CN101719705A - Directional punching shear and processing method for iron core pieces of stator and rotor of rotary motor - Google Patents
Directional punching shear and processing method for iron core pieces of stator and rotor of rotary motor Download PDFInfo
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- CN101719705A CN101719705A CN200910311649A CN200910311649A CN101719705A CN 101719705 A CN101719705 A CN 101719705A CN 200910311649 A CN200910311649 A CN 200910311649A CN 200910311649 A CN200910311649 A CN 200910311649A CN 101719705 A CN101719705 A CN 101719705A
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- 238000004080 punching Methods 0.000 title claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000003672 processing method Methods 0.000 title claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000003475 lamination Methods 0.000 claims description 79
- 238000000465 moulding Methods 0.000 claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a directional punching shear and processing method for the iron core pieces of a stator and a rotor of a rotary motor, which is characterized in that the annular blank pieces of the iron cores of the stator, the middle part of which is provided with an installation through hole of the rotor are firstly punched and are provided with a positioning mark of a rotating orientation, the positioning mark of the rotating orientation is used for forming the annular blank pieces and a punch mould according to a preset rotating orientation during forming, and a mark which is used for correctly overlapping the iron core pieces of the same stator is manufactured on the formed iron core pieces of the stator after the iron core pieces of the stator are formed.The invention aims to provide the directional punching shear and processing method for the iron core pieces of the stator and the rotor of the rotating motor. The method effectively solves the problem of size deviation of the iron core pieces caused by different cutting edges of the mould and the problem of dislocation of the inner edges and the outer edges of the iron cores caused by the size deviation of the iron core pieces caused by different orientations of the rolling traces of materials and improves the appearance of the iron cores greatly.
Description
Technical field
The present invention relates to the directional punching shear processing method of a kind of rotary electric machine, rotor lamination, be applicable to the processing industry of rotary electric machine in the machine field, rotor lamination.
Background technology
At present, the forming method of lamination has multiple, and wherein a kind of is the stator core blank sheet that first moulding is used for the moulding stator lamination, and stator core blank sheet becomes annular, and its inner and outer diameter is identical with lamination.Then, again with circular hole localized resection slotted eye in the stator core blank sheet be used for excess stock such as superimposed location, fastening structure between lamination.This mode of only locating with circular surfaces, equal only to limit the center of circle not limit circumference orientation (non-directional of promptly feeling relieved), its result: because of the different roll mark directions of mould foozle, punching shear, die deformation, die clearance inequality, wearing and tearing, particularly material (see also published in 2002 the Li Shuoben chief editor " the 98th page of Fig. 2 .2.18 of forging and pressing handbook it " punching press fascicle " is about the influence of rolling direction to dimensional discrepancy) etc. cause that the dimensional discrepancy of blank sheet different azimuth differs, cause iron core lateral surface or medial surface the lamination dislocation to occur, and outward appearance is ugly.Though the simple machining accuracy height of described scheme mould, single lamination inside and outside circle concentricity height, punching shear is little, is convenient to self-feeding, because of its deficiency, makes them can not broader applications.
Summary of the invention
In order to overcome the deficiency of above-mentioned technology, the objective of the invention is to provide the directional punching shear processing method of a kind of rotary electric machine, rotor lamination, this method effectively solves that the lamination dimensional discrepancy that causes because of the different cutting edges of mould differs and the lamination dimensional discrepancy that causes because of the different azimuth of material roll mark differs causes the inside and outside edge dislocation of iron core, greatly improves the outward appearance of iron core.
The present invention realizes like this, the directional punching shear processing method of a kind of rotary electric machine, rotor lamination, it is characterized in that: first punching out middle part has the stator core annular blank sheet that rotor is installed through hole, when the telltale mark that described annular blank sheet is provided with gyrobearing is used for moulding between annular blank sheet and the punching machine mold by the gyrobearing moulding of determining, behind the moulding stator lamination, be shaped on the mark that the stator lamination that is used for same stator correctly splices on the stator lamination of described moulding.
Compared with prior art, remarkable advantage of the present invention:
The one, first moulding stator core annular blank sheet, and then moulding stator lamination are convenient to automatic punching, save material, reduce cost, and enhance productivity;
The 2nd, stator core annular blank sheet is provided with the telltale mark of gyrobearing, and the stator lamination of moulding is shaped on the mark that the stator lamination that is used for same stator correctly splices.In the same stator by consistent each stator lamination that splices of the mark that splices, during the moulding lamination all to press the gyrobearing moulding of determining between the telltale mark of blank sheet gyrobearing and the punching machine mold, so that in the described same stator by the die-cut cutting edge moulding in consistent each any same orientation of lamination of splicing of the mark that splices by the same orientation of corresponding mould, can effectively solve the lamination dimensional discrepancy that causes because of the different cutting edges of mould like this and differ and cause the inside and outside edge dislocation and the ugly problem of outward appearance of iron core.In the same stator by consistent each stator lamination that splices of the mark that splices, the blank sheet with between the orientation of material roll mark and the punching machine mold all by the gyrobearing moulding of determining also be the blank sheet with between the orientation of the telltale mark of blank sheet gyrobearing and material roll mark all by definite gyrobearing moulding, again all to press the described lamination of determining of gyrobearing moulding between the telltale mark of blank sheet gyrobearing and the punching machine mold, so that in the described same stator by the installation position unanimity of the material roll mark of consistent each lamination that splices of the mark that splices, can effectively solve like this lamination dimensional discrepancy that the different azimuth because of the material roll mark causes differ cause iron core in, the problem of outer rim dislocation.
The 3rd, keep the corresponding matching location with three different azimuth between centralized positioning part outside and annular blank sheet endoporus during the moulding lamination, the blank sheet endoporus roundness deviation that can effectively solve the blank sheet endoporus roundness deviation that causes because of the different cutting edges of mould like this and cause because of the different azimuth of material roll mark causes the low problem of centralized positioning precision, greatly improves the formed precision of lamination.
The 4th, blank sheet outer rim can be made as hexagon or polygon and staggered stock layout, improves stock utilization greatly.
Description of drawings
Fig. 1 is the stator lamination front view
Fig. 2 is stator core blank sheet specific embodiment 1 diagram
Fig. 3 is any two stator lamination roll mark views 1
Fig. 4 is any two stator lamination roll mark views 2
Fig. 5 assembles the cross sectional view of splicing for stator lamination
Fig. 6 is stator lamination processing vertical view
Fig. 7 is stator lamination processing cross section front view
Fig. 8 is a stator lamination blank impression front view
Fig. 9 is a stator lamination blank impression partial sectional view
Figure 10 is stator core blank sheet specific embodiment 2 diagrams
Figure 11 is stator core blank sheet specific embodiment 2 machine-shaping figure
Wherein: correctly the splice circumferential align member 11-of the counterdie 10-Internal hole positioning nail 12-stator core blank sheet feeding auxiliary positioning nail 13-impression 14-air gap 15-of the thinner end 9-of mark 6-roll mark 7-stator lamination thicker end 8-stator lamination punching out stator lamination of the telltale mark 4-stator lamination 5-of 1-stator core annular blank sheet central through hole 2-stator core annular blank sheet 3-gyrobearing protrudes outer rim 1 outermost and protrudes outer rim 2 outermost to the distance at inner circle center to the inner circle center apart from 16-
Embodiment
Below be specific embodiment of the present invention:
With reference to Fig. 1~Fig. 9, a kind of rotary electric machine, the directional punching shear processing method of rotor lamination, it is characterized in that: first punching out middle part has the stator core annular blank sheet 2 that rotor is installed through hole 1, when the telltale mark 3 that described annular blank sheet 2 is provided with gyrobearing is used for moulding between annular blank sheet 2 and the punching machine mold by the gyrobearing moulding of determining, described telltale mark 3 is used to limit the gyrobearing between annular blank sheet 2 and the punching machine mold when 2 moulding of blank sheet, when stator lamination 4 moulding, be used for simultaneously limiting between the punching machine mold of annular blank sheet 2 and punching out stator lamination the gyrobearing of annular blank sheet 2, be shaped on the mark 5 that the stator lamination that is used for same stator correctly splices on the stator lamination 4 of described moulding, make same stator by consistent each lamination 4 that splices of the mark that splices all by the gyrobearing moulding of determining.
The peripheral part of above-mentioned annular blank sheet is provided with at least two the spin orientation protuberance that is used for cooperating with mould the location, telltale mark 3 (see figure 2)s as gyrobearing, the unnecessary spin orientation protuberance of excision in the step of stator lamination 4 moulding punching out operations is shaped on the mark 5 (seeing Fig. 3 and Fig. 4) that the stator lamination that is used for same stator correctly splices on iron core chip 4.
In above-mentioned punching out step, telltale mark 3 also is used for determining the gyrobearing of material roll mark 6 and blank sheet 2, makes same stator core be not more than 20 degree (see figure 3)s by the angle of the rhumb line of the roll mark 6 of any two laminations in the consistent lamination that splices of the mark that splices.
In above-mentioned punching out step, also be used for determining the gyrobearing of material roll mark 6 and blank sheet 2 making same stator core be not more than 45 degree (see figure 4)s for skewed slot stator core telltale mark 3 by the angle of the rhumb line of the roll mark 6 of any two laminations in the consistent lamination that splices of the mark that splices.
When assembling said stator iron core chip 4, staggered the splicing of iron core chip of deviation will appear because of the both sides thickness that the rolling mismachining tolerance produces, be about to the thicker end 8 superimposed (see figure 5)s of thin end 7 with the upper and lower adjacent lamination of a last iron core chip.
Above-mentioned annular blank sheet 2 adopts mould punching in stator lamination moulding punching out operation; Be provided with the circumferential align member 10 (seeing Fig. 6 and Fig. 7) of centralized positioning part and annular blank sheet rotary stopper between the counterdie 9 of described mould and the annular blank sheet 2.
Above-mentioned centralized positioning part is made of the endoporus locating pin 11 of being located at counterdie, the peripheral part of described endoporus locating pin 11 match with the endoporus 1 of stator core blank sheet (seeing Fig. 6 and Fig. 7).
The above-mentioned perimembranous of the counterdie upper surface of road punching out stator lamination 4 down is provided with assist location nail 12 (the seeing Fig. 6 and Fig. 7) of auxiliary backgauge when being beneficial to self-feeding.
Above-mentioned when punching out blank sheet, the cooling of interpolation, lubricating fluid are often arranged on the sheet, therefore some somes impressions of scrap portion punching out 13 (see figure 8)s on the blank sheet so that form air gap 14 (see figure 9)s, have fluid that sheet is difficult to separately because of residual between adjacent blank sheet in the time of can preventing self-feeding.
The protuberance (see figure 2) of above-mentioned telltale mark 3 as gyrobearing, be distributed in scrap portion when being distributed in the cramp groove place of stator lamination outer rim or welding groove place and stock layout, so that two flanges to be set is example, one of them outermost to the distance 15 at interior round center greater than distance 16 (see figure 2)s of another outermost to interior round center, this is convenient to judge automatically orientation and arrangement, more help simultaneously self-feeding, its profile of while is made as asymmetric, is convenient to judge automatically the burr direction.
Another specific embodiment of the present invention is as follows:
With reference to Figure 10 and Figure 11, blank sheet 2 outer rims are made as hexagon, telltale mark 3 is used for determining the gyrobearing of material roll mark 6 and blank sheet 2, determine the gyrobearing of annular blank sheet 2 when being used for stator lamination 4 moulding simultaneously between annular blank sheet 2 and the punching machine mold, after lamination 4 moulding as shown in figure 11.
Claims (8)
1. the directional punching shear processing method of a rotary electric machine, rotor lamination, it is characterized in that: first punching out middle part has the stator core annular blank sheet that rotor is installed through hole, when the telltale mark that described annular blank sheet is provided with gyrobearing is used for moulding between annular blank sheet and the punching machine mold by the gyrobearing moulding of determining, behind the moulding stator lamination, be shaped on the mark that the stator lamination that is used for same stator correctly splices on the stator lamination of described moulding.
2. the directional punching shear processing method of rotary electric machine according to claim 1, rotor lamination, it is characterized in that: the peripheral part of described annular blank sheet is provided with at least two the spin orientation protuberance that is used for cooperating with mould the location, the unnecessary spin orientation protuberance of excision in the step of stator lamination moulding punching out operation is shaped on the mark that the stator lamination that is used for same stator correctly splices on iron core chip.
3. the directional punching shear processing method of rotary electric machine according to claim 1, rotor lamination, it is characterized in that: in above-mentioned punching out step, make same stator core be not more than 20 degree by the angle of the rhumb line of the roll mark of any two laminations in the consistent lamination that splices of the mark that splices.
4. the directional punching shear processing method of rotary electric machine according to claim 1, rotor lamination, it is characterized in that: in above-mentioned punching out step, for the skewed slot stator core, make same stator core be not more than 45 degree by the angle of the rhumb line of the roll mark of any two laminations in the consistent lamination that splices of the mark that splices.
5. the directional punching shear processing method of rotary electric machine according to claim 1, rotor lamination, it is characterized in that: when assembling said stator iron core chip, staggered the splicing of iron core chip that will occur deviation because of the both sides thickness that the rolling mismachining tolerance produces, the thin end that is about to a last chip unshakable in one's determination is superimposed with the thicker end of upper and lower adjacent lamination.
6. the directional punching shear processing method of rotary electric machine according to claim 1, rotor lamination is characterized in that: described annular blank sheet adopts mould punching in stator lamination moulding punching out operation; Be provided with the circumferential align member of centralized positioning part and annular blank sheet rotary stopper between the counterdie of described mould and the annular blank sheet.
7. the directional punching shear processing method of rotary electric machine according to claim 6, rotor lamination, it is characterized in that: described centralized positioning part is made of the endoporus locating pin of being located at counterdie, and the peripheral part of described endoporus locating pin matches with the endoporus of stator core blank sheet.
8. according to the directional punching shear processing method of claim 6 and 7 described rotary electric machines, rotor lamination, it is characterized in that: the described perimembranous of the counterdie upper surface of road punching out stator lamination down is provided with the assist location nail of auxiliary backgauge when being beneficial to self-feeding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009103116494A CN101719705B (en) | 2009-12-16 | 2009-12-16 | Directional punching shear and processing method for iron core pieces of stator and rotor of rotary motor |
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CN2009103116494A CN101719705B (en) | 2009-12-16 | 2009-12-16 | Directional punching shear and processing method for iron core pieces of stator and rotor of rotary motor |
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CN101719705A true CN101719705A (en) | 2010-06-02 |
CN101719705B CN101719705B (en) | 2012-06-20 |
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CN2009103116494A Expired - Fee Related CN101719705B (en) | 2009-12-16 | 2009-12-16 | Directional punching shear and processing method for iron core pieces of stator and rotor of rotary motor |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106712352A (en) * | 2017-02-21 | 2017-05-24 | 包头天工电机有限公司 | Three-phase permanent magnet synchronous motor, permanent magnet rotor, and production technology for permanent magnet rotor |
CN106816281A (en) * | 2017-03-31 | 2017-06-09 | 深圳市德西机电有限责任公司 | Laminated core and its manufacture method and rotary transformer |
CN106849515A (en) * | 2017-02-21 | 2017-06-13 | 包头天工电机有限公司 | Phase shielded permagnetic synchronous motor |
CN111033981A (en) * | 2017-09-25 | 2020-04-17 | 日本电产株式会社 | Method for manufacturing steel plate laminate and formed steel plate laminate |
CN116633046A (en) * | 2023-07-20 | 2023-08-22 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
-
2009
- 2009-12-16 CN CN2009103116494A patent/CN101719705B/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106712352A (en) * | 2017-02-21 | 2017-05-24 | 包头天工电机有限公司 | Three-phase permanent magnet synchronous motor, permanent magnet rotor, and production technology for permanent magnet rotor |
CN106849515A (en) * | 2017-02-21 | 2017-06-13 | 包头天工电机有限公司 | Phase shielded permagnetic synchronous motor |
CN106816281A (en) * | 2017-03-31 | 2017-06-09 | 深圳市德西机电有限责任公司 | Laminated core and its manufacture method and rotary transformer |
CN111033981A (en) * | 2017-09-25 | 2020-04-17 | 日本电产株式会社 | Method for manufacturing steel plate laminate and formed steel plate laminate |
CN111033981B (en) * | 2017-09-25 | 2022-10-28 | 日本电产株式会社 | Method for producing steel sheet laminate and molded steel sheet laminate |
CN116633046A (en) * | 2023-07-20 | 2023-08-22 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
CN116633046B (en) * | 2023-07-20 | 2023-10-03 | 西门子(天津)传动设备有限责任公司 | Stator and motor |
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CN101719705B (en) | 2012-06-20 |
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