Waste recovery device for plastic processing

The invention relates to the technical field of plastic processing, in particular to a waste recovery device for plastic processing. The waste recovery device for plastic processing comprises a firstcrushing chamber, wherein a crushing blade is mounted in the first crushing chamber through a bearing, and a second crushing chamber is arranged below the first crushing chamber; a first discharge port and a second discharge port are formed in the lower surface of the second crushing chamber, a partition plate is fixed in the second crushing chamber, a lead screw motor is arranged on the side surface of the partition plate, the lead screw motor is mounted in the second crushing chamber, and a pressing plate is in threaded connection to the lead screw motor; a connecting ring is arranged at oneend of a discharge hopper, and the connecting ring is mounted in a groove; as a result of an inclined cone structure of the discharge hopper, the discharge hopper can rotate in the groove through theconnecting ring when the d