CN1958265A - Rough of die pieces for resin eyeglasses, die pieces for resin eyeglasses, production method, and machine for making round billet material - Google Patents
Rough of die pieces for resin eyeglasses, die pieces for resin eyeglasses, production method, and machine for making round billet material Download PDFInfo
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- CN1958265A CN1958265A CN 200610041546 CN200610041546A CN1958265A CN 1958265 A CN1958265 A CN 1958265A CN 200610041546 CN200610041546 CN 200610041546 CN 200610041546 A CN200610041546 A CN 200610041546A CN 1958265 A CN1958265 A CN 1958265A
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- resin lens
- die blade
- lens die
- blank
- corase grind
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Abstract
A raw mould of resin lens, its finished mould, their preparing process, and the blanking machine for circular raw material are disclosed. Said raw mould is made of floatglass other than optical glass. Said finished mould is made up of said raw mould through grinding. Its advantages are high surface fineness, high durability and low cost.
Description
Technical field
The present invention relates to the mould of optical element forming, particularly resin lens forming mould sheet blank and die blade and production method thereof and circular blank cutting machine.
Background technology
Because resin lens proportion is low, in light weight, impact resistance is strong, be difficult for broken and be convenient to batch process, so resin lens is extensively adopted in the world today at large.Resin can also be processed into the eyeglass of multiple difference in functionalitys such as dyeing, variable color, two light, progressive additional, to satisfy various different needs.Because its multinomial advantage place, using resin lens to continue is the main flow of eyeglass apolegamy from now on.Existing resin lens adopts pattern platen press forming mould sheet, what adopt is optical glass material, as the trade mark or the optical glass close such as B270, K9 with its material, be made into resin lens die blade blank earlier, then further be processed into satisfactory resin lens die blade through grinding etc.Yet, the resin lens die blade that adopts optical glass material to make, its impurities of materials is many, crackle is many, bubble is many, hardness is relatively low, and frangible, easily fried, easily split, there are some insoluble problems in the quality of resin lens die blade, service life is not high, and cost is higher relatively.Also have and adopt ceramic material resin lens die blade, but its deficiency be easy to crisp broken, and cost height.
Summary of the invention
The objective of the invention is to, according to the deficiency of above-mentioned resin lens die blade, proposing a kind of float glass that adopts is resin lens die blade blank and resin lens die blade and the production method and the circular blank cutting machine of material.
Technical solution of the present invention is:
A kind of resin lens die blade blank, its material is a float glass.
A kind of production method of resin lens die blade blank is characterized in that, comprises following a～e operation:
A. open material, use float glass circular blank cutting machine, open material and adopt diamond blade, add water cooling when opening material, float glass plate is cut into the circular glass sheet;
B. corase grind adopts 30～60 order diamond rough grinding wheels, adds cooling fluid during work, preceding road is opened expected that the sheet glass that obtains grinds required camber and thickness;
C. the cylindrical corase grind with 100～120 order diamond cylindrical rough grinding wheels, adds cooling fluid during work, to the sheet glass corase grind cylindrical of preceding road corase grind;
D. fine grinding cylinder with 500～700 order diamond fine grinding cylinder emery wheels, can add cooling fluid during work, to the sheet glass correct grinding cylindrical of preceding road cylindrical corase grind;
E. buffing wheel is adopted in cylindrical polishing, can add cooling fluid during work, and the sheet glass cylindrical through fine grinding cylinder is polished, and obtains resin lens die blade blank.
A kind of resin lens die blade, its blank adopt described resin lens die blade blank.
A kind of production method of resin lens die blade is characterized in that, comprises following a～c operation:
A. corase grind adopts the corase grind milling and grinding machine, by 60～120 order diamond rough grinding wheels, resin lens die blade blank surface is tentatively ground required surperficial camber, thickness on request, adds cooling fluid during corase grind;
B. correct grinding adopts the eyeglass refiner, and by 800～1500 order diamonds correct grinding ball sheet, correct grinding adds cooling fluid through the resin lens die blade blank of corase grind during correct grinding;
C. the eyeglass polishing machine is used in polishing, adopts the Polyurethane polished silicon wafer, and the resin lens die blade blank through correct grinding is polished, and can add cooling fluid during polishing, obtains the resin lens die blade.
It is the resin lens die blade blank of material that the present invention adopts float glass, owing to use unique production process of the present invention, has kept the inherent composition structure of original material, and it is than great, structure is tight, and quality is firm, free from admixture, no bubble, no glass malignant boil does not explode, does not split anhydrous ripple.The resin lens die blade that grinds with resin lens die blade blank of the present invention, it adopts the float glass material to compare with generally adopting optical glass material at present, owing to have the higher characteristics of hardness, therefore, the fineness of product is better after grinding, and feel is level and smooth, also is difficult for crisp broken, very durable in use, and cost is lower.Production technology involved in the present invention is reasonable, and flow process is simple, and the production efficiency height can be guaranteed product quality, and production consumes low.
Purpose of the present invention, advantage and characteristics will make an explanation by the non-limitative illustration of following drawings and Examples, and these embodiment only provide as an example.
Description of drawings
Fig. 1 is a float glass circular blank cutting machine front view of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
In the above accompanying drawing, the 1-rotating shaft; The 2-cutterhead; The 3-cutting member; The 4-platen; 5-glass; α-grinding angle.
The specific embodiment
Embodiment one:
Processing resin lens die blade blank, can make and not have the plane of surface curvature blank sheet, be that its camber is zero, but the blank sheet surface is a curved surface usually, be provided with certain camber, the blank sheet camber that present embodiment is made is 800 curved (C), and thickness is that 8mm, diameter are 70mm, it is material that present embodiment is selected the high-class product float glass plate of thick, the no bubble of 19mm, no field trash, and the production and processing operation is as follows:
A. open material, use float glass circular blank cutting machine, adopt diamond blade, add water cooling when opening material, float glass plate is cut into the circular glass sheet of gabarit diameter 75mm.Adopt float glass circular blank cutting machine to carry out cold cut and sever material, it is unique technological process of the present invention, can cut the dull and stereotyped float glass of the above thickness of 25mm, need not be softening to glass heats, can not produce any destruction, keep the good characteristic of the original material of float glass inherent composition, the structure of float glass material.And,, adopt the general technology cold cut to be slit into stock of square with hypothesis and compare, can significantly reduce the workload and the consumption of back road edging because the blank cylindrical that is cut into is the circle that approaches finished product.Present embodiment float glass circular blank cutting machine as shown in Figure 1, cutterhead 2 one ends are fixed in the vertical rotating shaft 1, at least be fixed with a slice cutting member 3 on other end side face or the end face, cutting member 3 one ends stretch out cutterhead 2 end face outer rims, and the position of the operating space that below and cutting member 3 distances are certain is provided with platen 4.Present embodiment cutting member 3 is circular arc diamond blade (referring to shown in Figure 2), its thickness is 0.5～3mm, and the grinding angle of cutter head (angle of wedge) α is 60 °～130 °, during work, rotating shaft 1 is pressed to the plate glass 5 that places on the platen 4 while rotating, just can be with the glass 5 cold circular glass sheets that cut out.The both sides of the diamond blade end that cutting member 3 adopts are equipped with cutter head, so but rotating shaft 1 forward or reverse cut.Above-mentioned diamond cut part 3 also can be diamond saw blade or other cutters, and whole float glass circular blank cutting machine also can be designed to rotating shaft 1 level and put form.
B. roughly grind, adopt 30～60 orders (present embodiment is 40 orders) diamond rough grinding wheel, it is adjusted the position, adopt water or triethanolamine and water mixed liquid to make cooling fluid during work, the sheet glass that obtains of material is opened in preceding road ground required camber and thickness, finalize the design almost through the glass sheet surface of corase grind.
C. cylindrical is roughly ground, with 100～120 orders (present embodiment is 100 orders) diamond cylindrical rough grinding wheel, can adopt liquid such as cold water as cooling fluid during work,, finalize the design almost through the sheet glass external diameter of cylindrical corase grind to the sheet glass corase grind cylindrical (edging) of preceding road corase grind.
D. fine grinding cylinder is further used 500～700 orders (present embodiment is 600 orders) diamond fine grinding cylinder emery wheel, can adopt liquid such as cold water as cooling fluid during work, to the sheet glass correct grinding cylindrical of preceding road cylindrical corase grind.
E. buffing wheel (BD wheel) is adopted in cylindrical polishing, the sheet glass cylindrical that passes through fine grinding cylinder is polished, and liquid such as available cold water obtains resin lens die blade blank bright and clean, accurate excircle dimension as cooling fluid.
Embodiment two:
It is blank that present embodiment adopts resin lens die blade blank of the present invention, and processing spheric glass die blade, its curved surface camber are made as 800 curved (C), thickness is 6mm, and maximum gabarit (diameter) is of a size of 70mm, and the production and processing operation is as follows:
A. roughly grind, adopt the corase grind milling and grinding machine, by 60～120 order diamond rough grinding wheels (present embodiment is 100 order diamond rough grinding wheels), resin lens die blade blank surface is tentatively ground required surperficial camber, thickness on request, add cooling fluid during corase grind, as adopt water, perhaps triethanolamine and water or kerosene mixed liquor etc.The lens shape of process corase grind is basic forming, but the surface is still more coarse, and shape is translucent.
B. finish grind, adopt the eyeglass refiner, by 800～2000 order diamonds correct grinding ball sheet (present embodiment is 1200 an order diamonds correct grinding ball sheet), grinding is through the resin lens die blade blank of corase grind, add cooling fluid during correct grinding, as adopting water, perhaps triethanolamine and water or kerosene mixed liquor etc., make the resin lens die blade have required accurate camber, thickness and gabarit shape, do not slide but the surface still is not non-ordinary light.
C. polishing, use the eyeglass polishing machine, adopt the Polyurethane polished silicon wafer, resin lens die blade blank through correct grinding is polished, can add cooling fluid during polishing, as adopting water, the perhaps mixed liquor of cerium oxide or aluminium oxide and water etc., through the resin lens die blade surface of correct grinding is polished, its surface (working face) more refinement is clean smooth.
If the resin lens die blade is had special size or gabarit shape need, can further adopt following operation:
D. edging, present embodiment is after above-mentioned polishing process, adopt centering-edging machine (emery wheel), resin lens die blade blank is clamped accurately, can add cooling fluid during work, press special size (appearance and size or physical dimension), shape need, finish edging, grind out the resin lens die blade of the accurate location of optical centre or other special size requirements, the resin lens die blade of perhaps special gabarit shape, for example, its gabarit shape can be and actual lens or the close ellipse of other eyeglass gabarit shapes, Long Circle, rounding is trapezoidal, rounding rectangle or other geometries, adopt and actual eyeglass gabarit shape and close resin lens die blade and the matching die making resin lens of size, can save resin material, and reduce the edging amount of finished product eyeglass.
The foregoing description is as an illustration example only, it is not the qualification that the present invention is done, resin lens die blade blank of the present invention and resin lens die blade, the die blade that not only can be used for resin eyeglass, also can be used as telescope, the die blade of mobile phone and other resin lens, not only can be the making spheric glass---comprise concave-sphere and post mirror, common complex optics of prism or complex optics respectively---die blade, also can be for making the die blade of combination of aspheric surface (progressive additional etc.) eyeglass and multiple curved surface or other types curve lens, their working face is shaped on corresponding geometric curved surfaces.The present invention can also adopt other modes, step to implement, and does not give unnecessary details one by one at this.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all belong to the protection domain of requirement of the present invention.
Claims (10)
1. resin lens die blade blank, it is characterized in that: its material is a float glass.
2. resin lens die blade blank according to claim 1 is characterized in that: thickness is 3～20mm, and diameter is 20～180mm, is provided with 0～1600C curved surface camber.
3. the production method of a resin lens die blade blank is characterized in that, comprises following a～e operation:
A. open material, use float glass circular blank cutting machine, open material and adopt diamond blade, add water cooling when opening material, float glass plate is cut into the circular glass sheet;
B. corase grind adopts 30～60 order diamond rough grinding wheels, adds cooling fluid during work, preceding road is opened expected that the sheet glass that obtains grinds required camber and thickness;
C. the cylindrical corase grind with 100～120 order diamond cylindrical rough grinding wheels, adds cooling fluid during work, to the sheet glass corase grind cylindrical of preceding road corase grind;
D. fine grinding cylinder with 500～700 order diamond fine grinding cylinder emery wheels, can add cooling fluid during work, to the sheet glass correct grinding cylindrical of preceding road cylindrical corase grind;
E. buffing wheel is adopted in cylindrical polishing, can add cooling fluid during work, and the sheet glass cylindrical through fine grinding cylinder is polished, and obtains resin lens die blade blank.
4. resin lens die blade blank circular blank cutting machine, it is characterized in that: it includes rotating shaft (1), cutterhead (2), cutting member (3) and platen (4), one end of cutterhead (2) is fixed in the rotating shaft (1), the other end is fixed with a slice cutting member (3) at least, is provided with platen (4) with the be separated by position of certain operating distance of cutting member (3).
5. resin lens die blade blank circular blank cutting machine according to claim 4, it is characterized in that: cutting member (3) is a diamond blade, and the thickness of described diamond blade is 0.5～3mm, and grinding angle (α) is 60 °～130 °.
6. a resin lens die blade is characterized in that: the described resin lens die blade of its blank employing claim 1 blank.
7. resin lens die blade according to claim 6, it is characterized in that: its thickness is 2～18mm, gabarit is shaped as that circle, ellipse, Long Circle, rounding are trapezoidal, a kind of in these several shapes of rounding rectangle, maximum contour dimension is 10～180mm, and the curved surface camber is 0～1600C.
8. a kind of resin lens die blade according to claim 6, it is characterized in that: it is provided with the curved surface of sphere or aspheric surface geometry.
9. the production method of a resin lens die blade is characterized in that, comprises following a～c operation:
A. corase grind adopts the corase grind milling and grinding machine, by 60～120 order diamond rough grinding wheels, resin lens die blade blank surface is tentatively ground required surperficial camber, thickness on request, adds cooling fluid during corase grind;
B. correct grinding adopts the eyeglass refiner, and by 800～2000 order diamonds correct grinding ball sheet, correct grinding adds cooling fluid through the resin lens die blade blank of corase grind during correct grinding;
C. the eyeglass polishing machine is used in polishing, adopts the Polyurethane polished silicon wafer, and the resin lens die blade blank through correct grinding is polished, and can add cooling fluid during polishing, obtains the resin lens die blade.
10. the production method of resin lens die blade according to claim 9 is characterized in that, also comprises following operation:
D. edging adopts edge polisher, with resin lens die blade blank edging, can add cooling fluid during work, obtains the resin lens die blade of special size or shape need.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610041546 CN1958265A (en) | 2006-09-14 | 2006-09-14 | Rough of die pieces for resin eyeglasses, die pieces for resin eyeglasses, production method, and machine for making round billet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610041546 CN1958265A (en) | 2006-09-14 | 2006-09-14 | Rough of die pieces for resin eyeglasses, die pieces for resin eyeglasses, production method, and machine for making round billet material |
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| Publication Number | Publication Date |
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| CN1958265A true CN1958265A (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610041546 Pending CN1958265A (en) | 2006-09-14 | 2006-09-14 | Rough of die pieces for resin eyeglasses, die pieces for resin eyeglasses, production method, and machine for making round billet material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631187A (en) * | 2012-04-27 | 2012-08-15 | 江苏格林视通光学有限公司 | Production method of progressive multifocal insert for try during optometry |
| CN102674678A (en) * | 2011-02-04 | 2012-09-19 | 苹果公司 | Methods and apparatus for scribing and breaking layers with curved edges |
| CN103128624A (en) * | 2011-11-22 | 2013-06-05 | 深圳市常兴金刚石磨具有限公司 | Machining technique of glass panel |
| CN103639879A (en) * | 2013-12-30 | 2014-03-19 | 昆明云锗高新技术有限公司 | Novel silicon single crystal wafer machining process |
| CN109176163A (en) * | 2018-10-31 | 2019-01-11 | 上海航天控制技术研究所 | A kind of efficient ultraprecise processing method of magnesium aluminate optical hemispherical thin-wall part |
-
2006
- 2006-09-14 CN CN 200610041546 patent/CN1958265A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674678A (en) * | 2011-02-04 | 2012-09-19 | 苹果公司 | Methods and apparatus for scribing and breaking layers with curved edges |
| CN102674678B (en) * | 2011-02-04 | 2014-11-26 | 苹果公司 | Methods and apparatus for scribing and breaking layers with curved edges |
| CN103128624A (en) * | 2011-11-22 | 2013-06-05 | 深圳市常兴金刚石磨具有限公司 | Machining technique of glass panel |
| CN103128624B (en) * | 2011-11-22 | 2015-10-28 | 深圳市常兴技术股份有限公司 | The processing technology of face glass |
| CN102631187A (en) * | 2012-04-27 | 2012-08-15 | 江苏格林视通光学有限公司 | Production method of progressive multifocal insert for try during optometry |
| CN103639879A (en) * | 2013-12-30 | 2014-03-19 | 昆明云锗高新技术有限公司 | Novel silicon single crystal wafer machining process |
| CN109176163A (en) * | 2018-10-31 | 2019-01-11 | 上海航天控制技术研究所 | A kind of efficient ultraprecise processing method of magnesium aluminate optical hemispherical thin-wall part |
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Open date: 20070509 |