Mechanized feeding device for producing compound fertilizer

The utility model belongs to a mechanical feeding device for producing compound fertilizer. Comprising a compound fertilizer production unit arranged at the tail end, and a transfer bin is arranged on the front portion of the compound fertilizer production unit and connected with a mechanical feeding unit; the mechanical feeding unit comprises a discharging hopper matched with a transport vehicle, the bottom of the discharging hopper is connected with an inlet of an elevator through a first crusher, an outlet of the elevator is connected with a scraper conveyor through a pipeline, a plurality of stock bins are arranged at the bottom of the scraper conveyor, and bottom outlets of the stock bins are connected with a transmission scraper conveyor. The tail end of the transmission scraper is connected with a first feed port of the transfer bin; the feeding device has the advantages of being simple in structure, reasonable in design and capable of improving feeding efficiency on the premise of reducing labor cost