【正文】 和重力G的關系是G=mg,g為重力加速度，所以J與GD*D的關系是（GD*D）*M=4(g)m/s*s(J)*m 因此，由所有公式和理論計算所得，電機如果采用3800瓦,*,那么搖桿和擺臂的尺寸都要達到圖上所示的尺寸,(具體見零件圖),縱封熱封上下往復運動的頻才能在35130次/.第 3 章 結論隨著科學發(fā)展的日新月異，現(xiàn)代工業(yè)越來越要求更高的生產(chǎn)效率，自動線生產(chǎn)已成為工業(yè)發(fā)展的必然趨勢，為了能在今后的工作生活中有廣較好的基礎，所以我選擇設計了現(xiàn)代工業(yè)最常見的基礎設備制袋機 通過此次畢業(yè)設計，我在指導老師的關心及指導下，已基本掌握了有關的制袋機的一般理論知識，已逐步完善了設計中獨立思維的能力，遇到了不懂的就問指導老師或與其他同學討論也已成為我一良好的習慣，因此總的來說，我受益匪淺。 總之，在即將走上工作崗位之際，通過此次設計，我學到了許多東西，這些都將在今后共和國起著不可替代的作用，我將力爭運用的所學知識，使理論與實際相結合，為社會主義現(xiàn)代化事業(yè)作出更大的貢獻。首先我要感謝我的導師于鋒教授，本論文的所有工作都是在于老師的悉心指導下完成的。使我拓展了知識面，更使我在發(fā)現(xiàn)問題、分析問題方面都有了明顯提高，這一切都將使我受益終生。此外，學工辦的王凱老師等在大學生活和學習期間給予了我無私的幫助，在這里對他們表示忠心的感謝。感謝父母的養(yǎng)育之恩，感謝女朋友的關心和愛護，是他們的支持和激勵促使我不斷進步。s synchronization, provides one kind for the bagmaking machine based on the puter control integration solution. The bagmaking machine is on the processed foods production line manufactures bag39。s control system mainly includes: The main actuation electrical machinery servocontrol, the fixedlength positioning control system, the tensity control system, the temperature control system, to feed control system and the electrooptic correct an error the control system. At present, the most bagmaking machine control system39。s reliability, to further enhance system39。s pressure, causes high and low two heatseal material each other to fuse together in together, after the cooling, can maintain certain intensity, has leakproof and so on good. The heatseal good bag may according to need to carry on processings and so on punch and margin, finally pletes the dinking die by the dinking die installment, makes the end product bag.Bagmaking machine39。s motion control, this contained feed bag39。s maintainability.The main servo electrical machinery39。s speed to control hot knife39。s control is the position control, must realize the fixedlength localization hauling. These three servo electrical machinery39。s motion control based on the PC machine main line39。s hardware, favored each servo electrical machinery39。s control.Fixedlength, the positioning control must have custommade in firmly the bag process bag39。s quality has the material effect to the product quality, when plete machine movement in high speed is especially obvious. The tensity control mainly exists in putting between the material and to feed and two carryover pinch rolls. Is similar corrects an error with the electrooptic to control, at present the tensity control pletes most by the independent tensity control system, mainly includes the tensity controller, the tensity detector, the tensiometer, the coupling and the brake. The pletely automatic tensity control has the tensity detector to e the immediate determinant volume material the tensity, then turns tensity data the tensity signal to feed in the tensity controller, the tensity controller adjusts the coupling or brake39。s putation pletes by the systems control software. Like this controls through the labor machine the software and hardware resources substitute for the independent tensity control system equipment ponents, may simplify the system, saves the cost.Heatseal temperature control quality immediate influence system bag39。s temperature measurement sensor, and adopts the fuzzy PID control the strategy and the PWM technology, causes the thermal rating continuously adjustable, definitely may meet 1℃ within deviation requirements. Figure 2 is the system structure diagram. This system has used the function formidable multiple spindle movement controller and the AD/DA board card, I/O expands hardware equipment and so on exhibition board card to substitute for some general controllers, controls machine the control software by the labor to plete the systems control and coordinated. This kind simplified the system hardware based on the industry puter39。s reliability, but also facilitates the system function coordinated, reduced control system39。s board card, this includes the multiple spindle movement controller, the AD/DA board card and so on, substitutes for each independent control system39。s munication, the coordinated, the process value establishment and the examination, as well as work and so on system value of exports putation, may realize each kind conveniently using puter39。s state variable and so on, may facilitate the operation and the monitoring like this This control system was controlled based on the labor machine the integration puter control system, the labor controls machine has provided the hardware platform for the system, controlled machine the control software by the labor to plete the system bag process each kind of function coordination control. Various units39。s strict synchronization, provides one kind for the bagmaking machine based on the puter control integration solution.附錄二制袋機控制系統(tǒng)研究制袋機控制系統(tǒng)是基于工控機的一體化計算機控制系統(tǒng),由工控機中的控制軟件來完成制袋過程的各種功能的協(xié)調(diào)控制,并由電子軸來替代原先的機械長軸,嚴格保證了各印刷單元的同步,為制袋機提供一種基于計算機控制的一體化解決方案。制袋機的控制系統(tǒng)主要包括:主驅(qū)動電機伺服控制系統(tǒng)、定長定位控制系統(tǒng)、張力控制系統(tǒng)、溫度控制系統(tǒng)、進給控制系統(tǒng)和光電糾偏控制系統(tǒng)。各個系統(tǒng)相互獨立的控制形式增加了制袋機協(xié)調(diào)控制的難度,也降低了整個控制系統(tǒng)的可靠性,為進一步提高系統(tǒng)的自動化性能,須研制新的控制方案。薄膜經(jīng)過折疊成型后,由定長定位牽引裝置進行牽引和定位進入熱封工序。熱封好的袋子可以根據(jù)需要進行打孔和切口等加工,最后由裁切裝置完成裁切,制成成品袋。控制系統(tǒng)以工控機為核心,進行各個控制功能的硬件擴展,通過工控機中的控制軟件將各個功能整合以改善系統(tǒng)協(xié)調(diào)控制性能,形成一個計算機控制系統(tǒng)。主伺服電機的控制形式是速度控制,主電機通過四桿機構帶動熱封刀上下運動,通過控制主電機驅(qū)動器的速度來控制熱封刀的運動狀態(tài)。這三個伺服電機的協(xié)調(diào)控制能夠保證牽引與熱封和裁切間的協(xié)調(diào)工作。利用基于PC機總線的多軸運動控制器可以完成多個伺服電機的運動控制,這樣簡化了伺服驅(qū)動控制系統(tǒng)的硬件,利于各個伺服電機的協(xié)調(diào)控制。定長、定位控制要確定制袋過程中袋子的長度、熱封和裁切的位置?？v向定位由兩個料袋牽引伺服電機來完成,伺服電機要按S形曲線加減速運動進行間歇式定長定位牽引,以保證牽引動態(tài)過程平穩(wěn)。對于同步精度要求高的場合,可以使用轉(zhuǎn)矩綜合反饋形式的控制策略,實現(xiàn)兩軸的耦合。兩種控制策略硬件要求基本一致,只是軟件復雜程度不同。目前獨立光電糾偏設備采用光電傳感器來檢測塑料膜邊界,當發(fā)生跑偏時,糾偏控制器給糾偏伺服機構發(fā)出控制信號,使其通過絲杠帶動料卷架運動以糾正塑料膜。利用工控機的軟件資源可以設計出非常友好的人機界面,這是傳統(tǒng)光電糾偏控制器所無法完成的。張力控制的好壞對產(chǎn)品質(zhì)量有重要影響,在整機運行于高速時尤為明顯。類似與光電糾偏控制,目前張力控制多數(shù)由獨立的張力控制系統(tǒng)來完成,主要包括張力控制器、張力檢測器、張力表、離合器及制動器。張力控制器和張力表完全由工控機取代,信號的轉(zhuǎn)換和輸出可以由AD和DA板卡完成,參數(shù)的設定、顯示和張力調(diào)整值的計算則由系統(tǒng)控制軟件來完成。熱封溫度控制的好壞直接影響著制袋的成品率。溫度控制主要采用智能程序/溫度控制器,該類控制器具有熱電偶輸入通道和溫度調(diào)節(jié)輸出通道。圖2為系統(tǒng)結構框圖。這種基于工業(yè)計算機的一體化控制策略簡化了系統(tǒng)硬件,增大了集成度,這不僅提高了系統(tǒng)的可靠性,還方便系統(tǒng)功能的協(xié)調(diào),降低了控制系統(tǒng)的成本。集成的主要方式是使用各種基于PC機總線的板卡,這包括多軸運動控制器,AD/DA板卡等,以取代各個獨立控制系統(tǒng)的控制器