CN107008931A - A kind of Split type flexible chuck - Google Patents
A kind of Split type flexible chuck Download PDFInfo
- Publication number
- CN107008931A CN107008931A CN201710402379.2A CN201710402379A CN107008931A CN 107008931 A CN107008931 A CN 107008931A CN 201710402379 A CN201710402379 A CN 201710402379A CN 107008931 A CN107008931 A CN 107008931A
- Authority
- CN
- China
- Prior art keywords
- endoporus
- chuck
- cylindrical
- split type
- type flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a kind of Split type flexible chuck, wherein, including：Chuck and collet body, collet body includes the first endoporus, the second endoporus, the 3rd endoporus and the 4th endoporus, first endoporus is connected with the second endoporus, and first endoporus internal diameter be more than the second endoporus internal diameter, the first of chuck cylindrical is socketed in the first endoporus, the second of chuck cylindrical is socketed in the second endoporus, the cylindrical external diameter of chuck first is more than the second cylindrical external diameter of chuck, 3rd endoporus is to be provided with connection screw thread on the second endoporus of connection and the through hole of the 4th endoporus, the inwall of the 4th endoporus.The Split type flexible chuck that the present invention is provided has that clamping precision is higher, operating more stably and life-span longer advantage.
Description
Technical field
The present invention relates to chuck field, more particularly to a kind of Split type flexible chuck.
Background technology
The collet being arranged on machining apparatus such as numerically controlled lathe is presently used for, its function is to clamp workpiece.It is existing
There is the collet of use, be that bulk metal is processed, surrounded and formed by polylith metal, when deployed, metal is integrally past
Post-tensioning, is tightened so as to clamping workpiece by the taper on chuck, and the contact surface of itself and workpiece is that have one tiltedly when this structure is tightened up
Degree, using the chuck of simple metal structure fabrication, its tighten during to by comparing clamping face that sharp shape constitutes and non-
Metal parts is easily crushed, and axially position end face and workpiece positioning end face offset extruding, after Reusability, axially position end face
There is impression, the reduction of axially position precision so has a strong impact on the crudy of product.
Therefore, how to realize that the clamping to workpiece turns into urgently to be resolved hurrily in the case where not influenceing the crudy of product
Technical problem.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art, there is provided a kind of Split type flexible folder
Head, to solve the problems of the prior art.
As one aspect of the present invention there is provided a kind of Split type flexible chuck, wherein, the Split type flexible chuck bag
Include：Chuck and collet body, the collet body include the first endoporus, the second endoporus, the 3rd endoporus and the 4th endoporus, institute
The first endoporus is stated to be connected with second endoporus, and internal diameter of the internal diameter more than second endoporus of first endoporus, it is described
Chuck first it is cylindrical be socketed in first endoporus, the chuck second it is cylindrical be socketed in second endoporus, institute
State the second cylindrical external diameter that the cylindrical external diameter of chuck first is more than the chuck, the first cylindrical and described chuck of the chuck
The elastic clip end face of the second cylindrical connecting end surface and the collet body offset, and connected by multiple screw axials,
To be fixedly connected between the chuck and the collet body, the 3rd endoporus is connection second endoporus and institute
The through hole of the 4th endoporus is stated, and the internal diameter of the 3rd endoporus is less than the second endoporus aperture and the aperture of the 4th endoporus
In reckling, connection screw thread is provided with the inwall of the 4th endoporus, the connection screw thread is used for connecting machine tool pull bar.
Preferably, the Split type flexible chuck includes three chucks, and the collet body is uniform by three axial grooves
Segmentation, identical with the axis direction of the collet body by the direction of the axial groove, the end of the axial groove is circular arc
Shape.
Preferably, the Split type flexible chuck includes elastic ring, and the elastic ring is socketed in the collet body
Middle cylindrical outside, the elastic ring enables to three chucks outwards to be expanded to contract or simultaneously simultaneously.
Preferably, the Split type flexible chuck includes axially position circle, and the axially position circle is located at described the
In gap between two internal controls and the 3rd endoporus.
Preferably, the Surface hardened layer hardness of the axially position circle is at least HV750.
Preferably, the cylindrical one end in the centre is located on the collet body and is with the cylindrical connection in the centre
The cone of circle distribution, the cone can be pushed away by the cone away from the axial direction of the cylindrical side in the centre
Produced when power is mutually enclosed be located on clamping force, the collet body the cylindrical other end in the centre and with outside the centre
Circle connection for cylinder, the cylinder is used for the radial positioning of the Split type flexible chuck.
The Split type flexible chuck that the present invention is provided, by the way that chuck and collet body are set into split type knot
Structure, can clamp and be constituted the part and non-metal workpiece in clamping face by comparing sharp shape and be not easy to crush part, this hair
The Split type flexible chuck of bright offer also has that clamping precision is higher, operating more stably and life-span longer advantage.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
The structural representation for the Split type flexible chuck that Fig. 1 provides for the present invention.
The right side view for the Split type flexible chuck that Fig. 2 provides for the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
As one aspect of the present invention there is provided a kind of Split type flexible chuck, wherein, as shown in figure 1, described split type
Collet includes：Chuck 1 and collet body 2, the collet body 2 include the first endoporus 209, the second endoporus 208, the
Three endoporus 207 and the 4th endoporus 206, first endoporus 209 are connected with second endoporus 208, and first endoporus 209
Internal diameter be more than second endoporus 208 internal diameter, the chuck 1 first it is cylindrical be socketed in first endoporus 209, institute
State chuck 1 second it is cylindrical be socketed in second endoporus 208, the cylindrical external diameter of the chuck 1 first be more than the chuck 1
The second cylindrical external diameter, the second cylindrical connecting end surface of the first cylindrical and described chuck 1 of the chuck 1 and the elasticity
The elastic clip end face 210 of collet body 2 offsets, and is axially connected by multiple screws 001, to cause the chuck 1 and the bullet
Property collet body 2 between be fixedly connected, the 3rd endoporus 207 is connects second endoporus 208 and the 4th endoporus 206
Through hole, and the internal diameter of the 3rd endoporus 207 is less than in the aperture of the aperture of the second endoporus 208 and the 4th endoporus 206
Reckling, connection screw thread 205 is provided with the inwall of the 4th endoporus 206, the connection screw thread 205 is used for connecting machine tool
Pull bar.
The Split type flexible chuck that the present invention is provided, by the way that chuck and collet body are set into split type knot
Structure, can clamp and be constituted the part and non-metal workpiece in clamping face by comparing sharp shape and be not easy to crush part, this hair
The Split type flexible chuck of bright offer also has that clamping precision is higher, operating more stably and life-span longer advantage.
As the embodiment of the Split type flexible chuck, as shown in figure 1, the Split type flexible chuck includes
Three chucks 1, the collet body 2 by three even partitions of axial groove 201, by the direction of the axial groove 201 with it is described
The axis direction of collet body 2 is identical, and the end 212 of the axial groove 201 is circular shape.
Further, the Split type flexible chuck includes elastic ring 4, and the elastic ring 4 is socketed in the collet
The outside of the centre cylindrical 211 of body 2, the elastic ring 4 enables to three chucks 1 simultaneously to contract or simultaneously outside
Expansion.
Specifically, the Split type flexible chuck includes axially position circle 3, and the axially position circle 3 is located at described
In gap between second internal control 208 and the 3rd endoporus 207.
Further specifically, the Surface hardened layer hardness of the axially position circle 3 is at least HV750.
On the collet body 2 positioned at the centre cylindrical 211 one end and with the centre cylindrical 211 is connected is
The cone 202 of circle distribution, the cone 202 can deviated from the centre cylindrical 211 by the cone 202
Produced when the axial thrust of side is mutually enclosed on clamping force, the collet body 2 positioned at the another of the centre cylindrical 211
End and be connected with the centre cylindrical 211 for cylinder 203, the cylinder 203 is for the Split type flexible chuck
Radial positioning.
Preferably embodiment, as shown in figure 1, the Split type flexible chuck, including chuck 1, collet body
2nd, axially position circle 3 and elastic ring 4.The quantity of the chuck 1 is three pieces, can be manufactured with nonmetallic materials or other metal materials
Form, the described first cylindrical and described second cylindrical the first endoporus 209 and the second endoporus for being socketed in collet body 2 respectively
In 208, the described first cylindrical elastic clip end face with the described second cylindrical connecting end surface and the collet body 2
210, which offset and axially spelled with multiple screws 001, fastens.The head of the collet body 2 is uniformly provided with three axial directions
Groove 201, the end 212 of the axial groove 201 is circular shape, head of three axial grooves 201 the collet body 2
Portion is evenly divided into three pieces, and its direction is identical with the axis direction of the collet body 2, and centre is provided with four cylinders
Hole, it is first cylindrical that first endoporus 209 is socketed the chuck 1, and second endoporus 208 is socketed the second of the chuck 1
Cylindrical and axially position circle is cylindrical, and the 3rd endoporus 207 is to be provided with connection on through hole, the inwall of the 4th endoporus 206
Screw thread 205, for connecting machine tool pull bar, the left end of centre cylindrical 211 is provided with cone 202 and is circumferentially distributed, cone
202 are mutually enclosed generation clamping force by axial thrust to the left, and centre cylindrical 211 is socketed with 4 elastic rings, centre cylindrical 211
Cylindrical right-hand member is cylinder 203, for radial positioning.
Specifically, the axially position circle 3 is ring-shape accessory, and its case hardness is more than HV750, cylindrical to be socketed on bullet
Property collet body 2 second endoporus 208, left side offsets with the right side of chuck 1, right side and the collet body
2 the second endoporus 208 and the connecting end surface of the 3rd endoporus 207 offset.The elastic ring 4 is socketed on the collet body 2
Centre cylindrical 211, on the one hand can guarantee that three pieces of chucks 1 are splashed and risen to contract or outwards simultaneously, and improve clamping essence
Degree, on the other hand can improve the fatigue strength of the Reusability of collet body 2.
As the operation principle of the Split type flexible chuck, the Split type flexible chuck that the present invention is provided is original
Chuck 1 and the collet body 2 of one are separated, and chuck 1 is socketed in the front end endoporus of collet body 2, and separated chuck 1 afterwards can be with non-
Metal material or other metal materials are fabricated by and the endoporus of chuck 1 may be designed to and the cylindrical similar shape of caught workpiece
（Such as the tooth form 213 in Fig. 2）, so as to prevent that the workpiece of processing from being crushed；Because chuck 1 employs nonmetallic materials or other
Metal material etc. is fabricated by, and reduces weight, therefore reduces eccentricity when running at high speed, so that operating is more put down
Surely.
The interior interporal lacuna of collet body 2 is socketed with axially position circle 3, and the Surface hardened layer hardness of axially position circle 3 is HV750
More than, extruding repeatedly is not allowed easy to wear and can changed；Middle cylindrical 211 socket elastic ring 4 ensures three pieces of chucks 1 simultaneously inwardly
Shrink or outwards splash and rise, on the one hand improve clamping precision, the fatigue that on the other hand can improve the Reusability of collet body 2 is strong
Degree, thus the service life of chuck can be extended.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a kind of Split type flexible chuck, it is characterised in that the Split type flexible chuck includes：Chuck（1）And collet
Body（2）, the collet body（2）Including the first endoporus（209）, the second endoporus（208）, the 3rd endoporus（207）In the 4th
Hole（206）, first endoporus（209）With second endoporus（208）Connection, and first endoporus（209）Internal diameter it is big
In second endoporus（208）Internal diameter, the chuck（1）First cylindrical be socketed in first endoporus（209）It is interior, it is described
Chuck（1）Second cylindrical be socketed in second endoporus（208）It is interior, the chuck（1）First cylindrical external diameter is more than described
Chuck（1）The second cylindrical external diameter, the chuck（1）The first cylindrical and described chuck（1）The second cylindrical connection end
Face and the collet body（2）Elastic clip end face（210）Offset, and pass through multiple screws（001）Axially connection, to cause
The chuck（1）With the collet body（2）Between be fixedly connected, the 3rd endoporus（207）For in connection described second
Hole（208）With the 4th endoporus（206）Through hole, and the 3rd endoporus（207）Internal diameter be less than second endoporus
（208）Aperture and the 4th endoporus（206）Aperture in reckling, the 4th endoporus（206）Inwall on be provided with
Connection screw thread（205）, the connection screw thread（205）For connecting machine tool pull bar.
2. Split type flexible chuck according to claim 1, it is characterised in that the Split type flexible chuck includes three
Chuck（1）, the collet body（2）By three axial grooves（201）Even partition, by the axial groove（201）Direction with
The collet body（2）Axis direction it is identical, the axial groove（201）End（212）For circular shape.
3. Split type flexible chuck according to claim 2, it is characterised in that the Split type flexible chuck includes elasticity
Circle（4）, the elastic ring（4）It is socketed in the collet body（2）Centre it is cylindrical（211）Outside, the elastic ring（4）
Enable to three chucks（1）The outwards expansion to contract or simultaneously simultaneously.
4. Split type flexible chuck according to claim 1, it is characterised in that the Split type flexible chuck is included axially
Centring ring（3）, the axially position circle（3）Positioned at second internal control（208）With the 3rd endoporus（207）Between gap
It is interior.
5. Split type flexible chuck according to claim 4, it is characterised in that the axially position circle（3）Surface it is hard
Change hardness and be at least HV750.
6. Split type flexible chuck according to claim 3, it is characterised in that the collet body（2）It is upper to be located at institute
State middle cylindrical（211）One end and cylindrical with the centre（211）The cone for circle distribution of connection（202）, it is described
Cone（202）Can be by the cone（202）It is cylindrical away from the centre（211）Side axial thrust it is mutual
Clamping force, the collet body are produced when enclosing（2）It is upper cylindrical positioned at the centre（211）The other end and with the centre
It is cylindrical（211）Connection for cylinder（203）, the cylinder（203）Radial positioning for the Split type flexible chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402379.2A CN107008931A (en) | 2017-06-01 | 2017-06-01 | A kind of Split type flexible chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402379.2A CN107008931A (en) | 2017-06-01 | 2017-06-01 | A kind of Split type flexible chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107008931A true CN107008931A (en) | 2017-08-04 |
Family
ID=59450978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710402379.2A Pending CN107008931A (en) | 2017-06-01 | 2017-06-01 | A kind of Split type flexible chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107008931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955082A (en) * | 2017-12-26 | 2019-07-02 | 惠州市富池精工股份有限公司 | A kind of locking clamping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201423454Y (en) * | 2009-05-07 | 2010-03-17 | 杭州正驰达精密机械有限公司 | Split-type spring clip |
| CN103978390A (en) * | 2014-05-16 | 2014-08-13 | 衡阳纺织机械有限公司 | Split type chuck liner |
| JP2014210323A (en) * | 2013-04-19 | 2014-11-13 | カトウ工機株式会社 | Collet chuck |
| CN204639183U (en) * | 2015-05-14 | 2015-09-16 | 常州市峥力弹簧有限公司 | Bearing ring turnery processing spring expansion chuck |
| CN206794810U (en) * | 2017-06-01 | 2017-12-26 | 无锡市神力齿轮冷挤有限公司 | A kind of Split type flexible chuck |
| CN207344229U (en) * | 2017-10-20 | 2018-05-11 | 中原工学院 | A kind of inner clamping type fixture |
-
2017
- 2017-06-01 CN CN201710402379.2A patent/CN107008931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201423454Y (en) * | 2009-05-07 | 2010-03-17 | 杭州正驰达精密机械有限公司 | Split-type spring clip |
| JP2014210323A (en) * | 2013-04-19 | 2014-11-13 | カトウ工機株式会社 | Collet chuck |
| CN103978390A (en) * | 2014-05-16 | 2014-08-13 | 衡阳纺织机械有限公司 | Split type chuck liner |
| CN204639183U (en) * | 2015-05-14 | 2015-09-16 | 常州市峥力弹簧有限公司 | Bearing ring turnery processing spring expansion chuck |
| CN206794810U (en) * | 2017-06-01 | 2017-12-26 | 无锡市神力齿轮冷挤有限公司 | A kind of Split type flexible chuck |
| CN207344229U (en) * | 2017-10-20 | 2018-05-11 | 中原工学院 | A kind of inner clamping type fixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955082A (en) * | 2017-12-26 | 2019-07-02 | 惠州市富池精工股份有限公司 | A kind of locking clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |
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| RJ01 | Rejection of invention patent application after publication |