JPH096926A - Magnetic card reader writer - Google Patents

Abstract

PURPOSE: To provide the magnetic card reader writer which prevents a magnetic card from being conveyed deviating and is easily maintained and low in height by driving a platen roller that faces a print head with simple structure. CONSTITUTION: This reader writer is equipped with a driving roller which conveys the magnetic card and a motor which rotates the driving roller. A both-sided timing belt 21 is used as a belt wound around the pulley to transmit the power of the motor to the driving roller, and the pulley 39 is made to abut against the both-sided timing belt 21. The platen roller which faces the thermal head for printing is coaxial with the pulley 39 and rotates when the magnetic card is conveyed by the rotation of the driving roller driven by the motor, so the deviated conveyance of the magnetic card can be eliminated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic card reader / writer that handles a printable magnetic card.

[0002]

2. Description of the Related Art In recent years, various types of magnetic cards such as prepaid cards have been widely used, and magnetic card reader / writers having a printing function have been gradually spread. Further, with the spread of magnetic card reader / writer systems, there has been an increasing demand for improvement in the ease of maintenance work such as cleaning of the inside of the magnetic card reader / writer. In particular, in a magnetic card reader / writer having a printing function, if the printing thermal head becomes dirty, thin printing is performed. Therefore, it is necessary to have a mechanism capable of opening and closing the transport path portion for easy cleaning of the printing thermal head.

In a magnetic card reader / writer having a printing function, it is necessary to drive a platen roller that presses the thermal head for printing in order to prevent the magnetic card from being misaligned during the printing operation. Further, in order to reduce the height of the magnetic card reader / writer, the transport motor and the card transport roller must be on the print thermal head side with respect to the transport path, and face the platen roller that presses the print thermal head. Have a relationship.

[0004]

Conventionally, since the drive of the platen roller for pressing the printing thermal head is transmitted from the motor by the gear, there is a possibility that the gear may be damaged at the time of opening and closing when the transport path opening / closing mechanism is used. It could not be used as the transport path opening / closing mechanism.

In order to reduce the height of the magnetic card reader / writer while improving the ease of maintenance work and prevent the card from being displaced during the printing operation, a transport motor and a drive roller are provided with respect to the transport path. , And a transport path opening / closing mechanism capable of driving a platen roller that presses the printing thermal head facing the printing thermal head.

Therefore, the present invention provides a magnetic card reader / writer which prevents the magnetic card from being misaligned by driving the platen roller facing the print head with a simple structure and which is easy to maintain and low in height. To aim.

[0007]

To this end, the present invention provides a double-sided timing belt for transmitting the power of a motor to a plurality of drive rollers, and a pulley interlocking with a platen roller is brought into contact with the double-sided timing belt. The lever platen roller is driven.

[0008]

With the above structure, the height of the magnetic card reader / writer can be lowered while improving the ease of maintenance work.
In addition, the platen roller can be rotated by the double-sided timing belt for rotating the drive roller to prevent misalignment of the conveyance of the magnetic card during the printing operation.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. 1 is an upper plan view showing the internal structure of a magnetic card reader / writer according to an embodiment of the present invention, FIG. 2 is a side sectional view when the chassis is closed, and FIG. 3 is a side view when the chassis is closed. FIG. 4 is a side sectional view when the chassis is opened.

As shown in FIGS. 1, 2 and 3, a magnetic card 1 is inserted from an insertion slot 2 and is constituted by a guider 6 by a plurality of drive rollers 3, 4 and 5 which are sequentially arranged at intervals. It is transported on the transport path 7. The conveying force of the magnetic card 1 is applied to the three driving rollers 3, 4 and 5 by the first pressing roller 8 pressing spring 9, the second pressing roller 10 pressing spring 11 and the third pressing roller 12 pressing spring, respectively. It is obtained by being pressed and biased by 13.

The magnetic card 1 is conveyed by a motor 14 whose driving force is from a motor gear 15 press-fitted into the shaft of the motor 14 to gears 16 and 17 to a driving roller 5 attached to a third shaft 18. Then, it is transmitted to the driving roller 4 attached to the second shaft 19 by the double-sided timing belt 21 hung on the pulley 20 attached to the third shaft 18 and the second shaft 19, and further, the second shaft 19 and the first shaft 22. It is transmitted to the drive roller 3 fixed to the first shaft 22 by the round belt 24 hung on the pulley 23 attached to the.

In FIG. 2, the magnetic head 25 is pressed and biased by a head pressing spring (not shown) to a magnetic head pressing roller 26 arranged at a position facing the magnetic head 25. The thermal head 27 is fixed to a holder 28, and is pressed and biased by an opposing platen roller 30 when printing at a predetermined position of the magnetic card 1 by a solenoid 29, and when the magnetic card 1 is transported, the transport path 7 is used. Are evacuated from.

The drive control of the motor 14, the information write control of the magnetic head 25 to the magnetic card 1, the information read control of the magnetic card 1, the print control of the thermal head 27 to the magnetic card 1, and the drive control of the solenoid 29 are performed. This is performed by the control boards 31 and 32 arranged on the upper and lower surfaces of the magnetic card reader / writer.

When a magnetic card reader / writer is used in the market, dust, dust, etc. enter from the insertion slot 2 and adhere to the drive rollers 3, 4, 5 and the pressure rollers 8, 10, 12 to cause the magnetic card 1 to be inserted. It slips and a recording / playback error occurs. Even if the magnetic head 25 and the magnetic head pressing roller 26 are fixed to each other, a similar error occurs, and the thermal head 2
7. If it sticks to the platen roller 30, defective printing will occur. Periodic cleaning is required to remove these stuck dust and dirt.

Therefore, as shown in FIG. 4, the chassis forming the skeleton of the device is separated by the upper chassis 33, one set and the lower chassis 34, with the vicinity of the guider 6 as a boundary so that cleaning can be performed easily.
Divided into one set that can be opened and closed freely, and a fulcrum plate 35 is attached to the lower chassis 34.
And the upper chassis 3 fixed to the fulcrum plate 35 and passed through the hole 35a.
The upper chassis 33 opens and closes in the direction of arrow A around the shaft 36 (FIG. 1) of No. 3.

On the upper chassis 33, the drive rollers 3, 4,
5, a thermal head 27 and a magnetic head pressing roller 26 are attached. The pressing rollers 8, 10, 12 and the magnetic head 25 are attached to the lower chassis 34, and the platen roller 30 is pivotally supported. Shaft 3
When the upper chassis 33 is opened centering on 6, the magnetic head 25 and the like can be directly cleaned with the cleaning rod 37.

When printing is performed on a predetermined position of the magnetic card 1, the thermal head 27 presses the magnetic card 1, so that the magnetic card 1 may slip and the printing position may shift, and the platen roller 30 is driven. It is necessary to prevent the magnetic card 1 from slipping. Then, as shown in FIG. 3, the pulley 39 is brought into contact with the double-sided timing belt 21 banded on the pulley 20 and the driving force is transmitted to the pulley 39, whereby the pulley 39 is fixed to the fourth shaft 38 coaxial with the pulley 39. The platen roller 30 was driven.

[0018]

As described above, according to the present invention, by driving the platen roller with the double-sided timing belt, the platen which faces the conveying motor, the driving roller, and the print head with respect to the conveying path and presses the print head. It is possible to use a transport path opening / closing mechanism that can drive the rollers. Therefore, the height of the magnetic card reader / writer can be lowered while improving the ease of maintenance work, and the transport deviation of the magnetic card during printing operation can be prevented. be able to.

[Brief description of drawings]

FIG. 1 is an upper plan view showing an internal configuration of a magnetic card reader / writer according to an embodiment of the present invention.

FIG. 2 is a side sectional view of the magnetic card reader / writer according to the embodiment of the present invention when the chassis is closed.

FIG. 3 is a side view of the magnetic card reader / writer according to the embodiment of the present invention when the chassis is closed.

FIG. 4 is a side sectional view of the magnetic card reader / writer according to the embodiment of the present invention when the chassis is opened.

[Explanation of symbols]

 1 Magnetic Card 3, 4, 5 Drive Roller 20 Pulley 21 Double-sided Timing Belt 30 Platen Roller 33 Upper Chassis 34 Lower Chassis 39 Pulley

Claims (1)

[Claims] 1. An upper chassis and a lower chassis that can be opened and closed with a magnetic card transport path as a boundary, and a plurality of drive rollers for transporting the magnetic card along the transport path, and for printing on the magnetic card. A magnetic card reader / writer in which a print head and a platen roller facing the print head are arranged, and the drive roller is rotated by a motor, for transmitting the power of the motor to the plurality of drive rollers. A magnetic card reader / writer characterized in that a double-sided timing belt is provided, and a pulley interlocking with the platen roller is brought into contact with the double-sided timing belt to drive the platen roller.