JPS638162A - Paper sheet stacker - Google Patents

Abstract

PURPOSE:To prevent a paper jam from occurring, by coupling a single drive source and a pressing plate reverse mechanism of each housing box together via each clutch being in a normally on-state, and turning clutches in other boxes to OFF when starting the drive source for interting a new paper sheet. CONSTITUTION:Bills 11 is held in each housing box 100 by holding between a pressing plate 1 and a feed roller 10 with pressure. This pressing plate 1 is attached to a belt 2 with a metal fitting 1a and energized in an arrow A direction by a spring 3. The belt 2 constitutes a reverse mechanism 200 of the pressing plate 1 by both pulleys 13 and 12. The pulley 12 is connected to a shaft 15 with a one-way clutch 4. In order to inset new bills from an arrow F direction, when a common drive source is started and the feed roller 10 is rotated in an arrow D direction via a driving pulley 6 and a belt 9, the clutch 14 of another housing box is turned off. With this constitution, the pressing plate 1 keeps proper pressure at the other housing box, so that a paper jam at the time of insertion of succeeding bills is preventable.

Description

Detailed Description of the Invention (a) Field of the Invention This invention relates to a storage box for storing paper sheets, such as an automatic teller machine used in banking, and a storage box for storing paper sheets in the storage box. This paper sheet stacking device is equipped with a pressing plate and a conveying row for stacking and storing paper sheets with a pincher, and is configured to apply an appropriate pressing force to the stored paper sheets by moving the suppressing plate.

(b) Cost of the invention In the above-mentioned automatic teller machine that collects and stores banknotes (paper sheets) in a banknote storage box inside the machine, the banknotes are sandwiched between the conveyance roller and the pressing plate. When performing LJ, this suppression plate is always pressed against the banknote by the force of a spring member, and
When a new banknote is inserted, the rotational force input from a drive source such as a motor is used to counteract the spring member and push the flE plate backwards to loosen the upward pressing force. This is to ensure that when inserting into a storage box, the pressing force against the already stored banknotes is weakened so that the insertion can be performed smoothly.

Conventionally, a detection switch detects a constant pressing force acting on stored banknotes while the clutch that extracts driving force from the drive source is kept ON, while a paper sensor detects the insertion of banknotes into the storage box and the drive source is activated. A 0N-OFF control method was adopted.

Also, automatic teller machines are often equipped with multiple storage boxes, so you can't put bills in or out of each storage box! Therefore, a single motor for the bar is used as the drive source, and the driving force of this motor is inputted to the storage box that requires the driving force through an electromagnetic clutch.

However, in this conventional method, while the drive source is activated to move backward the press plate of the storage box into which new banknotes are inserted, each electromagnetic clutch that is in the ON state also applies to the other storage box. Since the driving force is inputted through the storage boxes, the paper loading operation is performed in these storage boxes as well, and the pressing plate moves backward despite the fact that it is no longer possible to maintain an appropriate pressing force.

Therefore, if banknotes to be next stacked are fed in this state, there is a risk of paper jams.

(c) [1] This invention provides that when a new paper sheet is inserted into a storage box with the back of a plurality of storage boxes, the paper sheet is removed by the suppression plate of the other storage box. It is an object of the present invention to provide a paper sheet stacking device that prevents paper jams of M sheets to be inserted next by keeping the stacking push force F1 constant.

(D) Summary of the Invention This invention connects a single drive source and the push-reverse movement mechanism of each storage box through respective clutches that are always ON, and enables the insertion of new paper sheets. The paper sheet stacking device is characterized in that the drive source is started for this purpose, and the clutches of the storage boxes unrelated to this insertion are turned off.

(e) Effects of the Invention According to the present invention, the press plate of the storage box into which new paper sheets are inserted among the plurality of storage boxes can be used! When you
For other storage boxes unrelated to the insertion of paper sheets, the clutch was turned off and the driving force of the drive source was not input. [
Therefore, the accumulating pressing force of the paper sheets can be kept constant, and thereby the paper jam of the next paper sheet to be inserted can be eliminated.

(f) Examples of the invention Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view showing a schematic structure of a bill stacking device which is an embodiment of the paper sheet stacking device of the present invention.

The banknote storage box 100 accumulates and stores banknotes inside, and
: A mechanism is provided to feed it to the outside. That is, a belt 2 stretched around a pair of pulleys 12 and 13 is disposed near the inner bottom of the banknote storage box 100. The suppressing plate 1 is fixed to the bell 2 via a mounting bracket 1a, and a projecting piece 1b is formed downwardly from the pressing plate 1, and the other end is attached to the main body side (not shown). One end of the coil spring 3 held in the section is attached with a mounting number.

Note that the pulleys 12, 13 and belt 2 are connected to the pressing plate 1.
A commuting mechanism 200 is configured.

Corresponding to the pressing plate 1, a conveying roller 1o is mounted on the discharge port 14 side in the pressing force acting direction of the pressing plate, and banknotes 11 are accumulated between this and the suppressing plate 11.

Of the two front pulleys 12 and 13, the pulley 13 located on the opposite side to the discharge port 14 is attached to a shaft 16 that is pivotally supported by the banknote stacking device main body, and the pulley 1 on the other side of the discharge port 14
2 is attached to other shirts 1 to 15 parallel to the shaft 16 via a one-way clutch 4. This shaft 15 is connected to a motor via a gear, an electromagnetic clutch, etc., which will be described later. When the pulley 12 rotates in the right direction of arrow C' in the figure due to the rotation of the motor, the suppressing plate 1 is moved against the coil spring 3. 3I later! In other words, the banknote 11 is moved to the left, and the pressure of the banknote 11 is low. On the contrary, when the motor is driven so that the pulley 12 rotates in the direction of arrow C, the pressing plate 1 moves forward, that is, to the right, and the pressing force against the banknote 11 increases. However, after the suppression plate 1 moves to a position determined by the tension of the coil spring 3, the shaft 15 freely rotates while the pulley 12 is stopped due to the action of the one-way clutch 4.

The conveyance roller 10 is interlocked with the drive pulley 6 and the belt 9, and as the pulley 6 rotates, the conveyance roller 10 is rotated in the direction of the arrow Dh in the figure. When a banknote is fed in the direction indicated by the arrow J: in the figure, the child banknote is conveyed 11- with the first banknote that has already been collected +I+.
It is sent between the rollers 10 and is accumulated.

It should be noted that 7a, 7b, and 7b are paper inputs from a photointerrupter that detects that a banknote has been fed during this period.

Previous M+'! The feed roller 8, which is pivotally supported on the lower side of the feed roller 10, has the function of sending the first stacked banknotes downward and ejecting them to the outside from the discharge port 1/I. By rotating the banknote in the direction of the arrow in the figure, the first banknote will be sent downward (J) due to the action of frictional force.

FIG. 2 is a plan view of essential parts of the banknote stacking device shown in FIG. 1.

The shaft 15 is supported by a bearing 22 attached to the inside of the main body 21 of the apparatus. A gear 17 is connected to this shaft 15, and a gear 1717 is connected to a gear 1.
8 and 19 are connected. This gear 19 is connected to a pulley 21 via an electromagnetic clutch 20a.
1 is connected to a pulley 21' via a belt 23.

The pulley 21' is rotationally driven by a motor 24, and the rotational force of the sharpening motor 24 is transmitted to the shaft 15 when the electromagnetic clutch 20a is in an ON state, that is, in a connected state. When the electromagnetic clutch 20a is OFF, the shirts 1 to 15 rotate freely regardless of the motor 24. Therefore, in the state where the electromagnetic clutch 20a/) < OFF, the pressing plate 1 moves forward by the tension of the coil spring Ω as shown in FIG. 1, and stops while pressing the banknote 11 with the highest pressure.

Although FIG. 2 shows a portion where the motor 24 drives only the pulley 12 via the electromagnetic clutch 20, this motor 24 is used as a single drive source for a plurality of storage boxes. That is, the motor 2/I is connected to a plurality of other electromagnetic clutches (not shown), and by turning the electromagnetic clutches ON and OFF as necessary, the driving force of the motor is selectively applied to the pulleys of the plurality of storage boxes. can be transmitted to.

FIG. 3 shows the movement of the transport []-ra 10 and the detection switch 2.
5a, and is a plan view of the main part of FIG. 1. FIG.

By applying pressure to the right by the suppression plate 1, the banknote 11
is compressed, and the conveyance port 10 moves to the right at the same time. This operation corresponds to the movement of the conveying roller 10 in the direction of arrow B in FIG. This conveyance roller 1
A connecting body 27 is supported on the rotation axis O, and an actuator 26 rotating around the central axis O is in contact with the tip of the connecting body 27. As the transport row 510 moves to the right, the actuator 26 moves in the direction of arrow F in the figure.
direction, and the light shielding plate provided at the other end of the actuator 26 rotates. As a result, the detection switch 25a consisting of a photointerrupter is turned on, and it is detected that the banknote 1 is pressed with a pressure equal to or higher than a predetermined constant value.

FIG. 4 is a block diagram of the control section of the banknote stacking device.

The entire control unit is controlled by a CP consisting of a microprocessor.
This is done under program control of U30, and the control program is stored in ROM31 in advance.

The RAM 32 is a memory used as a working area when executing the control program.
: A part of the memory is used as a register for a timer that measures the elapse of a certain period of time at 81 o'clock.

The motor control circuit 34 is a circuit that controls forward rotation, reverse rotation, and stop of the motor 24. Detection switch 25
is when the conveying roller 10 moves to the right from a predetermined position as shown in FIG.
This is a switch that detects a state in which the switch is pressed with a pressure higher than a predetermined pressure. This detection switch is provided for each storage box and consists of a plurality of detection switches including 25a.

As shown in FIG. 1, the paper sensor 7 is a sensor that detects when new banknotes to be stacked are sent in, and this paper sensor is also provided for each storage box.

The clutch control circuit 35 is connected to the motor 2 as shown in FIG.
4 is a control circuit for a plurality of electromagnetic clutches that control whether to connect or disconnect the rotational force of the pulley 12.
It is controlled by CP LJ via 10 ports i to 33.

FIG. 5A, R, and C show the processing procedures of the CPU in Table 170-
It's a giat.

The fifth N is the processing procedure of the second insertion mode in which a new banknote is inserted.

For insertion (31, J+Z motor 24 is OF+N,
The conveyance roller 10 is rotated in the direction of the arrow shown in FIG. 1 (n10→n12). In this state, the clutch 20a is in the ON state, so the pulley 12 does not rotate and the suppression plate 1 is in a stopped state. Thereafter, the paper sensors 7a and 7b detect the entry of new banknotes to be inserted, so the system waits (
n 14. ). When a new banknote is detected, the motor 24 is immediately reversed for a certain period of time (n16→n18).

The upper part of Figure 6 shows the paper sensor 7 in this insertion mode.
(7a, 7b) Timing charts 1 to 1 representing the relationship between the detection switch 25a1, the motor 24, and the electromagnetic clutch 20a
It is. The operating time of the motor in steps n16 and n18 corresponds to Ta in FIG.

After a certain period of time has elapsed, the motor is turned off, and then the state of the detection switch is determined (n22). If the detection switch 25a is in the ON state, this means that the pressing force of the banknote against the conveyance roller 10 is high, and the motor 24 starts to rotate in reverse (
n24). This moves the pressing plate 1 and reduces the pressing force. As a result, after a certain period of time has elapsed, the detection switch 25a is turned off. This time corresponds to Tb in FIG. 6, but varies depending on the volume of banknotes already accumulated (number of banknotes, degree of damage such as wrinkles and buckling of banknotes, etc.).

Even after the detection switch 25a is turned off, the motor continues to rotate in reverse for a certain period of time (n22→n26).

This fixed time corresponds to the time Tc in FIG.

Thereafter, the motor is turned to 0FFL, and the insertion of one bill is completed.

FIG. 5 (F3) shows a processing procedure without sending the stacked banknotes out of the storage box. First, the motor 24 is rotated in the normal direction, and the state is maintained until the detection switch 25a is turned on (
n32). When the detection switch 25 is ONI, the motor is turned off (n34).

At this time, the stacked banknotes are pressed against the feed roller 8 with an appropriate pressing force. In this state, the feed roller 8 is
By rotating in the direction of arrow F shown in the figure, the banknotes at the end of the stacked banknotes are sent out.

In FIG. 5C, a plurality of banknote storage boxes 100 are provided,
A storage box into which new banknotes are inserted (hereinafter referred to as storage box No. 8) and another storage box unrelated to this insertion (hereinafter referred to as storage box B and the storage box A mentioned above) The following is a procedure for processing the press plate when there is a

In this processing procedure, it is checked at regular intervals whether the motor 24 is in reverse rotation, and if the Tanabata 24 is 0 [F], the electromagnetic clutch of storage box B is turned on and this processing is completed. (n40, n43, n47, n
49).

First, it is determined whether or not the motor is being reversed, and if the motor is being reversed, the electromagnetic clutch of the storage box B is reversed F for a certain period of time only when the detection switch 25b of the storage box B is turned off (n40-n46).

The lower part of FIG. 6 is a timing chart showing the relationship between the electromagnetic clutch 20b of the storage box B, the motor 24, and the detection switch 25b when the storage box A is in the insertion mode.
The OFF time of the electromagnetic clutch 20b from steps n40 to 046 corresponds to Td in FIG.

However, if the detection switch 25b of the storage box B is turned on within a certain period of time when the electromagnetic clutch 20b is turned off, the electromagnetic clutch 20b is turned on (phenomenon (2) in FIG. 6).

If the detection switch 25b of the storage box B is in the ON state from the start of the reverse rotation of the motor 24, the electromagnetic clutch 20b is kept ONL until the press plate of the storage box B is moved back and the detection switch 25b is in the OFF state. (Figure 6 phenomenon ■).

Turn on the electromagnetic clutch 20b in the storage box [3] from the OFF state
The ON time when the detection switch 25b is set to the ON state is set to ON for a certain period of time regardless of the state of the detection switch 25b (n46 to rl18
). The ON time of the electromagnetic clutch 20b in this case corresponds to Te in FIG.

In this way, regarding storage box B when banknotes are inserted in the eighth storage position, the suppression plate slightly vibrates back and forth (J), and both the conveyance roller 10 and the banknotes in contact with it are in a state of vibration. However, when a new banknote is next inserted into the storage box B, the suppression plate vibrates back and forth as shown in FIG.
The pressure between the banknote 11 and the banknote 11 in contact with the banknote 11 is maintained at a constant pressure, and a new banknote can be inserted into that part without causing a paper jam.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG.
! FIG. 2 is a plan view of the main parts of the banknote stacking device, FIG. 3 is a plan view of the main parts of other parts of the banknote stacking device, and FIG. 4 is a control section of the banknote stacking device. 5 is a flowchart showing the processing procedure of CPLI in A, [1, C is the control section], and FIG. 6 is a flowchart showing the processing procedure of CPLI in The operating status is shown in the table size timing chart. 1... Pressing plate 2... Belt 3... Coil spring 10... Conveyance [1-ra 11... Banknotes-12, 13... Pulley 20.20a...Electromagnetic clutch 24...Motor 25.25a...Detection switch 100...Storage box 200...Commuting mechanism (A
) (B) JP-A-63-81G2 (7) Fig. 5 (C) cpu huff 0-+beit γ-cho-cho-22 =)

Claims (1)

[Scope of Claims] 1. A device comprising a plurality of storage boxes for paper sheets and holding the paper sheets in each storage box under pressure with a pressing plate, comprising a single driving source and each storage box. The press plate reverse movement mechanism of the above is connected via each clutch which is always ON, and the above drive source is activated for inserting new paper sheets, and for storage boxes unrelated to this insertion. A paper sheet stacking device controlled to turn off these clutches.