MOLD CLAMPING DEVICE OF HOLLOW MOLDING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a mold clamping device of a hollow molding machine equipped with a toggle device large in the ratio of mold opening and closing stroke quantity to drive stroke quantity and well biting off a burr part and capable of steplessly adjusting mold thickness. SOLUTION: A rear mold attaching plate 4 and a mold clamping housing 5 are provided between a rear mold attaching plate 1 and a rear plate 2 connected by a tie bar 3 in a before and behind movable manner through the tie bar 3 and the toggle links of a double toggle apparatus 6 are attached to the rear mold attaching plate 4 and the mold clamping housing 5 and a synchronizing device 25 is attached to the rear mold attaching plate 4 and the rear plate 2 and the mold thickness adjusting screw member 22 threaded with a mold thickness adjusting screw 21 processed to one end of the tie bar 1 is attached to the mold clamping housing 5 in a rotatable manner and the toggle links and the mold thickness adjusting screw member 22 are driven by an electromotive motor.