CN110890183B - Manufacturing method of tensile tearing foot treading electric wire and electric wire thereof - Google Patents
Manufacturing method of tensile tearing foot treading electric wire and electric wire thereof Download PDFInfo
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- CN110890183B CN110890183B CN201911299359.2A CN201911299359A CN110890183B CN 110890183 B CN110890183 B CN 110890183B CN 201911299359 A CN201911299359 A CN 201911299359A CN 110890183 B CN110890183 B CN 110890183B
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- wire
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Classifications
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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
- H01B13/02—Stranding-up
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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
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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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
Abstract
The invention discloses a method for manufacturing a tensile tearing foot-treading electric wire and the electric wire, comprising the following steps: the bare copper wire and the multiple strands of nylon wires are led into the inner die together through the branching plate hole, the multiple strands of nylon wires uniformly surround the bare copper wire to form a conducting wire, and an insulating layer is formed on the outer periphery of the conducting wire through extrusion to obtain a core wire; and extruding the outer surface of the core wire to form an outer sheath layer to obtain the tensile tearing foot treading wire. According to the invention, by adding the nylon wire material with excellent resilience, high temperature resistance, solvent resistance, weather resistance and the like and the excellent insulating layer, the performances of pulling resistance, bending resistance, tensile resistance, pulling resistance, foot treading resistance and the like of the conductor and the wire are improved, the service life of the wire at the sole is prolonged, and the defects of wire foaming, nylon wire retraction and the like after the increase of the nylon wire are avoided by combining the manufacturing method.
Description
Technical Field
The invention relates to the technical field of electric wires, in particular to a method for manufacturing a tensile tearing foot-treading electric wire and the electric wire.
Background
The light shoes on the market, namely the shoes are bright, children wear to have good enjoyment, adults can wear the shoes when going out at night, and the shoes just like reflective clothes on a traffic police body play a role in safety. However, because the wire is not tear-resistant and swing-resistant, the electrified conductor is disconnected for too long, so that the lamp cannot be lighted for too long when a newly bought shoe is not worn. In order to solve the problem, some conventional methods increase the thickness of a wire insulating layer to prolong the service life, but have the defects of increasing soles, increasing weight and reducing the comfort of wearing shoes. In view of the above, the invention provides a method for manufacturing a tensile tearing foot-treading-resistant electric wire and an electric wire thereof, which overcome the above problems by adding nylon wires and avoid the defects of wire blistering, nylon wire retraction and the like after the increase of the nylon wires.
Disclosure of Invention
The invention aims to provide a manufacturing method of a tensile tearing foot stepping wire and the wire thereof aiming at the defects of the prior art, wherein the tensile tearing foot stepping wire is improved in tensile resistance, bending resistance and bending resistance of the wire, the service life of the wire at a sole is prolonged, the characteristics of bending resistance, tensile force and the like of a conductor are enhanced by adding a nylon wire material with excellent rebound resilience, high temperature resistance, solvent resistance, weather resistance and the like and an excellent insulating layer, and the defects of wire foaming, nylon wire retraction and the like after nylon wires are added are avoided by combining the manufacturing method.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a manufacturing method of a tensile tearing foot-treading electric wire comprises the following steps:
s1: preparing a core wire, namely enabling a bare copper wire and a plurality of strands of nylon wires to penetrate into an inner mold through a branching plate hole, enabling the plurality of strands of nylon wires to uniformly surround the bare copper wire to form a conducting wire, and extruding the conducting wire to form an insulating layer on the periphery of the conducting wire to obtain the core wire;
s2: and (4) preparing a sheath, and extruding the outer surface of the core wire to form an outer sheath layer to obtain the tensile tearing foot treading electric wire.
Furthermore, the nylon yarn is long fiber or short fiber made of thermoplastic resin material containing repeated amide group-NHCO-on the main molecular chain.
Preferably, the nylon wire is prepared from the following components in parts by weight: 50-60 parts of block copolymerization polyamide 6, 15-20 parts of polyethylene carbonate, 10-15 parts of silane coupling agent and 2-5 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran).
Preferably, the nylon yarn is at least one of a long-chain macromolecular compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymerized nylon and PA6-b-PPG polyether copolymerized nylon.
Further, the nylon wire and the bare copper wire are matched into 7 strands of 0.14 bare copper wires and 1050D nylon wires, and the 1050D nylon wires are divided into 150D 7 strands and evenly surround the copper wires.
Further, the insulating layer is prepared from the following components in parts by weight: 30-40 parts of acrylate rubber, 20-30 parts of chlorohydrin rubber, 20-35 parts of polytrimethylene terephthalate, 15-18 parts of polycarbonate, 10-12 parts of glass fiber soaked with organic silicon, 2-3 parts of silane coupling agent and 1-2 parts of anti-aging agent.
Furthermore, the conducting wire can be selected from any one or more of a plurality of structures, a bulletproof wire, a copper foil wire and copper-clad steel.
The wire obtained by the manufacturing method of the tensile tearing treading wire is characterized by comprising a wire, an insulating layer arranged on the periphery of the wire and an outer sheath layer arranged on the periphery of the insulating layer, wherein the wire is formed by uniformly surrounding a plurality of strands of nylon wires on the periphery of a bare copper wire.
Compared with the prior art, the invention has the beneficial effects that:
according to the manufacturing method of the tensile tearing foot-treading electric wire and the electric wire, the characteristics of excellent rebound resilience, high temperature resistance, oil resistance, weak acid resistance, alkali resistance, good electric insulation property, self-extinguishing property, no toxicity, good weather resistance, poor dyeing property and the like of the nylon wire are utilized through the specially-made nylon wire material, meanwhile, the nylon wire is endowed with good bending resistance, tensile tearing resistance and the like, and the characteristics of excellent insulation property, weather resistance and the like of the insulating layer are matched, so that the nylon wire is arranged between a copper wire conductor and an insulating sheath, the tensile strength, the swinging bending resistance and the bending resistance of the wire in a sole are improved, the service life of the wire in a sole is prolonged, the bending resistance, the tensile strength and the like of the conductor are enhanced, the tests under various situations of sports shoes are improved, the service life of the wire at the bottom is greatly prolonged, the lamp is ensured not to.
The present invention will be further described with reference to the following examples.
Detailed Description
Example 1: the manufacturing method of the tensile tearing foot-treading electric wire provided by the embodiment comprises the following steps:
s1: preparing a core wire, namely enabling a bare copper wire and a plurality of strands of nylon wires to penetrate into an inner mold through a branching plate hole, enabling the plurality of strands of nylon wires to uniformly surround the bare copper wire to form a conducting wire, and extruding the conducting wire to form an insulating layer on the periphery of the conducting wire to obtain the core wire; in order to increase the swinging and bending resistance of the wire, nylon wires are filled around the conductor, the nylon wires are added along with possible problems and solve problems such as wire foaming, the nylon wires have moisture, and the nylon wires are heated by side blowing of a heater before extrusion or are dried for 2 hours; or the nylon wire is retracted to reduce the paying-off tension, the nylon wire is eccentric on one side, therefore, the nylon wire is uniformly placed on the wire arranging plate with the copper wire as the center and twisted, and a plurality of strands of nylon wires uniformly surround the bare copper wire to form a conducting wire.
S2: and (4) preparing a sheath, and extruding the outer surface of the core wire to form an outer sheath layer to obtain the tensile tearing foot treading electric wire. The sample was recorded as 1.15mm outer diameter, 19/0.08 bare copper +1050D nylon wire white, grey, green. The invention increases the nylon wire between the copper wire conductor and the insulating sheath, improves the tensile resistance, the swing bending resistance and the bending resistance of the wire, prolongs the service life of the wire at the sole, and the material meets the 65-grade environmental protection detection standard of California. In the process of a large amount of long-term sports, running and mountain climbing, the shoes can be tested in various forms, nylon wires are added, the service life of bottom wires is greatly prolonged, and the lamp is guaranteed to be powered on and off.
Wherein the nylon yarn is long fiber or short fiber made of thermoplastic resin material containing repeated amide group-NHCO-on the main molecular chain. Preferably, the nylon yarn is prepared from the following components in parts by weight: 55 parts of block copolymerization polyamide 6, 18 parts of polyethylene carbonate, 12 parts of silane coupling agent and 3 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran). Or the nylon yarn is at least one of a long chain polymer compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymerized nylon and PA6-b-PPG polyether copolymerized nylon. The insulating layer is prepared from the following components in parts by weight: 35 parts of acrylate rubber, 26 parts of chlorohydrin rubber, 28 parts of polytrimethylene terephthalate, 16 parts of polycarbonate, 12 parts of glass fiber soaked in organic silicon, 2.5 parts of silane coupling agent and 1 part of anti-aging agent.
The nylon wire and the bare copper wire are matched into 7 strands of 0.14 bare copper wires and 1050D nylon wires, and the 1050D nylon wires are divided into 150D 7 strands and evenly surround the copper wires. The lead can also be selected from any one or more of a plurality of structures, bulletproof wires, copper foil wires and copper-clad steel. Specifically, 7 strands of 0.14 bare copper and 1050D nylon wires are penetrated into the inner die together through the branching plate holes, the 1050D nylon wires are divided into 150D 7 strands to uniformly surround the copper wires, the insulating layer can also be made of 35P PVC, and the performance of the general PVC material is inferior to that of thermoplastic elastomers such as TPE (thermoplastic elastomer) and TPU (thermoplastic polyurethane).
The wire obtained by the manufacturing method of the tensile tearing treading-resistant wire further comprises a lead, an insulating layer arranged on the outer periphery of the lead and an outer sheath layer arranged on the outer periphery of the insulating layer, wherein the lead is formed by uniformly surrounding a plurality of strands of nylon wires around a bare copper wire. The filled part in the lead is not only nylon wire, but also can be selected from the bulletproof wire with the strength much higher than that of the nylon wire, and can be selected when necessary, so that the nylon wire is increased to enhance the tensile and bending resistance, and the conductor part can be selected from a multi-branch structure, or copper foil wire, copper clad steel and the like, and the thinner the more the softer the better.
Example 2: the method for manufacturing the anti-pulling and anti-treading electric wire and the electric wire thereof provided by the embodiment are basically the same as the electric wire in the embodiment 1, except that the nylon wire added into the conductor is a long fiber or a short fiber made of a thermoplastic resin material with a molecule main chain containing a repeated amide group-NHCO-. Preferably, the nylon yarn is prepared from the following components in parts by weight: 50 parts of block copolymerization polyamide 6, 20 parts of polyethylene carbonate, 10 parts of silane coupling agent and 5 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran). Or the nylon yarn is at least one of a long chain polymer compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymerized nylon and PA6-b-PPG polyether copolymerized nylon. The insulating layer is prepared from the following components in parts by weight: 30 parts of acrylate rubber, 30 parts of chlorohydrin rubber, 20 parts of polytrimethylene terephthalate, 18 parts of polycarbonate, 10 parts of glass fiber soaked in organic silicon, 3 parts of silane coupling agent and 1 part of anti-aging agent.
Example 3: the method for manufacturing the anti-pulling and anti-treading electric wire and the electric wire thereof provided by the embodiment are basically the same as the electric wire in the embodiment 1, except that the nylon wire added into the conductor is a long fiber or a short fiber made of a thermoplastic resin material with a molecule main chain containing a repeated amide group-NHCO-. Preferably, the nylon yarn is prepared from the following components in parts by weight: 60 parts of block copolymerization polyamide 6, 15 parts of polyethylene carbonate, 10 parts of silane coupling agent and 2 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran). Or the nylon yarn is at least one of a long chain polymer compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymerized nylon and PA6-b-PPG polyether copolymerized nylon. The insulating layer is prepared from the following components in parts by weight: 40 parts of acrylate rubber, 20 parts of chlorohydrin rubber, 35 parts of polytrimethylene terephthalate, 15 parts of polycarbonate, 10 parts of glass fiber soaked in organic silicon, 2 parts of silane coupling agent and 2 parts of anti-aging agent.
Example 4: the method for manufacturing the anti-pulling and anti-treading electric wire and the electric wire thereof provided by the embodiment are basically the same as the electric wire in the embodiment 1, except that the nylon wire added into the conductor is a long fiber or a short fiber made of a thermoplastic resin material with a molecule main chain containing a repeated amide group-NHCO-. Preferably, the nylon yarn is prepared from the following components in parts by weight: 58 parts of block copolymerization polyamide 6, 17 parts of polyethylene carbonate, 13 parts of silane coupling agent and 4 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran). Or the nylon yarn is at least one of a long chain polymer compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymerized nylon and PA6-b-PPG polyether copolymerized nylon. The insulating layer is prepared from the following components in parts by weight: 36 parts of acrylate rubber, 28 parts of chlorohydrin rubber, 30 parts of polytrimethylene terephthalate, 16 parts of polycarbonate, 11 parts of glass fiber soaked in organic silicon, 2.2 parts of silane coupling agent and 1.1 parts of anti-aging agent.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention.
Claims (5)
1. A manufacturing method of a tensile tearing foot-treading electric wire is characterized by comprising the following steps:
s1: preparing a core wire, namely enabling a bare copper wire and a plurality of strands of nylon wires to penetrate into an inner mold through a branching plate hole, enabling the plurality of strands of nylon wires to uniformly surround the bare copper wire to form a conducting wire, and extruding the conducting wire to form an insulating layer on the periphery of the conducting wire to obtain the core wire;
s2: preparing a sheath, namely extruding the outer surface of the core wire to form an outer sheath layer to obtain the tensile tearing foot treading wire;
the nylon yarn is long fiber or short fiber made of thermoplastic resin material with a molecular main chain containing repeated amide groups-NHCO-; the nylon yarn is prepared from the following components in parts by weight: 50-60 parts of block copolymerization polyamide 6, 15-20 parts of polyethylene carbonate, 10-15 parts of silane coupling agent and 2-5 parts of antioxidant; the block copolymer polyamide 6 is a polyamide 6 type thermoplastic elastomer with a segmented block copolymer structure, and is synthesized by adopting a two-step method, wherein a PA6 prepolymer with double terminal carboxyl groups for termination is synthesized, and then the polyamide 6 thermoplastic elastomer is generated by carrying out polyesterification reaction with PTMG (polytetrahydrofuran).
2. The method for manufacturing a tensile-tearing stepping wire according to claim 1, wherein the nylon yarn is at least one of a long-chain polymer compound formed by interfacial polycondensation of hexamethylene diamine and sebacoyl chloride, PA6-b-PEG polyether copolymer nylon, and PA6-b-PPG polyether copolymer nylon.
3. The method as claimed in claim 1, wherein the nylon wire and the bare copper wire are combined into 7 strands of 0.14 bare copper wire and 1050D nylon wire, and the 1050D nylon wire is divided into 150D by 7 strands and uniformly surrounds the copper wire.
4. The method for manufacturing the tensile treading electric wire by tearing the foot as claimed in claim 1, wherein the insulating layer is made of the following components in parts by weight: 30-40 parts of acrylate rubber, 20-30 parts of chlorohydrin rubber, 20-35 parts of polytrimethylene terephthalate, 15-18 parts of polycarbonate, 10-12 parts of glass fiber soaked with organic silicon, 2-3 parts of silane coupling agent and 1-2 parts of anti-aging agent.
5. An electric wire obtained by the method for manufacturing the anti-pulling treading electric wire according to any one of claims 1 to 4, wherein the electric wire comprises a conducting wire, an insulating layer arranged on the outer periphery of the conducting wire and an outer sheath layer arranged on the outer periphery of the insulating layer, and the conducting wire is formed by uniformly surrounding a bare copper wire by a plurality of strands of nylon wires.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299359.2A CN110890183B (en) | 2019-12-17 | 2019-12-17 | Manufacturing method of tensile tearing foot treading electric wire and electric wire thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299359.2A CN110890183B (en) | 2019-12-17 | 2019-12-17 | Manufacturing method of tensile tearing foot treading electric wire and electric wire thereof |
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| CN110890183A CN110890183A (en) | 2020-03-17 |
| CN110890183B true CN110890183B (en) | 2021-01-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449012A (en) * | 1980-12-19 | 1984-05-15 | Kupferdraht-Isolierwerk Ag Wildegg | Overhead cable with tension-bearing means |
| CN201364749Y (en) * | 2009-01-14 | 2009-12-16 | 安徽五洲特种电缆集团有限公司 | Light type military wire |
| CN103459448A (en) * | 2010-11-05 | 2013-12-18 | 拜耳知识产权有限责任公司 | Reaction mixture in the form of an emulsion and process for production of polyurethane foams from such a reaction mixture |
| CN204141351U (en) * | 2014-07-01 | 2015-02-04 | 深圳市蓝月光电子科技有限公司 | A kind of LED cord lamp string |
| CN206819775U (en) * | 2017-02-08 | 2017-12-29 | 东莞市万泓电线有限公司 | A kind of high cable of tensile strength |
-
2019
- 2019-12-17 CN CN201911299359.2A patent/CN110890183B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449012A (en) * | 1980-12-19 | 1984-05-15 | Kupferdraht-Isolierwerk Ag Wildegg | Overhead cable with tension-bearing means |
| CN201364749Y (en) * | 2009-01-14 | 2009-12-16 | 安徽五洲特种电缆集团有限公司 | Light type military wire |
| CN103459448A (en) * | 2010-11-05 | 2013-12-18 | 拜耳知识产权有限责任公司 | Reaction mixture in the form of an emulsion and process for production of polyurethane foams from such a reaction mixture |
| CN204141351U (en) * | 2014-07-01 | 2015-02-04 | 深圳市蓝月光电子科技有限公司 | A kind of LED cord lamp string |
| CN206819775U (en) * | 2017-02-08 | 2017-12-29 | 东莞市万泓电线有限公司 | A kind of high cable of tensile strength |
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| CN110890183A (en) | 2020-03-17 |
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