Water-cooling cooling mechanism for welding head

The utility model discloses a welding head water cooling mechanism which comprises welding needle clamping jaws, water pipe connectors and welding needles, the welding needle clamping jaws are symmetrically arranged in a left-right group mode, the inner side walls of the welding needle clamping jaws are provided with welding needle fixing grooves with the section in a major arc shape, the welding needles are arranged in the welding needle fixing grooves, and the water pipe connectors comprise a water inlet water pipe connector and a water outlet water pipe connector. A cooling water inlet and a cooling water outlet are formed in the upper end of the welding needle clamping jaw, are fixedly connected with the water inlet pipe connector and the water outlet pipe connector in a threaded mode respectively and are communicated with cooling pipelines formed in an internal casting mode, and the cooling pipelines comprise the water inlet pipeline, the heat absorption pipeline and the water outlet pipeline which are c