CN221040574U - Distortion-resistant flexible cable for industrial robot - Google Patents
Distortion-resistant flexible cable for industrial robot Download PDFInfo
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- CN221040574U CN221040574U CN202320433653.3U CN202320433653U CN221040574U CN 221040574 U CN221040574 U CN 221040574U CN 202320433653 U CN202320433653 U CN 202320433653U CN 221040574 U CN221040574 U CN 221040574U
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- 239000004020 conductor Substances 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a torsion-resistant flexible cable for an industrial robot, which comprises a plurality of cables, wherein a filler is arranged at a gap between the cables, the cables and the filler form a cable core, and a shielding layer and an outer sheath are sequentially arranged on the periphery of the cable core; the cable comprises a conductor and an insulating layer wrapping the periphery of the conductor; the cable disclosed by the utility model is characterized in that a cable core is formed by a plurality of cables and fillers, the fillers are arranged between the cables, a shielding layer and an outer sheath are arranged on the periphery of the cable core, and the whole structure is simple; the conductor adopts the soft structure conductor and adopts the small pitch silk of restrainting simultaneously to guaranteed surface rounding and mechanical properties requirement, through the combination of each layer structure and material characteristic, make this cable have advantages such as high flexibility, resistant torsion, can bear voltage action for a long time and possess stable insulation resistance, be fit for industrial robot long-term stable operating's environment.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a torsion-resistant flexible cable for an industrial robot.
Background
As industrial robot technology has grown to maturity, the application of industrial robots has begun to spread rapidly. Because of the special use characteristics of robots, the contacted use environment is more and more severe, the requirements on the cables of the robots are higher and more, and the matched cable products are required to have the characteristics of high strength, high flexibility, good torsion resistance, high safety and the like. The traditional cable bending radius is large, the cable is easy to break due to poor flexibility in the bending process, a large space is needed during installation and laying, and the traditional cable can not well meet the use requirement for a robot installation scene with small installation space or needing cable to make a sharp turn.
Disclosure of utility model
The utility model provides a torsion-resistant flexible cable for an industrial robot, which is used for solving the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: the twist-resistant flexible cable for the industrial robot comprises a plurality of cables, wherein a filler is arranged at a gap between the cables, the cables and the filler form a cable core, and a shielding layer and an outer sheath are sequentially arranged on the periphery of the cable core; the cable comprises a conductor and an insulating layer wrapping the periphery of the conductor.
Preferably, the conductor is a sixth type of soft structure conductor conforming to the GB/T3956-2008 standard, and adopts a small-pitch wire-binding structure.
Preferably, the shielding layer comprises a copper-plastic composite tape wrapping shielding layer and a braided composite shielding layer, and the braided composite shielding layer is arranged between the copper-plastic composite tape wrapping shielding layer and the outer sheath.
Preferably, the braided composite shielding layer is a bare copper wire braided composite layer or a tinned copper wire braided composite layer.
Preferably, the braiding angle of the braided composite shielding layer is 40-50 °.
Preferably, the filler comprises a central rope and a plurality of peripheral ropes, and the central rope and the peripheral ropes are high-strength cotton ropes; the plurality of cables are distributed on the periphery of the central rope in a circumferential array, and the peripheral rope is arranged at a gap between the plurality of cables.
Preferably, the gap between the peripheral cord and the cable is filled with a flame retardant filler.
Preferably, the insulating layer is a thermoplastic elastomer with high softness, and the outer sheath is made of a high elastomer material.
Preferably, the insulating layer is extruded to the periphery of the conductor by adopting an extrusion die, the taper difference between the inner die and the outer die of the extrusion die is 5-15 degrees, and the extrusion temperature of the insulating layer is increased by 15-25 degrees.
Preferably, the number of the cables is five.
Compared with the prior art, the utility model has the beneficial effects that: the cable disclosed by the utility model is characterized in that a cable core is formed by a plurality of cables and fillers, the fillers are arranged between the cables, a shielding layer and an outer sheath are arranged on the periphery of the cable core, and the whole structure is simple; the conductor adopts the soft structure conductor and adopts the small pitch silk of restrainting simultaneously to guaranteed surface rounding and mechanical properties requirement, through the combination of each layer structure and material characteristic, make this cable have advantages such as high flexibility, resistant torsion, can bear voltage action for a long time and possess stable insulation resistance, be fit for industrial robot long-term stable operating's environment.
Drawings
Fig. 1 is a structural view of a torsion-resistant flexible cable for an industrial robot according to an embodiment of the present utility model;
in fig. 1, the correspondence between the names of the components and the reference numerals is:
1-outer sheath, 2-conductor, 3-insulating layer, 4-copper-plastic composite tape wrapping shielding layer, 5-braiding composite shielding layer, 6-central rope, 7-peripheral rope and 8-flame retardant filler.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the utility model provides a torsion-resistant flexible cable for an industrial robot, which comprises a plurality of cables, wherein a filler is arranged at a gap between the cables, the cables and the filler form a cable core, and a shielding layer and an outer sheath 1 are sequentially arranged on the periphery of the cable core; the cable comprises a conductor 2 and an insulating layer 3 wrapping the periphery of the conductor 2.
In the embodiment of the utility model, fillers are arranged among a plurality of cables, the cables and the fillers form a cable core, and a shielding layer and an outer sheath 1 are arranged on the periphery of the cable core; the cable is composed of a conductor 2 and an insulating layer 3, the conductor 2 is responsible for current transmission, the insulating layer 3 provides protection for the conductor 2, and in order to improve flexibility of the cable, the insulating layer 3 on the surface of the conductor 2 adopts a layer structure, and the thickness of the insulating layer is controlled within a certain range. In order to ensure the structural strength and stability of the cables, fillers are arranged between the cables, and the fillers can provide a certain support for the cables.
Preferably, the conductor 2 is a sixth type of soft structure conductor 2 conforming to the GB/T3956-2008 standard, and adopts a small-pitch wire-binding structure. In this embodiment, in order to make the structure of the cable softer, the conductor 2 adopts a sixth type of soft structure conductor 2 conforming to the GB/T3956-2008 standard, and the texture of the conductor 2 is softer, so that the final cable also has a soft characteristic, so as to facilitate bending and better trafficability in use. The conductor 2 in the embodiment is formed by adopting the small-pitch wire bundles, so that the surface of the conductor 2 is more round, and the mechanical property of the conductor can meet the use requirement of the industrial robot.
Preferably, the shielding layer comprises a copper-plastic composite tape wrapping shielding layer 4 and a braided composite shielding layer 5, and the braided composite shielding layer 5 is arranged between the copper-plastic composite tape wrapping shielding layer 4 and the outer sheath 1. In this embodiment, the shielding layer is divided into two layers, wherein one layer on the inner side is a copper-plastic composite tape wrapping shielding layer 4, and the other layer on the outer side is a woven composite shielding layer 5. The copper-plastic composite belt is formed by compounding copper foil and a polyester film, and is applied to cables with high shielding performance requirements, wherein the polyester film plays a role in reinforcing the tensile strength of the copper foil; the copper-plastic composite tape wrapping shielding layer 4 is formed by wrapping a copper-plastic composite tape on the outer surface of the cable core in a wrapping mode. The braided composite shielding layer 5 is formed by wrapping the copper plastic composite tape around the shielding layer 4 by adopting a shielding material in a braiding manner, so that the problems of oxidation cracking, shielding performance reduction, short service life and the like of the copper plastic composite tape around the shielding layer 4 can be reduced on the basis of ensuring good shielding performance, the service lives of all parts of the cable are kept consistent, and the service life requirement and the shielding performance requirement of the industrial robot on the cable are fully met.
Preferably, the braided composite shielding layer 5 is a bare copper wire braided composite layer or a tinned copper wire braided composite layer.
Preferably, the braiding angle of the braided composite shielding layer 5 is 40 to 50 °.
Preferably, the filler comprises a central rope 6 and a plurality of peripheral ropes 7, wherein the central rope 6 and the peripheral ropes 7 are high-strength cotton ropes; the plurality of cables are distributed on the periphery of the central rope 6 in a circumferential array, and the peripheral ropes 7 are arranged at gaps among the plurality of cables.
In order to ensure the flexibility of the cable, the conductor 2 and the insulating layer 3 are all arranged in a flexible structure, so that the structure of the whole cable is easily unstable. For this reason, the present embodiment employs high-strength cotton ropes as fillers to enhance the structural strength of the cable and the structural stability between the levels. In order to keep the positions of the cables relatively stable, the cotton ropes serving as fillers are divided into a central rope 6 and a peripheral rope 7, wherein the cross-sectional area of the central rope 6 is larger than that of the peripheral rope 7, the central rope 6 can keep the positions of the cables relatively stable, the peripheral rope 7 fills gaps among the cables, the adjacent cables are kept stable, and meanwhile, the high strength of the cotton ropes brings more excellent tensile resistance and better shock resistance.
Preferably, the gap between the peripheral rope 7 and the cable is filled with a flame retardant filler 8. By arranging the flame-retardant filler 8, gaps among the cable, the central rope 6 and the peripheral ropes 7 are further filled, the overall fire resistance and flame retardance of the cable are improved, and the safety of the cable is improved.
Preferably, the insulating layer 3 is a thermoplastic elastomer with high softness, and the outer sheath 1 is made of a high elastomer material. In this embodiment, the insulating layer 3 is made of a thermoplastic elastomer with high flexibility, and the outer sheath 1 is made of a high-elastomer material, so that the cable has good flexibility, so as to adapt to the performance requirements of the industrial robot on high flexibility and torsion resistance.
Preferably, the insulating layer 3 is extruded to the periphery of the conductor 2 by adopting an extrusion die, the taper difference between an inner die and an outer die of the extrusion die is 5-15 degrees, and the extrusion temperature of the insulating layer 3 is increased by 15-25 degrees. In this embodiment, the insulating layer 3 is used as a wrapping layer of the conductor 2, and its flexibility can greatly affect the flexibility of the whole cable, and this embodiment improves the production mold of the insulating layer 3, and adjusts the extrusion temperature of the insulating layer 3 at the same time, so that the thickness of the insulating layer 3 can be well controlled within a certain range, so as to avoid the excessive thickness thereof.
Preferably, the number of the cables is five.
Compared with the prior art, the utility model has the beneficial effects that: the cable disclosed by the utility model is characterized in that a cable core is formed by a plurality of cables and fillers, the fillers are arranged between the cables, a shielding layer and an outer sheath are arranged on the periphery of the cable core, and the whole structure is simple; the conductor adopts the soft structure conductor and adopts the small pitch silk of restrainting simultaneously to guaranteed surface rounding and mechanical properties requirement, through the combination of each layer structure and material characteristic, make this cable have advantages such as high flexibility, resistant torsion, can bear voltage action for a long time and possess stable insulation resistance, be fit for industrial robot long-term stable operating's environment.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The torsion-resistant flexible cable for the industrial robot is characterized by comprising a plurality of cables, wherein a filler is arranged at a gap between the cables, the cables and the filler form a cable core, and a shielding layer and an outer sheath (1) are sequentially arranged on the periphery of the cable core; the cable comprises a conductor (2) and an insulating layer (3) wrapping the periphery of the conductor;
The shielding layer comprises a copper-plastic composite belt wrapping shielding layer (4) and a braided composite shielding layer (5), and the braided composite shielding layer is arranged between the copper-plastic composite belt wrapping shielding layer and the outer sheath (1);
The braided composite shielding layer is a bare copper wire braided composite layer or a tinned copper wire braided composite layer;
The filler comprises a central rope (6) and a plurality of peripheral ropes (7), wherein the central rope and the peripheral ropes are high-strength cotton ropes; the cables are distributed on the periphery of the central rope in a circumferential array, and the peripheral rope is arranged at a gap between the cables;
The gap between the peripheral rope and the cable is filled with a flame retardant filler (8).
2. The torsion-resistant flexible cable for industrial robots according to claim 1, wherein the conductor is a sixth type of flexible structure conductor conforming to GB/T3956-2008 standard and adopts a small pitch wire harness structure.
3. The torsion-resistant flexible cable for industrial robots according to claim 1, wherein the braiding angle of the braided composite shield layer is 40-50 °.
4. The torsion-resistant flexible cable for industrial robots according to claim 1, wherein the insulating layer is a thermoplastic elastomer of high softness and the outer sheath is made of a high elastomer material.
5. The twist-resistant flexible cable for industrial robot according to claim 4, wherein the insulation layer is extruded to the periphery of the conductor by using an extrusion die, the taper difference between an inner die and an outer die of the extrusion die is 5 to 15 °, and the extrusion temperature of the insulation layer is increased by 15 to 25 ℃.
6. The torsion-resistant flexible cable for an industrial robot according to any one of claims 1 to 5, wherein the number of cables is five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433653.3U CN221040574U (en) | 2023-03-08 | 2023-03-08 | Distortion-resistant flexible cable for industrial robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433653.3U CN221040574U (en) | 2023-03-08 | 2023-03-08 | Distortion-resistant flexible cable for industrial robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040574U true CN221040574U (en) | 2024-05-28 |
Family
ID=91174690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320433653.3U Active CN221040574U (en) | 2023-03-08 | 2023-03-08 | Distortion-resistant flexible cable for industrial robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040574U (en) |
-
2023
- 2023-03-08 CN CN202320433653.3U patent/CN221040574U/en active Active
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