本文選題：雙螺桿泵 + 型線　； 參考：《南京林業(yè)大學(xué)》2011年碩士論文

【摘要】：螺桿泵是一種新興的工業(yè)用泵。螺桿泵的型式有很多種,適合不同的用途。2G-A型雙螺桿泵是一種非完全密封型的螺桿泵,可以用來輸送含有雜質(zhì)的介質(zhì),穩(wěn)定性和可靠性都比較高。因此,應(yīng)用比較廣泛。螺桿泵是依靠相互嚙合的螺桿形成的密封腔輸送介質(zhì)的,所以螺桿的設(shè)計(jì)和加工就決定了螺桿泵的性能。本文針對(duì)2G-A型雙螺桿泵進(jìn)行研究,主要研究螺桿的型線設(shè)計(jì)和加工。 螺桿的螺旋面是由螺桿端截面型線繞其軸線做螺旋運(yùn)動(dòng)形成的,對(duì)螺桿型線的研究是保證和提高螺桿泵工作性能的關(guān)鍵,也是設(shè)計(jì)螺桿加工刀具的基礎(chǔ)。2G-A型螺桿泵螺桿的端面型線比較復(fù)雜,根據(jù)螺桿截面型線的形成原理,運(yùn)用齒輪嚙合理論,推導(dǎo)了螺桿端面型線的方程和嚙合線方程,并用MATLAB GUI工具箱設(shè)計(jì)了螺桿截面型線的計(jì)算窗口,可以針對(duì)不同設(shè)計(jì)參數(shù)的螺桿計(jì)算螺桿端截面、軸截面和法截面曲線的坐標(biāo),并生成坐標(biāo)點(diǎn)數(shù)據(jù)文件。 目前,普遍采用的螺桿加工的方法主要是成型銑削法,用專用螺桿銑床加工,包括開槽、粗加工、半精加工和精加工,生產(chǎn)效率低。本文提出采用內(nèi)旋風(fēng)銑削加工螺桿的方法。首先分析了內(nèi)旋風(fēng)銑削加工的原理,建立了內(nèi)旋風(fēng)加工的數(shù)學(xué)模型,并推導(dǎo)了內(nèi)旋風(fēng)銑削刀具刃形的計(jì)算方法；根據(jù)A型螺桿的截面曲線方程,推導(dǎo)了刀具與工件的接觸線方程,采用MATLAB編程計(jì)算了刃形的坐標(biāo)點(diǎn)。在SolidWorks中,根據(jù)選擇的刀具參數(shù)和刀具刃形的坐標(biāo)點(diǎn)進(jìn)行了刀具的三維建模。 對(duì)SolidWorks進(jìn)行二次開發(fā),設(shè)計(jì)了A型螺桿的參數(shù)化建模系統(tǒng)；根據(jù)內(nèi)旋風(fēng)銑削的原理,編程仿真銑刀加工螺桿的過程,最后得到螺桿的螺旋曲面；截取加工后橫截面型線,與理論設(shè)計(jì)的型線比較；在改裝的普通車床上進(jìn)行了內(nèi)旋風(fēng)銑削加工實(shí)驗(yàn)。結(jié)果表明,在現(xiàn)有條件下,用內(nèi)旋風(fēng)銑削能夠簡(jiǎn)化螺桿生產(chǎn)工序,并達(dá)到螺桿半精加工要求,且大大提高生產(chǎn)效率。在實(shí)際應(yīng)用中,可以通過對(duì)內(nèi)旋風(fēng)銑削頭進(jìn)行改進(jìn),直至設(shè)計(jì)內(nèi)旋風(fēng)銑削專用機(jī)床,可一次性實(shí)現(xiàn)螺桿精加工。
[Abstract]:Screw pump is a new type of industrial pumps. There are many types of screw pumps, suitable for different uses of.2G-A type double screw pump is a non fully sealed type of screw pump, can be used to transport medium containing impurities, stability and reliability are high. Therefore, the application is more extensive. The screw pump screw rely on the mutual engagement of the formation of the transmission medium sealed cavity, so the design and manufacture of screw determines the performance of screw pump. The 2G-A type double screw pump was studied. The main research line type screw design and processing.
The helical screw rod by screw end section line around the axis of spiral movement form, the research on screw type line is key to ensure and improve the performance of screw pump work, end line based.2G-A screw pump screw screw machining tool design is more complex, according to the principle of forming the cross section of the screw type line the use of gear meshing theory, derived the screw end face profile equation and meshing line equation, and the design of the cross section of the screw type line calculation window using MATLAB GUI toolbox, the screw can be according to different design parameters calculation of the screw end section, axis section and section curves, and generate the coordinate data file.
At present, the widely used method of machining screw mainly forming milling method, with special screw milling machine, including slotting, roughing, semi finishing and finishing, the production efficiency is low. The method proposed in this paper by internal whirlwind milling screw. This paper analyzes the principle of inner whirlwind milling processing, mathematical model is established in the cyclone process, and the calculation method of inner whirlwind milling cutter profile is derived; according to the section curve equation of A type screw, contact wire cutter and workpiece was deduced, using MATLAB programming blade coordinates were calculated. In SolidWorks, according to the tool parameters and the tool profile and choose the coordinates of the point the 3D modeling tool.
Two development of SolidWorks, designed the system of parametric modeling of screw type A; according to the principle of internal whirlwind milling, milling process simulation of the screw, and finally get the screw; interception after processing the cross-section line, compared with the profile theory of design; internal whirlwind milling experiments were carried out in ordinary lathe modification. The results show that, under the existing conditions, with whirlwind milling can simplify the production process and achieve the screw, screw semi finishing requirements, and greatly improve the production efficiency. In practical application, can through the inner cyclone milling head is improved, until the design of inner whirlwind milling machine, can achieve screw machining.

【學(xué)位授予單位】：南京林業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：TG54;TH327

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 李福天;孫玉祥;;三螺桿泵螺旋齒形中心角的影響[J];船舶工程;2008年04期

2 譚立新,劉軍安;旋風(fēng)銑削運(yùn)動(dòng)的矢量建模[J];湖南工程學(xué)院學(xué)報(bào)(自然科學(xué)版);2001年02期

3 譚立新;偏心量對(duì)旋風(fēng)銑削加工及設(shè)備制造的影響[J];湖南工程學(xué)院學(xué)報(bào)(自然科學(xué)版);2002年02期

4 譚立新;旋風(fēng)銑削絲杠螺紋時(shí)牙槽兩側(cè)表面質(zhì)量差異分析及銑刀設(shè)計(jì)[J];工具技術(shù);2002年09期

5 李光華,黃德浩,薛強(qiáng);螺桿泵轉(zhuǎn)子型線研究[J];海軍工程大學(xué)學(xué)報(bào);2001年05期

6 王可;金鈺;孫興偉;;凸形螺桿轉(zhuǎn)子銑削技術(shù)的研究[J];機(jī)床與液壓;2007年09期

7 付玉升,王家欽,劉彤,王可;食品膨化擠出螺桿的內(nèi)旋風(fēng)銑削加工方法研究[J];機(jī)械設(shè)計(jì)與制造;2005年06期

8 趙文珍;周春雷;;截面包絡(luò)法加工復(fù)雜螺旋面的幾何仿真算法[J];機(jī)械設(shè)計(jì)與制造;2006年01期

9 付寶萍;田茂林;;旋風(fēng)硬銑削在滾珠絲杠加工中的應(yīng)用[J];金屬加工(冷加工);2010年06期

10 趙文珍;張新建;;基于最小有向距離原理的無干涉刀位軌跡計(jì)算[J];機(jī)械工程師;2007年10期

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