JP3341480B2 - Sticker sticking method and device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sticker sticking method and a sticker sticking method for sticking a sticker to a sticking position of a sticking object such as a car body.

[0002]

2. Description of the Related Art First, a sheet 101 forming a sticker will be described before a conventional sticking method of sticking the sticker to a body of an automobile, for example, is described.
12 and 13, the sticker 103, the surface release paper 105, and the first back release paper 1
07, the second back release paper 109.

An operator peels off the first back release paper 107 from the sheet 101. The sheet 101 from which the first back release paper 107 has been peeled off is applied to the sticking position 113 of the vehicle body 111 as shown in FIG. 14, and the second back release paper 109 as shown in FIG. Then, the surface release paper 105 is peeled off, and only the sticker 103 is attached to a predetermined position.

Further, when an air reservoir 115 is formed between the sticker 103 and the surface of the vehicle body 111 as shown in FIG. 16, the air reservoir 115 is rubbed using a squeegee 117 to remove the air reservoir 115. Carry it out of the sticker 103. A sticker sticking method including a series of such operations is known.

[0005]

By the way, the above-mentioned prior art sticking method by the worker uses the sticker 10.
3 and the surface of the vehicle body 111 may form an air pool 115, and if the air pool 115 is formed, the squeegee 1
17 must be carried out. Also,
Since the sheet 101 serves as a positioning jig for the sticker 103, the sheet 101 is excessively larger than the sticker 103, resulting in higher cost.

An object of the present invention is to prevent air pockets from being generated when a sticker is attached to an object to be attached, to eliminate waste of a sheet to which the sticker is attached, and to operate easily and easily. It is an object of the present invention to provide a sticker sticking method and a sticker sticking method which are easy to remove.

[0007]

According to a first aspect of the present invention, there is provided a sticker sticking method according to the first aspect of the present invention, wherein the sticker is placed on a sticker holding plate provided in a suction pad to be sucked. Peel the release paper from the back, set the elastically deformable lip provided on the suction pad at the position where the sticking object is to be stuck, and let the suction pad stick to the sticking object, and then evacuate the inside of the suction pad. Then, after the sticker is pressed to the position where the object to be pasted is adhered, the sticker is adhered to the object by releasing the inside of the suction pad to the atmosphere.

According to a second aspect of the present invention, in the sticker attaching method according to the first aspect, the sticker is placed on a sticker holding plate so as to fit in an elastically deformable sticker guide member. It is a feature.

According to a third aspect of the present invention, in the sticker attaching method according to the first aspect of the present invention, the back release paper is peeled off from the sticker, and the sticker is attached before the sticker is attached to the object to be attached. It is characterized in that dust or the like on the surface of the attachment position of the attachment object is blown off by air blow.

According to a fourth aspect of the present invention, there is provided a sticker sticking apparatus according to the present invention, wherein a main body frame having a sticker holding suction hole, an air blow, and a vacuum evacuation hole is communicated with the sticker holding suction hole provided below the main body frame. A sticker holding plate having a hole, a suction pad provided with an elastically deformable lip provided on the outer periphery of the main body frame, one end connected to the sticker holding suction hole, and the other end connected to a vacuum source. A suction connection pipe for holding a sticker connected to the suction pipe, one end of which is connected to the air blow and evacuation hole, and the other end of which is connected to a first connection part in the middle of the suction connection pipe for holding the sticker. A connecting pipe is provided, and a first opening / closing valve is provided in the middle of the sticker holding suction connecting pipe between the first connecting portion and the vacuum source. In the middle of the sticker holding suction connection pipe between the first connection portion and the end portion with kicking
A first pipe connected to one end and connected to a second opening / closing valve for releasing the atmosphere to the other end is provided.

According to a fifth aspect of the present invention, in the sticker attaching apparatus according to the fourth aspect of the present invention, there is provided the sticker attaching apparatus according to the fourth aspect of the present invention.
A second pipe having one end connected to the connection part and the other end connected to the dry air source is provided, and a third opening / closing valve is provided in the middle of the second pipe, and the first connection part and the second connection part are connected to each other. Between the air blow and vacuum connection pipe
An open / close valve is provided.

According to a sixth aspect of the present invention, there is provided the sticker attaching apparatus according to the fourth aspect, further comprising a synchronous hanger for moving the suction pad in synchronization with the movement of the object to be attached. It is a feature.

[0013]

According to the sticker sticking method of the present invention as described above, the sticker is placed on the sticker holding plate in the suction pad and sucked. Peel the back release paper from the sticker held on the sticker holding plate. Then, the lip provided on the outer periphery of the suction pad is set at the position where the object to be pasted is attached, and the suction pad is made to adhere to the object to be pasted. Next, the inside of the suction pad is evacuated and the sticker is pressed to the sticking position of the object to be stuck. Then, by releasing the inside of the suction pad to the atmosphere, the sticker is attached to the object to be attached.

Therefore, since the sticker is attached while the inside of the suction pad is evacuated, the sticking is performed without generating an air pocket between the sticker and the surface of the object to be attached. Since the lip of the suction pad serves as a positioning jig, the sheet is not wasted and the cost is reduced.

According to the sticker sticking method of the second aspect, the sticker is placed on the sticker holding plate so as to be accommodated in the elastically deformable sticker guide member. Put on top.

According to the sticker sticking method according to the third aspect, dust or the like adhering to the surface of the sticking object is automatically removed by the action of air blow.

According to the sticker sticking apparatus of the present invention according to the fourth aspect of the present invention, a simple operation in which the worker holds the suction pad at the sticking position of the object to be stuck and sucks the lip at the sticking position. Operation can be performed easily.

According to the sticker sticking device of the fifth aspect, the operations of air blowing, vacuuming and suction can be easily performed.

According to the sticker sticking apparatus of the sixth aspect, the suction pad is moved by the synchronous hanger in synchronization with the movement of the sticking object.

[0020]

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

Referring to FIG. 1 and FIG. 2, the sticker attaching apparatus 1 includes a suction pad 3 and the suction pad 3.
For example, when the sticker is attached to the vehicle body by adsorbing the sticker on the vehicle body as an object to be attached, the sticker 3 is configured to synchronize the suction pad 3 with the movement of the vehicle body.

The synchronous hanger 5 is provided with a plurality of rotatable wheels 7. The wheels 7 are guided by guide rails 9 extending in the left-right direction in FIG. The synchronous hanger 5 is provided with an auto return mechanism. The auto return mechanism includes, for example, a self-propelled drive motor, a pinion connected to the drive motor, a rack meshed with the pinion, and the like. When the synchronous hanger 5 moves synchronously and the suction pad 3 comes off the vehicle body, the drive motor provided on the synchronous hanger 5 is driven, and the pinion moves along the rack and returns to the original position. The auto return mechanism may be another moving mechanism such as a cylinder or a ball screw.

The suction pads 3 have air blow / vacuum hoses 11 and 1 serving as air blow / vacuum connecting pipes.
3 is connected to one end of the sticker holding suction hose 15 as a sticker holding suction connection pipe. The air blow / vacuum hoses 11 and 13 and the suction hose 15 for holding the sticker are bundled by a flexible hose and inserted into an insertion tube 17 provided in the synchronous hanger 5. The other end of the sticker holding suction hose 15 is connected to, for example, a vacuum pump 19 as a vacuum source.

The other end of the air blow / vacuum hose 11 is connected in the middle of the air blow / vacuum hose 13 as shown in FIG. The other end of the air blow / vacuum hose 13 is connected to a first connecting portion C1 in the middle of the sticker holding suction hose 15. A first opening / closing valve V1 is provided in the middle of the sticker holding suction hose 15 between the first connecting portion C1 and the vacuum pump 19. Another fifth opening / closing valve V5 is provided halfway between the first connecting portion C1 and the sticker holding suction hose 15 at one end. Also,
One end of the first pipe 21 is connected to the middle of the sticker holding suction hose 15, and a second opening / closing valve V 2 for opening to the atmosphere is connected to the other end of the first pipe 21. One end of a pipe 23 is connected to a part of the sticker holding suction hose 15 near the suction pad 3, and a vacuum gauge 25 is connected to the other end of the pipe 23.

One end of a second pipe 27 is connected to the second connecting portion C2 in the middle of the air blow and vacuuming hose 13, and a dry air source 29 is connected to the other end of the second pipe 27. ing. In addition, a third opening / closing valve V3 is provided in the middle of the second pipe 27, and an air blowing and vacuum opening hose 13 between the first connecting portion C1 and the second connecting portion C2 is provided in the middle of the fourth opening / closing valve V4. Is provided.

In the middle of the air blow and evacuation hose 13 between the one end and the second connecting portion C2, a pipe 31 is provided.
And a pressure gauge 23 is connected to the other end of the pipe 31. Further, the sticker attaching device 1 is provided with a control device 35 for controlling each drive motor and each of the opening / closing valves V1 to V5.

As shown in FIGS. 3 and 4, the suction pad 3 has a main body frame 37. The main body frame 37 has a sticker holding suction hole 39 which penetrates vertically and an air blower. Vacuum holes 41, 43
Is formed. The upper end of the sticker holding suction hole 39 is connected to one end of the sticker holding suction hose 15. Air blow / vacuum holes 41, 4
The upper end of 3 is the air blow / vacuum hose 13, 11
Is connected to one end.

A sticker holding plate 45 is provided on the lower surface of the main body frame 37 substantially at the center. The sticker holding plate 45 is provided with a plurality of holes 47 communicating with the sticker holding suction holes 39. For example, a sticker guide rubber 49 as an elastically deformable sticker guide member is provided on the lower surface of the body frame 37 at the four outer peripheral corners of the sticker holding plate 45. Furthermore, the body frame 37
An elastically deformable lip 51 is provided on an outer periphery of the lip 51, and an outer periphery of an upper end of the lip 51 is fastened to the main body frame 37 by a pad fastening band 53.

The operation of attaching the sticker S to the car body C as the object to be attached by using the suction pad 3 with the above configuration will be described. First, as shown in FIG. It is put on the sticker holding plate 45 so as to fit in 49 and is held. The back release paper is peeled from the sticker S held by the sticker holding plate 45.

Next, as shown in FIG. 6, the vacuum pump 19 is operated to draw air from the plurality of holes 47 as indicated by arrows, thereby causing the sticker S to be adsorbed on the sticker holding plate 45 and dry air Source 29
To blow air downward as indicated by the arrows from the air blow / vacuum holes 41 and 43 to blow off dust and dust H at the sticking position on the surface of the vehicle body C to the outside by air blow.

As shown in FIG. 7, the suction pad 3
The lip 51 is set in the pasting position of the vehicle body C in accordance with other parts or the like as a reference in advance, and the start button is pressed. That is, when the evacuation start and the synchronous movement start with the vehicle body C are performed, the suction pad 3 is sucked to the vehicle body C. After the suction, the operator releases the suction pad 3. More specifically, the inside of the suction pad 3 is evacuated from the air blow / vacuum holes 41 and 43 so that the suction pad 3 is adsorbed on the vehicle body C. Thereafter, the suction pad 3 is synchronized with the vehicle body C.

As shown in FIG. 8, the suction pad 3
When the internal pressure decreases, the sticker guide rubber 49 of the suction pad 3 comes into contact with the surface of the vehicle body C. By changing the hardness and the shape of the sticker guide rubber 49, the degree of vacuum in the suction pad 3 at the time of sticking the sticker can be adjusted.

As shown in FIG. 9, the sticker S
Is attached to the surface of the vehicle body C in a vacuum state. That is, when the inside of the suction pad 3 reaches the set vacuum pressure, the sticker guide rubber 49 is crushed, and the sticker S is pressed against the vehicle body C in a vacuum state and the sticker S is attached. As shown in FIG. 10, when the set degree of vacuum is reached, the inside of the suction pad 3 is released to the atmosphere, so that the lip 51 acting as a sticking jig is separated from the vehicle body C and the lip 51 shown in FIG. Return to original position. When returning to the origin position, the automatic return mechanism is driven to perform the operation. Thereafter, by repeating the above operation, the stickers S are successively displayed on the vehicle body C.
Will be pasted on.

Next, the operation will be described in more detail with reference to the flowchart shown in FIG. 11. In step S1, the sticker S is set on the sticker holding plate 45. In step S2, an airtightness check is performed. If the airtightness is not perfect, the process returns to step S1. , The fifth on-off valves V1, V2, V5 are open and the second and fourth on-off valves V2, V4 are closed.

In this state, air is sucked by the plurality of holes 47, the sticker holding suction holes 39 and the sticker holding suction hoses 15, and the air blow / vacuum drawing hose 1 is used.
Air is injected from the air blow / vacuum holes 41 and 43 through the air holes 1 and 13, and dust H such as dust and dirt is removed from the surface of the vehicle body C in step S3 (the state of FIG. 6).

When the start button is pressed in step S4, a switch ON signal is sent to the control device 51, and the control device 51 causes the first, fourth, and fifth opening / closing valves V1, V
4, V5 are opened and the second and third opening / closing valves V2, V3
Closes. Further, a synchronization start signal operates.

In this state, the suction pad 3 is set on the surface of the vehicle body C in step S5 (the state shown in FIG. 7).
In step S6, the airtightness in the suction pad 3 is checked.
If the airtightness is not complete, the process returns to step S5, and if there is no airtightness, the process proceeds to step S7. Step S7
Then, the sticker S is attached to the surface of the vehicle body C (the state of FIGS. 8 and 9).

At step S8, the degree of vacuum is checked. If there is a problem with the degree of vacuum, it is determined at step S9 whether or not to retry. If it is necessary to perform a retry, the process returns to before step S5. If there is no need to retry, proceed to the next step.

If there is no problem in the degree of vacuum in step S8,
When the sticker sticking completion signal is sent to the control device 35, the control device 35 causes the second, fourth, and fifth opening / closing valves V
2, V4 and V5 open and the first and third on-off valves V
1, V3 is closed and the inside of the suction pad 3 is opened to the atmosphere.

In step S10, the suction pad 3 is separated from the vehicle body C (the state shown in FIG. 10). At this time, the controller 35 opens the first and fifth opening / closing valves V1 and V5 and closes the second, third and fourth opening / closing valves V2, V3 and V4. Further, the synchronization end signal operates, and the suction pad 3 is returned to the original position.

As described above, since the sticker S is attached in a state where the inside of the suction pad 3 is evacuated, it is possible to attach the sticker S to the vehicle body C without generating air pockets between the sticker S and the vehicle body C. it can. In addition, since the lip 51 of the suction pad 3 serves as a positioning jig, the sheet is not wasted, and the cost can be reduced. Further, dust or the like adhering to the surface of the vehicle body C can be automatically removed by air blow.

An elastically deformable sticker guide rubber 49
By changing the shape and material of the sticker, the degree of vacuum at the time of sticking the sticker can be adjusted. A simple operation is sufficient for the operator to cause the lip 51 of the suction pad 3 to be sucked to the sticking position of the vehicle body C, and the operation can be easily performed.

The apparatus of the piping system for performing air blow, evacuation and suction is simplified, and the switching operation can be performed automatically. By operating the synchronous hanger 5, the suction pad 3 can be moved in synchronization with the vehicle body C. Moreover, the suction pad 3 can be automatically returned to the original position after the sticker S is attached by the auto return mechanism.

The present invention is not limited to the embodiment described above, but can be embodied in other modes by making appropriate changes.

[0045]

As will be understood from the above description of the embodiment, according to the first aspect of the present invention, the sticker is attached while the inside of the suction pad is evacuated. The sticker can be attached to the object to be applied without generating air pockets between the surfaces of the object. Since the lip of the suction pad serves as a positioning jig, the waste of the sheet is eliminated and the cost can be reduced.

According to the second aspect of the present invention, the sticker is placed on the sticker holding plate so as to be accommodated in the elastically deformable sticker guide member.
The sticker can be reliably placed on the sticker holding plate.

According to the third aspect of the invention, dust and the like adhering to the surface of the object to be pasted can be automatically removed by air blow.

According to the fourth aspect of the present invention, it is only necessary for the operator to hold the suction pad at the position where the object to be pasted is adhered and to simply adsorb the lip to the position where the object is to be adhered. Can be done.

According to the fifth aspect of the present invention, the operations of air blow, evacuation and suction can be easily performed.

According to the invention of claim 6, the suction pad can be moved in synchronization with the movement of the object to be pasted by the operation of the synchronous hanger.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a sticker sticking device of the present invention.

FIG. 2 is an explanatory diagram for moving a suction pad in the sticker attaching device.

FIG. 3 is an enlarged front view of a suction pad.

FIG. 4 is a bottom view in FIG. 3;

FIG. 5 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 6 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 7 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 8 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 9 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 10 is an explanatory diagram of an operation of attaching a sticker by the sticker attaching device.

FIG. 11 is a flowchart illustrating an operation of attaching a sticker by the sticker attaching device.

FIG. 12 is a rear view of a sheet constituting a conventional sticker.

FIG. 13 is an arrow view along the line XIII-XIII in FIG. 12;

FIG. 14 is an explanatory diagram of an operation of attaching a conventional sticker.

FIG. 15 is an explanatory diagram of an operation of attaching a conventional sticker.

FIG. 16 is an explanatory diagram of an operation of attaching a conventional sticker.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Sticker sticking apparatus 3 Suction pad 5 Synchronous hanger 11,13 Air blow / vacuum hose (air blow / vacuum connecting pipe) 15 Sticker holding suction hose (sticker holding pipe) 19 Vacuum pump (vacuum source) 21 1st Connecting pipe 27 Second connecting pipe 29 Dry air source 35 Controller 37 Body frame 39 Sticker holding suction hole 41, 43 Air blow / vacuum drawing hole 45 Sticker holding plate 47 Hole 49 Sticker guide rubber (sticker guide member) 51 Lip S Sticker C Car body (object to be pasted)

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65C 9/26 B29C 65/48

Claims (6)

(57) [Claims] 1. A sticker is placed on a sticker holding plate provided in a suction pad to be sucked, the back release paper is peeled off from the sticker, and an elastically deformable lip provided on the suction pad is attached. After the suction pad is attached to the object to be pasted and the sticker is adsorbed to the object to be pasted, then the inside of the suction pad is evacuated and the sticker is pressed to the position where the object to be pasted is adhered, and then the sticker is attached. A sticker sticking method characterized by sticking a sticker to an object to be stuck by releasing the inside to the atmosphere. 2. The sticker sticking method according to claim 1, wherein the sticker is placed on a sticker holding plate so as to fit in an elastically deformable sticker guide member. 3. The method according to claim 1, wherein the back release paper is peeled off from the sticker, and dust or the like on the surface of the sticking position of the sticking object is blown off by air blow before sticking the sticker to the sticking object. Item 7. The sticker attaching method according to Item 1. 4. A suction hole for holding a sticker, an air blow,
A main body frame having a vacuum evacuation hole, a sticker holding plate provided at a lower portion of the main body frame and having a hole communicating with the sticker holding suction hole, and an elastically deformable lip provided on an outer periphery of the main body frame. Provided with a suction pad provided, and one end connected to the sticker holding suction hole, and a sticker holding suction connection pipe having the other end connected to a vacuum source, and one end connected to the air blow and vacuum drawing hole. And an air blow and vacuum connection pipe having the other end connected to a first connection part of the suction connection pipe for holding the sticker, and a suction connection pipe for holding the sticker between the first connection part and the vacuum source. A first opening / closing valve is provided in the middle, and one end is connected in the middle of the sticker holding suction connecting pipe between the first connecting portion and the one end. The second and the other end for the air opening with
A sticker sticking device comprising a first pipe connected to an opening / closing valve. 5. A second pipe having one end connected to a second connection part in the middle of the air blow and evacuation connection pipe and the other end connected to a dry air source, and a third pipe provided in the middle of the second pipe. 5. The sticker sticking device according to claim 4, wherein an opening / closing valve is provided, and a fourth opening / closing valve is provided in the middle of the air blow / vacuum connecting pipe between the first connecting portion and the second connecting portion. . 6. The sticker sticking apparatus according to claim 4, further comprising a synchronization hanger for moving the suction pad in synchronization with the movement of the object to be stuck.