CN109708847B - Fine adjustment device for optical lens - Google Patents
Fine adjustment device for optical lens Download PDFInfo
- Publication number
- CN109708847B CN109708847B CN201910118155.8A CN201910118155A CN109708847B CN 109708847 B CN109708847 B CN 109708847B CN 201910118155 A CN201910118155 A CN 201910118155A CN 109708847 B CN109708847 B CN 109708847B
- Authority
- CN
- China
- Prior art keywords
- shaped base
- holes
- screw rod
- ball screw
- vertical
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000009966 trimming Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
An optical lens fine tuning device comprises an L-shaped base, a lens mounting plate and an optical lens, wherein the optical lens is arranged in a center counter bore in a lens mounting plate body; the two side plate bodies of the lens mounting plate are respectively provided with a horizontal waist slot hole and a vertical waist slot hole, the base body on the vertical surface of the L-shaped base is provided with a group of tension spring mounting holes, and tension springs with two ends provided with bolts are respectively arranged in the tension spring mounting holes in series, so that the lens mounting plate and the L-shaped base form a combined body with pretightening force; the vertical elevation body of the L-shaped base is provided with three countersunk head through holes which are horizontally distributed, a screw rod adjusting mechanism consisting of ball screw rods and screw rod nuts is respectively arranged in the countersunk head through holes, each screw rod nut is arranged in the countersunk head through hole correspondingly arranged on the other surface base body of the L-shaped base, and the rod body end of the ball screw rod extending out of the screw rod nut end is contacted with the lens mounting plate to form the optical element fine-tuning device controlled by the three ball screw rods.
Description
Technical field:
the invention relates to the technical field of optical equipment and bioscience instruments, in particular to an optical lens fine adjustment device.
The background technology is as follows:
in a detection system of an optical instrument, a plurality of optical elements are generally installed at a fixed optical system position, so that a certain optical detection function is achieved. However, in practical application of the optical system, slight variation will occur in the direction of the optical path, however, the optical element in the fixed optical detection structure cannot completely reach the optimal state due to the pre-installed position, and there is always a certain deviation, and the position of the optical element must be finely adjusted in use. For example, the direction of the laser beam, the axial direction of the optical mirror, etc., and only the position of the relevant member is moderately adjusted, so that the fine adjustment device finely adjusts the azimuth angle of the optical axis, thereby realizing the function of the correct optical system.
The invention comprises the following steps:
the purpose of the invention is that: the optical lens fine adjustment device aims at solving the problem that an optical element in the existing optical system cannot completely reach an ideal state of an optical path due to a fixed structural position, and therefore provides an optical lens fine adjustment device. By the optical fine adjustment device, the correct azimuth angle of the required optical element for detection can be achieved, and therefore a required optical path system is realized.
In order to achieve the above objective, the present invention provides an optical lens fine tuning device, comprising an L-shaped base 9, a lens mounting plate 4, and an optical lens 2, wherein the optical lens 2 is disposed in a center counterbore 4.1 of a plate body of the lens mounting plate 4, and is characterized in that:
A. the two side plate bodies of the lens mounting plate 4 are respectively provided with a horizontal waist slot hole 4.4 and a vertical waist slot hole 4.5, the base body of the vertical surface of the L-shaped base 9 is provided with a group of tension spring mounting holes 3.1, one tension spring 3 is respectively arranged in the tension spring mounting holes 3.1 in series, and the tension springs 3 form a pre-tightening assembly through tension spring pins 1 arranged at two ends of the tension springs 3, waist slots 4.6 respectively arranged at the edges of the horizontal waist slot holes 4.4 and the vertical waist slot holes 4.5 and waist slots 4.6 arranged on the outer side surface of the base body tension spring mounting holes 3.1;
B. the vertical surface of the L-shaped base 9 is provided with three countersunk through holes 5.1 which are horizontally distributed, the countersunk through holes are internally provided with screw rod adjusting mechanisms consisting of three ball screw rods and screw rod nuts 5 respectively, each screw rod nut 5 is arranged in the countersunk through hole 5.1 which is correspondingly arranged on the other surface base body of the L-shaped base 9, which is close to the mounting plate, and the rod body end of the ball screw rod extending out of the end of the screw rod nut 5 is contacted with the lens mounting plate 4 to form an optical element fine-tuning mechanism controlled by the three ball screw rods.
Preferably, the side of the lens mounting plate 4 close to the L-shaped base 9 is provided with a vertical V-shaped groove 4.2 and a horizontal V-shaped groove 4.3.
Preferably, three countersunk through holes 5.1 which are respectively arranged on the vertical elevation body of the L-shaped base 9 are distributed in a right triangle shape, and a ball screw A, a ball screw B and a ball screw C are respectively arranged in the countersunk through holes 5.1; the extending ends of the ball screw A and the ball screw B are contacted with the vertical V-shaped groove 4.2 arranged on the surface of the L-shaped base 9, and the extending ends of the ball screw C are contacted with the horizontal V-shaped groove 4.3 arranged on the surface of the L-shaped base 9.
Preferably, a blind hole 6.1 for arranging a positioning pin 6 for vertical direction rotation adjustment and final positioning of the L-shaped base is arranged on the bottom surface of the L-shaped base 9, and a screw mounting waist hole 6.2 and a screw mounting round hole 6.3 are formed.
According to the technical scheme, the optical lens fine adjustment device has the following characteristics:
through adjusting the axial extension position of the ball screw rod which is distributed in a right angle shape, under the combined action of the horizontal V-shaped groove and the vertical V-shaped groove which are correspondingly arranged on the lens installation executive plate, the reasonable adjustment of the azimuth angle of the optical movable plate can be ideally realized, and the required azimuth angle for detecting the optical element can be achieved through the optical fine adjustment device, so that the required optical path system is realized.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a lens fine adjustment device;
FIG. 2 is an exploded view of a lens trimming device;
FIG. 3 is a schematic view of the front and back structures of an optical active plate;
FIG. 4 is a schematic side view of an optical active plate of the lens trimming device;
FIG. 5 is a schematic perspective view of an L-shaped base plate structure;
FIG. 6 is a schematic perspective view of a lens trimming device;
FIG. 7 is a schematic perspective view of an L-shaped base structure;
FIG. 8 is an exploded view of an L-shaped base, a lead screw nut, and a lead screw;
FIG. 9 is a schematic cross-sectional view of a tension spring and tension spring pin connection;
fig. 10 is a schematic view of a base side ball screw of the fine tuning device.
In the figure:
1-a tension spring pin 2-an optical lens 3-a tension spring 3.1-a tension spring mounting hole 4-a lens mounting plate 4.1-a center counter bore 4.2-a vertical V-shaped groove 4.3-a horizontal V-shaped groove 4.4-a horizontal waist-shaped groove 4.5-a vertical waist-shaped groove 4.6-a waist-shaped groove 5-a screw nut 5.1-a countersunk through hole 6-a positioning pin hole 6.1-a blind hole 6.2-a screw mounting waist hole 6.3-a screw mounting round hole 7-a fixing screw 8.1-a ball screw A8.2-a ball screw B8.3-a ball screw C9-L type base.
Detailed Description
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
The core innovation of the invention is that: the lens mounting plate comprises three countersunk through holes which are arranged on the vertical body surface of the L-shaped base and distributed in a right angle, three ball screw rods which are arranged at one ends in the three countersunk through holes and are provided with screw nuts, and an effective regulating mechanism which is arranged at one side of the lens mounting plate and is formed by vertical V-shaped grooves and horizontal V-shaped grooves which are correspondingly abutted with the tail ends of the three ball screw rods.
The optical lens fine tuning device as shown in the figure comprises an L-shaped base 9, a lens mounting plate 4 and an optical lens 2, wherein the optical lens 2 is arranged in a center counter bore 4.1 in a plate body of the lens mounting plate 4, and the specific structure is as follows:
A. the two side plate bodies of the lens mounting plate 4 are respectively provided with a horizontal waist slot hole 4.4 and a vertical waist slot hole 4.5, the base body of the vertical surface of the L-shaped base 9 is provided with a group of tension spring mounting holes 3.1, one tension spring 3 is respectively arranged in the tension spring mounting holes 3.1 in series, and the tension springs 3 form a pre-tightening assembly through tension spring pins 1 arranged at two ends of the tension springs 3, waist slots 4.6 respectively arranged at the edges of the horizontal waist slot holes 4.4 and the vertical waist slot holes 4.5 and waist slots 4.6 arranged on the outer side surface of the base body tension spring mounting holes 3.1; the lens mounting plate 4 is provided with a center counter bore 4.1 for mounting the optical lens 2; two V-shaped grooves are formed in the surface of the lens mounting plate 4 at a position which is a certain distance away from the lens mounting center counter bore 4.1: a vertical V-shaped groove 4.2 and a horizontal V-shaped groove 4.3, wherein the two V-shaped grooves are perpendicular to each other.
B. The vertical elevation body of the L-shaped base 9 is provided with three countersunk head through holes 5.1 which are horizontally distributed, a screw rod adjusting mechanism consisting of three ball screw rods and corresponding matched screw rod nuts 5 is respectively arranged in the countersunk head through holes 5.1, each screw rod nut 5 is arranged in the countersunk head through hole 5.1 which is correspondingly arranged on the base body of the L-shaped base 9, which is close to one side of the mounting plate, and the rod body end of the ball screw rod extending out of the end of the screw rod nut 5 is contacted with the lens mounting plate 4 to form an optical element fine-tuning mechanism controlled by the three ball screw rods.
The side of the lens mounting plate 4 close to the L-shaped base 9 is provided with a vertical V-shaped groove 4.2 and a horizontal V-shaped groove 4.3.
The three countersunk through holes 5.1 are distributed on the vertical elevation body of the L-shaped base 9 in a right triangle shape, and the countersunk through holes 5.1 are respectively provided with a ball screw A, a ball screw B and a ball screw C; the extending ends of the ball screw A and the ball screw B are contacted with the vertical V-shaped groove 4.2 arranged on the surface of the L-shaped base 9, and the extending ends of the ball screw C are contacted with the horizontal V-shaped groove 4.3 arranged on the surface of the L-shaped base 9.
The bottom surface of the L-shaped base 9 is provided with a blind hole 6.1 for arranging a positioning pin 6 for vertical direction rotation adjustment and final positioning of the L-shaped base, a screw mounting waist hole 6.2 and a screw mounting round hole 6.3.
The working principle of the optical lens fine tuning device is as follows:
in the adjustment of the device in an optical system, after the ball screw A and the ball screw B are fixed, the ball screw C is rotated; at this time, the lens mounting plate (optical movable plate) 4 rotates according to the axial center formed by the ball screw a and the ball screw B, so that the lens mounting plate 4 can be adjusted within the range of 0-30 degrees. In this way: when the ball screw B and the ball screw C are respectively fixed, the ball screw B and the ball screw C rotate around the center of the axis formed by the ball screw B and the ball screw C, and then the ball screw A rotates; or when the ball screw A and the ball screw C are respectively fixed, the ball screw A and the ball screw C are rotated around the axis center, and when the ball screw B and the ball screw C are respectively fixed, the ball screw A is rotated around the axis center, and then the ball screw A is rotated; the method comprises the steps of carrying out a first treatment on the surface of the When the ball screw B and the ball screw C are respectively fixed, and when the ball screw B and the ball screw C are respectively fixed, the ball screw A is rotated after the axis center formed by the ball screw B and the ball screw C is rotated; the lens mounting plate 4 can be adjusted in the range of 0 deg. to 30 deg..
When three ball screw rods A, B and C are simultaneously adjusted, the lens mounting plate (optical movable plate) 4 can translate along the axial direction of the optical lens.
The foregoing is merely exemplary embodiments of the present invention, and not all embodiments of the present invention are described in detail in the specification, and those skilled in the art should consider the present invention as a whole.
Claims (4)
1. The utility model provides an optical element micromatic setting, includes an L type base (9), lens mounting panel (4), optical lens (2) settle in center counter bore (4.1) in lens mounting panel (4) plate body, its characterized in that:
A. two side plate bodies of the lens mounting plate (4) are respectively provided with a horizontal waist slot hole (4.4) and a vertical waist slot hole (4.5), a group of tension spring mounting holes (3.1) are formed in a base body of a vertical plane of the L-shaped base (9), a tension spring (3) is respectively arranged in the tension spring mounting holes (3.1) in series, and the tension springs (3) form a combination body with pretightening force through tension spring pins (1) arranged at two ends of the tension springs (3), waist slots (4.6) respectively arranged at the edges of the horizontal waist slot holes (4.4) and the vertical waist slot holes (4.5), and waist slots (4.6) arranged on the outer side surfaces of the tension spring mounting holes (3.1) of the base body;
B. the vertical surface of the L-shaped base (9) is provided with three countersunk head through holes (5.1) which are horizontally distributed, the countersunk head through holes are internally provided with screw rod adjusting mechanisms consisting of three ball screw rods and corresponding matched screw rod nuts (5) respectively, each screw rod nut (5) is arranged in the countersunk head through hole (5.1) which is correspondingly arranged on a surface of the L-shaped base (9) close to the mounting plate, and the rod body end of the ball screw rod extending out of the end of the screw rod nut (5) is contacted with the lens mounting plate (4) to form an optical element fine adjusting mechanism controlled by the three ball screw rods.
2. An optical element trimming device as defined in claim 1, wherein: the lens mounting plate (4) is provided with a vertical V-shaped groove (4.2) and a horizontal V-shaped groove (4.3) on the surface close to the L-shaped base (9).
3. An optical element trimming device as defined in claim 1, wherein: the three countersunk head through holes (5.1) are distributed on the vertical elevation body of the L-shaped base (9) in a right triangle shape, and the countersunk head through holes (5.1) are respectively provided with a ball head screw rod A, a ball head screw rod B and a ball head screw rod C; the extending ends of the ball screw A and the ball screw B are contacted with a vertical V-shaped groove (4.2) arranged on the surface of the L-shaped base (9), and the extending ends of the ball screw C are contacted with a horizontal V-shaped groove (4.3) arranged on the surface of the L-shaped base (9).
4. An optical element trimming device as defined in claim 1, wherein: the bottom surface of the L-shaped base (9) is provided with a blind hole (6.1) for arranging a positioning pin (6) for vertical direction rotation adjustment and final positioning of the L-shaped base, a screw mounting waist hole (6.2) and a screw mounting round hole (6.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118155.8A CN109708847B (en) | 2019-02-15 | 2019-02-15 | Fine adjustment device for optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910118155.8A CN109708847B (en) | 2019-02-15 | 2019-02-15 | Fine adjustment device for optical lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109708847A CN109708847A (en) | 2019-05-03 |
| CN109708847B true CN109708847B (en) | 2024-02-09 |
Family
ID=66263663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910118155.8A Active CN109708847B (en) | 2019-02-15 | 2019-02-15 | Fine adjustment device for optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109708847B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000007320U (en) * | 1998-09-30 | 2000-04-25 | 전주범 | Tilt Adjustment Structure of the Axis Optical Pickup Actuator |
| CN1270137A (en) * | 1999-01-26 | 2000-10-18 | 通用仪表公司 | Optical cable winder |
| WO2008056766A1 (en) * | 2006-11-10 | 2008-05-15 | Nidec Copal Corporation | Lens driving device |
| CN101424575A (en) * | 2007-10-31 | 2009-05-06 | 鸿富锦精密工业（深圳）有限公司 | Torsion-testing apparatus and torsion-testing method |
| WO2018113422A1 (en) * | 2016-11-21 | 2018-06-28 | 深圳市绎立锐光科技开发有限公司 | Optical component adjustment assembly, light-emitting module and projection device |
| CN209459866U (en) * | 2019-02-15 | 2019-10-01 | 上海厦泰生物科技有限公司 | A kind of optical mirror slip micromatic setting |
-
2019
- 2019-02-15 CN CN201910118155.8A patent/CN109708847B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000007320U (en) * | 1998-09-30 | 2000-04-25 | 전주범 | Tilt Adjustment Structure of the Axis Optical Pickup Actuator |
| CN1270137A (en) * | 1999-01-26 | 2000-10-18 | 通用仪表公司 | Optical cable winder |
| WO2008056766A1 (en) * | 2006-11-10 | 2008-05-15 | Nidec Copal Corporation | Lens driving device |
| CN101424575A (en) * | 2007-10-31 | 2009-05-06 | 鸿富锦精密工业（深圳）有限公司 | Torsion-testing apparatus and torsion-testing method |
| WO2018113422A1 (en) * | 2016-11-21 | 2018-06-28 | 深圳市绎立锐光科技开发有限公司 | Optical component adjustment assembly, light-emitting module and projection device |
| CN209459866U (en) * | 2019-02-15 | 2019-10-01 | 上海厦泰生物科技有限公司 | A kind of optical mirror slip micromatic setting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109708847A (en) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103558675B (en) | Reflective mirror regulating device and optical instrument | |
| CN204256240U (en) | Reflective mirror adjusting gear and there is its projector | |
| CN108562992B (en) | Precise reflector frame based on flexible hinge | |
| US20180217349A1 (en) | Diffraction grating gimbal mount | |
| CN109947140A (en) | A kind of 5DOF laser alignment micromatic setting and its adjusting method | |
| CN109708847B (en) | Fine adjustment device for optical lens | |
| US20100067980A1 (en) | Flexure with Elongated Openings | |
| US20150316741A1 (en) | Apparatus for fixing solid immersion lens | |
| US10669759B2 (en) | Adjustable hinge assembly of mounting device | |
| CN111474672B (en) | Reflected light beam height adjusting device and installation and adjustment method thereof | |
| US20070091488A1 (en) | Optical element mount | |
| CN110058375A (en) | Lockable screw thread pair and light path regulating device and projection device | |
| CN109188841B (en) | Reflector adjusting device and projection device | |
| JP4375400B2 (en) | Reflector support mechanism | |
| EP0597209A1 (en) | Optical system with lens system and light source | |
| EP0169593A2 (en) | Adjusting the direction of a beam of radiation | |
| CN112630931B (en) | Laser projection optical system reflector precision adjustable structure | |
| CN212859203U (en) | Optical lens clamping device | |
| JP7360404B2 (en) | Angular motion transmission driven by ball bearings | |
| WO2019090933A1 (en) | Lens adjusting mechanism, camera, pan-tilt device and unmanned aerial vehicle | |
| CN218350603U (en) | Cylindrical mirror adjusting mechanism applied to fiber bragg grating writing | |
| RU180328U1 (en) | TELESCOPE MIRROR MOUNTING DEVICE | |
| EP3928139A1 (en) | A mount | |
| CN219997394U (en) | Mirror adjusting device and adjustable mirror device | |
| CN219978603U (en) | Mirror angle adjustment mechanism and mirror assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |