CN104175192A - Multi-ring self-adaptive polishing grinding head - Google Patents
Multi-ring self-adaptive polishing grinding head Download PDFInfo
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- CN104175192A CN104175192A CN201410390349.0A CN201410390349A CN104175192A CN 104175192 A CN104175192 A CN 104175192A CN 201410390349 A CN201410390349 A CN 201410390349A CN 104175192 A CN104175192 A CN 104175192A
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- ring
- polishing
- grinding head
- flexible
- annulus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
- B24B13/012—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a multi-ring self-adaptive polishing grinding head, belongs to the technical field of optical cold working and solves the problems that in the conventional aspheric polishing technology, the surfaces of a grinding head and a workpiece are mismatched and mid-frequency errors cannot be inhibited. The multi-ring self-adaptive polishing grinding head comprises a flange shaft, a multi-ring rigid base, a flexible ring and a polishing ring, wherein the bottom of the flange shaft is fixed to the top of the multi-ring rigid base; a plurality of circular ring-shaped lug bosses with the same center are arranged at the bottom of the multi-ring rigid base; the flexible ring can be flexibly deformed and consists of a plurality of concentric circular rings; the top of the flexible ring is fixed to the circular ring-shaped lug bosses; the polishing ring consists of a plurality of concentric circular rings; the top of the polishing ring is fixed to the bottom of the flexible ring. According to the invention, through flexible deformation of the flexible ring, the grinding head can automatically compensate errors caused by a machine tool, resetting or a workpiece per se to realize high-quality aspheric polishing.
Description
Technical field
The present invention relates to a kind of how annular self adaptation grinding head for polishing, belong to optics cold processing technique field.
Background technology
Glossing in optics cold working, normally fits tightly pitch polishing grinding pan and surface of the work, does relative motion simultaneously, produces very large tangential force, the minute protrusions of glass surface is ground, thereby forms gradually smooth surface.But in this glossing, the radius of curvature that pitch polishing grinding pan cannot change with non-spherical surface adapts to, and therefore cannot carry out polishing to aspheric surface.
In contemporary optics shaping surface technology, conventionally use flexible polishing bistrique to carry out numerical control polishing to surface of the work.Flexible polishing bistrique generally includes flange shaft and is fixed on the polished die of flange shaft lower end.But this flexible polishing bistrique lacks rigidity and polishing path track is relatively fixing, therefore cannot effectively suppress intermediate frequency error, obtain high-precision aspherical optical element.
Summary of the invention
The object of the invention is to solve the surperficial problem of not mating, cannot suppress intermediate frequency error with surface of the work of bistrique in existing aspheric surface polishing technology, a kind of how annular self adaptation grinding head for polishing is provided.
The technical scheme that technical solution problem of the present invention is taked is as follows:
Many annular self adaptation grinding head for polishing, comprise flange shaft, also comprise, encircle stiff base, flexible ring and buffing ring more; The bottom of described flange shaft is fixed on the top of many ring stiff base; The bottom of described many ring stiff base is provided with has the identical center of circle and according to radius from small to large, a plurality of round ring boss that are arranged in order from inside to outside; Described flexible ring can plastic deformation, and flexible ring is by having the identical center of circle and according to radius from small to large, a plurality of annulus that are arranged in order from inside to outside form, and the top of flexible ring is fixed on the bottom of round ring boss; Described buffing ring is by having the identical center of circle and according to radius from small to large, and a plurality of annulus that are arranged in order from inside to outside form, and the top of buffing ring is fixed on the bottom of flexible ring, and the bottom surface of a plurality of annulus of described buffing ring has identical radius of curvature.
Further, the bottom surface of described a plurality of round ring boss has identical radius of curvature.
Further, the bottom surface of a plurality of annulus of described flexible ring has identical radius of curvature.
Further, described flange shaft is fixed in many ring stiff base by fastening bolt.
Further, the number of described fastening bolt is 3-6.
Further, the annulus of described flexible ring is corresponding one by one with round ring boss.
Further, the annulus of described flexible ring and the annulus of buffing ring are corresponding one by one.
Further, the material of described flexible ring is rubber or sponge.
Further, the material of described buffing ring is pitch or polyurethane.
Further, the material of described many ring stiff base is duralumin, hard alumin ium alloy or stainless steel.
Compared with prior art, the invention has the beneficial effects as follows:
Of the present invention how annular self adaptation grinding head for polishing, can be applied on all kinds of numerical-control polishing equipments, be particularly useful for aspheric surface polishing, by the plastic deformation of flexible ring, auto-compensation by lathe, debug or error that workpiece itself brings, by the quantity control of flexible ring and the distortion jointly producing with buffing ring, guarantee how mate in real time by annular with non-spherical surface for rubbing head, and on polissoir, realize whole aspheric surface polishing by the swing of rubbing head, effectively suppress non-spherical surface intermediate frequency error, improve non-spherical surface quality.
Accompanying drawing explanation
Fig. 1 is the profile of the how annular self adaptation grinding head for polishing of the present invention;
Fig. 2 is the upward view of the how annular self adaptation grinding head for polishing of the present invention;
In figure, 1, flange shaft 2, fastening bolt 3, encircle stiff base 4, flexible ring 5, buffing ring more.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1-2, of the present invention how annular self adaptation grinding head for polishing, comprises flange shaft 1, fastening bolt 2, encircles stiff base 3 more, flexible ring 4 and buffing ring 5.Wherein, flange shaft 1 is not particularly limited, and is the common frame for movement being connected with main shaft of numerical control machine tool in this area, and the top of flange shaft 1 is connected with main shaft of numerical control machine tool, how annular self adaptation grinding head for polishing is fixed on Digit Control Machine Tool, and the concrete size of flange shaft 1 matches with machine tool chief axis.Many ring stiff base 3 are generally disc structure, top is provided with groove, the size of groove coordinates with the bottom of flange shaft 1, the bottom of flange shaft 1 is fixed on the top of many ring stiff base 3 by fastening bolt 2, flange shaft 1 and many ring stiff base 3 can be synchronized with the movement, and the number of fastening bolt 2 is generally 3-6; The bottoms of many ring stiff base 3 be provided with have phase concentric and according to radius from small to large, a plurality of round ring boss of being arranged in order from inside to outside, the width of the round ring boss of different radii can be the same or different, the spacing of every adjacent two round ring boss can be the same or different, and the bottom surface of preferred all round ring boss has identical radius of curvature; All round ring boss can with many rings stiff base 3 integrated moldings; The number of round ring boss is determined according to practical application; The material of many ring stiff base 3 is metal material, as duralumin, hard alumin ium alloy or stainless steel.Flexible ring 4 is by having phase concentric according to radius from small to large, a plurality of annulus that are arranged in order from inside to outside form, the bottom surface of all annulus of preferred flexible ring 4 has identical radius of curvature, the top of flexible ring 4 is fixed on the bottom of round ring boss, can be fixed on all round ring boss, also can be fixed on part round ring boss, specifically the annulus number according to round ring boss and flexible ring 4 determines, when round ring boss identical with flexible ring 4 numbers, flexible ring 4 is fixed on all round ring boss, when the annulus number of flexible ring 4 is less than the number of round ring boss, flexible ring 4 is fixed on part round ring boss, a plurality of annulus of preferred flexible ring 4 are corresponding one by one with a plurality of round ring boss, and size coupling, on a round ring boss, fix the annulus of a flexible ring 4 coordinating with its radius, all annulus of flexible ring 4 are separately fixed on the round ring boss corresponding with it, fixed form generally adopts bonding fixing, flexible ring 4 is flexible material, is generally macromolecular material, as rubber or sponge.Buffing ring 5 is by having phase concentric according to radius from small to large, a plurality of annulus that are arranged in order from inside to outside form, the bottom surface of all annulus of buffing ring 5 has identical radius of curvature, and for contacting with surface of the work, the top of buffing ring 5 is fixed on the bottom of flexible ring 4, preferably a plurality of annulus of buffing ring 5 and a plurality of annulus of flexible ring 4 are corresponding one by one, and size matches, on the annulus of a flexible ring 4, fix the annulus of a buffing ring 5 coordinating with its radius, all annulus of buffing ring 5 are separately fixed on the annulus of the flexible ring corresponding with it 4, fixed form generally adopts bonding fixing, common plastic deformation, the assurance buffing ring 5 and non-spherical surface form fit of producing of flexible ring 4 and buffing ring 5, the material of buffing ring 5 is macromolecular material, as pitch or polyurethane.
During use, first the top of the flange shaft of above-mentioned how annular self adaptation grinding head for polishing 1 is connected with main shaft of numerical control machine tool, then controls how annular self adaptation grinding head for polishing and drop to non-spherical element surface, then open polishing fluid feed system and start to carry out polishing.Flexible ring 4 can produce plastic deformation, for compensating due to lathe, debuging or error that workpiece itself brings, and guarantees that buffing ring 5, when bistrique moves to aspheric surface diverse location, mates with non-spherical surface in real time, thus assurance quality of finish.
Obviously, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that the those of ordinary skill for described technical field, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. how annular self adaptation grinding head for polishing, comprises flange shaft (1), it is characterized in that, also comprises, encircles stiff base (3), flexible ring (4) and buffing ring (5) more;
The bottom of described flange shaft (1) is fixed on the top of many ring stiff base (3);
The bottom of described many ring stiff base (3) is provided with has the identical center of circle and according to radius from small to large, a plurality of round ring boss that are arranged in order from inside to outside;
Described flexible ring (4) can plastic deformation, and flexible ring (4) is by having the identical center of circle and according to radius from small to large, a plurality of annulus that are arranged in order from inside to outside form, and the top of flexible ring (4) is fixed on the bottom of round ring boss;
Described buffing ring (5) is by having the identical center of circle and according to radius from small to large, a plurality of annulus that are arranged in order from inside to outside form, the top of buffing ring (5) is fixed on the bottom of flexible ring (4), and the bottom surface of a plurality of annulus of described buffing ring (5) has identical radius of curvature.
2. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the bottom surface of described a plurality of round ring boss has identical radius of curvature.
3. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the bottom surface of a plurality of annulus of described flexible ring (4) has identical radius of curvature.
4. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, described flange shaft (1) is fixed in many ring stiff base (3) by fastening bolt (2).
5. according to claim 4 how annular self adaptation grinding head for polishing, is characterized in that, the number of described fastening bolt (2) is 3-6.
6. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the annulus of described flexible ring (4) is corresponding one by one with round ring boss.
7. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the annulus of described flexible ring (4) is corresponding one by one with the annulus of buffing ring (5).
8. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the material of described flexible ring (4) is rubber or sponge.
9. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the material of described buffing ring (5) is pitch or polyurethane.
10. according to claim 1 how annular self adaptation grinding head for polishing, is characterized in that, the material of described many ring stiff base (3) is duralumin, hard alumin ium alloy or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390349.0A CN104175192B (en) | 2014-08-08 | 2014-08-08 | Many annular self adaptation grinding head for polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390349.0A CN104175192B (en) | 2014-08-08 | 2014-08-08 | Many annular self adaptation grinding head for polishing |
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| Publication Number | Publication Date |
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| CN104175192A true CN104175192A (en) | 2014-12-03 |
| CN104175192B CN104175192B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410390349.0A Expired - Fee Related CN104175192B (en) | 2014-08-08 | 2014-08-08 | Many annular self adaptation grinding head for polishing |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290916A (en) * | 2015-10-29 | 2016-02-03 | 中国科学院长春光学精密机械与物理研究所 | Ultra-precise grinding head and using method thereof |
| CN107000154A (en) * | 2014-12-17 | 2017-08-01 | 奥林巴斯株式会社 | The machining tool of optical element and the manufacture method of optical element |
| CN107775453A (en) * | 2017-09-05 | 2018-03-09 | 上海现代先进超精密制造中心有限公司 | A kind of high-accuracy processing method of strip speculum |
| CN109202709A (en) * | 2018-11-21 | 2019-01-15 | 中国科学院光电技术研究所 | Air pressure control constant pressure self-adaptive polishing grinding head |
| CN110936288A (en) * | 2019-10-30 | 2020-03-31 | 重庆大学 | Electroplating polishing grinding head with flexible layer |
| CN111230662A (en) * | 2020-03-13 | 2020-06-05 | 浙江上风高科专风实业有限公司 | Noise reduction type sweep-bending combined axial flow blade production and processing equipment |
| CN111376142A (en) * | 2019-12-25 | 2020-07-07 | 苏州大学 | Numerical control milling, grinding, forming and polishing method and device for large-aperture aspherical mirror |
| CN112571203A (en) * | 2020-12-07 | 2021-03-30 | 中国科学院长春光学精密机械与物理研究所 | Deformable grinding and polishing disc |
Citations (5)
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|---|---|---|---|---|
| DE29608877U1 (en) * | 1996-05-17 | 1996-08-22 | Opto Tech Optikmaschinen GmbH, 35435 Wettenberg | Holder for optical lenses |
| CN2297280Y (en) * | 1997-05-02 | 1998-11-18 | 张建民 | Flexible grinding tools |
| CN101444897A (en) * | 2007-11-29 | 2009-06-03 | 株式会社荏原制作所 | Polishing apparatus and method |
| JP2010115767A (en) * | 2008-11-14 | 2010-05-27 | Haruchika Seimitsu:Kk | Processing plate correction method of spherical lens polishing machine, processing plate correction tool and spherical lens polishing machine |
| CN102528609A (en) * | 2011-12-30 | 2012-07-04 | 中国科学院长春光学精密机械与物理研究所 | Vibratory polishing grinding head |
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2014
- 2014-08-08 CN CN201410390349.0A patent/CN104175192B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29608877U1 (en) * | 1996-05-17 | 1996-08-22 | Opto Tech Optikmaschinen GmbH, 35435 Wettenberg | Holder for optical lenses |
| CN2297280Y (en) * | 1997-05-02 | 1998-11-18 | 张建民 | Flexible grinding tools |
| CN101444897A (en) * | 2007-11-29 | 2009-06-03 | 株式会社荏原制作所 | Polishing apparatus and method |
| JP2010115767A (en) * | 2008-11-14 | 2010-05-27 | Haruchika Seimitsu:Kk | Processing plate correction method of spherical lens polishing machine, processing plate correction tool and spherical lens polishing machine |
| CN102528609A (en) * | 2011-12-30 | 2012-07-04 | 中国科学院长春光学精密机械与物理研究所 | Vibratory polishing grinding head |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107000154A (en) * | 2014-12-17 | 2017-08-01 | 奥林巴斯株式会社 | The machining tool of optical element and the manufacture method of optical element |
| CN105290916A (en) * | 2015-10-29 | 2016-02-03 | 中国科学院长春光学精密机械与物理研究所 | Ultra-precise grinding head and using method thereof |
| CN107775453A (en) * | 2017-09-05 | 2018-03-09 | 上海现代先进超精密制造中心有限公司 | A kind of high-accuracy processing method of strip speculum |
| CN109202709A (en) * | 2018-11-21 | 2019-01-15 | 中国科学院光电技术研究所 | Air pressure control constant pressure self-adaptive polishing grinding head |
| CN110936288A (en) * | 2019-10-30 | 2020-03-31 | 重庆大学 | Electroplating polishing grinding head with flexible layer |
| CN110936288B (en) * | 2019-10-30 | 2021-04-27 | 重庆大学 | Electroplating polishing grinding head with flexible layer |
| CN111376142A (en) * | 2019-12-25 | 2020-07-07 | 苏州大学 | Numerical control milling, grinding, forming and polishing method and device for large-aperture aspherical mirror |
| CN111230662A (en) * | 2020-03-13 | 2020-06-05 | 浙江上风高科专风实业有限公司 | Noise reduction type sweep-bending combined axial flow blade production and processing equipment |
| CN111230662B (en) * | 2020-03-13 | 2021-01-26 | 浙江上风高科专风实业有限公司 | Noise reduction type sweep-bending combined axial flow blade production and processing equipment |
| CN112571203A (en) * | 2020-12-07 | 2021-03-30 | 中国科学院长春光学精密机械与物理研究所 | Deformable grinding and polishing disc |
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| Publication number | Publication date |
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| CN104175192B (en) | 2016-08-24 |
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