CN219293242U

CN219293242U - Clamping mechanism for bolt tightening machine

Info

Publication number: CN219293242U
Application number: CN202223445455.3U
Authority: CN
Inventors: 刘志渤; 冯勇
Original assignee: Hubei Taixinhe Industrial Engineering Co ltd
Current assignee: Hubei Taixinhe Industrial Engineering Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-07-04
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a clamping mechanism for a bolt tightening machine, which comprises a fixed plate, wherein the top of the fixed plate is provided with a clamping assembly, the clamping assembly comprises a bracket fixed at the middle position of the top of the fixed plate, a motor is installed in the bracket, the output end of the motor is fixedly connected with a threaded rod, the top of the threaded rod is fixedly connected with a cylindrical block, the circumferential surface of the threaded rod below the cylindrical block is in threaded connection with a moving block, and four clamping mechanisms for clamping are equidistantly arranged on the side surface of the moving block. According to the utility model, the motor is started to drive the threaded rod to rotate, so that the moving block moves downwards along the threaded rod, when the moving block moves downwards, the four connecting rods on the side face are pulled, when the connecting rods are pulled, the moving plates are driven to slide in the rectangular holes, and the four moving plates are mutually closed, so that the workpiece clamp is fastened.

Description

Clamping mechanism for bolt tightening machine

Technical Field

The utility model relates to the technical field of automobile part manufacturing, in particular to a clamping mechanism for a bolt tightening machine.

Background

The automobile is composed of a plurality of parts, the parts are assembled into a complete automobile by workers after being manufactured and processed independently, a bolt tightening machine is needed to be used for assembling bolts in the manufacturing and assembling processes of the automobile parts, workpieces are needed to be fixed in the bolt assembling process of the tightening machine, and movement in the bolt screwing process is prevented, so that the assembly is failed.

The clamping mechanism for fixing the workpiece below the existing bolt tightening machine can only clamp specific workpieces, and when other parts need to be clamped, the clamping mechanism needs to be manually adjusted, so that the working efficiency of the tightening machine is greatly reduced, and the clamping mechanism for the bolt tightening machine is designed for realizing efficient production speed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a clamping mechanism for a bolt tightening machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a clamping mechanism for bolt tightening machine, includes the fixed plate, the fixed plate top is provided with clamping assembly, clamping assembly is including fixing the support at fixed plate top intermediate position, install the motor in the support, motor output fixedly connected with threaded rod, threaded rod top fixedly connected with cylinder piece, the threaded rod is located the circumference surface threaded connection of cylinder piece below has the movable block, the movable block side equidistance is provided with four clamping mechanism that are used for pressing from both sides tightly.

Preferably, the clamping mechanism comprises a connecting rod rotationally connected to the side face of the moving block, the other end of the connecting rod is rotationally connected with a moving plate, and notches are symmetrically formed in two sides of the moving plate, which are close to the bottom.

Preferably, the four corners of the top of the fixing plate are fixedly connected with supporting columns, the four top of the supporting columns are fixedly connected with a same placing table, the thickness of the placing table is matched with the notch, and four rectangular holes are circumferentially formed in the top of the placing table at equal intervals

Preferably, the four moving plates slide in the four corresponding rectangular holes, respectively.

Preferably, four the last buffer unit that all is provided with of movable plate, buffer unit is including two gag levers that slip runs through the movable plate, two the gag lever levers are located the same baffle of movable plate one end fixedly connected with, two the same rectangle piece of gag lever post other end fixedly connected with, two the gag lever levers are located the circumference surface between rectangle piece and the movable plate all overlaps and is equipped with the spring, rectangle piece opposite side fixedly connected with rubber pad.

Preferably, fixing holes are formed near four corners of the bottom of the fixing plate.

The beneficial effects of the utility model are as follows:

1. this a clamping mechanism for bolt tightening machine, through the starter motor, the motor will drive the threaded rod and rotate for the movable block moves down along the threaded rod when the movable block moves down, can pull four connecting rods of side, and when the connecting rod was pulled, can take the movable plate to slide in the rectangular hole, four movable plates can draw close each other, thereby fasten work piece clamp well.

2. This a clamping mechanism for bolt tightening machine, through buffer assembly's setting, when three movable plates continuously fold, can compression spring make the rectangular block promote the gag lever post backward movement, has weakened the pressure to the work piece, plays the guard action, and simultaneously when the irregular work piece of centre gripping, buffer assembly can also play the adjustment clamping strength, better and press from both sides the fixed work piece of clamp.

Drawings

FIG. 1 is a schematic view of the overall structure of a clamping mechanism for a bolt tightening machine according to the present utility model;

FIG. 2 is a schematic view of a clamping assembly of a clamping mechanism for a bolt tightening machine according to the present utility model;

fig. 3 is a schematic structural view of a buffering assembly of a clamping mechanism for a bolt tightening machine according to the present utility model.

In the figure: 1. a fixing plate; 101. a fixing hole; 2. a support column; 3. a placement table; 301. a rectangular hole; 4. a clamping assembly; 401. a bracket; 402. a motor; 403. a threaded rod; 404. a cylindrical block; 405. a moving block; 406. a connecting rod; 407. a moving plate; 408. a notch; 5. a buffer assembly; 501. a limit rod; 502. rectangular blocks; 503. a spring; 504. a baffle; 505. and a rubber pad.

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.

Referring to fig. 1-3, a clamping mechanism for a bolt tightening machine comprises a fixed plate 1, wherein a clamping assembly 4 is arranged at the top of the fixed plate 1, the clamping assembly 4 comprises a bracket 401 fixed at the middle position of the top of the fixed plate 1, a motor 402 is arranged in the bracket 401, the output end of the motor 402 is fixedly connected with a threaded rod 403, the top of the threaded rod 403 is fixedly connected with a cylindrical block 404, the circumferential surface of the threaded rod 403 below the cylindrical block 404 is in threaded connection with a movable block 405, four clamping mechanisms used for clamping are equidistantly arranged on the side surface of the movable block 405, each clamping mechanism comprises a connecting rod 406 rotationally connected to the side surface of the movable block 405, the other end of the connecting rod 406 is rotationally connected with a movable plate 407, two sides of the movable plate 407 close to the bottom position are symmetrically provided with notches 408, and the cylindrical block 404 is used for preventing the movable block 405 from being separated from the threaded rod 403 when moving.

In the utility model, the four corners at the top of a fixed plate 1 are fixedly connected with support columns 2, the tops of the four support columns 2 are fixedly connected with the same placing table 3, the thickness of the placing table 3 is matched with a notch 408, four rectangular holes 301 are circumferentially formed in the top of the placing table 3 at equal intervals, and four movable plates 407 respectively slide in the four corresponding rectangular holes 301.

In the utility model, the four movable plates 407 are all provided with the buffer components 5, the buffer components 5 comprise two limiting rods 501 which slide to penetrate through the movable plates 407, one end of each limiting rod 501 positioned on the movable plate 407 is fixedly connected with the same baffle plate 504, the other end of each limiting rod 501 is fixedly connected with the same rectangular block 502, the circumferential surfaces of the two limiting rods 501 positioned between the rectangular blocks 502 and the movable plates 407 are sleeved with springs 503, the other sides of the rectangular blocks 502 are fixedly connected with rubber pads 505, and the rubber pads 505 are arranged to effectively protect the surfaces of the workpieces from being damaged in the clamping process, and the whole buffer components 5 play a buffering role when clamping the workpieces, so that the workpieces are prevented from being damaged in the clamping process.

In the utility model, fixing holes 101 are formed near the four corners of the bottom of the fixing plate 1.

Working principle: when the device is used, firstly, the device is fixed on the table top of the tightening machine through the fixing holes 101 on the fixing plate 1, a workpiece needing to be screwed is placed in the middle of the placing table 3, then the motor 402 is started, the motor 402 drives the threaded rod 403 to rotate, the moving block 405 moves downwards along the threaded rod 403, when the moving block 405 moves downwards, four connecting rods 406 on the side are pulled, when the connecting rods 406 are pulled, the moving plate 407 are carried to slide in the rectangular holes 301, the four moving plates 407 are mutually close, so that the workpiece clamp is fastened and fixed, the buffer assembly 5 on the moving plate 407 can effectively prevent the workpiece from being transitionally extruded by the moving plate 407, when the three moving plates 407 are continuously closed, the springs 503 can be compressed, the rectangular block 502 can push the limiting rod 501 to move backwards, the pressure on the workpiece is weakened, the protection effect is achieved, meanwhile, when the irregular workpiece is clamped, the buffer assembly 5 can also play a role of adjusting clamping force, the clamping and fixing the workpiece can be better clamped, the rubber pad 505 can protect the surface of the workpiece, the workpiece is not damaged easily, the motor is reversely pushed, the motor drives the moving plates 406 to push the connecting rods 406 to move upwards, and the four moving plates 407 are mutually separated, and the workpiece are completely released.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a clamping mechanism for bolt tightening machine, includes fixed plate (1), its characterized in that, fixed plate (1) top is provided with clamping assembly (4), clamping assembly (4) are including fixing support (401) at fixed plate (1) top intermediate position, install motor (402) in support (401), motor (402) output fixedly connected with threaded rod (403), threaded rod (403) top fixedly connected with cylindrical piece (404), threaded rod (403) are located circumference surface threaded connection of cylindrical piece (404) below has movable block (405), movable block (405) side equidistance is provided with four clamping mechanism that are used for pressing from both sides tightly.

2. The clamping mechanism for a bolt tightening machine according to claim 1, wherein the clamping mechanism comprises a connecting rod (406) rotatably connected to the side face of the moving block (405), the other end of the connecting rod (406) is rotatably connected with a moving plate (407), and notches (408) are symmetrically formed on two sides of the moving plate (407) close to the bottom.

3. The clamping mechanism for a bolt tightening machine according to claim 1, wherein four corners at the top of the fixing plate (1) are fixedly connected with support columns (2), four support columns (2) are fixedly connected with the same placing table (3), the thickness of the placing table (3) is matched with that of the notch (408), and four rectangular holes (301) are formed in the circumference of the top of the placing table (3) at equal intervals.

4. A clamping mechanism for a bolt tightening machine according to claim 2, characterized in that four of the moving plates (407) slide in four corresponding rectangular holes (301), respectively.

5. The clamping mechanism for a bolt tightening machine according to claim 4, wherein four movable plates (407) are provided with buffer assemblies (5), each buffer assembly (5) comprises two limiting rods (501) penetrating through the movable plate (407) in a sliding mode, one end of each limiting rod (501) is fixedly connected with one baffle plate (504), the other end of each limiting rod (501) is fixedly connected with one rectangular block (502), the circumferential surfaces of the two limiting rods (501) between the rectangular blocks (502) and the movable plate (407) are sleeved with springs (503), and rubber pads (505) are fixedly connected to the other sides of the rectangular blocks (502).

6. The clamping mechanism for a bolt tightening machine according to claim 1, wherein fixing holes (101) are formed near four corners of the bottom of the fixing plate (1).