Threading auxiliary device for glass steel tube production and rapid threading method

• Main Authors: LUO CONGHUI, ZHOU DEMIN, ZHANG GUIYONG, JU DAWEI, YANG LIMING, FANG ZHENHONG, ZHANG WEI, LI LINGXIAO, WU CHANGSHENG, HAO JUNWEI, MA WU
• Format: Patent
• Language: Chinese; English
• Published: 26.02.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to a threading auxiliary device for glass reinforced plastic pipe production and a rapid threading method. The threading auxiliary device comprises a threading device body, wherein the threading device body is provided with a plurality of side surfaces, the side surfaces are sequentially connected to form a closed annular surface, at least two adjacent side surfaces in each side surface are respectively provided with a group of guide tooth groups, each guide tooth group comprises N guide teeth which are sequentially arranged at a certain interval A, the number N of the guide teeth of each guide tooth group 3 is the same, and the intervals A of the guide teeth in each guide tooth group are different; a thread passing groove with the depth of H1 is formed in the tooth head of each guide tooth, and the distance between the groove bottom of each thread passing groove and the side face, connected with the corresponding guide tooth, of the threading device body is H2. When the annular surface