CN213935684U

CN213935684U - Cable for robot

Info

Publication number: CN213935684U
Application number: CN202022557355.4U
Authority: CN
Inventors: 鲍继强
Original assignee: GUANGDONG RIFENG ELECTRIC CABLE CO Ltd
Current assignee: GUANGDONG RIFENG ELECTRIC CABLE CO Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-10
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a cable for robot, including protective layer, supporting framework and multiunit sinle silk, the protective layer parcel is in the supporting framework is peripheral, be provided with middle cavity in the supporting framework, be provided with a plurality of elastic spacers on the supporting framework, one side of elastic spacer with the inside wall of supporting framework is connected, the opposite side and the other at least one of elastic spacer the elastic spacer butt in order to incite somebody to action a plurality of appearance chambeies are separated into to middle cavity, and every is equipped with a set ofly at least in holding the chamber the sinle silk. Elastic deformation can take place for the elastic separation member that sets up at the inboard elastic separation member of support skeleton, and elastic separation member produces elasticity rather than rigid stress after the cable interact when buckling, and elastic separation member also can not be because of the wearing and tearing of elasticity effect damage, when guaranteeing the normal work of robot, has reduced the maintenance cost of robot.

Description

Cable for robot

Technical Field

The utility model relates to a cable field, in particular to cable for robot.

Background

With the continuous development of modern industry, robots are beginning to be widely applied to industrial production. In the industrial production process, a lot of high-intensity and high-difficulty work can be completed by a robot. These robots typically move with a large range of motion during operation and typically continue to operate for long periods of time, thus resulting in large movements of the cables of the robot for long periods of time.

The inner side of the bracket of the cable for the robot with the common bracket is generally provided with a cavity, and a plurality of isolating pieces are fixedly connected with the bracket to divide the cavity into a plurality of parts for placing wire cores. When the cable is bent, the spacers can be subjected to rigid stress due to interaction among the spacers, the spacers are easy to wear and damage due to the fixed and immovable property of the spacers under the action of the rigid stress, the service life of the cable is shortened, the maintenance cost of the robot is increased, and the negative influences are not beneficial to the development of the robot on industrial production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cable for robot sets up and can take place elastic deformation at the inboard elastic separation member of support chassis, and elastic separation member produces elasticity rather than rigid stress after the cable is buckled the time interact, and elastic separation member also can not damage because of the elastic action wearing and tearing, when guaranteeing the normal work of robot, has reduced the maintenance cost of robot.

According to the utility model discloses a cable for robot, including protective layer, supporting framework and multiunit sinle silk, the protective layer parcel is in the supporting framework is peripheral, be provided with middle cavity in the supporting framework, be provided with a plurality of elastic spacers on the supporting framework, one side of elastic spacer with supporting framework's inside wall is connected, the opposite side and the other at least one of elastic spacer the elastic spacer butt in order to incite somebody to action a plurality of appearance chambeies are separated into to middle cavity, and every holds and is equipped with a set ofly at least in the chamber the sinle silk.

According to the utility model discloses cable for robot has following beneficial effect at least:

the utility model relates to a cable for robot, when the cable was buckled and is supported the skeleton atress, elastic deformation can take place for the setting at the inboard elastic separation piece of support skeleton. The elastic force of the interaction between the elastic isolation parts can not damage the structure of the elastic isolation parts, and the situation that the elastic isolation parts are worn, damaged and need to be replaced can not occur. In addition, the protective layer plays a role in protecting the supporting framework and the wire core, so that the maintenance cost of the robot is reduced while the normal work of the robot is guaranteed.

According to some embodiments of the utility model, still be provided with a plurality of elastic bulge pieces on the lateral wall of supporting framework, elastic bulge piece's opposite side with the inside wall butt of protective layer.

According to some embodiments of the present invention, the protective layer comprises in order from outside to inside: oversheath, shielding layer, buffer layer and puigging.

According to some embodiments of the invention, the conductor comprises a conductor and an insulating layer, the insulating layer wrapping the outer surface of the conductor.

According to some embodiments of the invention, the conductor comprises a stranded bare copper wire, and the insulating layer is made of a thermoplastic polyester elastomer.

According to some embodiments of the utility model, the appearance intracavity is filled with aramid yarn.

According to some embodiments of the invention, the sound insulation layer is a layer of slag wool.

According to some embodiments of the utility model, including the first buffer sleeve and the second buffer sleeve that establish each other cover in the buffer layer, be provided with a plurality of elastic bellying on the first buffer sleeve lateral wall, be provided with a plurality of depressed parts on the second buffer sleeve lateral wall, the bellying sets up in the depressed part.

According to some embodiments of the invention, the shielding layer comprises at least one layer of double-sided aluminium-plastic composite tape.

According to some embodiments of the invention, the outer sheath is made of polyvinyl chloride.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a cable for a robot according to the present invention;

fig. 2 is a cross-sectional structural view of the buffer layer.

Reference numerals:

the cable comprises a protective layer 100, an outer sheath 110, a shielding layer 120, a buffer layer 130, a first buffer sleeve 131, a second buffer sleeve 132, a convex part 133, a concave part 134, an acoustic insulation layer 140, a support framework 200, an elastic isolating part 210, an elastic protruding part 220, a cable core 300, a conductor 310 and an insulating layer 320.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the designated sandbag or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1, according to the utility model discloses a cable for robot, including protective layer 100, supporting framework 200 and multiunit sinle silk 300, protective layer 100 wraps up supporting framework 200 is peripheral, be provided with middle cavity in the supporting framework 200, be provided with a plurality of elastic spacers 210 on the supporting framework 200, one side of elastic spacers 210 with the inside wall of supporting framework 200 is connected, the opposite side and the other at least one of elastic spacers 210 butt is in order to incite somebody to action a plurality of appearance chambeies are separated into to middle cavity, are equipped with a set ofly at least in every appearance chamber sinle silk 300.

Specifically, the number of the wire cores 300 is at least 3, and in an embodiment of the present invention, the number of the wire cores 300 is 3, and the wire cores are uniformly distributed in the supporting frame 200.

In addition, in an embodiment of the present invention, the number of the elastic separation members 210 is three, and two elastic separation members are abutted against each other, and when the supporting frame 200 is stressed, each of the elastic separation members 210 is stressed by three forces, which are respectively from the supporting frame 200 and the other two elastic separation members 210, and then elastically deformed to convert the energy of resultant force applied to itself into elastic potential energy, so as to reduce the pressure transmitted to the wire core 300, and prevent the wire core 300 from being damaged due to stress.

In some embodiments of the present invention, a plurality of elastic protrusions 220 are further disposed on the outer sidewall of the supporting frame 200, and the other side of the elastic protrusions 220 abuts against the inner sidewall of the protecting layer 100.

Specifically, in an embodiment of the present invention, the number of the elastic protrusions 220 is eight, and the elastic protrusions 220 are annularly distributed outside the supporting frame 200 and elastically deform when being stressed, and the elastic protrusions 220 have an arc-shaped profile, so that when pressure is transmitted from the protective layer 100 to the supporting frame 200, the pressure can be reduced by the elastic protrusions 220.

In some embodiments of the present invention, the protection layer 100 comprises, from outside to inside: outer jacket 110, shield layer 120, buffer layer 130, and acoustical layer 140.

In particular, an inner sheath and a steel strip may be added to the protective layer 100 according to the actual application requirement.

In some embodiments of the present invention, the wire core 300 includes a conductor 310 and an insulating layer 320, and the insulating layer 320 is wrapped on the outer surface of the conductor 310.

Specifically, the insulating layer 320 can prevent the conductor 310 from leaking electricity and the conductor 310 in different wire cores 300 from being electrically connected accidentally.

In some embodiments of the present invention, the conductor 310 comprises a stranded bare copper wire, and the insulating layer 320 is made of a thermoplastic polyester elastomer.

Specifically, 250D nylon wires can be added into the conductor structure of the conductor 310 according to actual requirements, and the diameter of the conductor 310 is 0.42 ± 0.03mm, which has the function of transmitting commands and signals to the robot and receiving signals fed back by the robot.

Moreover, in the same cable for robot, the insulation layers in different cores 300 may be different colors, so as to distinguish different cores 300 in the same cable. In one embodiment of the present invention, the insulating layer 320 is made of ten different colors, i.e. brown, black, gray, white, red, yellow, blue, orange, purple, and pink, so as to distinguish ten different cores 300.

In some embodiments of the present invention, the cavity is filled with aramid yarn.

Specifically, aramid yarn density is little, and breaking strength is high, has stable chemical property, can promote whole cable's tensile ability, is in moreover the appearance intracavity packing aramid yarn can not additionally increase the cable volume for whole cable structure is compacter.

In some embodiments of the present invention, the sound insulation layer 140 is a slag wool layer.

Specifically, the slag wool is a porous sound-absorbing material which has a plurality of tiny gaps, and when sound waves are incident on the surface of the material, the vibration generated by the sound waves enables air in holes or between the gaps to move and rub against the walls of the holes, so that a part of the energy of the sound waves is converted into heat energy, and then the sound is attenuated. Therefore, the noise insulation layer 140 can reduce noise generated when the cable is bent or extruded, so as to optimize the working environment and greatly reduce adverse effects of the noise on the body of the worker in the working environment.

In some embodiments of the present invention, the buffer layer 130 includes a first buffer sleeve 131 and a second buffer sleeve 132 which are sleeved with each other, the sidewall of the first buffer sleeve 131 is provided with a plurality of elastic protrusions 133, the sidewall of the second buffer sleeve 132 is provided with a plurality of recesses 134, and the protrusions 133 are disposed in the recesses 134.

Specifically, in one embodiment of the present invention, as shown in fig. 2, the shape of the protruding portion 133 may be trapezoidal, or may be other shapes such as triangle, rectangle, etc., a buffering gap may be provided between the first buffer sleeve and the second buffer sleeve, a buffering material may be filled in the buffering gap, when the buffer layer 130 is stressed, the first buffer sleeve 131 and the second buffer sleeve 132 move to the buffering gap without dislocation, the protruding portion 133 of the first buffer sleeve 131 may abut against the recessed portion 134 of the second buffer sleeve 132, and the force exerted on the buffer layer 130 may be greatly attenuated after the interaction between the first buffer sleeve 131 and the second buffer sleeve 132.

In some embodiments of the present invention, the shielding layer 120 comprises at least one double-sided aluminum-plastic composite tape.

In particular, the aluminum-plastic composite tape has a smooth appearance, is corrosion resistant, is inexpensive to produce, and is suitable for use as a shielding material. The shielding layer 120 can not only prevent the conductor 310 from generating partial discharge due to the unsmooth surface of the conductor 310 and the air gap generated by twisting the wire cores 300, but also reduce the interference of the electromagnetic field outside the cable on the signal transmission inside the cable, and maintain the normal transmission efficiency of the cable.

In some embodiments of the present invention, the outer sheath 110 is made of polyvinyl chloride.

Specifically, the outer sheath 110 has an average thickness of 0.65mm, and the outer sheath 110 can maintain at least 70% of retention of tensile strength and at least 65% of retention of elongation after aging test at a test ambient temperature of 113 ± 2 ℃ for 168 hours.

In some embodiments of the utility model, the utility model discloses the cable for the robot satisfies FT2 fire-retardant requirement and REACH environmental protection requirement, and its cable radius of buckling is 6 times cable diameter moreover.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The cable for the robot is characterized by comprising a protective layer (100), a supporting framework (200) and a plurality of groups of wire cores (300), wherein the protective layer (100) is wrapped on the periphery of the supporting framework (200), a middle cavity is arranged in the supporting framework (200), a plurality of elastic isolating pieces (210) are arranged on the supporting framework (200), one side of each elastic isolating piece (210) is connected with the inner side wall of the supporting framework (200), the other side of each elastic isolating piece (210) is abutted against at least one elastic isolating piece (210) to divide the middle cavity into a plurality of accommodating cavities, and at least one group of wire cores (300) is arranged in each accommodating cavity.

2. The cable for a robot as set forth in claim 1, wherein: the outer side wall of the supporting framework (200) is further provided with a plurality of elastic protruding pieces (220), and the other sides of the elastic protruding pieces (220) are abutted to the inner side wall of the protective layer (100).

3. The cable for a robot as set forth in claim 1, wherein: the protective layer (100) comprises from outside to inside in sequence: an outer jacket (110), a shielding layer (120), a buffer layer (130), and a sound insulation layer (140).

4. The cable for a robot as set forth in claim 1, wherein: the wire core (300) comprises a conductor (310) and an insulating layer (320), wherein the insulating layer (320) wraps the outer surface of the conductor (310).

5. The cable for a robot as set forth in claim 4, wherein: the conductor (310) comprises stranded bare copper wires, and the insulating layer (320) is made of thermoplastic polyester elastomer.

6. The cable for a robot as set forth in claim 1, wherein: and aramid yarn is filled in the accommodating cavity.

7. A cable for a robot according to claim 3, wherein: the sound insulation layer (140) is a slag wool layer.

8. A cable for a robot according to claim 3, wherein: including first buffer sleeve (131) and second buffer sleeve (132) that overlap each other and establish in buffer layer (130), be provided with a plurality of elastic bellying (133) on first buffer sleeve (131) lateral wall, be provided with a plurality of depressed parts (134) on second buffer sleeve (132) lateral wall, bellying (133) set up in depressed part (134).

9. A cable for a robot according to claim 3, wherein: the shielding layer (120) comprises at least one double-sided aluminum-plastic composite belt.

10. A cable for a robot according to claim 3, wherein: the outer sheath (110) is made of polyvinyl chloride.