Pressurizing glue sprayer for automatic bag making machine

The utility model relates to a pressurizing glue sprayer for an automatic bag making machine. The pressurizing glue sprayer comprises a high-pressure glue barrel (1) and a sprayer (3), wherein the high-pressure glue barrel (1) is a pressurizing container for containing glue and is connected with the sprayer (3) by a hose (2); the sprayer (3) is arranged on the automatic bag making machine (4); a regulating valve and an optoelectronic switch are arranged on the sprayer (3); and the sprayer (3) and the optoelectronic switch on the sprayer (3) are aligned with products on which glue is needed to be sprayed. According to the pressurizing glue sprayer, the sealing pressurizing container is controlled to spray glue by utilizing the optoelectronic switch, the glue outlet amount is controlled by the regulating valve, and a high-pressure area is sealed completely, so that the opportunity that the glue is in contact with air is reduced.