The utility model discloses a pay -off device, including the rack that is used for placing the wire rod, the mounting panel has been placed on the rack, install the installation axle on the mounting panel, the swinging boom is installed through the bearing to the installation axle, the top of swinging boom is provided with the bullport of guide line material, the utility model discloses a pay -offdevice has reduced the fault rate of unwrapping wire for the unwrapping wire progress reduces intensity of labour, has improved unwrapping wire efficiency.