Online monitoring device for electrode loss and microstructure forming quality and use method

The invention discloses an electrode loss and microstructure forming quality on-line monitoring device and a using method, and belongs to the technical field of non-traditional machining. A machine tool spindle is arranged on the EDM machine tool, a height adjusting unit is arranged on one side of a machine tool spindle moving platform, a steering unit is arranged on one side of the height adjusting unit, and an image acquisition module and a visual imaging module are sequentially arranged on one side of the steering unit; the steering unit comprises a first adapter plate fixedly connected with the height adjusting unit, an angle-adjustable platform is fixedly arranged on one face of the first adapter plate, a first adjusting screw rod is arranged on the angle-adjustable platform, an adjusting block is connected to the first adjusting screw rod, one end of the adjusting block is rotationally connected with a driven rod, and one end of the driven rod is rotationally connected with a second adapter plate. An im