The utility model discloses an electronic batching scale on -line calibration device, including school weigher frame and annular batching transportation area, the below of school weigher frame is provided with annular batching transportation area, the top is provided with object supporting plate, the head of school weigher frame is provided with the drive wheel, the afterbody is provided with high-order driving wheel and low level from the driving wheel of following, a high position concerns for vertical position from the driving wheel from driving wheel and low level, the drive wheel, a highposition is connected with endless chain from driving wheel and driven the taking turns to of low level, the every 600 on endless chain 800mm department all is provided with fixed establishment andis used for hanging and gets the sand hill, annular batching transportation area is driven by proportion scales driving roll, proportion scales driving roll passes through the drive belt and is connected with the drive wheel, make endless chain and the transportation of annular batching take synchronous operation, be provided with weighing sensor below the annular batching transportation area, thedevice can make things convenient for, swift completion is to the school balance of batching, improve school balance process stability, reduce workman intensity of labour, reduce the occurence of failure.