CN205642400U - Absolute formula photoelectric encoder's structure - Google Patents
Absolute formula photoelectric encoder's structure Download PDFInfo
- Publication number
- CN205642400U CN205642400U CN201620500982.5U CN201620500982U CN205642400U CN 205642400 U CN205642400 U CN 205642400U CN 201620500982 U CN201620500982 U CN 201620500982U CN 205642400 U CN205642400 U CN 205642400U
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- main shaft
- encoder
- sensitive array
- code
- sealing bearing
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Abstract
The utility model provides an absolute formula photoelectric encoder's structure, a terminal surface of shell is provided with the encoder base, be provided with the main shaft in the encoder base, be provided with left sealed bearing and right sealed bearing between main shaft and the encoder base, be provided with left E type retaining ring on left side sealed bearing's the left side main shaft, the right side of right side sealed bearing's right side main shaft is provided with right E type retaining ring, the right -hand member of main shaft is provided with the code wheel, it is provided with the light sensitive array on the terminal surface of one side encoder base of code wheel to be located, the code wheel stretches into the U -shaped inslot of light sensitive array, the light sensitive array right side is provided with signal processing circuit board, signal processing circuit board's cable stretches out outside the shell through the connector. The utility model has the advantages of rational in infrastructure, the installation is simple, test stability is good.
Description
Technical field
This utility model belongs to the device technique field utilizing photoelectric cell detection light beam, is specifically related to a kind of absolute
The structure of formula photoelectric encoder.
Background technology
Photoelectric encoder is the digital accurate angle measurement unit of a kind of optical, mechanical and electronic integration, absolute type photoelectric coding
Device is the sensor by optical signal being converted into signal of telecommunication output absolute location information, and it is the most right that it has output data
Answer a position, need not after absolute zero position, power-off restarting without finding zero-bit, without advantages such as cumulative errors,
It is widely used in the automatic fields such as robot, Digit Control Machine Tool, radar, theodolite.
The structure of the most conventional absolute optical encoder is: photoelectric conversion section, signal processing, machinery
Structure division；The mechanical part of absolute optical encoder is the important component part of photoelectric encoder, decides light
The performance quality of photoelectric coder, wherein mechanical part includes pedestal, bearing, main shaft, E type jump ring, shell, respectively
Closely cooperating between mechanical devices determines the stability of mechanical system, thus ensures the precision that encoder exports.
Existing assembly technology fully relies on experienced technical staff and high precision apparatus on-line debugging could be complete
Becoming, installation period is long, and cost height can not meet the demand of actual production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in construction, easy to operate, measuring accuracy
The structure of the absolute optical encoder of high, good stability.
The end face solving the technical scheme is that shell of above-mentioned technical problem is provided with encoder pedestal, compiles
It is provided with main shaft in code device pedestal, between main shaft and encoder pedestal, is provided with left sealing bearing and right sealing bearing,
Being provided with left E type back-up ring on the left side main shaft of left sealing bearing, the right side of the right side main shaft of right sealing bearing is provided with
Right E type back-up ring, the right-hand member of main shaft is provided with code-disc, and the end face of the side encoder pedestal being positioned at code-disc is provided with
Light-sensitive array, code-disc extend in the U-lag of light-sensitive array, is provided with signal processing circuit board on the right side of light-sensitive array,
The cable of signal processing circuit board is reached outside shell by adapter.
This utility model uses left sealing bearing and right seal shaft to accept insurance and demonstrate,proves the centrage position of main shaft and encoder pedestal
On same straight line, the left side main shaft of left sealing bearing is provided with left E type back-up ring, the right side of right sealing bearing
The right side of main shaft is provided with right E type back-up ring, left E type back-up ring and right E type back-up ring and is used for location and fixed main shaft,
Preventing main shaft generation play, it is ensured that code-disc and the gap of light-sensitive array, this utility model has rational in infrastructure, installation
Simply, the advantage that measuring stability is good.
Accompanying drawing explanation
Fig. 1 be this utility model one be the structural representation of embodiment.
Detailed description of the invention
In conjunction with drawings and Examples, this utility model is further described, but this utility model is not limited to down
The embodiment stated.
Embodiment 1
In FIG, the structure of the absolute optical encoder of the present embodiment is by shell 1, encoder pedestal 2, a left side
Seal bearing 3, right E type back-up ring 4, left E type back-up ring 5, main shaft 6, right sealing bearing 7, sealing ring 8, light
Sensitive array 9, signal processing circuit board 10, code-disc 11, cable 12, adapter 13 connect and compose.
The end face screw threads for fastening connector of shell 1 is fixedly connected with encoder pedestal 2, shell 1 and encoder
Sealing ring 8 is installed between pedestal 2, main shaft 6, main shaft 6 and encoder pedestal 2 are installed in encoder pedestal 2
Between left sealing bearing 3 and right sealing bearing 7, left sealing bearing 3 and right sealing bearing 7 be installed ensure main shaft
6 are located on the same line with the centrage of encoder pedestal 2, and the left side main shaft 6 of left sealing bearing 3 is arranged
Having left E type back-up ring 5, the right side of the right side main shaft 6 of right sealing bearing 7 is provided with right E type back-up ring 4, left E type
Back-up ring 5 and right E type back-up ring 4, for location and fixed main shaft 6, prevent main shaft 6 from play, the right side of main shaft 6 occurring
End is provided with code-disc 11, and the end face of the lower section encoder pedestal 2 being positioned at code-disc 11 is provided with light-sensitive array 9,
Code-disc 11 extend in the U-lag of light-sensitive array 9, adjusts the code-disc 11 position on main shaft 6 and ensures code-disc
11 is 0.8～1.2mm with the gap of light-sensitive array 9, is positioned at the signal processing circuit board 10 on the right side of light-sensitive array 9
Being fixedly mounted on encoder pedestal 2 with screw threads for fastening connector, the cable 12 of signal processing circuit board 10 passes through
Adapter 13 reaches outside shell 1.
Using this utility model when carrying out angular surveying, main shaft 6 is fixed by shaft coupling with equipment under test, tested sets
Main shaft 6 is driven to rotate during standby rotation, code-disc 11 and main shaft 6 synchronous rotary being arranged on main shaft 6, code-disc 11
On binary coded patterns be acquired by light-sensitive array 9, through place signal processing circuit board 10 carry out data acquisition
Collection, AD conversion, compare, decode, the data such as correction process, then carry out serial data transmission, complete angle
Measure.
Claims (1)
1. the structure of an absolute optical encoder, it is characterised in that: the end face of shell (1) is provided with volume
Code device pedestal (2), is provided with main shaft (6), main shaft (6) and encoder pedestal (2) in encoder pedestal (2)
Between be provided with left sealing bearing (3) and right sealing bearing (7), the left side main shaft (6) of left sealing bearing (3)
On be provided with left E type back-up ring (5), the right side of the right side main shaft (6) of right sealing bearing (7) is provided with right E type
Back-up ring (4), the right-hand member of main shaft (6) is provided with code-disc (11), is positioned at the side encoder pedestal of code-disc (11)
(2) being provided with light-sensitive array (9) on end face, code-disc (11) extend in the U-lag of light-sensitive array (9),
Light-sensitive array (9) right side is provided with signal processing circuit board (10), the cable (12) of signal processing circuit board (10)
Shell (1) is reached outward by adapter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500982.5U CN205642400U (en) | 2016-05-27 | 2016-05-27 | Absolute formula photoelectric encoder's structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500982.5U CN205642400U (en) | 2016-05-27 | 2016-05-27 | Absolute formula photoelectric encoder's structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205642400U true CN205642400U (en) | 2016-10-12 |
Family
ID=57052450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620500982.5U Active CN205642400U (en) | 2016-05-27 | 2016-05-27 | Absolute formula photoelectric encoder's structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205642400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441384A (en) * | 2016-11-09 | 2017-02-22 | 芜湖智美网络科技有限公司 | Automatic coder for daily products |
| CN106771318A (en) * | 2016-11-22 | 2017-05-31 | 中国航空工业集团公司上海航空测控技术研究所 | Rotation-speed measuring device during a kind of high-precision real of hollow structure |
-
2016
- 2016-05-27 CN CN201620500982.5U patent/CN205642400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441384A (en) * | 2016-11-09 | 2017-02-22 | 芜湖智美网络科技有限公司 | Automatic coder for daily products |
| CN106771318A (en) * | 2016-11-22 | 2017-05-31 | 中国航空工业集团公司上海航空测控技术研究所 | Rotation-speed measuring device during a kind of high-precision real of hollow structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |