With the improvement of consumer level and the rapid changes in the information age, domestic internet celebrities or emerging domestic brands are shining brightly, and the trend of the packaging industry is also changing. With the development of the packaging industry, bagged packaging is also divided into many types. Commonly used small bag packaging, medium bag packaging, and large bag packaging. Small bag packaging generally requires a large amount and is produced using automatic production lines. The production of medium bag packaging and large bag packaging is relatively small, and some can be completed using semi-automatic or automatic packaging. Semi automatic packaging is generally usedVertical sealing machineThe vertical sealing machine is designed as a sealing device for packaging bags that are too large to be easily overturned. The sealing length and height can be adjusted and are suitable for use on production lines. Vertical sealing machines can be equipped with suction or inflation functions according to customer needs to achieve different packaging effects.