CN208225543U - Polyurethane tape shields robot cable - Google Patents

Abstract

The utility model discloses a polyurethane shielding robot cable, which comprises twenty-five strands of electric wires, a first tape layer, a second tape layer, a third tape layer, a tinned copper braid layer, an aluminum foil layer and a PUR outer For the covering layer, three strands of wires are twisted to form the first core wire, and the first tape layer is wrapped on the first core wire to form the first core wire group, and eight wires are twisted with the first core wire group as the center to form the second core wire group. Two-core wire, the second tape layer is wrapped on the second core wire to form the second core wire group, fourteen wires are twisted around the second core wire group to form the third core wire, the third tape The layer is wrapped on the third core wire to form the third core wire group, and the tinned copper braid layer, aluminum foil layer and PUR outer coating layer are sequentially covered on the third core wire group; the layered structure is adopted reasonably Stranded wires are twisted in layers, which is conducive to quickly distinguishing the types of wires and bringing convenience to connection and use. Moreover, the shielding effect is good, which can effectively improve the anti-radiation and anti-interference ability and reduce external interference.

Description

Polyurethane shielded robot cable

technical field

The utility model relates to the technical field of wires and cables, in particular to a polyurethane shielded robot cable.

Background technique

Although the wire and cable industry is only a supporting industry, it accounts for 1/4 of the output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing, and is closely related to various sectors of the national economy. Wires and cables are also known as the "arteries" and "nerves" of the national economy. They are indispensable basic equipment for transmitting electric energy, transmitting information, manufacturing various motors, instruments, and meters, and realizing electromagnetic energy conversion. Basic products necessary in a modernized society.

Existing commonly used robot cables usually consist of a conductive copper core and an insulating layer. As we all know, wires of this structure will generate electromagnetic radiation when they are energized, and at the same time, they will be interfered by electromagnetic waves from other electronic components, so that the normal operation of the robot is often affected by electromagnetic interference during use. That is, its anti-interference is poor, and it is easily affected by the outside world, which affects the transmission of signals. Moreover, all the wires in the existing robot cables are twisted together, so it is difficult to quickly distinguish the types of wires, which brings inconvenience to the connection and use.

Utility model content

In view of the above deficiencies, the purpose of this utility model is to provide a polyurethane tape shielded robot cable with good shielding effect, strong anti-interference and convenience for wiring.

In order to achieve the above purpose, the technical solution provided by the utility model is: a polyurethane shielded robot cable, which includes 25 strands of wires, a first tape layer, a second tape layer, a third tape layer, a plated Tin-copper braiding layer, aluminum foil layer and PUR outer covering layer, three wires are twisted to form the first core wire, the first tape layer is wrapped on the first core wire to form the first core wire group, and the eight-strand wires are in the first The core wire group is twisted at the center to form the second core wire, and the second tape layer is wrapped on the second core wire to form the second core wire group. Fourteen wires are twisted with the second core wire group as the center. A third core wire is formed, and the third tape layer is wrapped on the third core wire to form a third core wire group. The tinned copper braiding layer, the aluminum foil layer and the PUR outer layer are sequentially covered on the third core wire Group on.

As an improvement of the utility model, the electric wire includes a wire core formed by twisting a plurality of conductors and a TPE insulating layer covering the wire core.

As an improvement of the utility model, the thickness of the TPE insulating layer is 1.6-1.8 mm.

As an improvement of the utility model, the thickness of the PUR outer coating is 12.4-13 mm.

As an improvement of the utility model, the thickness of the wrapping layer is 0.3-0.4 mm.

As an improvement of the utility model, the thickness of the tinned copper braiding layer is 0.2-0.3 mm.

As an improvement of the utility model, the thickness of the aluminum foil layer is 0.1-0.2 mm. .

The beneficial effects of the utility model are as follows: the utility model has an ingenious structural design, rationally adopts a layered structure to layer and twist multi-strand wires, which is beneficial to quickly distinguishing types of wires and brings convenience to connection and use. And it has a multi-layer wrapping layer, which has better protection effect, and is covered with tinned copper braid layer, aluminum foil layer and PUR outer layer in turn at the same time, and is isolated by tinned copper braid layer and aluminum foil layer, with good shielding effect and effective Improve anti-radiation and anti-interference capabilities, reduce external interference, and facilitate widespread use.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Referring to Fig. 1, a kind of polyurethane tape shielding robot cable provided by the present embodiment includes twenty-five strands of electric wires 1, a first tape layer 2, a second tape layer 3, a third tape layer 4, tinned copper Braiding layer 5, aluminum foil layer 6 and PUR outer covering layer 7, three wires 1 are twisted to form the first core wire, the first tape layer 2 is wrapped on the first core wire to form the first core wire group, eight-strand wire 1 The second core wire is formed by twisting with the first core wire group as the center, and the second tape layer 3 is wrapped on the second core wire to form the second core wire group. The group is twisted at the center to form the third core wire, and the third tape layer 4 is wrapped on the third core wire to form the third core wire group. The tinned copper braiding layer 5, the aluminum foil layer 6 and the PUR outer coating Layer 7 is sequentially coated on the third core wire group. The first tape layer 2, the second tape layer 3 and the third tape layer 4 are provided, which not only realizes the layered structure and twists the multi-strand wires 1 layer by layer, but also helps to quickly distinguish the types of wires, bringing great benefits to the connection and use. Convenient, can also enhance the overall anti-pull performance, and can also improve the roundness of the appearance; coated with tinned copper braiding layer 5, aluminum foil layer 6 and PUR outer layer 7, through the tinned copper braiding layer 5 and aluminum foil layer 6 Isolation, good shielding effect, effectively improve anti-radiation and anti-interference ability, and reduce external interference. The PUR outer layer 7 has good oil resistance, chemical resistance and wear resistance, good toughness, tear resistance, and greatly prolongs the service life of the cable.

Specifically, the electric wire includes a wire core formed by twisting multiple conductors and a TPE insulating layer covering the wire core. The thickness of the TPE insulating layer is 1.6-1.8mm, preferably 1.7mm. The thickness of the PUR outer coating layer 7 is 12.4-13 mm, preferably 12.7 mm. The thickness of the wrapping layer is 0.3-0.4 mm, preferably 0.35 mm. The thickness of the tinned copper braiding layer 5 is 0.2-0.3 mm, preferably 0.25 mm. The thickness of the aluminum foil layer 6 is 0.1-0.2 mm, preferably 0.15 mm.

Preferably, in order to further improve the effect of wear resistance and tensile resistance, a plurality of convex lines (not shown in the figure) extending along the axial direction are provided on the outer surface of the PUR outer coating layer 7 . The convex strips can enhance the tensile performance, and when in use, the convex strips are in contact with other objects or the base surface first, so as to avoid direct contact with the PUR outer coating layer 7 and improve the service life. In addition, a grounding wire is embedded in the protrusion. Connecting one end of the grounding wire to the tinned copper braid 5 and grounding the other end can further improve the shielding effect and enhance the anti-interference ability. It is also possible to cover the outer surface of the PUR outer coating layer 7 with a fiber braided layer. The PUR outer coating layer 7 is not or less affected by various light, heat, tide, low temperature, acid and alkali gases, etc., and damage by external mechanical force, so as to ensure the safe operation of the electric cable. In order to enhance the cooperation effect between the PUR outer layer 7 and the fiber braided layer, the outer surface of the PUR outer layer 7 is covered with bumps that can be snapped into the meshes of the fiber braided layer.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. As described in the above embodiments of the utility model, wires and cables of other structures obtained by adopting the same or similar structure are all within the protection scope of the utility model.

Claims (7)

1. a kind of polyurethane tape shields robot cable, which is characterized in that it includes 25 strands of electric wires, the first belting layer, the Two belting layers, third belting layer, tinned copper braid, aluminium foil layer and PUR serving, three strands of electric wires are mutually twisted and form the first core Line, the first belting layer are coated on the first core wire, form the first core wire group, and stereotyped writing electric wire is mutually twisted centered on the first core wire group The second core wire is formed, the second belting layer is coated on the second core wire, forms the second core wire group, 14 strands of electric wires are with the second core wire group Centered on mutually be twisted form third core wire, third belting layer is coated on third core wire, formed third core wire group, the tin-coated copper Braiding layer, aluminium foil layer and PUR serving are successively coated in third core wire group.

2. polyurethane tape according to claim 1 shields robot cable, it is characterised in that: the electric wire includes by more Core made of conductor strand and the TPE insulating layer being coated on core.

3. polyurethane tape according to claim 2 shields robot cable, it is characterised in that: the thickness of the TPE insulating layer Degree is 1.6~1.8mm.

4. polyurethane tape according to claim 1 shields robot cable, it is characterised in that: the thickness of the PUR serving Degree is 12.4~13mm.

5. polyurethane tape according to claim 1 shields robot cable, it is characterised in that: the belting layer with a thickness of 0.3~0.4mm.

6. polyurethane tape according to claim 1 shields robot cable, it is characterised in that: the tinned copper braid With a thickness of 0.2~0.3mm.

7. polyurethane tape according to claim 1 shields robot cable, it is characterised in that: the aluminium foil layer with a thickness of 0.1~0.2mm.