VACUUM FORMING MOLD FOR REFRIGERATOR INNER CASE

摘要

An objective of the present invention is to provide a vacuum forming mold for a refrigerator inner case, the vacuum forming mold which is capable of reducing mold manufacturing time according to manufacturing of the mold by replacing blocks for common parts with blocks for different parts easily and compatibly according to models of the refrigerator inner case, and using the replaced blocks. The vacuum forming mold of the present invention, as the vacuum forming mold for the refrigerator inner case which forms a softened sheet into a shape of the refrigerator inner case, comprises a main block which has the shape of the refrigerator inner case, blocks which are protruded from an outer circumferential surface of the main block to form undercut portions, and a block driving unit which is installed in the main block to insert and extract the blocks. The block driving unit includes: a base part; support members which are installed in the base part; a rotating plate which is installed in the support member such that the rotating plate is moved forward and backward by horizontal guide members; the blocks which are installed in the rotating plate by a fixing unit such that the blocks are inserted into or extracted from the main block; an inserting and extracting unit which is installed in the base member to insert or extract the rotating plate in a lateral direction of the main block; and a position determining unit including at least two position determining pins which are installed in the rotating plate to separate the blocks and fix positions of the blocks with respect to the rotating plate, and which are connected to the rotating plate by interconnection pieces such that the position determining pins are moved forward and backward at the same time, a second actuator which is installed in the rotating plate to move the position determining pins forward and backward, and a position fixing block having a plurality of position combining parts installed in the blocks such that the position combining parts and the position determining pins are optionally operated.;COPYRIGHT KIPO 2017