CN209310825U - Single-bearing photoelectric encoder - Google Patents
Single-bearing photoelectric encoder Download PDFInfo
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- CN209310825U CN209310825U CN201822179524.8U CN201822179524U CN209310825U CN 209310825 U CN209310825 U CN 209310825U CN 201822179524 U CN201822179524 U CN 201822179524U CN 209310825 U CN209310825 U CN 209310825U
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- bearing
- main shaft
- photoelectric encoder
- pedestal
- inner ring
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Abstract
The utility model relates to a single bearing photoelectric encoder, which comprises a circuit board, the main shaft, the grating, base and bearing, the surface of base is opened there is the bearing room, the indoor rigid coupling of bearing has the bearing, the bearing includes the outer lane that bonds with the bearing room inner wall and rotates the inner circle of being connected with the outer lane, the inside bonding of inner circle has the main shaft, the bearing below is equipped with the supporting component who is used for preventing the main shaft from following the axial float, in the during operation runs through the motor shaft and inserts the main shaft, and it is fixed with it through locking device, this encoder main part is the high temperature plastics material, and save a bearing, the motor takes place the axial float in the measurement process under effectively avoiding the single bearing condition through setting up of supporting component, compare traditional encoder small, highly descend about 10mm, more be fit for the demand that servo equipment is miniaturized, product cost.
Description
Technical field
The utility model 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.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, is provided a kind of small in size
Ingeniously, the single bearing photoelectric encoder of cost is saved.
The utility model 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 utility model 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 the utility model support component be interconnecting piece and support portion when schematic view of the front view.
Fig. 2 be the utility model support component 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 the technical solution of the utility model, with reference to the accompanying drawing
The utility model is described in further detail with most preferred embodiment.
As shown, the utility model 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 solid
The grating 5 connect, the pedestal 6 and the bearing below pedestal 6,2 surrounding of circuit board and pedestal that are rotatablely connected with main shaft 1
6 is affixed, and for 6 upper surface surrounding of pedestal integrally formed with connection ring 3,3 upper surface of connection ring and 2 lower surface of circuit board are solid in this example
It connects, 6 upper surface of pedestal is equipped with luminous tube 4, and 6 lower surface of pedestal is provided with bearing chamber, is connected with axis in the bearing chamber
It holds, the bearing includes the outer ring 8 Nian Jie with bearing chamber interior walls and the inner ring 7 that is rotatablely connected with outer ring 8, in the inner ring 7
Portion is bonded with main shaft 1, and described 1 one end of main shaft is equipped with locking device, is equipped with below the bearing for preventing main shaft 1 from altering along axial direction
Dynamic support component.When work by motor shaft in insertion main shaft 1, and it is fixed by locking device, encoder master
Body is high temperature plastics material, and saves a bearing, effectively avoids motor in the case of single-bearing from existing by the setting of support component
Axial float occurs in measurement process, small in size compared to conventional codec, height declines about 10mm, and it is small-sized to be more suitable for servosystem
The demand of change, 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 the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
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 |
|---|---|---|---|
| CN201822179524.8U CN209310825U (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179524.8U CN209310825U (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310825U true CN209310825U (en) | 2019-08-27 |
Family
ID=67678666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822179524.8U Active CN209310825U (en) | 2018-12-25 | 2018-12-25 | Single-bearing photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310825U (en) |
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2018
- 2018-12-25 CN CN201822179524.8U patent/CN209310825U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200729 Address after: No.99, zhuangchi Middle Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee 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 Patentee before: BEIHEMAN INDUSTRIAL TECHNOLOGY (TIANJIN) Co.,Ltd. |