CN109309412A - The manufacturing method of stator, motor and stator - Google Patents
The manufacturing method of stator, motor and stator Download PDFInfo
- Publication number
- CN109309412A CN109309412A CN201811379945.3A CN201811379945A CN109309412A CN 109309412 A CN109309412 A CN 109309412A CN 201811379945 A CN201811379945 A CN 201811379945A CN 109309412 A CN109309412 A CN 109309412A
- Authority
- CN
- China
- Prior art keywords
- stator
- core
- bridge
- stamping
- stator core
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004080 punching Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 31
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000004804 winding Methods 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
- H02K1/14—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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of stators, the manufacturing method of motor and stator, it is related to motor field, existing linear stator core is constantly thickeied because of punching, the bending of stator core bridge is circlewise difficult, bridge stress rebounds after shaping, welding force is inadequate, stator of the invention includes stator core, insulating element and stator coil, stator core includes multiple stator core units, each stator core unit includes the multilayer punching sheet unit being stacked up and down, stator core unit includes stator yoke and stator tooth, adjacent stator core unit forms stator slot, two adjacent iron core units are connected by the bridge of stator yoke, and the bridge of the adjacent punching sheet unit in part is in off-state.Part bridge disconnects, and is easier to the direction bending into diameter of linear stator, the requirement to shaping device is effectively reduced, stator Cheng Yuanhou, stator will not rebound because the stress of bridge is excessive, and stator structure is in stable state, guarantee the precision of stator, improves product quality.
Description
Technical field
The present invention relates to the manufacturing methods of motor field more particularly to stator, motor and stator.
Background technique
In the past, then motor stator core carried out coiling stator coil using spooling equipment using whole punching mode, but
That this manufacture not only wastes permeability magnetic material, and winding efficiency is low, groove area cannot be utilized effectively, notch compared with
Greatly, motor performance is low.
With the fast development of science and technology, linear stator core straight line coiling stator coil manufacture development is fast
Speed solves the disadvantage that stator core entirety punching mode.In recent years, gradually become Electrical Enterprises and manufacture the main of stator
One of mode.But with the continuous increase of power of motor, stator core will also thicken therewith, bend at stator core bridging
Stress rebound, welding force are inadequate at bridging after circlewise difficult, shaping, and being that current those skilled in the art are urgently to be resolved asks
Topic.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
The manufacturing method of stator, motor and stator is provided, so as to be easily bent at stator core bridging, do not rebound at bridging after shaping and be
Purpose.For this purpose, the present invention takes following technical scheme.
A kind of stator has stator core, insulating element and stator coil, and the stator core is by arranged in a straight line more
A stator core unit edge rolling forms, and the stator core unit includes stator yoke and stator tooth, adjacent stator core unit
Stator slot is formed, the stator core unit includes the multilayer core stamping unit being stacked up and down, adjacent two iron cores punching
Blade unit is connected by the bridge of stator yoke, and the bridge of part core stamping unit is in off-state.Partial stator across
Socket part has disconnection, is easier to the direction bending into diameter of linear stator, stator core shaping is not needed high-power or provided very
The shaping device of big shaping power, reduces capital input, and can save the energy；Stator Cheng Yuanhou, stator will not be because of bridgings
The stress in portion is excessive and rebounds, and stator structure is in stable state, guarantees the precision of stator, improves product quality.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
The stator core is welded to connect in edge rolling joint, and welding position is equipped with the protrusion of prominent periphery, protrusion
It is recessed at center-line joint.Stator core local temperature is excessively high when the setting of protrusion can be avoided welding, destroys insulating element, another
Aspect guarantees the width of stator yoke, passes through magnetic field；In addition, during fabrication, quick identification positioning when convenient for welding, and
In protrusion, the recess welding of center-line joint, increases bonding area, makes to weld stronger, intensity is higher.
The stator core includes the first core stamping and the second core stamping, and the bridge of the first core stamping connects
It connects, the part bridge of the second core stamping is in off-state.The first core stamping that bridge is all connected with facilitates core stamping
Laminate arrangement, part bridge, convenient for reducing bounce when edge rolling, makes edge rolling more in the second core stamping of off-state
It is easy.
The bridge of adjacent 2 core stamping units of second core stamping disconnects.What bridge disconnected
Core stamping, almost without stress rebound, can greatly facilitate edge rolling in edge rolling.
It is disconnected after the bridge interval certain amount of second core stamping.Interval, which disconnects, reduces the punching of same layer iron core
The punching quantity of piece, be conducive to quickening core stamping is stacked service speed, and can also be effectively reduced stress rebound.
The interval quantity that the bridge disconnects is n, 4 >=n >=1.It is relatively fewer to be spaced quantity, can preferably reduce
Stress rebound.
The stator core is stacked structure by several first core stampings and several second core stampings alternatively up and down
At.It is stacked alternatively up and down, equably reduces stress rebound.
The stator core is formed by iron core top, in the middle part of iron core with mandrel lower, iron core top and mandrel lower by
Several first core stampings composition, iron core middle part are stacked by several second core stampings.Intermediate position uses second
Core stamping can greatly reduce the edge rolling stress rebound of stator, be easier edge rolling.
A kind of motor, including stator, the stator are stator described in any of the above embodiments.It is made of the structure stator
Motor reduces requirement of the constant power motor to equipment, under equivalent devices, can manufacture more high-power, stator stack thickness
Higher motor can satisfy demand of more clients to motor, improve occupation rate of market and enterprise competitiveness.
A kind of manufacturing method of stator, comprising the following steps:
1) with punching machine by silicon steel sheet or other permeability magnetic material punching at required different types of stator core stamping sheet, and mutually build up
Linearly；
2) insulating element is placed in stator core, and stator coil is around in stator slot, be placed in stator tooth surrounding；
3) by stator into diameter direction bending edge rolling, and at the protrusion sunken joint of edge rolling edge rolling joint weld；
4) stator core position is subjected to shaping；
5) stator core, insulating element and stator coil are coated with resin.Easily manufactured, overall procedure simple process can
It leans on, it may be convenient to use existing stator manufacturing apparatus and tool, and the requirement to equipment can be effectively reduced.
The utility model has the advantages that
1, by the bridge of disconnection, it is easier to the direction bending into diameter of linear stator, and it is anti-to greatly reduce stress
Bullet, the structural stability after enhancing stator brake forming, guarantees the precision of stator, improves Stator and electrical machine quality.
2, smaller due to being bent the opposite power needed, the requirement to equipment is greatly reduced, powerful device is not needed,
It does not need to provide the shaping device of very big shaping power, also saves the energy, reduce manufacturing cost.
3, the setting of the protrusion of edge rolling joint and its welding groove, stator core local temperature mistake when can be avoided welding
Height destroys insulating element, on the other hand guarantees the width of stator yoke, pass through magnetic field；And bonding area is increased, is made
Weld stronger, intensity is higher.
4, requirement of the constant power motor to equipment is reduced, under equivalent devices, more high-power, stator can be manufactured
Folded thick higher motor, can satisfy demand of more clients to motor, improves occupation rate of market and enterprise competitiveness.
Detailed description of the invention
Fig. 1 is stator structure schematic diagram of the present invention.
Fig. 2 is the first core stamping schematic diagram of the invention.
Fig. 3 is the portion the A enlarged diagram in Fig. 2 of the present invention.
Fig. 4 is that the present invention the first core stamping and the second core stamping arranged in a straight line are stacked schematic diagram alternatively up and down.
Fig. 5 is the second core stamping schematic diagram that bridge of the present invention disconnects.
Fig. 6 is the portion B enlarged diagram in Fig. 5 of the present invention.
Fig. 7 is the second core stamping schematic diagram that bridge interval of the present invention disconnects.
Fig. 8 is that middle part arranged in a straight line is that second core stamping is stacked schematic diagram.
In figure: 1- stator core；2- insulating element；3- stator coil；101- stator yoke；102- stator tooth；103- stator
Slot；104- bridge；The protrusion 105-；The first core stamping of 106-；The second core stamping of 107-.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in figures 1 to 6, a kind of stator has stator core 1, insulating element 2 and stator coil 3, and stator core 1 is by straight
Multiple stator core unit edge rollings of line arrangement form, and the stator core unit includes stator yoke 101 and stator tooth 102, phase
Adjacent stator core unit forms stator slot 103, and stator core unit includes the multilayer core stamping unit being stacked up and down, adjacent
Two core stamping units connected by the bridge 104 of stator yoke 101, and the bridge 104 of part core stamping unit
In off-state.
In order to guarantee that the stator quality after welding, stator core 1 are welded to connect in edge rolling joint, welding position is equipped with prominent
The protrusion 105 of periphery out is recessed at the center-line joint of protrusion 105.Stator core 1 when the setting of protrusion 105 can be avoided welding
Local temperature is excessively high, destroys insulating element 2, on the other hand guarantees the width of stator yoke 101, pass through magnetic field；In addition,
It when manufacture, positions convenient for the quick identification of welding, and is welded in the recess of 105 center-line joint of protrusion, increase bonding area,
Make to weld stronger, intensity is higher.
For the ease of laminating arrangement and being easier edge rolling, stator core 1 includes the first core stamping 106 and the second iron core
The bridge 104 of punching 107, the first core stamping 106 is all connected with, and the part bridge 104 of the second core stamping 107 is in disconnection
State.The first core stamping 106 that bridge 104 is all connected with facilitates the arrangement that laminates of core stamping, and part bridge 104 is in disconnected
Second core stamping 107 of open state is easier edge rolling convenient for reducing bounce when edge rolling.
In order to facilitate edge rolling to greatest extent, stress when reducing edge rolling rebounds, and adjacent 2 of the second core stamping 107
The bridge 104 of core stamping unit disconnects.The core stamping that bridge 104 disconnects is anti-almost without stress in edge rolling
Bullet can greatly facilitate edge rolling.
In order to equably reduce stress rebound, stator core 1 is by several first core stampings 106 and several
Second core stamping 107 is stacked to constitute alternatively up and down.It is stacked alternatively up and down, equably reduces stress rebound.
A kind of motor, including stator, stator are any of the above-described stator.Motor is made using the structure stator, is reduced
Requirement of the constant power motor to equipment can manufacture more high-power, the higher motor of stator stack thickness under equivalent devices,
It can satisfy demand of more clients to motor, improve occupation rate of market and enterprise competitiveness.
A kind of manufacturing method of stator, comprising the following steps:
1) with punching machine by silicon steel sheet or other permeability magnetic material punching at required different types of stator core stamping sheet, and mutually build up
Linearly；
2) insulating element 2 is placed in stator core 1, and stator coil 3 is around in stator slot 103, be placed in stator tooth 102 4
Week；
3) by stator into diameter direction bending edge rolling, and at 105 sunken joint of protrusion of edge rolling edge rolling joint weld；
4) 1 position of stator core is subjected to shaping；
5) stator core 1, insulating element 2 and stator coil 3 are coated with resin.It is easily manufactured, overall procedure simple process
Reliably, it may be convenient to use existing stator manufacturing apparatus and tool, and the requirement to equipment can be effectively reduced.
In this example, stator core 1 is overrided to form by Floor 12 core stamping, altogether includes 12 stator core units,
Stator core 1 is alternately overrided to form from top to bottom by 2 layer of first core stamping, 106,3 layer of second core stamping 107.
Example two
Core stamping with above example one is the difference is that as shown in fig. 7, the bridge 104 every of the second core stamping 107
It is disconnected every one.Interval disconnects the punching quantity for reducing same layer core stamping, and be conducive to quickening core stamping is stacked operation
Speed, and can also be effectively reduced stress rebound.
Example three
With above example one the difference is that as shown in figure 8, stator core 1 is by iron core top, iron core middle part and mandrel lower group
At, iron core top and mandrel lower are made of several first core stampings 106, in the middle part of iron core by several examples one and/or
The second core stamping 107 in example two is stacked.The edge rolling stress rebound that stator can greatly be reduced, holds that edge rolling more
Easily.
Example four
With above example three the difference is that being stacked in the middle part of iron core top and iron core by the second core stamping.
The manufacturing method of stator, motor shown in figure 1 above -8 and stator is specific embodiments of the present invention, has been embodied
Substantive distinguishing features of the present invention and progress out, can according to it is actual use needs, under the inspiration of the present invention, it is carried out shape,
The equivalent modifications of structure etc., the column in the protection scope of this programme.
Claims (10)
1. a kind of stator has stator core (1), insulating element (2) and stator coil (3), the stator core (1) is by straight
Multiple stator core unit edge rollings of line arrangement form, and the stator core unit includes stator yoke (101) and stator tooth
(102), adjacent stator core unit forms stator slot (103), it is characterised in that: the stator core unit includes up and down
The multilayer core stamping unit being stacked, two adjacent core stamping units are connected by the bridge (104) of stator yoke (101)
It connects, and the bridge (104) of part core stamping unit is in off-state.
2. a kind of stator according to claim 1, it is characterised in that: the stator core (1) is welded in edge rolling joint
It connects in succession, welding position is equipped with the protrusion (105) of prominent periphery, is recessed at the center-line joint of protrusion (105).
3. a kind of stator according to claim 1, it is characterised in that: the stator core (1) is rushed including the first iron core
The bridge (104) of piece (106) and the second core stamping (107), the first core stamping (106) is all connected with, the second core stamping
(107) part bridge (104) is in off-state.
4. a kind of stator according to claim 3, it is characterised in that: adjacent 2 of second core stamping (107)
The bridge (104) of core stamping unit disconnects.
5. a kind of stator according to claim 3, it is characterised in that: the bridge of second core stamping (107)
(104) it is disconnected after being spaced certain amount.
6. a kind of stator according to claim 3, it is characterised in that: the interval quantity that the bridge (104) disconnects
For n, 4 >=n >=1.
7. a kind of stator according to claim 1-6, it is characterised in that: the stator core (1) is by several
A first core stamping (106) and several second core stampings (107) are stacked to constitute alternatively up and down.
8. a kind of stator according to claim 1-6, it is characterised in that: the stator core (1) is by iron core
It is made of with mandrel lower composition, iron core top and mandrel lower several first core stampings (106) in the middle part of top, iron core,
It is stacked in the middle part of iron core by several second core stampings (107).
9. a kind of motor, including stator, it is characterised in that: the stator is the described in any item stators of claim 1-8.
10. using a kind of manufacturing method of stator described in claim 1-8, it is characterised in that the following steps are included:
1) with punching machine by silicon steel sheet or other permeability magnetic material punching at stator core stamping sheet, and be stacked the shape that is in line；
2) insulating element (2) is placed in stator core (1), and stator coil (3) is around in stator slot (103), it is fixed to be placed in
Sub- tooth (102) surrounding；
3) by stator into diameter direction bending edge rolling, and at the protrusion of edge rolling edge rolling joint (105) sunken joint weld；
4) stator core (1) position is subjected to shaping；
5) stator core (1), insulating element (2) and stator coil (3) are coated with resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379945.3A CN109309412A (en) | 2018-11-20 | 2018-11-20 | The manufacturing method of stator, motor and stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379945.3A CN109309412A (en) | 2018-11-20 | 2018-11-20 | The manufacturing method of stator, motor and stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109309412A true CN109309412A (en) | 2019-02-05 |
Family
ID=65223048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811379945.3A Pending CN109309412A (en) | 2018-11-20 | 2018-11-20 | The manufacturing method of stator, motor and stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309412A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504765A (en) * | 2019-08-07 | 2019-11-26 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator core, stator, motor and air conditioning device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0670513A (en) * | 1993-05-12 | 1994-03-11 | Shibaura Eng Works Co Ltd | Manufacture of stator core |
| JPH08205485A (en) * | 1995-01-26 | 1996-08-09 | Mitsui High Tec Inc | Manufacture of stator for electric rotating machine |
| JPH09191588A (en) * | 1995-11-02 | 1997-07-22 | Mitsubishi Electric Corp | Rotating electric apparatus |
| JPH09308144A (en) * | 1996-05-14 | 1997-11-28 | Matsushita Electric Ind Co Ltd | Stator of motor |
| JP2005229704A (en) * | 2004-02-12 | 2005-08-25 | Nidec Shibaura Corp | Stator core and stator |
| JP2006352991A (en) * | 2005-06-15 | 2006-12-28 | Toshiba Industrial Products Manufacturing Corp | Stator core for rotating electric machine and stator |
| JP2012205444A (en) * | 2011-03-28 | 2012-10-22 | Daikin Ind Ltd | Stator core, method for manufacturing the same, and motor |
| CN208986692U (en) * | 2018-11-20 | 2019-06-14 | 卧龙电气集团股份有限公司 | A kind of stator and the motor with the stator |
-
2018
- 2018-11-20 CN CN201811379945.3A patent/CN109309412A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0670513A (en) * | 1993-05-12 | 1994-03-11 | Shibaura Eng Works Co Ltd | Manufacture of stator core |
| JPH08205485A (en) * | 1995-01-26 | 1996-08-09 | Mitsui High Tec Inc | Manufacture of stator for electric rotating machine |
| JPH09191588A (en) * | 1995-11-02 | 1997-07-22 | Mitsubishi Electric Corp | Rotating electric apparatus |
| JPH09308144A (en) * | 1996-05-14 | 1997-11-28 | Matsushita Electric Ind Co Ltd | Stator of motor |
| JP2005229704A (en) * | 2004-02-12 | 2005-08-25 | Nidec Shibaura Corp | Stator core and stator |
| JP2006352991A (en) * | 2005-06-15 | 2006-12-28 | Toshiba Industrial Products Manufacturing Corp | Stator core for rotating electric machine and stator |
| JP2012205444A (en) * | 2011-03-28 | 2012-10-22 | Daikin Ind Ltd | Stator core, method for manufacturing the same, and motor |
| CN208986692U (en) * | 2018-11-20 | 2019-06-14 | 卧龙电气集团股份有限公司 | A kind of stator and the motor with the stator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504765A (en) * | 2019-08-07 | 2019-11-26 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator core, stator, motor and air conditioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 312300 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Applicant after: WOLONG ELECTRIC GROUP Co.,Ltd. Applicant after: WOLONG ELECTRIC (JINAN) MOTOR Co.,Ltd. Address before: Shangyu District Economic Development Zone, Shaoxing City, Zhejiang Province Applicant before: WOLONG ELECTRIC GROUP Co.,Ltd. Country or region before: China Applicant before: WOLONG ELECTRIC (JINAN) MOTOR Co.,Ltd. |
|
| CB02 | Change of applicant information |