Automatic feeding device for lathe

The utility model relates to the technical field of lathe auxiliary devices, in particular to an automatic feeding device for a lathe. The automatic feeding device comprises a guide rail supporting plate, a lower sliding groove plate, a blocking mechanism, a sliding base, a sliding base drive device, a distributing mechanism and a feeding mechanism, wherein the lower sliding groove plate is arranged on the side face of the guide rail supporting plate in an inclined mode, the blocking mechanism is used for blocking materials, the sliding base is arranged on the supporting plate in a sliding mode, the sliding base drive device is used for driving the sliding base to slide, the distributing mechanism is arranged on the sliding base, and the feeding mechanism is arranged below the lower sliding groove plate and used for feeding. The lower sliding groove plate is provided with a trough used for containing the materials. The automatic feeding device for the lathe is compact in structure, small in occupied factory space, and capable of automatically feeding the special-shaped materials, improves the production efficiency of the lathe, reduces the production cost and has high practically.