Cutting device of flexible sheet profile

The invention discloses a cutting device of a flexible sheet profile. The cutting device comprises an upper fixing frame, a movable frame and a lower fixing frame which are arranged in parallel, wherein the upper fixing frame is arranged above the movable frame, the movable frame is arranged above the lower fixing frame, upper fixing frame through holes are formed in the edge of the upper fixing frame through the thickness of the upper fixing frame, movable frame through holes are formed in the edge of the movable frame through the thickness of the movable frame, guide columns are fixedly arranged on the lower fixing frame, the guide columns penetrate through the through holes of the movable frame and the through holes of the upper fixing frame and are movably connected with the movable frame and the upper fixing frame, a blade is arranged at the bottom of the upper fixing frame, an included angle is formed between the sharp edge line of the blade and the horizontal line, the movable frame is provided with a