| 摘要 |
A blow nozzle for a core mold is provided to prevent direct contact of a nozzle cover and casting sand by installing a blower hole closing/opening unit on the bottom of a nozzle body. A blow nozzle(100) for a core mold installed inside a blower plate which is mounted on an upper side of the core mold, fills casting sand inside the core mold. The blow nozzle comprises the followings: a blower hole(101) formed according to a longitudinal direction; a screw thread(103) formed on an outer circumference of the bottom part; a nozzle body(105) in which a jaw is formed according to an inner circumference; a blower hole opening/closing unit(110) opening and closing the blower hole; and a nozzle cover(150) inserted into the bottom of the nozzle body. |
