KR101146387B1

KR101146387B1 - Media stacking device for media cassette

Info

Publication number: KR101146387B1
Application number: KR20090067853A
Authority: KR
Inventors: 김명주
Original assignee: 엘지엔시스(주)
Priority date: 2009-07-24
Filing date: 2009-07-24
Publication date: 2012-05-17
Also published as: CN102362297B; CN102362297A; KR20110010338A; WO2011010897A2; WO2011010897A3

Abstract

The present invention relates to a media stacking apparatus for an automatic media dispenser. The apparatus of the present invention comprises: a roller plate (22) for stacking media by means of the power from a driving source; a power receiving unit (40) for receiving power, engaged with a clutch gear unit (30), said clutch gear unit rotating with the power received from the driving source, wherein the power receiving unit receives power from the clutch gear unit (30) and moves the roller plate (22); and a resilient member (37) for providing resilient force in the direction of the coupling of the clutch gear unit (30) and the power receiving unit (40). When a force from an external source is applied to the roller plate (22), the clutch gear unit (30) of the present invention rotates in the direction of disengagement from the power receiving unit (40) by means of the repulsive force generated in the direction opposite the resilient force, in order to cut off the transmission of power. As described above, the present invention prevents power from being transmitted to the roller plate (22) when a force from an external source is applied, thus preventing gears interposed between a driving motor and the roller plate (22) from being damaged by a force from an external source.

Description

Media stacking device for media cassette

The present invention relates to a media cassette, and more particularly, to a media cassette of a media cassette for stably integrating a plurality of media in the media cassette.

The automatic media dispenser can pay or receive media such as cash, checks, slips, receipts, and various forms of paper. An example of such a media dispenser is an automated-teller machine. The automated teller machine is a device that allows customers to directly deposit or withdraw cash or checks without going through a bank window. Such automated teller machines are widely used to provide efficient banking and customer convenience.

The media cassette in which the media is loaded is detached from the inside of the media dispenser. The media cassette is installed inside the automatic media dispenser and serves to release the desired number of media one by one.

1 is a side view showing the configuration of a media cassette of a media cassette according to the prior art.

According to this, the mounting frame 1 is provided on the side of the media cassette. The mounting frame 1 forms both sides of the media cassette, and a space for forming media is formed between the mounting frames 1.

The mounting frame 1 is provided with a guide pin 2 for guiding the movement of the release lever 14 to be described below. The guide pin 2 is formed to protrude from the outer surface of the mounting frame (1).

On the other hand, between the mounting frame (1) is installed a movable plate (4). The sealing plate 4 is installed to be elevated between the mounting frame 1 to accumulate a piece of media drawn from above.

The movement of the contact plate 4 is made by the drive motor 6. The drive motor 6 is installed to be fixed to the mounting frame (1) to provide the power necessary for the movement of the contact plate (4). In general, the drive motor 6 is a step motor that is rotated by a predetermined angle by a pulse.

The power of the drive motor 6 is transmitted to the gear train 8. The gear train 8 is connected to engage the drive shaft of the drive motor 6 is to receive power. The gear train 8 consists of a plurality of gear trains.

The gear train 8 is connected to the locking plate 10 rotatably installed on the mounting frame 1. The locking plate 10 is rotated in conjunction with the movement of the release lever 14 to be described below serves to release the locking of the wheat plate (4). To this end, the locking plate 10 is provided with interlocking pins 12 for interlocking with the release lever 14, respectively.

The locking plate 10 normally locks one side of the plate 4 so that the plate 4 can be moved only by the power of the driving motor 6. And when the operator tries to move the plate 4 directly, it is rotated in conjunction with the movement of the release lever 14 to release the locking of the plate 4 so that the plate 4 is free to move.

The release lever 14 is installed in the mounting frame 1 to be movable. The release lever 14 serves to release the locking for the movement of the wheat plate (4). The release lever 14 rotates the locking plate 10 while being moved in a direction orthogonal to the moving direction of the mill 4. The release lever 14 has an interlocking slot 16 into which the interlocking pins 12 of the locking plate 10 are inserted.

On the other hand, one side of the mounting frame 1, the elevating pulley 18 for elevating the mill 4 is rotatably installed. The belt B is wound around the lifting pulley 18. The contact plate 4 is hooked on one side of the belt B and lifted in conjunction with the belt B.

However, the above-described conventional techniques have the following problems.

The plate 4 is lifted between the mounting frame 1, the drive of the drive motor 6 should be stopped in the state where the plate 4 is moved to the top or bottom. However, an unexpected external force may cause a problem in that the driving of the driving motor 6 is not controlled. For example, there may be a case in which the driving motor 6 has an abnormality and sudden oscillation may occur, or a sensor for detecting the position of the contact plate 4 may fail.

If such a problem occurs, the drive motor 6 is continuously driven, so that the gear train 8 receiving power from the drive motor 6 is damaged by an external force.

In addition, if a sudden external force is applied in the state in which the plate 4 is fixed, the plate 4 does not support the medium and is pushed back, thereby causing a problem of poor alignment of the medium.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to prevent the gears that transmit power to the mill plate from being damaged by an external force.

Technical problems to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

According to a feature of the present invention for achieving the object as described above, the present invention comprises a dense plate for integrating the medium by the power of the drive source; A clutch gear part that is rotated by receiving power from the driving source; A power transmission unit which is provided to mesh with the clutch gear unit and moves the wheat plate by receiving power from the clutch gear unit; The clutch gear unit includes an elastic member that provides an elastic force in a direction coupled to the power transmission unit, wherein the clutch gear unit is the power transmission unit by the repulsive force generated in the opposite direction to the elastic force when an external force is applied to the contact plate Rotation in the direction in which the coupling and release is characterized in that to block the power transmission.

The clutch gear unit includes: a clutch plate rotatably installed on the mounting frame; A drive gear installed to be rotated about a rotation shaft which is a rotation center of the clutch plate, and receiving power directly from the driving source; One side is engaged with the drive gear, and the other side includes a driven gear that meshes with the gear teeth of the power transmission unit.

The power transmission unit includes a drive pulley having a pulley shaft engaged with the clutch gear unit and provided on a pulley shaft; It characterized in that it comprises a driven pulley for moving the mill by receiving power by a belt wound around the drive pulley.

The clutch plate is characterized in that the operator is provided with a blocking lever for directly operating to cut off the power of the mill plate and the clutch gear portion.

In the present invention, when the external force caused by the abnormality of the drive motor is applied to the compact plate, the clutch gear portion is rotated by the repulsive force acting in the opposite direction to the elastic force with the elastic member, thereby disconnecting the power transmission portion. Therefore, the power transmitted to the mill plate is cut off, so that the gears located between the driving motor and the mill plate are prevented from being damaged by an external force. As a result, the reliability of the product is improved, resulting in stable media integration.

Hereinafter, a preferred embodiment of a media cassette of a media cassette according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a side view showing the configuration of a preferred embodiment of the media cassette of the media cassette according to the present invention, Figure 3 is a side view showing that power transmission is blocked by a preferred embodiment of the present invention, Figure 4 is a present invention Fig. 1 is a side view showing the main components of the media accumulation apparatus of the media cassette. In this figure, the part shown with the dotted line shows the gear value of a gear, and has not attached another code | symbol.

As shown in these figures, mounting frames 20 are provided on both sides of the media cassette. The mounting frame 20 is provided on both sides of the media cassette so as to face each other, there is a space in which the medium is charged one by one. The mounting frame 20 is not only provided at both sides of the media cassette, but may form the entire outer surface of the media cassette.

The mounting plate 20 is installed to be movable plate 22. In this figure, although the plate 22 is shown to be elevated up and down, it may be moved in the horizontal direction depending on the mounting state of the media cassette. The plate 22 is a portion in which the media are integrated one by one, and also serves to push the media to one side. The plate 22 is moved by receiving power from the power transmission unit 40 to be described below.

Meanwhile, a driving motor 24 is installed at one side of the mounting frame 20. The drive motor 24 is a drive source for providing the power necessary for the movement of the contact plate (22). In general, a step motor that is rotated by a predetermined angle by a pulse is used as the drive motor 24. A gear 26 is provided on the drive shaft 24 'of the drive motor 24. The gear portion 26 meshes with the motor gear 28. The motor gear 28 is rotatably installed on the mounting frame 20 to transmit power of the driving motor 24.

The motor gear 28 transmits power to the clutch gear unit 30. The clutch gear unit 30 is rotatably installed on one side of the mounting frame 20, and the clutch gear unit 30 is the power transmission unit when an abnormal external force is applied to the contact plate 22. 40) and rotates in the direction in which the coupling is released by the repulsive force serves to block the power of the drive motor 24. In other words, the power of the driving motor 24 is blocked from being transmitted to the clutch gear unit 30 and the power transmission unit 40 to prevent the gears constituting each of them from being damaged.

The clutch gear unit 30 is provided with a clutch plate 32 rotatably installed on the mounting frame 20. The clutch plate 32 is installed to be rotated about a rotating shaft 34 'to be described below.

A drive gear 34 is rotatably installed on the rotation shaft 34 'on the clutch plate 32. The rotary shaft 34 ′ is the center of rotation of the clutch plate 32 and the drive gear 34. The drive gear 34 meshes directly with the motor gear 28 to receive power.

In addition, the clutch plate 32 is rotatably provided with a driven gear 36 that meshes with the drive gear 34. The gear tooth of the driven gear 36 meshes with the gear tooth of the power transmission unit 40 to be described below, and serves to transmit power to the power transmission unit 40.

Meanwhile, the clutch plate 32 includes an elastic member 37 having one end fixed to the clutch plate 32 to provide an elastic force in a direction in which the clutch gear unit 30 is coupled to the power transmission unit 40. . As the elastic member 37, a coil spring or the like is used. More specifically, the direction of the elastic force of the elastic member 37 provides the following elastic force. The elastic member 37 is in contact with the base circle of the driven gear 36 and the base circle of the pulley gear 44 to be described below, the gear value of the driven gear 36 and the gear value of the pulley gear 44 The elastic force Fs should be provided in the same direction as the direction of the tangent passing through the point of contact. This can be clearly seen with reference to FIG. 5.

4 and 5, the pitch circle of the driven gear 36 and the pull gear 44 of the driven gear 36 pass through a point where the gear value of the driven gear 36 and the gear value of the pulley gear 44 contact each other. The tangent tangent to the pitch circle is called the center line (C). The tangent I in contact with the base circle of the driven gear 36 and the base circle of the pulley gear 44 and passing through the point where the gear value of the driven gear 36 and the gear value of the pulley gear 44 contact each other. And the angle between the center line C is called the pressure angle θ of the gear. For reference, the pressure angle θ in the gear generally has 20 degrees. As such, when the direction in which the pressure angle θ is directed and the direction Fs of the elastic force are the same, a repulsive force Fg is generated between the gears, thereby causing a force to push each other. The repulsive force (Fg) acts in the direction opposite to the elastic force (Fs). Therefore, in the present embodiment, the clutch plate 32 is rotated counterclockwise by the repulsive force Fg of the driven gear 36, so that power transmission to the power transmission unit 40 is blocked.

The above description is a phenomenon that occurs when the driving motor 24 continues to drive, but the plate 22 is no longer moved or when an external force is applied to the plate 22. For example, when the driving motor 24 continues to move the plate 22 downward while the plate 22 is moved to the bottom end, the driven gear 36 is driven by the repulsive force (F _g ). The clutch plate 32 is rotated so that the engagement with the drive pulley 44 is released. Therefore, the gears of the clutch gear part 30 and the power transmission part 40 are prevented from being damaged.

Meanwhile, one side of the clutch plate 32 is provided with a blocking lever 38. The blocking lever 38 is a part which the operator manipulates the plate 22 directly. That is, when the clutch gear unit 30 is rotated by pulling the blocking lever 38, the connection between the clutch gear unit 30 and the power transmission unit 40 is cut off, so that power transmission is interrupted and the operator directly moves the plate 22. You can do it. The worker draws in or receives the medium in the state where the wheat plate 22 is moved.

Next, the clutch gear unit 30 is connected to the power transmission unit 40 to transmit power. In this embodiment, the power transmission unit 40 is configured by a pulley. Of course, the power transmission unit 40 may be composed of various power transmission means such as gears as well as pulleys.

The power transmission unit 40 is composed of a drive pulley 42 which receives power from the clutch gear unit 30 and a driven pulley 46 which transmits power to the contact plate 22. The pulley shaft 42 ′ of the driving pulley 42 is provided with a pulley gear 44 that meshes with the driven gear 36.

The belt B is wound around the driving pulley 42 and the driven pulley 46 to transmit power. The pulley shaft 46 ′ of the driven pulley 46 is provided with a separate pulley (not shown) to wind the belt B. The belt B wound around the pulley is fixed to one side of the plate 22 so that the plate 22 can be moved by the rotation of the driven pulley 46.

Hereinafter, the operation of the media cassette of the media cassette according to the present invention having the configuration as described above will be described in detail.

First, a process in which the plate 22 is moved by receiving power by the driving motor 24 will be described. When the driving motor 24 is driven, the motor gear 28 is rotated in conjunction with it, and the power transmitted to the motor gear 28 is transmitted to the clutch gear unit 30. The power transmitted to the drive gear 34 and the driven gear 36 of the clutch gear part 30 is transmitted to the pullout gear 44 of the power transmission part 40.

When the pulley gear 44 of the power transmission unit 40 is rotated, the driving pulley 42 is also rotated together, and the driven pulley 46 is also transmitted by the belt B together. As the driven pulley 46 is rotated, a pulley (not shown) provided on the pulley shaft 46 'of the driven pulley 46 is also rotated. The plate 22 is moved up and down based on FIG. 2 by the belt B wound around the pulley to accumulate media.

In this process, if the abnormality occurs in the driving motor 24 in the state in which the plate 22 is moved to the top or bottom end and continues to be driven, a clutch gear unit for transmitting power from the drive motor 24 to the plate 22 ( 30) and the power transmission unit 40 may be damaged.

At this time, the clutch gear unit 30 cuts off the power by disconnecting the power transmission unit 40. Referring to FIG. 4, when power is continuously transmitted to the driven gear 36, a repulsive force F _g is generated between the gears in the opposite direction to the elastic force F _s so that the clutch gear part 30 rotates in the rotary shaft 34 ′. It rotates in a counterclockwise direction (see FIG. 3). In this case, since the connection between the clutch gear unit 30 and the power transmission unit 40 is cut off, power may not be transmitted to the driving motor 24, thereby preventing the gears from being damaged.

In addition, even when an external force is applied in a state in which the plate 22 is fixed at a predetermined position, a repulsive force F _g is generated in the driven gear 36 to block the power while the clutch gear unit 30 is rotated. .

The scope of the present invention is not limited to the embodiments described above, but is defined by the claims, and various changes and modifications can be made by those skilled in the art within the scope of the claims. It is self evident.

1 is a side view showing the configuration of a media cassette of a media cassette according to the prior art;

Figure 2 is a side view showing the configuration of a preferred embodiment of a media accumulation apparatus for a media cassette according to the present invention.

Figure 3 is a side view showing that power transmission is removed by a preferred embodiment of the present invention.

Figure 4 is a side view showing the main configuration of the media accumulation apparatus of the media cassette of the present invention.

Explanation of symbols on the main parts of the drawings

20: mounting frame 22: plate

24: drive motor 24 ': drive shaft

26: gear portion 28: motor gear

30: clutch gear part 32: clutch plate

34: drive gear 36: driven gear

37: elastic member 38: blocking lever

40: power transmission unit 42: drive pulley

44: pulley gear 46: driven pulley

Claims

A compact plate for accumulating the medium by the power of the driving source;

A clutch gear part that is rotated by receiving power from the driving source;

A power transmission unit which is provided to mesh with the clutch gear unit and moves the wheat plate by receiving power from the clutch gear unit;

It includes an elastic member for providing an elastic force in the direction in which the clutch gear unit is coupled to the power transmission unit,

The clutch gear unit is rotated in a direction in which the coupling with the power transmission is released by the repulsive force generated in the opposite direction to the elastic force when the external force is applied to the compact plate, the media cassette of the medium cassette, characterized in that to block the power transmission Device.

The method of claim 1, wherein the clutch gear portion,

A clutch plate rotatably mounted to the mounting frame;

A drive gear installed to be rotated about a rotation shaft which is a rotation center of the clutch plate, and receiving power directly from the driving source;

And one side meshed with the driving gear, and the other side includes a driven gear meshing with a gear tooth of the power transmission portion.

The method of claim 2,

The power transmission unit,

A driving pulley having a pulley gear engaged with the clutch gear part on a pulley shaft;

And a driven pulley for receiving the power by a belt wound around the driving pulley to move the contact plate.

The method according to claim 2 or 3,

The clutch plate is a media cassette device for the media cassette, characterized in that the operator is provided with a blocking lever for directly operating to cut off the power of the contact plate and the clutch gear portion.

The method of claim 1,

The elastic member is in contact with the base circle of the clutch gear portion and the base of the power transmission unit and provides an elastic force in the same direction as the tangential line passing through the point where the gear value of the clutch gear portion and the gear value of the power transmission portion contact each other. A media cassette device for a media cassette.