KR20090095307A - Bill dispenser and method for controling bill dispenser - Google Patents

Abstract

A bill dispenser and method for controlling a bill dispenser are provided to remove an inconvenience of accommodating a bill by mounting a individual cassette which is designed for receiving the bill. In a bill dispenser and method for controlling a bill dispenser, a receiving portion(30) receives a plurality of bill. The receiving portion is installed at a main body(20) so that it is detachable. A load tray(40) is installed on the main body and loads the paper currency. A receiving portion comprises a cash box, a supporting member, pressing plate, and an elastic spring. The cash box has an internal space for the bill receiving, and the side combining with the main body is opened. The supporting member is installed in an opened side of the cash box, and paper currency is supported.

Description

Bill dispenser and bill ejector control method {BILL DISPENSER AND METHOD FOR CONTROLING BILL DISPENSER}

The present invention relates to an apparatus for counting and discharging bills. More particularly, the present invention relates to a banknote ejector that is easy to use and manage.

Generally, unmanned payers that automatically pay bills unattended are installed and used in banks. The unmanned dispenser is provided with a banknote ejector for counting and discharging a banknote of the amount desired by the user.

The banknote ejector continuously ejects the bills one by one as many as desired, containing a plurality of bills.

By the way, the conventional banknote ejector has a very inconvenient structure for the operator from the banknote loading process to after-care, such as to disassemble the entire device to repair the failure of the internal sensor.

This provides a banknote ejector designed to improve the operating environment and to facilitate management.

To this end, the apparatus includes a storage unit for storing a plurality of bills, a main body for detachably installing the banknotes, and a stacking tray for stacking the banknotes installed and discharged in the main body. can do.

The apparatus may further include a display unit installed at one side of the main body to display information generated when the banknote is discharged.

The accommodating part may include a cash box in which bills are stored, a pressure plate movably installed in the cash box and closely attached to the bill, and an elastic member installed between the pressure plate and the bottom of the cash box.

The apparatus may further include a fastening part for fastening the accommodating part and the main body.

The fastening part is formed on the side of the main body and the projection is installed on the outer side of the one end of the cache box, the guide slit to the projection, the locking pin is installed on the outer end of the other side of the cash box, and the elastically installed on the main body It may include a clamp for hanging.

The main body includes a base plate on which the cash box is placed, a withdrawal roller protruding onto the base plate and closely attached to the bills loaded on the cash box, a drive motor installed in the main body to drive the withdrawal roller, and movement of the bills. A guide member installed on a path to change a bill direction and guiding to the stacking tray, a plurality of feed rollers installed on a bill path to send bills, and a gear group for power transmission of the driving motor. can do.

Here, the guide member may be curved in a semi-circular shape to have a structure for turning the bill 180 degrees.

In addition, the device may have a structure in which the base plate is pivotally coupled to the main body. When necessary, the base plate can be rotated to selectively open the inside of the main body.

In addition, the guide member may have a structure that is slid out from the body. The guide member is pulled outward from the body to open the inside of the body to perform the necessary work.

On the other hand, the control method for discharging bills by controlling the banknote ejector includes the steps of withdrawing bills by forward rotation of the drive motor, detecting abnormalities of the bills to be withdrawn, the step of rotating the drive motor when the abnormality is detected can do.

In addition, the control method may include detecting a light receiving amount of the light receiving sensor installed in the apparatus, and adjusting the level of the light emission value of the light emitting sensor when the light receiving amount is less than or equal to the set value.

As described above, according to the present apparatus, bills can be separately stored and mounted in a cassette to be used, thereby reducing inconvenience caused by bills.

In addition, the inside of the device can be more easily opened to more easily perform management tasks such as cleaning or repairing the sensor.

In addition, the cleaning time of the sensor can be delayed, thereby reducing the time and effort required for cleaning the sensor.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

It is noted that the figures are schematic and not drawn to scale. The relative dimensions and ratios of the parts in the figures have been exaggerated or reduced in size for clarity and convenience in the figures and any dimensions are merely exemplary and not limiting. And the same structure, element or part that appears in more than one figure the same reference numerals are used in different embodiments to indicate corresponding or similar features.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms “a,” “an,” and “the” include plural forms as well, unless the phrases clearly indicate the opposite. As used herein, the meaning of "comprising" embodies a particular characteristic, region, integer, step, operation, element and / or component, and other specific characteristics, region, integer, step, operation, element, component and / or component. It does not exclude the presence or addition of groups.

Terms indicating relative space such as "below" and "above" may be used to more easily explain the relationship of one part to another part shown in the drawings. These terms are intended to include other meanings or operations of the device in use with the meanings intended in the figures. For example, turning the device in the figure upside down, some parts described as being "below" of the other parts are described as being "above" the other parts. Thus, the exemplary term "below" encompasses both up and down directions. The device may be rotated 90 degrees or at other angles, the terms representing relative space being interpreted accordingly.

Unless defined otherwise, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. Commonly defined terms used are additionally interpreted to have a meaning consistent with the related technical literature and the presently disclosed contents, and are not interpreted in an ideal or very formal sense unless defined.

Embodiments of the invention described with reference to a perspective view specifically illustrate an ideal embodiment of the invention. As a result, various modifications of the drawings, for example, manufacturing methods and / or specifications, are expected. Thus, the embodiment is not limited to the specific form of the illustrated region, but includes, for example, modification of the form by manufacture. For example, regions shown or described as being flat may have properties that are generally rough and / or rough and non-linear. Also, portions shown to have sharp angles may be rounded. Accordingly, the regions shown in the figures are only approximate in nature, and their forms are not intended to depict the exact form of the regions and are not intended to narrow the scope of the invention.

1 is a perspective view showing a banknote ejector according to the present embodiment.

According to the above drawings, the banknote ejector 10 has an outer shape and is provided with a main body 20 through which the bill is withdrawn, and a banknote accommodating part detachably installed at the upper end of the main body 20 and accommodating a plurality of banknotes ( 30), a stacking tray 40 on which the banknotes discharged and connected to the banknote outlet 21 formed on the front surface of the main body 20 are stacked.

In the present embodiment, the main body 20 has a rectangular shape, but is not particularly limited in this form. The upper end of the front of the main body 20, the receiving unit 30 is fastened, the front center portion is provided with a display unit 50 to display the information generated when the banknote discharged. In addition, a bill discharge port 21 through which bills drawn from the storage unit 30 are discharged is formed on the front surface of the main body 20 under the display unit. The bill discharge port 21 has a bill tray 40 installed inside to load the bill is discharged.

The display unit 50 is composed of an operation panel 51 installed on the front of the main body 20, the operation panel 51 has a display 52 for displaying the number of banknote discharge and a plurality of operations for controlling the device A button 53 is provided.

In the following description, the upper or upper surface of the main body 20 is defined as a surface facing the z-axis direction in FIG. 1, and the opposite surface is referred to as a lower or lower surface. In addition, the front surface of the main body 20 is defined as a surface facing in the x-axis direction in FIG. 1 and the opposite surface is referred to as a rear surface. In addition, the side surface of the main body 20 is defined as a surface facing the y-axis direction and the opposite direction in FIG.

In the banknote ejector 10 described above, the storage unit 30 will be described as follows.

2 is a perspective view illustrating a separated state of the accommodating part 30 of the banknote ejector 10 according to the exemplary embodiment of the present invention, and FIG. 3 is a perspective view illustrating the accommodating part 30.

The accommodating part 30 has a rectangular cash box 31 having an internal space for accommodating the bill P, and a pressing plate 32 which is installed to be movable in the cash box 31 to be in close contact with the bill. The elastic spring 33 is installed between the pressing plate 32 and the bottom surface of the cash box 31 to apply an elastic force to the pressing plate 32.

As shown in FIG. 3, the cash box 31 has a structure in which a lower surface entering the upper end of the main body 20 and a rear surface in the withdrawal direction of the banknote P are open, and both sides of the cash box 31 are opened inward. A predetermined length is bent at a right angle to form a support member 34 that supports both sides of the bill P. In this case, the bills stored in the cash box 31 can be prevented from escaping through the lower surface of the side end is caught by the support member 34. In addition, the pressure plate 32 has guide protrusions 35 protruding from both side ends thereof, and guide holes 36 are vertically formed at both sides of the cash box 31 to guide the guide protrusions 35. .

The size of the pressure plate 32 is not particularly limited as long as the size can correspond to the width of the banknote and can sufficiently press the banknote and can be caught by the support member 34 in a state in which the banknote is not stored.

When a plurality of bills (P) is sandwiched between the pressing plate 32 and the support member 34 in the cash box 31, the elastic spring 33 installed between the pressing plate 32 and the cash box 31 is compressed. The pressure is applied to the pressure plate 32. Therefore, the pressure plate 32 will be able to elastically press the banknote to be loaded in the cash box (31). And each time a bill is drawn out one by one, the thickness of the loaded bill becomes thin, but the pressure plate 32 is constantly pressed by the elastic force of the elastic spring 33, and the cash box until the last bill ( 31) it is properly loaded in the state.

In this way, since the device stores the bill in the cash box 31 provided separately from the main body 20 to be detached to the main body 20, compared to the structure of directly loading the bill in the conventional body bill storage for the main body 20 It is possible to increase the simplicity of the.

Here, in order to couple or separate the cash box 31, which is the housing 30, to the main body 20, as shown in Figure 2, the cash box 31 is protruding at each corner of the lower side of both sides 37 and the engaging pin 38 is formed to protrude, the side plate member 22 coupled to both sides of the main body 20 is formed with a guide slit 23 is guided by the projection 37. In addition, one side of the main body 20 has a structure in which the clamp 24 for fastening the locking pin 38 is fixed.

4 illustrates the structure of the clamp 24 well. The clamp 24 is covered by the side plate member 22 coupled to the outer surface of the main body 20 is covered. The clamp 24 is axially coupled to the side of the main body 20 via a hinge axis, the outer end of the center around the hinge axis is exposed outside the side plate member 22 to form a pressing portion 25, the inner end is an elastic spring ( 26) is installed and elastically supported. In addition, the pressing part 25 is spaced inwardly by a predetermined distance so that the hook 27 for hooking the locking pin 38 is protruded. Therefore, when the cache box 31 is pushed to the upper end of the main body 20, the projection 37 is moved along the guide slit 23 and the locking pin 38 is hooked to the hook while passing through the hook 27 of the clamp and fixed Will be. On the contrary, in the case of removing the cash box 31 from the main body 20, by pressing the pressing portion 25 formed at the tip of the clamp 24 to release the fixing state of the hook 27 to the locking pin 38, the cash box ( 31) can be moved back and removed.

In addition, the main body 20 is provided with a bill detection sensor 28 so as to detect the remaining amount or the presence of bills loaded on the accommodating portion 30. That is, as shown in FIG. 2, the banknote detection sensor 28 is installed at a position corresponding to the guide protrusion 35 on the upper inner surface of the main body 20. Accordingly, as the banknote is withdrawn, the guide protrusion 35 is detected by the banknote detecting sensor 28 to detect whether the banknote loaded in the cash box 31 remains. In addition to the banknote detection sensor 28, a count sensor (see 70 in FIG. 5) for detecting the number of banknotes and an out sensor 29 for detecting the discharged banknotes are installed inside the main body 20. I'll explain it later.

On the other hand, the internal structure of the main body 20 for withdrawing and discharging the banknote from the housing 30 is as follows.

4, 5 and 6 illustrate the internal structure of the main body well.

As shown in the figure, the main body 20 is installed at the upper end and the base plate 60, the cache box 31 is placed, and installed below the base plate 60 and onto the base plate 60 Withdrawal roller 61 which protrudes and closely adheres to the banknotes loaded in the cash box 31, the guide member 62 is located at the end of the base plate 60 to switch the movement direction of the banknotes to guide the stacking tray 40 , A plurality of support rollers 64 positioned at an end of the base plate 60 to contact the delivery roller 63 and the delivery roller 63 for advancing the banknote to the guide member 62, and the banknote movement path 66 The discharge roller 65 for discharging the banknote past the guide member 62 to the stacking tray 40, the drive motor 67 for driving the rollers, and the accommodating portion 30. Sensors 70 and 2 for detecting the presence or absence of stacked banknotes, the number of banknotes, and the discharged banknotes It includes references 28 and 29).

As mentioned above, the display unit 50 is provided on the front surface of the main body 20. In addition, a circuit portion 80 for controlling the operation of the apparatus is provided at an inner lower end of the main body 20 so that the drive motor 67, the respective sensors, the display 52 of the display unit 50, and an operation button ( 53) is electrically connected.

As shown in FIG. 6, the banknote P is drawn out from the cash box 31 to the rear of the main body 20, and then 180 degrees of direction is changed along the guide member 62 toward the front of the main body 20. It is transported and discharged to the loading tray 40.

According to the present embodiment, the base plate 60 installed on the top of the main body 20 has a structure in which the inner end is axially coupled to both sides of the main body 20 so as to be rotatable. 4 illustrates a state in which the base plate 60 is rotated and opened.

As the base plate 60 is rotated and opened as described above, the components inside the main body 20 that are covered by the base plate 60 may be exposed. Therefore, the worker can easily perform cleaning or management work on components such as rollers or sensors inside the main body 20 which are exposed to the outside after simply lifting and lifting only the base plate 60.

The take-out roller 61 is provided with a pair so as to be rotatably installed in the main body 20, and a part thereof protrudes upward through the base 68 through a hole 68 formed in the base plate 60. To the outer circumferential surface of the take-out roller 61 is attached a friction pad 72 made of a toothed rubber material so as to increase the friction force with the bill.

In addition, the delivery roller 63 is located in the rear end of the base plate 60 and made of a diameter corresponding to the radius of curvature of the inner surface of the guide member 62 is installed close to the inner peripheral surface of the guide member 62. On the outer circumferential surface side of the delivery roller 63, a friction pad 72 made of a toothed rubber material is attached to the side of the delivery roller 63 so as to increase the friction with the bill.

In addition, a plurality of support rollers 64 are provided on the top of the delivery roller 63 at intervals along the outer circumferential surface of the delivery roller 63 to be engaged with the delivery roller 63. Accordingly, the delivery roller 63 and the support roller 64 are moved along the curved surfaces of the guide member 62 when the horizontally advanced banknote enters therebetween. Many modifications can be made to the number and structure of the support rollers 64, and the structure is not particularly limited as long as it can transport bills.

The discharge roller 65 is disposed at the end of the banknote movement path 66, and has a structure in which a pair is engaged with each other. Banknotes moved therethrough enter between the interlocking discharge rollers 65 and finally discharged to the stacking tray 40. Here, the support roller 64 and the discharge roller 65 is provided with a ring of rubber material on the surface to increase the friction with the bill.

The drive motor 67 is installed in the inner lower portion of the main body 20. In addition, the driving motor 67 transmits power to each roller through a belt or a gear. For example, in this embodiment, as shown in Figure 4, the gear 69 is provided on the front end of the rotating shaft of each of the rollers on the side of the main body 20 covered by the side plate member 22 is structured to be engaged with each other It is. Each of the gears 69 are configured with a suitable gear ratio and are meshed with each other to obtain a desired rotational motion required for bill advancement.

As shown in FIG. 6, the guide member 62 has a structure in which an inner circumferential surface is curved in a semicircle shape so as to wrap the delivery roller 63 so as to turn banknotes 180 degrees. Further, a sliding member 73 coupled to the guide member 62 and sliding toward the guide member 62 and drawn out of the main body 20 is further provided under the guide member 62.

The sliding member 73 has guide grooves 74 formed on both sides thereof to have a structure that is slidable in the horizontal direction with respect to the guide member 62, and the inner surface is curved in the same manner as the guide member 62. It forms part of the guide member 62.

As shown in FIG. 7, when the sliding member 73 is pulled out from the rear of the main body 20, the rear side of the main body 20 is opened while the sliding member 73 is moved with respect to the guide member 62. do.

Accordingly, when an abnormality such as a banknote is caught in the course of transferring the banknote along the guide member 62, the abnormality caused by opening the rear of the main body 20 by moving the sliding member 73 as described above can be easily taken. It becomes possible.

The loading tray 40 is a housing structure in which the discharged banknotes are loaded. In this embodiment, about half of the banknote is installed in the longitudinal direction of the main body 20 so that only a predetermined length protrudes outside the main body 20. It is structured. Accordingly, the size of the entire device including the loading tray 40 can be further compacted.

On the other hand, the main body 20 detects the presence or absence of the bill in the counting sensor 70 and the stacking tray 40 to detect the quantity of the bill including the bill detection sensor 28 as mentioned for the normal discharge of the bill Out sensor 29 is installed.

The banknote detection sensor 28 is well illustrated in FIG. 2, which is installed at the side of the main body 20 to detect the guide protrusion 35 formed on the pressing plate 32 of the housing 30 at a corresponding position. . When the banknotes stacked on the cash box 31 are gradually discharged and the quantity thereof decreases, the pressure plate 32 moves toward the upper surface of the main body 20, and the guide protrusion 35 formed on the pressure plate 32 gradually increases. Lowered to approach the banknote detection sensor 28 position. Therefore, when the banknote detection sensor detects the guide protrusion 35, the signal is applied to the circuit unit 80, and the circuit unit displays the remaining amount of the banknote through the display unit 50, and the remaining amount of the banknote is smaller than the banknote discharge amount. In this case, control measures such as stopping the operation of the device are taken.

In addition, the out sensor 29 is installed in the bill discharge port 21 to detect whether there is a bill in the stacking tray (40). The signal detected from the out sensor 29 is applied to the circuit unit 80, and the circuit unit performs a control operation according to the signal.

In addition, the count sensor 70, as shown in Figure 6 is to count the bills are installed and transported on the movement path 66 that the direction of the banknotes are moved. The signal output from the count sensor 70 is applied to the circuit unit 80, and the circuit unit 80 displays the number of bills through the display unit 50. The count sensor 70 has a structure including a light emitting sensor for irradiating light and a light receiving sensor for receiving light emitted from the light emitting sensor, and since the operation structure of the light emitting sensor and the light receiving sensor is well known, a detailed description thereof will be omitted. Do it.

Hereinafter, the operation of the apparatus will be described with reference to FIGS. 8 and 9.

First, the billing process of the banknote, after separating the cash box 31 from the main body 20, and stores the appropriate amount of banknote between the lower support member 34 and the pressure plate 32 of the cash box (31).

The cash box 31 in which bills are stored is mounted on the upper surface of the main body 20. Protrusions 37 and engaging pins 38 are formed at both side edges of the cash box 31. When the projection 37 is pushed in accordance with the guide slit 23 formed on the inner surface of the side plate member 22 of the main body 20, the projection 37 is moved along the guide slit 23 is caught, The pin 38 is fixed to the hook 27 of the clamp 24 located on the front side of the main body 20. Here, in the case of removing the cash box 31 from the main body 20, by pressing the pressing portion 25 of the tip of the clamp 24 to lower the hook 27 from the locking pin 38 to release the locking state The cash box 31 can be removed by moving in the reverse direction of the mounting.

When the cash box 31 is mounted on the main body 20 as described above, the required number of bills may be withdrawn from the cash box 31 and discharged to the stacking tray 40.

According to the banknote withdrawal instruction, the circuit unit 80 controls and operates the driving motor 67, and the withdrawal roller 61, the delivery roller 63, the support roller 64, and the discharge roller, which receive the power of the drive motor 67, are operated. 65 is appropriately rotated to withdraw the banknote.

When the takeout roller 61 rotates, the banknote of the cash box 31 in contact with the takeout roller 61 is moved toward the takeout roller 63 by the frictional force with the takeout roller 61. The bill moved to the delivery roller 63 enters between the delivery roller 63 and the plurality of support rollers 64, and is guided by the rotation of the delivery roller 63 and the support rollers 64 to guide members 62. Proceeds. This is turned 180 degrees while passing through the guide member 62 and proceeds in the direction opposite to the initial withdrawal direction from the cash box 31 to pass through the movement path (66). And it enters between the discharge roller 65 which is located at the end of the movement path 66 is discharged to the stacking tray 40 in accordance with the rotation of the discharge roller (65).

 In this process, as shown in FIG. 8, the count sensor 70 installed on the movement path 66 detects whether the banknote is normally withdrawn and applies the output signal to the circuit unit 80 (S100).

The circuit unit 80 receiving the output signal of the count sensor 70 calculates a signal and checks whether an abnormality such as two bills are drawn out (S110).

Accordingly, the circuit unit 80 continues to withdraw the bill when there is no abnormality in the number of bills withdrawal, and when the abnormality occurs in the number of bills withdrawal, by moving the driving motor 67 in reverse rotation, the bills are moved in the reverse direction to be resent. (S120 ~ S130)

After the banknotes are re-stored, the circuit unit 80 undergoes a process of comparing the set value preset in the circuit unit 80 with the actual number of banknote re-receiving (S140).

At this time, if the actual re-collection number is smaller than the set value, the bill withdrawal process is repeated by repeating the bill withdrawal process, and if the actual re-collection number is more than the set value, the bill withdrawal operation is terminated.

As described above, by repeating re-receipt and re-draw in the case of a bill withdrawal error, it is possible to minimize the disbursement error due to the abnormal bill.

On the other hand, by repeating the banknote withdrawal process as described above, foreign matters such as dust on the surface of the sensor, the amount of light received decreases. If the amount of light received by the sensor is reduced, it may cause a poor sensing, so maintenance such as cleaning is necessary. Thus, when the light receiving amount is reduced in this way, the cleaning time of the sensor can be delayed by increasing the light emitting amount of the light emitting sensor.

That is, as shown in FIG. 9, the circuit unit 80 receives an output signal from the light receiving sensor constituting the count sensor 70 to continuously detect the light receiving amount of the light receiving sensor (S200).

The circuit unit 80 compares the detected light receiving amount of the light receiving sensor with a light receiving amount setting value previously set in the circuit unit 80 to increase the light emitting amount value of the light emitting sensor that irradiates light to the light receiving sensor when it is smaller than the set value. (S210 ~ S220)

Accordingly, the light emission amount of the light emitting sensor irradiated by the light receiving sensor is increased, thereby increasing the light receiving amount value of the light receiving sensor. Therefore, the same effect as cleaning the sensor without cleaning the sensor will be able to delay the cleaning time for the sensor.

If the sensor needs to be cleaned or if the internal repair caused by the use of the bill ejector is necessary, remove the cash box 31 from the main body 20 and simply remove the base plate 60 on the upper part of the main body 20. It can be rotated to perform a task. When the base plate 60 is rotated, the inside of the main body 20 that is covered by the base plate 60 is exposed and the necessary work can be easily performed.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the range of.

1 is a perspective view showing a banknote ejector according to an embodiment of the present invention.

Figure 2 is a perspective view showing a separated state of the receiving portion of the banknote ejector according to an embodiment of the present invention.

Figure 3 is a perspective view showing a receiving portion of the bill ejector according to an embodiment of the present invention.

4 is an exploded perspective view of a banknote ejector according to an embodiment of the present invention.

5 is a schematic cross-sectional view showing the internal configuration of a banknote ejector according to an embodiment of the present invention.

6 is a perspective view showing a banknote discharge structure according to an embodiment of the present invention.

7 is a perspective view showing the back of the bill ejector according to an embodiment of the present invention.

8 and 9 are flowcharts showing the operation of the banknote ejector according to an embodiment of the present invention.

Claims (10)

A storage unit for storing a plurality of bank notes, A main body which detachably installs the accommodating part and draws out the bills loaded on the accommodating part; Stacking tray which is installed on the main body discharged bills are loaded Banknote ejector comprising a. The method of claim 1, The main body and the base plate on which the receiving portion is placed; A drawing roller which is installed below the base plate and protrudes onto the base plate to be in close contact with the banknote loaded in the receiving unit; A guide member positioned at the end of the base plate to switch the moving direction of the bill to the loading tray; A plurality of support rollers in contact with the dispensing roller and the dispensing roller for advancing the banknote moved by the withdrawal roller to the guide member; A discharge roller for discharging the banknote past the guide member and installed on the exit side of the banknote movement path to a loading tray; A driving motor for driving each roller; Circuit unit for controlling and operating the drive motor Banknote ejector comprising a. In claim 1, The accommodating part A cash box having an inner space for accommodating bills and coupled to the main body is an open cash box, A support member installed on the open side of the cash box to support the banknote; A pressing plate which is installed to be movable in the cash box and is in close contact with the bill; Elastic spring is installed between the pressure plate and the bottom surface of the cash box to apply an elastic force to the pressure plate Banknote ejector comprising a. The method of claim 2, The guide member is a bill ejector having a structure that is bent in a semi-circle to turn the bill 180 degrees. The method of claim 2, The base plate is a banknote ejector in which the inner end is pivotally coupled to both sides of the main body to open the inside of the main body. The method of claim 3, wherein The cache box has protrusions and locking pins protruding from each corner of the lower side of both sides, and side plate members coupled to both sides of the main body are formed with guide slits guided by the protrusions, and on one side of the main body. The clamps to fasten the locking pins are installed elastically, The clamp is axially coupled to the side of the main body via a hinge shaft, the outer end is exposed to the outside of the side plate member to form a pressing portion, the inner end is elastically supported by the elastic spring is installed, the pressing portion is spaced in the predetermined distance to the inside Banknote ejector with hooks for hooking pins. The method of claim 3, wherein The pressure plate has guide protrusions formed at both ends thereof, and guide holes are formed at both sides of the cash box so that the guide protrusions are inserted and guided, and guide protrusions are formed at positions corresponding to the guide protrusions on the upper inner surface of the main body. A bill ejector for detecting a bill, which detects the amount of bills remaining in the cash box or whether bills are present. The method of claim 4, wherein The guide member is coupled to the guide member in the lower portion of the bill ejector is further provided with a sliding member which is slid with respect to the guide member and drawn out of the main body while forming a part thereof. In the control method of a banknote ejector, Detecting whether the bill is withdrawn; Calculating whether the abnormality occurs when the banknote is withdrawn by calculating the banknote detection signal; When there is no abnormality in the withdrawal of the bills, the withdrawal of bills is continued, and when an abnormality occurs in the withdrawal of bills, the bills are moved in the reverse direction to be received; Comparing the number of times of receiving banknotes with a preset number of setting values; Ending the bill retrieval operation when the number of bill reclaiming is more than the set value Control method of a banknote ejector comprising a. In the control method of a banknote ejector, Detecting an amount of light received by the light receiving sensor by receiving an output signal from the light receiving sensor for detecting the banknote; Comparing the detected light receiving amount of the light receiving sensor with a preset light receiving amount setting value; Increasing the light emission value of the light emission sensor irradiating light to the light reception sensor when the detected light reception amount of the light reception sensor is less than the light reception amount setting value; Control method of a banknote ejector comprising a.

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