Sorting machine for special engineering plastic production and processing

The utility model discloses a sorting machine for special engineering plastic production and processing, which comprises a sorting box, a dust collecting bin and a blanking pipe, the blanking pipe is arranged at the top of the interior of the sorting box, and a first motor is arranged at the middle position of the top of the sorting box. The device is provided with the push rod, the first circular convex block, the mounting plate, the first hinge shaft, the second circular convex block, the rotating shaft, the hinge block, the second hinge shaft and the second motor, the second motor drives the second circular convex block to rotate through the rotating shaft, so that the second circular convex block is in contact with and extrudes the first circular convex block, and the first circular convex block is stressed and pushes the push rod to rotate; the mounting plate can be pushed and rotated through the push rod, the push rod repeatedly pushes the mounting plate, the screen can repeatedly swing up and down, raw