A flanging machine comprises a bracket, a heating element which is arranged on the bracket and at one side of an object to be machined as well as is used for heating the object to be machined to melt,a clamping element which is used for fixing the object to be machined on the bracket to cause the relative rest between the object to be machined and the bracket. The flanging machine is characterizedby simple structure and convenient operation, thus the bending effect of the object to be machined is guaranteed.