JP2022046255A - Labeling device and labeling method - Google Patents

Abstract

To provide a labeling device which can reliably apply a label to a cup body with high accuracy even if a cup container includes a tab material having a tab and increase a speed of a labeling step to improve producibility.SOLUTION: A labeling device includes: label supply means which temporarily applies a label 3 to a top surface 2a of a cup container 2 transported by a transportation conveyor 40 with its longitudinal direction oriented in a lateral direction Z of the transportation conveyor 40; and labeling rollers 71 which are provided at both sides in the lateral direction Z at the downstream side of the label supply means and which rub end parts 3a of the labels 3 on areas, each of which ranges from a flange part 23 of the cup container 2 to an upper outer peripheral surface 21c, to apply the end parts 3a of the labels 3 to the multiple cup containers 2, to which the labels 3 are temporarily applied by the label supply means, simultaneously. Each labeling roller 71 is controlled so as to conduct movement in a vertical direction Y and movement in a transportation direction X simultaneously and follow transportation of the cup container 2 when rubbing the end part 3a of the label 3.SELECTED DRAWING: Figure 9

Description

The present invention relates to a label affixing device and a label affixing method.

Conventionally, as a cup container, for example, one having a structure including a bottomed cylindrical cup body for accommodating the contents as shown in Patent Document 1 and a tab material for closing the opening of the cup body is known. ing. In such a cup container, there is a label sticking device for sticking a label from the tab material of the cup container to the upper outer peripheral surface of the cup body.

In such a labeling device, a transport conveyor that unidirectionally conveys a cup container in which the contents are stored and the cup body is closed by a tab material, and a label that supplies a label to the upper surface of the cup container conveyed by the transfer conveyor. A feeding means is provided, and the supplied label is affixed over the tabbed material and the upper outer peripheral surface of the cup body.

Japanese Unexamined Patent Publication No. 2013-249121

The conventional label supply means using a label affixing device rotates a rotatable brush around the transport direction of the cup container, and moves the brush forward and backward in a direction orthogonal to the transport direction to label the cup body. It is a method of pasting by stroking. However, in this case, there is a possibility that the label may be attached to the cup container in a state where the label is displaced due to friction between the brush and the label and the contact condition.

Further, in the conventional label affixing device, when the label is placed so as to overlap the tab position of the tab material of the cup container, the label may be affixed in a misaligned manner, or the label may float and the affixed state may be deteriorated. There was a problem of doing. Moreover, defects due to the floating of the label are difficult to detect by image inspection, and may not be removed as defective products and may be shipped as defective products.

Further, in the conventional label supply means, the transport movement of the cup container is temporarily stopped and attached. In other words, since the cup container transported during manufacturing is discontinuously transported, there is a limit to mass production of products, and it is required that labeling work be performed during continuous transport. There was room for improvement in that respect.

The present invention has been made in view of the above-mentioned problems, and the label can be accurately and surely attached to the cup body even in a cup container provided with a tab material having a tab, and the label can be attached. It is an object of the present invention to provide a label affixing device and a label affixing method capable of improving manufacturing efficiency by speeding up the process.

A first aspect of the present invention is a cup container comprising a bottomed tubular cup body containing the contents and a tab material for closing the opening of the cup body, wherein the tab material of the cup container is provided. A label sticking device for sticking a label over the outer peripheral surface of the cup body, the transport conveyor for unidirectionally transporting a cup container in which the cup body is closed by the tab material, and the transport conveyor. On the top surface of the cup container, a label supply means for temporarily attaching the label with the longitudinal direction facing the conveyor width direction of the transport conveyor and a label supply means downstream of the label supply means provided on at least one of the conveyor width directions. At the same time, the longitudinal end of the label is patted from the outer peripheral edge of the tab material to the outer peripheral surface of the cup body to be attached to the plurality of cup containers to which the label is temporarily attached by the label supplying means. A plurality of sticking rollers to be attached are provided, and the plurality of pasting rollers simultaneously operate vertical movement and transport direction movement when stroking the end portion of the label to transport the cup container. It is controlled to follow the movement.

Another aspect of the present invention is a cup container comprising a bottomed tubular cup body containing the contents and a tab material for closing the opening of the cup body, from the tab material of the cup container. A label affixing method in which a label is attached over the outer peripheral surface of the cup body, in which the cup body is blocked by the tab material and is conveyed in one direction by a transfer conveyor in the longitudinal direction with respect to the top surface of the cup container. The step of temporarily attaching the label toward the conveyor width direction of the transport conveyor and the end portion of the label temporarily attached to the plurality of cup containers are attached to the outer peripheral edge of the tab material by using a plurality of affixing rollers. It has a step of stroking from to the outer peripheral surface of the cup body, and the plurality of sticking rollers operate the movement in the vertical direction and the movement in the transport direction at the same time when stroking the end portion of the label. Therefore, it is controlled so as to follow the transport movement of the cup container.

According to the above aspect, a label is temporarily attached to the top surface of the cup container which is conveyed in one direction by the transfer conveyor with the longitudinal direction facing the conveyor width direction of the transfer conveyor, and then temporarily attached to a plurality of cup containers. The end of the label can be patted and attached from the outer peripheral edge of the tab material to the outer peripheral surface of the cup body using a plurality of pasting rollers. When stroking the end of the label with a plurality of sticking rollers, the sticking roller can be controlled to follow the transport movement of the cup container by simultaneously operating the vertical movement and the transport direction movement. As described above, according to this aspect, the end portion of the label can be attached to a plurality of cup containers at the same time without stopping the transfer movement of the cup container on the transfer conveyor. Therefore, the manufacturing efficiency can be improved by speeding up the label sticking process.

Further, according to this aspect, the sticking roller is made to follow the cup container to be conveyed and moved, and the time for stroking the end of the label can be increased, so that the end of the label can be accurately and reliably. Can be attached to the cup body.
Further, according to this aspect, even if the cup container is provided with a tab material having a tab and the label overlaps the tab, the sticking roller pushes down the tab at the same time as the end of the label, so that the tab waist is used. It is possible to suppress the displacement of the label and the floating of the label.

Further, the label affixing device according to the present invention is provided with a label useless pressing means for pressing the end portion of the label attached to the cup body by stroking with the affixing roller, and the label useless pressing means is the above-mentioned label. When pressing the end portion, it is preferable that the movement in the vertical direction and the movement in the transport direction are simultaneously operated to control so as to follow the transport movement of the cup container.

According to this configuration, the end of the label can be more reliably crimped to the cup body by further pressing the end of the label attached to the cup body by stroking it with a sticking roller by the label useless pressing means. At this time, in order to control the label useless pushing means to simultaneously operate the vertical movement and the transfer direction movement to follow the transfer movement of the cup container, the transfer movement of the cup container on the transfer conveyor is stopped. The end of the label can be further crimped against the cup body. Therefore, the manufacturing efficiency can be improved by speeding up the label sticking process.

Further, in the label affixing device according to the present invention, it is preferable that the label useless pressing means has a pressing portion formed in the same curved surface shape as the outer peripheral surface of the cup body.

According to this configuration, the pressing surface shape of the pressing portion has the same shape as the curved surface shape of the outer peripheral surface of the cup body, so that crimping as a more effective useless pressing is possible.

According to the label affixing device and the label affixing method of the present invention, the label can be accurately and surely affixed to the cup body even in a cup container provided with a tab material having a tab.
Further, according to the label affixing device and the label affixing method of the present invention, the manufacturing efficiency can be improved by speeding up the label affixing process.

It is a top view of the label sticking apparatus according to one Embodiment of this invention. It is a side view of the label sticking apparatus shown in FIG. It is a perspective view which shows the state which the label is temporarily attached to the cup container. It is a side view of a tab position adjusting means. FIG. 3 is a plan view of the tab position adjusting means shown in FIG. 4 as viewed from above. FIG. 5 is a cross-sectional view taken along the line AA shown in FIG. It is a side view for demonstrating operation of a tab position adjusting means. It is a top view of the label folding and stroking means as seen from above. FIG. 8 is a front view of the label folding and stroking means shown in FIG. 8 as viewed from the transport direction. It is a side view of the label folding and stroking means. It is a side view for demonstrating the operation of the sticking roller of a label folding stroking means. It is an enlarged front view of the main part for explaining the operation of the sticking roller of a label folding stroking means. It is a top view which looked at the label useless pushing means from above.

An embodiment of the present invention will be described with reference to the drawings. The drawings show X-axis, Y-axis, and Z-axis that are orthogonal to each other as needed.

As shown in FIGS. 1 and 2, the label attaching device 1 according to the present embodiment attaches the label 3 to the tab material 22 that closes the opening of the cup container 2 that houses the contents such as pudding, yogurt, and jelly. It is a device.

As shown in FIG. 3, the cup container 2 includes a bottomed cylindrical cup body 21 in which the contents are housed, and a tab material 22 for closing the opening of the cup body 21. The cup body 21 is formed in a circular bottomed cylinder shape in a cross-sectional view.
Hereinafter, the straight line passing through the center of the circular shape formed by the cross section is referred to as a container axis O. The tab material 22 (opening end 21a) side along the container shaft O is referred to as the upper side, and the bottom side of the cup body 21 is referred to as the lower side. Further, the direction orthogonal to the container axis O in a plan view from the container axis O direction is referred to as a radial direction, and the direction orbiting around the container axis O is referred to as a circumferential direction.

The diameter of the cup body 21 is gradually reduced from the upper side to the lower side. The cup body 21 has a substantially cylindrical body portion 21A and a cup bottom 21B that closes the lower end of the body portion 21A. The open end 21a of the cup body 21 has a flange portion 23 that projects outward in the radial direction over the entire circumference. A tab member 22 made of a lid member is attached to the upper surface of the flange portion 23, and an open end 21a is sealed. That is, the cup body 21 in which the contents are housed is sealed by the tab material 22. The cup body 21 is made of, for example, a synthetic resin such as polypropylene, polyethylene, polystyrene, or polyethylene terephthalate.

The tab material 22 attached to the opening end 21a of the cup body 21 has a collar-shaped opening tab 22A that protrudes outward in the radial direction at a part of the outer peripheral edge 22a in the circumferential direction. .. In the present embodiment, the tab material 22 is made of a sheet-shaped transparent film, and decorations, character information, and the like may be printed on the tab material 22.
The tab 22A is provided to facilitate the opening operation of the cup container 2, and has a contour shape in which the center in the left-right direction protrudes in order to ensure the ease of opening.

A band-shaped label 3 is attached to the cup container 2 from the tab material 22 to the upper outer peripheral surface 21c of the cup body 21. The label 3 has a label central portion 31 extending in the length direction and a label expanding portion 32 having an enlarged width dimension at both end portions 3a of the label center portion 31 in the length direction. The label 3 is attached to the cup container 2 by the label attaching device 1 shown in FIGS. 1 and 2, and is attached to the tab material 22 at a position shifted in the circumferential direction with respect to the tab 22A.

As a procedure for attaching the label 3, first, the central portion 31 of the label is temporarily attached to the upper surface of the tab material 22 (the top surface 2a of the cup container 2). At this time, both end portions 3a and 3a of the label 3 are not folded toward the upper outer peripheral surface 21c side of the cup main body 21. Next, both end portions 3a and 3a of the label 3 are folded downward and attached to the upper outer peripheral surface 21c of the cup body 21.

The label affixing device 1 is a device for affixing the label 3 to the cup container 2.
As shown in FIGS. 1 and 2, the label affixing device 1 includes a conveyor 40, a tab position adjusting means 50, a label supplying means 60, a label folding and stroking means 70, and a label useless pushing means 80. ing.

The conveyor 40 is moved from the right side to the left side of the paper in FIGS. 1 and 2. The direction along the moving direction at this time is defined as the transport direction X, the front side of the moving direction in the transport direction X is the upstream side, and the rear side is the downstream side. Further, the left-right direction in which the transport direction X is orthogonal to the vertical direction Y when viewed from above is defined as the left-right direction Z.
The tab position adjusting means 50, the label supplying means 60, the label folding and stroking means 70, and the label useless pushing means 80 are arranged in this order from upstream to downstream in the transport direction X of the transport conveyor 40.

As shown in FIG. 2, the conveyor 40 moves at a constant speed and continuously transports a plurality of cup containers 2 from upstream to downstream in the transport direction X with the cup bottom 21B facing down. The cup container 2 to be transported is supplied at a predetermined interval in the transport direction X. The conveyor 40 is wound around a drive pulley 42 and a driven pulley 43 to form an endless shape.

The conveyor 40 is provided with a cup container supply unit S, and the cup container 2 in a state where the tab material 22 (see FIG. 3) is already attached to the open end 21a of the cup body 21 is supplied from the upstream side thereof. Will be done. The cup container 2 to be supplied is arranged at the center of the conveyor 40 in the left-right direction Z. The circumferential orientation of the cup container 2 is not particularly limited in the state of being supplied to the cup container supply unit S. That is, the directions of the tabs 22A of the cup container 2 conveyed in the cup container supply unit S are in a state of being dispersed in the circumferential direction.

As shown in FIGS. 4 to 6, the conveyor 40 has a plurality of through holes 41 through which the cup container 2 is placed. The through holes 41 extend long along the transport direction X, and a plurality (here, four) are arranged in the left-right direction Z. The cup container 2 continuously supplied on the surface 40a of the transfer conveyor 40 in the cup container supply unit S (see FIGS. 1 and 2) is placed on at least one of the through holes 41 and conveyed.

In FIG. 5, the through hole 41 is provided only in the portion where the cup container 2 located second from the left on the paper surface is placed for easy viewing, but all the cup containers placed on the conveyor 40 are provided. A through hole 41 is provided so as to correspond to 2.
The shape of the through hole 41 is not limited to being an elongated hole extending in the transport direction X as in the present embodiment, and is circular, rectangular, porous (mesh shape), or the like from below to above the transport conveyor 40. It is possible to set it to any shape that can blow out air E toward. Further, as shown in FIG. 5, the region where the through hole 41 is provided is arranged so that the air E from the air supply unit 51 shown below uniformly hits the cup bottom 21B of the cup body 21 of the cup container 2. It is preferable to be done.

The tab position adjusting means 50 is arranged on the downstream side of the cup container supply unit S, and adjusts the direction of the cup container 2 so as to be offset from the sticking position of the label 3.
As shown in FIGS. 4 to 6, the tab position adjusting means 50 blows air E from below the conveyor 40 toward the conveyor through the through hole 41 and conveys the cup container 2 from the surface 40a of the conveyor 40. The floating air supply unit 51 and the cup container 2 located on both sides of the conveyed cup container 2 in the left-right direction Z and lifted by the air E blown out by the air supply unit 51 rotate around the container shaft O (FIG. 5). It has a plurality of contact rollers 52 (cup direction changing portions) for changing the direction of the cup container 2 (see the arrow F1 direction) shown in FIG. 7 (see FIG. 7).

The air supply unit 51 is configured to blow out air E continuously from a plurality of through holes 41 in a predetermined section for floating the cup container 2. The air supply unit 51 is connected to a pressurizing pump such as a compressor (not shown), and air E is ejected at an appropriate blowing pressure.
The blowing pressure of the air E is set so that the floating cup container 2 slightly floats to the extent that the contact friction is eliminated. As shown in FIG. 7, in the section where the orientation of the cup container 2 is adjusted, the cup container 2 floats up, moves to the downstream side in the transport direction X, and the cup container 2 outside the air E blowout section is the transport conveyor 40. It touches the surface 40a and is transported to the downstream side.

As shown in FIGS. 4 to 7, the contact roller 52 rotates the position of the tab 22A of the tab material 22 in the cup container 2 levitated by the air supply unit 51 to a position deviating from the position facing the left-right direction Z. Shift. The contact roller 52 has a rotation shaft 52a facing in the vertical direction Y, and is rotatably provided around the rotation shaft 52a. The contact roller 52 is provided so as to be able to contact the tab 22A protruding in the left-right direction Z of the cup container 2. The contact rollers 52 are arranged alternately on the left and right sides of the conveyor 40 along the transport direction X. As shown in FIG. 6, the contact roller 52 is located on the side of the flange portion 23 of the cup container 2 to be conveyed, and is not in contact with the flange portion 23 and the outer peripheral edge 22a of the tab member 22 as described above. As described above, the tab 22A protruding in the left-right direction Z is provided so as to be in contact with the tab 22A.

In the tab position adjusting means 50, the tab 22A of the tab material 22 in the cup container 2 that moves on the conveyor 40 in the transport direction X and is lifted by the air E of the air supply unit 51 to eliminate the ground friction is in contact with the contact roller 52. If so, it rotates around the container axis O and changes its direction in the circumferential direction. As a result, the tab 22A faces the upstream side in the transport direction X, and is at a position deviated from the position facing at least the left-right direction Z.

In the air supply unit 51 of the tab position adjusting means 50, the cup container 2 can be levitated from the conveyor 40 by blowing air E from below the conveyor 40 toward the conveyor 40 through the through hole 41. can. Then, in the contact rollers 52 located on both sides of the Z in the left-right direction, the cup container 2 in a state of being floated by the air E can be rotated around the container axis O to change the direction of the cup container 2.

Therefore, the tab 22A of the cup container 2 transported on the transport conveyor 40 can be rotated to a position deviated from the position facing the left-right direction Z. As described above, in the present embodiment, even in the cup container 2 provided with the tab material 22 having the tab 22A, the tab 22A can be shifted from the sticking position of the label 3. Therefore, since it is possible to prevent the tab 22A and the label 3 from overlapping and being attached, the label 3 can be attached to the cup body 21 accurately and reliably.

As shown in FIG. 2, two label supply means 60 are arranged on the downstream side of the tab position adjusting means 50 at a distance from each other in the transport direction X. The label supply means 60 directs the label 3 to the left-right direction Z with respect to the top surface 2a of the cup container 2 whose orientation of the cup container 2 is adjusted by the tab position adjusting means 50 and is conveyed by the conveyor 40. It is provided with a label supply unit 61 that supplies the label in a closed state. That is, as shown in FIG. 3, the label 3 affixed to the top surface 2a of the cup container 2 to be transported has both end portions 3a and 3a in the longitudinal direction protruding from the cup container 2 to the outside in the left-right direction Z. It becomes a state (see FIG. 1).

The label supply unit 61 moves so as to be close to and separated from the top surface 2a of the cup container 2 conveyed while holding the label 3. In the label supply unit 61, while the label 3 is gripped, the sticking surface of the label center portion 31 of the label 3 is moved so as to be close to the top surface 2a, and then the label 3 is pressed against the top surface 2a. After pasting, the operation of separating from the top surface 2a is performed. After that, the label 3 to be supplied to the next cup container 2 is gripped by the label supply unit 61, and the above supply operation is repeated.

In the present embodiment, the label 3 is temporarily attached to the cup container 2 continuously transported in the transport direction X by the two label supply means 60, but the cup container to be transported is supplied. One label supply means 60 may be used as long as it has a supply capacity corresponding to 2.

As shown in FIGS. 8 and 9, the label folding and stroking means 70 are provided on both the left and right sides of the transport conveyor 40 on the downstream side of the label supply means 60 in the transport direction X.
In the label folding and stroking means 70, as shown in FIG. 3, the end portion 3a of the label 3 temporarily attached to the top surface 2a of the cup container 2 is folded by the flange portion 23 of the cup body 21, and the upper outer peripheral surface 21c is folded. The operation of stroking and pasting is performed.

As shown in FIGS. 8 to 10, the label folding and stroking means 70 simultaneously supplies the label 3 by the label supplying means 60 to the plurality of cup containers 2 temporarily attached, and the end portion of the label 3 in the longitudinal direction. A plurality of (five in this embodiment) pasting rollers 71 provided so that the 3a can be stroked downward from the flange portion 23 (upper end) of the cup body 21 to the upper outer peripheral surface 21c (outer peripheral surface), and a plurality of pasting rollers. It is provided with a follow-up drive unit 72 that makes the 71 follow the cup container 2 that is continuously conveyed and moved.

As shown in FIGS. 9 and 10, the sticking roller 71 is rotatably provided on the tip end portion 73a of the support arm 73 supported by the follow-up drive portion 72. The rotation shaft 71a of the sticking roller 71 is directed to the transport direction X.

As shown in FIG. 10, the follow-up drive unit 72 includes a support arm 73 that rotatably supports the sticking roller 71 around the rotation shaft 71a, and a horizontal slider 74 that is guided along a horizontal guide rail 741 extending in the transport direction X. A telescopic cylinder 75 that is fixed to the horizontal slider 74 and expands and contracts in the vertical direction Y, a drive shaft 76 that is fixed to the tip 75a of the telescopic cylinder 75 and extends in the transport direction X, and a power unit 77. There is.

The power unit 77 drives the support arm 73, the horizontal slider 74, and the telescopic cylinder 75. The support arm 73, the horizontal slider 74, and the telescopic cylinder 75 are controlled so that the five sticking rollers 71 follow the corresponding cup containers 2 and stroke and stick the end 3a of the label 3. Controlled by the device.

As shown in FIG. 9, the support arm 73 includes a first arm portion 731 extending in the vertical direction Y and a second arm portion 732 extending from the upper end of the first arm portion 731 toward the cup container 2 side in the left-right direction Z. , And is formed in a substantially L-shape when viewed from the transport direction X. As shown in FIGS. 8 and 9, the support arm 73 is provided for each sticking roller 71. These five support arms 73 are separately provided at the base end portion 73b so as to be rotatable with respect to the drive shaft 76. The five support arms 73 are supported by one drive shaft 76, and follow and move integrally with the follow-up movement of the drive shaft 76.

As shown in FIG. 10, the horizontal guide rail 741 that guides the horizontal slider 74 follows the transport movement of the end portion 3a of the label 3 temporarily attached to the cup container 2 that is transported and moved by the five sticking rollers 71. It is provided with a length that can be stroked.
The horizontal slider 74 is guided by the horizontal guide rail 741 and reciprocates along the transport direction X. Two horizontal sliders 74 are provided at regular intervals in the transport direction X.

The telescopic cylinder 75 is fixed to each of the horizontal sliders 74, and the drive shaft 76, the support arm 73, and the sticking roller 71 are moved in the vertical direction Y. The expansion / contraction length of the expansion / contraction cylinder 75 is set according to the attachment length by stroking the label in the vertical direction Y with the attachment roller 71.

The drive shaft 76 is fixed to the tip 75a of the pair of telescopic cylinders 75 via the support base 78. The above-mentioned five support arms 73 are rotatably supported on the drive shaft 76 at intervals in the longitudinal direction thereof. The distance between the support arm 73 and the sticking roller 71 in the transport direction X is set to be the same as the spacing between the plurality of cup containers 2 transported on the conveyor 40.

As the operation of the sticking roller 71, which is driven and controlled by the follow-up drive unit 72, as shown in FIGS. 11 and 12, the sticking roller 71 is attached so as to first abut on the flange portion 23 and press against the cup body 21. Move it so that it is stroked downward while making it vigorous. At this time, since the sticking roller 71 rotates at the tip end portion 73a of the support arm 73, the end portion 3a of the label 3 is folded at the flange portion 23 (see FIG. 3) and further attached to the upper outer peripheral surface 21c of the cup body 21. Be done.

As shown in FIGS. 1 and 2, the label damage pushing means 80 are provided on both the left and right sides of the transport conveyor 40 on the downstream side of the label folding and stroking means 70 in the transport direction X. As shown in FIG. 13, the label useless pushing means 80 is for further pressing the end portion 3a of the label 3 that has been patted and pasted by the sticking roller 71 to bring it into close contact with the cup body 21.

The label useless pushing means 80 includes a first base portion 81 that can move in the left-right direction Z and a vertical direction Y, a second base portion 82 that can move in the transport direction X with respect to the first base portion 81, and a second base portion. A pressing arm 83 fixed on the 82 and protruding toward the center of the conveyor 40 in the left-right direction Z, and a pressing plate 84 (pressing) provided at the protruding tip 83a of the pressing arm 83 to press the upper outer peripheral surface 21c of the cup body 21. Department) and.

The pressing surface 84a of the pressing plate 84 is formed in a curved surface shape that matches the upper outer peripheral surface 21c of the cup body 21.

The label damage pushing means 80 is controlled so that the first base portion 81 and the second base portion 82 are driven by a driving means (not shown) and follow the cup container 2 which is conveyed and moved. As a result, the end portion 3a of the label 3 attached to the upper outer peripheral surface 21c of the cup main body 21 is pressed by the pressing surface 84a of the pressing plate 84.

When the end portion 3a of the label 3 is pressed, the label useless pushing means 80 simultaneously operates the movement in the vertical direction Y and the movement in the transport direction X to control the movement of the cup container 2 so as to follow the transport movement. It is configured in.

Next, the operation of the label affixing device 1 and the label affixing method described above will be described in detail with reference to the drawings.
In the present embodiment, as shown in FIGS. 4 to 7, the label supplying means 60 extends the longitudinal direction of the transfer conveyor 40 to the left-right direction of the top surface 2a of the cup container 2 conveyed in one direction by the transfer conveyor 40. After the label 3 is temporarily attached toward Z, the end 3a of the label 3 temporarily attached to the plurality of cup containers 2 is attached to the tab material 22 by using the plurality of attachment rollers 71 of the label folding and stroking means 70. It can be patted and attached from the outer peripheral edge 22a to the upper outer peripheral surface 21c of the cup body 21.

When stroking the end 3a of the label 3 with a plurality of sticking rollers 71, the sticking roller 71 is operated at the same time to move the sticking roller 71 in the vertical direction Y and the movement in the transport direction X to follow the transport movement of the cup container 2. Can be controlled to. As described above, according to the present embodiment, the end portion 3a of the label 3 can be attached to the plurality of cup containers 2 at the same time without stopping the transfer movement of the cup container 2 on the transfer conveyor 40. Therefore, the manufacturing efficiency can be improved by speeding up the label sticking process.

Further, in the present embodiment, the sticking roller 71 is made to follow the cup container 2 to be transported and moved, and the time for stroking the end portion 3a of the label 3 can be increased. Therefore, the end portion 3a of the label 3 can be increased. Can be accurately and reliably attached to the cup body 21.
Further, according to the present embodiment, in the cup container 2 provided with the tab material 22 having the tab 22A, even when the label 3 overlaps the tab 22A, the sticking roller 71 is connected to the end portion 3a of the label 3. Since the tab 22A is also pushed down at the same time, it is possible to suppress the displacement of the label 3 due to the tab waist and the floating of the label 3.

Further, in the present embodiment, as shown in FIG. 13, the label is more reliably pressed by further pressing the end portion 3a of the label 3 attached to the cup body 21 by stroking it with the sticking roller 71 by the label useless pushing means 80. The end portion 3a of 3 can be crimped to the cup body 21. At this time, in order to control the label useless pushing means 80 to simultaneously operate the vertical movement and the movement in the transport direction to follow the transport movement of the cup container 2, the transport movement of the cup container 2 on the conveyor 40 is performed. The end portion 3a of the label 3 can be further crimped to the cup body 21 without stopping. Therefore, the manufacturing efficiency can be improved by speeding up the label sticking process.

Further, in the present embodiment, the shape of the pressing surface 84a of the pressing plate 84 of the label useless pressing means 80 has the same shape as the curved surface shape of the upper outer peripheral surface 21c of the cup body 21, so that crimping as a more effective useless pressing is possible. Is.

Although one embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and changes and combinations of configurations within a range that does not deviate from the gist of the present invention are also possible. included.

For example, in the present embodiment, the label folding and stroking means 70 is provided with five sticking rollers 71, but the number of sticking rollers 71 is not limited to five, and a plurality of sticking rollers 71 are arranged. It can be set as appropriate.

Further, in the present embodiment, the label damage pushing means 80 having a pressing portion (pressing plate 84) is provided on the downstream side of the label folding and stroking means 70, but the label damage pushing means 80 can be omitted.
Further, the pressing portion may be formed by forming the shape of the sticking roller 71 of the label folding and stroking means 70 into the same curved surface shape as the outer peripheral surface of the cup body 21. In this case, the sticking roller 71 can be used to stroke the end portion 3a of the label 3 at the same time as the sticking roller 71.

1 Labeling device 2 Cup container 2a Top surface 3 Label 3a End part 21 Cup body 21c Upper outer peripheral surface 22 Tab material 22A Tab 23 Flange part 40 Conveyor conveyor 41 Through hole 50 Tab position adjusting means 52 Contact roller (cup direction changing part)
60 Label supply means 61 Label supply part 70 Label folding and stroking means 71 Sticking roller 71a Rotating shaft 72 Follow-up drive part 73 Support arm 74 Horizontal slider 75 Telescopic cylinder 76 Drive shaft 77 Power part 80 Label useless pushing means 84 Pressing plate (pressing part)
E Air O Container shaft X Transport direction Y Vertical direction Z Left and right direction (conveyor width direction)

Claims (4)

In a cup container provided with a bottomed cylindrical cup body containing the contents and a tab material for closing the opening of the cup body, a label is provided from the tab material of the cup container to the outer peripheral surface of the cup body. It is a label sticking device that sticks
A conveyor that unidirectionally conveys a cup container in which the cup body is closed with the tab material,
A label supply means for temporarily attaching the label on the top surface of the cup container transported by the conveyor with the longitudinal direction facing the conveyor width direction of the conveyor.
On the downstream side of the label supply means, the end portion of the label in the longitudinal direction is simultaneously provided to a plurality of the cup containers provided on at least one of the conveyor width directions and temporarily attached with the label by the label supply means. A plurality of pasting rollers to be pasted by stroking from the outer peripheral edge of the tab material to the outer peripheral surface of the cup body,
Equipped with
The plurality of sticking rollers are controlled to follow the transport movement of the cup container by simultaneously operating the vertical movement and the transport direction movement when stroking the end portion of the label. Labeling device. A label useless pushing means for pressing the end portion of the label attached to the cup body by stroking with the attachment roller is provided.
When the end portion of the label is pressed, the label useless pushing means simultaneously operates the movement in the vertical direction and the movement in the transport direction to control so as to follow the transport movement of the cup container. , The label affixing device according to claim 1. The label sticking device according to claim 2, wherein the label useless pushing means has a pressing portion formed in the same curved surface shape as the outer peripheral surface of the cup body. In a cup container provided with a bottomed cylindrical cup body containing the contents and a tab material for closing the opening of the cup body, a label is provided from the tab material of the cup container to the outer peripheral surface of the cup body. It is a label sticking method to stick
A step of temporarily attaching the label to the top surface of the cup container in which the cup body is blocked by the tab material and is conveyed in one direction by the conveyor with the longitudinal direction facing the conveyor width direction of the conveyor. ,
A step of stroking the end portion of the label temporarily attached to the plurality of cup containers from the outer peripheral edge of the tab material to the outer peripheral surface of the cup body using a plurality of pasting rollers.
Have,
When stroking the end portion of the label, the plurality of sticking rollers operate the vertical movement and the transport direction movement at the same time to control to follow the transport movement of the cup container. How to attach the label.

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