JPH01273627A - Press die - Google Patents
Press dieInfo
- Publication number
- JPH01273627A JPH01273627A JP10328988A JP10328988A JPH01273627A JP H01273627 A JPH01273627 A JP H01273627A JP 10328988 A JP10328988 A JP 10328988A JP 10328988 A JP10328988 A JP 10328988A JP H01273627 A JPH01273627 A JP H01273627A
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- cam
- punch
- cam slide
- slide
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000004080 punching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、プレス型に関し、詳しくは、板状ワークの2
個所の加工部位が平面視で略同−位置に位置する場合、
例えば、自動車のボデーを構成する内外板等の板状ワー
クの垂下した折曲端縁部の先端縁と該先端線と平面視で
略同−位置に位置する折曲端縁部の基部とを略同時にプ
レス加工することのできるプレス型に関するものである
。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a press mold, and more specifically, the present invention relates to a press mold, and more specifically,
When two machined parts are located at approximately the same position in plan view,
For example, the tip edge of a hanging bent edge of a plate-shaped work such as an inner and outer panel that constitutes the body of an automobile, and the base of the bent edge that is located at approximately the same position as the tip line in plan view. This invention relates to a press die that can perform press working almost simultaneously.
第3図は板状ワーク(1)の折曲端縁部(2)をプレス
成形するのに使用される従来のプレス型<a>を示した
ものである0図面において、(3)は切断工程の定位置
に配置され、かつ、上型(図示省略)が嵌脱自在に嵌合
する固定型で、この固定型(3)のワーク嵌置面(4)
の周縁に外側方に突出する固定ポンチ(5)を形成し、
固定ポンチ(5)の下面側に固定刃部(6)を形成しで
ある。(7)は固定ポンチ(5)の外側近傍位置に水平
方向に直線往復移動可能に設置されたカムスライドで、
このカムスライド(7)は、後部に傾斜面(8)を形成
した本体(9)に、上記固定ポンチ(5)の固定刃部(
6)とで板状ワーク(1)の端縁部(2)の先端縁(2
a)を切断するグイ刃(10)を一体に取付けたもので
ある。(11)は垂直方向に直線往復移動可能に配設さ
れたカムドライバで、このカムドライバ(11)の先端
には上記カムスライド(7)の後部の傾斜面(8)と摺
接するカム面(12)を形成しである。Figure 3 shows a conventional press die <a> used to press-form the bent edge (2) of a plate-shaped workpiece (1). A fixed mold that is placed at a fixed position in the process and into which an upper mold (not shown) is removably fitted, and the workpiece mounting surface (4) of this fixed mold (3)
A fixed punch (5) protruding outward is formed on the periphery of the
A fixed blade portion (6) is formed on the lower surface side of the fixed punch (5). (7) is a cam slide installed near the outside of the fixed punch (5) so that it can move back and forth in a straight line in the horizontal direction.
This cam slide (7) has a main body (9) with an inclined surface (8) formed at the rear thereof, and a fixed blade portion (
6) and the tip edge (2) of the edge (2) of the plate-like workpiece (1).
A) A goo blade (10) for cutting is integrally attached. (11) is a cam driver arranged to be able to reciprocate linearly in the vertical direction, and the tip of this cam driver (11) has a cam surface ( 12) is formed.
そして、上記板状ワーク(1)の折曲端縁部(2)の先
端縁(2a)を切断する場合は、先ず固定型(3)と上
型(図示省略)とで板状ワーク(1)を所定形状にプレ
ス成形する。しかる後、上記カムドライバ(11)を下
降させ、そのカム面(12)をカムスライド(7)の後
部傾斜面(8)に摺接させて、該カムスライド(7)を
固定型(3)に向けて水平に押圧移動させる。このカム
スライド(7)の移動により板状ワーク(1)の端縁部
(2)の先端縁(2a)が固定ポンチ(5)の固定刃部
(6)とカムスライド(7)のグイ刃(10)とで切断
される。When cutting the tip edge (2a) of the bent end edge (2) of the plate-shaped workpiece (1), first the fixed die (3) and the upper die (not shown) are used to cut the plate-shaped workpiece (1). ) is press-molded into a predetermined shape. After that, the cam driver (11) is lowered and its cam surface (12) is brought into sliding contact with the rear inclined surface (8) of the cam slide (7), and the cam slide (7) is fixed to the fixed type (3). Press and move horizontally towards . Due to this movement of the cam slide (7), the tip edge (2a) of the end edge (2) of the plate-shaped workpiece (1) is moved between the fixed blade part (6) of the fixed punch (5) and the goo blade of the cam slide (7). (10).
ところで、上記板状ワーク(1)の折曲端縁部(2)の
先端縁(2a)と平面視で略同−位置に位置する該折曲
端縁部(2)の基部(2b)に貫通孔を形成する場合、
上記従来のプレス型<a>では孔抜き加工することがで
きないので、従来、切断工程の次工程に孔抜きポンチを
進退移動可能に設置した孔抜き工程を設け、該孔抜き工
程において孔抜きポンチにより板状ワーク(1)の折曲
端縁部(2)の基部(2b)を孔抜き加工していた。By the way, at the base (2b) of the bent edge (2) located at approximately the same position in plan view as the tip edge (2a) of the bent edge (2) of the plate-shaped workpiece (1), When forming a through hole,
Since the conventional press die <a> cannot perform hole punching, conventionally, a hole punch is installed in the next step of the cutting process in which a hole punch is installed so that it can move forward and backward. The base (2b) of the bent edge (2) of the plate-shaped workpiece (1) was punched using the following method.
上記従来のプレス型(a)によれば、孔抜き加工をする
ことができないので、別工程に孔抜きポンチを進退移動
可能に設置しなければならず、それだけコストが高くつ
き、作業性がきわめて悪いという問題があった。According to the above-mentioned conventional press die (a), it is not possible to punch holes, so a hole punch must be installed in a separate process so that it can move forward and backward, which increases costs and greatly reduces work efficiency. There was a problem with it being bad.
本発明は、板状ワークの2個所の加工部位が平面視で略
同−位置に位置する場合、該2個所の加工部位を同一工
程で略同時にプレス加工することのできるプレス型を提
供することを目的とする。The present invention provides a press mold that can press two processing parts of a plate-like workpiece at substantially the same time in the same process when the two processing parts are located at substantially the same position in plan view. With the goal.
本発明は、上記目的を達成するため、提案されたもので
、ワーク嵌置面の周縁に外側方へ突出する固定ポンチを
形成した固定型と、固定ポンチの外側近傍位置に、予め
決められた方向に直線往復移動可能に設置され、かつ、
上記固定ポンチと衝合するグイ刃を具備する第1のカム
スライドと、第1のカムスライドの上方位置に垂直方向
および水平方向に移動可能に配設され、かつ、可動ポン
チを具備する第2のカムスライドと、上記第1および第
2のカムスライド間に所定の間隔をおいて配設され、上
面に、固定ポンチに向って下り傾斜で、かつ、第2のカ
ムスライドを摺動自在に案内する傾斜案内面を形成した
固定カムドライバと、上記固定カムドライバに垂直方向
に直線往復移動可能に貫通保持され、かつ、第2のカム
スライドの昇降動作に関連して第1のカムスライドを直
線往復移動させる可動カムドライバとからなり、上記第
2のカムスライドは、下降動作時に固定カムドライバの
傾斜案内面との当接後、該案内面にそって水平方向へ移
動しながら下降するようにしたものである。The present invention has been proposed in order to achieve the above object, and includes a fixed mold having a fixed punch formed on the periphery of a workpiece mounting surface that protrudes outward, and a fixed punch provided at a predetermined position near the outside of the fixed punch. installed so that it can be moved back and forth in a straight line in the direction, and
a first cam slide that is provided with a goo blade that abuts against the fixed punch; and a second cam slide that is disposed above the first cam slide so as to be movable in vertical and horizontal directions and that is provided with a movable punch. and the first and second cam slides at a predetermined interval, the upper surface is inclined downwardly toward the fixed punch, and the second cam slide is slidable. a fixed cam driver formed with an inclined guide surface for guiding; and a fixed cam driver that is held through the fixed cam driver so as to be capable of linear reciprocating movement in a vertical direction, and that moves the first cam slide in relation to the vertical movement of the second cam slide. The second cam slide comprises a movable cam driver that moves back and forth in a straight line, and the second cam slide comes into contact with the inclined guide surface of the fixed cam driver during the downward movement, and then descends while moving horizontally along the guide surface. This is what I did.
第2のカムスライドが下降して可動カムドライバを下方
へ押込むと、該可動カムドライバの押圧力により第1の
カムスライドが固定型に向かって移動し、グイ刃と固定
ポンチとで板状ワークの折曲端縁部の先端縁がプレス加
工される、これと同時に第2のカムスライドによる可動
カムドライバの押込動作時、第2のカムスライドが固定
カムドライバの傾斜案内面と当接すると、第2のカムス
ライドは該傾斜案内面にそって水平方向に移動しながら
下降し、固定ポンチと可動ポンチとで板状ワークの折曲
端縁部の基部がプレス加工される。When the second cam slide descends and pushes the movable cam driver downward, the first cam slide moves toward the fixed mold due to the pressing force of the movable cam driver, and the goo blade and fixed punch form a plate. When the tip edge of the bending edge of the workpiece is pressed and at the same time the movable cam driver is pushed in by the second cam slide, when the second cam slide comes into contact with the inclined guide surface of the fixed cam driver. The second cam slide descends while moving horizontally along the inclined guide surface, and the fixed punch and the movable punch press the base of the bent edge of the plate-like workpiece.
以下本発明に係るプレス型(b)の実施例を第1図およ
び第2図を参照しながら説明すると次の通りである。図
面において、(21)は定位置に設置され、かつ、上型
(図示省略)が嵌説自在に嵌合する固定型で、この固定
型(21)のワーク嵌置面(22)の周縁に外側方に突
出する固定ポンチ(23)を一体に形成し、かつ、該固
定ポンチ(23)の下面側には隆起した固定刃部(24
)を形成すると共に、所望部位に打抜き孔(25)を形
成しである。(26)は固定ポンチ(23)の外側近傍
位置に水平方向に直線往復移動可能に、かつ、常時外測
方向へ付勢力を作用させて設置された第1のカムスライ
ドで、この第1のカムスライド(26)は、後部に傾斜
面(27)を形成したダイホルダ(28)の前端部に、
上記固定ポンチ(23)の固定刃部(24)と擦れ違い
可能に衝合するダイ刃(29)を取付けたものである。An embodiment of the press mold (b) according to the present invention will be described below with reference to FIGS. 1 and 2. In the drawing, (21) is a fixed mold that is installed in a fixed position and into which an upper mold (not shown) is freely fitted. A fixed punch (23) protruding outward is integrally formed, and a raised fixed blade portion (24) is provided on the lower surface side of the fixed punch (23).
) and punch holes (25) at desired locations. (26) is a first cam slide installed near the outside of the fixed punch (23) so as to be able to move back and forth in a straight line in the horizontal direction, and to constantly apply a biasing force in the external direction. The cam slide (26) is attached to the front end of the die holder (28), which has an inclined surface (27) at the rear.
A die blade (29) is attached to the fixed blade portion (24) of the fixed punch (23) and abuts against each other so as to be able to rub against each other.
(30)は上記第1のカムスライド(26)の上方位置
に垂直方向および水平方向に移動可能に配設された可能
ベース、(31)は可動ベース(30)の下面に取付固
定された第2のカムスライドで、この第2のカムスライ
ド(31)は、下面に傾斜したカム面(32)を形成し
たポンチホルダ(33)と、該ポンチホルダ(32)の
傾斜した前面(34)に取付固定された孔抜き用の可動
ポンチ(35)とから構成されている。(30) is a movable base disposed above the first cam slide (26) so as to be movable vertically and horizontally, and (31) is a movable base fixed to the lower surface of the movable base (30). This second cam slide (31) is attached and fixed to a punch holder (33) having an inclined cam surface (32) formed on the lower surface and an inclined front surface (34) of the punch holder (32). It consists of a movable punch (35) for punching holes.
(36)は上記可動ポンチ(35)に嵌挿された弾体か
らなる筒状部材で、この筒状部材(36)は、ポンチホ
ルダ(33)の傾斜した前面(34)に取付固定し、そ
の先端部(37)を可動ポンチ(35)より所定寸法前
方へ突出させである。(36) is a cylindrical member made of an elastic body fitted into the movable punch (35), and this cylindrical member (36) is attached and fixed to the inclined front surface (34) of the punch holder (33). The tip portion (37) is made to protrude forward by a predetermined distance from the movable punch (35).
(38)は第1および第2のカムスライド(26)(3
1)間に設置された固定ベース、(39)は固定ベース
(3日)上に設置された固定カムドライバで、この固定
カムドライバ(39)は、上面に、固定ポンチ(23)
に向かって下り傾斜で、かつ、第2のカムスライド(3
1)のカム面(32)が摺接する案内面(40)を形成
すると共に、垂直方向に貫通孔(41)を形成したもの
である。(38) are the first and second cam slides (26) (3
1) A fixed base installed in between, (39) is a fixed cam driver installed on the fixed base (3rd), and this fixed cam driver (39) has a fixed punch (23) on the top surface.
and the second cam slide (3
A guide surface (40) is formed on which the cam surface (32) of 1) slides, and a through hole (41) is formed in the vertical direction.
(42)は固定カムドライバ(39)の貫通孔(41)
に垂直方向に直線往復移動可能に、かつ、常時上方への
付勢力を作用させて嵌挿された可動カムドライバで、こ
の可動カムドライバ(42)は、両端に、第1および第
2のカムスライド(26)(32)と摺接する傾斜面(
43) (44)を形成したものである。(45)は
上記可動カムドライバ(42)の下降時に該カムドライ
バ(42)を摺動自在に案内するガイド板で、このガイ
ド板(45)は第1のカムスライド(26)の外側位置
に起立設置しである。(42) is the through hole (41) of the fixed cam driver (39)
A movable cam driver (42) is fitted into the movable cam driver (42) so as to be able to reciprocate in a straight line in the vertical direction and to constantly apply an upward biasing force to the movable cam driver (42). Slanted surface (
43) (44) is formed. (45) is a guide plate that slidably guides the movable cam driver (42) when the movable cam driver (42) is lowered, and this guide plate (45) is located at a position outside the first cam slide (26). It is installed standing up.
次に本発明の動作要領について説明すると次の通りであ
る。Next, the operation of the present invention will be explained as follows.
上記板状ワーク(1)が上型(図示省略)と固定型(2
1)とでプレス成形され、ワーク嵌置面(22)に嵌置
された板状ワーク(1)の折曲端縁部(2)が固定ポン
チ(23)にそって垂下し、折曲端縁部(2)の先端縁
(2a)が固定ポンチ(23)の固定刃部(24)より
下方へ突出すると、可動ベース(30)に取付固定され
た第2のカムスライド(31)が、カム面(32)が固
定カムドライバ(39)の傾斜案内面(4o)に当接す
るまで、可動カムドライバ(42)を押込みながら下降
する。すると、上記可動カムドライバ(42)の下降に
伴ない、第1のカムスライド(26)が、可動カムドラ
イバ(42)の下端傾斜面(43)で押圧され、固定型
(21)に向かって水平に直線移動する。この第1のカ
ムスライド(26)の移動により、ダイ刃(29)と固
定ポンチ(23)の固定刃部(24)とで板状ワーク(
1)の折曲端縁部(2)の先端縁(2a)が切断加工さ
れる。そして、上記第2のカムスライド(31)のカム
面(32)が固定カムドライバ(39)の傾斜案内面(
40)に当接すると、第2のカムスライド(31)は、
可動ベース(3o)の下方への押圧力により、固定カム
ドライバ(39)の傾斜案内面(40)にそって水平方
向へ移動しながら下降する。この第2のカムスライド(
31)の移動により、該カムスライド(31)の可動ポ
ンチ(35)が固定型(21)の打抜き孔(25)に嵌
入し、板状ワーク(1)の折曲端縁部(2)の先端縁(
2a)の切断加工と略同時に該端縁部(2)の基部(2
b)が孔抜き加工される。The above plate-like workpiece (1) consists of an upper mold (not shown) and a fixed mold (2
The bent end edge (2) of the plate-shaped workpiece (1) press-formed with 1) and placed on the workpiece mounting surface (22) hangs down along the fixed punch (23), and the bent end When the tip edge (2a) of the edge (2) protrudes downward from the fixed blade part (24) of the fixed punch (23), the second cam slide (31) fixedly attached to the movable base (30) The movable cam driver (42) is pushed down until the cam surface (32) contacts the inclined guide surface (4o) of the fixed cam driver (39). Then, as the movable cam driver (42) descends, the first cam slide (26) is pressed by the lower end inclined surface (43) of the movable cam driver (42) and moves toward the fixed mold (21). Move horizontally in a straight line. This movement of the first cam slide (26) causes the die blade (29) and the fixed blade part (24) of the fixed punch (23) to
The leading edge (2a) of the bent edge portion (2) of 1) is cut. The cam surface (32) of the second cam slide (31) is connected to the inclined guide surface (32) of the fixed cam driver (39).
40), the second cam slide (31)
Due to the downward pressing force of the movable base (3o), the fixed cam driver (39) descends while moving horizontally along the inclined guide surface (40). This second cam slide (
31), the movable punch (35) of the cam slide (31) fits into the punched hole (25) of the fixed mold (21) and punches the bent edge (2) of the plate-shaped workpiece (1). Tip edge (
At the same time as the cutting process of 2a), the base (2) of the edge (2) is cut.
b) is punched.
尚、上記実施例では、板状ワーク(1)の折曲端縁部(
2)の先端縁(2a)の切断加工と、該折曲端縁部(2
)の基部(2b)の孔抜き加工とを略同時に行なう場合
について説明したが、本発明はこれに限定されるわけで
はなく、平面視で略同−位置に位置する板状ワークの2
個所の加工部位を略同時にプレス加工する場合に広く通
用することができる。In addition, in the above embodiment, the bent end edge (
2) Cutting of the tip edge (2a) and the bent edge (2)
Although the case has been described in which the hole punching of the base (2b) of the work piece (2b) is carried out at the same time, the present invention is not limited to this.
This method can be widely used when press working parts are pressed at almost the same time.
本発明によれば、平面視で略同−位置に位置する板状ワ
ークの2個所の加工部位を、同一工程で略同時にプレス
加工することができる。したがって、例えば、自動車の
ボデーを構成する内外板等の板状ワークの垂下した折曲
端縁部の先端縁と該先端縁と平面視で略同−位置に位置
する折曲端縁部の基部とを略同時に切断加工および孔抜
き加工することができるので、従来の如く切断加工と孔
抜き加工とを別工程でする必要がなく、作業性の大幅な
向上を図ることができる。しかも、構造が簡単で、製作
が容易であり、コストの低減化を図ることができる。According to the present invention, two processing parts of a plate-shaped workpiece located at substantially the same position in a plan view can be press-processed at substantially the same time in the same process. Therefore, for example, the tip edge of a hanging bent edge of a plate-shaped work such as an inner and outer panel constituting the body of an automobile, and the base of the bent edge located at approximately the same position as the tip edge in plan view. Since it is possible to cut and punch holes at the same time, there is no need to perform cutting and punching in separate processes as in the past, and workability can be greatly improved. Furthermore, the structure is simple and manufacturing is easy, and costs can be reduced.
第1図は本iaUに係るプレス型の実施例を示す部分縦
断面図、第2図はその動作状態を示す部分縦断面図であ
る。第3図は従来のプレス型の部分縦断面図である。
(21)−固定型、 (22) −ワーク嵌置面、
(23)−・−・固定ポンチ、(26) −第1のカム
スライド、(29) −ダイ刃、 (31)・・・
第2のカムスライド、(35)・・−可動ポンチ、(3
9) −固定カムドライバ、(40) −(’1m斜案
内面、(42)−・−可動カムドライバ。FIG. 1 is a partial vertical cross-sectional view showing an embodiment of the press die according to the present iaU, and FIG. 2 is a partial vertical cross-sectional view showing its operating state. FIG. 3 is a partial vertical sectional view of a conventional press die. (21) - Fixed type, (22) - Workpiece placement surface,
(23) - Fixed punch, (26) - First cam slide, (29) - Die blade, (31)...
Second cam slide, (35)...-Movable punch, (3
9) - Fixed cam driver, (40) - ('1m oblique guideway, (42) - Movable cam driver.
Claims (1)
チを形成した固定型と、固定ポンチの外側近傍位置に、
予め決められた方向に直線往復移動可能に設置され、か
つ、上記固定ポンチと衝合するダイ刃を具備する第1の
カムスライドと、第1のカムスライドの上方位置に垂直
方向および水平方向に移動可能に配設され、かつ、可動
ポンチを具備する第2のカムスライドと、上記第1およ
び第2のカムスライド間に所定の間隔をおいて配設され
、上面に、固定ポンチに向って下り傾斜で、かつ、第2
のカムスライドを摺動自在に案内する傾斜案内面を形成
した固定カムドライバと、上記固定カムドライバに垂直
方向に直線往復移動可能に貫通保持され、かつ、第2の
カムスライドの昇降動作に関連して第1のカムスライド
を直線往復移動させる可動カムドライバとからなり、上
記第2のカムスライドは、下降動作時に固定カムドライ
バの傾斜案内面との当接後、該案内面にそって水平方向
へ移動しながら下降するようにしたことを特徴とするプ
レス型。(1) A fixed mold with a fixed punch that protrudes outward on the periphery of the workpiece mounting surface, and a fixed punch located near the outside of the fixed punch.
a first cam slide that is installed to be capable of linear reciprocating movement in a predetermined direction and is provided with a die blade that abuts the fixed punch; A second cam slide that is movably disposed and includes a movable punch, and is disposed at a predetermined interval between the first and second cam slides, and has an upper surface facing toward the fixed punch. On a downward slope, and on the second
a fixed cam driver formed with an inclined guide surface that slidably guides a second cam slide; and a fixed cam driver that is held through the fixed cam driver so as to be able to reciprocate in a straight line in a vertical direction, and that is related to the vertical movement of the second cam slide. and a movable cam driver that linearly reciprocates the first cam slide, and the second cam slide moves horizontally along the guide surface after coming into contact with the inclined guide surface of the fixed cam driver during the downward movement. A press type that is characterized by descending while moving in the direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10328988A JPH01273627A (en) | 1988-04-25 | 1988-04-25 | Press die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10328988A JPH01273627A (en) | 1988-04-25 | 1988-04-25 | Press die |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01273627A true JPH01273627A (en) | 1989-11-01 |
Family
ID=14350145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10328988A Pending JPH01273627A (en) | 1988-04-25 | 1988-04-25 | Press die |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01273627A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020053906A (en) * | 2000-12-26 | 2002-07-06 | 이계안 | Compound punch press |
KR100452261B1 (en) * | 2002-04-26 | 2004-10-11 | 현대자동차주식회사 | Press mold |
WO2011134447A1 (en) * | 2010-04-27 | 2011-11-03 | Läpple Werkzeugbau GmbH | Device for shaping a workpiece |
CN107876625A (en) * | 2017-11-30 | 2018-04-06 | 上汽通用五菱汽车股份有限公司 | A kind of combination hole punched device of edge-cutting and hole-punching side punching |
-
1988
- 1988-04-25 JP JP10328988A patent/JPH01273627A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020053906A (en) * | 2000-12-26 | 2002-07-06 | 이계안 | Compound punch press |
KR100452261B1 (en) * | 2002-04-26 | 2004-10-11 | 현대자동차주식회사 | Press mold |
WO2011134447A1 (en) * | 2010-04-27 | 2011-11-03 | Läpple Werkzeugbau GmbH | Device for shaping a workpiece |
CN107876625A (en) * | 2017-11-30 | 2018-04-06 | 上汽通用五菱汽车股份有限公司 | A kind of combination hole punched device of edge-cutting and hole-punching side punching |
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