1、 I 推拉窗中空光企铝型材挤压模具设计 摘 要 本次设计主要阐述地弹门光企的挤压模具结构设计过程。 设计中分析了挤压模具及地弹门光企的基本结构特点，分析其加工工序，结 合工件的产量和模具设计的复杂程度，确定了生产过程的各个详细的工艺参数及 生产流程。 设计重点阐述了模具的结构设计过程，选择 800 吨的挤压设备，选用 4Cr5MoSiV1 作为模具材料，并确定采用平面分流模、模孔数为 4、模孔为中心对 称分布、模孔外形尺寸的修正及模孔工作带长度并对其进行了强度校核；考虑添 加了模孔形状类似分流孔的导流模，计算了锭坯尺寸、挤压比和挤压力。 最后对挤压工具进行了设计，根据全部零件的结构设计选用合适
2、的磨具尺寸， 其中涉及挤压筒的设计，挤压筒采用三层的结构形式；选择内外套的配合形式及 各项尺寸，并进行强度校核；挤压轴的设计，主要有挤压轴的结构形式及具体尺 寸；挤压垫片设计，主要有尺寸选取及强度校核。最后绘制出各部分图纸。 关键词：推拉窗中空光企、挤压模具，平面分流模，分流孔、导流模 II HOLDS THE PIECE THE PUNCH HOLES TO FALL THE MATERIAL THE CURVING RAMMING MOLD DESIGN ABSTRACT This design mainly expounds the transition of stamping moul
3、d design First, a simple analysis of the design of the development of stampingforming process and the main characteristics of punch forming, stamping and the main structure characteristics, and then from thetitle of basic structure, the author analyzes the processing procedure. Combined with product
4、ion and die design of workpiece, decided to adopt the complexity of punch, blanking, bend a deputy multi-position progressive, and using CAXA, CAD design of mold design and drawing The mould design focuses on process of structural design. First to mould process parameter, the main part of the work related pictures, the main parts of mould structure design, including the workpiece parts, components and parts, the direction positioning unloader device etc, according to the design of structure
