Ϊ298655 九、發明說明： 【發明所屬之技術4貝域】 拉加種車㈣之是指運用抽 細％，經朦㈣後，衫件材f晶粒微 之幹产冰熱吹製成型將管件以擴張方式形成不規則 ”卜形’使f件更具有外形上之變化者。 【先前技術】 I-般車架包括自行車、健身車等相_用器具， 使用者之體重外，更作為各組件相對 Ρ 有效達到各機構的最佳作動效益。車架部 整:造型的最重要因素，且車架外觀往往會隨著 二變化::长各:Γ同型式出現，因此因應車架外型與結 釔匕的而求，已經不只是騎乘或運動的工且， 行感的個人配備。 /、更疋有机 現代車架設計趨向於立體稜線構成角度各显的曲 面，跳脫傳統圓柱式鋼管車架的設計，且運用力學原理及 為使其更可有效分散騎乘過財地面對車架的 Γ Λ ’提供更高的行進敎性；為迎合創新多變需求 的f造型’則於車架管的製程技術上需作相當地改變。 按，習知有料架管之製程技術， 號發明專利所揭露之「 弟6338 要係包括··錄n tm#」w 〒二g體抽拉成一端斷面概呈橢 5 1298655 圓形之錐狀粗胚管，使該粗胚管具有一設定之流線外型， 而該粗胚管之一端具有一大徑端；壓製：將該具有設定流 線外型之粗胚管放置於一模具中，該模具係由一上模及一 下模所組成，該上、下模分別具有—設定之模穴，該下模 之模穴係供該粗胚管平行放置，而藉由該上模向下衝壓，' 使該粗胚管之頂、底面分別形成一與該模穴形狀相同之壓 凹部’·裁切：將該壓製後之粗胚f自該模具中取出，並依 一設定之長度進行裁切；其特徵在於：在壓製成型 後，另進行油壓成型步驟：該上、下模經壓製合模後，到 達合模之設定壓力值，注人放置於該模具内之中空粗胚管 内-設定之油量’並利用該模具兩側之侧壓缸朝該粗胚管 之兩端作低速推進，而該模具内關到達設定值時，各該 侧壓虹作高速推進1各該側壓缸兩侧之增壓紅作增壓補 償，而該二侧壓缸高速推進達預設之行程終點時，^完成 粗胚管最終之成型’此時，該二侧験便作原點復歸動 作，且亦令該二增壓缸後退到原點，而該上、下模作開模 動作，即可進行粗胚管退料動作。 、 【發明内容】（所欲解決之技術問題） 上述技術所成型之車架管，係為—種無縫車架之成型 方法，主要係將中空管體抽拉成—端斷面概呈橢圓形之錐 狀粗胚管’使粗胚管之—端具有—大徑端，將粗胚管放置 於模具中，利用模具的壓製及油壓成型，使粗胚管之頂、 1298655 ^面分別形成-具有觀功能之壓凹部，將縣後之粗胚 管取出，進行裁切’於裁切步驟之後，進行適當之表面研 磨、拋光處理’藉此方法成形出之無縫車架不會產生接人 縫，整體之外觀極佳’同時亦具有較佳之強度。 〇Ϊ 298655 IX, invention description: [Technology of the invention 4 shell domain] Lajia car (4) refers to the use of the fineness of the fine, after the 朦 (four), the shirt material f fine dry ice hot blow molding will be The pipe member is formed into an irregular "bump shape" in an expanded manner to make the f-piece more changeable in shape. [Prior Art] The I-like frame includes bicycles, exercise vehicles, and the like, and the user's weight is more The relative components of each component are effective to achieve the best operational efficiency of each organization. The frame part is the most important factor of the shape, and the appearance of the frame tends to change with the following:: long: the same type appears, so the frame is outside the frame The type and the crusting are not only the riding or sports work, but also the personal feeling of the sense of the line. /, more organic organic frame design tends to the three-dimensional ridge line to form a curved surface, jumping off the traditional cylinder The design of the steel tube frame, and the use of mechanical principles and in order to make it more effective to disperse the ride over the ground to the frame of the Λ 提供 'provides a higher degree of travel; to meet the innovative needs of f style ' In the process technology of the frame tube Local change. Press, the process technology of the material rack tube is known, and the invention of the invention patent disclosed in the invention of "the brother 6338 is to include · · n tm#" w 〒 two g body drawn into one end section is an ellipse 5 1298655 round a tapered cone-shaped blank tube, the crude embryo tube has a set streamline appearance, and one end of the rough tube has a large diameter end; pressing: placing the rough tube with the set streamline appearance In a mold, the mold is composed of an upper mold and a lower mold, the upper and lower molds respectively have a set mold hole, and the mold hole of the lower mold is arranged for the coarse blank tube to be placed in parallel, and The upper die is punched down, 'the top and bottom surfaces of the rough blank tube are respectively formed into a depressed portion having the same shape as the cavity.' Cutting: the pressed rough embryo f is taken out from the mold, and one is The length of the setting is cut; characterized in that: after the press forming, another hydraulic forming step is performed: after the upper and lower molds are pressed and clamped, the set pressure value of the mold is reached, and the person is placed in the mold. Inside the hollow concrete tube - set the amount of oil 'and use the side pressure cylinders on both sides of the mold toward the thick The two ends of the tube are propelled at a low speed, and when the mold is closed to a set value, each of the side pressures is driven by a high speed to advance the supercharged red on both sides of the side pressure cylinder for boosting compensation, and the two side cylinders are high speed. When advancing to the end of the preset stroke, ^ complete the final formation of the roughing tube. At this time, the two side squats are used for the return-to-origin operation, and the second booster cylinder is also retracted to the origin, and the upper and lower sides are The mold opening operation is performed, and the roughing tube can be returned. [Summary of the Invention] (Technical Problem to be Solved) The frame tube formed by the above technology is a method for forming a seamless frame, mainly by pulling the hollow tube body into an end section. The elliptical cone-shaped crude embryo tube 'has the end of the crude embryo tube - the large diameter end, the coarse embryo tube is placed in the mold, and the top of the rough tube is made by pressing and hydraulic forming of the mold, 1298655 ^ surface Forming a concave-concave portion with a viewing function, taking out the raw blank tube behind the county, and cutting it. After the cutting step, the appropriate surface grinding and polishing treatment is performed. Producing a seam, the overall appearance is excellent' and it also has better strength. 〇
上述製程係屬液壓成型技術，其以液壓成型的方式， 將高壓液體注入該管件内徑，該管件是在前述步驟進行的 過程中受熱’而能提高延展性，並在液壓作用下，相對於 該模孔形狀向外擴張及產生形變；惟，本案發明人認為車 架管之製造方法仍具有可改善進步的空間，故研發並提供 另一種車架管之成型製程技術。 (解決問題之技術手段） 有鑑於此，本發明所揭露車架管件超塑成型製法，其 2要包含下列步驟：管件預加卫：係以㈣形成具預狀 1之一胚管；調質：於預設高溫將該胚管進行材質調整； 形預加X:將該胚管以外力改變其外觀為預設形狀；吹 模具將該胚管置於❹，並以高溫且高氣 吹製成型加工’以擴張該胚管呈最後預設形 =官件加工：將該胚管進行切削加卫，㈣成—車架管； =預加工與婦，可以伽管之材質㈣微細而均勾， =讀續製程之品質穩定，再_上述製程，以吹製成 ::將崎擴大呈預設形狀，且其可形成各處斷面不 π輪廓之管件，故其成型塑性高於一 之外形設収具變錄。 H程，使車架管 7 1298655 (對照先前技術之功效） 本發明之主要目的即在提供—種車架管件超塑成型 '係將胚管件以擴大、擴張方式作外觀成型，而習知 型方法多為將胚管擠壓縮小方式成型。 本發明之:欠—目的即在提供-種車架管件超塑成型 ，套係利用兩溫高壓之熱氣，配合一加熱模具，以吹製 方式使胚管成型，故管件之可塑性高。 卜本發明之再一目的即在提供一種車架管件超塑成型 製法’其所製造之車架管整體管件各處斷面輪廓、管壁厚 度可均不同，於外形設計上可更具變化性，符合市場需求。 【實施方式】 首先請參照第一圖，本發明所提供之一種鋁合金車架 官件超塑成型製法，其製造程序其步驟如下： a·苔件預加工：係以抽管形成具預設尺寸之一胚管 (10)。 b·調質：於預設高溫將該胚管（1〇)進行材質調整；其 主要係將該胚管（1 〇)進行熱處理，其處理過程溫度 為250至500°C，並控制材質晶粒大小在20/zm以 下。 c·外形預加工··將該胚管（1〇)以外力改變其外觀為預 Π又形狀，主要係將該胚管（1 〇 )以強大外力進行打 8 1298655 弯、打扁等外觀之改變者。 d.吹製成型：利用—吹製成型機（20)將該胚管（1〇) 置於其内’並以高溫且高氣壓方式進行吹製成型加 工’以擴張該胚管⑽呈最後預設形狀’其成型過 程所需溫度為300至500°C。。 e·官件加工：將該胚管（1〇)進行切削加工，如長度裁 朴切、銑切、钻孔等切削作業，最後即完成一車。 • 藉由上述製程’其中預加工之抽管過程中，需控制管 彳的^質晶粒變化’配合後續之調f熱處理等程序，可以 使胚官之材質晶粒微細而均句，以利於後續製程之品質穩 疋，請參見實際製作之金相顯微鏡照片及電子顯微鏡照片 (如附件二）’再以吹製成型方式將該胚管擴大呈預設形 狀’且其可形成各處斷面不同輪廓，且亦可為各處斷面管 壁厚度均不同之管件應用，故其塑性高，使車架管之外形 鲁 設計更具變化性。 為供進一步瞭解本創作構造特徵、運用技術手段及所 預期達成之功效，茲將本創作使用方式加以敘述如下： •’ 本發明之步驟d所揭露之吹製成型作業，請參照第二 圖，其中該吹製成型機（2〇)更進一步包含有一模具（21)， 其具有預設管件成型形狀之一模穴（22);至少一熱風口 (23)，係設於該模具（21)之一側，且可與該模穴（22)相連 通，一熱風裝置（24)，係具有一熱風管（25)設於該熱風口 (23)處，藉以提供該模具（2〇)吹製之高溫高壓之熱空氣。 9 1298655 請參照弟二圖至第六圖，係為本發明吹製成型之情 形，首先將已經過外形預加工步驟之該胚管（1〇)置於該模 六（22)内後合模’同時亦使該熱風管（25)容伸至模穴（22) 内，並確保胚管（10)與熱風管（25)之結合密閉且防漏，然 後該熱風管（25)則開始送入高溫且高壓之熱氣，該模具 (21)機台亦同時開始加熱，此時熱風進入該胚管（1〇)内緣 徑並受壓開始膨脹擴張，當擴張至填滿該模穴（22)預設輪 廓，最後脫模取出該胚管（1〇)。 請參照第七圖，係為吹製成型後之胚管（1〇)，其中可 樣取A-A及B-B兩處之斷面，配合兩端之侧視斷面，可得 其管件外輪廓均不相同，且於雜上有極大的差別；另參 …第八圖及第九圖’係為另外其它管件外形設計之實施離 樣’均可日細視其外觀形狀之變化性相#該，於設計ς 用可作許夕造型上的突破’不會滞礙於傳統擠壓之成型技 術會使外觀設計上受到侷限的情形。 本發明係利用抽拉成型之胚管 管之材皙曰π…^ 周私序使胚 之=日粒細化且均勻’再高溫高壓之熱氣，配合加敎 之一杈具（21)，以吹贺方七 …、 工吏胚管成型，其藉由將胚管件 从擴大、擴張方式作外觀成型， 5仟 高，因其超塑比率較習式技術 口為先期製程控制晶粒細化 製程，仍能保持胚管材質之以=，使付後績之超塑 小之成刑，相較習知以胚管擠壓縮 J之成型方式，本發明製程可择^ 度仍然能_持，@ A㈣ 牛之可塑性，材料強 准持因為材質不變’不需擠壓，整體的重量 1298655 得以減輕，仍然能夠維持基礎強度，也使整體車架更輕量 化，此外，其所製造之車架管整體管件各處斷面輪廓、管 壁厚度可均不同，於外形設計上可更具變化性，符合市場 需求。 綜合上述，本發明所揭露之「車架管件超塑成型製 法」，係提供一種成型製程，先以抽拉胚管再予以調質， 再利用吹製成型以高壓吹人減來擴張、擴大管件，而可 形成輪廓更複雜、外觀設計應用更豐富之車架管，其可有 效提升管件之可塑性，並維㈣件之材質及基礎強度，請 參見成型後管件之取樣拉伸曲線圖（如附件―），同時可 得管件製品其各處斷面輪廓、管壁厚度可均不同，故可提 升市場價值性，而獲致-實用性高之製程技術，俾使整體 確具產業實雜及成本效益，且其構成結構又未曾見於諸 書刊或公開個’誠符合新型專利申請要件，輯釣 明鑑，早曰准予專利，至為感禱。 一" 需陳明者’以上所述乃是本發明之具體實施例及所運 用之技術原理’若依本發日狀構想所作之改變，其所產生 之功能作用仍未超出說明書及圖式所涵蓋之精神時 在本發明之範圍内，合予陳明。 ^ 11 1298655 【圖式簡單說明】 第一圖為本發明一較佳實施例之流程示意圖。 第二圖為本發明一較佳實施例之吹製成型機示意圖。 第三圖為本發明一較佳實施例之吹製成型狀態示意圖一。 第四圖為本發明一較佳實施例之吹製成型狀態示意圖二。 第五圖為本發明一較佳實施例之吹製成型狀態示意圖三。 第六圖為本發明一較佳實施例之吹製成型狀態示意圖四。 第七圖為本發明一較佳實施例之吹製成型管件示意圖一。 第八圖為本發明一較佳實施例之吹製成型管件示意圖二。 第九圖為本發明一較佳實施例之吹製成型管件示意圖三。 【主要元件符號說明】 [本創作] 胚管 吹製成型機 ® 模具 模穴The above process is a hydroforming technology, which injects high-pressure liquid into the inner diameter of the pipe by hydroforming, the pipe is heated during the process of the foregoing steps to improve the ductility, and under the action of hydraulic pressure, The shape of the die hole is outwardly expanded and deformed; however, the inventor of the present invention believes that the manufacturing method of the frame pipe still has room for improvement, and thus another molding process technology for the frame tube is developed and provided. (Technical means for solving the problem) In view of the above, the superplastic forming method for the frame pipe fitting disclosed in the present invention includes the following steps: the pipe member is pre-guarded: (4) forming a preform having a preform 1; : adjusting the material of the embryo tube at a preset high temperature; pre-adding X: changing the appearance of the external force of the tube to a preset shape; blowing the mold to place the tube in the crucible, and blowing it at a high temperature and high air Molding process 'to expand the embryo tube to the final preset shape = official processing: the cutting tube to cut and defend, (four) into - frame tube; = pre-processing and women, can be gamma material (four) fine and even Hook, = the quality of the reading process is stable, and then the above process is blown into:: The Kawasaki is expanded into a preset shape, and it can form a pipe member with a non-π profile in each section, so the molding plasticity is higher than one. In addition to the collection of the change record. H-way, the frame tube 7 1298655 (according to the efficacy of the prior art) The main purpose of the present invention is to provide a type of frame tube super-plastic forming 'the embryonic tube parts are formed in an enlarged and expanded manner, and the conventional type Most of the methods are to shape the embryo tube by shrinking. The invention has the following advantages: the under-purpose is to provide super-plastic molding of the frame type pipe fittings, and the casing uses the hot air of two temperatures and high pressures, and a heating mold is used to form the embryonic tube by blowing, so the plasticity of the pipe fitting is high. A further object of the present invention is to provide a superplastic forming method for a frame pipe fitting. The overall cross-sectional profile and wall thickness of the frame tube manufactured by the frame can be different, and the shape can be more variability. , in line with market demand. [Embodiment] Referring first to the first drawing, the invention provides a superplastic molding method for an aluminum alloy frame official part, and the manufacturing procedure thereof is as follows: a. Prefabrication of the moss parts: the preset is formed by the suction pipe One of the dimensions of the embryo tube (10). b·tempering and tempering: the material of the embryo tube (1〇) is adjusted at a preset high temperature; the main purpose is to heat treat the tube (1 〇), the processing temperature is 250 to 500 ° C, and the material crystal is controlled. The particle size is below 20/zm. c. Shape pre-processing · Change the appearance of the external force of the embryo tube (1〇) to the shape of the pre-twist and shape, mainly to make the appearance of the tube (1 〇) with a strong external force, such as 8 1298655 bending, flattening, etc. Changer. d. blow molding: the blank tube (1) is placed in the 'blow molding machine' (20) and blow-formed at a high temperature and high pressure to expand the embryo tube (10) In the final preset shape, the temperature required for the molding process is 300 to 500 °C. . e·Oriental processing: The blank tube (1〇) is cut, such as length cutting, milling, drilling, etc., and finally a car is completed. • Through the above process “in the process of pre-processing the pipe drawing, it is necessary to control the change of the grain shape of the pipe” and the subsequent heat treatment such as heat treatment, etc., so that the material of the embryonic material can be fine and uniform, so as to facilitate The quality of the subsequent process is stable. Please refer to the actual metallographic microscope photo and electron micrograph (such as the second part), and then expand the embryo tube into a preset shape by blowing and forming it. The different contours of the surface can also be applied to the pipe fittings with different thicknesses of the pipe wall in each section, so the plasticity is high, which makes the design of the frame tube outside the frame tube more versatile. In order to further understand the characteristics of this creation, the application of technical means and the expected effect, the use of this creation is described as follows: • 'The blow molding work disclosed in step d of the present invention, please refer to the second figure The blow molding machine (2) further includes a mold (21) having a cavity (22) of a predetermined tubular shape; at least one hot air opening (23) is attached to the mold (2) 21) one side, and is connectable with the cavity (22), a hot air device (24) having a hot air pipe (25) disposed at the hot air vent (23) to provide the mold (2〇 ) Blowing hot air at high temperature and high pressure. 9 1298655 Please refer to the second to sixth figures, which is the case of the blow molding of the present invention. First, the blank tube (1〇) which has been subjected to the shape pre-processing step is placed in the mold 6 (22). The mold 'also allows the hot air duct (25) to be inserted into the cavity (22), and ensures that the combination of the embryo tube (10) and the hot air tube (25) is sealed and leakproof, and then the hot air tube (25) begins. The high temperature and high pressure hot gas is fed, and the mold (21) machine also starts heating at the same time, at which time the hot air enters the inner diameter of the green tube (1 〇) and begins to expand and expand under pressure, and expands to fill the cavity ( 22) Pre-set the contour, and finally demould to remove the embryo tube (1〇). Please refer to the seventh figure, which is the blank tube (1〇) after blowing, in which the sections of AA and BB can be taken together, and the side profiles of the two ends can be matched to obtain the outer contours of the pipe fittings. It is not the same, and there is a great difference in the miscellaneous; another...the eighth and ninth diagrams are the same as the other models of the outer shape design of the pipe fittings. In the design, it can be used as a breakthrough in the shape of Xu Xi, which will not hinder the traditional extrusion molding technology, which will limit the design. The invention utilizes the material of the embryo tube of the drawing to be 皙曰π...^ week private order to make the embryo = daily grain refinement and uniform 'the heat of high temperature and high pressure, cooperate with one of the heating utensils (21), Blowing He Fangqi..., the forming of the embryonic tube, which is formed by expanding and expanding the embryonic tube, which is 5 仟 high, because its superplastic ratio is a prior art process to control the grain refinement process. , can still maintain the material of the embryo tube =, so that the super-plasticity of the post-production is small, compared with the conventional molding method of the tube-squeezing compression J, the process of the invention can still be selected, @ A (4) The plasticity of the cow, the material is strong and the material is unchanged because the material does not need to be squeezed, the overall weight of 1298655 can be reduced, the foundation strength can still be maintained, and the overall frame is lighter. In addition, the frame tube manufactured by the frame is made. The cross-section contour and the wall thickness of the whole pipe fittings can be different, and the shape design can be more variability, which meets the market demand. In summary, the "super-plastic molding method for the frame pipe fittings" disclosed in the present invention provides a molding process, which firstly tukes the metal tube and then tempers it, and then uses the blow molding type to expand and expand by high-pressure blowing. Pipe fittings, which can form a frame tube with more complicated contours and richer design applications, which can effectively improve the plasticity of the pipe fittings, and the material and foundation strength of the dimensional (four) pieces, please refer to the sampling and drawing curve of the pipe fittings after forming (such as Attachment-), at the same time, the cross-sectional profile and wall thickness of the pipe fittings can be different, so that the market value can be improved, and the process technology with high practicality can be obtained, so that the overall industry is complicated and costly. Benefits, and its composition has not been seen in the books or publications of a 'sincere compliance with the new patent application requirements, the series of fishing Mingjian, early granting patents, to pray. The above is a specific embodiment of the present invention and the technical principle applied thereto. If the change is made according to the concept of the present invention, the functional function produced by the present invention does not exceed the specification and the schema. The spirit of the invention is within the scope of the invention and is given to Chen Ming. ^ 11 1298655 [Simple Description of the Drawings] The first figure is a schematic flow chart of a preferred embodiment of the present invention. The second figure is a schematic view of a blow molding machine according to a preferred embodiment of the present invention. The third figure is a schematic view of a blow molding state according to a preferred embodiment of the present invention. The fourth figure is a schematic view 2 of a blow molding state according to a preferred embodiment of the present invention. Fig. 5 is a third schematic view of the blow molding state according to a preferred embodiment of the present invention. Figure 6 is a fourth schematic view of a blow molding state according to a preferred embodiment of the present invention. Figure 7 is a schematic view of a blow molded tubular member according to a preferred embodiment of the present invention. Figure 8 is a schematic view of a blow molded tubular member according to a preferred embodiment of the present invention. Figure 9 is a third schematic view of a blow molded tubular member in accordance with a preferred embodiment of the present invention. [Main component symbol description] [This creation] embryo tube blow molding machine ® mold cavity
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