JP2774057B2 - Printing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus incorporated in an automatic transaction apparatus installed in a financial institution or the like, and more particularly to printing on a roll-shaped printing medium and winding the printing medium after printing. The present invention relates to a printing device that winds around a shaft.

[0002]

2. Description of the Related Art Conventionally, some automatic transaction apparatuses installed in financial institutions and the like have a built-in printing apparatus. For example, printing is performed on a roll-shaped journal sheet.
2. Description of the Related Art There is an apparatus in which a journal printer for winding a journal paper after printing on a winding shaft is incorporated.

Hereinafter, the structure of a conventional journal printer will be described with reference to the drawings. FIG. 6 is an explanatory view showing the structure of a conventional journal printer. In FIG. 6, a journal printer 1 provided in an automatic transaction apparatus includes a journal paper storage unit 2 and a journal as a roll-shaped print medium.
It comprises a printing unit 4 for printing on the null paper 3 and a journal paper winding unit 5.

The journal paper storage unit 2 includes a core 7 around which the journal paper 3 is wound, a pair of transport rollers 8a,
8b.

The printing unit 4 includes a roller-shaped platen 9 and a thermal head 10 opposed to the platen 9. The thermal head 10 is pressed by a spring or the like (not shown) at the time of printing. The platen 9 comes into contact with the platen 9 via the journal paper 3 and is separated from the platen 9 by a driving means such as a solenoid (not shown) during non-printing.

The journal paper take-up section 8 has a guide roller 11 and a pair of guide members 13a, 13b which are opened and closed by rotating about respective fulcrums 12a, 12b.
, A winding shaft 14, and a gear 15 and a projection 16 provided at one end of the winding shaft 14, and the winding shaft 14 has a wedge-like shape penetrating in a radial direction while avoiding a center portion thereof. Are provided.

The gear 15 meshes with a gear 18 for transmitting power from a motor (not shown) to the gear 15. Further, the projection 16 provided on the winding shaft 14 is provided with a switch 19.
When the switch 19 detects the protrusion 16, the rotation of the winding shaft 14 is stopped.

Each of the above-mentioned elements is a pair of left and right printer frames.
The take-up shaft 14 can be easily attached and detached by a guide groove 20a provided in the printer frame 20.

Next, the winding operation of the journal paper 3 in the above configuration will be described. FIGS. 7, 8, and 9 are explanatory views showing a conventional journal sheet winding operation. In FIG. 7, when the journal paper 3 is set, both ends of the take-up shaft 12 are inserted into the guide grooves 20a of the printer frame 20, and are pushed to the closed end. The thermal head 10 is separated from the platen 9 by a driving mechanism (not shown), and the guide members 13a and 13b are
a and 12b are rotated to a closed state and positioned in the guide area.

Further, the take-up shaft 14 is rotated in the direction of arrow A by a motor (not shown) via a gear 18 and a gear 15, and the position where the protrusion 16 is detected by the switch 19 as shown in FIG. Then, the winding shaft 14 is stopped.

As a result, the slit 17 is stopped at a position substantially in line with the guide members 13a and 13b so that the wide portion is on the guide members 13a and 13b side.

In this state, after the leading end of the journal paper 3 wound around the core 7 is sandwiched between the transport rollers 8a and 8b, the transport rollers 8a and 8b and the platen 9 are moved in a predetermined direction. 7, the leading end of the journal paper 3 is guided between the platen 9 and the thermal head 10, and further guided to a guide roller 11, as shown in FIG. And enters the slit 17.

Since the leading end of the journal paper 3 is further fed and protrudes from the slit 17, as shown in FIG. 8, the guide members 13a and 13b are rotated around the fulcrums 12a and 12b to open. When the take-up shaft 14 is rotated several times in the direction of arrow A through the gears 18 and 15 by the motor or the like, the journal paper 3 is wound around the take-up shaft 14 as shown in FIG. The setting of the null paper 3 is completed.

Thereafter, when a transaction is performed by the automatic transaction apparatus in which the journal printer 1 is incorporated, the transaction is started.
The round head 10 is connected to the platen 9 via the journal paper 3.
, The transaction data is printed on the journal paper 3 by the thermal head 10, and the transport rollers 8a, 8b, the platen 9, and the winding shaft 14
Is rotated, and the journal paper 3 is wound around the winding shaft 14. Thereafter, the journal paper 3 is similarly wound up for each printing.

The printed journal paper 3 is collected entirely from the core 7 and taken up by the winding shaft 14 to a locus 28 having a maximum diameter indicated by a two-dot chain line in FIG. After that, or if necessary, by a cutter (not shown) arranged between the platen 9 and the guide roller 11.
After cutting the null paper 3 in the middle, the winding shaft 14 is removed from the groove 20a of the printer frame 20.

As described above, the guide members 13a,
13b is the slit 1 of the take-up shaft 14 for the journal paper 3;
7, the journal paper 3 is positioned at the position shown in FIG. 8 when the journal paper 3 is wound around the winding shaft 14 and during printing.

[0017]

In the above-mentioned conventional journal printer, when the journal paper enters the slit of the take-up shaft and projects from the slit, the take-up shaft is rotated to remove the journal paper. The guide member must be retracted from the winding unit during the paper setting operation so that the journal paper does not come into contact with the guide member when the journal paper is wound around the take-up shaft. was there.

Further, when printing is performed, when the journal paper is wound around the winding section, the guide member is moved from the winding section during printing so that the journal paper does not contact the guide member. I needed to evacuate.

The guide member when retracted from the winding section does not obstruct the storage section and the journal paper set in the winding section, so that the path of the maximum diameter of the journal sheet in the winding section and the storage position can be reduced. The area must not be in contact with the locus of the maximum diameter of the journal paper.

Therefore, a space must be provided for the guide member to retreat, so that there is a problem that the apparatus becomes large.

[0021]

Means for Solving the Problems The solution provided by the present invention for solving the above problems is to guide at the time of setting,
In a printing apparatus in which a roll-shaped print medium fed from a storage section is guided by a retracting guide member during printing to a winding section and wound, a locus of the maximum diameter of the roll-shaped print medium in the storage section and A guide member is provided in a portion where the locus of the maximum diameter of the roll-shaped printing medium of the take-up portion overlaps, and biasing means for following the change of the diameter of the roll-shaped printing medium in the storage portion is provided. It is a thing.

[0022]

The guide member guides the roll-shaped printing medium when the roll-shaped printing medium is set on the winding section. During printing, the guide member retracts, but the guide member retracts from the winding section while following the change in the diameter of the roll-shaped print medium in the storage section.

Therefore, the guide member can be provided at a portion where the locus of the maximum diameter of the roll-shaped printing medium in the storage section and the locus of the maximum diameter of the roll-shaped printing medium in the winding section overlap. Accordingly, the size of the device can be reduced.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings. Elements common to the drawings are denoted by the same reference numerals. FIG. 1 is an explanatory diagram showing the structure of a journal printer according to one embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the structure of a part of the journal printer according to one embodiment. In FIG.
Journal printer 1 provided in automatic transaction device
Is composed of a journal paper storage unit 2, a printing unit 4 for printing on a journal paper 3 which is a roll-shaped printing medium, and a journal paper winding unit 5.

The journal paper storage unit 2 includes a core 7 around which the journal paper 3 is wound, a pair of transport rollers 8a,
8b.

The printing section 4 is composed of a roller-shaped platen 9 and a thermal head 10 opposed to the platen 9. The thermal head 10 is pressed by a biasing means such as a spring (not shown) at the time of printing. The platen 9 comes into contact with the platen 9 via the journal paper 3 and is separated from the platen 9 by a driving means such as a solenoid (not shown) during non-printing.

As shown in FIGS. 1 and 2, the journal paper take-up section 8 is attached to a guide roller 11 and links 21 and 22, respectively, and rotates around fulcrums 12a and 12b, respectively. A pair of guide members 1 that are opened and closed by
3a, 13b, a solenoid 23 as a drive source to which one end of the link 22 is attached, a winding shaft 14, a gear 15 and a projection 16 provided at one end of the winding shaft 14. The winding shaft 14 is provided with a wedge-shaped slit 17 that penetrates in the radial direction avoiding the center portion.

A link 25 is pinned to the movable core of the solenoid 23, and one end 22a of the link 22 is pinned to the link 25. One end of the link 22 is attached to a printer frame 20, which will be described later, and the other end is urged in the direction of arrow B by a spring 24 attached to the link 22, whereby the link 25 is biased in the return direction. Have been.

A post 26 is attached to the other end 22b of the link 22, and one end 21a of the link 21 is in contact with the post 26. At the other end 21b of the link 21,
One end of a spring 27 serving as an urging means is attached, and the link 21 is urged by the spring 27 in the direction of arrow C.

The gear 15 is meshed with a gear 18 for transmitting power from a motor (not shown) to the gear 15. Further, the projection 16 provided on the winding shaft 14 is provided with a switch 19.
When the switch 19 detects the protrusion 16, the rotation of the winding shaft 14 is stopped.

Each of the above elements is a pair of left and right printer frames.
The take-up shaft 14 can be easily attached and detached by a guide groove 20a provided in the printer frame 20.

The locus 29 of the maximum diameter of the journal paper 3 wound on the core 7 and the locus 28 of the maximum diameter of the journal paper 3 shown by a two-dot chain line wound on the winding shaft 14.
The core 7 and the take-up shaft 14 are disposed so as to overlap with each other. The locus 29 of the maximum diameter of the journal paper 3 wound around the core 7 and the journal wound around the take-up shaft 14 Paper 3
The guide member 1 is attached to a portion 30 where the locus 28 of the maximum diameter of
3a is provided.

Next, the winding operation of the journal paper 3 in the above configuration will be described. FIGS. 3, 4, and 5 are explanatory views showing the journal sheet winding operation of the embodiment. FIG.
In the case where the journal paper 3 is set, the both ends of the take-up shaft 12 are guided by the guide grooves 20a of the printer frame 20.
And push it down to its closed end. In addition, the thermal head 10 is separated from the platen 9 by a drive mechanism (not shown), and power is supplied to the solenoid 23 shown in FIG. Then, the core 25 moves in the direction of arrow D, and the link 2
2 rotates in the direction of arrow E about the fulcrum 12b, and assumes the position indicated by the broken line. With the rotation of the link 22, the link 21 rotates in the direction of the arrow H about the fulcrum 12a and assumes a position shown by a broken line, and the guide members 13a and 13b rotate to a position shown by a broken line to be in a closed state. Is located in the area.

Further, the take-up shaft 14 is rotated in the direction of arrow A by a motor or the like via a gear 18 and a gear 15 (not shown), and as shown in FIG. Then, the winding shaft 14 is stopped.

Thus, the slit 17 is stopped at a position substantially in line with the guide members 13a and 13b so that the wide portion is on the guide members 13a and 13b side.

In this state, after the leading end of the journal paper 3 wound around the core 7 is sandwiched between the transport rollers 8a and 8b, the transport rollers 8a and 8b and the platen 9 are moved in a predetermined direction. 3, the leading end of the journal paper 3 is guided between the platen 9 and the thermal head 10, and further guided to a guide roller 11, as shown in FIG. And enters the slit 17.

Then, the leading end of the journal paper 3 is further fed and protrudes from the slit 17, so that the energization of the solenoid shown in FIG. 2 is stopped. Then, the link 25 moves in the direction of the arrow B, and the link 22 rotates in the direction of the arrow G about the fulcrum 12b, and assumes the position shown by the solid line, and
Is open. Link 2 with rotation of link 22
1 attempts to rotate in the direction of arrow F around the fulcrum 12a to the position shown by the solid line, but the guide member 13a abuts on the journal paper 3 and cannot rotate, as shown in FIG.

When the take-up shaft 14 is rotated several times in the direction of arrow A through the gears 18 and 15 by the motor or the like, the journal paper 3 is wound around the take-up shaft 14 as shown in FIG. Then, the setting of the journal paper 3 is completed.

Thereafter, when a transaction is performed by the automatic transaction apparatus in which the journal printer 1 is incorporated, the transaction is started.
The round head 10 is connected to the platen 9 via the journal paper 3.
, The transaction data is printed on the journal paper 3 by the thermal head 10, and the transport rollers 8a, 8b, the platen 9, and the winding shaft 14
Is rotated, and the journal paper 3 is wound around the winding shaft 14.

Thereafter, the journal paper 3 is wound in the same manner for each printing, and as the diameter of the journal paper 3 wound around the core 7 decreases, the guide member 13a moves in the direction of arrow F shown in FIG. The guide member 13a retreats from the journal paper winding section 5 with an increase in the diameter of the journal paper 3 wound around the winding shaft 14, so that the guide member 13a does not become an obstacle.

The printed journal paper 3 is collected after the journal paper 3 is completely unwound from the core 7 and wound on the winding shaft 14 to the locus 28 having the maximum diameter shown in FIG. Platen 9 and guide roller 1 as required
The cutting is performed by cutting the journal paper 3 in the middle by a cutter (not shown) arranged between them, and then removing the winding shaft 14 from the groove 20a of the printer frame 20.

[0042]

Since the present invention is configured as described above, it has the following effects. When the roll-shaped printing medium is set on the winding section, the guide member is
Guide the print media. During printing, the guide member retracts, but retracts from the winding section with a decrease in the diameter of the roll-shaped printing medium in the storage section. A guide member can be provided at a portion where the locus of the maximum diameter of the roll-shaped printing medium of the take-over portion overlaps, and the apparatus can be downsized.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing the structure of a journal printer according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram illustrating a partial structure of a journal printer according to an embodiment.

FIG. 3 is an explanatory diagram showing a journal sheet winding operation of one embodiment.

FIG. 4 is an explanatory diagram showing a journal sheet winding operation of one embodiment.

FIG. 5 is an explanatory diagram showing a journal sheet winding operation of one embodiment.

FIG. 6 is an explanatory view showing the structure of a conventional journal printer.

FIG. 7 is an explanatory view showing a conventional journal sheet winding operation.

FIG. 8 is an explanatory view showing a conventional journal paper winding operation.

FIG. 9 is an explanatory view showing a conventional journal sheet winding operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Journal printer 2 Journal paper storage part 3 Journal paper 5 Journal paper take-up part 13a Guide member 13b Guide member 23 Solenoid 27 Spring

Claims (2)

(57) [Claims] 1. A printing device for guiding a roll-shaped print medium fed from a storage section to a winding section by a guide member which guides at the time of setting and retracts at the time of printing. A guide member is provided at a portion where the locus of the maximum diameter of the print medium and the locus of the roll of the roll-shaped print medium at the winding portion overlap each other, and the change in the diameter of the roll-shaped print medium at the storage portion is prevented. A printing apparatus comprising an urging means for following a guide member. 2. A printing apparatus which guides a roll-shaped print medium fed from a storage section by a guide member which guides at the time of setting and retracts at the time of printing, and guides the roll-shaped print medium to a winding section. A guide member is provided at a portion where the locus of the maximum diameter of the print medium and the locus of the roll of the roll-shaped print medium at the winding portion overlap each other, and the change in the diameter of the roll-shaped print medium at the storage portion is prevented. A biasing means for following the guide member is provided, a drive means for positioning the guide member in the guide area when setting, and a printing means for positioning in the retraction area when printing, and attaching another guide member to this drive means to form a guide member pair. A printing device, comprising: