JP2004306167A - Rotary sheet cutter - Google Patents

Rotary sheet cutter Download PDF

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Publication number
JP2004306167A
JP2004306167A JP2003100080A JP2003100080A JP2004306167A JP 2004306167 A JP2004306167 A JP 2004306167A JP 2003100080 A JP2003100080 A JP 2003100080A JP 2003100080 A JP2003100080 A JP 2003100080A JP 2004306167 A JP2004306167 A JP 2004306167A
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JP
Japan
Prior art keywords
cutter
rotary
base plate
movable holder
sheet
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.)
Withdrawn
Application number
JP2003100080A
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Japanese (ja)
Inventor
Hiroo Noguchi
野口  裕雄
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.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP2003100080A priority Critical patent/JP2004306167A/en
Publication of JP2004306167A publication Critical patent/JP2004306167A/en
Withdrawn legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotary sheet cutter which is composed of a relatively small number of parts, low in production cost, and has an advantageous structure when taking into consideration compatibility between a cutter stand portion and a movable head portion and the versatility of the cutter. <P>SOLUTION: The rotary sheet cutter is formed of a horizontal cutter base plate A having a base plate main body 1 and a linear guide groove 3 formed in parallel with an upper surface of a linear edge 2 of the main body, a movable holder portion B, and a rotary cutter portion C. The movable holder portion B has a U-shaped fitting portion 11 which is horizontally linearly movable along the linear edge 2 of the base plate A and capable of fitting onto the linear edge, and a vertical cutter mounting portion 12. The rotary cutter portion C has a rotary cutter blade 21 axially supported by a spindle portion 22 in a freely rotatable manner, and a blade receiving portion 23 facing an undermost peripheral portion of a lower peripheral portion out of the cutter blade 21. The rotary cutter portion can be fitted into the cutter mounting portion 12 of the movable holder portion B. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、紙製シートや樹脂シートや樹脂フィルムを直線状に裁断するためのロータリーシートカッターに関する。
【0002】
【従来の技術】
従来のロータリーシートカッターとしては、カッター台部の上方に、その台部の幅方向の両端部より立ち上げて跨ぐブリッジ状の架設フレームを設け、該架設フレームに設けたリニアガイドレールに沿って移動可能な可動ヘッド部を設け、該可動ヘッド部に回転可能に軸支したロータリーカッター刃を設け、該ロータリーカッター刃をカッター台に設けた刃受部に周接させた構造のロータリーシートカッターがある。
【0003】
従来の上記シートカッターは、可動ヘッド部をリニアガイドレールに沿って何れか一端側に移動させ、ロータリーカッター刃を断裁位置から一端側に回避させた後、カッター台に設けた刃受部上にシートを載せて固定する。その後、可動ヘッド部をリニアガイドレールに沿って他端側に移動させ、ロータリーカッター刃を刃受部に対して周接回転させながら、ロータリーカッター刃と刃受部との間でシートを直線状に断裁するものである。
【0004】
上記従来のロータリーシートカッターは、カッター台部の上方にブリッジ状の架設フレームとリニアガイドレールを設け、そのリニアガイドレールに可動ヘッド部を取り付ける必要があるため、ロータリーシートカッターのカッター台部と架設フレームと可動ヘッドの構造が複雑になって比較的に部品数が多く必要になり、そのために高価な構造になり易く、またカッター台部と可動ヘッド部との間の互換性や汎用性を配慮する際にも不向きな構造となっていた。
【0005】
【発明が解決しようとする課題】
本発明は、比較的に部品数が少なく、低価格で製造できるとともに、カッター台部と可動ヘッド部との間の互換性や汎用性を配慮する際に好適な構造のロータリーシートカッターを提供することにある。
【0006】
【課題を解決するための手段】
本発明は、台板本体1の直線状の一端縁部2の上面に沿って平行にリニアガイド溝部3を備えた水平カッター台板Aと、該台板Aの直線状の一端縁部2に沿って水平に直線移動可能に嵌合可能なコの字型の嵌合部11と垂直方向のカッター装填部12とを備えた可動ホルダー部Bと、ロータリーカッター刃21を支軸部22にて自由回転可能に軸支し、該カッター刃21の下部外周のうち最下部外周と対向する刃受部23を備え、前記可動ホルダー部Bのカッター装填部12内に嵌入可能なロータリーカッター部Cとにより構成され、前記水平カッター台板Aの直線状の一端縁部2に前記可動ホルダー部Bの嵌合部11に嵌合した後、該ロータリーカッター部Cを可動ホルダー部Bのカッター装填部12内に垂直方向に嵌入して刃受部23を前記台板Aのリニアガイド溝部3内に嵌入装着したことを特徴とするロータリーシートカッターである。
【0007】
【発明の実施の形態】
本発明のロータリーシートカッターを、その実施の形態について以下に詳細に説明する。
【0008】
図1は、本発明のロータリーシートカッターの正面断面図であり、Aは、水平な台板本体1の直線状の一端縁部2の上面に沿って平行にリニアガイド溝部3を備えた水平カッター台板、Bは、該台板Aの直線状の一端縁部2に沿って水平に直線移動可能に嵌合可能なコの字型の嵌合部11と垂直方向のカッター装填部12とを備えた可動ホルダー部、Cは、ロータリーカッター刃21を支軸部22にて自由回転可能に軸支し、該カッター刃21の下部外周のうち最下部外周と対向する刃受部23を備え、前記可動ホルダー部Bのカッター装填部12内に嵌入可能なロータリーカッター部である。
【0009】
図1及び図2の組み立て斜視図及び図3の組み立て完成斜視図に示すように、水平カッター台板Aの直線状の一端縁部2には、可動ホルダー部Bのコの字型の嵌合部11を嵌入でき、該可動ホルダー部Bを嵌入した際には、垂直方向のカッター装填部12の下部は、台板本体1の直線状の一端縁部2の上面に沿って平行に設けたリニアガイド溝部3の真上に整合できるようになっている。
【0010】
水平カッター台板Aの一端縁部2に可動ホルダー部Bを嵌入した後は、ロータリーカッター部Cを可動ホルダー部Bの上方から垂直方向のカッター装填部12内に落とし込むようにして装填するとともに、カッター装填部12下部より下方に突出するロータリーカッター部Cの刃受部23を、カッター装填部12下部と整合する台板Aのリニアガイド溝部3内に嵌合する。これにより可動ホルダー部Bは、水平カッター台板Aの一端縁部2より外側に離脱せずに、台板Aのリニアガイド溝部3に沿って直線状(図1の表裏方向、図3の水平矢印方向)に移動可能となる。
【0011】
可動ホルダー部Bは、コの字型の嵌合部11とカッター装填部12とを備え、コの字型の嵌合部11は、図2の組み立て斜視図及び図4の正面図に示すように、上面板11a、側面板11b、下面板11cにより構成され、カッター装填部12は、図2の組み立て斜視図及び図4の正面図に示すように、上面板11aの上部に連設した対向する前側面フレーム板12a、後面フレーム板12b、後側面フレーム板12c、前面フレーム板12dにより構成され、前側面フレーム板12aには、その上端より下部に亘ってロータリーカッター部Cの支軸部22のハンドル部25を嵌入可能な切欠部13が設けられている。
【0012】
また、可動ホルダー部Bのコの字型の嵌合部11を構成する後側面フレーム板12cの下端部には、シート裁断後に後側面フレーム板12cの背面側に分離されるシートSを通過させる空間部12eが設けられ、また、該後側面フレーム板12cの外面(後面)には、必要に応じてフレーム板補強用の補強板14(複数枚のフィン)が取り付けられている。
【0013】
ロータリーカッター部Cは、図5(a)の正面図及び図5(b)の側面図に示すように、ロータリーカッター刃21と、該ロータリーカッター刃21を自由回転可能に軸支する支軸部22を軸受けする前軸受板26と、後面板27と、後軸受板28と、前面板29と、上面板30とを備え、後軸受板28の下部には刃受部23を備えている。なお、前軸受板26と後軸受板28とによる支軸部22の軸受方式は本発明においては特に限定されるものではないが、例えば支軸部22先端部はネジ切りされていて、後軸受板28側に設けたネジ孔に螺着する方式でもよい。
【0014】
図5(b)に示すように、刃受部23の上面は、上向きの傾斜面23aと水平面23bと円弧面24と水平面23cとにより構成される連続面、又は上向きの傾斜面23aと円弧面24と水平面23cとにより構成される連続面となっていて、ロータリーカッター刃21と、それに対向する円弧面24とは、微細クリアランスを以て対向しているか又は周接して対向している。
【0015】
前記刃受部23の上面連続面と、前軸受板26下端部(少なくとも後面板27側の前軸受板26下端部)との間には、裁断されるシートSが水平に通過可能な間隙Dが形成されており、該前軸受板26と対向する後軸受板28の後面板27側の下端には、後面板27下端相当部から円弧面24の始端部に向かう下向きの傾斜面28aを備えている。
【0016】
図5(b)に示すように、また円弧面24の始端部に下向きに傾斜して向かう前記傾斜面28aの下端面から後軸受板28の背面側に向かって水平方向に斜めに、裁断において後軸受板28の背面側に分離される裁断後のシートSをガイドするガイド溝28bが設けられている。
【0017】
本発明のロータリーカッターを構成するカッター台部A、可動ホルダー部B、ロータリーカッター部Cの各々構造体全体に使用する材料又はその各々構造体の一部の構造部に使用する材料は、プラスチック、金属、セラミックのいずれでもよく、使い易さを考慮して軽量化するためにはプラスチック成形品を用いることが適当である。
【0018】
本発明のロータリーカッターの使用方法を以下に説明すれば、図3に示すように、まず、カッター台部A上にシートS(例えば、紙製シート、プラスチックフィルムなど)を供給して載置し、そのシートS上面を適宜押圧手段により押圧して固定した後、ロータリーカッターのロータリーカッター部Cを装填した可動ホルダー部Bを手で把握してリニアガイド溝部3に沿って実線矢印方向に直線移動させて、図3及び図5(a)〜(b)に示すようにシートSの一端縁S1 をロータリーカッター刃21の周端と刃受部23との間に導入する。
【0019】
ここで、可動ホルダー部Bのコの字型の嵌合部11を構成する後側面フレーム板12cの下端部とカーッター台部Aとの間には、図1に示すようにシート裁断後に後側面フレーム板12cの背面側に分離されるシートSを通過させる空間部12eが設けられている。
【0020】
また、ロータリーカッター部Cの前記刃受部23の上面連続面と、前軸受板26下端部(少なくとも後面板27側の前軸受板26下端部)との間には、図5(a)〜(b)に示すように裁断されるシートSが水平に通過可能な間隙Dが形成されており、該前軸受板26と対向する後軸受板28の後面板27側の下端には、後面板27下端相当部から円弧面24の始端部に向かう下向きの傾斜面28aを備え、円弧面24の始端部に下向きに傾斜して向かう前記傾斜面28aの下端面から後軸受板28の背面側に向かって水平方向に斜めに、裁断において後軸受板28の背面側に分離される裁断後のシートSをガイドするガイド溝28bが設けられている。
【0021】
図3、図5(b)に示すように、ロータリーカッター刃21の周端と刃受部23との間にシートSの一端縁S1 を導入した後は、ロータリーカッターの可動ホルダー部Bをさらに実線矢印方向に直線移動させることにより、ロータリーカッター刃21がシートSの一端縁S1 と接触し、カッター刃21と一端縁S1 との接触界面における摩擦力により、カッター刃21がシートSの一端縁S1 上で回転して、シートS一端縁S1 の裁断を開始する。
【0022】
さらに、可動ホルダー部Bを継続して実線矢印方向に直線移動させながら、シートS面上にてカッター刃21を回転させ、他端縁S2 まで移動させることにより、シートSを一端縁S1 から他端縁S2 まで直線状に裁断することができる。
【0023】
上記本発明のロータリーカッターは、枚葉シート状、長尺状(巻取ウエブロール状)のいずれのシートSでも、簡単に組み立てて裁断でき、台板1の直線状の一端部2に沿ってリニアガイド溝部3が形成された簡単なカッター台部Aを、枚葉シートSの供給台の一端部又は長尺状シートSの巻き出し供給台の一端部に、水平に取り付け配置するだけで、可動ホルダー部Bの嵌合部11をカッター台部Aにおける台板1の直線状の一端部2に水平方向に嵌合し、続いてロータリーカッター部Cを上方より落とし込むようにして装填して、リニアガイド溝部3内にロータリーカッター部Cの刃受部23を嵌着することにより、直線移動によりシート裁断可能なロータリーカッターとして組み立てることができ、容易にシート裁断することができる。
【0024】
【発明の効果】
本発明のロータリーカッターは、台板の直線状の一端部に沿ってリニアガイド溝部が形成されただけの簡単なカッター台部を使用するので、カッター台部は、枚葉シートの供給台の一端部又は長尺状シートの巻き出し供給台の一端部に簡単に水平に取り付け配置することができ、可動ホルダー部の嵌合部を、そのカッター台部における台板の直線状の一端部に水平方向に嵌合し、続いてロータリーカッター部を装填してリニアガイド溝部内にロータリーカッター部の刃受部を嵌着することにより、直線移動によりシート裁断可能なロータリーカッターとして組み立てることができ、枚葉シート状、長尺状(巻取ウエブロール状)のいずれのシートでも、組み立てて裁断でき、紙製シートや樹脂シートや樹脂フィルム、あるいはそれらの積層された複合シートを容易に裁断することができる。
【0025】
また本発明のロータリーカッターは、比較的に部品数が少なく、低価格で製造できるとともに、比較的に部品数が少なく、低価格で製造できるとともに、枚葉シートや長尺シートなどの各種シート供給手段や巻出手段の後段に、リニアガイド溝部が形成されただけの簡単なカッター台部を取り付けて使用でき、カッター台部に対する可動ホルダー部とロータリーカッター部との間の互換性や、汎用性を配慮した好適な構造のロータリーシートカッターを提供することができる。
【図面の簡単な説明】
【図1】本発明のロータリーカッターの正面断面図。
【図2】本発明のロータリーカッターの組み立て斜視図。
【図3】本発明のロータリーカッターの組み立て完成斜視図。
【図4】本発明のロータリーカッターにおける可動ホルダー部の正面図。
【図5】(a)は本発明のロータリーカッターにおけるロータリーカッター部の正面図、(b)はその側面図。
【符号の説明】
A…カッター台部 B…可動ホルダー部 C…ロータリーカッター部
1…台板 2…直線状の一端部 3…リニアガイド溝部
11…嵌合部 12…カッター装填部 12e…空間部 13…切欠部
14…補強板
21…ロータリーカッター刃 22…支軸部 23…刃受部 24…円弧面
25…支軸ハンドル 26…前軸受板26 27…後面板 28…後軸受板
28a…後軸受板の下端部 28b…ガイド溝 29…前面板 30…上面板
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a rotary sheet cutter for cutting a paper sheet, a resin sheet or a resin film into a straight line.
[0002]
[Prior art]
As a conventional rotary sheet cutter, a bridge-like erection frame is provided above the cutter pedestal portion so as to rise up and straddle both ends in the width direction of the pedestal portion, and moves along a linear guide rail provided on the erection frame. There is a rotary sheet cutter having a structure in which a movable head portion is provided, a rotary cutter blade rotatably supported on the movable head portion is provided, and the rotary cutter blade is in circumferential contact with a blade receiving portion provided on a cutter base. .
[0003]
The above-mentioned conventional sheet cutter moves the movable head part to one end side along the linear guide rail, and avoids the rotary cutter blade from the cutting position to one end side. Place and secure the sheet. Thereafter, the movable head is moved to the other end along the linear guide rail, and the sheet is linearly moved between the rotary cutter blade and the blade receiving portion while rotating the rotary cutter blade in circumferential contact with the blade receiving portion. Is to be cut.
[0004]
In the conventional rotary sheet cutter, a bridge-like erection frame and a linear guide rail are provided above the cutter base, and a movable head section needs to be attached to the linear guide rail. The structure of the frame and the movable head is complicated, requiring a relatively large number of parts, which tends to be expensive, and considering compatibility and versatility between the cutter base and the movable head. It had a structure that was unsuitable when doing it.
[0005]
[Problems to be solved by the invention]
The present invention provides a rotary sheet cutter that has a relatively small number of parts, can be manufactured at low cost, and has a structure suitable for considering compatibility and versatility between the cutter base and the movable head. It is in.
[0006]
[Means for Solving the Problems]
The present invention relates to a horizontal cutter base plate A provided with a linear guide groove portion 3 in parallel along the upper surface of a linear one end edge portion 2 of a base plate main body 1, and a linear one end edge portion 2 of the base plate A. A movable holder portion B having a U-shaped fitting portion 11 which can be fitted so as to be linearly movable in a horizontal direction and a cutter loading portion 12 in a vertical direction, and a rotary cutter blade 21 with a support shaft portion 22. A rotary cutter portion C which is rotatably supported and has a blade receiving portion 23 which faces the lowermost outer periphery of the lower outer periphery of the cutter blade 21 and which can be fitted into the cutter loading portion 12 of the movable holder portion B; After the fitting of the rotary cutter portion C to the fitting portion 11 of the movable holder portion B at one linear edge portion 2 of the horizontal cutter base plate A, the rotary cutter portion C is connected to the cutter loading portion 12 of the movable holder portion B. And insert it vertically into the A rotary sheet cutter, characterized in that fitted attached to serial bedplate linear guide groove 3 of the A.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the rotary sheet cutter of the present invention will be described in detail below.
[0008]
FIG. 1 is a front sectional view of a rotary sheet cutter according to the present invention. FIG. 1A is a horizontal cutter provided with a linear guide groove 3 in parallel along the upper surface of a linear end portion 2 of a horizontal base plate body 1. The base plate B has a U-shaped fitting portion 11 and a vertical cutter loading portion 12 which can be fitted horizontally and linearly movable along one linear edge 2 of the base plate A. The provided movable holder portion C is provided with a blade receiving portion 23 which rotatably supports the rotary cutter blade 21 at a support shaft portion 22 so as to be freely rotatable, and which faces the lowermost outer periphery of the lower outer periphery of the cutter blade 21. It is a rotary cutter portion that can be fitted into the cutter loading portion 12 of the movable holder portion B.
[0009]
As shown in the assembled perspective views of FIGS. 1 and 2 and the completed completed perspective view of FIG. 3, the U-shaped fitting of the movable holder B to the linear one end edge 2 of the horizontal cutter base plate A. When the movable holder portion B is fitted, the lower portion of the cutter loading portion 12 in the vertical direction is provided in parallel with the upper surface of the linear end portion 2 of the base plate body 1 when the movable holder portion B is fitted. The linear guide groove 3 can be aligned directly above.
[0010]
After the movable holder portion B is fitted into the one edge portion 2 of the horizontal cutter base plate A, the rotary cutter portion C is loaded so as to drop into the vertical cutter loading portion 12 from above the movable holder portion B, The blade receiving portion 23 of the rotary cutter portion C protruding downward from the lower portion of the cutter loading portion 12 is fitted into the linear guide groove 3 of the base plate A aligned with the lower portion of the cutter loading portion 12. As a result, the movable holder B does not separate from the one end edge 2 of the horizontal cutter base plate A, and is linearly formed along the linear guide groove 3 of the base plate A (the front and back direction in FIG. 1 and the horizontal direction in FIG. 3). (In the direction of the arrow).
[0011]
The movable holder portion B includes a U-shaped fitting portion 11 and a cutter loading portion 12. As shown in the assembled perspective view of FIG. 2 and the front view of FIG. In addition, the cutter loading unit 12 includes an upper surface plate 11a, a side plate 11b, and a lower surface plate 11c, and the cutter loading unit 12 is opposed to an upper surface of the upper surface plate 11a as shown in an assembled perspective view of FIG. 2 and a front view of FIG. The front frame plate 12a includes a front frame plate 12a, a rear frame plate 12b, a rear frame plate 12c, and a front frame plate 12d. The notch 13 into which the handle 25 can be fitted is provided.
[0012]
Further, the sheet S separated on the rear side of the rear side frame plate 12c after cutting the sheet is passed through the lower end of the rear side frame plate 12c constituting the U-shaped fitting portion 11 of the movable holder portion B. A space portion 12e is provided, and a reinforcing plate 14 (a plurality of fins) for reinforcing the frame plate is attached to the outer surface (rear surface) of the rear side frame plate 12c as necessary.
[0013]
As shown in the front view of FIG. 5 (a) and the side view of FIG. 5 (b), the rotary cutter portion C includes a rotary cutter blade 21 and a spindle portion which supports the rotary cutter blade 21 so as to be freely rotatable. A front bearing plate 26 for bearing the bearing 22, a rear plate 27, a rear bearing plate 28, a front plate 29, and a top plate 30 are provided, and a blade receiving portion 23 is provided below the rear bearing plate 28. In the present invention, the bearing system of the spindle portion 22 by the front bearing plate 26 and the rear bearing plate 28 is not particularly limited. For example, the tip of the spindle portion 22 is threaded, and A method of screwing into a screw hole provided on the plate 28 side may be used.
[0014]
As shown in FIG. 5B, the upper surface of the blade receiving portion 23 is a continuous surface formed by an upward inclined surface 23a, a horizontal surface 23b, an arc surface 24, and a horizontal surface 23c, or an upward inclined surface 23a and an arc surface. The rotary cutter blade 21 and the arc surface 24 facing the rotary cutter blade 21 are opposed to each other with a fine clearance or are opposed to each other while being in circumferential contact with each other.
[0015]
A gap D between the upper surface continuous surface of the blade receiving portion 23 and the lower end of the front bearing plate 26 (at least the lower end of the front bearing plate 26 on the rear plate 27 side) through which the cut sheet S can pass horizontally. Is formed at the lower end of the rear bearing plate 28 facing the front bearing plate 26 on the rear plate 27 side. The lower inclined surface 28a is directed downward from the lower end of the rear plate 27 toward the start end of the arcuate surface 24. ing.
[0016]
As shown in FIG. 5 (b), in the cutting, the lower end surface of the inclined surface 28 a which is inclined downward toward the starting end of the arc surface 24 is inclined in the horizontal direction toward the rear side of the rear bearing plate 28. A guide groove 28b is provided on the rear side of the rear bearing plate 28 to guide the cut sheet S separated therefrom.
[0017]
The material used for the entire structure of the cutter base A, the movable holder B, and the rotary cutter C that constitute the rotary cutter of the present invention or the material used for a part of the structure of each of the structures is plastic, Either metal or ceramic may be used, and it is appropriate to use a plastic molded product to reduce the weight in consideration of ease of use.
[0018]
The method of using the rotary cutter of the present invention will be described below. First, as shown in FIG. 3, a sheet S (for example, a paper sheet, a plastic film, or the like) is supplied and placed on a cutter base A. After the upper surface of the sheet S is appropriately pressed and fixed by a pressing means, the movable holder portion B loaded with the rotary cutter portion C of the rotary cutter is grasped by hand and linearly moved along the linear guide groove portion 3 in the solid arrow direction. Then, one end edge S1 of the sheet S is introduced between the peripheral end of the rotary cutter blade 21 and the blade receiving portion 23 as shown in FIGS.
[0019]
Here, between the lower end portion of the rear side frame plate 12c constituting the U-shaped fitting portion 11 of the movable holder portion B and the carter base portion A, as shown in FIG. A space 12e is provided on the rear side of the frame plate 12c to allow the separated sheet S to pass therethrough.
[0020]
Further, between the upper surface continuous surface of the blade receiving portion 23 of the rotary cutter portion C and the lower end of the front bearing plate 26 (at least the lower end of the front bearing plate 26 on the rear plate 27 side), FIG. As shown in (b), a gap D through which the cut sheet S can pass horizontally is formed, and a rear plate 27 is provided at a lower end of the rear plate 27 facing the front bearing plate 26. 27 is provided with a downward inclined surface 28a extending from the lower end equivalent portion toward the start end of the arc surface 24, and from the lower end surface of the inclined surface 28a inclined downward to the start end of the arc surface 24 from the rear side of the rear bearing plate 28. Obliquely in the horizontal direction toward the rear, a guide groove 28b for guiding the cut sheet S separated on the rear side of the rear bearing plate 28 in cutting is provided.
[0021]
As shown in FIGS. 3 and 5B, after the one edge S1 of the sheet S is introduced between the peripheral end of the rotary cutter blade 21 and the blade receiving portion 23, the movable holder portion B of the rotary cutter is further moved. By moving the cutter blade 21 linearly in the direction of the solid arrow, the rotary cutter blade 21 comes into contact with one end edge S1 of the sheet S, and the frictional force at the contact interface between the cutter blade 21 and the one end edge S1 causes the cutter blade 21 to move one end edge of the sheet S. The sheet S is rotated on to start cutting the sheet S at one edge S1.
[0022]
Further, while continuously moving the movable holder portion B linearly in the direction of the solid arrow, the cutter blade 21 is rotated on the sheet S surface and moved to the other end edge S2, so that the sheet S is moved from one end edge S1 to the other end. It can be cut straight to the edge S2.
[0023]
The rotary cutter according to the present invention can easily assemble and cut any sheet S or long sheet (winding web roll) sheet S along the linear end 2 of the base plate 1. A simple cutter base A in which the linear guide grooves 3 are formed is mounted and arranged horizontally on one end of a feed base for the single sheet S or on one end of an unwind feed base for the long sheet S, The fitting part 11 of the movable holder part B is horizontally fitted to the linear end part 2 of the base plate 1 in the cutter base part A, and then the rotary cutter part C is loaded by being dropped from above, By fitting the blade receiving portion 23 of the rotary cutter portion C into the linear guide groove portion 3, the rotary cutter can be assembled as a rotary cutter capable of cutting a sheet by linear movement, and the sheet can be cut easily.
[0024]
【The invention's effect】
Since the rotary cutter of the present invention uses a simple cutter base having only a linear guide groove formed along one linear end of the base plate, the cutter base is provided at one end of the sheet feeding table. Part or the unwinding supply table of a long sheet can be easily attached and arranged horizontally, and the fitting part of the movable holder part is horizontally attached to the one linear end of the base plate in the cutter base part. By inserting the rotary cutter part in the direction and then fitting the rotary cutter part into the linear guide groove part and fitting the blade receiving part of the rotary cutter part, it is possible to assemble as a rotary cutter capable of cutting a sheet by linear movement. Both leaf sheet and long (winding web roll) sheets can be assembled and cut, and paper sheets, resin sheets, resin films, or their laminated And the composite sheet can be easily cut.
[0025]
In addition, the rotary cutter of the present invention has a relatively small number of parts and can be manufactured at a low price, and has a relatively small number of parts and can be manufactured at a low price, and can supply various sheets such as a single sheet sheet and a long sheet. A simple cutter base with only a linear guide groove can be attached and used after the means and unwinding means. Compatibility between the movable holder and rotary cutter for the cutter base and versatility Thus, it is possible to provide a rotary sheet cutter having a suitable structure in consideration of the above.
[Brief description of the drawings]
FIG. 1 is a front sectional view of a rotary cutter according to the present invention.
FIG. 2 is an assembled perspective view of the rotary cutter of the present invention.
FIG. 3 is an assembled perspective view of the rotary cutter of the present invention.
FIG. 4 is a front view of a movable holder in the rotary cutter according to the present invention.
FIG. 5A is a front view of a rotary cutter portion of the rotary cutter according to the present invention, and FIG. 5B is a side view thereof.
[Explanation of symbols]
A: cutter base B: movable holder C: rotary cutter 1: base plate 2: linear end 3: linear guide groove 11: fitting part 12: cutter loading part 12e: space 13: cutout part 14 ... Reinforcing plate 21 ... Rotary cutter blade 22 ... Spindle portion 23 ... Blade receiving portion 24 ... Arc surface 25 ... Spindle handle 26 ... Front bearing plate 26 27 ... Rear plate 28 ... Rear bearing plate 28a ... Lower end of rear bearing plate 28b: guide groove 29: front plate 30: top plate

Claims (1)

台板本体の直線状の一端縁部の上面に沿って平行にリニアガイド溝部を備えた水平カッター台板Aと、該台板Aの直線状の一端縁部に沿って水平に直線移動可能に嵌合可能なコの字型の嵌合部と垂直方向のカッター装填部とを備えた可動ホルダー部Bと、ロータリーカッター刃を支軸部にて自由回転可能に軸支し、該カッター刃の下部外周のうち最下部外周と対向する円弧状刃受部を備え、前記可動ホルダー部Bのカッター装填部内に嵌入可能なロータリーカッター部Cとにより構成され、前記水平カッター台板Aの直線状の一端縁部に前記可動ホルダー部Bの嵌合部に嵌合した後、該ロータリーカッター部Cを可動ホルダー部Bのカッター装填部内に垂直方向に嵌入して円弧状刃受部を前記台板Aのリニアガイド溝部内に嵌入装着したことを特徴とするロータリーシートカッター。A horizontal cutter base plate A provided with a linear guide groove in parallel along the upper surface of a linear one end portion of the base plate main body, and can be horizontally and linearly moved along a linear one end edge of the base plate A. A movable holder portion B having a U-shaped fitting portion capable of fitting and a vertical cutter loading portion, and a rotary cutter blade rotatably supported by a spindle portion so as to be freely rotatable. It comprises an arc-shaped blade receiving portion facing the lowermost outer periphery of the lower outer periphery, and is constituted by a rotary cutter portion C which can be fitted into a cutter loading portion of the movable holder portion B, After being fitted to the fitting portion of the movable holder portion B at one end edge, the rotary cutter portion C is vertically fitted into the cutter loading portion of the movable holder portion B, and the circular blade receiving portion is attached to the base plate A. Fitting into the linear guide groove of Rotary sheet cutter, characterized.
JP2003100080A 2003-04-03 2003-04-03 Rotary sheet cutter Withdrawn JP2004306167A (en)

Priority Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108582204A (en) * 2018-04-12 2018-09-28 高磊 A kind of environment-friendly sewage tube apparatus
WO2021246500A1 (en) * 2020-06-05 2021-12-09 株式会社エム・シー・ケー Cutting system, cutting device, and cutter unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108582204A (en) * 2018-04-12 2018-09-28 高磊 A kind of environment-friendly sewage tube apparatus
WO2021246500A1 (en) * 2020-06-05 2021-12-09 株式会社エム・シー・ケー Cutting system, cutting device, and cutter unit

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