CN210633538U

CN210633538U - Anti-jamming chuck with thrust bearing

Info

Publication number: CN210633538U
Application number: CN201921444799.8U
Authority: CN
Inventors: 彭瑞娇
Original assignee: Devry Precision Machinery Co ltd
Current assignee: Devry Precision Machinery Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-29
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a take thrust bearing's anti-sticking material chuck, including fixture and pneumatic cylinder, fixture includes chassis, sliding sleeve and collet chuck, the chassis includes holds in the palm end and axle sleeve, the collet chuck includes clamping part and elastic connection piece, be equipped with first thrust bearing on the outer wall of axle sleeve, be equipped with reset bearing on the axle sleeve, and still be equipped with fixation nut on the axle sleeve; the cylinder body inboard of pneumatic cylinder is equipped with first ladder, install bearing washer clamp plate lid on the first ladder, be equipped with first input, second input and piston on the cylinder body of pneumatic cylinder, the piston is located between first input, the second input and within sliding fit and the cylinder body, the piston is equipped with the second ladder, install second thrust bearing on the second ladder, second thrust bearing's lower gasket is located the bottom surface of second ladder, the top of piston is connected with the auxiliary bearing, the mutual sliding fit in side of auxiliary bearing and sliding sleeve.

Description

Anti-jamming chuck with thrust bearing

Technical Field

The utility model belongs to the technical field of the chuck and specifically relates to a prevent card material chuck with thrust bearing is related to.

Background

The thrust bearing is a special bearing for bearing axial force, namely a bearing for bearing force in the direction parallel to the shaft, the thrust bearing is also called as a thrust bearing, and the chuck thrust bearing is mainly applied to the automation industry and can accelerate the production efficiency of finished products;

and after the gasoline pressure head pushes pressure to the piston through the first input end, the piston pushes the bearing transmission sliding sleeve to press the collet chuck to clamp, then the pressure input through the second input end resets the piston, the sliding sleeve and the collet chuck in the opposite direction, and finally a complete action is completed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

The clamping-preventing chuck with the thrust bearing comprises a clamping mechanism and a hydraulic cylinder which are coaxially arranged, wherein the hydraulic cylinder is annular, the clamping mechanism is sleeved with the hydraulic cylinder and is in rotating fit with the hydraulic cylinder, the clamping mechanism comprises a chassis, a sliding sleeve and a collet chuck, the chassis comprises a support bottom and a shaft sleeve, the support bottom is annular, and the shaft sleeve is of a cylindrical structure formed by the support bottom and the inner edge of the support bottom; a second inclined plane is arranged on the inner side of the top end of the sliding sleeve, and a convex ring is further arranged on the bottom end of the outer side of the sliding sleeve; the collet comprises a clamping part and an elastic connecting sheet, the tail end of the elastic connecting sheet is connected to the bottom of the shaft sleeve, the top end of the elastic connecting sheet is connected with the clamping part, a first inclined plane is arranged on the outer side of the top end of the clamping part, and the first inclined plane of the clamping part is in sliding fit with a second inclined plane on the sliding sleeve; the outer wall of the shaft sleeve is provided with a first thrust bearing, the bottom surface of a lower gasket of the first thrust bearing is contacted with the support bottom, the shaft sleeve is provided with a reset bearing positioned above an upper gasket of the first thrust bearing, the shaft sleeve is also provided with a fixing nut, and the fixing nut limits the axial position of the reset bearing on the shaft sleeve, so that the longitudinal displacement of the first thrust bearing is limited; the inner side of a cylinder body of the hydraulic cylinder is provided with a first ladder, the first ladder is provided with a bearing gasket pressing plate cover, the bearing gasket pressing plate cover is in contact with the side face of a lower gasket of the first thrust bearing and limits the transverse displacement of the first thrust bearing, the cylinder body of the hydraulic cylinder is provided with a first input end, a second input end and a piston, the piston is positioned between the first input end and the second input end and is in sliding fit with the cylinder body, the tail end of the first input end is in contact with the piston, the lower part of the inner side of the piston is provided with a second ladder, the inner side of the piston is provided with a clearance groove, the clearance groove is positioned above the second ladder, the piston is also provided with a third ladder connected with a convex ring on the bottom end of the outer side of the sliding sleeve, the second ladder is provided with a second thrust bearing, the lower gasket of the second thrust bearing is positioned on the bottom surface of the second ladder, and the auxiliary bearing is in sliding fit with the side surface of the sliding sleeve.

Preferably, the bottom end of the elastic connecting sheet is provided with a base, and the base is fixed on the bottom of the shaft sleeve through a bolt.

Preferably, the secondary bearing is fixed to the piston by a bolt.

Preferably, the bearing washer platen cover is fixed to the cylinder block by bolts.

Compared with the prior art, the beneficial effects of the utility model are that: on the basis of general chuck thrust bearing, increased bearing washer clamp plate lid and reset bearing, through second input pressure back, by bearing washer clamp plate lid with reset bearing, fixation nut interact make first thrust bearing not break away from, piston and auxiliary bearing interact force the playback with the sliding sleeve with second thrust bearing, the collet chuck is flicked, then the card material problem can not appear.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an anti-jamming chuck with a thrust bearing according to the present invention;

fig. 2 is a schematic structural view of a collet in the anti-jamming collet with a thrust bearing according to the present invention;

fig. 3 is a schematic structural view of a chassis in the anti-jamming chuck of the present invention with a thrust bearing;

FIG. 4 is a schematic structural view of a sliding sleeve in the anti-jamming chuck of the present invention with a thrust bearing;

fig. 5 is a schematic structural diagram of a piston in the anti-jamming chuck with a thrust bearing of the present invention.

In the figure: the device comprises a collet 1, a sliding sleeve 2, an auxiliary bearing 3, a piston 4, a reset bearing 5, a fixing nut 6, a bearing washer pressing plate cover 7, a chassis 8, a first thrust bearing 9, a second thrust bearing 10, a first input end 11, a second input end 12, a hydraulic cylinder 13, a shaft sleeve 14, a support bottom 15, a clearance groove 16, a first step 17, a second step 18, a third step 19, a clamping component 20, an elastic connecting sheet 21, a convex ring 22, a first inclined surface 23 and a second inclined surface 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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 to 5, in an embodiment of the present invention, an anti-jamming chuck with a thrust bearing includes a clamping mechanism and a hydraulic cylinder 13 coaxially disposed, where the hydraulic cylinder 13 is in a ring shape, the clamping mechanism is sleeved with the hydraulic cylinder 13 and rotationally matched with the hydraulic cylinder 13, the clamping mechanism includes a chassis 8, a sliding sleeve 2 and a collet 1, the chassis 8 includes a support bottom 15 and a shaft sleeve 14, the support bottom 15 is in a ring shape, and the shaft sleeve 14 is a formed cylindrical structure with an inner edge of the support bottom 15; a second inclined plane 24 is arranged on the inner side of the top end of the sliding sleeve 2, and a convex ring 22 is further arranged on the bottom end of the outer side of the sliding sleeve 2; the collet 1 comprises a clamping part 20 and an elastic connecting sheet 21, the tail end of the elastic connecting sheet 21 is connected to the bottom of the shaft sleeve 14, the top end of the elastic connecting sheet 21 is connected with the clamping part 20, a first inclined surface 23 is arranged on the outer side of the top end of the clamping part 20, and the first inclined surface 23 of the clamping part 20 is in sliding fit with a second inclined surface 24 on the sliding sleeve 2; the outer wall of the shaft sleeve 14 is provided with a first thrust bearing 9, the bottom surface of a lower gasket of the first thrust bearing 9 is contacted with the support bottom 15, the shaft sleeve 14 is provided with a reset bearing 5 positioned above an upper gasket of the first thrust bearing 9, the shaft sleeve 14 is also provided with a fixing nut 6, and the fixing nut 6 limits the axial position of the reset bearing 5 on the shaft sleeve 14, so that the longitudinal displacement of the first thrust bearing 9 is limited; the inner side of the cylinder body of the hydraulic cylinder 13 is provided with a first step 17, the first step 17 is provided with a bearing gasket pressing plate cover 7, the bearing gasket pressing plate cover 7 contacts with the side surface of a lower gasket of the first thrust bearing 9 and limits the transverse displacement of the first thrust bearing 9, the cylinder body of the hydraulic cylinder 13 is provided with a first input end 11, a second input end 12 and a piston 4, the piston 4 is positioned between the first input end 11 and the second input end 12 and is in sliding fit with the cylinder body, the tail end of the first input end 11 is contacted with the piston 4, the lower part of the inner side of the piston 4 is provided with a second step 18, the inner side of the piston 4 is provided with a clearance groove 16, the clearance groove 16 is positioned above the second step 18, the piston 4 is also provided with a third step 19 connected with a convex ring 22 on the bottom end of the outer side of the sliding sleeve 2, and the second thrust bearing 10 is arranged on, the lower gasket of the second thrust bearing 10 is positioned on the bottom surface of the second step 18, the top end of the piston 4 is connected with an auxiliary bearing 3, and the auxiliary bearing 3 is in sliding fit with the side surface of the sliding sleeve 2.

The bottom end of the elastic connecting sheet 21 is provided with a base which is fixed on the bottom of the shaft sleeve 14 through a bolt.

The auxiliary bearing 3 is fixed on the piston 4 through a bolt.

And the bearing washer pressure plate cover 7 is fixed on the cylinder body through a bolt.

The utility model discloses a theory of operation is: the gasoline pressure head pushes the piston 4 through the input pressure of the first input end 11, the piston 4 pushes the second thrust bearing 10 to further push the sliding sleeve 2, and the sliding sleeve 2 presses down the collet 1 to perform clamping work; after the gasoline pressure head inputs pressure through the second input end 12, the bearing washer pressure plate cover 7, the reset bearing 5 and the fixing nut 6 still fix the first thrust bearing 9, so that the first thrust bearing 9 is not separated, and the piston 4 forcibly resets the sliding sleeve 2 and the second thrust bearing 10 under the pulling of the auxiliary bearing 3 to flick the collet 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The clamping-preventing chuck with the thrust bearing comprises a clamping mechanism and a hydraulic cylinder which are coaxially arranged, wherein the hydraulic cylinder is annular, and the clamping mechanism is sleeved with the hydraulic cylinder and is in running fit with the hydraulic cylinder; a second inclined plane is arranged on the inner side of the top end of the sliding sleeve, and a convex ring is further arranged on the bottom end of the outer side of the sliding sleeve; the collet comprises a clamping part and an elastic connecting sheet, the tail end of the elastic connecting sheet is connected to the bottom of the shaft sleeve, the top end of the elastic connecting sheet is connected with the clamping part, a first inclined plane is arranged on the outer side of the top end of the clamping part, and the first inclined plane of the clamping part is in sliding fit with a second inclined plane on the sliding sleeve; the outer wall of the shaft sleeve is provided with a first thrust bearing, the bottom surface of a lower gasket of the first thrust bearing is contacted with the support bottom, the shaft sleeve is provided with a reset bearing positioned above an upper gasket of the first thrust bearing, the shaft sleeve is also provided with a fixing nut, and the fixing nut limits the axial position of the reset bearing on the shaft sleeve, so that the longitudinal displacement of the first thrust bearing is limited; the inner side of a cylinder body of the hydraulic cylinder is provided with a first ladder, the first ladder is provided with a bearing gasket pressing plate cover, the bearing gasket pressing plate cover is in contact with the side face of a lower gasket of the first thrust bearing and limits the transverse displacement of the first thrust bearing, the cylinder body of the hydraulic cylinder is provided with a first input end, a second input end and a piston, the piston is positioned between the first input end and the second input end and is in sliding fit with the cylinder body, the tail end of the first input end is in contact with the piston, the lower part of the inner side of the piston is provided with a second ladder, the inner side of the piston is provided with a clearance groove, the clearance groove is positioned above the second ladder, the piston is also provided with a third ladder connected with a convex ring on the bottom end of the outer side of the sliding sleeve, the second ladder is provided with a second thrust bearing, the lower gasket of the second thrust bearing is positioned on the bottom surface of the second ladder, and the auxiliary bearing is in sliding fit with the side surface of the sliding sleeve.

2. The anti-jamming chuck according to claim 1, wherein the bottom end of the elastic connecting piece is provided with a base, and the base is fixed on the bottom of the shaft sleeve through a bolt.

3. The anti-seize chuck with thrust bearing according to claim 1, wherein the secondary bearing is fixed to the piston by bolts.

4. The anti-seize chuck with thrust bearing according to claim 1, wherein said bearing washer platen cover is bolted to the cylinder block.