Automatic ink conveying device of printing machine

The utility model provides an ink conveying device, in particular to an automatic ink conveying device of a printing machine, which comprises an ink fountain, the ink fountain is composed of a stainless steel trapezoidal groove, the inner wall of the stainless steel trapezoidal groove is provided with an ink-free coating, the upper end of the stainless steel trapezoidal groove is provided with a limiting ink outlet, and the lower bottom surface of the stainless steel trapezoidal groove is provided with a plurality of slag outlets. An automatic cleaning device is arranged in the stainless steel trapezoid-shaped groove, the automatic cleaning device comprises two ink scraping blades and a power source, and a crystallized ink collecting cylinder is arranged below the stainless steel trapezoid-shaped groove; according to the utility model, the ink outlet is limited, so that the capacity of the ink in the stainless steel trapezoidal groove is kept unchanged when the ink inlet pipeline conveys the ink into the stai