KR102062853B1 - Automatic label sticking equipment - Google Patents

Abstract

The present invention relates to an automatic label attaching device. The automatic label attaching device includes: a label transfer unit for transferring a label peeled from a carrier tape in a predetermined direction; a label lifting unit for separating a predetermined label from the label transfer unit and raising the label; and a label adsorption unit which is disposed on the label lifting unit and adsorbs the label separated from the label lifting unit using a vacuum. A label can be accurately attached to a product by forcibly separating the label from the label transfer unit through the label lifting unit, lifting the label to the label adsorption unit and adsorbing the label, and blowing high pressure air to separate the label from the label lifting unit.

Description

Automatic label sticking equipment

The present invention relates to a label automatic attachment device that separates the wound label to be automatically attached to the desired article.

Korean Laid-Open Patent Publication No. 10-2002-0004591 discloses a label automatic attachment device for automatically attaching a label to an article.

The label auto-attachment device disclosed in Korean Laid-Open Patent Publication No. 10-2002-0004591 and the previously used label auto-attachment device separate the labels wound on the label supply unit one by one through the label peeling unit, and then the high pressure air is released from the air blow unit. Is sprayed, a vacuum is applied at the vacuum adsorption section and the label is lifted toward the vacuum adsorption section and adsorbed. The label adsorbed on the vacuum suction plate is attached to the article stopped at a predetermined position through the actuator.

In the existing label automatic attaching device, the goods move along the conveyor belt, and when the goods stop at a predetermined position, the label adsorbed on the vacuum suction plate is attached to the goods.

The label attached to the adsorption plate in the existing label auto-adhesion device is adsorbed to the adsorption plate while being bent in a '∩' shape. There was a problem that could not be properly label the article fall on the.

Republic of Korea Patent Publication No. 10-2002-0004591 (published January 16, 2002)

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problem and to allow a curved label to be adsorbed onto a label adsorption unit without falling in the middle.

In addition, another object of the present invention is to properly separate the label from the conveyor belt, so that the label is properly attached to the desired article.

In addition, another object of the present invention is to ensure that after the label is adsorbed on the adsorption plate, when the air cylinder descends, the label does not lower like a sawtooth-shaped protrusion disposed on the air cylinder, but is properly attached to a desired article.

A label supply unit for supplying a carrier tape comprising a plurality of labels cut in a predetermined unit and a first surface in contact with the adhesive of the label, receiving the carrier tape from the label supply unit, the label from the first side of the carrier tape Detach one by one to separate the label in a state in which the adhesive is applied to the lower surface of the label separating portion, the label is separated from the label to the adhesive is applied to the lower surface of the label, the lower surface of the label through the adhesive of the label A label conveying unit for transferring the label to the first position in an attached state, a label lifting unit capable of lifting up and down at the first position, and being disposed on an upper surface of the label lifting unit, and ascending and descending according to lifting up and down of the label lifting unit, The upper portion includes a protruding tooth-shaped protrusion, and is moved to the first position according to the elevation of the label lifting portion. An air blow unit attaching a bell to the protrusion to separate from the label conveying unit, and raising the separated label to the second position; when the label is raised to the second position, detaching the label from the air blow unit And a label adsorption unit for adsorption.
In addition, the label lifting unit may include an air supply for lifting up and down the label lifting portion through the air cylinder that can be lowered and a predetermined air inlet hole.
The air blower unit may further include a plurality of air holes that allow air to flow in and out, and when the label lifting unit descends, high pressure air may be injected from the air holes.

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The present invention has the advantage that the label is properly attached to the desired article by raising the label through the air cylinder to shorten the distance between the label and the label adsorption unit so that the label is adsorbed to the label adsorption unit without falling in the middle.

In addition, the present invention has an advantage in that the cross section of the air blow unit is serrated, so that when the label is adsorbed by the label adsorption unit, the label is easily detached from the air blow unit to be adsorbed on the label adsorption unit, thereby properly attaching the lie to a desired article. .

In addition, the present invention is to ensure that the label is adhered to the desired article without being lowered along the air cylinder by spraying high pressure air toward the adsorption plate in the air blow unit after the label is adsorbed on the adsorption plate.

1 is a front view of the automatic label attaching device showing a state that the label is transported in place according to an embodiment of the present invention,
Figure 2 is a plan view of the automatic label attaching device showing a state before the label is attached to the upper surface of the projection according to an embodiment of the present invention,
3 is a plan view of the automatic label attaching device in a state that the label is attached to the upper surface of the projection according to an embodiment of the present invention,
Figure 4 is a front view of the automatic label attachment device showing a state that the label is forcibly separated from the conveyor belt according to an embodiment of the present invention,
Figure 5 is a front view of the automatic label attachment device showing a state that the label is forcibly separated from the conveyor belt is lifted toward the vacuum suction unit according to an embodiment of the present invention,
6 is a front view of the automatic label attaching device showing a state in which the high-pressure air is injected from the air blow unit while the air cylinder is lowered according to an embodiment of the present invention,
7 is a front view of the automatic label attaching device showing a state in which a label is adsorbed on the label adsorption unit attached to the article according to an embodiment of the present invention.

As the present invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

no. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention. In the following description of the present invention, the same reference numerals are used for the same elements in the drawings and redundant descriptions of the same elements will be omitted.

Automatic label attachment device 100 of the present invention is a label supply unit 10, label peeling unit 20, label transfer unit 30, sensing unit (not shown), label lifting unit 50, label adsorption unit 60 It may include an actuator 70.

<Label supply unit 10>

The label supply unit 10 may include a rotatable roller 11 on which a carrier tape T on which a label L is attached is wound, and a roller driving device (not shown) for driving the roller 11. One surface of the carrier tape T is in contact with the adhesive of the label L cut in a predetermined unit. The label L wound on the label supply section 10 is wound around a roller 11 in which a plurality of labels L, which are lightly cut at predetermined intervals, are rolled like a band. The roller 11 rotates by the predetermined driving means, and the carrier tape T to which the label L is attached is released, and the label L is conveyed toward the label peeling part 20.

<Label peeling part 20>

The label peeling part 20 is formed obliquely with respect to the traveling direction of the carrier tape T so that the label L is peeled one by one from the carrier tape T. The label peeling unit 20 separates the plurality of labels L wound on the carrier tape T one by one and transfers the labels L to the label transfer unit 30 in a state where an adhesive is applied to the bottom surface of the label L. At this time, the label L delivered to the label conveying part 30 is separated in the wound state as the label L to be wound decreases, and is bent to be flat rather than flat.

<Label transfer unit 30>

The label transfer unit 30 transfers the label L in a predetermined direction by the rotation of the motor. One label (L) is disposed in the label conveying unit 30 at a predetermined interval and conveyed.

The label transfer part 30 may include a plurality of conveyor belts 31. The conveyor belt 31 is driven in a predetermined direction by the drive of the conveyor drive device 32.

The label L is disposed on the upper surface of the plurality of conveyor belts 31 and is conveyed in a predetermined direction. The lower surface of the label (L) to which the adhesive is applied is transferred to a predetermined position in contact with the upper surface of the conveyor belt (31).

Referring to FIG. 2, according to an embodiment of the present invention, the label conveying unit 30 may include a first conveyor belt 31a, a second conveyor belt 31b, and a third conveyor belt 31c. .

Referring to FIG. 3, the label L may be disposed on the upper surfaces of the three conveyor belts 31a to 31c and may be transferred in a predetermined direction. Referring to FIG. 1, the label L is transferred from right to left.

<Sensing department>

When the label L reaches a predetermined position, the sensing unit according to an embodiment of the present invention senses the label L and transmits the position information of the label L to the controller (not shown). Preferably, the sensing unit may include an optical sensor to detect the position of the label (L).

The sensing unit transmits the position information of the label L to the controller (not shown) when the label L reaches the correct position, or the position information of the label L in advance before the label L reaches the correct position. May be transmitted to a controller (not shown). Preferably, the sensing unit transmits the position information of the label L to a controller (not shown) before the label L reaches the correct position, so that the label takes as long as the driving time of the conveyor and the roller 11 is stopped. (L) can be prevented from moving out of position.

<Label lifting part 50>

The label lifting unit 50 may include an air supply unit 51 and an air cylinder 52.

The label lifting unit 50 is disposed below the label adsorption unit 60 and faces the label adsorption unit 60.

The air supply unit 51 drives a solenoid valve (not shown) so that the high pressure air flows into the first air inlet hole of the air cylinder 52 so that the air cylinder 52 is raised.

In addition, the air supply unit 51 may drive a solenoid valve (not shown) to introduce high pressure air into the second air inlet hole of the air cylinder 52 so that the air cylinder 52 may be lowered.

<Air blow unit 53>

The air blow unit 53 may include a horizontal surface 53a having a plurality of air holes 53c through which air can flow in and out, and a plurality of protrusions 53b1 to 53b6 protruding from the horizontal surface 53a.

The lower surface of the air blow unit 53 is in contact with the upper surface of the air cylinder 52. When the air cylinder 52 is raised, the air blow unit 53 disposed thereon also rises. As the air blow unit 53 is raised, the label L attached to the conveyor belt 31 is attached to the upper surface of the air blow unit 53 and is forcibly separated from the conveyor belt 31.

As the air cylinder 52 is raised, the label L separated from the conveyor belt 31 rises together toward the vacuum adsorption unit while being attached to the upper surface of the air blow oil unit 53.

Since the label L of the present invention is coated with an adhesive on the lower surface thereof, the label L may be stuck without falling from the air blow unit 53 while the air blow unit 53 is elevated.

However, when the contact force between the label L and the protrusions 53b1 to 53b6 is large, the label L may not be properly separated from the protrusions 53b1 to 53b6 while the label L is attracted to the label adsorption part 60. As a result, the label L is not adsorbed on the label adsorption unit 60, but is continuously attached to the protrusions 53b1 to 53b6.

In order to solve this problem, the protrusions 53b1 to 53b6 are formed in a sharp sawtooth shape in which the cross section becomes narrower toward the upper side, so that the label L is lifted toward the label adsorption unit 60 while the air blow unit ( In the process of being adsorbed to the label adsorption unit 60 without falling off from 53), it is easily separated from the air blow oil unit 53 so as to be easily adsorbed to the label adsorption unit 60.

The protrusions 53b1 to 53b6 may include a first surface and a second surface. The first surface may be formed perpendicular to the horizontal surface 53a, and the second surface may be formed obliquely with the horizontal surface 53a to have a sharp sawtooth shape to meet the first surface.

In addition, the protrusions 53b1 to 53b6 may be formed side by side in the longitudinal direction of the conveyor belt 31. At least two protrusions 53b1 to 53b6 may be formed, and the conveyor belts 31a to 31c may be disposed between the protrusions and the protrusions.

Referring to FIG. 2, according to an embodiment of the present disclosure, the air blow unit 53 may include first to sixth protrusions 53b1 to 53b6. The first protrusion 53b1 is formed to be disposed away from the first conveyor belt 31a in the first direction by a first distance, and the sixth protrusion 53b6 is disposed in the third conveyor belt 31c in the first direction. It may be formed to be disposed at a distance apart from the second direction in the second direction opposite. For example, the first protrusion 53b1 may be disposed on the left side of the first conveyor belt 31a and the sixth protrusion 53b6 may be disposed on the right side of the third conveyor belt 31c.

The second protrusion 53b2 and the third protrusion 53b3 are formed to be disposed between the first conveyor belt 31a and the second conveyor belt 31b, and the fourth protrusion 53b4 and the fifth protrusion 53b5 are It may be formed to be disposed between the second conveyor belt 31b and the third conveyor belt 31c.

The protrusions 53b1 to 53b6 of the present invention are formed to be disposed between the conveyor belt 31 and the conveyor belt 31 or to be disposed outside the conveyor belt 31 to convey the label L when the air cylinder 52 is raised. The belt 31 may be separated from the belt 31 and lifted toward the label adsorption part 60.

In addition, the length of one surface of the label L may be longer than the distance between the protrusions 53b1 to 53b6 and the protrusions 53b1 to 53b6. For example, the length of the label L in the horizontal direction is longer than the distance between the first protrusion 53b1 and the second protrusion 53b2, and is attached to the top surfaces of the first protrusion 53b1 and the second protrusion 53b2. Can be elevated. Alternatively, the length of the label L in the horizontal direction is longer than the distance between the first protrusion 53b1 and the sixth protrusion 53b6, and is attached to the upper surface of the first to sixth protrusions 53b1 to 53b6 to lift. Can be. Alternatively, the second protrusion 53b2 may be longer than the distance between the fifth protrusion 53b5 and attached to the upper surface of the second to fifth protrusions 53b2 to 53b5.

A plurality of air holes 53c may be formed in the horizontal plane 53a of the air blow unit 53. In the plurality of air holes 53c, high pressure air may be injected toward the vacuum adsorption unit 60.

After the label L is adsorbed to the label adsorption unit 60, the air cylinder 52 is lowered and the air blow unit 53 is also lowered together. In this case, when the air cylinder 52 is lowered, the air blow unit 53 descends along the air cylinder 52 at the same time the high pressure air is injected through the air hole 53c. Through this process, the label L adsorbed to the label adsorption unit 60 may be kept in the adsorbed state without falling into the air blow 53 unit.

<Label adsorption part 60>

Label adsorption unit 60 according to an embodiment of the present invention may be formed on the lower surface of the actuator (70). The actuator 70 absorbs the label L through the label adsorption unit 60, and then moves the label adsorption unit 60 through the actuator 70 to label the portion L of the label G of the desired article G. ) Is attached.

Vacuum is injected into the label adsorption unit 60 to adsorb the label L separated from the air blow unit 53.

<Auto Labeling Process>

The roller 11 is rotated by a predetermined driving means to release the carrier tape T wound around the label supply part 10, and the label L is conveyed toward the label peeling part 20.

The label peeling unit 20 separates the plurality of labels L wound on the carrier tape T one by one and transfers the labels L to the label transfer unit 30 in a state where an adhesive is applied to the bottom surface of the label L. FIG.

The conveyor belt 31 included in the label transfer unit 30 transfers the label L in a predetermined direction by the rotation of the motor. The plurality of labels L is disposed on the conveyor belt 31 at regular intervals and then transferred to a predetermined position. At this time, the lower surface of the label (L) is transported while being attached to the conveyor belt 31 because the adhesive is applied.

When the label L is transferred to a predetermined position, the air supply unit 51 injects high pressure air into the first air inlet hole to raise the air cylinder 52. In this case, an air blow unit 53 is disposed on an upper surface of the air cylinder 52, and a bottom surface of the air blow unit 53 contacts the upper surface of the air cylinder 52.

When the air cylinder 52 is raised, the air blow unit 53 disposed thereon also rises. As the air blow unit 53 is raised, the label L attached to the conveyor belt 31 is attached to the upper surface of the air blow unit 53 and is forcibly separated from the conveyor belt 31.

An air blow unit 53 is disposed on an upper surface of the air cylinder 52, and the label L is attached to an upper surface of the protrusions 53b1 to 53b6 protruding in a sawtooth shape formed on the air blow unit 53. As a result, when the air cylinder 52 is raised, the air blow unit 53 disposed on the upper surface of the air cylinder is also raised, and the label L is formed on the protrusions 53b1 to 53b6 formed on the upper surface of the air blow unit 53. Is attached. Even after the label L is attached to the protrusions 53b1 to 53b6, the air cylinder 52 keeps rising. Accordingly, the label L is raised together with the protrusions 53b1 to 53b6 attached thereto, and as a result, the label L is forcibly separated from the conveyor belt 31.

Even after the label L is forcibly separated from the conveyor belt 31, the air cylinder 52 continues to rise to a predetermined position. As a result, the label L separated from the conveyor belt 31 also continuously rises to a predetermined position in a state in which it is attached to the protrusions 53b1 to 53b6 to be closer to the vacuum suction unit 60.

While the label L is raised toward the vacuum suction unit 60, the label L is attached to the upper surface of the protrusions 53b1 to 53b6 protruding in the sawtooth shape formed on the air blow unit 53, and does not fall off. Is raised to position.

When the label L is raised to a predetermined position, the vacuum is applied by the vacuum adsorption unit 60, and the label L is separated from the air blow unit 53 and adsorbed toward the vacuum adsorption unit 60. The label labeling device of the present invention is lifted toward the vacuum adsorption unit 60, and the label L is sucked to the vacuum adsorption unit 60 while the vacuum is applied to the label L thus raised. Adsorption force applied to the label (L) is strong, there is an advantage that does not fall while the label (L) is adsorbed.

High pressure air is injected from the air hole 53c included in the air blow unit 53 at the same time as the vacuum is caught in the vacuum adsorption unit 60 or 0.01 to 5 seconds, and at the same time, the air cylinder 52 Descend to the bottom.

While the air cylinder 52 descends downward, the air blow unit 53 disposed thereon also descends. At this time, the label L was attached to the upper surface of the serrated protrusions 53b1 to 53b6 rather than flat, and the high pressure air was injected from the air blow unit 53 while the vacuum was applied, so that the label L was air cylinder 52. Even if it is lowered, it is adsorbed by the vacuum adsorption unit 60 without being attached to the protrusions 53b1 to 53b6.

An embodiment of the present invention described above and illustrated in the drawings should not be construed as limiting the technical idea of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention as long as it will be apparent to those skilled in the art.

Claims (3)

A label supply unit supplying a carrier tape including a plurality of labels cut in a predetermined unit and a first surface in contact with the adhesive of the label;
A label separation unit receiving the carrier tape from the label supply unit, separating the labels one by one from the first surface of the carrier tape, and separating the labels with adhesive applied to the bottom surface of the label;
A label conveying unit which receives a label coated with an adhesive from a lower surface of the label separating unit and transfers the label to a first position with the lower surface of the label attached through the adhesive of the label;
A label lifting unit capable of lifting up and down at the first position;
A label disposed on an upper surface of the label lifting unit and capable of lifting up and down according to lifting up and down of the label lifting unit, including a protruding protrusion having an upper portion protruding therefrom, and moving the label to the first position according to lifting up and down of the label lifting unit An air blow unit attached to the protrusion to separate the label from the label transfer unit and to raise the separated label to a second position;
And a label adsorption unit for detaching and adsorbing the label from the air blow unit when the label is raised to the second position. The method of claim 1,
The label elevating unit includes an air supply unit for elevating the label elevating unit through an air cylinder capable of elevating and a predetermined air inlet hole. The air blow unit of claim 2, wherein the air blow unit is
And a plurality of air holes capable of air inflow and out, and when the label lifting unit descends, high pressure air is injected from the air holes.

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