Automobile front floor welding device

Abstract

The utility model relates to the technical field of automobile parts processing, and in particular to a welding device for the front floor of an automobile, comprising a base plate, a welding area is arranged on the surface of the base plate, protruding pads are fixedly connected to the surfaces of both sides of the welding area, and a compensation seat is movably embedded in the surface of the welding area, and the upper and lower ends of the base plate are respectively provided with a first positioning structure and a second positioning structure, and the first positioning structure and the second positioning structure are arranged in a relatively distributed manner. The utility model achieves the effect of limiting and fixing the external front floor at the position of the welding area from the upper position through the upper positioning main roller and the first auxiliary roller, and achieves the effect of assisting the upper positioning main roller and the first auxiliary roller to limit and fix the external front floor through the spring and the first connecting arm, and achieves the effect of connecting and installing the lower positioning main roller and the second auxiliary roller through the connecting frame, the second connecting arm and the third connecting arm.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to an automobile front floor welding device. Background Art

[0002] With the significant improvement of people's living standards, people have higher and higher requirements for the ride comfort of cars. In order to meet customer needs and enhance brand market competitiveness, automobile manufacturers continue to optimize the body structure to achieve the best vehicle NVH performance under the premise of controlling the lowest design cost. The front floor of the car body directly affects the subjective feeling of passengers on the vibration and noise of the car body, and its vibration and noise transfer function has a great influence on the ride comfort of the car.

[0003] During the manufacturing process of the front floor of an automobile, most of the operations are completed by welding technology. Due to the special and unique structure of the front floor of an automobile, the welding and forming of the front floor of an automobile currently requires that several small parts constituting the front floor of the automobile, such as brackets and wire clamps, be fixed and welded to the main body of the front floor of the automobile. Generally, simple and temporary welding tooling is used to assist welding, which has many defects: temporary tooling needs to be made before welding, and the positioning mechanism and compensation mechanism of the front floor of this temporary tooling are temporarily assembled and fixed during actual use. This process wastes welding time and its overall actual use effect is not conducive to welding efficiency. At the same time, due to the structure of the front floor, its positioning operation requires multiple sets of hydraulic mechanisms to complete, and its overall operation convenience is poor.

[0004] Therefore, the utility model provides a welding device for the front floor of an automobile. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides a vehicle front floor welding device, which can quickly complete the positioning process of the front floor when in use, and can also collect and process the welding slag and waste gas generated during the welding process.

[0006] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0007] A vehicle front floor welding device includes a base plate, a welding area is arranged on the surface of the base plate, protruding pads are fixedly connected to the two side surfaces of the welding area, and a compensation seat is movably embedded in the surface of the welding area. The upper and lower ends of the base plate are respectively provided with a first positioning structure and a second positioning structure, and the first positioning structure and the second positioning structure are relatively distributed. A collecting mesh plate is movably embedded in the surface of the welding area, and the collecting mesh plate is located between the two groups of positioning structures. The outer end of the collecting mesh plate is matched with a collecting cover of the same shape, and an adsorption mechanism is installed outside the collecting cover.

[0008] Furthermore, the first positioning structure includes an outer fixing seat fixedly connected along the top of the substrate and a first driving mechanism arranged through the surface of the outer fixing seat, and the bottom end of the first driving mechanism is fixedly connected to a mounting seat.

[0009] Furthermore, the first positioning structure also includes upper positioning main rollers at both ends of the mounting seat and a first auxiliary roller below the mounting seat, and a first connecting arm is movably connected between the upper positioning main roller and the first auxiliary roller.

[0010] Furthermore, a spring is fixedly connected between the first auxiliary roller and the mounting seat;

[0011] Furthermore, the upper positioning main roller, the first connecting arm and the first auxiliary roller are arranged in a matching manner, the upper positioning main roller and the two ends of the mounting seat are fixedly connected, and the first connecting arm and the outer sides of the upper positioning main roller and the first auxiliary roller are movably connected;

[0012] The first auxiliary roller is vertically connected to the mounting seat through a spring.

[0013] Furthermore, the second positioning structure includes a second driving mechanism and a connecting frame that are fixedly connected, both ends of the connecting frame are fixedly connected with second connecting arms, and the outer end of the second connecting arm is fixedly connected with a second auxiliary roller, the outer side of the second auxiliary roller is simultaneously movably connected with a third connecting arm, and the outer end of the third connecting arm is simultaneously movably connected with a lower positioning main roller.

[0014] Furthermore, the connecting frame is arranged in a "V" shape as a whole, with both ends tilted upward, and both ends of the third connecting arm are movably connected to the corresponding second auxiliary roller and the lower positioning main roller respectively.

[0015] Furthermore, the second auxiliary rollers and the lower positioning main rollers are arranged in a triangular distribution, the lower positioning main roller is located above the two sets of second auxiliary rollers, and protective gaskets are added on the surfaces of the second auxiliary rollers and the lower positioning main rollers;

[0016] Torsion springs are arranged at the connection positions of the second auxiliary roller and the lower positioning main roller and the third connecting arm.

[0017] Furthermore, the collecting mesh plate is configured as a metal mesh plate;

[0018] The compensation seat is arranged in an arc strip shape as a whole, and is arranged as a plastic seat body, and is located on both sides of the surface of the welding area, and the compensation seat is connected to the welding area through a telescopic rod.

[0019] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0020] The utility model achieves the effect of facilitating the installation and fixing of the first positioning structure as a whole and the base plate through the external fixing seat, and achieves the effect of controlling the lifting and lowering adjustment of the entire mounting seat through the first driving mechanism.

[0021] The utility model achieves the effect of limiting and fixing the external front floor at the welding area position from the upper position through the upper positioning main roller and the first auxiliary roller, and achieves the effect of assisting the upper positioning main roller and the first auxiliary roller to limit and fix the external front floor through the spring and the first connecting arm.

[0022] The utility model achieves the effect of connecting and installing the lower positioning main roller and the second auxiliary roller through the connecting frame, the second connecting arm and the third connecting arm, and the movably arranged third connecting arm is convenient for adaptive adjustment according to the force applied to the second auxiliary roller.

[0023] The utility model achieves the effect of limiting and fixing the outer front floor at the welding area position from the lower position through the second auxiliary roller and the lower positioning main roller.

[0024] The utility model achieves the effect of collecting and treating waste slag and waste gas generated by welding through the collecting mesh plate, and achieves the effect of providing pre-support to the two side positions of the external front floor through the compensating seat, so as to facilitate the subsequent welding and fixing of the external front floor and the external wheel hub package. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0026] Figure 1 It is a top view of the overall structure of the utility model;

[0027] Figure 2 This is a top view of the first positioning structure connection in the utility model;

[0028] Figure 3 It is a top view of the second positioning structure connection in the utility model.

[0029] Reference numerals:

[0030] 1. Base plate; 2. Welding area; 3. Compensation seat; 4. Pad strip; 5. Collecting screen; 6. First positioning structure; 7. Second positioning structure; 8. External fixing seat; 9. First driving mechanism; 10. Mounting seat; 11. Upper positioning main roller; 12. First auxiliary roller; 13. First connecting arm; 14. Spring; 15. Second driving mechanism; 16. Connecting frame; 17. Second connecting arm; 18. Second auxiliary roller; 19. Third connecting arm; 20. Lower positioning main roller. DETAILED DESCRIPTION

[0031] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0032] See also Figure 1-3 A vehicle front floor welding device comprises a base plate 1, a welding area 2 is arranged on the surface of the base plate 1, protruding pads 4 are fixedly connected to the surfaces of both sides of the welding area 2, and a compensation seat 3 is movably embedded in the surface of the welding area 2, and a first positioning structure 6 and a second positioning structure 7 are respectively arranged at the upper and lower ends of the base plate 1, and the first positioning structure 6 and the second positioning structure 7 are arranged in a relatively distributed manner, and a collecting mesh plate 5 is movably embedded in the surface of the welding area 2, and the collecting mesh plate 5 is located between the two groups of positioning structures at the same time. When the lower position of the front floor is limited and fixed, the second positioning structure The second driving mechanism 15 in the positioning structure 7 controls the overall lifting and lowering of the connecting frame 16. The lower positioning main roller 20 first contacts the lower position of the external front floor to achieve preliminary positioning. As the connecting frame 16 is lifted and lowered, the third connecting arm 19 is gradually forced to be horizontal. At this time, the second auxiliary roller 18 gradually contacts the lower position of the front floor, and completes the limiting fixation of the external front floor together with the lower positioning main roller 20. During this process, the second auxiliary roller 18 and the lower positioning main roller 20 are always in a stressed state under the action of the matching torsion spring, which can effectively ensure the limiting fixation of the external front floor.

[0033] In this embodiment, the first positioning structure 6 includes an external fixing seat 8 fixedly connected along the top of the substrate 1 and a first driving mechanism 9 arranged through the surface of the external fixing seat 8. The bottom end of the first driving mechanism 9 is fixedly connected to a mounting seat 10. The external fixing seat 8 is used to facilitate the installation and fixation of the first positioning structure 6 as a whole and the substrate 1. The first driving mechanism 9 is used to control the overall lifting and lowering adjustment of the mounting seat 10.

[0034] The first positioning structure 6 also includes an upper positioning main roller 11 at both ends of the mounting seat 10 and a first auxiliary roller 12 at a lower position of the mounting seat 10, a first connecting arm 13 is movably connected between the upper positioning main roller 11 and the first auxiliary roller 12, a spring 14 is fixedly connected between the first auxiliary roller 12 and the mounting seat 10, the upper positioning main roller 11, the first connecting arm 13 and the first auxiliary roller 12 are matched with each other, the upper positioning main roller 11 is fixedly connected to both ends of the mounting seat 10, the first connecting arm 13 and the outer sides of the upper positioning main roller 11 and the first auxiliary roller 12 are movably connected, the first auxiliary roller 12 is vertically connected to the mounting seat 10 through the spring 14, the upper positioning main roller 11 and the first auxiliary roller 12 are used to limit and fix the external front floor of the welding area 2 from the upper position, and the spring 14 and the first connecting arm 13 are used to assist the upper positioning main roller 11 and the first auxiliary roller 12 to limit and fix the external front floor.

[0035] When using this device, the entire front floor is prevented from being located in the welding area 2, and the first driving mechanism 9 controls the mounting seat 10 to descend as a whole. At this time, the first auxiliary roller 12 first contacts the upper surface of the external front floor to apply pressure to it for preliminary positioning, and then as the mounting seat 10 is adjusted downward, the first auxiliary roller 12 maintains the positioning of the external front floor under the action of the spring 14, and the spring 14 is compressed until the upper positioning main roller 11 contacts the upper position of the front floor, and together with the first auxiliary roller 12, the upper position of the external front floor is limited and fixed. In this process, as the spring 14 is compressed, the movably arranged first connecting arm 13 is in a horizontal state between the upper positioning main roller 11 and the first auxiliary roller 12.

[0036] The second positioning structure 7 includes a second driving mechanism 15 and a connecting frame 16 which are fixedly connected. Both ends of the connecting frame 16 are fixedly connected with a second connecting arm 17, and the outer end of the second connecting arm 17 is fixedly connected with a second auxiliary roller 18. The outer side of the second auxiliary roller 18 is also movably connected with a third connecting arm 19, and the outer end of the third connecting arm 19 is also movably connected with a lower positioning main roller 20. The connecting frame 16 is arranged in a "V" shape as a whole, with both ends inclined upward. The two ends of the third connecting arm 19 are respectively movably connected with the corresponding second auxiliary roller 18 and the lower positioning main roller 20. The lower positioning main roller 20 and the second auxiliary roller 18 are connected and installed by the connecting frame 16, the second connecting arm 17 and the third connecting arm 19. At the same time, the movably arranged third connecting arm 19 is convenient for adaptive adjustment according to the force applied to the second auxiliary roller 18.

[0037] The second auxiliary rollers 18 and the lower positioning main rollers 20 are arranged in a triangular distribution. The lower positioning main rollers 20 are located in the upper position between the two groups of second auxiliary rollers 18, and the surfaces of the second auxiliary rollers 18 and the lower positioning main rollers 20 are additionally provided with protective gaskets. The second auxiliary rollers 18 and the lower positioning main rollers 20 are connected to the third connecting arm 19 at the positions where torsional springs are provided. The second auxiliary rollers 18 and the lower positioning main rollers 20 are used to limit and fix the external front floor of the welding area 2 from the lower position.

[0038] The collecting screen plate 5 is set as a metal screen plate, and a collecting cover of the same shape is matched at the outer end, and an adsorption mechanism is also installed outside the collecting cover;

[0039] The compensation seat 3 is arranged in an arc strip shape as a whole, and is arranged as a plastic seat body, and is located at both sides of the surface of the welding area 2, and the compensation seat 3 is connected to the welding area 2 through a telescopic rod;

[0040] The collection mesh plate 5 is used to collect and treat the waste slag and waste gas generated by welding, and the compensation seat 3 is used to provide pre-support for the two sides of the external front floor, which is convenient for the subsequent welding and fixation of the external front floor and the external wheel hub package.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A welding device for the front floor of an automobile, characterized in that: The invention comprises a substrate (1), wherein a welding area (2) is arranged on the surface of the substrate (1), protruding pads (4) are fixedly connected to the two side surfaces of the welding area (2), and a compensation seat (3) is movably embedded in the surface of the welding area (2), and a first positioning structure (6) and a second positioning structure (7) are respectively arranged at the upper and lower ends of the substrate (1), and the first positioning structure (6) and the second positioning structure (7) are arranged in a relatively distributed manner. A collecting mesh plate (5) is movably embedded in the surface of the welding area (2), and the collecting mesh plate (5) is located between the two groups of positioning structures. A collecting cover of the same shape is matched at the outer end of the collecting mesh plate (5), and an adsorption mechanism is arranged outside the collecting cover.

2. The automobile front floor welding device according to claim 1, characterized in that: The first positioning structure (6) comprises an external fixing seat (8) fixedly connected along the top of the base plate (1) and a first driving mechanism (9) arranged through the surface of the external fixing seat (8), and the bottom end of the first driving mechanism (9) is fixedly connected to a mounting seat (10).

3. The automobile front floor welding device according to claim 2, characterized in that: The first positioning structure (6) further comprises upper positioning main rollers (11) at both ends of the mounting seat (10) and a first auxiliary roller (12) below the mounting seat (10), and a first connecting arm (13) is movably connected between the upper positioning main roller (11) and the first auxiliary roller (12).

4. The automobile front floor welding device according to claim 3, characterized in that: A spring (14) is fixedly connected between the first auxiliary roller (12) and the mounting seat (10).

5. The automobile front floor welding device according to claim 3, characterized in that: The upper positioning main roller (11), the first connecting arm (13) and the first auxiliary roller (12) are arranged in a matching manner. The upper positioning main roller (11) and the mounting seat (10) are fixedly connected at both ends, and the first connecting arm (13) and the outer sides of the upper positioning main roller (11) and the first auxiliary roller (12) are movably connected. The first auxiliary roller (12) is vertically connected to the mounting seat (10) via a spring (14).

6. The automobile front floor welding device according to claim 1, characterized in that: The second positioning structure (7) comprises a second driving mechanism (15) and a connecting frame (16) which are fixedly connected, the two ends of the connecting frame (16) are fixedly connected to a second connecting arm (17), the outer end of the second connecting arm (17) is fixedly connected to a second auxiliary roller (18), the outer side of the second auxiliary roller (18) is movably connected to a third connecting arm (19), and the outer end of the third connecting arm (19) is movably connected to a lower positioning main roller (20).

7. The automobile front floor welding device according to claim 6, characterized in that: The connecting frame (16) is arranged in a "V" shape as a whole, with both ends tilted upwards, and both ends of the third connecting arm (19) are movably connected to the corresponding second auxiliary roller (18) and the lower positioning main roller (20) respectively.

8. The automobile front floor welding device according to claim 6, characterized in that: The second auxiliary rollers (18) and the lower positioning main rollers (20) are arranged in a triangular distribution, the lower positioning main roller (20) is located above the two sets of second auxiliary rollers (18), and protective gaskets are added to the surfaces of the second auxiliary rollers (18) and the lower positioning main rollers (20); Torsion springs are provided at the connection positions between the second auxiliary roller (18) and the lower positioning main roller (20) and the third connecting arm (19).

9. The automobile front floor welding device according to claim 1, characterized in that: The collecting mesh plate (5) is configured as a metal mesh plate; The compensation seat (3) is arranged in an arc-shaped strip as a whole and is arranged as a plastic seat body, and is located at both sides of the surface of the welding area (2), and the compensation seat (3) is connected to the welding area (2) through a telescopic rod.

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