KR100379355B1 - Apparatus for auto paper money withdrawal of a cash-dispensing machine - Google Patents

Abstract

The present invention relates to a banknote automatic withdrawal device of a banknote dispenser, which incorporates a banknote separator and a stepping motor for driving the banknote separator in a cassette containing the banknote to precisely control the separator roller and to mount an electrostatic brush on the contact roller shaft. By absorbing the static electricity contained in the banknotes in the electrostatic brush, the purpose is to be able to withdraw banknotes accurately and stably.

An object of the present invention is located on one side of the bill cassette, stepping motor for generating a driving force for the separation and transfer of bills, installed in contact with the pinion of the stepping motor, the first idle gear for transmitting the rotational force of the stepping motor, the first 1 a pick-up roller which is installed in contact with the idle gear and picks up bills on a bill cassette one by one; and a second idler gear which is installed in contact with the pick-up roller so as to transmit the rotational force of the pick-up roller, and is installed in contact with the second idle gear. Feed roller for supplying bills picked up by the pick-up roller, third idler gear intermittently in contact with the partial gear of the feed roller to transfer the rotational force of the feed roller, interlocked with the third idler gear to discharge two or more bills Reverse rollers to prevent the discharge of bills passed between the feed roller and the reverse roller outside the bill cassette It is characterized by consisting of an idle roller.

Description

Banknote Automated Teller Machine {Apparatus for auto paper money withdrawal of a cash-dispensing machine}

The present invention relates to a banknote dispenser, and more particularly, by mounting a banknote separation roller set and a stepping motor in the banknote cassette to remove the banknote from the banknote cassette is set, and stable and accurate It relates to a banknote automatic withdrawal device of a banknote dispenser to withdraw the number of bills.

In general, it is divided into the following two according to the position of the separator roller for separating the only one bill from a plurality of bills to withdraw the bill set in the bill cassette and the separator roller for stable contact of the bills.

First, when the separation roller is mounted on the outside of the bill release device, that is, the bill cassette, when the user separates the bills due to the heterogeneous contact between the bill and the separation roller according to the mounting state when the user inserts the bill cassette into the bill release device. Since there is a high possibility of skew and unseparation of banknotes, the structure of the part where the banknote cassette is mounted on the banknote dispensing apparatus should be very reliable.

In addition, when the separator roller is built into the bill cassette, the separator roller is mounted inside the cassette, so the contact between the banknote and the separator roller is stable, but an electronic clutch must be used to transfer power to the separator roller. Electronic brakes are used to prevent unintentional banknote separation by the centrifugal force of the secondary rollers.

A bill dispenser mounted in a conventional automatic teller machine is a technology in which a pickup roller and a separation roller are built in a cabinet into which bills are inserted, such as Korean Patent Registration No. " Special 1997-0007010 " If described with reference to:

The worm wheel 41 is rotatably supported by the rotary shaft at the rear portion of the cassette 20 for charging cash, and the eccentric rollers 43 interlocked with the wick wheel 41 are provided, and the worm wheel 41 is housed. The worm 12a protruding from the inner side thereof is operably connected to the DC motor 12. On the other hand, the eccentric rollers 43 are provided so that the eccentric portion protrudes into the banknote pick-up hole at the rear of the cassette 20, and the conveying rollers 44 are rotatably supported toward the banknote outlet.

When the DC motor 12 is configured as described above, when the DC motor 12 is rotated, the worm wheel 41 is rotated by the worm 12a, the eccentric rollers 43 are rotated, and the eccentric part protrudes at a predetermined period through the banknote pick-up hole. Of the banknotes loaded into the cassette 20, the most charged banks are separated by friction in the eccentric portion of the eccentric roller 43, and the separated banknotes are pushed between the transfer rollers 44 and drawn out through the banknote outlet. .

Here, when the bill 20 is inserted into the cassette 20 and the guide rail is mounted in the housing, when the DC motor 12 installed outside the cassette 20 rotates, the power transmission is provided at the end of the DC motor 12. 12a rotates, and as the worm 12a rotates, it is transmitted to the worm wheel 41 provided on the rear side of the cassette 20, and interlocked with the worm wheel 41 to each roller 43 in the cassette 20 ( 44) will rotate. As each of the rollers 43 and 44 rotates, banknotes are separated from the cassette.

However, the bill separating apparatus according to the related art can minimize the unsafe bill separating according to the cassette mounting state by embedding a pickup roller and a separating roller in the bill cassette, but a clutch and a brake for transmitting power are provided. There was this. In addition, in the case of bundles of bills, especially the new priesthood, if the pick-up force of the pickup roller is weaker than the friction force between bills due to the static electricity contained in the bills, there was a problem that the bills are not picked up.

The present invention is to solve the above problems of the prior art, by inserting a stepping motor for driving the banknote separator and the banknote separator in the cassette containing the banknote to accurately control the separation roller, the electrostatic brush on the contact roller shaft The purpose of the present invention is to provide a banknote automatic withdrawal device of a banknote dispenser that can withdraw the banknotes accurately and stably because it absorbs the static electricity contained in the banknotes by mounting the electrostatic brush.

1 is a cross-sectional configuration diagram of a bill separating apparatus of a bill cassette according to the prior art,

2 is a block diagram of a banknote automatic withdrawal apparatus of a banknote dispenser according to an embodiment of the present invention,

3 is a schematic view for explaining the pickup roller, feed roller and the reverse roller in FIG.

4 is a view for explaining a partial gear in FIG.

5 is an external view of an electrostatic brush according to an embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

100: bill cassette 102, 104: bill

110: stepping motor 112: pinion

114, 118, 122: 1st, 2nd, 3rd children gear

116: pickup roller 120: feed roller

121: partial gear 123: electrostatic brush

124: reverse roller 126: idle roller

128: initial position detection sensor 132, 134: conveying roller

The automatic banknote withdrawal device of a banknote dispenser according to the present invention for achieving the object of the present invention is a banknote dispenser consisting of a banknote cassette into which the banknote is loaded, and a guide rail for varying the position of the banknote cassette, A stepping motor positioned at a side to generate a driving force for separating and transferring banknotes, a first idling gear installed to be in contact with the pinion of the stepping motor to transmit a rotational force of the stepping motor, and to be in contact with the first idler gear A pick-up roller provided to pick up bills on a bill cassette one by one, a second idler gear which is installed in contact with the pick-up roller so as to transmit the rotational force of the pick-up roller, and contacted with the second idle gear, Supply roller for supplying the bill picked up by the supply, and supply so that the rotational force of the supply roller can be transmitted A third idler gear intermittently contacting the partial gear of the roller, a reverse roller which is interlocked with the third idler gear to prevent the discharge of two or more bills, and a banknote passed between the feed roller and the reverse roller. It characterized in that it comprises an idle roller for discharging to the outside of the cassette.

The present invention made as described above will be described in detail with reference to the accompanying drawings.

2 is a configuration diagram of a banknote automatic withdrawal device of a banknote dispenser according to an embodiment of the present invention, a billet cassette 100 for charging a bill 104 and a guide rail for varying the position of the billet cassette 100 ( Banknote dispenser (not shown in the figure) consisting of the step, the stepping motor 110 is located on one side inside the bill cassette 100 to generate a driving force for separating and transporting bills, stepping motor 110 Of the first idler gear 114 which is installed to be in contact with the pinion 112 of the stepping motor 110 and transmits the rotational force of the stepping motor 110, and which is in contact with the first idler gear 114 of the banknote cassette 100. Pick-up roller 116 for picking up 102 one by one, a second idler gear 118 provided in contact with pick-up roller 116 so as to transmit rotational force of pick-up roller 116, and second idler gear 118 The bill 102 is installed to be in contact with the supply roller picked up by the pickup roller 116 The third idler gear 122 and the third idler gear 122 intermittently contacting the feed roller 120, the partial gear 121 of the feed roller 120 to transmit the rotational force of the feed roller 120, ) Is installed in conjunction with the reverse roller (124) to prevent the discharge of two or more bills, and the feed roller 120 and the bill passing through the feed roller 120 and the reverse roller 124 while circulating with the feed roller ( Idle roller 126 which is similarly driven by friction with 120 and discharged out of bill cassette cassette 100 and initial position detection for detecting the initial position at which feed roller 120 starts to rotate in addition to feed roller 120. It consists of a sensor (Home position sensor) 128.

If described in more detail with reference to Figures 2 to 5 attached to the operation according to an embodiment of the present invention configured as follows.

First, the bill cassette 100 is charged to the bill box provided on one side of the bill cassette 100, and then stored along the guide rail in the bill dispenser.

Looking inside the banknote cassette 100, the rollers 114 to 126 for separating banknotes are embedded in the upper side of the banknote cassette 100, and then the stepping motor 110 is mounted in the bottom free space. Here, since the rollers 114 to 126 are located above the banknote cassette 100, the influence of the pick-up force of the pick-up roller on the separation of the feed roller 120 is minimized.

In the process of withdrawing bills from the bill cassette 100 stored in this manner, first, the stepping motor 110 is driven, and as the stepping motor 110 rotates in the counterclockwise direction, the pinion 112 has a first idle gear ( The rotation force is transmitted to the 114, and as the first idle gear 114 rotates, the pickup roller 116 rotates counterclockwise.

As the pick-up roller 116 rotates, one bill 102 that is in contact with the pick-up roller 116 of the bills loaded in the bill box is picked up and separated from the other bills. Here, the outer diameters of the pickup roller 116 and the supply roller 120 are preferably designed as 'φ38'.

On the other hand, the rubber portion of the pickup roller 116 required to pick up the bill is required as "Y1 + α" as shown in Figure 3, the rubber portion of the predetermined width provided in the supply roller 120 has an influence of the reverse roller In consideration of the rubber part and the conveying rollers (132, 143) to transfer the entire bill is made of rubber coated portion.

As the pickup roller 116 rotates in the counterclockwise direction, the second son gear 118 rotates by the feed roller 120 and the feed roller 120 in the counterclockwise direction.

When the speed of the stepping motor 110 is increased by providing a home position sensor 128 on one side of the supply roller 120, the rubber parts of the pickup roller 116 and the supply roller 120 Not only does not close to the bill 102, but also monitors motor forgery due to an abnormal load, such as an abnormality of the system, and attempts to recover from failure because of low speed rotation.

As shown in FIG. 4, the supply roller 120 rotates the gear of the reverse roller 124 shaft by manufacturing the partial gear 121 on the supply roller 120 shaft. Here, each 'θ' is designed to be a bill length in consideration of a predetermined margin.

In general, the maximum length of banknotes is 85mm, so '85 +20 'is applied.

Thus, the angle of the fan and the length of the arc of the partial gear 121 is calculated.

Here, as the feed roller 120 rotates, the partial gear 121 rotates on the same axis so that the third idler gear 122 rotates by the partial gear 121. As the third idler gear 122 rotates clockwise, the reverse roller 124 rotates counterclockwise.

Counterclockwise rotation of the reverse roller 124 is to be rotated in the opposite direction to the traveling direction of the banknotes being discharged so that the two bills are not withdrawn overlapping, the reason for the partial rotation to prevent uneven wear of the reverse roller 124 For sake.

The idle roller 120 external to the feed roller 120 is similarly driven by friction with the feed roller 120 to pass the bill 102 passing through the feed roller 120 and the reverse roller 124 to the bill cassette 100. Guide it out to the outside.

Banknotes discharged to the outside of the bill cassette 100 is discharged to the outside of the bill dispenser through the conveying rollers (132, 134).

On the other hand, as shown in Figure 5, the electrostatic brush 123 is provided at a predetermined position at both ends of the reverse roller 124, the electrostatic brush 123 is in close contact with the bill when the reverse roller 124 is rotated in the same direction Since it rotates, so that the static electricity contained in the banknote 104 is absorbed by the electrostatic brush 123.

As described above, the banknote automatic withdrawal device of the banknote dispenser according to the present invention is easy to separate the bills by removing in the bill cassette for the static electricity contained in the bills, jams due to static electricity on the conveying path after the bill separation There is an effect that can be minimized, and the use of stepping motor can more accurately detect the number of bills separated, it is highly reliable. In addition, the stepping motor is controlled at a low speed when the banknote is not separated due to an abnormal load so that it can be automatically recovered. As described above, the stepping motor and the banknote electrostatic brush are built in the banknote cassette so that the banknote can be stably withdrawn and the reliability can be improved.

Claims (3)

In the banknote dispenser which consists of a banknote cassette into which a banknote is inserted, and the guide rail which changes the position of the banknote cassette, A stepping motor positioned on one side of the bill cassette to generate a driving force for bill separation and transfer; A first idle gear installed to be in contact with the pinion of the stepping motor and transmitting a rotational force of the stepping motor; A pickup roller installed to be in contact with the first idler gear and picking up bills one by one on a bill cassette; A second idler gear installed in contact with the pickup roller so as to transmit the rotational force of the pickup roller; A supply roller which is installed in contact with the second idler gear and supplies bills picked up by the pickup roller; A third idler gear intermittently contacting the partial gear of the feed roller so as to transmit the rotational force of the feed roller; A reverse roller installed to interlock with the third idler gear to prevent the discharge of two or more bills; And Automatic bill taking device of the banknote dispenser characterized in that it comprises an idle roller for discharging the bill passed through the feed roller and the reverse roller to the outside of the bill cassette. The banknote automatic withdrawing device of claim 1, wherein an initial position detecting sensor is provided to enable position control of the feed roller. 2. The banknote automatic withdrawing device of claim 1, wherein an antistatic brush is provided on the same axis of the reverse roller.