Patent ID: 8348133

Claim:
A vehicle floor production system comprising: a return line and a welding line provided parallel to each other on a top portion and a bottom portion of a frame so as to move a carrier; a carrier drop means including a guide rail provided on the top thereof to load a panel on the carrier received from the return line and move the carrier to the welding line; a horizontal movement driving means for moving the carrier in the horizontal direction on the return line, the welding line and the carrier drop means by frictional force; a welding robot for welding the panel moved by the horizontal movement driving means in a predetermined section of the welding line; and a carrier changing robot including a carrier handling hanger provided at an end of an arm portion thereof to move the carrier from the welding line to the return line after completion of the panel welding process, wherein the return line is provided at the to of the frame and the welding line is provided at the bottom of the frame such that the carrier is circulated through the welding line and the return line according to up-and-down movement of the carrier drop means.