KR102553891B1 - Roll to roll apparatus - Google Patents

Abstract

One embodiment of the present invention provides a roll-to-roll device capable of continuously supplying raw material wound around a plurality of supply rolls without interruption and recovering the raw material by being wound around a plurality of recovery rolls without stopping the supply and transport of the raw material. Here, the roll-to-roll device includes an unwinder unit, a rewinder unit, and a splice unit. The unwinder unit has a plurality of supply rolls on which films are wound in roll form. The rewinder unit has a plurality of recovery rolls on which the film supplied from the unwinder unit is wound. The splice unit connects the film being supplied, which is wound on another supply roll, to the film being supplied, before the film being supplied from one of the plurality of supply rolls is completely unwound, so that the film being supplied is not cut off. and continuously supplied to the rewinder unit.

Description

Roll-to-roll device {ROLL TO ROLL APPARATUS}

The present invention relates to a roll-to-roll device, and more particularly, to continuously supply the material wound on a plurality of supply rolls without interruption, and to recover the material by being wound on a plurality of recovery rolls without stopping the supply and transport of the material. It relates to a roll-to-roll device.

In general, a roll-to-roll device supplies a supply roll on which a sheet or strip-shaped material such as fabric, film, resin, substrate, etc. is wound, and the material wound on the supply roll, applies a necessary process to the supplied material, and then winds and recovers the material. Include recovery roll.

In a conventional roll-to-roll device, the material wound on one supply roll is supplied, and the material to which the process is applied is wound and recovered on one recovery roll while being supplied.

Therefore, when all of the material wound on one conventional supply roll is unwound, the roll-to-roll device is stopped, the empty supply roll is separated, and a new supply roll with the material wound thereon is installed. In addition, when all the material is recovered in one recovery roll, the roll-to-roll device is stopped, the recovered recovery roll is separated, and a new empty recovery roll is installed. This is a problem in that the process time increases. It works.

Republic of Korea Patent Publication No. 2018-0138400 (2018.12.31. Publication)

In order to solve the above problems, the technical problem to be achieved by the present invention is to continuously supply the material wound on a plurality of supply rolls without interruption, and to recover the material by being wound on each of the plurality of recovery rolls without stopping the supply and transport of the material It is to provide a roll-to-roll device capable of

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

In order to achieve the above technical problem, an embodiment of the present invention is an unwinder unit having a plurality of supply rolls in which a film is wound in a roll form; a rewinder unit having a plurality of recovery rolls on which the film supplied from the unwinder unit is wound; And before the film being supplied from any one of the plurality of supply rolls is completely unwound, the film being prepared for supply, which is wound on another supply roll, is connected to the film being supplied, so that the film being prepared for supply is not cut off. It provides a roll-to-roll device comprising a; splice unit to be continuously supplied to the rewinder unit with the film.

In an embodiment of the present invention, the splice unit is disposed close to the supply path of the film supplied by being unwound from the plurality of supply rolls, adsorbs and cuts the film being supplied, and cuts the film being supplied. It is possible to connect the rear end of the front end of the film being prepared for supply with a tape.

In an embodiment of the present invention, the splice unit includes an installation base, a first suction unit provided on the installation base and adsorbing the film being supplied or the film being prepared for supply, and A second suction part provided adjacent to the first suction part, adsorbing the tape, and passing through the first slit, and moving through the first slit to cut the film being supplied or the film being prepared for supply. It may have a first cutting part and a first moving part for reciprocating the installation base in a linear direction.

In an embodiment of the present invention, the splice units are disposed in pairs symmetrically on both sides of the supply path, and among the splice units, the first splice unit disposed on one side of the film being prepared for supply The first adsorption unit adsorbs the film in preparation for supply, the first cutting unit cuts the film in preparation for supply so that the front end of the film in preparation for supply is located in the first slit, and the supply unit is in the splice unit. The second adsorption part of the second splice unit disposed on one side of the film in the middle adsorbs the tape, and the first moving part of the first splice unit and the first moving part of the second splice unit, respectively. The installation base of the first moves in the direction of each other, the first cutting part of the first splice unit cuts the film being supplied, and the second moving part of the second splice unit cuts the second splice unit. The second adsorption unit of the unit may be moved in the direction of the second adsorption unit of the first splice unit so that the tape connects the rear end of the film being supplied and the front end of the film being prepared for supply.

In an embodiment of the present invention, the rewinder unit includes a rotation unit having one end of the plurality of recovery rolls rotatably provided, and a first recovery roll, which is any one of the plurality of recovery rolls, when the film is wound, A second rotation driving unit for rotating the rotary unit so that the film supplied to be wound on the first recovery roll passes close to the second recovery roll, which is another recovery roll, and when a preset amount of film is wound on the first recovery roll, A cutting and pressing unit may be provided to simultaneously press and cut the film supplied to be wound on the first recovery roll in the direction of the second recovery roll so that the subsequently supplied film is wound around the second recovery roll without stopping.

In an embodiment of the present invention, the cutting pressing unit is provided on a first rotary arm rotating about one end and the other end of the first rotary arm, and between the first recovery roll and the second recovery roll. A first pressure roller that presses the film so that the film approaches the second recovery roll, and a film provided on the first rotary arm and brought close to the second recovery roll by the first pressure roller. A second pressure roller that presses with a second recovery roll, and a second pressure roller that is provided between the first pressure roller and the second pressure roller and cuts the film so that the subsequently supplied film is wound around the second recovery roll. It may have a cutting part.

In an embodiment of the present invention, the rewinder unit controls the supply margin of the film supplied to the second recovery roll so that the supply of the film does not stop when the cutting pressing unit cuts the film supplied thereto. can have wealth

According to an embodiment of the present invention, the splice unit connects the film being supplied, which is wound on another supply roll, to the film being supplied before the film being supplied from any one of the plurality of supply rolls is unwound. It is possible to ensure that the phosphorus film is continuously supplied to the rewinder unit together with the film being supplied without interruption.

In addition, according to an embodiment of the present invention, the rewinder unit can allow the film wound on one recovery roll to be continuously wound on another recovery roll without stopping.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the detailed description of the present invention or the configuration of the invention described in the claims.

Since these drawings are for reference in explaining exemplary embodiments of the present invention, the technical spirit of the present invention should not be construed as being limited to the accompanying drawings.
1 is a schematic front view of a roll-to-roll device according to an embodiment of the present invention.
2 is a schematic front view showing an unwinder unit of a roll-to-roll device according to an embodiment of the present invention.
3 is a front view illustrating an operation of an unwinder unit of a roll-to-roll device according to an embodiment of the present invention.
4 is a perspective view showing an installation base of a splice unit of a roll-to-roll device according to an embodiment of the present invention as a center.
5 and 6 are front views illustrating the operation of the splice unit of the roll-to-roll device according to an embodiment of the present invention.
7 and 8 are exemplary views for explaining the operation of the tape supply unit of the splice unit of the roll-to-roll device according to an embodiment of the present invention.
9 is an exemplary diagram for explaining the operation of a splice unit of a roll-to-roll device according to an embodiment of the present invention.
FIG. 10 is an exemplary plane view for explaining the operation of the splice unit in FIG. 9 .
11 is an exemplary diagram for explaining the operation of a splice unit of a roll-to-roll device according to an embodiment of the present invention.
12 is an exemplary diagram for explaining the operation of the splice unit in FIG. 11;
13 is an exemplary diagram for explaining the operation of an unwinder unit and a splice unit of a roll-to-roll device according to an embodiment of the present invention.
14 and 15 are exemplary diagrams for explaining the operation of the splice unit of the roll-to-roll device according to an embodiment of the present invention.
16 is an exemplary diagram for explaining the operation of an unwinder unit and a splice unit of a roll-to-roll device according to an embodiment of the present invention.
17 and 18 are exemplary diagrams for explaining the operation of the rewinder unit of the roll-to-roll device according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic front view of a roll-to-roll device according to an embodiment of the present invention.

As shown in FIG. 1 , the roll-to-roll device according to an embodiment of the present invention may include an unwinder unit 100, a rewinder unit 200, and a splice unit 300.

The unwinder unit 100 may have a plurality of supply rolls 110a and 110b in which films 10a and 10b are wound in a roll form.

Here, the material used in the roll-to-roll device may be a sheet or strip-shaped material such as a fabric, resin, or substrate as well as a film, but in this specification, it is described as a 'film' for convenience of explanation.

In addition, hereinafter, for convenience of description, the supply roll disposed on one side of the plurality of supply rolls is referred to as the first supply roll 110a, the film of the first supply roll 110a is supplied to the film 10a, and the other side Although the disposed supply roll is referred to as the second supply roll 110b and the film of the second supply roll 110b is described as the film 10b being prepared for supply, even in the opposite case, the description hereinafter will be equally applied. Of course you can.

The rewinder unit 200 may have a plurality of recovery rolls 210a and 210b on which the film supplied from the unwinder unit 100 is wound.

In addition, the splice unit 300 is preparing for supply wound on another supply roll 110b before the film 10a being supplied from one of the plurality of supply rolls 110a and 110b is completely unwound. By connecting the phosphor film 10b to the film 10a being supplied, the film 10b being prepared for supply can be continuously supplied to the rewinder unit 200 together with the film 10a being supplied without interruption.

The splice units 300 may be disposed in pairs symmetrically on both sides of the film supply path. Hereinafter, for convenience of description, different reference numerals are assigned to the splice unit 300a disposed on one side and the splice unit 300b disposed on the other side to distinguish them, but the splice unit 300a disposed on one side and Of course, the splice units 300b disposed on the other side may be driven in the same manner.

Also, the roll-to-roll device may include an accumulator unit 400 , and the accumulator unit 400 may be provided between the splice unit 300 and the rewinder unit 200 .

While the splice unit 300 connects the film 10b being supplied and the film 10a being supplied, the accumulator unit 400 adjusts the supply margin of the film being supplied at the rear of the splice unit 300 so that the film is being supplied. This can be supplied to the rewinder unit 200 without stopping.

2 is a schematic front view showing an unwinder unit of a roll-to-roll device according to an embodiment of the present invention, and FIG. 3 is a front view of an unwinder unit of a roll-to-roll device according to an embodiment of the present invention. It is a front example to explain the operation.

As shown in FIGS. 2 and 3 , the unwinder unit 100 may have a first supply roll 110a, a second supply roll 110b, and deflection compensation parts 120a and 120b.

The deflection compensation parts 120a and 120b may be disposed as a pair on both sides of the supply path of the film and provided symmetrically with each other.

In detail, the film 10a being supplied from the first supply roll 110a may be supplied to the first guide roller 131 via the deflection compensation unit 120a on one side.

A plurality of guide rollers such as the second guide roller 132a and the third guide roller 133a may be additionally disposed between the first supply roll 110a and the deflection compensation unit 120a.

The deflection compensation unit 120a may have a first driving unit 121a and a deflection compensation roller 126a.

The first driving unit 121a may be provided in a horizontal direction. The first driving unit 121a may push or pull the deflection compensation roller 126a in a horizontal direction. The first driving unit 121a may include a pneumatic cylinder, a hydraulic cylinder, or a motor.

The deflection compensation roller 126a may reciprocate in a horizontal direction and appropriately compensate for deflection of the film 10a being supplied.

The deflection compensation unit 120a may further include a rail or slider to guide the movement of the deflection compensation roller 126a in a horizontal direction.

The other side sagging amount compensating unit 120b is formed in the same configuration as the aforementioned one side sagging amount compensating unit 120a and functions in the same way, and when necessary, the sagging amount of the film 10b supplied from the second supply roll 110b. can be supplemented appropriately.

4 is a perspective view showing the installation base of the splice unit of the roll-to-roll device according to an embodiment of the present invention, and FIGS. 5 and 6 are the splice units of the roll-to-roll device according to an embodiment of the present invention. It is a front example to explain the operation.

Here, the first splice unit 300a disposed on one side of the film 10b being prepared for supply among the pair of splice units will be described as a reference.

4 to 6, the first splice unit 300a includes an installation base 310a, a first suction part 320a, a second suction part 330a, a first cutting part 340a, and a second 1 may have a moving part (350a).

The first suction parts 320a may be provided on the installation base 310a and may be spaced apart from each other and disposed as a pair. A first suction hole 321a may be formed in the first suction portion 320a, and each first suction portion 320a may be controlled to independently generate an absorption force. Through this, the film can be selectively adsorbed on one surface (upper surface when referring to FIG. 4 ) of the first adsorption unit 320a.

And, the second suction part 330a may be provided adjacent to the first suction part 320a on the installation base 310a, and may be preferably disposed between the pair of first suction parts 320a. there is.

A second suction hole 331a may be formed in the second suction portion 330a, and a first slit 332a may be formed through the second suction portion 330a.

The adsorption area of the second adsorption unit 330a may be divided by the first slit 332a, and each second adsorption unit 330a divided by the first slit 332a may be controlled to independently generate an adsorption force. can Through this, a film or tape may be selectively adsorbed on one surface (upper surface as shown in FIG. 4 ) of the second adsorption unit 330a. This will be described in more detail with reference to FIG. 10 .

Meanwhile, the first cutting part 340a may pass through the first slit 332a. The first cutting part 340a may pass through one surface (the upper surface when referring to FIG. 4 ) of the second suction part 330a and move, and through this, a film or tape adsorbed to the second suction part 330a. can be cut.

The first moving unit 350a may reciprocate the installation base 310a in a linear direction. The first moving unit 350a may include a pneumatic cylinder, a hydraulic cylinder, or a motor.

And, the first splice unit 300a includes a flange 311a coupled to the installation base 310a, a rotating shaft 312a coupled to the flange 311a, and a connecting bar 382a connected to the rotating shaft 312a. can have The rotating shaft 312a may be rotatably provided on a post 313a provided on the upper part of the first moving part 350a (see FIG. 5 ).

In addition, the first splice unit 300a may have a first rotation driving unit 380a, and the first rotation driving unit 380a may be a working cylinder (pneumatic cylinder or hydraulic cylinder), and may include a first rod 381a. can have The connection bar 382a may have one end connected to the rotation shaft 312a and the other end connected to the first rod 381a. Accordingly, when the first rod 381a reciprocates, the connecting bar 382a and the rotating shaft 312a rotate, and at the same time, the flange 311a rotates and the installation base 310a also rotates the rotating shaft 312a as a center of rotation. It can be rotated (see FIG. 6).

7 and 8 are exemplary views for explaining the operation of the tape supply unit of the splice unit of the roll-to-roll device according to an embodiment of the present invention.

As shown in FIGS. 4, 7 and 8, the first splice unit 300a may have a tape supply unit 360a.

The tape supply unit 360a may include a second driving unit 361a, a second rod 362a, a first slider 363a, and a third suction unit 364a.

The second driving unit 361a may push or pull the second rod 362a in a horizontal direction.

The first slider 363a may be coupled to the second rod 362a, and the first slider 363a may reciprocate in a horizontal direction.

The second driving unit 361a may include a pneumatic cylinder, a hydraulic cylinder, or a motor.

Also, the third suction part 364a may be provided on the first slider 363a and may move in a vertical direction. Through this, the third adsorption unit 364a may reciprocate in a horizontal direction or a vertical direction, respectively.

Also, the tape supply unit 360a may include a fourth suction unit 371a and a cutter 373a.

The supplied tape 20 may be positioned on the upper surface of the fourth adsorption portion 371a. A fourth suction hole 372a may be formed in the fourth suction portion 371a, and the fourth suction portion 371a may absorb the supplied tape 20. The suction power of the fourth suction unit 371a may be controlled by the first vacuum pump 375a.

The cutter 373a may be provided on one upper side of the fourth suction part 371a and may be movable in a vertical direction.

Also, a second slit 374a into which the cutter 373a can be inserted may be formed in the fourth suction part 371a. When the cutter 373a descends and is inserted into the second slit 374a, the cutter 373a may cut the tape. The cut tape 21 may be continuously adsorbed to the fourth adsorption portion 371a.

Also, a third suction hole 365a may be formed in the third suction portion 364a, and the suction force of the third suction portion 364a may be controlled by a vacuum pump (not shown). The adsorption force of the third adsorption unit 364a and the fourth adsorption unit 371a may be applied by driving each vacuum pump and may be blocked by a conventional valve. When the adsorption forces of the third adsorption unit 364a and the fourth adsorption unit 371a are controlled, one surface (referring to FIG. 4 , the lower surface) of the third adsorption unit 364a is adsorbed by the fourth adsorption unit 371a. The tape 21 may be adsorbed.

Hereinafter, an operation example of the tape supply unit 360a will be described.

First, the supplied tape 20 may be positioned on the upper surface of the fourth adsorption portion 371a. Further, when the cutter 373a descends in a state in which an adsorption force is generated in the fourth adsorption portion 371a to adsorb the tape 20, the cutter 373a cuts the tape 20.

When the third suction part 364a is positioned above the fourth suction part 371a, the first rotation driving part 380a rotates the installation base 310a to move the second suction part 330a to a horizontal state. It may be maintained as .

Thereafter, the third adsorption unit 364a descends to adsorb the tape 21 adsorbed to the fourth adsorption unit 371a so that the adsorption force of the fourth adsorption unit 371a is lost, and then the third adsorption unit 364a ) rises, the tape 21 is adsorbed to the third adsorption portion 364a and may rise together.

Then, the first slider 363a moves horizontally to move the third suction part 364a to the upper side of the second suction part 330a, and then the third suction part 364a descends to move the third suction part 364a. ), the tape 21 adsorbed on may be seated on the second adsorption portion 330a.

Thereafter, the adsorption force of the second adsorption unit 330a is generated so that the tape 21 is adsorbed to the upper surface of the second adsorption unit 330a, and the adsorption force of the third adsorption unit 364a is lost, and then the third adsorption unit 364a is lost. When the portion 364a rises, the tape 21 remains adsorbed to the second adsorption portion 330a.

Then, the first slider 363a moves horizontally again, so that the third suction part 364a can be moved upward of the fourth suction part 371a again. And, after the supplied tape 20 is placed on the upper surface of the fourth adsorption unit 371a again, the above-described process may be repeated, and through this, the tape 21 cut from the supplied tape 20 may be adsorbed on the upper surface of the second adsorption unit 330a.

Hereinafter, operation examples of the unwinder unit 100 and the splice unit 300 will be described.

9 is an exemplary view for explaining the operation of the splice unit of the roll-to-roll device according to an embodiment of the present invention, and FIG. 10 is an exemplary plan view for explaining the operation of the splice unit in FIG. 9 .

As shown in FIGS. 9 and 10 together with FIG. 2 , in the state in which the film 10a of the first supply roll 110a is supplied, the installation base 310a of the first splice unit 300a rotates and It can be kept horizontal.

In addition, the front end of the film 10b being prepared for supply of the second supply roll 110b may be positioned on the upper surfaces of the first adsorption unit 320a and the second adsorption unit 330a to be adsorbed. A process of positioning the front end of the film 10b being prepared for supply to the upper surfaces of the first adsorption unit 320a and the second adsorption unit 330a may be performed manually.

Here, the adsorption force of the pair of first adsorption units 320a' and 320a'' may be controlled by the second vacuum pump 323a and the third vacuum pump 324a, respectively. In addition, the adsorption force of the second adsorption parts 330a' and 330a'' whose adsorption areas are divided by the first slit 332a can be controlled by the fourth vacuum pump 325a and the fifth vacuum pump 326a, respectively. there is. Adsorption force may be applied by driving each vacuum pump, and may be blocked by a conventional valve.

In the initial state as shown in (a) of FIG. 10 , adsorption force may be generated in both the first adsorption units 320a' and 320a'' and the second adsorption units 330a' and 330a''.

In this state, when the first cutting part 340a passes through the first slit 332a and rises, the film 10b can be cut, and then one side of the first slit 332a (see FIG. 10). When this is done, the adsorption force of the first adsorption portion 320a' and the second adsorption portion 330a' of the left side may be blocked, and the remaining cut film 10c may be removed. Accordingly, the front end 11b of the film 10b being prepared for supply may be positioned on the same line as the first slit 332a.

Next, FIG. 11 is an exemplary diagram for explaining the operation of the splice unit of the roll-to-roll device according to an embodiment of the present invention, and FIG. 12 is an exemplary diagram for explaining the operation of the splice unit in FIG. 11 .

As shown in FIGS. 11 and 12 together with FIG. 2 , the installation base 310b of the second splice unit 300b may be rotated and maintained in a horizontal state.

Also, the third suction part 364b of the second splice unit 300b descends so that the tape 21a adsorbed to the third suction part 364b is adsorbed to the second suction part 330b.

The second suction part 330b may be movable in a vertical direction, and when the second suction part 330b is moved upward, the upper surface 322b of the first suction part 320b and the second suction part 330b may be moved. The top surface 333b may have the same height (see (a) of FIG. 12).

And, when the second suction part 330b moves downward, the upper surface 333b of the second suction part 330b may be lower than the upper surface 322b of the first suction part 320b, and the tape 21a It may be adsorbed on the upper surface 322b of the second adsorption unit 330b in the state.

The second splice unit 300b may have a third drive unit 314b, a third rod 315b, and a connection unit 316b, and the third drive unit 314b pushes the third rod 315b in a vertical direction. can be pulled or pulled. The third driving unit 314b may be a working cylinder (pneumatic cylinder or hydraulic cylinder).

The connection part 316b may have one end connected to the third rod 315b and the other end connected to the second suction part 330b. Through this, the second adsorption unit 330b may reciprocate in the vertical direction.

13 is an exemplary diagram for explaining the operation of an unwinder unit and a splice unit of a roll-to-roll device according to an embodiment of the present invention.

As shown in FIG. 2 and FIG. 13 , when the remaining amount of the film 10a wound on the first supply roll 110a is below a preset standard, the installation base 310a of the first splice unit 300a and the installation base 310b of the second splice unit 300b may be rotated upward to be in a vertical state. In addition, the deflection amount compensating roller 126b may be moved to the right to compensate for the deflection of the film 10b supplied from the second supply roll 110b. At this time, preferably, the deflection amount compensating roller 126b may be moved such that the right outer circumferential surface of the deflection amount compensating roller 126b is positioned on a virtual vertical line VL in contact with the right outer circumferential surface of the first guide roller 131 ( See (a) of FIG. 13).

Thereafter, the installation base 310a of the first splice unit 300a and the installation base 310b of the second splice unit 300b may be first moved to come closer to each other. Due to this first movement, the installation base 310a of the first splice unit 300a and the installation base 310b of the second splice unit 300b can press the two films 10a and 10b from both sides. . And, the deflection compensation roller 126a may move to the left (see FIG. 13(b)).

14 and 15 are exemplary diagrams for explaining the operation of the splice unit of the roll-to-roll device according to an embodiment of the present invention.

In FIGS. 14 and 15, for convenience of explanation, the thicknesses of the two films 10a and 10b are exaggerated, and as a result, the installation base 310a of the first splice unit 300a and the second splice unit It will be appreciated that there is shown a space between the mounting bases 310b of 300b.

In the state of (a) of FIG. 14 , the first and second suction parts 320a and 330a of the first splice unit 300a and the first suction part 320b of the second splice unit 300b ) and the second adsorption unit 330b may be provided with adsorption force. Accordingly, the film 10a being supplied is adsorbed to the first adsorption unit 320b of the second splice unit 300b, and the film 10b being prepared for supply is adsorbed to the first adsorption unit 300a of the first splice unit 300a. It may be adsorbed to the portion 320a and the second adsorption portion 330a.

In this state, the first cutting part 340a of the first splice unit 300a may pass through the first slit 332a and cut the film 10a being supplied while moving.

As described with reference to FIG. 12, since the second adsorption unit 330b of the second splice unit 300b is in a lowered state, the first cutting unit 340a cutting the film 10a being supplied It stays in the space 335 between the film 10a and the tape 21a, and thus the tape 21a may not be cut by the first cutting part 340a (see (b) of FIG. 14). .

Thereafter, the first cutting part 340a moves backward (see FIG. 15(a)), and the second suction part 330b of the second splice unit 300b moves to the second splice unit 300a. 2 When moving in the direction of the adsorption part 330a, the tape 21a is attached to the rear end of the film 10a being supplied and the front end of the film 10b being prepared for supply so that they can be connected to each other (FIG. 15(b) ) reference).

And, FIG. 16 is an exemplary view for explaining the operation of the unwinder unit and the splice unit of the roll-to-roll device according to an embodiment of the present invention, as further including FIG. 16, the first splice unit The first adsorption portion 320a and the second adsorption portion 330a of the 300a and the first adsorption portion 320b and the second adsorption portion 330b of the second splice unit 300b block the adsorption force. The installation base 310a of the first splice unit 300a and the installation base 310b of the second splice unit 300b may move away from each other. At the same time, the deflection amount compensating rollers 126a and 126b may also move backward to separate from each other. Then, the film 10b of the second supply roll 110b can be continuously supplied integrally with the film 10a of the first supply roll 110a without interruption.

Previously, the case where the film of the first supply roll 110a is being supplied and the film of the second supply roll 110b is being prepared for supply has been described, but on the contrary, the film of the second supply roll 110b is being supplied, and the film of the second supply roll 110b is being supplied. When the film of the first supply roll 110a is being prepared for supply, the same function and effect can be implemented by applying the above-described method in reverse to the first splice unit 300a and the second splice unit 300b. Of course.

17 and 18 are exemplary diagrams for explaining the operation of the rewinder unit of the roll-to-roll device according to an embodiment of the present invention.

As shown in FIGS. 17 and 18 together with FIG. 2 , the rewinder unit 200 includes a rotation unit 220, recovery rolls 210a and 210b, a second rotation driving unit 230, a cutting pressing unit 240, and an adjusting unit. (250).

The rotating unit 220 may be rotatably provided, and the second rotation driving unit 230 may rotate the rotating unit 220 .

A plurality of recovery rolls 210a and 210b may be provided in the rotation unit 220, and the recovery rolls 210a and 210b may be rotatably provided.

Hereinafter, for convenience, a case in which the film is first wound around the first recovery roll 210a, which is one of the two recovery rolls 210a and 210b, and then the film is wound around the second recovery roll 210b will be described.

The film 10a being supplied may be wound around the rotating first recovery roll 210a. At this time, based on the supply direction of the film 10a being supplied, the first recovery roll 210a is located in front of the first recovery roll 210a, and the second recovery roll 210b is the first recovery roll 210b. (210a) may be located in the rear (see Fig. 17 (a)).

Then, when the film 10a being supplied to the first recovery roll 210a is wound by a preset first winding amount, the second rotation drive unit 230 rotates the rotation unit 220 to move the first recovery roll 210a. may be positioned backward, and the second recovery roll 210b may be positioned forward. Through this, the film 10a being supplied to be wound on the first recovery roll 210a may pass close to the second recovery roll 210b (see (b) of FIG. 17).

Meanwhile, the first winding amount may be set in advance, and the rewinder unit 200 may include a separate sensing configuration for sensing the first winding amount.

Then, when the film of the preset second winding amount is wound on the first recovery roll 210a, the cutting pressure unit 240 second recovers the film 10a being supplied so as to be wound on the first recovery roll 210a. By simultaneously pressing and cutting with the roll 210b, the subsequently supplied film can be wound around the second recovery roll 210b without stopping. Here, the second winding amount may also be set in advance, and the rewinder unit 200 may include a separate sensing configuration for sensing the second winding amount.

Specifically, as shown in FIG. 17 (c) and FIG. 18 (a), the cutting pressure unit 240 includes a first rotary arm 241, a third rotation drive unit 243, and a first pressure roller 244. ), a second pressure roller 245 and a second cutting part 246.

The first rotary arm 241 may be provided to be rotatable with respect to a shaft 242 provided at one end, and the third rotary arm 243 may rotate the first rotary arm 241 .

Also, the first pressure roller 244 may be provided at the other end of the first rotary arm 241 . When the first rotary arm 241 rotates downward, the first pressure roller 244 presses the film 10a being supplied between the first recovery roll 210a and the second recovery roll 210b to press the film being supplied. (10a) may be brought close to the second recovery roll (210b).

The second pressure roller 245 may be provided between the shaft 242 and the first pressure roller 244 in the first rotary arm 241 . When the first rotary arm 241 is rotated downward and the first pressure roller 244 brings the film 10a being supplied closer to the second recovery roll 210b, the second pressure roller 245 moves the film 10a ) may be pressed by the second recovery roll 210b.

The second cutting unit 246 may be provided between the first pressure roller 244 and the second pressure roller 245, and may cut the film 10a being supplied.

Here, the first distance between the first pressure roller 244 and the second cutting part 246 is preferably longer than the second distance between the second pressure roller 245 and the second cutting part 246 . That is, it is preferable that the first pressure roller 244 is disposed farther than the second pressure roller 245 based on the second cutting part 246 .

Through this, a phenomenon in which the film 10a being supplied is cut in advance by the second cutting unit 246 in the process of the first pressure roller 244 bringing the film 10a being supplied close to the second recovery roll 210b. this can be prevented. In addition, the film 10a can be stably wound around the second recovery roll 210b by being immediately pressed on the second recovery roll 210b by the second pressure roller 245 as soon as it is cut by the second cutting part 246. there will be

The second recovery roll 210b may be in a rotating state, and an adhesive layer may be provided on an outer circumferential surface of the second recovery roll 210b. Here, the adhesive layer may be, for example, a double-sided tape.

When the second cutting unit 246 cuts the film 10a being supplied, the film 10a' that is subsequently supplied starting from the portion pressed on the second recovery roll 210b by the second pressure roller 245 Silver may be wound around the second recovery roll 210b. After the cutting process is completed, the first rotary arm 241 may be rotated upward.

In this way, in the rewinder unit 200, the film wound on one recovery roll can be continuously wound on another recovery roll without stopping (see FIG. 18(b)).

Meanwhile, the rewinder unit 200 may have an adjusting unit 250 .

When the cutting and pressing unit 240 cuts the supplied film 10a, the control unit 250 adjusts the supply margin of the film 10a supplied to the second recovery roll 210b to supply the film 10a. You can make sure this doesn't stop.

To this end, the control unit 250 may have a second rotary arm 251 and a variable roller 253 .

The second rotary arm 251 may be provided to be rotatable based on a shaft 252 provided at one end.

Also, the variable roller 253 may be provided at the other end of the second rotary arm 251, and the film 10a being supplied may be supplied to the first recovery roll 210a through the variable roller 253. . Here, the position of the variable roller 253 can be changed according to the rotation of the second rotary arm 251 .

As shown in (a) to (c) of FIG. 17, when there is no cutting process by the cutting pressing unit 240, the distance to the variable roller 253 based on the second recovery roll 210b is Assuming the first distance, while the cutting process by the cutting pressure unit 240 is in progress as shown in (a) of FIG. The distance to (253) may be a second distance longer than the first distance.

That is, when the cutting process by the cutting pressing unit 240 proceeds, the second rotary arm 251 can be rotated counterclockwise with respect to the axis 252, and accordingly, from the second recovery roll 210b The distance between the variable rollers 253 may be increased.

Through this, when the second cutting unit 246 cuts the film 10a, the supply margin of the film 10a being supplied in front of the second recovery roll 210b can be adjusted, and through this, the film 10a ) can be prevented from stopping.

If necessary, the control unit 250 may further include a first fixed roller 254 and a second fixed roller 255, the first fixed roller 254 is provided in front of the variable roller 253, The second fixed roller 255 may be additionally disposed behind the variable roller 253 .

And, as shown in (b) of FIG. 18, when the cutting process by the cutting pressure unit 240 is completed, the second rotary arm 251 is rotated clockwise, and the second recovery roll 210b is the reference. Thus, the distance to the variable roller 253 may become the first distance again.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

10a, 10b: film 20, 21, 21a: tape
100: unwinder unit 110a: first supply roll
110b: second supply roll 120a, 120b: sagging amount supplement
126a, 126b: deflection compensation roller 200: rewinder unit
210a: first recovery roll 210b: second recovery roll
220: rotating part 240: cutting pressing part
244: first pressure roller 245: second pressure roller
246: second cutting part 250: adjusting part
253: variable roller 300: splice unit
310a, 310b: installation base 320a, 320a': first suction part
330a, 330b: second adsorption part 332a: first slit
340a: first cutting part 350a: first moving part
360a: tape supply unit 364a, 364b: third adsorption unit
371a: fourth adsorption unit

Claims (7)

An unwinder unit having a plurality of supply rolls in which a film is wound in a roll form;
a rewinder unit having a plurality of recovery rolls on which the film supplied from the unwinder unit is wound; and
Before the film being supplied from one of the plurality of supply rolls is completely unwound, the film being supplied, which is wound on another supply roll, is connected to the film being supplied, so that the film being supplied is not cut off. and to be continuously supplied to the rewinder unit, disposed close to the supply path of the film supplied by being unwound from the plurality of supply rolls, adsorbing and cutting the film being supplied, and cutting and forming the rear end of the film being supplied And a splice unit for connecting the front end of the film being prepared for supply with a tape;
The splice unit includes an installation base, a first adsorption portion provided on the installation base, and adsorbing the film being supplied or the film being prepared for supply, and provided on the installation base adjacent to the first adsorption portion. a second adsorption unit through which a first slit is formed to adsorb the tape; a first cutting unit that moves through the first slit to cut the film being supplied or the film being prepared for supply; A first moving unit for reciprocating the installation base in a linear direction,
The splice units are arranged in pairs symmetrically on both sides of the supply path,
Among the splice units, the first adsorption part of the first splice unit disposed on one side of the film in preparation for supply adsorbs the film in preparation for supply, and the first cutting part cuts the film in preparation for supply to supply the film in preparation for supply. The front end of the film being prepared is positioned in the first slit,
The second adsorption part of the second splice unit disposed on the other side of the film being supplied among the splice units adsorbs the tape,
The first movable part of the first splice unit and the first movable part of the second splice unit first move each of the installation bases in a mutual direction, and the first movable part of the first splice unit The cutting unit cuts the film being supplied,
The second moving part of the second splice unit secondly moves the second adsorption part of the second splice unit in the direction of the second adsorption part of the first splice unit so that the tape is moved after the film being supplied. To connect the end and the front end of the film being prepared for supply,
Before cutting the film being supplied, the second suction part of the second splice unit is lowered so that the tape does not come into contact with the film being supplied, and after cutting the film being supplied, the tape is in a state of being lowered. The roll-to-roll device, characterized in that the second adsorption portion of the second splice unit is in an elevated state so as to contact the rear end of the film and the front end of the film being prepared for supply. delete delete delete According to claim 1,
The rewinder unit,
a rotating part in which one end of the plurality of recovery rolls is rotatably provided;
When the film is wound on a first recovery roll, which is one of the plurality of recovery rolls, the rotation unit rotates so that the film supplied to be wound on the first recovery roll passes close to the second recovery roll, which is another recovery roll. A second rotation drive unit;
When a predetermined amount of film is wound on the first recovery roll, the film supplied to be wound on the first recovery roll is pressed in the direction of the second recovery roll and simultaneously cut, so that the subsequently supplied film can be cut without stopping. A roll-to-roll device characterized in that it has a cutting and pressing portion wound around the second recovery roll. According to claim 5,
The cutting pressing part
A first rotary arm rotating around one end;
a first pressure roller provided at the other end of the first rotary arm and pressurizing the film between the first recovery roll and the second recovery roll so that the film approaches the second recovery roll;
a second pressure roller provided on the first rotary arm and pressurizing the film proximate to the second recovery roll by the first pressure roller with the second recovery roll;
A roll-to-roll device characterized in that it has a second cutting unit provided between the first pressure roller and the second pressure roller, and cutting the film so that the subsequently supplied film is wound around the second recovery roll. According to claim 5,
The rewinder unit,
The roll-to-roll device characterized in that it has a control unit for controlling the supply margin of the film supplied to the second recovery roll so that the supply of the film does not stop when the cutting press unit cuts the supplied film.

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