CN112882185A - Glue joint fixing structure and fixing method suitable for adjustable lens group of reflecting system - Google Patents
Glue joint fixing structure and fixing method suitable for adjustable lens group of reflecting system Download PDFInfo
- Publication number
- CN112882185A CN112882185A CN202110088643.6A CN202110088643A CN112882185A CN 112882185 A CN112882185 A CN 112882185A CN 202110088643 A CN202110088643 A CN 202110088643A CN 112882185 A CN112882185 A CN 112882185A
- Authority
- CN
- China
- Prior art keywords
- mirror
- adjustable
- reflector
- group
- seat
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a cementing fixing structure suitable for an adjustable mirror group of a reflecting system, wherein the reflecting system comprises a main mirror assembly and an adjustable secondary mirror group, the adjustable secondary mirror group comprises a mirror bracket (5), a mirror seat (6), a secondary mirror (3) and a nesting sleeve (7), the nesting sleeve (7) is coaxially fixed on the inner wall of one end of the mirror bracket (5), the secondary mirror (3) is arranged on the mirror seat (6), the mirror seat (6) is arranged in the nesting sleeve (7) through gluing, and at the moment, the secondary mirror (3) is arranged in the mirror bracket (5). The splicing fixing mode adopted by the invention allows no initial connection between the reflector group and the reflector bracket, so that the reflector group can be freely adjusted in five dimensions in space by using the adjusting tool, and the whole efficiency of reflector group adjustment is further improved.
Description
Technical Field
The invention belongs to the technical field of precise adjustment of an optical system with high imaging quality, and relates to a glue joint fixing structure and a fixing method suitable for an adjustable lens group of a reflecting system.
Background
A typical reflective system, such as a cassegrain optical system, is composed of a primary mirror assembly and an adjustable secondary mirror set, as shown in fig. 1, the secondary mirror serves as an adjustable mirror set during installation and adjustment, and the spatial pose thereof is precisely adjusted to ensure that the system performance meets design expectations. In a common card type system optical machine design, a secondary mirror assembly (a secondary reflector and a secondary mirror frame) is in contact with and positioned on the end face of a secondary mirror frame, the secondary mirror is translated through a screw hole or adjusted by adding a copper sheet pad on the end face to incline the secondary mirror, and the secondary mirror assembly is fastened by using screws after the adjustment is finished. The method has the main problems that after adjustment is finished, screw fixation often brings obvious stress action, the pose adjusted by the secondary mirror is changed again, image quality is changed, and residual stress causes hidden danger to the reliability of the system.
In the development of a certain project, the applicant adopts the structural style shown in fig. 2, the secondary lens assembly is temporarily fixed on the secondary lens frame by using an adjusting tool, the adjustment is carried out through a thread and a ball head pair, after the adjustment is finished, silicon rubber is filled and sealed in a gap between the secondary lens frame and the secondary lens frame, and after the silicon rubber is completely cured, the adjusting tool is detached. The method improves the precision and efficiency of adjustment, but the rigidity of the secondary mirror assembly bonded by the silicon rubber is poor, and practices prove that the image quality of the product is obviously reduced and the adhesive layer is aged after the product is transported, tested and placed for a period of time, so that the quality and reliability of the product are greatly influenced.
Disclosure of Invention
Objects of the invention
Aiming at the problems existing in the assembly and fixation of the adjustable lens group in the reflecting system, the gluing fixation structure and the gluing fixation method suitable for the adjustable lens group of the reflecting system are provided, the problem that the adjustable lens group of the reflecting system is reliably, efficiently and fixedly connected with a reflector bracket under low stress after the position posture adjustment is finished is solved, and a method which is high in efficiency, reasonable and feasible is provided for realizing the reliable and low-stress connection and fixation of the adjustable lens group of the reflecting system.
(II) technical scheme
In order to solve the technical problem, the invention provides a glue joint fixing structure suitable for an adjustable mirror group of a reflecting system, the reflecting system comprises a main mirror assembly and an adjustable secondary mirror group, the adjustable secondary mirror group comprises a mirror bracket 5, a mirror seat 6, a secondary mirror 3 and a nesting 7, the nesting 7 is coaxially fixed on the inner wall of one end of the mirror bracket 5, the secondary mirror 3 is arranged on the mirror seat 6, the mirror seat 6 is arranged in the nesting 7 through gluing, and at the moment, the secondary mirror 3 is arranged in the mirror bracket 5.
A gap is reserved between the secondary reflector 3 and the reflector frame 5, and ultraviolet glue is used for realizing glue joint.
The reflector base 6 is cylindrical, a circular table 6-1 protrudes from one side of the reflector base, and the secondary reflector 3 is fixed on the circular table 6-1.
The circular truncated cone 6-1 is provided with two rings of annular sol grooves 6-2, bonding glue is filled in the sol grooves, and the secondary reflector 3 is coaxially glued on the circular truncated cone 6-1 of the reflector base 6.
Wherein, the inner hole of the reflector bracket 5 is fixed with the nesting 7 through screw threads.
Wherein the clearance between the mirror mount 6 and the nest 7 is no more than 0.2 mm.
Wherein, the depth of the part to be glued of the reflector seat 6 and the nest 7 is not more than 10 mm.
The invention also provides a glue joint fixing method of the glue joint fixing structure suitable for the adjustable lens group of the reflecting system, which comprises the following steps:
s1: the nesting 7 is coaxially assembled and fixed on the reflector bracket 5;
s2: ultraviolet glue is coated on the outer surface of the cylinder of the reflector seat 6, and the secondary adjustable reflector group is erected in thin-wall round holes of the reflector frame 5 and the nest 7 through an adjusting tool;
s3: adjusting the spatial pose of the adjustable secondary reflector group until the system requirement is met, and fixing the position of the adjustable secondary reflector group by using an adjusting tool;
s4: and curing the ultraviolet glue by using an ultraviolet glue curing device to finish the glue-bonding fixing operation of the secondary adjustable reflector group.
Wherein, the nesting 7 is fixed on the reflector bracket 5 through screw connection; the secondary reflector 3 is coaxially glued to the reflector mount 6.
Wherein the clearance between the reflector base 6 and the nest 7 is not more than 0.2 mm; the depth of the part to be glued of the reflector seat 6 and the nest 7 is not more than 10 mm.
(III) advantageous effects
The gluing fixing structure and the fixing method suitable for the adjustable lens group of the reflecting system provided by the technical scheme have the beneficial effects that:
1) the splicing fixing mode adopted by the invention allows no initial connection between the reflector group and the reflector bracket, so that the reflector group can be freely adjusted in five dimensions in space by using the adjusting tool, and the whole efficiency of reflector group adjustment is further improved.
2) The invention adopts high-strength ultraviolet structural adhesive to fixedly connect the optical machine components, realizes low-stress solid connection and ensures that the components have better rigidity.
3) The optical-mechanical assembly fixedly connected by glue joint has good reliability and can adapt to long-term use of products.
4) By means of the nested design, the detachability of the mirror assembly in special cases is achieved.
5) The method has the characteristics of short fixing time, good structural rigidity, low stress and the like.
Drawings
FIG. 1 is a diagram of an optical-mechanical structure of a Cassegrain reflection system with an adjustable mirror group
FIG. 2 is a schematic view of the adjustable secondary lens assembly fixed by silicone rubber bonding in a project
FIG. 3 is a schematic diagram of the glue joint structure of the adjustable secondary reflector assembly
FIG. 4 is a block diagram of the mirror mount shown in FIG. 3
In the figure: 3. a secondary mirror; 5. a mirror frame; 6. a reflector base; 6-1, a circular truncated cone; 6-2, an annular sol groove; 7. and (4) nesting.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1, 3 and 4, the present invention is suitable for the gluing fixing structure of the adjustable mirror group of the reflecting system, the reflecting system comprises a primary mirror assembly and an adjustable secondary mirror group, the adjustable secondary mirror group comprises a mirror bracket 5, a mirror seat 6, a secondary mirror 3 and a nesting 7, the nesting 7 is coaxially fixed on the inner wall of one end of the mirror bracket 5, the secondary mirror 3 is installed on the mirror seat 6, the mirror seat 6 is installed in the nesting 7 by gluing, and meanwhile, the secondary mirror 3 is installed in the mirror bracket 5.
A gap is reserved between the secondary reflector 3 and the reflector bracket 5, and ultraviolet glue is utilized to realize glue joint; the reflector base 6 is cylindrical, a circular table 6-1 is protruded from one side of the reflector base, two rings of annular sol grooves 6-2 are formed in the circular table 6-1, bonding glue is filled in the sol grooves, and the secondary reflector 3 is coaxially glued on the circular table 6-1 of the reflector base 6; the inner hole of the reflector bracket 5 is fixed with a nest 7 through threads; the clearance between the reflector seat 6 and the nesting 7 is not more than 0.2 mm; the depth of the part to be glued of the reflector seat 6 and the nest 7 is not more than 10 mm.
Based on the above-mentioned gluing fixing structure for adjustable lens set of reflective system, the present invention further provides a gluing fixing method for adjustable lens set of reflective system, comprising the following steps:
s1: the nesting 7 is coaxially assembled and fixed on the reflector bracket 5; the nest 7 is preferably secured to the mirror support 5 by a threaded connection.
S2: ultraviolet glue is coated on the outer surface of the cylinder of the reflector seat 6, and the secondary adjustable reflector group is erected in thin-wall round holes of the reflector frame 5 and the nest 7 through an adjusting tool;
s3: adjusting the spatial pose of the adjustable secondary reflector group until the system requirement is met, and fixing the position of the adjustable secondary reflector group by using an adjusting tool;
s4: and curing the ultraviolet glue by using an ultraviolet glue curing device to finish the glue-bonding fixing operation of the secondary adjustable reflector group.
According to the technical scheme, the ultraviolet glue is used as the bonding curing agent, the secondary lens base with a special structural form is optimally designed, the bonding nesting is additionally arranged in the secondary lens frame, the ultraviolet glue is filled between the secondary lens base and the nesting in advance, and after the secondary lens assembly is adjusted by the adjusting tool, the secondary lens base and the nesting are bonded and fixed through a special process method.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a fixed knot that splices suitable for adjustable mirror group of reflection system, reflection system include primary mirror subassembly and adjustable secondary mirror group, its characterized in that, adjustable secondary mirror group includes speculum holder (5), speculum seat (6), secondary mirror (3) and nestification (7), and nestification (7) are coaxial to be fixed on the inner wall of speculum holder (5) one end, and secondary mirror (3) are installed on speculum seat (6), and speculum seat (6) are installed in nestification (7) through gluing, and at this moment, secondary mirror (3) are packed into in speculum holder (5).
2. The gluing and fixing structure for adjustable mirror groups of reflective systems according to claim 1, wherein a gap is provided between the secondary mirror (3) and the mirror frame (5), and the gluing and fixing is performed by means of uv glue.
3. The gluing and fixing structure for adjustable mirror groups of a reflective system according to claim 2, wherein said mirror base (6) is cylindrical with a truncated cone (6-1) protruding from one side, and the secondary mirror (3) is fixed to the truncated cone (6-1).
4. The gluing fixture structure for adjustable mirror groups of a reflective system according to claim 3, wherein said circular platform (6-1) is provided with two rings of annular glue-dissolving grooves (6-2) filled with glue, and said secondary mirror (3) is coaxially glued to said circular platform (6-1) of said mirror base (6).
5. Cemented mounting arrangement for an adjustable mirror system according to claim 1, characterised in that the inner aperture of the mirror support (5) is screwed into the nest (7).
6. The cemented mounting structure for an adjustable mirror assembly in a reflective system according to claim 1, characterized in that the gap between the mirror base (6) and the nest (7) is not more than 0.2 mm.
7. The gluing fixture for adjustable mirror arrays in accordance with claim 1, wherein the depth of the portion of the mirror base (6) to be glued to the nest (7) is not more than 10 mm.
8. The method for adhesively fixing a structure for adhesively fixing an adjustable mirror assembly of a reflective system as defined in any one of claims 1 to 7, comprising the steps of:
s1: the nesting (7) is coaxially assembled and fixed on the reflector bracket (5);
s2: ultraviolet glue is coated on the outer surface of the cylinder of the reflector seat (6), and the secondary adjustable reflector group is erected in thin-wall round holes of the reflector frame (5) and the nest (7) through an adjusting tool;
s3: adjusting the spatial pose of the adjustable secondary reflector group until the system requirement is met, and fixing the position of the adjustable secondary reflector group by using an adjusting tool;
s4: and curing the ultraviolet glue by using an ultraviolet glue curing device to finish the glue-bonding fixing operation of the secondary adjustable reflector group.
9. The glued fixation structure for adjustable mirror assemblies of a reflective system according to claim 8, wherein said nest (7) is fixed to the mirror support (5) by means of a threaded connection; the secondary reflector (3) is coaxially glued on the reflector seat (6).
10. The cemented mounting structure for an adjustable mirror assembly according to claim 8, characterized in that the gap between the mirror base (6) and the nest (7) is not more than 0.2 mm; the depth of the part to be glued of the reflector seat (6) and the nesting sleeve (7) is not more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088643.6A CN112882185B (en) | 2021-01-22 | 2021-01-22 | Glue joint fixing structure and fixing method suitable for adjustable lens group of reflection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088643.6A CN112882185B (en) | 2021-01-22 | 2021-01-22 | Glue joint fixing structure and fixing method suitable for adjustable lens group of reflection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112882185A true CN112882185A (en) | 2021-06-01 |
| CN112882185B CN112882185B (en) | 2023-03-03 |
Family
ID=76050196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110088643.6A Active CN112882185B (en) | 2021-01-22 | 2021-01-22 | Glue joint fixing structure and fixing method suitable for adjustable lens group of reflection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112882185B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0973055A2 (en) * | 1998-07-16 | 2000-01-19 | Xerox Corporation | Scanline bow adjustment |
| JP2000227565A (en) * | 1999-02-05 | 2000-08-15 | Asahi Optical Co Ltd | Reflection mirror fixing structure and reflection mirror optical system |
| CN101566718A (en) * | 2009-06-05 | 2009-10-28 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting structure for the back of reflecting mirror |
| CN102262281A (en) * | 2011-08-02 | 2011-11-30 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting mechanism for space remote sensor reflector |
| CN103529537A (en) * | 2013-10-21 | 2014-01-22 | 中国科学院光电技术研究所 | Support structure for planar reflection mirror on movement platform |
| CN104267479A (en) * | 2014-09-22 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Space camera secondary mirror support structure |
| CN104749741A (en) * | 2015-03-23 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Method for gluing two seams of spatial reflector |
| CN206161945U (en) * | 2016-11-16 | 2017-05-10 | 孝感华中精密仪器有限公司 | Novel card formula collimator device |
| CN108254852A (en) * | 2018-03-23 | 2018-07-06 | 中国科学院光电研究院 | A kind of primary mirror mount structure for space camera |
| US20180210166A1 (en) * | 2017-01-25 | 2018-07-26 | Flir Systems, Inc. | Mounting optical elements in optical systems |
| CN108594399A (en) * | 2018-06-08 | 2018-09-28 | 中国科学院西安光学精密机械研究所 | A kind of support construction and support component of large caliber reflecting mirror |
| CN109343197A (en) * | 2018-11-26 | 2019-02-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of adhering method and mirror assembly of mirror assembly |
| CN111352207A (en) * | 2020-04-07 | 2020-06-30 | 西安应用光学研究所 | Optical machine adjusting method based on card type optical system |
| CN111505791A (en) * | 2020-06-04 | 2020-08-07 | 江苏北方湖光光电有限公司 | Six-degree-of-freedom secondary lens adjusting device |
| CN111650716A (en) * | 2020-05-09 | 2020-09-11 | 中国科学院西安光学精密机械研究所 | Surface-shaped high-stability reflector and assembling method thereof |
-
2021
- 2021-01-22 CN CN202110088643.6A patent/CN112882185B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0973055A2 (en) * | 1998-07-16 | 2000-01-19 | Xerox Corporation | Scanline bow adjustment |
| JP2000227565A (en) * | 1999-02-05 | 2000-08-15 | Asahi Optical Co Ltd | Reflection mirror fixing structure and reflection mirror optical system |
| CN101566718A (en) * | 2009-06-05 | 2009-10-28 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting structure for the back of reflecting mirror |
| CN102262281A (en) * | 2011-08-02 | 2011-11-30 | 中国科学院长春光学精密机械与物理研究所 | Flexible supporting mechanism for space remote sensor reflector |
| CN103529537A (en) * | 2013-10-21 | 2014-01-22 | 中国科学院光电技术研究所 | Support structure for planar reflection mirror on movement platform |
| CN104267479A (en) * | 2014-09-22 | 2015-01-07 | 中国科学院西安光学精密机械研究所 | Space camera secondary mirror support structure |
| CN104749741A (en) * | 2015-03-23 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Method for gluing two seams of spatial reflector |
| CN206161945U (en) * | 2016-11-16 | 2017-05-10 | 孝感华中精密仪器有限公司 | Novel card formula collimator device |
| US20180210166A1 (en) * | 2017-01-25 | 2018-07-26 | Flir Systems, Inc. | Mounting optical elements in optical systems |
| CN108254852A (en) * | 2018-03-23 | 2018-07-06 | 中国科学院光电研究院 | A kind of primary mirror mount structure for space camera |
| CN108594399A (en) * | 2018-06-08 | 2018-09-28 | 中国科学院西安光学精密机械研究所 | A kind of support construction and support component of large caliber reflecting mirror |
| CN109343197A (en) * | 2018-11-26 | 2019-02-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of adhering method and mirror assembly of mirror assembly |
| CN111352207A (en) * | 2020-04-07 | 2020-06-30 | 西安应用光学研究所 | Optical machine adjusting method based on card type optical system |
| CN111650716A (en) * | 2020-05-09 | 2020-09-11 | 中国科学院西安光学精密机械研究所 | Surface-shaped high-stability reflector and assembling method thereof |
| CN111505791A (en) * | 2020-06-04 | 2020-08-07 | 江苏北方湖光光电有限公司 | Six-degree-of-freedom secondary lens adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112882185B (en) | 2023-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110244431B (en) | Flexible supporting structure for reflector of space camera | |
| CN109343197A (en) | A kind of adhering method and mirror assembly of mirror assembly | |
| CN109343198A (en) | A kind of microstress adhesive asserably method for large-diameter non-spherical reflecting mirror | |
| CN112882185B (en) | Glue joint fixing structure and fixing method suitable for adjustable lens group of reflection system | |
| KR101524541B1 (en) | A Assembly Method of Reflective Optical System | |
| CN107976767B (en) | Infrared lens precise centering device and method based on low-stress clamping | |
| CN206133098U (en) | Support arrangement for secondary reflector among coaxial catoptric system | |
| CN110515277A (en) | A kind of module of optical system suitable for laser direct-writing exposure sources | |
| CN111571498B (en) | Device for assembling multiband detector chip | |
| CN213023919U (en) | Reflector adjusting mechanism for projection optical machine, projection optical machine and projector | |
| CN112445057B (en) | Reflector adjusting mechanism, projection optical machine and projector | |
| CN210788027U (en) | Ultraviolet curing device for lens gluing | |
| CN112882186B (en) | Welding fixing structure and fixing method suitable for adjustable reflector group | |
| CN109471234B (en) | Jig for cementing lens and positioning cementing method | |
| CN103244849A (en) | Light source device emitting collimating parallel light | |
| CN220584466U (en) | Optical cemented lens clamp | |
| CN202615019U (en) | An optical adjusting device of a laser detecting device | |
| CN112246561B (en) | Radial adjusting and fastening device for machining of ultra-precise optical grazing incidence reflector | |
| CN110908069A (en) | Unstressed reflector base fixing device and assembling method | |
| CN213843684U (en) | Laser test device without dark space | |
| CN215986682U (en) | Lens adjusting device for closed system | |
| CN114815131B (en) | Flexible supporting structure suitable for medium and small-caliber space reflector | |
| CN213515639U (en) | Pendulum body core device of laser demarcation device | |
| CN210294673U (en) | Azimuth axis safety braking protection structure for large-caliber telescope assembly equipment | |
| CN220820343U (en) | Lens and bonded lens |
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 |