CN209867402U

CN209867402U - Novel hand chuck with curved head

Info

Publication number: CN209867402U
Application number: CN201920777776.2U
Authority: CN
Inventors: 王作凯
Original assignee: Dongguan Tejing Precision Fixture Co Ltd
Current assignee: Dongguan Tejing Precision Fixture Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2019-12-31
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a novel hand chuck with curved end, which comprises a mounting seat, a chassis, a shell, a clamping jaw, a turntable, a rotating piece and a quick connecting device, wherein in order to solve the problems that the prior chuck is usually fixedly connected through bolts, the disassembly and the installation are inconvenient and the maintenance is troublesome, the quick connecting device is arranged at the front end of the mounting seat, the pull ring is exerted with a pull force to drive a connector and a clamping piece to slide, the clamping piece is separated from a clamping hole, the clamping piece slides to extrude a spring, then an upward pull force is exerted on the mounting seat to slide the mounting seat out of the connecting groove, the bottom of the mounting seat is inserted from the rear end of the connecting groove during the installation, the clamping piece extrudes the spring inwards along a chute, the spring is compressed under the stress, when the clamping piece slides to the position of the clamping hole, the spring recovers to provide elastic force for the clamping piece, the clamping piece is clamped, the effect of making things convenient for the dismouting to maintain is reached.

Description

Novel hand chuck with curved head

Technical Field

The utility model relates to a chuck technical field, concretely relates to novel hand chuck of cranking head.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body, the chuck generally comprises the chuck body, the movable clamping jaws and a clamping jaw driving mechanism 3, the diameter of the chuck body is 65 mm at the minimum and can reach 1500 mm at the maximum, and a through hole is formed in the center so as to facilitate the workpiece or a bar material to pass through; the back part is provided with a cylindrical or short conical structure and is directly or through a flange plate connected with the end part of a main shaft of a machine tool, the chuck is usually arranged on a lathe, a cylindrical grinding machine and an internal grinding machine for use and can also be matched with various indexing devices for use on a milling machine and a drilling machine, but the existing chuck is usually fixedly connected through bolts, so that the disassembly and the installation are inconvenient, and the maintenance is troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, present a novel hand chuck of cranking head, solved current chuck and passed through bolt fixed connection usually, it is inconvenient to dismantle the installation, relatively more troublesome problem during the maintenance.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel hand chuck with curved head, which comprises a mounting seat, a chassis, a shell, a claw, a rotary disc, a rotary piece and a quick connecting device, wherein the top of the mounting seat is fixedly connected with the chassis, the top of the chassis is fixedly connected with the shell through a bolt, the top of the shell is slidably connected with the bottom of the claw, the inside of the shell is provided with the rotary disc, the top of the rotary disc is meshed with the claw, the bottom of the rotary disc is meshed with the rotary piece, the bottom of the rotary piece is rotatably connected with the chassis, the front end of the mounting seat is fixedly connected with the rear end of the quick connecting device, the quick connecting device consists of a slide block, a connecting groove, a spring, a clamping piece, a connector, a pull ring, a sliding groove and a clamping hole, the rear end of the slide block is provided with the connecting groove, the left end of the slide block is, the spring right-hand member is hugged closely in the fastener middle part, the external screw thread and connector fixed connection that the fastener left end set up through the surface, connector left end and pull ring swing joint, card hole left end is pegged graft fixedly with the fastener, card hole sets up in both ends about the mount pad, card hole bottom is provided with by dark spout to shallowly, the slider rear end passes through spread groove and mount pad fixed connection.

Furthermore, the front end of the sliding block is provided with a circular mounting hole, and the mounting holes are symmetrically distributed.

Furthermore, a ring with a limiting function is arranged in the middle of the clamping piece.

Furthermore, the shape of the clamping hole is circular, and the size of the hole diameter is matched with that of the clamping piece.

Furthermore, the size of the connecting groove is matched with that of the front end of the mounting seat.

Furthermore, the inner surface of the connector is provided with uniformly arranged internal threads.

Furthermore, the right end of the pull ring can rotate along the left end of the connector by an angle of 0-180 degrees.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) for solving current chuck and passing through bolt fixed connection usually, it is inconvenient to dismantle the installation, more troublesome problem during maintenance, front end through at the mount pad has set up quick-connect device, through applying the pulling force to the pull ring, it slides to drive connector and fastener, with fastener and card hole separation, the fastener slides and extrudes the spring simultaneously, then upwards pulling force is applyed to the mount pad, with the mount pad roll-off in by the spread groove, insert the mount pad bottom by the spread groove rear end during the installation, make the fastener along the inside extrusion spring of spout, make the spring atress compress, when sliding card hole position, the spring recovers and provides elasticity for the fastener, make the fastener card go into the downthehole fixing of card to the mount pad, reach the effect of making things convenient for the dismouting to carry out the maintenance.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic structural view of the quick coupling device of the present invention;

fig. 4 is a schematic sectional structure diagram of the quick connection device of the present invention.

In the figure: the device comprises a mounting base-1, a chassis-2, a shell-3, a claw-4, a rotary disc-5, a rotating part-6, a quick connecting device-7, a sliding block-71, a connecting groove-72, a spring groove-73, a spring-74, a clamping piece-75, a connector-76, a pull ring-77, a sliding groove-78 and a clamping hole-79.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3 and 4, the present invention provides a novel curved-head manual chuck: comprises a mounting seat 1, a chassis 2, a shell 3, a jaw 4, a rotary disc 5, a rotating part 6 and a quick connecting device 7, wherein the top of the mounting seat 1 is fixedly connected with the chassis 2, the top of the chassis 2 is fixedly connected with the shell 3 through a bolt, the top of the shell 3 is slidably connected with the bottom of the jaw 4, the inside of the shell 3 is provided with the rotary disc 5, the top of the rotary disc 5 is meshed with the jaw 4, the bottom of the rotary disc 5 is meshed with the rotating part 6, the bottom of the rotating part 6 is rotatably connected with the chassis 2, the front end of the mounting seat 1 is fixedly connected with the rear end of the quick connecting device 7, the quick connecting device 7 consists of a sliding block 71, a connecting groove 72, a spring groove 73, a spring 74, a clamping part 75, a connecting head 76, a pull ring 77, a sliding groove 78 and a clamping hole 79, the rear end of the sliding block 71 is provided with the connecting, spring 74 right-hand member hugs closely in fastener 75 middle part, and fastener 75 left end passes through the external screw thread and connector 76 fixed connection that the surface set up, connector 76 left end and pull ring 77 swing joint, and it is fixed to peg graft with fastener 75 the left end in card hole 79, and card hole 79 sets up both ends about mount pad 1, and card hole 79 bottom is provided with by dark to shallow spout 78, and slider 71 rear end passes through spread groove 72 and mount pad 1 fixed connection.

The front end of the sliding block 71 is provided with a circular mounting hole, and the mounting holes are symmetrically distributed, so that the sliding block can be conveniently fixed and locked through bolts.

Wherein, the middle part of the clamping piece 75 is provided with a ring with a limiting function, so that the spring 74 can be conveniently compressed when the clamping piece 75 slides towards the left end.

The shape of the clamping hole 79 is circular, the aperture size of the clamping hole is matched with the size of the clamping piece 75, and the installation seat 1 is conveniently inserted and fixed.

The size of the connecting groove 72 is matched with that of the front end of the mounting base 1, and fixed connection is convenient to carry out.

The inner surface of the connector 76 is provided with uniformly arranged internal threads, so that the connector can be conveniently and fixedly connected with external threads arranged on the outer surface of the left end of the clamping piece 75.

The right end of the pull ring 77 can rotate along the left end of the connector 76 by 0-180 degrees, so that the pull ring 77 is conveniently attached to the connector 76.

The working principle is as follows: firstly, the device is moved to a proper position, the device is installed through a mounting hole arranged at the bottom of a sliding block 71, when an object needs to be fixed, the object is placed between four clamping jaws 4, then the device is spliced with a rotating piece 6 through an external tool, then the external tool is rotated, the rotating piece 6 is driven to rotate along a chassis 2 through the rotation of the external tool, the rotating piece 6 drives a rotating disc 5 to rotate, the rotating disc 5 drives the clamping jaws 4 to slide inwards to clamp the object needing to be fixed, when maintenance needs to be carried out, a pull ring 77 is exerted to pull force to drive a connector 76 and a clamping piece 75 to slide, the clamping piece 75 is separated from a clamping hole 79, meanwhile, the clamping piece 75 slides to extrude a spring 74, then upward pull force is exerted on a mounting seat 1, the mounting seat 1 slides out from a connecting groove 72 to carry out maintenance, and overhaul are carried out, when, the bottom of the mounting seat 1 is inserted from the rear end of the connecting groove 72, the clamping piece 75 extrudes the spring 74 inwards along the sliding groove 78, the spring 74 is stressed to be compressed, when the clamping piece slides to the position of the clamping hole 79, the spring recovers to provide elastic force for the clamping piece 75, and the clamping piece 75 is clamped into the clamping hole 79 to fix the mounting seat 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel manual chuck of turn round head, includes mount pad (1), chassis (2), shell (3), jack catch (4), carousel (5) and rotates piece (6), mount pad (1) top and chassis (2) fixed connection, bolt fixed connection is passed through with shell (3) in chassis (2) top, shell (3) top and jack catch (4) bottom sliding connection, shell (3) inside is provided with carousel (5), carousel (5) top and jack catch (4) intermeshing, carousel (5) bottom and rotation piece (6) intermeshing, it rotates with chassis (2) to rotate piece (6) bottom and is connected, mount pad (1) front end and quick-connect device (7) rear end fixed connection

The method is characterized in that: the quick connection device (7) is characterized by further comprising a quick connection device (7), the quick connection device (7) is composed of a sliding block (71), a connection groove (72), a spring groove (73), a spring (74), a clamping piece (75), a connector (76), a pull ring (77), a sliding groove (78) and a clamping hole (79), the connection groove (72) is formed in the rear end of the sliding block (71), the two spring grooves (73) which are symmetrically distributed are formed in the left end and the right end of the sliding block (71), the inner side of the left end in the spring groove (73) is attached to the left end of the spring (74) providing elasticity, the right end of the spring (74) is tightly attached to the middle of the clamping piece (75), the left end of the clamping piece (75) is fixedly connected with the connector (76) through external threads arranged on the outer surface, the left end of the connector (76) is movably connected with the pull ring (77), the left end of the clamping hole (79) is fixedly connected with, the bottom of the clamping hole (79) is provided with a sliding groove (78) from deep to shallow, and the rear end of the sliding block (71) is fixedly connected with the mounting seat (1) through a connecting groove (72).

2. The novel curved-end hand chuck as claimed in claim 1, wherein: the front end of the sliding block (71) is provided with a circular mounting hole, and the mounting holes are symmetrically distributed.

3. The novel curved-end hand chuck as claimed in claim 1, wherein: and a ring with a limiting function is arranged in the middle of the clamping piece (75).

4. The novel curved-end hand chuck as claimed in claim 1, wherein: the shape of the clamping hole (79) is circular, and the size of the hole diameter is matched with that of the clamping piece (75).

5. The novel curved-end hand chuck as claimed in claim 1, wherein: the size of the connecting groove (72) is matched with that of the front end of the mounting seat (1).

6. The novel curved-end hand chuck as claimed in claim 1, wherein: the inner surface of the connector (76) is provided with uniformly arranged internal threads.

7. The novel curved-end hand chuck as claimed in claim 1, wherein: the right end of the pull ring (77) can rotate along the left end of the connecting head (76) by 0-180 degrees.