Machining blade edge sharpening clamp

The utility model discloses a mechanical processing blade edge grinding clamp, comprising a self-round rotary platform arranged on a base, a double-face positioning block with troughs arranged on the semi-round rotary platform; the double-face positioning block is provided with a cutter pressing block and a blade fastening screw; the troughs of the double-face positioning block are internally provided with a cutter pad; the half-round rotary platforms at two sides of the double-face positioning block are provided with a fastening screw backing trough which is internally provided with a fastening rotary screw. The utility model can save the loss of the blade, and replace the special grinding cutter equipments, and process and grind the blade with normal flat grinding by replacing the cutter pad according to the shapes and dimensions of the blade, and has the advantages of convenient and simple use, and being easy to be operated, good consistency of grinded blade and ensuring the application precision by adjusting the angles according to the requirement of the users.