CN109827598A - A kind of assembling structure of rotary encoder - Google Patents
A kind of assembling structure of rotary encoder Download PDFInfo
- Publication number
- CN109827598A CN109827598A CN201910247848.7A CN201910247848A CN109827598A CN 109827598 A CN109827598 A CN 109827598A CN 201910247848 A CN201910247848 A CN 201910247848A CN 109827598 A CN109827598 A CN 109827598A
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- China
- Prior art keywords
- shaft
- rotary encoder
- rolling bearing
- assembling structure
- shoulder
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Links
- 238000005096 rolling process Methods 0.000 claims abstract description 52
- 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 abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 239000002783 friction material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Abstract
A kind of assembling structure for the rotary encoder that the invention discloses assembling structures is reliable, accuracy of measurement is high, performance is stable, belongs to rotary encoder technical field, specifically includes rotor set and stator pack；The rotor set includes shaft and indexing code-disc, and mounting disc is equipped in the sagittal plane of shaft, and the indexing code-disc is sheathed on the shaft and is set to the upper surface of the mounting disc by adhesive, and the lower end surface of the mounting disc is equipped with the ladder-like shaft shoulder；The stator pack includes pedestal and scanning means, and axis hole is opened up on the pedestal and in axis hole lower edge and is radially equipped with the first convex shoulder, the scanning means is set on the pedestal；The shaft is connected to the pedestal by several rolling bearings being assemblied in the axis hole, and the inner end axial stop of the rolling bearing is in the shaft shoulder, and the outer end axial stop of the rolling bearing is in first convex shoulder；Shaft shoulder convex shoulder combination through the invention can effectively limit the axial float of rolling bearing.
Description
Technical field
The present invention relates to physical field more particularly to rotary encoder, especially a kind of assembling structure of rotary encoder.
Background technique
Rotary encoder is commonly used to measurement revolving speed, and wherein photoelectric rotary coder can be by output shaft by photoelectric conversion
The mechanical quantities such as angular displacement, angular speed be converted into corresponding electric pulse with digital output.
Rotary encoder in the prior art, input shaft are mutually tied by the cooperation of rack and pinion, or with threaded spindle
Conjunction can measure linear movement.Due to being existed in the stator of rotary encoder and rotor assembly with two roller bearings
Body interior, cooperation main shaft are rotated around axle center, but the inside of the fixed rolling bearing of ontology is usually through-hole, is subject to adhesive
Fixed rolling bearing, such encoder is in continuous high temperature or cooperation electric motor in use, rolling bearing and rotor portion can be because
The stress generated when glue failure and use process is subjected to displacement, and is made the accuracy decline of measurement or is lost measuring signal, causes
Encoder can not work, and equipment can not run or be unable to run according to instruction.
Summary of the invention
The rotary encoder that the object of the present invention is to provide a kind of assembling structures is reliable, accuracy of measurement is high, performance is stable
Assembling structure, shaft shoulder convex shoulder combination through the invention can effectively limit the axial float of rolling bearing, be opened by pedestal
If groove and shaft on helicla flute and the shaft shoulder, the first convex shoulder, the great friction coefficient structure on the second convex shoulder can effectively limit
The circumferential transfer of rolling bearing processed works in the environment of vibration or high temperature when failing even if being placed in the adhesive in groove,
Displacement will not be generated, is capable of providing better measurement behavior, it is ensured that the accuracy of measurement.
In order to solve in the prior art the technical issues of rotary encoder assembling structure is unreliable, bad working environments easy misalignment,
The present invention provides a kind of assembling structures of rotary encoder, including rotor set and stator pack；The rotor set include shaft and
Code-disc is indexed, mounting disc is equipped in the sagittal plane of the shaft, the indexing code-disc is sheathed on the shaft and by viscous
Mixture is set to the upper surface of the mounting disc, and the lower end surface of the mounting disc is equipped with the ladder-like shaft shoulder；The stator pack includes
Pedestal and scanning means open up axis hole on the pedestal and in axis hole lower edge and are radially equipped with the first convex shoulder, described to sweep
Imaging apparatus is set on the pedestal；The shaft is connected to the base by several rolling bearings being assemblied in the axis hole
Seat, the inner end axial stop of the rolling bearing is in the shaft shoulder, and the outer end axial stop of the rolling bearing is in described first
Convex shoulder.
Further, the assembling structure of a kind of rotary encoder provided by the invention, in order to promote rolling bearing and shaft
Between connection reliability, wherein shaft and with open up helicla flute on the fitting surface of the rolling bearing, to increase friction system
Number.
Further, the assembling structure of a kind of rotary encoder provided by the invention, it is contemplated that the design of traditional unthreaded hole is disliked
Adhesive easily shifts under bad operating condition, eventually leads to rolling bearing circumferential offset, influences measurement accuracy, thus in the hole of the axis hole
The groove for filling adhesive is opened up on wall, and the connection function between adhesive and axis hole is enhanced with this.
Further, a kind of assembling structure of rotary encoder provided by the invention, wherein adjacent roller bearing shop institute shape
At gap corresponding to axis hole hole wall be equipped with the second convex shoulder, the rolling bearing axial direction backstop borrows in second convex shoulder
This promotes the compactedness of housing washer in the axial direction, reduces end-play.
Further, the assembling structure of a kind of rotary encoder provided by the invention, wherein between adjacent rolling bearing
It is provided with the waveform spring for reducing Bearing inner clearance.
Further, the assembling structure of a kind of rotary encoder provided by the invention, wherein between adjacent rolling bearing
It is provided with inner ring gasket, inner ring gasket connects bearing inner race, and limits bearing outer ring bulk, remains waveform spring
Tension eliminates Bearing inner clearance.
Preferably, the assembling structure of a kind of rotary encoder provided by the invention, wherein the quantity of the rolling bearing is
2。
Further, the assembling structure of a kind of rotary encoder provided by the invention, wherein in the shaft shoulder and described turn
The junction of axis opens up the ring-shaped groove of indent, and the ring-shaped groove is the clear chamfered groove of main shaft technique, can avoid main shaft right angle
There is the angle R when processing, makes bearing and shaft shoulder face can not reliable contacts.
Further, a kind of assembling structure of rotary encoder provided by the invention, wherein first convex shoulder and described
The shaft shoulder and respectively be equipped with great friction coefficient structure on the contact surface of the rolling bearing, to limit rolling bearing Internal and external cycle
Circumferential transfer, promote Measurement reliability.
Further, a kind of assembling structure of rotary encoder provided by the invention, wherein the great friction coefficient structure
For at least one of a groove structure, friction material layer, rubber layer.
Technical solution provided by the invention has following excellent compared with the assembling structure of prior art center rotary encoder
Point: the axis hole at one side prior art center is designed using unthreaded hole, and circumferential offset easily occurs for long-term bad working environments rolling bearing, and
The shaft shoulder is arranged in the inner end of axis hole in the application, and outer end is arranged the first convex shoulder, effectively limits the axial dipole field of roller bearing；It is another
Aspect is equipped with the structure for increasing coefficient of friction in shaft and axis hole, also proposes the circumferential transfer of effective limitation rolling bearing
High measurement accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the assembling structure of rotary encoder of the present invention；
Fig. 2 is the partial schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of second of embodiment of assembling structure of rotary encoder of the present invention.
Wherein: 1, shaft；2, code-disc is indexed；3, mounting disc；4, the shaft shoulder；5, pedestal；6, scanning means；7, axis hole；8,
One convex shoulder；9, rolling bearing；10, inner ring gasket；11, elastomeric pad；12, ring-shaped groove；13, helicla flute；14, groove；15,
Two convex shoulders.
Specific embodiment
It elaborates with reference to the accompanying drawing to technical solution of the present invention；
It is emphasized that: orientation title used "upper", "lower" are with rolling bearing to the direction for indexing code-disc in the present invention
For upward direction, "inner", "outside" are to be oriented to inward direction to indexing code-disc with rolling bearing, and it is intended merely to state
Convenient and work definition, and not as the restriction to technical solution of the present invention protection scope.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment discloses a kind of assembling structure of rotary encoder, including rotor set and stator pack；
The rotor set includes shaft 1 and indexing code-disc 2, and mounting disc 3 is equipped in the sagittal plane of shaft 1, and indexing code-disc 2, which is sheathed on, to be turned
The lower end surface of axis 1 and the upper surface that mounting disc 3 is set to by adhesive, mounting disc 3 is equipped with the ladder-like shaft shoulder 4；Stator pack packet
Pedestal 5 and scanning means 6 are included, axis hole 7 is opened up on pedestal 5 and in 7 lower edge of axis hole and is radially equipped with the first convex shoulder 8, is swept
Imaging apparatus 6 is set on the pedestal 5；Shaft 1 is connected to the pedestal by two rolling bearings 9 being assemblied in axis hole 7
5, the inner end axial stop of rolling bearing 9 is in the shaft shoulder 4, and the outer end axial stop of rolling bearing 9 is in the first convex shoulder 8, in adjacent rolling
Inner ring gasket 10 and elastomeric pad 11 are provided between dynamic bearing 9, inner ring gasket 10 connects bearing inner race, and limits bearing outer ring
Bulk eliminates Bearing inner clearance, opens up the ring-shaped groove 12 of indent in the junction of the shaft shoulder 4 and the shaft 1,
As the clear chamfered groove of main shaft technique, avoids main shaft right angle from having the angle R when processing, make bearing and shaft shoulder face can not reliable contacts；Simultaneously
In order to promote the connection reliability between rolling bearing 9 and shaft 1, and in order to which the connection promoted between rolling bearing 9 and shaft 1 can
By property, wherein shaft 1 and with open up helicla flute 13 on the fitting surface of rolling bearing 9, open up use on the hole wall of the axis hole 7
In the groove 14 of filling adhesive, to increase coefficient of friction；
Further, first convex shoulder 8 and the shaft shoulder 4 and height is equipped with on the contact surface of the rolling bearing 9 respectively
Coefficient of friction structure (not shown) shifts to limit the circumferential of 9 Internal and external cycle of rolling bearing, promotes Measurement reliability,
Described in great friction coefficient structure be at least one of a groove structure, friction material layer, rubber layer (in the present embodiment preferably
Thread groove structure opens up strip groove on 8 surface of the shaft shoulder 4 and the first convex shoulder).
Embodiment 2
It is equipped with as shown in figure 3, being formed by between adjacent rolling bearing 9 on 7 hole wall of axis hole corresponding to gap in the present embodiment
Second convex shoulder 15 to replace above-mentioned elastomeric pad 11, come whereby in second convex shoulder 15 by 9 axial stop of rolling bearing
The compactedness of 9 outer ring of rolling bearing in the axial direction is promoted, end-play is reduced；Waveform spring 16 is equipped between rolling bearing 9 to take
For above-mentioned inner ring gasket 10, the second shoulder 15 limits the bulk between rolling bearing, guarantees that waveform spring 16 remains
Tension eliminates 9 internal clearance of rolling bearing；Other structures are with embodiment 1, and this will not be repeated here.
Last institute it is noted that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although the invention is described in detail with reference to an embodiment, those skilled in the art, which answer, to be understood, can be to this hair
Bright technical solution is modified and equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (11)
1. a kind of assembling structure of rotary encoder, it is characterised in that: including rotor set and stator pack；The rotor set includes turning
Axis (1) and indexing code-disc (2), are equipped with mounting disc (3) in the sagittal plane of the shaft (1), and the indexing code-disc (2) is arranged
It is set in the shaft (1) and by adhesive the upper surface of the mounting disc (3), the lower end surface of the mounting disc (3) is set
There are the ladder-like shaft shoulder (4)；The stator pack includes pedestal (5) and scanning means (6), opens up axis hole (7) simultaneously on the pedestal (5)
In axis hole (7) lower edge and the first convex shoulder (8) radially are equipped with, the scanning means (6) is set on the pedestal (5)；
The shaft (1) is connected to the pedestal (5), the rolling by several rolling bearings (9) being assemblied in the axis hole (7)
For the inner end axial stop of bearing (9) in the shaft shoulder (4), the outer end axial stop of the rolling bearing (9) is convex in described first
Shoulder (8).
2. the assembling structure of rotary encoder according to claim 1, it is characterised in that: shaft (1) and with the rolling
Helicla flute (13) are opened up on the fitting surface of dynamic bearing (9).
3. the assembling structure of rotary encoder according to claim 1, it is characterised in that: the hole wall in the axis hole (7)
On open up groove (14) for filling adhesive.
4. the assembling structure of rotary encoder according to claim 1, it is characterised in that: institute between adjacent rolling bearing (9)
(7) hole wall of axis hole corresponding to the gap of formation is equipped with the second convex shoulder (15), and rolling bearing (9) axial stop is in described
Second convex shoulder (15).
5. the assembling structure of rotary encoder according to claim 4, it is characterised in that: second convex shoulder (15) and with
The contact surface of the rolling bearing (9) is equipped with great friction coefficient structure.
6. the assembling structure of rotary encoder according to claim 1, it is characterised in that: adjacent rolling bearing (9) it
Between be provided with inner ring gasket (10), inner ring gasket (10) connect bearing inner race.
7. the assembling structure of rotary encoder according to claim 5, it is characterised in that: adjacent rolling bearing (9) it
Between be provided with elastomeric pad (11) for reducing Bearing inner clearance.
8. the assembling structure of rotary encoder according to claim 1, it is characterised in that: the number of the rolling bearing (9)
Amount is 2.
9. the assembling structure of rotary encoder according to claim 1, it is characterised in that: in the shaft shoulder (4) and described
The junction of shaft (1) open up indent ring-shaped groove (12) (.
10. the assembling structure of rotary encoder according to claim 1, it is characterised in that: first convex shoulder (8) and institute
It states the shaft shoulder (4) and is equipped with great friction coefficient structure on the contact surface of the rolling bearing (9) respectively.
11. the assembling structure of rotary encoder according to claim 9, it is characterised in that: the great friction coefficient structure
For at least one of a groove structure, friction material layer, rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247848.7A CN109827598A (en) | 2019-03-29 | 2019-03-29 | A kind of assembling structure of rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910247848.7A CN109827598A (en) | 2019-03-29 | 2019-03-29 | A kind of assembling structure of rotary encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109827598A true CN109827598A (en) | 2019-05-31 |
Family
ID=66873715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910247848.7A Withdrawn CN109827598A (en) | 2019-03-29 | 2019-03-29 | A kind of assembling structure of rotary encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827598A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097804A (en) * | 2020-09-17 | 2020-12-18 | 连云港杰瑞电子有限公司 | Eddy current induction type absolute value rotary encoder |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102071A (en) * | 1984-11-14 | 1986-06-10 | 阿尔菲列德·哈因列赫·德恩 | Bearing for bicycle crank |
| DE102008056397A1 (en) * | 2008-11-07 | 2010-05-20 | Ab Skf | Bearing arrangement for storage of solar panel, has bearing inner ring with convex sliding surface and bearing outer ring with concave sliding surface, where both sliding surfaces are in sliding contact with each other |
| DE102009038087A1 (en) * | 2009-08-19 | 2011-02-24 | Schaeffler Technologies Gmbh & Co. Kg | Ball screw drive for e.g. connecting chassis frame to body of motor vehicle, has sensor element reading markings indicating absolute position of threaded nut in coded manner, where markings are distributed at threaded shoulder |
| CN102235885A (en) * | 2010-04-19 | 2011-11-09 | 约翰尼斯海登海恩博士股份有限公司 | Component for an angle measuring device |
| CN103129178A (en) * | 2011-12-05 | 2013-06-05 | 北大方正集团有限公司 | Rotary encoder fixing device and printing equipment using the same |
| 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 |
| CN104931253A (en) * | 2015-05-28 | 2015-09-23 | 南京理工大学 | Ball screw servo loading test device based on hydraulic servo system |
| CN205537691U (en) * | 2016-01-14 | 2016-08-31 | 上海艾研机电控制***有限公司 | A upper bearing assembly structure for through -hole encoder |
| CN209470716U (en) * | 2019-03-29 | 2019-10-08 | 上海康比利仪表有限公司 | The assembling structure of rotary encoder |
-
2019
- 2019-03-29 CN CN201910247848.7A patent/CN109827598A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102071A (en) * | 1984-11-14 | 1986-06-10 | 阿尔菲列德·哈因列赫·德恩 | Bearing for bicycle crank |
| DE102008056397A1 (en) * | 2008-11-07 | 2010-05-20 | Ab Skf | Bearing arrangement for storage of solar panel, has bearing inner ring with convex sliding surface and bearing outer ring with concave sliding surface, where both sliding surfaces are in sliding contact with each other |
| DE102009038087A1 (en) * | 2009-08-19 | 2011-02-24 | Schaeffler Technologies Gmbh & Co. Kg | Ball screw drive for e.g. connecting chassis frame to body of motor vehicle, has sensor element reading markings indicating absolute position of threaded nut in coded manner, where markings are distributed at threaded shoulder |
| CN102235885A (en) * | 2010-04-19 | 2011-11-09 | 约翰尼斯海登海恩博士股份有限公司 | Component for an angle measuring device |
| CN103129178A (en) * | 2011-12-05 | 2013-06-05 | 北大方正集团有限公司 | Rotary encoder fixing device and printing equipment using the same |
| 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 |
| CN104931253A (en) * | 2015-05-28 | 2015-09-23 | 南京理工大学 | Ball screw servo loading test device based on hydraulic servo system |
| CN205537691U (en) * | 2016-01-14 | 2016-08-31 | 上海艾研机电控制***有限公司 | A upper bearing assembly structure for through -hole encoder |
| CN209470716U (en) * | 2019-03-29 | 2019-10-08 | 上海康比利仪表有限公司 | The assembling structure of rotary encoder |
Non-Patent Citations (1)
| Title |
|---|
| 上海机床厂磨床研究所编: "《静压轴承在磨床上的应用 磨床砂轮架主轴结构 第2册》", 上海机床厂磨床研究所, pages: 122 - 123 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097804A (en) * | 2020-09-17 | 2020-12-18 | 连云港杰瑞电子有限公司 | Eddy current induction type absolute value rotary encoder |
| CN112097804B (en) * | 2020-09-17 | 2021-12-10 | 连云港杰瑞电子有限公司 | Eddy current induction type absolute value rotary encoder |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190531 |
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| WW01 | Invention patent application withdrawn after publication |