CN213195692U

CN213195692U - Manual chuck

Info

Publication number: CN213195692U
Application number: CN202021700370.3U
Authority: CN
Inventors: 梁秀兰
Original assignee: Dongguan Jiasui Precision Clamp Co ltd
Current assignee: Dongguan Jiasui Precision Clamp Co ltd
Priority date: 2020-08-15
Filing date: 2020-08-15
Publication date: 2021-05-14
Anticipated expiration: 2030-08-15

Abstract

The utility model relates to a manual chuck, which comprises a face plate, a cover body, a rotating rod, a hand wheel, a rocking handle, a rotating disc, a clamping block, a turbine, a gasket, a rotating shaft, a roller and a bearing; the cover body is arranged at the rear side of the face disc, the bearing is embedded in the center of the face disc, the rotating shaft is transversely inserted and fixed in the bearing, and the turbine is arranged inside the cover body; the gasket is embedded in the center of the front side of the turbine and is sleeved and fixed on the outer side of the rear end of the rotating shaft, and the rotating rod is transversely and rotatably inserted and connected in the cover body; the utility model discloses simple structure to simplified the processing step, reduced manufacturing cost.

Description

Manual chuck

Technical Field

The utility model relates to a manual chuck.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and can be divided into an automatic chuck and a manual chuck according to different driving modes; the existing manual chuck has the defects of complex structure, complex processing steps and higher manufacturing cost, and is to be further improved.

SUMMERY OF THE UTILITY MODEL

To the present situation of the above prior art, the technical problem to be solved in the present invention is to provide a manual chuck with a simple structure to simplify the processing steps and reduce the manufacturing cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a manual chuck is characterized by comprising a face plate, a cover body, a rotating rod, a hand wheel, a rocking handle, a rotating disc, a clamping block, a turbine, a gasket, a rotating shaft, a roller and a bearing; the cover body is arranged at the rear side of the face disc, the bearing is embedded in the center of the face disc, the rotating shaft is transversely inserted and fixed in the bearing, and the turbine is arranged inside the cover body; the front end of the washer is attached to the rear side of the face plate, the rotating rod is transversely and rotatably inserted and connected into the cover body, a worm part is formed in the middle of the rotating rod and meshed with the turbine, and the rotary plate is fixed at the front end of the rotating shaft and arranged on the front side of the face plate; three movable clamping blocks which are distributed at equal angles along the circumferential direction are arranged in the rotary table; the rear side of each clamping block is provided with a roller, and each roller is movably inserted into the flour tray; the hand wheel sleeve is fixed on the outer side of one end of the rotating rod, and the rocking handle is rotatably connected to the outer side of the hand wheel.

Preferably, the carousel outwards is formed with three spacing strips that distribute along the equidistance angle of circumferencial direction, every a heavy groove has all been seted up to the front side of spacing strip, every a spout has all been seted up on the bottom surface of heavy groove, the mobilizable setting of clamp splice is in heavy groove.

Preferably, each rear side of clamp splice all outwards is formed with a rotation post, open in the face dish and be equipped with three arc wall along the equidistance distribution of circumferencial direction, it is three rotation post passes three spout backward respectively and inserts respectively in three arc wall, three the gyro wheel is rotatable cover respectively and is established on three rotation post and movable respectively inserts in three arc wall.

Preferably, a moving block is outwards formed at the front side of each clamping block, and the rear sides of the three moving blocks are respectively attached to the front sides of the three limiting strips.

Preferably, the inner side of each moving block is formed with a trapezoidal head.

Compared with the prior art, the utility model has the advantages of: the utility model discloses simple structure to simplified the processing step, reduced manufacturing cost.

Drawings

FIG. 1 is a left front side structural view of the present invention;

FIG. 2 is a position view of the turbine and gasket of the present invention;

FIG. 3 is a position diagram of the roller of the present invention;

FIG. 4 is a structural diagram of the turntable of the present invention;

fig. 5 is a structural diagram of the clamping block of the present invention.

Detailed Description

As shown in fig. 1 to 5, a manual chuck comprises a face plate 1, a cover body 2, a rotating rod 3, a hand wheel 4, a rocking handle 5, a rotating plate 6, a clamping block 7, a turbine 8, a gasket 9, a rotating shaft 10, a roller 11 and a bearing 12; the cover body 2 is arranged at the rear side of the face plate 1, the bearing 12 is embedded in the center of the face plate 1, the rotating shaft 10 is transversely inserted and fixed in the bearing 12, and the turbine 8 is arranged inside the cover body 2; the washer 9 is embedded in the center of the front side of the turbine 8 and is sleeved and fixed on the outer side of the rear end of the rotating shaft 10, the front end of the washer 9 is attached to the rear side of the dough tray 1, the rotating rod 3 is transversely and rotatably inserted and connected in the cover body 2, the middle part of the rotating rod 3 is provided with a worm part 31, the worm part 31 is meshed on the turbine 8, and the turntable 6 is fixed at the front end of the rotating shaft 10 and is arranged on the front side of the dough tray 1; three movable clamping blocks 7 which are distributed at equal angles along the circumferential direction are arranged in the rotary table 6; the rear side of each clamping block 7 is provided with a roller 11, and each roller 11 is movably inserted into the flour tray 1; the hand wheel 4 is sleeved and fixed on the outer side of one end of the rotating rod 3, and the rocking handle 5 is rotatably connected to the outer side of the hand wheel 4; the rotating disc 6 is outwards provided with three limiting strips 61 which are distributed at equal angles along the circumferential direction, the front side of each limiting strip 61 is provided with a sinking groove 62, the bottom surface of each sinking groove 62 is provided with a sliding groove 63, the clamping blocks 7 are movably arranged in the sinking grooves 62, the rear side of each clamping block 7 is outwards provided with a rotating column 72, the face plate 1 is internally provided with three arc-shaped grooves 101 which are distributed at equal angles along the circumferential direction, the three rotating columns 72 respectively penetrate backwards through the three sliding grooves 63 and are respectively inserted into the three arc-shaped grooves 101, and the three rollers 11 are respectively rotatably sleeved on the three rotating columns 72 and respectively movably inserted into the three arc-shaped grooves 101; a moving block 71 is formed outwards on the front side of each clamping block 7, the rear sides of the three moving blocks 71 are respectively attached to the front sides of the three limiting strips 61, and a trapezoidal head 73 is formed on the inner side of each moving block 71.

When the clamping device is used, a workpiece is inserted between the three clamping blocks 7 and positioned at the center of the front side of the rotating disc 6, then the rocking handle 5 is held by a hand and rotated, and the rotating rod 3 is driven to rotate by the hand wheel 4, so that the worm wheel 8 is driven to rotate by the worm rod part 31 according to the transmission principle of the worm wheel and the worm, the rotating shaft 10 is driven by the gasket 9 to rotate in the bearing 12, the rotating disc 6 and the three clamping blocks 7 are driven to rotate, each clamping block 7 drives the roller 11 to roll towards the center along the arc-shaped groove 101 by the aid of the rotating column 72 when rotating, the clamping blocks 7 are forced to move towards the center along the sinking groove 62, the rotating column 72 is driven to move towards the center along the sliding groove 63, the three clamping blocks 7 are driven to approach towards the center until the workpiece is clamped, and the three trapezoid heads 73 are; if the workpiece needs to be loosened, the rocking handle 5 is held by hand and the hand wheel 4 is reversed.

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and can be divided into an automatic chuck and a manual chuck according to different driving modes; the existing manual chuck has complex structure, complex processing steps and higher manufacturing cost; the utility model discloses simple structure to simplified the processing step, reduced manufacturing cost.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A manual chuck is characterized by comprising a face plate, a cover body, a rotating rod, a hand wheel, a rocking handle, a rotating disc, a clamping block, a turbine, a gasket, a rotating shaft, a roller and a bearing; the cover body is arranged at the rear side of the face disc, the bearing is embedded in the center of the face disc, the rotating shaft is transversely inserted and fixed in the bearing, and the turbine is arranged inside the cover body; the front end of the washer is attached to the rear side of the face plate, the rotating rod is transversely and rotatably inserted and connected into the cover body, a worm part is formed in the middle of the rotating rod and meshed with the turbine, and the rotary plate is fixed at the front end of the rotating shaft and arranged on the front side of the face plate; three movable clamping blocks which are distributed at equal angles along the circumferential direction are arranged in the rotary table; the rear side of each clamping block is provided with a roller, and each roller is movably inserted into the flour tray; the hand wheel sleeve is fixed on the outer side of one end of the rotating rod, and the rocking handle is rotatably connected to the outer side of the hand wheel.

2. The manual chuck according to claim 1, wherein the rotating plate is formed with three limiting strips which are distributed at equal angles along the circumferential direction, a sinking groove is formed on the front side of each limiting strip, a sliding groove is formed on the bottom surface of each sinking groove, and the clamping block is movably disposed in the sinking groove.

3. The manual chuck according to claim 2, wherein a rotation post is formed outwardly at a rear side of each of the clamping blocks, three arc-shaped grooves are formed in the surface plate and are distributed at equal angles along a circumferential direction, the three rotation posts respectively penetrate through the three sliding grooves rearwardly and are respectively inserted into the three arc-shaped grooves, and the three rollers are respectively rotatably sleeved on the three rotation posts and are respectively movably inserted into the three arc-shaped grooves.

4. The hand chuck according to claim 1, wherein a moving block is formed outwardly on a front side of each of the clamping blocks, and rear sides of the three moving blocks are respectively attached to front sides of the three limiting strips.

5. The hand chuck according to claim 4, wherein each of said moving blocks is formed with a trapezoidal head at an inner side thereof.