MALE SAND FILLING DEVICE AND MALE SAND FILLING METHOD ON MALE MANUFACTURING MACHINE

摘要

Patent Summary: "Male Sand Filling Device and Male Sand Filling Method in Male Fabricating Machine". The present invention relates to a core sand filler in an undercut type blow molding machine wherein the core sand is blown from a lower part of a core box to an upper part of the core box. Male the male sand filler includes the core box, a blow head that is placed below the core box to move up and down relative to the core box and divided into a chamber sand blasting chamber and a sand storage chamber that are communicatively connected to each other, a compressed air supply unit that is communicatively connected to the sand storage chamber and supplies compressed air to the sand storage chamber , an aeration air supply unit which is communicatively connected to the sandblast chamber and supplies aeration air to the sandblast chamber for suspending and fluidizing the core sand within the sandblast chamber and an exhaust valve which is communicatively connected to the sandblasting chamber and expels the remaining compressed air into the sandblasting chamber. 19911701v1