JPH08292433A - Method and device for peeling tacky adhesive film - Google Patents

Abstract

PURPOSE: To prevent the formation of stripe patterns on the adhesive surface of an adherend by stripping the tacky adhesive film in one corner part of the adhesive surface of the adherend and taking up the tacky adhesive film while pinching the stripped part and rotating this part constantly in a peeling direction. CONSTITUTION: A cutter is inserted between the adherend 2 and the tacky adhesive film 3 and the adherend is stripped and is raised to about 45 deg. with both. Next, the tacky adhesive film 3 is set on a panel set stage 1 so as to be exposed on the outside surface and this panel set stage 1 is set on a mounting plate 4 so as to incline 45 deg. with the forward and backward moving direction of the mounting plate 4. At this time, a connecting block 16 is moved by its own weight and is brought near to the panel set stage 1, by releasing the fixing of a cylinder 23. Next, the tacky adhesive film 3 is moved to the surface of holding pieces and is held when the cylinder 23 moves from an extrusion side and comes to a stroke end. The panel set stage 1 and a peeling roller 18 are thereafter moved and the film 3 is peeled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure-sensitive adhesive film peeling method and device for peeling a pressure-sensitive adhesive film attached to an adhesive surface of an adherend.

[0002]

2. Description of the Related Art Heretofore, as an adhesive film peeling apparatus of this kind, for example, a peeling apparatus for rotating an adhesive roller to wind up and peeling the adhesive film and a peeling apparatus for peeling the adhesive film with an adhesive tape are known. A peeling device utilizing the adhesive force of this adhesive roller is disclosed in Japanese Patent Application Laid-Open No. 4-32524.
No. 7, JP-A-5-273508, and a peeling device utilizing the adhesive force of an adhesive tape are disclosed in JP-A-5-27.
It is disclosed in Japanese Patent No. 3413.

Incidentally, the description of the apparatus for rotating the adhesive roller to remove the adhesive film causes the same problem, and therefore, only Japanese Patent Application Laid-Open No. 4-325247 will be described.

First, the peeling device disclosed in Japanese Patent Laid-Open No. 4-325247 is constructed as shown in FIG. 37. In FIG. 37, a polarizing plate 52 is mounted on a suction stage 51 by suction. A separate film (adhesive film in the present invention) 53 is attached to the polarizing plate 52. A separate film 53 is provided on one end side of the suction stage 51.
A cylindrical adhesive roller 54, which is slightly wider than the polarizing plate 52 to which is attached, is attached perpendicularly to the longitudinal direction of the polarizing plate 52, and is rotated by a motor 55. The adhesive roller 54 includes a vertical slider 56 and a feeding slider 57.
Drive in the directions X +, X-, Y +, Y- shown in FIG.

Discharge rollers 58 and 59 are rotatably attached to the other end of the suction stage 51, and the discharge roller 58 is rotated by a motor 60, and the discharge roller 59 is synchronized with the discharge roller 58. Rotates.

Japanese Unexamined Patent Publication No. 4-32, which is constructed as described above.
In the adhesive film peeling apparatus of Japanese Patent No. 5247, the polarizing plate 52 is placed on the suction stage 51 so that the surface of the separate film 53 which is not attached is suction-held. Then, as shown in FIG. 37, the feeding slider 57 causes the adhesive roller 54 to move to the upper end of the base end of the polarizing plate 52 in the X + direction and temporarily stop, and then the motor 55 causes the adhesive roller 54 to move in the direction of arrow Q shown in FIG. While rotating in the direction, the vertical slider 56 lowers it toward the base end of the polarizing plate 52, that is, in the Y-direction to bring the adhesive roller 54 into contact with the separate film 53 of the polarizing plate 52 and slightly press it.

Next, while rotating the adhesive roller 54,
The separate film 53 is wound around the adhesive roller 54 by moving it in the X + direction by the feeding slider 57.

The peeling device disclosed in Japanese Patent Laid-Open No. 5-273413 is shown in FIG. 38. In FIG. 38, one corner 63 of a protective film (adhesive film in the present invention) 62 on a polarizing plate 61 is shown. A peeling tape 64 of a predetermined size is fixed in a diagonal direction across the ridge, is pulled at a predetermined angle, and is pulled at a predetermined initial speed and the polarizing plate 61 is rotated in the opposite direction to the pulling direction, so that the protective film 62 has a corner portion. The protective film 62 is certainly lifted from 63 and the protective film 62 is gradually peeled from the polarizing plate 61 by pulling the peeling tape 64.

However, in the peeling device configured as described above, since the adhesive film is peeled off by utilizing the adhesive force of the adhesive roller 54 or the adhesive tape 64 itself, the adhesive force of the adhesive roller 54 or the adhesive tape 64 is increased. When a laminated film (adhesive film) or the like having a relatively weaker adhesive force is peeled off, the laminated film can be peeled off from the polarizing plate, but is stronger than the adhesive force of the adhesive roller 54 or the adhesive tape 64, for example, There is a problem that the polarizing plate firmly attached to the liquid crystal display panel cannot be peeled off.

Therefore, the peeling device used when peeling the polarizing plate from the liquid crystal display panel is shown in FIGS.
0 and is configured as shown in FIG.
0, a base 7 made of a conductive sheet for placing a liquid crystal display panel 72 to which a polarizing plate 71 is attached.
3 and a peeling jig 74 for peeling the polarizing plate 71 are provided, and the peeling jig 74 is formed by a cylindrical first rod portion 75 and a second rod portion (hereinafter, referred to as a handle) 76. An insertion groove 77 for inserting the polarizing plate 71 is formed penetratingly formed on the side surface of the first rod portion 75.

In the peeling device having the above-mentioned structure, the liquid crystal display panel 72 is placed on the base 73, and the liquid crystal display panel 7 is provided.
The one corner portion 71a of the polarizing plate 71 separated from the No. 2 is inserted into the insertion groove 77 of the first rod portion 75, and the handle 76 is held, and as shown in FIG.
The polarizing plate 71 is gradually peeled from the liquid crystal display panel 72 by rotating it in the direction of arrow R shown in FIG.

[0012]

However, the pressure-sensitive adhesive film peeling device configured as described above uses the pressure-sensitive adhesive force of the pressure-sensitive adhesive roller 54 or the pressure-sensitive adhesive tape 64 itself to peel the pressure-sensitive adhesive film. When a laminated film (adhesive film) or the like having a relatively weaker adhesive strength than the adhesive force of the adhesive tape 54 or the adhesive tape 64 is peeled off, the laminated film can be peeled off from the polarizing plate. There is a problem that a polarizing plate having a stronger adhesive force than an adhesive force, for example, a polarizing plate firmly attached to a liquid crystal display panel cannot be peeled off.

On the other hand, in the peeling device used for peeling the polarizing plate from the liquid crystal display panel, when peeling the polarizing plate from the liquid crystal display panel by hand, the peeling speed is not constant and the adhesive surface of the liquid crystal display panel is not fixed. The adhesive partially remains to form a striped pattern, and if the portion is in the display area, display unevenness occurs. In addition, it takes time and effort to insert the polarizing plate 71 into the insertion groove 77 of the peeling jig 74, and the workability is poor. Further, since the polarizing plate 71 is not fixed only by inserting it into the insertion groove 77, during peeling. In addition, there is a problem that the polarizing plate 71 comes off from the insertion groove 77 and is difficult to peel off.

The pressure-sensitive adhesive film peeling method and apparatus of the present invention solves the above-mentioned problems, and it is possible to prevent a striped pattern from being formed on the adhesive surface of the adherend due to the variation of the peeling speed, and to adhere the adherend. An object of the present invention is to provide a pressure-sensitive adhesive film peeling method and device capable of peeling a pressure-sensitive adhesive film or the like from an adherend at a constant peeling speed without depending on the adhesive force between the surface and the pressure-sensitive adhesive film. .

[0015]

The invention according to claim 1 for achieving the above object is an adhesive film peeling method for peeling an adhesive film or the like attached to an adhesive surface of an adherend, wherein This is a peeling method in which the adhesive film at one corner of the adhesive surface of the body is peeled off, the peeled part is sandwiched, and the adhesive film is rolled up and peeled while being rotated in the peeling direction at a constant speed.

According to a second aspect of the present invention, in a pressure-sensitive adhesive film peeling device for peeling a pressure-sensitive adhesive film or the like attached to an adhesive surface of an adherend, the adherend is held with the pressure-sensitive adhesive film exposed on the outer surface. Holding means and a peeling means for sandwiching the pressure-sensitive adhesive film peeled off from one corner of the adhesive surface of the adherend and for peeling by winding the pressure-sensitive adhesive film while rotating it in the peeling direction at a constant speed.

According to a third aspect of the present invention, in a pressure-sensitive adhesive film peeling device for peeling a pressure-sensitive adhesive film or the like attached to an adhesive surface of an adherend, the adherend is held with the pressure-sensitive adhesive film exposed on the outer surface. Holding means and a peeling means for sandwiching the pressure-sensitive adhesive film peeled from one corner of the adhesive surface of the adherend, and peeling by winding the pressure-sensitive adhesive film while rotating the peeling direction at a constant speed, and the above-mentioned peeling means. Pressing means for pressing the adherend to prevent it from floating out of the holding means when winding the adhesive film, and absorption for absorbing / releasing stress generated in the adherend during peeling of the adhesive film And mitigation means.

According to a fourth aspect of the present invention, in the structure according to the third aspect, the pressing means is a roller mechanism having a cushioning material such as rubber on at least the roller surface.

According to a fifth aspect of the present invention, in the structure according to the third aspect, the absorption mitigating means is a rotation mechanism that rotatably supports the holding means, an elevating mechanism that elevates and lowers the rotating mechanism, and the elevating mechanism. Is constituted by a biasing mechanism for biasing with a constant force.

According to a sixth aspect of the present invention, in the structure according to the second or third aspect, there is provided static elimination means for blowing static elimination air to the adherend and the boundary portion between the adherend and the adhesive film.

According to a seventh aspect of the present invention, in the structure according to the second or third aspect, a rotating means for rotating the peeling means in a direction opposite to the peeling direction is provided.

According to an eighth aspect of the present invention, in the structure according to the second or third aspect, at the time of sandwiching the adhesive film peeled off from one corner of the adhesive surface of the adherend, at least the adhesive film is brought into contact with the adhesive film. A rubber portion is provided at the peeling means.

According to a ninth aspect of the present invention, in the structure according to the second or third aspect, the adhesive film peeled off from one corner portion of the adhesive surface of the adherend by the peeling means is sandwiched, and the corner film is peeled from the corner portion. When the adhesive film is wound and peeled in a diagonal direction, the peeling direction of the adhesive film is the 45 ° direction of the one corner portion, and the area of the adhesive film which is directly contacted by the peeling means and wound. AA
The area AB of the adhesive film that is wound up without contacting with is AA ≧ AB.

As described above, according to the first aspect of the invention, the adhesive film at one corner of the adhesive surface of the adherend is peeled off,
By sandwiching the peeled adhesive film and winding the adhesive film while rotating it in the peeling direction at a constant rate, the peeling speed is constant without being affected by the adhesive force between the adhesive surface of the adherend and the adhesive film. The adhesive film or the like can be peeled off from the adherend, and even if the adhesive force between the adhesive surface of the adherend and the adhesive film is strong, it can be easily peeled off without any time and effort.

Further, for example, when a polarizing plate attached to a liquid crystal display panel is peeled off, a striped pattern is formed on the liquid crystal display area surface of the liquid crystal display panel due to variations in the peeling speed, which does not affect the display.

According to a second aspect of the present invention, the adherend is held by the holding means in a state where the adhesive film is exposed to the outside,
By sandwiching the adhesive film that has been peeled off from the corners of the adhesive surface of the adherend by the peeling means, by winding the adhesive film while rotating the peeling means in the peeling direction at a constant speed,
It is possible to provide an adhesive film peeling device that achieves the same effect as in claim 1 and also produces the same effect.

According to a third aspect of the present invention, in the above-mentioned second aspect of the invention, when the adhesive film is wound by the peeling means, the adherend is pressed by the pressing means so as to rise from the holding means. If the adhesive force between the adhesive surface of the adhesive and the adhesive film is strong, the adhesive will float around the corner of the corner of the adherend that is being peeled off by peeling means. Never rises. Therefore, the diagonal force of the adherend is not chipped or broken by the force of bending the adherend.

Further, by absorbing / relaxing the stress of the adherend generated during the peeling by the absorbing / relaxing means, the adherend is not deformed by the pressing force of the pressing means.

According to a fourth aspect of the invention, in the invention according to the third aspect, the pressing means is a roller mechanism having a cushioning material such as rubber on at least the roller surface, so that the pressing means can contact the adherend. It is possible to prevent the adherend from being scratched by being softened and brought into contact with the pressing means.

According to a fifth aspect of the present invention, in the above-described third aspect, the absorption relaxation means includes a rotation mechanism that rotatably supports the holding means, an elevating mechanism that elevates and lowers the rotating mechanism, and the elevating mechanism. When the stress generated during peeling is concentrated on one point of the adherend, the rotating mechanism tilts the holding means in all directions and the lifting mechanism Since the rotating mechanism can be moved up and down, the stress generated in the adherend can be relieved.

According to a sixth aspect of the present invention, in the above-mentioned second or third aspect of the present invention, static elimination air is blown to the adherend and the boundary portion between the adherend and the adhesive film by means of static elimination means, It is possible to reduce static electricity generated by peeling the adhesive film from the adherend.

According to a seventh aspect of the present invention, in the above-mentioned second or third aspect of the invention, when the adhesive film is wound by the peeling means, the final end of the wound adhesive film is gripped and the rotating means is used. By rotating the peeling means in the direction opposite to the peeling direction, the adhesive film can be easily removed from the peeling means.

The invention according to claim 8 is the invention according to claim 2 or 3, wherein the adhesive film is sandwiched between the rubber portions of the peeling means to improve the adhesiveness with the adhesive film and to increase the friction resistance. Since it becomes high, the adhesive film does not come off from the peeling means during peeling.

According to a ninth aspect of the present invention, in the invention according to the second or third aspect, an adhesive film at one corner of the adhesive surface of the adherend that has been peeled off by the peeling means is sandwiched,
When the adhesive film is rolled up in a diagonal direction from the one corner portion and is peeled off, the peeling direction of the adhesive film is approximately 4 of the one corner portion.
The area A of the pressure-sensitive adhesive film which is wound by being directly abutted by the peeling means while positioning one end of the peeling means in the 5 ° direction
The area AB of the pressure-sensitive adhesive film wound up without contacting A is AA ≧ AB. Therefore, when the adherend is a liquid crystal display panel, for example, electric components are mounted on the periphery of the liquid crystal display panel. The substrate is TCP (Tape Carrier Pac
The electrical parts are prevented from being pressed and broken by the peeling means as much as possible.

[0035]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the adhesive film peeling method and apparatus of the present invention will be described below in detail with reference to FIGS. 1 to 35. The first embodiment of the adhesive film peeling device of the present invention is configured as shown in FIGS. 1 to 12, and in FIGS. 1 to 12, 1 is a panel set stage, and 1 is a panel set stage. An adherend (polarizing plate, liquid crystal display panel, etc.) 2 is set. The adherend 2
Is held in a state in which the adhesive film (laminate film, polarizing plate, etc.) 3 attached to the adhesive surface of the adherend 2 shown in FIG. 18 is exposed to the outer surface.

Reference numeral 4 is a mounting plate to which the panel set stage 1 is removably mounted.
Has a reverse concave feed slider 5 for reciprocating the mounting plate 4 in the direction of arrow A shown in FIG.

Reference numeral 6 denotes a peeling device base.
Two supporting portions 7 are provided within the reciprocating range of the mounting plate 4, and the feeding slider 5 is provided at each of the tips of the supporting portions 7.
A convex rail portion 8 for fitting with is provided up to the reciprocating range of the mounting plate 4. Then, by fitting the traveling sliders 5 into the respective rail portions 8, the mounting plate 4 becomes reciprocally movable.

A drive motor 9 is attached to the peeling device base 6.
And the coupling 10 is attached to the rotary shaft 9a of the motor 9.
One end of the shaft 11 is connected via
The pinion 12 is attached to the other end, and the rack 13 that meshes with the pinion 12 is attached to the mounting plate 4 via the mounting member 14. By driving the drive motor 9, the mounting plate 4 can be moved. it can.

Further, a bearing 1 is attached to the shaft 11.
The lower end side of the connecting block 16 for holding the rotational force of the drive motor 9 without transmitting it by 5 is attached. A peeling roller 18 as a peeling means is attached to the upper end of the connecting block 16 via a bearing 17, and a holding mechanism 19 for holding the adhesive film 3 is provided at one end of the peeling roller 18.

A pulley 20 is attached to the other end of the peeling roller 18, and the pulley 20 and the pulley 21 attached to the shaft 11 are connected by a timing belt 22. As a result, the pulley 21 is rotated by being driven by the drive motor 9, the pulley 20 is rotated by the rotation of the pulley 21 via the timing belt 22, and the peeling roller 18 is rotated by the rotation of the pulley 20. .

Then, as shown in FIG. 2, one end of a cylinder 23 for vertically moving the peeling roller 18 is attached to the lower end of the connecting block 16, and the other end of the cylinder 23 is fixed to the peeling device base 6. By moving the cylinder 23 back and forth in the direction of arrow B shown in FIG. 2, the peeling roller 18 can move up and down in the direction of arrow C shown in FIG. Further, a static elimination block 24 is provided so as to blow static elimination air onto the adhesive film 3 and the boundary between the adherend 2 and the adhesive film 3.

As shown in FIG. 3, the holding mechanism 19 is mainly composed of two members, a fixed side holding piece 25 and a movable side holding piece 26, and the fixed side holding piece 25 and the movable side holding piece 26. The peeling roller 1 with the pin 27 using one end of
Attach to one end of 8.

A groove 28 as shown in FIGS. 4 and 5 is provided at one end of the fixed side holding piece 25 and the movable side holding piece 26, and a torsion coil spring 29 shown in FIG. 6 is inserted into the groove 28. The torsion coil spring 29 is fixed to the fixed side clamping piece 2.
5 and the movable-side clamping piece 26 are always opened.

A structure for closing the torsion coil spring 29 is provided at one end of the fixed side holding piece 25 and the movable side holding piece 26 as shown in FIGS.
First, on the other end side of the holding surface of the fixed side holding piece 25, as shown in FIGS. 7 and 8, a groove 30 is provided in the longitudinal direction of the fixed side holding piece 25, and screw holes 31 are provided at predetermined four positions. A hole 32 is provided at one end of the groove 30.

A compression spring 33 is inserted into the hole 32, and a hook block 34 having a hook piece 34a having a shape as shown in FIG. 9 is inserted into the groove 30. As a result, the hook block 34 is constantly pushed in the D direction shown in FIG. 7 by the compression spring 33 inserted in the hole 32.

When the hooking block 34 is pushed by the compression spring 33, the hooking block 34 is released from the other end of the groove 30. Therefore, the hooking piece 34a is inserted into the groove (not shown) of the pressing plate 35 to press down the hooking block 34. The screw holes (not shown) of the push plate 35 are aligned with the screw holes 31 and fixed by screws.

On the other hand, as shown in FIGS. 10 and 11, a groove of the fixed side holding piece 25 except the other end (tip) is provided on the other end side of the holding surface of the adhesive film 3 of the movable side holding piece 26. Three
The groove 36 is provided at a position facing 0, and the screw holes 37 are provided at two positions on the other end side, and the screw holes 37 (not shown) of the fixing plate 38 are aligned with the screw holes 37 and fixed by screws. .

Further, on the side of the holding surface which holds the adhesive film 3 between the fixed side holding piece 25 and the movable side holding piece 26,
A rubber plate 39, which is a rubber portion, is attached to prevent the adhesive film 3 from coming off during peeling. Therefore, when the adhesive film 3 is sandwiched by the sandwiching mechanism 19, the rubber plates 39 attached to both sides are in close contact with the adhesive film 3, so that the adhesive film 3 does not come off from the sandwiching mechanism 19 during peeling.

Next, the opening / closing operation of the holding mechanism 19 will be described with reference to FIG.
2 will be described in detail. In FIG. 12, the holding mechanism 1
When closing 9 (holding the adhesive film 3), first,
The movable side holding piece 26 has a pin 27 as a fulcrum, and a tip 34 of a hook block 34 protruding from the other end of the fixed side holding piece 25.
While pressing b in the direction of arrow F shown in FIG. 12 against the repulsive force of the compression spring 33, the movable side holding piece 25 is moved in the direction of arrow E shown in FIG. 12 to move the holding surfaces of both holding pieces 25, 26. By making contact with each other, the hooking piece 34a of the hooking block 34 enters the groove 28 of the movable side holding piece 26.

When the pressing of the tip 34b of the hooking block 34 is stopped, the hooking block 34 moves in the direction of arrow G shown in FIG. 12 by the repulsive force of the compression spring 33, and the hooking piece 34a of the hooking block 34 fixes the fixing plate 38. Then, the holding mechanism 19 is closed.

By pressing the tip of the hooking block 34 against the repulsive force of the compression spring 33 in the direction of arrow F shown in FIG. 12, the hooking piece 34a of the hooking block 34 and the fixing plate 38 are released. It Therefore, when opening the clamping mechanism 19 (releasing the clamping of the adhesive film 3), the movable side clamping piece 26 is moved in the direction opposite to the arrow E direction shown in FIG. 12 while pressing the tip 34b of the hooking block 34. As a result, the holding mechanism 19 is opened.

Next, the first embodiment of the adhesive film peeling apparatus of the present invention
The peeling operation of this embodiment will be described in detail with reference to FIGS. First, as shown in FIGS. 13 and 14, an operator peels off one corner portion of the adhesive film 3 attached on the adherend 2 using the peeling tool 40 to raise it.

The peeling tool 40 is particularly shown in FIGS.
As shown in FIG. 6, it comprises an acute-angled cutter portion 41 and a handle portion 42 for peeling off the adhesive film 3.

13 is inserted from the tip of the cutter portion 41 of the peeling tool 40 between the adherend 2 and the adhesive film 3.
As shown in FIG. 3, the adhesive film 3 is peeled off by about 20 mm, and the peeled adhesive film 3 is raised so as to form an angle of about 45 ° with respect to the adherend 2.

Next, referring to FIG. 17, the adhesive film 3 is set on the panel set stage 1 in a state of being exposed to the outer surface, and the panel set stage 1 is mounted so as to be inclined by about 45 ° with respect to the reciprocating movement direction of the mounting plate 4. Set on plate 4.

At this time, as shown in FIG. 18, the cylinder 23 is fixed on the pushing side, and the connecting block 16 is fixed in an upright state. Then, by releasing the fixation of the cylinder 23, the connecting block 16 moves by its own weight in the direction of the arrow H shown in FIG. 18 to the position shown by the two-dot diagonal line in the drawing, and approaches the panel set stage 1.
At this time, the holding mechanism 19 provided at one end of the peeling roller 18 rotatably attached to the connecting block 16 is in an open state.

Next, when the connecting block 16 is fully lowered to the panel setting stage 1 side by its own weight, that is, when the cylinder 23 moves from the pushing side and reaches the stroke end, as shown in FIG. The peeled adhesive film 3 is positioned on the holding surface of the side holding piece 25, and the movable side holding piece 26 is moved in the direction of arrow I shown in FIG.
The peeled adhesive film 3 is clamped as described in the opening / closing operation of the clamping mechanism 19.

After that, when the drive motor 9 is driven,
As shown in FIG. 20, the pinion 12 and the peeling roller 18 rotate in the arrow J direction shown in FIG. 20 (the direction in which the adhesive film 3 is peeled), and at the same time, the rack 13 moves in the arrow K direction shown in FIG. . In other words, panel set stage 1
And the peeling roller 18 synchronously move in the same direction, and the adhesive film 3 is gradually wound around the peeling roller 18 and peeled off.

In FIG. 21, static electricity is reduced by discharging static electricity from the static elimination block 24 toward the adhesive film 3 and the boundary between the adherend 2 and the adhesive film 3 during peeling. Then, after all the adhesive film 3 attached to the adherend 2 is wound up, the adherend 2 is removed from the panel set stage 1, and the cylinder 23 is operated again so as to be fixed on the extrusion side. The connection block 16 is moved in the direction of the arrow L shown in FIG. 21 to the position shown by the two-dot diagonal line in the figure, and the adherend 2 and the adhesive film 3 are completely separated.

The adhesive film 3 wound by the peeling roller 18 is wound so that the adhesive layer is always on the outer surface, so that the adhesive film 3 does not stick to the peeling roller 18 and the adhesive film 3 does not come apart. .

Further, in FIG. 22, the peeling roller 18
The adhesive film 3 wound up by means of the peeling roller 18 is rotated in the reverse direction while the operator holds the final end of the wound up adhesive film 3 by the operator, and the peeling roller 18 causes the arrow M shown in FIG. The adhesive film 3 is removed from the peeling roller 18 by rotating in the direction.

Further, in addition to the above-mentioned structure for removing the adhesive film 3 wound around the peeling roller 18 by rotating the driving motor 9 in the reverse direction, as shown in FIG. Mounting block 44 at one end of mounting plate 4
And the toggle clamp 4 on the mounting block 43.
4 and has the final end of the adhesive film 3 wound around the peeling roller 18 positioned by the operator between the mounting block 43 and the toggle clamp 44.
23 is moved in the direction of the arrow N shown in FIG. 23 to fix the final end of the adhesive film 3 to the mounting block 43, and the driving motor 9 is rotated in the fixed state so that the peeling roller 18 moves to the direction shown in FIG. The adhesive film 3 is removed from the peeling roller 18 by rotating in the direction of the arrow O indicated by.

In the operation of removing the adhesive film 3 from the peeling roller 18, by rotating the driving motor 9 in the reverse direction, the panel set stage 1 moves in synchronization with the direction of arrow P shown in FIGS. The panel set stage 1 returns to the initial position, that is, the operation origin.

The second embodiment of the adhesive film peeling apparatus of the present invention will be described in detail with reference to FIGS. 24 to 35. still,
The same parts as those of the first embodiment are designated by the same reference numerals, and the description of the configuration and operation thereof will be omitted.

The adhesive film peeling apparatus of the second embodiment of the present invention is configured as shown in FIGS. 24 to 28. In FIGS. 24 to 28, the adhesive film different from that of the first embodiment is used. The structure of the peeling device is as follows.
An elevating mechanism 102 for elevating the rotating mechanism 101 and an urging mechanism 103 for urging the rotating mechanism 101 and the elevating mechanism 102 with a constant force are provided. In addition, a pressing mechanism 104 that presses the adherend 2 during peeling is provided above the panel set stage 1.

As shown in FIGS. 25 and 26, the rotating mechanism 101 includes a first frame body 105 and a second frame body 106 formed on the outer side of the first frame body 105 as a prism. Is positioned such that the 45 ° direction of one corner portion thereof is parallel to the reciprocal movement direction of the mounting plate 4, and the connecting rod 1 is provided for each prism of the first frame 105.
It is connected by 07.

The first frame body 105 is attached to the second frame body 106 by two-point support by the bearing 108 and the rotating pin 109, and is perpendicular to the reciprocating direction of the mounting plate 4. It can rotate in any direction.

Further, the second frame 106 is attached to the connecting block 112 provided at the lower part by the bearing 110 and the rotating pin 111 by two-point support,
The mounting plate 4 is rotatable in the reciprocating direction.

The rotating mechanism 101 configured as described above
Is connected to the intermediate plate 113 by the connecting block 112.
Attached to.

The elevating mechanism 102 is a rotating mechanism 101 provided at four corners of the intermediate plate 113 and above the intermediate plate 113.
The lifting slider 114 is attached to the mounting plate 1 so that the
It is attached by 15. The lifting slider 114
Are attached to the four corners of the base plate 116 provided at the bottom by slider attachment plates 117.

Further, the first frame 105 and the intermediate plate 1
13 and the second frame 106 and the base plate 11
A compression spring 118, which is an urging mechanism 103 for keeping the panel set stage 1 at a constant height, is attached between the compression springs 118 and 6.

The rotating mechanism 101 and the elevating mechanism 102 configured as described above are attached to the traveling slider 5 via the unit attaching plate 119.

The pressing mechanism 104 is located upstream of the peeling direction of the adhesive film 3 and above the panel set stage 1. The structure of the pressing mechanism 104 is particularly shown in FIG.
As shown in FIG. 7, a rubber 121 having appropriate hardness and thickness is attached to the outer circumference of the hollow shaft 120 to form a pressing roller 122. Also, the hollow shaft 12
The shaft 124 is attached to the inner circumference of the hollow shaft 120 via the bearings 123 attached to both ends of 0, and the pressing roller 122 is rotatable.

Further, roller elevating mechanisms 125 for elevating the pressing roller 122 are provided at both ends of the shaft 124. The roller lifting mechanism 125 has a structure in which rod ends 126 are attached to both ends of a shaft 124.
The rod end 126 is attached to the elevating slider 128 by a mounting block 127. Further, a slider mounting plate 129 is fitted to the elevating slider 128, and stopper plates 131 to which pressure roller 1202 height adjusting screws 130 are mounted are attached to the upper and lower ends thereof. Further, the stopper plate 131 on the upper end side and the mounting block 125
The compression spring 132 at the position of the height adjusting screw 130 between
Is attached.

The pressing mechanism 104 configured as described above
Is attached to the peeling apparatus base 6 via the attachment stage 133 attached to the slider attachment plate 127.

Next, the peeling operation of the adhesive film peeling apparatus of the second embodiment will be described in detail with reference to FIGS. 28 to 35. When the adhesive film 3 attached to the adherend 2 is peeled off while being wound by the peeling roller 18 as in the first embodiment, as shown in FIG. Tension is generated in the direction of arrow AC indicated by 28, and a peeling force is generated in the direction of arrow AD shown in FIG. 28 as its vertical component. When this peeling force is larger than the adhesive force of the adhesive film 3 in the direction of arrow AE shown in FIG. 28, the adhesive film 3 can be peeled off.

However, the adhesive film 3 is more than this peeling force.
29, the peeling roller 18 tries to lift the adherend 2 with the diagonal θ of one corner of the adherend 2 being peeled as a fulcrum, as shown in FIG.
With respect to the peeling force to be lifted, a pressing force acts on the diagonal θ in the direction of arrow AF shown in FIG.

For example, when the polarizing plate (adhesive film) 3 attached to the liquid crystal display panel (adhered body) 2 is peeled off, when stress is generated as described above, the peeling of the liquid crystal display panel 2 is performed. The liquid crystal display panel 2 side which is peeling off is lifted up with the diagonal angle θ of one corner as a fulcrum. For this reason, the force of bending the liquid crystal display panel 2 acts, and the liquid crystal display panel 2 is damaged.

In order to prevent the liquid crystal display panel 2 from being lifted, the peeling roller 18 is strongly pressed against the liquid crystal display panel 2 against the force to lift the liquid crystal display panel 2 so that the polarizing plate 3 is fixed. Although the liquid crystal display panel 2 can be prevented from being lifted up by winding, the cell gap of the liquid crystal display panel 2 is changed by strongly pressing the peeling roller 18 against the liquid crystal display panel 2.

In the second embodiment, when the polarizing plate 3 attached to the liquid crystal display panel 2 is peeled off, the peeling force for lifting the liquid crystal display panel 2 is as shown in FIG.
As shown in 0, the pressure roller 122 is attached to the liquid crystal display panel 2.
Are brought into contact with each other to suppress the peeling force, and repulsive by the biasing force of the compression spring 132, which is weaker than the peeling force, to absorb and relax.

With respect to the pressing force applied to the diagonal θ of one corner of the liquid crystal display panel 2, the panel set stage 1 is tilted by the rotating mechanism 101 in the direction of the pressing force applied to the diagonal θ, and the diagonal The pressing force is prevented from being intensively applied to θ, and the biasing force of the biasing mechanism 103, which is weaker than the pressing force, repels and absorbs / relaxes.

When the polarizing plate 3 attached to the liquid crystal display panel 2 is to be peeled off, the periphery of the liquid crystal display panel 2 is, as shown in FIG. 136, and a large number of electric components (not shown) necessary for driving the liquid crystal display panel 2 are mounted on the substrates 135, 136.

Particularly, on the gate substrate 135, a relatively large electric component (not shown) such as a connector and a capacitor for connecting the gate substrate 135 and the source substrate 136 is mounted. In order to prevent the destruction of the gate substrate 135 and the source substrate 136, especially the electrical components mounted on the gate substrate 135, the liquid crystal display panel 2
It is desirable to separate the polarizing plate 3 from one corner portion.

The reason why the polarizing plate 3 is peeled off from one corner of the liquid crystal display panel 2 is that the polarizing plate 3 peeled off by the holding mechanism 19 is pinched. This is because the amount of peeling when the polarizing plate 3 is peeled off can be a small amount of peeling as shown in FIG. Therefore, it is not necessary to peel off the polarizing plate 3 in a large amount in advance, and the work labor can be reduced.

Further, as another reason for peeling the polarizing plate 3 from one corner portion of the liquid crystal display panel 2, as shown in FIG. 32, any one of the four sides of the liquid crystal display panel 2 is pulled by an appropriate amount. When peeling and peeling the polarizing plate 3,
Since the adhesive area between the liquid crystal display panel 2 and the polarizing plate 3 (the portion indicated by the two-dot oblique lines in the figure) is large, the adhesive force of the polarizing plate 3 exceeds the peeling force from the initial stage of peeling, and the liquid crystal display panel 2 polarizes. The plate 3 cannot be peeled off.

However, as shown in FIG. 33, when the peeling of the polarizing plate 3 is started from one corner of the liquid crystal display panel 2, the adhesion area between the liquid crystal display panel 2 and the polarizing plate 3 (two points in the figure). Since the shaded area gradually expands, the adhesive force of the polarizing plate 3 does not exceed the peeling force from the initial stage of peeling, and the polarizing plate 3 can be smoothly peeled from the liquid crystal display panel 2.

When the polarizing plate 3 is peeled off from one corner of the liquid crystal display panel 2, the panel set stage 1 on which the liquid crystal display panel 2 is mounted is attached to the peeling roller 18.
It is necessary to attach it at an angle to the rotation direction of. In this case, the mounting angle of the panel set stage 1 is 4
It is desirable to set it at 5 °.

The reason why the mounting angle is set to 45 ° is that the peeling roller 18 is used in order to prevent the peeling roller 18 from destroying the electric parts mounted on the substrates 135 and 136.
You need to limit the length of. That is, the peeling roller 18
It is necessary to limit the range of the polarizing plate 3 to be wound on the circumference of No. 3 and perform peeling.

For this reason, as shown in FIG. 34, the portion AA directly wound on the circumference of the peeling roller 18 and the rotation of the peeling roller 18 without being directly wound on the circumference of the peeling roller 18 An AB portion that is wound up while following can be formed.

At this time, the panel set stage 1 is attached at an attachment angle such that the area ratio is AA portion ≦ AB portion,
When the polarizing plate 3 is peeled from the liquid crystal display panel 2, a peeling speed difference occurs between the A part and the B part, and as shown in FIG. 35, the liquid crystal display panel 2 moves in the direction of arrow AG shown in FIG. Therefore, it will be peeled while rotating gradually, and it will be difficult to peel smoothly.

In order to make the peeling speed uniform between the AA portion and the AB portion, the panel set stage 1 is attached at an attachment angle such that the area ratio is AA portion> AB portion, and further the peeling roller 18 and the substrate 135, This means that the mounting angle at which the electric parts mounted on 136 do not interfere is 45 °.

Further, the sandwiching mechanism 19 provided at one end of the peeling roller 18 is composed of several kinds of parts, and these parts vary depending on the processing accuracy, and the sandwiching mechanism 19 is assembled with these parts. If this happens, unevenness will occur on the circumference of the holding mechanism 19.

When the sandwiching mechanism 19 is rotated on the liquid crystal display panel 2 while the concavo-convex pattern is formed on the circumference of the clamping mechanism 19 and the polarizing plate 3 is wound up, the concavo-convex pattern causes a cell gap of the liquid crystal display panel 2. It will change and display quality will be poor.

Therefore, in order to prevent the cell gap of the liquid crystal display panel 2 from changing due to unevenness, a silicon sheet and a glass cloth, which serve as a cushioning material, are laid on the polarizing plate 3 before peeling, and together with the polarizing plate 3. The cell gap of the liquid crystal display panel 2 can be prevented from changing by winding around the peeling roller 18 and peeling.

In the conventional peeling work, the peeling jig 74 is used.
When rewinding and removing the polarizing plate 71 wound around, the work of removing the polarizing plate 71 was very difficult and the workability was poor because the adhesive force of the polarizing plate 71 was strong. Since the non-adhesiveness is very high, the workability is very good even when the polarizing plate 3 wound around the peeling roller 18 is removed by rotating the peeling roller 18 in the reverse direction.

Next, the production effect when the adhesive film peeling apparatus of the present invention is used will be described. First, regarding the tact time, when the conventional peeling jig 74 is used to manually peel the polarizing plate 71 from the liquid crystal display panel 72, the peeling speed is limited. Further, since the polarizing plate 71 is inserted into the insertion groove 77 of the peeling jig 74 and is wound up without fixing the polarizing plate 71, if the area where one corner portion 71a of the polarizing plate 71 is peeled off is small, peeling is performed. In some cases, the polarizing plate 71 may come off from the insertion groove 77 of the peeling jig 74.
Therefore, before inserting the polarizing plate 71 into the insertion groove 77 of the peeling jig 74, it is necessary to peel off the polarizing plate 3 at one corner portion 71a of the polarizing plate 71 in advance, and the like.
The tact time for one panel was 60 seconds.

However, according to the present invention, since the sandwiching mechanism 19 provided at one end of the stripping roller 18 sandwiches and fixes a part of the polarizing plate 3 peeled from one corner of the liquid crystal display panel 2, the conventional structure. In comparison, it is not necessary to peel off the polarizing plate 3 at one corner of the liquid crystal display panel 2 in advance, and the tact time can be shortened, and the tact time for one panel is 40 seconds. In addition, the work effort can be reduced as compared with the conventional peeling work.

As a measure against static electricity, conventionally, only one static elimination blower is used, and the static elimination air is blown only on the surface of the liquid crystal display panel 2. Therefore, the static elimination effect is not significant, and static electricity generated in that case is generated. As a value, a high value of around 1 kV was generated.

However, in the present invention, first, the static elimination block 24
In addition, the static elimination air is not blown onto the surface of the liquid crystal display panel 2, but the static elimination air is applied to the polarizing plate 3 and the boundary portion between the liquid crystal display panel 2 and the polarizing plate 3 which are separated by the separation roller 18. Static electricity removal blower 2
4 is arranged on the upstream side of the peeling direction of the polarizing plate 3 in the peeling direction and its periphery, and the conventional static electricity generation value of 1 kV can be suppressed to about 0.1 kV in the adhesive film peeling apparatus of the present invention. , It became possible to prevent electrostatic breakdown.

Regarding the generation of Newton's rings, when the conventional peeling jig 74 is used for manual peeling, the number of Newton's rings generated in another process before the peeling is larger than the number of Newton's rings generated during the peeling. When stress is applied to 2, the number of Newton rings generated after peeling increases.

In the pressure-sensitive adhesive film peeling apparatus of the second embodiment of the present invention, the absorbing / relaxing means is provided below the panel set stage 1 to absorb / relax the stress applied to the liquid crystal display panel 2 during peeling. It is possible to suppress an increase in the number of Newton's rings generated after peeling, and it is possible to peel the polarizing plate 3 without causing display quality defects as in the conventional case.

In the adhesive film peeling apparatus of the present invention, the work of setting and resetting the liquid crystal display panel 2 on the panel setting stage 1, the work of peeling off the polarizing plate 3 at one corner of the liquid crystal display panel 2, and the holding mechanism. Although the work of sandwiching a part of the polarizing plate 3 peeled off at one corner of the liquid crystal display panel 2 by 19 is performed manually, these works are performed by adding a mechanism such as an air cylinder. Automation becomes possible, and it is possible to further reduce labor and improve work efficiency.

[0103]

As described above, the invention according to claim 1 is
Adhesive surface of the adherend and the adhesive film by peeling off the adhesive film at one corner of the adhesive surface of the adherend, sandwiching the peeled adhesive film, and winding the adhesive film while rotating the adhesive film in a constant direction in the peeling direction. The adhesive film can be peeled from the adherend at a constant peeling speed without being affected by the adhesive strength with the adhesive strength of the adherend and the adhesive film of the adherend. ,
It can be easily peeled off without time and effort.

Further, for example, when a polarizing plate attached to a liquid crystal display panel is peeled off, a striped pattern is formed on the liquid crystal display area surface of the liquid crystal display panel due to variations in the peeling speed, and the display is not affected.

According to a second aspect of the present invention, the adherend is held by the holding means in a state where the adhesive film is exposed on the outer surface,
By sandwiching the adhesive film that has been peeled off from the corners of the adhesive surface of the adherend by the peeling means, by winding the adhesive film while rotating the peeling means in the peeling direction at a constant speed,
It is possible to provide an adhesive film peeling device that achieves the same effect as in claim 1 and also produces the same effect.

According to the invention of claim 3, in addition to the effect of claim 2, when the peeling means winds the adhesive film, the pressing means presses the adherend to float from the holding means. When the adhesive force between the adhesive surface of the adherend and the adhesive film is strong, the adherend is wound around the corner of one corner of the adherend which is peeled by winding the adhesive film by the peeling means. Does not emerge. Therefore, the diagonal force of the adherend is not chipped or broken by the force of bending the adherend.

Further, by absorbing / relaxing the stress of the adherend generated during the peeling by the absorbing / relaxing means, the adherend is not deformed by the pressing force of the pressing means.

According to the invention described in claim 4, in addition to the effect described in claim 3, since the pressing means is a roller mechanism having a cushioning material such as rubber on at least the roller surface, the pressing means can be connected to the adherend. It is possible to prevent damage to the adherend by softening the contact and contacting the pressing means.

According to a fifth aspect of the present invention, in addition to the effect of the third aspect, the absorption relaxation means includes a rotation mechanism that rotatably supports the holding means, an elevating mechanism that elevates and lowers the rotation mechanism, and By configuring the lifting mechanism with a biasing mechanism that biases with a constant force, even if the stress generated during peeling is concentrated on one point of the adherend, the rotating mechanism tilts the holding means in all directions, Since the rotating mechanism can be moved up and down by the elevating mechanism, the stress generated in the adherend can be relieved.

According to a sixth aspect of the present invention, in addition to the effect of the second or third aspect, static elimination air is blown by static elimination means to the adherend and the boundary portion between the adherend and the adhesive film. This makes it possible to reduce static electricity generated by peeling the adhesive film from the adherend.

According to the invention of claim 7, in addition to the effect of claim 2 or 3, when the adhesive film is wound by the peeling means, the final end of the rolled adhesive film is grasped and the rotating means is used. By rotating the peeling means in the direction opposite to the peeling direction, the adhesive film can be easily removed from the peeling means.

According to the invention of claim 8, in addition to the effect of claim 2 or 3, by sandwiching the adhesive film between the rubber portions of the peeling means, the adhesion with the adhesive film is improved and the friction resistance is improved. Since the force is high, the adhesive film does not come off from the peeling means during peeling.

According to a ninth aspect of the present invention, in addition to the effects of the second or third aspect, an adhesive film at one corner of the adhesive surface of the adherend that has been peeled off by the peeling means is sandwiched,
When the adhesive film is rolled up in a diagonal direction from the one corner portion and is peeled off, the peeling direction of the adhesive film is approximately 4 of the one corner portion.
The area A of the pressure-sensitive adhesive film which is wound by being directly abutted by the peeling means while positioning one end of the peeling means in the 5 ° direction
The area AB of the pressure-sensitive adhesive film wound up without contacting A is AA ≧ AB. Therefore, when the adherend is a liquid crystal display panel, for example, electric components are mounted on the periphery of the liquid crystal display panel. The substrates are connected by TCP to prevent the electric parts from being pressed and destroyed by the peeling means.

[Brief description of drawings]

FIG. 1 is a front view of essential parts showing a first embodiment of an adhesive film peeling device of the present invention.

FIG. 2 is a sectional view taken along the line TT shown in FIG.

FIG. 3 is an enlarged rear view of an essential part of a U portion shown in FIG.

FIG. 4 is a partially cutaway rear view of the fixed side holding piece according to the first embodiment.

FIG. 5 is a partially cutaway front view of the movable side holding piece according to the first embodiment.

FIG. 6 is a rear view of the main part of the torsion coil spring showing the first embodiment.

FIG. 7 is a plan view of an essential part of the other end portion of the fixed roller according to the first embodiment.

FIG. 8 is a side view of a main part of FIG.

FIG. 9 is a rear view of the main part of the hooking block according to the first embodiment.

FIG. 10 is a plan view of an essential part of the other end side portion of the movable side sandwiching piece according to the first embodiment.

11 is a sectional view taken along line VV shown in FIG.

FIG. 12 is a rear view of the main part of the holding mechanism shown in FIG. 3 in a closed state.

FIG. 13 is a main-portion plan view showing a state in which a pressure-sensitive adhesive film at one corner of the bonding surface of the bonded body according to the first embodiment is peeled off by a peeling tool.

FIG. 14 is a side view of the main part of FIG.

FIG. 15 is a front view of a main part of the peeling tool shown in FIG. 13.

16 is a side view of the main part of FIG.

FIG. 17 is a plan view of essential parts of the adhesive film peeling device in a state where an adherend is set on the panel setting stage according to the first embodiment.

FIG. 18 is an explanatory view of a main part of the adhesive film peeling device in the initial state for peeling the adhesive film according to the first embodiment.

FIG. 19 is a perspective view of essential parts of the adhesive film peeling device in a state where the adhesive film is held by the holding mechanism according to the first embodiment.

FIG. 20 is an explanatory diagram showing a state in which the pressure-sensitive adhesive film is peeled off from the adherend showing the first embodiment.

FIG. 21 is an explanatory diagram showing a state in which the adhesive film is peeled off from the adherend showing the first embodiment.

FIG. 22 is a first explanatory diagram showing a state in which the adhesive film wound around the peeling roller according to the first embodiment is removed.

FIG. 23 is a second explanatory view showing a state in which the adhesive film wound around the peeling roller according to the first embodiment is removed.

FIG. 24 is a main part front view showing a second embodiment of the adhesive film peeling device of the present invention.

FIG. 25 is a plan view of a main part of a rotation mechanism and a lifting mechanism according to a second embodiment.

FIG. 26 is a side view of the main part of FIG. 25.

FIG. 27 is a front view of the main parts of the pressing mechanism according to the second embodiment.

FIG. 28 is an explanatory diagram of stress generated when the adhesive film is wound up by the peeling roller.

FIG. 29 is an explanatory diagram showing a state in which the adherend is lifted by the stress generated when the adhesive film is wound up by the peeling roller.

FIG. 30 is an explanatory diagram of a peeling operation according to the second embodiment.

FIG. 31 is a main-portion plan view of a liquid crystal display panel used in a second embodiment.

FIG. 32 is a plan view of relevant parts showing a state where a polarizing plate is peeled off from one side of the liquid crystal display panel by a peeling roller.

FIG. 33 is a side view of the main parts of FIG. 32.

FIG. 34 is a main-portion plan view showing a state where a polarizing plate is peeled off from one corner of the adhesive surface of the liquid crystal display panel according to the present embodiment by a peeling roller.

FIG. 35 is an explanatory diagram showing a relationship between an area wound directly by contacting the peeling roller according to the present embodiment and an area wound not contacted by the peeling roller;

FIG. 36 is an explanatory diagram showing a state in which the liquid crystal display panel moves when the polarizing plate is peeled off by a peeling roller from one corner of the liquid crystal display panel.

FIG. 37 is a perspective view of a main part of a conventional peeling device that uses an adhesive roller.

FIG. 38 is a side view of a main part of a peeling device using a conventional adhesive tape.

FIG. 39 is a perspective view of a main part of a state where a polarizing plate is peeled off from a conventional liquid crystal display panel by a peeling jig.

40 is a perspective view of essential parts of the peeling jig shown in FIG. 37. FIG.

[Explanation of symbols]

 2 Adherent 3 Adhesive Film 9 Drive Motor 18 Peeling Roller 19 Clamping Mechanism 24 Static Elimination Bro 39 Rubber Plate 101 Rotating Mechanism 102 Lifting Mechanism 103 Energizing Mechanism 104 Pressing Mechanism

Claims (9)

[Claims] 1. A pressure-sensitive adhesive film peeling method for peeling off a pressure-sensitive adhesive film or the like attached to an adhesive surface of an adherend, wherein the adhesive film at one corner of the adhesive surface of the adherend is peeled off and peeled off. A method for peeling a pressure-sensitive adhesive film, which comprises winding the pressure-sensitive adhesive film while peeling the pressure-sensitive adhesive film while rotating the pressure-sensitive adhesive film in a peeling direction. 2. A pressure-sensitive adhesive film peeling device for peeling off a pressure-sensitive adhesive film or the like attached to an adhesive surface of an adherend, the holding means for holding the adherend in a state where the pressure-sensitive adhesive film is exposed to the outer surface, Adhesive film peeling characterized by comprising a peeling means for sandwiching the adhesive film peeled off from one corner of the adhesive surface of the adherend and for winding and peeling the adhesive film while rotating the adhesive film in a constant direction in the peeling direction. apparatus. 3. A pressure-sensitive adhesive film peeling device for peeling off a pressure-sensitive adhesive film or the like attached to an adhesive surface of an adherend, comprising: holding means for holding the adherend in a state where the pressure-sensitive adhesive film is exposed to the outer surface; A peeling means for sandwiching the pressure-sensitive adhesive film peeled off from one corner of the adhesive surface of the adherend and winding the pressure-sensitive adhesive film while rotating it in the peeling direction at a certain time, and for winding the pressure-sensitive adhesive film by the peeling means. And a pressing means for pressing the adherend to prevent it from floating from the holding means, and an absorption relaxation means for absorbing and relaxing the stress generated in the adherend during peeling of the adhesive film. An adhesive film peeling device characterized by: 4. The adhesive film peeling device according to claim 3, wherein the pressing means is a roller mechanism having a cushioning material such as rubber on at least the roller surface. 5. The absorption alleviating means comprises a rotating mechanism for rotatably supporting the holding means, an elevating mechanism for elevating the rotating mechanism, and an urging mechanism for urging the elevating mechanism with a constant force. The adhesive film peeling device according to claim 3, wherein 6. The pressure-sensitive adhesive film peeling apparatus according to claim 2, further comprising a static eliminator for blowing static neutralizing air onto the adherend and a boundary portion between the adherend and the adhesive film. 7. The pressure-sensitive adhesive film peeling device according to claim 2, further comprising a rotating unit that rotates the peeling unit in a direction opposite to the peeling direction. 8. A rubber part is provided at least in a part of the peeling means which comes into contact with the adhesive film when sandwiching the adhesive film peeled off from one corner of the adhesive surface of the adherend. Item 2. An adhesive film peeling device according to item 2 or 3. 9. When the pressure-sensitive adhesive film peeled from one corner of the adhesive surface of the adherend is sandwiched by the peeling means and the pressure-sensitive adhesive film is wound diagonally from the one corner to peel the adhesive film, The peeling direction of the pressure-sensitive adhesive film is the 45 ° direction of the above-mentioned one corner portion, and the area AA of the pressure-sensitive adhesive film which is directly contacted by the peeling means and the area AB of the pressure-sensitive adhesive film which is wound without contacting are shown in A
The adhesive film peeling apparatus according to claim 2, wherein A ≧ AB.