CN216543373U

CN216543373U - Quick-change clamping jaw mechanism

Info

Publication number: CN216543373U
Application number: CN202123367417.6U
Authority: CN
Inventors: 陆荣明; 潘晨
Original assignee: Wuxi Heldeke Precision Machinery Co ltd
Current assignee: Wuxi Heldeke Precision Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of clamping jaws, in particular to a quick-change clamping jaw mechanism. The clamping jaw comprises a clamping jaw seat, wherein a clamping groove is formed in one end face of the clamping jaw seat, a connecting mechanism is clamped at one end of the clamping jaw seat through the clamping groove and comprises a connecting column, a clamping block is arranged on the bottom surface of the connecting column, one side of the connecting column is a plane, and a limiting block is arranged on the plane corresponding to the clamping groove; one end of the clamping jaw seat is connected with a clamping jaw through a connecting mechanism, and the top of the connecting mechanism is connected with a stop block through a connecting piece. When the jack catch needs to be replaced, only the connecting piece needs to be loosened, the check block is detached from the connecting mechanism, then the jack catch is moved away from the connecting column, the appointed jack catch is clamped on the connecting column at last, and the check block is connected onto the connecting mechanism by using the connecting piece, so that the replacement of the jack catch is completed, and the replacement efficiency of workers is greatly improved.

Description

Quick-change clamping jaw mechanism

Technical Field

The utility model relates to the technical field of clamping jaws, in particular to a quick-change clamping jaw mechanism.

Background

In mechanical construction, the jaws typically grip the workpiece to facilitate machining of the workpiece. The three claws are uniformly distributed in 360 degrees, so that the three claws simultaneously approach to the center or quit to finish the work. When an enterprise produces and manufactures the workpieces, small-batch processing of various workpieces is usually performed, so that the clamping jaws need to be frequently replaced. The existing clamping jaw is complicated in replacing step, and a large amount of replacing time is needed, so that the production efficiency is reduced.

The above problems are problems that the art needs to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-change jaw mechanism, so that a jaw can be quickly changed, and the production efficiency is improved.

In order to solve the technical problem, the utility model provides the following scheme: a quick-change jaw mechanism comprises a jaw seat, wherein a clamping groove is formed in one end face of the jaw seat, a connecting mechanism is clamped at one end of the jaw seat through the clamping groove and comprises a connecting column, a clamping block is arranged on the bottom surface of the connecting column, one side of the connecting column is a plane, and a limiting block is arranged on the plane corresponding to the clamping groove; the clamping jaw is connected and arranged at one end of the clamping jaw seat through a connecting mechanism, and a stop block is connected and arranged at the top of the connecting mechanism through a connecting piece.

As a further improvement of the utility model, the clamping groove is provided with a positioning round hole, and the plane is provided with a round hole corresponding to the positioning round hole.

As a further improvement of the utility model, the clamping jaw comprises a body, a connecting groove is arranged on the body corresponding to the connecting column, and steps are arranged on the connecting groove corresponding to the clamping block and the stop block.

As a further improvement of the utility model, a buffer screw which is contacted with the plane is arranged on the side surface of the clamping jaw seat.

As a further improvement of the utility model, the clamping jaw seat is provided with a key groove and a screw hole.

The utility model has the beneficial effects that:

the clamping jaw fixing device is reasonable and simple in structure and convenient and fast to operate, the connecting mechanism is fixed on the clamping jaw seat through the bolts, then the clamping jaws are fixedly connected through the connecting column, the plane is further arranged on the connecting column, so that the clamping jaws are conveniently positioned and fixed, then the stop block is fixed on the connecting mechanism through the connecting piece, and further the clamping jaws and the clamping jaw seat are fixedly connected. When the jack catch needs to be replaced, only the connecting piece needs to be loosened, the check block is detached from the connecting mechanism, then the jack catch is moved away from the connecting column, the appointed jack catch is clamped on the connecting column at last, and the check block is connected onto the connecting mechanism by using the connecting piece, so that the replacement of the jack catch is completed, and the replacement efficiency of workers is greatly improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the coupling mechanism of the present invention;

FIG. 4 is a schematic view of the construction of the pawl seat of the present invention;

fig. 5 is a schematic view of the structure of the jaw of the present invention.

Reference numerals: 1. a pawl seat; 101. a keyway; 102. a screw hole; 2. a card slot; 3. a connecting mechanism; 301. Connecting columns; 302. a plane; 303. a limiting block; 304. a clamping block; 305. a circular hole; 4. a claw; 401. A body; 402. connecting grooves; 403. a step; 5. a stopper; 6. positioning the circular hole; 7. a connecting member; 8. and a buffer screw.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1, the clamping jaw device of the utility model includes a clamping jaw seat 1, one end surface of the clamping jaw seat 1 is provided with a clamping groove 2, one end of the clamping jaw seat 1 is clamped with a connecting mechanism 3 through the clamping groove 2, the connecting mechanism 3 includes a connecting column 301, a clamping block 304 is arranged on the bottom surface of the connecting column 301, one side of the connecting column 301 is a plane 302, and a limiting block 303 is arranged on the plane 302 corresponding to the clamping groove 2; one end of the jaw seat 1 is connected with a jaw 4 through a connecting mechanism 3, and the top of the connecting mechanism 3 is connected with a stop block 5 through a connecting piece 7. Use the bolt to fix coupling mechanism 3 on jack catch seat 1, jack catch 4 carries out fixed connection through spliced pole 301 after that, because still be provided with plane 302 on spliced pole 301 to be convenient for jack catch 4's location and fixed, later the rethread connecting piece 7 makes dog 5 fix on coupling mechanism 3, and then carries out fixed connection to jack catch 4 and jack catch seat 1. When needs are changed jack catch 4, only need loosen connecting piece 7, dismantle dog 5 from coupling mechanism 3, remove jack catch 4 from spliced pole 301 after that, with appointed jack catch joint on spliced pole 301 at last to use connecting piece 7 to connect dog 5 on coupling mechanism 3, accomplished the change to jack catch 4 promptly, great improvement workman's efficiency of changing.

In this embodiment, in order to improve the accuracy and the firmness of the connection between the connection mechanism 3 and the claw seat 1, the positioning circular hole 6 is provided on the slot 2, and the circular hole 305 is provided on the plane 302 corresponding to the positioning circular hole 6. Through the shaft cooperation of round hole 305 and location round hole 6 to can improve the accuracy and the fastness that coupling mechanism 3 is connected with jack catch seat 1.

In this embodiment, the claw 4 includes a body 401, a connecting groove 402 is provided on the body 401 corresponding to the connecting column 301, and a step 403 is provided on the connecting groove 402 corresponding to the fixture block 304 and the stop 5. The latch block 304 and the stopper 5 can simultaneously abut on the step 403, so that the stopper 5 can effectively fix the claw 4.

In this embodiment, a buffer screw 8 contacting with the flat surface 302 is disposed on the side surface of the pawl seat 1. The buffer screw 8 is usually a spring buffer screw, and the vibration generated during processing can be restrained through the spring elasticity of the spring buffer screw, so that the processing quality is improved.

In this embodiment, the claw seat 1 is provided with a key groove 101 and a screw hole 102, and the claw seat 1 can be conveniently mounted on the machine tool through the key groove 101 and the screw hole 102.

During actual work, only need loosen connecting piece 7, just can change jack catch 4 for the workman can be convenient more change fast.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. The quick-change jaw mechanism is characterized by comprising a jaw seat (1), wherein a clamping groove (2) is formed in one end face of the jaw seat (1), a connecting mechanism (3) is clamped at one end of the jaw seat (1) through the clamping groove (2), the connecting mechanism (3) comprises a connecting column (301), a clamping block (304) is arranged on the bottom face of the connecting column (301), a plane (302) is arranged on one side of the connecting column (301), and a limiting block (303) is arranged on the plane (302) and corresponds to the clamping groove (2); the clamping jaw is characterized in that one end of the clamping jaw seat (1) is provided with a clamping jaw (4) in a connected mode through a connecting mechanism (3), and the top of the connecting mechanism (3) is provided with a stop block (5) in a connected mode through a connecting piece (7).

2. The quick-change jaw mechanism according to claim 1, characterized in that the slot (2) is provided with a round positioning hole (6), and the plane (302) is provided with a round hole (305) corresponding to the round positioning hole (6).

3. A quick-change jaw mechanism according to claim 1, characterized in that the jaw (4) comprises a body (401), the body (401) is provided with a connecting groove (402) corresponding to the connecting post (301), and the connecting groove (402) is provided with a step (403) corresponding to the clamping block (304) and the stop block (5).

4. A quick-change jaw mechanism according to claim 1, characterized in that the jaw seat (1) is provided on its side with a buffer screw (8) which is in contact with the flat surface (302).

5. A quick-change jaw mechanism according to claim 1, characterized in that said jaw seat (1) is provided with a key slot (101) and a threaded hole (102).