201221286 六、發明說明： 【發明所屬之技術領域】 本發明尤指其提供—種可侍 果，以降低鬆刀時所需的動力，拉刀時產生倍力抓刀的效 軸拉刀倍力機構。 達到加速進行換刀作業之主 【先前技術】 按，综合加工機係可對加工件 除了配置有加工主轴外，另外 ^^種不同加工作業，因此 具之刀庫以及與刀庫搭配之換i置:m同加工型態刀 換刀裝置執行自動換刀作業’而依據預先設定之程式由 作業。就自動換刀作章而二，甘^工主軸選取並執行各種加工 後退拔刀、i 8 0度旋轉的動作包括有旋轉扣刀、 後退拔刀時，其係必須刀及旋轉復位，在換刀臂 之彈簧，以推出拉並係利用打刀壓缸頂壓主軸内 才可以進行拔刀的叙你·二二夾持加工刀具之夾爪，此時換刀臂 彈力所需力量俞大’由=打刀壓㈣力頂壓主軸内之彈簧的 響到換刀作業g 等待加壓的時間就愈長，從而影 刀所需的S的而主轴内之彈簧的彈力又關係著主軸拉 作動鬆刀的時門，二f3純:低彈簧的彈力，雖可減少打刀壓缸 車由拉刀所而使主軸拉刀的力量不足，故在確保主 此即=者目以=發=^種_刀_出力， 係於打i 5 S ’其係為台灣公告第574955號新型專利案， 打刀碰塊1 ] 1^底孩有—可驅動升降之打刀碰塊1 1，於 轉動轴2 1 卜側連設有一壓紅推塊1 2，主軸2◦係包括有一 -壓力環9 主軸封套2 2、—主軸拉桿2 3、數組導銷2 4、 簧2 8、」、—壓力環固定片2 6 一倍力滑套2 7、蝶型彈 轴封套2 ?if爪2 9及—彈性束套3 0等構件所組成，其中主 之主轴拉C於轉動軸21頂端以供限制壓力環2 5與連動 干d 3脫離，主轴拉桿2 3穿伸於轉動軸2丄内，其底 201221286 ，該失刀爪2 9末端係形成有-爪部2 9 刀爪;9退出 拉刀動作，以及隨著炎 力滑套2 7係依序容該蝶型彈簧^與倍 内侧，且令導銷2 4分====，，2之 2 6上，使該導銷2 4恰可受懕 5—壓力％固定片 間接向下抵頂倍力滑套2 7 10氣缸推塊12之壓抵 0氣缸推塊1 2壓抵導銷2 4位移則壓叙1 之打=碰塊i i魏以行打刀動作。&距離後’由打刀麻1 〇 缸推:ίΚ;::觸J :刀陶◦作動會先使氣 ^ 7位移，以解除倍力拉力&打，4推動倍力滑套 會接觸到主軸拉桿2 3 ; 5t缸1 〇之打刀碰塊1 1 ，主軸拉桿2 3位移’將以$二:打:壓缸1 0繼續 伸出，以進行鬆购作， =3糾連較刀爪2 9 f屋抵彈性束套3 0向下移動，進j j將同時連動麗力環2 動作時’打刀壓缸i 〇往回拉 刀作業。當進行拉刀 ，所不，當倍力滑套2 7繼續往上推ίί3 ◦，赫閱第2、1 =側緣與彈性束套3 0頂端内側壁^== ^力滑套2 7頂 而將彈性束套3 Q細定位2 7U 〇 2作 :再口:⑽，壓力㈣=巧1 由於彈性束ϋ 連動央刀爪2 9内縮，以進行拉上 、、彖、轉動轴2 1頂端内側緣間： .201221286 倍^之）之斜面301、271、3〇2 尘彈簧2 8之彈力調整在3 5叫時（參 也因此若將蝶 套3 〇後，則會因為該3倍斜率使最=力滑套2 7 1 0 5 0kg，進而達成主軸拉刀的倍 刀力量增為 計仍有如下之缺弊： 果然而，該倍力的設 1 性束套3Q在受到壓力環25壓抵向 ， 7推回向上移動時，其斜面3 ◦ 2 倍力滑 内，摩擦接觸’除了容易造成轉=以3輔2 才貝外，亦容易造成彈性束套3 f丄内官壁的刮 癱 軸2 〇鬆刀、拉刀作業升降移動不順暢，而影響主 2 ·彈性束套3〇在受到壓力環25愿抵向下 套2 7推回向上移動時，其斜3 - ，或叉到倍力滑 1之内管壁摩擦接觸，而孓易造成與轉動軸2 2,磨損，而可能導致減損倍力的效果束套3◦之斜面3〇 •=性束套3 G錢到倍力滑套2 7細肖±移_ 要利用本身的彈性外張 時，其仍需 =:i再將彈性束套3 時，將造成此=細5：用導致彈性疲乏 響主轴==心位’而產生不確動的情形，影 經驗有前==;艾;=關行業的研發與製作 試作，終究研創出―種可確二二1長期努力之研究與 果，以降低鬆刀時所需的動/ H於拉辦產生倍力抓刀的效 即為本發明之設計宗旨。力’並藉以大幅改善習式之缺弊，此 【發明内容】 車由套力機構，其係於主 木置轉動軸，该轉動軸之内部係疊設有碟 -201221286 形彈簧，並於中心位置穿讲 鬆刀之央爪，上刺連“刀倍二下端連結可開合拉、 係於轉動軸上端之管壁上容$一 以中，該拉刀倍力機構 ^拉刀桿上端部相對頂珠上$位置’於轉動轴内 動軸外部設有一升降位移、f第頂挲斜面，另於轉 槽’並於容置槽下方設有ι 環^内部係設有容置 ==拉刀桿的上方設有====斜= ===主=動:;藉此，利=及， # _暢性，進而使主轴易於達到^寺刀的效果及作動 ?刀之夾爪 之拉刀桿上端部相對頂珠置= 有 樺升降位移之_座’該外環座内部係設有容 ，，轴，管壁上容設一可橫向位=頂珠雄== •轉 置槽下方設有相對頂μ方位^^谷： ===拉刀桿的上方設有連動於外環座之内環座，並使‘ 刀桿作拉、鬆刀之動作；藉此，利用頂珠及雙頂掣 t面的设計，在確保主轴於拉刀時產生倍力抓刀的效果下，即可 動軸内部疊設之碟形彈簧的力量，進而降低鬆刀時動力源 所而打刀的力量，以達到加速進行換刀作業之目的。 【實施方式】 為使貴審查委員對本發明作更進一步之瞭解，茲舉一較佳 實施例並配合圖式，詳述如后： 請參閱第4、5圖，本發明之主軸4〇係設於外部之套座4 1内以複數組軸承4 2架置轉動軸4 3，使得轉動軸4 3可由旋 ，驅動源帶動於套座41内轉動，於本實施例中，該旋轉驅動源 係為馬達Μ ’並裝設於轉動軸4 3上方，以連結帶動轉動軸4 3轉 201221286 ?上=^^部開設有階·之套孔4 3 1，套孔4 3 彈性件係為複數個力量之彈性件’於本實施例中，該 心位置穿設有拉刀p = 4 4，於轉動軸4 3之套孔4 3 1中 6，並於轉接件4/μ4_^，該拉刀桿4 5下端連結一轉接件4 之上端部4 5 2底有可彈性開合之夾爪4 7，拉刀桿4 5 形彈簧4 4，而轉=”動軸4 3套孔4 3 1内之碟 編4 5 眘並使該第-頂 -頂掣斜面4 5 !係呈中，該第 轉動轴4 3上执古、度頂頂珠4 8之上方位置；另於 環座^括有:打刀動力源（圖面未示）之環座組，該 斜=4 9 2 ’並使該第二頂掣斜面4 g 2抵頂於頂珠U 产ί 實施例中，該第二機面4 9 2係呈1 2 ^ j f頂珠4 8之下方位置；另内環座5 0係設於拉刀桿4 5 間係个方適當距離處，該内環座5 〇與打刀環4 9 ^ 了刀環4 9可連結帶動_座5 〇位 移抵接於拉叫4 5之上端部4 5 2 .，以使拉刀桿 4 5可壓抵疊設於轉動軸4 3套孔4 3丄内之碟形彈簧4 ^ 本實施例中，該_座5〇下方更設有至少—頂銷52 兮 了 於穿伸拉刀桿4 5之上端部4 5 2後抵頂於—位於碟Ϊ 弹百44上方之抵接環5 3，該抵接環5 3並交錯設置有抿馆於 拉刀桿45之上端部452底緣之彈簧5 4，進而内環座R 連動拉刀桿4 5作拉、鬆刀之動作。 201221286 凊參閱第6圖，本發明之主 一 動力源將會帶動打刀環4 g下 〇當進行鬆刀時，首先打刀 珠48之位置’而使頂珠吏其容置槽491對應於頂 同時打刀環4 9經由插銷5 i帶=，^至容置槽4 9 1内， 4 5之上端部4 5 2的上緣”下降至接觸拉刀桿 壓抵抵接環5 3，而_碑形l j 5 0下方之頂銷5 2並將 狀態^拉刀桿4 5則仍保置此時為解除拉刀的倍力 内環以S拉:打刀環4 9下降時， 下降，同時内環座5 0下方之頂鐵2 ’使得拉刀桿4 5 ，縮碟形彈簧4 4，使得拉刀浐4^2^壓抵抵接環53，而壓 位，以開啟夾爪4 7而」^ 下端之夹爪4 7脫離限 後退拔刀作業。 疋A、、作業，此時換刀臂即可進行 刀作換刀臂完成後退拔刀、旋轉換刀及直進插 i lit Ξ 源將脫離打刀環4 9，此時碟形彈簧4 4之 推抵抵接環5 3，抵接環5 3除頂推拉刀桿4 ίΐΐ丁Γί 4 9之第二頂掣斜面4 9 2推抵頂珠4 8橫向位^ 了珠4 8凸伸於轉動軸4 3内，並推抵拉刀桿4 5上之第一頂 掌^}·面4 5 1 ’使拉刀桿4 5受力，並帶動下端之夾爪4 7限位 收口&而完成拉刀的作業，此時換刀臂即可進行旋轉復位的作業。 凊參閱第8、9圖，本發明完成拉刀作業時，頂珠4 8的受 士狀態包括有第一頂掣斜面4 5丄向下的側向力F1、轉動軸4 3 管壁垂直向上的反力F2y’以及第二頂掣斜面4 9 2向上推抵的侧 向力F3，其中，Π可分解為Fix及Fly兩種向量分力，F3則可 分解為F3x及F3y兩種向量分力（F3y=碟形彈簧4 4之彈性回 復力）’根據靜力平衡得出：201221286 VI. Description of the invention: [Technical field to which the invention pertains] The present invention particularly provides a kind of serviceable fruit to reduce the power required for loosening a knife, and the utility model produces a double-force grasping knife mechanism. The main method of accelerating the tool change operation [Prior Art] According to the comprehensive processing machine, in addition to the machining spindle, the machining tool can be equipped with different machining operations, so the tool magazine and the tool magazine can be used together. Set: m and the machining type tool changer perform the automatic tool change operation' and operate according to the preset program. In the case of automatic tool change, the second spindle is selected and executed by various machining spindles. The spring of the knife arm is used to push and pull the shaft and use the knife to press the cylinder to press the spindle to pull the knife. The jaw of the tool is clamped by the cutter. At this time, the force required for the arm change is Yu Da' Pressing the tool (4) force to press the spring in the spindle to the tool change g. The longer the waiting time is for the pressurization, so that the spring force of the S in the spindle and the spring force in the spindle are related to the spindle pulling action. The time of the loose knife, the two f3 pure: the low spring elasticity, although it can reduce the strength of the spindle broach by the broaching machine, so it is ensured that the main one is ====^ Kind of _ knife _ output, tied to hit i 5 S 'the system is the new patent case of Taiwan Announcement No. 574955, the knife hits the block 1] 1 ^ bottom child - can drive the lifting knife hit block 1 1, in rotation The shaft 2 1 is connected with a pressing red push block 1 2 , and the main shaft 2 includes a pressure ring 9 spindle sleeve 2 2. The spindle pull rod 2 3 , array guide pin 2 4 , spring 2 8 , ", - pressure ring fixing piece 2 6 double force sliding sleeve 2 7, butterfly spring shaft cover 2 ? if claw 2 9 and - elastic sleeve 3 0 and other components The main shaft of the main shaft is pulled C at the top end of the rotating shaft 21 for restricting the pressure ring 25 from being disengaged from the interlocking dry d3, and the main shaft rod 2 extends through the rotating shaft 2丄, the bottom of which is 201221286, and the end of the missing claw 2 Formed with - claws 2 9 claws; 9 exits the broach action, and with the flaming sleeve 2 7 series sequentially accommodates the butterfly spring ^ and the inner side, and the guide pin 2 4 ==== 2, 2 of 2, so that the guide pin 2 4 can be subjected to 懕5-pressure% fixed piece indirect downward force against the top force sliding sleeve 2 7 10 cylinder push block 12 pressure 0 cylinder push block 1 2 pressure When the displacement of the guide pin 2 4 is pressed, the hit 1 is touched. & after the distance 'by the knife 麻 1 〇 cylinder push: Κ Κ;:: touch J: knife ◦ ◦ will first make the gas ^ 7 displacement, to lift the force pull & hit, 4 push the force pull sleeve will contact To the spindle pull rod 2 3 ; 5t cylinder 1 打 knives hit the block 1 1 , the spindle pull rod 2 3 displacement 'will be $ 2: hit: the pressure cylinder 10 continues to extend for the purchase, = 3 correction The claw 2 9 f abuts the elastic sleeve 3 0 to move downward, and the jj will simultaneously move the Lili ring 2 to move the knife cylinder to the knives. When the broach is carried out, no, when the double force sliding sleeve 2 7 continues to push up ίί3 ◦, 赫reading 2, 1 = side edge and elastic sleeve 3 0 top inner side wall ^== ^ force sliding sleeve 2 7 top And the elastic sleeve 3 Q is finely positioned 2 7U 〇 2 for: re-port: (10), pressure (four) = skill 1 due to the elastic beam 连 interlocking the central claw 2 9 retracted to pull up, 彖, rotate the shaft 2 1 Between the inner side edges of the top: .201221286 times the slopes 301, 271, 3〇2 The spring force of the dust spring 28 is adjusted at 3 5 (and therefore, if the butterfly sleeve 3 is smashed, it will be 3 times The slope makes the most = force sliding sleeve 2 7 1 0 5 0kg, and then the maximum knife strength of the spindle broach is still the following disadvantages: However, the force of the first force sleeve 3Q is subjected to the pressure ring 25 pressure against, 7 push back when moving upwards, its slope 3 ◦ 2 times force slip inside, friction contact 'except easy to cause rotation = 3 auxiliary 2, it is also easy to cause elastic sleeve 3 f丄 inside the wall The scraping shaft 2 〇 loose knives, broach work lifting movement is not smooth, and affecting the main 2 · elastic sleeve 3 〇 when the pressure ring 25 is willing to push back to the lower sleeve 2 7 to move upwards, it is inclined 3 - , Or fork The frictional contact of the pipe wall within the double force slip 1 is easy to cause the wear and tear with the rotating shaft 2 2, which may cause the effect of reducing the double force. The bevel of the bundle 3◦ 3〇•= sex bundle 3 G money to double Force sliding sleeve 2 7 fine shawl ± shift _ To use its own elastic outer tension, it still needs =: i and then the elastic bundle 3 will cause this = fine 5: use the elastic fatigue to the main shaft == heart position 'There is an inaccurate situation, the film experience has the former ==; Ai; = the industry's R & D and production test, after all, research and development to create a kind of research and fruit of the long-term efforts to reduce the time of loosening the knife The required action / H is the design principle of the invention. The force is used to greatly improve the shortcomings of the practice. The invention is based on the mechanism of the vehicle. The wood rotates the shaft, and the inside of the rotating shaft is stacked with a disc-201221286-shaped spring, and the central claw of the loose knife is worn at the center position, and the upper thorn is connected with the lower end of the knife to open and close, and the shaft is rotated. The upper end of the pipe wall is more than $1, and the upper end of the broaching mechanism ^ razor bar is opposite to the top bead on the top position. It has a lifting displacement, f the top slanting surface, and another in the groove 'and the y ring below the accommodating groove. ^The internal system is equipped with the yoke == the upper part of the broaching bar is set ==== oblique === =Main = move:; thereby, profit = and, # _ smoothness, and then make the spindle easy to achieve the effect and action of the ^ temple knife? The upper end of the broaching bar of the knife jaw is opposite to the top bead = there is a birch lift displacement _ Block 'The outer ring seat is equipped with a capacity, the shaft, the wall of the tube can accommodate a horizontal position = top bead male == • below the transposition groove is provided with a relative top μ direction ^^ valley: === broach Above the rod, there is an inner ring seat that is interlocked with the outer ring seat, and the 'tool bar is pulled and loosened; thereby, the design of the top bead and the double top t-face is used to ensure the main shaft is broached. Under the effect of generating a double force grasping knife, the force of the disc spring stacked inside the moving shaft can be reduced, thereby reducing the power of the knife when the power is released, so as to accelerate the tool changing operation. [Embodiment] In order to make the present invention further understand the present invention, a preferred embodiment and a drawing will be described in detail as follows: Please refer to Figures 4 and 5 for the spindle 4〇 of the present invention. The rotating shaft 43 is placed in the outer sleeve 4 1 by the double array bearing 4 2 , so that the rotating shaft 43 can be rotated by the driving source, and the rotating driving source is driven in the embodiment. The motor Μ ' is mounted on the rotating shaft 4 3 to connect the rotating shaft 4 3 to turn 201221286. The upper part of the ^^^ part is provided with a sleeve hole 4 3 1, the sleeve hole 4 3 elastic parts are plural In the present embodiment, the core position is provided with a broach p = 4 4, 6 in the sleeve hole 4 3 1 of the rotating shaft 4 3, and at the adapter 4/μ4_^, the pull The lower end of the shank 4 5 is coupled to an adapter 4, the upper end portion 4 5 2 has a resiliently openable jaw 47, the broaching rod 4 5 is shaped by a spring 4 4, and the rotation = "moving shaft 4 3 sleeve hole 4 3 1 Inside the disc 4 4 Be careful and make the first-top-top bevel 4 5 ! system in the middle, the first rotating shaft 4 3 on the upper position of the top and the top bead 4 8; Including: the power source of the knife (Figure The ring seat group (not shown), the slope = 4 9 2 ' and the second top bevel 4 g 2 is abutted against the top bead U. In the embodiment, the second machine surface 4 9 2 is 1 2 ^ Jf top bead 4 8 position; the inner ring seat 50 is set at a suitable distance between the broaching rods 4 5 , the inner ring seat 5 〇 and the knife ring 4 9 ^ the knife ring 4 9 can be connected Drive the _ seat 5 〇 displacement abuts the upper end 4 5 2 . of the pull 4 5 so that the broach bar 4 5 can be pressed against the disc spring 4 that is stacked in the sleeve 4 3 of the rotating shaft 43 3 ^ In this embodiment, at least the top pin 52 is disposed under the shank 5 兮, and is slid over the upper end portion 4 5 2 of the broaching arbor bar 45, and then abuts against the top of the disk 百 百 44 44 Ring 5 3 , the abutting ring 5 3 is staggered with a spring 5 4 of the bottom edge of the upper end 452 of the broaching rod 45, and the inner ring seat R is connected with the broaching rod 4 5 for pulling and loosening the knife 201221286 凊 Referring to Fig. 6, the main power source of the present invention will drive the knife ring 4g to squat. When the knives are loosened, the position of the knives 48 is first made, and the apex slats its accommodating groove 491 corresponding to The top simultaneously hits the knife ring 4 9 via the pin 5 i with the =, ^ to the receiving slot 4 9 1 , the upper edge of the upper end 4 5 2 of the 4 5 is lowered to the contact broach bar against the abutment ring 5 3 , and the top pin 5 2 below the monument lj 5 0 and the state ^ broach bar 4 5 is still held at this time to release the broach of the inner ring of the force to pull S: when the knife ring 4 9 is lowered, the lowering, while the inner ring seat 50 below the top iron 2 ' makes the broach bar 4 5, The disc-shaped spring 4 4 causes the broach 浐 4^2^ to press against the abutment ring 53, and is pressed to open the jaws 47 and the lower end of the jaws 47 to disengage the limit retracting operation.疋A,, operation, at this time, the tool change arm can be used as the tool change arm to complete the back pull tool, rotary tool change and straight feed i lit Ξ source will be separated from the knife ring 4 9, the disc spring 4 4 Push the abutment ring 5 3, abut the ring 5 3 in addition to the push-pull tool bar 4 ΐΐ ΐΐ Γ Γ 4 4 the second top sloping face 4 9 2 push the top bead 4 8 lateral position ^ the ball 4 8 protrudes from the axis of rotation 4 3, and push the first top palm on the broaching rod 4 5 ^} · face 4 5 1 ' force the broaching rod 4 5, and drive the lower end of the jaws 47 to limit the closing & The operation of the broach can be performed by rotating the arm at this time.凊 Referring to Figures 8 and 9, when the broaching operation of the present invention is completed, the receiving state of the top bead 4 includes a first top slanting surface 4 5 丄 downward lateral force F1, and the rotating shaft 4 3 is vertically upward. The reaction force F2y' and the second top slant surface 4 9 2 push up the lateral force F3, wherein Π can be decomposed into two vector components of Fix and Fly, and F3 can be decomposed into two vector components of F3x and F3y. (F3y = elastic recovery force of the disc spring 4 4) 'Based on the static balance:
Fix = F3x.........① F2y + F3y = Fly =拉刀力……② 因第一頂掣斜面451呈45度抵頂於頂珠48 201221286 tan 45。： Fly/Flx马ηχ=〜...............代入第①式 ^第頂掣斜面4 9 2呈i 2. 5度抵頂於頂珠4 8 an 12.5 = F3y/F3x与κ 5 *代入第①式 $仏=4.543”拉刀力 假設所需拉刀力為1000 kg ^ Fly = 4.5 *F3y = 1000 kg θ_ 222 kg =碟形彈簧之彈性復力 ==需，力為_ W利用Ϊ珠4 8、第-頂 222 kg的碟形9 2的設計，於使用彈性回復^為 以您人招々々办七' 倍力的方式產生1000 kg的拉刀力量， 因此：淮，X主相對的’因碟形彈簀的彈性回復力為222 kg， 碟形;簧:ί丄需气力稍大於_ 2f2吆即可克服 :低鬆刀時打刀動力源所需的力量刀 以產品及刊物公開，從 【圖式簡單說明】 第2圖 第3圖 第4圖 第5圖 第6圖 第7圖 第8圖 第9圖 第1圖：台灣公告第57傷騎料之示意圖（ 台灣公告第574955號新型專利案之示意圖（二 台灣公告第574955號新型專利案之示意圖（三 本發明之剖面示意圖。 本發明另一方向之剖面示意圖。 本發明鬆刀時之動作示意圖（一）。 本發明鬆刀時之動作示意圖（二 本發明拉刀時之動作示意圖。 •本發明拉刀時之力量分析圖。 【主要元件符號說明】 201221286 習式部份： 1 0 :打刀壓缸 11 :打刀碰塊 1 2 :壓缸推塊 2 0 :主轴 2 1 1 :斜面 2 1 :轉動軸 2 2 :主轴封套 2 3 :主轴拉桿 2 4 :導銷 2 5 :壓力環 2 6 :壓力環固定片 2 7 :倍力滑套 2 7 1 :斜面 2 8 :蝶型彈簧 2 9 :夾刀爪 2 9 1 ·爪部 3 0 :彈性束套 3 0 1 :斜面 3 0 2 :斜面 本發明部份： 4 0 :主軸 4 1 :套座 4 2 :軸承 4 3 :轉動軸 4 3 1 :套孔 4 4 :碟形彈簣 4 5 :拉刀桿 4 5 1:第一頂掣斜面 4 5 2 :上端部 4 6 :轉接件 4 7 •炎爪 48 :頂珠 4 9 :打刀環 4 91 :容置槽 49 2:第二頂掣斜面 5 0 :内環座 5 1 :插銷 5 2 :頂銷 5 3抵接環 5 4 :彈簧Fix = F3x.........1 F2y + F3y = Fly = broach force...2 Because the first top bevel 451 is 45 degrees against the top bead 48 201221286 tan 45. : Fly/Flx马ηχ=~...............substitute the first type ^the top sloping face 4 9 2 is i 2. 5 degrees against the top bead 4 8 an 12.5 = F3y/F3x and κ 5 * Substituting the first formula $仏=4.543” The broach force assumes that the required broach force is 1000 kg ^ Fly = 4.5 *F3y = 1000 kg θ_ 222 kg = elastic spring force of the disc spring == Need, the force is _ W using the bead 4 4, the top-top 222 kg dish-shaped 92 design, using the elastic recovery ^ to create a 1000 kg broach in a way that you can do seven times Strength, therefore: Huai, X main relative 'because of the elastic recovery force of the disc-shaped magazine is 222 kg, dish-shaped; spring: 丄 丄 need a little more than _ 2f2 吆 can overcome: low-cutting knife when the power source The required force knife is disclosed in products and publications. From the simple description of the drawings, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 1: Taiwan Announcement No. 57 Schematic diagram of the injured riding material (Summary of the new patent case No. 574955 of Taiwan Announcement (2) Schematic diagram of the new patent case of Taiwan Announcement No. 574955 (three-dimensional schematic view of the invention. A schematic cross-sectional view of another aspect of the present invention. Schematic diagram of the action (1). Schematic diagram of the action of the loose knife of the present invention (2) The action diagram of the broach according to the invention. The force analysis diagram of the broach according to the invention. [Description of main components] 201221286 Formula: 1 0 : Knife cylinder 11 : Knife block 1 2 : Cylinder block 2 0 : Spindle 2 1 1 : Bevel 2 1 : Rotary shaft 2 2 : Spindle cover 2 3 : Spindle rod 2 4 : Guide pin 2 5 : Pressure ring 2 6 : Pressure ring fixing piece 2 7 : Double force sliding sleeve 2 7 1 : Bevel 2 8 : Butterfly spring 2 9 : Clamping claw 2 9 1 · Claw part 3 0 : Elastic sleeve 3 0 1 : Bevel 3 0 2 : Beveled part of the invention: 4 0 : spindle 4 1 : sleeve 4 2 : bearing 4 3 : rotating shaft 4 3 1 : sleeve hole 4 4 : dish-shaped magazine 4 5 : broaching rod 4 5 1 : First top bevel 4 5 2 : Upper end 4 6 : Adapter 4 7 • Inflamed claw 48 : Top bead 4 9 : Knife ring 4 91 : accommodating groove 49 2: Second top bevel 5 0 : Inside Ring seat 5 1 : Pin 5 2 : Top pin 5 3 Abutment ring 5 4 : Spring