M318484 八、新型說明： 【新型所屬之技術領域】 本創作係與加工中，有關，特別係指—種加工中心機 主軸夾鬆刀具之倍力機構。 【先前技術】 按，-般加卫中心、機之主軸主要係穿套於該主轴 中之刀桿加以連接-夾爪，以由該夾爪夾持—刀具，藉此由 该主軸帶該刀具位移並㈣刀桿帶該刀具以高逮旋轉地對— 工件進行切削加工之作業。 惟’由於刀具對工件進行切削作業時所受之阻抗應力相 當:大，因此為避免刀具於加工作業中有自行自夾爪中脫離 之f月事發生’―般會於該刀桿上套設若干數量之碟形彈菁， 以由該碟轉簧提供適當且足夠之彈性預力加以阻抗切削時 所產生之應力，進而確保該刀桿能正確地位於夾刀位置上， =欲進行換刀作業時再由一退刀叙(可為氣壓紅或油壓缸)施 單。出碟形彈簧彈性預力之外力於該刀桿上，以使該刀桿 =碟形彈菁而能位移至鬆刀位置上，而能使 忒刀具，以利更換刀具之作業。 以確r由於上述之刀桿主要剌^形彈簧之彈性預力加 保刀桿能位在夹刀位置上，因此碟形彈菁之數量必須足 M318484 夠抵抗切削時所產生之應力而所需相當之多，但過多之碟形 彈簧亦_伴隨著體積上之增加及鮮衡之不穩定。 【新型内容】 本創作之主要目的在於提供—種加玉中心、機主轴夾鬆刀 具之倍力機構’係能產生適#之徑向自鎖力以減少所需碟形 彈簧之數量。 緣以’為達成上述之目的，本創作所提供—種加工中心 機主軸夾鬆刀具之倍力機構，包含有—打刀塊…倍力環、 打刀杯壓縮彈耳及一鎖刀夾爪組件；該打刀塊係容置 於為主軸t軸孔巾倍力環係置設於該軸孔巾並以其一 端與該打刀塊抵接，且該倍力環上形成有—第—斜面，該打 刀桿係容置於該軸孔中，其—端可與該打刀塊抵接另一端則 與一刀具連接’該打刀桿上形成有—第二斜面、—環样及一 凸環，該壓轉簧係轉於該打刀桿上，—端_^产抵 接而另-端職該凸環抵接，鎖刀夾爪組件係衣一 J.O jy TS. LJ+ σ亥打刀 杯之姑上，其-端外周緣上形成有—第三斜面㈣第 面相互抵接，關端内周緣上則形成有—第四斜面輿該#二 斜面相互抵接’且鋪刀夾爪組件具有 ’…弟一 J ^^頂乃，#由繁 一、 三斜面及該第二、四斜面間共同產生—徑向自以 二、 減少所需設置於該打刀桿上之碟形彈簧數量。、，以 M318484 【創作之實施方式】 為能更詳細賴本創作之特徵1舉本創作—較佳之實 施例並配合圖式說明如下；其中： 、 請參閱第-圖，係本創作所提供—較佳實施例加工中心 機主轴夾鬆刀具之倍力機構⑽），其主要包含有一打刀塊 ⑽、-倍力環(20)、-打刀桿(3G)、_隔環⑽)—壓縮彈菁⑽ 及一鎖刀夾爪組件(60);其中： 如第二圖及第三圖所示，該打刀塊⑽，係置設於一主轴 (91)之-軸孔(911)中，且其一端形成有—受力部⑴），係露出 於軸孔(911)之-端外，該打刀塊⑽並可受外力之作用而於該 軸孔(911)中進行軸向之往復位移，該打刀塊（1〇)另一端則形成 有一軸向之孔槽（12)。 如第二圖及第三圖所示，該倍力環(2〇)，為一中空環體， 係設置於該軸孔(911)中，並以其一端周面抵接於該打刀塊（10) 形成該孔槽（12)之端面上，且該倍力環(20)之一另端内側壁面 周緣上並形成有一第一斜面(21)，於本實施例中該第一斜面 (21)與主轴(91)之軸心線夾角為1〇度，該倍力環(2〇)之中段内 壁面上並凹陷有一容置區域(22)。 如第二圖至第四圖所示，該打刀桿(30)，為一桿體，係置 設於該主轴(91)之軸孔(911)中，該打刀桿(30)—端係穿入於該 M318484 打刀塊⑽之孔槽⑽中，端則連接—夹爪㈣，以由該 夾爪(92决持-刀具㈣或_夾爪(Μ)鬆脫動具㈣；肋 刀桿(30)鄰接穿入孔槽（12)—端之外周上形成有一第二斜面 (31) ’於本實施例中該第二斜面⑼與主轴(91)之轴心線間之 夾角為45度，並於距該第二斜面(31)一預定距離之打刀桿⑽ 外周面上形成有-環槽(32)，該打刀桿(3〇)令段位置之外周面 上則形成有一凸環(33)。M318484 VIII. New description: [New technical field] This creation department is related to machining, especially refers to the multi-function mechanism of the machining center machine spindle clamping loose tool. [Prior Art] According to the general center of the machine, the main shaft of the machine is mainly connected to the cutter bar which is sleeved in the main shaft to connect the jaws to clamp the cutter by the clamp, whereby the cutter is carried by the main shaft Displacement and (4) the tool holder with the tool to rotate the workpiece to the workpiece. However, due to the fact that the tool is subjected to the cutting work of the workpiece, the impedance stress is quite large: therefore, in order to avoid the tool from being detached from the jaw during the machining operation, it will be set on the arbor. A number of disc-shaped elastics, which are provided by the disc spring to provide appropriate and sufficient elastic pre-stress to resist the stress generated during the impedance cutting, thereby ensuring that the arbor is correctly positioned at the knives position. At the time of operation, a retraction knife (which can be a pneumatic red or a hydraulic cylinder) is applied. The disc spring elastic preload force is applied to the cutter bar so that the cutter bar can be displaced to the position of the loose knife, and the cutter can be used to facilitate the replacement of the cutter. It is confirmed that the elastic pre-force of the main 剌-shaped spring of the above-mentioned shank can ensure that the arbor can be positioned at the position of the knives, so the number of the disc-shaped elastic crystals must be sufficient for the M318484 to resist the stress generated during cutting. Quite a lot, but too many disc springs are accompanied by an increase in volume and instability of the fresh balance. [New Content] The main purpose of this creation is to provide a radial force self-locking force that can be used to reduce the number of disc springs required. In order to achieve the above objectives, the machine provides a multiplier mechanism for the machining center machine spindle clamping tool, including a knife block, a double force ring, a knife cup compression ear and a lock knife jaw. The tool block is disposed on the shaft t-belt of the main shaft t-axis and is abutted against the cutter block at one end thereof, and the plucking ring is formed with a -first a beveling surface, the tool bar is received in the shaft hole, and the end of the tool can be connected to the tool block and the other end is connected with a tool. The tool bar is formed with a second bevel, a ring sample and a convex ring, the compression spring is rotated on the knife bar, the end _^ is abutted and the other end is abutted, the locking knife jaw assembly is a JO jy TS. LJ+ σ On the acupuncture cup, the third peripheral surface (four) of the outer periphery of the end is abutted against each other, and the inner peripheral edge of the closed end is formed with a fourth inclined surface, the two inclined surfaces abut each other and the knife is laid. The jaw assembly has a '...a brother's J ^^ top, # is produced by the common one, the three inclined planes and the second and fourth inclined surfaces - the radial self-contained, the reduction required to be set in the The number of disc springs on the knife bar. M318484 [Implementation of Creation] In order to be able to draw more details on the characteristics of this creation, the preferred embodiment is described below with reference to the following drawings; among them: Please refer to the figure - provided by this creation - The preferred embodiment of the machining center machine spindle clamping tool double force mechanism (10)), which mainly comprises a dozen cutter blocks (10), - double force ring (20), - tool bar (3G), _ spacer ring (10) - compression An elastomer (10) and a lock knife jaw assembly (60); wherein: as shown in the second and third figures, the cutter block (10) is disposed in a shaft hole (911) of a spindle (91) And a force receiving portion (1) is formed at one end thereof, and is exposed outside the end of the shaft hole (911), and the knife block (10) can be axially operated in the shaft hole (911) by an external force. Reciprocating displacement, the other end of the cutter block (1〇) is formed with an axial hole groove (12). As shown in the second and third figures, the yoke ring (2 〇) is a hollow ring body which is disposed in the shaft hole (911) and abuts against the cutter block at one end circumferential surface thereof. (10) forming an end surface of the hole (12), and forming a first inclined surface (21) on a periphery of the inner side wall surface of one of the double force rings (20), in the embodiment, the first inclined surface ( 21) An angle is 1 degree with the axis of the main shaft (91), and an accommodating area (22) is recessed on the inner wall surface of the middle portion of the doubling ring (2 〇). As shown in the second to fourth figures, the tool bar (30) is a rod body disposed in a shaft hole (911) of the main shaft (91), and the tool bar (30) is end-end Pass through the hole (10) of the M318484 knife block (10), and connect the end to the jaw (4) to release the actuator (4) from the jaw (92) - cutter (4) or _ jaw (Μ); The arbor (30) is adjacent to the insertion hole (12) - a second inclined surface (31) is formed on the outer circumference of the end. In the embodiment, the angle between the second inclined surface (9) and the axial line of the main shaft (91) is 45 degrees, and a ring groove (32) is formed on the outer peripheral surface of the cutter bar (10) at a predetermined distance from the second inclined surface (31), and the cutter bar (3 turns) forms a peripheral surface outside the segment position. There is a convex ring (33).
如第二圖及第三圖所示，該隔環(4〇)，為一中空環體，係 穿套於該打刀桿⑽上，而位於該打刀塊⑽與該打刀桿⑽ 間’以由該隔環(40)作為該打刀塊⑽與該打刀桿(3〇)間之緩 衝元件。 如第二圖及第三圖所示，該壓縮彈簣(％)，係套置於該打 刀才干(30)上，且其一端係抵接於該打刀桿(3〇)之凸環⑽一侧 ’而另-端雜接於該倍力環⑽之自由端緣上；該打刀桿 ()凸環(33)之另一側則穿套有預定數量之碟形彈簧(94)，使 為碟形彈簧(9句之-端係抵接於該凸環⑽上而另端則抵接 於該主軸(91)内壁面上。 如第-圖圖至第三圖所示，該鎖刀夾爪組件⑽），係由若 干個辦爪(61)及-拉伸彈簧(62)所構成 ，該各瓣爪(61)係分別 圍繞於該打刀桿(3〇)上，並以其一端内 壁面抵接於該打刀桿 M318484 (30)之環槽(32)中，而該拉伸彈箸(62)則圈套於該各瓣爪⑹） 外，使該各瓣爪(61)受該拉伸彈簧(62)之圈套而限位於該環槽 (32)上’且該各瓣爪⑹)並受該拉伸彈簧㈣之作用而使另一 ㈣成有-張開之預力，該各瓣爪(61)之一端外周緣上則形成 有一第三斜面(611)，於本實施例中該第三斜面(6ιι)與該主軸 (91)之轴心線間之夾角為1〇度’該各瓣爪⑹)之同端内周緣 上則形成有-第四斜面(612)，於本實施例中該第四斜面(612) 與4主轴(91)之軸心線間之夾角為45度。 疋以’上述即為本鑛所提供—較佳實施例加工中心機 主軸夹鬆刀具之倍力機構(刚)的各部構件及其喊方式之介 紹，接著再將其使用方式及特點介紹如下： 凊翏閱第二圖至第四圖所示，為呈—夾刀之狀態，其中 該打刀桿(3_受該碟形彈簧(94)之彈力所推移而往上(其方 向以圖中所示為基準)位移’使該各瓣爪(61)之第三斜面(611) 触倍力環(20)之第-斜面(21)緊密貼接，而該各瓣爪㈣之 第四斜面(612)則與該打刀桿(30)之第二斜面(31)貼接，使該各 瓣爪(61)此時形成閉合之狀態’耐了刀桿(3_位於夾刀之位 置上而由該夹爪(92)將該刀具(93)緊固地夾持。如此一來便可 由該主軸(91)之位移及由該打刀桿⑼)之高速旋轉而由該刀 具(93)進行工件之切削作業。 M318484 •請參閱第五圖至第七圖所示，為一鬆刀之狀態，當欲進 行鬆刀時(欲進行換刀時），則由一打刀缸(95)施於一預定之外 力至騎刀塊(ίο)之受力部⑴)上，使該打刀塊⑽被該打刀 缸(95)所推移而往下位移（其方向以圖中所示為基準），並同時 _ f動4倍力環(20)往下位移而壓縮該壓縮彈簧⑽，使該倍力 ，卵G)之第—斜面(21)因其往下位移而與該瓣爪(61)之第三斜 • 面(611)脫離，使該瓣爪(61)不再受該倍力環(20)之第一斜面 (611)所限制，而得以由該拉伸彈簧(6幻之作用而呈張開狀態， 使張開之一端得以伸入於該倍力環(2〇)之容置區域(22)中，進 而V致该打刀桿(3〇)之第二斜面(31)亦不再受該瓣爪(61)之第 四斜面(612)所關，而使該打刀桿(3_始受該打刀塊⑽ 所帶動而往下位移，使該夾爪(92)得以因應軸孔(911)内壁面而 _ 呈張開狀態進而鬆脫該刀具（由於該夾爪(92)為習知之構件容 、 不在此贅述其動作及原理），以利換刀作業之進行。 ， 待換刀作業完成後，則將該打刀缸(95)退回，使該打刀桿 (30)再度文该碟形彈簧(94)之彈力所作用而往上位移，並使該 壓縮彈簀(50)回復而將該倍力環(2〇)及該打刀塊（1〇)同時往上 位移，使該各瓣爪(61)再度呈閉合狀態，而使該第三斜面(611) 再度铃u亥倍力環(2〇)之第一斜面(21)緊密貼接，而使該瓣爪 ()之第四斜面(612)則再度與該打刀桿(3〇)之第二斜面pi)緊 M318484 密貼接，使該夾爪(92)此時呈夾固刀具(93)之狀態。 致此，由於本創作利用瓣爪（61)之第三斜面（611)及第E 斜面（612)之角度設計’㈣別與該倍力環（2Q)之第一斜面 (21)及打刀桿（3〇)之第二斜面⑶）所緊密貼接，以將該打刀 桿⑽軸向位移之預力轉化為主軸⑼）對該打刀桿（3〇)之徑 向之自鎖力，而對打刀桿（3Q)施予—軸向位移之阻力。如此 —來’由於該打刀桿（3〇)因受該徑向自鎖力之作用，使由該 碟形彈簧（94)触倾_帅彈力便_大喊少，經本 創作人實驗得知，藉由本創作之倍力機構可產生碟形彈簣彈 力3 5七之位向自鎖力’換言之，藉由本創作之倍力機構搭 酉1用約1/3〜1/5數量之碟形彈簧即可達·繼打刀桿位 和之目的，不僅能大幅減低碟形料之成本支出，更能大幅 地縮減主軸之體積。 曰 【圖式簡單說明】 ί—圖：係本編—較佳實施例之靖分解以部剖視圖。 ‘示意圖；其主要顯 弟示魏實施例之剖視 不爽刀狀態。 意圖；其主 第三圖：係第一圖所示較佳實施例之局部剖視示 要顯示夾刀狀態。 示意圖；其主 第四圖：係第-圖所錢佳實施例之局部剖視 M318484 要顯示夾刀狀態。 第五圖：示難實施例之職示域；其主要顯 示鬆刀狀態。 第六圖：係第-圖所示較佳實施例之局部剖视示意圖；其主 要顯示鬆刀狀態。As shown in the second and third figures, the spacer ring (4〇) is a hollow ring body that is sleeved on the tool bar (10) and located between the tool block (10) and the tool bar (10). 'The spacer ring (40) serves as a cushioning element between the knife block (10) and the knife bar (3). As shown in the second and third figures, the compression magazine (%) is sleeved on the cutter (30), and one end thereof abuts against the convex ring of the cutter bar (3〇). (10) one side 'and the other end is miscellaneously attached to the free end edge of the force ring (10); the other side of the punching rod (33) is sheathed with a predetermined number of disc springs (94) a disc spring (9-end end abuts against the convex ring (10) and the other end abuts against the inner wall surface of the main shaft (91). As shown in the first to third figures, The lock knife jaw assembly (10) is composed of a plurality of claws (61) and a tension spring (62), and the claws (61) are respectively wrapped around the cutter bar (3), and The inner wall surface of one end abuts against the ring groove (32) of the cutter bar M318484 (30), and the tension magazine (62) is sleeved outside the claws (6), so that the claws ( 61) by the snare of the tension spring (62) is limited to the ring groove (32) and the claws (6) are subjected to the action of the tension spring (4) to make the other (four) into a pre-tension a third inclined surface (611) is formed on an outer circumference of one end of each of the claws (61), which is the third in this embodiment. The angle between the surface (6 ιι) and the axis line of the main shaft (91) is 1 ' degrees. The inner edge of the same end of the respective claws (6) is formed with a fourth slope (612), which is in this embodiment. The angle between the fourth bevel (612) and the axis of the four main axes (91) is 45 degrees.疋In the above-mentioned, it is provided by the mine--the preferred embodiment of the processing center machine spindle clamping tool, the multiple force mechanism (synchronous) of the various components and their shouting methods, and then its use and characteristics are introduced as follows: Referring to the second to fourth figures, the state of the knife is clamped, wherein the knife bar (3_ is moved upward by the elastic force of the disc spring (94) (the direction is in the figure) Shown as a reference) displacement 'closes the third bevel (611) of the respective claws (61) to the first bevel (21) of the contact force ring (20), and the fourth bevel of the respective claws (four) (612) is attached to the second inclined surface (31) of the knife bar (30), so that the respective claws (61) are in a closed state at this time, and the knife bar (3_ is located at the position of the knife) The tool (93) is clamped tightly by the jaws (92), so that the tool (93) can be rotated by the displacement of the spindle (91) and by the high speed of the tool bar (9). M318484 • Please refer to the figure 5 to 7 for the state of a loose knife. When you want to loosen the knife (when you want to change the tool), you can use a single cylinder (95). Apply to a reservation The force is applied to the force receiving portion (1) of the riding block (1) so that the knife block (10) is displaced by the knife cylinder (95) and displaced downward (the direction is based on the figure), and simultaneously _f move the 4 times force ring (20) downward to compress the compression spring (10), so that the first force, the first slope (21) of the egg G) is displaced downwardly with the claw (61) The slanting surface (611) is disengaged so that the claw (61) is no longer restricted by the first bevel (611) of the doubling ring (20), and is thereby acted upon by the stretching spring In the open state, one end of the opening is inserted into the receiving area (22) of the double force ring (2〇), and the second inclined surface (31) of the knife bar (3〇) is no longer subject to The fourth inclined surface (612) of the claw (61) is closed, so that the knife bar (3_ is initially driven by the knife block (10) to be displaced downward, so that the jaw (92) can be adapted to the shaft hole (911) The inner wall surface is opened and the tool is released (the jaws (92) are conventional components, and the operation and principle are not described here) to facilitate the tool change operation. After the knife operation is completed, the cutter cylinder (95) is returned to make the cutter The rod (30) is again displaced by the elastic force of the disc spring (94), and the compression magazine (50) is restored to the double force ring (2〇) and the cutter block (1〇) Simultaneously shifting upwards, so that the respective claws (61) are again closed, and the third inclined surface (611) is closely attached to the first inclined surface (21) of the second ring (2〇). The fourth inclined surface (612) of the claw () is again closely attached to the second inclined surface pi) of the knife bar (3), and the clamping jaw (92) is clamped at this time. (93) Status. Therefore, since the creation uses the angles of the third inclined surface (611) and the E-shaped inclined surface (612) of the claw (61) to design '(4) and the first inclined surface (21) of the double force ring (2Q) and the knife The second bevel (3) of the rod (3〇) is closely attached to convert the pre-force of the axial displacement of the cutter rod (10) into a spindle (9)) and the radial self-locking force of the cutter rod (3〇) And the knife bar (3Q) is applied - the resistance of the axial displacement. So - because 'the arbor (3 〇) due to the role of the radial self-locking force, so that the disc spring (94) touches the _ handsome elastic _ shout less, by the creator experiment With the creation of the force mechanism, the disc-shaped magazine can be produced with a stretch of 3 5 7 to the self-locking force. In other words, with the creation of the force mechanism, the number of the disc is about 1/3 to 1/5. The spring can reach the position of the tool bar and the purpose of not only greatly reducing the cost of the disk material, but also greatly reducing the volume of the spindle.曰 [Simple description of the drawings] ί-图: This is a sectional view of the preferred embodiment. ‘schematic; its main manifestation shows the cross-section of the Wei example. Intent; its main Fig. 3 is a partial cross-sectional view of the preferred embodiment shown in the first figure to show the state of the knife. Schematic; its main fourth picture: a partial cross-section of the embodiment of the figure - M318484 to display the state of the knife. Figure 5: shows the job area of the difficult embodiment; it mainly shows the state of the loose knife. Fig. 6 is a partial cross-sectional view showing the preferred embodiment of the first embodiment; it mainly shows the state of the loose knife.
弟七圖：係第―®所示較佳實施例之局部剖視示意圖；其主 要顯示鬆刀狀態。 【主要元件符號說明】 加工中心機主軸夾鬆刀具之倍力機構(1〇〇) 受力部(11) 倍力環(20) 容置區域(22) 第二斜面(31) 凸環(33) 壓縮彈簧(50) 瓣爪C61) 第四斜面（612) 主軸(91) 夾爪(92) 碟形彈簧(94) 打刀塊(10) 孔槽(12) 第一斜面(21) 打刀桿(30) 環槽(32) 隔環(40) 鎖刀夾爪組件(60) 弟三斜面（611) 拉伸彈簧(62) 軸孔(911) 刀具(93) 打刀缸(95) 12Figure 7 is a partial cross-sectional view of the preferred embodiment shown in the "-"; it mainly shows the state of the loose knife. [Explanation of main component symbols] Machining center machine spindle clamp loose tool double force mechanism (1〇〇) Forced part (11) Double force ring (20) accommodating area (22) Second inclined surface (31) Convex ring (33 ) Compression spring (50) Claw C61) Fourth bevel (612) Spindle (91) Claw (92) Disc spring (94) Knife block (10) Hole groove (12) First bevel (21) Rod (30) Ring groove (32) Spacer (40) Locking knife jaw assembly (60) Disc three bevel (611) Tension spring (62) Shaft hole (911) Tool (93) Punching cylinder (95) 12