Automatic vending machine

The utility model discloses an automatic vending machine through add scanner, locking device and master control circuit on automatic vending machine's box, exchanges the attribute that starts scannerscanning commodity behind the signal of goods through the receipt, the unblock of master control circuit drive locking device makes automatic vending machine's the door body open to realize to exchange goods after commodity are purchase, reduce the unfavourable reason in reverse side that the user sold the machine to the use, improve the rate of utilization of the machine sold. 本实用新型公开了种自动售卖机，通过在自动售卖机的箱体上增设扫描器、锁装置以及主控电路，通过接收退换货的信号后启动扫描器扫描商品的属性，主控电路驱动锁装置解锁，使自动售卖机的门体打开，从而实现商品购买后可以退换货，降低用户对使用售卖机的反逆心理，提高售卖机的使用率。