The utility model relates to a heating device for a plurality of large iron molds and models with different cavities, and belongs to the field of machinery. The device comprises a movable trolley, a movable trolley track, a grabbing type
manipulator mechanism and a fixed trolley
heating furnace, the movable trolley is arranged on the movable trolley track, and the grabbing type
manipulator mechanism grabs and moves an iron mold and a model from the movable trolley to a heating trolley of the fixed trolley
heating furnace; the grabbing type
manipulator mechanism comprises a moving trolley, a moving track frame, a moving trolley track, a lifting movable beam, a
hydraulic cylinder, a mechanical gripper, a guide rod and a stand column, the moving trolley is arranged on the moving trolley track, and the moving track frame is arranged on the stand column; the moving trolley is provided with a
hydraulic cylinder which ascends and descends synchronously, the
hydraulic cylinder is connected with a lifting movable beam, the lifting movable beam is provided with four guide rods, and two mechanical
grippers are installed on the bottom face of the lifting movable beam. The device is reliable in operation, convenient to install, low in maintenance cost, high in
automation degree and smooth in technological process, and meets the use requirements.