CN219746368U

CN219746368U - Three-jaw chuck with protective structure

Info

Publication number: CN219746368U
Application number: CN202321241418.2U
Authority: CN
Inventors: 徐林峰
Original assignee: Jiangsu Huili New Energy Technology Co ltd
Current assignee: Jiangsu Huili New Energy Technology Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-26
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of machining clamps and discloses a three-jaw chuck with a protective structure, which comprises a chassis, wherein three jaws are arranged at the top end of the chassis, two mounting grooves are formed in the tops of the jaws, threaded holes are formed in the left side and the right side of each jaw, an extrusion block is arranged in each mounting groove, a threaded rod is connected with the inner threads of each threaded hole, an inner six head is fixedly connected to the outer portion of each threaded rod, an anti-skid pad is fixedly connected to the outer side of each extrusion block, an upper cover is arranged between the three jaws, and a main body is fixedly connected to the bottom of each upper cover. According to the utility model, the extrusion block can be taken out for replacement by unscrewing the threaded rod, so that the extrusion block is only required to be replaced, and the whole clamping jaw is not required to be replaced, thereby reducing the production and processing cost, avoiding damaging the surface of a product, ensuring the aesthetic property of the product and improving the quality of the product.

Description

Three-jaw chuck with protective structure

Technical Field

The utility model relates to the technical field of machining clamps, in particular to a three-jaw chuck with a protection structure.

Background

The three-jaw chuck is also called a three-jaw self-centering chuck, is usually used as a machine tool accessory, and utilizes radial movement of three jaws uniformly distributed on a chuck body so as to clamp and position a workpiece, the rotation center of the workpiece can be determined according to the circumference of a workpiece clamping part, one side of the three-jaw chuck in the prior art, which is used for clamping an object for a long time, can be seriously damaged due to the fact that one side of the object is clamped for a long time, so that the object is unstable, at the moment, the jaws need to be replaced, the whole jaws need to be replaced once replaced, the production and processing cost is increased, and meanwhile, the surface of a product to be clamped is damaged due to the fact that the jaws in the prior art are metal surfaces on the surface contacted with the object, so that the attractiveness of the object is affected, the jaws are damaged, and the service life of the jaws is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a three-jaw chuck with a protection structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a three-jaw chuck with protective structure, includes the chassis, the top of chassis is provided with three jack catch, the top of jack catch sets up two mounting grooves, the left and right sides of jack catch all is provided with the screw hole, the inside of mounting groove is provided with the extrusion piece, the inside threaded connection of screw hole has the threaded rod, six in the outside fixedly connected with of threaded rod, the outside fixedly connected with slipmat of extrusion piece.

As a further description of the above technical solution:

an upper cover is arranged between the three clamping jaws, and the bottom of the upper cover is fixedly connected with a main body.

As a further description of the above technical solution:

the upper cover is contacted with six anti-slip pads, and the extrusion block is contacted with the inner side of the threaded rod.

As a further description of the above technical solution:

the inside of interior six is provided with the hexagonal groove, the outside of slipmat is provided with the anti-skidding line.

As a further description of the above technical solution:

and one side of the claw close to the main body is fixedly connected with a lug.

As a further description of the above technical solution:

the bottom of the claw (2) is provided with insections.

The utility model has the following beneficial effects:

1. according to the utility model, through the composition of the structures such as the clamping jaw, the mounting groove, the threaded hole, the extrusion block, the threaded rod and the like, the extrusion block can be taken out for replacement by unscrewing the threaded rod, and the extrusion block is contacted with a product, so that the extrusion block only needs to be replaced, the whole clamping jaw does not need to be replaced, and the production and processing cost is reduced.

2. According to the utility model, through the composition of the structures such as the extrusion block, the threaded rod, the anti-slip pad and the like, one surface of the extrusion block, which is contacted with a product, is protected by the anti-slip pad, so that damage to the surface of the product can be avoided, the aesthetic property of the product can be ensured, the quality of the product is improved, meanwhile, the extrusion block on the clamping jaw is protected, the service life of the extrusion block is prolonged, and the service life of the clamping jaw is prolonged.

Drawings

FIG. 1 is a perspective view of a three-jaw chuck with a guard structure according to the present utility model;

FIG. 2 is a schematic view of a mounting groove in a three-jaw chuck with a protective structure according to the present utility model;

FIG. 3 is a perspective top view of a jaw of a three-jaw chuck with a guard structure according to the present utility model;

FIG. 4 is a perspective view of an extrusion block in a three-jaw chuck with a protective structure according to the present utility model

Fig. 5 is a schematic view of an upper cover of a three-jaw chuck with a protective structure according to the present utility model.

Legend description:

1. a chassis; 2. a claw; 3. a mounting groove; 4. a threaded hole; 5. extruding a block; 6. a threaded rod; 7. an inner six-head; 8. an anti-slip pad; 9. an upper cover; 10. a main body; 11. and a bump.

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. 1-5, one embodiment provided by the present utility model is: the utility model provides a three-jaw chuck with protective structure, includes chassis 1, and the top of chassis 1 is provided with three jack catch 2, and the top of jack catch 2 sets up two mounting grooves 3, and the left and right sides of jack catch 2 all is provided with screw hole 4, and the inside of mounting groove 3 is provided with extrusion piece 5, and the inside threaded connection of screw hole 4 has threaded rod 6, six 7 in the outside fixedly connected with of threaded rod 6, the outside fixedly connected with slipmat 8 of extrusion piece 5.

The three-jaw chuck is formed by the chassis 1 and the clamping jaw 2, the extrusion block 5 can be installed and fixed by being matched with the threaded rod 6 through the threaded hole 4, the extrusion block 5 can be in direct contact with a product, so that the clamping jaw 2 can be protected from damage only by damaging the extrusion block 5 in a long-term clamping process, the extrusion block 5 can be replaced only when replaced, the production cost can be reduced, meanwhile, the threaded rod 6 can be driven to rotate by utilizing the hexagonal wrench through the inner six heads 7, the extrusion block 5 can be fixed, the installation position of the extrusion block 5 can be provided, the installed aesthetic property of the extrusion block 5 can be increased, the friction force can be increased through the anti-slip pad 8, the product can be clamped more tightly, scratches are not caused on the outside of the product, the aesthetic property of the product can be guaranteed, the quality of the product can be guaranteed, and meanwhile the extrusion block 5 is also protected to a certain extent.

An upper cover 9 is arranged between the three clamping jaws 2, a main body 10 is fixedly connected to the bottom of the upper cover 9, the upper cover 9 is in contact with the six anti-slip pads 8, the extrusion block 5 is in contact with the inner side of the threaded rod 6, a hexagonal groove is formed in the inner six heads 7, anti-slip patterns are formed in the outer sides of the anti-slip pads 8, a lug 11 is fixedly connected to one side, close to the main body 10, of each clamping jaw 2, and tooth patterns are formed in the bottoms of the clamping jaws 2.

The upper cover 9 and the main body 10 form a product, the upper cover 9 can be contacted with the anti-slip pad 8, the upper cover 9 can not be in direct contact with the clamping jaw 2, but the anti-slip pad 8 is in direct contact with the upper cover 9, so that the clamping jaw 2 can be protected, the clamping jaw 2 is damaged when being clamped for a long time, the clamping jaw 5 can be seen from the figure, the volume of the clamping jaw 5 is far smaller than that of the clamping jaw 2, the cost of replacing the clamping jaw 5 is far smaller than that of the direct replacement clamping jaw 2, and accordingly production cost can be reduced, the clamping jaw 5 can be fixedly connected with the threaded rod 6 through the threaded rod 6, the clamping jaw 5 can be stably fixed in the installation groove 3, the hexagonal groove of the inner six heads 7 can be matched with the hexagonal wrench, the hexagonal wrench can be conveniently used, the threaded rod 6 can be tightly screwed by the six heads 7 in the screwing process of the clamping jaw 5, the clamping jaw 5 can be tightly abutted to the clamping jaw 5, the clamping jaw can be prevented from being clamped by the clamping jaw 2 when the clamping jaw 2 is not clamped by the clamping jaw 2, and the clamping jaw 2 can be conveniently placed in advance, and the clamping jaw 11 can be prevented from being clamped by the clamping jaw 2.

Working principle: when using, firstly use hexagonal spanner to insert in the inside hexagonal groove of interior six-headed 7, screw out threaded hole 4's inside with threaded rod 6, put into the inside of mounting groove 3 with extrusion piece 5 this moment, again with threaded rod 6 aim at threaded hole 4 and put into the back, use hexagonal spanner to screw six-headed 7 in, drive threaded rod 6 and rotate in the time of interior six-headed 7 pivoted, thereby cooperate threaded hole 4, thereby realize moving to the inside of mounting groove 3 when threaded rod 6 pivoted and can support tightly the extrusion piece 5 of mounting groove 3 inside, and then can accomplish the installation of extrusion piece 5, at this moment use three-jaw chuck, and then can make one side of extrusion piece 5 installation slipmat 8 support on upper cover 9, thereby can press from both sides the product tightly, simultaneously because with the slipmat 8 on the extrusion piece 5 is because of what the product contacted, not only can antiskid, still can guarantee to change extrusion piece 5 even if appearing in long-time use, and need not change claw 2 and then reduce manufacturing cost, also can utilize slipmat 8 to protect upper cover 9 and extrusion piece 5 simultaneously.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Three-jaw chuck with protective structure, including chassis (1), its characterized in that: the novel anti-slip device is characterized in that three clamping claws (2) are arranged at the top end of the chassis (1), two mounting grooves (3) are formed in the top of each clamping claw (2), threaded holes (4) are formed in the left side and the right side of each clamping claw (2), extrusion blocks (5) are arranged in the mounting grooves (3), threaded rods (6) are connected with internal threads of the threaded holes (4), six heads (7) are fixedly connected to the outer portions of the threaded rods (6), and anti-slip pads (8) are fixedly connected to the outer sides of the extrusion blocks (5).

2. The three-jaw chuck with guard structure of claim 1, wherein: an upper cover (9) is arranged between the three clamping claws (2), and the bottom of the upper cover (9) is fixedly connected with a main body (10).

3. A three jaw chuck with a protective structure as claimed in claim 2, wherein: the upper cover (9) is contacted with six anti-slip pads (8), and the extrusion block (5) is contacted with the inner side of the threaded rod (6).

4. The three-jaw chuck with guard structure of claim 1, wherein: the inside of six heads in (7) is provided with the hexagonal groove, the outside of slipmat (8) is provided with the anti-skidding line.

5. The three-jaw chuck with guard structure of claim 1, wherein: one side of the claw (2) close to the main body (10) is fixedly connected with a bump (11).

6. The three-jaw chuck with guard structure of claim 1, wherein: the bottom of the claw (2) is provided with insections.