CN219336567U

CN219336567U - Positioning mechanism for welding car body

Info

Publication number: CN219336567U
Application number: CN202223438927.2U
Authority: CN
Inventors: 张余广; 何志强; 王迪; 矫晶; 刘东旭
Original assignee: Changchun Dazheng Automatic Equipment Co ltd
Current assignee: Changchun Dazheng Automatic Equipment Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-07-14
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a positioning mechanism for welding a vehicle body, which comprises a base plate and fixing rods, wherein connecting rods are fixedly arranged between the fixing rods, and a positioning mechanism for welding parts on the vehicle body is arranged between the connecting rods; the positioning mechanism comprises a device plate, a strip-shaped groove is formed in the outer surface of the device plate, a screw rod is arranged on the inner wall of the strip-shaped groove in a rotating mode, a sliding block is arranged on the inner wall of the strip-shaped groove in a sliding mode, a connecting plate is fixedly arranged on the outer surface of the sliding block, a first rotating plate is arranged on the outer surface of the connecting plate in a rotating mode, a folding expansion bracket and a second rotating plate are fixedly arranged on the outer surface of the first rotating plate, and a clamping mechanism for clamping parts is arranged on the outer surface of the second rotating plate. According to the utility model, the positioning mechanism is arranged, so that the position of a part during welding of the vehicle body can be adjusted, the clamping position of the part can be flexibly adjusted according to the type and the size of the vehicle body, the welding operation is convenient, and the clamping mechanism is arranged, so that the distance between the two L-shaped clamping plates can be adjusted according to the size of the part for clamping.

Description

Positioning mechanism for welding car body

Technical Field

The utility model relates to the technical field of automobiles, in particular to a positioning mechanism for welding an automobile body.

Background

The automobile body mainly protects a driver and forms a good aerodynamic environment. The good car body not only can bring better performance, but also can show the individuality of the car owner. In the manufacturing process of the automobile body, a plurality of parts are required to be welded and spliced, and the welding of the automobile body is often called assembly welding, namely, the punched parts are assembled and welded into the white automobile body meeting the requirements, and a positioning mechanism is required to be used in the process.

The existing car body positioning mechanism is often a positioning tool fixed on a base plate, an adjusting mechanism for adjusting the position of the positioning tool is lacked on the base plate, and when welding, for example, a fender and a mud guard, the welding positions of parts are different due to different sizes of car sizes of different car types, so that the positioning mechanism needs to be replaced to weld, and the welding work is not facilitated. Therefore, the utility model provides a positioning mechanism for welding a vehicle body, which can adjust the position of a clamping mechanism.

Disclosure of Invention

The utility model aims to provide a positioning mechanism for welding a vehicle body, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning mechanism for welding the vehicle body comprises a base plate and four fixing rods which are fixedly arranged on the upper surface of the base plate and are arranged in a matrix, connecting rods are fixedly arranged between the fixing rods, and a positioning mechanism for welding parts on the vehicle body is arranged between the connecting rods;

the positioning mechanism comprises a device plate which is arranged between two connecting rods through rotation of a rotating rod, a strip-shaped groove is formed in the outer surface of the device plate, a screw rod is arranged on the inner wall of the strip-shaped groove in a rotating mode, a sliding block is arranged on the inner wall of the strip-shaped groove in a sliding mode, a threaded hole which is in threaded connection with the outer surface of the screw rod is formed in the outer surface of the sliding block, a connecting plate is fixedly arranged on the outer surface of the sliding block, a first rotating plate is arranged on the outer surface of the connecting plate through rotation of the rotating rod, a folding expansion bracket is fixedly arranged on the outer surface of the first rotating plate, the positioning mechanism further comprises a second rotating plate which is connected with the first rotating plate through the folding expansion bracket, and a clamping mechanism for clamping parts is arranged on the outer surface of the second rotating plate;

the clamping mechanism comprises a strip-shaped sliding groove formed in the surface of the second rotating plate, a bidirectional screw rod is rotatably arranged on the inner wall of the strip-shaped sliding groove, two sliding plates are slidably arranged on the inner wall of the strip-shaped sliding groove, threaded holes in threaded connection with the outer surfaces of the bidirectional screw rod are formed in the outer surfaces of the two sliding plates, and L-shaped clamping plates are fixedly arranged on the outer surfaces of the two sliding plates.

Preferably, both ends of the rotating rod are rotatably disposed on the outer surfaces of the device plate and the connecting rod, respectively.

Preferably, the outer surface rotation of device board is provided with the rotating handle that is used for controlling the lead screw pivoted, and the outer surface rotation of second rotating plate is provided with the rocking handle that is used for controlling two-way lead screw pivoted, and the position of fixture can be adjusted better to welding staff can be helped to the setting of rotating handle and rocking handle.

Preferably, the inner side surface of L shape splint is provided with the rubber gasket, prevents that L shape splint from causing the damage to spare part when the centre gripping spare part.

Preferably, the lower surface of the base plate is provided with a plurality of universal wheels, which facilitate movement of the device.

Preferably, the two ends of the rotating rod are respectively rotatably arranged on the outer surfaces of the connecting plate and the first rotating plate.

Advantageous effects

The utility model provides a positioning mechanism for welding a vehicle body, which has the following beneficial effects:

1. according to the positioning mechanism for welding the automobile body, the positioning mechanism is arranged, so that the position of a part during welding the automobile body can be adjusted, the clamping position of the part can be flexibly adjusted according to the type and the size of the automobile body, and the welding operation is facilitated.

2. This positioning mechanism for automobile body welding through setting up fixture, can adjust the distance between two L shape splint in order to carry out the centre gripping according to the size of spare part, convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side sectional view of a device plate according to the present utility model;

FIG. 3 is a schematic view of the three-dimensional structure of the folding telescopic frame of the present utility model;

FIG. 4 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 5 is a schematic side sectional view of the holding mechanism of the present utility model.

In the figure: 1 base plate, 2 dead levers, 3 connecting rods, 4 dwang, 5 device boards, 6 lead screws, 7 sliding blocks, 8 connecting plates, 9 rotating rods, 10 first rotating plates, 11 folding expansion brackets, 12 second rotating plates, 13 bidirectional lead screws, 14 sliding plates and 15L-shaped clamping plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a positioning mechanism for automobile body welding, includes bed plate 1, and the lower surface of bed plate 1 is provided with a plurality of universal wheels to and set firmly four dead levers 2 that are the matrix arrangement at bed plate 1 upper surface, set firmly four connecting rods 3 between the dead levers 2, four connecting rods 3 are with four dead levers 2 connection setting, are provided with the positioning mechanism that is used for carrying out spare part welding on the automobile body between the connecting rods 3;

the positioning mechanism comprises a device plate 5 which is arranged between two connecting rods 3 in a rotating way through a rotating rod 4, two ends of the rotating rod 4 are respectively arranged on the outer surfaces of the device plate 5 and the connecting rods 3 in a rotating way, a strip-shaped groove is formed in the outer surface of the device plate 5, a screw rod 6 is rotationally arranged on the inner wall of the strip-shaped groove, a sliding block 7 is slidably arranged on the inner wall of the strip-shaped groove, a threaded hole which is in threaded connection with the outer surface of the screw rod 6 is formed in the outer surface of the sliding block 7, a rotating handle for controlling the screw rod 6 to rotate is rotationally arranged on the outer surface of the device plate 5, a connecting plate 8 is fixedly arranged on the outer surface of the sliding block 7, a first rotating plate 10 is rotationally arranged on the outer surface of the connecting plate 8 through a rotating rod 9, a folding telescopic frame 11 is respectively arranged on the outer surfaces of the connecting plate 8 and the first rotating plate 10 in a rotating way, a motor for driving the folding telescopic frame 11 to do telescopic motion is arranged on the outer surface of the device plate 5, the positioning mechanism also comprises a second rotating plate 12 which is connected with the outer surface of the first rotating plate 10 through the folding telescopic frame 11, and a clamping mechanism for clamping parts is arranged on the outer surface of the second rotating plate 12, and the clamping mechanism is capable of being used for clamping the parts and can be welded at the positions of the parts and the flexible size and the parts and the size of the parts and the vehicle body can be welded according to the type of the position and the position of the positioning mechanism is convenient to be welded and the position and the type of the parts;

the fixture is including seting up the bar spout at second rotor plate 12 surface, bar spout inner wall rotation is provided with two-way lead screw 13, the inner wall slip of bar spout is provided with two sliding plates 14, the screw hole with two-way lead screw 13 surface threaded connection is all seted up to the surface of two sliding plates 14, the surface rotation of second rotor plate 12 is provided with the rocking handle that is used for controlling two-way lead screw 13 pivoted, the surface of two sliding plates 14 has all set firmly L shape splint 15, the inboard surface of L shape splint 15 is provided with the rubber gasket, through setting up fixture, can adjust the distance between two L shape splint 15 in order to carry out the centre gripping according to the size of spare part, convenient to use.

The operation steps are as follows: when the positioning mechanism is used for welding a vehicle body, firstly, parts to be welded are clamped on the positioning mechanism through the clamping mechanism, the parts are placed between the two L-shaped clamping plates 15, the rotation rocking handle controls the bidirectional screw rod 13 to rotate, due to the action principle of the bidirectional screw rod 13, the two sliding plates 14 are mutually close to drive the two L-shaped clamping plates 15 to clamp the parts, the position of the clamped parts is adjusted according to the welding position of the parts and the vehicle body, the left and right positions of the clamping mechanism can be adjusted through the rotating device plate 5, the direction of the clamping mechanism can be adjusted through rotating the first rotating plate 10, the upper and lower positions of the clamping mechanism can be adjusted through rotating the rotating handle control screw rod 6, the extension and shortening of the folding telescopic frame 11 can be controlled, and the front and rear positions of the clamping mechanism can be controlled. According to the utility model, the positioning mechanism is arranged, so that the position of a part during welding of the vehicle body can be adjusted, the clamping position of the part can be flexibly adjusted according to the type and the size of the vehicle body, the welding operation is convenient, and the clamping mechanism is arranged, so that the distance between the two L-shaped clamping plates 15 can be adjusted according to the size of the part to clamp, and the welding fixture is convenient to use.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning mechanism for automobile body welding, includes bed plate (1) to and set firmly four dead levers (2) that are matrix arrangement at bed plate (1) upper surface, set firmly connecting rod (3), its characterized in that between dead lever (2): a positioning mechanism for welding parts on the vehicle body is arranged between the connecting rods (3);

the positioning mechanism comprises a device plate (5) which is rotatably arranged between two connecting rods (3) through a rotating rod (4), a strip-shaped groove is formed in the outer surface of the device plate (5), a screw rod (6) is rotatably arranged on the inner wall of the strip-shaped groove, a sliding block (7) is slidably arranged on the inner wall of the strip-shaped groove, a threaded hole which is in threaded connection with the outer surface of the screw rod (6) is formed in the outer surface of the sliding block (7), a connecting plate (8) is fixedly arranged on the outer surface of the sliding block (7), a first rotating plate (10) is rotatably arranged on the outer surface of the connecting plate (8) through a rotating rod (9), a folding telescopic bracket (11) is fixedly arranged on the outer surface of the first rotating plate (10), the positioning mechanism further comprises a second rotating plate (12) which is connected with the first rotating plate (10) through the folding telescopic bracket (11), and a clamping mechanism for clamping parts is arranged on the outer surface of the second rotating plate (12);

the clamping mechanism comprises a strip-shaped sliding groove formed in the surface of a second rotating plate (12), a bidirectional screw rod (13) is rotatably arranged on the inner wall of the strip-shaped sliding groove, two sliding plates (14) are slidably arranged on the inner wall of the strip-shaped sliding groove, threaded holes in threaded connection with the outer surfaces of the bidirectional screw rod (13) are formed in the outer surfaces of the two sliding plates (14), and L-shaped clamping plates (15) are fixedly arranged on the outer surfaces of the two sliding plates (14).

2. The positioning mechanism for welding a vehicle body according to claim 1, wherein: the two ends of the rotating rod (4) are respectively and rotatably arranged on the outer surfaces of the device plate (5) and the connecting rod (3).

3. The positioning mechanism for welding a vehicle body according to claim 1, wherein: the outer surface of the device plate (5) is rotatably provided with a rotating handle for controlling the screw rod (6) to rotate, and the outer surface of the second rotating plate (12) is rotatably provided with a rocking handle for controlling the bidirectional screw rod (13) to rotate.

4. The positioning mechanism for welding a vehicle body according to claim 1, wherein: the inner side and the outer surface of the L-shaped clamping plate (15) are provided with rubber gaskets.

5. The positioning mechanism for welding a vehicle body according to claim 1, wherein: the lower surface of the base plate (1) is provided with a plurality of universal wheels.

6. The positioning mechanism for welding a vehicle body according to claim 1, wherein: the two ends of the rotating rod (9) are respectively rotatably arranged on the outer surfaces of the connecting plate (8) and the first rotating plate (10).