JP5472435B2 - Paper sheet stacking and feeding mechanism - Google Patents

Description

  The present invention relates to a paper sheet stacking and feeding mechanism that stacks and stores paper sheets such as banknotes on a stage and stacks or feeds paper sheets by moving the stage up and down.

  Generally, in an automatic teller machine that handles paper sheets such as banknotes, the paper sheets deposited by deposit transaction are identified and stored in the storage unit for each denomination, and in withdrawal transactions, etc. A paper sheet stacking and feeding mechanism is provided so that it can be withdrawn from the storage unit and dispensed.

  The conventional paper sheet stacking and feeding mechanism includes a stage in which paper sheets are stacked and movable in the vertical direction, a storage section provided with a gate guide and a rear guide before and after the stage, and a paper sheet stacked on the stage. Pickup roller that presses and feeds the topmost surface of the paper, and feeds the paper fed by the pickup roller to the outside of the storage unit and feeds the paper conveyed from the external conveyance path into the storage unit A roller, a gate roller that is in pressure-contact with the feed roller and always rotates in a direction in which a sheet is fed into the storage unit, and driving means that rotationally drives the rollers.

  In addition, there is a technique in which a bill stopper is provided on the rear guide to absorb the impact force when the leading edge of the paper sheet transported from the external transport path collides so that the paper sheet is aligned and accumulated on the stage. (For example, see Patent Document 1).

JP-A-8-12168

  However, in the conventional paper sheet stacking and feeding mechanism, when stacking operation is performed with the stage raised to a high position, the paper sheet enters the gap between the stage and the gate guide and drops into the space below the stage. However, it sometimes remains in a position that cannot be detected by the stage residual sensor.

  The present invention adopts the following configuration in order to solve the above-described problems. That is, a storage unit including a gate guide and a rear guide provided to extend in the vertical direction along both front and rear sides in the paper sheet transport direction of a stage that is capable of stacking and moving up and down the paper sheet In the paper sheet stacking and feeding mechanism that stacks or feeds the paper sheets by rotating and driving the plurality of feed rollers by moving the stage up and down, the two adjacent the side surfaces on the gate guide side in the longitudinal direction of the stage A plurality of protrusions are provided symmetrically in the longitudinal direction while avoiding the center of the stage between the feed rollers, and a gate guide rib is disposed on the gate guide so as to mesh with the plurality of protrusions.

  According to the paper sheet stacking and feeding mechanism of the present invention, since it is configured as described above, banknotes do not enter the gap between the stage and the gate guide, and fall into the space below the stage and detected by the stage residual sensor. It is possible to prevent remaining in a position where it cannot be performed.

It is a block diagram (side view) of the paper sheet stacking and feeding mechanism according to the first embodiment. It is a principal part block diagram (side view) of the paper sheet accumulation | feeding delivery mechanism of Example 1. FIG. It is a block diagram (top view) around the stage of the paper sheet stacking and feeding mechanism of the first embodiment. FIG. 6 is a diagram for explaining a malfunction operation of the paper sheet stacking and feeding mechanism according to the first embodiment. It is a principal part block diagram (side view) of the paper sheet accumulation | feeding delivery mechanism of Example 2. FIG. It is a principal part block diagram (side view) of the paper sheet accumulation | feeding delivery mechanism of Example 3. FIG.

  Embodiments of the present invention will be described below with reference to the drawings. Elements common to the drawings are given the same reference numerals. In the following description, the paper sheet to be handled is described as a banknote. However, as long as it is a paper sheet, a bond or a certificate other than the banknote may be used.

(Constitution)
First, the overall configuration of the paper sheet stacking and feeding mechanism of the first embodiment will be described in detail below with reference to the side view of FIG. 1A shows a state when banknotes are stacked, and FIG. 1B shows a state when banknotes are fed.

  As shown in the figure, 33 is a banknote as a paper sheet, 8 is a banknote storage section, and 21 is a banknote stacking stage that can be moved up and down by a drive mechanism (not shown). The stage 21 secures a space for stacking by lowering in the direction of the arrow G during stacking, and is raised in the direction of the arrow H during feeding to press the bill 33 on the stage 21 against the picker roller 3.

  31 is a feed roller that rotates in the direction of arrow A during stacking and feeds banknotes in the direction of arrow C, and 3 is a picker roller that rotates in the direction of arrow E during feeding and feeds banknotes 33 as indicated by arrow F. The other end of the picker arm 9 is attached to the rotation shaft of the feed roller 31 so as not to receive the rotation.

  Reference numeral 10 denotes an endless drive belt that is stretched between a toothed pulley attached to the rotation shaft of the feed roller 31 and a toothed pulley of the same number of teeth attached to the shaft of the picker roller 3. Thus, the rotation of the feed roller 31 is transmitted to the picker roller 3.

  Reference numeral 32 denotes a gate roller that rotates in the direction of arrow B to feed bills in the direction of arrow C during stacking, and is disposed at the bill entrance / exit of the bill storage unit 8 together with the feed roller 31. Two feed rollers 31 are provided with respect to the rotation shaft as shown in FIG. 3 described later, and two gate rollers 32 are arranged on the lower side of the feed roller 31 so as to face the feed roller 31. Each of the feed roller 31 and the gate roller 32 has a groove on the entire outer periphery, and meshes with each other in a non-contact state.

  Reference numeral 38 denotes a conveyance path provided on the banknote entrance / exit side of the banknote storage unit 8 so as to face a direction substantially orthogonal to the stacking direction of the banknotes 33 stacked on the stage 21. The impeller 5 and the gate roller 32 store banknotes. It is arrange | positioned so that it may be located in the banknote entrance / exit side of the part 8 and the conveyance path 38 below, and the blade front-end | tip in the banknote storage part 8 is rotated at the banknote entrance / exit side of the banknote storage part 8 at the time of rotation of the impeller 5. A groove or a hole for entering is provided.

  12 is a travel sensor that optically detects the banknote 33 passing through the transport path 38, 22 is a bill stopper provided on the inner surface of the rear part of the banknote storage 8 so as to face the banknote entrance of the banknote storage 8, and 13 is a stage 21. It is a stage residual sensor which optically detects the banknote 33 remaining on the top.

  The bill stopper 22 stops the banknote 33 fed into the banknote storage 8 by the feed roller 31 and the gate roller 32, and is provided with a spring (not shown) to absorb the kinetic energy of the collided banknote. It has come to be.

  5 is an impeller for knocking down a banknote at the time of accumulation | stacking. The impeller 5 is driven by a driving mechanism (not shown) to push the roller of the impeller 5 against a roller arranged coaxially with the feed roller 31 as shown in FIG. The rear end of the banknote 33 that rotates in the direction of arrow B and is discharged into the stacking space by the feed roller 31 is knocked down by the blades of the impeller 5 and the banknotes 33 are drawn and aligned. Further, when the bill 33 is fed out, it can be retreated to a predetermined position by a drive mechanism (not shown) so as not to hinder the conveyance as shown in FIG.

  Next, the principal part structure of a banknote accumulation | feeding / delivery apparatus is demonstrated in detail below using the side view of FIG. 2, and the top view of FIG. As shown in the figure, the stage 21 is supported by stage shafts 21a and 21b, and is moved up and down by a driving mechanism (not shown).

  The banknote storage unit 8 includes a gate guide 26 provided on the banknote entrance / exit side, a rear guide 23 provided on the rear side opposite to the banknote entrance / exit side, and side guides 24a and side guides provided on the left and right in the transport direction. 24b.

  The gate guide 26 continues to the gate roller gently so that the tip of the banknote 33 does not get caught when being fed. The rear guide 23 is provided with a bill stopper 22 for causing the bills 33 to collide when bills are stacked.

  Further, the stage 21 and the gate guide 26 are respectively provided with a stage rib 27 and a gate guide rib 28, which are alternately arranged and meshed so that the bill 33 does not fall into the gap between the stage 21 and the gate guide 26. It has become.

  Further, the bill stopper 22 provided in the rear guide 23 is projected in the bill entrance / exit direction, and the rear end of the stage 21 is formed in a rib shape so that they are alternately arranged and engaged with each other so that they do not fall from the rear end of the stage. ing.

(Operation)
With the above configuration, the paper sheet stacking and feeding mechanism 1 according to the first embodiment operates as follows. This operation will be described in detail below with reference to FIG. 2 and FIG. In the following description, the operation at the time of integration related to the present invention is mainly described, and the detailed description of the feeding operation is omitted for simplification.

  As shown in the figure, when stacking banknotes, the banknotes 33 transported from the transport path 33 are arranged between the feed roller 31 that rotates in the direction of arrow A and the gate roller 32 that is pressed against and rotates in the direction of arrow B To the entrance of the banknote storage unit 8 as indicated by an arrow C.

  At this time, as shown in FIG. 2, in the case of the banknote 33 with the tip drooped, the tip tends to enter the gap between the stage 21 and the gate guide 26. The stage rib 27 and the gate guide rib are respectively connected to the stage 21 and the gate guide 26. 28 are arranged alternately and mesh with each other, so that the banknote 33 does not enter the gap between the stage 21 and the gate guide 26 and falls into the space below the stage 21 and remains on the stage. It does not remain at a position that cannot be detected by the sensor 13.

  Further, since the bill stoppers 22 provided so as to protrude from the rear guide 23 and the ribs at the rear end of the stage 21 are alternately arranged and engaged with each other, they do not fall from the rear end of the stage.

(Effect of Example 1)
As described above, according to the paper sheet stacking and feeding mechanism of the first embodiment, the stage rib and the gate guide rib are provided and meshed with the stage for moving the stacked banknotes up and down and the gate guide provided at the banknote entrance. The banknote does not enter the gap between the stage and the gate guide, and it is possible to prevent the banknote from falling into the space below the stage and remaining at a position that cannot be detected by the stage residual sensor.

  By the way, in the paper sheet stacking and feeding mechanism of the first embodiment, for example, when the return process is performed due to an abnormality during the feeding operation when there are few stacked banknotes, the stage 21 is in the direction of arrow H as shown in FIG. In some cases, the banknote 33 returns from the transport path 38 in a state in which the upper portion of the stage rib 27 no longer engages with the gate guide rib 28.

  In such a case, since the upper part of the gate guide 26 continues gently to the gate roller 32, the paper sheet stacking and feeding mechanism of the first embodiment is inclined with the stage rib 27 as shown in FIG. 4B. A V-shaped gap 30x is generated at a portion where the gate guide ribs 28 are engaged with each other.

  When the bill 33 is pushed into the V-shaped gap 30x in a wedge shape, the bill 33 is deformed according to the alternate shape of the stage rib 27 and the gate guide rib 28 and enters between the stage rib 27 and the gate guide rib 28. End up.

  When further pushed in this state, the meshing portion does not function sufficiently, and the banknote 33 may pass between the stage 21 and the gate guide 26 and fall below the stage 21.

(Constitution)
In order to solve the above problem, in the paper sheet stacking and feeding mechanism of the second embodiment, as shown in FIGS. 5A and 5B, a notch 27x is provided on the side surface of the stage rib 27.

  The stage rib notch 27x may be small enough to catch the tip of the bill 33, but the notch lower part 27y meshes with the gate guide rib 28 in a state where the stage 21 is lifted as shown in FIG. I am doing so. Since other configurations are the same as those of the paper sheet stacking and feeding mechanism of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the paper sheet stacking and feeding mechanism 1 according to the second embodiment operates as follows. This operation will be described in detail below with reference to FIG. That is, when the banknote 33 returns from the transport path 38 with the stage 21 raised to a higher position, such as when performing a return process due to an abnormality during the feeding operation when there are few stacked banknotes, The stage rib 27 and the gate guide rib 28 are pushed in a wedge shape along the gap 30x between the meshing portions.

  At this time, the pushed banknote 33 is caught in the notch 27x and does not fall into the space below the stage 21 even if pushed.

(Effect of Example 2)
As described above, according to the paper sheet stacking and feeding mechanism of the second embodiment, since the notch portion for hooking the leading edge of the bill is provided on the stage rib, in addition to the effects of the paper sheet stacking and feeding mechanism of the first embodiment, the stage Even if the gate guide rib and the stage rib engage with each other and a gap is generated and the leading edge of the bill enters the gap, the bill is stopped at the notch, and the bill falls into the space below the stage. It does not remain in a position that cannot be detected by the residual sensor.

(Constitution)
This will be described in detail below with reference to FIG. As shown in the figure, in the paper sheet stacking and feeding mechanism 1 of the third embodiment, a sawtooth wave shape is used instead of the notch portion 27x provided in the stage rib 27 of the paper sheet stacking and feeding mechanism of the second embodiment. 27z. The sawtooth wave shape 27z may also be small enough to catch the tip of the bill 33. Since other configurations are the same as those of the paper sheet stacking and feeding mechanism of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the paper sheet stacking and feeding mechanism 1 according to the third embodiment operates as follows. This operation will be described in detail below with reference to FIG. That is, when the banknote 33 returns from the conveyance path 38 in a state where the stage 21 is raised to a higher position, such as when a return process is performed due to an abnormality during the feeding operation when there are few stacked banknotes, the banknote 33 is moved to the stage rib 27. And the gate guide rib 28 are pushed in a wedge shape along the gap 30x between the meshing portions.

  At this time, the tip of the pushed banknote 33 is caught by the sawtooth wave shape 27z, and even if pushed further, it does not fall into the space below the stage 21.

(Effect of Example 3)
As described above, according to the paper sheet stacking and feeding mechanism of the third embodiment, since the sawtooth wave shape for hooking the bill tip to the stage rib is provided, as with the effect of the paper sheet stacking and feeding mechanism of the second embodiment, Even if the stage further rises and a gap is generated at the portion where the gate guide rib and the stage rib mesh with each other and the leading edge of the bill enters the gap, the bill is stopped in the sawtooth wave shape, and the bill falls into the space below the stage. Therefore, it does not remain at a position that cannot be detected by the stage residual sensor.

  As described above, the present invention recognizes banknotes that have been deposited, accumulates and stores them in a storage unit for each denomination, and feeds and collects the stored banknotes from the storage unit. It can be widely used for an automatic teller machine equipped with a mechanism.

DESCRIPTION OF SYMBOLS 1 Paper sheet collection | feeding delivery mechanism 5 Impeller 8 Bill storage part 12 Travel sensor 13 Stage residual sensor 21 Stage 22 Bill stopper 23 Rear guide 24a, 24b Side guide 26 Gate guide 27 Stage rib 27x Notch part 27y Notch lower part 27z Sawtooth wave shape 28 Gate guide rib 31 Feed roller 31a Rotating shaft 32 Gate roller 33 Bill 38 Carriage path

Claims (5)

A storage unit including a gate guide and a rear guide provided so as to extend in the vertical direction along the front and rear ends in the paper sheet conveyance direction of the stage that can move up and down by accumulating paper sheets, In a paper sheet stacking and feeding mechanism that stacks or feeds paper sheets by rotating and driving the plurality of feed rollers by moving the stage up and down,
A plurality of protrusions are provided symmetrically in the longitudinal direction between the two adjacent feed rollers on the side surface on the gate guide side in the longitudinal direction of the stage so as to avoid the center of the stage, and further engage with the plurality of protrusions. A paper sheet stacking and feeding mechanism, wherein a gate guide rib is disposed on the gate guide.   2. The paper sheet stacking and feeding mechanism according to claim 1, wherein the plurality of protrusions are chamfered at an upper portion on the gate guide side.   2. The paper sheet stacking and feeding mechanism according to claim 1, wherein a stage shaft for supporting the stage so as to be movable in the vertical direction is provided outside a region where the paper sheets are stacked on the stage. The rear guide includes a bill stopper,
2. The bill stopper according to claim 1, wherein the bill stopper protrudes from the rear guide, a rib is provided on the rear guide side of the stage, and the bill stopper and the rib on the rear guide side are alternately meshed with each other. Paper sheet accumulation feeding mechanism.   An automatic transaction apparatus comprising the paper sheet stacking and feeding mechanism according to any one of claims 1 to 4.

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