CN208818952U - A kind of double precision optics regulate transmission device - Google Patents
A kind of double precision optics regulate transmission device Download PDFInfo
- Publication number
- CN208818952U CN208818952U CN201821499222.2U CN201821499222U CN208818952U CN 208818952 U CN208818952 U CN 208818952U CN 201821499222 U CN201821499222 U CN 201821499222U CN 208818952 U CN208818952 U CN 208818952U
- Authority
- CN
- China
- Prior art keywords
- bulb
- screw rod
- coarse thread
- regulation handle
- nut
- 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.)
- Active
Links
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The utility model relates to the installations of optical element, system or instrument, adjustment device, and in particular to a kind of double precision optics regulate transmission device, including the coarse thread nut being fixed on optical adjusting frame and its coarse thread screw rod being threadedly coupled；Coarse thread screw rod is axially arranged with centre bore along it, the installation one bulb polished rod for bulb in centre bore, centre bore is expanded to a chamber in the other end of bulb, the sliding block and serrated nut that the pressure spring being threaded through outside bulb polished rod is successively arranged in chamber, is connected with bulb polished rod；Serrated nut is threadedly coupled one as spherical closely-pitched screw rod, and the bulb of closely-pitched screw rod connects with sliding block, and other end is concentric with regulation handle and is fixed in regulation handle；Coarse thread screw rod is fixed with a limited post on an end surface of regulation handle, and regulation handle is fixed with a driving column on the end face close to coarse thread screw rod.The utility model has the function of can be realized coarse adjustment and accurate adjustment double precision is adjusted, and has higher adjusting efficiency, also has the advantages that in adjustment process that hot spot small, light beam of beating easily is aligned.
Description
Technical field
The utility model relates to the installations of optical element, system or instrument, adjustment device, and in particular to a kind of double precision light
Learn regulate transmission device.
Background technique
Currently, well known adjustable stand for precision optics mechanics (referring to attached drawing 1) includes angular adjustment and translation adjusts two kinds of functions, figure
1 show a kind of universal scheme of two dimension angular adjusting bracket, and main includes illustrating several partial contents, and wherein fixed plate is generally logical
It crosses mounting hole to be fixed in equipment, when adjusting a dimension rotation, by rotating one of screw thread pair, screw thread pair nut is solid
Be scheduled in fixed plate, screw thread pair screw front end is a hemisphere, rotate screw thread sub-screw when, screw thread sub-screw is .ed while rotating
It is moved along, pushes movable plate around support steel ball rotation, another dimension adjusting is adjusted by another screw thread pair.Reversely rotate spiral shell
Line pair, movable plate back move under the action of tension spring.Since screw thread pair tooth is away from very little, adjusting, angle changing rate is big, needs to revolve
Turn screw thread degree much to enclose, adjusts low efficiency；Screw thread pair is rotated simultaneously, screw thread pair bulb is rotated always on movable plate, be will cause
Movable plate slight jitter has certain adverse effect to optical alignment.
Such as pitching and rotation optical adjusting frame, XYZ translation optical adjusting frame and accurate holder etc., these adjustment frames and cloud
Platform generally comprises fixing piece, driving member, position limiting structure, tension spring, screw thread pair or micrometer head.Wherein, the screw thread pair or micrometer
Head is that spherical closely-pitched screw rod forms by serrated nut and top, and serrated nut is fixed on fixing piece, closely-pitched screw ball head portion
Divide and withstand on the position limiting structure on driving member, driving member remains the point contact with closely-pitched screw rod under the action of tension spring.
In this adjustment process, turn closely-pitched screw rod, closely-pitched screw rod is rotationally advancing or retreats in serrated nut, drives and passes
Angle or change in displacement occur for moving part, realize the fine adjustment of one degree of freedom.
In general, closely-pitched screw rod tooth is away from fixation, such as 0.25mm, 0.2mm；Adjust stroke it is larger when, closely-pitched screw rod screw in or
When back-out depth is larger, continuous rotation closely-pitched screw rod multi-turn is needed, is got near predetermined position, then carry out accurate adjustment, adjusted
Low efficiency.
Meanwhile when rotation closely-pitched screw rod is adjusted, closely-pitched screw tip bulb is while moving forward or back, not
The rotation stopped, there are shearing friction power, the rotary motions between the position limiting structure on closely-pitched screw tip bulb and driving member
Driving member will be made to swing, although amplitude of fluctuation very little, for accurate optical path adjusting, such as interference efficiency in optical interference circuit
It adjusts, beam alignment adjusting influences to be harmful.
Summary of the invention
For the deficiencies in the prior art, the technical issues of the utility model, is to provide a kind of double precision optics tune
Transmission device is saved, which has higher adjusting efficiency, and also small, light beam is easily aligned with hot spot bounce in adjustment process
The advantages of.
The technical solution that the utility model solves above-mentioned technical problem is:
A kind of double precision optics regulate transmission device, the transmission device include the coarse thread nut being fixed on optical adjusting frame
With the coarse thread screw rod being threadedly coupled with the coarse thread nut；
It is characterized in that, the coarse thread screw rod is axially arranged with centre bore along it, cooperation peace is moved in the centre bore
It is the bulb polished rod of bulb equipped with one, which is expanded to a chamber in the other end of the bulb of the bulb polished rod,
Pressure spring, sliding block and serrated nut are successively arranged along the bulb direction far from bulb polished rod in the chamber；Wherein, the pressure
Spring is threaded through outside bulb polished rod, and the sliding block connects with bulb polished rod, and the serrated nut contacts with each other with coarse thread screw rod
Position be equipped with one or more on-slip screws；
The serrated nut has been threadedly coupled closely-pitched screw rod, and one of the closely-pitched screw rod is bulb, and with institute
The sliding block stated connects, and other end is concentric with regulation handle and is fixed in regulation handle；
A limited post, the adjusting hand are fixed on one end surface of the close regulation handle of the coarse thread screw rod
Handle is fixed with a driving column on the end face close to coarse thread screw rod, the axial line of the driving column and the limited post with
The axial line of the coarse thread screw rod is equidistant.
This reality advantageous effect of the invention is, using double precision optics regulate transmission device described in the utility model as light
The transmission parts for learning adjustment frame and/or accurate holder will improve the adjusting stability of optical adjusting frame and/or accurate holder, together
When the utility model also have the function of quick coarse adjustment and accurate adjustment, big stroke precision optics adjusting in can be improved adjusting effect
Rate.
Detailed description of the invention
Fig. 1 is a kind of universal scheme of existing adjustable stand for precision optics mechanics two dimension angular.
Fig. 2~3 are a kind of structural schematic diagrams of double precision optics regulate transmission device described in the utility model, wherein
Fig. 1 is main view (cross-sectional view), and Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is to use double precision optics regulate transmission device described in the utility model as a kind of translation optics tune of accessory
The schematic diagram of whole frame.
Fig. 5 is to carry out light beam along light as the translation optical adjusting frame of accessory using the screw thread pair or micrometer head of the prior art
When axis translational adjustment, facula position bounce scatter plot.
Fig. 6 is using translation optical adjusting frame of the double precision optics regulate transmission device described in the utility model as accessory
When carrying out light beam along optical axis translational adjustment, facula position bounce scatter plot.
Specific embodiment
Referring to fig. 2 and with 3, double precision optics regulate transmission device described in the utility model, including it is fixed on optics tune
Coarse thread nut 1 on whole frame and the coarse thread screw rod 2 being threadedly coupled with the coarse thread nut 1.
The coarse thread screw rod 2 is axially arranged with centre bore along it, moves in the centre bore and is fitted with one and is
The bulb polished rod 3 of bulb, the centre bore are expanded to a chamber, the chamber in the other end of the bulb of the bulb polished rod 3
Interior is successively arranged pressure spring 4, sliding block 5 and serrated nut 8 along the bulb direction far from bulb polished rod 3；Wherein, the pressure spring 4
It is threaded through outside bulb polished rod 3, the sliding block 5 connects with bulb polished rod 3, the serrated nut 8 and 2 phase mutual connection of coarse thread screw rod
The position of touching, is equipped with two on-slip screws 11, and on-slip screw 11 compresses serrated nut by being threadably mounted on coarse thread screw rod
8。
The serrated nut 8 has been threadedly coupled closely-pitched screw rod 7, and one of the closely-pitched screw rod 7 is bulb, and with
The sliding block 5 connects, and other end is concentric with regulation handle 6 and is fixed in regulation handle 6.
A limited post 9, the tune are fixed on one end surface of the close regulation handle 6 of the coarse thread screw rod 2
Section handle 6 is fixed with a driving column 10, the driving column 10 and the limited post on the end face close to coarse thread screw rod 2
The axial line of 9 axial line and the coarse thread screw rod 2 is equidistant, and when rotating regulation handle 6, regulation handle will drive and pass
Dynamic column 10 rotates, and when driving column 10, which is rotated to, to be contacted with limited post, continues rotating handle 6, will drive coarse thread by limited post 9
Screw rod 2 rotates.
It include coarse thread nut 1 in embodiment shown in Figure 2, coarse thread nut 1 is generally mounted at well known pH effect
12 on frame and/or holder fixed plate, coarse thread screw rod 2 is screwed in coarse thread nut 1,2 thread form of coarse thread screw rod and tooth away from coarse thread spiral shell
Mother 1 is mating；There are one bulb polished rods 3 for 2 inside of coarse thread screw rod, before bulb polished rod 3 can be in the hollow guide groove in coarse thread screw rod 2
After move.
6 internal junction of coarse thread screw rod 2 and regulation handle is shown in the cross-sectional view of embodiment horizontal direction shown in Fig. 3
Structure, wherein include a pressure spring 4 and displacer 5,4 one end of pressure spring withstands on coarse thread spiral shell in 2 middle part hollow structure of coarse thread screw rod
On 2 hole wall of bar, the other end is withstood on 5 front end face of displacer, and 3 end of bulb polished rod is a flat surface, before withstanding on displacer 5
On end face.
Serrated nut 8 is installed in above-mentioned 2 tail portion of coarse thread screw rod, and serrated nut 8 is locked by on-slip screw 11；Coarse thread screw rod 2
One limited post 9 is installed on tail end face.A closely-pitched screw rod 7 is installed in 6 inside center part of regulation handle, closely-pitched screw rod 7
Away from mating with serrated nut 8,7 top of closely-pitched screw rod is ball head structure, withstands on 5 tail portion of displacer for thread form and tooth；Regulation handle 6
Installation one transmission stud 10 in inside is driven stud 10 after rotation regulation handle 6 drives transmission stud 10 to turn to certain angle
It will be in the tangent contact of limited post 9.
The application example on optical adjusting frame 12 is mounted on using the utility model regulating device shown in diagram 4,
In, closely-pitched screw rod 7 is installed by screw thread in 6 center of regulation handle, and drive screw 10 is installed by screw thread in side, and coarse thread nut 1 is inserted
Enter onto 12 mounting base of optical adjusting frame, and locked by screw, 3 bulb part of bulb polished rod is withstood on translation stage sliding block 11
On wear plate.
Above-mentioned coarse thread nut 1, coarse thread screw rod 2, bulb polished rod 3, displacer 5, closely-pitched screw rod 7, regulation handle 6 are concentric.
In fine adjustment, the embodiment is provided with limited post 9 as midpoint, and positive negative one circle is the adjusting model of regulated quantity
It encloses, degree of regulation depends on the tooth of serrated nut 8 and closely-pitched screw rod 7 away from general but be not limited to 0.2mm or 0.25mm；
In fine adjustment range, regulation handle 6 is rotated in the forward direction, closely-pitched screw rod 7 will be driven to rotate in serrated nut 8, closely-pitched
Screw rod 7 will be translate forward, and displacer 5 is pushed to move forward along 2 central cavity of coarse thread screw rod, and displacer 5 is to Forward
It moves compression press spring 4, and bulb polished rod 3 is pushed to move forward along 2 front cavity of coarse thread screw rod, bulb polished rod 3 pushes optics
Driving member 12 on adjustment frame and/or holder fixed plate is mobile, realizes that the positive of a dimension is adjusted；
In fine adjustment range, regulation handle 6 is reversely rotated, closely-pitched screw rod 7 will be driven to rotate in serrated nut 8, closely-pitched
Screw rod 7 will translate backward, and displacer 5 is acted on by the pressure of pressure spring 4, will move backward along 2 central cavity of coarse thread screw rod,
Bulb polished rod 3 is moved backward by optical adjusting frame and/or the effect of 12 pressure of holder driving member, restores optical adjusting frame
And/or the position of holder driving member, complete the reversed adjusting an of dimension.Bulb polished rod 3 does not occur when being moved forward or rearward
Rotation, and only translational motion, without relative rotation between optical adjusting frame and/or holder driving member position limiting structure 12 and bulb polished rod 3,
Realize stable regulation.
In the quick coarse adjustment of big stroke, the embodiment makes to be driven stud 10 and limited post 9 by rotation regulation handle 6
It is in contact, is further continued for rotation regulation handle 6, transmission stud 10 will drive coarse thread screw rod 2 to rotate in coarse thread nut 1, make coarse thread
Nut 2 is moved forward or rearward, and when coarse thread nut 2 moves forward, quickly bulb polished rod 3 is pushed to translate forward, when coarse thread spiral shell
When mother 2 moves backward, bulb polished rod 3 is occurred to translate backward by optical adjusting frame and/or the effect of 12 pressure of holder driving member, puts down
Bulb polished rod 3 does not rotate during shifting, can fast implement the quick coarse adjustment of big stroke by the above method, improve and adjust effect
Rate.
When Fig. 5 is that Fig. 4 structure carries out laser translation adjusting using traditional adjusting screw rod, screw thread pair, micrometer head, measurement swashs
The jitter conditions scatterplot of hot spot is distributed on vertical translation path plane when light hot spot translates；Fig. 6 (is adjusted using Fig. 4 structure
Screw rod is changed to utility model device) carry out laser translation adjusting when, measurement laser facula translation when on vertical translation road
The jitter conditions scatterplot distribution of hot spot in diameter plane；By Fig. 5,6 comparisons as can be seen that being improved using utility model device
The stability of optical path adjusting is solved using adjusting bracket caused by traditional adjusting screw rod since what adjusting rod spin friction generated trembles
Move unstable influence.
Claims (1)
1. a kind of double precision optics regulate transmission device, which includes the coarse thread nut being fixed on optical adjusting frame
(1) and with the coarse thread nut (1) the coarse thread screw rod (2) being threadedly coupled；
It is characterized in that, the coarse thread screw rod (2) is axially arranged with centre bore along it, moves and be coupled in the centre bore
There is the bulb polished rod (3) that one is bulb, which is expanded to a chamber in the other end of the bulb of the bulb polished rod (3)
Room, the chamber is interior to be successively arranged pressure spring (4), sliding block (5) and serrated nut along the bulb direction far from bulb polished rod (3)
(8)；Wherein, the pressure spring (4) is threaded through bulb polished rod (3) outside, and the sliding block (5) connects with bulb polished rod (3), described
Serrated nut (8) and coarse thread screw rod (2) position for contacting with each other be equipped with two on-slip screws (11)；
The serrated nut (8) has been threadedly coupled closely-pitched screw rod (7), and one of the closely-pitched screw rod (7) is bulb, and
Connect with the sliding block (5), other end is concentric with regulation handle (6) and is threadably mounted on regulation handle (6)；
It is fixed with a limited post (9) on one end surface of the close regulation handle (6) of the coarse thread screw rod (2), it is described
Regulation handle (6) is fixed with a driving column (10) on the end face close to coarse thread screw rod (2), the driving column (10) and institute
The axial line for the limited post (9) stated and the axial line of the coarse thread screw rod (2) are equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499222.2U CN208818952U (en) | 2018-09-13 | 2018-09-13 | A kind of double precision optics regulate transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821499222.2U CN208818952U (en) | 2018-09-13 | 2018-09-13 | A kind of double precision optics regulate transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818952U true CN208818952U (en) | 2019-05-03 |
Family
ID=66276984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821499222.2U Active CN208818952U (en) | 2018-09-13 | 2018-09-13 | A kind of double precision optics regulate transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818952U (en) |
-
2018
- 2018-09-13 CN CN201821499222.2U patent/CN208818952U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104267481B (en) | A kind of large caliber reflecting mirror back support device | |
| CN206696516U (en) | A kind of telescope compound focusing device | |
| CN108761704B (en) | Two-plate type angle adjusting frame | |
| CN201715975U (en) | Joint arm type coordinate measuring machine with variable rod length | |
| CN208818952U (en) | A kind of double precision optics regulate transmission device | |
| CN108897141A (en) | A kind of double precision optics regulate transmission device | |
| CN114384664A (en) | Reflector position appearance adjusting device | |
| CN104501037B (en) | Stage lamp | |
| CN102363164A (en) | Adjustable guide beam | |
| CN209705764U (en) | A kind of lighting device focusing structure | |
| CN106903441B (en) | A kind of QBH collimation portion three-dimensional regulation laser cutting head | |
| CN111673796B (en) | Robot arm leveling and positioning system based on PSD | |
| CN210377146U (en) | Test tool for rudder servo controller | |
| CN204061129U (en) | A kind of stroke control mechanism | |
| CN109648363B (en) | Turning clamping structure for thin-wall long pipe fitting with non-linear variable inner and outer diameters | |
| CN208060831U (en) | A kind of telescope adjustment screw rod | |
| CN106547066B (en) | Aspherical optical lens adjusting system | |
| JP3613171B2 (en) | Interference spectrophotometer | |
| CN219869516U (en) | Laser interferometer for detecting whole machine precision of welding machine | |
| CN202316556U (en) | Adjustable type guide beam | |
| CN215615765U (en) | Focusing head structure on a large scale | |
| CN108981535B (en) | Contact displacement measuring method and measuring device thereof | |
| CN219426256U (en) | Online tool changing sleeve mechanism of circle shear | |
| CN208005293U (en) | A kind of photoelectricity school shaft device | |
| CN215468174U (en) | Cutter flying clamp capable of radially adjusting cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |