Blowing Film Gravure Connecting Unit

◆ Blowing film gravure connecting unit

As a device that integrates blown film and printing functions, the Blowing film gravure connecting unit works in the same way as the core logic of the film blowing and printing integrated machine: first, the plastic particles are heated and melted, and then extruded into a thin film by the extruder through the die head. After cooling, the thin film directly enters the printing unit for intaglio printing processing. Throughout the entire process, a series of auxiliary equipment and transmission devices are required to ensure the continuity and stability of production. This is similar to the requirement for process continuity when the protective film blowing machine focuses on the production of protective films, except that the latter places more emphasis on the quality of forming a single film.

◆  The working principle of blowing film gravure connecting unit

After the plastic particles are heated and melted, the molten plastic is extruded into a film through the die head by an extruder. After cooling, the extruded film enters the printing unit for gravure processing. Throughout the process, it is necessary to ensure the continuity and stability of production through a series of auxiliary equipment and transmission devices.

◆  Our blowing film gravure connecting unit is mainly composed of extruder, die head, cooling roll, bending pipe, deviation correction device, winding machine and so on.

The extruder is the core part of the entire equipment, which through heating and rotation of the screw, the plastic particles are heated and melted and extruded into a film. This step is consistent with the extrusion molding process principle of the protective film blowing machine, both of which are key steps in the conversion of plastic melt into thin film.The die head is a key device used to control the thickness and width of the film, and the cooling roll is used to cool the extruded film to prevent its deformation and rupture. The bending pipe can adjust the flow direction of the film, so that it flows to the printing unit. The correction device can adjust the position of the film to ensure its reliable operation in the printing unit. The winding machine is to pick up the printed film, and do the marking and packaging.

◆  The blowing film gravure connecting unit has a wide range of applications in the packaging industry.

Its advantages are similar to those of film blowing and printing integrated machine. It can produce high-quality packaging film, because through gravure processing, the surface of the film can appear bumpy patterns and text, increasing the beauty and attractiveness of the packaging. This printing method can also increase the amount of information in product packaging, making it easier for consumers to identify and select products. Therefore, in the food, medicine, daily chemical products and other industries, blowing film gravure line has been widely used.

◆  There are still some problems that need attention in the production process of the blowing film gravure connecting unit.

First of all, it is necessary to control the temperature and pressure of the extruder to ensure that the plastic particles can be fully melted and successfully extruded. Secondly, equipment needs to be inspected and cleaned regularly to prevent the accumulation and blockage of plastic residue.

In addition, it is also necessary to adjust the assembly position and printing pressure of the die and plate according to the requirements of different products to ensure the high quality and consistency of the printing effect.

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