本申请公开了一种塑料颗粒循环利用造粒成套装置,包括投料部、混合部、挤出部、冷却部、切割部;投料部包括投料螺杆、大料口、小料口、投料电机,投料螺杆一端连接所述投料电机,投料螺杆另一端连接混合部,大料口和小料口设置于投料螺杆上方,且大料口位于小料口的上游;混合部包括混合电机和混合螺杆,混合螺杆上端连接混合电机并由混合电机带动,混合螺杆下端通过连接管连接挤出部的 The present application discloses a granulation complete device for recycling the plastic granules, which comprises a feeding part, a mixing part, an extruding part, a cooling part and a cutting part. The feeding part comprises a feeding screw, a large feeding port, a small feeding port, a feeding motor, One end of the screw is connected with the material feeding motor, the other end of the material feeding screw is connected with the mixing part, the large material mouth and the small material mouth are arranged above the feeding screw, and the large material mouth is located upstream of the small material mouth; the mixing part comprises a mixing motor and a mixing screw, The upper end of the screw is connected with the hybrid motor and driven by the hybrid motor. The lower end of the mixing screw is connected with the extrusion part through the connecting pipe