Limiting block protection device of welding clamp unit

Abstract

The utility model discloses a limiting block protection device of a welding fixture unit, which comprises the welding fixture unit, limiting blocks are arranged on both sides of the welding fixture unit, a protection mechanism is arranged on the welding fixture unit, the protection mechanism comprises a fourth connecting block fixed on a base of the welding fixture unit, and the fourth connecting block is provided with a second connecting block fixed on the base of the welding fixture unit. A fixing block is fixed to the side face of the fourth connecting block, a first connecting block is rotationally connected to the fixing block, an air cylinder is installed at the top of the first connecting block, a second connecting block is installed at the top of a piston rod of the air cylinder, and a third connecting block is rotationally connected to the second connecting block; and protective covers are fixed to the two sides of the third connecting block correspondingly. Compared with the prior art, the protective mechanism is arranged, the air cylinder moves through the first connecting block and the second connecting block, so that the third connecting block is far away from the fourth connecting block, the protective cover protects the limiting block, the protective cover prevents welding slag from making contact with the limiting block, and the service life of the limiting block can be effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile welding, in particular to a limit block protection device of a welding fixture unit. Background Art

[0002] The first task of welding is to weld the car. It involves welding the car body parts together to form a stable and strong car body structure. Automobile welding uses various welding methods such as arc welding, spot welding, laser welding, etc.

[0003] The limiting parts of the existing automobile welding clamping unit are easily melted by welding slag and deformed during the long-term panel welding process, which reduces the service life of the clamping unit. There are certain shortcomings in its use. For this reason, we propose a limiting block protection device for the welding fixture unit. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a limit block protection device for a welding fixture unit.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A limit block protection device for a welding fixture unit comprises a welding fixture unit, limit blocks are installed on both sides of the welding fixture unit, a protection mechanism is installed on the welding fixture unit, the protection mechanism comprises a fourth connecting block fixed to the base of the welding fixture unit, a fixed block is fixed to the side of the fourth connecting block, a first connecting block is rotatably connected to the fixed block, a cylinder is installed on the top of the first connecting block, a second connecting block is installed on the top of the piston rod of the cylinder, a third connecting block is rotatably connected to the second connecting block, and protective covers are fixed on both sides of the third connecting block.

[0007] Preferably, the second connecting block is fixed to a fixture of the welding fixture unit.

[0008] Preferably, the limit block is located between the first connecting block and the second connecting block, and the limit block is located between two protective covers.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model sets a protection mechanism and utilizes a cylinder to move through the first connecting block and the second connecting block, so that the third connecting block is away from the fourth connecting block, and the protective cover protects the limit block. The protective cover prevents welding slag from contacting the limit block, and can effectively increase the service life of the limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1This is a schematic diagram of the installation of a limit block protection device for a welding fixture unit proposed by the utility model;

[0012] Figure 2 for Figure 1 Axonometric view of the center protection mechanism.

[0013] In the figure: 1 welding fixture unit, 2 limit block, 3 protection mechanism, 31 fixed block, 32 first connecting block, 33 cylinder, 34 second connecting block, 35 third connecting block, 36 fourth connecting block, 37 protective cover. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0015] Reference Figure 1-2 A limit block protection device for a welding fixture unit comprises a welding fixture unit 1, limit blocks 2 are installed on both sides of the welding fixture unit 1, a protection mechanism 3 is installed on the welding fixture unit 1, and the protection mechanism 3 comprises a fourth connection block 36 fixed on the base of the welding fixture unit 1, a fixed block 31 is fixed on the side of the fourth connection block 36, a first connection block 32 is rotatably connected to the fixed block 31, a cylinder 33 is installed on the top of the first connection block 32, a second connection block 34 is installed on the top of the piston rod of the cylinder 33, and a second connection block 34 is installed on the second connection block 34 A third connecting block 35 is rotatably connected, and the third connecting block 35 is fixed to the clamp of the welding fixture unit 1. Protective covers 37 are fixed on both sides of the third connecting block 35. The limit block 2 is located between the first connecting block 32 and the third connecting block 35. The limit block 2 is located between the two protective covers 37. By setting a protective mechanism, the cylinder is used to move through the first connecting block and the second connecting block, so that the third connecting block is away from the fourth connecting block, and the protective cover protects the limit block. The protective cover prevents the welding slag from contacting the limit block, which can effectively improve the service life of the limit block.

[0016] When in use, the welding fixture unit 1 clamps the automobile parts, starts the cylinder 33, and the piston rod of the cylinder 33 drives the second connecting block 34. The second connecting block 34 moves through the third connecting block 35. The third connecting block 35 drives the protective cover 37. The protective cover 37 is used to protect the limit block 2 to prevent the welding slag from contacting the limit block during welding, thereby increasing the service life of the limit block. After welding is completed, the cylinder 33 is started in reverse, and the piston rod of the cylinder 33 retracts, so that the second connecting block 34 drives the third connecting block 35, and the limit block 2 is used for limiting.

[0017] To sum up, compared with the prior art, the utility model sets up a protection mechanism and utilizes the cylinder to move through the first connecting block and the second connecting block, so that the third connecting block is away from the fourth connecting block, and the protective cover protects the limit block. The protective cover prevents the welding slag from contacting the limit block, which can effectively improve the service life of the limit block.

[0018] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A limit block protection device for a welding fixture unit, comprising a welding fixture unit (1), characterized in that: Limit blocks (2) are installed on both sides of the welding fixture unit (1); a protection mechanism (3) is installed on the welding fixture unit (1); the protection mechanism (3) comprises a fourth connection block (36) fixed on the base of the welding fixture unit (1); a fixed block (31) is fixed on the side of the fourth connection block (36); a first connection block (32) is rotatably connected to the fixed block (31); a cylinder (33) is installed on the top of the first connection block (32); a second connection block (34) is installed on the top of the piston rod of the cylinder (33); a third connection block (35) is rotatably connected to the second connection block (34); and protective covers (37) are fixed on both sides of the third connection block (35).

2. A limit block protection device for a welding fixture unit according to claim 1, characterized in that: The second connecting block (34) is fixed to a clamp of the welding clamp unit (1).

3. A limit block protection device for a welding fixture unit according to claim 1, characterized in that: The limit block (2) is located between the first connection block (32) and the second connection block (34), and the limit block (2) is located between two protective covers (37).

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