JP2874099B2 - Medium suction mechanism in medium printing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Summary] A pocket portion for setting a recording medium such as a passbook or a slip,
A transport unit for feeding the recording medium set in the pocket to the printing position, and a print head fixedly mounted on the medium by the print head while the carrier moves laterally to the traveling direction of the recording medium. Regarding the media suction mechanism in a media printing device that consists of a printer printing mechanism that performs printing, it does not complicate the shape of the ribbon mask attached to the print head and prevents clogging when the media moves from the pocket to the printer printing unit. When the recording medium is sucked into the print position from the pocket,
A medium suction mechanism is characterized in that the carrier is inclined to open the medium entrance from the pocket to the printing position.

[Industrial applications]

The present invention relates to a printing apparatus for recording media (hereinafter, referred to as a medium) such as a passbook and a slip used in a bank, and more particularly to a means for preventing clogging inside a printer of a printer when a medium is inhaled. The present invention relates to a medium suction mechanism provided.

2. Description of the Related Art In recent years, a terminal device of an online system used in a bank or the like is required to have a high speed and accurate processing. For this reason, in a medium printing apparatus, even if the medium set in the pocket portion is slightly bent or deformed, it is necessary to transport the medium to the printing section without clogging and discharge the medium to the operator after printing is completed. It is.

[Conventional technology]

In this type of conventional printing position, the shape of the ribbon mask attached to the print head for guiding the medium to the print head is complicated in order to prevent clogging in the printing section when the medium is sucked. This results in very high costs. In addition, since there is a difference in a method of inserting a medium into a pocket portion and a direction in which the medium is applied to a user, it is difficult to cope with a common ribbon mask having a fixed shape. For this reason, printers having several specifications are required.

Further, in order to prevent clogging from occurring when the medium is sucked and ejected, when the medium moves from the pocket portion to the printing portion of the printer, the home position where the medium carrying the print head does not pass (either the left or right position outside the printing area). ), And the processing speed is slow.

[Problems to be solved by the invention]

As described above, in the conventional medium printing apparatus, special parts for preventing the medium from being clogged in the printer unit at the time of inhaling the medium are required, so that the cost increases and the processing time cannot be shortened. Had occurred.

Accordingly, the present invention provides a medium suction mechanism in a medium printing apparatus that does not cause clogging when a medium moves from a pocket portion to a printing portion of a printer without complicating the shape of a ribbon mask attached to a print head. The purpose is to:

[Means for Solving the Problems] To solve such problems, according to the present invention,
As shown in FIG. 1, a pocket section (1) for setting a recording medium (a), a transport section (2) for feeding the recording medium set in the pocket section to a printing position (P), and a print head ( A printer for performing printing on a recording medium by a print head while a carrier (5) on which the recording medium is fixedly mounted moves along a stay shaft (6) arranged transversely to the direction of travel of the recording medium; In a medium printing apparatus comprising a printing mechanism (3), when a recording medium (a) is sucked into a printing position (P) from the pocket portion (1), as shown in FIG. Is tilted about the stay shaft to open the medium inlet (B) from the pocket to the printing position, and the mechanism for tilting the carrier is a lever arranged in parallel with the stay shaft; To Comprising a binding were magnets, medium suction mechanism in the medium printing apparatus, characterized in that against the lever protrusion of the carrier is intended to tilt the carrier.

The carrier (5) prints on the recording medium by the print head (4) while reciprocating along the stay shaft (6) arranged in the transverse direction to the traveling direction of the recording medium, and sucks the medium. The carrier (5) may be inclined about the stay shaft. The first
In the figure, 7 is a mask for guiding the recording medium (a) when the recording medium (a) is sucked from the pocket (1) to the printing position (P), and 8 is a feed roller in the printer printing unit.

[Action]

According to the present invention, in a normal printing state, FIG.
The carrier (5) is in a non-inclined position. At the start of printing, the carrier (5) is tilted about the stay shaft (6) by applying the force of arrow F to the carrier (5) as shown in FIG.
The gap or opening (B) where the mask (7) is attached is increased. When the medium (a) comes from the pocket (1) to a predetermined printing position, the carrier (5) returns to the position shown in FIG. 1 (a), and printing by the print head 4 is started.
Thus, even if the recording medium (a) is deformed or the like, the carrier (5) itself can be prevented from being jammed without complicating the shape of the mask ribbon, by the inclined opening of the carrier.

〔Example〕

2 and 3 are a side view and a plan view showing a medium suction mechanism of the medium printing apparatus according to the present invention, and FIG. 4 is a perspective view of a print head unit usable in the embodiment. In the figure, the first
The same members as those shown in the drawings are denoted by the same reference numerals.

Although this embodiment is a passbook / slip printer used as a terminal device of an online system such as a bank, it goes without saying that the present invention can be applied to other printer devices.

The carrier 5 on which the print head 4 is fixedly mounted is
The medium a is supported so as to be able to reciprocate in the horizontal direction along a stay shaft 6 fixed and arranged in the horizontal direction with respect to the moving direction of the medium a, and is supported by bearings 24. The carrier 5 is connected to a belt 14 extending in parallel with the stay shaft 6, and the belt 14 is
The right and left are reciprocated to perform left and right spacing, during which printing is performed by the print head 4. At the end or start of printing, the carrier 5
It is set so as to be located substantially at the center as shown in the figure.

As shown in FIG. 3, magnets 9 are arranged symmetrically on both sides of the printer, and are connected via a link 9 'to a lever 15 extending in the lateral direction parallel to the stay shaft 6. The lever 15 is adjacent to a protrusion 25 provided at the upper end of the carrier 5. When the magnet 9 is excited, the lever 15 comes into contact with the protrusion 25 due to the attraction force, and the carrier 5 hits the stopper 10. Up to, stay shaft 6
The carrier 5 is inclined about the center.

When the medium is sucked in, the platen 12 disposed opposite to the mask 7 of the print head 4 retracts from the medium passage by operating the magnet 11 to suck the platen 12 downward, and the print head 4 and the platen 12 To prevent clogging of the medium. Although not shown in detail, the mask 7 has an opening (not shown) in a print portion of the print head 4 and serves to guide a ribbon (not shown) and to guide the medium a at a print position. do.

The pocket portion 1 is a portion for setting a medium, and in this embodiment, it can be applied to either a passbook or a slip. When setting the passbook, the passbook is inserted along the path of the medium a. At this time, the magnet 13 is in the suction operation and presses the transport roller 2 against the pinch roller 16. When the operator manually inserts the passbook, that is, the medium a, and the leading end of the medium a comes between the rollers 2 and 16, the medium a is conveyed by these rollers 2 and 16 to the printer printing unit side.

When setting a slip, the slip is inserted along the path of the medium b. At this time, the magnet 18 acting in the opposite direction to the magnet 13 is in the suction operation, and presses the transport roller 2 against the upper pinch roller 21. Therefore, when the leading end of the slip comes between the rollers 2 and 21, the slip is conveyed by these rollers 2 and 21 to the printer printing unit side. Note that a separator 26 is provided immediately in front of the printing unit to separate the passbook from the pass of the voucher, and when the separator 26 faces upward, the lower passage is opened to allow passage of the passbook, and When facing, open the upper passage to allow the slip to pass. Less than,
The case of a passbook (medium a) will be described.

The carrier 5 moves to the center of the printer printing unit 3 and stands by by the printer initial operation due to the power supply drop.
When a sensor (not shown) detects that the medium a has been set in the pocket portion 1, the inserter magnet 13 operates, and the drive roller 2 is pressed against the pinch roller 16 as described above. Next, the medium a is fed between the rollers 2 and 16 and the medium a
When the tip of the platen reaches the position of the sensor 22, the platen operating magnet 11 and the carrier opening magnet 9 perform the suction operation. As a result, the platen 12 retreats downward, and the lever 15 is moved via the link 9 ′ to come into contact with the projection of the carrier 5, so that the stay shaft 6 is moved until the carrier 5 hits the stopper 10 as described above.
To open the entrance of the medium a to the printing section. The carrier drive belt is rotated by the rotation inclination of the carrier 5.
The belt 14 is bent, but the carrier 5 is located at the center and the carrier 5 has a small amount of inclination.
It has no special effect on 14.

When the leading end of the medium a passes through the print head 4 and reaches between the drive roller 8 and the pinch roller 17 in the printer, and further reaches the position of the sensor 23 (print position), the platen operating magnet 11 and the carrier opening magnet 9 is encouraged,
The platen 12 and the carrier 5 return to the printing position. The normal printing operation in this state is performed. That is, the belt drive motor
By driving 13, the carrier 5 on which the print head 4 is mounted reciprocates in the digit direction, while the medium a is transported between the rollers 8 and 17 in the row direction. When the required printing is completed, the drive rollers 8 and 2 rotate in the reverse direction, and the medium a
To discharge.

〔The invention's effect〕

As described above, according to the present invention, even when the medium a is bent or deformed, clogging does not occur in the printer unit when the medium is transported,
Since the obstacle due to the clogging can be reduced and the position of the carrier at the time of sucking the medium can be set at the center position, a common mask ribbon can be used for customers who have different methods of abutting right and left. Therefore, there is an advantage that only one printer is required, which is very advantageous in assembling. Further, since the carrier is located at the center of the printer at the start of printing, it is possible to quickly move to the digit to be printed, thereby achieving high speed.

[Brief description of the drawings]

FIGS. 1A and 1B are principle diagrams of a medium suction mechanism in a medium printing apparatus of the present invention, wherein FIG. 1A shows a normal printing state, and FIG. 1B shows a state when a carrier is tilted. FIGS. FIG. 4 is a side view and a plan view of an embodiment of the present invention, and FIG. 4 is a perspective view of a print head unit in the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Pocket part 2 ... Roller 3 ... Printer part 4 ... Print head 5 ... Carrier 6 ... Stay shaft 7 ... Mask 8 ... Roller a ... Recording medium P ... Print position B ... Inlet Aperture

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B41J 25/316 B41J 19/18 B41J 13/00

Claims (3)

(57) [Claims] 1. A pocket section (1) for setting a recording medium (a), a transport section (2) for feeding a recording medium set in the pocket section to a printing position (P), and a print head (4).
Printer mechanism for printing on a medium by a print head while a carrier (5) fixedly mounted thereon moves along a stay shaft (6) arranged transversely to the traveling direction of the recording medium. (3) When the recording medium (a) is sucked from the pocket portion (1) to the printing position (P), the carrier is tilted about the stay shaft so that the carrier is inclined from the pocket portion. The mechanism for opening the medium inlet (B) to the printing position is provided, and the mechanism for tilting the carrier includes a lever arranged in parallel with the stay shaft, and a magnet connected to the lever. A medium suction mechanism in a medium printing apparatus, wherein the medium is inclined by contacting a projection of the carrier. 2. The medium suction mechanism according to claim 1, wherein the carrier is moved to a central portion of the printing area along the stay shaft when the medium is sucked. 3. A magnet (9) is arranged on both sides of the printer (3), these magnets are connected to the lever (15), and the lever (15) of the carrier (5) is moved by operating the magnet (9). 2. The medium suction mechanism according to claim 1, wherein the carrier is inclined against the projection (25) until the carrier hits the stopper (10).