High-precision flame cutting device

The utility model relates to the technical field of flame cutting, and discloses a high-precision flame cutting device which comprises a storage groove, a machine frame is arranged above the storage groove, a movable groove is formed in the machine frame, a movable block is movably installed in the movable groove, a flame cutting machine is fixedly installed at the bottom end of the movable block, and the flame cutting machine is fixedly installed at the bottom end of the movable block. And an injector head is movably mounted at the bottom end of the flame cutting machine. According to the high-precision flame cutting device, the balls at the bottom end of the mounting plate can make contact with the top end of a steel plate, and when the surface of the steel plate is uneven, the limiting springs at the bottom end of the movable rod guarantee that the balls make contact with the surface of the steel plate all the time; at the moment, it can be guaranteed that the relative distance between the movable plate an