CN211276561U

CN211276561U - Soft four-claw structure

Info

Publication number: CN211276561U
Application number: CN201922137994.2U
Authority: CN
Inventors: 蔡彬彬
Original assignee: Cixi Huili Machinery & Electric Co ltd
Current assignee: Cixi Huili Machinery & Electric Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-18
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a soft four paws structure, this structure, include: a chuck, it has two at least slides to run through along its diameter direction on the chuck, and four at least claws collude the seat, four the claw colludes the seat and locates two respectively in the slide, and respectively with two slide sliding connection, each the claw colludes and all is equipped with first arch and second arch on the seat, the second arch is located on the first arch, each all be equipped with two screw holes in the first arch, two the screw hole is located respectively the bellied both ends of second, four at least soft four claws, each all be equipped with first orientation groove and second orientation groove on the soft four claws, first orientation groove with first protruding clearance fit, the second orientation groove with the protruding clearance fit of second, each all be equipped with two screw via holes on the soft four claws. The utility model discloses simple structure can adorn and press from both sides special-shaped part, and is compatible strong, has solved the problem that reforms transform anchor clamps intensity is poor, the cost of manufacture is high etc. in the past.

Description

Soft four-claw structure

Technical Field

The utility model relates to the technical field of machining, especially, relate to a soft four-jaw structure.

Background

With the continuous development of the machining technology, the types and the shapes of machined parts are increased sharply, the outlines of a part of the machined parts are irregular, the parts with irregular outlines cannot be clamped by the conventional clamping, in order to meet the clamping requirement, the conventional four claws are welded and are changed into special four claws to meet the clamping requirement of the irregular parts, the defect of the changed chucks is that each four-claw chuck only corresponds to one irregular part, the changed four-claw chuck cannot be shared with other products, the welded four claws are clamped on a machine tool to rotate at a high speed, the sufficient strength cannot be guaranteed, the potential safety hazard exists, in addition, the designed and manufactured period of the changed four-claw chuck is long, and the production efficiency of the parts is seriously influenced.

Disclosure of Invention

Aiming at the problems existing in the existing machining technology, a detachable and replaceable soft four-claw structure capable of solving the problem of clamping of special-shaped parts is provided.

The specific technical scheme is as follows:

a soft four-jaw structure comprising:

the chuck is provided with at least two slide ways which penetrate through the chuck along the diameter direction of the chuck;

the four claw hook seats are respectively arranged in the two slide ways and are respectively connected with the two slide ways in a sliding manner, each claw hook seat is provided with a first bulge and a second bulge, the second bulge is positioned on the first bulge, each first bulge is provided with two threaded holes, and the two threaded holes are respectively positioned at two ends of the second bulge;

at least four soft four paws, each soft four paws all are equipped with first orientation groove and second orientation groove, first orientation groove with first protruding clearance fit, second orientation groove with the protruding clearance fit of second, each soft four paws all are equipped with two screw via holes, two the screw via hole respectively with two the screw hole is just right, two the screw via hole is used for supplying two screws to pass, two the one end of screw passes two respectively the screw via hole, and respectively with two screw hole fixed connection, each soft four paws all are equipped with the claw that is used for fixed work piece and collude.

The claw is arranged on one end of the four soft claws, a clamping surface and a first groove are formed on one side, close to the screw through hole, of the claw hook, and the first groove is located between the clamping surface and the four soft claws.

Foretell four soft claw structures, wherein, the claw colludes to be located on the lateral wall of the one end of four soft claws, the claw colludes and is close to one side of screw via hole is formed with the clamping face, the clamping face with the claw colludes and is close to be formed with the step between one side of screw via hole.

In the above four-claw structure, the claw hook and the four soft claws are of an integral structure.

In the above soft four-claw structure, each of the first protrusions is provided with a second groove at both ends of the second protrusion.

In the above soft four-claw structure, each of the claw hook seats is provided with third grooves on two sides of the first protrusion.

The above-mentioned soft four-jaw structure, wherein, the chuck is located the lateral wall of slide is equipped with the guide rail, each the lateral wall that the claw colluded the seat is equipped with the spout, the spout with guide rail sliding connection.

The soft four-jaw structure is characterized in that the jaw hook seat is fixedly connected with the chuck through a threaded rod respectively.

Compared with the prior art, the technical scheme has the positive effects that:

(1) the utility model discloses a soft four-jaw structure adopts the soft four-jaw structure of removable formula of formula, has solved conventional four-jaw chuck and can not the clamping special-shaped part to and reform transform the problem that chuck structural strength is not high and the cost of manufacture is high.

(2) The utility model discloses a simple structure of soft four paws structure, it is compatible strong, and each part research and development preparation cycle is short, when guaranteeing that the structure has higher intensity, greatly reduced the cost, and be favorable to batch production.

Drawings

Fig. 1 is a schematic view of the overall structure of a soft four-claw structure of the present invention;

fig. 2 is a schematic structural view of a claw hook seat in a soft four-claw structure of the present invention;

fig. 3a is a schematic structural view of a first soft four-jaw of a soft four-jaw structure of the present invention;

fig. 3b is a schematic structural view of a second soft four-jaw in a soft four-jaw structure of the present invention;

fig. 4 is an exploded view of the overall structure of a soft four-claw structure according to the present invention.

In the drawings: 1. a chuck; 11. a slideway; 2. a claw hook seat; 21. a first protrusion; 22. a second protrusion; 23. a threaded hole; 24. a chute; 25. a second groove; 26. a third groove; 3. soft four claws; 311. a first orientation groove; 312. a second orientation groove; 313. a screw passing hole; 314. a claw hook; 32, a first step of removing the first layer; a clamping surface; 33. a first groove; 34. a step; 4. a threaded rod; 5. and (4) screws.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

FIG. 1 is a schematic view of the overall structure of a soft four-claw structure of the present invention, FIG. 2 is a schematic view of a claw hook seat in a soft four-claw structure of the present invention, FIG. 3a is a schematic view of a first soft four-claw in a soft four-claw structure of the present invention, FIG. 3b is a schematic view of a second soft four-claw in a soft four-claw structure of the present invention, FIG. 4 is an exploded view of an overall structure of a soft four-claw structure of the present invention, please refer to FIGS. 1 to 4, which show a preferred embodiment of a soft four-claw structure, which includes a chuck 1, at least four claw hook seats 2 and at least four soft four claws 3, at least two slide ways 11 are penetrated through the chuck 1 in a diameter direction thereof, the four claw hook seats 2 are respectively disposed in the two slide ways 11 and are respectively slidably connected to the two slide ways 11, each claw hook seat 2 is provided with a first protrusion 21 and a second protrusion 22, the second protrusion 22 is located on the first protrusion 21, each first protrusion 21 is provided with two threaded holes 23, the two threaded holes 23 are located at two ends of the second protrusion 21, each soft four-jaw 3 is provided with a first directional groove 311 and a second directional groove 312, the first directional groove 311 is in clearance fit with the first protrusion 21, the second directional groove 312 is in clearance fit with the second protrusion 312, each soft four-jaw 3 is provided with two screw through holes 313, the two screw through holes 313 are respectively opposite to the two threaded holes 23, the two screw through holes 313 are used for two screws 5 to pass through, one ends of the two screws 5 pass through the two screw through holes 313 respectively and are fixedly connected with the two threaded holes 23 respectively, and each soft four-jaw 3 is provided with a claw 314 for fixing a workpiece.

In addition, as a preferred embodiment, the claw 314 is provided at one end of the four soft claws 3, the claw 314 is formed with the clamping surface 32 and the first groove 33 on the side close to the screw passing hole 313, and the first groove 33 is located between the clamping surface 32 and the four soft claws 3.

Alternatively, in a preferred embodiment, the claw 314 is provided on a side wall of one end of the flexible four-claw 3, the clamping surface 32 is formed on a side of the claw 314 close to the through hole of the screw 5, and the step 34 is formed between the clamping surface 32 and a side of the claw 314 close to the through hole of the screw 5.

Further, as a preferred embodiment, the claw hook 314 and the four soft claws 3 are of an integral structure.

In addition, as a preferred embodiment, each first protrusion 21 is provided with a second groove 25 at both ends of the second protrusion 22.

Further, as a preferred embodiment, each claw hook seat 2 is provided with third grooves 26 on two sides of the first protrusion 21.

In addition, as a preferred embodiment, the side wall of the chuck 1 on the slideway 11 is provided with a guide rail, the side wall of each claw hook seat 2 is provided with a sliding groove 24, and the sliding groove 24 is connected with the guide rail in a sliding way.

Further, as a preferred embodiment, the claw hook seats 2 are fixedly connected with the chuck 1 through threaded rods 4 respectively.

The utility model discloses a soft four-jaw structure adopts the soft four-jaw structure of removable formula of formula, has solved conventional four-jaw chuck and can not the clamping special-shaped part to and reform transform the problem that chuck structural strength is not high and the cost of manufacture is high.

The utility model discloses a simple structure of soft four paws structure, it is compatible strong, and each part research and development preparation cycle is short, when guaranteeing that the structure has higher intensity, greatly reduced the cost, and be favorable to batch production.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. A soft four-jaw structure comprising:

2. The structure of claim 1, wherein the claw hook is disposed on one end of the four soft claws, a clamping surface and a first groove are formed on a side of the claw hook close to the screw through hole, and the first groove is located between the clamping surface and the four soft claws.

3. The structure of claim 1, wherein the claw hook is disposed on a side wall of one end of the four soft claws, a clamping surface is formed on a side of the claw hook close to the screw through hole, and a step is formed between the clamping surface and a side of the claw hook close to the screw through hole.

4. The soft four-jaw structure of claim 2 or 3, wherein the jaw and the soft four-jaw are of an integral structure.

5. The structure of claim 1, wherein each of the first protrusions has second grooves at two ends of the second protrusion.

6. The structure of claim 4, wherein each of the claw hook seats is provided with third grooves at two sides of the first protrusion.

7. The structure of claim 1, wherein the side wall of the chuck on the slideway is provided with a guide rail, and the side wall of each claw hook seat is provided with a sliding groove, and the sliding groove is slidably connected with the guide rail.

8. The flexible four-jaw structure of claim 1, wherein the four jaw hooks are fixedly connected to the chuck through threaded rods.