Screening device for plastic rice

The screening device comprises a screening box, a connecting rod is fixedly installed at the bottom of the left side of the screening box, a motor is fixedly installed in the center of the right side of the screening box, a second draught fan is fixedly installed on the right side of the top of the screening box, and a communicating pipe is fixedly installed at the output end of the second draught fan. And a first fan is fixedly mounted at the top of the connecting rod, and an inner cavity of the screening box is rotationally connected with a stirring rod through a bearing. The motor, the connecting rod, the second fan, the first filter screen and the stirring rod are mounted by arranging the screening box, the first fan is mounted by arranging the connecting rod, the stirring rod is driven by arranging the motor, and gas is guided by arranging the communicating pipe, so that the stirring effect is improved; and meanwhile, the problem that the screening accuracy is affected due to the fact that dust, scrap ir