g43〇337 刀具插孔部的寬唐笼办 J.V. _ 見X寺見，泫固定環對應四個固定環螺孔設 有四個沉頭孔，對雇夂π _s Λ 丁忍各 >儿頭孔設有一固定螺拴，各固定螺 检穿過各沉頭孔έ士人π Λ 、。。在各固弋環螺孔定位’該固定環的外 周緣向外凸出所述腎心g j- ,. ^冢边傾斜面的前端，所述螺帽的内周面直 徑大於該固定環的外經。 當本創作使用時，是將刀具插入刀具插孔部内，接著 轉動螺Ί1目使螺巾目旋轉並沿滚柱構造朝後退，以螺帽的内 周面透過滾柱構造壓i6 s k錐面官的周圍’使錐面管的形狀束 合並夾持刀具的周圍固定。 本創作的功效在於，由於錐面管内部的周圍設有數個 内縮孔，I内縮孔的内側並以束合剖溝形成開口，因此在 緊迫傾斜面受料力壓迫時，能有效的以㈣孔配合束合 剖溝的構造提供錐面管收缩 叹細緩衝fe形$的空間，使錐面管 的形狀能有效率的收縮，接4 Α人 干』队稲，k升束合刀具的力量傳遞效率’ 並由於各個束合剖溝的官 旳I度乍於内編孔半徑的寬度’因此 刀具插孔部孔壁用於夾捭 处得刀具的面積能夠增大，能以更穩 疋的力量夾持刀具，達到 " %判更佳的固定刀具效果。 【實施方式】 本創作提供一種緊密夾持吉 犬得之直痏式刀桿，如圖1至圖4 所不的較佳實施例’包括一 杯本肚一套設於刀桿本 體1 〇周圍的螺帽20，以及一 α動6又於刀桿本體1 0與螺帽 之間的滾柱構造3〇，其中： 該刀桿本體1 〇是沿前 # Λ、 後方向延伸的桿體，其於前側 少成一錐面管11’該錐面營1 ^ 1為®形的營體並且在外周面 形成一前窄後寬的緊迫傾斜面1 . 討面111，在刀桿本體1 0在中間 5 M430337 形成一法蘭部12,該法蘭部a為直徑大於錐面管n的圓 盤體並且以同心的形態設在錐面管彳彳的後端，又在刀桿本 體1〇的後側形成一可結合於工具機主軸的錐柄13，該錐柄 13的前端以同心的形態設在法蘭部12後端面的中間；在 刀桿本體1 0内的軸心位置沿前、後的軸向穿設一圓形的直 孔1 4，該直孔1 4在對應錐面管彳彳内側的位置形成一刀具 插孔部141，該刀具插孔部141為直徑較直孔14其他部分 的直L見的圓琦形直孔，且刀具插孔部1 41可提供刀呈由 前朝後插設在其中； 在錐面官1 1的前端面以環繞且等間隔的形態朝後穿設 六個内縮孔15，各個内縮孔15為前、後延伸長度等於刀具 插孔部141前、後延伸長度的圓形直孔’在各内縮孔15内 側的中間與刀具插孔部1 41的孔壁之間分別開設一束合剖 溝1 6，各束合剖溝1 6為沿前、後方向延伸的切口，各束合 剖溝1 6前、後延伸的長度與各内縮孔彳5的前、後延伸的 長度等長，並且各束合剖溝16的寬度為〇.3至〇.6咖； 在錐面官11前端面的相反兩側朝後穿設兩個變形孔 1 7 ’各變形孔1 7為前、後延伸長度等於刀具插孔部14彳前、 後延伸長度的圓形直孔並位於相鄰的兩個内縮孔彳5的中 間，在錐面管1 1前端面朝後以環繞且等間隔的形態朝後穿 D又四個出水口 1 71 ’又在錐面管11前端面朝後以環繞且等 間隔的形態朝後穿設四個固定環螺孔172，又在錐面管n 的刖面設有一固定環i 8，該固定環]8為圓環體並且内徑的 寬度與刀具插孔部14 1的寬度等寬，該固定環】8對應四個 固足環螺孔1 72設有四個沉頭孔1 81，對應各沉頭孔1 81 M43〇337 設有’各固定螺检19穿過各沉頭孔181妙 合在各固定環螺孔m定位，該固定環18的外周緣向外： 出緊迫傾斜面11 1的前端。 該螺帽20是圓環體並且套設在刀桿本體1〇前側的錐 面管11周圍’該螺帽20的内周面直徑大於固定帛18的外 徑，因此能夠以内周面沿固定環’ 8 曰J外周面；$疋轉滑動而 、後進退’在螺帽2 0朝向法餘邱1 9 lu 初π法鬧。P 1 2 —端的端緣内側嵌 設-圓形的止密環21,該止密環21的内周面向内突出於螺 帽2 0的内周面。 ’' 該滾柱構造30是設於螺帽2〇的内周面與錐面管彳彳的 緊迫傾斜面111之間並設有一滾柱固定器3彳，該滾柱固定 器31的前、後延伸長度短於緊迫傾斜面1n前、後延伸的 長度’且滾柱固定器31的前、後兩端分別受固定環扨及 止密環21的限制，在滾柱固定器31設有多個斜向且以可 滾動方式設置的滾柱32，各滾柱32以内、外兩側分別接觸 鲁 緊迫傾斜面彳11以及螺帽20的内周面，如此，當螺帽2〇 相對刀桿本體10轉動時可沿緊迫傾斜面111的周圍進行 前、後進退的移動，並透過滾柱構造3〇放鬆或壓迫緊迫傾 斜面1 11的方式使刀具插孔部141鬆開或束合插設的刀具。 本創作除上述較佳實施例，是在於錐面管1 1的前端面 朝後穿設六個内縮孔1 5，再於各内縮孔15與刀具插孔部 14 1的周壁之間開設所述的束合剖溝1 6以外，亦可在錐面 官11的前端面以環繞的方式朝後穿設其他例如兩個、三 個、四個或者五個等其他數量的内縮孔1 5，再於各内縮孔 1 5與刀具插孔部彳4 1的周壁之間開設所述的束合剖溝16， 7 M430337 使用者可依束合刀聚所需的強度設置内縮孔彳5虛 與束A , 1 6的數量。 D 属 當本創作使用時，是將 4 141的前端插入刀具插孔部141内，接著轉 /'插孔 竹勒螺帽 此時螺帽2 0會沿滾柱構造3 0的各個滾柱3 2 〃 2 〇， 退，過程中螺帽20的内周面會透過滾柱構造3〇斤、朝後 管11的緊迫傾斜面111，使錐面管彳彳的形狀束^迫錐面 刀具的周圍固定。 合並夹持 内部的 前述錐面管11束合的過程中，由於錐面管w 周圍設有内縮孔1 5、束合剖溝1 6以及變形孔]7 緊迫傾斜面111受到外力壓迫時，有效的以内縮孔^此在 合剖溝心及變形孔17提供的收縮空間緩衝變形量 雜面管11的拓业讲松 # 使 狀收縮，並且由於各個束合剖溝16的寬度 乍；内縮孔1 5半徑的寬度，因此刀且^ 刀具插孔部141孔壁用於 Λ持刀具的面積能夠增大， 息，、去^ J>文的以穩定的力量夾持刀 一、 達到更佳的固定刀具效果。 【圖式簡單說明】 圖 〇 圓1是本創作較佳實施例的立體到面 疋本創作較佳貫施例的分解圖。 圖3是本創作較佳實施例的剖面圊。 圖4是本創作較佳實施例的剖面圖。 圖5是現有直筒式刀桿的立體剖面圓 圖6是現有直筒式刀桿的剖面圖。 【主要元件符號說明】G43〇337 The wide socket of the tool jack is JV _ See X Temple, the 泫 fixing ring corresponds to the four fixed ring screw holes with four countersunk holes, for the 夂 _ s Λ 忍 各 > The hole is provided with a fixing screw, and each fixing thread passes through each countersunk hole έ 人 、. . Positioning the outer circumference of the fixing ring at the outer circumference of the fixing ring, the front end of the inclined surface of the kidney core g j- , . . , the inner peripheral surface of the nut is larger than the diameter of the fixing ring Foreign classics. When this creation is used, the tool is inserted into the tool insertion hole portion, and then the screw thread 1 is rotated to rotate the screw head and retreat along the roller structure, and the inner circumferential surface of the nut is passed through the roller structure to press the i6 sk cone face officer. The surrounding 'sends the shape of the cone tube bundle to the periphery of the clamping tool. The effect of the present invention is that since there are a plurality of inner shrinkage holes around the inside of the tapered tube, the inner side of the inner shrinkage hole is formed by the inner side of the shrinkage hole, so that when the pressing force of the inclined inclined surface is pressed, the effect can be effectively (4) The structure of the hole matching bundled groove provides a space for the cone tube to sigh and squeak the fe shape $, so that the shape of the cone tube can be efficiently contracted, and the 升 干 』 稲 稲 k k The power transmission efficiency 'and because the bureaucratic degree of each beam-cutting groove is greater than the width of the inner hole radius', the hole of the tool socket hole wall can be increased and can be more stable. The force of the gripping tool achieves a better fixed tool effect with "%. [Embodiment] The present invention provides a straight shank that closely grips a dog, and the preferred embodiment of the present invention as shown in FIGS. 1 to 4 includes a set of a belly set around the shank body 1 a nut 20, and a roller 6 is further disposed between the shank body 10 and the nut structure of the nut, wherein: the shank body 1 〇 is a rod extending in the front and rear directions. On the front side, a cone-shaped tube 11' is formed, and the cone-shaped camp 1 ^ 1 is a shape of the camp body and forms a front narrow and wide width of the inclined surface 1 on the outer peripheral surface. The face 111 is in the middle of the cutter body 10 5 M430337 forms a flange portion 12 which is a disk body having a diameter larger than that of the tapered tube n and is disposed concentrically at the rear end of the tapered tube tube, and behind the shank body 1 The side forms a taper shank 13 which can be coupled to the main shaft of the machine tool. The front end of the taper shank 13 is disposed in a concentric manner in the middle of the rear end surface of the flange portion 12; the axial center position in the shank body 10 is along the front and the rear. A circular straight hole 14 is bored in the axial direction, and the straight hole 14 forms a cutter insertion hole portion 141 at a position inside the corresponding tapered pipe bore, the cutter jack The portion 141 is a straight-shaped straight hole having a diameter smaller than that of the other portions of the straight hole 14, and the cutter insertion portion 1 41 can provide a knife inserted from the front to the rear; the front end surface of the tapered surface 1 1 Six retracting holes 15 are formed in a circumferentially and evenly spaced manner, and each of the retracting holes 15 has a circular straight hole whose front and rear extension lengths are equal to the front and rear extension lengths of the cutter insertion hole portion 141. A bundled split groove 16 is defined between the middle of the inner side of the hole 15 and the hole wall of the cutter insertion hole portion 41, and each of the bundled split grooves 16 is a slit extending in the front and rear directions, and each bundled groove 1 6 The length of the front and rear extensions is equal to the length of the front and rear extensions of each of the inner shrinkage holes 5, and the width of each of the intersecting grooves 16 is 〇.3 to 〇.6 coffee; The opposite sides of the opposite sides are provided with two deformation holes 1 7 '. Each of the deformation holes 17 is a circular straight hole whose front and rear extension lengths are equal to the front and rear extension lengths of the cutter insertion portion 14 and are located adjacent to each other. In the middle of the shrinkage hole 彳5, the front end face of the tapered pipe 1 1 faces backwards in a circumferentially and evenly spaced manner, and D and four water outlets 1 71 'and the front end face of the tapered pipe 11 Then, four fixing ring screw holes 172 are formed in a circumferentially and evenly spaced manner, and a fixing ring i8 is provided on the surface of the tapered tube n, and the fixing ring 8 is a torus and the inner diameter is wide. It is equal to the width of the cutter insertion hole portion 14 1 , and the fixing ring 8 corresponds to four fixed-foot screw holes 1 72 and is provided with four counterbore holes 1 81 , corresponding to each countersunk hole 1 81 M43〇337 Each of the fixing screws 19 is positioned through each counterbore 181 to be positioned in each of the fixing ring screw holes m. The outer circumference of the fixing ring 18 is outward: the front end of the inclined surface 11 1 is pressed out. The nut 20 is an annular body and is sleeved around the tapered tube 11 on the front side of the shank body 1 'the inner circumferential surface of the nut 20 is larger than the outer diameter of the fixed cymbal 18, so that the inner circumferential surface can be along the fixed ring ' 8 曰J outer peripheral surface; $ 疋 滑动 滑 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , A circular outer ring 21 is fitted to the inner side of the end edge of the P 1 2 end, and the inner circumferential surface of the outer ring 21 projects inwardly from the inner circumferential surface of the nut 20. '' The roller structure 30 is disposed between the inner circumferential surface of the nut 2〇 and the pressing inclined surface 111 of the tapered tube bore and is provided with a roller holder 3彳, the front of the roller holder 31, The rear extension length is shorter than the length of the front and rear extensions of the pressing inclined surface 1n and the front and rear ends of the roller holder 31 are respectively limited by the fixing ring and the locking ring 21, and are provided in the roller holder 31. Rollers 32 arranged obliquely and in a rollable manner, each of the rollers 32 contacting the inner pressing surface 11 and the inner circumferential surface of the nut 20 on the inner and outer sides, respectively, so that when the nut 2 is opposite to the arbor When the body 10 rotates, the front and rear movements of the inclined surface 111 can be moved forward and backward, and the cutter insertion portion 141 can be loosened or bundled by means of the roller structure 3 〇 relaxing or pressing the pressing inclined surface 11 . Tool. In addition to the above preferred embodiment, the present invention is characterized in that the front end face of the tapered tube 1 1 is provided with six inner recessed holes 15 and is disposed between the inner shrinking holes 15 and the peripheral wall of the cutter insertion hole portion 14 1 . In addition to the splicing groove 16 , other front end holes 1 such as two, three, four or five may be disposed in a circumferential manner on the front end surface of the tapered surface 11 . 5, the branching groove 16 is opened between the inner shrinkage hole 15 and the peripheral wall of the cutter insertion hole 彳4 1 , and the user can set the inner shrinkage hole according to the strength required for the bundled knife to gather.彳5 imaginary and bundle A, the number of 16. D is used in this creation, the front end of the 4 141 is inserted into the tool jack portion 141, and then the turn / ' jack bamboo nut now the nut 20 will be along the roller structure 30 of the respective roller 3 2 〃 2 〇, retreat, the inner circumferential surface of the nut 20 will pass through the roller structure 3 jin, toward the pressing inclined surface 111 of the rear tube 11, so that the shape of the tapered tube 束 is forced by the cone cutter Fixed around. In the process of merging the aforementioned tapered tube 11 in the inner portion of the clamping tube, when the tapered surface tube w is provided with an inner contracting hole 15 , a binding groove 16 and a deforming hole 7 , the inclined surface 111 is pressed by an external force. The effective shrinkage hole is provided in the shrinkage groove and the deformation hole 17 to provide the shrinkage space. The amount of deformation of the miscellaneous tube 11 is reduced, and the width of each of the bundled grooves 16 is 乍; The width of the shrinkage hole 1 5 is the width of the hole, so the hole of the tool hole 141 is used to hold the area of the tool, and the area of the tool can be increased, and the tool can be clamped with a stable force. Good fixed tool effect. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 圆 Circle 1 is an exploded view of a preferred embodiment of the present invention in a preferred embodiment of the present invention. Figure 3 is a cross-sectional view of a preferred embodiment of the present invention. Figure 4 is a cross-sectional view of a preferred embodiment of the present invention. Fig. 5 is a perspective cross-sectional view of a conventional straight type shank. Fig. 6 is a cross-sectional view showing a conventional straight shank. [Main component symbol description]