CN201466881U - AC induction servomotor - Google Patents

AC induction servomotor Download PDF

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Publication number
CN201466881U
CN201466881U CN2009201076835U CN200920107683U CN201466881U CN 201466881 U CN201466881 U CN 201466881U CN 2009201076835 U CN2009201076835 U CN 2009201076835U CN 200920107683 U CN200920107683 U CN 200920107683U CN 201466881 U CN201466881 U CN 201466881U
Authority
CN
China
Prior art keywords
stator core
servomotor
main shaft
rear end
rotor
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
CN2009201076835U
Other languages
Chinese (zh)
Inventor
项久鹏
周静
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.)
BEIJING CHAOTONGBU SERVO CO., LTD.
Original Assignee
BEIJING BEICHAO SERVO TECHNIQUES 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 BEIJING BEICHAO SERVO TECHNIQUES Co Ltd filed Critical BEIJING BEICHAO SERVO TECHNIQUES Co Ltd
Priority to CN2009201076835U priority Critical patent/CN201466881U/en
Application granted granted Critical
Publication of CN201466881U publication Critical patent/CN201466881U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an AC induction servomotor. The servomotor comprises a servomotor main shaft, a rotor, a front end cover, a rear end cover and a stator core, wherein the front and the rear end covers are mounted at the two ends of the stator core respectively; the rotor is rotatably sleeved inside the stator core; the servomotor main shaft is fixedly sleeved inside the rotor, and the two ends of the servomotor main shaft are rotatably sleeved on the front and the rear end covers through bearings respectively; and at least one groove heat dissipation structure extending along the axial direction is mounted on the outer surface of the stator core. The utility model adopts the unshelled stator core design, the stator core is directly installed on the front and the rear end covers, and the groove heat dissipation structure is mounted on the stator core, the front end cover and the rear end cover, thereby greatly simplifying the heat dissipation structure of the servomotor, improving the heat dissipation reliability, eliminating the restriction of environmental conditions, decreasing heat dissipation components, diminishing the volume of the servomotor, and reducing the failure rate.

Description

The alternating current impression servomotor
Technical field
The utility model relates to a kind of alternating current impression servomotor.
Background technology
Existing AC servo motor comprises casing, and stator is installed in the casing, and design has heat-dissipating space between stator and the casing, utilizes this heat-dissipating space and the radiator fan that is arranged on the casing to come stator is dispelled the heat.
For such as at the such special occasions of steel sheet production line, use the AC servo motor that has casing like this to exist to install and the problem such as bad of dispelling the heat.
The utility model content
The technical problems to be solved in the utility model provides a kind of AC servo motor with special heat dispersion.
In order to address the above problem, the utility model provides a kind of alternating current impression servomotor, comprise electric machine main shaft, rotor, front end housing, rear end cap and stator core, front end housing and rear end cap are installed in the two ends of stator core respectively, rotor is rotatable to be sleeved in the described stator core, electric machine main shaft is fixedly set in the described rotor, and the two ends of described electric machine main shaft are sleeved on described front end housing and the rear end cap by bearing is rotatable respectively; Described stator core outer surface is provided with at least one groove radiator structure that extends vertically.
Preferably, described stator core comprises and the corresponding stator of described rotor, and is arranged on the end plate of the fixing described stator in described stator two ends.
Preferably, the described electric machine main shaft end that is positioned at described rear end cap also is provided with axial location mechanism.
Preferably, described axial location mechanism is the shaft shoulder that is arranged on described electric machine main shaft, and this shaft shoulder leans on the end face of described bearing.
The utlity model has following advantage:
1, the utility model adopts inorganic shell stator core design, stator core is directly installed on front end housing and the rear end cap, adopt the groove radiator structure on stator core and front end housing, the rear end cap, so just make the radiator structure of motor simplify greatly, the heat radiation reliability improves, and not limited by environmental condition, has also reduced thermal component, reduce motor volume, reduced failure rate;
2, stator punching laminates moulding in the utility model, and two ends are fixed on the end plate, install simple and convenient, and reliability height, and convenient and rotor location, thereby the precision of raising alternating current impression servomotor;
3, the utility model has effectively reduced the axial endplay of electric machine main shaft by axial location mechanism, improves the output accuracy of electric machine main shaft, thereby has improved the precision of alternating current impression servomotor;
4, the utility model adopts photoelectric encoder that motor is carried out SERVO CONTROL, makes that alternating current impression servomotor control precision is higher.
Description of drawings
Below in conjunction with accompanying drawing execution mode of the present utility model is described further:
Fig. 1 shows a kind of alternating current impression servomotor of the utility model half section structural representation;
Fig. 2 shows a kind of alternating current impression servomotor of the utility model perspective view.
Embodiment
As shown in Figure 1, the utility model provides a kind of alternating current impression servomotor, comprise electric machine main shaft 1, rotor 9, front end housing 2, rear end cap 7 and stator core 3, front end housing 2 and rear end cap 7 are installed in the two ends of stator core 3 respectively, rotor 9 rotatable being sleeved in the described stator core 3, electric machine main shaft 1 is fixedly set in the rotor 9, and the two ends of described electric machine main shaft 1 are sleeved on front end housing 2 and the rear end cap 7 by bearing 4 is rotatable respectively; Stator core 3 outer surfaces are provided with at least one groove radiator structure 30 that extends vertically.
The utility model adopts inorganic shell stator core 3 designs, stator core 3 is directly installed on front end housing 2 and the rear end cap 7, adopt groove radiator structure 30 on stator core 3 and front end housing 2, the rear end cap 7, so just make the radiator structure of motor simplify greatly, the heat radiation reliability improves, and not limited by environmental condition, has also reduced thermal component, reduce motor volume, reduced failure rate.
Stator core 3 comprises and rotor 9 corresponding stators 31, and is arranged on the end plate 32 of stator 31 two ends fixed stators 31.Stator 31 punchings laminate moulding in the utility model, and two ends are fixed on the end plate 32, install simple and convenient, and reliability height, and convenient and rotor 9 location, thereby the precision of raising alternating current impression servomotor.
The end that electric machine main shaft 1 is positioned at described rear end cap 7 also is provided with axial location mechanism 5.Axial location mechanism 5 is for being arranged on the shaft shoulder 11 of electric machine main shaft 1, and this shaft shoulder 11 leans on the end face of bearing 4.The utility model has effectively reduced the axial endplay of electric machine main shaft 1 by axial location mechanism 5, improves the output accuracy of electric machine main shaft 1, thereby has improved the precision of alternating current impression servomotor.
Below the utility model is elaborated:
In the present embodiment, stator 31 is made up of polylith, respectively separately with end plate 32 composition stator cores 3, stator 31 is fastened on the end plate 32 by bolt.Every group of stator core 3 is fixed on separately respectively on the end cap 2, and stator 31 just is very easy to the location of rotor 9 like this, and positional precision is very high, and easily, not only improves precision but also reduce working strength.
In the present embodiment, in the axial location mechanism 5, rear end cap 7 is provided with step surface, step surface on the bearing cap 7 is directly pushed down the outer shroud end face of bearing 4, also is provided with back-up ring 6 on electric machine main shaft 1, and back-up ring 6 is pushed down the interior ring end face of bearing 4, bearing 4 other end end faces lean against on the shaft shoulder 11 and bearing tegillum of electric machine main shaft 1, the axial endplay of bearing 4 just becomes very little like this, thereby electric machine main shaft 1 axial endplay becomes very little, has improved the output accuracy of electric machine main shaft 1.
On electric machine main shaft 1, also be provided with motor is carried out servo-controlled photoelectric encoder 8.The utility model adopts 8 pairs of motors of photoelectric encoder to carry out SERVO CONTROL, makes that alternating current impression servomotor control precision is higher.
In sum; it below only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model; therefore; all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (4)

1. alternating current impression servomotor, it is characterized in that: comprise electric machine main shaft (1), rotor (9), front end housing (2), rear end cap (7) and stator core (3), front end housing (2) and rear end cap (7) are installed in the two ends of stator core (3) respectively, rotor (9) is rotatable to be sleeved in the described stator core (3), electric machine main shaft (1) is fixedly set in the described rotor (9), and the two ends of described electric machine main shaft (1) are sleeved on described front end housing (2) and the rear end cap (7) by bearing (4) is rotatable respectively; Described stator core (3) outer surface is provided with at least one groove radiator structure (30) that extends vertically.
2. alternating current impression servomotor as claimed in claim 1 is characterized in that: described stator core (3) comprises and the corresponding stator of described rotor (9) (31), and is arranged on the end plate (32) of the fixing described stator (31) in described stator (31) two ends.
3. alternating current impression servomotor as claimed in claim 2 is characterized in that: the end that described electric machine main shaft (1) is positioned at described rear end cap (7) also is provided with axial location mechanism (5).
4. alternating current impression servomotor as claimed in claim 3 is characterized in that: described axial location mechanism (5) is for being arranged on the shaft shoulder (11) of described electric machine main shaft (1), and this shaft shoulder (11) leans on the end face of described bearing (4).
CN2009201076835U 2009-05-06 2009-05-06 AC induction servomotor Expired - Fee Related CN201466881U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201076835U CN201466881U (en) 2009-05-06 2009-05-06 AC induction servomotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201076835U CN201466881U (en) 2009-05-06 2009-05-06 AC induction servomotor

Publications (1)

Publication Number Publication Date
CN201466881U true CN201466881U (en) 2010-05-12

Family

ID=42394228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201076835U Expired - Fee Related CN201466881U (en) 2009-05-06 2009-05-06 AC induction servomotor

Country Status (1)

Country Link
CN (1) CN201466881U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102195375A (en) * 2011-04-15 2011-09-21 许晓华 Motor rotor rotating shaft improved structure
CN104201806A (en) * 2014-05-19 2014-12-10 深圳合康思德电机系统有限公司 Housing-free motor with integrated heat dissipation function
CN104589352A (en) * 2013-10-31 2015-05-06 精工爱普生株式会社 Robot and manufacturing method for robot
EP2584678A3 (en) * 2011-10-17 2015-05-06 Dunkermotoren GmbH Electric motor with an angular position encoder
CN107591927A (en) * 2017-08-17 2018-01-16 珠海格力节能环保制冷技术研究中心有限公司 Motor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102195375A (en) * 2011-04-15 2011-09-21 许晓华 Motor rotor rotating shaft improved structure
EP2584678A3 (en) * 2011-10-17 2015-05-06 Dunkermotoren GmbH Electric motor with an angular position encoder
CN104589352A (en) * 2013-10-31 2015-05-06 精工爱普生株式会社 Robot and manufacturing method for robot
CN104201806A (en) * 2014-05-19 2014-12-10 深圳合康思德电机系统有限公司 Housing-free motor with integrated heat dissipation function
CN107591927A (en) * 2017-08-17 2018-01-16 珠海格力节能环保制冷技术研究中心有限公司 Motor

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: BEIJING CTB SERVO TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: BEIJING BEICHAO SERVO TECHNIQUES CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 101500 Beijing city Miyun ten Li Bao Zhen Wang Ge Zhuang Village West 200 meters

Patentee after: BEIJING CHAOTONGBU SERVO CO., LTD.

Address before: 101500 Beijing city Miyun ten Li Bao Zhen Wang Ge Zhuang Village West 200 meters

Patentee before: Beijing Beichao Servo Techniques Co., Ltd.

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: 20100512

Termination date: 20180506