Cabin unmanned meal delivery device and use method thereof

The invention is suitable for the field of aviation service equipment, and provides a cabin unmanned meal delivery device which comprises a first conveying mechanism, second conveying mechanisms and a loading and unloading mechanism, the first conveying mechanism comprises a universal conveying belt, the universal conveying belt drives and conveys meal boxes through conveying wheels, and the universal conveying belt is used for conveying meal boxes in a kitchen area and a passenger area in a reciprocating manner; the multiple second conveying mechanisms are arranged on a luggage rack bottom plate of the passenger area, multiple discharging openings corresponding to seats are formed in the luggage rack bottom plate at intervals, each second conveying mechanism is located at the corresponding discharging opening, and the second conveying mechanisms are connected with the first conveying mechanism, and are used for conveying meal boxes of the first conveying mechanism to seats; and the loading and unloading mech