锻压技术

插头外壳连续拉深模设计与制造

英文标题：Design and manufacture of continuous deep drawing die for plug shell

作者：刘海渔

单位：湖南汽车工程职业学院

分类号：TG386.2

出版年,卷(期):页码：2015,40(12):97-101

摘要：

家用电器的插头外壳属阶梯筒形件，内径由Φ9.7±0.03 mm、Φ8.7±0.03 mm和口部Φ10.8±0.05 mm这3个尺寸组成，总高为24.5 mm，其尺寸精度要求较高。通过对插头外壳的阶梯拉深成形工艺特点进行分析及计算，设计了连续拉深冲压工艺并确定了拉深成形工艺参数。介绍了14工位双侧载体、内外圈切口及3点搭边的排样设计图、模具结构设计特点以及模具制造工艺，以列表形式对各模板的材料选用、热处理硬度及线切割加工工艺作了说明。拉深成形试验表明，该模具配合拉料形式代替送料方式，可以实现自动化生产，模具结构安全可靠，成形试件质量合格。

Plug shell of household appliances is of stepped cylindrical member with inner diameter(Φ9.7±0.03)mm, (Φ8.7±0.03)mm, mouth size (Φ10.8±0.05)mm and height 24.5 mm, which requires high dimensional accuracy. According to the analysis and calculation about the plug shell drawing forming process, the stamping process of continuous deep drawing was designed, and the process parameters were determined. It is then introduced the 14 stations bilateral carrier, the inside and outside circle incision, the nesting design figure with three-points take sides, die structure design characteristics and die manufacturing process. The material selection, heat treatment hardness and wire cutting process for each part were described by listing. Deep drawing experiments show that the automatic production can be realized by replacing feeding type from pull rod type. Therefore, the die structure is safe and reliable, and the forming quality is ensured.

基金项目：

湖南省情与决策咨询研究课题（2015BZ015）

作者简介：刘海渔（1968-），男，学士，副教授

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