CN103475170B - Manufacturing method of iron core, iron core structure and motor - Google Patents
Manufacturing method of iron core, iron core structure and motor Download PDFInfo
- Publication number
- CN103475170B CN103475170B CN201310404336.XA CN201310404336A CN103475170B CN 103475170 B CN103475170 B CN 103475170B CN 201310404336 A CN201310404336 A CN 201310404336A CN 103475170 B CN103475170 B CN 103475170B
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- Prior art keywords
- arc
- kink
- connecting portion
- iron core
- adjacent
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- Expired - Fee Related
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Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a manufacturing method of an iron core, an iron core structure and a motor. The manufacturing method comprises the following steps: raw materials are machined in a stamping mode to form multiple pieces of arc-shaped stamped steel, wherein each piece of arc-shaped stamped steel is provided with an arc-shaped connecting part, first bent parts and second bent parts; the end portions on the two sides of the arc-shaped connecting part protrude in the radial direction of the arc-shaped connecting part to form the first bent parts; the end portions corresponding to the closed ends of the two first bent parts are bent oppositely to form the second bent parts; the arc-shaped connecting part, the first bent parts and the second bent parts form a cavity; at least two pieces of arc-shaped stamped steel are wrapped in sequence, wherein the inner side wall of the cavity of the rear arc-shaped stamped steel wraps the outer side wall of the cavity of the front arc-shaped stamped steel to form an arc-shaped splicing block; at least two arc-shaped splicing blocks are spliced in the circumferential direction to form the iron core, wherein the arc-shaped connecting parts which are adjacent in the circumferential direction are spliced to form an annular magnet yoke of the iron core, and the first bent parts which are adjacent in the circumferential direction are spliced and the second bent parts which are adjacent in the circumferential direction are also spliced to form teeth of the iron core. The manufacturing method of the iron core, the iron core structure and the motor reduce generation of waste materials and lower production cost.
Description
Technical field
The present invention relates to machine field, particularly relate to a kind of manufacture method of iron core, the core structure of motor and motor.
Background technology
Now in the art, when manufacturing the iron core of motor, usually first stamp out whole monolithic, single chip architecture as shown in Figure 1, has the teeth portion 12 of yoke portion 11 and multiple equidistant distribution.Then by the monolithic of some stacked formation core structure in vertical direction, specifically as shown in Figure 2.
Aforesaid way is because need the whole monolithic of punching press, and therefore, the larger complete sheet material of space required is as raw material, and can produce a lot of waste materials, production cost is higher.
Summary of the invention
The present invention aims to provide a kind of manufacture method of iron core, the core structure of motor and motor, to reduce the generation of waste material, reduces production cost.
Embodiments provide a kind of iron core manufacture method, described method comprises:
Raw material are formed the arc punching with arc connecting portion, the first kink and the second kink through punch process; Wherein, described first kink is formed along the radial direction of described arc connecting portion is outstanding by the both side ends of described arc connecting portion; Described first kink has the blind end connected with described arc connecting portion; Described second kink is bent to form relatively by the end that the blind end of two described first kinks of described arc connecting portion is corresponding; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
By at least two described arc punchings coated formation camber splicing block successively; Wherein, arc punching described in adjacent two, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of the described cavity of last described arc punching, the width of arc punching described in one after described and be greater than the width and highly of described last described arc punching highly respectively;
At least two described arc splicing blocks are spliced to form iron core, the arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, first kink of the outermost arc punching of described adjacent arc splicing block contacts, second kink of the outermost arc punching of described adjacent arc splicing block contacts, described arc connecting portion adjacent in described circumference is spliced to form the ring-type yoke portion of described iron core, and described first kink adjacent in described circumference and upper adjacent described second kink of circumference are spliced to form the teeth portion of described iron core.
Preferably, describedly form the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprise:
Two corresponding end of square board body are bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end with described square sheet material body contacts;
End corresponding for the blind end of two described first kinks is bent to form described second kink relatively;
Described square steel body is bent to form arc connecting portion.
Preferably, describedly form the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprise:
Two corresponding end of square board body are bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end with described square sheet material body contacts;
Square board body between described first kink is bent to form arc connecting portion.
End corresponding for the blind end of described first kink is bent to form described second kink relatively.
Preferably, describedly form the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprise:
The mid portion of square board body is bent to form arc connecting portion;
The two side ends described square board body be connected with described arc connecting portion is bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end contacted with described arc connecting portion;
End corresponding for the blind end of two described first kinks is bent to form described second kink relatively.
Preferably, before at least two described arc splicing blocks are spliced to form iron core in the circumferential, described method also comprises:
That one side end of the both side ends contacted with arc connecting portion adjacent in circumference at described arc connecting portion forms certain depth and the groove extended along the length direction of described arc connecting portion, end side is outstanding forms Plug Division;
Describedly at least two described arc splicing blocks be spliced to form iron core in the circumferential comprise:
The Plug Division of described arc connecting portion is inserted the groove of the upper adjacent arcs shape connecting portion of circumference.
Present invention also offers a kind of core structure of motor, have ring-type yoke portion and by described yoke portion radially to the outstanding teeth portion formed, described core structure is formed by said method;
Described core structure is spliced to form in the circumferential mutually by the arc splicing block described at least two, described arc splicing block is formed by the arc punching described at least two is coated successively, and described arc punching has arc connecting portion, the first kink and the second kink;
Wherein, described first kink is outwardly formed along the radial direction of described arc connecting portion by the both side ends of described arc connecting portion, described first kink has the blind end connected with described arc connecting portion, and described second kink is bent to form relatively by the end that the blind end of two described first kinks of described arc connecting portion is corresponding; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
Arc punching described in adjacent two, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of the described cavity of last described arc punching, the width of arc punching described in one after described and be greater than the width and highly of described last described arc punching highly respectively;
The arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, first kink of the outermost arc punching of described adjacent arc splicing block contacts, and the second kink of the outermost arc punching of described adjacent arc splicing block contacts;
Described arc connecting portion adjacent in described circumference is spliced to form the ring-type yoke portion of described iron core, and described first kink adjacent in described circumference and upper adjacent described second kink of circumference are spliced to form the teeth portion of described iron core.
Preferably, that a side end of the both side ends that described arc connecting portion contacts with arc connecting portion adjacent in circumference is formed with certain depth and the groove extended along the length direction of described arc connecting portion, end side is outstanding forms Plug Division; Described adjacent arc splicing block inserts the described groove splicing of the upper adjacent arc connecting portion of circumference by the Plug Division of described arc connecting portion.
Present invention also offers a kind of motor, comprise stators and rotators, described stator and/or rotor have above-mentioned core structure.
Beneficial effect of the present invention:
The present invention is by being undertaken being bent to form arc punching by raw material, then by arc punching successively coated formation arc splicing block, arc splicing block is spliced to form core structure in the circumferential, mode in the present invention mainly through bending is processed raw material, the thickness that iron core requires can be reached by the arc connecting portion length of single arc punching, compared to existing technology, decrease the generation of a large amount of waste material, reduce cost to a great extent.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is iron core single chip architecture schematic diagram of the prior art;
Fig. 2 is core structure schematic diagram of the prior art;
Fig. 3 is the method flow diagram in the present invention;
Fig. 4 is the arc lamination structure schematic diagram in the present invention;
Fig. 5 is the arc splicing block structural representation in the present invention;
Fig. 6 is the core structure schematic diagram in one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
Embodiments provide a kind of iron core manufacture method, as shown in Figure 3, the method specifically comprises the steps:
S11, raw material had the arc punching of arc connecting portion, the first kink and the second kink as copper sheet or silicon steel sheet etc. are formed through punch process.
Fig. 4 provides a kind of concrete structure of this arc punching, and it has opposite ends radially the first kink 22 of symmetry of outwardly being formed of direction and second kink 23 of symmetry that is relatively bent to form by the end that the blind end of first kink 22 on both sides is corresponding of arc connecting portion 21, arc connecting portion 21.Arc connecting portion 21, first kink 21 and the second kink 22 form an inner chamber 24., and it has madial wall and lateral wall.
Wherein, the first kink 22 also can be the opposite ends radially direction inwardly outstanding formation of arc connecting portion 21.
S12, by least two arc punchings coated formation arc splicing block successively.Arc splicing block as shown in Figure 5.Wherein, adjacent two arc punchings 31, the cavity madial wall of a rear arc punching 31 is coated on the lateral wall of the cavity of last arc punching 31, obvious, and the width of a rear arc punching 31 and height should be greater than width and the height of last arc punching 31 respectively.
S13, at least two arc splicing blocks are spliced to form iron core.As shown in Figure 6, wherein, the arc connecting portion 42 of the outermost arc punching of adjacent arc splicing block 41 contacts, first kink 43 of the outermost arc punching of adjacent arc splicing block 41 contacts, second kink 44 of the outermost arc punching of adjacent arc splicing block 41 contacts, arc connecting portion 42 adjacent in circumference is spliced to form the ring-type yoke portion 45 of iron core, and the first kink 43 adjacent in circumference and upper the second adjacent kink 44 of circumference are spliced to form the teeth portion 46 of iron core.
In above-mentioned steps, wherein step S11 specifically comprises three kinds of modes:
First kind of way:
Two corresponding end of square board body are bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end with described square sheet material body contacts.
Then end corresponding for the blind end of two described first kinks is bent to form described second kink relatively;
Finally described square steel body is bent to form arc connecting portion.
The second way:
Two corresponding end of square board body are bent to form the first kink along the radial direction in ring-type yoke portion; First kink has the blind end with square sheet material body contacts;
Then the square board body between the first kink is bent to form arc connecting portion.
Finally end corresponding for the blind end of the first kink is bent to form the second kink relatively.
The third mode:
The mid portion of square board body is bent to form arc connecting portion.
Then the two side ends described square board body be connected with described arc connecting portion is bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end contacted with described arc connecting portion;
Finally end corresponding for the blind end of two described first kinks is bent to form described second kink relatively.
For realizing the splicing between arc splicing block, in the present invention before splicing, that one side end of the both side ends that can contact with arc connecting portion adjacent in circumference at described arc connecting portion forms certain depth and the arcuately groove that extends of the length direction of connecting portion, end side is outstanding forms Plug Division.Then the Plug Division of arc connecting portion is inserted the groove of the upper adjacent arc connecting portion of circumference.
Certainly, also can adopt in the present invention the modes such as welding realize contiguous concatenation fast between combination, the present invention does not do concrete restriction.
Corresponding said method, present invention also offers a kind of core structure of motor, this structure as shown in Figure 6.Have the yoke portion 45 of ring-type and radially given prominence to the teeth portion 46 formed by yoke portion 45 laterally, core structure is formed by said method;
Core structure is spliced to form in the circumferential mutually by least two arc splicing blocks 41, and arc splicing block 41 is formed by least two arc punchings are coated successively.
Wherein arc punching has arc connecting portion, the first kink and the second kink, first kink is outwardly formed by the radial direction of the both side ends arcuately connecting portion of arc connecting portion, first kink has the blind end connected with arc connecting portion, and the second kink is bent to form relatively by the end that the blind end of two the first kinks of arc connecting portion is corresponding; Arc connecting portion, the first kink and the second kink are formed with a cavity.
In an arc splicing block 41, adjacent arc punching, the described cavity madial wall of a rear arc punching is coated on the lateral wall of the described cavity of last described arc punching, the width of arc punching described in one after described and be greater than the width and highly of described last described arc punching highly respectively.
In figure 6, the arc connecting portion 42 of the outermost arc punching of adjacent arc splicing block 41 contacts, first kink 43 of the outermost arc punching of adjacent arc splicing block 41 contacts, and the second kink 44 of the outermost arc punching of adjacent arc splicing block 41 contacts.
Arc connecting portion 42 adjacent in circumference is spliced to form the ring-type yoke portion of iron core, the first kink 43 phase splicing adjacent in circumference and the upper adjacent common teeth portion 46 forming iron core of the second kink 44 phase splicing of circumference.
For convenience of splicing, that a side end of the both side ends that arc connecting portion contact with arc connecting portion adjacent in circumference can be formed with certain depth and the groove extended along the length direction of described arc connecting portion, end side gives prominence to formation Plug Division; Adjacent arc splicing block inserts the groove splicing of the upper adjacent arc connecting portion of circumference by the Plug Division of arc connecting portion.
Corresponding said method and core structure, present invention also offers a kind of motor, comprise stators and rotators.Its stator and/or rotor have the core structure in above-described embodiment.Related content see above-described embodiment, no longer can describe in detail herein.
Above-described specific embodiment, object of the present invention, technical scheme and beneficial effect are further described, it should be noted, the foregoing is only a specific embodiment of the present invention, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a manufacture method for iron core, is characterized in that, described method comprises:
Raw material are formed the arc punching with arc connecting portion, the first kink and the second kink through punch process; Wherein, described first kink is formed along the radial direction of described arc connecting portion is outstanding by the both side ends of described arc connecting portion; Described first kink has the blind end connected with described arc connecting portion; Described second kink is bent to form relatively by the end that the blind end of two described first kinks of described arc connecting portion is corresponding; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
By at least two described arc punchings coated formation arc splicing block successively; Wherein, the arc punching described in adjacent two of arc splicing block, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of the described cavity of last described arc punching, the width of arc punching described in one after described and be greater than the width and highly of described last described arc punching highly respectively;
At least two described arc splicing blocks are spliced to form iron core, the arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, first kink of the outermost arc punching of described adjacent arc splicing block contacts, second kink of the outermost arc punching of described adjacent arc splicing block contacts, described arc connecting portion adjacent in described circumference is spliced to form the ring-type yoke portion of described iron core, and described first kink adjacent in described circumference and upper adjacent described second kink of circumference are spliced to form the teeth portion of described iron core.
2. the manufacture method of iron core as claimed in claim 1, is characterized in that, describedly forms the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprises:
Two corresponding end of square board body are bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end with described square sheet material body contacts;
End corresponding for the blind end of two described first kinks is bent to form described second kink relatively;
Described square board body is bent to form arc connecting portion.
3. the manufacture method of iron core as claimed in claim 1, is characterized in that, describedly forms the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprises:
Two corresponding end of square board body are bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end with described square sheet material body contacts;
Square board body between described first kink is bent to form arc connecting portion;
End corresponding for the blind end of described first kink is bent to form described second kink relatively.
4. the manufacture method of iron core as claimed in claim 1, is characterized in that, describedly forms the arc punching with arc connecting portion, the first kink and the second kink through punch process and comprises:
The mid portion of square board body is bent to form arc connecting portion;
The two side ends described square board body be connected with described arc connecting portion is bent to form described first kink along the radial direction in described ring-type yoke portion; Described first kink has the blind end contacted with described arc connecting portion;
End corresponding for the blind end of two described first kinks is bent to form described second kink relatively.
5. the manufacture method of the iron core according to any one of claim 1-4, is characterized in that, before at least two described arc splicing blocks are spliced to form iron core in the circumferential, described method also comprises:
That one side end of the both side ends contacted with arc connecting portion adjacent in circumference at described arc connecting portion forms certain depth and the groove extended along the length direction of described arc connecting portion, end side is outstanding forms Plug Division;
Describedly at least two described arc splicing blocks be spliced to form iron core in the circumferential comprise:
The Plug Division of described arc connecting portion is inserted the groove of the upper adjacent arcs shape connecting portion of circumference.
6. a core structure for motor, have ring-type yoke portion and by described yoke portion radially to the outstanding teeth portion formed, it is characterized in that, described core structure is formed by the manufacture method of the iron core described in any one in claim 1-5;
Described core structure is spliced to form in the circumferential mutually by the arc splicing block described at least two, described arc splicing block is formed by the arc punching described at least two is coated successively, and described arc punching has arc connecting portion, the first kink and the second kink;
Wherein, described first kink is outwardly formed along the radial direction of described arc connecting portion by the both side ends of described arc connecting portion, described first kink has the blind end connected with described arc connecting portion, and described second kink is bent to form relatively by the end that the blind end of two described first kinks of described arc connecting portion is corresponding; Described arc connecting portion, the first kink and the second kink are formed with a cavity;
Arc punching described in adjacent two, the described cavity madial wall of the arc punching described in rear is coated on the lateral wall of the described cavity of last described arc punching, the width of arc punching described in one after described and be greater than the width and highly of described last described arc punching highly respectively;
The arc connecting portion of the outermost arc punching of described adjacent arc splicing block contacts, first kink of the outermost arc punching of described adjacent arc splicing block contacts, and the second kink of the outermost arc punching of described adjacent arc splicing block contacts;
Described arc connecting portion adjacent in described circumference is spliced to form the ring-type yoke portion of described iron core, and described first kink adjacent in described circumference and upper adjacent described second kink of circumference are spliced to form the teeth portion of described iron core.
7. core structure as claimed in claim 6, it is characterized in that, that one side end of the both side ends that described arc connecting portion contacts with arc connecting portion adjacent in circumference is formed with certain depth and the groove extended along the length direction of described arc connecting portion, end side is outstanding forms Plug Division; Described adjacent arc splicing block inserts the described groove splicing of the upper adjacent arc connecting portion of circumference by the Plug Division of described arc connecting portion.
8. a motor, comprises stators and rotators, it is characterized in that, described stator and/or rotor have the core structure as described in claim 6 or 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404336.XA CN103475170B (en) | 2013-09-09 | 2013-09-09 | Manufacturing method of iron core, iron core structure and motor |
| PCT/CN2013/090380 WO2015032160A1 (en) | 2013-09-09 | 2013-12-24 | Method for manufacturing metal core, metal core structure, and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404336.XA CN103475170B (en) | 2013-09-09 | 2013-09-09 | Manufacturing method of iron core, iron core structure and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103475170A CN103475170A (en) | 2013-12-25 |
| CN103475170B true CN103475170B (en) | 2015-05-20 |
Family
ID=49799908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310404336.XA Expired - Fee Related CN103475170B (en) | 2013-09-09 | 2013-09-09 | Manufacturing method of iron core, iron core structure and motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103475170B (en) |
| WO (1) | WO2015032160A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918515B (en) * | 2019-05-09 | 2023-11-28 | 泛亚电子工业(无锡)有限公司 | High-strength intermediate piece structure of sliding rail and processing technology thereof |
| US20220399149A1 (en) | 2019-12-18 | 2022-12-15 | Permanent Magnets Limited | Magnetic Core Assembly And Manufacturing Process Thereof |
| CN113814318B (en) * | 2021-09-25 | 2023-07-04 | 浙江实日机电科技有限公司 | Production process of motor iron core |
| CN114083229B (en) * | 2021-11-04 | 2022-11-29 | 东芝水电设备（杭州）有限公司 | Method for manufacturing annular thick plate magnet yoke |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750358A (en) * | 2004-09-15 | 2006-03-22 | Lg电子株式会社 | Stator of motor and method of manufacturing the same |
| JP4578460B2 (en) * | 2006-08-08 | 2010-11-10 | 株式会社三井ハイテック | Manufacturing method of stator laminated iron core |
| CN202550703U (en) * | 2012-04-26 | 2012-11-21 | 江门市地尔汉宇电器股份有限公司 | Bent U-shaped stator core as well as permanent magnetic motor and water pump using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3282521B2 (en) * | 1996-07-08 | 2002-05-13 | トヨタ自動車株式会社 | Reluctance motor |
| JP2001292542A (en) * | 2000-04-05 | 2001-10-19 | Nissan Motor Co Ltd | Manufacturing method for stator core of motor and stator |
| US6750580B2 (en) * | 2000-12-26 | 2004-06-15 | Industrial Technology Research Institute | Permanent magnet rotor having magnet positioning and retaining means |
| CN101667755A (en) * | 2009-09-30 | 2010-03-10 | 徐锦蓉 | Stator structure of direct current variable frequency motor |
| CN203445710U (en) * | 2013-09-09 | 2014-02-19 | 苏州腾龙电机科技有限公司 | Motor |
| CN203445704U (en) * | 2013-09-09 | 2014-02-19 | 苏州腾龙电机科技有限公司 | Iron core structure and motor |
-
2013
- 2013-09-09 CN CN201310404336.XA patent/CN103475170B/en not_active Expired - Fee Related
- 2013-12-24 WO PCT/CN2013/090380 patent/WO2015032160A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750358A (en) * | 2004-09-15 | 2006-03-22 | Lg电子株式会社 | Stator of motor and method of manufacturing the same |
| JP4578460B2 (en) * | 2006-08-08 | 2010-11-10 | 株式会社三井ハイテック | Manufacturing method of stator laminated iron core |
| CN202550703U (en) * | 2012-04-26 | 2012-11-21 | 江门市地尔汉宇电器股份有限公司 | Bent U-shaped stator core as well as permanent magnetic motor and water pump using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015032160A1 (en) | 2015-03-12 |
| CN103475170A (en) | 2013-12-25 |
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