Extrusion device capable of avoiding outward surge for producing new material

The invention discloses an extrusion device capable of avoiding outward surge for producing a new material. The extrusion device comprises a bottom cylinder, a thrusting plate, a sealing cover, stirring shafts and a discharging pipe, wherein a tank cylinder is fixed to the top end of the bottom cylinder; a motor is mounted in the middle of the top end of a top cover; the thrusting plate is connected to the outer side of an adjusting shaft rod; a feeding port is formed in an upper left corner of the tank cylinder; heating jackets are arranged on the outer side of the tank cylinder; a partitionplate is mounted at the top end of the interior of the bottom cylinder; stirring blades are fixed to the outer side of each stirring shaft; a baffle is fixed to the interior of the middle of the discharging pipe; and a one-way valve is arranged in a return pipe. According to the extrusion device, the outward surge of the material can be avoided, the stable delivery of the material can be guaranteed, the extrusion device i