文档介绍：充值下载即送 CAD 图纸, QQ 36396305 1 摘要当今社会,塑料已广泛应用于各个领域。在 21 世纪,塑料材料及塑料加工行业将得到更快的发展; 而挤出机是生产塑料制品的主要途径之一。排气挤出机是在传统挤出机的基础上发展来的特殊机型。本论文主要讨论了 PQJCJ 型排气挤出机的设计问题。在设计过程中, 根据机器的理论挤出量, 首先制定机器设计总体方案, 而后进行主机部分的设计, 这里包括挤压系统和传动系统以及加热冷却系统。挤压系统设计包括: 螺杆, 机筒的设计和校核; 传动系统是是本次设计的基础, 它的设计包括电机选择, 确定传动比, 和传动件参数的验算及校核。( 轴的弯曲钢度, 齿轮的模数验算, 轴承的寿命计算等)。然后是辅机部分的设计, 这部分包括料斗, 分流板, 排气口等的设计。根据欲求产量和技术经济等要求设计合理的材质和尺寸。所有图纸采用 AutoCAD2007 软件完成。到此,本次设计全部结束。关键词: 排气挤出;挤压系统;传动系统;验算校核。排气挤出机毕业设计(论文) 2 Abstract In present society,the plastic is already applied toin every field 21 century,the profession of plastic-material and plastic-processing will develop promptly,and the squeezing machine isthe mainly method ofthe plastic-product,the venting and squeezing machine Exhaust extruder isthe special type that develops in traditional extruder. This paper is mainly to discusse the design problem of venting and squeezing machine of PQCJ the designing course ,according tothe theoretical sqeezing ,Establish overall schem of machine design at first, Then carries out the design ofthe main , include extruding systematic 、 transmission system and the heating and cooling system. the design ofthe squeezing system include: the design of School and screw rod and the checking; Transmission system isthe basic, the design includes generator option, determine transmission,the checking and Calculate of transmission putation .(curved stiffness ofthe arbors,modulus ofthe gears and the service life ofthe bearing) to design with the requirements and technical economy this part clude the design ofthe Funnel of Material 、the board of current cuting 、 Exhaust mouth and so blueprint must pleted bythe software of e to here , design pletely keywords : Venting and squeezing;Squeezing system;Transmission system;Calculate and checking. 充值下载即送 CAD 图纸, QQ 36396305 3 目录 1 概论.................................................................................................................................... 1 塑料机械简介