ABA cast film manufacturing equipment and manufacturing method

Abstract

The invention relates to the technical field of cast film production, in particular to ABA cast film manufacturing equipment. The equipment comprises a machine frame, a fusing mechanism, a tape casting mechanism, a cutting mechanism and an edge material reuse mechanism, wherein the edge material reuse mechanism comprises a transmission part, a section cutting part and a mixing part; the transmission part comprises a plurality of guide rollers and a lead-in assembly; the mixing part comprises a mixing cabin, a storage part and a mixing assembly; the storage part is used for new material discontinuous quantitative lead-in; the mixing assembly is used for fixed ratio mixing of edge material sections and the new materials; the edge materials and the new materials are in contact mixing in the mixing region and are then transferred; meanwhile, the new materials are covered inside the edge materials to form a mixing unit by the edge material sections; then, the materials enter the fusing mechanism for liquification treatment; through the lead-in assembly, the edge materials are subjected to quantitative transmission; the section cutting part is controlled to perform equal distance sectioncutting treatment; then, the bonding proportioning of the mixing assembly and the edge material section in a way of coating the new materials by the edge material sections by using the mixing assembly is realized; the technical problem of easy delamination in the fusing process of the edge materials and the new materials in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of casting film production, in particular to an ABA casting film manufacturing equipment and a manufacturing method. Background technique [0002] Cast film has been widely used in production and life, such as seedling film used in agriculture, seedling planting boxes and bubble packaging film in construction, etc.; during the production process of cast film, the offcuts will be processed online After cutting, it should be mixed with virgin material at a ratio of not more than 10% and reused again. However, due to the lighter side material, the side material and the new material will be separated during the mixing process, resulting in poor quality of the cast film due to uneven mixing. Difference. [0003] For the ABA film with multiple layers and different performance characteristics, the side material is recycled to form an outer film. In order to reduce production costs, the side material is reused when...

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Problems solved by technology

[0002] Cast film has been widely used in production and life, such as seedling film used in agriculture, seedling planting boxes and bubble packaging film in construction, etc.; during the production process of cast film, the offcuts will be processed online After cutting, it should be mixed with virgin material at a ratio of not more than 10% and reused again. However, due to the lighter side material, the side material and the new material will be separated during the mixing process, resulting in poor quality of the cast film due to uneven mixing. Difference

[0003] For the ABA film with multiple layers and different performance characteristics, the side material is recycled to form an outer film. In order to reduce production costs, the side material is reused when the mass ratio of the side material to the new material is not greater than 1 / 9. , thus reducing the premise of ensuring the quality of cast film, reducing the generation of production waste, and reducing production costs; The material is a membrane structure with light weight and large surface area. Compared with the granular structure of the virgin material, it is easy to float during the melting process, thus forming a layering of the new material and the edge material, resulting in a decrease in the uniformity of the casting solution. Technical problems leading to poor cast film quality

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