CN206559207U - A kind of Simple stator iron core laminated mold - Google Patents
A kind of Simple stator iron core laminated mold Download PDFInfo
- Publication number
- CN206559207U CN206559207U CN201720276799.6U CN201720276799U CN206559207U CN 206559207 U CN206559207 U CN 206559207U CN 201720276799 U CN201720276799 U CN 201720276799U CN 206559207 U CN206559207 U CN 206559207U
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- China
- Prior art keywords
- stripper
- punching group
- stator punching
- stator
- iron core
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Abstract
The utility model discloses a kind of Simple stator iron core laminated mold, including：Pressing plate and stripper setting up and down, stator punching group is located between pressing plate and stripper；Groove lining bar vestibule, it extends downward into stripper from pressing plate upper surface, and including be circumferentially all provided with least two, be respectively arranged with groove lining bar in each groove lining bar vestibule；Elastic component, with axial elasticity deformation power, it is located at below stripper；Base assembly, is fixed in below elastic component, and limit chamber is configured between base assembly, elastic component and the stripper, and the built-in finite place piece of limit chamber, locating part has the upper surface parallel with stator punching group surface；Core assembly is positioned, base assembly is fixed in, and coordinate with the interior interporal lacuna of stator punching group；Riveting pawl, below the rivet of stator punching group, and when stator punching group is compressed, riveting pawl can cut the rivet of stator punching group and riveting is turned in progress.The mould structure is simple, simple operation, and positioning is reliable.
Description
Technical field
The present invention relates to a kind of laminated mold, and in particular to a kind of Simple stator iron core laminated mold.
Background technology
Stator core（Shown in Fig. 1）For low-speed permanent-magnet synchronous motor, its middle part has endoporus, positioned at endoporus surrounding,
And some side openings being circumferentially all provided with, and the fixing hole for being connected.Because its stator and rotor gap is only 0.05mm, because
This as motor core component stator core its to laminate precision be most important guarantee.It is by a number of stator
Punching is put into stator core laminating die after reason piece, in the case where ensuring positioning precision, carries out repeatedly pressing using hydraulic press,
Final iron core product close non-loosening, the flatness of iron core, perpendicularity and uneven degree index must must be all controlled between piece
System is within 0.05mm, and repeatedly pressing mold positioning that this requires to be developed is reliable, axial limited location and easy to operate when compressing.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of stator core laminated mold, the mould structure is simple, operation
Convenient, positioning is reliable.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of Simple stator iron core laminated mold, including：
Pressing plate and stripper setting up and down, stator punching group is located between pressing plate and stripper；
Groove lining bar vestibule, it extends downward into stripper from pressing plate upper surface, and including be circumferentially all provided with least two,
Groove lining bar is respectively arranged with each groove lining bar vestibule；
Elastic component, with axial elasticity deformation power, it is located at below stripper；It is preferred that, elastic component is metal or non-gold
Belong to elastic component, it is further preferred that elastic component is rubber parts or spring, most have choosing, elastic component is rubber parts；
Base assembly, is fixed in below elastic component, is constructed between the base assembly, elastic component and the stripper limited
Position chamber, the built-in finite place piece of limit chamber, the locating part has the upper surface parallel with stator punching group surface；
Core assembly is positioned, base assembly is fixed in, and coordinate with the interior interporal lacuna of stator punching group；
Riveting pawl, below the rivet of stator punching group, and when stator punching group is compressed, the riveting pawl can be cut
The rivet of stator punching group and riveting is turned in progress.
In order to avoid the stagger ratio error of the inside and outside edge of stator core, in another preferred scheme：The positioning core assembly
By the locating core with taper cylinder, and the resilient sleeve composition being placed on the outside of locating core；The resilient sleeve has and locating core
The corresponding cone shaped body of taper cylinder, the diameter of the cone shaped body is up-small and down-big, and cone shaped body is highly interior more than stator punching group
Hole height.When resilient sleeve receives downward pressure, resilient sleeve can be micro descending, while producing radial dilatation, makes resilient sleeve
The locating effect of zero clearance is produced between outer rim and stator punching group endoporus.
In another preferred scheme：The locating part is to be sheathed on the spacing collar on the outside of locating core.
In another preferred scheme：The resilient sleeve is the resilient sleeve of lateral opening.
In another preferred scheme：Riveting pawl chamber, institute are also configured between the base assembly, elastic component and the stripper
The bottom for stating riveting pawl is fixed in the base assembly, and top can go out the outlet of riveting pawl chamber.
In another preferred scheme：The end of the riveting pawl be intermediate projections, both sides be recessed it is corrugated.
In another preferred scheme：The base assembly includes bottom plate and backing plate setting up and down.
The method laminated using above-mentioned mould is：
（1）Piece is managed, several stator punchings to be installed are alignd by mark groove, rivet is installed in corresponding hole, is formed
Stator punching group；
（2）Resilient sleeve is first filled in the endoporus for the stator punching group managed, then groove lining bar is inserted into stator punching group
In groove, when groove lining bar is two, in the symmetrical side opening that two groove lining bars are inserted to this group of punching respectively（I.e. circumferentially
It is all provided with）；
（3）Iron core clamping, by the stator punching group obtained as above still loosened together with the resilient sleeve and groove lining bar one inserted
And it is inserted in locating core and the corresponding groove lining bar positioning hole of stripper（It belongs to alleged by a part for groove lining bar vestibule, i.e. embodiment
Second chamber）In；Finally cover pressing plate；
（4）Repeatedly press, turn on the power device, downward pressure is imposed to pressing plate, axially loose stator punching group is by pressing plate
Gradually compress, elastic component be pressurized it is thinning while, riveting pawl end incision rivet carry out turn over riveting, with elastic component further by
Compression, when the lower plane of stripper and the upper plane of locating part are collided, pushes that acquisition is spacing, now riveting pawl end is just inserted
Rivet bottom outlet simultaneously completes riveting；
（5）Pickup is stripped, pickup can be stripped by cancelling pressure, and removing pressing plate and stator core.Again clamping just can enter
Enter riveting next time.
The beneficial effect that the present invention is reached：
This mould is first to stator punching group elastic compression row riveting again, and tight ness rating is higher between making stator punching；With stator
Punching group by progressively elastic compression, stripper be also pressurized it is descending, when its lower plane encounters the upper plane of locating part, pressurization knot
Beam, in the presence of rigid limit, the flatness of stator punching group is ensured (otherwise its plane undulate)；Due to adopting
With the resilient sleeve of taper fit, and in the final stage of riveting, its top is compressed axially by pressing plate, and resilient sleeve is micro
It is descending, while producing radial dilatation, make the desired position effect that zero clearance is produced between resilient sleeve outer rim and stator punching group endoporus
Really, the stagger ratio error of the inside and outside edge of stator core is thoroughly avoided.
This mould structure is simple and convenient to operate, and preferably solving discrete piece and being difficult positioning, axial pre-pressing causes stator iron
Core face deformation and the uneven problem of stator core periphery.As the especially experimental production of bulk production, with production
Quality is stable, risk is small, smail investments and quick rerurn advantage.
Brief description of the drawings
Fig. 1 is the structural representation of stator punching；
Fig. 2 is the structural representation of Simple stator iron core laminated mold in embodiment；
Fig. 3 is the top view of Fig. 2 center platens；
Fig. 4 is the top view of stripper in Fig. 2；
Fig. 5 is the structural representation of locating core in Fig. 2；
Fig. 6 is the side view of resilient sleeve in Fig. 2；
Fig. 7 is the top view of resilient sleeve in Fig. 6；
Fig. 8 is the structural representation of riveting pawl in Fig. 2；
Wherein：
1. stator punching, 11. endoporus, 12. side openings, 13. fixing holes, 14. rivets, 15. stator punching groups, 2. pressing plates,
21. the first chamber, 22. upper latch notches, 3. strippers, 31. second chambers, 32. under bayonets, 4. spacing collars, 5. groove lining bars, 51. groove samples
Rod vestibule, 61. resilient sleeves, 62. locating cores, 63. taper cylinders, 64. cone shaped bodies, 65. lateral openings, 7. elastic components, 71.
Limit chamber, 8. riveting pawls, 81. pawl heads, 9. base assemblies, 91. bottom plates, 92. backing plates, 93. first fixtures, 94. second fix
Part.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
Mould in the present embodiment is that the stator core that stator punching 1 as shown in Figure 1 is constituted is laminated, its structure
It is：As shown in Fig. 2 including：
Pressing plate 2 and stripper 3 setting up and down, as shown in Figures 3 and 4, stator punching group 15 are located at pressing plate 2 and stripper 3
Between；Stator punching group 15 now is that the monolithic stator punching 1 for having certain amount adds the sub-assembly after rivet 14, this implementation
In example final riveting into the thickness of stator core be 50mm, monolithic stator punching 1（Material is silicon steel sheet）Thickness is 0.5mm,
Stator punching group 15 includes 100 stator punchings 1 altogether.Accurate positioning is read and convenient degree, the bottom of pressing plate 2 when being laminated to increase
With downward opening upper latch notch 22, upper latch notch 22 and the upper periphery face gap of resilient sleeve 61 coordinate.The top of stripper 3 has
Opening up under bayonet 32, the lower, outer perimeter face gap of the under bayonet 32 and resilient sleeve 61 coordinates.
Groove lining bar vestibule 51, it extends downward into stripper 3 from the upper surface of pressing plate 2, and including being circumferentially all provided with least
Two.Specifically, groove lining bar vestibule 51 includes what is set gradually from top to bottom：1. the stator of the first chamber 21,2. positioned at pressing plate 2 is rushed
The side opening 12 of piece group 15, and 3. be located at stripper 3 the second chamber 31, the first chamber 21, the chamber 31 of side opening 12 and second connect.Each
Groove lining bar 5 is respectively arranged with groove lining bar vestibule 51；In the present embodiment, two groove lining bar vestibules 51 and groove lining bar 5 are preferably provided with, they
Circumferentially it is symmetrical arranged, and groove lining bar 5 coordinates with the gap of groove lining bar vestibule 51.
Elastic component 7, with axial elasticity deformation power, it is located at the lower section of stripper 3；In the present embodiment, elastic component 7 is rubber
Part.
Base assembly 9, is fixed in the lower section of elastic component 7, is configured between base assembly 9, elastic component 7 and the stripper 3
Limit chamber 71, specifically, limit chamber 71 is along the circumferentially disposed toroidal cavity of locating core 62.The built-in finite place piece of limit chamber 71,
Locating part has the upper surface parallel with the surface of stator punching group 15；In the present embodiment, locating part is to be sheathed on outside locating core 62
The spacing collar 4 of side, the upper surface of the spacing collar 4 is parallel with the lower surface of stator punching group 15, when stator punching group 15 is depressed
OK, during the upper surface of its lower surface and spacing collar 4, stator punching group 15 is descending to be obstructed, and reaches downward ultimate range,
It follows that spacing collar 4 is rigid limit ring 4.
Position core assembly, such as Fig. 1, and shown in 5-7 is fixed in base assembly 9, and with the gap of endoporus 11 of stator punching group 15
Coordinate；In order to avoid the stagger ratio error of the inside and outside edge of stator core, specifically, positioning core assembly is by with taper cylinder 63
（It is specially conical cylinder in the present embodiment）Locating core 62, and be placed on the resilient sleeve 61 in the outside of locating core 62 and constitute, position
The bottom of core 62 is fixed in base assembly 9.Resilient sleeve 61 has cone shaped body 64 corresponding with the taper cylinder 63 of locating core 62, the cone
The diameter of die cavity 64 is up-small and down-big, and the height of cone shaped body 64 is more than the height of endoporus 11 of stator punching group 15.In the present embodiment, cone
The gradient a of die cavity 64 is 10 ゜.Resilient sleeve 61 is the resilient sleeve 61 with lateral opening 65, the own elasticity of lateral opening 65 set 61
Lower opening end is upwardly extended.When stator punching group 15 is pressurized descending, resilient sleeve 61 can be micro descending, while producing radially
Expansion, makes the desired position effect that zero clearance is produced between the outer rim of resilient sleeve 61 and the endoporus 11 of stator punching group 15, thoroughly avoids
The stagger ratio error of the inside and outside edge of stator core.
Riveting pawl 8, as shown in figure 8, it is located at the lower section of rivet 14 of stator punching group 15, and when stator punching group 15 is compressed
When, riveting pawl 8 can cut the rivet 14 of stator punching group 15 and carry out turning over riveting.In order to ensure to turn over riveting quality, the end of riveting pawl 8
（Pawl first 81）For intermediate projections, both sides be recessed it is corrugated.Specifically, going back structure between base assembly 9, elastic component 7 and stripper 3
Riveting pawl chamber is made, riveting pawl 8 coordinates with riveting pawl cavity gap, and the bottom of riveting pawl 8 is fixed in base assembly 9, and top can go out riveting pawl chamber
Outlet.
Above-mentioned base assembly 9 includes bottom plate 91 and backing plate 92 setting up and down.Pass through first between bottom plate 91 and backing plate 92
Fixture 93 is fixed.Fixed between bottom deck assembly and elastic component 7, stripper 3 by the second fixture 94.
The method laminated using above-mentioned mould is：
（1）Piece is managed, 100 stator punchings 1 to be installed are alignd by mark groove, is pacified in corresponding 6 fixing holes 13
Drive the rivets 14, form stator punching group 15；
（2）Resilient sleeve 61 is first filled in the endoporus 11 for the stator punching group 15 managed, then two groove lining bars 5 are inserted respectively
In the symmetrical side opening 12 for entering stator punching group 15.
（3）Iron core clamping, by the stator punching group 15 obtained as above still loosened together with the resilient sleeve 61 and groove sample inserted
Rod 5 is inserted in locating core 62 and corresponding second chamber 31 of stripper 3 in the lump；Finally cover pressing plate 2；
（4）Repeatedly press, starting hydraulic press makes its cope plate descending, downward pressure is imposed to pressing plate 2, axially loose stator
Punching group 15 is gradually compressed by pressing plate 2, while elastic component 7 is pressurized thinning, and the end incision rivet 14 of riveting pawl 8 is turned over
Riveting, as elastic component 7 is further compressed, when the lower plane of stripper 3 and the upper plane of locating part are collided, pushes and is limited
Position, now the end of riveting pawl 8 just inserts the bottom outlet of rivet 14 and completes riveting；
（5）Pickup is stripped, lathe is started and is up to top, cancel pressure, removing pressing plate 2 and stator core can be stripped and take
Part.Again clamping just can enter riveting next time.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of Simple stator iron core laminated mold, it is characterised in that including：
Pressing plate and stripper setting up and down, stator punching group is located between pressing plate and stripper；
Groove lining bar vestibule, it extends downward into stripper from pressing plate upper surface, and including be circumferentially all provided with least two, each
Groove lining bar is respectively arranged with the groove lining bar vestibule；
Elastic component, with axial elasticity deformation power, it is located at below stripper；
Base assembly, is fixed in below elastic component, limited location is constructed between the base assembly, elastic component and the stripper
Chamber, the built-in finite place piece of limit chamber, the locating part has the upper surface parallel with stator punching group surface；
Core assembly is positioned, base assembly is fixed in, and coordinate with the interior interporal lacuna of stator punching group；
Riveting pawl, below the rivet of stator punching group, and when stator punching group is compressed, the riveting pawl can cut stator
The rivet of punching group and riveting is turned in progress.
2. a kind of Simple stator iron core laminated mold according to claim 1, it is characterised in that the positioning core assembly by
Locating core with taper cylinder, and the resilient sleeve composition being placed on the outside of locating core；The resilient sleeve has the cone with locating core
The corresponding cone shaped body of shape cylinder, the diameter of the cone shaped body is up-small and down-big, and cone shaped body is highly more than the endoporus of stator punching group
Highly.
3. a kind of Simple stator iron core laminated mold according to claim 2, it is characterised in that the locating part is to be arranged
Spacing collar on the outside of locating core.
4. a kind of Simple stator iron core laminated mold according to Claims 2 or 3, it is characterised in that the resilient sleeve is
The resilient sleeve of lateral opening.
5. a kind of Simple stator iron core laminated mold according to claim any one of 1-3, it is characterised in that the base
Riveting pawl chamber is also configured between component, elastic component and the stripper, the bottom of the riveting pawl is fixed in the base assembly, top
The outlet of riveting pawl chamber can be gone out.
6. a kind of Simple stator iron core laminated mold according to claim 5, it is characterised in that the end of the riveting pawl is
It is corrugated that intermediate projections, both sides are recessed.
7. a kind of Simple stator iron core laminated mold according to claim 1 or 6, it is characterised in that the base assembly
Including bottom plate and backing plate setting up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720276799.6U CN206559207U (en) | 2017-03-21 | 2017-03-21 | A kind of Simple stator iron core laminated mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720276799.6U CN206559207U (en) | 2017-03-21 | 2017-03-21 | A kind of Simple stator iron core laminated mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559207U true CN206559207U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720276799.6U Expired - Fee Related CN206559207U (en) | 2017-03-21 | 2017-03-21 | A kind of Simple stator iron core laminated mold |
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| CN (1) | CN206559207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849539A (en) * | 2017-03-21 | 2017-06-13 | 苏州工业职业技术学院 | A kind of Simple stator iron core laminated mold |
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2017
- 2017-03-21 CN CN201720276799.6U patent/CN206559207U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849539A (en) * | 2017-03-21 | 2017-06-13 | 苏州工业职业技术学院 | A kind of Simple stator iron core laminated mold |
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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: 20171013 Termination date: 20180321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |