Method for manufacturing casting moulds, apparatus for carrying out said method, and apparatus for filling moulding sand into packing frame and moulding box

The inventions relate to the field of foundry work, and specifically to the technology and equipment for manufacturing sandy-argillaceous casting moulds using an air-impulse moulding-sand compaction method in combination with compaction by pressing. In order to increase the accuracy and reduce the defectiveness of the castings and to increase the metal content of the moulds, the air-impulse compaction of the sand, which fills a packing frame containing a moulding box in layered form, is supplemented by compaction of the sand by pressing, which is carried out by a pattern plate containing patterns by means of moving the plate within the cavity of the packing frame in the direction of a meshed pressing element, to which a counterpressure force, corresponding in magnitude to a specified compaction level of the half-moulds, is applied. The method is realized by an apparatus in which the pattern plate containing patterns is mounted so as to be movable in a reciprocating manner in the cavity of the packing frame, a