JP2605812Y2 - Printer - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to an electronic printer.
In particular, the present invention relates to a pressing roller that presses a platen roller, in which a label piece is peeled off from a backing sheet on which the label pieces are temporarily attached at equal intervals, and the backing sheet from which the label piece has been peeled is sent out.

[0002]

2. Description of the Related Art In an electronic printer having a printing mechanism consisting of a thermal head and a platen roller, an unprinted label having a plurality of label pieces 9 temporarily attached at regular intervals on a mount 8 as shown in FIG. The continuous body 7 is conveyed while being held between the thermal head 1 and the platen roller 2, and is printed on the label piece 9 by the thermal head 1 and the platen roller 2.

After printing, the backing sheet 8 of the continuous label body 7 is turned by the peeling bar 3 which is a peeling means disposed in front of the printing mechanism, and the label piece 9a is peeled off from the backing sheet. The turned mount 8 is disposed below the platen roller 2, is held between a pair of feed rollers 4 and 6 driven by rotation, is conveyed further downward, and is cut into an appropriate length. Or left unwound.

In this case, the feed roller 6 is configured as an external unit 5 attached to the electronic printer main body from outside. Accordingly, when the mount 8 is passed between the feed rollers 4 and 6 before the electronic printer is driven, the mount 8 is extended below the feed roller 4 provided on the main body of the electronic printer. The external unit 5 provided with the feed roller 6 is attached so as to be pressed against the feed roller 4.

[0005]

The conventional feed roller 6 is configured to be mounted from the outside of the electronic printer, and the mounting and dismounting is troublesome.
Further, the pair of feed rollers 4 and 6 are connected to the platen roller 2.
The feed rollers 4 and 6 must be rotated by a motor, and the size of the mechanism is increased.
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to simplify the mechanism of a feed roller and to provide an inexpensive electronic printer.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned object, according to the present invention, there is provided a method of supplying a strip-shaped continuous body by winding and unwinding a strip-shaped continuous body in which a plurality of label pieces are temporarily attached to a mount. A shaft, a thermal head provided along a transport path of the strip-shaped continuum, a platen roller disposed opposite to the thermal head, and a thermal head provided in front of the thermal head and along the transport path. in the printer with a peeling unit, was, during the pressing together provided to face the the platen roller along the transport path through the release means
A pressing rotating means rotated by the rotation of the platen roller, the both ends of the press rotating means via a coupling member
A holding arm connected in a U-shape;
Spring for urging the holding arm toward the platen roller
Material, and pressing the pressing and rotating means against the platen roller.
One of the pressing and rotating means and the holding arm
A first notch portion to be engaged with
Separates the pressing and rotating means from the platen roller against the force
In order to maintain the insertion interval of the mount at least,
A second engagement with either the step or the holding arm
A support means comprising a notch, a printer, characterized in that a.

[0007]

[Function] As an initial setting before driving the electronic printer,
The label continuum is passed between the thermal head and the platen roller to be held therebetween, and further, only the mount is turned by the peeling means disposed in front of the thermal head, and the mount is turned toward the platen roller. Extend downward. The pressing roller is engaged with one notch of the supporting means of the pressing roller so as to be separated from the platen roller against the pressing of the pressing means, and the mounting sheet is provided between the pressing roller and the platen roller. To form a gap to pass through. After passing the backing paper through this gap, the pressing roller is returned to the direction of the platen roller, and another notch of the pressing roller supporting means is pressed so that the pressing roller is pressed against the platen roller via the backing paper. Let the part support.

When the mounting of the mount is completed as described above,
The platen roller is driven to rotate by a motor, and the unprinted label continuous body is continuously fed out from the label winding shaft to the thermal head side. On the fed label piece,
Predetermined printing is performed by the thermal head and the platen roller. The printed label piece is further fed out, the label piece is peeled from the backing paper by the peeling means, and the backing paper is turned. The turned mount is sandwiched between a platen roller and a pressing roller, and is sent downward by the rotation of the platen roller and the following movement of the pressing roller.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a diagram showing the entire electronic printer. The electronic printer shown in FIG. 1 has a supply shaft 10 around which a continuous strip is wound, a thermal head 32, and a platen roller 34 provided opposite to the thermal head 32.
And a peeling bar 36 located in front of the thermal head 32.
And a pressing roller 50 provided below the peeling bar 36 and pressing the platen roller 34.

The strip-shaped continuum 14 includes a plurality of label pieces 16.
(Or 22) and the backing sheet 42, and a plurality of label pieces 16 (or 22) having a glue portion on the side of the backing sheet 42 are temporarily attached to the backing sheet at equal intervals. When the belt-shaped continuous body 14 is wound around the supply shaft 10, the belt-shaped continuous body 14 is fed out in the direction indicated by the arrow 18 and transported. On the other hand, the strip-shaped continuous body 20 is
If it is wrapped around 0, it is fed out in the direction indicated by arrow 24 and transported. Hereinafter, an example in which the strip-shaped continuous body is wound around the supply shaft 10 will be described.

The thermal head 32 and the platen roller 34
Denotes a printing unit. The platen roller 34 is connected to the motor 35 with a gear 92 provided on the platen roller 34 meshing with a gear 96 provided on the motor 35 via an intermediate gear 94.

In this embodiment, the peeling bar 36 is provided as a peeling means for turning the mount 42. However, the present invention is not limited to this, and a member having a peeled portion formed at an acute angle may be used.

FIG. 2 shows that the pressing roller 50 is the platen roller 3.
FIG. 4 is a partially enlarged view showing a state of being press-bonded to No. 4. Pressing roller mechanism as shown in FIG. 2, the pressing roller 50, a shaft 54 for pressing the roller 50, attached to both ends of the pressing roller 50, the holding arm 70 for holding the press roller 50, bond
A member 72 and a pair of support frames 6 supporting the pressing roller 50
0, and a pair of springs 90 attached to both ends of the holding arm 70 .

The pressing roller 50 is made of an elastic material such as resin or rubber. A plurality of small grooves 52 are engraved on the circumference along the longitudinal direction. Press roller 5
0 allows free rotation in both forward rotation and reverse rotation.

The retaining arm 7 0 and a pair of coupling members 72 child
It is shaped like a letter . A cutter is formed at the lower end of the holding arm 70. This cutter can cut the mount 42 that has passed through the platen roller 34 and the pressing roller 50. On the other hand, one end of the coupling member 72
Attached to the end of the holding arm 70, the other end of the coupling member 72 is attached to the shaft 54 for pressing the roller 50. The holding arm 70 and the coupling member 72 may be configured separately or integrally.

One end of the spring 90 is attached to a side plate 80 of the main body of the electronic printer, and the other end is attached to a holding arm 70. The spring 90 acts to urge the pressing roller 50 toward the platen roller 34.

FIG. 3 shows a side view of the support frame 60. The support frame 60 is assembled and engaged with the side plate 80 of the electronic printer. As shown in FIG. 3, the support frame 60 is formed with notches forming switching grooves 62 and 64 for switching a position for supporting the shaft 54 for the pressing roller 50. The groove 62 is a groove for the pressing roller 50 to press the platen roller 34 through the mount 42. One groove 6
Reference numeral 4 denotes a groove for providing a gap between the pressing roller 50 and the platen roller 34 for passing the mount 42 in the initial setting.

The distance between the groove 62 and the groove 64 is set between the platen roller 34 and the pressing roller 50,
Is a gap that can be easily inserted. The depth of the grooves 62 and 64 is such that the shaft 54 for the pressing roller 50 enters the groove 62 or 64 and the shaft 54 for the pressing roller 59 is held in the groove 62 or 64.

FIG. 4 shows a side view of a support frame 84 of another example. The support frame 84 has a groove 85 for supporting the shaft 54 of the pressing roller and grooves 87 and 88 for supporting the holding arm 70.
The formed notch is formed. When pressing the pressing roller 50 against the platen roller 34, the pressing roller shaft 54 is used.
It was located at one end 85a of the groove 85, to hold the holding arm 7 0 into the groove 87. To separate the pressing roller 50 from the platen roller 34, the shaft 54 of the pressing roller is
It is positioned to move to the other end 85b, to hold the holding arm 7 0 transferred from the groove 87 into the groove 88.

The length of the projection 86 between the groove 85 and the groove 87 is determined according to the length of the coupling member 72.

Next, the operation of the present invention will be described. First, as an initial setting, the thermal head 32 is
From the thermal head 32 and the platen roller 3
4 to form a gap. Further, the pressing roller 50
By pulling forward the holding arm 7 0 is attached to the against the biasing force of the spring 90, away the pressure roller 50 from the platen roller 34, to form the shaft 54 for pressing the roller 34 on the support frame 60 It is held in a groove 64 far from the platen roller 34 . As a result, the platen roller 3
A gap is formed between the pressure roller 4 and the pressing roller 50.

Next, the strip-shaped continuous body 1 wound around the supply shaft 10
4 by hand, and the thermal head 32 and platen
The strip-shaped continuum 14 is inserted into the gap between the strip-shaped continuum 14. Further, the band-shaped continuous body 14 is fed out, the mount 42 is turned by the peeling bar 36, and the mount 42 is passed through the gap between the platen roller 34 and the pressing roller 50. Then, the released thermal head 32 is returned to the platen roller 34 side, the belt-shaped continuous body 14 is sandwiched between the thermal head 32 and the platen roller 34, and the pressing roller 50 is held in the groove 64 of the support frame.
Is moved to a groove 62 closer to the platen roller and held there, and the pressing roller 50 is pressed against the platen roller 34 via the mount 42.

After the preparation as described above, the motor 35 is driven to rotate the platen roller 34 connected to the motor 35 via the gear 94. Then, the belt-shaped continuum 14 is fed out by the rotation of the platen roller 34,
At the printing portion of the thermal head 32 and the platen roller 34, predetermined printing is performed on the label piece 16. The printed label piece 40 is peeled off by the peeling bar 36, and the backing sheet 42 from which the label piece 40 has been peeled off is held between the platen roller 34 and the pressing roller 50, and further transported in the downstream direction of the backing paper transport path. You.

[0024]

[Effect of the Invention] As described in detail above, the present invention
Pressing and rotating to press the pressing and rotating means against the platen roller
One of the means and the holding arm in the first notch
Since the pressing and rotating means is configured to be driven to rotate by the platen roller by being engaged, the mechanism for sending out the backing sheet from which the label pieces have been peeled is simplified, and the size and cost of the electronic printer can be reduced. In addition, a platen roller
To separate the pressing and rotating means from
One of the pressing and rotating means and the holding arm
By using the two hands, the backing
Can be inserted, and the backing sheet from which the label pieces have been peeled is sent out.
Mechanism is simplified.

[0025]

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of an electronic printer according to the present invention.

FIG. 2 is an enlarged view of a pressing mechanism according to the present invention.

FIG. 3 is a side view of a support frame for supporting the pressing roller according to the present invention.

FIG. 4 is a side view of another supporting frame for supporting the pressing roller according to the present invention.

FIG. 5 is a diagram showing a conventional printer.

[Explanation of symbols]

8, 42 Mount 10 Supply shaft 14 Strip-shaped continuous body 9, 16, 40 Label strip 1, 32 Thermal head 2, 34 Platen roller 36 Peeling bar (peeling means) 50 Press roller (pressing and rotating means) 60, 84 Support frame (support) Means) 62, 87 groove ( first notch) 85 groove 64, 88 groove ( second notch) 70 holding arm 72 coupling member 90 spring member 100 pressing mechanism

Claims (1)

(57) [Scope of request for utility model registration] 1. A supply shaft for supplying a strip-shaped continuous body by winding and unwinding a strip-shaped continuous body on which a plurality of label pieces are temporarily attached to a backing paper, and provided along a conveyance path of the strip-shaped continuous body. A printer comprising: a thermal head; a platen roller disposed opposite to the thermal head; and a peeling unit provided in front of the thermal head and along the transport path. times of the platen roller is in pressing together along a conveying path provided so as to face the platen roller
A pressing rotating means rotated by the rotation, in the both end portions of the press rotating means via a coupling member C-shaped
The holding arm combined with the pressing / rotating means and the holding arm is
A spring member that urges the platen roller against the platen roller.
Engagement with one of the pressing and rotating means and the holding arm
The first notch to be combined and the urging force of the spring member
The pressing and rotating means is separated from the platen roller.
The pressing and rotating means to maintain the insertion interval of the backing paper.
Notch engaged with one of the arm and the holding arm
Printer, characterized in that provided a support means comprising a, a.