Cutting edge replaceable crushing cutter head for shearing-type crusher

The utility model relates to a cutting edge replaceable crushing cutter head for a shearing-type crusher, which is characterized in that: the cutting edge replaceable crushing cutter head comprises a cutting edge (1), a cutter head body (2) and connecting screws (3); the cutter head body (2) is shaped like a ratchet wheel, the top surface of the cutter head body is a polyhedral plane, the cutter head body is provided with a lug boss, and an inner hole of the cutter head body (2) is a square or a polygonal hole; the joint surface of the cutting edge (1) and the cutter head body (2) is a plane and is provided with a matched wedge; and the cutting edge (1) is connected with the cutter head body (2) by connecting screws (3). The cutter head body and the cutting edge are made of two different materials, the cost is reduced, and the size of the cutting edge is also reduced, compared with the integral cutter head, the cutting edge replaceable crushing cutter head has higher thermal treatment hardenability, improves the hardness and wear resistance of the cutting edge, and also improves the service life; the user only needs to replace the damaged cutting edge without replacing the whole cutter head, so the pointless waste is reduced, the cutter head assembly has no need to be dismounted during replacement, the user only needs to dismount the damaged cutting edge, therefore the labor and time are saved and the replacement cost is reduced.