JP4307645B2 - Labeling device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a label sticking device, and more particularly, to a label sticking device that sequentially sticks labels to these articles while conveying the articles to which the labels are stuck by a conveyor.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as this type of label affixing device, one having a structure shown in FIGS. 6 and 7 is known.
The label applicator shown in these drawings has a predetermined interval (slightly larger than the width of the article 1) above the conveyor 2, and the conveyor 2 that sequentially conveys the articles 1 by sequentially feeding the articles 1. A pair of guide members 3 arranged parallel to each other and guiding the both side portions of the article 1 to be conveyed and controlling the posture thereof, and in the vicinity of the downstream end portions of these guide members 3, A label applicator 5 is provided above the transport conveyor 2 and applies the label 4 to the article 1 whose posture is adjusted by the guide member 3.
[0003]
In addition, a pasting sensor 6 that detects the article 1 sent out from the guide member 3 and outputs a label pasting signal is provided in the vicinity of the downstream side of the guide member 3.
[0004]
And this label sticking apparatus supplies the articles | goods 1 to the conveyance conveyor 2 from the edge part of the upstream side sequentially, and conveys it toward the downstream side with this conveyance conveyor 2, The said article | item 1 in the middle Is guided between the two guide members 3 so that the both sides of the article 1 are guided by the two guide members 3.
The article 1 whose posture is controlled in this way is sent out from the guide member 3, and the article 1 is detected by the sticking sensor 6, and a label sticking signal is output. Based on this label sticking signal, the label sticker 5 is actuated so that the label 4 is affixed to the article 1.
[0005]
[Problems to be solved by the invention]
By the way, in such a conventional label sticking apparatus, the following problems to be improved remain.
[0006]
That is, when the planar shape of the article 1 is a rectangular shape and both side portions that are in contact with the guide member 3 and perform posture control are parallel surfaces, the length direction of the article 1 and the guide member 3 are parallel to each other. As a result, posture control is reliably performed.
However, as shown in FIG. 7, if the shape of both side parts used for posture control of the article 1 is a curved surface, the article 1 is in a state of being inclined with respect to the transport direction as shown in FIG. 7. When conveyed between the guide members 3, the article 1 is allowed to pass between the guide members 3 in an inclined state, which causes a problem that posture control is not successful.
[0007]
If the posture control of the article 1 is disturbed in this way, the label 4 attached to the article 1 is distorted and attached, resulting in a problem that the appearance is deteriorated.
[0008]
The present invention has been made in view of the above-described conventional problems, and even when the shape of both side portions for controlling the posture of the article is a curved shape, the label that can reliably control the posture of the article. An object is to provide a sticking device.
[0009]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the label sticking device according to claim 1 of the present invention supplies and conveys an article having both sides in the conveying direction curved to the conveying conveyor, and this conveying conveyor. A label sticking device that feeds the article to a label sticking part while controlling the posture of the article by guiding both sides of the article by a pair of parallel guide members disposed in parallel above the article. In the middle of the length direction of the guide member, the front side portions of the article to be conveyed are provided so as to be able to advance and retreat between the guide members and protrude between the guide members. A pair of stoppers that are in contact with each other, and a contact surface of each of the stoppers with the article is curved so as to follow the curved shape of the article. .
A label sticking device according to claim 2 of the present invention is a stopper sensor that detects the passage of the article on the upstream side of the stopper according to claim 1 and causes the stoppers to protrude between guide members. Is provided.
Furthermore, in the label sticking device according to claim 3 of the present invention, the stopper according to claim 2 is retracted from between the guide members after a predetermined time has elapsed since the article was detected by the stopper sensor. The conveyance of the article is resumed.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
First, a schematic configuration of the present embodiment will be described with reference to FIG.
In the label sticking device according to the present embodiment, the articles 10 are sequentially fed, and the conveyor 10 that sequentially conveys the articles 10 is disposed in parallel above the conveyor 11 at a predetermined interval. A pair of guide members 12, a label applicator 14 that is provided above the vicinity of the downstream end portions of these guide members 12, and attaches the label 13 to the article 10, and the downstream end portion of the guide member 12 And a sticking sensor 15 for detecting the article 10 sent out from these guide members 12 and generating a sticking signal for operating the label sticking device 14. And as for the said article | item 10, the shape of the both sides is made into the curved shape.
[0011]
The label applicator 14 is provided above a vicinity of the supply roll 17 around which a strip-shaped mount 16 temporarily attached at a predetermined interval is wound, and the adhering sensor 15. By turning back the belt-like mount 16, a peeling member 18 that peels the label 13 from the belt-like mount 16, a take-up roll 19 that winds the belt-like mount 16 from which the label 13 has been peeled off by the peeling member 18, and the peeling member 18 Are provided on the upstream side of the take-up roll 19, and a plurality of guide rollers 20 that form a transport path for the strip-shaped mount 16 between the take-up roll 19 and the supply roll 17 and between the peeling member 18 and the take-up roll 19. The belt-like mount 16 is composed of a rubber roller and a nip roller, and is temporarily attached to the belt-like mount 16. And a label sensor 22 which forms a detection label 13 which is constituted by. Further, the label applicator 14 includes an attaching roller 27 that presses the label 13 that is peeled off by the peeling member 18 and attached to the article 10 while being conveyed.
[0012]
And the structural member of the characteristic part of this embodiment is provided in the intermediate part of the length direction of the said guide member 12. As shown in FIG.
That is, at the intermediate portion in the longitudinal direction of the both guide members 12, a stopper 23 that can advance and retreat with respect to the gap between the guide members 12 from the gap between the lower portion of each guide member 12 and the upper portion of the transport conveyor 11. (See FIG. 3).
Each of these stoppers 23 is attached to an actuator 25 such as an air cylinder fixed to each of the guide members 12 via a bracket 24, and the actuator 25 has a position protruding into the gap between the two guide members 12. In addition, it can be selectively positioned at two positions, that is, a position retracted from the gap.
Further, the front end surface of each stopper 23 is a regulating surface 23a that is curved along a curved surface formed at the front portion in the conveying direction on both sides of the article 10, and each stopper 23 is formed by both guides. In the state of protruding in the gap between the members 12, the front portions on both sides of the article 10 in the middle of conveyance are brought into substantially surface contact.
[0013]
On the other hand, on the upstream side of the stopper 23, a stopper sensor 26 for detecting the article 10 brought into contact with the stopper 23 is provided.
[0014]
In this embodiment, each of the stoppers 23 is positioned at the protruding position when the article 10 is detected by the stopper sensor 26, and is positioned at the retracted position after a predetermined time has elapsed. Conveyance is allowed.
Such control is performed by a control unit (not shown) together with the operation control of the label applicator 14 by the application sensor 15.
[0015]
Next, the operation of the label sticking apparatus according to this embodiment configured as described above will be described with reference to the flowchart shown in FIG.
[0016]
When the conveying conveyor 11 is activated by the activation of the apparatus and the articles 10 are sequentially fed onto the conveying conveyor 11, the articles 10 are moved by the conveying conveyor 11 to both guide members 12 as shown in FIGS. Sent in between.
At this time, since both actuators 25 are turned off, both stoppers 23 are positioned in the retracted position.
[0017]
When the apparatus is thus activated, it is determined whether or not the stopper sensor 26 is turned on in step S1, and the process proceeds to the next step S2 on condition that the stopper sensor 26 is turned on.
The stopper sensor 26 is turned on when the article 10 is detected by the stopper sensor 26 as shown in FIG.
[0018]
As described above, when the article 10 is detected by the stopper sensor 26, both actuators (cylinders) 25 are turned on in step S2, and then the process proceeds to step S3 and the timer starts counting, and then the process proceeds to step S4. In transition, the operating time of both actuators 25 is measured.
As a result of such processing, both stoppers 23 are projected into the gap between the two guide members 12 as shown in FIG. 3 and held at this protruding position for a predetermined time, but the article 10 continues during this time. As shown in FIG. 4, the tips of both side portions of the article 10 are brought into surface contact with the restricting surfaces 23 a of the stoppers 23 in the protruding state. The attitude is controlled.
[0019]
If both stoppers 23 are held at the protruding position for a predetermined time by the processing in step S4, the actuator 25 is turned off in the next step S5, so that both stoppers 23 are positioned to the retracted position and the posture control is performed. Conveyance of the finished article 10 is resumed.
[0020]
When the conveyance of the article 10 is resumed in this way, the article 10 is detected by the sticking sensor 15, and it is determined whether or not the article 10 has been detected by the sticking sensor 15 in step S6. On the condition that the label is applied, a label application signal is sent to the label applicator 14, the label 13 is applied to the article 10, and the label 13 is pressed by the application roller 27 (step S7). The pasting process is completed.
[0021]
As described above, according to the label sticking device according to the present embodiment, the posture of the article 10 is forcibly corrected during the conveyance even in the article 10 having both sides curved by the action of the stopper 23. By performing reliable posture control, the label 13 to be affixed in the subsequent stage can be affixed with high accuracy to ensure the appearance.
[0022]
Note that the shapes, dimensions, and the like of the constituent members shown in the above embodiment are merely examples, and various changes can be made based on design requirements and the like.
[0023]
【The invention's effect】
Since the present invention is configured as described above, the posture of the article is forcibly corrected in the middle of the conveyance even when the article has a curved shape on both sides by the action of the stopper, and reliable attitude control is performed. This makes it possible to ensure that the label attached in the subsequent stage is applied with high accuracy and the appearance is secured.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
FIG. 2, showing an embodiment of the present invention, is a plan view of a main part showing an initial startup state.
FIG. 3, showing an embodiment of the present invention, is a plan view of a main part showing a state when an article is detected by a stopper sensor.
FIG. 4, showing an embodiment of the present invention, is a plan view of a main part showing a state in which the posture of an article is controlled by a stopper.
FIG. 5 is a flowchart for explaining the operation of an embodiment of the present invention.
FIG. 6 is a schematic configuration diagram showing a conventional example.
FIG. 7 is a plan view of a main part for explaining the posture control action of an article in a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Goods 2 Conveyor 3 Guide member 4 Label 5 Label sticker 6 Sticking sensor 10 Goods 11 Transport conveyor 12 Guide member 13 Label 14 Label sticker 15 Sticking sensor 16 Strip board 17 Supply roll 18 Peeling member 19 Winding roll 20 Guide roller 21 Mount tension mechanism 22 Label sensor 23 Stopper 23a Restricting surface 24 Bracket 25 Actuator 26 Stopper sensor
27 sticking roller

Claims (3)

An article having both sides in the conveyance direction curved is supplied and conveyed onto a conveyor, and the both sides of the article are guided by a pair of parallel guide members arranged in parallel above the conveyor. By doing so, it is a label sticking device which sends the article to a label sticking part which performs roller sticking while controlling the posture thereof, and is between these guide members in the middle of the length direction of the guide member. A pair of stoppers that are provided so as to be capable of advancing and retreating and projecting between the guide members and in which both front sides of the article to be conveyed are brought into contact are provided. A label affixing device, wherein a contact surface with an article is curved so as to follow a curved shape of the article. The label sticking device according to claim 1, further comprising a stopper sensor that detects the passage of the article and projects the stoppers between the guide members on the upstream side of the stopper. 3. The stopper is retracted from between the guide members after a lapse of a predetermined time from the time when the article is detected by the stopper sensor, and the conveyance of the article is resumed. A labeling device according to claim 1.

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