The invention discloses a B2-type diamond coating blade-based machine clamp type forming milling cutter head which comprises a cutter head (1) and a plate hub (8) arranged in the center of the cutter head (1), wherein the center of the plate hub (8) is provided with a spindle hole (9); the inner wall of the plate hub (8) is provided with a key slot (9) along the axial direction; the outer edge of the circumference of the cutter head (1) is evenly provided with at least four mounting grooves (5); each mounting groove (5) is internally provided with a wedge block (2) and a diamond coating blade (4) which are connected in a detachable way; and one side surface of the wedge block (2) is contacted and matched with the front cutter surface of the diamond coating blade (4) in an ejecting way. According to the technical scheme, the machine clamp type forming milling cutter head adopts the hard alloy diamond coating blade, thus being good in wear resistance and long in service life, and being used for milling various high-hardness non-ferrous metal-matrix composite materials; and the machine clamp type forming milling cutter head is convenient to clamp, adjust and exchange, and greatly shortens the production auxiliary time.