JP2806509B2 - Manufacturing method of metal torsion material - Google Patents
Manufacturing method of metal torsion materialInfo
- Publication number
- JP2806509B2 JP2806509B2 JP2167595A JP16759590A JP2806509B2 JP 2806509 B2 JP2806509 B2 JP 2806509B2 JP 2167595 A JP2167595 A JP 2167595A JP 16759590 A JP16759590 A JP 16759590A JP 2806509 B2 JP2806509 B2 JP 2806509B2
- Authority
- JP
- Japan
- Prior art keywords
- work
- mold
- torsion
- section
- fixed mold
- 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 - Lifetime
Links
Landscapes
- Wire Processing (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、自動車やオートバイにおけるねじり部
品、あるいは建材ねじり装飾品等に使用されるアルミニ
ウム等の金属製ねじり材の製造方法に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a torsion member made of metal such as aluminum used for torsion parts in automobiles and motorcycles, or torsion decorations for building materials.
従来の技術及び課題 従来、上記のような金属製ねじり材の製造は、ねじり
押出ダイスの使用による熱間押出法や、プラー回転方式
による熱間押出法、あるいは冷間鍛造ねじり法等により
行われていた。2. Description of the Related Art Conventionally, the production of a metal torsion material as described above is performed by a hot extrusion method using a torsion extrusion die, a hot extrusion method by a puller rotation method, or a cold forging torsion method. I was
しかしながら、ねじり押出ダイスやプラー回転による
熱間押出では、寸法精度の高いねじり材を得ることが難
しく、そのため押出後の該ねじり材に切削等による仕上
げ加工を施す必要があって工程増を招き、生産性が悪い
という欠点があった。しかも、仕上げの際の切削は、一
般にその加工量が多く、ねじれ材によっては例えば5mm
にも及ぶようなこともあり、仕上げ加工に多くの手間を
要していた。However, in hot extrusion using a torsion extrusion die or puller rotation, it is difficult to obtain a torsion material with high dimensional accuracy, and therefore, it is necessary to apply a finishing process such as cutting to the torsion material after extrusion, which leads to an increase in the number of steps. There was a disadvantage that productivity was poor. In addition, the amount of machining for finishing is generally large, for example, 5 mm depending on the torsion material.
And it took a lot of time to finish.
しかも、特にねじり押出ダイスによる方法では、ねじ
り材のリードを設計変更するごとに、そのリードに応じ
たダイスを用意しなければならないという不都合があっ
た。In addition, in the method using the torsion extrusion die, there is a disadvantage that every time the lead of the torsion material is changed in design, a die corresponding to the lead must be prepared.
また、上記の冷間鍛造ねじり法は、高精度ねじり材製
造には適しているが、その一方でバッチ式であるため、
上記とは別の面から生産性に劣り、コスト高も招くとい
う欠点がある。In addition, the above-mentioned cold forging torsion method is suitable for high-precision torsion material production, but on the other hand, because it is a batch type,
Another disadvantage is that the productivity is inferior and the cost is high.
この発明は、上記のような従来の欠点に鑑み、精度の
高いねじり材を低コストにて生産性よく製造することの
できる方法を提供することを目的とする。The present invention has been made in view of the above-described conventional drawbacks, and has as its object to provide a method capable of manufacturing a high-precision torsion material at low cost and with high productivity.
課題を解決するための手段 上記目的において、この発明は、所定異形断面のワー
クと回転方向において係合可能な異形断面のワーク導通
孔を有する固定金型の前方に、同じ異形断面のワーク導
通孔を有しかつ前後方向の軸線回りに回転変位可能な可
動金型が配設された加工機を用い、該可動金型を所定の
回転変位角度に回転変位せしめた状態を保持しつつ、前
記異形断面の金属製ワークを冷間で両金型の導通孔に強
制導通することを特徴とする金属製ねじり材の製造方法
を要旨とする。Means for Solving the Problems In the above object, the present invention provides a work conduction hole having the same irregular cross section in front of a fixed mold having a work conduction hole having an irregular cross section which can be engaged in the rotational direction with a work having a predetermined irregular cross section. And using a processing machine provided with a movable mold capable of rotating and displacing around the axis in the front-rear direction, while maintaining the state in which the movable mold is rotationally displaced to a predetermined rotational displacement angle, A gist of the present invention is a method for manufacturing a metal torsion material, wherein a metal work having a cross section is forcibly conducted to conduction holes of both dies in a cold state.
作用 上記方法では、ワークは、固定金型と可動金型との相
対的な所定回転変位角度の保持、及び両金型への金属製
ワークの強制導通の協働作用によりねじられてねじり材
に成形される。そして、このねじりは冷間で行うから、
寸法精度に優れたねじり材が得られる。また、両金型が
所定の相対回転変位角度を保持した状態でワークにねじ
りが付与されることにより、両金型を通過するワークの
ねじり動作が安定され、高精度リードのねじり材が得ら
れる。In the above method, the work is twisted by the cooperative action of holding the relative rotational displacement angle of the fixed mold and the movable mold relative to each other and forcibly conducting the metal work to both the molds, and forming the torsion material. Molded. And since this twist is done cold,
A torsion material with excellent dimensional accuracy can be obtained. In addition, by twisting the work while the two dies hold a predetermined relative rotational displacement angle, the torsion operation of the work passing through the two dies is stabilized, and a high-precision lead torsion material can be obtained. .
実施例 以下に、この発明の実施例を説明する。Examples Examples of the present invention will be described below.
本発明方法は、第１図に示されるねじり加工機を用い
て行われる。The method of the present invention is carried out using a twisting machine shown in FIG.
同加工機は、一般にマルチベンダーと称される形式の
圧縮曲げの原理を支配的に利用した曲げ加工機による。
この曲げ加工機は、ワークの局部的伸びを小さく抑えて
材料欠陥や表面欠陥の少ない曲げ加工品を製造しうる等
の利点を有し、最近好んで使用される傾向にある。The bending machine is based on a bending machine which mainly uses the principle of compression bending of a type called multi-bender.
This bending machine has advantages such as being able to manufacture a bent product having a small number of material defects and surface defects while suppressing local elongation of a work, and has been tending to be used recently.
即ち、この曲げ加工機は、固定金型（１）と、可動金
型（２）と、ワークフィーダー（３）とを備えている。That is, the bending machine includes a fixed mold (1), a movable mold (2), and a work feeder (3).
固定金型（１）は、ワーク（Ａ）の曲げの際の支点と
なる金型で、その中央にワーク（Ａ）の断面形状（本実
施例では方形）に対応した異形断面のワーク導通孔
（４）が前後方向貫通状態に設けられている。The fixed mold (1) is a mold serving as a fulcrum when the work (A) is bent, and has a work conduction hole having an irregular cross section corresponding to the cross sectional shape (square in this embodiment) of the work (A) at the center thereof. (4) is provided in the front-back direction penetrating state.
また、可動金型（２）は、ワーク（Ａ）の加工の際の
作用点となる金型で、固定金型（１）の前方位置に配置
されている。この金型（２）にも、前記固定金型（１）
と同じくワーク（Ａ）の断面形状に対応した異形断面の
ワーク導通孔（５）が前記方向貫通状に設けられてい
る。そして、この可動金型（２）は、上下及び左右に移
動可能な金型取付けフレーム（図示略）に装着され、か
つジャイロの原理を利用して三次元的に転向及び変位作
動されるものとなされている。Further, the movable mold (2) is a mold serving as an action point when processing the work (A), and is arranged at a position in front of the fixed mold (1). This mold (2) is also provided with the fixed mold (1).
A work conduction hole (5) having a modified cross-section corresponding to the cross-sectional shape of the work (A) is provided in the direction penetrating shape. The movable mold (2) is mounted on a mold mounting frame (not shown) movable up and down and left and right, and is three-dimensionally turned and displaced using the gyro principle. It has been done.
そして、ワークフィーダー（３）は、固定金型（１）
の後方位置に配置された、例えば駆動ローラー装置等に
よるもので、ワーク（Ａ）を所定速度にて固定金型
（１）側から両金型（１）（２）のワーク導通孔（４）
（５）に導通せしめる。And the work feeder (3) is a fixed mold (1)
The work (A) is arranged at a predetermined speed from the side of the fixed mold (1) from the side of the fixed mold (1).
(5).
一方、ねじりに供するワークは、第３図に示されるよ
うな方形筒状の6063系アルミニウム合金製のＯ材、T
1材、H112材等の押出型材である。なお、ワークとして
は、押出型材によるものの他、引抜材等の各種ワークを
使用してもよいし、また、中実材、中空材を問わない。
また、その横断面は金型のワーク導通孔（４）（５）内
面に周方向において係合しうるような円形以外の異形で
あればよい。On the other hand, the work to be twisted is a square cylindrical O-material made of 6063-based aluminum alloy as shown in FIG.
1 material, which is extrusion of H 112 material and the like. In addition, as the workpiece, various workpieces such as a drawn material may be used in addition to the one made of the extruded material, and the workpiece may be a solid material or a hollow material.
Further, the cross section thereof may be any shape other than a circle that can be engaged with the inner surfaces of the work conduction holes (4) and (5) of the mold in the circumferential direction.
本発明方法は、上記マルチベンダーを用いて次のよう
に実施される。The method of the present invention is carried out as follows using the above-mentioned multi-vendor.
まず、可動金型（２）を固定金型（１）と同一軸線上
に配置せしめると共に、該軸線回りでの固定金型（１）
に対する可動金型（２）の回転変位角度を０゜に初期設
定する。そして、フィーダー（３）を作動して、ワーク
（Ａ）を金型（１）（２）の導通孔（４）（５）に導通
する。そして可動金型（２）を前後方向の軸線回りで所
定の設定回転角度となるように回転変位せしめる。そし
て、この回転変位角度を保持しつつ、ワーク（Ａ）を前
方に向けて強制的に押圧移送せしめる。これにより、ワ
ーク（Ａ）に所期するリードのねじりが形成される。First, the movable mold (2) is arranged on the same axis as the fixed mold (1), and the fixed mold (1) around the axis is arranged.
Is initially set to 0 °. Then, the feeder (3) is operated to conduct the work (A) to the conduction holes (4) and (5) of the dies (1) and (2). Then, the movable mold (2) is rotationally displaced so as to have a predetermined set rotation angle around the longitudinal axis. Then, the work (A) is forcibly pressed and transferred forward while maintaining the rotational displacement angle. Thereby, a desired twist of the lead is formed on the work (A).
なお、固定金型（１）に対する可動金型（２）の回転
変位角度は、製造しようとするねじり材のリードに応じ
て決められるが、概していえば0.5〜20゜/cmの範囲にお
いて選択される。これは、0.5゜/cmを下回って小さいと
ワーク（Ａ）にねじりの効果が現れにくくなり、また20
゜/cmを超えて大きくなるとワークに切断等の不具合が
発生することによる。The rotational displacement angle of the movable mold (2) with respect to the fixed mold (1) is determined according to the lead of the torsion material to be manufactured, but is generally selected in the range of 0.5 to 20 ° / cm. You. This is because if it is smaller than 0.5 mm / cm, the effect of twisting on the work (A) is difficult to appear, and
If it exceeds ゜ / cm, problems such as cutting of the work may occur.
以上に、本発明方法の実施例を説明したが、本発明に
用いられる加工機は、上記のようなマルチベンダーと称
される三次元曲げ加工機に限られるものではなく、異形
断面のワーク導通孔を有する固定金型の前方に、同じく
異形断面のワーク導通孔を有しかつ前後方向軸線回りで
の回転変位のみ可能な可動金型が配設されたねじり専用
の加工機が使用されてもよい。Although the embodiment of the method of the present invention has been described above, the working machine used in the present invention is not limited to the three-dimensional bending working machine referred to as a multi-bender as described above. Even if a processing machine dedicated to twisting is used in front of a fixed mold having a hole, a work mold having a work conduction hole having the same irregular cross-section and a movable mold capable of rotating only around the longitudinal axis is disposed. Good.
発明の効果 上述の次第で、この発明の金属製ねじり材の製造方法
は、冷間にてワークにねじり加工を施すものであること
により、従来のような切削による仕上げを行うまでもな
く、精度の高いねじり材を製造することができ、しかも
仕上げ工程の省略によりねじり材の生産性を向上し、ま
た低コストを実現することができる。Effect of the Invention As described above, the method for manufacturing a metal torsion material of the present invention is a method in which a work is torsionally processed in a cold state. In addition, it is possible to manufacture a high-strength torsion material, and improve the productivity of the torsion material by omitting the finishing step, and realize low cost.
加えて、前後方向軸線まわりに所定の回転変位角度相
対的に変位せしめた固定、可動の両金型のワーク導通孔
にワークを強制導通せしめるものであることにより、両
金型を通過するワークのねじれ動作が安定されやすく、
そのため高精度リードのねじり材を得ることができる。In addition, by forcibly conducting the work through the work conduction holes of the fixed and movable molds relatively displaced by a predetermined rotational displacement angle about the longitudinal axis, the work passing through both molds is The twisting operation is easily stabilized,
Therefore, a high-precision lead torsion material can be obtained.
しかも、リードの異なるねじり材の製造は可動金型の
回転変位角度の調整により対応できるから、ねじり押出
ダイスを用いた従来法のように、ねじり材のリードに応
じてその都度対応するダイスの製作を行わなければなら
ないという不都合もない。In addition, since the production of torsion materials with different leads can be handled by adjusting the rotational displacement angle of the movable mold, as in the conventional method using a torsion extrusion die, the production of dies corresponding to the torsion material leads each time There is no inconvenience of having to perform the operation.
そしてまた、本発明方法では、ワークとして、押出型
材の他、引抜材による各種ワークをも使用することがで
き、要求される表面性状・精度等に応じたねじり材の製
造を行うこともできる。In addition, in the method of the present invention, not only an extruded die material but also various kinds of workpieces made of a drawn material can be used as the work, and a torsion material can be manufactured according to the required surface properties and precision.
第１図はこの発明方法を実施するための加工機の作動状
態を示す側面図、第２図は固定金型に対する可動金型の
回転変位状態を示す正面図、第３図はワークの横断面図
である。 （４）……ワーク導通孔、（１）……固定金型、 （５）……ワーク導通孔、（２）……可動金型、 （Ａ）……金属製ワーク。FIG. 1 is a side view showing an operation state of a processing machine for carrying out the method of the present invention, FIG. 2 is a front view showing a rotational displacement state of a movable mold with respect to a fixed mold, and FIG. FIG. (4) Work conduction hole, (1) fixed mold, (5) Work conduction hole, (2) movable mold, (A) metal work.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B21D 11/14──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) B21D 11/14
Claims (1)
係合可能な異形断面のワーク導通孔を有する固定金型の
前方に、同じく異形断面のワーク導通孔を有しかつ前後
方向の軸線回りに回転変位可能な可動金型が配設された
加工機を用い、該可動金型を所定の回転変位角度に回転
変位せしめた状態を保持しつつ、前記異形断面の金属製
ワークを冷間で両金型の導通孔に強制導通することを特
徴とする金属製ねじり材の製造方法。1. A fixed mold having a work conduction hole having a deformed section capable of engaging with a work having a predetermined cross section in the rotational direction is provided in front of a fixed mold having a work conduction hole also having a deformed cross section and around a longitudinal axis. Using a processing machine provided with a movable mold capable of rotational displacement, while maintaining the state in which the movable mold is rotationally displaced to a predetermined rotational displacement angle, the metal work having the irregular cross section is cold-loaded. A method for producing a metal torsion material, wherein forced conduction is made to a conduction hole of a mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2167595A JP2806509B2 (en) | 1990-06-26 | 1990-06-26 | Manufacturing method of metal torsion material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2167595A JP2806509B2 (en) | 1990-06-26 | 1990-06-26 | Manufacturing method of metal torsion material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455024A JPH0455024A (en) | 1992-02-21 |
| JP2806509B2 true JP2806509B2 (en) | 1998-09-30 |
Family
ID=15852679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2167595A Expired - Lifetime JP2806509B2 (en) | 1990-06-26 | 1990-06-26 | Manufacturing method of metal torsion material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2806509B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009160635A (en) * | 2008-01-10 | 2009-07-23 | Tama Tlo Ltd | Apparatus for heavy working and heavy working method |
-
1990
- 1990-06-26 JP JP2167595A patent/JP2806509B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455024A (en) | 1992-02-21 |
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