CN101226255B - Method for producing tempered glass polarizing lens - Google Patents
Method for producing tempered glass polarizing lens Download PDFInfo
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- CN101226255B CN101226255B CN2007100084685A CN200710008468A CN101226255B CN 101226255 B CN101226255 B CN 101226255B CN 2007100084685 A CN2007100084685 A CN 2007100084685A CN 200710008468 A CN200710008468 A CN 200710008468A CN 101226255 B CN101226255 B CN 101226255B
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Abstract
The invention relates to a production method of toughened glass polarizing lens, belonging to the production method of spectacle lens. The inventive method comprises optically grinding a blank to reach demand arc degree and thickness, immersing into strengthen solution in batch to process chemical reinforcement, while the arc degree of front convex surface of the prepared back optical sheet is some larger than the back concave surface of the front optical sheet, heating and pressing the polarizing film into a polarizing curvature film with arc degrees, adhering the polarizing curvature film between the back concave surface of the front optical sheet and the front convex surface of the back optical sheet, removing foams, feeding into a constant-temperature solidifying furnace to be solidified in batch to prepare round lens blanks, edging and cutting the round lens blanks in the shape of mirror frame to obtain the shaped lens with triangle edge, uniformly coating adhesive on the triangle edges of the shaped lens to seal edges, laying horizontally and feeding into the constant-temperature solidifying furnace to be solidified in batch, clearing abundant adhesive materials on the edges after solidification, to obtain final product. The invention resolves the batch production problem of polarizing lens.
Description
Technical field
The present invention relates to a kind of production method of lens.
Background technology
Traditional polarized lenses all is to utilize the polarisation principle, and the high light that filters most radiating lights, scattered light and dazzle the eyes is with protection people's eyes.It is ZL 99218903.9 that China utility model patent instructions CN 2386462Y discloses the patent No., and name is called the technical scheme of " anti-glare glasses ", proposes between two eyeglasses of common spectacles one deck polarizing coating to be set.Its weak point is: be folded in two polarizing coatings between the eyeglass, owing to be exposed in air and the aqueous vapor oxidized easily and corrosion, the intensity difference of anti-impact force, life-span weak point.For this reason, the inventor has proposed the technical scheme that name is called " lamination coating tempered glass polarizing lens ", discloses in the patent No. is the Chinese utility model patent instructions CN 2789797Y of ZL 200520083653.7.This scheme proposes, and the lamination coating tempered glass polarizing lens is made up of polarizing coating and optical mirror slip.Polarizing coating is located between the optical mirror slip.Lateral edges at optical mirror slip has a protective seam.Bag is attached to around the lateral edges of multilayer eyeglass.And the radian difference of two optical mirror slips, wherein the radian of back convex lens surface is slightly larger than the radian of front eyeglass concave surface, so that bubble eliminating eyeglass is external in the eyeglass interlayer.Scribble layer of adhesive on the faying face of light polarizing film and optical sheet, the two is made as one by combined pressure.Multiple high-quality chemical substance is evenly coated in lens edge and tightly wraps and be attached to around the eyeglass, and air can not be contacted with adhesive surface.Not only solved bonding lamination problem, its life-span prolonged greatly, and around the eyeglass because the stress of the attached formation of glue-line bag, the intensity that the eyeglass external force resistance impacts also strengthens greatly.But this patent document does not disclose the method for producing the lamination coating tempered glass polarizing lens in enormous quantities.
Summary of the invention
The present invention aims to provide a kind of production method of tempered glass polarizing lens, can produce the lamination coating tempered glass polarizing lens that the inventor proposes in large quantity.
Technical scheme of the present invention is: the production method of tempered glass polarizing lens, its procedure of processing comprises: steps A. optical glass blank is ground radian and the thickness that reaches regulation through optics, immersing forced fluid more in batch carries out chemical enhanced, make bright, transparent forward and backward otpical leaf, otpical leaf rear side concave surface radian before wherein otpical leaf front side, back convex surface radian is slightly larger than; The light polarizing film plain film is pressed into the curved film of the polarisation with radian through heating;
The forward and backward surface of the back concave surface of otpical leaf, the back convex front surface of otpical leaf and the curved film of polarisation before step B. is applied in glue respectively, the curved film of polarisation is bonded in before otpical leaf back concave surface with after between the convex front surface of otpical leaf and discharge bubble; Send in batch in the isothermal curing stove then and solidify, make the circular eyeglass blank;
Step C. carries out the edging cutting by picture frame type with the circular eyeglass blank, makes edge sanction shape eyeglass triangular in shape;
Step D. carries out edge sealing in the even spreading glue of triangular rim of cutting out the shape eyeglass; Keep flat in batch then to send in the isothermal curing stove and solidify; Solidify the back and remove the unnecessary colloid of lens edge, obtain product.
In preferred embodiment: the glue that adhesion process is used among the described step B is rigidizer as host, P. perazine as assistant agent, propylacetone amine with epoxy resin; Host:: assistant agent:: rigidizer proportional numerical value scope by weight is 100:: 20-40:: 2-3.
Described host:: assistant agent:: rigidizer optimal proportion numerical value by weight is 100:: 40:: 2.
Among the described step B in the isothermal curing stove temperature be 38 ℃-40 ℃, be 8 hours set time.
In preferred embodiment: the glue that the edge sealing process is used among the described step D is rigidizer as host, P. perazine as assistant agent, propylacetone amine with epoxy resin; Host:: assistant agent:: rigidizer proportional numerical value scope by weight is 100:: 30-50:: 2-4 the 6th link.
Described host:: assistant agent:: rigidizer optimal proportion numerical value by weight is 100:: 30:: 3.
Among the described step D in the isothermal curing stove temperature be 50 ℃-52 ℃, be 3 hours set time.
In preferred embodiment: in the described steps A chemical enhanced be will reach the glass processing part of regulation radian and thickness to immerse temperature be to strengthen 8 hours in 390 ℃-410 ℃ the forced fluid.
Described forced fluid is for containing the solution of potassium nitrate 99.5% and silicon dioxide 0.5% by weight.
The production method of tempered glass polarizing lens of the present invention, optical glass blank ground through optics immerse forced fluid again and carry out chemical enhanced, make bright, transparent forward and backward otpical leaf, otpical leaf rear side concave surface radian before wherein otpical leaf front side, back convex surface radian is slightly larger than; The light polarizing film plain film is pressed into the curved film of the polarisation with radian through heating; Each workpiece has just been made assurance for the efficient and the quality that improve follow-up adhesion step in the preparation.Adhesion step is applied in preceding otpical leaf, the curved film of back otpical leaf and polarisation respectively with glue, also can discharge bubble smoothly between the convex front surface of back concave surface and back otpical leaf of otpical leaf before the curved film of polarisation is bonded in; Solidify in batch then and make the circular eyeglass blank.With the marginal portion of the forward and backward otpical leaf of routine techniques not preset clearance compare, method of the present invention can improve production capacity greatly and reduce the waster rate.By picture frame type this blank is carried out the edging cutting after making the circular eyeglass blank, make edge sanction shape eyeglass triangular in shape; The curved film of forward and backward otpical leaf and polarisation is finished in same procedure and is cut out shape, and not only working (machining) efficiency improves, and can avoid bonding the time complexity contraposition and bonding after shaping.Cutting out the shape eyeglass carries out keeping flat in batch to send in the isothermal curing stove behind the edge sealing solidifying; Compare with erectting to send into to solidify in the isothermal curing stove after routine techniques is cut out shape eyeglass edge sealing, solidify the colloid uniformity of eyeglass edge, back, can not form glue and drip and change lens shape, promptly anti-water durability unanimity, the product durability that obtains is good.Simultaneously, the unnecessary colloid of lens edge is few, removing simple to operate, rapidly.
Embodiment
The procedure of processing of the production method of tempered glass polarizing lens of the present invention has:
The preparation otpical leaf
With diameter is that the optical glass blank of 60-80 millimeter is roughly ground, and makes convex surface reach the sphere radian of regulation.Open material again, make concave surface reach the radian of regulation, and make the workpiece center thickness reach the requirement of regulation.Finish grind then, promptly grinding workpiece has the surface of radian, makes it more fine and smooth.Polish afterwards, make workpiece bright, transparent and accurately reach the radian and the thickness of regulation.
The glass processing part that will reach regulation radian and thickness is placed on the backboard support, in batch workpiece is placed with backboard support strengthen the stove upper strata, and the covering preheating is half an hour approximately, makes the temperature of workpiece reach about 350 ℃.Then in batch workpiece is immersed at leisure fully with backboard support and strengthen the stove bottom and strengthen forced fluid in the groove.This forced fluid is for containing the solution of potassium nitrate 99.5% and silicon dioxide 0.5% by weight.The temperature of strengthening forced fluid in the groove is 390 ℃-410 ℃; Enhanced time is 8 hours.After enhanced time is enough, the glass processing part is taken out from forced fluid with backboard support.Earlier the glass processing part under the condition of high temperature is placed to strengthen with backboard support and drip on the groove only, about 5 minutes, this moment, the temperature of workpiece should maintain more than 350 ℃.Then the glass processing part is put into the air wooden case of convection current up and down with backboard support, make the glass processing part be cooled to 150 ℃-160 ℃ with the speed of per minute more than 6 ℃; Again the glass processing part was immersed with backboard support in 85 ℃-95 ℃ the water about 10 minutes, and removed the forced fluid of glass processing part remained on surface.Place the cleaning fluid that is added with detersive to soak with backboard support the glass processing part again, and shake under the backboard support number; It is clean with the cleaning drop on the glass processing part to mention backboard support at last, places room temperature to carry out drying.
So far make bright, transparent forward and backward otpical leaf, otpical leaf rear side concave surface radian before wherein otpical leaf front side, back convex surface radian is slightly larger than.
The curved film of preparation polarisation
In cleanliness factor is 10000 grades or above environment, with the light polarizing film plain film after the baking heating, the curved film of a plurality of polarisations that uses mould to be pressed into to have radian; Being cut into diameter then respectively is the curved film of independent polarisation of 80-100 millimeter.The radian of the curved film of polarisation must strictly be controlled, and is accurate consistent with the radian of forward and backward otpical leaf.The outward appearance of the curved film of polarisation is carried out 100% check the standardized subsequent production process of being allowed for access.
Preparation glue
The bonding glue that adhesion process is used is rigidizer as host, P. perazine (P.Perazine) as assistant agent, propylacetone amine (Propylamine) with epoxy resin (Epoxy Resin); Host:: assistant agent:: rigidizer proportional numerical value scope by weight is 100:: 20-40:: 2-3.Optimal proportion numerical value is 100:: 40:: 2.
The edge sealing glue that the edge sealing process is used also is rigidizer as host, P. perazine as assistant agent, propylacetone amine with epoxy resin; Host:: assistant agent:: rigidizer proportional numerical value scope by weight is 100:: 30-50:: 2-4.Optimal proportion numerical value is 100:: 30:: 3.
Bonding and solidify
Adhesive glue water is applied in the forward and backward surface of back concave surface, the back convex front surface of otpical leaf and the curved film of polarisation of the preceding otpical leaf that has cleaned up respectively, the curved film of polarisation is bonded in before between the convex front surface of back concave surface and back otpical leaf of otpical leaf and clamp the discharge bubble; Send in batch in the isothermal curing stove then and solidify.Temperature is 38 ℃-40 ℃ in the isothermal curing stove, and be 8 hours set time.So far make the circular eyeglass blank.
The difference of bonding glue formula rate can have a strong impact on the adhesion between the curved film of forward and backward otpical leaf and polarisation.We carry out adhesion test to the circular eyeglass blank, with identical external force circular eyeglass blank moment are smashed, and check that two glass flakes that fault surface is glued together bend intermembranous separating area situation with polarisation.Below table 1 in the separating area of each proportioning correspondence, be the mean value that the test findings made with 10 circular eyeglass blanks is respectively calculated.
The experimental data of bonding glue formula rate of table 1 and adhesion corresponding relation
Numbering formula rate separating area (square millimeter)
1 100∶∶40∶∶2 1
2 100∶∶30∶∶2 6
3 100∶∶20∶∶2 10
4 100∶∶40∶∶3 15
5 100∶∶30∶∶3 16
6 100∶∶20∶∶3 16
7 100∶∶60∶∶3 30
8 100∶∶70∶∶3 32
9 100∶∶80∶∶3 30
10 100∶∶60∶∶2 26
11 100∶∶70∶∶2 30
12 100∶∶80∶∶2 28
Cut out shape
By picture frame type the circular eyeglass blank is carried out the edging cutting, make edge sanction shape eyeglass triangular in shape.
Edge sealing and curing
To cut out the setting of shape eyeglass compartment of terrain and pile up on the rack for cleaning of packing into, carry out ultrasonic cleaning.Evenly smear edge sealing glue in the triangular rim of each sanction shape eyeglass then and carry out edge sealing; The sanction shape eyeglass compartment of terrain of edge sealing lies on the carriage again, keeps flat to send into together with carriage in batches and solidifies in the isothermal curing stove; Placement can prevent effectively that edge sealing glue from concentrate forming glue to certain point and dripping like this, causes the colloid at the upper and lower edge of eyeglass inhomogeneous and changed the shape of eyeglass.Temperature is 50 ℃-52 ℃ in the isothermal curing stove, and be 3 hours set time.Solidify the back and remove the unnecessary colloid of lens edge, obtain the tempered glass polarizing lens product.
The passing in time of bonding tempered glass polarizing lens, stick portion by edge to centre gradually by erosions such as air, moisture and layering.Adopt edge sealing technology, eyeglass is protected.We test the eyeglass of not sealing and different proportioning sealings, and it is that 60 ℃ and humidity are 85% environment that tempered glass polarizing lens is placed temperature, the time that the testing lens interlayer begins to separate.Below table 2 in the disengaging time of each proportioning correspondence, be the mean value that the test findings made with 10 tempered glass polarizing lens is respectively calculated.
The experimental data of table 2 edge sealing glue formula rate and disengaging time corresponding relation
Numbering formula rate disengaging time (hour)
1 not sealing 4
2 100∶∶30∶∶3 60
3 100∶∶40∶∶3 35
4 100∶∶50∶∶3 34
5 100∶∶30∶∶2 40
6 100∶∶40∶∶2 35
7 100∶∶50∶∶2 35
8 100∶∶30∶∶4 30
9 100∶∶40∶∶4 12
10 100∶∶50∶∶4 25
The above only is preferred embodiment of the present invention, does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (3)
1. the production method of tempered glass polarizing lens, its procedure of processing comprises:
Steps A. optical glass blank is ground radian and the thickness that reaches regulation through optics, immersing forced fluid more in batch carries out chemical enhanced, make bright, transparent forward and backward otpical leaf, otpical leaf rear side concave surface radian before wherein otpical leaf front side, back convex surface radian is slightly larger than; The light polarizing film plain film is pressed into the curved film of the polarisation with radian through heating;
The forward and backward surface of the back concave surface of otpical leaf, the back convex front surface of otpical leaf and the curved film of polarisation before step B. is applied in glue respectively, the curved film of polarisation is bonded in before otpical leaf back concave surface with after between the convex front surface of otpical leaf and discharge bubble; Send in batch in the isothermal curing stove then and solidify, make the circular eyeglass blank;
Step C. carries out the edging cutting by picture frame type with the circular eyeglass blank, makes edge sanction shape eyeglass triangular in shape;
Step D. carries out edge sealing in the even spreading glue of triangular rim of cutting out the shape eyeglass; Keep flat in batch then to send in the isothermal curing stove and solidify; Solidify the back and remove the unnecessary colloid of lens edge, obtain product.
2. the production method of tempered glass polarizing lens according to claim 1 is characterized in that: chemical enhanced in the described steps A is that to immerse temperature be to strengthen 8 hours in 390 ℃-410 ℃ the forced fluid for the glass processing part that will reach regulation radian and thickness.
3. the production method of tempered glass polarizing lens according to claim 2 is characterized in that: described forced fluid is for containing the solution of potassium nitrate 99.5% and silicon dioxide 0.5% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100084685A CN101226255B (en) | 2007-01-19 | 2007-01-19 | Method for producing tempered glass polarizing lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100084685A CN101226255B (en) | 2007-01-19 | 2007-01-19 | Method for producing tempered glass polarizing lens |
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| CN101226255A CN101226255A (en) | 2008-07-23 |
| CN101226255B true CN101226255B (en) | 2011-05-11 |
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| CN2007100084685A Active CN101226255B (en) | 2007-01-19 | 2007-01-19 | Method for producing tempered glass polarizing lens |
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| CN109212779B (en) * | 2018-10-22 | 2020-08-28 | 徐州市宝明光学眼镜厂 | Polarized lens compounded by toughened glass and second material and preparation method and application thereof |
| CN111913240A (en) * | 2020-08-11 | 2020-11-10 | 中山北方晶华精密光学有限公司 | Optical lens special for mobile phone and processing method thereof |
| CN114149176A (en) * | 2021-12-31 | 2022-03-08 | 莱芜连云玻璃股份有限公司 | Method for manufacturing high-strength toughened glass |
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Effective date of registration: 20220304 Address after: Unit C-6, unit 03, 8 / F, building D, Xiamen international shipping center, 97 Xiangyu Road, Xiamen area, China (Fujian) pilot Free Trade Zone, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen silote Technology Co.,Ltd. Address before: 361021 No. 300 Yao Yao Road, North District, Fujian, Xiamen, Jimei Patentee before: XIAMEN TELANGSI EYEWEAR Co.,Ltd. |