JP2003128027A - Apparatus and method for joining label automatically in labeling machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus and a method for joining a label automatically in a labeling machine, which make it unnecessary to stop operations of the whole labeling machine and a conveyor, when labels L1 and L2 are replaced and replenished, and which can reduce the time and cost of automatic labeling work. SOLUTION: Characteristically, attention is given to the automatic joining of one label roll to the other label roll; the first or second label L1 or L2 can be fed into a label joining part 23 from a first or second label feeding part 21 or 22; and the label joining apparatus is provided with a label sucking device 34, a label sucking holder 33, a label joining piston 36, a first end detecting sensor 26, a second end detecting sensor 27, a joint end detecting sensor 35 and a part 25 for imparting slack to the label L1 or L2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a label automatic joining device and a label automatic joining method in a label sticking machine, and more particularly to a label sticking machine for feeding a label wound in a roll into a strip and sticking it to an article. And an automatic label splicing method.

[0002]

2. Description of the Related Art A conventional label sticking machine will be outlined with reference to FIGS. FIG. 8 is a schematic side view of the conventional label sticking machine 1, and FIG. 9 is this label sticking machine 1.
FIG. 2 is a plan view of the label 2 to be loaded on the label sticker 1, in which the label sticking unit 1, the label guiding unit 4, the label positioning sensor 5, the label peeling unit 6, the label sticking unit 7, and the mount roll. And a take part 8. As shown in FIG. 9, the label 2 is obtained by temporarily attaching a plurality of label pieces 10 on the surface of a strip-shaped mount 9 at predetermined intervals.
A mark 11 for position detection is printed on the back surface of the label, and the mark 11 can be detected by the label positioning sensor 5.

The label supply unit 3 winds and holds the label 2 in a roll shape, and drives the mount take-up unit 8 to feed the label 2 into a strip shape in the direction of the label guide unit 4 and the label peeling unit 6. Can be supplied to.

The label peeling unit 6 has a peeling plate 12, and only the mount 9 of the label 2 is reversed by the peeling plate 12 so that the label piece 10 faces the sticking roller 13 of the label sticking unit 7. The article M to which the label 2 (label piece 10) is attached is transferred by the conveyor 14, and the label attaching unit 7
By operating the sticking roller 13 in FIG.
Is attached to the article M.

Generally, necessary information is printed on the label 2 in advance in many cases, but if necessary, the printing section 15 for printing on the label strip 10 upstream of the label peeling section 6 is provided. Can be provided.

In the label applicator 1 having such a structure, when the label 2 is replaced or replenished, the entire label applicator 1 from the label supply unit 3 to the label guide unit 4, the label peeling unit 6 and the mount take-up unit 8 can be used. Since it is necessary to stop the conveyor 14, there is a problem that workability in the label sticking step is reduced and time and cost are required.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is not necessary to stop the entire label applicator and the conveyor in the label applicator at the time of label replacement or replenishment. An object is to provide a splicing device and an automatic label splicing method.

Another object of the present invention is to provide an automatic label joining device and an automatic label joining method in a label sticking machine that can realize continuous operation of the label sticking machine.

Further, according to the present invention, when the label is replaced or replenished, the operation of the label sticking machine itself is not stopped, but the transfer of the label at the label splicing part is temporarily stopped to enable a stable label splicing operation. An object of the present invention is to provide an automatic label splicing device and a label automatic splicing method in the label sticking machine.

It is another object of the present invention to provide an automatic label joining device and an automatic label joining method in a label sticking machine which can reduce the time and cost of the automatic label sticking operation.

[0011]

That is, according to the present invention, a spare label roll is provided in advance, and when one label roll is lost, another label roll can be automatically spliced. Focusing on that, the first invention is an automatic label splicing device in a label sticking machine for feeding a label wound in a roll shape into a strip shape, and sticking the label to an article. A first label supply unit that winds a label in a roll shape and a second label supply unit that winds a second label in a roll shape separately from the first label supply unit are provided. The label supply unit feeds the first or second label in a strip shape so that the label joint unit can supply the label, and the label joint unit can suck the first or second label. A suction device, and a label suction cradle that is located between the label suction device and the first or second label and is capable of temporarily contacting the suctioned first or second label, A label splicing piston that presses a splicing label for splicing the first label and the second label toward the label suction pedestal, and the end of the first label can be detected, and the label can be detected. The first end detection sensor that outputs a signal that enables the suction of the first label by the suction device and the end portion of the second label can be detected, and the second end of the second label by the label suction device. It is possible to detect the second end detection sensor that outputs a signal that enables suction of the label and the end portion of one of the first label and the second label. Moni, the label splicing piston according to the first label and the second
A joint end detection sensor that outputs a signal that enables pressing of the above-mentioned joint label to the joint of the label is provided, and further, on the downstream side of this label joint, the jointed band-shaped label is provided. An automatic label joining device in a label sticking machine, which is provided with a label slack imparting portion capable of giving a slack for a predetermined length.

A first upstream label tension holding roller for guiding the first label and having a one-way clutch, and a second roller for guiding the second label and having a one-way clutch are provided upstream of the label joint portion. 2 upstream label tension holding rollers can be provided, and downstream label tension holding rollers for guiding the joined labels and having a one-way clutch can be provided on the downstream side of the label joint portion.

It is possible to provide a label splicing cylinder that causes the splicing piston to come into contact with and separate from the joint of the first label and the second label with a predetermined pressing force.

A pressing piston for temporarily pressing the first or second label to stop it downstream of the label suction tray, and a driving piston for the pressing piston toward the first or second label. And a pressing cylinder for pressing.

The splicing label can be unrolled from the supply portion in a strip shape and can be positioned between the label splicing piston and the label suction receiving base in parallel to the label suction receiving base.

A second invention is an automatic label joining method in a label applicator for feeding a label wound in a roll into a strip and applying the label to an article.
A first label supply unit that winds the first label in a roll shape and a second label supply unit that winds the second label in a roll shape separately from the first label supply unit are provided. Then, the first or second label can be fed out in a strip shape from any of the label supply sections and can be supplied to the label joint section, and at the label joint section, the label suction unit is passed by the label suction unit to pass the first label. Alternatively, by sucking the second label, the label is brought into contact with the label suction cradle, the respective ends are aligned, and the splicing label is separated by the label splicing piston from the ends of the first label and the second label. It is an automatic label joining method in a label applicator, characterized in that the first label and the second label are joined by applying them across the parts.

In the label automatic joining device and the label automatic joining method in the label sticking machine according to the present invention,
The first label supply section of the first label roll and the second label supply section in the form of a second label roll are provided, and at the label joint section, the first or second label is passed through the label suction cradle. Suction, align each end, and use the label splicing piston to create a splicing label,
Since the first label and the second label are automatically joined by sticking them over the ends of the first label and the second label, the label disappears in one label supply section. In this case, the label can be supplied in a strip shape from the other label supply unit, and the label applicator does not run out of label rolls. Therefore, it is not necessary to stop the label sticking machine and the conveyor even when the label is replaced, and the label sticking work can be efficiently performed, which contributes to improvement in workability and cost reduction.

In particular, according to the first aspect of the invention, the label splicer, the label suction pedestal, the label splicing piston, the first end detection sensor, the second end detection sensor, and the joint end detection sensor are provided in the label joint portion. Since the first label and the second label are temporarily stopped at the label splicing portion, their ends are aligned and joined accurately.

In particular, according to the second aspect of the invention, in the label joint part, the first or second label suction receiving base is passed through.
By sucking the label of the above and aligning the respective ends, and applying the joining label by the label joining piston across the ends of the first label and the second label,
Since the first label and the second label are joined together, the first label or the second label can be temporarily stopped at the label splicing portion, and a stable and reliable automatic splicing operation can be performed. .

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an automatic label joining device 20 and an automatic label joining method in a label sticking machine according to an embodiment of the present invention will be described with reference to FIGS. However, the same parts as those in FIGS. 8 and 9 are designated by the same reference numerals, and the detailed description thereof will be omitted. FIG. 1 is a side view of the automatic label splicing device 20. The automatic label splicing device 20 includes a first label supply unit 21, a second label supply unit 22, a label splicing unit 23, and a splicing label supply unit. Part 2
4 and a label slackening unit 25.

The first label supply section 21 winds the first label 2 (hereinafter referred to as "first label L1") in a roll shape. The second label supply unit 22 is provided at a position different from that of the first label supply unit 21, and the second label 2
(Hereinafter, referred to as "second label L2") is wound into a roll. From either of the label supply units 21 and 22, the first label L1 or the second label L2 is connected to the label joining unit 2
3 can be supplied.

The label joint portion 23 does not operate when the label sticking machine 1 is operating normally, and simply allows the first label L1 or the second label L2 to pass therethrough. Label L1 or second label L2
When there are no more, these are held and their ends are aligned and joined by a joint label L3 (described later). The label joint portion 23 includes a first end detection sensor 26 and a second end detection sensor 27.
And a first upstream label tension holding roller 28 and a second upstream label tension holding roller 29.
A first label guide roller 30 and a second label guide roller 31, a label guide plate 32, a label suction pedestal 33 and a label suction device 34, a joint end detection sensor 35, and a label joint piston 36. ,
A downstream label tension holding roller 37, a pressing piston 38, and a guide roller 39 are provided so that the label 2 (first label L1 or second label
The label L2) can be guided to the label slackening unit 25.

The first end detection sensor 26 can detect the end portion of the first label L1, and the first label L1 or the second label L2 by the label suction device 34.
Outputs a signal that enables the suction of. The second end detection sensor 27 can detect the end portion of the second label L2 and outputs a signal that enables the label suction device 34 to suction the first label L1 or the second label L2. .

The first upstream label tension holding roller 28 has a one-way clutch which allows rotation of the first label L1 only in the transfer direction. The first label L1 holds the first label L1 and holds the downstream label tension. The necessary tension is applied to the first label L1 in cooperation with the holding by the holding roller 37 to prevent the first label L1 from loosening at the label joint portion 23. The second upstream label tension holding roller 29 has a one-way clutch that allows rotation of the second label L2 only in the transfer direction, holds the second label L2, and holds the downstream label tension holding roller 37. Second in cooperation with pinching by
The necessary tension is applied to the label L2 to prevent the first label L1 from loosening in the label joint portion 23.

The first label guide roller 30 is a driven roller that freely rotates, and guides the first label L1 or the second label L2 toward the label suction tray 33. The second label guide roller 31 is a driven roller that rotates freely, and is the first label L1 or the second label.
The label L2 is guided toward the label suction tray 33.
A label guide plate 32 is provided on the downstream side of the first label guide roller 30 and the second label guide roller 31 to ensure the guide action.

The label suction pedestal 33 is the label suction device 3
4, the end portion of the first label L1 and the front end portion of the second label L2 (or the front end portion of the first label L1 and the end portion of the second label L2) are butted to each other on the label transfer path side of No. 4; The first label L1 is located at the label joining portion 40, and is driven by the label suction device 34.
Alternatively, the second label L2 is sucked onto the surface thereof and brought into contact with the label suction receiving table 33 with a predetermined contact force to stabilize the respective end portions, and at the same time, the first label L1 or the second label L2 Allow transfer.

The joint end detection sensor 35 has the detection portion at the label joint 40. That is, the joint end detection sensor 35 detects the positions of the ends of the first label L1 and the second label L2 in the label joint 40, and either the first label L1 or the second label L2. One end can be detected. The output of this detection signal enables the pressing cylinder 38 to be driven by the pressing cylinder 41, and the label joint portion 2
3, the label splicing operation is started by pressing the label splicing piston 36 with the label splicing cylinder 43 while pressing the label 2 (the first label L1 or the second label L2) on the arbitrary wall surface 42 in FIG. It is possible to start driving the joint label supply unit 24.

The label splicing piston 36 faces the splicing label L3 (described later in FIG. 3), and is spliced to the splicing label L3.
The label splicing cylinder 43 punches the splicing label L3 by pushing it toward the splicing label L3 and the label suction receiving table 33 in the label splicing portion 40 by the label splicing cylinder 43. Then, the first label L1 and the second label L2 in the label joining section 40 are joined.

Downstream label tension holding roller 37
Has a one-way clutch that allows the bonded label 2 to rotate only in the transfer direction, and cooperates with the first upstream label tension holding roller 28 or the second upstream label tension holding roller 29, Tension is applied to the first label L1 and the second label L2 that are joined at the label joint portion 23, and the first label L1 and the second label L2 are attached at the label joint portion 23.
Do not sag.

The pressing piston 38 presses the joined label 2 on the wall surface 42 by the operation of the pressing cylinder 41, as described above, on the downstream side of the downstream label tension holding roller 37. The label 2 is temporarily fixed during punching of the label L3.

The splicing label supply unit 24 is provided with a splicing label L3 supply unit 44 and a pair of splicing guide rollers 45 provided in the vicinity of the label joining unit 40 and facing the label suction receiving table 33 and in parallel therewith. And a pair of splicing support rollers 46, a winding portion 47, and a label positioning sensor 4
8 and. Splicing label L3 guided and supported by splicing guide roller 45 and splicing support roller 46
Will be positioned parallel to the label suction tray 33. The splicing label guide roller 49 in the splicing label supply unit 24 has a one-way clutch that allows the splicing label L3 to rotate only in the transfer direction.
Prevent the joint L3 from slacking when the joint label L3 is punched by.

By rotating the winding section 47,
A continuous body of the splicing label L3 can be supplied to the label joint portion 40 and the label splicing piston 36 portion.

The label slackening unit 25 loosens the joined band-shaped labels by a predetermined length while maintaining a predetermined tension, and the label peeling unit also performs the automatic joining operation in the label joint unit 23. 6 and label attaching part 7 (FIG. 8)
Label 2 (first label L1 or second label L
The purpose is to allow a sufficient time to supply 2) continuously. That is, the label slackening unit 25 includes a swing plate 50, a swing shaft 51 of the swing plate 50, a plurality (two) of looseness imparting rollers 52 rotatably attached to the swing plate 50, and a slack. A plurality of (3) slack imparting rollers 53 rotatably mounted separately from the imparting roller 52,
Have.

Label 2 upstream (label joint 23 side)
If tension such as pulling is applied to the swing plate 5,
0 rotates about the swing shaft 51 in the counterclockwise direction in the figure to allow the necessary length to be extended to the label peeling section 6 side. When this tension is released, the swing plate 50 is tuned by its own weight. To rotate clockwise. The label 2 reaches the label peeling section 6 (FIG. 8) from the label slackening section 25.

FIG. 2 shows a label 2 (first
2 is a plan view of the label L1 and the second label L2) of FIG. 1, for example, where the joint label L3 is on the back surface of the mount 9 across the terminal end L1E of the first label L1 and the front end L2F of the second label L2 First by joining from
The label L1 and the second label L2 are automatically connected. However, when the end portion L1E of the first label L1 and the front end portion L2F of the second label L2 are brought into close contact with each other, the label piece 10 at each end portion
It is desirable that the pitch Q between the label strips 10 is equal to the normal pitch P between the label strips 10 in other portions, but the label strip 10 is actually controlled by the control using the label position detection sensor 5 in the label sticking machine 1. Since the label is peeled off properly at the label peeling portion 6, there is no particular problem.

FIG. 3 is a perspective view of the splicing label L3. The splicing label L3 does not have a mount 9 like the label 2 (FIG. 9), that is, the surface of the label paper is coated with a release agent. A so-called label without a label, which is applied and has a back surface facing the label joint portion 40 as a glue surface, having a length and a size necessary for connecting the first label L1 and the second label L2. There is. That is, the pitch of the splicing label L3 is determined according to the distance between the label positioning sensor 48 and the label joint portion 40, and the required length across the first label L1 and the second label L2. The joint label L3 is provided with a brittle continuous portion 54 also between the label main body and the label main body so that the label joint piston 36 can perform punching.

An operation of automatically joining the first label L1 and the second label L2 with the joining label L3 in the automatic label joining device 20 having such a configuration will be described with reference to FIGS. FIG. 4 is a flowchart of the operation, FIGS. 5 to 7 are side views of the main parts in each state, and FIG. 5 is a side view of the main parts showing a normal operating state of the label sticking machine 1. As shown in FIG. 5, in a state where the first label L1 is fed out in a strip shape from the first label supply unit 21 and the label piece 10 is attached to the article M, the second label L2 is the second upstream side. It is held by the side label tension holding roller 29 and is in a standby state at the portion of the second label guide roller 31. Second label L2
Is set to the position shown in FIG. 5 at the time of the previous setting (the position where the label splicing piston 36 and the label suction receiving base 33 can sandwich the joint splicing end detection sensor 35.
It is assumed that this has been extended. The label suction device 34, the label joining piston 36, and the pressing piston 38 of the label suction receiving table 33 are in a stopped state,
There is no special drive.

In step S1 of FIG. 4, assuming that the first label L1 is lost, for example, as shown in FIG. 6, the first end detection sensor 26 has the first label L1.
The end portion L1E of the is detected. At this time, the necessary tension on the first label L1 is held by the first upstream label tension holding roller 28 and the downstream label tension holding roller 37 as in the normal operation.

The label suction device 34 operates by the detection of the first end detection sensor 26 (step S2),
The first label L1 is sucked onto the label suction tray 33 with a predetermined suction force. However, the first label L1 is transferred while slipping on the surface of the label suction receiving table 33 by the peeling and sticking operation in the label sticking machine 1.

In step S3, when the joint end detecting sensor 35 detects the end portion L1E of the first label L1 (FIG. 7), the pressing cylinder 41 is operated and the pressing piston 38 walls the label 2 in step S4. It is pressed against 42 with a predetermined pressing force.

Then, in step S5, the label splicing cylinder 43 operates, the label splicing piston 36 punches the splicing label L3 toward the label suction tray 33, and the splicing label L3 is separated into the first label L1 and the second label L2. It is pressed against the label joint portion 40 with the label L2 with a predetermined pressing force. That is, the first label L1, the second label L2, and the splicing label L3 are pressure-bonded between the label splicing piston 36 and the label suction receiving table 33, and the end portion L1E of the first label L1 and the second label L1 are attached. L2 front end L2
Join with F (FIG. 7). The splicing label L3 is a label joining portion 4 between the first label L1 and the second label L2.
Since the first label L1 and the second label L2 are punched and pressed linearly toward 0 and the first label L1 and the second label L2 are temporarily stopped, the first label L1 and the second label L2 are pressed. The bonding operation with L2 can be performed accurately and reliably. Thus, the second label L2 is loaded in the label sticking machine 1 instead of the first label L1, and the label 2 (second label L2) is continuously supplied from the second label supply unit 22. Will be done.

In step S6, it is determined whether label joining has been performed normally. This determination can be performed, for example, by detecting the label 2 by the joint end detection sensor 35 or the label positioning sensor 5 (FIG. 8). An error signal is output in step S7, and an alarm sound or an alarm display is issued. I do.

When the label joining operation is normally performed, the label joining piston 36 and the pressing piston 38 are changed from the state shown in FIG. 7 to the label joining piston 36 and the pressing piston 38 in step S8 as shown in FIG.
Returns to the original state, the suction of the label suction device 34 is stopped, and the splicing label supply unit 24 causes the splicing label L3 to
Is driven until the label positioning sensor 48 detects.

As described above, while the second label L2 is being supplied in the form of a strip instead of the first label L1,
If the first label supply unit 21 can be loaded with a new roll-shaped first label L1 and the second label L2 is exhausted, the first label supply unit 21 outputs the first label L1 in the same manner as described above. Label L1 can be automatically hung on the second label L2.

Incidentally, the jointing label L in the present embodiment
As the label 3, a label without a mount is adopted, but a general label 2 (FIG. 9) can also be used.
The label piece 10 peeled off from the label joining piston 36 may be positioned and supported in parallel between the label joining piston 36 and the label suction receiving base 33.

[0046]

As described above, according to the present invention, the first label supply section and the second label supply section are provided, and the label suction section at the label joining section where the first label and the second label merge. Since the splicing label is automatically joined to the first label and the second label by using the cradle, the label suction device and the label splicing piston, a label applicator and a conveyor for loading or exchanging the label Therefore, it is possible to improve workability and efficiency, and expect cost reduction.

[Brief description of drawings]

FIG. 1 is a side view of an automatic label joining device 20 in a label sticking machine according to an embodiment of the present invention.

FIG. 2 is a plan view of labels 2 (first label L1 and second label L2) that are joined together according to the same embodiment.

FIG. 3 is a perspective view of a joint label L3 of the same.

FIG. 4 is a flowchart of the same operation.

FIG. 5 is a side view of essential parts showing a normal operating state of the label sticking machine 1.

FIG. 6 is a side view of relevant parts in a state in which the first end detection sensor 26 has detected the end portion L1E of the first label L1.

FIG. 7 is a side view of relevant parts in a state in which the joint end detection sensor 35 has detected the terminal end L1E of the first label L1.

FIG. 8 is a schematic side view of a conventional label sticking machine 1.

FIG. 9 is a plan view of the label 2 loaded in the label sticking machine 1.

[Explanation of symbols]

1 Label pasting machine (Fig. 8) 2 Label 3 Label supply section 4 Label guide section 5 Label positioning sensor 6 Label peeling section 7 Label sticking section 8 Mount board winding section 9 Strip mount 10 Label piece 11 Position detection mark 12 Label Peeling plate 13 of peeling unit 6 Peeling roller 14 of label sticking unit 7 Conveyor 15 Printing unit 20 Automatic label splicing device in label sticking machine 1 (embodiment, FIG. 1) 21 First label supply unit 22 Second label supply Section 23 Label splicing section 24 Splicing label supply section 25 Label slack imparting section 26 First end detection sensor 27 Second end detection sensor 28 First upstream label tension holding roller 29 Second upstream label tension holding roller 30 first label guide roller 31 second label guide roller 32 label guide plate 33 Bell suction cradle 34 Label suction device 35 Joint end detection sensor 36 Label joining piston 37 Downstream label tension holding roller 38 Pressing piston 39 Guide roller 40 Label joining portion 41 Pressing cylinder 42 Wall surface 43 Label joining cylinder 44 Joining label L3 Supply unit 45 A pair of splicing guide rollers 46 A pair of splicing support rollers 47 A take-up unit 48 for splicing label L3 A label positioning sensor 49 A splicing label guide roller 50 A swing plate 51 A swing shaft 52 A slack imparting roller 53 A slack Applying roller 54 Fragile continuous part of splicing label (FIG. 3) M Article (FIG. 8) L1 First label (label 2) L1E End part L2 of first label L1 Second label (label 2) L2F Front end L3 of label L2 of No. 2 Label Q for joining Pitch between the label strips 10 at each end when the end L1E of the first label L1 and the front end L2F of the second label L2 are butted together (FIG. 2) P first label L1 and second Normal pitch between label strips 10 on label L2 (Fig. 2)

Claims (6)

[Claims] 1. An automatic label joining device in a label applicator for feeding a label wound in a roll into a band and applying the label to an article, wherein the first label is wound in a roll. One label supply unit and a second label supply unit that winds a second label in a roll shape separately from the first label supply unit are provided. Alternatively, the second label can be fed in a strip shape and can be supplied to the label joint portion, and the label joint portion can suck the first or second label, and the label suction device and the first label suction device. A label suction cradle which is located between the first label and the second label and which can temporarily contact the sucked first or second label; and the first label and the second label. A label splicing piston for pressing against the splicing label for splicing to the label suction pedestal, together can detect the end of the first label,
A first end detection sensor that outputs a signal that enables suction of the first label by the label suction device, and the end portion of the second label can be detected,
It is possible to detect a second end detection sensor that outputs a signal that enables suction of the second label by the label suction device, and an end portion of one of the first label and the second label. And a joint end detection sensor that outputs a signal that enables the label joint piston to press the joint label against the joint portion of the first label and the second label, and An automatic label splicing device in a label sticking machine, characterized in that a label slack imparting portion capable of loosening a joined strip-shaped label by a predetermined length is provided on the downstream side of the label splicing portion. 2. A first upstream label tension holding roller which guides the first label and has a one-way clutch, and a second one which guides the second label and are provided on the upstream side of the label joint portion. A second upstream side label tension holding roller having a second upstream side label tension holding roller which has a one-way clutch and which guides the joined label to the downstream side of the label joint portion. An automatic label joining device in the label sticking machine according to claim 1. 3. A label splicing cylinder for bringing the label splicing piston into and out of contact with the joint portion of the first label and the second label with a predetermined pressing force is provided. Automatic label splicing device for label sticking machines. 4. A downstream side of the label suction cradle,
A pressing piston for temporarily pressing and stopping the first or second label and a pressing cylinder for driving the pressing piston toward the first or second label are provided. The automatic label joining device in the label sticking machine according to claim 1. 5. The label for splicing is unrolled from the supply portion in a band shape, and is positioned parallel to the label suction receiving base between the label splicing piston and the label suction receiving base. An automatic label joining device in the label sticking machine according to claim 1. 6. An automatic label joining method in a label applicator for feeding a label wound in a roll into a band and applying the label to an article, wherein the first label is wound in a roll. One label supply unit and a second label supply unit that winds a second label in a roll shape separately from the first label supply unit are provided. Alternatively, the second label can be fed out in a strip shape and can be supplied to the label joint portion, and at the label joint portion, the label suction device sucks the first or second label through the label suction receiving base. Abut the suction cradle,
The respective labels are joined together, and a label for splicing is applied by a label splicing piston across the ends of the first label and the second label, whereby the first label and the second label are attached. An automatic label joining method in a label sticking machine, which is characterized by joining.