Rut matrix utensil convenient to drawing of patterns

The utility model discloses a rut matrix utensil convenient to drawing of patterns, including rut board examination mould and drawing of patterns frame two parts, rut board examination mould includes the frame and installs the bottom plate in the frame bottom, all be equipped with a recess on four angles of frame upper surface, the bottom plate center is equipped with a gas pocket, the below of gas pocket is equipped with a draw -in groove, the draw -in groove includes the column cavity that is located the gas pocket below and is located the snap ring of column cavity below that the diameter of snap ring slightly is greater than the diameter of air gun rifle mouth, the breach that has two symmetries in the axial of snap ring, drawing of patterns frame is including the examination die carrier and set up the examination die carrier bottom plate in examination die carrier bottom, the length of side of examination die carrier equals with the length of side of the frame of rut board examination mould, it is protru