CN219852187U

CN219852187U - Three-jaw chuck convenient to change

Info

Publication number: CN219852187U
Application number: CN202321330373.6U
Authority: CN
Inventors: 毕明皓
Original assignee: Wafangdian Huantong Machine Tool Accessories Co ltd
Current assignee: Wafangdian Huantong Machine Tool Accessories Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-20
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a three-jaw chuck convenient to replace, which belongs to the technical field of clamping devices and comprises a chuck main body, wherein a cover plate is arranged on the side surface of the chuck main body, a clamping assembly is arranged on the side surface of the cover plate, the clamping assembly comprises a sliding block, a sliding groove is formed in the side surface of the sliding block, a clamping block is arranged at a position, far away from the sliding groove, of the side surface of the sliding block, a clamping jaw is connected to the side surface of the clamping block in a sliding mode, and a limiting hole is formed in the side surface of the clamping block. This three-jaw chuck convenient to change, through setting up gag lever post and spring, when installing the jack catch, outwards pulling the gag lever post through the pull ring, make gag lever post and jack catch side parallel and level, place the fixture block side with the jack catch, make gag lever post and spacing hole position corresponding, loosen the pull ring, the spring utilizes elasticity to drive the gag lever post and moves to spacing downthehole, and the gag lever post limits fixture block and jack catch, realizes quick dismantlement and quick installation purpose, has reached quick replacement's purpose, labour saving and time saving.

Description

Three-jaw chuck convenient to change

Technical Field

The utility model belongs to the technical field of clamping devices, and particularly relates to a three-jaw chuck convenient to replace.

Background

The three-jaw chuck is a machine tool accessory which clamps and positions workpieces by utilizing the radial directions of three movable jaws uniformly distributed on the chuck body, when clamping products with different shapes, the jaws of the chuck need to be replaced, and the jaw replacement mode of the traditional three-jaw chuck is complex, time and labor are wasted, so that the problem is solved by the traditional three-jaw chuck convenient to replace.

Disclosure of Invention

In order to overcome the defects, the utility model provides the three-jaw chuck convenient to replace, and solves the problem that the traditional three-jaw chuck is time-consuming and labor-consuming to replace jaws.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a three-jaw chuck convenient to change, includes chuck main part, chuck main part's side is equipped with the apron, the side of apron is equipped with clamping assembly, clamping assembly includes the slider, the spout has been seted up to the side of slider, the position that the spout was kept away from to the side of slider is equipped with the fixture block, the side sliding connection of fixture block has the jack catch, spacing hole has been seted up to the side of fixture block, the position sliding connection who corresponds spacing hole in the jack catch has the gag lever post, the one end of gag lever post stretches into in the spacing hole, the side of gag lever post is equipped with the spring, the other end of spring is connected in the jack catch, the one end of gag lever post is equipped with the pull ring.

As a further aspect of the utility model: the chuck is characterized in that a chuck cavity is formed in the chuck main body, an adjusting component is arranged in the chuck cavity, and the adjusting component is arranged on the side face of the sliding groove.

As a further aspect of the utility model: the side of chuck main part and apron has seted up the slide rail, slide rail and slider sliding connection.

As a further aspect of the utility model: the adjusting component comprises a first rotating shaft, the first rotating shaft is rotationally connected in the inner cavity of the chuck, and a gear is arranged on the side face of the first rotating shaft.

As a further aspect of the utility model: the side of gear meshing has the fluted disc, the side of fluted disc is equipped with the second pivot, the second pivot rotates to be connected in chuck inner chamber.

As a further aspect of the utility model: the side of fluted disc keeps away from the position of gear and is equipped with the plane screw thread, the plane screw thread meshes with the spout.

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

1. this three-jaw chuck convenient to change, through setting up gag lever post and spring, when needs change jack catch, outwards pull the gag lever post through the pull ring, gag lever post and spacing hole separation, jack catch and fixture block release the restriction, can easily take off the jack catch, when installing the jack catch, outwards pull the gag lever post through the pull ring, make gag lever post and jack catch side parallel and level, place the fixture block side with the jack catch, make gag lever post and spacing hole position corresponding, loosen the pull ring, the spring utilizes elasticity to drive the gag lever post and moves to spacing downthehole, the gag lever post is with fixture block and jack catch restriction, realize quick dismantlement and quick installation purpose, the purpose of quick replacement has been reached, labour saving and time saving.

2. This three-jaw chuck convenient to change through setting up first pivot and second pivot, and first pivot plays support and spacing effect to the gear, and the restriction gear rotates under the drive of first pivot, guarantees the continuous meshing of gear and fluted disc, and the second pivot plays support and spacing effect to the fluted disc for the fluted disc uses the second pivot to stabilize the rotation as the center, guarantees that the fluted disc can drive plane screw thread and stabilize the rotation.

3. This three-jaw chuck convenient to change through setting up plane screw thread and spout, and the plane screw thread plays limiting displacement to the spout, when the plane screw thread rotatory, can drive spout and the slider that meshes with it and remove to possess the auto-lock characteristic, both the plane screw thread can drive the slider through the spout and remove, but slider and spout can not drive the plane screw thread.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a cross-section of a chuck body according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a clamping assembly according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of an adjusting assembly according to the present utility model;

in the figure: 1. a chuck body; 2. an adjustment assembly; 201. a first rotating shaft; 202. a gear; 203. fluted disc; 204. a planar thread; 205. a second rotating shaft; 3. a slide rail; 4. a clamping assembly; 401. a slide block; 402. a chute; 403. a pull ring; 404. a limit rod; 405. a spring; 406. a claw; 407. a limiting hole; 408. a clamping block; 5. a cover plate; 6. a chuck cavity.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a three-jaw chuck convenient to change, including chuck main part 1, chuck main part 1's side is equipped with apron 5, chuck inner chamber 6 has been seted up in chuck main part 1, be equipped with adjusting component 2 in chuck inner chamber 6, adjusting component 2 establishes in the side of spout 402, slide rail 3 has been seted up to chuck main part 1 and apron 5's side, slide rail 3 and slider 401 sliding connection, through setting up spout 402 and slide rail 3, the spout 402 can be through meshing with plane screw thread 204, make when plane screw thread 204 rotates, can drive slider 401 and remove, slide rail 3 plays support and spacing effect to slider 401, restriction slider 401 can only remove in slide rail 3;

the adjusting component 2 comprises a first rotating shaft 201, the first rotating shaft 201 is rotatably connected in the chuck cavity 6, a gear 202 is arranged on the side surface of the first rotating shaft 201, a fluted disc 203 is meshed with the side surface of the gear 202, a second rotating shaft 205 is arranged on the side surface of the fluted disc 203, the second rotating shaft 205 is rotatably connected in the chuck cavity 6, a plane thread 204 is arranged at the position, far away from the gear 202, of the side surface of the fluted disc 203, the plane thread 204 is meshed with a chute 402, and by arranging the first rotating shaft 201 and the second rotating shaft 205, the first rotating shaft 201 plays a supporting and limiting role on the gear 202, so that the gear 202 can rotate under the drive of the first rotating shaft 201 and can drive the fluted disc 203 to move by rotation, and the second rotating shaft 205 plays a supporting and limiting role on the fluted disc 203 to stably rotate under the support of the second rotating shaft 205;

the side of apron 5 is equipped with clamping assembly 4, clamping assembly 4 includes slider 401, spout 402 has been seted up to the side of slider 401, the side that slider 401 is far away from spout 402's position is equipped with fixture block 408, the side sliding connection of fixture block 408 has jack catch 406, spacing hole 407 has been seted up to the side of fixture block 408, the position sliding connection that corresponds spacing hole 407 in the jack catch 406 has spacing pole 404, spacing pole 404's one end stretches into spacing hole 407, spacing pole 404's side is equipped with spring 405, spring 405's the other end is connected in jack catch 406, spacing pole 404's one end is equipped with pull ring 403, play support and limiting action to jack catch 406 through setting up spacing pole 404 and spring 405, spacing pole 404 utilizes spacing hole 407 to restrict jack catch 406 and fixture block 408, realize the purpose of quick fixed jack catch 406, spring 405 exerts the elasticity to spacing pole 404 for spacing pole 404 keeps inward motion state all the time, avoid when chuck main part 1 high-speed rotation.

The working principle of the utility model is as follows:

when the clamping jaw 406 needs to be installed, the pull ring 403 is pulled outwards, the pull ring 403 drives the limiting rod 404 to move outwards, the limiting rod 404 drives the spring 405 to contract, after the limiting rod 404 moves to be flush with the inner side surface of the clamping jaw 406, the clamping jaw 406 is placed on the side surface of the clamping block 408, the limiting rod 404 is aligned with the limiting hole 407, the pull ring 403 is loosened, the spring 405 drives the limiting rod 404 to move inwards by utilizing elasticity, and the limiting rod 404 stretches into the limiting hole 407 to fix the clamping block 408 and the clamping jaw 406;

when the clamping jaw 406 needs to be disassembled, the pull ring 403 is pulled outwards, the pull ring 403 drives the limiting rod 404 to move outwards, the limiting rod 404 drives the spring 405 to shrink, meanwhile, the limiting rod 404 is separated from the limiting hole 407, the clamping block 408 and the clamping jaw 406 are released from limitation, and the clamping jaw 406 can be freely removed;

when a workpiece needs to be clamped, the workpiece is placed between the clamping jaws 406, the first rotating shaft 201 is rotated, the first rotating shaft 201 drives the gear 202 to rotate, the gear 202 drives the meshed fluted disc 203 to rotate, the fluted disc 203 drives the planar thread 204 to rotate by taking the second rotating shaft 205 as the center, the sliding block 401 is driven to move in the sliding rail 3 through the sliding groove 402 when the planar thread 204 rotates, the sliding block 401 drives the clamping jaws 406 to move through the clamping blocks 408 and the limiting rods 404, and the clamping jaws 406 clamp the workpiece.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a three-jaw chuck convenient to change, includes chuck main part (1), its characterized in that: the side of chuck main part (1) is equipped with apron (5), the side of apron (5) is equipped with clamping assembly (4), clamping assembly (4) are including slider (401), spout (402) have been seted up to the side of slider (401), the position that spout (402) were kept away from to the side of slider (401) is equipped with fixture block (408), the side sliding connection of fixture block (408) has jack catch (406), spacing hole (407) have been seted up to the side of fixture block (408), the position sliding connection that corresponds spacing hole (407) in jack catch (406) has gag lever post (404), in spacing hole (407) are stretched into to the one end of gag lever post (404), the side of gag lever post (404) is equipped with spring (405), the other end of spring (405) is connected in jack catch (406), the one end of gag lever post (404) is equipped with pull ring (403).

2. A three jaw chuck for easy replacement as in claim 1, wherein: the chuck is characterized in that a chuck inner cavity (6) is formed in the chuck main body (1), an adjusting component (2) is arranged in the chuck inner cavity (6), and the adjusting component (2) is arranged on the side face of the sliding groove (402).

3. A three jaw chuck for easy replacement as in claim 2, wherein: the chuck is characterized in that a slide rail (3) is arranged on the side face of the chuck main body (1) and the side face of the cover plate (5), and the slide rail (3) is in sliding connection with the sliding block (401).

4. A three jaw chuck for easy replacement as in claim 3, wherein: the adjusting assembly (2) comprises a first rotating shaft (201), the first rotating shaft (201) is rotatably connected in the chuck inner cavity (6), and a gear (202) is arranged on the side face of the first rotating shaft (201).

5. The three jaw chuck for easy replacement as set forth in claim 4, wherein: the side of gear (202) is meshed with fluted disc (203), the side of fluted disc (203) is equipped with second pivot (205), second pivot (205) rotate and connect in chuck inner chamber (6).

6. A three jaw chuck for easy replacement as in claim 5, wherein: a flat thread (204) is arranged on the side surface of the fluted disc (203) away from the gear (202), and the flat thread (204) is meshed with the chute (402).