Provided is an articulated robot that is configured to measure a weight of a molded product on absorbing the molded product by providing a weight sensor in an absorption apparatus formed on a robot arm of the articulated robot, so as to improve performances of the articulated robot, reduce operating processes, and improve productivity and efficiency. A robot transfer apparatus is provided on a front edge portion of a robot arm in the articulated robot, and the robot transfer apparatus includes the absorption apparatus having absorption tools and the weight measuring apparatus provided on the absorption apparatus. The weight measuring apparatus includes a frame connected to the robot arm; an installation plate formed on the frame; and load cells provided on the installation plate, wherein the load cells are configured to measure a weight of the absorption apparatus when the absorption apparatus is placed on the load cells.