CN102545414B - Externally rotating stator and manufacturing method thereof - Google Patents
Externally rotating stator and manufacturing method thereof Download PDFInfo
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- CN102545414B CN102545414B CN 201210002481 CN201210002481A CN102545414B CN 102545414 B CN102545414 B CN 102545414B CN 201210002481 CN201210002481 CN 201210002481 CN 201210002481 A CN201210002481 A CN 201210002481A CN 102545414 B CN102545414 B CN 102545414B
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Abstract
The invention discloses an externally rotating stator and a manufacturing method thereof; a stator iron core of the stator consists of a plurality of independent I-shaped stator teeth which are lined in a circular shape and are fixedly arranged on a stator seat; insulating bushes which are made of insulating materials are arranged between the stator iron core and a stator winding; and the side walls of the insulating bushes are connected in a strip shape and are bent and wrapped on the tooth parts of the stator teeth. When in manufacturing, a special linear winding jig is used for lining the single stator teeth into a linear shape equally, plastic insulating bushes are covered on the stator teeth, quick winding is completed through a linear winding method, and then the stator iron core which is bent into a round shape and the winding are integrally and fixedly arranged on the stator seat. The efficiency of a permanent magnetic motor which is manufactured through the method can be greatly improved, vibration and working noise are reduced; and according to the method, the stator winding with a small wire diameter and a large number of turns reaches a tankful design effect, and the method is also applicable to manufacturing motors with high working voltage.
Description
Technical field
The present invention relates to a kind of motor stator, especially a kind of external-rotor-type stator and production method thereof of medium and small power motor.
Background technology
The outward rotation type stator core of tradition magneto has the stator that the silicon steel sheet stack of the gap of direction (outer gap) outwardly forms a circle by polylith between adjacent stator tooth, described stator core and be wrapped in the stator that stator winding on the iron core stator tooth consists of motor, its winding mode for outward around.Yet the winding mode of externally-wound type has determined that the gap space of its stator core between cog must have enough spaces just can allow the coil winding machine normal construction.But the stator of producing by this way can only be satisfied with and use the particle size enamelled wire and wind with the low number of turn and with the usefulness of the motor of low voltage operating.For as for the efficient that improves motor with reduce vibration and noise also uses motor with the work of high voltage input mode for significantly saving power material, owing to need using the requirement of thin footpath enamelled wire and the high number of turn, with the production of obviously can't constructing of above-mentioned mode of operation.And no matter theory still in fact, the outer gap of the stator tooth of broad gap is for the efficient that improves motor and reduce vibration and noise all is very harmful.
Summary of the invention
For above situation, the invention provides a kind of Novel stator and production method thereof, reduce the interpolar magnetic gap of stator tooth by the outer winding mode minimally of its optimization, improve the efficient of motor, reduce vibration and noise.
The technical solution used in the present invention can be described as:
A kind of external-rotor-type stator comprises the stator core that is formed by the silicon steel sheet stack and the stator winding that is wrapped on the described stator core, and described stator also contains the stator seat in the centre bore that is inserted into described stator core; Described stator core is comprised of a plurality of independently I-shaped stator tooths of arranging circlewise and being fixed on the described stator seat, described stator tooth comprises the base portion that consists of centre bore, tooth section and the magnetic pole piece that supplies coiling from inside to outside, be provided with the gap towards the outer ring between two adjacent described stator tooths, also be provided with the fastener hole that runs through on the base portion of described stator tooth; Be provided with the insulating case that insulating material is made between described stator core and the stator winding, the sidewall of described insulating case connects and is ribbon, and crooked being wrapped in the tooth section of described stator tooth.
Replenish as a kind of of above technical scheme, described insulating case is comprised of the upper and lower insulating case of upper and lower of working in coordination and cover respectively the tooth section of all stator tooths, and described upper and lower insulating case is sidewall and connects and be banded integral body.
Replenish as a kind of of above technical scheme, described stator seat comprises the iron base that steel axle sleeve, suit are fixed on the plastics screw seat of described axle sleeve bottom and are fixed on described screw seat bottom, the center of wherein said axle sleeve is provided with axis hole, the center bore inner wall profile of the outline of described axle sleeve and described stator core is complementary, the top of described axle sleeve and bottom are equipped with the bearing position of setting-in bearing, and described screw seat top is provided with the screw hole of the fastener hole on the corresponding described stator tooth; Described axle sleeve is inlaid in the described stator core, and each stator tooth all is fixed in the stator core that consists of ring-type on the described screw seat by the screw that passes described fastener hole and screw hole.
Replenish as a kind of of above technical scheme, the top and bottom of described stator core is equipped with the clamping washer of ring-type, and described clamping washer has the endoporus that the outline with described axle sleeve is complementary, and is provided with the through hole corresponding to fastener hole.
Replenish as a kind of of above technical scheme, the outside of described stator is coated with the plastic insulation protective layer by the injection moulding mode.
A kind of production method of external-rotor-type stator, comprise the in-line arrangement winding clamp that the stator tooth for the clamping stator winds the line, described in-line arrangement winding clamp is strip, which is provided with a plurality of horizontal stator tooth fixed part for the base portion of vertically fixing described stator tooth, the quantity of described stator tooth fixed part is corresponding with the quantity of the stator tooth of described stator core, and described method is further comprising the steps of:
1) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, process a plurality of by the stacking independently I-shaped stator tooth that forms of silicon steel sheet with impact style;
2) described stator tooth is positioned over successively forms in-line arrangement in the stator tooth fixed part of in-line arrangement winding clamp and arrange;
3) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, produce the banded insulating case that is of sidewall connection in the injection moulding mode;
4) the tooth section of the stator tooth in being placed into the in-line arrangement winding clamp covers insulating case;
5) at the tooth section of the stator tooth that the is coated with insulating case formation stator winding that winds the line, and it is for subsequent use to reserve winding leads;
6) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, produce stator seat;
7) stator tooth after coiling is finished takes out, and puts into behind the circumflexion on the stator seat and fixing;
8) after stator tooth being fixed on the described stator seat, stator is carried out plastic packaging process, form the plastic insulation protective layer of stator outside.
Replenish as a kind of of above technical scheme, described in-line arrangement winding clamp is comprised of with the aluminium seat that is used for fixing described magnetic the magnetic of the stator tooth fixed part that a plurality of lateral profiles that have with described stator tooth magnetic pole piece are complementary, described magnetic afterbody has the coil that energising can produce magnetic force, and magnetic force being fixed on its stator tooth fixed part described stator tooth that produces by described coil.
Replenish as a kind of of above technical scheme, described in-line arrangement winding clamp comprises the jig main body of strip, have a plurality of horizontal vertical dovetail grooves that the outer end profile with described magnetic pole piece is complementary on the described jig main body, described groove consists of described stator tooth fixed part, the bottom lock of described stator tooth fixed part, top have the opening that passes through for described magnetic pole piece.
The invention has the beneficial effects as follows:
For above situation, the invention provides a kind of external rotor type stator and production method thereof, described stator has independently stator tooth, and when producing, by a special fixtures all single stator tooth five equilibriums of motor stator that form garden shape are lined up an in-line arrangement state, and the spacing minimally of the stator tooth that each stator tooth is adjacent with its left and right sides reduces easily, the stator tooth of lining up the in-line arrangement shape at five equilibrium again covers up and down the plastic cement insulating case that cooperates with stator tooth spread geometry negative and positive, and finishes after the quick coiling more crooked conglobate iron core winding and integral body is fixed on pedestal and the axle sleeve with straight method for winding.The efficient of motor be can improve widely with the magneto of the method production, vibration and operating noise reduced; Particularly because can make the stator winding that adopts fine line diameter and the high number of turn to produce reach the design effect of tankful with the method, it also is applicable to produce the motor of high working voltage.
Description of drawings
Fig. 1 is the assembling schematic diagram of stator among the present invention;
Fig. 2 is the schematic diagram of arranging that forms the stator tooth of stator among the present invention;
Fig. 3 is the cutaway view of stator seat among the present invention;
Fig. 4 is the assembling schematic diagram of stator seat among the present invention;
Fig. 5 is the vertical view of an embodiment of in-line arrangement winding clamp among the present invention;
Fig. 6 is stator tooth and the assembling schematic diagram of insulating case on in-line arrangement winding clamp shown in Figure 4 among the present invention;
Fig. 7 is the stator tooth schematic diagram after in-line arrangement winding clamp shown in Figure 4 winds the line among the present invention;
Fig. 8 is the partial enlarged drawing at A place among Fig. 6;
Fig. 9 is the partial enlarged drawing at B place among Fig. 6;
Figure 10 is the schematic diagram of clamping washer among the present invention;
Figure 11 is circumflexion but be not fixed on the schematic diagram of the stator tooth on the stator seat among the present invention;
Figure 12 is the schematic diagram of stator after plastic packaging is processed among the present invention;
Figure 13 is the structural representation of magnetic among the embodiment of in-line arrangement winding clamp among the present invention;
Figure 14 is the structural representation of aluminium frame among the embodiment of in-line arrangement winding clamp among the present invention;
Figure 15 is Figure 13 and in-line arrangement winding clamp shown in Figure 14 and the assembling schematic diagram of stator tooth among the present invention.
Embodiment
As shown in Figure 1, a kind of external-rotor-type stator proposed by the invention comprises the stator core 1 that is formed by the silicon steel sheet stack, the stator seat 3 that is wrapped in the stator winding 2 on the described stator core 1 and is used for fixing described stator core 1.Wherein, stator core 1 is comprised of a plurality of I-shaped independent stator tooths 11 of arranging circlewise, here the meaning of " independence " refers to that each stator tooth 11 all is the separate unit that processes separately, and the silicon steel sheet that forms a stator tooth is not connected with the silicon steel sheet of other stator tooth.The position of stator tooth 11 is fixed by stator seat 3.Further refinement, with reference to Fig. 2, stator tooth 11 comprises the base portion 111 that consists of centre bore 12, tooth section 112 and the magnetic pole piece 113 that supplies coiling from inside to outside, also be provided with the gap 114 towards the outer ring between two adjacent described stator tooths 11, also be provided with the fastener hole 115 that runs through on the base portion 111 of described stator tooth 11, the screw 33 that passes this fastener hole 115 is fixed on stator tooth 11 on the stator seat 3.
As shown in Figure 1, be provided with the insulating case 4 that insulating material is made between stator 1 and the stator winding 2, its sidewall connects and is ribbon, and bending is wrapped in the tooth section 112 of stator tooth 11 to reach the effect of insulation.In a preferred embodiment of the invention, with reference to Fig. 6, insulating case 4 can be comprised of upper insulating case 41 and the lower insulating case 42 of upper and lower of working in coordination and cover respectively the tooth section 112 of all stator tooths 11.Certainly, upper and lower insulating case 41,42 is sidewall and connects and be banded integral body in the present invention, and this makes independently that stator tooth is unlikely to scatter in assembling process, and this can further be described hereinafter.In addition, upper and lower insulating case 41,42 all is provided with U-lag 411 at the sidewall of between cog, and the change in its gap provides greatly certain elastic deformation surplus when arranging circlewise for stator tooth 11, makes things convenient for the Assembling Production of stator, shown in Fig. 8 and 9.Certainly, the flute profile on insulating case 4 sidewalls is U-shaped not necessarily, also can be other any shape that certain deformation can be provided, such as W shape.
In a preferred embodiment, shown in Fig. 3 and 4, stator seat 3 comprises steel axle sleeve 31, plastics screw seat 32 and iron base 33, its bottom bracket axle 31 has axis hole 311, the inner surface contour of the centre bore 12 of the outline of axle sleeve 31 and described stator core 1 is complementary, and the top of axle sleeve 31 and bottom all also are provided with the bearing position 312 of setting-in bearing.Screw seat 32 suits are fixed on axle sleeve 31 bottoms, and its top is provided with the circle screw hole 321 around described axle sleeve 31, and screw hole 321 is corresponding with the fixing hole 115 on the stator tooth 11.During assembling, axle sleeve 31 is inserted in the stator 1, and uses screw 33 by fixing hole 115 and screw hole 321 each stator tooth 11 to be fixed on the screw seat 32, and then realizes the setting to stator 1.Base 33 is plate-like, and is fixed on plastics screw seat 32 bottoms, and base 33 is located mutually by alignment pin and location hole with plastics screw seat 32, and axle sleeve 31 embeds to be realized in the base 33 fixing.
Alternatively, for strengthening fixed effect and reducing stress deformation, stator 1 top and bottom all can be set up the clamping washer 5 of ring-type.Referring to Fig. 1 and 10, clamping washer 5 comprises endoporus 51 and through hole 52, and wherein endoporus 51 is complementary with the outline of axle sleeve 31, and through hole 52 is around being distributed in endoporus 51 outsides and corresponding to fastener hole 115.
Alternatively, can be coated with the purpose that plastic insulation protective layer 6 reaches waterproof and reduces vibration and noise as far as possible by the injection moulding mode in the stator outside that assembles, as shown in figure 12.
The present invention also discloses a kind of production method for the production of the above outward rotation type stator, the method relates to the in-line arrangement winding clamp 7 that a stator tooth 11 that separates for clamping winds the line, as shown in Figure 5, in-line arrangement winding clamp 7 has the jig main body 72 of strip, have a plurality of vertical dovetail groove that is complementary with stator tooth 11 magnetic pole pieces 113 outer end profiles on the jig main body 72 and consist of stator tooth fixed part 71, the quantity of groove conforms to needed stator tooth 11 quantity of single stator, the groove level evenly distributes, and its spacing is decided according to the design size of the gap 114 of stator 1.In addition, the bottom lock of groove, its top has the opening that passes through for described stator tooth magnetic pole piece 113.
Based on this kind anchor clamps, stator production method provided by the present invention is further comprising the steps of:
At first, according to the dimensions of outward rotation type stator and the spacing requirement between stator tooth, process a plurality of by the stacking independently I-shaped stator tooth 11 that forms of silicon steel sheet with impact style.
Then stator tooth 11 is positioned in the in-line arrangement winding clamp 7 successively, the bottom lock of in-line arrangement winding clamp 7, and adopted the groove of swallow-tail form is five equilibrium after the anchor clamps and horizontally can't drops out anchor clamps to guarantee that stator tooth 11 is put into.
According to the dimensions of outward rotation type stator and the spacing requirement between stator tooth, produce the banded insulating case 4 that is of sidewall connection in the injection moulding mode, in this embodiment, insulating case 4 is comprised of upper insulating case 41 and the lower insulating case 42 of upper and lower of working in coordination and cover respectively the tooth section 112 of all stator tooths 11, as shown in Figure 6.
Then the tooth section 112 at the stator tooth 11 that is placed into in-line arrangement winding clamp 6 covers insulating case 4, in this embodiment, upper insulating case 41 and lower insulating case 42 are inserted in from the above and below of stator tooth 11 respectively, form mutually the fully covering to tooth section 112 after the coupling, shown in Fig. 6 and 7.
Then wind the line in the tooth section 112 of the stator tooth 11 that is coated with insulating case 4 and form stator winding 2, and it is for subsequent use to reserve winding leads, as shown in Figure 7.
According to the dimensions of outward rotation type stator and the spacing requirement between stator tooth, produce the assembly of stator seat 3, the luggage of going forward side by side is joined, shown in Fig. 3 and 4.
In some optional embodiments, stator tooth 11 is being fixed in the step of stator seat 3, can add clamping washer 5 at stator tooth 11 upper and lowers of circumflexion, strengthen structural strength and reduce stress deformation.Certainly, can increase an injection step in the later stage of producing, outside the stator that assembles, to increase one deck plastic insulation protective layer 6, reach waterproof and the purpose of try one's best minimizing vibration and noise, as shown in figure 12.
In addition, in above-described step, manufacturer can adjust some order of steps, such as carrying out simultaneously the production of stator tooth 11, insulating case 4 and stator seat 3, assembles successively again.
In-line arrangement winding clamp 7 of the present invention has another preferred embodiment, shown in Figure 13-15, in-line arrangement winding clamp 7 is comprised of a plurality of magnetic 73 and 74 of aluminium seats that are used for fixing described magnetic 73, wherein magnetic 73 has the stator tooth fixed part 71 that the outer end profile with magnetic pole piece 113 is complementary, magnetic 73 afterbodys have the coil 731 that energising can produce magnetic force, in this embodiment magnetic force being fixed on its stator tooth fixed part 71 described stator tooth 11 that produce by described coil 731 of in-line arrangement winding clamp 7.Adopt production process and the aforesaid production process of these anchor clamps basic identical.
The above is the preferred embodiment of the present invention, and it does not consist of limiting the scope of the invention, so long as realize that with essentially identical means purpose of the present invention all should belong to protection scope of the present invention.
Claims (6)
1. the production method of an external-rotor-type stator, described external-rotor-type stator comprises the stator core (1) that is formed by silicon steel sheet stack and is wrapped in stator winding (2) on the described stator core (1), described stator also contains the stator seat (3) in the centre bore (12) that is inserted into described stator core (1), described stator core (1) is comprised of a plurality of independently I-shaped stator tooths (11) of arranging circlewise and being fixed on the described stator seat (3), described stator tooth (11) comprises the base portion (111) that consists of centre bore (12) from inside to outside, tooth section (112) and magnetic pole piece (113) for coiling, be provided with the gap (114) towards the outer ring between two adjacent described stator tooths (11), also be provided with the fastener hole (115) that runs through on the base portion (111) of described stator tooth (11); Described method is characterised in that, the in-line arrangement winding clamp (7) that it has adopted the stator tooth (11) of clamping stator to wind the line, described in-line arrangement winding clamp (7) is strip, which is provided with a plurality of horizontal stator tooth fixed part (71) for the magnetic pole piece (113) of vertically fixing described stator tooth (11), the quantity of described stator tooth fixed part (71) is corresponding with the quantity of the stator tooth (11) of described stator core (1); Described method is further comprising the steps of:
1) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, process a plurality of by the stacking independently I-shaped stator tooth (11) that forms of silicon steel sheet with impact style;
2) the upper in-line arrangement that forms of stator tooth fixed part (71) that described stator tooth (11) is fixed in successively in-line arrangement winding clamp (7) is arranged;
3) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, be banded insulating case (4) with what the injection moulding mode produced that sidewall connects;
4) the tooth section (112) of the stator tooth (11) in being placed into in-line arrangement winding clamp (7) covers insulating case (4);
5) wind the line in the tooth section (112) of the stator tooth that is coated with insulating case (4) (11) and form stator winding (2), and it is for subsequent use to reserve winding leads;
6) according to the dimensions of external-rotor-type stator and the spacing requirement between stator tooth, produce stator seat (3);
7) stator tooth (11) after coiling is finished takes out, and puts into stator seat (3) behind the circumflexion upper and fixing;
8) after stator tooth (11) being fixed on the described stator seat (3), stator is carried out plastic packaging process, form the plastic insulation protective layer (6) of stator outside.
2. method according to claim 1, it is characterized in that: described in-line arrangement winding clamp (7) comprises the jig main body (72) of strip, have a plurality of horizontal vertical dovetail grooves that the outer end profile with magnetic pole piece (113) is complementary on the described jig main body (76), described groove consists of described stator tooth fixed part (71), the bottom lock of described stator tooth fixed part (71), top have the opening that passes through for described magnetic pole piece (113).
3. method according to claim 1, it is characterized in that: described in-line arrangement winding clamp (7) is comprised of with the aluminium seat (74) that is used for fixing described magnetic (73) the magnetic (73) of the stator tooth fixed part (71) that a plurality of lateral profiles that have with described stator tooth (11) magnetic pole piece (113) are complementary, described magnetic (73) afterbody has the coil (731) that energising can produce magnetic force, and by the magnetic force that described coil (731) produces described stator tooth (11) is fixed on its stator tooth fixed part (71).
4. method according to claim 1, it is characterized in that: described insulating case (4) is comprised of the upper and lower insulating case (41,42) of upper and lower of working in coordination and cover respectively the tooth section (112) of all stator tooths (11), and described upper and lower insulating case (41,42) is sidewall and connects and be banded integral body.
5. method according to claim 1, it is characterized in that: described stator seat (3) comprises steel axle sleeve (31), the iron base (33) that suit is fixed on the plastics screw seat (32) of described axle sleeve (31) bottom and is fixed on described screw seat (32) bottom, the center of wherein said axle sleeve (31) is provided with axis hole (311), centre bore (12) inner surface contour of the outline of described axle sleeve (31) and described stator core (1) is complementary, the top of described axle sleeve (31) and bottom are equipped with the bearing position (312) of setting-in bearing, and described screw seat (32) top is provided with the screw hole (321) of the fastener hole (115) on the corresponding described stator tooth (11); Described axle sleeve (31) is inlaid in the described stator core (1), and each stator tooth (11) all is fixed in the upper stator core (1) that consists of ring-type of described screw seat (32) by the screw (33) that passes described fastener hole (115) and screw hole (321).
6. method according to claim 5, it is characterized in that: the top and bottom of described stator core (1) is equipped with the clamping washer (5) of ring-type, described clamping washer (5) has the endoporus (51) that the outline with described axle sleeve (31) is complementary, and is provided with the through hole (52) corresponding to fastener hole (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210002481 CN102545414B (en) | 2012-01-04 | 2012-01-04 | Externally rotating stator and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210002481 CN102545414B (en) | 2012-01-04 | 2012-01-04 | Externally rotating stator and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102545414A CN102545414A (en) | 2012-07-04 |
| CN102545414B true CN102545414B (en) | 2013-10-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166338B (en) * | 2013-03-19 | 2015-07-08 | 杭州杰能动力有限公司 | Manufacturing method of switch reluctance (SR) external rotor motor |
| CN103997175A (en) * | 2014-06-04 | 2014-08-20 | 北斗航天（北京）卫星传输技术服务有限公司 | External rotor motor capable of conducting winding independently |
| CN204615524U (en) * | 2015-04-28 | 2015-09-02 | 中山大洋电机制造有限公司 | A kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof |
| CN108861864A (en) * | 2018-07-23 | 2018-11-23 | 深圳市专诚达机电设备有限公司 | Mechanism to be expected |
| CN114598116B (en) * | 2022-03-18 | 2023-09-15 | 北京航空航天大学宁波创新研究院 | Stator core assembly fixture and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100219132B1 (en) * | 1995-08-25 | 1999-09-01 | 윤종용 | Stator of motor |
| CN1282133A (en) * | 1999-07-22 | 2001-01-31 | 许俊甫 | High-efficiency high-torsion and high-support outer rotor motor |
| CN2888726Y (en) * | 2006-02-24 | 2007-04-11 | 哈尔滨工业大学 | PM motor with plug-in internal stator |
| CN101951038A (en) * | 2010-09-13 | 2011-01-19 | 浙江西子富沃德电机有限公司 | Motor stator core and manufacturing method thereof |
| CN102185391B (en) * | 2011-05-13 | 2013-01-30 | 鹤山市明可达实业有限公司 | Motor stator and production method thereof |
| CN202616891U (en) * | 2012-01-04 | 2012-12-19 | 鹤山市明可达实业有限公司 | Outward turning type stator |
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