Device and method for detecting sand feeding efficiency of plated diamond

The invention discloses a device and method for detecting sand feeding efficiency of plated diamonds, and belongs to the field of diamonds, the device for detecting sand feeding efficiency of plated diamonds comprises a rectifier, a measuring cylinder and an inflation assembly, the upper portion of the measuring cylinder is provided with a fixing disc, and the middle position of the fixing disc is fixedly connected with a steel wire fixing screw; a base steel wire extending into the measuring cylinder is assembled on the lower portion of the steel wire fixing screw, the base steel wire is vertically arranged at the axis of the measuring cylinder, two vertically-arranged titanium pipes are installed on the fixing disc, the lower portions of the two titanium pipes extend into the measuring cylinder, and nickel balls are assembled in the titanium pipes. The rectifier is electrically connected with the cathode connector and the two anode connectors through wires, and the anode connectors are electrically connecte