| CPC B25J 9/042 (2013.01) [B25J 9/0093 (2013.01)] | 22 Claims |
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1. A robot system comprising:
a first conveyor configured to convey a workpiece along a transport line in a conveying direction to a first position;
a second conveyor configured to convey the workpiece from a second position along a first line, the first line being perpendicular to the transport line; and
a robot configured to convey the workpiece from the first position to the second position, the robot comprising:
a base fixed at a fixed position, the fixed position being spaced apart from the first conveyor in the conveying direction, the transport line extending in the conveying direction along an axis that intersects with the fixed position when viewed from above;
an arm base movably connected to the base to move upwards and downwards along the base;
a first arm having a first one end portion and a first another end portion opposite to the first one end portion, the first one end portion being connected to the arm base rotatably about a first axis perpendicular to the transport line and the first line;
a second arm having a second one end portion and a second another end portion opposite to the second one end portion, the second one end portion being connected to the first another end portion rotatably about a second axis parallel to the first axis;
an arm tip connected to the second another end portion rotatably about a third axis parallel to the first axis; and
a workpiece holder provided below the arm tip and configured to hold the workpiece from above,
wherein the first axis overlaps with the first conveyor when viewed from above, and
wherein the first axis is located between the fixed position and the first position.
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