Printing plate and plate roller integrated flexible plate and 3D rapid molding printing type direct platemaking method and application

Abstract

The invention provides a printing plate and plate roller integrated flexible plate and 3D rapid molding printing type direct platemaking method. The method comprises the following steps: designing a plate to be printed by utilizing a 3D printing plate making method by using three-dimensional software, and selecting a printing material; and spraying to obtain a printing plate material and images and texts on the printing plate material by using a 3D printing machine to obtain a printing plate and plate roller integrated flexible plate. According to the method, a printing plate and the images and texts in a 3D design image are designed into cylindrical shapes; mounting steps are omitted and troubles and labor are not wasted; the operability and the safety are improved; the bending deformation caused by installation does not occur, and the accuracy and the working efficiency are improved; meanwhile, a compensation step of pre-printing deformation amount is omitted; the antenna images and texts cover the printing plate so that the images and texts, and the printing plate are integrated, and the printing plate and a roller are integrated; the content of the images and texts on the printing plate is determined, and the image and text copying accuracy is improved; and the method can be used for creating a new chapter of a printing plate and plate roller integrated flexible plate platemaking technology, and fills up the national blank.

Description

technical field [0001] The invention belongs to the technical field of printing, and relates to a method for making a flexible printing plate, in particular to a direct plate-making method and application of a flexible plate integrated with a printing plate and a plate roller and 3D rapid prototyping printing. Background technique [0002] There has always been a deviation problem in the printed graphics and texts in the flexographic printing process, and the deformation of different printing plates requires pre-press pre-compensation. Due to its own characteristics, the flexographic printing plate has a certain influence on the printing quality: 1. The flexographic printing plate is mainly a letterpress made of photosensitive resin plate, rubber plate and other materials, which endows it with the characteristics of large elasticity and thick plate. Compensate for the deformation of the printed image by reducing the size of the graphic on the negative film of the printing pl...

AI Technical Summary

Problems solved by technology

Due to its own characteristics, the flexographic printing plate has a certain influence on the printing quality: 1. The flexographic printing plate is mainly a letterpress made of photosensitive resin plate, rubber plate and other materials, which endows it with the characteristics of large elasticity and thick plate. Compensate for the deformation of the printed image by reducing the size of the graphic on the negative film of the printing plate; 2. Even if it is a perfectly made flexographic printing plate, after it is installed on a cylindrical cylinder, under the action of printing pressure, The size of the graphic in the circumferential direction on the printing plate will be elongated, and the axial size of the graphic will inevitably deviate (as the printing plate is wrapped on the cylinder by the plane, the radial dimension of the concave surface of the printing plate becomes smaller, and the radial dimension of the convex surface becomes smaller. 3. The deformation of the printing plate varies with the thickness of the printing plate and with the radius of the cylinder of the printing machine. In flexographic printing, the deformation rate is calculated using The empirical formula also depends on the technical level of the operator, and the accuracy is limited

[0003] The domestic flexo printing industry is still dominated by organic solvent plate making, among which the mixed solvents tetrachlorethylene and n-butane are still commonly used are highly toxic, which is not conducive to environmental protection and sustainable development

[0004] The seamless sleeve technology, which symbolizes one of the most high-end technologies in the field of flexographic printing, often adopts the method of solvent plate making, which has low plate making efficiency and seriously affects the entire production process

Flexo printing equipment often needs to replace printing plates, which is not only time-consuming and labor-intensive, but also poor in operability and safety

[0005] In terms of antenna printing, traditional antenna printing methods such as etching and winding methods are high in cost and complicated in process, making it difficult to apply on a large scale, and it is a subtractive manufacturing method with high energy consumption and high emissions.

Even for screen printing and gravure printing in the direct printing method, there are problems such as high printing pressure, long plate making process, and serious waste of conductive ink.

Images