KR101557822B1 - Apparatus for providing film - Google Patents

Abstract

The present invention relates to a film feeder for peeling a release sheet of a film having a release paper on its upper and lower sides and feeding it to a subsequent process.
According to the present invention, as the film moves on the upper surface of the lower releasing paper peeling plate while being adhered to the adhesive tape, the film is separated from the adhesive tape due to external environmental factors such as wind, vibration and the like, So that the height of the uppermost film in the stacked film is kept constant, so that the film transferring section is required to further control the operation in accordance with the amount of the film to be loaded The film can be transferred even under the same operation without using the pressure roller. The pressure roller presses the upper and lower surfaces of the film evenly and presses the lower surface of the film evenly, thereby firmly adhering the film to the adhesive tape, have.

Description

[0001] APPARATUS FOR PROVIDING FILM [0002]

The present invention relates to a film supply apparatus.

Film is a material used in various assembly processes.

In the case of a liquid crystal display device, various types of films are used for a backlight unit for diffusing or reflecting light.

In order to prevent such a film from being damaged or contaminated before the assembly process, a method of protecting the film by attaching a release paper or a release film is widely used.

However, since only the film is used in the assembling process, it is inevitably necessary to remove the release paper or release film protecting the film, and a device for rapidly removing the release paper or release film without damaging the film is desperately required.

To this end, in Korean Patent Registration No. 2004-0083579 (published on Feb. 23, 2013, issued March 31, 2013, hereinafter referred to as "prior art"), an adhesive tape is attached to the upper surface of a film provided in the lower direction There has been proposed a technique in which upper and lower releasing papers of the film are peeled off by the upper and lower adhesive tapes while the film passes through the moving part.

However, the prior art does not provide a structure for firmly bonding the film and the adhesive tape in addition to the adhesive tape, in the process of transferring the adhesive tape to the upper surface of the film loaded on the first trial plate to the moving part , Due to wind, impact and vibration, the film falls down before being transferred to the moving part, or when only a part of the film is adhered to the adhesive tape and the film enters the wrong angle at the front of the moving part There is a problem that the upper release film may be peeled off before the film is transferred to the moving part and the film may be detached.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a technique for preventing a film being transferred from being dropped or damaged due to wind, impact,

In order to achieve this object, a film supply apparatus of the present invention comprises: a film loading section in which a plurality of films are stacked; A film transfer unit for transferring the film loaded on the film loading unit; And a release film peeling unit for peeling the upper and lower release papers of the film by adhering the film to the first adhesive tape and the second adhesive tape at the top and bottom of the film conveyed by the film conveyance unit, The film is transferred from the film loading portion to the film transfer start point of the release film peeling portion by the transferring portion so that the lower surface of the film can be adhered to the first adhesive tape moved along the release film peeling portion.

Here, the film loading portion may include: a loading portion in which the plurality of films are stacked; And a riser for elevating the loading portion in a vertical direction.

The film transfer unit may further include: a picker for vacuum-adsorbing the film loaded on the loading part; A lifting portion vertically lifting the picker; And a transport rail for guiding the picker to transport the film loaded on the loading portion to a film transport start point of the release film peeling portion.

The release paper peeling unit may include: a first supply reel for supplying a first adhesive tape to be adhered to the lower surface of the film; A second supply reel supplying a second adhesive tape adhered to the upper surface of the film; A first recovery reel for recovering a first adhesive tape to which a lower release sheet of the film is adhered; A second recovery reel for recovering a second adhesive tape to which an upper release film of the film is adhered; The first adhesive tape and the second adhesive tape are adhered to each other in such a manner that the first adhesive tape supplied from the first supply reel is adhered to the lower release sheet of the film and guided by the first adhesive tape guiding direction, A plurality of guide rollers guiding in a second adhesive tape guiding direction in which a second adhesive tape supplied from a second supply reel is adhered to an upper release film of the film and is recovered by the second recovery roll; A lower release sheet peeling plate on which the lower release sheet of the film moved through the first adhesive tape is peeled off; And a plurality of pressure rollers located above the lower release film peeling plate to press the second adhesive tape in the direction of the upper surface of the film to adhere the adhesive tape to the upper surface of the film passing under the pressure roller, Wherein the non-adhesive surface of the first adhesive tape is closely contacted with the upper surface of the lower release paper peeling plate by the plurality of guide rollers, and the upper surface of the upper surface of the lower release paper peeling plate The film may be moved toward the upper release film peeling portion while the lower surface of the supplied film is adhered to the adhesive surface of the first adhesive tape.

At this time, the upper release film peeling portion includes at least one pressure roller for pressing the upper surface of the film passing through the lower portion, a pressure driver for vertically moving the pressure roller, And a tilt guide.

The first adhesive tape and the second adhesive tape are adhered to the upper and lower surfaces of the film so that the first adhesive tape and the second adhesive tape adhered to the film are adhered to the upper surface and the lower adhesive tape, The lower and upper release sheets of the film adhered to the first adhesive tape and the second adhesive tape can be peeled off from the film as they are guided by the rollers in a direction different from the moving direction of the film.

The apparatus may further include a conveyor belt positioned behind the lower release film peeling plate and conveying the peeled film from the upper and lower release films by the upper release film peeling section and the lower release film peeling plate.

In addition, the film supply device may further include at least two tension absorbers for providing tension to the first adhesive tape and the second adhesive tape guided by the plurality of guide rollers.

As described above, the present invention has the following effects.

First, as the film moves on the upper surface of the lower release laminating plate while being adhered to the adhesive tape, the film is separated from the adhesive tape due to external environmental factors such as wind, vibration, etc. to prevent the film from being damaged or peeling off .

Second, since the stacked portion is lifted in the vertical direction according to the amount of the film to be loaded, the height of the film positioned at the uppermost position among the stacked films is kept constant and the film transferring portion is moved in the same direction The film can be fed.

Third, the pressure roller presses the upper and lower surfaces of the film evenly through the lower portion, and the film is firmly adhered to the adhesive tape, thereby minimizing the peeling failure of the release film of the film.

1 shows a film supply apparatus according to an embodiment of the present invention.
2 shows a film transfer part of the present invention.
Fig. 3 shows a direction in which the first adhesive tape and the second adhesive tape of the film supply device according to the embodiment of the present invention are guided.
4 illustrates a method of peeling an upper release film of a film supply apparatus according to an embodiment of the present invention.
FIG. 5 shows a peeling method of the lower release paper shown in FIG.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for simplicity of explanation.

≪ Configuration of Film Feeder >

Figure 1 shows a film feeder according to one embodiment of the present invention, Figure 2 shows a film transfer part of the invention, Figure 3 shows a first adhesive tape And the direction in which the second adhesive tape is guided.

The film supply apparatus 100 according to an embodiment of the present invention may include a film loading unit 110, a film transfer unit 120 and a release stripping unit 130 and a tension supply unit 140.

The film loading unit 110 can be installed on the side of the film transfer start point of the release film peeling unit 130 and can load a single film having the release film on both sides thereof and the loading part 111 and the rise unit 112 .

The loading part 111 is provided in the form of a plate connected to the elevator 112 and can be stacked in a laminated form on the film F having the release paper on both sides thereof.

Here, the stacking part 111 may be provided with a plurality of bars (not shown) and a guide groove (not shown) into which a guide (not shown) is inserted to prevent the stacked film from deviating from the stacking point , A plurality of guide grooves (not shown) having various widths may be formed depending on the size of the laminated film.

The elevator 112 is connected to the lower portion of the loading portion 111, so that the loading portion 111 can be raised in the vertical direction.

At this time, the elevator 112 maintains the height of the film F positioned at the highest level among the films stacked on the stacking part 111 to be constant, so that the film transferring part 120 performs the same operation regardless of the amount of the stacked film F The film F can be transported.

The film transfer unit 120 may suck and transfer the film F loaded on the film loading unit 110 and attach the first film to the first adhesive tape T1 located at the film transfer start point of the release film peeling unit 130 A picker 121, an elevation portion 122, and a conveying rail 123.

The picker 121 can suck the film F stacked on the stacking portion 111 in a sheet unit by controlling the vacuum force and can remove the first adhesive tape The film F can be moved along the first adhesive tape T1 by stopping the adsorption when the film F is adhered to the adhesive surface of the first adhesive tape T1.

The lifting part 122 moves the picker 121 in the vertical direction so that friction is not applied to the film stacked on the lower part in the process of attracting and moving the film F loaded on the stacking part 111 by the picker 121 And the picker 121 is moved in the vertical direction so that the film F adsorbed on the picker 121 is attached above the first adhesive tape T1 located at the film transfer start point of the release paper peeling unit 130 Can be lowered.

Here, the elevating part 122 may be an actuator, a sub motor, or the like capable of reciprocating drive by a specified distance

The transfer rail 123 transfers the film F loaded on the film loading unit 110 to the picker 121 to transfer the film F to the film transfer start point of the release film peeling unit 120 located on the side of the film loading unit 110. [ And the elevation part 122 can be moved in the horizontal direction.

It is possible to remove the upper and lower release papers of the film F that are moved while being adhered to the first adhesive tape T1 located at the film transfer start point of the release paper stripping unit 130, The upper release film peeling section 137 and the conveyor belt 138 are provided on the upper side of the supply reel 132, the first recovery reel 133, the second recovery reel 134, the guide roller 135, the lower release film peeling plate 136, .

The first supply reel 131 can supply the first adhesive tape T 1 wound on the first supply reel 131 to the lower release lapping plate 136 through the rotation drive.

The second supply reel 132 can supply the second release tape T2 wound on the second supply reel 132 to the upper release film peeling portion 137 via the rotation drive.

The first recovering reel 133 is rotatably driven at the same speed as the first supply reel 131 to recover the first adhesive tape T 1 guided in the first adhesive tape guiding direction G 1.

The second recovery reel 134 is rotatably driven at the same speed as the second supply reel 132 to recover the second adhesive tape T2 guided in the second adhesive tape guiding direction G2.

The first adhesive tape T1 is guided in the first adhesive tape guiding direction G1 so that the first adhesive tape T1 supplied from the first supply reel 131 Can be moved to the lower release paper peeling plate 136 and recovered by the first recovery reel 133.

The second adhesive tape T2 is guided in the second adhesive tape guiding direction G2 so that the second adhesive tape T2 supplied from the second supply reel 132 is moved to the upper surface release film peeling portion 137 And can be recovered by the second recovery reel 134.

The lower release liner release plate 136 can remove the lower release liner F1 of the film through the first adhesive tape T1 guided by the guide roller 135. [

The film F is attached to the adhesive surface of the first adhesive tape T1 so that the non-adhesive surface of the first adhesive tape T1 slides on the upper surface of the lower release film peeling plate 136, Can be moved on the lower release paper peeling plate 136.

The first release tape F1 is peeled off from the lower release film F1 by the first adhesive tape T1 at the rear of the lower release film peeling plate 136 so that the inner release film F1 is peeled off, (138). ≪ / RTI >

The upper release film peeling portion 137 is located above the lower release film peeling plate 136 and is disposed on the upper surface of the film F which is moved on the upper surface of the lower release film peeling plate 136 through the first adhesive tape T1. And can include a pressure roller 137a, a pressure driver 137b, and a bending guide 137c.

The pressing roller 137a may be constituted by a plurality of pressure rollers 137a and presses the upper surface of the film F passing through the lower portion by the lowering of the pressing driver 137b to press the upper surface of the film F in the second adhesive tape guiding direction The second adhesive tape T2 guided along the second adhesive tape G2 can be adhered.

When the pressing roller 137a is brought into contact with the film F passing through the lower end thereof, the roller is rotated in proportion to the passing speed of the film F, and thereby, by the friction applied above and below the film F The second adhesive tape T2 can be attached to the upper surface of the film F while preventing the film F from being deformed.

Here, the pressure roller 137a prevents the second adhesive tape T2 passing downward and the second adhesive tape T2 and the film F from being damaged or deformed when pressure is applied to the film F A buffering member (not shown) such as silicone or urethane may be further provided on the roller surface of the pressure roller 137a.

The pressure driver 137b is connected to the pressure roller 137a so as to vertically move the pressure roller 137a.

Here, the pressure driver 137b may be an actuator, a sub motor, or the like capable of reciprocating drive by a specified distance

The bending guide 137c may be provided at one side of the pressure roller 137a located at the rear side and changes the refraction angle of the second adhesive tape T2 guided along the pressure roller 137a located at the rear side.

Here, the bending guide 137c reduces the refraction angle of the guided second adhesive tape to prevent the upper release sheet F2, which is adhered and peeled off from the second adhesive tape T2, from being easily separated from the second adhesive tape T2 .

The conveyor belt 138 is disposed at the rear of the lower release sheet peeling plate 136 and the upper and the lower release sheets F 1 and F 2 are peeled off by the upper release sheet peeling portion 137 and the lower release sheet peeling plate 136 The film F0 can be transported.

The tension providing unit 140 applies tension to the first adhesive tape T1 and the second adhesive tape T2 guided along the first adhesive tape guiding direction G1 and the second adhesive tape guiding direction G2, The first adhesive tape T1 and the second adhesive tape T2 can be guided while being pulled tightly and the first tensioning feeder 141 and the second adhesive tape T2, which provide tension to the first adhesive tape T1, And a second tensioning unit 142 for providing a tension to the second tension unit T2.

<Top and bottom of the film feeder Release paper  Removal method>

4 illustrates peeling of the top release of the film supply device according to an embodiment of the present invention.

4 (a), the film F is a step in which the film F adhered to the first adhesive tape T1 is guided in the first adhesive tape guiding direction G1.

The first adhesive tape T1 adhered to the lower surface of the film F is guided along the first adhesive tape guiding direction G1 so that the film F contacts the lower release film peeling plate 136, As shown in FIG.

Step (b) of FIG. 4 is a step of peeling the upper release film F2 of the film.

At this stage, when the film F is positioned below the upper release film peeling portion 137, the pressure roller 137a is lowered in the vertical direction so that the second adhesive tape T2 adheres to the upper surface of the film F Loses.

Here, the pressing roller 137a can sequentially descend the pressing roller 137a located at the front and the pressing roller 137a located at the rear in accordance with the moving position of the film F passing below, When the film F passes under the roller 137a, the front and rear pressing rollers 137a can descend at the same time.

The upper release film F2 of the film F is moved along the guiding direction G2 of the second adhesive tape while being attached to the second adhesive tape T2 so that the upper release film F2 of the film F It is peeled off.

The upper release film F2 of the film F has a smaller thickness than the inner film F0 so that the upper release film F2 has a higher refractive index than the inner film F0.

Therefore, in the process of moving the upper release film F2 in the second adhesive tape guiding direction G2 while being adhered to the second adhesive tape T2, the upper release film F2 is peeled off from the film F.

Fig. 5 shows the peeling of the lower release paper shown in Fig.

5A, the film F0, F1 from which the upper release film F2 has been removed is moved to the rear point of the lower release film peeling plate 136 and the lower release film F1 is peeled off.

At this stage, the lower releasable paper sheet F1 has a smaller thickness and a higher refractive index than the inner film F0, as in the case of the upper releasable paper sheet F2, The adhesive tape is peeled while being moved in the first adhesive tape guiding direction G2.

5B is a step in which the inner film F0 with the upper release film F2 and the lower release film F1 peeled off is seated on the conveyor belt 138 located behind the lower release film peeling plate 136 .

Thereafter, the inner film F0 is conveyed to the downstream process through the rotational drive of the conveyor belt 138, and the conveyed inner film passes through a separate feed arm (not shown) located at the rear end of the conveyor belt 138 May be supplied to the assembly.

As a result, according to the present invention, as the film transfer portion moves vertically to the adhesive tape located at the film transfer start point to adhere the film and moves on the upper surface of the lower release film peeling plate while being adhered to the adhesive tape, By the external environmental factors, the film is separated from the adhesive tape to prevent the film from being damaged or peeling off, and the stacking portion rises in the vertical direction according to the amount of the film to be loaded, So that the film is conveyed in the same operation without the need to additionally control the operation according to the loading amount of the film conveying portion and the pressing roller evenly presses the upper and lower surfaces of the film passing through the lower portion, It is possible to minimize the defective peeling of the release paper by firmly adhering to the tape It provides a flow supply.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And the scope of the present invention should be understood as the following claims and their equivalents.

100: Film feeder
110: Film loading part
111:
112:
120: Film transport unit
121: Picker
122:
123: Feed rail
130: release paper stripper
131: first supply reel
132: second supply reel
133: 1st reel
134: 2nd reel
135: Guide roller
136: Lower release plate Peel plate
137: upper release film peeling portion
137a: pressure roller
137b:
137c: Twist guide
138: Conveyor belt
140:
141: First tensioner
142: 2nd tensioner
T1: first adhesive tape
T2: second adhesive tape
G1: first adhesive tape guiding direction
G2: second adhesive tape guiding direction
F: Film
F1:
F2: upper release paper
F0: Inner film

Claims (8)

A film loading part in which a plurality of films are laminated and stacked;
A film transfer unit for transferring the film loaded on the film loading unit; And
And a release paper peeling unit for peeling the upper and lower release sheets of the film by adhering to the first adhesive tape and the second adhesive tape on the upper and lower portions of the film conveyed by the film conveyance unit,
The film is transferred to the film transfer start point of the release paper peeling section in the film stacking section by the film transfer section and the lower surface of the film is adhered to the first adhesive tape moved along the release paper peeling section,
Wherein the film loading section comprises:
A loading portion in which the plurality of films are stacked; And
And a riser for elevating the loading portion in a vertical direction,
The film transfer portion
A picker for vacuum-adsorbing the film loaded on the loading part;
A lifting portion vertically lifting the picker; And
And a conveying rail for guiding the picker to convey the film loaded on the loading portion to the film transfer starting point of the release film peeling portion,
Wherein the release paper peeling unit comprises:
A first supply reel supplying a first adhesive tape adhered to the lower surface of the film;
A second supply reel supplying a second adhesive tape adhered to the upper surface of the film;
A first recovery reel for recovering a first adhesive tape to which a lower release sheet of the film is adhered;
A second recovery reel for recovering a second adhesive tape to which an upper release film of the film is adhered;
The first adhesive tape and the second adhesive tape are adhered to each other in such a manner that the first adhesive tape supplied from the first supply reel is adhered to the lower release sheet of the film and guided by the first adhesive tape guiding direction, A plurality of guide rollers guiding in a second adhesive tape guiding direction in which a second adhesive tape supplied from a second supply reel is adhered to an upper release film of the film and is recovered by the second recovery roll;
A lower release sheet peeling plate on which the lower release sheet of the film moved through the first adhesive tape is peeled off; And
Wherein a plurality of pressure rollers press the second adhesive tape in the direction of the upper surface of the film and adhere the adhesive tape to the upper surface of the film passing under the pressure roller, And an upper release film peeling portion for peeling the upper release film,
Wherein the non-adhesive surface of the first adhesive tape is closely contacted with the upper surface of the lower release paper peeling plate by the plurality of guide rollers, and the lower surface of the film supplied by the film transferring portion is adhered to the first adhesive tape And the film is moved in the direction of the upper release film peeling portion while being adhered to the upper surface
Film feeder.
delete delete delete The method according to claim 1,
Wherein the upper release film peeling portion comprises:
At least one pressure roller for pressing an upper surface of the film that passes downward;
A pressure driver for vertically moving the pressure roller; And
And a folding guide
Film feeder.
The method according to claim 1,
The first adhesive tape and the second adhesive tape are adhered to the upper and lower surfaces of the film so that the first adhesive tape and the second adhesive tape adhered to the film are adhered to the plurality of guide rollers The lower and upper release sheets of the film adhering to the first adhesive tape and the second adhesive tape are peeled off from the film as they are guided in directions different from the moving direction of the film
Film feeder.
The method according to claim 1,
Wherein the release paper peeling unit comprises:
And a conveyor belt located behind the lower release film peeling plate and conveying the peeled film of the upper and lower release films by the upper release film peeling section and the lower release film peeling plate
Film feeder.
The method according to claim 1,
Wherein the film supply device comprises:
And at least two tension imparting units for imparting tension to the first adhesive tape and the second adhesive tape guided by the plurality of guide rollers
Film feeder.

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