4555 ΐ g A7 B7 經濟部中央樣準局員工消费合作社印裝 五、發明説明（1 ) 本發明係有關於一種「自行車之金屬車架成型法J ， 藉預先抽成真空之抽模心式之公母模具車架形模穴，以高 壓充填之方式將金屬熔液充填入模穴至溢出回流槽內，而 可一體成型得到金屬金相完整且結構強度佳之近光滑表面 車架其整個加工之流程簡單，製作迅速而可達量產κ降低 成本，具有高度之競爭能力者。 '〈發明背景》 按現今一般習見之自行車之金屬車架成型法，如第一 圖所示係習知之製作流裎圖（並請同時參考第二圖習知之 方塊流程圖），其係先取大徑鋁製管（1)、中徑鋁製管（2) 、小徑鋁製管（3)三種不同管徑且具有長度之鋁製管，再 K大徑鋁製管（1)切成若干所需且適長之上管（4)及適段之 五通管（5)、K中徑鋁製管（2)切成若干所需且適長之下管 (6)、Μ小徑鋁製管（3)切成若干所需且適段之前管（7)及 適段之座管（8)，而後再將上管（4) Μ沖壓之方式加工呈長 扁之橢_狀，且兩端面切削成縱向凹弧端面（4，），及將下 管（6)之一端面切削成縱向凹弧端面（6 ·)，另一端面切削 成橫向凹弧端面（6’’>，最後各取一扁狀之上管（4)、一五 通管（5)、一下管（6)、一前管（7)及一座管（8)，將上管（4 )一端面之縱向凹弧端面（4')Κ焊接方式焊结於前管（7)之 上段處，另一端面之縱向凹弧端面（4*) Μ焊接方式焊结於 座管（8>之_當位置處，而再將下管（6) 一端面之縱向-凹弧 端面（6 |)Κ焊接方式焊结於前管（7)之下段處，另一端面 之横向凹弧端面（6^)Κ焊接方式焊结於五通管（5)外表面 本紙張尺度適用中國國家榇準（CNS)A4规格（210Χ297公釐}" 4 (請先聞讀背面之注意"項再填寫本頁) 455518 經濟部中央標準局貝工消费合作社印製 A7 £7_____五、發明説明（2 ) … 中央位置處，再將因焊接而凸出之焊结部磨平整，則完成 一自行車之車架（9)者。 由上述可知現今自行車之金羼車架成型法仍有下列之 缺點：（一）需選許各種不同管徑之鋁製管K進行加工， 形成進料與選料上之複雜性；（二）所選取之各種不同管 徑之鋁製管，需先依規格分別切割成不同所需尺寸長度之 上管（4)、五通管（5)、下管（6)、前管（7)及座管U)，且 上管（4)需再Μ祌壓之方式加工呈長扁之椭圓狀，並於兩 端面切削成縱向凹强端面（4 ’），及需另將下管（《5)之一端 面切刖成縱向凹弧端面（6 ’），另一端面切削成橫向凹弧端 面（《Τ’），形成加工動作上之繁雜者；（三）其上管（4)、 五通管（5)、下管（6)、前管（7)及座管（8)間係由專業人員 Κ焊接之方式焊結在一起，Μ焊结而结合在一起之方式強 度有限，因而有安全之顧慮，及因焊接而凸出之焊结部需 再加工磨平整與會破壞車槊（9)外表之美觀；（四）其車 架（9)形成之步驟，均在在顯示整個過程耗時且耗工，形 成成本之增.加，且無法量產及國際競爭力無法提升者。 本發明創作人有鑑於上述現今一般自行車之金屬車架 成型法之缺失，乃思及製程方法創作而不斷地試驗製程及 製品，經由多次試驗及多年經驗，而有改進現今缺失之本 創作*進而推出樣品及申請本發明者。 〈發明目的·〉 本發明之主要目的，乃在提供一種自行車之金屬車架 成型法，藉抽模心之公母模具於車架形模穴内預先抽成真 (請先閱讀背面之注意事項再填寫本頁) 本纸張尺度逋用中國國家標準（CNS ) Α4規格（210X297公釐） 5 455518 Α7 Β7 五'發明説明（3) _， 空*而再同時Μ高壓充填之方式將清潔純淨之金靥熔液先 充填入模穴至溢出回流槽内，俾達車架所需之金屬熔液量 完全進入，可得到金靥金相完整且一體成型而结構強度佳 之車架者。 本發明之次一目的，乃在提供一種自行車之金屬車架 成型法，由該成型法製出之一體成型車架表面無一般錆造 加工之氣孔產生，而能得到近光滑之表面者。 本發明之又一目的，乃在提供一種自行車之金属車架 成型法，其整個加工之流程簡單，俾達製作迅速而可達量 產.，而大量生產能降低成本，具有高度之競爭能力者。 〈具體實施例> 餘下，玆配合圖示列舉一具體實施例，詳妞說明本發 明之程序肉容及细節如后： 經濟部中央梂隼局員工消费合作社印装 C請先閱讀背面之注意事項再填寫本頁) 如第三圖所示係本發明之製作流程圔（並請同時參考 第四圖係本發明之方塊流程圖），其首先Κ自動化之方式 舀取定毚之金屬熔液（10)倒入熔液儲槽（20>中，令質量較 輕之氧彳b膜（11)浮於清潔純淨之金屬熔液（1〇)上表面，再 將公母模具（30)合模之車架形模穴（31)藉由真空管道（32) 抽成真空之車架形模穴（31)，再以高壓充填之方式將清潔 純淨之金屬熔液（10)由與熔液儲槽（20)之通道（21)連接相 通之模具流道（33)充填進入，充填進入之金屬熔液（1〇)則 快速經模具I流道（33>，而迅速流佈於由Μ抽模心方式之公 母模具（30)合模且抽成真空之車架形模穴（31)及溢出迴流 槽（34)内，緊接由公母模具（30)合模之若干冷卻管路（35) 本紙張尺皮適用中國國家標準（CNS ) Α4規格（210X297公釐） 6 455518 Α7 Β7 五、發明説明（4 ) 給予急速冷卻，令金屬熔液（10)定型成為一表面近光滑之 車架（40)，打開公母模具（30)後之尚有餘溫之車架（40)， 以自動機械取出由自動流程輸送，同時再送風（50)冷卻至 常溫，最後將車架（40)之若干通孔（4〗）K搪孔或絞孔之方 式，修飾成正圓孔及所需之孔徑，即完成一體成型之自行 車車架（40)者。 藉由上述製法，可得到下述之效益：（一）藉抽模心 之公母模具（30)於車架形模穴（31)内預先抽成真空，而再 同時Μ髙壓充填之方式將清潔純淨之金屬熔液（10)先充填 入模穴（31)至溢出回流槽（34)内》俾達車架（40>所需之金 屬熔液（10)量完全進入，可得到金屬金相完整且一體成型 而结構強度佳之車架（40)者；（二）由該成型法製出之一 體成型車架（40)表面無一般鑲造加工之氣孔產生，而能得 到近光滑之表面者；（三）其整個加工之流程不需再經選 材、切割、沖壓、切削、焊接及磨平等之繁瑣動作，俾達 製作之迅速而可量產，及大量生產能降低成本*而具有高 度之競爭能.力者。 經濟部中央標準局員工消費合作社印11 (請先閲讀背面之注意事項再填寫本頁) 綜上所述*當知本發明具有產業上利用性與進步性， 且本發明未見於任何刊物，亦具新頴性，當符合專利法第 十九條及廿條之規定，爰依法提出發明專利申請，懇請貴 審查委員惠漼專利為襪。 唯Κ上·所述者，僅為本發明之一較佳實陁例而已，當 不能以之限定未發明實施之範圍；即大凡依本發明申請專 利範圍所作之均等變化與修飾，皆應仍屬本發明專利涵蓋 本紙張尺度適用中國國家標準（CNS ) Α4規格（210Χ297公釐） 7 455518 A7 B7 五、發明説明（5 ) 經濟部中央標準局貝工消費合作社印製 之範圍内。 < 圖 式 簡 單 說 明 > 第 —. 圖 ; 係 習知之 製作流程 圖 第 圖 * 係 習知之 方塊流程 圖 0 第 二 圖 * 係 本發明 之製作流 程 圖 0 第 四 圖 * 係 本發明 之方塊流 程 圖 〇 < 圖 說 明 > 10 金 靥 熔 液 11. *氧 化 膜 20 熔 液 儲 槽 30 . .公 母 橫 具 31 ♦ · * * * * 模 穴 32 . .真 空 管 道 33 模 具 流 道 34 . •溢 出 迴 流槽 35 冷 卻 管 路 40 . .車 架 41 通 孔 50 . .送 風 ----------t——^----ir------手 ί (請先聞讀背面之注意事項再填疼本頁) 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 84555 ΐ g A7 B7 Printed by the Consumer Cooperatives of the Central Procurement Bureau of the Ministry of Economic Affairs. 5. Description of the invention (1) The invention relates to a method for forming a metal frame for a bicycle. The male and female mold frame-shaped cavities are filled with metal melt into the cavity by high pressure filling into the overflow reflow tank, and can be integrally formed to obtain a near-smooth surface frame with complete metallographic integrity and good structural strength. The process is simple, the production is fast and can reach mass production, reduce costs, and have a high degree of competitiveness. '<Background of the Invention> According to the conventional metal frame molding method of bicycles, as shown in the first figure, it is a conventional production flow.裎 drawing (please also refer to the block diagram of the second figure), it first takes three different diameters of large diameter aluminum pipe (1), medium diameter aluminum pipe (2), and small diameter aluminum pipe (3) And the length of the aluminum pipe, and then the K large diameter aluminum pipe (1) is cut into a number of required and appropriate length of the upper pipe (4) and the appropriate five-way pipe (5), K medium diameter aluminum pipe ( 2) Cut into several required and suitable lower tube (6), M small diameter aluminum tube 3) Cut into several required and appropriate sections of the front tube (7) and the appropriate seat tube (8), and then process the upper tube (4) into a long flat oval shape by stamping, and cut at both ends Into a longitudinal concave arc end face (4,), and one end face of the lower tube (6) is cut into a longitudinal concave arc end face (6 ·), and the other end face is cut into a transverse concave arc end face (6 "> A flat upper pipe (4), a five-way pipe (5), a lower pipe (6), a front pipe (7) and a pipe (8), the longitudinal concave arc end face of one end face of the upper pipe (4) (4 ') K is welded to the upper section of the front tube (7), and the longitudinal concave arc end face (4 *) of the other end is welded to the seat tube (8 > of the current position, and then The longitudinal-concave arc end face (6 |) K of one end face of the lower pipe (6) is welded to the lower section of the front pipe (7), and the transverse concave arc end face (6 ^) K of the other end face is welded. On the outer surface of the five-way pipe (5), the paper size is applicable to China National Standard (CNS) A4 (210 × 297 mm) " 4 (Please read the note on the back first " and then fill out this page) 455518 Central Ministry of Economic Affairs Standard Bureau Shellfish Consumers Cooperative printed A7 £ 7 _____ V. Description of the invention (2)… At the central position, the welded part protruded due to welding is smoothed, and the bicycle frame (9) is completed. From the above, we can know that today's bicycles There are still the following shortcomings in the method of forming the golden frame: (1) It is necessary to select a variety of aluminum pipes K with different pipe diameters for processing to form the complexity of feeding and selection; (2) the different choices The diameter of aluminum tube needs to be cut into upper tube (4), five-way tube (5), lower tube (6), front tube (7) and seat tube U) with different required lengths according to the specifications. In addition, the upper tube (4) needs to be processed into a long flat ellipse by M 祌 pressing, and cut into longitudinal concave strong end faces (4 ') on both end faces, and another end face of the lower tube ("5) is required. It is cut into a longitudinal concave arc end surface (6 '), and the other end is cut into a transverse concave arc end surface ("T'"), forming complicated operations; (3) the upper tube (4), the five-way tube (5 ), The lower tube (6), the front tube (7) and the seat tube (8) are welded together by a professional K welding method, and M welded together. The type strength is limited, so there are concerns about safety, and the welded parts protruding due to welding need to be re-processed and flattened, which will damage the appearance of the car (9); (4) the steps of forming its frame (9), In the process of showing that the entire process is time-consuming and labor-intensive, increase the cost, and can not be mass-produced and unable to improve international competitiveness. The inventor of the present invention, in view of the above-mentioned lack of the metal frame forming method of today's general bicycles, is continually experimenting with processes and products in consideration of process method creation. Through multiple experiments and years of experience, he has improved the original creation that is currently missing Further launch samples and apply for the present inventors. 〈Objective of the invention〉 The main purpose of the present invention is to provide a method for forming a metal frame of a bicycle. The male and female molds of the mold core are drawn in advance in the frame-shaped cavity. (Please read the precautions on the back before (Fill in this page) This paper uses the Chinese National Standard (CNS) A4 specification (210X297 mm) 5 455518 Α7 Β7 Five 'invention description (3) _, empty * and simultaneously high pressure filling method will clean and pure The gold tin melt is first filled into the cavity to overflow into the reflow tank, and the amount of metal melt required for the tin frame is fully entered, and a gold tin complete and integrally formed frame with good structural strength can be obtained. A secondary object of the present invention is to provide a method for forming a metal frame of a bicycle, and the surface of the one-piece molded frame produced by the molding method has no pores generated by ordinary fabrication and can obtain a nearly smooth surface. Another object of the present invention is to provide a method for forming a metal frame for a bicycle. The whole process of the process is simple, and Trent can be produced quickly and can reach mass production. Mass production can reduce costs and have high competitiveness . <Specific Embodiments> The following is a list of specific embodiments in conjunction with the illustrations. The detailed description of the procedures and details of the present invention is as follows: Printed by the Consumer Cooperatives of the Central Government Bureau of the Ministry of Economic Affairs. Please read the back Please fill in this page for the matters needing attention) As shown in the third figure is the production process of the present invention (and please also refer to the fourth figure is the block flow chart of the present invention), the first method is to automatically obtain the fixed metal melt The liquid (10) is poured into the melt storage tank (20 >), so that the lighter weight oxygen 彳 b film (11) floats on the upper surface of the clean and pure metal melt (10), and then the male and female molds (30) The mold-shaped frame-shaped cavity (31) is evacuated into a vacuum-shaped frame-shaped cavity (31) through a vacuum pipe (32), and then the clean and pure metal melt (10) is melted and melted by means of high-pressure filling. The channel (21) of the liquid storage tank (20) is connected to the communicating mold flow path (33), and the molten metal (1) is quickly passed through the mold I flow path (33), and quickly flows to Frame-shaped cavity (31) of the male and female molds (30) which are closed by the method of drawing the mold and vacuumed, and the overflow return groove Within (34), several cooling pipes that are closed by the male and female molds (30) (35) The paper ruler applies the Chinese National Standard (CNS) Α4 specification (210X297 mm) 6 455518 Α7 Β7 V. Description of the invention (4) Give rapid cooling to shape the molten metal (10) into a frame (40) with a nearly smooth surface. After opening the male and female molds (30), the frame (40) with residual temperature is taken out by automatic machinery. It is conveyed by automatic process, and at the same time, the air (50) is cooled to normal temperature. Finally, the through holes (4) of the frame (40) are bored or twisted, and modified into round holes and the required aperture, that is, Those who have completed the integrally formed bicycle frame (40). By the above method, the following benefits can be obtained: (1) the male and female molds (30) by drawing the mold core are drawn in advance in the frame-shaped mold cavity (31) Into a vacuum, and at the same time the M 髙 pressure filling method is used to fill the clean and pure metal melt (10) into the cavity (31) to overflow into the reflow tank (34) "俾 达 车架 (40 > required metal The amount of molten metal (10) is completely entered, and a metal frame with complete metallography and integrated molding and good structural strength can be obtained. 40); (2) the one-piece molding frame produced by the molding method (40) the surface has no air holes generated by ordinary inlaying and can obtain a nearly smooth surface; (c) the entire processing process does not need to be Through the tedious actions of material selection, cutting, stamping, cutting, welding and grinding, Trent has made rapid and mass production, and mass production can reduce costs * and has a high degree of competitiveness. Employees of the Central Standards Bureau of the Ministry of Economic Affairs Consumption cooperative seal 11 (please read the precautions on the back before filling this page) In summary * When this invention is known to have industrial applicability and advancement, and this invention has not been seen in any publications, it is also novel, In accordance with the provisions of Article 19 and Article 19 of the Patent Law, I have filed an application for an invention patent in accordance with the law. The ones mentioned above are only a good example of the present invention. When it is not possible to limit the scope of uninvented implementation; that is, all equal changes and modifications made in accordance with the scope of the patent application of the present invention should still be It belongs to the scope of this invention. The paper is covered by the Chinese National Standard (CNS) A4 specification (210 × 297 mm) 7 455518 A7 B7. 5. Description of the invention (5) Printed by the Bayer Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs. < Brief description of the diagram > Figure-. Figure; is a conventional manufacturing flowchart Figure * is a conventional block flowchart 0 Second Figure * is a manufacturing flowchart of the present invention 0 Fourth figure * is a block of the present invention Flow chart 0 < Description of the drawing > 10 Gold tin melt 11. * Oxide film 20 Melt storage tank 30. Male and female cross piece 31 ♦ · * * * * Cavity 32.. • Overflow return tank 35 Cooling pipe 40. Frame 41 through hole 50. Air supply ---------- t —— ^ ---- ir ------ hand ί (please First read the notes on the back and then fill in this page) This paper size is applicable to China National Standard (CNS) A4 (210X297 mm) 8