Constant-speed winding machine

The invention discloses a constant-speed winding machine, and belongs to the technical field of metal fiber equipment. The constant-speed winding machine comprises a rack, the rack is provided with avertical support plate, a plurality of sets of winding mechanisms are fixed on the support plate, and each winding mechanism comprises a guide wheel, a speed measuring wheel, a thread take-up rod set,a thread retracting barrel and a drive motor which are arranged on the front part of the support plate, and further comprises a driving wheel and a driven wheel which are arranged on the rear part ofthe support plate; output shafts of the drive motors pass through the support plate to be connected with the driving wheels, and the driven wheels are coaxially connected with the thread retracting barrels; and the guide wheels, the speed measuring wheels, the thread take-up rod sets and the thread retracting barrels are successively arranged in the moving direction of metal fiber, and thread arranging devices are arranged