Automatic fishing line stretching device

The utility model belongs to the technical field of fishing gear processing equipment, and particularly relates to an automatic fishing line stretching device which comprises a bottom plate, a fixing box, a rotating disc, a clamping rod and a connecting block, an L-shaped plate is fixedly connected to the rear side of the bottom plate, a rotating rod is rotatably connected to the inner wall of the rear side of the L-shaped plate, and the fixing box is welded to the end of the rotating rod. The device comprises a fixed box, the fixed box is movably in contact with a rotating disc, two mounting blocks are welded to the rear side of the rotating disc, a clamping groove is formed in one side of each mounting block, and fixed rods are welded to the inner walls of the two sides of the fixed box. The two T-shaped rods are pressed, the T-shaped rods drive the connecting blocks to move, the connecting blocks extrude the hinge rods in the moving process, under the action of extrusion force, the hinge rods move and rota