Automatic electrical testing device of connector

The utility model relates to an automatic electrical testing device of a connector, which comprises a mechanism frame, a working table, a control module, a material moving track and a vibrating disc, and an electrical testing mechanism and a defective product screening mechanism are sequentially arranged on the working table along the length direction of the material moving track. The electric detection mechanism comprises a supporting plate, a first air cylinder, a sliding block, a fixing block, three electric detection probes, a second air cylinder, a driving sliding block, a clamping assembly and a plug, and the tail portions of the three electric detection probes are provided with contact bosses matched with the three pins. The contact bosses of the three electric detection probes act along with the fixing block and can abut against the three pins respectively, and the plug acts along with the clamping assembly and can be inserted into a jack of the connector. The device has the advantages of simple struc