Pre-cleaning equipment for injection molding part before spraying

In order to solve the technical problem that the spraying quality is influenced by manual pretreatment of injection molding parts, the utility model provides pre-cleaning equipment for injection molding parts before spraying, which comprises a spraying chamber, a wiping chamber, a drying chamber and a conveying line penetrating through the spraying chamber, the wiping chamber and the drying chamber, a plurality of rows of inclined spraying pipes are arranged in the spraying chamber, and the spraying pipes are communicated with the alcohol tank through liquid pipes; more than one group of wiping pieces are arranged in the wiping chamber; a plurality of rows of inclined hot air pipes are arranged in the drying chamber and communicated with a heat source through air pipes. The injection molding parts pass through the spraying chamber, the wiping chamber and the drying chamber in sequence along with the conveying line, automatic pre-cleaning of the injection molding parts before spraying is achieved, and the situ