CN105258715A - Photoelectric encoder - Google Patents
Photoelectric encoder Download PDFInfo
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- CN105258715A CN105258715A CN201510701665.XA CN201510701665A CN105258715A CN 105258715 A CN105258715 A CN 105258715A CN 201510701665 A CN201510701665 A CN 201510701665A CN 105258715 A CN105258715 A CN 105258715A
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- rotating shaft
- code
- photoelectric encoder
- photoelectric
- disc
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Abstract
The invention discloses a photoelectric encoder. The photoelectric encoder comprises a rotating shaft (1), a code disk assembly which sleeves the rotating shaft (1) in a sliding mode, and a photoelectric detection assembly (2) which is fixedly arranged on the rotating shaft (1). The code disk assembly is equipped with a locking member used for locking the axial position of the code disk assembly on the rotating shaft (1). According to the photoelectric encoder of the invention, the problem that the gap between the code disk and the photoelectric detection assembly of the photoelectric encoder in the prior art cannot be adjusted is solved.
Description
Technical field
The present invention relates to encoder techniques field, in particular to a kind of photoelectric encoder.
Background technology
Photoelectric encoder a kind ofly integrates light, mechanical, electrical angle-measuring equipment, converts optical signalling to electric signal, thus realize the direct or indirect measurement of the multiple physical quantitys such as diagonal displacement, position and speed by physical construction and signal processing circuit.Wherein, the clearance control of code-disc and photoelectric detection component is the core element in coder structure design, decides quality level and the precision of encoder output.Existing scrambler producer mainly relies on improves part processing precision to ensure the gap of code-disc and photoelectric detection component, has the irreconcilable part processing cost in gap and crosses the shortcomings such as high.
Summary of the invention
A kind of photoelectric encoder is provided, to solve the nonadjustable problem of code-disc and photoelectric detection component gap of photoelectric encoder of the prior art in the embodiment of the present invention.
For achieving the above object, the embodiment of the present invention provides a kind of photoelectric encoder, comprise rotating shaft, be slidably located in the code-disc assembly outside rotating shaft and the photoelectric detection component that is fixedly installed in rotating shaft, code-disc assembly is provided with the locking member of the axial location of locking code-disc assembly in rotating shaft.
As preferably, code-disc assembly comprises the support be set in rotating shaft and the code-disc be fixedly installed on support, and locking member is the lock-screw being arranged on support and stretching out towards rotating shaft.
As preferably, the right alignment between code-disc and support is within 0.005mm.
As preferably, connect by UV is gluing between code-disc and support.
As preferably, photoelectric detection component comprises integrated PD and determines grating.
As preferably, photoelectric encoder also comprises base, and base sheath is located at outside rotating shaft, is provided with bearing between base and rotating shaft.
As preferably, photoelectric encoder also comprises printed board, and printed board is fixed by screws on base, and photoelectric detection component is fixedly installed on the side of printed board towards code-disc assembly.
As preferably, rotating shaft extenal fixation is provided with nut, for fastening bearing.
As preferably, base has duplex bearing cell structure.
As preferably, the link of rotating shaft is fixedly installed mounting elastic sheet.
As preferably, photoelectric encoder also comprises shell, and jacket is located at outside photoelectric detection component and code-disc assembly.
Apply technical scheme of the present invention, photoelectric encoder comprises rotating shaft, be slidably located in the code-disc assembly outside rotating shaft and the photoelectric detection component that is fixedly installed in rotating shaft, code-disc assembly is provided with the locking member of the axial location of locking code-disc assembly in rotating shaft.Code-disc assembly can sliding axially along rotating shaft, thus the gap that can adjust between photoelectric detection component, after adjustment completes, be fixed by locking member, thus ensure that the gap between code-disc and photoelectric detection component meets the demands, ensure quality level and the precision of code-wheel output signal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the photoelectric encoder of the embodiment of the present invention.
Description of reference numerals: 1, rotating shaft; 2, photoelectric detection component; 3, support; 4, code-disc; 5, nut; 6, printed board; 7, base; 8, bearing; 9, mounting elastic sheet; 10, shell.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
Shown in Figure 1, according to embodiments of the invention, photoelectric encoder comprises rotating shaft 1, be slidably located in the code-disc assembly outside rotating shaft 1 and the photoelectric detection component 2 that is fixedly installed in rotating shaft 1, code-disc assembly is provided with the locking member of the axial location of locking code-disc assembly in rotating shaft 1.
Code-disc assembly can sliding axially along rotating shaft 1, thus the gap that can adjust between photoelectric detection component 2, after adjustment completes, be fixed by locking member, thus ensure that the gap between code-disc 4 and photoelectric detection component 2 meets the demands, ensure quality level and the precision of code-wheel output signal.
When adjusting the gap between code-disc 4 and photoelectric detection component 2, the gap can determining between code-disc 4 and photoelectric detection component 2 by the spacer shims of different size, locking member is regulated after gap is determined, code-disc assembly is locked in rotating shaft 1, thus completes the gap between code-disc 4 and photoelectric detection component 2 is adjusted.Owing to can be adjusted the gap between code-disc 4 and photoelectric detection component 2 in this programme by the position adjusting code-disc assembly, therefore ensureing the gap between code-disc 4 and photoelectric detection component 2 without the need to the precision by improving part, the part processing cost of scrambler can be reduced.
Code-disc assembly comprises the support 3 be set in rotating shaft 1 and the code-disc 4 be fixedly installed on support 3, and locking member is the lock-screw being arranged on support 3 and stretching out towards rotating shaft 1.Support 3 has been disposed radially screw hole, and lock-screw is arranged in this screw hole, when needs regulate code-disc module position, unscrews lock-screw, makes code-disc assembly can along the axially lower slider of rotating shaft 1.After adjustment completes, can tighten lock-screw, the relative position of locking code-disc assembly and rotating shaft 1, regulates more simple and convenient, regulates efficiency higher.Certainly, locking member also can be the fit structure of claw and set nut, or other locking mechanism.
Right alignment between code-disc 4 and support 3 is within 0.005mm.In the present embodiment, be clearance fit between code-disc 4 and support 3, then connect by UV is gluing between code-disc 4 and support 3, thus ensure the right alignment between code-disc 4 and support 3.
Photoelectric detection component 2 comprises integrated PD and determines grating.Photoelectric detection component 2 is formation processing circuit together with printed board 6, can play the effect of opto-electronic conversion and signal transacting.
Photoelectric encoder also comprises base 7, and base 7 is set in outside rotating shaft 1, is provided with bearing 8 between base 7 and rotating shaft 1.
Rotating shaft 1 extenal fixation is provided with nut 5, plays fastening effect to bearing 8, to carry out production assembling.
Photoelectric encoder also comprises printed board 6, and printed board 6 is fixed by screws on base 7, and photoelectric detection component 2 is fixedly installed on the side of printed board 6 towards code-disc assembly.
Base 7 has duplex bearing cell structure, is positioned at the both sides of base 7, for bearing 8 provides installation position, ensures the stability of axle system.
The link of rotating shaft 1 is fixedly installed mounting elastic sheet 9, when the link of rotating shaft 1 and motor are linked together, can play certain cushioning effect.
Photoelectric encoder also comprises shell 10, and shell 10 is located at outside photoelectric detection component 2 and code-disc assembly, for scrambler provides separate space, can play the function of effective dust and water protection.
The assembling process of photoelectric encoder is as follows:
1, code-disc 4 is arranged on scribbles on the support 3 of UV glue, under the microscope, utilize code-disc aligning device, by the right alignment adjustment of code-disc 4 and support 3 within 0.005mm, then turn on UV lamp and carry out glue curing;
2, rotating shaft 1 and bearing 8 are fitted into base 7, complete the structural member assembling of scrambler;
3, be fixed on base 7 in advance by printed board 6, code-disc assembly is fixed in rotating shaft 1 in advance;
4, adjust the gap of code-disc 4 and photoelectric detection component 2 vertically, adopt spacer shims to control its gap to 0.2mm, after determining gap, code-disc assembly lock-screw is fixed in rotating shaft 1;
5, assemble shell 10 and mounting elastic sheet 9, complete the assembling of scrambler.
Certainly, be more than the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from its general principles, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (11)
1. a photoelectric encoder, it is characterized in that, comprise rotating shaft (1), be slidably located in described rotating shaft (1) code-disc assembly outward and the photoelectric detection component (2) be fixedly installed in described rotating shaft (1), described code-disc assembly is provided with the locking member of the axial location of the described code-disc assembly of locking in described rotating shaft (1).
2. photoelectric encoder according to claim 1, it is characterized in that, described code-disc assembly comprises the support (3) be set in described rotating shaft (1) and the code-disc (4) be fixedly installed on described support (3), and described locking member is gone up and the lock-screw stretched out towards described rotating shaft (1) for being arranged on described support (3).
3. photoelectric encoder according to claim 2, is characterized in that, the right alignment between described code-disc (4) and described support (3) is within 0.005mm.
4. photoelectric encoder according to claim 2, is characterized in that, connects between described code-disc (4) and described support (3) by UV is gluing.
5. photoelectric encoder according to claim 1, is characterized in that, described photoelectric detection component (2) comprises integrated PD and determines grating.
6. photoelectric encoder according to claim 1, it is characterized in that, described photoelectric encoder also comprises base (7), described base (7) is set in described rotating shaft (1) outward, is provided with bearing (8) between described base (7) and described rotating shaft (1).
7. photoelectric encoder according to claim 6, it is characterized in that, described photoelectric encoder also comprises printed board (6), described printed board (6) is fixed by screws on described base (7), and described photoelectric detection component (2) is fixedly installed on the side of described printed board (6) towards described code-disc assembly.
8. photoelectric encoder according to claim 6, is characterized in that, described rotating shaft (1) extenal fixation is provided with nut (5), for fastening described bearing (8).
9. photoelectric encoder according to claim 6, is characterized in that, described base (7) has duplex bearing cell structure.
10. photoelectric encoder according to claim 1, is characterized in that, the link of described rotating shaft (1) is fixedly installed mounting elastic sheet (9).
11. photoelectric encoders according to claim 1, is characterized in that, described photoelectric encoder also comprises shell (10), and described shell (10) is located at outside described photoelectric detection component (2) and described code-disc assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701665.XA CN105258715A (en) | 2015-10-22 | 2015-10-22 | Photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510701665.XA CN105258715A (en) | 2015-10-22 | 2015-10-22 | Photoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105258715A true CN105258715A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510701665.XA Pending CN105258715A (en) | 2015-10-22 | 2015-10-22 | Photoelectric encoder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698830A (en) * | 2016-03-16 | 2016-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Photoelectric module and manufacturing method thereof and photoelectric encoder |
| CN106899228A (en) * | 2017-04-01 | 2017-06-27 | 西安交通大学 | Include the rotary inertia piezoelectric actuator and start method of photoelectric encoder |
| CN110824183A (en) * | 2019-12-12 | 2020-02-21 | 山东理工大学 | Motor speed measurement code wheel fixing device |
| TWI692619B (en) * | 2018-09-12 | 2020-05-01 | 台達電子工業股份有限公司 | Encoder and rotatable device using same |
| US10914616B2 (en) | 2018-09-12 | 2021-02-09 | Delta Electronics, Inc. | Encoder and rotatable device using same |
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| JPH025132A (en) * | 1988-06-24 | 1990-01-10 | Hitachi Ltd | Automatic document forming system |
| CN101000250A (en) * | 2006-01-12 | 2007-07-18 | 中国科学院长春光学精密机械与物理研究所 | Absolute compound axis photoelectric shaft-position encoder |
| CN201408013Y (en) * | 2009-04-13 | 2010-02-17 | 江苏合丰机械制造有限公司 | Installing structure of transmission component in coder |
| CN102025230A (en) * | 2010-08-12 | 2011-04-20 | 许晓华 | Locking structure of code disc of motor encoder and rotating shaft of motor |
| CN204388873U (en) * | 2014-12-26 | 2015-06-10 | 广州市昊志机电股份有限公司 | The mounting structure of code-wheel and code-wheel and axle core |
| CN204831336U (en) * | 2015-06-30 | 2015-12-02 | 深圳市英科达光电科技有限公司 | Absolute formula photoelectric encoder who combines together with motion control system |
-
2015
- 2015-10-22 CN CN201510701665.XA patent/CN105258715A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025132A (en) * | 1988-06-24 | 1990-01-10 | Hitachi Ltd | Automatic document forming system |
| CN101000250A (en) * | 2006-01-12 | 2007-07-18 | 中国科学院长春光学精密机械与物理研究所 | Absolute compound axis photoelectric shaft-position encoder |
| CN201408013Y (en) * | 2009-04-13 | 2010-02-17 | 江苏合丰机械制造有限公司 | Installing structure of transmission component in coder |
| CN102025230A (en) * | 2010-08-12 | 2011-04-20 | 许晓华 | Locking structure of code disc of motor encoder and rotating shaft of motor |
| CN204388873U (en) * | 2014-12-26 | 2015-06-10 | 广州市昊志机电股份有限公司 | The mounting structure of code-wheel and code-wheel and axle core |
| CN204831336U (en) * | 2015-06-30 | 2015-12-02 | 深圳市英科达光电科技有限公司 | Absolute formula photoelectric encoder who combines together with motion control system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698830A (en) * | 2016-03-16 | 2016-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Photoelectric module and manufacturing method thereof and photoelectric encoder |
| CN106899228A (en) * | 2017-04-01 | 2017-06-27 | 西安交通大学 | Include the rotary inertia piezoelectric actuator and start method of photoelectric encoder |
| CN106899228B (en) * | 2017-04-01 | 2019-01-08 | 西安交通大学 | Include the rotary inertia piezoelectric actuator and actuation method of photoelectric encoder |
| TWI692619B (en) * | 2018-09-12 | 2020-05-01 | 台達電子工業股份有限公司 | Encoder and rotatable device using same |
| US10914616B2 (en) | 2018-09-12 | 2021-02-09 | Delta Electronics, Inc. | Encoder and rotatable device using same |
| CN110824183A (en) * | 2019-12-12 | 2020-02-21 | 山东理工大学 | Motor speed measurement code wheel fixing device |
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