CN217280107U

CN217280107U - Bending-resistant and wear-resistant robot cable

Info

Publication number: CN217280107U
Application number: CN202123455153.XU
Authority: CN
Inventors: 陆新华
Original assignee: Zhejiang Jixin Cable Co Ltd
Current assignee: Zhejiang Jixin Cable Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a bending-resistant and wear-resistant robot cable, which comprises an inner protective layer, wherein a signal transmission wire core and a power wire core are arranged inside the inner protective layer, a filling layer is arranged in a gap between the signal transmission wire core, the power wire core and the inner protective layer, a filler in the filling layer is a rock wool rope, and a tensile reinforcing rib is arranged in the rock wool rope; the outer side of the inner protective layer is sequentially provided with an outer shielding layer, an outer protective layer and an outer sheath, an elastic layer is arranged between the outer protective layer and the outer sheath, the elastic layer is composed of elastic tubes, and the elastic tubes are wound on the outer side of the outer protective layer. The utility model discloses set up the elastic layer in the cable, can increase crushing resistance, the wearability of oversheath, and the elastic layer simple structure that the winding of PE elasticity pipe constitutes, the quality is light, elasticity is good, and is difficult for collapsing, the life of extension cable.

Description

Bending-resistant and wear-resistant robot cable

Technical Field

The utility model relates to a robot cable technical field, in particular to resistant wear-resisting robot cable of bending.

Background

A robotic cable is one of the automation system cables that is a complete product line designed specifically for controlling precise rates and near constant motion such as encountered by automation equipment in robotics, automated pick and place machines, automated handling systems, multi-axis machine tools, and conveyor systems.

The normal operation of the robot requires the use of cables for power supply and signal transmission, and at the same time, the robot cables need to be moved when in use. However, the flexibility of the existing robot cable is poor, so that the robot cannot well perform large-amplitude movement, and the wear resistance of the cable is also poor, which affects the service life of the cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pliability is good, long service life, can satisfy the robot and carry out the resistant wear-resisting robot cable of bending of large amplitude movement.

Therefore, the technical scheme of the utility model is that: a bending-resistant and wear-resistant robot cable comprises an inner protective layer, wherein a signal transmission wire core and a power wire core are arranged inside the inner protective layer, a filling layer is arranged in a gap between the signal transmission wire core, the power wire core and the inner protective layer, a filler in the filling layer is a rock wool rope, and a tensile reinforcing rib is arranged in the rock wool rope; the outer side of the inner protective layer is sequentially provided with an outer shielding layer, an outer protective layer and an outer sheath, an elastic layer is arranged between the outer protective layer and the outer sheath, the elastic layer is composed of elastic tubes, and the elastic tubes are wound on the outer side of the outer protective layer.

The inner protective layer is filled with rock wool ropes which play a role in supporting the inner protective layer, and the rock wool ropes also have a flame retardant effect; tensile strengthening rib in the rock wool rope can improve the tensile strength and the antitorque bent ability of cable. The elastic layer is arranged between the outer protective layer and the outer sheath, so that the pressure resistance and the wear resistance of the outer sheath can be improved, the elastic layer is formed by winding the elastic pipe, the collapse is not easy to happen, and the service life of the cable can be prolonged.

Preferably, the elastic pipe is a PE elastic pipe, and the PE elastic pipe is wound on the outer protection layer to form a multi-turn structure. The PE elastic tube is of a hollow structure, has the advantages of light weight, good elasticity, no moisture absorption, no collapse, long service life and the like, and the winding structure is more convenient for the cable to bend, the resilience of the PE elastic tube cannot be influenced in the bending process, and the flexibility and the wear resistance of the cable are ensured.

Preferably, outer shielding layer includes aluminium foil shielding layer and tinned copper wire shielding layer, and the aluminium foil shielding layer is for overlapping around the package structure, and the tinned copper wire shielding layer is woven by stranded tinned copper wire and is formed.

Preferably, the outer sheath is made of thermoplastic polyurethane rubber and is sleeved outside the elastic layer.

Preferably, the signal transmission wire core sequentially comprises an inner conductor, an inner insulating layer, an inner shielding layer and an outer insulating layer from inside to outside, the inner insulating layer is made of PE foam, the inner shielding layer is composed of an aluminum-plastic composite belt and a copper wire braided belt, and the outer insulating layer is made of insulating rubber.

Preferably, a conductive PVC shielding layer is arranged between the inner insulating layer and the inner shielding layer of the signal transmission wire core. The conductive PVC shielding layer can improve the shielding efficiency of the signal transmission wire core and ensure that the transmission signal is not influenced by external electromagnetic waves.

Preferably, the conductive wire core inside the power wire core is formed by twisting a plurality of tinned soft copper wires, and a third insulating layer is sleeved outside the conductive wire core. The third insulating layer is made by insulating rubber, can tightly wrap up the conductor core, avoids the conductor core to get into moisture and oxidation at the in-process of buckling, ensures that the conductor core has good and stable transmission quality.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the elastic layer is arranged in the cable, so that the pressure resistance and the wear resistance of the outer sheath can be improved, and the elastic layer formed by winding the PE elastic pipe is simple in structure, light in weight, good in elasticity and not easy to collapse, so that the service life of the cable is prolonged;

2) tensile reinforcing ribs are added in the filling layers between the signal transmission wire cores and the power wire cores, and the anti-torsion reinforcing cores can improve the tensile strength and the anti-torsion capability of the cable;

3) the conductive PVC shielding layer is arranged in the signal transmission wire core, so that the shielding efficiency of the signal transmission wire core can be improved, and the transmission signal is not influenced by external electromagnetic waves.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a layered structure diagram of the present invention;

FIG. 3 is a structural cross-sectional view of a signal transmission wire core;

fig. 4 is a structural cross-sectional view of the power core.

Labeled in the figure as: oversheath 1, elastic layer 2, PE elasticity pipe 21, outer protective layer 3, inner protective layer 4, signal transmission sinle silk 5, inner conductor 51, internal insulation 52, internal shield 53, external insulation 54, electrically conductive PVC shielding layer 55, power core 6, electrically conductive sinle silk 61, third insulating layer 62, filling layer 7, tensile strengthening rib 8, aluminium foil shielding layer 9, tinned copper wire shielding layer 10.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

See the drawings. The robot cable described in this embodiment, from outside to inside, is in order: oversheath 1, elastic layer 2, outer protective layer 3, outer shielding layer, interior protective layer 4, the inside signal transmission sinle silk 5 and the electric power sinle silk 6 of being equipped with of interior protective layer 4, signal transmission sinle silk 5 and electric power sinle silk 6 respectively are equipped with two sets ofly. A filling layer 7 is arranged in a gap between the signal transmission wire core 5, the power wire core 6 and the inner protective layer 4, the filling layer is formed by filling rock wool, and a tensile reinforcing rib 8 is arranged in the rock wool, so that the tensile strength and the torsional resistance of the cable can be improved; inner protective layer 4 tightly wraps up in the signal transmission sinle silk 5, 6 outsides of power sinle silk, and the rock wool rope plays the effect of supporting inner protective layer as the filler, can be so that the cable wholly keeps circular or similar circular structure, and rock wool rope itself still plays fire-retardant effect simultaneously, can prevent that the cable from catching a fire.

Outer shielding layer includes aluminium foil shielding layer 9 and tinned copper wire shielding layer 10, and aluminium foil shielding layer 9 is for overlapping around the package structure, and the aluminium foil is around the package including protective layer outside promptly, and the rate of taking the lid is 20% around the package. The tinned copper wire shielding layer 10 is formed by weaving a plurality of strands of tinned copper wires and is sleeved outside the aluminum foil shielding layer, so that the cable signals can be prevented from being interfered by signals of other instruments.

The inner protective layer 4 and the outer protective layer 3 are both made of insulating rubber materials and play a role in protecting cables. An elastic layer 2 is arranged between the outer protective layer 3 and the outer sheath 1, the elastic layer 2 comprises a PE elastic tube 21, and the PE elastic tube 21 is wound on the outer protective layer 3 to form a multi-circle structure; the PE elastic pipe is light in weight and good in elasticity, and the hollow structure of the elastic pipe can play a buffering role. The outer sheath 1 is made of thermoplastic polyurethane rubber and is sleeved outside the elastic layer 2. When the outer sheath is subjected to force friction, the friction of the outer sheath can be reduced through the depression, and the elastic layer formed by winding the outer sheath for multiple circles is more difficult to collapse, so that the service life of the cable can be prolonged.

The signal transmission wire core 5 is sequentially provided with an inner conductor 51, an inner insulating layer 52, an inner shielding layer 53 and an outer insulating layer 54 from inside to outside, the inner insulating layer 52 is made of PE materials through physical foaming, the insulating property is kept good, and therefore the stability of the electric performance and the high-frequency transmission performance of the cable is guaranteed. The inner shield layer 53 is composed of an aluminum-plastic composite tape and a copper wire braided tape, and the outer insulation layer 54 is made of an insulating rubber. A conductive PVC shielding layer 55 is provided between the inner insulating layer 52 and the inner shielding layer 53 of the signal transmission wire core 5. The conductive PVC shielding layer is arranged on the signal transmission wire core, so that the shielding efficiency of the signal transmission wire core can be improved, and the transmission signal is not influenced by external electromagnetic waves.

The inside conductive core 61 of power core 6 is formed by stranded soft copper silk hank of stranded tinning, and conductive core outside cover has third insulating layer 62, and the third insulating layer is made by insulating rubber, can tightly wrap up conductive core 61, avoids conductive core 61 to get into moisture and oxidation at the in-process of buckling, ensures conductive core 61 and has good and stable transmission quality.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a resistant wear-resisting robot cable that bends which characterized in that: the anti-theft device comprises an inner protection layer, wherein a signal transmission wire core and a power wire core are arranged in the inner protection layer, a filling layer is arranged in a gap between the signal transmission wire core, the power wire core and the inner protection layer, a filler in the filling layer is a rock wool rope, and a tensile reinforcing rib is arranged in the rock wool rope; the outer side of the inner protective layer is sequentially provided with an outer shielding layer, an outer protective layer and an outer sheath, an elastic layer is arranged between the outer protective layer and the outer sheath, the elastic layer is composed of elastic tubes, and the elastic tubes are wound on the outer side of the outer protective layer.

2. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: the elastic pipe is a PE elastic pipe, and the PE elastic pipe is wound on the outer protective layer to form a multi-circle structure.

3. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: outer shielding layer includes aluminium foil shielding layer and tinned copper wire shielding layer, and the aluminium foil shielding layer is for overlapping around the package structure, and the tinned copper wire shielding layer is woven by stranded tinned copper wire and is formed.

4. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: the outer sheath is made of thermoplastic polyurethane rubber and is sleeved outside the elastic layer.

5. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: the signal transmission cable core sequentially comprises an inner conductor, an inner insulating layer, an inner shielding layer and an outer insulating layer from inside to outside, wherein the inner insulating layer is made of PE foam, the inner shielding layer is composed of an aluminum-plastic composite tape and a copper wire braided tape, and the outer insulating layer is made of insulating rubber.

6. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: and a conductive PVC shielding layer is arranged between the inner insulating layer and the inner shielding layer of the signal transmission wire core.

7. A bend-resistant and wear-resistant robot cable as claimed in claim 1, wherein: the conductive wire core inside the power wire core is formed by twisting a plurality of tinned soft copper wires, and a third insulating layer is sleeved outside the conductive wire core.