JP5774372B2 - Paper sheet stacking device - Google Patents

Paper sheet stacking device Download PDF

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JP5774372B2
JP5774372B2 JP2011112889A JP2011112889A JP5774372B2 JP 5774372 B2 JP5774372 B2 JP 5774372B2 JP 2011112889 A JP2011112889 A JP 2011112889A JP 2011112889 A JP2011112889 A JP 2011112889A JP 5774372 B2 JP5774372 B2 JP 5774372B2
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impeller
paper sheet
stacking
reference point
sensor
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JP2012240799A (en
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純 岡本
純 岡本
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Toshiba Corp
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Description

本実施例は、有価証券などの紙葉類を判別して区分集積する紙葉類処理装置に搭載される紙葉類集積装置に関する。   The present embodiment relates to a paper sheet stacking apparatus mounted on a paper sheet processing apparatus that discriminates and stacks paper sheets such as securities.

有価証券などの紙葉類を処理する紙葉類処理装置は、供給部に一括して供給された紙葉類束を取出位置まで移動し、当該紙葉類束の最上面の紙葉類から１枚ずつ取出装置によって取り出して搬送し、紙葉類判別装置によって当該紙葉類の種類、真偽、正損及び搬送方向などを判別し、その判別結果に基づいて紙葉類集積装置による集積などの区分処理をする装置である。   The paper sheet processing apparatus for processing paper sheets such as securities moves to the take-out position of the paper sheet bundle that is collectively supplied to the supply unit, and starts from the uppermost sheet of the paper sheet bundle. Each sheet is taken out and conveyed one by one by the take-out device, and the type, authenticity, correctness, and conveyance direction of the paper sheet are discriminated by the paper sheet discriminating device, and the paper sheet accumulating device accumulates based on the discrimination result It is a device that performs sorting processing.

この種の装置は既に実用化されており、紙葉類処理装置の集積装置には羽根車集積装置が用いられる場合が多い。大量の紙葉類を高速に搬送して集積する場合、当該搬送される紙葉類を静止させるために紙葉類の運動エネルギーを吸収しながら集積庫に集積する方法として羽根車集積装置が適していることによる。   This type of apparatus has already been put to practical use, and an impeller stacking apparatus is often used as the stacking apparatus for the paper sheet processing apparatus. When transporting and stacking a large amount of paper sheets at high speed, an impeller stacking device is suitable as a method for stacking paper sheets while absorbing the kinetic energy of the paper sheets in order to keep the transported paper sheets stationary. It depends on.

この羽根車集積装置は、上述したように高速に搬送される紙葉類の運動エネルギーを回転する羽根間で吸収しながら所定の位置（集積庫など）に集積する手段として知られているが、回転する羽根と羽根の間に紙葉類を取込む必要があるため、搬送される紙葉類の通過を検知する第１のセンサと、羽根間に取り込まれた後、所定の時間後に内部ストッパに到達したことを検知する第２のセンサを設け、集積不良を検知する方法が知られている（例えば、特許文献１参照）。   This impeller accumulating device is known as a means for accumulating at a predetermined position (accumulating warehouse etc.) while absorbing the kinetic energy of the paper sheets conveyed at high speed between rotating blades as described above. Since it is necessary to take in paper sheets between the rotating blades, the first sensor that detects the passage of the conveyed paper sheets and the internal stopper after a predetermined time after being taken in between the blades A method of detecting a stacking failure by providing a second sensor for detecting the arrival of the sensor has been known (for example, see Patent Document 1).

特開２００５−１７０６４９号公報（第４−５頁、図１）JP 2005-170649 A (page 4-5, FIG. 1)

しかしながら、上述した羽根車集積装置は、紙葉類が羽根車集積装置に取込まれる直近までは搬送ベルトによって上面及び下面搬送ベルトによって挟持搬送されるが、搬送ベルトの終端では、紙葉類が放出され、羽根間で取込む必要がある。そのため、搬送ベルト終端から放出された紙葉類を取込む羽根間には、搬送ベルトがないか又は上面搬送ベルトのみの場合が多い。   However, the impeller stacking device described above is nipped and transported by the upper and lower transport belts by the transport belt until the paper sheets are taken into the impeller stacking device. Released and needs to be captured between the blades. Therefore, there are many cases where there is no conveyance belt or only the upper surface conveyance belt between the blades that take in the paper sheets discharged from the end of the conveyance belt.

この結果、上記特許文献１記載の羽根車集積装置では、搬送ベルト終端から放出された紙葉類の先端が羽根間に到達する直前の羽根の位置の検知が十分でないために羽根間に紙葉類が確実に取り込まれたかどうかの確認が不十分であり、集積不良などの障害が発生する場合があった。すなわち、特許文献１では、羽根間に取込まれた後に羽間の奥（ストッパ）まで正常に取込まれなかった場合の集積障害の検知を行っているが、羽根間に取込む直前の羽根と紙葉類の位置の確認を行っていなかった。   As a result, in the impeller stacking device described in Patent Document 1, since the position of the blade immediately before the leading edge of the paper sheet discharged from the end of the conveying belt reaches between the blades is not sufficiently detected, the paper sheet between the blades. In some cases, it has been insufficiently confirmed whether or not any kind has been taken in, and failures such as defective integration may occur. In other words, in Patent Document 1, an accumulation failure is detected when it is not captured normally between the blades (stopper) after being captured between the blades. And the position of the paper sheet was not confirmed.

本発明は、上記課題を解決するためになされたもので、上面ベルトで形成された搬送面と羽根先端が交差する羽根基準点に羽根基準点センサを配置し、当該羽根基準点センサを通過する紙葉類を所定のタイミングで検知することにより、紙葉類が羽根車集積装置の羽根間に確実に取込まれたかを確認することが可能な羽根車集積装置を提供することを目的とする。 The present invention has been made to solve the above problems, a blade root reference point sensor is arranged on the wing reference point is the conveying surface and the blade tip is formed in the upper surface belt crosses, the blade root reference point sensor An object of the present invention is to provide an impeller stacking device capable of confirming whether paper sheets are reliably taken in between the blades of the impeller stacking device by detecting passing paper sheets at a predetermined timing. And

上記目的を達成するために、本発明の請求項１記載の紙葉類集積装置は、所定のピッチで搬送される紙葉類を搬送路の終端から放出する終端搬送路と、この終端搬送路から放出された紙葉類を回転する羽根車に取込んで集積する羽根車集積装置を備えた紙葉類集積装置であって、前記終端搬送路は、前記羽根車集積装置の羽根車の直近搬送上流に配置され紙葉類を放出する第１の搬送ローラと、この第１の搬送ローラに掛け回された第１の搬送ベルトと、前記羽根車の直近搬送下流に配置された第２の搬送ローラと、前記第１の搬送ローラに掛けられ、前記第２の搬送ローラに掛け回された第２の搬送ベルトと、前記第１の搬送ローラの直近搬送上流に配置され搬送される紙葉類を検知する集積入口センサと、前記第２の搬送ベルトによって形成される搬送面と羽根車の羽根先端が交差する羽根基準点を通過する紙葉類を検知する羽根基準点センサと、を備え、前記羽根車集積装置は、回転軸を有する円盤状体で構成され、その回転軸から周辺に向かって複数の羽根を有し、前記終端搬送路の終端から放出された紙葉類の搬送に同期して回転することにより前記羽根間で当該紙葉類を取込む羽根車と、この羽根車の羽根を検知する羽根車回転センサと、前記羽根車回転センサが前記羽根車を検知した後、前記終端搬送路の終端から放出された紙葉類の先端が所定の許容時間後に前記羽根基準点に到達したかどうかを確認する制御手段と、を備え、前記制御手段は、前記羽根車回転センサが前記羽根車を検知したタイミングで、前記終端搬送路の終端から放出された紙葉類の先端が前記羽根車基準点に到達していないことを確認する確認手段と、前記羽根車回転センサが前記羽根車を検知した後、所定の許容時間後に前記羽根車基準点に到達したことを確認した場合は、集積動作が正常であると判別し、前記羽根車回転センサが前記羽根車を検知した際、当該紙葉類の先端が羽根車基準点に到達している場合は、集積動作が異常であると判別する判別手段と、を備えたことを特徴とする。 In order to achieve the above object, a paper sheet stacking apparatus according to claim 1 of the present invention includes a terminal transport path for discharging paper transported at a predetermined pitch from the terminal end of the transport path, and the terminal transport path. A paper sheet stacking device having an impeller stacking device for collecting and stacking paper sheets discharged from a rotating impeller, wherein the terminal conveyance path is in the immediate vicinity of the impeller of the impeller stacking device A first conveying roller disposed upstream of the sheet for discharging paper sheets, a first conveying belt wound around the first conveying roller, and a second conveying roller disposed immediately downstream of the impeller. A paper sheet that is transported by being disposed on a transport roller, a second transport belt that is hung on the first transport roller and wound around the second transport roller, and upstream of the first transport roller. The integrated inlet sensor for detecting the kind and the second conveyor belt A blade reference point sensor that detects a paper sheet that passes through a blade reference point at which the blade tip of the impeller intersects, and the impeller stacking device is a disk-like body having a rotation axis. A plurality of blades from the rotating shaft toward the periphery, and the paper sheets are rotated between the blades by rotating in synchronization with the conveyance of the paper sheets discharged from the terminal end of the terminal conveying path. An impeller to be taken in, an impeller rotation sensor for detecting the impeller blades, and after the impeller rotation sensor detects the impeller, the leading edge of the paper sheet discharged from the end of the end conveyance path is and a control means for confirming whether reached the wing reference point after a predetermined allowable time, the control means, at the timing when the impeller rotation sensor detects the impeller end of the end conveyor path The leading edge of the paper sheet released from When confirming that the impeller reference point has not been reached, and confirming that the impeller reference point has been reached after a predetermined allowable time after the impeller rotation sensor detects the impeller The stacking operation is abnormal when it is determined that the stacking operation is normal and the tip of the paper sheet reaches the impeller reference point when the impeller rotation sensor detects the impeller. And a discriminating means for discriminating between.

本発明の実施例に係る紙葉類処理装置に搭載される紙葉類集積装置の一例An example of a paper sheet stacking apparatus mounted on a paper sheet processing apparatus according to an embodiment of the present invention 終端搬送路によって搬送される紙葉類と、羽根基準点センサ及び羽根車回転センサとの動作を説明する図The figure explaining operation | movement with the paper sheets conveyed by the terminal conveyance path, a blade reference point sensor, and an impeller rotation sensor. 図２に示す紙葉類集積装置の動作を説明する集積入口センサ、羽根基準点センサ及び羽根車回転センサの動作を説明するタイミングチャートFIG. 2 is a timing chart for explaining operations of the accumulation inlet sensor, the blade reference point sensor, and the impeller rotation sensor for explaining the operation of the paper sheet stacking apparatus shown in FIG.

本発明の羽根車集積装置は、有価証券等紙葉類を処理する紙葉類処理装置の紙葉類集積装置に使用される。本実施例では、当該紙葉類処理装置によって当該処理紙葉類が所定のピッチで搬送され、紙葉類判別装置によって判別され、その判別結果に基づいて区分された紙葉類を集積するために搬送路の終端に配置される羽根車集積装置に関する。発明を実施するための形態は、以下、図面を参照して本発明の実施例に記載する。   The impeller stacking apparatus of the present invention is used in a paper sheet stacking apparatus of a paper sheet processing apparatus that processes paper sheets such as securities. In the present embodiment, the processed paper sheets are conveyed at a predetermined pitch by the paper sheet processing apparatus, are discriminated by the paper sheet discriminating apparatus, and the paper sheets classified based on the discrimination result are accumulated. The present invention relates to an impeller stacking device disposed at the end of the transport path. The mode for carrying out the invention will be described below in an embodiment of the present invention with reference to the drawings.

図１は、本実施例に係る紙葉類処理装置（図示しない）に搭載される紙葉類集積装置１００の一例である。図１（１）は平面図で、図１（２）は正面図である。   FIG. 1 is an example of a paper sheet stacking apparatus 100 mounted on a paper sheet processing apparatus (not shown) according to the present embodiment. 1A is a plan view, and FIG. 1B is a front view.

紙葉類Ｐは、当該紙葉類処理装置の搬送路上に配置された紙葉類判別装置（図示しない）によって判別され、その判別結果に基づいて区分搬送される。本実施例では、上記紙葉類判別装置によって判別された紙葉類が紙葉類集積装置１００に集積される場合を説明する。   The paper sheet P is discriminated by a paper sheet discriminating device (not shown) arranged on the transport path of the paper sheet processing apparatus, and is sorted and conveyed based on the discrimination result. In the present embodiment, a case will be described in which the paper sheets discriminated by the paper sheet discriminating apparatus are stacked on the paper sheet stacking apparatus 100.

紙葉類は、搬送路によって紙葉類集積装置１００に搬送される。紙葉類集積装置１００は、終端搬送路１１０と羽根車集積装置１２０を有して構成される。   The paper sheets are conveyed to the paper sheet stacking apparatus 100 through the conveyance path. The paper sheet stacking apparatus 100 is configured to include a terminal conveyance path 110 and an impeller stacking apparatus 120.

終端搬送路１１０は、羽根車集積装置１２０の入口に配置された搬送ローラ１（第１の搬送ローラ）に掛け回された２個の下面搬送ベルト２（第１の搬送ベルト２ａ、２ｂの総称）及び搬送ローラ３（第２の搬送ローラ）に掛け回された２個の上面搬送ベルト４（第２の搬送ベルト４ａ、４ｂの総称）を備え、搬送される紙葉類を搬送ローラ１の出口１ａから羽根車集積装置１２０に向かって放出（供給）する。図示した例では、紙葉類Ｐ１が搬送ローラ１の出口１ａから羽根車集積装置１２０に向かって放出される状態を示している。この放出された紙葉類Ｐ１は、上面搬送ベルト（第２の搬送ベルト）４（４ａ、４ｂの総称）からなる２個の搬送ベルトによって当該紙葉類の搬送方向両端部がガイドされて放出される。   The end conveyance path 110 is a generic name of two lower surface conveyance belts 2 (first conveyance belts 2a and 2b) wound around conveyance rollers 1 (first conveyance rollers) arranged at the entrance of the impeller stacking device 120. ) And two upper surface conveyor belts 4 (a general term for the second conveyor belts 4a and 4b) wound around the conveyor roller 3 (second conveyor roller). Release (supply) from the outlet 1a toward the impeller accumulator 120. In the illustrated example, a state in which the paper sheet P1 is discharged from the exit 1a of the transport roller 1 toward the impeller stacking device 120 is illustrated. The discharged paper sheet P1 is discharged by guiding both ends in the transport direction of the paper sheet by two transport belts composed of an upper surface transport belt (second transport belt) 4 (a generic name of 4a and 4b). Is done.

なお、第１の搬送ローラ１より上流の終端搬送路では上記下面搬送ベルト２及び上面搬送ベルト４によって上下から紙葉類が挟持されて搬送されるのは言うに及ばない。   Needless to say, a sheet is sandwiched and conveyed from above and below by the lower surface conveying belt 2 and the upper surface conveying belt 4 in the terminal conveying path upstream from the first conveying roller 1.

また、本実施例では、この終端搬送路１１０を通過する紙葉類を検知するために集積入口センサＳ１（Ｓ１ａ、Ｓ１ｂの総称）及び羽根基準点センサＳ２が配置されている。   Further, in this embodiment, an accumulation inlet sensor S1 (generic name for S1a and S1b) and a blade reference point sensor S2 are disposed in order to detect paper sheets passing through the terminal conveyance path 110.

集積入口センサＳ１ａ、Ｓ１ｂは、搬送ベルト４の内側に配置される。この集積入口センサＳ１ａ、Ｓ１ｂによる検知信号は、論理和（ＯＲ）されて使用される。以下、この論理和された検知信号を集積入口センサＳ１による検知信号と称する。本実施例では集積入口センサＳ１ａ、Ｓ１ｂで示すように２個配置したが、必ず２個を必要とするものではなく、当該搬送ベルト４の中間に１個用いた場合であってもよい。２個使用することにより、例えば紙葉類の搬送方向先端の一方の角が折れて搬送された場合であっても他方の紙葉類の先端を検知することが可能になるため、当該紙葉類の誤検知を防止することができるという効果がある。   The accumulation inlet sensors S1a and S1b are disposed inside the conveyor belt 4. The detection signals from the integrated inlet sensors S1a and S1b are used after being logically ORed. Hereinafter, this ORed detection signal is referred to as a detection signal from the integrated inlet sensor S1. In this embodiment, two are arranged as indicated by the accumulation inlet sensors S1a and S1b, but two are not necessarily required, and one may be used in the middle of the conveyor belt 4. By using two, it becomes possible to detect the leading edge of the other paper sheet even when, for example, one corner of the leading edge of the paper sheet is folded and conveyed. There is an effect that it is possible to prevent a false detection of a kind.

羽根基準点センサＳ２は、搬送ベルト４によって形成される搬送面と、羽根車５ａ、５ｂの羽根先端が交差する羽根基準点ＴＰ１で示される搬送位置を通過する紙葉類を検知するセンサであり、投光器及び受光器からなる光学センサによって構成される。   The blade reference point sensor S2 is a sensor that detects paper sheets that pass through a conveyance position indicated by a blade reference point TP1 where the conveyance surface formed by the conveyance belt 4 and the blade tips of the impellers 5a and 5b intersect. The optical sensor includes a projector and a light receiver.

羽根車集積装置１２０には、同軸上に配置された２個の羽根車５ａ、５ｂ、振動版６、一時集積庫８、掻き出し版９、底板１０が備えられている。また、羽根車集積装置１２０を構成する羽根の回転位置を検知する羽根車回転センサＳ３が上記羽根基準点センサＳ２の回転方向上流に配置される。また、これらの各構成部分は、紙葉類集積装置を制御する集積制御部（図示しない）によって制御される。   The impeller stacking device 120 includes two impellers 5a and 5b, a vibrating plate 6, a temporary stacking box 8, a scraping plate 9, and a bottom plate 10 arranged on the same axis. In addition, an impeller rotation sensor S3 that detects the rotational position of the blades constituting the impeller stacking device 120 is disposed upstream in the rotation direction of the blade reference point sensor S2. Each of these components is controlled by an accumulation control unit (not shown) that controls the paper sheet stacking apparatus.

羽根車５ａ、５ｂは、円盤状体を有し、その中心から周辺に向かって複数の羽根を有し、同様に構成される。羽根車５ａ、５ｂはまた、２個の上面搬送ベルト４の内側に同軸上に配置される。また、この羽根車５ａ、５ｂを駆動する駆動モータ（図示しない）及び振動板６に振動を与える駆動モータ７が備えられている。   The impellers 5a and 5b have a disk-like body, have a plurality of blades from the center toward the periphery, and are similarly configured. The impellers 5a and 5b are also coaxially arranged inside the two upper surface conveyor belts 4. Further, a drive motor (not shown) for driving the impellers 5a and 5b and a drive motor 7 for applying vibration to the diaphragm 6 are provided.

このように構成された羽根車５ａ、５ｂは、複数の羽根が羽根車５ａ、５ｂの回転軸の周りに組み込まれて構成され、搬送されてきた紙葉類の搬送に同期して回転している。この回転する羽根間で紙葉類を受取ることによって、高速に搬送される紙葉類の搬送エネルギーを吸収することができ、当該紙葉類にダメージを与えることなく静止させ、かつ当該紙葉類を掻き出し板９で掻き出すことができる。   The impellers 5a and 5b configured as described above are configured such that a plurality of blades are incorporated around the rotation shafts of the impellers 5a and 5b, and rotate in synchronization with the conveyance of the conveyed paper sheets. Yes. By receiving the paper sheet between the rotating blades, the conveyance energy of the paper sheet conveyed at high speed can be absorbed, and the paper sheet can be stopped without damaging the paper sheet, and the paper sheet Can be scraped off by the scraping plate 9.

このようにして掻き出された紙葉類の端面は、振動板６による振動を受けて揃えられ、一時集積庫８の底板１０の上に順番に集積される。   The end faces of the paper sheets scraped out in this way are aligned by receiving vibrations from the vibration plate 6 and are sequentially stacked on the bottom plate 10 of the temporary stacker 8.

また、羽根車集積装置１２０には、羽根車５（５ａ、５ｂの総称）の羽根の回転位置を検知する羽根車回転センサＳ３が羽根基準点センサＳ２の近傍に配置される。具体的には、羽根先端（例えば、羽根５ａｍ）が羽根基準点ＴＰ１に到達したとき、羽根車回転センサＳ３が羽根５ａｐを検知する位置に配置する。図１（２）は、集積入口センサＳ１、羽根基準点センサＳ２、羽根車回転センサＳ３、搬送ベルト４の配置位置を示す。   In the impeller accumulation device 120, an impeller rotation sensor S3 that detects the rotational position of the impeller 5 (generic name of the impeller 5a and 5b) is disposed in the vicinity of the impeller reference point sensor S2. Specifically, when the blade tip (for example, the blade 5am) reaches the blade reference point TP1, the impeller rotation sensor S3 is disposed at a position where the blade 5ap is detected. FIG. 1B shows the arrangement positions of the integrated inlet sensor S1, the blade reference point sensor S2, the impeller rotation sensor S3, and the conveyor belt 4.

図２は、終端搬送路１１０によって搬送される紙葉類Ｐ１、Ｐ２と、羽根車集積装置１２０の羽根基準点センサＳ２及び羽根車回転センサＳ３との動作を説明する図である。図３は、図２に示す紙葉類集積装置１２０の動作を説明するタイミングチャートで、集積入口センサＳ１、羽根基準点センサＳ２及び羽根車回転センサＳ３の動作タイミングを示す。以下、これらの図を参照して本実施例に係る紙葉類集積装置１００の動作を説明する。   FIG. 2 is a diagram for explaining operations of the paper sheets P1 and P2 conveyed by the terminal conveyance path 110, and the blade reference point sensor S2 and the impeller rotation sensor S3 of the impeller stacking device 120. FIG. 3 is a timing chart for explaining the operation of the paper sheet stacking apparatus 120 shown in FIG. 2, and shows the operation timing of the stack inlet sensor S1, the blade reference point sensor S2, and the impeller rotation sensor S3. Hereinafter, the operation of the paper sheet stacking apparatus 100 according to the present embodiment will be described with reference to these drawings.

先行して搬送される紙葉類Ｐ１及び後行して搬送される紙葉類Ｐ２は図に示す搬送ピッチで搬送される。すなわちこの羽根車集積装置１２０によって正常に集積されている状態では、羽根５ａｐが羽根車回転センサＳ３によって検知された瞬間に、紙葉類Ｐ１の搬送方向先端が羽根基準点ＴＰ１の直近Ｄｍｍ（搬送時間に換算するとｄｍｓ）まで接近し、所定の許容時間後に羽根基準点ＴＰ１に到達する。この所定時間後に到達したかどうかは、確認手段としての上記集積制御部（制御手段）によって確認される（確認手段）。その後、連続する後続の紙葉類Ｐ２が集積入口センサＳ１に到達する。 The paper sheet P1 transported in advance and the paper sheet P2 transported downstream are transported at the transport pitch shown in the figure. In other words, in the state where the blades are normally stacked by the impeller stacking device 120, at the moment when the blades 5ap are detected by the impeller rotation sensor S3, the leading end of the paper sheet P1 in the transport direction is the nearest Dmm (transport) of the blade reference point TP1. In terms of time, it approaches to dms), and reaches the blade reference point TP1 after a predetermined allowable time. Whether or not it has arrived after this predetermined time is confirmed by the above-mentioned integrated control section (control means) as confirmation means (confirmation means) . After that, successive subsequent paper sheets P2 reach the accumulation entrance sensor S1.

搬送される紙葉類Ｐ１に対して羽根５ａｍ、５ａｎが常にこの状態であることが確認されれば紙葉類Ｐ１は、搬送方向に放出されながら羽根５ａｍと羽根５ａｎの間に取込まれる。従って、図示した距離Ｄは、羽根５ａｍに紙葉類Ｐ１が衝突しないための許容値で、許容時間ｄｍｓに相等する。   If it is confirmed that the blades 5am and 5an are always in this state for the conveyed paper sheet P1, the paper sheet P1 is taken in between the blades 5am and 5an while being discharged in the transport direction. Therefore, the illustrated distance D is an allowable value for preventing the paper sheet P1 from colliding with the blade 5am, and is equivalent to the allowable time dms.

以上説明した動作を図３で説明すると、羽根車回転センサＳ３が羽根を検知すると、羽根が羽根回転センサＳ３を遮る（暗にする）時間は次の羽根によって遮られる時間に比べて短いため、図示したように羽根検知センサＳ３の出力がインパルス状になる。この羽根検知センサＳ３が羽根を検知した瞬間（＝ｔ１〜ｔ５）に羽根基準点センサＳ２の出力が明（＝０）になっており、かつ、暗（＝１）になるまでの時間ｔ（ｍｓ）が下式（１）に示す許容範囲ｄｍｉｎ〜ｄｍａｘの範囲に含まれる場合、正常動作が確保される。
ｄｍｉｎ≦ｔ≦ｄｍａｘ・・・・・・（１）
図示した例の場合、ｔ１、ｔ２、ｔ４で羽根基準点センサＳ２の出力が明（＝０）であり、かつ、上式（１）を満たし正常集積動作が行われる。 If the operation | movement demonstrated above is demonstrated in FIG. 3, when the impeller rotation sensor S3 detects a blade | wing, since the time for a blade | wing to interrupt | block the blade rotation sensor S3 (it makes dark) is short compared with the time blocked | interrupted by the next blade | wing, As shown in the figure, the output of the blade detection sensor S3 becomes an impulse. At the moment (= t1 to t5) when the blade detection sensor S3 detects the blade, the output t of the blade reference point sensor S2 is bright (= 0) and time t ( ms) is included in the allowable range dmin to dmax shown in the following equation (1), normal operation is ensured.
dmin ≦ t ≦ dmax (1)
In the case of the illustrated example, the output of the blade reference point sensor S2 is bright (= 0) at t1, t2, and t4, and the normal integration operation is performed while satisfying the above equation (1).

一方、ｔ３、ｔ５では羽根基準点センサＳ２の出力が暗（＝１）になっており、集積動
作が異常状態（ジャム発生）であることがわかる（判別手段）。 On the other hand, at t3 and t5, the output of the blade reference point sensor S2 is dark (= 1), and it can be seen that the accumulation operation is in an abnormal state (jam occurrence) (discriminating means) .

また、集積入口センサＳ１によって、紙葉類Ｐ１が検知された際、当該紙葉類Ｐ１の搬送方向の長さが計測される。   Further, when the paper sheet P1 is detected by the accumulation entrance sensor S1, the length of the paper sheet P1 in the transport direction is measured.

次に、羽根車回転センサＳ３によって羽根５ａｐが検知されたタイミングで羽根基準点
センサＳ２に紙葉類Ｐ１が到達していないこと（羽根基準点センサＳ２が明）がチェック
される（確認手段）。 Next, at the timing when the blade 5ap is detected by the impeller rotation sensor S3, it is checked that the paper sheet P1 has not reached the blade reference point sensor S2 (the blade reference point sensor S2 is bright) (confirming means). .

次に、上式（１）に示す羽根基準点センサＳ２を通過する紙葉類Ｐ１の長さが再度チェ
ックされる。この長さが当該羽根車集積装置によって集積可能な許容範囲を超える場合に
は、集積異常と判別され（判別手段）、ジャム（障害）処理に移行する。 Next, the length of the paper sheet P1 passing through the blade reference point sensor S2 shown in the above equation (1) is checked again. If this length exceeds the allowable range that can be accumulated by the impeller accumulating device, it is determined that the accumulation is abnormal (determining means) , and the process proceeds to jam (fault) processing.

以上説明したように、本発明の実施例によれば、搬送される紙葉類が羽根車集積装置によって取込まれる直前まで監視することが可能になり、例えば、障害発生時であってもその後の原因追及が容易になり、もって、羽根車集積装置１２０の性能向上に寄与することになる。   As described above, according to the embodiment of the present invention, it is possible to monitor the conveyed paper sheets until immediately before being taken in by the impeller stacking device. This makes it easier to pursue the cause of the noise and contributes to improving the performance of the impeller stacking device 120.

Ｐ、Ｐ１、Ｐ２ 紙葉類
１ 搬送ローラ（第１の搬送ローラ）
２ 下面搬送ベルト
３ 搬送ローラ（第２の搬送ローラ）
４ 上面搬送ベルト
５ 羽根車
１００ 紙葉類集積装置
１１０ 終端搬送路
１２０ 羽根車集積装置
ＴＰ１ 羽根基準点
Ｓ１ 集積入口センサ
Ｓ２ 羽根基準点センサ
Ｓ３ 羽根車回転センサ P, P1, P2 Paper 1 Transport roller (first transport roller)
2 Lower surface transport belt 3 Transport roller (second transport roller)
4 Upper surface conveyor belt 5 Impeller 100 Paper sheet stacking device 110 Terminal transport path 120 Impeller stacking device TP1 Blade reference point S1 Integration inlet sensor S2 Blade reference point sensor S3 Impeller rotation sensor

Claims (2)

所定のピッチで搬送される紙葉類を搬送路の終端から放出する終端搬送路と、この終端搬送路から放出された紙葉類を回転する羽根車に取込んで集積する羽根車集積装置を備えた紙葉類集積装置であって、
前記終端搬送路は、
前記羽根車集積装置の羽根車の直近搬送上流に配置され紙葉類を放出する第１の搬送ローラと、
この第１の搬送ローラに掛け回された第１の搬送ベルトと、
前記羽根車の直近搬送下流に配置された第２の搬送ローラと、
前記第１の搬送ローラに掛けられ、前記第２の搬送ローラに掛け回された第２の搬送ベルトと、
前記第１の搬送ローラの直近搬送上流に配置され搬送される紙葉類を検知する集積入口センサと、
前記第２の搬送ベルトによって形成される搬送面と羽根車の羽根先端が交差する羽根基準点を通過する紙葉類を検知する羽根基準点センサと、を備え、
前記羽根車集積装置は、
回転軸を有する円盤状体で構成され、その回転軸から周辺に向かって複数の羽根を有し、前記終端搬送路の終端から放出された紙葉類の搬送に同期して回転することにより前記羽根間で当該紙葉類を取込む羽根車と、
この羽根車の羽根を検知する羽根車回転センサと、
前記羽根車回転センサが前記羽根車を検知した後、前記終端搬送路の終端から放出された紙葉類の先端が所定の許容時間後に前記羽根基準点に到達したかどうかを確認する制御手段と、を備え、
前記制御手段は、
前記羽根車回転センサが前記羽根車を検知したタイミングで、前記終端搬送路の終端から放出された紙葉類の先端が前記羽根車基準点に到達していないことを確認する確認手段と、
前記羽根車回転センサが前記羽根車を検知した後、所定の許容時間後に前記羽根車基準点に到達したことを確認した場合は、集積動作が正常であると判別し、前記羽根車回転センサが前記羽根車を検知した際、当該紙葉類の先端が羽根車基準点に到達している場合は、集積動作が異常であると判別する判別手段と、を備えた、ことを特徴とする紙葉類集積装置。 A terminal conveyance path for discharging paper sheets conveyed at a predetermined pitch from the terminal end of the conveyance path, and an impeller stacking device for collecting and collecting the paper sheets discharged from the terminal conveyance path into a rotating impeller A paper sheet stacking device provided,
The end conveyance path is
A first transport roller that is disposed immediately upstream of the impeller of the impeller stacking device and discharges paper sheets;
A first conveyor belt wound around the first conveyor roller;
A second transport roller disposed immediately downstream of the impeller, and
A second conveying belt hung on the first conveying roller and hung around the second conveying roller;
A stacking inlet sensor for detecting a paper sheet disposed and transported immediately upstream of the first transport roller;
A blade reference point sensor that detects paper sheets that pass through a blade reference point at which a conveying surface formed by the second conveying belt and a blade tip of an impeller intersect,
The impeller stacking device is
It is composed of a disk-shaped body having a rotation axis, has a plurality of blades from the rotation axis toward the periphery, and rotates in synchronization with the conveyance of paper sheets discharged from the end of the end conveyance path. An impeller that captures the paper between the blades;
An impeller rotation sensor for detecting the impeller blades;
After the impeller rotation sensor detects the impeller, and a control means for the tip of the paper sheet released from the end of the end conveyor path to see if has reached the blade reference point after a predetermined allowable time With
The control means includes
Confirming means for confirming that the leading edge of the paper sheet discharged from the end of the end conveyance path has not reached the impeller reference point at the timing when the impeller rotation sensor detects the impeller;
When it is confirmed that the impeller reference point has been reached after a predetermined allowable time after the impeller rotation sensor detects the impeller, it is determined that the accumulation operation is normal, and the impeller rotation sensor And a discriminating unit that discriminates that the stacking operation is abnormal when the leading edge of the paper sheet reaches the impeller reference point when the impeller is detected. Leaf accumulation device. 前記制御手段はさらに、所定のピッチで連続して搬送される紙葉類の後の紙葉類の先端が集積入口センサによって検知されたとき、先に搬送された紙葉類の先端が前記羽根基準点センサに到達しておらず、到達するまでの時間が許容範囲を超える場合に集積異常と判別すると共に、紙葉類の先端が前記集積入口センサによって検知された際、当該紙葉類の搬送方向の長さを計測し、さらに、当該紙葉類が前記羽根基準点センサを通過する際、当該紙葉類の長さを再度計測し、これら計測した長さが当該羽根車集積装置によって集積可能な許容範囲を超える場合は集積動作が異常であると判別することを特徴とする請求項１記載の紙葉類集積装置。 The control means further includes the leading edge of the paper sheet transported first when the leading edge of the paper sheet following the paper sheet continuously conveyed at a predetermined pitch is detected by the accumulation inlet sensor. When it does not reach the reference point sensor and the time to reach it exceeds the allowable range, it is determined that there is a stacking abnormality, and when the leading edge of the sheet is detected by the stacking entrance sensor, The length in the conveying direction is measured, and when the paper sheet passes through the blade reference point sensor, the length of the paper sheet is measured again, and the measured length is measured by the impeller stacking device. 2. The paper sheet stacking apparatus according to claim 1, wherein when the stacking allowable range is exceeded, it is determined that the stacking operation is abnormal .
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