Intelligent robot pre-welding cleaning device

The utility model belongs to the technical field of robot welding, and particularly relates to an intelligent robot pre-welding cleaning device. Comprising a sliding table, a transplanting platform, a grinding position adjusting mechanism, a grinding mechanism and a transplanting platform driving mechanism, wherein the transplanting platform is arranged above the sliding table in a longitudinal sliding manner; the transplanting platform driving mechanism is connected between the transplanting platform and the sliding table and is used for driving the transplanting platform to slide; the grinding position adjusting mechanism is arranged on the transplanting platform and has the freedom degree of moving in the transverse direction and the height direction. The grinding mechanism is arranged on the grinding position adjusting mechanism and used for grinding and cleaning the workpiece placed on the grinding workbench. The cleaning operation before welding is completed, the production efficiency is improved, the c