A hollow blow molding machine with blowing needle oil cylinder height adjustment relates to the technical field of hollow blow molding machines; it comprises a locking plate, a limiting block, a blowing needle oil cylinder, a threaded sleeve, a large gear, an adjusting rod, a universal coupling, a spring, a guide seat, a cotter pin, a shaft, a small gear and a connecting pin; the locking plate and the limiting block are respectively fixed at the upper end of the piston rod of the blowing needle oil cylinder through threads, the threaded sleeve is fixed at the middle part of the piston rod of the blowing needle oil cylinder through screws, the large gear is fixed on the threaded sleeve through threads, the spring is sleeved on the shaft, the small gear is fixed on the shaft through a connecting pin, the shaft is slidably connected with the guide seat, and the adjusting rod is connected with the shaft through a universal coupling; the large gear is meshed with the small gear. In the hollow blow molding machine with blowing needle oil cylinder height adjustment in the utility model, the blowing needle adjustment can be carried out outside the equipment fence, and the oil cylinder position is conveniently locked to prevent the position deviation caused by the movement of the blowing needle oil cylinder.
Country Code: CN
Application Number: CN201920704819.4
