| 摘要 |
Apparatus for opening and closing mold arms in a glassware forming machine, in accordance with another aspect of the present disclosure, includes a gearbox for mounting on a glassware machine frame, a cylinder housing suspended beneath the gearbox, and a mold open/close cylinder disposed within the cylinder housing. The cylinder has a mold open/close piston with an extending piston rod and a gear rack machined or otherwise formed in the piston rod. Drive gears couple the gear rack to operating shafts on which the mold arms are mounted for moving the mold arms between open and closed positions. A mold close boost cylinder within the cylinder housing has a mold close boost piston operatively coupled to the piston rod and the gear rack. A mold close boost air supply on the cylinder housing supplies air to the boost cylinder and functions through the mold close boost piston, the piston rod and the gear rack to assist the mold open/close cylinder in holding the mold arms in the closed position. |
