201109100 六、發明說明： 【發明所屬之技術領域】 本發明有關一種金屬殼體成型方法及裝置，特別是有關一種金 屬殼體高壓成型方法及裝置。 【先前技術】 使金屬板、塑膠片材等材料成型已是相當常見的技術，例如成 型為按鍵、電刊費裝置韻及類似者。—般成型方法有沖壓、真 空成型或高壓成型。在對祕延展性低的金驗成型為機殼時，沖 壓成型易造成局部破損傷’產生不良品，須再使用厚烤漆蓋過 傷痕；真空成型的力量不足，成型時不易形成彎折角度，使得導角 曲度過大’稜角稍分明，成型不漂亮。高壓成型_溫度不夠高 及一，麵鮮，摊無法細，歧鱗裂或紐稜角拉扯變 形’知害外觀。或是在更高溫的操作下，耗費成本。 中華民國新型專利第M259701號及中華民國專利公開第 2塑細—鮮郎麵魏似綠，其係先將熱 =:=Γ托架上，使__片在進行成型之前先昇溫軟 、 、吏之夾緊閉合後，藉由高壓氣體供應單元對上模 201109100 或下模充人高魏體，使已昇溫而軟化的熱塑性則觀貼於 側的=具表面而成型者。但是，其所成_材質為具有延展性(熱塑 因此，對於新穎的金屬殼體成型的方法及裝置，仍有所需求 【發明内容】 本發明之-目的是提供一種金屬殼體高磨成型的方法及裝置， 以便利的形成金屬殼體，並且美觀不變形。 、 於本發明之一方面，依據本發明之金屬殼體高壓成型的方法， 下列步驟：將-金屬板材定位於—模具中，模具包括一上模、 -下模、及—模仁’使金屬板材位於模仁上；將模具經由一加熱裝 置加熱以對金屬板材加熱；及對金屬板材以段式施加—高壓氣、 體’边使金屬赌壓貼在模仁表面喊型為—金屬殼體。 於本發明之另-方面’依據本發明之金屬殼體高壓成型震置， 包括：-進料單元，用以移動—金屬板材；—模具單元，用以承載 金屬板材，模具單元包括-上模、—下模、及—模仁，使所承載的 金屬板材位於模仁上；—加熱裝置，與模具之外表面結合，用以對 模具加熱，俾對金屬板材加熱；—錢氣體供應單元，用以對金屬 板材施加-高觀體，迫使金屬板材壓貼在模仁表面而成型為一金 201109100 屬破體，及-數健鮮元’以触方式控编壓氣體供應單元， 使高壓氣舰解元脑财財施加高壓縫，以形成一金 屬殼體。 於本毛月中’以多段式的方式控制高愿氣體壓力，以對受熱金 屬板材分階段辭高壓，將金屬板材成型為金屬殼體，並能兼顧美 觀。特別適用於延展性低的金屬或合金，例如鎮板於筆記型電腦的 A板及輕量化需求之金屬板金件的製作。 【實施方式】 第1圖顯示依據本發明之金屬殼體高壓成型的方法的流程圖。 首先，進行步驟101 ’將一金屬板材定位於一模具中。模具包括一 上模、一下模、及一模仁。金屬板材位於模仁上。接著，進行步驟 103，使用一加熱裝置加熱模具，以對金屬板材加熱。然後，進行步 驟105，對金屬板材以多段式施加一高壓氣體，迫使金屬板材壓貼 在模仁表面而成型，形成一金屬殼體。進一步進行步驟浙，取出 成型的金屬殼體。 依據本發明之金屬殼體高壓成型裝置如第2圖之一實施例之示 意圖所示，進料單元10，用以將一金屬板材移動至模具。模具單元 12，用以承載金屬板材。金屬板材可包括例如鋁、鎂合金、鋁合金 等等，但不限於此，適合做為殼體的金屬都可。模具單元12可包括 201109100 一上拉、一下模、及一模仁。使進料單元ίο傳遞過來的金屬板材承 載於模仁上。模仁可為公模或母模，位於下模的上表面，或與下模 合為一體。加熱裝置14與模具之外表面結合，用以對模具加熱，以 便對模具内的金屬板材加熱。加熱裝置14可為電熱絲加熱裝置，可 设置於放置模具單元的床台中而形成類似加熱板 ，但不限於此。並 可利用水盤設計以形成隔熱裝置。高壓氣體供應單元16，可包括一 工氣壓縮機以壓縮空氣，並有管線與模穴相通，以對金屬板材施加 • π壓氣體，迫使金屬板材壓貼在模仁表面而成型為一金屬殼體。 數位控制單元18’以數位方式控制高壓氣體供應單元16，使高壓氣 體供應單元16對金屬板财段式施加高壓氣體，以使金屬板材形成 一金屬殼體。 於本發明中，將金屬板材加熱，溫度可為室溫至52〇。〇的範圍， 但不限於此。溫度亦可由數位控制方式控制，依金屬板材性質以做 恰當的般。躲延展性較低的金屬板材，例如鎂合金，在至 5〇(TC之間的高溫下可具有一定程度的軟化。搭配多段式施加高壓氣 體的乂驟卩數位控制方式，對金屬板材施力^壓力。可使高壓氣體 具有的壓力在常壓至150公斤坪方公分的範圍。「多段式」在此指 所施加的氣體壓力並非在成型期間僅為單一壓力，而是二或二以上 的複數個壓力依序分段施加，並於每一預㈣力停留—預定時間。 因此模穴内的麼力呈逐漸性的變化。段數並無特別限制，可依需要 而定，例如15段或20段均可。由於是數位控制壓力，所以可精確 的掌握恰當的壓力時程’例如可搭配溫度設定恰當的壓力及其停留 201109100 時間，達成良好的成型。 再者’可進一步由數位控制單元18以數位 I模靖觸。侧物 公頓。 力增加而增加。於本發明的一實施例中，可使鎖=:= 烤在將金屬峨位於模具中之前，將金屬板材在一預 烤裝置20中予以預烤’如此可縮短在模具+加熱的時間。習知在模 具单兀外面加熱瓣珊，移雜具巾趁熱成型。但對於金屬板材 的成型，由於金屬魅高，導熱快，若是伽位於模具單元外面的 獨立的加熱裝置加熱，當將金屬板材傳輕模財不再受熱，馬上 會降溫變硬。本發明的金屬板材於模具内進行加壓成型時、，、仍可使 ，熱裝置對模具持續加熱，進而使金屬板材於模具内繼續受熱，而 月b良好的控制高壓成型時所需的溫度。 另外，可在金屬板材的一側施加高壓氣體，而在對側予以抽真 ^，使金屬板材更容易貼合於模仁上。換言之，若對金屬板材以多 &式施加一鬲壓氣體，是由金屬板材上方施加，可進一步同時由金 屬板材下方抽真空’二者—起作用，以迫使金屬板材壓貼在模仁表 面而成型為金屬殼體。制是在使用母模細時，較佳搭配抽氣單 元予以抽真空，以利成型。 201109100 第3圖顯示依據本發明之金屬殼體高屬成型裝置之一實施例的 局部剖面示賴。如第3 _*，金屬板22已置賴具中的模仁 24上。模具包括一上模26及一下模2卜加熱裝置3〇設置於模具外 表面’緊緊貼住模具以利導熱。隔熱裝置32言免置於加熱裝置射卜 側以保溫’並能維護操作人M安全。隔熱裝置32可包括例如石棉板 盤-上下電熱透氣板-石棉板盤的三明治結構。於此例中，於上模％ 設置有入氣孔34 ’以將縫氣體36分段導人歓％，於金屬板22 的上方形成高屬；及，於下模28妓有抽氣孔4G，以進行抽氣42， =金屬板22下挪絲卜將·6射模28閉合，並繼續對金 ’進行高壓及真空的施加，鎖模力可依該多段式施加高 =的=調整’以使合驢力均勾。第4圖顯示合模及高壓成 44 金屬板22壓貼在模仁24表面而成型為金屬殼體 金—4可再輯當的切邊、整邊、雜予圖紋。 於本^術實施例中，例如，可使用Q4細職厚度的 置於4喝烤後，移卿内， 各段可相2G段’ 例，，本發控實隠舉 201109100 依據本發明之麵鋪高壓細裝置，可進—步包括 動頂出機制’以將成型的金屬殼體取出。在金屬 之 雖然溫度降低，但對操作員而言，溫度尚高，且易變形，==上 直接以手將金屬殼體從模具卸下。模仁作動頂 =體取_作’㈣㈣，対節綱編== 間。模仁作動頂出機制可參閱台灣專利新型第職9 =虎—驗叫 與模仁2了4之^48為—矩形獅體，但不限於此形狀，位於下模28 或、:之間的矩形狀的凹槽52中。推桿組5〇係由間隔排列的二 t 54 _各碰54末獅連触56所組成。在 與5㈣峨蝴梅槽，此導槽 4通。各杯體54分別容設於各導槽中， 62所構成。&面的平面60及從平面60之兩端延伸出的二傾斜面 退出在法形成金屬殼體44後，先將上模26提起 54的傾f且作水平方向移動，如第6圖所示，當桿體 桿體斜面62朝頂出件48接近後，將使頂出件仙產生垂直於各 頂出件多動方向的移動(即錯直方向移動），而使金屬殼體44被 了貝出株均勻的向上推升而退出模仁24,可輕易取得金屬殼體44。 件8的移動，可利用油壓紅系統以達成，並可調整壓力及速度。 201109100 以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍 所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。 【圖式簡單說明】 第1圖顯示依據本發明之金屬殼體高壓成型的方法的實施例的流程 圖。 ♦第2圖顯示依據本發明之金屬殼體高壓成型裝置的實施例之示意 圖。 第3圖顯示依據本發明之金屬殼體高壓成型裝置的實施例的局部剖 面示意圖。 第4圖顯示如第3圖的實施例的局部合模及高壓成型後的示意圖。 第頂顯械本發明之模具與-頂_齡合的實施_剖面示音 圖。 ♦第6圖顯示本發明之頂出機構作動之實施例的結果示意圖。 【主要元件符號說明】 10 進料單元 14 加熱裝置 18 數位控制單元 22 金屬板 12 模具單元 16 高壓氣體供應單元 20 預烤裝置 24 模仁 11 201109100 26 上模 28 下模 30 加熱裝置 32 隔熱裝置 34 入氣孔 36 高壓氣體 38 模六 40 抽氣孔 42 抽氣 44 金屬殼體 46 頂出機構 48 頂出件 50 推桿組 52 凹槽 54 桿體 56 連接柱 58 凹陷部 60 平面 62 傾斜面 101、103、105、107 步驟201109100 VI. Description of the Invention: [Technical Field] The present invention relates to a metal casing forming method and apparatus, and more particularly to a metal shell high pressure forming method and apparatus. [Prior Art] Forming materials such as metal sheets and plastic sheets is a fairly common technique, such as forming a button, an electric bulletin device, and the like. The general molding methods are stamping, vacuum forming or high pressure forming. When the metal with a low ductility is formed into a casing, the stamping is easy to cause partial damage. The defective product must be covered with a thick paint. The strength of the vacuum forming is insufficient, and the bending angle is not easily formed during molding. The angle of curvature is too large, the edges are slightly different, and the molding is not beautiful. High-pressure molding _ temperature is not high enough and one, the noodles are fresh, the stalls can't be thin, the cracks are cracked or the new corners are pulled and deformed. Or at a higher temperature, it costs a lot. The Republic of China new patent No. M259701 and the Republic of China patent publication No. 2 plastic-fresh lang face Wei-like green, the first line of heat =: = Γ on the bracket, so that the __ sheet is heated before the molding, soft, After the clamp is closed, the upper mold 201109100 or the lower mold is filled with a high-pressure body by the high-pressure gas supply unit, so that the heated and softened thermoplastic is attached to the side surface of the mold. However, the material is made to be malleable (thermoplastic, therefore, there is still a need for a novel metal shell forming method and apparatus. SUMMARY OF THE INVENTION The present invention is directed to providing a metal shell high-grinding molding. The method and device for conveniently forming a metal shell and not being aesthetically pleasing. In one aspect of the invention, a method for high pressure forming of a metal shell according to the present invention, the following steps: positioning a metal sheet in a mold The mold comprises an upper mold, a lower mold, and a mold core to place the metal sheet on the mold core; the mold is heated by a heating device to heat the metal sheet; and the metal sheet is applied in a segment type - high pressure gas, body 'When the metal bet is pressed against the surface of the mold, the shape is shouted as a metal casing. In another aspect of the invention, the metal casing according to the present invention is formed by high pressure molding, including: - a feeding unit for moving - a metal plate; a mold unit for carrying a metal sheet, and the mold unit includes an upper mold, a lower mold, and a mold core, so that the metal sheet to be carried is placed on the mold core; the heating device and the mold The outer surface is combined to heat the mold and the metal sheet is heated; the money gas supply unit is used to apply a high-profile body to the metal sheet, forcing the metal sheet to be pressed against the surface of the mold to form a gold 201109100 It is a broken body, and - the number of fresh elements 'controlled by the pressure control gas supply unit, so that the high-pressure gas ship Jieyuan brain wealth to apply high-pressure seams to form a metal shell. In this month's 'multi-stage The method of controlling the high gas pressure to phase the high temperature of the heated metal sheet, forming the metal sheet into a metal shell, and taking into consideration the beauty. It is especially suitable for metal or alloy with low ductility, such as the town board in the notebook computer. The production of the A-plate and the metal sheet metal parts of the lightweight demanding. [Embodiment] Fig. 1 is a flow chart showing the method of high-pressure molding of the metal casing according to the present invention. First, step 101 is performed to position a metal sheet. In the mold, the mold comprises an upper mold, a lower mold, and a mold core. The metal plate is placed on the mold core. Then, in step 103, the heating mold is used to heat the mold to the metal. Then, step 105 is performed, a high pressure gas is applied to the metal sheet in multiple stages, and the metal sheet is pressed against the surface of the mold to form a metal shell. Further steps are performed to take out the formed metal shell. The metal shell high pressure forming apparatus according to the present invention is shown in the schematic view of an embodiment of Fig. 2, the feeding unit 10 for moving a metal sheet to a mold. The mold unit 12 is for carrying metal sheets. It may include, for example, aluminum, magnesium alloy, aluminum alloy, etc., but is not limited thereto, and may be suitable as the metal of the casing. The mold unit 12 may include a pull-up, a lower mold, and a mold core of 201109100. The metal sheet conveyed by the ίο is carried on the mold core. The mold core may be a male mold or a female mold, which is located on the upper surface of the lower mold or integrated with the lower mold. The heating device 14 is combined with the outer surface of the mold for The mold is heated to heat the sheet metal in the mold. The heating device 14 may be a heating wire heating device which may be disposed in a bed on which the mold unit is placed to form a similar heating plate, but is not limited thereto. The water tray can be designed to form a thermal insulation device. The high-pressure gas supply unit 16 may include a gas compressor to compress the air, and a pipeline is connected to the cavity to apply a π-pressure gas to the metal sheet to force the metal sheet to be pressed against the surface of the mold to form a metal shell. body. The digital control unit 18' controls the high-pressure gas supply unit 16 in a digital manner to cause the high-pressure gas supply unit 16 to apply high-pressure gas to the metal plate to form the metal plate into a metal casing. In the present invention, the metal sheet is heated at a temperature of from room temperature to 52 Torr. The scope of 〇, but not limited to this. The temperature can also be controlled by digital control, depending on the nature of the sheet metal. Metallic sheets with low ductility, such as magnesium alloys, can have a certain degree of softening at temperatures up to 5 〇 (TC). With the multi-stage high-pressure gas, the digital control method is applied to the metal sheet. ^Pressure. The pressure of the high pressure gas can be in the range of normal pressure to 150 kilograms of square centimeters. "Multi-stage" means that the applied gas pressure is not only a single pressure during molding, but two or more. A plurality of pressures are applied in stages and stopped at each pre-(four) force for a predetermined time. Therefore, the force in the cavity is gradually changed. The number of segments is not particularly limited and may be determined as needed, for example, 15 segments or It can be 20 segments. Because it is digital control pressure, it can accurately grasp the proper pressure time history. For example, it can be matched with the temperature to set the appropriate pressure and stay at 201109100 time to achieve good molding. Furthermore, it can be further controlled by digital control unit. 18 is in the form of a digital I. The side is open. The force increases and increases. In an embodiment of the invention, the lock =:= can be baked before the metal crucible is placed in the mold, the metal is The material is pre-baked in a pre-bake device 20 so that the time during the mold + heating can be shortened. It is known to heat the flaps on the outside of the mold, and to move the molds to form a hot stamp. However, for the forming of the metal sheets, due to the metal Charm height, fast heat conduction, if it is heated by a separate heating device located outside the mold unit, when the metal plate is transferred to the light mold, it will not be heated, and will immediately cool down and harden. When the metal plate of the invention is pressed and formed in the mold The heating device can continue to heat the mold, so that the metal sheet continues to be heated in the mold, and the monthly b is good for controlling the temperature required for high-pressure molding. In addition, high-pressure gas can be applied to one side of the metal sheet. And on the opposite side, the metal sheet is more easily attached to the mold core. In other words, if a pressure gas is applied to the metal sheet in multiple & type, it is applied from above the metal sheet, and can be further simultaneously Vacuuming under the sheet metal 'both' acts to force the sheet metal to press against the surface of the mold to form a metal shell. The system is preferably used when the master mold is used. The unit is vacuumed for forming. 201109100 Fig. 3 is a partial cross-sectional view showing an embodiment of a metal casing high-forming device according to the present invention. As for the third _*, the metal plate 22 has been placed in the device. The mold comprises an upper mold 26 and a lower mold 2, and the heating device 3 is disposed on the outer surface of the mold to closely adhere to the mold for heat conduction. The heat insulating device 32 is placed on the side of the heating device to keep warm. 'And can maintain the operator M safety. The heat insulating device 32 can include a sandwich structure such as an asbestos plate - upper and lower electric heat permeable plate - asbestos plate. In this case, the upper mold % is provided with an air inlet 34' to be sewn The gas 36 is guided to be 歓%, and a high genus is formed above the metal plate 22; and, in the lower mold 28, there is a venting hole 4G for pumping 42, = the metal plate 22 is lowered and the squirrel is 6 28 is closed, and the application of high pressure and vacuum to the gold is continued, and the clamping force can be applied according to the multi-stage type of high==adjustment' to make the combined force hook. Fig. 4 shows the mold clamping and high pressure forming. The metal plate 22 is pressed against the surface of the mold core 24 to form a metal shell. The gold- 4 can be re-cut, trimmed, and mixed. In the embodiment of the present invention, for example, Q4 can be used in the thickness of 4, and then placed in the 4th drink, and each segment can be in the 2G segment, and the present invention is controlled according to the present invention. The high-pressure device is placed, and the moving-out mechanism can be further included to take out the formed metal casing. Although the temperature is lowered in the metal, the temperature is still high and easy to deform for the operator, and the metal housing is directly removed from the mold by hand. Molding the top of the body = the body to take _ to do (four) (four), the section of the syllabary == between. The mold ejector mechanism can be referred to the Taiwan patent new type of job 9 = tiger - inspection and mold 2 2 4 - - rectangular lion body, but not limited to this shape, located between the lower mold 28 or In the rectangular groove 52. The putter group 5 is composed of two t 54 _ each touch 54 lions and 56 touches. In the case with 5 (four) 峨 梅 梅, this guide channel 4 is connected. Each of the cups 54 is accommodated in each of the guide grooves, 62. The flat surface 60 of the & plane and the two inclined surfaces extending from both ends of the plane 60 are ejected to form the metal casing 44, and the upper mold 26 is lifted 54 and moved horizontally, as shown in Fig. 6. It is shown that when the rod body inclined surface 62 approaches the ejector member 48, the ejector member will be moved perpendicularly to the movement direction of each ejector member (ie, moved in the wrong direction), and the metal casing 44 is The metal shell 44 can be easily obtained by uniformly pushing up the shell and exiting the mold core 24. The movement of the piece 8 can be achieved by using a hydraulic red system and the pressure and speed can be adjusted. The above description is only the preferred embodiment of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a flow chart showing an embodiment of a method of high pressure molding of a metal casing according to the present invention. Figure 2 is a schematic view showing an embodiment of a metal shell high pressure molding apparatus in accordance with the present invention. Figure 3 is a partial cross-sectional view showing an embodiment of a metal shell high pressure molding apparatus in accordance with the present invention. Fig. 4 is a view showing a partial mold clamping and a high pressure molding of the embodiment as shown in Fig. 3. The top display of the mold of the present invention and the implementation of the top-age combination _ cross-section sound map. ♦ Figure 6 shows a schematic diagram of the results of an embodiment of the ejector mechanism of the present invention. [Main component symbol description] 10 Feeding unit 14 Heating device 18 Digital control unit 22 Metal plate 12 Mold unit 16 High pressure gas supply unit 20 Pre-bake device 24 Mold 11 201109100 26 Upper die 28 Lower die 30 Heating device 32 Thermal insulation device 34 Air inlet 36 High pressure gas 38 Mold 60 40 Air vent 42 Air extraction 44 Metal housing 46 Ejection mechanism 48 Ejector 50 Push rod set 52 Groove 54 Rod 56 Connecting post 58 Recessed portion 60 Plane 62 Inclined surface 101, 103, 105, 107 steps
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