▎ 摘　　要

NOVELTY - The utility model claims a heat treatment cooling device with fast cooling steel bar, comprising a bottom plate, the top end of the bottom plate is provided with a lower cooling template, the top end of the lower cooling template is placed with an upper cooling template, the top end of the upper cooling template is welded with multiple mounting plates, the top end of the mounting plate is welded with a connecting pin, the top end of the connecting pin is inserted with a pin shaft, the connecting pin is movably connected with a pressing rod through a pin shaft, the inner part of the lower cooling template and the upper cooling template is provided with a hollow chamber, the inner top end of the hollow chamber is welded with several first clapboards, the inner bottom end of the hollow chamber is welded with several second clapboards, and the first clapboard and the second clapboard are staggered; one side adjacent between the lower cooling template and the upper cooling template is provided with multiple clamping grooves. The fast cooling steel bar heat treatment cooling device has simple and reasonable structure, novel design, which can effectively improve the cooling effect, and the operation is simple and convenient, and it has high practical value.