CN107453567B - A kind of processing method of disk type electric machine stator iron core - Google Patents

A kind of processing method of disk type electric machine stator iron core Download PDF

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Publication number
CN107453567B
CN107453567B CN201710930425.6A CN201710930425A CN107453567B CN 107453567 B CN107453567 B CN 107453567B CN 201710930425 A CN201710930425 A CN 201710930425A CN 107453567 B CN107453567 B CN 107453567B
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iron core
stator
indexing
type electric
electric machine
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CN107453567A (en
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宁杰
韩雪岩
佟文明
王凯东
贾建国
朱龙飞
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Shenyang University of Technology
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Shenyang University of Technology
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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
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

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  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses a kind of processing methods of disk type electric machine stator iron core, characterized by the following steps: by silicon steel sheet strip coil around to defined size, stator core blank is formed after suitably welding;It uses grinding machine to carry out a small amount of finishing using the positioning reference plane as following process the one side that stator core blank welds, then stator core blank is fixed on indexing means;Indexing means is fixed on the wire cutting machine tool of processing, flute profile is processed;After the complete corresponding stator slot shape of time processing, adjustment one tooth pitch of indexing means processes next flute profile;It repeats the above steps and successively processes, until processing the stator slot shape in all stator cores.The present invention furthers investigate the processing of disk type electric machine stator iron core, develops the processing method and device of a kind of disk type electric machine stator iron core.

Description

A kind of processing method of disk type electric machine stator iron core
Technical field
The present invention relates to technical field of motors, the winding of disk type electric machine stator iron core band, stator core are related generally to Flute profile processing, the in particular to a kind of processing method of disk type electric machine stator iron core.
Background technique
At present in the world, disc type electric machine has developed to quite high level, many variety classes, different knots occurs The disc type electric machine of structure, different purposes, application is throughout the every field from national economy to national defense industry.China is to disc type electric machine Research start late, design with manufacture aggregate level it is not high.
The stator core of domestic production disc type electric machine at present is by the punching of flute profile and winding two of stator punching mostly It is grouped as, rushes volume equipment processing stator core automatically using iron core, silicon steel sheet band forms Unequal distance slot after cold punching flute profile Shape, then rolled (be similar to steel tape blade winding method) and form that stator core end face is radial or oblique radial notch, processing To defined inside/outside diameter size.This kind of processing method the degree of automation is relatively high, and the machining accuracy of flute profile size mainly depends on The precision of volume equipment is rushed automatically in stator core.But since cold punching flute profile Unequal distance and winding silicon steel sheet band pretightning force are different Etc. reasons make the flute profile of the stator core of coiling and molding uneven so that the practical efficiency of stator slot shape has to a certain degree Reduction, the practical copper factor of motor is often higher than Theoretical Design value, this causes certain difficulty to the offline of motor.Therefore, it adopts The appropriate design value for reducing copper factor is needed when rushing the stator core of volume equipment processing automatically with stator core.
Summary of the invention
Goal of the invention:
Stator core due to rushing volume equipment processing automatically using iron core has the limitation of itself, and the present invention is to disc type electricity The processing of machine stator iron core is furtherd investigate, and the processing method and device of a kind of disk type electric machine stator iron core are developed.
Technical solution:
A kind of processing method of disk type electric machine stator iron core, characterized by the following steps:
Step 1: stator core winding installation is used, silicon steel sheet band one end is placed on the first iron core bracket, the other end It is placed on the second iron core bracket, the first iron core bracket winds silicon steel sheet band, and the second iron core bracket provides pre- to silicon steel sheet band Clamp force is chosen according to the stacking factor of punching and appropriate laminates required pretightning force for silicon steel sheet strip coil around to defined ruler It is very little, stator core blank is formed after suitably welding;
Step 2: grinding machine is used to carry out a small amount of finishing to determine as following process the one side that stator core blank welds Stator core blank, is then fixed on indexing means by position datum level;
Step 3: indexing means is fixed on the wire cutting machine tool of processing, processes the odd, even of flute profile according to design Number, one flute profile of time processing or two flute profiles of time processing when even number when odd number;
Step 4: after the complete corresponding stator slot shape of time processing, adjustment one tooth pitch of indexing means processes next flute profile;
Step 5: repeating step 4 and successively process, until processing the stator slot shape in all stator cores.
The stator core winding installation includes workbench, the first iron core bracket, the second iron core bracket, pressure sensing Device, spool driving device, load device and control platform, the first iron core bracket, the second iron core bracket and control platform are set to On horizontal workbench, the first iron core branch is provided with winding driving device, sets at the bracket of winding driving device driving rotation There is pressure sensor, the second iron core branch is provided with load device, the direction of loading means motor rotation and winding driving device electricity The direction of machine rotation is identical, and control platform passes through circuit connection the first iron core bracket and the second iron core bracket, control spool driving Device and load device.
The indexing means includes fixed part, rotating part, indexing to determining mechanism, clump weight and lift retaining mechanism, Fixed part fixes rotating part level, is fixed with indexing to determining mechanism in one end of rotating part, and indexing is set to determining mechanism There is the index dial of gear-like, lifts retaining mechanism in indexing to mechanism side is determined, lifting retaining mechanism can rotate and be clamped point Scale lifts retaining mechanism and indexing to the index dial for determining mechanism using double inclined plane finger setting, can eliminate indexing auxiliary air gap pair The influence of indexing accuracy.
The indexing is also equipped with clump weight to determining mechanism.
The stacking factor control is 0.92-0.95.
The first iron core bracket and the second iron core branch are provided with circle counting number measuring device.
Advantage and effect
A kind of processing method of disk type electric machine stator iron core of the present invention, has the following advantages and beneficial effects:
The device structure that the present invention uses is simple and practical, mechanization degree is high, and stator slot shape machining accuracy is high, to stator slot Shape can accurately be controlled by design requirement, reduced iron core and rushed volume equipment processing stator core bring flute profile accumulation automatically Error, when design of electrical motor, can properly increase the design value of motor copper factor, and the utilization rate of flute profile is further enhanced, and fixed Sub- iron core internal-and external diameter is not limited by capacity motor.
Detailed description of the invention
Fig. 1 stator core winding installation structure diagram;
Fig. 2 indexing means structure diagram.
1. the first iron core bracket, 2. stator core blanks, 3. pressure sensors, 4. winding driving devices, 5. silicon steel sheet bands Material, 6. load devices, 7. control platforms, 8. rotating parts, 9. fixed parts, 10. workbenches, 11. indexing to determining mechanism, 12. clump weight, 13. lift retaining mechanism, 14. second iron core brackets.
Specific embodiment
Following further describes the present invention with reference to the drawings:
A kind of processing method of disk type electric machine stator iron core, includes the following steps:
Step 1: using stator core winding installation, 5 one end of silicon steel sheet band be placed on the first iron core bracket 1, another End is placed on the second iron core bracket 14, and the first iron core bracket 1 winds silicon steel sheet band 5, and the second iron core bracket 14 gives silicon steel sheet band Material 5 provides pretightning force, is chosen according to the stacking factor of punching and appropriate laminate required pretightning force and be wound to silicon steel sheet band 5 Defined size forms stator core blank 2 after suitably welding;
Step 2: grinding machine is used to carry out a small amount of finishing using as following process the one side that stator core blank 2 welds Then stator core blank 2 is fixed on indexing means by positioning reference plane;
Step 3: indexing means is fixed on the wire cutting machine tool of processing, processes the odd, even of flute profile according to design Number, one flute profile of time processing or two flute profiles of time processing when even number when odd number;
Step 4: after the complete corresponding stator slot shape of time processing, adjustment one tooth pitch of indexing means processes next flute profile;
Step 5: repeating step 4 and successively process, until processing the stator slot shape in all stator cores.
Stacking factor described in above-mentioned steps one is controlled 0.92-0.95;The first iron core bracket 1 and the second iron core Bracket 14 is equipped with circle counting number measuring device.
As shown in Figure 1, stator core winding installation includes workbench 10, the first iron core bracket 1, the second iron core bracket 14, pressure sensor 3, spool driving device 4, load device 6 and control platform 7, the first iron core bracket 1, the second iron core bracket 14 and control platform 7 be set on horizontal workbench 10, the first iron core bracket 1 be equipped with winding driving device 4, winding driving Pressure sensor 3 is equipped at the bracket of the driving rotation of device 4, the second iron core bracket 14 is equipped with load device 6, and load device 6 drives Pressure sensor 3, the direction of 6 motor of load device rotation and winding 4 motor of driving device rotation also are provided at the bracket of dynamic rotation The direction turned is identical, and control platform 7 passes through the first iron core of circuit connection bracket 1 and the second iron core bracket 14, control spool driving Device 4 and load device 6.
Iron core bracket 1 is adjustable according to the size of winding 2 internal diameter of stator core blank, is suitable for different size disc type electricity The winding of machine stator iron core.Pressure sensor 3, pressure sensor 3, winding driving are housed on iron core bracket 1 and iron core bracket 2 Device 4 and load device 6 constitute closed-loop control system, constantly monitor 2 laminated piezo of stator core blank, 6 basis of load device Pressure signal is carried out and floats load to control core-lamination stack pressure, and winding speed uses variable speed.
As shown in Fig. 2, indexing means include fixed part 9, rotating part 8, indexing to determine mechanism 11, clump weight 12 and lift Retaining mechanism 13 is played, fixed part 9 is horizontal fixed by rotating part 8, is fixed with indexing to determining mechanism in one end of rotating part 11, it indexes to the index dial determined mechanism 11 and be equipped with gear-like, indexing is to determining mechanism 11 and be also equipped with clump weight to lift retaining mechanism 13 are indexing to 11 side of mechanism is determined, and index dial can be rotated and be clamped by lifting retaining mechanism 13, lift retaining mechanism 13 and divide It spends to the index dial for determining mechanism 11 using double inclined plane finger setting, influence of the indexing auxiliary air gap to indexing accuracy can be eliminated.
It indexes to the index dial for determining mechanism 11 and lifts that be collectively referred to as indexing with the indexing locator of retaining mechanism 13 secondary.Indexing essence Degree depends primarily on the secondary precision of indexing, and indexes secondary precision and depend primarily on index dial and index the mutual alignment of locator And structure type.In the identical situation of indexing disk diameter, index hole is remoter apart from axis of rotation, and indexing accuracy is higher, so Radial indexing is higher.
The processing of stator core flute profile is mainly fixed by the disc type electric machine iron core blank 2 of stator core winding device coiling and molding It is fixed on the wire cutting machine tool of processing on stator core indexing means, then by indexing means, is processed according to design requirement Required stator slot shape.
The configuration of the present invention is simple is practical, mechanization degree is high, and stator slot shape machining accuracy is high, can be by setting to stator slot shape Meter requires accurately to be controlled, and reduces iron core and rushes volume equipment processing stator core bring flute profile accumulated error, electromagnetism automatically The design value of motor copper factor can be properly increased when conceptual design, the utilization rate of flute profile is further enhanced, and stator iron Intracardiac outer diameter is not limited by capacity motor.

Claims (6)

1. a kind of processing method of disk type electric machine stator iron core, characterized by the following steps:
Step 1: stator core winding installation is used, silicon steel sheet band one end is placed on the first iron core bracket, the other end is placed in On second iron core bracket, the first iron core bracket winds silicon steel sheet band, and the second iron core bracket provides pretightning force to silicon steel sheet band, It is chosen according to the stacking factor of punching and appropriate laminates required pretightning force for silicon steel sheet strip coil around to defined size, through suitable Stator core blank is formed after welding;
Step 2: grinding machine is used to carry out a small amount of finishing using the positioning base as following process the one side that stator core blank welds Then stator core blank is fixed on indexing means by quasi- face;
Step 3: indexing means is fixed on the wire cutting machine tool of processing, processes odd, even of flute profile according to design Number, one flute profile of time processing or two flute profiles of time processing when even number when odd number;
Step 4: after the complete corresponding stator slot shape of time processing, adjustment one tooth pitch of indexing means processes next flute profile;
Step 5: repeating step 4 and successively process, until processing the stator slot shape in all stator cores.
2. the processing method of disk type electric machine stator iron core according to claim 1, it is characterised in that: the stator core volume It include workbench, the first iron core bracket, the second iron core bracket, pressure sensor, spool driving device, load device around equipment And control platform, the first iron core bracket, the second iron core bracket and control platform are set on horizontal workbench, the first iron core Branch is provided with winding driving device, is equipped with pressure sensor, the second iron core bracket at the bracket of winding driving device driving rotation Equipped with load device, the direction of loading means motor rotation is identical as the direction of winding driving device motor rotation, control platform By circuit connection the first iron core bracket and the second iron core bracket, spool driving device and load device are controlled.
3. the processing method of disk type electric machine stator iron core according to claim 1, it is characterised in that: the indexing means packet Fixed part, rotating part, indexing are included to determining mechanism, clump weight and lift retaining mechanism, fixed part is by rotating part level It is fixed, indexing, which is fixed with, in one end of rotating part lifts lock to index dial of the mechanism equipped with gear-like is determined to mechanism, indexing is determined In indexing to mechanism side is determined, index dial can be rotated and be clamped by lifting retaining mechanism for tight mechanism, lift retaining mechanism and indexing To the index dial for determining mechanism using double inclined plane finger setting, influence of the indexing auxiliary air gap to indexing accuracy can be eliminated.
4. the processing method of disk type electric machine stator iron core according to claim 3, it is characterised in that: the indexing is to determining machine Structure is also equipped with clump weight.
5. the processing method of disk type electric machine stator iron core according to claim 2, it is characterised in that: the stacking factor control System is 0.92-0.95.
6. the processing method of disk type electric machine stator iron core according to claim 2, it is characterised in that: the first iron core branch Frame and the second iron core branch are provided with circle counting number measuring device.
CN201710930425.6A 2017-10-09 2017-10-09 A kind of processing method of disk type electric machine stator iron core Active CN107453567B (en)

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CN110266154A (en) * 2019-07-26 2019-09-20 北极鸥盘式特种电机深圳有限公司 The rapid processing technique of disc type electric machine amorphous iron core
CN110601467B (en) * 2019-10-09 2020-08-07 滨州博而特电机有限公司 Motor stator core finish machining automation device
CN112421897B (en) * 2020-08-19 2024-04-12 沈阳工业大学 Method for manufacturing stator core of yoke-free segmented armature axial flux motor

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CN2112222U (en) * 1992-02-14 1992-08-05 常景蔚 Disk-type motor using non-punched slot iron core
CN101640453A (en) * 2008-07-30 2010-02-03 上海华银电器有限公司 Device for producing disk type motor stator core
JP5121632B2 (en) * 2008-08-26 2013-01-16 三菱電機株式会社 Rotating electric machine, stator core thereof, and method of manufacturing stator core
JP6412737B2 (en) * 2014-08-20 2018-10-24 オークマ株式会社 Electric motor stator
CN105529876B (en) * 2016-01-28 2018-08-10 沈阳工业大学 A kind of composite excitation permanent magnet wind power generator manufacturing process

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