Puffing extrusion granulator

The utility model provides a puffing extrusion granulator, comprising an extrusion device, a cutting device and a puffing device, wherein the extrusion device is provided with an extrusion cavity, an extrusion screw and an extrusion motor; the extrusion screw is arranged in the extrusion cavity; the extrusion motor is connected with the extrusion screw; an extrusion feeding hole is formed in one end of the extrusion cavity; an extrusion discharge hole is formed in the other end of the extrusion cavity; the cutting device comprises a cutting knife, and a cutting motor which is connected with the cutting knife; the cutting device is arranged on the extrusion discharge hole; the puffing device comprises a puffing cavity, a puffing screw and a puffing motor; the puffing screw is arranged in the puffing cavity; the puffing motor is connected with the puffing screw; a puffing feeding hole is formed in one end of the puffing cavity; and a puffing discharge hole is formed in the other end of the puffing cavity, and is formed above the extrusion feeding hole. The puffing extrusion granulator integrates puffing and extruding, and is capable of simultaneously carrying out puffing and extrusion processes, so that the production efficiency is improved.