阅读说明：本技术 一种氟塑料绝缘及护套屏蔽耐高温计算机电缆 (Fluoroplastic insulation and sheath shielding high-temperature-resistant computer cable ) 是由 卢英斌 卢蛟 黄伟 叶银珠 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种氟塑料绝缘及护套屏蔽耐高温计算机电缆,包括两组导线,两组所述导线两侧设置有无碱玻纤填充绳,两组所述导线的外表面包裹有成缆聚酯带绕包层,所述成缆聚酯带绕包层的外表面包裹有铜丝编织屏蔽层,所述铜丝编织屏蔽层的外表面包裹有氟塑料护套,通过在铜导体的外表面缠绕一层耐火层,能够有效的提高其承热能力,并且在两根导线进行绞合时填充无碱玻纤填充绳,防止电缆的内部出现空隙,提高电缆的韧性,使得电缆不易变形,同时铜丝编织屏蔽层,能够有效的防止外界信号对其带来的干扰,最后外侧包裹一层氟塑料护套对内部导线进行保护,进一步提高其使用时的稳定性和使用寿命。(The invention discloses a fluoroplastic insulation and sheath shielding high-temperature-resistant computer cable, which comprises two groups of conducting wires, wherein both sides of the two groups of conducting wires are provided with alkali-free glass fiber filling ropes, the outer surfaces of the two groups of conducting wires are wrapped with cabling polyester tape wrapping layers, the outer surface of the cabling polyester tape wrapping layer is wrapped with a copper wire braided shielding layer, the outer surface of the copper wire braided shielding layer is wrapped with a fluoroplastic sheath, the outer surface of the copper conductor is wound with a layer of refractory layer, so that the heat bearing capacity of the copper conductor can be effectively improved, and the alkali-free glass fiber filling rope is filled when the two leads are twisted, so that the inside of the cable is prevented from generating gaps, the toughness of the cable is improved, the cable is not easy to deform, meanwhile, the shielding layer is woven by the copper wires, so that interference caused by external signals can be effectively prevented, and the inner wire is protected by wrapping a layer of fluoroplastic sheath on the outer side at last, so that the stability and the service life of the cable in use are further improved.)

1. A fluoroplastic insulation and sheath shielding high-temperature-resistant computer cable comprises two groups of leads (1), and is characterized in that alkali-free glass fiber filling ropes (2) are arranged on two sides of the two groups of leads (1), the outer surfaces of the two groups of leads (1) are wrapped with cabling polyester tape wrapping layers (3), the outer surfaces of the cabling polyester tape wrapping layers (3) are wrapped with copper wire braided shielding layers (4), and the outer surfaces of the copper wire braided shielding layers (4) are wrapped with fluoroplastic sheaths (5);

wire (1) includes two copper conductor (11), two the surface of copper conductor (11) all wraps up flame retardant coating (12), the surface cladding of flame retardant coating (12) has fluoroplastics insulating layer (13), two the surface parcel of fluoroplastics insulating layer (13) has twist polyester tape around covering (14).

2. A fluoroplastic insulation and sheath shielded high temperature resistant computer cable as claimed in claim 1, wherein the computer cable is prepared by the method comprising:

the method comprises the following steps: preparing a copper conductor (11) by a copper rod material and utilizing a mould, winding a fire-resistant layer (12) on the outer surface of the copper conductor (11), extruding a fluoroplastic insulating layer (13) on the outer surface of the copper conductor (11) in a cladding mode, and winding twisted-pair polyester tapes on the outer surfaces of the two copper conductors (11) in a spiral mode through a lapping machine to form a lead (1);

step two: selecting two leads (1), placing alkali-free glass fiber filling ropes (2) on two sides of the leads (1), then carrying out spiral stranding through a stranding machine, and winding a layer of cabled polyester tape on the surface of the leads through a wrapping machine;

step three: the outer surface of the cable-forming polyurethane belt is sleeved with a copper wire braided shielding layer (4), finally, the modified fluoroplastic is introduced into the plastic extruding machine, a fluoroplastic sheath (5) is extruded on the outer surface of the copper wire braided shielding layer (4), and the cable-forming polyurethane belt is rolled through rolling equipment after being cooled.

3. A fluoroplastic insulating and sheath shielding high temperature resistant computer cable as claimed in claim 2 wherein in step one, the fire resistant layer (12) is formed by lapping mica tapes at an angle of 10-15 °.

4. A fluoroplastic insulating and sheath shielding high temperature resistant computer cable as claimed in claim 3 wherein in step three, the modified fluoroplastic is prepared by the following steps: the modified fluoroplastic is prepared by the following components, by weight, 30-43 parts of polytetrafluoroethylene, 35-39 parts of polyperfluoroalkoxy resin, 12-16 parts of ceramic micropowder, 4-10 parts of aluminate, 1-2 parts of mica powder, 4-10 parts of silicon oxide, 5-8 parts of quartz sand, 3-6 parts of coupling agent, 4-8 parts of preservative, 2-5 parts of lubricant and 1-4 parts of light stabilizer, and the modified fluoroplastic is obtained by introducing the components into a reaction kettle for smelting and mixing.

5. A fluoroplastic insulating and sheath shielding high-temperature resistant computer cable according to claim 4, wherein the preservative is prepared from novolac epoxy powder, acrylic acid, N-methyl pyrrolidone, polyoxyethylene lauryl ether, phthalate and borax in a weight ratio of (8): 9: 4: 3: 1: 1.

6. A fluoroplastic insulating and sheath shielding high-temperature-resistant computer cable as claimed in claim 5, wherein the light stabilizer is any one of styrene-methacrylic acid (2,2,6, 6-tetramethylpiperidyl), tris (2,2,6, 6-methyl-4-piperidinyloxy) phosphite and tris (1,2,2,6, 6-pentamethylpiperidyl) phosphite.

7. A fluoroplastic insulating and sheath shielding high temperature resistant computer cable as claimed in claim 6 wherein said lubricant is any one of polyethylene wax, polypropylene wax and oxidized polyethylene wax.

8. A fluoroplastic insulated and sheathed high temperature-resistant computer cable as claimed in claim 7 wherein the coupling agent is selected from one or a mixture of divinylbenzene and diisocyanate.

Technical Field

The invention relates to the technical field of computer cables, in particular to a fluoroplastic insulated and sheath shielded high-temperature-resistant computer cable.

Background

The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. Along with the high-speed development of the wire and cable industry of various countries, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved. The computer cable is one of cables, and the structure of the traditional computer cable is unstable, easy to damage and incapable of being normally used at high temperature.

Most of the existing computer cables are single in structure, a lot of copper conductors in the cables are protected through the sheaths, the use stability is kept, the computer cables not only can influence the service life of the computer cables in a high-temperature environment, but also can influence the data transmission stability of the computer cables, and the cables are easy to lay and untidy when being wound and unwound, so that the labor intensity of workers is high.

Disclosure of Invention

The invention aims to provide a fluoroplastic insulation and sheath shielding high-temperature-resistant computer cable, which can effectively improve the heat-bearing capacity of a copper conductor by winding a fire-resistant layer on the outer surface of the copper conductor, and finally, a fluoroplastic sheath is wrapped on the outer side to protect an internal lead, so that the stability and the service life of the cable during use are further improved, and the cable can be flatly laid on a cable drum or the ground during winding and unwinding by utilizing a guide wheel on a guide plate, so that the labor intensity of workers can be effectively reduced.

The purpose of the invention can be realized by the following technical scheme:

a fluoroplastic insulation and sheath shielding high-temperature-resistant computer cable comprises two groups of conducting wires, wherein alkali-free glass fiber filling ropes are arranged on two sides of each group of conducting wires, the outer surfaces of the two groups of conducting wires are wrapped with a cabling polyester tape wrapping layer, the outer surface of the cabling polyester tape wrapping layer is wrapped with a copper wire braided shielding layer, and the outer surface of the copper wire braided shielding layer is wrapped with a fluoroplastic sheath;

the wire includes two copper conductors, two the surface of copper conductor all wraps the flame retardant coating, the surface cladding of flame retardant coating has the fluoroplastics insulating layer, two the surface cladding of fluoroplastics insulating layer has the twisted pair polyester tape to wind the covering.

As a further scheme of the invention: the preparation method of the computer cable comprises the following steps:

the method comprises the following steps: the copper conductor is prepared by a copper rod material and a mould, a layer of fire-resistant layer is wound on the outer surface of the copper conductor, a fluoroplastic insulating layer is extruded on the outer surface of the copper conductor in a cladding mode, and twisted-pair polyester tapes are wound on the outer surfaces of the two copper conductors in a spiral mode through a lapping machine, so that the wire is formed.

Step two: two wires are selected, alkali-free glass fiber filling ropes are placed on two sides of the wires, then the wires are twisted in a spiral mode through a twisting machine, and a layer of cabling polyester tape is wound on the surface of the wires through a wrapping machine.

Step three: and sleeving a copper wire braided shielding layer on the outer surface of the cable-forming polyurethane belt, introducing the modified fluoroplastic into a plastic extruding machine, extruding a fluoroplastic sheath on the outer surface of the copper wire braided shielding layer, and rolling the sheath by using rolling equipment after cooling.

As a further scheme of the invention: in the third step, the preparation method of the modified fluoroplastic comprises the following steps: the modified fluoroplastic is prepared by the following components, by weight, 30-43 parts of polytetrafluoroethylene, 35-39 parts of polyperfluoroalkoxy resin, 12-16 parts of ceramic micropowder, 4-10 parts of aluminate, 1-2 parts of mica powder, 4-10 parts of silicon oxide, 5-8 parts of quartz sand, 3-6 parts of coupling agent, 4-8 parts of preservative, 2-5 parts of lubricant and 1-4 parts of light stabilizer, and the modified fluoroplastic is obtained by introducing the components into a reaction kettle for smelting and mixing.

As a further scheme of the invention: the preservative is prepared from novolac epoxy powder, acrylic acid, N-methyl pyrrolidone, polyoxyethylene lauryl ether, phthalate and borax according to the weight part ratio of 8: 9: 4: 3: 1: 1.

As a further scheme of the invention: the light stabilizer is any one of styrene-methacrylic acid, phosphorous triester and phosphorous triester.

As a further scheme of the invention: the lubricant is any one compound of polyethylene wax, polypropylene wax and oxidized polyethylene wax.

As a further scheme of the invention: the coupling agent is prepared from one or a mixture of two of divinylbenzene and diisocyanate.

The invention has the beneficial effects that:

(1) according to the invention, the outer surface of the copper conductor is wound with the fire-resistant layer, so that the heat-bearing capacity of the copper conductor can be effectively improved, the alkali-free glass fiber filling rope is filled when the two wires are twisted, the gap in the cable is prevented, the toughness of the cable is improved, the cable is not easy to deform, meanwhile, the shielding layer is woven by the copper wires, the interference caused by external signals can be effectively prevented, and finally, the inner wires are protected by wrapping the outer side with the fluoroplastic sheath, so that the stability of the copper conductor during use is further improved, and the service life of the copper conductor is further prolonged.

(2) According to the invention, the support plate is arranged in the winding device, and the threaded rod is driven to rotate by the rotating motor, so that the moving block can move left and right, the cable is placed on the moving block, and the cable can be flatly laid on a cable drum or the ground when being wound and unwound by the guide wheel on the guide plate, thereby effectively reducing the labor intensity of workers.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the construction of a computer cable of the present invention;

FIG. 2 is a schematic view of the external structure of the winding device of the present invention;

fig. 3 is an external structural view of the moving block of the present invention;

fig. 4 is a schematic view of the external structure of the cable reel of the present invention.

In the figure: 1. a wire; 11. a copper conductor; 12. a refractory layer; 13. a fluoroplastic insulating layer; 2. alkali-free glass fiber filling ropes; 14. a twisted pair polyester tape-wrapped cladding; 3. a cabled polyester tape wrapping layer; 4. weaving a shielding layer by using copper wires; 5. a fluoroplastic sheath; 21. a support frame; 22. a cable drum; 23. a support plate; 24. a mounting frame; 25. a threaded sleeve; 26. rotating the motor; 27. a threaded rod; 28. a moving block; 29. a threaded hole; 210. a slide hole; 211. a support bar; 212. a guide plate; 213. a guide wheel; 214. a rotating gear; 215. a sliding shaft; 216. a ring gear; 217. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention is a fluoroplastic insulated and sheathed high-temperature-resistant computer cable, which includes two sets of wires 1, the lead 1 comprises two copper conductors 11, the outer surfaces of the two copper conductors 11 are coated with fire-resistant layers 12, the fire-resistant layer 12 plays a role in heat insulation, the outer surface of the fire-resistant layer 12 is coated with fluoroplastic insulating layers 13, the outer surfaces of the two fluoroplastic insulating layers 13 are coated with twisted polyester tape winding layers 14, two sides of the two groups of leads 1 are provided with alkali-free glass fiber filling ropes 2, the outer surfaces of the two groups of leads 1 are coated with cabled polyester tape winding layers 3, the outer surface of the cabling polyester tape winding layer 3 is wrapped with a copper wire braided shielding layer 4, the copper wire braided shielding layer 4 is used for shielding interference of external signals, and the outer surface of the copper wire braided shielding layer 4 is wrapped with a fluoroplastic sheath 5.

The preparation method of the computer cable comprises the following steps:

the method comprises the following steps: the copper conductor 11 is prepared by a copper rod material by using a die, a fire-resistant layer 12 is wound on the outer surface of the copper conductor 11, a fluoroplastic insulating layer 13 is extruded on the outer surface of the copper conductor 11 in a cladding manner, and twisted-pair polyester tapes are wound on the outer surfaces of the two copper conductors 11 in a spiral manner by a lapping machine, so that the lead 1 is formed.

Step two: two wires 1 are selected, alkali-free glass fiber filling ropes 2 are placed on two sides of each wire 1, then the wires are twisted in a spiral mode through a twisting machine, and a layer of cabling polyester tape is wound on the surface of each wire through a wrapping machine.

Step three: the outer surface of the cable-forming polyurethane belt is sleeved with a copper wire braided shielding layer 4, finally, modified fluoroplastic is introduced into a plastic extruding machine, a fluoroplastic sheath 5 is extruded on the outer surface of the copper wire braided shielding layer 4, and after cooling, the cable-forming polyurethane belt is rolled through rolling equipment.

In the first step, the fire-resistant layer 12 is formed by lapping mica tapes at an angle of 10-15 degrees.

The winding device comprises two support frames 21 and a cable drum 22, a support plate 23 is fixedly connected between one side of each support frame 21, mounting frames 24 are fixedly connected to the two sides of the front surface of the support plate 23, a threaded sleeve 25 penetrates through one side of each mounting frame 24, a rotating motor 26 is fixedly connected to the front surface of the support plate 23 and positioned on one side of the mounting frame 24, a threaded rod 27 is fixedly connected to the output end of the rotating motor 26, the outer surface of the threaded rod 27 is in threaded connection with the inner surface of the threaded rod 27, a moving block 28 is arranged on the outer surface of the threaded rod 27, a threaded hole 29 is formed in one side of the moving block 29 and positioned on the two sides of the threaded hole 29, sliding holes 210 are formed in one side of the moving block 28 and positioned on the two sides of the threaded rod 29, and support rods 211 are fixedly connected to the two opposite sides of the two support frames 21 and positioned on the threaded rod 27, the surface of bracing piece 211 and the internal surface sliding connection of sliding hole 210, one side of movable block 28 is provided with three group's deflectors 212, deflector 212 comprises two mounting panels, and one side fixedly connected with brace rod of mounting panel rotates between the relative one side of two mounting panels and is connected with leading wheel 213, is located the left side one side fixedly connected with driving motor 217 of mounting bracket 24, driving motor 217's output fixedly connected with rotating gear 214 is located the right side one side of mounting bracket 24 is run through there is sliding shaft 215, the internal surface fixed connection of cable drum 22 has ring gear 216, ring gear 216 is connected with rotating gear 214 meshing, the surface of sliding shaft 215 and the internal surface sliding connection of cable drum 22.

The using method of the winding device comprises the following steps: firstly, one end of a cable penetrates through the guide plate 212 in an up-and-down staggered manner, and is in contact with the guide wheel 213 on the guide plate 212, and one end of the cable is fixed on the inner surface of the cable drum 22, then the rotating motor 26 and the driving motor 217 are started, the rotating motor 26 rotates through the meshing relationship between the rotating gear 214 and the gear ring 216, so that the cable drum 22 rotates on the outer surface of the sliding shaft 215, and the cable is wound, at the moment, the rotating motor 26 rotates to drive the threaded rod 27 to rotate, the moving block 28 moves by utilizing the connection relationship between the threaded rod 27 and the threaded hole 29 in the moving block 28, so that the sliding hole 210 on the moving block 28 slides on the outer surface of the supporting rod 211, and the guide plate 212 drives the guide wheel 213 to move to one side, and the cable is uniformly wound on the outer surface of the cable drum 22.

In the third step, the preparation method of the modified fluoroplastic comprises the following steps: the modified fluoroplastic is prepared by the following components, by weight, 30-43 parts of polytetrafluoroethylene, 35-39 parts of polyperfluoroalkoxy resin, 12-16 parts of ceramic micropowder, 4-10 parts of aluminate, 1-2 parts of mica powder, 4-10 parts of silicon oxide, 5-8 parts of quartz sand, 3-6 parts of coupling agent, 4-8 parts of preservative, 2-5 parts of lubricant and 1-4 parts of light stabilizer, and the modified fluoroplastic is obtained by introducing the components into a reaction kettle for smelting and mixing.

The preservative is prepared from novolac epoxy powder, acrylic acid, N-methyl pyrrolidone, polyoxyethylene lauryl ether, phthalate and borax according to the weight part ratio of 8: 9: 4: 3: 1: 1.

The light stabilizer is any one compound of styrene-methacrylic acid 2,2,6, 6-tetramethyl piperidyl, phosphorous acid tri-2, 2,6, 6-methyl-4-piperidine nitroxide free radical ester and phosphorous acid tri-1, 2,2,6, 6-pentamethyl piperidyl ester.

The lubricant is any one compound of polyethylene wax, polypropylene wax and oxidized polyethylene wax.

The coupling agent is prepared from one or a mixture of two of divinylbenzene and diisocyanate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.