Laser welding robot capable of automatically cooling welding spots

The invention discloses a laser welding robot capable of automatically cooling welding spots, which comprises a cooling cylinder, a welding device and a robot body for mounting the cooling cylinder and the welding device, the input end of the cooling cylinder is connected with a cooling medium supply end through a connecting pipe, and the output end of the cooling cylinder is a rotatable outer cylinder; the outer cylinder is embedded in the outer wall of the output end of the cooling cylinder, the outer cylinder is connected with the rotating mechanism and used for changing the distribution mode of the output end of the cooling cylinder and adjusting the medium spraying mode, a switching mechanism is arranged at the bottom end of the outer cylinder, and the distribution state of the switching mechanism is changed through driving of the rotating mechanism. According to the laser welding robot capable of automatically cooling the welding spots, the water cooling unit is integrated in the laser welding robot, it