US 2013/0307190 A1Published application

Mold clamping device and molded product ejecting method

AssigneeUbe Machinery Corporation, Ltd.

InventorKoji Nagatomi

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Abstract

Provided is a mold clamping device that saves a space, has a light machine weight and requires low manufacturing cost in an injection molding machine, a diecast machine, and the like. The mold clamping device includes: a stationary platen having a stationary mold; a movable platen having a movable mold; a plurality of tie bars supported by the stationary platen; end blocks provided in the same number as the tie bars, which is penetrated by the tie bars and coupled with the movable platen with toggle link mechanisms; split nuts supported by the end blocks and capable of being engaged with and disengaged from the tie bars; a mold opening-closing drive unit for opening and closing the movable platen, the end blocks, and the toggle link mechanisms; and a cross head for operating the toggle link mechanisms to generate a mold clamping force.

Claims8

Dependent claims

A mold clamping device comprising:

a stationary platen having a surface to which a stationary mold can be mounted;
a movable platen having a surface to which a movable mold can be mounted, and the surface to which the movable mold can be mounted faces the surface to which the stationary mold of the stationary platen can be mounted;
a plurality of tie bars supported by the stationary platen and passing through the movable platen;
a plurality of end blocks each comprising at least one of split nuts capable of being engaged with and disengaged from one of the tie bars;
a plurality of mold clamping toggle link mechanisms at least one of which is provided to each of the end blocks and which couple the end blocks with the movable platen;
a cross head provided coupled with the mold clamping toggle link mechanisms for stretching and contracting the mold clamping toggle link mechanisms;
a mold opening-closing drive unit for moving the movable platen in a mold opening-closing direction with respect to the stationary platen;
and
each of the end blocks being provided to each of the tie bars or provided to two or more adjacent tie bars of the tie bars.

6 more elements

Dependencies are inferred from the claim text.