200920530 九、發明說明： 【發明所屬之技術領域】 本發明係一種涉及於放電加工的技術領域，尤指用以 獲得程式運算加工原點的治具板與電極座’其定位手段具 有更優良的精準度。 、 【先前技術】 &按以放電加工的基本原理是利用電能轉換成工件熱 ’使工件急速融熔的一種熱性加工方法。進行放電加工 =，加工液在電極與工作極微細的間隙中產生過渡電弧放 β象it而對工件產生熱作用，同時液體由於受到放電 廢力及熱作用產生氣化爆發現象，此時工件的融熔部份， 將伴隨液體氣化現象炼入加工液中，工件因放電的作用產 生放電痕，如此反覆進行，便能將所希望的形狀加工完成， 而放電加工機〔EDM。Electrical Dischar λ/γ u. ί uiSctlarge Machine〕便是 利用電蝕的破壞現象來進行金屬加工的工具機。 而現今為提昇生產自動化，戶斤丨、,门士 座曰勒化所Μ同時要加工數個工件 、’需要設定各個加工原點，所以古 $ 「 屌』所以有—證書號為Μ264033 5"電極治具板組」新型專利案即針對# π θ π 蚪山 1 JT野此而進行改良，設 種電極治具板組，其主要係身人 、f 極座，剎用、主 要係包治具板以及數個電 ^ 门伯又幻研磨面，於上製設數定 >、十子狀的定位凸執，而雷托^ 孔，料處— 而电極座對應定位孔設有螺 对應疋位凸執設有十字狀的定位一 ^ ^ 數個+ 凹夂，猎以能同時讓 數们电極座配合治具板而能依 异的加工原點。 w該引證前案因電極座配置 具板而具有方便運 200920530 算設計加工原點的優點， 其困難性。 Λ 、到该精確程度則有 由於引證前案電極座設有十字 則對應設有十字狀的定位凸軌 、 凹槽，治具板 ϋ季九’而&位 _ 「槽與軌」的面積接觸，因為需要 Η4位凸軌呈 軌配合公差很小致經常接觸所以彼此槽與 巾伐觸’加以電極 + 條件不同，f要反覆卸 而要因應加工 袭至治具板的1它位置：移動電極座’讓電極座拆 ，、极扪/、匕位置，所以長期的磨 合度出現鬆動，以致影樂μ 、 I、軌的配 響叹疋加工原點位置的精準性，谁 而降低加工精度。 』顶早性，進 此外’定位凹槽與定位凸 ϋ軌要達成理想加工精产，豆 技術比較困難，較難掌握。 又/、 ,_ 口為疋位凹槽與定位凸轨伹為 十予狀，並且定位凹槽盥定4 執的面積極狹小，尤其定 凸執的細長條狀，使得定位揭 疋位凹槽與定位凸軌在，，十字，，軌跡 上的X軸軸線與γ軸軸線牯士 + 竿線彼此夾角的垂直度’難以維持精 動概谷易加工失去準度，一车，'隹ώ 八 失準度，則不僅定位凹槽與 =凸軌可能無法安裝配合，甚至需要加大配合裕度以容 安凌者更έ w成配合鬆動以致加工原點的設定出現不 準確的情形’因此存在製造技術的難度高而造成難以達成 攻、果。 【發明内容】 本發明者鑑於前述問題，進而用心研究開發，因此本 發:月主要目的係在提供—種放電加工治夾具，《主要係以 車乂簡單的技術方法便能使電極座與治具板呈現高精度、低 200920530 磨損的配置作用。 ㈣提^了可達到前述的目的，本發明所運用的技術手段係 在於&供-種放電加工治夫具， 數個配置於該電極 电^口八 电位/口具扳的電極座，其特徵在於. 六叉=治具板具有一平整之表面，於該表面加工出如 二:且呈凹槽狀的配位槽’該配位槽内側形成小錐 度的⑽’即各該配位槽的兩相向的 直高度漸高而呈漸大； 』η & ϊ 〇电極座為方形立體座狀，於面向該電極治具板該表 面之該面，延伸四對定位腳，該四對定位腳呈十字分配， 兩對在同—水平線上1外„是在垂直線上定 位腳由兩凸腳Μ成，該兩凸腳外側的距離恰可容許進入配 位槽内，而該凸腳每相應接觸該導向面呈斜弧面。 因此依據本發明的技術手段，本發明得到的功能效兴 特點簡要說明如下所列： 皿 -/、队〜V H、J 电往厘 上，形成突出的定位腳，利用定位腳面積小，以及定位腳 中的凸腳具斜弧面’因此具有些許金屬撓性，#以凸腳的 斜弧面一經碰觸配位槽内側的導向面時，一方面藉斜弧面 與導向面接觸面小，另一方面利用凸腳的金屬撓性而有彈 性移動，因此這種彈性配合的手段得以抵消配位槽與定位 腳本身加工的誤差度，確保定位腳與配位槽形成接觸但不 會過度磨損’得以長久性地保持良好配合精度，以確保電 極座結合於電極治具板的加工原點位置精準，自然保障電 200920530 極自動化加工產品之精準性。 2、本發明在電極治具板形成大面積的配位槽，狹小 的定位腳形成於小塊體的電極座，所以加工較能簡單容易 地達成良好精度 此乃大面積的電極治具板加工尺寸大的 配位槽，加工精度較易掌握，同理，電極座體積小，所以 各對定位腳形成的距離短，戶斤以要保持彼此的垂直度較容 易掌控’因此製造較以往更為簡單。200920530 IX. Description of the invention: [Technical field of the invention] The present invention relates to the technical field of electrical discharge machining, in particular to a fixture plate and an electrode holder for obtaining a program processing origin, and the positioning method thereof is superior. Precision. [Prior Art] & The basic principle of electric discharge machining is a thermal processing method in which electric energy is converted into workpiece heat to rapidly melt the workpiece. Performing electrical discharge machining =, the machining fluid generates a transitional arc in the gap between the electrode and the working pole to generate a thermal effect on the workpiece, and at the same time, the liquid undergoes a gasification explosion due to the discharge waste force and heat, and the workpiece is at this time The melted portion is smelted into the working fluid accompanying the liquid vaporization phenomenon, and the workpiece is caused by the discharge to generate a discharge mark. Thus, the desired shape can be processed and the electric discharge machine (EDM) can be completed. Electrical Dischar λ/γ u. ί uiSctlarge Machine] is a machine tool that uses metal erosion to destroy metal. Nowadays, in order to improve production automation, the households are required to process several workpieces at the same time, and it is necessary to set each processing origin. Therefore, the ancient $ "屌" has the certificate number Μ264033 5" The new patent case of the electrode fixture plate group is improved for # π θ π 蚪山1 JT wild, and the electrode fixture plate set is set up. The main body is the body, the f-pole seat, the brake, the main system is the fixture. The board and several electric gates and the magical grinding surface are set on the top, and the ten-shaped positioning convex, and the Leito^ hole, the material--the electrode holder corresponding to the positioning hole is provided with a screw corresponding The 凸 position embossing has a cross-shaped positioning of a ^ ^ number + concave 夂, hunting can be used to allow the number of electrode seats to match the fixture plate and can be processed according to the origin. w The pre-citation case has the advantage of convenient design due to the configuration of the electrode holder. The 200920530 is the difficulty of designing the origin of the processing. Λ , to the degree of precision, there is a cross-shaped positioning convex rail and groove corresponding to the electrode seat of the pre-existing case, and the area of the fixture plate ϋ 九 '' and the position _ "groove and rail" Contact, because the need to Η 4 position of the convex rails with a small tolerance to the rails and frequent contact, so the groove and the towel are different from each other. The condition is different, f must be reversed and the machine should be processed to the fixture plate. The electrode holder 'removes the electrode holder, and the position of the electrode 扪, 匕, so the long-term running-in degree is loose, so that the accuracy of the original position of the sigh of the shadows μ, I, and the track is reduced, and the machining accuracy is lowered. . 』Early early, further Into the positioning groove and positioning convex rail to achieve the ideal processing of fine production, bean technology is more difficult, difficult to master. And /, , _ mouth is the 凹槽 position groove and the positioning convex 伹 伹 is ten-shaped, and the surface of the positioning groove 盥 4 is positively narrow, especially the elongated strip shape of the convex protrusion, so that the positioning uncovering groove With the positioning of the convex rail on the, cross, the X-axis axis on the trajectory and the y-axis axis of the gentleman + 竿 line angle perpendicular to each other 'difficult to maintain the precision of the valley easy to process lost accuracy, a car, '隹ώ 八Misalignment, not only the positioning groove and the = convex rail may not be able to be fitted and fitted, and even the need to increase the fit margin to accommodate the ampere is more inconsistent with the loosening of the machining origin setting. The difficulty of manufacturing technology makes it difficult to achieve attack and fruit. SUMMARY OF THE INVENTION The present inventors have made in mind the research and development in view of the above problems. Therefore, the main purpose of the present invention is to provide an electric discharge machining fixture, which is mainly to make the electrode holder and the treatment by a simple technical method. The board exhibits high precision and low 200920530 wear configuration. (4) The above-mentioned objects can be achieved, and the technical means used in the present invention are & for the treatment of electric discharge machining, and several electrode holders disposed on the electrode electric potential, the electric potential, and the characteristics of the electrode holder. The hexagonal=fixing plate has a flat surface on which a two-part: groove-shaped coordination groove is formed, and the inside of the coordination groove forms a small taper (10)', that is, each of the coordination grooves The two opposite straight heights are gradually increasing and gradually increasing; 』η & ϊ 〇 electrode holder is a square three-dimensional seat shape, on the surface facing the surface of the electrode fixture board, extending four pairs of positioning feet, the four pairs of positioning The feet are distributed by the cross, and the two pairs are on the same-horizontal line 1 except that the positioning feet on the vertical line are formed by two convex legs, and the distance outside the two convex legs is allowed to enter the matching groove, and the convex foot is correspondingly The contact surface is in an oblique curved surface. Therefore, according to the technical means of the present invention, the functional efficiencies obtained by the present invention are briefly described as follows: dish-/, team~VH, J electric to the PCT, forming a prominent positioning foot , using a small positioning foot area, and a protruding foot in the positioning foot The curved surface 'has a certain degree of metal flexibility. When the inclined surface of the convex foot touches the guiding surface on the inner side of the matching groove, on the one hand, the contact surface of the inclined curved surface and the guiding surface is small, and on the other hand, the convex surface is used. The metal is flexible and elastic, so this elastic fit can offset the error of the registration groove and the positioning of the script body, ensuring that the positioning pin forms contact with the registration groove but does not wear excessively. With the precision, it is accurate to ensure the position of the electrode holder is combined with the processing origin of the electrode fixture board, and the precision of the highly automated processing product of 200920530 is naturally guaranteed. 2. The invention forms a large-area coordination groove in the electrode fixture board, which is narrow. The positioning pin is formed on the electrode holder of the small block, so the processing can be easily and easily achieved with good precision. This is a large-area electrode fixture plate with a large processing groove, and the processing precision is easy to grasp. Similarly, the electrode holder The volume is small, so the distance formed by each pair of positioning feet is short, and it is easier to control the verticality of the households. Therefore, manufacturing is simpler than ever.
3、定位腳如遇電極座所承載加工頭，在加工當中遇 到重度阻力時’定位腳呈自由端的凸腳可斷裂，以有效緩 和電極座連結電極加工頭所受的阻力而致損害、歪斜的力 里，具有防護電極加工頭損害的安全作用。 【實施方式】 本發明係一種放電加工治夾具，請參看第一圖，基本 上係設置-電極治具板⑽、數個配置於電極治具板⑽的 電極座（20) ’其中該電極座⑽係透過螺栓（25)而結合定位 於電極治具板（10)上，以作為加工原點位置之設定。 清再芩看第一、二圖，本發明之該電極治具板（1〇)係為 座表面經過精密研磨加工的座體，研磨加工之大面積處 為表面（11)，於表面（11)加工出如交叉方格子且呈凹槽狀的 配位;f曰（12)，配位槽（〗2)每於形成十字的中心交叉點另鑽設 I貫孔（14)，配位槽（1 2)在内側處形成小錐度的導向面 (121)，錐度之形成係各配位槽的兩相向的導向面（I〗工） 間距，沿垂直高度漸高而呈漸大。 该電極座（20)係為方形立體座狀，用以配置於電極治 200920530 具板（ίο)上，其中電極座（20)在面向電極治具板（ι〇)表面⑽ 之該面，係延伸四對定位腳（21)，四對定位腳（21)呈十字分 配’兩對在同-水平線上’ $外兩對是在垂直線上，每: 對定位腳（2D係由兩凸腳（22)組成，兩凸腳（22)外側的距離 恰可容許進人配位槽（12)内。各凸腳（22)係呈長執狀，朝向 電極治具板⑽的表面（11)係為自由端，每—凸腳⑽如第 二圖所示’每相應接觸於導向面(121)係呈小弧度的斜弧面 (22D，因形成之斜弧面（221)，所以凸腳（22)與本體連伸之 根部交為斜弧面（22υ位f呈粗大’此外，電極座⑽ 中心相應貫孔（14)係設置一呈内螺紋的鎖定孔（23)。 因此如第一、三圖所示，電極治具板（1〇)與電極座（2〇) 配置而用來定位加工原點時，係將電極座（2〇)的鎖定孔（23) 對準貫孔（14)，而電極座（20)之各定位腳（21)置於配位槽（12) 内’使凸腳（22)的斜弧面（221)碰觸到導向面（ΐ2ι)上，而螺 栓（25)自電極治具板（10)貫孔（14)朝鎖定孔（23)螺鎖即可定 位完成。如此便能讓電極座（20)供電極加工頭固定，確定加 工原點之设定，方便電極加工頭對工件進行加工。 本發明之特點是在於面積狹小的定位腳（21)係一體形 成於電極座（20)，定位腳（21)的凸腳（22)斜弧面（221)為自由 知並呈外径較根部（222)為小形態，所以具有些許金屬本身 的彈性，因此當電極座（20)利用定位腳（21)進入配位槽（12) 後，使凸腳（22)碰觸到導向面（121)時，利用斜弧面（221)與 導向面（121)碰觸瞬間的金屬撓性而會如第二圖所示的微小 彈開狀，藉以減少彼此接觸面所造成的磨損，更能抵消加 200920530 工获差，使得電極座UO)與電極治具板（10)的配置，具有長 』的精準度’降低因為磨損造成的配合鬆動情形，因此加 工的精度便不需過於嚴苛，而依然保有長期穩定配合精進 的能力。 早 此外，本發明的定位腳（21)設計形態，如在加工杂 遇到重度阻力時，目，丨+ A 田 叶則疋位腳（21)呈自由端的凸腳（22)可因 態勢呈斷·裂，W古κ π ^ 有效緩和電極座（20)連結電極加工頭所受曹 度阻力而招致損宝 '不飩 、 重 害的安全防護作二可此，具有防止電極加工頭損 效， ' 述實施例僅為例示性說明本發明之技術及其功 不土 於限制本發明。任何熟於此項技術人士均可在 進行及心神的情況下，對上述實施例 疋仃修改及變化，因此本菸3. If the positioning foot carries the processing head carried by the electrode holder, when the heavy resistance is encountered during processing, the protruding leg of the positioning leg can be broken, so as to effectively alleviate the resistance of the electrode holder to the electrode processing head, causing damage and skewing. The force has the safety effect of protecting the electrode processing head. [Embodiment] The present invention relates to an electrical discharge machining fixture. Referring to the first figure, basically, an electrode fixture plate (10) and a plurality of electrode holders (20) disposed on the electrode fixture plate (10) are disposed. (10) Positioned on the electrode fixture plate (10) by bolts (25) as a setting of the machining origin position. In the first and second figures, the electrode fixture plate (1〇) of the present invention is a seat body whose surface is precisely ground, and the large area of the grinding process is the surface (11) on the surface (11). ) processing a coordination such as a cross-square lattice and having a groove shape; f曰(12), the coordination groove (〗 2) is further drilled with a through-hole (14) at the center intersection of the cross, the coordination groove (1) A small taper guide surface (121) is formed on the inner side, and the taper is formed by the two opposite guide faces of each of the coordinate grooves, which are gradually increased along the vertical height. The electrode holder (20) is in the form of a square stereo seat for arranging on the electrode plate 200920530, wherein the electrode holder (20) faces the surface of the electrode fixture plate (10). Extend four pairs of positioning feet (21), four pairs of positioning feet (21) are cross-distributed 'two pairs in the same-horizontal line' $ outer two pairs are on the vertical line, each: pair of positioning feet (2D is made up of two convex feet ( 22) The distance between the outer sides of the two convex legs (22) is allowed to enter the matching groove (12). Each of the convex legs (22) has a long shape and faces the surface (11) of the electrode fixture plate (10). For the free end, each of the convex legs (10) has a small arc-shaped oblique curved surface (22D, corresponding to the guiding surface (121) as shown in the second figure, because of the formed oblique curved surface (221), so the convex foot ( 22) The root portion of the body extension is crossed as a curved surface (the 22-position f is thick). In addition, the center through hole (14) of the electrode holder (10) is provided with a locking hole (23) having an internal thread. Therefore, as the first and third As shown in the figure, when the electrode fixture plate (1〇) and the electrode holder (2〇) are configured to position the machining origin, the locking hole (23) of the electrode holder (2〇) is aligned with the through hole. (14), and the positioning legs (21) of the electrode holder (20) are placed in the matching groove (12) to make the inclined surface (221) of the protruding leg (22) touch the guiding surface (ΐ2ι), The bolt (25) can be positioned by screwing the through hole (14) of the electrode fixture plate (10) toward the locking hole (23). Thus, the electrode holder (20) can be fixed to the electrode processing head to determine the processing origin. The setting is convenient for the electrode processing head to process the workpiece. The invention is characterized in that the positioning leg (21) with a small area is integrally formed on the electrode holder (20), and the convex foot (22) of the positioning leg (21) is obliquely curved. The surface (221) is freely known and has a smaller outer diameter than the root portion (222), so it has some elasticity of the metal itself, so when the electrode holder (20) enters the coordination groove (12) by using the positioning leg (21), When the convex foot (22) is touched to the guiding surface (121), the oblique metal surface is touched by the oblique curved surface (221) and the guiding surface (121), and the microscopic opening shape as shown in the second figure is obtained. In order to reduce the wear caused by the contact surfaces of each other, it is more able to offset the increase in the work of the 200920530, so that the electrode holder UO) and the electrode fixture plate (10) are configured to have a long length. The precision 'reduces the looseness caused by the wear, so the precision of the processing does not need to be too strict, and still retains the ability to cooperate with the long-term stability. In addition, the design of the positioning foot (21) of the present invention, as in When the processing encounters severe resistance, the mesh, 丨+ A field leaf, the foot (21) with the free end of the foot (22) can be broken and cracked due to the situation, and the W κ π ^ effective easing electrode seat (20) Linking the resistance of the electrode processing head to the damage resistance of the electrode processing head, which can prevent the electrode processing head from being damaged, and the embodiment is merely illustrative of the technology of the present invention and The work is not limited to the invention. Anyone who is familiar with this technology can modify and change the above embodiments in the light of the heart and mind, so this smoke
之申往哀剎X月之權利保護範圍應如後所述 T明寻利|ϋ圍所列D 10 200920530 【圖式簡單說明】 第一圖係本發明較佳實施例的立體元件分解圖。 第二圖係本發明較佳實施例顯示碰塊與導向面接觸的 放大平面圖。 第三圖係本發明較佳實施例的組合剖視圖。 【主要元件符號說明】 (1 〇)電極治具板 f) (11)表面 （12)配位槽 (121)導向面 (14)貫孔 (20)電極座（21)定位腳 (22) 凸腳 （221)斜弧面 (222)根部 (23) 鎖定孔（25)螺栓The scope of protection of the application to the sorrow X month shall be as follows. T Mingxun|Denimum D 10 200920530 [Brief Description] The first figure is an exploded view of the three-dimensional element of the preferred embodiment of the present invention. The second drawing is an enlarged plan view showing the contact of the bumper with the guide surface in the preferred embodiment of the present invention. The third drawing is a combined cross-sectional view of a preferred embodiment of the present invention. [Main component symbol description] (1 〇) electrode fixture plate f) (11) Surface (12) Coordination groove (121) Guide surface (14) Through hole (20) Electrode holder (21) Positioning foot (22) Convex Foot (221) oblique curved surface (222) root (23) locking hole (25) bolt
C 11C 11