CN108855802A - A kind of silver-plated enamel-cover production technology of compound copper alloy wire - Google Patents
A kind of silver-plated enamel-cover production technology of compound copper alloy wire Download PDFInfo
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- CN108855802A CN108855802A CN201810731106.7A CN201810731106A CN108855802A CN 108855802 A CN108855802 A CN 108855802A CN 201810731106 A CN201810731106 A CN 201810731106A CN 108855802 A CN108855802 A CN 108855802A
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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
- 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
- B05D3/002—Pretreatement
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
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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
- 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
- B05D3/04—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 gases
- B05D3/0406—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 gases the gas being air
- B05D3/0413—Heating with air
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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
- B05D7/20—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 wires
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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
- B05D7/24—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 for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/46—Electroplating: Baths therefor from solutions of silver
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of silver-plated enamel-cover production technologies of compound copper alloy wire, the silver coating and enamel-cover layer of copper alloy wire are produced by means of the present invention, it is uniformly good with appearance lacquer painting, adhesive force is good, avoid eccentricity issues, the generation of insulation copper alloy wire lacquer painting breakdown voltage is prevented, insulation copper alloy wire elongation, resilience, flexibility are good；Cyanide is not generated in production process, it is harmless to environment and human body, it is environmentally protective.
Description
Technical field
The present invention relates to silver plating process, more specifically refer to a kind of silver-plated enamel-cover production work of compound copper alloy wire
Skill.
Background technique
The storage and storage status of non-cyanide silver coating composite conductor product：Current domestic technology silver-plated on precious metal material,
It is conventional silver-plated using cyanide, and cyanide is severe poisonous chemicals.It is produced using the plating solution of cyanide, to operator, life
It produces environment and natural environment all has great security risk.Cyanide is silver-plated both not environmentally, equally to the health of human body and peace
There is very big harm entirely.Due to there is the silver-plated technology of cyanogen slowly to move towards superseded edge, and the exploitation of cyanide-free silver plating process equally falls behind
Demand in market, the technique for user's selection is very little, and cost is again too high.
Silver-plated composite conductor uses sulfuric acid anode mostly after silver layer is electroplated and handles, and is easy to produce anodic oxidation, with the passing of time
Generate local corrosion；Silvering can change colour quickly in most air, and surface attachments are sulfide stain, after not only causing
Continuous welding processing is difficult, while will cause conductor resistance and becoming larger, and influences the transmission speed of high-speed high frequency data line, potential product
Matter hidden danger exists for a long time.
Current country's enameled wire requires electromagnetic pulse-resisting, tough and hard wear resistant.In recent years, the development of nano material science and technology is anti-height
Improving for frequency pulse enameled wire creates condition, and develops the better paint film material of homogeneous, transparent and screening characteristics and is conducive to
The development of composite conductor, and the performance of enameled wire can be made to generate more new characteristics and uses, until beyond transformer,
The existing multi-functional demand of the products such as variable frequency drive motors, electronic component.
With domestic and international market microelectronics industry, aerospace industry, marine industry, space probation field continuous hair
Exhibition, composite material industry it is emerging, bimetallic wire will become fine copper conducting wire substitute, and copper alloy wire will
More and more extensive in future application, type is equally more and more, and performance indicator is become better and better.
Enamel-cover silver-coated copper wire is the product of formation on silver-plated rear enameled wire.Copper wire coating is continuously rigidly attached to lead
Body surface face, the sample surfaces not blackening after sample.Silver-plated coating surface smooth should continuously, without silver granuel, burr, machinery damage
The injurous defects such as wound.Enamel-cover silver-coated copper wire has good electric conductivity, and becomes clear and the surface of gloss, and silver layer has
Very high corrosion resistance is the preferred conductor of high-frequency line and high-end high-quality audio-video electric wire, has great market prospects.
For existing compound wire in lacquering process, there are often generate pearl simultaneously in problems, such as enamelling process
And appearance has pitted skin more；Because enamelling process unevenly generates breakdown voltage with eccentric；Appearance paint film often have scratch resistance it is poor, elasticity and
Adhesive force is bad；It is bad that thermal shock, heat ageing and softening breakdown are often generated in production；Elongation, resilience and flexibility are bad
Deng.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, the silver-plated enamel-cover for providing a kind of compound copper alloy wire is raw
Production. art.
To achieve the above object, the present invention uses following technical scheme：
A kind of silver-plated enamel-cover production technology of compound copper alloy wire, includes the following steps：
Step 1:Copper alloy wire is installed on pay off rack, so that copper alloy wire is uniform and identical tension is released；Laying tension
Automatic tracing is kept constant from dishful to blank panel tension；
Step 2:Copper alloy wire is after pay off rack releasing by constant temperature crossed beam trunking, the constant holding of the temperature of constant temperature crossed beam trunking
At 55 ± 5 DEG C, guarantee copper alloy wire before spray painting, appearance is adequately dried；
Step 3:Cleaning is carried out to copper alloy wire surface by cleaning device；After the completion of cleaning, using silver packet
The barrel plating silver process of copper alloy wire is completed, and electroplate liquid uses thiosulfate, sulphite；
Step 4：By spray-painting plant in silver-plated copper alloy wire periphery even application japanning covering；
Step 5：After paint to be protected sufficiently drying, take-up is carried out to copper alloy wire using identical tension take-up stand.
Its further technical solution is：The step 3 is further comprising the steps of：
Step 3.1:Multiple oil removing is carried out to copper alloy wire surface, is then washed；
Step 3.2：Chemical polishing is carried out to copper alloy wire outer surface using special chemical reagent, then water washes off chemistry
Reagent；Then, being activated then to copper alloy wire, and then water washes off activator, to prepare subsequent processing；
Step 3.3：Copper alloy wire is immersed in immersion plating liquid and carries out Pre-treatment before plating, and is carried out at anti-silver-colored displacement
Reason；After adapting to completely, then copper alloy wire is fully immersed in silver-plated process in electroplate liquid, formed on copper alloy wire with being formed
One layer of certain thickness anti-displacement film；
Step 3.4：After silver-plated process completes the regular hour, silver-plated copper alloy wire is washed；Then it utilizes
Alkaline reagent neutralizes the remaining acid electroplate liquid of silver-plated copper alloy conductive line surfaces, then washes again；
Step 3.5：Prevent the silver coating of copper alloy wire appearance from aoxidizing, the protective agent on silver coating outer application；Then
It is washed, then carries out leaching hot pure water；
Step 3.6：Silver-plated copper alloy wire is dried.
Its further technical solution is：The Pre-treatment before plating of the step 3.3 includes that configuration contains silver nitrate, thiourea concentration
Leaching silvering solution, adjust its pH value 4.0-6.0, by copper alloy wire be immersed in the silvering solution time be 2 minutes to 3 minutes, then do
Dry take-up；
It is anti-silver replacement Treatment be the copper alloy wire of Pre-treatment before plating is immersed in it is anti-silver displacement additive plating solution in so that
Copper alloy wire surface is formed with anti-displacement film.
Its further technical solution is：The cleaning device of the step 3 passed through infrared sensor before this and senses that copper closes
Golden conducting wire, transmits a signal to the electronic wool brush of cleaning device, and electronic wool brush uniformly does upper and lower reciprocal fortune after being connected to instruction
It is dynamic, clean dust on copper alloy wire, dust and dirty.
Its further technical solution is：Spray-painting plant in the step 4 includes the auto spray painting of auto spray painting controller
Step and automatic brush step；Spray-painting plant provides and the matched spray painting speed of copper alloy wire linear speed；Copper alloy wire passes through
When painted areas, pipe is moved up and painted by the spray painting pipe of spray-painting plant and move down the uniform up and down of movement progress copper alloy wire
Spraying movement, then automatic brush is carried out uniformly by paint solution of the automatic Jun Shua mechanism to copper alloy wire periphery.
Its further technical solution is：In the step 4, Polyurethane paint solution is broken into gas, shape using high pressure by spray-painting plant
It is sprayed at tiny paint solution mist column, and to copper alloy wire surface；Soft wool brush is utilized by optoelectronic induction identification technology again
Paint solution scrub is uniform.
Its further technical solution is：In the step 4, after spray-painting plant paints to copper alloy wire, into drying oven
It is dried, so that the evaporation of paint solution solvent and the solidification of paint base resin.
Its further technical solution is：The auto spray painting controller heats paint solution using heater, then right
The paint solution of heating is pressurized, so that the high pressure paint solution that auto spray painting controller sprays.
Its further technical solution is：When copper alloy wire is pierced by from silver-plating bath into spray-painting plant, spray-painting plant is logical
It crosses sensor scanning copper alloy wire and stores diameter data into central processing unit；Wool brush motion profile is according to centre
Diameter data in reason device is controlled, and when wool brush and copper alloy wire rub, the work of wool brush power source is electric
Stream increases, and sensor adjusts the contact surface of wool brush and copper alloy wire according to the numerical value being previously set；In addition, spray-painting plant needs
Finishing analysis carried out to collected data, judge copper alloy wire diameter, and copper alloy wire surface carried out recessed
Convex operation.
Its further technical solution is：By the centrifugal barrel electric blower that gets rid of to the copper conjunction after spray painting in the step 5
Golden conducting wire is dry；It is described it is centrifugal get rid of barrel electric blower by motor driven fan blade rotate, when fan blade rotation when, air from into
Air port sucking, the centrifugal flow being consequently formed are blown out by exhaust outlet again, and air passes through the electric-heating-wire-heating above having,
Middle hot wind is brought rapidly up to realize complete evenly drying after contacting with copper alloy wire.
Compared with the prior art, the invention has the advantages that：The silver-plated of copper alloy wire is produced by means of the present invention
Layer and enamel-cover layer have appearance lacquer painting uniformly good, and adhesive force is good, avoids eccentricity issues, has prevented insulated conductor lacquer painting and has hit
The generation of voltage is worn, insulated conductor elongation, resilience, flexibility are good；Cyanide is not generated in production process, to environment and
Human body is harmless, environmentally protective.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of compound copper alloy wire of the present invention；
Fig. 2 is a kind of integrated artistic flow chart of the silver-plated enamel-cover production technology of compound copper alloy wire of the present invention；
Fig. 3 is a kind of process flow chart of the silver-plated enamel-cover production craft step 3 of compound copper alloy wire of the present invention.
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
Such as the drawing that Fig. 1 to Fig. 3 is the embodiment of the present invention.
As shown in Figure 1, copper alloy wire of the invention includes that intermediate copper alloy wire 10 is arranged in, it is wrapped in copper alloy
The silver coating 20 of 10 periphery of conducting wire, and it is wrapped in the coat of paint 30 of 20 periphery of silver coating.In the present embodiment, copper alloy wire 10
For nichrome copper, the coat of paint 30 is polyurethane paint covering.Copper alloy wire of the invention is wire, in process of production
First in the periphery of copper alloy wire silver film is plated, then spraying paint covering again.
As shown in Fig. 2, the silver-plated enamel-cover production technology of copper alloy wire of the present invention, includes the following steps：
Step 1:Copper alloy wire is installed on pay off rack, so that copper alloy wire is uniform and identical tension is released；Laying tension
Automatic tracing is kept constant from dishful to blank panel tension.
Step 2:Copper alloy wire is after pay off rack releasing by constant temperature crossed beam trunking, the constant holding of the temperature of constant temperature crossed beam trunking
At 55 ± 5 DEG C, guarantee copper alloy wire before spray painting, appearance is adequately dried.
Step 3:Cleaning is carried out to copper alloy wire surface by cleaning device；After the completion of cleaning, using wicker copper
The barrel plating silver process of alloy lead wire is completed, and electroplate liquid uses thiosulfate, sulphite；
Step 4：By spray-painting plant in silver-plated copper alloy wire periphery even application japanning covering；
Step 5：After paint to be protected sufficiently drying, identical tension take-up stand carries out take-up to copper alloy wire.Identical tension take-up
Frame passes through electromagnetism tension, it can be achieved that automatic wire automatic tracing, takeup tension are kept constant from blank panel to dishful, is not required to manually adjust
It is whole, improve the efficiency of take-up and the compactness of coiling.
Wherein, as shown in figure 3, further including following small step in step 3：
Step 3.1:Multiple oil removing is carried out to copper alloy wire surface, is then washed, observation surface whether there is or not hanging droplet,
To judge the finish of copper alloy wire；
Step 3.2：Chemical polishing is carried out to copper alloy wire outer surface using special chemical reagent, then water washes off chemistry
Reagent；Then, being activated then to copper alloy wire, and then water washes off activator, to prepare subsequent processing；
Step 3.3：Copper alloy wire is immersed in immersion plating liquid and carries out Pre-treatment before plating, and is carried out at anti-silver-colored displacement
Reason；After adapting to completely, then copper alloy wire is fully immersed in silver-plated process in electroplate liquid, formed on copper alloy wire with being formed
One layer of certain thickness anti-displacement film；
Step 3.4：After silver-plated process completes the regular hour, silver-plated copper alloy wire is washed；Then it utilizes
Alkaline reagent neutralizes the remaining acid electroplate liquid on silver-plated copper alloy wire surface, then washes again；
Step 3.5：Prevent the silver coating of copper alloy wire appearance from aoxidizing, the protective agent on silver coating outer application；Then
It is washed, then carries out leaching hot pure water；
Step 3.6：Silver-plated copper alloy wire is dried.
After the completion, will silver coating from coloring in order to prevent, the processing of bright, chemical and electrochemical passivation need to be soaked after plating.Coating
Purity is high, solderability is good, and handles by Anti- tarnishing, and anti-tarnishing ability is strong.It can be achieved quickly and continuous production, bright property and to lead
Electrically good, technical maturity is stablized.3.5 ± 1 μm of silver plating thicknesses of plating, wherein filament silver plating thicknesses are 0.25 to 1.0 μm, thick line
0.5 to 10 μm, silver coating thickness carries out thickness test using import tester CMI SMARTLINK PRO, sufficiently meets high frequency
The functional requirement of communication field cable high conductivity.
The Pre-treatment before plating of step 3.3 includes configuring the leaching silvering solution containing silver nitrate, thiourea concentration, adjusts its pH value
4.0-6.0, by copper alloy wire be immersed in the silvering solution time be 2 minutes to 3 minutes, then dry take-up.
It is anti-silver replacement Treatment be the copper alloy wire of Pre-treatment before plating is immersed in it is anti-silver displacement additive plating solution in so that
Copper alloy wire surface is formed with anti-displacement film.Copper alloy wire by this technique formed on the surface of matrix one layer it is anti-displacement
Film, with a thickness of about 0.5 μm, film can have good binding force with the matrix of copper alloy wire, can effectively prevent silver
Displacement.
It can be automated to improve production, the cleaning device of step 3 passed through infrared sensor before this and senses copper alloy
Conducting wire transmits a signal to the electronic wool brush of cleaning device, and wool brush uniformly does upper and lower reciprocating motion after being connected to instruction, clearly
Dust, dust on clean copper alloy wire and dirty.
In above-mentioned step 4, spray-painting plant includes the auto spray painting step and automatic brush step of auto spray painting controller
Suddenly；Spray-painting plant provide with the matched spray painting speed of copper alloy wire linear speed, such as it is synchronous with conducting wire linear speed it is slow, in, it is 3 kinds fast
Speed selection carries out lacquer spraying technique movement；When copper alloy wire is by painted areas, is moved up and sprayed by the spray painting pipe of spray-painting plant
Paint pipe moves down movement and carries out the movement of even application up and down of copper alloy wire, then is led by automatic Jun Shua mechanism to copper alloy
It is uniform that the paint solution of line periphery carries out automatic brush.
In above-mentioned step 4, Polyurethane paint solution is broken into gas using high pressure by spray-painting plant, forms tiny paint solution mist column,
And copper alloy wire surface is sprayed；Paint solution is scrubbed using soft wool brush by optoelectronic induction identification technology again uniform.
In the step 4, after spray-painting plant paints to copper alloy wire, it is dried into drying oven, so that paint solution is molten
The evaporation of agent and the solidification for painting base resin.Wherein, the solvent in paint solution is to need to be added for enamelling process, is not allowed in paint film
With the presence of solvent, to guarantee that the solvent in paint solution can smoothly migrate evaporation, it is desirable that the paint solution coating layer thickness in per pass technique is unsuitable
It is blocked up, and need enough non-uniform times and have certain solvent steam concentration difference.In general, conventional evaporation time and paint film
Thickness it is square directly proportional.
Paint base resin only can just become tough and tensile high polymer by the chemical reactions such as crosslinking, closed loop, and crosslinking and closed loop only have
It just can be carried out at relatively high temperatures.The speed of reaction and temperature relation are larger, and every to increase 10 DEG C, reaction speed improves 1 to 2
Times.
Auto spray painting controller heats paint solution using heater, then is pressurized to the paint solution of heating, so that automatic spray
Paint the high pressure paint solution that controller sprays.
Specifically, auto spray painting controller drives hydraulic pump to generate high pressure oil using motor, the high pressure oil so generated is driven
Hydrodynamic pressure cylinder piston does back and forth movement, to realize the up and down motion of high-voltage tip and wool round brush, carries out auto spray painting operation.Together
When, after paint solution (enter pressure and be greater than 2bar) is processed using the vertical pipeline centrifugal pump of general power to paint solution, using combustion
Oil heater heating generates up to 90 degree of paint solution gas, then is sprayed by high pressure nozzle.
When copper alloy wire is pierced by from silver-plating bath into spray-painting plant, spray-painting plant, which scans copper alloy by sensor, is led
Line simultaneously stores diameter data into central processing unit；Wool brush motion profile is carried out according to the diameter data in central processing unit
Control, when wool brush and copper alloy wire rub, the operating current of wool brush power source is increased, and sensor is according to prior
The contact surface of numerical value the adjustment wool brush and copper alloy wire of setting；In addition, spray-painting plant needs to carry out collected data
Finishing analysis judges copper alloy wire diameter, and carries out concave-convex operation to copper alloy wire surface.
It is dry to the copper alloy wire after spray painting by the centrifugal barrel electric blower that gets rid of in the step 5；The centrifugation
Formula is got rid of barrel electric blower and is rotated by motor driven fan blade, and when fan blade rotation, air is sucked from air inlet, is consequently formed
Centrifugal flow is blown out by exhaust outlet again, and air passes through the electric-heating-wire-heating above having, wherein hot wind and copper alloy wire
It is brought rapidly up after contact to realize complete evenly drying.
In the present embodiment, copper alloy wire in spraying paint solution work, dry 25 to 35m/min by average linear speed control
The dry time is 3 to 5m/min, and drying temperature is 140 to 160 DEG C.Meanwhile wanting random sampling, that is, scrape paint film, silver coating conductor off
No blackening or discoloration are waste product.
The silver-plated copper alloy wire of enamel-cover of this method production is widely used in freezer compressor, compressor of air conditioner, electronic
Motor, the electrical equipment used under the conditions of tool, flame-proof electric motor and high temperature, high and cold, the strong, excess load of radiation etc..
It can be applied in the high temperature AC/DC motor of the aircraft such as Aeronautics and Astronautics, high-speed and high-temperature ultra-long time runs vapour
Turner industry winding electric machine, high-accuracy aircraft engine inductance coil, electromagnetic coil, it is exhausted that bulk transport visits three layers of high temperature on aircraft
Edge electric wire, the high temperature resistants such as household electrical appliance high temperature electric wire, the ozone of resistance to atmosphere, the width of resistance to atmosphere penetrate the high-end equipment under complex environment
On transmission electromagnetic energy and the conducting wire of signal of communication etc., have a wide range of application, market prospects are good greatly.
In conclusion producing the silver coating and enamel-cover layer of copper alloy wire by means of the present invention, there is appearance lacquer painting
Uniformly good, adhesive force is good, avoids eccentricity issues, has prevented the generation of insulated conductor lacquer painting breakdown voltage, and insulated conductor is stretched
Long rate, resilience, flexibility are good；Cyanide is not generated in production process, it is harmless to environment and human body, it is environmentally protective.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of silver-plated enamel-cover production technology of compound copper alloy wire, which is characterized in that include the following steps：
Step 1:Copper alloy wire is installed on pay off rack, so that copper alloy wire is uniform and identical tension is released；Laying tension is automatic
Tracking, keeps constant from dishful to blank panel tension；
Step 2:For copper alloy wire by constant temperature crossed beam trunking after pay off rack releasing, the temperature of constant temperature crossed beam trunking is constantly maintained at 55
± 5 DEG C, guarantee copper alloy wire before spray painting, appearance is adequately dried；
Step 3:Cleaning is carried out to copper alloy wire surface by cleaning device；After the completion of cleaning, using wicker copper alloy
The barrel plating silver process of conducting wire is completed, and electroplate liquid uses thiosulfate, sulphite；
Step 4：By spray-painting plant in silver-plated copper alloy wire periphery even application japanning covering；
Step 5：After paint to be protected sufficiently drying, take-up is carried out to copper alloy wire using identical tension take-up stand.
2. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that described
Step 3 is further comprising the steps of：
Step 3.1:Multiple oil removing is carried out to copper alloy wire surface, is then washed；
Step 3.2：Chemical polishing is carried out to copper alloy wire outer surface using special chemical reagent, then water washes off chemical examination
Agent；Then, being activated then to copper alloy wire, and then water washes off activator, to prepare subsequent processing；
Step 3.3：Copper alloy wire is immersed in immersion plating liquid and carries out Pre-treatment before plating, and carries out anti-silver-colored replacement Treatment；It is complete
It is complete adapt to after, then copper alloy wire is fully immersed in silver-plated process in electroplate liquid, forms one layer on copper alloy wire to be formed
Anti-displacement film；
Step 3.4：After the completion of silver-plated process, silver-plated copper alloy wire is washed；Then using alkaline reagent to silver-plated
The remaining acid electroplate liquid on copper alloy wire surface neutralized, then wash again；
Step 3.5：Prevent the silver coating of copper alloy wire appearance from aoxidizing, the protective agent on silver coating outer application；Then it carries out
Washing, then carry out leaching hot pure water；
Step 3.6：Silver-plated copper alloy wire is dried.
3. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 2, which is characterized in that described
The Pre-treatment before plating of step 3.3 includes configuring the leaching silvering solution containing silver nitrate, thiourea concentration, adjusts its pH value 4.0-6.0, will
Copper alloy wire be immersed in the silvering solution time be 2 minutes to 3 minutes, then dry take-up；
Anti- silver replacement Treatment is immersed in the copper alloy wire of Pre-treatment before plating in anti-silver displacement additive plating solution, so that copper closes
Golden conductive line surfaces are formed with anti-displacement film.
4. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that described
The cleaning device of step 3 passed through infrared sensor before this and senses copper alloy wire, transmitted a signal to the electricity of cleaning device
Dynamic wool brush, electronic wool brush uniformly do upper and lower reciprocating motion after being connected to instruction, clean dust, dust on copper alloy wire
And it is dirty.
5. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that described
Spray-painting plant in step 4 includes the auto spray painting step and automatic brush step of auto spray painting controller；Spray-painting plant provides
With the matched spray painting speed of copper alloy wire linear speed；When copper alloy wire is by painted areas, by the spray painting pipe of spray-painting plant
Move, move down movement carry out copper alloy wire even application up and down, then by automatic Jun Shua mechanism to copper alloy wire outside
It is uniform that the paint solution in week carries out automatic brush.
6. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that described
In step 4, Polyurethane paint solution is broken into tiny paint solution mist column using high pressure by spray-painting plant, and is sprayed to copper alloy wire surface
It applies；Paint solution is scrubbed using soft wool brush by optoelectronic induction identification technology again uniform.
7. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that described
In step 4, after spray-painting plant paints to copper alloy wire, it is dried into drying oven, so that evaporation and the paint of paint solution solvent
The solidification of base resin.
8. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 5, which is characterized in that described
Auto spray painting controller paint solution is heated using heater, then the paint solution of heating is pressurized, so that auto spray painting controls
The high pressure paint solution that device sprays.
9. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 5, which is characterized in that work as copper
When alloy lead wire is pierced by from silver-plating bath into spray-painting plant, spray-painting plant by sensor scans copper alloy wire and by diameter number
According to storage into central processing unit；Wool brush motion profile is controlled according to the diameter data in central processing unit, works as wool
When brush and copper alloy wire rub, the operating current of wool brush power source is increased, and sensor is according to the numerical value being previously set
Adjust the contact surface of wool brush and copper alloy wire；In addition, spray-painting plant needs to carry out finishing analysis to collected data, sentence
Disconnected copper alloy wire diameter, and concave-convex operation is carried out to copper alloy wire surface.
10. a kind of silver-plated enamel-cover production technology of compound copper alloy wire according to claim 1, which is characterized in that institute
It states dry to the copper alloy wire after spray painting by the centrifugal barrel electric blower that gets rid of in step 5；The centrifugal bucket electricity that gets rid of is blown
Wind apparatus is rotated by motor driven fan blade, and when fan blade rotation, air is sucked from air inlet, and the centrifugal flow being consequently formed is again
It is blown out by exhaust outlet, and air passes through the electric-heating-wire-heating above having, after wherein hot wind is contacted with copper alloy wire rapidly
Heating is to realize complete evenly drying.
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