Classification of bag making machine and setting requirements of bag making process

There are two kinds of bag making machines: hot cutting bag making machine and cold cutting bag making machine. Their difference is mainly in the treatment method of the last knife, but they actually belong to one of the bag making machines. The common point is also quite obvious. They are all produced with barrel materials. There will be a heat sealing process before cutting bags, and vest bags can be produced.

The heat sealing and hot cutting bag making machine needs to heat seal a knife first, and then cut it. The cut edge is heat sealed, and the made vest bag is more secure. Generally, the heat sealing and hot cutting vest bag is used in supermarkets. The heat sealing and cold cutting bag making machine first heat seals a knife, and then cuts it with a cold knife. The cut edge is open. In addition to being used in the production of vest bags, the bag making machine can also be used in the production of flat bags because its cutting edge is open.

In comparison, the hot-dip bag making machine is more suitable for the hot-dip of plastic fiber and chemical fiber materials. The machine uses an electric heating cutter to automatically seal the incision after hot-dip without scattering and burring. At the same time, it also has the characteristics of automatic length fixing and automatic cutting, automatic operation control, high degree of automation, high speed, low energy consumption and low use cost.

In the process of using the hot-rolled bag making machine, because the film with good anti pollution heat sealing property is used to match it, the ionic resin can be selected because it has excellent anti pollution heat sealing property and will not deteriorate the product after being used for product packaging.

Sometimes the products of bag making machine will be brittle or brittle broken. The main reason is that the heat seal is too high and too large; The heat sealing time is too long; The edge of the upper part is too sharp; The silicon at the bottom is too hard; In the process of and aging, part of it infiltrates into the film, etc. Due to the influence of penetration, the toughness of the substrate decreases and the brittle fracture is improved.

In order to improve this problem, the appropriate processing and heat sealing time should be selected for the bag making machine according to the different materials of the inner sealing layer; And effectively improve the plane state of the upper heat sealing knife to make the surface flat; The silicon pad with appropriate hardness shall also be selected to ensure the quality of bag making.