JP2517763Y2 - Printer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an auto-cutter device for a printer used to issue a ticket issuing machine / ECR receipt or the like.

[Conventional technology]

Conventionally, the auto cutter device of a printer used for issuing a ticket issuing machine / ECR receipt or the like generally does not consider paper dust generated when cutting paper. Therefore, as it is used for a long period of time, piles of paper dust are formed under the cutting portion, and the paper dust scattered in the operating portion adversely affects the durability of the printer.

[Problems to be solved by the device]

As described above, the conventional printer does not take paper dust into consideration, so that many troubles have occurred. Ticketing machine using roll paper as a recording medium
In the case of equipment such as ECR, a lot of paper dust is generated due to paper dust attached to the roll paper during the cutting process, falling into the printer, paper feeding, printing, and cutting the roll paper. In particular, paper dust generated by cutting roll paper (manual cutting, automatic cutting) is the largest. When cutting recording paper (especially roll paper) of a long object, it is common to place a cutter at the final position of the paper path in the printer, which is caused by the auto-cutter device placed at the exit of the paper. Paper dust falls on the print head, head carriage, motor, paper feed, etc. located below, increasing the sliding load on each operating part, breaking the print head wire, head carriage lock, This was a factor that markedly reduced durability such as motor burnt.

Therefore, the present invention solves various conventional problems at the same time. The purpose of the present invention is to prevent paper dust generated by cutting the roll paper from scattering, and to provide long life and reliability. It's about providing an expensive printer to the market. Another object is to allow the operator of the device to perform maintenance reliably and easily by having a structure in which the accumulation state of paper dust can be confirmed from the outside and the paper dust can be easily removed. Still another object is to provide the paper dust receiver with a function as a paper guide, so that a roll paper conveyed downward from the printing unit and a separator between card paper and ink ribbon inserted / removed from above, It is to make the printer easy to operate without causing ink stains.

[Means for solving the problem]

In order to solve the above problems, the printer of the present invention includes an auto cutter that cuts a printed roll paper into a desired length,
In a printer that has a printing unit that prints on roll paper that is conveyed from below to between the platen and the print head, and a card paper or ink ribbon is set from above the printing unit, an opening is placed on the roll paper path. The cutter blade receiver equipped with a cutter blade that moves the roll paper that passes through the opening substantially perpendicularly and cuts the roll paper, and is placed on the opposite side of the standby position of the cutter blade of the cutter blade receiver. And a print head which is located on the upstream side of the paper dust receiver and has an inclined surface inclined toward the platen side in the downward direction at the upper part, and the paper dust receiver is a standby position for the cutter blade. On the outer wall on the opposite side, an insertion guide surface is formed which is substantially orthogonal to the inclined surface portion of the print head, is parallel to the longitudinal direction of the platen, and has an extended surface intersecting the inclined surface of the print head. And

Further, the paper dust receiver is characterized by including a paper guide portion for guiding the roll paper that has passed through the platen and the print head to the opening.

[Action]

According to the above configuration of the present invention, the paper dust receiver arranged on the upper portion of the printing unit is substantially orthogonal to the inclined surface portion of the print head, parallel to the longitudinal direction of the platen, and the extended surface of the print head. Since the insertion guide surface that intersects the inclined surface is formed, card paper and ink ribbon that are inserted from above will move downward along the insertion guide surface of the paper dust receiver to ensure that it is aligned with the inclined surface of the print head. It engages and moves along the inclined surface and is guided between the platen and the print head.

Further, since the paper dust receiver is provided with the paper guide portion, the roll paper which has passed through the platen and the print head is guided to the opening portion.

〔Example〕

Hereinafter, the contents will be described in detail based on examples. FIG. 1 shows an ATM (Automatic Deposit Payment Machine) or C showing an embodiment of the present invention.
It is an external view of a receipt printer for a D (cash payment machine), and a portion indicated by a thin line shows a state in which a printing portion is divided into a head side and a platen side and opened. A main body unit 2 including a print head, a ribbon feeding device, and the like is fixed on a base frame 1 that constitutes the entire printer. Further, the base frame 1 has a bent portion 1a, and the lock is released by pushing the open lever 4 having the fulcrum shaft 23 provided here as a rotation center in the direction of arrow E, and the fulcrum shaft 23 is also rotated. The paper feed unit 3 including the central platen, auto cutter, and paper dust receiver 5 of the present invention rotates to the position indicated by the thin line in the figure. In this state, not only the maintenance is very easy when the recording paper is jammed in the printer, but also the paper dust receiver 5 of the present invention can be easily attached and detached. FIG. 2 is a perspective view of the paper outlet of the printer of the present invention, in which the roll paper 6 is discharged under the paper dust receiver 5. FIG. 3 is a perspective view of the auto cutter unit of the present invention, and FIG. 4 is an exploded view thereof. Here, a cutter lever 9 and a release lever 10 which rotate about a cutter lever shaft 8 as a rotation center are pivotally supported on the cutter frame 7, and in addition, a plunger 11 as a drive source of the cutter and a cutter blade in which a cutter blade is slidably sandwiched. The set 12, the paper dust receiver 5 that collects the paper dust generated when the roll paper is cut is screwed. The paper dust receiver 5 of the present invention is made of a transparent resin or the like so that the operator can check the accumulation status of the paper dust at a glance. FIG. 5 is an enlarged side view of the present invention, and FIG. 6 is an enlarged view around the auto cutter portion. The roll paper 6 inserted between the paper guide (outer) 13 and the paper guide (inner) 14 is composed of the print head 17 and the platen 18 by the rotational pressure contact force between the paper feed roller 15 and the paper pressing roller 16. It is conveyed to the auto cutter position via the print position. Here, 19 is an ink ribbon as an inking means, and 20 is a tension roller for reducing the paper feeding load. Next, the operation of the auto cutter will be described. When the plunger 11 as a drive source is energized at a predetermined timing, the cutter lever 9 which rotates around the cutter lever shaft 8 rotates in the clockwise direction because one end 9a is engaged with the plunger shaft 11a, and the other. At the end 9b, the cutter blade 12d of the cutter blade set 12 is slid in the direction of arrow A to automatically cut the roll paper 6. This operation will be described in more detail with reference to the enlarged view of FIG. When one end 9b of the cutter lever 9 swings in the direction of the arrow B, a cutter blade receiver (lower) 12C fixed on the cutter mounting plate 12a fixed to the cutter frame 7 and a clearance of about 0.3 mm are secured. Cutter blade support fixed in the state (top)
A saw blade-shaped cutter blade 12d slidably disposed between the blade 12d and 12b slides in the direction of arrow A. The cutter blade receiver (upper) 12b and the cutter blade receiver (lower) 12c are each provided with a long groove which is an opening in the paper width direction of the roll paper 6, and the roll paper 6 is cut at this portion. At this time, the paper dust 21 attached to the cutter blade 12d falls into the paper dust receiver 5 as indicated by arrow C. The paper dust receiver 5 is placed in a place where it can be easily seen by the operator, and since it is made of a transparent material, the condition of the paper dust accumulation can be checked at a glance, and the paper dust can be collected at an appropriate time without affecting the function. Can be removed. In the paper dust receiver 5, a sloped portion 5a which is a paper guide portion for guiding the roll paper 6 conveyed from the lower side of the drawing to the auto cutter portion, and a card paper and an ink ribbon which are inserted in the arrow D direction which is the upper side. A slanted surface portion 5b is formed as an insertion guide for guiding the sheet to a predetermined printing position between the print head 17 and the platen 18.

On the upper part of the print head 17, an inclined surface 17a inclined toward the platen 18 side is arranged in a downward direction, and the inclined surface 17a intersects the extended surface of the inclined surface portion 5b of the paper dust receiver 5. It is formed to be. FIG. 7 shows a method of fixing the paper dust receiver 5 of the present invention. The paper dust receiver 5 is fixed to the cutter frame by a screw 22. FIG. 8 shows another embodiment. The paper dust receiver 25 can be attached / detached without using a tool or the like because the elastic dowel portions 15a provided at two places on the left and right are locked in the two holes provided on the left and right provided on the cutter frame 27. It has a structure.

The present invention has been described above through the first embodiment, but the series of operational effects are not limited to the first embodiment of the present invention.

[Effect of device]

As described above, according to the present invention, an opening is arranged on the path of a roll paper, and a cutter blade receiver equipped with a cutter blade that moves substantially perpendicularly to the roll paper passing through the opening and cuts the roll paper is provided. Is located on the opposite side of the cutter blade receiver from the standby position of the cutter blade, and is located on the upstream side of the paper dust receiver that collects paper dust and the paper dust receiver. The paper dust receiver is located on the outer wall of the cutter blade on the side opposite to the standby position, is substantially orthogonal to the slope of the print head, is parallel to the longitudinal direction of the platen, and extends the same. Since the insertion guide surface whose surface intersects the inclined surface of the print head is formed, the card paper and the ink ribbon inserted from above move downward along the insertion guide surface of the paper dust receiver, Securely engages the sloped surface It is guided smoothly between the moving platen printhead along. In this way, by mounting the paper dust receiver of the present application, not only the durability is improved by reducing the paper dust to the mechanical portion such as the printing portion,
The handling of the card paper and ink ribbon inserted from above is improved, and the problems that the card paper and ink ribbon generated when attaching them are caught by the printing means are greatly improved, the operability is good, there is no failure and the reliability is high. It is possible to provide an improved printer.

Further, since the paper dust receiver is provided with a paper guide portion for guiding the roll paper passing through the platen and the print head to the opening, the roll paper passing through the platen and the print head is guided to the opening without a paper jam. It contributes to the improvement of reliability, and the practical effect of the present invention is extremely large.

[Brief description of drawings]

FIG. 1 is an external view of an ATM receipt printer which is an embodiment of the present invention, FIG. 2 is a perspective view of a paper outlet, FIG. 3 is a perspective view of an auto cutter unit, and FIG. 4 is an exploded view thereof. 5, FIG. 5 is a side view of the periphery of the auto cutter, FIG. 6 is an enlarged view thereof, FIG. 7 is a side view showing a fixing method of the paper dust receiver, and FIG. 8 is a side view showing another fixing method 1. … Base frame 2 …… Main unit 3 …… Paper feed unit 4 …… Open lever 5,25 …… Paper dust receiver 6 …… Roll paper 7,27 …… Cutter frame 8 …… Cutter lever shaft 9 …… Cutter lever 10… … Release lever 11 …… Plunger 11a …… Plunger shaft 12 …… Cutter blade set 12a …… Cutter mounting plate 12b …… Cutter blade receiver (top) 12c …… Cutter blade receiver (bottom) 12d …… Cutter blade 17 …… Printing Head 18 ... Platen 19 ... Ink ribbon

Claims (2)

(57) [Scope of utility model registration request] 1. An auto cutter for cutting printed roll paper to a desired length, and a printing unit for printing on the roll paper conveyed from below to between a platen and a print head.
In a printer in which a card paper or an ink ribbon is set from above the printing unit, an opening is arranged on the path of the roll paper, and the roll paper is moved substantially perpendicularly to the roll paper passing through the opening. A cutter blade receiver equipped with a cutter blade that cuts, a standby position for the cutter blade of the cutter blade receiver, which is arranged on the opposite side, and a paper dust receiver for collecting paper dust, and a position on the upstream side of the paper dust receiver. And a print head in which an inclined surface inclined toward the platen side in accordance with the downward direction is arranged at the upper portion, the paper dust receiver is provided on the outer wall on the side opposite to the standby position of the cutter blade, A printer characterized in that an insertion guide surface is formed which is substantially orthogonal to the inclined surface portion, is parallel to the longitudinal direction of the platen, and has an extended surface intersecting the inclined surface of the print head. 2. The printer according to claim 1, wherein the paper dust receiver includes a paper guide portion that guides the roll paper that has passed through the platen and the print head to the opening.