1273962 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種射出成型之裝置及其方法，特別關 於一種模内成型裝置及其方法。 【先前技術】 基於 3C (Computer，Communication，and Consumer Electronics)電子產品對於外型及降低成本的雙重考量， •:傳統的塑膠加工技術需不斷改進以滿足新產品的需求，其1273962 IX. Description of the Invention: [Technical Field] The present invention relates to an injection molding apparatus and method thereof, and more particularly to an in-mold forming apparatus and method therefor. [Prior Art] Based on the consideration of 3C (Computer, Communication, and Consumer Electronics) electronic products for appearance and cost reduction, • Traditional plastic processing technology needs to be continuously improved to meet the needs of new products.
^中以模内成型技術(In_mold-decoration，IMD)最能表現3C 產業注重外觀之特性。 如圖1A至圖id所示，就目前的技術而言，業界係積 極研發一種模内成型製程，其步驟如 下： ’、 首先，如圖1A所示，利用網版印刷或是其他方式於 薄膜ίο上形成一印刷層η，如此一來，薄臈即具有 圖案、顏色或紋路之變化。 、 之薄膜1 〇沖 之後’如圖1Β所示，對具有印刷層u 孔，以形成一穿孔12。 而後，如圖1C所示，將圖1Β之薄膜10定位 具單元13之模穴131中，—射出單元14將-射出成型材 料141射出於模穴131中，使得薄膜1〇與射出成=^ 141相結合而形成一成型品ρ。 4 最後，如圖1D所示，將成型品Ρ由模具單 元13 移出 1273962 至 沖孔機台（圖t干 位置，對成型。 ’、）根據薄膜10上之穿孔12的 由上述内：可f行沖孔之動作。 單元13中移至、、〇，習知技術係必須將成型品P由模具 成手續之繁複，^機台’方能進行後續之沖孔動作，造 在進行沖孔之動造成相當大之^便。此外，沖孔機台 否則會產生對位4二:精::對準薄膜10穿孔12 ’ +早的問遞，而導致外觀不美的情形。 身 【發明内容】 ^鏗於上述課題，本發明之目的為提供—種模内成型 二m有製程簡單、成品品質優良之優點者。 人、'疋’·’、、達上述目的’依本發明之模内成型裝置，包 二模具單元、—射出單元及—沖壓單元。其中，模具單 7L糸具有—模穴；射出單元係具有—噴嘴，嘴嘴係將一射 出成型材料射入模穴而形成一成型品；沖壓單元之至少一 部分係可相對應模具單元移動，沖壓單元係於模穴内^壓 成型品俾使成型品形成至少一穿孔。 為達上述目的，依本發明之模内成型方法，係包含下 列步驟··將一射出成型材料射入模穴中而形成一成型品· 並且於模穴内沖壓成型品，俾使成型品形成至少—穿孔。 承上所述’本發明之模内成型裝置及其方法，因沖壓 單元之設置，使得成型品得以於模内進行沖孔之動作，如 此一來，即可簡化習用製程，也可避免精準定位上手續之 不便。 I273962 【實施方式】 以下將參照相關圖式，說明本發明較佳實施 成型裝置及其方法。 請參閱圖2,本發明第一較佳實施例之模内成型裝置 ^系具有一模具單元21、一射出單元22,以及一沖壓^元^In_mold-decoration (IMD) is the most representative of the 3C industry's focus on appearance. As shown in FIG. 1A to FIG. id, in the current technology, the industry actively develops an in-mold molding process, and the steps are as follows: ', first, as shown in FIG. 1A, using screen printing or other means on the film. A printing layer η is formed on ίο, so that the thin enamel has a change in pattern, color or texture. After the film 1 is smashed, as shown in FIG. 1A, the pair has a printed layer u-hole to form a through-hole 12. Then, as shown in FIG. 1C, in the cavity 131 of the film locating unit 13 of FIG. 1 , the injection unit 14 projects the injection molding material 141 into the cavity 131, so that the film 1 〇 and the emission become ^^. 141 combines to form a molded article ρ. 4 Finally, as shown in Fig. 1D, the molded product is removed from the mold unit 13 by 1239962 to the punching machine (Fig. t dry position, paired. ',) according to the perforation 12 on the film 10 by the above: f The action of punching. In the unit 13, the conventional technology system has to make the molding P into a complicated procedure from the mold, and the machine can perform the subsequent punching operation, and the movement of the punching is quite large. Will. In addition, the punching machine will otherwise produce the alignment 4: fine:: the alignment film 10 perforation 12 ′ + early hand, resulting in a situation that is not beautiful. SUMMARY OF THE INVENTION [Invention] In view of the above problems, an object of the present invention is to provide an in-mold molding process in which the process is simple and the quality of the finished product is excellent. The in-mold forming apparatus according to the present invention, the second mold unit, the injection unit and the stamping unit. Wherein, the mold sheet 7L has a mold cavity; the injection unit has a nozzle, and the nozzle nozzle projects an injection molding material into the mold cavity to form a molded product; at least a part of the stamping unit can move corresponding to the mold unit, and the stamping unit The unit is formed in the cavity to form a molded article to form at least one perforation. In order to achieve the above object, the in-mold forming method according to the present invention comprises the steps of: projecting an injection molding material into a cavity to form a molded article, and stamping the molded article in the cavity to form at least the molded article. -perforation. According to the above-mentioned in-mold forming apparatus and method of the present invention, since the stamping unit is arranged, the molded product can be punched in the mold, thereby simplifying the conventional process and avoiding precise positioning. The procedure is inconvenient. [Improvement] Hereinafter, a molding apparatus and a method thereof according to a preferred embodiment of the present invention will be described with reference to the related drawings. Referring to FIG. 2, an in-mold forming apparatus according to a first preferred embodiment of the present invention has a mold unit 21, an injection unit 22, and a stamping unit.
一於此，模具單元21具有相對設置之一移動構件211、 一固定構件212，固定槔件212與移動構件211相對面之 一側係設置有一固定側模仁213，而移動構件211與固定 構件212相對面之一侧係設置有一移動側模仁214，移動 構件211'係帶動移動側模仁214相對於固定侧模仁213移 ，。移動構件211可受驅動而帶動移動侧模仁214往相對 遠離於固定側模仁213移動，或是帶動移動侧模仁214與 固定側模仁213結合而形成一模穴215。另外，於本實施 2中，固定構件212與移動構件211可分別為一模板。再 二多“、、圖2,本實施例之射出單元22具有一加熱缸221與 嘴222喷嘴222係設置於加熱缸221之一侧，加熱 昭221可藉由噴嘴222與模穴相互連通。再者，請參 盘，2抑冲壓單元23之至少一部分係穿設模具單元21且 2 、單元21相對應移動。其中，沖壓單元23具有二鑲 ΐϋ〜3/ ^一沖壓缸232，鑲塊231係分別相對應地設置於 ^則拉仁213與移動側模仁，而沖壓缸232可為- 、钗 氣壓缸或一超高壓缸。於此，沖壓缸232係推 移鑲塊23i，以進行沖壓動作。 7 1273962 另外，本發明之模内成型裝置2更包含一驅動單元（圖 中未不），係可驅動移動構件211相對於固定構件212移 動。於此，驅動單元除了可以用以驅動移動構件211相對 構件212移動之外，亦可以對抗射出成型時所產生之 向壓力，可確保移動側模仁214與固定側模仁213完全結 〇。再者，驅動單元亦可驅動固定側模仁213與移動側模 仁214移動至沖壓單元23之一側，俾使沖壓缸232移至 相對於鑲塊231的位置。 本發明之模内成型裝置2更包含一冷卻單元（圖中未 示），係鄰設於模具單元21，冷卻單元係用以降低射出成 型後模穴215内之一成型品μ之溫度。 本發明之模内成型裝置2,更包含一頂出單元（圖中 未不），當移動侧模仁214遠離固定側模仁213時，頂出 單元係將成型品Μ頂出模穴215。 以下為使本案之特徵與技術更加明顯，將搭配圖3α 至圖3D說明模内射出成型裝置2之作動情形。 請參照圖3Α，將一薄膜F係設置於模穴215内，其 中，此薄膜F上設置有一印刷層[，使得製作完的成型品 Μ可具有圖案、文字或是紋路之表現。 再請參照圖3Β，射出單元22之加熱缸221係將一射 出成型材料L加熱至一定溫度後，再將射出成型材料L送 至噴嘴222射入模穴215中，以與設置有印刷層L之薄膜 F結合而形成成型品M。 、 接著，再請參照圖3C與圖3D，驅動單元驅動固定側 1273962 模仁213與移動侧模仁214移動至沖壓 ， 俾使沖壓缸232移至相對於鑲塊 1 沖壓單元23之鑲塊231與沖壓 接者利用 俨士、剧口， 32沖壓成型品M，使 侍成型品形Μ形成至少一穿㈣ 成型品Μ至常溫。再_頂$|=者冷部早疋冷部此 穴215。 、早70係將成型品Μ頂出模 Ί 型方發明第二較佳實施例係提供模内成 i方法’此方法係包含下列步驟：定位—薄膜於一模具單 :之-模穴中⑽H㈣型材料射人模穴中並鱼薄 ，結合而形成-顏品(S2);以及沖麗成型品，俾使成型 品形成至少一穿孔(S3)。 以下係沿用圖3A至圖3D進行說明。如圖3a所示， 於步驟S1中，定位薄膜F於模具單元21之模穴215中。 於此，薄膜F上係設置有印刷層[， 網版印刷或是其他方式形成於薄膜F上，印;層 完的成型品Μ可具有圖案、文字或是紋路之表現。 如圖3Β所示，於步驟82中，係將射出成型㈣w 二模穴215中並與設置有印刷層L之薄膜F結合而成為成 型品Μ。 之後，如圖3C與3D所示，於步驟幻中，係為沖壓 成型品Μ ’使得成型品Μ形成穿孔η。 上述步驟S1~S3的特徵皆已揭露於第一實施例中， 此不再資述。 另外，本實施例之模内成型方法更包含一步驟以，於 1273962 步驟S4中，係降低成型品M之溫度。本實施例中，係利 用一冷卻單元降低成型品Μ之溫度。 另外’本實施例之模内成型方法更包含-步驟S5,於 =S5 + ’係分離一固定側模仁213與一移動侧模仁 。於本實施例中，係利用一驅動單元驅動移動構件2ΐι ，固疋構件212分離，如此一來，移動侧模仁214即與固 疋側模仁213呈現分離之狀態。 再者，本實施例之模内成型方法更包含—％ ’係將成型品Μ頂離固定侧模仁21施 例中m頂出單•成型品μ頂離模穴215。^ 上述步驟S4〜S6的转料介比1 t 在此不再贅述。㈣自已揭露於第-實施例中， 承上所述’本發明之模内射 Π:之Γ/使得成型品得以於模内進行=之Ξ :續::;來除::r=程:!可避免精準定= 孔之動作，使得穿孔周緣内對成型品進行沖 佳，更具有視覺上美觀之優點&型材料之貼附性較 以上所述僅為舉例性， 本發明之精神與範疇，而對二：：性者。任何未脫離 應包含於後附之申請專利=之等效修改或變更，均 【圖式簡單說明】 圖1A至圖1D係為習知模内成型方法之-組示意圖; 1273962 圖2係為本發明第一較佳實施例之模内成型裝置之一 示意圖； 圖3A至圖3D係為本發明第一較佳實施例之模内成型 裝置實際操作之一組示意圖；以及 圖4係為本發明第二較佳實施例之模内成型方法之一 流程圖。 元件符號說明： 10 薄膜 11 印刷層 12 穿孔 13 模具單元 131 模穴 14 射出單元 141 成型材料 P 成型品 2 模内成型裝置 21 模具單元 211 移動構件 212 固定構件 213 固定侧模仁 214 移動側模仁 215 模穴 22 射出單元 11 1273962 221 加熱缸 222 喷嘴 23 沖壓單元The mold unit 21 has a movable member 211 and a fixing member 212 disposed opposite to each other. One side of the opposite side of the fixed member 212 and the moving member 211 is provided with a fixed side mold 213, and the moving member 211 and the fixed member One side of the opposite surface of the 212 is provided with a moving side mold core 214, and the moving member 211' drives the moving side mold core 214 to move relative to the fixed side mold core 213. The moving member 211 can be driven to move the moving side mold core 214 to move away from the fixed side mold core 213, or to bring the moving side mold core 214 into combination with the fixed side mold core 213 to form a cavity 215. Further, in the present embodiment 2, the fixing member 212 and the moving member 211 may each be a template. Further, in FIG. 2, the injection unit 22 of the present embodiment has a heating cylinder 221 and a nozzle 222 nozzle 222 disposed on one side of the heating cylinder 221, and the heating guide 221 can communicate with the cavity through the nozzle 222. Furthermore, please refer to the disc, and at least a part of the stamping unit 23 is threaded through the mold unit 21 and 2, and the unit 21 is correspondingly moved. The punch unit 23 has two insets 3 3 / ^ a stamping cylinder 232, the insert The 231 series are respectively disposed correspondingly to the puller 213 and the movable side mold, and the press cylinder 232 can be a -, a pneumatic cylinder or an ultra high pressure cylinder. Here, the press cylinder 232 is a shifting insert 23i for performing 7 1273962 In addition, the in-mold forming device 2 of the present invention further includes a driving unit (not shown) for driving the moving member 211 relative to the fixing member 212. Here, the driving unit can be used for driving The moving member 211 can also resist the upward pressure generated during the injection molding in addition to the movement of the member 212, and can ensure that the moving side mold core 214 and the fixed side mold core 213 are completely knotted. Further, the driving unit can also drive the fixed side mold. Ren 213 and moving side mode The 214 is moved to one side of the punching unit 23 to move the press cylinder 232 to a position relative to the insert 231. The in-mold forming apparatus 2 of the present invention further includes a cooling unit (not shown) which is adjacent to The mold unit 21 is configured to reduce the temperature of a molded product μ in the cavity 215 after injection molding. The in-mold forming device 2 of the present invention further includes an ejection unit (not shown) when the moving side When the mold core 214 is away from the fixed side mold core 213, the ejection unit is configured to eject the molded product from the mold cavity 215. The following is a more obvious feature and technology of the present invention, and the in-mold injection molding device 2 will be described with reference to Figs. 3α to 3D. Referring to FIG. 3A, a film F is disposed in the cavity 215, wherein the film F is provided with a printing layer [so that the finished molded product can have a pattern, a character or a texture. Referring to FIG. 3 again, the heating cylinder 221 of the injection unit 22 heats the injection molding material L to a certain temperature, and then sends the injection molding material L to the nozzle 222 to be injected into the cavity 215 to be provided with a printing layer. L film F is combined to form Next, referring to FIG. 3C and FIG. 3D, the driving unit drives the fixed side 1273962, the mold core 213 and the moving side mold 214 are moved to the punching, so that the pressing cylinder 232 is moved to the punching unit 23 with respect to the insert 1. The insert 231 and the punching joint utilize the gentleman, the mouth, and the 32 stamping and molding product M to form at least one wearing (four) molded product to the normal temperature. The top _ top $| This hole 215. The early 70 series molds the top mold. The second preferred embodiment of the invention provides an in-mold method. The method comprises the following steps: positioning - film in a mold sheet: - In the cavity, the (10)H (four) type material is injected into the mold cavity and the fish is thin, and the combination is formed to form a product (S2); and the blister molded product is formed to form at least one perforation (S3). The following description will be described with reference to Figs. 3A to 3D. As shown in FIG. 3a, in step S1, the film F is positioned in the cavity 215 of the mold unit 21. Here, the film F is provided with a printing layer [, screen printing or the like is formed on the film F, and the formed product Μ can have a pattern, a character or a texture. As shown in Fig. 3A, in step 82, the (four)w two-die 215 is injection-molded and combined with the film F provided with the printing layer L to form a molded article. Thereafter, as shown in Figs. 3C and 3D, in the step illusion, the stamped product Μ ' is formed so that the molded article Μ forms the perforation η. The features of the above steps S1 to S3 have been disclosed in the first embodiment, and this is not described. Further, the in-mold forming method of the present embodiment further comprises a step of lowering the temperature of the molded article M in 1273962 and step S4. In this embodiment, a cooling unit is used to lower the temperature of the molded product. Further, the in-mold forming method of the present embodiment further includes a step S5 of separating a fixed side mold core 213 and a moving side mold core at =S5 + '. In the present embodiment, the moving member 2 is driven by a driving unit, and the fixing member 212 is separated. Thus, the moving side mold core 214 is separated from the solid side mold core 213. Further, the in-mold forming method of the present embodiment further comprises -% ' detaching the molded article from the fixed side mold member 21 in the embodiment. ^ The transfer ratio 1 t of the above steps S4 to S6 will not be described herein. (4) Self-exposed in the first embodiment, in accordance with the above-mentioned "in-mold shot of the present invention: after the molding / enabling the molded article to be carried out in the mold = continuation::; to divide:: r = Cheng:! It can avoid the precise setting = the action of the hole, so that the molded product can be punched in the periphery of the perforation, and the visual aesthetic advantage is better. The attachment of the material is only exemplified above, and the spirit and scope of the invention And on the second:: sex. Any equivalent modification or modification that is not included in the appended patent application is a simplified description of the drawings. FIG. 1A to FIG. 1D are schematic diagrams of a conventional in-mold forming method; 1273962 FIG. 2 is the first embodiment of the present invention. FIG. 3A to FIG. 3D are schematic diagrams showing one of the actual operations of the in-mold forming apparatus according to the first preferred embodiment of the present invention; and FIG. 4 is the second embodiment of the present invention. A flow chart of one of the in-mold forming methods of the preferred embodiment. Description of the components: 10 film 11 printed layer 12 perforated 13 mold unit 131 cavity 14 injection unit 141 molding material P molding 2 in-mold molding device 21 mold unit 211 moving member 212 fixing member 213 fixed side mold 214 moving side mold 215 cavity 22 injection unit 11 1273962 221 heating cylinder 222 nozzle 23 stamping unit
231 鑲塊 232 沖壓缸 L 射出成型材料 F 薄膜 L 印刷層 Μ 成型品 Η 穿孔 SI 定位一薄膜 S2 射出一射出成型材料以形成一成型品 S3 沖壓成型品 S4 降低成型品之溫度 S5 分離固定侧模仁與移動侧模仁 S6 將成型品頂離模穴 12231 Insert 232 Stamping cylinder L Injection molding material F Film L Printing layer 成型 Molded product 穿孔 Perforation SI Positioning a film S2 Injection molding material to form a molded product S3 Stamping product S4 Lowering the temperature of the molded product S5 Separating the fixed side mold Ren and mobile side molds S6 will be molded from the mold cavity 12