Heavy gantry feeding and stacker machine, with left and right lifter working together improve work efficiency, suitable for mass continuous production Heavy gantry feeder and Heavy gantry feeder and stacker machine, suitable for large and thick panel to achieve a mass and continuous production. 1.High strength gantry structure and lift table, stable performance in life-time service. 2.Double lifting table can achieve a continuous process by feeder and stacker. Lifter automatically move upwards or downwards to the same level with rollers, save time in catching panels. 3.Catching work piece by grippers with several vacuum cups, 12-15times/min for the loading or unloading . 4.convenient program In man-computer interface, realize various mode in loading and unloading , and realize an action sequence of loading and unloading by sensor and software. 5.Safety protection has a door sensor, door open when feeder in and stacker out.