CN106847425B - A kind of manufacturing method of high-performance environment-friendly home improvement wire - Google Patents

A kind of manufacturing method of high-performance environment-friendly home improvement wire Download PDF

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Publication number
CN106847425B
CN106847425B CN201710040156.6A CN201710040156A CN106847425B CN 106847425 B CN106847425 B CN 106847425B CN 201710040156 A CN201710040156 A CN 201710040156A CN 106847425 B CN106847425 B CN 106847425B
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insulation material
wire
extruder
extrusion
outer layer
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CN106847425A (en
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段敏
陈文怡
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Chongqing Pigeon Electric Wire and Cable Co Ltd
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Chongqing Pigeon Electric Wire and Cable Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/148—Selection of the insulating material therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/361—Insulated conductors or cables characterised by their form with distinguishing or length marks being the colour of the insulation or conductor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating

Abstract

The invention discloses a kind of manufacturing methods of high-performance environment-friendly home improvement wire, including wire drawing, twisted, co-extrusion, detection, lopping, storage, it is core material with high-purity copper single line, the form for sharing a head after the twisted molding of wire drawing using three extruders, by core material, internal layer true qualities insulating materials and outer layer colorful insulation material coextrusion mold.Insulating materials uses PVC insulating materials, inside and outside layer material is made by new raw material proportioning and heat stabilizer, without lead (Pb), cadmium) Cd), mercury (Hg), Cr VI (Cr6+), polybrominated diphenyl ethers (PBDE), the harmful substances such as polybrominated biphenyls (PBB), it is more environmentally-friendly.Material electric wire core purity after molding is high, and overload capacity is strong, and loss of electricity is low, and the insulation integrity of double-layer coextrusion is good, good combination property, good insulation preformance, and without harmful substances such as metallic lead, chromium, environmental requirement reaches the requirement of European Union's RoHS environmental protection instruction.

Description

A kind of manufacturing method of high-performance environment-friendly home improvement wire
Technical field
The present invention relates to electric wire manufacturing fields, and in particular to a kind of manufacturing method of high-performance environment-friendly home improvement wire.
Background technology
The insulation of PVC cable and sheath material price are relatively cheap, and good mechanical performance is easy to process so that it Become the most material of wires and cables industry usage quantity for a long time.Common home improvement wire is generally done using common single round copper wire Conductor wire core does single layer dielectrics with common PVC ambroin and is extruded into home improvement wire.It has many good qualities, and also has its Disadvantage：
1, the copper single line purity that core material uses is usually 99.95%, and purity is not very high so that electric wire overload capacity is not By force, loss of electricity is higher.
2, common PVC insulating materials is mainly made of polyvinyl chloride resin, in order to reach thermal stability, is had containing metallic lead, chromium etc. Evil substance generates the pollution for being not easy to eliminate in production, use, removal process to human body, water, soil.
3, the simpler of common PVC insulated electric conductor is easy to be counterfeited.
And now the fast development with China's economy, State Grid's power grid update, infrastructure construction are to PVC electric wire electricity The especially environmental requirement of the quality requirement of cable product is higher and higher, country to how environmental protection the problem of increasingly pay attention to, perhaps Multinational family has formulated various environmental protection policies one after another, therefore people are more likely to the PVC cable material using environment-friendly type.Mesh There are specific environmental requirement in preceding foreign countries to wire cable material：
On January 27th, 2003, parliament of European Union and EU Council have passed through 2002/95/EC instructions, i.e., " electric Limitation uses certain Hazardous Substances Directives in equipment ", abbreviation RoHS instructions.Substance is：From 1 day July in 2006, new In the electronic electric equipment product of launch, limitation uses lead, mercury, cadmium, Cr VI, polybrominated biphenyls (PBB) and more bromine hexichol Six kinds of harmful substances such as ether (PBDE).On October 28th, 2008, REACH chemical balance motions office of European Union announce first SVHC for the first time (paying high attention to substance) candidate list, by June 20th, 2013, SVHC candidate list substances updated 9 times.It is formal at present Include 144 SVHC substances in the candidate list of announcement, including a variety of inorganic matters and organic matter, using spreading all over industry-by-industry.Its Middle PVC plasticizer just have 42 kinds, including common neighbour's benzene class plasticizer, chlorinated paraffin etc..
Select environment-friendly materials, including stabilizer, plasticizer, auxiliary agent, fire retardant, by novel Recipe, reduce at This, it is ensured that PVC cable electric property, be production without poisonous and harmful element (lead, cadmium, mercury, arsenic, Cr VI, PBB, PBDE) the important channel of environment-friendly type PVC wire cable material.According to China《Annual PVC cable material depth investigation in 2012-2015 Report》Relevant information shows that in 2012 years, 2,350,000 tons of PVC cable material, import 7.6 ten thousand are sold altogether by domestic CABLE MATERIALS manufacturer Ton exports 2.6 ten thousand tons, and no matter domestic or external, the development of environment-friendly type PVC electric wire is widely used, and market demand is got over Come bigger.
Invention content
The invention is intended to provide a kind of manufacturing method of high-performance environment-friendly home improvement wire, overloaded with solving common home improvement wire Ability is low, not environmentally the problem of.
In order to achieve the above objectives, basic technology scheme of the invention is as follows：A kind of manufacture of high-performance environment-friendly home improvement wire Method, including wire drawing, co-extrusion, detection, lopping and storage step, use copper wire for core material, and surface insulation material includes in true qualities Layer insulating materials and colored outer layer insulation material, primary insulation material and outer layer insulation material are PVC insulating materials, and PVC is exhausted Edge material is made of the material of following mass fraction：100 parts of polyvinyl chloride, 35~48 parts of plasticizer, 5~8 parts of environmentally friendly thermostabilizations Agent, 8~15 parts of kaolin, 20~35 parts of calcium powders；Plasticizer is to be smart to benzene, and Environment-friendlyheat heat stabilizer is liquid calcium zinc stabilizer, outside It is 1~1.5 part of pigment that also increasing in layer insulating materials, which has mass fraction, and all raw material is free of non-environmental protection raw material.
The advantages of this programme is：The thermal stability of polyvinyl chloride can be improved using liquid Ca-Zn composite heat stabilizer and resisted Coloring, and liquid Ca-Zn composite heat stabilizer overcomes the toxic of traditional heat stabilizer, heavy metal pollution, thermal stability effect The shortcomings of fruit is bad；And essence has many advantages, such as that intermiscibility is good, plasticizing efficiency is high, nontoxic, volatility is small to benzene, it is resistance to optical activity, resistance to Polyvinyl chloride that is aqueous excellent, using liquid calcium zinc stabilizer to produce as plasticizer to benzene as heat stabilizer and essence Insulating materials heavy metal free, nontoxic, more environmentally-friendly, using double hyer insulation material, internal layer is stablized using kaolin, calcium powder, calcium zinc Agent has good electrical insulation properties and thermal stability, keeps electric wire overload capacity strong, and outer layer has preferable environmental resistance With apparent appearance distinctiveness, there is preferable anti-counterfeiting performance, it is right using the stabilizer without harmful substances such as metallic lead, chromium The harm of human body and environment is small, meets RoHS Directive standard, more environmentally-friendly.
Preferred embodiment one, as a kind of improvement of basic scheme, by core material by extruder in the co-extrusion step, by One extruder squeezes out primary insulation material, and outer layer insulation material is squeezed out with the second extruder, by the first extruder, the second extruder It being connected on the same cross-head and forms co-extrusion, extruded velocity is 20~200m/min, and extrusion temperature is 120~180 DEG C, During co-extrusion velocity variations, while the extrusion gel quantity of the first extruder, the second extruder is controlled, ensures each extruder Speed sync variation makes each extruder speed sync change to form mono color electric wire.Temperature is controlled when extrusion at 120~180 DEG C The precipitation that the heated afterchlorinate hydrogen of primary insulation material can be reduced ensures that primary insulation material has better electrical insulation properties, 6000V voltage detectings can be passed through so that there is better mobility, compatibility and coloring when outer layer insulation material squeezes out, The color of outer layer insulation material can be preferably embodied after extrusion；Outer layer insulation material is squeezed out using an extruder and makes electric wire table Complexion coloured silk, which is fixed, to be defined, and is more convenient for classifying, is made inside and outside two kinds of insulating materials in head using a head coextrusion mold It is interior to be squeezed out with molten condition so as to combine together completely between inside and outside layer insulating materials, globality is more preferable, will not be layered；To squeezing Go out speed synchronize control can guarantee that the thickness of inside and outside layer insulating materials when extrusion is uniform, prevent the shape of product core shift State.
Preferred embodiment two squeezes out primary insulation material, typically as a kind of improvement of basic scheme with the first extruder True qualities insulating materials, second, third extruder squeeze out the outer layer insulation material of two kinds of colors respectively, and typically yellow/green color is exhausted Edge material, forms internal layer true qualities, and the two-color wire of outer layer yellow/green color squeezes out the first extruder, the second extruder and third Machine, which is connected on the same cross-head, forms co-extrusion, and extruded velocity is 20~200m/min, and extrusion temperature is 120~180 DEG C, during co-extrusion velocity variations, while the extrusion gel quantity of the first extruder, the second extruder and third extruder is controlled, To ensure each extruder speed sync variation, it is ensured that wire external diameter size, inside and outside layer thickness keep stabilization to form internal layer sheet The two-color wire of two kinds of color, outer layer colors.The wire-insulating material manufactured in this way is the double-deck melting structure, and internal layer has good There is good identification and finish, the two the insulating layer for making electric wire to be combined to have higher anti-fake distinguish for electric property, outer layer Knowledge and magnanimity, anti-counterfeiting performance are more preferable.
Preferred embodiment three, preferably one or preferred embodiment two a kind of improvement, primary insulation material after extrusion molding Material thickness is 0.6~0.75mm, and outer layer insulation material thickness is 0.1~0.15mm.Setting is so that the insulating layer of electric wire exists in this way The case where being more convenient for observing control core shift while retaining good electrical insulation properties and surface quality.
The purity of preferred embodiment four, a kind of preferably three improvement, copper single line is more than 99.98%.Make in this way For core close to fine copper material, conductive effect is more preferable, and overload capacity is stronger, and kwh loss is less.
Preferred embodiment five, preferably four a kind of improvement, the electric wire after coextrusion mold are beaten by Laser Jet device Print encrypts line code, and examination is scanned to line code in detecting step.Encryption line code generates by computer system platform and stays shelves, leads to The line code that laser marker is printed upon on wire body is crossed, is to be formed using laser ablation wire body, therefore will not be wiped Fall, will not be changed, antiforge function will not be lost, the line code printed passes through encryption, and counterfeiter can not know above-mentioned Information representated by security code, can not carry out it is counterfeit, even and if it is counterfeit, since line code enters computer system platform, user It only needs to send corresponding line code and gives system platform inquiry, after above-mentioned line code is decrypted system platform, representated by line code Information be sent to user, user although it is understood that whether relevant product information is consistent with product itself, and product is if being consistent Very, product is false if not being inconsistent.
Preferred embodiment six, as a kind of improvement of basic scheme, Ca/Zn mass ratioes are 5 in the liquid calcium zinc stabilizer: 3.Polyvinyl chloride can be effectively absorbed during heat stabilizer use using ratio collocation and adds thermogenetic hydrogen chloride, prevented certainly Dynamic oxidation polyvinyl chloride is under hot oxygen and shearing force by oxidative degradation.
The advantage of the invention is that：1, the purity of copper single line core material is up to 99.98% or more, and overload capacity is strong, loss electricity It measures low so that the performance of electric wire is more preferable.2, insulating materials is that inside and outside two layers of insulation material co-extrusion is formed, internal layer true qualities insulation material The thickness of material has 0.6-0.75 millimeter, and electrical insulation properties are very good, can pass through the detection of 6000V voltages；Outer layer is colored absolutely The thickness of edge material only has 0.1-0.15 millimeter, convenient for being distinguished for electric wire color；Ectonexine insulating materials is free of metal The harmful substances such as lead, chromium, environmental requirement reach the requirement of European Union's RoHS environmental protection instruction.3, double-deck simultaneously using inside and outside different colours Coextrusion mold makes inside and outside insulating materials form complete one in the molten state, greatly reinforces the comprehensive performance of inside and outside insulation, Due to the utilization of its more outstanding performance and special structure design and new process, make the anti-counterfeiting identification degree of electric wire more Height will cause strong strike to low-quality goods counterfeit in the market, the orderly progress for the transaction that helps to maintain market.4, used The internal layer of color electric wire uses bulk material, and outer layer is using the color needed, if red, yellow, blue, the green list of one specification of production Each 10 kilometers of electric wires of color, each color must prepare red, yellow, blue, each 100KGPVC insulating materials of green simultaneously；If using Double-layer bi-color, interior exterior materials ratio are 10%：90%, each color must prepare red, yellow, blue, each 10kgPVC of green simultaneously Insulating materials, internal layer can only prepare 270KG, and inner layer material can continuously prepare, and can greatly reduce the inventory of material in this way.
Specific implementation mode
Below by specific implementation mode, using mass fraction calculating, the present invention is described in further detail：
Embodiment 1, a kind of manufacturing method of high-performance environment-friendly home improvement wire, including wire drawing, co-extrusion, detection, lopping and enter Library step uses copper single line of the purity more than 99.98% or twisted wire for core material, and surface insulation material includes primary insulation material With outer layer insulation material, primary insulation material and outer layer insulation material are PVC insulating materials, and PVC insulating materials is gathered by 100kg Vinyl chloride, 35kg essences form benzene, 5kg liquid calcium zinc stabilizer, 8kg kaolin, 20kg calcium powders, and outer layer insulation material increase has The pigment of 1kg.
Wire drawing carries out copper bar even continuous annealing fire to be drawn to carry out, by multi-pass wire drawing；Drawing speed is when last one of wire drawing 1200m/min；Or stranding process is carried out, form copper stranded conductor core.
Co-extrusion squeezes out true qualities primary insulation material, colored outer layer insulation material by core material by extruder by the first extruder Material is squeezed out with the second extruder, formation internal layer true qualities, outer layer colour mono color electric wire；Or it is squeezed out in true qualities with the first extruder Layer insulating materials, second, third extruder squeeze out the outer layer insulation material of yellow/green color, form internal layer true qualities, outer layer yellow/green The two-color wire of color.First extruder, the second extruder and third extruder are connected to shape on the same cross-head At co-extrusion, extruded velocity is 20m/min when booting, then gradually speed-raising until extruded velocity is that 200m/min starts normal life Production, speed-raising during both extruder had been preheated, during co-extrusion velocity variations, at the same control the first extruder, second squeeze The extrusion gel quantity for going out machine and third extruder, to ensure each extruder speed sync variation, it is ensured that wire external diameter size, Inside and outside layer thickness keeps stablizing.When extrusion, the temperature for squeezing out machine inlet is 120 DEG C or so, and extruder stage casing temperature is 140 DEG C Or so, the temperature at head is 170 DEG C or so.From low to high, each section by producer material, different, extruder screw is not or not temperature Same form, the difference of extruded velocity and it is different.
Detection prints encrypted line code on wire body by laser marker, and sticks on a circle electric wire pair The circle code answered sticks corresponding case code on the babinet of one case electric wire to realize that the anti-fake of electric wire, above-mentioned line code, circle code and case code are equal Into system platform, after case formed product, it is put in storage after scanning case code by the scanner of networking, and the information of scanning is stored in The memory of system platform.
Lopping will tie up lopping with electric wire looping device by the electric wire of line code Scanning Detction.
Storage preserves the electric wire vanning storage of lopping.
Embodiment 2, difference lies in PVC insulating materials by 100kg polyvinyl chloride, 42kg essences with embodiment 1 for the present embodiment To benzene, 7kg liquid calcium zinc stabilizer, 11kg kaolin, 28kg calcium powders composition, outer layer insulation material increase has the pigment of 1.5kg, Extruder stage casing temperature is 150 DEG C or so when co-extrusion, and the temperature at head is 175 DEG C or so.
Embodiment 3, difference lies in PVC insulating materials by 100kg polyvinyl chloride, 48kg essences with embodiment 1 for the present embodiment To benzene, 8kg liquid calcium zinc stabilizer, 15kg kaolin, 35kg calcium powders composition, outer layer insulation material increase has the pigment of 1.5kg, Extruder stage casing temperature is 165 DEG C or so when co-extrusion, and the temperature at head is 180 DEG C or so.
The calcium powder used in above-described embodiment is powdered whiting and precipitated calcium carbonate in mass ratio 2:1 ratio cooperation It forms.Powdered whiting abbreviation coarse whiting is ground by natural carbonate mineral such as calcite, marble, lime stone.Lightweight Calcium carbonate, also known as winnofil, abbreviation fine particle calcium carbonate are to burn the raw materials section such as lime stone to generate lime and carbon dioxide, add water It digests lime and generates milk of lime (main component calcium hydroxide), be passed through carbon dioxide carbonization milk of lime and generate precipitation of calcium carbonate, warp Dehydration, dry and crushing are made.
Comparative example 1, this comparative example use Conventional processing methods, and it is 99.95% copper material as core material, single layer to use purity The insulating materials of insulating materials, use is made of benzene, 3kg stabilizers, 25kg powdered whitings 50kgPVC resins, 25kg.
Above-described embodiment and comparative example are compared, as a result such as table 1：
Table 1
The result compared by table 1 is it is found that the home improvement wire core material purity height manufactured using technical solution of the present invention, overload Ability is strong, and kwh loss is small, has the excellent feature of environmental protection, electrical apparatus insulation performance, physical mechanical property, anti-aging property, heat-resisting Performance and flame retardant property, the electric wire compared to classical production process production are free of the harmful substances such as metallic lead, chromium, and toxicity is low, It is small to the harm of human body and environment in production, use, removal process, there is easily distinguishable appearance, technique is unique, is not easy false It emits.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification In the records such as specific implementation mode can be used for explaining the content of claim.

Claims (5)

1. a kind of manufacturing method of high-performance environment-friendly home improvement wire, including wire drawing, co-extrusion, detection, lopping and storage step use Copper wire is core material, and surface insulation material includes true qualities primary insulation material and colored outer layer insulation material, true qualities primary insulation material Material and colored outer layer insulation material are PVC insulating materials, which is characterized in that the PVC insulating materials is by following mass fraction Material composition：100 parts of polyvinyl chloride, 35~48 parts of plasticizer, 5~8 parts of Environment-friendlyheat heat stabilizers, 8~15 parts of kaolin, 20~ 35 parts of calcium powders；For the plasticizer to be smart to benzene, the Environment-friendlyheat heat stabilizer is liquid calcium zinc stabilizer, the outer layer insulation material In also increase that have mass fraction be 1~1.5 part of pigment；Primary insulation material is squeezed out with the first extruder, second, third extrusion Machine squeezes out the outer layer insulation material of two kinds of colors respectively, and the first extruder, the second extruder and third extruder are connected to together Form co-extrusion on one cross-head, extruded velocity is 20m/min when booting, and then gradually speed-raising is until extruded velocity 200m/min, extrusion temperature are 120~180 DEG C, during co-extrusion velocity variations, while controlling the first extruder, the second extrusion The extrusion gel quantity of machine and third extruder makes each extruder speed sync change to form two kinds of internal layer true qualities, outer layer face The two-color wire of color.
2. a kind of manufacturing method of high-performance environment-friendly home improvement wire according to claim 1, it is characterised in that：Extrusion molding Primary insulation material thickness is 0.6~0.75mm afterwards, and outer layer insulation material thickness is 0.1~0.15mm.
3. a kind of manufacturing method of high-performance environment-friendly home improvement wire according to claim 2, it is characterised in that：The copper wire Purity be more than 99.95%, copper wire be copper single line or copper stranded conductor.
4. a kind of manufacturing method of high-performance environment-friendly home improvement wire according to claim 3, it is characterised in that：Coextrusion mold Electric wire afterwards prints encryption line code by Laser Jet device, and examination is scanned to line code in detecting step.
5. a kind of manufacturing method of high-performance environment-friendly home improvement wire according to claim 4, it is characterised in that：The liquid Ca/Zn mass ratioes are 5 in calcium zinc stabilizer:3.
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