Novel metal tag bends device

The utility model relates to a novel metal tag bends device, the on -line screen storage device comprises a base, before both sides are equipped with respectively around the base, back limiting plate, it is preceding, before having seted up on the back limiting plate, back bar through -hole, it is preceding, it is equipped with the slider to inlay between the back limiting plate, before both ends are connected with around the slider, after the screw stem, it is preceding, the last threaded connection of after the screw stem has lock nut, be equipped with the bottom telescopic link on the slider, bottom telescopic link top is equipped with the holding down plate, the holding down plate top is equipped with the top board, the base left end is equipped with vertical support rod and cross -support arm, be connected with top telescopic link and top extension spring between cross -support arm and the top board, still be equipped with on the cross -support arm and rotate the cam of being connected with the cross -su