Upper tool apron of rhombic scissors and rhombic scissors with upper tool apron

The utility model relates to an upper tool apron of diamond scissors and the diamond scissors, a plurality of striker plates are arranged at the bottom of the upper tool apron, and the striker plates downwards protrude out of the bottom surface of the upper tool apron; the striker plate is adjacent to the upper transverse cutter, and the striker surface of the striker plate downwards protrudes out of the shearing edge of the adjacent upper transverse cutter; the material blocking plate is parallel to the feeding direction of the plates. The material blocking face of the material blocking plate is flush with the upper longitudinal cutting edge of the adjacent upper longitudinal cutter or protrudes towards the direction of the lower cutter holder. A pair of diamond scissors comprises a rack, an upper tool apron and a lower tool apron. During shearing, the striker plate firstly reaches a material block shearing area and is blocked on the edge of a material block to be sheared, so that when the upper tool apron i