CN218965140U

CN218965140U - Pneumatic self-centering vice

Info

Publication number: CN218965140U
Application number: CN202223487562.2U
Authority: CN
Inventors: 戴文春
Original assignee: Kunshan Wubi Metal Technology Co ltd
Current assignee: Kunshan Wubi Metal Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the technical field of vices, in particular to a pneumatic self-centering vice, which comprises a fixed connecting seat, wherein a vice centering structure is connected to the end surface of the fixed connecting seat, clamping blocks are symmetrically connected to the two sides of the fixed connecting seat and the vice centering structure, the vice centering structure comprises a movable connecting seat, the movable connecting seat is connected to the end surface of the fixed connecting seat, a driving cylinder is connected to the inner cavity of the movable connecting seat, and a guide sliding groove is formed in the end surface of the movable connecting seat.

Description

Pneumatic self-centering vice

Technical Field

The utility model relates to the technical field of vices, in particular to a pneumatic self-centering vice.

Background

The conventional vice is mostly a screw driving vice, and is required to be clamped or loosened manually during use, so that the use is not very convenient during the process, and in order to solve the above problems, it is required to provide a pneumatic self-centering vice capable of pneumatically controlling the clamping or loosening of the vice.

Disclosure of Invention

The present utility model is directed to a pneumatic self-centering vise to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the pneumatic self-centering vice comprises a fixed connecting seat, wherein a vice centering structure is connected to the end face of the fixed connecting seat, and clamping blocks are symmetrically connected to the two sides of the fixed connecting seat and the vice centering structure;

the vice centering structure comprises a movable connecting seat, the movable connecting seat is connected to the end face of a fixed connecting seat, a driving cylinder is connected to the inner cavity of the movable connecting seat, a guide sliding groove is formed in the end face of the movable connecting seat, guide sliding blocks are symmetrically arranged in the guide sliding groove, sliding block oblique grooves are formed in the opposite side walls of the guide sliding blocks, an elastic oblique block is correspondingly arranged in the sliding block oblique grooves, a screw guide hole is formed in the center of the elastic oblique block, a push-pull screw is arranged in the screw guide hole, one end of the push-pull screw is connected to the driving end of the driving cylinder, a plurality of groups of screw fixing holes are formed in the end face of the guide sliding block, a fixed jaw is connected to the end face of the guide sliding block, a V-shaped rack is correspondingly arranged on the contact face of the fixed jaw and the guide sliding block, a sealing cover is connected to the upper side wall of the movable connecting seat through bolts, an air inlet and an air outlet are correspondingly arranged on the side wall of the movable connecting seat, and a key groove is correspondingly arranged on the end face of the guide sliding block.

As a preferable scheme of the utility model, a fixed rack is correspondingly arranged on the contact surface of the fixed connecting seat and the movable connecting seat, and a key groove is correspondingly arranged on the bottom surface of the fixed jaw and corresponds to the key groove block, wherein the key groove block is in clearance fit with the key groove.

As a preferable scheme of the utility model, the side wall of the clamping block is connected with the fixed connecting seat and the movable connecting seat through bolts.

As a preferable scheme of the utility model, the connecting port of the side wall of the driving cylinder is connected with the air inlet and the air outlet through a conduit, and the air inlet and the air outlet are connected with the air pump through the conduit.

As a preferable scheme of the utility model, the guide sliding groove and the guide sliding block are correspondingly arranged, wherein the guide sliding groove is of a T-shaped structure, and the guide sliding groove and the guide sliding block are connected in a sliding manner.

As a preferable scheme of the utility model, the elastic oblique block and the slide block oblique groove are correspondingly arranged, wherein the cross section of the elastic oblique block is of a tower-shaped structure, and the elastic oblique block and the slide block oblique groove are connected in a sliding manner.

As a preferable scheme of the utility model, the screw guide holes are of a conical structure, the screw fixing holes are arranged in a plurality of groups and are equidistantly formed on the end face of the guide sliding block, and the push-pull screw is fixedly connected to the tightening and loosening inclined block through a nut.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the vice centering structure is arranged in the pneumatic self-centering vice, so that the workpiece is automatically clamped by using the driving cylinder in the vice centering structure through the transmission structure, so that the workpiece can be automatically clamped or loosened in the use process of the pneumatic self-centering vice, the use is very convenient, and the problem that the clamping or loosening of the vice cannot be controlled pneumatically is solved.

Drawings

FIG. 1 is a schematic view of the front isometric structure of the present utility model;

FIG. 2 is a schematic view of the front side structure of the back side of the present utility model;

FIG. 3 is a schematic view of the centering structure of the vise of the present utility model;

FIG. 4 is a schematic view of the explosive structure of FIG. 3 according to the present utility model;

FIG. 5 is a schematic cross-sectional view of FIG. 3 in accordance with the present utility model.

In the figure: 1. fixing the connecting seat; 2. a vice centering structure; 3. a clamping block; 201. moving the connecting seat; 202. a driving cylinder; 203. a guide chute; 204. a guide slide block; 205. a slide block inclined groove; 206. an elastic oblique block; 207. screw guide holes; 208. pushing and pulling the screw; 209. screw fixing holes; 210. a fixed jaw; 211. a V-shaped rack; 212. sealing cover; 213. an air inlet; 214. an air outlet; 215. and a key groove block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, the present utility model provides a technical solution:

a pneumatic self-centering vice comprises a fixed connecting seat 1, wherein a vice centering structure 2 is connected to the end surface of the fixed connecting seat 1, and clamping blocks 3 are symmetrically connected to the two sides of the fixed connecting seat 1 and the vice centering structure 2;

in this embodiment, referring to fig. 2-5, in the case that the vice centering structure 2 includes the movable connecting seat 201, the movable connecting seat 201 is connected to the end face of the fixed connecting seat 1, the movable connecting seat 201 is fixed to the end face of the fixed connecting seat 1 according to actual requirements, the driving cylinder 202 is connected to the inner cavity of the movable connecting seat 201, the guide chute 203 is formed on the end face of the movable connecting seat 201, the guide slide 204 is symmetrically arranged in the guide chute 203, the slide oblique grooves 205 are formed on opposite side walls of the guide slide 204, the tightening and loosening blocks 206 are correspondingly arranged in the slide oblique grooves 205, the screw guide holes 207 are formed in the centers of the tightening and loosening blocks 206, the push-pull screws 208 are arranged in the screw guide holes 207, one end of each push-pull screw 208 is connected to the driving cylinder 202 under the driving end of the driving cylinder 202, so that the driving end of the driving cylinder 202 moves downwards, a plurality of sets of screw fixing holes 209 are formed on the end face of the guide slide 204, the end face of the guide slide 204 is connected to the fixed jaw 210, the fixed face of the guide slide 204, the jaw 210 is correspondingly arranged on the side face of the guide slide 204, and the air inlet is correspondingly connected to the air inlet face of the air inlet opening 212 is correspondingly arranged on the guide block 201, and the air outlet is correspondingly arranged on the end face of the air inlet seat 212, and the workpiece is correspondingly fixed to the air outlet face of the workpiece seat 212 is correspondingly arranged on the end face of the guide slide block.

Wherein, the movable connecting seat 201 is internally provided with a driving air cylinder 202 (when air is introduced, a pulling-down action is generated, so that two guide sliding blocks 204 on two sides are clamped and loosened), the function of the guide sliding groove 203 is that the clamping and loosening actions of the two groups of guide sliding blocks 204 are stable, the elastic inclined block 206 is connected with the driving air cylinder 202 through a push-pull screw 208, the elastic block moves up and down under the push-pull action of the driving air cylinder 202, the two groups of guide sliding blocks 204 are driven to clamp and loosen, the push-pull screw 208 is fixedly connected with the driving air cylinder 202 and fixedly acted, the sliding inclined groove 205 is connected with the elastic inclined block 206, so that the two groups of guide sliding blocks 204 move in and out simultaneously, the guide sliding block 204 is provided with a fixed jaw 210, the lower part is arranged on the movable connecting seat 201, so that the sliding stability is kept, the contact surface of the fixed jaw 210 and the guide sliding block 204 is correspondingly provided with a V-shaped rack 211, the V-shaped racks 211 are mutually meshed during fixing, the functions of the V-shaped racks are to adjust the clamping distance, the accuracy of the front and rear positioning accuracy of the repeated installation reaches 0.005mm, the key slot blocks 215 are assembled with the key slots on the bottom surface of the fixed jaw 210, the accuracy of the left and right positioning accuracy of the repeated installation reaches 0.005mm, the conditions of running and deflection do not exist during clamping, the screw fixing holes 209 are arranged into a plurality of groups and are equidistantly arranged on the end surfaces of the guide sliding blocks 204, so that the fixed jaw 210 is mutually fixed, the positions corresponding to the two-side moving installation can be carried out according to the clamped size, the fixed jaw 210 is arranged on the sliding blocks, the two-side moving installation can be carried out according to the clamped size requirement, the air inlet 213 and the air outlet 214 are used for enabling the elastic inclined blocks 206 to move upwards and downwards during air outlet or air inlet to enable the two groups of the guide sliding blocks 204 to move outwards or inwards simultaneously, the fixed jaw 210 is simultaneously loosened outwards or clamped inwards, the sealing cover 212 is arranged on the end face of the movable connecting seat 201, the functions of the sealing cover ensure that the driving cylinder 202 and the sliding block incline groove 205 are driven, the guiding chute 203 can not enter dust or sundries, and the mechanism moving part is ensured to be smooth.

The working flow of the utility model is as follows: when the pneumatic self-centering vice is used, firstly, the distance between two groups of fixed jaws 210 is adjusted according to the size of a workpiece, then, under the condition that V-shaped racks 211 are correspondingly arranged on the contact surface of the fixed jaws 210 and the guide slide block 204, and screw fixing holes 209 are arranged into a plurality of groups and are equidistantly arranged on the end surface of the guide slide block 204, the fixed jaws 210 are fixed on the end surface of the guide slide block 204 through bolts, meanwhile, under the action of the V-shaped racks 211, the fixed jaws 210 and the guide slide block 204 are meshed with each other, then, the workpiece is placed between the two groups of fixed jaws 210, and meanwhile, a driving cylinder 202 is started, so that the driving end of the driving cylinder 202 moves downwards, under the condition that the cross section of the elastic oblique block 206 is in a tower structure and the connection mode of the elastic oblique block 206 and the oblique slide block 205 is in sliding connection, the elastic oblique block 206 moves downwards, and under the condition that the guide slide groove 203 is in sliding connection mode of the guide slide groove 204, the guide slide groove 203 is in a T-shaped structure and the connection mode of the guide slide groove 203 and the guide slide block 204, the two groups are driven to move oppositely, and then, the workpiece 204 is clamped and moved oppositely.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic self-centering vice, includes fixed connection seat (1), its characterized in that: the end face of the fixed connecting seat (1) is connected with a vice centering structure (2), and clamping blocks (3) are symmetrically connected with two sides of the fixed connecting seat (1) and the vice centering structure (2);

the vice centering structure (2) comprises a movable connecting seat (201), the movable connecting seat (201) is connected to the end face of a fixed connecting seat (1), a driving cylinder (202) is connected in an inner cavity of the movable connecting seat (201), a guide sliding groove (203) is formed in the end face of the movable connecting seat (201), guide sliding blocks (204) are symmetrically arranged in the guide sliding groove (203), sliding block oblique grooves (205) are formed in opposite side walls of the guide sliding blocks (204), an elastic oblique block (206) is correspondingly arranged in the sliding block oblique grooves (205), a screw guide hole (207) is formed in the center of the elastic oblique block (206), a push-pull screw (208) is arranged in the screw guide hole (207), one end of the push-pull screw (208) is connected to the driving end of the driving cylinder (202), a plurality of groups of screw fixing holes (209) are formed in the end face of the guide sliding block (204), a fixed jaw (210) is connected to the end face of the guide sliding block (204), a sealing jaw (210) is arranged on the end face of the guide sliding block (204), the sealing jaw (210) is correspondingly arranged on the end face of the sealing seat (212), an air inlet (213) and an air outlet (214) are formed in the side wall of the movable connecting seat (201) and correspond to the driving air cylinder (202), and a key groove block (215) is formed in the end face of the guide sliding block (204) and correspond to the fixed jaw (210).

2. A pneumatic self-centering vise according to claim 1, wherein: the fixed rack is correspondingly arranged on the contact surface of the fixed connecting seat (1) and the movable connecting seat (201), and a key groove is correspondingly arranged on the bottom surface of the fixed jaw (210) and the key groove block (215), wherein the key groove block (215) is in clearance fit with the key groove.

3. A pneumatic self-centering vise according to claim 1, wherein: the side wall of the clamping block (3) is connected with the fixed connecting seat (1) and the movable connecting seat (201) through bolts.

4. A pneumatic self-centering vise according to claim 1, wherein: the connecting ports on the side walls of the driving cylinders (202) are connected with the air inlet (213) and the air outlet (214) through the guide pipes, and the air inlet (213) and the air outlet (214) are connected with the air pump through the guide pipes.

5. A pneumatic self-centering vise according to claim 1, wherein: the guide sliding groove (203) and the guide sliding block (204) are correspondingly arranged, wherein the guide sliding groove (203) is of a T-shaped structure, and the guide sliding groove (203) is connected with the guide sliding block (204) in a sliding manner.

6. A pneumatic self-centering vise according to claim 1, wherein: the elastic inclined block (206) and the sliding block inclined groove (205) are correspondingly arranged, wherein the cross section of the elastic inclined block (206) is of a tower-shaped structure, and the elastic inclined block (206) is connected with the sliding block inclined groove (205) in a sliding manner.

7. A pneumatic self-centering vise according to claim 1, wherein: the screw guide holes (207) are of conical structures, the screw fixing holes (209) are arranged in a plurality of groups and are equidistantly formed in the end face of the guide sliding block (204), and the push-pull screws (208) are fixedly connected to the tightening and loosening inclined block (206) through nuts.