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黑龍江工程學院本科生畢業(yè)論文
摘 要
混合單元操作廣泛應用于化工、醫(yī)藥、食品、粉末冶金、涂料、電子、軍工、材料等領域及新材料技術領域, 為保證固體粉末特別是對于有一定潮濕度和團聚粘結(jié)傾向的半干粉料之間的均勻混合，混合機械設備的選擇至關重要。國產(chǎn)優(yōu)質(zhì)混合機基本上以采用上世紀80年代由合肥輕機（合肥中辰前身）引進的日本三菱技術為主。但這一技術在大量產(chǎn)和自動化控制上已經(jīng)顯出不足。隨著飲料工業(yè)的持續(xù)、健康發(fā)展，國內(nèi)企業(yè)對高端設備的需求也在不斷增加，且一直依賴進口。為了改變這一局面，我國憑借多年的研究、制作混合機的經(jīng)驗，組織技術力量在廣泛學習國外最新技術的基礎上。從1990年至今，混合機從無到有，并逐漸形成規(guī)模生產(chǎn)，已廣泛應用于生產(chǎn)實踐中并且已有少量出口。在設計過程中，努力實現(xiàn)混合機的混合速度快、混合效果好。
本次設計的行星運動螺旋式混合機主要用于粉體混合。它的執(zhí)行機構有兩部分；一是通過三對錐齒輪傳動的自轉(zhuǎn)部分，二是由一對直齒輪和一對蝸輪蝸桿傳動的公轉(zhuǎn)部分。該機的機構設計，其主要設計內(nèi)容是傳動裝置的設計，電動機的選擇，減速器的設計，攪拌器的設計以及箱體的簡單設計。最后進行總體的裝配，達到設計的要求，本設計說明書對其進行了詳細的闡述。
關鍵詞：混合機；行星運動；自轉(zhuǎn)；公轉(zhuǎn)；減速器；螺旋
ABSTRACT
Mixers are widely used in high-tech fields of chemicals, medication, food industry, powder and metallurgy, paints, electronics, military and materials. In order to warrantee the mild blend between powder of humidity and half-dried with tendency of aggregative cohersion, it is critical to choose the right blending machine.Domestic quality mixers are basically to use the last century 80 's the Hefei light machine (predecessor of the Hefei zhongchen) introduced by Japan Mitsubishi technology . But this technique has shown less than in a lot of production and Automation control .With the sustained and healthy development of the beverage industry, domestic enterprises ' increasing demand for high-end devices, and has relied on imports.In order to change this situation, with many years of experience in research, production mixer, organizational technology in a wide range of study abroad on the basis of the latest technologies.From 1990 to the present, mixing machine from scratch, and gradually achieve scale production, has been widely applied in practice and has a limited number of exports.During the design process to achieve mixer mixing speed, blend well.
In this design the blending machine of spiral type with planetary motion is mainly used in blending different powders. There are two actuators in this machine, one is the autorotation driven by three pair of bevel gear, the other is the revolution driven by a pair of straight and worm gear transmission. And the main parts of this design are about the design of drive and decelerator, choose of motor, design of blender and box. In the end the assembly of whole parts and the requirement of design are elaborated.
Key words: Blender；Planetary motion；Autorotation； Revolution；Decelerator; Helicism
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