Sorting device for stationery production and using method thereof

The invention discloses a material selecting device for stationery production, and relates to the technical field of stationery processing, the material selecting device comprises an adjusting mechanism and a switching mechanism, a rack frame is slidably mounted on a supporting rod, a clamping mechanism is slidably mounted below the supporting frame, and the rack frame drives the clamping mechanism to slide below the supporting frame through a transmission assembly; the adjusting mechanism is installed on the supporting column, the limiting ring is fixedly installed on the supporting column, the adjusting ring is installed on the limiting ring in a sliding mode, the switching mechanism is rotatably installed on the supporting column, and the rotating shaft is rotatably installed on the supporting column. Three groups of connecting shaft rods are arranged on the rotating shaft, a rotating ring is fixedly mounted on the connecting shaft rods, the conversion gear is fixedly mounted on a connecting rod of the rot