JP2001348012A - Method and device for carrying label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device capable of consistently carrying a label. SOLUTION: A center portion of a continuous label body passing between a platen roller 34 and a nip roller 36 is pressed by a press ring 36B provided on the nip roller 36. The continuous label body 16 is pressed by the press ring 36B and curved in the direction orthogonal to the carrying direction, and the so-called stiffness is generated therein, and the sagging caused by the self weight can be prevented. The label can thus be consistently carried.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for transporting labels, and more particularly to a method and apparatus for transporting a label without a backing sheet having a release agent layer formed on the front surface and an adhesive layer formed on the back surface.

[0002]

2. Description of the Related Art In general, a label is transported by nipping the label between a pair of rollers arranged in parallel and rotating the roller.

[0003]

However, when the label is transported by the conventional method, when the label is thin, the label hangs down by its own weight after passing through the roller, and the label cannot be transported to a desired position. Was.

[0004] In particular, a label without a mount has a drawback that it has no mount to support, is thin and has no stiffness, easily hangs down, and cannot be stably conveyed.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a label conveying method and apparatus which can stably convey labels.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, according to the present invention, a label is conveyed by holding a label with a pair of rollers arranged in parallel and rotating at least one of the rollers. In the transport method, the label transport method is characterized in that the label is transported in a state of being curved in a direction orthogonal to the transport direction.

Further, in order to achieve the above object, the present invention is characterized in that the label is a strip-shaped backingless label having a release agent layer formed on a front surface and an adhesive layer formed on a back surface. A label transport method according to claim 1 is provided.

According to another aspect of the present invention, there is provided a label transporting apparatus for transporting a label by nipping a label between a pair of rollers arranged in parallel and rotating at least one of the rollers. There is provided a label transporting device provided with a pressing member for pressing a substantially central portion of the label to bend the label in a direction orthogonal to the transport direction.

Further, in order to achieve the above object, the present invention is characterized in that the label is a strip-shaped backingless label having a release agent layer formed on a front surface and an adhesive layer formed on a back surface. A label transport device according to claim 3 is provided.

According to the present invention, by bending a label in a direction perpendicular to the transport direction, the label itself is not stiff and does not hang down.
It can be transported stably.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the label transport method and apparatus according to the present invention will be described below in detail with reference to the accompanying drawings.

Here, an example in which the present invention is applied to a label pasting machine will be described. A label pasting machine is, for example, a device that is incorporated into a line and sticks a label to a container of processed food. A label is attached to the bottom of the container.

FIG. 1 is an explanatory view schematically showing a label pasting machine. The label sticking machine 10 includes a sticking object transport unit 14 that transfers the sticking object 12, a label supply unit 18 that supplies a label continuous body 16, and a cutting unit 22 that cuts the label continuous body 16 into a single label 20. And the cut label 20
And a label sticking unit 24 for sticking the label to the object 12.

The article transporting section 14 includes a front-stage conveyor 26.
And a rear-stage conveyor 28. The front-stage conveyor 26 and the rear-stage conveyor 28 are horizontally disposed at a predetermined interval, and run synchronously when driven by a motor (not shown).

The label supply unit 18 includes a supply shaft 30 for rotatably holding the label continuous body 16 wound in a roll shape.
And a label feeding device 32 that feeds the continuous label body 16 held by the feeding shaft 30 to the cutting section 22.

The label continuum 16 includes a number of labels 20,
Are continuously formed in a belt shape, and are wound around a core and formed in a roll shape. Each label constituting the label continuum 16 is a label without a backing sheet, and has a release agent layer on the front surface and an adhesive layer on the back surface.

FIGS. 2 and 3 show the label feeding device 3 respectively.
It is the perspective view and front view which show the structure of No. 2. As shown in the figure, the label feeding device 32 includes a platen roller 34 and a nip roller 36.

The platen roller 34 has four feed rings 34B, 34 at predetermined intervals on the outer periphery of the center shaft 34A.
Are fixed, and are rotated by being driven by a motor (not shown).

On the other hand, the nip roller 36 has a central shaft 36A.
A pressing ring 36B made of rubber is fitted around the outer periphery of the pressing ring 36B, and the pressing ring 36B is movably supported along the central axis 36A.

The platen roller 34 and the nip roller 3
6 are arranged in parallel with each other, and the platen roller 3
, The feed rings 34B, 34B,.
6 is in contact with the outer periphery of the central shaft 36A. Further, the pressing ring 36B is arranged at a substantially central position of the central axis 36A.

The label feeding device 3 configured as described above
In 2, when the label continuous body 16 is supplied between the platen roller 34 and the nip roller 36 to rotate the platen roller 34, the label continuous body 16 is pushed out by the rotating platen roller 34, and the label continuous body 16 is sequentially conveyed. .

Here, since the label feeding device 32 is provided with the pressing ring 36B on the nip roller 36, when the label continuous body 16 passes between the platen roller 34 and the nip roller 36, the center portion is Press ring 3
6B. As a result, the platen roller 3
Label continuum 1 that has passed between the nip roller 4 and the nip roller 36
6 is bent and bent at a substantially central portion in a direction orthogonal to the transport direction. Then, since the label continuous body 16 is curved in this way, a so-called stiffness is formed in the label continuous body 16, and even after passing between the platen roller 34 and the nip roller 36, the label continuous body 16 can be transported straight without drooping. Will be able to

The cutting section 22 is constituted by a pair of cutting blades 38, 38 and is provided so as to be able to advance and retreat with each other. The label continuum 16 includes a pair of cutting blades 38, 38.
, And are cut into a single label 20, 20,... By being sandwiched between the pair of cutting blades 38, 38.

As shown in FIG. 4, the label attaching section 24
It comprises a ring conveyor 40 and a guide plate 42.

The ring conveyor 40 includes a pair of rollers 4
A thin round belt 50, 5 formed endlessly between 6, 48
.. Are provided at predetermined intervals. A motor (not shown) is connected to one of the rollers 46. When the motor is driven, the roller 46 rotates and the round belt 50 runs.
The surface of the round belt 50 has been subjected to a release treatment with a release agent such as silicon, so that the label 2
0 is prevented from sticking.

The guide plate 42 is provided for the ring conveyor 4.
It is formed in a plate shape having substantially the same width as 0, and is curved with a predetermined curvature. The guide plate 42 is pressed and abutted against the round belts 50, 50,... Constituting the conveying surface of the ring conveyor 40, and applies a predetermined tension to the round belts 50, 50,.

The label sticking section 24 configured as described above
, The label 2 is placed between the ring conveyor 40 and the guide plate 42 while the round belts 50, 50,.
, The label 20 is displayed on the ring conveyor 40 and the guide plate 4 together with the running round belts 50, 50,.
2 and is transported upward. Then, it is extruded from between the front-stage conveyor 26 and the rear-stage conveyor 28, and is adhered to the back surface of the adherend 12 transported on the conveyors 26 and 28.

Next, the operation of the label pasting machine 10 of the present embodiment configured as described above will be described.

In the label sticking machine 10, the label continuous body 16 wound in a roll shape is sequentially fed out from the supply shaft 30 by the label feeding device 32, and cut into single labels 20 sequentially by the cutting unit 22. The label is attached to the back surface of the object 12 to be transported on the conveyors 26 and 28 in the label attaching section 24.

Here, the label continuous body 16 fed from the supply shaft 30 is guided between the platen roller 34 and the nip roller 36 via the guide roller 44, and is held between the platen roller 34 and the nip roller 36. , And is sequentially pushed out from the supply shaft 30 by being pushed out by the rotating platen roller 34. At this time, when the label continuous body 16 passes between the platen roller 34 and the nip roller 36, the center portion is pressed by the pressing ring 36B, and the label continuous body 16 is bent at a substantially central portion in a direction orthogonal to the conveying direction. Roller 34 and nip roller 3
6 and is fed out. When the label continuous body 16 is fed out in such a curved state, a so-called stiffness is formed in the label continuous body 16, and the platen roller 34 is formed.
Even after passing between the nip roller 36 and the nip roller 36, the paper can be transported straight without hanging down.

The label continuum 16 transported straight in this manner is applied to the pair of cutting blades 38 of the cutting section 22.
38, and is cut into a single label 20 by being sandwiched between the pair of cutting blades 38, 38.

The cut single label 20 is fed between the ring conveyor 40 of the label affixing section 24 and the guide plate 42, and is conveyed to the traveling round belts 50, 50,. And is guided between the rear-stage conveyor 28 and adhered to the back surface of the adherend 12 passing therethrough.

As described above, according to the label sticking machine 10 of the present embodiment, the continuous label body 16 fed to the cutting section 22 is transported in a state of being curved in a direction perpendicular to the transport direction. Therefore, the label continuum 16 can be stably conveyed without the label continuity 16 hanging down by its own weight.

In particular, when a label without a backing sheet is conveyed as in the present embodiment, the label can be stably conveyed even if the label itself does not have a stiffness, which is effective.

In this embodiment, the label continuum 1
6 by pressing the central portion with a pressing ring 36B.
Although the label continuum 16 is curved, the label continuum 1
The method of bending 6 is not limited to this.

For example, as shown in FIG. 5, the outer peripheral surface of the platen roller 34 is formed to be concavely curved, and the outer peripheral surface of the nip roller 36 is curved to be convex. , The label continuous body 16 can be curved in a direction orthogonal to the transport direction.

As shown in FIG. 6, for example, a pair of rollers 52, 52 whose outer peripheral surfaces are concavely curved are disposed on both sides of the transport path of the label continuous body 16, and this pair of rollers 52, The label continuum 16 can also be curved in a direction perpendicular to the transport direction by passing the label continuum 16 between 52.

As described above, various methods can be employed for bending the label continuous body 16.

Further, in the present embodiment, the case where the label continuous body 16 of the label without the backing sheet is transported has been described as an example.
The present invention is not limited to this, and can be applied to the case of transporting a label continuum of a label with a backing sheet, and similarly, stable transport can be performed. Further, the present invention can be applied not only to the label continuity body 16 but also to a case where a single label 20 is conveyed, so that stable conveyance can be performed.

Further, in the present embodiment, an example has been described in which the present invention is applied to a label pasting machine. However, the present invention can be applied to various apparatuses which require transport of labels.

[0041]

As described above, according to the present invention,
By bending the label in a direction perpendicular to the transport direction, the label itself can be stably transported without causing so-called stiffness and sagging.

[Brief description of the drawings]

FIG. 1 is an explanatory view schematically showing a label pasting machine.

FIG. 2 is a perspective view illustrating a configuration of a label feeding device.

FIG. 3 is a front view showing the configuration of the label feeding device.

FIG. 4 is a side view showing a configuration of a label attaching section.

FIG. 5 is a front view showing the configuration of another embodiment of the label feeding device.

FIG. 6 is a front view showing the configuration of another embodiment of the label feeding device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Label sticking machine, 12 ... Sticking thing, 14 ... Sticking thing conveyance part, 16 ... Label continuous body, 18 ... Label supply part, 2
0: label, 22: cutting part, 24: label attaching part, 26
... front-stage conveyor, 28 ... rear-stage conveyor, 30 ... supply shaft,
32: label feeding device, 34: platen roller, 34A
... Central shaft, 34B ... Feed ring, 36 ... Nip roller,
36A: central axis, 36B: press ring, 38: cutting blade,
40 ring conveyor, 42 guide plate, 44
Guide rollers, 46, 48 ... rollers, 50 ... round belts,
52 ... Roller

Claims (4)

[Claims] 1. A label transport method for transporting a label by nipping a label between a pair of rollers arranged in parallel and rotating at least one of the rollers, wherein the label is curved in a direction perpendicular to the transport direction. A label transport method, wherein the label is transported in a state where the label is transported. 2. The label transport method according to claim 1, wherein the label is a strip-shaped non-mounting label having a release agent layer formed on a front surface and an adhesive layer formed on a back surface. 3. A label transport device that transports a label by holding a label with a pair of rollers disposed in parallel and rotating at least one of the rollers. A label transport device, comprising: a pressing member for bending the label in a direction orthogonal to the transport direction. 4. The label transport apparatus according to claim 3, wherein the label is a strip-shaped non-mounting label having a release agent layer formed on a front surface and an adhesive layer formed on a back surface.