The utility model relates to a make the cutting means of sealed cushion by hand, specifically speaking is a sealed tools that fill up. A sealed pad edge is coarse, and the precision is poor that is used for the sealed pad of pipeline, equipment connecting piece of a great variety, utilizes the existing tools preparation. The utility model discloses technical scheme includes location cylinder, handle, locating cone, slide bar, saddle, cutter, but location cylinder top is equipped with the handle of pivot, the locating cone is equipped with in the spout at location cylinder bottom center, the one end vertical fixation of slide bar is at the lateral part of location cylinder, and on the saddle cover was equipped with the slide bar, the bottom of saddle was equipped with the blade slot, and the cutter is equipped with in the slot interpolation. This device simple structure is reasonable, and convenient to use is nimble, and can be based on and treat the sealed size quick adjustment knife rest position of filling up of processing, the cutting fluent movements, the cushion shape of processing rule, the edge is level and smooth, and precision and yield are high, have improved work efficiency by a wide margin, have shortened the engineering time.