公开(公告)号：US20180264542A1

公开(公告)日：2018-09-20

申请号：US15605332

申请日：2017-05-25

Applicant: CITIC Dicastal CO.,LTD

Inventor： Kaiqing WANG ,  Gui WANG ,  Peng ZHOU ,  Changhai LI ,  Yongwang ZHAO

IPC: B22C9/06 ,  B22C9/28

CPC classification number: B22C9/067 ,  B22C9/28

Abstract: The invention discloses a cast wheel mold cavity exhaust device, includes a bottom mold, a side mold, a top mold, an upper exhaust pin and a lower exhaust pin. A boss is provided on the bottom mold corresponding to the window molding part of a wheel, a groove cavity is provided on the top mold corresponding to the boss, a step hole is provided on the boss of the bottom mold, and the lower exhaust pin is installed in the step hole.