CN113400692A - Manufacturing process of ultraviolet light photocuring resin lens - Google Patents
Manufacturing process of ultraviolet light photocuring resin lens Download PDFInfo
- Publication number
- CN113400692A CN113400692A CN202110724126.3A CN202110724126A CN113400692A CN 113400692 A CN113400692 A CN 113400692A CN 202110724126 A CN202110724126 A CN 202110724126A CN 113400692 A CN113400692 A CN 113400692A
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- Prior art keywords
- glass mold
- resin lens
- curing
- mold
- namely
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
- B29D11/00442—Curing the lens material
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a manufacturing process of an ultraviolet light photocuring resin lens, which comprises the steps of proportioning raw materials, closing a die and pouring; infrared preheating, namely conveying the poured glass mold into a far infrared heater box through a conveying belt, and preheating for 0.5-2 min; ultraviolet curing, namely conveying the infrared preheated glass mold into a UV curing box through a conveying belt, and curing the lens raw material in the glass mold through ultraviolet rays; opening the mold; stress relief, namely conveying the glass mold and the lens to a far infrared heater box by using a conveying belt to relieve stress; and cleaning. According to the invention, the resin lens is cured and molded by the methods of infrared preheating, ultraviolet curing and infrared heating stress relief, the production efficiency is high, the mold turnover rate is high, the degree of manual dependence is low, and the production yield is more controllable, so that the comprehensive cost is reduced, and in addition, the product quality is ensured.
Description
Technical Field
The invention belongs to the technical field of lenses, and particularly relates to a manufacturing process of an ultraviolet light photocuring resin lens.
Background
At present, a thermosetting process is generally adopted in a resin lens forming process, the process is that a glass mold filled with optical resin monomers is pre-gelled for a certain time and then sent into curing equipment for heating, so that the optical resin monomers are cured and formed, the curing time is long, the production period is 20-40 hours, the production efficiency of the resin lens is seriously influenced, the production energy consumption is high, and the cost is high.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a manufacturing process of an ultraviolet light cured resin lens, which is used for avoiding the troubles of long curing time and low production efficiency caused by directly curing and molding the resin lens by using a curing oven in the past.
In order to solve the technical problem, the invention discloses a process for manufacturing an ultraviolet light photocuring resin lens, which comprises the following steps of a, proportioning raw materials, providing a resin monomer, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl acetone, alpha hydroxy ketone, alpha amino ketone, copper phthalocyanine blue and polyether modified polydimethylsiloxane, and blending the raw materials into a resin lens raw material;
b, die assembly and pouring, namely uniformly blending the raw materials of the resin lens, vacuumizing, pouring into a glass mold through a pouring gun, and sealing by using an adhesive tape;
c, infrared preheating, namely conveying the cast glass mold into a far infrared heater box through a conveying belt, and preheating for 0.5-2 min;
d, ultraviolet curing, namely conveying the glass mold which is preheated by infrared rays into a UV curing box through a conveying belt, and curing the lens raw materials in the glass mold through ultraviolet rays;
e, opening the mold, and after cooling, removing the adhesive tape on the glass mold by using a mold opener, and separating the glass mold and the cured lens;
f, stress relief, namely conveying the glass mold and the lens to a far infrared heater box by using a conveying belt to relieve stress;
and g, cleaning, namely cleaning and drying by using clear water.
According to an embodiment of the present invention, the resin monomer is epoxy polyacrylic acid monomer KR 60.
According to an embodiment of the present invention, the uv curing time is 3-8 min.
According to one embodiment of the present invention, the resin monomer comprises 40 to 80 parts of resin monomer, 1 to 2 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 1 part of 2-hydroxy-2-methyl-1-phenyl acetone, 0.5 to 1 part of alpha hydroxy ketone, 1 to 1.5 parts of alpha amino ketone, 2 to 4 parts of copper phthalocyanine blue, and 3 to 6 parts of polyether modified polydimethylsiloxane.
According to an embodiment of the present invention, the infrared preheating temperature in the step c is 40-60 ℃.
According to an embodiment of the present invention, the uv curing temperature in the step d is 70-100 ℃.
According to an embodiment of the present invention, in the step f, the infrared heater is first heated to 60 ℃ and then kept for 0.5min, and then is cooled in a gradient manner for 2min to 40 ℃.
Compared with the prior art, the invention can obtain the following technical effects:
the resin lens is cured and molded by the methods of infrared preheating, ultraviolet curing and infrared heating stress relief, the production efficiency is high, the turnover rate of the mold is high, the degree of manual dependence is low, and the production yield is more controllable, so that the comprehensive cost is reduced, and in addition, the product quality is ensured to some extent.
Of course, it is not necessary for any one product in which the invention is practiced to achieve all of the above-described technical effects simultaneously.
Detailed Description
The following embodiments are described in detail with reference to the accompanying drawings, so that the implementation process of the present invention for solving the technical problems and achieving the technical effects by applying technical means can be fully understood and implemented.
The invention discloses a manufacturing process of an ultraviolet light photocuring resin lens, which comprises the following steps:
step a, proportioning raw materials, namely providing a resin monomer, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl acetone, alpha hydroxy ketone, alpha-amino ketone, copper phthalocyanine blue and polyether modified polydimethylsiloxane, and blending to obtain a resin lens raw material;
b, die assembly and pouring, namely uniformly blending the raw materials of the resin lens, vacuumizing, pouring into a glass mold through a pouring gun, and sealing by using an adhesive tape;
c, infrared preheating, namely conveying the cast glass mold into a far infrared heater box through a conveying belt, and preheating for 0.5-2 min;
d, ultraviolet curing, namely conveying the glass mold which is preheated by infrared rays into a UV curing box through a conveying belt, and curing the lens raw materials in the glass mold through ultraviolet rays;
e, opening the mold, and after cooling, removing the adhesive tape on the glass mold by using a mold opener, and separating the glass mold and the cured lens;
f, stress relief, namely conveying the glass mold and the lens to a far infrared heater box by using a conveying belt to relieve stress;
and g, cleaning, namely cleaning and drying by using clear water.
In one embodiment of the invention, the resin lens raw material is prepared by mixing resin monomer, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl acetone, alpha hydroxy ketone, alpha-amino ketone, copper phthalocyanine blue and polyether modified polydimethylsiloxane, and after ensuring uniform stirring, vacuumizing, sealing and storing, and then pouring into a glass mold by a pouring gun for mold closing. The resin lens that the back mould was accomplished accepts automated production through conveying solidification mode, adopts transfer chain production mode promptly, and whole vertical solidification can realize automatic filling, solidification, die sinking, washing, and contrast traditional production mode production efficiency is high, the mould turnover rate is high, artifical degree of dependence is low, the production qualification rate is more controllable to drive the comprehensive cost and reduce, have very big market potential.
The curing and forming process comprises three main parts, namely infrared preheating, ultraviolet curing and stress relief, and compared with the heating and curing mode of the traditional resin forming process, the curing time is long and about 24H is needed in the past, and the automatic production of the resin lenses is limited by the curing and forming process; the invention uses the ultraviolet light curing forming technology, has short forming time (the shortest forming period only needs a few minutes), greatly improves the production efficiency, reduces the cost, has high turnover rate of the die, is clean, can be simply cleaned, has high safety and cleanness, and is environment-friendly and durable.
In a preferred embodiment, the resin monomer is provided as an epoxy polyacrylic acid monomer KR 60. In the specific production process, 40-80 parts of resin monomer, 1-2 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5-1 part of 2-hydroxy-2-methyl-1-phenyl acetone, 0.5-1 part of alpha hydroxy ketone, 1-1.5 parts of alpha-amino ketone, 2-4 parts of copper phthalocyanine blue and 3-6 parts of polyether modified polydimethylsiloxane. The resin lens prepared from the raw materials has the advantages of high forming quality, good curing quality, high antireflection rate, strong light transmittance and better eye protection effect.
Preferably, when 60 parts of resin monomer, 1.5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.8 part of 2-hydroxy-2-methyl-1-phenyl acetone, 0.8 part of alpha hydroxy ketone, 1.2 parts of alpha-amino ketone, 3 parts of copper phthalocyanine blue and 5 parts of polyether modified polydimethylsiloxane are selected, the performances of the resin lens in all aspects are maximized.
In one embodiment, the infrared preheating temperature in step c is 40-60 ℃, and the ultraviolet curing effect of the lens can be facilitated by providing the infrared preheating process.
In addition, in the step d, the ultraviolet curing temperature is 70-100 ℃, the ultraviolet curing time is 3-8min, the time consumption is short, and the production efficiency is high.
In the step f, the infrared heater is firstly heated to 60 ℃ and is kept warm for 0.5min, then the temperature is reduced in a gradient manner for 2min to 40 ℃, the internal stress of the lens can be rapidly removed, and the service life is prolonged.
In conclusion, the resin lens is cured and molded by the methods of infrared preheating, ultraviolet curing and infrared heating stress relief, the production efficiency is high, the mold turnover rate is high, the manual dependence degree is low, and the production yield is more controllable, so that the comprehensive cost is reduced, and the product quality is ensured.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A manufacturing process of an ultraviolet light curing resin lens is characterized by comprising the following steps:
step a, proportioning raw materials, namely providing a resin monomer, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl acetone, alpha hydroxy ketone, alpha-amino ketone, copper phthalocyanine blue and polyether modified polydimethylsiloxane, and blending to obtain a resin lens raw material;
b, die assembly and pouring, namely uniformly blending the raw materials of the resin lens, vacuumizing, pouring into a glass mold through a pouring gun, and sealing by using an adhesive tape;
c, infrared preheating, namely conveying the cast glass mold into a far infrared heater box through a conveying belt, and preheating for 0.5-2 min;
d, ultraviolet curing, namely conveying the glass mold which is preheated by infrared rays into a UV curing box through a conveying belt, and curing the lens raw materials in the glass mold through ultraviolet rays;
e, opening the mold, and after cooling, removing the adhesive tape on the glass mold by using a mold opener, and separating the glass mold and the cured lens;
f, stress relief, namely conveying the glass mold and the lens to a far infrared heater box by using a conveying belt to relieve stress;
and g, cleaning, namely cleaning and drying by using clear water.
2. The process for manufacturing UV photocurable resin lens according to claim 1, wherein said resin monomer is epoxy polyacrylic acid monomer KR 60.
3. The process for manufacturing UV-photocurable resin lens according to claim 1, wherein the UV-curable time is 3-8 min.
4. The process for manufacturing the UV-curable resin lens according to claim 1, wherein the resin monomer comprises 40 to 80 parts, 1 to 2 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 1 part of 2-hydroxy-2-methyl-1-phenyl acetone, 0.5 to 1 part of alpha hydroxy ketone, 1 to 1.5 parts of alpha amino ketone, 2 to 4 parts of copper phthalocyanine blue, and 3 to 6 parts of polyether-modified polydimethylsiloxane.
5. The process for manufacturing UV photocurable resin lens according to claim 1, wherein the infrared preheating temperature in step c is 40-60 ℃.
6. The process for manufacturing UV photocurable resin lens according to claim 1, wherein the UV curing temperature in step d is 70-100 ℃.
7. The process for manufacturing UV photocurable resin lens according to claim 1, wherein in step f, the infrared heater is first heated to 60 ℃ for 0.5min, and then is cooled in a gradient manner for 2min to 40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724126.3A CN113400692A (en) | 2021-06-29 | 2021-06-29 | Manufacturing process of ultraviolet light photocuring resin lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110724126.3A CN113400692A (en) | 2021-06-29 | 2021-06-29 | Manufacturing process of ultraviolet light photocuring resin lens |
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| CN113400692A true CN113400692A (en) | 2021-09-17 |
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| CN202110724126.3A Pending CN113400692A (en) | 2021-06-29 | 2021-06-29 | Manufacturing process of ultraviolet light photocuring resin lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113717321A (en) * | 2021-09-22 | 2021-11-30 | 明月镜片股份有限公司 | Preparation method of light-cured resin lens monomer |
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| US20150276987A1 (en) * | 2014-03-26 | 2015-10-01 | Indizen Optical Technologies, S.L. | Eyewear lens production by multi-layer additive techniques |
| CN105415555A (en) * | 2015-10-20 | 2016-03-23 | 蔡征宇 | Photocuring molding equipment for resin lenses |
| CN105690783A (en) * | 2015-10-20 | 2016-06-22 | 蔡征宇 | Light curing forming process for resin lens |
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| CN107877753A (en) * | 2017-11-10 | 2018-04-06 | 江苏黄金屋光学眼镜股份有限公司 | A kind of cure process of anti-blue light substrate |
| CN108789980A (en) * | 2017-04-26 | 2018-11-13 | 句容大为网络科技有限公司 | A kind of panchromatic resin lens moulding process of novel UV photocurings |
| CN111216386A (en) * | 2020-03-10 | 2020-06-02 | 江苏全真光学科技股份有限公司 | Preparation method and process of blue-light-resistant photochromic resin lens |
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2021
- 2021-06-29 CN CN202110724126.3A patent/CN113400692A/en active Pending
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|---|---|---|---|---|
| WO2001091994A1 (en) * | 2000-05-26 | 2001-12-06 | Johnson & Johnson Vision Care, Inc. | Process for the automated manufacture of spectacle lenses |
| CN1454137A (en) * | 2000-05-26 | 2003-11-05 | 庄臣及庄臣视力保护公司 | Process for the automated manufacture of spectacle lenses |
| CN1466694A (en) * | 2000-09-29 | 2004-01-07 | �������ʿع�����˾ | Edge coated ophthalmic lenses |
| CN103434154A (en) * | 2013-09-18 | 2013-12-11 | 吴国林 | Production process of hardened resin lens |
| US20150276987A1 (en) * | 2014-03-26 | 2015-10-01 | Indizen Optical Technologies, S.L. | Eyewear lens production by multi-layer additive techniques |
| CN105415555A (en) * | 2015-10-20 | 2016-03-23 | 蔡征宇 | Photocuring molding equipment for resin lenses |
| CN105690783A (en) * | 2015-10-20 | 2016-06-22 | 蔡征宇 | Light curing forming process for resin lens |
| CN106738538A (en) * | 2016-06-28 | 2017-05-31 | 丹阳铨宇光学眼镜有限公司 | Resin lens Stereolithography device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113717321A (en) * | 2021-09-22 | 2021-11-30 | 明月镜片股份有限公司 | Preparation method of light-cured resin lens monomer |
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Application publication date: 20210917 |