The utility model relates to a broken bag homocline equipment of domestic waste flying shear, including frame, supplementary chain convey machine subassembly, bag breaking cutter subassembly, knife adjustment interval subassembly, sensing device and controller, the setting of supplementary chain convey machine subassembly is in the frame, and the bag breaking cutter subassembly sets up in the topof supplementary chain convey machine, and knife adjustment interval subassembly sets up in one side of bag breaking cutter subassembly and is connected with the bag breaking cutter subassembly, and the sensing device setting is at the opposite side of bag breaking cutter subassembly, the controller setting in the frame and with knife adjustment interval subassembly, sensing device bag breaking cutter 4, knife adjustment interval subassembly includes clearance adjustment hydro -cylinder and adjustable bag breaking cutter subassembly base, and the one end and the adjustable bag breaking cuttersubassembly base of clearance adjustment hydro -cylinder are connected, and the other end is connected with the frame, every knife adjustment interval subassembly corresponds a bag breaking cutter subassembly. The utility model has the advantages of being simple in structure and convenient in operation, distance between bag breaking cutter subassembly and the supplementary chain convey machine subassembly is adjusted with protective apparatus to accessible knife adjustment interval subassembly.