CN103869459A - Micro-inching focusing device for object lens of microscope - Google Patents
Micro-inching focusing device for object lens of microscope Download PDFInfo
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- CN103869459A CN103869459A CN201410082218.6A CN201410082218A CN103869459A CN 103869459 A CN103869459 A CN 103869459A CN 201410082218 A CN201410082218 A CN 201410082218A CN 103869459 A CN103869459 A CN 103869459A
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Abstract
The invention discloses a micro-inching focusing device for an object lens of a microscope. The micro-inching focusing device for the object lens of the microscope comprises a shell, an object lens, a drawtube, an object lens clamping piece, two reeds, two inclined grooves, a square frame, a motor output shaft and a 30DE0 motor, wherein the two inclined grooves are of the shape of a triangle with an inclined surface which faces downwards and are respectively arranged on the two sides of the object lens clamping piece, a supporting rod which is perpendicular to and penetrates through the side surface is arranged on each of two sides of the square frame, a motor output hole is formed in one side surface in parallel with the supporting rod, the motor output shaft is in threaded connection with the motor output hole, the square frame is arranged at the external part of the object lens clamping piece, one ends of the supporting rods on the two sides respectively are propped on the inclined surfaces of the inclined grooves on the two sides of the object lens clamping piece, the 30DE0 motor outputs displacement through the motor output shaft to push the square frame to move, the two supporting rods are pushed to move horizontally and the object lens clamping piece is driven to move in the direction of an optical axis through the inclined grooves. The micro-inching focusing device for the object lens of the microscope has the advantages that the structure is simple, the device is convenient to use and the observation effect of the microscope can be effectively improved.
Description
Technical field
The present invention relates to Ultrasonic Motor Techniques field, relate in particular to a kind of microscope objective lens fine motion focus control.
Background technology
Traditional electromagnetic machine, through the development of last 100 years, is all very ripe in theory, structural design, the manufacturing and application aspect.Along with scientific and technical development, at present the field such as Aero-Space, exact instrument, medicine equipment to motor proposed small and exquisite such as structure, length is short, low noise, lightweight, without the requirement of more renewals such as electromagnetic interference (EMI), traditional electrical magneto generator is limited to the reason such as principle of work and version can not meet these requirements, this just requires the motor of development of new to replace electromagnetic machine in some field, ultrasound electric machine is exactly a kind of advanced person's small and special electric machine wherein, and its appearance has made up the deficiency of traditional electrical magneto generator.This kind of motor uses piezoelectric as energy transducer, utilizes the inverse piezoelectric effect of piezoelectric to inspire the elastomeric ultrasonic vibration of stator and realizes the conversion of electric energy to mechanical energy, and by rubbing action, motion and power are passed.Compare with traditional electrical magneto generator, ultrasound electric machine displacement resolution is high, response fast, and it both can be used as drive source power or moment are provided, and can be used for again directly driving and controlled motion platform is realized hi-Fix or step function.In the ultrasound electric machine course of work, can not generate an electromagnetic field and can not be subject to the interference of electromagnetic field, being very suitable for being used in the complex environments such as electromagnetism.Meanwhile, ultrasound electric machine cuts off self-lock, noise is little, structural design is flexible, can realize short, little, thin etc. feature and make it in numerous high, precision and frontier applications, become the strong of traditional electrical magneto generator to supplement.
Rotary-type ultrasound electric machine belongs to the one of ultrasound electric machine, inverse piezoelectric effect and the elastomeric ultrasonic vibration that utilizes piezoelectric element equally, by the rubbing action between stator and mover or gas (liquid) coupling, elastomeric micro breadth oscillation is converted to the motion of mover macroscopic view, directly promote load.Rotary-type ultrasound electric machine can directly be exported and rotatablely move and moment of torsion.But because its specific method of clamping (need to fix at circular plate type diameter of stator bore place) makes comparatively difficulty of microminiaturization, studying at present and using more is all the motor of diameter more than 30mm.
Microscopical object lens operating distance has a significant impact for microscopical observing effect, and the resolution of its object lens focusing of existing optical microscope, generally in 0.2um left and right, is difficult to reach the precision below 100nm.
Summary of the invention
Technical matters to be solved by this invention is the defect for background technology, and a kind of microscope objective lens fine motion focus control that can effectively improve observing effect based on ultrasound electric machine is provided.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of microscope objective lens fine motion focus control, comprises housing, object lens, lens barrel, object lens holder, two reeds, two skewed slots, square box, motor output shaft and 30DE0 motors;
Described object lens are provided with external thread, described lens barrel inwall be provided with object lens on the internal thread that matches of external thread, described object lens are threaded with lens barrel;
Described object lens holder is rectangular parallelepiped, and on it, plane is provided with the circular hole for inserting lens barrel, and described two skewed slots are oblique prone triangle, are separately positioned on the both sides of object lens holder, and described two reeds are separately positioned on the two ends up and down of object lens holder;
The both sides of described square box are respectively equipped with one with lateral vertical and through the support bar of side, a described square box side parallel with support bar is provided with motor delivery outlet, and described motor delivery outlet is provided with internal thread;
Described housing is rectangular parallelepiped, and its upper surface is provided with the circular hole that exposes lens barrel, and described object lens holder is arranged in housing, and described housing is respectively equipped with a horizontal gathering sill in the both sides that skewed slot is set corresponding to object lens holder;
Described square box is arranged between described housing and described object lens holder, the both sides that are provided with support bar are provided with the both sides of gathering sill corresponding to described housing, equal one end of support bar of described square box both sides is arranged in gathering sill, the inclined-plane of the other end and skewed slot offsets;
On described motor output shaft one end be provided with described motor delivery outlet on the external thread that matches of internal thread, be threaded with described motor delivery outlet, the other end is provided with blind hole, is connected by interference fit with the outrigger shaft of 30DE0 motor.
As the further prioritization scheme of a kind of microscope objective lens fine motion focus control of the present invention, the junction of the outrigger shaft of described motor output shaft and 30DE0 motor is provided with holding screw.
As the further prioritization scheme of a kind of microscope objective lens fine motion focus control of the present invention, the surfaceness of the gathering sill of described housing both sides is less than or equal to 1.25um, flatness is less than or equal to 2um.
As the further prioritization scheme of a kind of microscope objective lens fine motion focus control of the present invention, described 30DE0 motor is travelling-wave type rotary ultrasonic motor.
The rotary-type ultrasound electric machine of 30DE0 is exported after a micro-displacement by output shaft, the axial output of ultrasound electric machine is converted to the movement of microscope objective lens on optical axis direction by microscope objective lens fine motion focus control, thereby the step pitch of ultrasound electric machine is converted to the step pitch of microscope objective lens, the focusing resolution of microscope objective lens can reach with the identical order of magnitude of rotary-type ultrasound electric machine like this.
When ultrasound electric machine work, output shaft can be realized forward and reverse motion, realizes the motion on rising and decline both direction thereby promote micro objective on optical axis direction.
The startup of micro objective in whole process, stop with resolution, completely by rotary-type ultrasound electric machine control, therefore can realizing good control accuracy and high resolving power.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
This device can be realized the focal length fine setting of microscope objective lens Nano grade, for using observation by light microscope micro-object to be significant, has made up the defect that manual focusing resolution is difficult to reach Nano grade.
Brief description of the drawings
Fig. 1 is microscope objective lens fine motion focus control object lens part schematic diagram;
Fig. 2 is microscope objective lens fine motion focus control object lens retained part schematic diagram;
Fig. 3 is object lens and object lens retained part scheme of installation;
Fig. 4 is microscope objective lens fine motion focus control displacement conversion portion schematic diagram;
Fig. 5 is object lens retained part and displacement conversion portion scheme of installation;
Fig. 6 is microscope objective lens fine motion focus control housing schematic diagram;
Fig. 7 is displacement conversion portion and housing scheme of installation;
Fig. 8 is housing and upper and lower end cap scheme of installation;
Fig. 9 is microscope objective lens fine motion focus control overall schematic;
In figure, 1-object lens; 2-lens barrel; 3-object lens holder; 4-reed; 5-skewed slot; 6-square box; 7-support bar; 8-30DE0 motor output shaft; 9-housing parts; 10-gathering sill; 11-upper end cover; 12-bottom end cover; 13-packing ring; The rotary-type ultrasound electric machine of 14-30DE0.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 9, the invention discloses a kind of microscope objective lens fine motion focus control, comprise housing, object lens, lens barrel, object lens holder, two reeds, two skewed slots, square box, motor output shaft and 30DE0 motors;
Described object lens are provided with external thread, described lens barrel inwall be provided with object lens on the internal thread that matches of external thread, described object lens are threaded with lens barrel;
Described object lens holder is rectangular parallelepiped, and on it, plane is provided with the circular hole for inserting lens barrel, and described two skewed slots are oblique prone triangle, are separately positioned on the both sides of object lens holder, and described two reeds are separately positioned on the two ends up and down of object lens holder;
The both sides of described square box are respectively equipped with one with lateral vertical and through the support bar of side, a described square box side parallel with support bar is provided with motor delivery outlet, and described motor delivery outlet is provided with internal thread;
Described housing is rectangular parallelepiped, and its upper surface is provided with the circular hole that exposes lens barrel, and described object lens holder is arranged in housing, and described housing is respectively equipped with a horizontal gathering sill in the both sides that skewed slot is set corresponding to object lens holder;
Described square box is arranged between described housing and described object lens holder, the both sides that are provided with support bar are provided with the both sides of gathering sill corresponding to described housing, equal one end of support bar of described square box both sides is arranged in gathering sill, the inclined-plane of the other end and skewed slot offsets;
On described motor output shaft one end be provided with described motor delivery outlet on the external thread that matches of internal thread, be threaded with described motor delivery outlet, the other end is provided with blind hole, is connected by interference fit with the outrigger shaft of 30DE0 motor.
The junction of the outrigger shaft of described motor output shaft and 30DE0 motor is provided with holding screw.
The surfaceness of the gathering sill of described housing both sides is less than or equal to 1.25um, flatness is less than or equal to 2um.
Described 30DE0 motor is travelling-wave type rotary ultrasonic motor.
The concrete assembling of each parts and the course of work are as follows:
As shown in Figure 1, object lens pack in lens barrel as object lens part by screw thread;
As shown in Figure 2, two skewed slots are threaded connection the both sides that are arranged on object lens holder, match with two reeds respectively in the upper and lower end face of object lens holder, and the effect of reed has been flexible support, and object lens can be moved on optical axis direction;
As shown in Figure 3, lens barrel is inserted in the circular hole of object lens holder, object lens part has just been arranged on object lens retained part like this;
Be illustrated in figure 4 displacement conversion portion, its effect is to coordinate with the gathering sill on skewed slot and housing respectively by the support bar of both sides, and the axially-movable of motor output is converted to the motion of object lens on optical axis direction;
As shown in Figure 5, the assembly assembling by preceding step is put on displacement conversion portion, make inclined-plane and the support bar Cylindrical Surfaces Contact of two skewed slots, in the time of a displacement of 30DE0 motor output shaft output, promote displacement conversion portion and produce a displacement, make object lens on optical axis direction, produce displacement thereby then promote skewed slot by support bar;
Outer frame part as shown in Figure 6, this is a global facility in fact, why in design, be decomposed into 6 parts, be because gathering sill contact with support bar in the face of the requirement of flatness and roughness very high, need to grind, therefore be decomposed out and conveniently carry out follow-up grinding operation;
As shown in Figure 7, two support bars are placed on gathering sill end face, in the circular hole of 30DE0 motor output shaft from housing, pass through;
As shown in Figure 8, whole device is finally connected with upper end cover and bottom end cover by packing ring, by 4 screws, whole device is sealed in aggregates; Upper, bottom end cover and foregoing outer frame part are the housing parts of this device altogether;
Be as shown in Figure 9 whole device final complete figure, the rotary-type ultrasound electric machine motor of 30DE0, by output shaft output displacement, can promote micro objective by the displacement converter device on the left side and on optical axis direction, realize bidirectional-movement.
The present invention is simple in structure, easy to use, has larger practicality.
It is to be noted; the above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; the variation that can expect easily and replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (4)
1. a microscope objective lens fine motion focus control, is characterized in that, comprises housing, object lens, lens barrel, object lens holder, two reeds, two skewed slots, square box, motor output shaft and 30DE0 motors;
Described object lens are provided with external thread, described lens barrel inwall be provided with object lens on the internal thread that matches of external thread, described object lens are threaded with lens barrel;
Described object lens holder is rectangular parallelepiped, and on it, plane is provided with the circular hole for inserting lens barrel, and described two skewed slots are oblique prone triangle, are separately positioned on the both sides of object lens holder, and described two reeds are separately positioned on the two ends up and down of object lens holder;
The both sides of described square box are respectively equipped with one with lateral vertical and through the support bar of side, a described square box side parallel with support bar is provided with motor delivery outlet, and described motor delivery outlet is provided with internal thread;
Described housing is rectangular parallelepiped, and its upper surface is provided with the circular hole that exposes lens barrel, and described object lens holder is arranged in housing, and described housing is respectively equipped with a horizontal gathering sill in the both sides that skewed slot is set corresponding to object lens holder;
Described square box is arranged between described housing and described object lens holder, the both sides that are provided with support bar are provided with the both sides of gathering sill corresponding to described housing, equal one end of support bar of described square box both sides is arranged in gathering sill, the inclined-plane of the other end and skewed slot offsets;
On described motor output shaft one end be provided with described motor delivery outlet on the external thread that matches of internal thread, be threaded with described motor delivery outlet, the other end is provided with blind hole, is connected by interference fit with the outrigger shaft of 30DE0 motor.
2. microscope objective lens fine motion focus control according to claim 1, the junction of the outrigger shaft of described motor output shaft and 30DE0 motor is provided with holding screw.
3. microscope objective lens fine motion focus control according to claim 1, is characterized in that, the surfaceness of the gathering sill of described housing both sides is less than or equal to 1.25um, flatness is less than or equal to 2um.
4. microscope objective lens fine motion focus control according to claim 1, is characterized in that, described 30DE0 motor is travelling-wave type rotary ultrasonic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082218.6A CN103869459B (en) | 2014-03-07 | 2014-03-07 | A kind of microscope objective lens fine motion focus control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082218.6A CN103869459B (en) | 2014-03-07 | 2014-03-07 | A kind of microscope objective lens fine motion focus control |
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| CN103869459A true CN103869459A (en) | 2014-06-18 |
| CN103869459B CN103869459B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410082218.6A Expired - Fee Related CN103869459B (en) | 2014-03-07 | 2014-03-07 | A kind of microscope objective lens fine motion focus control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880814A (en) * | 2015-05-07 | 2015-09-02 | 苏州大学 | Object lens driving table |
| CN109211907A (en) * | 2018-10-24 | 2019-01-15 | 北京控制工程研究所 | A kind of fitting device detecting silver ion migration |
| CN112612132A (en) * | 2020-12-24 | 2021-04-06 | 核工业总医院 | Multifunctional microscope system for neurosurgery operation |
| CN113064268A (en) * | 2021-04-13 | 2021-07-02 | 深圳日华自动化技术有限公司 | Micro-moving precise stroke control and adjustment device for nano platform |
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| JP2006106342A (en) * | 2004-10-05 | 2006-04-20 | Canon Inc | Device for supporting lens movement |
| DE102011117743A1 (en) * | 2011-01-18 | 2012-07-19 | Carl Zeiss Microlmaging Gmbh | Microscope lens with at least one displaceable in the direction of the optical axis lens group |
| EP2555412A2 (en) * | 2011-08-05 | 2013-02-06 | Canon Kabushiki Kaisha | Ultrasonic motor and lens apparatus including the same |
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2014
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| EP2555412A2 (en) * | 2011-08-05 | 2013-02-06 | Canon Kabushiki Kaisha | Ultrasonic motor and lens apparatus including the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880814A (en) * | 2015-05-07 | 2015-09-02 | 苏州大学 | Object lens driving table |
| CN109211907A (en) * | 2018-10-24 | 2019-01-15 | 北京控制工程研究所 | A kind of fitting device detecting silver ion migration |
| CN109211907B (en) * | 2018-10-24 | 2022-01-04 | 北京控制工程研究所 | Tool device for detecting silver ion migration |
| CN112612132A (en) * | 2020-12-24 | 2021-04-06 | 核工业总医院 | Multifunctional microscope system for neurosurgery operation |
| CN113064268A (en) * | 2021-04-13 | 2021-07-02 | 深圳日华自动化技术有限公司 | Micro-moving precise stroke control and adjustment device for nano platform |
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| Publication number | Publication date |
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| CN103869459B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20180307 |