CN213614358U

CN213614358U - Quick self-centering chuck

Info

Publication number: CN213614358U
Application number: CN202022336685.0U
Authority: CN
Inventors: 郑健
Original assignee: Wuxi Zhenxiang Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Zhenxiang Precision Machinery Manufacturing Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-06
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a fast self-centering chuck, which comprises a first shaft sleeve, wherein the inner wall of the first shaft sleeve is connected with one side of the outer wall of a second shaft sleeve in a sliding way, the other side of the outer wall of the second shaft sleeve is connected with one side of the inner part of a first sleeve in a clamping way, one side of the inner wall of the second shaft sleeve is contacted with one end of a chuck body, the fast self-centering chuck is convenient for fast mounting and replacing the chuck body by the way of arranging the second shaft sleeve, the first sleeve, the second sleeve, a first circular groove, a second circular groove, a third circular groove, a first circular ring, a second circular ring, balls and clamping columns, the whole chuck device is not required to be dismounted and replaced completely, the use cost is reduced, the resources are saved, the telescopic rods are fixedly arranged at the two ends of one side of the second shaft sleeve, the outer wall sleeves of the two telescopic rods are respectively sleeved with two springs, and the buffer is realized when the, the clamping head can not deform the surface clamp of the part, and the integrity of the part is protected.

Description

Quick self-centering chuck

Technical Field

The utility model relates to a chuck, in particular to quick self-centering chuck belongs to mechanical technical field.

Background

The chuck is called as elastic chuck or collet chuck, is a cylindrical fixture for fastening drill or milling cutter and is also a fixing device for fixing and reinforcing the part to be modified.

In the current life, traditional chuck and axle sleeve are fixed to be set up together, and unable dismantlement when chuck body damages, need dismantle the change with whole chuck device, have not only increased use cost, and the resource-wasting moreover, simultaneously, traditional chuck device does not have buffer, when chuck device presss from both sides tightly the part, presss from both sides the part surface easily and warp, causes the part to damage can't pair with other parts and uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick self-centering chuck to the unable dismantlement that provides in solving above-mentioned background art changes the chuck, does not have buffer's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick self-centering chuck, includes first axle sleeve, the inner wall of first axle sleeve and one side sliding connection of second axle sleeve outer wall, the opposite side and the inside one side block of first cutting ferrule of second axle sleeve outer wall are connected, one side and the one end contact of pressing from both sides the body of second axle sleeve inner wall, one side and one side threaded connection of second cutting ferrule inner wall of first cutting ferrule outer wall.

As a preferred technical scheme of the utility model, the both ends of second axle sleeve one side are all fixed and are equipped with the telescopic link, two the other end of telescopic link respectively with the both ends fixed connection of first axle sleeve inside one side, two the outer wall cover of telescopic link has cup jointed two springs, two respectively the both ends of setting in second axle sleeve one side, two are fixed respectively to the one end of spring the other end of spring respectively with the both ends fixed connection of first axle sleeve inside one side.

As a preferred technical scheme of the utility model, the fixed first ring that is equipped with of one end of second axle sleeve outer wall opposite side, first ring and first circular slot sliding connection, one side at first cutting ferrule inner wall is seted up to first circular slot.

As a preferred technical scheme of the utility model, the second circular slot has been seted up to one side of second axle sleeve inner wall, the inner wall of second circular slot is equipped with a plurality of balls, one side of ball outer wall and one side contact of chuck body outer wall.

As a preferred technical scheme of the utility model, the fixed second ring that is equipped with in one side at chuck body outer wall middle part, one side of second ring and one side contact of third circular slot, the inner wall of third circular slot is fixed and is equipped with a plurality of double-layered posts, the other end that presss from both sides the post contacts with the opposite side at chuck body outer wall middle part.

As a preferred technical scheme of the utility model, the both ends of second axle sleeve outer wall one side are all fixed and are equipped with the slider, two the slider respectively with two spout sliding connection, two the both sides at first axle sleeve inner wall are seted up respectively to the spout.

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

1. the utility model relates to a quick self-centering chuck, through being equipped with second shaft sleeve, first cutting ferrule, second cutting ferrule, first circular slot, second circular slot, third circular slot, first ring, second circular slot, ball and pressing from both sides the post, be convenient for install fast and change chuck body through this kind of mode, need not to dismantle the change with whole chuck device is whole, reduce use cost, save the resource.

2. The utility model relates to a quick self-centering chuck, through being equipped with the second shaft cover, the both ends of second shaft cover one side are all fixed and are equipped with the telescopic link, the other end of two telescopic links respectively with the both ends fixed connection of first shaft cover inside one side, two springs have been cup jointed respectively to the outer wall cover of two telescopic links, the both ends of two springs respectively with the both ends of second shaft cover one side and the both ends fixed connection of first shaft cover inside one side, cushion when chuck centre gripping part through this kind of mode, make the chuck can not press from both sides the part surface and warp, the integrality of protection part.

Drawings

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

fig. 2 is a schematic plan view of the present invention;

fig. 3 is a schematic structural diagram of the buffering mechanism of the present invention.

In the figure: 1. a first bushing; 2. a second shaft sleeve; 3. a first ferrule; 4. a second ferrule; 5. a chuck body; 6. a first circular ring; 7. a first circular groove; 8. a second circular groove; 9. a ball bearing; 10. clamping the column; 11. a second circular ring; 12. a slider; 13. a chute; 14. a telescopic rod; 15. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a fast self-centering chuck, which comprises a first shaft sleeve 1, wherein the inner wall of the first shaft sleeve 1 is slidably connected with one side of the outer wall of a second shaft sleeve 2, the other side of the outer wall of the second shaft sleeve 2 is connected with one side of the inner wall of a first sleeve chuck 3 in a clamping way, the second shaft sleeve 2 and the first sleeve chuck 3 are elastic parts, one side of the inner wall of the second shaft sleeve 2 is contacted with one end of a chuck body 5, one side of the outer wall of the first sleeve chuck 3 is connected with one side of the inner wall of a second sleeve chuck 4 in a threaded way, when one end of the first sleeve chuck 3 is opened, one end of a clamping column 10 is not contacted with a second ring 11, one end of the other side of the outer wall of the second shaft sleeve 2 is fixedly provided with a first ring 6, the first ring 6 is slidably connected with a first circular groove 7, the first circular groove 7 is arranged at one side of the inner wall of the first sleeve chuck 3, one side of ball 9 outer wall and the contact of one side of 5 outer walls of chuck body, the fixed second ring 11 that is equipped with in one side at 5 outer walls of chuck body middle parts, one side of second ring 11 and the contact of one side of third circular slot, the fixed a plurality of double-layered posts 10 that are equipped with of inner wall of third circular slot, the other end that presss from both sides post 10 and the contact of the opposite side at 5 outer walls of chuck body middle parts.

Please refer to fig. 3, two ends of one side of the second shaft sleeve 2 are both fixedly provided with a telescopic rod 14, the other ends of the two telescopic rods 14 are respectively fixedly connected with two ends of one side of the inside of the first shaft sleeve 1, the outer wall sleeves of the two telescopic rods 14 are respectively sleeved with two springs 15, one ends of the two springs 15 are respectively fixedly arranged at two ends of one side of the second shaft sleeve 2, the other ends of the two springs 15 are respectively fixedly connected with two ends of one side of the inside of the first shaft sleeve 1, two ends of one side of the outer wall of the second shaft sleeve 2 are both fixedly provided with a sliding block 12, the two sliding blocks 12 are respectively slidably connected with two sliding grooves 13, the sliding blocks 12 and the sliding grooves 13 are both arc-.

When in use, the utility model relates to a fast self-centering chuck, firstly, the second cutting ferrule 4 is rotated to separate the second cutting ferrule 4 from one side of the outer wall of the first cutting ferrule 3, the second cutting ferrule 4 is taken down, one side of the outer wall of the first cutting ferrule 3 is separated from the second cutting ferrule 4 to open one side of the outer wall of the first cutting ferrule 3, one side of the outer wall of the first cutting ferrule 3 is opened to ensure that a clamping column 10 fixed on a third circular groove at the other side of the inner wall of the first cutting ferrule 3 is not contacted with one side of the middle part of the outer wall of the chuck body 5, meanwhile, a second circular ring 11 fixed at the other side of the middle part of the outer wall of the chuck body 5 is not contacted with one side of the third circular groove, secondly, the first cutting ferrule 3 is moved rightwards to ensure that a first circular groove 7 arranged at one side of the inner wall of the first cutting ferrule 3, the other end of the second sleeve 2 is opened to prevent the balls 9 from contacting one side of the outer wall of the chuck body 5, and then the chuck body 5 is taken out and replaced.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick self-centering chuck, includes first axle sleeve (1), its characterized in that, the inner wall of first axle sleeve (1) and one side sliding connection of second axle sleeve (2) outer wall, the opposite side of second axle sleeve (2) outer wall is connected with the inside one side block of first cutting ferrule (3), one side of second axle sleeve (2) inner wall and the one end contact of chuck body (5), one side of first cutting ferrule (3) outer wall and one side threaded connection of second cutting ferrule (4) inner wall.

2. A quick self-centering collet as defined in claim 1, wherein: the both ends of second axle sleeve (2) one side all are fixed and are equipped with telescopic link (14), two the other end of telescopic link (14) respectively with the both ends fixed connection of first axle sleeve (1) inside one side, two spring (15), two have been cup jointed respectively to the outer wall of telescopic link (14) the one end of spring (15) is fixed the both ends that set up respectively in second axle sleeve (2) one side, two the other end of spring (15) respectively with the both ends fixed connection of first axle sleeve (1) inside one side.

3. A quick self-centering collet as defined in claim 1, wherein: the one end of second axle sleeve (2) outer wall opposite side is fixed and is equipped with first ring (6), first ring (6) and first circular slot (7) sliding connection, one side at first cutting ferrule (3) inner wall is seted up in first circular slot (7).

4. A quick self-centering collet as defined in claim 1, wherein: and a second circular groove (8) is formed in one side of the inner wall of the second shaft sleeve (2), a plurality of balls (9) are arranged on the inner wall of the second circular groove (8), and one side of the outer wall of each ball (9) is in contact with one side of the outer wall of the chuck body (5).

5. A quick self-centering collet as defined in claim 4, wherein: the fixed second ring (11) that is equipped with in one side at chuck body (5) outer wall middle part, one side of second ring (11) and one side contact of third circular slot, the inner wall of third circular slot is fixed and is equipped with a plurality of clamp posts (10), the other end that presss from both sides post (10) contacts with the opposite side at chuck body (5) outer wall middle part.

6. A quick self-centering collet as defined in claim 2, wherein: both ends of second axle sleeve (2) outer wall one side all are fixed and are equipped with slider (12), two slider (12) respectively with two spout (13) sliding connection, two spout (13) are seted up respectively in the both sides of first axle sleeve (1) inner wall.