Liquid introduction apparatus and adhesive dispensing apparatus

An adhesive dispensing apparatus for introducing adhesive into a product, comprising:

• a platform;
• a transfer mechanism arranged on the platform and configured for supporting the product and moving the product along a predetermined movement direction;
• an adhesive dispensing mechanism arranged on the platform;
• a housing mounted on the platform;
• and
• a transporting channel arranged on the housing;
• wherein a confined space is defined by the housing and the platform, the-adhesive dispensing mechanism, the transfer mechanism and the product are received in the confined space;
• one end of the transporting channel extends into the confined space and is connected to the introduction mechanism, the other end of the transporting channel is located outside of the confined space and is connected to a liquid supply apparatus, and the liquid supply apparatus is configured for supplying adhesive to the introduction mechanism through the transporting channel, the adhesive dispensing mechanism comprises an introduction nozzle, the introduction nozzle dispenses the adhesive into the product in a vacuum environment by discharging air from the confined space.