Rollgang for flat quenches for glass tempering

The invention discloses a rollgang for flat quenches for glass tempering, which comprises a rack and multiple conveying rolls, wherein the multiple conveying rolls are parallelly arranged on the rack at certain interval, at least one conveying roll is composed of two sections of rollers, a middle rollgang supporting device is also provided, the middle rollgang supporting device comprises a mounting seat, a mounting frame, a support rod and a sliding bearing pedestal, the mounting frame is connected with the mounting seat, one end of the support rod is fixedly connected with the mounting frame, the other end of the support rod is fixedly connected with the sliding bearing pedestal, a sliding bearing is arranged in the sliding bearing pedestal, the two ends of the sliding bearing are respectively provided with a plane bearing, a connecting head is respectively arranged in inner holes of the sliding bearing and the plane bearings, the two ends of the connecting heads are respectively connected with the two sections of rollers constituting a same conveying roll, and the top end of the sliding bearing pedestal is not higher than the rotary supporting surface of the conveying roll. By using the rollgang disclosed by the invention, the down-warping of the middle part of the rollgang can be eliminated, thereby improving the quality of tempered glass.