The grapple puts the dismantled sofa mattress on the chain conveyor, which is evenly and continuously transported to the shredder for tearing and shearing, and the crushed small pieces of materials are output by the discharging belt conveyor, then compressed and packaged, and transported away by the transfer truck for terminal disposal. Above the discharging belt machine, there is an iron remover responsible for adsorbing iron substances and sending them into the metal collection box for recycling. The whole set of production line is equipped with professional dust removal system, which can efficiently dispose of the dust generated during the crushing process without secondary pollution.