Stuffing/dosing machine comprising a tilting hopper

A stuffing/dosing machine having a tilting hopper, the machine comprising:

• a tilting hopper, that receives the material to be stuffed/dosed, provided with a top opening having a hermetic cover and a narrowed base associated with an antechamber that leads to the inlet of at least one stuffing chamber connected to an outlet duct via a connection ensemble;
• at least one piston driven by driving means to perform a stroke covering a first section in said antechamber and a second section in said stuffing chamber, of which there is at least one;
• means for stirring said material to be stuffed/dosed that is in said hopper and drive it towards the said;
• and
• an ensemble comprising the hopper, the hermetic cover, and the narrowed base forming a first structural unit that can pivot around an articulation between a first position, or operative position, in which a bottom mouthpiece of the narrowed base of the hopper is hermetically positioned in a top mouthpiece of the antechamber, and a second position, or cleaning and maintenance position, in which said bottom mouthpiece of the narrowed base of the hopper is separated from said top mouthpiece of the antechamber to a sufficient degree to enable easy access to both mouthpieces.