PACKAGING MACHINE
To prevent an overflowing liquid from flowing into a lifting cylinder even if the liquid overflows from an opening of a packaging bag.SOLUTION: A packaging machine 10 includes a lower block 31 provided on a chamber base 21 in a vertically movable manner and on which the opening periphery portion of...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To prevent an overflowing liquid from flowing into a lifting cylinder even if the liquid overflows from an opening of a packaging bag.SOLUTION: A packaging machine 10 includes a lower block 31 provided on a chamber base 21 in a vertically movable manner and on which the opening periphery portion of the packaging bag can be placed, an upper block 32 provided below a chamber cover 22 and above the lower block 31, a heater 33 provided on the lower block 31 and welding the opening periphery portion of the packaging bag, and a lifting mechanism 34 that lifts and lowers the lower block 31. The lifting mechanism 34 includes a support shaft 35 for supporting the lower block 31 in a vertically movable manner, and a lifting cylinder 36 having an insertion hole 38e for causing the support shaft 35 to protrude upward and moving vertically the support shaft 35. An annular protrusion 38f protruding upward at an outer circumference of the insertion hole 38e is formed at an upper portion of the lifting cylinder 36.SELECTED DRAWING: Figure 5
【課題】包装袋の開口から液体が溢れ出たとしても、溢れ出た液体が昇降シリンダ内に流入しないようにする。【解決手段】包装機10は、チャンバベース21に上下動可能に設けられて包装袋の開口周縁部を載置可能な下側ブロック31と、チャンバカバー22の下面にて下側ブロック31の上側に設けられた上側ブロック32と、下側ブロック31に設けられて包装袋の開口周縁部を溶着させるヒータ33と、下側ブロック31を昇降させる昇降機構34とを備え、昇降機構34は、下側ブロック31を上下動可能に支持する支持シャフト35と、支持シャフト35を上方に突出させるための挿通孔38eを有して支持シャフト35を上下動させる昇降シリンダ36とを有し、昇降シリンダ36の上部には挿通孔38eの外周部に上方に突出する環状突部38fを形成した。【選択図】図5 |
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