<p>The invention relates to a domestic waste compactor comprising a structure (1) of articulated arms in the form of scissors, one end of which is joined to a pressure plate (3) by means of hinges (2), while the other end is joined to an actuating mechanism formed of a spindle (4) actuated by a motor (6), said articulated arms of the structure (1) being joined in an articulated manner to bushings threaded in opposing directions and incorporated on the spindle (4).</p>