JPS63176233A - Paper feeding mechanism control method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] C Overview] A control method for a paper feeding mechanism that feeds out cut sheets one by one, in which among a plurality of sheets stacked in a paper storage section,
In order to solve the problem of multiple sheets being sucked into the paper separation mechanism and paper jams due to the frictional force between the paper fed to the printing section and the next paper fed out, the paper is connected to the paper separation mechanism to separate the paper into one sheet.
By configuring the rotation direction of the paper feeding mechanism that feeds sheets one by one to be controlled alternately in the forward direction and the reverse direction,
It is possible to reduce the frictional force between sheets and stabilize the sheet feeding function.

[Industrial application field]

The present invention relates to a control method for a paper feeding mechanism that feeds out paper sheets one by one.

For example, a paper feeding mechanism (hopper) installed in an automatic transaction device (eg, ATM) used in a financial institution has a structure that automatically feeds paper into a printing area.

These automatic transaction devices (e.g. ATMs) used in recent financial institutions tend to be operated unmanned, and therefore, even in unmanned operation, stable paper and mechanisms that can feed are required. ing.

[Conventional technology]

FIG. 4 is a block diagram explaining the conventional example, FIG. 5 is a diagram explaining the operating procedure in the conventional example, FIG. 6 is a diagram explaining the general configuration of the printing device, and FIG. 7 is an overview of the configuration of the paper feeding mechanism. Figures explaining each are shown.

A conventional printing device 10 shown in FIG. 4 is a device installed in an automatic transaction machine (ATM) used in a financial institution, and its functional block configuration is as follows: A control unit 1 that controls various processing operations inside the device. , a memory unit 2 that stores print data, etc., a printing unit 3 that prints predetermined print data on paper (al), and a feeding motor 5 that serves as a driving source for a paper feeding mechanism 8 according to instructions from the control unit 1. A driver 4, a feed motor 5, an IIDE sensor 6 that detects the leading edge of the fed paper (a), and a paper (a) in the paper storage section (hereinafter referred to as hopper) 11.
a microswitch 7 that detects when the number of sheets has fallen below a predetermined number; a paper feeding mechanism 8 that feeds out the paper (a) in the hopper 11 one by one; and a host device side (not shown) to which the printing device 10 is connected. The device is configured to include an interface section 9 for interfacing with the computer (not shown).

Note that the paper feeding mechanism 8 includes a feeding roller 14 shown in FIG.
It is assumed that a, 14b and the paper separation roller 15 are connected to each other.

In this example, it is possible to print on passbooks, etc. in addition to slip paper (a), and the conveyance path (r) shown in FIG. The sheets are stacked on top of each other, and are fed out one by one onto the conveyance path (gl).

In order to feed the cut sheets (a) and bankbooks to the conveyance path (h), the switching unit 13 selects one of the conveyance paths (fl,
(This is done with the gl open, and this switching section 13 is controlled by the control section 1.
It will be held at

Predetermined data is printed on the cut sheet (a) or bankbook etc. sent to the conveyance path (h) by the print head 3a in the printing section 3.

Figure 7 shows the hopper 11 (weight (b), guide plate (C),
A mechanism is shown in which a large number of sheets of paper (Al, which are equipped with a bearing (d) and a push lever (e)) are fed out one by one onto a conveyance path fg.

Reference numerals 14a and 14b are feed rollers for feeding the paper (a) from the hopper 11 in the direction of the conveyance path (g), and this rotation direction (arrow direction) is the forward rotation direction.

Note that the feeding motor 5 is directly connected to one side of the feeding rollers 14a and 14b, and the feeding motor 5 is connected to the other side of the feeding rollers 14a and 14b.
The side that is directly connected to the belt is connected to the belt.

Reference numeral 15 denotes a paper separation roller (separator) 15 that is joined to oppose the delivery roller 14b and separates the delivered paper (a) one by one, and does not rotate.

The leading edge of the sheet (a) that has been separated and fed out one by one is detected by the HDE sensor 6. Further, when the number of sheets (a) stacked in the hopper 11 becomes less than a predetermined value, it is detected by a microswitch 7 operated by a bushing lever (el).

That is, as the paper (Al is fed out), the push lever (81) is lowered.

This is because the button lever (e) is lowered by the gravity of the weight (b) via the bearing (d) sandwiching the guide plate (C), and this button lever (Ql) is lowered by the microswitch 7.
By pressing the projection (1), the microswitch 7 is turned on.

Next, the procedure for feeding out the sheet (a) will be explained according to the procedure shown in FIG. Note that reference numerals 1oo to 104 in the figure indicate processing procedures of the control unit 1.

(Steps 100 and 101); When the control unit 1 receives a paper feeding instruction from the host device (not shown) via the interface unit 9, it drives the feeding motor 5 via the driver 4, and also drives the feeding roller 14a. ,
Turn on the rotational clutch 14b.

(Steps 102 to 104); As a result, the feeding rollers 14a and 14b are continuously rotated in the forward direction, and the HDE
When the detection signal from the sensor 6 is confirmed, the rotational clutches of the feeding rollers 14a and 14b are turned off after 20 steps, and the process moves to the next operation.

[Problem that the invention seeks to solve]

In the case of paper feeding processed as described above, paper (a)
Due to their own weight and the weight (b), the frictional force between the sheets (a) increases, making it impossible to separate each sheet one by one, and there is a high possibility that two sheets will be sucked or paper jams will occur.

On the other hand, if one way to solve these problems is to reduce the frictional force between the sheets (a), there will be problems such as the sheets (a) not being smoothly fed out.

[Means for solving problems]

FIG. 1 shows a block diagram illustrating the invention in detail.

The principle block diagram of the present invention shown in FIG. 1 is based on the control unit 1. Driver 4. It is configured to include a feed-out motor 5 and a forward/reverse rotation control means 31 that alternately controls the rotation direction of the feed-out roller driven by the feed-out motor 5 in a forward direction and a reverse direction.

C effect] Friction between sheets is reduced by alternately controlling the rotational direction of the feed roller that is connected to the paper separation mechanism (paper separation roller) and feeds and separates the paper into the forward direction and the reverse direction. It becomes possible to reduce the force and stabilize the paper feeding function.

〔Example〕

The gist of the present invention will be specifically explained below with reference to embodiments shown in FIGS. 2 and 3.

FIG. 2 is a block diagram illustrating the present invention in detail, and FIG. 3 is a diagram illustrating the operating procedure in an embodiment of the present invention. Note that the same reference numerals refer to the same objects throughout the plan.

The forward/reverse rotation control means 31 of this embodiment includes a forward rotation designation section 32 that designates the forward rotation of the feeding motor 5, and a reverse rotation designation section 33 that designates the reverse rotation of the feeding motor 5.
and a switching section 34 that alternately activates the forward rotation designation section 32 and the reverse rotation designation section 33.

Next, the processing operation of this embodiment will be explained based on FIG. Note that steps 100 and 101 are the same as described above, and will therefore be omitted.

(Steps 202 to 204); The control unit 1 instructs the feeding motor 5 to start rotating the feeding rollers 14a and i4b.

As a result, the switching unit 34 first activates the forward rotation designation unit 32, and the driver 4 activates the forward rotation designation unit 32.
A forward rotation of 50 steps is performed through .

Next, the switching unit 34 activates the reverse rotation designation unit 33, and the driver 4
After 0 steps of reverse rotation is completed, the switching unit 34 activates the forward rotation designation unit 32 again, and continuous forward rotation is designated by the instruction from the control unit 1.

(Steps 205 and 206); Next, when the control section 1 confirms the detection signal from the IDE sensor 6, it stops the rotation of the feeding rollers 14a and 14b. If HD
If the detection signal from the E-sensor 6 is not confirmed, the process proceeds to step 207.

(Steps 207 and 208') ;Control unit 1 is HO
E! When the detection signal from the sensor 6 is not confirmed, it instructs to operate again, checks the number of times it operates again, and if it is up to 3 times, repeats the operation from step 202, and if it is 3 times or more, moves to the pause process. do.

As described above, by rotating the feed rollers 14a, 14b alternately in the forward and reverse directions, the first sheet (al) in contact with the feed rollers 14a, 14b moves back and forth, and the next sheet +8) The friction between the paper and the paper is reduced,
Separation and feeding of sheets (a) one by one are smoothly performed.

〔Effect of the invention〕

According to the present invention as described above, the frictional force between sheets can be reduced and the sheet feeding function can be stabilized.

[Brief explanation of the drawing]

FIG. 1 is a block diagram explaining the present invention in detail, FIG. 2 is a block diagram explaining the present invention in detail, FIG. 3 is a diagram explaining the operating procedure in an embodiment of the present invention, and FIG. 4 is a conventional block diagram. A block diagram for explaining an example, FIG. 5 is a diagram for explaining the operating procedure in the conventional example, FIG. 6 is a diagram for explaining the general configuration of the printing device, FIG. 7 is a diagram for explaining the general configuration of the paper feeding mechanism, are shown respectively. In the figure, 1 is a control unit, 2 is a memory unit, 3 is a print unit, 3a is a print head, 4 is a driver,
5 is a feeding motor, 6 is an ODE sensor,
7 is a micro switch, 8 is a paper feeding mechanism section,
9 is an interface section, 10.30 is a printing device,
11 is a hopper, 13 is a switching unit, 14a and 14b are feed rollers, 15 is a paper separation roller, 31 is a forward/reverse rotation control means, 32 is a forward rotation designation unit, 33 is a reverse rotation designation unit, and 34 is a switching unit , respectively. Next move: 1st orgasm from 1st month, 0 months, 0 months, 1 day, 4 months
Figure 9f, Explanation of messenger 1 bu 0, t7f2] Figure 4 Figure 5

Claims (1)

[Claims] In a printing device (30) equipped with a paper feeding mechanism including a feeding roller and a paper separation roller for feeding slip sheets one by one, the rotating direction of the feeding roller is reversed from the forward direction. A forward/reverse rotation control means (31) is provided which alternately controls the forward/reverse rotation control means (31), and the forward/reverse rotation control means (31) controls the rotational direction of the feeding roller which is connected to the paper separating roller and feeds out and separates the paper.
A paper feeding mechanism control method characterized by controlling the paper feeding mechanism.