Patent ID: 8747095

Claim:
A mold clamping mechanism for performing closing/opening and clamping of a mold attached to a mold platen in an injection molding machine, the mold clamping mechanism comprising: a mold platen stiffness adjusting plate detachably attachable to the mold platen at a mold attachment surface of the mold platen; wherein said mold platen stiffness adjusting plate is provided, at a mold attachment surface of said mold platen stiffness adjusting plate, with mold attachment elements that have the same shapes and are arranged on the same places as mold attachment elements provided on the mold platen at the mold attachment surface of the mold platen, when the mold platen stiffness adjusting plate is attached to the mold platen, the mold is attachable to the mold platen stiffness adjusting plate at the corresponding mold attachment elements of the mold platen stiffness adjusting plate, and when the mold platen stiffness adjusting plate is not attached to the mold platen, the mold is attachable to the mold platen at the corresponding mold attachment elements of the mold platen.