CN102142743A - Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof - Google Patents
Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof Download PDFInfo
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- CN102142743A CN102142743A CN 201010589671 CN201010589671A CN102142743A CN 102142743 A CN102142743 A CN 102142743A CN 201010589671 CN201010589671 CN 201010589671 CN 201010589671 A CN201010589671 A CN 201010589671A CN 102142743 A CN102142743 A CN 102142743A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 46
- 238000005520 cutting process Methods 0.000 claims abstract description 40
- 238000004080 punching Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 238000010992 reflux Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 17
- 238000002372 labelling Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000009991 scouring Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000037228 dieting effect Effects 0.000 description 2
- 230000008685 targeting Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229930000044 secondary metabolite Natural products 0.000 description 1
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Abstract
本发明提供了一种电机定转子片带通风孔落料冲压工艺及其关键模具，其冲压工艺步骤是：①复冲定子外圆和转子轴孔、通风孔，②单冲定子槽，③单冲转子槽兼分离定转子片。其关键模具由上模部分、下模部分和导向部分组成，上模部分包括设有定子外圆凹模、扣片槽冲头、外标记槽冲头和转子通风孔冲头、轴孔凸模、键槽冲头的上刃口；上刃口固设在上固定板上；上刃口布设的位置、尺寸与所需冲压的定子外圆、扣片槽、外标记槽和转子通风孔、轴孔、键槽的位置及尺寸对应；下模部分包括与上刃口对应的下刃口。本发明减少二个冲压步骤，降低了劳动强度，提高了冲压效率。避免定子片槽形不齐的现象和转子片波浪度的产生，冲压效果好。
The invention provides a blanking stamping process for motor stator and rotor blades with ventilation holes and its key molds. The stamping process steps are: ① re-punching the outer circle of the stator and the rotor shaft hole and ventilation holes, ② single-punching the stator slot, ③ single-punching Punch the rotor groove and separate the stator and rotor blades. Its key mold is composed of upper mold part, lower mold part and guide part. The upper mold part includes stator outer circle die, buckle groove punch, outer marking groove punch and rotor ventilation hole punch, shaft hole punch, keyway The upper cutting edge of the punch; the upper cutting edge is fixed on the upper fixing plate; the position and size of the upper cutting edge are related to the outer circle of the stator, the buckle groove, the outer marking groove and the rotor ventilation hole, shaft hole, The position and size of the keyway correspond; the lower mold part includes a lower cutting edge corresponding to the upper cutting edge. The invention reduces two stamping steps, reduces labor intensity and improves stamping efficiency. It avoids the phenomenon of uneven groove shape of the stator sheet and the generation of waviness of the rotor sheet, and the stamping effect is good.
Description
Technical field
The present invention relates to the motor manufacturing technology field, especially a kind of electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology and crucial mould thereof.
Background technology
Stator and rotor are the core components of motor, be to utilize mould that whole plate carried out punching press, obtain the rotor sheet after, laminate composition respectively.The stamping procedure of motor stator and the rotor operation that is absolutely necessary, it is many that stamping procedure takies man-hour, occupies sizable ratio in motor cost, and during production in enormous quantities, suitable process for stamping directly influences production efficiency and production cost.
The rotor sheet Sheet Metal Forming Technology of existing band ventilation hole, its punch steps is:
1. rotor blank blanking: with " one falls two " technology, the rotor blank makes a decision;
2. towards location notch:, multiple towards stator cramp groove, stator external labeling groove and rotor keyway with the rotor shaft hatch location;
3. hold concurrently towards stator slot and separate the rotor sheet: with rotor shaft hatch and rotor keyway location, the punching press stator slot separates the rotor sheet simultaneously;
4. the sub-ventilation hole of red switch: with rotor shaft hatch and rotor keyway location, the multiple sub-ventilation hole of red switch;
5. one-shot rotor: with rotor shaft hatch and rotor keyway location, one-shot rotor.
Need five processes altogether, step wherein is 1., 4. 2. step all need compound big mould with step, can only on big punch press, finish, and the die cost height, the manufacturing cycle is long, and efficient is lower; Repeatedly locate with dashing good rotor shaft hatch and rotor keyway, can produce the accumulative total of position error, influence the precision of rotor sheet and the flute profile of iron core.
The prior art stamping procedure is many, it is long to take the punch press time, different operations with different moulds even with punch press, the time of debugging mould and punch press is many, examination towards the time rotor blank waste many, production cycle is long, and the rotor blank inevitably collides with to scratch and produces, and can cause final iron core quality to descend; Intermediate demand is repeatedly carried the rotor blank, and labour intensity is big.
In the actual production, step 3. one-shot stator slot obtains stator piece double the separation, because being pallet drive rotor blank, the location of stator carries out, carrying out along with punching course, stator punching is fewer and feweri with the position that the rotor blank links to each other, and the uneven phenomenon of flute profile appears in the stator piece that is stamped out near the car that rises and falls.When rotor when remaining silent groove, use prior art, 5. stamp out rotor slot shape in step and can make rotor sheet produce big wave degree, it is fairly obvious on iron core to laminate the back, can't eliminate, and influences motor performance.
Summary of the invention
The object of the present invention is to provide a kind of stamping procedure is few, ram efficiency is high electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology and crucial mould thereof.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology may further comprise the steps:
1. multiple towards stator cylindrical and rotor shaft hatch, rotor ventilation hole: multiple towards stator cylindrical, stator cramp groove, stator external labeling groove and rotor shaft hatch, rotor keyway, rotor ventilation hole;
2. one-shot stator slot: with rotor shaft hatch and rotor keyway location, one-shot stator slot;
3. the one-shot rotor is held concurrently and separated the rotor sheet: with rotor shaft hatch and rotor keyway location, the one-shot rotor is held concurrently and is separated stator piece and rotor sheet.
In order to cooperate the enforcement of electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology of the present invention, manufactured and designed corresponding crucial mould.
A kind of crucial mould of realizing above-mentioned electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology, form by part of the upper die, part of the lower die and targeting part, the part of the upper die comprises the last cutting edge that is provided with outer cupping tool of stator and rotor shaft hatch punch, last cutting edge is installed on the upper mounted plate, it is characterized in that: the described cutting edge of going up also comprises stator cramp groove drift, stator external labeling groove drift, rotor ventilation hole drift and rotor keyway drift; The position and the size of stator cylindrical, stator cramp groove, stator external labeling groove and the rotor ventilation hole of the position that last cutting edge is laid, size and required punching press, rotor shaft hatch, rotor keyway are corresponding; The part of the lower die comprises the following cutting edge corresponding with last cutting edge.
Described stator cramp groove drift is embedded on the outer cupping tool of stator with the inserts form, and inserts built-in end the latter half is fixedlyed connected with the outer cupping tool of stator, and built-in end the first half is fixedlyed connected with upper mounted plate simultaneously.
Described stator external labeling groove drift, gather together with a stator cramp groove drift, be embedded on the outer cupping tool of stator with the inserts form, inserts built-in end the latter half is fixedlyed connected with the outer cupping tool of stator, and built-in end the first half is fixedlyed connected with upper mounted plate simultaneously.
Described rotor keyway drift is fixedlyed connected with the rotor shaft hatch punch with the inserts form.
Described rotor ventilation hole drift adopts interference fit, expanded metal is fixed or bonding mode is installed on the upper mounted plate.
Above-mentioned electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology provided by the invention and crucial mould thereof, prior art is improved, will towards the function in stator cramp groove, stator external labeling groove and rotor keyway, rotor ventilation hole with towards the function setting of stator cylindrical, rotor shaft hatch on a mold, only need three steps from blanking to obtaining the rotor sheet, reduce by two steps than prior art, reduce the carrying number of times of rotor blank, reduced labour intensity, improved ram efficiency.During batch process, effect is particularly evident.Because first one-shot stator slot, the one-shot rotor has avoided stator piece the uneven phenomenon of flute profile to occur near the car that rises and falls then, has avoided the generation of rotor sheet wave degree, and the punching press of stator piece and rotor sheet is effective.
Description of drawings
Fig. 1: the structural representation of the crucial mould of the present invention;
Fig. 2: the counterdie vertical view of the crucial mould of the present invention.
Among the figure: the outer cupping tool of 1-stator; 1 '-stator cylindrical punch cutting edge; 2-stator cramp groove drift; 2 '-stator cramp groove counterdie cutting edge; 3-stator external labeling groove drift; 3 '-stator external labeling groove counterdie cutting edge; 4-rotor ventilation hole drift; 4 '-rotor ventilation hole counterdie cutting edge; 5-rotor shaft hatch punch; 5 '-rotor shaft hatch cutting edge of die; 6-rotor keyway drift; 6 '-rotor keyway counterdie cutting edge; The 7-upper mounted plate.
Embodiment
Above-mentioned electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology provided by the invention may further comprise the steps:
1. multiple towards stator cylindrical and rotor shaft hatch, rotor ventilation hole: on punch press, punching press stator cylindrical, stator cramp groove and stator external labeling groove, stamping rotor axis hole, rotor keyway and rotor ventilation hole obtain the rotor blank simultaneously;
2. one-shot stator slot: on single scouring machine, with rotor shaft hatch and rotor keyway location, the one-shot stator slot obtains the rotor blank towards good stator slot with the rotor blank;
3. the one-shot rotor is held concurrently and separated the rotor sheet: on single scouring machine, will locate with rotor shaft hatch and rotor keyway towards the rotor blank of good stator slot, the one-shot rotor is held concurrently and is separated the rotor sheet, obtains stator piece and rotor sheet.
Above-mentioned electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology provided by the invention, five optimization orders of prior art are integrated into three steps, reduced by two steps during punching press, only 1. used a secondary compound press tool in steps, 3. 2. step finished on the single scouring machine of high speed with step, large mold is only used a pair, reduce the holding time of big punch press, reduced the quantity of big punching machine mold, reduced production cost, equipment uses and distributes rationally, is beneficial to balanced production.In addition, the minimizing of punch steps has reduced intermediate link, reduce cumulative errors, shortened the production cycle of rotor sheet, reduced the carrying number of times of rotor sheet in the course of processing, reduce labour intensity, improved ram efficiency, improved the quality of rotor sheet.
Single scouring machine is in punching press flute profile process, and location tray drives the angle that the rotor blank turns over a flute profile correspondence fast after flute profile of punching press, and the rotor blank is positioned at next flute profile stamping position, proceeds press work again.A rotor blank is in punching course, and location tray positions by rotor shaft hatch and rotor keyway, drives the rotor blank and carries out the punching press of high-speed and continuous, just stops up to intact last flute profile of punching press.2. step is one-shot stator slot on single scouring machine, and in the punching course, pallet drives rotor blank integral body and carries out rotational positioning, can guarantee the calibration uniformity of stator slot shape, and after later separation was opened the rotor sheet, the stator piece flute profile was neat.
3. step is that the one-shot rotor is separated the rotor sheet, when the one-shot rotor, along with the carrying out that separates, the coupling part of stator piece and rotor sheet is fewer and feweri, when last rotor slot shape of punching press, have only a rotor and unsegregated part to link to each other with stator piece, because location tray positions and calibration by rotor shaft hatch and rotor keyway, so the one-shot rotor slot shape is held concurrently when separating, the calibration uniformity of rotor slot shape can not be subjected to the influence that rotor sheet coupling part changes, and rotor slot shape also is neat.Overcome the stator piece that occurs in the prior art in the separation process of one-shot stator slot shape, the uneven phenomenon of stator slot shape near the car that rises and falls, occurred.
When rotor slot shape when remaining silent flute profile, because when the one-shot rotor is separated, the rotor sheet at institute red switch pilot trench shape position is not separated as yet, so can well binder, avoided the generation of wave degree on rotor sheet, guarantee the punching press effect of rotor sheet, improved the quality of stator piece and rotor sheet.
To realize above-mentioned electric machine rotor sheet band ventilation hole blanking Sheet Metal Forming Technology in order cooperating, to have manufactured and designed corresponding crucial mould.
As shown in Figure 1 and Figure 2, among the embodiment of the crucial mould of the above-mentioned electric machine rotor sheet of realization provided by the invention band ventilation hole blanking Sheet Metal Forming Technology, this mould comprises part of the upper die, part of the lower die and targeting part, wherein:
The part of the upper die comprises cutting edge, and last cutting edge is installed on the upper mounted plate 7, and last cutting edge comprises the outer cupping tool 1 of stator, stator cramp groove drift 2, stator external labeling groove drift 3, rotor ventilation hole drift 4, rotor shaft hatch punch 5 and rotor keyway drift 6.Eight stator cramp groove drifts 2 are embedded on the outer cupping tool 1 of stator with the inserts form, and inserts built-in end the latter half is fixedlyed connected with the outer cupping tool 1 of stator, and built-in end the first half is fixedlyed connected with upper mounted plate 7 simultaneously.A stator external labeling groove drift 3, gather together with a stator cramp groove drift 2, be embedded on the outer cupping tool 1 of stator with the inserts form, inserts built-in end the latter half is fixedlyed connected with the outer cupping tool 1 of stator, and built-in end the first half is fixedlyed connected with upper mounted plate 7 simultaneously.Rotor keyway drift 6 is fixedlyed connected with the inserts form with rotor shaft hatch punch 5.Rotor ventilation hole drift 4 adopts interference fit, expanded metal is fixed or bonding mode is installed on the upper mounted plate 7 and (is illustrated as the expanded metal fixed form).
The position and the size of stator cylindrical, stator cramp groove, stator external labeling groove and the rotor ventilation hole of the position that cutting edge is laid on the part of the upper die, size and required punching press, rotor shaft hatch, rotor keyway are corresponding.
The part of the lower die comprises the following cutting edge corresponding with last cutting edge, i.e. stator cylindrical punch cutting edge 1 ', stator cramp groove counterdie cutting edge 2 ', stator external labeling groove counterdie cutting edge 3 ', rotor ventilation hole counterdie cutting edge 4 ', rotor shaft hatch cutting edge of die 5 ' and rotor keyway counterdie cutting edge 6 '.
Outer cupping tool of stator and stator cylindrical punch are the piece structures, are convenient to processing, save material.
The use of the crucial mould of the above-mentioned electric machine rotor sheet of realization provided by the invention band ventilation hole blanking Sheet Metal Forming Technology is as follows:
According to required stator piece and rotor sheet, prepare plate (silicon steel sheet), select suitable forcing press, to be provided with the outer cupping tool 1 of stator, stator cramp groove drift 2, stator external labeling groove drift 3, rotor ventilation hole drift 4, the part of the upper die of rotor shaft hatch punch 5 and rotor keyway drift 6 and be provided with stator cylindrical punch cutting edge 1 ', stator cramp groove counterdie cutting edge 2 ', stator external labeling groove counterdie cutting edge 3 ', rotor ventilation hole counterdie cutting edge 4 ', the mould of the part of the lower die of rotor shaft hatch cutting edge of die 5 ' and rotor keyway counterdie cutting edge 6 ', be installed on the forcing press, forcing press and mould adjustment is suitable, plate is put in the mould correctly location, start forcing press, the lathe slide block drives patrix and moves downward, a stroke of forcing press is with regard to blank of punching press, and what obtain is to have gone out the stator cylindrical, stator cramp groove, stator external labeling groove and rotor ventilation hole, circle in the rotor shaft hatch, the rotor blank of rotor keyway.
Above-described only is preferred embodiment of the present invention.Should be understood that for those of ordinary skills, under technology enlightenment provided by the present invention, can also make other equivalent modifications and improvement, also should be considered as protection scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589671 CN102142743B (en) | 2010-12-15 | 2010-12-15 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589671 CN102142743B (en) | 2010-12-15 | 2010-12-15 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
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| Publication Number | Publication Date |
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| CN102142743A true CN102142743A (en) | 2011-08-03 |
| CN102142743B CN102142743B (en) | 2012-12-12 |
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| CN 201010589671 Expired - Fee Related CN102142743B (en) | 2010-12-15 | 2010-12-15 | Process for blanking and stamping motor stator piece and rotor piece with air hole and key die thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595195A (en) * | 2013-12-02 | 2014-02-19 | 巢波 | Method for manufacturing hinge type stator |
| CN103701270A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | 6MW doubly-fed wind generator stator and rotor lamination full-piece edge trimming and blanking technology |
| CN103701232A (en) * | 2013-12-20 | 2014-04-02 | 柳州译海网络科技有限公司 | Circular stator plate of motor and manufacturing method |
| CN104384326A (en) * | 2014-10-23 | 2015-03-04 | 江苏通达动力科技股份有限公司 | Blanking mold of motor stator punching sheet with sheet buckling groove |
| CN104578614A (en) * | 2014-12-30 | 2015-04-29 | 河南宝天机电科技有限公司 | Manufacturing method for stator and rotor punching sheets of large-sized and medium-sized high-voltage motor |
| CN104734435A (en) * | 2015-04-13 | 2015-06-24 | 广东美芝制冷设备有限公司 | Device for manufacturing compressor stator iron core |
| CN109482711A (en) * | 2018-12-29 | 2019-03-19 | 恒速控股有限公司 | The high speed stamping progressive die of motor stator&rotor blanking piece |
| CN110722052A (en) * | 2019-11-20 | 2020-01-24 | 大连电机集团有限公司 | Stator punching plate punching plate slot marking hole punching die and its use method |
| CN112024697A (en) * | 2020-08-11 | 2020-12-04 | 杭州新恒力电机制造有限公司 | Punching method for rotor wafer with boss |
| CN113245630A (en) * | 2021-05-25 | 2021-08-13 | 玉环颜久机电科技有限公司 | Micro and special motor processing equipment |
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| DE3432038A1 (en) * | 1984-08-31 | 1986-03-06 | Statomat-Globe Maschinenfabrik GmbH, 6369 Niederdorfelden | METHOD AND DEVICE FOR LINING THE GROOVES OF STATOR OR ROTOR SHEET PACKS FOR ELECTRICAL MACHINES WITH INSULATING SLEEVES |
| CN201341072Y (en) * | 2008-12-30 | 2009-11-04 | 兰州兰电电机有限公司 | Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor |
| CN101633018A (en) * | 2009-07-27 | 2010-01-27 | 永济新时速电机电器有限责任公司 | Punching processing technology of motor stator and rotor laminations |
| CN201432035Y (en) * | 2009-06-17 | 2010-03-31 | 抚顺煤矿电机制造有限责任公司 | Compound punch die for motor stamping |
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2010
- 2010-12-15 CN CN 201010589671 patent/CN102142743B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3432038A1 (en) * | 1984-08-31 | 1986-03-06 | Statomat-Globe Maschinenfabrik GmbH, 6369 Niederdorfelden | METHOD AND DEVICE FOR LINING THE GROOVES OF STATOR OR ROTOR SHEET PACKS FOR ELECTRICAL MACHINES WITH INSULATING SLEEVES |
| CN201341072Y (en) * | 2008-12-30 | 2009-11-04 | 兰州兰电电机有限公司 | Mold for punching slots on stator piece, cutting air gap and separating rotator piece for electric motor |
| CN201432035Y (en) * | 2009-06-17 | 2010-03-31 | 抚顺煤矿电机制造有限责任公司 | Compound punch die for motor stamping |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595195B (en) * | 2013-12-02 | 2015-12-30 | 巢波 | The manufacture method of hinge type stator |
| CN103595195A (en) * | 2013-12-02 | 2014-02-19 | 巢波 | Method for manufacturing hinge type stator |
| CN103701270A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | 6MW doubly-fed wind generator stator and rotor lamination full-piece edge trimming and blanking technology |
| CN103701232A (en) * | 2013-12-20 | 2014-04-02 | 柳州译海网络科技有限公司 | Circular stator plate of motor and manufacturing method |
| CN104384326A (en) * | 2014-10-23 | 2015-03-04 | 江苏通达动力科技股份有限公司 | Blanking mold of motor stator punching sheet with sheet buckling groove |
| CN104578614A (en) * | 2014-12-30 | 2015-04-29 | 河南宝天机电科技有限公司 | Manufacturing method for stator and rotor punching sheets of large-sized and medium-sized high-voltage motor |
| CN104734435A (en) * | 2015-04-13 | 2015-06-24 | 广东美芝制冷设备有限公司 | Device for manufacturing compressor stator iron core |
| CN109482711A (en) * | 2018-12-29 | 2019-03-19 | 恒速控股有限公司 | The high speed stamping progressive die of motor stator&rotor blanking piece |
| CN109482711B (en) * | 2018-12-29 | 2023-12-22 | 恒速控股有限公司 | High-speed stamping progressive die for stator and rotor punching sheet of motor |
| CN110722052A (en) * | 2019-11-20 | 2020-01-24 | 大连电机集团有限公司 | Stator punching plate punching plate slot marking hole punching die and its use method |
| CN112024697A (en) * | 2020-08-11 | 2020-12-04 | 杭州新恒力电机制造有限公司 | Punching method for rotor wafer with boss |
| CN113245630A (en) * | 2021-05-25 | 2021-08-13 | 玉环颜久机电科技有限公司 | Micro and special motor processing equipment |
| CN113245630B (en) * | 2021-05-25 | 2022-09-09 | 邵阳市宏泽鑫电子科技股份有限公司 | Micro and special motor processing equipment |
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| CN102142743B (en) | 2012-12-12 |
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