Vertical cooling bed

The invention discloses a vertical cooling bed. The vertical cooling bed comprises a rack; at least two circulating conveying devices which are arranged side by side and move synchronously are arranged on the rack; each circulating conveying device comprises a plurality of bearing assemblies, first chain type transmission assemblies and second chain type transmission assemblies, wherein the firstchain type transmission assemblies and the second chain type transmission assemblies are used for driving the plurality of bearing assemblies to do lifting circulating motion; each bearing assembly comprises a first connecting arm, a second connecting arm and a bracket used for bearing a workpiece; one end of each first connecting arm is connected with a chain of the first chain type transmissionassembly, and the end, away from the first chain type transmission assembly, of each first connecting arm is hinged to one side face of the bracket; and one end of each second connecting arm is connected with a chain of the se