CN209303753U - A kind of collet - Google Patents
A kind of collet Download PDFInfo
- Publication number
- CN209303753U CN209303753U CN201822132717.8U CN201822132717U CN209303753U CN 209303753 U CN209303753 U CN 209303753U CN 201822132717 U CN201822132717 U CN 201822132717U CN 209303753 U CN209303753 U CN 209303753U
- Authority
- CN
- China
- Prior art keywords
- collet
- pull
- type
- valve spring
- lathe
- 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
Links
Abstract
The utility model provides a kind of collet, comprising: lathe pull rod, base of the carrier head, pull-type collet and collet chuck；The lathe pull rod and base of the carrier head are fixedly connected on lathe, the pull-type collet clamping is in the base of the carrier head, the pull-type collet includes the threaded portion of rear end and the valve spring portion of front end, the threaded portion is connected with the lathe pull rod, the male cone (strobilus masculinus) in valve spring portion is matched with the inner conical surface of the base of the carrier head, in the pull-type collet, the inner conical surface in valve spring portion matches the collet chuck clamping with the male cone (strobilus masculinus) of the collet chuck.The utility model is on the basis of existing technology, by collet chuck assembly in pull-type collet, it only needs to go out corresponding pull-type collet according to the size design of collet chuck in this way, no longer pull-type collet can be replaced in subsequent use, collet chuck need to be only replaced according to the actual needs, it is easy to use to improve the service life of pull-type collet, and greatly reduce use cost.
Description
Technical field
The utility model relates to lathe-techniques fields, more particularly to a kind of collet.
Background technique
When existing lathe high-volume workpieces processing, clamping, working principle typically are carried out using pull-type collet
It is connect for lathe pull rod with pull-type collet tail portion, collet male cone (strobilus masculinus) and lathe chuck inner conical surface cooperate, and pull rod unclamps
In the case where collet open, after workpiece installation, pull rod tenses backward, and the collet conical surface is squeezed by chuck by workpiece clamp
Tightly.This collet has key request at two in hardness, i.e. collet head requires hardness high, wear-resistant, but spring
Elasticity is good for requirement at collet valve spring, is broken after avoiding multiple clamping, therefore heat treatment requirements are high, in addition the general root of this collet
According to lathe type design, belong to non-standard, collet processing cost is higher, if the outer diameter type of workpieces processing is more
It needs to design the collet of different size, increases type, higher cost, use is also inconvenient.
Utility model content
It is easy to use for this purpose, a purpose of the utility model is to propose that a kind of specification scope of application is big, and cost compared with
Low collet.
The utility model provides a kind of collet, comprising: lathe pull rod, base of the carrier head, pull-type collet and collet chuck；
The lathe pull rod and base of the carrier head are fixedly connected on lathe, and the pull-type collet clamping is described in the base of the carrier head
Pull-type collet includes the threaded portion of rear end and the valve spring portion of front end, and the threaded portion is connected with the lathe pull rod, institute
The male cone (strobilus masculinus) for stating valve spring portion is matched with the inner conical surface of the base of the carrier head, the collet chuck clamping in the pull-type collet,
The inner conical surface in valve spring portion is matched with the male cone (strobilus masculinus) of the collet chuck, wherein the inner conical surface of the base of the carrier head, valve spring portion it is outer
The male cone (strobilus masculinus) of the conical surface, the inner conical surface in valve spring portion and collet chuck is opened towards outside.
The utility model on the basis of existing technology, by collet chuck assembly in pull-type collet, only needs root in this way
Go out corresponding pull-type collet according to the size design of collet chuck, no longer pull-type collet can be carried out in subsequent use
Replacement only need to replace collet chuck according to the actual needs, so that the service life of pull-type collet is improved, it is easy to use, and
Use cost is greatly reduced, the standardization of pull-type collet in industry is promoted.
Further, the open-angle of the male cone (strobilus masculinus) in valve spring portion is greater than the open-angle of the male cone (strobilus masculinus) of the collet chuck.
Further, gland is connected on the outer end of the pull-type collet.
Further, the gland is connected by bolt with the pull-type collet.
Further, open-angle of the open-angle of the male cone (strobilus masculinus) in valve spring portion no more than the male cone (strobilus masculinus) of the collet chuck.
Further, circlip is provided at the head notch of the collet chuck.
Further, the collet chuck is ER type tube folder.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
Fig. 1 is a kind of sectional view of collet provided by the embodiment of the utility model.
It is attached in the figure, it is marked as
1 lathe pull rod
2 base of the carrier head
3 pull-type collets
31 threaded portions
32 valve spring portions
4 collet chucks
5 glands
6 bolts
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model embodiment provides a kind of collet, as shown in Figure 1, comprising: lathe pull rod 1, base of the carrier head 2,
Pull-type collet 3 and collet chuck 4；The lathe pull rod 1 and base of the carrier head 2 are fixedly connected on lathe, the pull-type collet 3
Clamping is in the base of the carrier head 2, and the valve spring portion 32 of threaded portion 31 and front end of the pull-type collet 3 including rear end is described
Threaded portion 31 is connected with the lathe pull rod 1, and the inner conical surface of the male cone (strobilus masculinus) in valve spring portion 32 and the base of the carrier head 2 matches
It closes, 4 clamping of collet chuck is in the pull-type collet 3, the male cone (strobilus masculinus) of the inner conical surface in valve spring portion 32 and the collet chuck 4
Match, wherein the inner conical surface of the base of the carrier head 2, the male cone (strobilus masculinus) in valve spring portion 32, the inner conical surface in valve spring portion 32 and collet chuck 4 it is outer
The conical surface is opened towards outside.Wherein lathe pull rod 1 can move forward and backward under the drive of lathe cylinder, and base of the carrier head 2 is fixed on vehicle
On bed main shaft, using moving forward and backward for lathe pull rod 1, thus realize pull-type the moving forward and backward in base of the carrier head 2 of collet 3,
And then it realizes the clamping of collet chuck 4 or loosens.On the basis of existing technology, collet chuck is assembled in pull-type spring for the utility model
In collet, only need to go out corresponding pull-type collet according to the size design of collet chuck in this way, it can be in subsequent use not
Pull-type collet is replaced again, only collet chuck need to be replaced according to the actual needs, to improve pull-type spring clip
It is the service life of head, easy to use, and use cost is greatly reduced, promote the standardization of pull-type collet in industry.Meanwhile
In the utility model, to be flexible coupling between pull-type collet and collet chuck, can Self-regulation track precision position under force,
Hard connecting mode in compared with the existing technology has higher precision.
It is greater than the collet chuck in the open-angle of the one aspect of the utility model embodiment, the male cone (strobilus masculinus) in valve spring portion 32
The open-angle of 4 male cone (strobilus masculinus).In this state, an outside thrust can be generated to collet chuck 4 when valve spring portion 32 inwardly squeezes,
In order to overcome this thrust, collet chuck 4 is prevented to be extruded, the utility model is provided on the outer end of the pull-type collet 3
Gland 5, when drawing in lathe pull rod 1, valve spring portion 32 is tightened by pressure, while compressing collet chuck 4, is also tightened gland 5,
Collet chuck 4 is blocked, it is prevented to be extruded.Preferably, the gland 5 is connected by bolt 6 with the pull-type collet 3.
It is not more than the cylinder in the open-angle of the one aspect of the utility model embodiment, the male cone (strobilus masculinus) in valve spring portion 32
The open-angle of the male cone (strobilus masculinus) of folder 4.In this state, when valve spring portion 32 inwardly squeezes one can be generated to collet chuck 4 inside push away
Power can prevent collet chuck 4 to be extruded, without gland is separately provided again.But it is this design in natural relaxation state, collet chuck 4
It is possible that can fall from valve spring portion, collet chuck 4 is fallen in order to prevent, and the utility model is provided at the head notch of collet chuck 4
Circlip, circlip can be stuck in valve spring portion, to prevent it from falling in relaxation state.
Optionally, the collet chuck 4 is ER type tube folder.Traditional ER type tube folder generally adds in boring, milling, brill, tapping, mill engraving etc.
Working hour fixed cutting tool uses, when clamping be so that ER type tube is pressed from both sides contraction clip clamping of workpieces by collet chuck nut check, therefore be unable to from
Dynamic to clamp, unclamp, major advantage has clamping force big, and clamping range is wide, and precision is good, and quality, specification standardization, price are low
Deng；Traditional pull-type collet, apply in lathe process can Automatic-clamping, unclamp and efficiently produced, but nothing in industry
Standard specification, majority of case carries out non-standard de-sign according to clamping workpiece and lathe model, therefore purchase cost is high, and specification is more；
The two is used in combination the utility model, has not only remained the efficient production of lathe automated exchanged cutter, but also has taken into account specification standardization, essence
Degree and cost, overall structure is simple, can be directly applied to the production that pull-type collet in existing industry clamps pole class part
In situation.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of collet characterized by comprising
Lathe pull rod, base of the carrier head, pull-type collet and collet chuck；
The lathe pull rod and base of the carrier head are fixedly connected on lathe, the pull-type collet clamping in the base of the carrier head,
The pull-type collet includes the threaded portion of rear end and the valve spring portion of front end, and the threaded portion is connected with the lathe pull rod
It connects, the male cone (strobilus masculinus) in valve spring portion is matched with the inner conical surface of the base of the carrier head, and the collet chuck clamping is in the pull-type spring clip
In head, the inner conical surface in valve spring portion is matched with the male cone (strobilus masculinus) of the collet chuck, wherein inner conical surface, the valve spring of the base of the carrier head
The male cone (strobilus masculinus) of the male cone (strobilus masculinus) in portion, the inner conical surface in valve spring portion and collet chuck is opened towards outside.
2. a kind of collet as described in claim 1, which is characterized in that the open-angle of the male cone (strobilus masculinus) in valve spring portion is greater than
The open-angle of the male cone (strobilus masculinus) of the collet chuck.
3. a kind of collet as claimed in claim 2, which is characterized in that be connected on the outer end of the pull-type collet
Gland.
4. a kind of collet as claimed in claim 3, which is characterized in that the gland passes through bolt and the pull-type spring
Collet is connected.
5. a kind of collet as described in claim 1, which is characterized in that the open-angle of the male cone (strobilus masculinus) in valve spring portion is little
In the open-angle of the male cone (strobilus masculinus) of the collet chuck.
6. a kind of collet as claimed in claim 5, which is characterized in that be arranged at the head notch of the collet chuck flexible
Retaining ring.
7. such as a kind of collet of any of claims 1-6, which is characterized in that the collet chuck is ER type tube folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132717.8U CN209303753U (en) | 2018-12-19 | 2018-12-19 | A kind of collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132717.8U CN209303753U (en) | 2018-12-19 | 2018-12-19 | A kind of collet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209303753U true CN209303753U (en) | 2019-08-27 |
Family
ID=67677575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132717.8U Expired - Fee Related CN209303753U (en) | 2018-12-19 | 2018-12-19 | A kind of collet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209303753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376066A (en) * | 2020-04-07 | 2020-07-07 | 中国航空制造技术研究院 | Tool and method for machining precise thin-wall bushing |
-
2018
- 2018-12-19 CN CN201822132717.8U patent/CN209303753U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111376066A (en) * | 2020-04-07 | 2020-07-07 | 中国航空制造技术研究院 | Tool and method for machining precise thin-wall bushing |
| CN111376066B (en) * | 2020-04-07 | 2021-10-29 | 中国航空制造技术研究院 | Tool for machining precise thin-wall bushing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20201219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |