Paper sheet separating mechanism

A separation mechanism and paper sheet technology, applied in pile separation, object separation, banknote processing equipment, etc., can solve the problems of abnormal size paper sheets that cannot be detected immediately, paper sheets jammed, and poor separation, etc. Prevents jamming or poor separation

Active Publication Date: 2008-06-04
OKI ELECTRIC IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the existing paper sheet separating mechanism, when paper sheets of different sizes are input, it is controllable when the paper sheet abuts against all of the plurality of pick-up rollers. When a sheet of a different size is fed such that one of the sheets abuts against the next sheet, the two sheets abutted against the pick-up roller are sent out at the same time, and an abnormality cannot be detected immediately after being separated and sent out. Presence of oversized sheets, with sheets jamming or poor separation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Fig. 1 is a diagram showing Embodiment 1 of the present invention, (a) is a plan view, (b) is a side view showing its main part, and (c) is a front view showing its main part.

[0031] In FIG. 1, 1 is a pickup roller, which is provided at the paper inlet 9 and has a high-friction member 1a on a part of the outer periphery. The high-friction member 1a has a paper sheet 10 for feeding and conveying the paper sheet. Kind of enough friction. A plurality of the pickup rollers 1 are arranged at predetermined intervals (in this embodiment, two are arranged on the left and right sides).

[0032] 2 is the delivery roller. Like the pickup roller 1, there is a high friction member 2a on a part of the outer circumference. The high friction member 2a has sufficient friction force for the paper sheet 10 to send and transport the paper sheet, and left and right. Two annular grooves 2b spanning the entire area in the circumferential direction are arranged side by side, respectively. The de...

Embodiment 2

[0050] FIGS. 10 to 16 are diagrams for explaining the operation of the second embodiment of the present invention. In the first embodiment, it is determined that the order of the light-shielding state of the first row of sensors 7 and the order of the light-shielding state of the second row of sensors 8 are different An abnormality, however, in Example 2, when the left and right sensors in the first row or the second row block light and the central sensor does not block light, it is determined to be abnormal.

[0051] Fig. 10 is a diagram showing the state of inputting paper sheets, Fig. 11 is a diagram showing a state just after the paper sheets have passed through the door, Fig. 12 is a diagram showing a light-shielding state of the right side of the sensor 7, and Fig. 13 is a diagram showing The left side of the sensor 7 is a diagram showing the light-shielding state. FIG. 14 is a diagram showing the state of sending out a paper sheet with a crack in the center. FIG. 15 and FIG...

Embodiment 3

[0061] 17 and 18 are diagrams for explaining Embodiment 3 of the present invention, FIG. 17 is a diagram showing the central light-shielding state of the sensor 7, and FIG. 18 is a diagram showing that normal paper sheets and abnormal-sized paper sheets are being used. Figure of sensor output when page types are mixed.

[0062] The second embodiment is a case where the center of the sensor 7 or the sensor 8 is not shielded from light, and the third embodiment is an example in which it is determined that the sensor 7 or the sensor 8 in the center shields light earlier than the left and right sensors 7 as abnormal.

[0063] As shown in FIG. 17, when the normal paper sheets and the abnormally sized paper sheets are fed out from the set position in a mixed state, it is also considered that the center of the sensor 7 is blocked from light first. In this case, also when the normal paper sheets 12 are sent out, when the paper sheets 12 are sent out first, the light-shielding order of the...

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Abstract

The invention provides a paper separation mechanism. The subject is to solve the problem that when papers of different sizes are put in and two pieces of paper connected with a picking roll are send out at the same time, the papers are stuck or separated badly. As a solution, the paper separation mechanism of the invention consists of a picking roll (1), a output roll (2) and a separate roll (3), rows of paper detect device arranged at the transmit direction (A). The paper detect device is arranged at the transmit direction (A) vertical to the papers (10) in a row and provided with a right, a central and a left sensor. The difference of shading sequence between the sensor (7) of the first paper detect device row and the sensor (8) of the second paper detect device row is regarded as paper abnormality, and the papers (10) are send back to a paper input opening.

Description

Technical field [0001] The invention relates to a paper sheet separation mechanism installed on an automatic cash transaction device, a cash sorting machine, and the like. Background technique [0002] In an automatic cash transaction device or the like, when paper sheets such as banknotes are put into the device, the paper sheet separation mechanism separates the banknotes one by one and transports them to the next processing system. [0003] Conventionally, as such a sheet separation mechanism, an automatic cash transaction device having a detection device composed of a plurality of sensors arranged in a row has been disclosed (see Patent Document 1). [0004] Patent Document 1: Japanese Patent Laid-Open No. 63-075994 [0005] However, in the existing paper sheet separation mechanism, when paper sheets of different sizes are thrown in, it is controllable when the paper sheets are in contact with all of the plurality of pickup rollers. If any of the paper sheets of a different s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H7/14B65H3/06B65H3/46G07D13/00
CPCG07D2211/00
Inventor 根井秀人小路伸行
Owner OKI ELECTRIC IND CO LTD
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