TW202031454A - Manufacturing method of protection film - Google Patents
Manufacturing method of protection film Download PDFInfo
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- TW202031454A TW202031454A TW108106717A TW108106717A TW202031454A TW 202031454 A TW202031454 A TW 202031454A TW 108106717 A TW108106717 A TW 108106717A TW 108106717 A TW108106717 A TW 108106717A TW 202031454 A TW202031454 A TW 202031454A
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Abstract
Description
本發明係關於一種製造流程,尤指一種保護膜製造方法。The invention relates to a manufacturing process, in particular to a manufacturing method of a protective film.
近年來,智慧型手機以及平板裝置等具有大螢幕的電子裝置廣為大眾使用,而用來保護螢幕的螢幕保護貼也應因應而生,現在大多以強化玻璃製成保護貼,以增加保護強度及耐磨度。In recent years, electronic devices with large screens such as smart phones and tablet devices have been widely used by the general public, and screen protectors to protect the screens have also been developed. Nowadays, most of them are made of tempered glass to increase the protection strength. And wear resistance.
一般玻璃保護貼之製造流程為:(1)將玻璃進行裁切;(2)將裁切後之玻璃進行磨邊與鑽孔;(3)進行洗片;(4)利用化學液增加玻璃韌性;(5)進行AS防汙鍍膜(Anti-Smudge Coating)。也就是說,一般玻璃保護貼本身不具有防汙效果,需要透過鍍膜方式增加防汙效果,但是鍍膜容易隨著使用時間,而逐漸失去其效果,也容易脫離玻璃,降低玻璃保護貼之使用壽命。The general manufacturing process of glass protection stickers is: (1) cutting the glass; (2) grinding and drilling the cut glass; (3) washing the film; (4) using chemical liquid to increase glass toughness ; (5) AS anti-smudge coating (Anti-Smudge Coating). In other words, the general glass protection sticker itself does not have the anti-fouling effect, and it needs to increase the anti-fouling effect through the coating method, but the coating is easy to gradually lose its effect with the use time, and it is easy to separate from the glass, reducing the service life of the glass protection sticker .
再者,為了讓使用者有更佳的視覺感受來欣賞電子裝置上所呈現之照片及影片,有廠商研發出具有曲面螢幕之電子裝置,然而當使用者欲於具有曲面螢幕之電子裝置上黏貼保護貼以保護螢幕時,常常因螢幕具有曲率的關係,而使得保護貼無法與螢幕完全地貼合,即使以全平面貼合的方式,也會在保護貼的邊緣形成白邊。Furthermore, in order to allow users to have a better visual experience to enjoy the photos and videos displayed on the electronic device, some manufacturers have developed electronic devices with curved screens. However, when users want to paste on the electronic devices with curved screens When a protective sticker is used to protect the screen, it is often due to the curvature of the screen that the protective sticker cannot be completely attached to the screen. Even if a full-plane bonding method is used, a white border will be formed on the edge of the protective sticker.
於中華民國專利第M528872及M519066號,提及利用熱壓成型製成保護貼之曲面部分,以有效與螢幕完全貼合;但由於熱壓成型是靠壓力機和模具對材料施加外力及溫度,使材料產生塑性變形或分離,從而獲得所需形狀和尺寸的成品,所以成品之精度容易受施加外力與溫度控制之影響,因而無法確保每個成品之品質與精度之一制性。In the Republic of China Patent Nos. M528872 and M519066, it is mentioned that the curved part of the protective sticker is made by hot pressing to effectively fit the screen; but because the hot pressing depends on the press and the mold to apply external force and temperature to the material, Plastic deformation or separation of materials to obtain finished products of the required shape and size. Therefore, the accuracy of the finished product is easily affected by the application of external force and temperature control, so it is impossible to ensure the quality and accuracy of each finished product.
為解決上述課題,本發明提供一種保護膜製造方法,透過射出成型製成高精度與品質之保護膜成品。In order to solve the above-mentioned problems, the present invention provides a protective film manufacturing method, through injection molding to produce high-precision and high-quality protective film products.
本發明之一項實施例提供一種保護膜製造方法,其包含下列步驟:將一捲料裁切成一片材;將片材藉由一加工手段,令片材之表面覆有一離形層,以形成為一加工片材;將加工片材經由一切割手段形成一膜片;將膜片經由射出成型形成一半成品;以及將半成品進行一修整手段,以取得一保護膜成品。An embodiment of the present invention provides a method for manufacturing a protective film, which includes the following steps: cutting a roll of material into a sheet; using a processing method to coat the surface of the sheet with a release layer, It is formed into a processed sheet; the processed sheet is formed into a film through a cutting means; the film is formed into a semi-finished product through injection molding; and the semi-finished product is subjected to a trimming means to obtain a protective film finished product.
於其中一項實施例中,加工片材經由切割手段形成複數個膜片以及於每一膜片形成複數定位標記。In one of the embodiments, the processed sheet is cut to form a plurality of diaphragms and a plurality of positioning marks are formed on each diaphragm.
於其中一項實施例中,將所述膜片置入於一模具中,透過所述定位標記進行定位後,透過射出成型形成符合模具形狀之半成品。In one of the embodiments, the film is placed in a mold, and after positioning through the positioning mark, a semi-finished product conforming to the shape of the mold is formed through injection molding.
於其中一項實施例中,模具內設有複數定位件,每一定位件對應每一定位標記。In one of the embodiments, a plurality of positioning elements are provided in the mold, and each positioning element corresponds to each positioning mark.
於其中一項實施例中,於射出成型過程中,灌入一頂推材料令膜片形成符合模具之形狀,半成品設有離形層之一側面與頂推材料連接;當半成品經過修整手段後,將頂推材料去除,以形成保護膜成品。In one of the embodiments, during the injection molding process, a pusher material is poured into the film to form a shape that conforms to the mold. The semi-finished product is provided with a release layer and one side of the pusher material is connected; when the semi-finished product is trimmed , Remove the pushing material to form a finished protective film.
於其中一項實施例中,切割手段係透過雷射切割機將加工片材切割為所述膜片。In one of the embodiments, the cutting means is to cut the processed sheet into the film through a laser cutting machine.
於其中一項實施例中,捲料為高硬度高耐磨類玻璃材質。In one of the embodiments, the coil material is a glass material with high hardness and wear resistance.
於其中一項實施例中,加工手段為噴塗加工或貼合加工。In one of the embodiments, the processing means is spray processing or laminating processing.
於其中一項實施例中,修整手段係透過數值控制工具機或雷射切割機將半成品進行去毛邊作業。In one of the embodiments, the finishing means is to deburr the semi-finished product through a numerical control machine tool or a laser cutting machine.
藉由上述,本發明將膜片經過射出成型製成保護膜成品,能夠精確地控制注射速度和質量,以取得高精度之保護膜成品,藉以改善習知熱壓成型容易受外力與溫度影響精度之缺點。Based on the above, the present invention makes the film into a protective film product through injection molding, which can accurately control the injection speed and quality to obtain a high-precision protective film product, thereby improving the accuracy of conventional hot press molding that is easily affected by external forces and temperature. The shortcomings.
再者,本發明於膜片上設置定位標記,能夠與模具中之定位件對應定位,藉以快速且簡易完成置放程序,縮減製造作業時間;並且定位標記能夠提供修整作業時之定位參考,以更精確進行加工作業,形成高精度之保護膜成品。Furthermore, the present invention is provided with positioning marks on the diaphragm, which can be positioned corresponding to the positioning parts in the mold, thereby quickly and easily completing the placement procedure, reducing the manufacturing operation time; and the positioning marks can provide a positioning reference during the trimming operation. More precise processing operations, forming high-precision protective film products.
另外,本發明之捲料為高硬度高耐磨類玻璃材質,能夠無須額外進行鍍膜作業,藉以改善習知強化玻璃保護膜需額外進行度膜程序,而無法持久耐磨且易脫落之問題。In addition, the coil of the present invention is made of high-hardness, high-wear-resistant glass material, which can eliminate the need for additional coating operations, so as to improve the problem that the conventional strengthened glass protective film requires additional filming procedures, and cannot be durable and easy to fall off.
此外,本發明透過修整手段能夠精準去除半成品之毛邊,藉以有效提升保護膜成品尺寸之精準度。In addition, the present invention can accurately remove the burrs of the semi-finished products by trimming, thereby effectively improving the accuracy of the finished protective film size.
為便於說明本發明於上述發明內容一欄中所表示的中心思想,茲以具體實施例表達。實施例中各種不同物件係按適於說明之比例、尺寸、變形量或位移量而描繪,而非按實際元件的比例予以繪製,合先敘明。In order to facilitate the description of the central idea of the present invention expressed in the column of the above-mentioned summary of the invention, specific embodiments are used to express it. The various objects in the embodiment are drawn according to the proportion, size, deformation or displacement suitable for explanation, rather than drawn according to the proportion of the actual element, which will be described first.
請參閱圖1至圖4所示,本發明提供一種保護膜製造方法,用以透過下列步驟取得一保護膜成品10,保護膜成品10用以設置於電子裝置之螢幕或背面。1 to 4, the present invention provides a protective film manufacturing method for obtaining a
本發明保護膜製造方法包含下列步驟:The manufacturing method of the protective film of the present invention includes the following steps:
第一裁切步驟S1:將一捲料20裁切成一片材30,片材30具有相反設置之兩表面31;其中,捲料20為高硬度高耐磨類玻璃材質。The first cutting step S1: cutting a roll of
第一加工步驟S2:將片材30藉由一加工手段,令片材30之其中一表面31覆有一離形層32,以形成為一加工片材40,其中,加工手段為噴塗加工或貼合加工,如圖1所示。The first processing step S2: the
裁切步驟S3:將加工片材40經由一切割手段形成一膜片50,膜片50具有兩加工面51,兩加工面51等同於片材30之兩表面31,其中一加工面51設有離形層32;於本發明實施例中,加工片材40經由切割手段將切割為複數個膜片50,以及於每一膜片50形成複數定位標記52,其中,切割手段係透過雷射切割機;每個定位標記52為孔洞型態,每個定位標記52分為主定位孔521及副定位孔522,主定位孔521穿設於膜片50且配合每款電子裝置之相機孔及指紋孔之位置,副定位孔522穿設於每一膜片50之左右兩側延伸設置之延伸部53,如圖3所示。Cutting step S3: The processed
第二加工步驟S4:將所述膜片50置入於一模具60中,模具60內設有複數定位件61,每一定位件61對應每一定位標記52,膜片50透過所述定位標記52與所述定位件61進行定位後,透過射出成型形成符合模具60形狀之一半成品70;其中,於射出成型過程中,朝膜片50設有離形層32之加工面51方向灌入一頂推材料80,藉由頂推材料80呈現半固體狀態將膜片50推壓至模具60底部,以形成符合模具60形狀之半成品70,而半成品70設有離形層32之一側面與頂推材料80可分離連接,如圖1及圖4所示。The second processing step S4: Place the
修整步驟S5:將半成品70進行一修整手段,以去除半成品70之毛邊以及將延伸部53去除;接著,當半成品70經過修整手段後,將頂推材料80由半成品70之離形層32去除,以取得保護膜成品10。於本發明實施例中,修整手段係透過數值控制工具機或雷射切割機將半成品70進行去毛邊及去除延伸部53作業。Trimming step S5: Perform a trimming method on the
經由上述,本發明能夠達成下列功效:Through the above, the present invention can achieve the following effects:
一、本發明將膜片50經過射出成型能夠精確地控制注射速度和質量,藉以取得高精度且品質一致性之保護膜成品10。1. In the present invention, the
二、本發明於膜片50上設置所述定位標記52,能夠與模具60中之所述定位件61快速定位,藉以快速且簡易完成置放程序,縮減製造作業時間;而且所述定位標記52能夠提供修整作業時之定位參考,以更精確進行加工作業,形成高精度之保護膜成品10。2. The
三、本發明之捲料20為高硬度高耐磨類玻璃材質,能夠無須額外進行鍍膜作業,也就不會發生抗汙鍍膜脫落問題;藉此,有效達到抗汙及耐磨效果,進而增加保護膜成品10之使用壽命。3. The
此外,本發明透過修整手段能夠精準去除半成品70之毛邊,藉以有效提升保護膜成品10之尺寸精準度。In addition, the present invention can accurately remove the burrs of the
以上所舉實施例僅用以說明本發明而已,非用以限制本發明之範圍。舉凡不違本發明精神所從事的種種修改或變化,俱屬本發明意欲保護之範疇。The above-mentioned embodiments are only used to illustrate the present invention, and are not used to limit the scope of the present invention. All modifications or changes made without violating the spirit of the present invention belong to the scope of the present invention.
10:保護膜成品 53:延伸部 20:捲料 60:模具 30:片材 61:定位件 31:表面 70:半成品 32:離形層 80:頂推材料 40:加工片材 S1:第一裁切步驟 50:膜片 S2:第一加工步驟 51:加工面 S3:裁切步驟 52:定位標記 S4:第二加工步驟 521:主定位孔 S5:修整步驟 522:副定位孔 10: Finished protective film 53: Extension 20: coil material 60: Mould 30: sheet 61: Positioning piece 31: Surface 70: semi-finished products 32: Release layer 80: push material 40: Processing sheet S1: The first cutting step 50: diaphragm S2: The first processing step 51: processed surface S3: Cutting step 52: Positioning mark S4: Second processing step 521: main positioning hole S5: finishing steps 522: auxiliary positioning hole
圖1係本發明方法流程示意圖。 圖2係本發明片材處理至半成品示意圖。 圖3係本發明膜片示意圖。 圖4係本發明第二加工步驟放大示意圖。Figure 1 is a schematic diagram of the method of the present invention. Figure 2 is a schematic diagram of the sheet processing of the present invention to the semi-finished product. Figure 3 is a schematic diagram of the diaphragm of the present invention. Figure 4 is an enlarged schematic diagram of the second processing step of the present invention.
10:保護膜成品 10: Finished protective film
20:捲料 20: coil material
30:片材 30: sheet
32:離形層 32: Release layer
40:加工片材 40: Processing sheet
50:膜片 50: diaphragm
52:定位標記 52: Positioning mark
60:模具 60: Mould
70:半成品 70: semi-finished products
80:頂推材料 80: push material
S1:第一裁切步驟 S1: The first cutting step
S2:第一加工步驟 S2: The first processing step
S3:裁切步驟 S3: Cutting step
S4:第二加工步驟 S4: Second processing step
S5:修整步驟 S5: finishing steps
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