JP5992313B2 - Paper transport device - Google Patents

Paper transport device Download PDF

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JP5992313B2
JP5992313B2 JP2012273098A JP2012273098A JP5992313B2 JP 5992313 B2 JP5992313 B2 JP 5992313B2 JP 2012273098 A JP2012273098 A JP 2012273098A JP 2012273098 A JP2012273098 A JP 2012273098A JP 5992313 B2 JP5992313 B2 JP 5992313B2
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tractor
paper
transport
belt
auxiliary
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JP2014117840A (en
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政澄 池田
政澄 池田
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Toppan Forms Co Ltd
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Toppan Forms Co Ltd
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Description

本発明は、マージナル孔を有する用紙を搬送する搬送トラクタを備える用紙搬送装置に関する。   The present invention relates to a sheet conveying apparatus including a conveying tractor that conveys a sheet having a marginal hole.

近年、例えば大量の印刷物を作製する場合、連続用紙を搬送させて印刷を行うことが一般的であり、連続用紙には搬送させるために幅方向両側にマージナル孔が形成されたマージナル部が後に断裁廃棄され、若しくはそのままとなるものとして設けられ、ピン付きの搬送ベルトにより当該マージナル孔にピンを嵌合させてベルト回転させることで用紙搬送する搬送トラクタが用いられている。このような搬送トラクタの大部分は樹脂により成形されることから、特に回動部分の摩耗等による悪影響を回避する必要がある。   In recent years, for example, when producing a large amount of printed matter, it is common to perform printing by transporting continuous paper, and a marginal portion in which marginal holes are formed on both sides in the width direction for transporting the continuous paper is later cut. A conveyance tractor is provided that is disposed or left as it is, and conveys a sheet by rotating a belt by fitting a pin into the marginal hole by a conveyance belt with a pin. Since most of such a transport tractor is formed of resin, it is necessary to avoid an adverse effect caused especially by wear of the rotating part.

図５に、従来の搬送トラクタの説明図を示す。図５に示す搬送トラクタは、特許文献１に開示されている用紙送りトラクタであり、ここでは概略を説明する。図５（Ａ）において、用紙送りトラクタ１０１は、本体フレーム１０２に蓋体１０３が回動自在に取り付けられて、本体フレーム１０２に対して補助フレーム１０４がピン付きベルトを支持しながら当該本体フレーム１０２とにより当該ピン付きベルトを回転自在に挾持している構成である。   FIG. 5 is an explanatory diagram of a conventional transport tractor. The conveyance tractor shown in FIG. 5 is a paper feed tractor disclosed in Patent Document 1, and an outline thereof will be described here. In FIG. 5A, a paper feed tractor 101 has a lid 103 rotatably attached to a main body frame 102, and an auxiliary frame 104 supports a belt with a pin with respect to the main body frame 102 and the main body frame 102. Accordingly, the pinned belt is rotatably held.

本体フレーム１０２及び補助フレーム１０４には、ピン付きベルト１０５を回転させるための断面角状の駆動軸を受ける駆動軸受孔１０４Ａが形成されると共に、用紙幅方向に用紙送りトラクタ１０１を用紙幅方向に位置調整させる調整軸を受ける調整軸受孔１０４Ｂが形成されている。本体フレーム１０２には、特許文献１では蓋体１０３が回動自在に軸支されているが、ここでは２つのつがい部１０６Ａ，１０６Ｂで回動自在とし、当該蓋体１０３に対してコイルバネ１０７が懸架される。また、本体フレーム１０２には調整軸に対して調整後に固定する固定部（固定レバー１０８）が設けられている。   The main body frame 102 and the auxiliary frame 104 are formed with a drive bearing hole 104A for receiving a drive shaft having a square cross section for rotating the pinned belt 105, and the paper feed tractor 101 is positioned in the paper width direction. An adjustment bearing hole 104B that receives the adjustment shaft to be adjusted is formed. In Patent Document 1, a lid 103 is pivotally supported on the main body frame 102, but here, the two frames 106 </ b> A and 106 </ b> B are pivotable, and a coil spring 107 is attached to the lid 103. Suspended. The main body frame 102 is provided with a fixing portion (fixing lever 108) that is fixed to the adjustment shaft after adjustment.

上記蓋体１０３は、把持部１１１が形成され、ピン付きベルト１０５に対応する部分が開口されている。特許文献１では、この開口部分の周囲に紙押え板が取り付けられているが、ここでは、紙押え板を設けない場合として対向面となる押え面１１２Ａ，１１２Ｂを紙押えの役割とさせる。   The lid 103 is formed with a gripping portion 111 and an opening corresponding to the pinned belt 105 is opened. In Patent Document 1, a paper presser plate is attached around the opening, but here, the presser surfaces 112A and 112B, which are opposed surfaces, are used as a paper presser when no paper presser plate is provided.

このような用紙送りトラクタ１０１は、図示しない駆動軸及び調整軸に取り付け、適宜調整軸上で位置調整した後に、連続用紙１２１のマージナル部１２３に形成されたマージナル孔１２２Ａ（１２２Ｂは対向側として図示していない）をピン付きベルト１０５のピンに嵌合させることで用紙セットする。   Such a paper feed tractor 101 is attached to a drive shaft and an adjustment shaft (not shown), and after adjusting the position on the adjustment shaft as appropriate, a marginal hole 122A (122B is shown as the opposite side) formed in the marginal portion 123 of the continuous paper 121. Is set to the pin of the belt 105 with a pin.

そして、図５（Ｂ）に示すように、蓋体１０３を用紙側に回動させることで補助フレーム１０４との間で用紙１２１を挾持した状態とさせ、駆動軸を回転させることでピン付きベルト１０５が回転されて当該用紙１２１が搬送されるものである。   Then, as shown in FIG. 5 (B), the cover body 103 is rotated to the paper side so that the paper 121 is held between the auxiliary frame 104 and the drive shaft is rotated to rotate the belt with pins. 105 is rotated and the paper 121 is conveyed.

実開平０１−１１８９４７号公報Japanese Utility Model Publication No. 01-118947

上記用紙送りトラクタ１０１は、本体フレーム１０２に対して蓋体１０３を回動自在とさせるつがい部１０６Ａ，１０６Ｂには、切り込み部分が形成されており、当該切り込み部分の当接状態で図５（Ｂ）に示す状態から図５（Ａ）に示す蓋体１０３を立設した状態とさせている。   In the sheet feeding tractor 101, notches are formed in the connecting portions 106A and 106B that allow the lid 103 to rotate with respect to the main body frame 102. FIG. The lid 103 shown in FIG. 5A is erected from the state shown in FIG.

しかしながら、上記のような用紙送りトラクタ１０１は、その大部分が樹脂により成形されており、蓋体１０３の開状態、閉状態を繰り返すうちにつがい部１０６Ａ，１０６Ｂの切り込み部分が摩耗することにより、又は、作業者の力の入れ過ぎにより、図５（Ｃ）に示すようにコイルバネ１０７の付勢力で反り返る状態となり、その勢いで作業者に思わぬ衝撃を与えてしまうと共に、作業性が悪くなるという問題がある。   However, most of the sheet feeding tractor 101 as described above is molded of resin, and the cut portions of the coupling portions 106A and 106B are worn while the cover 103 is repeatedly opened and closed, or When the operator's force is excessively applied, as shown in FIG. 5C, the coil spring 107 is warped by the urging force, which gives an unexpected impact to the operator, and the workability deteriorates. There's a problem.

そこで、本発明は上記課題に鑑みなされたもので、用紙押え部の開放時の力の入れ過ぎや繰り返し開閉による摩耗によっても作業者に衝撃を与えず、作業性の悪化を防止する用紙搬送装置を提供することを目的とする。   SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is a paper transport device that prevents deterioration of workability without giving an impact to the operator even when excessive force is applied when the paper presser is opened or wear due to repeated opening and closing. The purpose is to provide.

上記課題を解決するために、請求項１の発明では、マージナル孔を備える用紙に対して、当該用紙のマージナル孔をピン付きベルトに嵌合させ、回動自在な用紙押え部で押えて搬送する樹脂製の搬送トラクタを有し、当該搬送トラクタが用紙の幅方向調整用の調整軸に摺動自在に取り付けられる用紙搬送装置であって、前記調整軸上で前記搬送トラクタと共に摺動自在であり、当該搬送トラクタの前記用紙押え部を開放位置で回動止めさせる延出部が形成されたトラクタ補助部を有する構成とする。   In order to solve the above-mentioned problem, in the invention of claim 1, with respect to a sheet having a marginal hole, the marginal hole of the sheet is fitted to a belt with a pin, and is conveyed while being pressed by a rotatable sheet pressing portion. A paper transport device having a transport tractor made of resin, the transport tractor being slidably attached to an adjustment shaft for adjusting the width direction of the paper, and slidable together with the transport tractor on the adjustment shaft The tractor auxiliary portion is provided with an extension portion for stopping the sheet pressing portion of the transport tractor from being rotated at the open position.

請求項２，３の発明では、「前記搬送トラクタは前記用紙押え部と共に前記用紙を挾持するベルト支持部を備えるもので、前記トラクタ補助部に当該ベルト支持部と係合する係合部が形成される」構成であり、
「前記搬送トラクタは前記用紙押え部と共に前記用紙を挾持するベルト支持部を備えるもので、前記トラクタ補助部に前記ピン付きベルトを回避しつつ当該ベルト支持部の底部を載置させる段差載置部が形成される」構成である。 According to the second and third aspects of the invention, “the transport tractor includes a belt support portion that holds the paper together with the paper pressing portion, and an engaging portion that engages with the belt support portion is formed in the tractor auxiliary portion. Configuration "
“The transport tractor includes a belt support portion that holds the paper together with the paper presser portion, and a step placement portion that places the bottom of the belt support portion on the tractor auxiliary portion while avoiding the belt with a pin. Is formed ".

請求項１の発明によれば、マージナル孔を備える用紙をピン付きベルトに嵌合させ、回動自在な用紙押え部で押えて搬送する樹脂製の搬送トラクタが用紙の幅方向調整用の調整軸に摺動自在に取り付けられ、調整軸上で搬送トラクタと共に摺動自在なトラクタ補助部に形成した延出部で用紙押え部を開放位置で回動止めさせる構成とすることにより、用紙押え部の開放時の力の入れ過ぎや繰り返し開閉による摩耗によってもトラクタ補助部の延出部で常に用紙押えの開放位置で回動止めさせることから、作業者に衝撃を与えず、作業性の悪化を防止することができるものである。   According to the first aspect of the present invention, the resin-made transport tractor that fits the paper having the marginal hole to the belt with the pin and transports the paper while pressing the paper with the rotatable paper presser is used for adjusting the width direction of the paper. The paper presser is fixed at the open position by the extension part formed on the auxiliary tractor that is slidable together with the transport tractor on the adjustment shaft. The extension of the tractor auxiliary part always stops rotation at the paper presser release position even when excessive force is applied at the time of opening or wear due to repeated opening and closing, preventing impact on the operator and preventing deterioration of workability. Is something that can be done.

請求項２，３の発明によれば、トラクタ補助部に、ベルト支持部に係合する係合部を形成し、又は、ピン付きベルトを回避しつつ当該ベルト支持部の底部を載置させる段差載置部を形成することにより、搬送トラクタを調整軸上でトラクタ補助部と共に調整移動させる際に当該搬送トラクタの調整軸との遊び間隙によるガタツキを防止して円滑な移動を行わせることができるものである。   According to the second and third aspects of the present invention, the tractor auxiliary portion is formed with the engaging portion that engages with the belt supporting portion, or the step for placing the bottom portion of the belt supporting portion while avoiding the belt with the pin. By forming the mounting portion, when the transport tractor is adjusted and moved together with the tractor auxiliary portion on the adjustment shaft, it is possible to prevent a play due to a play gap with the adjustment shaft of the transport tractor and to perform a smooth movement. Is.

本発明に係る用紙搬送装置の概念構成図である。It is a conceptual block diagram of the paper conveying apparatus which concerns on this invention. 図１の搬送トラクタ及びトラクタ補助部の組立状態の説明図である。It is explanatory drawing of the assembly state of the conveyance tractor of FIG. 1, and a tractor auxiliary | assistant part. 図１の搬送トラクタ及びトラクタ補助部の軸移動及び用紙押え部の開状態の説明図である。It is explanatory drawing of the shaft movement of the conveyance tractor of FIG. 1, and a tractor auxiliary | assistant part, and the open state of a paper pressing part. 本発明に係る用紙搬送装置におけるトラクタ補助部の他の形状の説明図である。It is explanatory drawing of the other shape of the tractor auxiliary | assistant part in the paper conveying apparatus which concerns on this invention. 従来の搬送トラクタの説明図である。It is explanatory drawing of the conventional conveyance tractor.

以下、本発明の実施形態を図により説明する。
図１に、本発明に係る用紙搬送装置の概念構成図を示す。図１（Ａ）において、用紙搬送装置１１は、左右対称に搬送トラクタ１２Ａ，１２Ｂが配置され、それぞれの搬送トラクタ１２Ａ，１２Ｂにトラクタ補助部１３Ａ，１３Ｂが組み合わされる（詳細は後述する）。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a conceptual configuration diagram of a sheet conveying apparatus according to the present invention. In FIG. 1A, the paper transport device 11 has transport tractors 12A and 12B arranged symmetrically, and tractor auxiliary sections 13A and 13B are combined with the transport tractors 12A and 12B (details will be described later).

用紙搬送装置１１は、搬送される連続用紙の幅方向に幅調整軸１４及びトラクタ駆動軸１５が懸架され、それぞれ搬送トラクタ１２Ａ，１２Ｂを貫通させ、幅調整軸１４は搬送トラクタ１２Ａ，１２Ｂに組み合わされたトラクタ補助部１３Ａ，１３Ｂをも貫通させる。当該幅調整軸１４及びトラクタ駆動軸１５に対して、その軸方向に搬送トラクタ１２Ａ，１２Ｂ及びトラクタ補助部１３Ａ，１３Ｂを摺動自在としている。   In the paper transport device 11, the width adjusting shaft 14 and the tractor drive shaft 15 are suspended in the width direction of the continuous paper to be transported, and pass through the transport tractors 12A and 12B, respectively. The width adjusting shaft 14 is combined with the transport tractors 12A and 12B. The tractor auxiliary portions 13A and 13B thus made are also penetrated. The transport tractors 12A and 12B and the tractor auxiliary portions 13A and 13B are slidable in the axial direction with respect to the width adjusting shaft 14 and the tractor drive shaft 15.

そして、搬送される用紙は、連続用紙２１であり、幅方向の両側にマージナル部２２Ａ，２２Ｂが設けられ、それぞれのマージナル部２２Ａ，２２Ｂにはマージナル孔２３が後述の搬送トラクタ１２Ａ，１２Ｂのピン付きベルトのピンピッチで形成されたものである。用紙搬送に関しては前述の図５と同様である。   The transported paper is a continuous paper 21, and marginal portions 22A and 22B are provided on both sides in the width direction. Marginal holes 23 are provided in the respective marginal portions 22A and 22B, and pins of transport tractors 12A and 12B described later. It is formed with the pin pitch of the attached belt. The sheet conveyance is the same as that in FIG.

以下、搬送トラクタ及びトラクタ補助部は左右同一なので、一方の搬送トラクタ１２Ａ及びトラクタ補助部１３Ａを主に説明する。図１（Ｂ）に示す搬送トラクタ１２Ａ（１２Ｂ）の構成は、図５において説明した従前の用紙送りトラクタと略同一である。すなわち、ベース板３２は図５の本体フレーム１０２に相当し、以下、用紙押え部３３は図５の蓋体１０３に、ベルト支持部３４は補助フレーム１０４に、ピン付きベルト３５は図５のピン付きベルト１０５に、つがい部３６Ａ，３６Ｂは図５のつがい部１０６Ａ，１０６Ｂに、コイルバネ３７は図５のコイルバネ１０７に、軸固定レバー３８は図５のロック部材１０８に、駆動軸受孔４３は図５の駆動軸受孔１０４Ａに、調整軸受孔４４は図５の調整軸受孔１０４Ｂに相当する。   Hereinafter, since the conveyance tractor and the tractor auxiliary part are the same on the left and right, one conveyance tractor 12A and the tractor auxiliary part 13A will be mainly described. The configuration of the transport tractor 12A (12B) shown in FIG. 1B is substantially the same as the conventional paper feed tractor described in FIG. That is, the base plate 32 corresponds to the main body frame 102 of FIG. 5, and hereinafter, the sheet pressing portion 33 is the lid 103 of FIG. 5, the belt support portion 34 is the auxiliary frame 104, and the belt 35 with pins is the pin of FIG. 5, the coupling portions 36A and 36B are coupled to the coupling portions 106A and 106B in FIG. 5, the coil spring 37 is coupled to the coil spring 107 in FIG. 5, the shaft fixing lever 38 is coupled to the lock member 108 in FIG. 5 and the adjustment bearing hole 44 correspond to the adjustment bearing hole 104B of FIG.

また、用紙押え部３３において、把持部４１は図５の把持部１１１、用紙押え面４２Ａ，４２Ｂは図５の用紙押え面１１２Ａ，１１２Ｂに相当する。一方、ベルト支持部３４は、図５の補助フレーム１０４とはその形状を異ならせ、箱状として対向する搬送トラクタ側を開放としたものである。この場合、側板３４Ａ及びその上下一部分が後述のトラクタ補助部１３Ａの規制部（５５）と係合する役割をなす。すなわち、ベース板３２とベルト支持部３４との間でピン付きベルト３５を位置させ、閉状態の用紙押え部３３の用紙押え面４２Ａ，４２Ｂと共にベルト支持部３４の上面で用紙２１を挾持状態とするものである。   Further, in the paper pressing portion 33, the gripping portion 41 corresponds to the gripping portion 111 in FIG. 5, and the paper pressing surfaces 42A and 42B correspond to the paper pressing surfaces 112A and 112B in FIG. On the other hand, the shape of the belt support portion 34 is different from that of the auxiliary frame 104 in FIG. In this case, the side plate 34A and its upper and lower parts serve to engage with a restricting portion (55) of the tractor auxiliary portion 13A described later. That is, the pinned belt 35 is positioned between the base plate 32 and the belt support portion 34, and the paper 21 is held on the upper surface of the belt support portion 34 together with the paper press surfaces 42 A and 42 B of the closed paper press portion 33. To do.

上記トラクタ補助部１３Ａ（１３Ｂ）は、図１（Ｃ）に示すように、底板５１の両側に「コ」の字状に対向側板５２Ａ，５２Ｂが一体的に立設状態で形成され、底板５１より距離をもって上記幅調整軸を通す軸受孔が形成されて調整軸受部５３Ａ，５３Ｂが設けられる。この対向側板５２Ａ，５２Ｂ間に搬送トラクタ１２Ａが位置される。対向側板５２Ａには延出部であるストッパレバー５４が一体的にに立設状態で形成され、当該ストッパレバー５４の一部を適宜傾斜させた形状としている。また、対向側板５２Ｂの一端から対向側板５２Ａ側に向かって係合部である規制部５５が一体的に形成されたものである。   As shown in FIG. 1C, the tractor auxiliary portion 13 </ b> A (13 </ b> B) is formed with opposing side plates 52 </ b> A and 52 </ b> B integrally standing on both sides of the bottom plate 51. A bearing hole through which the width adjusting shaft passes with a greater distance is formed to provide the adjusting bearing portions 53A and 53B. The transport tractor 12A is positioned between the opposing side plates 52A and 52B. The opposing side plate 52A is integrally formed with a stopper lever 54 that is an extending portion, and a part of the stopper lever 54 is appropriately inclined. Further, a restricting portion 55 that is an engaging portion is integrally formed from one end of the opposed side plate 52B toward the opposed side plate 52A.

ここで、図２に、図１の搬送トラクタ及びトラクタ補助部の組立状態の説明図を示す。まず、図２（Ａ）において、トラクタ補助部１３Ａの対向側板５２Ａ，５２Ｂ間に搬送トラクタ１２Ａを位置させる。そして、図２（Ｂ）に示すように、規制部５５をベルト支持部３４の内部側面３４Ａに沿って入り込ませることで組み合わせている。この場合、ベース板３２の図示しない調整軸受孔、ベルト支持部３４の調整軸受孔４４と、トラクタ補助部１３Ａに形成されている調整軸受部５３Ａ，５３Ｂとが同位置となる。これによって、搬送トラクタ１２Ａのベルト支持部３４とトラクタ補助部１３Ａとが係合規制状態となる。   Here, FIG. 2 shows an explanatory view of the assembled state of the transport tractor and the tractor auxiliary portion of FIG. First, in FIG. 2A, the transport tractor 12A is positioned between the opposing side plates 52A and 52B of the tractor auxiliary portion 13A. Then, as shown in FIG. 2B, the restricting portion 55 is combined by being inserted along the inner side surface 34 </ b> A of the belt support portion 34. In this case, the adjustment bearing hole (not shown) of the base plate 32, the adjustment bearing hole 44 of the belt support portion 34, and the adjustment bearing portions 53A and 53B formed in the tractor auxiliary portion 13A are at the same position. As a result, the belt support portion 34 of the transport tractor 12A and the tractor auxiliary portion 13A are brought into the engagement restricted state.

なお、トラクタ補助部１３Ａの底板５１と搬送トラクタ１２Ａの底面とは、少なくともピン付きベルト３５のピンが当たらないように距離を設けている。この意味では規制部５５がトラクタ補助部１３Ａの搬送トラクタ１２Ａへの組み合わせ時の位置合わせの役割をも果たしている。   In addition, the bottom plate 51 of the tractor auxiliary portion 13A and the bottom surface of the transport tractor 12A are provided with a distance so that at least the pin of the belt 35 with the pin does not hit. In this sense, the restricting portion 55 also plays a role of alignment when the tractor auxiliary portion 13A is combined with the transport tractor 12A.

そこで、図３に、図１の搬送トラクタ及びトラクタ補助部の軸移動及び用紙押え部の開状態の説明図を示す。上記搬送トラクタ１２Ａとトラクタ補助部１３Ａとが組み合わされた図２（Ｂ）の状態で、図３（Ａ）に示すように、ベース板３２の図示しない調整軸受孔、ベルト支持部３４の調整軸受孔４４及びトラクタ補助部１３Ａの調整軸受部５３Ａ，５３Ｂに幅調整軸１４が貫通される。また、ベース板３２の図示しない駆動軸受孔及びベルト支持部３４の駆動軸受孔４３にトラクタ駆動軸１５が貫通される。このとき、軸固定レバー３８は回転によって当然に固定開放状態とされている。   FIG. 3 is an explanatory diagram showing the shaft movement of the transport tractor and the tractor auxiliary portion and the open state of the sheet pressing portion in FIG. In the state shown in FIG. 2B in which the transport tractor 12A and the tractor auxiliary portion 13A are combined, as shown in FIG. 3A, an adjustment bearing hole (not shown) of the base plate 32 and an adjustment bearing of the belt support portion 34 are provided. The width adjusting shaft 14 passes through the hole 44 and the adjusting bearing portions 53A and 53B of the tractor auxiliary portion 13A. Further, the tractor drive shaft 15 passes through a drive bearing hole (not shown) of the base plate 32 and a drive bearing hole 43 of the belt support 34. At this time, the shaft fixing lever 38 is naturally fixed and released by rotation.

ここで、作業者がストッパレバー５４を持ち、トラクタ補助部１３Ａと共に搬送トラクタ１２Ａを幅調整軸１４上を摺動させる（トラクタ駆動軸１５上でも摺動される）。このとき、トラクタ補助部１３Ａの規制部５５とベルト支持部３４とが係合規制状態であることから、当該搬送トラクタ１２Ａの調整軸１４との遊び間隙よる破線矢印で示すようなガタツキ（回転ガタツキ）を防止して円滑な移動を行わせることができるものである。そこで、用紙２１の幅に応じた位置まで移動させたときに軸固定レバー３８を回転させて軸固定させるものである。   Here, the operator holds the stopper lever 54 and slides the transport tractor 12A together with the tractor auxiliary portion 13A on the width adjusting shaft 14 (sliding also on the tractor drive shaft 15). At this time, since the restricting portion 55 of the tractor auxiliary portion 13A and the belt support portion 34 are in the engagement restricting state, the play (rotation play) as shown by the broken line arrow due to the play gap with the adjustment shaft 14 of the transport tractor 12A. ) Can be prevented and smooth movement can be performed. Therefore, when the paper 21 is moved to a position corresponding to the width of the paper 21, the shaft fixing lever 38 is rotated to fix the shaft.

そして、作業者が把持部４１を持って用紙押え部３３を開放状態とさせるべく回動させると、当該用紙押え部３３はストッパレバー５４を越えては回動せずに開放位置に停止されるものである。この状態で前述の図５（Ａ）に示すように、用紙２１のマージナル孔２３をピン付きベルト３５のピンに嵌合させ、用紙押え部３３を回動させて閉状態とさせることで用紙搬送ができる状態となり、トラクタ駆動軸１５を回転駆動させることでピン付きベルト３５の回転により用紙搬送が行われるものである。なお、搬送トラクタ１２Ａの幅調整軸１４上での位置調整のための摺動を、図３（Ｂ）に示す用紙押え部３３を開放状態とさせた状態で行ってもよい。   Then, when the operator holds the grip portion 41 and rotates it so that the paper pressing portion 33 is opened, the paper pressing portion 33 does not rotate beyond the stopper lever 54 and is stopped at the open position. Is. In this state, as shown in FIG. 5A, the marginal hole 23 of the sheet 21 is fitted to the pin of the belt 35 with the pin, and the sheet pressing portion 33 is rotated to be in the closed state to convey the sheet. In this state, the tractor drive shaft 15 is driven to rotate and the sheet is conveyed by the rotation of the belt 35 with the pin. Note that sliding for position adjustment on the width adjusting shaft 14 of the transport tractor 12A may be performed in a state where the sheet pressing portion 33 shown in FIG.

このように、用紙押え部３３の開放時の力の入れ過ぎや繰り返し開閉による摩耗によってもトラクタ補助部１３Ａ（１３Ｂ）の延出部５４で常に用紙押えの開放位置で回動止めさせることから、作業者に衝撃を与えず、作業性の悪化を防止することができるものである。   In this way, the extension of the tractor auxiliary portion 13A (13B) is always prevented from rotating at the release position of the paper presser due to excessive application of force when the paper presser 33 is released and wear due to repeated opening and closing. It is possible to prevent deterioration of workability without giving an impact to the worker.

次に、図４に、本発明に係る用紙搬送装置におけるトラクタ補助部の他の形状の説明図を示す。図４（Ａ）において、トラクタ補助部１３Ａは、図１に示す規制部５５に代えて、底板５１に段差を設けて２段とした形状としたものである。すなわち、図１に示す底板５１と同等位置の本体底板５１Ａより１段上げた段差載置部である規制底板５１Ｂを形成させた形状として対向側板５２Ｂを縦寸法で短くしたものである。この場合、本体底板５１Ａがピン付きベルト３５のを回避させる位置となる。   Next, FIG. 4 shows an explanatory view of another shape of the tractor auxiliary portion in the paper conveying apparatus according to the present invention. In FIG. 4A, the tractor auxiliary portion 13A has a shape in which a step is provided on the bottom plate 51 in place of the restricting portion 55 shown in FIG. In other words, the opposing side plate 52B is shortened in the vertical dimension as a shape in which the regulation bottom plate 51B, which is a step mounting portion raised by one step from the main body bottom plate 51A at the same position as the bottom plate 51 shown in FIG. In this case, the main body bottom plate 51 </ b> A is in a position to avoid the pinned belt 35.

そして、搬送トラクタ１２Ａを対向側板５２Ａ，５２Ｂ間に挿入し、図４（Ｂ）に示すように、ベルト支持部３４の底部の一部を規制底板５１Ｂ上に載置させ、ベース板３２の図示しない調整軸受孔、ベルト支持部３４の調整軸受孔４４と、トラクタ補助部１３Ａに形成されている調整軸受部５３Ａ，５３Ｂとを同位置とさせるものである。   Then, the transport tractor 12A is inserted between the opposing side plates 52A and 52B, and as shown in FIG. 4B, a part of the bottom portion of the belt support portion 34 is placed on the regulation bottom plate 51B, and the base plate 32 is illustrated. The adjustment bearing hole that is not to be adjusted, the adjustment bearing hole 44 of the belt support portion 34, and the adjustment bearing portions 53A and 53B formed in the tractor auxiliary portion 13A are placed at the same position.

トラクタ補助部１３Ａ（１３Ｂ）を上記形状とすることによっても、トラクタ補助部１３Ａで搬送トラクタ１２Ａを幅調整軸１４上を摺動させる際、トラクタ補助部１３Ａの規制底板５１Ｂと載置されたベルト支持部３４の底部との接触で搬送トラクタ１２Ａの調整軸１４との遊び間隙よるガタツキ（回転ガタツキ）を防止して円滑な移動を行わせることができるものである。   Even when the tractor auxiliary portion 13A (13B) has the above shape, the belt placed on the regulating bottom plate 51B of the tractor auxiliary portion 13A when the transport tractor 12A slides on the width adjusting shaft 14 with the tractor auxiliary portion 13A. The contact with the bottom portion of the support portion 34 can prevent the play (rotation play) caused by the play gap with the adjustment shaft 14 of the transport tractor 12A, thereby enabling smooth movement.

本発明の用紙搬送装置は、搬送用のマージナル孔が形成された用紙を搬送させる搬送トラクタ及びこれを用いた装置の製造産業及びこれを使用する印刷産業等に利用可能である。   The paper transport device of the present invention can be used in a transport tractor for transporting a paper having a transport marginal hole formed therein, a manufacturing industry of a device using the transport tractor, a printing industry using the transport tractor, and the like.

１１ 用紙搬送装置
１２ 搬送トラクタ
１３ トラクタ補助部
１４ 幅調整軸
１５ トラクタ駆動軸
２１ 連続用紙
２２ マージナル部
２３ マージナル孔
３２ ベース板
３３ 用紙押え部
３４ ベルト支持部
３５ ピン付きベルト
３６ つがい部
３７ コイルバネ
３８ 軸固定レバー
４１ 把持部
４２ 用紙押え面
４３ 駆動軸受孔
４４ 調整軸受孔
５１ 底板
５１Ａ 本体底板
５１Ｂ 規制底板
５２ 対向側板
５３ 調整軸受部
５４ ストッパレバー
５５ 規制部 DESCRIPTION OF SYMBOLS 11 Paper conveying apparatus 12 Conveyor tractor 13 Tractor auxiliary | assistant part 14 Width adjustment shaft 15 Tractor drive shaft 21 Continuous paper 22 Marginal part 23 Marginal hole 32 Base plate 33 Paper pressing part 34 Belt support part 35 Belt with pin 36 Pairing part 37 Coil spring 38 Axis Fixed lever 41 Grasping part 42 Paper pressing surface 43 Drive bearing hole 44 Adjustment bearing hole 51 Bottom plate 51A Main body bottom plate 51B Restriction bottom plate 52 Opposite side plate 53 Adjustment bearing part 54 Stopper lever 55 Restriction part

Claims (3)

マージナル孔を備える用紙に対して、当該用紙のマージナル孔をピン付きベルトに嵌合させ、回動自在な用紙押え部で押えて搬送する樹脂製の搬送トラクタを有し、当該搬送トラクタが用紙の幅方向調整用の調整軸に摺動自在に取り付けられる用紙搬送装置であって、
前記調整軸上で前記搬送トラクタと共に摺動自在であり、当該搬送トラクタの前記用紙押え部を開放位置で回動止めさせる延出部が形成されたトラクタ補助部を有することを特徴とする用紙搬送装置。 For a paper having a marginal hole, the paper has a resin transport tractor that fits the marginal hole of the paper to a belt with a pin, and that is transported while being pressed by a rotatable paper presser. A paper transport device slidably attached to an adjustment shaft for adjusting the width direction,
A paper transport having a tractor auxiliary section formed with an extending portion that is slidable together with the transport tractor on the adjustment shaft and that stops the rotation of the paper pressing section of the transport tractor at an open position. apparatus. 請求項１記載の用紙搬送装置であって、前記搬送トラクタは前記用紙押え部と共に前記用紙を挾持するベルト支持部を備えるもので、前記トラクタ補助部に当該ベルト支持部と係合する係合部が形成されることを特徴とする用紙搬送装置。   2. The paper transport device according to claim 1, wherein the transport tractor includes a belt support portion that holds the paper together with the paper pressing portion, and an engagement portion that engages the belt support portion with the tractor auxiliary portion. Is formed. 請求項１記載の用紙搬送装置であって、前記搬送トラクタは前記用紙押え部と共に前記用紙を挾持するベルト支持部を備えるもので、前記トラクタ補助部に前記ピン付きベルトを回避しつつ当該ベルト支持部の底部を載置させる段差載置部が形成されることを特徴とする用紙搬送装置。   2. The paper transport device according to claim 1, wherein the transport tractor includes a belt support unit that holds the paper together with the paper pressing unit, and the belt support unit avoids the belt with a pin in the tractor auxiliary unit. A sheet conveying apparatus, wherein a step placing portion for placing a bottom portion of the portion is formed.
JP2012273098A 2012-12-14 2012-12-14 Paper transport device Active JP5992313B2 (en)

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JPS60123245U (en) * 1984-01-30 1985-08-20 株式会社ピ−エフユ− Tractor paper retainer
US4817842A (en) * 1988-01-29 1989-04-04 International Business Machines Corporation Door and spring assembly for a paper feed mechanism
JPH01118947U (en) * 1988-02-04 1989-08-11
JPH11217140A (en) * 1998-02-03 1999-08-10 Star Micronics Co Ltd Paper feeder

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