201107113 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及種模具’尤其涉及一種導光板成型模具。 【先前技術】 - [0002] 液晶顯示裝置具有輕、薄、耗電小等優點’廣泛應用於 現代化資訊設備中。由於液晶顯示面板中的液晶本身不 具發光特性，為達到顯示效果，必須給液晶顯示面板提 供一面光源裝置’如背光模組’該面光源裝置的功能在 於向液晶顯示面板提供亮度充分且均勻的面光源。導光 ® 板為面光源裝置中的關鍵元件，其必須具備良好的光學 設計，以使導光板能引導光源發出的光轉換為亮度均勻 的面光源。 [0003] 然而現有的導光板一般利用射出成型方式製造》但是在 .：; 導光板射出成形後，導光板易貼合在鏡面模仁上，導光 板和鏡面模仁之間形成真空狀態。而且導光板及鏡面模 仁的接觸面粗糙度非常低，使得在導光板與鏡面模仁之 Q 間不易進入空氣’因此導致導光板不易脫模取出。當採 用吸盤取出導光板時，一旦吸盤吸力過大將在導光板上 留下吸盤印’造成導光板上殘留水波紋的缺陷。從而影 響導光板的品質。 【發明内容】 [0004] 有鑒於此，有必要提供一種具有破真空結構的導光板成 塑模具。 一種導光板成型模具，所述導光板成型模具包括第一模 具單元、第二模具單元、複數個滑塊、吹氣裝置及複數 098129183 表單編號A0101 第5頁/共22頁 0982050039-0 [0005] 201107113201107113 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a mold for a particular embodiment of a light guide plate. [Prior Art] - [0002] The liquid crystal display device has the advantages of being light, thin, and low in power consumption, and is widely used in modern information equipment. Since the liquid crystal in the liquid crystal display panel itself has no light-emitting characteristics, in order to achieve the display effect, the liquid crystal display panel must be provided with a light source device such as a backlight module. The function of the surface light source device is to provide a sufficient and uniform brightness to the liquid crystal display panel. light source. The Light Guide ® board is a key component in a surface light source device that must have a good optical design so that the light guide can direct the light from the source to a uniform surface light source. [0003] However, the conventional light guide plate is generally manufactured by injection molding. However, after the light guide plate is formed and formed, the light guide plate is easily attached to the mirror mold core, and a vacuum state is formed between the light guide plate and the mirror mold core. Moreover, the contact surface roughness of the light guide plate and the mirror mold is very low, so that it is difficult to enter the air between the light guide plate and the Q of the mirror mold core, thus causing the light guide plate to be easily released from the mold. When the light guide plate is taken out by the suction cup, once the suction force of the suction cup is too large, the suction pad print on the light guide plate causes a defect of residual water ripple on the light guide plate. This affects the quality of the light guide. SUMMARY OF THE INVENTION [0004] In view of the above, it is necessary to provide a light guide plate molding die having a vacuum-destroying structure. A light guide plate forming mold comprising a first mold unit, a second mold unit, a plurality of sliders, a blowing device and a plurality of 098129183 Form No. A0101 Page 5 / Total 22 pages 0992050039-0 [0005] 201107113
個彈性件。所述第-模具單元包括第—成型面及側壁， 所述側壁環繞所述第一成型面設置，所述侧壁及所述第 一成型面相交處設置有至少一個缺口，所述缺口上設置 有出氣口，所述出氣口與所述吹氣裝置相連通。所述各 滑塊與所述側壁相配合，且能夠相對所述側壁滑動，所 述彈性件設置於各滑塊與侧壁之間，所述各滑塊均包括 凸起，所述凸起包括第二成型面，所述凸起與所述缺口 相配合，且所述凸起與所述缺口配合時，所述凸起阻塞 所述出氣口，所述第二成型面與所述第一成型面位於同 一平面。所述第二模具單元包括第三成型面，所述第三 成型面與所述第一成型面、第二成型面相對設置，所述 第一成型面、第二成型面、第三成型面及複數個滑塊圍 成模腔。Elastic pieces. The first mold unit includes a first molding surface and a side wall, the side wall is disposed around the first molding surface, and at least one notch is disposed at the intersection of the side wall and the first molding surface, and the notch is disposed on the notch There is an air outlet, and the air outlet is in communication with the air blowing device. The sliders are matched with the side walls and are slidable relative to the side walls, and the elastic members are disposed between the sliders and the side walls, each of the sliders includes a protrusion, and the protrusions include a second molding surface, the protrusion is matched with the notch, and when the protrusion is engaged with the notch, the protrusion blocks the air outlet, the second molding surface and the first molding The faces are on the same plane. The second mold unit includes a third molding surface, and the third molding surface is disposed opposite to the first molding surface and the second molding surface, and the first molding surface, the second molding surface, and the third molding surface A plurality of sliders enclose the cavity.
[0006]本發明提供的導光板成型模具，在成型完成後，可以通 過缺口向第一模具單元及成型的產品之間吹入氣體，從 而實現所述第-模具單元與成型的產品之力的破真空， 有利於第一模具單年與產品的順利分離。 【實施方式】 剛了面將結合_ ’對本發明作進—步的詳細說明。 闺請參閱圖丨及圖2，為本發明提供的導光板成型模具1〇〇， 所述導光板成型模具100用於成形導光板2〇〇。所述導光 板成型模具100包括第一模具單元1〇、第二模具單元2〇、 第'月塊31、第二滑塊32、第三滑塊33、第四滑塊34、 吹亂裝置（圖中未緣出）、九個彈性件50及承載板6 0。 098129183 所述第一模具單元10包括第 表單編號A_ 帛6頁/共22 —成型面11、側壁1 2、第一 頁 0982050039-0 [0009] 201107113 Ο [0010] ❹ [0011] [0012] 098129183 缺口 13、第二缺口 14、第一通氣道15(見圖4)、第二通 氣道16(見圖4)、第一入氣口 17、第二入氣口 18及第二 表面19。本實施方式中’所述第一模具單元1〇係矩形的 鏡面模仁。所述第一成型面11及所述第二表面19相對。 所述侧壁12包括第一侧面120，第二侧面121、第三側面 122、第四側面123及九個第一容置槽124。所述第一側 面120與所述第三側面122相對，所述第二側面121與所 述第四側面123相對。所述九個容置槽124分成三組，分 別位於所述第一側面12〇、第三側面122及第四侧面123 上述第一容置槽124用於容置彈性件5〇。本實施方式 中’所述第一容置槽124係圓的盲孔。所述彈性件5〇係彈 簧。 ：蒙 ί. :¾ 所述第一缺口 13設置於所述第一侧面120與所述第一成型 面11的相交處。所述第一缺口 13包括第一出氣口 130，所 述第一出氣口 130係圓形。本實施方式中，所述第一缺口 ：y ：i： A ·Λ' ；- ΐ. ：> 13的截面係矩形。所述第一缺口13的截面也可以係圓形 、三角形等形狀。 所述第一缺口 14的結構與所述第一缺口 13相同，所述第 二缺口 14設置於所述第三側面122與所述第一成型面11的 相交處。所述第二缺口 14包括第二出氣口14〇(見圖4)， 所述第二出氣口 14〇係圓形。當然，所述第一模具單元1〇 也可以形成有一個缺口或多於兩個的缺口。 所述導光板200包括中心的工作區域21〇及周圍少許用於 固定的夾持區域220，由於所述工作區域21〇的精度要求 非常尚，所以將所述第一缺口〗3及第二缺口 14設置於所 表單編號Α0101 第7頁/共22頁 0982050039-0 201107113 [0013] [0014] [0015] [0016] [0017] 098129183 述第一成型面11及所述側壁12的相交處，位於精度要求 較低的夾持區域220，從而不會影響導光板2〇〇的工作性 能。 凊參閱圖4及圖5，所述第一通氣道15及第二通氣道16形 成於所述第一模具單元1〇内。本實施方式中，所述第一 通氣道15及第二通氣道16均係圓管型通道。所述第一入 氣口 17及第二入氣口 18形成於所述第二表面1 9。所述第 —通氣道15連通所述第一入氣口 17及第一出氣口 13〇，用 於將氣體導到所述第-缺卩13。職第二職祕連通 所述第二入氣口18及第二出氣口 14〇，用於將氣體導到所 述第二缺口 14'。 當然，所述第一模具單元10内也可以不成型所述第一通 氣道15及第二通氣道16，而採用通氣軟管向所述第一缺 口 13及第二缺口 14送氣。 所述吹氣裝置用於向所述第一入氣口 17及第二入氣口丄8 吹入高壓氣體。 "月參見圖1及圖2，所述第一滑塊31、第三滑塊33及第四 滑塊34均可以相對所述第—模具單元1〇移動。所述第二 滑塊32與所述第一模具單元1〇相對固定。 所述第一滑塊31包括第一配合面31〇、第一凸起311、三 個第二容置槽312、第—壓合面313、第一抵靠面314、 第一滑動面315及第一滑動部gig。 所述第一抵靠面314與所述第二模具單元2〇相對。所述第 一壓合面313係一斜面，所述第一壓合面313上受到第二 第8頁/共22頁 表單編號A0101 0982050039-0 [0018] 201107113 杈具單元2〇的擠壓時，所 4第—滑塊3!將做靠近所u 模具早元10的運動。所 斤述第 配合面310與所 1 目皮戶斤逑第一配合面3 楚 相配合。本實施方式中，所” ◎側面120 述第一配合面31〇能夠貼合 面，所 三個第二容置_312位於/所述第一側面120上。所述 日1於所述第一配合面310上，盘你 第一側面120上的篦一交蜜& 與所述 #50〇 置槽124相對應，用於容置彈<J± 二:所述第一配合面31〇貼合於所述第一彈二 Ο [0019][0006] The light guide plate forming mold provided by the present invention can blow gas into the first mold unit and the molded product through the notch after the molding is completed, thereby realizing the force of the first mold unit and the molded product. Breaking the vacuum is conducive to the smooth separation of the first mold and the product. [Embodiment] A detailed description of the present invention will be made in conjunction with _'. Please refer to FIG. 2 and FIG. 2 , which is a light guide plate forming mold 1 provided by the present invention, and the light guide plate forming mold 100 is used for forming a light guide plate 2 . The light guide plate forming die 100 includes a first die unit 1〇, a second die unit 2〇, a first month block 31, a second slider 32, a third slider 33, a fourth slider 34, and a blow device ( Not shown in the figure), nine elastic members 50 and a carrier plate 60. 098129183 The first mold unit 10 includes a first form number A_ 帛 6 pages / a total of 22 - a molding surface 11 , a side wall 1 2 , a first page 0992050039-0 [0009] 201107113 Ο [0010] ❹ [0011] [0012] 098129183 The notch 13, the second notch 14, the first air passage 15 (see FIG. 4), the second air passage 16 (see FIG. 4), the first air inlet 17, the second air inlet 18, and the second surface 19. In the present embodiment, the first mold unit 1 is a rectangular mirror mold. The first molding surface 11 and the second surface 19 are opposite to each other. The sidewall 12 includes a first side 120, a second side 121, a third side 122, a fourth side 123, and nine first receiving slots 124. The first side surface 120 is opposite to the third side surface 122, and the second side surface 121 is opposite to the fourth side surface 123. The nine accommodating slots 124 are divided into three groups, which are respectively located on the first side surface 12, the third side surface 122 and the fourth side surface 123. The first accommodating groove 124 is used for accommodating the elastic member 5''. In the present embodiment, the first accommodating groove 124 is a blind hole. The elastic member 5 is a spring. The first notch 13 is disposed at the intersection of the first side surface 120 and the first molding surface 11. The first gap 13 includes a first air outlet 130, and the first air outlet 130 is circular. In this embodiment, the first notch: y : i: A · Λ ' ; ΐ. : > 13 has a rectangular cross section. The cross section of the first notch 13 may also be in the shape of a circle, a triangle or the like. The first notch 14 has the same structure as the first notch 13, and the second notch 14 is disposed at the intersection of the third side 122 and the first molding surface 11. The second gap 14 includes a second air outlet 14 (see Fig. 4), and the second air outlet 14 is circular. Of course, the first mold unit 1〇 may also be formed with one notch or more than two notches. The light guide plate 200 includes a central working area 21〇 and a small clamping area 220 for fixing. Since the precision of the working area 21〇 is very high, the first gap 3 and the second gap are 14 is set in the form number Α 0101, page 7 / total 22 pages 0992050039-0 201107113 [0013] [0016] [0017] 00129183 The intersection of the first molding surface 11 and the side wall 12 is located The clamping area 220 with lower precision is required so as not to affect the performance of the light guide plate 2 . Referring to Figures 4 and 5, the first air passage 15 and the second air passage 16 are formed in the first mold unit 1A. In the present embodiment, the first air passage 15 and the second air passage 16 are both tubular passages. The first air inlet port 17 and the second air inlet port 18 are formed on the second surface 19 . The first air passage 15 communicates with the first air inlet 17 and the first air outlet 13〇 for guiding the gas to the first defect 13 . The second service port communicates with the second air inlet port 18 and the second air outlet port 14〇 for guiding the gas to the second gap 14'. Of course, the first air passage 15 and the second air passage 16 may not be formed in the first mold unit 10, and the first notch 13 and the second notch 14 may be supplied with air through a ventilation hose. The air blowing means is for blowing high pressure gas into the first air inlet port 17 and the second air inlet port 8 . "Month Referring to Figs. 1 and 2, the first slider 31, the third slider 33, and the fourth slider 34 are all movable relative to the first die unit 1〇. The second slider 32 is relatively fixed to the first die unit 1〇. The first sliding block 31 includes a first mating surface 31 , a first protrusion 311 , three second receiving grooves 312 , a first pressing surface 313 , a first abutting surface 314 , a first sliding surface 315 , and The first sliding portion gig. The first abutting surface 314 is opposite to the second die unit 2〇. The first pressing surface 313 is a sloped surface, and the first pressing surface 313 is subjected to a second 8th page/total 22 page form number A0101 0982050039-0 [0018] 201107113 when the cooker unit 2〇 is squeezed , the 4th - slider 3! will do the movement close to the u mold 10 early. The first mating surface 310 is matched with the first mating surface of the first eye. In the present embodiment, the first mating surface 31A of the side surface 120 can be adhered to the surface, and the three second accommodating surfaces 312 are located on the first side surface 120. The day 1 is at the first On the mating surface 310, the first surface of the disk 120 on the first side 120 corresponds to the #50 slot 124 for accommodating the bomb <J±2: the first mating surface 31〇 Fitting to the first bomb [0019]
QQ
[0020] [0021] 时，所述彈性件50被播屋於所述第-容置槽124及第 置槽312之間。 4次第二容 所述第-凸起311形成於所迷第—配合面則上 一 ^311係-個與所述第一缺口财配合的矩形塊。卷 所述第—凸起311與所述第—缺口 Π配合時，所述第^ 起311阻塞所述第一出氣叩G。所述第一凸起311 第二成型面3lla.當所述第—凸起311與所述第一缺口 13配合時’所述第二成型面3Ua與所述第一成型面^位 於同一平面上，從而防止導光板2〇〇成形時成型材料進入 所述第-缺口13’阻塞第-出氣口130’同時也不會在導 光板200上形成多餘的材料。 第〆滑動面315與所述第一抵靠面314相背，所述第一滑 動部316固定於所述第一滑動面315上。 所述第二滑塊32包括第二配合面320、第二抵靠面322、 第>滑動面323及第二滑動部324。 所述第二配合面320與所述第二側面121相配合。本實施 098129183 表單編號A〇1〇l 第9頁/共22頁 0982050039-0 [0022] 201107113 方式中，所述第二配合面320係平面，所述第二配合面 320與所述第二侧面121貼合在一起。所述第二抵靠面 322與所述第二模具單元20相抵靠，所述第二抵靠面322 上形成有澆口 322a。所述第二滑動面323與所述第二抵靠 面322相背，所述第二滑動部324固定於所述第二滑動面 323 上。 [0023] 所述第三滑塊33的結構與所述第一滑塊31的結構相同。 所述第三滑塊33包括第三配合面330、第二凸起331、三 個第三容置槽332、第三壓合面333、第三抵靠面334、 ^ 第三滑動面335及第三滑動部336。 [0024] 所述第三抵靠面334與所述第二模具單元20相對。所述第 三壓合面333係一斜面，所述第三壓合面333受到第二模 具單元20的擠壓時，所述第三滑塊33將做靠近所述第一 模具單元10的運動。所述第三配合面330與所述第三壓合 面333相背。所述第三配合面330與所述第三側面122相 配合。本實施方式中，所述第三配合面330係平面，所述 第三配合面330能夠貼合於所述第三侧面122上。所述三 ί/ 個第三容置槽332位於所述第三配合面330上，與所述第 三側面122上的第一容置槽124相對應，用於容置彈性件 50。本實施方式中，所述第二凸起331形成於所述第三配 合面330上。所述第二凸起331與所述第二缺口 14配合。 所述第二凸起331包括第二成型面311a。當所述第二凸起 331與所述第二缺口 14配合時，所述第二成型面31 la與 所述第一成型面11位於同一平面上。所述第三滑動面335 與所述第三抵靠面334相背，所述第三滑動部336固定於 098129183 表單編號A0101 第10頁/共22頁 0982050039-0 201107113 所述第三滑動面335上 [0025] 破四S己合面340、二個第四忠署播〆 所述第四滑塊34包括第四 不β谷置糟（ 〆八面3 4 3、第四抵罪面344、笛tombl 圖中未顯示）、第四蘑合餌 4第四滑 動面345及第四滑動部346 ° [0026] 所述第四抵靠面344與所述第二模具單元2〇相對。所述第 四壓合面_-斜面，所述第四壓合面343受到第二模 Ο 具單元2G的擠壓時，所述第四滑塊34將做靠近所述第— 模具單元1G的運動。Μ述第四配合面34Q與所述第四壓合 面343相背。所述第―合面340與所述第四侧面123相 配合。本實施方式中，所述第四配合面340係平面，所述 第四配合面340能夠貼合於所述第四側面123上。所述三 個第四容置槽位於所述第四配合面3 4 0上，與所述第四侧 面123上的第一容置槽124相對應’用於容置彈性件50。 所述第四滑動面345與所述第四抵靠面料4相为 所述第 [0027] ❹ 四滑動部346固定於所述第四滑動面,345上。 請參閱圖2及圖3，所述承載板60用於承載第一模具單元 10及第一滑塊31、第二滑塊32、第三滑塊33及第四滑塊 34。所述第一模具單元1〇固定連接於所述承載板上。 098129183 本實施方式中，所述承載板60包括十字槽61 ’所述第一 滑塊31的第一滑動部316、第二滑塊32的第二滑動部324 、第三滑塊33的第三滑動部336及第四滑塊34的第四滑動 部346均與所述十字槽61相配合。所述第〆潸塊31、第三 滑塊3 3及第四滑塊3 4能夠在所述十字槽61内潸動。所述 第二潸動部324固定於所述十字槽61内。所述十字槽61用 於的長度按照第一滑塊31、第三滑塊33及第四滑塊34的 表單煸號A0101 第11頁/共22頁 0982050039-0 201107113 所需的滑動位移量設計。 [0028] 所述第二模具單元20包括第一模面21、第二模面22、入 料管道23、第一壓塊24、第二壓塊25及第三壓塊26。 [0029] 所述第一模面21與所述第二模面22相對。所述入料管道 23貫穿所述第一模面21及第二模面22。所述入料管道23 與所述第二滑塊32的澆口 322a相對應。所述第二模面22 包括第三成型面220。所述第三成型面220係矩形。所述 第三成型面220與所述第一成型面11相對。所述第一壓塊 24、第二壓塊25及第三壓塊26圍繞於所述第三成型面 Ο 220的三條邊設置。 [0030] 所述第一壓塊24包括第五壓合面240，所述第五壓合面 240與所述第一滑塊31的第一壓合面313相配合，用於將 所述第一滑塊31擠壓到所述第一模具單元1 0的第一側面 120上。所述第二壓塊25包括第六壓合面250，所述第六 壓合面250與所述第一滑塊33的第三壓合面333相配合， 用於將：所述第二滑塊32擠壓到所述第一模具單元10的第 二 三侧面122上。所述第三壓塊26包括第七壓合面260，所 述第七壓合面260與所述第四滑塊26的第四壓合面343相 配合，用於將所述第四滑塊34擠壓到所述第一模具單元 1 0的第四側面12 3上。 [0031] 請參閱圖4，當所述第二模具單元20與第一模具單元10合 模時，所述第二模具單元20的第五壓合面240、第六壓合 面250及第七壓合面260分別擠壓所述第一壓合面313， 第三壓合面333及第四壓合面343。所述第一滑塊31、第 098129183 表單編號A0101 第12頁/共22頁 0982050039-0 201107113 三滑塊33及第四滑塊34被擠壓貼靠到所述第一模具單元 10上。同時所述彈性件50被壓縮於所述第—滑塊31 '第 二滑塊33及第四滑塊34及所述第一模具單元1〇之間。所 述第一滑塊31的第一凸起311封閉所述第一缺口 13，所述 第三滑塊33的第二凸起331封閉所述第二缺口 14。所述第 二模具單元20與第一模具單元10及所述第—滑塊31 '第 二滑塊32、第三滑塊33及第四滑塊34之間形成模腔9〇， 通過注塑工藝將所述成模材料通過入料管道23注入模腔 90形成導光板200。 ο [0032] Ο 請參閱圖5，當開模時’所述第二模具單元2〇先不完全開 模’只是利用推出機構（圖中未顯示）將導光板2〇〇推出 模腔90，所述第二模具單元2〇遠離所述第一模具單元“ 一定距離，保證所述第一滑塊31、第三滑塊33及第四滑 塊34在彈性件50的推動下遠離所述第一模具單元1〇_段 距離，但所述第一凸起311及第二凸起331與所述第一缺 口 13及第二缺口 14之間不分離，只是露出所述第—出氣 口 130及所述第二出氣口 14〇，所述吹氣裝置向所述第一 缺口 13、第二缺口14内中吹入高壓氣體，高壓氣體進入 工件200及所述第一模具單元1〇的分界面⑽，處實現破真 空。 [0033] 本發明提供的導光板成型楔具，在成型完成後 ，可以通 過缺口向第一模具單元及成型的產品之間吹入氣體，從 而實現所述第一模具單元與成型的產品之間的破真空， 有利於第一模具單元與產品的順利分離。 098129183 另外，本領域技術人員可在本發明精神内做其他變化， 表單編號Α0101 第13頁/共22頁 0982050039-0 [0034] 201107113 但是，凡依據本發明精神實質所做的變化，都應包含在 本發明所要求保護的範圍之内。 【圖式簡單說明】 [0035] [0036] [0037] [0038] [0039] [0040] 圖1為本發明提供的導光板成型模具的分解示意圖； 圖2為圖1的導光板成型模具另一視角的分解示意圖； 圖3為圖1中的導光板成型模具的不意圖； 圖4為圖1中的導光板成型模具的組合示意圖； 圖5為圖1中的導光板成型模具的狀態圖。 【主要元件符號說明】 導光板成型模 100 第一模具單元 10 具 第一成型面 11 側壁 12 第一侧面 120 第二侧面 121 第三侧面 122 第四侧面 123 第一容置槽 124 第一缺口 13 第一出氣口 130 第二缺口 14 第二出氣口 140 第一通氣道 15 第二通氣道 16 第一入氣口 17 第二入氣口 18 第二表面 19 第二模具單元 20 第一模面 21 第二模面 22 入料管道 23 第一壓塊 24 第五壓合面 240 第二壓塊 25 第六壓合面 250 第三壓塊 26 第七壓合面 260 表單編號A0101 第14頁/共22頁 0982050039-0 098129183 201107113 第一滑塊 31 第一配合面 310 第一配合面 310 第一凸起 311 第二容置槽 312 第二成型面 311a 第一壓合面 313 第一抵靠面 314 第一滑動面 315 第一滑動部 316 第二滑塊 32 第二配合面 320 第一抵在面 322 洗口 322a 第二滑動面 323 第二滑動部 324 第三滑塊 33 第三配合面 330 第二凸起 331 第三容置槽 332 第三壓合面 333 第三抵靠面 334 第三滑動面 335 第三滑動部 336 第四滑塊 34 第四配合面 340 第四壓合面 343 第四抵靠面 344 第四滑動面 345 第四滑動部 346 彈性件 50 承載板 60 十字槽 61 導光板 200 工作區域 210 爽持區域 220 098129183 表單編號A0101 第15頁/共22頁 0982050039-0[0021] When the elastic member 50 is broadcasted between the first accommodating groove 124 and the first groove 312. 4th second capacity The first protrusions 311 are formed on the first mating surface, and then a ^311 series is a rectangular block that cooperates with the first gap. When the first protrusion 311 is engaged with the first notch ,, the first 311 blocks the first air outlet G. The first protrusion 311 is formed on the same plane as the first molding surface 3 when the first protrusion 311 is engaged with the first notch 13 Therefore, the molding material is prevented from entering the first notch 13' to block the first air outlet 130' when the light guide plate 2 is formed, and the excess material is not formed on the light guide plate 200. The first sliding surface 315 is opposite to the first abutting surface 314, and the first sliding portion 316 is fixed to the first sliding surface 315. The second slider 32 includes a second mating surface 320, a second abutting surface 322, a > sliding surface 323, and a second sliding portion 324. The second mating surface 320 cooperates with the second side surface 121 . The present invention is in the form of a plane, the second mating surface 320 and the second side. 121 fit together. The second abutting surface 322 abuts against the second die unit 20, and the second abutting surface 322 is formed with a gate 322a. The second sliding surface 323 is opposite to the second abutting surface 322, and the second sliding portion 324 is fixed to the second sliding surface 323. [0023] The structure of the third slider 33 is the same as that of the first slider 31. The third slider 33 includes a third mating surface 330 , a second protrusion 331 , three third accommodating grooves 332 , a third pressing surface 333 , a third abutting surface 334 , a third sliding surface 335 , and The third sliding portion 336. [0024] The third abutting surface 334 is opposite to the second die unit 20. The third pressing surface 333 is a slope. When the third pressing surface 333 is pressed by the second mold unit 20, the third slider 33 will be moved close to the first mold unit 10. . The third mating surface 330 is opposite to the third pressing surface 333. The third mating surface 330 cooperates with the third side surface 122. In this embodiment, the third mating surface 330 is a flat surface, and the third mating surface 330 can be attached to the third side surface 122. The third accommodating groove 332 is located on the third mating surface 330 corresponding to the first accommodating groove 124 on the third side surface 122 for accommodating the elastic member 50. In this embodiment, the second protrusions 331 are formed on the third mating surface 330. The second protrusion 331 is engaged with the second notch 14. The second protrusion 331 includes a second molding surface 311a. When the second protrusion 331 is engaged with the second notch 14, the second molding surface 31 la is located on the same plane as the first molding surface 11 . The third sliding surface 335 is opposite to the third abutting surface 334, and the third sliding portion 336 is fixed at 098129183. Form No. A0101 Page 10 / Total 22 pages 0992050039-0 201107113 The third sliding surface 335 [0025] The four-seat 340, the four fourth squad, the fourth slider 34 includes a fourth non-beta stagnation (〆八面3 4 3, fourth sin surface 344, flute The fourth mushroom joint 4, the fourth sliding surface 345, and the fourth sliding portion 346° are not shown in the tombl figure. The fourth abutting surface 344 is opposite to the second mold unit 2''. The fourth pressing surface _-bevel, when the fourth pressing surface 343 is pressed by the second mold unit 2G, the fourth slider 34 will be close to the first mold unit 1G motion. The fourth mating surface 34Q is opposite to the fourth pressing surface 343. The first mating face 340 mates with the fourth side face 123. In this embodiment, the fourth mating surface 340 is a flat surface, and the fourth mating surface 340 can be attached to the fourth side surface 123. The three fourth receiving slots are located on the fourth mating surface 340, corresponding to the first accommodating slots 124 on the fourth side surface 123 for accommodating the elastic member 50. The fourth sliding surface 345 and the fourth abutting fabric 4 are the same. [0027] The four sliding portions 346 are fixed to the fourth sliding surface 345. Referring to FIGS. 2 and 3, the carrier plate 60 is configured to carry the first die unit 10 and the first slider 31, the second slider 32, the third slider 33, and the fourth slider 34. The first mold unit 1 is fixedly coupled to the carrier plate. 098129183 In the embodiment, the carrier plate 60 includes a first sliding portion 316 of the first slider 31, a second sliding portion 324 of the second slider 32, and a third portion of the third slider 33. Both the sliding portion 336 and the fourth sliding portion 346 of the fourth slider 34 are engaged with the cross recess 61. The second block 31, the third slider 3 3, and the fourth slider 34 can be swung within the cross recess 61. The second swaying portion 324 is fixed in the cross groove 61. The length of the cross groove 61 is designed according to the required sliding displacement of the first slider 31, the third slider 33 and the fourth slider 34 in the form number A0101 page 11 / 22 pages 0992050039-0 201107113 . [0028] The second die unit 20 includes a first die face 21, a second die face 22, a feed conduit 23, a first press block 24, a second press block 25, and a third press block 26. [0029] The first die face 21 is opposite to the second die face 22 . The feed conduit 23 extends through the first die face 21 and the second die face 22. The feed conduit 23 corresponds to the gate 322a of the second slider 32. The second die face 22 includes a third forming face 220. The third molding surface 220 is rectangular. The third molding surface 220 is opposed to the first molding surface 11. The first pressure block 24, the second pressure block 25, and the third pressure block 26 are disposed around the three sides of the third molding surface 220. [0030] The first pressing block 24 includes a fifth pressing surface 240, and the fifth pressing surface 240 cooperates with the first pressing surface 313 of the first slider 31 for A slider 31 is pressed onto the first side 120 of the first mold unit 10. The second pressing block 25 includes a sixth pressing surface 250, and the sixth pressing surface 250 cooperates with the third pressing surface 333 of the first slider 33 for: the second sliding The block 32 is pressed onto the second three side faces 122 of the first mold unit 10. The third pressing block 26 includes a seventh pressing surface 260, and the seventh pressing surface 260 cooperates with the fourth pressing surface 343 of the fourth sliding block 26 for the fourth sliding block 34 is pressed onto the fourth side 12 3 of the first mold unit 10 . Referring to FIG. 4, when the second mold unit 20 is clamped with the first mold unit 10, the fifth pressing surface 240, the sixth pressing surface 250, and the seventh portion of the second mold unit 20 are The pressing surface 260 presses the first pressing surface 313, the third pressing surface 333, and the fourth pressing surface 343, respectively. The first slider 31, the 098129183, the form number A0101, the 12th page, and the 22nd page, 0982050039-0, 201107113, the three sliders 33 and the fourth slider 34 are pressed against the first mold unit 10. At the same time, the elastic member 50 is compressed between the second slider 33 and the fourth slider 34 of the first slider 31' and the first mold unit 1A. The first protrusion 311 of the first slider 31 closes the first notch 13, and the second protrusion 331 of the third slider 33 closes the second notch 14. Forming a cavity 9〇 between the second die unit 20 and the first die unit 10 and the second slider 32, the third slider 33, and the fourth slider 34 of the first slider unit 31, through an injection molding process The mold material is injected into the cavity 90 through the feed pipe 23 to form the light guide plate 200. ο [0032] Ο Referring to FIG. 5, when the mold is opened, the second mold unit 2 is not fully opened, but the light guide plate 2 is pushed out of the mold cavity 90 by using an ejection mechanism (not shown). The second mold unit 2 is away from the first mold unit by a certain distance, and ensures that the first slider 31, the third slider 33 and the fourth slider 34 are driven away from the first member 31, the third slider 33 and the fourth slider 34 by the elastic member 50. a mold unit 1〇_ segment distance, but the first protrusion 311 and the second protrusion 331 are not separated from the first gap 13 and the second gap 14 except that the first air outlet 130 is exposed. The second air outlet 14〇, the air blowing device blows high-pressure gas into the first notch 13 and the second notch 14, and the high-pressure gas enters the interface between the workpiece 200 and the first die unit 1〇 (10) The vacuum forming of the light guide plate is provided. [0033] After the molding is completed, the gas can be blown into the first mold unit and the molded product through the notch, thereby realizing the first mold. The vacuum between the unit and the molded product is beneficial to the first mold Separate separation of the product and the product. 098129183 In addition, other variations can be made by those skilled in the art within the spirit of the invention, Form No. 1010101, Page 13 of 22, 0982050039-0 [0034] 201107113 However, in accordance with the spirit of the present invention Changes made should be included in the scope of the present invention. [Simplified Description of the Drawings] [0036] [0040] [0040] FIG. 1 is a guide provided by the present invention 2 is an exploded perspective view of the light guide plate forming mold of FIG. 1; FIG. 3 is a schematic view of the light guide plate forming mold of FIG. 1; FIG. 4 is a light guide plate forming mold of FIG. Figure 5 is a state diagram of the light guide plate forming mold of Figure 1. [Main component symbol description] Light guide plate molding die 100 First mold unit 10 has a first molding surface 11 Side wall 12 First side 120 Second side 121 third side 122 fourth side 123 first accommodating groove 124 first notch 13 first air outlet 130 second notch 14 second air outlet 140 first air passage 15 second air passage 16 first air inlet 17 second air inlet 18 second surface 19 second mold unit 20 first mold surface 21 second mold surface 22 feed pipe 23 first pressure block 24 fifth pressure surface 240 second pressure block 25 sixth pressure surface 250 third pressure block 26 seventh pressure surface 260 form number A0101 page 14 / total 22 page 0992050039-0 098129183 201107113 first slider 31 first mating surface 310 first mating surface 310 first protrusion 311 second capacity Groove 312 second molding surface 311a first pressing surface 313 first abutting surface 314 first sliding surface 315 first sliding portion 316 second sliding surface 32 second mating surface 320 first abutting surface 322 washing 322a Second sliding surface 323 second sliding portion 324 third sliding rod 33 third mating surface 330 second projection 331 third receiving groove 332 third pressing surface 333 third abutting surface 334 third sliding surface 335 third sliding Part 336 fourth slider 34 fourth mating surface 340 fourth pressing surface 343 fourth abutting surface 344 fourth sliding surface 345 fourth sliding portion 346 elastic member 50 carrier plate 60 cross recess 61 light guide plate 200 working area 210 cool Holding area 220 098129183 Form No. A0101 15 pages/total 22 pages 0982050039-0