Barbell disc injection molding mold

The barbell disc injection molding mold comprises a spraying bin, an installation plate is installed at one end of the spraying bin, an installation supporting groove is formed in the side, in the spraying bin, of the installation plate, a sub mold is installed on the side, away from the installation plate, of the installation supporting groove, a discharging opening is formed in the bottom of the spraying bin, and a discharging opening is formed in the bottom of the spraying bin. A fixing seat is mounted at the end, away from the mounting plate, of the interior of the spraying bin, a pneumatic cylinder is mounted in the middle of the end, close to the mounting plate, of the fixing seat, a mother mold is mounted at the other end of the pneumatic cylinder, and the mother mold is matched with the child mold in structure. According to the utility model, the slurry outlet pipes and the flow guide pipes are arranged, so that uniform filling is realized, the filling efficiency is improved, the processing period of