CN102909630A - Aspherical optical element fixture and processing method thereof - Google Patents
Aspherical optical element fixture and processing method thereof Download PDFInfo
- Publication number
- CN102909630A CN102909630A CN201210375588XA CN201210375588A CN102909630A CN 102909630 A CN102909630 A CN 102909630A CN 201210375588X A CN201210375588X A CN 201210375588XA CN 201210375588 A CN201210375588 A CN 201210375588A CN 102909630 A CN102909630 A CN 102909630A
- Authority
- CN
- China
- Prior art keywords
- optical element
- aspherical optical
- anchor clamps
- locating slot
- aspherical
- 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.)
- Pending
Links
Images
Abstract
The invention provides an aspherical optical element fixture and a processing method of the aspherical optical element. The aspherical optical element fixture comprises a fixture holder, wherein the lower end of the fixture holder can be cooperatively fixed with a main shaft of a milling and grinding machine; a locating slot of which the size is matched with the blank of the aspherical optical element is embedded on the top end of the fixture holder; and the upper edge of the locating slot is lower than the processing surface of the blank of the aspherical optical element. The invention also discloses a method for processing the aspherical optical element by the aspherical optical element fixture. The aspherical optical element fixture disclosed by the invention has a simple and reasonable structure, and can be used for effectively clamping the blank of the aspherical optical element, and the stability of the machining process of the blank of the aspherical optical element can be enhanced.
Description
Technical field
The present invention relates to the optical element process technology, relate in particular to a kind of aspherical optical element anchor clamps and aspherical optical element processing method.
Background technology
Along with the develop rapidly of optics industry, increasing high-accuracy optical instrument adopts aspherical optical element design optical system.Aspherical optical element can be relatively easy the multiple aberration of rectification, thereby obtain better imaging effect than the simple spherical optics element that uses; An aspherical optical element can replace a plurality of spherical optics elements, thereby simplifies apparatus structure, lowering apparatus cost, and effectively alleviate the instrument volume and weight.
In the prior art, aspherical optical element processing adopts computer-controlled milling and grinding machine, polishing machine that the aspherical optical element blank is carried out milling, correct grinding and polishing, and then obtains high-precision surface shape and surface roughness., the aspherical optical element blank need to be bonded on the anchor clamps before the aspherical optical element polishing at milling and grinding machine, then the anchor clamps screw thread be fixed or jackscrew is fixed on the main shaft of milling and grinding machine.Aspherical optical element can not adopt the centering edging to guarantee offset as the spherical optics element, can only lean on the clamp precision of bonding to guarantee eccentric tolerance.Existing anchor clamps can only lean on the precision of anchor clamps to feel relieved (centering refers to that optical axis overlaps as far as possible with mechanical axis, will satisfy the requirement of tolerance after the completion) when the processing aspherical optical element.Because the aspherical optical element blank only depends on and is adhesively fixed on the anchor clamps, small displacement easily occurs between aspherical optical element blank and anchor clamps in the milling process, can't keep the stable of process, cause the aspherical optical element of processing eccentric easily, and be difficult to correct.When processing deep camber (minor radius) optical element, this displacement is very little, because the center dead slot has the effect of clamping to the surface of deep camber, and when the optical element of machining small curvature radius (large radius), the displacement of aspherical optical element blank is large, center dead slot clamping does not live the element of large radius, causes the optical element of small curve to occur than large eccentricity, causes it can't satisfy instructions for use.
Design and research and development are the aspherical optical element anchor clamps more reasonably, to realize effective clamping aspherical optical element, especially improve the stability in the small curve aspherical optical element process, become a problem demanding prompt solution.
Summary of the invention
The object of the invention is to, for the problem that has relative motion between above-mentioned aspherical optical element and anchor clamps, propose a kind of aspherical optical element anchor clamps, to realize effective clamping aspherical optical element blank, strengthen the advantage of stability in the aspherical optical element process.
For achieving the above object, the technical solution used in the present invention is: a kind of aspherical optical element anchor clamps, comprise the clamping fixture seat that the lower end can be fixed with the milling and grinding machine main shaft, described clamping fixture seat top is embedded with the big or small locating slot that is complementary with the aspherical optical element blank, and the upper edge of described locating slot is lower than the machined surface of aspherical optical element blank.
Further, described clamping fixture seat is the column clamping fixture seat.
Further, described locating slot bottom is provided with through hole.
Further, described through hole is parallel with column clamping fixture seat axis.
Further, the cross section of described locating slot is circular.
Further, described aspherical optical element anchor clamps are ceramic anchor clamps, stainless steel anchor clamps or aluminium alloy anchor clamps.
Another object of the present invention also provides a kind of aspherical optical element processing method, can prepare the high accuracy aspherical optical element.
For achieving the above object, the technical solution used in the present invention is: a kind of aspherical optical element processing method may further comprise the steps:
A, employing binding agent are fixed on the non-machined surface of aspherical optical element blank in the locating slot;
B, then aspherical optical element anchor clamps screw thread is fixed or jackscrew is fixed on the main shaft of milling and grinding machine;
C, unlatching milling and grinding machine carry out milling processing to the aspherical optical element blank, obtain aspherical optical element.
Further, described locating slot bottom is provided with through hole, so that excessive binding agent flows in the through hole.
Further, described binding agent is pitch.
Aspherical optical element clamp structure of the present invention is simple, reasonable, setting by clamping fixture seat top locating slot, make the aspherical optical element blank in process, with the aspherical optical element anchor clamps relative motion not occur, can effectively solve the easy eccentric problem of aspherical optical element in the prior art, improve the polishing precision of aspherical optical element.Adopt the optical axis of the aspherical optical element that aspherical optical element anchor clamps clamping aspherical optical element blank of the present invention processing obtains and mechanical axis franchise in a micron.
Aspherical optical element anchor clamps of the present invention are applicable to the processing of aspherical optical element, especially are fit to clamping small curve (large radius) aspherical optical element.Described aspherical optical element anchor clamps can arrange according to the needs of aspherical optical element shape and the big or small locating slot that is complementary.
Description of drawings
Fig. 1 is the cutaway view of optical element fixture of the present invention.
The specific embodiment
Fig. 1 is the cutaway view of optical element fixture of the present invention.
The disclosed a kind of aspherical optical element anchor clamps of present embodiment, as shown in Figure 1, these aspherical optical element anchor clamps comprise clamping fixture seat, this clamping fixture seat is the column clamping fixture seat.
The clamping fixture seat lower end can be fixed with the milling and grinding machine main shaft, described clamping fixture seat top is embedded with the big or small locating slot 1 that is complementary with the aspherical optical element blank, the cross section of this locating slot 1 is circular, and the upper edge of described locating slot 1 is lower than the machined surface of aspherical optical element blank.Locating slot 1 bottom also is provided with the through hole 2 parallel with column clamping fixture seat axis.Disclosed aspherical optical element anchor clamps are the stainless steel anchor clamps in the present embodiment.
The upper edge of locating slot 1 is lower than the machined surface of aspherical optical element blank, makes the setting of locating slot 1 not affect the milling of aspherical optical element blank.Locating slot 1 bottom also is provided with the through hole parallel with column clamping fixture seat axis 2 and is used for discharging excessive binding agent.Be appreciated that described aspherical optical element anchor clamps can also be ceramic anchor clamps or aluminium alloy anchor clamps.
When these aspherical optical element anchor clamps use, the aspherical optical element blank is bonded and fixed in the locating slot of clamping fixture seat top, relative motion does not occur in aspherical optical element blank and aspherical optical element anchor clamps in the milling process, can effectively solve the easy eccentric problem of aspherical optical element in the prior art, improve the polishing precision of aspherical optical element.
Present embodiment adopts the method for embodiment 1 described optical element fixture processing aspherical optical element, may further comprise the steps:
A, employing binding agent are fixed on the non-machined surface of aspherical optical element blank in the locating slot;
B, then aspherical optical element anchor clamps screw thread is fixed on the main shaft of milling and grinding machine;
C, unlatching milling and grinding machine carry out milling processing to the aspherical optical element blank, obtain aspherical optical element.
The binding agent that present embodiment adopts is pitch, and excessive pitch can flow in the through hole in the bonding process, pastes smooth to guarantee the optical element blank;
Adopt the optical axis of the aspherical optical element that aspherical optical element anchor clamps clamping aspherical optical element blank of the present invention processing obtains and mechanical axis franchise in a micron.Aspherical optical element anchor clamps of the present invention are applicable to the processing of aspherical optical element, especially are fit to clamping small curve aspherical optical element.Described aspherical optical element anchor clamps can arrange according to the needs of aspherical optical element shape and the big or small locating slot that is complementary.
The present invention is not limited to the described aspherical optical element anchor clamps of above-described embodiment, and wherein the change of the change of the shape of locating slot, size, clamping fixture seat bottom shape is all within protection scope of the present invention.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. aspherical optical element anchor clamps, comprise the clamping fixture seat that the lower end can be fixed with the milling and grinding machine main shaft, it is characterized in that, described clamping fixture seat top is embedded with the big or small locating slot that is complementary with the aspherical optical element blank, and the upper edge of described locating slot is lower than the machined surface of aspherical optical element blank.
2. described aspherical optical element anchor clamps according to claim 1 is characterized in that described clamping fixture seat is the column clamping fixture seat.
3. described aspherical optical element anchor clamps according to claim 1 is characterized in that described locating slot bottom is provided with through hole.
4. described aspherical optical element anchor clamps according to claim 3 is characterized in that described through hole is parallel with column clamping fixture seat axis.
5. described aspherical optical element anchor clamps according to claim 1 is characterized in that, the cross section of described locating slot is circular.
6. described aspherical optical element anchor clamps according to claim 1 is characterized in that described aspherical optical element anchor clamps are ceramic anchor clamps, stainless steel anchor clamps or aluminium alloy anchor clamps.
7. an aspherical optical element processing method is characterized in that, adopts the described aspherical optical element anchor clamps of claim 1-6 any one, may further comprise the steps:
A, employing binding agent are fixed on the non-machined surface of aspherical optical element blank in the locating slot;
B, then aspherical optical element anchor clamps screw thread is fixed or jackscrew is fixed on the main shaft of milling and grinding machine;
C, unlatching milling and grinding machine carry out milling processing to the aspherical optical element blank, obtain aspherical optical element.
8. described aspherical optical element processing method according to claim 7 is characterized in that described locating slot bottom is provided with through hole, so that excessive binding agent flows in the through hole.
9. according to claim 7 or 8 described aspherical optical element processing methods, it is characterized in that described binding agent is pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375588XA CN102909630A (en) | 2012-09-29 | 2012-09-29 | Aspherical optical element fixture and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210375588XA CN102909630A (en) | 2012-09-29 | 2012-09-29 | Aspherical optical element fixture and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102909630A true CN102909630A (en) | 2013-02-06 |
Family
ID=47608337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210375588XA Pending CN102909630A (en) | 2012-09-29 | 2012-09-29 | Aspherical optical element fixture and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102909630A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493663A (en) * | 2014-12-30 | 2015-04-08 | 上海现代先进超精密制造中心有限公司 | High-precision processing method of polarizing prism |
| CN105538087A (en) * | 2015-12-04 | 2016-05-04 | 天津津航技术物理研究所 | Multifunctional numerical-control spherical optical element milling and grinding tool |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1255400A1 (en) * | 1984-11-19 | 1986-09-07 | Предприятие П/Я В-2038 | Method of locking optical components |
| US5474489A (en) * | 1991-03-27 | 1995-12-12 | D.A.C., Inc. | Lens blocking and constant center thickness system |
| JPH1119858A (en) * | 1997-06-27 | 1999-01-26 | Canon Inc | Collet chuck for rough rubbing work |
| DE19812186C2 (en) * | 1998-03-19 | 2000-12-21 | Optotech Optikmasch Gmbh | Lens holder |
| DE10044872A1 (en) * | 2000-09-12 | 2002-04-04 | Optotech Optikmasch Gmbh | Method for polishing optical lenses involves supporting lens resiliently through vacuum against base body of lens holder to contact polishing tool with springs applying polishing contact pressure |
| JP2002283203A (en) * | 2001-03-26 | 2002-10-03 | Canon Inc | Rough cutting combined grinding wheel co-used for chamfering processing and processing method of optical element |
| US20060073771A1 (en) * | 2003-03-11 | 2006-04-06 | Roland Mandler | Method and device for producing ophthalmic lenses and other shaped bodies with optically active surfaces |
| CN201098823Y (en) * | 2007-08-20 | 2008-08-13 | 吴迪富 | Device of lower swing machine tool for processing double-protruding thick-edge lens |
| CN101269473A (en) * | 2008-04-30 | 2008-09-24 | 嘉兴蓝特光学有限公司 | Method for circular spherical optics lens centering |
| CN201493728U (en) * | 2009-09-11 | 2010-06-02 | 南京茂莱光电有限公司 | Lens fine grinding clamp seat with adjustable clamp precision |
| CN202894932U (en) * | 2012-09-29 | 2013-04-24 | 长春理工大学 | Aspheric optical element clamp |
-
2012
- 2012-09-29 CN CN201210375588XA patent/CN102909630A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1255400A1 (en) * | 1984-11-19 | 1986-09-07 | Предприятие П/Я В-2038 | Method of locking optical components |
| US5474489A (en) * | 1991-03-27 | 1995-12-12 | D.A.C., Inc. | Lens blocking and constant center thickness system |
| JPH1119858A (en) * | 1997-06-27 | 1999-01-26 | Canon Inc | Collet chuck for rough rubbing work |
| DE19812186C2 (en) * | 1998-03-19 | 2000-12-21 | Optotech Optikmasch Gmbh | Lens holder |
| DE10044872A1 (en) * | 2000-09-12 | 2002-04-04 | Optotech Optikmasch Gmbh | Method for polishing optical lenses involves supporting lens resiliently through vacuum against base body of lens holder to contact polishing tool with springs applying polishing contact pressure |
| JP2002283203A (en) * | 2001-03-26 | 2002-10-03 | Canon Inc | Rough cutting combined grinding wheel co-used for chamfering processing and processing method of optical element |
| US20060073771A1 (en) * | 2003-03-11 | 2006-04-06 | Roland Mandler | Method and device for producing ophthalmic lenses and other shaped bodies with optically active surfaces |
| CN201098823Y (en) * | 2007-08-20 | 2008-08-13 | 吴迪富 | Device of lower swing machine tool for processing double-protruding thick-edge lens |
| CN101269473A (en) * | 2008-04-30 | 2008-09-24 | 嘉兴蓝特光学有限公司 | Method for circular spherical optics lens centering |
| CN201493728U (en) * | 2009-09-11 | 2010-06-02 | 南京茂莱光电有限公司 | Lens fine grinding clamp seat with adjustable clamp precision |
| CN202894932U (en) * | 2012-09-29 | 2013-04-24 | 长春理工大学 | Aspheric optical element clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493663A (en) * | 2014-12-30 | 2015-04-08 | 上海现代先进超精密制造中心有限公司 | High-precision processing method of polarizing prism |
| CN104493663B (en) * | 2014-12-30 | 2016-08-24 | 上海现代先进超精密制造中心有限公司 | The high-accuracy processing method of ahrens prism |
| CN105538087A (en) * | 2015-12-04 | 2016-05-04 | 天津津航技术物理研究所 | Multifunctional numerical-control spherical optical element milling and grinding tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102172866B (en) | Local pressure controllable planar optical element polishing device | |
| CN103624271B (en) | Hollow shaft processing automatic correction method and device | |
| CN102873383B (en) | Processing method of nonmetal special-shaped rudder sheet and clamp for processing | |
| CN102672477A (en) | Cutter working angle adjusting device | |
| CN106425589A (en) | Ultrathin piece clamping tool | |
| CN103433768A (en) | Turning clamp for microscope hinge base | |
| CN103182652B (en) | Clamping method and device for cutting junction surface of semi-open thin-wall container | |
| CN102756329A (en) | Inserting core grinding clamp for optical fiber movable connector as well as grinding device | |
| CN102909630A (en) | Aspherical optical element fixture and processing method thereof | |
| CN103111630A (en) | Machining method of curved surface prism Fery prism | |
| CN202894932U (en) | Aspheric optical element clamp | |
| CN203471538U (en) | Honing head with multiple oilstone protection wings | |
| CN102601693A (en) | Fixture for grinding eccentric inner bores | |
| CN104395022B (en) | For the holder of cutting tool | |
| CN209036043U (en) | A kind of cylindrical outer side surface Milling Process positioning fixture | |
| CN103212722B (en) | A kind of processing method of fery's prism | |
| CN102922340A (en) | Machining fixture | |
| CN106141851A (en) | A kind of processing method of circular cylindrical mirror | |
| CN208556730U (en) | A kind of fixture of double end faces of oil pump rotor processing | |
| CN208005239U (en) | A kind of eccentric bushing processing unit (plant) | |
| CN105058236A (en) | Clamping tool for cylindrical workpiece | |
| CN107790743B (en) | It is a kind of for processing the positioning anti-sinking device and its processing method of automobile brake drum | |
| CN205465723U (en) | Cylindrical grinder tailstock micromatic setting | |
| CN206286856U (en) | A kind of superthin section clamping tool | |
| CN203993290U (en) | Connecting rod screwed hole vehicle clamper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130206 |