Filling unit for filling a succession of tubular wrappers of the tobacco industry

A filling unit for filling a succession of tubular wrappers of the tobacco industry, each of the tubular wrappers extending along a main axis of extension and internally defining a containment chamber adapted to contain a filling material of the tobacco industry, the unit comprising:

• a filling station comprising a plurality of filling devices configured to insert the filling material into respective containment chambers of the succession of tubular wrappers through filling ends of the tubular wrappers;
• a closing station disposed downstream of the filling station and comprising a plurality of closing devices configured to make respective closing walls which close the filling ends and which are transverse to the respective main axes of extension;
• wherein the closing station comprises at least one feed drum on which the plurality of closing devices is mounted.