CN106670083A - Electroplate-imitation machining technique for surfaces of hardware workpieces - Google Patents
Electroplate-imitation machining technique for surfaces of hardware workpieces Download PDFInfo
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- CN106670083A CN106670083A CN201611153733.4A CN201611153733A CN106670083A CN 106670083 A CN106670083 A CN 106670083A CN 201611153733 A CN201611153733 A CN 201611153733A CN 106670083 A CN106670083 A CN 106670083A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
- B05D7/148—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using epoxy-polyolefin systems in mono- or multilayers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an electroplate-imitation machining technique for the surfaces of hardware workpieces. The electroplate-imitation machining technique sequentially comprises the following steps that priming paint is sprayed, the surfaces of the workpieces are evenly sprayed with UV priming paint, and the UV priming paint is solidified to form a film; vacuum coating is conducted, the workpieces sprayed with the priming paint are stored in the vacuum environment, and the workpieces are each evenly coated with a film coating layer through a distillation or sputtering mode; finish paint is sprayed, high-temperature sunshine paint is evenly sprayed on the film coating layer; and coloring is conducted, and the workpieces are completely steeped in a coloring agent to enable the surfaces of the workpieces to be colored. The electroplate-imitation machining technique for the surfaces of the hardware workpieces has the advantages that the electroplate-imitation machining technique is safe and environmentally friendly, high in production efficiency, even in coloring and capable of improving abrasive resistance, adhesive force and hardness of surface coatings of products.
Description
Technical field
The present invention relates to a kind of processing technique, more particularly to a kind of imitative electroplating processing process for hardware workpiece surface.
Background technology
As people are to product appearance quality and the requirement more and more higher of aesthetic property, people have been no longer satisfied with product sheet
The color that the material of body has, has the coating of more abundant color and beautiful gloss to allow the surface of product,
Product surface would generally be electroplated or spray painting is processed.
When processing product surface using electric plating method, need to carry out acid to product surface using acid solution
Wash, acid solution has stronger corrosivity, and easily staff is damaged, and containing more poisonous in electroplate liquid
Material, the electroplate liquid and acid solution after use is directly discharged easily to environment, carries out sewage treatment cost again non-
Chang Gao.
In prior art, have been disclosed for some processing methods that imitative plating is carried out to surface of the work, its procedure of processing according to
It is secondary finally surface of the work to be painted by the way of spraying including spray-applied primer, vacuum coating, spray paint, but it is existing
In spray-applied primer, generally using common priming paint, this makes the plated film formed on priming paint after vacuum coating to some processing methods
The very poor and common priming paint of layer adhesive force is bad with the associativity of finish paint so that topcoat is not firm enough, easily comes off,
Colouring process is carried out to workpiece by the way of spray gun spraying, surface of the work colouring can be made not enough uniformly, working (machining) efficiency is relatively low.
The content of the invention
Present invention seek to address that above-mentioned mentioned technical problem, there is provided a kind of production efficiency is high, colouring is uniform and energy
Improve the processing technique of the adhesive force of product surface coating and the imitative plating of hardness.
The present invention is realized by following technical scheme：Work is processed in a kind of imitative plating for hardware workpiece surface
Skill, it is characterised in that comprise the following steps successively：
（（1）Primer spray, makes surface of the work equably spray painting UV primer and make UV solidifying priming paint film forming；
（2）Vacuum coating, the workpiece after primer spray is positioned in vacuum environment, by way of distilling or sputtering, so that work
One layer of film plating layer is uniformly covered on part；
（3）Topcoating, uniformly sprays finish paint on film plating layer；
（4）Dyeing, workpiece is completely soaked in stain, so that surface of the work uniform coloring.
Preferably, the UV priming paint is consisted of the following components in percentage by weight：Acroleic acid polyurethane 12%-18%, propylene
Sour epoxy-ester 8%-15%, methoxy acrylate 15%-25%, dimethoxybenzoin 1%-5%, silicon dioxide 5%-10%, acetic acid fourth
Ester fiber element 1%-3%, alkyl phosphate conjugate 3%-7%, and it is supplemented to 100% with butyl acetate.
Preferably, the finish paint is high temperature light paint, and the high temperature light is painted by following components in percentage by weight
Composition：Epoxy modified acrylic resin 20%-30%, synthetic fatty acid alkyd resin 10%-15%, Pulvis Talci 5%-8%, silicon dioxide
10%-15%, titanate esters conjugate 3%-8%, butyl acetate cellulose 1%-3%, di-cyclohexylperoxy di-carbonate 2%-5%, are used in combination
Butyl acetate is supplemented to 100%.
Preferably, before the primer spray step, also including pre-treatment step, in the pre-treatment step, by by work
Part is soaked in and is loaded with the ultrasonic cleaner of degreasing agent, oil water removal and aqueous rust preventive, remove surface of the work oils and fatss, wax dirt and
Rusty stain.
Preferably, between the pre-treatment step and primer spray step, also including inorganic agent cleaning step, the inorganic agent
In cleaning step, surface of the work is cleaned using inorganic agent, remove degreasing agent, oil water removal and the antirust of surface of the work residual
Water.
Preferably, after the inorganic agent cleaning step, workpiece is positioned in 120 DEG C -160 DEG C of temperature environment, until
Surface of the work is dried completely.
Preferably, sprayed using electrostatic gun in the primer spray step and topcoating step.
Preferably, when making UV solidifying priming paint film forming in the primer spray step, by the ultraviolet of 1750 energy degree to workpiece
Surface is irradiated 1-3 minutes, so that the UV priming paint freezing films of surface of the work.
Preferably, it is characterised in that the stain in the colouring step is made up of toner and water, by the work after topcoating
After part is soaked in stain, heat treatment is carried out to stain, the temperature for making stain is maintained at 60-80 DEG C.
Preferably, after the colouring step, workpiece is positioned over middle baking 50-60 point in 110-130 DEG C of temperature environment
Clock, until stain is dried completely with high temperature light paint.
Beneficial effect is：Compared with prior art, work is processed in a kind of imitative plating for hardware workpiece surface of the invention
Skill before vacuum coating by workpiece surface spraying UV priming paint, improve the film plating layer formed after vacuum coating on UV priming paint
Adhesive force, and the spray paint after vacuum coating improves the hardness of film plating layer, and protection can be played to film plating layer
Effect, prevent the exposed oxidation by air in atmosphere of film plating layer, using immersion by the way of dyeing process, technique are carried out to workpiece
Simpler, production efficiency is higher, and can improve the uniformity of surface of the work colouring, using the processing technique pair of the present invention
After surface of the work is processed, product can be made under the salt spray test of 48-120h, appearance ratings reach 6-8 levels, and applicant is led to
After crossing substantial amounts of pilot production, existing UV priming paint is improved so that table of the UV priming paint after improvement in five metals material
There is extremely strong adhesive force, and the spraying high temperature light paint after vacuum coating after the film-forming of face, surface of the work is made more
The associativity of the UV priming paint after light, with improvement more preferably, improves the adhesive force of high temperature light paint, so that surface of the work
More smooth full, wearability is good, additionally, easily not right using strong acid and strong base in the processing technique pre-treatment step of the present invention
Surface of the work is processed, and improves the safety of the course of processing, and the degreasing agent in the pre-treatment step of the present invention, oil removing
Water and aqueous rust preventive usage cycles are long, can recycle, and reduce the discharge of waste water, and will not cause dirt to environment when discharging
Dye, more energy-conserving and environment-protective reduce production cost.
Specific embodiment
A kind of imitative electroplating processing process for hardware workpiece surface, comprises the following steps successively：
Primer spray, makes surface of the work equably spray painting UV primer and make UV solidifying priming paint film forming, so that the surface of workpiece is formed
One layer of smooth UV prime coat, can so improve the adhesive force of film plating layer, and the workpiece material processed in the present invention can be five
Golden material.
Vacuum coating, the workpiece and aluminium flake after primer spray is positioned in vacuum environment, and makes the temperature in vacuum environment
Design temperature is brought up to, aluminium flake distils at a set temperature, and be attached to surface of the work, so that uniform on workpiece cover one layer
Film plating layer, by the way of vacuum coating, by the very short time film plating layer can be just obtained, and improve the plating membrane efficiency of workpiece, and
And the thickness of film plating layer is uniform, adhesive force is strong so that the surface quality of workpiece is higher, by the way of the plated film of vacuum with it is common
Plating compare, it is not necessary to use electroplate liquid, thus more environmentally-friendly.
Topcoating, by the surface of the work after vacuum coating high temperature light paint is uniformly sprayed, and finish paint can improve plated film
The hardness of layer, and film plating layer can also be played a protective role, prevent film plating layer to be exposed to air and be oxidized.
Dyeing, workpiece is completely soaked in stain liquid, so that surface of the work coloring, to work by way of immersion
The surface of part is painted, and the surface that can make workpiece colours evenly, keeps surface of the work tone consistent, and the side soaked
Formula technique is simpler, can be with improve production efficiency.
The UV priming paint adopted in the present invention is different with existing UV priming paint, and existing UV priming paint is commonly available to plastics
Or wood materials, when the spraying to five metals material is carried out, existing UV priming paint adhesive force is excessively poor, through the big of inventor
After amount pilot production, existing UV priming paint is improved, the UV priming paint after improvement is by following components in percentage by weight group
Into：Acroleic acid polyurethane 12%-18%, acrylic acid epoxy ester 8%-15%, methoxy acrylate 15%-25%, dimethoxybenzoin
1%-5%, silicon dioxide 5%-10%, butyl acetate cellulose 1%-3%, alkyl phosphate conjugate 3%-7%, and mended with butyl acetate
100% is charged to, the UV priming paint after improvement is greatly improved in the surface adhesion force of five metals material with hardness, after improvement
UV priming paint has following three kinds of embodiments：
Embodiment one, the UV priming paint after improvement is consisted of the following components in percentage by weight：Acroleic acid polyurethane 12%, propylene
Sour epoxy-ester 8%, methoxy acrylate 15%, dimethoxybenzoin 1%, silicon dioxide 5%, butyl acetate cellulose 1%, alkyl
Phosphate ester conjugate 3%, and it is supplemented to 100% with butyl acetate.
Embodiment two, the UV priming paint after improvement is consisted of the following components in percentage by weight：Acroleic acid polyurethane 18%,
Acrylic acid epoxy ester 15%, methoxy acrylate 25%, dimethoxybenzoin 5%, silica 1 0%, butyl acetate cellulose
3%th, alkyl phosphate conjugate 7%, and it is supplemented to 100% with butyl acetate.
Embodiment three, the UV priming paint after improvement is consisted of the following components in percentage by weight：Acroleic acid polyurethane 15%,
Acrylic acid epoxy ester 12%, methoxy acrylate 20%, dimethoxybenzoin 3%, silicon dioxide 8%, butyl acetate cellulose 2%,
Alkyl phosphate conjugate 5%, and it is supplemented to 100% with butyl acetate.
In existing processing technique, UV finish paints are sprayed generally after vacuum coating, but after spraying UV finish paints, need to carry out
After ultraviolet irradiation could freezing film, and UV finish paints are unable to high temperature resistant, and glossiness is poor, and used in the present invention
Finish paint is high temperature light paint, and the high temperature light of the present invention is painted after improvement, it is only necessary to just can be coagulated through common baking
Gu film forming, high temperature light paint can make product surface brighter, more glossy, and also with resistant to elevated temperatures spy
Property, meanwhile, high temperature light paint can be good at combining with the UV priming paint in the present invention so that high temperature light is painted after spray coating
It is more uniform, full, adhesive force and wearability it is higher, the present invention in high temperature light paint by following components in percentage by weight
Composition：Epoxy modified acrylic resin 20%-30%, synthetic fatty acid alkyd resin 10%-15%, Pulvis Talci 5%-8%, silicon dioxide
10%-15%, titanate esters conjugate 3%-8%, butyl acetate cellulose 1%-3%, di-cyclohexylperoxy di-carbonate 2%-5%, are used in combination
Butyl acetate is supplemented to 100%, and high temperature light paint has following three kinds of embodiments：
Embodiment one, high temperature light paint is consisted of the following components in percentage by weight：Epoxy modified acrylic resin 20%,
Synthetic fatty acid alkyd resin 10%, Pulvis Talci 5%, silica 1 0%, titanate esters conjugate 3%, butyl acetate cellulose 1%, mistake
Two dicyclohexyl carbonates 2% are aoxidized, and 100% is supplemented to butyl acetate.
Embodiment two, high temperature light paint is consisted of the following components in percentage by weight：Epoxy modified acrylic resin
30%th, synthetic fatty acid alkyd resin 15%, Pulvis Talci 8%, silica 1 5%, titanate esters conjugate 8%, butyl acetate cellulose
3%th, di-cyclohexylperoxy di-carbonate 5%, and it is supplemented to 100% with butyl acetate.
Embodiment three, high temperature light paint is consisted of the following components in percentage by weight：Epoxy modified acrylic resin
15%th, synthetic fatty acid alkyd resin 12%, Pulvis Talci 7%, silica 1 2%, titanate esters conjugate 5%, butyl acetate cellulose
2%th, di-cyclohexylperoxy di-carbonate 3%, and it is supplemented to 100% with butyl acetate.
Before primer spray step, pre-treatment step can also be set, in pre-treatment step, workpiece is soaked in and is loaded with
In the ultrasonic cleaner of degreasing agent, oil water removal and aqueous rust preventive, ultrasonic cleaner is the strong cavitation produced using ultrasound wave
The dirt of surface of the work is peeled off and come off by effect and vibration, while can also decompose oleaginous dirt and emulsifying, adds defat
Agent, oil water removal and aqueous rust preventive, can accelerate the cleaning performance of ultrasound wave so that cleaning performance is more preferable, after cleaning, surface of the work
Oils and fatss and other dirts can be cleaned up completely, and can also carry out antirust treatment to surface of the work, will not be to workpiece
Surface causes to damage, so that in spray painting UV primer, UV priming paint is higher in the adhesive force of surface of the work, traditional pretreatment
Step is that workpiece is positioned in acid solution to carry out pickling, and the acid solution that acidity is adopted has very strong corrosivity, no
Only the surface of workpiece can be caused to damage, also staff can be damaged, the acid waste liquid after pickling can be caused to environment
Very big pollution, after acidity, a part of acid solution can remain in surface of the work to workpiece, although acid solution can be by priming paint
Layer, film plating layer and top coat layer are covered, but product is after a protracted use and in the higher environment of temperature, capped
Acid solution can be evaporated, and be adsorbed in product surface, can so reduce the adhesive force of priming paint, and user can be caused
Certain injury.
Between pre-treatment step and primer spray step, inorganic agent cleaning step can also be set, in inorganic agent cleaning step,
Workpiece 8-12min in inorganic agent be can be soaked in, degreasing agent, oil water removal and the aqueous rust preventive of surface of the work residual removed, and
Oils and fatss after emulsifying and other dirts are completely cleaned up, surface of the work is cleaned completely totally, so that workpiece table
After the spray painting UV primer of face, the adhesive force of UV priming paint is higher.
After inorganic agent cleaning step, workpiece can be positioned in 120 DEG C -160 DEG C of temperature environment, until surface of the work
Dried completely, be dried surface of the work, totally clean, after spray painting UV primer, the adhesive force of UV priming paint can be improved.
When carrying out the spraying that UV priming paint and high temperature light are painted in primer spray step and topcoating step, can using quiet
Electric spray gun is sprayed, and electrostatic gun using low pressure high atomization device and by electrostatic generator by producing static electric field
Power, UV priming paint and high temperature light paint efficiently, are quickly sprayed into the surface of workpiece, and in the effect of static electric field power
Under, UV priming paint and high temperature light paint can more uniformly spray in surface of the work.
When being dried in primer spray step, electrostatic gun can be passed through by one layer of UV priming paint of surface of the work even application
Afterwards, then 1-3 minutes are irradiated by the ultraviolet of 1750 energy degree, so that the UV priming paint freezing films of surface of the work, generally
UV paints are all the ultraviolet irradiations by 700-900 energy degree, and this causes UV paints very poor in film-forming postadhesion power, and firmly
Degree is not high enough, and, for the UV priming paint after improvement, the UV priming paint after improvement can be in 1750 energy degree for the priming paint adopted in the present invention
Ultraviolet irradiation under can promote the decomposition of initiator in UV priming paint, free radical is produced, so that UV priming paint produces resin
Reaction, freezing film which enhances the adhesive force and hardness of UV priming paint.
Stain in colouring step can be made up of toner and water, can be selected according to the colouring needs of different product
The toner of different colours is modulated into different stains and is painted, and during colouring, the workpiece after topcoating is soaked in
After stain, heat treatment is carried out to stain, the temperature for making stain is maintained at 60-80 DEG C, stain temperature control is existed
60-80 DEG C can be with, and stain activity can be made higher, and so as to improve staining efficiency, and the mode soaked can cause dyeing
Agent is more preferable with the amalgamation of finish paint, so that surface of the work coloring is more uniform, keeps tone consistent.
After colouring step, can be positioned over workpiece in 110-130 DEG C of temperature environment carries out toasting 50-60 minutes, directly
Dried completely with high temperature light paint to stain, baking temperature is too low to be reduced toasting efficiency, and baking temperature is too high, can make
Toner volatilization in stain, affects surface of the work colouring effect, and too high baking temperature temperature, and also UV prime coats can be produced
It is raw to affect, the adhesive force of UV priming paint is reduced, the temperature control of baking be can guarantee that into baking efficiency at 110-130 DEG C, both, again will not
Affect the colouring effect of workpiece.
The processing technique of the present invention by carrying out to workpiece primer spray, vacuum coating, topcoating successively and step of painting, and
After being improved to existing UV priming paint and finish paint, it is in test apparatuses：Brine spray machine, Glass rod, gravimeter, ph meters and temperature
Degree meter and experiment condition are：Sodium chloride concentration be 5 ± 0.5%, saturation barrel temperature be 37 ± 1 DEG C, air pressure be 1 ±
0.025kg/cm, test room temperature are 35 ± 1 DEG C, spray amount is 1.0-2.0ml/ (Hr*80cm), experimental period is 48h, salt
Under the salt spray test of water ph=[6.5-7.2], the appearance ratings of product can reach 8 grades, therefore, by using the present invention's plus
Work technique, adhesive force and the hardness of product surface coating are significantly larger than existing processing technique, additionally, the processing of the present invention
Technique does not need electricity consumption to carry out catalytic reaction, and the complex part that have deep hole, blind hole can be processed, and is not required in the course of processing
Strong acid-base is wanted, is catalyzed using food grade materials, three-waste free discharge, energy-conserving and environment-protective are simple to operate.
Above example is only not limited to illustrate technical scheme, all without departing from the present invention
Any modification of spirit and scope or equivalent, it all should cover in the range of technical solution of the present invention.
Claims (10)
1. a kind of imitative electroplating processing process for hardware workpiece surface, it is characterised in that comprise the following steps successively：
（1）Primer spray, makes surface of the work equably spray painting UV primer and make UV solidifying priming paint film forming；
（2）Vacuum coating, the workpiece after primer spray is positioned in vacuum environment, by way of distilling or sputtering, so that work
One layer of film plating layer is uniformly covered on part；
（3）Topcoating, uniformly sprays finish paint on film plating layer；
（4）Dyeing, workpiece is completely soaked in stain, so that surface of the work uniform coloring.
2. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that described
UV priming paint is consisted of the following components in percentage by weight：Acroleic acid polyurethane 12%-18%, acrylic acid epoxy ester 8%-15%, methoxy
Base acrylate 15%-25%, dimethoxybenzoin 1%-5%, silicon dioxide 5%-10%, butyl acetate cellulose 1%-3%, alkyl phosphorus
Acid esters conjugate 3%-7%, and it is supplemented to 100% with butyl acetate.
3. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that described
Finish paint is high temperature light paint, and the high temperature light paint is consisted of the following components in percentage by weight：Epoxy-modified acrylic acid
Resin 20%-30%, synthetic fatty acid alkyd resin 10%-15%, Pulvis Talci 5%-8%, silica 1 0%-15%, titanate esters are coupled
Thing 3%-8%, butyl acetate cellulose 1%-3%, di-cyclohexylperoxy di-carbonate 2%-5%, and it is supplemented to 100% with butyl acetate.
4. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that described
Before primer spray step, also including pre-treatment step, in the pre-treatment step, workpiece is soaked in and is loaded with degreasing agent, is removed
In the ultrasonic cleaner of profit and aqueous rust preventive, oils and fatss, wax dirt and the rusty stain of surface of the work is removed.
5. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 4, it is characterised in that described
Between pre-treatment step and primer spray step, also including inorganic agent cleaning step, in the inorganic agent cleaning step, using process
Agent is cleaned to surface of the work, removes degreasing agent, oil water removal and the aqueous rust preventive of surface of the work residual.
6. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 5, it is characterised in that described
After inorganic agent cleaning step, workpiece is positioned in 120 DEG C -160 DEG C of temperature environment, until surface of the work is dried completely.
7. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that described
Sprayed using electrostatic gun in primer spray step and topcoating step.
8. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 2, it is characterised in that described
When UV solidifying priming paint film forming is made in primer spray step, 1-3 minutes are irradiated to surface of the work by the ultraviolet of 1750 energy degree,
So that the UV priming paint freezing films of surface of the work.
9. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that described
Stain in colouring step is made up of toner and water, after the workpiece after topcoating is soaked in stain, to stain
Heat treatment is carried out, the temperature for making stain is maintained at 60-80 DEG C.
10. a kind of imitative electroplating processing process for hardware workpiece surface according to claim 1, it is characterised in that institute
After stating colouring step, workpiece is positioned over baking 50-60 minutes in 110-130 DEG C of temperature environment, until stain and high temperature
Light paint is dried completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153733.4A CN106670083A (en) | 2016-12-14 | 2016-12-14 | Electroplate-imitation machining technique for surfaces of hardware workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153733.4A CN106670083A (en) | 2016-12-14 | 2016-12-14 | Electroplate-imitation machining technique for surfaces of hardware workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106670083A true CN106670083A (en) | 2017-05-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107190230A (en) * | 2017-07-26 | 2017-09-22 | 苏州盈腾五金制品有限公司 | Vacuum plating lacquer spraying technique for hardware |
| CN108049587A (en) * | 2017-12-20 | 2018-05-18 | 苏州金螳螂建筑装饰股份有限公司 | Golden resin compounded crystal decorative plate production technology |
| CN109957320A (en) * | 2017-12-25 | 2019-07-02 | 丹阳市延陵镇度越五金厂 | A kind of handware process of surface treatment |
| CN110846704A (en) * | 2019-11-28 | 2020-02-28 | 耒阳市汉客箱包有限公司 | Surface treatment method for luggage hardware |
| CN113926674A (en) * | 2021-11-10 | 2022-01-14 | 惠州市摩彩装饰材料有限公司 | UV super-sinking-resistant curtain coating bright surface coating construction process for decorative plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190230A (en) * | 2017-07-26 | 2017-09-22 | 苏州盈腾五金制品有限公司 | Vacuum plating lacquer spraying technique for hardware |
| CN108049587A (en) * | 2017-12-20 | 2018-05-18 | 苏州金螳螂建筑装饰股份有限公司 | Golden resin compounded crystal decorative plate production technology |
| CN108049587B (en) * | 2017-12-20 | 2023-08-01 | 苏州金螳螂建筑装饰股份有限公司 | Production process of golden resin composite crystal decorative plate |
| CN109957320A (en) * | 2017-12-25 | 2019-07-02 | 丹阳市延陵镇度越五金厂 | A kind of handware process of surface treatment |
| CN110846704A (en) * | 2019-11-28 | 2020-02-28 | 耒阳市汉客箱包有限公司 | Surface treatment method for luggage hardware |
| CN113926674A (en) * | 2021-11-10 | 2022-01-14 | 惠州市摩彩装饰材料有限公司 | UV super-sinking-resistant curtain coating bright surface coating construction process for decorative plate |
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