Circulating device for roller bar production

The utility model relates to the technical field of roller bar production, in particular to a circulation device for roller bar production, which overcomes the defects that roller bars are easy to collide with each other and damaged and the roller bars can be collided and damaged due to large vibration, and comprises a circulation box, a box door is hinged to the circulation box, a supporting plate is fixedly connected to the inner wall of the circulation box, and the supporting plate is arranged on the inner wall of the circulation box. A lower groove is formed in the supporting plate, a fixing rod is fixedly connected to the supporting plate, the outer side of the fixing rod is slidably sleeved with a pressing plate, the pressing plate makes contact with the supporting plate, an upper groove is formed in the pressing plate, and a first spring is arranged on the outer side of the fixing rod. Through the design of the supporting plate and the pressing plate, rollers can be separately stored, damage caused by