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</div> <!--/sub_menu--><!-- 面包屑導航結束 --> <!-- 頁面標題開始 --> <div id="n1l1njb9b" class="title"> <h3><a>立式加工中心的絲杠固定進給傳動裝置<small></small></a></h3> </div> <!-- 頁面標題結束 --> <hr class="featurette-divider"> <!-- 中部開始 --> <div id="n1l1njb9b" class="container"> <!-- 正文 --> <div id="n1l1njb9b" class="lead" id="print"> <p> 描述</p> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>本發(fā)明涉及一種立式加工中心的絲杠固定進給傳動裝置。</div> <div>背景</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>立式加工中心是指主軸為垂直狀態(tài)的加工中心，其結構形式多為固定立柱，工作 臺為長方形，無分度回轉功能，適合加工盤、套、板類零件，它一般具有三個直線運動坐標 軸，并可在工作臺上安裝一個沿水平軸旋轉的回轉臺，用以加工螺旋線類零件。立式加工中 心裝卡方便，便于操作，易于觀察加工情況，調試程序容易，應用廣泛。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>現(xiàn)有設計的立式加工中心以高速、高精度居多，在長行程的工作中，細長的絲杠高 速旋轉容易熱變形和彎曲，影響進給傳動系統(tǒng)的剛性，不僅降低加工精度，而且影響設備使 用壽命。</div> <div>內容</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>針對上述問題，本發(fā)明提供一種立式加工中心的絲杠固定進給傳動裝置，避免絲 杠在長行程工作中的熱變形和彎曲，提高進給傳動系統(tǒng)的剛性。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>為實現(xiàn)上述技術目的，達到上述技術效果，本發(fā)明通過以下技術方案實現(xiàn)：</div> <div>一種立式加工中心的絲杠固定進給傳動裝置，包括絲杠，所述絲杠兩端分別設置有可 固定在床身上的第一支座和第二支座，其特征在于，所述絲杠中間設置有螺母座，所述螺母 座上一端設置有絲杠螺母，另一端設置有推力軸承，所述推力軸承與拖板相連，所述拖板上 固定設置有伺服電動機，所述伺服電動機通過帶輪帶動螺母座旋轉，所述絲杠的首端和尾 端分別設置有第一預拉伸螺母和第二預拉伸螺母。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>固定在床身上的絲杠通過首端和尾端的第一預拉伸螺母和第二預拉伸螺母進行 預拉伸，而絲杠保持固定不動，因此可有效避免在長行程的工作中，細長的絲杠高速旋轉容 易熱變形和彎曲，提高了進給傳動系統(tǒng)的剛性，保證了加工精度和設備的使用壽命。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>本發(fā)明的有益效果是：避免絲杠在長行程工作中的熱變形和彎曲，提高進給傳動 系統(tǒng)的剛性，保證了加工精度和設備的使用壽命。</div> <div>附圖說明</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>圖1是本發(fā)明立式加工中心的絲杠固定進給傳動裝置的結構示意圖；</div> <div>附圖的標記含義如下：</div> <div>1 :絲杠；2 :第一支座；3 :第二支座；4 :伺服電動機；5 :螺母座；6 :鎖緊螺母；7 :帶輪； 8 :拖板；9 :推力軸承；10 :第一預拉伸螺母；11 :隔套；12 :絲杠螺母；13 :第二預拉伸螺母。</div> <div>實施</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>下面結合附圖和具體的實施例對本發(fā)明技術方案作進一步的詳細描述，以使本領 域的技術人員可以更好的理解本發(fā)明并能予以實施，但所舉實施例不作為對本發(fā)明的限定。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>一種立式加工中心的絲杠固定進給傳動裝置，如圖1所示，包括細長的絲杠1，所 述絲杠1兩端分別設置有可固定在床身上的第一支座2和第二支座3。所述絲杠1中間設 置有螺母座5,所述螺母座5上一端設置有絲杠螺母12,另一端設置有推力軸承9,所述推力 軸承9與拖板8相連，所述拖板8上固定設置有伺服電動機4,優(yōu)選，伺服電動機4為X軸伺 服電動機4, X軸伺服電動機4隨著拖板8 —起運動。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>X軸伺服電動機4的端部設置有帶輪7,伺服電動機4通過帶輪7帶動螺母座5旋 轉，所述絲杠1的首端（即圖中的左側）和尾端（即圖中的右側）分別設置有第o預拉伸螺母 10和第二預拉伸螺母13。優(yōu)選，第一預拉伸螺母10和第二預拉伸螺母13對稱設置在X軸 伺服電動機4的兩側。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>圖1中，絲杠1中間設置有鎖緊螺母6,用于絲杠1和推力軸承9之間可靠連接。 所述第一預拉伸螺母10和絲杠1之間設置有隔套11，同樣的，所述第二預拉伸螺母13和絲 杠1之間設置有隔套11。</div> <div><span id="n1l1njb9b" class="Apple-tab-span" style="white-space:pre"> </span>由于絲杠1通過兩端的第一支座2和第二支座3直接固定在床身上，因此，當伺服 電動機4帶動螺母座5旋轉的時候，螺母座5將產生一個軸向運動，并通過推力軸承9帶動 拖板8同步運動，而固定在床身上的絲杠1通過首端和尾端的第一預拉伸螺母10和第二預 拉伸螺母13進行預拉伸，而絲杠1保持固定不動，因此可有效避免在長行程的工作中，細長 的絲杠1高速旋轉容易熱變形和彎曲，提高了進給傳動系統(tǒng)的剛性，保證了加工精度和設 備的使用壽命。</div> <div> 以上僅為本發(fā)明的優(yōu)選實施例，并非因此限制本發(fā)明的專利范圍，凡是利用本發(fā) 明說明書及附圖內容所作的等效結構或者等效流程變換，或者直接或間接運用在其他相關 的描述，均同理包括在本發(fā)明的專利保護范圍內。</div> <div> </div> <div> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">提示：由于編輯困難導致圖片無法顯示及全文的完整、準確性或存在缺失！</span><span lang="EN-US" style="font-size:9.0pt"><o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:9.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">本文由伯特利數(shù)控整理發(fā)表文章均來自網(wǎng)絡僅供學習參考，轉載請注明！</span><span lang="EN-US" style="font-size:9.0pt"><o:p></o:p></span></p> </div></div> <div id="n1l1njb9b" class="blank30"></div> <!-- tag --> <div 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