Extruder capable of internally mixing multiple screws

The utility model relates to the technical field of extruders, in particular to an extruder capable of internally mixing a plurality of screws, which comprises an internal mixer, an extrusion part, an electromagnetic valve, an extruder and a support II, the extrusion part is mounted at the top of the internal mixer, the electromagnetic valve is mounted at the bottom of the internal mixer, a plurality of support rods are fixedly connected with the bottom of the internal mixer, and the support II is fixedly connected with the support II. And an extruder is installed at the bottom of the electromagnetic valve, and a plurality of supporting rods are fixedly connected to the top of the extruder. The internal mixer is arranged, materials are put into the first feeding port, the hydraulic rod is started, the hydraulic rod drives the extrusion plate to descend, the extrusion plate extrudes the materials into the internal mixing chamber, the first motor is started, the first motor drives the rotors to rotate, the mate