JP2011154654A - Paper sheet processing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper sheet processing apparatus that eliminates paper jam at higher probability when paper sheets are conveyed. <P>SOLUTION: The paper sheet processing apparatus 1 includes: a stacking unit 10 having a conveying mechanism 14 conveying a bundle of paper sheets in forward and reverse directions, a conveyance path leading to a conveyance destination to which the paper sheets are conveyed, and a vertically movable stage 12 provided on the conveyance path; a failure detection unit 20 for detecting a conveyance failure when the bundle of paper sheets is conveyed from the stacking unit 10; and a control unit 30 for controlling the conveying mechanism 14 and the stage 12 based on the detection result of the failure detection unit 20. When the failure detection unit 20 detects a failure, the control unit 30 controls the conveying mechanism 14 to convey the bundle of paper sheets in a reverse direction, and controls the stage 12 to lower the stage 12 to a desired lowered position to release the bundle of paper sheets onto the stage 12 of the stacking unit 10. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a dispensing mechanism for dispensing paper sheets in a paper sheet processing apparatus.

  2. Description of the Related Art Paper sheet processing apparatuses that accumulate paper sheets and throw them out in a bundle are known. For example, Patent Document 1 discloses a circulation type banknote depositing and dispensing machine. In the circulation type banknote depositing and dispensing machine, a depositing unit that takes in a bundle of banknotes and a withdrawal unit that throws out a bundle of banknotes are provided separately.

  Patent Document 2 discloses a banknote deposit apparatus. The banknote depositing device is provided with an opening that can take in a bundle of banknotes and return it. That is, the paper sheet inlet and outlet are common.

  Patent Document 3 discloses a paper jam recovery method and recovery device. In the apparatus, the paper sheet conveyance path is divided into a plurality of independently driven conveyance paths (conveyance sections), and when a paper sheet jam occurs in a certain conveyance path (conveyance section), the conveyance The jam can be resolved by reversely driving the path (conveying section) at a low speed to reverse the paper sheets. After the jam of the paper sheet is resolved, the paper sheet can be transported to a predetermined place and recovered by driving the transport path (transport section) temporarily reversely rotated at normal speed at a low speed. . The paper sheet remains sandwiched between the conveyance belts that constitute the conveyance path, regardless of whether the conveyance path is in the forward rotation driving state or the reverse rotation driving state.

Japanese Patent Application Laid-Open No. 11-96439 JP 2003-157461 A JP-A-5-254686 JP-A-9-153159

  When stacking paper sheets in the stacking unit in the paper sheet processing apparatus, the paper sheets may be stacked near the wall surface of the conveyance path. In such a case, if the paper sheets are fed out from the stacking unit and transported to the outlet, the paper sheets may be “hooked” on the wall surface of the transport path, and the desired transport may not be performed. That is, there is a possibility that a desired paper sheet ejection operation may not be realized.

  In addition to the deviation (bias) in the stacking position of the paper sheets as described above, various factors can be considered as the cause of the paper sheets being “hooked” on the conveyance path. For example, if there is a fold in the paper sheet itself, the fold portion may be “hooked” by the apparatus member in the conveyance path.

  In the apparatus disclosed in Patent Document 3, as described above, the paper sheet that caused the jam is temporarily moved backward by reversing the paper sheet conveyance direction by the conveyance belt, and then conveyed. Is to retry.

  However, there is a case where the “caught state” of the paper sheet once generated cannot be solved only by switching the forward and reverse of the transport direction.

  On the other hand, the present inventor has already put into practical use a method of changing the position and posture of the paper sheet by temporarily returning the paper sheet causing the jam to the stacking unit and moving the stage in the stacking unit up and down. ing. First, this method will be described with reference to FIGS. 10 (a) to 10 (f).

  As shown in FIG. 10A, a paper sheet (for example, banknote) stacking unit (for example, a withdrawal holding unit) 60 receives a paper sheet via a paper sheet transport path 61 (not shown in detail). Sequentially supplied. The supplied paper sheets are stacked on the stage 62 in the stacking unit 60. In FIG. 10A, reference numeral 63 denotes a sensor for detecting the presence / absence state (passage state) of paper sheets, reference numeral 64 denotes a conveyor belt for discharging paper sheets, and reference numeral 65 denotes The paper sheet outlet is shown.

  In order to throw out the sheets stacked in the stacking unit 60 in a bundled state, the stage 62 of the stacking unit 60 is raised as shown in FIG. The upper surface is pressed against the conveyor belt 64. Subsequently, as illustrated in FIG. 10C, the conveyance belt 64 is driven to rotate forward in a state in which a bundle of sheets is sandwiched between the stage 62 and the conveyance belt 64, so that the sheet A bundle of types is conveyed in the direction of the outlet 65.

  If the bundle of paper sheets is smoothly discharged from the outlet 65, the process ends at the step of FIG. However, if for some reason the bundle of paper sheets is not smoothly discharged from the outlet 65, the conveying belt 64 is driven in reverse, and the stage 62 in the stacking unit 60 is driven as shown in FIG. A bundle of paper sheets is returned. Then, as shown in FIG. 10E, when the stage 62 moves up and down (preferably, the vertical movement is repeated a plurality of times), the position and posture of the bundle of paper sheets change, and the jam of the paper sheets It can be expected that the “caught state” such as Then, after the stage 62 of the stacking unit 60 is raised and the uppermost surface of the paper sheet whose position and posture are changed is pressed against the conveyor belt 64, as shown in FIG. In the state where the bundle of paper sheets is sandwiched between the sheet 64 and the conveyance belt 64, the bundle of paper sheets is conveyed in the direction of the outlet 65 and is thrown out. It is.

  The above-described method described with reference to FIGS. 10A to 10F is implemented in actual apparatus operation.

  However, there is a case where the jam of the paper sheet cannot be resolved even if the above method described with reference to FIGS. 10 (a) to 10 (f) is repeated.

  An object of this invention is to provide the paper sheet processing apparatus which can eliminate the jam which generate | occur | produced during conveyance of paper sheets with a higher probability.

  The present invention is a paper sheet processing apparatus having a transport mechanism that can transport a bundle of paper sheets in the forward and reverse directions, and a transport path to a transport destination that is a destination point for transporting the paper sheets And a stacking unit provided in the transport path and having a stage that can move up and down, and an abnormality detection that detects an abnormality related to the transport when transporting a bundle of paper sheets from the stacking unit to the transport destination And a control unit that controls the transport mechanism and the stage based on a detection result of the abnormality detection unit, and the control unit detects the abnormality when the abnormality detection unit detects an abnormality. Is controlled to reverse the conveying direction of the bundle of sheets, and the stage is controlled to lower the stage to a desired lowered position, and the bundle of sheets is discharged onto the stage of the stacking unit. It is characterized by A sheet processing apparatus.

  According to the present invention, by dropping a paper sheet onto the stage, the position and posture of the bundle of paper sheets change, and the direction and inclination of the paper sheet, the position in the conveyance path width direction, and the like are corrected. I can expect that. That is, it is possible to eliminate a jam occurring during the conveyance of the paper sheet with a higher probability.

  Alternatively, the present invention is a paper sheet processing apparatus that includes a transport mechanism that can transport a bundle of paper sheets in the forward direction and the reverse direction, and reaches a transport destination that is a destination point for transporting the paper sheets. When conveying a bundle of paper sheets from the stacking unit to the transport destination, the stacking unit having a transport path, a stage provided in the transport path and capable of moving up and down, and detecting an abnormality related to the transport An abnormality detection unit, and a control unit that controls the transport mechanism and the stage based on a detection result of the abnormality detection unit, the control unit, when the abnormality detection unit detects an abnormality, The conveyance mechanism is controlled so that the conveyance direction of the bundle of paper sheets is reversed, and the bundle of paper sheets is conveyed in the reverse direction until at least a part of the bundle of paper sheets exceeds the stacking unit. Control the stage to lower the stage as desired Lowered to location, a sheet processing apparatus characterized by being adapted to emit a bundle of paper sheets on the stage of an integrated unit.

  Also according to the present invention, by dropping a paper sheet onto the stage, the position and posture of the bundle of paper sheets change, and the direction and inclination of the paper sheet, the position in the conveyance path width direction, etc. are corrected. Can be expected. That is, it is possible to eliminate a jam occurring during the conveyance of the paper sheet with a higher probability.

  For example, the abnormality detection unit detects an abnormality based on the actual passage timing of a bundle of paper sheets based on the output of a sensor that detects the passage timing of the bundle of paper sheets.

  Alternatively, for example, the abnormality detection unit is configured to detect an abnormality based on an actual time required for passing a bundle of sheets based on an output of a sensor that detects a passage state of the bundle of sheets.

  The present invention also includes a transporting step for transporting a paper sheet sandwiched by a force in the thickness direction, and a dropping step for releasing the force in the thickness direction and dropping the paper sheet while moving the paper sheet in the transport direction. And a re-conveying step of conveying the paper sheet again with a force in the thickness direction, and a paper sheet processing method.

  According to the present invention, it is possible to eliminate a jam that occurs during the conveyance of paper sheets with a higher probability.

1 is a schematic cross-sectional view showing an overall configuration of a paper sheet processing apparatus according to an embodiment of the present invention. The block diagram which shows the control system of the paper sheet processing apparatus of FIG. The schematic sectional drawing for demonstrating the effect | action (paper sheet processing method in one embodiment of this invention) of the paper sheet processing apparatus in one embodiment of this invention. The schematic sectional drawing which shows the whole structure of the paper sheet processing apparatus in other embodiment of this invention. The schematic diagram explaining the condition where paper sheets are thrown into the position where the paper sheet was biased to one side of the horizontal direction with respect to the conventional loading slot. The schematic diagram explaining the condition where paper sheets are thrown into the loading slot of the present embodiment at a position that is biased to one side in the horizontal direction. Schematic for demonstrating the specific structural example of a height control guide. Schematic for demonstrating the specific structural example which considers the deviation | shift amount of a banknote trailing edge. Schematic for demonstrating the suitable control example in the structure which has a raising / lowering type taking-in roller. FIG. 10 is a schematic cross-sectional view for explaining a conventional retry operation.

Embodiments of the present invention will be described below with reference to the drawings.
First, with reference to FIG. 1, the whole structure of the paper sheet processing apparatus 1 of this Embodiment is demonstrated easily.

  As shown in FIG. 1, the banknote handling apparatus 1 according to the present embodiment is arranged in a substantially rectangular parallelepiped housing (frame portion) 140 and a front surface of the housing 140 to receive inserted banknotes 1 A deposit slot 110 that feeds out the sheets one by one, a withdrawal slot 112 that collects the fed banknotes and throws them out in a bundled state, and a housing 140, each of which stores a thousand yen bill and a 10,000 yen bill. A thousand yen bill storage unit 116 and a 10,000 yen bill storage unit 118 for feeding out. In addition, on the back of the housing 140, a clerk collects banknotes sent from the thousand-yen bill storage unit 116 and the 10,000-yen bill storage unit 118, and also transfers the bills to the thousand-yen bill storage unit 116 and the 10,000-yen bill storage unit 118. A replenishment collection unit 120 is provided for a staff member to replenish banknotes.

  Further, when the banknotes replenished from the replenishment collection unit 120 include reject banknotes on the back surface of the housing 140, the replenishment reject part 122 and the withdrawal port part 112 to which the reject banknotes are sent are withdrawn. When the banknote to be rejected includes a reject banknote, a withdrawal rejection unit 124 to which the reject banknote is sent, and a batch recovery unit 126 used when batch recovery of banknotes as described later is performed are provided. Yes. Further, banknotes that the customer forgets in the two-thousand-yen bill collection unit 128 and the withdrawal-portion unit 112 are sent to the rear surface of the housing 140, which collectively stores the two-thousand-yen bill and the five-thousand-yen bill. Such a forgotten banknote collection unit 130 is disposed.

  In addition, inside the housing 140, a transport unit 132 that transports banknotes between the above-described components is provided, and the transport unit 132 is provided with an identification unit 114 that detects and identifies banknotes. ing.

  Moreover, as shown in FIG. 2, the banknote processing apparatus of this Embodiment is provided with the control part 30 for controlling each above-mentioned component.

  The arrows in FIG. 1A indicate the movement of banknotes during the deposit process in the banknote processing apparatus 1. Specifically, the control unit feeds the banknotes inserted from the deposit port 110 to the transport unit 132 one by one, reads the characteristics of the banknotes by the identification unit 114, identifies the denomination and authenticity, and determines the denomination Count. The banknotes determined to be accepted as a result of identification are stored in denomination storage units such as the thousand yen bill storage unit 116, the 10,000 yen bill storage unit 118, and the two or five thousand yen collection unit 128. Banknotes determined to be unacceptable and those determined not to be banknotes are transported to the withdrawal port 112, stacked and thrown out.

  The arrow in FIG. 1B indicates the movement of the banknote during the withdrawal process in the banknote processing apparatus 1. Specifically, the control unit pays out banknotes one by one from the thousand-yen bill storage unit 116 or the 10,000-yen bill storage unit 118 based on the denomination and number of money to be withdrawn, and the identification unit 114 overlaps the denominations and banknotes. Those that are determined to be payable and are determined to be payable are transported to the withdrawal port 112, stacked and thrown out. Banknotes determined not to be paid out are conveyed to the withdrawal reject unit 124 and accumulated.

  Subsequently, as illustrated in FIG. 3A, the paper sheet processing apparatus 1 according to the present embodiment includes a stacking unit 10 in which paper sheets such as banknotes are stacked. The stacking unit 10 is provided in the withdrawal port 112 of FIG. In the stacking unit 10, a stage 12 that defines the bottom surface of the stacking unit 10 and moves up and down is provided. A roller is provided on the upper surface of the stage 12. A conveying belt 14 configured to convey a bundle of paper sheets with a force sandwiched and held between the rollers of the stage 12 so as to face the stage 12 above the stage 12. Is provided. The conveyor belt 14 is selectively driven in the forward direction and the reverse direction under the control of the control unit 30. Further, as a sensor for detecting the presence / absence state (passage state) of the paper sheet on the stage 12, a banknote detection sensor (paper sheet detection sensor) 13 including a light emitting part, a light receiving part, and a prism for changing the direction of light. Are provided at predetermined positions.

  A discharge-side transport path 16 leading to the discharge port 15 is provided in the direction in which the bundle of paper sheets is transported when the transport belt 14 is driven in the forward direction with respect to the stacking unit 10. As the sensor for detecting the presence / absence state (passage state) of the paper sheet in the discharge side transport path 16, the bill detection sensor (paper sheet detection sensor) 17 also receives the light emitting unit and the light receiving unit 16. One part is provided at a predetermined position. Then, when the transport distance of the bundle of paper sheets by the transport belt 14 reaches a predetermined amount, an abnormality detection unit 20 that detects an abnormality related to the transport of the bundle of paper sheets based on the output of the banknote detection sensor 17, The bill detection sensor 17 is connected. The abnormality detection unit 20 may be integrated in the control unit 30. In the abnormality detection, for example, it is determined whether or not the passage timing of the sensor detection position of the paper sheet based on the driving amount of the transport belt 14 and the timing of paper sheet arrival detection by the banknote detection sensor 17 correspond appropriately. Made by. Alternatively, it is determined whether or not the transport distance of the paper sheet based on the driving amount of the transport belt 14 and the time during which the paper sheet passes detected by the banknote detection sensor 17 (time during light shielding) correspond appropriately. (If a jam occurs in the vicinity of the detection portion of the banknote detection sensor 17, the detection time during passage of the paper becomes longer than a predetermined time). Alternatively, it may be identified whether or not a paper sheet has arrived and passed within a predetermined time. In any case, by detecting that the paper sheet is not being conveyed as defined, it is detected that the “hook state” has occurred.

  On the other hand, a retry conveyance path 18 is provided in the direction in which a bundle of paper sheets is conveyed with respect to the stacking unit 10 when the conveyance belt 14 is driven in the reverse direction. In the retry conveyance path 18, the conveyance belt 14 and the conveyance belt 19 opposite to the conveyance belt 14 convey the paper sheets so that one or a plurality of bundles of paper sheets can be conveyed. It is. A bill detection sensor 17 is also provided in the retry conveyance path 18.

  The control unit 30 drives the conveyor belt 14 in the reverse direction when the abnormality detection unit 20 detects an abnormality during conveyance of a bundle of paper sheets in the ejection-side conveyance path 16, and the ejection-side conveyance path. The forward / reverse drive of the conveyor belt 14 is controlled such that a bundle of paper sheets being conveyed 16 is conveyed to the retry conveyance path 18 over the stage 12.

  In the present embodiment, the conveyance belt 14 extends to the retry conveyance path 18, and accordingly, the conveyance belt 14 causes the bundle of paper sheets in the retry conveyance path 18 to reach the stage 12 of the stacking unit 10. It can be transported. However, separately from the transport belt 14, a second transport belt that can transport a bundle of paper sheets in the retry transport path 18 to the stage 12 of the stacking unit 10 may be provided. When the control unit 30 controls the conveyance belt 14 (or the second conveyance belt), the bundle of paper sheets conveyed to the retry conveyance path 18 can be discharged again onto the stage 12 of the stacking unit 10.

  In the present embodiment, the retry conveyance path 18 also serves as a supply conveyance path for supplying paper sheets into the stacking unit 10.

  Next, the operation of the paper sheet processing apparatus 1 according to the present embodiment (the paper sheet processing method according to one embodiment of the present invention) will be described with reference to FIGS. 3 (a) to 3 (f). This action is brought about by the control unit 30 controlling the vertical movement of the stage 12 and the forward / reverse rotation of the conveyor belt 14.

  As shown in FIG. 3A, a paper sheet (for example, banknote) stacking unit (for example, a withdrawal holding unit) 10 has a paper sheet via a retry conveyance path 18 that functions as a supply conveyance path. Are supplied sequentially. The supplied paper sheets are accumulated on the stage 12 in the accumulation unit 10.

  As shown in FIG. 3B, the stage 12 of the stacking unit 10 is raised to throw out the sheets stacked in the stacking unit 10 in a bundle state, and the top of the stacked sheets is collected. The upper surface is pressed against the conveyor belt 14. Subsequently, as illustrated in FIG. 3C, when the transport belt 14 is driven to rotate forward in a state where a bundle of paper sheets is sandwiched between the stage 12 and the transport belt 14, the paper sheet A bundle of kinds is conveyed in the direction of the outlet 15.

  If the bundle of paper sheets is smoothly ejected from the outlet 15, the process ends at the step of FIG. However, if the bundle of paper sheets is not smoothly ejected from the outlet 15 for some reason, that is, if the abnormality detection unit 20 detects a conveyance abnormality, the conveyance belt 14 is driven in reverse, and FIG. As shown in (d), a bundle of paper sheets is returned to the retry conveyance path 18 over the stage 12 in the stacking unit 10 (retry preparation step). Specifically, the paper sheet detection sensor 17 in the retry conveyance path 18 returns until light transmission after light shielding returns (all returns) or until a limited amount of paper is conveyed after light shielding. Then, as shown in FIG. 3E, after the stage 12 is lowered to a predetermined lower position, a bundle of paper sheets is supplied onto the stage 12 from the retry conveyance path 18 (retry process). . As a result, the position and orientation of the bundle of paper sheets are changed during the fall, and the direction and inclination of the paper sheets, the position in the conveyance path width direction, and the like are corrected.

  During the retry process, the stage 12 is lowered to a predetermined lower position. Accordingly, since the bundle of paper sheets falls on the stage 12, it can be further expected that the bundle of paper sheets changes its position and orientation. In particular, the presence of air on the stage 12 facilitates changes in the position and orientation of the bundle of paper sheets. It should be noted that how much the stage 12 should be lowered can be determined by an actual experiment using an actual machine.

  Thereafter, the stage 12 of the stacking unit 10 is raised, and the uppermost surface of the paper sheet whose position and posture are changed is pressed against the conveyance belt 14. Then, as shown in FIG. 3 (f), when the transport belt 14 is driven to rotate forward in a state where a bundle of paper sheets is sandwiched between the stage 12 and the transport belt 14, the paper sheet A bundle of kinds is conveyed in the direction of the outlet 15.

  As described above, according to the present embodiment, by dropping a paper sheet onto the stage 12, the position state of the bundle of paper sheets is changed, and the direction, inclination, and conveyance path width direction of the paper sheet are changed. It can be expected that the position and the like are corrected. That is, it is possible to eliminate a jam that may occur during the conveyance of the paper sheet discharge side conveyance path 16 with a higher probability.

  The conveyance belt 14 of the present embodiment extends to the retry conveyance path 18 and functions as a second conveyance belt that can convey a bundle of paper sheets onto the stage 12 of the stacking unit 10. Therefore, when the control unit 30 controls the conveyance belt 14, the bundle of sheets returned to the retry conveyance path 18 can be discharged again onto the stage 12 of the stacking unit 10.

  It is preferable that the transport belt 14 functions as a second transport belt (configured as a transport belt integrated with the second transport belt), thereby simplifying the apparatus configuration. However, a mechanism for releasing the bundle of paper sheets returned to the retry conveyance path 18 onto the stage 12 of the stacking unit 10 may be provided separately from the conveyance belt 14.

  In the present embodiment, the retry conveyance path 18 also serves as a supply conveyance path for supplying paper sheets into the stacking unit 10. Thereby, the apparatus configuration is simplified and preferable. However, the supply conveyance path for supplying paper sheets into the stacking unit 10 may be provided separately from the retry conveyance path 18.

  In the present embodiment, the conveyance belt 14 is reversely driven and returned to the retry conveyance path 18 even in the whole bundle of paper sheets or only a part of the bundle of paper sheets (on the rear side). (Only part). When returning only a part of a bundle of paper sheets to the retry conveyance path 18, what length ratio (the length of the bundle returned to the retry conveyance path 18 / the total length of the bundle) should be returned. Can be determined by actual experiments using real machines.

  Here, FIG. 4 is a schematic cross-sectional view showing the overall configuration of the paper sheet processing apparatus in another embodiment of the present invention. In the paper sheet processing apparatus shown in FIG. 4, an extremely long deposit / withdrawal port portion 200 (which is a type that doubles as a throw-out port and an insertion port) is provided, and from the stacking unit 10 to the tip of the deposit / withdrawal port portion 200. Is extremely long, and a paper sheet detection sensor 17 is arranged in the middle. Other configurations are not different from the paper document apparatus shown in FIG. 1 at least as far as the present invention is concerned.

  In the paper sheet processing apparatus as shown in FIG. 4, the paper sheets are conveyed from the stacking unit 10 toward the deposit / withdrawal port unit 200 and completely come out of the stacking unit 10, and the stage 12 ( Even after the upper surface roller) is in close contact with the transport belt 14, control is performed such that the paper sheet in which the transport abnormality is detected is returned to the stacking unit 10 side. At that time, the lowering control of the stage 12 in the stacking unit 10 is performed so that the paper sheets can pass over the stacking unit 10. Specifically, the stage 12 is once lowered to a relatively low lowered position so that the trailing edge of the paper sheet does not interfere (collision) with the stage 12, and the trailing edge of the paper sheet is the stage 12. After reaching the top, the stage 12 is quickly raised to sandwich the paper sheets.

  In each of the embodiments described above, the bundle of paper sheets may be directly discharged onto the stage 12 when transported in the reverse direction without returning to the retry transport path 18.

  Specifically, when a conveyance abnormality is detected and a bundle of paper sheets is conveyed in the reverse direction by the conveyance belt 14, the stage 12 is controlled to be lowered to a desired lowered position at that time, and the paper sheet Discharge the bundle of species directly onto the stage 12.

  In each of the above embodiments, the transport belts 14 and 19 may be other transport mechanisms. For example, a conveyance roller may be used.

  Note that it is considered to increase the opening height of the insertion port 15 so that a bundle of 100 sheets (for example, banknotes) can be input. In the past, a value of 6.7 mm in height was generally adopted so that a bundle of 50 sheets of paper could be put in. However, a bundle of 100 sheets of paper can now be put in. As it is, the adoption of a value of 13.9 mm in height is being studied.

  In that case, if the number of paper sheets close to 100 is input, the degree of freedom of the position and orientation of the paper sheets at the time of input is not so high, and no particular problem occurs. However, if a small number of paper sheets that do not reach as far as 100 sheets are inserted, the degree of freedom of the position and orientation of the paper sheets at the time of insertion is large, so the paper sheets may be inserted obliquely (oblique insertion), The possibility of being thrown in at a position biased to one side in the lateral direction (shift insertion) increases. Then, such oblique insertion or offset insertion causes jamming due to skew feeding or poor loading.

  In order to solve such a problem, the present inventor has intensively studied about providing a height regulation guide (thickness regulation guide) at the insertion port 15. First, it has been found that it is effective to provide a pair of height regulation guides that regulate the opening height to 6.7 mm in both end regions in the lateral direction of the insertion port 15.

  When a paper sheet with a bend is inserted at a position that is biased to one side in the horizontal direction, the paper sheet is shown in FIG. There is a possibility that the curl or the bend will be sent to the next feeding process without being corrected. On the other hand, if the height regulation guides 300 are provided at both end regions in the horizontal direction as in the present embodiment shown in FIG. 6, when the paper sheets are inserted, the bending (curling) and the bending are to some extent. The effect of correcting is obtained.

  In addition, about the center area | region of a horizontal direction, although a height control guide may be provided similarly to both end area | regions, the direction which is not provided has better visibility.

  The height regulation guide as described above functions effectively when a small number of paper sheets are input, but needs to be retracted when a large number of paper sheets are input. That is, even if the opening height is 6.7 mm during normal times, an opening height of 13.9 mm must be provided when a large number of paper sheets are loaded.

  Therefore, in the present embodiment, the present inventor has adopted a configuration in which the cross section of the height regulation guide 300 has a sector shape and can be rotated around the support shaft 301 as shown in FIG. Thus, the height regulation guide 300 can provide an opening height of 13.9 mm by losing the throwing force when the paper sheet is thrown. Similarly, when paper sheets are discharged, the opening height of 13.9 mm can be provided by losing the discharge force. On the other hand, by using the return spring 302 in combination, the height regulation guide 300 can always provide an opening height of 6.7 mm when it is flat. If the lower part of the height regulation guide 300 is made heavy and the center of gravity is made lower than the support shaft 301 without using the return spring 302 together, a configuration that returns to a predetermined position (position that provides an opening height of 6.7 mm) by its own weight is also possible. Can be employed.

  But the height control guide 300 may be comprised as a member which moves to an up-down direction simply. In this case, a known linear slide mechanism can be employed.

  In the above description, the height regulation guide 300 is described as being retracted by the paper sheet input / output force, but the paper sheet input / output operation is performed using a power source such as a motor. Regardless of the force, drive control may be performed in association with the paper sheet input control or paper discharge control.

  Incidentally, a guide for preventing coins from being carried in the feeding portion is disclosed in Patent Document 4 (Japanese Patent Laid-Open No. 9-153159). However, in Patent Document 4, there is no description that suggests the height regulation guide 300 as described above.

  Further, as shown in FIGS. 8A and 8B, the present inventor, at the insertion slot 15, inserts a bill insertion width detection sensor (left) 15a, insertion slot bill insertion width detection sensor (right). 15b, a banknote take-in start detection sensor 15c, and a banknote feeding position detection sensor 15d are provided, respectively, and based on their detection results (outputs), the “deviation amount” of the banknote leading edge and banknote trailing edge is calculated. When the “amount” exceeds a predetermined specified value, it is preferable to return the bill to the customer side without feeding it out. 8A and 8B, reference numeral 15d denotes a take-in roller.

  As described above, if a number of paper sheets close to 100 are input, the degree of freedom of the position and orientation of the paper sheets at the time of input is not so high, and no particular problem occurs. However, if a small number of paper sheets that are not far from 100 sheets are inserted, the position and orientation of the paper sheets at the time of insertion is large, so the paper sheets can be inserted obliquely (oblique insertion). Will increase. Such oblique insertion causes jamming due to skew feeding or poor loading.

  Therefore, it is very preferable to return the banknotes inserted in an unqualified manner to the customer side based on the “deviation amount” of the banknote leading edge and banknote trailing edge.

  In the case of the sensor arrangement shown in FIGS. 8A and 8B, the “deviation amount” of the leading edge and the trailing edge of the banknote is calculated as follows.

  That is, the bill insertion speed at the slot 15 is unknown because it depends on the bill insertion speed by the depositor. Accordingly, the bill detection timing by the bill take-in start detection sensor 15c is determined from the intermediate timing between the bill detection timing by the insertion slot bill insertion width detection sensor (left) 15a and the bill detection timing by the insertion slot bill insertion width detection sensor (right) 15b. Based on the time until, the bill insertion speed is calculated. And based on the said banknote insertion speed, the time difference of the banknote detection timing by the insertion slot banknote insertion width detection sensor (left) 15a, and the banknote detection timing by the insertion slot banknote insertion width detection sensor (right) 15b, a banknote front-end | tip Is calculated.

  On the other hand, the bill taking-in speed from the insertion slot 15 depends on the carrying speed of the carrying mechanism (conveying belt). The conveyance speed is known. Therefore, after the detection timing by the banknote feeding position detection sensor 15d (in a state where the banknote is transported by the transport mechanism), the transport speed, the banknote detection timing by the insertion slot insertion width detection sensor (left) 15a, and the insertion slot banknote. Based on the time difference from the bill detection timing by the insertion width detection sensor (light) 15b, the “deviation amount” at the trailing edge of the bill is calculated.

  Further, as shown in FIG. 9, the present inventor provided an elevating and lowering type take-in roller 15 m that moves from the bottom to the top and holds the banknote in the insertion port 15, and the take-in roller 15 m After rising and pinching the banknote (FIG. 9A), the banknote is transported (inched) by a small distance by the transport belt 15n (FIG. 9B), and then the take-in roller 15m is lowered to temporarily hold the banknote. It is opened (FIG. 9 (c)), and the take-in roller 15m rises again to pinch the bill again (FIG. 9 (d)), and then the bill is taken in by the transport belt 15n (FIG. 9 (e)). ) Was confirmed to be preferable.

  As described above, if a number of paper sheets close to 100 are input, the degree of freedom of the position and orientation of the paper sheets at the time of input is not so high, and no particular problem occurs. However, if a small number of paper sheets that are not far from 100 sheets are inserted, the position and orientation of the paper sheets at the time of insertion is large, so the paper sheets can be inserted obliquely (oblique insertion). Will increase. Such oblique insertion causes jamming due to skew feeding or poor loading.

  Therefore, by using the lifting / lowering operation of the take-in roller 15m and performing the process of pinching → opening → re-pinching the banknote, a state such as skew or lateral deviation of the banknote can be corrected, for example, by contact with the side plate. That is, it is possible to effectively reduce the frequency of occurrence of problems such as skew feeding and poor loading.

  Further, by inching at the start of taking-in, there is an effect that the depositor is informed of the start of taking-in and the hand is released from the banknote.

DESCRIPTION OF SYMBOLS 10 Stacking part 12 Stage 13 Light passage sensor 14 Conveyor belt 15 Insertion slot 15a Insertion slot bill insertion width detection sensor (left)
15b Insertion bill insertion width detection sensor (light)
15c Bill take-up start detection sensor 15d Bill feeding position detection sensor 15m Liftable type take-in roller 15n Conveying belt 16 Input side conveying path 17 Light passage sensor 18 Retry conveying path (also serving as a supplying conveying path)
20 Abnormality detection unit 19 Conveying belt 30 Control unit 60 Stacking unit 61 Conveying path 62 Stage 64 Conveying belt 65 Input port 300 Height regulating guide 301 Support shaft

Claims (5)

A paper sheet processing apparatus,
A transport path that can transport a bundle of paper sheets in the forward and reverse directions, and a transport path to a transport destination that is a destination point for transporting the paper sheets,
A stacking unit provided in the transport path and having a stage capable of moving up and down;
When transporting a bundle of paper sheets from the stacking unit to the transport destination, an abnormality detection unit that detects an abnormality related to the transport;
Based on the detection result of the abnormality detection unit, a control unit that controls the transport mechanism and the stage;
With
When the abnormality detection unit detects an abnormality, the control unit controls the conveyance mechanism to reverse the conveyance direction of the bundle of paper sheets, and controls the stage to lower the stage to a desired level. A paper sheet processing apparatus that is lowered to a position and discharges a bundle of paper sheets onto a stage of a stacking unit. A paper sheet processing apparatus,
A transport path that can transport a bundle of paper sheets in the forward and reverse directions, and a transport path to a transport destination that is a destination point for transporting the paper sheets,
A stacking unit provided in the transport path and having a stage capable of moving up and down;
When transporting a bundle of paper sheets from the stacking unit to the transport destination, an abnormality detection unit that detects an abnormality related to the transport;
Based on the detection result of the abnormality detection unit, a control unit that controls the transport mechanism and the stage;
With
When the abnormality detection unit detects an abnormality, the control unit controls the conveyance mechanism to reverse the conveyance direction of the bundle of paper sheets so that at least a part of the bundle of paper sheets has the stacking unit. The sheet bundle is conveyed in the opposite direction until it exceeds, and then the stage is controlled to lower the stage to a desired lowered position, and the sheet bundle is discharged onto the stage of the stacking unit. A paper sheet processing apparatus characterized by comprising: 2. The abnormality detection unit is configured to detect an abnormality based on an actual passage timing of a bundle of paper sheets based on an output of a sensor that detects a passage timing of the bundle of paper sheets. Or the paper sheet processing apparatus of 2. The abnormality detection unit is configured to detect an abnormality based on an actual time required for passing a bundle of paper sheets based on an output of a sensor that detects a passage state of the bundle of paper sheets. The paper sheet processing apparatus according to 1 or 2. A transporting process for transporting paper sheets sandwiched by force in the thickness direction;
While moving the paper sheet in the transport direction, releasing the force in the thickness direction and dropping it,
A re-conveying step in which the paper sheet is sandwiched and conveyed again by a force in the thickness direction;
A paper sheet processing method characterized by comprising:

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