CN106160371A - A kind of motor stator entirety rule forming method - Google Patents

A kind of motor stator entirety rule forming method Download PDF

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Publication number
CN106160371A
CN106160371A CN201610542945.5A CN201610542945A CN106160371A CN 106160371 A CN106160371 A CN 106160371A CN 201610542945 A CN201610542945 A CN 201610542945A CN 106160371 A CN106160371 A CN 106160371A
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China
Prior art keywords
winding
motor stator
whole
embedding
molding
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CN201610542945.5A
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Chinese (zh)
Inventor
朱利湘
王冬梅
晏才松
刘焕
李广
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CRRC Zhuzhou Electric Co Ltd
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CRRC Zhuzhou Electric Co Ltd
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Priority to CN201610542945.5A priority Critical patent/CN106160371A/en
Publication of CN106160371A publication Critical patent/CN106160371A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/06Embedding prefabricated windings in machines
    • H02K15/062Windings in slots; salient pole windings
    • H02K15/065Windings consisting of complete sections, e.g. coils, waves

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

A kind of motor stator entirety coil-inserting method, first with enamel-covered wire around being bundled into whole embedding molding winding, then takes the mode of overall embedding to embed in motor stator opening line embedding groove by whole embedding molding winding;Described is first to turn to single winding with enamel-covered wire with enamel-covered wire around being bundled into whole embedding molding winding, and by mould, winding is fixed, molding, make around consisting of the whole embedding molding winding matched with motor stator opening line embedding groove, more directly entirety is embedded in motor stator opening line embedding groove.The present invention uses whole embedding molding winding entirety to be directly embedded in open slot, and winding can carry out coiling the most from inside to outside, and coils arrangement is neat, and now winding overhang size is shorter, and the problem not having to intersect, interfere;The copper factor of whole embedding molding winding can reach more than 90%.

Description

A kind of motor stator entirety rule forming method
Technical field
The present invention relates to the parts manufacture method of a kind of motor, especially relate to the rule side of a kind of motor stator winding Method, is mainly used in the rule of motor stator winding;Belong to technical field of motor manufacture.
Background technology:
Motor is formed by stator and rotor combination, and wherein motor stator is the actionless part of motor.Stator is by fixed Sub-iron core, stator winding and support or mandrel three part composition.The stator winding of motor stator according to the shape of coil winding with Setting-in wire laying mode is different, can be divided into centralized and distributed two classes.According to setting-in wiring spread pattern difference, distributed around Group can be divided into again concentric type and stacked two class.
(1) Concentrical winding: Concentrical winding is several square coils that vary in size of same coil groups, in same The position of the heart is embedded in one by one and is arranged in three-back-shaped pattern.Concentrical winding divides again monolayer and multilamellar.General single term motor and The stator winding of part small-power triphase asynchronous motor uses this pattern.
(2) stacked winding: stacked winding is the shape size identical (single double-round exception) of all coils, respectively with often Groove one coil side of setting-in, and the equally distributed pattern that changes mutually in groove outer end.Stacked winding divides again monolayer stacked with double Overlapping waded two kinds.In every groove the most embedding coil side for monolayer stacked winding, or claim single repeatedly winding, embedding two of every groove to belong to not Coil side (point levels) with coil groups is double-deck stacked winding, or claims double repeatedly winding.Stacked winding is due to setting-in wiring side The change difference of formula, has again the arrangement of single double-round cross wire to connect up dividing of arrangement with single two-layer hybrid;Additionally, from winding overhang Setting-in shape is referred to as basket winding, basket winding, the most all belongs to stacked winding.The stator winding of general threephase asynchronous More employing stacked winding.
At present on large-size machine, the most large-scale traction electric machine, motor winding is generally double-decker, around component layers side Formula mostly is lower leaf, and this setting-in wire laying mode is under conditions of winding pitch is 1, and this layered mode can make winding overhang Length is longer, increases the axial dimension of motor, and especially in traction electric machine designs, motor space is limited by bogie, electricity Machine need to play torque capacity in confined space size, shortens end turn length and can effectively shorten motor volume, alleviates motor Weight;Being the Double Layer Winding of 1 simultaneously for pitch, each winding of motor is only wound around a tooth, according to upper and lower layered mode, then Have adjacent winding and produce the problem interfered of occuring simultaneously in end.Additionally, the many semi-open slots of opening of the line embedding groove of current stator, groove Type is that opening part is narrow, the T-shaped toothing that the inside is wider, and whole embedding molding winding cannot be nested in T-shaped by this line embedding groove On tooth iron core.Winding can only be one puts in open slot.This scattered embedding winding is not only time-consuming when stator assembles Arduously, also making the arrangement between each winding loosely, copper factor is not the highest.The setting-in cloth of the most existing upper lower leaf Line still comes with some shortcomings: need to be improved further.
It is not found to have the patent literature constructed with the present invention by patent retrieval, has certain relation with the present invention Patent mainly have following:
1, Patent No. CN201510016652.9, the patent of invention of entitled " a kind of double-winding motor stator ", this patent is public Having opened a kind of double-winding motor stator, including stator body, winding A, winding B and insulating barrier, described stator body is centralized Winding construction, the groove number of described stator body is even bin;Winding A and winding all it is wound around in each teeth portion of described stator body Winding A on B, and two adjacent teeth portion and winding B ectonexine are alternately wound around, winding A in each groove described and winding B it Between all separate with insulating barrier.In this invention groove, interlayer Kapton separates, and end is wound around with 556 adhesive tapes, it is achieved double wrap Group completely isolated, double winding ectonexine replaces coiling, it is ensured that the concordance of double winding copper consumption, by institute's coiling around Between group A, winding B set, in groove, part and end sections are completely isolated, it is possible to ensure that double winding is completely independent, and resistance difference The least, within 0.27%, meet double winding resistance symmetrical requirements.
2, Patent No. CN201310203804.7, the patent of invention of entitled " a kind of double-winding motor structure ", this is special Profit discloses a kind of double-winding motor structure, including stator, rotor, first group of winding, second group of winding, stator be centralized around Group structure, number of stator slots is the multiple of 12, and number of stator slots is 3 to 2 or 6 to 5 with the ratio of rotor number of poles;When number of stator slots and rotor When the ratio of number of poles is 3 to 2, the phase contrast between two groups of windings is 0 degree, when the ratio of number of stator slots with rotor number of poles is 6 to 5, and two Phase contrast between group winding is 30 degree;First group of winding and second group of winding in each teeth portion of stator in the same direction according to U Phase, W phase, the order of V phase winding coil are wound, and two groups of winding coils are respectively alternately wound around in teeth portion one by one;Two groups around The winding coil of each corresponding phase of group is adjacent.This invention aims to the deficiency that prior art exists, it is provided that between a kind of winding Magnetic circuit is independent, it is achieved magnetic circuit decouples, and is conducive to the realization controlled, improves the double-winding motor structure of system effectiveness.
3, Patent No. CN201310071514.1, entitled " winding of a kind of simplex winding multispeed electric machine is around embedding method " Patent of invention, which disclose the winding of a kind of simplex winding multispeed electric machine around embedding method, by original coiling form be: 1 Coil groups be individually for totally 15 groups of 1 group, 2 coil combination around for totally 6 groups of 1 group, 3 coil combination around for 1 group totally 3 groups change For: former 1 coil groups+former 2 close coiling groups connect together with being coiled into 1+2 coil groups totally 6 groups, 3 former independent 1 coil groups around Become 1+1+1 coil groups totally 3 groups, former 3 close around coil groups constant;Adjust successively rule order, reduce threading difficulty back and forth, protect After card rule, winding distribution ratio is constant;The winding of the simplex winding multispeed electric machine of this scheme of the invention around embedding method, multispeed electric machine around Load and unload during line that winding former number of times is few, winding displacement time plumb joint is few, steady quality reliable, rule efficiency is high.
Though these patents above-mentioned be directed to motor winding around embedding method or structure, and also this is proposed Improve, but carefully analyze it appeared that these patents do not have positive true solution motor stator winding asking in the presence of embedding the most above Topic, the most still will appear from more foregoing problems, still needs to be improved further.
Summary of the invention
Present invention aims to the copper factor of existing motor stator winding motor winding in the presence of embedding not It is the highest, and the end of the winding construction of upper lower leaf is longer, have the problems such as interference each other, propose a kind of new motor Stator winding is around embedding method, and this motor stator winding both can realize coil entirety rule around embedding method, can improve again rule Copper factor, but also the end size of winding construction can be greatly shortened, improve the overall performance of motor.
In order to reach this purpose, the invention provides a kind of motor stator entirety coil-inserting method, first wrapped with enamel-covered wire Become whole embedding molding winding, more whole embedding molding winding is taked the mode of overall embedding embed in motor stator opening line embedding groove;Institute Stating is first to turn to single winding with enamel-covered wire with enamel-covered wire around being bundled into whole embedding molding winding, and is carried out winding by mould Fixing, molding, makes around consisting of the whole embedding molding winding matched with motor stator opening line embedding groove, more directly entirety is embedded in motor In stator openings line embedding groove.
Further, the described mode that whole embedding molding winding is taked overall embedding embeds motor stator opening line embedding groove In be the motor stator opening line embedding groove produced on motor stator and there is wide toothing;When embedding whole embedding molding winding, Coordinating with wide tooth inside whole embedding molding winding, whole embedding molding winding entirety is enclosed within the wide tooth of motor stator so that whole embedding Molding winding embeds in motor stator opening line embedding groove.
Further, it is to make on motor stator that described whole embedding molding winding embeds in motor stator opening line embedding groove Go out upper slot opening, the trapezoid-shaped openings line embedding groove that bottom land is narrow so that the stator built-in line tooth formed on motor stator becomes upper and lower The widest wide tooth, more whole embedding molding winding is taked left and right hierarchy form embed in motor stator opening line embedding groove.
Further, the described mode entirety embedding motor stator that whole embedding molding winding uses left and right hierarchy is opened Mouthful line embedding groove is to go out sectional area according to the structure fabrication of motor stator opening line embedding groove be motor stator opening line embedding groove cross section The whole embedding molding winding of long-pending half, more each group of whole embedding molding winding is enclosed within the wide tooth of motor stator, and make at one Being formed with two whole embedding molding windings of left and right hierarchy in motor stator opening line embedding groove, two whole embedding molding windings are with a left side Part that layer uh uh form is whole to be embedded in motor stator opening line embedding groove on the right side, the cross section that two whole embedding molding winding combination are formed for It is trapezoidal that motor stator opening line embedding groove matches.
Further, two described whole embedding molding windings are embedded in motor stator opening line embedding groove so that left and right layering is whole Time, it is provided with interlevel insulator between the layering of left and right, two whole embedding molding winding isolation that described left and right is layered by interlevel insulator Open, form mutually insulated structure.
Further, it is to make on motor stator that described whole embedding molding winding embeds in motor stator opening line embedding groove Go out the rectangular aperture line embedding groove that upper notch is wide as bottom land, and the stator built-in line tooth formed on motor stator is become The widest wide tooth, takes overall form of single sheet to embed in motor stator opening line embedding groove by whole embedding molding winding.
Further, described overall form of single sheet of being taked by whole embedding molding winding embeds in motor stator opening line embedding groove It is that first to go out sectional area according to the structure fabrication of motor stator opening line embedding groove be that motor stator opening line embedding groove sectional area is the same Whole embedding molding winding, more each group of whole embedding molding winding is enclosed within the wide tooth of motor stator, and just make whole embedding molding winding Embed well in motor stator opening line embedding groove, between each adjacent whole embedding molding winding, pass through the mistake that a little bottom of oral area is wide Cross tooth and give transition, to ensure that whole stator combination forms an annular ring structure.
Further, the top of described wide tooth has slot wedge mounting groove, at the slot wedge mounting groove at the top of wide tooth It is embedded in slot wedge, has stopped that whole embedding molding winding drops out by slot wedge.
Further, comprising the following steps of described motor stator entirety rule:
1) motor stator opening line embedding groove is made: on electronics iron core, produce out the motor stator opening with wide toothing Line embedding groove;And and output slot wedge mounting groove at the top of wide tooth;
2) coiling of single whole embedding molding winding: select self-binding enamel wire, turn to single winding by mould, and at mould Be fixed according to the shape of motor stator opening line embedding groove on tool, molding, produce whole embedding molding winding, and whole embedding molding around The end of a thread is left in the end of the wire of group;Or directly use sintered film copper strap wire around being bundled into whole embedding molding winding outside stator, While coiling, also the shape mould of whole embedding molding winding is carried out shaping so that the whole embedding molding winding of coiling closely pastes It is combined;
3) wrapped: with insulating tape, winding to be carried out colligation, thus the shape of winding is fixed;
4) binder removal is bakeed: when using self-binding enamel wire to make whole embedding molding winding, by the wrapped single winding fixed, send Entering baking oven to bakee, make whole embedding self binder removal of molding winding, the gap between wire is filled up completely with by the glue of discharge, makes whole embedding one-tenth Each wire in type winding becomes an entirety, will not scatter;
5) rule: whole embedding molding winding is directly sleeved on wide tooth, and a winding is enclosed within a wide tooth, and make every Individual open slot is all embedded with whole embedding molding winding;
6) winding is connected: be attached by the end of a thread reserved in each whole embedding molding winding, and the end of a thread junction is exposed Plain conductor insulating tape wrap up;
7) slot wedge is fixed: installs slot wedge in the slot wedge mounting groove on wide tooth, makes slot wedge be fixed on the wide tooth of adjacent two Slot wedge mounting groove in, whole for annular embedding molding winding is fixed in slot wedge motor stator opening line embedding groove.
Further, described step 2) in self-binding enamel wire when turning to single winding by mould, in coiling The most also the shape of wire is carried out shaping by mould so that the winding of coiling fits tightly together, and reach required Shape, thus reduce the space between each wire, improve copper factor.
Further, in described step 4), the autohension wire in winding is after bakeing binder removal, the insulator outside wire Merge, both made each wire define a firm entirety, made again the insulation after being fused between each wire Body separates.
It is an advantage of the current invention that:
The present invention uses whole embedding molding winding entirety to be directly embedded in open slot, owing to using tooth-shape structure and the employing of wide tooth Left and right layering or monolayer arrange whole embedding molding winding, the problem that can be prevented effectively from the intersection between winding, interference, and winding terminal Portion's size is shorter, enormously simplify wire insertion technology;Simultaneously as be outer around making winding at stator core in advance, and pass through mould Tool is fixed, molding, makes around consisting of whole embedding molding winding so that can closely stick together between winding wire and line, and Coils arrangement is neat, coordinates with wide tooth, be directly embedded in open slot inside whole embedding molding winding, can be effectively improved groove full Rate, copper factor can reach more than 90%, and general scattering set coil copper factor is 78%~80%, and the structure of whole embedding molding winding Rationally, mechanical strength is higher than scattering set coil, makes this structure improve running reliability of motor.
Accompanying drawing illustrates:
Fig. 1 is the rule flow chart of the present invention;
Fig. 2 is the partial structurtes schematic perspective view of one embodiment of the invention;
Fig. 3 is the partial lateral cross-sectional schematic of the present invention;
Motor stator schematic perspective view when Fig. 4 is to be unkitted slot wedge in Fig. 2;
Motor stator core schematic perspective view when Fig. 5 is not to be embedded in winding in Fig. 4;
Fig. 6 is stator core cross section structure schematic diagram of the present invention;
Fig. 7 is the partial structurtes schematic diagram of setting-in winding;
Fig. 8 is the stator structure schematic diagram of another embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment one
As shown in accompanying drawing 1-7, the motor stator of the overall rule of a kind of left and right layering, for electric motor internal stator, including stator core 1 He Winding 2, its feature is, the line embedding groove 3 of described stator core 1 is open slot, and rule tooth 4 is wide tooth;Described around Group 2 is whole embedding molding winding;Each whole embedding molding winding entirety is enclosed within the rule tooth of a stator core, and whole embedding molding Winding is arranged for left and right layering in the line embedding groove of stator core, is separated with insulation material between the whole embedding molding winding of left and right layering Material 5;At the top of the wide tooth of stator core, the lateral port position being positioned at line embedding groove has slot wedge mounting groove 6, and slot wedge is installed It is inserted with slot wedge 7 in groove, drops out by being layered the whole embedding molding winding of annular of setting about slot wedge 7 stop;Described whole embedding molding Winding uses self-binding enamel wire, by mould preliminary coiling molding, fixes through mould, after shaping, then is dried by winding Roasting solidification, makes whole embedding molding winding.
Motor stator production method is first with enamel-covered wire coiling winding, makes single winding, and is entered winding by mould Row is fixing, molding, makes around consisting of the whole embedding molding winding matched with motor stator opening line embedding groove, more directly entirety is embedded in electricity In machine stator opening line embedding groove.Concrete coil-inserting method is as follows:
1, motor stator opening line embedding groove is made: on motor stator core 1, produce motor stator opening line embedding groove 3, motor Stator openings line embedding groove 3 is the motor stator opening line embedding groove with wide toothing;Motor stator opening line embedding groove 3 is notch D2 width, trapezoid-shaped openings line embedding groove narrow for bottom land d1 so that the stator built-in line tooth 4 formed on motor stator is wide tooth;And Slot wedge mounting groove 6 is outputed at the top of wide tooth;
2, coiling winding: first with self-binding enamel wire or sintered film copper strap wire outside stator around being bundled into whole embedding molding winding 2, While coiling, also the shape mould of whole embedding molding winding is carried out shaping so that the whole embedding molding winding of coiling closely pastes It is combined, thus reduces the space between each self-binding enamel wire, improve copper factor;When carrying out shaping with mould, according to The half cross sectional shape of motor stator opening line embedding groove is fixed, molding, produces whole embedding molding winding, and whole embedding molding around The half cross sectional shape that cross sectional shape is motor stator opening line embedding groove of group, whole embedding molding winding profile is annular, in annular The width of side is wide with the width of wide tooth, and the end of a thread is left in enamel-covered wire end;
3, sizing: winding is carried out by the whole embedding molding winding insulating tape of forming colligation, thus to whole embedding molding winding Shape is fixed, it is ensured that the half section that cross sectional shape is motor stator opening line embedding groove of whole embedding molding winding;Described The inner edge that the outside that whole embedding molding winding outer ring is formed and inner ring are formed is the most diagonally disposed so that two whole embedding one-tenth When type winding is embedded in motor stator opening line embedding groove so that left and right layering is whole, the cross section that combination is formed for and motor stator opening It is trapezoidal that line embedding groove matches;
4, bakee binder removal: when using self-binding enamel wire, by around the single whole embedding molding winding wrapped, send into baking oven and dry Roasting, makes whole embedding self binder removal of molding winding, and the gap between wire is filled up completely with by the glue of discharge, makes each wire in winding become It is an entirety, will not scatter;Autohension wire in whole embedding molding winding is after bakeing binder removal, and the insulator outside enamel-covered wire melts Being combined, both made each enamel-covered wire define a firm entirety, make again after being fused between each enamel-covered wire is exhausted Edge body separates;
5, rule: the whole embedding molding winding of whole embedding molding winding is directly sleeved on wide tooth according to left and right hierarchy, and one Individual winding is to be enclosed within a wide rule tooth 4, and left and right layering in each motor stator opening line embedding groove is embedded with The whole embedding molding winding of two-layer;One of them winding 2 is on the left side, and another winding 2 is on the right;
6, layer insulation: the gap between embedding molding winding whole to two in motor stator opening line embedding groove uses layer insulation Body separates, and strengthens the insulating properties between adjacent winding;
7, slot wedge is fixed: the slot wedge mounting groove at the top of wide tooth is embedded in slot wedge, by slot wedge stop about layering arrange The whole embedding molding winding of annular drop out.
Embodiment two
Embodiment two is as the ultimate principle of embodiment one, and simply structure is different, for the electricity of a kind of monolayer entirety rule Machine stator, for outer stator of motor, including stator core 201 and winding 202, its feature is, the rule of described stator core Groove 203 is open slot, and rule tooth 204 is wide tooth;Described winding 202 is whole embedding molding winding;Each whole embedding molding Winding entirety is enclosed within the rule tooth of a stator core, and whole embedding molding winding is tied for monolayer in the line embedding groove of stator core Structure, at the top of the wide tooth of stator core, the lateral port position being positioned at line embedding groove has slot wedge mounting groove 206, and slot wedge is pacified It is inserted with slot wedge 207 in tankage 206, drops out by being layered the whole embedding molding winding of annular of setting about slot wedge 207 stop;Described Whole embedding molding winding uses sintered film copper strap wire to make, and is tentatively turned to winding by mould, then with mould to carrying out winding Carry out shaping, fix and make whole embedding molding winding, after bag insulating tape 205, the overall opening line embedding groove embedding stator core In.Concrete rule step is as follows:
1, motor stator opening line embedding groove is made: on motor stator core 201, produce motor stator opening line embedding groove 203, Motor stator opening line embedding groove 203 is the motor stator opening line embedding groove with wide toothing;Motor stator opening line embedding groove The rectangular aperture line embedding groove wide as lower bottom part for going out upper oral part so that the stator built-in line tooth formed on motor stator 204 is wide tooth;And output slot wedge mounting groove 206 at the top of wide tooth;Whole embedding molding winding just embeds motor stator and opens In mouth line embedding groove, pass through a wide transition tooth 208 in the little bottom of oral area between each adjacent whole embedding molding winding and give transition, To ensure that whole stator combination forms an annular ring structure;
2, coiling: first with sintered film copper strap wire outside stator around being bundled into whole embedding molding winding, also to whole while coiling The shape mould of embedding molding winding carries out shaping so that the whole embedding molding winding of coiling fits tightly together, thus reduces Space between each self-binding enamel wire, improves copper factor;When carrying out shaping with mould, according to motor stator opening line embedding groove Cross sectional shape be fixed, molding, produce whole embedding molding winding, and the cross sectional shape of whole embedding molding winding be motor stator The cross sectional shape of opening line embedding groove matches, and whole embedding molding winding profile is the width of annular, the width in annular inboard face and wide tooth Spending wide, the end of a thread is left in enamel-covered wire end;
3, sizing: winding is carried out by the whole embedding molding winding insulating tape of forming colligation, thus to whole embedding molding winding Shape is fixed, it is ensured that the cross section that cross sectional shape is motor stator opening line embedding groove of whole embedding molding winding matches;Described The profile that whole embedding molding winding outer ring is formed is identical with the cross section of motor stator opening line embedding groove so that whole embedding molding winding with Form of single sheet is whole when being embedded in motor stator opening line embedding groove, is just embedded in motor stator opening line embedding groove;
4, rule: the whole embedding molding winding of whole embedding molding winding is directly sleeved on wide tooth according to left and right hierarchy, and one Individual winding is to be enclosed within a wide tooth, and makes to be embedded with a whole embedding molding of monolayer in each motor stator opening line embedding groove Winding;
5, slot wedge is fixed: the slot wedge mounting groove 206 at the top of wide tooth is embedded in slot wedge 207, by slot wedge stop about point The whole embedding molding winding of annular that layer is arranged drops out.
Above-mentioned listed embodiment, simply combines accompanying drawing and technical scheme is carried out clear, complete description;Aobvious So, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention Embodiment, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, all Belong to the scope of protection of the invention.
It will be apparent that it is clear that the present invention can be attributed to, to relate to a kind of motor stator whole by the description of embodiment Body coil-inserting method, first with enamel-covered wire around being bundled into whole embedding molding winding, then takes the overall mode embedded embedding by whole embedding molding winding Enter in motor stator opening line embedding groove;Described with enamel-covered wire around be bundled into whole embedding molding winding be first turn to enamel-covered wire single Winding, and by mould, winding is fixed, molding, make around consist of match with motor stator opening line embedding groove whole embedding become Type winding, more directly entirety is embedded in motor stator opening line embedding groove.
Further, the described mode that whole embedding molding winding is taked overall embedding embeds motor stator opening line embedding groove In be the motor stator opening line embedding groove produced on motor stator and there is wide toothing;When embedding whole embedding molding winding, Coordinating with wide tooth inside whole embedding molding winding, whole embedding molding winding entirety is enclosed within the wide tooth of motor stator so that whole embedding Molding winding embeds in motor stator opening line embedding groove.
Further, it is to make on motor stator that described whole embedding molding winding embeds in motor stator opening line embedding groove Go out upper slot opening, the trapezoid-shaped openings line embedding groove that bottom land is narrow so that the stator built-in line tooth formed on motor stator becomes upper and lower The widest wide tooth, more whole embedding molding winding is taked left and right hierarchy form embed in motor stator opening line embedding groove.
Further, the described mode entirety embedding motor stator that whole embedding molding winding uses left and right hierarchy is opened Mouthful line embedding groove is to go out sectional area according to the structure fabrication of motor stator opening line embedding groove be motor stator opening line embedding groove cross section The whole embedding molding winding of long-pending half, more each group of whole embedding molding winding is enclosed within the wide tooth of motor stator, and make at one Being formed with two whole embedding molding windings of left and right hierarchy in motor stator opening line embedding groove, two whole embedding molding windings are with a left side Part that layer uh uh form is whole to be embedded in motor stator opening line embedding groove on the right side, the cross section that two whole embedding molding winding combination are formed for It is trapezoidal that motor stator opening line embedding groove matches.
Further, two described whole embedding molding windings are embedded in motor stator opening line embedding groove so that left and right layering is whole Time, it is provided with interlevel insulator between the layering of left and right, two whole embedding molding winding isolation that described left and right is layered by interlevel insulator Open, form mutually insulated structure.
Further, it is to make on motor stator that described whole embedding molding winding embeds in motor stator opening line embedding groove Go out the rectangular aperture line embedding groove that upper notch is wide as bottom land, and the stator built-in line tooth formed on motor stator is become The widest wide tooth, takes overall form of single sheet to embed in motor stator opening line embedding groove by whole embedding molding winding.
Further, described overall form of single sheet of being taked by whole embedding molding winding embeds in motor stator opening line embedding groove It is that first to go out sectional area according to the structure fabrication of motor stator opening line embedding groove be that motor stator opening line embedding groove sectional area is the same Whole embedding molding winding, more each group of whole embedding molding winding is enclosed within the wide tooth of motor stator, and just make whole embedding molding winding Embed well in motor stator opening line embedding groove, between each adjacent whole embedding molding winding, pass through the mistake that a little bottom of oral area is wide Cross tooth and give transition, to ensure that whole stator combination forms an annular ring structure.
Further, the top of described wide tooth has slot wedge mounting groove, at the slot wedge mounting groove at the top of wide tooth It is embedded in slot wedge, has stopped that whole embedding molding winding drops out by slot wedge.
Further, comprising the following steps of described motor stator entirety rule:
1) motor stator opening line embedding groove is made: on electronics iron core, produce out the motor stator opening with wide toothing Line embedding groove;And and output slot wedge mounting groove at the top of wide tooth;
2) coiling of single whole embedding molding winding: select self-binding enamel wire, turn to single winding by mould, and at mould Be fixed according to the shape of motor stator opening line embedding groove on tool, molding, produce whole embedding molding winding, and whole embedding molding around The end of a thread is left in the end of the wire of group;Or directly use sintered film copper strap wire around being bundled into whole embedding molding winding outside stator, While coiling, also the shape mould of whole embedding molding winding is carried out shaping so that the whole embedding molding winding of coiling closely pastes It is combined;
3) wrapped: with insulating tape, winding to be carried out colligation, thus the shape of winding is fixed;
4) binder removal is bakeed: when using self-binding enamel wire to make whole embedding molding winding, by the wrapped single winding fixed, send Entering baking oven to bakee, make whole embedding self binder removal of molding winding, the gap between wire is filled up completely with by the glue of discharge, makes whole embedding one-tenth Each wire in type winding becomes an entirety, will not scatter;
5) rule: whole embedding molding winding is directly sleeved on wide tooth, and a winding is enclosed within a wide tooth, and make every Individual open slot is all embedded with whole embedding molding winding;
6) winding is connected: be attached by the end of a thread reserved in each whole embedding molding winding, and the end of a thread junction is exposed Plain conductor insulating tape wrap up;
7) slot wedge is fixed: installs slot wedge in the slot wedge mounting groove on wide tooth, makes slot wedge be fixed on the wide tooth of adjacent two Slot wedge mounting groove in, whole for annular embedding molding winding is fixed in slot wedge motor stator opening line embedding groove.
Further, described step 2) in self-binding enamel wire when turning to single winding by mould, in coiling The most also the shape of wire is carried out shaping by mould so that the winding of coiling fits tightly together, and reach required Shape, thus reduce the space between each wire, improve copper factor.
Further, in described step 4), the autohension wire in winding is after bakeing binder removal, the insulator outside wire Merge, both made each wire define a firm entirety, made again the insulation after being fused between each wire Body separates.
It is an advantage of the current invention that:
The present invention uses whole embedding molding winding entirety to be directly embedded in open slot, owing to using tooth-shape structure and the employing of wide tooth Left and right layering or monolayer arrange whole embedding molding winding, the problem that can be prevented effectively from the intersection between winding, interference, and winding terminal Portion's size is shorter, enormously simplify wire insertion technology;Simultaneously as be outer around making winding at stator core in advance, and pass through mould Tool is fixed, molding, makes around consisting of whole embedding molding winding so that can closely stick together between winding wire and line, and Coils arrangement is neat, coordinates with wide tooth, be directly embedded in open slot inside whole embedding molding winding, can be effectively improved groove full Rate, copper factor can reach more than 90%, and general scattering set coil copper factor is 78%~80%, and the structure of whole embedding molding winding Rationally, mechanical strength is higher than scattering set coil, makes this structure improve running reliability of motor.There is following Some features:
1, the rule tooth of the present invention is wide parallel teeth, when using this structure, winding can be made to use mould coiling, molding, make Winding construction is simple, and winding overhang size is shorter, simultaneously because winding is molding structure, improves rule circle copper factor, with And winding operational reliability.
2, the present invention uses the double-decker that splits of left and right or single layer structure, can be prevented effectively from the intersection between winding, The problem interfered, can shorten winding overhang size simultaneously further, improves the space availability ratio of stator.
3, when the present invention uses whole embedding molding winding inserting structure, concentratred winding is molding structure, and winding can be overall embedding Line, is possible not only to make rule simple, it is thus also avoided that during rule, winding is produced damage, improves running reliability of motor.
4, motor stator core groove is open slot, and coil, during rule, can be directly embedded in groove, it is not necessary to shaping, Simple in construction, processing ease, simultaneously because coil is through curing molding, integraty is good, improves operational reliability.

Claims (10)

1. a motor stator entirety coil-inserting method, it is characterised in that first with enamel-covered wire around being bundled into whole embedding molding winding, then by whole Embedding molding winding takes the mode of overall embedding to embed in motor stator opening line embedding groove;Described is whole embedding around being bundled into enamel-covered wire Molding winding is first to turn to single winding with enamel-covered wire, and by mould, winding is fixed, molding, make around consist of with The whole embedding molding winding that motor stator opening line embedding groove matches, more directly entirety is embedded in motor stator opening line embedding groove.
2. motor stator entirety coil-inserting method as claimed in claim 1, it is characterised in that described adopts whole embedding molding winding Round the mode that body embeds to embed motor stator opening line embedding groove is produced on motor stator there is wide toothing Motor stator opening line embedding groove;When embedding whole embedding molding winding, coordinate with wide tooth inside whole embedding molding winding, whole embedding molding around Group entirety is enclosed within the wide tooth of motor stator so that whole embedding molding winding embeds in motor stator opening line embedding groove.
3. motor stator entirety coil-inserting method as claimed in claim 2, it is characterised in that described whole embedding molding winding embeds Motor stator opening line embedding groove is to produce slot opening on motor stator, the trapezoid-shaped openings line embedding groove that bottom land is narrow so that The stator built-in line tooth formed on motor stator becomes the widest wide tooth, more whole embedding molding winding is taked left and right Hierarchy form embeds in motor stator opening line embedding groove.
4. motor stator entirety coil-inserting method as claimed in claim 3, it is characterised in that described adopts whole embedding molding winding Embedding in motor stator opening line embedding groove by the mode entirety of left and right hierarchy is the knot according to motor stator opening line embedding groove The whole embedding molding winding that sectional area is motor stator opening line embedding groove sectional area half is made in body plan, then by each group of whole embedding molding Winding is enclosed within the wide tooth of motor stator, and makes to be formed with left and right hierarchy in a motor stator opening line embedding groove Two whole embedding molding windings, two whole embedding molding windings are embedded in motor stator opening line embedding groove so that left and right layering is whole, combine institute The cross section formed is trapezoidal with what motor stator opening line embedding groove matched.
5. motor stator entirety coil-inserting method as claimed in claim 4, it is characterised in that two described whole embedding molding windings When being embedded in motor stator opening line embedding groove so that left and right layering is whole, between the layering of left and right, it is provided with interlevel insulator, interlevel insulator Two the whole embedding molding windings being layered described left and right are kept apart, and form mutually insulated structure.
6. motor stator entirety coil-inserting method as claimed in claim 2, it is characterised in that described whole embedding molding winding embeds Motor stator opening line embedding groove is on motor stator, produce the rectangular aperture line embedding groove that upper oral part is wide as lower bottom part, And make the stator built-in line tooth formed on motor stator become the widest wide tooth, whole embedding molding winding is taked Overall form of single sheet embeds in motor stator opening line embedding groove.
7. motor stator entirety coil-inserting method as claimed in claim 6, it is characterised in that described adopts whole embedding molding winding Rounding body form of single sheet and embedding in motor stator opening line embedding groove is first to go out according to the structure fabrication of motor stator opening line embedding groove Sectional area is the whole embedding molding winding that motor stator opening line embedding groove sectional area is the same, then is enclosed within by each group of whole embedding molding winding On the wide tooth of motor stator, and whole embedding molding winding is made just to embed in motor stator opening line embedding groove, each adjacent whole Transition is given by the transition tooth that little bottom of oral area is wide, to ensure that whole stator combination forms one between embedding molding winding Annular ring structure.
8. motor stator entirety coil-inserting method as claimed in claim 7, it is characterised in that the top of described wide tooth has Slot wedge mounting groove, the slot wedge mounting groove at the top of wide tooth has been embedded in slot wedge, stops that whole embedding molding winding falls by slot wedge Go out.
9. motor stator entirety coil-inserting method as claimed in claim 1, it is characterised in that described motor stator entirety rule Comprise the following steps:
1) motor stator opening line embedding groove is made: on electronics iron core, produce out the motor stator opening with wide toothing Line embedding groove;And and output slot wedge mounting groove at the top of wide tooth;
2) coiling of single whole embedding molding winding: select self-binding enamel wire, turn to single winding by mould, and at mould Be fixed according to the shape of motor stator opening line embedding groove on tool, molding, produce whole embedding molding winding, and whole embedding molding around The end of a thread is left in the end of the wire of group;Or directly use sintered film copper strap wire around being bundled into whole embedding molding winding outside stator, While coiling, also the shape mould of whole embedding molding winding is carried out shaping so that the whole embedding molding winding of coiling closely pastes It is combined;
3) wrapped: with insulating tape, winding to be carried out colligation, thus the shape of winding is fixed;
4) binder removal is bakeed: when using self-binding enamel wire to make whole embedding molding winding, by the wrapped single winding fixed, send Entering baking oven to bakee, make whole embedding self binder removal of molding winding, the gap between wire is filled up completely with by the glue of discharge, makes whole embedding one-tenth Each wire in type winding becomes an entirety, will not scatter;
5) rule: whole embedding molding winding is directly sleeved on wide tooth, and a winding is enclosed within a wide tooth, and make every Individual open slot is all embedded with whole embedding molding winding;
6) winding is connected: be attached by the end of a thread reserved in each whole embedding molding winding, and the end of a thread junction is exposed Plain conductor insulating tape wrap up;
7) slot wedge is fixed: installs slot wedge in the slot wedge mounting groove on wide tooth, makes slot wedge be fixed on the wide tooth of adjacent two Slot wedge mounting groove in, whole for annular embedding molding winding is fixed in slot wedge motor stator opening line embedding groove.
10. motor stator entirety coil-inserting method as claimed in claim 9, it is characterised in that described step 2) in autohension When enamel-covered wire turns to single winding by mould, while coiling, also the shape of wire is carried out shaping by mould, make The winding obtaining coiling fits tightly together, and the shape required by arrival, thus reduces the space between each wire, improves Copper factor;In described step 4), the autohension wire in winding is after bakeing binder removal, and the insulator outside wire merges, Both make each wire define a firm entirety, and make again the insulator after being fused between each wire separate.
CN201610542945.5A 2016-07-12 2016-07-12 A kind of motor stator entirety rule forming method Pending CN106160371A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114421663A (en) * 2021-11-16 2022-04-29 上海电机系统节能工程技术研究中心有限公司 Motor rotor, motor and equipment
US11431232B2 (en) 2018-08-31 2022-08-30 Huizhou Lingbiao Precision Machinery Co. LTD. Device for inserting insulating sleeves into wiring slots of flat wire motor stator
CN118572965A (en) * 2024-07-31 2024-08-30 山东天瑞重工有限公司 Magnetic suspension motor stator core, coil inserting tool and assembly method

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EP1914866A2 (en) * 2006-10-19 2008-04-23 Hitachi, Ltd. Stator winding and forming method thereof
CN104184227A (en) * 2014-06-26 2014-12-03 赵晓东 Concentrically-split-type stator and stator winding centralized assembling method
CN104979975A (en) * 2015-07-20 2015-10-14 南车株洲电力机车研究所有限公司 Wire embedding method with scattered coil edgewise winding forming
CN204761176U (en) * 2015-07-14 2015-11-11 大连钰霖电机有限公司 Ultra -thin motor single -slot winding stator mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1914866A2 (en) * 2006-10-19 2008-04-23 Hitachi, Ltd. Stator winding and forming method thereof
CN104184227A (en) * 2014-06-26 2014-12-03 赵晓东 Concentrically-split-type stator and stator winding centralized assembling method
CN204761176U (en) * 2015-07-14 2015-11-11 大连钰霖电机有限公司 Ultra -thin motor single -slot winding stator mechanism
CN104979975A (en) * 2015-07-20 2015-10-14 南车株洲电力机车研究所有限公司 Wire embedding method with scattered coil edgewise winding forming

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11431232B2 (en) 2018-08-31 2022-08-30 Huizhou Lingbiao Precision Machinery Co. LTD. Device for inserting insulating sleeves into wiring slots of flat wire motor stator
CN114421663A (en) * 2021-11-16 2022-04-29 上海电机系统节能工程技术研究中心有限公司 Motor rotor, motor and equipment
CN114421663B (en) * 2021-11-16 2024-01-09 上海电机系统节能工程技术研究中心有限公司 Motor rotor, motor and equipment
CN118572965A (en) * 2024-07-31 2024-08-30 山东天瑞重工有限公司 Magnetic suspension motor stator core, coil inserting tool and assembly method

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Application publication date: 20161123