Automatic feeding device of surface grinding machine

The utility model discloses an automatic feeding device of a surface grinding machine, and relates to the technical field of surface grinding machines, the automatic feeding device comprises a surface grinding machine body, a groove is formed in the left end of the surface grinding machine body, a conveying belt is arranged in the groove, and the upper surface of the surface grinding machine body is fixedly connected with a fixing plate and an L-shaped hanging plate; an electric cylinder is fixedly connected to the left side face of the fixing plate, a piston rod is arranged on the left side face of the electric cylinder, a connecting plate is fixedly connected to the end, away from the electric cylinder, of the piston rod, and a connecting rod is hinged to the side face, away from the piston rod, of the connecting plate; the outer surfaces of the ends, away from the fixing plate, of the L-shaped clamping plates are fixedly connected with clamping plates. Through the cooperation of the structures, the workpie