CN219402362U

CN219402362U - Chuck jaw

Info

Publication number: CN219402362U
Application number: CN202320614285.2U
Authority: CN
Inventors: 王明东; 郝建伟
Original assignee: Tianjin Baswei New Technology Co ltd
Current assignee: Tianjin Baswei New Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-25
Anticipated expiration: 2033-03-27

Abstract

The utility model provides a chuck jaw, which belongs to the field of machining tools and comprises a chuck body and a clamping mechanism, wherein two sliding blocks are symmetrically and slidably arranged at the top of the chuck body, a rotating assembly for driving the two sliding blocks to approach or separate from each other is arranged on the chuck body, the clamping mechanism comprises two moving blocks, jaws and locking pieces, the two moving blocks are respectively fixed at the tops of the two sliding blocks, the jaws are correspondingly arranged with the moving blocks, the jaws are movably arranged at the tops of the moving blocks through the locking pieces, and the chuck jaw is convenient for disassembling the jaws, so that the firmness of subsequent work of the chuck jaw is ensured.

Description

Chuck jaw

Technical Field

The utility model relates to the field of machining tools, in particular to a chuck jaw.

Background

The chuck claw clamps and positions the workpiece by utilizing the radial movement of a plurality of movable claws uniformly distributed on the chuck body. The existing chuck jaw consists of a chuck body, a movable jaw and a jaw driving mechanism. The lower part of the jaw guiding part on the chuck jaw is meshed with the plane thread on the back surface of the dish-shaped bevel gear, when the bevel gear is rotated by using a spanner through a square hole, the dish-shaped gear rotates, and the plane thread on the back surface drives the jaw to approach or withdraw from the center at the same time, so as to clamp workpieces with different diameters.

The application number is 201621334745.2, a Chinese patent application with the name of a chuck jaw is quoted, the clamping work is carried out on a workpiece by adopting the jaw, after the jaw is used for a long time, the jaw is easy to wear at the contact part of the jaw with the workpiece to different degrees, and the jaw in the application is inconvenient to detach and replace, so that the clamping work of the chuck jaw on the workpiece is influenced, and the chuck jaw has certain limitation.

Disclosure of Invention

In order to remedy the above-mentioned shortcomings, the present utility model provides a chuck jaw which aims to improve the above-mentioned problems.

The utility model is realized in the following way:

the utility model provides a chuck jack catch, includes chuck body and fixture, chuck body top symmetry slidable mounting has two sliders, be provided with two on the chuck body the slider is close to or the rotating assembly who keeps away from mutually, fixture includes movable block, jack catch and retaining member, the movable block is provided with two, two the movable block is fixed in two respectively the slider top, the jack catch with the movable block corresponds the setting, the jack catch pass through retaining member movable mounting in the movable block top.

In one embodiment of the utility model, a chute is arranged at the top of the chuck body, and two sliding blocks are arranged in the chute in a sliding manner.

In one embodiment of the utility model, the rotating assembly comprises a bidirectional screw rod and a turning hand, the bidirectional screw rod is rotatably arranged in the chute, the turning hand is arranged outside the chuck body, one end of the turning hand penetrates through the chuck body and is connected with the bidirectional screw rod, and the two sliding blocks are respectively in threaded sleeve joint with the bidirectional screw rod through threads in two opposite directions on the bidirectional screw rod.

In one embodiment of the utility model, a threaded hole matched with the outer wall of the bidirectional screw is formed inside the sliding block and corresponds to the outer part of the bidirectional screw.

In one embodiment of the utility model, the locking piece comprises a connecting plate and a connecting bolt, wherein the connecting plate is L-shaped, one side of the connecting plate is fixed with the clamping jaw, the other side of the connecting plate is contacted with the top of the moving block, the connecting plate is provided with the connecting bolt, and one end of the connecting bolt is threaded through the moving block.

In one embodiment of the utility model, a through hole through which the connecting bolt can pass is arranged inside the connecting plate and corresponds to the outer part of the connecting bolt.

In one embodiment of the utility model, an internal thread groove matched with the outer wall of the connecting bolt is arranged inside the moving block and corresponds to the outer part of the connecting bolt.

In one embodiment of the utility model, the opposite ends of both said jaws are provided with evenly distributed anti-slip teeth.

The beneficial effects of the utility model are as follows: when the chuck claw obtained through the design is used, a workpiece to be positioned is placed between the two claws during workpiece positioning work, the rotating assembly is started to drive the two sliding blocks to approach each other, and then the two claws are driven to approach each other, so that the workpiece positioning work is completed, and when the claws are worn after being used for a long time and need to be replaced, the claws at the top of the moving block can be removed through the locking piece because the claws are movably arranged at the top of the moving block through the locking piece, so that the claws can be replaced, the positioning work of the chuck claws is facilitated, and the firmness of the follow-up work of the chuck claw is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a chuck jaw according to an embodiment of the present utility model;

FIG. 2 is a front cross-sectional view of a chuck body provided in an embodiment of the utility model;

FIG. 3 is a top view of a chuck body provided in an embodiment of the utility model.

In the figure: 100-chuck body; 110-a slider; 120-a rotating assembly; 121-a bi-directional screw; 122-turning hands; 130-a chute; 200-clamping mechanisms; 210-moving a block; 220-jaws; 221-anti-slip teeth; 230-locking member; 231-connecting plates; 232-connecting bolts.

Description of the embodiments

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a chuck jack catch, including chuck body 100 and fixture 200, chuck body 100 top symmetry slidable mounting has two sliders 110, be provided with the rotating assembly 120 that drive two sliders 110 are close to or keep away from mutually on the chuck body 100, fixture 200 includes movable block 210, jack catch 220 and retaining member 230, movable block 210 is provided with two, two movable blocks 210 are fixed in two slider 110 tops respectively, jack catch 220 corresponds the setting with movable block 210, jack catch 220 passes through retaining member 230 movable mounting in movable block 210 top.

In some specific embodiments, a chute 130 is provided at the top of the chuck body 100, two sliders 110 are slidably disposed in the chute 130, the rotating assembly 120 includes a bidirectional screw 121 and a rotating hand 122, the bidirectional screw 121 is rotatably mounted inside the chute 130, the rotating hand 122 is disposed outside the chuck body 100, one end of the rotating hand 122 penetrates through the chuck body 100 and is connected with the bidirectional screw 121, the two sliders 110 are respectively in threaded socket connection with the bidirectional screw 121 through threads in two opposite directions on the bidirectional screw 121, the rotating hand 122 is rotated to drive the bidirectional screw 121 to rotate, and the bidirectional screw 121 is rotated to drive the two sliders 110 to approach or separate from each other according to the principle of thread transmission.

In some specific embodiments, a threaded hole matched with the outer wall of the bidirectional screw 121 is arranged inside the sliding block 110 and corresponds to the outer part of the bidirectional screw 121, and the threaded connection relationship between the inner part of the sliding block 110 and the outer part of the bidirectional screw 121 is realized through the arrangement of the threaded hole.

In some specific embodiments, the locking member 230 includes a connecting plate 231 and a connecting bolt 232, the connecting plate 231 is L-shaped, one side of the connecting plate 231 is fixed to the claw 220, the other side of the connecting plate 231 is in contact with the top of the moving block 210, the connecting plate 231 is provided with the connecting bolt 232, one end of the connecting bolt 232 is threaded through the moving block 210, a through hole through which the connecting bolt 232 can pass is formed inside the connecting plate 231 and outside the connecting bolt 232, an internal thread groove adapted to the outer wall of the connecting bolt 232 is formed inside the moving block 210 and outside the connecting bolt 232, and when the claw 220 needs to be removed through the locking member 230, the connecting bolt 232 is rotated to be separated from the internal thread groove inside the moving block 210, so that the connection state between the connecting plate 231 and the moving block 210 can be released, and the claw 220 on one side of the connecting plate 231 can be removed.

In some embodiments, the opposing ends of the jaws 220 are each provided with uniformly distributed anti-slip teeth 221, which, by virtue of the uniformly distributed arrangement of anti-slip teeth 221, increases the friction of the jaws 220 when in contact with a workpiece.

Working principle: when the chuck clamping jaw positioning device is used, during workpiece positioning work, a workpiece to be positioned is placed between two clamping jaws 220, the rotating assembly 120 is started to drive the two sliding blocks 110 to approach each other, and then the two clamping jaws 220 are driven to approach each other, so that the workpiece positioning work is completed, when the clamping jaws 220 are worn after being used for a long time and need to be replaced, the clamping jaws 220 at the top of the moving block 210 can be removed through the locking piece 230 because the clamping jaws 220 are movably installed at the top of the moving block 210 through the locking piece 230, so that the clamping jaws 220 can be replaced, the positioning work of the chuck clamping jaws is facilitated, and the firmness of the follow-up work of the chuck clamping jaws is guaranteed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A chuck jaw, comprising

The chuck comprises a chuck body (100), wherein two sliding blocks (110) are symmetrically and slidably arranged at the top of the chuck body (100), and a rotating assembly (120) for driving the two sliding blocks (110) to be close to or far away from each other is arranged on the chuck body (100);

the clamping mechanism (200), the clamping mechanism (200) comprises moving blocks (210), clamping claws (220) and locking pieces (230), the moving blocks (210) are arranged in two, the two moving blocks (210) are respectively fixed on the tops of the two sliding blocks (110), the clamping claws (220) are correspondingly arranged with the moving blocks (210), and the clamping claws (220) are movably mounted on the tops of the moving blocks (210) through the locking pieces (230).

2. The chuck jaw according to claim 1, characterized in that the top of the chuck body (100) is provided with a chute (130), both of the sliders (110) being slidably arranged in the chute (130).

3. The chuck jaw according to claim 2, wherein the rotating assembly (120) comprises a bidirectional screw (121) and a turning hand (122), the bidirectional screw (121) is rotatably mounted inside the chute (130), the turning hand (122) is arranged outside the chuck body (100), one end of the turning hand (122) penetrates through the chuck body (100) and is connected with the bidirectional screw (121), and two sliding blocks (110) are respectively in threaded sleeve connection with the bidirectional screw (121) through threads in two opposite directions on the bidirectional screw (121).

4. A chuck jaw according to claim 3, characterized in that a threaded hole adapted to the outer wall of the bi-directional screw (121) is provided inside the slide block (110) and outside the bi-directional screw (121).

5. The chuck jaw according to claim 1, wherein the locking member (230) comprises a connecting plate (231) and a connecting bolt (232), the connecting plate (231) is L-shaped, one side of the connecting plate (231) is fixed with the jaw (220), the other side of the connecting plate (231) is in contact with the top of the moving block (210), the connecting plate (231) is provided with the connecting bolt (232), and one end of the connecting bolt (232) is threaded through the moving block (210).

6. The chuck jaw according to claim 5, wherein a through hole through which the connecting bolt (232) passes is provided inside the connecting plate (231) and outside the connecting bolt (232).

7. The chuck jaw according to claim 5, wherein an internal thread groove adapted to an outer wall of the coupling bolt (232) is provided inside the moving block (210) and outside the coupling bolt (232).

8. A chuck jaw according to claim 1, characterized in that opposite ends of both jaws (220) are provided with evenly distributed anti-slip teeth (221).