Steamed bun raw material storage bin

The utility model relates to the technical field of raw material storage, in particular to a steamed bun raw material storage bin which is characterized by comprising a bin body and a supporting seat, a plurality of ventilation openings are fixedly formed in the upper surface of the bin body, drying agent boxes are fixedly arranged in the ventilation openings, and a feeding opening is fixedly formed in the upper surface of the bin body. A plurality of bag breaking needles are fixedly arranged at the bottom of the inner side of the feeding port, a filter screen is fixedly arranged at the bottom of each bag breaking needle, a material belt is put into the feeding port, the driving motor is started to drive the rotating wheel to rotate so as to drive the straight rod to reciprocate, and the bin body is driven to move up and down along the telescopic rod; raw materials in a material belt enter the bin body through the filter screen under puncture of the bag breaking needle, meanwhile, the telescopic rod reciproca