Mold clamping device and injection molding machine

An injection molding machine comprising:

• an injection device configured to inject a resin;
• and
• a mold clamping device configured to clamp a mold,
• wherein the mold clamping device comprises:
• a fixed platen fixed to a bed;
• a mold clamping housing configured to be slidable on the bed;
• a movable platen configured to be slidable on the bed between the fixed platen and the mold clamping housing;
• a plurality of tie-bars connecting the fixed platen and the mold clamping housing and penetrating the movable platen;
• a mold clamping mechanism provided between the mold clamping housing and the movable platen;
• a linear guide provided with the movable platen and configured to slide with respect to the bed;
• and
• a tie-bar guide bush provided with the movable platen and configured to slide with respect to the tie-bar,
• wherein, in the movable platen, the tie-bar guide bush is provided for the tie-bar disposed only in an upper portion among the plurality of tie-bars, and
• wherein the tie-bar guide bush is a part of a hollow cylinder having a C-shaped cross section in a radial direction, and is in contact with a lower side of an outer circumference of the tie-bar.