C-shaped beam welding workbench

Abstract

The utility model discloses a welding workbench for a C-shaped beam. The welding table comprises a base, a table top arranged on the base and a fixing device used for fixing a workpiece to be welded. An auxiliary beam is arranged on the table top; the fixing device comprises a lower fixing device arranged on the base and located below the workpiece and an upper fixing device arranged on the auxiliary beam and located above the workpiece. The lower fixing device is provided with an auxiliary positioning device which is located on the side face of the workpiece and can ascend and descend, and the auxiliary positioning device is matched with the upper fixing device to position the workpiece. The welding fixture has the advantages that the upper fixing device and the lower fixing device are matched to position a workpiece, the positioning columns are arranged on the fixing devices, clamping is more stable, positioning is more accurate, meanwhile, the deformation degree of the workpiece during welding can be reduced, and the size of a finished product is more stable; and a plurality of welding auxiliary holes are formed in the surface of the workbench, so that the workpieces with different sizes and different models can be conveniently positioned and subsequently processed, and additional components can be conveniently mounted, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile parts welding tool, specifically a C-shaped beam welding workstation. BACKGROUND

[0002] As the force transmission component connected between frame and axle, automobile suspension is an important component to ensure the safety of automobile driving in vehicle body structure. And as an important part of automobile suspension, suspension beam is also divided into different shapes and types according to different needs. In order to meet the lightweight demand, C-shaped beam structure is generally used as suspension beam at present.

[0003] Traditional C-shaped beam welding is generally operated manually by workers, which needs 4 workers to complete welding through 8 processes, with high labor intensity, time-consuming and laborious, and due to large welding stress and multiple processes, the C-shaped beam after welding has problems of easy deformation and unstable size. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a C-shaped beam welding workstation with accurate positioning, small welding deformation, stable size, time saving and labor saving.

[0005] In order to solve the above technical problem, the C-shaped beam welding workstation of the utility model comprises a base, a table top provided on the base and a fixing device for fixing a workpiece to be welded. An auxiliary beam is provided on the table top. The fixing device comprises a lower fixing device provided on the base and located below the workpiece and an upper fixing device provided on the auxiliary beam and located above the workpiece. An auxiliary positioning device located on the side of the workpiece and capable of lifting is provided on the lower fixing device, which cooperates with the upper fixing device to position the workpiece.

[0006] The lower fixing device comprises a power unit provided on the base and an upward pressing unit. The pressing unit comprises a lower telescopic rod capable of moving in vertical direction and a lower pressing plate connected to the end of the lower telescopic rod. The auxiliary positioning device is provided on the lower pressing plate.

[0007] The auxiliary positioning device comprises a plurality of positioning columns provided on the lower pressing plate. The table top is provided with positioning column through holes matched with the positions of the positioning columns.

[0008] The number of the positioning columns is four and they are distributed on both sides of the workpiece.

[0009] The upper fixing device comprises a power unit provided on the auxiliary beam and a downward pressing unit. The pressing unit comprises an upper telescopic rod capable of moving in vertical direction, an upper pressing plate connected to the end of the upper telescopic rod and a clamping plate provided below the upper pressing plate.

[0010] The upper and lower fixing devices are provided with a plurality of positioning columns.

[0011] The power part of the upper and lower fixing devices is a cylinder.

[0012] The upper and lower fixing devices are provided with a plurality of positioning columns.

[0013] The upper and lower fixing devices are provided with a plurality of positioning columns.

[0014] The upper and lower fixing devices are provided with a plurality of positioning columns. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view schematic diagram before use of the utility model;

[0016] Figure 2 It is a top view schematic diagram before use of the utility model;

[0017] Figure 3 It is a front view schematic diagram when using the utility model;

[0018] Figure 4 It is a top view schematic diagram when using the utility model. DETAILED DESCRIPTION

[0019] The C-shaped beam welding workbench will be further explained in detail in combination with the drawings and specific embodiments.

[0020] As shown in the drawings, the C-shaped beam welding workbench of the utility model, comprising a base 1, a table 2 installed on the base 1, a column 14 arranged on the table 2, an auxiliary beam 4 installed on the column 14, a lower fixing device 5 arranged on the base 1 and located below the workpiece, and an upper fixing device 6 arranged on the auxiliary beam 4 and located above the workpiece. The lower fixing device 5 and the upper fixing device 6 are oppositely arranged inward, and they cooperate to position the workpiece.

[0021] The lower fixing device 5 comprises a power part arranged above the base 1 and an upward pressing part, the pressing part comprises a lower telescopic rod 7 movable in vertical direction and a lower pressing plate 8 connected to the end of the lower telescopic rod 7; four positioning columns 9 are arranged on the lower pressing plate 8; the table top is provided with positioning column through holes 11 matching the positions of the positioning columns 9; the upper fixing device 6 comprises a power part arranged above the auxiliary beam 4 and a downward pressing part, the pressing part comprises an upper telescopic rod 12 movable in vertical direction, an upper pressing plate 13 connected to the end of the upper telescopic rod 12 and a clamping plate 10 arranged below the upper pressing plate 13; the power parts of the lower fixing device 5 and the upper fixing device 6 are air cylinders.

[0022] The table top 2 is provided with a plurality of welding auxiliary holes 3 for providing positioning support for welding work of additional components, and trapezoidal grooves are further arranged on both sides for facilitating welding work of workers.

[0023] In use, first, the C-shaped beam body to be processed is placed on the table top 2 at a corresponding position for simple clamping, then the upper fixing device 6 and the lower fixing device 5 are started at the same time, the air cylinders work to push the upper telescopic rod 12 and the lower telescopic rod 7 to move, so that the four positioning columns 9 are penetrated upward from the positioning column through holes 11 until cooperating with the clamping plate 10 to form clamping and positioning of the beam body, then welding work is carried out, the additional components are welded on the beam body by using the welding auxiliary holes 3 arranged on the table top 2, after welding is completed, the upper and lower air cylinders are started again to separate the clamping part, the beam body is unloaded, and the overall welding work process is completed.

[0024] Of course, the above description is not a limitation of the present application, the present application is not limited to the above examples, and the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the present application should also belong to the protection scope of the present application.

Claims

1. A C-beam welding workbench, comprising a base (1), a table (2) arranged on the base (1), and a fixing device for fixing a workpiece to be welded, characterized in that: The table top (2) is provided with an auxiliary beam (4); the fixing device comprises a lower fixing device (5) provided on the base (1) and located below the workpiece and an upper fixing device (6) provided on the auxiliary beam (4) and located above the workpiece; the lower fixing device (5) is provided with an auxiliary positioning device located on the side of the workpiece and capable of lifting and descending, which cooperates with the upper fixing device (6) to position the workpiece.

2. The C-beam welding station of claim 1, wherein: The lower fixing device (5) comprises a power part provided on the base (1) and an upward pressing part, the pressing part comprises a lower telescopic rod (7) capable of moving in the vertical direction and a lower pressing plate (8) connected to the end of the lower telescopic rod (7); the auxiliary positioning device is provided on the lower pressing plate (8).

3. The C-beam welding station of claim 2, wherein: The auxiliary positioning device comprises a plurality of positioning columns (9) provided on the lower pressing plate (8); the table top is provided with positioning column through holes (11) matching the positions of the positioning columns (9).

4. The C-beam welding station of claim 3, wherein: The number of the positioning columns (9) is four and they are distributed on both sides of the workpiece.

5. The C-beam welding station of claim 1, wherein: The upper fixing device (6) comprises a power part provided on the auxiliary beam (4) and a downward pressing part, the pressing part comprises an upper telescopic rod (12) capable of moving in the vertical direction, an upper pressing plate (13) connected to the end of the upper telescopic rod (12) and a clamping plate (10) provided below the upper pressing plate (13).

6. A C-beam welding station according to any one of claims 1-5, characterized in that: The table top (2) is provided with a stand column (14), and the auxiliary beam (4) is installed on the stand column (14).

7. A C-beam welding station according to claim 2, 3 or 4, characterized in that: The power parts of the upper fixing device (6) and the lower fixing device (5) are air cylinders.

8. A C-beam welding station according to any one of claims 1-5, characterized in that: The table top (2) is provided with a plurality of welding auxiliary holes (3).

9. A C-beam welding station according to any one of claims 1-5, characterized in that: Trapezoidal grooves are formed on both sides of the table top (2).

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