CN111338047A - Cemented lens adjusting system, control method and application - Google Patents
Cemented lens adjusting system, control method and application Download PDFInfo
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- CN111338047A CN111338047A CN202010271633.1A CN202010271633A CN111338047A CN 111338047 A CN111338047 A CN 111338047A CN 202010271633 A CN202010271633 A CN 202010271633A CN 111338047 A CN111338047 A CN 111338047A
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- lens
- cemented
- glued
- shell
- elastic body
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention belongs to the technical field of manufacturing, installing and adjusting of optical elements, and discloses a cemented lens adjusting system, a control method and application. Placing the lens to be glued after glue kneading on a lens base, and assembling a lens pressing ring, a piston ring, an upper shell, a lower shell, a protective shell and an elastic body according to corresponding assembling relations; placing the assembled adjusting part on a lens base, and pressing a lens pressing ring on the upper edge of the upper lens to be glued; under the gravity of the upper shell and the lower shell, the lens pressing ring is pushed upwards by the lens to be glued, and the elastic body is stressed and compressed; the pressure generated by the elastic body is used as a pretightening force to move the whole adjusting component, so that the upper lens in the lenses to be glued is moved, and finally the two lenses are adjusted to be coaxial. In practical application, the invention can greatly simplify the adjusting mechanism and reduce the processing requirement on the adjusting mechanism; the method has wider application range and greatly improves the processing precision, efficiency and adaptability of the cemented lens.
Description
Technical Field
The invention belongs to the technical field of manufacturing, installing and adjusting of optical elements, and particularly relates to a cemented lens adjusting system, a control method and application.
Background
At present, in the optical field, in order to meet various requirements such as elimination of chromatic aberration and aberration, reduction of processing difficulty of lenses and the like, two or more lenses are often required to be glued; the method of adjusting the cemented lens has a direct effect on the quality of the lens. Therefore, the method of adjusting the cemented mirror is very important.
A method for adjusting a cemented lens commonly used in the prior art is a thimble method, two cemented lenses are fixed on one mirror after glue kneading is completed, and 3 or more thimbles are used for jacking the excircle of the other mirror so as to adjust the relative positions of the two mirrors; and adjusting the optical axes of the two lenses to be overlapped to finish the adjustment operation. The disadvantages of the thimble method are: firstly, there is a certain requirement for the thickness of the adjusted lens, and the thinner the lens thickness is, the harder the thimble is to push against the outer circle of the lens. Secondly, since only one thimble can contact the lens at the same time, the jacking direction of the lens cannot be accurately controlled. Thirdly, since the relative movement between the lenses to be cemented is sliding along the spherical surface, the height of the outer circle of the lens is changed. At the moment, the height position of the thimble needs to be adjusted, the requirement on the movement straightness of the thimble is high, and the thimble can hardly be used for the lens with micron-sized gluing precision and the edge thickness of less than 2 mm. Fourthly, the thimble method is difficult to realize automation, and the working efficiency is reduced.
In summary, the problems of the prior art are as follows:
(1) the thickness of the adjusted lens has certain requirements, and the thinner the lens is, the harder the thimble is to be pushed to the excircle of the lens.
(2) Because only one thimble can contact the lens at the same time, the jacking direction of the lens cannot be accurately controlled.
(3) Since the relative movement between the lenses to be cemented is sliding along the spherical surface, the height of the outer circle of the lens changes.
(4) The thimble method is difficult to realize automation, and the working efficiency is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cemented lens adjusting system, a control method and application.
The invention is realized in such a way that a method for controlling the adjustment of a cemented lens comprises the following steps:
step one, placing a lens to be glued after glue kneading on a lens base;
assembling the lens pressing ring, the piston ring, the upper shell, the lower shell, the protective shell and the elastic body according to corresponding assembling relations;
step three, the assembled adjusting part is placed on a lens base, and a lens pressing ring is pressed on the upper edge of the upper surface of the lens to be glued; under the gravity of the upper shell and the lower shell, the lens pressing ring is pushed upwards by the lens to be glued, and the elastic body is stressed and compressed;
and step four, the pressure generated by the elastic body is used as a pretightening force, the whole adjusting part is moved, so that the upper lens in the lens to be glued is moved, and finally the two lenses are adjusted to be coaxial.
Further, in the first step, the lens to be cemented is placed on the lens base and the lower sheet is fixed by means of jackscrews, claws, negative pressure or the like.
Further, in the second step, after the assembly is completed, the piston rod can move up and down and automatically reset under the pressure of the elastic body.
Another object of the present invention is to provide a cemented lens adjusting system implementing the control method for cemented lens adjustment, the cemented lens adjusting device being provided with:
the lens to be cemented is provided with a lower lens to be cemented and an upper lens to be cemented, and the lower lens to be cemented is positioned below the upper lens to be cemented;
the lower lens to be glued is placed on the lens base, and the lens pressing ring is pressed on the edge of the upper lens to be glued.
Further, a piston ring is assembled on the lens pressing ring, and a protective shell is assembled on the piston ring; the protective housing upper end is equipped with the shell, and the shell is equipped with down to last shell lower extreme, is equipped with the elastomer between piston ring and protective housing.
Another object of the present invention is to provide an application of the method for controlling the adjustment of the cemented lens in the manufacture and assembly of optical elements.
In summary, the advantages and positive effects of the invention are: the invention does not make any requirement on the thickness of the lens to be cemented, and can adapt to lenses with any thickness as long as the opening angle of the lens pressing ring is proper; meanwhile, when the lens moves relatively, the height change can be matched by the piston structure in a self-adaptive manner, and the pressing ring is in complete contact with the lens to be glued so as to realize follow-up, so that a foundation is provided for adjusting subsequent accurate displacement.
If one of the two mirrors of the lens to be cemented is large at the lower part and small at the upper part, and the thickness of the small mirror at the upper part is thinner, the lens pressing ring is designed into a structure which is directly pressed on the upper surface of the lens at the upper part under the condition of not contacting the lens at the lower part, and the pretightening force of the elastic material (as shown in figure 3) is increased, so that the cemented lens can be adjusted in the same structural mode.
In practical application, the invention can greatly simplify the adjusting mechanism and reduce the processing requirement on the adjusting mechanism; the invention has wider application range and can be suitable for lenses with various thicknesses; the requirements of operators are reduced; improving the machining precision of the cemented lens to a micron level; and the efficiency and the adaptability are greatly improved.
Drawings
Fig. 1 is a flowchart of a method for controlling adjustment of a cemented lens according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a cemented lens adjusting system provided by an embodiment of the invention.
Fig. 3 is a schematic structural view of a lens to be cemented, an upper lens to be cemented and a protective shell according to an embodiment of the present invention.
In the figure: 1. a lens base; 2. a lens pressing ring; 3. a piston ring; 4. a lower housing; 5. an upper housing; 6. a protective shell; 7. an elastomer; 8. the lens is glued; 9. and (5) gluing the lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems of the prior art, the present invention provides a cemented lens adjusting system and a control method thereof, which will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a method for controlling adjustment of a cemented lens according to an embodiment of the present invention includes the following steps:
s101: and placing the lens to be glued on the lens base after the glue kneading is finished.
S102: assembling the lens pressing ring, the piston ring, the upper shell, the lower shell, the protective shell and the elastic body according to corresponding assembling relations.
S103: placing the assembled adjusting part on a lens base, and pressing a lens pressing ring on the upper edge of the upper lens to be glued; under the gravity of the upper shell and the lower shell, the lens pressing ring is pushed upwards by the lens to be glued, and the elastic body is stressed and compressed.
S104: the pressure generated by the elastic body is used as a pretightening force to move the whole adjusting component, so that the upper lens in the lenses to be glued is moved, and finally the two lenses are adjusted to be coaxial.
In S101 provided by the embodiment of the present invention, a lens to be cemented is placed on a lens base, and a lower sheet is fixed by using a jackscrew, a claw, or negative pressure.
In S102 provided by the embodiment of the present invention, after the assembly is completed, the piston rod may move up and down and automatically reset under the pressure of the elastic body.
As shown in fig. 2-3, the cemented lens adjusting system provided by the embodiment of the invention is provided with a lens to be cemented, the lens to be cemented is provided with a lower lens 8 to be cemented and an upper lens 9 to be cemented, and the lower lens 8 to be cemented is located below the upper lens 9 to be cemented.
The lower lens 8 to be glued is placed on the lens base 1, and the edge of the upper lens 9 to be glued is pressed with the lens pressing ring 2.
The upper edge of the lens pressing ring 2 is provided with a piston ring 3, and the upper edge of the piston ring 3 is provided with a protective shell 6; an upper shell 5 is assembled at the upper end of the protective shell 6, a lower shell 4 is assembled at the lower end of the upper shell 5, and an elastic body 7 is assembled between the piston ring 3 and the protective shell 6.
The working principle of the invention is as follows: and placing the lens to be glued after glue kneading on a lens base 1, and assembling a lens pressing ring 2, a piston ring 3, an upper shell 4, a lower shell 5, a protective shell 6 and an elastic body 7 according to corresponding assembling relations. The assembled adjusting component is placed on the lens base 1, and the lens pressing ring 2 is pressed on the upper edge of the upper lens 9 to be glued in the lens to be glued; under the gravity of the lower shell 4 and the upper shell 5, the lens pressing ring 2 is pushed upwards by the lens to be glued, and the elastic body 7 is compressed under force. The pressure generated by the elastic body 7 is used as a pre-tightening force to move the whole adjusting component, so that the upper lens in the lenses to be glued is moved, and finally the two lenses are adjusted to be coaxial.
If one of the two mirrors of the lens to be cemented is large at the lower part and small at the upper part (as shown in figure 2), and the thickness of the small mirror at the upper part is thinner, the lens pressing ring is directly pressed on the upper surface of the lens at the upper part under the condition of not contacting the lens at the lower part, and the pretightening force of the elastic body is increased, so that the cemented lens can be adjusted in the same structural mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A method for controlling cemented lens adjustment, the method comprising the steps of:
step one, placing a lens to be glued after glue kneading on a lens base;
assembling the lens pressing ring, the piston ring, the upper shell, the lower shell, the protective shell and the elastic body according to corresponding assembling relations;
step three, the assembled adjusting part is placed on a lens base, and a lens pressing ring is pressed on the upper edge of the upper surface of the lens to be glued; under the gravity of the upper shell and the lower shell, the lens pressing ring is pushed upwards by the lens to be glued, and the elastic body is stressed and compressed;
and step four, the pressure generated by the elastic body is used as a pretightening force, the whole adjusting part is moved, so that the upper lens in the lens to be glued is moved, and finally the two lenses are adjusted to be coaxial.
2. A method for controlling the adjustment of a cemented lens according to claim 1 wherein in step one, the lens to be cemented is placed on the lens base and the lower piece is fixed by means of screws, claws or under pressure.
3. The method for controlling adjustment of a cemented lens as claimed in claim 1, wherein in step two, after the assembly is completed, the piston rod moves up and down and automatically resets under the pressure of the elastic body.
4. A cemented lens adjustment system that implements the cemented lens adjustment control method of any one of claims 1 to 3, characterized in that the cemented lens adjustment system is provided with:
the lens to be cemented is provided with a lower lens to be cemented and an upper lens to be cemented, and the lower lens to be cemented is positioned below the upper lens to be cemented;
the lower lens to be glued is placed on the lens base, and the lens pressing ring is pressed on the edge of the upper lens to be glued.
5. The cemented lens adjusting system as claimed in claim 4, wherein the lens clamping ring is provided with a piston ring on the upper side, and a protective casing is provided on the piston ring; the protective housing upper end is equipped with the shell, and the shell is equipped with down to last shell lower extreme, is equipped with the elastomer between piston ring and protective housing.
6. Use of a method for controlling the adjustment of a cemented lens according to any one of claims 1 to 3 in the manufacture and assembly of optical components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271633.1A CN111338047A (en) | 2020-04-08 | 2020-04-08 | Cemented lens adjusting system, control method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271633.1A CN111338047A (en) | 2020-04-08 | 2020-04-08 | Cemented lens adjusting system, control method and application |
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| Publication Number | Publication Date |
|---|---|
| CN111338047A true CN111338047A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010271633.1A Pending CN111338047A (en) | 2020-04-08 | 2020-04-08 | Cemented lens adjusting system, control method and application |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592864A (en) * | 2002-06-19 | 2005-03-09 | 精工爱普生株式会社 | Projection lens manufacturing apparatus, projection lens manufacturing method, projection lens manufactured by the projection lens manufacturing method and projector having the projection lens |
| CN202748545U (en) * | 2012-09-17 | 2013-02-20 | 山东神戎电子股份有限公司 | Disassembling and assembling tool for lens clamping ring |
| CN203299437U (en) * | 2013-05-27 | 2013-11-20 | 江苏宇迪光学股份有限公司 | Aperture deformation prevention device during binding of ultrathin lens |
| JP2014152075A (en) * | 2013-02-08 | 2014-08-25 | Topcon Corp | Method of centering cemented lens and manufacturing device for cemented lenz |
| CN206301067U (en) * | 2016-12-13 | 2017-07-04 | 北京德麦特捷康科技发展有限公司 | A kind of 20 times of cemented doublet camera lenses of portable electronic dermoscopy |
-
2020
- 2020-04-08 CN CN202010271633.1A patent/CN111338047A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592864A (en) * | 2002-06-19 | 2005-03-09 | 精工爱普生株式会社 | Projection lens manufacturing apparatus, projection lens manufacturing method, projection lens manufactured by the projection lens manufacturing method and projector having the projection lens |
| CN202748545U (en) * | 2012-09-17 | 2013-02-20 | 山东神戎电子股份有限公司 | Disassembling and assembling tool for lens clamping ring |
| JP2014152075A (en) * | 2013-02-08 | 2014-08-25 | Topcon Corp | Method of centering cemented lens and manufacturing device for cemented lenz |
| CN203299437U (en) * | 2013-05-27 | 2013-11-20 | 江苏宇迪光学股份有限公司 | Aperture deformation prevention device during binding of ultrathin lens |
| CN206301067U (en) * | 2016-12-13 | 2017-07-04 | 北京德麦特捷康科技发展有限公司 | A kind of 20 times of cemented doublet camera lenses of portable electronic dermoscopy |
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