CN111404291B - Disc type iron core structure, disc type motor and machining method - Google Patents
Disc type iron core structure, disc type motor and machining method Download PDFInfo
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- CN111404291B CN111404291B CN202010262828.XA CN202010262828A CN111404291B CN 111404291 B CN111404291 B CN 111404291B CN 202010262828 A CN202010262828 A CN 202010262828A CN 111404291 B CN111404291 B CN 111404291B
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- iron core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a disc-type iron core structure which comprises an iron core mounting plate, a fixing plate and a plurality of sections of iron core teeth, wherein mounting seats are arranged on the iron core teeth, mounting grooves with the same number and matched shapes as the mounting seats are uniformly distributed on the circumference of the iron core mounting plate, the mounting grooves are communicated to the edge of the iron core mounting plate, the mounting seats are correspondingly embedded into the mounting grooves in a sliding mode one by one, the fixing plate is fixedly arranged on the iron core mounting plate, the fixing plate can clamp and fix the iron core teeth in the mounting grooves, after all the iron core teeth are clamped and fixed, the inner end faces and the outer end faces of the iron core teeth can be respectively spliced to form cylindrical surfaces, and the iron core teeth are all used for winding coil windings. The invention can obviously reduce the mechanical stress of the disc type iron core, reduce the magnetic loss of the disc type iron core, reduce the processing and assembling difficulty of the iron core teeth and reduce the production cost.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a disc type iron core structure, a disc type motor and a processing method.
Background
The disc type motor is also called as an axial magnetic field motor, the magnetic field distribution in the motor is along the axial direction, most of the disc type motor is in a flat structure, and the disc type motor has the structural advantages for special use occasions. At present, in a stator assembly of a disc motor, a disc iron core has a diversified fixing structure, and an integral disc iron core is generally fixed on a machine shell in a bolt connection mode. However, since holes need to be punched in the disc-type iron core, the hole structure easily causes greater internal stress to the whole disc-type motor, and the magnetic loss of the iron core is increased. Moreover, the disk type motor iron core structure fixed by the bolts is high in processing and assembling difficulty and high in production cost.
Therefore, how to reduce the internal stress of the stator assembly of the disc motor, reduce the winding difficulty of the coil, and use a better iron core positioning method to increase the efficiency and stability of the disc motor is a problem to be solved urgently in the field of the disc motor at present
Disclosure of Invention
The invention aims to provide a disc type iron core structure, a disc type motor and a processing method, which are used for solving the problems in the prior art, can obviously reduce the mechanical stress of the disc type iron core, reduce the magnetic loss of the disc type iron core, and can reduce the processing and assembling difficulty of iron core teeth and the production cost.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a disc-type iron core structure which comprises an iron core mounting plate, a fixing plate and a plurality of sections of iron core teeth, wherein mounting seats are arranged on the iron core teeth, mounting grooves with the same number and matched shapes as the mounting seats are uniformly distributed on the circumference of the iron core mounting plate, the mounting grooves are communicated to the edge of the iron core mounting plate, the mounting seats are correspondingly embedded into the mounting grooves in a sliding mode one by one, the fixing plate is fixedly arranged on the iron core mounting plate, the fixing plate can clamp and fix the iron core teeth in the mounting grooves, after all the iron core teeth are clamped and fixed, the inner end faces and the outer end faces of the iron core teeth can be respectively spliced to form cylindrical surfaces, and the iron core teeth are all used for winding coil windings.
Preferably, the iron core teeth comprise two iron core yoke portions, winding grooves are symmetrically formed in two sides of the iron core teeth between the two iron core yoke portions, the coil windings are wound in the winding grooves, the depth of each winding groove is not smaller than the thickness of each coil winding, the end faces of the iron core yoke portions are all sector faces, the adjacent inner side iron core yoke portions and the adjacent outer side iron core yoke portions are completely attached to each other, the end faces of the iron core yoke portions on the inner sides of the iron core teeth are spliced to form a cylindrical face, the end faces of the iron core yoke portions on the outer sides of the iron core teeth are spliced to form a cylindrical face, the mounting seat is fixedly arranged on one of the iron core yoke portions, and the mounting seat is mounted in the mounting groove.
Preferably, the mounting groove is a dovetail groove, and the mounting seat is matched with the mounting groove in shape.
Preferably, a plurality of threaded holes are evenly distributed in the same circumferential direction of the iron core mounting plate, and the fixing plate penetrates through the threaded holes and the iron core mounting plate in a fixed connection mode through bolts.
Preferably, the fixed plate is fixedly provided with a plurality of clamping blocks, the positions and the number of the clamping blocks are matched with those of the mounting grooves, and the iron core teeth can be clamped and fixed after the clamping blocks are mounted in the mounting grooves.
Preferably, the outer diameters of the iron core mounting plate and the fixing plate are equal.
The invention also provides a disc motor comprising the disc core structure and the coil winding.
The invention also provides a processing method for the disc type motor, which comprises the following steps:
s1, uniformly cutting an iron core blank into a plurality of tooth blanks, processing each tooth blank into the iron core teeth, and processing the mounting seat on each iron core tooth;
s2, winding the coil windings on the iron core teeth;
and S3, embedding the mounting seats into the mounting grooves in a one-to-one corresponding sliding manner, placing and fixing the fixing plates so as to clamp and fix the iron core teeth, and completing the assembly of a disc-type iron core structure and the coil winding.
Compared with the prior art, the invention has the following technical effects:
the disc-type iron core is formed by splicing a plurality of sections of iron core teeth, all the iron core teeth are specifically installed on the iron core installation plate in a one-to-one correspondence mode, namely the installation seat is installed in the installation groove in a sliding mode, then the iron core teeth are clamped and fixed in the installation groove through the fixing plate, and a complete disc-type iron core is formed through splicing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a core tooth according to the present invention;
FIG. 2 is a schematic structural view of another view of the core teeth of the present invention;
fig. 3 is an exploded view of the disc core structure and coil windings of the present invention;
fig. 4 is a schematic view of the assembly of the disc core structure and coil winding of the present invention;
wherein: 100-iron core teeth, 101-winding slots, 102-iron core yoke parts, 103-mounting seats, 200-iron core mounting plates, 201-mounting slots, 202-threaded holes, 300-fixing plates, 301-clamping blocks and 400-coil windings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1-4: this embodiment provides a disk iron core structure, including iron core mounting panel 200, fixed plate 300 and a plurality of section iron core tooth 100, all be provided with mount pad 103 on the iron core tooth 100, circumference evenly distributed has the same and shape assorted mounting groove 201 with mount pad 103 quantity on the iron core mounting panel 200, the radial direction that iron core mounting panel 200 was all followed to mounting groove 201 communicates to the edge of iron core mounting panel 200, the slip embedding of the equal one-to-one of mount pad 103 is in mounting groove 201, fixed plate 300 is fixed to be set up on iron core mounting panel 200, fixed plate 300 can press from both sides iron core tooth 100 and tightly fix in mounting groove 201, all iron core teeth 100 are pressed from both sides its interior terminal surface and outer terminal surface after fixed and can splice respectively and form the face of cylinder, all be used for coiling winding 400 on the iron.
Specifically, the core tooth 100 includes two core yoke portions 102, the size and thickness of the two core yoke portions 102 are completely the same, the winding slots 101 are symmetrically disposed on both sides of the core tooth 100 between the two core yoke portions 102, the coil windings 400 are wound in the winding slots 101, the depth of the winding slots 101 is not less than the thickness of the coil winding 400, ensuring that the coil winding 400 is positioned in the winding slots 101, the end surfaces of the iron core yoke parts 102 are all sector surfaces, the wide ends are outward, the narrow ends are inward, the adjacent inner side iron core yoke parts 102 and the adjacent outer side iron core yoke parts 102 are completely attached, the end surfaces of the iron core yoke parts 102 on the inner sides can be spliced into a cylindrical surface, the end surfaces of the iron core yoke parts 102 on the outer sides can be spliced into a cylindrical surface, and each cylindrical surface is required to be a seamless complete cylindrical surface, a mounting seat 103 is fixedly arranged on one iron core yoke part 102 of each iron core tooth 100, and the mounting seat 103 is arranged in a mounting groove 201.
The winding slots 101 and the iron core yoke portions 102 can be of split structures or integral structures, the integral structures are adopted in the embodiment and can guarantee assembly accuracy, the iron core teeth 100 are formed by cutting and turning an iron core blank, and then the winding slots 101 and the iron core yoke portions 102 are machined on each iron core tooth 100. The mounting groove 201 is preferably a dovetail groove, the shape of the mounting seat 103 is matched with that of the mounting groove 201, and the dovetail groove type fixing mode is stable in structure and easy to assemble after fixing.
Specifically, a plurality of threaded holes 202 are uniformly arranged in the same circumferential direction of the core mounting plate 200, and the fixing plate 300 is fixedly connected to the core mounting plate 200 by passing through the threaded holes 202 with bolts. The fixing plate 300 is fixedly provided with a plurality of clamping blocks 301, the positions and the number of the clamping blocks 301 are matched with those of the mounting grooves 201, and the iron core teeth 100 can be clamped and fixed after the clamping blocks 301 are mounted in the mounting grooves 201. The outer diameters of the core mounting plate 200 and the fixing plate 300 are equal. That is, each iron core tooth 100 is installed in the installation groove 201, and then the clamping blocks 301 on the fixing plate 300 are correspondingly installed in each installation groove 201, after the fixing plate 300 is fixedly connected with the iron core installation plate 200 by using bolts, the clamping blocks 301 can clamp and fix each iron core tooth 100 in the installation groove 201, so that the assembly of each disc-type iron core is completed.
Install all iron core teeth 100 one-to-one on iron core mounting plate 200, be about mount pad 103 slidable mounting in mounting groove 201, then utilize fixed plate 300 to press from both sides iron core teeth 100 tight fix in mounting groove 201, form a complete disc iron core (specifically as shown in fig. 4) with the concatenation, compare with traditional bolt fastening, this embodiment does not punch on iron core teeth 100, thereby the production of stress on iron core teeth 100 when having avoided punching, can show the mechanical stress that reduces disc iron core, reduce disc iron core's magnetic loss, and the disc iron core of this embodiment decomposes into the iron core teeth 100 of a plurality of sectional types, when processing iron core teeth 100, can be independent one by one process, with the processing and the assembly degree of difficulty that reduce disc iron core, can also reduce wire-wound degree of difficulty, thereby reduce manufacturing cost.
Example two
The present embodiment provides a disc motor including the disc core structure and the coil winding 400 of the first embodiment, and has the same technical effects as the first embodiment.
EXAMPLE III
The embodiment provides a processing method for a disc motor in the second embodiment, which comprises the following steps:
s1, uniformly cutting an iron core blank into a plurality of tooth blanks, processing each tooth blank into an iron core tooth 100, specifically, processing a winding slot 101 and an iron core yoke 102 on each tooth blank, and processing a mounting seat 103 on each iron core tooth 100 to finish the processing of a single iron core tooth 100;
s2, winding a coil winding 400 in the winding slot 101 of each core tooth 100;
s3, after S2 is completed, the mounting seats 103 of the core teeth 100 are slidably inserted into the mounting grooves 201 in a one-to-one correspondence, the fixing plates 300 are placed and fixed to the core mounting plates 200 by bolts, and the core teeth 100 are clamped and fixed, thereby completing the assembly of a disc-type core structure and the coil winding 400.
Compared with the conventional method, in the embodiment, the disc-type iron core is divided into the plurality of segments of the segmented iron core teeth 100, one iron core blank is uniformly cut into the plurality of segment-shaped tooth blanks, then each tooth blank is processed to form the iron core teeth 100, and each iron core tooth 100 is respectively wound with a coil, so that the processing difficulty of the iron core teeth 100 and the difficulty of winding the coil can be remarkably reduced. After the coil is wound and is established the completion, with every iron core tooth 100 piecing together one by one on iron core mounting panel 200, it is fixed that reuse fixed plate 300 presss from both sides tightly, the assembly degree of difficulty of iron core tooth 100 is showing and is reducing, and iron core tooth 100 adopts the fixed mode of centre gripping moreover, does not punch on iron core tooth 100 to avoid the production of stress on iron core tooth 100 when punching, can show the mechanical stress that reduces disc iron core, reduce disc iron core's magnetic loss.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A disk iron core structure, its characterized in that: the iron core mounting plate is provided with mounting seats, mounting grooves with the same number and the same shape as the mounting seats are uniformly distributed on the circumference of the iron core mounting plate, the mounting grooves are communicated to the edge of the iron core mounting plate, the mounting seats are correspondingly embedded in the mounting grooves in a sliding manner, the fixing plate is fixedly arranged on the iron core mounting plate, the iron core teeth can be clamped and fixed in the mounting grooves by the fixing plate, the inner end surfaces and the outer end surfaces of all the iron core teeth can be respectively spliced to form cylindrical surfaces after being clamped and fixed, and the iron core teeth are all used for winding coil windings;
the fixed plate is fixedly provided with a plurality of clamping blocks, the positions and the number of the clamping blocks are matched with those of the mounting grooves, and the clamping blocks can clamp and fix the iron core teeth after being mounted in the mounting grooves;
the mounting groove is a dovetail groove, and the mounting seat is matched with the mounting groove in shape;
evenly arrange a plurality of screw holes on the same circumferencial direction of iron core mounting panel, the fixed plate utilizes the bolt to pass the screw hole with iron core mounting panel fixed connection.
2. The disc core structure of claim 1, wherein: the iron core tooth comprises two iron core yoke portions, wherein winding grooves are symmetrically formed in two sides of the iron core tooth between the two iron core yoke portions, coil windings are wound in the winding grooves, the depth of each winding groove is not smaller than the thickness of each coil winding, the end faces of the iron core yoke portions are all sector faces, the adjacent inner side iron core yoke portions and the adjacent outer side iron core yoke portions are completely attached to each other, the end faces of the iron core yoke portions on the inner sides can be spliced into a cylindrical face, the end faces of the iron core yoke portions on the outer sides can be spliced into a cylindrical face, the mounting seats are fixedly arranged on one of the iron core yoke portions, and the mounting seats are mounted in the mounting grooves.
3. The disc core structure of claim 1, wherein: the iron core mounting plate and the outer diameter of the fixing plate are equal.
4. A disc motor characterized by: comprising the disc core structure of any one of claims 1-3 and the coil winding.
5. A machining method for the disc motor of claim 4, characterized in that: the method comprises the following steps:
s1, uniformly cutting an iron core blank into a plurality of tooth blanks, processing each tooth blank into the iron core teeth, and processing the mounting seat on each iron core tooth;
s2, winding the coil windings on the iron core teeth;
and S3, embedding the mounting seats into the mounting grooves in a one-to-one corresponding sliding manner, placing and fixing the fixing plates so as to clamp and fix the iron core teeth, and completing the assembly of a disc-type iron core structure and the coil winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010262828.XA CN111404291B (en) | 2020-04-07 | 2020-04-07 | Disc type iron core structure, disc type motor and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010262828.XA CN111404291B (en) | 2020-04-07 | 2020-04-07 | Disc type iron core structure, disc type motor and machining method |
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| Publication Number | Publication Date |
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| CN111404291A CN111404291A (en) | 2020-07-10 |
| CN111404291B true CN111404291B (en) | 2021-06-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1685591A (en) * | 2002-09-27 | 2005-10-19 | 曹允铉 | A flat board type brushless DC motor |
| JP2009022147A (en) * | 2007-07-13 | 2009-01-29 | Sumitomo Electric Ind Ltd | Core for axial motor, stator and axial motor |
| JP2011045186A (en) * | 2009-08-21 | 2011-03-03 | Daikin Industries Ltd | Yoke for armatures, and armature |
| CN108432089A (en) * | 2016-01-14 | 2018-08-21 | 万络机电公司 | The stator for axial magnetic flux machinery with the track ring being made of module |
| CN109038978A (en) * | 2018-08-31 | 2018-12-18 | 冯桂宏 | A kind of axial-flux electric machine stator stack spells iron core and manufacturing method |
| CN110474452A (en) * | 2019-09-04 | 2019-11-19 | 上海盘毂动力科技股份有限公司 | A kind of disc type iron core and disc type electric machine |
-
2020
- 2020-04-07 CN CN202010262828.XA patent/CN111404291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1685591A (en) * | 2002-09-27 | 2005-10-19 | 曹允铉 | A flat board type brushless DC motor |
| JP2009022147A (en) * | 2007-07-13 | 2009-01-29 | Sumitomo Electric Ind Ltd | Core for axial motor, stator and axial motor |
| JP2011045186A (en) * | 2009-08-21 | 2011-03-03 | Daikin Industries Ltd | Yoke for armatures, and armature |
| CN108432089A (en) * | 2016-01-14 | 2018-08-21 | 万络机电公司 | The stator for axial magnetic flux machinery with the track ring being made of module |
| CN109038978A (en) * | 2018-08-31 | 2018-12-18 | 冯桂宏 | A kind of axial-flux electric machine stator stack spells iron core and manufacturing method |
| CN110474452A (en) * | 2019-09-04 | 2019-11-19 | 上海盘毂动力科技股份有限公司 | A kind of disc type iron core and disc type electric machine |
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| Publication number | Publication date |
|---|---|
| CN111404291A (en) | 2020-07-10 |
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