Picking system, picking gate, and article assortment method

A picking system comprising:

• a container of which the upper surface is opened to contain an article;
• a caster rack of which the front surface is opened and where upper and lower plural stages of shelves on which the container is mounted are installed;
• a picking gate where upper and lower plural stages of horizontal bars attached with indicators of picking information are installed between vertical posts;
• and
• a picking information processing apparatus which processes the picking information,
• wherein the picking information processing apparatus is configured to include:
• a management computer;
• a controller which controls operations of the indicators;
• and
• a handy terminal and an inspection processing terminal which transmit and receive information with the management computer, and
• wherein the management computer is configured to include:
• an advance shipment information input means which receives advance shipment information including an order number, a delivery slip number, an article code, and a shipment instruction number as an input before to-be-assorted articles are warehoused;
• a shipment information registration means which stores shipment instruction information including the order number and the delivery slip number included in the input advance shipment information to a storage unit as a shipment instruction data file and stores shipment statement information including the order number, the article code, and the shipment instruction number in the storage unit as a shipment statement data file;
• a warehousing information registration means which receives warehousing information including article codes of warehoused articles and the number of the warehoused articles as an input of the handy terminal and stores the warehousing information transmitted from the handy terminal in the storage unit as an article master file;
• a loading site information registration means which receives loading site information including the article codes of the warehoused articles and codes identifying the rack where the container containing the article is mounted and an attachment position in the rack as an input of the handy terminal and stores the loading site information transmitted from the handy terminal in the storage unit;
• a location information registration means which receives location information including codes of the rack and the picking gate as an input of the handy terminal and stores the location information transmitted from the handy terminal in the storage unit;
• a picking information processing means which receives a delivery slip number as an input of the handy terminal, identifies article codes and the number of to-be-picked articles from the delivery slip number transmitted from the handy terminal based on the shipment instruction data file and the shipment statement data file, identifies loading positions of the to-be-picked articles based on the loading site information and the location information, and allows the controller to light on the indicators of the picking gate at the loading positions;
• and
• an inspection information registration means which receives the delivery slip number as an input of the inspection processing terminal, outputs statement information of the to-be-picked articles of the delivery slip number transmitted from the inspection processing terminal to be displayed on a display unit of the inspection processing terminal, receives inspection information including article codes and the number of picked articles as an input of the inspection processing terminal, and stores the inspection information transmitted from the inspection processing terminal in link with the delivery slip number and the order number in the storage unit.