A multifunctional special vehicle front plate assembly welding fixture

Abstract

This utility model discloses a multifunctional special vehicle front panel assembly welding fixture, relating to the field of automotive manufacturing technology. The front panel assembly includes an upper crossbeam, a middle crossbeam, and a lower crossbeam arranged sequentially from top to bottom, as well as two side columns respectively arranged on the left and right sides. The welding fixture includes two opposing brackets and a reinforcing channel steel frame arranged between the two brackets. The reinforcing channel steel frame is used to support the front panel assembly, and a rotating shaft seat is provided on the left and right sides of the reinforcing channel steel. Several rotary clamping cylinders and positioning seats for fixing the front panel assembly are provided on the reinforcing channel steel frame. A turbine reducer is provided on one of the brackets, and the reducer shaft of the turbine reducer is connected to the corresponding rotating shaft seat. A seated bearing is provided on the other bracket, and the seated bearing is connected to the corresponding rotating shaft seat through a connecting shaft.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a multi-functional special-purpose welding fixture for vehicle front panel assembly. Background Technology

[0002] Currently, all domestically produced vehicle front panel assemblies use platform welding, which relies on manual adjustment and positioning to align the position before manual clamping and welding. This method is not only cumbersome and slows down the pace, resulting in low efficiency, but also leads to high labor intensity for workers due to the handling of heavy objects and frequent manual operations. It has become a bottleneck restricting the improvement of production efficiency and working environment. Summary of the Invention

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a multi-functional special-purpose welding fixture for vehicle front panel assemblies. This fixture has safe, reliable, and fast locking positioning capabilities, supports welding at any angle, significantly improves ease of operation, effectively reduces the labor intensity of workers, and significantly improves production efficiency.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a multi-functional special vehicle front panel assembly welding fixture, the front panel assembly including an upper crossbeam, a middle crossbeam and a lower crossbeam arranged sequentially from top to bottom, and two side columns respectively arranged on the left and right sides; the welding fixture includes two oppositely arranged brackets and a reinforcing channel steel frame arranged between the two brackets.

[0005] The reinforcing steel frame supports the front panel assembly, and pivot seats are respectively provided on the left and right sides of the reinforcing steel frame; the reinforcing steel frame is provided with a plurality of rotary clamping cylinders and positioning seats for fixing the front panel assembly; at least one rotary clamping cylinder is located in the middle of the reinforcing steel frame for clamping the middle crossbeam; at least two rotary clamping cylinders are respectively located on the left and right sides of the reinforcing steel frame for clamping the two side columns; at least one positioning seat is located on the upper edge of the reinforcing steel frame for supporting the upper crossbeam; at least one positioning seat is located on the lower edge of the reinforcing steel frame for supporting the lower crossbeam; at least two positioning seats are respectively located on the left and right sides of the reinforcing steel frame for supporting the two side columns.

[0006] One of the brackets is equipped with a worm gear reducer, and the reducer shaft of the worm gear reducer is connected to the corresponding rotating shaft seat;

[0007] Another bracket is equipped with a seated bearing, which is connected to a corresponding rotating shaft seat via a connecting shaft.

[0008] A further improvement is that the rotary clamping cylinder includes a cylinder body, which is connected to a reinforcing channel steel frame via a connecting block, and the piston rod of the cylinder body is connected to a pressure block.

[0009] A further improvement is that the positioning seat has an L-shaped structure, including a horizontal block and a vertical block. The top surface of the horizontal block is provided with a pad, which extends to the inner side of the horizontal block. An arc-shaped clearance groove is provided at the connection between the horizontal block and the vertical block.

[0010] A further improvement is that: five rotary clamping cylinders are provided, one of which is located in the middle of the reinforcing channel steel frame and is used to clamp the middle crossbeam; the remaining rotary clamping cylinders are symmetrically arranged on the left and right sides of the reinforcing channel steel frame and are used to clamp the two side columns.

[0011] A further improvement is that: eight positioning seats are provided, two of which are located at both ends of the upper edge of the reinforcing channel steel frame to support the upper crossbeam; two other positioning seats are located at the lower edge of the reinforcing channel steel frame to support the lower crossbeam; and the remaining positioning seats are symmetrically located on the left and right sides of the reinforcing channel steel frame to support the two side columns.

[0012] A further improvement is that it also includes a brake disc and a friction block, wherein the brake disc is mounted on the connecting shaft and located between the seated bearing and the rotating shaft seat; the friction block can abut against the friction disc to lock the reinforcing steel frame.

[0013] A further improvement is that a base is provided between the turbine reducer and the bracket.

[0014] A further improvement is that a mounting base is provided between the bearing and the bracket.

[0015] A further improvement is that the reinforcing channel steel frame is equipped with several positioning angle steels.

[0016] A further improvement is made in that: a number of reinforcing rods are provided between the upper crossbeam and the middle crossbeam; a number of reinforcing columns are provided between the middle crossbeam and the lower crossbeam; a reinforcing beam is provided between the two side columns, and the reinforcing beam is located between the middle crossbeam and the lower crossbeam; the upper end of the side column is inclined inward to form an inclined section, and the upper end of the inclined section is bent inward to form a bent part connected to the upper crossbeam.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1. This utility model enables quick mounting and convenient positioning of parts, significantly saving operation time and physical labor.

[0019] 2. The safety performance of the operation process of this utility model is enhanced, and the operation risk is reduced.

[0020] 3. This utility model improves the welding mode of the front plate assembly, ensuring welding is performed under a stable clamping state, effectively suppressing workpiece deformation.

[0021] 4. This utility model supports spatial displacement at any angle, ensuring that the weld is always in the optimal horizontal position, thus reducing the skill requirements for welders.

[0022] 5. Through the above improvements, the labor productivity of this utility model has been greatly improved. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the front panel assembly in an embodiment of the present invention;

[0024] Figure 2 This is a perspective view of the welding fixture in the embodiment of this utility model;

[0025] Figure 3 This is a front view of the welding fixture in the embodiment of this utility model;

[0026] Figure 4 This is a top view of the welding fixture in the embodiment of this utility model;

[0027] Figure 5 This is a side view of the welding fixture in the embodiment of this utility model;

[0028] Figure 6 This is a front view of the rotary clamping cylinder in an embodiment of this utility model;

[0029] Figure 7 This is a front view of the positioning seat in an embodiment of this utility model;

[0030] Figure 8 This is a top view of the positioning seat in an embodiment of this utility model.

[0031] Figure label:

[0032] 1-Front panel assembly; 11-Upper crossbeam; 12-Middle crossbeam; 13-Lower crossbeam; 14-Side post; 15-Bend section; 16-Inclined section; 17-Reinforcing rod; 18-Reinforcing column; 19-Reinforcing beam;

[0033] 2-Reinforced channel steel frame; 21-Spindle seat; 22-Positioning angle steel;

[0034] 3-Bracket; 31-Wheel reducer; 32-Base; 33-Reducer shaft; 34-Mounting seat; 35-Bearing with seat; 36-Connecting shaft; 37-Brake disc;

[0035] 4-Rotary clamping cylinder; 41-Cylinder body; 42-Connecting block; 43-Pressure block;

[0036] 5-Positioning seat; 51-Horizontal block; 52-Vertical block; 53-Main layer; 54-Allowing groove. Detailed Implementation

[0037] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0038] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0039] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0040] See Figure 1 As shown, this utility model embodiment provides a multi-functional special vehicle front panel assembly welding fixture. The front panel assembly 1 includes an upper crossbeam 11, a middle crossbeam 12, and a lower crossbeam 13 arranged sequentially from top to bottom, as well as two side columns 14 respectively arranged on the left and right sides. Specifically, a plurality of reinforcing rods 17 are arranged between the upper crossbeam 11 and the middle crossbeam 12; a plurality of reinforcing columns 18 are arranged between the middle crossbeam 12 and the lower crossbeam 13; a reinforcing beam 19 is arranged between the two side columns 14, and the reinforcing beam 19 is located between the middle crossbeam 12 and the lower crossbeam 13; the upper end of the side column 14 is inclined inward to form an inclined section 16, and the upper end of the inclined section 16 is bent inward to form a bent part 15 connected to the upper crossbeam 11.

[0041] See Figures 2-5 As shown, the welding fixture includes two opposing supports 3 and a reinforcing channel steel frame 2 disposed between the two supports 3; specifically, the reinforcing channel steel frame 2 is provided with several positioning angle steels 22.

[0042] The reinforcing channel steel frame 2 is used to support the front plate assembly 1, and the left and right sides of the reinforcing channel steel are respectively provided with pivot seats 21; the reinforcing channel steel frame 2 is provided with a number of rotary clamping cylinders 4 and positioning seats 5 for fixing the front plate assembly 1; at least one rotary clamping cylinder 4 is located in the middle of the reinforcing channel steel frame 2 for clamping the middle crossbeam 12; at least two rotary clamping cylinders 4 are respectively located on the left and right sides of the reinforcing channel steel frame 2 for clamping the two side columns 14; at least one positioning seat 5 is located on the upper edge of the reinforcing channel steel frame 2 for supporting the upper crossbeam 11; at least one positioning seat 5 is located on the lower edge of the reinforcing channel steel frame 2 for supporting the lower crossbeam 13; at least two positioning seats 5 are respectively located on the left and right sides of the reinforcing channel steel frame 2 for supporting the two side columns 14; specifically, it also includes a brake disc 37 and a friction block, the brake disc 37 is located on the connecting shaft 36 and between the seated bearing 35 and the pivot seat 21; the friction block can abut against the friction disc to lock the reinforcing channel steel frame 2.

[0043] In this embodiment, five rotary clamping cylinders 4 are provided. One of them is located in the middle of the reinforcing channel steel frame 2 and is used to clamp the middle crossbeam 12. The remaining rotary clamping cylinders 4 are symmetrically arranged on the left and right sides of the reinforcing channel steel frame 2 and are used to clamp the two side columns 14. Eight positioning seats 5 are provided. Two positioning seats 5 are located at both ends of the upper edge of the reinforcing channel steel frame 2 and are used to support the upper crossbeam 11. The other two positioning seats 5 are located at the lower edge of the reinforcing channel steel frame 2 and are used to support the lower crossbeam 13. The remaining positioning seats 5 are symmetrically arranged on the left and right sides of the reinforcing channel steel frame 2 and are used to support the two side columns 14.

[0044] One of the brackets 3 is equipped with a worm gear reducer 31, and the reducer shaft 33 of the worm gear reducer 31 is connected to the corresponding rotating shaft seat 21; specifically, a base 32 is provided between the worm gear reducer 31 and the bracket 3.

[0045] Another bracket 3 is equipped with a mounted bearing 35, which is connected to a corresponding rotating shaft seat 21 via a connecting shaft 36. Specifically, a mounting base 34 is provided between the mounted bearing 35 and the bracket 3.

[0046] See Figure 6 As shown, the rotary clamping cylinder 4 includes a cylinder body 41, which is connected to the reinforcing steel frame 2 via a connecting block 42, and the piston rod of the cylinder body 41 is connected to a pressure block 43.

[0047] See Figure 7 and Figure 8 As shown, the positioning seat 5 has an L-shaped structure, including a horizontal block 51 and a vertical block 52. A pad 53 is provided on the top surface of the horizontal block 51. The pad 53 extends to the inner side of the horizontal block 51, and an arc-shaped clearance groove 54 is provided at the connection between the pad 53 and the vertical block 52.

[0048] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0049] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A multi-functional special vehicle front panel assembly welding fixture, the front panel assembly (1) comprising an upper crossbeam (11), a middle crossbeam (12), and a lower crossbeam (13) arranged sequentially from top to bottom, and two side pillars (14) respectively arranged on the left and right sides; characterized in that: The welding fixture includes two opposing supports (3) and a reinforcing channel steel frame (2) disposed between the two supports (3); The reinforcing steel frame (2) is used to support the front plate assembly (1), and the left and right sides of the reinforcing steel frame are respectively provided with pivot seats (21); the reinforcing steel frame (2) is provided with a number of rotary clamping cylinders (4) and positioning seats (5) for fixing the front plate assembly (1); at least one rotary clamping cylinder (4) is located in the middle of the reinforcing steel frame (2) for clamping the middle crossbeam (12); at least two rotary clamping cylinders (4) are respectively located on the left and right sides of the reinforcing steel frame (2) for clamping the two side columns (14); at least one positioning seat (5) is located on the upper edge of the reinforcing steel frame (2) for supporting the upper crossbeam (11); at least one positioning seat (5) is located on the lower edge of the reinforcing steel frame (2) for supporting the lower crossbeam (13); at least two positioning seats (5) are respectively located on the left and right sides of the reinforcing steel frame (2) for supporting the two side columns (14). One of the brackets (3) is equipped with a worm gear reducer (31), and the reducer shaft (33) of the worm gear reducer (31) is connected to the corresponding rotating shaft seat (21); Another bracket (3) is provided with a seated bearing (35), which is connected to the corresponding rotating shaft seat (21) via a connecting shaft (36).

2. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: The rotary pressing cylinder (4) includes a cylinder body (41), which is connected to the reinforcing channel steel frame (2) via a connecting block (42), and the piston rod of the cylinder body (41) is connected to a pressing block (43).

3. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: The positioning seat (5) has an L-shaped structure, including a horizontal block (51) and a vertical block (52). A pad (53) is provided on the top surface of the horizontal block (51). The pad (53) extends to the inner side of the horizontal block (51), and an arc-shaped clearance groove (54) is provided at the connection between the horizontal block (51) and the vertical block (52).

4. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: Five rotary clamping cylinders (4) are provided, one of which is located in the middle of the reinforcing channel steel frame (2) and is used to clamp the middle crossbeam (12); the remaining rotary clamping cylinders (4) are symmetrically arranged on the left and right sides of the reinforcing channel steel frame (2) and are used to clamp the two side columns (14).

5. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: The positioning seats (5) are provided in eight parts. Two positioning seats (5) are located at both ends of the upper edge of the reinforcing channel steel frame (2) to support the upper crossbeam (11); the other two positioning seats (5) are located at the lower edge of the reinforcing channel steel frame (2) to support the lower crossbeam (13); the remaining positioning seats (5) are symmetrically located on the left and right sides of the reinforcing channel steel frame (2) to support the two side columns (14).

6. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: It also includes a brake disc (37) and a friction block, the brake disc (37) being mounted on a connecting shaft (36) and located between a seated bearing (35) and a rotating shaft seat (21); the friction block being able to abut against the friction disc to lock the reinforcing steel frame (2).

7. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: A base (32) is provided between the turbine reducer (31) and the bracket (3).

8. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: A mounting base (34) is provided between the mounted bearing (35) and the bracket (3).

9. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: The reinforcing channel steel frame (2) is provided with several positioning angle steels (22).

10. The multi-functional special vehicle front panel assembly welding fixture according to claim 1, characterized in that: A number of reinforcing rods (17) are provided between the upper crossbeam (11) and the middle crossbeam (12); a number of reinforcing columns (18) are provided between the middle crossbeam (12) and the lower crossbeam (13); a reinforcing beam (19) is provided between the two side columns (14), and the reinforcing beam (19) is located between the middle crossbeam (12) and the lower crossbeam (13); the upper end of the side column (14) is inclined inward to form an inclined section (16), and the upper end of the inclined section (16) is bent inward to form a bent part (15) connected to the upper crossbeam (11).

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