JP4592863B2 - Label sticking object guide device in label corner sticking machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a label sticking object guide device in a label corner sticking machine, and in particular, label corner sticking for sticking a label across a corner portion (ridge line portion) of a label sticking object having an egg pack or other three-dimensional shape. The present invention relates to a label sticking object guide device in a machine.
[0002]
[Prior art]
Conventionally, various devices have been used to apply labels to label-attached objects such as egg packs and other product packaging containers having corners, but in general, a part of the label is attached to the top surface. After that, there is a method in which bending and pressure bonding are performed according to the angle of the corner by using several rollers.
FIG. 3 is a side view showing a state in which the label 3 is attached to the corner portion 2 of the egg pack 1 (label attached object), and shows a so-called label corner application state.
“Label corner sticking” means that the first portion 3A of the label 3 is pasted (initial pasting) on the first pasting surface 1A (eg, the top or top surface) of the egg pack 1 and the first pasting of the label 3 is further performed. The second portion 3B of the label 3 is pasted from the surface 1A to the second pasting surface 1B (for example, the side surface) different from the first pasting surface 1A, and the label 3 is pasted across the corner portion 2, that is, the ridge line 1C therebetween. It is a pasting form to do.
[0003]
FIG. 4 is a front view of a main part of a label attaching mechanism 4 for attaching (initially attaching) the label 3, and the label attaching mechanism 4 includes a peeling pin 5 and an attaching roller 6.
Only the belt-like mount 7 temporarily attached with the label 3 is turned at the part of the peeling pin 5 to peel off the label 3, and is applied to the first sticking surface 1A of the egg pack 1 that is transported on a predetermined transport path by the conveyor 8 or the like. By rotating the sticking roller 6, the first part 3A of the label 3 is initially stuck in a horizontal state.
FIG. 5 is a side view showing the state of this initial sticking, as seen from the direction in which the egg pack 1 is transferred.
[0004]
FIG. 6 is a plan view of the label corner pasting machine 9, and the label corner pasting machine 9 includes the label pasting mechanism 4 and the label folding / crimping mechanism 10 described above.
The label folding and crimping mechanism 10 is for folding and crimping the second portion 3B of the label 3 to the second affixing surface 1B of the egg pack 1, and finally affixing the label. And Group 12.
[0005]
The bending pressure roller group 11 includes a plurality of (for example, six) rollers 11A (the most upstream roller closest to the application roller 6 side), 11B, 11C, 11D, 11E, and 11F (the most remote from the application roller 6 side). The most downstream roller) is arranged on the extension line of the corner portion 2 in the transfer direction.
[0006]
The arm group 12 has the respective arm portions 12A (closest to the application roller 6 side) so that the respective rollers 11A to 11F can change the respective angles with respect to the second application surface 1B of the egg pack 1 little by little. The posture of the most upstream arm portion), 12B, 12C, 12D, 12E, 12F (the most downstream arm portion farthest from the sticking roller 6 side) with respect to the second sticking surface 1B is variable.
[0007]
FIG. 7 is a side view showing the state of change in the angle of the bending pressure roller group 11 as seen from the direction in which the egg pack 1 is transferred.
In addition, in order to enable the sticking action (pressing action) of the label 3 to the egg pack 1 by the bending pressure roller group 11, the side face (namely, the first sticking face 3A and the second sticking face) on which the label 3 is stuck. A guide plate 13 is provided on the opposite side to the side surface (protruding edge 1D) of the egg pack 1 on the side opposite to the side surface on the 3B side, and the egg pack 1 is conveyed along the guide plate 13 Yes.
Alternatively, instead of the guide plate 13, a guide bar 14 (imaginary line in FIG. 7) having a circular cross section is provided along the conveyance path direction, so that the other two side surfaces 1E or the side surface 1F sandwiching the protruding edge 1D are provided. There is a case to guide either.
[0008]
FIGS. 8 (1) to (6) are viewed from the transfer direction of the egg pack 1, showing the angle of the rollers 11A to 11F with respect to the second sticking surface 1B of the egg pack 1 gradually changing. It is a side view.
As shown in the drawing, while the egg pack 1 is being transported on the conveyor 8, the rollers 11 </ b> A to 11 </ b> F in a fixed state slightly change their angles with each other, so that the second sticking is performed from the ridge line 1 </ b> C. The second portion 3B of the label 3 is bent in the direction of the surface 1B, and a corner pasting operation is performed.
[0009]
In the label corner pasting machine 9 having such a configuration, as shown in FIG. 5, the label 3 is initially pasted by the label pasting mechanism 4, and the label folding / crimping mechanism 10 is used to attach the label 3 as shown in FIG. 2 part 3B is crimped | bonded to the 2nd sticking surface 1B of the egg pack 1, and it affixes.
[0010]
However, as shown in FIG. 7, the guide plate 13 is brought into contact with the side surface (projecting edge 1 </ b> D) of the egg pack 1 as a guide on the conveyor 8 of the egg pack 1 opposite to the label folding and crimping mechanism 10. Since only the egg pack 1 is guided, the guided protruding edge portion 1D of the egg pack 1 is the conveyance direction by the bending pressure bonding roller group 11 (rollers 11A to 11F) in the label bending pressure bonding mechanism 10. As a result of being pressed against the guide plate 13 by a right-angled lateral pressing force, there is a problem of being crushed.
When the guide plate 13 or the guide bar 14 is provided in contact with the side surface 1E or the side surface 1F, there is a problem that the side surfaces 1E and 1F are scratched.
Further, when the label 3 has a simple cubic or rectangular parallelepiped shape and the label 3 is affixed to the corner, there is a problem that an abrasion occurs when the side surface is guided.
[0011]
Further, as the transfer speed of the conveyor 8 in the label attaching mechanism 4 is increased, there is a problem that the occurrence frequency of such damage of the egg pack 1 is increased, which is an obstacle to improving the label attaching processing ability.
Further, since the resistance between the egg pack 1 and the guide plate 13 is large, there is a problem that the egg pack 1 slides on the conveyor 8 and the normal conveyance is hindered.
[0012]
[Problems to be solved by the invention]
The present invention has been considered in view of the above-described problems, and is capable of stably performing label application operations on a label application object such as an egg pack and protecting the side of the label application object. It is an object of the present invention to provide a label affixed object guide device.
[0013]
Moreover, this invention makes it a subject to provide the label sticking object guide apparatus in the label corner sticking machine which can avoid the damage of the side surface of the label sticking object accompanying sticking of the label to a label sticking object.
[0014]
Moreover, this invention makes it a subject to provide the label sticking object guide apparatus in the label corner sticking machine which can guide this, reducing the contact area to the side surface of a label sticking object as much as possible.
[0015]
The present invention also provides a label that can be stably conveyed while allowing the label-attached object to be guided in the conveyance direction while minimizing the lateral pressing force to the side of the label-attached object by a label bending and crimping mechanism or the like. It is an object of the present invention to provide a label sticking object guide device in a corner sticking machine.
[0016]
[Means for Solving the Problems]
That is, the present invention focuses on guiding the side of a labeling object such as an egg pack with a rotatable guide roller, and includes a first ridge line at the corner of the egg pack that is transported on a predetermined transport path. A label affixing mechanism capable of affixing the first portion of the label to the affixing surface, and a second affixing different from the first affixing surface of the egg pack while being arranged downstream of the label affixing mechanism in the transfer direction A label bending and crimping mechanism capable of folding a second portion different from the first portion of the label from the ridge portion toward the surface and crimping the second portion to the second application surface, in label edge bonding machine across the corner portion of the egg cartons paste the label, rotatable guide rows and label folding crimping mechanism provided it on the opposite side with respect to the conveying path Reduction and over the guide roller is provided with a plurality of this in a straight line along the conveying path, in contact with the protruding edge of the side surface of the egg cartons, the contact pressure along the egg cartons in the transport path It is a label sticking object guide device in a label corner sticking machine characterized by being guided.
[0017]
The guide roller can freely rotate .
[0019]
In the label sticking object guide device in the label corner sticking machine according to the present invention, the side such as the protruding edge of the egg pack or other label sticking object is guided along the transport direction by a rotatable guide roller. The roller comes into line contact with the side surface of the label affixed object, rotates with a very small contact area, and can smoothly guide the label affixed object along the conveyance path.
Therefore, even if there is a pressing action in the lateral direction by the label bending crimping mechanism from the opposite side of the label affixed object with the label affixing operation to the label affixed object, damage to the side of the label affixed object is avoided, Labels can be attached to objects to be labeled.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Next, the label sticking object guide device 20 in the label corner sticking machine according to the embodiment of the present invention will be described based on FIG. 1 and FIG. However, the same parts as those in FIGS. 3 to 8 are denoted by the same reference numerals, and detailed description thereof will be omitted.
FIG. 1 is a side view of a label sticking object guide device 20 in a label corner sticking machine as seen from the transfer direction of the egg pack 1, and FIG. 2 is a plan view of the label sticking object guide device 20 in the label corner sticking machine. Has a guide frame 21 provided along the conveyance path (conveyor 8) and a plurality of guide rollers 22.
[0021]
As shown in FIG. 2, the guide frame 21 is disposed along the conveyance path on the side opposite to the side where the label corner pasting machine 9 and the label bending and crimping mechanism 10 are arranged on the left and right in the conveyance direction of the conveyor 8. As shown in FIG. 1, a plurality of guide rollers 22 are rotatably held on a straight line along the conveyance path.
[0022]
That is, each guide roller 22 freely rotates around a roller rotation shaft 23 provided in the vertical direction on the guide frame 21, and the side surface (projecting edge 1D) of the egg pack 1 transferred on the conveyance path. This is disposed at a height and a position where it can abut against.
The guide roller 22 is made of a resin material and can reduce the contact pressure with the egg pack 1.
[0023]
In the label pasting object guide device 20 in the label corner pasting machine having such a configuration, when the egg pack 1 is transferred on the conveyor 8, the egg pack 1 is the label corner pasting machine on the front side approaching the label corner pasting machine 9. 9 can be brought into contact with the guide roller 22 of the label pasting object guide device 20 at the protruding edge 1D on the side surface opposite to the side 9.
When the label bending work by the label bending and pressing mechanism 10 of the label corner attaching machine 9 is started, the egg pack 1 is moved to the guide roller 22 side of the label attaching object guide device 20 by the lateral component force. The contact portion with the guide roller 22 is a line contact, and the guide roller 22 rotates with the transfer of the egg pack 1, so that the resistance force is reduced and the pressed egg pack. The burden on the side surface of 1 can be reduced, and damage to the protruding edge 1D can be avoided.
Furthermore, since the resistance between the guide roller 22 and the egg pack 1 can be reduced, the egg pack 1 does not slide on the conveyor 8, and a normal and stable transport operation can be performed.
[0024]
In the present invention, the inclination of the roller rotation shaft 23 is adjusted in accordance with the other side surfaces 1E and 1F (FIG. 7), and the side surface 1E or 1F is guided while the guide roller 22 is in contact with the side surface 1E or 1F. It can also be set as the structure which protects.
Of course, the present invention can also be applied to a case where the label-applied object has no protruding edge 1D and the side surface is flat and vertical.
[0025]
【The invention's effect】
As described above, according to the present invention, the side surface of the label affixed object such as an egg pack is guided by the rotating guide roller. Therefore, the burden caused by the pressure applied to the label affixed object is reduced and the side surface is damaged. It can be avoided.
[Brief description of the drawings]
FIG. 1 is a side view of a label sticking object guide device 20 in a label corner sticking machine according to an embodiment of the present invention as viewed from the direction in which an egg pack 1 is transferred.
FIG. 2 is a plan view of the same.
FIG. 3 is a side view showing a state of label corner pasting in which a label 3 is pasted on a corner portion 2 of an egg pack 1 (label pasting object) according to the related art.
FIG. 4 is a front view of an essential part of a label attaching mechanism 4 for attaching a label 3 (initial application).
FIG. 5 is a side view showing the state of initial sticking, as seen from the direction of transfer of the egg pack 1;
FIG. 6 is a plan view of the label corner sticking machine 9;
FIG. 7 is a side view showing the state of change in the angle of the bending press roller group 11 as seen from the direction of transfer of the egg pack 1;
FIG. 8 shows that (1) to (6) show that the angles of the rollers 11A to 11F with respect to the second application surface 1B of the egg pack 1 change little by little. It is the side view seen from the transfer direction.
[Explanation of symbols]
1 Egg pack (labeled object)
1A First pasting surface (eg top or top surface) of egg pack 1
1B 2nd sticking surface (eg side surface) of egg pack 1
1C Edge line 1D of egg pack 1 Protruding edge (side surface) of egg pack 1
1E, 1F Two other side surfaces 2 with protruding edge 1D sandwiched between them 2 Corner 3 of egg pack 1 Label 3A First portion 3B of label 3 Second portion of label 3 Label attaching mechanism 5 Peeling pin 6 Adhesive roller 7 Band-shaped mount 8 Conveyor (conveyance path)
9 Label corner bonding machine 10 Label bending pressure bonding mechanism 11 Bending pressure bonding roller group 11A, 11B, 11, 11C, 11D, 11E, 11F Roller 12 Arm group 12A, 12B, 12, 12C, 12D, 12E, 12F Arm 13 Guide Board (Figure 7)
14 Guide bar (Figure 7)
20 Label sticking object guide device in label corner sticking machine (embodiment, FIG. 1, FIG. 2)
21 Guide frame 22 Guide roller 23 Roller rotation axis

Claims (2)

A label affixing mechanism capable of affixing the first part of the label to the first affixing surface including the ridgeline of the corner of the egg pack that is transported on a predetermined transport path;
It arrange | positions in the transfer direction downstream from this label sticking mechanism, and differs from the said 1st part of the said label from the said ridgeline part toward the 2nd sticking surface different from the said 1st sticking surface of the said egg pack. A label bending and crimping mechanism capable of folding the second part and crimping the second part to the second application surface;
Have
In a label corner pasting machine for pasting the label across the corner of the egg pack ,
A rotatable guide roller provided with this on the opposite side of the label folding and crimping mechanism with respect to the conveyance path,
The guide roller is
A plurality of these are provided on a straight line along the conveyance path,
Contact, labeling objects guiding device in Label edge bonding machine, characterized in that the egg cartons and to guide to reduce the contact pressure along the conveying path to the protruding edge of the side surface of the egg cartons. The label sticking object guide device in the label corner sticking machine according to claim 1, wherein the guide roller freely rotates .

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