Plastics double screw extruder

The utility model relates to a plastics double screw extruder, including drive arrangement, be connected with transmission on drive arrangement one side, be connected with extrusion device on transmission one side, be equipped with the feeder hopper on the transmission, the inside output shaft that is equipped with parallel arrangement of extrusion device, be equipped with helical blade on each output shaft, the extrusion device upper end is equipped with sealed lid, sealed lid is connected with the air treatment case through the blast pipe, it is crescent that each output shaft is close to discharge gate one end diameter from feed inlet one end. The utility model discloses a set up sealed lid, air treatment case, the healthy of workman is avoided influencing by the gas of extrusion device production like this after the air treatment case is handled, through the output shaft that sets up the reducing, plastics improve the plastify effect of plastics in that to extrude in -process extruded pressure crescent like this, and the practicality is good.