CN217933214U

CN217933214U - Aramid yarn inner core woven coating type composite conductor applied to flexible robot cable

Info

Publication number: CN217933214U
Application number: CN202222069633.0U
Authority: CN
Inventors: 陈学武; 曲洪普; 乔航程; 伍娅玲
Original assignee: Henan Tong Da Cable Co ltd
Current assignee: Henan Tong Da Cable Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-29
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a be applied to aramid yarn inner core woven coating type composite conductor in flexible robot cable, includes the sheath, the sheath cladding is in the shielding layer outside, and the shielding layer cladding is in the aluminium foil outside, and the aluminium foil cladding is in the tensile cotton rope outside, and the cladding of tensile cotton rope is in the insulating layer outside, and the insulating layer cladding is in weaving the cladding conductor outside, weaves the cladding conductor cladding and is aramid yarn centre layer outside, weaves the cladding conductor and be two-way alternately woven structure. The composite structure of the cable takes the aramid yarn as a central layer, and the braided and coated conductor adopts a bidirectional cross braided structure, so that the flexibility is increased, and the cable is not easy to break when bent.

Description

Aramid yarn inner core woven coating type composite conductor applied to flexible robot cable

Technical Field

The utility model relates to a robot cable makes technical field, concretely relates to be applied to covering type composite conductor is woven to aramid yarn inner core among flexible robot cable.

Background

The flexible robot refers to a multi-axis industrial robot which is made of flexible materials and applies machine vision. With the development of high-speed data transmission and artificial intelligence technology, the application field of the industrial robot is increasingly wide. The robot cable plays an irreplaceable role as a wired transmission element of power and signals, particularly, the robot arm puts forward higher requirements on the flexibility and the bending resistance of the cable, and the robot cable relates to the comprehensive structural design of conductors, insulation, sheaths, shielding layers and the like of the cable and the reasonable selection and the adaptation of high polymer materials, so that a plurality of cable manufacturers combine respective production research and development advantages to gradually improve the cable structure and the materials, so that the robot cable has the performances of high flexibility, bending resistance and the like.

Flexibility of the robot cable is of utmost importance, especially flexibility of the conductor, while still having sufficient tensile strength and flex resistance. The existing conductor manufacturing process mostly adopts a 5-class and 6-class soft conductor structure in GB/T3956, and even a thinner single wire diameter is used for increasing the flexibility, but the conductor breaking phenomenon still often occurs after the conductor is subjected to frequent bending use of a robot arm.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to aramid yarn inner core among the flexible robot cable and weave cladding type composite conductor, improve the compliance of cable, reduce the frequency of the disconnected silk of conductor.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does: the utility model provides a be applied to aramid yarn inner core woven coating type composite conductor in flexible robot cable, includes the sheath, the sheath cladding is in the shielding layer outside, and the shielding layer cladding is in the aluminium foil outside, and the aluminium foil cladding is in the tensile cotton rope outside, and the tensile cotton rope cladding is in the insulating layer outside, and the insulating layer cladding is in weaving the cladding conductor outside, weaves the cladding conductor cladding in the aramid yarn centre layer outside, weaves the cladding conductor and is two-way alternately woven structure.

Preferably, the braided coated conductor has two or more layers.

Preferably, the material of the sheath is PVC elastic material.

Preferably, the outer circumferential surface of the sheath is provided with protrusions arranged uniformly along the longitudinal direction thereof.

Preferably, the insulating layer is made of a PVC elastic material.

Has the beneficial effects that: the cable adopts multilayer composite construction, uses aramid yarn as the centre layer, weaves the cladding conductor and adopts two-way alternately to weave the structure, has increased the pliability, should not break when crooked. The frequency of conductor broken wires is reduced, and the working efficiency of the robot arm is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art conductor structure;

fig. 2 is a schematic view of an aramid yarn inner core-coated composite conductor cable according to embodiment 2 of the present invention;

FIG. 3 is a schematic view of a woven aramid yarn core clad conductor;

fig. 4 is an expanded view of a braided covered conductor.

Reference numerals: 1. a central layer of aramid yarn; 2. an inner braided coated conductor; 3. braiding the coated conductor; 4. an insulating layer; 5. a tensile cotton rope; 6. aluminum foil; 7. a shielding layer; 8. a sheath; 801. bump, 9 conductor.

Detailed Description

In order to make the purpose and technical solution of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments.

The utility model provides a be applied to aramid yarn inner core in flexible robot cable and weave cladding type composite conductor, includes sheath 8, and the cladding of sheath 8 is in the shielding layer 7 outside, and the cladding of shielding layer 7 is in the aluminium foil 6 outside, and the cladding of aluminium foil 6 is in the tensile cotton rope 5 outside, and the cladding of tensile cotton rope 5 is in the insulating layer 4 outside, and the cladding of insulating layer 4 is in weaving cladding conductor 3 outside, weaves cladding conductor 3 cladding in the aramid yarn centre layer 1 outside, weaves cladding conductor 3 and is two-way cross-woven structure.

Example 1

The utility model provides an aramid yarn inner core woven coating type composite conductor applied to flexible robot cable, including sheath 8, sheath 8 adopts PVC elastic material to make, 8 outer walls interval arrangement of sheath are provided with arch 801, arch 801 is the cyclic annular setting, the outward surface of arch 801 is the arc, protruding setting, can play the effect of protection to the sheath, prevent the sheath wearing and tearing, sheath 8 cladding is in the 7 outsides of tinned copper matter shielding layer, shielding layer 7 plays the guard action to electromagnetic radiation, shield electromagnetic interference, ensure the normal work of robot, shielding layer 7 cladding is in the 6 outsides of aluminium foil, aluminium foil 6 has seal and shielding nature, can play the effect of anticreep, reduce the interference of extraneous signal to transmission signal, improve the shielding effect of cable, 6 cladding of aluminium foil is in the 5 outsides of tensile cotton rope, tensile cotton rope 5 can improve the tensile ability of cable, tensile cotton rope 5 cladding is in the 4 outsides of insulating layer, insulating layer 4 adopts PVC elastic material to make, be convenient for the crooked of cable; the aramid yarn has high temperature resistance and flame retardance, has very high tensile modulus, can keep inherent stability at higher temperature, is in a bidirectional cross-woven structure, and is not easy to break when being bent compared with a layer of conductor with the same diameter because the conductor in the cross-woven structure has increased flexibility.

Example 2

The utility model provides a be applied to aramid yarn inner core in flexible robot cable and weave cladding type composite conductor, as shown in fig. 2, including sheath 8, the cladding of sheath 8 is in the shielding layer 7 outside, the cladding of shielding layer 7 is in the aluminium foil 6 outside, the cladding of aluminium foil 6 is in the tensile cotton rope 5 outside, the cladding of tensile cotton rope 5 is in the insulating layer 4 outside, the cladding of insulating layer 4 is in weaving the cladding conductor 3 outside, weave the cladding conductor 2 outside including the cladding of cladding conductor 3, the cladding of interior cladding conductor 2 cladding is in aramid yarn centre layer 1 outside. The braided coated conductor 3 and the inner braided coated conductor 2 are both in a bidirectional cross braided structure.

To meet different conductor cross sections, a multilayer braided structure may be used. The example 2 has a structure having two braided coated conductors, and the example 1 has a structure having one braided coated conductor, and the illustration is omitted (the illustration is the same as that of fig. 2 of the example 2, and only one braided coated conductor structure is omitted).

Fig. 1 is a schematic diagram of a conventional conductor structure, in which monofilaments located at the center of a conductor are linear, so that stress cannot be eliminated during bending, and breakage is easily caused; and other monofilaments around the central conductor are spirally stranded around the conductor, so that the conductor has large self-stranding stress.

The utility model discloses the centre layer is aramid yarn layer structure, and aramid yarn layer structure is outer two-way alternately to weave the conductor structure. The flexibility of the conductor is improved, and meanwhile, the tensile strength and the bending resistance are also improved; the frequency of conductor wire breakage is reduced, and the working efficiency of the robot arm is improved; the high-strength aramid yarn is adopted to replace the conductor at the original position as the central layer of the conductor, so that the integral tensile strength of the conductor is improved; the outer conductor is wrapped on the aramid yarn central layer in a bidirectional cross weaving mode, and an original layered spiral stranding mode is replaced, so that the self stranding stress of the conductor is greatly reduced.

Fig. 3 is a schematic structural diagram of a braided clad conductor with a layer of the aramid yarn inner core wrapped, the aramid yarn replaces the original position of the central conductor, bending and wire breaking of the central conductor are avoided, meanwhile, the flexibility is good, the tensile strength can reach 2800MPa, and the aramid yarn plays a good role in reinforcement. The conductors on the periphery of the aramid yarns are of a bidirectional cross-woven structure, the original spiral layered stranded structure is replaced, the conductors are stressed uniformly during bending, the bending stress of the conductors is reduced, and the service life is prolonged.

Claims

1. The utility model provides a be applied to aramid yarn inner core in flexible robot cable and weave cladding type composite conductor, includes sheath (8), and sheath (8) cladding is in shielding layer (7) outside, and shielding layer (7) cladding is in aluminium foil (6) outside, and aluminium foil (6) cladding is in tensile cotton rope (5) outside, and the cladding of tensile cotton rope (5) is in insulating layer (4) outside, its characterized in that: the insulating layer (4) is coated on the outer side of the braided coating conductor (3), the braided coating conductor (3) is coated on the outer side of the aramid yarn center layer (1), and the braided coating conductor (3) is of a bidirectional crossed braided structure.

2. The aramid yarn inner core braided coated composite conductor applied to the flexible robot cable according to claim 1, characterized in that: the braided and coated conductor (3) is more than two layers.

3. The aramid yarn inner core braided coated composite conductor applied to the flexible robot cable according to claim 1, wherein the aramid yarn inner core braided coated composite conductor comprises: the sheath (8) is made of PVC elastic material.

4. The aramid yarn inner core braided coated composite conductor applied to the flexible robot cable according to claim 1 or 3, wherein the aramid yarn inner core braided coated composite conductor comprises: the outer peripheral surface of the sheath (8) is uniformly provided with bulges (801) along the longitudinal direction.

5. The aramid yarn inner core braided coated composite conductor applied to the flexible robot cable according to claim 1, characterized in that: the insulating layer (4) is made of PVC elastic material.