The invention relates to a combined reclaimed rubber essence open mill, which comprises rollers, a frame and a driving mechanism, and is characterized in that: the open mill is at least provided witha shared roller which is simultaneously matched with two adjacent rollers to respectively form a pair of extrusion rollers. The open mill has the characteristics that: one machine can complete multiple refining processes once, saves electric energy and operators, has high work efficiency, simple structure, small occupied area, low manufacturing cost, and convenient operation and management, can beused as a refining mill, and also can be used as the open mill.