JP4819630B2 - Paper processing device - Google Patents
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- JP4819630B2 JP4819630B2 JP2006254558A JP2006254558A JP4819630B2 JP 4819630 B2 JP4819630 B2 JP 4819630B2 JP 2006254558 A JP2006254558 A JP 2006254558A JP 2006254558 A JP2006254558 A JP 2006254558A JP 4819630 B2 JP4819630 B2 JP 4819630B2
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Description
本発明は、搬送されてきた用紙を一旦停止させて順次積層し用紙の束として揃える用紙処理装置の技術分野に属する。 The present invention belongs to the technical field of a sheet processing apparatus that temporarily stops sheets that have been conveyed, sequentially stacks them, and aligns them as a bundle of sheets.
画像形成装置や丁合機等には、用紙の束を受け入れたり、用紙を１枚ずつ受け入れて積層蓄積し、用紙の束としてステープル綴じ、穿孔等の処理を行って排出する用紙処理装置が多く用いられる。
このような用紙処理装置には、用紙が揃った状態でステープル綴じや穿孔を行うことが必要なため、受け入れた用紙の束の端縁部分を揃える機構が設けられている。
例えば、後記特許文献１に記載されている装置（シート束整合装置）では、受け入れた用紙の先端を当接させてこの用紙を停止させるストッパ（前端辺位置決めストッパ１３１）を有しており、このストッパによって、先端が突き当てられた用紙が、この先端部分で揃えられるようになっている。
Many image processing apparatuses, collating machines, and the like accept paper bundles, accept sheets one by one, accumulate and stack them, and perform staple binding, punching, and other processing to eject them as bundles of paper. Used.
In such a paper processing apparatus, it is necessary to perform stapling and punching in a state where the papers are aligned, and thus a mechanism for aligning the edge portions of the received paper bundle is provided.
For example, the apparatus (sheet bundle aligning apparatus) described in Patent Document 1 below has a stopper (front end side positioning stopper 131) that stops the sheet by contacting the leading end of the received sheet. The sheet with the leading end abutted by the stopper is aligned at the leading end.
一方、用紙の両サイドは、装置に設けられたサイドガイド部材（特許文献１における、シート幅対向辺ガイド位置決め機構１２０相当）を当接させて挟むことにより、用紙両サイドの縁の部分を揃えるようになっている。
また、用紙の後端側には、バックジョグ部材（後端辺押揃え機構１４０）が設けられていて、これを、ストッパで停止している用紙の後端辺に繰り返し打接させて、用紙の前端縁後端縁を揃える構造となっている（例えば、特許文献１参照）。
Further, a back jog member (rear edge side alignment mechanism 140) is provided on the rear edge side of the paper, and this is repeatedly brought into contact with the rear edge of the paper stopped by the stopper to The front edge and the rear edge are aligned (see, for example, Patent Document 1).
前述した背景技術における用紙処理装置では、用紙を前後端で揃える際に、バックジョグ部材（後端辺押揃え機構１４０）を用紙の後端辺に打接、離間させる動作を繰り返し行うようになっており、この打接、離間の往復動作は、一般的に回数が多い方がよく揃うので、同一の用紙束に対し複数回の往復動作をさせるのが通例となっている。
しかしこのとき、バックジョグ部材が打接位置から離間し移動する際に、用紙が打接位置から離間方向に移動してしまい、一旦揃っていた用紙の束の揃いが崩れてしまうことがある。従って、用紙のステープル綴じや穿孔等の処理の際は、バックジョグ部材が打接位置をキープするように、バックジョグ部材の動きを制御しなければならなかった。
In the above-described paper processing apparatus in the background art, when aligning the paper at the front and rear ends, the back jog member (rear edge side alignment mechanism 140) is repeatedly contacted and separated from the rear edge of the paper. In general, the reciprocating operations of the contact and separation are generally performed more frequently, so that the reciprocating operation is usually performed a plurality of times on the same sheet bundle.
However, at this time, when the back jog member moves away from the striking position, the paper moves in the separation direction from the striking position, and the alignment of the bundle of sheets once aligned may be lost. Therefore, when the paper is stapled or punched, the back jog member has to be controlled so that the back jog member keeps the hitting position.
即ち、用紙を揃えるための単純な往復動作に加えて、後処理のタイミングを見はからって、バックジョグ部材を、打接位置に保持停止させるような制御が必要となって、この制御が複雑になる、という問題点があった。 That is, in addition to the simple reciprocating operation for aligning the sheets, it is necessary to control the back jog member to be held and stopped at the striking position in consideration of the timing of post-processing. There was a problem that it was complicated.
本発明の課題は、このような背景技術における問題点を解消して、バックジョグ部材に対する制御を単純化した用紙処理装置を提供することにある。 An object of the present invention is to provide a sheet processing apparatus that solves such problems in the background art and simplifies the control of the back jog member.
上記の課題を達成するために、本発明は以下の各構成を有する。
本発明の第１の構成は、搬送されてきた用紙を一旦停止させて順次積層し用紙の束として揃える用紙処理装置であって、
搬送されてきた用紙の前端に当接してこの用紙を停止させるストッパと、
このストッパで停止している用紙の束の後端部分に、後方から複数回打接してこの用紙の後端を揃えるバックジョグ部材と、
搬送されてきた用紙の下面に接し、用紙の先端が前記ストッパに当接したときに用紙の後端が自重で落ち込み係止され、バックジョグ部材が打接位置から離間し移動する際に用紙がストッパで跳ね返されて後退するのを防止する係止手段を有する後端係止部材と、
を備えて成ることを特徴とする用紙処理装置である。
In order to achieve the above object, the present invention has the following configurations.
A first configuration of the present invention is a sheet processing apparatus that temporarily stops the conveyed sheets, sequentially stacks them, and aligns them as a bundle of sheets,
A stopper that stops the paper by contacting the front edge of the conveyed paper;
A back jog member that hits the rear end of the bundle of sheets stopped by the stopper a plurality of times from the rear to align the rear end of the paper;
When the leading edge of the sheet comes into contact with the lower surface of the conveyed sheet and the leading edge of the sheet comes into contact with the stopper, the trailing edge of the sheet falls and is locked by its own weight, and the sheet moves when the back jog member moves away from the striking position. A rear end locking member having locking means for preventing it from being rebounded by a stopper, and
Is a sheet processing apparatus.
本発明の第２の構成は、前記第１の構成において、前記後端係止部材とストッパとの間隔は、用紙の搬送方向のサイズに応じて可変調整できることを特徴とする用紙処理装置である。 According to a second configuration of the present invention, in the first configuration, the distance between the trailing end locking member and the stopper can be variably adjusted according to the size in the paper transport direction. .
本発明の第３の構成は、前記第１の構成又は第２の構成において、前記バックジョグ部材は、用紙束の後端辺幅方向の中心位置の両側で打接する構造であることを特徴とする用紙処理装置である。 According to a third configuration of the present invention, in the first configuration or the second configuration, the back jog member has a structure in which the back jog member is in contact with both sides of the center position in the width direction of the trailing edge of the sheet bundle. This is a sheet processing apparatus.
本発明の第４の構成は、前記第１の構成、第２の構成又は第３の構成において、バックジョグ部材が、打接動作を連続して行うことを特徴とする用紙処理装置である。 According to a fourth aspect of the present invention, there is provided the sheet processing apparatus according to the first configuration, the second configuration, or the third configuration, wherein the back jog member continuously performs the hitting operation.
本発明第１の構成においては、バックジョグ部材のほかに、ストッパで停止した用紙の後端が自重で落ち込んで係止されて用紙がストッパで跳ね返されるのを防止する後端係止部材を設けて、バックジョグ部材が打接位置から後方の離間位置へと移動しても用紙が後方に跳ね返されないようにしているので、バックジョグ部材を、ステープル綴じ等の処理のタイミングを見はからって打接位置に戻してその位置を保持させる、という複雑な制御をしなくて済み、バックジョグ部材の動作制御を単純化することができる、という効果がある。
用紙後端係止面の高さを越える積載用紙については、用紙間摩擦により、跳ね返りが少ないのでバックジョグ部材による、打接により後端を充分に揃えることができる。
In the first configuration of the present invention, in addition to the back jog member, there is provided a rear end locking member for preventing the rear end of the paper stopped by the stopper from dropping due to its own weight and being locked, so that the paper is not rebounded by the stopper. Thus, even if the back jog member moves from the hitting position to the rear separation position, the paper is not bounced backward, so the back jog member should be checked for the timing of processing such as stapling. Thus, there is no need to perform complicated control of returning to the striking position and holding the position, and the operation control of the back jog member can be simplified.
For stacked sheets that exceed the height of the sheet rear end locking surface, there is little rebound due to friction between the sheets, so that the rear ends can be sufficiently aligned by striking with the back jog member.
本発明第２の構成においては、ストッパと後端係止部材との間隔が用紙のサイズ（搬送方向のサイズ）に応じて可変調整できる構造となっているので、用紙サイズの広い範囲に渡って対応できる、という効果がある。 In the second configuration of the present invention, the interval between the stopper and the rear end locking member can be variably adjusted in accordance with the size of the paper (size in the transport direction), so that it can be used over a wide range of paper sizes. There is an effect that it can respond.
本発明第３の構成においては、バックジョグ部材が、用紙束の後端辺に対し、後端辺中心位置の両側で打接する構造となっているので、用紙束の後端辺全体を均一に揃えることができる、という効果がある。 In the third configuration of the present invention, the back jog member has a structure in which the back edge side of the sheet bundle strikes both sides of the center position of the rear edge side, so that the entire rear edge side of the sheet bundle is uniformly formed There is an effect that it can be aligned.
本発明第４の構成においては、バックジョグ部材の打接動作を連続して行う構成となっているので、バックジョグ部材の制御が、打接位置と離間位置との間の往復運動を一定のリズムで繰り返すだけで良く、バックジョグ部材に対する制御をより一層単純化することができる。 In the fourth configuration of the present invention, since the back jog member is continuously driven, the back jog member is controlled so that the reciprocating motion between the hit position and the separation position is constant. It is only necessary to repeat the rhythm, and the control of the back jog member can be further simplified.
上記各構成において、ストッパは、１枚の金属板を切断加工、折り曲げ加工して形成するのが本発明を実施するための最良の実施の形態であり、また、後端係止部材との間の間隔調整は、このストッパを移動させることにより行うのが最良である。
その理由は、後端側で調整するには、後端係止部材とバックジョグ部材の両方を設定し直ししなければならないからである。
また、バックジョグ部材及び後端係止部材を、それぞれ、１枚の金属板を、切断加工、折り曲げ加工して形成するのが、コストの面から見て最良の形態である。
更にバックジョグ部材の打接動作は、第１の構成では複数回としているが、第４の構成のように、連続して行うようにするのが、バックジョグ部材の制御がより一層単純化されるので最良の形態である。
In each of the above configurations, the stopper is formed by cutting and bending a single metal plate in the best mode for carrying out the present invention. It is best to adjust the distance by moving the stopper.
The reason is that both the rear end locking member and the back jog member must be reset in order to adjust on the rear end side.
Further, it is the best mode from the viewpoint of cost to form the back jog member and the rear end locking member by cutting and bending a single metal plate.
Further, the back jog member hitting operation is performed a plurality of times in the first configuration, but the back jog member control is further simplified by performing it continuously as in the fourth configuration. This is the best mode.
以下、本発明の実施例を図面を参照して説明する。
図１は本発明の実施例を説明するための斜視図、図２はその要部の側面図、図３は図２における要部の拡大側面図、図４はこの実施例における用紙処理装置全体の平面図である。
この実施例における用紙処理装置は、搬送ベルト４０（図１〜図４の各図参照）上流側から搬送されて来た用紙を一旦停止させて順次積層し、用紙の束として揃える装置であって、用紙Ｓ（図２参照）の前端に当接してこの用紙Ｓを停止させるストッパ１０（図１、図２、図４参照）と、停止している用紙Ｓの後端部分に、その後方から打接してこれを揃えるバックジョグ部材２０（図１〜図４各図参照）と、ストッパ１０で用紙Ｓが停止すると、その後端が自重で落ち込んで、この後端部分を係止（用紙後端係止段差３１により）して用紙Ｓが跳ね返るのを防止する後端係止部材３０（図１〜図４各図参照）と、を有している。
Embodiments of the present invention will be described below with reference to the drawings.
1 is a perspective view for explaining an embodiment of the present invention, FIG. 2 is a side view of an essential part thereof, FIG. 3 is an enlarged side view of the essential part in FIG. 2, and FIG. FIG.
The sheet processing apparatus in this embodiment is an apparatus that temporarily stops and sequentially stacks sheets conveyed from the upstream side of the conveying belt 40 (see FIGS. 1 to 4), and arranges them as a bundle of sheets. A stopper 10 (see FIGS. 1, 2 and 4) for stopping the sheet S by contacting the front end of the sheet S (see FIG. 2) and a rear end portion of the stopped sheet S from behind When the paper S is stopped by the back jog member 20 (see each of FIGS. 1 to 4) that strikes and aligns, and the stopper 10, the trailing edge falls by its own weight, and the trailing edge is locked (the trailing edge of the paper) And a rear end locking member 30 (see FIGS. 1 to 4) for preventing the paper S from bouncing off.
また、この実施例では、用紙の幅方向をガイドして、この用紙が正常に搬送されるように、サイドガイド５０，５１が設けられており、またサイドガイド５１は、用紙サイズに応じてガイド位置が可変調整できるように移動可能な構造となっている。 In this embodiment, side guides 50 and 51 are provided so that the width direction of the sheet is guided and the sheet is normally conveyed, and the side guide 51 is guided according to the sheet size. The structure is movable so that the position can be variably adjusted.
更に、この実施例では、用紙サイズに応じて、ストッパ１０と後端係止部材３０との間隔が可変できるようになっており、この間隔調整を、ストッパ１０の位置を移動させることによって行っている。ストッパ１０を移動させるようにすると、ストッパ１０の移動だけで間隔調整ができるのに対して、後端係止部材３０を移動させると、バックジョグ部材２０による用紙の打接位置も変えなければならなくなるので、設定に手間がかかるからである。 Furthermore, in this embodiment, the interval between the stopper 10 and the rear end locking member 30 can be varied according to the paper size, and this interval adjustment is performed by moving the position of the stopper 10. Yes. When the stopper 10 is moved, the interval can be adjusted only by moving the stopper 10, whereas when the rear end locking member 30 is moved, the paper contact position by the back jog member 20 must also be changed. This is because it takes time to set up.
更にまた、この実施例では、バックジョグ部材２０による用紙後端の打接動作が、常時連続して行われるようになっている。こうすることで、バックジョグ部材２０の制御を単純化することができる。
上記実施例においては、ストッパも、後端係止部材もバックジョグ部材も１枚の金属板からの打ち抜き曲げ加工で形成している。
Furthermore, in this embodiment, the operation of hitting the trailing edge of the sheet by the back jog member 20 is always performed continuously. By doing so, the control of the back jog member 20 can be simplified.
In the above embodiment, the stopper, the rear end locking member, and the back jog member are formed by punching and bending from a single metal plate.
１０ ストッパ
２０ バックジョグ部材
３０ 後端係止部材
３１ 用紙後端係止段差
４０ 搬送ベルト
５０ サイドガイド
５１ サイドガイド
DESCRIPTION OF SYMBOLS 10 Stopper 20 Back jog member 30 Rear end latching member 31 Paper rear end latching step 40 Conveying belt 50 Side guide 51 Side guide
Claims (4)
搬送されてきた用紙の前端に当接してこの用紙を停止させるストッパと、
このストッパで停止している用紙の束の後端部分に、後方から複数回打接してこの用紙の後端を揃えるバックジョグ部材と、
搬送されてきた用紙の下面に接し、用紙の先端が前記ストッパに当接したときに用紙の後端が自重で落ち込み係止され、バックジョグ部材が打接位置から離間し移動する際に用紙がストッパで跳ね返されて後退するのを防止する係止手段を有する後端係止部材と、
を備えて成ることを特徴とする用紙処理装置。 A paper processing apparatus that temporarily stops the transported paper, and sequentially stacks and aligns the paper as a bundle of paper,
A stopper that stops the paper by contacting the front edge of the conveyed paper;
A back jog member that hits the rear end of the bundle of sheets stopped by the stopper a plurality of times from the rear to align the rear end of the paper;
When the leading edge of the sheet comes into contact with the lower surface of the conveyed sheet and the leading edge of the sheet comes into contact with the stopper, the trailing edge of the sheet falls and is locked by its own weight, and the sheet moves when the back jog member moves away from the striking position. A rear end locking member having locking means for preventing it from being rebounded by a stopper, and
A sheet processing apparatus comprising:
ことを特徴とする請求項１記載の用紙処理装置。 The paper processing apparatus according to claim 1, wherein a distance between the rear end locking member and the stopper can be variably adjusted according to a size in a paper transport direction.
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| JPS63295366A (en) * | 1987-05-25 | 1988-12-01 | Dainippon Printing Co Ltd | Paper aligning device |
| JP2001213567A (en) * | 2000-01-31 | 2001-08-07 | Sharp Corp | Post-processing device and image forming device using it |
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