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分析了连接架的加工工艺方案,介绍了所设计模具的主要设计结构特点。该设计利用内导柱导向,使小凸模有良好导向;同时采用四角形分步弯曲和弯曲之后再进行侧抽芯冲孔,保证了冲孔较高的定位尺寸精度;运用套式浮顶器对导正钉进行保护,使导料更精确。该模具把多套工序在一套连续模上,解决了孔边距较小工件用单工序模或复合模冲制有困难问题,提高了生产效率;由于凸、凹模采用了镶拼结构,便于拆卸及刃磨维修。
The processing scheme of the connecting frame is analyzed, and the main design features of the designed die are introduced. The design makes use of the guide of the inner guide column to make the small convex mold have a good guide. At the same time, the side core punching is performed after the stepwise bending and bending of the quadrangle to ensure the high positioning dimensional accuracy of punching. The guide nails are protected so that the guide material is more accurate. The mold sets a plurality of sets of processes on a continuous mold, which solves the problems that the small margin of the holes is difficult to process with the single-process mold or the compound mold and improves the production efficiency. Because the convex mold and the concave mold adopt the mosaic structure, Easy to remove and sharpen maintenance.