English name: Vending Machine
In the 1st century AD, the device that automatically sold holy water made by the Greek Hiro was the world’s earliest vending machine. In 1925, the United States developed a vending machine for selling cigarettes, and since then there have been various modern vending machines that sell stamps and tickets.
The types, structures and functions of modern vending machines vary according to the items sold, mainly including vending machines for candy, beverages, and newspapers.
A general vending machine consists of a coin device, an indicating device, a storage and vending device, and the like. The coin device is the core of the vending machine, and its main function is to confirm the authenticity of the coins, sort the coins, and calculate the amount.