CN103904835A - Full-double-type stator and rotor blanking die - Google Patents
Full-double-type stator and rotor blanking die Download PDFInfo
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- CN103904835A CN103904835A CN201410082215.2A CN201410082215A CN103904835A CN 103904835 A CN103904835 A CN 103904835A CN 201410082215 A CN201410082215 A CN 201410082215A CN 103904835 A CN103904835 A CN 103904835A
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Abstract
The invention discloses a full-double-type stator and rotor blanking die. The die comprises an upper die and a lower die, wherein the upper die comprises a plurality of stator groove-type male die, a rotor shaft hole male die, a rotor outer diameter male die and a punching stator outer circle female die, the lower die comprises a stator inner diameter male die and a stator outer circle male die, the stator inner diameter male die is provided with a through shaft hole capable of being matched with the rotor shaft hole male die, and the circumference of the inner side of the stator outer circle male die is provided with a plurality of through groove-type holes capable of being matched with all the stator groove-type male dies. After the structure is adopted, when the upper die and the lower die are assembled, the punching stator outer circle female die is matched with the stator outer circle male die, the stator groove-type male dies are matched with the groove-type holes, the rotor shaft hole male die is matched with the shaft hole, the rotor outer diameter male die is matched with the inner side face of the stator outer circle male die, and therefore punching of the outer circle of a stator, groove-type punching of the stator, punching of the rotor shaft hole, and separation punching of a stator punching piece and a rotor punching piece can be achieved. The whole punching process can be completed with just one working procedure, and production efficiency will be improved substantially.
Description
Technical field
The present invention relates to the punching blanking die of a kind of motor stator punching and rotor, particularly a kind of full double stator and rotor blanking die.
Background technology
At present, in low-pressure high-power motor, high-voltage motor cast-aluminum rotor centrifugal aluminum casting manufacturing, due to the restriction of existing mold, rush stator or rotor disk because existing, and the mould of jet-bedding type is two pairs of moulds separately, therefore add man-hour, need at least two procedures could realize needed stator or rotor punching.At least need through the round material process that falls (stator disk is not with grooved), one-shot stator grooved or the operation etc. of compound rotor grooved respectively.The above operation of twice is produced, and will make production efficiency low, requiredly manually increases, and human cost increases, and the precision of final stator or rotor punching reduces, and fraction defective increases.
Summary of the invention
The technical problem to be solved in the present invention is that and provide, a kind of production efficiency is high, production cost is low, only need a procedure can process full double stator and the rotor blanking die of stator punching and rotor disk for above-mentioned the deficiencies in the prior art.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of full double stator and rotor blanking die, comprise the upper baffle plate and the lower baffle plate that are connected by guide pillar, the patrix being fixedly connected with upper baffle plate, the counterdie being fixedly connected with lower baffle plate and with the knockout plate of patrix base plate top floating connection, described patrix comprises stator grooved punch retainer, be arranged at several stator grooved punch of stator grooved punch retainer bottom and circular array, be arranged at the rotor shaft hatch punch at center inside stator grooved punch, be arranged at the rotor diameter punch of stator grooved punch and rotor shaft hatch punch height lifting between the two, be arranged at the stator punching knockout plate and the cupping tool outside stator that rushes that is arranged at stator punching knockout plate outside of the height lifting in stator grooved punch outside, described counterdie comprises the diameter of stator bore punch of height lifting, be arranged at the stator cylindrical punch and the counterdie holding pad that is arranged at stator cylindrical punch outside in diameter of stator bore punch outside, described diameter of stator bore punch center and lower baffle plate center are provided with the axis hole of the perforation that can match with rotor shaft hatch punch, described stator cylindrical punch inside circumference and lower baffle plate corresponding position are provided with the grooved hole of several perforations that can match with each stator grooved punch.
Described stator grooved punch and the bottom level of rushing the outer cupping tool of stator are all greater than the bottom level of rotor shaft hatch punch and rotor diameter punch.
Described patrix removably connects by upper die plate and upper baffle plate, and counterdie removably connects by counterdie backing plate and lower baffle plate.
Described rotor diameter punch is fixedly connected with knockout plate, between rotor diameter punch and stator grooved punch retainer, is provided with flying height; In described flying height, be provided with the stopping means for the upper and lower displacement of restrict rotor external diameter punch.
One side of each grooved hole adjacent stator internal diameter punch is provided with opening, and described diameter of stator bore punch periphery is provided with several notches that can match with the opening in each grooved hole.
Described each stator grooved punch is all detachable.
Described each stator grooved punch one side is all inlaid with a stator grooved punch baffle plate, and every stator grooved punch baffle plate is all removably connected with stator grooved punch retainer.
Described diameter of stator bore punch and lower baffle plate floating connection, be also provided with the baffle plate for limiting diameter of stator bore punch floating displacement in lower baffle plate.
Between described diameter of stator bore punch and lower baffle plate, be also provided with the second spring.
Described stator punching knockout plate is fixedly connected with knockout plate by several guide pin bushings, between described each guide pin bushing and knockout plate, is provided with the first spring.
The present invention adopts after said structure, and the sheet stock for the treatment of punching is placed on counterdie, and patrix and counterdie matched moulds, rush the outer cupping tool of stator and the matching of stator cylindrical punch, gets final product stamping-out and go out the cylindrical of stator punching; Stator grooved punch and the matching of grooved hole, can go out stator grooved by stamping-out; Rotor shaft hatch punch and axis hole matching, can go out rotor shaft hatch by stamping-out; The medial surface matching of diameter of stator bore punch and stator cylindrical punch, can realize the stamping-out that separates of stator punching and rotor punching.Above-mentioned whole stamping-out process, only needs a procedure to complete, and production efficiency significantly improves, and has saved manpower, and production cost reduces, and precision improves.
Accompanying drawing explanation
Fig. 1 is the two dimensional cross-section structural representation of a kind of full double stator of the present invention and rotor blanking die;
Fig. 2 is the three-dimensional cross-sectional view of a kind of full double stator of the present invention and rotor blanking die;
Fig. 3 is the overall structure schematic diagram of a kind of full double stator of the present invention and rotor blanking die.
Wherein have: 1. patrix; 2. counterdie; 3. guide pillar; 4. axis hole; 5. knockout plate; 6. grooved hole; 7. the first spring; 8. guide pin bushing; 9. go up baffle plate; 10. upper die plate; 11. stator grooved punch retainers; 12. stator grooved punch baffle plates; 13. stopping means; 14. flying heights; 15. baffle plates; 16. rush the outer cupping tool of stator; 17. stator punching knockout plates; 18. stator grooved punch; 19. rotor diameter punch; 20. rotor shaft hatch punch; 21. counterdie holding pads; 22. flexible members; 23. counterdie backing plates; 24. times baffle plates; 25. stator cylindrical punch; 26. diameter of stator bore punch; 27. second springs; 28. interior hexagonal flush end holding screws; 29. notches.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation with concrete preferred embodiments.
As shown in Figure 1, Figure 2 and Figure 3, a kind of full double stator and rotor blanking die, comprise the patrix 1 that the upper baffle plate 9 that is connected by guide pillar 3 is fixedly connected with lower baffle plate 24, with upper baffle plate 9, the counterdie 2 being fixedly connected with lower baffle plate 24 and the knockout plate 5 with upper baffle plate 9 top floating connections.As an alternative, the guiding mould bases between patrix 1 and counterdie 2 also can adopt rectangle rear side guide pole die carrier etc. according to product and raw-material difference.Patrix 1 comprises stator grooved punch retainer 11, be arranged at several stator grooved punch 18 of stator grooved punch retainer 11 bottoms and circular array, be arranged at the rotor shaft hatch punch 20 at stator grooved punch 18 centers, inner side, be arranged at the rotor diameter punch 19 of stator grooved punch 18 and rotor shaft hatch punch 20 height lifting between the two, be arranged at the stator punching knockout plate 17 and the cupping tool 16 outside stator that rushes that is arranged at stator punching knockout plate 17 outsides of the height lifting in stator grooved punch 18 outsides.Counterdie 2 comprise height lifting diameter of stator bore punch 26, be arranged at the stator cylindrical punch 25 in diameter of stator bore punch 26 outsides and be arranged at the counterdie holding pad 21 in stator cylindrical punch 25 outsides, diameter of stator bore punch 26 centers and lower baffle plate 24 centers are provided with the axis hole 4 of the perforation that can match with rotor shaft hatch punch 20, and stator cylindrical punch 25 inside circumference and lower baffle plate 24 corresponding positions are provided with the grooved hole 6 of several perforations that can match with each stator grooved punch 18.
Said stator grooved punch 18 and the bottom level of rushing the outer cupping tool 16 of stator are all greater than the bottom level of rotor shaft hatch punch 20 and rotor diameter punch 19.Can realize like this ladder punching press, reduce the stamping press of pressing equipment, can directly use existing pressing equipment, and stamping press be little, use safer.Preferably stator grooved punch 18 and the bottom level of rushing the outer cupping tool 16 of stator equate, like this, increase little in the situation that at stamping press, can carry out stator cylindrical stamping-out and stator grooved stamping-out simultaneously, have reduced stamping-out step, enhance productivity.
Above-mentioned patrix 1 removably connects by upper die plate 10 and upper baffle plate 9, and counterdie 2 removably connects by counterdie backing plate 23 and lower baffle plate 24.Like this, whole patrix 1 and upper die plate 10 will be done as a whole, and counterdie 2 is done as a whole with counterdie backing plate 23.In the time that needs are changed or keep in repair patrix 1 or counterdie 2, can directly upper die plate 10 or counterdie backing plate 23 be dismantled or fit on.Otherwise each parts of patrix 1 or counterdie 2 are directly dismantled or are installed with upper baffle plate 9 or lower baffle plate 24, will greatly waste assembling and debug time, reduce installation effectiveness, extend manufacture cycle.In addition, counterdie holding pad 21 is preferably fixedly connected with counterdie backing plate 23 by several flexible members 22, when completing after stator cylindrical stamping-out, while continuing matched moulds, can prevent from rushing the wearing and tearing of the outer cupping tool 16 of stator.
Above-mentioned rotor diameter punch 19 is fixedly connected with knockout plate 5, between rotor diameter punch 19 and stator grooved punch retainer 11, is provided with flying height 14.The interior stopping means 13 being preferably provided with for 19 upper and lower displacements of restrict rotor external diameter punch of flying height 14, this stopping means 13 is preferably several equally distributed guide vane end stops or annular stop plate etc.Rotor diameter punch 19 can be along with the fluctuating of knockout plate 5, and fluctuate in flying height 14.
One side of above-mentioned each grooved hole 6 adjacent stator internal diameter punch 26 is provided with opening, and diameter of stator bore punch 26 peripheries are provided with several notches 29 that can match with the opening in each grooved hole 6.Like this, the just also stamping-out with the stator punching of opening applicable to grooved of this blanking die.
Above-mentioned each stator grooved punch 18 is all detachable.Preferred each stator grooved punch 18 1 sides are all inlaid with a stator grooved punch baffle plate 12, and every stator grooved punch baffle plate 12 is all removably connected with stator grooved punch retainer 11.Certainly, each stator grooved punch 18 also can other dismountable modes be fixed on stator grooved punch retainer 11 bottoms.Like this, in the time that one of them stator grooved punch 18 occurs that wearing and tearing or fault need to be changed or keep in repair, can fast this stator grooved punch 18 be changed, thus easy to use, provide cost savings, reduced maintenance time.In addition, the fixed form of rotor shaft hatch punch 20 also can adopt the fixed form identical with said stator grooved punch 18.
Said stator internal diameter punch 26 and lower baffle plate 24 floating connections, in lower baffle plate 24, be also provided with the baffle plate 15 for limiting diameter of stator bore punch 26 floating displacements, baffle plate 15 can limit the rising displacement of diameter of stator bore punch 26, while guaranteeing matched moulds, diameter of stator bore punch 26 is not up, and can accurately remain on same plane with stator cylindrical punch 25.
Between said stator internal diameter punch 26 and lower baffle plate 24, be also provided with the second spring 27, this second spring 2 is fixed by the interior hexagonal flush end holding screw 28 that can regulate its elastic force.Like this, in the time that patrix 1 rises, the second spring 27 will make diameter of stator bore punch 26 automatic-ascendings to the position highly identical with stator cylindrical punch 25, while guaranteeing matched moulds, diameter of stator bore punch 26 is not descending, and can accurately remain on same plane with stator cylindrical punch 25.Certainly, the lift in height of diameter of stator bore punch 26 also can adopt polyurethane, other up-down mode such as rubber.The shearing strength that the pressure that should be noted the second spring 27 bears need be greater than notch 29 and axis hole 4 punching press time.
Said stator punching knockout plate 17 is fixedly connected with knockout plate 5 by several guide pin bushings 8, is provided with the first spring 7 between each guide pin bushing 8 and knockout plate 5.Like this, stator punching knockout plate 17 will form one with knockout plate 5, float along with fluctuating of knockout plate 5.In addition, when matched moulds, the first spring 7 can avoid knockout plate 5 to be out of shape.Now should be noted, in the time that knockout plate 5 and upper baffle plate 9 are fitted, the spring energy of the first spring 7 makes stator punching knockout plate 17 that stator punching is unloaded from rotor diameter punch 19 and stator grooved punch 18.
The preferred course of work of this blanking die is as follows, in the present embodiment, the thickness of stator punching is taked usual thickness 0.5mm, therefore stator grooved punch 18(or rush the outer cupping tool 16 of stator) with the difference in height of rotor diameter punch 19 be 1mm, stator grooved punch 18 is 2mm with the difference in height of rotor shaft hatch punch 20.In addition, describe as example with the stator punching of opening take grooved.
The first step, mould is installed, and the upper die plate 10 that patrix 1 is installed is arranged on upper baffle plate 9, and the counterdie backing plate 23 that counterdie 2 is installed is arranged on lower baffle plate 24.Mould matched moulds, working equipment on frame, is arranged on upper baffle plate 9 on the upper table face of equipment, and lower baffle plate 24 is arranged on the lower table face of punch press, adjusts the mould matching degree of depth.
Second step, stator cylindrical and stator grooved stamping-out: artificial the sheet stock for the treatment of punching or automatic releasing are placed on counterdie 2, and patrix 1 is descending under the drive of frame top shoe, and stator punching knockout plate 17 contacts and play binder effect by elder generation with the sheet stock for the treatment of punching.Rear patrix 1 continues descending, rushes the outer cupping tool 16 of stator and 25 matchings of stator cylindrical punch, stator grooved punch 18 and grooved hole 6 and notch 29 matchings simultaneously, thus realize the stamping-out of stator punching cylindrical and the stamping-out of stator punching grooved.Now, the grooved waste material of stator punching will automatically fall in waste material box from grooved hole 6.The tip position of notch 29 approximately remains with effective cutting edge of 10mm, and effectively cutting edge is arranged to have the wedge shape of constant slope below, to prevent that the grooved waste material of stator punching from causing the putty in grooved hole 6.The shearing strength that the pressure of the second spring 27 bears need be greater than notch 5 punching press time.
The 3rd step, rotor shaft hatch stamping-out: patrix 1 continues descending, after rotor diameter punch 19 contacts with counterdie 2, by jack-up (upwards float), rotor shaft hatch punch 20 and axis hole 4 matchings, thus realize the stamping-out of rotor shaft hatch.Now, rotor shaft hatch waste material will automatically fall in waste material box from axis hole 4.The pressure of the second spring 27 need be greater than the shearing strength of axis hole 4 punching presses.
The 4th step, the stamping-out that separates of stator punching and rotor punching: patrix 1 continues descending, the upwards unsteady of rotor diameter punch 19 limits limited device 13 and stop, the medial surface matching of rotor diameter punch 19 and stator cylindrical punch 25, thereby realize the stamping-out that separates of stator punching and rotor punching, after stamping-out completes, the endoporus of rotor punching will be enclosed within on rotor shaft hatch punch 20, the inner hole sleeve of stator punching is contained on rotor diameter punch 19, and the grooved of stator punching is sleeved on stator grooved punch 18.
The 5th step, automatic discharging: patrix 1 is up, the charging ram in frame pushes away outer the stator on the counterdie in second step 2 circle vane waste material from counterdie 2.Patrix 1 continues up, in the time that mould approaches equipment top dead-centre, punching apparatus knockout rod contacts with knockout plate 5, patrix 1 continues up, and power is passed to knockout plate 5 by Press Machine Stroke of Knock-Out, and stator punching knockout plate 17 will float along with knockout plate 5, stator punching with grooved is unloaded from rotor diameter punch 19 and stator grooved punch 18, rotor diameter punch 19 floats with knockout plate 5 simultaneously, and the rotor punching with axis hole is unloaded from rotor shaft hatch punch 20, and charging ram is pushed away.
Follow-uply will repeat the action of second step to the five steps.
Above-mentioned whole stamping-out process, only needs a procedure to complete, and production efficiency significantly improves, and has saved manpower, and production cost reduces, and precision improves.
Claims (10)
1. a full double stator and rotor blanking die, comprise the upper baffle plate (9) and the lower baffle plate (24) that are connected by guide pillar (3), the patrix (1) being fixedly connected with upper baffle plate (9), the counterdie (2) being fixedly connected with lower baffle plate (24) and with the knockout plate (5) of upper baffle plate (9) top floating connection, it is characterized in that: described patrix (1) comprises stator grooved punch retainer (11), be arranged at several stator grooved punch (18) of stator grooved punch retainer (11) bottom and circular array, be arranged at the rotor shaft hatch punch (20) at center, stator grooved punch (18) inner side, be arranged at the rotor diameter punch (19) of stator grooved punch (18) and rotor shaft hatch punch (20) height lifting between the two, be arranged at stator grooved punch (18) outside height lifting stator punching knockout plate (17) and be arranged at stator punching knockout plate (17) outside rush stator cupping tool (16) outward, described counterdie (2) comprises the diameter of stator bore punch (26) of height lifting, be arranged at the stator cylindrical punch (25) in diameter of stator bore punch (26) outside and be arranged at the counterdie holding pad (21) outside stator cylindrical punch (25), described diameter of stator bore punch (26) center and lower baffle plate (24) center are provided with the axis hole (4) of the perforation that can match with rotor shaft hatch punch (20), described stator cylindrical punch (25) inside circumference and lower baffle plate (24) corresponding position are provided with the grooved hole (6) of several perforations that can match with each stator grooved punch (18).
2. full double stator according to claim 1 and rotor blanking die, is characterized in that: described stator grooved punch (18) and the bottom level of rushing the outer cupping tool (16) of stator are all greater than the bottom level of rotor shaft hatch punch (20) and rotor diameter punch (19).
3. full double stator according to claim 1 and rotor blanking die, it is characterized in that: described patrix (1) removably connects by upper die plate (10) and upper baffle plate (9), counterdie (2) removably connects by counterdie backing plate (23) and lower baffle plate (24).
4. full double stator according to claim 1 and rotor blanking die, it is characterized in that: described rotor diameter punch (19) is fixedly connected with knockout plate (5), between rotor diameter punch (19) and stator grooved punch retainer (11), be provided with flying height (14), in this flying height (14), be provided with the stopping means (13) for restrict rotor external diameter punch (19) upper and lower displacement.
5. full double stator according to claim 1 and rotor blanking die, it is characterized in that: a side of described each grooved hole (6) adjacent stator internal diameter punch (26) is provided with opening, described diameter of stator bore punch (26) periphery is provided with several notches (29) that can match with the opening in each grooved hole (6).
6. full double stator according to claim 1 and rotor blanking die, is characterized in that: described each stator grooved punch (18) is all detachable.
7. full double stator according to claim 6 and rotor blanking die, it is characterized in that: described each stator grooved punch (18) one sides are all inlaid with a stator grooved punch baffle plate (12), and every stator grooved punch baffle plate (12) is all removably connected with stator grooved punch retainer (11).
8. full double stator according to claim 1 and rotor blanking die, it is characterized in that: described diameter of stator bore punch (26) and lower baffle plate (24) floating connection, be also provided with the baffle plate (15) for limiting diameter of stator bore punch (26) floating displacement in lower baffle plate (24).
9. according to the full double stator described in claim 1 or 8 and rotor blanking die, it is characterized in that: between described diameter of stator bore punch (26) and lower baffle plate (24), be also provided with the second spring (27).
10. full double stator according to claim 1 and rotor blanking die, it is characterized in that: described stator punching knockout plate (17) is fixedly connected with knockout plate (5) by several guide pin bushings (8), between described each guide pin bushing (8) and knockout plate (5), be provided with the first spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082215.2A CN103904835B (en) | 2014-03-07 | 2014-03-07 | A kind of full double stator and rotor blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082215.2A CN103904835B (en) | 2014-03-07 | 2014-03-07 | A kind of full double stator and rotor blanking die |
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| Publication Number | Publication Date |
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| CN103904835A true CN103904835A (en) | 2014-07-02 |
| CN103904835B CN103904835B (en) | 2016-05-04 |
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| CN201410082215.2A Active CN103904835B (en) | 2014-03-07 | 2014-03-07 | A kind of full double stator and rotor blanking die |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104985042A (en) * | 2015-06-02 | 2015-10-21 | 安徽飞翔电器有限公司 | Stator and rotor machining machine tool |
| CN109013873A (en) * | 2018-09-14 | 2018-12-18 | 临安泰华机械设备有限公司 | A kind of blanking progressive die tool |
| CN109351842A (en) * | 2018-11-21 | 2019-02-19 | 陕西渭河工模具有限公司 | Motor stator compound band grooving shape waste material mold and processing method entirely |
| 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 |
| CN110788213A (en) * | 2019-11-06 | 2020-02-14 | 黄三妹 | Manufacturing and processing die for motor rotor punching sheet |
| CN111049334A (en) * | 2015-08-17 | 2020-04-21 | 株式会社三井高科技 | Apparatus for manufacturing laminated core |
| CN115178639A (en) * | 2022-04-07 | 2022-10-14 | 安徽飞翔电器有限公司 | Rigid stripping mechanism for stator and rotor punching sheets |
| CN117299937A (en) * | 2023-11-29 | 2023-12-29 | 佛山登奇机电技术有限公司 | Stamping device for stator and rotor punching sheet of motor |
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| US7036206B2 (en) * | 2002-08-09 | 2006-05-02 | Delphi Technologies, Inc. | Process for preparing an over molded motor stator structure |
| CN201052536Y (en) * | 2007-04-30 | 2008-04-30 | 徐荣祖 | Motor stator and rotor necking mold |
| 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 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104985042A (en) * | 2015-06-02 | 2015-10-21 | 安徽飞翔电器有限公司 | Stator and rotor machining machine tool |
| CN111049334A (en) * | 2015-08-17 | 2020-04-21 | 株式会社三井高科技 | Apparatus for manufacturing laminated core |
| CN111049334B (en) * | 2015-08-17 | 2023-11-21 | 株式会社三井高科技 | Apparatus for manufacturing laminated core |
| CN109013873A (en) * | 2018-09-14 | 2018-12-18 | 临安泰华机械设备有限公司 | A kind of blanking progressive die tool |
| CN109351842A (en) * | 2018-11-21 | 2019-02-19 | 陕西渭河工模具有限公司 | Motor stator compound band grooving shape waste material mold and processing method entirely |
| 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 |
| CN110788213A (en) * | 2019-11-06 | 2020-02-14 | 黄三妹 | Manufacturing and processing die for motor rotor punching sheet |
| CN110788213B (en) * | 2019-11-06 | 2021-06-08 | 温岭市开天机电有限公司 | Manufacturing and processing die for motor rotor punching sheet |
| CN115178639A (en) * | 2022-04-07 | 2022-10-14 | 安徽飞翔电器有限公司 | Rigid stripping mechanism for stator and rotor punching sheets |
| CN117299937A (en) * | 2023-11-29 | 2023-12-29 | 佛山登奇机电技术有限公司 | Stamping device for stator and rotor punching sheet of motor |
| CN117299937B (en) * | 2023-11-29 | 2024-03-26 | 佛山登奇机电技术有限公司 | Stamping device for stator and rotor punching sheet of motor |
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