CN111929749A - Lens of spectacle lens of double-layer lens and manufacturing method - Google Patents
Lens of spectacle lens of double-layer lens and manufacturing method Download PDFInfo
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- CN111929749A CN111929749A CN202010625713.2A CN202010625713A CN111929749A CN 111929749 A CN111929749 A CN 111929749A CN 202010625713 A CN202010625713 A CN 202010625713A CN 111929749 A CN111929749 A CN 111929749A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C13/00—Assembling; Repairing; Cleaning
- G02C13/006—Devices specially adapted for cleaning spectacles frame or lenses
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
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- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
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- General Health & Medical Sciences (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
The invention relates to the technical field of spectacle lenses, in particular to a spectacle lens of a double-layer spectacle lens and a manufacturing method thereof, wherein the spectacle lens comprises a spectacle lens body, wherein the outer wall of one side of the spectacle lens body is plated with a scratch-resistant film, the outer wall of one side of the scratch-resistant film is plated with an ultraviolet filtering film, the outer wall of one side of the ultraviolet filtering film is plated with a zirconium dioxide film, and the outer wall of one side of the zirconium dioxide film is plated with a titanium oxide film; s1: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker; s2: preparing a mould: the worker combines the molds by bolts and then places the molds on the jig. Through the twice curing process of the method, the stress of the mirror surface is eliminated, so that the problem that when the lens receives external acting force, the stress is released to crack at the stress residual position under the influence of the acting force can be avoided, and the strength of the lens is improved.
Description
Technical Field
The invention relates to the technical field of spectacle lenses, in particular to a lens of a spectacle lens of a double-layer lens and a manufacturing method.
Background
Spectacles are lens pieces embedded in a frame that are worn in front of the eyes to improve vision, protect the eyes, or for decorative purposes. Lenses can correct a variety of vision problems including myopia, hyperopia, astigmatism, presbyopia or strabismus, amblyopia, and the like.
Chinese patent No. CN201620223315.7 provides an eyeglass method, the utility model relates to an eyeglass, the second eyeglass main part is the stereoplasm toughened glass layer, the third eyeglass main part is the oil stain prevention layer. The utility model discloses a can satisfy simultaneously look far away, look in and look near's needs at the in-service use in-process. Meanwhile, the hard toughened glass layer of the utility model can protect the glasses are not easy to break, and in addition, the oil-proof coating helps to clean the glasses.
However, the lens of the double-layer lens eyeglass and the manufacturing method thereof lack a step of eliminating the stress of the eyeglass itself, which easily causes the eyeglass to be easily broken and damaged in the subsequent use or processing process, affects the use and increases the production cost.
Disclosure of Invention
The present invention is directed to a lens of a spectacle lens with a double-layer lens and a manufacturing method thereof, so as to solve the problems mentioned in the background art.
The technical scheme of the invention is as follows: the utility model provides a lens of double-deck lens, includes the lens body, plated on lens body one side outer wall and prevent the knifing, and prevent plating ultraviolet filtration membrane on the outer wall of knifing one side, plated the zirconium dioxide membrane on the outer wall of ultraviolet filtration membrane one side, and plated the titanium oxide membrane on the outer wall of zirconium dioxide membrane one side.
A method for manufacturing a double-layer lens of an eyeglass comprises the following steps:
s1: preparing materials: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker;
s2: preparing a mould: combining the molds through bolts by workers, then placing the molds on a clamp, and preparing for material injection;
s3: injecting materials: workers inject the prepared CR-39 mixture into the concave-convex mould cavity of the mould, and then the mould after material injection is arranged on the drying rack with a certain distance;
s4: primary curing: the worker pushes the mold with the injected material hung on the drying rack into the drying oven, and the mold is dried for a certain time at a proper temperature to solidify the CR-39 liquid;
s5: opening the mold: the worker removes the CR-39 mold from the oven, removes the clamps at the edge of the mold, removes the cured CR-39 from the mold, the CR-39 is already a semi-finished lens, and cleans the mold;
s6 lens trimming: a worker places the lens on a workbench, and places rough edges around the lens on an edge trimmer for processing, so that the edge of the lens is smooth and attractive;
s7: cleaning a lens: a worker places the lens into an ultrasonic cleaning machine, and forcefully cleans residues which are not completely reacted on the surface of the lens and scraps which are removed;
s8: secondary curing: hanging the cleaned lens again by a worker, pushing the lens into the oven, and drying the lens for a certain time at a proper temperature;
s9: and (4) checking: the staff sends the lens after the secondary cure to the detection department and detects the lens, and the main project has: diopter, surface finish, bubble, thickness, diameter, etc.;
s10: film coating: and putting the secondarily reinforced lens into a coating machine by a worker, and coating the lens.
Further, the primary curing raw material in the S1 is in an oven, the curing temperature is controlled in the range of 0-80 ℃, and the total heating time is about 15-20 hours.
Further, after the S1 lens is cleaned, the mold is cleaned and dried, the cleaning time is 3-5 minutes, and the drying temperature is 50-60 ℃.
Further, the formula of the cleaning solution in the ultrasonic cleaning machine in S1 is as follows:
10-15 parts of phytic acid ester;
4-6 parts of anhydrous calcium chloride;
1-4 parts of aluminum hydroxide;
3-6 parts of sodium carboxymethylcellulose;
0.6-0.8 part of sodium ethylene diamine tetraacetate;
6-8 parts of oxalic acid;
2-4 parts of boron nitride.
Further, in the step S1, a scratch-resistant film, an ultraviolet filtering film, a zirconium dioxide film and a titanium oxide film are sequentially plated in sequence.
Further, the thickness of the scratch-resistant film is 35-60nm, and the thickness of the ultraviolet film is 40-60 nm.
Furthermore, the thickness of the zirconium dioxide is 20-30nm, the thickness of the titanium oxide film is 15-35nm, and the film coating is orderly carried out layer by layer in the film coating process for 20-23 min.
Further, when the secondary curing raw material in the S8 is in the oven, the curing temperature should be controlled in the range of 0-80 ℃, and the heating time is about 15-20 hours.
Furthermore, the primary curing process can eliminate the internal stress of the lens, meanwhile, the surface of the lens is trimmed, and the secondary curing process can play a role in smoothing the lens with surface grooves after primary curing.
The invention provides a lens of a double-layer lens spectacle lens and a manufacturing method thereof through improvement, compared with the prior art, the invention has the following improvement and advantages:
(1) through the twice curing process of the method, the stress of the mirror surface is eliminated, so that the problem that when the lens receives external acting force, the stress is released to crack at the stress residual position under the influence of the acting force can be avoided, and the strength of the lens is improved.
(2) Through the film coating process in the method, the scratch-resistant film improves the scratch-resistant capability of the lens, the ultraviolet filtering film improves the filtering capability of the lens on ultraviolet rays, and the effect of protecting the glasses of a user can be achieved for subsequent use.
(3) According to the cleaning process in the method, the cavitation, acceleration and direct current action of ultrasonic waves in liquid are utilized to directly and indirectly act on the liquid and dirt, and the dirt layer is dispersed, emulsified and stripped to achieve the purpose of cleaning, so that the residual substances on the surface of the lens can be effectively cleaned, and the pollution of the lens to the glasses is reduced.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a cross-sectional view of an ophthalmic lens body of the present invention;
FIG. 2 is a process flow diagram of the present invention.
1 spectacle lens body, 2 scratch-resistant films, 3 ultraviolet filtering films, 4 zirconium dioxide films and 5 titanium oxide films.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 2, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a lens of a spectacle lens of a double-layer lens by improvement, as shown in figure 1, the spectacle lens comprises a spectacle lens body 1, wherein the outer wall of one side of the spectacle lens body 1 is plated with a scratch-proof film 2, the outer wall of one side of the scratch-proof film 2 is plated with an ultraviolet filtering film 3, the outer wall of one side of the ultraviolet filtering film 3 is plated with a zirconium dioxide film 4, and the outer wall of one side of the zirconium dioxide film 4 is plated with a titanium oxide film 5.
A method for manufacturing a spectacle lens with a double-layer lens, as shown in fig. 2, comprises the following steps:
s1: preparing materials: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker;
s2: preparing a mould: combining the molds through bolts by workers, then placing the molds on a clamp, and preparing for material injection;
s3: injecting materials: workers inject the prepared CR-39 mixture into the concave-convex mould cavity of the mould, and then the mould after material injection is arranged on the drying rack with a certain distance;
s4: primary curing: the worker pushes the mold with the injected material hung on the drying rack into the drying oven, and the mold is dried for a certain time at a proper temperature to solidify the CR-39 liquid;
s5: opening the mold: the worker removes the CR-39 mold from the oven, removes the clamps at the edge of the mold, removes the cured CR-39 from the mold, the CR-39 is already a semi-finished lens, and cleans the mold;
s6 lens trimming: a worker places the lens on a workbench, and places rough edges around the lens on an edge trimmer for processing, so that the edge of the lens is smooth and attractive;
s7: cleaning a lens: a worker places the lens into an ultrasonic cleaning machine, and forcefully cleans residues which are not completely reacted on the surface of the lens and scraps which are removed;
s8: secondary curing: hanging the cleaned lens again by a worker, pushing the lens into the oven, and drying the lens for a certain time at a proper temperature;
s9: and (4) checking: the staff sends the lens after the secondary cure to the detection department and detects the lens, and the main project has: diopter, surface finish, bubble, thickness, diameter, etc.;
s10: film coating: and putting the secondarily reinforced lens into a coating machine by a worker, and coating the lens.
Further, in S1, the primary curing raw material is placed in an oven, the curing temperature should be controlled in the range of 0-80 ℃, and the total heating time is about 18 hours.
Further, after S1 lens cleaning, the mold should be cleaned and dried, the cleaning time is 4 minutes, and the drying temperature is 53 ℃.
The formula of the cleaning liquid in the ultrasonic cleaning machine in the S1 is as follows:
15 parts of phytic acid ester;
6 parts of anhydrous calcium chloride;
4 parts of aluminum hydroxide;
6 parts of sodium carboxymethyl cellulose;
0.8 part of sodium ethylene diamine tetraacetate;
8 parts of oxalic acid;
and 4 parts of boron nitride.
Further, in the step of coating in S1, a scratch-resistant film, an ultraviolet ray filtration film, a zirconium dioxide film, and a titanium oxide film are sequentially coated in this order.
Further, the thickness of the scratch-resistant film is 35-60nm, and the thickness of the ultraviolet film is 55 nm.
Furthermore, the thickness of the zirconium dioxide is 20-30nm, the thickness of the titanium oxide film is 29nm, and the film coating is orderly carried out layer by layer in the film coating process for 21 min.
Further, in the case of the secondary curing raw material in S8, the curing temperature should be controlled in the range of 60 ℃ while heating is performed for about 13 hours in total.
Furthermore, the primary curing process can eliminate the internal stress of the lens, meanwhile, the surface of the lens is trimmed, and the secondary curing process can play a role in smoothing the lens with surface grooves after primary curing.
Example 2:
a method for manufacturing a spectacle lens of a double-layer lens comprises the following steps: the method comprises the following steps:
s1: preparing materials: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker;
s2: preparing a mould: combining the molds through bolts by workers, then placing the molds on a clamp, and preparing for material injection;
s3: injecting materials: workers inject the prepared CR-39 mixture into the concave-convex mould cavity of the mould, and then the mould after material injection is arranged on the drying rack with a certain distance;
s4: primary curing: the worker pushes the mold with the injected material hung on the drying rack into the drying oven, and the mold is dried for a certain time at a proper temperature to solidify the CR-39 liquid;
s5: opening the mold: the worker removes the CR-39 mold from the oven, removes the clamps at the edge of the mold, removes the cured CR-39 from the mold, the CR-39 is already a semi-finished lens, and cleans the mold;
s6 lens trimming: a worker places the lens on a workbench, and places rough edges around the lens on an edge trimmer for processing, so that the edge of the lens is smooth and attractive;
s7: cleaning a lens: a worker places the lens into an ultrasonic cleaning machine, and forcefully cleans residues which are not completely reacted on the surface of the lens and scraps which are removed;
s8: secondary curing: hanging the cleaned lens again by a worker, pushing the lens into the oven, and drying the lens for a certain time at a proper temperature;
s9: and (4) checking: the staff sends the lens after the secondary cure to the detection department and detects the lens, and the main project has: diopter, surface finish, bubble, thickness, diameter, etc.;
s10: film coating: and putting the secondarily reinforced lens into a coating machine by a worker, and coating the lens.
Further, in S1, the primary curing raw material is placed in an oven, the curing temperature is controlled in the range of 0-80 ℃, and the total heating time is about 15-20 hours.
Further, after S1 lens cleaning, the mold should be cleaned and dried, the cleaning time is 4 minutes, and the drying temperature is 50-60 ℃.
The formula of the cleaning liquid in the ultrasonic cleaning machine comprises the following components in parts:
10 parts of phytic acid ester;
4 parts of anhydrous calcium chloride;
1 part of aluminum hydroxide;
3 parts of sodium carboxymethyl cellulose;
0.6 part of sodium ethylene diamine tetraacetate;
6 parts of oxalic acid;
and 2 parts of boron nitride.
Further, in the step of coating in S1, a scratch-resistant film, an ultraviolet ray filtration film, a zirconium dioxide film, and a titanium oxide film are sequentially coated in this order.
Further, the thickness of the scratch-resistant film is 35-60nm, and the thickness of the ultraviolet film is 40 nm.
Furthermore, the thickness of the zirconium dioxide is 20-30nm, the thickness of the titanium oxide film is 15nm, and the film coating is orderly carried out layer by layer in the film coating process for 23 min.
Further, in the case of the secondary curing raw material in S8, the curing temperature should be controlled within the range of 70 ℃, and the total heating time is about 23 hours.
Furthermore, the primary curing process can eliminate the internal stress of the lens, meanwhile, the surface of the lens is trimmed, and the secondary curing process can play a role in smoothing the lens with surface grooves after primary curing.
The working principle of the invention is as follows: s1: preparing materials: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker; s2: preparing a mould: combining the molds through bolts by workers, then placing the molds on a clamp, and preparing for material injection; s3: injecting materials: workers inject the prepared CR-39 mixture into the concave-convex mould cavity of the mould, and then the mould after material injection is arranged on the drying rack with a certain distance; s4: primary curing: the worker pushes the mold with the injected material hung on the drying rack into the drying oven, and the mold is dried for a certain time at a proper temperature to solidify the CR-39 liquid; s5: opening the mold: the worker removes the CR-39 mold from the oven, removes the clamps at the edge of the mold, removes the cured CR-39 from the mold, the CR-39 is already a semi-finished lens, and cleans the mold; s6 lens trimming: a worker places the lens on a workbench, and places rough edges around the lens on an edge trimmer for processing, so that the edge of the lens is smooth and attractive; s7: cleaning a lens: a worker places the lens into an ultrasonic cleaning machine, and forcefully cleans residues which are not completely reacted on the surface of the lens and scraps which are removed; s8: secondary curing: hanging the cleaned lens again by a worker, pushing the lens into the oven, and drying the lens for a certain time at a proper temperature; s9: and (4) checking: the staff sends the lens after the secondary cure to the detection department and detects the lens, and the main project has: diopter, surface finish, bubble, thickness, diameter, etc.; s10: film coating: and putting the secondarily reinforced lens into a coating machine by a worker, and coating the lens.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A lens for a spectacle lens of a double-layer lens, characterized in that: including lens body (1), lens body (1) one side outer wall has been plated and has been prevented knifing (2), and has been plated ultraviolet filtration membrane (3) on preventing knifing (2) one side outer wall, have plated zirconium dioxide membrane (4) on ultraviolet filtration membrane (3) one side outer wall, and have plated titanium oxide membrane (5) on zirconium dioxide membrane (4) one side outer wall.
2. A method for manufacturing a spectacle lens of a double-layer lens is characterized in that: the method comprises the following steps:
s1: preparing materials: mixing a CR-39 monomer in a liquid state with a trace catalyst according to a certain proportion by a worker, and then stirring the mixed liquid by the worker;
s2: preparing a mould: combining the molds through bolts by workers, then placing the molds on a clamp, and preparing for material injection;
s3: injecting materials: workers inject the prepared CR-39 mixture into the concave-convex mould cavity of the mould, and then the mould after material injection is arranged on the drying rack with a certain distance;
s4: primary curing: the worker pushes the mold with the injected material hung on the drying rack into the drying oven, and the mold is dried for a certain time at a proper temperature to solidify the CR-39 liquid;
s5: opening the mold: the worker removes the CR-39 mold from the oven, removes the clamps at the edge of the mold, removes the cured CR-39 from the mold, the CR-39 is already a semi-finished lens, and cleans the mold;
s6 lens trimming: a worker places the lens on a workbench, and places rough edges around the lens on an edge trimmer for processing, so that the edge of the lens is smooth and attractive;
s7: cleaning a lens: a worker places the lens into an ultrasonic cleaning machine, and forcefully cleans residues which are not completely reacted on the surface of the lens and scraps which are removed;
s8: secondary curing: hanging the cleaned lens again by a worker, pushing the lens into the oven, and drying the lens for a certain time at a proper temperature;
s9: and (4) checking: the staff sends the lens after the secondary cure to the detection department and detects the lens, and the main project has: diopter, surface finish, bubble, thickness, diameter, etc.;
s10: film coating: and putting the secondarily reinforced lens into a coating machine by a worker, and coating the lens.
3. The method for manufacturing a spectacle lens with a double-layer lens according to claim 2, wherein: the primary curing raw material in the S1 is put in an oven, the curing temperature is controlled within the range of 0-80 ℃, and the total heating time is about 15-20 hours.
4. The method for manufacturing a spectacle lens with a double-layer lens according to claim 2, wherein: and after cleaning the S1 lens, cleaning and drying the mold, wherein the cleaning time is 3-5 minutes, and the drying temperature is 50-60 ℃.
5. The method for manufacturing a spectacle lens with a double-layer lens according to claim 2, wherein: the formula of the cleaning liquid in the ultrasonic cleaning machine in the S1 is as follows:
10-15 parts of phytic acid ester;
4-6 parts of anhydrous calcium chloride;
1-4 parts of aluminum hydroxide;
3-6 parts of sodium carboxymethylcellulose;
0.6-0.8 part of sodium ethylene diamine tetraacetate;
6-8 parts of oxalic acid;
2-4 parts of boron nitride.
6. The method for manufacturing a spectacle lens with a double-layer lens according to claim 2, wherein: and in the step of coating in the step S1, a scratch-resistant film, an ultraviolet filtering film, a zirconium dioxide film and a titanium oxide film are sequentially coated.
7. The method for manufacturing a spectacle lens with a double-layer lens according to claim 6, wherein: the thickness of the scratch-resistant film is 35-60nm, and the thickness of the ultraviolet film is 40-60 nm.
8. The method for manufacturing a spectacle lens with a double-layer lens according to claim 6, wherein: the thickness of the zirconium dioxide is 20-30nm, the thickness of the titanium oxide film is 15-35nm, and film coating is carried out orderly layer by layer in the film coating process for 20-23 min.
9. The method for manufacturing a spectacle lens with a double-layer lens according to claim 1, wherein: when the secondary curing raw material in the S8 is in the oven, the curing temperature should be controlled within the range of 0-80 ℃, and the total heating time is about 15-20 hours.
10. The method for manufacturing a spectacle lens with a double-layer lens according to claim 1, wherein: the primary curing process not only eliminates the internal stress of the lens, but also has a finishing effect on the surface of the lens, and the secondary curing process has a smoothing effect on the lens with surface grooves after primary curing.
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| CN202010625713.2A CN111929749A (en) | 2020-07-01 | 2020-07-01 | Lens of spectacle lens of double-layer lens and manufacturing method |
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| CN202010625713.2A CN111929749A (en) | 2020-07-01 | 2020-07-01 | Lens of spectacle lens of double-layer lens and manufacturing method |
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| WO2023130504A1 (en) * | 2022-01-06 | 2023-07-13 | 深圳市美誉镜界光电科技有限公司 | Manufacturing device and manufacturing method for eyeglass lens |
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