Roller Servo Control System for Corrugated Box Printing Machinery

Abstract

The invention relates to a paper processing control system, in particular to a roller way servo control system for corrugated carton printing machinery. The roller way servo control system comprises aplurality of roller ways, the roller ways comprise a plurality of paper feeding rollers, transmission assemblies, serve motors and roller way control modules, wherein the paper feeding rollers are installed on a machine frame, the transmission assemblies are connected with the paper feeding rollers, and the serve motors drive the transmission assemblies. The roller way control modules include virtual spindle modules, speed control modules and current control modules. Speed difference calculation modules obtain speed difference information according to movement information of virtual spindlesin virtual spindle modules and movement information of the serve motors, speed PID control modules calculate current difference information according to the speed difference information, and the current control modules control the servo motor speed and phase of the paper feeding rollers according to the current difference information. The roller way servo control system for the corrugated carton printing machinery can maintain the original out-of-factory accuracy after long-term use.

Description

technical field [0001] The invention relates to a paper processing control system, in particular to a roller table servo control system for a corrugated box printing machine. Background technique [0002] The roller table of the ink printing machine for corrugated boxes is originally driven by mechanical gears. The roller table adopts vacuum adsorption to absorb the cardboard on the paper feed roller of the roller table, and the cardboard moves through the rotation of the paper feed roller. Because the printing machine is composed of multiple printing color parts, the distance from front to back is too long, such as more than 40 gears in the original gear transmission system, due to the transmission characteristics of the gears, there is an inevitable gap between each gear, and the equipment is in After running for a period of time, the gears will always wear out, and the gap of the entire gear system will become larger and larger. The equipment will always produce various v...

AI Technical Summary

Problems solved by technology

Because the printing machine is composed of multiple printing color parts, the distance from front to back is too long, such as more than 40 gears in the original gear transmission system, due to the transmission characteristics of the gears, there is an inevitable gap between each gear, and the equipment is in After running for a period of time, the gears will always wear out. The gap of the entire gear system will become larger and larger. The equipment will always produce various vibrations during high-speed operation. The larger the gap will directly cause the operation of the entire roller table to be unstable.

[0003] In addition, the paper feed rollers on the roller table are worn out during the long-term conveying of corrugated paper, and severe wear will affect the conveying accuracy. In the context of increasingly high requirements for corrugated paper printing accuracy, speed and printing quality, once the conveying accuracy has problems It will lead to a decrease in printing accuracy and ghosting in printing

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