CN102570645A - Stator core, motor and motor making production method - Google Patents
Stator core, motor and motor making production method Download PDFInfo
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- CN102570645A CN102570645A CN2012100220040A CN201210022004A CN102570645A CN 102570645 A CN102570645 A CN 102570645A CN 2012100220040 A CN2012100220040 A CN 2012100220040A CN 201210022004 A CN201210022004 A CN 201210022004A CN 102570645 A CN102570645 A CN 102570645A
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Abstract
The invention aims at providing a stator core which is formed by serrated units buckled mutually and needs no pressure holding or welding. The stator core provided by the invention comprises a plurality of serrated units assembled together in a circumferential direction, each serrated unit is provided with a teeth part used for twisting wire and a yoke part positioned at one end of the teeth part, a circular arc bulge is arranged at one end of the yoke part, a groove matched with the bulge in shape is arranged on the other end of the yoke part, and one serrated unit is matched with the groove of an adjacent serrated unit by the bulge, so as to form a planar hinge capable of rotating relatively between two adjacent serrated units.
Description
Technical field
The present invention relates to machine field, the used stator core of especially a kind of motor stator, have the manufacture method of the motor and the motor of this kind stator core.
Background technology
Motor is meant according to the law of electromagnetic induction realizes electric energy conversion or a kind of calutron that transmits, and comprises stator and rotor.Wherein stator comprises the winding that iron core and coil are formed, and wherein coil is through the winding slot place of the opening on the iron core around iron core.The manufacture method of traditional stator is earlier with the punching of mould punching circle, then circular punching is laminated the formation iron core, uses special interior around the machine coiling again.The method stock utilization is low, and cost is high, and the comparatively complicated punching out efficient of mould is low, and coil winding need special equipment and threading speed are low in addition.
For improving stock utilization and threading speed; The core structure that a kind of chain type occurred; As shown in Figure 1, during punching out, the stator lamination that adopts the punching out of strip raw material to become is yi word pattern and arranges; Wind the line after the such stator lamination of multi-disc is range upon range of, at last with the stator core of yi word pattern around thin bridge 2 circumflexions.This scheme can reach the minimizing material cost, improves the purpose of winding efficiency, but connects through thin bridge 2 between the profile of tooth unit 1 of yi word pattern; Need through the conglobate operation of bending shaping; Thin bridge 2 parts can produce distortion after fracture and the bending easily outside primary flat in the bending process, occur interfering when causing stator lamination range upon range of uneven for reducing to be out of shape the back, need in the bending scope, wash out the part material; As form arc sections 3; Thereby make to have breach after the bending of this part and effective contact area is diminished and increases leakage field, and it is dead will to be connected the part weldering behind the circumflexion at last, or the pressurize of employing pressurize frock makes its unlikely scattering; Thereby technology is loaded down with trivial details, and production efficiency is low.
Summary of the invention
Main purpose of the present invention provides a kind of stator core that need not pressurize or welding that is made up of the profile of tooth unit of mutual fastening;
Another object of the present invention provides the motor of the stator core structure that need not pressurize or welding that a kind of profile of tooth unit by mutual fastening constitutes;
Another purpose of the present invention provides the manufacture method of the motor of the stator core structure that need not pressurize or welding that a kind of profile of tooth unit by mutual fastening constitutes.
For realizing above-mentioned main purpose; Stator core provided by the invention is included in a plurality of profiles of tooth unit that circumferentially is bolted together each other; Each said profile of tooth unit all has tooth portion that is used to wind the line and the yoke portion that is positioned at tooth portion one end; One end of yoke portion is provided with circular-arc projection, and the other end is provided with the groove that coincide with the shape of projection, and projection and groove are arranged on the outer rim of yoke portion; The profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the groove fit of projection and adjacent profile of tooth unit.
Through projection and the groove that profile of tooth unit yoke portion two ends are provided with, realize can fastening when the profile of tooth unit splicing is circular stator core, need not pressurize or welding; Form relatively turnable planar hinge between the two adjacent teeth shape unit, make the deployable one-tenth yi word pattern of stator core when keeping the profile of tooth unit to connect, and then can be in the tooth portion coiling of profile of tooth unit when deployed condition, threading speed is high; Projection and groove are arranged on the outer rim of yoke portion, and during several profile of tooth unit circumflexion, yoke portion can leaving certain gaps uncovered by the economic plan, reduces the generation of leakage field.
More concrete scheme be on the projection near the part of stator core axis along stator core radially apart from the distance of stator core periphery less than the corresponding chord length in slot opening place.Projection can side direction be inserted groove from opening, can connect more easily between each profile of tooth unit.
Another more concrete scheme is that circular-arc different radii circular arc by the concentric setting more than two sections constitutes, and the radius of the circular arc that wherein is connected with said stator core periphery is minimum, and the radius of other circular arcs increases by the order of connection successively.Mosaic face is strengthened, increase effective contact area, reduce leakage field, and increase the mechanical strength that is buckled into behind the full circle, reduce distortion.
To be yoke portion be provided with the location division away from a side of said tooth portion to another more concrete scheme.Realize the fixing of profile of tooth unit through the location division, be convenient to coiling and assembly unit.
For realizing another object of the present invention; Motor provided by the invention comprises stator and rotor; The stator core of stator is included in a plurality of profiles of tooth unit that circumferentially is bolted together each other, and each profile of tooth unit all has tooth portion that is used to wind the line and the yoke portion that is positioned at tooth portion one end, and an end of yoke portion is provided with circular-arc projection; The other end is provided with the groove that coincide with the shape of projection; Projection and groove are arranged on the outer rim of yoke portion, and the profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the groove fit of projection and adjacent profile of tooth unit.
Through projection and the groove that profile of tooth unit yoke portion two ends are provided with, realize can fastening when the profile of tooth unit splicing is circular stator core, need not pressurize or welding, simplify the motor production process.Form relatively turnable planar hinge between the two adjacent teeth shape unit, make the deployable one-tenth yi word pattern of stator core when keeping the profile of tooth unit to connect, and then can be in the tooth portion coiling of profile of tooth unit when deployed condition, threading speed is high, improves motor production efficiency; Projection and groove are arranged on the outer rim of yoke portion, and during several profile of tooth unit circumflexion, yoke portion can leaving certain gaps uncovered by the economic plan, reduces the generation of motor flux leakage.
For realizing another purpose of the present invention; Motor manufacture method provided by the invention comprises the steps: a) punching out profile of tooth dice; With the range upon range of one-tenth profile of tooth of multi-disc tooth shape dice unit, each profile of tooth unit all has tooth portion that is used to wind the line and the yoke portion that is positioned at tooth portion one end, and an end of yoke portion is provided with circular-arc projection; The other end is provided with the groove that coincide with the shape of projection; Projection and groove are arranged on the outer rim of yoke portion, and the profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the groove fit of projection and adjacent profile of tooth unit; B) connect into long-chain to a large amount of profiles of tooth unit through planar hinge successively; C) in the tooth portion of each profile of tooth unit insulation framework is installed, adopts open coil winding machine at tooth portion coiling; D) motor is processed in general assembly a plurality of profiles of tooth unit circumflexion stator e in the intercepting long-chain).
Be combined into the coiling of carrying out coil behind the long-chain again through the profile of tooth unit, can realize that automation connects operation, enhances productivity.Each profile of tooth unit can snap together securely after being assembled into the full circle stator, need not welding or adopts the frock pressurize.
Another program of motor manufacture method comprises the steps: a) punching out profile of tooth dice; With the range upon range of one-tenth profile of tooth of multi-disc tooth shape dice unit; Each profile of tooth unit all has the tooth portion that is used to wind the line and the yoke portion that is positioned at said tooth portion one end; One end of yoke portion is provided with circular-arc projection, and the other end is provided with the groove that coincide with the shape of said projection, and projection and groove are arranged on the outer rim of yoke portion; B) in the tooth portion of each profile of tooth unit insulation framework is installed, adopts open coil winding machine at tooth portion coiling; D) with a plurality of circular stators of profile of tooth unit splicing that have coil; E) motor is processed in general assembly.
Can improve winding efficiency through each independent coiling in profile of tooth unit.Each profile of tooth unit can snap together securely after being assembled into the full circle stator, need not welding or adopts the frock pressurize.
Description of drawings
Fig. 1 is the sketch map of existing stator core when being in deployed condition;
Fig. 2 is the plane graph of the stator core of the present invention first embodiment profile of tooth unit;
Fig. 3 is the sketch mapes of stator core first embodiment of the present invention two profile of tooth unit when splicing;
Fig. 4 is the sketch map that stator core first embodiment of the present invention two profile of tooth unit are connected to form planar hinge;
Fig. 5 is the sketch map that the stator core of the present invention first embodiment profile of tooth unit is combined into chain;
Fig. 6 is the plane graph of the stator core first embodiment stator core of the present invention;
Fig. 7 is the sketch map that the stator core of the present invention second embodiment profile of tooth unit splices each other;
Fig. 8 is the enlarged drawing of Fig. 7.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
Stator core first embodiment
Stator core is formed in circumferentially mutual assembly unit by a plurality of profiles of tooth unit 1; Each profile of tooth unit 1 is range upon range of and form by the profile of tooth dice of some; It has certain thickness, and Fig. 2 is the plane graph of profile of tooth unit 1, and every profile of tooth dice all has shape shown in Figure 2.As shown in Figure 2, profile of tooth unit 1 comprises a tooth portion 6 that is used to wind the line, and the one of which end is provided with the anti-avulsion retaining that is used to prevent the coil slippage, and the other end is for forming the yoke portion 7 of stator core periphery, and the winding slot separation is in the left and right sides of tooth portion 2.The yoke portion 7 of profile of tooth unit 1 is provided with the location notch 8 as the location division away from a side of tooth portion, and the shape of location notch 8 can freely be provided with as required, like dovetail shaped, trapezoidal, triangle, circular arc etc., as long as can realize that the positioning instant of profile of tooth unit 1 can.The button point 9 that every profile of tooth dice same position is protruded outside oriented primary flat and shape is identical is formed between each profile of tooth dice of profile of tooth unit 1 and is aimed at laminated together each other through button point 9.The profile of button point 9 also can freely be provided with, and is set to cube or segment or prismatoid like profile, fastens each other between each profile of tooth dice as long as can realize.
In Fig. 2; The left end of yoke portion 7 promptly is provided with projection 4 along its outer rim and is provided with projection 4 on the part of the periphery of the formation stator core of yoke portion 7; Projection 4 comprises bridge part 41 and arc sections 42; The right-hand member of yoke portion 7 is provided with the groove 5 that coincide with projection 4 shapes along its outer rim, and groove 5 comprises arc sections 52 and the part 51 that matches with bridge part 41.The setting that bridge part 41 reaches the part 51 corresponding with it increases the Mosaic face contact area, reduces the generation of leakage field.Wherein the arc sections 52 of the arc sections 42 of projection 4 and groove 5 be set to intersect with the stator core periphery and pairing central angle greater than 180 degree, be 180 °+β.On the projection 4 near the part of stator core axis along stator core be A radially apart from the distance of stator core periphery, the chord length that groove 5 opening parts are corresponding is B.
When B is set more than or equal to A, the projection 4 of profile of tooth unit 1 can be in primary flat from the open side of the groove 5 of another profile of tooth unit 1 in the groove 5 that inserts, as shown in Figure 3, form relatively turnable planar hinge.Two profile of tooth unit 1 can rotate to an angle relatively; As long as the chord length of the arc sections 42 of projection 4 and arc sections 52 contact-making surfaces of groove 5 is greater than the corresponding chord length B of groove 5 opening parts; Even when in primary flat, applying the power that makes the separation of two profile of tooth unit; Two profile of tooth unit 1 still can keep flexibly connecting and not get loose, and this connects the scope that does not get loose is 2 β, as shown in Figure 4; When the chord length of the arc sections 42 of projection 4 and arc sections 52 contact-making surfaces of groove 5 during, apply the power that two profile of tooth unit 1 are separated along direction projection 4 is thrown off in groove 5 perpendicular to groove 5 openings less than the corresponding chord length B in slot opening place.
When being set to B less than A, the projection 4 of profile of tooth unit 1 can not be in primary flat from the open side of the groove 5 of another profile of tooth unit 1 to insertion.At this moment, projection 4 can only be above or below the primary flat along stator core axially in the groove 5 that embeds another profile of tooth unit 1, form relatively turnable planar hinge.Because B less than A, applies power along any direction two profile of tooth unit that are connected 1 are separated in primary flat, two profile of tooth unit can rotate each other in the maximum magnitude that does not interfere and can not get loose.
Fig. 5 shows the sketch map that a plurality of profiles of tooth unit 1 is interconnected to form chain.When being combined into the chain type stator core, each profile of tooth unit 1 can be in certain angle like free reversed torsion as the chain, can a large amount of profiles of tooth unit 1 be coupled together disc type and deposit, conserve space can realize the automatic assembly line operation simultaneously, to enhance productivity.
Fig. 6 is the diagram that several profile of tooth unit 1 are assembled into the stator core of full circle, and the stator core that is assembled into full circle can not stay breach in yoke portion, and during design, yoke portion size diametrically can be less relatively, saves the lamination material.
When making motor, its production stage is following:
A) subpunch is made the profile of tooth dice that forms profile of tooth unit 1; Because the structure of profile of tooth unit 1 is simple relatively; But multiple row punching out profile of tooth dice is laminated together to form profile of tooth unit 1 with the multi-disc tooth shape dice then to raise the efficiency, and the opening of the groove 5 through a profile of tooth unit 1 inserts the projection 4 of another profile of tooth unit 1; Or above or below the primary flat of this profile of tooth unit 1, embed the projection 4 of another profile of tooth unit 1 in the groove 5 of these profile of tooth unit 1, form relatively turnable planar hinge;
B) connect next profile of tooth unit 1 successively, have the long-chain of certain-length until formation;
C) in the tooth portion 6 of each profile of tooth unit 1 insulation framework is installed, and carries out the coiling of coil through the tooth portion 6 of open coil winding machine in each profile of tooth unit 1;
D) after coiling is accomplished, a plurality of profiles of tooth unit circumflexion stator in the intercepting long-chain;
E) and then general assembly such as the rotor of packing into form motor.
Make the coiling that motor also can be employed in single profile of tooth unit 1 enterprising column rule circle and directly be assembled into the method for circular stator then, or be assembled into the coiling of carrying out coil behind the stator core of full circle again.
Stator core second embodiment
Similar among the structure of stator core and first embodiment in the present embodiment, the arc sections that just forms projection and groove is made up of two sections circular arcs.
Like Fig. 7 and shown in Figure 8, the two ends of the yoke portion 7 of profile of tooth unit 1 are respectively arranged with projection 4 and groove 5 along its outer rim.Wherein the arc sections of projection 4 is formed by two sections isocentric circular arc 43 and 44, and the arc sections of groove 5 is formed by two sections isocentric circular arc 53 and 54.Wherein circular arc 43 and 53 pairing radiuses are less than circular arc 44 and 54 pairing radiuses.Can improve the mechanical strength that profile of tooth unit 1 pieces together circular stator core, reduce distortion.When utilizing present embodiment to produce motor also with first embodiment in similar.
Claims (10)
1. stator core comprises
In a plurality of profiles of tooth unit that circumferentially is bolted together each other, each said profile of tooth unit all has the tooth portion that is used to wind the line and the yoke portion that is positioned at said tooth portion one end;
It is characterized in that:
One end of said yoke portion is provided with circular-arc projection, and the groove that the other end is provided with and the shape of said projection is coincide, said projection and said groove are arranged on the outer rim of said yoke portion;
Said profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the said groove fit of said projection and adjacent profile of tooth unit.
2. stator core according to claim 1 is characterized in that:
On the said projection near the part of the axis of said stator core along said stator core radially apart from the distance of said stator core periphery less than the corresponding chord length in said slot opening place.
3. stator core according to claim 1 and 2 is characterized in that:
Said circular-arc different radii circular arcs by at least two sections concentric settings constitute, and the radius of the circular arc that wherein is connected with said stator core periphery is minimum, and the radius of other circular arcs increases by the order of connection successively.
4. stator core according to claim 1 and 2 is characterized in that:
Said yoke portion is provided with the location division away from a side of said tooth portion.
5. motor comprises
Stator and rotor;
The stator core of said stator is included in a plurality of profiles of tooth unit that circumferentially is bolted together each other, and each said profile of tooth unit all has the tooth portion that is used to wind the line and the yoke portion that is positioned at said tooth portion one end;
It is characterized in that:
One end of said yoke portion is provided with circular-arc projection, and the groove that the other end is provided with and the shape of said projection is coincide, said projection and said groove are arranged on the outer rim of said yoke portion;
Said profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the said groove fit of said projection and adjacent profile of tooth unit.
6. motor according to claim 5 is characterized in that:
On the said projection near the part of said stator core axis along said stator core radially apart from the distance of said stator core periphery less than the corresponding chord length in said slot opening place.
7. according to claim 5 or 6 described motors, it is characterized in that:
Said circular-arc different radii circular arcs by at least two sections concentric settings constitute, and the radius of the circular arc that wherein is connected with said stator core periphery is minimum, and the radius of other circular arcs increases by the order of connection successively.
8. according to claim 5 or 6 described motors, it is characterized in that:
Said yoke portion is provided with the location division away from a side of said tooth portion.
9. the motor manufacture method comprises the steps:
A) punching out profile of tooth dice; With the range upon range of one-tenth profile of tooth of the said profile of tooth dice of multi-disc unit; Each profile of tooth unit all has the tooth portion that is used to wind the line and the yoke portion that is positioned at said tooth portion one end; One end of said yoke portion is provided with circular-arc projection, and the groove that the other end is provided with and the shape of said projection is coincide, said projection and said groove are arranged on the outer rim of said yoke portion; Said profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the said groove fit of said projection and adjacent profile of tooth unit;
B) connect into long-chain to a large amount of profiles of tooth unit through said planar hinge successively;
C) in the tooth portion of each profile of tooth unit insulation framework is installed, adopts open coil winding machine at said tooth portion coiling;
D) a plurality of profiles of tooth unit circumflexion stator in the said long-chain of intercepting;
E) motor is processed in general assembly.
10. the motor manufacture method comprises the steps:
A) punching out profile of tooth dice; With the range upon range of one-tenth profile of tooth of the said profile of tooth dice of multi-disc unit; Each profile of tooth unit all has the tooth portion that is used to wind the line and the yoke portion that is positioned at said tooth portion one end; One end of said yoke portion is provided with circular-arc projection, and the groove that the other end is provided with and the shape of said projection is coincide, said projection and said groove are arranged on the outer rim of said yoke portion; Said profile of tooth unit constitutes relatively turnable planar hinge between the two adjacent teeth shape unit through the said groove fit of said projection and adjacent profile of tooth unit;
B) in the tooth portion of each profile of tooth unit insulation framework is installed, adopts open coil winding machine at said tooth portion coiling;
D) with a plurality of circular stators of profile of tooth unit splicing that have coil;
E) motor is processed in general assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210022004.0A CN102570645B (en) | 2012-01-31 | 2012-01-31 | Stator core, motor and motor making production method |
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| CN201210022004.0A CN102570645B (en) | 2012-01-31 | 2012-01-31 | Stator core, motor and motor making production method |
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| CN102570645A true CN102570645A (en) | 2012-07-11 |
| CN102570645B CN102570645B (en) | 2014-03-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103812236A (en) * | 2012-11-12 | 2014-05-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and manufacturing method thereof, motor with stator and compressor with stator |
| JPWO2016002174A1 (en) * | 2014-07-03 | 2017-04-27 | パナソニックＩｐマネジメント株式会社 | Electric motor |
| CN107005103A (en) * | 2014-12-02 | 2017-08-01 | 三菱电机株式会社 | The manufacture method of stator for electric rotating machine iron core, electric rotating machine and electric rotating machine |
| CN108808926A (en) * | 2018-06-01 | 2018-11-13 | 重庆凯邦电机有限公司 | Stator skeleton, motor stator component, motor |
| CN109510333A (en) * | 2018-11-22 | 2019-03-22 | 宫炜智 | A kind of new-type assembling stator |
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| CN1745508A (en) * | 2002-10-31 | 2006-03-08 | 美国艾默生电气公司 | Segmented stator with improved handling and winding characteristics and corresponding method |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
| CN202435152U (en) * | 2012-01-31 | 2012-09-12 | 珠海格力电器股份有限公司 | Stator core and motor |
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| CN1745508A (en) * | 2002-10-31 | 2006-03-08 | 美国艾默生电气公司 | Segmented stator with improved handling and winding characteristics and corresponding method |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812236A (en) * | 2012-11-12 | 2014-05-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and manufacturing method thereof, motor with stator and compressor with stator |
| CN103812236B (en) * | 2012-11-12 | 2016-12-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and manufacture method thereof and there is the motor of this stator, compressor |
| JPWO2016002174A1 (en) * | 2014-07-03 | 2017-04-27 | パナソニックＩｐマネジメント株式会社 | Electric motor |
| CN106663972A (en) * | 2014-07-03 | 2017-05-10 | 松下知识产权经营株式会社 | Electric motor |
| CN106663972B (en) * | 2014-07-03 | 2019-07-05 | 松下知识产权经营株式会社 | Motor |
| CN107005103A (en) * | 2014-12-02 | 2017-08-01 | 三菱电机株式会社 | The manufacture method of stator for electric rotating machine iron core, electric rotating machine and electric rotating machine |
| CN107005103B (en) * | 2014-12-02 | 2018-09-21 | 三菱电机株式会社 | The manufacturing method of stator for electric rotating machine iron core, electric rotating machine and electric rotating machine |
| CN108808926A (en) * | 2018-06-01 | 2018-11-13 | 重庆凯邦电机有限公司 | Stator skeleton, motor stator component, motor |
| CN108808926B (en) * | 2018-06-01 | 2024-05-24 | 重庆凯邦电机有限公司 | Stator framework, motor stator assembly and motor |
| CN109510333A (en) * | 2018-11-22 | 2019-03-22 | 宫炜智 | A kind of new-type assembling stator |
| CN109510333B (en) * | 2018-11-22 | 2023-08-25 | 宫炜智 | Novel assembled stator |
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| CN102570645B (en) | 2014-03-26 |
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