Anti-counterfeiting paper safety line paying-off distance control device

The utility model relates to the technical field of specialty paper production, in particular to an anti-counterfeit paper safety line pay-off distance control device which comprises two supports, a screw rod and a U-shaped grooved wheel, the two supports are respectively installed on a net groove wall of a net cage and a blanket inlet, the screw rod is installed between the two supports, the U-shaped grooved wheel is assembled on the screw rod, and the U-shaped grooved wheel is installed on the U-shaped grooved wheel. According to the anti-counterfeit paper conveying device, a safety line can be prevented from drifting, and the quality of anti-counterfeit paper in the production process is ensured. 本实用新型涉及特种纸生产技术领域，尤其是一种防伪纸安全线放线控距装置，包括支架、丝杆和U型槽轮，所述支架包括有两个，两个支架分别安装在网笼与毛毯进口的网槽槽壁，所述丝杆安装在两个支架之间，所述U型槽轮装配在丝杆上，所述U型槽轮在丝杆上设置有多个，U型槽轮在丝杠上的位置为可调节设置，本实用新型能够避免安全线漂移，确保生产过程中防伪纸的质量。