High-precision limiting thread rolling wheel mechanism of single crystal furnace

The utility model relates to the field of thread rolling wheels, and discloses a high-precision limiting thread rolling wheel mechanism of a single crystal furnace, which comprises a shell and a movable pipe, one side of the shell is fixedly connected with a first flange, one side of the shell is fixedly connected with a second flange, one side of the second flange is movably connected with a spline shaft, and the spline shaft is fixedly connected with the movable pipe. And the outer wall of the spline shaft is fixedly connected with a limiting block. According to the high-precision limiting thread rolling wheel mechanism for the single crystal furnace, through the shell, the first flange, the second flange, the spline shaft, the limiting block, the connecting pipe, the thread rolling mechanism, the fixed teeth, the movable pipe and the limiting teeth, the thread rolling wheel mechanism is provided with a high-precision limiting mechanism, and therefore when the thread rolling wheel mechanism is used for mach