CN110441880A - A kind of radial positioning mechanism of center of optical element - Google Patents

A kind of radial positioning mechanism of center of optical element Download PDF

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Publication number
CN110441880A
CN110441880A CN201910728770.0A CN201910728770A CN110441880A CN 110441880 A CN110441880 A CN 110441880A CN 201910728770 A CN201910728770 A CN 201910728770A CN 110441880 A CN110441880 A CN 110441880A
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CN
China
Prior art keywords
plate
optical element
shell
center
threaded rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910728770.0A
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Chinese (zh)
Inventor
沈永才
徐菲
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Anqing Normal University
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Anqing Normal University
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Filing date
Publication date
Application filed by Anqing Normal University filed Critical Anqing Normal University
Priority to CN201910728770.0A priority Critical patent/CN110441880A/en
Publication of CN110441880A publication Critical patent/CN110441880A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00Friction-grip releasable fastenings
    • F16B2/02Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

The invention discloses a kind of radial positioning mechanism of center of optical element, belong to center of optical element radial positioning technical field, it is proposed that following scheme comprising: shell, the shell structure in the form of annular discs;Supporting mechanism, the supporting mechanism include outer ring plate, inner ring plate and middle ring flat-plate, and the outer ring plate secure fit is on the outer wall of shell, and the middle ring flat-plate secure fit is at the middle part of shell, and the inner ring plate secure fit is in the inside of shell;Rotation seat is installed, the upper end of the thread bush is rotatably installed on rotation seat, and the thread bush worm drive cooperation is on threaded rod, and the locating wheel rotational installation is in the lower end of threaded rod on described and middle ring flat-plate.Worm gear of the present invention drives multiple driven worm screw rotations, to realize the synchronous elongation of multiple positioning components or shorten, and then realizes to the clamping position of optical element there is synchronization, and do not need manual operation, high degree of automation is suitble to promote the use of.

Description

A kind of radial positioning mechanism of center of optical element
Technical field
The present invention relates to center of optical element radial positioning technical field more particularly to a kind of center of optical element are radially fixed Position mechanism.
Background technique
Currently, massive optics such as large aperture telescope, primary mirror radial positioning mode is mainly in optical element Excircle is evenly distributed with three or more points, and radial support structure is by the way of not only positioning but also supporting.This radial positioning mode Major defect is as follows: the first, optical element higher for status requirement is difficult to protect since radial support is mostly floating structure The Stability and veracity of optical element optical axis position is demonstrate,proved, therefore is only applicable to active support system;The second, radial support structure Guarantee not only to position but also support, its structure is complicated, is unfavorable for adjustment;Third, the radial support mode more than 3 points are easy to produce Cross positioning.
Through retrieving, number of patent application is that CN201010588996.4 discloses a kind of center of optical element radial positioning machine Structure: including central axis, axle sleeve, distensible ring, pre-loading screw, releasing screw;The distensible ring by the adjusting ring that is connected as one and Flexible ring is constituted;Central axis is fixed on pedestal, is cooperated between top and flexible ring inner surface by circular conical surface;It is flexible The outer surface of ring is cambered surface, which forms loop line with the inner surface of axle sleeve and contact;Central axis, flexible ring and axle sleeve are embedded in light In the centre bore for learning element, and the outer surface of axle sleeve and optical element are glued;Ring is adjusted to connect with central axis by pre-loading screw, Adjustable adjusting the distance between the ring and central axis of pre-loading screw is rotated, flexible ring and central axis are interference fitted;Releasing screw It is threadedly coupled with ring is adjusted, on the top to central axis of front end, flexible ring and central axis clearance fit can be made by adjusting releasing screw.By Be cone match between flexible ring and central axis, adjust pre-loading screw and releasing screw can be easily carried out preload and Loosen, it is easy to adjust, simple.Since the outer surface of flexible ring is flexible cambered-surface, flexible ring contacts positioning with axle sleeve line when swelling, Limitation optical element can only move radially, and allow to tilt, and avoid face contact generation crosses positioning phenomenon.The light of the invention Learning element radial positioning mechanism can match with radial support structure, reduce and support institute since floating support not only positions Bring position inaccurate and unstable phenomenon.The invention can be used for such as heavy caliber of the massive optics with centre bore and hope Radial positioning in remote mirror primary mirror support structure.
But disclosed application documents are not only cumbersome, but also cannot adjust positioning mechanism simultaneously, exist adjust it is different The case where cause, is easy to happen offset, for this purpose, the present invention proposes a kind of radial positioning mechanism of center of optical element.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of center of optical element diameter proposed To positioning mechanism.
To achieve the goals above, present invention employs following technical solutions:
A kind of radial positioning mechanism of center of optical element, comprising:
Shell, the shell structure in the form of annular discs;
Supporting mechanism, the supporting mechanism include outer ring plate, inner ring plate and middle ring flat-plate, and the outer ring plate secure fit is in shell On outer wall, the middle ring flat-plate secure fit is at the middle part of shell, and the inner ring plate secure fit is in the inside of shell;
Positioning component, the positioning component is provided with multiple groups, and positioning component is radially arranged on the inside of shell, wherein Positioning component includes threaded rod, thread bush, driven worm screw and locating wheel, and the threaded rod is slidably fitted in inner ring plate and middle ring flat-plate On, rotation seat is installed, the upper end of the thread bush is rotatably installed on rotation seat, the thread bush spiral shell on described and middle ring flat-plate Rotation transmission cooperation is on threaded rod, and the locating wheel rotational installation is in the lower end of threaded rod;
Worm gear, the worm gear and driven worm screw are intermeshed, and the worm gear slide is arranged between middle ring flat-plate and inner ring plate Shell on;And
Driving motor, the driving motor are arranged on middle ring flat-plate, and the output end of the driving motor is matched by shaft coupling fixation Conjunction has active worm screw, the active worm and wheel engagement connection.
Preferably, the shell includes two annular slabs, and two annular slabs are disposed in parallel relation to one another.
Preferably, the outer ring plate, inner ring plate and the setting of middle ring flat-plate concentric, and outer ring plate, inner ring plate and middle ring flat-plate are It is arranged in parallel.
Preferably, the outer ring plate, inner ring plate and middle ring flat-plate and annular slab are arranged in a mutually vertical manner.
Preferably, guide plate is fixed on the threaded rod between outer ring plate and middle ring flat-plate, guide plate slides cooperation exists On guide rod.
Preferably, the guide rod is fixedly tied between outer ring plate and middle ring flat-plate, and guide rod and threaded rod are mutually flat Row setting.
Preferably, circular through hole on the side wall of the inner ring plate and middle ring flat-plate, the threaded rod clearance fit are logical in circle Kong Zhong.
Preferably, the lower end of the rotation seat is provided with bearing groove, and bearing, the thread bush are equipped in the bearing groove Upper end secure fit in the inner ring of bearing.
Preferably, it is provided with annular groove on the annular slab between inner ring plate and middle ring flat-plate, the worm gear slide is set It sets in annular groove.
Preferably, multiple locating wheels all extend to the inside of shell, and multiple locating wheels are for positioning optical element.
Compared with prior art, the beneficial effects of the present invention are:
It include threaded rod, thread bush, driven worm screw and locating wheel by positioning component, threaded rod is slidably fitted in inner ring plate in Rotation seat is installed, the upper end of thread bush is rotatably installed on rotation seat, and thread bush worm drive are matched on ring flat-plate and on middle ring flat-plate Close on threaded rod, locating wheel rotational installation is in the lower end of threaded rod, when thread bush rotates, can drive threaded rod extend or Shorten;
By worm gear, worm gear and driven worm screw are intermeshed, and worm gear slide is arranged in the shell between middle ring flat-plate and inner ring plate On body;And driving motor, driving motor are arranged on middle ring flat-plate, the output end of driving motor has master by shaft coupling secure fit Dynamic worm screw, the engagement connection of active worm and wheel when driving motor is run, drive the rotation of active worm screw, and active worm screw drives snail Wheel rotation, worm gear drive multiple driven worm screw rotations, to realize the synchronous elongation of multiple positioning components or shorten, Jin Ershi Now to the clamping position of optical element, have the effect of synchronization, and do not need manual operation, high degree of automation is suitble to push away It is wide to use.
Detailed description of the invention
Fig. 1 is a kind of main view of radial positioning mechanism of center of optical element proposed by the present invention.
Fig. 2 is the main view that an annular slab is removed in Fig. 1.
Fig. 3 is the partial enlarged view of part A in Fig. 2.
Fig. 4 is the partial enlarged view of part B in Fig. 2.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of radial positioning mechanism of center of optical element, comprising:
Shell, the shell structure in the form of annular discs;
Supporting mechanism, the supporting mechanism include outer ring plate 2, inner ring plate 4 and middle ring flat-plate 3, and 2 secure fit of outer ring plate is in shell On outer wall, middle 3 secure fit of ring flat-plate is at the middle part of shell, and 4 secure fit of inner ring plate is in the inside of shell;
Positioning component 6, positioning component 6 is provided with multiple groups, and positioning component 6 is radially arranged on the inside of shell, wherein fixed Hyte part 6 includes threaded rod 601, thread bush 606, driven worm screw 605 and locating wheel 607, and threaded rod 601 is slidably fitted in inner ring Rotation seat 604 is installed, the upper end of thread bush 606 is rotatably installed in rotation seat 604 on plate 4 and middle ring flat-plate 3 and on middle ring flat-plate 3 On, 606 worm drive of thread bush cooperate on threaded rod 601, and locating wheel 607 is rotatablely installed in the lower end of threaded rod 601;Pass through Positioning component 6 includes threaded rod 601, thread bush 606, driven worm screw 605 and locating wheel 607, including threaded rod 601 is slidably matched Rotation seat 604 is installed, the upper end of thread bush 606 is rotatably installed in rotation seat on ring flat-plate 4 and middle ring flat-plate 3 and on middle ring flat-plate 3 On 604,606 worm drive of thread bush cooperate on threaded rod 601, and locating wheel 607 is rotatablely installed in the lower end of threaded rod 601, When thread bush 606 rotates, threaded rod 601 can be driven to extend or shorten;
Worm gear 5, worm gear 5 and driven worm screw 605 are intermeshed, and worm gear 5 is slidably arranged between middle ring flat-plate 3 and inner ring plate 4 Shell on;And
Driving motor 7, driving motor 7 are arranged on middle ring flat-plate 3, and the output end of driving motor 7 has by shaft coupling secure fit Active worm screw 8, active worm screw 8 engage connection with worm gear 5;By worm gear 5, worm gear 5 and driven worm screw 605 are intermeshed, worm gear 5 It is slidably arranged on the shell between middle ring flat-plate 3 and inner ring plate 4;And driving motor 7, driving motor 7 are arranged in middle ring flat-plate 3 On, the output end of driving motor 7 has active worm screw 8 by shaft coupling secure fit, and active worm screw 8 engages connection with worm gear 5, drives When dynamic motor 7 is run, active worm screw 8 is driven to rotate, active worm screw 8 drives worm gear 5 to rotate, and worm gear 5 drives multiple driven worm screws 605 rotations to realize the synchronous elongation of multiple positioning components or shorten, and then realize the clamping position to optical element, Have the effect of synchronous, and does not need manual operation, high degree of automation is suitble to promote the use of.
In present embodiment, shell includes two annular slabs 1, and two annular slabs 1 are disposed in parallel relation to one another.
In present embodiment, outer ring plate 2, inner ring plate 4 and 3 concentric of middle ring flat-plate setting, and outer ring plate 2, inner ring plate 4 and in Ring flat-plate 3 is arranged in parallel.
In present embodiment, outer ring plate 2, inner ring plate 4 and middle ring flat-plate 3 are arranged in a mutually vertical manner with annular slab 1.
In present embodiment, it is fixed with guide plate 602 on the threaded rod 601 between outer ring plate 2 and middle ring flat-plate 3, is led It is slidably fitted on guide rod 603 to plate 602.
In present embodiment, guide rod 603 is fixedly tied between outer ring plate 2 and middle ring flat-plate 3, and guide rod 603 and spiral shell Rasp bar 601 is arranged in parallel.
In present embodiment, circular through hole on the side wall of inner ring plate 4 and middle ring flat-plate 3,601 clearance fit of threaded rod is in circle In through-hole.
In present embodiment, the lower end of rotation seat 604 is provided with bearing groove, and bearing, thread bush 606 are equipped in bearing groove Upper end secure fit in the inner ring of bearing.
In present embodiment, annular groove, worm gear 5 are provided on the annular slab 1 between inner ring plate 4 and middle ring flat-plate 3 It is slidably arranged in annular groove.
In present embodiment, multiple locating wheels 607 all extend to the inside of shell, and multiple locating wheels 607 are for positioning light Learn element.
In the use of the present invention, including threaded rod 601, thread bush 606, driven worm screw 605 and positioning by positioning component 6 Wheel 607, threaded rod 601 is slidably fitted on inner ring plate 4 and middle ring flat-plate 3 and is equipped with rotation seat 604, thread bush on middle ring flat-plate 3 606 upper end is rotatably installed on rotation seat 604, and 606 worm drive of thread bush cooperate on threaded rod 601, and 607 turns of locating wheel The dynamic lower end for being installed on threaded rod 601 when thread bush 606 rotates, can drive threaded rod 601 to extend or shorten;
By worm gear 5, worm gear 5 and driven worm screw 605 are intermeshed, and worm gear 5 is slidably arranged in positioned at middle ring flat-plate 3 and inner ring plate 4 Between shell on;And driving motor 7, driving motor 7 are arranged on middle ring flat-plate 3, the output end of driving motor 7 passes through shaft coupling Secure fit has active worm screw 8, and active worm screw 8 engages connection with worm gear 5, when driving motor 7 is run, drives 8 turns of active worm screw Dynamic, active worm screw 8 drives worm gear 5 to rotate, and worm gear 5 drives multiple driven worm screws 605 to rotate, to realize multiple positioning components Synchronous elongation is shortened, and then realizes to the clamping position of optical element, has the effect of synchronization, and do not need manually to grasp Make, high degree of automation, is suitble to promote the use of.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of radial positioning mechanism of center of optical element characterized by comprising
Shell, the shell structure in the form of annular discs;
Supporting mechanism, the supporting mechanism include outer ring plate (2), inner ring plate (4) and middle ring flat-plate (3), and the outer ring plate (2) is fixed On the outer wall of shell, middle ring flat-plate (3) secure fit exists in the middle part of shell, inner ring plate (4) secure fit for cooperation The inside of shell;
Positioning component (6), the positioning component (6) is provided with multiple groups, and positioning component (6) is radially arranged on the interior of shell Portion, wherein positioning component (6) includes threaded rod (601), thread bush (606), driven worm screw (605) and locating wheel (607), institute It states threaded rod (601) to be slidably fitted on inner ring plate (4) and middle ring flat-plate (3), rotation seat is installed on described and middle ring flat-plate (3) (604), the upper end of the thread bush (606) is rotatably installed on rotation seat (604), and thread bush (606) worm drive are matched It closes on threaded rod (601), locating wheel (607) rotational installation is in the lower end of threaded rod (601);
Worm gear (5), the worm gear (5) and driven worm screw (605) are intermeshed, and the worm gear (5) is slidably arranged in positioned at middle ring On shell between plate (3) and inner ring plate (4);And
Driving motor (7), the driving motor (7) are arranged on middle ring flat-plate (3), and the output end of the driving motor (7) passes through Shaft coupling secure fit has active worm screw (8), and the active worm screw (8) engages connection with worm gear (5).
2. a kind of radial positioning mechanism of center of optical element according to claim 1, which is characterized in that the shell includes Two annular slabs (1), two annular slabs (1) are disposed in parallel relation to one another.
3. a kind of radial positioning mechanism of center of optical element according to claim 1 or 2, which is characterized in that the outer ring Plate (2), inner ring plate (4) and the setting of middle ring flat-plate (3) concentric, and outer ring plate (2), inner ring plate (4) and middle ring flat-plate (3) they are mutually flat Row setting.
4. a kind of radial positioning mechanism of center of optical element according to claim 3, which is characterized in that the outer ring plate (2), inner ring plate (4) and middle ring flat-plate (3) are arranged in a mutually vertical manner with annular slab (1).
5. a kind of radial positioning mechanism of center of optical element according to claim 4, which is characterized in that be located at outer ring plate (2) it is fixed with guide plate (602) on the threaded rod (601) between middle ring flat-plate (3), guide plate (602) is slidably fitted in guiding On bar (603).
6. a kind of radial positioning mechanism of center of optical element according to claim 5, which is characterized in that the guide rod (603) it is fixedly tied between outer ring plate (2) and middle ring flat-plate (3), and guide rod (603) is parallel to each other with threaded rod (601) and sets It sets.
7. a kind of radial positioning mechanism of center of optical element according to claim 6, which is characterized in that the inner ring plate (4) circular through hole and on the side wall of middle ring flat-plate (3), threaded rod (601) clearance fit is in circular through hole.
8. a kind of radial positioning mechanism of center of optical element according to claim 7, which is characterized in that the rotation seat (604) lower end is provided with bearing groove, and bearing, the upper end secure fit of the thread bush (606) are equipped in the bearing groove In the inner ring of bearing.
9. a kind of radial positioning mechanism of center of optical element according to claim 8, which is characterized in that be located at inner ring plate (4) annular groove is provided on the annular slab (1) between middle ring flat-plate (3), the worm gear (5) is slidably arranged in annular groove In.
10. a kind of radial positioning mechanism of center of optical element according to claim 9, which is characterized in that multiple locating wheels (607) inside of shell is all extended to, multiple locating wheels (607) are for positioning optical element.
CN201910728770.0A 2019-08-08 2019-08-08 A kind of radial positioning mechanism of center of optical element Pending CN110441880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910728770.0A CN110441880A (en) 2019-08-08 2019-08-08 A kind of radial positioning mechanism of center of optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910728770.0A CN110441880A (en) 2019-08-08 2019-08-08 A kind of radial positioning mechanism of center of optical element

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CN110441880A true CN110441880A (en) 2019-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049329A (en) * 2020-08-31 2020-12-08 上海家树建筑工程有限公司 Prefabricated post roof beam component reinforcing bar stop device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102073119A (en) * 2010-12-24 2011-05-25 深圳市大族激光科技股份有限公司 Centering adjustment frame of lens
CN102162935A (en) * 2010-12-30 2011-08-24 中国科学院长春光学精密机械与物理研究所 Adjustable vacuum sucker device for assembling and adjusting lens of photoetching machine
CN102854604A (en) * 2012-08-29 2013-01-02 中国科学院长春光学精密机械与物理研究所 Telescope primary mirror center radial positioning mechanism and assembly and adjustment method thereof
CN103406556A (en) * 2013-08-25 2013-11-27 赵苏峰 Adjustable post-tensioning outward-stretching two-claw or three-claw clamp
CN108296689A (en) * 2018-01-10 2018-07-20 宁波海蔓汽车科技有限公司 Auto parts and components processing positioning clamping device
CN109352560A (en) * 2018-12-06 2019-02-19 西安交通大学 A kind of frock clamp of cylindricality optical element
CN209175533U (en) * 2018-12-26 2019-07-30 成都永和光学有限公司 A kind of Multifunctional lens processing unit (plant)

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102073119A (en) * 2010-12-24 2011-05-25 深圳市大族激光科技股份有限公司 Centering adjustment frame of lens
CN102162935A (en) * 2010-12-30 2011-08-24 中国科学院长春光学精密机械与物理研究所 Adjustable vacuum sucker device for assembling and adjusting lens of photoetching machine
CN102854604A (en) * 2012-08-29 2013-01-02 中国科学院长春光学精密机械与物理研究所 Telescope primary mirror center radial positioning mechanism and assembly and adjustment method thereof
CN103406556A (en) * 2013-08-25 2013-11-27 赵苏峰 Adjustable post-tensioning outward-stretching two-claw or three-claw clamp
CN108296689A (en) * 2018-01-10 2018-07-20 宁波海蔓汽车科技有限公司 Auto parts and components processing positioning clamping device
CN109352560A (en) * 2018-12-06 2019-02-19 西安交通大学 A kind of frock clamp of cylindricality optical element
CN209175533U (en) * 2018-12-26 2019-07-30 成都永和光学有限公司 A kind of Multifunctional lens processing unit (plant)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049329A (en) * 2020-08-31 2020-12-08 上海家树建筑工程有限公司 Prefabricated post roof beam component reinforcing bar stop device

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Application publication date: 20191112

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