Upper anode liquid supplementing barrel

The utility model relates to an upper anode liquid supplementing barrel which comprises a liquid supplementing barrel body, a liquid inlet pipe is arranged at the top of the liquid supplementing barrel body, an overflow plate is arranged in the liquid supplementing barrel body, a ventilation pipe is arranged at the top of the liquid supplementing barrel body, a liquid replacing assembly is arranged at the bottom of the liquid supplementing barrel body, and the liquid replacing assembly comprises an overflow pipe. And the overflow pipe is fixedly installed at the bottom of the liquid supplementing barrel, a waste discharge pipe is fixedly installed at the bottom of the liquid supplementing barrel, and a first upper anode liquid inlet pipe is fixedly installed at the bottom of the liquid supplementing barrel. According to the upper anode liquid supplementing barrel, through the arrangement of the liquid changing assembly, electroplating liquid overflows into anode barrels of all electroplating baths through the