Automatic presser foot lifting mechanism of high-speed sewing machine

An automatic presser foot lifting mechanism of a high-speed sewing machine comprises an electromagnet installed in a handpiece shell, a draw rod of the electromagnet is connected with a rear lever, the rear lever is connected with a pull rod, the pull rod is connected with a presser foot system, the presser foot system comprises a presser foot, the presser foot is provided with a press rod, the press rod is provided with a pressure guide frame, the pressure guide frame is provided with a connection hole, the connection hole is connected with a lifting board through a fixing screw, the lifting board is provided with a front lever, the front lever is provided with a pull rod fixing pin, one end of the pull rod is connected with the pull rod fixing pin, the rear lever is provided with an axial position screw, and the other end of the pull rod is connected with the axial position screw. In the working process, the draw rod of the electromagnet drives the rear lever, the rear lever pulls the pull rod, the pull rod