JPH0788050B2 - Die cutter and manufacturing method thereof - Google Patents

Die cutter and manufacturing method thereof

Info

Publication number
JPH0788050B2
JPH0788050B2 JP2106135A JP10613590A JPH0788050B2 JP H0788050 B2 JPH0788050 B2 JP H0788050B2 JP 2106135 A JP2106135 A JP 2106135A JP 10613590 A JP10613590 A JP 10613590A JP H0788050 B2 JPH0788050 B2 JP H0788050B2
Authority
JP
Japan
Prior art keywords
die cutter
blade
present
manufacturing
cemented carbide
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 - Fee Related
Application number
JP2106135A
Other languages
Japanese (ja)
Other versions
JPH044135A (en
Inventor
国広 田渕
Original Assignee
東亜機工株式会社
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 東亜機工株式会社 filed Critical 東亜機工株式会社
Priority to JP2106135A priority Critical patent/JPH0788050B2/en
Publication of JPH044135A publication Critical patent/JPH044135A/en
Publication of JPH0788050B2 publication Critical patent/JPH0788050B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明はダイカッターおよびその製造方法に関する。さ
らに詳しくは、サニタリー用品製造機に組込まれるダイ
カッターユニットや各種ラベル、各種パッキン、各種紙
容器、包装印刷用機材などの曲線カットに用いられるダ
イカッターユニットにおいて使用されるダイカッターお
よびその製造方法に関する。The present invention relates to a die cutter and a method for manufacturing the same. More specifically, the present invention relates to a die cutter unit incorporated in a sanitary ware manufacturing machine, various labels, various packings, various paper containers, die cutters used in curved die cutting units for packaging printing equipment, and a method for manufacturing the same. .

すなわち。本発明が適用されるダイカッターユニット
は、紙や繊維、合成樹脂フィルムを供給、成形、包装す
る自動機械に組込まれて前記材料を適宜の寸法、形状に
カットする装置である。Ie. The die cutter unit to which the present invention is applied is an apparatus that is incorporated in an automatic machine that supplies, molds, and wraps paper, fibers, and synthetic resin films, and cuts the material into appropriate sizes and shapes.

［従来の技術］ 従来よりダイカッターユニットは、ダイカッター、アン
ビルおよびフレームから構成されている。ダイカッター
とアンビルは対向するようにフレーム内で支持され、材
料がダイカッターとアンビルの間を通過する時にダイカ
ッターのブレードによって切断されるようになってい
る。[Prior Art] Conventionally, a die cutter unit includes a die cutter, an anvil, and a frame. The die cutter and anvil are supported oppositely in the frame so that the material is cut by the blades of the die cutter as it passes between the die cutter and anvil.

ところで、従来のダイカッターはSKHまたはSKDなどの工
具鋼製の丸棒から削り出し加工によりブレードに仕上げ
ていた。By the way, the conventional die cutter has finished the blade by cutting out from a round bar made of tool steel such as SKH or SKD.

これらの工具鋼製のブレードは硬度がHRC60〜65であ
り、冷間金形用にも使用されるほど耐摩耗性にすぐれて
いるものであるが、それでも寿命に制限があり、たとえ
ば、サニタリーナプキンのカッティング寿命が約500万
ピース、パンツ型紙オムツのカッティング寿命が約300
万〜500万ピースであった。These tool steel blades have a hardness of HRC60 to 65 and are excellent in wear resistance so that they can be used for cold dies, but they still have a limited service life, for example, sanitary napkins. Has a cutting life of about 5 million pieces, and a pants pattern diaper has a cutting life of about 300.
It was 10 to 5 million pieces.

そして、寿命がくればダイカッターを取り外して研磨し
なければならず、その都度製造工程を停止させてしまう
ので、サニタリー用品などの製造コストを低下させるた
めには、ダイカッターの寿命をできるだけ長く延ばすこ
とが強く要望されていた。Then, when the life of the die cutter is reached, the die cutter must be removed and polished, and the manufacturing process is stopped each time.In order to reduce the manufacturing cost of sanitary products, the life of the die cutter is extended as long as possible. Was strongly requested.

［発明が解決しようとする課題］ 本発明は叙上の事情に鑑み、寿命を飛躍的に向上させた
ダイカッターを提供することを目的とする。[Problems to be Solved by the Invention] In view of the above circumstances, an object of the present invention is to provide a die cutter having a dramatically improved life.

また本発明は、従来の技術常識を打ち破って、超硬合金
を材料として使用することを可能にしたダイカッターの
製造方法を提供することを目的とする。It is another object of the present invention to provide a method for manufacturing a die cutter that breaks the conventional technical common sense and allows cemented carbide to be used as a material.

［課題を解決するための手段］ 本発明のダイカッターは、カッターロールの表面に超硬
合金製のブレード材を高エネルギー熱源を用いて溶着
し、そのブレード材を放電加工により研磨して刃に形成
したことを特徴とする。[Means for Solving the Problem] A die cutter of the present invention is a blade of a cemented carbide welded to a surface of a cutter roll by using a high energy heat source, and the blade is polished by electric discharge machining to form a blade. It is characterized by being formed.

本発明における超硬合金は、WC-Co系超硬合金でもWC-Ti
C-Co系超硬合金でも用いることができる。なお、カッタ
ーロールの材質は機械構造用炭素綱など任意の材料を用
いることができる。The cemented carbide in the present invention is WC-Ti even if it is a WC-Co type cemented carbide.
It can also be used with C-Co based cemented carbide. The material of the cutter roll may be any material such as carbon steel for machine structure.

本発明に関わるダイカッターの製造方法は、カッターロ
ールの表面に超硬合金製のブレード材を高エネルギー熱
源を用いて溶着し、ついで前記ブレード材を放電加工に
より研磨して刃を形成することを特徴とする。The method for manufacturing a die cutter according to the present invention, a blade material made of cemented carbide is welded to the surface of a cutter roll by using a high energy heat source, and then the blade material is polished by electric discharge machining to form a blade. Characterize.

本発明にいう「高エネルギー熱源を用いた溶着とは、電
子ビーム溶接やレーザ溶接、ガス溶接など高熱による溶
融現象を利用した精密溶接をいう。The term "welding using a high energy heat source" as used in the present invention means precision welding utilizing a melting phenomenon due to high heat such as electron beam welding, laser welding and gas welding.

［作用］ 本発明のダイカッターにおけるブレードは超硬合金のた
め、硬度がHRA88〜91であり非常に耐磨耗性が高いもの
である。また耐圧力、耐衝撃性にも優れている。したが
って、ブレード寿命が非常に長く、たとえばサニタリー
ナブキンのカッティング寿命は約1500万〜１億ピースに
伸び、従来の鋼製ブレードの３〜20倍の寿命を達成し
た。またパンツ型紙オムツについてのカッティング寿命
は約1500万〜3000万ピースに伸び、３〜10倍の寿命を達
成した。[Operation] Since the blade in the die cutter of the present invention is a cemented carbide, it has a hardness of HRA 88 to 91 and extremely high wear resistance. It also has excellent pressure resistance and impact resistance. Therefore, the blade life is very long, for example, the cutting life of sanitary napkins has been extended to about 15 million to 100 million pieces, which is 3 to 20 times longer than that of conventional steel blades. The cutting life of pants-type paper diapers has been extended to about 15 to 30 million pieces, which is 3 to 10 times longer.

本発明におけるダイカッターの製造方法によれば、従来
の技術常識として考えられていなかった超硬合金製のブ
レードをロール表面に形成することができる。すなわ
ち、従来の技術常識では超硬合金は刃付成形や機械加工
が困難か不可能であるため、超硬合金そのものが高硬度
を有していることを知りながらも、それをブレード材料
として用いることは業界の誰もが考えていなかったので
ある。According to the method for manufacturing a die cutter of the present invention, it is possible to form a blade made of a cemented carbide on the roll surface, which is not considered as a conventional technical common sense. That is, according to the conventional technical common knowledge, since cemented carbide is difficult or impossible to form with a blade or machined, it is used as a blade material even though it is known that the cemented carbide itself has high hardness. That was not considered by anyone in the industry.

しかしながら本発明の製造方法は、高エネルギー熱源で
ブレードをロール表面に融着させることにより刃付成形
を容易にし、機械加工を用いることなく放電加工によっ
てダイカッターの縦、横、高さの三次元研磨を可能にす
ることができた。このように本発明は、高密度エネルギ
ー融着と放電加工を組み合わせることにより、はじめて
超硬合金製ブレードを備えたダイカッターの量産技術を
確立することができたのであり、また低コストで生産す
ることが可能となったのである。However, the manufacturing method of the present invention facilitates blade forming by fusing the blade to the roll surface with a high-energy heat source, and the die cutter length, width, and three-dimensional height by electric discharge machining without using machining. It was possible to enable polishing. As described above, the present invention was able to establish the mass production technology of the die cutter equipped with the cemented carbide blade for the first time by combining the high-density energy fusion and the electric discharge machining, and also produced at a low cost. It has become possible.

［実施例］ つぎに本発明の実施例を図面に基づき説明する。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.

第１〜第２図はいずれもダイカッター１の一例を示して
いる。２はロール、３はシャフトであり、ロール２の材
質としては、S45CやS35Cなどの構造用炭素綱を用い、耐
圧力性、耐衝撃性を持たせている。そして、ロール２の
表面には超硬合金製のブレード４が形成されている。ブ
レード４の形状はカッティングすべきサニタリー用品な
どの形状に合わせて種々に形成される。第１〜２図のブ
レード形状はあくまでも一例であって、これらに限定さ
れないことはもちろんである。1 and 2 each show an example of the die cutter 1. Reference numeral 2 is a roll and 3 is a shaft. As the material of the roll 2, a structural carbon steel such as S45C or S35C is used to have pressure resistance and impact resistance. A blade 4 made of cemented carbide is formed on the surface of the roll 2. The shape of the blade 4 is variously formed according to the shape of a sanitary article or the like to be cut. The blade shapes shown in FIGS. 1 and 2 are merely examples, and needless to say, are not limited to these.

第３図には本発明のダイカッター１を組み込んだダイカ
ッタユニットが示されている。５はフレームで、フレー
ム５内にダイカッター１とアンビル６が上下に対向する
ように支持されている。この実施例では、ダイカッター
１が調節ネジ７で、アンビル６が油圧シリンダー８でそ
れぞれ支持されているが、いずれも油圧シリンダで支持
するようにしてもよい。すなわち、ダイカッター１とア
ンビル６の支持および上下位置調整構造は任意の機構を
採用しうる。９は伝動用のゴムロールで、ダイカッター
１のシャフト３とアンビル６のシャフト11のそれぞれに
取り付けられている。FIG. 3 shows a die cutter unit incorporating the die cutter 1 of the present invention. Reference numeral 5 denotes a frame, and the die cutter 1 and the anvil 6 are supported in the frame 5 so as to face each other vertically. In this embodiment, the die cutter 1 is supported by the adjusting screw 7 and the anvil 6 is supported by the hydraulic cylinder 8, but both may be supported by the hydraulic cylinder. That is, any mechanism can be adopted for the support of the die cutter 1 and the anvil 6 and the vertical position adjusting structure. 9 is a rubber roll for transmission, which is attached to each of the shaft 3 of the die cutter 1 and the shaft 11 of the anvil 6.

上記のユニットにおいて、ダイカッター１とアンビル６
がそれぞれ矢印方向に回転し、材料を手前から挿入する
と、材料はブレード４の形状のままにカッティングされ
る。In the above unit, die cutter 1 and anvil 6
Rotate in the directions of the arrows, and when the material is inserted from the front side, the material is cut in the shape of the blade 4.

つぎに本発明のダイカッターについて行った寿命試験を
説明する。Next, a life test conducted on the die cutter of the present invention will be described.

実施例１ 第１図と同様のダイカッターであって、ブレードの材質
がWC-Co系超硬合金であり、硬度HRA88〜91のものを実施
例１として作成した。この実施例１を用い供試体１〜９
についてカッティングを行った。そして、ブレードが磨
耗しパターンカット部分の一部に切れ残りが発生するま
でのカッティング数を計測し、結果を第１表に示した。Example 1 A die cutter similar to that shown in FIG. 1 was used as Example 1, except that the blade material was WC-Co cemented carbide and the hardness was HRA88-91. Specimens 1 to 9 using this Example 1
Was cut. Then, the number of cuttings was measured until the blade was worn and a part of the pattern cut portion was left uncut, and the results are shown in Table 1.

比較例１ ブレードの材質がskhまたはSKDであって硬度HRC60〜65
のものにした以外は実施例１と同様のダイカッターを用
意し、同じ要領で実験した。Comparative Example 1 Blade material is skh or SKD and hardness is HRC60 ~ 65
A die cutter similar to that of Example 1 was prepared except that the above was used, and an experiment was conducted in the same manner.

なお、供試体１〜９の材質、構造、厚さなどのカッティ
ング寿命を決定するファクターは第２表のとおりであ
る。Table 2 shows the factors that determine the cutting life, such as the material, structure, and thickness of the specimens 1 to 9.

第１表から明らかなように、本発明のダイカッターは従
来の鋼製ブレードのダイカッターに比べて、約３〜20倍
の寿命のあることが明らかである。 As is clear from Table 1, it is clear that the die cutter of the present invention has a life of about 3 to 20 times as long as that of the die cutter of the conventional steel blade.

つぎに本発明にかかわるダイカッターの製造方法を第４
図に基づき説明する。Next, a method for manufacturing a die cutter according to the present invention
A description will be given based on the figure.

Ｉ工程ではS45CまたはS35Cなどの普通綱からロールの材
料どりを行い、超硬合金の素材からブレードの材料どり
を行う。In the process I, the material of the roll is made from the ordinary steel such as S45C or S35C, and the material of the blade is made from the material of cemented carbide.

II工程では、材料どりされたブレード材をマニシグセン
ターによりブレード形状に精密加工される。これによ
り、ブレードそのものが成形加工される。In the process II, the reshaped blade material is precision processed into a blade shape by a manipulating center. As a result, the blade itself is formed.

III工程では刃付成形が行われる。この工程は本発明の
重要な工程の一つであり、ブレード材を高エネルギー熱
源を用いてロール表面に融着する。用いられる熱源とし
ては、電子ビームやレーザ、ガス溶接などがある。この
工程によって、異質の材料（ロールは普通綱である）で
あっても強固に融着することができる。Molding with a blade is performed in the process III. This step is one of the important steps of the present invention, and the blade material is fused to the roll surface using a high energy heat source. Examples of heat sources used include electron beam, laser, and gas welding. By this process, it is possible to firmly bond even a dissimilar material (a roll is a normal rope).

IV工程では研磨加工が行われる。この工程も本発明の重
要な工程である。研磨は放電加工により行われるが、放
電加工は工作物が導電性であれば硬度に関係なく高精度
に加工することができる。とくに微細な型彫りや幅の狭
い曲線も可能であり、かかる加工特性により高精度を要
求されるブレードの三次元研磨が可能となっている。Polishing is performed in the IV process. This step is also an important step of the present invention. Although polishing is performed by electric discharge machining, electric discharge machining can be performed with high precision regardless of hardness as long as the workpiece is conductive. In particular, fine engraving and narrow curved lines are possible, and such processing characteristics enable three-dimensional polishing of blades that require high precision.

以上の各工程を終えたあと、最終検査をしてダイカッタ
ーが完成される。After completing the above steps, a final inspection is performed to complete the die cutter.

［発明の効果］ 本発明のダイカッターは、従来の鋼製ブレードのカッタ
ーに比べ格段に長い寿命を発揮することができる。その
ため稼働率を飛躍的に向上させサニタリー用品などの製
造コストを低下させることができる。[Advantages of the Invention] The die cutter of the present invention can exhibit a significantly longer life than the conventional steel blade cutter. Therefore, it is possible to dramatically improve the operating rate and reduce the manufacturing cost of sanitary products and the like.

また本発明の製造方法によれば、従来現実的でないと考
えられていた超硬合金製ブレードのダイカッターを容易
に低コストで高い歩どまりで量産することができる。Further, according to the manufacturing method of the present invention, it is possible to easily mass-produce a die-cutter of a cemented carbide blade, which has hitherto been considered unrealistic, at low cost and with high yield.

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

第１〜２図はそれぞれ本発明の一実施例にかかわるダイ
カッターの斜視図、第３図は本発明のダイカッターを組
み込んだダイカッターユニットの一例を示す斜視図、第
４図は本発明にかかわるダイカッターの製造方法を示す
ブロック図である。 （図面の使用符号） 1:ダイカッター 2:ロール 4:ブレード 6:アンビル1 and 2 are perspective views of a die cutter according to an embodiment of the present invention, FIG. 3 is a perspective view showing an example of a die cutter unit incorporating the die cutter of the present invention, and FIG. It is a block diagram which shows the manufacturing method of the die cutter concerned. (Drawing reference number) 1: Die cutter 2: Roll 4: Blade 6: Anvil

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】カッターロールの表面に超硬合金製のブレ
ード材を高エネルギー熱源を用いて溶着し、そのブレー
ド材を放電加工により研磨して刃に形成してなるダイカ
ッター。1. A die cutter in which a blade material made of cemented carbide is welded to the surface of a cutter roll by using a high energy heat source, and the blade material is polished by electric discharge machining to form a blade. 【請求項２】カッターロールの表面に超硬合金製のブレ
ード材を高エネルギー熱源を用いて溶着し、ついで前記
ブレード材を放電加工により研磨して刃を形成すること
を特徴とするダイカッターの製造方法。2. A die cutter characterized in that a blade material made of cemented carbide is welded to the surface of a cutter roll by using a high energy heat source, and then the blade material is polished by electric discharge machining to form a blade. Production method.
JP2106135A 1990-04-20 1990-04-20 Die cutter and manufacturing method thereof Expired - Fee Related JPH0788050B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2106135A JPH0788050B2 (en) 1990-04-20 1990-04-20 Die cutter and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2106135A JPH0788050B2 (en) 1990-04-20 1990-04-20 Die cutter and manufacturing method thereof

Publications (2)

Publication Number Publication Date
JPH044135A JPH044135A (en) 1992-01-08
JPH0788050B2 true JPH0788050B2 (en) 1995-09-27

Family

ID=14425949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2106135A Expired - Fee Related JPH0788050B2 (en) 1990-04-20 1990-04-20 Die cutter and manufacturing method thereof

Country Status (1)

Country Link
JP (1) JPH0788050B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999033621A1 (en) * 1997-12-26 1999-07-08 Nippon Tungsten Co., Ltd. Die cut roll

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Publication number Priority date Publication date Assignee Title
WO1999033621A1 (en) * 1997-12-26 1999-07-08 Nippon Tungsten Co., Ltd. Die cut roll

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