CN106550569A - A kind of plating reinforcing plastic housing and preparation method thereof - Google Patents
A kind of plating reinforcing plastic housing and preparation method thereof Download PDFInfo
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- CN106550569A CN106550569A CN201510598611.5A CN201510598611A CN106550569A CN 106550569 A CN106550569 A CN 106550569A CN 201510598611 A CN201510598611 A CN 201510598611A CN 106550569 A CN106550569 A CN 106550569A
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Abstract
The present invention relates to a kind of preparation method of plastic housing, specifically a kind of plating reinforcing plastic housing and preparation method thereof, comprise the steps of：The first step, injection；Second step, nanometer water plate to form stiffening layer；3rd step, sprays aesthetic layer.The nanometer water plates and to form stiffening layer and be made up of pretreatment, copper facing and plating nano nickel, and the preprocess method is included in moulding pickling alkali cleaning and then water and cleaning pre-treatment；The copper facing makes moulding colloid be changed into electric conductor, to facilitate the carrying out of the plating nano nickel step, and then forms stiffening layer.The thickness of the stiffening layer is 0.03 0.15mm, can need to adjust its film thickness according to different structural strengths.The invention has the beneficial effects as follows：The input of device resource and human resourcess can be reduced, exploitation input is reduced, is shortened production chain reduce risk, is made production process more simplified, it is more environmentally friendly, it is more stable.Demand of the client to product is met again simultaneously in the case where production cost is reduced.
Description
Technical field
The present invention relates to a kind of preparation method of plastic housing, specifically a kind of plating reinforcing plastic housing and preparation method thereof.
Background technology
With the development of science and technology, people are even more more and more higher to the demand of the fashion factor such as its attractive in appearance, texture, lightweight in addition to its functional attributes to hand-held electronic product have higher expectation.Traditional hand-held electronic product casing (mobile phone, panel computer, electronic reading device etc.) is used mostly engineering plastics or modified engineering plastics, except its moulding process maturation, low cost, outside the recyclable, advantage that supporting industrial chain is complete, its maximum shortcoming is mechanical performance, chemical property is relatively weak, and texture is poor, or even can not meet the functional requirement of part type.Under the progress of material science and technology and processing technique equipment, part high-end handsets adopt magnalium in-mould injection, or the direct CNC molding of aluminum alloy appearance part, its texture and mechanical strength are greatly promoted, in addition to the functional requirement that structure design can be limited to antenna, cause outside the challenge on many product manufactures, material which brings, process costs pressure are also to can not be ignored, in addition the production capacity in supporting industry（Such as CNC device fabrications）Also in the situation that supply falls short of demand, the price inferior position in its volume production stage is which exasperates.
From product function and the conceptive of visual effect, cabinet parts are firstly the need of physical properties such as high mechanical strength, good radiating, lightings；The texture for having needed again, beautiful outward appearance embody its commodity value out of the ordinary；Meanwhile, manufacturing process is simple, convenient, stable, environmentally friendly, cost is controllable, and benefit is the factor of enterprise development and the done one's utmost pursuit of social progress.It is a reasonable in theory, technically feasible thinking that Traditional project plastics and advanced metal material are combined.Current most ways are that the input of " spliced " injection of traditional metalwork mould embedded component, this processing method device resource and human resourcess is larger, and production chain length improves risk, and production process is more complicated and unstable.
The content of the invention
To solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of plating reinforcing plastic housing and preparation method thereof, and the method can reduce the input of device resource and human resourcess, exploitation input is reduced, is shortened production chain reduce risk, is made production process more simplified, it is more environmentally friendly, it is more stable.Demand of the client to product is met again simultaneously in the case where production cost is reduced.
A kind of preparation method of plating reinforcing plastic housing, comprises the steps of：
The first step, injection；Second step, nanometer water plate to form stiffening layer；3rd step, sprays aesthetic layer.
The injection includes matched moulds, filling, pressurize, cooling, the demoulding, described to be filled to high-speed filling, 0.7～1.2s of filling time；The pressure limit of the pressurize is 80～130Mpa, and the dwell time is 1.5～2.5S；60～80 DEG C of chilling temperature in the cooling step, cool time 12～18s；In the demoulding step, stripping means are that the demoulding is checked in push rod and cylinder cooperation.
The nanometer water plates and to form stiffening layer and be made up of pretreatment, copper facing and plating nano nickel, and the preprocess method is included in moulding pickling alkali cleaning and then water and cleaning pre-treatment；The copper facing makes moulding colloid be changed into electric conductor, to facilitate the carrying out of the plating nano nickel step, and then forms stiffening layer.The thickness of the stiffening layer is 0.03-0.15mm, can need to adjust its film thickness according to different structural strengths.
The spraying aesthetic layer can cover small indenture, salient point, offset and the other parts defect of stiffened layer surface.The aesthetic layer can cause surface to reach the appearance of even uniform by different film thickness monitorings, can also increase pigment wherein and reach desired color.
The coating of the spraying aesthetic layer is paint suitable for five metals ground, and the operation of the spraying aesthetic layer adopts multilamellar to spray to reach optimal appearance.
The nanometer water plates to form stiffening layer using nanovation layer technologies, and the nanovation layers technology is made up of copper facing and plating nano nickel step, wherein
In the copper-plating technique, electroplate liquid consists of copper sulfate, water, sulphuric acid and copper chloride；Time is 5～15min, and alr mode is air stirring, and temperature is room temperature condition, and plating copper thickness is 0.5～2 m.
In the plating nano nickel technique, the time is 5～15min；Alr mode is air stirring；Plating solution pH value is 3.8～4.4；Electroplating thickness is 0.03mm～0.15mm, can select different parameter requests according to product structure intensity requirement.Nanovation thickness greatly thicken and can uniform molding non-defective unit and the use of the nickel of Nano grade is the topmost feature that is different from Common platings, and the place of key technology.
Include dedusting, oil removing, fat removal step between above-mentioned operation.
A kind of plating reinforcing plastic housing for preparing in aforementioned manners, which includes injection molded layers, prime coat, stiffening layer and aesthetic layer.
The material of the injection molded layers is ABS engineering plastics or 70%-90%ABS engineering plastics, 10%-30% glass fibre.
The prime coat is painted using PU or UV types, can strengthen the adhesion between the injection molded layers and the stiffening layer.
The aesthetic layer is painted using PU or UV types, can cover small indenture, salient point, offset and the other parts defect of stiffened layer surface.The aesthetic layer can cause surface to reach the appearance of even uniform by different film thickness monitorings, can also increase pigment wherein and reach desired color.
From product function and the conceptive of visual effect, cabinet parts adopt mechanical strength, perfect heat-dissipating, lighting material to the present invention；Traditional project plastics and advanced metal material are combined together；By using asynchronous overlay film deposition technique.By its surface active process that overlay film is reinforced again after the complete molding of plastic cement products.So that finished product has the common feature of plastic and metallic article simultaneously.
The present invention reduces the input of device resource and human resourcess, reduces exploitation input, shortens production chain reduce risk, makes production process more simplified, more environmentally friendly, more stable.Demand of the client to product is met again simultaneously in the case where production cost is reduced.
Specific embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that described herein be embodied as example only to explain the present invention, it is not intended to limit the present invention.
Embodiment 1：
A kind of preparation method of plating reinforcing plastic housing, a kind of phone housing employ plating reinforcing plastic housing preparation technology：The first step, injection；Second step, nanometer water plate to form stiffening layer；3rd step, sprays aesthetic layer.
The injection includes matched moulds, filling, pressurize, cooling, the demoulding, described to be filled to high-speed filling, filling time 1.2s；The pressure limit of the pressurize is 80Mpa, and the dwell time is 1.5s；80 DEG C of chilling temperature in the cooling step, cool time 12s；In the demoulding step, stripping means are that the demoulding is checked in push rod and cylinder cooperation.
Nanometer water plates to form stiffening layer, and nanometer water plates to form stiffening layer using nanovation layer technologies, and the nanovation layers technology is made up of copper facing and plating nano nickel step, wherein electroplate liquid consists of copper sulfate, water, sulphuric acid and copper chloride in the copper-plating technique；Time:5min, alr mode are air stirring, and temperature is 25 DEG C, and plating copper thickness is 0.5 m.
In the plating nano nickel technique, the time is 5min；Alr mode is air stirring；Electroplating thickness is 0.03mm, can select different parameter requests according to product structure intensity requirement.Nanovation thickness greatly thicken and can uniform molding non-defective unit and the use of the nickel of Nano grade is the topmost feature that is different from Common platings, and the place of key technology.
Spraying process includes：
1st, spray-applied primer near antenna window, paint curing temperature 65-70 DEG C, hardening time, 40min, sprayed thickness for 55 μm；
2nd, antenna window polishing, using 400# sand paper；
3rd, integral spray priming paint I, 65 DEG C of paint curing temperature, hardening time, 40min, sprayed 10 μm of thickness；
4th, integral spray priming paint II, 65 DEG C of paint curing temperature, hardening time, 40min, sprayed 35 μm of thickness；
5th, it is overall to be polished twice, polished with the sand paper of 600# and 1000# respectively；
6th, it is overall polish after spray a priming paint again, 65 DEG C of paint curing temperature, hardening time, 40min, sprayed 10 μm of thickness；
7th, spray paint-aesthetic layer, is painted using UV types, is covered small indenture, salient point, offset and the other parts defect of stiffened layer surface, is sprayed about 110 μm of total film thickness.
From product function and the conceptive of visual effect, cabinet parts adopt mechanical strength, perfect heat-dissipating, lighting material to the present invention；Traditional project plastics and advanced metal material are combined together；By using asynchronous overlay film deposition technique.By its surface active process that overlay film is reinforced again after the complete molding of plastic cement products.So that finished product has the common feature of plastic and metallic article simultaneously.
The present invention reduces the input of device resource and human resourcess, reduces exploitation input, shortens production chain reduce risk, makes production process more simplified, more environmentally friendly, more stable.Demand of the client to product is met again simultaneously in the case where production cost is reduced.
Below the present invention is described in detail, the above, only the preferred embodiments of the invention is when can not limit the scope of the present invention, i.e., all according to the made impartial change of the application scope and modification, all still should belong in covering scope of the present invention.
Claims (9)
1. the preparation method of plastic housing is strengthened in a kind of plating, it is characterised in that comprise the steps of：The first step, injection；Second step, nanometer water plate to form stiffening layer；3rd step, sprays aesthetic layer.
2. the preparation method of plastic housing is strengthened in a kind of plating as claimed in claim 1, it is characterised in that：The injection includes matched moulds, filling, pressurize, cooling, the demoulding, described to be filled to high-speed filling, 0.7～1.2s of filling time；The pressure limit of the pressurize is 80～130Mpa, and the dwell time is 1.5～2.5S；60～80 DEG C of chilling temperature in the cooling step, cool time 12～18s；In the demoulding step, stripping means are that the demoulding is checked in push rod and cylinder cooperation.
3. the preparation method of plastic housing is strengthened in a kind of plating as claimed in claim 1, it is characterised in that：The nanometer water plates and to form stiffening layer step and be made up of pretreatment, copper facing and plating nano nickel, and the preprocess method is included in moulding pickling alkali cleaning and then water and cleaning；The thickness of the stiffening layer is 0.03-0.15mm.
4. the preparation method of plastic housing is strengthened in a kind of plating as claimed in claim 1, it is characterised in that：The aesthetic layer thickness is 0.03mm-0.20mm；The coating of the spraying aesthetic layer is the paint suitable for five metals ground, and the technique of the spraying aesthetic layer is using multilamellar spraying.
5. the preparation method of plastic housing is strengthened in a kind of plating as claimed in claim 1, it is characterised in that：The nanometer water plates to form stiffening layer using nanovation layer technologies, and the nanovation layers technology is made up of copper facing and plating nano nickel step, wherein electroplate liquid consists of copper sulfate, water, sulphuric acid and copper chloride in the copper-plating technique；Time is 5～15min, and alr mode is air stirring, and temperature is room temperature condition, and plating copper thickness is 0.5～2 m；In the plating nano nickel technique, the time is 5～15min, and alr mode is air stirring；Plating solution pH value is 3.8～4.4, and electroplating thickness is 0.03mm～0.15mm.
6. the preparation method of plastic housing is strengthened in a kind of plating as claimed in claim 1, it is characterised in that：Include dedusting, oil removing, fat removal step between above-mentioned operation.
7. the plating reinforcing plastic housing that prepared by a kind of method described in use claim 1, it is characterised in that：Which includes injection molded layers, prime coat, stiffening layer and aesthetic layer.
8. a kind of plating reinforcing plastic housing as claimed in claim 7, it is characterised in that：The material of the injection molded layers is ABS engineering plastics or 70%-90%ABS engineering plastics, 10%-30% glass fibre.
9. a kind of plating reinforcing plastic housing as claimed in claim 7, it is characterised in that：The prime coat is painted using PU or UV types.
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| CN201510598611.5A CN106550569A (en) | 2015-09-21 | 2015-09-21 | A kind of plating reinforcing plastic housing and preparation method thereof |
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| CN201510598611.5A CN106550569A (en) | 2015-09-21 | 2015-09-21 | A kind of plating reinforcing plastic housing and preparation method thereof |
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| CN107723753A (en) * | 2017-09-27 | 2018-02-23 | 上海瑞尔实业有限公司 | High-intensity high-tenacity nickel metal covers frock preparation method |
| CN108422634A (en) * | 2018-03-05 | 2018-08-21 | 平湖市至爱童车有限公司 | A kind of perambulator handlebar protective case manufacture craft |
| CN108683762A (en) * | 2018-05-22 | 2018-10-19 | Oppo广东移动通信有限公司 | The processing method of case ring, functional unit, electronic device and case ring |
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Application publication date: 20170329 |