CN206824687U - A kind of shaping mould inner hole of workpiece zero-clearance locating processor structure - Google Patents
A kind of shaping mould inner hole of workpiece zero-clearance locating processor structure Download PDFInfo
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- CN206824687U CN206824687U CN201720578729.6U CN201720578729U CN206824687U CN 206824687 U CN206824687 U CN 206824687U CN 201720578729 U CN201720578729 U CN 201720578729U CN 206824687 U CN206824687 U CN 206824687U
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- mandrel
- shaping mould
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- bipyramid
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Abstract
It the utility model is related to a kind of shaping mould inner hole of workpiece zero-clearance locating processor structure, mandrel is plugged with the endoporus of shaping mould workpiece, the front end center of mandrel is top before being plugged with, and the preceding top claw by scroll chuck is clamped, and mandrel front end is connected by some claw of U-shaped shifting block and scroll chuck；The middle part of mandrel is provided with positioning boss, the front end face of shaping mould workpiece is resisted against on positioning boss, bipyramid expansion sleeve is installed in the annular gap between the endoporus of shaping mould workpiece and the periphery of mandrel, the rear port of bipyramid expansion sleeve is concordant with the rear end face of shaping mould workpiece, the rear end of bipyramid expansion sleeve is provided with movable tapered sleeve, movable tapered sleeve is arranged on mandrel by dive key, the rear end face of movable tapered sleeve is pressed with locking nut, locking nut is screwed on the thread segment of mandrel, the rear end face center of mandrel is provided with positioning hole after mandrel, back centre is plugged with after mandrel in positioning hole.The mechanism can ensure the endoporus of shaping mould workpiece and cylindrical high-precision coaxial degree.
Description
Technical field
A kind of lathe process frock is the utility model is related to, more particularly to a kind of shaping mould inner hole of workpiece zero-clearance positioning adds
Work mechanism, belong to welded tube manufacture technical field of auxiliary equipment.
Background technology
In welded tube mill mechanical processing process, often require that shaping mould workpiece endoporus and it is cylindrical have very high axiality,
Light-wall pipe is particularly processed, typically requires axiality 0.01 or so.Quenched after shaping mould workpiece semifinishing, hardness reaches
HRC58 °~HRC62 °, typically process endoporus and cylindrical with sintex, some workpiece need secondary clamping, it is difficult to ensure endoporus and
Cylindrical axiality, with 1：3000 axle positioning endoporus, but clamping workpiece position disunity every time, processing excircles curve, are needed
Processed with Digit Control Machine Tool, made troubles to processing.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, there is provided a kind of shaping mould inner hole of workpiece
Zero-clearance locating processor structure, being accurately positioned for shaping mould inner hole of workpiece can be realized using simple structure, ensure shaping die worker
The endoporus of part has very accurate axiality with cylindrical.
To solve above technical problem, a kind of shaping mould inner hole of workpiece zero-clearance locating processor structure of the present utility model, bag
Cylindrical shaping mould workpiece to be processed is included, is plugged with mandrel in the endoporus of the shaping mould workpiece, the front end of the mandrel is provided with
Mandrel socket cap, the front end face center of the mandrel socket cap are provided with mandrel prelocalization hole, grafting in the mandrel prelocalization hole
Top before having, the preceding top claw by scroll chuck clamps, and is machined with the circumference of the mandrel socket cap parallel to core
The mounting plane of axle axis, the middle part of the mounting plane are provided with the mandrel thread hole radially extended to mandrel axis, and U-shaped is dialled
The back-end central of block is connected with screw, and the lower end of the screw is screwed in mandrel thread hole, the two-arm front end of the U-shaped shifting block
It is hinged on some claw of scroll chuck；The middle part of the mandrel is provided with outwardly positioning boss, the shaping die worker
The front end face of part is resisted against on the step of the positioning boss, and the rear end of the mandrel is stretched from the endoporus of the shaping mould workpiece
Go out, annular gap is provided between the endoporus of the shaping mould workpiece and the periphery of the mandrel, is provided with the annular gap
Can with the bipyramid expansion sleeve of shaping mould inner hole of workpiece swelling, after the rear port of the bipyramid expansion sleeve and the shaping mould workpiece
End face is concordant, and the rear end of the bipyramid expansion sleeve is provided with movable tapered sleeve, and the movable tapered sleeve is arranged on institute by dive key
State on mandrel, the rear end face of the movable tapered sleeve is pressed with locking nut, and the locking nut is screwed in the thread segment of the mandrel
On, the rear end face center of the mandrel is provided with positioning hole after mandrel, and back centre is plugged with positioning hole after the mandrel.
Relative to prior art, the utility model achieves following beneficial effect：Because the claw of scroll chuck clamps core
Easily there is error in axial cylindrical head, directly with top before the claw clamping of scroll chuck, the preceding top turning directly on lathe and
Into after turning, being maintained at that clamp position is motionless, avoid again the error of clamping, the mandrel prelocalization hole of mandrel is withstood on
It is preceding it is top on, while the back centre of lathe is withstood on after mandrel in positioning hole, realizes that both ends are withstood.The precession of locking nut, makes
Obtain movable tapered sleeve to extrude forward so that bipyramid expansion sleeve and shaping mould inner hole of workpiece swelling, realize gapless swelling；Pass through U-shaped
Shifting block makes mandrel and shaping mould workpiece be rotated with chuck, carries out the Excircle machining of shaping mould workpiece, it is ensured that with its endoporus
Axiality.
As improvement of the present utility model, the both ends of the bipyramid expansion sleeve are respectively equipped with 45 ° of small horn mouths of outer imperial palace,
The preceding horn mouth of the bipyramid expansion sleeve is connected in the type conical bench of the mandrel, and the front end of the movable tapered sleeve is provided with 45 °
Outer chamfering, chamfering is inserted in the rear horn mouth of the bipyramid expansion sleeve outside the front end of the movable tapered sleeve.Before movable tapered sleeve
The outer chamfering in end extrudes forward the rear horn mouth of bipyramid expansion sleeve, and the type conical bench of the preceding horn mouth and mandrel of bipyramid expansion sleeve is also in
45° angle coordinates.
As further improvement of the utility model, multiple tracks is evenly distributed with vertically on the circumference of the bipyramid expansion sleeve
The front stretching seam of extension and rear expansion joint, each front stretching are stitched respectively from the front port of bipyramid expansion sleeve to latter half of extension,
Expansion joint extends from the rear port of bipyramid expansion sleeve to first half respectively after described.Front stretching stitch and rear expansion joint not to the end,
Bipyramid expansion sleeve is set to keep an entirety, as both ends are squeezed, front stretching seam provides the elasticity of expansion with rear expansion joint,
Make bipyramid expansion sleeve and shaping mould inner hole of workpiece swelling.
As further improvement of the utility model, the root at expansion joint is respectively equipped with swollen after the front stretching is stitched and be described
Tight set circular hole, the diameter of the expansion sleeve circular hole are more than the width at expansion joint after the front stretching is stitched or be described.Expansion sleeve circular hole
The stress concentration phenomenon of front stretching seam or rear expansion joint root can be eliminated, prevents bipyramid expansion sleeve in telescopic process, is protracted
The root at contracting seam or rear expansion joint is torn.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the front view of the utility model shaping mould inner hole of workpiece zero-clearance locating processor structure.
Fig. 2 is along A-A sectional view in Fig. 1.
Fig. 3 is Fig. 1 stereogram.
Fig. 4 is the front view of mandrel in Fig. 1.
Fig. 5 is Fig. 4 stereogram.
Fig. 6 is the front view of bipyramid expansion sleeve in Fig. 1.
Fig. 7 is along B-B sectional view in Fig. 6.
Fig. 8 is Fig. 6 stereogram.
Fig. 9 is the stereogram of movable tapered sleeve in Fig. 1.
In figure：1. mandrel；1a. mandrel socket caps；1b. mandrel threads hole；1c. positioning boss；2. bipyramid expansion sleeve；2a.
Front stretching is stitched；Expansion joint after 2b.；3. movable tapered sleeve；4. dive key；5. locking nut；6.U shape shifting blocks；7. scroll chuck；
7a. claws；It is top before 8.；9. back centre；10. shaping mould workpiece.
Embodiment
As shown in Figures 1 to 9, shaping mould inner hole of workpiece zero-clearance locating processor structure of the present utility model includes to be processed outer
Round shaping mould workpiece 10, mandrel 1 is plugged with the endoporus of shaping mould workpiece 10, the front end of mandrel 1 is provided with mandrel socket cap 1a,
The middle part of mandrel 1 is provided with outwardly positioning boss 1c, and the front end face of shaping mould workpiece 10 is resisted against positioning boss 1c platform
On rank, the rear end of mandrel 1 is stretched out from the endoporus of shaping mould workpiece 10, the endoporus of shaping mould workpiece 10 and the periphery of mandrel 1 it
Between be provided with annular gap, being provided with annular gap can be with the bipyramid expansion sleeve 2 of shaping mould inner hole of workpiece swelling, bipyramid expansion sleeve
2 rear port is concordant with the rear end face of shaping mould workpiece 10, and the rear end of bipyramid expansion sleeve 2 is provided with movable tapered sleeve 3, movable tapered sleeve
3 are arranged on mandrel 1 by dive key 4, and the rear end face of movable tapered sleeve 3 is pressed with locking nut 5, and locking nut 5 is screwed in core
On the thread segment of axle 1, the rear end face center of mandrel 1 is provided with positioning hole after mandrel.
Mandrel socket cap 1a front end face center is provided with mandrel prelocalization hole, top 8 before being plugged with mandrel prelocalization hole,
Preceding top 8 are clamped by the claw 7a of scroll chuck 7, and the installation parallel to mandrel axis is machined with mandrel socket cap 1a circumference
Plane, the middle part of mounting plane are provided with the mandrel thread hole 1b radially extended to mandrel axis, the back-end central of U-shaped shifting block 6
Screw is connected with, the lower end of screw is screwed in the 1b of mandrel thread hole, and the two-arm front end of U-shaped shifting block 6 is hinged on scroll chuck 7
On some claw 7a.Because error easily occurs in the claw 7a clampings mandrel socket cap 1a of scroll chuck 7, scroll chuck is directly used
Top 8, preceding top 8 turning forms directly on lathe before 7 claw 7a clampings, after turning, is maintained at clamp position not
It is dynamic, the error of clamping is avoided again, the mandrel prelocalization hole of mandrel is withstood on preceding top 8, while the back centre 9 of lathe is pushed up
After mandrel in positioning hole, realize that both ends are withstood；The precession of locking nut 5 so that movable tapered sleeve 3 extrudes forward so that bipyramid
Expansion sleeve 2 and shaping mould inner hole of workpiece swelling, realize gapless swelling.By U-shaped shifting block 6 make mandrel and shaping mould workpiece 10 with
Chuck rotates, and carries out the Excircle machining of shaping mould workpiece 10, it is ensured that the axiality with its endoporus.
As shown in Figures 6 to 9, the both ends of bipyramid expansion sleeve 2 are respectively equipped with 45 ° of small horn mouths of outer imperial palace, bipyramid swelling
The preceding horn mouth of set 2 is connected in the type conical bench of mandrel, and the front end of movable tapered sleeve 3 is provided with 45 ° of outer chamferings, movable tapered sleeve 3
Chamfering is inserted in the rear horn mouth of bipyramid expansion sleeve 2 outside front end.Chamfering extrudes forward bipyramid swelling outside the front end of movable tapered sleeve 3
The rear horn mouth of set 2, the type conical bench of the preceding horn mouth and mandrel of bipyramid expansion sleeve 2 also coordinate in 45° angle.
The front stretching seam 2a and rear expansion joint 2b that multiple tracks axially extends is evenly distributed with the circumference of bipyramid expansion sleeve 2,
Each front stretching stitches 2a respectively from the front port of bipyramid expansion sleeve 2 to latter half of extension, and rear expansion joint 2b is respectively from bipyramid expansion sleeve 2
Rear port to first half extend.Front stretching seam 2a and rear expansion joint 2b not to the end, make bipyramid expansion sleeve 2 keep one it is whole
Body, as both ends are squeezed, front stretching seam 2a and rear expansion joint 2b provides the elasticity of expansion, make bipyramid expansion sleeve 2 with into
Pattern inner hole of workpiece swelling.
Front stretching seam 2a and rear expansion joint 2b root is respectively equipped with expansion sleeve circular hole, before the diameter of expansion sleeve circular hole is more than
Expansion joint 2a or rear expansion joint 2b width.Expansion sleeve circular hole can eliminate the stress of front stretching seam 2a or rear expansion joints 2b roots
Concentration phenomenon, bipyramid expansion sleeve is prevented in telescopic process, front stretching seam 2a or rear expansion joint 2b root is torn.
It the foregoing is only the preferable possible embodiments of the utility model, non-therefore limitation patent of the present utility model
Protection domain.In addition to the implementation, the utility model can also have other embodiment.It is all to use equivalent substitution or equivalent change
The technical scheme to be formed is changed, is all fallen within the protection domain of the requires of the utility model.Technology of the utility model without description is special
Sign can be realized by or using prior art, will not be repeated here.
Claims (4)
1. a kind of shaping mould inner hole of workpiece zero-clearance locating processor structure, including cylindrical shaping mould workpiece to be processed, its feature exist
In：Mandrel is plugged with the endoporus of the shaping mould workpiece, the front end of the mandrel is provided with mandrel socket cap, the mandrel cylinder
The front end face center of head is provided with mandrel prelocalization hole, top before being plugged with the mandrel prelocalization hole, described preceding top by three
The claw of dog chuck is clamped, and the mounting plane parallel to mandrel axis, the peace are machined with the circumference of the mandrel socket cap
The middle part for filling plane is provided with the mandrel thread hole radially extended to mandrel axis, and the back-end central of U-shaped shifting block is connected with screw,
The lower end of the screw is screwed in mandrel thread hole, and the two-arm front end of the U-shaped shifting block is hinged on some card of scroll chuck
On pawl；The middle part of the mandrel is provided with outwardly positioning boss, and it is described fixed that the front end face of the shaping mould workpiece is resisted against
Position boss step on, the rear end of the mandrel is stretched out from the endoporus of the shaping mould workpiece, the shaping mould workpiece it is interior
Annular gap is provided between hole and the periphery of the mandrel, being provided with the annular gap can be with shaping mould inner hole of workpiece swelling
Bipyramid expansion sleeve, the rear port of the bipyramid expansion sleeve is concordant with the rear end face of the shaping mould workpiece, the bipyramid swelling
The rear end of set is provided with movable tapered sleeve, and the movable tapered sleeve is arranged on the mandrel by dive key, the movable tapered sleeve
Rear end face be pressed with locking nut, the locking nut is screwed on the thread segment of the mandrel, in the rear end face of the mandrel
The heart is provided with positioning hole after mandrel, is plugged with back centre in positioning hole after the mandrel.
2. shaping mould inner hole of workpiece zero-clearance locating processor structure according to claim 1, it is characterised in that：The bipyramid is swollen
The both ends of tight set are respectively equipped with 45 ° of small horn mouths of outer imperial palace, and the preceding horn mouth of the bipyramid expansion sleeve is connected to the mandrel
Type conical bench on, the front end of the movable tapered sleeve is provided with 45 ° of outer chamferings, and chamfering is inserted in institute outside the front end of the movable tapered sleeve
In the rear horn mouth for stating bipyramid expansion sleeve.
3. shaping mould inner hole of workpiece zero-clearance locating processor structure according to claim 2, it is characterised in that：The bipyramid is swollen
Be evenly distributed with the front stretching seam and rear expansion joint that multiple tracks axially extends on the circumference of tight set, each front stretching seam respectively from
The front port of bipyramid expansion sleeve prolongs from the rear port of bipyramid expansion sleeve to first half respectively to latter half of extension, the rear expansion joint
Stretch.
4. shaping mould inner hole of workpiece zero-clearance locating processor structure according to claim 3, it is characterised in that：The front stretching
The root at seam and the rear expansion joint is respectively equipped with expansion sleeve circular hole, and the diameter of the expansion sleeve circular hole stitches more than the front stretching
Or the width at the rear expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578729.6U CN206824687U (en) | 2017-05-23 | 2017-05-23 | A kind of shaping mould inner hole of workpiece zero-clearance locating processor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578729.6U CN206824687U (en) | 2017-05-23 | 2017-05-23 | A kind of shaping mould inner hole of workpiece zero-clearance locating processor structure |
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| Publication Number | Publication Date |
|---|---|
| CN206824687U true CN206824687U (en) | 2018-01-02 |
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ID=60771093
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578729.6U Active CN206824687U (en) | 2017-05-23 | 2017-05-23 | A kind of shaping mould inner hole of workpiece zero-clearance locating processor structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702394A (en) * | 2020-07-01 | 2020-09-25 | 孙君 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN111805277A (en) * | 2019-04-10 | 2020-10-23 | 安徽美芝制冷设备有限公司 | Work fixture |
| CN114226776A (en) * | 2021-12-30 | 2022-03-25 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Auxiliary clamping device for turning sheet thin-wall parts and machining method |
-
2017
- 2017-05-23 CN CN201720578729.6U patent/CN206824687U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805277A (en) * | 2019-04-10 | 2020-10-23 | 安徽美芝制冷设备有限公司 | Work fixture |
| CN111805277B (en) * | 2019-04-10 | 2022-08-09 | 安徽美芝制冷设备有限公司 | Work fixture |
| CN111702394A (en) * | 2020-07-01 | 2020-09-25 | 孙君 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN111702394B (en) * | 2020-07-01 | 2022-02-11 | 山东智迈德智能科技有限公司 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN114226776A (en) * | 2021-12-30 | 2022-03-25 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Auxiliary clamping device for turning sheet thin-wall parts and machining method |
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