CN204396945U - A kind of collet - Google Patents
A kind of collet Download PDFInfo
- Publication number
- CN204396945U CN204396945U CN201520062485.7U CN201520062485U CN204396945U CN 204396945 U CN204396945 U CN 204396945U CN 201520062485 U CN201520062485 U CN 201520062485U CN 204396945 U CN204396945 U CN 204396945U
- Authority
- CN
- China
- Prior art keywords
- tapered sleeve
- sleeve
- collet
- clamping
- elastic cylinder
- 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.)
- Expired - Fee Related
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- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model provides a kind of collet, belongs to field of mechanical technique.It solve the problem that the bad and structure of existing collet clamping effect is comparatively complicated.This kind of collet, comprise tubular body and be arranged on intrinsic elastic cylinder, tapered sleeve one and tapered sleeve two is provided with in the cavity of body, tapered sleeve one is taper surface with the madial wall of tapered sleeve two, the taper surface of tapered sleeve one and tapered sleeve two faces, and taper surface is all equipped with some arc convex, and the two ends of elastic cylinder have the conical surface leant with arc convex respectively, the outer end of body is arranged with the clamping sleeve that can move axially, and the inner of clamping sleeve is resisted against the outer end of tapered sleeve two.This collet has clamping effect better and the comparatively simple advantage of structure.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of chuck, particularly a kind of collet.
Background technology
Collet widely uses on lathe, and it comprises Gripper body, and the shaft core position of Gripper body is provided with axial clamping hole, Gripper body is also provided with many and is trapped among outside described clamping hole, axially extended shrinkage joint.During use, in clamping hole as described in being penetrated by hold assembly (as milling cutter, drill bit etc.), then the force application part by being arranged on collet outside applies tightening force to collet, after collet is subject to tightening force, the gap width of shrinkage joint diminishes, Gripper body generation deformation, the aperture of clamping hole diminishes and then will be stepped up by hold assembly.
A kind of collet (200920196220.0) disclosed in Chinese patent literature, it includes elastic mechanism; Include: several piece fixture block, circumferentially distributing, be used for clamping workpiece; Several piece slide block, is circumferentially distributing, the anterior respective fixture block connecting correspondence, and the spacing upper-end part of driving at slide in rear portion, can radially slide; Elastic mechanism, arranges below slide block, each slide block is remained and outwards opens trend; Slide, upper-end part of driving is diameter progressively expanding reach, has chute that is corresponding, that embed for slide block bottom at circumferencial direction; Spindle tube, be enclosed within draw letter outside, mouth end be provided with the diameter of slide progressively expanding reach carry out coordinating, oppressing the annular extrusion face of slide block towards central slide.But this collet makes by the translation of pull bar seat generation deformation of rising, and makes fixture block clamp workpiece, but this collet can only one end of holding workpiece, and therefore its clamping effect is bad and structure is comparatively complicated.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of clamping effect better and the comparatively simple collet of structure.
The purpose of this utility model realizes by following technical proposal: a kind of collet, comprise tubular body and be arranged on described intrinsic elastic cylinder, it is characterized in that, tapered sleeve one and tapered sleeve two is provided with in the cavity of described body, described tapered sleeve one is taper surface with the madial wall of described tapered sleeve two, the taper surface of described tapered sleeve one and described tapered sleeve two faces, described taper surface is all equipped with some arc convex, the two ends of described elastic cylinder have the conical surface leant with arc convex respectively, the outer end of described body is arranged with the clamping sleeve that can move axially and the inner of described clamping sleeve is resisted against the outer end of described tapered sleeve two.
When assembling, tapered sleeve one is put in the cavity of body, put into elastic cylinder again, the conical surface of the inner of elastic cylinder is made to be resisted against on the arc convex of tapered sleeve one, put into taper sheath two again, the arc convex of tapered sleeve two is resisted against on the conical surface of the outer end of elastic cylinder, then by screwing clamping sleeve, this collet is assembled.In use, the handle of a knife of cutter is inserted in elastic cylinder, screw clamping sleeve and press tapered sleeve two, make the two ends of elastic cylinder by the extruding force of arc convex and deformation occurs, cutter is tightly clamped, there is the firm and dismounting conveniently advantage of clamping, there is the comparatively simple advantage of structure simultaneously.
In above-mentioned a kind of collet, the arc convex on described tapered sleeve one and described tapered sleeve two is 3 to 8 and is uniformly distributed centered by the axis of described tapered sleeve one or described tapered sleeve two.
In above-mentioned a kind of collet, the inner of described clamping sleeve has annular convex and described annular convex is resisted against the outer end of described tapered sleeve two.Be resisted against the outer end of tapered sleeve two by annular convex, be convenient to force transmission, on elastic cylinder, to have and use conveniently advantage.
In above-mentioned a kind of collet, described body is arranged with tightening nut, one end of described tightening nut is connected with described body screw thread, and the other end of described tightening nut is connected with the outer end screw thread of described clamping sleeve.By rotating tightening nut, realizing moving to axial of clamping sleeve and body, having and use conveniently advantage.
In above-mentioned a kind of collet, be provided with spring between described tapered sleeve one and described tapered sleeve two, one end of described spring is resisted against on described tapered sleeve one, and the other end of described spring is resisted against on described tapered sleeve two.
In above-mentioned a kind of collet, described tapered sleeve two is structure as a whole with described body.Tapered sleeve two and body are structure as a whole, structure compact conformation and manufacture conveniently advantage.
In a kind of collet that place is above-mentioned, the sidewall of described elastic cylinder is provided with some strip grooves axially arranged.The sidewall of elastic cylinder is provided with strip groove, is convenient to elastic cylinder generation deformation, makes this collet have the effect of clamping preferably.
Compared with prior art, this kind of collet has the following advantages:
When 1, using, pressing tapered sleeve two by screwing clamping sleeve, making the two ends of elastic cylinder by the extruding force of arc convex and deformation occurs, the two ends of cutter are tightly clamped, there is the firm and dismounting conveniently advantage of clamping;
2, be resisted against the outer end of tapered sleeve two by annular convex, be convenient to force transmission, on elastic cylinder, to have and use conveniently advantage;
3, tapered sleeve two and body are structure as a whole, structure compact conformation and manufacture conveniently advantage.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of this collet.
Fig. 2 is the schematic perspective view of the tapered sleeve one of this collet.
In figure, 1, body; 2, elastic cylinder; 2a, strip groove; 3, tapered sleeve 1; , tapered sleeve two; 5, arc convex; 6, clamping sleeve; 6a, annular convex; 7, tightening nut; 8, spring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As illustrated in fig. 1 and 2, a kind of collet, the elastic cylinder 2 comprising tubular body 1 and be arranged in body 1, the sidewall of elastic cylinder 2 is provided with some strip groove 2a axially arranged, be convenient to elastic cylinder 2 and deformation occurs, make this collet have the effect of clamping preferably.
Tapered sleeve 1 and tapered sleeve 24 is provided with in the cavity of body 1, tapered sleeve 1 is taper surface with the madial wall of tapered sleeve 24, the taper surface of tapered sleeve 1 and tapered sleeve 24 faces, and taper surface is all equipped with 6 arc convex 5 and arc convex 5 is evenly arranged centered by the axis of tapered sleeve 1 and tapered sleeve 24.The two ends of elastic cylinder 2 have the conical surface leant with arc convex 5 respectively, and the outer end of body 1 is arranged with the clamping sleeve 6 that can move axially, and the inner of clamping sleeve 6 has annular convex 6a, and annular convex 6a is resisted against the outer end of described tapered sleeve 24.Body 1 is arranged with tightening nut 7, one end of tightening nut 7 is connected with body 1 screw thread, and the other end of tightening nut 7 is connected with the outer end screw thread of clamping sleeve 6.Be provided with spring 8 between tapered sleeve 1 and described tapered sleeve 24, one end of spring 8 is resisted against on tapered sleeve 1, and the other end of spring 8 is resisted against on tapered sleeve 24.
Alternatively, tapered sleeve 24 and body 1 are structure as a whole, and make this collet compact conformation and manufacture conveniently advantage
When assembling, tapered sleeve 1 is put in the cavity of body 1, put into elastic cylinder 2 again, the conical surface of the inner of elastic cylinder 2 is made to be resisted against on the arc convex 5 of tapered sleeve 1, put into taper sheath two again, the arc convex 5 of tapered sleeve 24 is resisted against on the conical surface of the outer end of elastic cylinder 2, then by screwing clamping sleeve 6, this collet is assembled.In use, the handle of a knife of cutter is inserted in elastic cylinder 2, screw tightening nut 7, make clamping sleeve 6 toward the medial movement of body 1, make annular convex 6a be resisted against the outer end of tapered sleeve 24, be convenient to force transmission on elastic cylinder 2, and make the two ends of elastic cylinder 2 by the extruding force of arc convex 5 and deformation occurs, cutter is tightly clamped, there is the firm and dismounting conveniently advantage of clamping, there is the comparatively simple advantage of structure simultaneously.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as body 1, elastic cylinder 2 strip groove 2a, tapered sleeve 1, tapered sleeve 24, arc convex 5, clamping sleeve 6, annular convex 6a, tightening nut 7, spring 8 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (7)
1. a collet, comprise tubular body (1) and be arranged on the elastic cylinder (2) in described body (1), it is characterized in that, tapered sleeve one (3) and tapered sleeve two (4) is provided with in the cavity of described body (1), described tapered sleeve one (3) is taper surface with the madial wall of described tapered sleeve two (4), the taper surface of described tapered sleeve one (3) and described tapered sleeve two (4) faces, described taper surface is all equipped with some arc convex (5), the two ends of described elastic cylinder (2) have the conical surface leant with arc convex (5) respectively, the outer end of described body (1) is arranged with the clamping sleeve (6) that can move axially and the inner of described clamping sleeve (6) is resisted against the outer end of described tapered sleeve two (4).
2. a kind of collet according to claim 1, it is characterized in that, the inner of described clamping sleeve (6) has annular convex (6a) and described annular convex (6a) is resisted against the outer end of described tapered sleeve two (4).
3. a kind of collet according to claim 1, it is characterized in that, described body (1) is arranged with tightening nut (7), one end of described tightening nut (7) is connected with described body (1) screw thread, and the other end of described tightening nut (7) is connected with the outer end screw thread of described clamping sleeve (6).
4. a kind of collet according to claim 1 or 2 or 3, it is characterized in that, spring (8) is provided with between described tapered sleeve one (3) and described tapered sleeve two (4), one end of described spring (8) is resisted against on described tapered sleeve one (3), and the other end of described spring (8) is resisted against on described tapered sleeve two (4).
5. a kind of collet according to claim 1 or 2 or 3, is characterized in that, described tapered sleeve two (4) is structure as a whole with described body (1).
6. a kind of collet according to claim 1 or 2 or 3, is characterized in that, the sidewall of described elastic cylinder (2) is provided with some strip grooves (2a) axially arranged.
7. a kind of collet according to claim 1 or 2 or 3, it is characterized in that, the arc convex (5) on described tapered sleeve one (3) and described tapered sleeve two (4) is 3 to 8 and is uniformly distributed centered by the axis of described tapered sleeve one (3) or described tapered sleeve two (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062485.7U CN204396945U (en) | 2015-01-29 | 2015-01-29 | A kind of collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062485.7U CN204396945U (en) | 2015-01-29 | 2015-01-29 | A kind of collet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204396945U true CN204396945U (en) | 2015-06-17 |
Family
ID=53420843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062485.7U Expired - Fee Related CN204396945U (en) | 2015-01-29 | 2015-01-29 | A kind of collet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204396945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777871A (en) * | 2017-11-28 | 2018-03-09 | 长飞光纤潜江有限公司 | A kind of automatic centering glass bar clamping device |
| CN109187181A (en) * | 2018-08-21 | 2019-01-11 | 西北有色金属研究院 | Bone tissue-metal implant complex in-situ mechanical test device and method |
| CN110561158A (en) * | 2019-08-27 | 2019-12-13 | 济南中船设备有限公司 | Clamping device and processing equipment for turning end face and processing center hole of bolt |
| TWI701093B (en) * | 2016-02-08 | 2020-08-11 | 日商北川鐵工所股份有限公司 | Retracting chuck |
-
2015
- 2015-01-29 CN CN201520062485.7U patent/CN204396945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI701093B (en) * | 2016-02-08 | 2020-08-11 | 日商北川鐵工所股份有限公司 | Retracting chuck |
| CN107777871A (en) * | 2017-11-28 | 2018-03-09 | 长飞光纤潜江有限公司 | A kind of automatic centering glass bar clamping device |
| CN109187181A (en) * | 2018-08-21 | 2019-01-11 | 西北有色金属研究院 | Bone tissue-metal implant complex in-situ mechanical test device and method |
| CN110561158A (en) * | 2019-08-27 | 2019-12-13 | 济南中船设备有限公司 | Clamping device and processing equipment for turning end face and processing center hole of bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |