管帽零件多工位级进模设计

Design on multi-position progressive die for tube cap parts

为了批量生产管帽零件,结合零件的结构特点、精度要求和冲压工艺性,进行了零件的多工位级进模排样设计。因管帽零件较小,为了增加模具强度、便于零件布置,在零件的第2工位设计了空工位,冲零件内孔时需与外圆同心。管帽零件侧壁较薄,需要合理设计拉深高度和拉深次数,以保证零件的精度。条料经过定位块后,继续往右运动,经过侧刃切边,侧刃设计了单侧切边,保证了送料的精度。管帽零件采用4个滚珠导柱导套结构,使具有较高的间隙配合精度。管帽零件结构简单,形状为中心对称体,易实现自动化生产。模具结构设计合理,为多工位级进模设计提供了一定的理论支撑,对指导工程实际生产具有重要的参考意义。

In order to mass produce the tube cap parts, the layout design of multi-position progressive die for the part was carried out according to the structure characteristics, precision requirements and stamping process ability of parts. Because the tube cap part was small, and in order to increase the strength of die and facilitate the layout of part, an empty position was designed in the second position, and when punching the inner hole of the part, it needed to be concentric with the outer circle. Furthermore, because the side wall of the tube cap part was thin, the drawing height and drawing times should be designed reasonably to ensure the precision of the part. After the strip passed through the locating block and moved to the right continually, the side edge trimming was conducted, and the side edge was designed with a single side trimming to ensure the accuracy of feeding. In addition, the tube cap part adopted the structure of four ball guide pins and guide bushings so that it had a higher clearance fit precision. The tube cap part had the advantages of simple structure, central symmetry and easy to realize automatic production, and the design of the die structure was reasonable to provide theoretical support for the design of multi-position progressive die which had important reference significance for guiding the actual production of the project.