Automatic cover falling mechanism

According to the technical scheme, the automatic cover falling mechanism is characterized in that the automatic cover falling mechanism comprises a support, a supporting plate, a rotating disc and a first driving assembly; the first driving assembly is arranged on the bracket; the supporting plate is arranged on the first driving assembly; the output end of the first driving assembly penetrates through the supporting plate and then is fixedly connected with the rotating disc. A plurality of first cover falling holes used for stacking a plurality of cover bodies are formed in the rotating disc; a second cap falling hole is formed in the supporting plate; a first baffle is arranged on the second cap falling hole in a sliding manner; a proximity switch and a second driving assembly are arranged on the bracket; the output end of the second driving assembly is fixedly connected with the first baffle. A third driving assembly is arranged on the second driving assembly; a center plate is arranged on the turntable; t