Sealing machine is to fill with packaging containers to seal the machinery, in the product packaging containers, in order to enable the product to be sealed, maintain product quality, to avoid the loss of product, need to seal the packaging container, this operation is done on the sealing machine. The general sealing machine consists of a frame, a deceleration speed regulating transmission mechanism, a sealing printing mechanism, a conveying device and an electronic control system.
Generally according to the mechanical properties of packaging materials, it can be divided into the following two categories:
Flexible container Sealing
Flexible containers are containers made of flexible materials such as paper, plastic film and composite films. This kind of container is sealed more than the bag, the filling form the combine machine, rarely uses independently, because the material is different, its sealing device also is dissimilar.
① Paper Bag Sealing device: For paper materials, generally used in the sealing place brushing adhesives, and then apply mechanical pressure sealing.
② plastic film bag and composite membrane bag sealing device: The use of a good thermoplastic plastic bag or composite bag, generally used in the sealing place directly heating and mechanical pressure, so that the sealing fusion.
③ Cup type container sealing device. For example: The common soy milk cup, tea cup and so on. By heating the cup along with the membrane adhesion, so that the container seals.
Automatic Filling and Sealing machine
Mainly used for plastic cups, plastic boxes and plastic bottles of filler, the corresponding material composite film sealing products production. If frozen, juice, milk, yogurt, beverages, fast food and other materials filling and sealing. Can adapt to different viscosity of the liquid, slurry filler, can adapt to different shapes, capacity of the packaging container.
The general sealing machine consists of a frame, a deceleration speed regulating transmission mechanism, a sealing printing mechanism, a conveying device and an electronic control system.
Connect the power, the various agencies began to work, heating the heating elements after electricity, so that heated block up and down, and through the temperature control system to adjust to the required temperature, embossing wheel rotation, according to need cooling system began to cool, conveyor belt transfer, and by the speed adjustment device to adjust to the required velocity.
When the packing of the goods is placed on the conveyor belt, the sealing portion of the bag is automatically sent between the two sealing belts in operation, and bring into the heating zone, heat through the sealing tape transmission to the sealing part of the bag, so that the film heated melt soft, and then through the cooling zone, so that the film surface temperature appropriate descent, and then after rolling round (or print wheel) rolling, Make the sealing part up and down plastic film bonding and suppress the network pattern (or printed mark), and then by the guide rubber belt and conveyor belt will be sealed out of the packaging bag outside the machine, complete the sealing operation.
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