The utility model discloses a kind of
comminution cutting device on
cutting type water pump, including
cutting cutter,
cutting tool bit, pump body, motor rotating shaft,
impeller, fastening screw rod, blade and cutting edge, the
cutting tool bit is connected with motor rotating shaft by inlaying fastening screw rod, the surface of cutting cutter is with center as origin
annular array distribution has inner
ring cutter hole and outer
ring cutter hole, the water suction opening of pump body is provided with annular chute, cutting cutter is fixed in pump body by fastening screw, motor rotating shaft is locked after penetrating pump body with
cutting tool bit by fastening screw rod.The utility model cutting
tool bit is connected with motor rotating shaft by completely embedded fastening screw rod, screw rod outer surface is not protruding on
tool bit end face, from structure, eliminate long
fiber winding risk, guarantee equipment
continuous operation, cutting cutter is with center as origin annular distribution inner
ring cutter hole and outer ring cutter hole, form multilayer cutting area, cooperate the rotary motion of cutting
tool bit, significantly increase the contact frequency of sundries and cutting edge, improve
comminution efficiency.