CN112626463A - Preparation process of high-luminous-efficiency flash lampshade - Google Patents

Preparation process of high-luminous-efficiency flash lampshade Download PDF

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Publication number
CN112626463A
CN112626463A CN202011466980.6A CN202011466980A CN112626463A CN 112626463 A CN112626463 A CN 112626463A CN 202011466980 A CN202011466980 A CN 202011466980A CN 112626463 A CN112626463 A CN 112626463A
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CN
China
Prior art keywords
cover body
evaporation
coating film
light
enhancing
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Pending
Application number
CN202011466980.6A
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Chinese (zh)
Inventor
吴建晓
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Guangdong ATC Technology Co Ltd
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Guangdong ATC Technology Co Ltd
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Application filed by Guangdong ATC Technology Co Ltd filed Critical Guangdong ATC Technology Co Ltd
Priority to CN202011466980.6A priority Critical patent/CN112626463A/en
Publication of CN112626463A publication Critical patent/CN112626463A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—Shaping
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0605—Carbon
    • C23C14/0611—Diamond
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

The invention discloses a preparation process of a high-luminous-efficiency flash lampshade, wherein a plurality of rhombic lugs are uniformly distributed on the outer surface of an injection molding lampshade body and can change the light path of emergent light, so that the emergent light and light guide uniformity is better, and the light condensing effect is improved by arranging a light condensing disc, so that the luminous efficiency is improved; in addition, because the outer surface of the cover body is subjected to vacuum evaporation to form a coating film for enhancing the lighting effect, the manufactured flash lampshade can enhance the lighting effect due to the synergistic effect of the diamond-shaped bumps and the coating film for enhancing the lighting effect. In addition, the thin film formed on the surface of the flash lampshade through vacuum evaporation is stable, so that the oxidation resistance of the flash lampshade can be improved. Therefore, the flash lampshade prepared by the preparation process of the flash lampshade capable of enhancing the light efficiency can achieve various expected light efficiencies, so that the optical utilization rate is improved, the light guide is uniform and stable, and the service life is longer.

Description

Preparation process of high-luminous-efficiency flash lampshade
Technical Field
The invention relates to the technical field of flash lamp covers, in particular to a preparation process of a high-luminous-efficiency flash lamp cover.
Background
With the development of scientific technology, the development of the industries of mobile phones and digital cameras is fast, the requirements of more and more industries of mobile phones and digital cameras on flash lampshades are higher and higher, and especially the requirements on the light efficiency of the flash lampshades are synchronously improved. At present, the lighting effect requirements of flash lampshades in the industries of mobile phones and digital cameras comprise a series of requirements on light filtering, uniform light emitting, uniform light guiding, light gathering performance and the like. In the prior art, the flash lampshade is subjected to line drying, sand blasting, soft light particle adding and other treatments, and the expected light effect requirement is difficult to achieve, so that the preparation process of the flash lampshade in the prior art needs to be improved urgently.
Disclosure of Invention
The invention provides a preparation process of a high-luminous-efficiency flash lampshade aiming at the defects of the prior art.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a preparation process of a high-luminous-efficiency flash lampshade comprises the following steps:
(1) injection molding the cover body: the cover body is formed by injection molding of a plastic material, a plurality of rhombic lugs are uniformly distributed on the outer surface of the cover body, and a light gathering disc is arranged in the center of the cover body;
(2) coating film on the cover body: carrying out vacuum evaporation on the outer surface of the injection molded cover body to form a coating film for enhancing the lighting effect;
(3) surface cleaning: and (4) placing the high-luminous-efficiency flash lampshade which is coated with the film into ultrasonic cleaning equipment for cleaning.
In a further improvement, the step (2) specifically comprises the following steps:
(2.1) cleaning before plating: cleaning the side wall of a vacuum chamber for evaporation and the surface of a fixing frame for fixing the mask body to remove oil stains, rust and residual plating materials;
(2.2) vacuumizing and heating pretreatment: vacuumizing the vacuum chamber, heating the fixed cover body to remove moisture in the vacuum chamber and desorb gas on the surface of the cover body, and pumping the gas out of the vacuum chamber through a vacuum pump;
(2.3) applying low power electricity to the evaporation source: the evaporation source is electrified with low power to preheat or pre-melt the coating material so as to prevent the coating material from being evaporated on the substrate;
(2.4) applying high power electricity to the evaporation source: covering the evaporation source and the source substance by a baffle, then introducing high-power electricity to rapidly heat the coating material to the evaporation temperature of the coating material, and removing the baffle during evaporation;
(2.5) evaporation and piece taking: heating the cover body in the evaporation process, simultaneously controlling the vacuum degree of the vacuum chamber, covering the evaporation source by using a baffle plate and stopping heating after the thickness of the film layer on the outer surface of the cover body meets the requirement, and then taking out the cover body plated with the film layer to obtain the high-luminous-efficiency flash lampshade.
In a further improvement, the plastic material is polymethyl methacrylate.
The thickness of the diamond-shaped bump is 0.1 mm-0.18 mm, and the compact disc is of a hexagonal frustum structure.
In a further improvement, the thickness of the coating film for enhancing the luminous efficiency is 4-9 μm.
In a further improvement, the coating film for enhancing the luminous efficiency is one of a diamond coating film, an Ag coating film, an Au coating film or a Cu coating film.
In the step (2.2), the temperature of the heating cover body is 40-50 ℃, and the time for heating the cover body is 0.5-2 h.
In the step (2.3), the evaporation source is supplied with power of low power of 80W to 90W.
In the step (2.4), the evaporation source and the source material are covered by a baffle plate, and then high-power electricity of 1000W-2000W is supplied.
In the step (2.5), the temperature for heating the mask body in the evaporation process is 45-55 ℃.
The invention has the beneficial effects that: according to the preparation process of the high-luminous-efficiency flash lampshade, the plurality of rhombic bumps are uniformly distributed on the outer surface of the injection molding lampshade body and can change the light path of the emergent light, so that the emergent light and the light guide are better in uniformity, and the light condensing effect is improved by arranging the light condensing disc, so that the luminous efficiency is improved; in addition, because the outer surface of the cover body is subjected to vacuum evaporation to form a coating film for enhancing the lighting effect, the manufactured flash lampshade can enhance the lighting effect due to the synergistic effect of the diamond-shaped bumps and the coating film for enhancing the lighting effect. In addition, the thin film formed on the surface of the flash lampshade through vacuum evaporation is stable, so that the oxidation resistance of the flash lampshade can be improved. Therefore, the flash lampshade prepared by the preparation process of the flash lampshade capable of enhancing the light efficiency can achieve various expected light efficiencies, so that the optical utilization rate is improved, the light guide is uniform and stable, and the service life is longer; the preparation process of the flash lampshade capable of enhancing the lighting effect, provided by the invention, has the characteristics of simple process method, low production cost and suitability for industrial large-scale production.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
Fig. 1 is a schematic view of a process flow of manufacturing the high luminous efficacy flare cover of this embodiment.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
In the embodiment, referring to fig. 1, a process for preparing a high luminous efficacy flash lampshade comprises the following steps:
(1) injection molding the cover body: the cover body is formed by injection molding of a plastic material, a plurality of rhombic lugs are uniformly distributed on the outer surface of the cover body, and a light gathering disc is arranged in the center of the cover body;
(2) coating film on the cover body: carrying out vacuum evaporation on the outer surface of the injection molded cover body to form a coating film for enhancing the lighting effect;
(3) surface cleaning: and (4) placing the high-luminous-efficiency flash lampshade which is coated with the film into ultrasonic cleaning equipment for cleaning.
In a further improvement, the step (2) specifically comprises the following steps:
(2.1) cleaning before plating: cleaning the side wall of a vacuum chamber for evaporation and the surface of a fixing frame for fixing the mask body to remove oil stains, rust and residual plating materials;
(2.2) vacuumizing and heating pretreatment: vacuumizing the vacuum chamber, heating the fixed cover body to remove moisture in the vacuum chamber and desorb gas on the surface of the cover body, and pumping the gas out of the vacuum chamber through a vacuum pump;
(2.3) applying low power electricity to the evaporation source: the evaporation source is electrified with low power to preheat or pre-melt the coating material so as to prevent the coating material from being evaporated on the substrate;
(2.4) applying high power electricity to the evaporation source: covering the evaporation source and the source substance by a baffle, then introducing high-power electricity to rapidly heat the coating material to the evaporation temperature of the coating material, and removing the baffle during evaporation;
(2.5) evaporation and piece taking: heating the cover body in the evaporation process, simultaneously controlling the vacuum degree of the vacuum chamber, covering the evaporation source by using a baffle plate and stopping heating after the thickness of the film layer on the outer surface of the cover body meets the requirement, and then taking out the cover body plated with the film layer to obtain the high-luminous-efficiency flash lampshade.
The plastic material is polymethyl methacrylate.
The thickness of the diamond-shaped bump is 0.1 mm-0.18 mm, and the light gathering disk is of a hexagonal frustum structure.
The thickness of the coating film for enhancing the light effect is 4-9 mu m.
The coating film for enhancing the lighting effect is one of a diamond coating film, an Ag coating film, an Au coating film or a Cu coating film.
In the step (2.2), the temperature of the heating cover body is 40-50 ℃, and the time for heating the cover body is 0.5-2 h.
In the step (2.3), the evaporation source is supplied with low power of 80W to 90W.
In the step (2.4), the evaporation source and the source substance are covered by a baffle plate, and then high-power electricity of 1000W-2000W is supplied.
In the step (2.5), the temperature for heating the mask body in the evaporation process is 45-55 ℃.
According to the preparation process of the high-luminous-efficiency flash lampshade, the plurality of rhombic bumps are uniformly distributed on the outer surface of the injection molding lampshade body and can change the light path of the emergent light, so that the emergent light and the light guide are better in uniformity, and the light condensing effect is improved by arranging the light condensing disc, so that the luminous efficiency is improved; in addition, because the outer surface of the cover body is subjected to vacuum evaporation to form a coating film for enhancing the lighting effect, the manufactured flash lampshade can enhance the lighting effect due to the synergistic effect of the diamond-shaped bumps and the coating film for enhancing the lighting effect. In addition, the thin film formed on the surface of the flash lampshade through vacuum evaporation is stable, so that the oxidation resistance of the flash lampshade can be improved. Therefore, the flash lampshade prepared by the preparation process of the flash lampshade capable of enhancing the light efficiency can achieve various expected light efficiencies, so that the optical utilization rate is improved, the light guide is uniform and stable, and the service life is longer; the preparation process of the flash lampshade capable of enhancing the lighting effect, provided by the invention, has the characteristics of simple process method, low production cost and suitability for industrial large-scale production.
The invention is not limited to the above embodiments, and other manufacturing processes for a high luminous efficacy flashlight cover, which are obtained by adopting the same or similar structure, device, process or method as the above embodiments of the invention, are within the protection scope of the invention.

Claims (10)

1. A preparation process of a high-luminous-efficiency flash lampshade is characterized by comprising the following steps:
(1) injection molding the cover body: the cover body is formed by injection molding of a plastic material, a plurality of rhombic lugs are uniformly distributed on the outer surface of the cover body, and a light gathering disc is arranged in the center of the cover body;
(2) coating film on the cover body: carrying out vacuum evaporation on the outer surface of the injection molded cover body to form a coating film for enhancing the lighting effect;
(3) surface cleaning: and (4) placing the high-luminous-efficiency flash lampshade which is coated with the film into ultrasonic cleaning equipment for cleaning.
2. The process for preparing a high luminous efficacy flashlight cover according to claim 1, wherein the step (2) specifically comprises the following steps:
(2.1) cleaning before plating: cleaning the side wall of a vacuum chamber for evaporation and the surface of a fixing frame for fixing the mask body to remove oil stains, rust and residual plating materials;
(2.2) vacuumizing and heating pretreatment: vacuumizing the vacuum chamber, heating the fixed cover body to remove moisture in the vacuum chamber and desorb gas on the surface of the cover body, and pumping the gas out of the vacuum chamber through a vacuum pump;
(2.3) applying low power electricity to the evaporation source: the evaporation source is electrified with low power to preheat or pre-melt the coating material so as to prevent the coating material from being evaporated on the substrate;
(2.4) applying high power electricity to the evaporation source: covering the evaporation source and the source substance by a baffle, then introducing high-power electricity to rapidly heat the coating material to the evaporation temperature of the coating material, and removing the baffle during evaporation;
(2.5) evaporation and piece taking: heating the cover body in the evaporation process, simultaneously controlling the vacuum degree of the vacuum chamber, covering the evaporation source by using a baffle plate and stopping heating after the thickness of the film layer on the outer surface of the cover body meets the requirement, and then taking out the cover body plated with the film layer to obtain the high-luminous-efficiency flash lampshade.
3. The process for preparing a high luminous efficacy flash lampshade according to claim 1, wherein the process comprises the following steps: the plastic material is polymethyl methacrylate.
4. The process for preparing a high luminous efficacy flash lampshade according to claim 1, wherein the process comprises the following steps: the thickness of the diamond-shaped bump is 0.1 mm-0.18 mm, and the light gathering disk is of a hexagonal frustum structure.
5. The process for preparing a high luminous efficacy flash lampshade according to claim 1, wherein the process comprises the following steps: the thickness of the coating film for enhancing the light effect is 4-9 mu m.
6. The process for preparing a high luminous efficacy flash lampshade according to claim 1, wherein the process comprises the following steps: the coating film for enhancing the lighting effect is one of a diamond coating film, an Ag coating film, an Au coating film or a Cu coating film.
7. The process for preparing a flashlight cover capable of enhancing light efficiency according to claim 1, wherein the process comprises the following steps: in the step (2.2), the temperature of the heating cover body is 40-50 ℃, and the time for heating the cover body is 0.5-2 h.
8. The process for preparing a flashlight cover capable of enhancing light efficiency according to claim 1, wherein the process comprises the following steps: in the step (2.3), the evaporation source is supplied with low power of 80W to 90W.
9. The process for preparing a flashlight cover capable of enhancing light efficiency according to claim 1, wherein the process comprises the following steps: in the step (2.4), the evaporation source and the source substance are covered by a baffle plate, and then high-power electricity of 1000W-2000W is supplied.
10. The process for preparing a flashlight cover capable of enhancing light efficiency according to claim 1, wherein the process comprises the following steps: in the step (2.5), the temperature for heating the mask body in the evaporation process is 45-55 ℃.
CN202011466980.6A 2020-12-14 2020-12-14 Preparation process of high-luminous-efficiency flash lampshade Pending CN112626463A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011466980.6A CN112626463A (en) 2020-12-14 2020-12-14 Preparation process of high-luminous-efficiency flash lampshade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011466980.6A CN112626463A (en) 2020-12-14 2020-12-14 Preparation process of high-luminous-efficiency flash lampshade

Publications (1)

Publication Number Publication Date
CN112626463A true CN112626463A (en) 2021-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011466980.6A Pending CN112626463A (en) 2020-12-14 2020-12-14 Preparation process of high-luminous-efficiency flash lampshade

Country Status (1)

Country Link
CN (1) CN112626463A (en)

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