Laser cutting nozzle

A laser cutting nozzle, comprising:

• a first sleeve, a first light transmitting and gas blowing channel being formed inside the first sleeve, a first gas channel being formed on the first sleeve, and the first gas channel extending along an axial direction of the first sleeve;
• a first housing sleeved on the first sleeve;
• a nozzle connected to the first housing, the first light transmitting and gas blowing channel being in communication with the nozzle;
• and
• a flow equalization block arranged within the first sleeve, a second light transmitting and gas blowing channel being formed inside the flow equalization block, and the second light transmitting and gas blowing channel being in communication with the first light transmitting and gas blowing channel;
• a plurality of second gas channels being formed between the flow equalization block and the first sleeve, and the second gas channels extending along the axial direction of the first sleeve and being arranged at intervals along a circumferential direction of the flow equalization block;
• a gas inlet port of the first gas channel facing away from the nozzle, and gas outlet ports of the second gas channels facing away from the nozzle;
• the first gas channel being in communication with the second gas channels, and the second gas channels being in communication with the second light transmitting and gas blowing channel.