"变压器储油柜端盖模具设计及工艺分析"

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Abstract The structure and processing property of bellows oil conservator end cover for transformers were analyzed. The blank dimensions and pressing force were calculated, with the aim of improving the production efficiency of the end cover. A combined die for blanking, deep drawing, and punching was designed to achieve this goal. Through process analysis and structural design, the feasibility of the combined die was demonstrated, ensuring the quality of the product. In the mold design process, existing knowledge and resources were fully utilized to improve speed and efficiency. Pro/E surface design function was used to quickly calculate the surface area. The stamping die design software was employed to rapidly design the stamping die, with the die strength being inspected. The practice proved that the design speed and efficiency were indeed improved. In this mold design, due to the large stripping force, the advantage of using a combination of large spring force was used to solve this problem. In the mold structure, the punch plate was used as the locating element of the convex mold. However, the small distance between the locating elements could easily cause the convex mold to break. Therefore, a concave mold guiding the convex mold was designed to enhance the strength of the convex mold. Keyword: Blank, Deep Drawing, Punching, Combined Die, Mold Structure 从上述内容可以得出,模具设计是通过对变压器储油柜端盖的结构和成形工艺进行分析和计算,提出了一套集成落料、拉深和冲孔工序的复合模具结构。同时,在模具设计中,利用了现有的知识和资源,通过Pro/E曲面设计功能和冲模设计手册软件版,提高了设计速度和效率。设计中还解决了卸料力大的问题,并增强了凸模的强度。这些设计和优化措施保证了产品质量,并提高了生产效率。