DEVICE FOR CLEANING AN INK BOWL, A PRINTING MACHINE AND A METHOD FOR CLEANING AN INK BOWL Russian patent published in 2020 - IPC B41F31/05 B41F31/04 B41F31/08 B41F31/14 B41F31/20 B41F35/04 

FIELD: printing equipment.

SUBSTANCE: invention relates to printing equipment. Disclosed printing machine has an ink bowl between the ink apparatus and the ink-source roller of the ink apparatus and supplies printing ink onto the printing cylinder by means of a transfer roller supplied to the ink-source roller of the ink apparatus and discharged from that roller. Printing machine is equipped with a colorful apparatus, a base serving as a support for the ink apparatus, slider mechanism providing sliding of the ink apparatus along the base in order to control the gap between the front end of the ink apparatus and the ink-source roller of the ink apparatus, the cleaning device for removing printing ink from the ink-source roller of the ink apparatus, and feed and discharge mechanism supplying and discharging cleaning device between position of contact with ink-source roller of ink apparatus and noncontact position, and controller. Controller controls slider mechanism and feed and discharge mechanism, expands gap for dirt passage with printing ink through gap and introduces cleaning device into contact with ink-source roller of ink apparatus for removal of dust with printing ink.

EFFECT: elimination of foreign objects, for example, paper dust (dust and contamination in ink) from an ink bowl without stopping printing.

12 cl, 19 dwg