CN205949887U - From centering multijaw linkage chuck - Google Patents
From centering multijaw linkage chuck Download PDFInfo
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- CN205949887U CN205949887U CN201620971480.0U CN201620971480U CN205949887U CN 205949887 U CN205949887 U CN 205949887U CN 201620971480 U CN201620971480 U CN 201620971480U CN 205949887 U CN205949887 U CN 205949887U
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- disk
- jaw
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- self
- centering
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Abstract
The utility model discloses a from centering multijaw linkage chuck, including the chuck body, many spouts have radially been offered to this chuck body top surface, and it is equipped with a claw component to slide in the every spout, and fixed disk and active partition that this chuck body was mainly arranged by the concentric circles form, are equipped with bearing assembly between this fixed disk and the active partition, and this active partition's top surface is provided with the parcel structure, and the parcel structure that active partition passes through the top surface meshes with the helicitic texture with the claw component bottom surface in the spout. The utility model is not only simple in structure, it is with low costs, can adapt to centre gripping centering and the thin walled structure of different diameter parts, the centre gripping centering of segmental arc structure work piece moreover.
Description
Technical field
This utility model is related to the centring means for Metal Cutting Machine Tool last time turning part, specifically a kind of self-centering multi-jaw
Coupled chuck.
Background technology
Chuck is for clamping the machinery of workpiece on lathe.Radial direction using the movable jaw being distributed on chuck body
Mobile, Workpiece clamping and the machine tool accessories of positioning.Chuck is typically by chuck body, movable jaw and claw drive mechanism three
It is grouped into.
Referring to traditional three-jaw self-centering chuck described in Fig. 1, including disk body（101）, claw（102）, parcel（103）With little
Bevel gear（104）, the disk body（101）The internal centre wheel back side that installs is provided with bevel gear, and is arranged on disk body（101）Side
The cone pinion in face（104）Engagement, rotates cone pinion using spanner（104）When, centre wheel rotation is driven, so as to centre wheel just
Flat thread [the i.e. parcel (103 in face）] force engage three claws (102) in disk body (101) I-shaped groove along disk body
(101) move radially, to clamp or prop up workpiece.On the centre wheel of above-mentioned chuck, parcel theoretical curve all uses A Ji meter
Moral helix, using spiral of Archimedes polar diameter direction etc. the property entered, when parcel (103) rotates, make three-jaw in disk body
Displacement in I-shaped groove is equal, so as to reach self-centering purpose.This design structure determines three-jaw self-centering chuck one
As be served only for the Workpiece clamping of minor diameter, and be not suitable with the workpiece of thin-wall construction, arcuate structure.
Content of the invention
The purpose of this utility model is：For above-mentioned the deficiencies in the prior art, there is provided a kind of simple structure, low cost,
Adapt to clamping centering and thin-wall construction, the self-centering multi-jaw linkage card of arc segment structure piece-holder centering of different-diameter part
Disk.
The technical solution adopted in the utility model is, a kind of self-centering multi-jaw coupled chuck, including chuck body, the chuck
Body top surface radially offers a plurality of chute, and in every chute, slidable fit has jaw components, and the chuck body is mainly by same
The fixed disk and movable disk composition of heart circle arrangement, is provided with bearing assembly between the fixed disk and movable disk, the movable disk
Top surface is provided with parcel structure, and movable disk is nibbled with helicitic texture with the jaw components bottom surface in chute by the parcel structure of top surface
Close.
The fixed disk bottom surface of the chuck body offers the annular space groove of assembling activity disk, and the bottom surface of fixed disk forms internal ring
And outer shroud, the inner face of the movable disk is assemblied in by bearing assembly on the outer face of the internal ring of fixed disk, the fixed disk
Outer shroud on be provided with the lock-screw of radial feed.
Further, the bottom of the movable disk is provided with spanner.
Further, each chute of the chuck body top surface is uniformly distributed upwards in the circumference of chuck body.
Further, the chute of the chuck body top surface is 12.
The jaw components are mainly made up of sliding shoe and locating piece, and the sliding shoe is slidedly assemblied in corresponding chute
Interior, the bottom surface of sliding shoe is provided with the screw thread of match activities disk top surface parcel structure, and the locating piece is fixed on the top of sliding shoe
Face, locating piece are raised from the top surface of chuck body.
Further, the locating piece of the jaw components is provided with positioning step.
Further, the sliding shoe of the jaw components is slidedly assemblied in corresponding chute with I-shaped structure.
Further, the bearing assembly fitting recess between the fixed disk and movable disk is mainly by ball grooves in movable disk and rolling
Pearl plug is constituted, and in the corresponding movable disk of the fixed disk, the position of ball grooves is step annular space structure, and the ball plug is fixed
On fixed disk, spacing to the ball that is arranged in ball grooves and step annular space.
The beneficial effects of the utility model are：
1. this utility model be not only simple in structure, low cost, and can adapt to different-diameter part clamping centering and
Thin-wall construction, the clamping centering of arc segment structure workpiece.
2. compared to traditional three-jaw self-centering chuck for, this utility model movable disk lower surface arrange spanner replace three
In jaw self-centering chuck, the cone tooth at the end-face helical parcel back side is bevel gear governor motion, pulls movable disk and do circumferential rotation to reach
Transhipment is dynamic, simple structure, easy to operate.This utility model replaces traditional three-jaw self-centering chuck using 12 jaw components
Chuck jaw number be three, with adapt to thin-wall construction, clamping major diameter workpiece, the piece-holder of arcuate structure.
Description of the drawings
Below in conjunction with the accompanying drawings this utility model is further described.
The structural representation of the existing three-jaw self-centering chucks of Fig. 1.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the structural representation of the A-A of Fig. 2.
Fig. 4 is the structural representation of chuck body and jaw components in Fig. 2 and Fig. 3.
Fig. 5 is partial enlarged drawing at the B of Fig. 3.
Code name implication in figure：101 disk bodies；102 claws；103 parcels；104 cone pinions；1 fixed disk；
2 chutes；3 locating pieces；4 sliding shoes；5 movable disks；6 spanners；7 lock-screws；8 fitting recess；9 balls；
10 ball plugs；11 ball pressing plates；12 grooves.
Specific embodiment
Referring to shown in Fig. 2 to Fig. 5：This utility model is a kind of self-centering multi-jaw coupled chuck, including chuck body.
Above-mentioned chuck body top surface radially offers a plurality of chute 2, and in every chute 2, slidable fit has jaw components,
The chuck body is mainly made up of the fixed disk 1 and movable disk 5 of arranged in concentric circles, is provided between the fixed disk 1 and movable disk 5
Bearing assembly, the top surface of the movable disk 5 are provided with parcel structure, and movable disk 5 is by the parcel structure and chute 2 of top surface
Engaged with helicitic texture jaw components bottom surface.
In the present embodiment, 1 bottom surface of fixed disk of above-mentioned chuck body offers the annular space groove of assembling activity disk 5, fixed disk 1
Bottom surface form inner ring and outer rings, the inner face of the movable disk 5 is assemblied in the outer end of the internal ring of fixed disk 1 by bearing assembly
On face, the lock-screw 7 of radial feed on the outer shroud of the fixed disk 1, is provided with.Arrange in the bottom of the movable disk 5
There is a spanner 6, drive movable disk 5 to rotate in a circumferential direction motion relative to fixed disk 1.Wherein, between the fixed disk 1 and movable disk 5
Bearing assembly fitting recess 8 is mainly made up of ball grooves in movable disk 5 and ball plug 10, in the corresponding movable disk 5 of the fixed disk 1
The position of ball grooves is step annular space structure, and the ball plug 10 is fixed on fixed disk 1, to ball by ball pressing plate 11
The ball 9 that is arranged in groove and step annular space is spacing；Fixed disk 1 can also be located at the relative inner of movable disk 5, can also be located at
The opposite exterior lateral sides of movable disk 5, as long as ensure that the jaw components on fixed disk can be driven in 5 rotary motion of movable disk to do radially to be entered
To motion.
In order to adapt to piece-holder, the self-centering of thin-wall construction, the workpiece of clamping major diameter and arcuate structure, this practicality is new
Type is preferably uniformly distributed in the circumference of chuck body upwards using each chute 2 of the chuck body top surface, above-mentioned chuck body top surface
Chute 2 is 12.
In addition, above-mentioned jaw components are mainly made up of sliding shoe 4 and locating piece 3, the sliding shoe 4 is slidedly assemblied in corresponding
Chute 2 in, the bottom surface of sliding shoe 4 is provided with the screw thread of 5 top surface parcel structure of match activities disk, and the locating piece 3 is fixed on
The top surface of sliding shoe 4, locating piece 3 are raised from the top surface of chuck body；Further, the locating piece 3 of the jaw components is provided with fixed
Position step, to reach effective clamping effect；The sliding shoe 4 of above-mentioned jaw components is slidedly assemblied in corresponding with I-shaped structure
In chute.Wherein, the top surface of locating piece 3 is radially arranged fluted 12.
The course of work：First according to the structure of institute's converted productss, determine and assemble above-mentioned self-centering multi-jaw coupled chuck；Will
Self-centering multi-jaw coupled chuck is installed on lathe（Vertical car or sleeping carriage）Independent chuck on, the position that is installed in the cylindrical of chuck body,
And centering chuck is in the centre of gyration of lathe；By workpiece（Major diameter, minor diameter, segmental arc or thin-wall workpiece）It is installed on locating piece 3
Mounting surface；The spanner 6 of 5 bottom of movable disk is pulled, and after workpiece being made by effectively clamping, centering, tightens the cylindrical upper place's locking of chuck body
Screw 7, so that movable disk 5 is fixed；Workpiece is carried out after leveling and adjusting again, turnery processing can be carried out.
Above concrete technical scheme only in order to this utility model to be described, rather than a limitation.Although with reference to above-mentioned concrete skill
Art scheme has been described in detail to this utility model, it will be understood by those within the art that：Which still can be right
Above-mentioned concrete technical scheme is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the essence of appropriate technical solution depart from spirit and scope of the present utility model.
Claims (9)
1. a kind of self-centering multi-jaw coupled chuck, including chuck body, the chuck body top surface radially offers a plurality of chute, per bar
In chute, slidable fit has jaw components, it is characterised in that：The chuck body mainly by arranged in concentric circles fixed disk and
Movable disk is constituted, and is provided with bearing assembly between the fixed disk and movable disk, and the top surface of the movable disk is provided with parcel structure,
Movable disk is engaged with helicitic texture with the jaw components bottom surface in chute by the parcel structure of top surface.
2. self-centering multi-jaw coupled chuck according to claim 1, it is characterised in that：Open the fixed disk bottom surface of the chuck body
The annular space groove of assembling activity disk is provided with, the bottom surface of fixed disk forms inner ring and outer rings, and the inner face of the movable disk passes through axle
Bearing assembly is assemblied on the outer face of the internal ring of fixed disk, is provided with the locking of radial feed on the outer shroud of the fixed disk
Screw.
3. self-centering multi-jaw coupled chuck according to claim 1 or claim 2, it is characterised in that：The bottom of the movable disk is arranged
There is spanner.
4. self-centering multi-jaw coupled chuck according to claim 1 or claim 2, it is characterised in that：Each cunning of the chuck body top surface
Groove is uniformly distributed upwards in the circumference of chuck body.
5. self-centering multi-jaw coupled chuck according to claim 4, it is characterised in that：The chute of the chuck body top surface is ten
Two.
6. self-centering multi-jaw coupled chuck according to claim 1, it is characterised in that：The jaw components are mainly by sliding shoe
Constitute with locating piece, the sliding shoe is slidedly assemblied in corresponding chute, and the bottom surface of sliding shoe is provided with match activities Pan Ding
The screw thread of face silk structure, the locating piece are fixed on the top surface of sliding shoe, and locating piece is raised from the top surface of chuck body.
7. self-centering multi-jaw coupled chuck according to claim 1 or 6, it is characterised in that：The locating piece of the jaw components
It is provided with positioning step.
8. self-centering multi-jaw coupled chuck according to claim 1 or 6, it is characterised in that：The sliding shoe of the jaw components
It is slidedly assemblied in corresponding chute with I-shaped structure.
9. self-centering multi-jaw coupled chuck according to claim 1 or claim 2, it is characterised in that：The fixed disk and movable disk it
Between bearing assembly fitting recess be mainly made up of ball grooves in movable disk and ball plug, roll in the corresponding movable disk of the fixed disk
The position of pearl groove is step annular space structure, and the ball plug is fixed on fixed disk, to institute's cloth in ball grooves and step annular space
The ball that puts is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971480.0U CN205949887U (en) | 2016-08-30 | 2016-08-30 | From centering multijaw linkage chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971480.0U CN205949887U (en) | 2016-08-30 | 2016-08-30 | From centering multijaw linkage chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205949887U true CN205949887U (en) | 2017-02-15 |
Family
ID=57981319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620971480.0U Active CN205949887U (en) | 2016-08-30 | 2016-08-30 | From centering multijaw linkage chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205949887U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160049A (en) * | 2017-07-11 | 2017-09-15 | 东莞市力星激光科技有限公司 | A kind of adjustable big stroke is to heart gripping dogs |
| CN107262759A (en) * | 2017-08-01 | 2017-10-20 | 杭州广旭数控设备有限公司 | A kind of lathe in machining two-jaw(ed)chuck self-alignment cramping arrangement |
| CN108058552A (en) * | 2018-01-25 | 2018-05-22 | 池学建 | A kind of tire superposition chuck and its method of work |
| CN109352524A (en) * | 2018-11-16 | 2019-02-19 | 芜湖仅机械有限公司 | A kind of five jaw self-centering clamping tools |
| CN111665274A (en) * | 2019-12-26 | 2020-09-15 | 宁波市宇华电器有限公司 | Workpiece table and polyethylene pipe nondestructive testing device |
-
2016
- 2016-08-30 CN CN201620971480.0U patent/CN205949887U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160049A (en) * | 2017-07-11 | 2017-09-15 | 东莞市力星激光科技有限公司 | A kind of adjustable big stroke is to heart gripping dogs |
| CN107262759A (en) * | 2017-08-01 | 2017-10-20 | 杭州广旭数控设备有限公司 | A kind of lathe in machining two-jaw(ed)chuck self-alignment cramping arrangement |
| CN108058552A (en) * | 2018-01-25 | 2018-05-22 | 池学建 | A kind of tire superposition chuck and its method of work |
| CN109352524A (en) * | 2018-11-16 | 2019-02-19 | 芜湖仅机械有限公司 | A kind of five jaw self-centering clamping tools |
| CN111665274A (en) * | 2019-12-26 | 2020-09-15 | 宁波市宇华电器有限公司 | Workpiece table and polyethylene pipe nondestructive testing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |