全電立式射出機射出系統之設計

A Study of the Design for the Injection System of A Fully Electric Vertical Injection Molding Machine

指導教授 : 黃榮堂    研究生 : 陳文陽  機電整合研究所 88年


摘要

本研究主要在探討完全電器驅動的立式射出機(Fully Electric Vertical Injection Mold-ing Machine),首先使用3D繪圖軟體SolidWorks 98,以模組化的設計程序,就一般30噸射出機的規格提出一個包含射出、計量與射座單元的馬達傳動機構設計,包含動力系統的分析與設計、伺服馬達容量大小的選定以及機械結構的有限元素應力應變分析與設計(使用SolidWorks外掛之FEM模組:COSMOS 4.0)。
本研究第二階段是設計高速射出機,以市場上先進機種的性能規格以及廠商相關的實務經驗做引導,對高速射出所面臨的問題與解決對策進行研究,同時亦提出一低驅動慣量的射出機構(柱塞式射出機構),可使射出機在達到高速與高響應性的性能時,其驅動單元的動力需求更為經濟,而且結構穩定性更佳。
本研究特別強調產業界或學術界欲開發一個新產品時應做的準備工作,尤其是對國內外專利的完整探討,因此不僅能補足學術論文探討在具體性及實用性上的欠缺,更為可新產品開發時衍生的新技術預作專利申請的準備,達到智慧財產權的保護作用及提升附加價值。

ABSTRACT

This study is aimed to develop the injection system of a vertical-type fully electric injection-molding machine. A design of the motor-drive mechanism for a 30-ton injection-molding machine, which includes injection unit, measurement unit and screw-holding unit, is presented. The modularized design method is applied in this design with the 3D CAD software-SolidWorks 98. The new design has been verified by the stress analysis through the finite-element analysis software-COSMOS 4.0.
This study has also developed the drive system and the structure for the high-speed fully electric molding machines according to the specifications of the current advanced molding machines as well as the practical design experience from the industry. This could include three major parts: material, mold and machine itself. For the machine part, an optimum drive mechanism with low inertia is designed through COSMOS. A plunger-type injection mechanism with high-speed and high-response is also presented. It has the advantages of economical drive unit and good stability of the structure. The results could provide the future research in this area as a reference.
This study also emphasizes on the prepared work for the development of a new product for industry and academia, especially on the completed study of the related patents in the world. Not only it could fill the gap between the theory and the applicability, but also could prepare to file the patent application for the new technology during the development in order to protect the intellectual property as well as to increase the additional value of the product.