JPH09150223A - Plastic-working method for cupped member with boss - Google Patents
Plastic-working method for cupped member with bossInfo
- Publication number
- JPH09150223A JPH09150223A JP7333916A JP33391695A JPH09150223A JP H09150223 A JPH09150223 A JP H09150223A JP 7333916 A JP7333916 A JP 7333916A JP 33391695 A JP33391695 A JP 33391695A JP H09150223 A JPH09150223 A JP H09150223A
- Authority
- JP
- Japan
- Prior art keywords
- cup
- shaped member
- punch
- boss
- pressing
- 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.)
- Granted
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ボス付きカップ状
部材の塑性加工方法に関するもので、一般の鋼板を絞り
加工してカップ状部材を得る、所謂塑性加工方法の技術
分野に属するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic working method for a cup-shaped member with a boss, and belongs to the technical field of a so-called plastic working method in which a general steel plate is drawn to obtain a cup-shaped member. .
【0002】[0002]
【従来の技術】従来、このような部材を得るためには、
図9に示すように、板状素材1を徐々に絞り成形し、必
要な形状寸法のボスを成形した後、半加工品の外周部を
立ち上げて最終部材としていた。2. Description of the Related Art Conventionally, in order to obtain such a member,
As shown in FIG. 9, the plate-shaped material 1 was gradually drawn to form a boss having a required shape and dimensions, and then the outer peripheral portion of the semi-processed product was raised to form a final member.
【0003】この従来の方法によると、必要なボスを得
るために多くの工程が必要になる。例えば、板状素材1
の外径をD1、ボスの径をD2として、D1÷D2=5
の場合は、工程数が4工程から6工程になる。一挙に必
要な寸法のボスを成形しようとすれば、ボス部の縦壁部
の引っ張り応力が増大してこの部分が破れてしまう。そ
こで、上述のような工程数が必要になる。According to this conventional method, many steps are required to obtain the necessary boss. For example, plate material 1
Let D1 be the outer diameter of D1 and D2 be the diameter of the boss, and D1 ÷ D2 = 5
In the case of, the number of steps is from 4 to 6. If an attempt is made to form a boss having a necessary size all at once, the tensile stress of the vertical wall portion of the boss portion increases and this portion is broken. Therefore, the number of steps as described above is required.
【0004】そのため、従来の方法によれば、第1にト
ランスファプレスのような大掛かりな装置と多数の金型
が必要とされる。Therefore, according to the conventional method, firstly, a large-scale device such as a transfer press and a large number of molds are required.
【0005】第2に、図9に示す一連の型のコーナR
1、R2、R3等の影響で、フランジ部Aにショックラ
インが発生するため、これを防止するために所謂リスト
ライク工程が必要になってくる。Second, a series of corner corners R shown in FIG.
Since a shock line is generated in the flange portion A due to the influence of 1, R2, R3, etc., a so-called rest-like process is required to prevent this.
【0006】[0006]
【発明が解決しようとする課題】本発明は、上述の問題
を解決するためになされたもので、ボス部の縦壁の引っ
張り応力を増大させることなく、必要な形状寸法のボス
を得ることである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to obtain a boss having a required shape and size without increasing the tensile stress of the vertical wall of the boss portion. is there.
【0007】[0007]
【課題を解決するための手段】ボス部の縦壁の引っ張り
応力を発生させないために、カップ状になった部材の開
口部端面を押して、ボスの成形を行う。[Means for Solving the Problems] In order not to generate tensile stress on the vertical wall of the boss, the boss is formed by pushing the end face of the opening of the cup-shaped member.
【0008】あるいは、ボス部にピンを挿入して、ボス
部を縦壁の引っ張り力が破断力より小さくなる程度に、
実質的に引っ張ることよって、ボスの成形を助ける。Alternatively, by inserting a pin into the boss portion, the boss portion may be pulled to a degree such that the pulling force of the vertical wall becomes smaller than the breaking force.
By pulling substantially, it helps shape the boss.
【0009】さらに、上記手段を利用して、あらかじめ
カップ状に成形された素材を用いて、所望の部材を得
る。Further, by using the above means, a desired member is obtained by using a material which has been previously formed into a cup shape.
【0010】[0010]
【発明の実施の形態】本発明の第1の実施形態を図1、
図2及び図3を用いて、以下に説明する。ダイ2に対向
させて、往復動可能に押さえ用パンチ3、リングパンチ
4を設ける。ダイ2にはダイ穴6を明け、ダイ穴6の開
口部にはアプローチ部7及びガイド部10が形成されて
いる。ダイ穴6は、板状素材1を押さえ用パンチ3で絞
り込むための穴で、ガイド部10は、板状素材1をダイ
2にセットするとき、板状素材1の外周を拘束すること
によって、位置決めするためのものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention is shown in FIG.
This will be described below with reference to FIGS. 2 and 3. A pressing punch 3 and a ring punch 4 are provided so as to reciprocate so as to face the die 2. A die hole 6 is formed in the die 2, and an approach portion 7 and a guide portion 10 are formed in the opening portion of the die hole 6. The die hole 6 is a hole for narrowing down the plate-shaped material 1 with the pressing punch 3, and the guide portion 10 restrains the outer periphery of the plate-shaped material 1 when setting the plate-shaped material 1 in the die 2. It is for positioning.
【0011】ダイ2には、カウンタパンチ8が挿入され
ていて、カウンタパンチ8はエジェクトピン9で付勢さ
れ、上昇自在である。カウンタパンチ8は押さえ用パン
チ3と協働して、板状素材1のフランジ部を押圧し、フ
ランジ部が厚くなるのを防止し、さらに、エジェクトピ
ン9と協働して成形が完了した部材をエジェクトする。
エジェクトピン9は、圧油によって作動する構造になっ
ている。A counter punch 8 is inserted in the die 2, and the counter punch 8 is urged by an eject pin 9 and can be raised. The counter punch 8 cooperates with the pressing punch 3 to press the flange portion of the plate-shaped material 1 to prevent the flange portion from becoming thicker, and further cooperates with the eject pin 9 to complete molding. To eject.
The eject pin 9 has a structure operated by pressure oil.
【0012】押さえ用パンチ3はクッションピン5で付
勢され、ダイ2と協働して板状素材1をカップ状に絞る
とともに、前記のように、フランジ部が厚くなるのを防
止する。クッションピン5は圧油によって作動する構造
になっている。The pressing punch 3 is urged by the cushion pin 5, and cooperates with the die 2 to squeeze the plate-shaped material 1 into a cup shape and prevent the flange portion from becoming thick as described above. The cushion pin 5 has a structure operated by pressure oil.
【0013】図1において、板状素材1がダイ2に供給
され、ガイド部10で位置決めされる。押さえ用パンチ
3とリングパンチ4が下降すると、板状素材1がダイ2
と押さえ用パンチ3とによって絞り加工され、図2に示
すようにカップ状になる。この状態で、すなわち、押さ
え用パンチ3とカウンタパンチ8とでカップ状部材のフ
ランジ部を挟持した状態で、リングパンチ4がさらに下
降すると、カップ状部材の開口部端面13はリングパン
チ4で押され、カップ状部材の底部は、カウンタパンチ
8の突起部12に沿って図3に示すようにカップ状部材
の内側に立ち上がる。In FIG. 1, a plate-shaped material 1 is supplied to a die 2 and positioned by a guide portion 10. When the pressing punch 3 and the ring punch 4 descend, the plate-shaped material 1 is moved to the die 2
And a pressing punch 3 are used for drawing to form a cup shape as shown in FIG. In this state, that is, when the flange portion of the cup-shaped member is sandwiched between the pressing punch 3 and the counter punch 8, when the ring punch 4 is further lowered, the opening end surface 13 of the cup-shaped member is pushed by the ring punch 4. Then, the bottom of the cup-shaped member rises inside the cup-shaped member along the protrusion 12 of the counter punch 8 as shown in FIG.
【0014】第2の実施形態を、図4、図5及び図6を
用いて、以下に説明する。第2の実施形態は、第1の実
施形態におけるカウンタパンチ8にピン14が挿入され
ている点が相違する。ピン14は、ボス部の発生を助け
るとともに、その後ボス部の内径部に挿入され、ボス部
を押し上げることによってボス部が成長するのを助け
る。ピン14は、付勢ピン15で付勢され、上昇自在で
ある。付勢ピン15は、圧油によって作動する構造にな
っている。The second embodiment will be described below with reference to FIGS. 4, 5 and 6. The second embodiment is different in that the pin 14 is inserted into the counter punch 8 in the first embodiment. The pin 14 assists the generation of the boss portion, and is inserted into the inner diameter portion of the boss portion thereafter, and assists the boss portion to grow by pushing up the boss portion. The pin 14 is urged by the urging pin 15 and can be raised. The biasing pin 15 has a structure that is operated by pressure oil.
【0015】図4において、板状素材1がダイ2に供給
され、ガイド部10によって位置決めされる。押さえ用
パンチ3とリングパンチ4が下降すると、板状素材1が
ダイ2と押さえ用パンチ3とによって絞り加工され、図
5に示すようにカップ状になる。この状態で、すなわ
ち、押さえ用パンチ3とカウンタパンチ8とでカップ状
部材のフランジ部を挟持した状態で、リングパンチ4が
さらに下降し、これとほぼ同時にピン14が上昇すると
カップ状部材の開口部端面はリングパンチ4で押される
とともに、カップ状部材の底がピン14で押し上げら
れ、その結果、図6に示すようにカップ状部材の内側に
立ち上がる。In FIG. 4, the plate-shaped material 1 is supplied to the die 2 and positioned by the guide portion 10. When the pressing punch 3 and the ring punch 4 descend, the plate-shaped material 1 is drawn by the die 2 and the pressing punch 3 into a cup shape as shown in FIG. In this state, that is, when the flange portion of the cup-shaped member is sandwiched between the pressing punch 3 and the counter punch 8, the ring punch 4 is further lowered, and at the same time as the pin 14 is raised, the cup-shaped member is opened. The end face of the cup is pushed by the ring punch 4 and the bottom of the cup-shaped member is pushed up by the pin 14, and as a result, it rises up inside the cup-shaped member as shown in FIG.
【0016】第3の実施形態は、図7に示すように、あ
らかじめ成形されているカップ状の素材を用いて所望の
部材を得る方法であって、ボス部の成形に付いては前述
の第1あるいは第2の実施形態と同じである。As shown in FIG. 7, the third embodiment is a method for obtaining a desired member by using a preformed cup-shaped material. Regarding the molding of the boss portion, This is the same as the first or second embodiment.
【0017】以上の実施形態の説明においては、ボス部
がカップ状部材の内側に形成されているものが示されて
いるが、図8に示すようにボス部がカップ状部材の外側
に形成されるものでも良い。Although the boss portion is formed inside the cup-shaped member in the above description of the embodiment, the boss portion is formed outside the cup-shaped member as shown in FIG. Anything is fine.
【0018】[0018]
【発明の効果】本発明によれば、ボス部の縦壁部の応力
が増大する事がないため、1工程で所望の形状寸法の部
材を得ることが出来、トランスファプレスのような大掛
かりな設備が不要であること、さらに、多工程の場合に
発生するショックラインの問題も解消する。According to the present invention, since the stress on the vertical wall portion of the boss portion does not increase, a member having a desired shape and dimension can be obtained in one step, and a large-scale equipment such as a transfer press can be obtained. Is unnecessary, and the problem of the shock line that occurs in the case of multiple processes is solved.
【図1】本発明の第1の実施形態を示す金型の縦断面図FIG. 1 is a vertical sectional view of a mold showing a first embodiment of the present invention.
【図2】本発明の第1の実施形態を示す金型の縦断面図FIG. 2 is a vertical cross-sectional view of a mold showing the first embodiment of the present invention.
【図3】本発明の第1の実施形態を示す金型の縦断面図FIG. 3 is a vertical cross-sectional view of a mold showing the first embodiment of the present invention.
【図4】本発明の第2の実施形態を示す金型の縦断面図FIG. 4 is a vertical sectional view of a mold showing a second embodiment of the present invention.
【図5】本発明の第2の実施形態を示す金型の縦断面図FIG. 5 is a vertical sectional view of a mold showing a second embodiment of the present invention.
【図6】本発明の第2の実施形態を示す金型の縦断面図FIG. 6 is a vertical sectional view of a mold showing a second embodiment of the present invention.
【図7】本発明の第3の実施形態を示す金型の縦断面図FIG. 7 is a vertical sectional view of a mold showing a third embodiment of the present invention.
【図8】本発明の実施形態を示す補足説明図FIG. 8 is a supplementary explanatory diagram showing an embodiment of the present invention.
【図9】従来の加工工程を示す説明図FIG. 9 is an explanatory view showing a conventional processing step.
1は板状素材、2はダイ、3は押さえ用パンチ、4はリ
ングパンチ、5はクッションピン、6はダイ穴、7はア
プローチ部、8はカウンタパンチ、9はエジェクトピ
ン、10はガイド部、11は穴、12は突起部、13は
カップ状部材の開口部端面、14はピン、15は付勢ピ
ン、である。1 is a plate material, 2 is a die, 3 is a pressing punch, 4 is a ring punch, 5 is a cushion pin, 6 is a die hole, 7 is an approach part, 8 is a counter punch, 9 is an eject pin, 10 is a guide part. , 11 is a hole, 12 is a protrusion, 13 is an end face of the opening of the cup-shaped member, 14 is a pin, and 15 is a biasing pin.
Claims (3)
内壁に嵌合して、ダイ側に油圧クッション等にて付勢さ
れる押さえ用パンチにてカップ状部材の底部を押さえな
がら、前記カップ状部材の底部に、内側あるいは外側に
向けてボス部を成形させる塑性加工方法において、押さ
え用パンチとこれに対向するカウンタパンチとで、カッ
プ状部材の底部を押圧させた状態で、カップ状部材の開
口部端面をリングパンチで押すことによって前記ボス部
を形成させることを特徴とするボス付きカップ状部材の
塑性加工方法。1. A cup-shaped member is inserted into a die hole, fitted into an inner wall of the cup, and the bottom portion of the cup-shaped member is pressed by a pressing punch urged by a hydraulic cushion or the like on the die side. In a plastic working method of forming a boss portion inwardly or outwardly on a bottom portion of a cup-shaped member, a cup-shaped member is formed by pressing a bottom portion of the cup-shaped member with a pressing punch and a counter punch opposite to the pressing punch. A plastic working method for a cup-shaped member with a boss, characterized in that the boss portion is formed by pressing the end face of the opening of the member with a ring punch.
内壁に嵌合して、ダイ側に油圧クッション等にて付勢さ
れる押さえ用パンチにてカップ状部材の底部を押さえな
がら、前記カップ状部材の底部に、内側あるいは外側に
向けてボス部を成形させる塑性加工方法において、押さ
え用パンチとこれに対向するカウンタパンチとで、カッ
プ状部材の底部を押圧させた状態で、カップ状部材の開
口部端面をリングパンチで押すとともに、ボス部の内径
に相当する径のピンであって先端部をカップ状部材の底
に向けられた該ピンを軸方向に付勢することによって、
該カップ状部材の底にボス部を生じさせ、さらに所望の
形状寸法まで成形させることを特徴とするボス付きカッ
プ状部材の塑性加工方法。2. A cup-shaped member is inserted into the die hole, fitted into the inner wall of the cup, and the bottom portion of the cup-shaped member is pressed by a pressing punch urged by a hydraulic cushion or the like to the die side. In a plastic working method of forming a boss portion inwardly or outwardly on a bottom portion of a cup-shaped member, a cup-shaped member is formed by pressing a bottom portion of the cup-shaped member with a pressing punch and a counter punch opposite to the pressing punch. By pressing the opening end surface of the member with a ring punch and axially urging the pin having a diameter corresponding to the inner diameter of the boss, the tip of which is directed toward the bottom of the cup-shaped member,
A plastic working method of a cup-shaped member with a boss, characterized in that a boss portion is formed on the bottom of the cup-shaped member, and the cup-shaped member is molded to a desired shape and dimension.
用いて、小径のカップ部材を、または、板状素材を用い
てカップ状部材を絞り成形させ、引き続き該小径のカッ
プ部材の底に、内側あるいは外側に向けてボス部を成形
させる、特許請求の範囲の請求項1または請求項2に記
載のボス付きカップ状部材の塑性加工方法。3. A cup-shaped member formed in advance into a cup shape is used to draw a small-diameter cup member, or a plate-shaped material is used to draw-form the cup-shaped member, and then the bottom of the small-diameter cup member is formed. The plastic working method for a cup-shaped member with a boss according to claim 1 or 2, wherein the boss portion is formed toward the inside or the outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33391695A JP3269764B2 (en) | 1995-11-29 | 1995-11-29 | Plastic working method of cup-shaped member with boss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33391695A JP3269764B2 (en) | 1995-11-29 | 1995-11-29 | Plastic working method of cup-shaped member with boss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09150223A true JPH09150223A (en) | 1997-06-10 |
JP3269764B2 JP3269764B2 (en) | 2002-04-02 |
Family
ID=18271405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP33391695A Expired - Fee Related JP3269764B2 (en) | 1995-11-29 | 1995-11-29 | Plastic working method of cup-shaped member with boss |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3269764B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002153916A (en) * | 2000-11-20 | 2002-05-28 | Koshin Giken:Kk | Method and device for continuous reverse redrawing |
JP2006320957A (en) * | 2005-04-20 | 2006-11-30 | Jatco Ltd | Press forming method and its apparatus |
JP2010023111A (en) * | 2008-07-24 | 2010-02-04 | Aisin Seiki Co Ltd | Drawing device |
JP2010214381A (en) * | 2009-03-13 | 2010-09-30 | Aisin Aw Co Ltd | Device and method for forming stepped cup-shaped component |
CN103801611A (en) * | 2014-02-25 | 2014-05-21 | 马鞍山市蓝华机械制造有限公司 | Thickening technology of drawn materials |
-
1995
- 1995-11-29 JP JP33391695A patent/JP3269764B2/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002153916A (en) * | 2000-11-20 | 2002-05-28 | Koshin Giken:Kk | Method and device for continuous reverse redrawing |
JP2006320957A (en) * | 2005-04-20 | 2006-11-30 | Jatco Ltd | Press forming method and its apparatus |
JP4522378B2 (en) * | 2005-04-20 | 2010-08-11 | ジヤトコ株式会社 | Press molding method and apparatus |
JP2010023111A (en) * | 2008-07-24 | 2010-02-04 | Aisin Seiki Co Ltd | Drawing device |
JP2010214381A (en) * | 2009-03-13 | 2010-09-30 | Aisin Aw Co Ltd | Device and method for forming stepped cup-shaped component |
CN103801611A (en) * | 2014-02-25 | 2014-05-21 | 马鞍山市蓝华机械制造有限公司 | Thickening technology of drawn materials |
Also Published As
Publication number | Publication date |
---|---|
JP3269764B2 (en) | 2002-04-02 |
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