Extrusion device for powder coating

The utility model discloses a powder coating extrusion device which comprises a discharging assembly, an extrusion assembly and a material receiving assembly, the discharging assembly is used for feeding powder coating raw materials into the extrusion device, and the extrusion assembly is used for melting and extruding the powder coating raw materials; the extrusion assembly comprises an extrusion driver, a charging barrel and an extruder, and an output shaft of the extrusion driver penetrates through the charging barrel and is connected with an extrusion screw rod of the extruder; the discharging assembly is arranged at the top of the material barrel, a discharging port of the discharging assembly communicates with a feeding port of the material barrel, heat dissipation holes are formed in the left side wall and/or the right side wall of the material barrel in the discharging direction of the extrusion device, and the heat dissipation holes communicate with a feeding port of the material receiving assembly.