CN210046211U

CN210046211U - Automobile body welding fixture

Info

Publication number: CN210046211U
Application number: CN201821203452.XU
Authority: CN
Inventors: 赵仕松
Original assignee: Guangzhou Chengfei Automobile Fixture Co Ltd
Current assignee: Guangzhou Chengfei Automobile Fixture Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2020-02-11
Anticipated expiration: 2028-07-27

Abstract

The utility model discloses an automobile body welding fixture, wherein a second connector is fixedly connected with a first swing arm, the first swing arm is provided with a first hinge hole, a second hinge hole and a third hinge hole, and the first connector is hinged with the first hinge hole; the second swing arm is provided with a fourth hinge hole and a fifth hinge hole, the third connector is hinged with the fifth hinge hole), the bottom of the fourth connector is hinged with the third hinge hole, and the top of the fourth connector is hinged with the fourth hinge hole; the third swing arm is arranged on the vertical plate on the opposite side of the second swing arm, the third swing arm is hinged to the upper portion of the fifth connector, and the bottom of the fifth connector is hinged to the vertical plate. The utility model discloses an automobile body welding jig, the welding jig who has avoided using standard structure can not realize the problem that compresses tightly the location of some work pieces, and maneuverability is stronger.

Description

Automobile body welding fixture

Technical Field

The utility model belongs to the anchor clamps field especially relates to an automobile body welding jig.

Background

At present, the welding of automobile bodies is an important process in automobile production, and in the welding production process of the automobile bodies, some clamps are often used for clamping and determining the positions of workpieces so as to better complete the welding of the automobile bodies.

The welding fixture for the car body is assembled by a plurality of machined parts, but in the actual welding process, for some car bodies, the welding fixture with a standard structure cannot realize compression positioning and cannot meet the clamping requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile body welding jig to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a welding fixture for an automobile body comprises a support, wherein a vertical plate is fixedly connected to the side wall of the support, a first clamping cylinder comprising a first cylinder body and a first piston rod is hinged to the lower side of the vertical plate, and a first connecting head with a double-lug plate is fixedly connected to the end part of the first piston rod;

the side wall of the vertical plate above the hinged part side of the first cylinder body and the vertical plate is hinged with one end of a second connector with a double-lug plate, the other end of the second connector is fixedly connected to the bottom of a first swing arm, one side of the first swing arm at the fixedly connected part is provided with a first hinge hole, a second hinge hole and a third hinge hole are arranged on the side and above the first hinge hole and in a triangular shape relative to the first hinge hole, and the first connector is hinged with the first hinge hole;

the second hinged hole is hinged with a second clamping cylinder comprising a second cylinder body and a second piston rod, and the end part of the second piston rod is fixedly connected with a third connector with a double-lug plate;

the bottom of the second swing arm is provided with a fourth hinge hole and a fifth hinge hole, the third connector is hinged with the fifth hinge hole, the bottom of the fourth connector is hinged with the third hinge hole, and the top of the fourth connector is hinged with the fourth hinge hole;

the third swing arm is arranged on the vertical plate on the opposite side of the second swing arm, the bottom of the third swing arm is hinged with the upper part of a fifth connector, the bottom of the fifth connector is hinged with the vertical plate, the vertical plate on the side is hinged with a third clamping cylinder comprising a third cylinder body and a third piston rod, the end part of the third piston rod is fixedly connected with a sixth connector with a double lug plate, and the sixth connector is hinged with the end part of the third swing arm;

the side walls, opposite to the first swing arm and the second swing arm, are provided with the pressing blocks, and the side walls, opposite to the vertical plate, of the bottom of the second swing arm, the top of the vertical plate and the second swing arm are provided with the pressing blocks.

Further, a first limiting block is arranged on the side wall of the first swing arm, and a first limiting groove is correspondingly arranged on the side wall of the vertical plate.

Further, a second limiting block is arranged at the bottom of the third swing arm, and a second limiting groove is correspondingly formed in the side wall of the vertical plate.

The utility model discloses an automobile body welding jig, the welding jig who has avoided using standard structure can not realize the problem that compresses tightly the location of some work pieces, and maneuverability is stronger.

Drawings

Fig. 1 is a schematic structural view of an automobile body welding jig provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first swing arm according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second swing arm according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a third swing arm provided in the embodiment of the present invention;

in the figure: 1. a support; 2. a vertical plate; 3. a first cylinder; 4. a first piston rod; 5. a first connector; 6. a first swing arm; 6-1, a first hinge hole; 6-2, a second hinge hole; 6-3, a third hinge hole; 7. a second cylinder block; 8. a second piston rod; 9. a third connector; 10. a second swing arm; 10-1, a fourth hinge hole; 10-2, a fifth hinge hole; 11. a fourth connector; 12. a first stopper; 13. a first limit groove; 14. a second connector; 15. a third cylinder; 16. a third piston rod; 17. a sixth connector; 18. a fifth connector; 19. a second limiting block; 20. a third swing arm; 21. a compression block; 22. a second limit groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3:

a vertical plate 2 is fixedly connected to the side wall of a support 1, a first clamping cylinder comprising a first cylinder body 3 and a first piston rod 4 is hinged to the lower portion of the side of the vertical plate 2, and a first connecting head 5 with double lug plates is fixedly connected to the end portion of the first piston rod 4; the side wall of the vertical plate 2 above the hinged side of the first cylinder body 3 and the vertical plate 2 is hinged with one end of a second connector 14 with a double-lug plate, the other end of the second connector 14 is fixedly connected to the bottom of the first swing arm 6, and the first clamping cylinder drives the first swing arm 6 to swing around a hinged shaft of the second connector 14 and the vertical plate 2;

the bottom of the first swing arm 6 is provided with a first hinge hole 6-1, a second hinge hole 6-2 and a third hinge hole 6-3 are arranged on the side and above the first hinge hole 6-1 and opposite to the first hinge hole 6-1 in a triangular mode, and the first connecting joint 5 is hinged to the first hinge hole 6-1; the second hinged hole 6-2 is hinged with a second clamping cylinder comprising a second cylinder body 7 and a second piston rod 8, and the end part of the second piston rod 8 is fixedly connected with a third connector 9 with a double-lug plate; the bottom of the second swing arm 10 is provided with a fourth hinge hole 10-1 and a fifth hinge hole 10-2, the third connector 9 is hinged with the fifth hinge hole 10-2, the bottom of the fourth connector 11 is hinged with the third hinge hole 6-3, and the top of the fourth connector 11 is hinged with the fourth hinge hole 10-1; the second clamping cylinder drives the second swing arm 10 to rotate around a joint shaft 10-1, and meanwhile, the fourth connector 11 can rotate around a joint shaft of the first swing arm 6 and the fourth connector 11, so that the opening angle of the second swing arm 10 is increased, and interference during part installation is avoided;

the third swing arm 20 is arranged on the vertical plate 2 at the opposite side of the second swing arm 10, the bottom of the third swing arm 20 is hinged with the upper part of the fifth connector 18, the bottom of the fifth connector 18 is hinged with the vertical plate 2, the side vertical plate 2 is hinged with a third clamping cylinder comprising a third cylinder 15 and a third piston rod 16, the end part of the third piston rod 16 is fixedly connected with a sixth connector 17 with a double-lug plate, and the sixth connector 17 is hinged with the end part of the third swing arm 20; the third clamping cylinder drives the third swing arm 20 to rotate around a hinge shaft of the third swing arm 20 and the fifth connector 18, and meanwhile, the fifth connector 18 can rotate around a hinge shaft of the fifth connector 18 and the vertical plate 2, so that the opening angle of the third swing arm 20 is increased, and interference during part installation is avoided;

the side wall of the first swing arm 6 opposite to the side wall of the second swing arm 10 is provided with a pressing block 21, the bottom of the second swing arm 10, the top of the vertical plate 2, the side wall of the second swing arm 10 opposite to the vertical plate 2 is provided with a pressing block 21, the side wall of the first swing arm 6 is provided with a first limiting block 12, the side wall of the vertical plate 3 is correspondingly provided with a first limiting groove 13, the bottom of the third swing arm 20 is provided with a second limiting block 19, the side wall of the vertical plate 3 is correspondingly provided with a second limiting groove 22, the first swing arm 6 is driven by a first clamping cylinder to drive the clamping block 21 to clamp the workpiece between the first swing arm 6 and the vertical plate 2, the second swing arm 10 is driven by a second clamping cylinder to drive the clamping block 21 to clamp the workpiece between the second swing arm 10 and the vertical plate 2, the third clamping cylinder is driven by a third swing arm 20 to drive the clamping block 21 to clamp the workpiece between the second swing arm 10 and the third, the operability is stronger.

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

Claims

1. A welding fixture for automobile bodies comprises a support (1), wherein a vertical plate (2) is fixedly connected to the side wall of the support (1), a first clamping cylinder comprising a first cylinder body (3) and a first piston rod (4) is hinged to the lower side of the vertical plate (2), a first connecting head (5) with double lug plates is fixedly connected to the end part of the first piston rod (4), and the welding fixture is characterized in that,

the side wall of the vertical plate (2) above the hinged side of the first cylinder body (3) and the vertical plate (2) is hinged with one end of a second connector (14) with a double-lug plate, the other end of the second connector (14) is fixedly connected to the bottom of the first swing arm (6), the bottom of the first swing arm (6) is provided with a first hinge hole (6-1), the side and the top of the first hinge hole (6-1) are provided with a second hinge hole (6-2) and a third hinge hole (6-3) in a triangular mode relative to the first hinge hole (6-1), and the first connector (5) is hinged with the first hinge hole (6-1);

a second clamping cylinder comprising a second cylinder body (7) and a second piston rod (8) is hinged to the second hinge hole (6-2), and a third connector (9) with a double-lug plate is fixedly connected to the end part of the second piston rod (8);

the bottom of the second swing arm (10) is provided with a fourth hinge hole (10-1) and a fifth hinge hole (10-2), the third connector (9) is hinged with the fifth hinge hole (10-2), the bottom of the fourth connector (11) is hinged with the third hinge hole (6-3), and the top of the fourth connector (11) is hinged with the fourth hinge hole (10-1);

the third swing arm (20) is arranged on the vertical plate (2) on the opposite side of the second swing arm (10), the bottom of the third swing arm (20) is hinged with the upper part of a fifth connector (18), the bottom of the fifth connector (18) is hinged with the vertical plate (2), the vertical plate (2) on the side is hinged with a third clamping cylinder comprising a third cylinder body (15) and a third piston rod (16), the end part of the third piston rod (16) is fixedly connected with a sixth connector (17) with double lug plates, and the sixth connector (17) is hinged with the end part of the third swing arm (20);

set up compact heap (21) on the relative lateral wall of first swing arm (6) and second swing arm (10), set up compact heap (21) on second swing arm (10) bottom, riser (2) top, second swing arm (10) and the relative lateral wall of riser (2).

2. The automobile body welding fixture as claimed in claim 1, characterized in that a first limiting block (12) is disposed on a side wall of the first swing arm (6), and a first limiting groove (13) is correspondingly disposed on a side wall of the vertical plate (2).

3. The automobile body welding fixture as claimed in claim 1, characterized in that a second limiting block (19) is disposed at the bottom of the third swing arm (20), and a second limiting groove (22) is correspondingly disposed on the sidewall of the vertical plate (2).