專利名稱：一種螺桿式壓縮機(jī)轉(zhuǎn)子的制作方法
技術(shù)領(lǐng)域：
本實(shí)用新型涉及一種轉(zhuǎn)子，尤其涉及一種螺桿式壓縮機(jī)轉(zhuǎn)子。
背景技術(shù)：
螺桿式壓縮機(jī)有一對相互嚙合的按一定傳動(dòng)比反向旋轉(zhuǎn)的螺旋形轉(zhuǎn)子，水平且 平行配置于機(jī)體內(nèi)部，具有凸齒的轉(zhuǎn)子為陽轉(zhuǎn)子，通常為驅(qū)動(dòng)轉(zhuǎn)子，具有凹齒的轉(zhuǎn)子稱 為陰轉(zhuǎn)子，通常為從動(dòng)轉(zhuǎn)子。螺桿式壓縮機(jī)屬于容積式壓縮機(jī)，它利用一對相互嚙合的 陰陽轉(zhuǎn)子在機(jī)體內(nèi)作回轉(zhuǎn)運(yùn)動(dòng)，周期性地改變轉(zhuǎn)子每對齒槽間的容積完成吸氣、壓縮、 排氣過程。螺桿式壓縮機(jī)轉(zhuǎn)子的齒形決定螺桿式壓縮機(jī)的性能。目前螺桿式壓縮機(jī)轉(zhuǎn)子的 齒形組成曲線有圓弧、擺線和橢圓及其包絡(luò)線等，但陰陽轉(zhuǎn)子的齒數(shù)比一般為6 5， 陰陽轉(zhuǎn)子的直徑差較大，陰轉(zhuǎn)子直徑較小，不適合陰轉(zhuǎn)子驅(qū)動(dòng)陽轉(zhuǎn)子，且因轉(zhuǎn)速比為1.2 倍，對螺桿式壓縮機(jī)排氣量的提高有限；由圓弧、擺線及其包絡(luò)線組成的螺桿式壓縮機(jī) 轉(zhuǎn)子的齒形存在尖點(diǎn)棱角，不利于加工和檢測，噪聲較大。
發(fā)明內(nèi)容本實(shí)用新型的目的在于克服上述現(xiàn)有技術(shù)的不足而提出種易于加丁，嚙合而光 滑，密封性好，陰陽轉(zhuǎn)子的直徑差小，可互換驅(qū)動(dòng)轉(zhuǎn)子，振動(dòng)小，噪聲低，提高螺桿式 壓縮機(jī)的排氣量和效率的螺桿式壓縮機(jī)轉(zhuǎn)子。本實(shí)用新型的目的可以通過如下措施來達(dá)到參見附圖，一種螺桿式壓縮機(jī)轉(zhuǎn) 子，它包含陰轉(zhuǎn)子1和陽轉(zhuǎn)子2，其特征在于陰轉(zhuǎn)子1和陽轉(zhuǎn)子2的齒形為雙邊非對稱， 齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽轉(zhuǎn)子的齒數(shù)比為7 5，陰陽轉(zhuǎn)子的直徑 分別為198mm和210mm，陰陽轉(zhuǎn)子的中心距為165mm。本實(shí)用新型同現(xiàn)有技術(shù)相比可產(chǎn)生如下積極效果1.轉(zhuǎn)子的齒形組成曲線為圓弧和橢圓及其包絡(luò)線，接觸線短，泄漏三角形小， 嚙合平穩(wěn)，密封性好，效率高；2.各組成齒形曲線間光滑連接，型線上無尖點(diǎn)，便于加工和檢測，流線性好， 噪聲低；3.節(jié)圓處成點(diǎn)嚙合，使整個(gè)嚙合線均可形成油膜；4.齒形為雙邊非對稱，陰陽轉(zhuǎn)子直徑調(diào)整方便，轉(zhuǎn)子間力矩分配合理，振動(dòng) 小；5.陰陽轉(zhuǎn)子的齒數(shù)比為7 5，轉(zhuǎn)速比為1.4倍，陰陽轉(zhuǎn)子直徑相差不大，轉(zhuǎn)子 剛度接近，承載能力高，可用于壓差和壓比較大的工況，可實(shí)現(xiàn)陰轉(zhuǎn)子1驅(qū)動(dòng)陽轉(zhuǎn)子2， 減少壓縮機(jī)的開發(fā)系列。我們知道，一種規(guī)格轉(zhuǎn)子的螺桿式壓縮機(jī)當(dāng)R22制冷劑更換成R134a制冷劑 時(shí)，其制冷量和功率降低至0.7左右，也就是說，要制冷量不變，通常的技術(shù)是用大一個(gè)規(guī)格轉(zhuǎn)子的螺桿式壓縮機(jī)。而采用本實(shí)用新型的技術(shù)，陰陽轉(zhuǎn)子的齒數(shù)比為7 5，轉(zhuǎn)速 比為1.4倍，不用增大一個(gè)規(guī)格轉(zhuǎn)子，就用原規(guī)格轉(zhuǎn)子實(shí)現(xiàn)了制冷量不變，且因排氣量的 提高，容積效率將提高，壓縮機(jī)性能也就提高對該規(guī)格轉(zhuǎn)子螺桿式壓縮機(jī)而言，因轉(zhuǎn) 子規(guī)格相同就可壓縮機(jī)的鑄件通用，因轉(zhuǎn)子齒形通用則加工齒形的刀具通用，從而可以 減少機(jī)型的開發(fā)和刀具的投入，可以大大節(jié)省開發(fā)成本，加快開發(fā)進(jìn)度，使螺桿式壓縮 機(jī)有更廣的應(yīng)用領(lǐng)域。
附圖是本實(shí)用新型一種螺桿式壓縮機(jī)轉(zhuǎn)子的結(jié)構(gòu)示意圖。圖中1.陰轉(zhuǎn)子，2.陽轉(zhuǎn)子
具體實(shí)施方式
以下結(jié)合附圖對本實(shí)用新型的具體實(shí)施方式
作詳細(xì)說明。實(shí)施例一種螺桿式壓縮機(jī)轉(zhuǎn)子，它包含陰轉(zhuǎn)子1和陽轉(zhuǎn)子2，陰轉(zhuǎn)子1和陽轉(zhuǎn) 子2的齒形為雙邊非對稱，其齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽轉(zhuǎn)子的齒 數(shù)比為7 5，陰陽轉(zhuǎn)子的直徑分別為198mm和210mm，陰陽轉(zhuǎn)子的中心距為165mm， 陰轉(zhuǎn)子1和陽轉(zhuǎn)子2以其中心點(diǎn)為坐標(biāo)原點(diǎn)且有間隙0.04mm的實(shí)際型線坐標(biāo)如下陽轉(zhuǎn)子陰轉(zhuǎn)子序號(hào)XlYlX2Y21 -61.71745149 84.94678441 58.47490109 79.835878792 -61.70638741 84.95476542 58.21253343 80.024788733 -61.69526916 84.96267078 57.94712396 80.209410744 -61.68409723 84.97050011 57.67873814 80.389699295 -61.67287217 84.97825306 57.40744215 80.565609916 -61.66159448 84.98592926 57.1333029 80.737099227 -61.65026469 84.99352835 56.856388 80.904124918 -61.63888333 85.00104999 56.57676575 81.066645799 -61.62745093 85.00849382 56.29450509 81.2246217710 -61.61596803 85.0158595 56.00967565 81.3780138711 -61.60443514 85.02314667 55.72234767 81.5267842712 -61.59285282 85.03035502 55.432592 81.6708962613 -61.5812216 85.03748419 55.14048011 81.8103142814 -61.56954203 85.04453385 54.84608404 81.9450039315 -61.55781464 85.05150369 54.54947638 82.07493216 -61.54603998 85.05839337 54.25073029 82.2000664117 -61.53421859 85.06520257 53.94991945 82.3203762918 -61.52235104 85.07193098 53.64711804 82.4358319519 -61.51043787 85.07857829 53.34240074 82.546404920 -61.49847963 85.08514418 53.0358427 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71.269496982776.89459427478.48025014-18.0415086871.710850842787.4154263678.86228669-18.2909001772.169560882797.95706198179.25429697-18.5392008572.646637462808.5210294679.65653355-18.7861556673.143182992819.10895403780.06921879-19.0314731773.660403542829.72256169280.49253723-19.2748198374.1996224428310.3636826780.92662705-19.5158130574.7622961128411.0342546281.37157056-19.754012975.3500328628511.7363251781.82738374-19.9889121275.9646151528612.4720539782.29400469-20.2199238776.6080261928713.2437139182.77128112-20.4463668377.2824820628814.0536914983.25895677-20.6674467877.990470592891 4.9044861183.75665679-20.8822335378.7347990929015.7987082584.2638722-21.0896320879.5186532729116.7390762984.77994338-21.2883458280.3456710129217.7284117785.30404274-21.4768292881.2200355529318.769633185.83515671-21.65322649 82.14659491[0312]29419.8657473886.372067-21.81528956 83.131017329521.0198403886.91333161-21.9602691184.1799963729622.2350643587.45726547-22.0847643385.301527929723.5146236788.00192108-22.1845130186.505290629824.8617582388.54506941-22.2540902587.8031836229926.2797244589.0841812-22.2864632389.2101078830027.7717738589.61640913-22.2723098490.7451421930129.3411292890.13857092-22.1989307692.433390430229.6656143590.24094671-22.1960170392.4899203230329.9910460490.34027232-22.1941762592.5464953330430.3173956890.436539-22.1934090892.6030950930530.6446345190.52973827-22.1937158192.6596992130630.9727337290.61986192-22.1950963292.7162873330731.3016643990.70690201-22.1975501192.7728390830831.6313975390.79085087-22.2010762992.829334130931.9619041190.87170111-22.2056736192.8857520531032.2931550190.9494456-22.2113404192.9420726431132.6251210391.02407749-22.2180746492.9982755831232.9577729491.09559021-22.2258738993.0543406631333.2910814291.16397746-22.2347353493.1102476931433.6250171291.2292332-22.244655893.1659765431533.959550691.29135171-22.2556317293.2215071731634.2946524191.35032749-22.2676591293.2768195831734.63029391.40615535-22.2807336993.3318938631834.9664428291.45883038-22.2948507293.3867101931935.3030722591.50834794-22.3100051393.4412488532035.6401516391.55470366-22.3261914793.4954901932135.9776512691.59789346-22.343403993.5494147132236.3155414191.63791353-22.3616362393.6030029832336.6537923291.67476034-22.3808819193.6562357232436.9923741791.70843066-22.40113493.7090937832537.3312571491.73892151-22.4223852193.7615581232637.6704113891.76623022-22.444627993.8136098632738.0098069991.79035436-22.4678540593.8652302732838.349414191.81129182-22.4920553293.9164007732938.6892027691.82904075-22.5172229893.9671029333039.0291430591.8435996-22.5433479994.0173185233139.3692050291.85496706-22.5704209394.0670294533239.709358791.86314216-22.5984320694.11621784[0351]33340.0495741391.86812415-22.6273713194.1648659833440.3898213491.86991261-22.6572282594.2129563533540.7300703591.86850738-22.6879921394.2604716633641.0702911791.86390859-22.719651994.3073947933741.4104538591.85611662-22.7521961494.3537088733841.750528491.84513219-22.7856131494.3993972133942.0904848891.83095624-22.8198908994.4444433734042.4302933291.81359003-22.8550170494.4888311534142.7699237891.79303509-22.8909789494.5325445734243.1093463691.76929324-22.9277636694.5755678834343.4485311491.74236655-22.9653579594.6178856134443.7874482491.71225741-23.0037482994.6594825234544.126067891.67896847-23.0429208594.7003436534644.4643599991.64250266-23.0828615394.7404542834744.80229591.60286319-23.1235559794.7797999734845.1398430791.56005356-23.1649895194.8183665834945.4769744491.51407753-23.2071472394.8561402135045.8136594391.46493916-23.2500139894.8931072635146.1498683791.41264278-23.2935743194.9292544535246.4855716391.357193-23.3378125494.9645687435346.8207396591.29859469-23.3827127794.9990374435447.1553428991.23685302-23.4282588195.0326481335547.4893518791.17197344-23.4744342995.0653887235647.8227371791.10396165-23.5212225895.0972474335748.1554694191.03282365-23.5686068495.1282127835848.4875192990.95856571-23.6165700195.1582736335948.8188575490.88119437-23.6650948495.1874191736049.1494549790.80071644-23.7141638595.215638936149.4792824690.71713902-23.7637593895.2429226636249.8083109690.63046947-23.813863695.2692606436350.1365114690.54071543-23.8644584595.2946433536450.4638550790.44788479-23.9155257395.3190616636550.7903129390.35198575-23.9670470695.3425067836651.1158562890.25302675-24.0190038995.3649702736751.4404564590.1510165-24.0713775395.3864440536851.7640848490.04596401-24.1241491295.4069203836952.0867129389.93787851-24.1772996795.426391937052.4083123189.82676954-24.2308100495.444851637152.7288546389.71264688-24.2846609995.46229284[0390]37253.0483116589.59552058-24.3388331295.4787093237353.3666552489.47540098-24.3933069495.4940951637453.6838573589.35229864-24.4480628495.5084448137553.9998900289.22622441-24.5030811295.521753137654.3147254289.09718941-24.5583419695.5340152537754.6283358188.965205-24.6138254895.5452268337854.9406935588.8302828-24.6695117295.5553838337955.2517711488.69243471-24.7253806195.5644825738055.5615411688.55167287-24.7814120795.5725197938155.8699763288.40800968-24.8375859295.5794925938256.1770494588.2614578-24.8938819495.5853984738356.4827334988.11203014-24.9502798695.5902352938456.7870015287.95973986-25.006759495.5940013138557.0898267287.80460038-25.0633002295.5966951938657.3911824287.64662537-25.1198819695.5983159538757.6910420787.48582875-25.1764842895.5988630138857.9893792487.32222469-25.2330867895.5983361738958.2861676687.15582759-25.289669195.5967356139058.5813811886.98665212-25.3462108895.5940619339158.8749937886.81471318-25.4026917695.5903160739259.1669796186.64002592-25.4590914195.5854993939359.4573129386.46260573-25.5153895395.5796136239459.7459681786.28246824-25.5715658695.5726608839560.0329198986.09962933-25.6276001995.5646436739660.3181428285.9141051-25.6834723395.5555648839760.6016118385.72591189-25.7391621995.5454277739860.8833019385.53506628-25.7946497195.53423639961.1631883385.3415851-25.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548538-25.9049379595.5087049540161.7174514984.94678441-25.9596989795.49437486。
權(quán)利要求1.一種螺桿式壓縮機(jī)轉(zhuǎn)子，它包含陰轉(zhuǎn)子(1)和陽轉(zhuǎn)子(2)，其特征在于陰轉(zhuǎn)子(1) 和陽轉(zhuǎn)子(2)的齒形為雙邊非對稱，其齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽 轉(zhuǎn)子的齒數(shù)比為7 5，陰陽轉(zhuǎn)子的直徑分別為198mm和210mm，陰陽轉(zhuǎn)子的中心距為 165mm0
2.根據(jù)權(quán)利要求1所述的一種螺桿式壓縮機(jī)轉(zhuǎn)子，其特征在于所述的陰轉(zhuǎn)子(1)和陽 轉(zhuǎn)子(2)以其中心點(diǎn)為坐標(biāo)原點(diǎn)且有間隙004_的實(shí)際型線坐標(biāo)如下陽轉(zhuǎn)子陰轉(zhuǎn)子序號(hào) XlYlX2 Y21-61.71745149 84.9467844158.4749010979.835878792-61.70638741 84.9547654258.2125334380.024788733-61.69526916 84.9626707857.9471239680.209410744-61.68409723 84.9705001157.6787381480.389699295-61.67287217 84.9782530657.4074421580.565609916-61.66159448 84.9859292657.133302980.737099227-61.65026469 84.9935283556.856388 80.904124918-61.63888333 85.0010499956.5767657581.066645799-61.62745093 85.0084938256.2945050981.2246217710-61.61596803 85.015859556.0096756581.3780138711-61.60443514 85.0231466755.7223476781.5267842712-61.59285282 85.0303550255.43259281.6708962613-61.5812216 85.0374841955.1404801181.8103142814-61.56954203 85.0445338554.8460840481.9450039315-61.55781464 85.0515036954.5494763882.07493216-61.54603998 85.0583933754.2507302982.2000664117-61.53421859 85.0652025753.9499194582.3203762918-61.52235104 85.0719309853.6471180482.4358319519-61.51043787 85.0785782953.3424007482.546404920-61.49847963 85.0851441853.035842782.6520678521-61.48647689 85.0916283552.7275195382.7527947222-61.47443019 85.0980304952.4175072682.8485606423-61.46234011 85.1043503252.1058823782.9393419824-61.4502072 85.1105875351.792721783.0251163125-61.43803203 85.1167418451.478102583.1058624726-61.42581516 85.1228129651.1621023683.1815605127-61.41355716 85.128800650.8447992283.2521917428-61.40125861 85.1347044950.5262713583.3177387129-61.38892007 85.1405243550.2065973183.3781852330-61.37654212 85.1462599249.8858559483.4335163631-61.36412534 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專利摘要本實(shí)用新型公開了一種螺桿式壓縮機(jī)轉(zhuǎn)子，它包含陰轉(zhuǎn)子(1)和陽轉(zhuǎn)子(2)，其特征在于陰轉(zhuǎn)子(1)和陽轉(zhuǎn)子(2)的齒形為雙邊非對稱，齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽轉(zhuǎn)子的齒數(shù)比為7∶5，陰陽轉(zhuǎn)子的直徑分別為198mm和210mm，陰陽轉(zhuǎn)子的中心距為165mm，本實(shí)用新型易于加工，嚙合面光滑，密封性好，陰陽轉(zhuǎn)子的直徑差小，可互換驅(qū)動(dòng)轉(zhuǎn)子，振動(dòng)小，噪聲低，提高了螺桿式壓縮機(jī)的排氣量和效率。
文檔編號(hào)F04C18/16GK201794787SQ201020537779
公開日2011年4月13日 申請日期2010年9月16日 優(yōu)先權(quán)日2010年9月16日
發(fā)明者余金龍, 孫洪亮, 陳昌滿 申請人:大連冷凍設(shè)備制造有限責(zé)任公司, 武漢凱龍技術(shù)開發(fā)有限責(zé)任公司