Printing and dyeing mechanism of a printing machine

The invention relates to a sealed type ink supplying printing and dyeing mechanism of a printing machine. The printing and dyeing mechanism comprises an impressing roller, a forme roller and an anilox roller. The printing and dyeing mechanism is characterized in that an ink storage bar with a groove is arranged at one side of the anilox roller, the groove of the ink storage bar faces towards the anilox roller, two protruding edges which form the groove are respectively provided with a scraper, sealing parts are arranged inside the portions, at two ends of the scrapers, of the groove of the ink storage bar, the left sealing part, the right sealing part, the upper scraper, the lower scraper, the ink storage bar and the anilox roller form an ink storage cavity, printing ink holes are formed in the ink storage bar, and the ink storage cavity is communicated with an external printing ink conveyer device through the printing ink holes. According to the design of the printing and dyeing mechanism, printing ink can n