The utility model relates to a blowing needle trimming device for a hollow blow molding machine, belonging to the technical field of blow molding machines. It comprises a blowing needle pressing sleeve, a blowing needle adapter sleeve, an air blowing cylinder and an air blowing needle which are sequentially arranged at the lower end of a blowing frame. The air blowing needle is arranged in the air blowing cylinder, the blowing needle adapter sleeve is arranged in the blowing needle pressing sleeve, a clamping part is formed at the upper end of the blowing needle adapter sleeve, a mounting through hole is formed in the blowing needle pressing sleeve, a clamping ring is formed at the lower end of the mounting through hole. When the blowing needle adapter sleeve is arranged in the blowing needle pressing sleeve, the clamping part abuts against the clamping ring, a gap exists between the blowing needle pressing sleeve and the blowing needle adapter sleeve, at least one adjusting bolt for adjusting the gap between the blowing needle adapter sleeve and the blowing needle pressing sleeve is circumferentially arranged on the side surface of the blowing needle pressing sleeve, and the adjusting bolt is fixed on the side surface of the blowing needle pressing sleeve through threads. The purpose of the utility model is to provide a blowing needle trimming device for a hollow blow molding machine, which can form a neat bottle mouth after blow molding and is convenient to debug.
Country Code: CN
Application Number: CN201920385919.5
