Cup feeding device, sample detection equipment and immunity analyzer

The utility model discloses a cup feeding device, sample detection equipment and an immunity analyzer, and relates to the technical field of medical instruments. The cup feeding device comprises a bin body, a posture adjusting piece and a reaction cup dispatching assembly; the bin body is provided with a cup containing bin, a cup falling bin and a screening opening, the screening opening is communicated with the cup containing bin and the cup falling bin, the cup containing bin is used for containing reaction cups, and the screening opening is used for allowing the reaction cups with preset postures to pass to enter the cup falling bin; the posture adjusting piece is arranged in the cup falling bin, located below the screening opening and used for adjusting the posture of the reaction cup in the cup falling bin to be the posture with the cup opening facing upwards. And the reaction cup dispatching assembly is used for receiving the reaction cups with upward cup openings adjusted by the posture adjusting piece