Part punching machining die

The utility model discloses a part punching machining die which comprises a lower base plate installed on the upper surface of a base, an upper base plate installed on the lower surface of a top plate and a material belt located between the lower base plate and the upper base plate, and the material belt capable of moving forwards intermittently is provided with a plurality of forming areas arranged at intervals in the length direction of the material belt. At least two scraping cutters are arranged in front of the forefront male die or female die and located in the advancing direction of the material belt at intervals, the cutter edge contours of the at least two scraping cutters are gradually reduced inwards in the advancing direction of the material belt, and the cutter edge contour of the rearmost scraping cutter is slightly smaller than the contour of a preformed part. And the contour of the edge of the foremost scraping cutter is consistent with the contour of the part. By means of intermittent movement