CN107508393A - A kind of asynchronous machine copper rotor and its manufacturing process - Google Patents
A kind of asynchronous machine copper rotor and its manufacturing process Download PDFInfo
- Publication number
- CN107508393A CN107508393A CN201710830091.5A CN201710830091A CN107508393A CN 107508393 A CN107508393 A CN 107508393A CN 201710830091 A CN201710830091 A CN 201710830091A CN 107508393 A CN107508393 A CN 107508393A
- Authority
- CN
- China
- Prior art keywords
- sliver
- end ring
- rotor
- asynchronous machine
- rotor core
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Classifications
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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
- H02K1/22—Rotating parts of the magnetic circuit
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Induction Machinery (AREA)
Abstract
The invention discloses a kind of manufacturing process of asynchronous machine copper rotor, it is related to technical field of motors, comprises the following steps：Rotor core is made, silicon steel plate punching press shaft outlet hole and some sliver holes are formed into punching silicon steel sheet using diel, each punching silicon steel sheet is superimposed rotor core is made；End ring is made, end ring is made using fine copper powder metallurgical technique, and with reserving groove corresponding with sliver hole on end ring, and the madial wall of groove surrounding is provided with 3~4 ° of pattern draft；Sliver is made, is manufactured using cold-drawing technology and sliver is made；After obtained rotor core, end ring and sliver are assembled, it is integrated using sensing heating riveting, forms asynchronous machine copper rotor；The surfaces externally and internally of asynchronous machine copper rotor is finally machined to process.The present invention improves motor performance, simple and reliable process, and manufacturing cost is lower compared with Conventional processing methods.
Description
Technical field
The present invention relates to technical field of motors, is specifically a kind of asynchronous machine copper rotor and its manufacturing process.
Background technology
Copper rotor asynchronous machine is because its reliability is high, speed adjustable range is well widely used in high-power electric vehicle traction
In motor.Stuck with copper sliver in the rotor slot of traditional copper sliver asynchronous machine, the both ends of rotor be respectively arranged with it is a piece of with
Its copper end ring that slot number amount is equal and radial dimension is suitable, the both ends of copper sliver are inserted in the groove of copper end ring respectively, and are passed through
Welding procedure makes each copper sliver and two panels end ring in rotor form the loop of closure sliver and fastening end rings.The structure pair
Copper bar requires very high with the degree that rotor slot shape coordinates, and the phenomenon of copper bar play in groove otherwise will be caused, to electronic captain
Phase operation brings hidden danger, and the reliability standard of this kind of copper rotor is low.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of asynchronous machine copper rotor and its system
Technique is made, improves motor performance.
To achieve the above objectives, the present invention adopts the technical scheme that：A kind of manufacturing process of asynchronous machine copper rotor, bag
Include following steps：Rotor core is made, silicon steel plate punching press shaft outlet hole and some sliver holes are formed into punching press silicon using diel
Steel disc, each punching silicon steel sheet is superimposed rotor core is made；End ring is made, end ring is made using fine copper powder metallurgical technique, and
With reserving groove corresponding with sliver hole on end ring, and the madial wall of groove surrounding is provided with 3~4 ° of pattern draft；Make
Sliver, manufactured using cold-drawing technology and sliver is made；After obtained rotor core, end ring and sliver are assembled, added using sensing
Hot riveting is integrated, and forms asynchronous machine copper rotor；The surfaces externally and internally of asynchronous machine copper rotor is finally machined to technique chi
It is very little.
On the basis of above-mentioned technical proposal, after end ring and sliver complete, all handled simultaneously by surface de-oxidation skin
It is silver-plated.
The invention also discloses one kind be based on asynchronous machine copper rotor made of above-mentioned manufacturing process, including rotor core with
Some slivers, rotor core are provided at both ends with end ring, and axis hole is provided with the middle part of the rotor core, is surround around axis hole
It is provided with some sliver holes；Centre bore in the middle part of the end ring is corresponding with the axis hole；The end ring is further opened with some logical
Groove, each groove corresponds with sliver hole, and the madial wall of groove surrounding is provided with 3~4 ° of pattern draft；The sliver is inserted
In corresponding sliver hole, and the both ends of sliver pass end ring by groove.
On the basis of above-mentioned technical proposal, the surface of the end ring and sliver is provided with silver coating.
On the basis of above-mentioned technical proposal, the sliver is made up of fine copper or red copper material.
On the basis of above-mentioned technical proposal, the section of the sliver is in approximate kidney ellipsoid, and the radius of two semi arches
It is unequal.
On the basis of above-mentioned technical proposal, axis hole of the less side of sliver semicircle arc radius towards rotor core
Set, the larger side of sliver semicircle arc radius is set towards the edge of rotor core.
On the basis of above-mentioned technical proposal, each sliver hole in the rotor core is arcuate structure, and arc knot
Bulging axis of the direction towards rotor core of structure.
The beneficial effects of the present invention are：
1st, in the present invention, the madial wall of groove surrounding is provided with 3~4 ° of pattern draft, by increasing capacitance it is possible to increase between end ring and sliver
Riveting intensity and conductive area.
2nd, in the present invention, after end ring 2 and sliver 3 complete, all handled by surface de-oxidation skin and silver-plated.Deoxidation
Skin processing and silver plating process are to reduce end ring and sliver part contact resistance, increase electric conductivity.
3rd, in the present invention, each sliver hole in rotor core is arcuate structure, and the bulging direction direction of arcuate structure
The axis of rotor core.Behind the insertion sliver hole of bar hole, the play in sliver hole is will be unable to, fundamentally solves sliver in sliver
Hole play problem, improves reliability.
Brief description of the drawings
Fig. 1 is the front view of asynchronous machine copper rotor in the embodiment of the present invention one；
Fig. 2 is the side view of asynchronous machine copper rotor in the embodiment of the present invention one；
Fig. 3 be Fig. 2 in A-A to sectional view；
Fig. 4 is that Fig. 3 removes the schematic diagram after sliver.
Fig. 5 is the sectional view of asynchronous machine copper rotor in the embodiment of the present invention one.
Reference：
1- rotor cores；11- axis holes；12- slivers hole；
2- end ring；21- centre bores；22- grooves；
3- slivers.
Embodiment
Embodiments of the invention are described below in detail, described embodiment example is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.
In the description of the invention, it is necessary to which explanation, for the noun of locality, " " center ", " laterally (X) ", " is indulged if any term
To (Y) ", " vertical (Z) ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The indicating position such as " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise " and position relationship is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the narration present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, be constructed and operated with particular orientation, it is impossible to be interpreted as the specific guarantor of the limitation present invention
Protect scope.
With reference to the accompanying drawing of specification, by being further described to the embodiment of the present invention, make this hair
Bright technical scheme and its advantage is clearer, clear and definite.It is exemplary, purport to describe embodiment below with reference to accompanying drawing
The present invention is being explained, and is being not considered as limiting the invention.
Shown in Figure 1, the embodiments of the invention provide a kind of manufacturing process of asynchronous machine copper rotor, including following step
Suddenly：
Rotor core 1 is made, silicon steel plate punching press shaft outlet hole 11 and some sliver holes 12 are formed into punching press using diel
Silicon steel sheet, each punching silicon steel sheet is superimposed rotor core 1 is made；
Make end ring 2, using fine copper powder metallurgical technique be made end ring 2, and on end ring 2 with reserve it is right with sliver hole 12
The groove 22 answered, and the madial wall of the surrounding of groove 22 is provided with 3~4 ° of pattern draft, by increasing capacitance it is possible to increase riveted between end ring and sliver
Intensity and conductive area.
Sliver 3 is made, is manufactured using cold-drawing technology and sliver 3 is made；
Specifically, after end ring 2 and sliver 3 complete, all handled by surface de-oxidation skin and silver-plated.At descale
Manage and silver plating process is to reduce end ring and sliver part contact resistance, increase electric conductivity.
After obtained rotor core 1, end ring 2 and sliver 3 are assembled, it is integrated, is formed different using sensing heating riveting
Walk motor copper rotor；
The surfaces externally and internally of asynchronous machine copper rotor is finally machined to process.
Embodiment one
Referring to shown in Fig. 2~Fig. 4, the present invention also provides a kind of based on asynchronous machine copper made of above-mentioned manufacturing process turn
Son, including rotor core 1 and some slivers 3, rotor core 1 are provided at both ends with end ring 2.Specifically, end ring 2 and sliver 3
Surface is provided with silver coating.
The middle part of rotor core 1 is provided with axis hole 11, and some sliver holes 12 are surrounded with around axis hole 11.
The centre bore 21 at the middle part of end ring 2 is corresponding with axis hole 11；End ring 2 is further opened with some grooves 22, each groove 22 with
Sliver hole 12 corresponds, and the madial wall of the surrounding of groove 22 is provided with 3~4 ° of pattern draft；
Sliver 3 is inserted into corresponding sliver hole 12, and the both ends of sliver 3 pass end ring 2 by groove 22.Specifically,
The section of sliver 3 is in approximate kidney ellipsoid, and the radius of two semi arches is unequal.In the present embodiment, the semicircle arc radius of sliver 3 compared with
Small side is set towards the axis hole 11 of rotor core 1, and the larger side of the semicircle arc radius of sliver 3 is towards the side of rotor core 1
Edge is set.Sliver 3 is made up of fine copper or red copper.Preferably, sliver 3 can also be made up of tin bronze material.Due to tin bronze
Resistivity it is high, be 0.01777 Ω .m during 20 DEG C of conventional sliver resistivity, be 0.13 Ω .m during 20 DEG C of tin bronze resistivity, can
So that motor obtains suitable revolutional slip, meet the design needs of motor, improve motor performance.
Embodiment two
Shown in Figure 5, the structure and embodiment one of embodiment two are essentially identical, and distinctive points are only that：In the present embodiment,
Each sliver hole 12 in rotor core 1 is arcuate structure, and bulging axis of the direction towards rotor core 1 of arcuate structure.
Behind the insertion sliver hole of bar hole, the play in sliver hole is will be unable to, fundamentally solves the problems, such as sliver in sliver hole play, raising
Reliability.
In the description of specification, reference term " one embodiment ", " preferably ", " example ", " specific example " or " one
The description of a little examples " etc. means to combine specific features, structure, material or the feature that the embodiment or example describe, is contained in
In at least one embodiment or example of the present invention, not necessarily referred in this manual for the schematic representation of above-mentioned term
It is identical embodiment or example.Moreover, specific features, structure, material or the feature of description can in any one or
Combined in a suitable manner in multiple embodiments or example.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. a kind of manufacturing process of asynchronous machine copper rotor, it is characterised in that comprise the following steps：
Rotor core (1) is made, silicon steel plate punching press shaft outlet hole (11) and some sliver holes (12) are formed into punching using diel
Silicon steel sheet is pressed, each punching silicon steel sheet is superimposed rotor core (1) is made；
End ring (2) is made, end ring (2) is made using fine copper powder metallurgical technique, and with reserving and sliver hole on end ring (2)
(12) groove corresponding to (22), and the madial wall of groove (22) surrounding is provided with 3~4 ° of pattern draft；
Sliver (3) is made, is manufactured using cold-drawing technology and sliver (3) is made；
After obtained rotor core (1), end ring (2) and sliver (3) are assembled, it is integrated, is formed using sensing heating riveting
Asynchronous machine copper rotor；
The surfaces externally and internally of asynchronous machine copper rotor is finally machined to process.
2. manufacturing process as claimed in claim 1, it is characterised in that：After end ring (2) and sliver (3) complete, all pass through
The processing of surface de-oxidation skin is simultaneously silver-plated.
3. asynchronous machine copper rotor made of claim 1 manufacturing process is based on, including rotor core (1) and some slivers (3),
Rotor core (1) is provided at both ends with end ring (2), it is characterised in that：
Axis hole (11) is provided with the middle part of the rotor core (1), some sliver holes are surrounded with around axis hole (11)
(12)；
Centre bore (21) in the middle part of the end ring (2) is corresponding with the axis hole (11)；The end ring (2) is further opened with some logical
Groove (22), each groove (22) corresponds with sliver hole (12), and the madial wall of groove (22) surrounding is provided with 3~4 ° of withdrawing pattern
Gradient；
The sliver (3) is inserted into corresponding sliver hole (12), and the both ends of sliver (3) pass end ring by groove (22)
(2)。
4. asynchronous machine copper rotor as claimed in claim 3, it is characterised in that：The surface of the end ring (2) and sliver (3) is equal
It is provided with silver coating.
5. asynchronous machine copper rotor as claimed in claim 3, it is characterised in that：The sliver (3) is by fine copper or red copper system
Into.
6. asynchronous machine copper rotor as claimed in claim 3, it is characterised in that：The section of the sliver (3) is in approximate oval
Shape, and the radius of two semi arches is unequal.
7. asynchronous machine copper rotor as claimed in claim 6, it is characterised in that：Sliver (3) the semicircle arc radius is less
The axis hole (11) of side towards rotor core (1) is set, and the larger side of sliver (3) semicircle arc radius is towards rotor core (1)
Edge set.
8. asynchronous machine copper rotor as claimed in claim 3, it is characterised in that：Each sliver hole in the rotor core (1)
(12) it is arcuate structure, and the bulging direction of arcuate structure is towards the axis of rotor core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830091.5A CN107508393A (en) | 2017-09-15 | 2017-09-15 | A kind of asynchronous machine copper rotor and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830091.5A CN107508393A (en) | 2017-09-15 | 2017-09-15 | A kind of asynchronous machine copper rotor and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107508393A true CN107508393A (en) | 2017-12-22 |
Family
ID=60696686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710830091.5A Pending CN107508393A (en) | 2017-09-15 | 2017-09-15 | A kind of asynchronous machine copper rotor and its manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107508393A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817514A (en) * | 2020-07-28 | 2020-10-23 | 龙城电装（常州）有限公司 | Manufacturing process of motor rotor |
| CN112792423A (en) * | 2021-04-07 | 2021-05-14 | 陕西斯瑞新材料股份有限公司 | Method for preparing CT bulb tube rotor copper sleeve by combining vacuum diffusion welding with vacuum brazing |
| CN114223117A (en) * | 2019-08-16 | 2022-03-22 | 西门子股份公司 | Method for producing a squirrel-cage rotor for an asynchronous machine |
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| JP2000265957A (en) * | 1999-03-15 | 2000-09-26 | Toshiba Corp | Compressor |
| JP2002291211A (en) * | 2001-03-28 | 2002-10-04 | Hitachi Ltd | Rotating electric machine |
| CN2608747Y (en) * | 2003-04-30 | 2004-03-31 | 杨永顺 | Bearing cage top cover structure having self carrying rivet |
| US20050040726A1 (en) * | 2003-08-18 | 2005-02-24 | Toshihiro Sato | Induction motor and rotor therefor |
| JP2005102483A (en) * | 2003-08-18 | 2005-04-14 | Asmo Co Ltd | Rotor for induction motor, and induction motor |
| CN101572447A (en) * | 2009-02-25 | 2009-11-04 | 艾欧史密斯电气产品（苏州）有限公司 | Electric machine rotor |
| CN201956853U (en) * | 2010-07-12 | 2011-08-31 | 大连三洋压缩机有限公司 | Copper aluminum rotor for ACC |
| CN104935134A (en) * | 2015-07-08 | 2015-09-23 | 山东华力电机集团股份有限公司 | Mouse cage cast aluminum rotor with low loss |
| DE102014221801A1 (en) * | 2014-10-27 | 2016-04-28 | Robert Bosch Gmbh | Short-circuit cage for an asynchronous electric machine with segmented short-circuit ring |
| CN205407444U (en) * | 2016-02-18 | 2016-07-27 | 华南理工大学 | Surface mosaic formula selfstarting permanent magnet synchronous motor rotor |
| CN106787299A (en) * | 2016-12-22 | 2017-05-31 | 丁玉林 | Motor copper casting rotor |
| CN206302315U (en) * | 2016-12-16 | 2017-07-04 | 卧龙电气集团股份有限公司 | A kind of aluminium busbar rotor structure |
-
2017
- 2017-09-15 CN CN201710830091.5A patent/CN107508393A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265957A (en) * | 1999-03-15 | 2000-09-26 | Toshiba Corp | Compressor |
| JP2002291211A (en) * | 2001-03-28 | 2002-10-04 | Hitachi Ltd | Rotating electric machine |
| CN2608747Y (en) * | 2003-04-30 | 2004-03-31 | 杨永顺 | Bearing cage top cover structure having self carrying rivet |
| US20050040726A1 (en) * | 2003-08-18 | 2005-02-24 | Toshihiro Sato | Induction motor and rotor therefor |
| JP2005102483A (en) * | 2003-08-18 | 2005-04-14 | Asmo Co Ltd | Rotor for induction motor, and induction motor |
| CN101572447A (en) * | 2009-02-25 | 2009-11-04 | 艾欧史密斯电气产品（苏州）有限公司 | Electric machine rotor |
| CN201956853U (en) * | 2010-07-12 | 2011-08-31 | 大连三洋压缩机有限公司 | Copper aluminum rotor for ACC |
| DE102014221801A1 (en) * | 2014-10-27 | 2016-04-28 | Robert Bosch Gmbh | Short-circuit cage for an asynchronous electric machine with segmented short-circuit ring |
| CN104935134A (en) * | 2015-07-08 | 2015-09-23 | 山东华力电机集团股份有限公司 | Mouse cage cast aluminum rotor with low loss |
| CN205407444U (en) * | 2016-02-18 | 2016-07-27 | 华南理工大学 | Surface mosaic formula selfstarting permanent magnet synchronous motor rotor |
| CN206302315U (en) * | 2016-12-16 | 2017-07-04 | 卧龙电气集团股份有限公司 | A kind of aluminium busbar rotor structure |
| CN106787299A (en) * | 2016-12-22 | 2017-05-31 | 丁玉林 | Motor copper casting rotor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114223117A (en) * | 2019-08-16 | 2022-03-22 | 西门子股份公司 | Method for producing a squirrel-cage rotor for an asynchronous machine |
| CN111817514A (en) * | 2020-07-28 | 2020-10-23 | 龙城电装（常州）有限公司 | Manufacturing process of motor rotor |
| CN112792423A (en) * | 2021-04-07 | 2021-05-14 | 陕西斯瑞新材料股份有限公司 | Method for preparing CT bulb tube rotor copper sleeve by combining vacuum diffusion welding with vacuum brazing |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190117 Address after: 629200 No. 88 Hedong Road, Shehong County Economic Development Zone, Suining, Sichuan Applicant after: Sichuan Yubu Mechanical and Electrical Technology Co.,Ltd. Address before: 442000 No. 17 Longmen North Road, Shiyan City, Hubei Province Applicant before: Luo Wen |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20221110 Address after: No. 88, Hedong Avenue, Shehong Economic Development Zone, Suining, Sichuan 629201 Applicant after: SICHUAN LVRAN SCIENCE AND TECHNOLOGY GROUP CO.,LTD. Address before: 629200 No. 88 Hedong Road, Shehong County Economic Development Zone, Suining, Sichuan Applicant before: Sichuan Yubu Mechanical and Electrical Technology Co.,Ltd. |
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