Laser cutting head and laser cutting device with same

The utility model discloses a laser cutting head and a laser cutting device with the laser cutting head, and aims to solve the problems that in the prior art, a laser outlet is not provided with a protective structure, impurities enter the cutting head easily, the cutting head is blocked, normal use of the cutting head is affected, and the cutting head is damaged. And the laser cutting device is long in feeding and discharging time consumption and low in cutting efficiency. The laser cutting head comprises an outer shell, a laser generator installed at the lower end of the top in the outer shell, a lens installed on the lower side in the outer shell, a connecting base fixed to the lower end of the outer shell, and a cutting head body installed at the lower end of the connecting base. According to the laser cutting head and the laser cutting device with the laser cutting head, by means of the design of the protection assembly, impurities are prevented from entering the cutting hole to affect normal use of the