JP2599405B2 - Extra punching method of plate material by punch press - Google Patents
Extra punching method of plate material by punch pressInfo
- Publication number
- JP2599405B2 JP2599405B2 JP62295148A JP29514887A JP2599405B2 JP 2599405 B2 JP2599405 B2 JP 2599405B2 JP 62295148 A JP62295148 A JP 62295148A JP 29514887 A JP29514887 A JP 29514887A JP 2599405 B2 JP2599405 B2 JP 2599405B2
- Authority
- JP
- Japan
- Prior art keywords
- punching
- punch
- contour line
- along
- product
- 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
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- Punching Or Piercing (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、製品の輪郭に沿って追抜き加工を行う板材
の追抜き加工方法に関する。Description: BACKGROUND OF THE INVENTION The present invention relates to a sheet material additional punching method for performing additional punching along a contour of a product.
(従来の技術) 従来、例えばタレットパンチプレスにおいて、板材に
追抜き加工を行なうには、打抜き加工部分の断面形状が
矩形状の金型により追抜き加工を行っている。(Prior Art) Conventionally, for example, in a turret punch press, in order to perform an additional punching process on a plate material, an additional punching process is performed using a die having a rectangular cross section at a punched portion.
(発明が解決しようとする問題点) 従来のパンチプレスによる板材の追抜き加工方法にあ
っては、金型(パンチ)の打抜き加工部の断面形状が矩
形状であるので、この矩形状の各辺に沿った部分には打
抜き加工時にだれを生じるが、追抜き加工部の角部に対
応した部分にはだれを生じることがない。しがたって、
追抜き加工を行うと、前記角部に対応した部分にだれを
生じない状態で点状に残ることになる。よって、追抜き
加工によって板材から例えば製品を切断分離すると、製
品の輪郭にはだれを生じない部分が所定ピッチで残り、
外観を損ねると共に後工程に種々の不都合が生じ、追加
加工を必要とする等の問題点があった。(Problems to be Solved by the Invention) In the conventional punching method of a plate material by a punch press, since the cross-sectional shape of a punched portion of a die (punch) is rectangular, each side of the rectangular shape is used. Is generated during the punching process, but no portion is generated at the portion corresponding to the corner of the additional punched portion. Then,
When the additional punching process is performed, a portion corresponding to the corner portion remains in a dot shape without dripping. Therefore, for example, when the product is cut and separated from the plate material by additional punching, a portion that does not cause dripping remains in the contour of the product at a predetermined pitch,
There are problems such as impairing the appearance and various inconveniences in the post-process, requiring additional processing, and the like.
(問題点を解決するための手段) 前述のごとき従来の問題に鑑みて、本発明は、打抜き
加工部分の断面形状が矩形状のパンチを用いて、製品の
輪郭線に沿って追抜き加工を行う追抜き加工方法におい
て、前記パンチにおける矩形状の打抜き化合部分の角度
が前記輪郭線に沿って剪断する複数個所の部位に近接し
た位置に予め打抜き加工を行って前記輪郭線の複数個所
の前記部位に予めだれを生じされる(a)工程と、前記
パンチにおける矩形状の打抜き加工部の角部を、予め打
抜き加工を行った前記部位に合せて、前記輪郭線に沿っ
て追抜き加工を行う(b)工程、よりなることを特徴と
するパンチプレスによる板材の追抜き加工方法である。(Means for Solving the Problems) In view of the conventional problems as described above, the present invention performs additional punching along a contour of a product by using a punch having a rectangular cross section at a punched portion. In the additional punching method, the punching process is performed in advance at a position close to a plurality of portions where the angle of the rectangular punching compound portion in the punch is sheared along the contour line, and the punching process is performed at the plurality of portions of the contour line. (A) a step in which drooping is generated in advance, and an additional punching process is performed along the contour line so that the corners of the rectangular punching portion of the punch are aligned with the previously punched portion (b) And a punching method for a plate material by a punch press.
(作用) 上記構成により、打抜き加工部分の断面形状が矩形状
のパンチを用いて製品の輪郭線に沿って追抜き加工を行
うと、打抜き加工部分の角部に対応してだれを生じない
部分が所定ピッチで点状に残る傾向にあるが、上記各部
が前記輪郭線に沿って剪断する複数箇所の部位には、当
該複数箇所の部位に近接して打抜き加工を行うことによ
って予めだれを生じせしめてあるので、前記輪郭線に沿
って追抜き加工を行うとき、前記角部に対応してだれを
生じない部分が解消される。(Operation) According to the above configuration, when a punching process is performed along a contour of a product using a punch having a rectangular cross section at a punched portion, a portion where no droop occurs corresponding to a corner of the punched portion is obtained. Although it tends to remain in a point-like manner at a predetermined pitch, a plurality of portions where the above-mentioned portions are sheared along the contour line are subjected to punching in proximity to the plurality of portions, thereby causing drooping in advance. Therefore, when the additional punching process is performed along the contour line, a portion that does not cause a droop corresponding to the corner is eliminated.
したがって、追付き加工によって板状のワークから例
えば製品を切断分離したとき、製品の周縁には全周に亘
ってだれが生じた状態にあり、だれを生じない部分が点
状に残るようなことがなく、外観が向上するものであ
る。Therefore, for example, when a product is cut off and separated from a plate-shaped work by over-lapping, a part of the periphery of the product is in a state of being generated over the entire circumference, and a part where no generation occurs remains in a dot shape. And the appearance is improved.
(実施例) 以下、本発明の実施例を図面に基づいて詳細に説明す
る。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第2図を参照するに、タレットパンチプレス1におけ
る、基台3の上方には上部フレーム5が基台3と一体的
に設けてある。Referring to FIG. 2, an upper frame 5 is provided integrally with the base 3 above the base 3 in the turret punch press 1.
基台3と上部フレーム5にはそれぞれ円盤状の下部タ
レット7および上部タレット9が対向して回動自在に装
着してある。この上部タレット9と下部タレット7は同
期して同方向に回動するものであり、下部タレット7に
は複数のダイ11が同心円上に配置装着してある。また上
部タレット9にはダイ11と対応する複数のパンチ13が装
着してある。なお前記上部フレーム5の定位置には、パ
ンチ13を打圧するストライカ15が昇降自在に装着してあ
る。A disc-shaped lower turret 7 and an upper turret 9 are respectively mounted on the base 3 and the upper frame 5 so as to be rotatable in opposition to each other. The upper turret 9 and the lower turret 7 rotate in the same direction synchronously, and a plurality of dies 11 are mounted on the lower turret 7 in a concentric circle. A plurality of punches 13 corresponding to the die 11 are mounted on the upper turret 9. At a fixed position of the upper frame 5, a striker 15 for pressing the punch 13 is mounted so as to be able to move up and down.
前記基台3には、ワークWを前後左右方向へ移動位置
決めをするワーク移動位置決め装置が装着してある。す
なわち基台3の両側面には第2図において左右方向に延
伸したガイドバー17(第2図には一側部のガイドバーが
示されている)が取付けてあり、両側のガイドバー17に
はそれぞれ摺動体19が摺動自在に支持されている。前記
両側の摺動体19は第二ガイドバー21の両端部付近を支承
している。この第二ガイドバー21は前記基台3の上部に
取付けたテーブル23の上面を越えて、前記ガイドバー17
に対して直交する方向に延伸しており、前述のごとくそ
の両端部付近は前記両側の摺動体19に支承されている。
前記第二ガイドバー21はワークWの一側縁を挾持するワ
ーククランプ装置25を移動自在に支承している。A work movement positioning device for moving and positioning the work W in the front-rear and left-right directions is mounted on the base 3. That is, guide bars 17 extending in the left-right direction in FIG. 2 (one side guide bar is shown in FIG. 2) are attached to both side surfaces of the base 3. Are respectively slidably supported by sliding bodies 19. The sliding members 19 on both sides support the vicinity of both ends of the second guide bar 21. The second guide bar 21 extends over the upper surface of the table 23 attached to the upper portion of the base 3, and
, And near both ends thereof are supported by the sliding members 19 on both sides as described above.
The second guide bar 21 movably supports a work clamp device 25 for holding one side edge of the work W.
上記のごとき構成におけるタレットパンチプレス1に
おいては、テーブル23上にワークWを載置してワークW
の一側縁をワーククランプ装置25により挾持固定する。
次に摺動体19をガイドバー17に沿って適宜に摺動すると
ともに第二のガイドバー21に沿ってワーククランプ装置
25を移動せしめて、ワークWの前後左右方向の位置決め
を行なった後、ストライカ15によりパンチ13を打圧して
パンチング加工を行なうものである。In the turret punch press 1 having the above configuration, the work W is placed on the table 23 and the work W
Is clamped and fixed by the work clamp device 25.
Next, the slide body 19 is appropriately slid along the guide bar 17 and the work clamping device is moved along the second guide bar 21.
After the workpiece W is moved to position the workpiece W in the front-rear and left-right directions, the punch 13 is pressed by the striker 15 to perform punching.
前述のごとくパンチング加工を行なうパンチング加工
位置に近接した位置には、ワークWから切り離した製品
あるいはスクラップを受け取り排出するため、複数に分
割したテーブルに揺動機構を設けたワーク排出装置27が
装着されている。At a position close to the punching position where the punching is performed as described above, a work discharge device 27 provided with a swing mechanism on a table divided into a plurality of parts is mounted to receive and discharge a product or scrap separated from the work W. ing.
次に、本発明に係るパンチプレス1による板材Wの打
抜き加工方法が第1図の(A),(B)および(C)に
示されている。すなわち、第1図の(A)において、ワ
ークWから製品Hを切断分離する場合に、まず製品Hの
輪郭線20が予め設定される。また、その輪郭線29に対し
て僅かな距離Xだけ離れた平行な近接線31が予め設定さ
れる。次に、打抜き加工部分の断面形状が矩形状のパン
チを用いて、製品Hの輪郭線29に沿って追抜き加工を行
ってワークWから前記製品Hを切断分離する追抜き加工
を行うに先立って、前記パンチにおける矩形状の打抜き
加工部分の角部が前記輪郭線29に沿って剪断する複数箇
所の部位に近接した位置33A,33Bに予め適宜形状の打付
き加工を行って前記輪郭線29の前記各部位に予めだれを
生じさせておく。Next, a method of punching a sheet material W by the punch press 1 according to the present invention is shown in FIGS. 1 (A), (B) and (C). That is, in FIG. 1A, when cutting and separating the product H from the workpiece W, first, the contour line 20 of the product H is set in advance. In addition, a parallel proximity line 31 that is separated from the contour line 29 by a small distance X is set in advance. Next, prior to performing a punching process for cutting and separating the product H from the work W by performing a punching process along a contour line 29 of the product H by using a punch having a rectangular cross section of a punched portion, The corners of the rectangular punching portion in the punch are subjected to appropriate shape punching in advance at positions 33A and 33B close to a plurality of portions that are sheared along the contour 29, and the punching of the contour 29 is performed. Who is generated in each part in advance.
その後、第1図の(C)に示すように、打抜き加工部
分の断面形状が矩形状のパンチを用いて前記輪郭線29に
沿って、追抜き加工を行うと、上記パンチにおける打抜
き加工部の角部が前記各位置33A,33Bに対応することに
なる。したがって、上記角部が輪郭線29に沿って剪断す
る複数箇所の各部位には予めだれが生じており、角部に
対応した部分にだれを生じない状態の部分が点状に残る
ことがないものである。Thereafter, as shown in FIG. 1C, when a punching process is performed along the contour line 29 using a punch having a rectangular cross section at the punching portion, the corner of the punching portion of the punch is formed. The parts correspond to the positions 33A and 33B. Therefore, the corners are sheared along the contour line 29 at each of the plurality of portions, and a drooping occurs beforehand, and a portion corresponding to the corners without drooping remains in a dot shape. Things.
その結果、追抜き加工された製品の輪郭線に沿って全
体にだれが生じた状態にあり、だれを生じない部分が点
状に残るようなことがなく、外観の向上を図ることがで
きる。As a result, the entire product is in a state of being drooped along the contour line of the additionally punched product, and a portion where no dripping is left does not remain in a dot-like manner, so that the appearance can be improved.
[発明の効果] 以上のごとき実施例の説明より理解されるように、要
するに本発明は、打抜き加工部分の断面形状が矩形状の
パンチを用いて、製品(H)の輪郭線(29)に沿って追
抜き加工を行う追抜き加工方法において、前記パンチに
おける矩形状の打抜き加工部分の角度が前記輪郭線(2
9)に沿って剪断する複数個所の部位に近接した位置に
予め打抜き加工を行って前記輪郭線(29)の複数個所の
前記部位に予めだれを生じさせる(a)工程と、前記パ
ンチにおける矩形状の打抜き加工部の角部を、予め打抜
き加工を行った前記部位に合せて、前記輪郭線(29)に
沿って追抜き加工を行う(b)工程、よりなるパンチプ
レスによる板材の追抜き加工方法である。[Effects of the Invention] As can be understood from the above description of the embodiments, in short, the present invention uses a punch having a rectangular cross section at a punched portion to form a contour (29) of a product (H). In the over-punching method for performing over-punching along, the angle of a rectangular punching portion of the punch is determined by the contour line (2
(A) a step of preliminarily punching a portion adjacent to a plurality of portions to be sheared along 9) to form a droop in the plurality of portions of the contour line (29) in advance; A step (b) of performing additional punching along the contour line (29) so that the corners of the punched portion of the shape are aligned with the previously punched portions; It is.
上記構成より明らかなように、本発明においては、打
抜き加工部分の断面形状が矩形状のパンチを用いて製品
Hの輪郭線29に沿って追抜き加工を行うに当り、前記パ
ンチにおける矩形状の打抜き加工部分の角部が前記輪郭
線29に沿って剪断する複数個所の部位に近接した位置に
予め打抜き加工を行って、複数個所の前記部位に予めだ
れを生じさせておき(a工程)、その後にパンチの角部
を複数個所の前記部位に合せて輪郭線29に沿って追抜き
加工を行う(b工程)ものであるから、パンチの角部に
対応してだれを生じない部分が解消され、輪郭線29に沿
って全長に亘ってだれが生じた態様となり、だれを生じ
ない部分が所定ピッチで点状に残るようなことがなく、
従来の問題を解消することができるものである。As is apparent from the above configuration, in the present invention, when performing punching along the contour line 29 of the product H using a punch having a rectangular cross section at the punching portion, a rectangular punch A punching process is performed in advance at a position where a corner of the processed portion is close to a plurality of portions where the shearing is performed along the contour line 29, and a drooping is generated in the plurality of portions in advance (step a). In addition, the punching process is performed along the contour line 29 by aligning the corners of the punch with a plurality of the above-mentioned portions (step b). It becomes a mode in which who has occurred over the entire length along the contour line 29, and a portion that does not generate wholly does not remain in a point shape at a predetermined pitch,
The conventional problem can be solved.
第1図の(A),(B)および(C)は本発明の追抜き
加工方法の加工順序を説明する説明図、第2図はタレッ
トパンチプレスの概略的な正面図である。 1……タレットパンチプレス 11……ダイ 13……パンチ 29……輪郭線 W……ワーク H……製品1 (A), 1 (B) and 1 (C) are explanatory views for explaining the working order of the additional punching method of the present invention, and FIG. 2 is a schematic front view of a turret punch press. 1 Turret punch press 11 Die 13 Punch 29 Contour line W Workpiece H Product
Claims (1)
チを用いて、製品(H)の輪郭線(29)に沿って追抜き
加工を行う追抜き加工方法において、前記パンチにおけ
る矩形状の打抜き加工部分の角度が前記輪郭線(29)に
沿って剪断する複数個所の部位に近接した位置に予め打
抜き加工を行って前記輪郭線(29)の複数個所の前記部
位に予めだれを生じさせる(a)工程と、前記パンチに
おける矩形状の打抜き加工部の角部を、予め打抜き加工
を行った前記部位に合せて、前記輪郭線(29)に沿って
追抜き加工を行う(b)工程、よりなることを特徴とす
るパンチプレスによる板材の追抜き加工方法。1. A punching method for performing punching along a contour line (29) of a product (H) using a punch having a rectangular cross section at a punching portion. A punching process is performed in advance at a position where the angle of the portion is close to a plurality of portions where the shearing is performed along the contour line (29), and a drooping is caused in advance at the plurality of portions of the contour line (29) (a And (b) a step of performing an additional punching process along the contour line (29) so that the corners of the rectangular punched portion of the punch are aligned with the previously punched portion. An additional punching method of a plate material by a punch press.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62295148A JP2599405B2 (en) | 1987-11-25 | 1987-11-25 | Extra punching method of plate material by punch press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62295148A JP2599405B2 (en) | 1987-11-25 | 1987-11-25 | Extra punching method of plate material by punch press |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01138025A JPH01138025A (en) | 1989-05-30 |
JP2599405B2 true JP2599405B2 (en) | 1997-04-09 |
Family
ID=17816889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62295148A Expired - Lifetime JP2599405B2 (en) | 1987-11-25 | 1987-11-25 | Extra punching method of plate material by punch press |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2599405B2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56165532A (en) * | 1980-05-26 | 1981-12-19 | Amada Co Ltd | Successive punching method with punching press and die for use of this punching method |
-
1987
- 1987-11-25 JP JP62295148A patent/JP2599405B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH01138025A (en) | 1989-05-30 |
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