1229635 玖、發明說明： 【發明所屬之技術領域】 本發明是有關於一種以阳材質製成的鞋墊，特別θ 指一種具透氣孔之pu鞋墊的製造方法。 疋 5 【先前技術】 如圖1所示，現有一種具有透氣孔之叩鞋塾的製造 方法，包含下列步驟： 步驟-：製備-布層及一成型模具，該成型模具具有 一下扠座、一對應於該下模座之上模座。 10 15 步驟二：在該布層-底面塗佈一以黏膠為例之隔離層 以形成一基材。 步驟三：將該基材固設在該上模座底面，且將ρυ原 料洗注於該成型模具之下模座中’該pu原料是以異氰酸 鹽、多元醇等兩液混合而成。 步驟四：將該成型模具之上、下模座閉合，利用該隔 離層可避免PU原料向上滲透。 步驟五· Pu原料完成放熱反應，且PU原料固化而形 成一與基材固結的胚體後，即可開啟該成型模具。 ^步驟六：可獲得一 PU鞋墊半成品，且胚體内部雖具 有氣孔但胚體底部及周面均有不透氣之皮膜，而頂部則 亦因隔離層的設置而阻隔透氣，故該鞋墊半成品並不透 氣0 步驟七：對鞋墊半成品進行衝孔作業。 乂驟八.進行外型之裁切後即可獲得透氣鞋墊之成 20 1229635 ππ ° 上述的製造方法仍具有以下的缺失： 、一般的鞋墊製造廠商不一定都有購置衝孔裝置， 故彺彺疋在鞋墊半成品製成後再運送至衝壓廠進行衝孔 作業，不僅浪費工時且耗費成本。 一、利用實心針狀的衝孔裴置對該Ρυ鞋墊半成品進 行衝孔時，會壓實胚體的實肉部份，且使PU鞋墊失去彈 性。 -、该等透氣孔完全是利用衝孔方式形《，故透氣孔 的内環面會產生粗糙刮痕，造成孔型不完整。 【發明内容】 因此，本發明之目的，即在提供一種在一成型模具内 部設置-穿孔單it，利用該穿孔單S可在閉模時貫穿一洗 注在-下模座内部的PU原料及一固設在一上模座上的基 材之具透氣孔之PU鞋墊的製造方法。 本發明具透氣孔之PU鞋塾的製造方法，包含下列步 驟.（A)製備-布層及一成型模具，該成型模具具有一下 模座、-對應於該下模座之上模座，彼此相對閉合時 成-模穴’該成型模具更具有一可伸設在模穴中的穿孔單 P⑻在該布層—底面塗佈—隔離層以形成_基 將該基材固設在該上模座之一底面，且將_ pu原料濟注 於3亥下模座中’且使隔離層對應於該PU原料。（D)將該 上'下模座閉合，且使穿孔單元可貫㈣原料及基材 烈原料完成放熱反應’且pu原料固化成型且與基材固結 1229635 後’即可開啟該成型模具。⑺可獲得一具有多數貫穿透 氣孔的PU革土墊半成品。（G )裁切。（H ) PU鞋墊成品。利 用上述步驟是可在模内直接形成透氣孔，故可省略衝孔之 步驟，且可降低製造成本。 5 10 15 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之二較佳實施例的詳細說明中，將可清 楚的明白。 參閱圖2與圖3，本發明具透氣孔之p u鞋墊的製造 =法之第一較佳實施例是適用於製作具有較小孔徑之透 氣孔之PU鞋墊，並包含下列步驟： 步驟一：製備一布層11及一成型模具30。該布層n 了為毛巾布不織布、編織物。本實施例的成型模具3 〇 具有-下模座31、-可與該下模座31產生相互閉合或分 離之上模座32及一連結在該下模座31上的穿孔單元”， 且該下、上模座3卜32彼此相對閉合時可形成一模穴料， 該穿孔單元33具有多數穿孔針331，該等穿孔針331具有 一位於末端的尖部332,並可由該下模座31的一模穴底面 311延伸至該上模座32 -底面321上並貫穿該模穴料， 且該底面321凹設有多數可供穿孔針331之尖部3犯嵌入 定位的定位凹孔322。 11底面塗佈-以黏膠為例之隔離層 步驟二··在該布層 12以形成一基材1 〇。 步驟三··將該基材 10黏貼固設在該上模座32之底面 20 1229635 321上，且將一以異氰酸鹽、多元醇等兩液混合而成的pu 原料40澆注於該成型模具3〇之下模座31中，且使隔離層 12對應於該PU原料40。 步驟四：如圖4、圖5所示，將該上、下模座32、3 i 閉合，利用該隔離層12的設置可避免pu原料4〇向上滲透 至布層11，同時，該穿孔單元33利用該等穿孔針331之尖 邛332可刺牙该Pu原料4〇及基材1〇，最後可使尖部μ] 甘欠套疋位在第二模座32的定位凹孔322中。 ίο 15 步驟五· PU原料40進行放熱反應，且該pu原料4〇 固化而形成-與基材1()固結的胚體4〇，後，即可開啟該成 型模具30。 步驟六：可自下模座31中取出_具有多數貫穿透氣孔 110的PU鞋墊半成品1〇〇,。 步驟七：進行外型裁切，即可獲得一具有多數貫穿透氣 孔110的PU鞋塾成品100 (如圖6所示）。 經由以上的說明，可再將本發明第一實施例的優 々rici — Ί|ΐ · * ^ 一、尽魚明該等穿孔針331是在該PU原料40注入下 核座31 Θ部且尚未固化前，隨即閉模而刺穿該PU原料40 土材10且當Ρϋ原料40完成放熱反應且變成胚體40, 後’即可在内部自然形成有貫穿透氣孔11G 衝孔加1，可簡化製程、降低成本。 而再進仃 Π〇° - ,Μ. 110，故可使PU鞋墊保有較佳之彈性。 20 1229635 三、本發明透纽UG，是在該_4()，㈣的過程中 形成’所以，透氣孔11G，的孔壁會自_成—皮膜表層， 可使該等透氣孔⑽產生較佳的結構強度，而易於保持孔 型’以利空氣流通。 ίο 15 再如圖7、圖8所示，本發明成型模具5〇的另一實 施例是適用於製作具有較A孔徑之透氣孔之pu鞋塾，並 具有一下模座5卜-可與該下模座51產生相互閉合或分 離之上㈣52及-穿孔單元53。該上模座52 #有多數沿 開模方向延伸的穿孔521及一可使該等穿孔521之中段互 相連通的橫槽522。該穿孔單元53具有多數連結在該下模 f 51之-模穴底面511上的穿孔針531、多數對應於該等 穿孔針531且由外朝内穿過該等穿孔521的導引套管5犯 及一設置在該上模座52外部且與該等導引套管5犯一外 側端部焊接固^的連動板533,當該下、上模座51、52彼 此相對閉合時可形成一模穴54。且該等穿孔針53ι的長度 大於穿孔針531末端部至上模座52之底面521的距離。 °亥等導引套管532是製成中空管狀，各具有一設於中段且 沿徑向開設的貫孔534，且該等導引套管532可在模穴54 中產生位移，且可相對於穿孔針531產生套合，並使貫孔 534對稱於橫槽522。 士 ΰ 8圖9所示，當兩液混合而成的ρυ原料4〇洗 注在該下模座51中、基材1〇固設在上模座52之底面上， 且使下、上模座51、52產生相對靠合時，該等穿孔針531 可伸設在模穴54中並伸入並未固化的該Ρυ原料4〇中， 20 1229635 此時’該導引套管532的内側端部抵觸在# u 二=管532内側端部與穿孔針531末端部之間產生 胚> *PU原料4G完成放熱反應且變成 ίο 15 20 制g後，操作者可將連動板咖朝上模座52施力麼 即可同時連動該等導引套管532朝穿孔針531產生套 2作’且可使對應於該等導引套管532之内孔的餘料I (0柱型的基材10及胚體40，)被衝掉而形成多數之透氣 孔110’ ’且該等餘料1會被穿孔針531擠入導引套管532 :。且餘料1會隨著成型模4 Μ進行放熱定型及形成透 軋孔UG，的次數，而逐漸向上推擠，最後可湘—氣麼源 (圖未示）將壓力氣體導入橫槽522中，再將已移至貫孔 521的餘料I被吹出，不必清理。 因此，應用上述成型模具5〇所製成之ρυ鞋墊1〇〇， 疋在该PU原料40未完全固化前，促使穿孔針531伸入ρυ 原料40中，且當該PU原料4〇完成放熱反應且變成胚體 40’後，再利用導引套管532對穿孔針531產生套合動作的 同時，可對基材1〇、胚體40,進行衝孔動作。 當開啟成型模具50時，就可在p[j鞋墊之半成品1〇〇 上自然形成多數之透氣孔110,（如圖6所示）。且透氣孔 110’孔壁的大部份長度是利用穿孔針531伸入pu原料4〇 中’當PU原料40完成放熱反應且變成胚體4〇,時就會自 然形成，故亦具有完整之孔型及結構強度。 歸納上述，本發明之具透氣孔之pu鞋墊的製造方法， 10 1229635 疋田PU原料在成型模具内部進行放熱反應、pu原料上鋪 =基材且_的同時’即可產生多數透氣孔，不僅化 衣程，且鞋塾的彈性佳、透氣性也佳，故確實能達到發明 之目的。 〜、惟以上所述者，僅為本發明之較佳實施例而已，當不 二乂此限林發明實施之範圍，即大凡依本發明巾請專利 耗圍及發明說明書内容所作之簡單的等效變化與修飾，皆 應仍屬本發明專利涵蓋之範圍内。 【固式簡單說明】 圖1是現有一種發泡鞋墊的製造流程示意圖； •圖2是一流程圖，說明本發明具透氣孔之pu鞋墊的 製造方法的一第一較佳實施例； 圖3是本發明上述較佳實施例之一成型模具澆注有 PU原料且可將一基材鋪放在PU原料上方的平面分解圖； 圖4是本發明上述較佳實施例之一閉模示意圖，說明 Ρϋ原料及基材可受一穿孔單元貫穿； 圖5是本發明上述較佳實施例閉模狀態時之局部放 大示意圖； 圖6是本發明上述較佳實施例之一成品剖面圖，說明 一 PU鞋墊上形成有多數透氣孔； 圖7是本發明一第二實施例之成型模具澆注有ρυ原 料且可將一基材鋪放在PU原料上方的平面分解圖； 圖8是本發明第二較佳實施例之一閉模示意圖，說明 穿孔單元之多數穿孔針可伸設在PU原料中； 1229635 圖9是本發明第二較佳實施例閉模狀態時之局部放 大不意圖，及 圖1 0是本發明第二較佳實施例閉模狀態時之動作 示意圖。 12 1229635 【圖式之主要元件代表符號簡單說明】 10 基材 100’ PU鞋墊半成品 11 布層 110’ 透氣孔 12 隔離層 100 PU鞋墊成品 30 成型模具 50 成型模具 31 下模座 51 下模座 311 模穴底面 511 模穴底面 32 上模座 52 上模座 321 底面 521 穿孔 322 定位凹孔 522 橫槽 33 穿孔單元 53 穿孔單元 331 穿孔針 531 穿孔針 332 尖部 532 導引套管 34 模穴 533 連動板 40 PU原料 534 貫孔 40， 胚體 54 模穴 131229635 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to an insole made of a male material, and in particular θ refers to a method for manufacturing a pu insole with a vent hole.疋 5 [Prior art] As shown in FIG. 1, a conventional method for manufacturing a shoe last with a vent hole includes the following steps: Step-: Fabrication and a forming mold, the forming mold has a lower fork seat, a Corresponds to the upper die seat of the lower die seat. 10 15 Step 2: Apply a release layer using adhesive as an example to the fabric layer-bottom surface to form a substrate. Step 3: The substrate is fixed on the bottom surface of the upper mold base, and the ρ raw material is washed and poured into the mold base below the molding mold. The pu raw material is made by mixing two liquids, such as isocyanate and polyol. . Step 4: Close the upper and lower mold bases of the molding die, and use the separation layer to prevent the PU raw material from penetrating upward. Step 5: After the Pu raw material completes the exothermic reaction, and the PU raw material solidifies to form an embryo body consolidated with the substrate, the molding mold can be opened. ^ Step 6: A PU insole semi-finished product can be obtained, and although there are pores inside the embryo body, there is an air-impermeable film at the bottom and peripheral surface of the embryo body, and the top is also blocked by ventilation due to the isolation layer. Impervious0 Step 7: Punching the semi-finished product of the insole. Step 8. The shape of the breathable insole can be obtained after cutting the shape. 20 1229635 ππ ° The above manufacturing method still has the following defects: 1. General insole manufacturers do not necessarily have to purchase punching devices, so ，半 After the semi-finished insoles are made, they are transported to the punching plant for punching operations, which not only wastes man-hours but also costs money. 1. Using solid needle-shaped punching Pei Chi to punch the pυ insole semi-finished product will compact the solid part of the embryo body and make the PU insole lose elasticity. -、 These vent holes are completely formed by punching, so the inner surface of the vent holes will have rough scratches, which will cause the hole type to be incomplete. [Summary of the Invention] Therefore, the object of the present invention is to provide a perforated sheet it inside a molding die, and use the perforated sheet S to penetrate a PU material injected into the lower mold base and close the mold when the mold is closed. A method for manufacturing a PU insole with air holes and a substrate fixed on an upper mold base. The method for manufacturing a PU shoe last with ventilation holes according to the present invention includes the following steps. (A) Preparation-a cloth layer and a forming mold, the forming mold having a lower mold base,-corresponding to the upper mold base of the lower mold base, and each other When the mold is relatively closed, the mold cavity has a perforated sheet P which can be extended in the mold cavity. The cloth layer-bottom surface coating-isolation layer is formed to form a substrate and the substrate is fixed to the upper mold. The bottom surface of one of the seats, and the _ pu material is injected into the lower mold seat, and the isolation layer corresponds to the PU material. (D) The upper and lower mold bases are closed, and the perforating unit can penetrate the raw materials and the substrate. The raw materials complete the exothermic reaction ', and the pu material is solidified and formed with the substrate 1229635', and the molding mold can be opened. ⑺ A semi-finished PU leather mat with most through-air vents is available. (G) Cropping. (H) Finished PU insole. By using the above steps, the ventilation holes can be directly formed in the mold, so the step of punching can be omitted, and the manufacturing cost can be reduced. 5 10 15 [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be clearly understood in the following detailed description of the preferred embodiment with reference to the second drawing. Referring to FIG. 2 and FIG. 3, the first preferred embodiment of the method for manufacturing a pu insole with a vent hole according to the present invention is a PU insole suitable for making a vent hole with a small aperture, and includes the following steps: Step 1: Preparation A cloth layer 11 and a forming mold 30. This cloth layer is made of terry cloth, non-woven cloth and knitted fabric. The molding die 3 of this embodiment has-a lower die holder 31,-an upper die holder 32 which can be closed or separated from each other with the lower die holder 31, and a perforating unit connected to the lower die holder 31 ", and the The lower and upper mold bases 3 and 32 can form a mold cavity when they are relatively closed to each other. The perforating unit 33 has a plurality of perforating needles 331. The perforating needles 331 have a tip 332 at the end, and can be formed by the lower mold base 31 The bottom surface 311 of one of the mold cavities extends to the upper mold base 32-the bottom surface 321 and penetrates the cavity material, and the bottom surface 321 is recessed with a plurality of positioning recessed holes 322 for inserting and positioning the tip 3 of the punching needle 331. 11 Bottom Surface Coating-Isolation Layer Using Adhesive as an Example Step 2 ·············································································································· 2 20 1229635 321, and a pu raw material 40 made by mixing two liquids, such as isocyanate and polyol, is poured into the base 31 of the molding die 30, and the isolation layer 12 corresponds to the PU raw material. 40. Step 4: As shown in FIG. 4 and FIG. 5, the upper and lower mold bases 32 and 3 i are closed, and the setting of the isolation layer 12 can be used. The Pu-free raw material 40 penetrates upward to the cloth layer 11. At the same time, the perforating unit 33 can pierce the Pu raw material 40 and the base material 10 by using the sharp edges 332 of the perforating needles 331. The under sleeve is located in the positioning recess 322 of the second mold base 32. ίο 15 Step 5 · The PU material 40 undergoes an exothermic reaction, and the pu material 40 is cured to form a embryo body that is consolidated with the substrate 1 () After 40, the molding mold 30 can be opened. Step 6: Can be taken out from the lower mold base 31 _ PU semi-finished product with a majority of through-holes 110, 100. Step 7: Shape cutting, that is, A finished PU shoe last 100 having a large number of through-holes 110 can be obtained (as shown in FIG. 6). Through the above description, the superior rici of the first embodiment of the present invention can be further — | ΐ · * ^ The piercing needles 331 of Yuming were pierced into the PU material 40 by closing the mold before the PU material 40 was injected into the lower core part 31 Θ and solidified. When the PU material 40 completed the exothermic reaction and became the embryonic body After 40, the '11G punch holes plus 1 can be formed naturally in the interior, which can simplify the process and reduce costs.仃 Π〇 °-, Μ. 110, so that PU insoles can maintain better elasticity. 20 1229635 Third, the transparent button UG of the present invention is formed in the process of _4 (), ㈣, so, the ventilation hole 11G The wall of the hole will self-form into the surface layer of the film, which can produce better structural strength for these ventilated holes, and it is easy to maintain the hole shape to facilitate air circulation. Ίο 15 As shown in Figure 7 and Figure 8, this Another embodiment of the invented molding die 50 is suitable for making pu shoe lasts with air holes with a larger aperture than A, and has a lower die base 5-which can be closed or separated from the lower die base 51. -Perforating unit 53. The upper mold base 52 # has a plurality of perforations 521 extending along the mold opening direction, and a horizontal groove 522 that allows the middle sections of the perforations 521 to communicate with each other. The perforating unit 53 has a plurality of perforating needles 531 connected to the bottom surface 511 of the lower mold f 51, and a plurality of guiding sleeves 5 corresponding to the perforating needles 531 and penetrating the perforations 521 from the outside to the inside. A link plate 533 is provided outside the upper mold base 52 and is welded to the outer ends of the guide sleeves 5 to form a link when the lower and upper mold bases 51 and 52 are closed relative to each other. Mold cavity 54. And the length of the perforating needles 53m is greater than the distance from the end of the perforating needles 531 to the bottom surface 521 of the upper die holder 52. The guide sleeves 532 and the like are made into hollow tubes, each having a through hole 534 provided in the middle section and opened in the radial direction, and the guide sleeves 532 can be displaced in the cavity 54 and can be relatively A fit is generated in the punching needle 531, and the through hole 534 is symmetrical to the horizontal groove 522. Shiji 8 As shown in FIG. 9, when two liquid mixtures of ρυ raw material 40 are washed and poured into the lower mold base 51, the base material 10 is fixed on the bottom surface of the upper mold base 52, and the lower and upper molds are made. When the seats 51 and 52 are relatively close together, the perforated needles 531 may be extended in the cavity 54 and penetrate into the uncured Pυ raw material 40. 20 1229635 At this time, 'the inside of the guide sleeve 532 The end is in contradiction between the inner end of the tube 532 and the end of the perforating needle 531. * PU raw material 4G completes the exothermic reaction and becomes 1520 g. The operator can turn the linked plate coffee upward. Can the die holder 52 apply the force to simultaneously guide the guide sleeves 532 to produce a sleeve 2 toward the perforated needle 531, and allow the remaining material I (0-column type) corresponding to the inner hole of the guide sleeves 532 to be operated? The base material 10 and the embryonic body 40) are washed away to form a large number of vent holes 110 ′ ′, and the remaining material 1 is squeezed into the guide sleeve 532 by a perforating needle 531:. And the remaining material 1 will be gradually pushed up with the number of exothermic setting and formation of the through-holes UG with the molding die 4M, and finally, the Xiang-qi source (not shown) can introduce the pressure gas into the horizontal groove 522 Then, the residual material I that has been moved to the through hole 521 is blown out and does not need to be cleaned. Therefore, using the ρυ insole 100 made by the above-mentioned molding die 50, 促使 before the PU raw material 40 is not completely cured, the perforated needle 531 is pushed into the ρυ raw material 40, and when the PU raw material 40 completes the exothermic reaction After it becomes the embryonic body 40 ′, the guide sleeve 532 is used to perform the assembling action on the perforated needle 531, and the base body 10 and the embryonic body 40 can be punched. When the forming mold 50 is opened, a large number of ventilation holes 110 can be naturally formed on the semi-finished product 100 of the p [j insole, as shown in FIG. 6. And most of the length of the vent hole 110 'is through the needle 531 into the pu material 40. When the PU material 40 completes the exothermic reaction and becomes the embryonic body 40, it will naturally form, so it has a complete Hole pattern and structural strength. Summarizing the above, the manufacturing method of the pu insole with ventilation holes of the present invention, 10 1229635 Putian PU raw material undergoes an exothermic reaction inside the molding mold, and the pu raw material is spread on the substrate and _ can generate most of the ventilation holes at the same time. The clothing process, and the elasticity and breathability of the shoe last are also good, so it can indeed achieve the purpose of the invention. ~, But the above is only a preferred embodiment of the present invention, and it should not be limited to the scope of the invention, that is, the simple application of the patent scope of the present invention and the contents of the description of the invention, etc. The effect changes and modifications should still fall within the scope of the invention patent. [Solid type simple explanation] Fig. 1 is a schematic diagram of a manufacturing process of a conventional foamed insole; Fig. 2 is a flowchart illustrating a first preferred embodiment of a method for manufacturing a pu insole with ventilation holes according to the present invention; Fig. 3 It is one of the above-mentioned preferred embodiments of the present invention. The molding mold is cast with a PU raw material and a base material can be laid on the top of the PU raw material. FIG. 4 is a schematic view of a closed mold of one of the above-mentioned preferred embodiments of the present invention. The raw material and the base material can be penetrated by a perforated unit; FIG. 5 is a partially enlarged schematic view of the above-mentioned preferred embodiment of the present invention when the mold is closed; FIG. 6 is a cross-sectional view of a finished product according to the above-mentioned preferred embodiment of the present invention, illustrating a PU There are many ventilation holes formed on the insole. FIG. 7 is an exploded plan view of a second embodiment of the present invention in which a mold is cast with ρ raw material and a base material can be laid over the PU raw material. FIG. 8 is a second comparison of the present invention. A closed mold schematic diagram of one of the preferred embodiments illustrates that most of the perforating needles of the perforating unit can be extended in the PU material; 1229635 FIG. 9 is a partial enlarged view of the second preferred embodiment of the present invention when the mold is closed, and FIG. Yes When the operation of the preferred embodiment of the invention, a second closed state. FIG. 12 1229635 [Simplified description of the main symbols of the drawings] 10 Base material 100 'PU semi-finished product 11 Fabric layer 110' Ventilation hole 12 Isolation layer 100 PU insole product 30 Molding mold 50 Molding mold 31 Lower mold base 51 Lower mold base 311 Cavity bottom surface 511 Cavity bottom surface 32 Upper mold base 52 Upper mold base 321 Bottom surface 521 Perforation 322 Positioning recessed hole 522 Cross groove 33 Perforation unit 53 Perforation unit 331 Perforation needle 531 Perforation needle 332 Tip 532 Guide sleeve 34 Mold cavity 533 Link plate 40 PU material 534 Through hole 40, embryo body 54 Mold cavity 13