JPH0776430A - Sheet feeding device - Google Patents

Abstract

PURPOSE:To make each feeding sure and increase the speed of feeding treatment. CONSTITUTION:A returning roller 6 to add an energizing force in the direction opposite to the feeding direction by coming in contact with the rear end part of the second paper sheet 2 in feeling direction after it acts on the sheet of a pickup roller 5 is installed at the rear part position of the pickup roller 5 to energize the uppermost paper sheet 2 in accumulated direction of accumulated sheets 2. Thus the second sheet 2 deviated in feeding direction is returned to the original position for each secure feeding to feed the paper sheet 2 under the same conditions at all times.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper sheet feeding device incorporated in an automatic transaction machine for handling paper sheets such as banknotes, and more particularly, to a high speed feeding process. The present invention relates to a paper sheet feeding device.

[0002]

2. Description of the Related Art Sheet feeding devices include, for example, a sheet feeding type as shown in FIG. 3 and a shift feeding type as shown in FIG. In each of the feeding devices, the accumulated paper sheets 21
The paper is fed out by applying the urging force in the feeding direction, that is, the roll-up force and the feeding-out force to the uppermost one in the stacking direction among the ...

In the former roll-out type, the pickup roller 22 uses a suction roller or the like so that one sheet is fed out, and in the latter shift-type feeding type, the feed-out direction is set to the tip end in the feeding direction. The feed roller 23 that rotates and the gate roller 24 that does not rotate in the feeding direction are arranged so as to overlap each other, and the feeding force is applied only to the uppermost sheet 21 in the stacking direction to feed one sheet. Are doing.

[0004]

However, in the above-mentioned roll-out type, when the first sheet 21 is rolled,
A vacuum state is likely to be created between the first paper sheet 21 and the second paper sheet 21. Therefore, the second paper sheet 21
There may be a case where the urging force in the payout direction is exerted even on. This is particularly serious when high-speed processing is performed, and the frequency of double-rolling becomes high, so there is a certain limit to the speed-up of processing.

Further, even with the shift-out type, there is a certain limit to the speeding up of processing. That is, in order to feed one sheet, the gate roller 24 for exerting a force in the anti-feeding direction on the second and subsequent sheets of the paper sheets 21 to be fed out is at the leading end in the feeding direction, and is fed out. Since the pickup roller 22 that promotes the sheet feeding is provided at the rear portion in the feeding direction, a force in the direction of buckling the accumulated paper sheets 21 is likely to be applied, and buckling or damage is likely to occur.

Therefore, an object of the present invention is to provide a sheet feeding device that can reliably feed a single sheet even when a high-speed processing is performed.

[0007]

Means for solving the above-mentioned problems will be described with reference to FIG. 3 showing an embodiment, and the constitution thereof is the uppermost stage in the stacking direction of a large number of stacked paper sheets 2. A paper sheet feeding device (1) having a pickup means (5) for contacting the paper sheet (2) and urging the paper sheet (2) in the feeding direction, wherein a second paper is placed behind the pickup means (5). The sheet feeding device 1 is characterized in that it is provided with a feeding preventing means 6 that comes into contact with the rear end portion of the leaves 2 in the feeding direction and applies a force that opposes the urging force in the feeding direction.

[0008]

In other words, according to the above configuration, the pickup means urges the uppermost paper sheet of the accumulated paper sheets in the feeding direction, and the urging force causes the second paper sheet to be ejected. When attempting to move along with the uppermost sheet, the feeding prevention means contacts the second sheet and presses it downward in the stacking direction, or positively applies a biasing force in the anti-feeding direction. Thus, it opposes the urging force of the second sheet in the feeding direction. Then, the second and subsequent sheets are stopped at a position where they are not fed out.

[0009]

As a result of the above, according to the present invention, the feeding-out preventing means imparts a force for preventing feeding-out to the second and subsequent sheets, so that the second and subsequent sheets cannot be fed out. It is possible to positively stop at the position and reliably feed one sheet.

Further, since the feeding of one sheet is carried out by stopping the second and subsequent sheets at a position where they are not fed out, even when the high speed processing is performed, the conventional sheet feeding apparatus of the page feeding type. As shown in the above, the second sheet is not wound and rolled, and unlike the slide-feeding type paper sheet feeding device, buckling or damage does not occur, and it can be processed more than before. Can be speeded up.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a bill feeding device 1 for bills. The bill feeding device 1 is a bill stacking cassette 3 that stacks bills 2 ...
It is composed of a pressing plate 4 which is vertically movable below the pickup, a pickup roller 5 which is provided above the banknote stacking cassette 3, a return roller 6, a turning lever 7, a banknote pressing plate 8 and a bundling holder 9. ing.

The above-mentioned pressing plate 4 meshes the pinion 10 driven by the pressing motor M1 with the rack 11 installed vertically on the pressing plate 4 to move the pressing plate 4 up and down in the banknote stacking cassette 4. When the rolling-out pressure is increased, the banknotes 2 which are moved up and stacked are pressed and urged upward, and when the rolling-out pressure is lowered, the banknotes 2 are moved downward to move upward to urge upward. Weaken.

The above-mentioned pickup roller 5 has a half-moon shaped portion formed of a high friction elastic body such as rubber that rolls one bill in one rotation, and this half roller is provided opposite to the upper open portion of the bill stacking cassette 3. The rotation shaft of the pickup roller 5 is connected to the pickup motor M2 for turning one sheet (see FIG. 2).
reference).

The above-mentioned return roller 6 is also formed in the same shape as the above-mentioned pickup roller 5, and in synchronization with the pickup roller 5, rotates in the opposite direction to the pickup roller 5 via an appropriate gear, It is set so that the pick-up roller 5 acts on the bills 2 with appropriate frictional resistance after the flipping operation on the bills 2.

That is, as shown in FIG. 2, two intervening gears 12 and 13 are provided between the gear 5a fixed to the rotary shaft of the pickup roller 5 and the gear 6a fixed to the rotary shaft of the return roller 6. The postures of the half-moon-shaped portions of the rollers 5 and 6 at the initial stage of rotation of the pickup roller 5 are shown in the figure.

In the above-mentioned turning lever 7, the bill 2 is rolled up by the rotation of the pickup roller 5 as shown by the phantom line in FIG. 1, and intervenes in the space of the curved portion formed in the middle portion of the bill 2. The banknote 2 is rolled up. Then, the banknotes 2 are guided to the position of the above-mentioned bundling holder 9 with the above-mentioned banknote pressing plate 8 as a fulcrum, and after being bundled by the bundling holder 9, the turning lever 7 retracts.

The operation of the bill feeding device 1 thus constructed will be described with reference to FIGS. 1 and 3. First, FIG.
From the initial rotation state of the rollers 5 and 6, the turning operation by the pickup roller 5 as shown in FIG. That is, the pickup roller 5 comes into contact with the uppermost banknote 2 among the banknotes 2 in which the pickup rollers 5 are stacked, and as the pickup roller 5 rotates in the turning direction, the banknote 2 is rolled so as to form a curved portion in the middle part. Can be raised. At this time, the return roller 6, which has not been in contact with the banknote 2 until then, starts contacting with the topmost banknote 2 at the corresponding position of the return roller 6.

That is, as shown in (a) of FIG. 3, not only the uppermost banknotes 2 ... Accumulated by the rotation of the pickup roller 5, but also the second banknote 2 is rolled up. When the return roller 6 comes in contact with the uppermost banknote 2 in the corresponding position of the return roller 6, that is, the above-mentioned second banknote 2, positively applying a biasing force to this against the second banknote 2. It opposes the biasing force in the turning direction for the second and subsequent bills 2. Then, after obtaining a desired rolled-up state by the pickup roller 5 as shown in (B) of FIG.
Only roll up and bundle as shown in Fig. 3C.
The return roller 6 contacts the second banknote 2 until the pick-up roller 5 completely removes the curling action, and prevents the second and subsequent banknotes 2 from being rolled up.

Therefore, it is possible to prevent the second and subsequent banknotes 2 ... from being rolled up, so that the first banknote can be reliably rolled up. Moreover, the one-piece turning is
Since the second and subsequent bills 2 ... Are prevented from being rolled up, the processing speed can be increased.

Further, in the case of the bill feeding device 1 as described above, since the guide means for flattening the upper surface of the accumulated bills 2 cannot be set, if the number of accumulated bills 2 is increased, the bills are accumulated. The middle portions of the banknotes 2 ... are swollen in the stacking direction, and the second banknote 2 and the following banknotes 2 are likely to be rolled up. Since it is possible to reliably prevent the banknotes 2 ... Below the eye from being rolled up, it is possible to improve the performance by speeding up the processing and increase the number of banknotes 2 ... accumulated to reduce the number of operations such as banknote replenishment. .

In the correspondence between the configuration of the present invention and the above-described embodiment, the paper sheet feeding device of the present invention corresponds to the banknote turning-out feeding device 1 in the embodiment, and hereinafter, similarly, the paper sheet is a bill. 2, the pickup means corresponds to the pickup roller 5, and the feed-out prevention means corresponds to the return roller 6, but the present invention is not limited to the configuration of the above-described embodiment.

For example, the pickup roller 5 and the return roller 6 are not driven by the fixed gear as in the above-mentioned embodiment,
It may be driven by an actuator such as another motor.

Further, as the feeding-out preventing means, unlike the above-described return roller 6, the force in the anti-turning direction is not positively applied, but the second and subsequent banknotes are pressed to prevent their movement. The same effect can be expected even if the paper sheet feeding device is not of the page feeding type as in the above-described embodiment but of the shift feeding type.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a bill feeding device.

FIG. 2 is a configuration diagram showing a main part.

FIG. 3 is an explanatory view showing a turning operation.

FIG. 4 is an explanatory view showing a conventional technique.

FIG. 5 is an explanatory diagram showing a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Banknote feeding device 2 ... Banknote 5 ... Pickup roller 6 ... Return roller

Claims (1)

[Claims] 1. A paper sheet feeding device having a pickup means for contacting the uppermost paper sheet in the stacking direction of a large number of stacked paper sheets and urging the paper sheets in the feeding direction. A sheet feeding device provided with a feeding preventing means for providing a force against the urging force in the feeding direction by contacting the rear end portion of the second sheet in the feeding direction at the rear of the pickup means. .