CN100399673C - Core for dynamo and mfg method thereof - Google Patents
Core for dynamo and mfg method thereof Download PDFInfo
- Publication number
- CN100399673C CN100399673C CNB031443397A CN03144339A CN100399673C CN 100399673 C CN100399673 C CN 100399673C CN B031443397 A CNB031443397 A CN B031443397A CN 03144339 A CN03144339 A CN 03144339A CN 100399673 C CN100399673 C CN 100399673C
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- China
- Prior art keywords
- iron core
- strap
- steel plate
- tooth portion
- core steel
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- 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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- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to an iron core for motors and a manufacture method thereof. An iron core steel plate is helically overlapped to form the iron core for motors. The iron core steel plate is provided with a strapped-shaped part and a plurality of tooth parts, wherein the strapped-shaped part is in a strap shape, and the length of the strapped-shaped part is largely longer than the width; the tooth parts are arranged on one side of the strapped-shaped part and bulge outwards along the width direction, and have certain separation distance on the length direction. The manufacture method of the iron core for motors comprises a step for forming the iron core steel plate. The iron core steel plate is provided with a strapped-shaped part and a plurality of tooth parts, wherein the strapped-shaped part is in a strap shape, and the length of the strapped-shaped part is largely longer than the width; the tooth parts are arranged on one side of the strapped-shaped part and bulge outwards along the width direction, and have certain separation distance on the length direction. In the other step, the iron core steel plate is helically overlapped, and accordingly, the strapped-shaped part and the tooth parts are overlapped. The present invention can reduce waste as much as possible to reduce the loss of materials and to achieve convenient manufacture.
Description
Technical field
The present invention relates to a kind of motor iron core and manufacture method thereof.
Background technology
The rotor that general motor has hard-wired stator and can do relative motion with respect to stator.Rotary-type motor can be divided into built-in rotor-type (inner rotortype) and outboard rotor type (outer rotor type) according to the mounting means of its stator and rotor.Stator and rotor have usually the stator core that is formed by stacking by several electric steel plates with and/or rotor core, stator core with and/or rotor core on have coil or magnet.
As Fig. 1, Fig. 2, shown in Figure 3, motor is made of a plurality of fanning strip duplexers 110 with iron core, thereby these fanning strip duplexers 110 along the circumferential direction two ends connect and form an integral body, have outwards outstanding along radial direction on these fanning strip duplexers 110 and the 112b of several tooth portions that form.Each fanning strip duplexer 110 is made of body 112a and the 112b of several tooth portions.Above-mentioned body 112a is formed by stacking along thickness direction by plurality of sector sheet 11; The above-mentioned tooth 112b of portion is then outwards outstanding along radial direction in the outside of each body 112a, between them in a circumferential direction at a distance of certain intervals.
The end of the side of body 112a along the circumferential direction forms outstanding lug boss 116, and opposite side has formed protruding holding tank 117, and this protruding holding tank 117 can make the lug boss 116 that forms on another adjacent fanning strip duplexer 110 insert wherein.The inboard of body 112a has formed the installation portion 113 that connects for the fixed body (not shown), and each installation portion 113 all forms the through hole 115 that runs through the plate face.Form jog 118 respectively on each 112b of tooth portion and the body 112a, these jogs 118 can play the effect that they are alignd on thickness direction when the stack fanning strip, the perforation pilot hole 119 that need use when also forming stack between the jog 118.
As shown in Figure 3, each fanning strip 111 is to form like this, when promptly on the electric steel plate mother metal 121 on being placed on punch die (die) (not shown) the drift (not shown) being set, need make installation portion 113 close mutually, carries out die-cut then.After stacking up layer by layer, punched each fanning strip 111 that gets off just can form fanning strip duplexer 110.Each fanning strip duplexer 110 couples together by the following method, promptly each lug boss 116 is along the circumferential direction inserted in the protruding holding tank 110 of contiguous fanning strip duplexer 110, by welding they is linked into an integrated entity then.
For aforesaid prior motor iron core, it forms by the following method, promptly earlier be formed in the fanning strip 111 that circumferencial direction is divided into some by die-cut method, thereby the die-cut like this fanning strip 111 that comes out is in layer stacked up form fanning strip duplexer 110 then, next these fanning strip duplexers 110 along the circumferential direction are connected with each other, weld at lug boss 116 that is connected with each other and protruding holding tank 117 positions at last, thereby they are fixed.Yet there are following problem in existing iron core and manufacture method thereof, promptly owing to production processes such as die-cut, stack, assembling, welding are very complicated, and prolong the production time, meanwhile, as shown in Figure 3, also can produce a large amount of waste material 123, thereby cause the waste of electric steel plate mother metal 121.
Summary of the invention
In order to overcome existing motor with the above-mentioned shortcoming that iron core and manufacture method thereof exist, the invention provides a kind of motor iron core and manufacture method thereof, it can reduce the generation of waste material as much as possible, thereby reduces the loss of material, and is convenient to make.
Motor of the present invention with the technical scheme that iron core adopted is:
A kind of motor iron core, be to be formed by stacking with spiral form by iron core steel plate, it is characterized in that: described iron core steel plate has strap and a plurality of tooth portion, it is banded that strap is, the length of strap is compared with width, length is very long, tooth portion is outside outstanding the forming of broad ways on described strap one side, and in the longitudinal direction at a distance of certain interval, also form jog in strap and the tooth portion, jog the time makes the alignment mutually respectively on thickness direction of strap and tooth portion in stack, and described strap has formed the internal diameter with certain size when stack, and described tooth portion is outstanding laterally along radial direction.
Motor of the present invention with the manufacture method of iron core is:
A kind of motor manufacture method of iron core, it is characterized in that: in the stage that forms iron core steel plate, described iron core steel plate has strap and a plurality of tooth portion, it is banded that strap is, the length of strap is compared with width, length is very long, to be that broad ways is outwards outstanding on a side of described strap form in a plurality of tooth portion, and at length direction at a distance of certain intervals, the stage that is layering in strap and tooth portion, described iron core steel plate is superposeed with spiral form, thereby described strap and described toothed portion are not layering.
Described motor before it stacks up iron core steel plate, also has a stage of preparing the internal diameter fairlead with the manufacture method of iron core, and this internal diameter fairlead plays the effect of guiding when superposeing, make described strap form the internal diameter with certain size.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the end view of prior motor with iron core
Fig. 2 is the end view that motor shown in Figure 1 is used the fanning strip duplexer of iron core
Fig. 3 is the die-cut state diagram that motor shown in Figure 1 is used the fanning strip of iron core
Fig. 4 is the end view of the motor of one embodiment of the invention with iron core
Fig. 5 is the floor map of motor shown in Figure 4 with iron core
Fig. 6 is the die-cut state diagram of motor shown in Figure 5 with iron core
Fig. 7 is a motor shown in Figure 6 with the layered laminate schematic diagram of the die-cut good iron core steel plate of iron core
Fig. 8 is the side cross-sectional view of iron core steel plate layered laminate shown in Figure 7
The number in the figure explanation:
11: iron core steel plate 12: strap
13: tooth portion
15: electric steel plate mother metal
16: waste material
Embodiment
As Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, motor iron core of the present invention is formed by stacking with spiral form by iron core steel plate 11, and above-mentioned iron core steel plate 11 has following structure, and promptly strap 12, is banded, compares with width, and its length is very long; A plurality of tooth portion 13 is that broad ways is outwards outstanding on a side of zonal part 12 to form, and this a plurality of tooth portion is in the longitudinal direction at a distance of certain interval.The present invention can be according to the purposes of stator core or rotor core etc. and the canoe of coil, and the size of tooth portion 13, shape and spacing etc. can suitably be regulated.
Iron core steel plate 11 as shown in Figure 6, form by the following method, when promptly on the electric steel plate mother metal 15 on being placed on the punch die (not shown) drift (not shown) being set, strap 12 apart is arranged side by side on Width certain intervals, meanwhile, make each tooth portion 13 mutually between other tooth portion 13, thereby the state that the tooth portion 13 of each iron core steel plate 11 is arranged alternately carry out die-cut then.Therefore compared with prior art, can significantly reduce the waste material 16 of generation.
After iron core steel plate 11 die-cut the getting well, an end of its strap 12 is placed on the outer ring of the bar-shaped internal diameter fairlead 17 with certain diameter, and need make each tooth portion 13 all toward the outer side.The power that imposes a certain size then on iron core steel plate 11 is so that its distortion, thereby it is wrapped in along certain orientation on the outer ring of internal diameter fairlead 17, and like this, each tooth portion 13 can promptly form circular strap 12 and also be radial arrangement toward the outer side relatively.Next, if on one side to iron core steel plate 11 application of forces so that its distortion, on one side it is wrapped in the periphery of internal diameter fairlead 17 towards unified direction, thereby form spirality, strap 12 and tooth portion 13 will be as shown in Figure 7 and Figure 8 so, the cambium layer stack structure.
If finished the additive process of iron core steel plate 11, so just internal diameter fairlead 17 can be withdrawn.Then in order to prevent that strap 12 and tooth portion 13 that mutual superposition is got up break away from mutually, can or rivet (rivet) by welding, or utilize the method for other foundry goods that they are fixed up on thickness direction.
Here, strap 12 with and/or tooth portion 13 on can also form the jog (not shown), this jog the time can play their effects of alignment mutually on thickness direction that makes in stack.
The effect of invention
As mentioned above, core for dynamo of the present invention is to be formed by stacking with spiral form by iron core steel plate, its In iron core steel plate have following structure, i.e. strap, it is banded, compares with width, its length is very Long; A plurality of tooth section is outside outstanding the forming of broad ways on a side of zonal part, and And, this a plurality of tooth section at length direction at a distance of certain interval. The iron core of prior art then be by with Lower method forms, and soon is divided in a circumferential direction the in addition die-cut/stack of polylith fanning strip, thus shape Become the fanning strip duplexer, then each fanning strip duplexer is assembled and is welded and fixed. Therefore with existing Have technology to compare, the present invention reduces operational sequence, makes easily, and shortens the production time, greatly reduces The generation of waste material, thereby reduce the loss of material.
Claims (3)
1. motor iron core, be to be formed by stacking with spiral form by iron core steel plate, it is characterized in that: described iron core steel plate (11) has strap (12) and a plurality of tooth portions (13), it is banded that strap (12) is, the length of strap is compared with width, length is very long, tooth portion (13) is outside outstanding the forming of broad ways on described strap (12) one sides, and in the longitudinal direction at a distance of certain interval, also form jog in strap (12) and the tooth portion (13), jog makes the alignment mutually respectively on thickness direction of strap (12) and tooth portion (13) when stack, described strap (12) has formed the internal diameter with certain size when stack, described tooth portion (13) is outstanding laterally along radial direction.
2. a motor is with the manufacture method of iron core, it is characterized in that: in the stage that forms iron core steel plate, described iron core steel plate (11) has strap (12) and a plurality of tooth portions (13), it is banded that strap (12) is, the length of strap is compared with width, length is very long, a plurality of tooth portions (13) are outside outstanding the forming of broad ways on a side of described strap (12), and at length direction at a distance of certain intervals, the stage that is layering in strap (12) and tooth portion (13), described iron core steel plate (11) is superposeed with spiral form, thereby described strap (12) and described tooth portion (13) are layering respectively.
3. the motor according to claim 2 manufacture method of iron core, it is characterized in that: before described iron core steel plate is stacked up, a stage of preparing internal diameter fairlead (17) is arranged, internal diameter fairlead (17) plays the effect of guiding when superposeing, make described strap (12) form the internal diameter with certain size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443397A CN100399673C (en) | 2003-09-25 | 2003-09-25 | Core for dynamo and mfg method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443397A CN100399673C (en) | 2003-09-25 | 2003-09-25 | Core for dynamo and mfg method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601849A CN1601849A (en) | 2005-03-30 |
| CN100399673C true CN100399673C (en) | 2008-07-02 |
Family
ID=34659501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031443397A Expired - Fee Related CN100399673C (en) | 2003-09-25 | 2003-09-25 | Core for dynamo and mfg method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100399673C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5719979B1 (en) * | 2014-01-24 | 2015-05-20 | 黒田精工株式会社 | Laminated iron core manufacturing apparatus and laminated iron core manufacturing method |
| CN211859739U (en) * | 2020-03-09 | 2020-11-03 | 卧龙电气驱动集团股份有限公司 | Strip-shaped punching sheet, winding type iron core and motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191698A (en) * | 1988-09-14 | 1993-03-09 | Matsushita Electric Industrial Co., Ltd. | Method of making a resin-molded motor |
| JPH09308143A (en) * | 1996-05-08 | 1997-11-28 | Matsushita Electric Ind Co Ltd | Material of core of rotary machine and manufacture of the core |
-
2003
- 2003-09-25 CN CNB031443397A patent/CN100399673C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191698A (en) * | 1988-09-14 | 1993-03-09 | Matsushita Electric Industrial Co., Ltd. | Method of making a resin-molded motor |
| JPH09308143A (en) * | 1996-05-08 | 1997-11-28 | Matsushita Electric Ind Co Ltd | Material of core of rotary machine and manufacture of the core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1601849A (en) | 2005-03-30 |
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Granted publication date: 20080702 Termination date: 20091026 |