JP2000203760A - Peeling method and device for part with seal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a peeling device capable of sucking a cushion sheet with a seal to a suction plate while maintaining the positional precision on a mount and capable of accurately stacking it to a machine in a next process. SOLUTION: This peeling device is provided with a conveying plate 5 on which a mount 4 stuck with a cushion sheet 3 with a seal is to be placed, a mount presser 7 for pinching the mount 4 placed on the conveying plate 5 from above, a suction plate 6 arranged from above so as to be freely raised and lowered and for sucking the cushion sheet 3 with a seal, a pushing-up plate 8 arranged so as to be freely raised and lowered from below in relation to the conveying plate 5 and having pushing-up needles 8a for pushing up the mount 4 through holes 5b provided on the conveying plate 5, and a positioning pin 10 provided on the pushing-up plate 8, capable of being freely inserted through a positioning hole 4a formed on the mount 4, and for positioning the mount 4 before penetrating the mount 4 by the pushing-up needles 8a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for attaching a liquid crystal panel to a device, such as a cushioned sheet with a seal serving as a cushion between the device and the liquid crystal panel. The present invention relates to a peeling device and a peeling method for peeling from a mount.

[0002]

2. Description of the Related Art In a device provided with a liquid crystal panel, as shown in FIG. 3, a cushion frame 3 with a rectangular frame-like seal is interposed between a housing 1 and a liquid crystal panel 2 of the device. The cushion sheet 3 with the seal is
Is adhered to the inner surface of the peripheral portion of the display window 1a of the liquid crystal panel 2 in the above.

[0003] In the production line of the above equipment,
As shown in FIG. 4, this kind of cushion sheet 3 with a seal is attached to a tape-shaped mount 4 at predetermined intervals and delivered, and after being separated from the mount 4 by an automatic adhering machine or the like, is sequentially attached. It is supposed to be.

[0004] A conventional peeling device for a cushioned seat with a seal will be described with reference to FIG. FIG. 5 is a side view schematically showing a configuration of a main part of a conventional cushion sheet peeling device with a seal and an outline of operation steps thereof.

[0005] In FIG. 5, reference numeral 5 denotes a transport plate on which a backing sheet 4 attached to the cushion sheet 3 with a seal is placed. The backing sheet 4 is sequentially transferred in the front-rear direction perpendicular to the plane of FIG. It is supposed to be. Also,
Reference numeral 6 denotes a suction plate which is arranged so as to be able to move up and down with respect to the transfer plate 5 from above, and which can be vacuum-sucked from the suction section 6a. Is also located on the outer peripheral side,
A square frame-shaped mount holder 8 that sandwiches the mount 4 placed on the transport plate 5 is disposed so as to be able to ascend and descend from below the transport plate 5, and projects the mount 4 through a through hole 5 a provided in the transport plate 5. This is a push-up plate having a plurality of push-up needles 8a.

[0006] The peeling operation is performed as follows. First, as shown in FIG. 5A, the backing sheet 4 to which the cushion sheet 3 with the seal is adhered is transported to a position above the push-up plate 8 on the transport plate 5 and stopped.
Next, as shown in FIG. 5B, the backing sheet press 7 is lowered, so that the backing sheet 4 to which the cushion sheet 3 with a seal is adhered is sandwiched between the backing sheet press 7 and the transport plate 5. In this state, as shown in FIG. 5 (c), the suction plate 6 is lowered, and as shown in FIG. As shown in FIG. 5 (e), the cushion sheet 3 with seal is peeled off from the backing sheet 4 and simultaneously vacuum-adsorbed on the adsorption plate 6 by being pushed up by a plurality of attached push-up needles 8 a. As shown in FIG.
The push-up plate 8 is lowered, and the suction plate 6 on which the cushion sheet 3 with the seal is sucked is raised to hold the cushion sheet 3 with the seal.

[0007]

However, in such a conventional configuration, the mount 4 is displaced by the impact when the cushion sheet 3 with the seal is peeled from the mount 4 or when the mount 4 is pierced by the push-up needle 8a. As a result, there has been a problem that the accuracy of the position when the cushion sheet 3 with the seal is sucked by the suction plate 6 is reduced. In the process of peeling off the cushioned cushion sheet 3 from the backing sheet 4 and adsorbing it to the suction plate 6, the cushioned cushion sheet 3 is merely placed on the push-up needle 8 a and holds its position. Since no binding force is applied, this also causes a problem that the accuracy of the position when the cushion sheet 3 with the seal is sucked by the suction plate 6 is reduced.

When the cushion sheet 3 with seal is peeled from the backing sheet 4, a large compressive force is applied to the cushion sheet 3 with seal by the push-up needle 8a. There was also a problem that the property was reduced.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. A suction plate is provided for a member with a seal, such as a cushion sheet with a seal, while maintaining the positional accuracy on the mount and without impairing the cushioning property. It is an object of the present invention to provide a peeling device and a peeling method of a part with a seal that can be adsorbed by an adsorbing member such as the above and can be accurately attached to equipment in the next step.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problem, a peeling device for a cushioned sheet with a seal according to the present invention comprises a part with a seal having an adhesive applied to a back surface, and the part with a seal attached thereto. A peeling device for a part with a seal to be peeled off from the backing, which is placed on a mounting part on which the backing on which the part with a seal is stuck is placed, and which can be lifted and lowered from above with respect to the placing part, and is placed on the placing part. A mount holder that sandwiches the backing paper, a suction member that is arranged to be able to move up and down with respect to the mounting section from above, and that adsorbs a part with a seal attached to the mounting sheet, and is arranged to be able to move up and down from below with respect to the mounting section A push-up member having a push-up needle for pushing up the mount through a hole provided in the mounting portion; and a push-up needle provided in the push-up member and freely insertable into a positioning hole formed in the mount. Penetrates the mount by It is obtained by a positioning pin for positioning the backing sheet.

[0011] The method of peeling a cushioned sheet with a seal according to the present invention is a method of peeling a part with a seal having an adhesive applied to a back surface thereof from a mount to which the part with a seal is attached. There is a step of placing the mount on which the component with the seal is attached on the mounting portion, and a process of lowering the vertically movable suction member to sandwich the component with the seal and the mount between the mount portion and the suction member. A step of lowering the mount holder, which can be moved up and down, to sandwich the mount between the mount holder and the mounting portion, and providing a needle for pushing up and a pin for positioning while adsorbing the component with the seal by the suction member. The push-up member is raised, and the positioning pins are inserted through the positioning holes provided in the backing sheet and are positioned in advance so that the backing sheet does not move. Raise the mount And a step for peeling a seal-part from the mount.

According to the above configuration and method, a member with a seal, such as a cushion sheet with a seal, can be adsorbed on an adsorbing member, such as an adsorbing plate, while maintaining the positional accuracy on the backing paper. Can be accurately pasted.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION
A peeling device for a part with a seal, which peels off a part with a seal with an adhesive on the back surface from a mount on which the part with a seal is attached, and a mounting unit for placing the mount on which the part with a seal is attached And, it is arranged so as to be able to ascend and descend from above with respect to the mounting part, and is provided so as to be able to ascend and descend from above with respect to the mounting part,
A push-up member having a suction member for sucking a component with a seal attached to the mount, and a push-up needle arranged to be able to ascend and descend from the placement portion from below, and pushing up the mount through a hole provided in the placement portion. And a positioning pin provided on the push-up member, which can be inserted into a positioning hole formed in the mount, and positions the mount before penetrating the mount with the push-up needle.

The invention according to claim 2 of the present invention is a peeling device for a part with a seal, which peels off the part with a seal having an adhesive applied to the back surface from the mount on which the part with the seal is attached, A mounting portion on which the mount on which the part with the seal is attached is placed, and a mount holder which is disposed so as to be able to ascend and descend from above the mounting portion and sandwiches the mount placed on the mounting portion,
An adsorbing member that is arranged to be able to ascend and descend from above the mounting portion and adsorbs a component with a seal attached to the mount, and that is arranged to be able to ascend and descend from below to the mounting portion and is provided in the mounting portion. A push-up member having a push-up needle for pushing up the backing paper through the hole, and provided on the push-up member or the suction member. When the push-up member is raised, the push-up member comes into contact with the suction member or the push-up member and pushes up. When the dimension between the push-up needle of the member and the suction member becomes a certain interval, the suction member is raised synchronously to prevent the push-up needle from applying a compressive force to the part with the seal. It is provided.

The third aspect of the present invention is the first aspect of the present invention.
Alternatively, in the peeling device for a part with a seal described in 2, the part with a seal is a cushion sheet with a seal.

According to a fourth aspect of the present invention, there is provided a method for peeling a part with a seal having a pressure-sensitive adhesive applied to its back surface from a mount on which the part with a seal is attached, A step of placing the mount on which the seal-attached component is stuck on the mounting section; a step of lowering the vertically movable suction member to sandwich the seal-equipped component and the mount between the mount section and the suction section; And a step of lowering the backing sheet holder to sandwich the backing sheet between the backing sheet holder and the mounting portion, and a push-up needle and a positioning pin are provided while sucking the seal-fitted component with the suction member. With the push-up member raised, the positioning pins are inserted through the positioning holes provided in the backing sheet and positioned in advance so that the backing sheet does not move, and the backing needle penetrates the backing sheet to protrude the backing sheet. Raise and mount parts with seals And a step for peeling.

According to a fifth aspect of the present invention, there is provided a method for peeling a part with a seal having a pressure-sensitive adhesive on its back surface from a mount on which the part with a seal is attached, A step of placing the mount on which the seal-attached component is stuck on the mounting section; a step of lowering the vertically movable suction member to sandwich the seal-equipped component and the mount between the mount section and the suction section; Lowering the backing sheet holder and sandwiching the backing sheet between the backing sheet holder and the mounting portion, and raising the push-up member provided with a push-up needle in a state where the component with the seal is sucked by the suction member. A peeling-off step of penetrating the backing sheet with a pushing-up needle and pushing up the backing sheet to peel off the part with the seal from the backing sheet. When the lifting member is raised When the dimension between the push-up member and the suction member comes into contact with the suction member or the push-up member, the suction member is raised synchronously when the dimension between the push-up member and the suction member becomes constant. Is prevented from being added.

The present invention according to claim 6 of the present invention is directed to claim 4
Alternatively, in the method for peeling a component with a seal according to 5, the component with a seal is a cushioned seat with a seal.

The structure according to claim 1 and the structure according to claim 4
According to the method described, when the push-up member provided with the push-up needle and the positioning pin is lifted while sucking the part with the seal by the suction member, the positioning pin is attached to the mount. In a state where the backing sheet is positioned in advance so that the backing sheet does not move through the positioning holes provided, a member with a seal is used in order to pierce the backing sheet with a needle for pushing up, push up the backing sheet, and peel off the sealed part from the backing sheet. The suction can be performed by the suction member while maintaining the positional accuracy on the mount.

The structure according to the second aspect and the fifth aspect.
According to the method described above, when the push-up member is lifted in the peeling step, the suction member or the push-up member comes into contact with the regulating member, and after the dimension between the push-up member and the suction member becomes a constant interval. Since the suction member is raised synchronously and the push-up needle is prevented from applying a compressive force to the component with the seal, the suction member can be sucked by the suction member without impairing the cushioning property.

Hereinafter, a peeling device and a peeling method for a cushioned sheet with a seal according to an embodiment of the present invention will be described with reference to the drawings. Note that the same reference numerals are used for the same parts as those of the conventional one.

FIG. 1 is a side view schematically showing the outline of the essential parts of a cushioning sheet with sealing device according to an embodiment of the present invention and the operation steps thereof, and FIG. It is a perspective view of the backing paper.

As shown in FIGS. 1 and 2, the cushioning sheet with peeling device is provided with a mounting portion on which a mount 4 on which a rectangular frame-shaped cushioning sheet 3 as a component with a seal is attached is placed. Transport plate 5, a rectangular frame-shaped mount holder 7, which is arranged to be able to ascend and descend from above with respect to the transport plate 5 and sandwiches the mount 4 placed on the transport plate 5, and which is capable of ascending and descending from above with respect to the transport plate 5 And a suction plate 6 serving as a suction member for vacuum-sucking the cushioned cushion sheet 3 attached to the mount 4 from the suction section 6a, and a transfer plate 5 A push-up plate 8 having push-up needles 8a for pushing up the mount 4 through the through holes 5a provided in the push-up plate 8; When the lifting plate 8 is raised, the lifting plate 8 comes into contact with the suction plate 6 and is raised synchronously. The dimension between the push-up needle 8a of the push-up plate 8 and the suction plate 6 becomes the thickness interval of the cushioned seat 3 with seal. The height correlation holding member 9 and the push-up plate 8, which can be inserted through the insertion hole 5 b provided in the transport plate 5 and the positioning hole 4 a formed in the backing paper 4. A positioning pin 10 for positioning the backing sheet 4 before penetrating the backing sheet 4 by 8a is provided. The suction plate 6 also has an insertion hole 6b at a position corresponding to the positioning pin 10.

Next, a method for peeling the cushioned sheet 3 with seal from the backing sheet 4 by this peeling device will be described.

First, as shown in FIG. 1 (a), the mount 4 to which the cushion sheet 3 with the seal is adhered
The sheet is conveyed to a position above the push-up plate 8 and stopped. Note that this transport direction is a front-back direction orthogonal to the paper surface in FIG. Next, as shown in FIG.
The suction plate 6 is lowered to a level at which the suction plate 6 comes into contact with the cushion sheet 3 with a seal.

Thereafter, as shown in FIG. 1C, the push-up plate 8 is raised and the positioning pins 10 are inserted into the positioning holes 4a of the backing sheet 4 to prevent the backing sheet 4 from shifting. As shown in FIG. 1D, by lowering the mount holder 7, the mount 4 to which the cushion sheet 3 with a seal is adhered is sandwiched between the mount holder 7 and the transport plate 5. Then, in this state, the push-up plate 8 is further raised. As shown in FIG. 1 (e), a plurality of push-up needles 8a are moved by the series of ascent operations to the cushion 3 with the seal.
When the height becomes the same as the lower surface of the
Comes into contact with the suction plate 1 and thereafter, as shown in FIG. 1 (f), while maintaining a constant interval (thickness interval of the cushioned seat 3 with seal) between the push-up needle 8 a and the suction plate 6. , And rises in synchronization with the push-up plate 8. Accordingly, since no compressive force is applied to the sponge-like elastic member such as the cushion sheet 3 with the seal, the push-up needle 8a does not pierce the cushion sheet 3 with the seal, and the seal 4 In the entire process of peeling the cushion sheet 3, the cushion sheet 3 with the seal is positioned in the position and the suction plate 6
Is peeled off while being sucked and held by the vacuum suction force.

In this way, by peeling the cushioned sheet 3 with the seal from the backing sheet 4, the cushioned sheet 3 with the seal can be adsorbed to the suction plate 6 while maintaining the positional accuracy on the backing sheet 4. Accurate sticking of the cushion sheet 3 with seal to the device in the process becomes possible. Further, the push-up needle 8a is used for the cushion seat 3 with the seal.
Since a compressive force is prevented from being applied to the rubber, it is possible to prevent the cushioning property from being impaired and to maintain a good cushioning property.

Finally, as shown in FIG. 1 (g),
The suction plate 6 is lifted in a state where the cushion sheet 3 with the seal is sucked and held, and the mount holder 7 is held.
And the push-up needle 8a, the positioning pin 10,
Then, the push-up plate 8 provided with the height correlating member 9 is lowered to prepare for the next peeling operation.

In the above-described embodiment, the height correlating member 9 as the regulating member is arranged so as to extend upward from the push-up plate 8, but instead is regulated so as to extend downward from the suction plate 6. The same operation and effect can be obtained even if a member is provided so that the member comes into contact with the push-up plate 8. In addition, although the case where the object to be peeled is the cushioned cushion sheet 3 has been described, the invention is not limited to this, and it is needless to say that the invention can be applied to other types of sealed members.

[0030]

As described above, according to the present invention, the member with the seal can be accurately sucked by the suction member while maintaining the positional accuracy on the mount, so that the member with the seal can be separated from the mount. This ensures accurate positioning accuracy, and enables accurate application of the cushioned sheet with seal to the device in the next process. In addition, the cushioning property is prevented from being impaired, and good cushioning property is maintained.

[Brief description of the drawings]

FIGS. 1A to 1G are side views schematically showing a configuration of main parts of a peeling device for a cushioned sheet with a seal and an operation step thereof according to an embodiment of the present invention.

FIG. 2 is a perspective view of the mount to which the cushion sheet with a seal according to the embodiment of the present invention is attached.

FIG. 3 schematically shows a state in which a cushion sheet with a seal is used.

FIG. 4 is a perspective view of a backing sheet to which a conventional cushion sheet with a seal is attached.

5 (a) to 5 (f) are side views schematically showing a main part configuration of a conventional cushion sheet peeling device with a seal and an outline of operation steps thereof.

[Explanation of symbols]

 3 Cushion sheet with seal (member with seal) 4 Backing sheet 4a Positioning hole 5 Transfer plate (placement part) 6 Suction plate (suction member) 7 Backing sheet holder 8 Push-up plate (pull-up member) 8a Push-up needle 9 Height correlation Holding member (regulating member) 10 Positioning pin

Claims (6)

[Claims] 1. A peeling device for a part with a seal, which peels off a part with a seal having an adhesive applied to a back surface from a mount on which the part with a seal is attached, the mount having the part with a seal attached. And a mount holder that is arranged so as to be able to move up and down from above with respect to the mounting section, and that mounts the mount placed on the mount section, and is arranged so that it can move up and down from above with respect to the mounting section. A suction member for sucking a component with a seal attached to the mounting portion, and a push-up member having a push-up needle arranged to be able to move up and down from below with respect to the placement portion and pushing up the mount through a hole provided in the placement portion. And a positioning pin provided on the push-up member, which can be inserted into a positioning hole formed in the mount, and positions the mount before penetrating the mount with the push-up needle. 2. A peeling device for a part with a seal, which peels off a part with a seal having an adhesive applied to its back surface from a sheet on which the part with a seal is attached, wherein the sheet with the part with a seal is attached. And a mount holder that is arranged so as to be able to move up and down from above with respect to the mounting section, and that mounts the mount placed on the mount section, and is arranged so that it can move up and down from above with respect to the mounting section. A suction member for sucking a component with a seal attached to the mounting portion, and a push-up member having a push-up needle arranged to be able to move up and down from below with respect to the placement portion and pushing up the mount through a hole provided in the placement portion. And the push-up member or the suction member is provided, and when the push-up member is raised, it comes into contact with the suction member or the push-up member, and the dimension between the push-up needle of the push-up member and the suction member is constant. Synchronize the suction members when the interval is reached A peeling device for a part with a seal, comprising a regulating member for raising the push-up needle to prevent the pushing needle from applying a compressive force to the part with the seal. 3. The peeling device for a component with a seal according to claim 1, wherein the component with a seal is a cushion sheet with a seal. 4. A method of peeling a part with a seal having a pressure-sensitive adhesive applied to its back surface from a mount on which the part with a seal is attached, wherein the mount having the part with a seal is attached. A step of lowering the vertically movable adsorbing member, lowering the vertically movable adsorbing member to sandwich the part with the seal and the mounting sheet between the adhering member and the mounting section, and lowering the vertically movable backing sheet presser. Positioning the mounting sheet between the presser and the mounting portion, and raising the push-up member provided with the push-up needle and the positioning pin while sucking the component with the seal with the suction member, and positioning The pin for insertion is inserted into the positioning hole provided on the backing sheet and positioned in advance so that the backing sheet does not move, and the push-up needle penetrates the backing sheet to push up the backing sheet and peel off the part with the seal from the backing sheet. Having a step of How to peel off parts with screws. 5. A method for peeling a part with a seal having an adhesive applied to its back surface from a mount to which the part with a seal is attached, wherein the sheet having the part to which the seal is attached is attached. A step of lowering the vertically movable adsorbing member, lowering the vertically movable adsorbing member to sandwich the part with the seal and the mounting sheet between the adhering member and the mounting section, and lowering the vertically movable backing sheet presser. A step of sandwiching the backing sheet between the presser and the mounting portion, and raising the push-up member provided with a push-up needle while the component with the seal is being sucked by the suction member, and holding the mount sheet with the push-up needle. Having a peeling step of peeling off the part with the seal from the mount by pushing up the mount,
When the push-up member is raised in the peeling step, the regulating member provided on the push-up member or the suction member abuts on the suction member or the push-up member, and the dimension between the push-up member and the suction member is reduced. A method of peeling a part with a seal in which a suction member is raised synchronously at a predetermined interval to prevent the push-up needle from applying a compressive force to the part with a seal. 6. The method according to claim 4, wherein the part with a seal is a cushion sheet with a seal.