JPH0311981B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for attaching a label.

[B] Prior Art For example, in order to affix a label to both sides of a bottle, etc., it is sufficient to pass the label between multiple sets of affixing devices.

Furthermore, as a device for pasting labels on both sides of bottles and the like, there is a type of device that punches out deformed labels such as triangles and rhombuses from tape and pastes them on both sides.

[B] Problems to be Solved by the Present Invention When a plurality of labels are attached to both sides of a bottle or the like using the punching type described above, the following two types of spacing are not the same.

(1) Spacing between labels affixed to the front and back of containers M (Figure 6a) (2) Spacing between one container M on the conveyor and the next container M (Figure 6b) Therefore, the minimum spacing If labels for the front and back of the container M were punched out one after another from the tape T printed with c and supplied to the container M at the same intervals, labels could not be attached to both sides of a single container M. However, the label will be supplied before the next container M arrives, making continuous double-sided pasting impossible.

In addition, deploying multiple sets of pasting devices
The equipment becomes large and uneconomical.

The present invention was made to solve the above-mentioned problems, and is a label pasting method that allows multiple labels to be successively pasted on multiple locations on containers etc. using a single device. The purpose is to provide a method.

[D] Embodiment An embodiment of the present invention will be described below with reference to the drawings, but first a label sticking device will be explained.

(1) Description of the entire device The pasting device 1 used in the present invention includes a set of label supply devices that manufacture multiple types of labels from one roll, and a label feeding device that receives multiple types of labels and calculates the distance between the labels. It consists of a pasting part that is spread out and pasted to the container in accordance with the supply interval of the container.

Furthermore, the label supply device includes a cutting section that cuts the tape T pulled out from the roll into a predetermined length;
It consists of a punching section for manufacturing two types of labels, for example, one for the front and the other for the back, from the tape cut by the cutting section.

The structure of each part will be explained below.

(2) Cutting section (Fig. 1) Reference numeral 11 is a pull-out roller, and the tape T is sandwiched between the two pull-out rollers 11 and pulled out one after another.

On the transfer side of the tape T pulled out by the pull-out roller 11, a fixed blade 21 and a rotating cutter 2 having a blade 22 protruding from the circumferential surface of a rotating drum are arranged, and the tape T passes between the two blades. The tape T can be cut into a predetermined size by rotating the rotary cutter 2.

(3) Punching section (Fig. 1) The punching section consists of two rotating drums, an anvil drum 5 and a die drum 6.

A shock absorbing material such as rubber is attached to the outer circumference of the anvil drum 5, and a convex blade having the same shape as the outer contour of the label L is provided on the circumferential surface of the die drum 6.

On the floor surface W under the bottom surfaces of both drums 5 and 6, there is a section connecting the position where the piece cut by the rotary cutter 2 is received and the position slightly advanced from the position where punching is completed, and the circumferential surface of the anvil drum 5 is pasted. Negative pressure grooves are provided in sections connecting the drums 7, respectively.

Furthermore, a label L is placed on the circumferential surface of both drums 5 and 6.
A suction hole is provided to separate and transport the label waste and label waste.

In particular, since the label waste adsorbed on the anvil drum 5 can be released immediately after passing through the negative pressure groove, the negative pressure is cut off and the label waste can be released, so there is no need to wind it up and collect it.

(4) Pasting section (FIGS. 1 to 5) A pasting drum 7 is arranged near the die drum 6.

The pasting drum 7 sequentially receives the labels L transferred by suction on the circumferential surface of the die drum 6 at regular intervals, and determines the pasting timing of the labels L in accordance with the intervals at which the containers M are supplied. It is a drum whose purpose is to correct.

In order to achieve the above object, the following modification means were adopted in this embodiment.

That is, as shown in FIG. 2, a plurality of sets (two sets in this embodiment) of fixed suction plates 8 and sliding suction plates 9 are provided on the outer periphery of the pasting drum 7.

[Fixed suction plate] (Figures 2, 3, and 5) The fixed suction plate 8 is fixedly attached to the outer periphery of the pasting drum, and the plate surface has suction holes 81 that generate negative pressure.
will be established.

In order to generate negative pressure in this suction hole 81, for example, a section (hereinafter referred to as a "correction section") from a position closest to the circumferential surface of the dye drum 6 to the floor surface W supporting the pasting drum 7 to the closest position to the container M is required. A negative pressure groove 82 is formed in the suction hole 81 (hereinafter referred to as "H"), and negative pressure is generated in the suction hole 81 only when passing directly above the negative pressure groove 82.

[Slide Suction Plate] (Figures 2, 4, and 5) The slide suction plate 9 is an L-shaped plate having a suction function and a horizontal sliding function.

The slide suction plate 9 has a pasting part 92 arranged close to the circumferential surface of the drum 7, and a leg part 9 extending in the horizontal direction.
Horizontal opening 71 opened at the bottom of the drum 7 for pasting 1
Penetrate and place inside.

[Slide Mechanism of Slide Suction Plate] (FIGS. 4 and 5) To provide the slide suction plate 9 with a horizontal sliding function, for example, a pin 93 is provided to protrude from the leg portion 92.

On the other hand, a swing arm is rotatably supported at the upper part of a support shaft 72 which is erected on the bottom surface of the pasting drum 7 through the middle of the swing arm.

Further, a U-shaped opening 74 is formed at one end of the swing arm 73, and the pin 93 of the leg portion 92 is straddled over and locked with this opening 74.

Further, a roller 75 is provided at the other end of the swing arm 73.
will be established.

Then, the roller 75 is engaged with a fixed groove cam 77 suspended from the upper part of the pasting drum 7 by a hanging member 76.

The fixed groove cam 77 has a shape that allows the slide suction plate 9 to advance upstream until the attachment of the label L on the slide suction plate 9 is completed in the correction section H.

[Slide suction plate suction mechanism] (Fig. 4) In order to adsorb and transfer the label L, the plate surface of the pasting part 91 has suction holes 9 similar to the fixed suction plate 8.
A hose 95 or the like is connected to the suction hole 94, and the free end of the hose 95 is exposed and guided on the bottom surface of the drum 7.

Hose 95 guided under the bottom of the pasting drum 7
A negative pressure groove 96 is provided on the bottom surface B facing the correction section H over the correction section H.

Therefore, only while passing through the correction section H, the label L can be sucked and transferred by the slide suction plate 9.

Next, a method of attaching a label will be explained.

(1) Manufacture of labels The label paper wound into a roll is pulled out and cut to the limit of the maximum width in the transport width direction of the label by the fixed blade 21 and the rotating cutter 2 to form the piece P.

Piece P is delivered to anvil drum 5.

The piece P that is adsorbed to the anvil drum 5 and transferred is cut between the convex blade of the die drum 6 and the elastic material, the waste tape is adsorbed to the anvil drum 5 and released, and the pieces P that are punched out for the front and back sides are cut. Each label L is adsorbed as it is on the anvil drum 6 and supplied to the pasting drum 7.

At this time, the fixed suction plate 8 receives a label L to be attached to the front side of the container M, and the sliding suction plate 9 receives a label L to be attached to the front side of the container M.

(2) Correction of the pasting position The interval C1 between the sets of labels L that are fed to the pasting drum 7 at a constant speed and adsorbed as described above depends on the relative circumferential speed of the die drum 6 and pasting drum 7. Then choose.

Each label L that is attracted to the peripheral surface of the pasting drum 7 and continues to be transported is pasted on the back side of the label L by a pasting roller 10 provided on the outer periphery of the pasting drum 7 midway.

(3) Attaching a label to one container The label L, which has been adsorbed to the fixed suction plate 8 after completing the gluing process, comes into contact with the front side of the container M and is immediately attached.

Immediately after this, the slide suction plate 9 that approaches the fixed suction plate 8 comes into contact with the back side of the same container M at a short distance C3 and is pasted, completing the pasting of the label L on both sides of the container M. .

(4) Attaching to the next container The distance C2 from the fixed suction plate 8 for attaching to the next container M increases by the amount that the slide suction plate 9 moves forward.

Since the interval C2 is configured to match the supply interval of the containers M on the conveyor, when the next container is supplied and approaches the pasting drum 7, it comes into contact with the label L adsorbed on the fixed suction plate 8. Immediately after this, the label L moves forward toward the fixed suction plate 8 and is adsorbed to the slide suction plate 9 maintaining the interval C3, and then the label L is pasted on the back side of the same container M.

As described above, the operation of pasting labels on both sides of the containers M that are sequentially supplied is performed continuously.

Other Examples 1 In the above example, a case was explained in which the label was manufactured by punching out one piece, but it is also possible to attach labels for the front and back that were each manufactured from one piece P. be.

Other Example 2 Another method for correcting the label pasting interval is to move the slide sucking plate 9 backward in the direction opposite to the rotational direction of the pasting drum 7 until the pasting of the label L on the slide sucking plate 9 is completed. It is also possible to do so.

In short, the distance between the last label of the previous set of labels and the first label of the following set of labels is
It suffices if they are spread and pasted according to the supply interval of each container M.

[E] Effects Since the present invention is constructed as described above, the following effects can be expected.

(1) While the labels are being sucked onto a pasting drum and being transported, the intervals between adjacent sets of labels are separated and pasted onto containers, etc.

Therefore, it is possible to modify the interval between labels depending on the interval at which the containers, etc. are transported, and it is possible to accurately and successively affix labels as the containers, etc. are transported.

(2) Waste tape does not need to be rolled up and collected as in the prior art, but after the label is punched out, it is separated from the label and disposed of.

Therefore, "pull out" to collect waste tape.
Labels can be manufactured and used economically without considering

(3) Conventional pasting techniques require multiple rolls and multiple sets of label supply devices in order to affix multiple types of labels to the same container.

According to the present invention, since a plurality of types of labels can be attached to the circumferential surface of a container using one roll and one set of label supply devices, the apparatus can be simplified.

[Brief explanation of the drawing]

Figure 1: An explanatory diagram of an embodiment of the label pasting device, Figure 2: A perspective view of the main parts of the label pasting device of the present invention, Figure 3: A longitudinal sectional view of the fixed suction plate portion of the pasting drum. , Fig. 4: Longitudinal sectional view of the slide suction plate portion of the affixing drum, Fig. 5: Partial cross-sectional view of the affixing drum during transport of labels, Fig. 6: Explanatory diagram of the prior art 1: Label affixing device , 2: Rotating cutter, 5:
Anvil drum, 6: Die drum, 7: Pasting drum, M: Container.

Claims (1)

[Scope of Claims] 1. A label pasting method for pasting a plurality of types of labels with different pasting positions on the circumferential surface of a container, comprising: The labels are sequentially delivered to the circumferential surface of an adhesive drum, which is equipped with a fixed suction plate provided on the circumference of the drum and a slide suction plate provided slidably on the circumference of the drum, and the labels are received and placed on the container. A label pasting method characterized in that the label is pasted by separating the distance between the sliding suction plate and the fixed suction plate in accordance with the supply interval of containers until the label is pasted on the container.