Feeding fan device

The utility model relates to a feeding fan device. The utility model relates to the technical field of material transportation. When the cut material needs to be checked, the material can be conveniently taken out; a user needs to go to a place where conveying of the feeding fan is completed for checking; people cannot discover the state of cutting the materials at the first time; the draught fanfurther comprises a support used for fixing the draught fan body. The draught fan body is further provided with a collecting hopper, the collecting hopper is further provided with an end cover, the end cover is further provided with a feeding port allowing materials to enter, the end cover is further provided with an observation port communicated with the outside and the feeding port, the end cover is further pivoted with a filter screen used for shielding the observation port, and the side, away from the pivoted side, of the filter screen is erected on the end cover. The cutting machine has the advantages that the st