CN217376444U

CN217376444U - Clamp for grabbing workpiece

Info

Publication number: CN217376444U
Application number: CN202221160899.XU
Authority: CN
Inventors: 龙鹰; 汤淑芳; 王正萃; 方树; 许磊; 高翔; 王艺颖; 孙佳宁; 沈蕴
Original assignee: Guangxi Chengdian Intelligent Manufacturing Technology Co ltd
Current assignee: Guangxi Chengdian Intelligent Manufacturing Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-06
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a clamp for grabbing workpieces, which comprises a shell, a left clamping jaw, a right clamping jaw, a short rack, a long rack, a driving motor and a gear, the top of the shell is provided with a long hole, the left clamping jaw and the right clamping jaw are respectively arranged in the long hole in a sliding way, the left clamping jaw is fixedly connected with the short rack, the short rack is transversely and slidably arranged on the left side in the shell, the right clamping jaw is fixedly connected with the right end of the long rack, the long rack is transversely and slidably arranged in the shell, the short rack and the long rack are arranged oppositely on the tooth sides, the gear is arranged between the short rack and the long rack, the short rack and the long rack are respectively meshed with the gear, the driving motor is arranged on the outer side of the shell, the output shaft of the driving motor is in transmission connection with the gear, so that the technical problems that the existing two-jaw clamp is complex in structure and easily damages a workpiece can be solved.

Description

Clamp for grabbing workpiece

Technical Field

The utility model relates to a mechanical fixture technical field especially relates to an anchor clamps for snatching work piece.

Background

The mechanical fixture is widely applied in the field of mechanical automatic control, is mainly used for grabbing, transporting or transferring workpieces and the like, can help people to finish heavy labor to realize mechanization and simplification of production, can be operated cooperatively under different environments to meet the requirement of quickly finishing operation, and is widely applied to industrial production.

The structure of present mechanical fixture is comparatively complicated, snatchs when snatching the goods and moves inadequately in a flexible way, snatchs in-process work piece atress inhomogeneous, snatchs overweight article when, leads to mechanical clamping jaw to damage very easily, and mechanical clamping jaw when snatching some slippery article in addition leads to article to drop at the in-process that removes very easily, so should snatch again to the work efficiency who snatchs has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a anchor clamps for snatching work piece to solve the technical problem that current two claw anchor clamps structure is complicated and the work piece is damaged to the easy clamp.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an anchor clamps for snatching work piece, anchor clamps include casing, left clamping jaw, right clamping jaw, short rack, long rack, driving motor and gear, the casing top is equipped with the slot hole, left side clamping jaw and right clamping jaw slide respectively to be located in the slot hole, left side clamping jaw with short rack fixed connection, short rack transversely slides and locates the inside left side of casing, right side clamping jaw with long rack right-hand member fixed connection, long rack transversely slides and locates inside the casing, short rack with one side that long rack took the tooth sets up relatively, the gear is located short rack with between the long rack, short rack with long rack respectively with the gear meshes mutually, driving motor install in the casing outside, driving motor output shaft with gear drive connects.

Preferably, a first sliding groove and a second sliding groove are formed in the side wall of the inner side of the shell, the first sliding groove is located above the second sliding groove, and the short rack is connected with the first sliding groove in a sliding mode through an upper sliding block; the long rack is connected with the second sliding groove in a sliding mode through the lower sliding block.

Preferably, the inner walls of the front side and the rear side of the shell are in sliding connection with the long rack and the short rack.

Preferably, a first electromagnet is arranged on the right side of the short rack in the shell, and a second electromagnet is arranged on the left side of the long rack in the shell.

Preferably, the inner sides of the left clamping jaw and the right clamping jaw are provided with arc-shaped grooves, and elastic rubber pads are arranged in the arc-shaped grooves.

Preferably, the outer side of the elastic rubber pad is provided with anti-skid stripes

The technical effect obtained by adopting the technical scheme is as follows:

the utility model provides an anchor clamps for snatching work piece snatchs and release the work piece through two clamping jaw synchronous motion of a driving motor drive gear drive, not only can accelerate more to the speed of snatching of work piece, can press from both sides the work piece firmly moreover. Because two clamping jaws press from both sides tightly simultaneously, the work piece both sides atress that is snatched is even, consequently can effectively avoid the work piece to be pressed from both sides bad, the anchor clamps for snatching the work piece of this application have that the mechanism is simple, low in manufacturing cost is honest and clean and reliable's characteristics of work safety.

The side wall of the inner side of the shell is provided with a first sliding chute and a second sliding chute, the first sliding chute is positioned above the second sliding chute, and the short rack is connected with the first sliding chute in a sliding manner through an upper sliding block; the long rack is connected with the second sliding groove in a sliding mode through the lower sliding block, and the long rack and the short rack slide relatively through the sliding of the sliding block along the first sliding groove or the second sliding groove, so that the left clamping jaw and the right clamping jaw are driven to grab and release.

Because the inner walls of the front side and the rear side of the shell are both in sliding connection with the long rack and the short rack, the inner structure of the clamp is more stable.

Because in the casing in short rack right side is equipped with first electro-magnet, in the casing in long rack left side is equipped with the second electro-magnet, slides to the rightmost end when short rack, and long rack slides to the leftmost end, and left clamping jaw and right clamping jaw when pressing from both sides the work piece, make first electro-magnet and second electro-magnet get electric, and short rack is inhaled to first electro-magnet, and long rack is inhaled to the second electro-magnet to with short rack and long rack locking location, thereby can make driving motor outage this moment avoid driving motor to be burnt out.

Because the inboard of left clamping jaw and right clamping jaw is equipped with the arc recess, all be equipped with elastic rubber pad in the arc recess, the arc recess shape matches with cylindrical work piece appearance so that snatch it, and elastic rubber pad can avoid the work piece surface to be pressed from both sides badly.

Because the outer side of the elastic rubber pad is provided with the anti-skid stripes, the left clamping jaw and the right clamping jaw can clamp the workpiece more firmly.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the clamp of the present application showing the release of the left and right jaws;

FIG. 2 is a schematic diagram of the clamping of the left and right jaws of the clamp of the present application;

in the figure, 1, a housing; 10. a long hole; 11. a first chute; 12. a second chute; 21. a left clamping jaw; 22. a right jaw; 31. a short rack; 32. a long rack; 4. a gear; 51. an upper slide block; 52. a lower slide block; 61. a first electromagnet; 62. a second electromagnet; 7. an arc-shaped groove.

Detailed Description

As shown in FIGS. 1-2, a clamp for grabbing a workpiece comprises a housing 1, a left clamping jaw 21, a right clamping jaw 22, a short rack 31, a long rack 32, a driving motor and a gear 4. The top of the shell 1 is provided with a long hole 10, the left clamping jaw 21 and the right clamping jaw 22 are respectively arranged in the long hole 10 in a sliding manner, the left clamping jaw 21 is fixedly connected with the short rack 31, the short rack 31 is transversely arranged on the left side inside the shell 1 in a sliding manner, the right clamping jaw 22 is fixedly connected with the right end of the long rack 32, and the long rack 32 is transversely arranged inside the shell 1 in a sliding manner. A first sliding groove 11 and a second sliding groove 12 are arranged on the side wall of the inner side of the shell 1, the first sliding groove 11 is positioned above the second sliding groove 12, and the short rack 31 is connected with the first sliding groove 11 in a sliding mode through an upper sliding block 51; the long rack 32 is connected with the second sliding chute 12 in a sliding manner through the lower slider 52, and the long rack 32 and the short rack 31 slide relatively by sliding the upper and lower sliders along the first sliding chute 11 or the second sliding chute 12, so as to drive the left clamping jaw 21 and the right clamping jaw 22 to perform grabbing and releasing actions. In order to make the internal structure of the clamp more stable, the inner walls of the front and rear sides of the shell 1 are slidably connected with the long rack 32 and the short rack 31,

the short rack 31 and the long rack 32 are arranged opposite to each other on the tooth sides, the gear 4 is arranged between the short rack 31 and the long rack 32, and the short rack 31 and the long rack 32 are respectively meshed with the gear 4. The driving motor is arranged on the outer side of the shell 1, and an output shaft of the driving motor is in transmission connection with the gear 4. Be equipped with first electro-magnet 61 in short rack 31 right side in casing 1, be equipped with second electro-magnet 62 in long rack 32 left side in casing 1, slide to the rightmost end when short rack 31, long rack 32 slides to the leftmost end, left clamping jaw 21 and right clamping jaw 22 when pressing from both sides the work piece, make first electro-magnet 61 and second electro-magnet 62 electrified, short rack 31 is inhaled to first electro-magnet 61, long rack 32 is inhaled to second electro-magnet 62, thereby with short rack 31 and long rack 32 locking location, thereby can make driving motor outage avoid driving motor to be burnt out this moment.

The inboard of left clamping jaw 21 and right clamping jaw 22 is equipped with arc recess 7, all is equipped with resilient rubber pad in the arc recess 7, and arc recess 7 shape matches with cylindrical work piece appearance so that snatch it, and resilient rubber pad can avoid the workpiece surface to be pressed from both sides badly. The outer side of the elastic rubber pad is provided with anti-slip stripes, so that the left clamping jaw 21 and the right clamping jaw 22 can clamp a workpiece more firmly.

The working principle is as follows:

the utility model provides an anchor clamps for snatching work piece can be used to the pipelining, install it during the use on the transfer apparatus of assembly line, carry the work piece to between the left clamping jaw 21 and the right clamping jaw 22 of this application anchor clamps through equipment such as conveyer belt, then control driving motor work drive gear 4 drives two clamping jaws and snatchs the work piece to inboard synchronous motion, can lock left clamping jaw 21 and right clamping jaw 22 location through first electro-magnet 61 and the circular telegram of second electro-magnet 62, after anchor clamps snatch the work piece with the anchor clamps of this application through transfer apparatus removal to target position, control first electro-magnet 61 and second electro-magnet 62 outage, and control driving motor antiport can release the work piece.

It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.

Claims

1. A fixture for grasping a workpiece, characterized by: including casing, left clamping jaw, right clamping jaw, short rack, long rack, driving motor and gear, the casing top is equipped with the slot hole, left side clamping jaw and right clamping jaw slide respectively to be located in the slot hole, left side clamping jaw with short rack fixed connection, short rack transversely slides and locates the inside left side of casing, right side clamping jaw with long rack right-hand member fixed connection, long rack transversely slides and locates inside the casing, short rack with one side that long rack took the tooth sets up relatively, the gear is located short rack with between the long rack, short rack with long rack respectively with the gear meshes mutually, driving motor install in the casing outside, driving motor output shaft with gear drive connects.

2. A chuck for use in grasping a workpiece according to claim 1, wherein: a first sliding groove and a second sliding groove are formed in the side wall of the inner side of the shell, the first sliding groove is located above the second sliding groove, and the short rack is connected with the first sliding groove in a sliding mode through an upper sliding block; the long rack is connected with the second sliding groove in a sliding mode through the lower sliding block.

3. A chuck for use in grasping a workpiece according to claim 1, wherein: the inner walls of the front side and the rear side of the shell are connected with the long rack and the short rack in a sliding mode.

4. A chuck for use in grasping a workpiece according to claim 1, wherein: a first electromagnet is arranged on the right side of the short rack in the shell, and a second electromagnet is arranged on the left side of the long rack in the shell.

5. A gripper for gripping a workpiece as defined in claim 1, wherein: the inboard of left side clamping jaw and right clamping jaw is equipped with the arc recess, all be equipped with elastic rubber pad in the arc recess.

6. The jig for grabbing a workpiece according to claim 5, wherein said elastic rubber pad is provided with anti-slip stripes on the outside.