Steel strip slitting device

The utility model relates to a steel belt slitting device which comprises a left machine frame, a guiding device is arranged on the left machine frame, a rectangular frame is arranged on the right side of the left machine frame, two transverse rods are fixedly connected to the inner wall of the rectangular frame, the rectangular frame is equally divided into three installation frames through the two transverse rods, and a conveying belt is installed in each installation frame. Through grooves are formed in the upper ends of the two transverse rods, the rectangular frame is fixedly connected with a shearing frame, the shearing frame is fixedly connected with a shearing roller arranged in the longitudinal direction, the shearing roller is coaxially and fixedly connected with two shearing discs corresponding to the through grooves in a one-to-one mode, and the lower edges of the shearing discs stretch into the through grooves. The shearing frame is fixedly connected with a shearing motor used for driving the she