Hydraulic type backstop of injection molding machine

摘要

(57) Abstract Objective Security is raised. Constitution As for cam valve 14, open state smell of safe door 4As for the te being able to push up the Simultaneous Peripheral Operation On-Line with spring 14b, closing shirinPipe arrangement 7 of da 1 is cut off. Because of this, closing cylinderMaking 1 expand, closing it to be possible to make move movable head 2,It is. When safe door 4 is closed, as for dog 12, arm 15 mediating/helpingDoing, you push down lever 14a, cut cam valve 14 exchangingObtaining, you open pipe arrangement 7. In this state movable head 2 closing movementIt can do se ru thing. Dog 12 and arm 15 and the like brokeWhen, movable head 2 closing is made to move with the closed state of safe door 4 denselyWith becomes impossible, but completely there is no danger.