Printing roller ink scraper of printing machine for label printing

The utility model discloses a printing roller ink scraper of a printing machine for label printing. Plate and printing roller, vertical plates are fixedly connected to the left side and the right sideof the upper end of the bottom plate. The printing roller is rotationally connected with the two vertical plates; a transverse plate is fixedly connected between the two vertical plates and is positioned at the upper part of the printing roller; a scraping plate is arranged on the lower side of the transverse plate; an adjusting mechanism for adjusting the scraper is arranged on the lower side ofthe transverse plate, a motor is fixedly connected to the left side of the vertical plate on the left side, a rotating shaft is coaxially and fixedly connected to the output end of the motor, the rotating shaft is in transmission connection with the adjusting mechanism through a first transmission mechanism, and the rotating shaft is in transmission connection with the printing roller through a second transmission mechani