Protection mechanism for automatic machine tool

The utility model discloses a protection mechanism for an automatic machine tool, relates to the technical field of machine tool protection, and solves the problems that a movable door of an existing device cannot be completely opened, so that cleaning is not thorough, use is affected, and the movable door of the existing device is automatically opened in the workpiece machining process. The machine tool comprises a machine tool box body and a supporting frame, the top of the supporting frame is fixedly connected with the machine tool box body, the top and the bottom of the machine tool box body are provided with a first sliding rail and a second sliding rail correspondingly, and a first protection plate and a second protection plate are installed on the outer side of the machine tool box body; the outer sides of the first protection plate and the second protection plate are slidably connected into the first sliding rail and the second sliding rail. The first protection plate and the second protection plate c