JP3277018B2 - Banknote handling equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a bill processing apparatus for sorting bills into denominations and counting them.
The present invention relates to a transport device that transports sheets one by one.

[0002]

2. Description of the Related Art For example, a banknote handling apparatus for sorting and counting banknotes according to denominations, feeds and transports banknotes stacked in a banknote supply unit for feeding banknotes one by one, and places the banknotes on a banknote transport path. After the inspection unit provided determines the denomination, damage, front and back, etc., the sorting unit sorts by denomination, counts each, and stores it in the accumulation unit for each denomination, damage, front and back. ing.

However, bills conveyed separately in the bill supply unit are inclined, the intervals are narrowed, or the bills are transported in a direction orthogonal to the transport direction (left or right). When there is a conveyance failure (such as deviation), the inspection unit often becomes unable to discriminate, misassignment in the distribution unit, accumulation failure in the accumulation unit, and the like. As a result, efficient operation, such as stopping the banknote handling machine, removing the cause of the failure, and performing processing again, has been hindered.

Conventionally, to reduce these problems,
By adjusting the bill supply unit delicately, the inclination and interval were kept to a certain level, but due to the delicate difference in frictional force between bills and the variation in frictional force of the conveyor belt made of rubber, etc. The problem caused by the paper money transport state could not be essentially solved.

Further, in a banknote handling machine used in ATMs and the like, since the deposited banknotes are of a circulation type used for dispensing, by taking out again from the accumulated state, the transport direction accompanying the accumulation can be obtained. It was not possible to eliminate the displacement of the transport position of the bill in the direction orthogonal to the direction.

[0006]

As described above, the inclination of bills separated and conveyed one by one in the bill supply unit is suppressed to a certain level by fine adjustment of the bill supply unit. However, due to subtle differences in the frictional force between bills and variations in the frictional force of the conveyor belt made of rubber, tilting of bills, clogging of bill intervals, or misalignment of bills, etc. Therefore, there is a problem that the performance of the apparatus is reduced.

Therefore, the present invention makes it possible to adjust the inclination, the conveyance interval, or the conveyance position of the conveyed paper sheets.
It is an object of the present invention to provide a transfer device in which the trouble of the device is reduced and the performance of the device is greatly improved.

[0008]

In order to achieve the above object, a bill processing apparatus according to an embodiment of the present invention comprises a supply unit for supplying bills and one bill sequentially supplied to the supply unit. A feeding unit that feeds out to the transport path, an inspection unit that inspects the banknotes fed from the feeding unit, an accumulation unit that sorts and accumulates the banknotes based on an inspection result in the inspection unit, and the feeding unit and the inspection unit. Of the banknotes to be conveyed, the interval between the banknotes, and the method of conveying the banknotes.
Detecting means for detecting a transfer position deviation in the direction orthogonal to the direction ,
Provided between the detection means and the inspection unit, based on the detection result of the detection means, the inclination of the bills,
Correction means for simultaneously correcting the transfer interval of the bill and the transfer position of the bill, and the correction means is provided via a transfer path.
Second in the direction perpendicular to the direction of transport of bills transported
Travel in the transport direction while holding the banknotes
With two positions separated along the transport direction
Two sets of papers having a portion where the pinching force of the bill is stronger than other portions
The belt pair and each belt pair independently.
And two paper motors.
When the banknotes are being held and transported, two pairs of belts
At least one of them is accelerated or decelerated .

[0009]

[0010]

According to the present invention, it is possible to correct the inclination, the transport interval, or the transport position of the banknotes during transportation. Therefore, the inclination, the transport interval, or the transport position of the bills to be transported can be adjusted, so that troubles of the device are reduced, and the performance of the device is greatly improved.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 4 schematically shows a banknote processing apparatus to which the present invention is applied, and is roughly divided into a banknote sorting section 1 located on the upper side in the figure and a banknote sealing section 2 located on the lower side in the figure. Have been.

The banknote sorting section 1 has a supply section 6 on its front side, on which a number of various banknotes P can be stacked. Supply unit 6
The banknotes P stacked on the paper feed mechanism 6a are fed from the lower end side thereof.
The sheet is separated one by one and sequentially fed out, conveyed by the conveying rollers R1 and R2, the conveying device 7, and the conveying rollers R3 and R4, and sent to the inspection unit 8.

The feeding mechanism 6a and the transport rollers R1,
Photo-transistors 3a and 4a, which are non-contact sensors 3 and 4, serving as detecting means for detecting passage of a bill P conveyed on a conveyance path between R2 and R2, and infrared light emitting diodes 3b and 4b serving as light sources include a bill P. Are separated from each other by a predetermined distance in a direction orthogonal to the transport direction. These sensors 3 and 4
As described later, the inclination of the banknote P and the banknote interval are measured based on the respective output signals.

Further, the feeding mechanism 6a and the transport roller R
Line CCDs 5a, 5a at both ends of the transport path between
b is provided. The line CCDs 5a and 5b detect a shift in the transport position of the banknote P in a direction orthogonal to the transport direction.

In the inspection section 8, various kinds of information of the banknote P are optically or magnetically detected by a sensor, and the denomination and authenticity thereof are determined. The banknote P that has passed through the inspection unit 8 is transported by a transport unit 11 including a number of pulleys and a plurality of endless belts 10 wound around the pulleys. When the gates 12, 13, and 13 provided at each branch of the transport path are switched, the gates 12, 13, and 13 are sorted in a predetermined direction. In a plurality of open pockets 14, 15, and 16 provided according to the denomination.

The banknote P of a specially designated denomination is:
By the operation of the gate 12, the paper is sent to the temporary stacking unit 20 of the stacking device 18 in the banknote sealing unit 2 via the transport path 17,
A predetermined number of sheets are stacked with the front and back aligned.

Transport path 1 for transporting banknotes P to stacking device 18
A sensor 22 for determining the front and back of the banknote P is provided in the middle of 7. Banknote P that has passed through sensor 22
Is selectively fed into one of the front conveyance path 31 and the back conveyance path 32 by passing through a gate 23 whose direction is controlled in accordance with a signal from the sensor 22. Each exit part 31 of the front conveyance path 31 and the back conveyance path 32
a and 32a are opposed to each other with the temporary stacking unit 20 interposed therebetween, and are stacked with the front and back sides aligned on one side.

In the vicinity of the outlets 31a and 32a, there is provided a dividing means having separators 33 and 34, and a pedestal 37 is provided so as to be able to move up and down. Cradle 37
Of a backup mechanism for driving the motor up and down
Moves the height of the receiving table 37 in accordance with the number of stacked banknotes P.

In each of the transport paths 31 and 32, sensors 47 and 48 for detecting the leading end of the bill P are provided. The sensors 47 and 48 are used as counting means for counting the number of banknotes P sent to the temporary stacking unit 20.

Below the temporary stacking section 20, there is provided a carrier 60 capable of receiving a predetermined number of banknotes P stacked on the receiving table 37. The carrier 60 can be reciprocated between the temporary accumulating section 20 and the sealing section 61 by driving means (not shown). In the sealing section 61, a predetermined number of banknotes P are bound by a binding band 65.

Below the banding portion 61, a conveyor 66 for receiving the bundled banknotes P 'and a storage portion 6 for storing the banknotes P' conveyed by the conveyor 66.
7 are provided.

In the above-mentioned bill processing apparatus, processing is performed at a very high speed (about 10 sheets per second), and the speed of the bills to be conveyed is as high as about 1600 mm / s. Banknotes with a short length of 76 mm are conveyed with a conveyance interval of about 84 mm, and the banknotes conveyed are allowed to have an inclination angle of up to 5 degrees.

In such a bill handling apparatus, bills separated and conveyed are inclined (skew), bill intervals are narrowed (short pitch), and bills are conveyed in a direction deviated in a direction perpendicular to the conveying direction and shifted. In the case of a transport failure such as (transport position deviation), there arises a problem that the inspection unit 8 cannot judge that the inspection pattern matching cannot be performed, and that the operation time of the gate 12 provided at each branch of the transport path cannot be made in time. I was

Further skew and transfer position deviation are as follows.
Due to the limited width of the transport path, banknotes often collide with the wall of the transport path, and when the transport position is shifted from the width of the stacking port during stacking, a stacking failure often occurs.

Further, when the tilting direction is large, there is a problem in that the transport width of the transport device is limited, and the transport cannot be performed. However, it is very difficult to accurately separate and transport banknotes one by one, and the mechanism that separates banknotes by frictional force is particularly difficult when new and old banknotes are mixed together. Accurate separation and transportation could not be performed due to the difference in coefficients. This results in skew,
Short pitches, transfer position shifts, etc., often occur, causing failures.

Further, in recent years, in automatic transaction machines (ATMs) and the like, a circulation type banknote processing apparatus for using banknotes deposited by a customer for dispensing the next customer is required. In many cases, a trouble occurs due to a problem of a transfer position shift.

Therefore, the transport device 7 according to the present invention solves these problems by using the following means. 2 and 3 show the transporting device 7 according to the present invention in detail. In the figure, endless driven belts 1a and 1b as belt-shaped conveying means are
Rollers 8 arranged side by side at predetermined intervals and rotatable
a, 8b and 11a, 11b.
Endless drive belts 2a and 2b as the other belt-shaped transport means are arranged side by side in contact with driven belts 1a and 1b, respectively, and are rotatable rollers 10a and 10b, respectively.
And the drive rollers 6a and 6b. As a result, the bill P has both ends of the drive belt 2a, 2
b and the driven belts 1a and 1b are conveyed in the direction of the arrow shown in the figure. The rotatable rollers 9a and 9b are provided with belts 2a, 2b, 1a and 1b.
It is intended to support the middle part of.

The drive rollers 6a and 6b are driven at arbitrary speeds in arbitrary directions by step motors 7a and 7b and a control unit to be described later, and can change the speed over time. .

The drive belts 2a and 2b are
a and 6b, the driven belts 1a and 1b are moved by the friction by the friction between the driven belts 1a and 1b, respectively.
It operates following b.

A predetermined position with respect to the conveying device 7 configured as described above, for example, the conveying roller R which is a stage preceding the starting end.
Sensors 3 and 4 are arranged on the conveyance path in front of R1 and R2,
Lines C at both ends of the conveyance path in the preceding stage of the conveyance rollers R1 and R2.
CDs 5a and 5b are provided.

FIG. 1 schematically shows an electric circuit of the transport device 7 configured as described above. That is, the output signals of the sensors 3 and 4 are sent to the control unit 41, respectively. The control unit 41 measures the inclination of the banknote P based on the output signals of the sensors 3 and 4 based on the timing difference at which the sensors 3 and 4 are interrupted by the passage of the banknote P, as described in detail later. Based on the results, the driving circuits 42 and 43
The drive of each of the step motors 7a and 7b is controlled via the.

In detecting the bill interval, the controller 41 measures the bill interval from the time difference between when the sensor 3 or the sensor 4 is blocked by the previous bill and when it is blocked by the next bill.

The detection of the banknote transport position is performed by detecting the position where the line CCDs 5a and 5b disposed at both ends of the transport path are blocked by the banknote P. Next, the skew correction operation in the transport device 7 will be described with reference to the flowchart shown in FIG. Now, the banknote P fed from the supply unit 6 at a speed of 1600 mm / s by the feeding mechanism 6a is conveyed at the same speed by the conveyance rollers R1 and R2 while blocking the sensors 3 and 4. At this time, it is assumed that the banknote P is skewed at an angle as shown in FIG. Note that 160
The speed of 0 mm / s is the steady transport speed of the banknote handling machine.

The bill P is fed by the feeding mechanism 6a,
, The banknote P blocks the sensor 4. When the sheet is further conveyed at a constant speed, it reaches the position shown in FIG. Control unit 41 that has received each output signal of sensors 3 and 4
6 to 7 based on the output signals of the sensors 3 and 4
Is measured, and the skew amount and the skew direction of the banknote P are calculated from the distance between the optical axes of the sensors 3 and 4. Here, when the direction of the skew is represented by a sign, for example, the CCW direction (counterclockwise) is defined as a positive skew,
The CW direction (clockwise) is a negative skew. Therefore, the skew in FIGS. 6 and 7 is a positive amount.

Subsequently, the banknotes P are fed to the preceding transport rollers R1, R
Belts 1a, 1b, 2 driven at a constant speed at the same speed as
a and 2b to be transported by the transport rollers R1 and R2
, And are conveyed only by the belts 1a, 1b, 2a, 2b. In this case, of course, each belt 1a,
Step motors 7a, 7b for driving 1b, 2a, 2b
Have the same rotation speed.

At this stage, the control unit 41 sets the transport speed of the belts 1a and 2a for nipping and transporting the banknote P on the left side in the transport direction in which the banknote P is delayed, based on the measurement results based on the output signals of the sensors 3 and 4. 1600 mm / s), and the transport speed of the belts 1b and 2b that sandwich and transport the right side with respect to the transport direction in which the bill P is advanced is reduced. Therefore, the control unit 41 controls the stepping motor 7 that drives the belts 1b and 2b.
Decrease the speed of b.

As a result, the conveying speed of the left belt 1a,
The banknote P is rotated by the amount by which the right belts 1b and 2b are slower than the banknote 2a, and the skew of the banknote P is corrected. The inclination to be corrected is determined from the area of the hatched portion of the step motor 7b shown in FIG.

That is, it is determined how much the drive roller 6b on the right side in the transport direction should be moved with respect to the drive roller 6a on the left side in the transport direction moving at a constant speed within a certain time. For example, if the skew angle is 10 ° and the optical axis interval between the sensors 3 and 4 is 80 mm, the CW direction needs to be corrected, and the right drive roller 6 must be corrected within a unit time.
It is necessary to move b by “80 × tan (10 °) = 14.1 mm” less.

These calculations are performed by the control unit 41.
As a result, the rotation speed of the step motor 7b for driving the belts 1b and 2b on the traveling side is reduced. For example,
By controlling the speed of the right drive roller 6b so that the right belt (1b, 2b) advances by 36 mm while the left belt (1a, 2a) advances by 50 mm, the inclination of the banknote P is corrected, and It will be transported without any.

After the control is completed, the left and right belts (1)
a, 1b, 2a, 2b) to the normal transport speed (16
By driving back to 00 mm / s), the left and right sides have the normal transport speed, and the banknote P can be delivered to the transport rollers R3 and R4 transported at the subsequent speed of 1600 mm / s.

The inclination can be corrected by a method of accelerating the speed of one driving roller or a method of decreasing the speed of one driving roller, in addition to the method of reducing the speed of one driving roller as described above. The same effect can be obtained by increasing the speed of the driving roller.

In an actual banknote handling machine, the interval between banknotes conveyed for a length of 76 mm of banknote P is usually 8 mm.
It is about 0 mm. In the transfer device 7, the skew is controlled during the transfer length of about 50 mm, so that the processing time is sufficient.

Next, the operation of correcting the short pitch in the transfer device 7 will be described with reference to the flowchart shown in FIG. First, when the transport interval between the first and second bills P is abnormally narrow, for example, a processing method of 40 mm or less will be described.

In FIG. 10A, the processing of the bill P is started. The lowermost banknote P1 of the banknotes P,... Set in the supply unit 6 is supplied from the supply unit 5 by the feeding mechanism 6a.
It is fed at a speed of 00 mm / s, and the phototransistors 3a, 4a of the sensors 3, 4 and the infrared light emitting diodes 3b,
4b, the infrared light emitting diodes 3b, 4b
And is conveyed at the same speed by the conveyance rollers R1 and R2. In addition, the speed of 1600 mm / s is a steady conveyance speed of the banknote handling machine.

In FIG. 10B, the banknote P1 is nipped and conveyed by belts 1a, 1b, 2a, 2b driven at a constant speed at the same speed as the preceding conveying rollers R1, R2. Sensors 3, 4 followed by transport roller R
1, R2, and is nipped and conveyed only by the belts 1a, 1b, 2a, 2b. Subsequently, the next banknote P2 is fed by the feeding mechanism 6, and is conveyed by the conveyance rollers R1 and R2 while blocking the sensors 3 and 4. Banknote P2 from the rear end of banknote P1
The control section 41 determines the initial transport interval x0 (1) from the time difference between the front ends of the two, that is, the transport interval blocking the sensors 3 and 4.

In FIG. 10 (c), the control unit 41 controls the stepping motor 7a, which drives the transfer device 7 from the value of the initial transfer interval x0 (1) in order to set a necessary transfer interval (widen the narrow interval). The speed curve of 7b is calculated, and the step motors 7a and 7b are accelerated from the steady speed, driven by a predetermined pulse, and then decelerated to return to the steady speed.

The speed control can be performed by performing the above-described processing while the banknotes are clamped only by the belts 1a, 1b, 2a and 2b of the transport device 7 of the present embodiment. Further, the case where the banknote P enters the transfer device 7 and the case where the banknote P
Is discharged at a normal conveying speed, thereby preventing a problem due to a speed difference.

In FIG. 10D, as a result of the above processing,
The transport interval between the first bill P1 and the second bill P2 is
x1 (1). In this case, the change amount Δx (x1
(1) -x0 (1)) is determined from the time during which the step motors 7a and 7b are accelerated and decelerated.

For example, when the initial conveyance interval x0 (1) between the first bill P1 and the second bill P2 is 30 mm,
A bill P conveyed at a steady speed of 1600 mm / s
When transported at 0 mm / s for only 0.1 second, the transport distance, which is larger than that transported at a steady speed, is Δx =
(1800-1600) × 0.1 = 20 mm. That is, the transport interval between the first banknote P1 and the second banknote P2 that has been accelerated and transported is increased by 20 mm.

As a result, the initial transport interval x0 (1) = 30 mm between the banknotes P1 and P2 is equal to the transport interval x1 (1) after the above correction.
= 50 mm. The transport interval becomes 50 mm, and the processing performed by the inspection unit 8 and the like at the subsequent stage can reduce problems due to the transport interval.

Since it is impossible to change the speed of the step motors 7a and 7b rapidly, the control section 41 needs to calculate not the simple step speed change but the transport distance including the through-up and the through-down. There is.

For example, when the speed of the step motor is changed as shown in FIG.
This is the area of the hatched portion in FIG. Therefore, the change amount Δx (m
m) becomes Δx = ((t4−t1) + (t3−t2)) × Δx / 2. The transport interval can be widened (increased) by this distance.

The above is the first bill P1 and the second bill P
The case where the transport interval of No. 2 is narrow has been described. The case where the interval between the nth and (n + 1) th banknotes is narrow will be described with reference to FIG.

After the processing is started in FIGS. 12A, 12B and 12C, the banknotes P,... Which have been sequentially accelerated from the first banknote P1 and passed through the transport device 7 are always at their original positions (steady speeds). (Position when transported at 1600 mm / s).

That is, the control unit 41 sets the first bill P
The first and second banknotes P2 having the initial transport interval x0 (1) are converted into x1 (1) by accelerating the banknote P1 by the transport device 7, and the subsequent banknote P2 is also accelerated. At the time of discharge, the transport interval between the banknotes P1 and P2 is x2 (1), which is approximately the same as the initial transport interval x0 (1). By performing such processing continuously, there is a large gap between the bill P discharged from the transport device 7 and the bill P entering the transport device 7.

In FIG. 12D, the control unit 41 sets n
When the next banknote Pn + 1 blocks the sensors 3 and 4 at the stage when the second banknote Pn enters the transport device 7, the initial transport interval x
Calculate 0 (n).

In FIG. 12 (e), the control unit 41 determines that the bill Pn has a transport interval x2 (n
As long as -1) does not fall below 40 mm, the transport interval x1
The control amount Δx is calculated so that (n) becomes 40 mm or more, and the speeds of the step motors 7a and 7b are accelerated. As a result of this processing, the transport interval x2 with the preceding transport banknote Pn-1
Although (n-1) becomes small, the transport interval with the subsequent banknote Pn + 1 is widened.

Such processing is sequentially performed to advance the transport position of the banknotes P,... Passing through the transport device 7 as compared with the case where the banknotes P are transported at a normal transport speed. When the bills P with a short initial conveyance interval are detected by the sensors 3 and 4,
Even if the transporting device 7 accelerates and secures a transporting interval of 40 mm or more, control can be performed so that the transporting interval with the preceding transported banknote P does not become a problematic level.

Finally, the operation of correcting the transfer position in the transfer device 7 will be described with reference to the flowchart shown in FIG. In FIG. 14A, the transport position of the banknote P1 is detected from the position where the line CCDs 5a and 5b disposed in the preceding stage of the transport device 7 are blocked by the transported banknote P1.

As shown in FIG. 14A, the banknote P1 is conveyed with its position shifted to the right in the direction perpendicular to the direction of conveyance (offset to the right), and this conveyance position shift is corrected to the left. Will be described.

The bill P1 is transported to the transport device 7 by the transport rollers R1 and R2 at a speed of V = VC = 1600 mm / s. In FIG. 14B, the transported banknote P1
When the control unit 41 enters the transport device 7, the control unit 41 accelerates the transport speed of the banknotes by the left belt 1a (and the sandwiching 2a) to a speed required to correct the positional deviation, and V =
VC + ΔV. Therefore, the controller 41 controls the belt 1a
(And the pinching 2a) are accelerated. At this time, the right belt 1b (and the nipping belt 2b) has the normal transport speed VC.

The pinching force of the bills is determined by the positions r _1a , r _1b where the rollers 11a, 11b and the belts 2a, 2b are in contact with each other, and the rollers 8a, 8b and the belts 2a, 2b.
The positions r _2a and r _2b where 2b is in contact are the strongest, and the other positions are weak. As a result, when there is a difference in the conveying speed between the left belt 1a and the right belt 1b, the rotation center is the part with the strongest clamping force and the one with the lower speed. Therefore, banknote P1
_Rotates about r _1b on the side of the belt 1b which is the side where the conveying speed is slow.

As shown in FIG. 14C, the belt 1a
The bill P1 transported due to the difference in the transport speed of the banknote (and the pinching 2a) and the belt 1b (and the pinching 2b) has a shape in which the left side is advanced in the transport direction. After that, the control unit 41
When the banknotes are conveyed at a normal conveyance speed VC and conveyed by a predetermined amount as shown in FIG. 14D, the conveyance speed of the banknotes by the left belt 1a (and the sandwiching 2a) is set to the normal speed. The speed at which the bill is conveyed by the right belt 1b (and the sandwiched 2b) is increased to V = VC + ΔV.

[0064] banknote P1 at this time rotates the strongest position r _1a of gripping force of the slow left belt 1a as the center. After a lapse of a predetermined time in (e) of FIG. 14, the control unit 41 sets the transport speed of the bills by the belts 1a (and 2a to be sandwiched) and 1b (and 2b to be sandwiched) to the normal transport speed V.
The banknote P1 is driven back to C, and the banknote P1 can be delivered to the transport rollers R3 and R4 that are transported at the subsequent normal transport speed VC.

In this way, the transport position of the banknote P1 is shifted from the position shifted to the right side as shown in FIG. 14A to the center position of the transport path as shown in FIG. Will be modified.

In FIG. 14 (f), bills are conveyed continuously, and the displacement of the transport position can be corrected for the next bill P2 in the same procedure. As described above, according to the above-described embodiment, it is possible to correct the inclination, the transport interval, and the transport position of the banknote being transported.

It is to be noted that the inclination of the bill to be conveyed, the conveyance interval,
The permissible values for the transfer position and the like differ depending on the machine used.For example, set a small value for a device that requires extremely accurate transfer conditions, and increase the set value for a relatively loose device. May be. In this case, since each of the conveyed banknotes may not be all normal in inclination, interval, and transport position, by performing the above-described control on the inclination, interval, and transport position for each of the overlapping, in any posture It is possible to correct the transported banknote to a normal transport attitude.

However, there is a limit in the controllable range.
It is impossible to make corrections beyond that limit. Therefore, the control unit 41 can perform the maximum correction within the possible range or can carry the paper at a normal carrying speed without any correction.

Further, if there is a transport path capable of controlling the left and right speed independently of the normal transport path and means for detecting the inclination, interval, and transport position of the bill, the transport attitude can be corrected. A roller may be used, and a speed controllable motor such as a servo motor may be used instead of the step motor.

[0070]

In the above embodiment, the case where the present invention is applied to a banknote processing apparatus has been described. However, the present invention is not limited to this case.
M) and the like, and can be similarly applied to a transport device in a bill processing unit or the like.

[0072]

As described above in detail, according to the transporting apparatus of the present invention, the inclination, the transport interval, or the transport position of the transported paper sheets can be adjusted, so that troubles of the apparatus are reduced, and And a transfer device whose performance is greatly improved.

[Brief description of the drawings]

FIG. 1 is a block diagram schematically showing an electric circuit of a transport device according to one embodiment of the present invention.

FIG. 2 is a perspective view illustrating a configuration of a transport device.

FIG. 3 is a plan view illustrating a configuration of a transport device.

FIG. 4 is a configuration diagram schematically showing a bill processing device.

FIG. 5 is a flowchart illustrating a skew correction operation performed by the transport device.

FIG. 6 is a diagram showing detection of the inclination of a bill.

FIG. 7 is a diagram showing the detection of the inclination of a bill.

FIG. 8 is a speed diagram of a step motor.

FIG. 9 is a flowchart for explaining an operation of correcting a short pitch by the transport device.

FIG. 10 is a diagram showing a method of processing a transport interval of bills to be transported.

FIG. 11 is a diagram showing a change in speed of a step motor.

FIG. 12 is a diagram illustrating a method of controlling a transport interval of bills to be transported.

FIG. 13 is a flowchart for explaining the operation of correcting the transfer position by the transfer device.

FIG. 14 is a diagram showing a method for controlling a transport position of a bill to be transported.

[Explanation of symbols]

P, P1, P2: banknotes (sheets) 1a, 1b: driven belts (transporting means) 2a, 2b: drive belts (transporting means) 3, 4, sensors (detecting means) 5a, 5b: line CCD (detecting means) ) 6a, 6b... Drive roller 7... Transport device 7a, 7b... Step motors 8a, 8b, 9a. 9b, 10a, 10b, 11a, 1
1b Roller 41 Controller 42, 43 Drive circuit

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65H 7/00 B65H 9/00

Claims (1)

(57) [Claims] A supply unit for supplying bills; a payout unit for sequentially feeding the bills supplied to the supply unit one by one to a transport path; an inspection unit for inspecting the bills fed from the payout unit; An accumulating unit that sorts and accumulates banknotes based on the inspection result in the inspection unit, and is provided on a transport path between the feeding unit and the inspection unit, and the inclination of the transported banknotes, a transport interval between the banknotes, and a banknote. of
Detecting means for detecting a displacement of the transport position in the direction perpendicular to the transport direction , provided between the detecting means and the inspection unit, based on the detection result of the detecting means, the inclination of the bills,
Correction means for simultaneously correcting the transport interval of the bills and the deviation of the transport position of the bills , wherein the correction means transports the bills transported via the transport path.
A state in which bills are held at two positions separated in the direction perpendicular to the direction
Travel in the transport direction and transport each
Holds bills from other parts at two positions separated in the direction
Two pairs of belts with strong parts and each belt
It has two motors that make each pair run independently,
The banknotes are held and transported by the two belt pairs.
At least one of the two belt pairs
A bill processing device characterized by accelerating and decelerating .