Pay-off device for copper wire stretcher

The utility model relates to the technical field of copper wire processing, and discloses a pay-off device for a copper wire stretcher, which comprises a base plate, supporting blocks are fixedly mounted at the left end and the right end of the bottom wall surface of the base plate, a first movable groove is formed in the top wall surface of the base plate, and a limiting box is arranged on the top wall surface of the base plate. The pay-off device for the copper wire stretcher comprises a limiting box, a containing groove is formed in the wall face of the top of the limiting box, a pay-off block is arranged at the top of the inner side of the containing groove, and a winding column is arranged in the middle of the inner side of the pay-off block. When the pay-off operation is too fast, a copper wire vibrates, and the pay-off block can be adaptively adjusted by external force through the limiting spring at the bottom of the pay-off block, so that the pay-off block can be effectively adaptively adjusted throug