200305489 玖、發明說明： 【發明所屬之技術領域】 本發明係一關於在積層前的陶瓷綠帶（Ceramic Green200305489 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a ceramic green belt (Ceramic Green) before lamination.
Sheet)或可彎曲基板用膜等板形加工件開設孔之打孔裝置 者。 【先前技術】 根據此種打孔裝置，在磨耗、折損打孔銷，或改變孔徑 時，必須交換打孔銷。然後，改變孔徑時亦交換銷。該銷 交換時，先前如日本特開平11-254395號公報或日本特開 2000-108088號公報所揭示，從打孔裝置機體取下打孔組具 連Π打孔頭，在機外交換打孔銷後，將打孔組具安裝到機 把、4車、調整打孔銷之高度、進行打孔銷和模台之芯對 中、檢查確認後重新開始運轉。 因此，根據先前之打孔裝置，不僅交換打孔銷耗費時間 、損耗時間較長、運轉率降低，尚有困難裝卸沈重的打孔 組具之問題點。 【發明内容】 因此，本發明之課題在於提供一打孔裝置，不須取下打 孔頭，而可簡單且迅速地交換打孔銷。 本發明之打孔裝置為了解決上述課題，其特徵為板形加 工件所位在之加工件配設空間上側裝設有打孔組具，加工 件配设s間下側裝設有模台組具，模台組具裝設有模台， 打孔組具裝設有打孔頭，在打孔頭以分別可朝模台側取下 之方式’組裝有和模台協動而將加工件打孔之打孔銷，和 C:\2002\84304.doc 200305489 打孔時接近模台而在銷脫離時阻止加工件滑脫之套罩，並 裝設有上升手段，其係使打孔組具上升到可裝卸打孔销及 套罩之銷交換位置。 於此，打孔銷之驅動方式可採用一體驅動打孔銷和打孔 頭之方式，但為了短時間在加工件開設多數孔，較佳方式 為將打孔頭配設在接近加工件之位置，以短行程驅動輕量 之打孔銷或輸出軸。採用該方式之打孔裝置，其打孔組具 構成裝設有作動器，使打孔頭升降到接近模台之打孔位置 和從模台離開之待機位置；和錘機構，在打孔位置將打孔 銷錘擊在模台；且將錘機構之輸出軸插入打孔頭，以可朝 模台側取下之方式將打孔銷組裝在輸出軸下端。 且，較佳方式為以可自由調整高度方式將套管壓入打孔 銷，事先（以外部步驟）預先調整從打孔銷端到套管端之尺寸 ，而可準備已預先調整對打孔頭突出長度之備用打孔銷。 再者’亦可使用螺絲組裝套罩，⑮以可用—次操作裝卸之 點看來’ &佳方式為、組裝成可在打孔頭介置以帛性構件取 下套罩為較佳。 【實施方式】 以下根據圖式說明本發明之一實施型態。本實施型態之 打孔裝置係裝備在將積層前（燒結前）柔軟的陶瓷綠帶當作 加工件而打孔加工《打孔機。該打孔機為了可形成精細的 通孔印刷（導通印刷），例如構成可在15〇 mmxi5〇瓜❿之加 工件以土〇·〇1 mm之節距精確度且以鐘打開卿孔之高 速度，打孔數萬個0.05至0.2mm孔徑之通孔。 C:\2002\84304.doc 200305489 如圖1及圖2所示，打孔機之機體丨上部形成有藉由蓋q關 閉之加工皇2，加工室2底部水平地固定有基座3。基座3上 方裝設有裝載有保持加工件…之保持框Η之加工件台4、在 加工件台4上方將保持框Η運送到前後左右方之平面伺服馬 達5和於平面伺服馬達5與加工件台4之間在加工件w開設通 孔之打孔裝置6。平面伺服馬達5包含上面排列有多數永久 磁鐵之固足部5a，和下面配設有複數磁鐵之可動部5b。 打孔裝置6在加工件W所位在之加工件配設空間上側具備 打孔組具7，在加工件…所位在之加工件配設空間下側具備 模口組具8。打孔組具7將基座3之上方裝設在朝左右延伸之 框9上。模台組具8構成將模台基座1〇裝設在基座3上，將模 台保持件11裝設在模台基座1〇，將3個模台12保持在模台保 持件11 ’將碎片（打孔屑）吸引軟管13連接在模台12。 如圖3所示，在與模台保持件u相對之位置，模台組具7 之框9固定有打孔基座21，打孔基座21以可自由升降方式支 持有3個打孔頭22。框9上方介置以托架23並設有3個氣筒24 ，該活塞桿24a介置以連接件25及連結板26而連結在打孔頭 22。氣筒24係用於升降打孔頭22之作動器，形成在活塞桿 24a伸長時使打孔頭22下降到接近模台12之打孔位置，在活 塞桿24a收縮時使打孔頭22上升到從模台12離開之待機位置。 如圖4所示，打孔頭22裝設有和模台12協動而將加工件… 打孔之打孔銷28，連結板26裝設有用於將打孔銷28錘擊在 模台12之錘機構29。錘機構29具備逆V字形之錘基座3〇，該 頭部30a以複數螺栓3丨固定在連結板26，頭部3〇a介置以薄壁 C:\2002\84304.doc 200305489 之頸部30b而以可彈性變形方式連結有一對腳部3〇c。頭部 3〇a裝設有一對壓電元件32，該下端介置以連結部3〇d連結在 腳部30c。 ° 腳部30c下端藉由板簧33支持有錘34，錘34介置以支撐桿 35連結有中空形之輸出軸36。輸出軸刊介置以上下—對套 筒22A而以可上下自由滑動方式插入打孔頭22,打孔銷28藉 由固足螺絲37而以可朝模台12侧取下之方式組裝在輸出軸 36下端。然後，打孔頭22之打孔位置形成藉由通電使壓電 元件32朝上下方向伸縮而開閉腳部3〇c，搖動板簧33而上下 震動錘34,使打孔銷28錘擊（意即插入模台12之對應孔）在模 台1 2而將加工件W打孔。 如圖5及圖6所示，打孔頭22之下端小徑部22a覆蓋有用於 銷脫離時阻止加工件w(板件）滑脫之套罩39，打孔頭22配設 在打孔位置時，該套罩39接近模台12而在與模台12之間形 成細缝G，而形成阻止加工件w滑脫。套罩39之複數周壁溝 39a分別收容有板簧4〇，該下端以筒形定位件41保持在套罩 39。板簧40上端卡止在打孔頭22之缺口 2 2b，套罩39介置以 當作彈性構件之板簧4〇而以可朝模台12側取下之方式組裝 在打孔頭22。 套管43藉由壓入而以可自由調整高度方式插設在打孔銷 28’且藉由將套管43上端面抵接在輸出軸36下端面之方式 ’形成使打孔銷28可以特定之突出長度L(銷部28&下端為較 套罩39下端略微位於上側而收容在低壁孔39b之長度）組裝 在打孔頭22。然後，在機外使用如圖7所示之治具料將套管 C:\2002\84304 doc -10- 200305489 43插设在備用之打孔銷28。治具44裝設有保持套管43之保 持部45、將打孔銷28壓入套管43之把手46和測定打孔銷28 之突出長度L之千分尺47。 如圖3所tf，打孔組具7之框9以下垂狀固定有左右2支撞 桿15，基座3立設有用於引導撞桿15升降之筒形導件“。基 座3下侧介置以托架14而垂直地裝設有當作使打孔組具7上 升之上升手段之氣琦17，桿件18藉由軸19而以可上下搖動 方式支持在該左右兩側。桿件18内端介置以接頭2〇而結合 在氣筒17之活塞桿17a，桿件18外端連結在撞桿15之下端缺 口部 15 a。 然後，打孔裝置6平常運轉時，打孔組具7介置以導件i 6 配設在接近打孔組具8之常態位置。打孔組具8之常態位置 係撞桿15之上端粗徑部抵接定位於導件16上端，依據該位 置而設定上述細缝G之大小。然後，可藉由交換介置在撞桿 15上端粗徑部和導件16上端之間的墊圈（省略圖示）而變更 該細缝G之大小。在該狀態作動對應於適合打孔之孔的打孔 頭2 2之氣甸2 4，使打孔頭2 2如圖3所示下降到接近模台12之 位置，而在該狀態進行打孔作業。且，交換打孔銷28時， 推下氣筒17之活塞桿17a，介置以桿件18及撞桿15使框9上升 ，打孔組具7配設在該下側可裝卸打孔銷28及套罩39之銷交 換位置（圖3之鎖線位置）。然後，打孔基座21裝設有左右一 對定芯孔48，組裝時形成通過定芯銷而插入模台丨丨之定芯孔。 因而，本實施型態之打孔裝置6可獲得如以下之作用效果。 U)由於將打孔組合7上升到銷交換位置，而裝卸套罩39及 C\2002\84304.doc -11 - 200305489 打孔銷28，因此不須取下打孔頭22即可在短時間將不良的 打孔銷28交換成備用之打孔銷28。 (b) 由於父換打孔銷28時不取下打孔基座21，因此交換後 之打孔銷28和模台12形成同芯而不須再度芯對中，可縮短 損耗時間。 (c) 由於套管43以可自由調整高度方式插設在打孔銷28， 因此可在機外預先正確地調整打孔銷28之突出長度L，而不 須在機内調整打孔銷28之高度，可縮短損耗時間。 (d) 利用板簧40之彈性，可以一次操作在打孔頭22裝卸套 罩39。 (e) 由於在將打孔頭22配設於接近模台12之打孔位置的狀 態，藉由錘機構29驅動打孔銷28，因此可縮短打孔銷“之 升降行程，短時間在加工件w開設多數孔。 (f) 此時’套罩39在可移送加工件w之範圍内儘量接近模台 12而形成細縫G，使打孔銷28脫離加工件…時，可阻止加工 件w滑脫（隨著打孔銷28滑脫）’而開設高精確度之通孔。 (S)且，由於使用壓電元件32當作錘機構29之驅動源，因 此高速地驅動打孔銷28 ’提高打孔能率，同時可對應加工 件w之厚度而容易地變更打孔銷28之升降行程。^Sheet) or a perforated device for making holes in a plate-shaped machined part such as a film for a flexible substrate. [Prior art] According to this type of punching device, when the punching pin is worn, broken, or the hole diameter is changed, the punching pin must be exchanged. Then, the pins are also exchanged when changing the aperture. When this pin was exchanged, as previously disclosed in Japanese Patent Application Laid-Open No. 11-254395 or Japanese Patent Application Laid-Open No. 2000-108088, the punching assembly and the Π punching head were removed from the body of the punching device, and the punching was exchanged outside the machine. After the pin is installed, install the punching kit on the handlebar, 4 cars, adjust the height of the punching pin, center the punching pin and the core of the die, and restart the operation after checking and confirming. Therefore, according to the previous punching device, not only the exchange of punching pins takes time, the loss time is longer, the operating rate is reduced, but also there are problems in loading and unloading heavy punching equipment. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a punching device, which can easily and quickly exchange punching pins without removing the punching head. In order to solve the above-mentioned problem, the punching device of the present invention is characterized in that a punching assembly is installed on the upper side of the processing part arrangement space where the plate-shaped processing part is located, and a die set is installed on the lower side of the processing part. The die set is equipped with a die set, and the punching set is equipped with a punching head. The punching heads can be detached toward the die set side, respectively. Punch pin for punching, and C: \ 2002 \ 84304.doc 200305489 A cover which is close to the die table when punching and prevents the work piece from slipping off when the pin is disengaged, and is equipped with a rising means, which is a punching group The tool is raised to the pin exchange position where the punching pin and the cover can be mounted and dismounted. Here, the driving method of the punching pin can adopt the method of integrally driving the punching pin and the punching head, but in order to open a large number of holes in the processed part in a short time, the preferred method is to arrange the punching head near the processed part. , Lightweight punching pin or output shaft driven with short stroke. The punching device adopting this method, the punching assembly is configured with an actuator, which lifts the punching head to a punching position close to the die table and a standby position away from the die table; and a hammer mechanism at the punching position Hammer the punching pin on the die table; insert the output shaft of the hammer mechanism into the punching head, and assemble the punching pin on the lower end of the output shaft in such a way that it can be removed toward the die table side. Moreover, the preferred method is to press the sleeve into the punching pin in a way that can be adjusted freely, and adjust the size from the end of the punching pin to the end of the sleeve in advance (in an external step), and it is possible to prepare a preset adjustment for the punching. Spare punching pin with protruding head length. Furthermore, the cover can also be assembled by using screws, and it is better to assemble and disassemble the cover by using a flexible member in the punching head. [Embodiment] An embodiment of the present invention will be described below with reference to the drawings. The punching device of this embodiment is equipped with a flexible ceramic green belt before lamination (before sintering) as a processing part for punching processing (a punching machine). In order to form a fine through-hole printing (conductive printing), the punch can be used to form a workpiece that can be processed at a distance of 15 mm × 50 mm with a pitch accuracy of ± 0.01 mm and the height of the hole can be opened by a bell. Speed, punch tens of thousands of through holes with a diameter of 0.05 to 0.2mm. C: \ 2002 \ 84304.doc 200305489 As shown in Fig. 1 and Fig. 2, the upper part of the punching machine body 丨 is formed with the processing king 2 closed by the cover q, and the bottom of the processing room 2 is horizontally fixed with the base 3. Above the base 3 is mounted a processing part table 4 with a holding frame Η for holding processing pieces, and the plane servo motor 5 which transports the holding frame 前后 to the front, back, left, and right above the processing part table 4, and the plane servo motor 5 and A through-hole punching device 6 is provided between the work piece tables 4 in the work piece w. The flat servo motor 5 includes a fixed foot portion 5a on which a plurality of permanent magnets are arranged on the upper surface, and a movable portion 5b on which a plurality of magnets are provided on the lower surface. The punching device 6 is provided with a punching set 7 on the upper side of the work piece arrangement space where the work piece W is located, and a die set 8 on the lower side of the work piece arrangement space where the work piece ... is located. The punching assembly 7 is installed above the base 3 on a frame 9 extending to the left and right. The die set 8 is configured to mount the die base 10 on the base 3, install the die holder 11 on the die base 10, and hold the three die 12 on the die holder 11 'A chip (punch chip) suction hose 13 is connected to the die table 12. As shown in FIG. 3, at a position opposite to the die holder u, the frame 9 of the die set 7 is fixed with a punching base 21, and the punching base 21 supports three punching heads in a freely liftable manner. twenty two. A bracket 23 is provided above the frame 9 and three air cylinders 24 are provided. The piston rod 24a is connected to the punching head 22 by a connecting member 25 and a connecting plate 26. The air cylinder 24 is an actuator for raising and lowering the punching head 22, and is formed to lower the punching head 22 to a position close to the punching table 12 when the piston rod 24a is extended, and raise the punching head 22 to Standby position away from the die table 12. As shown in FIG. 4, the punching head 22 is provided with a punching pin 28 for cooperating with the die table 12, and the connecting plate 26 is provided with a punching pin 28 for hammering the punching pin 28 on the die table 12. Hammer mechanism 29. The hammer mechanism 29 is provided with an inverted V-shaped hammer base 30. The head 30a is fixed to the connecting plate 26 with a plurality of bolts 3 丨, and the head 30a is interposed with a thin-walled C: \ 2002 \ 84304.doc 200305489 neck The pair of leg portions 30c is coupled to the portion 30b in an elastically deformable manner. The head portion 30a is provided with a pair of piezoelectric elements 32, and the lower end is connected to the leg portion 30c via a connection portion 30d. A hammer 34 is supported at the lower end of the leg portion 30c by a leaf spring 33, and a hollow output shaft 36 is connected to the hammer 34 via a support rod 35. The output shaft is placed above and below—the sleeve 22A is inserted into the punching head 22 in a freely sliding manner, and the punching pin 28 is assembled on the output by means of a set screw 37 so that it can be removed toward the die table 12 side. The lower end of the shaft 36. Then, the punching position of the punching head 22 is formed by opening and closing the foot portion 30c by energizing the piezoelectric element 32 to expand and contract in the up-down direction, shaking the plate spring 33 to shake the hammer 34 up and down, and causing the punching pin 28 to hit (notice) That is, insert the corresponding hole in the die table 12) to punch the machined part W in the die table 12. As shown in FIGS. 5 and 6, the small-diameter portion 22 a at the lower end of the punching head 22 is covered with a cover 39 for preventing the work piece w (plate) from slipping off when the pin is detached, and the punching head 22 is arranged at the punching position. At this time, the cover 39 approaches the die table 12 to form a slit G between the die cover 12 and the work piece w to prevent slipping off. A plurality of peripheral wall grooves 39a of the cover 39 respectively contain leaf springs 40, and the lower ends are held in the cover 39 by a cylindrical positioning member 41. The upper end of the plate spring 40 is locked in the notch 2 2b of the punching head 22, and the cover 39 is inserted into the punching head 22 so that the leaf spring 40 serving as an elastic member can be removed toward the die 12 side. The sleeve 43 is inserted into the punching pin 28 ′ in a height-adjustable manner by press-fitting, and is formed by pressing the upper end surface of the sleeve 43 against the lower end surface of the output shaft 36 so that the punching pin 28 can be specified. The protruding length L (the lower end of the pin portion 28 & is slightly longer than the lower end of the cover 39 and is accommodated in the low wall hole 39b) is assembled in the punching head 22. Then, using the jig material shown in Figure 7 outside the machine, insert the sleeve C: \ 2002 \ 84304 doc -10- 200305489 43 into the spare punching pin 28. The jig 44 is provided with a holding portion 45 that holds the sleeve 43, a handle 46 that presses the punching pin 28 into the sleeve 43, and a micrometer 47 that measures the protruding length L of the punching pin 28. As shown in tf in FIG. 3, the left and right two striker rods 15 are fixed vertically in the frame 9 of the punching assembly 7. The base 3 is provided with a cylindrical guide for guiding the lifter 15 to rise and fall. The lower side of the base 3 The brackets 14 are used to vertically mount the gas chi 17, which is a rising means for raising the punching assembly 7, and the lever 18 is supported on the left and right sides by the shaft 19 in a swingable manner. The inner end of the member 18 is connected to the piston rod 17a of the air cylinder 17 through a joint 20, and the outer end of the rod member 18 is connected to the notch portion 15a of the lower end of the striker 15. Then, when the punching device 6 is normally operated, the punching group The tool 7 is interposed with the guide member i 6 and is arranged near the normal position of the punching tool set 8. The normal position of the punching tool set 8 is that the upper diameter portion of the upper end of the impact rod 15 is abutted and positioned at the upper end of the guide member 16 according to this The size of the fine slit G is set at the position. Then, the size of the fine slit G can be changed by exchanging a washer (not shown) interposed between the upper diameter portion of the striker 15 and the upper end of the guide 16. The operation in this state corresponds to the gas head 2 4 of the punch head 2 2 suitable for punching, so that the punch head 2 2 is lowered to a position close to the die table 12 as shown in FIG. The punching operation is performed in the state. When the punching pin 28 is exchanged, the piston rod 17a of the gas cylinder 17 is pushed down, and the rod 9 and the striker 15 are interposed to raise the frame 9. The punching assembly 7 is arranged on the lower side. The pin exchange position of the punching pin 28 and the cover 39 can be attached and detached (the thread-locking position in FIG. 3). Then, the punching base 21 is provided with a pair of left and right fixed core holes 48, which are inserted into the die through the fixed core pin during assembly. The core hole of the platform 丨 丨. Therefore, the punching device 6 of this embodiment can obtain the following effects. U) As the punching combination 7 is raised to the pin exchange position, the mounting cover 39 and C \ 2002 \ 84304.doc -11-200305489 Punch pin 28, so you do n’t need to remove the punch head 22 to exchange the bad pin 28 for a spare pin 28 in a short time. (B) Because the parent changed When the pin 28 is not removed, the punching base 21 is not removed, so the replaced pin 28 and the die table 12 form the same core without re-centering the core, which can shorten the loss time. (C) Since the sleeve 43 is The height adjustment method is inserted into the punching pin 28, so the protruding length L of the punching pin 28 can be adjusted correctly outside the machine in advance, without having to adjust it inside the machine The height of the pin 28 can shorten the loss time. (D) The elasticity of the leaf spring 40 can be used to install and remove the cover 39 on the punching head 22 at one time. (E) Because the punching head 22 is arranged near the die table In the state of the punching position of 12, the punching pin 28 is driven by the hammer mechanism 29, so the lifting stroke of the punching pin can be shortened, and a large number of holes can be opened in the workpiece w in a short time. (f) At this time, when the cover 39 is as close as possible to the die table 12 within the range in which the workpiece w can be transferred to form the slit G, and the punching pin 28 is separated from the workpiece ..., the workpiece w can be prevented from slipping off (with Punch pin 28 slips off) 'and opens a high-precision through hole. (S) In addition, since the piezoelectric element 32 is used as the driving source of the hammer mechanism 29, the punching pin 28 is driven at a high speed to increase the punching energy rate, and the punching pin 28 can be easily changed according to the thickness of the workpiece w. Lifting stroke. ^
()由於以平面伺服馬達之可動部移動加工件之保持框， 因此可縮小用於移動加王件之可動構件之質量，而合 精確度高速定位’提高打孔精確度和打孔能力。 N 然後，本發明並非限定於上述實施型態者，例如 述例示’纟不超出本發明意旨之範圍，可適當地變更實: C:\2002\84304.doc -12- 200305489 各部之形狀以及構成。 (1) 適當地增減打孔頭22及模台12之數量。 (2) 使用馬達當作錘機構29之驅動源，藉由馬達且介置以 助震器驅動打孔銷2 8。 (3) 使用由馬達和齒條式小齒輪所構成之機構，當作打孔 組具7之上升手段。 (4) 藉由螺絲而以可自由調整高度方式將套管卿設在打 孔銷28。 (5) 使本發明《打孔裝置適用於可f曲基板用膜或金屬箱 等，綠帶以外之各種板形加工件之打孔加工。 如以上詳述之本發明之—實施型態，由於可以朝模台侧 取下之方式將打孔銷和套罩組裝在打孔頭，且裝設有將打 孔組具上升到銷交換位置之上升手段，因此不須取下打孔 頭即可達成簡單且迅速地交換打孔銷之優良效果。 本發明之另—實施型態由於可藉由錘機構在打孔頭之打 孔位置驅動打孔銷’因此具有可縮短打孔銷之升降行程， 短時間在加工件開設多數孔之效果。 本發明之另—實施型態由於可預先將套管以可自由調整 高度方式壓入打孔銷’而預先調整打孔銷和套管，因此不 須在機内調整打孔銷之高度，具有可縮短損耗時間之效果。 本發明之另—實施型態由^可介置以彈性構件將套罩板 裝在打孔頭，因此具有可以一次操作裝卸套罩之效果。 【圖式簡單說明】 圖1係裝備有本發明之打孔裝置之打孔機側视圖。 C-\2002\84304 doc • 13 - 200305489 圖2係該打孔機之平面圖。 圖3表示打孔裝置之一實施型態之圖2的A-A線剖面圖。 圖4表示打孔裝置之錘機構之圖3的B-B線剖面圖。 圖5表示打孔裝置之打孔銷及套罩的組裝構造之圖4之 C_C線剖面圖。 圖6表示打孔銷及套罩取下型態之剖面圖。 圖7係調整打孔銷突出長度之治具之前視圖。 圖式代表符號說明 1 機體 2 加工室 3 基座 4 加工件台 5 伺服馬達 5a 固定部 5b 可動部 6 打孔裝置 7 打孔組具 8 模台組具 9 框 10 模台基座 11 模台保持件 12 模台 13 吸引軟管 14、23 托架 C.\2002\84304.doc -14- 200305489 15 攆桿 15a 缺口部 16 導件 17、24 氣筒 17a 、 24a 活塞桿 18 桿件 19 車由 20 接頭 21 打孔基座 22 打孔頭 22A 套筒 22a 小徑部 22b 缺口 25 連接件 26 連結板 28 打孔销 28a 銷部 29 錘機構 30 錘基座 30a 頭部 30b 頸部 30c 腳部 30d 連結部 31 螺栓() Since the holding frame of the machined part is moved by the movable part of the plane servo motor, the mass of the movable member used for moving the king piece can be reduced, and the high-precision positioning can improve the drilling accuracy and drilling ability. N Then, the present invention is not limited to the above-mentioned implementation types. For example, the description exemplifies that “纟 does not exceed the scope of the present invention, and can be appropriately changed: C: \ 2002 \ 84304.doc -12- 200305489 The shape and structure of each part . (1) Increase or decrease the number of punching heads 22 and die tables 12 as appropriate. (2) A motor is used as the driving source of the hammer mechanism 29, and the punching pin 28 is driven by the motor and the shock absorber. (3) Use a mechanism composed of a motor and a rack-and-pinion pinion as the lifting means for the punching assembly 7. (4) The sleeve is set on the punching pin 28 in a freely adjustable height by a screw. (5) The present invention makes the "hole punching device applicable to punching processing of various plate-shaped processed parts other than green belts, such as films for flexible substrates, metal boxes, and the like. As described in the above-implemented embodiment of the present invention, since the punching pin and the cover can be assembled on the punching head in a manner that can be removed toward the die table side, the punching assembly is installed to rise to the pin exchange position. As a means of raising, it is not necessary to remove the punching head to achieve the excellent effect of simply and quickly exchanging punching pins. In another embodiment of the present invention, since the punching pin can be driven by the hammer mechanism at the punching position of the punching head, the lifting stroke of the punching pin can be shortened, and a large number of holes can be opened in the processed part in a short time. Another embodiment of the present invention is that the punching pin and the sleeve can be adjusted in advance because the sleeve can be pressed into the punching pin in a way that the height can be adjusted freely. Therefore, it is not necessary to adjust the height of the punching pin in the machine. The effect of shortening the loss time. According to another embodiment of the present invention, the cover plate can be mounted on the punching head with an elastic member interposed therebetween, so it has the effect that the cover can be mounted and dismounted at one time. [Brief Description of the Drawings] Figure 1 is a side view of a punching machine equipped with a punching device of the present invention. C- \ 2002 \ 84304 doc • 13-200305489 Figure 2 is a plan view of the puncher. Fig. 3 is a sectional view taken along the line A-A of Fig. 2 showing an embodiment of the punching device. Fig. 4 is a sectional view taken along line B-B in Fig. 3 of a hammer mechanism of the punching device. Fig. 5 is a sectional view taken along the line C-C in Fig. 4 showing the assembly structure of the punching pin and the cover of the punching device. Fig. 6 is a cross-sectional view showing a state in which the punch pin and the cover are removed. Fig. 7 is a front view of a jig for adjusting the protruding length of a punching pin. Description of symbolic symbols 1 Body 2 Processing room 3 Base 4 Workpiece table 5 Servo motor 5a Fixed part 5b Movable part 6 Punch device 7 Punch kit 8 Mold table assembly 9 Frame 10 Mold table base 11 Mold table Holder 12 Mould table 13 Suction hose 14, 23 Bracket C. \ 2002 \ 84304.doc -14- 200305489 15 撵 Rod 15a Notch 16 Guide 17, 24 Air cylinder 17a, 24a Piston rod 18 Rod 19 Car 20 Connector 21 Hole punching base 22 Hole punching head 22A Sleeve 22a Small diameter part 22b Notch 25 Connector 26 Link plate 28 Hole punching pin 28a Pin part 29 Hammer mechanism 30 Hammer base 30a Head 30b Neck 30c Foot 30d Connection 31 bolts
C.\2002\84304.doc -15- 200305489 32 聲電元件 33、40 板簧 34 錘 35 支撐桿 36 輸出軸 37 固定螺絲 39 套罩 39a 周壁溝 39b 低壁溝 41 定位件 43 套管 44 治具 45 保持部 46 把手 47 千分尺 48 定芯孑L G 細缝 H 保持框 L 長度 W 加工件C. \ 2002 \ 84304.doc -15- 200305489 32 Acoustic and electrical components 33, 40 Leaf springs 34 Hammers 35 Support rods 36 Output shafts 37 Fixing screws 39 Covers 39a Peripheral wall grooves 39b Low wall grooves 41 Positioning members 43 Bushings 44 Treatment With 45 holding parts 46 handles 47 micrometers 48 fixed core 孑 LG sew H holding frame L length W machined parts
C.\2002\84304.doc -16-C. \ 2002 \ 84304.doc -16-