CN220782282U - Manual chuck - Google Patents

Abstract

The utility model discloses a manual chuck, comprising: the chuck comprises a chuck body, a disc gear and a lower moving base jaw; a placing cavity is formed in the chuck body, and a bevel gear is arranged in the placing cavity; the disc gear is arranged in the chuck body, the bottom of the chuck body is connected with lower teeth, and the lower teeth are meshed with the bevel gear; according to the utility model, the bevel gear drives the disc gear to rotate, the disc gear drives the lower moving base jaw to move at the chute in the chuck body, the lower moving base jaw drives the upper moving base jaw and the split jaws to move, the split jaws can clamp a workpiece, the three split jaws and anti-skid patterns on the inner sides of the split jaws can clamp the workpiece better, and the clamping effect of the split jaws is good; the fixing screw is separated from the inside of the thread groove, so that the control of the split claw, the upper moving base claw and the lower moving base claw is released, and the split claw can be replaced.

Description

Manual chuck

Technical Field

The utility model relates to the technical field of chucks, in particular to a manual chuck.

Background

A chuck is a device for clamping and securing a workpiece. The chuck is manually operated to clamp the workpiece, and after the clamping is completed, the machine tool can be started to process the clamped workpiece, so that the workpiece is clamped on the surface of the chuck, and the falling condition can not occur.

However, the technical scheme is a technical scheme commonly used in the industry, and certain defects exist in the scheme, because the whole size of the traditional manual chuck is large in the process of using the chuck, when the manual chuck is installed on a machine tool to clamp a workpiece, an operator cannot feel that the claw is contacted with the workpiece when driving the manual chuck, so that the claw on the chuck has small clamping force on the workpiece, the manual chuck is heavy and inflexible to use, the clamping condition can occur when the manual chuck is used for a long time, and the machined workpiece is damaged.

In view of this, we propose a manual chuck.

Disclosure of utility model

The present utility model is directed to a manual chuck for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a manual chuck, comprising: the chuck comprises a chuck body, a disc gear and a lower moving base jaw;

A placing cavity is formed in the chuck body, the placing cavity and the chuck body are integrally formed, and a bevel gear is arranged in the placing cavity;

The disc gear is arranged in the chuck body, the bottom of the chuck body is connected with lower teeth, the lower teeth are meshed with the bevel gear, and after the bevel gear is driven, the bevel gear is meshed with the lower teeth so as to drive the disc gear to rotate, the top of the disc gear is connected with upper teeth, and the upper teeth and the disc gear are integrally formed;

The lower movable base jaw is arranged in the chuck body, the bottom of the lower movable base jaw is connected with a tooth body, the tooth body and the lower movable base jaw are integrally formed, the tooth body is meshed with the upper tooth, and the lower movable base jaw is driven to move when the upper tooth is meshed with the tooth body;

The surface of the lower movable base claw is provided with a fixing mechanism, and the split claw of the fixing mechanism is fixed through a fixing screw rod of the fixing mechanism.

Preferably, the fixing mechanism comprises an upper moving base jaw arranged at the top of the lower moving base jaw, the inner parts of the lower moving base jaw and the upper moving base jaw are provided with thread grooves at equal intervals, the thread grooves, the upper moving base jaw and the lower moving base jaw are integrally formed, the split jaws are connected at the top of the upper moving base jaw, the fixing screw is connected between the upper moving base jaw and the split jaws, and the upper moving base jaw, the lower moving base jaw and the split jaws can be fixed by the fixing screw.

Preferably, a sliding groove is formed in the chuck body, the lower moving base jaw is slidably connected in the sliding groove, and the lower moving base jaw slides in the sliding groove when driven, so that the sliding groove limits movement of the lower moving base jaw.

Preferably, the surface of the chuck body is provided with a through hole, the inside of the through hole is connected with a countersunk head bolt, and the countersunk head bolt can fix the chuck body on a machine tool or other machines.

Preferably, one side of the bevel gear is connected with a manual wrench, one end of the manual wrench is inserted into the bevel gear, and when the manual wrench is rotated, the bevel gear can be driven to rotate.

Preferably, the inner side of the split claw is connected with anti-skid patterns, and after the anti-skid patterns are contacted with the surface of the workpiece, the clamping force of the workpiece can be increased, so that the workpiece is clamped more firmly at the split claw.

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

(1) The manual wrench is rotated to drive the bevel gear to rotate in the placing cavity, the bevel gear can drive the disc gear to rotate, the disc gear can drive the lower moving base jaw to move at the sliding groove in the chuck body, the lower moving base jaw drives the upper moving base jaw and the split jaws to move, the split jaws can clamp workpieces, the three split jaws and the anti-slip patterns on the inner sides of the split jaws can clamp the workpieces better, the split jaws can not loose the workpieces, the clamping effect of the split jaws is good, the workpieces to be clamped can be clamped by manual operation, and damage to the workpieces due to large force is avoided.

(2) The fixing screw is unscrewed, so that the fixing screw is separated from the inside of the thread groove, the control of the split claw, the upper moving base claw and the lower moving base claw is relieved, the split claw can be replaced, and the use is more convenient.

(3) The split claw on the chuck body has the advantages of high precision, large clamping force, light and convenient and flexible mechanism, no deformation and no clamping phenomenon, and the whole thickness of the chuck body is reduced by 50 percent, so that the center distance of workpieces is reduced, the bearing capacity of welding equipment is improved, the welding and cutting production operation efficiency is improved, and the requirement of mass production is met.

Drawings

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

fig. 2 is a schematic diagram of the structure of the present utility model when the present utility model is connected in front view.

In the figure: 1. a manual wrench; 2. a bevel gear; 3. a chuck body; 4. a placement cavity; 5. countersunk head bolts; 6. a disk gear; 7. a lower tooth; 8. an upper tooth; 9. moving the base jaw downward; 10. an upper moving base jaw; 11. a tooth body; 12. a thread groove; 13. split claw; 14. a fixed screw; 15. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: a manual chuck, comprising:

The chuck comprises a chuck body 3, wherein a placing cavity 4 is formed in the chuck body 3, and a bevel gear 2 is arranged in the placing cavity 4;

The disc gear 6 is arranged in the chuck body 3, the bottom of the chuck body 3 is connected with lower teeth 7, the lower teeth 7 are meshed with the bevel gear 2, the top of the disc gear 6 is connected with upper teeth 8, and the upper teeth 8 and the disc gear 6 are integrally formed;

a lower moving base jaw 9, wherein the lower moving base jaw 9 is arranged in the chuck body 3, the bottom of the lower moving base jaw 9 is connected with a tooth body 11, and the tooth body 11 is meshed with the upper tooth 8;

The surface of the lower moving base jaw 9 is provided with a fixing mechanism, and the split jaw 13 of the fixing mechanism is fixed by a fixing screw 14 of the fixing mechanism.

The fixing mechanism comprises an upper moving base claw 10 arranged at the top of a lower moving base claw 9, thread grooves 12 are formed in the lower moving base claw 9 and the upper moving base claw 10 at equal intervals, the thread grooves 12 are integrally formed with the upper moving base claw 10 and the lower moving base claw 9, a split claw 13 is connected at the top of the upper moving base claw 10, a fixing screw 14 is connected between the upper moving base claw 10 and the split claw 13, and the upper moving base claw 10, the lower moving base claw 9 and the split claw 13 can be fixed through the arrangement of the fixing screw 14.

The chuck body 3 is internally provided with a chute 15, the lower moving base jaw 9 is slidingly connected to the inside of the chute 15, and the lower moving base jaw 9 slides in the chute 15 when the lower moving base jaw 9 is driven, so that the chute 15 limits the movement of the lower moving base jaw 9.

Through holes are formed in the surface of the chuck body 3, and countersunk bolts 5 are connected to the through holes.

One side of the bevel gear 2 is connected with a manual wrench 1, one end of the manual wrench 1 is inserted into the bevel gear 2, and when the manual wrench 1 is rotated, the bevel gear 2 can be driven to rotate.

The inner side of the split claw 13 is connected with anti-skid patterns, and after the anti-skid patterns are contacted with the surface of a workpiece, the clamping force of the workpiece can be increased, so that the workpiece is clamped more firmly at the split claw 13.

Specifically, when the hand wrench 1 is used, the hand wrench 1 is inserted into one side of the bevel gear 2, the hand wrench 1 is rotated, the bevel gear 2 is driven to rotate in the accommodating cavity 4 by the hand wrench 1, the bevel gear 2 is meshed with the lower teeth 7 at the bottom of the disc gear 6, so that the disc gear 6 can be driven to rotate in the chuck body 3 under the rotation of the bevel gear 2, the upper teeth 8 on the surface of the disc gear 6 are meshed with the tooth body 11 at the bottom of the lower moving base claw 9 under the driving of the disc gear 6, the lower moving base claw 9 is driven to move at the chute 15 in the chuck body 3, the lower moving base claw 9 is driven to move the upper moving base claw 10 and the split claw 13, the split claw 13 can clamp a workpiece, and the three split claws 13 are arranged in a triangular shape, when the workpiece is clamped, the three split claws 13 and the inner anti-skid patterns of the split claws 13 can clamp the workpiece better, and the split claws 13 can not loose the workpiece;

Meanwhile, the split claw 13 on the chuck body 3 has the advantages of high precision, large clamping force, light and convenient and flexible mechanism, no deformation and no clamping phenomenon, and the overall thickness of the chuck body 3 is reduced by 50%, so that the center distance of workpieces is reduced, the bearing capacity of welding equipment is improved, the welding and cutting production operation efficiency is improved, and the requirement of mass production is met;

When the split claw 13 needs to be replaced, the fixing screw 14 is unscrewed, and the fixing screw 14 is separated from the inside of the thread groove 12, so that the control of the split claw 13, the upper moving base claw 10 and the lower moving base claw 9 is relieved, the split claw 13 can be replaced, and the use is more convenient.

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 (6)

1. A hand chuck, comprising:

The chuck comprises a chuck body (3), wherein a placing cavity (4) is formed in the chuck body (3), and a bevel gear (2) is arranged in the placing cavity (4);

the disc gear (6), the disc gear (6) is arranged in the chuck body (3), the bottom of the chuck body (3) is connected with lower teeth (7), the lower teeth (7) are meshed with the bevel gear (2), and the top of the disc gear (6) is connected with upper teeth (8);

The lower moving base jaw (9), the lower moving base jaw (9) is arranged in the chuck body (3), the bottom of the lower moving base jaw (9) is connected with a tooth body (11), and the tooth body (11) is meshed with the upper tooth (8);

the surface of the lower movable base claw (9) is provided with a fixing mechanism, and the split claw (13) of the fixing mechanism is fixed through a fixing screw (14) of the fixing mechanism.

2. The manual chuck according to claim 1, wherein the fixing mechanism comprises an upper moving base jaw (10) arranged at the top of the lower moving base jaw (9), thread grooves (12) are formed in the lower moving base jaw (9) and the upper moving base jaw (10) at equal intervals, the split jaws (13) are connected to the top of the upper moving base jaw (10), and the fixing screw (14) is connected between the upper moving base jaw (10) and the split jaws (13).

3. A manual chuck according to claim 1, characterized in that the chuck body (3) is internally provided with a chute (15), and the lower movable base jaw (9) is slidingly connected inside the chute (15).

4. A manual chuck according to claim 1, characterized in that the surface of the chuck body (3) is provided with a through hole, the interior of which is connected with a countersunk bolt (5).

5. A hand chuck according to claim 1, characterized in that a hand wrench (1) is connected to one side of the bevel gear (2).

6. A hand chuck according to claim 1, characterized in that the inner side of the split jaws (13) is connected with anti-slip threads.