hydraulic telescopic cylinder 1, a support plate, a clamping seat 1, a hydraulic telescopic cylinder 2 and a clamping seat 2, the fixed seat 1 is fixedly arranged on the base, the rotating seat is fixedly arranged above the fixed seat 1, and the limiting groove is fixedly arranged on the fixed seat On the inner side of the fixed seat, the sliding seat is slidably arranged on the limit groove, the motor is fixedly arranged on the swivel seat, one end of the threaded rod passes through the sliding seat threaded drive arrangement and the other end is axially arranged on the motor, the support plate is fixedly arranged on the sliding seat, the fixed seat three is fixedly arranged on the support plate, the hydraulic telescopic cylinder one is fixedly arranged on the fixed seat three, the support plate is fixedly arranged at the front end of the hydraulic telescopic cylinder one, the clamping seat one is fixedly arranged above the support plate, the hydraulic telescopic cylinder two is fixedly arranged on the side of the support plate, and the clamping seat two is fixedly arranged at the front end of the hydraulic telescopic cylinder two.

2. The vehicle body frame assembly welding fixture according to claim 1, characterized in that: The side clamping structure includes a fixing seat four, a hydraulic telescopic cylinder three and a clamping seat three. The fixing seat four is fixed on the side of the base, the hydraulic telescopic cylinder three is fixed on the inner side of the fixing seat four, and the clamping seat three is fixed on the front end of the hydraulic telescopic cylinder three.

3. The vehicle body frame assembly welding fixture according to claim 2, characterized in that: The sliding adjustment structure includes a slide groove, a sliding plate and a fixed block. The slide groove is recessed on the base, the sliding plate slides in the slide groove, the fixed block is fixed to the bottom of the sliding plate, and one end of the hydraulic telescopic cylinder is fixed on the base and the other end is fixed on the fixed block.

4. The vehicle body frame assembly welding fixture according to claim 3, characterized in that: Two groups of convex grooves and one group of sliding grooves are arranged in the limiting groove, and the sliding seat and the limiting groove are provided with two groups of convex blocks and one group of sliding blocks matching each other.

5. The vehicle body frame assembly welding fixture according to claim 4, characterized in that: The sliding plate is arranged parallel to the supporting plate.

6. The vehicle body frame assembly welding fixture according to claim 5, characterized in that: The clamping seat 1, the clamping seat 2 and the clamping seat 3 are provided with an automatic hydraulic extrusion structure.

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