Flexible welding fixture for vehicle body

Abstract

The utility model relates to the technical field of vehicle body welding, and discloses a flexible welding clamp for a vehicle body. Comprising a workbench and further comprises a supporting plate arranged at the top of the workbench, one side of the supporting plate is fixedly connected with a supporting frame, the bottom of the supporting frame is connected with the top of the workbench in a clamped mode, and a sensor is arranged on one side of the supporting plate; by arranging the first air cylinder, the connecting block, the first supporting block, the first pressing block, the first pressing arm, the second air cylinder, the second pressing block, the second supporting block, the third pressing block and the third supporting block, a vehicle body can be conveniently clamped in multiple directions during welding; according to the flexible welding clamp convenient to clamp in multiple directions, the workpiece can be kept stable in the welding process, displacement or deformation is avoided, accurate welding can be achieved, welding defects such as cracks and slag inclusion are reduced, and therefore the welding quality and the manufacturing quality of a whole vehicle are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of car body welding, specifically to a car body flexible welding fixture. BACKGROUND

[0002] The car body flexible welding fixture is a tooling device specially designed to meet the welding needs of different car bodies, which has high flexibility and universality. It can be quickly built through standardized and modular components, can accurately position and clamp the welding parts, improve production efficiency, and ensure welding quality. It is a key equipment in modern automobile manufacturing.

[0003] The fixture can ensure that the car body parts maintain accurate position and posture during welding, avoid position deviation, deformation and other problems, thereby ensuring welding quality and vehicle quality. Therefore, the fixture needs to be used. However, the traditional car body flexible welding fixture may use some clamping methods that are not suitable for multidirectional clamping, such as spring clamping. Since it has no self-locking function, it may fail due to heat during welding. Therefore, it is not suitable for multidirectional clamping scenes that require stable and reliable clamping. If the fixture cannot stably clamp the workpiece, it may cause the workpiece to shift or deform during welding, thereby affecting the precision and quality of welding. This may cause uneven assembly gap between car body parts, affecting the performance and appearance of the vehicle. SUMMARY

[0004] The utility model aims at providing a car body flexible welding fixture to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a car body flexible welding fixture, comprising a workbench, further comprising:

[0006] A support plate is arranged on the top of the workbench. One side of the support plate is fixedly connected with a support frame, and the bottom of the support frame is clamped with the top of the workbench. One side of the support plate is provided with a sensor.

[0007] A first cylinder is arranged on one side of the support plate. The piston rod of the first cylinder is provided with a first support block. One side of the first support block is provided with a first pressing block for pressing the car body. One side of the first support block is provided with a first pressing arm.

[0008] A second pressing arm is arranged on one side of the support plate. One side of the second pressing arm is provided with a fourth support block.

[0009] Preferably, one side of the support plate is provided with a connecting block. One side of the first pressing block is fixedly connected with a first gasket. The outer side of the sensor is fixedly connected with a bracket.

[0010] Preferably, a column is mounted on the top of the workbench, and a second cylinder is arranged on one side of the column.

[0011] Preferably, a mounting shaft is arranged on the piston rod of the second cylinder, and a positioning frame is fixedly connected to the outer side of the mounting shaft.

[0012] Preferably, a third pressing block is arranged on one side of the support plate, a third support block is mounted on one side of the support plate, and a third cylinder is arranged on one side of the support plate.

[0013] Preferably, a bearing is arranged on the bottom of the workbench, a third gasket is fixedly connected to the bottom of the workbench, and a fixing block is mounted on the bottom of the workbench.

[0014] Preferably, a connecting frame is clamped on the top of the workbench, and an adjusting frame is clamped on the inner wall of the connecting frame.

[0015] Compared with the prior art, the workbench has the following beneficial effects:

[0016] The first cylinder, the connecting block, the first support block, the first pressing block, the first pressing arm, the second cylinder, the second pressing block, the second support block, the third pressing block and the third support block are arranged, so that the vehicle body can be clamped in multiple directions during welding, the flexible welding fixture for multi-directional clamping can ensure that the workpiece remains stable during welding, displacement or deformation is avoided, accurate welding is facilitated, welding defects such as cracks and slag inclusion are reduced, and the welding quality and the manufacturing quality of the vehicle are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic view of a preferred embodiment of the flexible welding fixture for a vehicle body is provided.

[0018] Figure 2 A structure schematic view of a workbench and a bearing is provided.

[0019] Figure 3 A structure schematic view of a support plate and a support frame is provided.

[0020] Figure 4 A structure schematic view of a column and a second cylinder is provided.

[0021] In the figure: 1, workbench; 2, support plate; 3, support frame; 4, first cylinder; 5, connecting block; 6, first support block; 7, first pressing block; 8, first pressing arm; 9, first gasket; 10, support; 11, sensor; 12, column; 13, second cylinder; 14, mounting shaft; 15, positioning frame; 16, second gasket; 17, second pressing block; 18, second support block; 19, third pressing block; 20, third support block; 21, second pressing arm; 22, fourth support block; 23, bearing; 24, third gasket; 25, fixed block; 26, connecting frame; 27, adjusting frame; 28, third cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 As shown in the figure, a body flexible welding fixture, including workbench 1, through setting workbench 1, can be convenient for the fixed support plate 2, the top of workbench 1 is provided with support plate 2, through setting support plate 2, can be convenient for the fixed first support block 6, one side of support plate 2 is fixedly connected with support frame 3, through setting support frame 3, can be convenient for improving the stability of support plate 2, and the bottom of support frame 3 is clamped with the top of workbench 1, one side of support plate 2 is provided with sensor 11, through setting sensor 11, can be convenient for detecting the force, first cylinder 4 is set in one side of support plate 2, through setting first cylinder 4, can be convenient for driving first pressing block 7, the piston rod of first cylinder 4 is provided with first support block 6, through setting first support block 6, can be convenient for installing the body, one side of first support block 6 is provided with first pressing block 7 for pressing the body, one side of first support block 6 is provided with first pressing arm 8, through setting first pressing arm 8, can be convenient for connecting first pressing block 7, second pressing arm 21 is set in one side of support plate 2, through setting second pressing arm 21, can be convenient for fixing the body, one side of second pressing arm 21 is provided with fourth support block 22, through setting fourth support block 22, can be convenient for fixing the body.

[0024] One side of support plate 2 is provided with connecting block 5, through setting connecting block 5, can be convenient for installing first cylinder 4, one side of first pressing block 7 is fixedly connected with first gasket 9, through setting first gasket 9, can be convenient for connecting first pressing block 7, the outside of sensor 11 is fixedly connected with support 10, through setting support 10, can be convenient for fixing sensor 11.

[0025] The top of the workbench 1 is provided with a column 12, through the setting column 12, can be convenient for the second support block 18 is fixed, one side of the column 12 is provided with the second cylinder 13, through the setting second cylinder 13, can be convenient for the installation shaft 14 is rotated; the piston rod of the second cylinder 13 is provided with the installation shaft 14, through the setting installation shaft 14, can be convenient for the connection between the positioning frame 15, the outer side of the installation shaft 14 is fixedly connected with the positioning frame 15, through the setting positioning frame 15, can be convenient for the second gasket 16 is fixed, the lower side of the positioning frame 15 is fixedly connected with the second gasket 16 through the setting second gasket 16, can be convenient for the second pressure block 17 is installed, the lower side of the second gasket 16 is provided with the second pressure block 17, through the setting second pressure block 17, can be convenient for the car body is pressed, the upper side of the column 12 is provided with the second support block 18, through the setting second support block 18, can be convenient for the car body is installed.

[0026] The side of the support plate 2 is provided with the third pressure block 19, through the setting third pressure block 19, can be convenient for the car body is pressed, the side of the support plate 2 is installed with the third support block 20, through the setting third support block 20, can be convenient for the car body is installed, the side of the support plate 2 is provided with the third cylinder 28, through the setting third cylinder 28, can be convenient for the third pressure block 19 is driven.

[0027] The bottom of the workbench 1 is provided with bearing 23, through the setting bearing 23, can be convenient for the fixed block 25 is installed, the bottom of the workbench 1 is fixedly connected with the third gasket 24, through the setting third gasket 24, can be convenient for the car body is contacted, the bottom of the workbench 1 is installed with the fixed block 25, through the setting fixed block 25, can be convenient for the car body is installed.

[0028] The top of the workbench 1 is clamped with the connection frame 26, through the setting connection frame 26, can be convenient for the car body is limited, the inner wall of the connection frame 26 is clamped with the adjusting frame 27, through the setting adjusting frame 27, can be convenient for the car body is limited, and the position is adjusted according to the distance of the car body.

[0029] Working principle: in use, the vehicle body is placed at the first support block 6, the first air cylinder 4 is started, the first pressing arm 8 and the first pressing block 7 are driven to move, the vehicle body is pressed by the first pressing block 7, and the vehicle body can be placed at the second support block 18, the second air cylinder 13 is started at this time, the positioning frame 15 is driven to move, thereby driving the second gasket 16 to move, the second gasket 16 moves to drive the second pressing block 17 to move, thereby pressing the vehicle body, the third air cylinder 28 is started at the same time, the vehicle body is placed on one side of the fourth support block 22, the vehicle body is pressed and fixed by the third pressing block 19, the sensor 11 measures the clamping force at the same time, and the worker adjusts the position of the connecting frame 26 according to the vehicle body, and adjusts the position of the adjusting frame 27, and the determined position is clamped to the side of the vehicle body for limiting.

[0030] It should be noted that, in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0031] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flexible welding fixture for a vehicle body, comprising a worktable (1), characterized in that, Also include: Support plate (2) is arranged on the top of the workbench (1), one side of the support plate (2) is fixedly connected with support frame (3), and the bottom of the support frame (3) is clamped with the top of the workbench (1), one side of the support plate (2) is provided with sensor (11); The first cylinder (4) is arranged on one side of the support plate (2), the piston rod of the first cylinder (4) is provided with the first support block (6), one side of the first support block (6) is provided with the first pressing block (7) for pressing the car body, one side of the first support block (6) is provided with the first pressing arm (8); The second pressing arm (21) is arranged on one side of the support plate (2), one side of the second pressing arm (21) is provided with the fourth support block (22).

2. The flexible welding fixture for a vehicle body according to claim 1, characterized in that: One side of the support plate (2) is provided with a connecting block (5), one side of the first pressing block (7) is fixedly connected with a first gasket (9), and the outer side of the sensor (11) is fixedly connected with a support (10).

3. The flexible welding fixture of claim 1, wherein: The top of the workbench (1) is provided with a column (12), one side of the column (12) is provided with a second cylinder (13).

4. The flexible welding fixture of claim 3, wherein: The piston rod of the second cylinder (13) is provided with a mounting shaft (14), the outer side of the mounting shaft (14) is fixedly connected with a positioning frame (15), the lower side of the positioning frame (15) is fixedly connected with a second gasket (16), the lower side of the second gasket (16) is provided with a second pressing block (17), the upper side of the column (12) is provided with a second support block (18).

5. The flexible welding fixture of claim 1, wherein: One side of the support plate (2) is provided with a third pressing block (19), one side of the support plate (2) is provided with a third support block (20), and one side of the support plate (2) is provided with a third cylinder (28).

6. The flexible welding fixture of claim 1, wherein: The bottom of the workbench (1) is provided with a bearing (23), the bottom of the workbench (1) is fixedly connected with a third gasket (24), and the bottom of the workbench (1) is provided with a fixed block (25).

7. The flexible welding fixture of claim 1, wherein: The top of the workbench (1) is clamped with a connecting frame (26), and the inner wall of the connecting frame (26) is clamped with an adjusting frame (27).

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