200924939 九、發明說明： 【發明所屬之技術領域】 本發明涉及-種工程機械上所使用的電動頂推裝置，例如注塑 機、千斤頂所使用的頂推裝置。 【先前技術】 現有注誠_絲置多為祕鎖模機構，採職祕缸推動機 械機構，完成模具的開合。 ο 機竹機;雜置麵在注賴上如第—騎示，賴板與合模 =機^連杆域’在後模板〗，上設置螺母2,，螺桿3,與該螺母2, -。，螺# 3前端連接合模機械機構 構5，*龍β,心 觸4螺的後端通過皮帶輪機 :I:螺桿在旋轉過程中’因螺母的推動，產生前進或 Ζ:機械機構動作。這種電動頂推裝置的缺點是： 3的傳動部分的結構比較 疋㈣件 要開長鍵辦圖由土 動中的螺桿傳遞扭矩，這就 1長鍵槽（圖中未標示），所引起 ο 構5,傳動y 了 τ @耗很大，其次，皮帶輪機 次，傳動機構應Γ避免有时現象，不利於頂推進程的精確控制；再 另^龐大複雜’不_，多級傳動反而引起能源效率降低。 種電動頂推裝置的結構形式如第一 _ 機械機構4，_#健^·賴板1，與合模 _ ]，ρ 機械機構4,上安裝螺母2,，m会 、上的螺桿3,與該螺母2,配合，蟫桿%叹置在後 6,帶動。當蟬桿屮鈹私眭碑 ^干3通過皮讀機構5,由電機 田磲才干3轉動時螺母2,在螺椐q， 4,開模或合模。其缺點 ;;進退，帶動合模機械機構 將螺桿3,保持相· = &不動’影_模。為了合模需要 备開模時機械機構後退’容易與螺桿3,前 5 200924939 端抵觸’開模行程受限制，不能做大件製品。此外，傳動機構複雜、 能耗大、獅精顧差、壽命短的雜也同樣存在。 【發明内容】 本發明要解決現有電動賴裝置機構複雜、能魏、精確度差的 缺點，提供-觀構m浙精雜制和能效高的推裝置。 本發明所述的電動頂推裝置包括基座，螺桿穿設在基座上，還包 括相互嚙合的螺桿和螺母’螺桿前端是頂推端，其特徵在於：基座上 〇連接一外轉子永磁式伺服電機，所述的螺母固定在外轉子永磁式伺服 電機的轉子上。 進一步’所述的外轉子永磁式伺服電機的轉子通過圓錐滾子轴承 設置在基座上，外轉子永磁式伺服電機的轉子與所述的螺母、螺桿同 軸佈置，外轉子永磁式伺服電機的定子連接殼體，殼體連接所述的基 座0 當外轉子永磁式伺服電機通電旋轉時’螺母旋轉，驅動螺桿前進 〇或後退，完成頂推動作。 本發明結構緊湊、簡便，螺母直接與電機連接，避免了傳動級多 所引起的能源損耗，提高能效比’也有利於頂推進程的精確控制。 本發明的優點是：結構緊湊、簡便，能效比高’合模行程控制精 確。 【實施方式】 實施例一 參照第三圖 200924939 本實施例是本發明應用於注賴上的電動賴裝置時的例子。 本發明所述的電_推裝魏括基座，螺桿傳設在基座上，還包 括相互唾合的螺桿和螺母’螺桿前端是頂推端，基座上連接一外轉子 永磁式伺服電機，所述_侧定在㈣子永磁式舰賴哺子上。 所述的外轉子永磁式恤電機哺子通關錐滾子軸承設置在基 座上，外轉子永磁式舰電機的轉子與所述的螺母、螺桿同轴佈置， 外轉子永磁式伺服電機的定子連接殼體，殼體連接所述的基座。 〇 本實施例巾本發明制在電動鎖模|置上，後模板1〇是基座。 遠電動鎖核裝置包括合模機械機構’所述的合模機械機構包括後模板 10、用於安裝動模17的移動模板15和安裝定模的前模板16，所 述的移動模板15和前模板16可相對合攏和分開。螺桿8設置在所述 的後模板10上’螺桿8前部連接所述的合模機械機構的十字車壁Μ。 後模板10上裝有外轉子永磁式伺服電機，所述的外轉子永磁式 祠服電機的轉子3連接與所述的螺桿8配合的螺母9。螺桿8採用滾 ❹珠螺桿，螺母9採用滾珠螺母。 所述的外轉子永磁式舰電機_子3通雜子轴承2設置 在後模板10上，外轉子永磁式飼服電機的轉子3與所述的螺母9、螺 桿8同軸佈置，外轉子永磁式伺服電機的定子6連接外殼7，外殼7 連接所述的後模板10。 轉子3上裝有磁鐵4，石夕鋼片材質的定子6上繞有線圈5。用於安 裝圓錐滾子軸承2的軸承座1固定在後模板ι〇上。 後模板10、移動模板15和前模板16都套在水準拉杆上。 200924939 後模板心下對臟接 字車壁14雨被—* 特12的另一端對稱地鉸接在十 上下端。 A連杆13的前端對稱地鉸接在移動模板15 〇 〇 轉子3與滚珠螺桿螺母9狀在—起，在鎖模電機通上正電時， =轴端看轉子作順時針方向轉動，因螺桿螺母9只作轉動 8作平動’這時螺桿8將絲端伸出。螺桿8是與十字車壁14做平動， 此時十字輕Η通·職杆雜帶输龍板15沿雜杆μ作平 動而產生錄難17、18 _作；#在麵賴耻貞電_子做逆 時針方向轉動（從電機軸端看）。螺桿8將從電機軸端縮入，而螺桿帶 動^子車壁14作平動’此時十字車壁通過曲肘連杆機構帶動模㈣ 沿著拉杆19做平動產生打開模具17、18的動作。 本發明螺桿驅動機構緊湊、簡便，螺母直接與外轉子永磁式舰 電機連接’避免了傳動級多·起的能源損耗，提高能效比，也有利 於螺杆進程的精確控制。 實施例二 參照第四圖： 本實施例與實_-的區別是所細的領域不同，本實施例是本 發明應用在千斤頂上的例子。 本發明所述的電動頂推裝置包括基座，螺桿傳設在基座上，還包 括相互嚙合的螺桿和螺母，螺桿前端是頂推端，基座上連接一外轉子 200924939 永磁式聽賴’所賴螺侧定在_子永磁式鑛輯哺子上。 所述的外轉子永磁式舰電機的轉子通過齡滾子麵設置在基 座上’外轉子永磁式舰電機的轉子與所述的螺母、鄉_佈置二 外轉子永磁式飼服電機的定子連接殼體，殼體連接所述祕座。 將本發明應用在千斤頂上，千斤頂底座2〇和千斤頂上蓋^是基 座’外轉子永磁式伺服電機的殼體裝在千斤頂底座2〇上，轴承座1 和圓錐滾子軸承2裝在千斤頂上蓋21上。 ❹ 當螺母9在外轉子永磁式鑛電機的定子帶動下旋轉時，螺桿向 上做頂升。當電機反向旋轉時，螺桿向下收攏。 【圖式簡單說明】 第一圖係現有電動頂推裝置的結構圖。 第二圖係另—現有電動頂推裝置的結構圖。 第三圖係本發明顧在注塑機上的結構示意圖。 第四圖係本發明翻在千斤頂上的結構示意圖。 〇【主要元件符號說明】 軸承座1 小連杆12 移動模板15 模具18 千斤頂底座20 磁鐵4 外殼7 後模板10 大連杆13 前模板16 拉杆19 千斤頂上蓋21 線圈5 螺桿8 肘曲手11 十字車壁14 模具17 軸承2 轉子3 定子6 螺母9 200924939 後模板Γ 合模機械機構4’ 螺母2’ 螺桿3’ 皮帶輪機構5’ 電機6’200924939 IX. Description of the Invention: [Technical Field] The present invention relates to an electric thrusting device used in a construction machine, such as an injection molding machine and a pushing device used in a jack. [Prior Art] The existing injections are mostly secret locking mechanisms, and the mining cylinders are used to push the mechanical mechanism to complete the opening and closing of the mold. ο Machine bamboo machine; miscellaneous surface on the note as the first - riding, the board and the mold = machine ^ link field 'in the back template〗, set the nut 2, screw 3, and the nut 2, - . , screw # 3 front end of the clamping mechanism 5, * dragon β, the end of the heart contact 4 screw through the belt turbine: I: screw in the rotation process, due to the nut push, the forward or the Ζ: mechanical mechanism action. The disadvantages of this electric pushing device are: 3 The structure of the transmission part is relatively 疋 (4) The opening of the key is to be transmitted by the screw in the earth moving, which is caused by a long keyway (not shown). Structure 5, transmission y τ @ consumes a lot, secondly, the belt turbine, the transmission mechanism should avoid sometimes the phenomenon, is not conducive to the precise control of the push process; and then another large and complex 'no _, multi-stage transmission instead of energy Reduced efficiency. The structure of the electric pushing device is as follows: first mechanical mechanism 4, _#健^·板1, and clamping _], ρ mechanical mechanism 4, upper mounting nut 2, m meeting, screw 3 on, Cooperate with the nut 2, and the mast % is placed at the back 6 to drive. When the mast 屮铍 屮铍 ^ ^ dry 3 through the skin reading mechanism 5, by the motor Tian Hao talent 3 when turning the nut 2, in the screw q, 4, open mold or mold. Its shortcomings;; advance and retreat, drive the clamping mechanism. The screw 3, keep the phase · = & In order to close the mold, the mechanical mechanism is retracted when the mold is opened. It is easy to be in contact with the screw 3, the front 5 200924939 end. The mold opening stroke is limited, and it is not possible to make a large product. In addition, the transmission mechanism is complex, the energy consumption is large, the lion is poor, and the life is short. SUMMARY OF THE INVENTION The present invention is to solve the shortcomings of the conventional electric traction device, which is complicated, capable, and poor in accuracy, and provides a push device with a good structure and high energy efficiency. The electric pushing device of the present invention comprises a base, the screw is threaded on the base, and further comprises a screw and a nut that mesh with each other. The front end of the screw is a pushing end, and the base is connected to an outer rotor forever. The magnetic servo motor is fixed to the rotor of the outer rotor permanent magnet servo motor. Further, the rotor of the outer rotor permanent magnet servo motor is disposed on the base through a tapered roller bearing, and the rotor of the outer rotor permanent magnet servo motor is coaxially arranged with the nut and the screw, and the outer rotor permanent magnet servo The stator of the motor is connected to the housing, and the housing is connected to the base. When the outer rotor permanent magnet servo motor is energized and rotated, the nut rotates, and the driving screw advances or retreats to complete the pushing action. The invention has the advantages of compact structure and simple structure, and the nut is directly connected with the motor, thereby avoiding energy loss caused by a large number of transmission stages, and improving the energy efficiency ratio is also advantageous for precise control of the jacking process. The advantages of the present invention are: compact and simple structure, and high energy efficiency ratio 'closing stroke control'. [Embodiment] Embodiment 1 Referring to the third diagram 200924939 This embodiment is an example in which the present invention is applied to a power-on device. The electric _ push-fit Wei pedestal of the present invention, the screw is disposed on the pedestal, and further comprises a screw and a nut which are mutually sprinkled. The front end of the screw is a pushing end, and the outer rotor is connected with a permanent magnet servo motor. The _ side is fixed on the (four) sub-permanent permanent ship. The outer rotor permanent magnet type shirt motor feeding and closing cone roller bearing is disposed on the base, and the rotor of the outer rotor permanent magnet type motor is coaxially arranged with the nut and the screw, and the outer rotor permanent magnet servo motor The stator is coupled to the housing, and the housing is coupled to the base. 〇 This embodiment of the invention is made up of an electric mode-locking, and the rear plate 1 is a base. The telescopic mechanical locking mechanism includes a clamping mechanism. The clamping mechanism includes a rear template 10, a moving template 15 for mounting the movable mold 17, and a front template 16 for mounting the fixed mold, the moving template 15 and the front The template 16 can be relatively closed and separated. A screw 8 is disposed on the rear die plate 10. The front end of the screw 8 is connected to the crosscar wall of the mold clamping mechanism. The rear die plate 10 is provided with an outer rotor permanent magnet servo motor, and the rotor 3 of the outer rotor permanent magnet motor is connected to a nut 9 mated with the screw 8. The screw 8 is a ball screw and the nut 9 is a ball nut. The outer rotor permanent magnet type motor _ sub 3-pass hybrid bearing 2 is disposed on the rear die plate 10, and the rotor 3 of the outer rotor permanent magnet feeding motor is coaxially arranged with the nut 9 and the screw 8, and the outer rotor The stator 6 of the permanent magnet servo motor is connected to the outer casing 7, and the outer casing 7 is connected to the rear die plate 10. A magnet 4 is mounted on the rotor 3, and a coil 5 is wound around the stator 6 of the Shishi steel sheet. The bearing housing 1 for mounting the tapered roller bearing 2 is fixed to the rear plate ι. The rear template 10, the moving template 15 and the front template 16 are all placed on the leveling rod. 200924939 After the template, the other side of the dirty contact wall 14 is symmetrically hinged at the top and bottom of the ten. The front end of the A link 13 is symmetrically hinged to the moving die plate 15 . The rotor 3 is in the shape of a ball screw nut 9 . When the clamping motor is positively charged, the rotor shaft rotates clockwise as the shaft ends. The nut 9 is only rotated 8 for translation. At this time, the screw 8 projects the wire end. The screw 8 is leveled with the cross-car wall 14 at this time. At this time, the cross-light Η · 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 The electric _ sub-clock rotates counterclockwise (from the motor shaft end). The screw 8 will be retracted from the shaft end of the motor, and the screw drives the wall 14 of the motor to be translated. At this time, the cross-car wall drives the die through the toggle link mechanism (4), and the translation is performed along the tie rod 19 to open the molds 17, 18. action. The screw drive mechanism of the invention is compact and simple, and the nut is directly connected with the outer rotor permanent magnet type motor. The energy loss of the transmission stage is avoided, the energy efficiency ratio is improved, and the precise control of the screw process is also facilitated. Embodiment 2 Referring to the fourth figure: The difference between this embodiment and the actual one is that the fine field is different. This embodiment is an example in which the present invention is applied to a jack. The electric pushing device of the invention comprises a base, the screw is arranged on the base, and further comprises a screw and a nut which are meshed with each other, the front end of the screw is a pushing end, and the outer rotor is connected to the outer rotor 200924939 'The snail side is set on the _ sub-permanent magnet mine. The rotor of the outer rotor permanent magnet ship motor is disposed on the base through the roller surface of the outer rotor. The rotor of the outer rotor permanent magnet ship motor and the nut, the town _ arrangement two outer rotor permanent magnet feeding motor The stator connects the housing, and the housing connects the secret seat. The invention is applied to a jack, the jack base 2 〇 and the jack top cover ^ is a pedestal 'the outer rotor permanent magnet servo motor housing is mounted on the jack base 2 ,, the bearing seat 1 and the tapered roller bearing 2 are mounted on the jack On the upper cover 21. ❹ When the nut 9 is rotated by the stator of the outer rotor permanent magnet mine motor, the screw is lifted upward. When the motor rotates in the reverse direction, the screw is folded down. [Simple description of the drawings] The first figure is a structural diagram of the existing electric thrusting device. The second figure is another structural diagram of the existing electric thrusting device. The third figure is a schematic view of the structure of the present invention on an injection molding machine. The fourth figure is a schematic view of the structure of the present invention turned over on the jack. 〇【Main component symbol description】 Bearing housing 1 Small connecting rod 12 Moving template 15 Mould 18 Jack base 20 Magnet 4 Housing 7 Rear template 10 Large connecting rod 13 Front template 16 Tie rod 19 Jack top cover 21 Coil 5 Screw 8 Elbow hand 11 Cross Wall 14 Mold 17 Bearing 2 Rotor 3 Stator 6 Nut 9 200924939 Rear formwork Γ Clamping mechanism 4' Nut 2' Screw 3' Pulley mechanism 5' Motor 6'
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