CN210182094U - Thin-diameter anti-distortion multi-core cable - Google Patents
Thin-diameter anti-distortion multi-core cable Download PDFInfo
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- CN210182094U CN210182094U CN201921332983.3U CN201921332983U CN210182094U CN 210182094 U CN210182094 U CN 210182094U CN 201921332983 U CN201921332983 U CN 201921332983U CN 210182094 U CN210182094 U CN 210182094U
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Abstract
The utility model discloses a thin antitorque multicore cable that footpath changes, this multicore cable include that two insulation core and two insulation pair twist sinle silk transposition constitute first core, fluororesin wind the area, weave shielding layer and double-deck oversheath, and insulation pair twist sinle silk includes the second core and the winding shielding layer that constitute by two pair twist sinle silk pair twists, and pair twist sinle silk includes first inner conductor and first fluororesin insulating layer, insulation core includes second inner conductor and second fluororesin insulating layer, and fluororesin is 0.01mm to 0.1mm around package thickness, and fluororesin winds the package around the package clearance and outside and wind 1 to 5 times that are the bandwidth apart from being the bandwidth at first core, and fluororesin area bandwidth is 1 to 3 times of first core external diameter around the package. The method realizes the thinning treatment and the good anti-distortion property of the multi-core cable.
Description
Technical Field
The utility model relates to a wire and cable technical field, concretely relates to thin footpath antitorque multicore cable.
Background
In recent years, in an automatic industrial manufacturing line, for example, connection and assembly of a welding robot and a manipulator need to be applied to a multi-core cable which is highly bent and continuously moves. At present, as a multi-core cable is developed toward a reduction in diameter and weight, the reduction in diameter and the anti-twisting property need to be considered more.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's is not enough, and the technical problem that solve provides a thin footpath anti-distortion multicore cable, and it has compromise the thin footpath that has realized multicore cable and has handled and good anti-distortion nature.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
A small-diameter anti-twisting multi-core cable comprises a first core body formed by twisting two insulated wire cores and two insulated twisted wire cores, and a fluororesin wrapping tape, a braided shielding layer and a double-layer outer sheath which are sequentially coated outside the first core body, the insulated twisted-pair wire core comprises a second wire core body formed by twisting two twisted-pair wire cores in pairs and a winding shielding layer coated outside the second wire core body, the twisted pair wire core comprises a first inner conductor and a first fluororesin insulation layer coated outside the first inner conductor, the insulated wire core comprises a second inner conductor and a second fluorine resin insulating layer coated outside the second inner conductor, fluororesin is around package tape thickness and is 0.01mm to 0.1mm, fluororesin is around the package in the package tape gap outside and around 1 to 5 times that the distance is the bandwidth, fluororesin is around the package tape bandwidth 1 to 3 times of first line core external diameter.
Preferably, the outer diameter of the insulated wire core is 2mm to 3.5mm, and the outer diameter of the insulated twisted wire core is 0.85 to 1.15 times of the outer diameter of the insulated wire core.
Preferably, the first inner conductor is formed by twisting a plurality of first bunched wires, the first bunched wires are formed by twisting a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.15mm, and the diameter of the first inner conductor is 0.5mm to 1 mm.
Preferably, the second inner conductor is formed by twisting a plurality of second bunch wires, the second bunch wires are formed by twisting a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.15mm, and the diameter of the second inner conductor is 1.5mm to 3 mm.
Preferably, the winding shielding layer is formed by winding tin-plated copper monofilaments with the diameter not more than 0.05 mm.
Preferably, the braided shield layer is formed by braiding tinned copper foil wires and tinned copper monofilaments in a reverse spiral winding manner, and the diameter ratio of the tinned copper foil wires to the tinned copper monofilaments is 1.5:1 to 2.5: 1.
Preferably, the first fluororesin insulation layer and the second fluororesin insulation layer each comprise at least two fluororesin layers, and the outermost fluororesin layer has the largest melt index and a thickness of less than 0.03 mm.
Preferably, the first fluororesin insulation layer has a thickness of 0.2mm to 0.4mm, the second fluororesin insulation layer has a thickness of 0.2mm to 0.5mm, and the first fluororesin insulation layer has an outer diameter of 1.2mm to 1.6 mm.
Preferably, the double-layer outer sheath is made of PVC or PU materials, and the outer diameter of the double-layer outer sheath ranges from 6mm to 11 mm.
The manufacturing method of the small-diameter anti-twisting multi-core cable comprises the following specific steps:
the method comprises the following steps: hard copper wires are tinned to form tinned copper monofilaments, a plurality of tinned copper monofilaments are stranded to form bunches, and the bunches are stranded to form a first inner conductor and a second inner conductor;
step two: extruding a first fluororesin insulating layer and a second fluororesin insulating layer on the first inner conductor and the second inner conductor respectively through an extruder to form a twisted wire core and an insulated wire core;
step three: the two twisted wire cores are twisted together in a pair mode through a twisting machine to form a second wire core body;
step four: winding a winding shielding layer on the second wire core body through a winding machine and forming an insulated twisted-pair wire core;
step five: arranging two insulated wire cores and two insulated twisted wire cores in a staggered manner on a twisting machine and twisting the two insulated wire cores and the two insulated twisted wire cores together to form a first wire core body;
step six: enabling the fluororesin wrapping tape to carry out gap wrapping on the first bobbin body through a winding machine;
step seven: the method comprises the following steps that a tinned copper foil wire and a tinned copper monofilament are spirally wound and woven in opposite directions on a fluororesin wrapping tape by a weaving machine to form a braided shielding layer;
step eight: and extruding and wrapping the double-layer outer sheath on the woven shielding layer twice through an extruder, and cooling to prepare the multi-core cable.
The utility model has the advantages that:
1. the insulating layer of the multi-core cable is made of fluororesin material, and has low conductivity, good insulating property and low friction coefficient, thereby being beneficial to realizing the small-diameter soft manufacturing of the multi-core cable.
2. The hard copper wire is adopted as a normal-temperature wire drawing process, annealing treatment is not carried out, the tensile strength is higher than that of a soft copper wire, and after tinning is carried out to form tinned copper monofilaments, the first inner conductor and the second inner conductor which are formed by twisting can effectively improve the twisting resistance of the multi-core cable.
3. The first fluororesin insulating layer and the second fluororesin insulating layer adopt at least two-layer laminated structure, the phenomenon that the thickness of the insulating layer is not uniform easily caused by single-layer extrusion coating is effectively avoided, and in addition, under the condition that the melt index of the outermost fluororesin insulating layer is the largest, the thickness is less than 0.03mm, the smooth and uniform outer surface of the insulating layer can be realized, the electric insulating property is excellent, the mechanical strength is improved, and meanwhile, the excellent voltage-resistant characteristic is ensured.
4. Under the condition that the fluororesin wrapping tape is wrapped outside the first wire core body in a clearance manner and the winding distance is 1-5 times of the bandwidth, the weight of the wrapping tape is reduced, the multi-core cable is lightened, meanwhile, the friction phenomenon of the wrapping tape and the resistance effect in the twisting process are effectively reduced, and the flexibility of the multi-core cable is improved.
5. Compared with the single-layer extruded outer sheath, the double-layer outer sheath formed by twice extrusion ensures the uniformity of the thickness of the outer sheath of the multi-core cable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention.
Reference numerals: 1-an insulated wire core, 2-an insulated twisted-pair wire core, 3-a fluororesin wrapping tape, 4-a braided shielding layer, 5-a double-layer outer sheath, 6-a twisted-pair wire core, 7-a wound shielding layer, 8-a first inner conductor, 9-a first fluororesin insulating layer, 10-a second inner conductor and 11-a second fluororesin insulating layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses thin footpath antitorque multicore cable of change, including two insulation core 1 and two insulation pair twist sinle silk 2 transposition first line cores that constitute and cladding in proper order the outside fluororesin of first line core is around band 3, weave shielding layer 4 and double-deck oversheath 5. Fluororesin is around 3 thickness of area 0.01mm to 0.1mm, fluororesin is around 3 clearances of area around the package and is in first line core outside and winding distance are 1 to 5 times of bandwidth, fluororesin is around 3 bandwidths of area 1 to 3 times of first line core external diameter. Specifically, the outer diameter of the insulated wire core 1 is 2mm to 3.5mm, and the outer diameter of the insulated twisted wire core 2 is 0.85 to 1.15 times of the outer diameter of the insulated wire core 1, so that the first wire core body can be slightly round in section. The braided shielding layer 4 is formed by spirally winding and braiding tinned copper foil wires and tinned copper monofilaments in opposite directions, and the diameter ratio of the tinned copper foil wires to the tinned copper monofilaments is 1.5: 1-2.5: 1. The double-layer outer sheath 5 is made of PVC or PU materials, and the outer diameter of the double-layer outer sheath 5 is 6mm to 11 mm.
The insulated twisted-pair wire core 2 comprises a second wire core body formed by twisting 6 pairs of two twisted-pair wire cores and a winding shielding layer 7 coated outside the second wire core body, and further the winding shielding layer 7 is formed by winding tin-plated copper monofilaments with the diameter not more than 0.05 mm. The twisted pair wire core 6 comprises a first inner conductor 8 and a first fluororesin insulating layer 9 coated outside the first inner conductor 8, specifically, the first inner conductor 8 is formed by twisting a plurality of first bunched wires, the first bunched wires are formed by twisting a plurality of tinned copper monofilaments with the diameter of 0.05mm to 0.15mm, and the diameter of the first inner conductor 8 is 0.5mm to 1 mm.
Insulating sinle silk 1 includes second inner conductor 10 and cladding second fluorine resin insulating layer 11 outside second inner conductor 10, specific saying so, second inner conductor 10 comprises a plurality of second bunch transposition, the second bunch comprises a plurality of diameters as 0.05mm to 0.15 mm's tin-plated copper monofilament transposition, the diameter of second inner conductor 10 is 1.5mm to 3 mm.
Further, the first fluororesin insulation layer 9 and the second fluororesin insulation layer 11 each comprise at least two fluororesin layers, and the outermost fluororesin layer has the largest melt index and a thickness of less than 0.03 mm. The first fluororesin insulation layer 9 has a thickness of 0.2mm to 0.4mm, the second fluororesin insulation layer 11 has a thickness of 0.2mm to 0.5mm, and the first fluororesin insulation layer 9 has an outer diameter of 1.2mm to 1.6 mm.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. Thin anti-distortion multicore cable of footpath, characterized by: the cable comprises a first cable core body formed by twisting two insulated cable cores (1) and two insulated twisted-pair cable cores (2), a fluororesin wrapping tape (3), a woven shielding layer (4) and a double-layer outer sheath (5) which are sequentially coated outside the first cable core body, wherein the insulated twisted-pair cable cores (2) comprise a second cable core body formed by twisting two twisted-pair cable cores (6) in pairs and a winding shielding layer (7) coated outside the second cable core body, the twisted-pair cable cores (6) comprise first inner conductors (8) and first fluororesin insulating layers (9) coated outside the first inner conductors (8), the insulated cable cores (1) comprise second inner conductors (10) and second fluororesin insulating layers (11) coated outside the second inner conductors (10), the thickness of the wrapping fluororesin tape (3) is 0.01mm to 0.1mm, and the fluororesin tape (3) is wound outside the first cable core body in a clearance manner and the winding distance is 1 to 5 times of the bandwidth, the band width of the fluororesin wrapping band (3) is 1 to 3 times of the outer diameter of the first bobbin body.
2. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the outer diameter of the insulated wire core (1) is 2mm to 3.5mm, and the outer diameter of the insulated twisted wire core (2) is 0.85 to 1.15 times of the outer diameter of the insulated wire core (1).
3. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: first inner conductor (8) are stranded by a plurality of first bunch and constitute, first bunch comprises the stranded tinned copper monofilament that a plurality of diameters are 0.05mm to 0.15mm, the diameter of first inner conductor (8) is 0.5mm to 1 mm.
4. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the second inner conductor (10) is stranded by a plurality of second bunch and constitutes, the second bunch is stranded by a plurality of diameters and constitutes for 0.05mm to 0.15 mm's tin-plated copper monofilament, the diameter of second inner conductor (10) is 1.5mm to 3 mm.
5. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the winding shielding layer (7) is formed by winding tin-plated copper monofilaments with the diameter not more than 0.05 mm.
6. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the braided shielding layer (4) is formed by spirally winding and braiding tinned copper foil wires and tinned copper monofilaments in opposite directions, and the diameter ratio of the tinned copper foil wires to the tinned copper monofilaments is 1.5: 1-2.5: 1.
7. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the first fluororesin insulation layer (9) and the second fluororesin insulation layer (11) each comprise at least two fluororesin layers, and the outermost fluororesin layer has the largest melt index and a thickness of less than 0.03 mm.
8. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the thickness of the first fluororesin insulation layer (9) is 0.2mm to 0.4mm, the thickness of the second fluororesin insulation layer (11) is 0.2mm to 0.5mm, and the outer diameter of the first fluororesin insulation layer (9) is 1.2mm to 1.6 mm.
9. The reduced-diameter, twist-resistant multi-core cable of claim 1, wherein: the double-layer outer sheath (5) is made of PVC or PU materials, and the outer diameter of the double-layer outer sheath (5) ranges from 6mm to 11 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332983.3U CN210182094U (en) | 2019-08-16 | 2019-08-16 | Thin-diameter anti-distortion multi-core cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921332983.3U CN210182094U (en) | 2019-08-16 | 2019-08-16 | Thin-diameter anti-distortion multi-core cable |
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| CN210182094U true CN210182094U (en) | 2020-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415873A (en) * | 2019-08-16 | 2019-11-05 | 浙江元通线缆制造有限公司 | It is thinned anti-twist multicore cable and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415873A (en) * | 2019-08-16 | 2019-11-05 | 浙江元通线缆制造有限公司 | It is thinned anti-twist multicore cable and manufacturing method |
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