毕业设计（论文）电饭煲传感器外壳冲压工艺与模具设计.docxVIP

摘 要本文讲述了电饭煲传感器外壳采用冲压模具制造的简单过程。首先本文对冲压模具市场前景作了简要分析，其次对电饭煲传感器外壳零件做了简单分析，又对制作工艺做了简单的计算。本文对电饭煲传感器外壳的工艺进行了分析和计算，最终确定了基本的工艺方案，采用落料、拉深、冲孔复合模进行加工。并对卸料力、顶件力和拉深力等进行了详细的计算。还写了在设计过程中模具的结构，主要有凸凹模的设计、落料模的设计、拉深模的设计、冲孔模的设计。重点对落料凹模、拉伸凸模、冲孔凸模和卸料装置进行了详细的计算，其中还对卸料弹簧的应力进行了校核。对排样图、压力中心的分析计算。为了能使设计更加清晰，还用CAD软件画了模具的剖视图、零件图等。利用三维软件画出了实体图。关键词：凹凸模;落料凸模;拉伸凸模;冲孔凸模;工艺计算ABSTRACTThis paper describes the simple process of the application of stamping mould for the electric cooker sensor casing. Firstly, the market foreground of the pressing mould is analyzed briefly, and the second is the simple analysis of the shell parts of the electric cooker sensors, and the production process is calculated. In this paper, the calculation of the technology of the electric cooker sensor casing, as well as the unloading force, the top force and the drawing force and so on. Also wrote in the production process of the structure of the mold, mainly the design of concave and convex die, blanking die design, drawing die design, punching die design. The paper focuses on the detailed calculation of blanking die, stretching convex mould and punching die unloading device, which also check the stress of unloading spring. Analysis and calculation of the layout and pressure center. In order to make the design clearer and CAD software to draw the mold cross-section, parts drawings and so on. The entity graph is drawn with 3d software. Keywords: Bump die;Blanking convex die;Stretch convex mold;Punching punch;Process calculation目 录1 绪论11.1 设计的背景和意义11.2 冲压模具市场情况11.3 冲压模具未来的发展重点与展望21.4 设计的内容和思路21.5 解决的主要问题22 冲压件工艺分析33 工艺计算43.1 拉深件展开尺寸计算43.2 冲压工艺力的计算43.2.1 冲裁力的计算43.2.2 卸料力、顶件力及推件力的计算53.2.3 拉深力的近似计算53.2.4 拉深功的计算63.3 冲压设备的选择64 模具主要工作部分的尺寸计算94.1 落料刃口尺寸计算94.2 拉深工作部分尺寸确定94.3 排样图的设计与材料利用率的计算124.4 压力中心的计算135 模具主要零件设计与选择145.1 拉深凸模设计145.2 冲孔凸模设计145.2.1 凸模承压力校核145.2.2 抗纵向弯曲应力的校核155.2.3 冲孔凸模固定端面的压力155.3 垫板尺寸的选择165.4 落料凹模165.5 卸料装置的设计175.6 弹簧设计195.6.1 弹簧材料及许用应力195.6.2 弹簧相关几何尺寸的计算195.6.3 卸料弹簧的选择215.6.4 卸料弹簧有关尺寸计算225.7 挡料销的设计235.8 弹顶装置的设计235.9