CN116409000A - Production method of blue light prevention lens - Google Patents
Production method of blue light prevention lens Download PDFInfo
- Publication number
- CN116409000A CN116409000A CN202310513257.6A CN202310513257A CN116409000A CN 116409000 A CN116409000 A CN 116409000A CN 202310513257 A CN202310513257 A CN 202310513257A CN 116409000 A CN116409000 A CN 116409000A
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- China
- Prior art keywords
- lens
- blue light
- time
- temperature
- producing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 230000002265 prevention Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 6
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B29D11/00634—Production of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention belongs to the field of blue light prevention lenses, and provides a production method of a blue light prevention lens, which comprises the steps of mixing materials, and uniformly stirring 6-10 g of blue light powder and 1-3 g of uv powder to obtain a mixture; the injection molding machine is used for placing the mixture into the injection molding machine for extrusion molding; alkali treatment, namely soaking the formed product in alkaline water to remove oil stains and impurities on the surface, and increasing the surface tension and the adhesiveness of the formed product; the first preheating is carried out on the lens subjected to alkali treatment, so that the surface moisture of the lens is volatilized, and the surface temperature of the lens is uniform; precooling, namely precooling the preheated lens to gradually cool and stabilize the lens; compared with the existing method without alkali treatment, the method can remove the greasy dirt on the surface, greatly reduce the impurities in the product and increase the yield.
Description
Technical Field
The invention belongs to the field of blue light prevention lenses, and particularly relates to a production method of a blue light prevention lens.
Background
The existing blue light preventing lens is generally prepared from the following raw materials: selecting proper high molecular materials and additives and other necessary auxiliary substances; melt extrusion: heating and stirring the sheet-shaped product subjected to alkali treatment through a melt extrusion machine to enable the sheet-shaped product to become a uniform melt, and extruding and molding through a die; cooling and solidifying: cooling the extruded product to room temperature or low temperature to solidify and shape the extruded product; wherein, lack the processing procedure to impurity, easily influence the yields of finished product.
Therefore, a production method of blue light preventing lenses is proposed by those skilled in the art to solve the problems of the background art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a production method of a blue light prevention lens, which aims to solve the problem that the yield of finished products is easily affected due to the lack of impurity treatment steps in the prior art.
A production method of a blue light prevention lens comprises the following steps:
s1: mixing colors and stirring materials, namely uniformly stirring 6-10 g of blue light powder and 1-3 g of uv powder to obtain a mixture;
s2: the injection molding machine is used for placing the mixture into the injection molding machine for extrusion molding;
s3: alkali treatment, namely soaking the formed product in alkaline water to remove oil stains and impurities on the surface, and increasing the surface tension and the adhesiveness of the formed product;
s4: the first preheating is carried out on the lens subjected to alkali treatment, so that the surface moisture of the lens is volatilized, and the surface temperature of the lens is uniform;
s5: precooling, namely precooling the preheated lens to gradually cool and stabilize the lens;
s6: strengthening, namely placing the precooled lens into liquid medicine for strengthening treatment so as to strengthen the hardness and impact resistance of the lens;
s7: a second preheating, which is to preheat the strengthened lens for the second time to supplement the heat and to perform the subsequent drying and hardening better;
s8: hardening and drying, namely hardening and drying the preheated lens to make the surface coating uniform and hardened;
s9: cooling, at room temperature of 20-25 ℃ for 10-20 minutes, and fully cooling the hardened lens to solidify and shape the product.
Preferably, in the step S1, the blue light powder is 8 g, the uv powder is 2 g, and the stirring time is 8-10 minutes.
Preferably, in the step S2, the temperature of the mixture is 260-270 ℃, the temperature of the mold is 50-60 ℃ and the time is 30-35 seconds/mold.
Preferably, in the step S3, the ratio of the alkaline water is 1:4, the temperature of the alkaline water is 58-60 ℃, and the cleaning time is 360 seconds/time.
Preferably, step S31 is further provided between step S3 and step S4: cleaning, wherein the water temperature is 50-75 ℃ and the time is 60 seconds/time, and the cleaning agent is used for cleaning alkaline water on the surface of a product.
Preferably, the first preheating temperature in the step S4 is 45-55 ℃ and the time is 300 seconds.
Preferably, the pre-cooling temperature in the step S5 is 18-20 ℃ and the time is 300 seconds.
Preferably, the temperature of the medicinal liquid in the step S6 is 20-22 ℃, the specific gravity of the medicinal liquid is 0.94-0.97, the priming time is 15-20 seconds, the room temperature is 18-20 ℃, and the indoor relative humidity is 40-50%.
Preferably, the temperature of the second preheating in the step S7 is 80-85 ℃ and the time is 300 seconds.
Preferably, the drying temperature in the step S8 is 90-92 ℃ and the time is 3.5 hours.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the existing method without alkali treatment, the method can remove the greasy dirt on the surface, greatly reduce the impurities in the product and increase the yield.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Embodiment one: the invention provides a production method of a blue light prevention lens, which comprises the following steps:
s1: mixing colors and stirring materials, namely uniformly stirring 6-10 g of blue light powder and 1-3 g of uv powder to obtain a mixture;
s2: the injection molding machine is used for placing the mixture into the injection molding machine for extrusion molding;
s3: alkali treatment, namely soaking the formed product in alkaline water to remove oil stains and impurities on the surface, and increasing the surface tension and the adhesiveness of the formed product;
s4: the first preheating is carried out on the lens subjected to alkali treatment, so that the surface moisture of the lens is volatilized, and the surface temperature of the lens is uniform;
s5: precooling, namely precooling the preheated lens to gradually cool and stabilize the lens;
s6: strengthening, namely placing the precooled lens into liquid medicine for strengthening treatment so as to strengthen the hardness and impact resistance of the lens;
s7: a second preheating, which is to preheat the strengthened lens for the second time to supplement the heat and to perform the subsequent drying and hardening better;
s8: hardening and drying, namely hardening and drying the preheated lens to make the surface coating uniform and hardened;
s9: cooling, at room temperature of 20-25 ℃ for 10-20 minutes, and fully cooling the hardened lens to solidify and shape the product.
In the step S1, the blue light powder is 8 g, the uv powder is 2 g, and the stirring time is 8-10 minutes.
In the step S2, the temperature of the mixture is 260-270 ℃, the temperature of the mold is 50-60 ℃ and the time is 30-35 seconds/mold.
In the step S3, the proportion of the alkaline water is 1:4, the temperature of the alkaline water is 58-60 ℃, and the cleaning time is 360 seconds/time.
Step S31 is further provided between the step S3 and the step S4: cleaning, namely cleaning the surface of a product with alkaline water at the water temperature of 50-75 ℃ for 60 seconds/time, wherein 600 g of cleaning agent is taken.
The first preheating temperature in the step S4 is 45-55 ℃ and the time is 300 seconds.
In the step S5, the precooling temperature is 18-20 ℃ and the time is 300 seconds.
The temperature of the medicinal liquid in the step S6 is 20-22 ℃, the specific gravity of the medicinal liquid is 0.94-0.97, the priming time is 15-20 seconds, the room temperature is 18-20 ℃, and the indoor relative humidity is 40-50%.
The temperature of the second preheating in the step S7 is 80-85 ℃ and the time is 300 seconds.
In the step S8, the drying temperature is 90-92 ℃ and the time is 3.5 hours.
The blue light preventing lens is made of PA material.
When the lens is cooled, the method further comprises the steps of quality inspection and detection, wherein the quality inspection mode is full inspection, the result is AA level, a spectrometer is adopted during detection, the model is 38120 national standard, and the results of the hundred-grid test and the poaching test are all film falling prevention.
While embodiments of the present invention have been shown and described above for purposes of illustration and description, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. The production method of the blue light prevention lens is characterized by comprising the following steps of:
s1: mixing colors and stirring materials, namely uniformly stirring 6-10 g of blue light powder and 1-3 g of uv powder to obtain a mixture;
s2: the injection molding machine is used for placing the mixture into the injection molding machine for extrusion molding;
s3: alkali treatment, namely soaking the formed product in alkaline water to remove oil stains and impurities on the surface, and increasing the surface tension and the adhesiveness of the formed product;
s4: the first preheating is carried out on the lens subjected to alkali treatment, so that the surface moisture of the lens is volatilized, and the surface temperature of the lens is uniform;
s5: precooling, namely precooling the preheated lens to gradually cool and stabilize the lens;
s6: strengthening, namely placing the precooled lens into liquid medicine for strengthening treatment so as to strengthen the hardness and impact resistance of the lens;
s7: a second preheating, which is to preheat the strengthened lens for the second time to supplement the heat and to perform the subsequent drying and hardening better;
s8: hardening and drying, namely hardening and drying the preheated lens to make the surface coating uniform and hardened;
s9: cooling, at room temperature of 20-25 ℃ for 10-20 minutes, and fully cooling the hardened lens to solidify and shape the product.
2. The method for producing a blue light preventing lens according to claim 1, wherein: in the step S1, the blue light powder is 8 g, the uv powder is 2 g, and the stirring time is 8-10 minutes.
3. The method for producing a blue light preventing lens according to claim 1, wherein: in the step S2, the temperature of the mixture is 260-270 ℃, the temperature of the mold is 50-60 ℃ and the time is 30-35 seconds/mold.
4. The method for producing a blue light preventing lens according to claim 1, wherein: in the step S3, the proportion of the alkaline water is 1:4, the temperature of the alkaline water is 58-60 ℃, and the cleaning time is 360 seconds/time.
5. The method for producing a blue light preventing lens according to claim 1, wherein: step S31 is further provided between the step S3 and the step S4: cleaning, wherein the water temperature is 50-75 ℃ and the time is 60 seconds/time, and the cleaning agent is used for cleaning alkaline water on the surface of a product.
6. The method for producing a blue light preventing lens according to claim 1, wherein: the first preheating temperature in the step S4 is 45-55 ℃ and the time is 300 seconds.
7. The method for producing a blue light preventing lens according to claim 1, wherein: in the step S5, the precooling temperature is 18-20 ℃ and the time is 300 seconds.
8. The method for producing a blue light preventing lens according to claim 1, wherein: the temperature of the medicinal liquid in the step S6 is 20-22 ℃, the specific gravity of the medicinal liquid is 0.94-0.97, the priming time is 15-20 seconds, the room temperature is 18-20 ℃, and the indoor relative humidity is 40-50%.
9. The method for producing a blue light preventing lens according to claim 1, wherein: the temperature of the second preheating in the step S7 is 80-85 ℃ and the time is 300 seconds.
10. The method for producing a blue light preventing lens according to claim 1, wherein: in the step S8, the drying temperature is 90-92 ℃ and the time is 3.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310513257.6A CN116409000A (en) | 2023-05-09 | 2023-05-09 | Production method of blue light prevention lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310513257.6A CN116409000A (en) | 2023-05-09 | 2023-05-09 | Production method of blue light prevention lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116409000A true CN116409000A (en) | 2023-07-11 |
Family
ID=87051218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310513257.6A Withdrawn CN116409000A (en) | 2023-05-09 | 2023-05-09 | Production method of blue light prevention lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116409000A (en) |
-
2023
- 2023-05-09 CN CN202310513257.6A patent/CN116409000A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230711 |