CN110165800A - A kind of processing method of the structure and its stator core of stator core - Google Patents
A kind of processing method of the structure and its stator core of stator core Download PDFInfo
- Publication number
- CN110165800A CN110165800A CN201910383536.9A CN201910383536A CN110165800A CN 110165800 A CN110165800 A CN 110165800A CN 201910383536 A CN201910383536 A CN 201910383536A CN 110165800 A CN110165800 A CN 110165800A
- Authority
- CN
- China
- Prior art keywords
- stator
- punching
- magnetic material
- stator core
- permeability magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 238000004080 punching Methods 0.000 claims abstract description 52
- 239000000696 magnetic material Substances 0.000 claims abstract description 45
- 230000035699 permeability Effects 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 14
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 8
- 239000012761 high-performance material Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 229910052742 iron Inorganic materials 0.000 description 10
- 229910000967 As alloy Inorganic materials 0.000 description 7
- 238000010030 laminating Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of structure of stator core and its processing methods of stator core, using the permeability magnetic material of common performance as punching material parent, the structure and technological design of higher performance permeability magnetic material are refilled after the teeth portion progress hollow out of punching, since the stator punching ductility of common performance is preferable, it can be by dedicated stator punching up- coiler by the stator core parent of the spiral stepped construction of stator punching coiling process, and the hollow out hole slot of teeth portion is made to be aligned to be formed and the equidirectional hole slot of motor shaft, it can be filled with the permeability magnetic material of higher performance in hole slot, the problem of processing can not being wound using higher performance permeability magnetic material at present to effective solution, both high performance material has been saved, reduce cost, it can also significantly promote the performance of motor.
Description
Technical field
The present invention relates to motor technology, the processing method of the structure and its stator core of specifically a kind of stator core.
Background technique
Motor stator generally uses whole punching at present, then by punching closed assembly, due to this stator laminating structure iron core
Stock utilization is low, and stator punching section with strip is arranged in order to save material someone, then adopts the stator punching of strip
Looped-shaped bending is wound with special equipment, then again overlapped cricoid punching progress helical form and forms stator core；
But there is also certain limitations for the stator core added in this way, since the stator material hardness of better performances is higher,
Ductility is poor, be easy to cause punching yoke portion part cracking even all disconnected after being bent stator punching using winding process
It splits, causes stator core can not normal use；And the often poor performance of the preferable material of ductility, this volume can be used at present
The permeability magnetic material of winding technologe peak performance is Baosteel B35A300 silicon steel sheet, and such as the silicon steel sheet marked as Baosteel B35A210 cannot
It is produced using this technique, in addition the alloy permeability magnetic material also with more high permeability and lower iron loss is due to its mechanical property
Be not available traditional punching machine at all and be processed into stator punching, be for alloy material can not use at all it is any type of
Winding process is processed, and therefore, traditional stator laminating structure and winding process are can not to promote the performance of motor
's.
Summary of the invention
The purpose of the present invention is to provide a kind of structure of stator core and its processing methods of stator core, using common
The permeability magnetic material of performance acts on punching material, the design of hollow out is carried out in the teeth portion of punching, due to common performance permeability magnetic material
Stator punching ductility is preferable, can be by dedicated up- coiler by the spiral stepped construction stator iron of stator punching coiling process
Core parent, and make the hollow out hole slot of teeth portion be aligned to be formed with axis equidirectional hole slot, higher performance can be filled in hole slot and lead
Magnetic material, thus effective solution can not be wound at present using high-performance permeability magnetic material (such as alloy permeability magnetic material) plus
The problem of work, had both saved high-performance permeability magnetic material, had reduced costs, and can also significantly promote the performance of motor.
Following technical scheme is used to achieve the above object:
A kind of structure of stator core, the stator punching ontology including strip, the stator punching of strip include strip yoke portion
And the teeth portion in the one vertical uniform distribution in lateral edge strip yoke portion of strip yoke portion, the free ending tool of teeth portion have tooth boot portion, feature exists
In: the teeth portion offers hole slot, and the stator punching ontology of the strip carries out helical form stacking through dedicated winding apparatus
The hole slot of stator core parent, each upper and lower level punching is mutually aligned, and is formed several ring-types and is evenly distributed with and has hollow out knot in teeth portion
The longitudinal slot of structure.
The stator punching ontology is stamped to form by the preferable common performance permeability magnetic material that extends.
A kind of processing method of stator, it is characterised in that: first use the strip stator punching that teeth portion is provided with hole slot
Dedicated winding is machined to helicoidal structure, and hole slot of the helical form stator punching up and down between each layer is mutually aligned, so
The stator punching of helicoidal structure is compacted to by particular manufacturing craft afterwards and is shaped to the cricoid stator core of standard round, due to each up and down
Layer hole slot alignment forms longitudinal slot in stator core teeth portion, and each longitudinal slot annularly arranges；And in each axial hole
The permeability magnetic material (such as alloy permeability magnetic material) of higher performance can be filled in slot.
For the present invention by being suitably modified to stator laminating structure, height can not be processed by traditional winding process firmly by changing
The stator that teeth portion has hollow out hole slot is made by the permeability magnetic material of common performance in the defect of degree, high-performance permeability magnetic material iron core
Iron core parent, due to common performance permeability magnetic material ductility preferably, it is more flexible, can be by stator punching up- coiler by item
The stator punching of shape is processed into the stator core parent of helical form stacking, and the hole slot of teeth portion forms several along ring after stacking
The longitudinal slot of shape arrangement, can be filled the permeability magnetic material (such as alloy permeability magnetic material) of higher performance in longitudinal slot, due to
Mainly in teeth portion, the iron core teeth portion that the present invention is formed has opened up longitudinal slot and can fill more in hole slot electric machine iron core iron loss
High performance permeability magnetic material (such as alloy permeability magnetic material) just can solve most of as caused by common performance permeability magnetic material
Iron loss problem, present invention employs winding process to process stator core, and this process efficiency is high, saves material, and in stator
The permeability magnetic material (such as alloy permeability magnetic material) of higher performance can be filled in the longitudinal slot of iron core teeth portion, it is this to wind and inlay
Mutually matched method had both reduced the waste of high-performance permeability magnetic material, had saved cost, can also significantly reduce stator
The iron loss of iron core greatly promotes the performance of motor.
Detailed description of the invention
Fig. 1 is strip stator laminating structure schematic diagram of the present invention；
Fig. 2 is stator core construction schematic diagram after strip stator punching of the present invention winding；
Fig. 3 is stator core side structure diagram after strip stator punching winding of the present invention.
Specific embodiment
As shown in Figure 1-3, a kind of structure of stator core, the stator punching ontology 1 including strip, the stator punching
Piece ontology 1 is stamped to form by the permeability magnetic material for the preferable common performance that extends, and the stator punching of strip includes strip yoke portion 11
And the teeth portion 12 in the one vertical uniform distribution in lateral edge strip yoke portion of strip yoke portion, the free ending tool of teeth portion 12 have tooth boot portion 15, institute
The teeth portion 12 stated offers hole slot 13, and stator punching ontology (such as Fig. 1) helical form of the strip is formed by bending cricoid iron
The hole slot of core parent, each upper and lower level punching is mutually aligned the longitudinal slot to form several annular arrangements.
A kind of processing method of stator, the strip stator punching that teeth portion is provided with to hole slot first are rushed using dedicated stator
Piece, which is wound, is machined to the stator core parent of helical layer stack structure, and the helical form stator punching hole between each layer up and down
Slot is mutually aligned, and then by the stator punching special equipment and compaction die of helicoidal structure and is shaped to cricoid stator iron
Core parent forms longitudinal slot in stator core teeth portion, each longitudinal slot is annularly arranged due to the hole slot alignment of each layer up and down
Column；Then high-performance permeability magnetic material (such as alloy permeability magnetic material) is filled in each longitudinal slot.
The present invention carries out hollow design by the teeth portion to stator punching, and changing traditional handicraft can not be by winding process
The defect of processing high-hardness, high-performance permeability magnetic material iron core, using common performance permeability magnetic material have preferable ductility and
Iron core parent is made by the permeability magnetic material of common performance in plasticity, then higher performance is filled in the teeth portion hole slot in parent
Permeability magnetic material is as main flux path, to reach the dual purpose for improving motor performance and reducing high-performance permeability magnetic material.By
It is preferable, flexible in the permeability magnetic material ductility of common performance, it can be by stator punching up- coiler by the stator punching of strip
It is wound into the stator core parent of spiral helicine stepped construction, and the hole slot of teeth portion is by forming several annular arrangements after stacking
Longitudinal slot, and can longitudinal slot fill higher performance permeability magnetic material such as Baosteel B35A210 silicon steel sheet, alloy lead
Magnetic material or ferrite permeability magnetic material etc., iron core iron loss when due to motor work is concentrated mainly on teeth portion, thus the present invention is fixed
The permeability magnetic material of higher performance can be filled in the longitudinal slot that the iron core teeth portion of type opens up, can solve very well it is most of due to
The larger problem of the iron loss that common performance permeability magnetic material generates, the present invention process stator core, a root long item using winding process
The stator punching of shape can wind a stator core parent, and this process efficiency is high, save material, and in stator iron core tooth
The permeability magnetic material (such as alloy permeability magnetic material) that higher performance can be filled at the longitudinal slot in portion, compensates for common performance magnetic conduction
The larger problem of iron loss existing for material, this winding with inlay mutually matched method both and reduce high-performance permeability magnetic material
Waste, has saved cost, can also significantly reduce the iron loss of stator core, greatly promotes the performance of motor.
Claims (3)
1. a kind of structure of stator core, the stator punching ontology including strip, the stator punching of strip include strip yoke
Portion and teeth portion in the one vertical uniform distribution in lateral edge strip yoke portion of strip yoke portion, the free ending tool of teeth portion have tooth boot portion, feature
Be: the teeth portion offers hole slot, and the stator punching ontology of the strip carries out helical form through stator punching up- coiler
The hole slot of the stator core parent of stepped construction, each upper and lower level punching is mutually aligned, and is formed several ring-types and is evenly distributed with and in teeth portion
Longitudinal slot with engraved structure.
2. a kind of structure of stator core as described in claim 1, it is characterised in that: the stator punching ontology is by extending
Preferable common performance permeability magnetic material is stamped to form.
3. a kind of processing method of stator, it is characterised in that: teeth portion is provided with to the strip stator punching of hole slot first using fixed
Sub- punching winding is machined to the stator core parent of helical layer stack structure, and helical form stator punching is up and down between each layer
Hole slot be mutually aligned, the stator punching of helicoidal structure is compacted by particular manufacturing craft then and to be shaped to standard round cricoid fixed
Sub- iron core forms longitudinal slot in stator core teeth portion, each longitudinal slot is annularly arranged due to each layer hole slot alignment up and down
Column；And the permeability magnetic material of higher performance can be filled in each longitudinal slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383536.9A CN110165800A (en) | 2019-05-09 | 2019-05-09 | A kind of processing method of the structure and its stator core of stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383536.9A CN110165800A (en) | 2019-05-09 | 2019-05-09 | A kind of processing method of the structure and its stator core of stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110165800A true CN110165800A (en) | 2019-08-23 |
Family
ID=67634026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383536.9A Pending CN110165800A (en) | 2019-05-09 | 2019-05-09 | A kind of processing method of the structure and its stator core of stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110165800A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671184A (en) * | 2021-01-13 | 2021-04-16 | 重庆唯远实业有限公司 | Production process of low-cost motor stator |
| CN114079329A (en) * | 2020-08-20 | 2022-02-22 | 中车株洲电力机车研究所有限公司 | Motor stator and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136178A (en) * | 2004-11-09 | 2006-05-25 | Mitsui High Tec Inc | Manufacturing method of stacked stator core |
| US20110221297A1 (en) * | 2008-09-29 | 2011-09-15 | Charles Richard Langford | Winding insulation arrangement for axial flux machines |
| CN103493338A (en) * | 2011-05-23 | 2014-01-01 | 三菱电机株式会社 | Permanent magnet-type rotating electric machine |
| CN109478808A (en) * | 2016-07-18 | 2019-03-15 | 根特大学 | Stator and its production method for axial flux machine |
| CN209767253U (en) * | 2019-05-09 | 2019-12-10 | 台州市路桥鼎新阳光机电科技有限公司 | Stator core structure |
-
2019
- 2019-05-09 CN CN201910383536.9A patent/CN110165800A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136178A (en) * | 2004-11-09 | 2006-05-25 | Mitsui High Tec Inc | Manufacturing method of stacked stator core |
| US20110221297A1 (en) * | 2008-09-29 | 2011-09-15 | Charles Richard Langford | Winding insulation arrangement for axial flux machines |
| CN103493338A (en) * | 2011-05-23 | 2014-01-01 | 三菱电机株式会社 | Permanent magnet-type rotating electric machine |
| CN109478808A (en) * | 2016-07-18 | 2019-03-15 | 根特大学 | Stator and its production method for axial flux machine |
| CN209767253U (en) * | 2019-05-09 | 2019-12-10 | 台州市路桥鼎新阳光机电科技有限公司 | Stator core structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114079329A (en) * | 2020-08-20 | 2022-02-22 | 中车株洲电力机车研究所有限公司 | Motor stator and motor |
| CN112671184A (en) * | 2021-01-13 | 2021-04-16 | 重庆唯远实业有限公司 | Production process of low-cost motor stator |
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