Barrel rapping device

The utility model relates to the field of barrel cleaning, and particularly discloses a barrel rapping device which comprises a plurality of mounting seats fixedly connected to the outer wall of a drying machine barrel, a plurality of rapping barrels detachably connected to the free ends of the corresponding mounting seats, and a plurality of protective barrels which are provided with clamping blocks on the outer walls of the two sides, are sleeved on the rapping barrels and are used for preventing steel balls from flying out, clamping grooves capable of being clamped with the clamping blocks of the protection cylinder are formed in the two sides of the mounting base, elastic cushion layers used for buffering are arranged on the inner walls of the protection cylinder and the rapping cylinder, the sections, close to the free end, of the rapping cylinder and the protection cylinder are bent in the rotating direction of the drying machine cylinder to form bent parts, and functional parts used for rapping the cyl