Error detection device for packet trademarks of B1 packaging machine

The utility model relates to an error detection device for packet trademarks of a B1 packaging machine, which comprises a programmable logic controller (PLC) (1), a camera system constituted by an F160 controller (2) and a camera head (3), an LED (light-emitting diode) illuminating lamp (4) and a touch screen (5), wherein the camera head is arranged above a rotary tower of a packet machine of the B1 packaging machine, the moment that a cigarette packet just stops on the rotary tower is the detection opportunity, and error signals shot and detected by the camera head are converted to the PLC through the F160 controller. The error detection device for the packet trademarks of the B1 packaging machine is used on the B1 packaging machine and can ensure that 99% of cigarette packets with trademark deflection and malocclusion can be detected; furthermore, the image gray scale detected values between the finished cigarette packets and the cigarette packets with the malocclusion of the trademarks differ greatly, the