The apparatus for heat sealing of plastic film layers

The apparatus for heat sealing of plastic film layers

CN
  • CN 1,078,954 A
  • Filed: 10/09/1992
  • Published: 12/01/1993
  • Est. Priority Date: 10/09/1991
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of apparatus for heat sealing of plastic film layers comprises fixing seal bar and movable seal bar, and movable seal bar disposes with interval with respect to the said fixing seal bar;

  • And the feed mechanism at intermittence of plastic sheeting, it makes and is overlapped into the double-ply plastic sheeting and passes through between above-mentioned movable seal bar and said fixing seal bar, each certain-length of intermittently sending to, at once stop plastic film layers after sending to each intermittence, the driver train that also has movable seal bar, it just makes above-mentioned movable seal bar near the said fixing seal bar above-mentioned plastic film layers is held between the 2nd position that the 1st position P between above-mentioned movable seal bar and the said fixing seal bar and above-mentioned movable seal bar leave said fixing seal bar and above-mentioned plastic film layers in above-mentioned movable seal bar after at every turn the sending to of above-mentioned plastic film layers and moves back and forth, when above-mentioned plastic film layers stops at once, above-mentioned plastic film layers is clamped between above-mentioned movable seal bar and the said fixing seal bar also therefrom with the thermosealed device of above-mentioned plastic film layers, it is characterized in that, also be provided with computing machine, it can couple together above-mentioned plastic sheeting feed mechanism at intermittence and above-mentioned movable seal bar driver train the feed rate V of selected above-mentioned plastic film layers 0, above-mentioned plastic film layers send time T to 1, the actuating speed V of above-mentioned movable seal bar driver train 1, V 2And above-mentioned plastic film layers is carried out thermosealed time T according to above-mentioned movable seal bar is selected 2, can carry out programming control to above-mentioned plastic sheeting feed mechanism at intermittence and above-mentioned movable seal bar driver train, send time T at above-mentioned plastic film layers 1With the heat seal time T 2Between add wait time T 4, and can make T period of device therefrom 3Change.

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