Method and device for matching materials among adjacent blade plasticization transportation units of blade squeezer
A blade extruder and blade plasticizing technology, which is applied in the field of material matching between adjacent blade plasticizing and transporting units of the blade extruder, can solve the problem of prolonging the melt residence time, increasing the degradation of polymer materials, and prone to dead ends, etc. problems, to achieve uniform distribution of residence time, improve plasticization quality, and reduce material residues.
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[0020] see figure 1 , figure 2 , the vane extruder is composed of the vane feeding unit I and several groups of vane plasticizing and transporting units (II~VII) stacked in series. The eccentric direction of the rotor of the adjacent two vane plasticizing and transporting units is opposite to that of the stator. The size of the eccentric distance can be inconsistent, and two adjacent groups of blade plasticizing transport units are connected by baffles. Since the eccentric directions of adjacent two groups of blade units are opposite, the positions of the discharge openings of the two groups of units are symmetrical with respect to the central axis of the rotor.
[0021] The plasticizing transport of the vane extruder is volumetric transport, and the baffles between two adjacent sets of vane plasticizing transport units play the role of sealing and diversion. When the rotor rotates, when the space volume surrounded by the stator, rotor, blades and baffles in the vane plasti...
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