Seamless steel tube core rod cooling device

The utility model relates to the field of core rod cooling devices, in particular to a seamless steel pipe core rod cooling device which comprises a cooling pond, a floating plate, a core rod, a supporting plate, a rotating shaft a, a rotating shaft b and a conveying chain. The floating plates are slidably arranged on the inner wall of the cooling pond in the vertical direction, arc-shaped grooves are formed in the two floating plates, and the two ends of the core rod are located in the two arc-shaped grooves; the supporting plate is arranged on the inner wall of the bottom of the cooling pond; the material guiding plate is obliquely arranged on the supporting plate, the discharging plate is obliquely arranged at the top of the material guiding plate, and two sets of avoiding grooves are formed in the material guiding plate and the discharging plate; the rotating shaft a and the rotating shaft b are rotationally arranged on the inner wall of the cooling pond, two groups of chain wheels a are arranged on the r