Rapid printing roller switching device

The invention relates to the technical field of printing, and discloses a printing roller rapid switching device which comprises a rail, a transfer assembly, a control device and at least two mounting vehicles used for temporarily storing printing rollers. The transfer assembly comprises a net hanging frame used for hanging the printing roller, a lifting frame used for driving the net hanging frame to move in the height direction and a transfer trolley used for driving the printing roller to slide along the track, the fixed end of the lifting frame is connected with the transfer trolley, the free end of the lifting frame is connected with the net hanging frame, and the lifting frame and the transfer trolley are both in signal connection with the control device. Compared with existing manual carrying one by one, the switching speed is high, the downtime is short, and the production efficiency of the rotary screen printing machine is remarkably improved; and the structure is simple, installation and maintenance