| 摘要 |
PURPOSE: To provide a two-folded type apparatus for opening and closing a mold for blow molding and stretching-blow molding. CONSTITUTION: A two-folded type apparatus for opening and closing a mold for blow molding and stretching-blow molding used for a container made of a plastic material comprises a fixed shaft 4 supporting two rotatable mold semi-divided body 3, two driving arms 9 with one end povited with the two mold semi-divided body 3 in the region of both sides of the shaft 4, a freely rotatable roller 16 mounted on a roller carrying shaft in parallel to the shaft 4, a guiding cam for moving vertically a roller to the shaft 4 and a link means for connecting the roller with the other ends of two arms 9. In addition, the link means comprises link rods 13 and 14 on one end of which the shaft is supported and a shaft 10 connected with another end of the arm 9 and with another end mounted on a shaft 15 being parallel to the shaft 4 and the link rods are extended approximately in the transverse direction to the shaft 4 and a plane M contg. the shaft 10. |
