JP2799106B2 - Material drawing, expansion molding method and equipment - Google Patents
Material drawing, expansion molding method and equipmentInfo
- Publication number
- JP2799106B2 JP2799106B2 JP17747992A JP17747992A JP2799106B2 JP 2799106 B2 JP2799106 B2 JP 2799106B2 JP 17747992 A JP17747992 A JP 17747992A JP 17747992 A JP17747992 A JP 17747992A JP 2799106 B2 JP2799106 B2 JP 2799106B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- vibration
- center line
- expanding
- speed
- Prior art date
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- Expired - Lifetime
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は筒状、棒状等の材料、主
としてパイプに、高速微振動と回転を付与した金型を加
圧接触して、材料の端部から設定径に絞り成形加工（大
径→小径加工）または拡張成形加工（小径→大径加工）
する方法及び装置に係り、材料と金型との高速微振動及
び加圧接触による材料への莫大回数の高速反復打撃と回
転による該打撃の不偏向操作によって、材料に微細な打
撃変形（成形）の巨大数集合の成果として、目的形状の
絞りまたは拡張成形加工を実現するようにした、材料の
絞り、拡張成形加工法及び装置を提供するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a process in which a mold having high-speed micro-vibration and rotation is brought into press contact with a cylindrical or rod-shaped material, mainly a pipe, and drawn from a material end to a set diameter. (Large diameter → small diameter processing) or expansion molding processing (small diameter → large diameter processing)
The method and apparatus according to the present invention, wherein the material is subjected to minute impact deformation (molding) by high-speed micro-vibration between the material and the mold and a large number of high-speed repetitive impacts on the material due to pressure contact and non-deflection of the impact by rotation. The present invention provides a method and an apparatus for drawing, expanding and forming a material, which realizes drawing or expansion forming of a target shape as a result of a huge number of sets.
【０００２】[0002]
【従来技術の課題】従来、パイプ等の材料の絞りまたは
拡張加工手段としては、プレス加工とハンマー加工があ
り、このうちプレス加工の場合は、一度に加工すること
による材料の座屈を避けるために一般に数工程の作業工
程を必要とする結果、作業工程の多さが著しい効率の低
下を引き起こしており、また、材料の肉厚が薄いもの
や、絞りや拡張の幅の大きな加工の場合には座屈を避け
るため効率の低下を覚悟の上で、より多くの工程をつぎ
込むか、さもなければ加工を諦める他なかった。2. Description of the Related Art Conventionally, as a means for drawing or expanding a material such as a pipe, there are press working and hammer working. In the case of press working, in order to avoid buckling of the material due to working at once. In general, several work steps are required, resulting in a significant decrease in efficiency due to the large number of work steps, and in the case of thin materials and large widths of drawing and expansion. In order to avoid buckling, he was forced to put in more steps or otherwise abandon processing, with a view to reducing efficiency.
【０００３】一方、ハンマー加工の場合は、球状、筒状
等のハンマー数個を同時に打ちつけて加工を行うが、そ
れに使用する金型及びハンマーの製作に高度な技術と多
大をコストを必要とし、また強大な力で打撃する作業の
性質上、金型の機械的な消耗が激しく、寸法的な狂いが
生じるため、その加工製品の精度の維持が困難であっ
た。[0003] On the other hand, in the case of hammering, several hammers, such as spherical and cylindrical, are hit at the same time to perform the processing. In addition, due to the nature of the operation of hitting with a large force, the mold is severely mechanically worn and the dimensions are out of order, so that it is difficult to maintain the accuracy of the processed product.
【０００４】本発明は上記従来の課題を解決すべくなさ
れたものである。即ち、本発明は、筒状、棒状等の材料
と加工目的形状の型部を有する金型を同一中心線上に各
中心線を一致させて設置し、該材料、金型の一方または
双方に高速微振動と回転を与えながら、材料と金型を中
心線方向に加圧接触して、材料を目的形状に絞りまたは
拡張成形加工するようにした、材料の絞り、拡張成形加
工法によって、上記課題を解決したものである。The present invention has been made to solve the above-mentioned conventional problems. That is, according to the present invention, a mold having a mold having a target shape such as a cylindrical or rod-shaped material and a mold having a mold portion having a target shape to be machined is installed on the same center line so that the respective center lines coincide with each other. The above-mentioned problem is caused by the material drawing and expansion molding method in which the material and the mold are pressed against each other in the center line direction while applying microvibration and rotation, and the material is drawn or expanded into a target shape. Is solved.
【０００５】また、本発明は、架台上に、材料を定位置
に固定支持するクランプ、クランプシリンダー等の固定
手段と、材料の加工目的形状に見合った形状の型部を有
する金型及び該金型に高速微振動を与えるサーボシリン
ダー等の振動手段、金型に回転を与えるモーター、ギヤ
等の回転手段を備えた金型台と、該金型台を材料の固定
手段に向って加圧移動する加圧シリンダー等の加圧手段
をそれぞれ設置し、また、固定手段に固定支持した材料
の中心線と金型の中心線を同一中心線上に位置せしめて
成る、材料の絞り、拡張成形加工装置によって、上記課
題を解決したものである。Further, the present invention provides a mold having a fixing means such as a clamp or a clamp cylinder for fixing and supporting a material in a fixed position on a gantry, a mold having a shape corresponding to a target shape of the material to be processed, and the mold. A mold table provided with a vibration means such as a servo cylinder for applying high-speed fine vibration to the mold, a motor for rotating the mold, and a rotation means such as a gear; and pressurized movement of the mold table toward the material fixing means. A pressurizing means, such as a pressurizing cylinder, and a material drawing and expansion molding apparatus, wherein the center line of the material fixedly supported by the fixing means and the center line of the mold are located on the same center line. Thus, the above problem has been solved.
【０００６】以下、本発明の実施例方法につき説明する
と、その１は、材料と金型のうち、何れに高速微振動及
び回転を与え、また何れを移動して相互を加圧接触する
かは任意であるが、例えば、材料の方は定位置に設置
し、金型の方に高速微振動と回転を与えながら、該金型
を材料に加圧接触し、また、金型中心を通して潤滑用流
体を材料内部及び加圧接触部に圧力送給しつつ、材料の
絞りまたは拡張成形加工を行うようにした、請求項１の
材料の絞り、拡張成形加工法である。The method of the embodiment of the present invention will be described below. First, which of a material and a mold is subjected to high-speed micro-vibration and rotation, and which is moved and brought into pressure contact with each other is determined. Optionally, for example, the material is placed in a fixed position, the mold is pressed against the material while applying high-speed micro-vibration and rotation to the mold, and lubrication is performed through the center of the mold. 2. The method of drawing and expanding a material according to claim 1, wherein the material is drawn or expanded and formed while a fluid is pressure-fed to the inside of the material and the pressurized contact portion.
【０００７】その２は、後記図示実施例装置で具現され
る如く、材料を定位置に設置し、金型を材料の左右に備
えて高速微振動を与え、両金型を互に逆方向回転を与え
ながら、金型を材料の左右両側から挟むように加工接触
して、材料の両端から同時に絞りまたは拡張成形加工す
るようにした、請求項１の材料の絞り、拡張成形法であ
る。In the second method, as embodied in the apparatus shown in the embodiment shown below, the material is set in a fixed position, the molds are provided on the left and right sides of the material, high-speed micro-vibration is applied, and both molds are rotated in opposite directions. 2. The method of drawing and expanding a material according to claim 1, wherein the mold is brought into processing contact with the material so as to be sandwiched from both left and right sides of the material, and drawn or expanded at the same time from both ends of the material.
【０００８】次に、本発明の実施例装置を図面につき説
明すると、架台上１に、材料２を定位置に固定支持する
クランプ３ａ、クランプシリンダー３ｂ等の固定手段３
と、材料２の加工目的形状に見合った形状の型部４ａを
有する金型４及び該金型４に高速微振動を与えるサーボ
シリンダー５ａ等の振動手段５、金型４に回転を与える
モーター６ａ、ギヤ６ｂ等の回転手段６等を備えた金型
台７と、該金型台７を材料２の固定手段３に向って加圧
移動する加圧シリンダー８ａ等の加圧手段８をそれぞれ
設置し、また、固定手段３に固定支持した材料２の中心
線と金型の中心線を同一中心線上Ｌに位置せしめて、材
料の絞り、拡張成形加工装置を構成したものであり、Next, an embodiment of the present invention will be described with reference to the drawings. A fixing means 3 such as a clamp 3a and a clamp cylinder 3b for fixing and supporting a material 2 at a fixed position on a gantry 1.
And a mold 4 having a mold portion 4a having a shape corresponding to the processing target shape of the material 2, vibration means 5 such as a servo cylinder 5a for applying high-speed fine vibration to the mold 4, and a motor 6a for rotating the mold 4 And a pressurizing means 8 such as a pressurizing cylinder 8a for pressurizing and moving the mold stand 7 toward the fixing means 3 for the material 2. In addition, the center line of the material 2 fixedly supported by the fixing means 3 and the center line of the mold are positioned on the same center line L to constitute a material drawing and expansion molding apparatus.
【０００９】図示例では、架台上１に、材料の固定手段
３の左右に金型台７、７及び加圧手段８、８を備えて、
材料２を左右から挟圧するように設けると共に、回転手
段６、６をもって両金型４、４を互に逆方向回転するよ
うに設けて、材料２を左右両端から同時に成形加工する
ようにした、材料の絞り、拡張成形加工装置を構成した
ものである。In the illustrated example, mold stands 7 and 7 and pressurizing means 8 and 8 are provided on the gantry 1 on both sides of the material fixing means 3.
The material 2 was provided so as to be pressed from the left and right, and the two dies 4, 4 were provided so as to rotate in opposite directions by rotating means 6, 6, so that the material 2 was simultaneously formed from both left and right ends. It constitutes an apparatus for drawing and expanding and forming materials.
【００１０】上記の構成において、金型４の型部４ａ
は、材料２の加工目的形状に見合った形状に設けるもの
であり、例えば、図２の如く、大径のパイプを小径に成
形する絞り成形加工の型部４ａは、その内径ｄ1 を材料
２の加工目的外径Ｄ1 よりも僅かに大（金型４の高速微
振動の振幅に合わせて）に設定し、In the above configuration, the mold portion 4a of the mold 4
Are those provided in a shape commensurate with the intended processing purpose the shape of the material 2, for example, as shown in FIG. 2, the mold portion 4a of the aperture forming process for molding a large-diameter pipe diameter, the material 2 and the inner diameter d 1 than the intended processing purpose outside diameter D 1 is set to slightly larger (in accordance with the amplitude of the high-speed micro-vibration of the mold 4),
【００１１】また、例えば、図３の如く小径のパイプを
大径に成形する拡張成形加工の型部４ａは、その外径ｄ
2 を材料２の加工目的外径Ｄ2 よりも僅かに小に設定す
る。Further, for example, as shown in FIG. 3, a mold portion 4a of an expansion molding process for molding a small-diameter pipe into a large-diameter pipe has an outer diameter d.
2 than the intended processing purpose outer diameter D 2 of the material 2 is set to slightly smaller.
【００１２】更に、金型４の中心に潤滑用流体（例、
油）を通す孔９を貫通し、加工時にスイベルジョイント
１０を通して圧力流体を送給して、金型４と材料２の不
要な摩擦、かじりを潤滑すると共に、材料２がパイプの
場合は材料２内に流体を充填し内圧を付与して、薄肉な
材料等の変形、座屈を防止するように設けたものであ
る。Further, a lubricating fluid (eg,
Oil), and pressurized fluid is fed through a swivel joint 10 during processing to lubricate unnecessary friction and galling between the mold 4 and the material 2 and, when the material 2 is a pipe, the material 2 It is provided so as to prevent deformation and buckling of a thin material or the like by filling a fluid therein and applying an internal pressure.
【００１３】[0013]
【作用】金型台７に絞りまたは拡張成形加工の何れかの
金型４を取付け、クランプ３ａ、クランプシリンダー３
ｂ等の固定手段３をもって材料２を定位置に取付け、金
型４と材料２を同一中心線Ｌ上に位置せしめ、サーボシ
リンダー５ａ等の振動手段５で金型４に高速微振動を付
与すると同時に、モーター６ａ、ギヤ６ｂ等の回転手段
６で金型４を回転するが、この時図１例では左右の金型
４、４を互に逆方向回転する。次で、加圧シリンダー８
ａの加圧手段８で金型台７、７を左右から材料２を挟圧
するように前進して、材料２に金型４、４を加圧接触せ
しめ、上記の材料２に対する金型４の高速微振動、回転
及び加圧接触によって、材料２を目的形状に絞り（図示
例）または拡張成形加工するものである。[Effect] A die 4 of either drawing or expansion molding is attached to a die stand 7, and a clamp 3a and a clamp cylinder 3 are attached.
When the material 2 is fixed at a fixed position by the fixing means 3 such as b, the mold 4 and the material 2 are positioned on the same center line L, and high-speed fine vibration is applied to the mold 4 by the vibration means 5 such as the servo cylinder 5a. At the same time, the mold 4 is rotated by the rotating means 6 such as the motor 6a and the gear 6b. At this time, in the example of FIG. 1, the left and right molds 4 are rotated in opposite directions. Next, pressurizing cylinder 8
The metal molds 7, 7 are advanced from right and left by the pressing means 8 so as to pinch the material 2, and the metal molds 4, 4 are brought into pressure contact with the material 2, and the metal 4 is pressed against the material 2. The material 2 is drawn (illustrated in the drawing) or expanded and formed into a target shape by high-speed micro-vibration, rotation and pressure contact.
【００１４】[0014]
【効果】上記のように、本発明は筒状、棒状等の材料と
加工目的形状の型部を有する金型を同一中心線上に各中
心線を一致させて設置し、該材料、金型の一方または双
方に高速微振動と回転を与えながら、材料と金型を中心
線方向に加圧接触するようにしたので、金型による材料
への莫大回数の高速反復打撃と回転による該打撃の不偏
向操作が行われ、それによる材料の微細な打撃変形（成
形）の巨大数集合の成果として、極めて高能率、高精度
な絞りまたは拡張成形加工をなし得る秀れた特徴があ
る。As described above, according to the present invention, a cylindrical or rod-shaped material and a mold having a mold part having a processing target shape are installed on the same center line with the respective center lines coincident with each other. The material and the mold are brought into pressure contact with each other in the direction of the center line while applying high-speed micro-vibration and rotation to one or both of them. The deflection operation is performed, and as a result of the huge number of minute impact deformation (forming) of the material, there is an excellent feature that extremely high efficiency and high precision drawing or expansion forming can be performed.
【００１５】而して、上記本発明の特徴は、従来の、主
として強大な圧力、打撃力のみをもって強引に材料に変
形（成形）を加える方法、手段では良くなし得ない処で
あり、また、本発明はこの特徴によって、材料の厚、
薄、硬、軟などの性質をあまり考慮する必要なしに成形
加工を行うことが可能となり、よって、変形、座屈など
を生じ易い薄肉や材料や、硬い、脆い等の特殊な材料の
成形加工も容易に行い得る。[0015] The feature of the present invention is that the method and means for forcibly deforming (forming) the material mainly with only a large pressure and impact force cannot be achieved well. The present invention allows for the thickness of the material,
It is possible to carry out molding without having to consider the properties of thin, hard, soft, etc., and therefore, molding of thin materials and materials that are prone to deformation, buckling, etc., and special materials such as hard, brittle, etc. Can also be easily performed.
【００１６】また、材料の左右両側から金型を加圧接触
して成形加工を行う場合に、金型を互に逆方向回転する
ようにしたので、固定手段による材料の固定支持力を殊
んど必要とせずに済むと共に、材料の両端から同時に成
形加工をなし得る利点がある。Further, when the mold is pressed from both right and left sides of the material to perform molding, the molds are rotated in opposite directions to each other. There is an advantage that it is not necessary and the molding process can be performed simultaneously from both ends of the material.
【００１７】更に、金型に潤滑流体用の孔をあけ、成形
加工時に圧力流体を送給するようにしたので、加工部分
の不要な摩擦かじりを潤滑すると共に、材料が筒状の場
合は材料内部に流体による内圧を付与して、特に薄肉な
材料などの変形、座屈等を防止し得る。Further, since a hole for a lubricating fluid is formed in the mold to supply a pressurized fluid at the time of molding, unnecessary frictional galling of the machined portion is lubricated. By applying an internal pressure by a fluid to the inside, deformation, buckling, and the like of a particularly thin material can be prevented.
【図１】固定手段の左右に金型台を設置した本発明実施
例装置の構成概略を示す図。FIG. 1 is a view schematically showing the configuration of an apparatus according to an embodiment of the present invention in which mold stands are installed on the right and left sides of a fixing means.
【図２】（イ）は絞り成形加工の場合の、金型と材料の
配置説明図、（ロ）は材料の成形加工前の図、（ハ）は
材料の成形加工後の図。FIGS. 2A and 2B are explanatory diagrams of the arrangement of a mold and a material in the case of drawing forming, FIG. 2B is a diagram before the forming of the material, and FIG. 2C is a diagram after the forming of the material.
【図３】（イ）は拡張成形加工の場合の、金型と材料の
配置説明図、（ロ）は材料の成形加工前の図、（ハ）は
材料の成形加工後の図。FIGS. 3A and 3B are explanatory diagrams of the arrangement of a mold and a material in the case of expansion molding, FIG. 3B is a diagram before the material is formed, and FIG. 3C is a diagram after the material is formed.
１ 架台 ２ 材料 ３ 固定手段 ３ａ クランプ ３ｂ クランプシリンダー ４ 金型 ４ａ 型部 ５ 振動手段 ５ａ サーボシリンダー ６ 回転手段 ６ａ モーター ６ｂ ギヤ ７ 金型台 ８ 加圧手段 ８ａ 加圧シリンダー ９ 潤滑流体用の孔 １０ スイベルジョイント Ｌ 中心線 Ｄ1 材料の絞り成形加工の目的外径 ｄ1 絞り成形加工の型部内径 Ｄ2 材料の拡張成形加工の目的内径 ｄ2 拡張成形加工の型部外径DESCRIPTION OF SYMBOLS 1 Stand 2 Material 3 Fixing means 3a Clamp 3b Clamp cylinder 4 Mold 4a Mold part 5 Vibration means 5a Servo cylinder 6 Rotating means 6a Motor 6b Gear 7 Mold stand 8 Pressurizing means 8a Pressurizing cylinder 9 Lubricating fluid hole 10 Swivel joint L Center line D 1 Target outer diameter of draw forming of material d 1 Inner diameter of die for draw forming D 2 Target inner diameter of expansion forming of material d 2 Die outer diameter of expansion forming
Claims (7)
を有する金型を同一中心線上に各中心線を一致させて設
置し、該材料、金型の一方または双方に高速微振動と回
転を与えながら、材料と金型を中心線方向に加圧接触し
て、材料を目的形状に絞りまたは拡張成形加工するよう
にした、材料の絞り、拡張成形加工法。1. A mold having a cylindrical or rod-shaped material and a mold part having a target shape to be machined is installed on the same center line with the respective center lines coincident with each other, and a high-speed fine is applied to one or both of the material and the mold. A material drawing and expansion molding method in which a material and a mold are brought into pressure contact with each other in the center line direction while applying vibration and rotation to draw or expand the material into a target shape.
速微振動と回転を与えながら、該金型を材料に加圧接触
し、また、金型中心を通して潤滑用流体を材料内部及び
加圧接触部に圧力送給しつつ、材料の絞りまたは拡張成
形加工を行うようにした、請求項１の材料の絞り、拡張
成形加工法。2. The material is placed in a fixed position, and the mold is pressed against the material while applying high-speed micro-vibration and rotation, and a lubricating fluid is passed through the center of the mold. 2. The method for drawing and expanding a material according to claim 1, wherein the drawing or expansion forming of the material is performed while the pressure is fed to the inside of the material and the pressure contact portion.
に備えて高速微振動を与え、両金型を互に逆方向回転を
与えながら、金型を材料の左右両側から挟むように加工
接触して、材料の両端から同時に絞りまたは拡張成形加
工するようにした、請求項１の材料の絞り、拡張成形
法。3. A material is set in a fixed position, and a mold is provided on the left and right sides of the material, and high-speed micro-vibration is applied. 2. The method of drawing and expanding a material according to claim 1, wherein the material is brought into contact with the processing so as to draw or expand the material simultaneously from both ends of the material.
ランプ、クランプシリンダー等の固定手段と、材料の加
工目的形状に見合った形状の型部を有する金型及び該金
型に高速微振動を与えるサーボシリンダー等の振動手
段、金型に回転を与えるモーター、ギヤ等の回転手段等
を備えた金型台と、該金型台を材料の固定手段に向って
加圧移動する加圧シリンダー等の加圧手段をそれぞれ設
置し、また、固定手段に固定支持した材料の中心線と金
型の中心線を同一線上に位置せしめて成る、材料の絞
り、拡張成形加工装置。4. A mold having a fixing means such as a clamp and a clamp cylinder for fixing and supporting a material in a fixed position on a gantry, a mold having a mold portion having a shape corresponding to a target shape of the material, and a high-speed fine A mold table provided with a vibration means such as a servo cylinder for giving vibration, a motor for rotating the mold, a rotating means such as a gear, etc., and a pressurizing means for pressurizing and moving the mold stand toward the material fixing means. An apparatus for drawing and expanding a material, wherein a pressurizing means such as a cylinder is installed, and a center line of a material fixedly supported by a fixing means and a center line of a mold are located on the same line.
及び加圧手段を備えて、材料を左右から挟圧するように
設けると共に、回転手段をもって両金型を互に逆方向回
転するように設けて、材料を左右両端から同時に成形加
工するようにした、請求項４の材料の絞り、拡張成形加
工装置。5. A mold base and a pressurizing means are provided on both sides of a means for fixing the material on the gantry so that the material is clamped from the left and right, and both dies are rotated in opposite directions by rotating means. 5. The drawing and expansion forming apparatus for a material according to claim 4, wherein the material is formed from both right and left ends simultaneously.
った形状に設けると共に、絞り成形加工の型部はその内
径を材料の加工目的外径より僅かに大（金型の高速微振
動の振幅に合わせて）に設定し、また、拡張成形加工の
型部はその外径を材料の加工目的内径より僅かに小（金
型の高速微振動の振幅に合わせて）に設定したものであ
る、請求項４の材料の絞り、拡張成形加工装置。6. The mold portion of the die is provided in a shape corresponding to the target shape of the material, and the die portion of the draw forming process has an inner diameter slightly larger than the target outer diameter of the material (high speed of the die). The outer diameter of the mold part of the expansion molding process was set slightly smaller than the intended inner diameter of the material (according to the amplitude of the high-speed micro vibration of the mold). The apparatus for drawing and expanding a material according to claim 4, wherein
し、加工時に圧力流体を送給して、金型と材料の不要な
摩擦、かじりを潤滑すると共に、筒状材料に流体内圧を
付与して材料の変形、座屈を防ぐようにした、請求項４
の材料の絞り、拡張成形加工装置。7. A hole through which a lubricating fluid is passed through the center of the mold, and a pressurized fluid is supplied at the time of machining to lubricate unnecessary friction and galling between the mold and the material. 5. The method according to claim 4, wherein the material is prevented from deforming and buckling by applying an internal fluid pressure.
Drawing and expansion molding equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17747992A JP2799106B2 (en) | 1992-06-11 | 1992-06-11 | Material drawing, expansion molding method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17747992A JP2799106B2 (en) | 1992-06-11 | 1992-06-11 | Material drawing, expansion molding method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05337577A JPH05337577A (en) | 1993-12-21 |
| JP2799106B2 true JP2799106B2 (en) | 1998-09-17 |
Family
ID=16031637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17747992A Expired - Lifetime JP2799106B2 (en) | 1992-06-11 | 1992-06-11 | Material drawing, expansion molding method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2799106B2 (en) |
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1992
- 1992-06-11 JP JP17747992A patent/JP2799106B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05337577A (en) | 1993-12-21 |
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