Radio frequency identification device

The utility model discloses a wireless radio frequency identification device which comprises an identification device assembly and a line source assembly arranged at the top of the identification device assembly, clamping boxes are fixedly connected to the two sides of the top of the identification device assembly, and miniature air cylinders are fixedly connected to the outer sides of the tops of inner cavities of the clamping boxes. The output end of the micro air cylinder is fixedly connected with a fixing plate, the outer side of the fixing plate is slidably connected with the inner wall of the clamping box, the outer side of an inner cavity of the clamping box is longitudinally and fixedly connected with a vertical column, the bottom of the surface of the vertical column is sleeved with a sleeve block, the outer side of the sleeve block is fixedly connected with the fixing plate, and the inner side of the sleeve block is fixedly connected with a connecting block. And the inner side of the connecting bloc