CN110365174A - A kind of efficient rotor, stator produce stock layout technique - Google Patents
A kind of efficient rotor, stator produce stock layout technique Download PDFInfo
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- CN110365174A CN110365174A CN201910646044.4A CN201910646044A CN110365174A CN 110365174 A CN110365174 A CN 110365174A CN 201910646044 A CN201910646044 A CN 201910646044A CN 110365174 A CN110365174 A CN 110365174A
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- rotor
- hole
- stator
- formed punch
- material strip
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of efficient rotors, stator produces stock layout technique, including material strip, die block, punch retainer and stripper, it is characterized by: the top and bottom of the stripper are connect with the top movable of the bottom of punch retainer and die block respectively, the material strip is between punch retainer and stripper, the surface of the material strip successively offers riveting blade technolgy hole from left to right, DC rotor axis hole, automatic laminating forms material-dropping hole, stator riveting blade technolgy hole, rotor riveting blade technolgy hole, axis hole, rotor pack forms blanking and stator lasmination forms material-dropping hole, the inside of the material strip offers jet-bedding respectively and rushes stator slot.The present invention uses pre- sawing sheet band, and the stock layout again on material strip is able to produce out three kinds of DC rotor core stamping, asynchronous machine rotor core stamping and asynchronous machine stator core stamping sheet products, and production effect is good, and stock utilization is high, is conducive to the use of people.
Description
Technical field
The present invention relates to technical field of mold, specially a kind of efficient rotor, stator produce stock layout technique.
Background technique
Part fixed in motor is called stator in simple terms, has installed the static of pairs of DC excitation above it
Main pole；And rotating part will install armature winding above armature core, and induced electromotive force is generated after energization, serve as rotation
Turn magnetic field, the rear electromagnetic torque that generates carries out energy conversion, by the shape of stator winding with it is embedded in a manner of distinguish, stator winding according to
The shape of coil winding is different from embedded wire laying mode, can be divided into centralized and distributed two class, and motor common at present turns, is fixed
The production method of son is usually all a generation one set of die production, or in addition the waste material fallen is produced using single punch-die
One product, that there are stock utilizations is not high for this production method, and the low problem of production effect is unfavorable for the use of people.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient rotor, stator produce stock layout technique, have rotor,
Stator produces stock layout technique advantage easy to use, solves the problems, such as that rotor, stator production are inconvenient.
To achieve the above object, the invention provides the following technical scheme: a kind of efficient rotor, stator produce stock layout
Device, including material strip, die block, punch retainer and stripper, it is characterised in that: the top and bottom of the stripper
It is connect respectively with the top movable of the bottom of punch retainer and die block, the material strip is located at punch retainer and discharging
Between plate；
The surface of the material strip successively offers riveting blade technolgy hole, DC rotor axis hole, automatic laminating molding blanking from left to right
Hole, stator riveting blade technolgy hole, rotor riveting blade technolgy hole, axis hole, rotor pack molding blanking and stator lasmination form material-dropping hole, institute
The inside for stating material strip offers jet-bedding respectively and rushes stator slot；
The front of the die block is fixedly connected with charging shield flitch, be fixedly connected on the left of the die block into
Material torr flitch, the surface of the die block successively offer DC rotor riveting piece presser hole, DC rotor from left to right
Rush axis hole, punching correcting emptiness avoiding hole, DC rotor automatic laminating punching hole, motor stator riveting point punching hole, rotor jet-bedding riveting point
Punching hole, motor rotor punching axis hole and motor stator automatic laminating hole, the inside of the die block are successively opened from left to right
Slot is turned round equipped with DC rotor jet-bedding, rotor jet-bedding, rotor automatic laminating and motor stator jet-bedding, the cavity plate are fixed
The back side of plate is fixedly connected with rotor automatic laminating and turns round slot preparation motor；
The front of the punch retainer is fixedly connected sequentially has jet-bedding formed punch, riveting blade technolgy formed punch, DC rotor from left to right
Axis hole formed punch, rotor slot shape formed punch, pilot pin, automatic laminating compression bar, automatic laminating formed punch, stator riveting piece formed punch, rotor riveting piece
Formed punch, axis hole formed punch, rotor pack tally control planker, stator lasmination tally control planker, rotor automatic laminating compression bar, rotor
Automatic laminating formed punch, stator formed punch, stator automatic laminating compression bar and stator automatic laminating formed punch；
The surface of the stripper successively offers that jet-bedding formed punch enters sub-aperture, riveting piece formed punch enters sub-aperture, DC rotor from left to right
Axis hole formed punch enters sub-aperture, pilot pin enters sub-aperture, automatic laminating formed punch enters sub-aperture, stator riveting piece formed punch enters sub-aperture, the punching of rotor riveting piece
Head enters sub-aperture, axis hole formed punch enters sub-aperture, rotor automatic laminating formed punch enters sub-aperture, stator slot shape formed punch enters sub-aperture and stator from fold
Piece formed punch enters sub-aperture.
Preferably, the inside of the die block is fixedly connected with punching striker plate, and the surface of the stripper opens up
There is punching baffle emptiness avoiding hole compatible with punching striker plate.
Preferably, the surface of the material strip, die block and stripper offer respectively raw material center correcting pin hole,
Raw material center pilot pin emptiness avoiding hole and raw material center pilot pin enter sub-aperture, and the surface of the punch retainer is fixedly connected with
Raw material center pilot pin.
Preferably, the surface of the material strip, die block and stripper offers raw material correcting pin hole, former material respectively
Material pilot pin emptiness avoiding hole, raw material pilot pin and raw material pilot pin enter sub-aperture, and the surface of the punch retainer is fixedly connected
There is raw material pilot pin.
Preferably, the surface of the material strip, die block and stripper offers respectively rushes station correcting pin hole, rushes work
It position pilot pin punching and rushes station pilot pin formed punch and enters sub-aperture, the surface of the punch retainer, which is fixedly connected with, rushes station correcting
Sell formed punch.
A kind of efficient rotor, stator produce stock layout technique, comprising the following steps:
(1) material strip enters in the die cavity of die block by the charging shield flitch of charging retainer plate two sides；
(2) in material strip with location hole and material strip two sides location hole stamping straight stream rotor slot shape；
(3) in material strip with location hole and material strip two sides location hole stamping station correcting hole simultaneously；
(4) with material strip center and two sides location hole, the automatic rivet hole of punching press DC rotor, while punching press DC rotor axis hole, simultaneously
Punching press rotor jet-bedding；
(5) it with station two sides correcting hole, is gradually fed in the punching striker plate being consistent；
(6) size that product needs, blanking are automatically controlled from riveting iron core with material strip center positioning hole punching press DC rotor；
(7) with material strip center positioning hole punching press motor stator from rivet hole, while stamping rotor jet-bedding riveting point punching hole, while punching press
Motor rotor punching axis hole；
(8) size to be needed with location hole rotor from riveting iron core, automatic control product in material strip, while in rotor
Automatic laminating turns round slot and prepares the skewed slot that motor reception punching machine offer signal rotation needs rotor generation, blanking；
(9) with material strip center positioning hole punching press asynchronous machine stator slot shape；
(10) size to be needed with location hole punching press motor stator from riveting iron core, automatic control product in material strip, blanking.
Compared with prior art, beneficial effects of the present invention are as follows: the present invention uses pre- sawing sheet band, arranges again on material strip
Sample is able to produce out DC rotor core stamping, asynchronous machine rotor core stamping and three kinds of asynchronous machine stator core stamping sheet
Product, production effect is good, and stock utilization is high, is conducive to the use of people.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention punch retainer schematic diagram；
Fig. 3 is structure of the invention stripper schematic diagram；
Fig. 4 is structure of the invention die block schematic diagram；
Fig. 5 is structure of the invention material strip schematic diagram.
In figure: 1, material strip；2, jet-bedding；3, raw material center correcting pin hole；4, station correcting pin hole is rushed；5, riveting blade technolgy
Hole；6, DC rotor axis hole；7, stator slot is rushed；8, automatic laminating forms material-dropping hole；9, stator riveting blade technolgy hole；10, rotor riveting
Blade technolgy hole；11, axis hole；12, rotor pack forms blanking；13, stator lasmination forms material-dropping hole；14, punch retainer；15,
Stripper；16, die block；17, charging shield flitch；18, retainer plate is fed；19, raw material center pilot pin empty avoiding；20,
DC rotor jet-bedding；21, station pilot pin punching is rushed；22, DC rotor riveting piece presser hole；23, DC rotor rushes axis hole；
24, rotor jet-bedding；25, punching correcting emptiness avoiding hole；26, DC rotor automatic laminating punching hole；27, motor stator riveting point rushes
Press hole；28, rotor jet-bedding riveting point punching hole；29, motor rotor punching axis hole；30, rotor automatic laminating turns round slot；31, motor
Stator punching groove；32, motor stator automatic laminating hole；33, punching striker plate；34, rotor automatic laminating turns round slot and prepares motor；
35, raw material center pilot pin；36, raw material pilot pin；37, raw material pilot pin emptiness avoiding hole；38, rotor slot shape formed punch enters son
Hole；39, raw material pilot pin enters sub-aperture；40, riveting blade technolgy formed punch；41, DC rotor axis hole formed punch；42, rotor slot shape formed punch；
43, pilot pin；44, automatic laminating compression bar；45, automatic laminating formed punch；46, stator riveting piece formed punch；47, rotor riveting piece formed punch；48,
Axis hole formed punch；49, rotor pack tally control planker；50, stator lasmination tally control planker；51, rotor automatic laminating compression bar；
52, rotor automatic laminating formed punch；53, stator formed punch；54, stator automatic laminating compression bar；55, stator automatic laminating formed punch；56, former
Material center pilot pin enters sub-aperture；57, jet-bedding formed punch enters sub-aperture；58, raw material pilot pin enters sub-aperture；59, station pilot pin is rushed
Formed punch enters sub-aperture；60, riveting piece formed punch enters sub-aperture；61, DC rotor axis hole formed punch enters sub-aperture；62, pilot pin enters sub-aperture；63, it rushes
Piece baffle emptiness avoiding hole；64, automatic laminating formed punch enters sub-aperture；65, stator riveting piece formed punch enters sub-aperture；66, rotor riveting piece formed punch enters son
Hole；67, axis hole formed punch enters sub-aperture；68, rotor automatic laminating formed punch enters sub-aperture；69, stator slot shape formed punch enters sub-aperture；70, stator
Automatic laminating formed punch enters sub-aperture；71, raw material correcting pin hole；72, lamination tally control planker；73, raw material pilot pin；74,
Rotor slot shape formed punch enters sub-aperture.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of efficient rotor, stator produce patterning device, including material strip 1, die block
16, punch retainer 14 and stripper 15, the surface of material strip 1, die block 16 and stripper 15 offers respectively rushes station
Correcting pin hole 4 rushes station pilot pin punching 21 and rushes station pilot pin formed punch and enters sub-aperture 59, and the surface of punch retainer 14 is fixed
It is connected with and rushes station pilot pin formed punch 39, the surface of material strip 1, die block 16 and stripper 15 offers raw material respectively and leads
Positive pin hole 71, raw material pilot pin emptiness avoiding hole 37, raw material pilot pin 38 and raw material pilot pin enter sub-aperture 58, punch retainer
14 surface is fixedly connected with raw material pilot pin 36, and the surface of material strip 1, die block 16 and stripper 15 offers respectively
Raw material center correcting pin hole 3, raw material center pilot pin emptiness avoiding hole 19 and raw material center pilot pin enter sub-aperture 56, and punch-pin is solid
The surface of fixed board 14 is fixedly connected with raw material center pilot pin 35, the top and bottom of stripper 15 respectively with punch retainer
14 bottom is connected with the top movable of die block 16, and material strip 1 is between punch retainer 14 and stripper 15；
The surface of material strip 1 successively offers riveting blade technolgy hole 5, DC rotor axis hole 6, automatic laminating molding material-dropping hole from left to right
8, stator riveting blade technolgy hole 9, rotor riveting blade technolgy hole 10, axis hole 11, rotor pack molding blanking 12 and stator lasmination molding are fallen
Expect that hole 13, the inside of material strip 1 offer jet-bedding 2 respectively and rush stator slot 7；
The front of die block 16 is fixedly connected with charging shield flitch 17, and the left side of die block 16 is fixedly connected with charging
Retainer plate 18, the surface of die block 16 successively offer DC rotor riveting piece presser hole 22, DC rotor from left to right
Rush axis hole 23, punching correcting emptiness avoiding hole 25, DC rotor automatic laminating punching hole 26, motor stator riveting point punching hole 27, rotor
Jet-bedding riveting point punching hole 28, motor rotor punching axis hole 29 and motor stator automatic laminating hole 32, the inside of die block 16 from
It is fixed that left-to-right successively offers DC rotor jet-bedding 20, rotor jet-bedding 24, rotor automatic laminating torsion slot 30 and motor
Sub- jet-bedding 31, the back side of die block 16 are fixedly connected with rotor automatic laminating and turn round slot preparation motor 34；
The front of punch retainer 14 is fixedly connected sequentially from left to right has jet-bedding formed punch 36, riveting blade technolgy formed punch 40, direct current to turn
Sub- axis hole formed punch 41, rotor slot shape formed punch 42, pilot pin 43, automatic laminating compression bar 44, automatic laminating formed punch 45, the punching of stator riveting piece
First 46, rotor riveting piece formed punch 47, axis hole formed punch 48, rotor pack tally control planker 49, stator lasmination tally control planker 50,
Rotor automatic laminating compression bar 51, rotor automatic laminating formed punch 52, stator formed punch 53, stator automatic laminating compression bar 54 and stator are automatic
Lamination formed punch 55；
The surface of stripper 15 successively offer from left to right jet-bedding formed punch enters sub-aperture 57, riveting piece formed punch enters sub-aperture 60, direct current turn
Sub- axis hole formed punch enters sub-aperture 61, pilot pin enters sub-aperture 62, automatic laminating formed punch enters sub-aperture 64, stator riveting piece formed punch enters sub-aperture 65,
Rotor riveting piece formed punch enters sub-aperture 66, axis hole formed punch enters sub-aperture 67, rotor automatic laminating formed punch enters sub-aperture 68, stator slot shape formed punch enters
Sub-aperture 69 and stator automatic laminating formed punch enter sub-aperture 70, and the present invention uses pre- sawing sheet band 1,1 stock layout again, Neng Gousheng on material strip
Three kinds of output DC rotor core stamping, asynchronous machine rotor core stamping and asynchronous machine stator core stamping sheet products, production
Effect is good, and stock utilization is high, is conducive to the use of people.
A kind of efficient rotor, stator produce stock layout technique, comprising the following steps:
(1) material strip 1 enters in the die cavity of die block 16 by the charging shield flitch 17 of charging 18 two sides of retainer plate；
(2) in material strip 1 with 1 two sides location hole stamping straight stream rotor slot shape of location hole and material strip；
(3) in material strip 1 with location hole and 1 two sides location hole of material strip stamping station correcting hole simultaneously；
(4) with 1 center of material strip and two sides location hole, the automatic rivet hole of punching press DC rotor, while punching press DC rotor axis hole 6, together
When punching press rotor jet-bedding 24；
(5) it with station two sides correcting hole, is gradually fed in the punching striker plate 33 being consistent；
(6) size that product needs, blanking are automatically controlled from riveting iron core with 1 center positioning hole punching press DC rotor of material strip；
(7) with material strip center positioning hole punching press motor stator from rivet hole, while stamping rotor jet-bedding riveting point punching hole 28, it rushes simultaneously
Voltage motor rotor rushes axis hole 29；
(8) size to be needed with location hole rotor from riveting iron core, automatic control product in material strip 1, while turning in motor
Sub- automatic laminating turns round slot and prepares the skewed slot that the reception punching machine offer signal rotation of motor 34 needs rotor generation, blanking；
(9) with 1 center positioning hole punching press asynchronous machine stator slot shape of material strip；
(10) size to be needed with location hole punching press motor stator from riveting iron core, automatic control product in material strip 1, blanking.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of efficient rotor, stator produce patterning device, including material strip (1), die block (16), punch-pin are fixed
Plate (14) and stripper (15), it is characterised in that: the top and bottom of the stripper (15) respectively with punch retainer (14)
Bottom connected with the top movable of die block (16), the material strip (1) is located at punch retainer (14) and stripper
(15) between；
The surface of the material strip (1) successively offers riveting blade technolgy hole (5), DC rotor axis hole (6), automatic laminating from left to right
Form material-dropping hole (8), stator riveting blade technolgy hole (9), rotor riveting blade technolgy hole (10), axis hole (11), rotor pack molding blanking
(12) and stator lasmination forms material-dropping hole (13), and the inside of the material strip (1) offers jet-bedding (2) respectively and rushes stator slot (7)；
The front of the die block (16) is fixedly connected with charging shield flitch (17), the left side of the die block (16)
It is fixedly connected with charging retainer plate (18), the surface of the die block (16) successively offers DC rotor riveting from left to right
Piece presser hole (22), DC rotor rush axis hole (23), punching correcting emptiness avoiding hole (25), DC rotor automatic laminating punching hole
(26), motor stator riveting point punching hole (27), rotor jet-bedding riveting point punching hole (28), motor rotor punching axis hole (29) and motor are fixed
Sub- automatic laminating hole (32), the inside of the die block (16) successively offer from left to right DC rotor jet-bedding (20),
Rotor jet-bedding (24), rotor automatic laminating turn round slot (30) and motor stator jet-bedding (31), the die block
(16) the back side is fixedly connected with rotor automatic laminating and turns round slot preparation motor (34)；
The front of the punch retainer (14) is fixedly connected sequentially has jet-bedding formed punch (36), riveting blade technolgy formed punch from left to right
(40), DC rotor axis hole formed punch (41), lamination tally control planker (72), rotor slot shape formed punch (42), pilot pin (43), from
Fold piece compression bar (44), automatic laminating formed punch (45), stator riveting piece formed punch (46), rotor riveting piece formed punch (47), axis hole formed punch
(48), rotor pack tally control planker (49), stator lasmination tally control planker (50), rotor automatic laminating compression bar (51),
Rotor automatic laminating formed punch (52), stator formed punch (53), stator automatic laminating compression bar (54) and stator automatic laminating formed punch (55)；
The surface of the stripper (15) successively offers that jet-bedding formed punch enters sub-aperture (57), riveting piece formed punch enters sub-aperture from left to right
(60), DC rotor axis hole formed punch enters sub-aperture (61), rotor slot shape formed punch enters sub-aperture (74), pilot pin enters sub-aperture (62), automatic
Lamination formed punch enters sub-aperture (64), stator riveting piece formed punch enters sub-aperture (65), rotor riveting piece formed punch enters sub-aperture (66), axis hole formed punch enters son
Hole (67), rotor automatic laminating formed punch enter sub-aperture (68), stator slot shape formed punch enters sub-aperture (69) and stator automatic laminating formed punch enters
Sub-aperture (70).
2. a kind of efficient rotor according to claim 1, stator produce patterning device, it is characterised in that: described
The inside of die block (16) is fixedly connected with punching striker plate (33), and the surface of the stripper (15) offers and punching
The compatible punching baffle emptiness avoiding hole (63) of striker plate (33).
3. a kind of efficient rotor according to claim 1, stator produce patterning device, it is characterised in that: described
The surface of material strip (1), die block (16) and stripper (15) offers raw material center correcting pin hole (3), former material respectively
Material center pilot pin emptiness avoiding hole (19) and raw material center pilot pin enter sub-aperture (56), and the surface of the punch retainer (14) is solid
Surely it is connected with raw material center pilot pin (35).
4. a kind of efficient rotor according to claim 1, stator produce patterning device, it is characterised in that: described
The surface of material strip (1), die block (16) and stripper (15) offers raw material correcting pin hole (71) respectively, raw material are led
Positive pin emptiness avoiding hole (37), raw material pilot pin (38) and raw material pilot pin enter sub-aperture (58), the punch retainer (14)
Surface is fixedly connected with raw material pilot pin (73).
5. a kind of efficient rotor according to claim 1, stator produce patterning device, it is characterised in that: described
The surface of material strip (1), die block (16) and stripper (15), which offers rush station correcting pin hole (4) respectively, rushes station leads
It positive pin punching (21) and rushes station pilot pin formed punch and enters sub-aperture (59), the surface of the punch retainer (14) is fixedly connected with punching
Station pilot pin formed punch (39).
6. a kind of efficient rotor, stator produce stock layout technique, it is characterised in that: the following steps are included:
(1) material strip (1) enters the die cavity of die block (16) by charging shield flitch (17) of charging retainer plate (18) two sides
It is interior；
(2) in material strip (1) with location hole and material strip (1) two sides location hole stamping straight stream rotor slot shape；
(3) in material strip (1) with location hole and material strip (1) two sides location hole stamping station correcting hole simultaneously；
(4) with material strip (1) center and two sides location hole, the automatic rivet hole of punching press DC rotor, while punching press DC rotor axis hole
While punching press rotor jet-bedding (24) (6),；
(5) it with station two sides correcting hole, is gradually fed in the punching striker plate (33) being consistent；
(6) size that product needs, blanking are automatically controlled from riveting iron core with material strip (1) center positioning hole punching press DC rotor；
(7) with material strip center positioning hole punching press motor stator from rivet hole, while stamping rotor jet-bedding riveting point punching hole (28), simultaneously
Punching press motor rotor punching axis hole (29)；
(8) size to be needed with location hole rotor from riveting iron core, automatic control product in material strip (1), while in motor
Rotor automatic laminating turns round slot and prepares the skewed slot that motor (34) reception punching machine offer signal rotation needs rotor generation, blanking；
(9) with material strip (1) center positioning hole punching press asynchronous machine stator slot shape；
(10) size to be needed with location hole punching press motor stator from riveting iron core, automatic control product in material strip (1), blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646044.4A CN110365174A (en) | 2019-07-17 | 2019-07-17 | A kind of efficient rotor, stator produce stock layout technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646044.4A CN110365174A (en) | 2019-07-17 | 2019-07-17 | A kind of efficient rotor, stator produce stock layout technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110365174A true CN110365174A (en) | 2019-10-22 |
Family
ID=68220926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910646044.4A Pending CN110365174A (en) | 2019-07-17 | 2019-07-17 | A kind of efficient rotor, stator produce stock layout technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110365174A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071614A (en) * | 2020-08-17 | 2020-12-11 | 朱秀才 | Transformer iron core machining system and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1489894A1 (en) * | 1987-11-12 | 1989-06-30 | Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт электромашиностроения | Method of producing plates |
| CN105195613A (en) * | 2015-09-30 | 2015-12-30 | 四川腾邦摩托车配件有限公司 | Progressive punching die used for machining eight-level stator iron core and small skeleton iron core |
| CN108907006A (en) * | 2018-06-25 | 2018-11-30 | 广州铮高精密机械有限公司 | A kind of mould making method being formed simultaneously multiple sets of molds |
-
2019
- 2019-07-17 CN CN201910646044.4A patent/CN110365174A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1489894A1 (en) * | 1987-11-12 | 1989-06-30 | Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт электромашиностроения | Method of producing plates |
| CN105195613A (en) * | 2015-09-30 | 2015-12-30 | 四川腾邦摩托车配件有限公司 | Progressive punching die used for machining eight-level stator iron core and small skeleton iron core |
| CN108907006A (en) * | 2018-06-25 | 2018-11-30 | 广州铮高精密机械有限公司 | A kind of mould making method being formed simultaneously multiple sets of molds |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071614A (en) * | 2020-08-17 | 2020-12-11 | 朱秀才 | Transformer iron core machining system and working method thereof |
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Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |