JP2011178500A - Mountless label peeling apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mountless label peeling apparatus capable of reliably and forcibly peeling off a mountless label from a conveyor belt without depending on the rigidity of the mountless label itself. <P>SOLUTION: This mountless label peeling apparatus for peeling off a mountless label 2 by changing the direction of the conveyor belt 7 for conveying the mountless label 2 on a direction change roller 17 is characterized in that the conveyor belt 7 is divided into a plurality of unit belts 21 and peeling aid members 22 projecting from the outer periphery of the belt outward are mounted between the adjacent unit belts 21, respectively. By dividing the conveyor belt 7 into a plurality of unit belts 21 in the axial direction of the direction change roller 17 for changing the direction of the conveyor belt 7 and moving the peeling aid members 22 projecting outward from the direction change section of the direction change roller 17 of the conveyor belt 7 between the adjacent unit belts 21, respectively, the mountless label 2 is peeled off from the conveyor belt 7 while riding on the peeling aid members 22. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a label-less label peeling apparatus, and more particularly to a label-less label peeling apparatus that does not have a mount as a backing paper (release paper) for a label sheet.

    Conventionally, labels without mounts have a pressure-sensitive adhesive layer on the back side of the label substrate, and print on the surface of the label substrate without providing a mount. When used in a machine or the like, it is necessary to peel off the non-mounting label from the transfer belt in order to transfer it on a predetermined transfer belt and affix it to a predetermined object.

In this peeling, it is considered that the label without a mount is peeled from the transfer belt due to the rigidity of the label base material itself by bending the transfer belt at an acute angle, but the state of the surface of the transfer belt, the adhesive layer Since the holding force between the non-mounting label and the transfer belt increases due to the characteristics of the adhesive and the surrounding environment, there is a problem that it is difficult to ensure the reliability of the peeling action. .
In other words, there is a problem of how to remove the non-mounting label transferred on the transfer path from the transfer belt.

Japanese Patent Laid-Open No. 7-172006

    The present invention has been considered in view of the above problems, and an object of the present invention is to provide a mountless label peeling apparatus that can reliably peel off a mountless label from a transfer belt.

    It is another object of the present invention to provide a label-less label peeling device that can forcibly peel a label without a mount from a transfer belt without depending on the rigidity of the label without a mount itself.

    Another object of the present invention is to provide a non-mounting label peeling apparatus capable of ensuring a stable peeling operation of a non-mounting label from a transfer belt.

    That is, the present invention focuses on dividing the transfer belt into a plurality of unit belts and providing a separation assisting member protruding outward from the outer periphery of the belt between the divided unit belts. And a pressure-sensitive adhesive layer formed on the back surface of the label base material, and a label without a mount is transferred onto a transfer belt, and the transfer belt is turned by a turning roller to remove the mount from the transfer belt. A label peeling apparatus for removing a label for peeling a label, wherein the transfer belt is divided into a plurality of unit belts in the axial direction of the turning roller to which the transfer belt turns, and the transfer belt By providing a separation assisting member that protrudes outward from the turning portion of the turning roller between the adjacent unit belts, There is a release device mount unlabeled, characterized in that so as to peel from the transfer belt while riding on the peeling auxiliary member.

    The peeling assisting member can be provided on the turning portion or on the upstream side of the transfer belt.

    The peeling assisting member is disposed on the center side in the width direction of the turning portion of the transfer belt, and the label without a mount is outside the width direction of the transfer belt at the turning portion of the transfer belt. This can be temporarily attached to the above unit belt.

    The peeling assisting member may be a roller having a diameter larger than the turning diameter of the unit belt and freely rotating with respect to the turning roller.

    The peeling assisting member may be an arcuate protrusion having a semicircular cross section that has a larger diameter than the turning diameter of the unit belt and rotates integrally with the turning roller.

    The peeling assisting member may be a swinging plate having an inclined surface on which the mountless label can ride in the transfer direction of the mountless label.

    The peeling assisting member may be a fixed plate having an inclined surface on which the mountless label can run in the transfer direction of the mountless label.

    The label without a mount can be provided with a release agent layer on the surface side of the label base material and a thermosensitive color former layer on the lower layer side of the release agent layer.

In the peeling apparatus for a label without a mount according to the present invention, the transfer belt for temporarily attaching and transferring the label without the mount is divided into a plurality of unit belts, and the peeling assist protruding outward from the turning portion of the transfer belt. By providing a member between adjacent unit belts, the label without a mount is peeled off from the transfer belt while riding on the peeling auxiliary member, so that the transfer belt can be used without depending on the rigidity of the label without the mount itself. Can be peeled off reliably and forcibly.

1 is a schematic side view of a printing apparatus 1 for a mountless label that employs a mountless label peeling apparatus 8 according to an embodiment of the present invention. FIG. 2 is an enlarged view taken along the line II in FIG. FIG. 6 is a cross-sectional view similar to FIG. 2 showing a modified example of a roller as a peeling assisting member. It is a schematic plan view of the peeling apparatus 30 for a label without a mount according to a second embodiment of the present invention. FIG. It is a schematic side view of the peeling apparatus 40 of the label without a mount according to the third embodiment of the present invention. It is a schematic side view of the portable printing and sticking device 50 for a paperless label, which employs the paperless label peeling device 8 (FIGS. 1 and 2) according to an embodiment of the present invention.

    In the present invention, the transfer belt is divided into a plurality of unit belts, and a separation assisting member is disposed between the belts. Therefore, a label without a mount can be mounted on the separation assisting member to perform a stable and reliable separation action. A label-less peeling device that can be mounted has been realized.

Next, a label-less label peeling apparatus according to an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a schematic side view of a boardless label printing apparatus 1 employing a boardless label peeling apparatus 8 according to this embodiment. The boardless label printing apparatus 1 is a supply unit 3 for a boardless label 2. And a transfer path 4, a printing unit 5, a cutting unit 6, a transfer belt 7, and the peeling device 8 for the label 2 without mount.

    The label 2 without the mount includes a label base material 9, an adhesive layer 10 formed on the back surface of the label base material 9, a thermosensitive color former layer 11 on the lower layer side formed on the surface of the label base material 9, and an upper layer side peeling. And an agent layer 12.

    The supply unit 3 for the non-mounting label 2 holds the non-mounting label 2 in a roll shape and can feed the label 2 toward the transfer path 4 in a band shape. In addition, since the release agent layer 12 is opposed to the pressure-sensitive adhesive layer 10 on the back surface of the roll-less mountless label 2, the label 2 without the mount does not adhere to each other.

    The transfer path 4 is a path for transferring the mountless label 2 from the supply unit 3 through the printing unit 5, the cutting unit 6, and the transfer belt 7 to the peeling device 8.

    The printing unit 5 includes a thermal head 13 and a platen roller 14 facing the thermal head. The printing paper 5 can transfer the mountless label 2 to the transfer belt 7 by the rotational drive of the platen roller 14. Predetermined information is printed on the label 2 without mount using the print data from 13.

    The cutting part 6 has a cutting blade 15 that reciprocates, and forms a single-leaf label piece 2A by cutting the non-mounting label 2 at a predetermined pitch.

The transfer belt 7 is an endless belt member that is rotatably disposed between the rotation drive shaft 16 and the turning roller 17 along the transfer path 4 of the label 2 without the mount, and between the platen roller 14 and the rotation drive shaft 16. The rotation drive shaft 16 and the platen roller 14 of the transfer belt 7 are synchronously rotated via a synchronous timing belt 18 wound between them, and the transfer belt 7 is moved from the upstream side to the downstream side in the transfer path 4. It can be rotated.
The transfer belt 7 can be formed of a peelable material, or an arbitrary release agent can be applied at a predetermined thickness, and the turning roller can be temporarily attached with a non-mounting label 2 thereon. Up to 17 turning parts 19 are transferred.
If necessary, a pressing roller 20 is provided upstream and above the transfer belt 7 so that the non-mounting label 2 from the printing unit 5 can be pressed against the surface of the transfer belt 7 with a predetermined pressing force. I can leave.

The peeling device 8 for the non-mounting label 2 is for turning the transfer belt 7 by a turning roller 17 to peel the non-mounting label 2 from the transferring belt 7. This is provided.
That is, FIG. 2 is an enlarged view taken along the line II in FIG. 1 and shows an enlarged view of the turning state of the transfer belt 7 and the non-mounting label 2 in the peeling device 8.
As shown in the drawing, the transfer belt 7 is divided into a plurality of (three in the illustrated example) unit belts 21 in the axial direction of the turning roller 17 to which the transfer belt 7 turns.

    Further, a roller 22 (peeling assisting member) having a diameter protruding outward from the turning portion 19 in the turning roller 17 of the transfer belt 7 is placed between the adjacent unit belts 21 and with respect to the turning roller 17. Thus, the non-mounting label 2 is separated from the transfer belt 7 while riding on the roller 22.

    The roller 22 has an outer peripheral tip that has an acute angle to reduce the contact area with the adhesive layer 10 on the back side of the mountless label 2 and is larger in diameter than the turning diameter of the unit belt 21.

    The rollers 22 are arranged on the center side in the width direction of the turning portion 19 of the transfer belt 7, that is, on the left and right of the unit belt 21 on the center side, and the label 2 without the mount is attached to the turning portion 19 of the transfer belt 7. These are in contact with and temporarily attached to the unit belt 21 located on the outer side in the width direction of the transfer belt 7 (that is, on the left and right outer sides).

In the printing apparatus 1 for the non-mounting label and the peeling apparatus 8 for the non-mounting label configured as described above, the non-mounting label 2 fed from the supply unit 3 onto the transfer path 4 is printed with predetermined information in the printing unit 5 and cut. After being formed into a single-leaf label piece 2 </ b> A by the portion 6, it is transported in a state of being temporarily attached onto the transport belt 7.
The single-leaf label piece 2A that reaches the turning portion 19 tries to turn together with the transfer belt 7 that turns on the rotation drive shaft 16, but as shown in FIG. Then, the contact area is gradually reduced and gradually peeled off from the transfer belt 7 (unit belt 21), separated from the transfer belt 7 on the leading end side (downstream side) of the turning portion 19, and peeled off. Only the portion is temporarily attached to the transfer belt 7 and the roller 22, and is taken by an arbitrary suction device (not shown) or a fingertip, and is attached to an arbitrary object (not shown) as necessary. Can be pasted.

FIG. 3 is a cross-sectional view similar to FIG. 2 showing a modification of the roller as the peeling assisting member, and is formed with an arcuate protrusion 23 integral with the turning roller 17 and having a semicircular cross section. ing.
Even in such a configuration, the non-mounting label 2 (single-leaf label piece 2A) reaching the turning portion 19 can ride on the arc portion of the arc-shaped protruding portion 23 and peel off from the transfer belt 7. .

The peeling assisting member in the present invention is desirably provided on the turning portion 19 of the transfer belt 7 or on the upstream side thereof.
For example, FIG. 4 is a schematic plan view of a boardless label peeling apparatus 30 according to a second embodiment of the present invention, and FIG. 5 is a schematic side view of the peeling auxiliary member in the boardless label peeling apparatus 30. Is an oscillating plate 32 erected on the fulcrum shaft 31 so as to be oscillating.

    Specifically, a pair of oscillating plates 32 is located in the gap between the three unit belts 21, and the oscillating plates 32 are not mounted on the mountless label 2 (single-leaf label) in the transfer direction of the mountless label 2. The piece 2 </ b> A) has an inclined surface 32 </ b> A that can be ridden, and the inclined surface 32 </ b> A protrudes outward from the unit belt 21.

    However, the fulcrum shaft 31 is provided with a coil spring 33 for urging the fulcrum shaft 31 to the upstream side to resist the downstream movement associated with the single leaf label piece 2A riding on the inclined surface 32A. .

    Also in the peeling device 30 for the label without a mount having such a configuration, the single-leaf label piece 2A transferred to the downstream side on the transfer belt 7 is shaken similarly to the peeling device 8 (FIGS. 2 and 3) described above. It smoothly rides on the inclined surface 32A of the moving plate 32 and is peeled off from the transfer belt 7 (unit belt 21).

    Of course, in this invention, it is good also as a structure which employ | adopts the member similar to the above-mentioned roller 22 as a peeling auxiliary member provided in the upstream of the turning part 19. FIG.

FIG. 6 is a schematic side view of a boardless label peeling apparatus 40 according to a third embodiment of the present invention. The peeling auxiliary member in the boardless label peeling apparatus 40 is fixedly raised on a fixed shaft 41. The fixed plate 42.
Specifically, a pair of fixed plates 42 are positioned in the gap between the three unit belts 21, and the fixed plates 42 are not mounted on the label 2 (single-leaf label 2 </ b> A) in the transfer direction of the mounted label 2. ) Has an inclined surface 42 </ b> A that can be ridden, and the inclined surface 42 </ b> A protrudes outward from the unit belt 21.

    However, it is desirable that the tip end portion of the inclined surface 42 </ b> A of the fixed plate 42 is as close as possible to the turning portion 19 on the upstream side of the turning portion 19 of the transfer belt 7.

    Also in the peeling device 40 for a label without a mount having such a configuration, it has been transferred downstream on the transfer belt 7 in the same manner as the peeling device 8 (FIGS. 2 and 3) and the peeling device 30 (FIG. 5) described above. Further, the single-leaf label piece 2A rides on the inclined surface 42A of the fixed plate 42 and is peeled off from the transfer belt 7 (unit belt 21).

Next, FIG. 7 is a schematic side view of a portable printing and pasting apparatus 50 for a label without a mount, which employs a labelless peeling apparatus 8 (FIGS. 1 and 2) according to an embodiment of the present invention.
The portable printing and pasting device 50 for a label without a mount is configured as a portable label printing and pasting device, and there is no backing with a slightly different configuration from the pair of left and right (front and back) side plates 51 and the label 2 without a mount. It has the supply part 53 of the label 52, the transfer path 54, the printing part 55, the said cutting part 6, the transfer roller 56 and the said belt 7 for transfer, the said peeling apparatus 8, and the sticking roller 57.

    The side plate 51 is integrally formed with a grip 58 at one end thereof (on the right side in FIG. 7), and an operation lever 59 that is gripped together with the grip 58 is rotatably attached. The operation shaft 61 is constantly biased clockwise.

    The label 52 without mount is formed on the surface of the label base 9, the pressure-sensitive adhesive layer 10 formed on the back surface of the label base 9, and the surface of the label base 9, similarly to the label 2 without mount (FIG. 1). The heat-sensitive color former layer 11 is not formed. Further, a cut perforation 9A and a pair of transfer cuts 9B are formed at the center of each predetermined pitch, and the non-mounting label 52 is cut at the portion of the cut perforation 9A having the above-mentioned pitch. The label piece 52A can be formed.

    The supply unit 53 is attached to the upper part of the side plate 51 so that the roll-like non-mounting label 52 can be fed out into the transfer path 54 in a band shape.

    The transfer path 54 reaches the peeling device 8 from the supply unit 53 through the transfer roller 56 and the transfer belt 7.

The printing unit 55 can be driven by the operation lever 59 and the printing unit connecting link 62. The printing stamp 63 can be exposed on the bottom surface of the printing unit 55 and can be printed on the non-mounting label 52.
The label 52 without mount can be printed on the surface of the label base material 9 by appropriately selecting the material of the label base material 9, the release agent of the release agent layer 12, and the ink of the print stamp 63. .

The transfer roller 56 has a transfer claw 64 at a predetermined pitch on its circumference, and the transfer claw 64 rotates in a state of being engaged with the transfer cut 9 </ b> B of the mountless label 52. Allows transfer.
That is, the transfer roller 56 rotates in the clockwise direction in FIG. 7 by the transfer link 65 having an arbitrary configuration connected to the operation lever 59, thereby transferring the mountless label 52 from the supply unit 53 to the transfer belt 7.

    The cutting part 6 can be driven by the operating lever 59 and the cutting part connecting link 66, and the cutting blade 15 cuts the perforation 9A for cutting the non-mounting label 52.

    The affixing roller 57 is provided at the lower end of the side plate 51 so that the single-leaf label piece 52A issued from the peeling device 8 described above can be affixed to an arbitrary object (not shown). it can.

    The peeling device 8 has the configuration described with reference to FIGS. 1 and 2, for example, and positions the single-leaf label piece 52 </ b> A peeled at the turning portion 19 of the transfer belt 7 at the lower portion of the sticking roller 57.

    In the portable label pasting device 50 and the label-less label peeling device 8 having the above configuration, when the operation lever 59 is gripped toward the grip 58 from the opened state of the operation lever 59 shown in FIG. Is cut at the perforation 9A for cutting, and the printing stamp 63 of the printing unit 55 is attached to the transfer belt 7 with the printing stamp 63 (single-leaf label piece) 52A).

    When the operation lever 59 is released to return to the state of FIG. 7, the transfer roller 56 and the transfer belt 7 transfer the non-mounting label 52, and the single-leaf label piece 52 </ b> A is peeled from the transfer belt 7 in the peeling device 8. Then, it can be attached to any object to be attached by the attaching roller 57.

    In the portable printing and pasting apparatus 50 for the label without mount, the printing unit 55 is not provided, and predetermined information is printed in advance on the label 52 without mount, and the peeling operation in the transfer belt 7 and further the peeling apparatus 8 is performed. It can also be configured as a transport device for a label without a mount accompanied with the above.

    Further, the printing unit 55 includes the thermal head 14 and the platen roller 15 in the same manner as the printing apparatus 1 (FIG. 1) for the non-mounting label. The thermal head 14 and the platen roller 15 are provided separately from the operation lever 59 described above. A switch (not shown) to be operated may be provided.

Thus, in the label peeling device 8 without the mount, the single-leaf label piece 52A is reliably peeled off from the transfer belt 7 by the roller 22, and the roller 22 is not the downstream side of the turning roller 17, but the portion of the turning roller 17 Further, since it is arranged on the upstream side from this, there is no problem in processing the single-leaf label piece 52A after the turning portion 19.

1 Printing machine for label without mount (Fig. 1)
2 Label without mount 2A Single-leaf label piece of label 2 without mount 3 Supply unit 4 Transfer path 5 Printing unit 6 Cutting unit 7 Belt for transfer 8 Separation device for label without mount (first embodiment, FIG. 2)
9 Label base material 9A Perforation for cutting the label base material 9 (FIG. 7)
9B Cut for transfer of label base material 9 Adhesive layer 11 Thermosensitive color former layer 12 Release agent layer 13 Thermal head 14 Platen roller 15 Cutting blade 16 Rotating drive shaft 17 Turning roller 18 Synchronizing timing belt 19 Turning portion 20 Pressing roller 21 Transfer Unit belt 22 roller (separation assisting member) divided by belt 7
23 Arc-shaped protrusion (peeling aid)
30 Separating device for label without mount (second embodiment, FIG. 4)
31 fulcrum shaft 32 swing plate (separation assisting member)
32A Inclined surface 33 of rocking plate 32 Coil spring 40 Separating device for label without mount (third embodiment, FIG. 6)
41 Fixed shaft 42 Fixed plate (Peeling auxiliary member)
42A Inclined surface 50 of fixed plate 42 Portable printing and pasting device for label without mount (FIG. 7)
51 A pair of left and right side plates 52 Non-mounting label 52A Single-sheet label piece 53 of non-mounting label 52 Supply unit 54 Transfer path 55 Printing unit 56 Transfer roller 57 Adhesion roller 58 Grip 59 Operation lever 60 Pulling spring 61 Operation shaft 62 Printing unit connection link 63 Printing Stamp 64 Transfer Claw 65 Transfer Link 66 Cutting Port Link

Claims (7)

While transporting a label without a backing sheet having a label base material and an adhesive layer formed on the back surface of the label base material onto a transfer belt,
A peeling device for a label without a mount for turning the transfer belt at a turning roller and peeling the label without the mount from the transfer belt,
The transfer belt is divided into a plurality of unit belts in the axial direction of the turning roller to which the transfer belt turns, and
By providing a peeling auxiliary member protruding outward from the turning portion of the turning roller of the transfer belt between the adjacent unit belts, the transfer belt while the label without mount is riding on the peeling auxiliary member. An apparatus for peeling a label without a mount, characterized in that it is peeled off from the base. 2. The boardless label peeling apparatus according to claim 1, wherein the peeling assisting member is provided at the turning portion of the transfer belt or upstream thereof. The peeling assisting member is disposed on the center side in the width direction of the turning portion of the transfer belt, and
3. The mountless label according to claim 1, wherein the mountless label is temporarily attached to the unit belt positioned outside in the width direction of the transfer belt at the turning portion of the transfer belt. Label peeling device. The label without a mount according to any one of claims 1 to 3, wherein the peeling assisting member is a roller having a diameter larger than a turning diameter of the unit belt and freely rotating with respect to the turning roller. Peeling device. 4. The peeling assisting member according to claim 1, wherein the peeling assisting member is an arcuate protrusion having a semicircular cross section that is larger in diameter than the turning diameter of the unit belt and rotates integrally with the turning roller. The peeling device for the label without a mount. 4. The mountless label according to any one of claims 1 to 3, wherein the peeling assisting member is a rocking plate having an inclined surface on which the mountless label can run in the transfer direction of the mountless label. Peeling device. 4. The mountless label according to claim 1, wherein the peeling assisting member is a fixed plate having an inclined surface on which the mountless label can run in the transfer direction of the mountless label. 5. Peeling device.

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