Auxiliary device for digital jet printing

The utility model belongs to the technical field of digital printer manufacturing, mechanical manufacturing and digital printing application, and particularly relates to an auxiliary device for digital jet printing, which comprises a clamping table, a rear fixer, a front fixer and a rotary driver, a clamping station is arranged on the clamping table, the clamping station is used for fixing the jet printing main body, and the jet printing main body can be a cylinder or a cone; the rear fixing device and the front fixing device are arranged at the two opposite ends of the clamping station correspondingly and abut against and fix the two ends of the jet printing body in a matched mode. And the rotation driver can control the rotation of the rear fixer, so that the outer peripheral surface of the jet printing main body can rotate during jet printing. The auxiliary device can assist the rotation of the three-dimensional jet printing main body in the jet printing process, so that the jet printing of designed patter