Video connecting line for high-airtightness and high-transmission robot

Abstract

The utility model relates to a high-airtightness high-transmission video connecting line for a robot, and the connecting part of a male head and a line body is sleeved with a first metal woven mesh layer, and the rear end of the first metal woven mesh layer is turned forwards and pressed against the inner wall surface of a first metal shielding cover in a riveting manner; a second metal woven mesh layer sleeves the joint of the female head and the wire body, the front end of the second metal woven mesh layer is turned backwards and pressed against the inner wall surface of a second metal shielding cover in a riveting manner, and a second inner mold is integrally formed at the joint of the second metal shielding cover and the wire body in an injection molding manner; a first outer mold is integrally formed at the joint of the second inner mold and the female head through injection molding; the wire body comprises a cable core, and an aluminum foil shielding layer, a braid layer and a first outer coating layer which are sequentially positioned at the periphery of the cable core; external signal interference is prevented, the aluminum foil shielding layer and the braid layer are matched in the wire body, signals are further prevented from being interfered, and transmission stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of a video connection line for a robot, in particular to a video connection line for a robot with high air tightness and high transmission performance. Background Art

[0002] 2013 was the first year of the development of industrial robots in my country. In that year, the domestic sales of industrial robots reached 36,900 units, a year-on-year increase of 36.52%, and the purchase volume accounted for one-fifth of the global industrial robot sales. In 2014, the sales of industrial robots exceeded 57,000 units, a year-on-year increase of more than 54%, continuing the rapid development trend.

[0003] The existing video cables for robots belong to the field of high-end equipment manufacturing, and 70% of robot failures come from cables. The existing video cables for robots have poor resistance to low temperatures, oils, hydrolysis, interference, and acid and alkali.

[0004] Therefore, in the utility model patent application, the applicant carefully studied an automatic iron column assembly device to solve the above problems. Utility Model Content

[0005] The utility model aims to overcome the deficiencies in the above-mentioned prior art, and its main purpose is to provide a high-airtightness and high-transmission video connection cable for robots, which prevents external signal interference and uses an aluminum foil shielding layer and a braided layer inside the line body to further ensure that the signal is not interfered with and ensure the stability of transmission.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A high-airtightness and high-transmission video connection cable for robots, comprising a wire body and a male head and a female head respectively located at the front and rear ends of the wire body;

[0008] A first metal braided mesh layer is sleeved at the connection between the male connector and the wire body, a first metal shielding cover is sleeved on the periphery of the first metal braided mesh layer, the rear end of the first metal braided mesh layer is turned forward and pressed against the inner wall surface of the first metal shielding cover by riveting, a first inner mold is integrally injection-molded at the connection between the first metal shielding cover and the wire body, and a first outer mold is integrally injection-molded at the connection between the first inner mold and the male connector;

[0009] A second metal braided mesh layer is sleeved at the connection between the female connector and the wire body, a second metal shielding cover is sleeved on the outer periphery of the second metal braided mesh layer, the front end of the second metal braided mesh layer is turned back and pressed against the inner wall surface of the second metal shielding cover by riveting, a second inner mold is integrally injection-molded at the connection between the second metal shielding cover and the wire body, and a first outer mold is integrally injection-molded at the connection between the second inner mold and the female connector;

[0010] The cable body comprises a cable core and an aluminum foil shielding layer, a braided layer and a first outer layer which are sequentially located on the periphery of the cable core;

[0011] The cable core includes a coaxial core and three electronic wire cores located outside the coaxial core;

[0012] The coaxial core comprises a coaxial conductor and an insulating layer, a shielding layer and a second outer layer which are sequentially coated on the periphery of the coaxial conductor.

[0013] As a preferred solution, the first inner mold and the second inner mold are both made of LDPE material.

[0014] As a preferred solution, both the first outer mold and the second outer mold are made of PUR material.

[0015] As a preferred solution, the coaxial conductor includes a plurality of round annealed copper wires.

[0016] As a preferred solution, the insulating layer is made of HDPE insulating material.

[0017] As a preferred solution, the shielding layer is formed by wrapping a tinned copper wire around an insulating layer.

[0018] As a preferred solution, the first outer layer and the second outer layer are both made of PUR material.

[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, the main structure of the utility model is that the plug-in end and the wire body are tightly fitted by riveting the corresponding metal braided mesh layer and the metal shielding cover to prevent external signal interference, and the aluminum foil shielding layer and the braided layer inside the wire body are used to further ensure that the signal is not interfered and the stability of transmission is ensured;

[0020] Secondly, both the male and female connectors adopt an outer mold made of PUR, which makes the male or female connector have excellent mechanical properties, and is resistant to low temperature, oil, hydrolysis, acid and alkali, extending the service life of the male and female connectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of a wire body of an embodiment of the utility model.

[0023] Description of Figure Numbers:

[0024] 10. Male

[0025] 11. The first metal shield

[0026] 12. First inner mold 13. First outer mold

[0027] 20. Female connector

[0028] 21. Second metal shield 22. Second inner mold

[0029] 23. Second external model

[0030] 30. Line

[0031] 31. Coaxial core

[0032] 311, coaxial conductor 312, insulation layer

[0033] 313, shielding layer 314, second outer layer

[0034] 32. Electronic wire core

[0035] 33. Aluminum foil shielding layer

[0036] 34. Braided layer 35. First outer layer. DETAILED DESCRIPTION

[0037] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0038] like Figure 1 and Figure 2 As shown, a high-airtightness and high-transmission video connection cable for robots includes a wire body 30 and a male connector 10 and a female connector 20 respectively located at both ends of the wire body 30;

[0039] The connection between the male connector 10 and the wire body 30 is sleeved with a first metal braided mesh layer, and a first metal shielding cover 11 is sleeved on the periphery of the first metal braided mesh layer. The rear end of the first metal braided mesh layer is turned forward and pressed against the inner wall surface of the first metal shielding cover 11 by riveting. The connection between the first metal shielding cover 11 and the wire body is integrally injection molded with a first inner mold 12, and preferably, the first inner mold 12 is made of LDPE material. The connection between the first inner mold 12 and the male connector 10 is integrally injection molded with a first outer mold 13; the first outer mold 13 is made of PUR material.

[0040] A second metal braided mesh layer is sleeved at the connection between the female connector 20 and the wire body 30, and a second metal shielding cover 21 is sleeved on the outer periphery of the second metal braided mesh layer. The front end of the second metal braided mesh layer is turned back and pressed against the inner wall surface of the second metal shielding cover 21 by riveting. The connection between the second metal shielding cover 21 and the wire body 30 is integrally injection-molded with a second inner mold 22. Preferably, the second inner mold 22 is made of LDPE material.

[0041] The connection between the second inner mold 22 and the female connector 20 is integrally injection molded with a first outer mold 23 ; optionally, the second outer mold 23 is made of PUR material.

[0042] The connection between the second inner mold 22 and the male head 10 is integrally injection molded with a second outer mold 23;

[0043] The cable body 30 includes a cable core and an aluminum foil shielding layer 33, a braided layer 34 and a first outer layer 34 which are sequentially located on the outer periphery of the cable core;

[0044] The cable core includes a coaxial core 31 and three electronic wire cores 32 located outside the coaxial core 31;

[0045] The coaxial core 31 includes a coaxial conductor 311 and an insulating layer 312, a shielding layer 313 and a second outer layer 314 which are sequentially coated on the outer periphery of the coaxial conductor 311. The coaxial conductor 311 includes a plurality of round annealed copper wires with high conductivity. The insulating layer 312 is made of HDPE insulating material with low dielectric constant and dielectric loss angle to ensure that the signal is not interfered.

[0046] The shielding layer 313 is formed by wrapping the insulating layer 312 with tinned copper wire with high conductivity. The first outer layer 34 and the second outer layer 314 are both made of PUR material. PUR material has excellent mechanical properties, and is resistant to low temperature, oil, hydrolysis, acid and alkali, and can meet the harsh environment of machine tool automation.

[0047] The key points of the utility model are: the main structure design is that the plug-in end and the wire body are tightly fitted by riveting the corresponding metal braided mesh layer and the metal shielding cover to prevent external signal interference, and the aluminum foil shielding layer and the braided layer inside the wire body are used to further ensure that the signal is not interfered with and ensure the stability of transmission;

[0048] Secondly, both the male and female connectors adopt an outer mold made of PUR, which makes the male or female connector have excellent mechanical properties, and is resistant to low temperature, oil, hydrolysis, acid and alkali, extending the service life of the male and female connectors.

[0049] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A high-airtight and high-transmission video cable for robots, characterized in that: It includes a wire body and a male connector and a female connector respectively located at the front and rear ends of the wire body; A first metal braided mesh layer is sleeved at the connection between the male connector and the wire body, a first metal shielding cover is sleeved on the periphery of the first metal braided mesh layer, the rear end of the first metal braided mesh layer is turned forward and pressed against the inner wall surface of the first metal shielding cover by riveting, a first inner mold is integrally injection-molded at the connection between the first metal shielding cover and the wire body, and a first outer mold is integrally injection-molded at the connection between the first inner mold and the male connector; A second metal braided mesh layer is sleeved at the connection between the female connector and the wire body, a second metal shielding cover is sleeved on the outer periphery of the second metal braided mesh layer, the front end of the second metal braided mesh layer is turned back and pressed against the inner wall surface of the second metal shielding cover by riveting, a second inner mold is integrally injection-molded at the connection between the second metal shielding cover and the wire body, and a first outer mold is integrally injection-molded at the connection between the second inner mold and the female connector; The cable body comprises a cable core and an aluminum foil shielding layer, a braided layer and a first outer layer which are sequentially located on the periphery of the cable core; The cable core includes a coaxial core and three electronic wire cores located outside the coaxial core; The coaxial core comprises a coaxial conductor and an insulating layer, a shielding layer and a second outer layer which are sequentially coated on the periphery of the coaxial conductor.

2. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The first inner mold and the second inner mold are both made of LDPE material.

3. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The first outer mold and the second outer mold are both made of PUR material.

4. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The coaxial conductor includes a plurality of round annealed copper wires.

5. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The insulating layer is made of HDPE insulating material.

6. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The shielding layer is formed by wrapping the insulating layer with tinned copper wire.

7. The high-airtightness and high-transmission robot video cable according to claim 1, characterized in that: The first outer layer and the second outer layer are both made of PUR material.

Images