JPS61154721A - Method and device for continuous blanking - Google Patents

Method and device for continuous blanking

Info

Publication number
JPS61154721A
JPS61154721A JP27437484A JP27437484A JPS61154721A JP S61154721 A JPS61154721 A JP S61154721A JP 27437484 A JP27437484 A JP 27437484A JP 27437484 A JP27437484 A JP 27437484A JP S61154721 A JPS61154721 A JP S61154721A
Authority
JP
Japan
Prior art keywords
punching
blade
punch
workpiece material
hammer
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
Application number
JP27437484A
Other languages
Japanese (ja)
Other versions
JPH0371926B2 (en
Inventor
Tomojiro Katayama
片山　友次郎
Tsutomu Sasaki
力 佐々木
Satoru Tanaka
哲 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anritsu Corp
Original Assignee
Anritsu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anritsu Corp filed Critical Anritsu Corp
Priority to JP27437484A priority Critical patent/JPS61154721A/en
Publication of JPS61154721A publication Critical patent/JPS61154721A/en
Publication of JPH0371926B2 publication Critical patent/JPH0371926B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/12—Punching using rotatable carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

PURPOSE:To enable a seamless continuous blanking by performing a blanking in the specified two stages in case of piercing a slender hole with moving the body to be worked by a punch press machine. CONSTITUTION:A blanking is subjected continuously with using a locating device 5 by moving the material 10 to be worked among the hammer 2 being provided on the main body 1 of punch press machine, a pair or punch 3 and die 6 to work the material 10. Now the blade 20being composed of the blanking edge 21 and cutting edge 22 being adjoining each other of the punch 3 is set up on the material 10. Then when the head of the punch 3 is hammered by the hammer 2, it is blanked leaving the unblanked part 1a so as to surround the prescribed place 11 of the material 10 because of the blade 20 having the prescribed shear angle theta against the material 10. With the descent of the edge 21 further the place 11 is punched off as a small piece 11a. The motion to cut off the tip part of the punched place is then repeated after punching with leaving one part same as before so as to surround the other prescribed place by moving the material 10 in the prescribed direction and by ranging on the place 11.

Description

【発明の詳細な説明】 ［産業上の利用分野１ 未発明はパンチプレス機によって被加工材料を連続的に
打抜き加工する加工方法とその装置に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a processing method and apparatus for continuously punching a workpiece material using a punch press machine.

［従来の技術］ 被加工材料を穴あけ加工する場合パンチプレス機か用い
られる。[Prior Art] A punch press machine is used to punch holes in a workpiece material.

このパンチプレス機は１分間に３４０回の打ち抜き動作
を行うため加工動作が速ぐ、被加工材料の穴あけ、せん
断をする場合の一般的な加工機となっている。This punch press machine performs punching operations 340 times per minute, so it is a general processing machine for drilling and shearing workpiece materials.

［発明か解決しようとする問題点］ しかしながら、例えば被加工物に帯状の細長い穴をあけ
る場合には一回の打ち抜き動作では穴あけすることがで
きず、被加工物を順次移動させながらハンマを往復動さ
せながら連続して打ち抜き動作を行う必要がある。[Problem to be solved by the invention] However, for example, when punching a long and narrow hole in a workpiece, the hole cannot be punched in one punching operation, and the hammer must be moved back and forth while moving the workpiece one by one. It is necessary to perform punching operations continuously while moving.

この場合、１回１］の打ち抜き動作であけた穴に連ねて
２回目の穴をあけるために、１回目の打ち抜きによる穴
と２回目の打ち抜きによる穴との間に塑性変形の違いに
よる継ぎ目を生ずる。In this case, in order to drill a second hole in succession to the hole punched in the first punching operation, a seam is created between the hole made by the first punching and the hole made by the second punching due to the difference in plastic deformation. arise.

この継ぎ目は、パンチとダイとによって打ち抜かれる各
部と、線状部とでは、力の加わりかたか異なり、塑性変
形に差をもたらすものであるが、一般的にはパンチプレ
ス機の精度が高いため、実用的にはほとんど問題になら
ないものの、光の反射等から継ぎ目があることが視覚ト
認識され、美感を損う欠点があった。The force applied to these joints differs between each part punched with a punch and die and the linear part, resulting in a difference in plastic deformation, but in general, the accuracy of the punch press machine is high, so Although this is hardly a problem in practical terms, the presence of seams can be visually recognized due to light reflection, etc., and this has the disadvantage of detracting from the aesthetic appearance.

従来はこうした継ぎ目をヤスリ等で磨き、美感を損なわ
ないようにしていたのであるが、完全に上記欠点を取り
除くことができず、また磨くのに手間がかかる問題点が
あった。Conventionally, these joints were polished with a file or the like so as not to impair their aesthetic appearance, but there were problems in that the above-mentioned defects could not be completely removed and polishing was time-consuming.

そこで本発明は継ぎ目のない新しい連続打ち抜き加工方
法とその装置を提供することを目的としている。Therefore, an object of the present invention is to provide a new seamless continuous punching method and apparatus.

Ｅ問題点を解決するための手段］ このため第１の発明の連続打抜き加工方法は。Measures to solve problem E] Therefore, the continuous punching method of the first invention is as follows.

被加工材料の所定筒所を、囲むように一部を残して打ち
抜き、続いて、該打ち抜かれた箇所の先端部を小片とし
て切り落とす動作を行ない、しかる後、被加工材料の前
記切断した所定箇所を所定方向に相対的に移動させ、前
記ハンマの次のストロークの打撃により前記切断箇所に
連ねて、新たな打抜き動作と切断動作とを紛り返して連
続的に加工することを特徴としている。A predetermined cylindrical place of the workpiece material is punched out leaving a part surrounding it, and then the tip of the punched out part is cut off as a small piece, and after that, the predetermined cut part of the workpiece material is cut off. is relatively moved in a predetermined direction, and the next stroke of the hammer connects to the cutting location, and a new punching operation and cutting operation are mixed up and processed continuously.

また−ヒ記加ＴｆｊＪＪ作を行うため、第２の発明の連
続打抜き加工装置は、プレス機本体に取り付けるハ〉′
チは、所定角度の刃面を有する打抜き刃と、その打抜き
刃に隣接して摺動自在に設けられ、前記打抜き刃の刃面
に面一の刃面を備えた切断刃とを備えており、またパン
チと対をなすダイは、前記打抜き刃の当接する部分と、
前記切断刃の当接する部分との境界に１段差部が形成さ
れていることを特徴としている。In addition, in order to perform TfjJJ work, the continuous punching device of the second invention is installed in the main body of the press machine.
The cutting blade includes a punching blade having a blade surface at a predetermined angle, and a cutting blade slidably provided adjacent to the punching blade and having a blade surface flush with the blade surface of the punching blade. , and the die paired with the punch has a portion in contact with the punching blade;
It is characterized in that a one step portion is formed at the boundary with the portion where the cutting blade comes into contact.

［実施例］ 以下図面に塞づいて本発明の加工方法とその装置の宇毒
碗ル；８ｎ士ス 第１図は本発明に用いるパンチプレス機の全体構造の斜
視図である。[Example] The following drawings illustrate the processing method and apparatus of the present invention; Figure 1 is a perspective view of the overall structure of a punch press machine used in the present invention.

第１図において、パンチプレス機本体１には平面扇形の
タレ−／　）台１ａが扇形の中心部を中心として回動自
在に支持され、このタレフト台１ａには複数対のパンチ
３及びダイ６が、一定の間隙を２＝ｉいて対向設置され
ている。In FIG. 1, a punch press machine main body 1 supports a planar fan-shaped tray/) table 1a rotatably around the center of the fan shape. are placed facing each other with a constant gap of 2=i.

またパンチプレス機本体ｌにはパンチ３の頭部」、方に
位置するようにハンマ２が設けられている。Further, a hammer 2 is provided on the punch press main body 1 so as to be located toward the head of the punch 3.

一方パンチプレス機本体ｌの前方には、被加工材料１０
をＸ軸方向、Ｙ軸方向に移動させるための位置決め装置
５が設置されている。この位置決め装置５には移動可能
なギヤ１ノツジ５ａが設置され、このキャリッジ５ａに
は被加工材料１０が固定支持される。On the other hand, in front of the punch press main body l, there is a workpiece material 10
A positioning device 5 is installed to move the machine in the X-axis direction and the Y-axis direction. A movable gear 1 notch 5a is installed in this positioning device 5, and a workpiece material 10 is fixedly supported on this carriage 5a.

被加圧材料１０は、位置決め装置５に移動可能に設置さ
れたギヤリッジ５ａによって所定の位置に移動され、こ
の状態で扇形のタレット台１ａか回動する。The pressurized material 10 is moved to a predetermined position by a gear ridge 5a that is movably installed in the positioning device 5, and in this state, the fan-shaped turret stand 1a rotates.

これに伴って所定のパンチ３とダイ６は被加工材料１０
の穴あけ位置を挾むように配置される。Along with this, the predetermined punch 3 and die 6 are
It is placed so as to sandwich the hole drilling position.

ここでパンチプレス機本体ｌに設けられたハンマ２かパ
ンチ３の頭部を叩くと、被加工材料１０に所定の穴があ
けられる。When the head of the hammer 2 or punch 3 provided on the punch press main body l is struck here, a predetermined hole is made in the workpiece material 10.

この穴あけ動作を第２図に基づいて説明する。This drilling operation will be explained based on FIG.

第２図は第１の発明の加工方法の工程を示す工程（−で
ある。FIG. 2 is a step (-) showing the steps of the processing method of the first invention.

第２図において１０は穴あけ加工する被加工材料であり
　その液加■材料１０の１一方には、ポンチ３に設けら
れた穴あけするための刃２０が配置されている。In FIG. 2, reference numeral 10 indicates a material to be drilled, and a blade 20 provided on the punch 3 for drilling is arranged on one side of the liquid-added material 10.

この刃２０はＩＬいに隣接し合う２つの打抜き刃２１と
切断刃２２から構成されている７第２図（ａ　’）はプ
レス機本体に設けられたハンマに叩かれた刃２０が被加
工材料１０に向かって、下降する様子を示したものであ
り、この下降段階では打抜き刃２１と切断刃２２とは一
体的に動いている。This blade 20 is composed of two punching blades 21 and a cutting blade 22 that are adjacent to each other.7 Figure 2 (a') shows the blade 20 being struck by a hammer provided on the press body being machined. This figure shows how it descends toward the material 10, and in this descending stage, the punching blade 21 and the cutting blade 22 are moving integrally.

更に下降が進み、刃２０が被加工材料１０にあたると第
２図（ｂ）に示すように被加工材料１０に対して刃２０
が所定のシャー角０を有するため、被加工材料１０の所
定箇所は、打ち残し部分１０ａを一部残してコ字状に打
ち抜かれる。なお、この打ち抜き動作は、コ字状だけで
なくＬ字状であってもよい。要するに、ハーフブランク
打ち抜き動作となるよう一部が切断されずに残っていれ
ばよい。When the descent further progresses and the blade 20 hits the workpiece material 10, the blade 20 will move against the workpiece material 10 as shown in FIG. 2(b).
Since it has a predetermined shear angle 0, a predetermined portion of the workpiece material 10 is punched out in a U-shape, leaving a portion of the unstamped portion 10a. Note that this punching operation may be performed not only in a U-shape but also in an L-shape. In short, it is sufficient that a portion remains uncut so as to perform a half blank punching operation.

この打ち残し部分１０ａは被加工材料１０の下に配置さ
れるダイ６によって、切断刃２２の下端か被加工材料１
０下面より下方へ進まないため形成されるものである。This uncut portion 10a is removed from the lower end of the cutting blade 22 by a die 6 disposed below the workpiece material 10.
It is formed because it does not go below the 0 lower surface.

このため、コ字形に切断された打ち抜き箇所１１は、打
ち残し部分１０ａに沿って折り曲げられる。Therefore, the U-shaped punched portion 11 is bent along the uncut portion 10a.

しかし第２１Ｋ（ｃ）に示すように打抜き刃２１のほう
は更に下方へ進むため、打ち抜かれた打ち抜き箇所１１
の先端部は小片１１ａとして打抜き落とされる。この小
片１１ａの打抜き落としが終わると、打抜き刃２１及び
切断刃２０は一体的第２図（ｄ）に示すように上昇し、
被加工材料１０を離れる。However, as shown in No. 21K(c), the punching blade 21 moves further downward, so the punched out part 11
The tip is punched out as a small piece 11a. When the punching out of the small piece 11a is completed, the punching blade 21 and the cutting blade 20 are raised integrally as shown in FIG. 2(d),
Leaves the workpiece material 10.

ここまでの過程までがハンマの１ストロークの打撃作業
中に行なわれる。The steps up to this point are performed during one stroke of the hammer.

ここで被加工材料１０は図示しない位置決め装置によっ
て、刃２０に対して相対的に移動し、第１図（ｅ）に示
すように切断された箇所１１に連ねて再び第２図（ａ）
から第２図（ｄ）に図示する動作が行なわれる。Here, the workpiece material 10 is moved relative to the blade 20 by a positioning device (not shown), and is aligned with the cut portion 11 as shown in FIG. 1(e), and again as shown in FIG. 2(a).
From then on, the operation shown in FIG. 2(d) is performed.

第２図（ｆ）はこのように切断、打ち抜き動作か繰り返
されて、被加工材料１０に帯状の細長い孔１２が形成さ
れる最終的な段階を示したものである。図に示すように
、本発明の加工方法によって被加工材料１０に帯状の細
長い孔１２を形成する場合には、形成する孔の最後端を
図示しない金型回転装置によって、ポンチ３及びダイ６
を１８０″回転させ一度逆向きに切断、打抜いてから、
最先端から連続的に打抜き加圧を施こして帯状の孔１２
を形成する。FIG. 2(f) shows the final stage in which the cutting and punching operations are repeated in this way to form a strip-like elongated hole 12 in the workpiece material 10. As shown in the figure, when forming a strip-shaped, elongated hole 12 in a workpiece material 10 by the processing method of the present invention, the rearmost end of the hole to be formed is moved by a punch 3 and a die 6 by a mold rotating device (not shown).
Rotate it 180″, cut it in the opposite direction once, punch it out, and then
A band-shaped hole 12 is formed by continuously punching and applying pressure from the leading edge.
form.

次に上記打抜き加工方法を実施するために使用する第２
の発明である装置の実施例について説明する。Next, the second die used to carry out the above-mentioned punching method
An embodiment of the device according to the invention will be described.

第３図はその加工装置の第１の実施例を示すための一部
切欠き斜視図であり、第４図はその要部の分解斜視図で
ある。FIG. 3 is a partially cutaway perspective view showing the first embodiment of the processing apparatus, and FIG. 4 is an exploded perspective view of the main parts thereof.

第３図に示すようにパンチ３は、上端にフランジ４１を
取付けた中空筒状のパンチホルダ４の内部に収納保持さ
れるとともに、支持ボルト４２によって位ｙ１がずれな
いよう調整されている。As shown in FIG. 3, the punch 3 is housed and held inside a hollow cylindrical punch holder 4 having a flange 41 attached to the upper end thereof, and is adjusted by a support bolt 42 so that its position y1 does not shift.

そしてフランジ４１とパンチ３の頭部に取付けられるパ
ンチへラド３１との間に介在させながら装着される冊へ
ネ５０によって、パンチホルタ４内を摺動自在に動くパ
ンチ３に、抑圧に対する付勢力を与えている。A biasing force against oppression is applied to the punch 3 that is slidably moving inside the punch holder 4 by a book head screw 50 that is attached between the flange 41 and the punch head 31 that is attached to the head of the punch 3. giving.

このパンチ３は第４図に示すように、パンチヘッド３１
．打抜き刃２１を具備する第１の金型３２、切断刃２２
をＪｔ−備する第２の金型３３を有している。This punch 3 has a punch head 31 as shown in FIG.
．． A first mold 32 equipped with a punching blade 21 and a cutting blade 22
It has a second mold 33 having Jt-.

このうち第１の金型３２は、円柱状の鋼材を切削加工し
て作られたもので、途中から径か大きくなっている。こ
の円柱体の下方の先端部片側に所定のシャー角０（例え
ば、２１ｂｍのアルミ板鋼板のとき約５°）を有する長
方体形状の打抜き刃２１をイイしている。中央部下方の
手内部分は切り欠かれて打抜き刃２１に対し所定の段差
を有している。中央の径が太くなった切り落とし部分３
２ａには、支持杆３４をネジ止めするだめの２個のネジ
穴３２ｂが形成されている。Among these, the first mold 32 is made by cutting a cylindrical steel material, and the diameter increases from the middle. A punching blade 21 in the shape of a rectangular parallelepiped having a predetermined shear angle of 0 (for example, about 5° in the case of a 21 bm aluminum plate steel plate) is provided on one side of the lower tip of the cylindrical body. The inner portion below the center is cut out and has a predetermined step with respect to the punching blade 21. Cut off part 3 with a thicker center diameter
Two screw holes 32b for screwing the support rod 34 are formed in 2a.

また第２の金型３３は、打抜き刃２１の長さよりｙυい
寸法の円柱体を切削却下して得たものであり、円柱体の
右手内部分に打抜き刃２１を摺動自在に案内するための
長方形状の案内孔３３ａを形成し、左半内部分の先端に
所定のシャー角θを有する長方体形状の切断刃２２を突
出させである。The second mold 33 is obtained by cutting a cylindrical body having a dimension yυ longer than the length of the punching blade 21, and is used to slidably guide the punching blade 21 to the right-hand inner part of the cylindrical body. A rectangular guide hole 33a is formed, and a rectangular cutting blade 22 having a predetermined shear angle θ is projected from the tip of the left half portion.

この突出させた切断刃２２の両脇には、支持杆３４を貫
通ずるために２個の貫通孔３３ｂが形成されている。Two through holes 33b are formed on both sides of the protruding cutting blade 22 for passing through the support rod 34.

この第１の金型３２と第２の金型３３は次のように組合
わされる。すなわち、第１の金型から突出する打抜き刃
２１が、第２の金型に形成された案内孔３３ａ内で摺動
するように組み合せられる。打抜き刃２１は、第１の金
型に形成された切り落とし部分３２ａに２個の支持用コ
イルバネ３５を介在させながら装着され、第２の金型３
３の下方から２本の棒状の支持杆３４を、第１の金型３
３に形成した貫通孔３３ｂと支持用スプリング３５とを
貫通するように差し込み、第１の金型３２に形成したネ
ジ穴３２ｂにネジ止めする。The first mold 32 and the second mold 33 are combined as follows. That is, the punching blade 21 protruding from the first mold is combined so as to slide within the guide hole 33a formed in the second mold. The punching blade 21 is attached to a cut-off portion 32a formed in the first mold with two support coil springs 35 interposed therebetween, and the punching blade 21 is inserted into the second mold 3.
The two rod-shaped support rods 34 are attached to the first mold 3 from below.
The support spring 35 is inserted so as to pass through the through hole 33b formed in the first mold 32, and screwed into the screw hole 32b formed in the first mold 32.

更に、第１の金型３３の１−面には、その上面の半径よ
りやや大きめの径の円盤状のパンチへラド３１が乗せら
れている。パンチヘッド３１は、パンチヘッド３１に形
成されたボルト穴３１ａ及び第１の金型３２の上面に形
成されたネジ穴３２ｃをネジ３６によってネジ＋めする
ことにより第１の金型３２に固定させる。Further, on the first surface of the first mold 33, a disk-shaped punch 31 having a diameter slightly larger than the radius of the upper surface thereof is placed. The punch head 31 is fixed to the first mold 32 by screwing a bolt hole 31a formed in the punch head 31 and a screw hole 32c formed in the upper surface of the first mold 32 with a screw 36. .

このように組み合わせられたパンチ３は、打抜き刃２１
が案内孔３３ａに摺動自在にはめ込まれる。したがって
切断刃２２は、案内孔３３ａに案内されて切断刃２２の
右側面が打抜き刃２１の左側面を摺るようにして、打抜
き刃２１に対して上下に摺動自在となる。また、支持用
コイルバネ３５の付勢力により、力が加わらない状態で
切断刃２２の刃面と打抜き刃？ｌの刃面とは一直線上に
位置するようになっている。The punch 3 combined in this way has a punching blade 21
is slidably fitted into the guide hole 33a. Therefore, the cutting blade 22 is guided by the guide hole 33a, and the right side surface of the cutting blade 22 slides on the left side surface of the punching blade 21, so that it can freely slide up and down with respect to the punching blade 21. Also, due to the biasing force of the supporting coil spring 35, the blade surface of the cutting blade 22 and the punching blade are connected to each other in a state where no force is applied. It is positioned in a straight line with the blade surface of l.

この第１の実施例においては、打抜き刃２１が第２の金
型３３に形成された案内孔３３ａに案内されているため
、第１の金型と第２の金型の位置関係がずれない利点が
ある。In this first embodiment, since the punching blade 21 is guided to the guide hole 33a formed in the second mold 33, the positional relationship between the first mold and the second mold does not shift. There are advantages.

第２の実施例は第５図の一部切欠き斜視図と第６図の要
部の分解斜視図に示されている６第２の実施例では、第
６図に示すように、第２の金型３３が、第１の実施例の
ように円柱体に切断刃２２と案内孔３３ａを形成したも
のではなく１円柱体の右半分を縦割すして、断面が半円
状の柱体としたものとなっている。The second embodiment is shown in a partially cutaway perspective view in FIG. 5 and an exploded perspective view of main parts in FIG. The mold 33 is not a cylindrical body with a cutting blade 22 and a guide hole 33a formed therein as in the first embodiment, but a cylindrical body having a semicircular cross section by vertically splitting the right half of the cylindrical body. It has become.

そして縦割した切断面が、：５１の金型３２に形成され
た切り落とし部３２ａの切断面に当接させ、回りのパン
チホルタ４によって第１の金型３２と第２の金型３３の
位置関係がずれないように押えである。Then, the vertically divided cut surface is brought into contact with the cut surface of the cut-off part 32a formed in the mold 32 of :51, and the positional relationship between the first mold 32 and the second mold 33 is determined by the surrounding punch holder 4. Use a presser foot to keep it in place.

この第２の実施例では第２の金型３３の製造が簡単であ
るという利点を有する。This second embodiment has the advantage that the second mold 33 is easy to manufacture.

なお第１及び第２の実施例を通して打抜き刃２１と切断
刃２２の形状はその断面が長方形となっているが必ずし
もこのようにする必要はなく、例えば長方形の４隅の角
取りをして円孤状の丸みをつけてもよい。Although the shapes of the punching blade 21 and the cutting blade 22 in the first and second embodiments are rectangular in cross section, they do not necessarily have to be shaped like this; for example, the four corners of the rectangle may be rounded to form a circle. You can also add arc-shaped roundness.

一方、被加工材料を加工するのにパンチと対になるダイ
６は、第１及び第２の実施例を通して同じものであり、
第４図及、び第５図に示すように基台６１に打抜き刃２
１が当接する部分と切断刃２２の当接する部分に打抜き
刃２１と切断刃２２の断面に合わせて、長方形状の凹部
６１ａ。On the other hand, the die 6 paired with the punch for processing the workpiece material is the same throughout the first and second embodiments,
As shown in FIGS. 4 and 5, the punching blade 2 is attached to the base 61.
A rectangular recess 61a is formed in the area where the punching blade 1 contacts and the cutting blade 22 contact, in accordance with the cross sections of the punching blade 21 and the cutting blade 22.

６１ｂを形成したものである。61b is formed.

この凹部６１ａ、６１ｂのうち打抜き刃２１の当接する
部分の凹部６１ａの方が切断刃２２の当接する部分の凹
部ｓｔｂより深くなっており、凹部６１ａと凹部６１ｂ
との境界部分には段差部６ａが形成されている。Of the recesses 61a and 61b, the recess 61a in the part that the punching blade 21 contacts is deeper than the recess stb in the part that the cutting blade 22 contacts, and the recess 61a and the recess 61b
A step portion 6a is formed at the boundary between the two.

この場合凹部６１ａ、６１ｂ自体の形状は何ら限定する
必要はなく、境界部分の段差部６ａが形成されていれば
よい。In this case, there is no need to limit the shape of the recesses 61a, 61b themselves, as long as the stepped portion 6a at the boundary portion is formed.

また、基台６１自体の形状も図示のように円柱体である
必要はなく、四部６１ａ、６１ｂか形成できるものであ
ればよい。Further, the shape of the base 61 itself does not have to be a cylinder as shown in the figure, but may be any shape as long as it can form four parts 61a and 61b.

次に第２の発明である打抜き加圧装置の作用を第７図に
示す動作図に基づいて説明する。Next, the operation of the punching press device according to the second invention will be explained based on the operation diagram shown in FIG.

第７図（ａ）乃至第７図（ｂ）は、打抜き加工装置が被
加工材料１０を打抜き、切断前［する工程を示したもの
である。FIG. 7(a) to FIG. 7(b) show a process in which the punching device punches out the workpiece material 10 and before cutting it.

第７ｒａ（ａ）はプレス機本体に設けられた図示しない
ハンマが、まだパンチ３を叩かない前の状態を示してお
り、この状ｊ８では皿／ヘネ５０及び支持用コイルバネ
３５は伸び切って、打抜き刃２１と切断刃２２の刃面ば
同一直線りに位置している。No. 7 ra(a) shows a state before the hammer (not shown) provided on the press body has yet struck the punch 3, and in this state j8, the dish/henne 50 and the support coil spring 35 are fully extended, The blade surfaces of the punching blade 21 and the cutting blade 22 are located on the same straight line.

ここで第７図（ｂ）に示すように図示しないハンマが、
パンチへット３１の頭を叩くと１皿バネ５０は次第に縮
むとともにパンチ３は下降する。Here, as shown in FIG. 7(b), a hammer (not shown)
When the punch head 31 is hit on the head, the one plate spring 50 gradually contracts and the punch 3 descends.

これに伴って打抜き刃２１及び切断刃２２の刃面は被加
工材料１０の表面に当接するようになる。Accordingly, the blade surfaces of the punching blade 21 and the cutting blade 22 come into contact with the surface of the workpiece material 10.

この状態では、打抜き刃２１と切断刃２２の刃面には外
力が加わっていないので、打抜き刃２１と切断刃２２は
一体的に動いている。In this state, since no external force is applied to the blade surfaces of the punching blade 21 and the cutting blade 22, the punching blade 21 and the cutting blade 22 are moving integrally.

更に進んで第７図（Ｃ）に示すようにパンチ３が下降し
、切断刃２２の刃面か、ダイ６の四部６１ｂの底部に当
接するまでの過程においては。Further, as shown in FIG. 7(C), the punch 3 descends until it comes into contact with the blade surface of the cutting blade 22 or the bottom of the four parts 61b of the die 6.

支持用コイルバネ３５のバネ定数が大きいので、支持用
コイルパ２３５が縮まず、打抜き刃２１と切断刃２２は
一体的に動く、この一体的な動きに基づいて、被加工材
料１０は切り残し部分１０ａを残してコ字形に切断され
、切断された筒所１１は切り残し部分１０ａに沿って次
第に折り曲がる。Since the spring constant of the supporting coil spring 35 is large, the supporting coil spring 235 does not shrink, and the punching blade 21 and the cutting blade 22 move integrally. Based on this integral movement, the workpiece 10 is removed from the uncut portion 10a. The cut tube 11 is cut into a U-shape leaving a portion left behind, and the cut cylindrical portion 11 is gradually bent along the uncut portion 10a.

しかる後、第７図（ｄ）に示すように、切断刃２２の方
はダイ６の四部６１ｂの底部にあたってそれ以上下降し
なくなり、支持用コイルバネ３５が次第に縮むようにな
る。このとき、打抜き刃２１の方は更に下降し、この下
降の段階でコ字形に打ち抜かれた箇所１１の一部を、小
片１１ａとして打抜き落とし、パンチ３が下死点まで達
した後、皿／ヘネ５０の付勢力によりパンチ３は上昇す
る。After that, as shown in FIG. 7(d), the cutting blade 22 hits the bottom of the four parts 61b of the die 6 and does not descend any further, and the supporting coil spring 35 gradually contracts. At this time, the punching blade 21 further descends, and at this stage of descent, a part of the U-shaped punched area 11 is punched out as a small piece 11a, and after the punch 3 reaches the bottom dead center, the plate/ The punch 3 rises due to the biasing force of the hene 50.

この第７図Ｃａ　）から第７図（ｄ）に示すまでの過程
が、プレス機本体に設けられたハンマの１ストロークの
過程中に行なわれる。The processes shown in FIG. 7(ca) to FIG. 7(d) are performed during one stroke of the hammer provided in the press body.

［発明の効果］ 以上、説明したようにこの発明の加工方法によれば、被
加工材料の所定箇所を囲むように一部を残して打ち抜き
、その後打ち抜かれた箇所の先端部を小片として切り落
し以後、打ち抜き箇所に連ねて打ち抜き動作と切り落し
動作を連続的に被加工材料を移動させながら行い、打ち
抜き箇所を小片として切り落しながら連続打抜き加工を
施こすので、従来の打抜き加工のように、打ち抜きのた
びに生ずる各部の塑性変形と直線部の塑性変形の違いに
よる継ぎ目を生じなくなり、美感を損なわない。しかも
、打ち抜かれた箇所は次々に小片として切り落とされる
ので、加重箇所の大小にかかわらず、高速で連続的に打
ち抜くことができる。[Effects of the Invention] As explained above, according to the processing method of the present invention, a workpiece material is punched out leaving a part surrounding a predetermined part, and then the tip of the punched part is cut off as a small piece. , the punching operation and cutting-off operation are performed while continuously moving the workpiece material in series with the punching point, and continuous punching is performed while cutting off the punched portion as small pieces. Seams due to the difference between plastic deformation of each part and straight parts that occur in the straight parts are eliminated, and the aesthetic appearance is not impaired. Furthermore, since the punched parts are cut off into small pieces one after another, it is possible to punch out continuously at high speed, regardless of the size of the loaded part.

また、この発明の加圧装置によれば、１個のパ／チ内に
所定の角度を有した面一となる切断刃と打抜き刃とを互
いに摺動自在となるように設けたので、ハンマの１スト
ローク打撃中に、被加工材料の所定箇所を囲むように−
・部を残して切断し、続いて、打ち抜いた箇所の１部を
小片として打抜、！落とすことができ、シャーリングを
用いてＪ！！続的になめらかに被加工材料を切断するの
と同様の効果を奏することができる。Further, according to the pressurizing device of the present invention, since the cutting blade and the punching blade, which are flush with each other and have a predetermined angle, are provided in one pouch so as to be slidable relative to each other, the hammer During one stroke of impact, -
・Cut the part leaving a part, then punch out part of the punched part as a small piece! You can drop it and use shirring to make J! ! The same effect as cutting the workpiece material continuously and smoothly can be achieved.

【図面の簡単な説明】[Brief explanation of drawings]

第１図はパンチプレス機の全体構造を示す斜視図、第２
図（ａ）乃至第２図（ｆ）は第１の発明の連続打抜き加
工方法の１程を示す工程図、第３図及び第４図は第２の
発明の連続打抜き加工装置の第１の実施例を示す一部切
欠き斜視図とその要部の分解斜視図、第５図及び第６図
は第２の発明の連続打抜き加圧装置の第２の実施例を示
す一部切欠き斜視図とその要部の分解斜視図、第７図は
第２の発明の連続打抜き加工装置の加工動作を示を動作
図である。 ｌ・・・・・・パンチプレス機本体、２・・・・・・ハ
ンマ、３・・・・・・パンチ、５・・・・・・位置決め
装置。 ６・・・・・・ダイ、６ａ・・・・・・段差部、１０・
・・・・・被加工材料、ｌｏａ・・・・・・切り残し部
分、１１・・・・・・切断箇所、２０・・・・・・刃、
２１・・・・・・切断刃、２２・・・・・・打抜き刃、
３２・・・・・・第１の金型、３３・・・・・・′：Ｊ
Ｊ２の金型。Figure 1 is a perspective view showing the overall structure of the punch press machine, Figure 2
Figures (a) to 2(f) are process diagrams showing step 1 of the continuous punching method of the first invention, and Figures 3 and 4 are process diagrams showing the first step of the continuous punching apparatus of the second invention. A partially cutaway perspective view showing an embodiment and an exploded perspective view of its essential parts, FIGS. 5 and 6 are partially cutaway perspective views showing a second embodiment of the continuous punching pressurizing device of the second invention. FIG. 7 is an exploded perspective view of the main parts thereof, and FIG. 7 is an operation diagram showing the processing operation of the continuous punching apparatus of the second invention. l...Punch press machine body, 2...Hammer, 3...Punch, 5...Positioning device. 6... Die, 6a... Step portion, 10.
...Work material, loa...Uncut portion, 11...Cut point, 20...Blade,
21... Cutting blade, 22... Punching blade,
32...First mold, 33...':J
J2 mold.

Claims (2)

【特許請求の範囲】[Claims] （１）プレス機本体（１）に設けられたハンマ（２）と
；被加工材料（１０）を加工する一対のパンチ（３）及
びダイ（６）と；該パンチ（３）とダイ（６）との間に
配置された被加工材料（１０）を移動し、位置決めする
位置決め装置（５）とを用いて被加工材料（１０）に連
続的な打抜き加工を施こす連続打抜き加工方法において
、 前記ハンマ（２）の１ストロークの打撃により被加工材
料（１０）の所定箇所を囲むように一部を残して打ち抜
き、続いて、該打ち抜かれた箇所の先端部を小片（１１
ａ）として切り落とす動作を行ない、しかる後、前記位
置決め装置（５）により被加工材料（１０）の前記切断
した所定箇所を所定方向に相対的に移動させ、前記ハン
マの次のストロークの打撃により前記切断箇所に連ねて
他の所定箇所を囲むように一部を残して打抜き、打ち抜
かれた箇所の先端部を小片として切り落とす動作を繰り
返すことにより、被加工材料に連続した打抜き加工を施
こすことを特徴とする連続打抜き加工方法。(1) A hammer (2) provided on the press body (1); a pair of punches (3) and a die (6) for processing the workpiece material (10); the punch (3) and the die (6); ) in a continuous punching method in which a workpiece material (10) is continuously punched using a positioning device (5) that moves and positions the workpiece material (10), With one stroke of the hammer (2), the workpiece material (10) is punched out leaving a part surrounding a predetermined part, and then the tip of the punched part is cut into a small piece (11).
The cutting operation is performed as a), and then the positioning device (5) moves the predetermined cut portion of the workpiece material (10) relatively in a predetermined direction, and the next stroke of the hammer strikes the cut portion. By repeating the process of punching out a part in series with the cutting point and leaving a part surrounding other predetermined parts, and cutting off the tip of the punched part as a small piece, it is possible to perform a continuous punching process on the workpiece material. A distinctive continuous punching method. （２）プレス機本体１に設けられたハンマ２と； 被加工材料（１０）を加工する一対のパンチ（３）及び
ダイ（６）と；該パンチ（３）とダイ（６）との間に配
置された被加工材料（１０）を移動し、位置決めする位
置決め装置（５）とを用いて連続的に打抜き加工を施こ
す連続打抜き加工装置において： 前記パンチ（３）は、所定角度の刃面を有する打抜き刃
（２１）と； 該打抜き刃に隣接して該打抜き刃に対して摺動自在に設
けられ、前記打抜き刃の方面に面一の刃面を備えた切断
刃（２２）を有し、 前記ダイ（６）には、前記パンチの打抜き刃に対応する
部分と前記パンチの切断刃に対応する部分との境界に段
差部（６ａ）を形成したことを特徴とする連続打抜き加
工装置。(2) A hammer 2 provided in the press body 1; A pair of punches (3) and a die (6) for processing the workpiece material (10); Between the punch (3) and the die (6) In a continuous punching device that performs continuous punching using a positioning device (5) that moves and positions a workpiece material (10) placed in a a punching blade (21) having a surface; a cutting blade (22) provided adjacent to the punching blade so as to be slidable relative to the punching blade and having a blade surface flush with the punching blade; Continuous punching, characterized in that the die (6) has a stepped portion (6a) formed at the boundary between a portion corresponding to the punching blade of the punch and a portion corresponding to the cutting blade of the punch. Device.
JP27437484A 1984-12-28 1984-12-28 Method and device for continuous blanking Granted JPS61154721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27437484A JPS61154721A (en) 1984-12-28 1984-12-28 Method and device for continuous blanking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27437484A JPS61154721A (en) 1984-12-28 1984-12-28 Method and device for continuous blanking

Publications (2)

Publication Number Publication Date
JPS61154721A true JPS61154721A (en) 1986-07-14
JPH0371926B2 JPH0371926B2 (en) 1991-11-15

Family

ID=17540764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27437484A Granted JPS61154721A (en) 1984-12-28 1984-12-28 Method and device for continuous blanking

Country Status (1)

Country Link
JP (1) JPS61154721A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34602E (en) * 1986-11-19 1994-05-10 Amada Company, Ltd. Multistroke punching method and apparatus therefor
EP0629457A2 (en) * 1993-05-26 1994-12-21 RAINER S.r.l. Punching machine
US5499566A (en) * 1993-08-17 1996-03-19 Amada Metrecs Company, Limited Follow-up slotting tool
DE20020499U1 (en) 2000-12-02 2001-03-15 Trumpf GmbH + Co., 71254 Ditzingen Tool for slitting plate-like workpieces
DE20020500U1 (en) 2000-12-02 2001-03-15 Trumpf GmbH + Co., 71254 Ditzingen Tool for slitting plate-like workpieces
JP2007253225A (en) * 2006-03-24 2007-10-04 Amada Co Ltd Bending die in punch press and working method using the bending die
JP2009113057A (en) * 2007-11-02 2009-05-28 Amada Co Ltd Nibbling method and punch press used for the method
KR102161435B1 (en) * 2019-12-30 2020-10-05 이정수 Wheel type shear tooling for punch press

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE34602E (en) * 1986-11-19 1994-05-10 Amada Company, Ltd. Multistroke punching method and apparatus therefor
EP0629457A2 (en) * 1993-05-26 1994-12-21 RAINER S.r.l. Punching machine
EP0629457A3 (en) * 1993-05-26 1995-07-26 Rainer Srl Punching machine.
US5499566A (en) * 1993-08-17 1996-03-19 Amada Metrecs Company, Limited Follow-up slotting tool
DE20020499U1 (en) 2000-12-02 2001-03-15 Trumpf GmbH + Co., 71254 Ditzingen Tool for slitting plate-like workpieces
DE20020500U1 (en) 2000-12-02 2001-03-15 Trumpf GmbH + Co., 71254 Ditzingen Tool for slitting plate-like workpieces
WO2002043892A3 (en) * 2000-12-02 2002-07-25 Trumpf Gmbh & Co Tool for the perforation of planiform workpieces
WO2002043891A3 (en) * 2000-12-02 2002-08-01 Trumpf Gmbh & Co Tool for the perforation of planiform workpieces
JP2007253225A (en) * 2006-03-24 2007-10-04 Amada Co Ltd Bending die in punch press and working method using the bending die
JP2009113057A (en) * 2007-11-02 2009-05-28 Amada Co Ltd Nibbling method and punch press used for the method
KR102161435B1 (en) * 2019-12-30 2020-10-05 이정수 Wheel type shear tooling for punch press

Also Published As

Publication number Publication date
JPH0371926B2 (en) 1991-11-15

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