KR20000008623A - Cash supplying machine - Google Patents

Abstract

PURPOSE: A cash supplying machine is provided to reduce a rotation load while maintaining a balance so as to be placed exactly a control roller. CONSTITUTION: The cash supplying machine comprises: feed and control shafts(61, 71) coupled to each other by a timing belt, wherein the feed and control shafts have a poly(63, 73) disposed at one end of a corresponding shaft; and wherein the feed shaft has a feed roller(62) and the control shaft has a control roller(72); a flange bearing(65) composed of an inner wheel and an outer wheel; a unit(66, 76) disposed between the poly and the inner wheel of the flange bearing, for constantly maintaining a relative location between the feed roller and the control roller; a bearing fixing unit for fixing the flange bearings to ends of the shafts; and an elastic member(80) disposed between the outer wheel of the flange bearing and frame, for providing an elastic power to the shafts.

Description

Banknote Feeder in an ATM

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cash dispenser, and more particularly, to a paper dispenser of a cash dispenser for separating and discharging banknotes stacked one by one.

Cash dispensers are usually installed in unmanned stores or banks so that customers can easily find their bills without having to go to the bank.

Such an automatic cash dispenser is configured to take out a bill or check from a bill cassette containing bills and checks and withdraw it to a customer according to the user's requirements. A bill feeding device is provided.

1 and 2 are a side view and a plan view showing a bill feeding apparatus of the prior art.

The bill paper feeding apparatus of the prior art is provided with a feed roller 12 and a controller roller 22 opposed to each other so that the bills C in the bill cassette 1 can be withdrawn and the bills can be separated. The roller 12 and the controller roller 22 are fixed to the two shafts 11 and 21 provided in parallel to the two frames 2 through the flange bearings 15 and 25.

At one end of the two shafts 11 and 21, the pulleys 13 and 23 and the timing belt 31 are respectively rotated so that the feed roller 12 and the controller roller 22 rotate in the same direction. An upper guide 3 and a lower guide 4 are provided between the feed roller 12 and the controller roller 22 to guide the movement of the bill.

The bill paper feeding apparatus of the prior art configured as described above is a main part which separates the bills C stacked in the bill cassette 1 and draws them out one by one, and the feed roller 12 and the controller roller 22 simultaneously watch. Direction, and when two or more bills are drawn between these two rollers 12 and 22, the feed roller 12 and the controller roller 22 rub the bills, and only one sheet is directed toward the bill ejection portion A. Will be discharged.

Here, the feed roller 12 and the controller roller 22 of the feed roller 12 and the controller roller 22 as shown in FIG. The mutual position must be correct.

However, in the above-described bill paper feeding apparatus of the prior art, the relative positions of the feed roller 12 and the controller roller 22 are biased toward the top or the bottom as shown in Figs. 4A and 4C. There was a problem that the supply and separation is not done properly.

This is because the fixing method of the flange bearings 15 and 25 is an E-ring 17 (27) type fixing method as shown in Figs. The roller roller shaft 21 flows in the axial direction, therefore, it is difficult to accurately match the relative position of the feed roller 12 and the controller roller 22, and the feed rotational force is not balanced evenly during banknote feeding.

Also, in order to mount the E-rings 17 and 27 on the feed roller shaft 11 and the controller roller shaft 21, mounting grooves 11a at both ends of the shafts 11 and 21 as shown in FIG. ) A, but it is difficult to precisely maintain the gap L between the mounting grooves 11a, 21a.

That is, when the gap L between the mounting grooves 11a and 21a is generally recognized as a tolerance and designed to facilitate assembly, the two shafts 11 and 21 may swing in the axial direction. 12), the position of the 22 is not fixed correctly, on the contrary, if the spacing between the mounting grooves 11a, 21a is designed to be less than the tolerance, the E-rings 17, 27 are flange bearings 15 ( Since it is in close contact with the outer ring of 25, a problem arises in that the rotational torque (rotational load) of the feed roller shaft 11 and the controller roller shaft 21 becomes large.

The present invention has been made to solve the above problems, the banknote of the automatic teller machine to reduce the rotating load that can be generated on the two axes while maintaining the balance between the feed roller and the controller roller in the correct relative position It is to provide a paper feeding device.

1 is a side perspective view showing a bill feeding apparatus of the prior art,

Figure 2 is a plan perspective view showing a bill feeding apparatus of the prior art,

3 is a detailed view showing two roller shafts used in the prior art,

Figure 4 is a state diagram of the mutual position between the feed roller and the controller roller in the prior art,

5 is a side perspective view showing a paper sheet feeding apparatus according to the present invention,

Figure 6 is a plan perspective view showing a bill feeding apparatus according to the present invention,

7 is a detailed view showing two roller shafts used in the present invention;

8 is a perspective view showing a leaf spring used in the present invention.

<Explanation of symbols for the main parts of the drawings>

51 bill cassette 52 frame 53 upper guide 54 lower guide 55 timing belt

61 feed roller shaft 62 feed roller 63 pulley 65 flange bearing 65a inner ring 65b outer ring 65c flange portion 66 bushing 67 retaining ring 68 bushing 69 stopper ring

71: controller roller shaft 71a: stepped portion 72: controller roller 73: pulley 75: flange bearing 75a: inner ring 75c: flange portion 76: bushing 77: fixing ring

80: leaf spring 80a: hole 90: screw

In the cash dispenser of the automatic teller machine of the present invention for realizing the above-described problems, a feeder having a pulley at each end and connected to a timing belt and having a feed roller and a controller roller rotated in the same direction, respectively, is provided. A roller shaft and a controller roller shaft; Two side frames each supporting both ends of the two shafts; A flange bearing having an inner ring and an outer ring and fixed to the frame to support the two shafts to be easily rotated; A clearance means provided between the pulley and the inner ring of the flange bearing to maintain a relative position between the feed roller and the controller roller; Bearing fixing means for integrally fixing the two flange bearings to the ends of the two shafts; It is possible to be characterized in that the elastic member is provided between the outer ring and the frame of the flange bearing provides an elastic force to the two shafts.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

5 and 6 are a side view and a plan view showing a bill dispenser of the ATM according to the present invention, Figure 7 is a detailed view showing two axes according to the present invention, Figure 8 is used in the present invention A leaf spring is shown in perspective view.

5 and 6, the feed roller 62 and the controller roller 72 are disposed to face each other so that the bills C in the bill cassette 51 can be separated and discharged one by one. And the feed roller 62 and the controller roller 72 are fed to the feed roller shaft 61 and the controller roller shaft 71 which are respectively supported by flange bearings 65 and 75 on both frames 52. ) (Hereinafter referred to as 'two axes').

Here, the flange bearings 65 and 75 are the inner ring 65a coupled to the two shafts 61 and 71 and the outer ring 65b supported by the frame 52, as shown in detail in part (C) of FIG. The outer ring 65b is formed with a flange portion 65c protruding in the outer circumferential direction.

At one end of the two shafts 61 and 71, a pulley 63 and 73 and a timing belt for transmitting power to rotate the feed roller 62 and the controller roller 72 in the same direction are provided. 55 are provided, respectively, and an upper guide 53 and a lower guide 54 are provided between the feed roller 62 and the controller roller 72 to guide the movement of the bill.

In particular, the present invention is a pulley (63) (73) and flange bearing (65R) at one end of the two shaft (61) (71) as shown in the detailed view (a) (b) of FIG. The bushings 66 and 76 are respectively provided to maintain a predetermined distance between the 75R bars. The bushings 66 and 76 are formed by the pulleys 63 and 73 and the flange bearings 65R and 75R. Installed between the inner ring, respectively, and serves to form a reference assembly interval so that the relative position of the feed roller 62 and the controller roller 72 is kept constant.

Here, the bushings 66 and 76 are formed in a cylindrical shape having a predetermined length so as to be fitted to the two shafts 61 and 71, and the bushings 66 (about the pulleys 63 and 73). Fixing rings 67 and 77 are provided at ends of the shafts 61 and 71 opposite to 76, so that the pulleys 63 and 73 are not separated outward.

As described above, the bushings 66 and 76 are provided on one side R of the two shafts 61 and 71 to be supported by the frame 52, while the other side of the two shafts 61 and 71 is supported. An end portion is provided with a leaf spring 80 so that the leaf spring 80 pulls the two shafts 61 and 71 outward, so that the relative positions of the feed roller 62 and the controller roller 72 are constant. It provides elastic force to be maintained.

That is, the flange bearings 65L and 75L supporting the other ends of the two shafts 61 and 71 as shown in the detailed views of (c) and (d) of FIG. Is fixed to the ends of the two shafts 61, 71 through bearing fixing means, and between the flange portions 65c, 75c and the frame 52 of the flange bearings 65L, 75L. The leaf spring 80 is provided so that the relative position of the feed roller 62 and the controller roller 72 is kept constant, so as to provide a spreading elastic force in the outward direction.

Thus, the leaf spring 80 is supported on the outer surface of the frame 52 and pushes the flange bearings 65 and 75 integrally with the two shafts 61 and 71 outward so that the bushing 66 The two shafts 61 and 71 are constantly positioned from the reference surface S on which the 76 is assembled so that the relative positions of the feed roller 62 and the controller roller 72 exactly match.

On the other hand, the leaf spring 80 is formed in a plate shape with a hole (80a) in the center portion to be fitted to the outer ring side of the flange bearing (65) 75, as shown in Figure 8 elastic force in the outward direction Will be provided.

Of course, the elastic member installed between the flange bearings 65 and 75 and the frame 52 is not limited to the leaf spring 80 but may be provided with other springs that provide an open elastic force such as a coil spring. will be.

In addition, the screw 90 is fastened to the end portions of the shafts 61 and 71 by passing through the inner ring outside the flange bearings 65 and 75 as shown in FIG. ) Is preferably no larger than the outer diameter of the inner ring so as not to contact the outer ring of the flange bearings 65 and 75.

As such, the flange bearings 65 and 75 connected to the two shafts 61 and 71 through the screw 90 are fixed to the installation position without being moved in the axial direction, and thus the feed roller shaft 61 is fixed. A bushing 68 in close contact with the inner ring 65a of the flange bearing 65 is fitted to the flange bearing 65, and a stopper ring 69 serving as a stopper is installed at the rear of the bushing 68. And support the flange bearing 65L at a position opposed to the screw 90.

On the other hand, the controller roller shaft 71 is formed with a stepped portion 71a having a reduced outer diameter as shown in FIG. 6 (d), so that the stepped portion 71a is directly flange bearing 75L without a bushing or a stopper ring installed. It is in close contact with the inner ring 75a of the wheel) and supports the flange bearing 75L.

Referring to the operation of the paper money dispenser of the automatic teller machine according to the present invention configured as described above are as follows.

In the present invention, the pulleys 63 and 73 provided at one end of the feed roller shaft 61 and the controller roller shaft 71 basically rotate simultaneously with the two shafts 61 and 71, Since the bushings 66 and 76 are in close contact with the inner races of the flange bearings 65 and 75 and the pulleys 63 and 73, the bushings 66 and 76 rotate simultaneously when the shafts 61 and 71 are rotated so that no load is generated. .

In this state, the bushings 66 and 76 maintain a constant distance between the pulleys 63 and 73 and the flange bearings 65 and 75 while simultaneously feeding the feed roller 62 and the controller roller 72. The reference surface (S) is formed so that the relative position of the) is accurate.

And, the leaf spring (80) which is installed on the opposite side of the bushing (65) 75 is fixed to the two shafts (61) (71) with a screw (90) flange bearing (65) (75) connected integrally Since it pushes outward, the reference position S of the two shafts 61 and 71 made through the bushings 66 and 76 is exactly matched, resulting in the relative relationship between the feed roller 62 and the controller roller 72. The position is accurately positioned as shown in FIG.

Here, too, the screw 90 passes through the inner ring of the flange bearings 65 and 75 which are rotated at the same time as the shafts 61 and 71, and is fastened to the two shafts 61 and 71, and the feed roller shaft 61. Since the inner ring is also in close contact with the bushing 68 inserted into the stepped portion 61a of the step) or the stepped portion 71a of the controller roller shaft 71, the screw 90 and the bushing 68 have two shafts 61. At the same time as 71, the load is not generated.

Therefore, the feed roller 62 and the controller roller 72 are rotated in the same direction at the correct relative position, and when two or more bills are inserted between the two rollers 62, 72, the feed roller 62 ) And the controller roller 72 rubs the banknotes with uniform rotational force, and discharges only one banknote toward the banknote discharge unit A.

The bill dispenser of the automatic teller machine of the present invention constructed and operated as described above can be smoothly supplied by separating the bills one by one with a uniform rotational force while maintaining the relative position of the feed roller and the controller roller as well as feed the feed. It also provides the advantage of reducing the rotating load generated on the roller shaft and the controller roller shaft.

Claims (6)

A feed roller shaft and a controller roller shaft (hereinafter referred to as 'two shafts'), each having a pulley installed at one end and connected to a timing belt, and having a feed roller and a controller roller rotated in the same direction, respectively; Both side frames having opposite ends of the two shafts, respectively; A flange bearing consisting of an inner ring and an outer ring and supporting the two shafts easily rotated on the frame; A clearance means provided between the pulley and the inner ring of the flange bearing to maintain a relative position between the feed roller and the controller roller; Bearing fixing means for integrally fixing the two flange bearings to the ends of the two shafts; The banknote dispensing apparatus of the automatic teller machine characterized in that the elastic member is provided between the outer ring and the frame of the flange bearing to provide elastic force to the two shafts. The method of claim 1, The two shafts are bills feeding apparatus of the automatic teller machine characterized in that the fixing ring is installed so that the pulley does not deviate outward. The method of claim 1, And the clearance means is a cylindrical bushing having a predetermined length to be fitted to the two shafts. The method of claim 1, The bearing fixing means includes a screw fastened to an end portion of the shaft through the inner ring of the flange bearing, a bushing fitted around the shaft opposite to the screw and contacting the inner ring of the flange bearing, and the position of the flange bearing fixed. And a stopper ring disposed around an axis that is rearward of the bushing. The method of claim 1, The bearing fixing means includes a screw fastened to an end portion of the shaft through an inner ring of the flange bearing, and an outer diameter of the flange bearing being reduced so that the inner ring of the flange bearing adheres to an axis around the screw bearing. Banknote dispensing device of an automatic teller machine, characterized in that made of wealth. The method of claim 1, And said elastic member is a plate-shaped leaf spring having a hole formed in a center portion thereof so as to fit outside of said flange bearing.