Bolt lubricant applying system and method

The invention provides a bolt lubricant applying system and method, and relates to the technical field of automation. The applying system comprises a bolt grabbing and transferring device and a bolt oiling device used for applying a lubricant on bolts, the bolt grabbing and transferring device comprises a driving device and at least two bolt clamp mechanisms connected with the driving device, the bolt clamp mechanisms are used for taking and placing the bolts, the driving device is suitable for driving the bolt clamp mechanisms to reciprocate among a plurality of stations including the bolt oiling device. According to the bolt lubricant applying system and method, unmanned operation in the whole process is realized, manual work is replaced by a machine, the working efficiency is high, the influence of manual work is avoided, and the quality is guaranteed; and in addition, through the at least two bolt clamp mechanisms, the frequency that the same bolt grabbing and transferring device moves to and fro differen