JP2652818B2 - Card reader transport unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport unit of a card reader for reading magnetic information recorded on a magnetic card such as a telephone card, writing and checking information on the magnetic card, and more particularly to a card for the transport unit. The present invention relates to a structure for mounting a transport mechanism and a magnetic head.

[0002]

2. Description of the Related Art Generally, a card reader of this type for reading magnetic information recorded on various magnetic cards such as a telephone card and recording and confirming information on a magnetic card uses a transport belt or the like as a card transport means. And is operated by a drive motor. As a mounting structure of such a drive motor, the drive motor is mounted on a device housing via a bracket and fixed.

A magnetic head for reading, writing, and confirming magnetic information is fixed to an apparatus housing via a magnetic head bracket mounted with its position adjusted by adjusting means. Further, a transmission shaft that rotates by receiving rotation transmission from the drive motor described above is mounted on the magnetic head bracket. A touch roller that is pressed against the magnetic head is attached to the transmission shaft, and the touch roller is configured to remove a gap error between the touch roller and the magnetic head so that the touch roller correctly contacts the magnetic head. A transport roller on which a transport belt for transporting the card is stretched is attached to the transmission shaft.

[0004]

In the conventional card transport mechanism and the magnetic head mounting structure described above, the transport belt is attached to the magnetic head bracket in addition to the magnetic head in the entire assembly process of assembling the magnetic head into the apparatus housing. Since the sub-assembly product in which the provided transmission shaft is incorporated is incorporated into the device housing, the assembling work becomes extremely complicated. In addition, it is necessary to adjust the gap between the gear of the transmission shaft and the output gear of the drive motor at the same time, and the operation requires extremely skill and extra adjustment time is required. For this reason,
In the assembly process, this magnetic head adjustment process
Is integrated into the same assembly line as other processes.
The assembly line stops during the adjustment process of
Was an obstacle. Also, other components are assembled
Of magnetic heads, etc. in the process of total assembly
Adjustment becomes complicated, and extra work time for adjustment is required.
I was Therefore, the present invention has been made in view of the above-described conventional problems, and the object thereof is to:
An object of the present invention is to provide a card reader transport unit that can assemble a magnetic head and a transport mechanism without adjustment in an entire assembly process, enables automatic assembly, and shortens work time.

[0005]

In order to achieve this object, a transport unit of a card reader according to the present invention comprises a drive motor and a transmission shaft to which rotation of an output shaft of the drive motor is transmitted. And provided on each of the transmission shaft and the output shaft,
A gear for transmitting the rotation of the output shaft to the transmission shaft, a touch roller and a drive roller attached to the transmission shaft, a transport roller paired with the drive roller and mounted on the rotation shaft, A transport belt stretched between transport rollers and transporting the card, and a magnetic head attached to the touch roller via a head bracket by being pressed against the touch roller, and rotating the drive motor, the transmission shaft, and the transport roller. The shaft and the head bracket are attached to one bracket.

[0006]

In the transport unit of the card reader according to the present invention, the transmission shaft is attached to the bracket,
The crossing angle between the transmission shaft and the motor shaft and the distance between the shafts are determined, and by attaching the bracket of the magnetic head to the bracket, the parallelism and the interval between the head surface of the magnetic head and the transmission shaft are determined.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 is an exploded perspective view of a right side portion of the present invention, FIG. 2 is an exploded perspective view of a left side portion of the present invention, FIG. 3 is a front view of a card transport path of the present invention, and FIG. 5 and 5 are sectional views taken along the line VV of FIG. 2, FIG. 6 is a front view of the card transport unit of the present invention viewed from the card insertion side, FIG. 7 is an exploded perspective view of the card transport unit of the present invention, and FIG. FIG. 9 is a detailed sectional view of a driven roller of the present invention, FIG. 9 is a plan view of another embodiment of the driven roller of the present invention, and FIG. 10 is a sectional view taken along line XX of FIG. In these figures, what is indicated by reference numeral 2 is a housing entirely formed of synthetic resin, which is generally a card transport wall 10 formed in the center, an enclosure wall 30 provided so as to surround the periphery, and a transport unit 50 described later. And a base plate 36 for connecting them.

Hereinafter, the configuration of the front side (right side) of the card transfer wall 10 will be described mainly with reference to FIGS. A card insertion / return port 11 is formed at the front end (front surface) of the card transfer wall 10, and the front end is chamfered 11a so that the card can be easily inserted. A shutter mechanism 1 to be described later is provided at the center of the card transport wall 10 which has advanced from the card insertion / return port 11 in the insertion direction.
A through-hole 12 is provided in which a shutter pin 00 (not shown) is inserted so as to be able to protrude and retract. Card insertion and return slot 1
A pair of mounts 13 to which a front guide unit 40 to be described later is mounted are erected from the card transfer wall 10 above and below the card transfer wall 10. 13a is a mounting hole provided in the mounting base 13. Reference numeral 14 denotes a rib protruding from the card transport wall 10 along the card insertion direction to allow the card 5 to move smoothly on the card transport path 3.

On the upper and lower sides of the card transport wall 10, guide walls 15 are provided upright at intervals substantially equal to the width of the card. At the center of the card transport wall 10, a pair of windows 16 from which a driven roller 130 described later projects into the card transport path 3 and a notch 17 in which a magnetic head 70 described later is stored are provided. Further, at the rear of the card transport wall 10,
The side wall of the notch 17 serves as the entrance 18a, and the upper guide wall 1
A groove 18 having a recessed cross section with 5b as an outlet 18b is provided so as to cross the card transfer wall 10. This groove 18
Is for holding a lead wire 71b of a magnetic head 70, which will be described later. As shown in detail in FIG. 10, a side edge of the upper opening is chamfered 18c, and a tongue piece is formed from the lower end of the chamfered portion 18c. 18d protrude alternately. The opening 18e formed in the bottom surface of the groove 18 is formed with a tongue piece 18 by molding.
This is for removing a pin when forming d .

Hereinafter, the configuration of the back side (left side) of the card transfer wall 10 will be described mainly with reference to FIG. The mounting table 13 is provided upright on the back side of the card transport wall 10 and has a mounting port 13b connected to the mounting hole 13a. A boss 21 to which a shutter mechanism 100 to be described later is attached and fixed is formed on the opposite side of the mounting base 13 so as to protrude from the back surface of the card transport wall 10. Behind the boss 21, an annular punch unit storage section 22 is provided.
Is provided, and the bottom of the storage section 22 (card transport wall 1) is provided.
In (0), a through hole 23 is formed.

Around the pair of windows 16 described above, a regulating projection 24 for regulating the rotation direction of the shaft 132 of the driven roller 130 and a regulating projection 25 for regulating the axial movement of the shaft 132 are formed to project. I have. At the intermediate position between the two windows 16, a boss 26 for attaching a pressing spring 135 described later and a mounting projection 27 for mounting the pressing spring 135 are formed so as to protrude.

Hereinafter, mainly based on FIGS. 1 and 2,
The configuration of the transport unit mounting table 32 and the base plate 36 will be described. The transfer unit mounting table 32 is integrally formed on both sides of the card transfer wall 10 at a position lowering from the front surface of the transfer wall 10 to the back surface. The mounting table 32 is provided with a pair of positioning projections 33 and mounting holes 34. The base plate 36 is disposed substantially at the center in the thickness direction (left-right direction) of the housing 2, and a plurality of two types of bosses 37 and 38 having different heights are formed on the front surface and the rear surface. . The higher boss 37 is for mounting and fixing covers 90 and 145 described later, and the lower boss 38 is for mounting and fixing wiring boards 85 and 140 to be described later.

Hereinafter, based mainly on FIGS. 1, 3 and 4, the front guide unit 40, the transport unit 50, the rear guide plate 80, the wiring board 85 and the cover 90 are attached to the right side of the housing 2. Each configuration will be described. The front guide unit 40 includes a guide plate 41 and a sensor board 47. The guide plate 41 includes a transport wall 42, a mounting piece 43, and a side plate 44, and a boss 43 provided on the bottom surface of the mounting piece 43.
a into the mounting hole 13a,
3 attached. At this time, the card transfer path 3 is formed by the transfer wall 42 and the transfer wall 10 of the housing 2. The transfer wall 42 has a positioning pin 42b and a mounting boss 42a.
An engagement hook 44a is provided on the side plate 44, and the sensor substrate 47 is positioned on the guide plate 41 by the pin 42b and the hook 44a.
8 attached.

As shown in detail in FIGS. 6 and 7, the transport unit 50 comprises a drive motor 58, a transmission shaft 61, a transport belt 69, a magnetic head 70, and a bracket 51 for integrally mounting these components. You. The bracket 51 includes a pair of side plates 52 and 53 and a spacing plate 54 having a U-shaped cross section, a pair of mounting plates 55 and 56 and a side plate 53.
And a motor mounting plate 57 formed by bending at right angles. One side plate 52 has a key-shaped bearing hole 52a and a support hole 52b, and the other side plate 53 has a bearing hole 52a.
And bearing holes 53a are provided opposite to each other. The side plate 53 is provided with a mounting hole 53b and a positioning long hole 53c. On the mounting plate 55,
A mounting hole 55a and an elongated positioning hole 55b are provided. The other mounting plate 56 has a mounting hole (not shown) and a perfect circular positioning hole 56b shown in FIG.
Are provided.

The drive motor 58 is a motor that rotates forward and backward.
A worm 60 is attached to the output shaft 59 and a screw 58
It is fixed to the mounting plate 57 of the bracket 51 by a. On the transmission shaft 61, a warwheel 62 meshing with the worm 60, a touch roller 64, and a drive roller 65 are attached so as to rotate integrally with the transmission shaft 61. The transmission shaft 61 is rotatably supported by bearing holes 52a and 53a via a bearing 63, and is prevented from coming off in the axial direction by an E-ring 66b via a washer 66a. The transport roller 68 is rotatably supported by a stepped shaft 67 attached to a support hole 52b of the side plate 52. A transport belt 69 is stretched between the drive roller 65 and the transport roller 68.

A magnetic head 70 has a head substrate 71 mounted thereon. The magnetic head bracket 72 includes a pair of side plates 73 and a bottom plate 74. The side plate 73 has a magnetic head mounting hole 73a, and the bottom plate 74 has a mounting hole 74a and a positioning dowel 74b. Therefore, the magnetic head 70 is attached to the bracket 72 by the screw 75, and the bracket 72 is attached by the screw 76 while adjusting the position by fitting the dowel 74b into the long hole 53c of the side plate 53 of the bracket 51.

The rear guide plate 80 includes a transfer wall 81 and a mounting piece 82. The mounting piece 82 is provided with a positioning boss 83 having a positioning hole 83a.
The rear guide plate 80 forms the transport path 3 with the transport walls 10 and 81 by positioning the hole 83a on the positioning pin 39 and mounting the mounting piece 82 on the guide wall 15.

Reference numeral 85 denotes an interface board (hereinafter referred to as an IF board) for exchanging control signals and the like between the apparatus and an external apparatus.
And a large-diameter insertion hole 87 through which an attachment screw 92 of a cover 90 described later is inserted, and attached to the boss 38 by a screw 88. The cover 90 covers the opening of the housing 2 to prevent dust and the like from entering the inside of the apparatus, and to assure the internal parts in terms of strength. The cover 90 has ribs 9 protruding at positions corresponding to screw holes 91 and a punch residue guide groove 115 described later.
3 are provided. The cover 90 is attached to the boss 37 with screws 92 and closes the opening on the right side of the housing 2.

A shutter mechanism 100 attached to the left side of the housing 2 will be mainly described with reference to FIG.
Inlet cover 105, punch residue discharging mechanisms 110, 12
0, driven roller 130, holding spring 135, wiring board 14
0 and the cover 145 will be described. When the shutter mechanism 100 operates, a pin (not shown) protrudes into the card transport path 3 from the through hole 12 to prevent insertion of the second and subsequent cards. The shutter mechanism 100 is provided with a screw 102 through a mounting hole 101a provided in the mounting portion 101.
Is attached to the boss 21. Slot cover 105
Is composed of a front portion 106, a side portion 107, and a boss 108 projecting from the side portion.
b, and is fixed by screws 45 so as to sandwich the card transport wall 10 with the front guide unit 40 described above.

The punch unit 110 and the punch dust case 120 constitute a punch residue discharging mechanism, and a detailed configuration thereof will be described with reference to FIG. The punch unit 110 includes an electromagnetic solenoid 111, a plunger 112, a punch pin 113, and a punch table 114. The punch unit 110 is stored and fixed in the punch mechanism storage unit 22 so that the surface on the punch pin 113 side faces the card transport path 3 from the through hole 23. Have been. The punch stand 114 is provided with a punch hole 114a, and is provided with an electromagnetic solenoid 111.
Is energized, the plunger 112 operates and the pin 113
Protrudes into the card transport path 3 to form a small hole in the card 5.

In the housing 2 in which the punch unit 110 is mounted, a guide groove 115 is provided on the back of the punch hole 114a of the punch base 114, and the guide groove 115 and the punch hole 114a are formed by a through hole 116. Are in communication. A pocket 125 integrally formed with the housing 2 is provided below the guide groove 115, and the pocket 125 and the guide groove 115 are communicated with each other through a drop port 117. A notch 126 is provided on the lower end surface of the pocket 125.

The punch dust case 120 has substantially the same outer shape as the pocket 125, and has an opening 121 at the upper end surface.
Knobs 122 are provided on the back surface, respectively. The case 120 holds the knob 122 and holds the pocket 1.
The punch residue is stored in the pocket 125 while the punch residue is stored therein. When the punch residue accumulates, the punch residue is removed and the punch residue is disposed of. When the cover 90 is put on the housing 2, the rib 93 of the cover 90 fits the opening of the guide groove 115, and seals the guide groove 115.

Reference numeral 130 denotes a pair of driven rollers,
2, the shaft 132 is rotatably supported by the regulating protrusions 24 and 25, so that the driven roller 130 faces the card transport path 3 from the window 16 and faces the driving rollers 65 and 68. The presser spring 135 is entirely formed of a thin plate-like spring material, and includes a base 136 and an arm 137. And, this presser spring 13
5 has the base 136 mounted on the mounting projection 27 and the screw 13
By attaching to the boss 26 at 8, the arm 137 presses the shaft 132, whereby the driven roller 130 is pressed against the transport belt 69.

As shown in FIG. 8 in detail, the driven roller 130 has on its surface a protrusion 131 having an involute tooth shape in cross section in a direction perpendicular to the rotation direction (spur gear). The tip 131a of the projection 131 is removed, and the tip edge 131b of the projection 131 forms a corner, and the tip edge 131b is pressed against the belt 69 at an acute angle. Therefore, dirt and the like adhering to the rotating belt 69 are removed by the front edge 131b,
The belt is cleaned.

FIG. 9 shows another embodiment of the driven roller. Projection 13 of driven roller 133 of this embodiment
Reference numeral 4 denotes a helical gear formed at an acute angle with respect to the rotation direction of the belt 69. With such a configuration, the pressing force against the belt 69 is increased as compared with the above-described spur gear shape, and the cleaning effect of the belt is further remarkable.

Reference numeral 140 denotes a main board of the apparatus, which is a screw 141.
Is attached to the boss 38. A cover 145 is attached to the boss 37 by a screw 146, and closes an opening on the left side of the housing 2.

Hereinafter, the assembling method will be described. First, the housing 2 is assembled from the left side. This will be described with reference to FIG. The punch unit 110 is inserted into the punch accommodating portion 22, and screws 118 are inserted from the right side of the housing.
To the housing 2. (See FIG. 1) The shaft 132 of the driven roller 130 is connected to the regulating protrusions 24 and 25.
The presser spring 135 is attached to the boss 26 by being inserted therebetween. The shutter unit 100 is mounted on the boss 21.
The main board 140 is attached to the boss 38. The insertion port cover 105 is inserted into the mounting port 13b to perform temporary mounting. Finally, the cover 145 is attached to the boss 37.

Next, the housing 2 is assembled from the right side. This will be described with reference to FIGS. 1, 6, and 7. First, sub-assembly of the transport unit 50 is performed. This will be described with reference to FIGS. A stepped shaft 67 that rotatably supports one of the transport rollers 68 is supported by being caulked in a support hole 52 b of the side plate 52. The drive motor 58 is mounted on the mounting plate 57 by screws 58a . A transmission shaft 61 to which the worm wheel 62, the touch roller 64 and the drive roller 65 are attached is rotatably supported by bearings 52a and 53a of both side plates 52 and 53 via a bearing 63. At this time, the transport belt 69 is simultaneously stretched over the drive roller 65 and the transport roller 68. The washer 66a is attached to the transmission shaft 61 so as to be engaged with the outer surfaces of the both side plates 52 and 53, thereby restricting the movement of the transmission shaft 61 in the axial direction, and the transmission shaft 61 is fixed to the both side plates 52 and 53 by the E-ring 66b. Support rotatably.

The magnetic head 70 is inserted between both side plates 73 of the bracket 72 and is fixed by a plurality of set screws 75 (adjustment means). At the time of this fixing, the magnetic head 7
0 is adjusted by the set screw 75 in the front-rear direction so that the center of the head gap coincides with the center of the mounting hole 74a, and the inclination of the head gap with respect to the horizontal plane is adjusted.
The bracket 72 fits the positioning dowel 74b into the long hole 53c of the side plate 53, moves the inside of the long hole 53c to adjust the distance between the magnetic head 71 and the touch roller 64, and
6 attaches to the side plate 53.

The transport unit 5 thus sub-assembled
0 and the front guide unit 40 at the same time with the screw 55c and the screw 45 with the mounting hole 34 and the mounting hole 13 respectively.
a. At this time, in the transport unit 50, the positioning holes 56b of one mounting plate 56 function as positioning with respect to the pair of positioning protrusions 33 of the mounting table 32, and the other long hole 55b functions as position adjustment. When the transport unit 50 is mounted, the lead wire 71b of the magnetic head is inserted into the groove 18 formed in the transport wall 10 from the front to the rear in FIG. 3 and held by the tongue 18d. The held lead wire 71b is positioned below the transport surface of the transport path 3 as shown in FIG. A connector (not shown) is attached to the end of the lead wire 71b. The screw 45 of the front guide unit 40 also fixes the above-mentioned temporarily fixed input port cover 106 together.

The rear guide plate 80 is incorporated in the housing 2 by fitting the positioning holes 83a into the positioning projections 39 and mounting the mounting piece 82 on the guide wall 15. The connector of the above-mentioned lead wire 71b is electrically connected to the IF board 85, and the IF board is attached to the boss 38 with screws 88. Finally, the cover 90 is attached to the boss 37 by screws 92. At this time, rib 9
3 fits into the opening of the guide groove 115 of the punch residue.

The operation will be described below mainly with reference to FIGS. 3 and 4. When the card 5 is inserted from the card insertion / return port 11, a detection mechanism (not shown) detects the inserted card and operates the drive motor 58. Therefore, the card 5 whose leading end has reached the transport belt 69 is taken into the apparatus. At this time, the shutter mechanism 100 is actuated, and the pins protrude from the through hole 12
Prevents subsequent cards from being inserted. The frequency of the read card 5 is read by the magnetic head 70. Next, the frequency of the card is rewritten by the magnetic head 70 in accordance with the frequency of use of the apparatus. When the frequency is rewritten, the drive motor 58 rotates in the reverse direction, and the card 5 is transported by the transport belt 69 from the inside of the apparatus in the returning direction. In accordance with the rewriting amount of the frequency, the punch mechanism 111
A small hole is formed in a predetermined position by the punch pin 113, and the card 5 is returned from the card insertion / return port 11. The punch residue generated by the punch mechanism 111 is discharged from the through hole 116 into the punch residue guide groove 115 as shown in FIG. 5, and is stored in the punch dust case 120 through the falling port 117 and the opening 121.

[0033]

As described above in detail, according to the card reader transport apparatus of the present invention, the transmission shaft on which the touch roller and the drive roller are mounted, the head bracket on which the magnetic head is mounted by the adjusting means, and Since the drive motor is mounted on one bracket, the sub-assembly determines the intersection angle between the transmission shaft and the drive motor shaft, the distance between the shafts, and the parallelism and spacing between the transmission shaft and the magnetic head.
Transport unit that can be adjusted at
The knit is almost the same as the other components during the total assembly.
It can be assembled in the same adjustment work time,
For this reason, automation becomes possible. Also, magnetic head, drive
Mount the motor, transmission shaft and transport roller on one bracket.
To make adjustments when attaching
The complicated
Adjustment work time is reduced as compared to a simple adjustment work.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a right side portion of the present invention.

FIG. 2 is an exploded perspective view of a left side portion of the present invention.

FIG. 3 is a front view of the card transport path of the present invention.

FIG. 4 is a sectional view taken along line IV-IV in FIG. 3;

FIG. 5 is a sectional view taken along line VV of FIG. 2;

FIG. 6 is a front view of the card transport unit of the present invention viewed from the card insertion side.

FIG. 7 is an exploded perspective view of the card transport unit of the present invention.

FIG. 8 is a detailed sectional view of a driven roller of the present invention.

FIG. 9 is a plan view of another embodiment of the driven roller of the present invention.

FIG. 10 is a sectional view taken along line XX of FIG. 3;

[Explanation of symbols]

 2 Housing 3 Card transport path 5 Card 10 Card transport wall 50 Transport unit 51 Bracket 58 Drive motor 59 Output shaft 60 Worm 61 Transmission shaft 62 Worm wheel 64 Touch roller 65 Drive roller 68 Transport roller 69 Transport belt 70 Magnetic head 72 Head bracket 130 driven roller 140 main board 145 cover

Claims (1)

(57) [Claims] 1. A drive motor and an output shaft of the drive motor
A transmission shaft to which the rotation of the transmission shaft is transmitted, a gear provided on each of the transmission shaft and the output shaft, for transmitting the rotation of the output shaft to the transmission shaft, a touch roller and a driving roller attached to the transmission shaft, A transport roller paired with a drive roller and mounted on a rotating shaft, a transport belt stretched between the drive roller and the transport roller to transport a card, and the touch roller is pressed into contact with the head via a head bracket. A transport unit for a card reader, comprising a magnetic head mounted thereon, wherein the drive motor, the transmission shaft, the rotation shaft of the transport roller, and the head bracket are mounted on a single bracket.