CN106981958A - A kind of internal permanent magnet synchronous motor rotor assembling method - Google Patents

A kind of internal permanent magnet synchronous motor rotor assembling method Download PDF

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Publication number
CN106981958A
CN106981958A CN201710368700.XA CN201710368700A CN106981958A CN 106981958 A CN106981958 A CN 106981958A CN 201710368700 A CN201710368700 A CN 201710368700A CN 106981958 A CN106981958 A CN 106981958A
Authority
CN
China
Prior art keywords
rotor
permanent magnet
synchronous motor
magnet synchronous
internal permanent
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
Application number
CN201710368700.XA
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Chinese (zh)
Inventor
薛周强
梅光晴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongda Motors Co Ltd
Original Assignee
Zhongda Motors Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongda Motors Co Ltd filed Critical Zhongda Motors Co Ltd
Priority to CN201710368700.XA priority Critical patent/CN106981958A/en
Publication of CN106981958A publication Critical patent/CN106981958A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2213/00Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03Machines characterised by numerical values, ranges, mathematical expressions or similar information

Abstract

The present invention relates to a kind of rotor assembly method, specifically a kind of internal permanent magnet synchronous motor rotor assembling method belongs to rotor mounting technology field.It includes laminating rotor punching, fastens rotor core, heats rotor core and press-fit the several steps of rotating shaft.The present invention effectively increases built-in permanent magnet motor rotor installation effectiveness, reduces built-in permanent magnet motor rotor and installs disqualification rate.

Description

A kind of internal permanent magnet synchronous motor rotor assembling method
Technical field
The present invention relates to a kind of rotor assembly method, specifically a kind of internal permanent magnet synchronous motor rotor dress Method of completing the square, belongs to rotor mounting technology field.
Background technology
Permanent magnetic synchronous motor structure is simple, small volume, lightweight, the small, efficiency high of loss, is compared with direct current generator, it does not have There are the commutator of direct current generator and brush.Compared with asynchronous machine, it is not due to needing idle exciting current, thus effect Rate is high, and power factor is high, and torque ratio of inertias is big, and stator current and stator resistance loss reduce, and rotor parameter can be surveyed, controlling Can be good;But he is compared with asynchronous machine, also there are the difficult points such as cost height, difficulty in starting.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, so as to provide a kind of internal permanent magnet synchronous motor rotor dress Method of completing the square, effectively increases built-in permanent magnet motor rotor installation effectiveness, reduces built-in permanent magnet motor rotor and installs unqualified Rate.
The technical scheme provided according to the present invention, a kind of internal permanent magnet synchronous motor rotor assembling method, including it is as follows Step:
(1)Rotor punching is laminated:Laminate to form rotor core successively from the bottom up using multi-disc rotor punching, it is many when laminating Withstood by press the side of piece rotor punching;
(2)Rotor core is fastened:Rotor core both sides are pressed in using end plate, while passing through rotor core and two using screw rod Locking is fixed in through hole on the end plate at end, screw rod two ends using nut;
(3)Rotor core is heated:Rotor core is heated using electric furnace, heating temperature range is 200 ~ 250 DEG C, and the heat time is 1 ~ 1.5 hours;
(4)Rotating shaft is press-fited:Rotor core under heated condition is run by press pressure, rotor core is pressed on machine shaft On, so as to complete the assembling of internal permanent magnet synchronous motor rotor.
Further, the altitude range after multi-disc rotor punching is laminated is 130 ~ 150mm;
Further, the thickness scope of end plate is 10 ~ 15mm.
Further, the diameter range of through hole is 8 ~ 12mm.
Further, nut specification is M8 ~ M12.
Further, machine shaft length dimension scope is 900 ~ 100mm.
Compared with the prior art the present invention has advantages below:
The present invention effectively increases built-in permanent magnet motor rotor installation effectiveness, reduces built-in permanent magnet motor rotor installation and does not conform to Lattice rate.
Brief description of the drawings
The internal permanent magnet synchronous motor rotor structure figure that Fig. 1 assembles for the present invention.
Description of reference numerals:1- rotor punchings, 2- end plates, 3- screw rods, 4- nuts, 5- rotors, 6- through holes.
Embodiment
The present invention will be further described with reference to the embodiment in accompanying drawing below:
Embodiment one:A kind of internal permanent magnet synchronous motor rotor assembling method, mainly comprises the following steps:
1. laminate rotor punching:Laminate to form rotor core successively from the bottom up using multi-disc rotor punching 1, it is many when laminating Withstood by press the side of piece rotor punching 1;
Height after the multi-disc rotor punching 1 is laminated is 130mm;
2. fasten rotor core:Rotor core both sides are pressed in using end plate 2, while passing through rotor core and two using screw rod 3 Locking is fixed in through hole 6 on the end plate 2 at end, the two ends of screw rod 3 using nut 4;
The thickness of the end plate 2 is 10mm, and the diameter range of through hole 6 is 8mm;The specification of nut 4 is M8;
3. heat rotor core:Rotor core is heated using electric furnace, heating-up temperature is 200 DEG C, and the heat time is 1 hour;
4. press-fit rotating shaft:Rotor core under heated condition is run by press pressure, rotor core is pressed on machine shaft (5)On, so as to complete the assembling of internal permanent magnet synchronous motor rotor;
The machine shaft(5)Length dimension scope is 900mm.
Embodiment two:A kind of internal permanent magnet synchronous motor rotor assembling method, mainly comprises the following steps:
1. laminate rotor punching:Laminate to form rotor core successively from the bottom up using multi-disc rotor punching 1, it is many when laminating Withstood by press the side of piece rotor punching 1;
Height after the multi-disc rotor punching 1 is laminated is 150mm;
2. fasten rotor core:Rotor core both sides are pressed in using end plate 2, while passing through rotor core and two using screw rod 3 Locking is fixed in through hole 6 on the end plate 2 at end, the two ends of screw rod 3 using nut 4;
The thickness of the end plate 2 is 15mm, and the diameter range of through hole 6 is 12mm;The specification of nut 4 is M12;
3. heat rotor core:Rotor core is heated using electric furnace, heating-up temperature is 250 DEG C, and the heat time is 1.5 hours;
4. press-fit rotating shaft:Rotor core under heated condition is run by press pressure, rotor core is pressed on machine shaft (5)On, so as to complete the assembling of internal permanent magnet synchronous motor rotor;
The machine shaft(5)Length dimension scope is 1000mm.
The present invention effectively increases built-in permanent magnet motor rotor installation effectiveness, reduces built-in permanent magnet motor rotor and installs Disqualification rate.

Claims (6)

1. a kind of internal permanent magnet synchronous motor rotor assembling method, it is characterized in that, comprise the following steps:
(1)Rotor punching is laminated:Use multi-disc rotor punching(1)Laminate to form rotor core successively from the bottom up, laminating When, multi-disc rotor punching(1)Side withstood by press;
(2)Rotor core is fastened:Use end plate(2)Rotor core both sides are pressed in, while using screw rod(3)Through rotor iron The heart and the end plate at two ends(2)On through hole(6), screw rod(3)Two ends use nut(4)Fixed locking;
(3)Rotor core is heated:Rotor core is heated using electric furnace, heating temperature range is 200 ~ 250 DEG C, and the heat time is 1 ~ 1.5 hours;
(4)Rotating shaft is press-fited:Rotor core under heated condition is run by press pressure, rotor core is pressed on machine shaft (5)On, so as to complete the assembling of internal permanent magnet synchronous motor rotor.
2. a kind of internal permanent magnet synchronous motor rotor assembling method as claimed in claim 1, it is characterized in that:The multi-disc turns Altitude range after sub- punching 1 is laminated is 130 ~ 150mm.
3. a kind of internal permanent magnet synchronous motor rotor assembling method as claimed in claim 1, it is characterized in that:The end plate (2)Thickness scope be 10 ~ 15mm.
4. a kind of internal permanent magnet synchronous motor rotor assembling method as claimed in claim 1, it is characterized in that:The through hole (6)Diameter range be 8 ~ 12mm.
5. a kind of internal permanent magnet synchronous motor rotor assembling method as claimed in claim 1, it is characterized in that:The nut (4)Specification is M8 ~ M12.
6. a kind of internal permanent magnet synchronous motor rotor assembling method as claimed in claim 1, it is characterized in that:The motor turns Shaft length size range is 900 ~ 100mm.
CN201710368700.XA 2017-05-23 2017-05-23 A kind of internal permanent magnet synchronous motor rotor assembling method Pending CN106981958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710368700.XA CN106981958A (en) 2017-05-23 2017-05-23 A kind of internal permanent magnet synchronous motor rotor assembling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710368700.XA CN106981958A (en) 2017-05-23 2017-05-23 A kind of internal permanent magnet synchronous motor rotor assembling method

Publications (1)

Publication Number Publication Date
CN106981958A true CN106981958A (en) 2017-07-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710368700.XA Pending CN106981958A (en) 2017-05-23 2017-05-23 A kind of internal permanent magnet synchronous motor rotor assembling method

Country Status (1)

Country Link
CN (1) CN106981958A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108683306A (en) * 2018-05-29 2018-10-19 中车株洲电机有限公司 A kind of pressing method of motor rotor punching sheet
CN109681427A (en) * 2017-10-19 2019-04-26 日立江森自控空调有限公司 Sealed electrical compressor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656448A (en) * 2009-08-25 2010-02-24 上海电器科学研究所(集团)有限公司 Key manufacturing technology of built-in type permanent magnet synchronous electric motor rotor
CN102208849A (en) * 2011-03-07 2011-10-05 江苏通达动力科技股份有限公司 Hot sleeve shaft technology of wind-power rotor
JP2015126659A (en) * 2013-12-27 2015-07-06 ダイキン工業株式会社 Rotor of rotary electric machine and manufacturing method of the same
CN106165269A (en) * 2014-04-02 2016-11-23 爱知制钢株式会社 The manufacture method of built-in permanent magnet type internal rotor and the equipment of manufacture thereof
CN106300741A (en) * 2016-08-30 2017-01-04 徐延平 High security magnetic-leakage preventing rotor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656448A (en) * 2009-08-25 2010-02-24 上海电器科学研究所(集团)有限公司 Key manufacturing technology of built-in type permanent magnet synchronous electric motor rotor
CN102208849A (en) * 2011-03-07 2011-10-05 江苏通达动力科技股份有限公司 Hot sleeve shaft technology of wind-power rotor
JP2015126659A (en) * 2013-12-27 2015-07-06 ダイキン工業株式会社 Rotor of rotary electric machine and manufacturing method of the same
CN106165269A (en) * 2014-04-02 2016-11-23 爱知制钢株式会社 The manufacture method of built-in permanent magnet type internal rotor and the equipment of manufacture thereof
CN106300741A (en) * 2016-08-30 2017-01-04 徐延平 High security magnetic-leakage preventing rotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681427A (en) * 2017-10-19 2019-04-26 日立江森自控空调有限公司 Sealed electrical compressor
CN108683306A (en) * 2018-05-29 2018-10-19 中车株洲电机有限公司 A kind of pressing method of motor rotor punching sheet
CN108683306B (en) * 2018-05-29 2020-08-07 中车株洲电机有限公司 Press mounting method for motor rotor punching sheet

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Application publication date: 20170725