Automatic laser cutting device for quartz tube of continuous melting furnace

The utility model discloses an automatic laser cutting device for a quartz tube of a continuous melting furnace. The automatic laser cutting device comprises a tube drawing machine, a navigation frame, a conveying machine, a quality detection worktable and a cooling fan, wherein the tube drawing machine is provided with a rotary wheel, a graphite wheel, a laser marking cutter, a laser control device, a first frequency changer, an electromagnetic valve, a first air cylinder and an air tank; a second air cylinder is arranged on the navigation frame and connected with a second electromagnetic valve; the second electromagnetic valve is connected with the air tank; the conveying machine is provided with a transmission chain, a motor and a second frequency changer; the second frequency changer is connected with the motor. Due to the use of the automatic laser cutting device, the production cost and the labor force can be greatly reduced, the product yield can be greatly increased, the product quality can be greatly improved, and the difficult problem of conventional cutting is solved.