Platform conversion overlock sewing machine with high safety

The utility model relates to the technical field of platform conversion overlock machines, in particular to a platform conversion overlock machine with high safety. The device comprises a workbench, an overlock sewing machine is fixedly connected to the surface of the workbench, a collecting frame is placed on the side wall of the workbench, a protective device is arranged on the surface of the workbench and comprises a connecting plate, the connecting plate is installed on the surface of the workbench, two screws are connected to the two sides of the connecting plate in a threaded mode, and the connecting plate is connected with the collecting frame. The two sides of the connecting plate are each fixedly connected with two rectangular plates, the sides, close to each other, of the two rectangular plates are each rotationally connected with a rotating shaft, the surfaces of the rotating shafts are fixedly connected with cylinders, the surfaces of the two cylinders are each sleeved with a rubber sleeve, and th