Automatic scale calibration device

The invention discloses an automatic scale calibration device, and relates to the technical field of weighing devices, the automatic scale calibration device comprises a lifting structure, a coil scale and a support additionally provided with weights, the support is loaded on a moving trolley, a height difference exists between the arrangement height of the coil scale and the moving route of the moving trolley, and the moving route of the moving trolley is located at the high-position end. The coil scale calibration device has the technical advantages that the weight structure serving as the scale calibration device is arranged to be a movable structure, when the coil scale needs to be calibrated, the scale calibration device automatically moves towards the coil scale, the coil scale is automatically calibrated, and the coil scale is automatically calibrated. Abrasion to a whole-line vehicle group and a track caused by frequent operation of the C-shaped hook for hanging the weight is avoided; the guide assemb