A paper sheet thickness detection device and a note processing device

A technology for thickness detection and paper sheets, which is applied in the field of paper sheet thickness detection devices, can solve the problems of not considering the change of detection sensitivity, not considering the thermal deformation of the shell, etc., and achieve the effect of accurate detection

Active Publication Date: 2015-03-25
HITACHI OMRON TERMINAL SOLUTIONS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The device described in Patent Document 1 does not take into account the elimination of fluctuations in detection sensitivity due to thermal deformation of the housing on which the reference roller, detection roller, and displacement detection sensor are mounted.
[0011] In addition, the device described in Patent Document 2 is an effective mechanism for reducing the gap between the bearing of the fixed roller and the housing caused by temperature changes, but does not consider the thermal deformation of the housing in the axial direction.
[0012] In addition, the device described in Patent Document 3 is a method of performing offset correction, gain correction, and eccentricity correction, but does not take into account the elimination of fluctuations in detection sensitivity due to temperature changes.

Method used

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  • A paper sheet thickness detection device and a note processing device
  • A paper sheet thickness detection device and a note processing device
  • A paper sheet thickness detection device and a note processing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] use figure 1 , figure 2 , image 3 The sheet thickness detecting device according to the embodiment of the present invention will be described.

[0041] figure 1 It is an overview diagram showing a general configuration of a sheet thickness detection device.

[0042] figure 2 yes figure 1 Cross-sectional view of the thickness detection device.

[0043] image 3 will be figure 2 Enlarged image.

[0044] exist figure 1 , figure 2 Among them, the sheet thickness detection device 1 is provided with reference rollers 5 a to 5 j that rotate by transmitting a rotational force through a rotational drive mechanism (not shown). The reference rollers 5 a to 5 j are provided on the rotating shaft 3 . The detection rollers 11a to 11j are provided on the rotating shaft 10 and rotate in a driven manner with the rotation of the reference rollers 5a to 5j. The thickness of the sheet is detected by the detection rollers 11a to 11j moving upward according to the thickness o...

Embodiment 2

[0059] use Figure 4 Embodiment 2 of the present invention will be described. Furthermore, due to the figure 2 The same reference numerals denote the same components, so descriptions thereof will be omitted.

[0060] exist Figure 4 In this embodiment, the frame 2 made of aluminum is changed to one made of resin in consideration of cost reduction, and the metal parts 50 and 51 are insert-molded on the resin frame 2 . Thereby, the resin frame 2 and the metal members 50 and 51 are combined and integrated.

[0061] That is to say, on the metal parts 50, 51 there are figure 2 The mounting holes 30 , 40 , 36 , 46 of the ball bearings penetrating the metal members 50 , 51 are identical, and the mounting holes 30 , 40 are provided with screw holes for steps 31 , 41 and stop screws 35 , 45 . The metal members 50, 51 are preferably made of the same material as the ball bearings 6, 8, 14, 16, or materials with the same or close coefficient of thermal expansion. Specifically, alu...

Embodiment 3

[0067] use Figure 5 Other embodiments of the present invention will be described. Furthermore, due to the figure 2 The same reference numerals denote the same components, so descriptions thereof will be omitted.

[0068] Figure 5 is to make Figure 4 The metal parts 50 and 51 shown are the other metal parts 52 and 53 and are fixed to the resin frame 2 by set screws 54 , 55 , 56 and 67 . In addition, metal parts 52, 53 are provided with figure 2 The mounting holes 30, 40, 36, 46 of the same ball bearings that pass through the metal parts 52, 54 are provided with the threaded holes of the level difference 31, 41 and the stop screw 35, 45, and the supply and stop in the mounting holes 30, 40. The through hole that movable screw 54,55,56,57 inserts. In addition, the metal members 52, 53 are preferably made of the same material as the ball bearings 6, 8, 14, 16, or materials with the same or close coefficient of thermal expansion. Specifically, aluminum, stainless steel,...

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PUM

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Abstract

The invention provides a paper sheet thickness detection device which can be disposed on an automatic note processing device and accurately detect altered notes bound with tapes. The paper sheet thickness detection device comprises a housing supporting detection rollers and reference rollers in a rotary manner, and a plurality of displacement detection sensors disposed on the upper surface, which is opposite to the detection rollers, of the housing and used for detecting displacements of the detection rollers. The paper sheet thickness detection device is used for detecting the thicknesses of paper sheets conveyed through contact parts between the reference rollers and the detection rollers. Inner rings of ball bearings are fixed to the both ends of a rotating shaft of the reference rollers and a rotating shaft of the detection rollers; outer rings of the ball bearings fixed to the ends of one of the rotating shafts of the reference rollers and the detection rollers are fixed to installation holes of the housing; and the outer rings of the ball bearings installed on the ends of the other rotating shaft of the reference rollers and the detections rollers are inserted in the installation holes of the housing.

Description

technical field [0001] The present invention relates to a paper sheet thickness detection device and a banknote processing device. Background technique [0002] The automatic teller machine is generally installed in a banknote handling device, an automatic vending machine, and the like. Since it is necessary to discriminate whether or not the banknotes to be handled have been tampered with by tape, paper, etc., it is important to have a banknote judging device in the banknote handling apparatus, automatic vending machine, and the like. [0003] A conventional banknote determination device for discriminating banknotes or the like altered with adhesive tape, paper, or the like is described in Japanese Unexamined Patent Application Publication No. 6-49442 (Patent Document 1). [0004] The paper sheet thickness detection device described in this patent document 1 has a reference roller driven to rotate and a detection roller driven to rotate. between the circle and the axis of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07D7/16
Inventor 吉田隆盐见英介麦健忠
Owner HITACHI OMRON TERMINAL SOLUTIONS CORP
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