Rotary axis cable wiring structure
a technology of rotary axes and cable wiring, which is applied in the direction of current collectors, cable arrangements between relatively moving parts, and program-controlled manipulators, etc., can solve the problems of low reliability of cable disposed properly, difficult checking, and assembly time, so as to increase reliability and usability. the effect of high
Active Publication Date: 2020-07-02
FANUC LTD
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AI Technical Summary
Benefits of technology
This structure enhances assembly usability and reliability by allowing easy passage of cables through the pipe without intersection, maintaining order even at high occupancy ratios, and ensuring cables are properly disposed without detailed checking, thus improving the overall efficiency and longevity of cable management.
Problems solved by technology
In some cases, a whole cable assembly in which many cables are bundled by a cable clamp is not able to be passed through a hollow pipe together with the cable clamp because the hollow pipe has a small diameter or the filling degree of such cables is high.
However, in some cases where the filling degree of such cables in the hollow pipe is high, even checking may be difficult.
As a result, problems arise that assembly takes time and that the reliability as to whether or not the cables are disposed properly is low.
Method used
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[0023]One embodiment of the present invention will be described below in detail with reference to FIG. 1 and FIG. 2. FIG. 1 is a schematic diagram illustrating a rotary axis cable wiring structure 2 of a robot 1. FIG. 2 is a schematic diagram illustrating a cable bundle 6 constituting the rotary axis cable wiring structure 2 shown in FIG. 1.
[0024]As shown in FIG. 1, the rotary axis cable wiring structure 2 of the robot 1 is configured to protect a plurality of cables 60 disposed from one to the other of members 3, 4 rotating relatively, so as to prevent damage such as disconnection caused by torsion (twisting).
[0025]Specifically, the rotary axis cable wiring structure 2 includes a fixed member (first member) 3, a movable member (second member) 4, a hollow pipe member (rotary axis part) 5, a plurality of the cable bundles 6, first cable fixing means 7, and second cable fixing means 8.
[0026]The fixed member 3, which is a member having an internal space, supports and fixes one end of t...
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To provide a rotary axis cable wiring structure and a robot having higher usability at the time of assembly and increased reliability as to whether or not cables are properly disposed. A rotary axis cable wiring structure includes a fixed member and a movable member which are rotatable relatively, a cylindrical hollow pipe member disposed between the fixed member and the movable member so as to be rotatable with respect to the movable member, a plurality of cable bundles passed from one of the fixed member and the movable member to the other through the hollow pipe member, first cable fixing means for fixing the cable bundles to the fixed member, and second cable fixing means for fixing the cable bundles to the movable member. Each of the cable bundles includes a plurality of cables, and a cable bundling member having an outer diameter smaller than an inner diameter of the hollow pipe member and bundling the plurality of cables in a state where mutual relative arrangement is maintained.
Description
[0001]This application is a Continuation of U.S. patent application Ser. No. 16 / 041,156 filed Jul. 20, 2018, which is based on and claims the benefit of priority from Japanese Patent Application No. 2017-150531, filed on 3 Aug. 2017, the content of which is incorporated herein by reference.BACKGROUND OF THE INVENTIONField of the Invention[0002]The present invention relates to a rotary axis cable wiring structure in which a cable is inserted through a cylindrical rotary axis part, and a robot having the rotary axis cable wiring structure.Related Art[0003]Some conventional industrial robots include a hollow pipe to protect a cable disposed from one to the other of members rotating relatively (refer to, for example, Patent Documents 1 and 2). Such an industrial robot requires more cables passed through the inside in order to deal with vision, sensors and the like.[0004]Patent Document 1: Japanese Unexamined Patent Application, Publication No. 2015-168037[0005]Patent Document 2: Japanes...
Claims
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IPC IPC(8): B25J9/00H01R35/02B25J19/00H01R39/64H02G11/00
CPCB25J9/0009H01R39/64H02G11/00H01R35/02B25J19/0041B25J19/00
InventorNAKAYAMA, KAZUTAKA
OwnerFANUC LTD