Accurate correction anchor clamps of yarn card

The utility model relates to textile machinery the technical field of well installing and correcting instrument, an accurate correction anchor clamps of yarn card, including the elastic yarn card, theelastic yarn card is the W type at the elastic yarn card open end that lies in both sides of same horizontal plane and the closed end of elastic yarn card in the middle of lieing in, elastic yarn card open end is fixed not to be established on yarn card fixed plate, is equipped with the device including the distance adjustment of screw rod and nut on yarn card fixed plate, and the nut cover is established on the screw rod, and the nut is twisted to move in external force and can be followed the axial of the screw rod down and move, and the screw rod is fixed to be established on yarn card fixed plate, and the closed pot head of elastic yarn card is established on the screw rod and the axial displacement of screw rod is followed in the drive of passing through the nut, be provided with length -measuring appliance