JP2533536Y2 - Roller feeder with cleaning mechanism - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller feeder with a cleaning mechanism.

[0002]

2. Description of the Related Art In a medium processing apparatus such as a card processing apparatus for processing cards, such as a card reader, and a form processing apparatus for processing checks, slips, etc., a transport roller and a pinch roller, each of which is composed of a rubber roller having a large friction coefficient, are used. In general, the medium is used to transport the medium. As an example of the medium processing device, there is a recycling card system used in a pachinko playground or the like. In this system, when a player puts a winning ball into a counting machine, an attached card issuing machine magnetically records a point corresponding to the number of winning balls and issues a card on which an image is displayed. When this card is inserted into the prize exchange and a desired prize is designated, the prize corresponding to the possessed point is released. After the magnetic recording and the image information are erased, the card inserted into the prize exchange machine is stored in the card stacker of the card storage machine and collected. The recovered card is transferred to a card issuing machine and issued again.
The recycled card is sent out of the card stacker in the card issuing machine, and is stored in the card stacker in the card storage machine. A transport roller for transporting a card is provided in the card stacker of each apparatus.

[0003]

[Problems to be Solved by the Invention] Recycled cards used in pachinko amusement arcades and the like are repeatedly used, so that the degree of dirt due to hand marks and food and drink is large. For this reason, the transport roller for feeding the card in the device that issues and collects the card is also contaminated at an early stage. As the contamination of the transport rollers progresses, the coefficient of friction decreases, and a reliable card feeding operation cannot be performed. In order to solve this, the outer peripheral surface must be cleaned or the roller itself needs to be replaced.However, it is not necessary to clean the conveying roller provided in a narrow place until the friction coefficient is restored. This is an extremely cumbersome task.

Japanese Utility Model Laid-Open No. 59-100357 proposes a device for constantly adhering to the peripheral surface of a conveying roller to adsorb the dirt of the roller. In the case of a transporting roller, a cleaning effect cannot be expected. There is an experimental result that dirt such as hand grime and food and drink cannot be easily removed even by cleaning with a cleaning card or alcohol. Also,
It is only necessary to replace the dirty transport roller, but there is a problem that the roller fixing screw must be loosened or tightened using a tool, which is a troublesome work in a narrow place. .

Accordingly, an object of the present invention is to provide a roller feeder with a cleaning mechanism that can easily restore the coefficient of friction of a transport roller.

[0006]

According to the present invention, there is provided a roller feeder with a cleaning mechanism for transporting a medium such as a form by a transport roller which is rotationally driven, wherein a cleaning position in contact with the transport roller and a standby position separated from the cleaning roller. A polishing roller that can be displaced between the polishing roller, a polishing roller contacting / separating unit that displaces the polishing roller between a cleaning position and a standby position, and a polishing roller that is disposed at a position where the polishing roller contacts when the polishing roller occupies the standby position. A contact member for minutely rotating the polishing roller when the polishing roller comes into contact, and a rotation in the minute rotation direction of the polishing roller to prevent rotation by the transport roller when the polishing roller occupies a cleaning position; And a one-way clutch.

[0007]

When the polishing roller contact means is operated and the polishing roller comes into contact with the peripheral surface of the transport roller, the peripheral surface of the transport roller is polished and cleaned. When the cleaning is completed, the contacting / separating means is operated to separate the polishing roller from the transport roller, and the contacting member slightly rotates the polishing roller. The next cleaning of the transport roller is performed on a new peripheral surface of the polishing roller that has been slightly rotated.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.

In FIG. 1, reference numeral 1 denotes a rotating shaft which is driven to rotate in the direction of arrow a by a driving source (not shown).
A transport roller 2 composed of a cored bar 2a and an elastic layer 2b made of rubber or the like is inserted through and fixed to the shaft. Transport roller 2
The polishing roller 3 is disposed beside the. The polishing roller 3 is rotatably held via a shaft 6 at one end 5 a of an arm 5 supported swingably by a pivot 4. A one-way clutch 7 is provided between the shaft 6 and the polishing roller 3 for rotating the polishing roller only in one direction indicated by an arrow b. The polishing roller 3 has a surface structure capable of polishing the surface of the transport roller 2 to reproduce the friction coefficient of the surface.

The other end 5b of the arm 5 is connected to a contact / separation means 8 comprising a return spring 8a and a solenoid 8b. The return spring 8 a gives the arm 5 a swinging behavior in a direction of separating the polishing roller 3 from the peripheral surface of the transport roller 2. The solenoid 8b is turned on in a cleaning mode incorporated in the start mode at the time of starting the card processing apparatus, and is turned on for a predetermined time (0.5 to 1).
Second) or by turning on a cleaning switch (not shown) which is manually operated to swing the arm 5 to bring the polishing roller 3 into contact with the transport roller 2.

FIG. 1 shows a state in which the polishing roller 3 is separated from the conveying roller 2 and is placed at a standby position.
The polishing roller 3 placed at the standby position is stopped by bringing its peripheral surface into contact with the contact member 9. The contact member 9
The polishing roller 3 is disposed obliquely on the movement locus of the polishing roller 3 and fixed, or is provided so as to be slightly bent when pushed by a roller returning to the standby position. This contact member 9
When the polishing roller 3 returns to the standby position or moves from the standby position to the cleaning position (see FIG. 2), it comes into contact with the polishing roller and slightly rotates the roller in the direction of arrow b. .

When the solenoid 8b is turned on and the polishing roller 3 is brought into contact with the transport roller 2, the pressing force is 50 g.
The stroke and lever ratio of the solenoid can be determined so as to be about 100 g.

When the polishing roller 3 is placed at the cleaning position shown in FIG. 2, the arm 5 is provided with a dust receiver 10 for receiving polishing dust located below the polishing portion of the transport roller 2.

The operation of the embodiment configured as described above will be described. When the surface of the transport roller 2 is polished and cleaned, the roller 3 is driven to rotate in the direction of arrow a. When the solenoid 8b is turned on while the polishing roller 3 is separated from the conveyance roller 2 as shown in FIG. 1, the arm 5 swings against the return spring 8a as shown in FIG. The polishing roller 3 is brought into contact with the peripheral surface 2c of the transport roller 2 with a predetermined pressing force.

Since the rotation of the polishing roller 3 placed at the cleaning position shown in FIG. 2 is regulated by the one-way clutch 7, it cannot rotate in the rotation direction of the transport roller 2. Therefore, the relatively fixed polishing roller 3
Grinds and cleans the peripheral surface 2c of the transport roller 2 to restore its friction coefficient. When the energizing time to the solenoid 8b elapses, the polishing roller 3
Due to the resiliency of a, it is returned to the standby position shown in FIG.

Polishing roller 3 when returning to standby position
Is slightly arrow b
Stop after being rotated in the direction. By rotating the polishing roller 3, a new polishing surface polishes the transport roller 2 at the next cleaning.

To place the polishing roller 3 in the cleaning position, as described above, the start mode for starting the card processing device may be included. However, in the case of a processing device installed in an environment with a high degree of contamination, Alternatively, the cleaning mode may be executed at regular intervals using a timer.

In order to grind the peripheral surface of the transport roller 2, a non-roll abrasive material, for example, a plate-like abrasive material, may be brought into contact with the transport roller. However, the dirty transport roller is polished and cleaned. In this case, the repetition of the operation is indispensable. Therefore, the polishing surface of the abrasive needs to be new, and a columnar abrasive such as the polishing roller 3 is optimal.
Therefore, the polishing roller is not limited to a columnar shape, but includes a polygonal column shape.

In the above description, an example of transporting a recycle card, which is particularly badly contaminated, has been given.
Needless to say, the present invention can be applied to an apparatus for transporting a medium that is easily soiled such as a check or a form such as a slip.

[0020]

According to the present invention, in a roller feeder with a cleaning mechanism for transporting a medium such as a form by a transport roller, the polishing roller rotates minutely at its standby position, so that the transport roller is always a new surface of the polishing roller. , The friction coefficient of the transport roller can be easily restored, and the transport capacity can be kept constant.

[Brief description of the drawings]

FIG. 1 is a front view illustrating a main part of a roller feeding device with a cleaning mechanism according to an embodiment of the present invention.

FIG. 2 is an operation view of the same showing a state in which a polishing roller is placed at a cleaning position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Rotary shaft 2 ... Conveying roller 3 ... Polishing roller 5 ... Arm 7 ... One-way clutch 8 ... Contact / separation means

Claims (1)

(57) [Scope of request for utility model registration] 1. A roller feeder for transporting a medium such as a card or a form by a transport roller driven to rotate, a polishing roller displaceable between a cleaning position in contact with the transport roller and a standby position separated from the cleaning roller; A polishing roller contacting / separating means for displacing the polishing roller between a cleaning position and a standby position; and a polishing roller disposed at a position where the polishing roller comes into contact when the polishing roller occupies the standby position. A roller feeder with a cleaning mechanism, comprising: a contact member for slightly rotating a polishing roller; and a one-way clutch for allowing the polishing roller to rotate only in the same direction as the transport roller.