Air draft and dust collection structure

The utility model discloses an air draft and dust collection structure, and relates to the technical field of laser cutting machines. The device comprises a cutting table, a shell is installed on the cutting table, and a sliding door is installed on the shell; the cutting groove is formed in the cutting table, the cutting groove penetrates through the cutting table, a supporting strip used for supporting a plate is installed in the cutting groove, and fans are arranged on the two sides of the cutting groove; and the collecting cover is installed at the bottom of the cutting table, the collecting cover covers the cutting groove, an air exhaust pipeline is installed on the collecting cover, a plurality of filter plates are arranged in the air exhaust pipeline, and a fan is installed on the air exhaust pipeline. According to the device, through the cooperative design of the collecting cover and the intercepting plate, large-particle cutting chippings can be separated from waste gas carrying metal dust, so that t