Winding mechanism with tension adjusting function

The utility model relates to a winding mechanism with a tension adjusting function, which comprises a base, a winding frame and a winding roller, the winding frame is U-shaped and is vertically arranged on the upper portion of the base, two ends of the winding roller are respectively and rotatably arranged on the upper portions of two vertical sections of the winding frame, the winding mechanism further comprises a pressing block, a tensioning roller and a tensioning transmission assembly, the two pressing blocks are longitudinally arranged on the upper portions of the two vertical sections of the winding frame in a sliding mode correspondingly and located above the winding roller, the two ends of the tensioning roller are rotationally sleeved with the two pressing blocks correspondingly, and the tensioning transmission assembly comprises a driving worm gear, a driving worm, a driven worm gear, a driven worm and a transmission rod. The meshing transmission direction of the driving worm gear and the driving wo