CN113791480A - Precise swing angle table for optical experiment and assembling method - Google Patents
Precise swing angle table for optical experiment and assembling method Download PDFInfo
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- CN113791480A CN113791480A CN202110809763.0A CN202110809763A CN113791480A CN 113791480 A CN113791480 A CN 113791480A CN 202110809763 A CN202110809763 A CN 202110809763A CN 113791480 A CN113791480 A CN 113791480A
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- bevel gear
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- 230000003287 optical effect Effects 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
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- Mathematical Physics (AREA)
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- Business, Economics & Management (AREA)
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- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
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- Details Of Measuring And Other Instruments (AREA)
Abstract
The invention discloses a precise angle swing table for an optical experiment and an assembly method thereof, and the precise angle swing table comprises a swing table top, a stepping motor, a coupler, a guide support shaft, an input end bevel gear, an output end bevel gear, a right-angle seat, a harmonic reducer assembly, a support flat plate, vertical plates, an arc guide rail and a guide rail base, wherein a portal frame is formed by a pair of vertical plates and the support flat plate together, the guide rail base is bolted on the vertical plates on two sides of the portal frame, the stepping motor is arranged on the right-angle seat through the guide support shaft and drives the input end bevel gear to rotate through the coupler and the input shaft, and the output end bevel gear drives the harmonic reducer assembly to rotate through the bevel gear set, so that the swing table top arranged on the arc guide rail is driven to swing. Through the structural style of step motor drive bevel gear and harmonic speed reducer ware, the spacing and the adjustment process of each subassembly of cooperation have realized the accurate angle displacement of swing mesa, have solved the design drawback of swing angle platform return stroke error under original turbine worm form.
Description
Technical Field
The invention relates to a precise angle adjusting device, in particular to a precise angle swinging table for an optical experiment and an assembling method.
Background
In an optical experiment, a reflector or a lens needs to be adjusted to design an optical path docking system, and the pitch or torsion angle is generally about +/-5 degrees and +/-10 degrees, but the requirements on parameters such as positioning accuracy, return difference and the like of an angle adjusting device are strict. At present, the swing angle table for optical experiments is based on a design scheme of a worm gear, although the swing angle table can meet the use requirement on an angle range, the transmission efficiency and a return clearance of the swing angle table cause poor positioning precision in the use process, and particularly the precision is seriously degraded due to the abrasion of a meshing tooth surface, so that the motion scheme of the swing angle table cannot meet the increasingly precise optical measurement and calibration requirements.
Disclosure of Invention
In order to meet the requirement of precise adjustment of a swing angle in an optical experiment, the invention provides a precise swing angle table for the optical experiment and an assembly method, which can realize precise swing of an installation plane without a return clearance.
In order to achieve the purpose, the invention adopts the following technical scheme:
accurate pivot angle platform, including the swing mesa, step motor, the shaft coupling, the direction back shaft, input bevel gear, output bevel gear, the right angle seat, harmonic reducer ware subassembly, support the flat board, the riser, circular arc guide rail and guide rail base, a pair of riser and support flat board constitute the portal frame jointly, guide rail base bolt is on the riser on portal frame both sides, step motor installs on the right angle seat through the direction back shaft, and rotate through shaft coupling and input shaft drive input bevel gear, output bevel gear drive harmonic reducer ware subassembly rotates behind bevel gear group, thereby the swing mesa of drive installation on circular arc guide rail swings.
The harmonic reducer assembly comprises a wave generator shaft, a flexible bearing, a rigid gear and a flexible gear, wherein the wave generator shaft is also used as an installation shaft of an output end bevel gear, the wave generator shaft is locked through a pin and is installed on a right-angle seat through a copper sleeve, the rigid gear is fixed on the right-angle seat in the process that the output end bevel gear drives the wave generator shaft to rotate, the flexible gear rotates to output, and the rigid gear and the flexible gear are in small tooth difference meshing transmission.
And the output end bevel gear, the harmonic reducer assembly and the swing table surface rotation center are superposed.
The central region equipartition 6M 6 screw hole matrixes of interval 25mm on the swing mesa are used for optical component's installation, and the cooperation of arc groove face and circular arc guide rail, through-hole and harmonic speed reducer ware subassembly carry out the bolt joint.
The vertical plate is provided with 3M 4 threaded through holes on the bottom corners of two side surfaces respectively and is bolted with the guide rail base, M4 threaded holes are evenly distributed on the center line of the top surface at intervals of 25mm and are bolted with the supporting flat plate, and in addition, rectangular grooves are arranged at two ends of the plane contacted with the supporting flat plate and are used for installing adjusting gaskets.
The supporting flat plate is provided with a right-angle seat at a transverse limiting flange and a longitudinal limiting flange, and the height of the two limiting flanges in the two directions is 2 mm.
The guide rail base is provided with an arc-shaped groove for installing an arc guide rail, the depth of the groove opening is 3mm, and the side surface of the groove opening is provided with a countersunk hole bolted with the upright post.
The stepping motor is provided with a manual nut, and the swinging table top can be driven to move by rotating the manual nut in a power-off state.
The installation of the swing angle table is most important to ensure that the axis of the harmonic reducer assembly is coincident with the axis of the swing table surface, so that the adjustment needs to be carried out in 3 steps:
s1: assembling a support flat plate and vertical plates, and ensuring the flatness of the support flat plate through adjusting gaskets between the contact surfaces of the two pairs of vertical plates and the support flat plate;
s2: adjusting the thickness of a mounting gasket at the longitudinal limiting flange of the supporting flat plate to ensure the position relation between the axis of the output end of the harmonic reducer assembly and the axis of the swing table in the front-back direction;
s3: and adjusting the thickness of the gasket on the installation surface of the right-angle seat and the support flat plate to ensure the position relation between the axis of the output end of the harmonic reducer assembly and the axis of the swing table top in the height direction.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: according to the precise swing angle table for the optical experiment and the assembling method, the precise angular displacement of the swing table top is realized by the structural form of driving the bevel gear and the harmonic reducer by the stepping motor and matching with the limiting and adjusting processes of all components, and the design defect of the return stroke error of the swing angle table in the original worm and gear form is overcome.
Drawings
FIG. 1 shows a structure of a precision swing angle table
FIG. 2. output bevel gear and harmonic reducer assembly cross-sectional view
FIG. 3 is a structural view of a swing table
FIG. 4 is a structural view of a vertical plate
FIG. 5 is a view showing the structure of a support plate
FIG. 6 shows a structure of a guide rail base
The labels in the figures are: the device comprises a swing table board 1, a stepping motor 2, a right-angle seat 3, a guide rail base 4, an input end bevel gear 5, an output end bevel gear 6, a harmonic reducer assembly 7, a support flat plate 8, a vertical plate 9, a guide support shaft 10, a manual nut 11, a coupler 12 and a circular arc guide rail 13.
Detailed Description
Referring to the drawing 1 in the precision swing angle table structure diagram, including 1 swing mesa, 2 step motor, 12 shaft couplings, 10 direction back shaft, 5 input bevel gears, 6 output bevel gears, 3 right angle seat, 7 harmonic speed reducer subassembly, 8 support the flat board, 9 vertical plates, 13 circular arc guide rails and, 4 guide rail bases, a pair of 9 vertical plates and 8 support the flat board and constitute the portal frame jointly, 4 guide rail bases are bolted on the vertical plate on portal frame both sides, 1 step motor installs on 3 right angle seats through 10 direction back shaft, and drive 5 input bevel gears through 12 shaft couplings and input shaft and rotate, 6 output bevel gears behind the bevel gear set drive 7 harmonic speed reducer subassemblies and rotate, thereby drive the 1 swing mesa of installing on 13 circular arc guide rails and swing.
As shown in fig. 2, the 7-harmonic reducer assembly includes a 7.1-output-end wave generator shaft, a 7.4-flexible bearing, a 7.2-rigid gear and a 7.3-flexible gear, the 7.1-output-end wave generator shaft is also an installation shaft of a 6-output-end bevel gear, is locked by a pin and is installed on a 3-right-angle seat through a copper bush, in the process that the 6-output-end bevel gear drives the 7.1-output-end wave generator shaft to rotate, the 7.2-rigid gear is fixed on the 3-right-angle seat, the 7.3-flexible gear rotates to output, and the 7.2-rigid gear and the 7.1-flexible gear perform small-tooth-difference meshing transmission.
The 6 output end bevel gear, the 7 harmonic reducer assembly and the 1 swing table surface rotation center are overlapped.
As shown in fig. 3, 6M 6 threaded hole matrixes with a distance of 25mm are uniformly distributed in the central area of the swing table top 1, the threaded hole matrixes 1.2 are used for mounting optical components, the arc groove surfaces 1.1 are matched with the arc guide rails 13, and the through holes 1.3 are bolted with the harmonic reducer components 7.
As shown in FIG. 4, the 9 vertical plate is provided with 3M 4 screw through holes on two side bottom corners respectively, the screw through holes are bolted with a 4-rail base, M4 screw holes are evenly distributed on the top center line at an interval of 25mm, the screw through holes are bolted with an 8-support flat plate, and in addition, rectangular grooves are arranged at two ends of a plane contacted with the 8-support flat plate and used for installing adjusting gaskets.
As shown in fig. 5, the 8-support flat plate is provided with 3 right-angle seats on 8.3 transverse limit flanges and 8.2 longitudinal limit flanges, and the height of the two limit flanges in the two directions is 2 mm.
As shown in fig. 6, the 4-rail base is provided with a 4.2 arc-shaped groove for mounting a 13 arc-shaped rail, the depth of the groove opening is 3mm, and the side surface is provided with a 4.1 countersunk hole bolted with the 9 upright posts.
And 2, the stepping motor is provided with 11 manual nuts, and the swinging table top 1 can be driven to move by rotating the 11 manual nuts in a power-off state.
The installation of the swing angle table is most important to ensure that the axis of the 7-harmonic reducer assembly is coincident with the axis of the swing table top 1, so that the installation and adjustment are carried out in 3 steps:
s1: assembling an 8-support flat plate and 9 vertical plates, and ensuring the flatness of the support flat plate through adjusting gaskets between the contact surfaces of the two pairs of 9 vertical plates and the 8-support flat plate;
s2: adjusting 8 the thickness of a mounting gasket at the longitudinal limiting flange of a support flat plate 8.2, and ensuring the position relation between the axis of the output end of the harmonic reducer assembly 7 and the axis of the swing table top 1 in the front-back direction;
s3: and adjusting the thickness of the spacers on the mounting surfaces of the 3 right-angle seat and the 8 supporting flat plate to ensure the position relation between the axis of the output end of the 7 harmonic reducer assembly and the axis of the 1 swinging table top in the height direction.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: according to the precise swing angle table for the optical experiment and the assembling method, the precise angular displacement of the swing table top is realized by the structural form of driving the bevel gear and the harmonic reducer by the stepping motor and matching with the limiting and adjusting processes of all components, and the design defect of the return stroke error of the swing angle table in the original worm and gear form is overcome.
Claims (9)
1. The utility model provides a precision pivot angle platform for optical experiment which characterized in that: including the swing mesa, step motor, the shaft coupling, direction back shaft, input bevel gear, output bevel gear, the right angle seat, harmonic reducer ware subassembly, support the flat board, the riser, circular arc guide rail and guide rail base, a pair of riser constitutes the portal frame with the support flat board jointly, guide rail base bolt is on the riser on portal frame both sides, step motor installs on the right angle seat through the direction back shaft, and rotate through shaft coupling and input shaft drive input bevel gear, output bevel gear drive harmonic reducer ware subassembly rotates behind bevel gear group, thereby the swing mesa of drive installation on circular arc guide rail swings.
2. The precision tilt table for optical experiments as claimed in claim 1, wherein: the harmonic reducer assembly comprises a wave generator shaft, a flexible bearing, a rigid gear and a flexible gear, wherein the wave generator shaft is also used as an installation shaft of an output end bevel gear, the wave generator shaft is locked through a pin and is installed on a right-angle seat through a copper sleeve, the rigid gear is fixed on the right-angle seat in the process that the output end bevel gear drives the wave generator shaft to rotate, the flexible gear rotates to output, and the rigid gear and the flexible gear are in small tooth difference meshing transmission.
3. The precision tilt table for optical experiments as claimed in claim 1, wherein: and the output end bevel gear, the harmonic reducer assembly and the swing table surface rotation center are superposed.
4. The precision tilt table for optical experiments as claimed in claim 1, wherein: the central region equipartition 6M 6 screw hole matrixes of interval 25mm on the swing mesa are used for optical component's installation, and the cooperation of arc groove face and circular arc guide rail, through-hole and harmonic speed reducer ware subassembly carry out the bolt joint.
5. The precision tilt table for optical experiments as claimed in claim 1, wherein: the vertical plate is provided with 3M 4 threaded through holes on the bottom corners of two side surfaces respectively and is bolted with the guide rail base, M4 threaded holes are evenly distributed on the center line of the top surface at intervals of 25mm and are bolted with the supporting flat plate, and in addition, rectangular grooves are arranged at two ends of the plane contacted with the supporting flat plate and are used for installing adjusting gaskets.
6. The precision tilt table for optical experiments as claimed in claim 1, wherein: the supporting flat plate is provided with a right-angle seat at a transverse limiting flange and a longitudinal limiting flange, and the height of the two limiting flanges in the two directions is 2 mm.
7. The precision tilt table for optical experiments as claimed in claim 1, wherein: the guide rail base is provided with an arc-shaped groove for installing an arc guide rail, the depth of the groove opening is 3mm, and the side surface of the groove opening is provided with a countersunk hole bolted with the upright post.
8. The precision tilt table for optical experiments as claimed in claim 1, wherein: the stepping motor is provided with a manual nut, and the swinging table top can be driven to move by rotating the manual nut in a power-off state.
9. The precision tilt table for optical experiments as claimed in claim 1, wherein: the installation of the swing angle table is most important to ensure that the axis of the harmonic reducer assembly is coincident with the axis of the swing table surface, so the installation and adjustment are carried out in three steps:
s1: assembling a support flat plate and vertical plates, and ensuring the flatness of the support flat plate through adjusting gaskets between the contact surfaces of the two pairs of vertical plates and the support flat plate;
s2: adjusting the thickness of a mounting gasket at the longitudinal limiting flange of the supporting flat plate to ensure the position relation between the axis of the output end of the harmonic reducer assembly and the axis of the swing table in the front-back direction;
s3: and adjusting the thickness of the gasket on the installation surface of the right-angle seat and the support flat plate to ensure the position relation between the axis of the output end of the harmonic reducer assembly and the axis of the swing table top in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110809763.0A CN113791480B (en) | 2021-07-17 | 2021-07-17 | Precise swing angle table for optical experiment and assembly method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110809763.0A CN113791480B (en) | 2021-07-17 | 2021-07-17 | Precise swing angle table for optical experiment and assembly method |
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| Publication Number | Publication Date |
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| CN113791480A true CN113791480A (en) | 2021-12-14 |
| CN113791480B CN113791480B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110809763.0A Active CN113791480B (en) | 2021-07-17 | 2021-07-17 | Precise swing angle table for optical experiment and assembly method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055664A (en) * | 1998-08-05 | 2000-02-25 | Seiji Aoyanagi | Articulated robot system with function of measuring attitude, method and system for certifying measuring precision of gyro by use of turntable for calibration reference, and device and method for calibrating turntable formed of n-axes |
| CN104669261A (en) * | 2015-02-11 | 2015-06-03 | 北京航空航天大学 | Synchronous displacement adjustment type variable-stiffness joint driver and adjustment method for robot joint stiffness |
| CN104942775A (en) * | 2015-06-01 | 2015-09-30 | 东南大学 | Servo-type multi-station rotary table and precision property testing device thereof |
| CN106564617A (en) * | 2016-10-27 | 2017-04-19 | 北京实验工厂 | FLAP control plane loading device and function testing method |
| CN107907959A (en) * | 2017-11-24 | 2018-04-13 | 哈工大机器人集团（哈尔滨）华粹智能装备有限公司 | It is a kind of to be used for pH effect and the ultraprecise six degree of freedom five-axis adjustment device of detection |
| CN207508291U (en) * | 2017-11-02 | 2018-06-19 | 东莞市马扎克数控科技有限公司 | Novel five-axis machining center |
| CN108519230A (en) * | 2018-03-20 | 2018-09-11 | 浙江来福谐波传动股份有限公司 | A kind of rotating accuracy detecting device of harmonic speed reducer |
| CN110319789A (en) * | 2019-07-15 | 2019-10-11 | 北京工业大学 | A kind of detection device and method of harmonic reducer flexible wheel tooth profile error and warping function |
| US20210348679A1 (en) * | 2018-12-11 | 2021-11-11 | Zilong Ling | Double-flexspline harmonic reducer with limitable deformation |
-
2021
- 2021-07-17 CN CN202110809763.0A patent/CN113791480B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055664A (en) * | 1998-08-05 | 2000-02-25 | Seiji Aoyanagi | Articulated robot system with function of measuring attitude, method and system for certifying measuring precision of gyro by use of turntable for calibration reference, and device and method for calibrating turntable formed of n-axes |
| CN104669261A (en) * | 2015-02-11 | 2015-06-03 | 北京航空航天大学 | Synchronous displacement adjustment type variable-stiffness joint driver and adjustment method for robot joint stiffness |
| CN104942775A (en) * | 2015-06-01 | 2015-09-30 | 东南大学 | Servo-type multi-station rotary table and precision property testing device thereof |
| CN106564617A (en) * | 2016-10-27 | 2017-04-19 | 北京实验工厂 | FLAP control plane loading device and function testing method |
| CN207508291U (en) * | 2017-11-02 | 2018-06-19 | 东莞市马扎克数控科技有限公司 | Novel five-axis machining center |
| CN107907959A (en) * | 2017-11-24 | 2018-04-13 | 哈工大机器人集团（哈尔滨）华粹智能装备有限公司 | It is a kind of to be used for pH effect and the ultraprecise six degree of freedom five-axis adjustment device of detection |
| CN108519230A (en) * | 2018-03-20 | 2018-09-11 | 浙江来福谐波传动股份有限公司 | A kind of rotating accuracy detecting device of harmonic speed reducer |
| US20210348679A1 (en) * | 2018-12-11 | 2021-11-11 | Zilong Ling | Double-flexspline harmonic reducer with limitable deformation |
| CN110319789A (en) * | 2019-07-15 | 2019-10-11 | 北京工业大学 | A kind of detection device and method of harmonic reducer flexible wheel tooth profile error and warping function |
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| CN113791480B (en) | 2024-07-09 |
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