JPH11180424A - Label sticking apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a label sticking apparatus which can smoothly peel even a thin label. SOLUTION: The label sticking apparatus which can peel, by a peeling base 10, a label 12 stuck across a slit 14 to a release paper 13 equipped with the slit 14 which can be separated in a lengthwise direction along a slit passing line L. The peeling base 10 includes a first edge 10a formed in the front and a second edge 10b formed in the rear. One of sides 61 of the slit 14 of the release paper 13 is inverted on the second edge 10b, and the other side 62 of the slit 14 is inverted on the first edge 10a. When the side 62 of the slit 14 of the release paper 13 is inverted on the first edge 10a, the label 12 is peeled from the release paper 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic label sticking apparatus for peeling a label from label paper having a label stuck on one side of a release paper and sticking it to various articles. The present invention relates to a label sticking apparatus that can smoothly release a label even when the label is thin.

[0002]

2. Description of the Related Art FIG. 10 shows a conventional general labeling apparatus in which a label 101 is peeled off from a peeling table 100 of a labeling apparatus in order to stick a label to various articles. 10 (a) is a partial plan view of the peeling table 100, and FIG. 10 (b) is a partial side view of the peeling table 100.

[0003] Release paper 102 and label 1 attached thereto
The label paper 103 comprising the label paper No. 01 is transported from a label paper supply mechanism (not shown) to the peeling table 100 along the longitudinal direction of the label paper (indicated by an arrow N in the figure). Then, the release paper 102 is inverted at the peeling edge 100a formed at the leading end of the peeling table 100, and is transported at a predetermined speed as indicated by an arrow P. The label 101 is peeled off from the release paper 102 which is inverted at the peeling edge 100a, and is sent out in the direction of arrow N. On the other hand, the release paper 102 from which the label 101 has been peeled off is
The release paper is collected by a release paper collection mechanism (not shown) via the back surface side of the “0”.

[0004]

In recent years, however, compared with conventional labels, in view of the fact that a label can be stuck without causing wrinkles or the like even if the article has a complicated shape, the appearance of the label is not impaired. Labels with a small thickness have been used.

However, if the label is thin, the entire surface of the label adhered to the release paper cannot be smoothly peeled off by the peeling edge, and the release paper with the label adhered to the release paper collection mechanism. It may happen that it is collected.

Therefore, even if the label is thin, it can be peeled off smoothly from the release paper, and the label sticking apparatus can be peeled off without causing wrinkles on the sticked article. Is desired. Further, it is desired that such a device can be made small and simple.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a small and simple label sticking apparatus capable of smoothly peeling a label from a release paper even for a thin label.

[0008]

A label sticking apparatus according to the present invention comprises a release paper provided with a slit separable in a longitudinal direction thereof and a label attached to the release paper across the slit. A label paper supply mechanism for transporting the label paper in the longitudinal direction while expanding the label paper, and peeling off the label by reversing the release paper to the side where the label is not stuck at the edge disposed at the tip thereof And a release table for performing the release, the edge portion includes a first edge formed forward, and a second edge formed rearward adjacent to the first edge, the release paper, the first The label sticking apparatus is configured such that the other side of the slit is inverted at the edge and one side of the slit is inverted at the second edge (claim 1).

The label paper is transferred from the label paper supply mechanism to the peeling table in an expanded state. And
The portion of the release paper located on the one side from the slit is separated from the other side by the second edge and inverted. Then, the label paper in which the one side of the release paper is separated from the lower surface of the label is transferred to the first edge. Then, the other side of the release paper is inverted by the first edge, and the label is peeled off from the release paper. In this way, before the label paper reaches the first edge, if the one side of the release paper is separated in advance by the second edge,
Since the label is peeled off by the first edge only on the other side of the release paper, the label can be smoothly peeled even when a thin label is used.

Then, the release paper on one side inverted by the second edge and the release paper on the other side inverted by the first edge are extended, for example, through the back side of the peeling table to form the release paper. It is collected by the pattern collection mechanism.

The thin label which can be smoothly peeled off by the label sticking apparatus according to the present invention has a thickness of about 20 μm or more and 40 μm or less.

In the label sticking apparatus in which the peeling table is formed so that the second edge is warped upward, the label paper reaches the second edge and one side of the release paper is inverted. At this time, the portion of the label that has been stuck to one side of the release paper warps upward. This makes it easier to peel off the label by the later first edge.

A label sticking apparatus comprising an air jet nozzle for jetting an air flow toward any position in a region where a label passes by the transfer of the label sheet in front of the second edge. In the item 3), the label paper reaches the first edge in a state where one side of the release paper is separated from the lower surface of the label by the second edge. Since the one side of the label receives an upward force due to the jet of the flow, the label can be easily peeled off by the first edge.

[0014] The peeling table may be a label sticking apparatus in which a plurality of sets of edges including the first edge and the second edge are arranged along a direction (lateral direction) orthogonal to the longitudinal direction. In 4), a plurality of labels can be simultaneously peeled off by one peeling table.

Further, in the label sticking apparatus in which the adjacent sets of edges are formed so as to be symmetrical with respect to an imaginary axis parallel to the longitudinal direction, a lateral direction of the peeling table is provided. A relatively large number of first edges and second edges can be formed for a given width.

In the above label sticking apparatus, the release paper collecting mechanism for collecting the release paper after the label peeling, which has a feed roller which is a driving rotary member and a pressure roller which is driven and rotated by the feed roller, is provided. The two rollers are configured to pinch and transfer the release paper between the respective circumferentially moving surfaces, and the pressure roller has a number of release papers separated in the longitudinal direction by the slit. In the label sticking apparatus which is provided in the same number and is configured to be conveyed independently for each release paper (Claim 6), the pressure roller is separated from the one side separated by the second edge. Since the same number of release papers as the number of release papers provided by the first edge and the number of release papers can be independently collected for each release paper, the operation of loading a plurality of release papers to be recovered into the release paper collection mechanism can be performed. Each release For each paper can be independently can be carried out according work quickly and easily.

In the label sticking apparatus (claim 7), a pressing plate is provided along the upper surface of the peeling table and lightly presses the label paper against the peeling table. Since the portion existing on the other side of the label paper transported to the edge is pressed from the rear to the first edge along the slit passing position by the pressing member, the portion is closely adhered to the upper surface of the peeling table. become. Therefore, when the release paper on the other side is inverted by the first edge, it does not impair the stretched state, and does not hinder the peeling of the label.

[0018]

FIG. 1 is a side view of a configuration example of a label sticking apparatus according to the present invention.

The label sticking apparatus 1 includes a label paper supply mechanism including a label reel 2 and an extension mechanism 3, a peeling table 10 having a peeling edge for peeling a label from release paper, and a label peeling apparatus. A release paper collection mechanism including a feed roller 53, a pressure roller 54, and a take-up pulley 56 for collecting release paper after the release, and a pressing member 7 for nipping label paper between the release table 10 and the release table 10 are provided. .

The label reel 2 is provided on a stay 2c extending upward in the label sticking apparatus 1. 2, the label paper 11 is wound around the axis 2a of the label reel 2 from the center to the outside. The label paper 11 is composed of a release paper 13 provided with a slit 14 in its longitudinal direction as shown in FIG. 4 described later, and a label 12 adhered to the release paper at regular intervals so as to straddle the slit 14. Is formed. Then, when a pulling force acts on the label paper 11 by driving the feed roller 53 described later, the label reel 2 rotates in the direction of arrow A about the shaft 2a, and the label paper 11 is fed.

The members related to the movement of the label reel 2 will be described below with reference to FIGS.

FIG. 2 shows the II of the label reel 2 in FIG.
FIG. 3 is a rear view of the label reel 2 shown in FIG. 1.

As shown in FIGS. 1 and 2, the label paper 11 is sent out from the label reel 2, is suspended by the tension roller 22, and is guided toward the peeling table 10 below.

As shown in FIGS. 2 and 3, the arm 21 to which the tension roller 22 is connected at one end is rotatable about a shaft 21a. A brake ring 24 is coaxially fixed to the label reel 2 so that the brake ring 24 can rotate together. On the other hand, one end of the brake belt 23 is
And the other end of the stay 2c is wound around the brake ring 24 and the other end of the stay 2c.
It is locked to. And the brake belt 23
Engages with a part of the outer periphery of the brake ring 24 in a state where the label reel 2 is stationary, and brakes the label reel 2 via the brake ring 24. The arm 21 is urged by a spring 25 so as to take a predetermined stationary posture in a state where the pulling force is not acting on the label paper 11.

When a pulling force acts on the label paper 11 by driving the feed roller 53 as described above,
As shown in FIG. 3, the arm 21 rotates in the direction of arrow B about the shaft 21a. As a result, the brake belt 23 is loosened and the pressure contact with the brake ring 24 is released, and the label reel 2 rotates while sending the label paper 11 in the direction of arrow A. When the action of the pulling force on the label paper 11 is stopped, the arm 21 is returned to the predetermined stationary posture by the spring 25.

As shown in FIG. 1, an extension mechanism 3 is provided below the tension roller 22 to extend the label paper 11 so as not to be loosened. The extension mechanism 3 includes two fixed shafts 4a, 4b provided to guide the label paper 11 to meander, and a urethane rubber plate 5 for sandwiching the label paper 11 between the shafts 4b.

Below the extension mechanism 3, an optical sensor mechanism 6 used for controlling the driving of the feed roller 53 is provided. The optical sensor mechanism 6 is provided with an optical sensor 6a having a light source having a brightness enough to transmit light through the release paper 13 although the label 12 of the label paper 11 is shielded from light. Label 1 along the direction
2 can be detected as having been transported by a distance corresponding to one of the two lengths. The optical sensor 6a is
As shown by arrow C, the installation position can be moved in the vertical direction. This is a configuration for aligning the optical sensor 6a between labels on the label paper 11.

A guide roll 51 is provided below the optical sensor mechanism 6, and the label paper 11 is guided by the guide roll 51 so as to head toward the peeling table 10 obliquely below.

The peeling table 10 is a member for peeling off the label 12 and reversing the release paper 13 by the peeling edge of the label paper transferred to the upper surface thereof.

FIG. 4 is a view taken along the line IV-IV in FIG.
The first edge 10a and the second edge 10b of the peeling table 10 are shown. FIG. 5 is a perspective view of the peeling table 10,
FIG. 6 is a view taken along line VI-VI in FIG.

As shown in FIG. 4 and FIG.
A notch S is formed on one side 61 of the slit passing line L through which the slit 14 formed along the longitudinal direction of the release paper 13 passes, from the tip position 63 to the rear 64. Are formed. Such peeling table 1
0 has an edge at its tip. The edge portion includes a first edge 10a formed forward and a second edge 10b formed adjacent to the first edge 10a and along the end of the notch S at the rear 64 thereof. I have.

When the part of the release paper 13b on the one side 61 of the label paper 11 from the slit passing line L reaches the position of the second edge 10b as shown by the arrow D, it is shown in FIGS. As described above, since the second edge 10b is inverted to the back surface side of the peeling table 10, the other side portion 13a
And separated. On the other hand, the part of the release paper 13a on the other side 62 with respect to the slit passing line L of the label paper 11 is transferred to the first edge 10a in the direction of arrow D with the label 12 adhered.

As shown in FIGS. 5 and 6, when the release paper 13a on the other side is inverted at the first edge 10a, the label 12 is peeled off from the release paper 13 and an arrow E is drawn from the first edge 10a. Sent in the direction.

As described above, before the label 12 reaches the first edge 10a where the label 12 is completely peeled off from the release paper 13, the release paper 13b on one side on which the label 12 is stuck is firstly moved to the second edge 10b. The separation of the label 12 by the edge 10a can be performed smoothly by separating the labels 12 from each other.

The first edge 10a of the peeling table 10 is
As shown at 68 in FIG.
Are formed so as to slightly protrude from the slit passing line L. By forming the first edge 10a in such a shape,
The release paper 13a, which is transported and inverted by the first edge 10a, can be prevented from being caught on the end portion e.

The first edge 10a and the second edge 10
6b, at least the second edge 10b is formed to have a shape slightly warped upward with respect to the front of the peeling table 10, as indicated by 69 in FIG. As a result, when the label paper 11 reaches the second edge 10b and one side of the release paper is turned over, the part adhered to the release paper 13b on one side of the label 12 warps upward, and Of the label 12 by the first edge 10a can be easily performed.

FIG. 6 also shows the first edge 10a.
When the label paper 11 is formed so as to be slightly upwardly warped with respect to the front of the peeling table 10 as indicated by 69, the label paper 11 is obliquely upward when the label paper 11 is transferred from the rear of the peeling table 10 to the first edge 10a. The first edge 10a
The label 12 can be easily and more easily peeled off.

As shown in FIGS. 4 to 6, an air injection nozzle 71 is provided at any position in the area where the notch S is formed and which is included in the area through which the label to be transferred passes. Is provided. As shown in FIGS. 5 and 6, the air injection nozzle 71 is provided at a position lower than the upper surface of the peeling table 10 through which the label paper 11 passes.
The air stream is injected upwards towards the part present in 1.
As a result, the label 12 receives a force acting upward on the one side 61 of the label 12 before reaching the first edge 10a to be peeled immediately afterward, so that the label 12 is smoothly peeled from the release paper 13a at the first edge 10a. You.

As shown in FIGS. 1, 5 and 6, a pressing member 7 is provided along the upper surface of the peeling table 10. The pressing member 7 applies the label paper 11 to the peeling table 10.
Lightly pressed on the upper surface of. The pressing member 7 presses the portion of the label paper 11 on the other side 62 from the slit passing line L to which the label 12 is stuck, from the rear to the vicinity of the front first edge 10a along the slit passing line L. It is configured to be. The pressing of the label paper 11 by the pressing member 7 is performed to such an extent that the label paper 11 can be transferred.

When the label paper 11 is pressed by the pressing member 7, the other side 62 of the label paper 11 is brought into close contact with the upper surface of the peeling table 10 from the rear to the first edge 10a along the slit passing line L. You can follow along. Therefore, the release paper 13a on the other side 62 does not impair the stretched state when inverted by the first edge 10a, and does not hinder the peeling of the label 12.

FIG. 7 shows, as an example of the peeling table 10, a sheet which can correspond to a label sheet 11 in which labels are attached to four parallel slits, respectively. That is, the stripping table 10 is formed with four rows of an edge set including the first edge 10a and the second edge 10b, and each of the edge sets is (1), (2), (3), (3). 4).

In the peeling table 10 shown in FIG. 7, a pair of adjacent edges is formed so as to be symmetric with respect to the virtual axes X1, X2, X3 parallel to the slit passing line L. I have. That is, (1) and (2) are symmetric with respect to X1, (2) and (3) with respect to X2, and (3) and (4) with respect to X3.

In the case where a plurality of sets of edges are provided on the peeling table 10, if adjacent ones are arranged symmetrically as shown in FIG. A relatively large number of the one edge 10a and the second edge 10b can be formed.

In the peeling table 10 shown in FIG. 7, the air jet nozzle 71 is provided on one side 61 of each slit passing line L so as to correspond to each of the four sets of edges. Is the other side 6 for each slit passing line L
2 is provided.

Release paper 1 inverted by first edge 10a
3a and release paper 13b inverted by the second edge 10b
As shown in FIG. 1, as shown in FIG. 1, after passing through the back side of the peeling table 10,
The paper is collected by a release paper collection mechanism provided with the above.

The feed roller 53 is provided with a rotary roller made of rubber, and is rotated about the shaft 53a in the direction of arrow F by an electric motor (not shown) as a main driving rotary member. A pressure roller 54, which is a driven rotary member, is provided so as to contact the feed roller 53 with the release papers 13a and 13b sandwiched therebetween, and rotates in the direction of arrow G about the shaft 54a. The pressure roller 54 can be set so as to be in contact with the feed roller 53 by the operation lever 55, and the contact with the feed roller 53 can be released.

Thus, the reversing release papers 13a and 13b are transported to the take-up pulley 56 to be recovered while being extended by the feed roller 53 and the pressure roller 54 which rotate in close contact with each other. The label is transferred from the label reel 2 to the peeling table 10 through the transfer of the release paper 13.

The electric motor for rotating the feed roller 53 starts operation by operating an operation switch (not shown), and the optical sensor mechanism 6 moves the electric motor to a distance corresponding to the length of one label 12. Only label paper 1
When it is detected that 1 has been transferred, the operation is controlled to stop.

The take-up pulley 56 is connected to the feed roller 53 by a belt (not shown), and rotates in the direction of arrow H about the shaft 56a in accordance with the rotation of the feed roller 53. Thereby, the take-up pulley 5
Reference numeral 6 denotes a release paper 1 which is transferred by rotation of the feed roller 53.
3a, 13b can be wound up.

Here, in configuring the release paper collection mechanism, a configuration in which a plurality of pressure rollers 54 are provided for one feed roller 53 as shown in FIG.

In the example shown in FIG. 8, five rows of pressure rollers 54 are provided. FIG. 9 is a diagram corresponding to a cross-sectional view taken along line IX-IX of FIG. Specifically, the specific configuration shown in FIG. 9 is such that the label paper 11
It is most suitable when the label 12 in a row is affixed, in other words, when it is composed of three rows of release paper 13a and two rows of release paper 13b.

As described above, when the same number of the release rollers 54 as the number of the release papers 13a and 13b separated by the peeling edge are provided so that the release papers can be independently collected for each release paper, the release papers 13a and 13b are separated from each other. The work of loading the collection mechanism is easy.

FIG. 1 shows an example of an operation of attaching a label peeled off by a label attaching apparatus according to the present invention to an article.

The label 12 peeled off from the first peeling edge 10a as shown by an arrow E is sucked as shown by an arrow J on a sticking head 76 having a vacuum suction type suction surface 76a. Then, the sticking head 76 is moved to a predetermined position in the directions of arrows K and M by a driving mechanism (not shown), and the label 12 is stuck to the article 78 conveyed by the belt conveyor 77.

[0055]

As described above, the label sticking apparatus according to the first to third aspects of the present invention has an effect that the label can be peeled off smoothly even when the label is thin. .

The invention described in claim 4 has an effect that a large number of labels can be peeled off at the same time.

According to the fifth aspect of the present invention, since a relatively large number of first edges and second edges can be formed with respect to a fixed width in the horizontal direction of the peeling table, the label sticking apparatus can be reduced in size. This has the effect of being able to be configured as:

According to the sixth aspect of the present invention, since the operation of loading a plurality of release papers to be collected into the release paper collection mechanism can be performed independently for each release paper, such an operation can be performed quickly and easily. This has the effect.

According to the seventh aspect of the present invention, the label paper comes along the upper surface of the peeling table so as to come into close contact therewith. for that reason,
The release paper on the other side does not impair the stretched state when inverted by the first edge, and does not hinder the peeling of the label.

[Brief description of the drawings]

FIG. 1 is a front view of a label sticking apparatus.

FIG. 2 is a view of the label reel of FIG. 1 taken along line II-II.

FIG. 3 is a rear view of the label reel of FIG. 1;

4 is a view of the peeling table 10 shown in FIG. 1 taken along the line IV-IV.

FIG. 5 is a perspective view of the peeling table 10 shown in FIG.

FIG. 6 is a view taken along line VI-VI in FIG. 4;

FIG. 7 is a plan view showing an example of a peeling table on which a plurality of peeling edges are formed.

FIG. 8 is a front view showing an example including a plurality of pressure rollers.

9 is a plan view of an example including a plurality of pressure rollers, and is a cross-sectional view taken along line IX-IX of FIG.

FIG. 10 shows a state where a label is peeled off by a conventional label sticking apparatus, and FIG. 10 (a) is a plan view thereof;
(B) is a sectional view taken along line XX of (a).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Label sticking apparatus 2 ... Label reel 3 ... Extension mechanism 6 ... Optical sensor mechanism 7 ... Pressing member 10 ... Peeling stand 10a ... First peeling edge 10b. ..Second release edge 11 ... Label paper 12 ... Label 13 ... Release paper 13a ... Release paper 13b ... One release paper 14 ... Slit 21 ... Arm 21a: Arm rotation shaft 22: Tension roller 23: Brake belt 24: Brake ring 51: Guide roll 52: Guide roll 53: Feed roller 54: Pressure bonding Roller 56 ... Take-up pulley 76 ... Sticking head 77 ... Belt conveyor 78 ... Article 100 ... Peeling table 101 ... Label 102 ... Release paper 103 ..Label paper

Claims (7)

[Claims] 1. A label paper comprising a release paper provided with a slit separable in the longitudinal direction and a label stuck on the release paper across the slit is transported in the longitudinal direction while being extended. A label sheet supply mechanism, a peeling table for peeling off the label by inverting the release paper to the side where the label is not stuck at an edge portion provided at the tip thereof, and And a second edge formed rearwardly adjacent to the first edge, wherein the release paper has the other side of the slit inverted at the first edge, and a second edge The label sticking apparatus which is comprised so that one side of a slit may be reversed. 2. The label sticking apparatus according to claim 1, wherein said second edge is formed in a shape warped upward. 3. An air jet nozzle for jetting an air flow toward any position in a region where a label passes by the transfer of the label paper in front of the second edge. The label sticking apparatus according to claim 1 or 2. 4. The peeling table according to claim 1, wherein a plurality of edge sets each including the first edge and the second edge are arranged along a direction orthogonal to the longitudinal direction. The label sticking device according to claim 3. 5. The label sticking apparatus according to claim 4, wherein the adjacent sets of edges are formed symmetrically with respect to a virtual axis in a direction parallel to the longitudinal direction. 6. A release paper collecting mechanism for collecting release paper after label peeling, comprising a feed roller as a main rotating member and a pressure roller driven to rotate by the feed roller. Are configured so as to pinch and transfer release paper between the respective circumferentially moving surfaces, and that the same number of release rollers as the number of release papers separated in the longitudinal direction by the slits are provided. The label sticking apparatus according to claim 1, wherein the transfer is performed independently for each release paper. 7. The label sticking apparatus according to claim 1, wherein a pressing plate is provided along an upper surface of the peeling table to lightly press the label paper against the peeling table.