JP2010137373A - Stencil printing machine - Google Patents

Stencil printing machine Download PDF

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JP2010137373A
JP2010137373A JP2008313335A JP2008313335A JP2010137373A JP 2010137373 A JP2010137373 A JP 2010137373A JP 2008313335 A JP2008313335 A JP 2008313335A JP 2008313335 A JP2008313335 A JP 2008313335A JP 2010137373 A JP2010137373 A JP 2010137373A
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plate material
plate
printing machine
paper
stencil printing
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JP5121682B2 (en
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Toshiki Otani
壽希 大谷
Taichi Sato
太一 佐藤
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Duplo Seiko Corp
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Duplo Seiko Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a stencil printing machine in which a jammed paper sheet can easily be removed without pulling out a plate cylinder unit. <P>SOLUTION: The stencil printing machine 1 includes a plate cylinder 2 on which an engraved plate material is mounted, with printing performed on a paper sheet through the mounted plate material. The stencil printing machine includes a paper separating member 4 for separating a printed paper sheet from the plate material. The paper separating member 4 includes a support shaft 41 extending nearly horizontally opposite to the outer periphery of the plate cylinder 2 and a stripping jaw 42 protruding from the support shaft 41 toward the outer periphery of the plate cylinder 2. The paper separating member 4 is characterized in that it is installed in a manner that the stripping jaw 42 can be rotated in a direction receding from the outer periphery of the plate cylinder 2, with one end 48 of the support shaft 41 as a fulcrum. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、孔版印刷機に関し、特に用紙剥離部材に関するものである。   The present invention relates to a stencil printing machine, and more particularly to a paper peeling member.

孔版印刷機は、版材装着体の版材から、印刷後の用紙を剥離するために、用紙剥離部材を備えている。そして、従来の孔版印刷機において、用紙剥離部材は、版材装着体の外周面に対向して、固定して設けられていた。
特開２００４−３２２３６３号公報 実公平７−３６７７６号公報 The stencil printing machine includes a paper peeling member for peeling the printed paper from the plate material of the plate material mounting body. In the conventional stencil printing machine, the sheet peeling member is fixedly provided facing the outer peripheral surface of the plate material mounting body.
JP 2004-322363 A No. 7-36776

ところで、孔版印刷機においては、用紙剥離部材が設けられているにも拘わらず、印刷後の用紙が円滑に剥離されず、用紙のジャムが生じることがあった。そして、そのような場合において、特許文献１、２の装置では、版材装着体を引き出して、ジャムした用紙を取り除くようにしている。しかしながら、用紙がジャムした状態で、版材装着体を引き出そうとすると、ジャムしている用紙が引き千切れたりするため、特許文献１、２の装置では、用紙の取り除き作業が煩雑になる、という不具合があった。   By the way, in the stencil printing machine, although the paper peeling member is provided, the paper after printing is not smoothly peeled, and the paper may be jammed. In such a case, in the apparatuses of Patent Documents 1 and 2, the plate material mounting body is pulled out to remove the jammed paper. However, if the sheet material is jammed and an attempt is made to pull out the plate material mounting body, the jammed paper will be torn off, and the devices of Patent Documents 1 and 2 will be cumbersome to remove the paper. There was a bug.

本発明は、ジャムした用紙を、版材装着体を引き出すことなく、簡単に取り除くことができる、孔版印刷機を、提供することを目的とする。   An object of the present invention is to provide a stencil printing machine capable of easily removing jammed paper without pulling out a plate material mounting body.

本発明は、製版された版材を装着する版材装着体を備え、装着した版材を介して用紙に印刷を行う、孔版印刷機において、印刷後の用紙を版材から剥離するための用紙剥離部材を備えており、用紙剥離部材が、版材装着体の外周面に対向して略水平に延びた支持軸と、支持軸から版材装着体の外周面に向かって突出した剥離爪と、を有しており、用紙剥離部材は、支持軸の一端を支点として、剥離爪が版材装着体の外周面から離れる方向へ、回動できるように、設けられている、ことを特徴としている。   The present invention includes a plate material mounting body on which a plate material that has been subjected to plate making is mounted, and performs printing on a sheet through the mounted plate material, and a sheet for separating the printed paper from the plate material in a stencil printing machine A separating member, the sheet separating member extending substantially horizontally facing the outer peripheral surface of the plate material mounting body, and a peeling claw protruding from the support shaft toward the outer peripheral surface of the plate material mounting body; The sheet peeling member is provided so that the peeling claw can rotate in a direction away from the outer peripheral surface of the plate material mounting body with one end of the support shaft as a fulcrum. Yes.

本発明は、更に、次の構成を採用するのが好ましい。
（Ａ）用紙剥離部材は、支持軸の上記一端を支点として、略水平方向へ回動できるように、設けられている。 The present invention preferably further adopts the following configuration.
(A) The sheet peeling member is provided so as to be able to rotate in a substantially horizontal direction with the one end of the support shaft as a fulcrum.

（Ｂ）版材装着体から版材を剥離する排版ユニットを、略水平方向に開閉可能に、備えており、用紙剥離部材は、排版ユニットよりも下方の位置で、支持軸の上記一端を支点として、略水平方向へ回動できるように、設けられている。 (B) A plate discharging unit for peeling the plate material from the plate material mounting body is provided so as to be opened and closed in a substantially horizontal direction, and the sheet peeling member is supported at the one end of the support shaft at a position below the plate discharging unit. Are provided so that they can be rotated in a substantially horizontal direction.

本発明によれば、用紙剥離部材を回動させることによって、用紙剥離部材に対向していた、版材装着体の外周面を、開放できる。したがって、ジャムした用紙を、版材装着体を引き出すことなく、簡単に取り除くことができる。また、ジャムした時に剥離爪に突き刺さった用紙を、剥離爪から外すことができ、それによって、用紙を引き千切らないで取り除くことができる。   According to the present invention, by rotating the paper peeling member, the outer peripheral surface of the plate material mounting body facing the paper peeling member can be opened. Therefore, the jammed paper can be easily removed without pulling out the plate material mounting body. Also, the paper that has pierced the peeling claw when jammed can be removed from the peeling claw, thereby removing the paper without tearing it.

上記構成（Ａ）によれば、用紙剥離部材を、版材装着体の外周面から、確実に引き離すことができるので、版材装着体の外周面を、確実に開放できる。   According to the configuration (A), since the sheet peeling member can be reliably pulled away from the outer peripheral surface of the plate material mounting body, the outer peripheral surface of the plate material mounting body can be reliably opened.

上記構成（Ｂ）によれば、排版ユニット及び用紙剥離部材の両者を、版材装着体の外周面から、確実に引き離すことができるので、版材装着体の外周面を、確実に且つ広範囲に開放できる。   According to the configuration (B), both the plate discharge unit and the sheet peeling member can be reliably pulled away from the outer peripheral surface of the plate material mounting body, so that the outer peripheral surface of the plate material mounting body can be reliably and widely spread. It can be opened.

図１は、本発明の孔版印刷機の内部の一部の斜視図である。図２は、図１のII矢視図である。図３は、図１のIII矢視図である。この孔版印刷機１は、通常の孔版印刷機と同様の部品を備えており、これらの図においては、主として、版胴２と、排版ユニット３と、用紙剥離部材４と、排紙台５と、が示されている。   FIG. 1 is a perspective view of a part of the inside of the stencil printing machine of the present invention. FIG. 2 is a view taken in the direction of arrow II in FIG. 3 is a view taken in the direction of arrow III in FIG. The stencil printing machine 1 includes the same components as those of a normal stencil printing machine. In these drawings, the stencil cylinder 2, the stencil discharging unit 3, the paper peeling member 4, the paper discharge table 5, ,It is shown.

版胴２は、製版された版材を装着する版材装着体として機能する。版胴２は、図２において反時計回り（矢印Ａ方向）に回転する。排版ユニット３は、版胴２に装着され且つ印刷処理に使用された版材を、版胴２から剥離して、収容するように、構成されている。排版ユニット３は、図２において版胴２の右側上部に位置している。   The plate cylinder 2 functions as a plate material mounting body for mounting the plate material that has been made. The plate cylinder 2 rotates counterclockwise (arrow A direction) in FIG. The plate discharging unit 3 is configured to peel the plate material attached to the plate cylinder 2 and used for the printing process from the plate cylinder 2 and accommodate it. The plate discharge unit 3 is located in the upper right portion of the plate cylinder 2 in FIG.

用紙剥離部材４は、図２において版胴２の右側下部に、版胴２の外周面に対向して、設けられており、印刷後の用紙を版胴２の版材から剥離するよう機能する。用紙剥離部材４は、排版ユニット３よりも下方に位置している。用紙剥離部材４は、水平に設けられた支持軸４１と、支持軸４１から版胴２の外周面に向かって突出した剥離爪４２と、を有している。支持軸４１は、版胴２の回転軸２１と平行に、版胴２と略同じ長さだけ、延びている。剥離爪４２は、支持軸４１の軸方向の略中央部に少なくとも１個設けられている。ここでは、剥離爪４２は１個設けられており、剥離爪４２の両側の突出部材４３、４４は、突出方向に向けて空気を吹き出すようになっている。   The sheet peeling member 4 is provided at the lower right side of the plate cylinder 2 in FIG. 2 so as to face the outer peripheral surface of the plate cylinder 2 and functions to peel the printed sheet from the plate material of the plate cylinder 2. . The sheet peeling member 4 is located below the plate discharge unit 3. The sheet peeling member 4 has a support shaft 41 provided horizontally, and a peeling claw 42 protruding from the support shaft 41 toward the outer peripheral surface of the plate cylinder 2. The support shaft 41 extends in parallel with the rotation shaft 21 of the plate cylinder 2 by substantially the same length as the plate cylinder 2. At least one peeling claw 42 is provided at a substantially central portion in the axial direction of the support shaft 41. Here, one peeling claw 42 is provided, and the protruding members 43 and 44 on both sides of the peeling claw 42 blow out air in the protruding direction.

排紙台５は、用紙剥離部材４によって剥離された用紙を、矢印Ｂ方向に、すなわち、排紙トレイ（図示せず）に向けて、搬送するよう機能する。   The paper discharge stand 5 functions to convey the paper peeled off by the paper peeling member 4 in the direction of arrow B, that is, toward a paper discharge tray (not shown).

図４は、図１のIV矢視模式図である。本発明においては、用紙剥離部材４の支持軸４１の、一方の端部４８と他方の端部４９とが、以下に説明するように、構成されている。   FIG. 4 is a schematic view taken along arrow IV in FIG. In the present invention, one end 48 and the other end 49 of the support shaft 41 of the sheet peeling member 4 are configured as described below.

図５は、図３の端部４８の拡大図である。図５に示されるように、端部４８は、孔版印刷機１の本体の背面プレート８１から水平に延びたアーム８２の先端に、垂直軸８３によって、連結され且つ支持されている。これにより、端部４８は、図５のVI矢視図である図６において一点鎖線で示されるように、垂直軸８３回りに、すなわち、水平方向に、回動可能となっている。   FIG. 5 is an enlarged view of the end 48 of FIG. As shown in FIG. 5, the end 48 is connected and supported by a vertical shaft 83 to the tip of an arm 82 that extends horizontally from the back plate 81 of the main body of the stencil printing machine 1. As a result, the end portion 48 can be rotated around the vertical axis 83, that is, in the horizontal direction, as shown by a one-dot chain line in FIG.

図７は、図３の端部４９のVII矢視拡大図である。端部４９は、ネジ８６によって、止め具８４の受部８４１に、着脱自在に、ねじ止めされるようになっている。すなわち、端部４９は、ネジ８６を緩めると、図７において一点鎖線で示されるように、受部８４１から取り外すことができる。なお、止め具８４は、孔版印刷機１の本体の正面プレート８５に取り付けられている。   FIG. 7 is an enlarged view of the end 49 in FIG. The end portion 49 is detachably screwed to the receiving portion 841 of the stopper 84 by a screw 86. That is, when the screw 86 is loosened, the end portion 49 can be detached from the receiving portion 841 as shown by a one-dot chain line in FIG. The stopper 84 is attached to the front plate 85 of the main body of the stencil printing machine 1.

したがって、図８に示されるように、用紙剥離部材４は、ネジ８６を緩めることによって端部４９を受部８４１から取り外すと、端部４８を支点として、剥離爪４２が版胴２の外周面から離れる方向へ、すなわち、矢印Ｒ１方向へ、回動できる。なお、用紙剥離部材４は、略９０度まで回動できる。   Therefore, as shown in FIG. 8, when the end portion 49 is removed from the receiving portion 841 by loosening the screw 86, the sheet peeling member 4 has the peeling claw 42 as an outer peripheral surface of the plate cylinder 2 with the end portion 48 as a fulcrum. Can be rotated in the direction away from the direction, that is, in the direction of the arrow R1. The sheet peeling member 4 can be rotated up to about 90 degrees.

一方、排版ユニット３は、背面プレート８１に、ヒンジ部３１によって、片持ち支持されており、図８に示されるように、ヒンジ部３１を支点として、水平方向に、すなわち、矢印Ｒ２方向に、回動できるようになっている。すなわち、排版ユニット３は、水平方向に開閉可能である。なお、排版ユニット３も、略９０度まで回動できる。   On the other hand, the plate discharge unit 3 is cantilevered by the hinge portion 31 on the back plate 81, and as shown in FIG. 8, with the hinge portion 31 as a fulcrum, in the horizontal direction, that is, in the direction of the arrow R2. It can be turned. That is, the plate discharge unit 3 can be opened and closed in the horizontal direction. The plate discharge unit 3 can also be rotated up to about 90 degrees.

上記構成の孔版印刷機１においては、印刷後の用紙が剥離されず、図２における版胴２の特に右側外周面上にて用紙のジャムが生じた場合には、ジャムした用紙は、次のようにして取り除かれる。   In the stencil printing machine 1 having the above-described configuration, when the paper after printing is not peeled off and a paper jam has occurred especially on the right outer peripheral surface of the plate cylinder 2 in FIG. Is removed.

まず、図９に示されるように、排版ユニット３を矢印Ｒ２方向へ回動させる。すなわち、排版ユニット３を水平方向に開く。なお、回動角度は略９０度が好ましい。次に、用紙剥離部材４において、ネジ８６を緩めて、端部４９を受部８４１から取り外す。そして、図１０に示されるように、支持軸４１を、端部４８を支点として、矢印Ｒ１方向へ、回動させる。すなわち、用紙剥離部材４を、剥離爪４２が版胴２の外周面から離れる方向へ、回動させる。なお、回動角度は略９０度が好ましい。このとき、用紙剥離部材４は、排版ユニット３よりも下方に位置しているので、排版ユニット３は、用紙剥離部材４の回動の邪魔にはならない。これにより、図８に示されるように、用紙がジャムした領域Ｘが、矢印Ｃ方向から見て、確実に開放される。特に、上記構成の孔版印刷機１においては、用紙剥離部材４が回動するだけでなく、排版ユニット３も回動するので、領域Ｘは、確実に且つ広範囲に開放される。したがって、作業者は、図８に示されるように、排版ユニット３側から、領域Ｘへ、容易に手を差し込むことができ、ジャムした用紙を容易に取り除くことができる。なお、図１１は、図１０のＸＩ矢視図である。図１２は、図１０のＸII矢視図である。   First, as shown in FIG. 9, the plate discharge unit 3 is rotated in the direction of the arrow R2. That is, the discharge unit 3 is opened in the horizontal direction. The rotation angle is preferably about 90 degrees. Next, in the sheet peeling member 4, the screw 86 is loosened and the end portion 49 is removed from the receiving portion 841. Then, as shown in FIG. 10, the support shaft 41 is rotated in the direction of the arrow R1 with the end portion 48 as a fulcrum. That is, the sheet peeling member 4 is rotated in a direction in which the peeling claw 42 is separated from the outer peripheral surface of the plate cylinder 2. The rotation angle is preferably about 90 degrees. At this time, since the sheet peeling member 4 is positioned below the plate release unit 3, the plate release unit 3 does not interfere with the rotation of the sheet peeling member 4. As a result, as shown in FIG. 8, the area X in which the paper jams is reliably opened as viewed from the direction of the arrow C. In particular, in the stencil printing machine 1 having the above-described configuration, not only the sheet peeling member 4 but also the discharge unit 3 rotate, so that the region X is reliably and widely opened. Therefore, as shown in FIG. 8, the operator can easily insert his / her hand into the area X from the plate discharging unit 3 side, and can easily remove the jammed paper. FIG. 11 is a view taken along the line XI in FIG. 12 is a view taken in the direction of arrow XII in FIG.

なお、本発明においては、次のような変形構造を採用してもよい。
（１）用紙剥離部材４の支持軸４１の端部４９が、図１３に示されるように、マグネット８７によって、止め具８４の受部８４１に、着脱自在に、固着されている。 In the present invention, the following modified structure may be adopted.
(1) The end portion 49 of the support shaft 41 of the sheet peeling member 4 is detachably fixed to the receiving portion 841 of the stopper 84 by a magnet 87 as shown in FIG.

（２）用紙剥離部材４が、図１４に示されるように、斜め上方に向かって回動できるように、設けられている。この場合でも、領域Ｘは、矢印Ｃ方向から見て開放される。 (2) As shown in FIG. 14, the sheet peeling member 4 is provided so as to be able to rotate obliquely upward. Even in this case, the region X is opened as viewed from the direction of the arrow C.

（３）排版ユニット３が、開閉不能である。この場合でも、用紙剥離部材４は、排版ユニット３よりも下方に位置しているので、略９０度まで回動できる。したがって、領域Ｘは、矢印Ｃ方向から見て開放される。 (3) The plate discharge unit 3 cannot be opened and closed. Even in this case, since the sheet peeling member 4 is located below the plate discharge unit 3, the sheet peeling member 4 can be rotated to approximately 90 degrees. Accordingly, the region X is opened as viewed from the direction of the arrow C.

（４）版材装着体が、上述の版胴２のような単胴式ではなく、複胴式である。 (4) The plate material mounting body is not a single cylinder type like the above-described plate cylinder 2 but a multiple cylinder type.

本発明は、ジャムした用紙を版材装着体から簡単に取り除くことができるので、産業上の利用価値が大である。   Since the jammed paper can be easily removed from the plate material mounting body, the present invention has great industrial utility value.

本発明の孔版印刷機の内部の一部の斜視図である。It is a one part perspective view of the inside of the stencil printing machine of this invention. 図１のII矢視図である。It is an II arrow directional view of FIG. 図１のIII矢視図である。FIG. 3 is a view taken in the direction of arrow III in FIG. 1. 図１のIV矢視模式図である。FIG. 4 is a schematic view taken along arrow IV in FIG. 1. 図３の一方の端部の拡大図である。FIG. 4 is an enlarged view of one end portion of FIG. 3. 図５のVI矢視図である。FIG. 6 is a view on arrow VI in FIG. 5. 図３の他方の端部のVII矢視拡大図である。FIG. 7 is an enlarged view taken along arrow VII of the other end of FIG. 3. 図４に相当する図であり、排版ユニット及び用紙剥離部材の両者が開いた状態を示す図である。FIG. 5 is a view corresponding to FIG. 4, showing a state in which both the plate discharge unit and the sheet peeling member are open. 図１に相当する図であり、排版ユニットが開いた状態を示す図である。FIG. 2 is a view corresponding to FIG. 1 and showing a state where a plate removal unit is opened. 図１に相当する図であり、排版ユニット及び用紙剥離部材の両者が開いた状態を示す図である。FIG. 2 is a view corresponding to FIG. 1, showing a state in which both the plate discharge unit and the sheet peeling member are open. 図１０のＸＩ矢視図である。It is a XI arrow line view of FIG. 図１０のＸII矢視図である。It is a XII arrow line view of FIG. 図７に相当する図であり、用紙剥離部材の支持軸の他方の端部の変形構造を示す図である。FIG. 8 is a view corresponding to FIG. 7 and showing a deformed structure of the other end of the support shaft of the sheet peeling member. 図１１に相当する図であり、用紙剥離部材の変形例を備えた孔版印刷機の正面模式図である。FIG. 12 is a diagram corresponding to FIG. 11, and is a schematic front view of a stencil printing machine provided with a modified example of the sheet peeling member.

符号の説明Explanation of symbols

１ 孔版印刷機 ２ 版胴 ３ 排版ユニット ４ 用紙剥離部材 ４１ 支持軸 ４２ 剥離爪 ４８ （一方の）端部   DESCRIPTION OF SYMBOLS 1 Stencil printing machine 2 Plate cylinder 3 Unloading unit 4 Paper peeling member 41 Support shaft 42 Peeling nail 48 (one) edge part

Claims (3)

製版された版材を装着する版材装着体を備え、装着した版材を介して用紙に印刷を行う、孔版印刷機において、
印刷後の用紙を版材から剥離するための用紙剥離部材を備えており、
用紙剥離部材が、版材装着体の外周面に対向して略水平に延びた支持軸と、支持軸から版材装着体の外周面に向かって突出した剥離爪と、を有しており、
用紙剥離部材は、支持軸の一端を支点として、剥離爪が版材装着体の外周面から離れる方向へ、回動できるように、設けられている、ことを特徴とする孔版印刷機。 In a stencil printing machine comprising a plate material mounting body for mounting a plate-making plate material, and performing printing on paper through the mounted plate material,
Equipped with a paper peeling member for peeling the printed paper from the plate material,
The paper peeling member has a support shaft extending substantially horizontally facing the outer peripheral surface of the plate material mounting body, and a peeling claw protruding from the support shaft toward the outer peripheral surface of the plate material mounting body,
The stencil printing machine, wherein the sheet peeling member is provided so that the peeling claw can rotate in a direction away from the outer peripheral surface of the plate material mounting body with one end of the support shaft as a fulcrum. 用紙剥離部材は、支持軸の上記一端を支点として、略水平方向へ回動できるように、設けられている、請求項１記載の孔版印刷機。   The stencil printing machine according to claim 1, wherein the sheet peeling member is provided so as to be rotatable in a substantially horizontal direction with the one end of the support shaft as a fulcrum. 版材装着体から版材を剥離する排版ユニットを、略水平方向に開閉可能に、備えており、
用紙剥離部材は、排版ユニットよりも下方の位置で、支持軸の上記一端を支点として、略水平方向へ回動できるように、設けられている、請求項１記載の孔版印刷機。 Equipped with a plate removal unit that peels off the plate material from the plate material mounting body so that it can be opened and closed in a substantially horizontal direction.
2. The stencil printing machine according to claim 1, wherein the sheet peeling member is provided at a position below the evacuation unit so as to be rotatable in a substantially horizontal direction with the one end of the support shaft as a fulcrum.
JP2008313335A 2008-12-09 2008-12-09 Stencil printing machine Expired - Fee Related JP5121682B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH047258A (en) * 1990-04-21 1992-01-10 Matsushita Electric Ind Co Ltd Paper discharger for picture forming device
JPH07261589A (en) * 1994-03-25 1995-10-13 Ricoh Co Ltd Fixing device for electrophotographic recording device
JP2003118220A (en) * 2001-10-15 2003-04-23 Tohoku Ricoh Co Ltd Printer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH047258A (en) * 1990-04-21 1992-01-10 Matsushita Electric Ind Co Ltd Paper discharger for picture forming device
JPH07261589A (en) * 1994-03-25 1995-10-13 Ricoh Co Ltd Fixing device for electrophotographic recording device
JP2003118220A (en) * 2001-10-15 2003-04-23 Tohoku Ricoh Co Ltd Printer

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