STRUCTURE OF MOLD FOR MOLDING FOAMED RESIN, METHOD FOR REPLACING MOLD, AND METHOD FOR REPLACING MOLD OF FOAMED RESIN MOLDING MACHINE HAVING THE STRUCTURE OF MOLD

摘要

PPROBLEM TO BE SOLVED: To simply and quickly replace a mold for foaming to correspond to the production of a variety of products in small amounts. PSOLUTION: The mold 1 comprises male and female molds, a master frame 2 for holding the mold attachably/detachably, a steam chamber frame 3 for forming a steam chamber 9 by being joined airtightly to the master frame, a back plate 8 which airtightly closes an opening 31 formed to face the mold 1f in one steam chamber frame 3f contactably/separably with/from the steam chamber and is fitted integrally to the mold 1f, a raw material packing device 10 penetrated/held in a part exposed from the inside of the opening of the back plate, and a mold release pin 11. In mold replacement, the back plate holding the raw material packing device and the mold release pin are integrated with the mold on one side, and the male and female molds are handled while being joined together, so that the molds are joined/separated together with the master frame to/from the steam chamber frame. The steam chamber frame and the master frame are joined together airtightly by an automatic clamp mechanism 4. PCOPYRIGHT: (C)2004,JPO