Eight-axis six-head linkage laser engraving machine with cooling circulation structure

An eight-axis six-head linkage laser engraving machine with a cooling circulation structure, comprising:

• a machine base 1;
• wherein the machine base 1 is provided with a worktable 11 and a laser unit 12;
• the laser unit 12 is movably disposed on a top of the worktable 11;
• the laser unit 12 comprises a laser seat 21, a laser generation module 22 disposed in the laser seat 21, and a lens 23 disposed on the laser seat 21;
• the lens 23 is disposed at a bottom of the laser generation module 22;
• the laser generation module 22 comprises a housing 3 and a distributor 4;
• the distributor 4 is disposed on a top of the housing 3;
• the housing 3 is internally provided with a pump source, a working medium module 6, and a Q-switch module 7;
• the pump source is connected with a first cooling plate;
• the working medium module 6 is connected with a second cooling plate 61;
• the Q-switch module 7 is connected with a third cooling plate 71;
• the housing 3 is provided with a main heat dissipation channel;
• the distributor 4 is internally provided with a main distribution channel 41;
• the distributor 4 is provided with a main water inlet 42 and a main water outlet 43;
• the main water inlet 42 communicates with a top of the main distribution channel 41;
• the main water outlet 43 communicates with a bottom of the main distribution channel 41;
• the main water outlet 43 communicates with the main heat dissipation channel;
• the distributor 4 is internally provided with a first distribution channel 44 communicating with the first cooling plate, a second distribution channel 45 communicating with the second cooling plate 61, and a third distribution channel 46 communicating with the third cooling plate 71;
• the first distribution channel 44 is provided with a first control valve 81;
• the second distribution channel 45 is provided with a second control valve 82;
• the third distribution channel 46 is provided with a third control valve 83;
• the main distribution channel 41 is movably provided with a distribution valve along a length direction;
• a thermosensitive spring 48 is disposed between the distribution valve and the main distribution channel 41;
• and
• the first distribution channel 44, the second distribution channel 45, and the third distribution channel 46 respectively communicate with the main distribution channel 41.