Transactions of Materials and Heat Treatment

Title：Structure design on progressive die for decorative buckle

Authors： Wang Fangping Sun Xiaozhu

Unit： Equipment Manufacturing Branch Guiyang Vocational and Technical College

KeyWords： decorative buckle multi-station progressive die ring inverted stamping in sections strip analysis

ClassificationCode：TG385

year,vol(issue):pagenumber：2022,47(6):239-243

Abstract：

For the decorative buckle, it was pointed out that the circular buckle position rolled inward at mouth of product had the difficulty of stamping. A set of multi-station progressive die was designed. In order to punch out the buckle position about 3/4 circumference at the mouth of product, the buckle position of product was punched in three stations, and 1/3 buckle position was punched out in each station. Then, the working procedure die in each station of buckle position was composed of inclined top block, T-shaped guide rail, die, rubber block, ejector rod and nitrogen gas spring, and the nitrogen gas spring pushed the inclined top block out of the die. Furthermore, a multi-station progressive die that could produce two parts at a time was designed to improve the work efficiency of progressive die and save raw materials, and the material lifting structure combining material lifting pin, spring pin and guide pin was adopted so as to lift the material belt smoothly, which overcame the problem that the material could not be lifted by the material lifting pin after blanking the part on material belt. Finally, at the end of the die process, a detection device was installed to detect that the mext stamping was started after the product left the die. The batch production proves that the structure of progressive dis is stable and reliable which has certain reference value.

Funds：

2020年贵州省教育厅职业教育科研项目（GZZJ-Q2020022）；2022年贵阳职业技术学院科研项目（GYZJY2022 YB-04）

王方平（1987-），男，硕士，副教授 E-mail：wfp1008602@126.com

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