Blow molding apparatus making e.g. plastics containers, has inflation station(s) each with mechanism moving inflation nozzle between retracted position and position adjacent neck of preform

摘要

A blow molding machine has station(s) for inflating a preform (16). Each station has a mold (12) for engaging a preform so its neck (18) extends outside the mold and a mechanism guiding an inflation nozzle between a retracted position and an inflation position adjacent either the mold or the preform neck. A blow molding machine has a mechanism guiding an inflation nozzle. The mechanism has an actuator acting on one end of a first lever whose other end is hinged to the nozzle. The one end also co-operates with a fixed point. Preferred Features:The actuator may be a jack (58). The first lever may be two levers in parallel. The one end of the first lever is coupled to either a slide block or a second lever whose other end is pivoted to a fixed point.