JP3095917B2 - Extrusion processing method for metal extruded materials with different cross-sectional shapes in the length direction - Google Patents
Extrusion processing method for metal extruded materials with different cross-sectional shapes in the length directionInfo
- Publication number
- JP3095917B2 JP3095917B2 JP04349158A JP34915892A JP3095917B2 JP 3095917 B2 JP3095917 B2 JP 3095917B2 JP 04349158 A JP04349158 A JP 04349158A JP 34915892 A JP34915892 A JP 34915892A JP 3095917 B2 JP3095917 B2 JP 3095917B2
- Authority
- JP
- Japan
- Prior art keywords
- extruded material
- cross
- length direction
- extruded
- different cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B21C23/142—Making profiles
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば、中仕切りを
有する中空材部分と、これを有さない中空材部分とが長
さ方向に連接されているような、長さ方向に横断面形状
が異なるアルミニウム等の金属製の押出材の押出加工方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a cross section in a longitudinal direction in which a hollow portion having a partition and a hollow portion having no partition are connected in the length direction. And a method of extruding a metal extruded material such as aluminum.
【０００２】[0002]
【従来の技術及び課題】押出は、従来一般に、長さ方向
に一定断面の型材を成形するのに用いられる技術とされ
ていた。2. Description of the Related Art Extrusion has heretofore been generally used as a technique used to form a mold having a constant cross section in the longitudinal direction.
【０００３】しかし、最近で、建築、自動車等をはじ
め、様々な分野において、長さ方向にも断面形状が変化
する押出材が求められる傾向にある。However, recently, in various fields such as construction and automobiles, there is a tendency for extruded materials whose sectional shape also changes in the longitudinal direction.
【０００４】例えば、第４図に示される押出材（Ｅ）
は、中仕切り（１）を有する中空材部分（E1）と、これ
を有さない中空部（E2）とが長さ方向に一体に連接され
た構成を有するもので、必要な部位にのみ必要なだけの
強度を持たせるようにして、全体の軽量化を狙ったもの
である。なお、この押出材（Ｅ）において、例えば、全
体幅Ｂは２０ｍｍ、全体高さＨは１０ｍｍ、中仕切り
（１）の肉厚ｔ1 は０．５ｍｍ、その他の肉厚ｔ2 は
１．０ｍｍに設定される。For example, an extruded material (E) shown in FIG.
Has a structure in which a hollow part (E1) having a partition (1) and a hollow part (E2) not having the same are integrally connected in the length direction, and are necessary only at necessary parts. It is designed to have a certain level of strength and to reduce the overall weight. In this extruded material (E), for example, the overall width B is 20 mm, the overall height H is 10 mm, the thickness t 1 of the intermediate partition (1) is 0.5 mm, and the other thicknesses t 2 are 1.0 mm. Is set to
【０００５】この発明は、上記のような要請に答え、長
さ方向に横断面形状が異なる金属製押出材を押出加工す
ることができる方法を提供することを目的とする。An object of the present invention is to provide a method capable of extruding a metal extruded material having a different cross-sectional shape in the length direction in response to the above-mentioned demand.
【０００６】[0006]
【課題を解決するための手段】上記目的において、押出
中、押出速度を高低変化せしめることにより、ダイス成
形隙間の横断面領域内のうちの一部の横断面領域内での
押出材料の流れを、一時的に停止ないしは略停止せしめ
ることを特徴とする、長さ方向に横断面形状が異なる金
属製押出材の押出加工方法を要旨とする。In order to achieve the above object, the flow of the extruded material in a part of the cross-sectional area of the die forming gap is controlled by changing the extrusion speed during extrusion. The gist of the present invention is a method for extruding a metal extruded material having a different transverse cross-sectional shape in the longitudinal direction, which is temporarily or almost stopped.
【０００７】[0007]
【作用】上記方法では、押出速度を高低変化せしめるこ
とで、メタルフローの性質などの理由により、ダイス成
形隙間の横断面領域内のうちの一部の横断面領域内にお
いてこれを押出材料が通過したり、通過しなかったりす
ることがある。In the above method, the extruded material passes through a part of the cross-sectional area of the die forming gap due to the nature of the metal flow or the like by changing the extrusion speed. Or may not pass.
【０００８】このことを利用して、押出速度を高低変化
せしめ、押出中、該一部の横断面領域内での押出材料の
流れを停止ないしは略停止せしめた状態にすると、該一
部の横断面領域内を除くダイス成形隙間の横断面領域内
のみを押出材料が通過し、同横断面形状に対応した横断
面形状の押出材部分が成形される。By taking advantage of this fact, the extruding speed is varied, and during extrusion, the flow of the extruded material in the cross-sectional area of the part is stopped or substantially stopped. The extruded material passes only in the cross-sectional area of the die forming gap except in the plane area, and an extruded material portion having a cross-sectional shape corresponding to the cross-sectional shape is formed.
【０００９】また、この押出状態から押出速度を変化せ
しめて上記一部の横断面領域内での押出材料の流れを停
止させない状態に切り替えると、該一部の横断面領域内
を含むダイス成形隙間の横断面領域内を押出材料が通過
し、該横断面形状に対応した横断面形状の押出材部分が
上記押出材部分に連接して成形される。When the extrusion speed is changed from this extruded state to a state in which the flow of the extruded material in the partial cross-sectional area is not stopped, a die forming gap including the partial cross-sectional area is obtained. The extruded material passes through the cross-sectional area of the extruded material, and an extruded material portion having a cross-sectional shape corresponding to the cross-sectional shape is connected to the extruded material portion and formed.
【００１０】[0010]
【実施例】次に、この発明を、第４図に示されるよう
な、中仕切り（１）を有する中空方形材部分（E1）と、
これを有さない中空方形材部分（E2）とが長さ方向に一
体に連接された構成の、長さ方向に横断面形状が異なる
アルミニウム製押出材（Ｅ）の押出製造に適用した実施
例について説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to a hollow rectangular section (E1) having a partition (1) as shown in FIG.
Example applied to extrusion production of an aluminum extruded material (E) having a configuration in which a hollow rectangular material portion (E2) not having this is integrally connected in the length direction and having a different cross-sectional shape in the length direction. Will be described.
【００１１】なお、本発明は、このような特定形状の押
出材（Ｅ）の製造に限定されるものではなく、長さ方向
に横断面形状が異なるようなものであれば、例えば中空
部と中実部とが繰り返されるような押出材や、立ち上が
り状のリブ等が長さ方向に間隔的に配された押出材な
ど、各種態様の押出材の製造に広く適用されるものであ
ることはいうまでもない。The present invention is not limited to the production of the extruded material (E) having such a specific shape. If the extruded material (E) has a different cross-sectional shape in the longitudinal direction, for example, the hollow material may be used. It is widely applied to the manufacture of various types of extruded materials, such as extruded materials in which solid portions are repeated, and extruded materials in which rising ribs and the like are arranged at intervals in the length direction. Needless to say.
【００１２】本発明実施に用いる押出加工装置を示す第
１図ないし第３図において、（３）はダイス、（６）は
コンテナ、（７）はダミー、（８）はステムである。In FIGS. 1 to 3 showing an extrusion processing apparatus used for carrying out the present invention, (3) is a die, (6) is a container, (7) is a dummy, and (8) is a stem.
【００１３】ダイス（３）は、ポートホールダイスによ
るもので、（10）は雌型、（11）は雄型である。The die (3) is a porthole die, (10) is a female type, and (11) is a male type.
【００１４】雌型（10）は、押出材（Ｅ）の外周形状を
定める方形状の成形孔（13）を有し、その後部には、雄
型（11）の通過によって分断された押出し材料同士を溶
着せしめる第１溶着室用凹部（14）が連通連設されたも
のとなされている。The female mold (10) has a rectangular forming hole (13) that defines the outer peripheral shape of the extruded material (E), and the extruded material divided by the passage of the male mold (11) is provided at the rear part. A first welding chamber recessed portion (14) for welding the first and second welding chambers is provided so as to communicate with each other.
【００１５】他方、雄型（11）において、（16）は中子
で、該中子（16）は、複数個のブリッジ（17）…にて支
持されると共に、先端部が前方に突出され、この突出部
が成形用凸部（18）とされている。そして、この成形凸
部（18）の先端外周部に押出材（Ｅ）の内周形状を定め
る方形状のベアリング部（18a ）が形成され、雌雄組合
わせ状態において、このベアリング部（18a ）と上記雌
型成形孔（13）との間に第１成形隙間（20）が形成され
る。On the other hand, in the male mold (11), (16) is a core, and the core (16) is supported by a plurality of bridges (17). The protruding portion serves as a forming protruding portion (18). A rectangular bearing (18a) for defining the inner peripheral shape of the extruded material (E) is formed on the outer periphery of the tip of the molded projection (18). A first molding gap (20) is formed between the female molding hole (13).
【００１６】また、中子（16）の成形凸部（18）の先端
面の幅方向中央部には、第３図に示されるように、上下
方向に延びるスリット状の第２成形隙間（21）が形成さ
れると共に、該第２成形隙間（21）の後部に、上下に開
口する奥拡がり状の第２溶着室（22）が連通連設されて
いる。As shown in FIG. 3, a slit-shaped second molding gap (21) extending in the vertical direction is formed at the widthwise center of the tip end surface of the molding projection (18) of the core (16). ) Is formed, and a rearwardly extending second welding chamber (22), which opens vertically, is provided at the rear of the second molding gap (21).
【００１７】第４図に示される押出材（Ｅ）は、上記押
出加工装置を用いて次のようにして押出製造される。The extruded material (E) shown in FIG. 4 is extruded and manufactured using the above-mentioned extruding apparatus as follows.
【００１８】即ち、コンテナ（６）にアルミニウム製ビ
レット（Ｂ）を装入してステム（８）を前進駆動せしめ
て、所定の比較的低い押出速度にて押出を行う。この押
出状態では、ビレット金属（Ｂ）は、ダイス（３）内に
おいて、ブリッジ（17）…間のポート孔（28）…を分断
状態となって通っていき、そして、該ポート孔（28）…
を通過した後、第１溶着室（14）内で互いに溶着され、
雌型成形孔（13）と成形凸部（18）との間の第１成形隙
間（20）を通じて方形中空状となってダイス（３）の前
方に押出されていく。また、同時に、ポート孔（28）…
内のビレット金属（Ｂ）の一部は、中子（16）先端側の
第２溶着室（22）内にその上下の開口を通じて流入さ
れ、そこで互いに溶着して第２成形隙間（21）を通じ
て、同じくダイス（３）の前方に押出され、その上下両
縁部が上記第１成形隙間（20）を通じて押出される方形
筒状部の上下の壁の幅方向中央内面に溶着される。その
結果、ダイス（３）から、中空部内に中仕切り（１）を
有する押出材部分（E1）が押出成形される。That is, the billet (B) made of aluminum is charged into the container (6), the stem (8) is driven forward, and extrusion is performed at a predetermined relatively low extrusion speed. In this extruded state, the billet metal (B) passes through the port holes (28) between the bridges (17) in the die (3) in a divided state, and then passes through the port holes (28). …
Are welded to each other in the first welding chamber (14),
Through the first molding gap (20) between the female molding hole (13) and the molding projection (18), it becomes a rectangular hollow and is extruded forward of the die (3). At the same time, the port hole (28) ...
A part of the billet metal (B) in the inside flows into the second welding chamber (22) at the tip end side of the core (16) through the upper and lower openings thereof, and is welded to each other through the second forming gap (21). The upper and lower edges of the die are also welded to the widthwise central inner surfaces of the upper and lower walls of the rectangular cylindrical portion extruded through the first molding gap (20). As a result, an extruded material portion (E1) having a partition (1) in the hollow portion is extruded from the die (3).
【００１９】そして、所定の時点で、ステム（８）によ
る押出力を急激に増大することによって押出速度を上記
押出速度よりも高い押出速度に急激に上昇せしめ、その
高い押出速度に維持する。すると、押出速度が低かった
ときには中子（16）先端側の第２溶着室（22）内に流入
していたビレット金属（Ｂ）が、第１成形隙間（20）に
向かって流通していくようになり、第２溶着室（22）へ
のビレット金属（Ｂ）の流れが停止ないしは略停止され
た状態となり、第２成形隙間（21）を通じたビレット金
属（Ｂ）の流れが停止ないしは略停止される。その結
果、第１成形隙間（20）のみをビレット金属（Ｂ）が通
過するようになり、中仕切りのない方形中空の押出材部
分（E2）が上記中仕切り（１）を有する押出材部分（E
1）の後部に連接されて一体的に押出される。At a predetermined point in time, the pushing force by the stem (8) is suddenly increased, thereby rapidly increasing the extrusion speed to an extrusion speed higher than the above-mentioned extrusion speed, and maintaining the high extrusion speed. Then, when the extrusion speed is low, the billet metal (B) flowing into the second welding chamber (22) at the tip side of the core (16) flows toward the first forming gap (20). As a result, the flow of the billet metal (B) to the second welding chamber (22) is stopped or substantially stopped, and the flow of the billet metal (B) through the second molding gap (21) is stopped or substantially stopped. Stopped. As a result, the billet metal (B) passes only through the first molding gap (20), and the rectangular hollow extruded material portion (E2) having no partition has the extruded material portion (1) having the above-mentioned partition (1). E
1) Connected to the rear part and extruded integrally.
【００２０】このようにして、中仕切り（１）を有する
中空方形材部分（E1）と、これを有さない中空方形材部
分（E2）とが長さ方向に一体に連接された構成の、長さ
方向に横断面形状が異なるアルミニウム製押出材（Ｅ）
が押出成形される。In this way, the hollow rectangular section (E1) having the partition (1) and the hollow rectangular section (E2) having no partition (1) are integrally connected in the longitudinal direction. Aluminum extruded material with different cross-sectional shape in the length direction (E)
Is extruded.
【００２１】なお、例えば、Ａ６０６３合金ビレットを
用い、所定の押出温度のもとで、第４図に示されるよう
な押出材（Ｅ）の押出を行う場合、押出速度（押出材
（Ｅ）の前方移行速度）を１０ｍ／ｍｉｎとすることに
より、中仕切り（１）を有する押出材部分（E1）が押出
され、この押出速度を１００ｍ／ｍｉｎに急激に上昇変
化せしめることにより、中仕切り（１）のない押出材部
分（E2）が、中仕切り（１）のある押出材部分（E1）の
後部に一体に連接されて押出されるようになる。なお、
例えば上記のような押出材（Ｅ）の場合、押出速度を例
えば５０ｍ／ｍｉｎ以上の差をもって高低変化させるこ
とにより、中仕切り（１）を断続的に形成していくこと
ができる。For example, when extruding an extruded material (E) as shown in FIG. 4 at a predetermined extrusion temperature using an A6063 alloy billet, the extrusion speed (extruded material (E)) The extruded material portion (E1) having the middle partition (1) is extruded by setting the forward transition speed) to 10 m / min, and the extrusion speed is rapidly increased to 100 m / min to change the middle partition (1). ), The extruded material portion (E2) without the partition (1) is integrally connected to the rear portion of the extruded material portion (E1) having the partition (1) so as to be extruded. In addition,
For example, in the case of the extruded material (E) as described above, the intermediate partition (1) can be formed intermittently by changing the extrusion speed with a difference of, for example, 50 m / min or more.
【００２２】なお、第１成形隙間（20）と第２成形隙間
（21）とを合わせた隙間の横断面領域が、本発明におけ
るダイス成形隙間の横断面領域を構成し、第２成形隙間
（21）の横断面領域が本発明における一部の横断面領域
を構成していることはいうまでもない。The cross-sectional area of the gap formed by combining the first molding gap (20) and the second molding gap (21) constitutes the cross-sectional area of the die molding gap in the present invention. It goes without saying that the cross-sectional area of 21) constitutes a part of the cross-sectional area in the present invention.
【００２３】[0023]
【発明の効果】上述の次第で、本発明の、長さ方向に横
断面形状が異なる金属製押出材の押出加工方法は、押出
中、押出速度を高低変化せしめることにより、ダイス成
形隙間の横断面領域のうちの一部の横断面領域内での押
出材料の流れを、一時的に停止ないしは略停止せしめる
ものであるから、該一部の横断面領域内を除くダイス成
形隙間の横断面形状に対応した横断面形状の押出材部分
と、該一部の横断面領域内を含むダイス成形隙間の横断
面形状に対応した横断面形状の押出材部分とが長さ方向
に一体に連接された、長さ方向に横断面形状が異なる金
属製押出材を押出加工することができる。As described above, according to the present invention, the method for extruding a metal extruded material having a different cross-sectional shape in the longitudinal direction according to the present invention can be achieved by changing the extrusion speed during the extrusion so as to cross the die forming gap. Since the flow of the extruded material in a part of the cross-sectional area of the surface area is temporarily stopped or substantially stopped, the cross-sectional shape of the die forming gap excluding the part of the cross-sectional area is excluded. And an extruded material portion having a cross-sectional shape corresponding to the cross-sectional shape corresponding to the cross-sectional shape of the die forming gap including the part of the cross-sectional area is integrally connected in the length direction. In addition, it is possible to extrude a metal extruded material having a different cross-sectional shape in the length direction.
【図１】押出加工装置の断面図である。FIG. 1 is a sectional view of an extrusion processing apparatus.
【図２】ダイスの後端面図である。FIG. 2 is a rear end view of a die.
【図３】ダイス成形隙間部分を示す斜視図である。FIG. 3 is a perspective view showing a die forming gap portion.
【図４】長さ方向に横断面形状が異なる押出材の一例を
示す斜視図である。FIG. 4 is a perspective view showing an example of an extruded material having a different cross-sectional shape in a length direction.
３…ダイス ２０…第１成形隙間 ２１…第２成形隙間（一部の横断面領域） Ｂ…ビレット金属（押出材料） Ｅ…押出材 3: Die 20: First forming gap 21: Second forming gap (partial cross-sectional area) B: Billet metal (extruded material) E: Extruded material
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 正和 埼玉県和光市中央１丁目４番１号 株式 会社本田技術研究所内 (72)発明者 杉尾 栄治 大阪府堺市海山町６丁224番地 昭和ア ルミニウム株式会社内 (72)発明者 北野 光宏 大阪府堺市海山町６丁224番地 昭和ア ルミニウム株式会社内 (56)参考文献 特開 平４−305312（ＪＰ，Ａ) 特開 昭62−279019（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B21C 25/08 B21C 23/08 B21C 25/02 - 25/04 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masakazu Sato 1-4-1 Chuo, Wako-shi, Saitama Pref. Honda Research Institute Co., Ltd. (72) Eiji Sugio Inventor 6224 224 Kaiyamacho, Sakai-shi, Osaka Showa Inside Luminium Co., Ltd. (72) Mitsuhiro Kitano Inventor Mitsuhiro Kitano 6,224 Kaiyama-cho, Sakai City, Osaka Prefecture Showa Aluminum Co., Ltd. (56) References JP-A-4-305312 (JP, A) JP-A-62-279019 ( JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) B21C 25/08 B21C 23/08 B21C 25/02-25/04
Claims (1)
とにより、ダイス成形隙間の横断面領域内のうちの一部
の横断面領域内での押出材料の流れを、一時的に停止な
いしは略停止せしめることを特徴とする、長さ方向に横
断面形状が異なる金属製押出材の押出加工方法。1. Extruding speed is varied during extrusion to temporarily or almost stop the flow of extruded material in a part of the cross-sectional area of the die forming gap. A method for extruding a metal extruded material having a different cross-sectional shape in a length direction, wherein the extruded material is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04349158A JP3095917B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method for metal extruded materials with different cross-sectional shapes in the length direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04349158A JP3095917B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method for metal extruded materials with different cross-sectional shapes in the length direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06198327A JPH06198327A (en) | 1994-07-19 |
| JP3095917B2 true JP3095917B2 (en) | 2000-10-10 |
Family
ID=18401868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04349158A Expired - Fee Related JP3095917B2 (en) | 1992-12-28 | 1992-12-28 | Extrusion processing method for metal extruded materials with different cross-sectional shapes in the length direction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3095917B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100364043B1 (en) * | 2000-06-10 | 2002-12-11 | 진인태 | A manufacturing device and method of the curved metal tube and rod with a arbitrary section |
| JP4386321B2 (en) * | 2001-01-31 | 2009-12-16 | 本田技研工業株式会社 | Method for extruding tube material having irregular cross-section and die for extruding tube material |
| CN105945082A (en) * | 2016-06-01 | 2016-09-21 | 东莞市文轩五金制品有限公司 | Aluminum extrusion die and preparation process thereof |
| CN106001153A (en) * | 2016-06-01 | 2016-10-12 | 东莞市文轩五金制品有限公司 | Aluminum extrusion die structure and production method thereof |
-
1992
- 1992-12-28 JP JP04349158A patent/JP3095917B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06198327A (en) | 1994-07-19 |
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