JPH10291517A - Apparatus and method for sticking label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve accuracy in a sticking position of a seal member by supplying the seal member of a length according to a plurality of contiguous faces, by transferring the supplied seal member onto a part of the plurality of faces for sticking, and by sticking the remaining seal member to the remaining faces, respectively. SOLUTION: A seal supplying device 50 feeds out a seal member S wound like a tape around a tape reel 41 to a seal cutting part 42, where the seal members is cut into a length according to a plurality of faces of a work W, and then it is transferred to a seal transfer part 43. The seal member S is supplied via a seal transfer device 44 and a seal supplying part 46 to a seal carrier 21 of a first label sticking device 20. After the seal member S is stuck to a part (first face) of the plurality of faces of the work W by the first label sticking device 20, a remaining seal member S which has not been stuck yet is stuck to remaining faces (second and third faces) of the work W by a second label sticking device 30. Thus accuracy in sticking position of the seal member S can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD OF THE INVENTION

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a label sticking apparatus and a label sticking method for automatically sticking labels such as seals to a molded part in an automated production facility.

[0002]

2. Description of the Related Art A conventional label sticking apparatus for automated production equipment sets a tape label member wound in a roll in a state in which the adhesive surface of a label is stuck on a release paper in a label supply apparatus, and a release paper. The label was separated from the release paper at the turning point of the sharp edge while pulling out, and the label was transferred to the molded part while sucking the label under vacuum, and the label was attached by pressing it against the flat label sticking surface of the molded part .

[0003]

However, the conventional labeling apparatus does not support labeling on a polygonal surface including an acute angle of a molded part. That is,
At present, when labels are attached to polygonal surfaces, they cannot be automated but rely on manual work.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and has as its object to provide a label sticking apparatus which can be automated and can be stuck with high accuracy even when the cross-sectional shape of the sticking surface of labels is a polygon including an acute angle. And a method for attaching a label.

[0005]

Means for Solving the Problems In order to solve the above-mentioned problems and achieve the object, a label sticking apparatus of the present invention has the following arrangement. That is, in a label sticking apparatus that sticks a seal member having an adhesive layer formed on a back surface to a predetermined portion of a work, the predetermined portion of the work includes a plurality of continuous surface portions including an acute angle, and the predetermined portion of the work corresponds to the plurality of continuous surface portions. Supply means for supplying a seal member having a predetermined length, transfer means for transferring and supplying the supplied seal member to a part of a plurality of surface portions, and attaching the remaining portion of the seal member to the remaining surface portions, respectively. Attaching means.

[0006] In order to solve the above-mentioned problems and achieve the object, the label attaching method of the present invention has the following features. That is, in a label attaching method in which a seal member having an adhesive layer formed on a back surface is attached to a predetermined portion of a work, the predetermined portion of the work includes a plurality of continuous surface portions including an acute angle, and the predetermined portion corresponds to the plurality of continuous surface portions. A supplying step of supplying a sealing member having a predetermined length, a transferring step of transferring and supplying the supplied sealing member to a part of a plurality of face parts, and affixing the remaining part of the sealing member to the remaining face part, respectively. Attaching step.

[0007]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

[Overall configuration of label attaching system]
An overall configuration of a label sticking system according to an embodiment of the present invention will be described. FIG. 1 is a plan view showing the overall configuration of the label attaching system of the present embodiment. FIG. 2 shows FIG.
FIG.

As shown in FIG. 1 and FIG. 2, the label pasting system 1 comprises a first label pasting device 20, a seal supply device 40, a conveyor device 50, which is mounted on a gantry 60, and a label mounting system 1 which is mounted on a gantry 61. And a second label attaching device 30 to be used.

The seal supply device 50 is provided at an end of the gantry 60 and sends out a seal member S wound in a tape shape around a tape reel 41 to a seal cutting section 42, where a plurality of workpieces are connected. After cutting to a length corresponding to the surface portion, the sheet is transferred to the seal transfer section 43.

Above the seal transfer section 43, a seal transfer device 44 is provided. The seal transfer device 44 is provided so as to be slidable along the longitudinal direction of the arm 45, and is also provided so as to be movable in the vertical direction. That is,
The seal transfer device 44 is movable in the up-down direction and the front-rear direction with respect to the seal transfer unit 43. The seal transfer unit 44 sucks and holds the seal member S transferred to the seal transfer unit 43 by a vacuum suction mechanism or the like, and transfers the seal member S onto the supply arm 47 of the seal supply unit 46. The seal supply unit 46 moves the supply arm 47 approximately 9
It is rotatable in the range of 0 °, receives the seal member S from the seal supply unit 46 at the first position P1, and applies the seal member S at the second position P2 rotated substantially 90 ° to the first attaching device 20.
Is supplied to the seal transport unit 21 of the printer.

In the first label sticking apparatus 20, the seal member S placed on the supply arm 47 is gripped by the seal suction finger 25 provided in the seal transfer section 21, and is transferred to the work W at the sticking position. Seal transport unit 21
Is a horizontal slide arm 23 fixed to the column 22
Is provided so as to be slidable along the horizontal direction,
The vertical movement arm 24 is provided so as to be movable in the vertical direction. The column 22 extends vertically to the gantry 60. The seal transport unit 21 is movable in the vertical direction and the front-rear direction with respect to the seal supply unit 46, similarly to the seal transfer device 44. A seal suction finger 25 is provided at the lower end of the vertical movement arm 24 of the seal transport unit 21 to suck and hold the seal member S placed on the seal supply unit 46 by a vacuum suction mechanism or the like, and to hold the work W To the position where the seal is attached.

The work W is a molded plastic product, for example, and is placed on a conveyor 50 via a positioning / conveying jig and conveyed to the second label attaching device 30. The conveyor 50 is slowly driven at a predetermined speed by a free flow conveyor.

On both sides of the conveyor 50 in the conveying direction, there are provided horizontal positioning portions 70 for positioning the work W and the conveyor 50 in the horizontal direction. The horizontal positioning portion 70 adjusts the correct position of the work W with respect to the conveyor 50 by sandwiching the work W between the positioning pins 71 and 72 provided on both sides of the conveyor 50. The second label sticking device 30 is provided at a position apart from the first label sticking device 20, and is placed on the gantry 61.
The conveyor 50 is installed from a work supply position (not shown) to the first label attaching device 20 and the second label attaching device 30.

The second label attaching device 30 includes a conveyor 50
Is provided on the downstream side in the transport direction. Stand 61
On the upper side, horizontal positioning portions 70 for positioning the work W and the conveyor 50 in the horizontal direction are provided on both sides in the conveying direction of the conveyor 50. The lateral positioning portion 70 is provided to prevent the workpiece W from moving in the lateral direction when the seal member is attached, in addition to the lateral positioning between the workpiece W and the conveyor 50. Conveyor 50
Above the second surface seal sticking roller and the third
The face seal sticking roller is supported by the column 31.
The support 31 extends at right angles on the gantry 61. Third
The face seal sticking roller is provided so as to be vertically movable by a vertical movement arm 32 provided on the column 31.

After the seal member S is adhered to a part (first surface) of a plurality of surface portions of the work W by the first label attaching device 20, the seal member S is attached to the work W by the second label attaching device 30.
Of the remaining surface of the workpiece W (the second surface and the third surface).
Surface).

[Structure of Seal Suction Finger] Next, the structure of the seal suction finger shown in FIGS. 1 and 2 will be described. FIG. 3 is a side view showing a detailed structure of the seal suction finger shown in FIGS. FIG. 4 is a view of the suction finger shown in FIG. 3 as viewed from below.

As shown in FIGS. 3 and 4, an arm mounting plate 108 is mounted on the lower end of the vertically movable arm 24. A reversing unit mounting plate 110 is mounted on the lower end of the arm mounting plate 108 via a reversing unit 109. At one end of the reversing unit mounting plate 110, a first seal suction finger portion 25a is provided. The first seal suction finger portion 25a is fixed to the reversing unit mounting plate 110. At the other end of the reversing unit mounting plate 110, a slide unit 111 that can slide along the longitudinal direction of the reversing unit mounting plate 110 is provided. Then, the second seal suction finger portion 25
“b” is fixed to the slide unit 111. The slide unit 111 includes a reversing unit mounting plate 11.
The slide range is defined by the stoppers 112a and 112b provided on the zero. The stopper 112a is provided at the other end of the reversing unit mounting plate 110,
The stopper 112b is provided adjacent to the first seal suction finger portion 25a. The slide unit 111 and the second seal suction finger portion 25b are
a, 112b can be slid.

The second seal suction finger portion 25b includes an up-down shift portion 113 fixed to the slide unit 111 and capable of shifting vertically, and a cushion portion 114 provided below the up-down shift portion 113 for absorbing an impact. Is provided. An XY direction slide table 117 slidable with respect to the suction portion support 123 is provided below the cushion portion 114. The XY direction slide table 117 is provided with a suction head 118 provided thereunder.
Can be moved in the X and Y directions parallel to the gantry 60. The suction head 118 is provided with a suction pad 115 and two reference pins 126a and 126b facing downward. The suction head 118 is a compression coil spring 1
16 are urged in the X and Y directions, respectively.

As shown in FIG. 4, the suction head 118 includes
It is pressed in the X direction in the drawing by the X direction pressing cylinder 120 and pressed in the Y direction in the drawing by the Y direction pressing cylinder 119.

The X-direction pressing cylinder 120 is provided at one end of the X-direction slide table 124 and
8 is moved in the X direction on the X direction slide table 124. An X-direction stopper 122 is provided at the other end of the X-direction slide table 124 with the suction head 118 interposed therebetween, and regulates the movement of the suction head 118 in the X direction. The Y-direction pressing cylinder 119 is provided at one end of the Y-direction slide table 125 to move the suction head 118 to the Y-direction.
It is moved in the Y direction on the direction slide table 125. Suction head 11 of Y-direction slide table 125
A Y-direction stopper 121 is provided at the other end with the suction head 8 interposed therebetween, and regulates the movement of the suction head 118 in the Y-direction.

The positions of the reference pins 126a and 126b are provided corresponding to the reference position of the work W.

The first seal suction finger portion 25a is
Except for the position of the reference pin 126b, the configuration is substantially the same as that of the second seal suction finger portion 25b, and the configuration of each portion is merely provided symmetrically. I do.

[Positioning on Work] Next, a method for positioning the second seal suction finger portion 25b with respect to the work W will be described. FIG. 5 is a view of the seal suction finger shown in FIG. 3 as viewed from the left side.

As shown in FIG. 5, the work W is a long plastic molded product such as an ink toner, and has a polygonal first surface W1 having a cross section at both ends including an acute angle.
It has a plurality of surface portions of a second surface W2 and a third surface W3. The sealing member S includes a first surface W1, a second surface W2, and a third surface W3.
It is pasted over. Second seal suction finger part 2
5b, the reference pin 126a, 126b is fitted to the reference position of the work W, and the seal member S is attached to the first surface W1 of the work W.
Then, the suction head 118 is moved down to attach the seal member S to the first surface W1. Second surface W
2. Attach the remaining seal member S to the third surface W3
This is performed in the label attaching device 30.

[Second Labeling Apparatus] Next, the configuration of the second labeling apparatus will be described. FIG. 6 is a side view showing the configuration of the second label attaching device.

As shown in FIG. 6, the second label attaching device 3
0 is a second surface sticking device 33 for sticking the remaining portion of the seal member S to the second surface of the work W, and a third surface sticking device 34 for sticking the remaining portion of the seal member S to the third surface of the work W. Prepare.

The second surface attaching device 33 is attached to the column 31 at an angle parallel to the second surface of the work W. The second attaching device 33 includes a roller supporting lever 206 that rotatably supports the seal applying roller 205, and slides the roller supporting lever 206 in the direction of arrow D1 along the second surface W2, and a shaft is attached to the distal end. Actuator 201 for causing supported seal applying roller 205 to protrude and retract from second surface W2
Having. The other end of the roller support lever 206 is connected to the second surface W
2 is rotatably supported at a fulcrum 203 in the vertical direction. The pressing force of the seal applying roller 205 against the second surface W2 is determined by the lever urging member 204 and the urging force adjusting mechanism 2.
Adjusted by 12. In addition, the seal sticking roller 205
Is restricted by the stopper 202 to a predetermined pressing force or less.

Next, the configuration of the third surface attaching device 34 will be described.

As shown in FIG. 6, the third surface sticking device 34
Is provided so as to be vertically movable by a vertically movable arm 32 attached to the column 31 via an intervening member 207. The third surface sticking device 34 includes a roller bearing lever 214 rotatably supporting a seal sticking roller 210 provided at a position facing the third surface W3, and a roller bearing lever 214 for connecting the roller bearing lever 214 to the third surface W3. , Slide in the direction of arrow D2, and the sticking roller 2 is pivotally supported at the tip.
It has an actuator 208 that makes the 10 protrude and retract from the third surface W3. The other end of the roller support lever 214 is rotatably supported at a fulcrum 211 along the vertical direction. The vertical pressing force of the seal applying roller 210 is adjusted by the lever urging member 209 and the urging force adjusting mechanism 213. Further, the pressing force of the seal sticking roller 210 is regulated by the stopper 215 to a predetermined pressing force or less.

The work W is held by a positioning / conveying jig 51 and conveyed while being positioned with respect to the conveyor 50. The horizontal position of the positioning / conveying jig 51 is fixed by a horizontal positioning unit 70 in order to prevent a lateral displacement at the time of attaching the seal member S while holding the work W.

[Overall operation of label attaching system]
The overall operation of the label attaching system will be described.

As shown in FIG. 1 to FIG.
The seal member S positioned and mounted on 6 is held by the seal suction finger 25 and is moved above the work W conveyed to the conveyor 50. Seal suction finger 25
The second seal suction finger portion 25b is moved to one end of the work W by the slide unit 111. The movement width is controlled in advance according to the shape of the workpiece W by the stopper 112a. Thereafter, the reversing unit 109 reverses the position until the seal suction surfaces of the suction pads 115 provided on the first seal suction finger portion 25a and the second seal suction finger portion 25b are parallel to the first surface W1.
On the other hand, the work W is positioned by the positioning and conveying jig 51 and conveyed by the conveyor 50, and the positioning pins 71 and 72 of the horizontal positioning section 70 are positioned by the positioning holes 105 shown in FIG.
The work W is fixed by being inserted into the holes 105a and 105b, and prevents the work W from being displaced in the lateral direction at the time of sticking. After the positioning of the work W is completed, as shown in FIG. 5, the lowering and positioning are performed on the first surface W1 in two steps, and the seal member S is attached. As a first stage, reference pins 126a, 12a provided on the seal suction finger are provided.
6b is fitted to the reference surface of the work W with a small gap. The reference pins 126a and 126b release the X-direction cylinder 120 and the Y-direction cylinder 119 at the same time, and adjust the return time of the cylinder with respect to the X-axis and the Y-axis, respectively. At the same time, they are pressed and positioned. Next, the vertical shift unit 11
3 is lowered, and the sealing member S is moved to the first position by the pressing force.
Pasted on the surface. At this time, even if there is a vertical displacement between the work W and the work transfer jig 51,
The reference pins 126a, 126a follow the reference surface of the workpiece W.
Since 6b is fitted, it is accurately positioned.

After the sticking of the seal member S is completed, the suction state of the suction pad 115 is released, and the seal suction finger is raised. At the same time, when the second seal suction finger portion 25b returns to the first seal suction finger 25a side when the seal suction finger 25 is raised, the horizontal slide arm 23
Returns to the position on the seal supply unit 46 side, and thereafter the same operation is repeated.

After the sticking of the seal member S to the first surface is completed, the fixing / positioning of the work W by the horizontal positioning unit 70 is released, and the work W is conveyed to the second label sticking device 30 by the conveyor 50.

The work W conveyed to the second labeling apparatus 30 is positioned / fixed in the horizontal direction by the horizontal positioning section 70 in the same manner as the first labeling apparatus 20, and then the sealing member is attached to the second surface W2. S is pasted.

In sticking to the second surface, the roller 201 and the sticking roller 205 are advanced by the actuator 201 to stick the seal member S. The pressing force of the seal applying roller 205 against the second surface is regulated by the stopper 202. Seal pasting roller 2205
Is moved back by a predetermined amount, returns to the original position, and the attachment to the second surface is completed.

In the application to the third surface, after the application to the second surface is completed, the roller support lever 214 is lowered by the vertical movement arm 32 to a position facing the third surface, and the third surface W3 Is pasted on the sealing member S. This third
The method of attaching to the surface W3 is the same as the method of attaching to the second surface. Further, when the workpiece W and the positioning / conveying jig 51 are displaced in the up-down direction at the time of sticking to the second surface and the third surface, the roller shaft support levers 206 and 214 at the fulcrums 203 and 211 swing vertically. The problem is solved by operating the seal applying rollers 205 and 210 while rotating so as to follow the second surface or the third surface. Further, the pressing force of the seal attaching rollers 205 and 210 on the second and third surfaces is appropriately adjusted according to the force applied to attach the seal member S.

As described above, in the label sticking system according to the present embodiment, the pressing position of the seal sticking roller is made to follow while being urged by an elastic member such as a compression spring. Can also be applied to

[Example of sticking operation of seal member] Next, an example of sticking operation of the seal member will be described. 7 to 10
FIG. 9 is a diagram for explaining an example of a sticking operation of each of seal members having four types of workpiece shapes.

In the case where the seal member S is attached to a workpiece whose first to third surfaces shown in FIG.
As shown in (a), since the first surface W1 is a concave curved surface, the suction pad 115 is appropriately changed according to the shape of the first surface W1, or the suction surface of the suction pad 115 is formed as a deformable member to a certain extent. The seal member S is attached by making it possible to absorb irregularities or irregularities, or by changing the arrangement of the work W so that the first surface is flat. As shown in FIG. 7B, the second surface W2 is attached to the second surface W2.
While the third sticking roller 205 is vertically arranged and moved downward, the pressing force of the sticking roller is adjusted and moved so as to follow the second surface. As shown in FIG. 7 (c), the sticking to the third surface W3 is performed by disposing the seal sticking roller 210 of the third surface sticking device 34 horizontally and applying the pressing force of the seal sticking roller from left to right in the figure. Adjust and move to follow the third surface.

When the sealing member S is attached to a work having the first to third planes shown in FIG. 8, the suction pad is used because the first surface W1 is flat as shown in FIG. 11
5 is pasted upside down in accordance with the inclination of the first surface W1. As shown in FIG. 7B, the sticking to the second surface W2 is performed by disposing the seal sticking roller 205 of the second surface sticking device 33 in parallel with the second surface W2 so as to follow the second surface. Adjust the pressing force of the sticking roller and move it. As shown in FIG. 7 (c), the sticking to the third surface W3 is performed by disposing the seal sticking roller 210 of the third surface sticking device 34 in parallel with the third surface and moving it from top to bottom in the drawing. The pressing force of the seal sticking roller is adjusted and moved so as to follow the third surface. Further, as shown in FIG. 7D, the attachment to the fourth surface
A fourth surface sticking device 35 is newly provided, and the seal sticking roller is arranged in parallel to the fourth surface, and the pressing force of the seal sticking roller is adjusted to move the seal sticking roller so as to follow the fourth surface.

In the case where the seal member S is attached to a workpiece whose first to third surfaces shown in FIG.
This is the same as the procedure shown in FIGS.

When the seal member S is to be attached to a workpiece whose first surface and second surface shown in FIG. 10 have a concave planar shape and intersect at an acute angle with each other, as shown in FIG.
After the sealing member S is attached to the second surface W2, as shown in FIG.
The seal applying roller 205 is moved in parallel with the second surface W2 by adjusting the pressing force so as to follow the second surface. The attachment to the third surface W3 is performed as shown in FIG.
The pressing force of the seal applying roller is adjusted so as to follow the third surface while moving the seal applying roller 210 of the third surface applying device 34 parallel to the third surface and moving from left to right in the drawing.

It should be noted that the present invention is applicable to modifications or changes of the above embodiment without departing from the spirit thereof.

[0046]

As described above, according to the present invention,
Supply a sealing member of a length corresponding to a plurality of continuous surface parts,
By transferring and attaching the supplied seal member to a part of the plurality of surface portions and sticking the remaining portion of the seal member along with the remaining surface portions, the accuracy of the sticking position of the seal member can be improved.

Further, by providing the roller means for pressing the seal member in accordance with the shape of each surface portion, the operation of attaching the seal member to each surface portion can be completely automated, and the working efficiency can be greatly increased. it can.

The present invention can be applied to a modification or a modification of the above embodiment without departing from the gist of the invention.

[0049]

[Brief description of the drawings]

FIG. 1 is a plan view showing an overall configuration of a label attaching system according to an embodiment.

FIG. 2 is a side view of FIG.

FIG. 3 is a side view showing a detailed structure of the seal suction finger shown in FIGS. 1 and 2;

FIG. 4 is a view of the suction finger shown in FIG. 3 as viewed from below.

FIG. 5 is a view of the seal suction finger shown in FIG. 3 as viewed from the left side.

FIG. 6 is a side view illustrating a configuration of a second label attaching device.

FIG. 7 is a diagram illustrating an example of a sticking operation of a seal member according to a workpiece shape.

FIG. 8 is a diagram illustrating an example of a sticking operation of a seal member according to a workpiece shape.

FIG. 9 is a diagram illustrating an example of a sticking operation of a seal member according to a workpiece shape.

FIG. 10 is a diagram illustrating an example of a sticking operation of a seal member according to a workpiece shape.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 20 ... 1st label sticking apparatus 30 ... 2nd label sticking apparatus 40 ... Seal supply apparatus 50 ... Conveyor 51 ... Positioning conveyance jig 60, 61 ... Stand 70 ... Horizontal positioning part S ... Seal member W ... Work

Claims (11)

[Claims] 1. A label sticking apparatus for sticking a seal member having an adhesive layer formed on a back surface to a predetermined portion of a work, wherein the predetermined portion of the work includes a plurality of continuous surface portions including an acute angle, and Supply means for supplying a seal member having a length corresponding to the surface part; transfer means for transferring and attaching the supplied seal member to a part of a plurality of surface parts; and a remaining surface part for the remaining part of the seal member. And a sticking means for sticking to each of the labels. 2. The label sticking apparatus according to claim 1, wherein the transfer unit holds the seal member by vacuum suction. 3. The label sticking apparatus according to claim 1, wherein said sticking means has a roller means for pressing said seal member against each surface portion. 4. The label sticking apparatus according to claim 1, wherein the supply unit cuts the seal member fed from a tape reel into a length corresponding to the plurality of continuous surface portions. 5. The roller means comprises: a roller rotatably supported by a roller; a moving means for moving the roller in the front-rear direction; a rotating means for rotating the roller in a rotating direction; and a rotating direction of the roller. 2. The label sticking apparatus according to claim 1, further comprising an adjusting unit that regulates an amount of movement of the roller, and an urging unit that urges the roller in a rotation direction. 6. The label according to claim 1, wherein the transfer unit has a positioning unit, and an adaptation member that adapts the positioning unit to a reference position on a part of the plurality of surface portions is provided. Sticking device. 7. A label sticking method for sticking a seal member having an adhesive layer formed on a back surface to a predetermined portion of a work, wherein the predetermined portion of the work includes a plurality of continuous surface portions including an acute angle, and A supplying step of supplying a sealing member having a length corresponding to the surface portion; a transferring step of transferring and supplying the supplied sealing member to a part of a plurality of surface portions; and a remaining surface portion of the remaining sealing member. And a sticking step of sticking the labels respectively. 8. The label sticking method according to claim 7, wherein in the transfer step, the seal member is held by vacuum suction. 9. The label sticking method according to claim 7, wherein in the sticking step, the seal member is pressed against each surface by a roller. 10. The label sticking method according to claim 7, wherein, in the supplying step, the seal member fed from a tape reel is cut into a length corresponding to the plurality of continuous surface portions. 11. The label sticking method according to claim 7, wherein in the transfer step, a positioning unit is adapted to a conforming member provided at a reference position on a part of the plurality of surface parts.