Φ335全自动钢管端面倒棱机自动输送机构的研究
发布时间：2018-10-18 13:46
【摘要】：Φ335全自动钢管端面铣头倒棱机是钢管生产线中的重要精加工设备,本文对Φ335全自动钢管端面铣头倒棱机中自动输送机构进行了综合性的研究,首先对钢管自动输送机构进行了ADAMS优化,优化结果降低了原动件的驱动力和液压能耗。通过对自动输送机构中关键部件进行了强度校核,并且进一步对关键部件进行可靠性分析,从概率论与数理统计的角度说明了关键部件安全可靠的程度。由于关键部件的可靠度过高,从节约材料的角度出发,对关键部件进行了ANSYS结构优化设计,优化结果使关键部件重量减轻并且满足强度和刚度要求。在实现降低能耗和节省材料的目标后,进一步对自动输送机构进行了振动分析,为改善输送机构的振动特性,实现平稳输送提供了数据支撑。在此基础之上,对自动输送机构进行了PLC控制系统设计,实现了自动输送和手动输送两种模式,提高了生产效率。本课题的主要研究内容如下:(1)自动输送机构的驱动力优化对输送机构中的相关杆件进行参数化,然后对机构中液压缸的驱动力采取整体和局部两种优化方案,从两种优化方案中选取最优方案,实现最大程度降低液压缸能耗的目的。优化结果使升降机构和横移机构的平均驱动力分别下降59.4%和72.7%。(2)关键部件的强度校核和可靠性分析在ANSYS中求解出输送机构关键部件在最大载荷下的应力分布,从而根据强度理论进行关键部件的强度校核。由于基于安全系数法的强度校核不能定量说明杆件安全可靠的程度,为此根据ADAMS后处理模块中分析出载荷在正态分布下的均值和标准差,从而进一步对关键部件的可靠性进行分析,从数理统计与概率论的角度说明了两关键部件可靠度均为99.99%以上。(3)关键部件的轻量化设计由于自动输送机构中关键部件的可靠度过高,从节省材料实现最大经济效益的目标出发,对关键部件进行了ANSYS结构优化,优化结果使两关键部件的重量分别下降19.29%和34.98%,实现了关键部件的轻量化设计。(4)自动输送机构的振动分析对钢管自动输送机构进行自由振动分析和受迫振动分析,测量出机构的频率响应数据,从而了解到输送机构的振动特性,为避开共振实现平稳输送提供了数据参考。(5)PLC控制系统设计根据该输送机构的运动要求,设计了基于顺序控制的PLC控制系统,该控制系统具有自动和手动控制模式,通过确精地自动化输送提高了生产效率,同时手动输送可以实现特殊工况下的点动输送。
[Abstract]:桅 335 automatic pipe end milling head chamfering machine is an important finishing equipment in steel pipe production line. In this paper, the automatic conveying mechanism of 桅 335 automatic pipe end milling head chamfering machine is studied comprehensively. First, the ADAMS optimization of the steel pipe automatic conveying mechanism is carried out, and the optimization results reduce the driving force and the hydraulic energy consumption of the original moving parts. By checking the strength of the key components in the automatic conveying mechanism and further analyzing the reliability of the key components, the degree of safety and reliability of the key components is explained from the point of view of probability theory and mathematical statistics. Due to the high reliability of the key components, the ANSYS structural optimization design of the key components is carried out from the point of view of material saving. The optimization results reduce the weight of the key components and meet the requirements of strength and stiffness. After realizing the goal of reducing energy consumption and saving materials, the vibration analysis of the automatic conveying mechanism is carried out, which provides data support for improving the vibration characteristics of the conveying mechanism and realizing the smooth transportation. On the basis of this, the PLC control system of the automatic conveying mechanism is designed, and the two modes of automatic conveying and manual conveying are realized, and the production efficiency is improved. The main research contents of this paper are as follows: (1) the driving force optimization of the automatic conveying mechanism parameterizes the related members of the conveying mechanism, and then adopts two optimization schemes of the driving force of the hydraulic cylinder in the mechanism, one is the whole and the other is the local one. The purpose of minimizing the energy consumption of hydraulic cylinder is achieved by selecting the optimal scheme from two kinds of optimization schemes. The results of optimization reduce the average driving force of lifting mechanism and transverse mechanism by 59.4% and 72.7% respectively. (2) strength check and reliability analysis of key components are used in ANSYS to find out the stress distribution of the key parts of the conveying mechanism under the maximum load. According to the strength theory, the strength check of the key parts is carried out. Because the strength check based on the safety factor method can not quantitatively explain the safety and reliability of the bar, the mean value and standard deviation of the load under normal distribution are analyzed according to the ADAMS post-processing module. In order to further analyze the reliability of key components, From the point of view of mathematical statistics and probability theory, it is shown that the reliability of the two key components is above 99.99%. (3) the lightweight design of the key components is due to the high reliability of the key components in the automatic conveying mechanism. In order to save materials and achieve maximum economic benefit, the ANSYS structure of key components is optimized. The optimization results reduce the weight of the two key components by 19.29% and 34.98%, respectively. The lightweight design of the key components is realized. (4) the vibration analysis of the automatic conveying mechanism is carried out on the free vibration analysis and forced vibration analysis of the steel pipe automatic conveying mechanism. The frequency response data of the mechanism are measured, and the vibration characteristics of the conveying mechanism are understood, which provides a data reference for the smooth transmission without resonance. (5) the design of the PLC control system is based on the motion requirements of the conveying mechanism. The PLC control system based on sequential control is designed. The control system has automatic and manual control mode, which improves the production efficiency by means of accurate and automatic transportation, and can realize the point moving transport under special working conditions.
【学位授予单位】：天津理工大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TH22
本文编号：2279311
[Abstract]:桅 335 automatic pipe end milling head chamfering machine is an important finishing equipment in steel pipe production line. In this paper, the automatic conveying mechanism of 桅 335 automatic pipe end milling head chamfering machine is studied comprehensively. First, the ADAMS optimization of the steel pipe automatic conveying mechanism is carried out, and the optimization results reduce the driving force and the hydraulic energy consumption of the original moving parts. By checking the strength of the key components in the automatic conveying mechanism and further analyzing the reliability of the key components, the degree of safety and reliability of the key components is explained from the point of view of probability theory and mathematical statistics. Due to the high reliability of the key components, the ANSYS structural optimization design of the key components is carried out from the point of view of material saving. The optimization results reduce the weight of the key components and meet the requirements of strength and stiffness. After realizing the goal of reducing energy consumption and saving materials, the vibration analysis of the automatic conveying mechanism is carried out, which provides data support for improving the vibration characteristics of the conveying mechanism and realizing the smooth transportation. On the basis of this, the PLC control system of the automatic conveying mechanism is designed, and the two modes of automatic conveying and manual conveying are realized, and the production efficiency is improved. The main research contents of this paper are as follows: (1) the driving force optimization of the automatic conveying mechanism parameterizes the related members of the conveying mechanism, and then adopts two optimization schemes of the driving force of the hydraulic cylinder in the mechanism, one is the whole and the other is the local one. The purpose of minimizing the energy consumption of hydraulic cylinder is achieved by selecting the optimal scheme from two kinds of optimization schemes. The results of optimization reduce the average driving force of lifting mechanism and transverse mechanism by 59.4% and 72.7% respectively. (2) strength check and reliability analysis of key components are used in ANSYS to find out the stress distribution of the key parts of the conveying mechanism under the maximum load. According to the strength theory, the strength check of the key parts is carried out. Because the strength check based on the safety factor method can not quantitatively explain the safety and reliability of the bar, the mean value and standard deviation of the load under normal distribution are analyzed according to the ADAMS post-processing module. In order to further analyze the reliability of key components, From the point of view of mathematical statistics and probability theory, it is shown that the reliability of the two key components is above 99.99%. (3) the lightweight design of the key components is due to the high reliability of the key components in the automatic conveying mechanism. In order to save materials and achieve maximum economic benefit, the ANSYS structure of key components is optimized. The optimization results reduce the weight of the two key components by 19.29% and 34.98%, respectively. The lightweight design of the key components is realized. (4) the vibration analysis of the automatic conveying mechanism is carried out on the free vibration analysis and forced vibration analysis of the steel pipe automatic conveying mechanism. The frequency response data of the mechanism are measured, and the vibration characteristics of the conveying mechanism are understood, which provides a data reference for the smooth transmission without resonance. (5) the design of the PLC control system is based on the motion requirements of the conveying mechanism. The PLC control system based on sequential control is designed. The control system has automatic and manual control mode, which improves the production efficiency by means of accurate and automatic transportation, and can realize the point moving transport under special working conditions.
【学位授予单位】：天津理工大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TH22
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