CN216990591U

CN216990591U - Clamping mechanism for automobile welding fixture

Info

Publication number: CN216990591U
Application number: CN202220358940.8U
Authority: CN
Inventors: 钱宏文
Original assignee: Hubei Hongzhen Automobile Technology Co ltd
Current assignee: Hubei Hongzhen Automobile Technology Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-19
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to the technical field of automobile welding clamps, and particularly discloses a clamping mechanism for an automobile welding clamp. The on-line screen storage device comprises a base, the symmetry is equipped with clamping device on the base, clamping device includes that the support of rigid coupling on the base and rotates the first post of rotating of connection on the support, first rotation post both sides all articulate there is the connecting rod, the connecting rod expansion end all articulates there is the centre gripping subassembly that is used for centre gripping automobile parts, the centre gripping subassembly includes that the symmetry rotates the second of connection on the support and rotates the post and the symmetry sets up the grip block in second rotation post one side, the second rotates the post and keeps away from one side of grip block and articulated mutually respectively with the connecting rod, it is equipped with the slider who is located first rotation post below to slide on the base, equal rigid coupling has the dwang articulated with slider on the first rotation post, be equipped with the drive arrangement who is used for slider reciprocating motion on the base. The clamping mechanism for the automobile welding fixture is simple and reasonable in structure and easy to operate and use.

Description

Clamping mechanism for automobile welding fixture

Technical Field

The application relates to the technical field of automobile welding fixtures, and particularly discloses a clamping mechanism for an automobile welding fixture.

Background

With the acceleration of the industrialization process, the automatic welding manipulator is widely applied to automobile parts. How to improve the production efficiency and fully exert the potential of the automatic welding manipulator is an important subject faced by each manufacturer introducing the automatic welding manipulator.

Present welding jig all exists with single independence, all needs independent control, and the structure is complicated, and the workman is difficult for the shang and is inconvenient for operate, and then leads to production efficiency low. Accordingly, the present inventors have provided a clamping mechanism for an automobile welding jig to solve the above-described problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the traditional clamping mechanism is single and independent and is inconvenient to operate because the traditional clamping mechanism needs to be controlled independently.

In order to achieve the purpose, the basic scheme of the utility model provides a clamping mechanism for an automobile welding fixture, which comprises a base, wherein the base is symmetrically provided with clamping devices, each clamping device comprises a support fixedly connected to the base and a first rotating column rotatably connected to the support, two sides of each first rotating column are hinged with connecting rods, movable ends of the connecting rods are hinged with clamping components for clamping automobile parts, each clamping component comprises a second rotating column rotatably connected to the support symmetrically and a clamping plate symmetrically arranged on one side of the second rotating column, one side, far away from the clamping plate, of each second rotating column is hinged with the connecting rods respectively, the base is provided with sliding devices located below the first rotating columns in a sliding mode, the first rotating columns are fixedly connected with rotating rods hinged to the sliding devices, and the base is provided with a driving device for reciprocating movement of the sliding devices.

The principle and effect of this basic scheme lie in:

1. the driving device is arranged to enable the sliding device to slide on the base, the sliding device drives the rotating rod to rotate when moving, so that the first rotating column is driven to rotate, the connecting rods on two sides of the first rotating column pull the symmetrically arranged second rotating columns to rotate, and the clamping plates on the second rotating columns are gradually close to each other to generate clamping force on automobile parts.

2. The driving device is arranged to control the sliding direction of the sliding device, so that a worker can quickly clamp and release the clamping plate through the driving device, and the operation is convenient, thereby improving the production efficiency.

Compared with the prior art, the automobile part clamping device has the advantages that the driving device and the sliding device are arranged, so that the automobile parts are quickly clamped by the first rotating columns during welding, the mechanism is simple, workers can easily get hands, and the problem that the traditional clamping mechanism is singly independent and is inconvenient to operate due to the fact that the traditional clamping mechanism needs to be independently controlled is solved.

Further, the sliding device comprises a sliding plate arranged on the base in a sliding mode and sliding grooves symmetrically arranged on the sliding plate, and sliding shafts hinged with the rotating rod are arranged in the sliding grooves in a sliding mode. Through setting up the slide and sliding on the base, make the dwang rotate and remove in the spout to make first rotation post rotate.

Furthermore, the driving device comprises a screw rod and a sliding block, wherein the screw rod is symmetrically and rotatably connected in the base, the sliding block is symmetrically and threadedly connected on the screw rod, and the sliding block is fixedly connected with the sliding plate. The sliding block slides by rotating the lead screw, so that the sliding plate is driven to slide on the base, and the clamping assembly clamps and releases the automobile parts.

Furthermore, a first gear coaxially connected with the two lead screws is arranged on the base, a second gear meshed with the two first gears is rotatably connected to the base, and a rotating handle is arranged on the second gear. The second gear is rotated by rotating the rotating handle, so that the first gear is driven to rotate, and the rotating direction and the sliding distance of the screw rod can be conveniently controlled.

Further, a cylinder is arranged on the base, a workbench between the supports is arranged at the output end of the cylinder, and a plurality of dovetail grooves are uniformly formed in the workbench. The height of the workbench can be adjusted conveniently by arranging the air cylinder, and the workbench can support automobile parts conveniently.

Furthermore, rubber pads are arranged on the opposite surfaces of the two clamping plates of the same clamping assembly. The rubber pad is used for protecting automobile parts from being scratched.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram illustrating a clamping mechanism for an automobile welding fixture according to an embodiment of the present disclosure;

fig. 2 shows a schematic structural diagram of a clamping mechanism for an automobile welding fixture according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a base 1, a support 2, a cylinder 3, a workbench 4, a first rotating column 5, a connecting rod 6, a second rotating column 7, a clamping plate 8, a sliding plate 9, a lead screw 10, a sliding block 11, a rotating rod 12, a first gear 13, a second gear 14 and a rotating handle 15.

The embodiment is shown in figures 1 to 2, and comprises a base 1, wherein clamping devices are symmetrically arranged on the base 1, each clamping device comprises a support 2 fixedly connected on the base 1 and a first rotating column 5 rotatably connected on the support 2, an air cylinder 3 is arranged on the base 1, the output end of the air cylinder 3 is provided with a workbench 4 between the supports 2, the workbench 4 is uniformly provided with a plurality of dovetail grooves, the height of the workbench 4 can be conveniently adjusted by arranging the air cylinder 3, the workbench 4 can support automobile parts, two sides of the first rotating column 5 are both hinged with connecting rods 6, the movable ends of the connecting rods 6 are both hinged with clamping components for clamping the automobile parts, each clamping component comprises a second rotating column 7 symmetrically rotatably connected on the support 2 and clamping plates 8 symmetrically arranged on one side of the second rotating column 7, rubber pads are arranged on the opposite surfaces of the two clamping plates 8 of the same clamping component, the rubber pad is used for protecting automobile parts from being scratched.

One side of the second rotating column 7, which is far away from the clamping plate 8, is hinged with the connecting rod 6 respectively, a sliding device which is positioned below the first rotating column 5 is arranged on the base 1 in a sliding way, the sliding device comprises a sliding plate 9 which is arranged on the base in a sliding way and a sliding chute which is symmetrically arranged on the sliding plate, a sliding shaft which is hinged with a rotating rod 12 is arranged in the sliding chute in a sliding way, the rotating rod is rotated and moves in the sliding chute by arranging the sliding plate to slide on the base, so that the first rotating column 5 is rotated, the rotating rod 12 which is hinged with the sliding device is fixedly connected on the first rotating column 5, a driving device for the reciprocating motion of the sliding plate 9 is arranged on the base 1, the driving device comprises a lead screw 10 which is symmetrically and rotatably connected in the base 1 and a sliding block 11 which is symmetrically and threadedly connected on the lead screw 10, the sliding block 11 is fixedly connected with the sliding plate 9, the sliding block is made to slide by rotating the lead screw 10, so as to drive the sliding plate 9 to slide on the base 1, realize the centre gripping subassembly to the tight and relax of automobile parts's clamp, be equipped with on base 1 with two lead screw 10 coaxial coupling's first gear 13, rotate on the base 1 and be connected with two first gear 13 engaged with second gear 14, be equipped with on the second gear 14 and be equipped with rotation handle 15. The second gear 14 is rotated by rotating the rotation handle 15, so as to drive the first gear 13 to rotate, thereby facilitating the control of the rotation direction and the sliding distance of the screw 10.

In the implementation of this embodiment, the staff need place automobile parts in workstation 4, goes up and down to suitable height according to automobile parts size control cylinder 3, and the rethread rotates handle 15 and rotates second gear 14, and first gear 13 rotates when second gear 14 rotates to make grip block 8 press from both sides automobile parts tight, the subsequent dress that welds of automobile parts of being convenient for.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims

1. The utility model provides a clamping mechanism that car welding jig used which characterized in that: the on-line screen storage device comprises a base, the symmetry is equipped with clamping device on the base, clamping device includes that the support of rigid coupling on the base and the first post that rotates of rotation connection on the support, first post both sides that rotate all articulate has the connecting rod, the connecting rod expansion end all articulates there is the centre gripping subassembly that is used for centre gripping automobile parts, the centre gripping subassembly includes that the symmetry rotates the second of connection on the support and rotates the post and the symmetry sets up the grip block in second rotation post one side, the second rotates one side that the grip block was kept away from to the post and articulates mutually with the connecting rod respectively, it is equipped with the slider who is located first post below that rotates to slide on the base, equal rigid coupling has the dwang articulated with slider on the first post that rotates, be equipped with the drive arrangement who is used for slider reciprocating motion on the base.

2. The clamping mechanism for the automobile welding fixture as claimed in claim 1, wherein the sliding device comprises a sliding plate slidably disposed on the base and sliding grooves symmetrically disposed on the sliding plate, and a sliding shaft hinged to the rotating rod is slidably disposed in the sliding grooves.

3. The clamping mechanism for the automobile welding fixture as claimed in claim 2, wherein the driving device comprises a screw rod symmetrically and rotatably connected in the base and sliding blocks symmetrically and threadedly connected to the screw rod, and the sliding blocks are fixedly connected with the sliding plates.

4. The clamping mechanism of claim 3, wherein the base is provided with a first gear coaxially connected to the two lead screws, the base is rotatably connected to a second gear engaged with the two first gears, and the second gear is provided with a rotating handle.

5. The clamping mechanism for the automobile welding fixture as claimed in claim 1, wherein the base is provided with a cylinder, the output end of the cylinder is provided with a workbench between the brackets, and the workbench is uniformly provided with a plurality of dovetail grooves.

6. The clamping mechanism of claim 1, wherein rubber pads are disposed on opposite sides of the clamping plates of the clamping assembly.