Automatic plate descending machine

The utility model relates to an automatic board descending machine, including board descending frame, board descending device and traversing device, the board descending frame is provided with a plurality of mutually parallel guide rail upright posts, the board descending device includes lifting power assembly and lifting frame, the lifting power assembly is installed on the top of the board descending frame and the lifting power assembly is in transmission connection with the lifting frame. The lifting frame is provided with a plurality of lifting guide wheels, the lifting guide wheels roll along the corresponding guide rail stand columns, a translation cross beam is fixedly installed on the lifting frame, the transverse moving device horizontally moves along the translation cross beam and comprises a pushing rack and a pushing power assembly, the pushing rack horizontally slides along the translation cross beam, and the pushing power assembly is connected with the transverse moving device. The pushing power