JP4388238B2 - Printer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a printer, and more particularly, to a printer that winds a label or mount fed from a supply shaft by a take-up shaft.
[0002]
[Prior art]
To take up the label or mount printed by the printer, take up the label or mount with an external take-up device, and take up the label or mount with a take-up shaft provided inside the printer. There is.
[0003]
[Problems to be solved by the invention]
When the label is wound by the external winding device, a large installation space is required due to the installation of the printer and the external winding device. Therefore, there is a printer in which a take-up shaft is provided inside the printer and the label or mount is taken up by the take-up shaft. Since this printer is secured at a position deviated from the supply route of the label loaded on the supply shaft, the printer is enlarged and a large installation space is required as in the case of using an external winding device. .
[0004]
The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a printer that can be made compact and can apply tension to a label conveyed to a printing unit.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, in the printer according to claim 1 of the present invention, a supply shaft for loading roll-shaped printing paper, and a printing unit for printing on the printing paper drawn from the supply shaft, In the printer having a winding shaft for winding the printed printing paper, the printing paper on the supply path in which the outer peripheral surface of the printing paper wound up by the winding shaft is drawn from the supply shaft to the printing unit The printing paper that is always brought into contact with the winding shaft and is taken up by the winding shaft is conveyed from the supply shaft to the printing unit at a portion where the printing paper is brought into contact with the printing paper conveyed from the supply shaft to the printing unit. The rotation direction of the winding shaft is set so as to move in the direction opposite to the conveying direction .
[0006]
According to the present invention, since the take-up shaft is installed in the supply route of the printing paper drawn from the supply shaft to the printing unit, it is not necessary to secure a large space in the lower portion of the printer. it can.
[0008]
According to the present invention, the winding shaft applies a load in the direction opposite to the conveying direction to the printing paper drawn from the supply shaft, and as a result, tension is applied to the printing paper drawn from the supply shaft.
[0009]
In the printer according to the second aspect of the present invention, a supply shaft for loading a roll-shaped label continuous body formed by temporarily attaching labels to a belt-like mount at predetermined intervals, and a continuous label drawn from the supply shaft In a printer comprising a printing unit for printing on a body, a label peeling unit for peeling a label from a mount of a printed label continuous body, and a take-up shaft for winding the peeled mount, The outer peripheral surface of the taken mount is always brought into contact with the label continuous body on the supply path drawn from the supply shaft to the printing unit, and the mount taken up on the take-up shaft is conveyed from the supply shaft to the printing unit. The rotation direction of the take- up shaft is set so as to move in a direction opposite to the transport direction in which the label continuum is transported from the supply shaft to the printing unit at a portion in contact with the label continuum. To do.
[0010]
According to the present invention, since the take-up shaft is installed in the supply route of the label continuous body drawn from the supply shaft to the printing unit, it is not necessary to secure a large space in the lower portion of the printer. Can be
[0012]
According to this invention, the winding shaft applies a load in the direction opposite to the conveying direction to the label continuous body drawn from the supply shaft, and as a result, tension is applied to the label continuous body drawn from the supply shaft. .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the printer of the present invention will be described in detail with reference to the accompanying drawings.
[0014]
FIG. 1 is a conceptual configuration diagram of a printer according to the present invention.
[0015]
This printer has a supply shaft 2a for loading a label roll 2 in which a label 1 is wound in a roll shape, a printing unit 3 for drawing out the label roll 2 and printing on the label 1, and winding the printed label 1 A label take-up shaft 4a.
[0016]
The printing unit 3 includes a platen roller 3a and a print head 3b, and the leading end of the label 1 drawn from the label roll 2 loaded on the supply shaft 2a is guided between the platen roller 3a and the print head 3b. It has been. Then, the label 1 is pulled out from the supply shaft 2a by the rotation of the platen roller 3a, and the barcode, date, price, etc. are printed on the label 1 by the print head 3b.
[0017]
The winding shaft 4a is provided with driving means (not shown), and the winding shaft 4a is rotated by the driving means.
[0018]
In this printer, the label 1 drawn from the supply shaft 2 a is guided to the printing unit 3 through the tension roller 5, and printing is performed by the printing unit 3. Then, the printed label 1 is wound around the winding shaft 4a through the guide plates 6 and 7.
[0019]
By the way, in the printer of the present invention, as shown in FIG. 1, the winding shaft 4a is arranged facing the supply path A in which the label roll 2 loaded on the supply shaft 2a is fed to the platen roller 3a.
[0020]
The winding shaft 4a arranged in this way is rotated in the direction of the arrow. Accordingly, the take-up shaft 4a applies a load to the label 1 pulled out from the supply shaft 2a in the direction opposite to the conveying direction, and as a result, tension is applied to the label 1. The diameter of the label roll 4 after printing, which has been printed on the winding shaft 4a, is gradually increased. On the other hand, the diameter of the label roll 2 of the supply shaft 2a is gradually decreased, and finally two points. It changes as shown by the chain line. As can be understood from FIG. 1, the winding shaft 4a and the outer peripheral surface of the label roll 4 after printing wound around the winding shaft 4a are always in contact with the label 1 drawn from the label roll 2 of the supply shaft 2a. In this state, tension is continuously applied to the label 1 between the platen roller 3a and the tension roller 5 in the supply path A.
[0021]
FIG. 2 is a conceptual configuration diagram of another printer according to the present invention.
[0022]
The printer has a supply shaft 12 a for loading a roll-shaped label continuous body 12 around which the label continuous body 11 is wound, and a roll label continuous body 12 that is drawn out, and printing is performed on the label 11 a on the label continuous body 11. Part 3, a label peeling part 14 for peeling the label 11 a from the mount 11 b of the label continuum 11, and a mount take-up shaft 15 a for taking up the mount 11 b from which the label 11 a has been peeled off. .
[0023]
The label continuous body 11 is obtained by temporarily attaching a label 11a having an adhesive applied to the back surface thereof at a predetermined interval on a strip-shaped mount 11b.
[0024]
The printing unit 13 includes a platen roller 13a and a print head 13b, and the leading end of the label continuum 11 drawn from the supply shaft 12a is guided between the platen roller 13a and the print head 13b. Then, the label continuous body 11 is pulled out from the roll-shaped label continuous body 12 by the rotation of the platen roller 13a, and the barcode, date, price, etc. are printed on the label 11a on the label continuous body 11 by the print head 13b.
[0025]
The label peeling unit 14 peels off the label 11a on the mount 11b by abruptly changing the direction of the mount 11b with the release plate 14a when the printed label 11a is peeled off from the mount 11b of the label continuous body 11. The label 11a peeled off by the label peeling plate 14a is discharged from the printer housing 16 as it is, and the mount 11b is wound around the mount take-up shaft 15a.
[0026]
The mount winding shaft 15a includes driving means (not shown), and the mount winding shaft 15a is rotated by the driving means.
[0027]
In this printer, the label continuum 11 drawn from the supply shaft 12a is guided to the printing unit 13 through the tension roller 17, and the label 11a is printed by the printing unit 13, and the label 11a is printed by the label peeling unit 14. Is peeled off. Then, the label 11a is discharged from the printer housing 16 to the outside, and the mount 11b is wound around the winding shaft 15a via the pass roller 18.
[0028]
In the printer of the present invention, as shown in FIG. 2, the take-up shaft 15a is arranged facing the supply path A in which the roll-shaped label continuous body 12 loaded on the supply shaft 12a is fed to the platen roller 13a. Yes.
[0029]
The winding shaft 15a thus arranged is rotated in the direction of the arrow. Therefore, the winding shaft 15a applies a load to the label continuous body 11 drawn from the supply shaft 12a in a direction opposite to the conveying direction, and as a result, tension is applied to the label continuous body 11. The diameter of the mount roll 15 after printing, which is printed on the winding shaft 15a while performing label printing, gradually increases. On the contrary, the diameter of the roll-shaped continuous label body 12 of the supply shaft 12a gradually decreases, and finally Changes as indicated by the two-dot chain line. As can be understood from FIG. 2, the winding shaft 15 a and the outer peripheral surface of the mount roll 15 after printing wound around the winding shaft 15 a are continuous labels drawn from the roll-shaped label continuous body 12 of the supply shaft 12 a. In this state, the label 11 is always in contact with the body 11, and thus tension is continuously applied to the continuous label body 11 between the platen roller 3 a and the tension roller 5 in the supply path A.
[0030]
【The invention's effect】
As described above, in the printer of claim 1 according to the present invention, since the take-up shaft is installed in the print paper supply route, it is not necessary to secure a large space in the lower portion of the printer. Can be downsized.
[0031]
In the printer according to claim 2 of the present invention, the winding shaft applies a load to the printing paper drawn from the supply shaft in a direction opposite to the conveying direction, and as a result, the printing paper drawn from the supply shaft. Give tension to.
[0032]
In the printer according to the third aspect of the present invention, since the take-up shaft is installed in the supply route of the continuous label body, it is not necessary to secure much space in the lower part of the printer, and therefore the printer can be reduced in size accordingly. .
[0033]
In the printer according to claim 4 of the present invention, the take-up shaft applies a load in a direction opposite to the conveying direction to the label continuous body drawn from the supply shaft, and as a result, the label drawn from the supply shaft. Give tension to the continuum.
[Brief description of the drawings]
FIG. 1 is a configuration diagram conceptually showing a printer according to the present invention.
FIG. 2 is a configuration diagram conceptually showing another printer according to the invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Label, 2 ... Label roll, 2a ... Supply shaft, 3 ... Printing part, 3a ... Platen roller, 3b ... Print head, 4 ... Label roll after printing, 4a ... Winding shaft, 5 ... Tension roller, 6, DESCRIPTION OF SYMBOLS 7 ... Guide plate, 11 ... Label continuous body, 11a ... Label, 11b ... Mount, 12 ... Roll-shaped label continuous body, 12a ... Supply shaft, 13 ... Printing part, 13a ... Platen roller, 13b ... Print head, 14 ... Label Peeling part, 15 ... Mount roll, 15a ... Winding shaft, 16 ... Printer housing, 17 ... Tension roller, 18 ... Pass roller

Claims (2)

In a printer comprising a supply shaft for loading roll-shaped printing paper, a printing unit for printing on the printing paper drawn from the supply shaft, and a winding shaft for winding the printed printing paper,
The printing paper wound around the winding shaft is always brought into contact with the printing paper on the feeding path drawn from the feeding shaft to the printing unit and wound around the winding shaft. The rotation direction of the take- up shaft is adjusted so as to move in a direction opposite to the conveying direction in which the printing paper is conveyed from the supply shaft to the printing unit at a portion in contact with the printing paper conveyed from the shaft to the printing unit. A printer characterized by setting. A supply shaft for loading a roll-shaped continuous label formed by temporarily attaching labels to a belt-like mount at predetermined intervals, a printing unit for printing on a continuous label drawn from the supply shaft, and a printed continuous label In a printer having a label peeling portion for peeling a label from the mount and a winding shaft for winding the peeled mount,
An outer peripheral surface of the mount wound around the winding shaft is always brought into contact with a label continuum on the supply path drawn out from the supply shaft to the printing unit, and the mount wound around the winding shaft includes the supply shaft. Direction of rotation of the take-up shaft so as to move in a direction opposite to the transport direction in which the label continuous body is transported from the supply shaft to the printing section at a portion in contact with the label continuous body transported from the printing section to the printing section A printer characterized by setting.

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