200810896 九、發明說明： 【發明所屬之技術領域】 本發明係與塑膠成形方法有關，特別是指一種具有背 膠之矽橡膠製品之成形方法。 5【先前技術】 一般在衣服、鞋子、背包等產品上設置有以塑膠所製 成的標箴(tag or label)。该標籤是由一基底層以及一圖案層 所組成，用以彰顯商標或是在該產品上形成預定的圖案。 該等標籤的背面通常會設置有膠層，其可為熱熔膠作〇1111也 ίο adhesive or Aermosensitive adhesive)或是感壓性溶膠 (pressure sensitive adhesive)等，用以將標籤貼附於預定位置 上。 美國專利5,849，145揭露一種在塑膠膜上設置膠層的裝 置與方法。其是將熱熔膠噴灑在一滾輪上，然後利用該滾 is 輪將熱溶膠塗佈在塑膠膜上。 大部分的標籤均是在標籤成形後，於背面塗佈該膠 層，然後再將該等標籤貼在一轉型紙上備用。這樣的製造 方式不但繁複，而且會提高製造成本。 20 【發明内容】 本發明之主要目的在於提供一種具有背膠之矽橡膠製 品之成形方法’其可在同依程序中同時成形矽橡膠製品以 及背膠。 觚 為達成前述之發明目的，本發明所提供之方法包含有 4 200810896 下列步驟·· 該下模 且m 一模具’該模具具有一下模以及-上模 具有一核内穴； 1、 的在該下模之臈内穴内置入石夕橡膠材料； 料;C)將，_师dhesivesheet)放置於财橡膠材 Φ蓋上該上膜，並加熱與加壓該模具， 成形並使财橡膠㈣與郷職密結合在;；以夕及"、 品，後’㈣賴脚可制—雜膠產 /、月面具有一由該膠膜所形成之背膠層。 【實施方式】 ^為了詳細說明本發明之構造及特點所在，茲舉以下之 較佳實施例並配合圖式說明如后： 15 a)準備一模具10。 請參閱第一圖所示，該模具10具有一下模12以及一 上模14，該下模12具有一多層模内穴16，該模内穴16由 下至上具有一第一圖案層18、一第二圖案層2〇以及一基底 層22。該下模12在該多層模内穴16的週緣具有一刃部24, 2〇讀上模14亦具有一刃部26，對應於該下模12之刃部24。 b)在該模具1〇之膜内穴16内置入圖案材料與基底材 科’並使其初步成形。此步驟包含有下列程序： I、將液態的常溫硫化梦橡膠28 (room temperature vulcanization (RTV) silicon mbber)(第一圖案材料)注入 5 200810896 該模具10的第一圖案層18中。 5200810896 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a method of forming a plastic, and more particularly to a method of forming a rubber article having a backing. 5 [Prior Art] Generally, clothes, shoes, backpacks, etc. are provided with a tag or label made of plastic. The label is composed of a base layer and a pattern layer for highlighting the trademark or forming a predetermined pattern on the product. The back side of the labels is usually provided with a glue layer, which may be an adhesive or a ermosensitive adhesive, or a pressure sensitive adhesive, etc., for attaching the label to a predetermined position. on. A device and method for providing a glue layer on a plastic film is disclosed in U.S. Patent No. 5,849,145. It sprays hot melt glue onto a roller and then applies the hot melt to the plastic film using the roller is wheel. Most of the labels are applied to the back side after the label has been formed, and then the labels are placed on a transition paper for later use. Such a manufacturing method is not only complicated but also increases the manufacturing cost. [Explanation] The main object of the present invention is to provide a method for forming a rubber product having a backing rubber which can simultaneously form a rubber product and a backing in the same procedure.达成 In order to achieve the foregoing object, the method provided by the present invention comprises the following steps: 200810896, the following step, the mold, and the mold, the mold has a lower mold and the upper mold has a core cavity; The inner hole of the mold is built into the stone material of the stone; the material; C) will be placed on the upper film of the rubber material Φ, and the mold is heated and pressed to form and make the rubber (four) and the crucible The occupational secret is combined;; the eve and ", the product, the latter '(four) can be made - the rubber production /, the moon mask has a backing layer formed by the film. [Embodiment] In order to explain the structure and features of the present invention in detail, the following preferred embodiments are described with reference to the following drawings: 15 a) A mold 10 is prepared. Referring to the first figure, the mold 10 has a lower mold 12 and an upper mold 14. The lower mold 12 has a multi-layer mold cavity 16 having a first pattern layer 18 from bottom to top. A second pattern layer 2 and a base layer 22. The lower die 12 has a blade portion 24 at the periphery of the multi-layer die cavity 16, and the second read upper die 14 also has a blade portion 26 corresponding to the blade portion 24 of the lower die 12. b) The pattern material and the substrate material are embedded in the film hole 16 of the mold 1 and preliminary formed. This step includes the following procedure: I. Injecting a room temperature vulcanization (RTV) silicon mbber (first pattern material) into the first pattern layer 18 of the mold 10 in 200810896. 5
睛芩閱第二圖所示，本步驟是利用微量射 injection)以及自動化控制將預定劑量的RTv (n^〇 注入該模具10的第一圖案層18中。RTV矽28 具有不同的顏色，依設計注入該模具1〇 β 8可 18的預定區域。 圖案層 II、 加熱RTV矽橡膠28,使其初步硫化〜 將該下模12送入一烘烤爐(未顯示）中加熱，^刼。 度大約在12(TC至18(TC之間，時間在15秒至25 P、、的溫 使RTV矽橡膠24硫化定型。 少之間， III、 冷卻RTV矽橡膠28。 加熱完畢後，將該下模12放置在一冷卻裝 示)上，在該冷卻裝置有溫度在5它至2〇χ：之間^冷^顯 (一般為水)循環流動，藉以將RTV矽橡膠28冷^郃， 、、设《 7丨至室 —iv、將液態RTV矽橡膠30(第二圖案材料)注入該 杈具10的第二圖案層20中，並依序進行加熱、冷卻 步驟，如第三圖所示。 V、請參閱第四圖所示，將一具有與該模具10之 基底層22大小、形狀接近的高溫硫化石夕橡膠32 (high temperature vuicanization (HTV) silic〇n mbber)(基底材 料)置入該基底層22中。 c)請參閱第五圖所示，將一膠膜34 (adhesive sheet)放 置於該HTV石夕橡膠32上。該膠膜34為一固態熱嫁膠 6 200810896 (hot-melt adhesive or thermosensitive adhesive)或是感壓性 熔膠(pressure sensitive adhesive)所形成的長條帶狀薄膜，其 I度與長度均大於该下模12之模内穴16。請參閱第六圖所 示，蓋上該上模14，該刃部26會貼靠在該下模12的刃部 5 24並沿著該下模12的刃部24移動，藉以將該膠膜34切 斷。此時，模具10中會保留一形狀與大小幾近於與該將該 HTV石夕橡膠32相同的膠層34a，且該膠層34a受該上模14 的壓迫而緊密貼合在該HTV矽橡膠32上。 當然，也可事先將該膠膜裁切為適當的形狀與大 10 小，再放置於該HTV矽橡膠32上。但是實施例所揭露 的方式更符合大量生產之需要。 d)接著將該模具1〇送入一腔室36中，請參閱第七圖 所示，進行熱模壓程序。此時，該二RTV矽橡膠28, 3〇、 該HTV矽橡膠32以及該膠層34會結合成一整體。 15 e)最後，打開該模具1〇，即可得到一矽橡膠產品38。 請參閱第八圖與第九圖，該矽橡膠成品38具有一基底層 40，其是由該HTV矽橡膠32所形成，該基底層40之正^ 具有一二層的圖案層42,其是由該二RTV矽橡膠28, 30所 形成，背面具有一背膠層44,其是由該膠膜34所形成。 2〇 依據本發明所提供的製造方法所製成的矽橡膠產品， 其基底層40、該圖案層42與該背膠層44是在同一程序中 成形。可簡化製程與降低成本。該矽橡膠成品38可藉由加 壓、加熱使該膠層44融化，並貼附在布片、皮革、矽橡膠、 金屬、玻璃或其他材料所製成的物件上。 7 200810896 【圖式簡單說明】 第一圖係本發明一較佳實施例之模具之示意圖； 第二圖係本發明之方法之示意圖，顯示在模具中之第 一圖案層注入RTV橡膠； 5 第三圖係本發明之方法之示意圖，顯示在模具中之第 二圖案層注入RTV橡膠； 第四圖係本發明之方法之示意圖，顯示在模具中之基 底層置入HTV橡膠； 第五圖係本發明之方法之示意圖，顯示將膠膜放在 ίο HTV橡膠上； 第六圖係本發明之方法之示意圖，顯示蓋上上膜的同 時切斷膠膜； 第七圖係本發明之方法之示意圖，顯示熱模壓程序； 第八圖為依據本發明之方法所製作出之矽橡膠產品之 15 立體圖；以及 第九圖為第八圖之剖視圖。 【主要元件符號說明】 10模具 16模内穴 22基底層 30RTV矽橡膠 36腔室 42圖案層 12下模 18第一圖案層 24, 26刃部 32HTV矽橡膠 38 ^橡膠產品 44背膠層 14上模 20第二圖案層 28 RTV矽橡膠 34膠膜 40基底層 8 20As shown in the second figure, this step is to inject a predetermined dose of RTv into the first pattern layer 18 of the mold 10 by using micro-injection injection and automatic control. RTV 矽 28 has different colors, A predetermined area for injecting the mold 1 〇β 8 can be designed. The pattern layer II, the RTV 矽 rubber 28 is heated to be initially vulcanized~ the lower mold 12 is fed into a baking oven (not shown) for heating. Degree is about 12 (TC to 18 (TC between TC, time is 15 seconds to 25 P, the temperature makes RTV 矽 rubber 24 vulcanization stereotype. Less between, III, cooling RTV 矽 rubber 28. After heating is completed, The lower mold 12 is placed on a cooling device, and the cooling device has a temperature of 5 to 2 〇χ: between the cold and the cold (usually water), thereby circulating the RTV rubber 28, And [7丨 to the chamber-iv, the liquid RTV rubber 30 (the second pattern material) is injected into the second pattern layer 20 of the cookware 10, and the heating and cooling steps are sequentially performed, as shown in the third figure. V. Please refer to the fourth figure, a high temperature sulfide stone having a size and shape close to the base layer 22 of the mold 10. A high temperature vuicanization (HTV) silic〇n mbber (base material) is placed in the base layer 22. c) As shown in the fifth figure, an adhesive sheet 34 is placed on the HTV stone. On the eve rubber 32. The film 34 is a long strip film formed by a hot-melt adhesive or thermosensitive adhesive or a pressure sensitive adhesive. And the inner cavity 16 having a length greater than that of the lower die 12. Referring to the sixth figure, the upper die 14 is covered, and the blade portion 26 abuts against the blade portion 24 of the lower die 12 and along the The blade portion 24 of the lower mold 12 is moved to cut the film 34. At this time, a mold layer 34a having a shape and a size almost the same as that of the HTV stone rubber 32 is retained in the mold 10, and The glue layer 34a is pressed against the HTV rubber 32 by the pressing of the upper mold 14. Of course, the film may be cut into an appropriate shape and a size of 10 before being placed on the HTV rubber 32. Above, but the method disclosed in the embodiment is more in line with the needs of mass production. d) Then the mold 1 is sent into a cavity 36, shown in see FIG seventh, heat molding procedure. At this time, the two RTV rubbers 28, 3, the HTV rubber 32, and the rubber layer 34 are combined into one. 15 e) Finally, the mold 1 is opened to obtain a rubber product 38. Referring to the eighth and ninth drawings, the enamel rubber product 38 has a base layer 40 formed by the HTV 矽 rubber 32. The base layer 40 has a two-layer pattern layer 42 which is Formed by the two RTV rubbers 28, 30, the back side has a backing layer 44 formed by the film 34. 2A The base rubber layer 40, the pattern layer 42 and the backing layer 44 are formed in the same procedure according to the manufacturing method of the present invention. It simplifies the process and reduces costs. The finished rubber product 38 can be melted by heating and heating, and attached to an article made of cloth, leather, rubber, metal, glass or other materials. 7 200810896 [Simplified illustration of the drawings] The first drawing is a schematic view of a mold according to a preferred embodiment of the present invention; the second drawing is a schematic view of the method of the present invention, showing the first pattern layer in the mold is injected with RTV rubber; The three figures are schematic views of the method of the present invention, showing the second pattern layer in the mold is injected with RTV rubber; the fourth figure is a schematic view of the method of the present invention, showing that the base layer in the mold is placed with HTV rubber; A schematic view of the method of the present invention, showing the film placed on the ίο HTV rubber; the sixth drawing is a schematic view of the method of the present invention, showing that the film is cut while the film is covered; and the seventh figure is the method of the present invention. A schematic view showing a hot molding process; an eighth view showing a perspective view of a rubber product produced in accordance with the method of the present invention; and a ninth drawing is a cross-sectional view of the eighth drawing. [Main component symbol description] 10 mold 16 mold inner hole 22 base layer 30RTV 矽 rubber 36 chamber 42 pattern layer 12 lower mold 18 first pattern layer 24, 26 blade portion 32HTV 矽 rubber 38 ^ rubber product 44 adhesive layer 14 Mold 20 second pattern layer 28 RTV 矽 rubber 34 film 40 base layer 8 20