JPH0745811Y2 - Bill validator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a bill validator used in a vending machine, a money changer, or the like.

(Prior Art) There are various types of bill discriminating devices, including the discriminating device disclosed in Japanese Patent Application Laid-Open No. 63-8893.

The conventional identification device has a structure in which a conveyor belt is stretched at intervals on both sides of the identification section in the banknote conveying direction and the banknote is conveyed by the conveyor belt. Therefore, the identifying means is located between the above-mentioned conveying belts, and a pressing roller for pressing the bills being conveyed to the identifying means to improve the identifying accuracy is provided on the side facing the identifying means.

(Problem to be solved by the invention) However, in the above-described conventional identification device, since the conveyance means in the identification portion is provided with a considerably wide interval on the left and right with respect to the conveyance direction of the banknote, the width of the banknote in the conveyance direction. It is difficult to provide tension in the direction, and therefore, there is a problem that a portion corresponding to the identification means is wrinkled and normal identification cannot be performed. Further, if the pressing force of the pressing roller provided facing the identifying means is small, normal identification cannot be performed, and if the pressing force is large, the leading edge of the banknote cannot be fed between the identifying means and the pressing roller, causing a jam of the banknote. However, it is extremely difficult to finely adjust the pressing force of the pressing roller.

In view of this, the present invention has been made for the purpose of providing a bill validator capable of reliably carrying bills to a bill validator and easily pushing a bill to a bill validator. is there.

(Means for Solving the Problem) With the object of solving the problems of the above-mentioned conventional technology, the present invention conveys a bill inserted from a bill insertion slot to an identification section by an internal conveyance means, and this identification section In a bill validator that returns a bill that has been identified as unacceptable as a result of the identification to a bill insertion slot, a first roller provided inside the bill insertion slot near the entrance of the identification unit, and the first roller. A second roller provided on the downstream side on the same plane as the first roller, a first pulley and a second pulley which are respectively provided opposite the first roller and the second roller, and
An endless belt that is wound around a pulley and a second pulley and that conveys banknotes between the first roller and the second roller; and an identification unit that is provided between the first and second rollers and faces the endless belt. Drive means for driving the first and second rollers, first drive transmission means for transmitting the driving force of the drive means to the first and second rollers, the first drive transmission means and the first roller And the drive force to the first roller is cut off when the second roller is rotated in the bill receiving direction by the normal rotation of the driving means.
When the second roller is rotated in the bill return direction by the reverse rotation of the drive means, the second drive transmission means for driving the first roller in the reverse direction is provided.

(Operation) The banknote inserted from the banknote insertion slot is conveyed by being sandwiched between the first roller and the second roller and the endless belt wound between the first roller and the second pulley which are opposed to the first roller and the second roller. However, since the bills conveyed through the identification section are conveyed in a tensioned state by the driving force of the second roller and the first roller and the endless belt are driven by this, the bills are securely wrinkled and the like. Be transported to. At the same time, the bill is always pulled by the second roller and conveyed, so that the bill does not float on the identifying means, and the endless belt presses the bill against the identifying means for reliable identification. Further, when the banknote is returned, the driving force is transmitted to the first roller through the second drive transmission means, so that the banknote does not get jammed when the banknote is returned.

(Embodiment) Hereinafter, the present invention will be described with reference to an embodiment shown in the drawings.

The identification device main body 1 has a bill insertion slot 2 at one end and an exit 3 at the other end, and a lower bill guide 5 for forming a passage 4 connecting the bill insertion slot 2 has a part of its peripheral surface on its upper surface. So as to project, the first roller 6 is provided on the upstream side, the second roller 7 is provided on the downstream side separated therefrom, and the outlet 3 is further provided on the downstream side.
Freely rotatable conveying rollers 8 are arranged at positions close to the respective positions. As shown in FIG. 4, the first and second rollers 6 and 7 are provided as a pair of left and right so as to correspond to both side portions of the bill in the conveyance direction, and the conveyance rollers 8 are arranged at the inner intervals of the rollers 6, 6, 7, and 7. It consists of a single roller with a corresponding axial length.

Pulleys 11 and 12 are fixed to the ends of the shafts 9 and 10 of the first and second rollers 6 and 7, and are driven by the pulleys 11 and 12 and a motor M as a drive means mounted on the identification device main body 1. A belt 14 is wound around a pulley 13 and a pulley 13, and constitutes a first drive transmission means that drives the motor M to rotate the first and second rollers 6 and 7.

Between the first pulley 11 and the shaft 9, when the second roller 7 is rotated in the bill receiving direction (clockwise in FIG. 1) by the normal rotation of the motor M, the driving force to the first roller 6 is A one-way clutch C as a second drive transmission means for driving the first roller 6 in the reverse direction is interposed when the second roller 7 is rotated in the banknote return direction (counterclockwise in FIG. 1) by the reverse rotation of the motor M by interrupting the transmission. Has been done. The position of the clutch C may not be between the first pulley 11 and the shaft 9 but may be between each first roller 6 and the shaft 9. If necessary, the motor M may move to the first roller 6. It may be in a transmission system that transmits rotation.

The upper bill guide 15 constituting the passage 4 has first pulleys 16, 16 ... And second pulleys at positions corresponding to the first and second rollers 6 and 7 and at intermediate positions between the rollers 6 and 7, respectively. 17 and 17 are provided on shafts 18 and 19 which are supported on the identification device main body 1 so as to be slightly movable in the vertical direction, and endless belts 20 and 20 are wound between the first and second pulleys 16 and 17, respectively. The bills are conveyed between the first and second rollers 6 and 7 and the belts 20, 20 ...

Above the shafts 18 and 19 of the first and second pulleys 16 and 17, each end portion of a leaf spring 21 whose central portion is fixed to a pedestal 21a is pressed against the upper surface of the upper banknote guide 15, and each pulley is attached. Pushing 16, 17 downwards.

Further, inside the second pulleys 17 and 17 located on the left and right outer sides, there are other pulleys 22 and 22, and the pulleys 22 and 22 and the third pulleys 23 and 23 provided corresponding to the conveying rollers 8 are provided. The belts 24, 24 are wound around each other, and include the above-mentioned rotating members, and constitute a banknote conveying means.

Detection sensors S ₁ and S ₁ for detecting the insertion of banknotes are provided at positions outside the first rollers 6 and 6 of the lower banknote guide 5, and color sensors are provided at positions immediately downstream of the first rollers 6 and 6. S ₂ and S ₂ , and further on the downstream side, denominations and other identifying means S ₃ and S ₃ for performing necessary identification are arranged so as to face the belts 4, 20 and 20 respectively. And these constitute the bill identifying portion.

On the downstream side of the second roller 7, a plurality of banknotes (three in total in the center and left and right sides in the figure) for preventing banknote removal
Detent members 25, 25, 25 are provided.

The detent member 25 is fixed to a shaft 26 supported above the upper banknote guide 15 and has a forked end with a recess 27.
Is formed, and one side thereof is a hole 28 of the upper banknote guide 15.
Through the lower bill guide 5 and can be inserted into the cut hole 29 formed in the lower bill guide 5. At this time, the concave portion 27 is positioned toward the downstream side of the passage 4 so that the end of the inserted bill can be engaged. It is designed to be placed. Then, when the front end in the insertion direction of the banknote hits the surface located below the detent member 25 and is pushed away, the banknote can be retracted into the hole 28 of the upper banknote guide 15 and the banknote can pass therethrough.

Inside the bill insertion slot 2 and in front of the first roller 6, the upper bill guide 15 is provided with a cylindrical rotary member holding portion 30 which vertically penetrates at a central position in the width direction thereof as shown in the first illustration. A steel ball 31 (may be a small roller) as a rotating body is provided in the holding portion 30 so as to be freely movable in the vertical direction. The steel ball 31 is constantly supported on the upper surface of the lower banknote guide 5 by its own weight. It is designed to abut. In FIG. 1, reference numeral 32 is a member for preventing the steel ball 31 from coming off upward, and 33 is a mounting seat for mounting on a machine body such as a vending machine or a money changing machine.

Next, the operation of the above embodiment will be described.

When a bill is inserted into the bill insertion slot 2, the tip of the bill in the insertion direction enters between the steel ball 31 and the lower bill guide 5, and the steel ball 31
Is pushed up a little and inserted. The tip of the bill is the first roller
Detecting sensor just before entering between 6,6 and belt 20,20
S _1, insertion of the bill by S ₁ is detected, the belt 14 to start the motor M is in the detection signal, first through pulley 11 and 12, the second rollers 6, 7 are driven forward.

As a result, the one-way clutch C of the bill becomes free, and the first rollers 6, 6 and the belt 20, which are driven by the belt 14,
It is sandwiched between 20 and conveyed to the right in FIG. During this conveyance, the color sensor S ₂ discriminates whether or not a copy banknote exists, and the discrimination means S ₃ discriminates the denomination and the like. At this time, if the front end of the banknote in the insertion direction touches the second roller 7, the second roller 7 is rotationally driven through the belt 14 and the one-way clutch C is released and the first roller 6 freely rotates. , A tensile force acts on the bill, and the bill is stretched and conveyed in a wrinkle-free state, and at the same time, the upper surface side of the bill is regulated and conveyed by the belts 20, 20, ... _It is pressed against ₃ , S ₃ …, and the banknotes come into close contact with each other without difficulty and normal identification is performed.

When it is determined that these items can be imported,
The motor M continues to rotate normally to convey the bill, and the leading end of the bill in the insertion direction pushes the detent member 25 to proceed, and is taken into the fuselage from the outlet 3. When the rear end of the bill in the insertion direction passes through the detent member 25, the detent member 25 is lowered by its own weight to the state shown in the first illustration, the concave portion 27 is positioned toward the rear of the passage 4, and the bill is pulled back. Even if you try, the bill edge is concave
It cannot be inserted back into the 27 and prevented from being removed by fraudulent activity.

When the inserted bill is identified as unacceptable by the identifying unit, the detection signal causes the motor M to rotate in the reverse direction,
The roller 6 is also rotated by the one-way clutch C, and the bill is sent back and returned to the bill insertion slot 2. At this time, the leading edge of the bill in the insertion direction is separated from the first roller 6 and the conveyance is stopped. At this time, the upper surface of the bill is pressed against the upper surface of the lower bill guide 5 by the steel ball 31, and most of the bill is Even if it is exposed to the bill insertion slot 2, it is blown away by the wind and held without falling. If this bill is pulled out from the bill insertion slot 2, the steel ball 31 can rotate and be pulled out lightly.

[Effect of device]

As described above, according to the present invention, since a bill inserted from the bill insertion slot is conveyed by the driving force of the second roller by the driving force of the second roller, the bill is wrinkled. Without being carried, the bill surface is pressed against the discriminating means, whereby the bill is discriminated with high accuracy, and further, the bill is faced to the discriminating means between the first and second pulleys. Since the belt is positioned, the tension of the belt causes the action of further pressing the bill against the identifying means, which facilitates the adjustment of the pressing force and also makes the leading edge of the bill entering the identifying means smooth. There are various effects such as.

[Brief description of drawings]

FIG. 1 is a side view of a central longitudinal section showing an embodiment of the present invention, and FIG.
The figure is a vertical side view of the other position, and FIG. 3 is FIG. 1 III-III.
FIG. 4 is a plan view on the lower banknote guide side of the passage in FIG. 1, and FIG. 5 is a plan view on the upper banknote guide side. DESCRIPTION OF SYMBOLS 1 ... Identification device main body, 2 ... Banknote insertion slot, 3 ... Exit, 4 ... Passage, 5 ... Lower banknote guide, 6 ... 1st roller, 7 ... 2nd roller, 8 ... Conveying roller, 15 ... Upper banknote guide, 16 … First
Pulley, 17 ... Second pulley, 23 ... Third pulley, 25 ...
Detent stop member, 30 ... Rotating body holding portion, 31 ... Steel ball as rotating body, M ... Motor as driving means, C ... One-way clutch as second driving transmission means.

Claims (1)

[Scope of utility model registration request] 1. A banknote discriminating device, in which a banknote inserted from a banknote insertion slot is conveyed to an identification section by an internal conveying means, and a banknote identified as unacceptable as a result of identification in the discrimination section is returned to the banknote insertion slot. In the apparatus, a first roller provided inside the bill insertion opening near the entrance of the identification unit, a second roller provided on the same downstream side as the first roller, and the first roller A first pulley and a second pulley that are respectively installed opposite to the roller and the second roller, and an endless belt that is wound around the first pulley and the second pulley and that conveys banknotes between the first roller and the second roller. An identifying means provided between the first and second rollers and facing the endless belt; a driving means for driving the first and second rollers; and a driving force of the driving means for the first and second rollers. The first drive transmission means for transmitting to the second roller, and the first roller between the first drive transmission means and the first roller when the second roller is rotated in the bill receiving direction by the normal rotation of the drive means. Second driving means for reversely driving the first roller to rotate the second roller in the bill return direction by the reverse rotation of the driving means.
A bill identifying device comprising: a drive transmission means.