1229636 玖、發明說明： 【發明所屬之技術領域】 本發明係有關於一種製造具内沉孔之平板工件之方 法’特别疋利用具有沖壓與切削兩種功能之沖壓連續模來 製造該工件。 【先前技術】 參考圖la及lb，顯示具内沉孔之平板工件之立體圖與 剖視圖，該工件10係為平板狀，其具有一上表面丨1、一 下表面12及一内沉孔13。該内沉孔13係位於該上表面 11，其係為一盲孔而非透孔。該下表面丨2係為一平坦面。 此種工件結構常見於封裝構造中之散熱片，該内沉孔13 係用以覆蓋住w，而該下表面12㈣封裝製程後增加 散熱效果。 參考圖2a至2e，顯示f用製造具内沉孔之平板工件： 示意圖。該習用方法係利用沖壓模之沖頭2g將n 出-透孔24後，再於黏合裝置於該透孔心 : 工件26而成，1中，兮它 ’口力 〆、中該另一工件26之大小與該工件2 大約相同，其厚度與工件22之厚度兩者可 比例。此種製造方式之缺 成斤而 & 卜义肩技入一倍以上之言 備與人力成本，且材料成本增加、生產效率降 必須增加後續接合之工 卜 上。 在整體成本上至少提高3倍c 〜峨具内沉孔之平板工件之方 milling)，然而因為 為矣 、内，儿孔之平板工件之厚度这 1229636 為1.2mm左右，在銑削機上之挾持十分困難，而且銑削 之加工成本比沖壓更高，因此所製造出的產品在價格上不 具競爭力。 因此，有必要提供一創新且富進步性的沖壓連續模與製 造方法，以解決上述問題。 【發明内容】 本發明之主要目的係於沖壓連續模中結合胚料移除之 工法’以-體成形方式形成f用沖壓法難以成形之具内沉 孔零件，而達成降低生產成本及提高加工效率等優點。 本發明之另-目的係提供一種製造具内沉孔之平板工 件之方法，包括： U)提供一工件，其具有一上表面及一下表面； (b)利用一沖壓連續模之一沖頭沖壓該工件之上表面， 使3工件之下表面具有_與該沖頭之剖面外型相對應之 突出胚料；及 ⑷利用-頂抵沖頭頂抵該工件之上表面，在該頂抵沖 頭未離開該工件之情況下’利用一切削機構移除該突出胚 料’使該工件之下表面形成一平坦面。 本發明之另一目的係提供一種沖壓連續模，至少包括一 沖頭及一切削機構。該沖頭係用以沖壓一工件之上表面， 使該工件之下表面具有—與該沖頭之剖面外型相對應之 突出胚料。 該切削機構係’包括：一控制模組、—動力提供裝置、 -驅動裝置及-刀|承座。該動力提供裳置係接受該控制 1229636 該驅動裝㈣接受該動力提供裝置所提供之 该刀具承座其係由該驅動 切衣置所驅動而朝向或遠離 一於忒工件之下方彺復直線移動，該刀具承座上設有 一刀具’以移除該突出胚料。 【實施方式】 參考圖3’顯示應用於本發明之工件之立體圖。該工件 30係為—長條平板，其上具有複數個待加工區域31。 參考圖4,本發明較佳實施例之沖壓連續模4()包括一 沖頭4 i '至少_頂抵沖頭42,43及至少_切削機構44,45。 孩沖頭係用以沖壓工件3G以形成所需之内沉孔，因此 其剖面外型可以視所欲加工出之内沉孔之形狀而設計。在 本實施例中，該沖壓連續模40包含二頂抵沖頭42,43，分 別為第一頂抵沖頭42及第二頂抵沖頭43，該等頂抵沖頭 42’43之剖面外型係相同於該沖頭4丨，其並無沖壓成型之 功用，僅係用以頂抵工件3〇。當該工件3〇置於該沖壓連 續模40時，每一沖頭41或是頂抵沖頭42,43係對應一待 加工區域3 1。該切削機構44,45係用以切削該工件3〇之 下表面。 同時參考圖5 ’在本實施例中，該沖壓連續模4〇包含 二相同之切削機構44,45。圖5中僅圖示第一切削機構 44，惟第二切削機構45之結構與第一切削機構44相同， 較佳係分別位於每一該頂抵沖頭42,43之下方。以第一切 削機構44為例，其包括：一控制模組441、一動力提供 裝置、一驅動裝置、支撐座444、一刀具承座445及一滑 1229636 動襯板448。 該控制模組441 ^系為一 PLC控制模組，係用以控制刀 具447之速度與行程，另夕卜，該控制模組441 &可以連接 土 d冲恩連績模4G之控制器46，以協調切削機構料與 沖壓連~模4G之作動。該動力提供裝置係為—伺服馬達 442其係接文忒控制模組441之控制。該驅動裝置較佳 為一滾珠螺桿443，其兩端係由該支撐座444所支撐，且 係接受該伺服馬達442所提供之動力而轉動。在本實施例 中，該伺服馬達442係透過一皮帶而帶動該滾珠螺桿 443，然而在其他應用中，該伺服馬達料2係直接帶動該 滾珠螺桿443，此係為熟習此項技藝者所能輕易思及之設 汁選擇。 該刀具承座445係由該滾珠螺桿443所驅動而往復直線 移動，在本實施例中，該刀具承座445係固定於一套設於 該滾珠螺桿443上之滾珠螺桿軸套446之上方。當滾珠螺 桿443轉動時’帶動該滾珠螺桿軸套446作直線移動，以 T動该刀具承座445以朝向或遠離工件3〇且於該工件3〇 之下方作直線移動。 讀刀具承座445上設有一刀具447，以切削該工件30 之下表面。在本實施例中，該刀具447之切削方式係為刨 削’該刀具447之刀背表面係大致平行該工件3〇之表面， 且該刀具447之刀背表面稍微接觸該工件之表面30。 邊滑動襯板448係固設於支撐座444上，其與該滾珠螺 桿轴套446之未與刀具承座445相連結之另一端相接觸， 1229636 以導引該滾珠螺桿㈣446 質m f Μ 4^ 違a動襯板448之奸 貝通*與_珠螺桿軸套44 之材 力。 小以減少兩者間之摩擦 參考圖6a至圖6f，顯示根據本發 板工杜夕士、+ — 衣&具'内》儿孔之平 >之示意圖。請同時配合圖4， 下步驟： 4方法包括以 多考圖6a，首先，提供一工件30，苴呈有 及一下矣而^ ，、具有一上表面32 表面33，该工件3〇上具有複 、 中僅以一 ϋ 4 寺加工區域，圖 Τ僅以一待加工區域3 1為例。 愿=W 之沖頭41沖 堡該待加工區域31之上表面”，使該待加工區域31之 下表面33具有一與該沖頭41之剖面外型相對應之突出胚 料34。 •參考圖6e，之後，移動該工件3G，使於上—個步驟沖 壓後之待加工區域3丨位於該沖壓連續模4〇之第一頂抵沖 頭42下方。再利用該第_頂抵沖頭42頂抵該待加工區域 31之上表面32。且在該第一頂抵沖頭42未離開該待加工 區域31之情況下，利用一第一切削機構料之刀具料了移 除該突出胚料34之至少一部分。 參考圖6d，接著，移動該工件30,使於上一個步驟加 工後之待加工區域3 1位於該沖壓連續模4〇之第二頂抵沖 頭43下方，該第二頂抵沖頭43之剖面外型係相同於該沖 頭41。再利用該第二頂抵沖頭43頂抵該待加工區域η 之上表面3 2。 !229636 ’：圖〜，在該第二頂抵沖頭43未離開該待加工區域 ^月况下，利用第二切削機構45之刀具457進一牛轉 除該突出胚料3 4。 夕 參考圖 ~平坦面 3 3形成 最後即可該待加工區域3 1之下表面 ’以製得一具内沉孔之平板工件。 在本實施射，王件3〇係透過：切削機構44,45而經 歷—道切削製程’這是因應内沉孔之深度較大之情況。然 而在其他應用中，如果内沉孔之深度較小時，工件僅需經 由-道切削製程，亦即僅需一組沖頭、頂抵沖頭及 構即可。此加工方方法如下所述： 則機 首先，提供一工件，其具有一上表面及一下表面。 接著，利用一沖壓連續模之一沖頭沖壓該工件之上表 面，使孩工件之下表面具有一與該沖頭之剖面外型相對 應之突出胚料。 之後，利用一頂抵沖頭頂抵該工件之上表面，在該頂抵 沖頭未離開該工件之情況下，利用一切削機構移除該突出 胚料’使該工件之下表面形成一平坦面。 上述實施例僅為說明本發明之原理及其功效，並非限制 本發明。因此習於此技術之人士對上述實施例進行修改及 變化仍不脫本發明之精神。本發明之權利範圍應如後述之 申請專利範圍所列。 【圖式簡單說明】 圖1 a顯示具内沉孔之平板工件之立體示意圖； 圖lb顯示具内沉孔之平板工件之剖視圖； 1229636 圖2a至2c顯示習用製造具内沉孔之平板工件之示意 圖； 圖3顯示應用於本發明之工件之立體圖； 圖4顯示根據本發明較佳實施例之沖壓連續模之立體 不意圖， 圖5顯示根據本發明較佳實施例中切削機構之側視示 意圖；及 圖6a至6f顯示根據本發明製造具内沉孔之平板工件之 方法之示意圖。 【圖式元件符號說明】 10工件 11上表面 12下表面 13 内沉孔 20沖頭 22工件 24透孔 26另一工件 30工件 31 ^寺加工區域 32上表面 33下表面 34突出胚料 4 0沖壓:連續模 1229636 41沖頭 42第一頂抵沖頭 43第二頂抵沖頭 44第一切削機構 441控制模組 442伺服馬達 443滾珠螺桿 444支撐座 445刀具承座 446滾珠螺桿軸套 447刀具 448滑動襯板 45第二切削機構 457刀具 46控制器1229636 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a method of manufacturing a flat plate workpiece having a countersink hole. In particular, it uses a stamping continuous die having two functions of punching and cutting to manufacture the workpiece. [Prior art] Referring to Figs. 1a and 1b, a perspective view and a cross-sectional view of a flat plate workpiece with an internal counterbore are shown. The workpiece 10 is flat and has an upper surface 丨 1, a lower surface 12 and an internal counterbore 13. The counterbored hole 13 is located on the upper surface 11 and is a blind hole rather than a through hole. The lower surface 2 is a flat surface. Such a workpiece structure is commonly used in a heat sink in a packaging structure. The internal counterbore 13 is used to cover w, and the lower surface 12㈣ increases the heat dissipation effect after the packaging process. Referring to Figs. 2a to 2e, there is shown a flat workpiece having a counterbore in a manufacturing tool for f: Schematic. The conventional method is to use the punch 2g of the stamping die to take n out of the through-hole 24, and then bond the device to the through-hole center: a workpiece 26, 1 of which, it ’s mouth force, and the other workpiece The size of 26 is approximately the same as that of the workpiece 2, and the thickness thereof is proportional to the thickness of the workpiece 22. The shortage of this manufacturing method is more than double the amount of equipment and labor costs, and the increase in material costs and production efficiency must increase the subsequent joint work. The overall cost is increased by at least 3 times (c ~ milling of flat workpieces with internal countersinks), but because of the thickness of the flat workpieces with inner holes and inner holes, the 1229636 is about 1.2mm, which is supported on the milling machine. It is very difficult, and the processing cost of milling is higher than that of stamping, so the products manufactured are not competitive in price. Therefore, it is necessary to provide an innovative and progressive stamping continuous die and manufacturing method to solve the above problems. [Summary of the Invention] The main purpose of the present invention is to combine the method of removing blanks in a stamping continuous die by forming the body with a counterbore that is difficult to form by the stamping method in a -body forming method, so as to reduce production costs and improve processing. Efficiency and other advantages. Another object of the present invention is to provide a method for manufacturing a flat workpiece with an internal counterbore, including: U) providing a workpiece having an upper surface and a lower surface; (b) punching using a punch of a punching continuous die The upper surface of the workpiece, so that the lower surface of 3 workpieces has a protruding billet corresponding to the cross-sectional shape of the punch; and-using the abutting punch to abut the upper surface of the workpiece, and abutting the punch at the top Without removing the workpiece, 'remove the protruding blank with a cutting mechanism', the lower surface of the workpiece forms a flat surface. Another object of the present invention is to provide a continuous stamping die including at least a punch and a cutting mechanism. The punch is used to punch the upper surface of a workpiece so that the lower surface of the workpiece has a protruding blank corresponding to the cross-sectional shape of the punch. The cutting mechanism system includes a control module, a power supply device, a driving device, and a knife holder. The power supply device accepts the control 1229636. The driving device accepts the tool holder provided by the power supply device. It is driven by the driving cutting device and moves in a straight line toward or away from below the workpiece. A cutter 'is provided on the cutter holder to remove the protruding blank. [Embodiment] Referring to FIG. 3 ', a perspective view of a workpiece applied to the present invention is shown. The workpiece 30 is a long flat plate having a plurality of areas 31 to be processed. Referring to FIG. 4, a punching continuous die 4 () according to a preferred embodiment of the present invention includes a punch 4 i ′ at least _ abutting against the punches 42, 43 and at least _ cutting mechanisms 44, 45. The punch is used to punch the workpiece 3G to form the required countersink, so its cross-sectional shape can be designed according to the shape of the countersink to be processed. In this embodiment, the punching continuous die 40 includes two abutment heads 42 and 43, which are a first abutment head 42 and a second abutment head 43, respectively, and the cross-sections of the abutment heads 42 ′ 43. The shape is the same as the punch 4 丨. It does not have the function of pressing and forming, but is only used to abut the workpiece 30. When the workpiece 30 is placed in the punching continuous die 40, each of the punches 41 or abutting punches 42, 43 corresponds to a region to be processed 31. The cutting mechanisms 44, 45 are used to cut the lower surface of the workpiece 30. Referring also to FIG. 5 ', in this embodiment, the stamping continuous die 40 includes two identical cutting mechanisms 44,45. Only the first cutting mechanism 44 is shown in FIG. 5, but the structure of the second cutting mechanism 45 is the same as that of the first cutting mechanism 44, and is preferably located below each of the abutting punches 42, 43. Taking the first cutting mechanism 44 as an example, it includes: a control module 441, a power supply device, a driving device, a support base 444, a cutter base 445, and a sliding 1229636 moving liner 448. The control module 441 is a PLC control module, which is used to control the speed and stroke of the tool 447. In addition, the control module 441 can be connected to the controller 46 of the 4G model 4G. In order to coordinate the movement of the cutting mechanism material and the punching die to the die 4G. The power supply device is a servo motor 442, which is controlled by the control unit 441. The driving device is preferably a ball screw 443, both ends of which are supported by the support base 444, and rotate by receiving the power provided by the servo motor 442. In this embodiment, the servo motor 442 drives the ball screw 443 through a belt. However, in other applications, the servo motor material 2 directly drives the ball screw 443, which is what a person skilled in the art can do. Easily consider the choice of design juice. The tool holder 445 is driven by the ball screw 443 to reciprocate linearly. In this embodiment, the tool holder 445 is fixed above a ball screw sleeve 446 provided on the ball screw 443. When the ball screw 443 rotates, the ball screw shaft sleeve 446 is driven to move linearly, and the tool holder 445 is moved to move toward or away from the workpiece 30 and move linearly below the workpiece 30. A cutting tool 447 is provided on the reading tool holder 445 to cut the lower surface of the workpiece 30. In this embodiment, the cutting method of the cutter 447 is planing. The back surface of the cutter 447 is substantially parallel to the surface of the workpiece 30, and the back surface of the cutter 447 slightly contacts the surface 30 of the workpiece. The side sliding liner 448 is fixed on the support seat 444 and is in contact with the other end of the ball screw shaft sleeve 446 which is not connected to the tool seat 445. 1229636 guides the ball screw ㈣446 mass mf Μ 4 ^ Violation of a moving lining plate 448 of Beitong * and _bead screw bushing 44 material strength. In order to reduce the friction between the two, referring to Fig. 6a to Fig. 6f, there is shown a schematic view of Du Xishi, + — clothing & Please cooperate with Figure 4 at the same time. The following steps: 4 methods include multiple examinations of Figure 6a. First, a workpiece 30 is provided. The workpiece 30 has an upper surface 32 and a surface 33, and the workpiece 30 has a copy. In China, only a 4 temple processing area is used, and the figure T only uses a to-be-processed area 31 as an example. Wish = the punch 41 of W punches the upper surface of the region 31 to be processed ", so that the lower surface 33 of the region 31 to be processed has a protruding blank 34 corresponding to the cross-sectional shape of the punch 41. • Reference Fig. 6e, after that, the workpiece 3G is moved so that the area to be processed 3 punched in the last step is located below the first punch 42 of the punching continuous die 40. The _ punch 42 abuts the upper surface 32 of the area to be processed 31. When the first abutting punch 42 does not leave the area to be processed 31, the protruding embryo is removed by using a cutting material of a first cutting mechanism At least a part of the material 34. Referring to FIG. 6d, the workpiece 30 is moved so that the area to be processed 31 processed in the previous step is located below the second abutment punch 43 of the stamping continuous die 40, and the second The profile shape of the abutting punch 43 is the same as that of the punch 41. The second abutting punch 43 is used to abut against the upper surface 3 2 of the area to be processed η.! 229636 ': Figure ~, in the first The second punching head 43 does not leave the area to be processed. In the case of a month, the tool 457 of the second cutting mechanism 45 is used to advance one. The protruding blank 3 4 is removed. With reference to the figure ~ the flat surface 3 3 is formed, the surface below the area to be processed 3 1 can be formed at the end to obtain a flat workpiece with an internal sinker. In this implementation, the king piece 3〇 through: cutting mechanism 44, 45-through the cutting process' This is due to the situation of the depth of the countersink. However, in other applications, if the depth of the countersink is small, the workpiece only needs to pass -Road cutting process, that is, only a set of punches, punches and structures are required. The processing method is as follows: The machine first provides a workpiece having an upper surface and a lower surface. Next, The upper surface of the workpiece is punched with a punch of a punching continuous die, so that the lower surface of the workpiece has a protruding blank corresponding to the cross-sectional shape of the punch. Then, a punch is used to press against the workpiece. On the upper surface, under the condition that the abutting punch does not leave the workpiece, a protruding mechanism is used to remove the protruding blank to form a flat surface on the lower surface of the workpiece. The above embodiments are merely illustrative of the principle of the present invention. And its effectiveness, not limiting The present invention. Therefore, those skilled in the art can still modify and change the above embodiments without departing from the spirit of the present invention. The scope of the rights of the present invention should be listed in the scope of patent application described later. [Schematic description of the drawings] Figure 1 a Figure 3 shows a three-dimensional schematic view of a flat workpiece with a counterbore; Figure lb shows a cross-sectional view of a plate workpiece with a counterbore; 1229636 Figures 2a to 2c show schematic diagrams of a plate workpiece with a countersink in a conventional manufacturing tool; A perspective view of a workpiece; FIG. 4 is a perspective view of a stamping continuous die according to a preferred embodiment of the present invention; FIG. 5 is a schematic side view of a cutting mechanism according to a preferred embodiment of the present invention; and FIGS. 6a to 6f Schematic diagram of a method for inventing a flat workpiece with a countersink. [Illustration of Symbols of Graphical Elements] 10 Workpiece 11 Upper surface 12 Lower surface 13 Counterbored hole 20 Punch 22 Workpiece 24 Through hole 26 Another workpiece 30 Workpiece 31 ^ Temple processing area 32 Upper surface 33 Lower surface 34 Protruding blank 4 0 Punching: continuous die 1229636 41 punch 42 first top punch 43 second top punch 44 first cutting mechanism 441 control module 442 servo motor 443 ball screw 444 support seat 445 tool socket 446 ball screw bushing 447 Tool 448 Slide liner 45 Second cutting mechanism 457 Tool 46 controller