CN116852770A - Optical processing technology for mold car lamp - Google Patents
Optical processing technology for mold car lamp Download PDFInfo
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- CN116852770A CN116852770A CN202310827853.1A CN202310827853A CN116852770A CN 116852770 A CN116852770 A CN 116852770A CN 202310827853 A CN202310827853 A CN 202310827853A CN 116852770 A CN116852770 A CN 116852770A
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- Prior art keywords
- car lamp
- polishing
- mold
- lamp shell
- mold car
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- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 241000258971 Brachiopoda Species 0.000 claims abstract description 79
- 238000005498 polishing Methods 0.000 claims abstract description 69
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 22
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000001771 vacuum deposition Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000007747 plating Methods 0.000 claims description 42
- 239000010410 layer Substances 0.000 claims description 31
- 238000003754 machining Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 21
- 238000001704 evaporation Methods 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- 238000001746 injection moulding Methods 0.000 claims description 8
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 8
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 8
- 238000010422 painting Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000003848 UV Light-Curing Methods 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000004075 alteration Effects 0.000 claims description 4
- 238000005269 aluminizing Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 4
- 238000007590 electrostatic spraying Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 238000007517 polishing process Methods 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 238000004544 sputter deposition Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 238000004383 yellowing Methods 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 abstract 1
- 239000004848 polyfunctional curative Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an optical processing technology of a mold car lamp, which comprises the following steps: s1, polishing a lamp shell: locking a mold car lamp shell on a polishing machine bed, taking a central point as a circle center, establishing a rotating parabolic curved surface, penetrating a polishing grinding head into the mold car lamp shell, rotationally polishing the inner side wall of the mold car lamp shell, polishing the inner side of the mold car lamp shell while dripping polishing emulsion until the inner wall of the mold car lamp shell is smooth and has no flaws; s2, vacuum coating a silicon dioxide film: uniformly spraying a layer of silicone oil on the surface of the mould car lamp shell after surface polishing; according to the process, the aluminum film is sputtered on the reflecting surface of the lamp housing of the die car, so that certain protruding points exist on the reflecting surface of the lamp housing, the diffuse reflection degree of light can be increased while the light is reflected, and further the problems of light concentration and dazzling of the car lamp can be avoided.
Description
Technical Field
The invention relates to the technical field of mold car lamp machining, in particular to an optical machining process of a mold car lamp.
Background
The car lamp is used on a vehicle, is a tool for lighting the road when the vehicle runs at night, and is also a prompting tool for sending various vehicle running signals, and the integral structure, related parameters and the like of the car lamp are restored by the whole car lamp of the mould, so that researchers can study the car lamp. At present, a common die car lamp optical processing technology adopts a polishing mode to increase the flatness of a die car lamp shell, and is matched with a metal coating on a reflecting surface of a lamp shell so as to achieve the reflecting effect.
According to the search, the application number is 201811486588.0, and the feeding amount of the polishing cutter is optimized, so that the processing of the optical surface of the car lamp of the die is realized. However, the applicant believes that the following disadvantages exist in the rising prior art for producing a mould vehicle lamp:
the processing of the optical surface is realized only by improving the flatness of the reflecting surface of the die car lamp shell, the produced car lamp has concentrated light rays, is quite glaring and has certain potential safety hazard, so that the unreasonable processing technology needs to be adjusted.
Disclosure of Invention
The invention aims to provide a die car lamp optical processing technology, which aims to solve the problems that car lamps produced by the existing car lamp optical processing technology in the background art are concentrated and glaring in light rays and have certain potential safety hazards.
Therefore, the invention provides a die car lamp optical processing technology, which comprises the following steps:
s1, polishing a lamp shell: locking a mold car lamp shell on a polishing machine bed, taking a central point as a circle center, establishing a rotating parabolic curved surface, penetrating a polishing grinding head into the mold car lamp shell, rotationally polishing the inner side wall of the mold car lamp shell, polishing the inner side of the mold car lamp shell while dripping polishing emulsion until the inner wall of the mold car lamp shell is smooth and has no flaws;
s2, vacuum coating a silicon dioxide film: uniformly spraying a layer of silicon oil on the surface of the mould car lamp shell after surface polishing, introducing nitric oxide gas in a closed environment, adopting silicon dioxide as an evaporation source, and evaporating a layer of silicon dioxide protective film on the surface of the mould car lamp shell in an evaporation mode;
s3, vacuum aluminizing: placing the mold car lamp shell after the plating into an aluminum plating machine, plating a layer of aluminum film on the surface of the silicon dioxide plating layer in a sputtering mode in a vacuum environment so as to increase the metal texture and diffuse reflection performance of the mold car lamp shell, and screening the mold car lamp shell with uniform plating thickness and no chromatic aberration;
s4, preparing a lampshade: according to the size of the mold car lamp housing, an optical PMMA material or an optical PC material is used as a base material, a light-transmitting lamp housing matched with the mold car lamp housing is manufactured in an injection molding mode through an injection molding machine, and the edge of the light-transmitting lamp housing is grooved so that the light-transmitting lamp housing can be fixed on the mold car lamp housing in a clamping mode;
s5, spraying a lampshade: spraying a layer of hardening agent on the outer surface of the light-transmitting lampshade to increase the structural strength of the surface of the light-transmitting lampshade, and spraying an anti-fog coating on the inner surface of the light-transmitting lampshade to increase the anti-fog light transmittance of the lampshade;
s6, mounting a lamp set: the LED array solid-state lamp module is selected, is arranged in the mold car lamp housing in an embedding and fixing mode, is packaged through the transparent car lamp housing, and is smeared with sealant at a spliced gap after being packaged;
s7, surface paint spraying: and (5) painting and painting the outer surface of the mold car lamp shell.
Preferably, the polishing of the reflecting surface of the mold car lamp shell comprises rough machining and finish machining, wherein a 0.2mm allowance is reserved between the polishing cutter and the mold car lamp shell in the rough polishing machining process, and a 0.05mm allowance is reserved between the polishing cutter and the mold car lamp shell in the finish polishing machining process until the whole polishing machining is completed.
Preferably, during finish polishing, the polishing surface is required to have no tool mark, the reflecting surface is polished in parallel, then the edge opening is polished as an extension surface, the tool is not lifted in the whole polishing process, and the edge and the corner of the mold car lamp housing are polished after the reflecting surface is processed.
Preferably, in the steps S2 and S3, both are performed in a vacuum environment, the vacuum degree is set at 0.0009-0.0010Pa, the vapor deposition temperature is set at 280-300 ℃, and the vapor deposition time is controlled at 30-40 min.
Preferably, in the steps S2 and S3, after the silicon dioxide protective film is plated, the shell of the mold car after the film plating needs to be detected, so that after the problem of no plating leakage is ensured, the aluminum plating operation can be performed, and after the aluminum plating operation is finished, whether the surface of the shell of the mold after the film plating is yellowing, the aluminum product is not completely gasified and is agglomerated is detected.
Preferably, in the step S5, when the light-transmitting lampshade is sprayed with the hardener, a layer of isolating film is stuck on the inner surface of the light-transmitting lampshade, and after the layer of hardener is sprayed on the surface of the light-transmitting lampshade in an electrostatic spraying manner, the light-transmitting lampshade is baked by a UV lamp, wherein the hardener adopts an acrylic thermosetting resin; when the anti-fog coating is sprayed on the transparent lampshade, tearing off the isolating film adhered to the inner surface of the transparent lampshade, adhering the isolating film to the outer side of the transparent lampshade again, and forming an anti-fog coating layer on the inner surface of the transparent lampshade in an atomized spraying mode, wherein the anti-fog coating layer adopts any one of UV light curing anti-fog coating or thermosetting anti-fog coating.
Preferably, the depth of the reflecting surface of the mould car lamp shell is controlled to be 150-180 mm, the mould car lamp shell is manufactured by grinding by adopting a five-axis machine tool, and a tungsten steel knife is adopted as a grinding material.
Preferably, in the step S2, a magnesium fluoride material may be used instead of the silica film, and a layer of magnesium fluoride film is evaporated on the reflecting surface of the mold car lamp shell to increase the adhesion degree of the aluminum film.
The optical processing technology of the mold car lamp has the beneficial effects that: according to the process, the aluminum film is sputtered on the reflecting surface of the lamp housing of the mold car, so that certain protruding points exist on the reflecting surface of the lamp housing, the diffuse reflection degree of light can be increased while the light is reflected, and further the problems of light concentration and dazzling of the car lamp can be avoided.
Drawings
Fig. 1 is a diagram of the present invention.
Detailed Description
The technical scheme of the invention is described in detail through specific embodiments.
Embodiment one:
referring to fig. 1, the invention provides an optical processing technology of a mold car lamp, comprising the following steps: s1, polishing a lamp shell: locking a mold car lamp shell on a polishing machine bed, taking a central point as a circle center, establishing a rotating parabolic curved surface, penetrating a polishing grinding head into the mold car lamp shell, rotationally polishing the inner side wall of the mold car lamp shell, polishing the inner side of the mold car lamp shell while dripping polishing emulsion until the inner wall of the mold car lamp shell is smooth and has no flaws; the polishing of the reflecting surface of the mold car lamp shell comprises rough machining and finish machining, wherein a 0.2mm allowance is reserved between a polishing cutter and the mold car lamp shell in the rough polishing machining process, and a 0.05mm allowance is reserved between the polishing cutter and the mold car lamp shell in the finish polishing machining process until the whole polishing machining is completed; during finish polishing, the polishing surface is required to have no tool mark, the reflecting surface is polished in parallel, then the edge opening is polished to form an extension surface, the tool is not lifted in the whole polishing process, and the edge and the corner of the mold car lamp housing are polished after the reflecting surface is processed.
S2, vacuum coating a silicon dioxide film: uniformly spraying a layer of silicon oil on the surface of the mould car lamp shell after surface polishing, introducing nitric oxide gas in a closed environment, adopting silicon dioxide as an evaporation source, and evaporating a layer of silicon dioxide protective film on the surface of the mould car lamp shell in an evaporation mode;
s3, vacuum aluminizing: placing the mold car lamp shell after the plating into an aluminum plating machine, plating a layer of aluminum film on the surface of the silicon dioxide plating layer in a sputtering mode in a vacuum environment so as to increase the metal texture and diffuse reflection performance of the mold car lamp shell, and screening the mold car lamp shell with uniform plating thickness and no chromatic aberration; in the steps S2 and S3, both are carried out in a vacuum environment, the vacuum degree is set to be 0.0009-0.0010Pa, the evaporation temperature is set to be 280-300 ℃, and the evaporation time is controlled to be 30-40 min; after the silicon dioxide protective film is plated, the shell of the mold car after the film plating needs to be detected to ensure that the aluminum plating operation can be carried out after the problem of no plating leakage, and after the aluminum plating operation is finished, whether the surface of the shell of the mold after the film plating is yellowing or not is detected, and the phenomenon that aluminum products are not completely gasified and agglomerate is avoided.
S4, preparing a lampshade: according to the size of the mold car lamp housing, an optical PMMA material or an optical PC material is used as a base material, a light-transmitting lamp housing matched with the mold car lamp housing is manufactured in an injection molding mode through an injection molding machine, and the edge of the light-transmitting lamp housing is grooved so that the light-transmitting lamp housing can be fixed on the mold car lamp housing in a clamping mode;
s5, spraying a lampshade: spraying a layer of hardening agent on the outer surface of the light-transmitting lampshade to increase the structural strength of the surface of the light-transmitting lampshade, and spraying an anti-fog coating on the inner surface of the light-transmitting lampshade to increase the anti-fog light transmittance of the lampshade; in the S5 step, when the hardening agent is sprayed on the transparent lampshade, firstly, pasting a layer of isolating film on the inner surface of the transparent lampshade, and adopting an electrostatic spraying mode to spray a layer of hardening agent on the surface of the transparent lampshade, and then adopting a UV lamp to bake, wherein the hardening agent adopts acrylic thermosetting resin; when the anti-fog coating is sprayed on the transparent lampshade, tearing off the isolating film stuck on the inner surface of the transparent lampshade, sticking the isolating film on the outer side of the transparent lampshade again, and forming a layer of anti-fog coating on the inner surface of the transparent lampshade in an atomization spraying mode, wherein the anti-fog coating adopts any one of UV light curing anti-fog coating or thermosetting anti-fog coating;
s6, mounting a lamp set: the LED array solid-state lamp module is selected, is arranged in the mold car lamp housing in an embedding and fixing mode, is packaged through the transparent car lamp housing, and is smeared with sealant at a spliced gap after being packaged;
s7, surface paint spraying: and (5) painting and painting the outer surface of the mold car lamp shell.
The depth of the reflecting surface of the mould car lamp shell is controlled to be 150-180 mm, the mould car lamp shell is manufactured by grinding by adopting a five-axis machine tool, and a tungsten steel knife is adopted as a grinding material.
In this embodiment: firstly, after polishing the reflecting surface of the lamp housing of the die, firstly plating a layer of silicon dioxide film, then plating a layer of aluminum film, and paving a bottom by using silicon dioxide materials, so that the aluminum film is more compact, the adhesive force is larger, the problem that the aluminum film falls off is not easy to occur, the aluminum film is sputtered on the reflecting surface, a certain convex point exists on the reflecting surface of the lamp housing, the diffuse reflection degree of light can be increased while the light is reflected, and then the problems of light concentration and glaring of the lamp can be avoided.
Embodiment two:
referring to fig. 1, the invention provides an optical processing technology of a mold car lamp, comprising the following steps: s1, polishing a lamp shell: locking a mold car lamp shell on a polishing machine bed, taking a central point as a circle center, establishing a rotating parabolic curved surface, penetrating a polishing grinding head into the mold car lamp shell, rotationally polishing the inner side wall of the mold car lamp shell, polishing the inner side of the mold car lamp shell while dripping polishing emulsion until the inner wall of the mold car lamp shell is smooth and has no flaws; the polishing of the reflecting surface of the mold car lamp shell comprises rough machining and finish machining, wherein a 0.2mm allowance is reserved between a polishing cutter and the mold car lamp shell in the rough polishing machining process, and a 0.05mm allowance is reserved between the polishing cutter and the mold car lamp shell in the finish polishing machining process until the whole polishing machining is completed; during finish polishing, the polishing surface is required to have no tool mark, the reflecting surface is polished in parallel, then the edge opening is polished to form an extension surface, the tool is not lifted in the whole polishing process, and the edge and the corner of the mold car lamp housing are polished after the reflecting surface is processed.
S2, vacuum coating magnesium fluoride: evaporating a magnesium fluoride protective film on the surface of the mold car lamp shell by utilizing an evaporation mode;
s3, vacuum aluminizing: placing the mold car lamp shell after the plating into an aluminum plating machine, plating a layer of aluminum film on the surface of the silicon dioxide plating layer in a sputtering mode in a vacuum environment so as to increase the metal texture and diffuse reflection performance of the mold car lamp shell, and screening the mold car lamp shell with uniform plating thickness and no chromatic aberration; in the steps S2 and S3, both are carried out in a vacuum environment, the vacuum degree is set to be 0.0009-0.0010Pa, the evaporation temperature is set to be 280-300 ℃, and the evaporation time is controlled to be 30-40 min; after the silicon dioxide protective film is plated, the shell of the mold car after the film plating needs to be detected to ensure that the aluminum plating operation can be carried out after the problem of no plating leakage, and after the aluminum plating operation is finished, whether the surface of the shell of the mold after the film plating is yellowing or not is detected, and the phenomenon that aluminum products are not completely gasified and agglomerate is avoided.
S4, preparing a lampshade: according to the size of the mold car lamp housing, an optical PMMA material or an optical PC material is used as a base material, a light-transmitting lamp housing matched with the mold car lamp housing is manufactured in an injection molding mode through an injection molding machine, and the edge of the light-transmitting lamp housing is grooved so that the light-transmitting lamp housing can be fixed on the mold car lamp housing in a clamping mode;
s5, spraying a lampshade: spraying a layer of hardening agent on the outer surface of the light-transmitting lampshade to increase the structural strength of the surface of the light-transmitting lampshade, and spraying an anti-fog coating on the inner surface of the light-transmitting lampshade to increase the anti-fog light transmittance of the lampshade; in the S5 step, when the hardening agent is sprayed on the transparent lampshade, firstly, pasting a layer of isolating film on the inner surface of the transparent lampshade, and adopting an electrostatic spraying mode to spray a layer of hardening agent on the surface of the transparent lampshade, and then adopting a UV lamp to bake, wherein the hardening agent adopts acrylic thermosetting resin; when the anti-fog coating is sprayed on the transparent lampshade, tearing off the isolating film stuck on the inner surface of the transparent lampshade, sticking the isolating film on the outer side of the transparent lampshade again, and forming a layer of anti-fog coating on the inner surface of the transparent lampshade in an atomization spraying mode, wherein the anti-fog coating adopts any one of UV light curing anti-fog coating or thermosetting anti-fog coating;
s6, mounting a lamp set: the LED array solid-state lamp module is selected, is arranged in the mold car lamp housing in an embedding and fixing mode, is packaged through the transparent car lamp housing, and is smeared with sealant at a spliced gap after being packaged;
s7, surface paint spraying: and (5) painting and painting the outer surface of the mold car lamp shell.
The depth of the reflecting surface of the mould car lamp shell is controlled to be 150-180 mm, the mould car lamp shell is manufactured by grinding by adopting a five-axis machine tool, and a tungsten steel knife is adopted as a grinding material.
In this embodiment: compared with the first embodiment, the embodiment replaces silicon dioxide materials with magnesium fluoride, and the aluminum film is primed with the magnesium fluoride materials, so that the purpose of increasing the adhesion strength of the aluminum film can be achieved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (8)
1. The optical processing technology of the mold car lamp is characterized by comprising the following steps of: the method comprises the following steps:
s1, polishing a lamp shell: locking a mold car lamp shell on a polishing machine bed, taking a central point as a circle center, establishing a rotating parabolic curved surface, penetrating a polishing grinding head into the mold car lamp shell, rotationally polishing the inner side wall of the mold car lamp shell, polishing the inner side of the mold car lamp shell while dripping polishing emulsion until the inner wall of the mold car lamp shell is smooth and has no flaws;
s2, vacuum coating a silicon dioxide film: uniformly spraying a layer of silicon oil on the surface of the mould car lamp shell after surface polishing, introducing nitric oxide gas in a closed environment, adopting silicon dioxide as an evaporation source, and evaporating a layer of silicon dioxide protective film on the surface of the mould car lamp shell in an evaporation mode;
s3, vacuum aluminizing: placing the mold car lamp shell after the plating into an aluminum plating machine, plating a layer of aluminum film on the surface of the silicon dioxide plating layer in a sputtering mode in a vacuum environment so as to increase the metal texture and diffuse reflection performance of the mold car lamp shell, and screening the mold car lamp shell with uniform plating thickness and no chromatic aberration;
s4, preparing a lampshade: according to the size of the mold car lamp housing, an optical PMMA material or an optical PC material is used as a base material, a light-transmitting lamp housing matched with the mold car lamp housing is manufactured in an injection molding mode through an injection molding machine, and the edge of the light-transmitting lamp housing is grooved so that the light-transmitting lamp housing can be fixed on the mold car lamp housing in a clamping mode;
s5, spraying a lampshade: spraying a layer of hardening agent on the outer surface of the light-transmitting lampshade to increase the structural strength of the surface of the light-transmitting lampshade, and spraying an anti-fog coating on the inner surface of the light-transmitting lampshade to increase the anti-fog light transmittance of the lampshade;
s6, mounting a lamp set: the LED array solid-state lamp module is selected, is arranged in the mold car lamp housing in an embedding and fixing mode, is packaged through the transparent car lamp housing, and is smeared with sealant at a spliced gap after being packaged;
s7, surface paint spraying: and (5) painting and painting the outer surface of the mold car lamp shell.
2. The optical processing technology for the mold car lamp according to claim 1, wherein: the polishing of the mould car lamp shell reflecting surface comprises rough machining and finish machining, wherein a 0.2mm allowance is reserved between the polishing cutter and the mould car lamp shell in the rough polishing machining process, and a 0.05mm allowance is reserved between the polishing cutter and the mould car lamp shell in the finish polishing machining process until the whole polishing machining is completed.
3. The optical processing technology of the mold car lamp according to claim 2, wherein: during finish polishing, the polishing surface is required to have no tool mark, the reflecting surface is polished in parallel, then the edge opening is polished to form an extension surface, the tool is not lifted in the whole polishing process, and the edge and the corner of the mold car lamp housing are polished after the reflecting surface is processed.
4. The optical processing technology for the mold car lamp according to claim 1, wherein: in the steps S2 and S3, the steps are carried out in a vacuum environment, the vacuum degree is set to be 0.0009-0.0010Pa, the evaporation temperature is set to be 280-300 ℃, and the evaporation time is controlled to be 30-40 min.
5. The optical processing technology for the mold car lamp according to claim 1, wherein: in the steps S2 and S3, after the silicon dioxide protective film is plated, the shell of the mold car after the film plating needs to be detected, so that after the problem of no plating leakage is solved, the aluminum plating operation can be performed, and after the aluminum plating operation is finished, whether the surface of the shell of the mold after the film plating is yellowing or not is detected, and the phenomenon that aluminum products are not completely gasified and agglomerate is avoided.
6. The optical processing technology for the mold car lamp according to claim 1, wherein: in the step S5, when the hardening agent is sprayed on the transparent lampshade, firstly, pasting a layer of isolating film on the inner surface of the transparent lampshade, and adopting an electrostatic spraying mode to spray a layer of hardening agent on the surface of the transparent lampshade, and then adopting a UV lamp to bake, wherein the hardening agent adopts acrylic thermosetting resin; when the anti-fog coating is sprayed on the transparent lampshade, tearing off the isolating film adhered to the inner surface of the transparent lampshade, adhering the isolating film to the outer side of the transparent lampshade again, and forming an anti-fog coating layer on the inner surface of the transparent lampshade in an atomized spraying mode, wherein the anti-fog coating layer adopts any one of UV light curing anti-fog coating or thermosetting anti-fog coating.
7. The optical processing technology for the mold car lamp according to claim 1, wherein: the depth of the reflecting surface of the mould car lamp shell is controlled to be 150-180 mm, the mould car lamp shell is manufactured by grinding with a five-axis machine tool, and a tungsten steel knife is adopted as a grinding material.
8. The optical processing technology for the mold car lamp according to claim 1, wherein: in the step S2, a magnesium fluoride material can be used for replacing a silicon dioxide film, and a magnesium fluoride film is evaporated on the reflecting surface of the mold car lamp shell to increase the adhesion degree of an aluminum film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310827853.1A CN116852770A (en) | 2023-07-07 | 2023-07-07 | Optical processing technology for mold car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310827853.1A CN116852770A (en) | 2023-07-07 | 2023-07-07 | Optical processing technology for mold car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116852770A true CN116852770A (en) | 2023-10-10 |
Family
ID=88218545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310827853.1A Pending CN116852770A (en) | 2023-07-07 | 2023-07-07 | Optical processing technology for mold car lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116852770A (en) |
-
2023
- 2023-07-07 CN CN202310827853.1A patent/CN116852770A/en active Pending
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