Tectorial membrane device of cross cutting machine

The utility model provides a tectorial membrane device of cross cutting machine, including the bottom plate, sets up two curb plates on the bottom plate relatively, the end connection that sets up rubber roll and cylinder between two curb plates, rubber roll has the sliding block, the sliding block can be from top to bottom with sliding the setting be equipped with the elastic component on the top surface of sliding block to pushing down to the sliding block on the curb plate, the bottom surface of sliding block is connected with the sliding pin, the cylinder cover is equipped with the drum shaft, the both ends of drum shaft wear to put on two curb plates, have offered the incision on the periphery of drum shaft and have replaced the sliding pin of sliding block bottom surface. The utility model provides a tectorial membrane device of cross cutting machine passes through the drum shaft and rotates the drive the incision rotates, in order to replace the sliding pin rises for the rubber roll rises, clearance increase between rubber roll and cylinder, and the pellicular zone of being convenient for penetrates.