CN207414862U - A kind of location structure - Google Patents
A kind of location structure Download PDFInfo
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- CN207414862U CN207414862U CN201721380617.6U CN201721380617U CN207414862U CN 207414862 U CN207414862 U CN 207414862U CN 201721380617 U CN201721380617 U CN 201721380617U CN 207414862 U CN207414862 U CN 207414862U
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- elastic collet
- collet
- elastic
- rear end
- location structure
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Abstract
The utility model provides a kind of location structure, belongs to field of mechanical technique.It solves the problems, such as that existing part positioning accuracy is low.This location structure includes collet sleeve and the first elastic collet, first elastic collet is threaded through in collet sleeve, the rear end of first elastic collet is used to be connected with trombone slide, the front end of first elastic collet has several first fixture blocks, several first fixture blocks surround a first rounded location hole, there is the first crack between two adjacent the first fixture blocks, the position of the first fixture block can be changed when the first elastic collet is moved along collet sleeve, the second elastic collet is equipped in the rear end of first elastic collet, the rear end of second elastic collet is used to be connected with trombone slide, the front end of second elastic collet has several second fixture blocks, several second fixture blocks surround second location hole being square, there is the second crack between two adjacent the second fixture blocks.This location structure has the advantages that the positioning accuracy for improving part.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of location structure.
Background technology
With the development of society, the progress of industry, plant produced gradually realize mechanization, product is carried out by machinery
Processing, can improve production efficiency, it is necessary to be positioned to product when being processed by machinery to product.
Existing positioner, such as Chinese patent literature data disclose a kind of [application of lathe elastic collet mechanism
Number：201410144520.X；Application publication number：CN103949900A], including conic sleeve, elastic collet chuck, shell, shell
Rear end be mounting flange, be equipped with the internal locking conical surface in conic sleeve, the outer circle of elastic collet chuck is the outer locking conical surface, elastic collet chuck
Endoporus be workpiece installation cavity, elastic collet chuck coordinates in conic sleeve, and installation vestibule is equipped in shell, and conic sleeve is fixed on
Mounting hole intracavitary in shell, the rear end of elastic collet chuck are equipped with internal thread, and elastic collet chuck can be connected by internal thread with lathe pull rod
It connects；The front end surface of elastic collet chuck is equipped with expansion spill cone slot, and shell is fixedly arranged at the front end with end cap, and end cap central is workpiece sky
It begins to speak, the raised conical surface of expansion is equipped on the inside of end cap, expand the raised conical surface and expansion spill cone slot cooperation；End cap and elastic collet chuck it
Between be equipped with stop pin.
The lathe of this kind of structure elastic collet mechanism, positions using to the workpiece with outer circle；But this kind is tied
The lathe of structure elastic collet mechanism, to many on existing market except whole rounded outer end also has square structure,
If selecting excircle orientation using the lathe elastic collet mechanism of this kind of structure, it is difficult to determine the installation site of part, peace
Dress, positioning accuracy are low, and the processing quality of part is caused to be lower.
The content of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that a kind of location structure, solution
Certainly the technical issues of is how to improve the positioning accuracy of part.
The purpose of this utility model can be realized by following technical proposal：A kind of location structure, including collet sleeve and
One elastic collet, first elastic collet are threaded through in collet sleeve, and the rear end of first elastic collet is used for and trombone slide phase
Even, the front end of first elastic collet has several first fixture blocks, several described first fixture blocks surround one it is rounded
The first location hole, there is the first crack, when the first elastic collet is moved along collet sleeve between adjacent two the first fixture blocks
When can change the position of the first fixture block, which is characterized in that the second elastic collet, institute are equipped in the rear end of first elastic collet
The rear end of the second elastic collet is stated for being connected with trombone slide, the front end of second elastic collet has several second fixture blocks,
Several described second fixture blocks surround second location hole being square, and have the second folder between adjacent two the second fixture blocks
Seam.
There is the one end being square to be embedded into through the first location hole in the second location hole part, pass through the second elastic clip
Second fixture block Clamp blocks of head, position part, and positioning accuracy is high, then pull the first elastic collet and the by trombone slide again
Two elastic collets move, and the first fixture block of the first elastic collet is made to contact collet sleeve and the first fixture block is made inwardly to shrink compression zero
Part, so that part is fixed, this location structure first passes through the second elastic collet and the part with square end is positioned, then leads to
It crosses the first elastic collet to clamp part, the positioning accuracy of part is high, and the firmness of clamping is high, so as to improve machining accuracy.
In a kind of above-mentioned location structure, in the second elastic collet rear end be equipped with locating shaft, the locating shaft with
Second elastic collet screw thread is adjusted connected.Locating shaft plays the role of part axially position, locating shaft and the second elastic clip
Head thread is adjusted connected, i.e., the position of locating shaft can change, and part is improved by adjusting the position of locating shaft
Positioning accuracy, while this location structure is enable to position the part of different length, it is applied widely.
In a kind of above-mentioned location structure, screw thread is fixed with adjusting nut, the adjusting nut energy on the locating shaft
It is resisted against the end of the second elastic collet rear end.Rotating adjusting nut makes adjusting nut be resisted against the second elastic collet rear end
End, so that locating shaft is fixed, locating shaft will not move, so as to improve the positioning accuracy of part.
In a kind of above-mentioned location structure, second elastic collet is along the cross section of the second elastic collet axial direction in convex
Font, the outer diameter of the second elastic collet front end are less than the outer diameter of the second elastic collet rear end.Design is reasonable.
There is first be obliquely installed in a kind of above-mentioned location structure, on the madial wall of the collet sleeve front end tiltedly
Face has the second inclined-plane being obliquely installed on the lateral wall of the first elastic collet front end, and first inclined-plane and second is tiltedly
Face matches, and first inclined-plane can be resisted against on the second inclined-plane.This kind of structure enables the first elastic collet towards contract,
Design is reasonable.
In a kind of above-mentioned location structure, the rear end of first elastic collet has internal thread, first elasticity
Collet is fixedly connected with trombone slide by screw thread.It is connected by screw thread, it is convenient to be connected.
In a kind of above-mentioned location structure, the rear end of second elastic collet has external screw thread, second elasticity
Collet is fixedly connected with trombone slide by screw thread.It is connected by screw thread, it is convenient to be connected.
Compared with prior art, location structure provided by the utility model has the following advantages：
1st, this location structure first passes through the second elastic collet and the part with square end is positioned, then passes through the first bullet
Property collet part is clamped, the positioning accuracy of part is high, and the firmness of clamping is high, so as to improve the machining accuracy of part.
2nd, locating shaft is provided in this location structure, locating shaft plays the role of axially position to part, is improving part
This location structure is enable to position the part of different length while positioning accuracy, it is applied widely.
Description of the drawings
Fig. 1 is the overall structure sectional view of this location structure.
Fig. 2 is the overall structure diagram of the first elastic collet of this location structure.
Fig. 3 is the overall structure diagram of the second elastic collet of this location structure.
In figure, 1, collet sleeve；11st, the first inclined-plane；2nd, the first elastic collet；21st, the first fixture block；22nd, the first location hole；
23rd, the first crack；24th, the second inclined-plane；3rd, trombone slide；4th, the second elastic collet；41st, the second fixture block；42nd, the second location hole；43rd,
Two cracks；5th, locating shaft；6th, adjusting nut.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, this location structure includes collet sleeve 1, the first elastic collet 2, the second elastic collet 4 and locating shaft 5.
First elastic collet 2 is threaded through in collet sleeve 1, has first be obliquely installed on the madial wall of 1 front end of collet sleeve
Inclined-plane 11, has the second inclined-plane 24 being obliquely installed on the lateral wall of 2 front end of the first elastic collet, and the first inclined-plane 11 and second is tiltedly
Face 24 matches, and the first inclined-plane 11 can be resisted against on the second inclined-plane 24.The rear end of first elastic collet 2 is used to be connected with trombone slide 3,
The rear end of first elastic collet 2 has internal thread, and the first elastic collet 2 is fixedly connected with trombone slide 3 by screw thread.As shown in Fig. 2, this
In embodiment, the front end of the first elastic collet 2 tool is there are six the first fixture block 21, in actual production, before the first elastic collet 2
End can have there are four or eight the first fixture blocks 21, the first fixture block 21 surrounds a first rounded location hole 22, adjacent
Two the first fixture blocks 21 between have the first crack 23.
As shown in figure 3, the second elastic collet 4 is located in the rear end of the first elastic collet 2, the second elastic collet 4 along second
The axial cross section of elastic collet 4 is less than 4 rear end of the second elastic collet in convex shape, the outer diameter of 4 front end of the second elastic collet
Outer diameter.For being connected with trombone slide 3, the rear end of the second elastic collet 4 has external screw thread, the second bullet for the rear end of second elastic collet 4
Property collet 4 is fixedly connected with trombone slide 3 by screw thread.In the present embodiment, there are four the second fixture blocks for the front end tool of the second elastic collet 4
41, in actual production, the front end of the second elastic collet 4 can have eight or 12 the second fixture blocks 41, the second fixture block
41 surround second location hole 42 being square, and have the second crack 43 between adjacent two the second fixture blocks 41.
In second elastic collet, 4 rear end be equipped with locating shaft 5, locating shaft 5 be adjusted with 4 screw thread of the second elastic collet it is connected,
Screw thread is fixed with adjusting nut 6 on locating shaft 5, and adjusting nut 6 can be resisted against the end of 4 rear end of the second elastic collet.
In use, made according to the length of part, rotated locating shaft 5, the position of adjusting locating shaft 5, then rotating adjusting nut 6
Locating shaft 5 is fixed, and there is the one end being square to be embedded into through the first location hole 22 in the second location hole 42 part, and second is fixed
The internal diameter in position hole 42 is slightly less than the outer diameter of part projected square part, by 41 Clamp blocks of the second fixture block of the second elastic collet 4, makes
Part positions, and then by trombone slide 3 the first elastic collet 2 and the second elastic collet 4 is pulled to move again, make the second inclined-plane 24 against
It is moved on the first inclined-plane 11, the first fixture block 21 contact collet sleeve 1 of the first elastic collet 2 simultaneously makes the first fixture block 21 to contract
Compressing component, so that part is fixed.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although collet sleeve 1, the first inclined-plane 11, the first elastic collet 2, the first fixture block 21, first is used more herein
Location hole 22, the first crack 23, the second inclined-plane 24, trombone slide 3, the second elastic collet 4, the second fixture block 41, the second location hole 42,
The terms such as two cracks 43, locating shaft 5, adjusting nut 6, but it does not preclude the possibility of using other terms.Use these terms
Just for the sake of more easily describing and explaining the essence of the utility model；It is construed as any one of the additional limitations all
It is contrary to the spirit of the present invention.
Claims (7)
1. a kind of location structure, including collet sleeve (1) and the first elastic collet (2), first elastic collet (2) is threaded through folder
In headgear (1), the rear end of first elastic collet (2) with trombone slide (3) for being connected, before first elastic collet (2)
End has several first fixture blocks (21), several described first fixture blocks (21) surround a first rounded location hole
(22), there is the first crack (23), when the first elastic collet (2) is along collet sleeve between two adjacent the first fixture blocks (21)
(1) position of the first fixture block (21) can be changed when mobile, which is characterized in that be equipped in the rear end of first elastic collet (2)
Second elastic collet (4), the rear end of second elastic collet (4) with trombone slide (3) for being connected, second elastic collet
(4) front end has several second fixture blocks (41), several described second fixture blocks (41) surround one be square it is second fixed
Position hole (42) has the second crack (43) between adjacent two the second fixture blocks (41).
2. a kind of location structure according to claim 1, which is characterized in that set in the second elastic collet (4) rear end
There is locating shaft (5), the locating shaft (5) is adjusted connected with the second elastic collet (4) screw thread.
3. a kind of location structure according to claim 2, which is characterized in that screw thread is fixed with tune on the locating shaft (5)
Nut (6) is saved, the adjusting nut (6) can be resisted against the end of the second elastic collet (4) rear end.
4. according to a kind of location structure described in claim 1 or 2 or 3, which is characterized in that the second elastic collet (4) edge
The cross section of the second elastic collet (4) axial direction is in convex shape, and the outer diameter of the second elastic collet (4) front end is less than the second elasticity
The outer diameter of collet (4) rear end.
5. according to a kind of location structure described in claim 1 or 2 or 3, which is characterized in that collet sleeve (1) front end it is interior
On side wall there is the first inclined-plane (11) being obliquely installed, on the lateral wall of the first elastic collet (2) front end there is inclination to set
The second inclined-plane (24) put, first inclined-plane (11) and the second inclined-plane (24) match, and first inclined-plane (11) can be against
On the second inclined-plane (24).
6. according to a kind of location structure described in claim 1 or 2 or 3, which is characterized in that first elastic collet (2)
Rear end has internal thread, and first elastic collet (2) is fixedly connected with trombone slide (3) by screw thread.
7. according to a kind of location structure described in claim 1 or 2 or 3, which is characterized in that second elastic collet (4)
Rear end has external screw thread, and second elastic collet (4) is fixedly connected with trombone slide (3) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380617.6U CN207414862U (en) | 2017-10-24 | 2017-10-24 | A kind of location structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721380617.6U CN207414862U (en) | 2017-10-24 | 2017-10-24 | A kind of location structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207414862U true CN207414862U (en) | 2018-05-29 |
Family
ID=62309707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721380617.6U Active CN207414862U (en) | 2017-10-24 | 2017-10-24 | A kind of location structure |
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| Country | Link |
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| CN (1) | CN207414862U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536637A (en) * | 2020-11-30 | 2021-03-23 | 广东鼎泰机器人科技有限公司 | Universal material clamping and rotating mechanism for milling cutter material rod |
| CN112536622A (en) * | 2020-11-30 | 2021-03-23 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for milling cutter material rod |
| CN112705968A (en) * | 2020-11-30 | 2021-04-27 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for multi-station milling cutter processing machine |
| CN112846842A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Rotation control center mechanism of multi-station milling cutter processing machine |
| CN112846868A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Multi-station milling cutter processing machine |
| CN113492258A (en) * | 2021-06-30 | 2021-10-12 | 东风汽车底盘系统有限公司 | Spline shaft fork friction welding universal fixture |
-
2017
- 2017-10-24 CN CN201721380617.6U patent/CN207414862U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536637A (en) * | 2020-11-30 | 2021-03-23 | 广东鼎泰机器人科技有限公司 | Universal material clamping and rotating mechanism for milling cutter material rod |
| CN112536622A (en) * | 2020-11-30 | 2021-03-23 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for milling cutter material rod |
| CN112705968A (en) * | 2020-11-30 | 2021-04-27 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for multi-station milling cutter processing machine |
| CN112846842A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Rotation control center mechanism of multi-station milling cutter processing machine |
| CN112846868A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Multi-station milling cutter processing machine |
| CN112536622B (en) * | 2020-11-30 | 2022-08-16 | 广东鼎泰机器人科技有限公司 | Universal clamping mechanism of automatic locking of milling cutter material stick |
| CN113492258A (en) * | 2021-06-30 | 2021-10-12 | 东风汽车底盘系统有限公司 | Spline shaft fork friction welding universal fixture |
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