Wax mold module tree structure for small and medium sized single crystal blade and preparation method for wax mold module tree structure

The invention discloses a wax mold module tree structure for a small and medium sized single crystal blade and a preparation method for the wax mold module tree structure and relates to the technicalfield of precision casting. The wax mold module tree structure comprises pouring system wax molds, a crystal selector, a single crystal blade, a feed head, a water-cooling base plate wax mold plate, apouring mouth cup wax mold, a top pouring passage wax mold and a bottom pouring passage wax mold, wherein the pouring mouth cup wax mold, the top pouring passage wax mold and the bottom pouring passage wax mold are connected through a middle column tube wax mold in sequence, the crystal selector, the single crystal blade and the feed head are connected and fixed in sequence, the bottom of the middle column tube wax mold and the water-cooling base plate wax mold plate are tightly locked by a bolt, the water-cooling base plate wax mold plate is evenly provided with crystal selector gluing mouths, and the lower end of th