Weld wheel of seam welder

The utility model discloses a weld wheel of a seam welder. The weld wheel of the seam welder comprises stators, a rotator, bearings and electric conductors. The rotator is sleeved on the stators and can rotate relative to the stators. The stators are connected with the rotator in a transmission mode through the bearings, and the stators and the rotator are connected through the electric conductors. The bearings are non-conducting. Due to the facts that the stators and the rotator are connected in the transmission mode through the bearings and the bearings selves are non-conducting, the phenomenon that locking of the bearings is generated due to the fact that bearings are conductive to emit heat is eradicated. According to the weld wheel, insulation layers do not need to be added on elements, and the weld wheel has the advantages of being easy to manufacture and low in manufacturing cost. Especially, under the condition that ball bearings of the bearings are made of ceramic materials, the bearings are not only