PLASTICIZING POWER AND INJECTION POWER SYNERGISTIC HIGH-PERFORMANCE INJECTION MOLDING MACHINE

摘要

Disclosed is a plasticizing power and injection power synergistic high-performance injection molding machine, comprising a casing, a barrel, a screw, a pressure sensor, and a power system. The power system comprises a sleeve, a plasticizing drive member, a transmission member, a connection member, a nut, and an injection drive member; the transmission member is a double-headed screw that has threads that rotate in opposite directions, one threaded section of the double-headed screw matches an inner thread pair of the sleeve, the other threaded section thereof matches an inner thread pair of the nut, and the end part of the other threaded section emerges from the outer end part of the nut. By means of the joint synergy of the different rotation speeds and rotation directions of the sleeve and the nut, the present invention can drive the double-headed screw to move linearly or rotationally to drive the screw to move synchronously. Therefore, the rated power of a motor in an injection unit is greatly reduced as compared to an existing injection molding machine. At the same time, the present invention has a compact structure, and moving parts thereof have little inertia. The present invention responds quickly, can effectively expand the injection molding process window, and improve product stability and yield.