Device and clip for rapidly lapping lead and using method of device

The invention belongs to a power tool and particularly relates to a device for rapidly lapping a lead. In order to solve problems of inconvenience in use, high labor intensity, large number of workersrequired and meanwhile, non-ideal lapping effect, the invention discloses a device and a clip for rapidly lapping a lead. The device and the clip make lead lapping more convenient and rapider so as to save labor, and meanwhile, also make a lead lapping effect perfect so as to greatly improve a success rate, save time, improve a power repair speed and reduce influence on a user. The device for rapidly lapping the lead comprises a power supply module and further comprises a carrying platform, a supporting frame, an extension rod, a button, an electromagnet and the clip, wherein the carrying platform is clamped with the supporting frame; the supporting frame is in screwed connection with the extension rod; the extension rod is mounted below the supporting frame and is in screwed connection with the the supporting fr