| 摘要 |
PURPOSE:To remove a molded article smoothly from the mold even when there is an undercut part, and at the same time, remove the molded article from the mold without deforming the molded article. CONSTITUTION:A sheet for forming 4 is put on a vacuum forming die 2 with a forming cavity 1. A molded article 4a is formed by the forming cavity 1 by vacuum-drawing from the forming cavity 1. A cavity part for outer periphery forming 10, Which forms the outer periphery of the forming cavity 1 is integrally provided on a vacuum forming die 2, and at the same time, at the part on the forming cavity 1 other than the cavity part for outer periphery forming 10, a movable insert 11 which is separated from the vacuum forming die 2 is provided, and the movable insert 11 is made to be vertically movable to the vacuum forming die 2. On the outer periphery of the cavity part for outer periphery forming 10, an undercut forming part B to form an undercut part A on the molded article 4a is formed. A knock out device 5 to knock out the molded article 4a after the forming of the molded article 4a and the movable insert 11 are linked. |
