A flexo printing machine automatic roll change continuous lamination equipment

Abstract

The invention relates to a flexo printing machine automatic roll changing and continuous film coating equipment, which includes a frame, a film coating assembly, and an automatic roll changing part; The part includes a support frame, a mounting frame, a roll changing assembly, a film changing assembly and a control mechanism; the device pastes the new protective film on the unwinding roller to the protective film on another unwinding roll through the film changing assembly. The automatic roll change of the protective film is realized at the tail, and the position of the two unwinding rollers after the film change is reversed by the roll changer assembly to prepare for the next film change. The efficiency and quality of the coating is improved, and the automatic roll change of the protective film is realized through the film changing module to maintain the continuity of the coating during the flexo printing process.

Description

technical field [0001] The invention relates to the field of film coating, in particular to a continuous film coating equipment with automatic roll change for a flexo printing machine. Background technique [0002] Flexo printing is a direct printing method. It is called flexographic printing because of the use of elastic, raised image printing plates. The printing plate of the flexographic printing plate is fixed on the printing plate cylinder. Roller ink supply; In the process of flexo printing, in order to protect the surface of the flexo printing product, it is necessary to cover the surface of the flexo printing product. The protective film is pasted on the cardboard after flexo printing through the laminating device, and the protective film is passed through unwinding The roller is unwinding and conveying. When the protective film on the unwinding roller is used up, it needs to be replaced. However, flexo printing and lamination are an integral working process, so if a...

AI Technical Summary

Problems solved by technology

[0002] Flexo printing is a direct printing method. It is called flexographic printing because of the use of elastic, raised image printing plates. The printing plate of the flexographic printing plate is fixed on the printing plate cylinder. Roller ink supply; In the process of flexo printing, in order to protect the surface of the flexo printing product, it is necessary to cover the surface of the flexo printing product. The protective film is pasted on the cardboard after flexo printing through the laminating device, and the protective film is passed through unwinding The roller is unwinding and conveying. When the protective film on the unwinding roller is used up, it needs to be replaced. However, flexo printing and lamination are an integral working process, so if a new protective film needs to be replaced, the machine must be shut down for operation. , This will waste the working time of the equipment and reduce the work efficiency. If the replacement is not stopped due to the difference in manual operation speed and quality, it will cause a large section of flexo-printed cardboard to not be coated, resulting in waste or cardboard coated Unevenness causes the problem of degradation of film quality

[0003] Chinese patent application number is CN201120018461.3 The thermal laminating mechanism of the flexo printing machine includes a frame, and a hot pressing roller and a working pressing roller installed on the frame, the hot pressing roller and the working pressing roller are arranged side by side and It is formed to rotate relative to each other. There is an accommodating groove arranged in the axial direction inside the heat press roller, and a heating tube is arranged in the accommodating groove. The power supply input terminal on the heating tube is electrically connected to the external power supply. Laminating step, but the structure of the equipment is complex and inconvenient to maintain, and the equipment cannot realize the automatic film change of the protective film, and it needs to be operated by workers, which will reduce the efficiency of lamination

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