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1、<p> Packing machinery development</p><p> Our country packs the mechanical profession start in the 20th century 70's, and the 90's intermediate stages obtains the rapid development in the end
2、 of the 80's. Has become in the mechanical industry one of 10 big professions, regardless of is the output, in the variety, has all obtained the amazing achievement, packed the industry for our country the fast devel
3、opment to provide the powerful safeguard. At present, our country has become the world packing mechanical industrial production and exp</p><p> Current our country food and a packing machinery prominent que
4、stion is the new product development cycle long, imitates much, innovates few, not only this with designs personnel's state-of-art related, also concerns with the correlation profession development. The international
5、 advanced method utilizes the simulation technology, by the computer automatic synthesis three-dimensional model, will pass has occurred production line breakdown data feeds the computer, then will demonstrate the actual
6、 o</p><p> The new packing machinery often is machine, the electricity, the gas integration equipment. The full use information product newest achievement, uses air operated separation transmission technolo
7、gies and so on implementing agency, servo motor-driven, may cause the complete machine the transmission chain to reduce greatly, the structure is greatly the simplification, the work precision and the speed enhances grea
8、tly. One of key technologies has used the multi-electrical machinery dragging synchro</p><p> “十五” period, our country packs the mechanical industrial development to be rapid, in recent years imports the eq
9、uipment all is domestic cannot make or the manufacture level is far from, may see our disparity from the import to be at. Food security problem whole nation attention. “十一五” period should enhance food security domain the
10、 science and technology and the equipment level, the development fast, in accurate appraisal food harms the factor the technology and the equipment, further researches </p><p> the goal is must reduce this
11、space, catches up with the world advanced level for the food industry, for causes the packing great nation to make great strides forward to the packing powerful nation, provides the advanced technical equip, lets import
12、the equipment the role which only plays in the domestic market appropriates lost articles fills a vacancy. This request domestic food and the packing machinery year development speed surpasses 18%, the new product output
13、 value rate achieves 25%. On th</p><p> Along with the science and technology development and the market competition aggravating, the customer demand more and more is also high. This kind of demand manifest
14、s in following several aspects: One, enhances the production efficiency, satisfies the date of delivery and reduces the production cost the need, to some products, but also requests the packing machinery and the producti
15、on machinery links up; Two, is meets the product renewal change need, the packing machinery must have the high fle</p><p> The modern packaging machine design process should include: The market investigatio
16、n and study, the user demand analysis, the packaging machine function determination, the feasible proof, the formulation design proposal, the user benefit analysis, the plan feasible proof, the schematic diagram design,
17、the structural design, the construction drawing design, the prototypical manufacture (hypothesized manufacture), the technical confirmation and the construction drawing revise, the formulation post</p><p>
18、The market investigation and study is the foundation work which all packaging machines design. Without the market investigation and study, we do all design work all possibly is equal to the zero. The market investigation
19、 and study, may according to the policy guidance, the profession supply and demand information, the expert analyze, the profession unfolds clues and so on meeting, technical meeting, found the user the demand information
20、, after and reorganizes the analysis, the definite packaging</p><p> When system design, must consider the entire packaging machine system comprehensively the layout, the movement coordination, the modellin
21、g design, the human - machine environment as well as the packing transportation and so on. The modular design is one advanced design method, its core thought is divides into systematically according to the function certa
22、in modules, the identical function unit designs the packaging machine in has the module which the different performance, may exchange, through </p><p> other packing machinery seriation, modular profession
23、standard, also arrived should formulate, the packing machinery has become our country one of ten big mechanical professions, but serialized, the modular profession standard formulation will certainly to promote our count
24、ry to pack on the mechanical profession cross new stair.</p><p><b> 包裝機(jī)械的發(fā)展</b></p><p> 我國(guó)包裝機(jī)械行業(yè)起步于20世紀(jì)70年代,在80年代末和90年代中期得到迅速發(fā)展。已成為機(jī)械工業(yè)中的10大行業(yè)之一,無(wú)論是產(chǎn)量,還是品種上,都取得了令人矚目的成就,為我國(guó)包裝工業(yè)的快速發(fā)
25、展提供了有力的保障。目前,我國(guó)已成為世界包裝機(jī)械工業(yè)生產(chǎn)和消費(fèi)大國(guó)之一。 當(dāng)前我國(guó)食品和包裝機(jī)械的一個(gè)突出問(wèn)題是新產(chǎn)品開(kāi)發(fā)周期長(zhǎng)、模仿多、創(chuàng)新少,這不僅與設(shè)計(jì)人員的知識(shí)水平有關(guān),也和相關(guān)行業(yè)的發(fā)展有關(guān)。 國(guó)際先進(jìn)的作法是運(yùn)用仿真技術(shù),由計(jì)算機(jī)自動(dòng)合成三維模型,將過(guò)去曾經(jīng)發(fā)生過(guò)的生產(chǎn)線故障數(shù)據(jù)輸入計(jì)算機(jī),即可演示實(shí)際工況,在用戶(hù)面前根據(jù)需要進(jìn)行修改,最終完善。包裝機(jī)械作為一種產(chǎn)品,它的含義不僅僅是產(chǎn)品本身的物質(zhì)意義,而是包括形式產(chǎn)
26、品、隱形產(chǎn)品及延伸產(chǎn)品3層含義。形式產(chǎn)品是指包裝機(jī)本身的具體形態(tài)和基本功能;隱形產(chǎn)品是指包裝機(jī)給用戶(hù)提供的實(shí)際效用;延伸產(chǎn)品是指包裝機(jī)的質(zhì)量保證、使用指導(dǎo)和售后服務(wù) 等。所以包裝機(jī)的設(shè)計(jì)應(yīng)該包括:市場(chǎng)調(diào)研、原理圖設(shè)計(jì)、結(jié)構(gòu)設(shè)計(jì)、施工圖設(shè)計(jì)、使用說(shuō)明書(shū)編寫(xiě)及售后服務(wù)預(yù)案等。</p><p> 新型包裝機(jī)械往往是機(jī)、電、氣一體化的設(shè)備。充分利用信息產(chǎn)品的最新成果,采用氣動(dòng)執(zhí)行機(jī)構(gòu)、伺服電機(jī)驅(qū)動(dòng)等分離傳動(dòng)技術(shù), 可
27、使整機(jī)的傳動(dòng)鏈大大縮短,結(jié)構(gòu)大為簡(jiǎn)化,工作精度和速度大大提高。其中的關(guān)鍵技術(shù)之一是采用了多電機(jī)拖動(dòng)的同步控制技術(shù)。其實(shí) 掌握這種技術(shù)并不很難,只是一些設(shè)計(jì)人員不了解包裝機(jī)械的這一發(fā)展趨勢(shì)。如果說(shuō)以前我國(guó)包裝機(jī)械設(shè)計(jì)是仿制、學(xué)習(xí)階段,那么現(xiàn)在 我們應(yīng)該有創(chuàng)新設(shè)計(jì)的意識(shí)。 “十五”期間,我國(guó)包裝機(jī)械工業(yè)發(fā)展迅速,近幾年進(jìn)口的設(shè)備都是國(guó)內(nèi)不能制造或者制造水平相差甚遠(yuǎn)的,從進(jìn)口可以看出我們的差距所在。 食品安全問(wèn)題舉國(guó)關(guān)注?!笆晃濉逼?/p>
28、間應(yīng)提高食品安全領(lǐng)域的科技和裝備水平,研制快速、準(zhǔn)確鑒定食品中危害因子的技術(shù)和裝備,進(jìn)一步研發(fā)病原微生物的抗性、病原的控制等預(yù)防技術(shù)及儲(chǔ)藏技術(shù)和裝備。 食品和包裝機(jī)械形成行業(yè)已20年,相對(duì)于食品包裝,還是一個(gè)新行業(yè)。這20年又是世界技術(shù)發(fā)展最快的時(shí)期,新技術(shù)不斷在行業(yè)上應(yīng)用,而國(guó)內(nèi)行業(yè)的基礎(chǔ)薄弱,技術(shù)及科研力量不足,其發(fā)展相對(duì)滯后,在某種程度上拖了食品和包裝工業(yè)的后腿??傮w發(fā)展雖然較快,但食品包裝機(jī)械工業(yè)發(fā)展更快。</p>
29、<p> “十一五”的目標(biāo)是要縮小這個(gè)空間,為食品工業(yè)趕上世界先進(jìn)水平,為使包裝大國(guó)向包裝強(qiáng)國(guó)邁進(jìn),提供先進(jìn)的技術(shù)裝備,讓進(jìn)口設(shè)備在國(guó)內(nèi)市場(chǎng)上只起到拾遺補(bǔ)缺的作用。這就要求國(guó)內(nèi)食品和包裝機(jī)械的年發(fā)展速度超過(guò)18%,新產(chǎn)品產(chǎn)值率達(dá)到25%。 國(guó)際上包裝和食品機(jī)械的發(fā)展是以大客戶(hù)的要求為目標(biāo),帶動(dòng)相關(guān)機(jī)械的發(fā)展。大客戶(hù)的要求主要體現(xiàn)在以下方面: 一是對(duì)生產(chǎn)效率要求越高越好。這樣可以降低產(chǎn)品的成本,滿(mǎn)足交貨期。高速包裝機(jī)要求與前
30、道工序要有相關(guān)銜接,不需搬運(yùn)環(huán)節(jié),包括控制銜接,整個(gè)生產(chǎn)線按生產(chǎn)及包裝工序排列要做到倒序啟動(dòng),順序停機(jī)。如冷灌裝生產(chǎn)線從塑料原料自動(dòng)上線到飲料灌裝、大包裝碼垛全部自動(dòng)在封閉車(chē)間內(nèi)進(jìn)行。 二是可適應(yīng)產(chǎn)品的更新變化。包裝機(jī)械要具有很高的柔性和靈活性,生產(chǎn)線允許在一定的尺寸范圍內(nèi)包裝物大小可以變化。因?yàn)楫a(chǎn)品的生命周期遠(yuǎn)短于設(shè)備使用壽命,變更產(chǎn)品及包裝不至于更換昂貴的包裝生產(chǎn)線。 三是設(shè)備常見(jiàn)故障迅速排除。解決方案預(yù)先輸入電腦,當(dāng)設(shè)備出現(xiàn)常見(jiàn)的
31、故障時(shí)可以自行診斷,亦可實(shí)行遠(yuǎn)程診斷并排除故障。 四是要求具有自動(dòng)識(shí)別功能。一方面可以自動(dòng)識(shí)別包裝材料的厚度、硬度、反彈力等,通過(guò)電腦反饋到機(jī)械</p><p> 現(xiàn)代包裝機(jī)的設(shè)計(jì)過(guò)程應(yīng)該包括:市場(chǎng)調(diào)研、用戶(hù)需求分析、包裝機(jī)功能的確定、可行性論證、制定設(shè)計(jì)方案、用戶(hù)效益分析、方案 的可行性論證、原理圖設(shè)計(jì)、結(jié)構(gòu)設(shè)計(jì)、施工圖設(shè)計(jì)、樣機(jī)制作(虛擬制造)、技術(shù)驗(yàn)證和施工圖修改、制定售后服務(wù)預(yù)案及遠(yuǎn)程診斷方 案、改進(jìn)設(shè)
32、計(jì)、系列化設(shè)計(jì)等。 市場(chǎng)調(diào)研是一切包裝機(jī)設(shè)計(jì)的基礎(chǔ)工作。沒(méi)有市場(chǎng)調(diào)研,我們所做的所有設(shè)計(jì)工作都可能等于零。市場(chǎng)調(diào)研,可以根據(jù)政策導(dǎo)向、行 業(yè)供求信息、專(zhuān)家分析、行業(yè)展會(huì)、技術(shù)交流會(huì)等線索,找到用戶(hù)的需求信息,并加以整理分析后,確定包裝機(jī)應(yīng)該完成的功能。在原理方案設(shè)計(jì)過(guò)程中,首先要充分了解相關(guān)的信息產(chǎn)品、電子產(chǎn)品的功能,了解氣動(dòng)元件的性能,并用以簡(jiǎn)化機(jī)械傳動(dòng)系統(tǒng),還可 采用多電機(jī)拖動(dòng)來(lái)縮短機(jī)械傳動(dòng)鏈。對(duì)于必不可少的機(jī)械傳動(dòng)系統(tǒng),
33、應(yīng)盡量利用現(xiàn)代化設(shè)計(jì)手段,在對(duì)產(chǎn)品功能分析的基礎(chǔ)上,通過(guò)創(chuàng)新 構(gòu)思、系統(tǒng)建模、動(dòng)力分析、動(dòng)態(tài)優(yōu)化,從而得到最佳設(shè)計(jì)方案。技術(shù)設(shè)計(jì)是將原理設(shè)計(jì)結(jié)構(gòu)化,確定零部件的數(shù)量、形狀、尺寸、材料等,對(duì)主要部件中關(guān)鍵零件進(jìn)行動(dòng)力計(jì)算、功率計(jì)算、強(qiáng)度計(jì)算、剛度計(jì)算。</p><p> 總體設(shè)計(jì)時(shí),要全面考慮整個(gè)包裝機(jī)系統(tǒng)的布局、運(yùn)動(dòng)協(xié)調(diào)性、造型設(shè)計(jì)、人-機(jī)環(huán)境以及裝箱運(yùn)輸?shù)取DK化設(shè)計(jì)是一種先進(jìn)的設(shè) 計(jì)方法,它的核心思想是將
34、系統(tǒng)根據(jù)功能分為若干模塊,將包裝機(jī)中同一功能的單元設(shè)計(jì)成具有不同性能、可以互換的模塊,通過(guò)模塊的 不同組合,使包裝機(jī)多功能化、系列化。采用這種方法的優(yōu)點(diǎn)是:(1)使包裝機(jī)更新?lián)Q代速度加快。因?yàn)樾聶C(jī)型的替代,往往是局部改 進(jìn)。將先進(jìn)技術(shù)引進(jìn)相應(yīng)的模塊,比較容易實(shí)現(xiàn)局部改進(jìn);(2)縮短設(shè)計(jì)周期。當(dāng)用戶(hù)提出要求后,只需更換模塊,或設(shè)計(jì)制造部分模 塊,即可得到新的機(jī)型,滿(mǎn)足用戶(hù)需求;(3)降低成本,便于維修;(4)性能穩(wěn)定可靠。因?yàn)槟K設(shè)計(jì)時(shí),
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