| 摘要 |
PURPOSE:To obtain a sealing device in an automatic packaging machine which always keeps the sealer vertical by a mechanism in which the sealer executes a parallel and straight movement under the engaged condition of sealer in a certain interval. CONSTITUTION:Two pairs of D type dual cams in the upper and lower & the right and left directions are provided in two front and behind stages, standing toward the transfer direction of articles. The upper and lower sealers 30, 34 are stably supported by these four pairs of dual cams F1, F1, R1, R1, F2, F2, R2, R2. |
