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class="co77e2r" id="center"> <div class="v72vqh7" id="bodycontent" class="mianbxContent" style="height:25px;width:90%;text-align:right;"><a href="/">首頁(yè)</a> > <a href="/html/list-20-1.html">新聞中心</a> > <a href="/html/list-21-1.html">新聞資訊</a></div> <div class="tfv3rww" id="bodycontent"> <div style="width:950px;height:30px;" class="news_content_title"> <h3 style="color:#333;margin:0pt 0pt 0pt 0pt;"> <strong>自動(dòng)調速的繞線(xiàn)機工作原理</strong> </h3><hr width="95%" size="1" noshade> </div> <div style="width:950px; text-align:left; line-height:180%;" class="news_content_body"> <p class="MsoNormal"> 本文以編碼器、單片機、步進(jìn)電機為主要部件<span>,</span>設計了一種能自動(dòng)調速的繞線(xiàn)機<span>,</span>該<b><a href="http://www.e-seiyaku.com/" target="_blank">繞線(xiàn)機</a></b>結構簡(jiǎn)單、造價(jià)低、可靠性好<span>,</span>可應用于紡織、電氣等行業(yè)。系統的設計包括幾個(gè)方面的內容<span>:</span>①系統的總體設計<span>;</span>②主要元器件的選擇和系統電路的連接<span>;</span>③系統程序的編寫(xiě)。 </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> <span>1</span>自動(dòng)調速繞線(xiàn)機總體設計及工作原理 </p> <p class="MsoNormal"> 圖<span>1</span>為自動(dòng)調速繞線(xiàn)機結構示意圖。 </p> <p class="MsoNormal"> <img src="/upload/image/20191017/20191017102781628162.png" alt="自動(dòng)調速繞線(xiàn)機結構示意圖" width="377" height="242" title="自動(dòng)調速繞線(xiàn)機結構示意圖" align="" /> </p> <p class="MsoNormal"> <br /> </p> <p class="MsoNormal"> 繞線(xiàn)機系統由移線(xiàn)子系統和調速子系統組成。移線(xiàn)系統由步進(jìn)電機<span>1</span>、絲杠<span>2</span>、右行程開(kāi)關(guān)開(kāi)關(guān)<span>3</span>、螺母<span>4</span>、左行程開(kāi)關(guān)<span>5</span>組成<span>,</span>步進(jìn)電機<span>1</span>的主軸和絲杠<span>2</span>的軸連接在一起<span>,</span>螺母<span>4</span>安裝在絲杠<span>2</span>上<span>,</span>螺母<span>4</span>上安裝有編碼器<span>10,</span>編碼器<span>10</span>的轉軸上安裝有橡膠輪<span>7,</span>線(xiàn)<span>6</span>壓在橡膠輪<span>7</span>上<span>,</span>左行程開(kāi)關(guān)<span>5</span>和右行程開(kāi)關(guān)<span>3</span>分別安裝在螺母<span>4</span>的兩側。移線(xiàn)系統的步進(jìn)電機<span>1</span>可帶動(dòng)絲杠<span>2</span>轉動(dòng)<span>,</span>絲杠<span>2</span>可帶動(dòng)螺母<span>4</span>移動(dòng)<span>,</span>螺母<span>4</span>可帶動(dòng)編碼器<span>10</span>和橡膠輪<span>7</span>移動(dòng)<span>,</span>當螺母<span>4</span>觸動(dòng)行程開(kāi)關(guān)<span>5,</span>單片機控制步進(jìn)電機<span>1</span>反向旋轉<span>,</span>當螺母<span>4</span>觸動(dòng)行程開(kāi)關(guān)<span>3,</span>單片機會(huì )控制步進(jìn)電機<span>1</span>反向旋轉。移線(xiàn)子系統可完成線(xiàn)<span>6</span>的橫向移動(dòng)<span>,</span>使線(xiàn)<span>6</span>均勻地纏繞著(zhù)繞線(xiàn)輪<span>8</span>上。調速系統由橡膠輪<span>7</span>、繞線(xiàn)輪<span>8</span>、步進(jìn)電機<span>9</span>、編碼器<span>10</span>等主要部分組成<span>,</span>調速系統的步進(jìn)電機<span>9</span>帶動(dòng)繞線(xiàn)輪<span>8</span>旋轉時(shí)<span>,</span>線(xiàn)<span>6</span>可繞在繞線(xiàn)輪<span>8</span>上<span>,</span>同時(shí)線(xiàn)<span>6</span>可帶動(dòng)橡膠輪<span>7</span>轉動(dòng)<span>,</span>線(xiàn)<span>6</span>的線(xiàn)速度可通過(guò)編碼器<span>10</span>輸出的脈沖獲得。有些行業(yè)里輸入的線(xiàn)<span>6</span>線(xiàn)速度是恒定的<span>,</span>如步進(jìn)電機<span>9</span>轉速不變<span>,</span>繞線(xiàn)輪<span>8</span>隨著(zhù)纏繞的線(xiàn)的增加繞線(xiàn)的半徑會(huì )逐漸增大<span>,</span>線(xiàn)<span>6</span>的線(xiàn)速度會(huì )逐漸增大<span>,</span>這會(huì )造成無(wú)法正常繞線(xiàn)<span>,</span>為了保證正常繞線(xiàn)<span>,</span>必須實(shí)時(shí)調整步進(jìn)電機<span>9</span>的轉速。本文采取以下方法解決線(xiàn)<span>6</span>的線(xiàn)速度恒定問(wèn)題<span>,</span>絕對值編碼器<span>10</span>輸出的脈沖輸送給單片機<span>,</span>單片機定時(shí)采集絕對值編碼器<span>10</span>送來(lái)的脈沖數目<span>,</span>并和設計的值進(jìn)行比較<span>,</span>當輸入值大于設定值時(shí)<span>,</span>單片機控制輸出脈沖數目<span>,</span>降低繞線(xiàn)輪<span>8</span>的轉速<span>,</span>維持線(xiàn)<span>6</span>的線(xiàn)速度恒定。 </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> <span>2</span>主要元器件的選擇和系統電路的連接 </p> <p class="MsoNormal"> <span>2.1</span>主要元器件的選擇 </p> <p class="MsoNormal"> 絕對值編碼器選用歐姆龍<span>E6A2-CS3E,</span>每轉<span>10</span>個(gè)脈沖輸出<span>,</span>供電電壓<span>5V,</span>脈沖輸出端可直連單片機接口。單片機選用<span>STC89C52RC,</span>它是<span>STC</span>公司生產(chǎn)的一種低功耗、高性能<span>CMOS8</span>位微控制器<span>,8kBFlash,512B</span>的<span>RAM,32</span>位<span>I/O</span>口線(xiàn)<span>,</span>看門(mén)狗定時(shí)器<span>,</span>內置<span>4kBEEPROM,MAX810</span>復位電路<span>,3</span>個(gè)<span>16</span>位定時(shí)器<span>/</span>計數器<span>,4</span>個(gè)外部中斷<span>,</span>一個(gè)<span>7</span>向量<span>4</span>級中斷結構<span>(</span>兼容傳統<span>51</span>的<span>5</span>向量<span>2</span>級中斷結構<span>),</span>全雙工串行口。選用<span>TB6600</span>型號步進(jìn)電機驅動(dòng)器<span>,</span>輸入直流電壓<span>9V~42V,</span>有過(guò)流、過(guò)壓、欠壓、短路等保護。步進(jìn)電機選用<span>57BYG250B,</span>輸出力矩<span>1.2Nm,</span>二相四根引出線(xiàn)。 </p> <p class="MsoNormal"> <span>2.2</span>系統的電路連接 </p> <p class="MsoNormal"> 調速子系統和移線(xiàn)子系統的電路圖分別如圖<span>2</span>、圖<span>3</span>所示。 </p> <p class="MsoNormal"> <img width="429" height="668" src="/upload/image/20191017/2019101710270420420.png" title="調速子系統和移線(xiàn)子系統的電路圖" align="" alt="調速子系統和移線(xiàn)子系統的電路圖" /> </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> <span>3</span>系統軟件設計 </p> <p class="MsoNormal"> <span>3.1</span>控制系統流程 </p> <p class="MsoNormal"> 系統軟件分為兩部分<span>,</span>調速子系統控制程序和移線(xiàn)子系統控制程序。調速子系統控制程序流程如圖<span>4</span>所示<span>,</span>移線(xiàn)子系統控制程序流程如圖<span>5</span>所示。 </p> <p class="MsoNormal"> <img width="309" height="410" src="/upload/image/20191017/2019101710270164164.png" title="調速子系統控制程序流程" align="" alt="調速子系統控制程序流程" /> </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> 關(guān)于繞線(xiàn)機程序代碼的編輯，請下載附件 </p> <p class="MsoNormal"> <span></span> </p> <p class="MsoNormal"> 本文完成了一種能自動(dòng)調速的繞線(xiàn)機設計<span>,</span>包括了移線(xiàn)子系統和調速子系統的機械部分的原理性設計、移線(xiàn)子系統和調速子系統的控制系統設計<span>,</span>完成了主要部件的選型、電路的搭接、控制程序的編寫(xiě)。這種能自動(dòng)調速的繞線(xiàn)機為解決<b>繞線(xiàn)機</b>繞線(xiàn)問(wèn)題提出了一個(gè)新的解決方案<span>,</span>有很強的實(shí)用性和推廣價(jià)值。 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