One-way feeding device for chaining machine

The utility model relates to the technical field of feeding devices, and discloses a one-way feeding device for a chaining machine, which comprises a base, fixing blocks are mounted on two sides of the middle of the top of the base, a rotating shaft is rotatably arranged between the fixing blocks, a turntable is arranged on the rotating shaft, and a concave block is arranged on the surface of the turntable. According to the device, the limiting block can be pulled out of the limiting groove by reversely rotating the fixing bolt to remove the fixing of the limiting block, and meanwhile, the insertion block can be pulled out of the insertion groove, so that the insertion block can be pulled out of the insertion groove, and the insertion block can be pulled out of the insertion groove. According to the round steel bar fixing device, the concave blocks can be detached from the interiors of the concave grooves, then new concave blocks are inserted into the concave grooves, then the fixing bolts are rotated to achi