The present invention discloses a blow pin adjusting device for a hollow blow molding machine, relating to the technical field of hollow blow molding machines. The device comprises a frame; a propelling device connected to the lower end of the frame; a blow pin adjusting mechanism comprising a first motor, a first reducer, a rotating shell, an electronically controlled four-way valve and a blow pin. The first motor is connected to the power output end of the propelling device, the rotating shell is connected to the power output end of the first motor through the first reducer, the blow pin is installed in the rotating shell and extends to the outside of the rotating shell, the electronically controlled four-way valve is installed inside the rotating shell, one end of the electronically controlled four-way valve is connected with a high-pressure air inlet pipe, and the other end is connected with the blow pin. The blow pin adjusting device for a hollow blow molding machine provided by the present invention uses blow pins of different sizes for blow molding according to production requirements, and has high working efficiency.
Country Code: CN
Application Number: CN202111594150.6
