Felt product sealing gasket cutting tool

The utility model discloses a felt product sealing gasket cutting-up tool which comprises an inner punching cutter and an outer punching cutter. The outer punching cutter wraps and sleeves the inner punching cutter, a punching blade is arranged at the bottom of the outer punching cutter, an annular cushion accommodating cavity is formed between the inner diameter surface of the outer punching cutter and the outer diameter surface of the inner punching cutter, and the outer punching cutter at the cushion accommodating cavity is provided with an air blowing through hole. The sealing gasket is cut out by punching blades at the bottoms of the inner punching cutter and the outer punching cutter and located in the gasket containing cavity, during punching, air in the gasket containing cavity is exhausted from the air blowing through hole after being pressed and does not press the two sides of the sealing gasket to deform and overflow, it is guaranteed that the punching face of the sealing gasket is in a vertical sh