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1、青岛农业大学机电工程学院本科生毕业设计（论文）青岛农业大学毕业设计题 目： 螺纹管挤塑机设计 姓 名： 陈凯 学 院： 机电工程学院 专 业： 机械设计制造及其自动化 班 级： 2011.04 学 号： 20112361 指导教师： 周建强 年 月 日青岛农业大学机电工程学院本科生毕业设计（论文）摘 要现如今，塑料工业不断发展和开发，塑料螺纹管和其他品种的塑料管一样，其生产品种和生产工艺也将不断地得到发展，目前已开发出来的有 PVC、ABS、HDPE 等塑料螺纹管，其中 PVC、HDPE 塑料螺纹管应用较为广泛。螺纹管生产效率高，廉价而又实用，是农业灌溉、城市排污、通信电缆保护套等的优质选择。
2、AbstractThe plastics industry is the emerging industry, is in a modern industry important profession, compares it with other industries is young, but prospects for development 青岛农业大学机电工程学院本科生毕业设计（论文）broad Industry sector.In the machine-building industry, the plastic widespread is used for to make th
3、e components, the part. Statistics indicated that probably has 25 plastics to use in mechanical and electrical profession each department every year. Plastic machinery gets up with but step-by-step growing up of development of industry.In the plastic machinery, the plastic extruding machine is one o
4、f most aircraft types, is the plastic products process load biggest one kind of processing machinery. Plastic forces out machine having broad application in modern industry, phi120 plastic extruders among them are used for various thermoplastic plastics mainly to force out molding. If deploying the
5、corresponding hand piece and auxiliary engine , selecting and using the right bolt , being able to Geon (soft or hard) plastic continuation such as polyethylene , polypropylene , ABS be pushed against manufacture the tube , film , bottle , belt , silk , granule , board , heterotypic products such as
6、 material , wire cable. Its main characteristic is: The characteristic, electricity absorbing the advanced abroad product of the same kind charges a box for being composed of the integration form with forcing out machine. Design bolt having various forms, long footpath ratio is big. Adopt the silico
7、n controlled rectifier continuous current dynamo drive, steeples speed regulating is stable reliable, frequency conversion electric motor also available. Machine is set up outside the tube casting the aluminum heater, and be qualified for have a cooling to use a blower. From digital display temperat
8、ure under the control of instrument realization, the automation charges the temperature, fixes the temperature. Have axial force overload protection and the moment of torsion overload protection function. Adopt the intellectualized two digitized obvious temperature to charge an instrument, realizes
9、auto control, under the control of accuracy height. The design designing entire allocation, drive including those phi120 plastic forces out machine this time systematically, bolt axle bearing part structure and their design arranging a form, squeezing system, main part school examines.Key words：Plas
10、tic machinery; Plastic forces out machine; Shan bolt青岛农业大学机电工程学院本科生毕业设计（论文）目 录第 1 章 绪论 .11.1 课题背景 .11.2 课题研究的目的和意义 .11.3 国内外在该方向的研究现状及分析 .2第 2 章 电动机的选择 .52.1 电动机的可选择类型 .52.2 运动情况分析 .62.3 传动系统的总体布置 .72.4 本章小结 .7第 3 章 挤塑机传动系统设计 .83.1 挤塑机工作特性的概念 .83.2 挤塑机功率的确定 .93.3 挤塑机的转速要求及其调速范围 .93.4 传动系统的组成及传动形式 .103.5 传动比的确定及分配 .103.6 计算功率及带轮尺寸的确定 .113.7 行星齿轮减速器的选择 .143.8 本章小结 .15第 4 章 挤塑机螺杆轴承部分的结构及布置形式 .
