【摘要】：傳統(tǒng)針織裝備在編織過程中采用機(jī)械式選針原理,選針機(jī)構(gòu)與編織機(jī)構(gòu)因機(jī)械動(dòng)作而產(chǎn)生沖擊與摩擦,因而在現(xiàn)有機(jī)械式選針方式中進(jìn)一步提高針織圓緯機(jī)效率將受到限制。本文提出一種磁懸浮驅(qū)動(dòng)織針原理模式,實(shí)現(xiàn)“以電代機(jī)”的“零傳動(dòng)”織針模式,從工藝原理上消除了機(jī)械結(jié)構(gòu)中的剛性接觸、沖擊、摩擦等影響。本文研究是在國(guó)家自然科學(xué)基金項(xiàng)目(51305309)的資助下,基于以磁懸浮式驅(qū)動(dòng)針織原理基礎(chǔ)上,針對(duì)針織圓緯機(jī)關(guān)鍵技術(shù)展開研究,其重點(diǎn)研究?jī)?nèi)容有:分析驅(qū)動(dòng)織針受力模型,建立電磁驅(qū)動(dòng)磁力模型,通過數(shù)值計(jì)算與實(shí)驗(yàn)測(cè)量驗(yàn)證了理論推導(dǎo)的有效性;建立線圈結(jié)構(gòu)與磁力耦合關(guān)系模型,分析和求解不同驅(qū)動(dòng)結(jié)構(gòu)下磁力分布規(guī)律;通過遺傳算法,結(jié)合蒙特卡羅方法優(yōu)化驅(qū)動(dòng)尺寸與結(jié)構(gòu),由數(shù)值計(jì)算與有限元計(jì)算比較驗(yàn)證優(yōu)化后的驅(qū)動(dòng)結(jié)構(gòu)的合理性;使用高導(dǎo)磁筒壁束縛驅(qū)動(dòng)組件磁場(chǎng),解決驅(qū)動(dòng)組件間磁場(chǎng)相互耦合問題,通過對(duì)磁路分析說明了高導(dǎo)磁筒壁的作用機(jī)理,分析了高導(dǎo)磁筒壁對(duì)磁力分布的影響,并提出解決方案,通過有限元仿真驗(yàn)證了解決方案的可行性。本文搭建了高速磁懸浮驅(qū)動(dòng)織針實(shí)驗(yàn)平臺(tái)及實(shí)驗(yàn)樣機(jī),通過實(shí)驗(yàn)樣機(jī)調(diào)試其結(jié)果證明磁懸浮驅(qū)動(dòng)織針原理、理論分析及設(shè)計(jì)方法符合針織圓機(jī)性能要求,為進(jìn)一步開展磁懸浮驅(qū)動(dòng)針織圓機(jī)實(shí)用化提供技術(shù)支持。
[Abstract]:The traditional knitting equipment adopts the principle of mechanical needle selection in the process of knitting. The needle selecting mechanism and knitting mechanism produce impact and friction because of mechanical action, so it will be limited to further improve the efficiency of knitting circular weft knitting machine in the existing mechanical needle selection mode. In this paper, a principle mode of magnetic levitation driven needle weaving is presented, which realizes the "zero drive" needle mode of "electric replacement machine", which eliminates the influence of rigid contact, impact and friction in mechanical structure from the principle of technology. Based on the principle of maglev driven knitting and supported by the National Natural Science Foundation of China (51305309), the key technology of circular knitting machine is studied in this paper. The main research contents are as follows: analyzing the force model of driving knitting needle, The electromagnetic driving magnetic force model is established, and the validity of the theoretical derivation is verified by numerical calculation and experimental measurement. The coupling model of coil structure and magnetic force is established, and the distribution of magnetic force under different driving structures is analyzed and solved. Through genetic algorithm and Monte Carlo method to optimize the drive size and structure, numerical calculation and finite element calculation are compared to verify the rationality of the optimized drive structure. The magnetic field of the high magnetic cylinder wall is used to solve the problem of magnetic field coupling between the driving components. Through the analysis of magnetic circuit, the mechanism of the high magnetic conductivity cylinder wall is explained, and the influence of the high magnetic tube wall on the magnetic force distribution is analyzed. The feasibility of the solution is verified by finite element simulation. In this paper, the experimental platform and prototype of high speed maglev driven knitting needle are built. The results of debugging the experimental prototype prove that the principle, theoretical analysis and design method of magnetic levitation drive needle can meet the performance requirements of circular knitting machine. It provides technical support for further practical application of maglev driven circular knitting machine.
【學(xué)位授予單位】：武漢紡織大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TS183.41

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本文編號(hào)：2295568