Tool clamp for assisting welding of automobile support assembly

Abstract

The utility model discloses an automobile support assembly welding assisting tool clamp which comprises a base plate, connecting plates are arranged on the two sides of the base plate, a vertical plate is connected between the two connecting plates in a rotating mode, a first air cylinder is connected to one side of the vertical plate in a rotating mode, and the end, away from the vertical plate, of the first air cylinder is connected with the base plate in a rotating mode. A side plate is arranged on one side of the connecting plate, a first clamping assembly is arranged on the side, close to the center of the base plate, of the side plate, and a plurality of second clamping assemblies are arranged on the side, close to the side plate, of the vertical plate. By means of the second air cylinder, the wrap angle can descend, the top of a bent part can be pressed and fixed, the device can stably clamp the bent part, the vertical plate can be rotated by means of matched use of the first air cylinder and the connecting plate, the included angle between the vertical plate and the base plate can be conveniently adjusted, and therefore the bent part can be stably clamped. And therefore, the device is suitable for bending pieces with different bending angles, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling fixtures, in particular to a tooling fixture for auxiliary welding of an automobile bracket assembly. Background Art

[0002] Fixtures are process devices used to quickly fasten workpieces during processing to keep the machine tool, tool and workpiece in the correct relative position. Fixtures are indispensable parts of mechanical processing. Driven by the development of machine tool technology towards high speed, high efficiency, precision, composite, intelligent and environmentally friendly, fixture technology is developing towards high precision, high efficiency, modular, combined, universal and economical directions. Welding fixtures are one of many fixtures. Welding fixtures are a set of flexible fixtures for welding, fixing, pressing and positioning. They are mainly used for welding various weldable materials, large, medium and small materials.

[0003] The application of welding fixtures is very extensive. In the welding process of automobile support assembly, it is often necessary to use fixtures to fix the upper parts of the automobile bracket to perform auxiliary welding. In the prior art, Chinese patent CN218426594U discloses a fixture for auxiliary welding of automobile bracket assembly, including a bearing box and an automobile bracket assembly body, the outer surface of the bearing box is fixedly installed with a fixing box, and the inner wall of the bearing box is fixedly installed with a support rod. The fixture for auxiliary welding of automobile bracket assembly is provided with a clamping component. After the clamping component is used, the two ends of the automobile bracket assembly body placed on the bearing box can be clamped and fixed at the same time, so that the automobile bracket assembly body can be in the center position on the bearing box, rather than on the left or right, which is conducive to welding the automobile bracket assembly body. By setting an adjustment component, after the adjustment component is used, the bearing box and the automobile bracket assembly body can be driven to rotate, and the welding angle of the automobile bracket assembly body can be adjusted, which is convenient for welding, and solves the problem of affecting welding when it is not in the middle position after clamping.

[0004] However, the auxiliary tooling fixture for welding the automobile bracket assembly provided in the above technical solution still has many disadvantages in actual use. For example, the clamping points of the bracket parts are in the same plane, which makes the clamping stability poor when fixing the bent parts on the automobile bracket, thereby affecting the welding of the bracket and resulting in poor applicability. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problem that the clamping points of the existing automobile bracket assembly welding fixture for the bracket parts are in the same plane, resulting in poor clamping stability when fixing the bent parts on the automobile bracket, thereby affecting the welding of the bracket and resulting in poor applicability, the utility model adopts the following technical solution.

[0007] A tooling fixture for auxiliary welding of an automobile bracket assembly includes a base plate, connecting plates are provided on both sides of the base plate, the connecting plates and the base plate form an integrated structure, a vertical plate is rotatably connected between the two connecting plates, a first cylinder is rotatably connected to one side of the vertical plate, an end of the first cylinder away from the vertical plate is rotatably connected to the base plate, a side plate is provided on one side of the connecting plate, the side plate and the base plate are fixedly connected, a first clamping assembly is provided on the side of the side plate close to the center of the base plate, and a plurality of second clamping assemblies are provided on the side of the vertical plate close to the side plate.

[0008] Preferably, the first clamping assembly comprises an electric push rod, a first electric slide rail and a C-shaped frame, the electric push rod is fixedly connected to one side of the side plate close to the center of the base plate, and the end of the electric push rod is fixedly connected to the C-shaped frame.

[0009] Preferably, a threaded rod is threadedly connected to the top of the C-shaped frame, and the threaded rod passes through the top of the C-shaped frame, and a gasket is fixedly connected to the end of the threaded rod.

[0010] Preferably, the second connecting assembly comprises a second cylinder and a wrap angle, the end of the second cylinder is threadedly connected with the wrap angle, and the wrap angle can be moved up and down by utilizing the second cylinder.

[0011] Preferably, a threaded hole is provided on the front side of the wrap angle, and a pressure rod is threadedly connected to the wrap angle through the threaded hole.

[0012] Preferably, the end of the second cylinder away from the wrap angle is fixedly connected to a movable frame, the vertical plate is provided with a second electric slide rail for the movable frame to slide, the movable frame and the second electric slide rail are connected by a slider, and one side of the movable frame is in contact with one side of the vertical plate.

[0013] Preferably, a rubber pad is fixedly connected to the bottom of the substrate, and mounting holes are provided at four corners of the substrate, and the rubber pad and the mounting holes are symmetrical about the vertical center line of the substrate.

[0014] Beneficial Effects

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can move the first electric slide rail toward the center of the base plate through the electric push rods on the side panels on both sides, and can clamp and fix the bottom of the bending part by using the C-frame. The second cylinder can lower the wrap angle, so that the top of the bending part can be pressed and fixed, so that the device can stably clamp the bending part. The coordinated use of the first cylinder and the connecting plate can rotate the vertical plate, which is convenient for adjusting the angle between the vertical plate and the base plate, so that the device can be suitable for bending parts with different bending angles, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the rear end three-dimensional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the first clamping assembly of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the second clamping assembly of the utility model;

[0021] Figure 5 It is a schematic diagram of the assembly structure of the utility model when in use.

[0022] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0023] 1. Base plate; 2. Connecting plate; 3. Vertical plate; 4. First cylinder; 5. Side plate; 6. Electric push rod; 7. First electric slide rail; 8. C-shaped frame; 9. Threaded rod; 10. Gasket; 11. Second cylinder; 12. Wrap angle; 13. Movable frame; 14. Second electric slide rail; 15. Press rod; 16. Rubber pad; 17. Mounting hole. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment: a welding auxiliary tooling fixture for an automobile bracket assembly, including a base plate 1, a rubber pad 16 is fixedly connected to the bottom of the base plate 1, and mounting holes 17 are opened at the four corners of the base plate 1. The rubber pad 16 and the mounting hole 17 are symmetrical about the vertical center line of the base plate 1. The device can be placed on the external horizontal plane and propped up by the rubber pad 16 to prevent wear between the bottom surface of the base plate 1 and the external horizontal plane. The base plate 1 can be fixed to the horizontal plane by using the mounting holes 17 and bolts to complete the installation of the device.

[0028] In this embodiment, connecting plates 2 are provided on both sides of the base plate 1, and the connecting plates 2 and the base plate 1 form an integrated structure. A vertical plate 3 is rotatably connected between the two connecting plates 2, and a first cylinder 4 is rotatably connected to one side of the vertical plate 3. The end of the first cylinder 4 away from the vertical plate 3 is rotatably connected to the base plate 1. By using the first cylinder 4 and the connecting plates 2 in combination, the vertical plate 3 can be rotated, which is convenient for adjusting the angle between the vertical plate 3 and the base plate 1, so that the device can be used for bending parts with different bending angles, thereby improving the applicability of the device.

[0029] In this embodiment, a side plate 5 is provided on one side of the connecting plate 2, and the side plate 5 is fixedly connected to the base plate 1. An electric push rod 6 is fixedly connected to the side of the side plate 5 close to the center of the base plate 1, and the end of the electric push rod 6 is fixedly connected to the C-frame 8. The first electric slide rail 7 can be moved toward the center of the base plate 1 through the electric push rods 6 on the side plates 5 on both sides. With the use of the C-frame 8, the bottom of the bending part can be clamped and fixed. The first electric slide rail 7 and the slider are used in combination to make the C-frame 8 move horizontally, which is convenient for adjusting the position of the C-frame 8 and changing the clamping point. The top of the C-frame 8 is threadedly connected with a threaded rod 9, and the threaded rod 9 passes through the top of the C-frame 8. The end of the threaded rod 9 is fixedly connected with a gasket 10. The threaded rod 9 is rotated to make the gasket 10 descend. The edge of the bending part can be pressed by the gasket 10, thereby improving the stability of the device in clamping the bottom of the bending part.

[0030] The second cylinder 11 is provided with a plurality of second cylinders 11 and a plurality of wrapping angles 12 on one side of the vertical plate 3 close to the side plate 5. The end of the second cylinder 11 is threadedly connected with the wrapping angle 12. The wrapping angle 12 can be moved up and down by using the second cylinder 11. A second electric slide rail 14 for sliding the movable frame 13 is provided on the vertical plate 3. The movable frame 13 is connected to the second electric slide rail 14 by a slider. One side of the movable frame 13 is fitted with one side of the vertical plate 3. The wrapping angle 12 can be lowered by using the second cylinder 11, so that the top of the bending part can be pressed and fixed. The coordinated use of the second electric slide rail 14 and the slider can make the movable frame 13 move, so as to facilitate the adjustment of the position of the second cylinder 11 and the wrapping angle 12. A threaded hole is provided on the front side of the wrapping angle 12. The wrapping angle 12 is threadedly connected with a pressure rod 15 through the threaded hole. The pressure rod 15 is rotated to press the top of the bending part against one side of the vertical plate 3, thereby improving the stability of the device in clamping the top of the bending part, so that the device can stably clamp the bending part.

[0031] Working principle: When using the device, firstly, the device can be placed on the external horizontal plane through the rubber pad 16 to prop it up, so as to prevent wear between the bottom surface of the substrate 1 and the external horizontal plane. The substrate 1 can be fixed to the horizontal plane by using the mounting holes 17 and the bolts to complete the installation of the device. The bending parts to be clamped are placed on the substrate 1. The electric push rods 6 on the side panels 5 on both sides can move the first electric slide rail 7 toward the center of the substrate 1. With the use of the C-frame 8, the bottom of the bending parts can be clamped and fixed. The first electric slide rail 7 and the slider can be used to move the C-frame 8 horizontally, so as to adjust the position of the C-frame 8, change the clamping point, and rotate the threaded rod 9 to make the gasket 10 drop. The gasket 10 can be used to The edge of the bending part can be pressed down, and the stability of the bottom clamping of the bending part by the device is improved. The second cylinder 11 can be used to make the corner 12 drop, so that the top of the bending part can be pressed and fixed. The second electric slide rail 14 and the slider can be used together to move the movable frame 13, which is convenient for adjusting the position of the second cylinder 11 and the corner 12. The pressure rod 15 is rotated to press the top of the bending part on one side of the vertical plate 3, so as to improve the stability of the top clamping of the bending part by the device, so that the device can stably clamp the bending part. The first cylinder 4 and the connecting plate 2 can be used together to make the vertical plate 3 rotate, so as to adjust the angle between the vertical plate 3 and the base plate 1, so that the device can be suitable for bending parts with different bending angles, thereby improving the applicability of the device.

[0032] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A tooling fixture for auxiliary welding of an automobile bracket assembly, comprising a base plate (1), characterized in that: A connecting plate (2) is provided on both sides of the base plate (1), and the connecting plate (2) and the base plate (1) form an integrated structure. A vertical plate (3) is rotatably connected between the two connecting plates (2), and a first cylinder (4) is rotatably connected to one side of the vertical plate (3). An end of the first cylinder (4) away from the vertical plate (3) is rotatably connected to the base plate (1). A side plate (5) is provided on one side of the connecting plate (2), and the side plate (5) is fixedly connected to the base plate (1). A first clamping assembly is provided on a side of the side plate (5) close to the center of the base plate (1), and a plurality of second clamping assemblies are provided on a side of the vertical plate (3) close to the side plate (5).

2. The auxiliary fixture for welding of automobile bracket assembly according to claim 1 is characterized in that: The first clamping assembly comprises an electric push rod (6), a first electric slide rail (7) and a C-shaped frame (8); the electric push rod (6) is fixedly connected to one side of the side plate (5) close to the center of the base plate (1); and the end of the electric push rod (6) is fixedly connected to the C-shaped frame (8).

3. The auxiliary tooling fixture for welding of automobile bracket assembly according to claim 2 is characterized in that: The top of the C-shaped frame (8) is threadedly connected to a threaded rod (9), and the threaded rod (9) passes through the top of the C-shaped frame (8), and the end of the threaded rod (9) is fixedly connected to a gasket (10).

4. The auxiliary welding fixture for automobile bracket assembly according to claim 3 is characterized in that: The second clamping assembly comprises a second cylinder (11) and a wrap angle (12); the end of the second cylinder (11) is threadedly connected to the wrap angle (12); the wrap angle (12) can be moved up and down by utilizing the second cylinder (11).

5. The auxiliary welding fixture for automobile bracket assembly according to claim 4 is characterized in that: A threaded hole is provided on the front side of the wrap angle (12), and a pressure rod (15) is threadedly connected to the wrap angle (12) through the threaded hole.

6. The auxiliary fixture for welding of automobile bracket assembly according to claim 5, characterized in that: A movable frame (13) is fixedly connected to one end of the second cylinder (11) away from the wrap angle (12); a second electric slide rail (14) is provided on the vertical plate (3) for the movable frame (13) to slide; the movable frame (13) and the second electric slide rail (14) are connected via a slider; one side of the movable frame (13) is in contact with one side of the vertical plate (3).

7. The auxiliary welding fixture for automobile bracket assembly according to any one of claims 1 to 6, characterized in that: A rubber pad (16) is fixedly connected to the bottom of the base plate (1), and mounting holes (17) are provided at four corners of the base plate (1), and the rubber pad (16) and the mounting holes (17) are symmetrical about the vertical center line of the base plate (1).

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