Bin adjustable tray of automatic grabbing production line

The utility model discloses a rotary bin adjustable tray device; with an axis of the base as center, three inverted T-shaped circular arc slide rails are uniformly formed in the base; a slide block is embedded in each circular arc slide rail; a limiting guide rod is arranged on each slide block; an adjustable tray and a lifting supporting plate are sleeved on the limiting guide rod in sequence through circular arc grooves on the adjustable tray and the lifting supporting plate; the lifting supporting plate can rise and descend on the limiting guide rod; rotation directions of the circular arc grooves on the adjustable tray and the lifting supporting plate have reverse structures, so that possible runout of the limiting guide rod is suppressed; workpieces can be located with high accuracy through adjusting the tray to adapt to the machining of the workpieces with different sizes; and the rotary bin adjustable tray device disclosed by the utility model has the advantages of shorter adjusting time as well as gre