CN109540180A - Single-bearing photoelectric encoder - Google Patents
Single-bearing photoelectric encoder Download PDFInfo
- Publication number
- CN109540180A CN109540180A CN201811587205.9A CN201811587205A CN109540180A CN 109540180 A CN109540180 A CN 109540180A CN 201811587205 A CN201811587205 A CN 201811587205A CN 109540180 A CN109540180 A CN 109540180A
- Authority
- CN
- China
- Prior art keywords
- bearing
- main shaft
- photoelectric encoder
- inner ring
- chamber
- 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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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 4
- 229920003266 Leaf® Polymers 0.000 description 10
- 230000007423 decrease Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/3473—Circular or rotary encoders
- G01D5/34738—Axles; Driving or coupling means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention relates to a single-bearing photoelectric encoder, which comprises a circuit board, a main shaft, a grating, a base and a bearing, wherein a bearing chamber is formed on the lower surface of the base, the bearing is fixedly connected in the bearing chamber, the bearing comprises an outer ring which is bonded with the inner wall of the bearing chamber and an inner ring which is rotationally connected with the outer ring, the main shaft is bonded in the inner ring, a supporting component for preventing the main shaft from axially moving is arranged below the bearing, a motor shaft penetrates through the main shaft and is fixed in the main shaft in the working process through a locking device, the main body of the encoder is made of high-temperature plastic, and a bearing is omitted, the motor is effectively prevented from axially moving in the measuring process under the condition of the single bearing through the arrangement of the supporting component, compared with the traditional encoder, the single-bearing photoelectric encoder is small in size, the height is.
Description
Technical field
The present invention relates to electronic measuring technology field more particularly to a kind of single bearing photoelectric encoders.
Background technique
Photoelectric encoder is a kind of the mechanical geometric displacement of output shaft to be converted to pulse or number by photoelectric conversion
The sensor of amount is mainly used in various numerical control devices, is a kind of most sensor of current application, photoelectric encoder mainly by
Grating and photoelectric detection system are constituted, and in servo-system, grating and motor coaxially cause the rotation of motor to drive grating
Rotation, then export several pulse signals through photoelectric detection system, can be calculated currently according to the pulses per second of the signal
The revolving speed of motor.The key problem of incremental photoelectric encoder first is that accurately guaranteeing that the photoelectricity on grating and circuit board turns
The air gap between chip is changed, incorporated light photoelectric coder is the main product of current servo in the market, and integral type is compiled
For code device, due to axial float occurring in measurement process for small electromotor, shafting size is held by setting metal (upper
It is easily fixed, but it has the defects of such as volume is big, at high cost.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of compact,
Save the single bearing photoelectric encoder of cost.
The present invention is to be achieved by the following technical programs:
A kind of single bearing photoelectric encoder, which is characterized in that including circuit board, main shaft and the affixed grating of main shaft and master
The pedestal and the bearing below pedestal of axis rotation connection, the circuit board surrounding and pedestal are affixed, table on the pedestal
Face is equipped with luminous tube, and the base lower surface is provided with bearing chamber, is connected with bearing in the bearing chamber, and the bearing includes and axis
The outer ring that chamber interior walls are bonded and the inner ring connecting with outer ring rotating are held, is bonded with main shaft, the main shaft one inside the inner ring
End is equipped with locking device, is equipped with below the bearing for preventing support component of the main shaft along axial float.
According to the above technical scheme, it is preferable that the support component includes interconnecting piece and the support being socketed on outside main shaft
Portion, the underside bearing surface are located in bearing chamber, and the interconnecting piece surrounding and bearing chamber interior walls are affixed, the interconnecting piece upper surface
It is connected with support portion, the support portion is abutted with inner ring lower surface.
According to the above technical scheme, it is preferable that the support component is spring leaf, and the base lower surface is located at bearing four
It is evenly distributed with one group of spring leaf week.
According to the above technical scheme, it is preferable that the spring leaf is provided with 4.
According to the above technical scheme, it is preferable that the locking device is clamping screw.
The beneficial effects of the present invention are:
It when work by motor shaft in insertion main shaft, and is fixed by locking device, which is height
Warm plastic material, and a bearing is saved, effectively avoid motor in the case of single-bearing from measuring by the setting of support component
Axial float occurs in journey, small in size compared to conventional codec, height declines about 10mm, is more suitable for the need of servosystem miniaturization
It asks, product cost decline about 10%~15%.
Detailed description of the invention
Fig. 1 be support component of the present invention be interconnecting piece and support portion when schematic view of the front view.
Fig. 2 be support component of the present invention be spring leaf when schematic view of the front view.
In figure: 1. main shafts, 2. circuit boards, 3. connection rings, 4. luminous tubes, 5. gratings, 6. pedestals, 7. inner rings, 8. outer rings, 9.
Support portion, 10. interconnecting pieces, 11. spring leafs.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention includes that the main shaft 1 being rotatablely connected in the middle part of circuit board 2 and circuit board 2 and main shaft 1 are affixed
Grating 5, the pedestal 6 being rotatablely connected with main shaft 1 and the bearing set on 6 lower section of pedestal, 2 surrounding of circuit board and pedestal 6 are solid
It connects, 6 upper surface surrounding of pedestal is integrally formed with connection ring 3 in this example, and 3 upper surface of connection ring and 2 lower surface of circuit board are affixed, institute
6 upper surface of pedestal is stated equipped with luminous tube 4,6 lower surface of pedestal is provided with bearing chamber, bearing, institute are connected in the bearing chamber
The inner ring 7 that bearing includes the outer ring 8 Nian Jie with bearing chamber interior walls and is rotatablely connected with outer ring 8 is stated, is bonded inside the inner ring 7
There is main shaft 1, described 1 one end of main shaft is equipped with locking device, is equipped with below the bearing for preventing main shaft 1 along the branch of axial float
Support component.It when work by motor shaft in insertion main shaft 1, and is fixed by locking device, which is height
Warm plastic material, and a bearing is saved, effectively avoid motor in the case of single-bearing from measuring by the setting of support component
Axial float occurs in journey, small in size compared to conventional codec, height declines about 10mm, is more suitable for the need of servosystem miniaturization
It asks, product cost decline about 10%~15%.
According to above-described embodiment, it is preferable that the support component includes interconnecting piece 10 and the support being socketed on outside main shaft 1
Portion 9, the underside bearing surface are located in bearing chamber, and 10 surrounding of interconnecting piece and bearing chamber interior walls are affixed, the interconnecting piece 10
Upper surface is connected with support portion 9, and the support portion 9 is abutted with 7 lower surface of inner ring, so that the inner ring 7 of bearing is connected to bearing
Between room and support portion 9, it is limited along axial movement, so that the main shaft 1 affixed with inner ring 7 will not be due to motor shaft
Axial float occurs.
According to above-described embodiment, it is preferable that the support component is spring leaf 11, and 6 lower surface of pedestal is located at bearing
Surrounding is evenly distributed with one group of spring leaf 11, the setting of spring leaf 11 so that during photoelectric encoder is connected to motor,
Motor and photoelectric encoder opposite side face clamping leaf spring 11, inner ring 7 is compacted in bearing chamber, is inhibited affixed with inner ring 7
Main shaft 1 axial float will not occur because of motor shaft.
According to above-described embodiment, it is preferable that the spring leaf 11 is provided with 4.
According to above-described embodiment, it is preferable that the locking device is clamping screw, and 1 top of main shaft is provided with threaded hole, motor
Axis and 1 upper screwed hole relative position of main shaft are provided with identical threaded hole, and clamping screw is connected through a screw thread motor shaft and photoelectricity
The main shaft 1 of encoder is fixed.
It when work by motor shaft in insertion main shaft 1, and is fixed by locking device, which is height
Warm plastic material, and a bearing is saved, effectively avoid motor in the case of single-bearing from measuring by the setting of support component
Axial float occurs in journey, small in size compared to conventional codec, height declines about 10mm, is more suitable for the need of servosystem miniaturization
It asks, product cost decline about 10%~15%.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of single bearing photoelectric encoder, which is characterized in that including circuit board, main shaft and main shaft affixed grating and main shaft
The pedestal of rotation connection and the bearing below pedestal, the circuit board surrounding and pedestal are affixed, the base upper surface
Equipped with luminous tube, the base lower surface is provided with bearing chamber, is connected with bearing in the bearing chamber, and the bearing includes and bearing
The outer ring of chamber interior walls bonding and the inner ring that connect with outer ring rotating are bonded with main shaft, described main shaft one end inside the inner ring
Equipped with locking device, it is equipped with below the bearing for preventing support component of the main shaft along axial float.
2. a kind of single bearing photoelectric encoder according to claim 1, which is characterized in that the support component includes being socketed on
Interconnecting piece and support portion outside main shaft, the underside bearing surface are located in bearing chamber, in the interconnecting piece surrounding and bearing chamber
Wall is affixed, and the interconnecting piece upper surface is connected with support portion, and the support portion is abutted with inner ring lower surface.
3. a kind of single bearing photoelectric encoder according to claim 1, which is characterized in that the support component is spring leaf,
The base lower surface is located at bearing surrounding and is evenly distributed with one group of spring leaf.
4. a kind of single bearing photoelectric encoder according to claim 3, which is characterized in that the spring leaf is provided with 4.
5. according to claim 1 to any one of 4 a kind of single bearing photoelectric encoder, which is characterized in that the lock
Determining device is clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811587205.9A CN109540180A (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811587205.9A CN109540180A (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540180A true CN109540180A (en) | 2019-03-29 |
Family
ID=65857555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811587205.9A Pending CN109540180A (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540180A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260899A (en) * | 2019-06-19 | 2019-09-20 | 倍赫曼工业技术(天津)有限公司 | A kind of photoelectric encoder being easily installed calibration |
| CN111289018A (en) * | 2020-03-06 | 2020-06-16 | 长春荣德光学有限公司 | Encoder of integrated bearing |
| CN112833927A (en) * | 2021-01-16 | 2021-05-25 | 海安市申菱电器制造有限公司 | Display type photoelectric encoder |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216107A (en) * | 1968-03-04 | 1970-12-16 | Zschopau Motorrad Veb | Improvements in and relating to bearings |
| JP2005233321A (en) * | 2004-02-20 | 2005-09-02 | Nsk Ltd | Encoder device and roller bearing having the encoder device |
| CN102226702A (en) * | 2011-03-22 | 2011-10-26 | 王天甜 | Increment type photoelectric encoder |
| CN202055917U (en) * | 2011-03-10 | 2011-11-30 | 深圳市安托山特种机电有限公司 | Power generator with auxiliary support structure |
| CN102829091A (en) * | 2012-09-07 | 2012-12-19 | 清华大学 | Rolling auxiliary bearing system |
| CN103148118A (en) * | 2013-03-22 | 2013-06-12 | 安徽江淮汽车股份有限公司 | Double-clutch device |
| CN204592020U (en) * | 2015-01-29 | 2015-08-26 | 上海兰宝传感科技股份有限公司 | A kind of modified model photoelectricity absolute value encoder bearing assembling structure |
| CN206759285U (en) * | 2017-03-31 | 2017-12-15 | 常州汉姆电机有限公司 | One kind runs at high speed step-servo motor |
| CN207261461U (en) * | 2017-10-11 | 2018-04-20 | 长沙远大住宅工业集团股份有限公司 | Oscillating bearing fixed structure and roll-over table |
| CN207853582U (en) * | 2018-01-12 | 2018-09-11 | 格力电器（合肥）有限公司 | Motor rotor, motor and air conditioner |
| CN108880118A (en) * | 2018-08-06 | 2018-11-23 | 南京中跃信息科技有限公司 | A kind of photoelectric encoder modularized motor |
| CN209310825U (en) * | 2018-12-25 | 2019-08-27 | 倍赫曼工业技术(天津)有限公司 | Single-bearing photoelectric encoder |
-
2018
- 2018-12-25 CN CN201811587205.9A patent/CN109540180A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216107A (en) * | 1968-03-04 | 1970-12-16 | Zschopau Motorrad Veb | Improvements in and relating to bearings |
| JP2005233321A (en) * | 2004-02-20 | 2005-09-02 | Nsk Ltd | Encoder device and roller bearing having the encoder device |
| CN202055917U (en) * | 2011-03-10 | 2011-11-30 | 深圳市安托山特种机电有限公司 | Power generator with auxiliary support structure |
| CN102226702A (en) * | 2011-03-22 | 2011-10-26 | 王天甜 | Increment type photoelectric encoder |
| CN102829091A (en) * | 2012-09-07 | 2012-12-19 | 清华大学 | Rolling auxiliary bearing system |
| CN103148118A (en) * | 2013-03-22 | 2013-06-12 | 安徽江淮汽车股份有限公司 | Double-clutch device |
| CN204592020U (en) * | 2015-01-29 | 2015-08-26 | 上海兰宝传感科技股份有限公司 | A kind of modified model photoelectricity absolute value encoder bearing assembling structure |
| CN206759285U (en) * | 2017-03-31 | 2017-12-15 | 常州汉姆电机有限公司 | One kind runs at high speed step-servo motor |
| CN207261461U (en) * | 2017-10-11 | 2018-04-20 | 长沙远大住宅工业集团股份有限公司 | Oscillating bearing fixed structure and roll-over table |
| CN207853582U (en) * | 2018-01-12 | 2018-09-11 | 格力电器（合肥）有限公司 | Motor rotor, motor and air conditioner |
| CN108880118A (en) * | 2018-08-06 | 2018-11-23 | 南京中跃信息科技有限公司 | A kind of photoelectric encoder modularized motor |
| CN209310825U (en) * | 2018-12-25 | 2019-08-27 | 倍赫曼工业技术(天津)有限公司 | Single-bearing photoelectric encoder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260899A (en) * | 2019-06-19 | 2019-09-20 | 倍赫曼工业技术(天津)有限公司 | A kind of photoelectric encoder being easily installed calibration |
| CN111289018A (en) * | 2020-03-06 | 2020-06-16 | 长春荣德光学有限公司 | Encoder of integrated bearing |
| CN112833927A (en) * | 2021-01-16 | 2021-05-25 | 海安市申菱电器制造有限公司 | Display type photoelectric encoder |
| CN112833927B (en) * | 2021-01-16 | 2023-01-06 | 海安市申菱电器制造有限公司 | Display type photoelectric encoder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200720 Address after: No.99, zhuangchi Middle Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Applicant after: DORNA TECHNOLOGY Co.,Ltd. Address before: 300 000 No. 13, Ziyuan Road, Huayuan Industrial Zone, Binhai High-tech Zone, Nankai District, Tianjin - B-601-1 Applicant before: BEIHEMAN INDUSTRIAL TECHNOLOGY (TIANJIN) Co.,Ltd. |
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