糖果枕式包裝機總體設(shè)計及橫封切斷裝置設(shè)計
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- 設(shè)計說明書糖果枕式包裝機總體設(shè)計及橫封切斷裝置設(shè)計
摘要：本課題是設(shè)計一臺目前較為熱門的糖果枕式包裝機。在分析了包裝機的基本工作原理、特點及應(yīng)用的基礎(chǔ)上，對包裝機的總體和橫封切斷裝置做了相應(yīng)的設(shè)計計算，完成了一套完整的機械設(shè)計過程。在總體設(shè)計中，主要是確定結(jié)構(gòu)，分配傳動。主傳動部分是從電機減速機傳到齒輪，通過一對齒輪傳動帶動主傳動軸。然后由主傳動軸來傳遞運動和動力。在該橫封切斷裝置的結(jié)構(gòu)設(shè)計中，主要采用了凸輪來控制封切頭的間歇運動，由橫封滑桿、回位彈簧和旋轉(zhuǎn)凸輪三部分組成。凸輪采用柔性沖擊輪廓曲線， 使得封口器在封口瞬間既降低了沖擊又保證了封口性能。所設(shè)計的設(shè)備應(yīng)結(jié)構(gòu)簡單、運轉(zhuǎn)平穩(wěn)，工作可靠，易于維修，能滿足糖果包裝要求，便于調(diào)整。
關(guān)鍵詞：包裝機；主傳動；橫封橫切斷裝置；旋轉(zhuǎn)凸輪；回位彈簧
The Design of the General and Sealing and Trimming Mechanism of the Pillow-style Candy Packing Machine
abstract：This topic is about the popular pillow--style candy packing machine .After analyzing the working theory , the features and the application of packing machine, on this base, it gives a corresponding calculation of the general and the cross sealing and trimming mechanism, completes a set of mechanical design process. In the general design, the emphasis is to decide the structure of the machine and the allocation of transmission ratio. The main theory of the transmission part is motors transmit the drive to the two gears which drives the main spindle and the spindle will transfer the movement and driving force. The cross sealing and trimming mechanism is composed of three parts, namely the sliding cross seal, the return spring and the cam which spins in work and causes the trimmer move intermittently. The cam uses flexible impact profile curve. With this kind of cam, it makes sealing device not only can reduce the impact but also ensure the sealing properties in the instant of sealing . According to the design described in this paper, the packing machine should be simple structure, steady operation and convenient maintenance.
Key words：packing machine；the main transmission；the cross sealing and trimming mechanism；spinning cam；return spring
目 錄
1前言 1
2糖果枕式包裝機的總體設(shè)計 3
2.1設(shè)計參數(shù)要求： 3
2.2總體方案設(shè)計 3
2.3傳動裝置的設(shè)計 6
2.3.1傳動路線 6
2.3.2電動機的選擇 6
2.3.3分配各級傳動比 7
2.4定量供料裝置的設(shè)計 8
2.5制袋成型器的設(shè)計 8
3機械傳動件的設(shè)計 10
3.1齒輪的設(shè)計和強度校核 10
3.2軸的設(shè)計 13
3.2.1軸的最小直徑估算： 13
3.2.2確定各軸段尺寸 13
3.2.3 軸上零件的定位與固定 14
3.3鍵的強度計算 14
4橫封切斷裝置設(shè)計 16
4.1凸輪的設(shè)計 16
4.2彈簧的設(shè)計計算 17
4.3軸承的選擇 19
4.4導(dǎo)桿套的設(shè)計 20
4.5封切頭的設(shè)計 20
5 結(jié)論 22
致 謝 23
參考文獻 24
附 錄 25...
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