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摘要
通過對國內(nèi)外塑料管材機械生產(chǎn)線的研究分析，確定了無屑切割機做為本課題的主要設(shè)計內(nèi)容。無屑切割機用于塑料管材的定長切割，在切割過程中機架上的移動臺可以沿著管材擠出方向移動，并保持與管材的同步進給速度。在切割機的前部裝有托輪裝置，托輪起到支撐和導(dǎo)向的作用，針對不同管徑時要予以調(diào)節(jié)。當(dāng)翻料架上的行程開關(guān)或編碼器發(fā)出切割信號后，機器夾緊裝置上的夾緊控制裝置夾牢管材，使管材在切割過程中相對固定，夾緊裝置為夾緊塊哈夫夾緊，在切割不同規(guī)格的管材時，調(diào)換相對應(yīng)的哈夫塊。
切割工作指令的實現(xiàn)由電機通過V 帶傳動，而刀片的切削進給由氣缸活塞桿緩緩?fù)七M而進行的，氣缸推力的大小可由氣缸的調(diào)節(jié)閥調(diào)節(jié)。刀片的無屑切割進給由移動盤和左右移動架來完成的，其中筒軸由軸承支承和定位，所以旋轉(zhuǎn)中心不變使切割機切割管材端面平整，尺寸規(guī)范。進刀深度由氣缸導(dǎo)向桿旁邊的限位調(diào)節(jié)絲桿調(diào)節(jié)控制。不同規(guī)格的厚度管材，調(diào)節(jié)絲桿的調(diào)節(jié)量大小不同。
設(shè)計過程中查閱了大量國內(nèi)外的相關(guān)資料，所做的設(shè)計運用所學(xué)的所有專業(yè)課程。下文主要闡述塑料管材無屑切割機總體結(jié)構(gòu)設(shè)計。
切割機設(shè)計主要包括，帶傳動機構(gòu)、夾緊機構(gòu)、切割機構(gòu)、切屑工作臺移動導(dǎo)軌、機架設(shè)計。
關(guān)鍵詞: 塑料管材；切割機；無屑式
Abstract
Through to the domestic and foreign plastics tubing mechanical production line research analysis, had determined the non- filings cutter does for this topic main design content. The non-filings cutter uses in the plastic tubing to decide long cuts, in cuts process rack from the movingplation to be allowed to squeeze out the traverse along the tubing, and the maintenance and tubing synchronization enters for the speed. Is loaded with in the cutter front part holds a turn of equipment, holds the wheel to play the strut and the guidance role, in view of different caliber when must give to adjust. After turns material on the limit switch or the encoder sends out cuts the signal, machine clamp clamps the control equipment firm tubing, causes the tubing in to cut in the process to be relatively fixed, the clamp for clamps block Haff to clamp, when cuts the different specification the tubing, exchanges Haff block which corresponds.
Cuts the working order the realization by the electrical machinery through V belt transmission, but the bit cutting for slowly pushes by the cylinder piston rod then carries on, the air cylinder thrust for cesize may by the air cylinder regulating valve adjustment. The bit non-filings cut for by move, casing of axis which the shifting plate and about movingplation completes by bearing supporting and localization, therefore the center of rotation invariablely causes the cutter to cut the tubing end surface to be smooth, size standard. Bit the depth guides nearby the pole by the air cylinder the spacing adjustment lead screw regulating control. The different specification thickness tubing, adjusts the lead screw the adjustment quantity size to be different.
In the design process has consulted the massive domestic and foreign correlation data, does the design utilization studies all specialized curricula. As follows main elaboration plastic tubing non- filings cutter overall structural design.
The cutter design mainly includes, brings the transmission system, to cut the organization, to clamp the organization, Cutting- filings the work table moves the guide rail, the rack design.
keywords: Plastic tubing Cutter Non- filings type
目 錄
1 緒論 1
1.1 引言及HDPE/PVC簡介 1
1.2 塑料管材生產(chǎn)線工作流程簡介 2
1.2.1 塑料管材生產(chǎn)線結(jié)構(gòu)組成（本文僅以PVC 波紋管為例） 2
1.2.2 塑料管材生產(chǎn)過程 2
1.3 PVC 管材生產(chǎn)線特點 3
1.4 設(shè)計方案的選擇比較 3
1.5 設(shè)計方案綜述 4
2 帶傳動機構(gòu)設(shè)計 6
2.1 V 帶機構(gòu)設(shè)計 6
2.1.1 V 帶的選擇 6
2.1.2 帶傳動的分類（根據(jù)截面形狀不同）和性能比較 6
2.2 V 帶傳動的設(shè)計計算 7
2.3 帶輪結(jié)構(gòu)設(shè)計 10
2.3.1 V 帶輪的設(shè)計要求： 10
2.3.2 帶輪材料的選用 10
2.3.3結(jié)構(gòu)尺寸的設(shè)計 10
2.3.4 帶輪的輪槽尺寸 11
2.3.5 帶傳動的彈性滑動與打滑 12
3 夾緊機構(gòu)設(shè)計 14
3.1 夾緊裝置組成部件 14
3.2 夾緊塊材料的選擇 14
3.3 托輪裝置 15
3.3.1組成部件 15
3.3.2托滾材料的特殊選擇 15
4 切割機構(gòu)設(shè)計 16
4.1 切割機構(gòu)概要 16
4.1.1切割部件的組成 16
4.1.2 工作原理 16
4.2 傳動旋轉(zhuǎn)裝置的設(shè)計 16
4.2.1旋轉(zhuǎn)部件 16
4.2.2 傳動體的尺寸計算 16
4.3 軸承的選用及潤滑 17
4.3.1軸承的類型 17
4.3.2軸承材料選擇 17
4.3.3設(shè)計中所選軸承介紹 17
4.4 軸承驗算校核 18
4.4.1軸承的潤滑 19
4.4.2軸承的密封裝置 20
5 切屑工作臺導(dǎo)軌設(shè)計 21
5.1 導(dǎo)軌材料選用 21
5.2 導(dǎo)軌的潤滑與保護 22
5.2.1導(dǎo)軌的潤滑 22
5.2.2導(dǎo)軌的保護 23
6 機架結(jié)構(gòu)設(shè)計 24
6.1 機架設(shè)計概要 24
6.2 機架材料的選擇 25
6.3 機架材料時效處理 26
6.4 機架結(jié)構(gòu)尺寸 27
結(jié) 論 28
致 謝 29
參考文獻 30
附錄 31
附錄1： 31
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