High-stability flexographic printing device and application of high-stability flexographic printing device in vacuum hollow aluminum plating

The invention relates to a high-stability flexographic printing device and application of the high-stability flexographic printing device in vacuum hollowed-out aluminizing, the high-stability flexographic printing device comprises a support, an ink fountain, a first driving motor, a second driving motor, an ink supply roller, a flexographic printing plate roller, a back pressure roller, an ink squeezing roller and two anti-jumping devices, and the flexographic printing plate roller is located between the back pressure roller and the ink supply roller; the ink squeezing roller is in transmission connection with the ink supply roller, is positioned on one side of the ink supply roller and is matched with the surface of the ink supply roller; the left end part and the right end part of the flexographic printing roller are both provided with smooth surface parts, the anti-jumping device comprises two limiting blocks and a height adjusting mechanism, the two limiting blocks are installed on the support through th