TWI302856B - An apparatus of hot tube hydroforming processes and its sealing parts - Google Patents

An apparatus of hot tube hydroforming processes and its sealing parts Download PDF

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Publication number
TWI302856B
TWI302856B TW95146661A TW95146661A TWI302856B TW I302856 B TWI302856 B TW I302856B TW 95146661 A TW95146661 A TW 95146661A TW 95146661 A TW95146661 A TW 95146661A TW I302856 B TWI302856 B TW I302856B
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Taiwan
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oil
oil seal
pipe
hydraulic
seal assembly
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TW95146661A
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Chinese (zh)
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TW200824812A (en
Inventor
Yeong Maw Hwang
Wen Chan Chang
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Univ Nat Sun Yat Sen
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Publication of TWI302856B publication Critical patent/TWI302856B/en

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1302856 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種熱間管材液壓成形裝置及其油封 組件,特別是關於利用一預熱器將一液壓油預先加熱至預 定温度,以便進行後續液壓成形作業,且設有一油封組件 以防止該液壓油外漏之管材液壓成形裝置。 【先前技術】 .習用管材液壓成形裝置,如中華民國申請案號第 094103270號「以非油液體作為加工媒介之液壓成形方法 及實現該方法之設備」發明專利,其中該液壓成形裝置包 含一成形模具、一壓缸組、一注水裝置及一增壓裝置。該 成形模具設有一上模、一下模、一第一侧模及一第二側模 ,用以供一待成形管件配合各該模具之預定形狀進行液壓 〃成形作業。該壓缸組係由一合模缸、一第一側缸及一第二 側缸所構成,用以推動該成形模具之各模具進行合模動作 # 。該注水裝置可將一非油液體〔水或以水為主之液體〕傳 送至該待成形管件之内部,並藉由該增壓裝置加壓該非油 液體使該待成形管件鼓脹變形,進而配合該成形模具形 預定形狀。 〆 一般而言,上述習用管材液壓成形裝置具有下列缺 - 點,例如··該液壓成形裝置主要係加壓水以迫使該待成形 管件鼓脹變形而完成其液壓成形作業。惟針對某些金屬^ 質之管件而言,較佳成形溫度係介於該管件熔點之〜 〇·5倍,例如··鎂合金材質之管件加熱於攝氏2〇〇至3〇〇 D:\Linda\PK Pat\PK10200.doc 06/12/13/11;, —5 — 1302856 度間的细力s度時具有較佳的延展性 形裝置如欲將水加熱至高溫時,水係相#容易=成 象’而不利於進行後續液壓成形作業’故該液壓成:壯: 溫下進行液壓成形作業,並無法於高温ί境 下進仃祕卿作業。故此設備餘妨在s 延展性之金屬的成形作業。 /、百 另外,制液壓成職置如欲直接利用高 # =行液壓成形作業時,仍無法有效解決如何確保高溫^壓 傷及周邊機件等相關題。再者,f料壓成形裝 |之弟-侧模及第二侧模與該待成形f件之間並無油封設 °十,亦無法解決鬲溫液壓油之油封問題。 、 JH 本發明係在—成形模具組及-液㈣傳送單元之間 妓i熱器,以便賴—液壓油至—預定溫度,再藉: 該液壓油將-待成形管件加熱至該預定溫度,使 管件於液壓成形過程中具有較佳之延展性,以進^成^ • t:另於該待成形管件之端部設置-油封組件,以有效解 决馬溫時之油封問題,而達到液壓成形作業之目的。 【發明内容】 本發明之主要目的係提供一種熱間管材液壓成形裝 置及其油封組件’藉由—預熱器預熱—液壓油至—預定溫 度’再藉由該液壓油將—待成形管件加熱至該預定溫度, 以進行加J1成形’使得本發明具有在高溫時進行管材成形 之能力。 本發明之:欠要目的係提供—種熱㈣㈣壓成形裝 D:\Linda\PK Pat\PK10200.doc1302856 IX. Description of the Invention: [Technical Field] The present invention relates to a hot-water pipe hydroforming device and an oil seal assembly thereof, and more particularly to preheating a hydraulic oil to a predetermined temperature by means of a preheater for subsequent Hydroforming operation, and an oil seal assembly is provided to prevent the hydraulic oil from leaking out of the hydraulic forming device. [Prior Art] Conventional pipe hydraulic forming device, such as the Republic of China Application No. 094103270 "Hydraulic forming method using non-oil liquid as a processing medium and equipment for realizing the method", wherein the hydroforming device comprises a forming A mold, a cylinder group, a water injection device and a pressurizing device. The forming die is provided with an upper die, a lower die, a first side die and a second side die for hydraulically forming a tubular shape to be formed in accordance with a predetermined shape of each of the molds. The cylinder group is composed of a clamping cylinder, a first side cylinder and a second side cylinder for pushing the molds of the forming mold to perform a clamping operation #. The water injection device can transfer a non-oil liquid (water or water-based liquid) to the inside of the pipe to be formed, and pressurize the non-oil liquid by the pressurizing device to bulge and deform the pipe to be formed, thereby cooperating The forming mold has a predetermined shape. 〆 In general, the above-described conventional pipe hydroforming device has the following disadvantages, for example, the hydroforming device is mainly pressurized water to force the tube to be formed to expand and deform to complete its hydroforming operation. However, for some metal fittings, the preferred forming temperature is 〜·5 times the melting point of the tube. For example, the tube of magnesium alloy is heated at 2〇〇 to 3〇〇D:\ Linda\PK Pat\PK10200.doc 06/12/13/11;, —5 — 1302856 degrees of fine force s degree with better ductile shape device If the water is heated to high temperature, the water phase# Easy = imaging 'is not conducive to the subsequent hydroforming operation', so the hydraulic pressure: Zhuang: hydraulic forming work under temperature, and can not enter the secret operation in high temperature. Therefore, the equipment is suitable for the forming work of the ductile metal. /, Hundreds, the hydraulic system into the job to directly use the high # = line hydraulic forming operations, still can not effectively solve how to ensure high temperature ^ pressure injury and peripheral parts and other related issues. Moreover, there is no oil seal between the younger-side mold and the second side mold and the f-form to be formed, and the oil seal problem of the hydraulic oil of the temperature can not be solved. JH The present invention relates to a heat exchanger between a forming die set and a liquid (four) transfer unit, so that the hydraulic oil reaches a predetermined temperature, and the hydraulic oil heats the pipe to be formed to the predetermined temperature. The pipe fitting has better ductility in the hydroforming process, so as to further form an oil seal assembly at the end of the pipe member to be formed, so as to effectively solve the oil seal problem at the time of the horse temperature, and achieve the hydroforming operation. The purpose. SUMMARY OF THE INVENTION The main object of the present invention is to provide a hot water pipe hydraulic forming device and an oil seal assembly thereof - by preheating the preheater - hydraulic oil to - predetermined temperature - and then by the hydraulic oil - the pipe to be formed Heating to the predetermined temperature to perform J1 forming 'has the ability of the present invention to perform tube forming at high temperatures. The invention has the following objectives: providing a kind of heat (four) (four) pressure forming equipment D:\Linda\PK Pat\PK10200.doc

06/12/13/11:18 AM 6 l3〇2856 • =其油聽件’其藉由—油雜件設置於麟成形管件 之端部,以確實防止該液壓油外漏,使得本發明具有高溫 日寸之油封效果。 根據本發明之管材液壓成形裝置及其油封組件,其 包^一成形模具組、一油封組件、一預熱器及一液壓油傳 送單元。該成形模具組用以供容納一待成形管件;該油封 組^設置於該待成形管件之端部,以提供一阻油功能,·該 • 液壓油傳送單元可傳送一液壓油經該預熱器及油封組件至 ,待成形管件内部,並以該預熱器預先加熱該液壓油,再 藉由4液壓油將該待成形管件加熱至較佳成形溫度,進而 完成該待成形管件之液壓成形作業。 【實施方式】 :為讓本發明之上述及其他目的、特徵及優點能更明 顯易懂,下文特舉本發明之較佳實施例,並配合所附圖式 ’作詳細說明如下: 鲁 请參照第1圖所示,本發明實施例之管材液壓成形 裝置係包含一成形模具組丨、一油封組件2、一液壓油傳 送單元3及一預熱器5。該成形模具組1係供容納一待成 形管件6。該油封組件2設置於該待成形管件6之端部, 以確保該待成形管件6内部之一液壓油不會外漏。該液壓 • 油傳送單元3用以將該液壓油傳送至該待成形管件6内部 ’且於傳送過程中該預熱器5可預先加熱該液壓油至一預 疋/JnL度’以便藉由該液壓油加熱該待成形管件6至該預定 溫度。藉此,該液壓油傳送單元3可用以加壓該液壓油, DALimlB\PK Pat\PKl0200.如06/12/13/11:18 AM 6 l3〇2856 • = its oil-sounding member's use of oil-filled parts at the end of the formed tube to prevent the hydraulic oil from leaking, so that the present invention has High-temperature day-inch oil seal effect. A pipe hydraulic forming apparatus and an oil seal assembly thereof according to the present invention comprise a forming die set, an oil seal assembly, a preheater and a hydraulic oil transfer unit. The forming mold set is for accommodating a pipe to be formed; the oil seal set is disposed at an end of the pipe to be formed to provide an oil barrier function, and the hydraulic oil transfer unit can transmit a hydraulic oil through the preheating And the oil seal assembly to the inside of the pipe to be formed, and preheating the hydraulic oil with the preheater, and heating the pipe to be formed to a preferred forming temperature by 4 hydraulic oil, thereby completing the hydroforming of the pipe to be formed operation. The above and other objects, features, and advantages of the present invention will become more apparent and understood. As shown in Fig. 1, the pipe hydraulic forming device of the embodiment of the present invention comprises a forming die set, an oil seal assembly 2, a hydraulic oil transfer unit 3 and a preheater 5. The forming die set 1 is for accommodating a tube member 6 to be formed. The oil seal assembly 2 is disposed at an end of the pipe member 6 to be formed to ensure that one of the hydraulic oil inside the pipe member 6 to be formed is not leaked. The hydraulic oil transfer unit 3 is configured to transfer the hydraulic oil to the inside of the pipe member 6 to be formed and the preheater 5 can preheat the hydraulic oil to a pre-twist/JnL degree during the transfer process. The hydraulic oil heats the tube member 6 to be formed to the predetermined temperature. Thereby, the hydraulic oil transfer unit 3 can be used to pressurize the hydraulic oil, DALimlB\PK Pat\PKl0200.

06/12/13/11:18 AH —7 — 1302856 使該待成形管件6鼓脹變形,以配合該成形模具組1完成 液壓成形作業。 清再茶照第1圖所示,本發明實施例之成形模具組1 係设有預s形狀的—模穴n,並於該成形模具組j之二 側分別s又有一定位孔12,該定位孔12内侧形成一内螺紋 部121。藉此’該待成形管件6可容納於該成形模具組1 之模穴11内’以便於液壓成形過程中配合該模穴11成形 為預定形狀。06/12/13/11:18 AH —7 — 1302856 The tube member 6 to be formed is inflated and deformed to complete the hydroforming operation in cooperation with the forming mold set 1. In the first embodiment of the present invention, the forming die set 1 of the embodiment of the present invention is provided with a pre-s-shaped die hole n, and a positioning hole 12 is further formed on each of the two sides of the forming die set j. An internal thread portion 121 is formed inside the positioning hole 12. Thereby, the tube member 6 to be formed can be accommodated in the cavity 11 of the forming mold set 1 to facilitate the shaping of the cavity 11 into a predetermined shape during hydroforming.

明參妝第1至3圖所示,本發明實施例之油封組件2 设有至少-套封件21、至少—油封環22及至少_迫緊環 23 °該套封件21為可套設於該待成形管件6 -端之外側 周緣的封蓋,且該套封件21設有一容置槽211、一油道 212、-定位凹部213、—凸部214及—外螺紋部215。該 〜形成於該套封件21之—側以供容納該待成形 官件6之-端。該凸部214形成於該容置槽2ιι内,且該 =2H之外侧周面與該容置槽211之内側槽壁間形成一 2=未標示〕:該環狀間隙係對應該待成形管件6 之B體尽度’以便該待成形管件6之—端可 隙中。該油道212自該套封件21衣、溻 r 之另—侧貫穿至該凸部 而面,以便一液壓油〔未緣示〕可經 成形管件6之内部。該定位凹部213形 才曰11之内侧槽壁,以供由内而外依序固〜 、 及迫緊環23。該油封環22係使用亥油封環22 油封耐熱性佳且具彈性,故阻油效果較佳。該 D:\Linda\PK Pat\PK10200.doc °6/l2/13/n;l8 8 — I302856 . 加形狀該套封件2卜端之外側周面,以便對應螺接 遠成形模具組1之定位孔12的内螺紋部121。 又,請再參照第1至3圖所示,該油封環22及該迫 緊環23相互接鄰之一侧可分別形成一抵接斜面〔未標示〕 ’以及該定位凹部213及該油封環22相互接鄰之一側亦 可分別形成-抵接斜φ〔未標示〕。且舰緊環23相對 ^裸露於該套封件21之外侧,以便受抵壓後迫使該油封 • 王裒22產生形變,進而封填該套封件21與該待成形管件6 =間的_以防止魏壓油外漏。另外,如第i圖所示之 •例巾4套封件21選擇設置二個,該三個套封件η $刀別套⑤於該待成形管件6之二端,以防止該液壓油自 該待成形管件6之二端外漏。 4再參照第1圖所示,本發明實施例之液壓油傳送 3设有一儲油桶31、一馬達32、一單向閥33、一增 ^'34及數個官路35。該儲油桶31、馬達%及增壓器 • 係依序以各该官路35相互連接,且該單關33設置 於該馬達32及增壓器34之間。藉此,該儲油桶31可用 二儲存該液壓油,並彻該馬“ 32及該增壓器%將該液 壓油傳送至該待成形管件6内部。 π參照第1、2及4圖所示,本發明實施例之預熱器 • 5 ^有傳導體51、至少-導管52、至少-加熱棒53 =連接管54。賴傳物51為―具有導熱功能之塊狀 例如銅等類之金屬〕。該導管52係迁迴設置於該熱傳 ¥ — 51内和以相對增加該液壓油通過該導管52之時間 D:\Linda\PK Pat\PK10200. docAs shown in Figures 1 to 3 of the present invention, the oil seal assembly 2 of the embodiment of the present invention is provided with at least a sleeve seal 21, at least an oil seal ring 22 and at least a tension ring 23 °. The sleeve seal member 21 is sleeved. The cover of the outer side of the 6-end of the tubular member to be formed, and the sleeve 21 is provided with a receiving groove 211, an oil passage 212, a positioning recess 213, a convex portion 214 and an external thread portion 215. The ~ is formed on the side of the sleeve member 21 for receiving the end of the member member 6 to be formed. The convex portion 214 is formed in the accommodating groove 2 ι, and the outer circumferential surface of the =2H and the inner groove wall of the accommodating groove 211 form a 2=unlabeled: the annular gap corresponds to the tubular member to be formed The B body end of 6 is so that the end of the tube to be formed 6 can be in the gap. The oil passage 212 penetrates from the other side of the sleeve member 21 and the other side to the convex portion so that a hydraulic oil (not shown) can be formed into the inside of the tubular member 6. The positioning recess 213 defines the inner groove wall of the casing 11 for sequentially fixing the inner and outer portions and the pressing ring 23. The oil seal ring 22 is sealed with an oil seal ring 22 and has good heat resistance and elasticity, so that the oil barrier effect is better. The D:\Linda\PK Pat\PK10200.doc °6/l2/13/n; l8 8 — I302856 . The outer peripheral surface of the sleeve 2 is shaped to correspond to the screw forming the distal forming die set 1 The internal thread portion 121 of the hole 12 is positioned. Moreover, referring to the first to third figures, one side of the oil seal ring 22 and the pressing ring 23 adjacent to each other may form an abutting slope [not shown] and the positioning recess 213 and the oil seal ring. 22 sides of each other may also be formed separately - abutting oblique φ [not labeled]. And the tight ring 23 is exposed on the outer side of the sleeve 21 so as to be forced to deform after the pressure is pressed, thereby sealing the sleeve 21 and the tube to be formed 6 = In order to prevent the Wei pressure oil from leaking. In addition, as shown in Fig. i, the cover 4 of the case 4 is selected to be provided with two sets, and the three sets of seals η $ are sleeved 5 at the two ends of the tube member 6 to be formed to prevent the hydraulic oil from being self-contained. The two ends of the tube member 6 to be formed are leaked. 4 Referring again to Fig. 1, the hydraulic oil transfer 3 of the embodiment of the present invention is provided with an oil storage tank 31, a motor 32, a check valve 33, an increase of '34, and a plurality of official roads 35. The oil storage tank 31, the motor %, and the supercharger are sequentially connected to each other by the respective official passages 35, and the single shutoff 33 is disposed between the motor 32 and the supercharger 34. Thereby, the oil storage tank 31 can store the hydraulic oil in two, and transfer the hydraulic oil to the inside of the pipe to be formed 6 by the horse "32" and the supercharger %. π refers to the figures 1, 2 and 4 The preheater of the embodiment of the present invention includes a conductor 51, at least a conduit 52, and at least a heating rod 53 = a connecting tube 54. The material 51 is a block having a heat conducting function such as copper or the like. Metal]. The conduit 52 is relocated back to the heat transfer ¥-51 and relatively increases the time that the hydraulic oil passes through the conduit 52: D:\Linda\PK Pat\PK10200. doc

〇6/Ι2/13/Π:ϊ8 AM 13〇2856 ’而有利於該預熱器5對該液壓油進行加熱,且該導管 上具有一入口端521及一出口端522,以便該液壓油可自 ,入D端進入該導管52内部,再經由該出口端522 離開該導管52。該加熱棒53可選擇設置於該熱傳導體51 之内部或外部,以便加熱該熱傳導體51,進而藉由該熱 傳&體51之導熱作用提升通過該導管52的液壓油溫度。 另外’該連接管54係連接該導管52之出口端522。〇6/Ι2/13/Π: ϊ8 AM 13〇2856' is advantageous for the preheater 5 to heat the hydraulic oil, and the conduit has an inlet end 521 and an outlet end 522 for the hydraulic oil to From the end of the D into the interior of the conduit 52, the conduit 52 is exited via the outlet end 522. The heating rod 53 may be optionally disposed inside or outside the heat conducting body 51 to heat the heat conducting body 51, thereby increasing the temperature of the hydraulic oil passing through the duct 52 by the heat transfer of the heat transfer body 51. Further, the connecting tube 54 is connected to the outlet end 522 of the duct 52.

、凊翏照第1至4圖所示,當組裝本發明實施例之管 =液壓成形裝置時,該成形模具組丨之模穴n可供容納 =待成形管件6,該油封組件2之套封件21分別套設於 =待成形官件6二端的外侧周面,其凸部214則用以抵撐 二=形管件6 —端之内侧壁,以防止該待成形管件6之 &端欠形。另外,該套封件21之外螺紋部215係對應螺 J接該成形模具組i之定位孔12的内螺紋部m。藉此, =成形模具組1之側端可壓抵該迫緊環23,再藉由該 ^緊壤23之抵接斜面施加壓力予該油封環22 一侧之抵接 ” ^配口忒疋位凹部213之抵接斜面同時壓抵該油封 衣1 一側之抵接斜面,以便該油封環22受壓迫後可產 f形變’進而封填該套封件21之容置槽211的内側槽壁 ^待成形管件6之外侧周面之間的間隙,以有效避免該 =由=隙外漏。該液壓油傳送單元3之增壓器% 麼、、由傳^連接該預熱器5之入口端52卜以便該液 Γ。53將該液壓油傳送至該預熱器5之導管52 …之連接管54 -端則連接該油封組件2之 D:\Linda\PK Pat\PKI0200.doc 一 10 —Referring to Figures 1 to 4, when the tube = hydroforming device of the embodiment of the present invention is assembled, the cavity n of the forming die set can be accommodated = the pipe member 6 to be formed, and the sleeve of the oil seal assembly 2 The sealing member 21 is respectively sleeved on the outer circumferential surface of the two ends of the official member 6 to be formed, and the convex portion 214 is used to abut the inner side wall of the end of the two-shaped tubular member 6 to prevent the & end of the tubular member 6 to be formed. Undercut. Further, the outer thread portion 215 of the sleeve member 21 is screwed to the female thread portion m of the positioning hole 12 of the forming mold group i. Thereby, the side end of the forming mold set 1 can be pressed against the pressing ring 23, and the pressure is applied to the side of the oil seal ring 22 by the abutting slope of the tight soil 23. The abutting slope of the recessed portion 213 is simultaneously pressed against the abutting slope of the oil seal 1 side, so that the oil seal ring 22 can be deformed after being pressed, thereby enclosing the inner groove of the receiving groove 211 of the sleeve member 21. a gap between the peripheral surfaces of the outer side of the tubular member 6 to be formed to effectively avoid the leakage of the gap of the = hydraulic fluid transfer unit 3. The supercharger of the hydraulic oil transfer unit 3 is connected to the preheater 5 The inlet end 52 is for the liquid helium. 53 The hydraulic oil is transferred to the conduit 52 of the preheater 5. The end of the connecting tube 54-end connects the D:\Linda\PK Pat\PKI0200.doc of the oil seal assembly 2 10 —

0G/12/13/U:I8 AH 1302856 ,封件21的油道212,以便再將該液壓油經該油封組件2 導入該待成形管件6之内部進躲壓成形作業。0G/12/13/U: I8 AH 1302856, the oil passage 212 of the seal 21, so that the hydraulic oil is further introduced into the interior of the pipe member 6 to be formed through the oil seal assembly 2 to perform a pressure forming operation.

^ π再芩妝第1至4圖所示,當使用本發明之管材液 壓成形裝置時,該液壓油傳送單元3之儲油桶31内部可 ,先儲存液壓油,該馬達32則可抽取該儲油桶Μ之液 壓=,並將該液壓油依序經由該單向閥33、增壓器%及 各官路35傳送至該預熱器5。此時,該預熱器$之加熱 杯、53可直接加熱該熱傳導體51 ’且藉由該熱傳導體51 之導熱作用,以提升通過該導f 52之液壓油溫度。另外 ’當該液壓油提升至-财溫度後,可經由該連接管54 及,套封件21之油道212進入至該待成形管件6内部, 再藉由該南溫液壓油進—步提升該待成形管件6溫度達到 較佳成形溫度’使該待成形6具有較佳之延展性。藉 此’畲利肋增壓器34加壓魏壓油迫使該待成形管件 6鼓脹變形時’該待成形管件6即可輕易的配合該成形模 具組1之模穴11成形為預定形狀。 、 所逖 π于又用官材液壓成形裝置盔 常溫下延舰差之管件,叹未具有轉關效果等^ 。本發明储由該預熱器5預先將紐壓油加熱至一預 溫度’以便再藉由魏壓油進—步提升該待成形管件6 到該預定溫度,使該待成形管件6具有較佳之成形性, 可容易成形出形狀複雜之管件。再者,該預熱器5係利 ,管,35及連接管54設置於該成形模具組#該液壓 傳达早70 3之間’叫目對絲該祕油傳送單元3,進 D:\Linda\PK Pat\PK10200.doc 〇β/12/13/||:Ιβ —11 — 1302856 避由的過程中造成相關構件之損礅。另外 士精=_組件2更可確辆待細彡㈣6内二 油不會外漏,而提供-極佳之油 液[ 管材液m形作業。 μ* ^只礎行高溫 雖然本發明已利用上述較佳實施例揭示,然且並 用以限定本發明’任何熟習此技藝者在不脫離本發明之精 神和範圍之内,相對上述實施例進行各種更動與修改仍屬 本發明所保護之技術範缚,因此本發明之保護範圍當視後 附之申請專利範圍所界定者為準。^ π再芩妆1 to 4, when using the pipe hydroforming device of the present invention, the inside of the oil storage tank 31 of the hydraulic oil transfer unit 3 can first store hydraulic oil, and the motor 32 can extract the The hydraulic pressure of the oil storage tank = is transferred to the preheater 5 via the one-way valve 33, the supercharger % and each official road 35 in sequence. At this time, the heating cup, 53 of the preheater $ can directly heat the heat conductor 51' and by the heat conduction of the heat conductor 51 to raise the temperature of the hydraulic oil passing through the guide 52. In addition, after the hydraulic oil is raised to the temperature, the connecting pipe 54 and the oil passage 212 of the sealing member 21 can enter the inside of the pipe member 6 to be formed, and then the south temperature hydraulic oil is stepped up. The temperature of the tube member 6 to be formed reaches a preferred forming temperature 'to make the shape 6 to be formed have better ductility. By this, the ribbed rib pressurizer 34 pressurizes the weighed oil to force the tube member 6 to be inflated and deformed. The tube member 6 to be formed can be easily fitted into the cavity 11 of the forming mold set 1 into a predetermined shape.逖 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于 于The preheater 5 preheats the neostatic oil to a pre-temperature 'to re-raise the tube to be formed 6 to the predetermined temperature by the pressurization oil, so that the tube to be formed 6 has a better condition. Formability, it is easy to form a pipe with a complicated shape. Furthermore, the preheater 5 is provided, and the tube, 35 and the connecting tube 54 are disposed in the forming mold group #. The hydraulic pressure is communicated between the early 70 and the 3's to the eye to the silk oil transfer unit 3, into D:\ Linda\PK Pat\PK10200.doc 〇β/12/13/||:Ιβ —11 — 1302856 The damage caused by the relevant components during the avoidance process. In addition, Shizheng = _ component 2 can be confirmed to be fine (4) 6 inside the oil will not leak, but provide - excellent oil [tube liquid m-shaped operation. The present invention has been disclosed in the above-described preferred embodiments, and is intended to be illustrative of the present invention. The scope of the present invention is to be understood as being limited by the scope of the appended claims.

D:\Linda\PK Pat\PKI0200. <kxD:\Linda\PK Pat\PKI0200. <kx

06/12/13/11:18 AM —12 — 1302856 【圖式簡單說明】 第1周:本發明實施例之高溫管材液壓成形裝置及其 油封組件之結構示意圖。 第2圖:本發明實施例之高溫管材液壓成形裝置及其 油封組件之部分分解示意圖。 第3圖:本發明實施例之高溫管材液壓成形裝置及其 油封組件之部分組合剖視圖。 第4圖··本發明實施例之高溫管材液壓成形裝置之預 熱器的示意圖。06/12/13/11:18 AM —12 — 1302856 [Simplified description of the drawings] Week 1: A schematic diagram of the structure of the high temperature pipe hydroforming device and the oil seal assembly thereof according to the embodiment of the present invention. Fig. 2 is a partially exploded perspective view showing the high temperature pipe hydroforming apparatus and its oil seal assembly of the embodiment of the present invention. Fig. 3 is a partial sectional view showing a combination of a high temperature pipe hydroforming apparatus and an oil seal assembly thereof according to an embodiment of the present invention. Fig. 4 is a schematic view showing a preheater of a high temperature pipe hydroforming apparatus according to an embodiment of the present invention.

【主要元件符號說明】 1 成形模具組 12 定位孔 2 油封組件 211容置槽 213定位凹部 215外螺紋部 23 迫緊環 31 儲油桶 33 單向閥 35 管路 51 熱傳導體 521入口端 53 加熱棒 11模穴 121内螺紋部 21套封件 212油道 214凸部 22 油封環 3 液壓油傳送單元 32 馬達 34增壓器 5 預熱器 52 導管 522出口端 54連接管[Main component symbol description] 1 Forming die set 12 Positioning hole 2 Oil seal assembly 211 accommodating groove 213 Positioning concave portion 215 External thread portion 23 Pressing ring 31 Oil storage tub 33 Check valve 35 Pipe 51 Heat conductor 521 inlet end 53 Heating Rod 11 cavity 121 internal thread portion 21 sleeve seal 212 oil passage 214 convex portion 22 oil seal ring 3 hydraulic oil transfer unit 32 motor 34 supercharger 5 preheater 52 conduit 522 outlet end 54 connection tube

D:\Linda\PK Pat\PKl0200.doc ——13—— 06/12/13/11:18 AH 1302856 6 待成形管件D:\Linda\PK Pat\PKl0200.doc ——13—— 06/12/13/11:18 AH 1302856 6 Pipe fittings to be formed

Claims (1)

幽本 申請專利範圍: 、—種熱間管材液壓成縣置,其包含—成形模具組、 -油封組件及—㈣油傳送單元,該成形模具組以供 容納-待成形管件,該油封組件結合於該待成形管件 之端部’且該套封件設有一油道,其特徵在於: 該液壓油傳送單疋及油封組件之間設置一預熱器該 預熱器分別連通該液壓油傳送單元及該油封 封件的油道。 嘗 2 、依申請專魏㈣1項所述之_管材錢成形裝置 ’其中該油封組件設有至少—油封環,該油封環結人 該套封件以封填該套封件與該待成形管件之間的 〇 3、 依:請專利制第2項所述之_管材液壓成形裝置 ==封組件之套封件—侧形成-容置槽,該容 槽_成—凸部,該凸部之外側周面與該容 道自該套封件之另 4、 依^^_第3項所述之_管材液壓成形裝置 二::套封件之容置槽内側槽壁形成一定位凹部以 供,疋該油封環,該油封組件另設有一迫緊環,該迫 緊被設置於該定位凹部以抵接該油封環。、 5、 依第4項所述之熱間管材繼形裝置 抿接:ΓΓ及該油封環相互接鄰之-侧分別形成 _接斜面,該心凹部及該油封環相互接鄰之一側分 —15 — 1302856 、97· 〇7· 23第95146661號申請專利範圍修正本 別形成抵接斜面。 7 6、=f圍第5項所述之熱間管材液壓成形裝置 ,/、中該細彡模具組定位孔,該定 位,内側形成一内螺紋部,該套封件一端之外侧周面 形成可對應螺接該内螺紋部的一外螺紋部。 依申請專利範圍第1項所述之_管壓成形裝置 \其中該液壓油傳送單元設有1油桶、—馬達、一 增壓器及數個管路,該儲油桶、馬達及增壓器依序以 各該管路相互連接,且該增壓器以一管路連通該預熱 器0 8、 依申明專㈣圍第7項所述之熱間管材液壓成形裝置 ,其中該馬達及增壓器之間的管路設置一單向閥。 9、 依申請專利翻第7項所述之熱間管材液壓成形裝置 ,其中該預熱器設有一熱傳導體、至少一導管、至少 一加熱棒及一連接管,該導管設置於該熱傳導體内部 ,且該導官具有一入口端及一出口端,該入口端連接 該液壓油傳送單元之管路,該連接管一端連接該出口 端’另一端連接該油封組件之油道。 10、一種熱間管材液壓成形裝置之油封組件,其包含: 至少一套封件,其一側形成一容置槽,該容置槽内形 成一凸部,該凸部之外侧周面與該容置槽之内侧槽壁 間形成一環狀間隙,且該套封件另一侧設有貫穿至該 凸部之端面的油道; 至少一油封環,其設置於該容置槽之内側槽壁;及 1302856 07· 23第95146661號申請專利範圍修正本。 至少一迫緊環 該油封環。 其設置於該容 4糟之内侧槽壁以抵接 11 依申睛專利範圍第10項所述<教 ^ . ^ ^ 熟間管材液壓成形裝置 之油封組件,其中該套封件之裒 置槽内側槽壁形成一 疋位凹部以供固定該油封環及适緊環。 12 依申請專利範圍第11項所述之熱間管 之油封組件,其中該迫緊環及該油封 侧分別形成抵接斜面。 材液壓成形裝置 環相互接鄰之一 液壓成形裝置 環相互接鄰之 依申請專利範圍第12項所述之熱間管材 之油封組件,其中該定位凹部及該油封 一側分別形成抵接斜面。 13The scope of application for the application of the privilege: - a kind of heat pipe hydraulics into the county, which includes - forming die set, - oil seal assembly and - (4) oil transfer unit, the forming die set for accommodating - to be formed pipe fittings, the oil seal assembly At the end of the tubular member to be formed, and the sleeve is provided with an oil passage, characterized in that: a preheater is arranged between the hydraulic oil conveying unit and the oil seal assembly, and the preheater is respectively connected to the hydraulic oil conveying unit And the oil passage of the oil seal. Taste 2, according to the application of Wei (4) 1 item _ pipe money forming device' wherein the oil seal assembly is provided with at least - oil seal ring, the oil seal ring to seal the cover to seal the cover and the pipe to be formed 〇3, 依: please refer to the patent system, item 2, the pipe hydraulic forming device == the seal of the seal assembly - the side forming-accommodating groove, the groove _ into the convex portion, the convex portion The outer circumferential surface and the receiving space form a positioning concave portion from the other side of the sleeve member, according to the tube hydraulic forming device 2: the inner groove wall of the receiving groove of the sleeve sealing member For the oil seal ring, the oil seal assembly is further provided with a pressing ring, and the pressing force is disposed on the positioning recess to abut the oil seal ring. 5. The heat pipe forming device according to item 4 is connected: the ΓΓ and the oil seal ring are adjacent to each other to form a slanting face, and the heart recess and the oil seal ring are adjacent to each other. —15 — 1302856 , 97· 〇 7· 23 The patent scope modification of Form 95146661 forms an abutment slope. 7, =f surrounding the hot-spot pipe hydraulic forming device according to item 5, /, the fine boring die set positioning hole, the positioning, the inner side forms an internal thread portion, and the outer peripheral surface of the sleeve is formed at one end An external threaded portion of the female threaded portion can be screwed. According to the scope of claim 1, the pipe press forming device has a oil drum, a motor, a supercharger and a plurality of pipes, the oil storage drum, the motor and the pressurization. And the supercharger is connected to each other by a pipeline, and the supercharger is connected to the preheater by a pipeline, and the hot water pipe hydraulic forming device according to item 7 of the claim (4), wherein the motor and the motor A check valve is provided in the line between the superchargers. 9. The hot-spot pipe hydroforming device according to claim 7, wherein the preheater is provided with a heat conductor, at least one conduit, at least one heating rod and a connecting pipe, and the duct is disposed inside the heat conducting body. And the guide has an inlet end and an outlet end, the inlet end is connected to the pipeline of the hydraulic oil conveying unit, and one end of the connecting pipe is connected to the outlet end and the other end is connected to the oil passage of the oil seal assembly. An oil seal assembly for a hot-sleeve hydroforming device, comprising: at least one set of seals, one side of which forms a receiving groove, a convex portion is formed in the receiving groove, and the outer peripheral surface of the convex portion is An annular gap is formed between the inner groove walls of the accommodating groove, and the other side of the sleeve is provided with an oil passage penetrating to the end surface of the convex portion; at least one oil seal ring is disposed at the inner groove of the accommodating groove Wall; and 1302856 07· 23 No. 95146661, the scope of the patent application. At least one forced ring of the oil seal ring. It is disposed on the inner groove wall of the cavity to abut the oil seal assembly of the hydraulic pipe forming device according to item 10 of the patent application scope, wherein the sleeve is disposed The inner groove wall of the groove forms a clamp recess for fixing the oil seal ring and the tight ring. The oil seal assembly of the heat pipe according to claim 11, wherein the pressing ring and the oil seal side respectively form an abutting slope. The hydraulic sealing device of the material is connected to each other. The hydraulic forming device is adjacent to each other. The oil sealing assembly of the heat pipe according to claim 12, wherein the positioning recess and the oil seal side respectively form an abutting slope. 13
TW95146661A 2006-12-13 2006-12-13 An apparatus of hot tube hydroforming processes and its sealing parts TWI302856B (en)

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