Automatic plastic plate punching device

The invention relates to the technical field of plastic machining, in particular to an automatic plastic plate punching device. The technical problem to be solved by the invention is how to provide the automatic plastic plate punching device having effects that a plastic plate can fall automatically, the plastic plate can be punched automatically, and the machined plastic plate also can be moved out of the device automatically. The automatic plastic plate punching device comprises a bottom plate and the like, a stamping mechanism is fixedly connected to the bottom plate, the automatic plasticplate punching device further comprises a supporting plate, the bottom plate is fixedly connected with the supporting plate, and a through hole is formed in the supporting plate. According to the automatic plastic plate punching device, the plastic plate is pushed to a position below the stamping mechanism through a motor, so that manual pushing is omitted, the plastic plate also can be punched automatically, then punchin