Automatic feeding device

The utility model discloses an automatic feeding device which comprises a fixing back plate, an installation block is integrally formed on the side face of the fixing back plate, a connecting cross rod is installed on one side of the fixing back plate in an embedded mode, a connecting supporting plate is fixedly installed on one side of the connecting cross rod, and adaptive round holes are formed in the four corners of the surface of the connecting supporting plate. Sliding grooves are formed in the left side and the right side of the connecting supporting plate correspondingly, and the bottom end of the connecting supporting plate is slidably connected with a fixing base in a sleeved mode. According to the scheme, the telescopic rod, the movable plate, the supporting plate, the connecting supporting plate, the fixing base, the circular column and the adaptive circular hole are arranged, the telescopic rod is started through mutual cooperation of the telescopic rod, the telescopic rod drives the movable plat