The present invention relates to a
spot welding machine electrode tip
grinding device and method, comprising a positioning mechanism and a
grinding mechanism, wherein the positioning mechanism is composed of a locking nut, an upper fixing block, a sliding rod, a lower fixing block, and a clamping
barrel; the
grinding mechanism is composed of an upper shell, a lower shell, a fixing seat, a blade, a bearing, an air motor, a
hand pressure valve, a rotating cylinder, a first gear, and a second gear; the positioning mechanism is arranged on the upper and lower
electrode arms of the
spot welding machine, and the grinding mechanism can slide up and down along the positioning mechanism to complete the coaxial grinding of the upper and lower
electrode tips. The beneficial effects are as follows: the device of the invention uses the positioning mechanism to make the rotation center of the grinding mechanism blade coincide with the center line of the upper and lower electrode tips of the
spot welding machine. The high stability of the positioning mechanism can effectively improve the grinding quality of the electrode tip, thereby improving the
welding quality and stability. The overall structure is simple, easy to operate and use, and the manufacturing cost is low.