CN105914953A - Motor with high stability - Google Patents
Motor with high stability Download PDFInfo
- Publication number
- CN105914953A CN105914953A CN201610307148.9A CN201610307148A CN105914953A CN 105914953 A CN105914953 A CN 105914953A CN 201610307148 A CN201610307148 A CN 201610307148A CN 105914953 A CN105914953 A CN 105914953A
- Authority
- CN
- China
- Prior art keywords
- motor
- end cover
- positioning boss
- circuit board
- rear end
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a motor with high stability, comprising a motor body, a motor shaft, a motor rear end cover located on the periphery of the motor shaft, and an encoder installation device installed on the motor rear end cover, wherein the encoder installation device comprises a circuit board fixed on the motor rear end cover, a reading head fixed on the circuit board, and a coded disc penetrating the reading head and sleeving the motor shaft; the central position of the motor rear end cover is provided with a first through hole allowing penetration of the motor shaft; around the first through hole, first positioning bosses, second positioning bosses provided with first screwed holes, and a pair of third positioning bosses provided with second screwed holes and reference columns are arranged at equal angles; the first positioning bosses, the second positioning bosses, and the third positioning bosses are integrated with the motor rear end cover. The motor reduces accumulative errors, improves encoder installation precision, and thereby increases motor control precision.
Description
[technical field]
The present invention relates to a kind of technical field of motors, particularly relate to the motor of a kind of high stable performance.
[background technology]
Along with the development of industrial automation, there is the permanent-magnet synchronous of the advantage such as high efficiency, High Power Factor
Servomotor application in the market is more and more wider.Fast along with the novel industry such as robot, mechanical hand
Speed development, quickly response and the positioning accuracy request of action executing parts are improved constantly by system equipment；
Thus dynamic response capability and speed, positional precision to servomotor propose the highest requirement.
And these requirements are by using high-precision encoder to realize.
High-precision encoder typically has the requirement that comparison is high to installation accuracy.At present, the most high-precision
The encoder of degree is all Split encoder, is i.e. made up of support, code-disc and circuit board three part.Existing
Encoder in technology is had when being installed on machine shaft, first to be installed on support by circuit board, then will dress
The support having circuit board installs on motor rear end lid, the most again code-disc is installed to carry out above motor shaft admittedly
Surely the installation of whole encoder is completed.In the process due to circuit board and support assorted form and position tolerance,
The form and position tolerance of form and position tolerance, code-disc and circuit board read head that support coordinates with rear end cap；And motor
End cap, support and rotating shaft also have form and position tolerance in the respective course of processing；So, it is installed separately volume
The code each parts of device certainly will have tolerance, can have a certain impact the precision of encoder.
Therefore, it is necessary to provide the motor of a kind of new high stable performance to solve the problems referred to above.
[summary of the invention]
Present invention is primarily targeted at the motor that a kind of high stable performance is provided, the torque of this motor,
The stability of the fluctuation of rotating speed.
The present invention is achieved through the following technical solutions above-mentioned purpose: the motor of a kind of high stable performance, its
Including motor body, machine shaft, it is positioned at the peripheral back end cover for motor of described machine shaft and is installed on
Coder installing device on described motor rear end lid, described coder installing device includes being fixed on institute
State the circuit board on motor rear end lid, the read head being fixed on described circuit board, through described reading
Head and be set in the code-disc on described machine shaft, the center of described back end cover for motor is provided with appearance
The first through hole that described machine shaft passes, is angularly provided with the first location around described first through hole
Boss, it is provided with the second positioning boss of the first screwed hole, is provided with the second screwed hole and locating dowel
A pair the 3rd positioning boss, described first positioning boss, the second positioning boss and the 3rd positioning boss with
Described back end cover for motor is monolithic construction.
Further, the surface that described circuit board is relative with described back end cover for motor turns around described motor
Axle is angularly provided with the 4th positioning boss.
Further, described 4th positioning boss is positioned at inside described first positioning boss.
Further, described locating dowel passes described read head, is joined with described second screwed hole by screw
Conjunction makes described read head be fixed together with described circuit board, described back end cover for motor.
Further, described read head side surface is provided with the groove housing described code-disc.
Compared with prior art, the having the beneficial effects that of the motor of high stable performance of the present invention:
1) by support of the prior art and rear end cap being designed as the back end cover for motor of integral type with fixed
The mode of position boss, decreases cumulative error, improves the installation accuracy of encoder, thus improve
The control accuracy of motor；While processing, just can be good at ensureing the unification of processing dimension, it is ensured that
Circuit board installation dimension, code-disc installation dimension keep good position degree with motor bearing chamber reference dimension；
2) it is arranged on motor rear end lid after directly circuit board and code-disc being worked good when installing, subtracts
Lack parts number, save cost；
3) reduce the vibration level in vibration processes, reduce encoder simultaneously and resonate with motor body
Possibility；
4) decrease installation steps, reduce installation difficulty, improve production efficiency；
[accompanying drawing explanation]
Fig. 1 is the structural representation of the motor of high stable performance of the present invention；
Fig. 2 is the mounting structure schematic diagram of inventive encoder erecting device；
Fig. 3 is the structural representation of back end cover for motor in the embodiment of the present invention；
In figure, numeral represents:
The motor of 100 high stable performances；
10 coder installing devices；1 machine shaft；20 back end cover for motor, 21 second through holes, 22 first
Through hole, 23 first positioning boss, 24 second positioning boss, 25 first screwed holes, 26 the 3rd convexes
Platform, 27 locating dowels, 28 second screwed holes；3 circuit boards；4 read heads, 41 grooves；5 code-discs；Motor
Body 6.
[detailed description of the invention]
Embodiment:
Refer to Fig. 1 to Fig. 3, the motor 100 of the present embodiment a kind of high stable performance, it includes electricity
Machine body 6, machine shaft 1, it is positioned at the back end cover for motor 20 of machine shaft 1 periphery and and is installed on motor
Coder installing device 10 on rear end cap 20, coder installing device 10 includes being fixed on motor rear end
Circuit board 3 on lid 20, the read head 4 being fixed on circuit board 3, through read head 4 and be set in electricity
Code-disc 5 in machine rotating shaft 1.
As in figure 2 it is shown, 20 4 angular zones of back end cover for motor are provided with the second through hole 21, centre bit installs
Be equipped with hold machine shaft 1 and pass the first through hole 22, around the first through hole 22 angularly arrange first fixed
Position boss 23, it is provided with the second positioning boss 24, from the around the first through hole 22 and at three angular zones
First screwed hole 25 of two positioning boss 24 upper surface concave downward, arrange at a remaining angular zone
Have a pair the 3rd positioning boss 26, the locating dowel 27 raised up from the 3rd positioning boss 26 upper surface,
The second screwed hole 28 from the 3rd positioning boss 26 upper surface concave downward.First positioning boss 23 1 side
Face is for the distance on limiting circuit plate 3 surface with back end cover for motor 20 surface；On the other hand circuit is supported
Plate 3 surface, prevents central region from not supporting and deforming.First screwed hole 25 is mainly used in fixing connection
Circuit board 3.Locating dowel 27 on 3rd positioning boss 26 is mainly used in facilitating circuit board 3 and read head 4
Fast Installation puts in place.The second screwed hole 28 on 3rd positioning boss 26 is mainly used in fixing read head 4 and exists
On back end cover for motor 20.
First positioning boss the 23, second positioning boss 24 and the 3rd positioning boss 26 and back end cover for motor 20
For monolithic construction.
Designed by monolithic construction, improve the installation accuracy of coder installing device 10, thus carry
The high torque of motor, the stability of fluctuation of rotating speed.Its ultimate principle: the luminous source in read head 4
Luminous (not shown), light transmission code-disc 5 is transferred to light source received vector and (is positioned on read head 4 or electricity
On road plate 3), on code-disc, 5 have a lot of scale code, the scale code on received vector sensing code-disc, often sense
Scale code, receives a signal, and optical signal is changed to the signal of telecommunication.Speed and position to motor
Carry out detection to confirm.After the installation accuracy of coder installing device 10 improves, detection signal accuracy carries
Gao Liao, then the stability of motor performance (torque, the fluctuation of rotating speed).
Angularly arrange and position around machine shaft 1 on the surface that circuit board 3 is relative with back end cover for motor 20
The 4th positioning boss (not indicating in figure) inside the first positioning boss 23.On read head 4 side surface
It is provided with the groove 41 housing code-disc 5.
The high-precision coder installing device of the present embodiment 100 by by support of the prior art with after
End cover designs is integrated, the back end cover for motor 20 being in the present embodiment, just can while processing
Well ensure the unification of processing dimension；Guarantee circuit board installation dimension, code-disc installation dimension and motor
Bearing chamber reference dimension keeps good position degree；Directly circuit board 3 and code-disc 5 are worked good during installation
After be arranged on back end cover for motor 20, decrease parts number, saved cost；Reduce
Vibration level in vibration processes, reduces the possibility of encoder and motor body resonance simultaneously；Reduce
Installation steps, reduce installation difficulty, improve production efficiency；Decrease cumulative error simultaneously,
Improve the installation accuracy of encoder, thus improve the control accuracy of motor.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement,
These broadly fall into protection scope of the present invention.
Claims (5)
1. a motor for high stable performance, it includes motor body, machine shaft, is positioned at described electricity
Back end cover for motor that machine rotating shaft is peripheral and be installed on the coder installing device on described motor rear end lid,
Described coder installing device include the circuit board being fixed on described motor rear end lid, be fixed on described
Read head on circuit board, through described read head and be set in the code-disc on described machine shaft, its
It is characterised by: the center of described back end cover for motor is provided with first that the described machine shaft of appearance passes
Through hole, is angularly provided with the first positioning boss around described first through hole, is provided with the first screwed hole
The second positioning boss, be provided with a pair the 3rd positioning boss of the second screwed hole and locating dowel, described
First positioning boss, the second positioning boss and the 3rd positioning boss and described back end cover for motor are monoblock type
Structure.
2. the motor of high stable performance as claimed in claim 1, it is characterised in that: described circuit board
The 4th location angularly it is provided with around described machine shaft on the surface relative with described back end cover for motor
Boss.
3. the motor of high stable performance as claimed in claim 2, it is characterised in that: the described 4th is fixed
Position boss is positioned at inside described first positioning boss.
4. the motor of high stable performance as claimed in claim 1, it is characterised in that: described locating dowel
Through described read head, coordinated so that described read head is with described with described second screwed hole by screw
Circuit board, described back end cover for motor are fixed together.
5. the motor of high stable performance as claimed in claim 1, it is characterised in that: described read head
The groove housing described code-disc it is provided with on side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307148.9A CN105914953A (en) | 2016-05-10 | 2016-05-10 | Motor with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610307148.9A CN105914953A (en) | 2016-05-10 | 2016-05-10 | Motor with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914953A true CN105914953A (en) | 2016-08-31 |
Family
ID=56748571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610307148.9A Pending CN105914953A (en) | 2016-05-10 | 2016-05-10 | Motor with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449450A (en) * | 2017-09-09 | 2017-12-08 | 尔智机器人（上海）有限公司 | A kind of magnetism encoder and joint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699564U (en) * | 2010-05-20 | 2011-01-05 | 深圳市雷赛机电技术开发有限公司 | Position sensing encoder assembly for driving system of permanent-magnet synchronous motor |
| US8471554B2 (en) * | 2011-01-24 | 2013-06-25 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Encoder module with an alignment system |
| CN203233292U (en) * | 2013-04-25 | 2013-10-09 | 金华英科尔电机有限公司 | Mounting structure of motor hall plate |
| CN203274768U (en) * | 2013-05-02 | 2013-11-06 | 长春荣德光学有限公司 | Integrated type photoelectric encoder with servo motor |
| CN205595954U (en) * | 2016-05-10 | 2016-09-21 | 上海市雷智电机有限公司 | Motor of high stability ability |
-
2016
- 2016-05-10 CN CN201610307148.9A patent/CN105914953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699564U (en) * | 2010-05-20 | 2011-01-05 | 深圳市雷赛机电技术开发有限公司 | Position sensing encoder assembly for driving system of permanent-magnet synchronous motor |
| US8471554B2 (en) * | 2011-01-24 | 2013-06-25 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Encoder module with an alignment system |
| CN203233292U (en) * | 2013-04-25 | 2013-10-09 | 金华英科尔电机有限公司 | Mounting structure of motor hall plate |
| CN203274768U (en) * | 2013-05-02 | 2013-11-06 | 长春荣德光学有限公司 | Integrated type photoelectric encoder with servo motor |
| CN205595954U (en) * | 2016-05-10 | 2016-09-21 | 上海市雷智电机有限公司 | Motor of high stability ability |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449450A (en) * | 2017-09-09 | 2017-12-08 | 尔智机器人（上海）有限公司 | A kind of magnetism encoder and joint |
| CN107449450B (en) * | 2017-09-09 | 2024-04-23 | 尔智机器人(珠海)有限公司 | Magneto-electric encoder and joint |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160831 |