M337653 八、新型說明: 【新型所屬之技術領域】 本新型與線性傳動裝置有關,特別是關於一種應用於滾珠螺 桿組件之滾珠螺帽。 【先前技術】 滾珠螺桿組件是各種機械相财报常見的線性傳動裝置其中 之-’其係顧-螺桿搭配—職予以相螺接,以經由轉動螺桿 而使螺帽沿螺桿之軸向移動,而將馬達輸出在螺桿的軸向傳動力 轉換為使職雜移_力。為了降侧桿與螺帽之間的磨捧 力,以減少螺桿觸_磨耗以及動力損失,便有人將滾珠置於 滾珠螺桿觸巾胃之間,即鄉的職槽抑加大而可容置滾珠, 且螺帽的職_加纽容置料。目為滾珠可觸桿及螺帽形 成相對滾__,所以t螺桿觸敏配時滚珠係制卡制於 螺巾目與螺㈣歡射,而滾珠就作為螺桿與螺帽的連接媒介。 «桿被馬達帶域轉時,滾珠便沿著螺桿的螺紋槽滾動位移, =滾珠之另-側係卡制於螺帽的螺紋槽而帶動螺帽沿螺桿的轴 。移動。此外’因為滾珠與職槽係為線_,使縣力相當小, 而廣幻也應用於較精密的線性傳動機件中。然而,滾珠 3二ΓΓ長度有限,所以必須要在螺帽上設置導引滾珠 回&駄構’使滾珠㈣在—賴的循環路徑中運轉。 田螺巾目長度過長的時候,因容易就會影響到 =所峨賴將滾麵循環雜—分為二,使滾珠的運轉能t 口輪如幻圖」所示,即為-般常見的雙回路型滚珠螺 M337653 桿組件,係包含一螺桿u及一螺帽ι〇,其中螺帽係沿轴 合於螺桿U上。棚Π) _周面觸桿u的外周均開 紋狀之滾賴1G3,兩滾姆⑽仙對合而供滾珠12裝入其中 運轉。因為要在滾珠螺桿組件中設置兩侧環雜,所以螺㈣ 的外周面上必須開設有四個固定槽1〇2,而且螺帽ι〇内部還二 開設二個各自獨立的迴流孔1G1。_滾珠迴流器13 = _固定槽脱上,其中滚珠迴流器丨3内具有導引通道,^; 動溝103 —着滾珠12料至财孔⑽,織·滾珠12 /由 迴流謂導引至滾動溝1G3的另—端,使滾珠 轉於滾動溝103。但是,螺帽1。之固定請及迴^ ==帽1—猶嫩雜,而製造成 【新型内容】 先前技射雙回路型滾珠螺桿組件的螺帽上必須開設二個迴 合不但使滾珠螺桿組件的加工程序變得相當複 ’而“成本也會隨著提高。蓉於以上的問題,本新型的主要 種滾珠螺巾s ’鱗決先雜射雙回路型滾珠螺 才干組件所存在的問題。 為解決前述之問題’本新型係提供一種滾珠螺帽,係可移動 :ΓΓ,,其中滾珠螺帽包含有-管狀之本體、二外迴流 2 一内减件。滾珠___科部料 :二供,滾珠滾動運轉於其中。 面設有 别述之螺_。本體之軸向具有—迴流孔,而且本體之外表面具 M337653 有-外固定槽及-賴定槽。各外固定槽連通迴流孔與螺紋槽之 兩端,而關定槽連通迴流孔與螺紋槽之中段。各外迴流件分別 設置於本體之外ϋ定槽,並分別具有—外側通道。外側通道係分 別連接迴流孔與職槽之兩端。内城件設置於本體之内固定 槽,並具有二内侧通道。各内侧通道係分別連接迴流孔與螺紋槽 之中&,其中—外側通道、二内側通道及—迴流孔係連接形成二 迴流通道,以導引滾珠循環運轉於螺紋槽。 本新型之功效在於,滾珠螺桿組件的滾珠螺帽上只需開設一 個迴流孔和三細定槽,就㈣搭配出形成二個供滾珠循環之迴 /瓜通道可以簡化滾珠螺桿組件的加工程序,並且降低滚珠螺桿 組件的製造成本。 以下在只施方式中詳細敘述本新型之詳細特徵以及優點,其 内容足以使任何熟習侧技藝者了解本新型之技術内容並據以實 她且根據本说明書所揭露之内容、申請專利範圍及圖式,任何 熟習相關技藝者可輕易地理解本新型前述之目的及優點。 以上之關於本新伽容之·及以下之實财式之說明係用 以示範與轉本新型之原理,並且提供本新型之專利申請範圍更 進一步之解釋。 【實施方式】 為使對本新型的目的、構造、特徵、及其功能有進 一步的瞭 解,茲配合實施例詳細說明如下。 如第2圖」所示,為本新型所提供之滾珠螺帽,係可移動 地套口又於螺# 2G ’其中滾珠螺帽包含有一本體3()、二外迴流件 M337653 Μ迴流仵60。滾珠螺帽鞅 連續互相對紅_微槽。螺人/部與螺桿20外部具有 的内滾動溝21及開設於本=内=::=20外周面上 f珠22雜雜射,_運轉於滾珠螺帽之本t3= =間’以降低滾珠螺帽之本體_^^M337653 VIII. New description: [New technical field] This new type relates to linear actuators, especially to a ball nut for ball screw assemblies. [Prior Art] The ball screw assembly is a common linear transmission device of various mechanical phase reports, in which the 'cartridge-screw matching mechanism is screwed to move the nut along the axial direction of the screw via the rotating screw. The axial output of the motor output at the screw is converted into a force-shifting force. In order to reduce the grinding force between the sidebar and the nut, in order to reduce the screw contact wear and power loss, some people put the ball between the stomach of the ball screw touch towel, that is, the township's job slot is increased and can be accommodated. Balls, and the role of the nut _ plus New Zealand fill. The purpose is that the ball can be touched by the rod and the nut to form a relative roll __, so the t-screw touch-sensitive ball system is made into the screw body and the screw (4), and the ball acts as a connecting medium between the screw and the nut. «When the rod is rotated by the motor belt, the ball rolls along the thread groove of the screw, and the other side of the ball is caught in the thread groove of the nut to drive the nut along the axis of the screw. mobile. In addition, because the ball and the job slot are line _, the county force is quite small, and the wide illusion is also applied to the more precise linear transmission parts. However, the length of the ball 3 is limited, so it is necessary to provide a guide ball back to the nut to make the ball (4) operate in the circulation path of the roller. When the length of the snail towel is too long, it will be affected by the easy-to-use = 将 将 将 将 将 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚 滚The double-circuit type ball screw M337653 rod assembly includes a screw u and a nut 〇, wherein the nut is axially coupled to the screw U. Π Π Π _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Since the two side rings are to be provided in the ball screw assembly, four fixing grooves 1〇2 must be opened on the outer peripheral surface of the screw (4), and two separate return holes 1G1 are opened inside the nut 〇. _ ball returner 13 = _ fixed groove is removed, wherein the ball return 丨 3 has a guiding channel, ^; moving groove 103 - ball 12 material to the hole (10), weaving ball 12 / by returning to guide The other end of the groove 1G3 is rolled to turn the ball to the rolling groove 103. However, the nut 1 is. Fixing and returning ^ ==cap 1 - still tender, and made into [new content] The previous technical double-circuit type ball screw assembly must have two rounds on the nut to not only change the machining process of the ball screw assembly It has to be quite complex and the cost will increase. In addition to the above problems, the main types of ball screw s 'scales of the new type of micro-circuit type ball screw components are solved. Problem 'This new type provides a ball nut that is movable: ΓΓ, where the ball nut contains a tubular body, two outer recirculations 2 and one inner reduction. Ball ___ Branch material: two supply, ball The rolling operation is carried out. The surface is provided with a screw _. The body has a return hole in the axial direction, and the outer surface of the body has a M337653-external fixing groove and a lag groove. Each outer fixing groove communicates with the return hole and the thread groove The two ends are connected to the return hole and the middle portion of the thread groove. The outer return pieces are respectively disposed outside the body to define the groove, and respectively have an outer channel. The outer channel is respectively connected with the return hole and the job slot. End. Inner city settings The groove is fixed in the body and has two inner passages. The inner passages are respectively connected between the return hole and the thread groove, wherein the outer channel, the second inner channel and the return hole are connected to form two return channels, so as to guide The ball is circulated in the thread groove. The function of the new type is that the ball screw of the ball screw assembly only needs to open a return hole and three fine grooves, and (4) match up to form two back/melon channels for the ball circulation. Simplify the processing procedure of the ball screw assembly and reduce the manufacturing cost of the ball screw assembly. The detailed features and advantages of the present invention are described in detail below, and the content thereof is sufficient for any skilled person to understand the technical content of the present invention. The above objects and advantages of the present invention can be easily understood by anyone skilled in the art based on the disclosure, the scope of the patent application and the drawings. The above is related to the present and the following. The description of the financial formula is used to demonstrate and transfer the new principles, and to provide further scope for the patent application of the present invention. [Embodiment] In order to further understand the object, structure, features, and functions of the present invention, the following detailed description will be given in conjunction with the embodiments. As shown in Fig. 2, the ball nut provided by the present invention is provided. , the movable sleeve is also in the screw # 2G 'where the ball nut comprises a body 3 (), two outer reflow parts M337653 Μ reflow 仵 60. The ball nut 鞅 continuously faces the red _ micro slot. The screw body/section and the inner rolling groove 21 provided on the outside of the screw 20 and the fringe 22 on the outer peripheral surface of the ==::=20 are spurted, and the running of the ball nut is t3==between to reduce The body of the ball nut _^^
5月再芩閱「第2圖」所示,滾珠螺帽 1轴向且古、α_ ” 本體G為中空之管狀, 1白具f孔32,而且其外表面上具有二外固定槽33及 一内固定槽34。各外固定槽33 沾 及 ^ J甶本體30的外周面朝内開設 =通到夕卜滚卸!,而且各外固定槽33分別鄰近本體%的兩 面,使各外固定槽33連通迴流孔32與螺紋槽之兩端。内固定 槽34由本體3G的賴面朝⑽設而貫_外滾動糾,而且内 固定槽34位於本體30的中段,使内固定槽%連通迴流孔32斑 螺紋槽之中段。各外固定槽33底部具有二螺孔331,而且内固定 槽34底部具有四螺孔341。 如「第2圖」、「第3A圖」、「第3B圖丄及「第5圖」所示, 各外迴流件50分別設置於本體30之外固定槽33,其中各外迴流 件5〇係由一第一迴流塊51及一第二迴流塊52所組成。第一迴流 塊51與第二迴流塊52上分別具有一對應於各螺孔331之穿孔 53 ’其中當外迴流件50放置於外固定槽33時,各穿孔53就會與 各螺孔331對合。各穿孔53係分別用以供一螺绦%穿過而旋入 對應之各螺孔331,以將各外迴流件50鎖固於本體30之各外固 定槽33。各外迴流件50内部分別具有—外侧通道54,其中各外 M337653 侧通道54係分別連接迴流孔32與螺_ 由外側通道54進出猶孔32與觀槽。第_=^珠1 入螺紋槽之_肋51卜其中弧带W鬼51八有伸 、# Ή ^肋511係伸入螺桿20之内滾動 t _與外側物4。第二迴流塊52 :=;721,其中外侧通道54係由凸出部521連接至螺帽 之外滾動溝31,以由螺紋槽中承接滚珠22。第—迴流塊51與第 -迴流塊52之接合面係相切於觀槽,使滾珠22的流動更為順 4)! Λ 如「第2圖」、「第4Α圖」、「第4Β圖」及「第5圖」所示, 内迴流件60設置於本體3G之_定槽%,其中_流件6〇係 由二第-迴流塊61及二第二迴流塊62所組成。各第一迴流塊61 與各第-迴流塊62分別具有一對應於各螺孔341之穿孔幻,其 中當内迴流件6G放置難岐槽34時,各穿孔63就會與各螺孔 341對合。各穿孔63係分別用以供一螺絲%穿過而旋入對應之 φ 各螺孔341,以將内迴流件60鎖固於本體30之内固定槽34。内 迴ml件60内部具有二内侧通道64,其中各内側通道料係分別連 接迴流孔32與螺紋槽之中段,使滾珠22可以由内側通道糾進出 迴流孔32與螺紋槽。各第一迴流塊61結合形成一伸入螺紋槽之 弧形肋611,其中弧形肋611係伸入螺桿2〇之内滾動溝21,以導 弓丨滾珠22進出螺紋槽與内側通道64。各第一迴流塊61結合形成 凸出部612,其中内侧通道64係由凸出部612連接至螺帽20 之外滾動溝31,以由螺紋槽中承接滾珠22。各第二迴流塊62結 合形成一凸出部621,其中内側通道64係由凸出部621連接至螺 M337653 帽20之外滾動溝31,以由螺紋槽中承接滾珠22。第一迴流塊61 與第二迴流塊62之接合面仙切於螺紋槽,使滚珠22的流動更 為順利。 如第2圖」及「第6圖」所示。滾珠22繞行至螺紋槽的兩 端時,會受到弧形肋511的阻擔而無法繼續於螺紋槽前進,接著 滚珠22便會由凸出部521進入外侧通道54中,並由外侧通道M 導引進入迴流孔32。迴流孔32會讓滾珠22進入内侧通道64中, 而被内側通道64導引由凸出部犯或凸出部⑵回到螺紋槽,以 此使保滾珠22循騎職槽。前料舰道%、内侧通道 64及:孔32係連接形成二迴流通道,以導引滾珠η循環運轉 於本體30 _桿2G之間,並使滾_桿崎具有二滾珠流動路 徑70 〇 本新型中滾_桿崎的滾珠_之本體3G上只需開設. 個迴流孔如三_賴(―關定槽34與二賴定槽33),. 能夠搭配出形成二她滾珠魏之迴麵道%,可關化練 杯、’且件的加序’並且降低滾珠螺桿組件的製造成本。 雖,,、、本新型以别述之實_揭露如上,然其並賴以限 :在不脫離本新型之精神和範圍内,所為之更動朗舞。 所附之申請專利範圍。, 【圖式簡單說明】 第1圖為先前技術中滾珠螺桿組件之立體分解圖。 第2圖為摘作中滾珠螺桿組件之立體分觸。 M337653 第3A圖為本創作中外迴流件之立體示意圖。 第3B圖為本創作中外迴流件之立體示意圖。 第4A圖為本創作中内迴流件之立體示意圖。 第4B圖為本創作中内迴流件之立體示意圖。 第5圖為本創作中滚珠螺桿組件之立體示意圖。 第6圖為本創作中滾珠螺桿組件中滾珠運轉路徑之示意圖。 【主要元件符號說明】 10 .............................螺帽 101 ...........................迴流孔 102 ...........................容置槽 103 ...........................滾動溝 11 .............................螺桿 12 .............................滾珠 13 .............................滾珠迴流器 20 ..........................…螺稈 21 .............................内滾動溝 22 .............................滾珠 30 .............................滾珠螺桿 31 .............................外滾動溝 32 .............................迴流孔 33 .............................外固定槽 331···.··.....................螺孔 34 .............................内固定槽 M337653 341...........................螺孔 36.............................虫累絲 50 .............................外迴流件 51 .............................第一迴流塊 511...........................孤形肋 52 .............................第二迴流塊 521...........................凸出部 53 .............................穿孔 54 .............................外側通道 60 .............................内迴流件 61 .............................第一迴流塊 611 .....................................弧形肋 612 ...........................凸出部 62 .............................第二迴流塊 621...........................凸出部 63 .............................穿孔 64 .............................内側通道 70.............................滾珠流動路徑 12In May, we read the "Fig. 2", the ball nut 1 is axial and ancient, α_" body G is hollow tubular, 1 white f hole 32, and has two outer fixing grooves 33 on the outer surface thereof. An inner fixing groove 34. Each outer fixing groove 33 is in contact with the outer peripheral surface of the main body 30, and is opened inwardly, and each outer fixing groove 33 is adjacent to both sides of the main body, so that each outer fixing is fixed. The groove 33 communicates with both ends of the return hole 32 and the thread groove. The inner fixing groove 34 is provided by the facing surface of the body 3G toward the (10), and the inner fixing groove 34 is located at the middle portion of the body 30, so that the inner fixing groove is connected to each other. The return hole 32 has a middle portion of the thread groove. The outer fixing groove 33 has a second screw hole 331 at the bottom, and the bottom of the inner fixing groove 34 has a four screw hole 341. For example, "Fig. 2", "3A", "3B" As shown in FIG. 5, each of the outer reflow members 50 is disposed on the outer fixing groove 33 of the main body 30, wherein each outer reflow member 5 is composed of a first reflow block 51 and a second reflow block 52. . The first reflow block 51 and the second reflow block 52 respectively have a through hole 53 ′ corresponding to each screw hole 331. When the outer reflow member 50 is placed on the outer fixing groove 33, each of the through holes 53 and each of the screw holes 331 Hehe. Each of the through holes 53 is configured to allow a thread to pass through and screw into the corresponding screw holes 331 to lock the outer return members 50 to the outer fixing grooves 33 of the body 30. Each of the outer recirculation members 50 has an outer passage 54 therein, wherein each outer M337653 side passage 54 is connected to the return hole 32 and the screw _ from the outer passage 54 to the jug 32 and the viewing groove. The _=^ beads 1 are inserted into the thread groove rib 51, wherein the arc band W ghost 51 has a stretch, and the # Ή ^ rib 511 extends into the screw 20 to roll t _ with the outer object 4. The second reflow block 52: = 721, wherein the outer passage 54 is connected by the projection 521 to the outer rolling groove 31 to receive the ball 22 from the thread groove. The junction surface of the first reflow block 51 and the first reflow block 52 is tangent to the viewing groove, so that the flow of the balls 22 is smoother. 4) Λ For example, "Fig. 2", "4th drawing", "4th drawing" As shown in FIG. 5, the inner reflow member 60 is disposed at a fixed slot % of the body 3G, wherein the _ flow member 6 is composed of a second reflow block 61 and two second reflow blocks 62. Each of the first reflow blocks 61 and each of the first reflow blocks 62 has a perforation corresponding to each of the screw holes 341. When the inner reflow member 6G is placed in the hard groove 34, each of the perforations 63 and the respective screw holes 341 are opposite. Hehe. Each of the through holes 63 is configured to allow a screw to pass through and screw into the corresponding φ screw holes 341 to lock the inner return member 60 to the inner fixing groove 34 of the body 30. The inner return ml member 60 has two inner side passages 64 therein, wherein each inner passage material is connected to the return hole 32 and the middle portion of the thread groove, so that the ball 22 can be corrected from the inner passage to the return hole 32 and the thread groove. Each of the first recirculating blocks 61 is combined to form an arcuate rib 611 extending into the threaded groove, wherein the arcuate rib 611 extends into the rolling groove 21 of the screw 2 to guide the ball 22 into and out of the threaded groove and the inner passage 64. Each of the first recirculating blocks 61 is combined to form a projection 612, wherein the inner passage 64 is connected by a projection 612 to the rolling groove 31 outside the nut 20 to receive the ball 22 from the threaded groove. Each of the second recirculating blocks 62 is joined to form a projection 621, wherein the inner passage 64 is connected by the projection 621 to the rolling groove 31 outside the screw M337653 cap 20 to receive the ball 22 from the threaded groove. The joint surface of the first reflow block 61 and the second reflow block 62 is cut into the thread groove, so that the flow of the balls 22 is smoother. As shown in Figure 2 and Figure 6. When the balls 22 are wound around the two ends of the thread groove, they are blocked by the curved ribs 511 and cannot continue to advance in the thread groove, and then the balls 22 enter the outer passage 54 by the projections 521 and are provided by the outer passages M. Guided into the return orifice 32. The return orifice 32 will allow the ball 22 to enter the inner passage 64 and be guided by the inner passage 64 to the bulge or projection (2) back to the threaded groove, thereby allowing the ball 22 to ride the slot. The fore-aft channel %, the inner channel 64 and the hole 32 are connected to form two return channels to guide the ball η to run between the body 30 _ rod 2G, and the roller _ saki has two ball flow paths 70 〇 The new medium roll _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The road % can close the training cup, 'and the order of the pieces' and reduce the manufacturing cost of the ball screw assembly. Although, the present invention is disclosed in the above, it is not limited to the following: it is more versatile without departing from the spirit and scope of the present invention. The scope of the attached patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a ball screw assembly of the prior art. Figure 2 is a three-dimensional touch of the ball screw assembly. M337653 Figure 3A is a three-dimensional diagram of the reflow part of the creation. Figure 3B is a schematic perspective view of the reflow member in the creation. Figure 4A is a schematic perspective view of the inner reflow member in the creation. Figure 4B is a perspective view of the inner reflow member of the creation. Figure 5 is a perspective view of the ball screw assembly of the present invention. Figure 6 is a schematic view of the ball running path in the ball screw assembly of the present invention. [Main component symbol description] 10 .............................Nut Cap 101 ........... ................Return hole 102 ........................... accommodating groove 103 ........................... rolling groove 11 .................... ......... screw 12 .............................balls 13 ........ .....................ball returner 20 ......................... ....Snail 21 .............................Inward rolling groove 22............ .................Ball 30 .............................ball screw 31 .............................Outer rolling groove 32 ................ .............Return hole 33 ............................. external fixing groove 331· ·····..................... screw hole 34 ..................... ........Internal fixing groove M337653 341........................... screw hole 36....... ...................... Insect silk 50 ........................ ..... outer reflow member 51 .............................first reflow block 511....... .................... Solitary ribs 52 .......................... ...the second reflow block 521........................ ...protrusion 53 .............................Perforation 54 ............ .................outside channel 60 ............................. Reflow member 61 ....................... first reflow block 611 ............. ........................Arc rib 612 ...................... ..... Projection 62 .............................Second reflow block 621....... ....................protrusion 63 .......................... ...perforation 64 .............................inside channel 70............ ................ball flow path 12