JP2013112465A - Paper sheet take-out device, and paper sheet handling device using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper sheet take-out device capable of preventing conveyance delay from being generated by sticking of small-sized paper sheets stuck onto a take-out plane of a subchamber and causing insufficient suction, and to provide a paper sheet handling device using the same.SOLUTION: The paper sheet take-out device includes a main chamber 21 for sucking paper sheets, a take-out belt 22 for sucking and conveying paper sheets sucked by the main chamber, the subchamber 23 arranged in a conveying upstream of the take-out belt, and a pressure sensor 23c for detecting suction pressure in the inside of the subchamber, and further a control means for starting up the main chamber and the subchamber, when a take-out position detecting sensor detects the paper sheet located on the take-out plane, for stopping the suction by the subchamber, when the suction pressure by the pressure sensor of the subchamber exceeds a prescribed value continuously for a prescribed time, by the start-up, and for stopping driving of an assist roller to be brought into a free-run state, and takes out the preceding small-sized paper sheet stuck onto the take-out plane of the subchamber, when taking out the next paper sheet.

Description

  Embodiments described herein relate generally to a paper sheet take-out apparatus and a paper sheet processing apparatus using the same.

  A paper sheet processing apparatus for sorting and processing paper sheets such as mail is separated and taken out one by one from the most advanced paper sheets of the paper sheets supplied to the supply unit. The taken-out paper sheet is conveyed by a conveyance path, and the address or postal code image of the paper sheet is read by a scanner. The read image is recognized by the recognition unit, and delivery classification information including an address or a zip code is acquired. Based on the acquired delivery classification information, the paper sheets are classified and accumulated in the accumulation unit. The stacking unit is composed of a plurality of stacking stackers based on the delivery category information, and is stacked on the stacking stacker based on the delivery category information of the paper sheets.

  However, paper sheets such as postal items are set in the shape, thickness, weight, etc. handled by the sorting machine, but the range is wide, and paper sheets of different shapes are mixed and supplied. In the suction and extraction method used as a method for separating and taking out the paper sheets, for example, small paper sheets may stay in the take-out port of the take-out device and may not be taken out.

  FIG. 8 is a diagram for explaining the operation of the conventional extraction unit 120. The reason why small paper sheets stay at the outlet will be described with reference to FIG. Since the range of handling shapes of the paper sheets is wide, conventionally, the above-described suction take-out device is used to suck the paper sheets by the main chamber 121 and the take-out belt 122 incorporated in the main chamber 121. It is sent out downstream in the transport direction.

  However, when it is difficult to suck and take out with the main chamber 121 and the take-out belt 122 with small paper sheets, suction is performed by the sub-chamber 123 disposed immediately upstream of the main chamber 121, and the sub-chamber 123 The sucked paper sheets are taken out (sent out) in the direction of the main chamber 121 by the assist roller 125 disposed upstream in the vicinity of the sub-chamber 123, but the leading end in the transport direction of the small paper sheets is the main chamber 121. When the sheet is not sucked by the sheet, the sheet is sometimes sucked by the sub chamber 123, so that the paper sheets may stick to the sub chamber. The illustrated paper sheet P2 shows a stuck state.

  In addition, the paper sheet taking out apparatus regarding the suction taking-out mentioned above is known (for example, refer patent document 1).

Japanese Patent Laid-Open No. 2-182629

  As described above, there is a problem that small paper sheets that do not reach the main chamber and the take-out belt are sucked by the sub-chamber and stick to the sub-chamber and may not be taken out. Also, if there is a paper sheet stuck to the sub-chamber, the next paper sheet is picked up by the main chamber and is sucked to the pick-up belt, so that the paper sheet pick-up speed is reduced as a whole. There has been a problem that a delay in the conveyance of paper sheets occurs.

  The present invention has been made to solve the above-described problems, and detects that the preceding paper sheet is on the take-out surface of the sub-chamber by the take-out position detection sensor, and the suction pressure of the sub-chamber is a predetermined value. If the pressure sensor detects that the suction pressure has been exceeded and the time for which the predetermined suction pressure has been exceeded continues for a predetermined time, the paper sheet is stuck on the take-out surface of the sub-chamber. When the suction of the sub-chamber is stopped, the assist roller is in the free run state, and the next sheet (the later sheet) of the sheet (the previous sheet) is normally taken out , Providing a paper sheet take-out device which can be taken out by the next paper sheet (later paper sheet) and take out the paper sheet (the previous paper sheet) and a paper sheet processing apparatus using the same The purpose is to do.

  In order to achieve the above object, a paper sheet take-out device according to claim 1 of the present invention is a state-of-the-art paper sheet by driving a floor belt on which a standing paper sheet is placed. A paper sheet take-out device for sequentially taking out paper sheets, the first suction means for sucking the paper sheets conveyed by the floor belt, and the paper sheets sucked by the first suction means. A first take-out means that adsorbs to a take-out belt having a through-hole and takes out in the carrying direction as the take-out belt moves, and a first take-out means that is arranged upstream of the first take-out means and sucks paper sheets Two suction means, a pressure sensor that detects the suction pressure of the second suction means, and an assist roller that assists in taking out the paper sheets sucked by the first suction means or the second suction means. Drive the paper in the transport direction A second take-out means to be taken out, a take-out position detection sensor for detecting that the paper sheet conveyed by the floor belt is at the take-out position of the first suction means or the second suction means, and the take-out position When the detection sensor detects the sheet, the first suction unit and the second suction unit are activated, and by this activation, the suction pressure detected by the pressure sensor continues for a predetermined time. Control means for stopping the suction by the second suction means when it exceeds the set value, and stopping the drive control by the second take-out means so as to be in a free-run state. When the small paper sheets that cannot be taken out in the transport direction by the take-out means are sucked by the second suction means, the small paper sheets can be taken out in the transport direction.

Schematic plan view of a paper sheet processing apparatus equipped with a paper sheet take-out apparatus according to an embodiment The perspective view of the taking-out part mounted in the paper sheet processing apparatus shown in FIG. Schematic plan view of the take-out section shown in FIG. An example when the size of the leading edge of the paper supplied to the supply unit is short. A state in which paper sheets are further conveyed from the state shown in FIG. 4 and paper sheets having a short size in the conveyance direction have arrived at the take-out surface by the main chamber. A small paper sheet has arrived at the sub-chamber extraction surface with the paper sheet positioned on the left side Timing chart for explaining the operation of the embodiment Conventional paper sheet take-out section

  The paper sheet take-out apparatus according to the present embodiment is configured such that when the paper sheets supplied in a standing state to the supply unit are conveyed to the take-out unit by the floor belt, the main chamber is sucked by the main chamber constituting the take-out unit. The paper sheet is adsorbed by the take-out belt incorporated in the paper, and taken out by the sub-chamber arranged immediately upstream and the assist roller arranged immediately upstream of the sub-chamber, and is conveyed to the conveyance unit. However, since small paper sheets do not reach the main chamber, they may stick to the take-out surface of the sub-chamber by suction of the sub-chamber. In this embodiment, a pressure sensor that measures the pressure of air is arranged in the sub-chamber, and the air pressure in the sub-chamber is measured. When the paper sheet is stuck, the air pressure in the sub-chamber increases. Therefore, when the air pressure is measured by the pressure sensor and the air pressure continues for a predetermined time, the paper sheet Assuming that the paper is stuck, the suction of the sub-chamber is stopped, and the assist roller is set to a free-run state, whereby the stuck paper is taken out when the next paper is taken out.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the free running state of the assist roller means a state in which normal rotation or reverse rotation is possible by stopping driving of the assist roller.

  FIG. 1 is a schematic plan view of a paper sheet processing apparatus 100 equipped with a paper sheet take-out apparatus according to an embodiment.

  A paper sheet processing apparatus (hereinafter referred to as an apparatus) 100 includes a supply unit 10, a take-out unit 20, a conveyance unit 30, a reading unit 40, a conveyance unit 50, a conveyance unit 60, a step path unit 70, a sorting unit 80, and a stacking unit. Part 90 and the like.

  In the supply unit 10, paper sheets to be processed are supplied in an upright state on a floor belt (a general term for a main floor belt and a sub floor belt) by an operator. The floor belt conveys the supplied paper sheets toward the take-out unit 20. The supply unit 10 is provided with an operation panel (operation display unit) 15 necessary for an attendant to operate the paper sheet processing apparatus 100.

  The take-out unit 20 includes the paper sheet take-out device according to the present embodiment. The paper sheet take-out section is supplied with paper sheets mixed in size from the supply section. For example, in the case of postal items, postcard-sized paper sheets are supplied in a mixed form with envelopes. In the sealed letter, various sizes of sealed letters are used in the range of the standard mail, and the thickness varies depending on the contents. If the thickness is within a set range and the thickness of the paper sheet is 5 mm or less as in the case of a mail, for example, it can be handled. Therefore, it is necessary for the paper sheet take-out device to be separated from other paper sheets one by one from the most advanced paper sheets within the handling range.

  The conveyance unit 30 includes a conveyance roller and a conveyance belt wound around the conveyance roller. The transport path 30 configured as described above is provided with a mechanism detection unit 36 and an exclusion stacking unit 37.

  The mechanism detection unit 36 detects paper sheets such as foreign matter-mixed paper sheets and fixed outside paper sheets in the taken-out paper sheets and excludes them to the exclusion stacking unit 37. The supplyable paper sheets that have not been excluded are conveyed to the reading unit 40.

  The reading unit 40 includes a barcode reading unit and an OCR scanner unit. The barcode reading unit reads a barcode as delivery classification information printed on a mail. Further, the OCR scanner unit reads and recognizes delivery classification information such as a zip code and an address described in the postal matter. This recognition result is output to the stage pass unit 70 and the sorting unit 80 as delivery sorting information.

  The conveyance unit 50 and the conveyance unit 60 are configured by a conveyance roller and a conveyance belt wound around the conveyance roller, and convey the postal matter in a sandwiched state. In the figure, the transport units 50 and 60 whose main function is mainly transporting mails are specifically illustrated, but the other part, for example, the part connecting the take-out unit 20 and the exclusion stacking unit 37 is also shown. Needless to say, the inside of the stacking unit 90 also has a conveyance path composed of a conveyance roller and a conveyance belt for conveying the postal matter.

  The stage path unit 70 sets the stage where the stacker to be stacked is located based on the delivery classification information described above (referred to as stage path setting) according to the configuration of the stacker constituting the stacking unit 90. For example, the stacking unit of the embodiment has a configuration in which a plurality of modules are connected in the transport direction with 16 stackers consisting of 4 rows (A, B, C, D) as one module. ing. With this configuration, it is possible to flexibly cope with the case where the number of stackers increases or decreases depending on the usage mode.

  The sorting unit 80 controls a gate (not shown) disposed at the entrance of the stacker so that the postal matter is stored in the final stacker set by the delivery sorting information.

  As a result of the above processing, the postal items to be conveyed are collected in a stacker set based on the delivery classification information described in the postal items.

  Note that image information indicating delivery classification information of paper sheets that could not be recognized by the reading unit 40 is transmitted to a video coding system (hereinafter referred to as VCS), and an operator is based on the image information. When the delivery classification information is input, the barcode is printed by IJP (Ink Jet Printer) during online processing and is accumulated in the accumulation unit 9. It should be noted that the function portion is not the gist of the present invention, and thus detailed description thereof is omitted.

  In the apparatus 100, when a paper sheet is set in the supply section 10 and the apparatus 100 is operated by turning on a start switch (not shown) of the operation panel 1a, the paper sheet is taken out from the take-out section 20.

  FIG. 2 is a perspective view of the take-out unit 20 mounted on the paper sheet processing apparatus 100 shown in FIG. FIG. 3 is a schematic plan view of the extraction portion shown in FIG.

  The supply unit 10 includes a main floor belt 11 (a general name for 11a and 11b), a sub-floor belt 12 (a general name for 12a and 12b) disposed at a position opposite to the main floor belt 11, a density detection sensor PF11, and the like. Is done. The main floor belt 11, the sub floor belt 12, and the rear floor belt are controlled by a drive motor (not shown) and a control unit 26 that controls the drive motor.

  The density detection sensor PF11 is composed of a line sensor that receives reflected light arranged in the transport direction (loading direction) of paper sheets, and is placed on the main floor belt 11 and the sub floor belt in a standing state. Detects whether the leaf is placed in a sparse or dense state. The determination method is to integrate the output signal of the density detection sensor PF11. When the integral value is large, the amount of reflected light is large, so that it is determined to be dense, and when the integral value is small, it is determined to be sparse. To do. Further, as in the present embodiment, it is also possible to detect whether or not a sheet exists at the detection position. This is because even the density detection sensor does not change the detection of paper sheets.

  Conventionally, conveyance control of the floor belt (a general term for the main floor belt 11 and the sub-floor belt 12) is performed according to the output signal of the density detection sensor PF11. However, this conveyance control is not within the scope of the present invention. The explanation will not be given.

  The take-out unit 20 includes a main chamber 21, a take-out belt 22, a sub chamber 23, an auxiliary chamber 24, an assist roller 25, and the like.

  The conveyance unit 30 includes a take-in roller 31, a separation roller 32, a plurality of conveyance rollers 33 (a general term for 33 a and 33 b), and a conveyance belt 34 wound around the plurality of conveyance rollers 33.

  The transport roller 33 is controlled by a drive motor (not shown) and a control unit 26 that controls the drive motor.

  In the above configuration, the paper sheets are conveyed to the take-out surface of the take-out portion 20 by the floor belt (a general term for the main floor belt 11 and the sub-floor belt 12). The paper sheets that have reached the take-out surface 21b are sucked by the main chamber 21 provided on the take-out surface 21b and are adsorbed by the take-out belt 22 having a plurality of through holes. The take-out belt 22 rotates in the direction of the arrow A shown in the drawing, and along with this rotation, one of the most advanced paper sheets of the loaded paper sheet P is taken out, and a take-out roller provided downstream. 31 is taken out by the transfer roller 35a and is taken into the transfer path 35 by the transfer rollers 33a and 33b.

  The separation roller 32 is used to transport the preceding paper sheets in the transport direction and separate the subsequent paper sheets when a multi-feed in which a plurality of paper sheets overlap and are taken in by the main chamber 21 occurs. Reverse rotation. A plurality of holes are provided in the outer peripheral surface of the separation roller 32 and are held at a negative pressure like the main chamber. The sheets fed by the negative pressure are adsorbed in the reverse direction. Transport. A method of preventing double feeding by 32 on the separation roller has been conventionally performed, and details thereof are omitted.

  The main chamber 21 (first suction means) is provided with a suction hole 21a for sucking air in order to suck paper sheets, and a discharge port (not shown) for discharging the air sucked from the suction hole 21a. Yes. This air discharge port is connected to an air suction device (not shown) provided outside, and the paper sheet is sucked by driving and controlling the air suction device (not shown).

  Further, an extraction belt 22 that rotates around the main chamber 21 in contact with the extraction surface 21 b of the main chamber 21 is disposed in front of the main chamber 21. The take-out belt 22 is provided with a plurality of holes, and the air sucked from the suction holes 21a of the main chamber 21 takes out the paper sheets at or near the take-out surface 21b through the holes of the take-out belt 22. Adsorb to the belt 22.

  The sub-chamber 23 (second suction means) includes a suction hole 23a for sucking air to suck paper sheets, a pressure sensor 23c for measuring the air pressure of air sucked from the suction hole 23a, and a suction An air discharge port (not shown) is provided. The pressure sensor 23c is disposed at the air outlet, and the outlet is connected to an air suction device (not shown) provided outside, and the paper sheet is controlled by driving the air suction device (not shown). Kind is aspirated.

  Therefore, when the air is sucked by an air suction device (not shown) provided outside, the air pressure of the air discharged from the air discharge port provided in the sub-chamber 23 is measured.

  The paper sheets sucked by the sub-chamber 23 are adsorbed on the transport surface 23b of the sub-chamber 23. Thus, the paper sheets sucked by the main chamber 21 and the sub-chamber 23 are transported on the side of the conveyance path 30 when the take-out belt 22 rotates the paper sheets adsorbed on the take-out belt 22 by the suction by the main chamber 21. To be taken out.

  The auxiliary chamber 24 assists the suction by the main chamber 21 and the sub chamber 23. For example, when a paper sheet with a short size in the transport direction is positioned on the left side with respect to the transport reference, the auxiliary chamber 24 will be described in detail later. However, the paper sheet is not sucked by the main chamber 21 or Suction may not be sufficient. In such a case, suction and removal are assisted by the auxiliary chamber 24, the paper sheet is conveyed to the main chamber 21 side, and normal extraction by the extraction belt 22 is performed.

  The assist roller 25 is composed of a rotating roller, and assists the conveyance of the sheets sucked by the main chamber 21 and the sub chamber 23 by rotationally driving the assist roller 25. This is because a take-out belt 22 is disposed around the main chamber 21 and the paper sheets taken in the main chamber 21 are sent in the transport direction by the take-out belt 22. There is no take-out belt. Originally, the removal of paper sheets is achieved by the main chamber 21, and therefore, the sub-chamber 23 is arranged to assist the suction by the main chamber 21. Not placed. This is because the structure becomes complicated and expensive. Therefore, the assist roller 25 is rotated and used as described above in normal take-out in order to assist suction take-out by the main chamber 21 and the sub-chamber 23. A method of using the assist roller 25 according to the embodiment of the present invention in a free-run state will be described later.

  FIG. 4 shows an example of a paper sheet (small paper sheet) having a short length in the conveyance direction of the most advanced paper sheet supplied to the supply unit 10. A state in which the paper sheet P is conveyed by the floor belt 11 in the direction indicated by the arrow B is shown.

  FIG. 5 shows a state in which the paper sheet P is further conveyed in the direction of the arrow B from the state shown in FIG. 4 and the small paper sheet arrives at the take-out surface 21 b of the main chamber 21. In this case, the small paper sheets are detected by any one of the transmission sensors PF09 and PF12 and the reflection sensors PF11 and PF17. By this detection, the main chamber 21 and the sub chamber 23 are activated, and air is sucked from the suction holes 21a and 23a. As a result, the most advanced paper sheet P is adsorbed to the take-out belt 22, is carried downstream along the rotation of the take-out belt 22, and is taken into the carry path 35 by the take-in roller 31.

  FIG. 6 shows a state where the small paper sheet P2 has arrived at the take-out surface 23b of the sub-chamber 23 in a state where the small paper sheet P2 is located on the left side. The preceding paper sheet P1 is taken out by the take-in roller 31 of the transport unit 30, and taken into the transport path 35 by the transport rollers 33a and 33b and transported. The case where the paper sheet P2 transported continuously is a paper sheet (small paper sheet) that is short in the transport direction as described above and is located on the left side is shown.

  In this case, since suction is not performed by the main chamber 21, suction and removal by the take-out belt 22 are not performed, and the state stays (sticks) at the position. That is, since any one of the reflection sensors PF11 and PF17 and the transmission sensors PF09 and PF12 for detecting the paper sheet is detected, an operation for taking out the paper sheet is performed. As a result, suction is performed by the main chamber 21 and the sub chamber 23. However, since the paper sheet 23 is not taken out by the take-out belt 22, the paper sheet P2 is stuck to the position. Conventionally, when such a state continues, defective take-out of the paper sheet has occurred.

  In the present embodiment, in order to improve this state, the control unit (control means) 26 performs the following processing. That is, since the paper sheet P2 is sucked by the sub-chamber 23 and the suction hole 23a is blocked by the paper sheet P2, the suction pressure Pu increases. When the state of exceeding the suction pressure Pus set as the threshold due to the increase of the suction pressure Pu continues for the time Ts set as the threshold (see FIG. 7 (2)), the sub-chamber 23 (second suction) And the assist roller 25 (second take-out means) is stopped to enter a free-run state (FIG. 7 (3)). The free-run state refers to a state in which normal rotation or reverse rotation is possible by stopping the driving of the assist roller as described above.

  As a result, when the next paper sheet P3 is taken out, the paper sheet P2 is taken together with the paper sheet P3 due to contact friction between the paper sheet P2 and the paper sheet P3. The taken paper sheet P2 is separated from the paper sheet P3 by the separation roller 32, and the paper sheet P2 is taken into the transport unit 30 following the paper sheet P3.

  FIG. 7 is a timing chart for explaining the operation of the embodiment. FIG. 7A is an example showing the presence or absence of paper sheets before the sub-chamber 23. FIG. 7 (2) shows the air pressure in the sub chamber 23 with or without the paper sheets shown in FIG. 7 (1). FIG. 7 (3) shows the operation timing of the assist roller 25.

  As described above, when there is a sheet in front of the sub chamber 23 (timing A), the suction operation of the sub chamber 23 is started, the suction pressure Pu is increased, and the sheet is sucked. Thereafter, the paper sheets are sucked and taken out by the main chamber 21 and the take-out belt 22, and the paper sheets are conveyed. As a result, the suction pressure Pu decreases. Normally, this state is repeated.

  Next, when the small paper sheet P2 shown in FIG. 6 is detected in front of the sub-chamber 23 (timing B), the paper sheet P2 is not sucked and taken out by the main chamber 21 and the take-out belt 22 as described above. The paper sheet P2 stays in front of the sub-chamber 23 (state shown in FIG. 6). As a result, the suction is continuously performed (FIG. 7 (2), timing B). If this suction time exceeds a predetermined time Ts, it is considered that paper sheets are staying in front of the sub-chamber 23, the suction of the sub-chamber 23 is stopped, and the driving of the assist roller 25 is stopped for free. The run state is set (FIG. 7 (3), timing C).

  As a result, the paper sheet P2 staying in front of the sub-chamber 23 is taken out as the next paper sheet P3 is sucked and taken out by the main chamber 21 and the take-out belt 22 (see FIG. 6). As described above.

  As described above, in the present embodiment, by newly providing a pressure detection sensor for detecting the suction pressure of the sub-chamber 23, the suction pressure of the sub-chamber 23 is detected, and the predetermined suction pressure state is maintained for a predetermined time Ts. In this case, the suction is stopped and the assist roller 25 is set in a free-run state, so that even if the small paper sheets are sucked and stayed by the sub-chamber 23, the small paper Since the leaves can be normally conveyed, it is possible to provide a paper sheet take-out device that can prevent a conveyance delay due to a decrease in the take-out speed of the paper sheets.

P Paper sheet 10 Supply unit 11a, 11b Main floor belt 12a, 12b Sub floor belt 15 Operation display unit 20 Extraction unit 21 Main chamber 22 Extraction belt 23 Sub chamber 24 Auxiliary chamber 25 Assist rollers 30, 50, 60 Conveying unit 40 Reading unit 70 stage pass section 80 sorting section 90 stacking section

Claims (4)

A paper sheet take-out device that sequentially takes out from the most advanced paper sheets of the paper sheet by driving a floor belt on which the paper sheets in a standing position are placed,
First suction means for sucking paper sheets conveyed by the floor belt;
A first take-out means that adsorbs the paper sheet sucked by the first suction means to a take-out belt having a through hole, and takes out in the transport direction along with the movement of the take-out belt;
A second suction means that is disposed upstream of the conveyance of the first take-out means and sucks paper sheets;
A pressure sensor for detecting the suction pressure of the second suction means;
Second take-out means for taking out the paper sheets in the transport direction by driving and controlling an assist roller that assists in taking out the paper sheets sucked by the first suction means or the second suction means;
An extraction position detection sensor for detecting that the paper sheet conveyed by the floor belt is at the extraction position of the first suction means or the second suction means;
When the take-out position detection sensor detects the sheet, the first suction means and the second suction means are activated, and the suction pressure detected by the pressure sensor continues for a predetermined time by this activation. And when the predetermined set value is exceeded, the control means for stopping the suction by the second suction means, and stopping the drive control by the second take-out means to make a free-run state;
With
A paper sheet take-out device that can take out a small paper sheet in the transport direction when the small paper sheet that cannot be taken out in the transport direction by the first take-out means is sucked by the second suction means. The control means includes
Suction control means for driving or stopping the first and second suction means;
Assist roller control means for driving and stopping the assist roller;
With
Although the first suction unit, the second suction unit, and the assist roller control unit are driven by detecting the paper sheet by the take-out position detection sensor, the paper sheet is detected as the take-out position. When the state detected by the sensor and the suction pressure by the second suction means exceeds a predetermined set value continues for a predetermined time, the first suction means and the first take-out means are in a driving state. 2. The paper sheet takeout device according to claim 1, wherein the second suction unit stops suction and stops driving the assist roller to make a free run. A paper supply unit that is placed in a standing position on the floor belt, and by driving the floor belt, a supply unit that transports the paper sheet based on the end surface of the paper sheet and supplies it to the take-out unit;
A paper sheet take-out device for taking out one by one from the most advanced paper sheets of the paper sheets supplied by this supply means;
A mechanism detection unit for detecting whether or not the paper sheet taken out by the take-out means is applicable to the paper sheet take-out device, and a rejection ticket stacking unit for stacking paper sheets that are not applicable in the mechanism detection unit;
A reading unit that reads information written on the surface of the paper sheet that was not excluded by the mechanism detection unit;
A stacking unit that stacks the paper sheets based on the classification information read by the reading unit;
With
The paper sheet take-out device is:
First suction means for sucking paper sheets conveyed by the floor belt;
A first take-out means that adsorbs the paper sheet sucked by the first suction means to a take-out belt having a through hole, and takes out in the transport direction along with the movement of the take-out belt;
A second suction means that is disposed upstream of the conveyance of the first take-out means and sucks paper sheets;
A pressure sensor for detecting the suction pressure of the second suction means;
Second take-out means for taking out the paper sheets in the transport direction by driving and controlling an assist roller that assists in taking out the paper sheets sucked by the first suction means or the second suction means;
An extraction position detection sensor for detecting that the paper sheet conveyed by the floor belt is at the extraction position of the first suction means or the second suction means;
When the take-out position detection sensor detects the sheet, the first suction means and the second suction means are activated, and the suction pressure detected by the pressure sensor continues for a predetermined time by this activation. And when the predetermined set value is exceeded, the control means for stopping the suction by the second suction means, and stopping the drive control by the second take-out means to make a free-run state;
Paper sheet processing that can take out the small paper sheet in the transport direction when the small paper sheet that cannot be taken out in the transport direction by the first take-out means is sucked by the second suction means apparatus. The control means includes
Suction control means for driving or stopping the first and second suction means;
Assist roller control means for driving and stopping the assist roller;
With
Although the first suction unit, the second suction unit, and the assist roller control unit are driven by detecting the paper sheet by the take-out position detection sensor, the paper sheet is detected as the take-out position. When the state detected by the sensor and the suction pressure by the second suction means exceeds a predetermined pressure continues for a predetermined time, the first suction means and the first take-out means are in a drive state. 4. The paper sheet processing apparatus according to claim 3, wherein the sheet processing apparatus continues and stops suction by the second suction means, and stops driving of the assist roller to make a free run.

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