CN205996585U - A kind of self-centering processing mold - Google Patents
A kind of self-centering processing mold Download PDFInfo
- Publication number
- CN205996585U CN205996585U CN201620842342.2U CN201620842342U CN205996585U CN 205996585 U CN205996585 U CN 205996585U CN 201620842342 U CN201620842342 U CN 201620842342U CN 205996585 U CN205996585 U CN 205996585U
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- CN
- China
- Prior art keywords
- mandrel
- expansion sleeve
- self
- processing mold
- centering processing
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Abstract
The utility model discloses a kind of self-centering processing mold, belongs to processing mold field.A kind of self-centering processing mold of the present utility model, including reference seat and mandrel, also include to provide the expansion sleeve of certain variable quantity, the hypomere of described mandrel is fixedly arranged on the workpiece locating surface of reference seat, and the center overlapping of axles of the central shaft of mandrel and the center positioning hole in reference seat；The stage casing of described mandrel is the up-small and down-big cone matched with expansion sleeve；The epimere of described mandrel is thread segment, and the thread segment is sequentially passed through in order to expansion sleeve is fitted in pressing bucket, being locked with locking nut in order to transfer the pressure to after pressure bucket and the pressing plate on workpiece on mandrel.The utility model simple structure, easy for installation, convenient to use, accurately and reliably.
Description
Technical field
The utility model is related to a kind of processing mold, more particularly, it relates to a kind of self-centering processing mold.
Background technology
Electricity for locomotive machine stator be machined with very special requirement, outside positioning be all on the basis of stator magnetic axis
, it is diverse that this is assembly relation with common electric machine stator and housing.And existing motor stator is that profile is extremely complex
Welding structure, the part after welding because having welding stress original plane has deformation, therefore in order to quick
And conveniently the basis of workpiece is decided, urgent need design is a kind of to be suitable for the centering processing mold that above-mentioned motor stator is used.
Content of the invention
1. utility model technical problem to be solved
The purpose of this utility model is to overcome the shortcomings of above-mentioned, there is provided a kind of self-centering processing mold, using this reality
With new technical scheme, simple structure, easy for installation, convenient to use, accurately and reliably.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that the utility model is provided is：
A kind of self-centering processing mold of the present utility model, including reference seat and mandrel, also includes to provide certain change
The expansion sleeve of amount, the hypomere of described mandrel are fixedly arranged on the workpiece locating surface of reference seat, and the central shaft of mandrel and reference seat
On center positioning hole center overlapping of axles；The stage casing of described mandrel is the up-small and down-big circular cone matched with expansion sleeve
Body；The epimere of described mandrel be thread segment, the thread segment sequentially pass through in order to expansion sleeve is fitted on mandrel pressure bucket, use
Locked with locking nut with transferring the pressure to after pressure bucket and the pressing plate on workpiece.
Further, described expansion sleeve is the sleeve with conical centre's through hole, the circumferential wall of described expansion sleeve
On be uniformly provided with the open slot of all-round uniformly split setting.
Further, the open roots of described open slot are circular port.
Further, the upper surface of described expansion sleeve is provided with lifting screwed hole.
Further, described expansion sleeve can provide the variable quantity of diameter 1mm；Described open slot is provided with 6, institute
The width of the open slot that states is 1mm；The a diameter of 6mm of circular port at the open roots of described open slot.
3. beneficial effect
The technical scheme provided using the utility model, compared with existing known technology, is had the advantages that：
(1) a kind of self-centering processing mold of the present utility model, the hypomere of its mandrel are fixedly arranged on the workpiece positioning of reference seat
On face, and the center overlapping of axles of the central shaft of mandrel and the center positioning hole in reference seat, the stage casing of mandrel is and expansion sleeve phase
The up-small and down-big cone for coordinating, the epimere of mandrel is thread segment, and the thread segment is sequentially passed through in order to expansion sleeve to be fitted in
Pressing bucket, locking with locking nut in order to transfer the pressure to after pressure bucket and the pressing plate on workpiece, by workpiece during use on mandrel
It is set on mandrel so that expansion sleeve locks locking nut Wei Yu workpiece and mandrel between, the pressure transmission that locking nut is produced
To on pressure bucket, pressure bucket pushes down on expansion sleeve until expansion sleeve no longer shift position, now workpiece is coaxial with mandrel, is further continued for
Locking locking nut, the pressure transmission that locking nut is produced is on workpiece so that workpiece is accurate with the workpiece locating surface of reference seat
Contact, simple structure, easy for installation, convenient to use, accurately and reliably；
(2) a kind of self-centering processing mold of the present utility model, is uniformly provided with the circumferential wall of its expansion sleeve all-round uniform
The open slot of split setting so that expansion sleeve distending Shi Cong uniformly opens at center, it is ensured that workpiece uniform force；
(3) a kind of self-centering processing mold of the present utility model, the open roots of its open slot are circular port, it is possible to reduce
Stress concentration；
(4) a kind of self-centering processing mold of the present utility model, the upper surface of its expansion sleeve is provided with lifting screwed hole, is easy to
Expansion sleeve is taken out by lifting tool.
Description of the drawings
Fig. 1 is a kind of explosive view of self-centering processing mold of the present utility model；
Fig. 2 is a kind of structural representation of self-centering processing mold of the present utility model；
Structural representation when Fig. 3 is a kind of self-centering processing mold application of the present utility model.
Label declaration in schematic diagram：1st, reference seat；2nd, mandrel；3rd, expansion sleeve；31st, open slot；4th, bucket is pressed；5th, pressing plate；
6th, locking nut.
Specific embodiment
For further appreciating that content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment
In conjunction with Fig. 1 and Fig. 2, a kind of self-centering processing mold of the present embodiment, including reference seat 1, mandrel 2 and can provide one
Determine the expansion sleeve 3 of variable quantity, expansion sleeve 3 can provide the variable quantity of diameter 1mm in the present embodiment；Expansion sleeve 3 be with taper
The sleeve of heart through hole, is uniformly provided with the open slot 31 of all-round uniformly split setting so that expansion sleeve 3 in the circumferential wall of expansion sleeve 3
Distending Shi Cong uniformly opens at center, it is ensured that workpiece uniform force, and the present embodiment split shed groove 31 is provided with 6, open slot 31
Width is 1mm；In order to reduce stress concentration, the open roots of open slot 31 are circular port, the opening of the present embodiment split shed groove 31
The a diameter of 6mm of circular port at mouthful root；And in order to be easy to take out expansion sleeve with lifting tool, the upper table of expansion sleeve 3
Face is provided with lifting screwed hole；The hypomere of mandrel 2 is fixedly arranged on the workpiece locating surface of reference seat 1, and the central shaft of mandrel 2 and benchmark
The center overlapping of axles of the center positioning hole on seat 1；The stage casing of mandrel 2 is the up-small and down-big cone matched with expansion sleeve 3；
The epimere of mandrel 2 be thread segment, the thread segment sequentially pass through in order to expansion sleeve 3 is fitted on mandrel 2 pressure bucket 4, in order to will
Pressure transmission is locked with locking nut 6 to after the pressing plate 5 on pressure bucket 4 and workpiece, and simple structure is easy for installation, with convenient and swift,
Accurately and reliably.
Referring to Fig. 3, first reference seat 1 is installed on platen when workpiece is installed, and guarantees the center in reference seat 1
The central shaft of location hole and the centre of gyration overlapping of axles of platen；Again workpiece is enclosed within outside mandrel 2, and expansion sleeve 3 is inserted
Enter between workpiece and mandrel, so that the thread segment of mandrel 2 and locking nut 6 are locked after being put into then pressure bucket 4, pressing plate 5, rotation
Locking nut 6 by the coupling mechanism force of generation by pressing plate 5 reach pressure bucket 4, pressure bucket 4 again expansion sleeve 3 is exerted a force so that expansion sleeve 3 to
Lower movement, and workpiece can be moved under the promotion of expansion sleeve 3, represented workpiece magnetic axis after expansion sleeve 3 can not be moved still further below
Through coaxial with mandrel 2.Rotational workpieces cause workpiece to be fixedly arranged in the dowel hole in reference seat 1 by alignment pin, continue rotation
Locking nut 6, and the coupling mechanism force of generation is reached on workpiece by pressing plate 5 so that workpiece is tight with the workpiece locating surface of reference seat 1
Contiguity is touched, and now completes the installation of workpiece, you can carry out being machined；The step of removing workpiece and installation steps conversely, and
Expansion sleeve 3 is taken out by lifting tool.
A kind of self-centering processing mold of the present utility model, simple structure, easy for installation, convenient to use, accurately may be used
Lean on.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by which, in the case of objective is created without departing from the utility model, design without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (5)
1. a kind of self-centering processing mold, including reference seat (1) and mandrel (2), it is characterised in that：Also include to provide certain change
The expansion sleeve (3) of change amount, the hypomere of described mandrel (2) are fixedly arranged on the workpiece locating surface of reference seat (1), and mandrel (2)
The center overlapping of axles of the center positioning hole on central shaft and reference seat (1)；The stage casing of described mandrel (2) is and expansion sleeve (3)
The up-small and down-big cone for matching；The epimere of described mandrel (2) is thread segment, and the thread segment is sequentially passed through in order to will be swollen
Pressure bucket (4) that expansion set (3) is fitted on mandrel (2), in order to transfer the pressure to pressure bucket (4) and the pressing plate (5) on workpiece afterwards with
Locking nut (6) is locked.
2. a kind of self-centering processing mold according to claim 1, it is characterised in that：Described expansion sleeve (3) be with
The sleeve of conical centre's through hole, is uniformly provided with the open slot of all-round uniformly split setting in the circumferential wall of described expansion sleeve (3)
(31).
3. a kind of self-centering processing mold according to claim 2, it is characterised in that：The opening of described open slot (31)
Root is circular port.
4. a kind of self-centering processing mold according to claim 3, it is characterised in that：The upper table of described expansion sleeve (3)
Face is provided with lifting screwed hole.
5. a kind of self-centering processing mold according to claim 4, it is characterised in that：Described expansion sleeve (3) can be provided
The variable quantity of diameter 1mm；Described open slot (31) is provided with 6, and the width of described open slot (31) is 1mm；Described
The a diameter of 6mm of circular port at the open roots of open slot (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842342.2U CN205996585U (en) | 2016-08-04 | 2016-08-04 | A kind of self-centering processing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842342.2U CN205996585U (en) | 2016-08-04 | 2016-08-04 | A kind of self-centering processing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205996585U true CN205996585U (en) | 2017-03-08 |
Family
ID=58199353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842342.2U Active CN205996585U (en) | 2016-08-04 | 2016-08-04 | A kind of self-centering processing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205996585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871710A (en) * | 2022-07-12 | 2022-08-09 | 成都航天万欣科技有限公司 | Machining method for slender shaft-shaped centering structural part |
-
2016
- 2016-08-04 CN CN201620842342.2U patent/CN205996585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871710A (en) * | 2022-07-12 | 2022-08-09 | 成都航天万欣科技有限公司 | Machining method for slender shaft-shaped centering structural part |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |