Discharge structure for dry ball mill

The utility model relates to a dry ball mill, and in particular relates to a discharge structure for a dry ball mill, belonging to the technical field of ball mills. The discharge structure comprises a ball milling barrel, a ball milling barrel rotary shaft, a bin and a dust collector, wherein a discharge hole is formed in the ball milling barrel and is connected with a discharge plug by virtue of a bolt, and the upper end of the discharge plug is connected with a first discharge pipe and an air inlet valve; a discharge channel is formed in the ball milling barrel rotary shaft, the inlet end of the discharge channel of the ball milling barrel rotary shaft is connected with the first discharge pipe, the outlet end of the discharge channel of the ball milling barrel rotary shaft is connected with a rotary seal, the rotary seal is connected with the inlet end of a secondary discharge pipe, and the outlet end of the secondary discharge pipe penetrates through the feeding hole of the bin and extends into the bin. According to the discharge structure disclosed by the utility model, the structure is simple, compact and reasonable; by actively sucking powder by a fan, the discharge working efficiency is improved, and the phenomenon that environment is polluted by the powder by virtue of the traditional mode is also prevented; the charging height is lowered, charging is convenient, and the plug is also convenient to change and fetch.