High-quality color master batch extrusion system

The invention relates to a high-quality color master batch extrusion system which comprises a lower rack and an upper rack, a screw feeding mechanism is arranged on the upper rack, an extrusion mechanism is arranged on the lower rack, the extrusion mechanism comprises a machine body, a plurality of electric heating plates are arranged on the inner wall of the machine body, a main shaft is rotationally connected into the machine body, and the rear end of the main shaft penetrates out of the machine body. The lower rack is provided with a main shaft driving mechanism used for driving the main shaft to rotate on the rear side of the machine body, a feeding port is formed in the side wall, close to the rear end, of the machine body, and a conveying pipeline connected to a screw feeding mechanism is arranged on the feeding port; a rear spiral conveying assembly, a multi-stage smashing assembly and a front spiral conveying assembly which are arranged on the main shaft in a matched mode from back to front are arrang