The present utility model discloses a novel screw for PETG extrusion blow molding machine, comprising a primary threaded rod, a three‑section threaded connector structure, an oil outlet, a connecting rod, a collecting box, a filter screen, an adjustable extension rod structure and a plug. The three‑section threaded connector structure is connected with the primary threaded rod; the oil outlet is formed at the lower part of the right side of the collecting box; the connecting rod is connected with the three‑section threaded connector structure; the collecting box is welded at the lower end of the connecting rod; the filter screen is transversely screwed on the upper part of the inner side of the collecting box; the adjustable extension rod structure is connected with the primary threaded rod; the plug is inserted into the lower side of the oil outlet. By arranging an adjusting nozzle, a connecting pipe and an extension threaded pipe, the adjusting nozzle and the connecting pipe can be rotated to control the extension threaded pipe to move left and right for extending the screw, so that the screw can meet working requirements of different lengths.
Country Code: CN
Application Number: CN202021217784.0
