JPH08175700A - Paper sheet carrying device - Google Patents

Abstract

PURPOSE: To prevent paper sheet carrying from being stopped even though chain generated when a carrying interval between the kind of the paper is shorter than an interval corresponding to the operation period of a carrying passage switching valve and double feed, is generated, in which a plural sheets of paper sheets are doubly carried, identify the paper sheets after the chain and the double feed, shorten processing time for the specified number of sheets, and correspond to carry the paper sheets in both directions. CONSTITUTION: In the case that paper sheets are carried in a positive direction or a reverse direction by a sensor 1 and a sensor 2, a discrimination carrying passage monitoring part 3 monitors the carrying interval between the paper sheet and the vertical width of the paper sheet at a discrimination part inlet, and indicates a data collecting HW part 4a to start the data collection of the kind of the paper. The data collecting HW part 4a collects the data of the paper sheets from a transmitted light sensor and a magnetic sensor, and a paper sheet identifying part 5a identifies the kind of the paper from the collected data, chain from the discrimination carrying passage monitoring part 3 and the information of double feed. A carrying passage control part 6a operates the switching valve 7 of a carrying passage (valve 8 during a reverse direction carrying period) according to the identified results in the paper sheet identifying part 5a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper sheet conveying device, and more particularly, when a paper sheet chain or a double feed occurs in the paper sheet conveyance, the feeding of the succeeding paper sheet is stopped. The present invention relates to a paper sheet transporting device that processes without performing and that is compatible with bidirectional transport.

[0002]

2. Description of the Related Art A conventional sheet conveying apparatus will be described with reference to the drawings.

FIG. 4 is a block diagram of an example of a conventional sheet conveying apparatus.

The sensor 1 is a sensor for monitoring the conveyance interval of paper sheets and the vertical width of paper sheets at the entrance of the discrimination section, and the conveyance path control unit 6b is the sensor 1 for the conveyance interval of paper sheets and paper sheets. The vertical width of the paper is monitored, the data collection HW unit 4b is instructed to start the data collection of the paper sheet, the valve 7 is operated according to the identification result from the paper sheet identification unit 5b, and the conveyance direction is switched. The data collection HW unit 4b collects the data of the paper sheet from the transmitted light sensor or the magnetic sensor according to the instruction from the conveyance path control unit 6b.
b is a paper sheet identification unit for identifying a paper sheet from the data collected by the data collection HW unit 4b and information on the chain or double feed from the transport path control unit 6b, and the valve 7 is a paper sheet identification unit 5
This is a valve that switches the transport path by the transport path control unit 6b according to the identification result from b.

First, the processing when no chain or double feed has occurred will be described.

The conveyance path control unit 6b monitors the conveyance interval of the paper sheets under the sensor 1 and the vertical width of the paper sheets, and if they are normal (not a chain or double feed), the conveyed paper is conveyed. Start of data collection for leaves: Data collection HW section 4
Instruct b.

The data collection HW unit 4b collects magnetic data and transmitted light data of paper sheets, transfers the data to the paper sheet identification unit 5b, and when the transfer is completed, notifies the paper sheet identification unit 5b. . The sheet discriminating unit 5b compares the collected magnetic data and transmitted light data of the sheet with the dictionary data inside the sheet discriminating unit 5b, obtains the discrimination result, and notifies the conveying path control unit 6b.

The conveying path control unit 6b operates the valve 7 according to the discrimination result of the sheet discriminating unit 5b to convey the sheet.

Next, the processing when a chain or double feed occurs will be described.

When the conveyance path control unit 6b detects a chain or double feed under the sensor 1 which monitors the conveyance interval of paper sheets and the vertical width of the paper sheets, it notifies the paper sheet identification unit 5b. Further, the conveyance path control unit 6b does not instruct the data collection HW unit 4b to start data collection for the paper sheets conveyed after the chain or the double feed, stops the feeding of the paper sheet feeding unit, and starts the feeding from the feeding unit. By operating the valve 7, the paper sheet on the conveyance path to the sensor 1 is conveyed to a conveyance path similar to a chain or double feed. Transport path control unit 6b
When the conveyance of the paper sheets on this conveyance path is completed, the number of sheets lacking due to chaining or double feed is conveyed, and therefore the feeding is started again, the insufficient number of sheets is conveyed, and the process is ended.

Next, another conventional example will be described.

As another conventional example, Japanese Patent Laid-Open No. 63-49 is known.
895 and Japanese Patent Laid-Open No. 57-42439 are known.

Those disclosed in JP-A-63-49895 and JP-A-57-42439 will be described with reference to the drawings.

FIG. 5 is a block diagram of a conventional sheet conveying apparatus disclosed in Japanese Patent Laid-Open No. 63-49895.

The paper sheet conveying apparatus of this conventional example is a feeding mechanism 9 for feeding a specified number of sheets to the conveying path, and a conveying path 1 for conveying the paper sheets fed out from the feeding mechanism 9.
0, a paper sheet discriminating unit 11 for judging whether or not the number of paper sheets conveyed on the conveyance path 10 exceeds a designated number, a distribution gate 12 for switching the conveyance destination of the paper sheets, and a distribution gate 12 It is composed of a first paper sheet storage mechanism 13 and a second paper sheet storage mechanism 14 for storing paper sheets conveyed via the.

The paper sheet discriminating section 11 counts the number of paper sheets fed from the feeding mechanism 9 and judges whether or not the designated number has been exceeded. If the specified number of sheets is not exceeded, transport path 1
The paper sheets on 0 are conveyed to the first paper sheet storage mechanism 13 by the gate 12, and when the specified number of sheets is not exceeded, the conveyance path 1
The paper sheets above 0 are conveyed to the second paper sheet storage mechanism 14 by the gate 12.

FIG. 6 is a block diagram of a conventional chain paper sheet elimination control device disclosed in Japanese Patent Laid-Open No. 57-42439.

In this conventional chained paper sheet elimination control device, a storage section 15 for storing banknotes, a conveying path 16 for conveying banknotes, and a denomination type front / back discrimination device 17 for discriminating the denomination and front / back side of a bill. And a gate 18 that sorts the bills transported through the transport route 16 into three transport routes, and transport routes 19 and 2 that transport the bills from the gate 18 to the storage units 22, 23, and 24.
0, 21 and storage sections 22, 23, 24 for storing the banknotes transferred in the transfer paths 19, 20, 21 and a width of one of the largest banknotes and two of the smallest banknotes for detecting a chain. Bill detectors 25, 26 arranged narrower than the width of the sheet,
A banknote detector 27 that detects the length and skew of banknotes before and after the denomination front / back discriminating device 17, a banknote detector 28 that switches the gate 18 by detecting banknotes, and a storage unit 22, 2
Banknote detectors 29, 3 for detecting passage of banknotes to 3, 24
It is composed of 0 and 31.

A case will be described below in which the banknote group is placed in the storage unit 15 and sorted according to the type of money in the conventional chained paper sheet elimination control apparatus.

First, when a chain is not detected by the bill detectors 25 and 26, the denomination and front / back of the bill are discriminated by the denomination / front / back discriminating device 17. When a bill is detected by the bill detector 28, the gate 18 is switched based on the discrimination result of the denomination front / back discriminating device 17, and the bill is transferred to the storage units 22, 23, 24 corresponding to the discrimination result by the gate switching. To be done.

When a chain is detected by the banknote detectors 25 and 26, at the time when the banknote is detected by the banknote detector 28, the gate 18 is switched to the storage unit corresponding to the chain.
The banknotes are transferred to the storage unit corresponding to the chain by this gate switching.

In this way, the banknote group in the storage section 15 is sorted.

[0023]

The above-described conventional paper sheet conveying apparatus stops the feeding of paper sheets when it detects a paper sheet chain or double feed at the time of paper sheet conveyance, and stops the chain or double feed. The paper sheet and the paper sheet that follows the double feed and the chain are all conveyed to the reject safe, and then the delivery of the paper sheet is restarted. Therefore, when a chain or double feed occurs, there is a time during which the feeding is stopped until the feeding of the sheets is restarted, and it takes time to process the designated number of sheets. There was a problem.

Further, since the conventional paper sheet conveying apparatus is applicable to the case where the data is collected and identified in the case where the conveying direction is only one direction, the paper sheets are conveyed from the opposite direction. In this case, it was impossible to collect and identify the data of paper sheets.

[0025]

SUMMARY OF THE INVENTION A paper sheet conveying apparatus of the present invention comprises a data collecting HW unit for collecting transmitted light data and magnetic data of a paper sheet, and a conveying unit for conveying paper sheets under the data collecting HW unit. A chain or a plurality of paper sheets that occur when the path is monitored and the data collection HW unit is instructed to start collection and the paper sheet conveyance interval is shorter than the operation time of the conveyance path switching valve that switches the conveyance path Discrimination conveyance route monitoring unit that determines and notifies double feeds that are conveyed in an overlapping manner, and identifies paper sheets from the data collected by the data collection HW unit and the chain or double feed information notified from the discrimination conveyance route monitoring unit It is characterized in that it has a paper sheet discriminating section for carrying out, and a conveyance path control section for operating a conveyance path switching valve according to the discrimination result from the paper sheet discriminating section.

The paper sheet conveying apparatus of the present invention is the first sensor for monitoring the paper sheet conveying interval and the paper sheet vertical width at the entrance of the discriminating section for discriminating the paper sheet during the forward conveyance. And a second sensor for monitoring the conveyance interval of the paper sheets and the vertical width of the paper sheets at the entrance of the discrimination section during reverse conveyance, and the conveyance path control section detects the paper sheets on the conveyance path. It has a function to control the paper to be conveyed in both the forward and reverse directions, and the discrimination conveyance path monitoring unit uses the first and second sensors at the entrance of the discrimination unit to convey the paper sheet and the vertical width of the paper sheet. And has a function of instructing the data collection HW unit to start data collection of paper sheets.

[0027]

Embodiments of the present invention will now be described with reference to the drawings.

FIG. 1 is a block diagram of an embodiment of the paper sheet conveying apparatus of the present invention.

The sensor 1 monitors the conveyance interval of the paper sheets and the vertical width of the paper sheets at the entrance of the discrimination section (the portion surrounded by the broken line in FIG. 1) when the paper sheets are conveyed in the forward direction. The sensor 2 and the sensor 2 are the same as the sensor 1 at the time of backward conveyance, and the discrimination conveyance path monitoring unit 3 uses the sensor 1 (sensor 2 at the time of backward conveyance) to convey the paper sheet and the distance between the paper sheets. A differential conveyance path monitoring unit that monitors the vertical width and instructs the data collection HW unit 4a to start data collection of paper sheets, the data collection HW unit 4a
Is a data collection HW unit that collects data of a paper sheet from a transmitted light sensor or a magnetic sensor according to an instruction from the differential conveyance path monitoring unit 3, and a paper sheet identification unit 5a is the data collected by the data collection HW unit 4a. , A paper sheet identification unit for identifying a paper sheet from the information of the chain or double feed from the discrimination conveyance path monitoring unit 3, and the conveyance path control unit 6a switches the conveyance path according to the identification result from the paper sheet identification unit 5a. The transport path control unit that operates the valve, the valve 7 is a switching valve that switches the transport path by the transport path control unit 6a during forward transport, and the valve 8 is the same valve during reverse transport.

First, the process from the start of data collection to the switching of the transport path when no chain or double feed occurs during transport in the forward direction will be described.

When the discriminating / conveying path monitoring unit 3 detects the leading edge of the sheet under the sensor 1, the discriminating / conveying path monitoring unit 3 instructs the data collecting HW unit 4a to start data collection. The data collection HW unit 4a collects the transmitted light and magnetic data of the paper sheet and transfers the data to the paper sheet identification unit 5a when the collection is completed.
The paper sheet identification unit 5a collates the transmitted light data and the magnetic data with the dictionary data, and notifies the conveyance path control unit 6a of the identification result. The transport path control unit 6a switches the valve 7 according to the identification result.

Next, the processing when a chain occurs in the forward transport will be described with reference to FIGS. 1 and 2.

FIG. 2 is a diagram for explaining the chain operation of the paper sheet conveying apparatus of this embodiment.

In FIG. 2, a paper sheet A is a paper sheet on the front side of an interval determined to be a chain, and a paper sheet B is a paper sheet on the rear side of an interval determined to be a chain. Class C is paper sheet B
It is a paper sheet that is not the next chain.

The discriminating / conveying path monitoring unit 3 instructs the data collecting HW unit 4a to start data collection for the paper sheet A, and after the data collection is completed, the paper sheet identifying unit 5a performs dictionary collation. On the other hand, the discriminating / conveying path monitoring unit 3 monitors the distance between the sensor 1 and the paper sheet B, which is the next paper sheet to be conveyed, determines that it is a chain, and notifies the paper sheet discriminating unit 5a. Further, in this case, the instruction to start data collection is not given to the paper sheet B. In the paper sheet identification unit 5a, the identification result for the paper sheet A is chained,
The conveyance path control unit 6a is notified. The transport path control unit 6a switches the transport path according to the identification result “chain”, does not switch the valve 7 for the paper sheet B, and transports the same transport path as the paper sheet A. Further, the discrimination conveyance path monitoring unit 3 monitors the front end of the paper sheet C from the rear end of the paper sheet B, and when it determines that the paper sheet C is not a chain, starts collecting data and obtains the identification result of the paper sheet C. , The valve 7 is switched according to the identification result. In this way, even when a chain occurs, the identification of the next paper sheet can be restarted, so that the paper sheet can be conveyed without stopping the feeding.

The process when double feed occurs in the forward transport will be described with reference to FIGS. 1 and 3.

FIG. 3 is a view for explaining the double feed operation of the paper sheet conveying apparatus of this embodiment.

In FIG. 3, a paper sheet D is a paper sheet that is determined to be double-fed, a paper sheet E is a paper sheet that is a chain after double feed, and a paper sheet F is a double-feed chain. It is a paper sheet with a normal interval.

The discriminating / conveying path monitoring unit 3 instructs the data collecting HW unit 4a to start data collection for the paper sheet D, and further monitors the vertical width of the paper sheet D. Data collection HW unit 4a
After the data collection, the data is transferred to the paper sheet identifying unit 5a, and the paper sheet identifying unit 5a performs dictionary matching. On the other hand, when the sensor 1 determines that the vertical width of the paper sheet D indicates double feed, the discrimination conveyance path monitoring unit 3 notifies the paper sheet identification unit 5a. In the paper sheet identification unit 5a, the identification result for the paper sheet D is double-fed and is notified to the conveyance path control unit 6a.
The conveyance path control unit 6a switches the conveyance path according to the identification result “double feed”. The process of the discrimination conveyance path monitoring unit 3 for the paper sheet E that is a chain after the double feed does not give an instruction to start the data collection and does not notify the chain.

The paper sheet E is conveyed through the same conveyance path as the paper sheet D. The process of the discrimination conveyance path monitoring unit 3 for the paper sheet F having the normal interval after the double feed is performed by the data collection H.
Instruct the W unit 4a to start data collection. Paper sheet identification unit 5
The discrimination result is obtained in a, and the valve 7 is switched according to the discrimination result.

In this way, even when double feed occurs, the identification of the next paper sheet can be resumed, so that the paper sheet can be conveyed without stopping the feeding.

Even when the sheet is conveyed in the reverse direction, the sensor 2 and the valve 8 are used to perform the same processing as that in the case where the sheet is conveyed in the forward direction, so that the sheets can be identified. Since the identification of the paper sheet can be restarted, the paper sheet can be conveyed without stopping the feeding.

The transmitted light sensor shown in FIG. 1 is a sensor used by the data collection HW unit 4a to collect a transmission pattern of a paper sheet pattern, and a magnetic sensor is used by the data collection HW unit 4a. The thickness detecting sensor is a sensor for collecting the magnetic pattern of the paper sheet, and the thickness detecting sensor is a sensor for detecting whether the thickness of the paper sheet is normal or abnormal in the data collecting HW 4a.

[0044]

As described above, the paper sheet conveying apparatus of the present invention has sensors for forward direction conveyance and reverse direction conveyance, and these sensors are used for the sheet conveyance interval and the paper sheets. By having the function of monitoring and processing the vertical width of the paper, even if a chain or double feed occurs during the forward transport, the feeding of the paper sheets is not stopped and the fed paper sheets after the chain or double feed are stopped. Can also be continuously identified, and the processing time for the specified number of sheets can be shortened, and the data collection and identification of the paper sheets can be performed in the same way even when the paper is conveyed in the reverse direction, and the processing time for the specified number of sheets can be reduced. It is possible to shorten the processing time, and it is possible to collect and identify the data of the paper sheet in both forward and backward bidirectional transportation of the paper sheet, and it is possible to shorten the processing time.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of a paper sheet conveying apparatus of the present invention.

FIG. 2 is a diagram for explaining a chain operation of the paper sheet conveying apparatus according to the present embodiment.

FIG. 3 is a diagram for explaining a double feed operation of the paper sheet conveying apparatus according to the present embodiment.

FIG. 4 is a configuration diagram of an example of a conventional paper sheet transporting device.

FIG. 5 is a configuration diagram of a conventional paper sheet conveying device disclosed in Japanese Patent Laid-Open No. 63-49895.

FIG. 6 is a configuration diagram of a chain paper sheet rejection control device of the conventional Japanese Patent Laid-Open No. 57-42439.

[Explanation of symbols]

1 sensor (for forward transfer) 2 sensor (for reverse transfer) 3 discrimination transfer path monitoring section 4a, 4b data collection HW section 5a, 5b paper sheet identification section 6a, 6b transfer path control section 7 valve (forward transfer) 8) Valve (for reverse conveyance) 9 Feeding mechanism 10 Conveyance path 11 Paper sheet discriminating section 12 Sorting gate 13 First paper sheet storage mechanism 14 Second paper sheet storage mechanism 15 Transport source storage section 16 Conveyance path 17 Money type front and back discriminating device 18 gate 19, 20, 21 transfer path 22, 23, 24 destination storage 25, 26, 27, 28, 29, 30, 31 bill detector

Claims (2)

[Claims] 1. A data collection HW unit that collects transmitted light data and magnetic data of a paper sheet, and a conveyance path that conveys the paper sheet under the data collection HW unit, and monitors the data collection HW.
A stack or a plurality of sheets are overlapped and conveyed when a section is instructed to start collection and the conveyance interval of the sheets is shorter than the interval corresponding to the operation time of the conveyance path switching valve that switches the conveyance path. A differential conveyance path monitoring unit that determines and notifies double feed, and a paper sheet that identifies a paper sheet from the data collected by the data collection HW unit and the chain or double feed information notified from the differential conveyance path monitoring unit A paper sheet conveying apparatus comprising: a paper classifying unit; and a paper path controlling unit that operates a paper path switching valve based on a result of the paper sheet identifying unit. 2. A first sensor for monitoring a conveyance interval of the paper sheets and a vertical width of the paper sheets at an entrance of a discriminating section for discriminating the paper sheets during the forward conveyance, and a reverse direction conveyance time. It has a second sensor for monitoring the conveyance interval of the paper sheet and the vertical width of the paper sheet at the entrance of the discrimination section, and the conveyance path control section detects the paper sheet in the conveyance path. It has a function of controlling the paper to be conveyed in both the forward and reverse directions, and the discrimination conveyance path monitoring unit uses the first and second sensors at the discrimination unit entrance to convey the paper sheet and the paper. 2. The paper sheet conveying apparatus according to claim 1, further comprising a function of monitoring a vertical width of the leaves and instructing the data collection HW unit to start data collection of the paper sheets.