Screw extruder with discharge interface easy to disassemble and assemble

The utility model relates to the technical field of plastic processing machinery. The utility model relates to a screw extruder, in particular to a screw extruder with a discharging connector easy todisassemble and assemble. The plastic extruder comprises a rack, a machine barrel, a first driving device and a feeding device arranged at the feeding end of the machine barrel. Wherein the machine barrel and the driving device are both fixed on the rack, an extrusion screw rod is movably arranged in the machine barrel, the extrusion screw rod is in driving connection with the output end of the first driving device, a heating device is arranged at the bottom of the machine barrel, and the discharging end of the machine barrel is detachably connected with a discharging connector. The screw extruder with the discharging connector easy to disassemble and assemble is provided with the discharging connector convenient to disassemble and assemble, the discharging connector can be conveniently taken down in time to be cl