JP5589349B2 - Paper sheet processing equipment - Google Patents

Description

  The present invention relates to a paper sheet processing apparatus provided with a transport mechanism for transporting paper sheets such as banknotes with a pair of rollers, and in particular, a paper sheet processing that can appropriately assemble a roller unit. It relates to the device.

  This type of paper sheet processing apparatus includes a storage unit that stores paper sheets as disclosed in, for example, Patent Document 1 and the like, and is transported from the outside via a transport path to an input / output portion of the storage unit. A transport mechanism that is not explicitly described in the document is provided for feeding paper sheets into the storage section and discharging the paper sheets in the storage section toward the transport path.

  The transport mechanism usually includes a pair of input roller units having a driving force, and a pair of discharge roller units commonly called a feed roller unit and a gate roller unit, in which the paper sheets are input in the input direction. Or it is comprised so that it may urge in the discharge | emission direction. Then, it is usual that a bundle of paper sheets is batch-loaded into the storage section via the input roller unit, and the paper sheets stacked in the discharge state are discharged one by one by the discharge roller unit. .

JP 2007-308233 A

  Among the above roller units, for example, the conveying force of the discharge roller unit varies depending on the distance between both roller units such as the gate wrap amount of the feed roller and the gate roller, so the conveying force for discharging the sheets one by one. Therefore, it is required to accurately position both roller units at the time of assembling.

  However, since both roller units are independently assembled separately, an assembly error occurs. The distance between the roller units changes due to the assembly error, and therefore, for example, an excen ( Eccentricity) It is necessary to adjust the distance between both roller units by adjusting the position of the gate roller unit with adjusting means such as a shaft. This adjustment operation takes time, and the distance between the two roller units after adjustment is likely to vary, making it difficult to stably obtain a certain conveying force.

  The present invention has been made paying attention to such problems, and its purpose is to simplify the work of adjusting the distance between a pair of roller units that convey paper sheets and improve the assembling work efficiency. Another object of the present invention is to provide a paper sheet processing apparatus that stably reduces a variation in the distance between both roller units and stably obtains a constant conveying force.

  In order to achieve this object, the present invention takes the following measures.

That is, the sheet processing apparatus according to the present invention responds to the distance between the two roller units by rotating at least one of the two roller units while sandwiching the sheets with a pair of roller units arranged on both sides in the thickness direction. A paper sheet processing apparatus comprising a transport mechanism for transporting the paper sheet with a transport force, wherein both roller units that constitute the transport mechanism are provided relatively freely in perspective, and in the transport mechanism, There is provided an associated portion that intervenes between both roller units so that one roller shaft of both roller units is on a circumference of a predetermined diameter centered on the other roller shaft, and the associated portion includes: It is provided via a bearing on the rotating shaft that constitutes the other roller unit of both roller units, and constitutes one of the roller units The outer shaft is engaged with the outer peripheral surface of the bearing provided on the rotating shaft, and the other portion is set so that the distance between the rotating shafts of both roller units becomes a predetermined value in a state where the related portion is engaged with the outer peripheral surface of the bearing. The dimension from the rotation axis of the roller unit to the outer peripheral surface is set, and the engagement surface that engages with the outer peripheral surface of the related portion is formed along the circumference around the rotation axis of the other roller unit. It is characterized by being.

  If comprised in this way, if a related part is made to interpose between both roller units, both rollers will be such that one rotating shaft of both roller units exists on the circumference of a predetermined diameter centering on the other rotating shaft. Since the units are linked and the distance between the two roller units is maintained at a predetermined value, the work of adjusting the distance between the two roller units can be omitted to improve the assembly work efficiency, and the distance between the two roller units can be reduced. A uniform conveying force can be stably obtained with uniform holding.

The related unit, Rutotomoni provided through a bearing on the rotary shaft constituting the other roller unit out of the two roller units, bearings provided on the rotating shaft constituting one of the roller unit, of the two roller unit the outer peripheral surface and engaged, one of the rollers from the axis of rotation of the other roller unit so that a distance between the rotation axes of both roller units in a state in which the associated portion on the outer peripheral surface of the bearing is engaged becomes a predetermined value from Rukoto it is set dimensions to the outer peripheral surface of the unit can be accurately positioned only by the rollers unit adding a simple structure to the existing roller unit.

In addition , since the engaging surface that engages with the outer peripheral surface of the related portion is formed along the circumference around the rotation axis of the other roller unit , for example, an assembly error occurs and keeping the distance of the rotation axes of without roller units being affected by the assembling accuracy even when the assembly position of the roller unit is shifted to constant both roller unit can be properly positioned.

  In order to achieve both a mechanism for discharging paper sheets by both roller units and a mechanism for feeding paper sheets by a drive unit other than both roller units, the transport mechanism is configured to stack paper sheets in a stacked state. It is provided at the entrance / exit portion of the storage section for storing, and when the paper sheets are discharged by the both roller units, the related part is interposed between the both roller units, and the paper sheets by the driving unit other than the both roller units are disposed. It is desirable that the two roller units be separated from each other at the time of loading.

  In order to strictly manage the amount of overlap, it can be mentioned that each of the roller units has a comb roller that overlaps each other in the radial direction and sandwiches paper sheets.

  Since the present invention has the above-described configuration, when the related portion is interposed between the two roller units, one of the rotation shafts of both roller units has a predetermined diameter around the other rotation shaft. The two roller units are associated with each other and the distance between the two roller units is maintained at a predetermined diameter, so that it is not necessary to adjust the distance between the two roller units after assembling, and the assembling work efficiency can be improved. It becomes possible. Furthermore, since the distance between the two roller units is uniformly maintained, a constant conveying force can be stably obtained.

1 is a schematic overall configuration diagram of a paper sheet processing apparatus according to an embodiment of the present invention. The figure corresponding to FIG. 1 which shows the state which extracted some safes. The block diagram which shows the outline | summary of a structure and function of the embodiment. The schematic diagram which shows the conveyance mechanism which conveys a banknote in the embodiment. The typical expanded side view which shows the roller unit of the conveyance mechanism in the embodiment. The perspective view which shows the roller unit of the conveyance mechanism in the embodiment. The front view which shows the roller unit of the conveyance mechanism in the embodiment. The typical side view which shows the amount of laps of the roller unit of the conveyance mechanism in the embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a paper sheet processing apparatus as a banknote block that handles banknotes will be described as an example.

  The paper sheet processing apparatus of this embodiment shown in FIG. 1 is used as, for example, a ticket vending machine that sells tickets, cards, check-out tickets, etc., and is stored in a banknote block 1 and a banknote storage place. And the transport means 2 for identifying the denomination of the inserted bill by the identification unit 22 and transporting it to the corresponding safe among the safes A to D via the transport path 21. .

  The banknote block 1 is provided with an insertion port 11, a withdrawal port 13, and a return port 14 (hereinafter also referred to as a withdrawal port 12 together with the withdrawal port 13 and the return port 14) on the side closer to the user. A fixed-type mixing safe D is provided on the side close to the user, and three cassette-type safes A to C are provided on the side, on the side where the staff operates. Also, in the banknote block 1, a temporary holding unit E or a withdrawal holding unit F that temporarily holds banknotes on the transport path 21, unreadable, double feed occurrence, defective ticket collection that collects defective tickets at the time of abnormality detection Part G and the like are also provided. The cassette-type safes A to C are detachable safes that can be gripped and pulled out as illustrated in FIG.

  As shown in FIG. 3, the identification unit 22 mainly performs denomination determination of banknotes, and identifies only denominations of banknotes inserted through the insertion slot 11. On the other hand, when banknotes are replenished to the respective safes A to D, or when banknotes are collected from the respective safes A to D, the simple identification unit 20 for replenishment and collection shown in FIG. Hereinafter, the denomination is identified by a simple identification unit. The simple type mentioned here refers to a type that performs only denomination identification and does not identify the authenticity of banknotes (whether it is counterfeit).

  As shown in FIGS. 4 and 5, each of the safes A to C includes a storage unit a <b> 2 that stores banknotes in a stacked state, and paper sheets Pa such as banknotes conveyed from the outside via the conveyance path 21. A transport mechanism 3 is provided for feeding into the storage section a2 and discharging the paper sheets Pa in the storage section a2 toward the transport path 21. The transport mechanism 3 includes a pair of input roller units 32 and 33 having a driving force disposed on both sides in the thickness direction of the paper sheet Pa, and a pair of discharge rollers called a feed roller unit 30 and a gate roller unit 31. And a roller unit 30 to 33 for biasing the paper sheet Pa in the loading direction or the discharging direction. Then, the paper sheets Pa (Stack) bundled through the input roller units 32 and 33 are collectively input into the storage section a2, and the paper sheets Pa stacked at the time of discharge are fed one by one to the feed roller unit 30 and the gate. The paper is discharged by the roller unit 31.

  As shown in FIG. 7, the pair of feed roller unit 30 and gate roller unit 31 includes comb rollers 30a to 30c of the feed roller unit 30 and comb rollers 31a to 31b of the gate roller unit 31 in the radial direction of the rotation shaft. The paper sheets Pa are sandwiched between the paper sheets Pa. The feed roller unit 30 conveys the paper sheet Pa, and the comb rollers 31a to 31b of the gate roller unit 31 are stopped or rotated in the same direction as the comb rollers 30a to 30c of the feed roller unit 30, so that the paper sheet Pa is recovered. When more than two sheets are fed, the fed paper sheets Pa are separated and retained in the storage portion a2, and the paper sheets Pa are conveyed one by one. In this case, since the conveyance force changes according to the gate lap amount lap of the feed roller unit 30 and the gate roller unit 31, that is, the distance between the feed roller unit 30 and the gate roller 31 unit, the paper sheets Pa are conveyed one by one. Therefore, it is necessary to accurately position the feed roller unit 30 and the gate roller unit 31 at the time of assembly in order to obtain a conveying force for the purpose.

  Therefore, in the present embodiment, as shown in FIGS. 5 to 7, the comb rollers 30 a to 30 c of the feed roller unit 30 are provided so as to be rotatable around the rotation axis Cn <b> 1, and the rotation shaft of the feed roller unit 30 is provided. The plate-like related portions 4 are attached to both end portions of 34 via bearings 37a. In this state, the related part 4 is fixed to the safe A (B, C) via a fastening tool 41 such as a screw. Further, the gate roller unit 31 is placed in the safe A (B, C) so that the comb rollers 31a to 31b of the gate roller unit 31 are rotatable about the rotation axis Cn2 and are relatively distant from the feed roller 30. It is arranged. Specifically, the balance unit 36 is attached to the safe A (B, C) so as to be rotatable about a rotation axis Cn3 substantially parallel to the rotation axis Cn1 of the feed roller unit 30, and the balance unit 36 is gated. The rotating shaft 35 of the roller unit 31 is attached via a bearing 37b. Both end portions of the rotating shaft 35 of the gate roller unit 31 are engaged with the related portion 4 via bearings 37c. The balance portion 36 is biased by a coil spring (not shown) in the direction of the arrow in FIG.

  As shown in FIG. 7, the related portion 4 is a feed roller in a state where the outer peripheral surface of a bearing 37 c provided at both ends of the rotary shaft 35 of the gate roller unit 31 and the engaging surface 4 r of the related portion 4 are engaged. The dimension from the rotation axis Cn1 of the bearing 37a to the engagement surface 4r is set so that the distance between the rotation axes Cn1 and Cn2 of the unit 30 and the gate roller unit 31 is maintained at R1. The feed roller unit 30 and the gate roller unit 31 are set so that the gate wrap amount Lap of both the comb rollers 30a to 30c and 31a to 31b becomes a desired wrap amount when the distance between the rotary shafts Cn1 and Cn2 is R1. Has been.

  The engaging surface 4r of the related portion 4 is a surface that engages with the outer peripheral surface of the bearing 37c provided at both ends of the rotating shaft 35 constituting the gate roller unit 31 as described above, and is shown in FIGS. In this way, the feed roller unit 30 is formed along the circumference of the radius R2 with the rotation axis Cn1 as the center. By making the engagement portion between the related portion 4 and both ends of the rotation shaft 35 of the gate roller unit 31 into such a circular arc engagement surface 4r, both ends of the rotation shaft 35 of the gate roller unit 31 are positioned as shown in FIG. Since the radius of the bearing 37c is R3 no matter which part of the arc engagement surface 4r is arranged at Po1 or position Po2, the rotation axes Cn1, Cn2 of the feed roller unit 30 and the gate roller unit 31 are R3. The feed roller unit 30 and the gate roller unit 31 are related so that the distance R2 + R3 = R1 and the rotation axis Cn2 of the gate roller unit 31 is on the circumference of the radius R1 with the rotation axis Cn1 of the feed roller unit 30 as the center. It becomes possible.

  The urging force for urging the balance unit 36 is such that when the bundled paper sheets Pa (Stack) are put into the storage section a2, the gate roller unit 31 is pushed down by the bundled paper sheets Pa (Stack). Thus, the engagement between the arc engaging surface 4r of the related portion 4 and the gate roller unit 31 is released, and the strength is set such that the feed roller unit 30 and the gate roller unit 31 are separated from each other.

  As shown in FIG. 3, the transport unit 2 includes the transport path 21 including a not-shown gripping roller, a transport belt, a direction changing unit such as a wing, and the like, as in the known banknote processing device, and the transport mechanism. 3, the identification unit 22 and the simple identification unit 20 that identify the denomination of the bill to be conveyed, and the control unit 23 that controls the conveyance path 21 based on the identification result of the identification unit 22 or the simple identification unit 20. (See FIG. 3). And after letting the banknote thrown in from the insertion port 11 pass to the identification part 22, it distribute | circulates along the conveyance path | route 21, changes the direction of a banknote as needed by the branch part ag provided everywhere, The safes A to D, the temporary holding unit E, the withdrawal holding unit F, the payout port 12, the primary holding units a1 to c1, the defective ticket collecting unit G, and the like are transported, and from the safes A to D, the transport path 21 The system is configured to perform overall control including the upward feeding operation of banknotes, the denomination identification in the simple identification unit 20, and the transport operation to the payout port 12 and the safes A to D as the next transport destination. ing.

  In order to perform the above control, the control unit 23 is constituted by a normal microcomputer unit having a CPU, a memory, and an interface, and a necessary program such as a control processing routine shown in FIG. 6 is written in the memory. In addition, the CPU calls and executes necessary programs as appropriate, thereby realizing a movement control unit 24 that performs control related to the intended transfer operation and the movement of the reciprocating transfer unit 26a in cooperation with peripheral hardware resources. Is done. Further, when bills are loaded into the safes A to D or bills are fed out from the safes A to D, a counter (not shown) provided in a part of each safe A to D or a part of the transport path 21 is used. The number of banknotes is counted.

  As described above, the paper sheet processing apparatus according to the present embodiment is configured such that both the roller units while sandwiching the paper sheet Pa between the feed roller unit 30 and the gate roller unit 31 as a pair of roller units arranged on both sides in the thickness direction. In providing the transport mechanism 3 that transports the paper sheet Pa with a transport force corresponding to the distance between the roller units 30 and 31 by rotating at least one of the rollers 30 and 31, the both roller units 30 constituting the transport mechanism 3 are provided. , 31 are provided relatively freely in perspective, and one rotation axis Cn2 of both roller units 30, 31 is centered on the other rotation axis Cn1 interposed between the roller units 30, 31 in the transport mechanism 3. An associated portion 4 for associating both roller units 30 and 31 is provided so as to be on the circumference of a predetermined diameter.

  If comprised in this way, if the related part 4 is made into the state interposed between both roller units 30 and 31, one rotating shaft Cn2 of both roller units 30 and 31 will be of predetermined diameter R1 centering on the other rotating shaft Cn1. Since both roller units 30 and 31 are related to each other on the circumference and the distance between both roller units 30 and 31 is maintained at a predetermined value R1, the work of adjusting the distance between both roller units 30 and 31 is omitted. As a result, the assembly work efficiency can be improved, and the distance between the roller units 30 and 31 can be uniformly defined to obtain a constant conveying force stably.

  In the present embodiment, the associated portion 4 is provided in the other feed roller unit 30 of the two roller units 30 and 31, and is engaged with the gate roller unit 31 of the two roller units 30 and 31. Engagement surface 4r that is a portion that engages one gate roller unit 31 from the rotation axis Cn1 of the other roller unit 30 such that the distance between the rotation axes Cn1 and Cn2 of both roller units 30 and 31 is a predetermined value R1. Therefore, the existing roller units 30 and 31 have a simple configuration such that the related part 4 is provided in the existing feed roller unit 30 and the gate roller unit 31 is engaged with the related part 4. Both roller units 30 and 31 can be accurately positioned only by adding them.

  Further, in the present embodiment, the engagement surface 4 r that engages with one gate roller unit 31 in the related portion 4 is formed along the circumference around the rotation axis Cn <b> 1 of the other roller unit 30. Therefore, for example, even when an assembly error occurs and the assembly position of the gate roller unit 31 is deviated from the position Po1 to the position Po2, the rotational axes Cn1 and Cn2 of the roller units 30 and 31 are not affected by the assembly accuracy. Both roller units 30 and 31 can be appropriately positioned while keeping the distance constant.

  Further, in the present embodiment, the transport mechanism 3 is provided at an entrance / exit portion of the storage unit a2 that stores the paper sheets Pa in a stacked state, and the related unit 4 is provided when the paper sheets Pa are discharged by the roller units 30 and 31. The roller units 30 and 31 are spaced apart when the paper sheets Pa (stack) are inserted by the input rollers 32 and 33 which are interposed between the roller units 30 and 31 and are driving units other than the roller units 30 and 31. Therefore, when the paper sheet Pa is discharged by the both roller units 30 and 31, the paper sheet Pa is transported with a desired transport force, and the feeding roller as a driving unit other than the both roller units 30 and 31 is used. When the paper sheets Pa (stack) are loaded by 32 and 33, both roller units 30 and 31 are separated so as not to interfere with the loading of the paper sheets Pa. The mechanism for discharging the paper and the mechanism for loading the paper sheets Pa (stack) by the loading rollers 32 and 33, which are drive units other than the two roller units 30 and 31, can be appropriately made compatible.

  In addition, in the present embodiment, the feed roller unit 30 and the gate roller unit 31 that are both roller units respectively have comb rollers that overlap each other in the radial direction and sandwich the paper sheet Pa. Therefore, the feed roller unit 30 and the gate roller It becomes possible to strictly manage the overlap amount by uniformly defining the distance of the unit 31.

  As mentioned above, although embodiment of this invention was described based on drawing, it should be thought that a specific structure is not limited to these embodiment. The scope of the present invention is shown not only by the above description of the embodiments but also by the scope of claims for patent, and further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.

  For example, in the present embodiment, the related portion 4 is provided in the feed roller unit 30, but the related portion 4 may be provided in the gate roller unit 31 so as to be engaged with the feed roller unit 30. May be provided on both of the feed roller units 30 and 31, and the related portions 4 may be engaged with each other. The other related portion 4 may be a link mechanism that connects the rotation shaft Cn1 of the feed roller unit 30 and the rotation shaft Cn2 of the gate roller unit 31.

  In addition, in this embodiment, although paper sheets are made into the banknote Pa, you may apply to other paper sheets, such as a boarding ticket, a card | curd, and a check-out ticket.

  Finally, the specific configuration of each part is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

3 ... Conveying mechanism 30, 31 ... A pair of roller units (feed roller unit and gate roller unit)
Cn1, Cn2 ... Rotating shaft 4 ... Related part 4r ... Engagement surface (arc engagement surface)
Pa ... sheets a2 ... housing units 32, 33 ... driving unit other than a pair of roller units (feeding roller unit)
37a, 37c ... bearings

Claims (3)

A transport mechanism that transports the paper sheet with a transport force corresponding to the distance between the roller units by rotating at least one of the roller units while sandwiching the paper sheet with a pair of roller units arranged on both sides in the thickness direction. A paper sheet processing apparatus comprising:
Both roller units constituting the transport mechanism are provided relatively freely in perspective, and one rotation axis of both roller units is interposed between both roller units in the transport mechanism and is a predetermined centering on the other rotation axis. Provide a related part to associate both roller units so that they are on the circumference of the diameter ,
The related portion is provided via a bearing on a rotating shaft constituting the other roller unit of both roller units, and an outer peripheral surface of the bearing provided on the rotating shaft constituting one of the roller units. Engage with
The dimension from the rotation shaft of the other roller unit to the outer peripheral surface is set so that the distance between the rotation shafts of both roller units is a predetermined value in a state where the related portion is engaged with the outer peripheral surface of the bearing,
The paper sheet processing apparatus according to claim 1, wherein an engagement surface that engages with the outer peripheral surface of the related portion is formed along a circumference centering on a rotation axis of the other roller unit . The transport mechanism is provided in an entrance / exit portion of a storage portion that stores paper sheets in a stacked state, and the related portion is interposed between the roller units when the paper sheets are discharged by the rollers, and the roller units except other driver paper sheet processing apparatus according to claim 1 that is configured so that both roller units at the time of turn-on of the paper sheet is separated by. Wherein the rollers unit, paper sheet processing apparatus according to claim 1 or 2, each having a comb roller sandwiching the sheet be overlapped in the radial direction.

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