KR100642240B1 - A bankbook printer - Google Patents

Abstract

The present invention relates to a printing device for a bankbook organizer, and more particularly, to provide a bankbook printing device capable of driving a ribbon roller collecting roller using the power of the printer module.

Accordingly, the present invention provides a pedestal for supporting the lower surface of the passbook, a printer module provided on the upper side of the pedestal to print characters on the printing surface of the passbook, a drive unit for reciprocating the printer module left and right, and the printer module. In the passbook printing apparatus including a ribbon cartridge for supplying an ink ribbon to the supply roller and the recovery roller therein, the drive unit is provided on both sides of the timing belt and the inside of the timing belt to which the printer module is fixed. A drive pulley for transmitting power and a driven pulley, and a servo motor for driving the drive pulley in a forward / reverse direction; A first power transmission unit for transmitting the rotational force when the driving pulley rotates in the forward direction to rotate the recovery roller in one direction, and transmitting the rotational force when the drive pulley rotates in the reverse direction to move the recovery roller in the same direction as the one direction And a switching unit for selectively connecting power of the first power transmission unit and the second power transmission unit when the rotation direction of the driving pulley is switched.

The bankbook printing apparatus as described above does not require a separate actuator and power unlike in the prior art, so that the device can be miniaturized and simplified, and the manufacturing cost of the product can be greatly reduced.

Ribbon cartridge, recovery roller, power transmission unit, switching unit, stopper, gear

Description

Bankbook Printing Equipment {A BANKBOOK PRINTER}

1 is an overall perspective view showing a bankbook organizer.

Figure 2 is a perspective view of the bankbook printing apparatus of Figure 1;

Figure 3 is a perspective view of one embodiment of the present invention.

4 is an enlarged view illustrating main parts of FIG. 3;

Figures 5a, b is an operating state of FIG.

※ Explanation of codes for main parts of drawing

10: printer module

20: ribbon cartridge

   21: ink ribbon 22: feed roller

   23: recovery roller 230: central axis

   231: driven gear

30: pedestal

40: drive unit

   41: timing belt 42: drive pulley

   420: drive gear 43: servo motor

50: first power transmission unit

   51: first gear 52: second gear

60: second power transmission unit

   61: third gear 62: fourth gear

70: switching unit

   71: fifth gear 72: guide

   73: pin

80: stopper

   81: first projection 82: second projection

The present invention relates to a bankbook organizer used in banknotes, and more particularly, to a bankbook printing apparatus that is mounted on the bankbook organizer to automatically print the transaction history of the user in the inlay of the bankbook.

In recent years, each bank has installed and operated various kinds of unmanned automated devices such as automatic teller machines and bankbook organizers to improve work efficiency and user convenience.

1 is an overall perspective view showing a bankbook organizer. When the user wants to check the status of the deposit / withdrawal generated in his account through the account, the bankbook organizer is a device that connects to the server of the bank and receives the transaction details accumulated in the account and prints it on the account.

That is, when the user inserts the bankbook B into the organizer, first, the user information stored in the magnetic part of the bankbook is recognized by the magnetic information recognition device (not shown, hereinafter referred to as a 'recognition device') installed at the entrance side to the host host. In addition, the passbook printing device 1 (hereinafter referred to as a "printing device") receives the information transmitted from the host and prints the passbook.

Figure 2 is a perspective view of the bankbook printing apparatus of Figure 1; As shown, the printing apparatus is provided with a pedestal 30 for supporting the lower side of the passbook, the upper side of the pedestal is provided with a printer module 10 for performing a printing operation while transferring to the left / right, the printer module A ribbon cartridge 20 for supplying the ink ribbon 21 is provided. In addition, the rear of the ribbon cartridge 20 is provided with a driving means (not shown) consisting of a motor and a belt for reciprocating the printer module 10 to the left and right.

The ribbon cartridge 20 is provided with a supply roller 22 in which the ink ribbon 21 is wound, and a recovery roller 23 for recovering the used ink ribbon. Accordingly, the printing roller is rotated at a constant speed in the printing process to forcibly recover the ink ribbon passing through the printer module.

In recovering the used ink ribbon by driving the collecting roller as described above, conventionally, in addition to the driving means of the printer module, a motor and a power source for driving the collecting roller are separately installed. As a result, the structure of the printing apparatus is complicated and the size thereof is increased, as well as the manufacturing cost is increased.                         

Accordingly, the present invention has been made to solve the conventional problems as described above, the object is to provide a passbook printing apparatus that can drive the recovery roller of the ribbon cartridge using the power of the printer module.

One aspect of the present invention for achieving the above object is a pedestal for supporting the lower surface of the passbook, the printer module is provided on the upper side of the pedestal to print characters on the printing surface of the passbook, and the printer module to reciprocate left and right In the passbook printing apparatus comprising a drive unit for transporting and supplying the ink ribbon to the printer module and a ribbon cartridge having a supply roller and a recovery roller therein, the drive unit, a timing belt to which the printer module is fixed; Drive pulleys and driven pulleys provided on both sides of the timing belt for transmitting power, and a servo motor for driving the drive pulleys in a forward / reverse direction; A first power transmission unit for transmitting the rotational force when the driving pulley rotates in the forward direction to rotate the recovery roller in one direction, and transmitting the rotational force when the drive pulley rotates in the reverse direction to move the recovery roller in the same direction as the one direction And a switching unit for selectively connecting power of the first power transmission unit and the second power transmission unit when the rotation direction of the driving pulley is switched.

Accordingly, it is possible to drive together the recovery roller provided in the ribbon cartridge by the power of the motor installed for the transfer of the printer module. In addition, since the first power transmission unit and the second power transmission unit which are capable of power transmission in only one direction, respectively, are selectively used by the switching unit when the rotational direction of the driving pulley is switched, the recovery roller can always be driven in only one direction.

The first power transmission portion includes a first gear meshing with a drive gear integrally provided in the driving pulley, and a second gear meshing with a driven gear integrally provided on a central axis of the recovery roller; The second power transmission unit includes a third gear installed to be spaced apart from the first gear, and a fourth gear engaged with the driven gear; The switching unit may include a fifth gear configured to selectively engage with the second gear and the third gear to transfer power when the rotation direction of the driving pulley is changed.

The switching unit has a guide fixed to the end of the central shaft of the first gear by a pin, the fifth gear is characterized in that the rotation is mounted freely on the guide.

At this time, the fifth gear is characterized in that it further comprises a stopper for stopping the rotation of the guide when the second gear and the third gear.

The stopper may protrude from an end portion of the center shaft of the second gear to support one side of the guide when the fifth gear is engaged, and protrude from an end portion of the center shaft of the third gear. It is characterized by comprising a second projection supporting the side.

Aspects of the present invention described above will become more apparent through preferred embodiments described with reference to the accompanying drawings. Hereinafter, the present invention will be described in detail so that those skilled in the art can easily understand and reproduce the present invention.

3 is a perspective view showing an embodiment of the present invention, Figure 4 is an enlarged view of the main portion of Figure 3, when explaining the configuration of the present invention.

As shown, the passbook printing apparatus includes a pedestal 30 for supporting the bottom surface of the passbook B, a printer module 10 provided above the pedestal for printing characters on the printing surface of the passbook, and the printer module. The drive unit 40 for reciprocating the left and right, and the ribbon cartridge 20 for supplying the ink ribbon 21 to the printer module is provided.

The driving unit 40 includes a timing belt 41 to which the rear of the printer module 10 is fixed, a driving pulley 42 and a driven pulley (not shown) provided on both sides of the timing belt to transmit power, It consists of a servo motor 43 for driving the drive pulley in the forward / reverse direction.

As shown in FIG. 2, the ribbon cartridge 20 includes a supply roller 22 in which the ink ribbon 21 is wound, and a recovery roller 23 for recovering the used ink ribbon. It has a central axis 230 protruding toward the rear side of the ribbon cartridge.

At this time, the passbook printing apparatus according to the present invention, when the drive pulley 42 rotates in the forward direction, the first power transmission unit 50 for rotating the recovery roller 23 by transmitting the rotational force, and the drive pulley rotates in the reverse direction And a second power transmission unit 60 for transmitting the rotational force to rotate the recovery roller in the same direction, and selectively connecting the power of the first power transmission unit and the second power transmission unit when the rotation direction of the driving pulley is changed. The switching unit 70 is characterized in that it is provided.

The first power transmission unit 50 according to the present embodiment includes a first gear 51 meshing with a drive gear 420 formed integrally with the drive pulley 42, and a central axis 230 of the recovery roller 23. And a second gear 52 engaged with the driven gear 231 integrally provided at the second gear transmission, and the second power transmission unit 60 is provided with a third gear 61 spaced apart from the first gear 51. And a fourth gear 62 meshing with the driven gear 231 on the recovery roller 23 side.

In addition, the switching unit 70 includes a fifth gear 71 which selectively engages with the second gear 51 and the third gear 61 to transfer power when the driving direction of the driving pulley 42 is changed. In other words, when the driving pulley 42 rotates forward, the driving gear 100 is engaged with the third gear 61 to transmit power, and when the driving pulley 42 rotates with the second gear 51, the power is transmitted. In this case, the fifth gear 71 is rotatably mounted on the bottom surface of the guide 72, and the guide is fixed by a pin 73 press-fitted to the end of the central shaft of the first gear 51.

On the other hand, when the fifth gear 71 is engaged with the second gear 52 and the third gear 61, a stopper 80 for preventing rotation of the guide 72 is provided, the stopper according to this embodiment Each of the first and second protrusions 81 and 82 protrudes from an end portion of the central shaft of the second gear and the third gear to support the side surface of the guide when the fifth gear is engaged.

5A and 5B are diagrams illustrating the operation of FIG. 4, which describes the operational relationship between the first and second power transmission units and the switching unit as follows.

As shown in FIG. 5A, when the driving pulley 42 provided in the motor rotates in the forward direction (clockwise), the first gear 51 meshed with the driving gear 420 integrally formed at the rear of the driving pulley. Rotates counterclockwise, and the guide 72 mounted on the central axis of the first gear rotates counterclockwise.

As the guide 72 rotates, the fifth gear 71 meshed with the first gear 51 is engaged with the second gear 52 to drive counterclockwise, and the driven gear meshed with the second gear side is driven. As the gear 231 and the central shaft 230 rotate clockwise, the recovery roller of the ribbon cartridge is driven clockwise.

As the drive pulley 42 rotates in the forward direction as described above, the printer module 10 fixed to the timing belt 41 moves to the driven pulley (not shown) to perform a print job.

On the other hand, the first projection 81 is formed on the central axis of the second gear 52, the moment when the fifth gear 71 is engaged with the second gear to prevent the progress of the guide 72, the fifth The gear is engaged between the first gear 51 and the second gear at an appropriate pressure to transfer power.

As shown in FIG. 5B, when the driving pulley 42 rotates in the reverse direction (counterclockwise), the first gear 51 engaged with the driving gear 420 integrally formed behind the driving pulley is clockwise. Rotate in the direction of the first gear, and the guide 72 mounted on the central axis of the first gear rotates clockwise.

As the guide 72 rotates, the fifth gear 71 that is engaged with the second gear 52 in FIG. 5A to transmit power moves and engages with the third gear 61, thereby applying power to the third gear. Will be delivered. Accordingly, the fourth gear 62 meshed with the third gear 61 rotates counterclockwise, and the driven gear 231 and the central shaft 230 meshed with the fourth gear side rotate clockwise. By doing so, the recovery roller of the ribbon cartridge is driven clockwise as in FIG. 5A.

As the drive pulley 42 rotates in the reverse direction as described above, the printer module 10 moves to the drive pulley side to perform a print job.

As described above, in the present invention, in recovering the ink ribbon used by driving the recovery roller of the ribbon cartridge, by using the power of the motor provided for the transfer of the printer module, the motor and power source separate from the conventional Has the advantage of not needing.

In addition, in order to reciprocate the printer module to the left and right, the rotational direction of the driving pulley must be switched essentially. Even when the rotational direction of the driving pulley is changed as described above, the ribbon roller can be driven only in one direction. do.

As described above, in the present invention, in recovering the ink ribbon used by driving the recovery roller of the ribbon cartridge, by using the power of the motor provided for the transfer of the printer module, unlike the prior art separate motor and power source Since it is not necessary, it is easy to miniaturize and simplify the apparatus, and has the effect of greatly reducing the manufacturing cost of the product.

On the other hand, the present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. . Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it will be apparent to those skilled in the art.

Claims (5)

A pedestal 30 for supporting the lower surface of the bankbook (B), a printer module 10 provided on the upper side of the pedestal for printing characters on the printing surface of the bankbook, and a drive unit for reciprocating the printer module to the left and right ( 40) and a ribbon printer 20 which supplies an ink ribbon 21 to the printer module, and a ribbon cartridge 20 having a supply roller 22 and a recovery roller 23 on which the ink ribbon is wound. In The driving unit includes a timing belt 41 to which the printer module is fixed, a driving pulley 42 and a driven pulley provided on both sides of the timing belt to transmit power, and to drive the driving pulley in a forward / reverse direction. A servo motor 43; A first power transmission unit 50 for transmitting the rotational force when the drive pulley rotates in the forward direction to rotate the recovery roller in one direction, and transmitting the rotational force when the drive pulley rotates in the reverse direction to move the recovery roller in the one direction And a second power transmission unit 60 for rotating in the same direction as that of the switch, and a switching unit 70 for selectively connecting power of the first power transmission unit and the second power transmission unit when the rotation direction of the driving pulley is changed. Bankbook printing apparatus, characterized in that. The method of claim 1, The first power transmission unit 50, the first gear 51 to mesh with the drive gear 420 integrally provided in the drive pulley 42, and the central axis 230 of the recovery roller 23 A second gear 52 engaged with the driven gear 231 integrally provided at the end; The second power transmission unit 60 includes a third gear 61 installed to be spaced apart from the first gear, and a fourth gear 62 engaged with the driven gear; The switching unit 70, the passbook printing apparatus characterized in that it comprises a fifth gear 71 for selectively powering the second gear and the third gear to transfer power when the rotational direction of the drive pulley is switched. . The method of claim 2, wherein the switching unit 70, And a guide 72 fixed by a pin 73 press-fitted to the central shaft end of the first gear 51, wherein the fifth gear 71 is rotatably mounted on the guide. Bankbook printing device. The method of claim 3, When the fifth gear 71 is engaged with the second gear 52 and the third gear 61, the stopper 80 for stopping the rotation of the guide 72, Bankbook printing apparatus characterized in that it further comprises. The stopper 80 according to claim 4, A first protrusion 81 protruding from an end portion of the central shaft of the second gear 52 to support one side of the guide 72 when the fifth gear 71 is engaged; As a second protrusion 82 protruding to the end of the central axis of the third gear 61 to support the other side of the guide 72, Bankbook printing apparatus characterized in that configured.

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