201217166 六、發明說明： . 【發明所屬之技術領域】 . 本發明疋有關於一種複合材料工件的製造方法，特別 是指一種内埋金屬件之複合材料工件的製造方法。 【先前技術】 現有手機之按鍵或筆記型電腦外殼上的功能鍵，需於 外殼内對應該功能鍵的位置内埋有金屬件，當按下功能鍵 時，可以透過該金屬件與内建之電路板上的接點接觸導通 Φ ’而進行各種功能之操控。 目刖通常是使用複合材料（例如預浸織布層），並於該複 合材料上设置有該金屬件’再配合模具直接進行熱壓合來 製造該外殼，並使該金屬件位於該外殼之預定位置處，由 於複合材料在高溫下會有内部樹脂熔融流動的情形，因此 纟熱壓合過程中可能會因為樹脂熔融流動的關係而發生金 屬件移位的問題，導致熱壓合完成後該功能鍵與金屬件無 法精確對位的問題。 φ 【發明内容】 因此，本發明之目的，即在提供一種可以精確定位的 内埋金屬件之複合材料工件的製造方法。 於是，本發明内埋金屬件之複合材料工 ，包含-第-熱壓步驟，及一第二熱壓步驟。“方法 該第一熱壓步驟是將多層第一預浸織布層對齊聂八， 並熱壓合成-第-複合材料板材，而使至少一個金 位於該第一複合材料板材的預定位置處。 201217166 該第二熱壓步驟是於該第一複合材料板材上疊合多層 第二預浸織布層並進行熱壓合，以將所述第二預浸織布層 與該第一複合材料板材熱壓合成一複合材料工件，而使該 金屬件是被定位包覆於該複合材料工件内。 本發明之功效在於，藉由上述步驟，使該金屬件在熱 壓合的過程中不會移位’而使該金屬件能精確定位於該複 合材料工件内。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之兩個較佳實施例的詳細說明中，將可 清楚的呈現。 在本發明被詳細描述之前，要注意的是，在以下的說 明内容中，類似的元件是以相同的編號來表示。 參閱圖1，為本發明内埋金屬件之複合材料工件的製造 方法之第一較佳實施例，包含一第一熱壓步驟21，及一第 二熱壓步驟22。 參閱圖1、2 ’該第一熱壓步驟21是將多層第一預浸織 布層3對齊疊合，並熱壓合成—第—複合材料板材4,而使 多數個金屬件5定位於該第—複合材料板材4的預定位置 處。 於本實施例中，每m織布層3是形成有多數 個穿孔31 ’而熱壓合成該第-複合材料板材4後，該第一 複合材料板材4上即形成有多數個由所述穿孔31疊合而成 的定位孔4卜所述金屬件5是待該第—複合材料板材4成 201217166 型後’再分別定位於所述定位孔4丨内β 該第二Μ步驟22是於所述第-複合材料板材4之上 . 、下表面疊合多層第二預浸織布層6並進行熱壓合，以將 所述第二預浸織布層6與該第一複合材料板材4熱壓合成 -複合材料工件7，而使所述金屬件5是被定位包覆於該複 合材料工件7内。 要說月的疋’於本實施例中，所述第_預浸織布層3 及第二預浸織布層6皆是《合纖維浸潤於樹脂内而形成 、’其結構與特性為熟知該項技藝者所能輕易理解，不再予 以贅述。所述第—預浸織布層3及第二預浸織布層6可以 選自碳纖維織布、玻璃纖維織布、玄武岩纖維織布，或克 拉纖維織布。另外，於本實施例中是使用多個金屬件5，冬 然也可以視實際需求只使用—個金屬件5,不以此為限。田 、藉由上述步驟，能將所述金屬件5在第-熱|步驟21 的過程中限位於所述定位孔41内，因此確保所述金屬件$ 不會因為所述第—預浸織布層3内熱炫融流動的樹脂而產 生移位現象’而能達成將所述金屬件5精確定位於該第一 複：材料板材4的預定位置，進而精確定位於該 工件7内的效果。 < 付 參閲圖1 ' 3 ’為本發明内埋金屬件之複合材料工件的 製造方法之第二較佳實施例，大致類似前述該第一較佳實 施例，不同之虛Α狄. 议Ί王買· 第該第一熱壓步驟21巾，是將所述 ::預-織布層3對齊疊合於一模具8内，該模㈣具有 λ模81及-母模82，該公模Μ具有多數個對應所述金 201217166 屬件5的凹陷部811，所述第_預浸織層3是疊合於該母模 82内並將所述金屬件5間隔置於所述第一預浸織布層3 上且對應所述凹陷部811的位置之後再進行熱壓合，熱壓合 之後使所述第-預浸織布層3形成該第—複合材料板材4, 並使得所述金屬件5受到所述凹陷部811的限位而定位於該 第-複合材料板材4的預定位置處。接下來成型該複合材 料工件7的方式與第一較佳實施例類似，不再予以資述。 藉此，利用所述凹陷部811達到使所述金屬件5精確定 位於該第-複合材料板材4的狀位置，進而精確定位於 該複合材料工# 7内的效果，並提供另—種實施態樣供使 用者選擇。 綜上所述，本發明利用二次成型的方式成型出該複合 材料工件7’藉此達到將所述金屬件5能精確定位於該複合 材料工件7㈣效果，故確實能達成本發明之目的。 淮以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是一流程圖，說明本發明内埋金屬#之複合材料 工件的製造方法之第一較佳實施例； 圖2是一示意圖，輔助說明圖1;及 圖3是-示意圖，說明本發明内埋金屬件之複合材料 工件的製造方法之第二較佳實施例。 201217166 【主要元件符號說明】 21 第一熱壓步驟 6 第二預浸織布層 22 第二熱壓步驟 7 複合材料工件 3 第一預浸織布層 8 模具 31 穿孔 81 公模 4 第一複合材料板材 811 凹陷部 41 定位孔 82 母模 5 金屬件201217166 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a method of manufacturing a composite workpiece, and more particularly to a method of manufacturing a composite workpiece in which a metal member is embedded. [Prior Art] The function keys on the keys of the existing mobile phone or the notebook computer case need to be embedded with metal parts in the position corresponding to the function keys in the outer casing. When the function key is pressed, the metal parts and the built-in The contacts on the board are in contact with Φ' for various functions. The purpose is usually to use a composite material (for example, a prepreg layer), and the metal member is provided on the composite material, and then the mold is directly thermocompression-bonded to manufacture the outer casing, and the metal member is placed in the outer casing. At the predetermined position, since the composite material has a molten flow of the internal resin at a high temperature, the problem of displacement of the metal member may occur due to the melt flow of the resin during the hot pressing process, resulting in completion of the thermocompression bonding. The problem that the function keys and the metal parts cannot be accurately aligned. φ [ SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a method of manufacturing a composite workpiece in which a buried metal member can be accurately positioned. Thus, the composite material of the embedded metal member of the present invention comprises a - first hot pressing step and a second hot pressing step. "Method The first hot pressing step is to align the plurality of first prepreg layers with Nie Eight and to hot press the composite - the first composite sheet such that at least one gold is located at a predetermined position of the first composite sheet. 201217166 The second hot pressing step is to laminate a plurality of second prepreg layers on the first composite material sheet and perform thermocompression bonding to bond the second prepreg layer to the first composite sheet Hot pressing to synthesize a composite workpiece, so that the metal member is positioned and coated in the composite workpiece. The invention has the effect that the metal member does not move during the thermocompression process by the above steps. The position of the metal member can be accurately positioned in the composite workpiece. [Embodiment] The foregoing and other technical contents, features and effects of the present invention are described in detail below with reference to two preferred embodiments of the drawings. In the description, the present invention will be clearly described. In the following description, similar elements are denoted by the same reference numerals. A first preferred embodiment of a method of manufacturing a composite workpiece of a buried metal member includes a first hot pressing step 21 and a second hot pressing step 22. Referring to Figures 1, 2 'the first hot pressing step 21 is The plurality of first prepreg layers 3 are aligned and laminated, and the composite-first composite sheet 4 is hot-pressed, and a plurality of metal members 5 are positioned at predetermined positions of the first composite sheet 4. In the example, after each m of the woven fabric layer 3 is formed with a plurality of perforations 31' and the composite material sheet 4 is hot-pressed, a plurality of the first composite material sheets 4 are formed by laminating the perforations 31. The positioning hole 4 is formed by the metal member 5 after the first composite material plate 4 is formed into the 201217166 type and then positioned in the positioning hole 4丨, respectively. The second step 22 is in the first a plurality of second prepreg layers 6 are laminated on the lower surface of the composite material sheet 4 and thermally pressed to thermally compress the second prepreg layer 6 and the first composite sheet 4 a composite workpiece 7 such that the metal member 5 is positioned to be wrapped within the composite workpiece 7. In the present embodiment, the first prepreg layer 3 and the second prepreg layer 6 are formed by infiltrating the fibers into the resin, and the structure and characteristics thereof are well known. The first prepreg layer 3 and the second prepreg layer 6 may be selected from carbon fiber woven fabric, glass fiber woven fabric, basalt fiber woven fabric, or In addition, in the present embodiment, a plurality of metal members 5 are used, and in the winter, only one metal member 5 can be used depending on actual needs, and the limitation is not limited thereto. The metal member 5 is confined within the positioning hole 41 during the first heat|step 21, thereby ensuring that the metal piece $ does not flow due to heat and swell in the first prepreg layer 3. The displacement phenomenon of the resin can be achieved by accurately positioning the metal member 5 at a predetermined position of the first composite material sheet 4, thereby accurately positioning the workpiece 7. < Referring to Fig. 1 ' 3 ' is a second preferred embodiment of the method for manufacturing a composite workpiece of the embedded metal member of the present invention, which is substantially similar to the first preferred embodiment described above, and different illusions. The first hot pressing step 21 is to align the pre-woven layer 3 in a mold 8 having a λ mode 81 and a mother die 82. The mold has a plurality of recesses 811 corresponding to the gold 201217166 member 5, the first prepreg layer 3 is superposed on the master mold 82 and the metal member 5 is spaced apart from the first After pre-impregnating the woven fabric layer 3 and corresponding to the position of the recessed portion 811, thermal compression bonding is performed, and after the thermocompression bonding, the first prepreg woven fabric layer 3 is formed into the first composite material sheet 4, and The metal member 5 is positioned at a predetermined position of the first composite material sheet 4 by the restriction of the recess portion 811. The manner in which the composite workpiece 7 is subsequently formed is similar to the first preferred embodiment and will not be described. Thereby, the recessed portion 811 is used to achieve the precise positioning of the metal member 5 at the position of the first composite material plate 4, thereby accurately positioning the composite material in the composite material #7, and providing another implementation. The situation is for the user to choose. In summary, the present invention utilizes the method of overmolding to form the composite workpiece 7' thereby achieving the effect of accurately positioning the metal member 5 on the composite workpiece 7 (4), so that the object of the present invention can be achieved. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention, All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flow chart illustrating a first preferred embodiment of a method of fabricating a composite workpiece of the present invention; FIG. 2 is a schematic view, and FIG. - Schematic diagram showing a second preferred embodiment of the method of manufacturing a composite workpiece of the embedded metal member of the present invention. 201217166 [Major component symbol description] 21 First hot pressing step 6 Second prepreg woven fabric layer 22 Second hot pressing step 7 Composite material workpiece 3 First prepreg woven fabric layer 8 Mold 31 Perforation 81 Male mold 4 First composite Material sheet 811 recessed portion 41 positioning hole 82 female mold 5 metal parts
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