Stay wire manufacturing device

The invention discloses a stay wire manufacturing device. The stay wire manufacturing device comprises a support and a lever. The support comprises a first connecting base, a second connecting base, two first connecting rods, two second connecting rods, a threaded rod, two first pulleys and a second pulley. One ends of the two first connecting rods are hinged to one end of the first connecting base. The first pulleys are arranged at the other ends of the first connecting rods. One ends of the two second connecting rods are hinged to one end of the second connecting base. The other ends of thesecond connecting rods are hinged to the non-end portions of the first connecting rods. The second pulley is arranged on the second connecting base. One end of the threaded rod is connected with the second connecting base. A threaded hole matched with the threaded rod is formed in the first connecting base. The other end of the threaded rod penetrates through the threaded hole and can be connectedwith the lever. Compared