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黃河科技學院畢業(yè)設計（論文） 第 III 頁
干粉混拌機設計
摘 要
隨著科學技術的發(fā)展，制造技術的進步，以及社會對產(chǎn)品質量和品種多樣化的要求越來越強烈。中、小批量生產(chǎn)的比例明顯增加，要求現(xiàn)代干粉混拌機成為一種高效、復合、集成功能和低成本的自動化加工設備。同時，為滿足制造業(yè)向更高層次發(fā)展，為柔性制造單元、柔性制造系統(tǒng)，以及計算機集成制造系統(tǒng)提供基礎設備，也要求干粉混拌機向更高水平發(fā)展。
在干粉混拌機行業(yè)制造中，混拌機的效率都不是很高，尤其是大批量生產(chǎn)的時候。為了解決這類問題，現(xiàn)在采用的辦法是：設計一種雙軸的干粉混拌機，這樣一來雙軸槳葉混合機有強烈、高效的特點，而且混合時間短。臥式筒體內兩根攪拌軸等速反向旋轉，軸上特殊角度布置的槳葉確保物料徑向、環(huán)向、軸向三向拋灑運動，形成復合循環(huán)，在極短的時間內達到均勻混合。
本設計通過對干粉混拌工藝分析，確定了無重力雙軸干粉混拌機設計方案。根據(jù)設計參數(shù)，選擇了電動機，對主要結構進行了詳細地設計，并對位置調節(jié)機構、聯(lián)接機構等也進行了簡單地設計。
關鍵字：雙軸槳葉、干粉混拌機機、電動機
Dry powder mixing machine design
Author：Luo Guanzhong
Tutor：Kang Hongwei
Abstract
With the development of science and technology, the improvement of manufacturing technology, as well as social on product quality and variety of the increasingly strong demand. In small batch production, the proportion increased significantly, the demands of modern dry powder mixing machine becomes a kind of high efficient, complex, integrated function and low cost automatic processing equipment. At the same time, in order to satisfy the manufacturing industry to a higher level of development, as the flexible manufacturing unit, flexible manufacturing system, computer integrated manufacturing system provides the basic equipment, also called dry powder mixing machine to develop to higher level.
In the dry powder mixing machine manufacturing industry, mixing machine efficiency is not very high, especially when large batch production. In order to solve this problem, now used approach is: design a gravity biaxial powder mixing machine, thus the gravity-free twin-shaft paddle mixer with strong, high efficiency, and short mixing time. In horizontal tube the two stirring shafts isokinetic reverse rotation, axis angle arrangement to ensure that materials special blade radial, circumferential, axial three to throwing motion, to form a composite circulation, in a very short time to achieve uniform mixing.
Through the design of the dry powder mixing process analysis, identified the gravity-free twin-shaft powder mixing machine design scheme. According to the design parameters, selection of the motor, the main structure was designed in detail, and the position adjusting mechanism, coupling mechanism are simply design.
Keywords: twin-shaft paddle, dry powder mixing machine, motor
目錄
1緒 論 2
1.1 課題的背景及目的 2
1.2 國內干粉砂漿技術發(fā)展的狀況 4
1.3 干粉混拌機的分類及特點 6
1.4 干粉混拌機的適用范圍 7
2 總體方案設計 8
2.1 工藝方案的分析與設計 8
2.2 傳動方案分析與設計 9
2.3 電動機的選擇 10
2.4 減速器的選擇 10
2.5 鏈輪的計算及鏈條的選擇 10
2.6 軸的設計與計算 14
結 論 17
致 謝 18
參考文獻 19