The invention relates to a hub core box manufacturing device and belongs to the technical field of casting and modeling equipment. The hub core box manufacturing device solves the problems that duringexisting hub core box manufacturing, the core manufacturing efficiency is low, core discharging is difficult, and decentration exists. The hub core box manufacturing device comprises a supporting main frame, and the top of the supporting main frame is provided with a sand bin and an ammonia blowing bin; the sand bin is connected with a sand shooting device through a pipeline; the ammonia blowingbin is connected with an ammonia blowing device through an ammonia entering pipe; the sand shooting device and the ammonia blowing device are both arranged on a left-right moving device which is arranged on the supporting main frame; a core box mold is arranged on the lower portions of the sand shooting device and the ammonia blowing device, and is arranged on the supporting main frame; and a corebox eject-out device is arranged below the core box mold.