1378196 六、發明說明： 【發明所屬之技術領域】 本發明尤指一種螺帽驅動式滚珠螺桿在固定螺帽另 加裝一動力驅動裝置之特別技術。 【先前技術】 圖一係揭示一種傳統螺帽驅動式滾珠螺桿，其包括 有： 一能架設於機台之螺桿（91)，其外周具有螺紋槽 (911)； 一螺帽（92)，其内孔壁面設有螺紋溝（921)，令螺紋 槽（911)、螺紋溝（921)形成一負荷通道，螺帽（92)另設有 和螺紋溝（921)頭尾相接之迴流通道（圖中未示），令迴流 通道、負荷通道組成供複數滚動元件（93)安寰之封閉通 道，使該等滚動元件（93)能作為螺帽（92)繞螺桿（91)旋轉 之介質，而該螺帽（92)另於外周環凹有二道珠巢（922); 以及 一安裝於滑座之固定螺帽（94)，其内孔壁面其有二 道珠槽（941) ’令珠巢（922)、珠槽（941)形成供滾珠安裝 之裝置，俾以一固定於滑座之動力源驅動螺帽（92)自轉 下，使該等滚珠能作為螺帽（92)繞固定螺帽（94)自轉之 介質’據以帶動固定螺帽（94)能沿螺桿（91)軸向作直線 運動，進而使滑座能沿著機台預設之軌道而位移控制； 4 1通至二：)之::定螺帽(94)另徑向貫設有 可供手動的m貯 孔(942)，該注油孔(942) 之通過·’令油脂能潤滑後續滾動元件⑽ 油室⑽，其可供油_=、螺帽（92)之間則另具有一 螺帽(92)間之滾珠進行潤：。使之可對固疋螺帽⑽、 准，現有螺巾目驅動式滾珠螺桿，由於只以—動力源 :卿)自轉4使固定螺帽⑽能沿螺桿⑻軸 °作早純錄純私，其並料第4動力方式，導 致該種螺帽驅動歧_桿在運作時，其潤滑仍是= 動為之，故而其尚有再加以改善之空間，相同的道理， 該第二種動力方式亦可轉換成有助於效益之散熱或其它 功能，如此魏使螺帽驅動歧珠螺桿適用_更廣泛。 由以上之說明可知’現有螺帽驅動式滾珠螺桿雖有諸 多相關廠商不遺餘力的進行研究發展，但迄今仍有功能不 足之問題’顯然其仍有待相關業者繼續努力。 【發明内容】 本發明主要内容在於：提供一種滾珠螺桿驅動裝置， 其主要在其固定螺帽安裝有一驅動裝置，該裝置係由動力 元件、傳動結構組成，當固定螺帽作直線運動時，令動力 元件具有能進、出螺桿螺紋槽之運動能力，俾作用傳動結 構，使之構成固定螺帽第二種動力方式，用以作為對螺才^ 1378196 進行自動潤滑、散熱、防塵.·.之動力來源，其在無須電力 驅動下，即可大大強化該滾珠螺桿之使用效益，確可改善 圖一之功能不足處。 【實施方式】 為使貴審查委員能進一步暸解本發明之結構，特徵 及其他目的，兹附以較佳實施例之圖式詳細說明如后： 凊參閱圖二、三、四、五、六、七A及八A，本發明 包括有： 一能架設於機台之螺桿（1)，其外表面具有螺紋槽 (11); 一螺帽（2)，其具有貫穿兩端面之内孔（20)，該内孔 (20) 壁面形成有螺紋溝（21)，令螺紋溝（21)及螺紋槽（11) 匹配的形成一負荷通道，螺帽外表面另設有和螺紋溝 (21) 頭尾相接之迴流通道（22)，令迴流通道（22)、負荷通 道組成供複數滾動元件（3)安裝之封閉通道，使該等滾動 元件（3)能作為螺帽（2)繞螺桿（1)旋轉之介質；而該螺帽 (2)更於外周環凹有二道彼此平行之珠巢（23)(230); 一能安裝於滑座之固定螺帽（4)，其具有貫穿兩端之 内孔（40)，並於一端徑向突出的設有一法蘭（41)，使之可 供一外環（42)對應鎖結，並在法蘭（41)、外環（42)之間夾 設有一預壓片（43)，然後在固定螺帽（4)内孔（40)及外環 (42)各設有一道珠槽（44)(440)，令珠巢（23)(230)、珠槽 1378196 (44)(440)匹配的开》成二道供滾珠（45)安裝之裝置，俾以 一固定於滑座之動力源驅動螺帽（2)自轉下，.該等滚珠（45) 能作為螺帽（2)繞固定螺帽（4)自轉之介質，據以帶動固定 螺帽（4)能沿螺桿（1)軸向作直線運動，進而使滑座能沿著 機台預設之軌道而位移控制；吾人可藉由外環（42)之鎖緊 應力而調整預壓片（43)，使之可以校正.二道滾珠（45)之預 壓力；而固定螺帽（4)另具有可對滾珠（45)、滾動元件（3) 潤滑之引道（46); 一箱體（5)，如圖四、五及六所示，其係由一相互對 合之主箱（5a)及外蓋（5b)組成，該主箱（5a)、外蓋（5b)__ 端係套合於固定螺帽（4)異於法蘭（41)之端緣，並於該端 設有供螺栓（53)穿掣之通孔（52)，用以將主箱（5a)、外蓋 (5b)安裝於固定螺帽（4) ’而使主箱（5a)、外蓋（5b)懸吊 於螺桿（1)上方；該主箱（5a)底面凹設有一能供螺桿（丨）通 〕 過之凹槽（51)，以及具有一朝自由端透空且與引道（46)接 通之容室（50)，且使外蓋（5b)能封閉該容室（5〇)之透空 端，此容室（50)壁面則具有複數道同軸向之導槽（5〇1)， • 並在凹槽（51)上方設有一導座（54)，該導座（54)則具有導 . 通凹槽（51)、容室（50)之方栓槽（540)，該方栓槽（54〇)並 於兩相對之壁面縱向設有引軌（541);主箱（5a)、外蓋（5b) 另設有相匹配之轴座（55)，令該兩軸座（55)所形成之中心 線係與容室（50)軸向平行； 1378196 槽（62)匹配；升降元件（82)係對合於方栓槽（540)甲，且 受動力元件（80)頂抵，其並具有與引執（541)相匹配之引 塊（821) ’令之可配合動力元件（8〇)上下運動而連動，該 升降元件（82)並具有一能伸入殼座（81)内部空間（81〇)之 豎桿（822)，該豎桿（822)頂緣並設有一斜板（823)，使斜 板（823)與豎桿（822)之間形成一開口朝上漸擴之空間，暨 桿（822)並在該空間凹設有一定位槽（824);第一彈簧（83) φ 係設於升降元件（82)與擋塊（814)之間，使之能以預設彈 力壓制動力元件（80)，令動力元件（80)能4實伏貼於螺桿 (1)外周；第二彈簧（84)則是安裝於豎桿（822)定位槽 (824) ’使之能以預設彈力推動齒板（85)，該齒板（85)並 具有能供第二彈簧（84)推頂之定位槽（851)，俾令齒板（85) 能確實伏貼於斜板（823)，而齒板（85)底端係以梢（85〇)極 連於豎桿（822)，使該齒板（85)僅能在克服第二彈簧（μ) • 預設彈力下而朝豎桿（822)方向擺動；齒輪（86)係以一轴 件（860)樞設於殼座（81)内部空間（810)中，且與齒板（85) 喷合’如圖七A、七B、七C、七D所示，由於齒板（85) • 僅能朝豎桿（822)方向擺動，所以在動力元件（8〇)被強迫 •的進、出螺桿（1)螺紋槽（11)而連動升降元件（82)向上運 動時，可使齒板（85)能推動齒輪（86)順時針轉動，但當升 降元件（82)向下運動時，其齒板（85)便能以梢（85〇)為轴 點的壓縮第二彈簧（84)，使之與齒輪（86)產生空回，如此 9 1378196 即可達到控制齒輪（86)單向轉動之功能；其齒輪（86)之輪 件（860)另安裝有第二傘形齒輪（87)，該等二傘形齒輪（87) 係與螺軸（7)之傘形齒輪（71)嚙合，如圖八A及八B所示， 如此即玎藉由齒輪（86)之單向轉動，而帶動螺轴（7)單向 轉動一角度’用以驅動壓板（6)之螺孔（63)，使壓板（6)能 沿容室（50)軸向滑移，用以達到壓迫容室（5〇)空間之作 用，以便將容室（50)中之内容物（例如油脂）壓出，使之可 經過引道（46)而對滾動元件（3)及滾珠（45)作用。 由上述結構說明得知，本發明主要在固定螺帽（4)安 裝一無須電力即可運作之驅動裝置，藉該裝置而構成該種 滚珠螺桿之第二種動力方式，以便當固定螺帽（4)作直線 運動時，此作為自動潤滑、散熱、防塵…之動力來源，如 此便能使此種滾珠螺桿適用範圍更廣泛。 綜上所述，是一技術理念上的高度發明，且整體結構 亦屬新穎，應符發明專利申請要件，爰依法提出申請。惟 以上所述者，僅為本發明之一較佳實施例而已，當不能以 之限定本發明實施之範圍，即大凡依本發明申請專利範圍 所作之均等變化與修飾，皆應仍屬本發明涵蓋之範圍内。 1378.196 【圖式簡單說明】 圖一：係傳統螺帽驅動式滾珠螺桿之剖面示意圖。 圖二：係本發明之組合外觀示意圖。 圖三、四：係本發明之分解示意圖。 圖五、六：係本發明箱體及驅動裝置之分解示意圖。 圖七A、七B、七C、七D :係本發明動力元件及傳動結 動作示意圖。 φ 圖八A、八B :係本發明螺軸及壓板動作示意圖。 【主要元件符號說明】 (1)螺桿 （11)螺紋槽 (2) 螺帽 (22)迴流通道 (3) 滚動元件 (4) 固定螺帽 φ (42)外環 (20)内孔 （21)螺紋溝 (23)(230)珠巢 (45)滾珠 (5)箱體 (50)容室 (52)通孔 (540)方栓槽 (6)壓板 (63)螺孔 (40)内孔 (43)預麇片 (46)引道 (5 a)主箱 (501)導槽 (53)螺梭 (541)引軌 (61)導塊 (41)法蘭 (44)(440)珠槽 (5b)外蓋 (51)凹槽 (54) 導座 (55) 軸座 (62)插槽 1378196 (7)螺軸 (71)傘形齒輪 (80)動力元件 (81)殼座 (810)内部空間 (811)鎖孔 (812)螺栓 (813)插孔 (814)擋塊 (82)升降元件 (821)引塊 (822)豎桿 (823)斜板 (824)定位槽 (83)第一彈簧 (84)第二彈簧 (85)齒板 (850)梢 (851)定位槽 (86)齒輪 (860)軸件 (87)第二傘形齒輪 (91)螺桿 (911)螺紋槽 (92)螺帽 (921)螺紋溝 (922)珠巢 (93)滾動元件 (94)固定螺帽 (941)珠槽 (942)注油孔 (95)油室 121378196 VI. Description of the Invention: [Technical Field of the Invention] The present invention particularly relates to a special technique in which a nut-driven ball screw is additionally provided with a power driving device in a fixed nut. [Prior Art] FIG. 1 discloses a conventional nut-driven ball screw including: a screw (91) that can be mounted on a machine table, having a thread groove (911) on the outer circumference thereof; and a nut (92). The inner wall surface is provided with a thread groove (921), so that the thread groove (911) and the thread groove (921) form a load passage, and the nut (92) is further provided with a return passage which is connected with the thread groove (921). Not shown in the figure, the return channel and the load channel form a closed channel for the plurality of rolling elements (93) to be mounted, so that the rolling elements (93) can be rotated around the screw (91) as a nut (92). a medium, and the nut (92) is further recessed with a bead nest (922) in the outer circumference; and a fixing nut (94) mounted on the sliding seat, the inner wall surface of which has two bead grooves (941) 'Let the bead nest (922) and the bead groove (941) form a device for ball mounting, and the power source driving nut (92) fixed to the sliding seat is rotated under the rotation so that the balls can be used as the nut (92) The medium that rotates around the fixed nut (94) can drive the fixed nut (94) to move linearly along the axial direction of the screw (91), thereby making the slide Displacement control along the preset track of the machine; 4 1 to 2:):: The fixed nut (94) is further provided with a manual m-hole (942), which is radially inserted (942) The passage of 'enable grease can lubricate the subsequent rolling element (10) oil chamber (10), which can be used for oil between the oil_= and the nut (92) and between the nut (92). It can make the fixed nut (10), the standard screw-driven ball screw, the rotation of the fixed nut (10) can be made along the axis of the screw (8). It is the fourth power mode, which leads to the lubrication of the nut drive. When it is in operation, the lubrication is still inactive, so there is still room for improvement. The same principle, the second power mode It can also be converted into heat-dissipating or other functions that contribute to efficiency, so that the nut-driven bead screw is suitable for a wider range. As can be seen from the above description, although the existing nut-driven ball screw has been researched and developed by many related manufacturers, there are still problems of insufficient function. It is clear that it is still waiting for the relevant industry to continue its efforts. SUMMARY OF THE INVENTION The main content of the present invention is to provide a ball screw driving device, which mainly has a driving device mounted on a fixing nut thereof, and the device is composed of a power component and a transmission structure. When the fixing nut is linearly moved, The power component has the ability to move into and out of the thread groove of the screw, and the transmission structure is configured to form a fixed nut. The second power mode is used for automatic lubrication, heat dissipation and dust prevention of the screw 1361196. The power source can greatly enhance the use efficiency of the ball screw without the need of electric drive, and can indeed improve the function deficiency of Figure 1. [Embodiment] For the purpose of further understanding of the structure, features and other objects of the present invention, the detailed description of the preferred embodiments is as follows: 图 Refer to Figures 2, 3, 4, 5, 6 7A and 8A, the present invention includes: a screw (1) that can be mounted on a machine, the outer surface of which has a threaded groove (11); and a nut (2) having an inner hole extending through the two end faces (20) The inner hole (20) is formed with a thread groove (21), and the thread groove (21) and the thread groove (11) are matched to form a load passage, and the outer surface of the nut is additionally provided with a thread groove (21) head. The tail channel is connected to the return channel (22), so that the return channel (22) and the load channel form a closed channel for the plurality of rolling elements (3) to be mounted, so that the rolling elements (3) can be used as a nut (2) around the screw ( 1) a rotating medium; and the nut (2) has two bead nests (23) (230) which are parallel to each other in the outer circumference; a fixing nut (4) which can be mounted on the sliding seat, which has a through a hole (40) at both ends, and a flange (41) protruding radially at one end, so that an outer ring (42) is correspondingly locked, and A pre-pressing piece (43) is interposed between the blue (41) and the outer ring (42), and then a bead groove (44) is formed in each of the inner hole (40) and the outer ring (42) of the fixing nut (4). (440), the bead nest (23) (230), the bead slot 1378196 (44) (440) matching open" into two ball (45) installation device, driven by a power source fixed to the slide The nut (2) rotates downward, and the balls (45) can act as a medium for the nut (2) to rotate around the fixing nut (4), thereby driving the fixing nut (4) to be axially along the screw (1) Linear motion, so that the slide can be displaced along the preset track of the machine; we can adjust the pre-press (43) by the locking stress of the outer ring (42), so that it can be corrected. The pre-pressure of the ball (45); and the fixed nut (4) has an approach path (46) for lubricating the ball (45) and the rolling element (3); a case (5), as shown in Figures 4 and 5 As shown in Fig. 6, it consists of a main box (5a) and an outer cover (5b) which are mutually butted. The main box (5a) and the outer cover (5b) __ end are sleeved on the fixed nut (4). At the end of the flange (41), and at the end is provided with a bolt (53) (52) for attaching the main box (5a) and the outer cover (5b) to the fixing nut (4)' to suspend the main box (5a) and the outer cover (5b) above the screw (1); The bottom surface of the main box (5a) is recessed with a groove (51) through which the screw can pass, and a chamber (50) having a free end which is permeable to the air passage and connected to the approach channel (46), and The outer cover (5b) can close the transparent end of the chamber (5〇), and the wall of the chamber (50) has a plurality of channels (5〇1) of the same axial direction, and in the groove (51) A guide seat (54) is arranged on the upper side, and the guide seat (54) has a guiding groove (51) and a square bolt groove (540) of the chamber (50), and the square bolt groove (54〇) is in two The guide rail (541) is disposed longitudinally opposite to the wall surface; the main box (5a) and the outer cover (5b) are further provided with matching shaft seats (55), so that the center line formed by the two shaft seats (55) The chamber (50) is axially parallel; the 1378196 slot (62) is matched; the lifting element (82) is engaged with the square bolt slot (540), and is abutted by the power element (80), which has an indication ( 541) Matching lead block (821) 'Make it connect with the power element (8〇) up and down The lifting element (82) has a vertical rod (822) which can extend into the inner space (81〇) of the shell (81), and the top edge of the vertical rod (822) is provided with a slanting plate (823) to make the inclined A space is formed between the plate (823) and the vertical rod (822), and the opening is upwardly expanded, and the positioning rod (824) is recessed in the space; the first spring (83) φ is Between the lifting element (82) and the stopper (814), the power element (80) can be pressed by a predetermined elastic force, so that the power element (80) can be attached to the outer circumference of the screw (1); the second spring (84) ) is mounted on the vertical rod (822) positioning groove (824) 'to push the tooth plate (85) with a predetermined elastic force, the tooth plate (85) has a positioning for the second spring (84) to push the top The groove (851), the squeegee plate (85) can be surely attached to the swash plate (823), and the bottom end of the tooth plate (85) is connected to the vertical rod (822) with a tip (85 〇), so that the tooth plate (85) can only swing in the direction of the vertical rod (822) against the second spring (μ) • preset spring force; the gear (86) is pivoted to the inner space of the housing (81) with a shaft member (860) (810), and sprayed with the tooth plate (85) as shown in Figure 7A, B, seven C, seven D, because the tooth plate (85) • can only swing toward the vertical rod (822), the power element (8〇) is forced to enter and exit the screw (1) thread groove ( 11) When the lifting element (82) moves upward, the tooth plate (85) can push the gear (86) to rotate clockwise, but when the lifting element (82) moves downward, the tooth plate (85) can The second spring (84) is compressed with the tip (85 〇) as a pivot point to make a return with the gear (86), so that 9 1378196 can achieve the function of controlling the one-way rotation of the gear (86); its gear (86) The wheel member (860) is additionally provided with a second bevel gear (87) which meshes with the bevel gear (71) of the screw shaft (7), as shown in Figs. 8A and 8. As shown in B, the unidirectional rotation of the gear (86) causes the screw shaft (7) to rotate unidirectionally at an angle 'to drive the screw hole (63) of the pressure plate (6), so that the pressure plate (6) It can slide axially along the chamber (50) to achieve the function of pressing the chamber (5 〇) to push out the contents (such as grease) in the chamber (50) so that it can pass through the approach (46) and right Action element (3) and the ball (45). According to the above structural description, the present invention mainly installs a driving device that can operate without the electric power in the fixing nut (4), and the second power mode of the ball screw is constructed by the device, so as to fix the nut ( 4) When used for linear motion, this is the power source for automatic lubrication, heat dissipation, dust prevention, etc., so that the ball screw can be applied more widely. In summary, it is a highly invented technical concept, and the overall structure is also novel, should meet the requirements of the invention patent application, and apply in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of coverage. 1378.196 [Simple description of the diagram] Figure 1: Schematic diagram of a conventional nut-driven ball screw. Figure 2 is a schematic view showing the appearance of the combination of the present invention. Figures 3 and 4 are exploded views of the present invention. Figures 5 and 6 are exploded views of the cabinet and the driving device of the present invention. Figure 7A, VIIB, VIIC, and VIID are schematic diagrams of the power components and transmissions of the present invention. φ Figure 8A, 8B: Schematic diagram of the action of the screw shaft and the pressure plate of the present invention. [Main component symbol description] (1) Screw (11) thread groove (2) Nut (22) return channel (3) Rolling element (4) Fixing nut φ (42) Outer ring (20) inner hole (21 Thread groove (23) (230) bead nest (45) ball (5) case (50) chamber (52) through hole (540) square pin groove (6) pressure plate (63) screw hole (40) inner hole (43) Pre-blanket (46) Approach (5 a) Main box (501) Guide groove (53) Shuttle hook (541) Guide rail (61) Guide block (41) Flange (44) (440) Bead groove (5b) Cover (51) Groove (54) Guide (55) Shaft (62) Slot 1378196 (7) Screw shaft (71) Bevel gear (80) Power unit (81) Housing (810) Internal space (811) Keyhole (812) Bolt (813) Jack (814) Stopper (82) Lifting element (821) Leading block (822) Vertical rod (823) Inclined plate (824) Positioning groove (83) A spring (84) second spring (85) tooth plate (850) tip (851) positioning groove (86) gear (860) shaft member (87) second bevel gear (91) screw (911) thread groove (92 Nut (921) thread groove (922) bead nest (93) rolling element (94) fixing nut (941) bead groove (942) oil hole (95) oil chamber 12