Cooling system for sawing of main shaft of metal circular sawing machine

The utility model provides a metal circular sawing machine main shaft saw cutting cooling system which comprises a machine body and a working table, the working table is fixedly connected to the upper end of the machine body, a circular sawing machine body is fixedly connected to the upper end of the working table, a saw sleeve is fixedly installed on one side of the circular sawing machine body, and the saw sleeve is fixedly connected to the lower end of the working table. The upper end of one side of the circular sawing machine body is fixedly connected with a handle. The primary filter screen is arranged in the water passing channel, the primary filter screen filters waste water generated during cutting, large particles in the waste water are filtered out, then some small-particle metal objects are adsorbed through the magnet net and the filter device in the filter cylinder, and the effect of filtering metal scraps in the waste water is improved; and the wastewater flows into the filtering device, and is f