CN201075803Y - Built-in type permanent magnetism synchronizing spindle motor - Google Patents

Built-in type permanent magnetism synchronizing spindle motor Download PDF

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Publication number
CN201075803Y
CN201075803Y CNU2007200326251U CN200720032625U CN201075803Y CN 201075803 Y CN201075803 Y CN 201075803Y CN U2007200326251 U CNU2007200326251 U CN U2007200326251U CN 200720032625 U CN200720032625 U CN 200720032625U CN 201075803 Y CN201075803 Y CN 201075803Y
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CN
China
Prior art keywords
bearing
motor
built
spindle motor
main shaft
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.)
Expired - Fee Related
Application number
CNU2007200326251U
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Chinese (zh)
Inventor
尚立库
张宗强
张锐
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.)
Xi'an He Sheng Power Technology Co., Ltd.
Original Assignee
XI'AN HESHENG ELECTROMECHANICAL TECHNOLOGY 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 XI'AN HESHENG ELECTROMECHANICAL TECHNOLOGY Co Ltd filed Critical XI'AN HESHENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority to CNU2007200326251U priority Critical patent/CN201075803Y/en
Application granted granted Critical
Publication of CN201075803Y publication Critical patent/CN201075803Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a built-in permasyn spindle motor, comprising a main shaft and a motor shell body. A fore bearing, a rear bearing, a stator and a motor rotating shaft are arranged inside a motor shell body; the fore bearing and the rear bearing are respectively connected with the motor shell body through a fore bearing support and a rear bearing support; the motor rotating shaft is provided with a rare-earth permanent magnet rotor; the rear end of the motor rotating shaft is provided with a retaining nut, a flange and a feedback transducer. The motor rotating shaft and the main shaft are arranged inside the motor shell body in an integral way after passing through the fore bearing and the rear bearing; the rare-earth permanent magnet rotor as well as the rotor of the feedback transducer and the main shaft are arranged in a coaxial way; the rare-earth permanent magnet rotor is positioned between the fore bearing and the rear bearing. The utility model has reasonable design and advanced technology, realizes that the motor drives the main shaft directly, and eliminates driving error. Compared with an asynchronous spindle motor, the energy consumption of the utility model is decreased by 20 percent to 50 percent.

Description

The synchronous spindle motor of built-in type permanent-magnet
Technical field
The utility model relates to a kind of motor, the synchronous spindle motor of particularly a kind of built-in type permanent-magnet.
Background technology
At present, plant equipment such as some lathes of China, centrifuge are used asynchronous spindle motor, and this type of motor heaviness, power consumption are big, and under the slow-speed of revolution, the output torque is little, can not meet the needs of production especially.
The utility model content
The purpose of this utility model is the deficiency that exists at prior art, and the permagnetic synchronous motor technology is combined with electric spindle technology, provides a kind of built-in type permanent-magnet synchronous spindle motor.
For achieving the above object, the technical solution of the utility model is: the synchronous spindle motor of a kind of built-in type permanent-magnet, comprise main shaft 1 and electric machine casing 4, and be provided with fore bearing 3, rear bearing 8, stator 6 and machine shaft 13 in the described electric machine casing 4; Fore bearing 3 is connected with electric machine casing 4 with rear bearing block 9 by front-end bearing pedestal 14 respectively with rear bearing 8, rare-earth permanent magnet rotor 7 is set on the machine shaft 13, the rear end of machine shaft 13 is provided with locking nut 10, ring flange 11 and feedback transducer 12, it is characterized in that: described machine shaft 13 passes fore bearing 3 with main shaft 1 and is wholely set in electric machine casing 4 with rear bearing 8, the rotor of rare-earth permanent magnet rotor 7 and feedback transducer 12 and main shaft 1 coaxial installation, rare-earth permanent magnet rotor 7 is between fore bearing 3 and rear bearing 8.
The utility model compared with prior art has the following advantages:
(1) realizes that motor directly drives main shaft, do not have any driving error;
(2) motor is a rare earth permanent-magnet synchronization motor, has high power density and torque density;
(3) design of electrical motor becomes slim-lined construction, can satisfy the less restriction of main shaft radial space;
(4) motor can be realized extremely wide speed adjustable range, and zero-speed is to all realizing stepless speed regulation between the maximum speed;
(5) motor has splendid low speed hardware features, can satisfy high rotational speed stability requirement under the fluctuation of load situation;
(6) rotor is the rare earth permanent magnet structure, excitation-free current, and rotor heating is little, and the main shaft axial stability is good;
(7) cooperate special purpose driver, can realize all functions of digital servo principal axis;
(8) product can be realized seriation, all can adopt the utility model structure from 500W to 45kW;
(9) under the equal power condition, energy-saving effect is higher by 20%～50% than asynchronous spindle motor, and the big more energy-saving effect of power is remarkable more.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises main shaft 1 and electric machine casing 4, is provided with fore bearing 3, rear bearing 8, stator 6 and machine shaft 13 in the described electric machine casing 4; Fore bearing 3 is connected with electric machine casing 4 with rear bearing block 9 by front-end bearing pedestal 14 respectively with rear bearing 8, rare-earth permanent magnet rotor 7 is set on the machine shaft 13, the rear end of machine shaft 13 is provided with locking nut 10, ring flange 11 and feedback transducer 12, it is characterized in that: described machine shaft 13 passes fore bearing 3 with main shaft 1 and is wholely set in electric machine casing 4 with rear bearing 8, the rotor of rare-earth permanent magnet rotor 7 and feedback transducer 12 and main shaft 1 coaxial installation, rare-earth permanent magnet rotor 7 is between fore bearing 3 and rear bearing 8.
Described electric machine casing 4 is provided with the cyclic water jacket 5 that is used for stator 6 is carried out liquid cools.
Described fore bearing 3 and rear bearing 8 are rolling bearing or sliding bearing.
The front end of described electric machine casing 4 is provided with protecgulum 2.Protecgulum 2 plays the effect of the outer back-up ring and the main shaft 1 forward end seal lid of fore bearing 3.
The stator of described feedback transducer 12 is installed on the ring flange 11, and the rotor of feedback transducer 12 is installed in the rear end of machine shaft 13.Feedback transducer 12 uses the analog or digital transducer all can as the position detecting element of the rare-earth permanent magnet rotor 7 of motor.

Claims (5)

1. the synchronous spindle motor of built-in type permanent-magnet comprises main shaft (1) and electric machine casing (4), is provided with fore bearing (3), rear bearing (8), stator (6) and machine shaft (13) in the described electric machine casing (4); Fore bearing (3) is connected with electric machine casing (4) with rear bearing block (9) by front-end bearing pedestal (14) respectively with rear bearing (8), rare-earth permanent magnet rotor (7) is set on the machine shaft (13), the rear end of machine shaft (13) is provided with locking nut (10), ring flange (11) and feedback transducer (12), it is characterized in that: described machine shaft (13) passes fore bearing (3) with main shaft (1) and is wholely set in electric machine casing (4) with rear bearing (8), the rotor of rare-earth permanent magnet rotor (7) and feedback transducer (12) and the coaxial installation of main shaft (1), rare-earth permanent magnet rotor (7) is positioned between fore bearing (3) and the rear bearing (8).
2. the synchronous spindle motor of built-in type permanent-magnet according to claim 1 is characterized in that: described electric machine casing (4) is provided with the cyclic water jacket (5) that is used for stator (6) is carried out liquid cools.
3. the synchronous spindle motor of built-in type permanent-magnet according to claim 1 is characterized in that: described fore bearing (3) and rear bearing (8) are rolling bearing or sliding bearing.
4. the synchronous spindle motor of built-in type permanent-magnet according to claim 1 and 2 is characterized in that: the front end of described electric machine casing (4) is provided with protecgulum (2).
5. the synchronous spindle motor of built-in type permanent-magnet according to claim 1 is characterized in that: the stator of described feedback transducer (12) is installed on the ring flange (11), and the rotor of feedback transducer (12) is installed in the rear end of machine shaft (13).
CNU2007200326251U 2007-08-31 2007-08-31 Built-in type permanent magnetism synchronizing spindle motor Expired - Fee Related CN201075803Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200326251U CN201075803Y (en) 2007-08-31 2007-08-31 Built-in type permanent magnetism synchronizing spindle motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200326251U CN201075803Y (en) 2007-08-31 2007-08-31 Built-in type permanent magnetism synchronizing spindle motor

Publications (1)

Publication Number Publication Date
CN201075803Y true CN201075803Y (en) 2008-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200326251U Expired - Fee Related CN201075803Y (en) 2007-08-31 2007-08-31 Built-in type permanent magnetism synchronizing spindle motor

Country Status (1)

Country Link
CN (1) CN201075803Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102394524A (en) * 2010-11-13 2012-03-28 西安合升动力科技有限公司 Portable permanent magnet synchronization motor spindle
CN102389988A (en) * 2010-11-24 2012-03-28 西安合升动力科技有限公司 Linkage system for spindle and shaft B of machine tool
CN102394543A (en) * 2010-11-13 2012-03-28 西安合升动力科技有限公司 Double-head alternating current permanent magnet synchronous spindle motor
CN104525980A (en) * 2014-11-26 2015-04-22 北京航天三发高科技有限公司 Ultrahigh-speed, high-precision and large-power electric main shaft
CN108306439A (en) * 2017-01-12 2018-07-20 上海上振振动电机有限公司 Closed vibration motor
CN108414731A (en) * 2018-05-08 2018-08-17 中国工程物理研究院总体工程研究所 The geotechnical centrifuge structure of single-layer layout
CN110666194A (en) * 2019-11-15 2020-01-10 厦门欣同翔数控科技有限公司 Electric spindle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102394524A (en) * 2010-11-13 2012-03-28 西安合升动力科技有限公司 Portable permanent magnet synchronization motor spindle
CN102394543A (en) * 2010-11-13 2012-03-28 西安合升动力科技有限公司 Double-head alternating current permanent magnet synchronous spindle motor
CN102389988A (en) * 2010-11-24 2012-03-28 西安合升动力科技有限公司 Linkage system for spindle and shaft B of machine tool
CN104525980A (en) * 2014-11-26 2015-04-22 北京航天三发高科技有限公司 Ultrahigh-speed, high-precision and large-power electric main shaft
CN108306439A (en) * 2017-01-12 2018-07-20 上海上振振动电机有限公司 Closed vibration motor
CN108414731A (en) * 2018-05-08 2018-08-17 中国工程物理研究院总体工程研究所 The geotechnical centrifuge structure of single-layer layout
CN110666194A (en) * 2019-11-15 2020-01-10 厦门欣同翔数控科技有限公司 Electric spindle

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: XI'AN HESHENG DYNAMIC TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: XI'AN HESHENG ELECTROMECHANICAL TECHNOLOGY CO., LTD.

Effective date: 20080516

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20080516

Address after: No. six, No. 36, hi tech Road, Xi'an hi tech Industrial Development Zone, Shaanxi, China: 710075

Patentee after: Xi'an He Sheng Power Technology Co., Ltd.

Address before: No. six, No. 36, hi tech Road, Xi'an hi tech Industrial Development Zone, Shaanxi, China: 710075

Patentee before: Xi'an Hesheng Electromechanical Technology Co., Ltd.

C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Shang Liku

Inventor after: Zhang Zongqiang

Inventor after: Zhang Rui

Inventor after: Wang Xiaolu

Inventor after: Dou Xiaomu

Inventor after: Wu Yuhua

Inventor after: Jiao Chunsheng

Inventor before: Shang Liku

Inventor before: Zhang Zongqiang

Inventor before: Zhang Rui

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SHANG LIKU ZHANG ZONGQIANG ZHANG RUI TO: SHANG LIKU ZHANG ZONGQIANG ZHANG RUI WANG XIAOLU DOU XIAOMU WU YUHUA JIAO CHUNSHENG

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Free format text: CORRECT: ADDRESS; FROM: 710075 AFFILIATED NO. 36, GAOXIN ROAD 6, NEW + HIGH TECHNOLOGY INDUSTRY DEVELOPMENT ZONE, XI'AN CITY, SHAANXI PROVINCE TO: 710072 NO. 6, UNIT 1, NEW WEST BUILDING 2, NO. 127, YOUYI ROAD, BEILIN DISTRICT, XI'AN CITY, SHAANXI PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20101119

Address after: 710072 Shaanxi province Xi'an Beilin District Friendship Road No. 127 west 2 new building 1 No. 6

Co-patentee after: Zhang Zongqiang

Patentee after: Shang Liku

Co-patentee after: Zhang Rui

Co-patentee after: Wang Xiaolu

Co-patentee after: Dou Xiaomu

Co-patentee after: Wu Yuhua

Co-patentee after: Jiao Chunsheng

Address before: 710075 No. 36, No. six, hi tech Road, Xi'an hi tech Industrial Development Zone, Shaanxi, China

Patentee before: Xi'an He Sheng Power Technology Co., Ltd.

ASS Succession or assignment of patent right

Free format text: FORMER OWNER: ZHANG ZONGQIANG ZHANG RUI WANG XIAOLU DOU XIAOMU WU YUHUA JIAO CHUNSHENG

Owner name: XI'AN HESHENG POWER TECHNOLOGY CO., LTD.

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Free format text: CORRECT: ADDRESS; FROM: 710072 NO.6, GATE 1, NEW WEST BUILDING 2, NO.127, YOUYI ROAD, BEILIN DISTRICT, XI'AN CITY, SHAANXI PROVINCE TO: 710075 AFFILIATED NO.36, GAOXIN ROAD 6, NEW AND HIGH TECHNOLOGY INDUSTRIAL DEVELOPMENT AREA, XI'AN CITY, SHAANXI PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20101228

Address after: 710075 No. 36, No. six, hi tech Road, Xi'an hi tech Industrial Development Zone, Shaanxi, China

Patentee after: Xi'an He Sheng Power Technology Co., Ltd.

Address before: 710072 Shaanxi province Xi'an Beilin District Friendship Road No. 127 west 2 new building 1 No. 6

Co-patentee before: Zhang Zongqiang

Patentee before: Shang Liku

Co-patentee before: Zhang Rui

Co-patentee before: Wang Xiaolu

Co-patentee before: Dou Xiaomu

Co-patentee before: Wu Yuhua

Co-patentee before: Jiao Chunsheng

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080618

Termination date: 20160831