CN201341072Y - Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor - Google Patents
Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor Download PDFInfo
- Publication number
- CN201341072Y CN201341072Y CNU2008202311293U CN200820231129U CN201341072Y CN 201341072 Y CN201341072 Y CN 201341072Y CN U2008202311293 U CNU2008202311293 U CN U2008202311293U CN 200820231129 U CN200820231129 U CN 200820231129U CN 201341072 Y CN201341072 Y CN 201341072Y
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- air gap
- drift
- die
- stator
- flute profile
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Abstract
The utility model provides a mold for punching slots on a stator piece, cutting air gap and separating a rotator piece for an electric motor, which is characterized in that a slotting punch and an air gap punch are fixed on an upper fixed plate and are distributed on two sides of the center line of the mold, and cutting edges corresponding to the slotting punch and the air gap punch are arranged on a lower die. The utility model realizes obtaining air gap between the stator and the rotator by means of molds and a punching process to replace a turning process, thereby eliminating the standing technical problem of rewinding at the rotator notch position. The slotting punch and the air gap punch are designed on one mold, thereby not only punching air gap between the rotator and the stator, but punching stator slot form, cutting stator inner circle and separating rotator wafers simultaneously during the punching process. The utility model combines four processes into one to be completed, thereby significantly increasing working efficiency.
Description
Technical field
The utility model is a kind of manufacturing motor mould, particularly towards the mould of motor stator punching, separation rotor punching.
Background technology
Stator and rotor are the core components of motor, and motor manufacturing enterprise utilizes mould that whole sheet-metal press working obtained stator and rotor punching usually, again stator and rotor punching are laminated back composition motor stator and rotor.Punching course needs how secondary mould, multiple operation to finish: blanking (stator cylindrical, mark, rotor shaft hatch, keyway)-and towards stator slot shape-separation rotor disk-red switch pilot trench shape, its inefficiency, punching quality instability.China's patent disclosure a kind of towards motor stator and rotor jet-bedding mould (ZL200720148553.7), its part of the upper die is provided with stator slot shape drift, stator and rotor separation cuts drift simultaneously, merge into one procedure with of the prior art towards stator slot shape and separation rotor disk two procedures, improved ram efficiency to a certain extent, but the air gap between the stator and rotor need adopt still traditional method for turning to obtain.Air gap between the stator and rotor is one of the important indicator that influences the performance of motor, and traditional method for turning can cause the position reviewing of rotor oral area, and then influences the performance of motor.
Summary of the invention
The purpose of this utility model be to provide a kind of towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, utilize mould directly to obtain air gap between the stator and rotor at punching course, and can improve ram efficiency, to solve with air gap between the turning processing stator and rotor, cause the position reviewing of rotor oral area, influence this technical problem of motor performance.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, comprise part of the upper die, part of the lower die and universal die set, the part of the upper die is made up of upper mounted plate, hard packing plate, drift, discharging spring and stripper, drift is installed on the upper mounted plate, upper mounted plate is fixed on the upper bolster of universal die set, and stripper, discharging spring are connected with upper bolster; The part of the lower die is made up of counterdie, bottom plate and adjustment backing plate, and counterdie is fixed on the bottom plate, and bottom plate and adjustment backing plate are fixed on the die shoe of universal die set; Universal die set is made up of upper bolster, rolling pilot unit and die shoe, the rolling pilot unit is installed in the rear side of upper bolster and die shoe, it is characterized in that: described drift comprises flute profile drift and air gap drift, flute profile drift and air gap drift are installed on the upper mounted plate, and flute profile drift and air gap drift are distributed in the both sides of mold center's line; Counterdie is provided with and flute profile drift and the corresponding cutting edge of air gap drift.
The cross sectional shape of described air gap drift cutting edge section is one section circular arc that thickness is arranged, and its thickness is by the decision of the air gap between the motor stator and rotor, and the circular arc outer radius is by circle R in the stator
Fixed, inside radius is by the rotor cylindrical R that removes behind the air gap
ChangeDecision, apart from b, two groove centers are apart from b=2 * R greater than two groove centers of stator punching for width B
Fixed* sin[360 °/(2 * number of stator slots)].
The utility model provides above-mentioned towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, realized utilizing mould by the air gap between the punching course acquisition stator and rotor, substituted with method for turning and obtained air gap between the stator and rotor, eliminated this technical problem of long-term existence rotor oral area position reviewing.This mould designs flute profile drift and air gap drift on a mold, it is fixed not only to have realized going out in punching course, between the rotor air gap time, go out stator slot shape, cut circle and separation rotor disk in the stator, one procedure is merged in the work of four procedures to be finished, significantly improved operating efficiency, saved the commentaries on classics preface time, artificial expense and process time, expensive peel of mould material and processing charges have been saved, reduced hold facility, can eliminate scuffing simultaneously because the workpiece that the commentaries on classics preface causes collides with, the cumulative errors of having avoided punching repeatedly to locate, stator and rotor punching quality are significantly increased, greatly shortened the motor manufacturing cycle thus, provide advantageous conditions, for the raising of the prestige of enterprise is laid a good foundation for guaranteeing finishing of contract.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 a is the structure cross-sectional schematic of the utility model air gap drift
Fig. 2 b is the left view of Fig. 2 a
Fig. 3 is the utility model die point position view
Among the figure: 1-upper mounted plate 2-alignment pin 3-stripper 4-discharging spring 5-discharging screw 6-adjusting pad 7-air gap drift 8-die shank 9-hard packing plate 10-screw 11-flute profile drift 12-screw 13-upper bolster 14-rolling pilot unit 15-die shoe 16-screw 17-screw 18-counterdie 19-bottom plate 20-pin 21-adjusts backing plate 22-alignment pin
Embodiment
As shown in Figure 1, the utility model provides dashes motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, and comprises part of the upper die, part of the lower die and universal die set, wherein:
The part of the upper die is by upper mounted plate 1, hard packing plate 9, flute profile drift 11, air gap drift 7, discharging spring 4 and stripper 3 are formed, flute profile drift 11 and air gap drift 7 are distributed in the both sides of mold center's line, adopt the low temperature expanded metal to fix, bonding, mode such as interference fit and taper fit and upper mounted plate 1 link together, and be connected with hard packing plate 9 by screw 10, hard packing plate 9 is contained in the heavy stand of upper mounted plate 1 end face, its end face flushes with the end face of upper mounted plate 1, upper mounted plate 1 usefulness screw 12 and alignment pin 2 are fixed on the upper bolster 13 of universal die set, stripper 3, discharging spring 4 is connected with the upper bolster 13 of universal die set by discharging screw 5 with adjusting pad 6; Wherein adjusting pad 6 is used for the precompressed amount that discharging spring 4 is adjusted in multiple mouthful of back of mould.
The part of the lower die is made up of counterdie 18, bottom plate 19 and adjustment backing plate 21, and counterdie 18 usefulness screws 17 and pin 20 are fastened on the bottom plate 19, with alignment pin 22 and screw 16 bottom plate 19 and adjustment backing plate 21 is fixed on the die shoe 15 of universal die set;
Universal die set is made up of upper bolster 13, rolling pilot unit 14 and die shoe 15, and upper bolster 13 is provided with the rear side that die shank 8, two secondary rolling pilot units 14 are installed in upper bolster 13 and die shoe 15.
Shown in Fig. 2 a, Fig. 2 b, the cross sectional shape of novel air gap drift 7 cutting edge sections is one section circular arc that thickness is arranged, and its thickness is by the decision of the air gap between the motor stator and rotor, and the circular arc outer radius is by circle R in the stator
Fixed, inside radius is by the rotor cylindrical R that removes behind the air gap
ChangeDecision, the width B of air gap drift 7 greater than two groove centers of stator punching apart from b.Two groove centers are apart from b=2 * R
Fixed* sin[360 °/(2 * number of stator slots)].Usually, the width B 〉=b+1 that gets air gap drift 7 gets final product, and can design the fillet of R≤0.4 this moment at the sharp corner of air gap drift 7, to prolong the life-span of air gap drift 7 cutting edges; The other end is provided with screwed hole.Air gap drift 7 and the thickening of upper mounted plate 1 section of cooperation are used chamfered transition between two sections, increase its intensity.
As shown in Figure 3, the cutting edge position of mould is in the both sides of mold center's line, and corresponding with stator and rotor punching size, air gap drift 7 and 11 designs of flute profile drift on a mold, the also position of interchangeable air gap drift 7 and flute profile drift 11.
The course of work:
When punching press, adjust lathe, mould reaches and positioning disk centre-to-centre spacing, the stator piece blank is placed on the mould, on positioning disk with axis hole, the keyway location, start lathe, single scouring machine begins to drive mould and positioning disk coordination, carry out press work, a flute profile and one section air gap are finished in a stroke punching out, and after lathe drove the patrix rise, positioning disk turned over an angle stator piece blank is navigated to next groove position under the drive of dividing spindle, continuing punching press to punching finishes, when a duty cycle stroke was gone out stator slot shape, it was fixed to go out, air gap between the rotor, and separate stator punching and rotor punching.
Claims (4)
- One kind towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, comprise part of the upper die, part of the lower die and universal die set, the part of the upper die is made up of upper mounted plate, hard packing plate, drift, discharging spring and stripper, drift is installed on the upper mounted plate, upper mounted plate is fixed on the upper bolster of universal die set, and stripper, discharging spring are connected with upper bolster; The part of the lower die is made up of counterdie, bottom plate and adjustment backing plate, and counterdie is fixed on the bottom plate, and bottom plate and adjustment backing plate are fixed on the die shoe of universal die set; Universal die set is made up of upper bolster, rolling pilot unit and die shoe, the rolling pilot unit is installed in the rear side of upper bolster and die shoe, it is characterized in that: described drift comprises flute profile drift and air gap drift, flute profile drift and air gap drift are installed on the upper mounted plate, and flute profile drift and air gap drift are distributed in the both sides of mold center's line; Counterdie is provided with and flute profile drift and the corresponding cutting edge of air gap drift.
- 2. according to claim 1 towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, it is characterized in that: the cross sectional shape of described air gap drift cutting edge section is one section circular arc that thickness is arranged, its thickness is by the decision of the air gap between the motor stator and rotor, and the circular arc outer radius is by circle R in the stator Fixed, inside radius is by the rotor cylindrical R that removes behind the air gap ChangeDecision, apart from b, two groove centers are apart from b=2 * R greater than two groove centers of stator punching for the width B of air gap drift Fixed* sin[360 °/(2 * number of stator slots)].
- 3. according to claim 2 towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, it is characterized in that: the width B 〉=b+1 of described air gap drift, design the fillet of R≤0.4 at the sharp corner of air gap drift.
- According to claim 2 or 3 described towards motor stator sheet flute profile, cut the air gap separation rotor die of holding concurrently, it is characterized in that: described air gap drift and the thickening of the upper mounted plate section of cooperation, use chamfered transition between two sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202311293U CN201341072Y (en) | 2008-12-30 | 2008-12-30 | Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202311293U CN201341072Y (en) | 2008-12-30 | 2008-12-30 | Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201341072Y true CN201341072Y (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202311293U Expired - Fee Related CN201341072Y (en) | 2008-12-30 | 2008-12-30 | Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201341072Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142743A (en) * | 2010-12-15 | 2011-08-03 | 兰州兰电电机有限公司 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
| CN102403848A (en) * | 2011-11-25 | 2012-04-04 | 郑州金阳电气有限公司 | Stator or rotor punching mould of power generator |
| CN102412672A (en) * | 2011-12-31 | 2012-04-11 | 南车株洲电机有限公司 | Sheet transposition technology for traction electric machine and mould |
| CN102581144A (en) * | 2012-02-22 | 2012-07-18 | 瑞智(青岛)精密机电有限公司 | Method for assembling stator and rotator punching mould |
| CN103264096A (en) * | 2013-06-07 | 2013-08-28 | 上海电气集团上海电机厂有限公司 | Punching process for full-circle armature sheet of exciter |
| CN103904835A (en) * | 2014-03-07 | 2014-07-02 | 江苏通达动力科技股份有限公司 | Full-double-type stator and rotor blanking die |
| CN104518621A (en) * | 2013-09-29 | 2015-04-15 | 浙江中友电器有限公司 | Method for manufacturing micro-motor stator and rotor punching sheets and mould specialized for punching of stator punching sheet |
| CN105397009A (en) * | 2015-12-15 | 2016-03-16 | 中信戴卡股份有限公司 | Quick-changing punching die for wheel |
| CN105762997A (en) * | 2016-04-19 | 2016-07-13 | 苏州工业职业技术学院 | Stacking die for expanding-tire automatic discharging type stator core |
| CN108173398A (en) * | 2017-12-27 | 2018-06-15 | 天津东方兴泰工业科技股份有限公司 | A kind of motor stator＆rotor blanking piece production technology |
| CN110445320A (en) * | 2019-07-12 | 2019-11-12 | 上海电机系统节能工程技术研究中心有限公司 | Rotor air gap punching new method suitable for personalized customization and flexible production |
| CN112828228A (en) * | 2021-03-19 | 2021-05-25 | 洛阳福瑞可汽车零部件有限公司 | Porous disposable hot stamping die device for disc parts and machining process of porous disposable hot stamping die device |
-
2008
- 2008-12-30 CN CNU2008202311293U patent/CN201341072Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142743B (en) * | 2010-12-15 | 2012-12-12 | 兰州兰电电机有限公司 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
| CN102142743A (en) * | 2010-12-15 | 2011-08-03 | 兰州兰电电机有限公司 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
| CN102403848A (en) * | 2011-11-25 | 2012-04-04 | 郑州金阳电气有限公司 | Stator or rotor punching mould of power generator |
| CN102403848B (en) * | 2011-11-25 | 2013-05-29 | 郑州金阳电气有限公司 | Stator or rotor punching mould of power generator |
| CN102412672A (en) * | 2011-12-31 | 2012-04-11 | 南车株洲电机有限公司 | Sheet transposition technology for traction electric machine and mould |
| CN102412672B (en) * | 2011-12-31 | 2014-01-22 | 南车株洲电机有限公司 | Sheet transposition technology for traction electric machine and mould |
| CN102581144A (en) * | 2012-02-22 | 2012-07-18 | 瑞智(青岛)精密机电有限公司 | Method for assembling stator and rotator punching mould |
| CN103264096B (en) * | 2013-06-07 | 2015-04-22 | 上海电气集团上海电机厂有限公司 | Punching process for full-circle armature sheet of exciter |
| CN103264096A (en) * | 2013-06-07 | 2013-08-28 | 上海电气集团上海电机厂有限公司 | Punching process for full-circle armature sheet of exciter |
| CN104518621A (en) * | 2013-09-29 | 2015-04-15 | 浙江中友电器有限公司 | Method for manufacturing micro-motor stator and rotor punching sheets and mould specialized for punching of stator punching sheet |
| CN103904835A (en) * | 2014-03-07 | 2014-07-02 | 江苏通达动力科技股份有限公司 | Full-double-type stator and rotor blanking die |
| CN103904835B (en) * | 2014-03-07 | 2016-05-04 | 江苏通达动力科技股份有限公司 | A kind of full double stator and rotor blanking die |
| CN105397009A (en) * | 2015-12-15 | 2016-03-16 | 中信戴卡股份有限公司 | Quick-changing punching die for wheel |
| CN105762997A (en) * | 2016-04-19 | 2016-07-13 | 苏州工业职业技术学院 | Stacking die for expanding-tire automatic discharging type stator core |
| CN108173398A (en) * | 2017-12-27 | 2018-06-15 | 天津东方兴泰工业科技股份有限公司 | A kind of motor stator＆rotor blanking piece production technology |
| CN110445320A (en) * | 2019-07-12 | 2019-11-12 | 上海电机系统节能工程技术研究中心有限公司 | Rotor air gap punching new method suitable for personalized customization and flexible production |
| CN112828228A (en) * | 2021-03-19 | 2021-05-25 | 洛阳福瑞可汽车零部件有限公司 | Porous disposable hot stamping die device for disc parts and machining process of porous disposable hot stamping die device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160120 Address after: 730050 No. 66 Minle Road, Qilihe District, Gansu, Lanzhou Patentee after: Lanzhou Electric Corporation Address before: 730050 No. 66 Minle Road, Qilihe District, Gansu, Lanzhou Patentee before: Lanzhou Landian Motor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |