A wedge is a commonly used suspension mechanism in automotive molds. This utility model patent technology is primarily fixed from above to the lower mold base of the automotive mold, with return limit blocks and stroke limit blocks respectively set on the two sides of the moving wedge at the ends of the upper mold base; a return spring is provided on one side of the moving wedge; a punch with an angle to the horizontal plane is set at one end of the lower end of the moving wedge; another end of the lower end of the moving wedge has a guide slider with an angle to the horizontal plane, and the guide slider is embedded with oil-soaked graphite; the lifting wedge mechanism can reduce the processing process of the mold, decrease the overall外形 size of the mold; and can lower the cost of mold stamping and maintenance.