Patent attributes
A mold clamping system using mold opening and closing mechanisms to move a movable platen toward a fixed platen, engaging half nuts with engagement parts formed at tie bars, and using clamping cylinders to pull tie bars and clamp the mold, provided with position adjustment rods arranged on the opposite sides from the mold attachment surfaces of pistons of the clamping cylinders, a plurality of adjustment cylinders arranged, in parallel with the position adjustment rods, on the fixed platen or movable platen at the side where the clamping cylinders are arranged, and connection members connecting rods of the adjustment cylinders and the position adjustment rods, whereby the mold clamping system is shortened in overall length and simple mechanisms are used to control the position adjustment of the tie bars with a high precision.
