Unit type photogravure press

Abstract

The invention provides a unit type photogravure press, and belongs to the technical field of machines. The unit type photogravure press solves the technical problem that the tensity of printing paper changes when the printing paper of an existing unit type photogravure press enters the photogravure press, and printing quality is influenced. The unit type photogravure press comprises an unwinding frame and a winding frame, a plurality of printers which are arranged in sequence and can print different colors on the printing paper in sequence are arranged between the unwinding frame and the winding frame, an unwinding roller is rotatably connected with the unwinding frame, an adjusting mechanism which can adjust the height of the unwinding roller according to the amount of the printing paper on the unwinding roller is arranged between the unwinding roller and the unwinding frame, a winding roller is rotatably connected with the winding frame, and a driving mechanism which can drive the winding roller to rotate to wind the printing paper on the unwinding roller through the printers to the winding roller is arranged on the winding frame. The unit type photogravure press has the advantage of being stable in printing quality.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a printing machine, in particular to a unit type gravure printing machine. Background technique [0002] The gravure printing machine adopts the direct printing method of circular pressing, and the printing plate is directly made on the printing plate cylinder, and the ink is supplied by immersion or inkjet, and is used to print packaging bags and other products that require repeated printing. The unit-type gravure printing machine is composed of multiple gravure printing machines. Each gravure printing machine prints different colors. Multiple gravure printing machines print in sequence to achieve rapid printing of multi-color complex patterns. [0003] When printing on the unit-type gravure printing machine, the printing paper is a whole roll, which is transported from one end of the unit-type gravure printing machine to the other end and re-rolled. During this process, the pri...

AI Technical Summary

Problems solved by technology

The current unit-type gravure printing machine simply fixes the entire roll of printing paper to the unwinding roller without any adjustments when unwinding. The entire roll of printing paper will gradually become thinner during unwinding, so the printing paper The angle of entering the gravure printing machine will change, resulting in changes in the tension of the printing paper when it enters the gravure printing machine, affecting the printing quality

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