Blind hole machining device and blind hole machining method for winding product

The invention discloses a blind hole machining device and method for a winding product, and relates to the technical field of drilling equipment. The blind hole machining device comprises a rack, and a first platform and a second platform are arranged on the rack; the fixing part comprises a positioning piece and a pressing component, the pressing component is provided with a pre-pressing block capable of being overturned to the position above the positioning piece, and the pre-pressing block is used for pressing, fixing and positioning the automobile door frame upper strip on the positioning piece; the drilling component comprises a drilling assembly and a first driving part, the drilling assembly is arranged on the second platform in a sliding mode, the drilling assembly is provided with a drill bit, and the first driving part is in transmission connection with the drilling assembly and used for driving the drill bit to move horizontally in the direction perpendicular to the drilling direction; and the limi