Embossing roller protection device

The utility model discloses a knurling roller protection device, paper is driven on a knurling roller, one end of the knurling roller is provided with a light hole, the emitted light of the light hole is parallel to the knurling roller and is higher than the upper surface of the paper, the other end of the knurling roller is provided with a receiver used for receiving the light of the light hole, and the receiver is connected with the knurling roller. The light eye, the receiver and the driving end of the knurling roller are all connected with the PLC, and when a light signal of the receiver is interrupted, the equipment is controlled to stop. One embossing roller can be comprehensively monitored through one light eye, the machine is stopped immediately when paper is slightly wound around the embossing roller, cleaning is fast and convenient, cleaning time is shortened, and meanwhile working efficiency is improved. 本实用新型公开了一种压花辊保护装置，纸张在压花辊上传动，所述压花辊的一端设有光眼，所述光眼的发射光线与压花辊平行且高于纸张上表面，所述压花辊的另一端设有用于接收光眼光线的接收器，所述光眼、接