CN104810939A - Assembled punching sheets for motor - Google Patents
Assembled punching sheets for motor Download PDFInfo
- Publication number
- CN104810939A CN104810939A CN201410044467.6A CN201410044467A CN104810939A CN 104810939 A CN104810939 A CN 104810939A CN 201410044467 A CN201410044467 A CN 201410044467A CN 104810939 A CN104810939 A CN 104810939A
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- CN
- China
- Prior art keywords
- stator piece
- stator
- mounting type
- motor
- yoke portion
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Abstract
Assembled punching sheets for a motor comprise stator sheets and rotor sheets. The stator sheets comprise stator sheet yoke portions and stator sheet toothed portions. The rotor sheets comprise rotor sheet yoke portions and rotor sheet toothed portions. The assembled punching sheets for the motor are characterized in that the stator sheets are assembled stator sheets, the stator sheet yoke portions and the stator sheet toothed parts are separated, the stator sheet yoke portions are formed by rolling punched linear I-shaped strip materials into circles, the stator sheet toothed portions are formed by assembling punching blanking of the rotor sheets, and the stator sheet yoke portions rolled in the circles and the stator sheet toothed portions are then assembled together. The assembled punching sheets for the motor can be mechanically produced, raw materials are saved, production cost is lowered, and working efficiency is improved. Meanwhile, stator wire inserting is changed into wire winding, damage to enamelled wires is reduced, and safety performances of the motor are improved.
Description
Technical field
The present invention relates to air-conditioning, washing machine manufactures field, particularly relate to a kind of motor split mounting type punching in air-conditioning, washing machine.
Background technology
In current air-conditioning, washing machine manufacturing, need the motor producing large batch of various different performance, different size, and the major part of motor is stator and rotor, particularly the competition of the sector is very large, how to reduce production cost, become the major issue of each manufacturer thinking.The manufacturer of lot of domestic and international is when producing motor, and the method generally adopting stator and rotor slice to cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing carries out stamping-out, and the stator and rotor slice then gone out by stamping-out is respectively together overlapped, by the method for riveted joint, makes it be processed into motor stator and rotor iron core.This traditional processing, its shortcoming is in the process of stamping-out, and the material of stator core slot part becomes waste material, causes the waste of material, and rotor sheet yoke portion size is large, and material fails make full use of and cause waste.
Adopt the stator core of overall stamping-out, the winding of motor can only adopt coil-inserting method, first enamelled wire coiling on winding former had the coil of definite shape and the number of turn, again enamel wire coil is taken off from winding former, enamel wire coil good for coiling is embedded in stator core slot, easily elongate in rule process and scratch enameled wire coat, motor turn-to-turn short circuit may be caused, have potential safety hazard, the unnecessary height of end winding, had both wasted material and had turn increased loss simultaneously.
Summary of the invention
Object of the present invention will provide the punching of a kind of motor stator and rotor exactly, and it can adopt mechanization production, and can save material, and reduces production cost, improves work efficiency.The object of the present invention is achieved like this, and stator piece yoke portion and teeth portion adopt split mounting type, goes out stator piece teeth portion from rotor sheet yoke portion excess stock stamping-out.The punching of a kind of motor split mounting type, comprise stator piece, rotor sheet, stator piece comprises stator piece yoke portion, stator piece teeth portion; Rotor sheet comprises rotor sheet yoke portion, rotor sheet teeth portion; It is characterized in that: the yoke portion of described stator piece and teeth portion are split mounting type, during stamping-out, stator piece yoke portion and stator piece teeth portion are that stamping-out forms respectively, stator piece yoke portion is formed through stamping-out by the billot of straight line, and stamping-out goes out the yoke portion of two stator pieces simultaneously, stator piece teeth portion stamping-out from the excess stock in rotor sheet yoke portion forms, stator piece yoke portion and stator piece teeth portion are carried out assembled more further, and stator piece yoke portion and the assembled part of teeth portion are the self-locking structures of wedge shape.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1: traditional stator piece structural representation
Fig. 2: traditional rotor sheet structural representation
Fig. 3: the single material schematic diagram of traditional stator and rotor slice
Fig. 4: the double material schematic diagram of traditional stator and rotor slice
Fig. 5: stator piece yoke portion of the present invention structural representation
Fig. 6: rotor sheet structural representation of the present invention
Fig. 7: rotor sheet discharge schematic diagram of the present invention
Fig. 8: stator piece yoke portion of the present invention, stator piece teeth portion splicing structure schematic diagram
Fig. 9: stator piece structural representation of the present invention
Figure 10: stator piece of the present invention, rotor sheet structural representation
In figure: 1, stator punching groove 2, stator piece 3, stator piece yoke portion 4, stator piece teeth portion 5, centre bore 6, louvre 7, rotor sheet 8, rotor sheet teeth portion 9, rotor sheet yoke portion 10, stator punching groove waste material 11, scrap (bridge) waste material 12, stator piece billot 13, stator piece yoke portion 14, riveting button point 15, stator piece yoke portion 16, stator piece teeth portion 17, rotor sheet 18, fillet 19, wedge shape self-locking structure 20, assembled stator sheet 21, riveting catching groove
Embodiment
As shown in Figure 1, traditional stator piece 2 comprises stator punching groove 1, stator piece yoke portion 3, stator piece teeth portion 4, and stator piece yoke portion 3 and stator piece teeth portion 4 are integral type.As shown in Figure 2, traditional rotor sheet 7 comprises centre bore 5, louvre 6, rotor sheet teeth portion 8, rotor sheet yoke portion 9, and louvre 6 plays thermolysis, also can not process louvre 6.As shown in Figure 3,4, stator piece 2, rotor sheet 7 are processed by compound blanking die, and outside blanking goes out stator piece 2, and inner blanking becomes rotor sheet 7, no matter be single material or double material, traditional stator piece marker method, rectangular billot, has scrap (bridge) waste material 11 between stator piece 2, stator punching groove 1 produces stator punching groove waste material 10, the utilance of material is low, and rotor sheet yoke portion 9 size is large, and material fails to make full use of.
Stator piece of the present invention is split mounting type, and stator piece yoke portion 13 or 15, stator piece teeth portion 16 adopt the method for stamping-out respectively to process.As shown in Figure 5, the stator piece yoke portion 13 that silicon steel sheet stator sheet billot 12 is processed into linearity on punch press is rectangular rectangular with stator piece yoke portion 15, between every bar stator piece yoke minister bar, junction punching becomes Radius be the fillet 18 of R and have opening, the angle of its opening is decided by the groove number of assembled stator sheet 20 to be processed, there is 1-2 riveting button point 14 in stator piece yoke portion 13 or 15, is convenient to stator piece yoke portion 13 or 15 riveting button to overlap together.During concrete enforcement, calculate according to required stator piece 2 diameter and groove number, assembled stator sheet 20 the angle of institute's opening between the radian of required stamping-out and assembled stator sheet 20, design mould to be processed, it is rectangular that designed mould can produce two groups of stator pieces simultaneously, owing to having fillet 18 between each assembled stator sheet 20, and fillet 18 is the hatch frame do not closed, stator piece yoke minister bar 13 or 15 just can bend to designed stator profile, superpose layer by layer and be buckled together by the riveting of riveting button point 14, finally be processed to form stator core.
During processing rotor sheet of the present invention, as shown in Fig. 6,7,8,9,10, between the mid portion and discharge of rotor sheet 17, overlap stamping-out goes out 24 wedge shapes for being assembled into stator piece teeth portion 16, stator piece teeth portion 16 has 1-2 riveting button point 14, stator piece teeth portion 16 riveting button is convenient to overlap together, the wide t2 of small end is 4.6-5.0mm, and the wide t3 of large end is 5.4-5.8mm.Rotor sheet 17 is processed with 4-8 riveting catching groove 21, be convenient to rotor sheet 17 securely riveting be buckled together.Traditional rotor yoke is too large, and magnetic is close low, does not make full use of.Stator piece teeth portion 16 comprises wedge shape self-locking structure 19, carries out self-locking coordinate with stator piece yoke portion 13 or 15, and stator piece teeth portion facewidth t1 is 4.4-5.0mm, and stator piece internal diameter d is φ 72-φ 82mm; Stator piece outer diameter D is φ 115-φ 125mm.
Stator piece of the present invention is split mounting type, and stator piece yoke portion 13 or 15 is that the direct stamping-out of billot goes out several positive and negative stator piece yoke portions 13 or 15 interlocking, overlap, and the stator piece yoke portion 13 or 15 of strip is wound into the stator piece yoke portion of annular.Stator piece teeth portion 16 forms from the excess stock in rotor sheet yoke portion, stator piece teeth portion 16 is for comprising wedge shape self-locking structure 19, a complete assembled stator sheet 20 assembled with stator piece yoke portion 13 or 15, the self-locking structure 19 of wedge shape makes assembled more firm and seamless in stator piece teeth portion 16 and stator piece yoke portion 13 or 15.
Traditional stator piece 2 is an entirety, be elder generation's good coil by regulation geomery of coiling on winding former during rule, and then embed in stator slot, stator has higher end winding, the electromagnetic performance of end winding to motor does not produce effect, wastes enamelled wire; Easily elongate and scratch paint film during rule simultaneously, motor turn-to-turn short circuit can be caused to have potential safety hazard.Stator piece teeth portion of the present invention, yoke part from, changing rule is coiling, enamelled wire by coil winding machine directly around the teeth portion of stator core, not easily elongate and scratch paint film, improve the quality of winding, the motor stator enamelled wire end of direct coiling is less, save a large amount of enamelled wires, reduce loss.
Traditional unitary stator sheet, stator winding enters in groove in stator piece inside from notch, for ensureing normally entering of stator winding, notch t4 can not be too little, be generally 2.0-2.2mm, and now because assembled stator sheet yoke portion 13 is separated with stator piece teeth portion 16, winding is directly from outside around stator piece teeth portion, and notch t4 is of a size of 1.4-1.6mm.Stator piece internal diameter d is φ 72-φ 82mm, and the area of air-gap disc is comparatively large, and air gap flux density is low, and noise is low, and stator winding enamelled wire wire diameter reduces, and the number of turn reduces, and can save enamelled wire.
When traditional rotor sheet 7 designs, at the center of rotor sheet 7, only stamping-out goes out centre bore 5, and the size in rotor sheet yoke portion 9 is very large, and material fails to make full use of.Now from the excess stock in rotor sheet 17 yoke portion, stamping-out goes out stator piece teeth portion 16, the motor electromagnetic performance do not affected.
The present invention has 24 grooves as an example with stator punching groove 1, but other groove number is also in protection scope of the present invention.
Claims (10)
1. a motor split mounting type punching, comprises stator piece, rotor sheet, and stator piece comprises stator punching groove, stator piece yoke portion, stator piece teeth portion; Rotor sheet comprises centre bore, rotor sheet yoke portion, rotor sheet teeth portion; It is characterized in that: described stator piece is split mounting type, stator piece yoke portion, stator piece teeth portion punch press process respectively, stator piece yoke portion is formed by the punching strip of linearity, and stator piece teeth portion forms from rotor sheet yoke portion excess stock stamping-out, and stator piece yoke portion and stator piece teeth portion are assembled into stator piece.
2. motor split mounting type punching as claimed in claim 1, is characterized in that: there is louvre at described rotor sheet center.
3. motor split mounting type punching as claimed in claim 1, is characterized in that: the junction between described stator piece yoke portion is provided with the fillet of opening.
4. motor split mounting type punching as claimed in claim 1, it is characterized in that: there is 1-2 riveting button point in described stator piece yoke portion, stator piece teeth portion has 1-2 riveting button point.
5. motor split mounting type punching as claimed in claim 1, is characterized in that: described rotor sheet has 4-8 riveting catching groove.
6. motor split mounting type punching as claimed in claim 1, is characterized in that: described stator piece teeth portion comprises wedge shape self-locking structure.
7. the motor split mounting type punching as described in any one of claim 1 to 6 right, is characterized in that: described stator piece internal diameter d is φ 72-φ 82mm; Stator piece outer diameter D is φ 115-φ 125mm.
8. the motor split mounting type punching as described in any one of claim 1 to 6 right, is characterized in that: the described stator piece teeth portion facewidth is t1 is 4.4-5.0mm.
9. the motor split mounting type punching as described in any one of claim 1 to 6 right, is characterized in that: it is 1.4-1.6mm that the slot opening of described stator piece is of a size of t4.
10. the motor split mounting type punching as described in any one of claim 6 right, is characterized in that: described wedge shape self-locking structure, and the wide t2 of small end is 4.6-5.0mm, and the wide t3 of large end is 5.4-5.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044467.6A CN104810939A (en) | 2014-01-28 | 2014-01-28 | Assembled punching sheets for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044467.6A CN104810939A (en) | 2014-01-28 | 2014-01-28 | Assembled punching sheets for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104810939A true CN104810939A (en) | 2015-07-29 |
Family
ID=53695532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410044467.6A Pending CN104810939A (en) | 2014-01-28 | 2014-01-28 | Assembled punching sheets for motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104810939A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768007A (en) * | 2018-08-31 | 2018-11-06 | 台州环洋机电有限公司 | A kind of high efficiency induction machine stator piece and production method |
| CN111740555A (en) * | 2020-07-27 | 2020-10-02 | 四川腾邦科技有限公司 | Manufacturing method of magneto stator core |
| WO2023190460A1 (en) * | 2022-03-29 | 2023-10-05 | 日本製鉄株式会社 | Stator core, stator core manufacturing method, and rotary electric machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08116632A (en) * | 1994-10-17 | 1996-05-07 | Honda Motor Co Ltd | Stator for rotary electric machine |
| CN201118287Y (en) * | 2007-10-10 | 2008-09-17 | 曾子斌 | Motor stator iron core |
| JP2012005338A (en) * | 2010-05-19 | 2012-01-05 | Yaskawa Electric Corp | Rotary electric machine, method for manufacturing the same, and wind turbine generator system |
| CN202183659U (en) * | 2011-07-27 | 2012-04-04 | 南阳防爆集团股份有限公司 | High-speed motor rotor stamped piece |
| CN203691080U (en) * | 2014-01-28 | 2014-07-02 | 环一军 | Assembled punching sheets for motor |
-
2014
- 2014-01-28 CN CN201410044467.6A patent/CN104810939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08116632A (en) * | 1994-10-17 | 1996-05-07 | Honda Motor Co Ltd | Stator for rotary electric machine |
| CN201118287Y (en) * | 2007-10-10 | 2008-09-17 | 曾子斌 | Motor stator iron core |
| JP2012005338A (en) * | 2010-05-19 | 2012-01-05 | Yaskawa Electric Corp | Rotary electric machine, method for manufacturing the same, and wind turbine generator system |
| CN202183659U (en) * | 2011-07-27 | 2012-04-04 | 南阳防爆集团股份有限公司 | High-speed motor rotor stamped piece |
| CN203691080U (en) * | 2014-01-28 | 2014-07-02 | 环一军 | Assembled punching sheets for motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768007A (en) * | 2018-08-31 | 2018-11-06 | 台州环洋机电有限公司 | A kind of high efficiency induction machine stator piece and production method |
| CN111740555A (en) * | 2020-07-27 | 2020-10-02 | 四川腾邦科技有限公司 | Manufacturing method of magneto stator core |
| CN111740555B (en) * | 2020-07-27 | 2023-03-24 | 四川腾邦科技有限公司 | Manufacturing method of magneto stator core |
| WO2023190460A1 (en) * | 2022-03-29 | 2023-10-05 | 日本製鉄株式会社 | Stator core, stator core manufacturing method, and rotary electric machine |
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Application publication date: 20150729 |
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| WD01 | Invention patent application deemed withdrawn after publication |