Toughening furnace convenient for tempering special-shaped glass

The utility model discloses a toughening furnace convenient for special-shaped glass toughening processing, which belongs to the technical field of toughened glass processing, and comprises a machine body, a plurality of groups of electric conveying rollers distributed on the inner wall of the upper end of the machine body in an array manner, a machine cover fixed at the upper end of the machine body, two groups of brackets welded on one side wall of the machine cover, and a screw rod arranged between the brackets, according to the automatic cleaning device, the automatic cleaning mechanism consisting of the motor, the screw rod, the screw block, the electric push rod, the scraper blade and the silica gel pad is designed, and before tempering, the electric push rod pushes the scraper blade to move downwards, so that the silica gel pad is in contact with the outer wall of the electric conveying roller; at the moment, the electric conveying roller rotates, a motor drives a screw to rotate, then a screw block dr