Novel protection device for flip-flop drilling machine

The utility model discloses a novel protective device for a flip-flop drilling machine in the technical field of shoe production, which comprises a vertical plate arranged on a working table, a groove matched with a protective cover in shape is formed in the working table, and a first rack and a second rack are slidably connected to the vertical plate along the moving direction of a drilling device. The first rack and the second rack move reversely, a middle wheel meshed with the first rack and the second rack is rotationally connected to the vertical plate, the protective cover is arranged in the workbench, the second rack and the protective cover are connected into a whole through a connecting frame, and an elastic piece driving the protective cover to tend to retract into the workbench is arranged in the workbench. In the descending process of the drilling device, the protective cover is driven by the first rack, the middle wheel and the second rack to ascend from the interior of the workbench, so that wor