201238706 六、發明說明 【發明所屬之技術領域】 本發明關於旋轉工作台裝置等的驅動源所使用的旋轉 裝置。 【先前技術】 以往’在例如機床等領域中，作爲用作工件的載置台 的旋轉工作台裝置的驅動源，使用具有旋轉電機和減速器 的旋轉裝置（例如，參照專利文獻1)。在該旋轉裝置 中’旋轉電機的轉子經由安裝突緣利用螺栓被連結在減速 器的輸入軸。另外’在減速器的輸入軸上設置有滾齒式凸 輪。而且’設置在輸出軸外圍的凸輪從動件依序與滾齒式 凸輪卡合，由此，輸入軸的旋轉被減速並傳遞到輸出軸。 輸入軸和輸出軸以各軸的軸向成爲大致垂直且扭轉的位置 關係的方式能夠旋轉地配置在殼體內。 〔現有技術文獻〕 〔專利文獻1〕日本實開平3- 1 26545號公報 在旋轉電機中，轉子和定子需要以相互成爲同軸的方 式精度良好地被定位。 此時，在上述現有技術的旋轉裝置中，旋轉電機的轉 子經由安裝突緣與減速器的輸入軸連結。另一方面，支承 輸入軸的軸承經由軸承套筒被固定在減速器的殻體上。旋 轉電機的定子經由支承板被固定在該殼體上。如此’成爲 在轉子和定子之間夾設有多個構件的結構。其結果’存在 -5- 201238706 難以確保旋轉電機中的轉子和定子的同軸度的問題。另 外’由於構件多，所以還存在旋轉裝置的組裝作業需要花 費時間的問題。 【發明內容】 〔發明欲解決之課題〕 本發明的目的是提供一種旋轉裝置，能夠確保旋轉電 機的轉子和定子的同軸度，並能夠高效率進行組裝作業。 爲實現上述目的，本發明申請的旋轉裝置一體具備： 將勵磁部和電樞中的任一方作爲轉子且將另一方作爲定子 的旋轉電機，及減速器，其特徵爲，上述減速器，具有： 設置有滾齒式凸輪的輸入軸，及輸出軸，在上述輸出軸的 外圍設置有依序與上述滾齒式凸輪卡合的凸輪從動件，上 述輸出軸沿著與上述輸入軸垂直的方向延伸，上述旋轉電 機，具備：旋轉軸，上述轉子固定於上述旋轉軸有上述旋 轉軸與上述減速器的上述輸入軸同軸地連結，及軸承支承 構件，上述軸承支承構件對軸承進行支承，該軸承將上述 減速器的上述輸入軸支承爲能夠自由旋轉，上述定子設置 於上述軸承支承構件。 較佳的是，上述減速器具有殼體，上述殼體具有供上 述輸入軸貫穿的貫穿孔，並且上述殼體能夠沿著與上述輸 入軸的軸向正交的方向分割，上述旋轉電機的上述軸承支 承構件設置於上述殼體的上述貫穿孔中。 更較佳的是，上述軸承支承構件’具有：支承部，上 -6- 201238706 述支承部具有供上述軸承嵌合的嵌合部，上述支承部的外 徑比上述貫穿孔的內徑小；及凸緣部，上述凸緣部的外徑 比上述貫穿孔的內徑大。 再較佳的是’上述軸承支承構件具有與上述定子套接 的套接部。 〔發明效果〕 根據本發明，能夠確保旋轉電機的轉子與定子的同軸 度，並能夠高效率進行旋轉裝置的組裝作業。 【實施方式】 以下，參照附圖說明本發明的實施形態。 首先，使用圖1及圖2說明作爲本發明的一個實施形 態的旋轉裝置的整體結構。圖1是表示作爲本發明的一個 實施形態的旋轉裝置的整體結構的縱剖視圖。圖2是表示 作爲本發明的一個實施形態的旋轉裝置的整體結構性、從 編碼部側觀察的側視圖。 如圖1所示，旋轉裝置1 一體具備作爲旋轉電機的電 機100和減速器200。電機100具有電機電磁部110和編 碼部120。在電機電磁部110與編碼部120之間配置有減 速器200。 電機電磁部110具備轉子111和定子113。轉子111 以與旋轉軸101成爲同軸的方式被固定。定子113以沿著 徑向與轉子111的外圍面對置的方式被固定在電機支架 201238706 112上。旋轉軸101與減速器200的輸入軸211—體 爲一根軸。 轉子111具有磁軛114及磁鐵115。轉子111從 軸1 〇 1的減速器200相反側（負荷相反側。圖1中右 被插入，並被黏接固定在旋轉軸101的外圍。 定子113具有層疊鐵芯體1131、繞線管1132、 線1 1 3 3、供繞組線1 1 3 3接線的接線基板1 1 3 5、和輸 子1136。繞線管1132貫插層疊鐵芯體1131。繞 1133捲繞在繞線管1132上。輸入端子1136與接線 1 1 3 5連接。繞線管1 1 3 2由樹脂等絕緣性材料構成。 管1 132使層疊鐵芯體1 131與繞組線1 133電絕緣。 鐵芯體1 1 3 1、繞線管1 1 3 2、繞組線1 1 3 3、接線基板 和輸入端子1136是由樹脂1134模製（mold)而成。 子113的減速器200相反側設置有托架116。在該 116的更靠減速器200相反側的位置設置有蓋罩102。 編碼部120夾著減速器200地配置在與電機電 110相反的一側。編碼部120具有編碼器121和編碼 罩122。編碼器121是例如光學編碼器式或磁式編碼 編碼器蓋罩122覆蓋編碼器121。編碼器121檢測旋 101的旋轉角度等。 以下，對減速器200進行說明。減速器200是所 滾齒式（roller gear )減速器。減速器200具有輸 211、輸出軸221和殼體201。輸入軸211上設置有 式凸輪212。在輸出軸221的外圍設置有依序與滾齒 成形 旋轉 側） 繞組 入端 組線 基板 繞線 層疊 1135 在定 托架 磁部 器蓋 器。 轉軸 謂的 入軸 滾齒 式凸 -8- 201238706 輪212卡合的凸輪從動件222。在殼體201的內部，輸入 軸211和輸出軸221配設成各軸的軸向大致垂直且扭轉的 位置關係。 輸入軸211通過配置在軸向兩側的軸承213被支承爲 能夠相對於殼體201自由旋轉。在輸入軸211上一體設置 有滾齒式凸輪212。在該滾齒式凸輪212上形成有螺旋狀 的錐形肋214。錐形肋214根據其旋轉角度一樣地產生軸 向移位元。另外，如前上述，輸入軸211與電機100的旋 轉軸101 —體成形爲一根軸。 輸出軸221是中空軸。輸出軸221通過配置在軸向兩 側的未圖示的軸承被支承爲能夠相對於殼體201自由旋 轉。在輸出軸221的外圍面，沿著周向隔開預定間隔且呈 放射狀地設置有多個凸輪從動件222。該等凸輪從動件 222中的相鄰的兩個凸輪從動件222隨著滾齒式凸輪212 的旋轉，依序相對於錐形肋214的兩側面施加預負荷並抵 接卡合。由此，輸入軸211的旋轉被減速而傳遞到輸出軸 22卜 如圖2所示’殼體201能夠沿著與輸入軸211的軸向 正交的方向（即輸出軸221的軸向。圖2中左右方向）分 割。殼體201具有第一殼體部201u及第二殼體部201d這 兩個殼體部。上述第一殼體部201u和第二殼體部201d通 過螺栓207(參照圖1)連結。另外，殻體201具有供輸 入軸211貫穿的貫穿孔2〇2。在該貫穿孔2 02中的靠編碼 部120側的貫穿孔202a中設置有軸承213。在該軸承213 -9 - 201238706 的軸端側（圖1中左側）設置有油封2〇3和油封座204。 油封座204支承油封203，並且對軸承213施加預負荷》 貫穿孔202a的更靠軸端側向殼體201的表面開口。編碼 器蓋罩122固定在該開口 206的預定位置。 在貫穿孔 202中的靠電機電磁部110側的貫穿孔 2 02b中設置有軸承支承構件140。軸承支承構件140支承 軸承213，並且對該軸承213施加一定的預負荷。此外， 在軸承213是不需要施加預負荷的軸承（例如圓柱滾子軸 承等）的情況下，軸承支承構件140以不施加預負荷的狀 態支承軸承213。在貫穿孔202b的軸端側（圖1中右 側），孔徑擴大地向殼體201的表面開口。電機電磁部 1 10經由軸承支承構件140被定位並固定在該開口 205的 預定位置。 以下，使用圖3說明軸承支承構件140。圖3A是抽 出圖1所示的旋轉裝置1的縱剖視圖中的軸承支承構件 140附近表示的局部放大圖。圖3B是相當於圖3A中]ΠΒ-瓜B剖面的剖視圖。 如圖3A及圖3B所示，軸承支承構件140是中央具 有用於使輸入軸211貫穿的貫穿孔141的環狀構件。該軸 承支承構件140具有支承部142和凸緣部143。支承部 I42的外徑比上述的殻體2〇1的靠電機電磁部11〇側的貫 穿孔202b的內徑小。凸緣部！ ο的外徑比貫穿孔2〇2b的 內徑大。在軸承支承構件14〇被固定在殼體2〇1的貫穿孔 2〇2b中的狀態下，支承部142插入於貫穿孔2〇2b的內 -10- 201238706 部。而且，凸緣部143配置在貫穿孔202b的外部 例中配置在上述的開口 205內。此時，由於支承部 外徑比貫穿孔202b的內徑小，所以在支承部142 與貫穿孔202b的內周之間形成間隙S。 貫穿孔141的減速器200側（圖3 A中左側） 擴大的方式向軸承支承構件140的減速器200側 中左側）的表面開口。該開口 1 44作爲供軸承2 1 3 嵌合部發揮功能。將軸承213嵌合在開口 144中， 支承部142對軸承213進行支承。此外，在貫穿孔 開口 144之間，因孔徑差而形成階梯差部145。該 部145對軸承213施加一定的預負荷。 在貫穿孔141的減速器200相反側（圖3A中 設置有油封203。該油封203通過呈圓周狀地設置 部1 4 3的徑向中央側的油封座部1 4 6被支承。 在凸緣部143的周向多個部位（該例中是8個 形成有螺栓孔147。用於固定軸承支承構件140 208貫插在螺栓孔147中。螺栓孔147的孔徑形成 208大。在各螺栓孔147內，在螺栓208的周圍 隙。將螺栓208貫插在形成於凸緣部143的螺栓孔 並與殼體201緊固。由此，軸承支承構件140被固 體201的貫穿孔202b中。 另外，凸緣部143具有形成在徑向外圍側的凸 (套接部）。凸部148與油封座部146呈同心圓狀 此外，作爲套接V 口一結合）部不限於凸部形 ，在該 142的 的外圍 以孔徑 (圖3 A 嵌合的 由此， 141與 階梯差 右側） 在凸緣 部位） 的螺栓 比螺栓 形成間 147中 定在殼 部148 設置。 狀，也 -11 - 201238706 可以是凹部形狀。該凸部148朝向减速器200相反側（图 3A中右側）突出地形成。通過使凸部148的內周面與電 機電磁部110的定子113的樹脂1134的外圍面卡合，從 而使凸部148和樹脂1134套接。由此，定子113設置在 軸承支承構件140上。此時，電機支架112的端部與凸部 148抵靠，發揮套接時的抵靠面的作用。通過該套接，軸 承支承構件140和定子113被定位成彼此同軸。此外，凸 部148和樹脂1134被套接之後，通過黏接進行固定。 對由以上說明的旋轉裝置1得到的效果進行說明。 如上述，電機100具備軸承支承構件140。軸承支承 構件140支承軸承213，並對該軸承213施加一定的預負 荷，上述軸承213將減速器200的輸入軸211支承爲能夠 自由旋轉。而且，定子113設置在該軸承支承構件140 上。此時，減速器200的輸入軸211和電機1〇〇的旋轉軸 101 —體構成爲同軸》其結果，轉子111和定子113實質 上通過一個構件即軸承支承構件140進行定位。由此，能 夠提高旋轉電機100中的轉子111和定子113的同軸度。 另外’軸承支承構件14〇是通過一個構件發揮定子113的 安裝構件、軸承213的支承構件及預負荷構件的功能。其 結果’能夠減少零件數目，能夠高效率進行旋轉裝置1的 組裝作業。 另外’在本實施形態中，尤其是，減速器200的殼體 201能夠沿著與輸入軸211的軸向正交的方向分割。在此 結構的情況下’如圖3 B作爲一例所示，有時在兩個殼體 -12- 201238706 部201u、201d間產生尺寸誤差。該情況下， 部1 10側的貫穿孔202b中，可能會在殼體部 部分產生階梯差209。該情況下，例如是軸承 孔202b的一般結構的情況下，貫穿孔202b的 的外徑大致一致。其結果，難以直接將軸承嵌 2 0 2b中。由此，需要消除貫穿孔202b的階梯 削作業等，旋轉裝置的組裝作業需要花費時間 而在本實施形態的旋轉裝置1中，軸承支 以支承軸承213的狀態設置在殼體201的J 中。此時，軸承支承構件140的支承部142的 孔202b的內徑小。由此，在支承部142的外 2 02b的內周之間形成有間隙S。由此，即使如 孔202b中產生階梯差209的情況下，如圖3B 夠利用間隙S允許階梯差209，將軸承21 3配 202b中。其結果，不需要消除階梯差209 等，能夠容易地將軸承213設置於殻體201» 高效率進行旋轉裝置1的組裝作業。另外，通 142的外徑與貫穿孔202b的內徑之間的尺寸 裕，從而即使在貫穿孔2 02b中產生的階梯差 況下，也能夠可靠地設置軸承213。 另外，在軸承支承構件140的凸緣部143 147的孔徑形成得比螺栓208大。另外，在各 內，在螺栓2 0 8的周圍形成有間隙。通過該螺 間隙、以及上述的支承部142的外圍與貫穿孔 在電機電磁 彼此的抵靠 嵌入於貫穿 內徑和軸承 入於貫穿孔 差209的切 〇 承構件1 4 0 t穿孔202b 外徑比貫穿 圍與貫穿孔 上述在貫穿 所示，也能 置在貫穿孔 的切削作業 因此，能夠 過使支承部 差比較有餘 2 0 9大的情 中，螺栓孔 螺栓孔147 栓孔147的 202b的內 -13- 201238706 周之間的間隙S，能夠將軸承支承構件1 40固定在任意的 位置。即，軸承支承構件140在沿著與輸入軸211的軸向 垂直的面方向錯開間隙的量的同時相對於殼體201被固 定。因此，因殼體部201u、201d的尺寸誤差，貫穿孔 202b的中心位置相對於輸入軸2 1 1的軸芯位置錯位的情 況下，也能夠將軸承213支承並固定在與輸入軸211同軸 的位置。 另外，在本實施形態中，尤其是，軸承支承構件140 具有支承部142和凸緣部143。支承部142具有供軸承 21 1嵌合的開口 144。支承部142的外徑比貫穿孔202b的 內徑小。由此，將軸承支承構件140固定在殼體201上 時，能夠在支承部142的外圍和貫穿孔2 02b的內周之間 可靠地形成間隙S的同時，能夠將軸承2 1 1配置在貫穿孔 2 0 2b的內部。另一方面，凸緣部143的外徑比貫穿孔 202b的內徑大。由此，利用位於貫穿孔202b外部的凸緣 部143，通過螺栓緊固，將軸承支承構件140可靠地固定 在殻體201上。 另外，在本實施形態中，尤其是，軸承支承構件140 的凸緣部143具有凸部148。凸部148與電機100的定子 113的樹脂1134套接。由此，在旋轉裝置1的組裝作業 中，將電機1〇〇安裝在減速器200上時，將凸部148與定 子113套接。其結果，能夠將定子113相對於軸承支承構 件140定位在預定位置，並能夠容易地安裝。因此，不需 要對電機1 〇〇的定位作業，能夠提高組裝作業的作業性。 -14- 201238706 另外，在組裝作業中，使輸入軸211貫插於被 承構件140支承的軸承213中，並將軸承支承構件 裝在輸入軸211上。然後，使軸承支承構件140 148與電機100的定子113套接，從而將定子113 軸承支承構件140上。此時，最初將軸承支承構件 裝在輸入軸211上時，軸承支承構件140與輸入軸 此成爲同軸。另外，然後在使軸承支承構件140 148與電機100的定子113套接時，軸承支承構件 定子113彼此成爲同軸的。而且，由於減速器200 軸211與電機1〇〇的旋轉軸101—體構成，所以是 其結果，將電機100安裝在減速器200上時，轉子 定子113經由軸承支承構件140彼此成爲同軸地被 其結果，能夠提高旋轉裝置1的組裝精度。 而且，使電機1〇〇的定子113直接套接在軸承 件140上。由此，與例如將電機1〇〇的托架安裝在 承構件140上的結構相比，不需要托架。因此，能 電機1 〇〇 (即旋轉裝置1 )的小型化。 此外，本發明不限於上述實施形態，在不脫離 及技術思想的範圍內能夠進行各種變形。以下，依 此的變形例進行說明。 (1)還將軸承支承構件設置在編碼部側的情祝 在上述實施形態中，採用了僅電機電磁部110 承213由軸承支承構件140支承的結構，但不限 即，編碼部120側的軸承213也可以由另一軸承支 軸承支 140安 的凸部 安裝在 140安 21 1彼 的凸部 140與 的輸入 同軸。 1 1 1和 定位。 支承構 軸承支 夠實現 其主旨 序對如 側的軸 於此。 承構件 -15- 201238706 進行支承》 圖4是表示本變形例的旋轉裝置的整體結構的縱剖視 圖。在該圖4中，與圖丨同樣的部分標注相同的附圖標記 並適當省略說明。如圖4所示，在旋轉裝置1 A的減速器 200A中’在編碼部12〇側的貫穿孔202a中，也固定有支 承軸承213的軸承支承構件150〇 軸承支承構件150與軸承支承構件140同樣地是中央 具有用於使輸入軸211貫穿的貫穿孔151的環狀構件。該 軸承支承構件150具有支承部152和凸緣部153。支承部 152的外徑比殻體201的編碼部120側的貫穿孔202a的 內徑小。凸緣部153的外徑比貫穿孔202a的內徑大。在 軸承支承構件150被固定在殻體201的貫穿孔202a中的 狀態下’支承部152被插入於貫穿孔202a的內部。另 外，凸緣部153配置在貫穿孔202a的外部，在該例中配 置在上述的開口 2 06內。此時，由於支承部152的外徑比 貫穿孔202a的內徑小，所以在支承部152的外圍與貫穿 孔202a的內周之間形成間隙S。 貫穿孔1 5 1的減速器200A側（圖4中右側）以孔徑 擴大的方式向軸承支承構件150的減速器20 0A側的表面 開口。該開口 154作爲供軸承213嵌合的嵌合部發揮功 能。在貫穿孔1 5 1與開口 1 54之間因孔徑差而形成有階梯 差部155。該階梯差部155對軸承213施加一定的預負 荷。在貫穿孔1 51的減速器200A相反側（圖4中左側） 設置有油封203。 -16- 201238706 在凸緣部153，與軸承支承構件140同樣地在周向多 個部位形成有螺栓孔157，用於固定軸承支承構件150的 螺栓2 0 8貫插於該螺栓孔1 5 7中。螺栓孔1 5 7的孔徑形成 得比螺栓208大。在各螺栓孔157內，在螺栓208的周圍 形成有間隙。將螺栓208貫插在形成於凸緣部153的螺栓 孔157中而與殼體201緊固。由此，軸承支承構件150被 固定在殼體201的貫穿孔202a中。 在軸承支承構件150的減速器200A相反側設置有編 碼器蓋罩122。此外，關於旋轉裝置1A的上述以外的結 構，與前述的實施形態的旋轉裝置1相同。 根據本變形例，得到與前述的實施形態同樣的效果。 另外，即使在編碼部120側的貫穿孔202a中產生階梯差 的情況下，也能夠利用間隙S允許該階梯差，將軸承2 1 3 配置在貫穿孔202a中。 (2)通過在外圍形成的螺紋部固定軸承支承構件的 情況 在上述實施形態中，螺栓20 8被貫插在形成於軸承支 承構件140的凸緣部143上的螺栓孔147中，凸緣部143 與殼體201緊固。由此，軸承支承構件14〇被固定在殼體 2 01上’但不限於此。例如，如後述的圖5所示的結構那 樣’形成在軸承支承構件140B的凸緣部143B的外圍上 的螺紋部1431也可以與形成在殼體201B的開口 205的內 周上的螺紋部螺合。該情況下，通過該螺合，軸承支承構 件140B被固定在殻體201B上。此外，該變形例也能夠 -17- 201238706 適用於殼體201B的開口 205沒有產生階梯差的情況（例 如殼體201B不是分割結構的情況。或者，兩個殼體部 2 0 1 u、2 0 1 d的尺寸誤差小的情況等）。 圖5是表示本變形例的旋轉裝置的整體結構的縱剖視 圖。在該圖5中，與圖1等同樣的部分標注相同的附圖標 記並適當省略說明。如圖5所示，在旋轉裝置1B的減速 器200B中，支承軸承213的軸承支承構件140B設置在 殼體201B的貫穿孔2〇2中的靠電機亀磁部1 1〇側（圖5 中右側）的貫穿孔202b中。 軸承支承構件140B具有支承部142B和凸緣部 143B。支承部142B是與前述的支承部142大致同樣的結 構。 凸緣部143B與凸緣部143不同，在該凸緣部143B 的周向未形成前述的螺栓孔147。在該凸緣部143B的外 圍形成有螺紋部1431。將該螺紋部1431擰入於形成在殼 體201B的開口 205內周的螺紋部（省略圖示）中而進行 螺合。由此，軸承支承構件140B被固定在殼體201B 上。另外，在該凸緣部143B的靠電機電磁部1 1〇側形成 有夾具安裝用的孔1 43 2。在調整對軸承213施加的預負 荷時，從電機電磁部110側將預定的夾具安裝在該孔 1432中。然後，通過該夾具使軸承支承構件14〇b旋转， 來調整螺紋部1431的旋入量。由此，將軸承支承構件 140B向編碼部120側（圖5中左側）壓入，或者將軸承 支承構件140B向電機電磁部11〇側拉出，由此對上述預 -18- 201238706 負荷進行調整。 此外’關於旋轉裝置1B的上述以外的結構，與前述 的實施形態的旋轉裝置1相同。 根據以上說明的本變形例，能夠得到與前述的實施形 態同樣的效果。另外，尤其根據本變形例，能夠得到以下 效果。即’設置在軸承支承構件140B外圍的螺紋部1431 與形成在殼體201B的開口 205內周的螺紋部螺合。由 此’使軸承支承構件140B旋轉來調整螺紋部143 1的旋入 量’能夠使輸入軸211的滾齒式凸輪212的位置沿著軸向 滑動。其結果’能夠進行滾齒式凸輪2 1 2的錐形肋2 I 4和 輸出軸221的凸輪從動件222之間的接觸狀態的微調整。 其結果，能夠進行更高精度的定位。另外，定子113通過 套接被固定在軸承支承構件140B上。由此，即便使軸承 支承構件140B旋轉而使得輸入軸21 1的位置沿著軸向移 動了，定子1 1 3也同樣地沿著軸向移動。其結果，能夠使 轉子111與定子113的相對位置不變。 此外’在本變形例中，採用了僅一側的軸承213由軸 承支承構件支承的結構。但是，如上述（1 )的變形例那 樣，編碼部12〇側的軸承213也可以由軸承支承構件支 承。該情況下，也可以採用如下結構：通過使在該軸承支 承構件的凸緣部的外圍形成的螺紋部與在殻體的內周形成 的螺紋部螺合，從而將該軸承支承構件固定在殼體的貫穿 孔中。 (3 )其他201238706 VI. Description of the Invention [Technical Field] The present invention relates to a rotating device used for a driving source of a rotary table device or the like. [Prior Art] In the field of a machine tool or the like, a rotary device including a rotary electric machine and a speed reducer is used as a drive source of a rotary table device serving as a mounting table for a workpiece (see, for example, Patent Document 1). In the rotating device, the rotor of the rotating electrical machine is coupled to the input shaft of the speed reducer via a mounting flange by a bolt. Further, a hobbing cam is provided on the input shaft of the speed reducer. Further, the cam followers provided at the periphery of the output shaft are sequentially engaged with the hobbing cams, whereby the rotation of the input shaft is decelerated and transmitted to the output shaft. The input shaft and the output shaft are rotatably disposed in the casing such that the axial direction of each of the shafts is substantially perpendicular and twisted. [PRIOR ART DOCUMENT] [Patent Document 1] Japanese Laid-Open Patent Publication No. Hei No. Hei. No. Hei. No. Hei. No. Hei. At this time, in the above-described prior art rotating device, the rotor of the rotary electric machine is coupled to the input shaft of the speed reducer via the mounting flange. On the other hand, the bearing supporting the input shaft is fixed to the housing of the speed reducer via a bearing sleeve. The stator of the rotary motor is fixed to the housing via a support plate. Thus, the structure is such that a plurality of members are interposed between the rotor and the stator. As a result, there is a problem that it is difficult to ensure the coaxiality of the rotor and the stator in the rotating electrical machine in the presence of -5 - 201238706. In addition, since there are many members, there is a problem that it takes time to assemble the rotating device. [Problem to be Solved by the Invention] An object of the present invention is to provide a rotating device capable of ensuring the coaxiality of a rotor and a stator of a rotating electric machine and capable of performing assembly work with high efficiency. In order to achieve the above object, a rotary device according to the present invention includes: a rotary electric machine in which one of an excitation portion and an armature is a rotor and a stator as a stator, and a speed reducer, wherein the speed reducer has An input shaft provided with a hobbing cam and an output shaft, wherein a cam follower sequentially engaged with the hobbing cam is disposed on a periphery of the output shaft, the output shaft being perpendicular to the input shaft The rotating electric machine includes a rotating shaft, the rotor is fixed to the rotating shaft, the rotating shaft is coaxially coupled to the input shaft of the speed reducer, and a bearing supporting member supports the bearing. The bearing supports the input shaft of the speed reducer so as to be rotatable, and the stator is provided on the bearing support member. Preferably, the speed reducer has a casing, the casing has a through hole through which the input shaft is inserted, and the casing is separable in a direction orthogonal to an axial direction of the input shaft, and the above-described rotating electrical machine The bearing support member is disposed in the through hole of the housing. More preferably, the bearing support member ′ has a support portion, and the support portion has a fitting portion for fitting the bearing, and an outer diameter of the support portion is smaller than an inner diameter of the through hole; And a flange portion, wherein an outer diameter of the flange portion is larger than an inner diameter of the through hole. More preferably, the bearing support member has a socket portion that is sleeved with the stator. [Effect of the Invention] According to the present invention, it is possible to ensure the coaxiality between the rotor of the rotating electrical machine and the stator, and to perform the assembly work of the rotating device with high efficiency. [Embodiment] Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, the overall configuration of a rotating device which is one embodiment of the present invention will be described with reference to Figs. 1 and 2 . Fig. 1 is a longitudinal sectional view showing an overall configuration of a rotary device according to an embodiment of the present invention. Fig. 2 is a side view showing the overall configuration of a rotating device according to an embodiment of the present invention as seen from the side of the coding unit. As shown in Fig. 1, the rotating device 1 is integrally provided with a motor 100 as a rotating electrical machine and a speed reducer 200. The motor 100 has a motor electromagnetic portion 110 and an encoding portion 120. A speed reducer 200 is disposed between the motor electromagnetic portion 110 and the encoder portion 120. The motor electromagnetic unit 110 includes a rotor 111 and a stator 113. The rotor 111 is fixed coaxially with the rotating shaft 101. The stator 113 is fixed to the motor bracket 201238706 112 in such a manner as to face the outer periphery of the rotor 111 in the radial direction. The rotating shaft 101 and the input shaft 211 of the speed reducer 200 are integrally formed as one shaft. The rotor 111 has a yoke 114 and a magnet 115. The rotor 111 is inserted from the opposite side of the speed reducer 200 of the shaft 1 (1 (the opposite side of the load. The right side of Fig. 1 is inserted and fixed to the periphery of the rotating shaft 101. The stator 113 has a laminated core body 1131 and a bobbin 1132. Line 1 1 3 3, wiring substrate 1 1 3 5 for winding wire 1 1 3 3, and input 1136. The bobbin 1132 is inserted into the laminated core body 1131. The winding 1133 is wound around the bobbin 1132. The input terminal 1136 is connected to the wiring 1 1 3 5. The bobbin 1 1 3 2 is made of an insulating material such as resin. The tube 1 132 electrically insulates the laminated core body 1 131 from the winding wire 1 133. The iron core 1 1 3 1. Winding pipe 1 1 3 2, winding wire 1 1 3 3, wiring substrate and input terminal 1136 are molded by resin 1134. The retarder 200 of the sub-113 is provided with a bracket 116 on the opposite side. A cover 102 is provided at a position opposite to the speed reducer 200 of the 116. The encoder 120 is disposed on the opposite side of the motor 110 with the speed reducer 200 interposed therebetween. The encoder 120 has an encoder 121 and a code cover 122. The encoder 121 is, for example, an optical encoder type or a magnetic code encoder cover 122 covering the encoder 121. The encoder 121 detects the rotation 101 The rotation angle, etc. Hereinafter, the speed reducer 200 will be described. The speed reducer 200 is a hobbing gear reducer. The speed reducer 200 has an output 211, an output shaft 221, and a casing 201. The input shaft 211 is provided with a type. The cam 212 is provided on the periphery of the output shaft 221 with a sequential rotating side of the hobbing forming. The winding in-end assembly line substrate is wound on the wire 1135 in a fixed bracket magnetic cover. The axis of the shaft is the hobbing type -8- 201238706 The cam follower 222 of the wheel 212 is engaged. Inside the casing 201, the input shaft 211 and the output shaft 221 are disposed such that the axial directions of the respective shafts are substantially perpendicular and twisted. The input shaft 211 is supported to be freely rotatable relative to the housing 201 by bearings 213 disposed on both axial sides. A hobbing cam 212 is integrally provided on the input shaft 211. A spiral tapered rib 214 is formed on the hobbing cam 212. The tapered rib 214 produces an axial displacement element in accordance with its angle of rotation. Further, as described above, the input shaft 211 is integrally formed with the rotary shaft 101 of the motor 100 as one shaft. The output shaft 221 is a hollow shaft. The output shaft 221 is supported by a bearing (not shown) disposed on both sides in the axial direction so as to be rotatable with respect to the casing 201. On the outer peripheral surface of the output shaft 221, a plurality of cam followers 222 are radially provided at predetermined intervals in the circumferential direction. The adjacent two cam followers 222 of the cam followers 222 are preloaded and abutted against the both sides of the tapered ribs 214 in sequence with the rotation of the hobbing cams 212. Thereby, the rotation of the input shaft 211 is decelerated and transmitted to the output shaft 22. As shown in Fig. 2, the housing 201 can be aligned in the direction orthogonal to the axial direction of the input shaft 211 (i.e., the axial direction of the output shaft 221). 2 in the left and right direction). The housing 201 has two housing portions, a first housing portion 201u and a second housing portion 201d. The first case portion 201u and the second case portion 201d are coupled by a bolt 207 (see Fig. 1). Further, the casing 201 has a through hole 2〇2 through which the input shaft 211 is inserted. A bearing 213 is provided in the through hole 202a on the side of the coding portion 120 in the through hole 202. An oil seal 2〇3 and an oil seal seat 204 are provided on the shaft end side (the left side in Fig. 1) of the bearings 213 -9 - 201238706. The oil seal seat 204 supports the oil seal 203 and applies a preload to the bearing 213. The more axial end of the through hole 202a is open to the surface of the housing 201. The encoder cover 122 is fixed at a predetermined position of the opening 206. A bearing support member 140 is provided in the through hole 202b on the side of the motor electromagnetic portion 110 in the through hole 202. The bearing support member 140 supports the bearing 213 and applies a certain preload to the bearing 213. Further, in the case where the bearing 213 is a bearing (e.g., a cylindrical roller bearing or the like) that does not require a preload, the bearing support member 140 supports the bearing 213 in a state where no preload is applied. On the axial end side (right side in Fig. 1) of the through hole 202b, the aperture is enlarged to open to the surface of the casing 201. The motor electromagnetic portion 1 10 is positioned and fixed at a predetermined position of the opening 205 via the bearing support member 140. Hereinafter, the bearing support member 140 will be described using FIG. Fig. 3A is a partial enlarged view showing the vicinity of the bearing support member 140 in a longitudinal sectional view of the rotary device 1 shown in Fig. 1 . Fig. 3B is a cross-sectional view corresponding to the cross section of Fig. 3A. As shown in Figs. 3A and 3B, the bearing support member 140 is an annular member having a through hole 141 through which the input shaft 211 is inserted. The bearing support member 140 has a support portion 142 and a flange portion 143. The outer diameter of the support portion I42 is smaller than the inner diameter of the through hole 202b on the side of the motor electromagnetic portion 11 of the casing 2''. Flange! The outer diameter of ο is larger than the inner diameter of the through hole 2〇2b. In a state where the bearing support member 14 is fixed to the through hole 2〇2b of the casing 2〇1, the support portion 142 is inserted into the inside of the through hole 2〇2b -10-201238706. Further, the flange portion 143 is disposed in the above-described opening 205 in the external example of the through hole 202b. At this time, since the outer diameter of the support portion is smaller than the inner diameter of the through hole 202b, a gap S is formed between the support portion 142 and the inner circumference of the through hole 202b. The side of the speed reducer 200 (the left side in Fig. 3A) of the through hole 141 is opened to the surface of the left side of the speed reducer 200 side of the bearing support member 140 in an enlarged manner. This opening 1 44 functions as a fitting portion for the bearing 2 1 3 . The bearing 213 is fitted into the opening 144, and the support portion 142 supports the bearing 213. Further, between the through hole openings 144, the step portion 145 is formed due to the difference in the aperture. This portion 145 applies a certain preload to the bearing 213. On the opposite side of the speed reducer 200 of the through hole 141 (the oil seal 203 is provided in Fig. 3A. The oil seal 203 is supported by the oil seal seat portion 146 in the radial center side of the circumferentially disposed portion 143. A plurality of portions in the circumferential direction of the portion 143 (in this example, eight bolt holes 147 are formed. The fixed bearing support member 140 208 is inserted into the bolt hole 147. The hole diameter 208 of the bolt hole 147 is large. 147, the gap around the bolt 208. The bolt 208 is inserted into the bolt hole formed in the flange portion 143 and fastened to the casing 201. Thereby, the bearing support member 140 is inserted into the through hole 202b of the solid 201. The flange portion 143 has a convex portion (socket portion) formed on the radially outer side. The convex portion 148 is concentric with the oil seal seat portion 146. Further, the joint portion as a sleeve V port is not limited to the convex portion shape. The outer periphery of the 142 is disposed at the shell portion 148 in a bolt-to-bolt forming portion 147 with a hole diameter (the fitting of Fig. 3A, 141 and the right side of the step) at the flange portion. Shape, also -11 - 201238706 can be a recess shape. The convex portion 148 is formed to protrude toward the opposite side (the right side in Fig. 3A) of the speed reducer 200. The inner peripheral surface of the convex portion 148 is engaged with the outer peripheral surface of the resin 1134 of the stator 113 of the motor electromagnetic portion 110, whereby the convex portion 148 and the resin 1134 are sleeved. Thereby, the stator 113 is disposed on the bearing support member 140. At this time, the end portion of the motor holder 112 abuts against the convex portion 148, and functions as an abutting surface at the time of socketing. By this socket, the bearing support member 140 and the stator 113 are positioned to be coaxial with each other. Further, after the convex portion 148 and the resin 1134 are sleeved, they are fixed by bonding. The effect obtained by the rotating device 1 described above will be described. As described above, the motor 100 includes the bearing support member 140. The bearing support member 140 supports the bearing 213 and applies a predetermined preload to the bearing 213, and the bearing 213 supports the input shaft 211 of the speed reducer 200 to be freely rotatable. Moreover, the stator 113 is disposed on the bearing support member 140. At this time, the input shaft 211 of the speed reducer 200 and the rotating shaft 101 of the motor 1A are configured to be coaxial. As a result, the rotor 111 and the stator 113 are substantially positioned by a member, that is, the bearing supporting member 140. Thereby, the coaxiality of the rotor 111 and the stator 113 in the rotary electric machine 100 can be improved. Further, the bearing support member 14A functions as a mounting member of the stator 113, a support member of the bearing 213, and a preload member by one member. As a result, the number of parts can be reduced, and the assembly work of the rotary device 1 can be performed with high efficiency. Further, in the present embodiment, in particular, the casing 201 of the speed reducer 200 can be divided in a direction orthogonal to the axial direction of the input shaft 211. In the case of this configuration, as shown in Fig. 3B as an example, a dimensional error may occur between the two housings -12 - 201238706 portions 201u, 201d. In this case, a step 209 may be generated in the casing portion in the through hole 202b on the portion 1 10 side. In this case, for example, in the case of the general structure of the bearing hole 202b, the outer diameter of the through hole 202b substantially coincides. As a result, it is difficult to directly insert the bearing into the 2 2 2b. Therefore, it is necessary to eliminate the stepping operation of the through hole 202b, and the assembly work of the rotating device takes time. In the rotating device 1 of the present embodiment, the bearing is supported by the bearing 213 in the state of the housing 201. At this time, the inner diameter of the hole 202b of the support portion 142 of the bearing support member 140 is small. Thereby, a gap S is formed between the inner circumferences of the outer portions 102b of the support portion 142. Thus, even in the case where the step 209 is generated in the hole 202b, as shown in Fig. 3B, the gap 209 is allowed to be utilized by the gap S, and the bearing 21 3 is provided in the 202b. As a result, it is not necessary to eliminate the step 209 or the like, and the bearing 213 can be easily installed in the casing 201» to efficiently perform the assembly work of the rotating device 1. Further, the size between the outer diameter of the through hole 142 and the inner diameter of the through hole 202b is large, so that the bearing 213 can be reliably provided even in the case of a step difference generated in the through hole 202b. Further, the diameter of the flange portion 143 147 of the bearing support member 140 is formed larger than the bolt 208. Further, a gap is formed around the bolt 208 in each case. The outer diameter ratio of the through-cut member 1 104t is inserted through the inner diameter and the bearing into the through-hole difference 209 by the screw gap and the outer periphery of the support portion 142 and the through-hole in the electromagnetic interaction of the motor. In the case of the through-hole and the through-hole, as described above, the cutting operation can be placed in the through-hole. Therefore, in the case where the difference in the support portion is more than 209, the bolt hole 147 is inserted into the hole 202b of the hole 147. -13- 201238706 The gap S between the circumferences can fix the bearing support member 134 at an arbitrary position. That is, the bearing support member 140 is fixed relative to the casing 201 while shifting the gap amount in the plane direction perpendicular to the axial direction of the input shaft 211. Therefore, even if the center position of the through hole 202b is displaced from the axis position of the input shaft 21 1 due to the dimensional error of the case portions 201u and 201d, the bearing 213 can be supported and fixed coaxially with the input shaft 211. position. Further, in the present embodiment, in particular, the bearing support member 140 has a support portion 142 and a flange portion 143. The support portion 142 has an opening 144 into which the bearing 21 1 is fitted. The outer diameter of the support portion 142 is smaller than the inner diameter of the through hole 202b. Thereby, when the bearing support member 140 is fixed to the casing 201, the gap S can be reliably formed between the outer periphery of the support portion 142 and the inner circumference of the through hole 202b, and the bearing 2 1 1 can be disposed throughout. The inside of the hole 2 0 2b. On the other hand, the outer diameter of the flange portion 143 is larger than the inner diameter of the through hole 202b. Thereby, the bearing support member 140 is reliably fixed to the casing 201 by bolt fastening by the flange portion 143 located outside the through hole 202b. Further, in the present embodiment, in particular, the flange portion 143 of the bearing support member 140 has the convex portion 148. The convex portion 148 is sleeved with the resin 1134 of the stator 113 of the motor 100. Thereby, in the assembly work of the rotary device 1, when the motor 1A is mounted on the speed reducer 200, the convex portion 148 and the stator 113 are sleeved. As a result, the stator 113 can be positioned at a predetermined position with respect to the bearing support member 140, and can be easily mounted. Therefore, the positioning work of the motor 1 不 is not required, and the workability of the assembly work can be improved. Further, in the assembling work, the input shaft 211 is inserted into the bearing 213 supported by the bearing member 140, and the bearing supporting member is attached to the input shaft 211. Then, the bearing support member 140 148 is sleeved with the stator 113 of the motor 100, thereby bearing the stator 113 on the bearing support member 140. At this time, when the bearing support member is first mounted on the input shaft 211, the bearing support member 140 is coaxial with the input shaft. Further, when the bearing support member 140 148 is engaged with the stator 113 of the motor 100, the bearing support members stator 113 are coaxial with each other. Further, since the shaft 211 of the speed reducer 200 is configured integrally with the rotating shaft 101 of the motor 1A, as a result, when the motor 100 is mounted on the speed reducer 200, the rotor stators 113 are coaxially connected to each other via the bearing supporting members 140. As a result, the assembly accuracy of the rotating device 1 can be improved. Further, the stator 113 of the motor 1 is directly sleeved on the bearing member 140. Thereby, the bracket is not required as compared with, for example, a structure in which the bracket of the motor 1 is mounted on the carrier member 140. Therefore, the size of the motor 1 〇〇 (i.e., the rotating device 1) can be reduced. The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the spirit and scope of the invention. Hereinafter, a modification will be described. (1) The bearing support member is provided on the side of the coding portion. In the above embodiment, only the motor electromagnetic portion 110 is supported by the bearing support member 140. However, the coding unit 120 side is not limited. The bearing 213 may also be mounted coaxially with the projection of the 140A of the bearing support 140 of the other bearing support 140. 1 1 1 and positioning. The support bearing supports the main axis of the shaft as shown here. Supporting member -15 - 201238706 Supporting Fig. 4 is a longitudinal cross-sectional view showing the entire configuration of a rotating device according to the present modification. In FIG. 4, the same portions as those in the drawings are denoted by the same reference numerals, and the description thereof will be omitted as appropriate. As shown in FIG. 4, in the reduction gear 200A of the rotating device 1A, the bearing support member 150, the bearing support member 150, and the bearing support member 140, which support the bearing 213, are also fixed in the through hole 202a on the side of the coding portion 12A. Similarly, an annular member having a through hole 151 for inserting the input shaft 211 in the center is provided. The bearing support member 150 has a support portion 152 and a flange portion 153. The outer diameter of the support portion 152 is smaller than the inner diameter of the through hole 202a on the coding portion 120 side of the casing 201. The outer diameter of the flange portion 153 is larger than the inner diameter of the through hole 202a. The support portion 152 is inserted into the inside of the through hole 202a in a state where the bearing support member 150 is fixed in the through hole 202a of the casing 201. Further, the flange portion 153 is disposed outside the through hole 202a, and is disposed in the above-described opening 060 in this example. At this time, since the outer diameter of the support portion 152 is smaller than the inner diameter of the through hole 202a, a gap S is formed between the outer periphery of the support portion 152 and the inner circumference of the through hole 202a. The side of the speed reducer 200A (the right side in Fig. 4) of the through hole 151 opens to the surface of the reduction bearing 20A side of the bearing support member 150 in an enlarged aperture manner. This opening 154 functions as a fitting portion into which the bearing 213 is fitted. A step portion 155 is formed between the through hole 151 and the opening 1 54 due to the difference in aperture. This step portion 155 applies a certain preload to the bearing 213. An oil seal 203 is provided on the opposite side (left side in Fig. 4) of the speed reducer 200A of the through hole 151. In the flange portion 153, a bolt hole 157 is formed in a plurality of circumferential portions in the flange portion 153, and a bolt 208 for fixing the bearing support member 150 is inserted into the bolt hole 157. in. The hole diameter of the bolt hole 157 is formed larger than the bolt 208. In each bolt hole 157, a gap is formed around the bolt 208. The bolt 208 is inserted into the bolt hole 157 formed in the flange portion 153 to be fastened to the casing 201. Thereby, the bearing support member 150 is fixed in the through hole 202a of the housing 201. An encoder cover 122 is provided on the opposite side of the speed reducer 200A of the bearing support member 150. Further, the configuration of the rotating device 1A other than the above is the same as that of the rotating device 1 of the above-described embodiment. According to the present modification, the same effects as those of the above-described embodiment are obtained. Further, even when a step is generated in the through hole 202a on the side of the encoding portion 120, the step can be allowed by the gap S, and the bearing 2 1 3 can be disposed in the through hole 202a. (2) When the bearing support member is fixed by the screw portion formed on the outer periphery, in the above embodiment, the bolt 20 8 is inserted into the bolt hole 147 formed in the flange portion 143 of the bearing support member 140, and the flange portion 143 is fastened to the housing 201. Thereby, the bearing support member 14A is fixed to the casing 201, but is not limited thereto. For example, the screw portion 1431 formed on the outer periphery of the flange portion 143B of the bearing support member 140B may be screwed with the thread portion formed on the inner circumference of the opening 205 of the housing 201B as in the configuration shown in FIG. 5 to be described later. Hehe. In this case, the bearing support member 140B is fixed to the casing 201B by the screwing. Further, this modification can also be applied to the case where the opening 205 of the casing 201B does not cause a step difference (for example, the case where the casing 201B is not a divided structure). Alternatively, the two casing portions 2 0 1 u, 2 0 1 d size error is small, etc.). Fig. 5 is a longitudinal sectional view showing the entire configuration of a rotating device according to the present modification. In FIG. 5, the same portions as those in FIG. 1 and the like are denoted by the same reference numerals, and their description will be appropriately omitted. As shown in FIG. 5, in the speed reducer 200B of the rotating device 1B, the bearing supporting member 140B supporting the bearing 213 is disposed on the side of the motor magnetic portion 1 1 in the through hole 2〇2 of the housing 201B (in FIG. 5). In the through hole 202b of the right side). The bearing support member 140B has a support portion 142B and a flange portion 143B. The support portion 142B has substantially the same structure as the above-described support portion 142. The flange portion 143B is different from the flange portion 143, and the bolt hole 147 described above is not formed in the circumferential direction of the flange portion 143B. A threaded portion 1431 is formed on the outer periphery of the flange portion 143B. The screw portion 1431 is screwed into a screw portion (not shown) formed in the inner circumference of the opening 205 of the casing 201B to be screwed. Thereby, the bearing support member 140B is fixed to the housing 201B. Further, a hole 143 2 for jig attachment is formed on the side of the motor portion 1 〇 of the flange portion 143B. When the preload applied to the bearing 213 is adjusted, a predetermined jig is mounted in the hole 1432 from the side of the motor electromagnetic portion 110. Then, the bearing support member 14b is rotated by the jig to adjust the amount of screwing of the screw portion 1431. Thereby, the bearing support member 140B is press-fitted toward the encoder portion 120 side (left side in FIG. 5), or the bearing support member 140B is pulled out toward the motor electromagnetic portion 11 side, thereby adjusting the pre--18-201238706 load. . Further, the configuration of the rotating device 1B other than the above is the same as that of the rotating device 1 of the above-described embodiment. According to the present modification described above, the same effects as the above-described embodiment can be obtained. Further, in particular, according to the present modification, the following effects can be obtained. That is, the threaded portion 1431 provided at the outer periphery of the bearing support member 140B is screwed with the threaded portion formed on the inner circumference of the opening 205 of the casing 201B. Thus, the rotation of the bearing support member 140B to adjust the screwing amount of the screw portion 143 1 enables the position of the hobbing cam 212 of the input shaft 211 to slide in the axial direction. As a result, fine adjustment of the contact state between the tapered rib 2 I 4 of the hobbing cam 2 1 2 and the cam follower 222 of the output shaft 221 can be performed. As a result, positioning with higher precision can be performed. Further, the stator 113 is fixed to the bearing supporting member 140B by a socket. Thereby, even if the bearing support member 140B is rotated and the position of the input shaft 21 1 is moved in the axial direction, the stator 1 13 is similarly moved in the axial direction. As a result, the relative position of the rotor 111 and the stator 113 can be made constant. Further, in the present modification, a structure in which only one side bearing 213 is supported by the bearing support member is employed. However, as in the modification of the above (1), the bearing 213 on the side of the encoder portion 12 may be supported by the bearing supporting member. In this case, a configuration may be adopted in which the threaded portion formed on the outer periphery of the flange portion of the bearing support member is screwed to the screw portion formed on the inner circumference of the casing, thereby fixing the bearing support member to the shell. The through hole of the body. (3) other
S -19- 201238706 以上，對減速器的殼體分割成兩部分的結構作爲一例 進行了說明，但不限於此，殼體不需要採用分割結構，也 可以採用一體型殼體。該情況下，也能夠確保轉子與定子 的同軸度且高效率進行組裝作業。另外，在採用分割結構 的情況下，不限於分割成兩部分的結構，也可以採用分割 成三部分以上的結構。 另外，在圖1〜圖5中，電機電磁部110和編碼部 1 20分開配置在減速器200、200A、200B的兩側。但不限 於此，例如也可以將電機電磁部110和編碼部120配置在 減速器200、200A、200B的一側。另外，該情況下，也 可以將制動部配置在減速器200、200A、200B的另一 側。而且，例如也可以將電機電磁部1 1 〇、制動部及編碼 部120全部都集中配置在減速器200、200A、200B的一 側。在該等變形例中，也能夠得到與前述的實施形態同樣 的效果。 另外，以上以將包括磁軛1 1 4及磁鐵1 1 5的勵磁部作 爲轉子且將包括繞線管1132等的電樞作爲定子的電機 1 00爲例進行了說明，但不限於此。相反地，也可以採用 將包括磁軛及磁鐵的勵磁部設置在電機支架而作爲定子且 將包括繞線管等的電樞設置在旋轉軸上而作爲轉子的電 機。該情況下，也能夠得到與上述實施形態同樣的效果。 另外，除了以上已經說明的以外，還可以適當組合上 述實施形態和各變形例的方式。 其他，雖然沒有--例示，但本發明在不脫離其主旨 -20- 201238706 的範圍內能夠追加各種變更來實施。 【圖式簡單說明】 圖1是表示作爲本發明的一個實施形態的旋轉裝置的 整體結構的縱剖視圖。 圖2是表示作爲本發明的一個實施形態的旋轉裝置的 整體結構的、從編碼部側觀察的側視圖。 圖3A是抽出圖1所示的旋轉裝置的縱剖視圖中的軸 承支承構件附近表示的局部放大圖。 圖3 B是相當於圖3 A中的皿B - ΙΠ B剖面的剖視圖。 圖4是表示還將軸承支承構件設置在編碼部側的變形 例中的旋轉裝置的整體結構的縱剖視圖。 圖5是表示通過形成在外圍的螺紋部固定軸承支承構 件的變形例中的旋轉裝置的整體結構的縱剖視圖。 【主要元件符號說明】 1.:旋轉裝置 1〇〇 :電機 101 :旋轉軸 102 :蓋罩 :電機電磁部 1 1 1 :轉子 112 :電機支架 1 13 :定子 -21 - 201238706 1 1 4 :磁範 115 :磁鐵 1 16 :托架 1 2 0 :編碼部 1 2 1 :編碼器 122 :編碼器罩蓋 140:軸承支承構件 200 :減速器 201 :殼體 202 :貫穿孔 202a :貫穿孔 2〇2b :貫穿孔 203 :油封 204 :油封座 205 :開口 206 :開口 207 :螺栓 21 1 :輸入軸 212 :滾齒式凸輪 2 1 3 :軸承 2 1 4 :錐形肋 221 :輸出軸 222 :凸輪從動件 1 131 :層疊鐵芯體 -22- 201238706 1 1 3 2 :繞線管 1 1 3 3 :繞組線 1 1 3 4 :樹脂 1 1 3 5 :接線基板 1 1 3 6 :輸入端子 -23-S -19-201238706 Although the structure in which the housing of the speed reducer is divided into two parts has been described as an example, the present invention is not limited thereto, and the housing does not need to have a divided structure, and an integral housing may be employed. In this case as well, it is possible to ensure the coaxiality of the rotor and the stator and to perform assembly work with high efficiency. Further, in the case where the divided structure is employed, it is not limited to a structure divided into two parts, and a structure divided into three or more parts may be employed. Further, in Figs. 1 to 5, the motor electromagnetic portion 110 and the encoder portion 120 are disposed on both sides of the speed reducers 200, 200A, and 200B. However, the present invention is not limited thereto. For example, the motor electromagnetic portion 110 and the encoder portion 120 may be disposed on one side of the speed reducers 200, 200A, and 200B. Further, in this case, the braking portion may be disposed on the other side of the speed reducers 200, 200A, and 200B. Further, for example, the motor electromagnetic portion 1 1 〇, the braking portion, and the encoding portion 120 may be collectively disposed on one side of the speed reducers 200, 200A, and 200B. Also in these modifications, the same effects as those of the above-described embodiment can be obtained. In the above description, the motor 100 including the yoke 1 14 and the magnet 1 15 as the rotor and the armature including the bobbin 1132 and the like as the stator are described as an example, but the invention is not limited thereto. Conversely, a motor including a yoke and a magnet may be provided as a stator, and an armature including a bobbin or the like may be provided as a rotor on the rotating shaft. Also in this case, the same effects as those of the above embodiment can be obtained. Further, in addition to the above, the embodiments and the modifications of the above embodiments may be combined as appropriate. Others, although not exemplified, the present invention can be implemented by adding various modifications without departing from the scope of the invention -20-201238706. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a longitudinal sectional view showing an overall configuration of a rotary device according to an embodiment of the present invention. Fig. 2 is a side view showing the entire structure of a rotating device according to an embodiment of the present invention as seen from the side of the coding unit. Fig. 3A is a partial enlarged view showing the vicinity of a bearing support member in a longitudinal sectional view of the rotary device shown in Fig. 1; Figure 3B is a cross-sectional view corresponding to the cross section of the dish B - ΙΠ B in Figure 3A. Fig. 4 is a vertical cross-sectional view showing the entire configuration of a rotating device in a modified example in which the bearing supporting member is provided on the side of the coding portion. Fig. 5 is a vertical cross-sectional view showing the entire configuration of a rotating device in a modified example in which a bearing support member is fixed by a screw portion formed on the outer periphery. [Description of main component symbols] 1.: Rotating device 1〇〇: Motor 101: Rotary shaft 102: Cover: Motor electromagnetic part 1 1 1 : Rotor 112: Motor bracket 1 13 : Stator 21 - 201238706 1 1 4 : Magnetic Fan 115: magnet 1 16 : bracket 1 2 0 : coding unit 1 2 1 : encoder 122 : encoder cover 140 : bearing support member 200 : speed reducer 201 : housing 202 : through hole 202 a : through hole 2 〇 2b: through hole 203: oil seal 204: oil seal seat 205: opening 206: opening 207: bolt 21 1 : input shaft 212: hobbing cam 2 1 3 : bearing 2 1 4 : tapered rib 221 : output shaft 222 : cam Follower 1 131 : laminated core body-22- 201238706 1 1 3 2 : bobbin 1 1 3 3 : winding wire 1 1 3 4 : resin 1 1 3 5 : wiring board 1 1 3 6 : input terminal - twenty three-