Vision Guided Robotic Grommet Installation
First Claim
Patent Images
1. A method of installing grommets into holes in a vehicle body using a robot system including a grommet supplier, a vision system including a vision system controller and an imaging device, and a robot having a robot arm that carries a tool and the imagine device, the method comprising:
- moving the tool to the grommet supplier;
capturing a plurality of grommets using the tool;
moving the imaging device proximate to a first grommet hole in the vehicle body;
imaging the first grommet hole with the imagine device to determine a first hole location;
moving the tool to the first hole location;
installing a grommet in the first grommet hole;
moving the imagine device proximate the first grommet hole; and
imaging the first grommet hole with the imagine device to determine whether the installation of the grommet was successful.
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Abstract
A system and method installs grommets into vehicle grommet holes using vision a six axis robot with a grommet tool and a vision system. The robot arm moves to the general area of a grommet hole and then the vision system determines the exact hole location. Thereafter, the robot moves the grommet tool to the hole to install the grommet. Installation is then confirmed by the vision system.
51 Citations
9 Claims
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1. A method of installing grommets into holes in a vehicle body using a robot system including a grommet supplier, a vision system including a vision system controller and an imaging device, and a robot having a robot arm that carries a tool and the imagine device, the method comprising:
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moving the tool to the grommet supplier; capturing a plurality of grommets using the tool; moving the imaging device proximate to a first grommet hole in the vehicle body; imaging the first grommet hole with the imagine device to determine a first hole location; moving the tool to the first hole location; installing a grommet in the first grommet hole; moving the imagine device proximate the first grommet hole; and imaging the first grommet hole with the imagine device to determine whether the installation of the grommet was successful. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A robot system for installing grommets into holes in a vehicle body, the robot system comprising:
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a grommet supplier having a hopper and a positioning mechanism; a robot having a robot arm; a vision system including a vision system controller and an imaging device, said imaging device being carried by said robot arm; a tool carried by said robot arm, said tool including a plurality of projections, each said projection having a shaped end sized to carry a grommet; a robot controller for controlling the robot and adapted to perform the steps of; command the robot arm to move the tool to the grommet supplier; command the robot arm to position the tool to capturing a plurality of grommets; command the robot arm to move the imaging device proximate to a first grommet hole in the vehicle body; receive a first hole location from the vision system controller; command the robot arm to move the tool to the first hole location and install a grommet in the first grommet hole; after installing the grommet, commanding the robot arm to move the imaging device proximate to the first grommet hole; receive a notification from the vision system controller whether the grommet installation was successful; and if the grommet installation was not successful, commanding the robot arm to again move the tool to the first hole location and install a grommet in the first grommet hole. - View Dependent Claims (8, 9)
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Specification