Cooling bed is one of the indispensable auxiliary equipment for small and medium bar workshops. Its function is to cut the rolling mill into bars with a length of several feet by flying shears, transport and unload it to the cooling rack rack to cool it, reduce its temperature from 900 ℃ to 100 to 300 ℃, and then move it under the cooling bed. The feeding device collects it into groups and sends it to the output roller table, which is then sent to the cold shear to be cut into a fixed-size finished product by the output roller table. The design quality and installation accuracy of the cooling bed directly determine the final quality of the product.