Hollow glass anti-cracking cutting device

The hollow glass anti-cracking cutting device comprises a machining table, the upper end of the machining table is fixedly connected with two vertical blocks which are arranged in a left-right spaced mode, the opposite sides of the two vertical blocks are each provided with a longitudinal sliding groove, and a sliding rod is jointly and fixedly connected between the front inner wall and the rear inner wall of each longitudinal sliding groove; a movable transverse plate is jointly and slidably connected into the two longitudinal sliding grooves, the two sliding rods penetrate through the movable transverse plate and are slidably connected with the movable transverse plate, a movable notch is transversely formed in the movable transverse plate, and a first threaded rod is jointly and rotatably connected between the inner walls of the left side and the right side of the movable notch; a rectangular moving block is slidably connected between the front inner wall and the rear inner wall of the moving notch, and th