Printing ink offset printing device for processing coated paper cups

The utility model relates to the technical field of coated paper cup processing, and discloses a printing ink offset printing device for coated paper cup processing, which comprises a printing ink box, a sealing cover is connected to one side of the upper end of the printing ink box through threads, a booster pump is connected to the upper end of the printing ink box on one side of the sealing cover through bolts, and a filter head is arranged at the input end of the booster pump. A first connecting frame is arranged on one side of the ink box, a base is arranged at the lower end of the first connecting frame, a stepping motor is connected to one side of the upper end of the base through bolts, and the first connecting frame, the stepping motor, a transmission lead screw, a first lifting plate, a second lifting plate, a second connecting frame and a guide rod are arranged, so that the heights of the offset printing roller and the offset printing film can be conveniently adjusted; the device can meet the offse