Auxiliary feeding machine for chain manufacturing

The utility model discloses an auxiliary feeding machine for chain manufacturing, and belongs to the technical field of chain manufacturing. An auxiliary feeding machine for chain manufacturing comprises a material collecting box, a feeding port is fixedly connected to the top of the material collecting box, two concave bases are fixedly connected to the interior of the material collecting box, and a first screening box and a second screening box are rotationally connected to the interiors of the two concave bases through rotating shafts correspondingly; supporting blocks are fixedly connected to the two sides of the first screening box and the two sides of the second screening box correspondingly, and spring barrels are fixedly connected to the surfaces of the supporting blocks. Under the cooperation of the concave base, the first screening box, the second screening box and the connecting rod, raw material steel bars can be screened under the driving of the vibration motor, automatic screening can be achieve