Longitudinal breaking device on fully-optimized glass cold end production line

The utility model discloses a longitudinal breaking device on a fully-optimized glass cold end production line. Bracing beam and connecting rod mechanism, a driving shaft is mounted above the straining beam; a servo motor speed reducer is mounted in the middle of the driving shaft; an adjustable stroke cylinder is arranged on the other side in the connecting rod mechanism; the connecting rod mechanism is positioned above the servo motor speed reducer; fixing bearings are installed on the left side and the right side of the driving shaft correspondingly, an adjusting base plate is installed onthe sides, away from the driving shaft, of the fixing bearings, a fixing support is installed above the adjusting base plate, a driving gear is installed above the fixing support, a driven rack is installed above the driving gear, and a rack beam is installed above the driven rack. According to the longitudinal breaking device on the fully-optimized glass cold end production line, a linear guide rail is adopted as a main