Multi-angle labeling device

The utility model relates to the technical field of labeling equipment, in particular to a multi-angle labeling device which comprises a back plate, a sliding table air cylinder, a connecting plate, a servo motor, a speed reducer, a stepping motor, a quick-change mechanism and a suction nozzle, the sliding table air cylinder is fixedly arranged on the side face of the back plate, and the connecting plate is fixedly connected with the output end of the sliding table air cylinder; the servo motor is fixedly installed on the side face of the connecting plate, the speed reducer is arranged at the output end of the servo motor, the stepping motor is arranged at the output end of the speed reducer, the quick-change mechanism is arranged at the output end of the stepping motor, the suction nozzle is arranged below the quick-change mechanism, and the sliding table air cylinder drives the suction nozzle to move up and down. The servo motor drives the suction nozzle to rotate in the vertical plane, and the stepping mot