CN110380528A - The manufacturing method of stator module, motor and electrodynamic pump and stator module - Google Patents

The manufacturing method of stator module, motor and electrodynamic pump and stator module Download PDF

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Publication number
CN110380528A
CN110380528A CN201810453447.2A CN201810453447A CN110380528A CN 110380528 A CN110380528 A CN 110380528A CN 201810453447 A CN201810453447 A CN 201810453447A CN 110380528 A CN110380528 A CN 110380528A
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CN
China
Prior art keywords
iron core
teeth portion
yoke part
stator module
core teeth
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Pending
Application number
CN201810453447.2A
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Chinese (zh)
Inventor
不公告发明人
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Hangzhou Sanhua Research Institute Co Ltd
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Hangzhou Sanhua Research Institute Co Ltd
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Filing date
Publication date
Priority to CN201810323742 priority Critical
Priority to CN2018103237426 priority
Application filed by Hangzhou Sanhua Research Institute Co Ltd filed Critical Hangzhou Sanhua Research Institute Co Ltd
Publication of CN110380528A publication Critical patent/CN110380528A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • 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
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Abstract

A kind of stator module, including stator core, stator core include iron core teeth portion and iron core yoke part, and iron core yoke part is arranged in the periphery of iron core teeth portion, and iron core teeth portion and iron core yoke part split settings are simultaneously fixedly connected;Iron core teeth portion includes iron core neck and iron core boots portion, and at least partly iron core neck between iron core boots portion and iron core yoke part, stator module further includes winding, and iron core neck can provide support for the winding of the winding;Iron core teeth portion further includes first connecting portion, and first connecting portion is arranged between two adjacent iron core boots portions;Iron core teeth portion includes the first limiting section, and the first limiting section is than iron core neck closer to iron core yoke part;Iron core yoke part includes the second limiting section, the second limiting section at least partly the first limiting section is corresponding contacts setting;Be conducive to improve the speed of wrap and efficiency of winding in this way, while being conducive to improve the assembly efficiency of the motor and electrodynamic pump using this stator module.

Description

The manufacturing method of stator module, motor and electrodynamic pump and stator module
[technical field]
The present invention relates to a kind of technical field of electricity, and in particular to a kind of stator module, stator module manufacturing method and Using the components of the stator module.
[background technique]
In general, motor includes stator assembly and rotor assembly;Stator module includes stator core and winding, and stator module exists It can produce the magnetic field of certain rule after stator winding electrifying;Rotor assembly includes permanent-magnet material, and rotor assembly can be in stator It is rotated under the action of the magnetic field that component generates.
In stator module, stator core can provide support for winding, and usual stator core is as shown in Fig. 1 whole Body structure, will lead to winding in this way can only penetrate from the inner circumferential of stator core in winding and complete coiling, will affect in this way around The speed of wrap of group and winding efficiency, and then the assembly efficiency of motor is influenced, usual this stator core is referred to as interior wound fixed Sub- iron core, interior wound stator core suffers from large effect to the speed of wrap and winding efficiency of winding, therefore how to improve The structure of stator core is a technical problem to be solved urgently with the speed of wrap of opposite raising winding and winding efficiency.
[summary of the invention]
The purpose of the present invention is to provide a kind of stator module and the motor with the stator module and electrodynamic pump and The manufacturing method of the stator module is conducive to the speed of wrap for improving winding and winding efficiency, and then is conducive to improve stator pack The motor of this stator module of the assembly efficiency and application of part and the assembly efficiency of electrodynamic pump.
To achieve the above object, one embodiment of the present invention adopts the following technical scheme that
A kind of stator module, including stator core, the stator core include iron core teeth portion and iron core yoke part, the iron core Yoke portion is arranged in the periphery of the iron core teeth portion, and the iron core teeth portion and the iron core yoke part split settings are simultaneously fixedly connected;Institute Stating iron core teeth portion includes iron core neck and iron core boots portion, and at least partly described iron core neck is located at iron core boots portion and the iron Between core yoke portion, the stator module further includes winding, and the iron core neck can provide support for the winding of the winding;Institute Stating iron core teeth portion further includes first connecting portion, and the first connecting portion is arranged between two adjacent iron core boots portions and connects Meet two adjacent iron core boots portions;The iron core teeth portion includes the first limiting section, and first limiting section is than the iron core Neck is closer to the iron core yoke part;The iron core yoke part includes the second limiting section, and second limiting section is set to the iron The inner circumferential in core yoke portion, second limiting section at least partly described first limiting section is corresponding contacts setting.
A kind of motor, the motor include stator module, and the stator module is above-described stator module.
A kind of electrodynamic pump, including pump case, stator module and rotor assembly, the pump case are capable of forming pump inner cavity, The stator module and the rotor assembly are set to the pump inner cavity, and the stator module is above-described stator module.
A kind of manufacturing method of stator module, the stator module include stator core, winding and bobbin winder bracket, described fixed Sub- iron core includes iron core teeth portion and iron core yoke part, and the manufacturing method of the stator module includes following procedure of processing:
S1, plate cutting: the iron core teeth portion includes the first silicon steel sheet of multi-disc, and the iron core yoke part includes the second silicon of multi-disc Steel disc to form first silicon steel sheet and second silicon steel sheet by processing to plate stamping;
S2, riveting or welding forming: by first silicon steel sheet stacking and rivet or weld is fixed or by described first While silicon steel sheet is laminated and rivet or weld is fixed, to form the iron core teeth portion;Simultaneously by second silicon steel sheet stacking While rivet or weld fixes or second silicon steel sheet is laminated and rivet or weld is fixed, to form the iron core Yoke portion;
S3, injection molded bobbin winder bracket: being injection molding inserts with the iron core teeth portion, by the table for being moulded in the iron core teeth portion Face forms the first assembly for having the bobbin winder bracket;Or the bobbin winder bracket includes the first bobbin winder bracket and the second bobbin winder bracket, is led to It crosses injection molding and forms first bobbin winder bracket and second bobbin winder bracket, first bobbin winder bracket and second bobbin winder bracket are distinguished It is assembled with the iron core teeth portion, to form the first assembly;
Coiling: S4 carries out coiling to first assembly, to form the winding;
S5 assembles iron core yoke part: the iron core yoke part and first assembly with the winding is assembled, To form at least partly described stator module.
Stator module of the invention includes iron core yoke part and iron core teeth portion, iron core teeth portion and iron core yoke part split settings;Iron Core teeth portion includes iron core neck and iron core boots portion, and iron core teeth portion includes first connecting portion, and adjacent two are arranged in first connecting portion Between a iron core boots portion and connect two adjacent iron core boots portions;Iron core teeth portion includes the first limiting section, and iron core yoke part includes the Two limiting sections, the second limiting section at least partly the first limiting section is corresponding contacts setting;Relative to interior wound stator core, this Sample setting can carry out winding coiling before unassembled iron core yoke part and be conducive to mention in this way under the interference of not iron core yoke part The speed and winding efficiency of high winding coiling, and then be conducive to improve the assembly of motor and electrodynamic pump using said stator component Efficiency.
The invention also discloses a kind of motor and electrodynamic pump using said stator component, be conducive to improve using above-mentioned fixed The motor of sub-component and the assembly efficiency of electrodynamic pump.
The invention also discloses a kind of manufacturing method of stator module, be conducive to the manufacture assembly effect for improving stator module Rate.
[Detailed description of the invention]
Fig. 1 is a schematic perspective view of stator core in background of invention;
Fig. 2 is an a kind of the schematic diagram of the section structure of embodiment of electrodynamic pump of the present invention;
Fig. 3 is an a kind of solid of embodiment that rotor assembly and stator module are combined in motor of the present invention Structural schematic diagram;
Fig. 4 is a schematic perspective view of the first embodiment of stator module in Fig. 2 or Fig. 3;
Fig. 5 is a schematic perspective view of the first embodiment of the stator core of stator module shown in Fig. 4;
Fig. 6 is a positive structure diagram of stator core shown in Fig. 5;
Fig. 7 is a schematic perspective view of the iron core teeth portion of stator core shown in Fig. 5;
Fig. 8 is a positive structure diagram of iron core teeth portion shown in Fig. 7;
Fig. 9 is the partial enlargement structural representation in the portion C of iron core teeth portion shown in Fig. 8;
Figure 10 is the partial enlargement structural representation in the portion A of iron core teeth portion shown in Fig. 7;
Figure 11 is the partial enlargement structural representation in the portion B of iron core teeth portion shown in Fig. 8;
Figure 12 is a schematic perspective view of the iron core yoke part of stator core shown in Fig. 5;
Figure 13 is a positive structure diagram of iron core yoke part shown in Figure 12;
Figure 14 is a schematic perspective view of second of embodiment of the stator core of stator module shown in Fig. 4;
Figure 15 is a positive structure diagram of stator core shown in Figure 14;
Figure 16 is a schematic perspective view of iron core teeth portion shown in Figure 15;
Figure 17 is a positive structure diagram of iron core teeth portion shown in Figure 16;
Figure 18 is a schematic perspective view of the iron core yoke part of stator core shown in Figure 14;
Figure 19 is a positive structure diagram of iron core yoke part shown in Figure 18;
Figure 20 is a schematic perspective view of second of embodiment of stator module in Fig. 2 or Fig. 3;
Figure 21 is a schematic perspective view of stator core shown in Figure 20;
Figure 22 is a schematic perspective view of the iron core yoke part of stator core shown in Figure 21;
Figure 23 is a positive structure diagram of iron core yoke part shown in Figure 22;
Figure 24 is the partial enlargement structural representation in the portion D of iron core yoke part shown in Figure 23;
Figure 25 is the positive structure diagram that iron core yoke part shown in Figure 22 is unfolded;
Figure 26 is the partial enlargement structural representation in the portion F for the iron core yoke part being unfolded shown in Figure 25;
Figure 27 is the partial enlargement structural representation in the portion E for the iron core yoke part being unfolded shown in Figure 25;
Figure 28 is the partial enlargement structural representation in the portion G for the iron core yoke part being unfolded shown in Figure 25;
Figure 29 is the first assembling process schematic diagram of stator module of the present invention;
Figure 30 is second of assembling process schematic diagram of stator module of the present invention.
[specific embodiment]
The present invention will be further explained below with reference to the attached drawings and specific examples:
Electrodynamic pump in the present embodiment mainly can provide stream for the working media of vehicle lubricating system and/or cooling system Dynamic power specifically can provide flowing for the working media of lubricating system and/or cooling system in vehicle drive system Power.
Referring to fig. 2, electrodynamic pump 10 include pump case, motor rotor component 11, stator module 20, pump rotor assemblies 12 and Electric-controlled plate 13;Pump case is capable of forming pump inner cavity, motor rotor component 11, stator module 20, pump rotor assemblies 12 and automatically controlled Plate 13 is placed in pump inner cavity, and stator module 20 includes stator core 30 and winding 40.When electrodynamic pump 10 works, it is fixed to be passed through by control Electric current in the winding 40 of sub-component 20 changes according to scheduled rule, to control the excitation magnetic that stator module 20 generates variation , motor rotor component 11 rotates under the action of excitation field, and motor rotor component 11 is able to drive 12 turns of pump rotor assemblies Dynamic, when pump rotor assemblies 12 rotate, the volume of the hydraulic cavities between pump rotor assemblies changes, so that working media is forced out The power of flowing is generated to outflow port.
In the present embodiment, stator module 20 is set to the periphery of motor rotor component 11, in order to guarantee motor rotor component 11 rotation is smooth, and inner circumferential of the periphery of motor rotor component 11 apart from stator module 20 has certain gap, in order to guarantee The inner circumferential of the electromagnetic force of motor, stator module 20 is relatively the smaller the better at a distance from the periphery of motor rotor component 11;This implementation It in example, only lists stator module of the present invention and applies the situation in electrodynamic pump, certain stator module of the present invention is equally applicable In valve or other application occasion.
In general, motor includes electric machine casing, stator module and motor rotor component, stator module and motor rotor component It is set in the inner cavity of electric machine casing formation, the working principle of motor is based on electromagnetic induction principle, and stator module 20 can To be set to the periphery of motor rotor component 11, certainly, the inner circumferential in motor rotor component is also can be set in stator module 20;This Embodiment is introduced with the periphery that stator module 20 is set to motor rotor component 11;It is electricity in motor referring to Fig. 3, Fig. 3 One schematic perspective view of the sub-assembly 1 that machine rotor component and stator module are combined;Sub-assembly 1 turns including motor Sub-component 11 and stator module 20, motor rotor component 11 include permanent magnet, and permanent magnet can generate magnetic field, and stator module 20 wraps Winding 40 is included, so that winding 40 is alived by external cabling, while passing through winding 40 by the external for example controls such as electric-controlled plate Electric current to generating excitation field, the motor rotor component with permanent magnet rotates under the action of excitation field;Below will Stator module of the present invention is described in detail.
Referring to fig. 4, stator module 20 includes stator core 30, bobbin winder bracket 50 and winding 40, and bobbin winder bracket 50 is at least arranged In the partial outer face of stator core 30, the material of bobbin winder bracket 50 is insulating materials, stator core 30 and winding 40 is isolated, Guarantee the insulation performance of winding 40;Bobbin winder bracket structure as shown in Figure 4 in the present invention, certain bobbin winder bracket 50 can also be according to demand It is designed to other structures.
The structure of the three of stator core kinds of embodiments will be illustrated below;In order to facilitate three kinds of embodiments of description Stator core 30, the stator core 30 of the first embodiment is labeled as stator core 30a, after other labels add a to be used as Sew;The stator core 30 of second of embodiment is labeled as stator core 30b, other labels add b as suffix;The third reality The stator core 30 of mode is applied labeled as stator core 30c, other labels add c as suffix.
It is the structural schematic diagram of the first embodiment of stator core referring to Fig. 5 to Figure 13, Fig. 5 to Figure 13;Wherein Fig. 7 To the structural schematic diagram for the first embodiment that Figure 11 is iron core teeth portion, Figure 12 to Figure 13 is the first implementation of iron core yoke part The structural schematic diagram of mode, below by the first embodiment of the first embodiment and iron core teeth portion to iron core yoke part Structure is illustrated.
Referring to figs. 5 and 6, stator core 30a includes iron core teeth portion 31a and iron core yoke part 32a, iron core yoke part 32a setting In the portion perimeter of iron core teeth portion 31a, iron core teeth portion 31a and iron core yoke part 32a split settings are simultaneously fixedly connected, here " point Body setting " refers to that iron core teeth portion and iron core yoke part are processed into two independent components respectively, in the present embodiment, iron core teeth portion 31a is the forming of silicon steel sheet tinertoy, and iron core yoke part 32a is also the forming of silicon steel sheet tinertoy, and certain iron core teeth portion can be injection molded Or silicon steel sheet welding forming, iron core yoke part are also injection molded or silicon steel sheet welding forming;So on the one hand setting to be used for The mould structure for shaping iron core teeth portion and iron core yoke part is simple, is conducive to mold small, advantageously reduces manufacturing cost, another Aspect is conducive to the utilization rate for improving material, to be conducive to save compared to integrally formed iron core teeth portion and iron core yoke part Rapidoprint reduces manufacturing cost.
Referring to figs. 7 and 8, iron core teeth portion 31a includes iron core neck 311a and iron core boots portion 312a, in conjunction with Fig. 5 and Fig. 6, At least partly iron core neck 311a is located between iron core boots portion 312a and iron core yoke part 32a, in conjunction with Fig. 4, iron core neck 311a energy Enough support is provided for the winding 40 of winding;Iron core teeth portion 31a further includes first connecting portion 317a, and first connecting portion 317a setting exists Between two adjacent iron core boots portion 312a and connect two adjacent iron core boots portion 312a;Iron core teeth portion 31a includes the first limit Position portion 314a, in conjunction with Fig. 5 and Fig. 6, the first limiting section 314a is than iron core neck 311a closer to iron core yoke part 32a;Referring to Figure 12 And Figure 13, iron core yoke part 32a include that the second limiting section 322a, the second limiting section 322a is set to the inner circumferential of iron core yoke part 32a, the Two limiting section 322a at least partly the first limiting section 314a is corresponding contacts setting;In the present embodiment, iron core teeth portion is integrally machined Molding, does not need iron core teeth portion splitting into multiple parts, favorably simplifies positioning process when assembled;It can certainly be by iron core Teeth portion splits into multiple parts, then by the modes such as assembling, welding the processing of iron core teeth portion is assembled integrally.Compared to iron Core yoke portion and the integrally formed stator core of iron core teeth portion, be arranged in this way can be carried out before unassembled iron core yoke part winding around Line is conducive to the speed and efficiency that improve winding coiling in this way, is conducive to winding coiling under the interference of not iron core yoke part Automation, and then be conducive to improve the assembly efficiency of the motor and electrodynamic pump using said stator component.
It include the first recess portion 313a and main part 316a, the first recess portion 313a referring to Fig. 8 to Figure 10, first connecting portion 317a Be recessed setting towards the direction far from the iron core yoke part 312a in Fig. 5, the first recess portion 313a includes the first face 3131a, with perpendicular to The circumferencial direction of iron core teeth portion 31a is the longitudinal direction of iron core teeth portion 31a, and iron core teeth portion 31a's is longitudinally perpendicular in horizontal plane, along iron Iron core teeth portion 31a is projected to horizontal plane, the projection of iron core teeth portion 31a is obtained, in iron core teeth portion 31a by the longitudinal direction of core teeth portion 31a Projection in, the first face 3131a's is projected as arc;First recess portion 313a further includes the second face 3132a, specifically, this implementation In example, the first recess portion 313a includes two the second face 3132a, and two the second face 3132a are separately positioned on the first face 3131a's Both ends, first connecting portion first connecting portion first connecting portion first connecting portion by iron core teeth portion 31a to horizontal plane orthographic projection, first The center of circle of face 3131a and the center of circle of the inner peripheral surface of iron core teeth portion 31a substantially overlap, and " substantially overlapping " here refers to the circle of the two The heart is away within 0.5mm, so that the thickness of first connecting portion everywhere is uniform, to be conducive to reduce leakage field;Iron core teeth portion 31a includes inner peripheral surface 315a, using the circumferencial direction perpendicular to iron core teeth portion 31a as the longitudinal direction of iron core teeth portion, iron core teeth portion 31a's It is longitudinally perpendicular in horizontal plane, along the longitudinal direction of iron core teeth portion 31a, iron core teeth portion 31a is projected to horizontal plane, obtains iron core teeth portion The projection of 31a, in the projection of the iron core teeth portion 31a, the projection of inner peripheral surface 315a is rounded;Define the first face 3131a with Minimum range between inner peripheral surface 315a is first distance L, defines width of the first connecting portion 317a in the circumferential direction of stator core Degree is second distance W, and " second distance W " here is the minimum range between two the second face 3132a, and first distance L is small In second distance W, it is provided with the magnetic resistance for being conducive to reduce the motor using the stator module in this way, to be conducive to reduce leakage field.
Referring to figs. 7 and 8, iron core teeth portion 31a includes inner peripheral surface 315a, and iron core teeth portion 31a includes multiple iron core necks 311a, iron core neck 311a circumferentially array distribution or are uniformly distributed along inner peripheral surface 315a, " circumference array distribution " here Refer to when inner peripheral surface 315a is rounded, iron core neck 311a along inner peripheral surface 315a circumferencial direction array distribution, here " being uniformly distributed " refers to when inner peripheral surface 315a is non-cylindrical, and iron core neck 311a uniformly divides along the circumferential of inner peripheral surface 315a Cloth, specifically, in the present embodiment, iron core neck 311a is along inner peripheral surface 315a circumferentially array distribution;Iron core teeth portion 31a includes Multiple first limiting section 314a, the first limiting section 314a and iron core neck 311a are integrally formed;First limiting section 314a includes outer Circumferential surface 3141a, using the circumferencial direction perpendicular to iron core teeth portion 31a as the longitudinal direction of iron core teeth portion 31a, the longitudinal direction of iron core teeth portion 31a Perpendicular to horizontal plane, along the longitudinal direction of iron core teeth portion 31a, iron core teeth portion 31a is projected to horizontal plane, obtains iron core teeth portion 31a Projection, in the projection of iron core teeth portion 31a, the projection of the outer peripheral surface 3141a of the first limiting section 314a is arc-shaped;In conjunction with Fig. 5, Fig. 6 and Figure 12, at least partly outer peripheral surface 3141a are contacted at least partly the second limiting section 322a of iron core yoke part 32a in Figure 12 Setting, the center of circle o2 of circle is not overlapped where the ontology of the center of circle o1 and inner peripheral surface 315a of circle where the ontology of outer peripheral surface 3141a, this In " ontology of outer peripheral surface 3141a " refer to the feature that major part is accounted in outer peripheral surface, " feature for accounting for major part " is here Refer to curved features, and the area of the curved features is more than half of the surface area of outer peripheral surface, it is most outer in the present embodiment Circumferential surface 3141a is arc-shaped, naturally it is also possible in some other structure feature of the local setting of outer peripheral surface, for example recess portion or protrusion Deng;Here " ontology of inner peripheral surface 315a " refers to the feature that major part is accounted in inner peripheral surface, " accounts for the spy of major part here Sign " refers to circular feature, and the surface area of the circular feature accounts for more than half of the surface area of inner peripheral surface, interior in the present embodiment Circumferential surface is a full-circle spray pattern, naturally it is also possible under the premise of guaranteeing that most of inner peripheral surface is rounded, in the local setting of inner peripheral surface Some other structures, for example recess portion or protrusion etc..
Referring to figs. 7 and 8, for wherein any one first limiting section 314a, the outer of first limiting section 314a is defined The center of circle o1 of circle where the ontology of circumferential surface 3141a is first direction d to the direction of outer peripheral surface 3141a, and d, fixed along a first direction The distance of the center of circle o2 to outer peripheral surface 3141a of circle where the ontology of adopted inner peripheral surface 315a is first distance h;D along a first direction, The radius of circle where the ontology of outer peripheral surface 3141a is that the first radius R1, the first radius R1 is less than first distance h.
Referring to Fig. 7, iron core teeth portion 31a is laminated by silicon steel sheet and is fixed as one by rivet or weld, iron core teeth Axial direction of the stacking direction of the silicon steel sheet of portion 31a along stator core;Referring to Figure 12 and Figure 13, iron core yoke part 32a is by silicon steel lamella Folded to form and be fixed as one by rivet or weld, the stacking direction of the silicon steel sheet of iron core yoke part 32a is along the stator core Axial direction, refer to along vertical direction " along the axial direction of stator core " here;In the present embodiment, iron core teeth portion and iron core yoke part are equal It is process by way of silicon steel plate stacking, advantageously reduces manufacturing cost in this way.
Referring to Fig. 8 and Figure 11, iron core teeth portion includes multiple first limiting section 314a, here there are two types of embodiment, first In kind embodiment, each first limiting section 314a is included at least, two inner fovea part 3142a, two adjacent inner fovea parts A lug boss 3143a is formed between 3142a, in each first limiting section 314a, inner fovea part 3142a and lug boss 3143a It can be arranged alternately, i.e., be provided with a lug boss 3143a between two adjacent inner fovea part 3142a or adjacent two convex It rises and is provided with an inner fovea part 3142a between portion 3143a;Certain inner fovea part 3142a can also be continuously arranged side by side, adjacent at this time Two inner fovea part 3142a junction formed lug boss 3143a;In the present embodiment, lug boss 3143a is mainly convenient for welding, Specifically, in the present embodiment, pad of the lug boss 3143a as the iron core teeth portion after silicon steel plate stacking, inner fovea part 3142a energy Enough so that in the welding process, some solder is enabled to flow into inner fovea part 3142a, so that solder will not interfere with subsequent iron The assembly in core yoke portion;Lug boss 3143a is protruded to the outer peripheral surface 3141a of the first limiting section to be arranged, and the highest of lug boss 3143a is convex Starting point is no more than the outer peripheral surface 3141a of the first limiting section, and the lug boss after preventing welding in this way interferes the dress of subsequent iron core yoke part Match;In second of embodiment, the first limiting section 314a between two the first limiting section 314a separately includes at least two Other features in each and every one second of embodiment of inner fovea part can refer to the first embodiment, just not repeat one by one herein.
Referring to Figure 11, inner fovea part 3142a includes first side 3144a and second side 3145a, and the first limiting section includes outer Circumferential surface 3141a, first side 3144a are connected smoothly with outer peripheral surface 3141a, and second side 3145a and outer peripheral surface 3141a are flat Slip over and cross connection, such first side 3144a and outer peripheral surface 3141a, second side 3145a and outer peripheral surface 3141a without wedge angle, from And be conducive to that stress is avoided to concentrate;Angle between first side 3144a and outer peripheral surface 3141a is more than or equal to 90 ° less than 180 °, Angle between second side 3145a and outer peripheral surface 3141a is more than or equal to 90 ° less than 180 °, is provided with is conducive to opposite mention in this way The intensity of the mold of silicon steel sheet of the height for shaping iron core yoke part.
Referring to Figure 14 to Figure 19, the structural schematic diagram of Figure 14 and Figure 15 for second of embodiment of stator core, Figure 16 It is the structural schematic diagram of iron core teeth portion in Figure 14 to Figure 17, Figure 18 to Figure 19 is the structural schematic diagram of iron core yoke part in Figure 14;With The lower structure by second of embodiment to stator core is illustrated.
Referring to Figure 14 to Figure 19, stator core 30b includes iron core yoke part 32b and iron core teeth portion 31b, and iron core yoke part 32b is set It sets in the periphery of iron core teeth portion 31b, referring to Figure 15 and Figure 17, iron core teeth portion 31b includes iron core neck 311b and iron core boots portion 312b is located between iron core boots portion 312b and iron core yoke part 32b in conjunction with Figure 14, at least partly iron core neck 311b;Iron core teeth portion 31b further includes first connecting portion 317b, and first connecting portion 317b is arranged between two adjacent iron core boots portion 312b;Iron core teeth Portion 31b includes the first limiting section 314b, and in conjunction with Figure 14 and Figure 15, the first limiting section 314b is than iron core neck 311b closer to iron core Yoke portion 32b;It include the second limiting section 322b referring to Figure 18 and Figure 19, iron core yoke part 32b, in conjunction with Figure 14 and Figure 15, the second limit Portion 322b at least partly the first limiting section 314b is corresponding contacts setting, setting in this way can be carried out before unassembled iron core yoke part Winding coiling is conducive to the speed and efficiency that improve winding coiling, and then be conducive under the interference of not iron core yoke part in this way Improve the assembly efficiency of the motor and electrodynamic pump using said stator component;Compared to the first embodiment of stator core, The first limit of iron core teeth portion 31b in the second limiting section 322b and present embodiment of iron core yoke part 32b in present embodiment Position portion 314b from the first embodiment of stator core the second limiting section and the first limiting section shape it is different, and this implementation Iron core teeth portion in example is with respect to easy processing;The iron core yoke part of present embodiment and other features of iron core teeth portion can refer to the first Embodiment does not just repeat one by one herein.
Referring to fig. 20 to Figure 28, Figure 20 are the structural schematic diagram of second of embodiment of core assembly of the present invention, Figure 21 For the structural schematic diagram of stator core in Figure 20;Figure 22 to Figure 28 is a structural schematic diagram of iron core yoke part in Figure 21, below The structure of the third embodiment to stator core is illustrated.
Referring to fig. 20 to Figure 28, stator core 30c include iron core yoke part 32c and iron core teeth portion 31a, and iron core yoke part 32c is set It sets in the periphery of iron core teeth portion 31a;Referring to fig. 21 to Figure 22, iron core yoke part 32c include the second limiting section 322c;Specifically, join See Figure 24, iron core yoke part 32c is unfolded, iron core yoke part 32c is in chain structure, and iron core yoke part 32c includes multiple yoke portions unit 323c, two adjacent yoke portion unit 323c are connected by second connecting portion 324c;In the present embodiment, second connecting portion 324c packet Hole portion 3241c and notch section 3242c are included, hole portion 3241c connects setting with notch section 3242c, and being provided with for hole portion 3124c is conducive to Reduce stress of the iron core yoke part in subsequent bending process.Referring to fig. 24, second connecting portion 324c are by the second of iron core yoke part 32c Limiting section 322c is at least divided into the second sub- recess portion 3221c and second point of recess portion 3222c, the second sub- recess portion 3221c and second point Recess portion 3222c is located at the two sides of second connecting portion 324c, and in the present embodiment, second connecting portion 324c is by iron core yoke part 32c The second limiting section 322c be divided into second sub- recess portion 3221c and one second point of recess portion 3222c, certain second connecting portion Second limiting section 322c can also be divided into the two or more second sub- recess portions and second point of recess portion by 324c;In conjunction with Figure 20 and figure 7, in stator core 30c, at least partly 314a pairs of the first limiting section of iron core teeth portion 32a in the second sub- recess portion 3221c and Fig. 7 Should contact setting, second point of recess portion 3222c in Fig. 7 iron core teeth portion 32a at least partly the first limiting section 314a is corresponding contacts Setting;Setting can carry out winding coiling before unassembled iron core yoke part in this way has in this way under the interference of not iron core yoke part Conducive to the speed and efficiency of raising winding coiling, and then be conducive to improve the dress of the motor and electrodynamic pump using said stator component With efficiency.
Referring to fig. 22 to Figure 28, iron core yoke part 32c include the first buckling parts 325c and the second buckling parts 326c, and first fastens Portion 325c and the second buckling parts 326c is located at two ends of the iron core yoke part of expansion;In conjunction with Figure 20, by the first buckling parts The corresponding periphery for fastening setting and enabling iron core yoke part that iron core teeth portion 32a is set 325c and the second buckling parts 326c;Specifically Ground, in the present embodiment, at least partly the first buckling parts 325c and at least partly the second buckling parts 326c are interference fitted, so that First buckling parts 325c and the second buckling parts 326c will not fall off when fastening;Referring to fig. 23, as the first buckling parts 325c and second When buckling parts 326c is fastened, it is provided with certain gap a between the yoke portion unit 323c of two end of iron core yoke part in Figure 24, Specifically, the numerical value of gap a is less than or equal to 2mm, and the numerical value of certain gap a can also be according to the size 2mm of iron core yoke part;Due to Certain mismachining tolerance can be generated in the process to the silicon steel sheet for forming iron core yoke part, thus can be to subsequent silicon steel sheet Bending generates certain influence, and being provided with for gap a fastens conducive to the bending of subsequent silicon steel sheet and the first buckling parts, second The fastening in portion, to be conducive to the assembly of subsequent iron core yoke part.
Iron core yoke part 32a is laminated by silicon steel sheet and is fixed as one by rivet or weld, is being assembled to form iron core During yoke portion, first every silicon steel sheet is laminated and is fixed as one by rivet or weld, then in the iron for completing coiling The periphery of core teeth portion fastens the first buckling parts and the second buckling parts, so that the outer of iron core teeth portion can be arranged in stator yoke Week;Compared to the iron core yoke part in the first embodiment of stator core, the iron core yoke part in present embodiment is unfolded, iron Core yoke portion is in chain structure, is conducive to the materials for saving silicon steel sheet in this way, to advantageously reduce processing cost;In the present embodiment It is to be illustrated the first embodiment of iron core teeth portion as the application in the present embodiment, the present embodiment was similarly suitable at that time The application of second of embodiment for iron core teeth portion;The iron core yoke part of present embodiment and other features of iron core teeth portion can Referring to the first embodiment, just do not repeat one by one herein.
The invention also discloses a kind of manufacturing methods of stator module, below by the manufacturing method to stator module of the present invention It is specifically described.
9, Figure 29 is the structural schematic diagram of the first embodiment of the manufacturing method of stator module of the present invention referring to fig. 2; The first embodiment of the manufacturing method to stator module of the present invention is described below.
Stator module 20 includes stator core 30a, winding 40 and bobbin winder bracket 50a, and stator core 30a includes iron core teeth portion 31a and iron core yoke part 32a, the manufacturing method of stator module 20 include following procedure of processing:
S1, plate cutting: iron core teeth portion 31a includes that the first silicon steel sheet of multi-disc 310a, iron core yoke part 32a include multi-disc second Silicon steel sheet 320a to form above-mentioned first silicon steel sheet 310a and the second silicon steel sheet 320a by processing to plate stamping;
S2, riveting or welding forming: by the first silicon steel sheet 310a stacking and rivet or weld is fixed or by the first silicon steel While piece 310a is laminated and rivet or weld is fixed, to form iron core teeth portion 31a;By the second silicon steel sheet 320a stacking and riveting While connecing or be welded and fixed or the second silicon steel sheet 320a is laminated and rivet or weld is fixed, to form iron core yoke part 32a;Specifically first by first first silicon steel sheet 310a of iron core teeth portion 31a and second first silicon steel sheet 310a stacking After good, after the completion of rivet or weld, then the first silicon steel sheet of third piece is laminated in then this first silicon steel sheet of two panels of rivet or weld again Then third piece the first silicon steel sheet 310a is carried out welding or riveting with the first silicon steel sheet welded or riveted before again by 310a It connects, and so on, until forming iron core teeth portion 31a;Iron core yoke part 32a is also using above-mentioned similar assemble method, herein It does not repeat one by one;It rivets or welds again after two panels or the first silicon steel sheet of multi-disc or the second silicon steel sheet can certainly being laminated It connects, two panels or the first silicon steel sheet of multi-disc or the second silicon steel sheet is then laminated again, then welded or riveted, and so on.S3, note Be moulded into shape: bobbin winder bracket 50a include the first bobbin winder bracket 51a and the second bobbin winder bracket 52a, by injection molding formed the first bobbin winder bracket 51a and Second bobbin winder bracket 52a assembles the first bobbin winder bracket 51a and the second bobbin winder bracket 52a, with iron core teeth portion 31a respectively to form the One assembly 60a;In the present embodiment, pass through the first bobbin winder bracket of injection molding respectively and the second bobbin winder bracket two independent zero Part, it is of course also possible to which the surface by being moulded in iron core teeth portion 31a is formed with bobbin winder bracket using iron core teeth portion 31a as inserts First assembly 60a;
Coiling: S4 carries out coiling to the first assembly 60a, to form winding 40;
S5 assembles iron core yoke part: iron core yoke part 32a and first assembly with winding 40 is assembled, from And form at least partly stator module;In general, stator module further includes contact pin, in the present embodiment, the assembling of contact pin is not retouched It states, therefore its last assembling formation is partial stator component.
In the present embodiment, assemble iron core yoke part with the first assembly with winding, Specifically, iron core yoke part is located at the periphery of bobbin winder bracket, and such bobbin winder bracket will not interfere with the press fitting of iron core yoke part.
By the above manufacturing method, so that winding coiling is carried out before unassembled iron core yoke part, in this way in no iron core yoke Under the interference in portion, be conducive to the speed and efficiency that improve winding coiling, and then improve the manufacture assembly efficiency of stator module.
Referring to Figure 30, Figure 30 is the structural schematic diagram of second of embodiment of the manufacturing method of stator module of the present invention; Second of embodiment of the manufacturing method to stator module of the present invention is described below.
Stator module 20 ' includes stator core 30c, winding 40 and bobbin winder bracket 50c, and referring to fig. 28, stator core 30c packet Iron core teeth portion 31c and iron core yoke part 32c are included, the manufacturing method of stator module 20 ' includes following procedure of processing:
S1, plate cutting: iron core teeth portion 31c includes that the first silicon steel sheet of multi-disc 310c, iron core yoke part 32c include multi-disc second Silicon steel sheet 320c to form above-mentioned first silicon steel sheet 310c and the second silicon steel sheet 320c by processing to plate stamping;
S2, riveting or welding forming: by the first silicon steel sheet 310c stacking and rivet or weld is fixed or by the first silicon steel While piece 310c is laminated and rivet or weld is fixed, to form iron core teeth portion 31c;By the second silicon steel sheet 320c stacking and riveting While connecing or be welded and fixed or the second silicon steel sheet 320c is laminated and rivet or weld is fixed, to form iron core yoke part 32c;In the present embodiment, the assembling mode of silicon steel sheet and the first embodiment are essentially identical, just do not repeat one by one herein;
S3, injection molded: bobbin winder bracket 50c includes the first bobbin winder bracket 51c and the second bobbin winder bracket 52c, forms the by injection molding One bobbin winder bracket 51c and the second bobbin winder bracket 52c, by the first bobbin winder bracket 51c and the second bobbin winder bracket 52c respectively with iron core teeth portion 31c group Dress, to form the first assembly 60c;In the present embodiment, pass through the first bobbin winder bracket of injection molding and the second bobbin winder bracket two respectively A independent components, it is of course also possible to which the surface by being moulded in iron core teeth portion 31c is formed using iron core teeth portion 31c as inserts The first assembly 60c with bobbin winder bracket;
S4, coiling: carrying out coiling to the first assembly 60c, to form the first assembly for having winding 40;
S5 assembles iron core yoke part: iron core yoke part 32c and the first assembly with winding 40 being assembled, to be formed extremely Small part stator module 20c.
In the present embodiment, in step s 2, the shape of the second silicon steel sheet 320c is chain, and the second silicon steel sheet 320c is laminated And rivet or weld fix or by the second silicon steel sheet 320c be laminated while and rivet or weld fix, be conducive to save in this way The materials of silicon steel sheet, to be conducive to save manufacture processing cost;Specifically, in step s 2, be first will be stamping after After first second silicon steel sheet 320c and second second silicon steel sheet 320c is laminated, then this two panels second of rivet or weld again After the completion of rivet or weld, then third piece the second silicon steel sheet 320c is laminated in silicon steel sheet, then again by the second silicon steel sheet of third piece with The second silicon steel sheet welded or riveted before is welded or riveted, and so on, until forming iron core yoke part 32c, here It just completes to weld or rivet while being by the second silicon steel sheet 320c stacking;It can certainly be by the second silicon steel sheet of two panels or multi-disc Rivet or weld again is laminated after getting well, two panels or multi-disc silicon steel sheet are then laminated again, then welded or riveted, and so on.
It in step s 5, include the first buckling parts 325c and the second buckling parts 326c in conjunction with Figure 24, iron core yoke part 32c, it will First buckling parts 325c is corresponding with the second buckling parts 326c to be fastened, so that the iron core yoke part of chain is capable of forming full circle and is arranged The periphery of iron core teeth portion;Be conducive to improve assembling manufacturing efficiency by way of this fastening;The manufacturing method of this stator module In, iron core yoke part 32c is chain, and certainly, iron core yoke part may be by the silicon steel sheet stacking of round shape and riveting or to be welded, At this point, when assembly iron core yoke part iron core yoke part can be assembled by the assembly method of press fitting.
Compared with the first embodiment of stator module manufacturing method, in present embodiment, iron core yoke part is unfolded, iron Core yoke portion is in chain structure, is conducive to the materials for saving silicon steel sheet in this way, to advantageously reduce processing cost.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention Case, although this specification is referring to the above embodiments, the present invention has been described in detail, the common skill of this field Art personnel should be appreciated that person of ordinary skill in the field still can modify or equivalently replace the present invention, and All do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover in scope of the presently claimed invention It is interior.

Claims (15)

1. a kind of stator module, including stator core, the stator core includes iron core teeth portion and iron core yoke part, the iron core yoke The portion perimeter of the iron core teeth portion is arranged in portion, it is characterised in that: the iron core teeth portion and the iron core yoke part split settings And it is fixedly connected;The iron core teeth portion includes iron core neck and iron core boots portion, and at least partly described iron core neck is located at the iron Between core boots portion and the iron core yoke part, the stator module further includes winding, and the iron core neck can be the winding Winding provides support;The iron core teeth portion further includes first connecting portion, and the first connecting portion is arranged in described in adjacent two Between iron core boots portion and connect two adjacent iron core boots portions;The iron core teeth portion include the first limiting section, described first For limiting section than the iron core neck closer to the iron core yoke part, the iron core yoke part includes the second limiting section, second limit Position portion is set to the inner circumferential of the iron core yoke part, at least partly described second limiting section and at least partly described first limiting section pair Setting should be contacted.
2. stator module according to claim 1, it is characterised in that: the first connecting portion includes the first recess portion, described First recess portion is recessed towards the direction far from the iron core yoke part and is arranged;First recess portion includes the first face, perpendicular to described The circumferencial direction of iron core teeth portion be the iron core teeth portion longitudinal direction, the iron core teeth portion it is longitudinally perpendicular in horizontal plane, along institute The iron core teeth portion is projected to horizontal plane, the projection of the iron core teeth portion is obtained, in the iron core by the longitudinal direction for stating iron core teeth portion In the projection of teeth portion, first face is projected as arc;The iron core teeth portion includes inner peripheral surface, defines first face and institute Stating the minimum range between inner peripheral surface is first distance, defines width of first recess portion in the iron core teeth portion circumferential direction and is Second distance, the first distance are less than the second distance.
3. stator module according to claim 1 or 2, it is characterised in that: the iron core teeth portion includes inner peripheral surface, with vertical In the longitudinal direction that the circumferencial direction of the iron core teeth portion is the iron core teeth portion, the iron core teeth portion it is longitudinally perpendicular in horizontal plane, Along the longitudinal direction of the iron core teeth portion, the iron core teeth portion is projected to horizontal plane, the projection of the iron core teeth portion is obtained, in institute In the projection for stating iron core teeth portion, the projection of the inner peripheral surface is rounded;The iron core teeth portion includes multiple iron core necks, the iron Core neck circumferentially array distribution or is uniformly distributed along the inner peripheral surface;The iron core teeth portion includes multiple first limiting sections, First limiting section and the iron core neck are integrally formed;First limiting section includes outer peripheral surface, perpendicular to the iron The circumferencial direction of core teeth portion be the iron core teeth portion longitudinal direction, the iron core teeth portion it is longitudinally perpendicular in horizontal plane, along described The iron core teeth portion is projected to horizontal plane, the projection of the iron core teeth portion is obtained, in the iron core teeth by the longitudinal direction of iron core teeth portion In the projection in portion, the projection of the outer peripheral surface of first limiting section is arc-shaped;At least partly described outer peripheral surface and the iron core yoke At least partly described second limiting section in portion contacts setting, the center of circle of circle where the ontology of the outer peripheral surface and the inner peripheral surface The center of circle of circle is not overlapped where ontology.
4. stator module according to claim 3, it is characterised in that: it is directed to wherein any one of first limiting section, The center of circle to the direction of the outer peripheral surface of circle is first direction where defining the ontology of the outer peripheral surface of first limiting section, Along the first direction, the distance in the center of circle of circle where defining the ontology of the inner peripheral surface to the outer peripheral surface for first away from From;Along the first direction, the radius of circle where the ontology of the outer peripheral surface is the first radius, and first radius is less than institute State first distance.
5. stator module according to any one of claims 1 to 4, it is characterised in that: the iron core teeth portion includes multiple One limiting section, each first limiting section include at least two inner fovea parts, or two first limiting sections separately it Between the first limiting section include at least two inner fovea parts;Lug boss, the protrusion are formed between two adjacent inner fovea parts Portion is protruded to the outer peripheral surface of first limiting section to be arranged, and the highest raised points of the lug boss are no more than first limit The outer peripheral surface in position portion.
6. stator module according to claim 5, it is characterised in that: the inner fovea part includes first side and second side Face, first limiting section includes outer peripheral surface, and the first side is connected smoothly with the outer peripheral surface, the second side It is connected smoothly with the outer peripheral surface, the angle between the first side and the outer peripheral surface is more than or equal to 90 ° and is less than 180 °, the angle between the second side and the outer peripheral surface is more than or equal to 90 ° less than 180 °.
7. stator module according to any one of claims 1 to 6, it is characterised in that: the iron core yoke part is unfolded, it is described Iron core yoke part is in chain structure, and the iron core yoke part includes multiple yoke portions unit, and two adjacent yoke portion units connect by second Socket part connection.
8. stator module according to claim 7, it is characterised in that: the second connecting portion can be by the iron core yoke part Second limiting section be at least divided into the second sub- recess portion and second point of recess portion, the second sub- recess portion and described second point it is recessed Portion is located at the two sides of the second connecting portion;In the stator core, the described second sub- recess portion with it is at least partly described The corresponding contact setting of first limiting section, second point of recess portion at least partly described first limiting section is corresponding contacts setting.
9. stator module according to claim 7 or 8, it is characterised in that: the iron core yoke part is unfolded, the iron core yoke Portion is in chain structure, and the iron core yoke part includes the first buckling parts and the second buckling parts, first buckling parts and described second Buckling parts is located at two ends of the iron core yoke part of expansion;First buckling parts and second buckling parts is corresponding Fasten the periphery that setting enables iron core yoke part that the iron core teeth portion is arranged in.
10. stator module according to any one of claims 1 to 9, it is characterised in that: the iron core yoke part is by silicon steel lamella Folded to form and be fixed as one by rivet or weld, the stacking direction of the silicon steel sheet of the iron core yoke part is along the stator core Axial direction;The iron core teeth portion is laminated by silicon steel sheet and is fixed as one by rivet or weld, the iron core teeth portion Axial direction of the stacking direction of silicon steel sheet along the stator core.
11. a kind of motor, the motor includes stator module, and the stator module is that claim 1-10 is described in any item fixed Sub-component.
12. a kind of electrodynamic pump, including pump case, stator module and motor rotor component, the pump case are capable of forming in pump Chamber, the stator module and the motor rotor component are set to the pump inner cavity, and the stator module is claim 1-10 Described in any item stator modules.
13. a kind of manufacturing method of stator module, the stator module includes stator core, winding and bobbin winder bracket, described fixed Sub- iron core includes iron core teeth portion and iron core yoke part, and the manufacturing method of the stator module includes following procedure of processing:
S1, plate cutting: the iron core teeth portion includes the first silicon steel sheet of multi-disc, and the iron core yoke part includes the second silicon steel of multi-disc Piece to form first silicon steel sheet and second silicon steel sheet by processing to plate stamping;
S2, riveting or welding forming: by first silicon steel sheet stacking and rivet or weld is fixed or by first silicon steel While piece is laminated and rivet or weld is fixed, to form the iron core teeth portion;Second silicon steel sheet is laminated and is riveted Or be welded and fixed or by second silicon steel sheet be laminated while and rivet or weld fix, to form the iron core yoke Portion;
S3, injection molded bobbin winder bracket: being injection molding inserts with the iron core teeth portion, by the surface shape for being moulded in the iron core teeth portion At the first assembly for having the bobbin winder bracket;Or the bobbin winder bracket includes the first bobbin winder bracket and the second bobbin winder bracket, passes through note Moulding at first bobbin winder bracket and second bobbin winder bracket, by first bobbin winder bracket and second bobbin winder bracket respectively with institute The assembling of iron core teeth portion is stated, to form the first assembly;
S4, coiling: carrying out coiling to first assembly, to form first assembly for having winding;
S5 assembles iron core yoke part: the iron core yoke part and first assembly with the winding is assembled, thus Form at least partly described stator module.
14. the manufacturing method of stator module according to claim 13, it is characterised in that: in step s 2, described second The shape of silicon steel sheet is chain, and by second silicon steel sheet stacking and rivet or weld is fixed or by the second silicon steel lamella While folded and rivet or weld is fixed, thus the catenulate iron core yoke part of shape.
15. the manufacturing method of stator module according to claim 14, it is characterised in that: in step s 5, the iron core Yoke portion includes the first buckling parts and the second buckling parts, by first buckling parts fastening corresponding with second buckling parts, so that The iron core yoke part of chain is capable of forming full circle and the periphery of the iron core teeth portion is arranged in.
CN201810453447.2A 2018-04-12 2018-05-14 The manufacturing method of stator module, motor and electrodynamic pump and stator module Pending CN110380528A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290710A (en) * 2020-12-25 2021-01-29 威晟汽车科技(宁波)有限公司 Automobile water pump
CN112570985A (en) * 2020-10-12 2021-03-30 江阴市创佳电器有限公司 Convenient and automatic motor iron core production process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112570985A (en) * 2020-10-12 2021-03-30 江阴市创佳电器有限公司 Convenient and automatic motor iron core production process
CN112290710A (en) * 2020-12-25 2021-01-29 威晟汽车科技(宁波)有限公司 Automobile water pump

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