What are the types of thermoforming packaging machines and their applications?
Thermoforming packaging machines can be divided into a variety of models according to the structure layout, the shape and size of the packaged objects, and the level of productivity.
1. High-speed horizontal thermoforming packaging machine
After the plastic film is radiated and heated by the heater 2, it is formed into a blister container on the vacuum drum, and is cooled during the movement. The material is filled after passing through the hopper, and then it is heat-sealed with the aluminum foil at the heat-sealing roller. Then move through the tensioning wheel and the bridge wheel to the punching part for cutting, the finished product is output, and the remaining material is rolled up and recycled by the roller. The hot but blanking of this machine is performed intermittently, so a tensioning wheel is set. Over-forming, charging and heat sealing are all performed in continuous motion, but the blanking is performed intermittently. Therefore, a tensioning wheel is set. The bridge wheel acts as a buffer zone. The working speed of this packaging machine can reach 7m/min, and the packaging material speed can reach 3000 grains/min, which is suitable for large-scale packaging of a single variety.
2. Stepping large container thermoforming packaging machine
Film heating-stretch forming-filling material-heat sealing (can be pumped or inflated and then sealed)-punching-output product-reclaim the rest of the packaging material.
3. Vertical small thermoforming packaging machine
Vertical small thermoforming packaging machines belong to this type as well as the domestic LSB-1 type. The working procedure of this packaging machine is: thermoforming, filling and heat sealing one to one punching, which combines thermoforming, filling and heat sealing. The forming roller and the heat-sealing roller are directly opposed to each other, and there is a feeding hopper above the two rollers for charging. Therefore, this packaging machine has a compact structure, a small footprint and high production efficiency. This is also the characteristic of the vertical packaging machine.
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