CN109405857A - Split type photoelectric encoder - Google Patents
Split type photoelectric encoder Download PDFInfo
- Publication number
- CN109405857A CN109405857A CN201811312007.1A CN201811312007A CN109405857A CN 109405857 A CN109405857 A CN 109405857A CN 201811312007 A CN201811312007 A CN 201811312007A CN 109405857 A CN109405857 A CN 109405857A
- Authority
- CN
- China
- Prior art keywords
- rotor
- circuit board
- rotary shaft
- split type
- photoelectric encoder
- 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
- 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 18
- 210000003205 muscle Anatomy 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000005622 photoelectricity Effects 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
- 230000009286 beneficial effect Effects 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
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Abstract
The invention relates to a split type photoelectric encoder, comprising a circuit board, a rotating shaft, a code wheel, a base and a fixing component, wherein the fixing component comprises a fixing ring, a wedge-shaped supporting block and a rotor which are sleeved in the base, the fixing ring can drive the rotor to rotate on the base, so that the rotor is supported by the wedge-shaped supporting block on the base to change the height, the rotor is propped against the lower surface of the rotating shaft at the highest position to ensure the air gap between the code wheel and a photoelectric conversion chip on the circuit board, a rotating shaft of a motor and the rotating shaft of the photoelectric encoder are fixed through a locking device, and then the rotor is rotated to the lowest position to normally work, the structure not only ensures the safe and simple installation on site, but also ensures the air gap between the code wheel and the photoelectric conversion chip on the circuit board, compared with an integrated type encoder, the size is small, the main body of the encoder is made of plastic, a pair of bearings is omitted, and the product cost is reduced by about 30%.
Description
Technical field
The present invention relates to electronic measuring technology field more particularly to a kind of split type 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
Code-disc and photoelectric detection system are constituted, and in servo-system, code-disc and motor coaxially cause the rotation of motor to drive code-disc
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 code-disc 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 there is the presence of metal (upper, shafting size is easy to be fixed, but it is big, at high cost in the presence of such as volume
The defects of.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of split type photoelectricity is provided
Encoder.
The present invention is to be achieved by the following technical programs:
A kind of split type photoelectric encoder, including circuit board, the rotary shaft, affixed with rotary shaft with circuit board rotation connection
Code-disc and pedestal equipped with luminous tube, the circuit board, rotary shaft, code-disc and the middle of the base be provided with shaft channel,
It outwardly protrudes to form connection ring muscle in the middle part of the rotary shaft, the connection ring muscle is connected with code-disc upwards, which is characterized in that also wraps
Fixation kit is included, the fixation kit includes the fixed ring for being socketed on chassis interior, one group of wedge shape for being fixed in base upper surface
The rotor that supporting block and both ends run through fixed ring and are slidably connected with base inner wall, the fixed ring upper surface and circuit board are solid
It connects, the rotor is set to above wedge shaped support block, and rotor resists rotary shaft lower surface, is made under the code-disc upper surface and circuit board
There are gap, the rotary shaft tops to be equipped with locking device on surface.
According to the above technical scheme, it is preferable that the rotor includes rotating ring and is symmetrically fixed in rotating ring two sides
Support shaft, the fixed ring two sides are provided with rectangular opening, and the support shaft is passed through from rectangular opening and is slidably connected with base inner wall.
According to the above technical scheme, it is preferable that the base inner wall is symmetrically provided with slideway, and square is run through in described support shaft one end
Shape hole extends in slideway, and the slideway includes first sliding groove and the second sliding slot that is connected to first sliding groove, and described first is sliding
Slot is higher than second sliding slot.
According to the above technical scheme, it is preferable that the base upper surface is connected with 4 wedge shapes in the same direction on the outside of shaft channel
Supporting block.
According to the above technical scheme, it is preferable that the wedge shaped support block section parallel with the axis of rotary shaft is right angle
It is trapezoidal.
According to the above technical scheme, it is preferable that the locking device is clamping screw.
The beneficial effects of the present invention are:
Fixed ring can drive rotor to rotate on pedestal, thus make rotor by the support of the wedge shaped support block on pedestal and
Change height, rotor resists rotary shaft lower surface at extreme higher position, both ensure that the photoelectric conversion core on code-disc and circuit board
The air gap between piece in turn ensures the concentricity of code-disc and photoelectric conversion chip, and the shaft insertion shaft of motor is led to
In road, the rotary shaft of the shaft of motor and photoelectric encoder is fixed by locking device, then rotates rotor to minimum
Position can work normally, and structure design had both guaranteed the installation that scene can be safe and simple, and guaranteed on code-disc and circuit board
Photoelectric conversion chip between the air gap, compared to integral type encoder it is small in size, height decline about 15mm, be more suitable for servo
The demand of device miniaturization, encoder main body becomes plastic material, and saves a pair of bearings, product cost decline about 30%.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the schematic perspective view of pedestal of the present invention.
Fig. 3 is the side structure schematic view of fixed ring of the present invention.
Fig. 4 is the schematic perspective view of rotor of the present invention.
In figure: 1. rotary shafts, 2. shafts, 3. clamping screws, 4. circuit boards, 5. fixed rings, 6. connection ring muscle, 7. code-discs,
8. luminous tube, 9. wedge shaped support blocks, 10. rotors, 11. pedestals, 12. rectangular openings, 13. first sliding grooves, 14. second sliding slots.
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 rotary shaft 1 that circuit board 4 and circuit board 4 are rotatablely connected and rotary shaft 1 are affixed
Code-disc 7 and pedestal 11 equipped with luminous tube 8, the circuit board 4, rotary shaft 1, code-disc 7 and 11 middle part of pedestal are provided with and turn
Axis channel outwardly protrudes to form connection ring muscle 6 in the middle part of the rotary shaft 1, and the connection ring muscle 6 is connected with code-disc 7 upwards, special
Sign is, further includes fixation kit, and the fixation kit includes being socketed on fixed ring 5 inside pedestal 11, being fixed in pedestal 11
The rotor 10 that one group of wedge shaped support block 9 of upper surface and both ends run through fixed ring 5 and are slidably connected with 11 inner wall of pedestal, it is described
5 upper surface of fixed ring and circuit board 4 are affixed, and the rotor 10 is set to 9 top of wedge shaped support block, and rotor 10 resists under rotary shaft 1
Surface makes 7 upper surface of code-disc and 4 lower surface of circuit board there are gap, and 1 top of rotary shaft is equipped with locking device, Gu
Determining ring 5 can drive rotor 10 to rotate on the pedestal 11, thus make rotor 10 by the support of the wedge shaped support block 9 on pedestal 11 and
Change height, rotor 10 resists 1 lower surface of rotary shaft at extreme higher position, both ensure that the photoelectricity on code-disc 7 and circuit board 4 turned
The air gap between chip is changed, in turn ensures the concentricity of code-disc 7 Yu photoelectric conversion chip, the shaft 2 of motor is inserted into
It is by locking device that the shaft 2 of motor and the rotary shaft 1 of photoelectric encoder is fixed in shaft channel, then by rotor 10
Rotation to extreme lower position can work normally, and structure design had both guaranteed the installation that scene can be safe and simple, and guaranteed code-disc 7
Small in size compared to integral type encoder with the air gap between the photoelectric conversion chip on circuit board 4, height decline is about
15mm, be more suitable for servosystem miniaturization demand, encoder main body becomes plastic material, and saves a pair of bearings, product at
This decline about 30%.
According to above-described embodiment, it is preferable that the rotor 10 includes rotating ring and is symmetrically fixed in rotating ring two sides
Support shaft, 5 two sides of fixed ring are provided with rectangular opening 12, and the support shaft is passed through from rectangular opening 12 and slided with 11 inner wall of pedestal
Dynamic connection, the height of rectangular opening 12 are greater than the diameter of support shaft, guarantee that rotor 10 moves up and down in rotary course.
According to above-described embodiment, it is preferable that 11 inner wall of pedestal is symmetrically provided with slideway, and square is run through in described support shaft one end
Shape hole 12 extends in slideway, and the slideway includes first sliding groove 13 and the second sliding slot being connected to first sliding groove 13 14, institute
First sliding groove 13 is stated higher than second sliding slot 14, first sliding groove 13 is aligned with 14 bottom surface of second sliding slot, and first sliding groove 13 is higher than second
Sliding slot 14 can slide into the so that rotor 10 is located at 13 top of first sliding groove at extreme higher position when rotation is to extreme lower position
In two sliding slots 14, guarantee the accurate movement in slideway of rotor 10.
According to above-described embodiment, it is preferable that 11 upper surface of pedestal is connected with 4 wedge shapes in the same direction on the outside of shaft channel
Supporting block 9 makes rotor 10 be changed height by the support of the wedge shaped support block 9 on pedestal 11, to guarantee code-disc 7 and circuit board
The gap between photoelectric conversion chip on 4.
According to above-described embodiment, it is preferable that the wedge shaped support block 9 section parallel with the axis of rotary shaft 1 is right angle
Trapezoidal, the direction of first sliding groove 13 to second sliding slot 14 is consistent with the direction of wedge shaped support block 9 highest point to minimum point, makes rotor
10 move on the inclined-plane of wedge shaped support block 9 and change height, to guarantee the photoelectric conversion chip on code-disc 7 and circuit board 4
Between the air gap.
According to above-described embodiment, it is preferable that the locking device is clamping screw 3, and 1 top of rotary shaft is provided with threaded hole,
The shaft 2 of motor and 1 upper screwed hole relative position of rotary shaft are provided with identical threaded hole, and clamping screw 3 is connected through a screw thread
The shaft 2 of motor and the rotary shaft 1 of photoelectric encoder is fixed.
Fixed ring 5 can drive rotor 10 to rotate on the pedestal 11, to make rotor 10 by the wedge shaped support on pedestal 11
The support of block 9 and change height, rotor 10 resists 1 lower surface of rotary shaft at extreme higher position, both ensure that code-disc 7 and circuit board
The air gap between photoelectric conversion chip on 4, in turn ensures the concentricity of code-disc 7 Yu photoelectric conversion chip, by motor
Shaft 2 be inserted into shaft channel, it is by locking device that the rotary shaft 1 of the shaft 2 of motor and photoelectric encoder is fixed, so
Rotor 10, which is rotated to extreme lower position, afterwards to work normally, and structure design had both guaranteed the installation that scene can be safe and simple,
And guarantee the air gap between the photoelectric conversion chip on code-disc 7 and circuit board 4, and it is small in size compared to integral type encoder, it is high
Degree decline about 15mm, is more suitable for the demand of servosystem miniaturization, encoder main body becomes plastic material, and saves a pair of of axis
It holds, product cost decline about 30%.
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 (6)
1. a kind of split type photoelectric encoder, rotary shaft and rotary shaft including circuit board and circuit board rotation connection are affixed
Code-disc and pedestal equipped with luminous tube, the circuit board, rotary shaft, code-disc and the middle of the base are provided with shaft channel, institute
It states and outwardly protrudes to form connection ring muscle in the middle part of rotary shaft, the connection ring muscle is connected with code-disc upwards, which is characterized in that further includes
Fixation kit, the fixation kit include the fixed ring for being socketed on chassis interior, one group of wedge shape branch for being fixed in base upper surface
The rotor that bracer and both ends run through fixed ring and are slidably connected with base inner wall, the fixed ring upper surface and circuit board are solid
It connects, the rotor is set to above wedge shaped support block, and rotor resists rotary shaft lower surface, is made under the code-disc upper surface and circuit board
There are gap, the rotary shaft tops to be equipped with locking device on surface.
2. a kind of split type photoelectric encoder according to claim 1, which is characterized in that the rotor include rotating ring and
It is symmetrically fixed in the support shaft of rotating ring two sides, the fixed ring two sides are provided with rectangular opening, and the support shaft is worn from rectangular opening
It crosses and is slidably connected with base inner wall.
3. a kind of split type photoelectric encoder according to claim 2, which is characterized in that the base inner wall is symmetrically provided with cunning
Road, described support shaft one end extend in slideway through rectangular opening, and the slideway includes first sliding groove and connects with first sliding groove
Logical second sliding slot, the first sliding groove are higher than second sliding slot.
4. a kind of split type photoelectric encoder according to claim 1, which is characterized in that the base upper surface is logical along shaft
4 wedge shaped support blocks are connected on the outside of road in the same direction.
5. a kind of split type photoelectric encoder according to claim 4, which is characterized in that the wedge shaped support block and rotary shaft
The parallel section of axis be right-angled trapezium.
6. according to claim 1 to any one of 5 a kind of split type photoelectric encoder, which is characterized in that the lock
Determining device is clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312007.1A CN109405857A (en) | 2018-11-06 | 2018-11-06 | Split type photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312007.1A CN109405857A (en) | 2018-11-06 | 2018-11-06 | Split type photoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109405857A true CN109405857A (en) | 2019-03-01 |
Family
ID=65471507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312007.1A Pending CN109405857A (en) | 2018-11-06 | 2018-11-06 | Split type photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525234A (en) * | 2020-11-19 | 2021-03-19 | 无锡麦德瑞光电科技有限公司 | Heavy-load type shaftless encoder |
| WO2021056886A1 (en) * | 2019-09-29 | 2021-04-01 | 浙江禾川科技股份有限公司 | Installation structure for split encoder |
-
2018
- 2018-11-06 CN CN201811312007.1A patent/CN109405857A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021056886A1 (en) * | 2019-09-29 | 2021-04-01 | 浙江禾川科技股份有限公司 | Installation structure for split encoder |
| CN112525234A (en) * | 2020-11-19 | 2021-03-19 | 无锡麦德瑞光电科技有限公司 | Heavy-load type shaftless encoder |
| CN112525234B (en) * | 2020-11-19 | 2022-12-02 | 无锡麦德瑞光电科技有限公司 | Heavy-load type shaftless encoder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208968565U (en) | Split type photoelectric encoder | |
| CN109405857A (en) | Split type photoelectric encoder | |
| KR102652062B1 (en) | clamping device | |
| CN207439354U (en) | Worm-gear speed reducer worm screw axial displacement and normal backlash detection device | |
| CN212278098U (en) | High-precision combined transmission device | |
| CN207334386U (en) | A kind of stage lamp device with the positioning of horizontal and vertical movement intelligent-induction | |
| US3793896A (en) | Incremental linear positioning apparatus | |
| US10415805B2 (en) | Lighting fixture and related control method | |
| CN112229298B (en) | Self-propelled slewing bearing tooth jump detection device | |
| CN208719267U (en) | A kind of worm and gear rotating mechanism | |
| CN109443401A (en) | Photoelectric encoder | |
| CN209310825U (en) | Single-bearing photoelectric encoder | |
| CN104991569B (en) | A kind of arc guide rail space camera bias current adjustment mechanism | |
| CN112050838A (en) | Dual-precision electromechanical encoder | |
| CN208369386U (en) | A kind of electric cylinder of inbuilt displacement sensor and precise ball screw | |
| CN207938391U (en) | A kind of power cable production winding apparatus | |
| CN114393553A (en) | High-precision rotary table system driven by lead screw in linear mode | |
| CN110260895A (en) | A kind of photoelectric encoder | |
| CN201289385Y (en) | Encoder base | |
| CN211042147U (en) | High-precision running stroke measuring device | |
| CN110470319B (en) | Turntable structure for limiting large rotation angle | |
| CN114393553B (en) | High-precision turntable system driven by lead screw in straight line | |
| CN217874028U (en) | Driving and controlling integrated sliding table type electric cylinder | |
| CN209212819U (en) | A kind of flexible connecting device of High-precision angle encoder | |
| CN220270472U (en) | Electric speed position flying turntable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200716 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. |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |