Support rotating speed monitoring and alarming device for loopholes of automatic transparent paper splicing device

The utility model discloses a support rotating speed monitoring and alarming device for transparent paper automatic splicing device loopholes. The support rotating speed monitoring and alarming device comprises a photoelectric detector, a photoelectric detector support, a reflecting plate, a programmable logic controller and a rotating speed abnormity alarming device. The photoelectric detector support is installed on the transparent paper automatic splicing device, the photoelectric detector is fixed in the photoelectric detector support, and the reflecting plate is installed on the back of the transparent paper support. The photoelectric detector is connected with the programmable logic controller, and the rotating speed abnormity alarm device is connected with the programmable logic controller. According to the device, the working accuracy of the automatic transparent paper splicing device in the packaging machine can be improved, and false alarms are avoided; according to the utility model, the cigarette