JP4448689B2 - Labeling device - Google Patents

Description

  The present invention relates to a label affixing device that affixes a label to an article conveyed by a conveyor, and more particularly to a label affixing apparatus that affixes a label to a plurality of surfaces of an article.

  Conventionally, as shown in FIG. 8, for example, when a rectangular parallelepiped article W such as a cardboard box is conveyed by a conveyor C and labels L are attached to a plurality of surfaces of the article W in this conveyance process, At the upstream side of the conveyor C, the first label sticking device Sa attaches a label L to one surface Wa along the conveyance direction R of the article W, and then, at the end of the conveyor C, the second label sticking device Sb The label L is affixed to another front surface Wb in the conveyance direction R different from the one surface Wa of the article W, and then the cylinder device 100 pushes the article W in the direction Q perpendicular to the conveyance direction R and moves to another conveyor Ca. To change direction.

  The first and second label sticking devices Sa and Sb are moved forward and backward by a label supply unit (not shown), the suction plate 101 that sucks the label L supplied from the label supply unit, and the suction plate 101. A label attaching unit 103 having an adsorption plate driving mechanism 102 for adhering the label L adsorbed by the adsorption plate 101 to the article W by bringing the adsorption plate 101 into contact with the article W is configured.

  As described above, as a technique for applying the label L to the plurality of surfaces of the article W in the process of being conveyed by the conveyor C using the two label applying apparatuses Sa and Sb, the label L is applied to the upper surface and the lower surface of the article W. Although it is a technique, it is published in patent document 1 (Unexamined-Japanese-Patent No. 2001-122234), for example.

JP 2001-122234 A

  By the way, in the conventional technique which sticks the label L to the multiple surfaces of the article W as described above, the label sticking devices Sa and Sb must be installed for each of the faces Wa and Wb of the article W to which the label L is stuck. In particular, since each label attaching device Sa, Sb is provided with a label supply unit and a label attaching unit 103 individually for each device, the entire label attaching system is complicated accordingly, and the system construction cost is accordingly increased. There was also a problem of becoming higher. In addition, a layout is required such that the article W is pushed out in a direction Q orthogonal to the conveyance direction R and transferred to another conveyor Ca to change the direction, and the cylinder device 100 and another conveyor Ca are arranged at right angles. In this respect, the system becomes complicated and the cost becomes high.

  The present invention has been made in view of the above-mentioned problems, and allows one label supply unit and label affixing unit to affix labels to a plurality of surfaces of an article, simplifying the entire system of label affixing, An object of the present invention is to provide a labeling device that can reduce the construction cost.

In order to solve the above-mentioned problems, a label sticking device of the present invention includes a suction plate for sucking a label supplied from a label supply unit, and a suction for sticking the suction plate to the article by moving the suction plate forward and backward. A label sticking apparatus comprising a label sticking unit having a plate driving mechanism, and sticking a label to an article conveyed in a predetermined transport direction by a conveyor and stopped at a predetermined position. only set a moving mechanism for moving the one surface to another surface pasting position capable sticking a label to different separate plane from the one surface attachment position and said one surface capable of adhering a label of the article, the moving mechanism, a side of the conveyor The machine is provided on the machine, and the label sticking part is supported, the suction plate of the label sticking part is opposed to one surface of the article at the one face sticking position, and the article at the different face sticking position. A turntable that rotationally drives the label sticking portion so that the suction plate of the label sticking portion faces the surface, a first base that supports the turntable, a second base that supports the first base, and the first The base is supported so as to be movable back and forth in the direction perpendicular to the conveying direction of the article with respect to the second base, and the label sticking portion is positioned at a different surface sticking position on the conveying path of the article when advancing, and the conveyor is retracted. A first base drive mechanism positioned at a side retreat position, and the second base supported so as to be able to move back and forth in the article transport direction with respect to the machine base, and the label affixing portion at a predetermined back and forth position. And a second base drive mechanism that is located at the one-surface pasting position.
In this label affixing, a single label supply unit and a label affixing unit can affix a label to a plurality of surfaces of an article. Since there is no need to provide a moving mechanism, the entire labeling system is simplified and the construction cost is reduced accordingly. In addition, the turntable, the first base drive mechanism, and the second base drive mechanism can reliably move the label sticking part to the one face sticking position and the other face sticking position, and the label sticking part can be reliably positioned. it can.

  Furthermore, if necessary, the label supply unit is provided on the machine base so that the label supply unit can be supplied to the suction plate of the label supply unit at the one-side sticking position. Since the label is supplied at the one-side application position, the label can be adsorbed to the suction plate in advance before the label application part moves to the other-side application position, and can be fixed without moving the label supply part. The system is simplified and its construction cost is reduced.

  According to the label affixing device of the present invention, in label affixing, labels can be affixed to a plurality of surfaces of an article with a single label supply unit and a label affixing unit. Since it is not necessary to install a supply part and a label sticking part and only a moving mechanism is required, the entire label sticking system can be simplified and the construction cost can be greatly reduced. Can do.

Hereinafter, based on an accompanying drawing, a label sticking device concerning an embodiment of the invention is explained in detail.
As shown in FIGS. 1 to 7, the label sticking device S according to the embodiment of the present invention is applied to an article W that is transported along a predetermined transport direction R by a conveyor C and stopped at a predetermined position. The label L is pasted. In the embodiment, the article W is a rectangular parallelepiped article W such as a cardboard box, and a label L is attached to one surface Wa and another surface Wb adjacent to the one surface Wa. In this article W, one surface Wa to which the label L is attached faces the side of the conveyor C along the conveyance direction R, and another surface Wb to which the label L is attached is along the direction Q perpendicular to the conveyance direction R. It is placed on the conveyor C so as to be positioned on the front side of R and conveyed.

  The basic configuration of the label sticking apparatus S according to the embodiment of the present invention is transported by a machine base 1 installed on the side of the conveyor C, a label supply unit 10 provided on the machine base 1, and the conveyor C. A label affixing unit 20 for affixing a label L supplied from the label supply unit 10 to the article W to be made, and a label L affixing the label affixing unit 20 on one surface Wa of the article W and another surface Wb different from the one surface Wa And a moving mechanism 30 that moves as much as possible.

  As shown in FIGS. 1 and 2, the label supply unit 10 is provided on the machine base 1 so that the label L can be supplied to the suction plate 21 at a later-described one-surface application position Ta of the label application unit 20. The roll 11 around which the mount 12 on which the label L is temporarily attached is wound is supported rotatably, and the mount 12 is sent out. The mount 12 sent out from the label supply unit 10 is transported by the label transport mechanism 13. In the label transport mechanism 13, the mount 12 is transported by a plurality of feed rollers, folded back by a peeling roller (not shown), and the label L is peeled off. Then, only the mount 12 is wound on a reel (not shown). In addition, the label supply unit 10 is provided with a printing mechanism 14 that performs required printing on the label L in the process of transporting the mount 12.

The label affixing unit 20 adsorbs the label L supplied from the label supply unit 10, and the adsorbing plate 21 is moved forward and backward to bring the adsorbing plate 21 into contact with the article W during advancement and adsorb the adsorbing plate 21. And a suction plate driving mechanism 22 for attaching the label L to the article W. The suction plate 21 sucks the label L that is temporarily attached to the mount 12 at a predetermined suction position at the time of retraction, is folded back by the peeling roller, and is peeled off, and sticks the label L to the article W at the predetermined sticking position at the time of advancement. . The suction plate 21 is provided with a plurality of small holes (not shown) for sucking air for sucking the surface of the label L. The suction plate 21 is supported so as to be able to move back and forth with respect to the support 24 via a coil spring 23 that is always urged to the forward movement position.
Further, the suction plate drive mechanism 22 includes an air cylinder device 25 that moves the suction plate 21 via the support 24 so that the suction plate 21 is positioned at the suction position when retracted and is positioned at the sticking position when advanced. The air cylinder device 25 includes a piston 25a and a cylinder 25b to which the support 24 is attached.

  The moving mechanism 30 moves the label pasting unit 20 to one side pasting position Ta where the label L can be pasted on one side Wa of the article W and another side pasting position Tb where the label L can be pasted onto the other side Wb. As shown in FIGS. 1 and 4, the one-surface sticking position Ta is set to a side position of the conveyor C in which the suction plate 21 of the label sticking unit 20 can move back and forth in a direction Q orthogonal to the conveyance direction R of the article W. As shown in FIGS. 2 and 7, the another surface sticking position Tb is on the transport path of the article W and the suction plate 21 of the label sticking portion 20 can move back and forth in the direction along the transport direction R of the article W. It is set at the front position of the article W.

  Specifically, the moving mechanism 30 supports the above-described machine base 1 provided on the side of the conveyor C and the air cylinder device 25 of the label sticking unit 20, and the label sticking unit 20 on the one surface Wa of the article W at one surface sticking position Ta. A turntable 31 that rotates and drives the label sticking portion 20 so that the suction plate 21 of the label sticking portion 20 faces the other surface Wb of the article W at another surface sticking position Tb. A first base 40 that supports the first base 40 and a second base 41 that supports the first base 40 are provided.

  As shown in FIG. 3, the turntable 31 includes a table 32 to which the label affixing unit 20 is attached, a rotary shaft 35 that is suspended from the table 32 and is rotatably supported by a main body 33 via a bearing 34, and a main body 33. And a pair of cylinders 37 whose axial lines are parallel to each other, and a piston 39 having a rack 38 that can be moved forward and backward in each cylinder 37 and meshes with the pinion gears 36. By alternately supplying air into the cylinders 37 from the air ports 37a of the cylinders 37, the pistons 39 are alternately advanced and retracted to rotate the rotating shaft 35 via the rack 38 and the pinion gear 36. The table 32 is rotated.

  Further, the moving mechanism 30 supports the first base 40 so as to be movable back and forth in the direction Q perpendicular to the conveyance direction R of the article W with respect to the second base 41, and the label pasting portion 20 on the conveyance path of the article W when advanced. The first base drive mechanism 43 includes an air cylinder device 42 that is positioned at the other surface sticking position Tb and positioned at the retracted position on the side of the conveyor C when retreating. The air cylinder device 42 includes a piston 42 a to which the first base 40 is attached and a cylinder 42 b that is fixed to the second base 41. Reference numeral 44 denotes a rail attached to the second base 41 and a roller (not shown) provided on the first base 40 rolls. Reference numeral 45 denotes a protrusion 46 provided on the first base 40, and the first base 40 advances. It is a stopper provided on the second base 41 for defining the position.

  Further, the moving mechanism 30 supports the second base 41 so as to be movable back and forth in the conveyance direction R of the article W with respect to the machine base 1 and positions the first base 40 in the front position of the article W when moving forward, and affixing a label when moving backward. A second base drive mechanism 50 is provided that includes an air cylinder device 51 that positions the portion 20 at the one-side sticking position Ta. The air cylinder device 51 includes a piston 51 a to which the second base 41 is attached and a cylinder 51 b that is fixed to the machine base 1. Reference numeral 52 denotes a rail attached to the machine base 1 on which a roller (not shown) provided on the second base 41 rolls. Reference numeral 53 denotes a machine base 1 that the second base 41 stops and defines the advancement position of the second base 41. It is a stopper provided in the.

  Therefore, when the label L is pasted by the label pasting apparatus S, it is as follows. As shown in FIGS. 1 and 4, when the article W is conveyed by the conveyor C and reaches the label attaching position, the conveyor C is stopped and the article W is stopped. At the label L application position of the article W, the label attaching unit 20 is positioned at the one-side application position Ta by the moving mechanism 30, and the turntable 31 of the moving mechanism 30 causes the suction plate 21 of the label applying unit 20 to be attached to the article W. It positions so that it may oppose one surface Wa.

  In this state, the label supply unit 10 supplies the label L to the suction plate 21, and the suction plate 21 sucks the label L. When the label L is set on the suction plate 21, the air cylinder device 25 is operated in the suction plate drive mechanism 22 of the label sticking unit 20 to advance the piston 25 a, whereby the suction plate 21 faces the article W. The adsorbing plate 21 comes into contact with the one surface Wa of the article W, and the label L is stuck on the one surface Wa.

  Next, the air cylinder device 25 is actuated in the suction plate driving mechanism 22 of the label attaching unit 20 so that the piston 25a is retracted. At this retracted position, the label supply unit 10 supplies the next label L to the suction plate 21, and the suction plate 21 sucks the label L. When the label L is set on the suction plate 21, the moving mechanism 30 is activated.

First, as shown in FIG. 5, the air cylinder device 51 is operated in the second base drive mechanism 50 of the moving mechanism 30 to advance the piston 51 a, whereby the second base 41 is positioned in front of the article W. The Next, as shown in FIG. 6, the turntable 31 of the moving mechanism 30 is driven, and the label affixing unit 20 so that the suction plate 21 of the label affixing unit 20 can face the other surface Wb of the article W of the label affixing unit 20. Is driven to rotate.
Then, as shown in FIGS. 2 and 7, the air cylinder device 42 of the first base drive mechanism 43 is actuated to advance the piston 42a, whereby the first base 40 is advanced and the label affixing portion 20 is moved to the article. It is located at another surface sticking position Tb on the conveyance path of W.

  In this state, the air cylinder device 25 operates in the suction plate drive mechanism 22 of the label sticking unit 20 and the piston 25a advances, whereby the suction plate 21 advances toward the article W, and the suction plate 21 moves to the article W. The label L is affixed to the other surface Wb.

When the label L is affixed to the other surface Wb, the air cylinder device 25 is actuated in the suction plate drive mechanism 22 of the label affixing portion 20, and the piston 25a is retracted. Further, the air cylinder device 42 of the first base drive mechanism 43 is operated and the piston 42a is retracted. As a result, the first base 40 is retracted, and the label attaching portion 20 is positioned at the retracted position. The turntable 31 is driven, and the label attaching unit 20 is rotationally driven again so that the suction plate 21 of the label attaching unit 20 can be opposed to the one surface Wa of the article W.
Furthermore, in the second base drive mechanism 50 of the moving mechanism 30, the air cylinder device 51 is operated and the piston 51 a is retracted, whereby the second base 41 is retracted and the label pasting portion 20 is moved again to the one surface pasting position Ta. Position and prepare for the next article W. Further, the conveyor C is operated, the article W to which the label L is attached is conveyed, and the next article W is again conveyed to the application position.

  In this way, the label L is affixed to two places on the one surface Wa and the other surface Wb of the article W. In applying the label L, since the label L can be applied to a plurality of surfaces of the article W with one label supply unit 10 and the label application unit 20, the label supply unit 10 is provided for each application surface of the label L as in the past. In addition, since it is not necessary to install the label attaching unit 20 and only the moving mechanism 30 is provided, the entire label attaching system is simplified and the construction cost is reduced accordingly. In addition, since the label supply unit 10 is provided on the machine base 1 so as to be able to be supplied to the suction plate 21 of the label supply unit 10 at the one-surface pasting position Ta, the label supply unit 10 can be fixed without being moved. The system is further simplified and its construction cost is also reduced.

In the above embodiment, when the label L is affixed to the other surface Wb, the drive timing of the turntable 31 of the moving mechanism 30 is not limited to that described above. For example, the first base drive mechanism 43 The air cylinder device 42 is activated, the piston 42a advances, and the label table 20 is driven at the position where the label sticking portion 20 is positioned at the other surface sticking position Tb on the conveyance path of the article W, and the label sticking is performed. The suction plate 21 of the portion 20 may be made to be able to face the other surface Wb of the article W, and may be changed as appropriate.
Further, in the above-described embodiment, the separate surface Wb is not limited to the above. For example, the rear side of the article in the transport direction R may be a separate surface and may be appropriately changed. What is necessary is just to change the structure of the moving mechanism 30 so that the conveyance direction R of the conveyor C becomes relatively reverse. Further, the different surface Wb may be set to a plurality, and it is only necessary to change the moving mechanism 30 appropriately.

  Moreover, in the said embodiment, although the adsorbing plate 21 contact | abutted to one surface Wa and the other surface Wb of the article | item W, and demonstrated the crimping | compression-bonding type which sticks the label L, it is not limited to this, The small hole of the adsorbing plate 21 It may be an air jet type in which air is blown from (not shown) and the label L is applied to the article W to be pasted and may be appropriately changed.

It is a perspective view which shows the label sticking apparatus which concerns on embodiment of this invention in the state of one surface sticking position. It is a perspective view which shows the label sticking apparatus which concerns on embodiment of this invention in the state of another surface sticking position. The structural example of the turntable in the moving mechanism of the label sticking apparatus which concerns on embodiment of this invention is shown, (a) is a plane sectional view, (b) is the sectional view on the AA line of (a). It is a top view which shows the label sticking apparatus which concerns on embodiment of this invention in the state of one surface sticking position. It is a top view which shows the state of the movement process from the one surface sticking position by a moving mechanism to another surface sticking position in the label sticking apparatus which concerns on embodiment of this invention. It is a top view which shows another state of the movement process from the one surface sticking position by a moving mechanism to another surface sticking position in the label sticking apparatus which concerns on embodiment of this invention. It is a top view which shows the label sticking apparatus which concerns on embodiment of this invention in the state of another surface sticking position. It is a figure which shows the example of the conventional system structure in the case of sticking a label on the several surface of articles | goods.

Explanation of symbols

S Label sticking device C Conveyor W Article Wa One side Wb Another side L Label R Transport direction Q Direction perpendicular to transport direction R 1 Machine 10 Label supply unit 11 Roll 12 Mount 13 Label transport mechanism 14 Printing mechanism 20 Label pasting unit 21 Adsorption Plate 22 Suction plate drive mechanism 23 Coil spring 24 Support body 25 Air cylinder device 30 Movement mechanism 31 Turntable 40 First base 41 Second base 42 Air cylinder device 43 First base drive mechanism 44 Rail 45 Stopper 46 Projection 50 Second base Drive mechanism 51 Air cylinder device 52 Rail 53 Stopper

Claims (2)

A label sticking unit having a suction plate for sucking a label supplied from the label supply unit, and a suction plate driving mechanism for sticking the label sucked at the time of advancement by moving the suction plate forward and backward. In a label sticking device for sticking a label to an article that has been transported along a predetermined transport direction and stopped at a predetermined position,
Setting a moving mechanism that moves the label to another surface pasting position can be affixed to a different separate plane from the label sticking section one-attachment position and said one surface capable of sticking a label on one surface of the article,
The moving mechanism includes a machine base provided on the side of the conveyor, the label sticking portion, and the one surface sticking position at which the label sticking portion suction plate faces the one surface of the article and the another surface sticking position. The turntable that rotationally drives the label sticking portion so that the suction plate of the label sticking portion faces the other surface of the article, a first base that supports the turntable, and a second base that supports the first base And supporting the first base with respect to the second base so that the first base can be moved back and forth in a direction perpendicular to the conveyance direction of the article, and the label sticking portion is positioned at a different surface sticking position on the conveyance path of the article when advanced A first base drive mechanism that is positioned at a retracted position on the side of the conveyor when retreating, and a second longitudinal movement position that supports the second base so as to be movable back and forth in the conveying direction of the article with respect to the machine base. Labeller, characterized in that the labeling unit is configured by a second base driving mechanism to position into the one-attachment position. The label feed unit, labeling machine according to claim 1, characterized in that provided on the machine base so as to be supplied to the suction plate of the label feed unit in the one-attachment position.

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