Super-soft distortion-resistant cable and manufacturing method thereof

Abstract

The invention relates to the field of cables, and discloses a super-soft distortion-resistant cable and a manufacturing method thereof.The super-soft distortion-resistant cable comprises a conductor layer, the conductor layer is formed by twisting tin-plated copper filaments with the wire diameter being 0.1 mm-0. 5mm, the surface of the conductor layer is coated with a layer of high-temperature-resistant coating, an insulating layer is arranged on the outer side of the conductor layer, and the insulating layer is arranged on the outer side of the conductor layer. The insulating layer is prepared by blending polyurethane and a thermoplastic elastomer material, an ultraviolet light absorber, an anti-aging agent and a cold-resistant plasticizer are added during manufacturing, an isolating layer is arranged on the outer side of the insulating layer, and the isolating layer is prepared by compounding a polyester film and a polyethylene material. Polyurethane can provide flexibility and wear resistance, polyethylene can increase flexibility and chemical resistance, polyurethane can increase flexibility and wear resistance, and the enhancement layer can improve the mechanical strength and durability of the cable, so that the super-flexibility and distortion resistance of the cable are further improved, and the applicability of the cable is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of cables, in particular to a super-soft and twist-resistant cable and a manufacturing method thereof. Background Art

[0002] A cable is an electrical energy or signal transmission device, usually composed of several or several groups of wires. It can be installed in the air or buried underground or underwater for telecommunications or power transmission. Depending on its purpose and structure, cables can be divided into many types, including power cables, communication cables, control cables, etc. They are widely used in power, electrical and related transmission fields.

[0003] Traditional cables focus on different aspects depending on the needs. Therefore, while ensuring ultra-softness, the cable's torsion resistance will be lower. While ensuring torsion resistance, its ultra-softness performance is also limited. Therefore, the applicability of traditional cables is also limited. Therefore, it is necessary to propose an ultra-soft and torsion-resistant cable and its manufacturing method to solve the above problems and improve the applicability of the cable. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an ultra-soft and torsion-resistant cable and a method for manufacturing the same, so as to solve the problem that traditional cables focus on different aspects depending on different requirements. Therefore, while ensuring ultra-softness, the cable's torsion resistance performance will be lower, and while ensuring torsion resistance, its ultra-softness performance is also limited, so the applicability of traditional cables is also limited.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an ultra-soft and twist-resistant cable, comprising a conductor layer, the conductor layer is twisted by tinned copper filaments with a wire diameter of 0.1mm-0.5mm, and a layer of high-temperature resistant paint is coated on the surface thereof, an insulating layer is arranged on the outside of the conductor layer, the insulating layer is made by blending polyurethane and thermoplastic elastomer materials, and ultraviolet absorbers, anti-aging agents and cold-resistant plasticizers are added during manufacturing, an isolation layer is arranged on the outside of the insulating layer, the isolation layer is composited by polyester film and polyethylene materials, and flame retardants and waterproofing agents are added during manufacturing, a sheath layer is arranged on the outside of the isolation layer, the sheath layer is blended by polyvinyl chloride and polyurethane materials, and anti-ultraviolet agents and toughening agents are added during manufacturing, a reinforcing layer is arranged on the outside of the sheath layer, the reinforcing layer is composited by aramid fiber and glass fiber materials, and anti-tear agents are added during manufacturing, and a layer of anti-corrosion coating is coated on the surface thereof.

[0006] Preferably, the ratio of the polyurethane to the thermoplastic elastomer is 55%-65%:35%-45%, the ratio of the polyester film to the polyethylene material is 65%-75%:25%-35%, the ratio of the polyvinyl chloride to the polyurethane material is 65%-75%:25%-35%, and the ratio of the aramid fiber to the glass fiber material is 45%-55%:45%-55%.

[0007] Preferably, the outer diameter of the conductor layer is 0.3mm-2mm, and the thicknesses of the insulating layer, isolation layer, sheath layer and reinforcement layer are 0.5mm-2mm, 0.1mm-0.5mm, 0.5mm-3mm and 0.1mm-0.5mm respectively.

[0008] Preferably, the added amounts of the ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are 1%-3%, 0.5%-2% and 3%-10% respectively, the added amounts of the flame retardant and waterproof agent are 5%-10% and 2%-5%, the added amounts of the anti-ultraviolet agent and toughening agent are 1%-3% and 3%-7%, and the added amount of the anti-tear agent is 1%-3%.

[0009] Preferably, the high temperature resistant coating is polyimide or polytetrafluoroethylene, and its thickness is 10 μm-50 μm; the anti-corrosion coating is epoxy resin or polyurethane coating, and its thickness is 20 μm-100 μm.

[0010] A method for manufacturing an ultra-soft and twist-resistant cable comprises the following steps:

[0011] S1. Preparation of conductor layer: twisting a plurality of tinned copper filaments by a twisting machine, and after twisting, evenly coating a layer of high temperature resistant coating on the outer side by a coating machine, thereby forming a conductor layer;

[0012] S2. Preparation of insulating layer: The polyurethane and thermoplastic elastomer materials are uniformly blended in proportion by a blender, and a certain proportion of ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are added to obtain the insulating layer raw material, and then the insulating layer raw material is uniformly extruded on the surface of the conductor layer by an extruder to form an insulating layer and cooled;

[0013] S3, preparation of isolation layer: compounding polyester film and polyethylene material according to proportion through a compounding machine, and adding a certain proportion of flame retardant and waterproofing agent to obtain isolation layer raw material, and then extruding the isolation layer raw material evenly on the surface of the cooled insulation layer through an extruder to form an isolation layer and cool it;

[0014] S4, preparation of the sheath layer: blending polyvinyl chloride and polyurethane materials in proportion through a blender, and adding a certain proportion of an anti-ultraviolet agent and a toughening agent to obtain a sheath layer raw material, and then evenly extruding the sheath layer raw material on the surface of the cooled isolation layer through an extruder to form a sheath layer and cool it;

[0015] S5. Preparation of reinforcement layer: Aramid fiber and glass fiber material are compounded in proportion through a compounding machine, and a certain proportion of tear resistant agent is added to obtain the reinforcement layer raw material, and then the reinforcement layer raw material is evenly extruded on the surface of the cooled sheath layer through an extruder, and then a layer of anti-corrosion coating is evenly coated through a coating machine to form a reinforcement layer, thereby completing the production.

[0016] Preferably, the operating speed of the stranding machine in step S1 is 50-300 m / min, the rotation speed of the blender in step S2 is 50-200 rpm, and the temperature is 150-220°C, the operating speed of the extruder in step S3 is 20-80 m / min, the temperature is 180-210°C, and the screw speed is 20-60 rpm, the temperature of the blender in step S4 is 160-200°C, the rotation speed is 50-150 rpm, and the operating speed of the extruder in S5 is 20-80 m / min, the temperature is 180-220°C, and the screw speed is 20-60 rpm.

[0017] Preferably, the operating speed of the coating machine in steps S1 and S5 is 10-50 m / min, the temperature is 100-200°C, the operating speed of the extruder in steps S2 and S4 is 20-100 m / min, the temperature is 180-220°C, the screw speed is 20-80 rpm, and the temperature of the compounding machine in steps S3 and S5 is 160-210°C, and the operating speed is 10-60 m / min.

[0018] The present invention provides a super-soft and twist-resistant cable and a manufacturing method thereof, which has the following beneficial effects:

[0019] 1. The present invention improves the flexibility of the cable and enhances the twisting resistance through the tinned copper filament twisted structure, effectively isolates the current through the insulating layer, and polyurethane can provide softness and wear resistance. The safety and adaptability of the cable are improved through the isolation layer. Polyethylene can increase flexibility and chemical resistance, and the durability of the cable is improved through the sheath layer. Polyurethane can increase flexibility and wear resistance, and the mechanical strength and durability of the cable are improved through the reinforcement layer, so that the ultra-softness and twisting resistance of the cable are further improved, thereby enhancing its applicability.

[0020] 2. The present invention enhances the UV resistance, aging resistance and cold resistance of the cable by adding UV absorbers, anti-aging agents and cold-resistant plasticizers, improves the safety and environmental resistance of the cable by adding flame retardants and waterproofing agents, enhances the UV resistance and durability of the sheath by adding anti-UV agents and toughening agents, and enhances the tear resistance of the cable by adding anti-tear agents, so that the cable can be used in a variety of environments, thereby enhancing the practicality of the ultra-soft and torsion-resistant cable.

[0021] 3. The present invention provides anti-corrosion protection through the setting of anti-corrosion coating, prolongs the service life of the cable, and enhances the corrosion resistance of the cable. The tin plating layer can prevent copper oxidation and prolong the service life of the cable. The setting of high-temperature resistant coating can maintain the performance of the cable in a high-temperature environment, making it difficult to deform or damage, and can also prevent the conductor layer from getting damp or short-circuited, thereby further enhancing the practicality of the ultra-soft and torsion-resistant cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the method for manufacturing the ultra-soft and twist-resistant cable of the present invention. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example:

[0025] The embodiment of the present invention provides an ultra-soft and twist-resistant cable, including a conductor layer, which is formed by twisting tinned copper filaments with a wire diameter of 0.1mm-0.5mm, and a layer of high-temperature resistant paint is coated on the surface of the conductor layer, an insulating layer is arranged on the outside of the conductor layer, the insulating layer is made by blending polyurethane and thermoplastic elastomer materials, and ultraviolet absorbers, anti-aging agents and cold-resistant plasticizers are added during manufacturing, an isolation layer is arranged on the outside of the insulating layer, the isolation layer is made by composite polyester film and polyethylene materials, and flame retardants and waterproofing agents are added during manufacturing, a sheath layer is arranged on the outside of the isolation layer, the sheath layer is made by blending polyvinyl chloride and polyurethane materials, and anti-ultraviolet agents and toughening agents are added during manufacturing, a reinforcement layer is arranged on the outside of the sheath layer, and the reinforcement layer is made of It is made of a composite of aramid fiber and glass fiber materials, and an anti-tear agent is added during the manufacturing process, and an anti-corrosion coating is coated on its surface; the ratio of polyurethane to thermoplastic elastomer is 55%-65%:35%-45%, the ratio of polyester film to polyethylene material is 65%-75%:25%-35%, the ratio of polyvinyl chloride to polyurethane material is 65%-75%:25%-35%, and the ratio of aramid fiber to glass fiber material is 45%-55%:45%-55%; the outer diameter of the conductor layer is 0.3mm-2mm, and the thickness of the insulating layer, isolation layer, sheath layer and reinforcement layer are 0.5mm-2mm, 0.1mm-0.5mm, 0.5mm-3mm and 0.1mm-0.5mm respectively.

[0026] Specifically, the conductor layer provides good conductivity, while the tinned layer can prevent copper oxidation and extend the service life of the cable. The tinned copper filament twisted structure improves the flexibility of the cable and enhances its torsion resistance. The high-temperature resistant coating can maintain the performance of the cable in a high-temperature environment, making it less likely to deform or be damaged, and can also prevent the conductor layer from getting damp or short-circuited. The insulating layer effectively isolates the current, thereby improving the durability of the cable and its ability to adapt to various environments. Polyurethane can provide softness and wear resistance, and thermoplastic elastomer can provide good electrical insulation and chemical resistance, thereby further enhancing the softness and torsion resistance of the cable. The isolation layer improves the safety and adaptability of the cable, and polyester film can provide excellent insulation, and polyethylene can increase flexibility and chemical resistance, thereby further enhancing the softness and torsion resistance of the cable. degree; the durability of the cable is improved through the sheath layer, and its ability to adapt to harsh environments is enhanced, and polyvinyl chloride can provide corresponding physical protection, and polyurethane can increase flexibility and wear resistance, thereby further enhancing the softness and twisting resistance of the cable; the mechanical strength and durability of the cable are further improved through the reinforcement layer, and aramid fiber can provide high strength and toughness, and glass fiber can enhance its tensile and tearing resistance, thereby further enhancing the softness and twisting resistance of the cable; so that the ultra-softness and twisting resistance of the cable can be further improved, thereby solving the problem that the traditional cables focus on different aspects according to different needs, so the cable will have lower twisting resistance while ensuring ultra-softness, and its ultra-softness while ensuring twisting resistance is also limited, so the applicability of traditional cables is also limited.

[0027] The added amounts of UV absorber, anti-aging agent and cold-resistant plasticizer are 1%-3%, 0.5%-2% and 3%-10% respectively; the added amounts of flame retardant and waterproofing agent are 5%-10% and 2%-5%; the added amounts of anti-UV agent and toughening agent are 1%-3% and 3%-7%; the added amount of anti-tear agent is 1%-3%; the high temperature resistant coating is polyimide or polytetrafluoroethylene, and its thickness is 10μm-50μm; the anti-corrosion coating is epoxy resin or polyurethane coating, and its thickness is 20μm-100μm.

[0028] Specifically, by setting the anti-corrosion coating, anti-corrosion protection is provided, the service life of the cable is extended, and the corrosion resistance of the cable is enhanced; by adding UV absorbers, anti-aging agents, and cold-resistant plasticizers, the cable's UV resistance, aging resistance, and cold resistance are enhanced; by adding flame retardants and waterproofing agents, the cable's safety and environmental resistance are improved; by adding anti-UV agents and toughening agents, the UV resistance and durability of the sheath are enhanced; by adding anti-tear agents, the cable's tear resistance is enhanced, so that it can be used in a variety of environments, thereby enhancing the practicality of the ultra-soft and torsion-resistant cable.

[0029] Please see attached Figure 1, a method for making an ultra-soft and twist-resistant cable, comprising the following steps:

[0030] S1. Preparation of conductor layer: twisting a plurality of tinned copper filaments by a twisting machine, and after twisting, uniformly coating a layer of high temperature resistant coating on the outer side by a coating machine, thereby forming a conductor layer;

[0031] S2. Preparation of insulating layer: The polyurethane and thermoplastic elastomer materials are uniformly blended in proportion by a blender, and a certain proportion of ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are added to obtain the insulating layer raw material, and then the insulating layer raw material is uniformly extruded on the surface of the conductor layer by an extruder to form an insulating layer and cooled;

[0032] S3, preparation of isolation layer: compounding polyester film and polyethylene material according to proportion through a compounding machine, and adding a certain proportion of flame retardant and waterproofing agent to obtain isolation layer raw material, and then extruding the isolation layer raw material evenly on the surface of the cooled insulation layer through an extruder to form an isolation layer and cool it;

[0033] S4, preparation of the sheath layer: blending polyvinyl chloride and polyurethane materials in proportion through a blender, and adding a certain proportion of an anti-ultraviolet agent and a toughening agent to obtain a sheath layer raw material, and then evenly extruding the sheath layer raw material on the surface of the cooled isolation layer through an extruder to form a sheath layer and cool it;

[0034] S5. Preparation of reinforcement layer: Aramid fiber and glass fiber material are compounded in proportion through a compounding machine, and a certain proportion of tear resistant agent is added to obtain the reinforcement layer raw material, and then the reinforcement layer raw material is evenly extruded on the surface of the cooled sheath layer through an extruder, and then a layer of anti-corrosion coating is evenly coated through a coating machine to form a reinforcement layer, thereby completing the production.

[0035] In step S1, the operating speed of the stranding machine is 50-300 m / min, the speed of the blender in step S2 is 50-200 rpm, the temperature is 150-220°C, the operating speed of the extruder in step S3 is 20-80 m / min, the temperature is 180-210°C, and the screw speed is 20-60 rpm. In step S4, the temperature of the blender is 160-200°C, the speed is 50-150 rpm, and the operating speed of the extruder in S5 is 20-80 m / min, the temperature is 180-220°C, and the screw speed is 20-60 rpm.

[0036] In steps S1 and S5, the operating speed of the coating machine is 10-50 m / min, the temperature is 100-200°C, the operating speed of the extruder in steps S2 and S4 is 20-100 m / min, the temperature is 180-220°C, and the screw speed is 20-80 rpm. In steps S3 and S5, the temperature of the compounding machine is 160-210°C, and the operating speed is 10-60 m / min.

[0037] The following is further introduced in conjunction with specific embodiments:

[0038] Embodiment 1:

[0039] A super-soft and twist-resistant cable comprises a conductor layer, which is twisted by tinned copper filaments with a wire diameter of 0.1 mm and coated with a layer of high-temperature resistant paint on the surface; an insulating layer is arranged on the outer side of the conductor layer, which is made by blending polyurethane and thermoplastic elastomer materials, and an ultraviolet absorber, an anti-aging agent and a cold-resistant plasticizer are added during manufacturing; an isolation layer is arranged on the outer side of the insulating layer, which is composited by polyester film and polyethylene materials, and a flame retardant and a waterproofing agent are added during manufacturing; a sheath layer is arranged on the outer side of the isolation layer, which is blended by polyvinyl chloride and polyurethane materials, and an anti-ultraviolet agent and a toughening agent are added during manufacturing; a reinforcement layer is arranged on the outer side of the sheath layer, which is composited by aramid fiber and glass fiber materials, and an anti-tear agent is added during manufacturing, and an anti-corrosion coating is coated on the surface.

[0040] The ratio of polyurethane to thermoplastic elastomer is 55%:45%, the ratio of polyester film to polyethylene material is 65%:35%, the ratio of polyvinyl chloride to polyurethane material is 65%:35%, and the ratio of aramid fiber to glass fiber material is 45%:55%.

[0041] The outer diameter of the conductor layer is 1.15 mm, and the thicknesses of the insulation layer, isolation layer, sheath layer, and reinforcement layer are 1.25 mm, 0.3 mm, 1.75 mm, and 0.3 mm, respectively.

[0042] The added amounts of UV absorber, anti-aging agent and cold-resistant plasticizer are 2%, 1.3% and 7% respectively, the added amounts of flame retardant and waterproofing agent are 8% and 4%, the added amounts of anti-UV agent and toughening agent are 2% and 5%, and the added amount of anti-tear agent is 2%.

[0043] The high temperature resistant coating is polyimide or polytetrafluoroethylene, and its thickness is 30μm; the anti-corrosion coating is epoxy resin or polyurethane coating, and its thickness is 60μm.

[0044] A method for manufacturing an ultra-soft and twist-resistant cable comprises the following steps:

[0045] S1. Preparation of conductor layer: twisting a plurality of tinned copper filaments by a twisting machine, and after twisting, uniformly coating a layer of high temperature resistant coating on the outer side by a coating machine, thereby forming a conductor layer;

[0046] S2. Preparation of insulating layer: The polyurethane and thermoplastic elastomer materials are uniformly blended in proportion by a blender, and a certain proportion of ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are added to obtain the insulating layer raw material, and then the insulating layer raw material is uniformly extruded on the surface of the conductor layer by an extruder to form an insulating layer and cooled;

[0047] S3, preparation of isolation layer: compounding polyester film and polyethylene material according to proportion through a compounding machine, and adding a certain proportion of flame retardant and waterproofing agent to obtain isolation layer raw material, and then extruding the isolation layer raw material evenly on the surface of the cooled insulation layer through an extruder to form an isolation layer and cool it;

[0048] S4, preparation of the sheath layer: blending polyvinyl chloride and polyurethane materials in proportion through a blender, and adding a certain proportion of an anti-ultraviolet agent and a toughening agent to obtain a sheath layer raw material, and then evenly extruding the sheath layer raw material on the surface of the cooled isolation layer through an extruder to form a sheath layer and cool it;

[0049] S5. Preparation of reinforcement layer: Aramid fiber and glass fiber material are compounded in proportion through a compounding machine, and a certain proportion of tear resistant agent is added to obtain the reinforcement layer raw material, and then the reinforcement layer raw material is evenly extruded on the surface of the cooled sheath layer through an extruder, and then a layer of anti-corrosion coating is evenly coated through a coating machine to form a reinforcement layer, thereby completing the production.

[0050] In step S1, the operating speed of the stranding machine is 200m / min, the speed of the blender in step S2 is 150rpm, the temperature is 190°C, the operating speed of the extruder in step S3 is 60m / min, the temperature is 200°C, and the screw speed is 50rpm, the temperature of the blender in step S4 is 180°C, the speed is 110rpm, and the operating speed of the extruder in S5 is 60m / min, the temperature is 200°C, and the screw speed is 50rpm.

[0051] In steps S1 and S5, the operating speed of the coating machine is 30 m / min and the temperature is 160°C. In steps S2 and S4, the operating speed of the extruder is 60 m / min, the temperature is 200°C, and the screw speed is 50 rpm. In steps S3 and S5, the temperature of the compounding machine is 190°C and the operating speed is 40 m / min.

[0052] Embodiment 2:

[0053] The difference between this embodiment and the above-mentioned embodiment 1 is that:

[0054] A super-soft and twist-resistant cable comprises a conductor layer, which is twisted by tinned copper filaments with a wire diameter of 0.5 mm and coated with a layer of high-temperature resistant paint on the surface; an insulating layer is arranged on the outer side of the conductor layer, which is made by blending polyurethane and thermoplastic elastomer materials, and an ultraviolet absorber, an anti-aging agent and a cold-resistant plasticizer are added during manufacturing; an isolation layer is arranged on the outer side of the insulating layer, which is composited by polyester film and polyethylene materials, and a flame retardant and a waterproofing agent are added during manufacturing; a sheath layer is arranged on the outer side of the isolation layer, which is blended by polyvinyl chloride and polyurethane materials, and an anti-ultraviolet agent and a toughening agent are added during manufacturing; a reinforcement layer is arranged on the outer side of the sheath layer, which is composited by aramid fiber and glass fiber materials, and an anti-tear agent is added during manufacturing, and an anti-corrosion coating is coated on the surface.

[0055] The ratio of polyurethane to thermoplastic elastomer is 65%:35%, the ratio of polyester film to polyethylene material is 75%:25%, the ratio of polyvinyl chloride to polyurethane material is 75%:25%, and the ratio of aramid fiber to glass fiber material is 55%:45%.

[0056] Embodiment 3:

[0057] The difference between this embodiment and the above-mentioned embodiment 1 is that:

[0058] A super-soft and twist-resistant cable comprises a conductor layer, which is twisted by tinned copper filaments with a wire diameter of 0.3 mm and coated with a layer of high-temperature resistant paint on the surface; an insulating layer is arranged on the outer side of the conductor layer, which is made by blending polyurethane and thermoplastic elastomer materials, and an ultraviolet absorber, an anti-aging agent and a cold-resistant plasticizer are added during manufacturing; an isolation layer is arranged on the outer side of the insulating layer, which is composited by polyester film and polyethylene materials, and a flame retardant and a waterproofing agent are added during manufacturing; a sheath layer is arranged on the outer side of the isolation layer, which is blended by polyvinyl chloride and polyurethane materials, and an anti-ultraviolet agent and a toughening agent are added during manufacturing; a reinforcement layer is arranged on the outer side of the sheath layer, which is composited by aramid fiber and glass fiber materials, and an anti-tear agent is added during manufacturing, and an anti-corrosion coating is coated on the surface.

[0059] The ratio of polyurethane to thermoplastic elastomer is 60%:30%, the ratio of polyester film to polyethylene material is 70%:30%, the ratio of polyvinyl chloride to polyurethane material is 70%:30%, and the ratio of aramid fiber to glass fiber material is 50%:50%.

[0060] Table 1:

[0061] contrast Example 1 Example 2 Example 3 Standard value Bending times (times) 70000 80000 90000 65000 Twist angle (degrees) ±180 ±180 ±180 ±180 Twist times (times) 14000 16000 18000 13000

[0062] The comparison in the above table is for cables. It can be seen from Table 1 that tinned copper filaments of different wire diameters can affect the number of bending and twisting times of the cable, and further affect the super softness and twisting resistance of the cable. The different proportions of polyurethane and thermoplastic elastomer, polyester film and polyethylene material, polyvinyl chloride and polyurethane material, aramid fiber and glass fiber material can affect the number of bending and twisting times of the cable, and further affect the super softness and twisting resistance of the cable, thereby further improving the super softness and twisting resistance of the cable, thereby enhancing its applicability.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultra-soft and twist-resistant cable, comprising a conductor layer, characterized in that: The conductor layer is formed by twisting tinned copper filaments with a wire diameter of 0.1mm-0.5mm, and a layer of high-temperature resistant paint is coated on the surface thereof; an insulating layer is arranged on the outside of the conductor layer, and the insulating layer is made by blending polyurethane and thermoplastic elastomer materials, and ultraviolet absorbers, anti-aging agents and cold-resistant plasticizers are added during manufacturing; an isolation layer is arranged on the outside of the insulating layer, and the isolation layer is composited with polyester film and polyethylene materials, and flame retardants and waterproofing agents are added during manufacturing; a sheath layer is arranged on the outside of the isolation layer, and the sheath layer is blended with polyvinyl chloride and polyurethane materials, and anti-ultraviolet agents and toughening agents are added during manufacturing; a reinforcement layer is arranged on the outside of the sheath layer, and the reinforcement layer is composited with aramid fiber and glass fiber materials, and anti-tear agents are added during manufacturing, and an anti-corrosion coating is coated on the surface thereof.

2. The ultra-soft twist-resistant cable according to claim 1, characterized in that: The ratio of the polyurethane to the thermoplastic elastomer is 55%-65%:35%-45%, the ratio of the polyester film to the polyethylene material is 65%-75%:25%-35%, the ratio of the polyvinyl chloride to the polyurethane material is 65%-75%:25%-35%, and the ratio of the aramid fiber to the glass fiber material is 45%-55%:45%-55%.

3. The ultra-soft twist-resistant cable according to claim 1, characterized in that: The outer diameter of the conductor layer is 0.3mm-2mm, and the thicknesses of the insulating layer, isolation layer, sheath layer and reinforcement layer are 0.5mm-2mm, 0.1mm-0.5mm, 0.5mm-3mm and 0.1mm-0.5mm respectively.

4. The super-soft twist-resistant cable according to claim 1, characterized in that: The added amounts of the ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are 1%-3%, 0.5%-2% and 3%-10% respectively; the added amounts of the flame retardant and waterproof agent are 5%-10% and 2%-5%; the added amounts of the anti-ultraviolet agent and toughening agent are 1%-3% and 3%-7%; the added amount of the anti-tear agent is 1%-3%.

5. The super-soft twist-resistant cable according to claim 1, characterized in that: The high temperature resistant coating is polyimide or polytetrafluoroethylene, and its thickness is 10 μm-50 μm; the anti-corrosion coating is epoxy resin or polyurethane coating, and its thickness is 20 μm-100 μm.

6. A method for manufacturing a super soft and twist resistant cable, characterized in that: An ultra-soft and twist-resistant cable according to any one of claims 1 to 5, comprising the following steps: S1. Preparation of conductor layer: twisting a plurality of tinned copper filaments by a twisting machine, and after twisting, uniformly coating a layer of high temperature resistant coating on the outer side by a coating machine, thereby forming a conductor layer; S2. Preparation of insulating layer: The polyurethane and thermoplastic elastomer materials are uniformly blended in proportion by a blender, and a certain proportion of ultraviolet absorber, anti-aging agent and cold-resistant plasticizer are added to obtain the insulating layer raw material, and then the insulating layer raw material is uniformly extruded on the surface of the conductor layer by an extruder to form an insulating layer and cooled; S3, preparation of isolation layer: compounding polyester film and polyethylene material according to proportion through a compounding machine, and adding a certain proportion of flame retardant and waterproofing agent to obtain isolation layer raw material, and then extruding the isolation layer raw material evenly on the surface of the cooled insulation layer through an extruder to form an isolation layer and cool it; S4, preparation of the sheath layer: blending polyvinyl chloride and polyurethane materials in proportion through a blender, and adding a certain proportion of an anti-ultraviolet agent and a toughening agent to obtain a sheath layer raw material, and then evenly extruding the sheath layer raw material on the surface of the cooled isolation layer through an extruder to form a sheath layer and cool it; S5. Preparation of reinforcement layer: Aramid fiber and glass fiber material are compounded in proportion through a compounding machine, and a certain proportion of tear resistant agent is added to obtain the reinforcement layer raw material, and then the reinforcement layer raw material is evenly extruded on the surface of the cooled sheath layer through an extruder, and then a layer of anti-corrosion coating is evenly coated through a coating machine to form a reinforcement layer, thereby completing the production.

7. The method for manufacturing a super-soft and twist-resistant cable according to claim 6, characterized in that: In the step S1, the running speed of the stranding machine is 50-300 m / min, the speed of the blender in the step S2 is 50-200 rpm, and the temperature is 150-220° C., the running speed of the extruder in the step S3 is 20-80 m / min, the temperature is 180-210° C., and the screw speed is 20-60 rpm, the temperature of the blender in the step S4 is 160-200° C., the speed is 50-150 rpm, and the running speed of the extruder in the step S5 is 20-80 m / min, the temperature is 180-220° C., and the screw speed is 20-60 rpm.

8. The method for manufacturing a super-soft and twist-resistant cable according to claim 6, characterized in that: The operating speed of the coating machine in steps S1 and S5 is 10-50 m / min, and the temperature is 100-200°C. The operating speed of the extruder in steps S2 and S4 is 20-100 m / min, the temperature is 180-220°C, and the screw speed is 20-80 rpm. The temperature of the compounding machine in steps S3 and S5 is 160-210°C, and the operating speed is 10-60 m / min.

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