CN112505804A

CN112505804A - Optical lens and manufacturing method thereof

Info

Publication number: CN112505804A
Application number: CN202011336790.2A
Authority: CN
Inventors: 王淋
Original assignee: Hubei Changxu Photoelectric Technology Co ltd
Current assignee: Hubei Changxu Photoelectric Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-16

Abstract

The invention discloses an optical lens, which comprises a wear-resistant film, wherein the top of the wear-resistant film is fixedly connected with a functional film, one side of the functional film is fixedly connected with an antireflection film, the wear-resistant film comprises a substrate, one side of the substrate is fixedly connected with an antifouling film, one side of the antifouling film is fixedly connected with an antistatic film, the functional film comprises an anti-radiation film, one side of the anti-radiation film is fixedly connected with an anti-ultraviolet film, one side of the anti-ultraviolet film is fixedly connected with an anti-blue-light film, and the antireflection film comprises an antireflection film. According to the optical lens and the manufacturing method thereof, through the combined arrangement of the step 2 and the step 3, resin is adopted for manufacturing the optical lens to replace optical glass, the anti-falling performance of the lens is effectively improved, and through the matching of the antifouling film and the waterproof and oil-proof film, the lens can effectively prevent water vapor and oil stains from being retained on the surface of the lens when in use, so that the probability of fog generation on the surface of the lens is greatly reduced, and the wearing comfort is improved.

Description

Optical lens and manufacturing method thereof

Technical Field

The invention relates to the technical field of lenses, in particular to an optical lens and a manufacturing method thereof.

Background

The lens is made of transparent material with one or more curved surfaces made of optical materials such as glass or resin, and is often assembled with a spectacle frame to form spectacles after being polished, so that the spectacles are used for correcting the eyesight of a user and obtaining a clear visual field. Resin is a hydrocarbon (hydrocarbon) secretion from plants, particularly conifers, and is valued for other specific chemical structures. The resin can be classified into natural resin and synthetic resin, and the resin lens is a lens chemically synthesized by using the resin as a raw material and formed by processing and polishing. The resin lens has obvious advantages, light weight and more comfortable wearing; secondly, the resin lens has strong shock resistance, is not fragile and is safer; meanwhile, the resin lens also has good light transmission; in addition, the resin lens can be easily reprocessed to meet special requirements, and finally, the resin lens also has good wear resistance due to the innovation and promotion of a coating process.

Traditional optical lens often adopts the method of polishing of optical glass to make, and the waterproof antifog ability of lens self is lower, and in cold and hot junction or the higher area of humidity, lens self can produce great fog, seriously influences wearing personnel result of use to traditional optical glass lens and breakable also have the optical lens that adopts resin material preparation, though can effectively prevent to fall and fall to pieces, but whole optical property is relatively poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an optical lens and a manufacturing method thereof, which solve the problems that the optical glass lens generates larger fog per se to seriously affect the use effect of wearing personnel, and the traditional optical glass lens is fragile and can effectively prevent falling and breaking but has poorer overall optical performance due to the adoption of the optical lens made of resin materials.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an optical lens, including the wearing film, the top fixedly connected with function membrane of wearing film, one side fixedly connected with of function membrane increases the transmission film, the wearing film includes the substrate, one side fixedly connected with antifouling film of substrate, one side fixedly connected with antistatic film of antifouling film, the function membrane includes the radiation protection membrane, one side fixedly connected with anti ultraviolet membrane of radiation protection membrane, one side fixedly connected with anti blue light membrane of anti ultraviolet membrane, the antireflection film includes anti-reflection film, one side fixedly connected with waterproof oil-proof film of anti-reflection film, one side fixedly connected with anti-reflection film of waterproof oil-proof film.

The invention also discloses a manufacturing method of the optical lens, which comprises the following steps:

step 1: preparation of equipment and materials: screening material particles forming the substrate by a machine, removing off-specification material particles, manually checking the material particles before use, performing functional detection on equipment, electrifying the equipment for heating after all the material particles are qualified, and entering a standby state;

step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to be 120-150 ℃, adjusting the humidity to be 50%, stirring for 30-60 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing;

and step 3: assembling a mould and pouring raw materials: according to the quality requirements of no water, no oil and no dust, putting the dies which are required to be clear and qualified into a rubber belt machine according to a plan for assembling by using a rubber belt, after the assembly is finished, checking the dies, and injecting the prepared qualified raw materials into the assembled dies from a sealing ring by adopting a manual method;

and 4, step 4: primary curing and die sinking: observing the state of the molded lens after the raw materials are poured, conveying the poured mold into a curing furnace, heating the lens according to a curing curve and a control program, finally polymerizing the sticky raw material monomer into a transparent solid, and separating the semi-finished product subjected to primary curing by a release table tool;

and 5: lens edging and secondary curing: clamping and trimming the semi-finished lens, polishing the edge of the lens until the surface is smooth, then putting the polished lens into an ultrasonic cleaning machine for cleaning, after cleaning, carrying out secondary curing operation on the lens, and putting the lens into a curing oven again for 18 hours;

step 6: substrate inspection: taking the lens subjected to secondary curing as a substrate, checking the central thickness and diopter of the substrate, checking whether the problems of impurity scratch, blister, watermark and the like exist, and wiping the lens by using a lens wiping device after the substrate is checked;

and 7: coating and packaging: cleaning and wiping the substrate, then placing the substrate in a vacuum container, placing the coated material in the container, heating the container to 1000-2000 ℃, enabling gasified atoms and molecules to directly reach the surface of the lens without collision, condensing the lens into a thin film, forming each layer of film, wiping the lens and packaging the lens.

Preferably, in the step 2, the sterilized stirrer is used to continuously stir the materials.

Preferably, in step 3, before each mold is detected, air must be blown, dust must be blown off, and then whether defects exist or not is checked under light.

Preferably, in step 4, the lens substrate is placed in the curing oven for 24 hours to be molded, and the semi-finished lens needs 36 hours to be molded.

Preferably, in the step 4, the separated mold is sent to a cleaning device for cleaning, so as to be used later.

Preferably, in the step 5, the cleaning operation is strictly performed after the curing.

Preferably, in the step 7, the packaging is carried out in a dust-free workshop.

(III) advantageous effects

The invention provides an optical lens and a manufacturing method thereof. Compared with the prior art, the method has the following beneficial effects:

(1) the optical lens and the manufacturing method thereof are characterized in that the step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to 120-150 ℃, adjusting the humidity to 50%, stirring for 30-60 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing; and step 3: assembling a mould and pouring raw materials: according to the water-free, oil-free and dust-free quality requirement, the mold which is required to be clear and qualified is placed into the adhesive tape machine according to a plan for assembling, after the assembly is finished, the raw materials are checked, the qualified raw materials are prepared, the manual method is adopted for injecting the raw materials into the assembled mold from the sealing ring, the combined setting of the step 2 and the step 3 is adopted, the resin is adopted for manufacturing the optical lens to replace the optical glass, the anti-falling performance of the lens is effectively improved, in addition, the antifouling film and the waterproof and oil-proof film are matched, the lens can effectively prevent the oil and water from being accumulated on the surface of the lens when in use, the probability of generating fog on the surface of the lens is greatly reduced, and the wearing comfort is improved.

(2) The optical lens and the manufacturing method thereof are characterized in that the step 4: primary curing and die sinking: observing the state of the molded lens after the raw materials are poured, conveying the poured mold into a curing furnace, heating the lens according to a curing curve and a control program, finally polymerizing the viscous raw material monomer into a transparent solid, and separating the semi-finished product subjected to primary curing by a release table tool; and 5: lens edging and secondary curing: carrying out centre gripping deburring to semi-manufactured lens, polish the lens edge, polish until the surface is smooth, then put into ultrasonic cleaner and wash the lens after will polishing, after the washing, carry out the solidification operation for the second time with the lens, put into curing oven operation 18 hours again, through the joint setting of step 4 and step 5, through once solidification and secondary cure to the material, not only can effectually promote the self rigidity intensity of resin lens, and can reduce the substandard product probability of resin lens, in addition through polishing the lens again clean, can make things convenient for the lens to be processed the shaping fast in follow-up course of working.

(3) The optical lens and the manufacturing method thereof are characterized in that the step 6: substrate inspection: taking the lens subjected to secondary curing as a substrate, checking the central thickness and diopter of the substrate, checking whether the problems of impurity scratch, blister, watermark and the like exist, and wiping the lens by using a lens wiping device after the substrate is checked; and 7: coating and packaging: cleaning and cleaning a substrate, wiping the substrate, placing the substrate in a vacuum container, placing a coated material in the container, heating the substrate until the temperature is 1000-2000 ℃, directly reaching the surface of the lens without collision of gasified atoms and molecules, condensing the lens into a thin film, wiping the lens and packaging the lens after each layer of film is formed, and operating the lens after being detected through the combined setting of the step 6 and the step 7, so that the yield of the lens in the later period can be greatly improved, and the optical performance of the lens can be effectively improved through high-temperature coating of the lens, and the whole working effect is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an optical lens according to the present invention;

FIG. 2 is a schematic structural view of the abrasion resistant film of the present invention;

FIG. 3 is a schematic structural view of a functional film according to the present invention;

FIG. 4 is a schematic view of the antireflection film of the present invention.

In the figure, 1, a wear resistant film; 11. a substrate; 12. an antifouling film; 13. an antistatic film; 2. a functional film; 21. A radiation-proof film; 22. an ultraviolet-resistant film; 23. a blue-blocking film; 3. an anti-reflection film; 31. an antireflection film; 32. A waterproof and oil-proof film; 33. an anti-glare film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings and the accompanying tables in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-4 and the accompanying tables, the embodiment of the present invention provides three technical solutions: an optical lens and a manufacturing method thereof specifically comprise the following embodiments:

example 1

step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to 120 ℃ and the humidity to 50%, stirring for 30 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing;

and 7: coating and packaging: cleaning and wiping the substrate, placing the substrate in a vacuum container, placing the coated material in the container, heating to 1000 ℃, enabling the gasified atoms and molecules to directly reach the surface of the lens without collision, condensing into a thin film, forming each layer of film, wiping the lens, and packaging.

Example 2

step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to 135 ℃ and the humidity to 50%, stirring for 45 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing;

and 7: coating and packaging: cleaning and wiping the substrate, placing the substrate in a vacuum container, placing the coated material in the container, heating to 1500 ℃, enabling the gasified atoms and molecules to directly reach the surface of the lens without collision, condensing into a thin film, forming each layer of film, wiping the lens, and packaging.

Example 3

step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to 150 ℃ and the humidity to 50%, stirring for 60 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing;

and 7: coating and packaging: cleaning and wiping the substrate, placing the substrate in a vacuum container, placing the coated material in the container, heating to 2000 ℃, allowing the vaporized atoms and molecules to directly reach the surface of the lens without collision, condensing into a thin film, forming each layer of film, wiping the lens, and packaging.

The invention also discloses an optical lens, which comprises a wear-resistant film 1, wherein the top of the wear-resistant film 1 is fixedly connected with a functional film 2, one side of the functional film 2 is fixedly connected with an antireflection film 3, the wear-resistant film 1 comprises a substrate 11, one side of the substrate 11 is fixedly connected with an antifouling film 12, one side of the antifouling film 12 is fixedly connected with an antistatic film 13, the functional film 2 comprises a radiation-proof film 21, one side of the radiation-proof film 21 is fixedly connected with an ultraviolet-proof film 22, one side of the ultraviolet-proof film 22 is fixedly connected with a blue-light-proof film 23, the antireflection film 3 comprises an antireflection film 31, one side of the antireflection film 31 is fixedly connected with a waterproof and oil-proof film 32, and one side of the waterproof and oil-proof.

And those not described in detail in this specification are well within the skill of those in the art.

Comparative experiment

According to claim 1, the existing manufacturer can cultivate three kinds of lenses, after cleaning and drying the three kinds of lenses on the whole, compare the three kinds of lenses with the common lenses, and as shown in table 1, through the laboratory comprehensive test of the durable humidity and the manufacturing time of the products in the three examples, the lowest durable humidity in the examples is 85%, which is 10% higher than the comparative example, the longest manufacturing time in the three examples is 42 hours, which is 9 hours shorter than the comparative example.

Table 1: table comparing durable humidity and production time with comparative example

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An optical lens comprising a wear resistant film (1), characterized in that: the utility model discloses a wear-resisting membrane, including wearing film (1), one side fixedly connected with antireflection coating (3) of function membrane (2), wearing film (1) includes substrate (11), one side fixedly connected with antifouling membrane (12) of substrate (11), one side fixedly connected with antistatic film (13) of antifouling membrane (12), function membrane (2) are including radiation protection membrane (21), one side fixedly connected with anti ultraviolet membrane (22) of radiation protection membrane (21), one side fixedly connected with anti-blue membrane (23) of anti ultraviolet membrane (22), antireflection coating (3) are including anti-glare membrane (31), one side fixedly connected with waterproof and anti-oil film (32) of anti-glare membrane (31), one side fixedly connected with anti-glare membrane (33) of waterproof and anti-oil film (32).

2. A method for manufacturing an optical lens, comprising: the method specifically comprises the following steps:

step 2: mixing and detecting materials: fully mixing a material (propenyl diglycol carbonate) with a quantitative toner, an initiator and an antioxidant according to a certain proportion, fully stirring the mixed material, adjusting the temperature to 120-150 ℃, adjusting the humidity to 50%, stirring for 30-60 minutes to form a basic material for glasses, degassing the material, and detecting a semi-finished material after degassing;

and step 3: assembling a mould and pouring raw materials: according to the quality requirements of no water, no oil and no dust, putting the die which is required to be clear and qualified into a rubber belt machine according to a plan for assembling by using a rubber belt, after the assembly is finished, checking the die, and injecting the prepared qualified raw materials into the assembled die from a sealing ring by adopting a manual method;

and 4, step 4: primary curing and die sinking: observing the state of the molded lens after the raw materials are poured, conveying the poured mold into a curing furnace, heating the lens according to a curing curve and a control program, finally polymerizing the viscous raw material monomer into a transparent solid, and separating the semi-finished product subjected to primary curing by a release table tool;

3. A method of manufacturing an optical lens according to claim 2, characterized in that: and in the step 2, continuously stirring the materials by using the disinfected stirrer.

4. A method of manufacturing an optical lens according to claim 2, characterized in that: in step 3, before each mold is detected, air must be blown to remove dust, and then whether flaws exist or not is checked under light.

5. A method of manufacturing an optical lens according to claim 2, characterized in that: in the step 4, the lens substrate can be molded after being placed in a curing oven for 24 hours, and the semi-finished lens can be molded after 36 hours.

6. A method of manufacturing an optical lens according to claim 2, characterized in that: in the step 4, the separated mold is sent to a cleaning device for cleaning for subsequent use.

7. A method of manufacturing an optical lens according to claim 2, characterized in that: in the step 5, the cleaning operation is strictly performed after the curing.

8. A method of manufacturing an optical lens according to claim 2, characterized in that: and 7, placing the packaged product in a dust-free workshop for operation during packaging.