Cable special for robot arm

By designing high-performance materials and structural layers for robot arm cables, the problem of broken cores in traditional cables on robot arms has been solved, achieving high strength, wear resistance, and electromagnetic shielding performance, ensuring the stability and reliability of signal transmission.

CN223828254UActive Publication Date: 2026-01-23SHENZHEN ANSHENG CABLE & WIRE CO LTD
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Patent Information

Application Number
CN202423206853.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-01-23
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Traditional cables cannot withstand the frequent and significant bending and twisting of robotic arms, which can easily lead to core breakage and affect the normal operation of the robot.

Method used

The structure is designed with an outer protective layer, a fiber braided layer, a shielding layer, a wrapping layer, an inner support layer, and a supporting layer. Combined with an aramid outer layer, an insulation layer, and a core conductor, high-performance materials such as polyurethane, nylon filament, tinned copper wire, polypropylene, and polytetrafluoroethylene are used to enhance mechanical strength and electromagnetic shielding performance and prevent conductor displacement and deformation.

Benefits of technology

It improves the mechanical strength, wear resistance and electromagnetic shielding performance of the cable, ensures the stability and reliability of signal transmission, avoids core breakage problems, and extends the service life of the cable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cable special for a robot arm. The cable comprises an outer protective layer; the utility model relates to an electromagnetic shielding cable, which comprises an outer protection layer, a shielding layer, a wrapping layer and an inner branch layer, and a protection assembly which is arranged at the inner side of the outer protection layer and comprises a fiber braid layer, the beneficial effects of the electromagnetic shielding cable are that through the design of the outer protection layer, the fiber braid layer, the shielding layer, the wrapping layer and the inner branch layer structure, the electromagnetic shielding cable has strong mechanical strength, wear resistance and electromagnetic shielding performance; according to the cable, the internal wire assembly is effectively protected from being damaged by the external environment and electromagnetic interference, the internal structure of the cable is effectively supported through the design of the filling core and the stable branch layer, displacement and deformation of the wire in the moving or bending process are prevented, the stability and reliability of the cable are guaranteed, and the problem of core breakage is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of cable technology, specifically to a special cable for robot arms. Background Technology

[0002] A robotic arm, also known as a mechanical arm, is a core actuator in the field of robotics. It mimics some functions of the human arm and can perform various tasks. This device is mainly designed to transport objects or manipulate tools. Its movement is controlled by a preset program or artificial intelligence system. The structure of a robotic arm typically includes a base, one or more joints, and one or more end effectors (such as grippers, suction cups, etc.). These joints give the robotic arm flexibility similar to that of a human arm, enabling it to perform a variety of complex movements such as rotation, bending, and extension in multiple planes. This highly flexible movement characteristic poses a severe challenge to the cables used in robotic arms. Traditional cables often cannot withstand such frequent and large-scale bending and twisting, and are therefore prone to core breakage. Once the cable fails, it will directly affect the normal operation of the robot. Utility Model Content

[0003] The purpose of this invention is to provide a special cable for robotic arms, in order to solve the problem mentioned in the background art that traditional cables often cannot withstand such frequent and large-scale bending and twisting, and are therefore prone to core breakage. Once the cable fails, it will directly affect the normal operation of the robot.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a special cable for robot arms, comprising:

[0005] Outer protective layer;

[0006] A protective component is placed inside the outer protective layer. The protective component includes a fiber braided layer, which is disposed inside the outer protective layer. A shielding layer is disposed inside the fiber braided layer.

[0007] The wrapping layer is located inside the shielding layer.

[0008] The inner support layer is located inside the wrapping layer.

[0009] A conductor assembly is placed between the wrapping layer and the inner support layer;

[0010] The support layer is located inside the inner support layer.

[0011] The filler core is located inside the support layer;

[0012] A stabilizing support layer is provided at equal intervals inside the supporting layer. The inner side of the stabilizing support layer is fixed to the filling core, and the outer side of the stabilizing support layer is fixed to the inner support layer.

[0013] As a preferred embodiment of the present invention: the conductor assembly includes an aramid outer layer, which is equidistantly fixed between the wrapping layer and the inner support layer. An insulating layer is fixed to the inner side of the aramid outer layer, and a core conductor is disposed on the inner side of the insulating layer.

[0014] As a preferred embodiment of this utility model: the outer protective layer is made of polyurethane material, the fiber braided layer is made of nylon filament material, the shielding layer is made of tin-plated copper wire material, and the wrapping layer is made of polypropylene material.

[0015] As a preferred embodiment of this utility model: the inner support layer and the insulating layer are both thermoplastic polyurethane materials, and the support layer is polytetrafluoroethylene material.

[0016] As a preferred embodiment of this utility model, the outer aramid layer is made of aramid fiber material.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides strong mechanical strength, wear resistance and electromagnetic shielding performance through the design of an outer protective layer, fiber braided layer, shielding layer, wrapping layer and inner support layer structure, effectively protecting the internal conductor assembly from damage from the external environment and electromagnetic interference. Through the design of the filling core and stabilizing support layer, the internal structure of the cable is effectively supported, preventing displacement and deformation of the conductor during movement or bending, ensuring the stability and reliability of the cable, and avoiding the problem of core breakage. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the aramid outer layer, insulating layer, and core conductor structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the stable support layer, the supporting layer, and the filling core structure of this utility model.

[0022] In the diagram: 1. Outer protective layer; 2. Fiber braided layer; 3. Shielding layer; 4. Wrapping layer; 5. Inner support layer; 6. Aramid outer layer; 7. Insulation layer; 8. Core conductor; 9. Stabilizing support layer; 10. Supporting layer; 11. Filler core. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 4 This utility model provides a technical solution: a special cable for robot arms, comprising: an outer protective layer 1; a protective component placed inside the outer protective layer 1, the protective component including a fiber braided layer 2, the fiber braided layer 2 being fixed to the inner side of the outer protective layer 1, and a shielding layer 3 being fixed to the inner side of the fiber braided layer 2; a wrapping layer 4 being fixed to the inner side of the shielding layer 3; an inner support layer 5 being fixed to the inner side of the wrapping layer 4; a wire assembly placed between the wrapping layer 4 and the inner support layer 5; a support layer 10 being fixed to the inside of the inner support layer 5; a filling core 11 being fixed to the inside of the support layer 10; and a stabilizing support layer 9 being fixed to the inside of the support layer 10, the inner side of the stabilizing support layer 9 being fixed to the filling core 11, and the outer side of the stabilizing support layer 9 being fixed to the inner support layer 5.

[0025] Understandably, the outer protective layer of this utility model uses polyurethane material 1, which provides excellent wear resistance and corrosion resistance. As the first line of defense for the cable, the fiber braided layer 2 is made of nylon filament material, which enhances the mechanical strength and flexibility of the cable. The shielding layer 3 uses tin-plated copper wire material, which effectively resists electromagnetic interference and protects the internal signal transmission from external influences. The wrapping layer 4 is made of polypropylene material, which further enhances the insulation performance and mechanical strength of the cable. The inner support layer 5 serves as a support structure and, together with the wrapping layer 4, provides a stable environment for the conductor assembly. Both the inner support layer 5 and the insulation layer 7 are thermoplastic polyurethane materials, which not only provide additional support but also ensure the electrical safety of the core conductor 8. The conductor assembly consists of an aramid outer layer 6 wrapping the insulation layer 7 and the core conductor 8. The aramid fiber material gives the conductor extremely high strength and wear resistance. The support layer 10 uses polytetrafluoroethylene material, which provides excellent thermal and chemical stability.

[0026] Please see Figures 1 to 4 The conductor assembly includes an aramid outer layer 6, which is fixed between the wrapping layer 4 and the inner support layer 5. An insulation layer 7 is fixed to the inner side of the aramid outer layer 6, and a core conductor 8 is disposed on the inner side of the insulation layer 7.

[0027] It is understood that the design of this utility model, which uses an aramid outer layer 6 to wrap an insulating layer 7 and a core conductor 8, significantly improves the strength and wear resistance of the wire assembly, while ensuring good electrical insulation performance, thereby ensuring the stability and reliability of signal transmission.

[0028] Please see Figures 1 to 4The outer protective layer 1 is made of polyurethane, the fiber braided layer 2 is made of nylon filament, the shielding layer 3 is made of tin-plated copper wire, and the wrapping layer 4 is made of polypropylene.

[0029] It is understood that by selecting these high-performance materials, this utility model endows the cable with excellent wear resistance, corrosion resistance, mechanical strength and electromagnetic shielding performance, effectively extending the service life of the cable and protecting the internal signals from external interference.

[0030] Please see Figures 1 to 4 The inner support layer 5 and the insulation layer 7 are both made of thermoplastic polyurethane, and the support layer 10 is made of polytetrafluoroethylene.

[0031] Understandably, this utility model provides good flexibility and support by using thermoplastic polyurethane material to make the inner support layer 5 and the insulation layer 7, while ensuring the electrical safety of the core conductor 8. Meanwhile, polytetrafluoroethylene material as the support layer 10 further enhances the thermal and chemical stability of the cable.

[0032] Please see Figures 1 to 4 The outer aramid layer 6 is made of aramid fiber material.

[0033] Understandably, by using aramid fiber material to make the aramid outer layer 6, this utility model significantly improves the strength and wear resistance of the wire assembly, enabling the cable to maintain stable performance even in harsh environments, thereby meeting the needs of high-precision and high-load applications of robotic arms.

[0034] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A robot arm dedicated cable, characterized in that, The utility model relates to a kind of cable, including: Outer protective layer (1); Protective assembly, protective assembly is placed in the inside of outer protective layer (1), the protective assembly includes fiber woven layer (2), fiber woven layer (2) is arranged in the inside of outer protective layer (1), the inside of the fiber woven layer (2) is provided with shielding layer (3); Around layer (4), around layer (4) is arranged in the inside of shielding layer (3); Inner support layer (5), inner support layer (5) is arranged in the inside of around layer (4); Conductor assembly, conductor assembly is placed between around layer (4) and inner support layer (5); Support layer (10), support layer (10) is arranged in the inside of inner support layer (5); Filler core (11), filler core (11) is arranged in the inside of support layer (10); Stable support layer (9), stable support layer (9) is equidistantly arranged in the inside of support layer (10), the inside of the stable support layer (9) is fixedly connected with filler core (11), the outside of the stable support layer (9) is fixedly connected with inner support layer (5).

2. A cable for a robot arm as claimed in claim 1, characterized in that: The conductor assembly includes aramid outer layer (6), aramid outer layer (6) is equidistantly fixedly connected between around layer (4) and inner support layer (5), the inside of the aramid outer layer (6) is fixedly connected with insulation layer (7), the inside of the insulation layer (7) is provided with core conductor (8).

3. The cable for a robot arm according to claim 1, characterized in that: The outer protective layer (1) is polyurethane material, the fiber woven layer (2) is nylon silk material, the shielding layer (3) is tinned copper wire material, the around layer (4) is polypropylene material.

4. The cable for a robot arm according to claim 1, wherein: The inner support layer (5) and insulation layer (7) are both thermoplastic polyurethane material, the support layer (10) is polytetrafluoroethylene material.

5. The cable for a robot arm according to claim 2, wherein: The aramid outer layer (6) is aramid fiber material.