基于X光检测的烟丝异物在线剔除系统

On-line elimination system of foreign materials in cut tobacco based on X-ray

利用不同密度物质吸收X光能力的差异,设计了基于X光检测的烟丝异物在线剔除系统。该系统利用X光透射烟丝后,形成原始密度值数据,利用原始密度值的突变进行烟丝异物判别,实现烟丝异物在线检测识别的功能。该系统设计了独特的平行四边形喷吹异物剔除方式,使得异物处于接近平行四边形中心点的位置,提高了异物剔除的有效性。经实验验证,将设备安装于制丝线贮丝柜出口处,能有效实现对各类金属、非金属异物识别和剔除,其对烟丝异物平均识别率达99.5%以上,平均剔除率达95.8%以上。

The system was based on the differenceof X-ray absorption capacity of different density materials to design On-line elimination system of foreign materials in cut tobacco based on X-ray.The system uses X-ray to transmit the cut tobacco to form the original density data,and uses the mutation of the original density value to distinguish the foreign materials,so as to realize the function of on-line detection and recognition of foreign materials.And a unique method of screening out foreign materials by parallelogram injection which made the foreign materials close to the center of the parallelogram was designed to improve the effectiveness of screening out the foreign materials in cut tobacco.The experimental results showed that the device could effectively identify and eliminate all kinds of metallic and non-metallic foreign materials when it was installed at the outlet of cut tobacco cabinet of primary processing line.The average recognition rate of foreign materials in cut tobacco is above 99.5%,and the average elimination rate is above 95.8%.