Improved internal mixer and internal mixing method

Abstract

The invention relates to an improved internal mixer and an internal mixing method. The improved internal mixer comprises a main base, an internal mixing device arranged on the main base, an upper ejecting device arranged on the main base and used for sealing and downwards ejecting the internal mixing device, a driving device arranged on the main base and used for driving the internal mixing deviceto mix rubber, and an overturning system arranged on the main base and used for driving the internal mixing device to discharge through overturning. The internal mixing device comprises an internal mixing box body used for storing the mixed rubber, an internal mixing material opening formed in the internal mixing box body and used for adding and outputting the rubber, an internal mixing right side plate arranged on the internal mixing box body, an internal mixing sealing adjusting spring of which the right end is fixed on the left side surface of the internal mixing right side plate, internalmixing sealing outer spacer sleeves movably arranged left and right in the internal mixing box body and connected with the left end of the internal mixing sealing adjusting spring, an after-engagingrotor and a before-engaging rotor rotationally arranged on the internal mixing box body in the reverse direction. The structure of the after-engaging rotor is the same as that of the before-engaging rotor. The improved internal mixer is reasonable in design, compact in structure and convenient to use.

Description

technical field [0001] The invention relates to an improved banbury mixer and a banbury mixing method. Background technique [0002] Internal mixer is one of the main equipment for plastic compounding, which can be divided into batch type and continuous type according to the working principle. It consists of a mixing chamber, a rotor, an upper top bolt (pressing device), a lower top bolt (unloading device), a heating and cooling device, and a transmission system. Its working principle is: the mixed material enters the mixing chamber from the hopper, and is subject to constant shearing and kneading in the gap between two relatively rotating rotors, the gap between the rotor and the inner wall of the mixing chamber, and the gap between the rotor and the upper and lower top bolts. Refining and friction make the plastic heat and plasticize, and mix evenly. CN201020158435.6 Internal mixer for cable shielding material with carbon black dust recovery device; CN201520644362.4 Alth...

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Problems solved by technology

CN201020158435.6 Internal mixer for cable shielding material with carbon black dust recovery device; CN201520644362.4 Although a kind of internal mixer provides two internal mixer design schemes, its effect is not ideal

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