Ball mill lining plate

The utility model discloses a ball mill lining plate, which comprises a plate, bumps and a screw hole. The ball mill lining plate is characterized in that a mounting surface of the plate is a cambered surface similar to a plane, the bumps are symmetrically arranged at two ends of an arc, the other surface corresponding to the mounting surface is a concave cambered surface, the screw hole arranged at the position of the central line of the concave cambered surface of the plate is an arc hole, a large-diameter opening of the screw hole is arranged on the concave cambered surface, and a small-diameter opening is arranged on the mounting surface. Blur-radius lining plate mould blocks of the same specifications can be installed and used in ball mills with different diameters, and simultaneously the ball mill lining plate greatly decreases spare part stock, and is simple in structure and convenient in installation without affecting production process flow. Compared with a traditional mode, the mode of producing and