CN102896568B - Aspheric surface processing device and processing method - Google Patents
Aspheric surface processing device and processing method Download PDFInfo
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- CN102896568B CN102896568B CN201210336709.XA CN201210336709A CN102896568B CN 102896568 B CN102896568 B CN 102896568B CN 201210336709 A CN201210336709 A CN 201210336709A CN 102896568 B CN102896568 B CN 102896568B
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Abstract
The invention provides an aspheric surface processing device which comprises a numerical control grinder. A vacuum clamping sucking disc is installed on a main shaft of the numerical control grinder, an abrasive wheel of the numerical control grinder is a cylindrical abrasive wheel, the abrasive wheel is provided with two end feet, the numerical control grinder further comprises an index plate, the two end feet of the abrasive wheel are connected with the index plate through a link mechanism, and when the index plate rotates, an inclination angle of the abrasive wheel can be adjusted. The invention further provides a method for processing an aspheric surface. The method comprises installing a workpiece on the vacuum clamping sucking disc and fixedly installing the cylindrical abrasive wheel on the index plate through the link mechanism; setting processing parameters of the workpiece, rotating the index plate to adjust the inclination angle between the abrasive wheel and the workpiece, starting the numerical control grinder, enabling the workpiece to do rotation movement, grinding the workpiece by using the cylindrical abrasive wheel and cooling and lubricating through cutting liquid; and conducting polishing treatment on the workpiece. By means of the aspheric surface processing device and the method, processing cost is reduced, and processing efficiency is guaranteed.
Description
Technical field
The present invention relates to aspheric surface processing technology field, special, refer to a kind of aspherical mirror machining equipment and adopt this aspherical mirror machining equipment to process aspheric method.
Background technology
At present, the production method that domestic and international aspherical mirror machining mainly adopts is compression moulding, processes aspherical glass by pressed film method, first necessarily has a series of auxiliary facilities such as large-scale hot moulding lathe, necessarily has ultraprecise Mould Machining ability in addition.This processing method, producing cost is expensive, is not suitable for small batch and produces.Due to optical characteristics and the effect of expanding with heat and contract with cold of glass material, aspherical glass surface smoothness and the face type of production are all imperfect.
Secondly, domestic a lot of producer and the universities and colleges also transformation of test numerical control machine tool carry out production aspheric surface, but optical glass and nonmetallic materials hardness is high, fragility is large, thermal conductivity is frangible slowly and large to wear of diamond wheel, wayward, add production cost, and inefficiency.
Summary of the invention
The present invention proposes a kind of aspherical mirror machining equipment and processing method, which solves aspherical mirror machining equipment in prior art and processing method machining accuracy is low, cost is high and working (machining) efficiency is low technical problem.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of aspherical mirror machining equipment, comprise numerically control grinder, the main shaft of described numerically control grinder is equipped with vacuum and clamps sucker, the emery wheel of wherein said grinding machine is cylinder barrel shaped emery wheel, described emery wheel has two end pin, and two end pin of described emery wheel have first connecting rod and second connecting rod respectively by chain connection, and first connecting rod and second connecting rod are interconnected by hinge; Described numerically control grinder also includes index dial, first connecting rod and the hinged bearing pin of second connecting rod and second connecting rod and the hinged bearing pin of emery wheel end pin are all installed on index dial, namely index dial has arc groove, hinge pin between first connecting rod and second connecting rod and the hinge pin between second connecting rod and emery wheel end pin all extend in arc groove, rotate the angle of inclination that index dial can adjust emery wheel.
Preferably, described first connecting rod and second connecting rod are loop bar internal thread expansion screw, can be finely tuned by the length of adjustment first connecting rod and second connecting rod to the angle of inclination of cylinder barrel shaped emery wheel.
Preferably, described index dial is fan-shaped index dial.
The present invention also provides a kind of and processes aspheric method with above-mentioned aspherical mirror machining equipment, and this processing method comprises the following steps:
A, trade union college is clamped on sucker in vacuum, cylinder barrel shaped emery wheel is installed on index dial by first connecting rod and second connecting rod;
B, the machined parameters of workpiece is set, rotate the angle of inclination that index dial regulates cylinder barrel shaped emery wheel and workpiece, start numerically control grinder, workpiece rotary motion, cylinder barrel shaped emery wheel carries out grinding to workpiece, by the cutting fluid cooling and lubricating sprayed in cylinder barrel shaped emery wheel endoporus;
C, polishing is carried out to workpiece.
Preferably, in stepb, by regulating the angle of inclination of length to cylinder barrel shaped emery wheel of first connecting rod and second connecting rod to finely tune.
Preferably, before the aspheric surface of processing optical glass and other nonmetallic materials, use precise numerical control grinder to process the workpiece of a metal material, this workpiece for measuring, the machining accuracy of comparison optical glass and other nonmetallic materials workpiece.
Adopt the aspherical mirror machining equipment of this invention, by using ellipse principle, namely cylinder barrel shaped emery wheel is when any angle is cut sth. askew, and the workpiece cut out is an ellipse always, according to the dimensioned requirement of workpiece, the technological parameter of setting processing can realize the processing of aspherics glass.Need according to processing external diameter and the internal orifice dimension of determining cylinder barrel shaped emery wheel, determine that the rotating speed of emery wheel carries out processing.Further, aspherical mirror machining device structure of the present invention is simple, and only need transform numerically control grinder, cost is low.The endoporus be positioned on emery wheel can either meet workpiece shapes processing needs, simultaneously can better to emery wheel cooling, available protecting emery wheel and ensure that machining accuracy.Adopt this equipment to process aspheric surface, technique is simple, and can meet different aspheric processing needs.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is aspherical mirror machining equipment in the present invention.
In figure, 1, main shaft; 2, vacuum clamps sucker; 3, workpiece; 4, endoporus; 5, emery wheel; 6, pin is held; 7, arc groove; 8, index dial; 9, first connecting rod; 10, bearing pin; 11, second connecting rod.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
When the present invention utilizes cylinder to be the cutting of any angle of inclination, its cross section is an ellipse always.Therefore, when carrying out aspherical mirror machining, cylinder barrel shaped emery wheel 5 can be selected as cutter and cylinder barrel shaped emery wheel 5 and workpiece 3 are obliquely installed, can aspheric surface be processed by the reciprocating motion of cylinder barrel shaped emery wheel 5 like this.
Aspherical mirror machining equipment of the present invention comprises numerically control grinder (all not illustrating in figure), the main shaft 1 of numerically control grinder is equipped with vacuum and clamps sucker 2, and vacuum clamps on sucker 2 and workpiece 3 is housed.The end of cylinder barrel shaped emery wheel 5 of the present invention is provided with end pin 6, and emery wheel 5 is connected with index dial 8 by the connecting rod on its end pin 6.Emery wheel shown in figure has two end pin 6, two end pin 6 are connected to first connecting rod 9 and second connecting rod 11, first connecting rod 9 and second connecting rod 11 are interconnected, and between two end pin 6 and first connecting rod 9 and second connecting rod 11, all form chain connection between first connecting rod 9 and second connecting rod 11.Between first connecting rod 9 and second connecting rod 11 and one of second connecting rod 11 and emery wheel hold pin 6 to be all arranged on index dial 8 by hinge, namely index dial 8 has arc groove 7, hinge pin 10 between first connecting rod 9 and second connecting rod 11 and the hinge pin (hinge pin of lower end shown in figure) between second connecting rod 11 and cylinder barrel shaped emery wheel 5 one end pin all extend in arc groove 7, rotate the angle of inclination that index dial 8 can adjust emery wheel 5 and workpiece 3.
First connecting rod 9 and second connecting rod 11 all adopt loop bar internal thread expansion screw, with scale on it, length can be regulated to regulate needs with the emery wheel meeting different angles by the screw thread rotation of inside, namely realize the fine setting to wheel inclination angles by the length ratio between adjustment first connecting rod 9 and second connecting rod 11.Index dial 8 is chosen as fan-shaped index dial, and this sector is about hemicycle size, so that rotation-indexing table 8 regulates emery wheel 5 and the angle of inclination of workpiece 3 and the installation for emery wheel 5.
This structure of the present invention, two end pin 6 of emery wheel 5 form linkage with first connecting rod 9 and second connecting rod 11, rotate the relative position of index dial 8 and regulating connecting rod and emery wheel 5, the angle of inclination of emery wheel 5 can be regulated, with the processing needs of satisfied different aspheric surface (ellipsoid etc. as common).Can finely tune the angle of inclination of emery wheel 5 with the length ratio of second connecting rod 11 by regulating first connecting rod 9.Shown in cylinder barrel shaped emery wheel 5 endoporus 4, figure, endoporus 4 is positioned at the center of cylinder barrel shaped emery wheel 5, plays workpiece 3 shaping and lower the temperature and lubrication for cylinder barrel shaped emery wheel 5.
The present invention also provides a kind of and processes aspheric method with above-mentioned aspherical mirror machining equipment, and this processing method comprises the following steps:
A, workpiece 3 is installed on vacuum clamps on sucker 2, cylinder barrel shaped emery wheel 5 is installed on index dial 8 by first connecting rod 9 and second connecting rod 11;
B, the machined parameters of workpiece is set, rotate index dial 8 and regulate cylinder barrel shaped emery wheel 5 and the angle of inclination of workpiece 3, start numerically control grinder, workpiece 3 rotary motion, cylinder barrel shaped emery wheel 5 pairs of workpiece 3 carry out grinding, by the cutting fluid cooling and lubricating of ejection in cylinder barrel shaped emery wheel endoporus 4;
C, polishing is carried out to workpiece 3.
In stepb, by regulating first connecting rod 9 to finely tune with the angle of inclination of length to cylinder barrel shaped emery wheel 5 of second connecting rod 11.
Simultaneously, before the present invention can also process in the aspheric surface adopting this aspherical mirror machining equipment to optical glass and other nonmetallic materials, use precise numerical control grinder to process the workpiece of a metal material, this workpiece for measuring, the machining accuracy of comparison optical glass and other nonmetallic materials.
The aspheric surface of metal material exists different from the aspherical mirror machining of optical glass and other nonmetallic materials, and it is large that the fragility of metal material and hardness are not so good as the common used materials such as optical glass, and therefore its processing is more convenient.Use this principle, before the aspheric surface of processing optical glass, adopt precise numerical control grinder to process a metal aspheric-surface workpiece, for comparing with the aspheric-surface workpiece of optical glass material, measuring, to meet processing request.
During use, workpiece 3 is installed on vacuum and clamps on sucker 2, require according to workpiece 3 size and machined parameters the cylinder barrel shaped emery wheel 5 selecting suitable diameter (comprising external diameter and internal orifice dimension).Start lathe, main shaft 1 rotary motion, emery wheel 5 pairs of workpiece carry out grinding, according to workpiece requirement after grinding a period of time, angle of inclination between rotation-indexing table 8 pairs of emery wheels 5 and workpiece 3 regulates, and can adjust with the length of second connecting rod 11 by regulating first connecting rod 9 to emery wheel 5 angle.To run up middle produced heat for emery wheel, in process, the endoporus 4 be positioned in the middle of emery wheel 5 sprays cooling fluid and carries out cooling and lubricating, ensure that cooling effect.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. use aspherical mirror machining equipment to process an aspheric method, it is characterized in that: this processing method comprises the following steps:
A, trade union college is clamped on sucker in vacuum, cylinder barrel shaped emery wheel is installed on index dial by first connecting rod and second connecting rod;
B, the machined parameters of workpiece is set, rotate the angle of inclination that index dial regulates cylinder barrel shaped emery wheel and workpiece, start numerically control grinder, workpiece rotary motion, cylinder barrel shaped emery wheel carries out grinding to workpiece, by the cutting fluid cooling and lubricating sprayed in cylinder barrel shaped emery wheel endoporus;
C, polishing is carried out to workpiece.
2. according to processing aspheric method described in claim 1, it is characterized in that: in stepb, finely tuning by regulating the angle of inclination of length to cylinder barrel shaped emery wheel of first connecting rod and second connecting rod.
3. according to processing aspheric method described in claim 1 or 2, it is characterized in that: before the aspheric surface of processing optical glass and other nonmetallic materials, use precise numerical control grinder to process the workpiece of a metal material, this workpiece for measuring, the machining accuracy of comparison optical glass and other nonmetallic materials workpiece.
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| CN201210336709.XA CN102896568B (en) | 2012-09-12 | 2012-09-12 | Aspheric surface processing device and processing method |
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| CN201210336709.XA CN102896568B (en) | 2012-09-12 | 2012-09-12 | Aspheric surface processing device and processing method |
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| CN102896568B true CN102896568B (en) | 2015-05-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363501A (en) * | 2015-07-24 | 2017-02-01 | 蓝思科技（长沙）有限公司 | Arc surface processing and polishing method for ceramic product and ceramic panel |
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| CN103192305A (en) * | 2013-03-19 | 2013-07-10 | 西安交通大学苏州研究院 | Point contact polishing device and method of aspheric-surface optical element |
| CN106041720A (en) * | 2016-07-22 | 2016-10-26 | 成都贝瑞光电科技股份有限公司 | Milling and grinding tool |
| CN109434629A (en) * | 2019-01-24 | 2019-03-08 | 烟台工程职业技术学院(烟台市技师学院) | Burnishing machine is used in a kind of processing of mechanized equipment |
| CN109893123A (en) * | 2019-03-20 | 2019-06-18 | 刘凯 | A kind of dedicated ECG monitor of pediatric nursing |
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| CN101804593A (en) * | 2009-02-13 | 2010-08-18 | 中村留精密工业株式会社 | Processing method and grinding apparatus for lens |
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| CN102896568A (en) | 2013-01-30 |
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Owner name: CHANGZHOU RUNCHANG PHOTOELECTRIC TECHNOLOGY CO., L Free format text: FORMER OWNER: CHANGZHOU JIAMING OPTOELECTRONICS CO., LTD. Effective date: 20150508 |
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Effective date of registration: 20150508 Address after: 213000 International Industrial Park, 8 West Lake Road, Changzhou hi tech Industrial Development Zone, Wujin District, Jiangsu, three Patentee after: CHANGZHOU RUNCHANG PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: 213000 Hutang Town, Wujin District, Jiangsu City, Changzhou province Huayuan Road Changzhou Jiaming photoelectric component Co., Ltd. Patentee before: Changzhou Jiaming Optoelectronics Co., Ltd. |