Robot with slotted carrousel plate

Details Robot with slotted carrousel plate Robot with slotted carrousel plate

1999-04-15

2001-04-24

Fenstermacher, David (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

C901S027000

Reexamination Certificate

active

06220113

ABSTRACT:

This application claims Paris Convention priority of DE 198 16 949.3 filed Apr. 17, 1998 the complete disclosure of which is hereby incorporated by reference.
BACKGROUND OF THE INVENTION
The invention concerns a robot having a base and a carrousel plate located thereon having an opening for passing cables.
Energy is supplied in robots for driving the individually movable arms of the robot as well as the robot hand and optionally as a power supply for a tool such as a welding tongs. The energy is passed from the stationery base of the robot via cables disposed either on the outside of the carrousel and of the arms of the robot or guided through same to the corresponding use locations. Passage of the cable out of the base is effected via an opening in the carrousel plate which is closed at all sides. When cabling the cables, which have a substantial length and as a bundle of cables a corresponding thickness and weight, must be guided from below through the opening and towards the outside. This is difficult. Furthermore, the opening must be substantial in size so that the plug and connecting components provided for on the cable can also pass through the opening.
It is therefore the purpose of the invention to simplify assembly of the robot and in particular of the cabling as well as to facilitate a simple expansion of the cabling in particular for an installed robot.
SUMMARY OF THE INVENTION
The above mentioned purpose is solved in accordance with the invention in a robot of the above mentioned kind in that the opening is configured as a slot extending from the outer edge of the carrousel plate in an inward direction.
In accordance with the invention, the opening in the carrousel plate is not configured as an opening closed at all sides, rather is a slot extending from the edge region and therefore opened towards the edge. The cable must no longer be longitudinally inserted through the opening, rather sidewardly into the slot. In this manner assembly, in particular the cabling, is substantially simplified and more rapidly carried out than was previously the case. The solution in accordance with the invention facilitates a decoupling of the assembly of the mechanical components and of the cables. Furthermore, a simple expansion of the electrical installation is possible with an assembled carrousel. Although the slot can, in principle, extend at a slant relative to the radius of the carrousel plate, a preferred embodiment provides that the slot travels from the edge of the carrousel plate substantially radially in an inward direction. An improvement can thereby provide that the slot be L-shaped having sections substantially perpendicular to each other.
In a preferred embodiment, a cover plate is provided for which covers the edge region of the slot and which can be attached at the edge of the carrousel plate in a detachable fashion, wherein in particular, the cover plate can be configured as an angled plate. This facilitates sealing the outside of the slot which is otherwise open towards the edge region of the carrousel plate to prevent mechanical damage to the cable during operation due e.g. to welding chips.
Further advantages and features of the invention can be derived from the claims and from the subsequent description in which an embodiment is described with reference to the drawing.


REFERENCES:
patent: 5065062 (1991-11-01), Uehara et al.
patent: 5115690 (1992-05-01), Torii et al.
patent: 5437207 (1995-08-01), Zimmer
patent: 5881604 (1999-03-01), Miwa
patent: 6014909 (2000-01-01), Fiora

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