CN102943293B - A kind of manufacture craft having wire drawing lines plated item - Google Patents
A kind of manufacture craft having wire drawing lines plated item Download PDFInfo
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- CN102943293B CN102943293B CN201210467631.5A CN201210467631A CN102943293B CN 102943293 B CN102943293 B CN 102943293B CN 201210467631 A CN201210467631 A CN 201210467631A CN 102943293 B CN102943293 B CN 102943293B
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Abstract
Have a manufacture craft for wire drawing lines plated item, its concrete steps are: mold cavity wire drawing process; Mold injection molding plastic prod; Cleaning plastic product surface greasy dirt; Surface is carried out the product after oily waste treatment and carry out aura cleaning and plasma modification; PVD plates conductive layer, forms conductive layer by sputtering metallizing; Finally spray paint and just complete the plastic basis material plated item that surface has wire drawing lines.Because the present invention is that directly wire drawing forms the wire drawing lines of type product surface on forming mould, avoid the wire drawing one by one to product, decrease workload and transport, equipment, human cost, achieve energy-conservation requirement; Product surface process adopts the PVD pre-treatment of more environmental protection, further reduces pollution; Water power treatment before plating is changed to semidrying pre-treatment simultaneously, eliminate wire-drawing process, shorten the delivery date of product energetically; Holistic cost decline 40-50%.
Description
Technical field
The invention relates to the making method of the plated item of plastic basis material, refer to a kind of manufacture craft having wire drawing lines plated item especially.
Background technology
The plated item possessing wire drawing lines of current plastic basis material, its concrete manufacture craft is: mold injection molding, and---electrochemical deoiling---------------------spray paint acid coppering chemical nickel plating to plate half light nickel, realizes the making of surperficial drawn wire product with this in tetra-sodium copper facing in sensitization in reduction in alligatoring by---surperficial wire drawing---.
This technology mode has following shortcoming:
1, the pre-treatment mainly adopting water power to plate in this technological process, wherein electrochemical deoiling be adopt phosphorous chemical agent oil removing, roughening process be adopt high chromic acid content alligatoring, sensitization be adopt precious metal sensitization, chemical nickel plating adopts the high pollution techniques such as phosphorous chemical nickel, thus a large amount of waste water,waste gas and industrial residue can be produced, and three-protection design difficulty is large, cost is high, very large to environmental influence.
2, current technique is wire drawing again after nickel plating, namely adopts drawing process on nickel, then can a certain amount of nickel of loss, and nickel metal price is high, improves tooling cost while technique like this certainly will cause wastage of material;
3, product is from injection moulding to having sprayed paint, and integral manufacturing operation is many, the cycle is long, and yield is low.
Summary of the invention
The object of this invention is to provide a kind of manufacture craft having wire drawing lines plated item, can effective simple flow, reduce cost of manufacture, simultaneously decreasing pollution.
For achieving the above object, solution of the present invention is:
Have a manufacture craft for wire drawing lines plated item, its concrete steps are:
Step 1, mold cavity wire drawing process;
Step 2, mold injection molding plastic prod;
Step 3, cleaning plastic product surface greasy dirt;
Step 4, the product after oily waste treatment is carried out on surface carry out aura cleaning and plasma modification;
Step 5, PVD plate conductive layer, form conductive layer by sputtering plating or multi sphere metallizing;
Step 6, finally spray paint and just complete the plastic basis material plated item that surface has wire drawing lines.
Be adopt sand paper in described step 1, or adopt the machining mode such as NC to carry out mold cavity wire drawing.
------discharging that vacuum ultrasonic oil removing is cleaned---cleaning of vacuum organic steam and drying---that vacuum ultrasonic is except cured cleaning that be employing alkanes organism vacuum cleaned in described step 3, remove the greasy dirt of product surface, described vacuum cleaned flow process is: charging.
Carry out modification in vitro, when body of heater vacuum is evacuated to 1*10 by reactant gases ionization formation etc. in described step 4
-2during Pa, pass into gas, peg adds negative bias.
In described step 5, conductive layer divides three parts, is followed successively by metal back layer, alloy transition layer, metal outer from below to up.
Described metal back layer is the one in the metals such as titanium, zirconium, silver, chromium, nickel, and alloy transition layer is in titanium, zirconium, silver, chromium, nickel, aluminium, copper metal at least two kinds, and described metal outer is at least one in nickel, copper metal.
After the plating conductive layer of described step 5, spray paint again after first carrying out plating alkali copper, bright nickel plating.
Described plating alkali copper adopts without the copper facing of cyanogen formula, and the time is 3-5 minute, alkaline copper plating formula, and current density is: 0.5-1.0A/dm2; And bright nickel plating, be adopt flash bright nickel, time 2-3 minute, single nickel salt nickel plating, current density is: 2.0-3.0A/dm
2.
Described is by copper sulfate without cyanogen formula: 15-30g/L, glycerol: 5-10mol/L, sodium hydroxide: 10-20g/L, sal glauberi: 100-150g/L, Trisodium Citrate: 10-30g/L and deionized water composition; And alkaline copper plating formula is by copper sulfate: 15-30g/L, glycerol: 5-10mol/L, sodium hydroxide: 10-20g/L, sal glauberi: 100-150g/L, Trisodium Citrate: 10-30g/L and deionized water composition.
After the plating conductive layer of described step 5, after first carrying out electrostatic precipitation, then spray paint.
Adopt after such scheme, because the present invention is that directly wire drawing forms the wire drawing lines of type product surface on forming mould, avoid the wire drawing one by one to product, decrease workload and transport, equipment, human cost, achieve energy-conservation requirement; Product surface process adopts the PVD pre-treatment of more environmental protection, avoiding the operation of the alligatoring of water power plating, sensitization, chemical nickel, avoiding " three wastes ", the discharge of waste water,waste gas and industrial residue, because this reducing pollution; Water power treatment before plating is changed to semidrying pre-treatment, eliminates wire-drawing process, shorten the delivery date of product energetically; Because current operation does not need wire drawing, do not need the product after by half light nickel to pay into the treasury, save stock's area; Holistic cost decline 40-50%.
Embodiment
Present invention is disclosed a kind ofly has a manufacture craft for silking road plated item, and this plated item mainly refers to that surface treatment needs wire drawing lines and base material is the product of plastics, and its concrete steps are:
Step 1, mold cavity wire drawing process, adopt sand paper, or the machining mode such as NC carries out mold cavity wire drawing, requires that mold cavity wire drawing needs evenly, avoid the inconsistent phenomenon of Conditions;
Step 2, mold injection molding plastic prod;
Step 3, cleaning plastic product surface greasy dirt; Adopt hydrocarbon polymer (alkanes organism such as: hexane, heptane etc.) vacuum cleaned, so-called vacuum cleaned (remarks: during cleaning, organism is gaseous state), flow process is as follows:
Charging------discharging that vacuum ultrasonic oil removing is cleaned---cleaning of vacuum organic steam and drying---that vacuum ultrasonic is except cured cleaning;
Step 4, the product after oily waste treatment is carried out on surface carry out aura cleaning and plasma modification; Modification is carried out in vitro, when body of heater vacuum is evacuated to 1*10 by reactant gases ionization formation etc.
-2during Pa, pass into gas, peg adds negative bias;
Step 5, PVD(vacuum PVD) plate conductive layer, form conductive layer by sputtering metallizing; Conductive layer divides three parts, is followed successively by metal back layer, alloy transition layer, metal outer from below to up; Described metal back layer is the one in the metals such as titanium, zirconium, silver, chromium, nickel, and alloy transition layer is in titanium, zirconium, silver, chromium, nickel, aluminium, copper metal at least two kinds, and described metal outer is at least one in nickel, copper metal;
Step 6, to spray paint, adopt electrostatic spraying mode spray one deck protection against corrosion, wear-resistant (protection against corrosion: meet the testing standard about organic coating in ASTM, such as: acid SaltSprayTest: ASTMG85, chemical resistant properties: ASTMD1308; Wear-resistant: according to standards such as ASTMD968 and ASMEA112.18.1/CSAB125.) paint, painting thickness is 30-50 μm.
So just complete the plastic basis material plated item that surface has wire drawing lines.
After the plating conductive layer of above-mentioned steps 5, can first carry out plating alkali copper, spray paint again after bright nickel plating, wherein plating alkali copper is adopt without cyanogen formula (by copper sulfate: 15-30g/L, glycerol: 5-10mol/L, sodium hydroxide: 10-20g/L, sal glauberi: 100-150g/L, Trisodium Citrate: 10-30g/L and deionized water composition) copper facing, time is 3-5 minute, alkaline copper plating formula is (by copper sulfate: 15-30g/L, glycerol: 5-10mol/L, sodium hydroxide: 10-20g/L, sal glauberi: 100-150g/L, Trisodium Citrate: 10-30g/L and deionized water composition), current density is: 0.5-1.0A/dm2, and bright nickel plating, be adopt flash bright nickel, time 2-3 minute, single nickel salt nickel plating, current density is: 2.0-3.0A/dm
2.
Certainly, after the plating conductive layer of above-mentioned steps 5, after first carrying out electrostatic precipitation, then spray paint, the making that surface has wire drawing lines plated item can be completed equally.
example 1:a kind of ABS pulling out leading wire drawing lines plated item preparation method
1, the mold injection ABS pulling out leading blank through die cavity wire drawing process is adopted;
2, alkanes organism cleaning equipment is put on ABS pulling out leading moulded blank surface, after its surface cleaning is clean, dry 1 hour under the environment of 70 DEG C;
3, the blank of having dried is put into vacuum apparatus by peg and carry out the cleaning of low-temperature plasma aura and surface modification, aura cleaning condition is ion source electric current: 0.3 ~ 0.5A, bias voltage: 100-200V, dutycycle: 50-75%, argon gas flow velocity: 50-150SCCM, vacuum pressure in body of heater: 1.0-2.0Pa, glow time: 3-5min; The surface modification technology condition of carrying out subsequently is ion source electric current: 0.3 ~ 0.5A, bias voltage: 80-150V, dutycycle: 50-75%, argon gas flow velocity: 10-100SCCM, oxygen gas flow rate: 50-150SCCM, vacuum pressure in body of heater: 1.0-2.0Pa, modification time: 3-5min;
4, at ABS pulling out leading surface deposition conductive layer, be divided into three parts from top to bottom: a) metal back layer, adopt plating arc ion plating mode, target is: chromium target, target current: 50-80A, bias voltage: 40-60V, plated film vacuum tightness 0.1-0.2Pa, the time: 5min; B) alloy transition layer, adopts chrome copper transition, and use electric arc chromium target and sputtering copper target plating chrome on copper layer alloy film, chromium target current: 50-80A, sputtering copper target current slowly rises to 10A by 2A, bias voltage 40-60V, plated film vacuum tightness 0.2-0.4Pa, the time: 8min; C) metal outer, adopts the copper-plated mode of sputtering, copper target current: 10A, bias voltage 40-60V, plated film vacuum tightness 0.1-0.2Pa, time: 30min;
5, depositing conducting layer product is suspended on Electropolating hangers carries out water power plating, first carry out successively: a) ultrasonic wave water washing, ultrasonic wave electric current: 2-4A; B) alkali copper is plated, current density: 0.5-1.0A/dm2, electroplating time: 3-5min; C) flash light nickel, current density: 2.0-3.0A/dm2, electroplating time: 2-3min; D) spray paint.
example 2:
A kind of ABS gondola water faucet wire drawing lines plated item preparation method
1, the mold injection ABS gondola water faucet blank through die cavity wire drawing process is adopted;
2, alkanes organism cleaning equipment is put on ABS gondola water faucet moulded blank surface, after its surface cleaning is clean, dry 1 hour for 70 DEG C;
3, the blank of having dried is put into vacuum apparatus by peg and carry out the cleaning of low-temperature plasma aura and surface modification, aura cleaning condition is ion source electric current: 0.3 ~ 0.5A, bias voltage: 100-200V, dutycycle: 50-75%, argon gas flow velocity: 50-150SCCM, vacuum pressure in body of heater: 1.0-2.0Pa, glow time: 3-5min; The surface modification technology condition of carrying out subsequently is ion source electric current: 0.3 ~ 0.5A, bias voltage: 80-150V, dutycycle: 50-75%, argon gas flow velocity: 10-100SCCM, oxygen gas flow rate: 50-150SCCM, vacuum pressure in body of heater: 1.0-2.0Pa, modification time: 3-5min;
4, at ABS gondola water faucet surface deposition conductive layer, be divided into three parts from top to bottom: a) metal back layer, adopt plating arc ion plating mode, target is: chromium target, target current: 50-80A, bias voltage: 40-60V, plated film vacuum tightness 0.1-0.2Pa, the time: 5min; B) alloy transition layer, adopts wipla transition, and use electric arc chromium target and sputtering nickel target chromium plating nickel alloy film, chromium target current: 50-80A, sputtering nickel target current slowly rises to 10A by 2A, bias voltage 40-60V, plated film vacuum tightness 0.2-0.4Pa, the time: 8min; C) metal outer, adopts the mode of sputtering nickel plating, nickel target current: 8A, bias voltage 40-60V, plated film vacuum tightness 0.1-0.2Pa, time: 30min;
5, depositing conducting layer product is suspended on spraying hanging tool sprays, first carry out successively: a) electrostatic precipitation; B) spray paint.
In sum, the present invention has a manufacture craft for silking road plated item to solve following problem:
1, because first to mold cavity wire drawing, form the textured type cavity mould injection moulding of surperficial tool, the product appearance produced has wire drawing lines, and meets other outward appearance, functional requirement.
2, the product produced plates conductive layer by PVD, product can be conducted electricity, then do electro-coppering, nickel.
3, the product after Ni plated is done process of spraying paint, obtain the product effect of expecting.
Therefore, the present invention has following advantage:
1, environmental protection, because product surface process of the present invention adopts the PVD pre-treatment of more environmental protection, avoiding the operation of the alligatoring of water power plating, sensitization, chemical nickel, avoiding " three wastes ", the discharge of waste water,waste gas and industrial residue, because this reducing pollution.
2, energy-conservation, present invention, avoiding the wire drawing one by one to product, decrease workload and transport, equipment, human cost, achieve energy-conservation requirement.
3, shorten the production time, water power treatment before plating is changed to semidrying pre-treatment, eliminates wire-drawing process, shorten the delivery date of product energetically.
4, reduce stock, because current operation does not need wire drawing, do not need the product after by half light nickel to pay into the treasury, save stock's area.
5, holistic cost decline 40-50%.
Claims (6)
1. have a manufacture craft for wire drawing lines plated item, its concrete steps are:
Step 1, mold cavity wire drawing process;
Step 2, mold injection molding plastic prod;
Step 3, cleaning plastic product surface greasy dirt;
Step 4, the product after oily waste treatment is carried out on surface carry out aura cleaning and plasma modification;
Step 5, PVD plate conductive layer, form conductive layer by sputtering plating or multi sphere metallizing;
Step 5-1, carry out plating alkali copper, bright nickel plating, described plating alkali copper adopts without the copper facing of cyanogen formula, by copper sulfate without cyanogen formula: 15-30g/L, glycerol: 5-10mol/L, sodium hydroxide: 10-20g/L, sal glauberi: 100-150g/L, Trisodium Citrate: 10-30g/L and deionized water composition; Time is 3-5 minute, and current density is: 0.5-1.0A/dm
2; And bright nickel plating, be adopt flash bright nickel, time 2-3 minute, single nickel salt nickel plating, current density is: 2.0-3.0A/dm
2;
Step 6, finally spray paint and just complete the plastic basis material plated item that surface has wire drawing lines.
2. a kind of manufacture craft having wire drawing lines plated item as claimed in claim 1, is characterized in that: be adopt sand paper in described step 1, or adopts NC machining mode to carry out mold cavity wire drawing.
3. a kind of manufacture craft having wire drawing lines plated item as claimed in claim 1, it is characterized in that: be adopt alkanes organism vacuum cleaned in described step 3,------discharging that vacuum ultrasonic oil removing is cleaned---cleaning of vacuum organic steam and drying---that vacuum ultrasonic paraffin removal cleans that remove the greasy dirt of product surface, described vacuum cleaned flow process is: charging.
4. a kind of manufacture craft having wire drawing lines plated item as claimed in claim 1, is characterized in that: be form plasma body by reactant gases ionization to carry out modification, when body of heater vacuum is evacuated to 1*10 in described step 4
-2during Pa, pass into gas, peg adds negative bias.
5. a kind of manufacture craft having wire drawing lines plated item as claimed in claim 1, is characterized in that: in described step 5, conductive layer divides three parts, is followed successively by metal back layer, alloy transition layer, metal outer from below to up.
6. a kind of manufacture craft having wire drawing lines plated item as claimed in claim 5, it is characterized in that: described metal back layer is the one in titanium, zirconium, silver, chromium, nickel metal, and alloy transition layer is in titanium, zirconium, silver, chromium, nickel, aluminium, copper metal at least two kinds, described metal outer is at least one in nickel, copper metal.
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| CN104175543A (en) * | 2014-07-17 | 2014-12-03 | 深圳市中联讯科技有限公司 | Wire drawing process based on plastic surface |
| CN106350843B (en) * | 2016-10-11 | 2018-07-10 | 上海瑞尔实业有限公司 | A kind of pre-treating method for plastic electroplating |
| CN107130273A (en) * | 2017-06-21 | 2017-09-05 | 太仓市金鹿电镀有限公司 | A kind of low toxicity plastic structural part electroplating technology |
| CN110539238A (en) * | 2019-08-21 | 2019-12-06 | 福建捷思金属科技发展有限公司 | Copper plate oxidation nickel plating disorder treatment method |
| CN110756996B (en) * | 2019-10-29 | 2021-09-10 | 宁波四维尔工业有限责任公司 | Wire drawing process for automobile label |
| CN111463564B (en) * | 2020-03-05 | 2022-05-31 | 上海阿莱德实业股份有限公司 | Preparation method of plastic antenna oscillator with high coating bonding strength |
| CN111996567A (en) * | 2020-09-03 | 2020-11-27 | 深圳市生利科技有限公司 | Chromium plating process for PA plastic material and product thereof |
| CN112391658A (en) * | 2021-01-21 | 2021-02-23 | 宁波四维尔工业有限责任公司 | Pretreatment process for plastic electroplating |
| CN115305447A (en) * | 2022-07-21 | 2022-11-08 | 厦门建霖健康家居股份有限公司 | Method for plating bright chromium on plastic base material |
| CN115287587A (en) * | 2022-07-21 | 2022-11-04 | 厦门建霖健康家居股份有限公司 | Method for plating wire drawing film on plastic substrate |
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| KR101116783B1 (en) * | 2009-09-16 | 2012-03-05 | 주식회사 제이미크론 | Apparatus and method for selective plating using a raser |
| CN101736371A (en) * | 2009-12-24 | 2010-06-16 | 冯翀 | Method for selectively plating plastic part |
| CN102127764B (en) * | 2011-01-28 | 2013-03-27 | 厦门建霖工业有限公司 | Method for implementing semi-dry plating on surface of plastic substrate |
| CN102211376A (en) * | 2011-03-03 | 2011-10-12 | 华伟表面处理技术（上海）有限公司 | Automobile interior trim part having 3D texture and manufacturing process thereof |
| CN102166565B (en) * | 2011-03-31 | 2014-05-07 | 厦门建霖工业有限公司 | Method for applying metal wire-imitated coating film on surface of engineering plastics |
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