CN107834779A - Servomotor - Google Patents
Servomotor Download PDFInfo
- Publication number
- CN107834779A CN107834779A CN201711273546.4A CN201711273546A CN107834779A CN 107834779 A CN107834779 A CN 107834779A CN 201711273546 A CN201711273546 A CN 201711273546A CN 107834779 A CN107834779 A CN 107834779A
- Authority
- CN
- China
- Prior art keywords
- brake
- rotor
- encoder
- fixed
- armature spindle
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/106—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric brakes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/225—Detecting coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Braking Arrangements (AREA)
Abstract
It is an object of the invention to provide a kind of encoder and brake to be easily installed and dismantle, and encoder and brake relative axial position are more stable, the more compact servomotor of structure.A kind of servomotor, including armature spindle, one end of the armature spindle passes through end cap to extend on the outside of motor, brake assemblies and encoder component are fixed with the outside of the motor, brake rotor, which is arranged, to be fixed on armature spindle, the brake rotor is made up of two sections of one section of brake rotor and brake rotor, the brake stator is set in outside one section of brake rotor and fixed with end cap, described two sections of outer rims of brake rotor are on the outside of described one section of outer rim of brake rotor, encoder rotor is set on armature spindle, the brake rotor is between encoder rotor and end cap, axle sleeve is provided between two sections of the encoder rotor and brake rotor, the axial side of the armature spindle is provided with pad, the pad is fixed by the first fastener with armature spindle, so that the pad offsets with encoder rotor axial end.
Description
Technical field
The present invention relates to a kind of servomotor.
Background technology
Often installation rotary encoder, existing encoder there is a situation where to move to axial with armature spindle on servomotor,
Encoder performance is poor, and the fixed structure of encoder and motor is sufficiently complex so that whole motor volume is larger.
The content of the invention
It is an object of the invention to provide a kind of encoder and brake to be easily installed and dismantle, and encoder and axial phase of braking
It is more stable to position, the more compact servomotor of structure.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of servomotor, including armature spindle, described turn
One end of sub- axle, to extend on the outside of motor, is fixed with brake assemblies and encoder component, institute through end cap on the outside of the motor
Stating brake assemblies includes brake stator and brake rotor, and the brake rotor, which is arranged, to be fixed on armature spindle, the brake rotor
It is made up of two sections of one section of brake rotor and brake rotor, the brake stator is set in outside one section of brake rotor and consolidated with end cap
Fixed, for described two sections of outer rims of brake rotor on the outside of described one section of outer rim of brake rotor, the encoder component includes encoder
Rotor, the encoder rotor are set on armature spindle, and the brake rotor is between encoder rotor and end cap, the volume
Axle sleeve is provided between two sections of code device rotor and brake rotor, the axle sleeve is set on armature spindle, the axial side of the armature spindle
Provided with pad, the pad is fixed by the first fastener with armature spindle, and the pad is fixed with armature spindle, so that described
Pad offsets with encoder rotor axial end, and the axle sleeve is limited between brake rotor and encoder rotor, made
The encoder rotor is limited between axle sleeve and pad.
When carrying out the installation of inventive encoder, axle sleeve is set on armature spindle, then encoder rotor is set in and turned
On sub- axle, by the fixation of pad and armature spindle, encoder rotor is pressed on axle sleeve, axle sleeve is pressed on brake rotor
On, so as to realize the axial restraint of encoder rotor, to avoid encoder rotor axial location from changing.The motor of the present invention
It is compact-sized, the fixation of brake rotor, the encoder group of motor of the present invention can be carried out when carrying out the fixation of encoder rotor simultaneously
The installation fixing and demolition of part and brake assemblies are quite convenient to.
Preferably, the end cap is consolidated formed with side plate in a ring, the one end of the side plate away from end cap with fixed plate
It is fixed, encoder stator is fixed with the fixed plate, the fixed plate is formed with the through hole passed through for axle sleeve, the brake stator
Positioned at the side plate interior sides.The above-mentioned fixation for being provided for encoder stator.
Preferably, the end cap is consolidated formed with the bearing chamber for accommodating bearing, inner ring and the armature spindle of the bearing
Fixed, outer ring and the bearing chamber interior walls of the bearing are fixed, in the presence of first fastener and pad, the brake rotor
One section of axial face of brake rotor offseted with bearing inner race.By compressing brake rotor to pin bearing inner race, make the present invention's
Motor equipment is more convenient.As reference plane, brake size of gaps can be effectively ensured using bearing face in the brake rotor of the present invention,
And degree of firmly installing is more preferable.
Preferably, the thickness of the bearing is more than the depth of bearing chamber, the side axial end of the bearing extends to
On the outside of end cap, the brake stator is fixed by some second fasteners with end cap, and makes brake stator inner edge and bearing outer ring
Contact, formed with gap between the brake stator and end cap axial end.By compressing brake stator to pin bearing outer ring, make
The motor equipment of the present invention is more convenient.
Preferably, the gap formed with 2mm between the brake stator and end cap axial end.
Preferably, the end cap is fixed with brake formed with positioning convex in a ring, positioning convex inner edge shape
Sub- outer rim shape is identical.Above-mentioned setting is easy to the positioning of brake stator to fix.
Preferably, the fixed plate is formed with locating slot, the locating slot inner circumferential wall shape and encoder stator week
Identical to outer rim shape, the encoder stator is fixed with fixed plate, so that encoder stationary part is located in the locating slot.
Preferably, the pad and armature spindle are fixed so that formed with gap between pad and armature spindle axial end.
There is the present invention encoder and brake to be easily installed and dismantle, and encoder and brake relative axial position are more steady
Calmly, the advantages of structure is more compact.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Embodiment
Below according to the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of servomotor of the invention, including armature spindle 1, one end of armature spindle 1 pass through end cap 2 to prolong
Extend on the outside of motor, brake assemblies and encoder component are fixed with the outside of motor, brake assemblies include brake stator 3 and brake turns
Son 4, brake rotor 4 is arranged by key 11 and is fixed on armature spindle 1, and brake rotor 4 is by one section 41 of brake rotor and brake rotor
Two section of 42 composition, brake stator 3 are set in one section of 41 outer circumferential of brake rotor and fixed with end cap 2, two section 42 of brake rotor
Outer rim is located on the outside of one section of 41 outer rim of brake rotor.Encoder component includes encoder rotor 5 and encoder stator 6, encoder
Rotor 5 is set on armature spindle 1, and between encoder rotor 5 and end cap 2, encoder rotor 6 turns brake rotor 4 with brake
Axle sleeve 7 is provided between sub two section 42, axle sleeve 7 is set on armature spindle 1, and the axial side of armature spindle 1 is provided with pad 8, and pad 8 passes through
First fastener 12 is fixed with armature spindle 1, and pad 8 is fixed with armature spindle 1, so that pad 8 and the axial end of encoder rotor 5
Face offsets, and axle sleeve 7 is limited between brake rotor 4 and encoder rotor 6, encoder rotor 6 is limited in axle sleeve 7
Between pad 8.Between two section 42 of brake rotor and the brake axial face of stator 3, one section 41 of brake rotor and brake stator 3 weeks it is inside
Air gap is each formed between end face, pad 8 and armature spindle 1 are fixed so that formed with gap between pad 8 and the axial end of armature spindle 1.
End cap 2 is fixed formed with side plate 21 in a ring, the one end of side plate 21 away from end cap with fixed plate 22, fixed plate 22
On be fixed with encoder stator 6, fixed plate 22 be located on the inside of side plate 21 formed with the through hole passed through for axle sleeve 7, brake stator 3.
End cap 2 is fixed formed with the bearing chamber for accommodating bearing 9, inner ring and the armature spindle 1 of bearing 9, the outer ring of bearing 9 and bearing chamber
Inwall is fixed, in the presence of the first fastener 12 and pad 8, one section of 41 axial face of brake rotor and the bearing 9 of brake rotor 4
Inner ring axial end offsets.The thickness of bearing 9 is more than the depth of bearing chamber, and the side axial end of bearing 9 is extended to outside end cap 2
Side, brake stator 3 is fixed by some second fasteners 13 with end cap 2, and the inner edge of brake stator 3 is contacted with the outer ring of bearing 9,
Gap formed with 2mm between brake stator 3 and the axial end of end cap 2.
End cap 2 is formed with positioning convex 23 in a ring, the inner edge shape of positioning convex 23 and the outer rim shape phase of stator 3 of braking
Together.For fixed plate 22 formed with locating slot, the inner circumferential wall shape of locating slot 22 is identical with the circumferential outer rim shape of encoder stator 6, compiles
Code device stator 6 is fixed with fixed plate 22, so that encoder stationary part is located in locating slot.
When carrying out the installation of inventive encoder, axle sleeve is set on armature spindle, then encoder rotor is set in and turned
On sub- axle, by the fixation of pad and armature spindle, encoder rotor is pressed on axle sleeve, axle sleeve is pressed on brake rotor
On, so as to realize the axial restraint of encoder rotor, to avoid encoder rotor axial location from changing.The motor of the present invention
It is compact-sized, the fixation of brake rotor, the encoder group of motor of the present invention can be carried out when carrying out the fixation of encoder rotor simultaneously
The installation fixing and demolition of part and brake assemblies are quite convenient to.And the brake of the present invention using bearing face as reference plane,
Brake size of gaps can be effectively ensured, brake degree of firmly installing is more preferable.
Claims (8)
1. a kind of servomotor, it is characterised in that including armature spindle, one end of the armature spindle passes through end cap to extend to motor
Outside, the motor outside are fixed with brake assemblies and encoder component, and the brake assemblies include brake stator and brake turn
Son, the brake rotor, which is arranged, to be fixed on armature spindle, and the brake rotor is by one section of brake rotor and two sections of structures of brake rotor
Into the brake stator is set in outside one section of brake rotor and fixed with end cap, and described two sections of outer rims of brake rotor are positioned at described
On the outside of one section of outer rim of brake rotor, the encoder component includes encoder rotor, and the encoder rotor is set in armature spindle
On, the brake rotor is provided between encoder rotor and end cap between two sections of the encoder rotor and brake rotor
Axle sleeve, the axle sleeve are set on armature spindle, and the axial side of the armature spindle is provided with pad, and the pad passes through the first fastener
Fixed with armature spindle, and the pad is fixed with armature spindle, so that the pad offsets with encoder rotor axial end, and
The axle sleeve is limited between brake rotor and encoder rotor, the encoder rotor is limited in axle sleeve and pad
Between.
2. servomotor according to claim 1, it is characterised in that the end cap is formed with side plate in a ring, the side
The one end of plate away from end cap is fixed with fixed plate, encoder stator is fixed with the fixed plate, the fixed plate is formed with confession
The through hole that axle sleeve passes through, the brake stator are located at the side plate interior sides.
3. servomotor according to claim 1, it is characterised in that the end cap is formed with the bearing for accommodating bearing
Room, inner ring and the armature spindle of the bearing are fixed, and outer ring and the bearing chamber interior walls of the bearing are fixed, in first fastener
In the presence of pad, one section of axial face of brake rotor of the brake rotor offsets with bearing inner race.
4. servomotor according to claim 3, it is characterised in that the thickness of the bearing is more than the depth of bearing chamber, institute
The side axial end for stating bearing is extended on the outside of end cap, and the brake stator is fixed by some second fasteners with end cap,
And brake stator inner edge is contacted with bearing outer ring, formed with gap between the brake stator and end cap axial end.
5. servomotor according to claim 4, it is characterised in that formed between the brake stator and end cap axial end
There is 2mm gap.
6. servomotor according to claim 4, it is characterised in that the end cap is formed with positioning convex in a ring, institute
It is identical with brake stator outer rim shape to state positioning convex inner edge shape.
7. servomotor according to claim 2, it is characterised in that the fixed plate is formed with locating slot, the locating slot
Inner circumferential wall shape is identical with encoder stator circumference outer rim shape, and the encoder stator is fixed with fixed plate, so that coding
Device stationary part is located in the locating slot.
8. servomotor according to claim 1, it is characterised in that the pad is fixed with armature spindle so that pad is with turning
Formed with gap between sub- axle axial end.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273546.4A CN107834779A (en) | 2017-12-06 | 2017-12-06 | Servomotor |
| NZ740769A NZ740769A (en) | 2017-12-06 | 2018-03-15 | Servo motor |
| DE102018107649.5A DE102018107649A1 (en) | 2017-12-06 | 2018-03-29 | servomotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711273546.4A CN107834779A (en) | 2017-12-06 | 2017-12-06 | Servomotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834779A true CN107834779A (en) | 2018-03-23 |
Family
ID=61641909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711273546.4A Pending CN107834779A (en) | 2017-12-06 | 2017-12-06 | Servomotor |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107834779A (en) |
| DE (1) | DE102018107649A1 (en) |
| NZ (1) | NZ740769A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757280A (en) * | 2020-12-28 | 2021-05-07 | 深圳市优必选科技股份有限公司 | Steering wheel module and robot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499099B (en) * | 2022-01-19 | 2024-04-26 | 北京大豪工缝智控科技有限公司 | Stepping motor |
-
2017
- 2017-12-06 CN CN201711273546.4A patent/CN107834779A/en active Pending
-
2018
- 2018-03-15 NZ NZ740769A patent/NZ740769A/en unknown
- 2018-03-29 DE DE102018107649.5A patent/DE102018107649A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757280A (en) * | 2020-12-28 | 2021-05-07 | 深圳市优必选科技股份有限公司 | Steering wheel module and robot |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018107649A1 (en) | 2019-06-06 |
| NZ740769A (en) | 2018-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |