JPH09212704A - Paper powder removing device and paper money identifying device provided with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove paper powder on a carrier roller surface without any manual work by providing a paper powder removing device in the neighborhood of the carrier roller so as to be freely attachable/detachable, permitting its pawl part to abut on the surface of the carrier roller and removing paper powder on the surface at the time of rotating the carrier roller. SOLUTION: Paper powder is stuck on the surface of the fourth carrier roller 8b on the lower part side. Paper powder is scraped off and removed by the pawl part 24 of the paper powder removing device 15 which is abutted on the surface of the fourth carrier roller 8b. That is, when the rotation speed of the fourth carrier roller 8b becomes more than a prescribed fixed speed, a control part 27 starts energizing against a solenoid 26 so as to excite it, a rotary lever 23 is rotated by the pressing force of a spring 25, the pawl part 24 is abutted on the surface of the fourth carrier roller 8b and paper powder is removed. When the identification of paper money is completed, the energizing to the solenoid 26 is stopped, the rotary lever 23 is rotated in the clockwise direction and the pawl part 24 is separated from the surface of the fourth carrier roller 8b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper dust removing device for removing paper dust adhering to a conveying roller and a bill discriminating device provided with this paper dust removing device.

[0002]

2. Description of the Related Art A bill identifying device conveys a bill taken from a bill inlet of its main body by rotating a feeding roller, and identifies the shape, magnetism, color, thickness, etc. of the bill during the conveyance. It is like this.

When a bill is conveyed by the rotation of the conveying roller, paper dust or dust of the bill adheres to the surface of the conveying roller. Therefore, the surface of the transport roller is regularly cleaned with chemicals or the like.

[0004]

However, in the prior art, the paper dust, dust, and the like adhering to the conveying rollers were regularly cleaned manually, so there was the inconvenience that maintenance was time-consuming.

Further, since the carrying roller is not always cleaned, it is liable to get dirty, and the carrying roller needs to be replaced many times, resulting in an increase in cost. Therefore, according to the present invention, a paper dust removing member is provided in the vicinity of the carrying roller, and the paper dust removing member is brought into contact with the surface of the carrying roller, whereby the paper dust, dust, and the like on the surface of the carrying roller can be removed manually. An object of the present invention is to provide a paper dust removing device and a bill identifying device including the paper dust removing device.

[0006]

In order to solve the above-mentioned problems, the invention according to claim 1 is such that by rotating it, a conveying roller for conveying the paper sheet and a detachable member near the conveying roller. And a paper dust removing member for contacting the front end portion with the surface of the transport roller and removing the paper dust on the surface when the transport roller rotates.

According to a second aspect of the present invention, a conveyor roller for conveying sheets by rotating, and a conveyor roller detachably provided in the vicinity of the conveyor roller, the front end of which is in contact with the surface of the conveyor roller, A heat-resistant paper dust removing member that removes paper dust on the surface of the transport roller when it rotates.

According to a third aspect of the present invention, by rotating, a conveying roller for conveying the paper sheet, a supporting member detachably provided in the vicinity of the conveying roller, and a rotatably mounted on the supporting member. The attached rotation lever, the claw portion provided at one end of the rotation lever, and the other end side of the rotation lever are elastically biased to bring the claw portion into contact with the transport roller. And a biasing member for removing paper dust on the surface of the transport roller when the transport roller rotates.

According to a fourth aspect of the present invention, by rotating, a conveying roller for conveying the paper sheet, a supporting member detachably provided in the vicinity of the conveying roller, and a rotatably mounted on the supporting member. The attached rotation lever, the claw portion provided at one end of the rotation lever, and the other end side of the rotation lever are elastically biased to bring the claw portion into contact with the transport roller. And a biasing means for controlling the biasing force of the biasing means so that the pawl portion is separated from the transport roller before the transport roller is rotated and the transport roller is rotated, and then the biasing means is biased. And a control unit that brings the claw portion into contact with the transport roller by a force.

According to a fifth aspect of the present invention, by rotating, a conveying roller for conveying the paper sheet, a supporting member detachably provided in the vicinity of the conveying roller, and a supporting member rotatably supported by the supporting member. The attached rotation lever, the claw portion provided at one end of the rotation lever, and the other end of the rotation lever are elastically biased to bring the claw portion into contact with the conveyance roller. And a biasing means for controlling the biasing force of the biasing means so that the pawl portion is separated from the transport roller before the transport roller is rotated, and the transport roller is rotated so that the number of rotations thereof is not less than a certain value. Control means for bringing the claw portion into contact with the conveying roller by the urging force of the urging means.

According to a sixth aspect of the present invention, by rotating, a conveying roller that conveys paper sheets, an identifying means for identifying a bill conveyed by the conveying roller, and a detachable member near the conveying roller. A paper dust removing member is provided, the tip of which abuts on the surface of the transport roller and removes the paper dust on the surface of the transport roller when the transport roller rotates.

According to the present invention, a paper dust removing member is detachably provided in the vicinity of the carrying roller, and its tip end is brought into contact with the surface of the carrying roller to remove the paper dust on the surface when the carrying roller is rotated. It is possible to remove the paper dust adhering to the surface of the transport roller without manual labor.

Further, the paper dust removing member is detachably provided so that the maintenance and inspection of the paper dust removing member can be facilitated. Further, by making the paper dust removing member heat resistant, it is possible to improve durability against heat generated by friction with the transport roller.

Further, the contact of the claw portion for removing paper dust after the conveyance roller is rotated makes it possible to reduce the abrasion of the claw portion. Further, the paper dust removing claw portion is brought into contact with the transport roller when the number of rotations of the transport roller exceeds a predetermined value, whereby the load on the drive system of the transport roller can be reduced.

[0015]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described below with reference to an embodiment shown in the drawings. FIG. 2 shows the overall structure of the bill validator. In the figure, reference numeral 1 is a main body of the apparatus, and a bill inlet 2 is provided on one side surface portion of the main body 1, and a bill outlet 3 is provided on the other side surface portion. The banknote inlet 2 and the banknote outlet 3 are communicated with each other via a banknote transport path 4 provided in the apparatus body 1. In the banknote transport path 4, first to fourth transport roller pairs 5a, 5b to 8a, 8b are arranged at predetermined intervals along the banknote S transport direction.

First and second conveying rollers 5a, 5b to 8
The drive motor 9 drives the motors a and 8b to rotate in the direction of the arrow. A shape detection unit 10 as an identification unit that detects the shape of the banknote S is provided between the upper first transport roller 5a and the second transport roller 6a. A magnetic detection unit 11 that detects the magnetism of the bill is provided near the upper second transport roller 6a. A color detector 12 that detects the color of the banknote S is provided between the upper second transport roller 6a and the third transport roller 7a. A speed detection unit 13 that detects the conveyance speed of the banknote S is provided between the third conveyance roller 7a and the fourth conveyance roller 8a on the upper side. The thickness detection unit 14 that detects the thickness of the banknote S is provided on the fourth transport roller 8a on the upper side.
Is provided.

A paper dust removing device 15 according to the present invention is provided near the lower fourth conveying roller 8b. FIG. 1 shows a paper dust removing device 15.

That is, reference numeral 21 in the drawing denotes a support member detachably provided near the lower fourth conveying roller 8b,
A pivot lever 23 is rotatably attached to one end of the support member 21 via a support shaft 22. One end of the rotating lever 23 has a heat-resistant synthetic resin claw portion 24.
Is provided. The biasing member 25 is provided with a spring 25a for generating a biasing force, and this spring 25a elastically presses the other end side of the rotating lever 23,
It rotates counterclockwise to move the pawl portion 24 to the fourth conveyance roller 8b.
It comes in contact with the surface of.

A solenoid 26 is connected to one end of the support member 21. The solenoid 26 is the control unit 2
The energization is controlled by 7. That is, when the drive motor 9 is stopped and the transport rollers 5b to 8b are not rotated, the solenoid 26 is not energized, the spring 26a causes the link 26b to move leftward, and the urging means 25 moves clockwise. Is rotated,
The pin 25b rotates the rotating lever 24 in the clockwise direction so that the claw portion 24 separates from the surface of the fourth transport roller 8b as shown in FIG.

Further, when the drive motor 9 is driven and the conveying rollers 5b to 8b are rotated, whereby the bill S is conveyed and its conveying speed is detected by the speed detecting unit 13, the control unit 27 conveys it. The rotation speed of the transport rollers 5b to 8b is calculated from the speed, and when the rotation speed exceeds a certain value, energization of the solenoid 26 is started, the link 26b is moved to the right, and the biasing member 25 is rotated counterclockwise to rotate the spring. 25a causes the pawl portion 24 of the turning lever 23 to move to the fourth position.
The contact roller 8b is brought into contact with the surface thereof.

Next, the operation of the bill validator will be described. When the banknote S is conveyed to the banknote inlet 2 of the apparatus body 1, the first conveyance roller pair 5a, 5b is rotated to convey the bill S to the conveyance path 4 in the apparatus body 1 and the first conveyance roller pair. The shape is identified by the shape detector 10 while being conveyed from the pair of conveying rollers 5a and 5b to the second pair of conveying rollers 6a and 6b. The banknote S whose shape has been identified is held by the second pair of conveying rollers 6a and 6b, is conveyed into the conveying path 4 and is guided to the third pair of conveying rollers 7a and 7b as described above. While the bill S is being conveyed from the second pair of conveying rollers 6a, 6b to the third pair of conveying rollers 7a, 7b, the magnetic detection means 11
The magnetic field and the color detection unit 12 identify the magnetism and the color. The banknote S of which the magnetism and the color are identified is held by the third roller pair 7a, 7b, conveyed in the conveyance path 4 in the same manner as described above, and guided to the fourth conveyance roller pair 8a, 8b. The banknote S is transported from the third pair of transport rollers 7a, 7b to the fourth pair of transport rollers 8a, 8b while the speed detector 1
3, the transportation speed of the banknote S to be transported is checked. The thickness of the banknote S is identified by the thickness detection unit 14 when the banknote S passes through the fourth transport roller pair 8a, 8b. The banknote S that has passed through the fourth transport roller pair 8a8b is carried out of the apparatus main body 1.

At the time of identifying the bill S, paper dust adheres to the surface of the lower fourth conveying roller 8b. The paper dust is scraped and removed by the claw portion 24 of the paper dust removing device 15 that contacts the surface of the fourth transport roller 8b.

That is, when the rotation speed of the fourth conveying roller 8b becomes a certain number or more, the control unit 27 starts energizing the solenoid 26 to excite the solenoid 26 and rotate it by the pressing force of the spring 25. The lever 23 is rotated and its claw portion 24 is brought into contact with the surface of the fourth transport roller 8b, and the paper dust is removed.

When the bill S is identified, the energization of the solenoid 26 is stopped, the turning lever 23 is turned clockwise in accordance with the biasing means, and the claw portion 24 of the turning lever 23 is turned to the fourth conveying roller 8b. Away from the surface.

As described above, the paper dust removing device 15 is detachably provided in the vicinity of the carrying roller 8b, and the claw portion 24 of the paper dust removing device 15 is brought into contact with the surface of the carrying roller 8b.
Since the paper dust on the surface is removed during the rotation of, the paper dust on the surface of the transport roller 8b can be removed without manual labor.

Further, since the paper dust removing device 15 is detachably provided, maintenance and inspection of the paper dust removing device 15 becomes easy. Further, since the paper dust removing claw portion 24 is made heat resistant, the durability against heat generated by friction with the transport roller 8b can be improved.

Further, after the transport roller 8b is rotated,
Since the claw portion 24 for removing paper dust is brought into contact with the transport roller 8b, wear of the claw portion 24 can be reduced. In addition, the transport roller 8
When the number of rotations of b reaches a certain value or more, the claw portion 24 for removing paper dust is brought into contact with the conveyance roller 8b.
It is possible to reduce the load fluctuation of the drive system of b.

[0028]

As described above, according to the present invention, a paper dust removing member is removably provided in the vicinity of the carrying roller, and the tip end thereof is brought into contact with the surface of the carrying roller, and the surface of the carrying roller is rotated when the carrying roller is rotated. Since the paper dust is removed, the paper dust attached to the surface of the transport roller can be removed without manual labor, and the maintenance becomes easy.

Further, since the paper dust removing member is detachably provided, maintenance and inspection of the paper dust removing member can be facilitated. Further, since the paper dust removing member is heat resistant, it has excellent durability against heat generated by friction with the conveying roller.

Further, since the pawl portion for removing paper dust is brought into contact with the conveyance roller after the conveyance roller is rotated, abrasion of the pawl portion can be reduced. Further, when the number of rotations of the carrying roller becomes a certain number or more, the paper dust removing claw portion is brought into contact with the carrying roller, so that the load fluctuation of the driving system of the carrying roller can be reduced,
The detection accuracy of the bill validator can also be favorably maintained.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a paper dust removing device according to an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram showing a bill validator.

FIG. 3 is a diagram illustrating a state in which a claw portion of the paper dust removing device is separated from a transport roller.

[Explanation of symbols]

 S ... Banknote 8b ... Conveying rollers 10-14 ... Identification means 15 ... Paper dust removing device 21 ... Support member 23 ... Rotating lever 24 ... Claw 25 ... Biasing means 26 ... Solenoid (control means)

Claims (6)

[Claims] 1. A conveying roller that conveys a sheet by rotating, and a detachable member provided in the vicinity of the conveying roller, the front end of which is in contact with the surface of the conveying roller, and when the conveying roller rotates. A paper dust removing device, comprising: a paper dust removing member for removing paper dust on the surface thereof. 2. A conveying roller that conveys paper sheets by rotating, and a detachable member provided in the vicinity of the conveying roller, the front end of which comes into contact with the surface of the conveying roller, and when the conveying roller rotates. A paper dust removing device comprising: a heat-resistant paper dust removing member for removing paper dust on the surface thereof. 3. A conveying roller which conveys paper sheets by rotating, a supporting member detachably provided in the vicinity of the conveying roller, and a rotating lever rotatably attached to the supporting member. And a claw portion provided at one end of the rotation lever and the other end of the rotation lever are elastically biased to bring the claw portion into contact with the conveyance roller to move the conveyance roller. A paper dust removing device comprising: an urging member that removes paper dust on the surface when rotating. 4. A conveying roller that conveys paper sheets by rotating, a supporting member that is detachably provided near the conveying roller, and a rotating lever that is rotatably attached to the supporting member. A claw portion provided at one end portion of the rotation lever, and a biasing means for elastically biasing the other end portion side of the rotation lever so as to bring the claw portion into contact with the transport roller, Before the conveyance roller rotates by controlling the urging force of the urging means, the claw portion is separated from the conveyance roller, and after the conveyance roller rotates, the claw portion is urged by the urging force of the urging means. And a control means for bringing the paper roller into contact with the conveying roller. 5. A conveyance roller that conveys paper sheets by rotating, a support member that is detachably provided near the conveyance roller, and a rotation lever that is rotatably attached to the support member. A claw portion provided at one end of the rotation lever, and an urging means that elastically urges the other end of the rotation lever to bring the claw portion into contact with the transport roller. Before the conveyance roller is rotated by controlling the urging force of the urging means, the rotation lever is rotated to separate the claw portion from the conveyance roller, and the conveyance roller is rotated to reduce the number of rotations. A paper dust removing device comprising: a control unit that causes the claw portion to come into contact with the transport roller by the urging force of the urging unit when the amount exceeds a certain level. 6. A conveying roller that conveys paper sheets by rotating, a discriminating means for discriminating bills conveyed by the conveying roller, and a detachable portion provided in the vicinity of the conveying roller. And a paper dust removing member that is in contact with the surface of the transport roller and removes paper dust on the surface of the transport roller when the transport roller rotates.