The present application discloses an air guide structure for a hollow blow molding machine, relating to the technical field of hollow blow molding machines. The air guide structure comprises a connecting block formed with a first flow passage, one port of which is used for connecting to an air source and the other port for connecting to a plastic parison. The connecting block is further formed with a second flow passage, one port of which is used for connecting to the plastic parison and the other port for connecting to the external environment. The second flow passage is provided with an opening and closing member and a pressure detecting member. The connecting block is provided with a control module that controls the opening and closing member to open or close the second flow passage in response to a detection signal from the pressure detecting member. The present application makes it difficult for dirt inside the product to flow back.
Country Code: CN
Application Number: CN202421521504.3
