Fecha de publicación: 30/06/2023 Fuente: WIPO "circular economy" The invention discloses a metal die casting die-casting machine demolding device, and relates to the technical field of die-casting machines, the metal die casting die-casting machine demolding device comprises a workbench, the top of the workbench is fixedly connected with a lower mold, and the workbench is provided with a demolding mechanism; and the demolding mechanism comprises a motor, a rotating rod, an eccentric wheel, a first fixing plate, a knocking rod, a spring, a threaded rod, a first belt wheel, a threaded sleeve and a push plate, the motor is fixedly installed at the bottom of the inner wall of the workbench, and one end of the rotating rod is fixedly connected with a coupler of the motor. The motor is arranged to drive the rotating rod to rotate, the eccentric wheel, the knocking rod and the spring are arranged to knock the two sides of the lower die, so that the inner wall of the lower die and the outer wall of the die casting are knocked to be loose, and the first belt pulley, the threaded rod, the threaded sleeve and the push plate are arranged to push the die casting after die casting out of the lower die. Scalds caused by manual taking of workers are avoided, meanwhile, the taking efficiency can be improved, and the working efficiency is improved.