Internal mixing system for rubber and plastic production

The invention relates to the technical field of internal mixers, in particular to an internal mixing system for rubber and plastic production. An internal mixing chamber; a heat preservation chamber; the interior of the upper top peg is hollow; the internal mixing roller is arranged in the internal mixing chamber, and the two ends of the internal mixing roller penetrate out of the internal mixing chamber and the heat preservation chamber; gaps among the internal mixing chamber, the heat preservation chamber and the internal mixing roller form a sealed cavity; the sealing cavity and the inner cavity of the top peg are both filled with heat-conducting fluid capable of wrapping the outer walls of the internal mixing chamber in all directions; a first hole communicated with the sealing cavity is formed in the axial surface of one end of the hollow part of the internal mixing roller, and the other end of the hollow part of the internal mixing roller is communicated with the interior of the top peg through a sealin