1253965 五、發明說明（1) 【發明所屬之技術領域】 本發明係有關一種將預燒軟化銘料第一次鍛壓成形為 油壓細胚體並以連續之第二次鍛壓成形油壓缸粗胚之製法 端1 兩2 9道 體流 筒油 一出 在進 要設 主为 ，分 9蓋 缸端 壓兩 油， 般3 一 9 示、 所2 3圖9 術7蓋 技第端 前如一 先設 t 各 個多 四蓋 由端 藉兩 並’ ，此 越因 穿 ， 4缸 9壓 桿油 塞一 活為 供構 係組 蓋而 端蓋 1 端 少兩 至接 及串 1—I LO 3 9 9栓 、螺 為兩 式體 方筒 造至 製合 缸接 壓蓋 油端 的兩 統將 傳再 ，後 出而 凸， 緣作 外製 體別 筒各 較體 顯筒 明與 而蓋 形端 方兩 為將 程致偏 製導本 產易成 生實使 的確而 樣不度 這工長 故施間 ，若蓋 鎖置端 旋位兩 紋合合 螺接配 或體需 接筒栓 焊與螺 用蓋個 採端四 有及該 式以， 方，且 合佳況 接不， ，率油 端效漏 端 一 中 其。 於用 而之 c-m ，抠 置穿 位軸 置柩 設或 於定 定固 固絲 或螺 裝為 安做 能耳 缸凸 壓 一 1 油置容 使設内 為外明 ，另發 高蓋t 種作 一 壓 供鍛 提成。 而完缸 題程壓 問製油 的續之 述連空 上一中 決在為 解可心 於，軸 在法及 ，製 以 的形蓋 目成端 要塑兩 主鍛備 之胚具 明粗得 發缸製 本壓而 油， 種業 係 明 發 本 的 述 前 達 為 於 置 料 銘 之 化 軟一 燒第 預一 將以 :模 •.形 歹匕、 下熱 d經 包 及 行 進 料 銘 之 内 穴 模 形 成 對 外 孔 形 成 自 頭 沖 第 缸 壓 油 之 體 筒 之 短 較 及 蓋 端 端 兩 具 - 成 形 而 壓 鍛 次1253965 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a method of first forging a pre-burned softened material into a hydraulic fine embryo body and forming a hydraulic cylinder with a continuous second forging press. The end of the embryo method 1 2 2 9 body flow tube oil in the main to set the main, divided into 9 cover cylinder end pressure two oil, the general 3-9 shows, the 2 3 Figure 9 surgery 7 cover technology front end First set t each of the four cover by the end by two and ', the more the wear, the 4 cylinder 9 pressure rod oil plug is alive for the structure of the cover and the end cover 1 end less than two to the series and 1-I LO 3 9 9 bolts and snails are made of two square cylinders until the oil ends of the joint cylinders are connected to the oil ends of the joints, and then they are convex and convex, and the outer bodies of the outer bodies are more obvious and the ends are closed. In order to make the production of the eccentricity of the fascinating fascination, it is true that it is not the same as the length of the squad, if the cover is locked, the two-threaded splicing or the body needs to be bolted and welded. The snail is covered with a pick-up end and has the same type, square, and the best condition is not connected, and the oil end effect leaks one of them. For use in cm, the 穿 穿 穿 轴 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或 或Make a pressure for forging. The completion of the cylinder process, the continuation of the oil system, and the continuation of the sequel to the singularity of the squad, the axis is in the law, and the shape of the slab is to be molded into two main forging embryos. The cylinder system is pressed and oiled, and the seed industry is the first in the Ming Dynasty. The first one will be in the first place: mold, shape, heat, and transportation. The inner cavity mold is formed by the short hole of the outer hole forming the body cylinder of the first cylinder and the end of the cover, and the end of the cover is formed.
第5頁 1253965 五、發明說明（2) . 胚體。 (C )移出第一沖頭並於成形模併接一延伸模。 ' (d )緊接以一第二沖頭自延伸孔外對成形模成形模穴内 之油壓缸胚體進行第二次鍛壓，而藉以使胚體之筒體沿軸 向向外延展為預定長度，完成油壓缸成形。 本發明之上述目的與優點，不難從下述所選用實施例 之詳細說明與附圖中獲得深入了解。 當然，本發明在某些步驟上，或步驟之安排上容許有 所不同，但所選用之實施例，則於本說明書中，予以詳細 說明，並展示於附圖中。 ’ 【實施方式】 請參閱第1〜4圖，圖中所示者為本發明所選用之實 施例，此僅供說明之用，在專利申請上並不受此種結構之 限制。 ' 如第4圖所示本例之油壓缸粗胚5係以一模具組連續 -· 鍛塑成形，其模具組包括：由第1圖所示之兩模具1 1 、 1 2合模構成之一成形模1 ，於兩模具之合模側對稱形成 有一成形模穴1 3 ，該成形模穴内端為具符合油壓缸軸向 第一端端蓋5 1外形之端蓋成形部1 3 1 ，相鄰端蓋成形4 部1 3 1為一符合油壓缸筒體5 2橫切面之直孔1 3 2 ， 直孔長度並較短於油壓缸筒體軸向長度，於直孔1 3 2外 端為同軸延伸之成形孔1 3 3 ，成形孔之橫切面為符合油 壓缸轴向第二端之端蓋5 3徑向外圍輪廓；及 一第一沖頭2 ，其端部為一較直孔孔徑小之沖桿2 1Page 5 1253965 V. Description of invention (2) . Embryo body. (C) removing the first punch and joining an extension die to the forming die. ' (d) Immediately after the second punch is used for the second forging of the hydraulic cylinder body in the forming cavity of the forming die from the outside of the extending hole, so that the cylindrical body of the embryo body is extended in the axial direction to be predetermined Length, complete the formation of the hydraulic cylinder. The above objects and advantages of the present invention will be readily understood from the following detailed description of the embodiments of the invention. Of course, the present invention may be varied in some steps, or in the arrangement of steps, but the selected embodiments are described in detail in the present specification and are shown in the drawings. [Embodiment] Please refer to Figs. 1 to 4, which are the embodiments selected for the present invention, which are for illustrative purposes only and are not limited by such a structure. As shown in Fig. 4, the hydraulic cylinder 5 of the hydraulic cylinder of this example is continuously formed by a die set, and the die set includes: the two molds 1 1 and 1 2 shown in Fig. 1 are closed. A forming die 1 is formed symmetrically on a clamping side of the two molds with a forming cavity 13, and the inner end of the forming cavity is an end cap forming portion 13 having a shape corresponding to the axial end first end cap 51 of the hydraulic cylinder. 1. Adjacent end cap forming 4 parts 1 3 1 is a straight hole 1 3 2 which conforms to the cross section of the hydraulic cylinder body 52, and the straight hole length is shorter than the axial length of the hydraulic cylinder body, in the straight hole The outer end is a coaxially extending forming hole 1 3 3 , the transverse section of the forming hole is a radial peripheral contour of the end cover 53 conforming to the second end of the axial direction of the hydraulic cylinder; and a first punch 2, the end thereof The part is a punch with a relatively small hole diameter 2 1
1253965 五、發明說明（3) ，沖桿端部2 1 1並為錐狀而另一端鄰接一端蓋成形部2 2 ，端蓋成形部2 2側圍形式設為與成形孔相配合之圓柱 ，而端蓋成形部2 2於沖桿侧具備成形輪廓2 2 1 ，成形 輪廓為油壓缸軸向第二端端蓋5 3外形，據此，沖桿長度 為足夠使其前端深入至成形模直孔1 3 2與成形孔1 3 3 交界之頸部1 3 4相對位置。 一延伸模3具一延伸孔3 1而可做為成形孔之加長段 一第二沖頭4為與沖桿2 1同徑之直長形桿，其端部4 1 並為錐狀。 利用上述模具組進行油壓缸粗胚鍛塑成形製法，包括 模孔 形形 成成 之自 熱2 預頭 經沖 於一 置第 料以 鋁， 之示 化所 軟圖 燒2 預第 將如 對 外 穴5 模蓋 形端 成端 第體 具胚 一缸 成壓 形油 而之 ，體 壓筒 鍛短 次較 一及 第3 行5 進蓋 料端 鋁端 之二 内第 〇。 (c) 移出第一沖頭並於成形模併接延伸模，如第3圖所 示。 (d) 緊接以第二沖頭4自延伸孔外對成形模成形模穴内 之油壓缸胚體5 0進行第二次鍛壓，使第二沖頭端部伸入 成形模穴内至近成形模穴内端處，而藉以使胚體中段之鋁 料受第二沖頭擠壓而依直孔1 3 2孔徑及軸向向外延展為 預定長度，而油壓缸胚體5 0之端蓋5 3亦被延展之胚體1253965 V. Inventive Note (3), the end portion of the punch rod 2 1 1 is tapered, and the other end is adjacent to the end cover forming portion 2 2 , and the side cover forming portion 2 2 is formed in a side cylinder which is matched with the forming hole. The end cap forming portion 2 2 has a forming contour 2 2 1 on the punch side, and the forming contour is an outer shape of the second end cap 53 of the hydraulic cylinder axial direction, whereby the length of the punch is sufficient for the front end to penetrate into the forming die The position of the neck 1 3 4 at the boundary between the straight hole 1 3 2 and the forming hole 1 3 3 . An extension die 3 has an extension hole 3 1 which can be used as an extension of the formed hole. The second punch 4 is a straight elongated rod of the same diameter as the punch 2 1 , and the end portion 4 1 is tapered. The above-mentioned mold set is used for the crude oil forging forming process of the hydraulic cylinder, which comprises forming the die hole shape into the self-heating 2 pre-heading and punching it into a first material to be aluminum, and the demonstration soft-burning 2 is as external The hole 5 is formed at the end of the mold, and the first body has a cylinder and a cylinder of pressed oil. The body is forged shortly and the third row is 5, and the second end of the aluminum end of the cover end is the second. (c) Remove the first punch and join the extension die in the forming die, as shown in Figure 3. (d) a second forging of the hydraulic cylinder body 50 in the forming cavity of the forming die is performed by the second punch 4 from the outside of the extending hole, so that the end of the second punch extends into the forming cavity to the near forming die At the inner end of the hole, the aluminum material in the middle part of the embryo body is pressed by the second punch and extended to a predetermined length according to the diameter and axial direction of the straight hole 133, and the end cover 5 of the oil cylinder body 50 3 also extended embryo body
第7頁 1253965 五、發明說明（4) 中段向外推移，如此即完成油壓缸成形。 其特點為： (1)第一端端蓋、第二端端蓋及筒體為一體式成形，完 全無接缝能避免滲漏油液。 (2 )第一端端蓋可依需求設計一體式成形如圖4所示之 凸耳5 4 ，或如第6圖所示，於第一端端蓋及第二端端蓋 各設一凸耳5 7。 (3 )第5圖所示為本發明油壓缸經後續加工及組配，圖 中設於第二端端蓋5 3之封蓋5 5僅需以短螺絲5 6即能 固定，改善以往需用長螺栓固定的缺點。 (4)本發明可於同一鍛壓設備連續製成油壓缸，可有效 率提昇製程，並且可同時完成筒體之中空需求，而可節省 後段加工及組配時間。Page 7 1253965 V. INSTRUCTIONS (4) The middle section is moved outwards, thus completing the formation of the hydraulic cylinder. Its characteristics are as follows: (1) The first end cap, the second end cap and the cylinder are integrally formed, and the jointless seam can avoid leakage of oil. (2) The first end cover can be integrally formed according to the requirements to form the lug 5 4 as shown in FIG. 4, or as shown in FIG. 6, the first end cover and the second end cover are respectively provided with a convex Ear 5 7. (3) Figure 5 shows the subsequent processing and assembly of the hydraulic cylinder of the present invention. The cover 5 5 provided in the second end cover 5 3 of the figure only needs to be fixed by the short screw 56 to improve the past. The disadvantage of fixing with long bolts. (4) The invention can continuously manufacture the hydraulic cylinder in the same forging equipment, can effectively improve the process, and can simultaneously complete the hollow demand of the cylinder, and can save the processing and assembly time in the latter stage.
第8頁 1253965 圖式簡單說明 第1圖係本發明成形模之平面剖視圖。 第2圖係本發明於成形模鍛壓鋁料形成一油壓缸胚體示意 圖。 第3圖係本發明對成形模内之油壓缸胚體進行第二次鍛壓 示意圖。 第4圖係本發明製程完成之油壓缸粗胚立體示意圖。 第5圖係本發明油壓缸粗胚經後續加工及組配示意圖。 第6圖係本發明製程完成之油壓缸粗胚另一實施例。 弟7圖係習知油壓缸結構立體分解不意圖。 【圖號說明】 ( 習 用 部分） 油 壓 缸 9 筒 體 9 1 端 蓋 9 2 % 9 3 進 出 油 流 道 9 2 1 活 塞 桿 9 4 螺 栓 9 5 ( 本 發 明 部 分） 成 形 模 1 模 具 1 1 、 1 2 成 形 模 穴 1 3 端 蓋 成 形 部 1 3 1 直 孔 1 3 2 成 形 孔 1 3 3 頸 部 1 3 4 第 一 沖 頭 2 沖 桿 2 1 沖 桿 端 部 2 1 1 端 蓋 成 形 部 2 2 成 形 輪 廓 2 2 1 延 伸 模 3 延 伸 孔 3 1 第 二 沖 頭 4 沖 頭 端 部 4 1 油 壓 缸 粗 胚 5 油 壓 缸 胚 體 5 〇Page 8 1253965 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan sectional view showing a molding die of the present invention. Fig. 2 is a schematic view showing the body of a hydraulic cylinder formed by forging aluminum material in a forming die. Fig. 3 is a schematic view showing the second forging of the hydraulic cylinder body in the forming mold according to the present invention. Fig. 4 is a perspective view showing the crude embryo of the hydraulic cylinder completed by the process of the present invention. Fig. 5 is a schematic view showing the subsequent processing and assembly of the crude preform of the hydraulic cylinder of the present invention. Fig. 6 is another embodiment of a crude hydraulic cylinder of the process of the present invention. The brother 7 is a schematic decomposition of the conventional hydraulic cylinder structure. [Description of the figure] (Conventional part) Hydraulic cylinder 9 Cylinder 9 1 End cover 9 2 % 9 3 Inlet and outlet oil passage 9 2 1 Piston rod 9 4 Bolt 9 5 (part of the invention) Forming die 1 Mold 1 1 1 2 Forming cavity 1 3 End cap forming part 1 3 1 Straight hole 1 3 2 Forming hole 1 3 3 Neck 1 3 4 First punch 2 Punch 2 1 Punch end 2 1 1 End cap forming part 2 2 Forming profile 2 2 1 Extension die 3 Extension hole 3 1 Second punch 4 Punch end 4 1 Hydraulic cylinder coarse embryo 5 Hydraulic cylinder body 5 〇
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