▎ 摘　　要

NOVELTY - The utility model claims a quantitative feeding structure for preparing graphene powder coating, comprising a mounting plate; two sides of the upper surface of the mounting plate are equipped with a limiting column; the top end of the limiting column passes through the first through hole on the central position of the surface of the convex block and is connected with the limiting plate; the convex block is installed below the two side outer wall of the opening-shaped feeding shell; the lower surface of the limiting plate and the upper surface of the convex block and the lower surface of the convex block and the upper surface of the mounting plate are provided with a spring; and the spring is sleeved on the outer wall of the outer wall of the limiting column; two sides of the lower surface of the mounting plate are equipped with a weighing sensor; the bottom end of the weighing sensor is installed on the top of the supporting plate; the central position of the bottom of the opening-shaped feeding shell is provided with a discharging pipe; the bottom end of the discharging pipe orderly passes through the second through hole on the mounting plate and the third through hole on the supporting plate. The utility model has simple structure, convenient use, improving the precision of the quantitative feeding, strong practicability.