JPH03223050A - Paper sheet exfoliating device - Google Patents

Abstract

PURPOSE:To prevent a paper sheet from being diagonally fed by providing a plurality of driving means of driving each exfoliation roller, detecting means of detecting a diagonal feed of the exfoliated paper sheet and a control means of controlling each driving means in accordance with a detection result. CONSTITUTION:In the case of diagonally feeding a paper sheet 12 by exfoliating action by pusher rollers 6a, 6b and a delivery roller, a point end of the paper sheet 12 is detected first by a sensor 1b and successively by a sensor 1a, while a time difference calculating device 2 feeds to a control part 3 an input time difference between detection signals of both the sensors 1a, 1b to communicate information about the paper sheet 12 diagonally fed. The control part 3 outputs a drive signal to drive motor control parts 4a, 4b so that a feed amount of the paper 12 by the roller 6a is increased larger than the feed amount of the paper by the roller 6b in accordance with the input time difference from the calculating device 2. Accordingly, a pusher roller drive motor 5a is drive-rotated so that a rotational speed of the roller 6a is increased larger than a rotational speed of the roller 6b by a control of a control part 4a.

Description

TECHNICAL FIELD The present invention relates to a sheet peeling device, and more particularly to a sheet peeling operation in a sheet peeling device.

BACKGROUND ART Conventionally, in paper sheet peeling apparatuses, paper sheets are peeled off using a plurality of peeling rollers, and these peeling rollers are commonly driven by the same motor.

In such conventional sheet peeling devices, multiple peeling rollers are driven in common by the same motor, which has the disadvantage that the peeled sheets may be skewed. There is.

OBJECTS OF THE INVENTION The present invention has been made in order to eliminate the drawbacks of the conventional devices as described above, and an object of the present invention is to provide a paper sheet peeling device that can prevent the peeled sheets from skewing.

Structure of the Invention A paper sheet peeling device according to the present invention is a paper sheet peeling device that peels paper sheets using a plurality of peeling rollers, and includes a plurality of driving means for driving each of the peeling rollers, and a plurality of drive means for driving each of the peeling rollers, and a The present invention is characterized in that it is provided with a detection means for detecting the skew of the paper sheets peeled off by the above-mentioned method, and a control means for controlling each of the drive means' in accordance with the detection result of the detection means.

Embodiment Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. In the figure, sensors la and lb detect the skew of paper sheets (not shown), and each output a detection signal to the time difference calculator 2 when the paper sheets pass.

The time difference calculator 2 calculates the difference in time when the detection signals from the sensors 1a and 1b are input.
If a detection signal is simultaneously input from the control unit 3, the control unit 3 is notified that the paper sheet is not skewed.

Furthermore, when one of the detection signals from the sensors la and lb is input with a delay, the difference in the input times is calculated, and the control unit 3 is notified that the paper sheet is traveling diagonally. The difference in input time is sent to the control section 3.

When the control section 3 learns from the notification from the time difference calculator 2 that the sheet is being fed diagonally, it sends a drive signal to the drive motor control section 4a according to the difference in input time sent from the time difference calculator 2. , 4b.

The drive motor controllers 4a and 4b control the bushing roller drive motor 5g in response to a drive signal from the controller 3.

Controls the drive of 5b.

The bushing roller drive motors 5a and 5b drive bushing rollers 6a and 6b, respectively, under the control of the drive motor control sections 4a and 4b.

FIGS. 2 and 3 are configuration diagrams showing one embodiment of the present invention. FIG. 2 shows the configuration of one embodiment of the present invention when viewed from the side, and FIG. 3 shows the configuration of one embodiment of the present invention when viewed from above.

In these figures, the sheet pressing plate 7 operates to press the sheet against the front plate 8 of the sheet sequential input section when the sheet is input into the sheet input section 9.

The paper sheets are pressed by the plate 7, and the paper sheets are pressed by the front plate 8 of the paper sheet input section.
When pressed, a bumpy roller 5a, a part of which protrudes from the front plate 8 of the paper sheet input unit 9 toward the paper sheet input unit 9,
5b separates the paper sheets one by one from other paper sheets and sends them out to feed rollers 10a and 10b.

The feeding rollers 10a and 10b are the butt rollers 6a,
The paper sheets sent by 6b are sent out one by one to the paper sheet conveyance path 11.

At this time, the sensors la and lb are the feeding rollers 10a,
10b detects the leading edge of the paper sheet sent out, and when the leading edge of the paper sheet is detected, a detection signal is sent to the time difference calculator 2.
Output to.

As a result, the time difference calculator 2 detects the skew feeding of paper sheets through the sensor l.
Detection is performed using detection signals from a and lb.

FIGS. 4 and 5 are diagrams for explaining the operation of an embodiment of the present invention. The operation of one embodiment of the present invention will be explained using these FIGS. 1 to 5.

First, if the paper sheet 12 is not skewed by the peeling operation by the crush rollers 6a, 6b and the feed rollers 10a, 10b, the leading edge of the paper sheet 12 is moved to the sensor la, lb.
are detected at the same time, so the time difference calculator 2 includes the sensor la
, lb are input at the same time, and the time difference calculator 2 notifies the control unit 3 that the paper sheet 12 is not skewed (see FIG. 4).

Therefore, the control section 3 outputs a drive signal to the drive motor control sections 4a and 4b so that the amounts of paper sheets 12 fed by the bushing rollers 6a and 6b are the same.

Therefore, the bumpy roller drive motor 5a.

5b rotates the bushing rollers 6a and 6b at the same rotation speed under the control of the drive motor control units 4a and 4b.

When the paper sheet 12 travels diagonally due to the peeling operation by the crush rollers 6a, 6b and the feed rollers 10a, 10b, the leading edge of the paper sheet 12 is first detected by the sensor 1b, and then by the sensor 1a, so that the time difference is reduced. After the detection signal from the sensor 1b is input to the calculator 2, the detection signal from the sensor 1a is inputted to the calculator 2.
A detection signal is input from the sensor (see FIG. 5).

As a result, the time difference calculator 2' detects the skew of the paper sheet 12, and inputs the difference between the input time of the detection signal of the sensor 1a and the input time of the detection signal of the sensor 1b, that is, the detection signal of the sensor 1b. It calculates the time from when the paper sheet 12 is inputted manually until the detection signal of the sensor 1a is manually input, and notifies the control unit 3 that the paper sheet 12 is skewed, and also sends the calculated input time difference to the control unit 3. do.

The control unit 3 controls a drive motor control unit so that the amount of paper sheets 12 fed out by the bushing roller 6a is larger than the amount of paper sheets 12 fed out by the bushing roller 6b according to the input time difference sent from the time difference calculator 2. 4a, 4b
Outputs a drive signal to.

Therefore, the bushing roller drive motor 5a is driven to rotate under the control of the drive motor control section 4a so that the number of rotations of the bushing roller 6a is greater than the number of rotations of the bushing roller 6b.

Therefore, the paper sheet 12 is fed out by the roller 10a.

When the paper sheets are sent out to the sheet conveyance path 11 by the sheet conveyance path 10b, the bushing rollers 6a, 6b and the feeding roller 10
The skewing of the sheet 12 caused by the peeling operation by a and 10b is corrected.

In this way, depending on the detection results of the skew of the paper sheet 12 by the sensors la, lb and the time difference calculator 2, the butcher roller drive motors 5a, 5b control the butcher rollers 6a, 5b.
By driving and controlling each of the sheets 6b independently, it is possible to prevent the peeled paper sheets 12 from being skewed.

In one embodiment of the present invention, when the sensors la and lb and the time difference calculator 2 detect the skew of the paper sheet 12, the bumper rollers 6a and 6b are independently driven and controlled to control the movement of the paper sheet 12. Although the skew is corrected, even if the feed rollers 10a and 10b are independently driven, or the butcher rollers 6a and 6b and the feed roller 1
0a.

10b may be driven and controlled independently, but the present invention is not limited thereto.

DETAILED DESCRIPTION OF THE INVENTION According to the present invention, each of the plurality of peeling rollers is independently driven in accordance with the detection result of the detection means for detecting the skew of paper sheets peeled off by the plurality of peeling rollers. This control has the effect that it is possible to prevent the peeled paper sheets from skewing.

[Brief explanation of drawings]

FIG. 1 is a program diagram showing the configuration of an embodiment of the present invention;
2 and 3 are configuration diagrams showing an embodiment of the present invention,
FIGS. 4 and 5 are diagrams for explaining the operation of an embodiment of the present invention. Explanation of symbols of main parts la, lb...Sensor 2...Time difference calculator 3...Control units 4a, 4b...Drive motor control unit 5a, 5b・
...Butt roller drive motors 6a, 6b...
... Bumpy rollers 10a, 10b ... Feeding roller 12 ... Paper sheets

Claims (1)

[Claims] (1) A sheet peeling device that peels paper sheets using a plurality of peeling rollers, which includes a plurality of driving means for driving each of the peeling rollers, and a skew movement of the sheet peeled by the peeling rollers. What is claimed is: 1. A paper sheet peeling device, comprising: a detection means for detecting the detection means; and a control means for controlling each of the drive means according to the detection result of the detection means.