Coating feeding and conveying device with automatic weighing function

The utility model discloses an automatic weighing coating feeding and conveying device which comprises a machine shell, a feeding pipe is fixedly installed in the center of the top face of the machine shell, a storage bin is installed at the top end of the feeding pipe in a communicated mode, a rotating shaft is installed in an inner cavity of the machine shell, and a weighing roller is fixedly installed on the rotating shaft. One end of the rotating shaft is connected with the output end of the first stepping motor, the top face of the weighing roller abuts against the bottom end of the feeding pipe, three weighing grooves are evenly formed in the side wall of the weighing roller, a plurality of electric telescopic rods are installed at the bottom ends of inner cavities of the weighing grooves, and the movable ends of the electric telescopic rods are connected with an installation plate; an adjusting plate is mounted on the mounting plate through a fixing bolt, the side face of the adjusting plate abuts agai