Semi-automatic flame circular tube cutting device

The utility model discloses a semi-automatic flame round tube cutting device, which relates to the technical field of cutting, and comprises two bases and two rolling shafts, the two rolling shafts are rotatably connected to the bases in parallel, a side plate of one base is fixedly connected with a mounting plate, one side of the mounting plate is fixedly connected with a first motor, and the other side of the mounting plate is fixedly connected with a second motor. A sliding rail is fixedly connected to the other side of the mounting plate, the end, away from the mounting plate, of the sliding rail is fixedly connected to the bottom of the other base, a threaded rod is rotationally connected into the sliding rail, and an output shaft of the first motor penetrates through the mounting plate and is fixedly connected with the threaded rod; and the threaded rod is in threaded connection with a mounting block which is in sliding fit with the sliding rail. According to the flame circular pipe cutting device, a pu