What is the working principle of the vibrating disk?

Vibrating plate hopper below a pulse electromagnet, can make the hopper vertical direction vibration, due to the tilt of the spring plate, so that the hopper around its vertical axis to do twisting vibration. The parts in the hopper, due to this vibration, and rise along the spiral track, until it is sent to the outlet.

The purpose of its work is to vibrate the disordered workpiece automatic orderly directional arrangement neatly and accurately transported to the next process.