Machine for sorting coin

The application discloses machine for sorting coin, including the letter sorting system, assist into coin system and control system, the letter sorting system is including being used for holding the retaining ring of treating to divide clearly the coin, assists into the top of coin ystem installation in the letter sorting system for add the coin to in the retaining ring of letter sorting system, the detector is installed in the outside of retaining ring, and the detector is used for surveying the quantity of the interior coin of retaining ring to generate corresponding detectable signal, control system respectively with the letter sorting system, assist into coin system and detector to be connected, be used for acquireing the detectable signal that the detector generated, and according tosurveying the coin that adds that signal control assisted coin system into. Owing to install the detector that is used for surveying coin quantity outside the retaining ring of letter sorting system,but the accumulational qua