Die clamping device for injection molding machine
AssigneeFanuc Corporation
InventorsTatsuhiro UCHIYAMA, Naruhiro NISHIMURA, Masatoshi SENGA
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Abstract
A die clamping device for an injection molding machine comprises: a ball screw that is rotated by a motor; a crosshead that is disposed between a rear platen and a movable platen and moves along the axial direction of a tie-bar via the rotation of the ball screw; a toggle link that moves along the axial direction of the movable platen in accordance with the movement of the crosshead; and a crosshead pressing mechanism that presses the crosshead such that the crosshead moves toward the rear platen side.
Claims7
A mold clamping device of an injection molding machine, the mold clamping device comprising:
- a stationary platen configured to hold a fixed mold;
- a rear platen;
- a plurality of tie bars configured to connect the stationary platen and the rear platen;
- a movable platen disposed between the stationary platen and the rear platen, and configured to hold a movable mold in a manner so that the movable mold and the fixed mold face each other, the movable platen being movable along an axial direction of each of the tie bars;
- a ball screw configured to be rotated by a motor;
- a crosshead disposed between the rear platen and the movable platen, and configured to be moved along the axial direction by rotation of the ball screw;
- a toggle mechanism configured to move the movable platen along the axial direction in accordance with movement of the crosshead;
- and
- a crosshead pressing mechanism configured to press the crosshead in order for the crosshead to move toward the rear platen.
Dependencies are inferred from the claim text.