The invention belongs to the technical field of power metering product facilities and in particular discloses automatic wire-feeding, sealing and calibrating equipment and an automatic wire-feeding, sealing and detecting method of a power metering device. The equipment comprises a rack, and an
electric energy meter conveying device, an
electric energy meter positioning device, a charging mechanical arm, a threading hole detection device, a wire feeding device, a wire sealing guide positioning device, a directional wire clamping device, a wire pulling device, a
steering wire clamping device, a wire shearing device, a seal feeding device, a seal pressing device, an unqualified product conveying device, a discharging mechanical arm, an automatic calibrating device and a horizontal movement mechanical arm, which are arranged on the rack. The equipment can automatically and intelligently feed a wire to the power metering device and has metering seal and automatic calibration functions, the wire-feeding, sealing and calibrating efficiency and accuracy of the power metering device can be effectively improved, an operating worker can be liberated from heavy physical labor, and the labor cost of an enterprise is greatly reduced.