Torsion-resistant high-flexibility intelligent robot cable

Abstract

The utility model provides a torsion-resistant high-flexibility intelligent robot cable, which relates to the technical field of cables and comprises a cable body and a torsion-resistant jacket structure, the torsion-resistant jacket structure is arranged on the outer side of the cable body, an inner filling core layer is arranged at the center in the cable body, a plurality of groups of inner insulating layers are arranged in the inner filling core layer, and a plurality of groups of outer insulating layers are arranged in the inner insulating layers. An inner insulating layer is arranged on the outer side of the inner filling core layer, a conductor is wrapped in the inner insulating layer, an inner wrapping layer is arranged on the outer side of the inner filling core layer, an inner sealing layer is arranged on the outer side of the inner wrapping layer, a middle elastic layer is arranged on the outer side of the inner sealing layer, and an outer wrapping layer is arranged on the outer side of the middle elastic layer. The internal binding of the cable is firm, tight and reliable, the middle-layer structure of the cable is provided with a high-elasticity buffer, and the external torsion-resistant strip and torsion-resistant jacket structure prevents the internal wire bodies of the cable from being mutually worn and loosened, so that the cable can be better protected in the twisting process, the front-back extrusion damage is reduced, and the cable is higher in flexibility, torsion-resistant and durable.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and in particular to a torsion-resistant and highly flexible intelligent robot cable. Background Art

[0002] Intelligent robot cable is a cable specially used for connecting, assembling and welding robots and manipulators. It is widely used in control systems such as industrial automation and electromechanical equipment. This type of cable usually needs to have good comprehensive properties such as oil resistance, weather resistance, and low temperature resistance, and the design needs to take into account the robot's motion state, such as unidirectional or bidirectional torsion, combined bending torsion and stretching, etc.

[0003] In the prior art (Announcement No. CN204130209U), the specification of a highly flexible torsion-resistant robot cable mentions that "the outer periphery of the conductor is coated with a TPE rubber insulation layer to form an insulating core, and multiple insulating cores are twisted together to form a cable core. The gaps in the cable core are filled with non-hygroscopic core fillers to make the cable core round. The outer periphery of the cable core is wrapped with a waterproof wrapping tape, and the outer periphery of the waterproof wrapping tape is coated with a tinned copper wire braided layer, and the outer periphery of the tinned copper wire braided layer is coated with a flexible polyvinyl chloride outer sheath." However, the outer layer structure of the cable in the prior art is easily squeezed together due to twisting back and forth, resulting in certain damage during squeezing, and the exterior is not wear-resistant and flame-retardant, and is not safe and durable. Utility Model Content

[0004] In order to overcome the defects of the prior art, a torsion-resistant and highly flexible intelligent robot cable is provided to solve the problem that the outer structure of the cable in the prior art is easily squeezed together due to twisting back and forth, resulting in certain damage during squeezing, and the exterior is not wear-resistant and flame-retardant, and is not safe and durable.

[0005] To achieve the above-mentioned purpose, a torsion-resistant and highly flexible intelligent robot cable is provided, which is characterized in that: it includes a cable body and a torsion-resistant jacket structure, the outer side of the cable body is provided with a torsion-resistant jacket structure, and an inner filling core layer is provided at the center of the cable body, multiple groups of inner insulating layers are provided in the inner filling core layer, and the inner insulating layer is wrapped with a conductor, the outer side of the inner filling core layer is provided with an inner wrapping layer, and the outer side of the inner wrapping layer is provided with an inner sealing layer, the outer side of the inner sealing layer is provided with a medium elastic layer, and the outer side of the medium elastic layer is provided with an outer wrapping layer.

[0006] Furthermore, seven groups of inner insulating layers are arranged in the inner filling core layer, one group of inner insulating layers is located in the center of the inner filling core layer, and six groups of inner insulating layers are arranged in a ring outside the central group of inner filling core layers, and the inner insulating layers are made of cross-linked polyethylene.

[0007] Furthermore, the inner wrapping layer is made of nitrile rubber, and an inner groove is arranged on the outer annular surface of the inner wrapping layer.

[0008] Furthermore, the inner sealing layer is made of fluororubber, and a protrusion is provided on the inner side surface of the inner sealing layer, and the protrusion is embedded in the inner groove.

[0009] Furthermore, the middle elastic layer is made of EPDM rubber, and the outer wrapping layer is made of aluminum-plastic composite tape.

[0010] Furthermore, a gap is provided on the outer side of the outer wrapping layer, and a plurality of groups of anti-torsion strips are provided in the gap. The anti-torsion strips are made of silicone rubber, and the plurality of groups of anti-torsion strips are arranged on the outer annular surface of the outer wrapping layer.

[0011] Furthermore, an outer ring is provided on the outer side of the torsion-resistant jacket structure, and an inner ring is provided on the inner side of the torsion-resistant jacket structure, and an outer recess is provided between the two adjacent groups of outer rings, and a jacket hole is provided in the torsion-resistant jacket structure, and the torsion-resistant jacket structure is made of polyvinyl chloride.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model has seven groups of inner insulating layers, one group of inner insulating layers is located in the center of the inner filling core layer, six groups of inner insulating layers are arranged in a ring around the center and one group of inner filling core layers is arranged outside, and the arrangement organization is safer and more stable.

[0014] 2. The arrangement of the inner wrapping layer and the inner sealing layer in the utility model is to tightly bundle the inner structure of the inner filling core layer, and also to tightly prevent leakage, and the arrangement is firm and stable.

[0015] 3. The setting of the middle elastic layer in the utility model has a certain elastic buffering effect, which can not only better protect the internal structure of the cable, but also resist falling and shaking. The multiple groups of anti-torsion strips arranged around the outer wrapping layer have an anti-torsion effect, so that whether the cable is twisted to the left or to the right, it will reduce dents or bulges, and is more resistant to torsion and flexible.

[0016] 4. The torsion-resistant outer sleeve structure in the utility model is placed outside the gap, not only to provide comprehensive protection for the torsion strip, but also to allow an outer notch to appear between the outer sleeve and the inner sleeve when the cable is twisted, so as to avoid mutual compression between the front and rear parts of the cable and cause wear, making it more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the structure arrangement between the inner sealing layer and the inner wrapping layer in an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the arrangement of the anti-torsion strip on the outer side of the outer wrapping layer of an embodiment of the utility model;

[0020] Figure 4 It is a schematic cross-sectional view of the torsion-resistant outer jacket structure of an embodiment of the utility model.

[0021] In the figure: 1. cable body; 10. inner filling core layer; 11. inner insulating layer; 12. conductor; 13. inner wrapping layer; 130. inner groove; 14. inner sealing layer; 140. protrusion; 15. middle elastic layer; 16. outer wrapping layer; 17. anti-torsion strip; 18. gap; 2. torsion-resistant jacket structure; 20. outer ring; 21. inner ring; 22. outer notch; 23. jacket hole. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0023] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0024] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 2 This is a schematic diagram of the structure arrangement between the inner sealing layer and the inner wrapping layer of an embodiment of the utility model. Figure 3 Schematic diagram of the arrangement of the anti-torsion strip on the outer side of the outer wrapping layer of the embodiment of the utility model and Figure 4 It is a schematic cross-sectional view of the torsion-resistant outer jacket structure of an embodiment of the utility model.

[0025] Reference Figures 1 to 4As shown, the utility model provides a torsion-resistant and highly flexible intelligent robot cable, including a cable body 1 and a torsion-resistant jacket structure 2, the torsion-resistant jacket structure 2 is arranged on the outer side of the cable body 1, and an inner filling core layer 10 is arranged at the center of the cable body 1, a plurality of groups of inner insulating layers 11 are arranged in the inner filling core layer 10, and a conductor 12 is wrapped in the inner insulating layer 11, an inner wrapping layer 13 is arranged on the outer side of the inner filling core layer 10, and an inner sealing layer 14 is arranged on the outer side of the inner wrapping layer 13, a middle elastic layer 15 is arranged on the outer side of the inner sealing layer 14, and an outer wrapping layer 16 is arranged on the outer side of the middle elastic layer 15.

[0026] In this embodiment, seven groups of inner insulating layers 11 are arranged in the inner filling core layer 10, one group of inner insulating layers 11 is located in the center of the inner filling core layer 10, and six groups of inner insulating layers 11 are arranged on the outside of the central group of inner filling core layer 10, and the inner insulating layer 11 is made of cross-linked polyethylene.

[0027] As a preferred embodiment, the seven groups of inner insulating layers 11 of the utility model show that one group of inner insulating layers 11 is located in the center of the inner filling core layer 10, and six groups of inner insulating layers 11 are arranged in a ring around the outside of the group of inner filling core layer 10 in the center, and the arrangement organization is safer and more stable.

[0028] In this embodiment, the inner wrapping layer 13 is made of nitrile rubber, and an inner groove 130 is provided on the outer ring surface of the inner wrapping layer 13; the inner sealing layer 14 is made of fluororubber, and a protrusion 140 is provided on the inner side surface of the inner sealing layer 14, and the protrusion 140 is embedded in the inner groove 130.

[0029] As a preferred embodiment, the inner wrapping layer 13 and the inner sealing layer 14 in the utility model are provided to tightly bundle the inner structure of the inner filling core layer 10, and also to tightly prevent leakage, and the arrangement is firm and stable.

[0030] In this embodiment, the middle elastic layer 15 is made of EPDM rubber, and the outer wrapping layer 16 is made of aluminum-plastic composite belt material; a gap 18 is provided on the outer side of the outer wrapping layer 16, and a plurality of groups of anti-torsion strips 17 are provided in the gap 18, the anti-torsion strips 17 are made of silicone rubber, and the plurality of groups of anti-torsion strips 17 are arranged on the outer ring surface of the outer wrapping layer 16.

[0031] As a preferred embodiment, the setting of the middle elastic layer 15 in the utility model plays a certain elastic buffering effect, which can not only better protect the internal structure of the cable, but also resist falling and shaking. The multiple groups of anti-torsion strips 17 arranged around the outer wrapping layer 16 play an anti-torsion effect, so that whether the cable is twisted to the left or to the right, it will reduce depression or bulging, and is more resistant to torsion and flexible.

[0032] In this embodiment, an outer ring 20 is provided on the outer side of the torsion-resistant jacket structure 2, and an inner ring 21 is provided on the inner side of the torsion-resistant jacket structure 2, and an outer recess 22 is provided between the two adjacent groups of outer rings 20, and a sleeve hole 23 is opened in the torsion-resistant jacket structure 2, and the torsion-resistant jacket structure 2 is made of polyvinyl chloride.

[0033] As a preferred embodiment, the torsion-resistant jacket structure 2 in the utility model is arranged outside the gap 18, not only to provide comprehensive protection for the anti-twist strip 17, but also to allow an outer notch 22 to appear between the outer ring 20 and the inner ring 21 when the cable is twisted, so as to prevent the front and rear parts of the cable from being squeezed against each other and causing wear, thereby making it more durable.

[0034] The utility model can effectively solve the problems in the prior art that the outer structure of the cable is easily squeezed together due to the forward and backward twisting, resulting in certain damage during squeezing, and the exterior is not wear-resistant and flame-retardant, and is not safe and durable. The internal binding of the cable of the utility model is solid, tight and reliable, and the middle layer structure of the cable is provided with a high-elastic buffer. The external anti-torsion strips and the torsion-resistant jacket structure are provided to prevent the internal wires of the cable from wearing loose against each other, which can better protect the cable during the twisting process, reduce the damage caused by forward and backward squeezing, and make it more flexible, torsion-resistant and durable.

[0035] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A torsion-resistant and highly flexible intelligent robot cable, characterized in that: The invention comprises a cable body (1) and a torsion-resistant jacket structure (2), wherein the outer side of the cable body (1) is provided with the torsion-resistant jacket structure (2), and an inner filling core layer (10) is provided at the center of the cable body (1), a plurality of groups of inner insulating layers (11) are provided in the inner filling core layer (10), and a conductor (12) is wrapped in the inner insulating layer (11), an inner wrapping layer (13) is provided on the outer side of the inner filling core layer (10), and an inner sealing layer (14) is provided on the outer side of the inner wrapping layer (13), a middle elastic layer (15) is provided on the outer side of the inner sealing layer (14), and an outer wrapping layer (16) is provided on the outer side of the middle elastic layer (15).

2. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: Seven groups of inner insulating layers (11) are arranged in the inner filling core layer (10), one group of inner insulating layers (11) is located at the center of the inner filling core layer (10), and six groups of inner insulating layers (11) are arranged in a ring outside the center group of inner filling core layers (10), and the inner insulating layers (11) are made of cross-linked polyethylene.

3. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: The inner wrapping layer (13) is made of nitrile rubber, and an inner groove (130) is provided on the outer annular surface of the inner wrapping layer (13).

4. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: The inner sealing layer (14) is made of fluororubber, and a protrusion (140) is provided on the inner side surface of the inner sealing layer (14), and the protrusion (140) is embedded in the inner groove (130).

5. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: The middle elastic layer (15) is made of EPDM rubber, and the outer wrapping layer (16) is made of aluminum-plastic composite tape.

6. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: A gap (18) is provided on the outside of the outer wrapping layer (16), and a plurality of groups of anti-torsion strips (17) are provided in the gap (18). The anti-torsion strips (17) are made of silicone rubber, and the plurality of groups of anti-torsion strips (17) are arranged on the outer annular surface of the outer wrapping layer (16).

7. The torsion-resistant and highly flexible intelligent robot cable according to claim 1, characterized in that: An outer sleeve (20) is arranged on the outer side of the torsion-resistant outer sleeve structure (2), and an inner sleeve (21) is arranged on the inner side of the torsion-resistant outer sleeve structure (2). An outer recess (22) is arranged between two adjacent groups of outer sleeves (20) in the front and rear directions, and a sleeve hole (23) is provided in the torsion-resistant outer sleeve structure (2). The torsion-resistant outer sleeve structure (2) is made of polyvinyl chloride.

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