A CORE SAND SHOOTING HEAD OF A MACHINE FOR MAKING MOULD CORES AND HALF-MOULDS

摘要

A core sand shooting head of a machine for making mould cores and half-moulds comprising; a housing having a cover plate and double lateral walls, the cavity between the walls being used as receiver for compressed air, a core sand shooting pipe mounted in the internal cavity of said housing and provided with slots to let compressed air therein; said core sand shooting pipe being of an elongated shape in a cross section; delivery valves mounted in the lateral walls of said housing along the both relatively along walls of said pipe and adapted to supply compressed air from said receiver into the internal cavity of said housing to the slots of said pipe; a feed hopper mounted on the cover plate of said housing over said core sand shooting pipe, said hopper being in communication with the latter through a feed opening made in the cover plate of said housing; common drive means of said delivery valves; a shutter which is adapted to shut off said feed opening in the cover plate of said housing.