Coating film manufacturing equipment and method thereof

Abstract

The present invention provides a coating film manufacturing apparatus and a coating film manufacturing apparatus including the same. The coating film manufacturing apparatus may include: a film supply unit in which a raw film and a base film are supplied simultaneously; a film lamination unit that manufactures a coating film by laminating the raw film and the base film, which are supplied in a separated state by the pressure of a pair of lamination rollers arranged to correspond to each other above and below; a film measurement unit disposed between the film supply unit and the film lamination unit to measure position information and thickness information of the raw film and the base film in real time; a roller control unit that adjusts the angle and gap of the film lamination unit in correspondence with the position information and thickness information; and a control unit that controls the coating film manufacturing apparatus.

Description

Technology Field

[0001] The present invention relates to a coating film manufacturing apparatus and a method thereof, and more specifically, to a coating film manufacturing apparatus and a method thereof capable of automatically adjusting the angle and gap between laminating rollers by detecting the position and thickness of a supplied film. Background Technology

[0002] Coating films are films in which the surface of a film made of silicone or acrylic material is coated for protection and various other purposes; recently, they are primarily used for insulation and waterproofing purposes, such as for optical films and electronic circuit boards.

[0003] Generally, a coating film manufacturing device is a device for manufacturing such a coating film, and more specifically, a coating film is manufactured by laminating a release film onto a coating film raw material that is wound on a supply roll of a supply member and then continuously unwound and fed into a gravure coater to have its surface coated.

[0004] The matters described above as background technology are intended only to enhance understanding of the background of the present invention and should not be construed as an acknowledgment that they constitute prior art already known to those skilled in the art. Prior art literature

[0005] Republic of Korea Registered Patent No. 10-2378479 The problem to be solved

[0006] The problem that the present invention aims to solve is to provide a coating film manufacturing apparatus and a method thereof.

[0007] The problems that the present invention aims to solve are not limited to those mentioned above, and other unmentioned problems will be clearly understood by a person skilled in the art from the description below. means of solving the problem

[0008] The coating film manufacturing device according to an embodiment of the present invention for solving the above-described problem may include: a film supply unit in which a raw film and a base film are supplied simultaneously; a film lamination unit that manufactures a coating film by laminating the raw film and the base film, which are supplied in a separated state by the pressure of a pair of lamination rollers arranged to correspond to each other above and below; a film measurement unit disposed between the film supply unit and the film lamination unit to measure position information and thickness information of the raw film and the base film in real time; a roller control unit that adjusts the angle and gap of the film lamination unit in correspondence with the position information and thickness information; and a control unit that controls the coating film manufacturing device.

[0009] In one embodiment of the present invention, when the control unit receives position information and thickness information of the original film and the base film, respectively, from the film measuring unit, it can compare and analyze the position information and thickness information based on reference information to generate a position control signal corresponding to the position information and a thickness control signal corresponding to the thickness information, thereby controlling the operation of the roller control unit in real time.

[0010] In one embodiment of the present invention, the film laminating unit comprises: a fixed laminating roller positioned at the rear end of the film measuring unit and fixed and rotating in one direction; and a movable laminating roller positioned at the rear end of the film measuring unit and located below the fixed laminating roller, rotating in the same direction as the rotation direction of the fixed laminating roller; wherein the movable laminating roller can swing in the left-right direction relative to the fixed laminating roller and move up and down relative to the fixed laminating roller.

[0011] In one embodiment of the present invention, the movable laminating roller can adjust the angle of the movable laminating roller and the gap between the fixed laminating roller and the movable laminating roller according to the up-down and left-right movement of the fixed rotation axis.

[0012] In one embodiment of the present invention, the roller control unit may include: a position control unit disposed on one side of the film laminating unit and adjusting the angle of the movable laminating roller in the left-right direction in response to a position control signal; and a thickness control unit disposed on one side of the film laminating unit and adjusting the gap of the movable laminating roller in the up-down direction in response to a thickness control signal.

[0013] In one embodiment of the present invention, the film measuring unit may include: a position measuring unit disposed at the front end of the film laminating unit to acquire the positions of the ends of the raw film and the base film in real time and generate the position information; and a thickness measuring unit disposed at the front end of the film laminating unit to acquire the thickness of the raw film and the base film in real time and generate the thickness information.

[0014] In addition, the method for manufacturing a coating film according to an embodiment of the present invention for solving the above-mentioned problem may include: a step of simultaneously supplying a raw film and a base film; a step of obtaining position information and thickness information by measuring the position of the ends of the raw film and the base film and the thickness of the raw film and the base film in real time; a step of generating a position control signal and a thickness control signal corresponding to result information by comparing and analyzing the position information and thickness information based on reference information; a step of adjusting the angle and gap of a laminating roller in response to the position control signal and the thickness control signal; and a step of manufacturing a coating film by laminating the raw film and the base film supplied in a separated state by applying pressure to the laminating roller with the adjusted angle and gap.

[0015] Other specific details of the present invention are included in the detailed description and drawings. Effects of the invention

[0016] According to the present invention, by detecting the thickness of the supplied film and automatically adjusting the gap between the laminating rollers, the quality of the coated film produced by lamination can be maintained in a uniform state.

[0017] According to the present invention, by detecting the position of the supplied film and automatically adjusting the angle between the laminating rollers, the quality of the laminated coating film can be maintained in a uniform state.

[0018] According to the present invention, by automatically controlling the laminating roller according to the position and thickness of the supplied film, the coating film manufacturing device can operate continuously to increase production efficiency.

[0019] The effects of the present invention are not limited to those mentioned above, and other unmentioned effects will be clearly understood by a person skilled in the art from the description below. Brief explanation of the drawing

[0020] FIG. 1 is a conceptual diagram for explaining a coating film manufacturing apparatus according to an embodiment of the present invention. FIG. 2 is a block diagram for explaining a coating film manufacturing apparatus according to an embodiment of the present invention. FIG. 3 is a diagram for explaining the operating state of a position adjustment unit illustrated in FIG. 2. FIG. 4 is a diagram for explaining the operating state of a gap adjustment unit illustrated in FIG. 2. Specific details for implementing the invention

[0021] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the present invention, and the present invention is defined only by the scope of the claims.

[0022] The terms used in this specification are for describing embodiments and are not intended to limit the invention. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. The terms "comprises" and / or "comprising" used in this specification do not exclude the presence or addition of one or more other components in addition to the components mentioned. Throughout the specification, the same reference numerals refer to the same components, and "and / or" includes each of the mentioned components and all combinations of one or more. Although terms such as "first," "second," etc., are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another. Therefore, the first component mentioned below may be the second component within the technical scope of the invention.

[0023] Unless otherwise defined, all terms used herein (including technical and scientific terms) may be used in a meaning commonly understood by those skilled in the art to which the present invention pertains. Additionally, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly and specifically defined otherwise.

[0024] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings.

[0025] FIG. 1 is a conceptual diagram for explaining a coating film manufacturing apparatus according to an embodiment of the present invention, and FIG. 2 is a block diagram for explaining a coating film manufacturing apparatus according to an embodiment of the present invention.

[0026] As illustrated in FIGS. 1 and 2, a coating film manufacturing device (1) according to an embodiment of the present invention may include a film supply unit (10), a film measuring unit (20), a film laminating unit (30), a roller control unit (40), and a control unit (50).

[0027] In this embodiment, the coating film manufacturing device (1) can manufacture a coating film (15) by controlling the roller control unit (40) under the control of the control unit (50) and laminating the original film (11) and the base film (13) through a continuous process of the film supply unit (10), the film measuring unit (20), and the film lamination unit (30).

[0028] Here, the coating film (15) corresponding to the final product can generally be applied to the medical field, but can also be applied to various fields such as the semiconductor field, the automotive field, and the electronics field.

[0029] Meanwhile, the coating film manufacturing device (1) may be formed by a known device in which the raw film (11), base film (13) and coating film (13) are sequentially wound and unwound by a rotating roller operated by a motor, and the rotating roller is supported on a part of the unwound portion to maintain shape and tension.

[0030] First, the film supply unit (10) may include an upper supply roller (12) that supplies a raw film (11) to the film lamination unit (30) and a lower supply roller (14) that supplies a base film (13) to the film lamination unit (30).

[0031] In this embodiment, the film supply unit (10) may be positioned at the front of the production line of the coating film manufacturing device (1).

[0032] Specifically, the upper supply roller (12) is positioned on the upper side of the coating film manufacturing device (1) and can supply the raw film (11) to the film lamination unit (30) by winding it onto the supply roller of the supply member and then continuously unwinding it.

[0033] Here, the fabric film (11) can be made of silicon or acrylic, etc.

[0034] According to an embodiment, the fabric film (11) is wound on a supply roll of a supply member and then continuously unwound and fed into a gravure coater (50) so that its surface is coated, and then dried for a certain period of time through a drying member.

[0035] The lower supply roller (14) is positioned at the lower side of the coating film manufacturing device (1) and can supply the base film (13) to the film lamination unit (30) by winding it around the supply roller of the supply member and then continuously unwinding it.

[0036] Here, the base film (13) may be a film that protects the base film (11).

[0037] According to an embodiment, the base film (13) may be made of a double-sided tape having one side as an adhesive surface and a release liner that protects the adhesive surface.

[0038] Meanwhile, in this embodiment, the rotational speeds of the upper supply roller (12) and the lower supply roller (14) may be the same, but are not limited thereto. That is, the speeds of the raw film (11) and the base film (13) supplied to the film lamination unit (30) may be the same.

[0039] Additionally, the fabric film (11) and the base film (13) may each be provided in the form of a roll that is continuously wound and has the same predetermined width and length.

[0040] According to the embodiment, the thicknesses of the fabric film (11) and the base film (13) may be the same or different from each other.

[0041] The film supply unit (10) of this structure can continuously supply the film lamination unit (30) by unwinding the film (11) and the base film (13), which are wound in a roll shape and spaced apart from each other at a predetermined distance, by the rotation of the upper supply roller (12) and the lower supply roller (14) so ​​that they can come into contact with each other.

[0042] The film measuring unit (20) is positioned at the rear end of the film supply unit (10) and may include a position measuring unit (22) and a thickness measuring unit (24).

[0043] In this embodiment, the film measuring unit (20) is disclosed to be positioned between the upper supply roller (12) of the film supply unit (10) and the film laminating unit (30), but is not limited thereto and may be positioned between the lower supply roller (14) of the film supply unit (10) and the film laminating unit (30), or between the upper supply roller (12) and the film laminating unit (30) and between the lower supply roller (14) of the film supply unit (10) and the film laminating unit (30).

[0044] Specifically, the position measuring unit (22) is positioned between the film supply unit (10) and the film lamination unit (30) to measure the position of the end of the original film (11) or the base film (13).

[0045] For example, the position measuring unit (22) can obtain position information by measuring the end portion of the continuously supplied raw film (11) or base film (13) in real time.

[0046] In this embodiment, the position measuring unit (22) may be composed of an EPC (Edge Position Controller) sensor that measures the end portion of the fabric film (11) or base film (13) to prevent the fabric film (11) or base film (13) from detaching.

[0047] The thickness measuring unit (24) is positioned between the film supply unit (10) and the film lamination unit (30) to measure the thickness of the original film (11) or the base film (13).

[0048] For example, the thickness measuring unit (24) can obtain thickness information by measuring the thickness of the continuously supplied raw film (11) or base film (13) in real time.

[0049] For example, the thickness measuring part (24) may be located at the same location as the position measuring part (22), or at the front or rear end of the position measuring part (22), but is not limited thereto.

[0050] A film measuring unit (20) of such a structure can transmit real-time end position information of the raw film (11) or base film (13) to the control unit (20) through the position measuring unit (22), and transmit real-time end thickness information of the raw film (11) or base film (13) to the control unit (20) through the thickness measuring unit (24).

[0051] The film lamination section (30) is positioned at the rear end of the film measuring section (10) and may include a fixed lamination roller (32) and a movable lamination roller (34).

[0052] Specifically, the film lamination unit (30) can manufacture a coating film (15) by laminating a raw film (11) and a base film (13) that are supplied in a separated state.

[0053] At this time, the film lamination unit (30) may be provided as an example of a laminating device, and since the laminating device is a general device for lamination, a detailed description thereof is omitted in the present invention.

[0054] The fixed lamination roller (32) is fixed to the first fixed rotation axis (320) and can be rotated in one direction.

[0055] The movable laminating roller (34) is positioned below the fixed laminating roller (32) and can rotate in one direction.

[0056] The moving lamination roller (34) can move in one direction according to the position information and thickness information of the fabric film (11) and base film (13) that are continuously fed using the second fixed rotation axis (340).

[0057] For example, the movable laminating roller (34) can swing in the left and right directions in response to a position control signal corresponding to the position information of the fabric film (11) and the base film (13) so that the ends of the fabric film (11) and the base film (13) align.

[0058] In addition, the moving laminating roller (34) can move in the up and down direction in response to a thickness control signal corresponding to the thickness information of the fabric film (11) and the base film (13) to adjust the gap with the fixed laminating roller (32).

[0059] According to an embodiment, when the base film (13) is double-sided tape, the release liner is removed so that the adhesive surface of the base film (13) and the fabric film (11) can be laminated by the pressure of the fixed lamination roller (32) and the movable lamination roller (34). At this time, the removed release liner can be wound by a separate winding roller.

[0060] According to an embodiment, the fabric film (11) and the base film (13) can be laminated by an adhesive material (not shown).

[0061] A film lamination unit (30) of this structure can manufacture a coating film (15) by applying pressure from above and below through the rotation of a fixed lamination roller (32) and a movable lamination roller (34) so ​​that the original film (11) is positioned on the base film (13).

[0062] The roller control unit (40) is positioned on one side of the film lamination unit (30) and may include a position control unit (42) and a gap control unit (44).

[0063] Specifically, the roller adjustment unit (40) can adjust the position and gap of the movable laminating roller (34) based on the fixed laminating roller (32) under the control of the control unit (50).

[0064] For example, the position control unit (42) can automatically adjust the angle of the moving laminating roller (34) left and right according to a position control signal corresponding to the position information.

[0065] In addition, the gap adjustment unit (44) can automatically adjust the height of the moving laminating roller (34) up and down according to a thickness control signal corresponding to the thickness information.

[0066] The roller control unit (40) of this structure can adjust the angle of the movable laminating roller (34) using the position control unit (42) so that the end of the fabric film (11) or base film (13) is positioned within the set position range when the end of the fabric film (11) or base film (13) deviates from the set position range, and when the thickness of the fabric film (11) or base film (13) changes, the gap of the movable laminating roller (34) from the fixed laminating roller (32) can be adjusted up and down according to the thickness of the fabric film (11) or base film (13).

[0067] When the control unit (50) receives position information and thickness information of the raw film (11) or base film (13) from the film measuring unit (20), it can control the roller control unit (40) by generating a position control signal corresponding to the position information and a thickness control signal corresponding to the thickness information.

[0068] Specifically, the control unit (50) can generate a position control signal corresponding to the position information by comparing and analyzing the position information received in real time from the position measurement unit (22) based on reference information.

[0069] For example, if the location information acquired in real time based on preset reference information deviates from the preset location range, the control unit (50) can generate a location control signal corresponding to the result information generated by comparing and analyzing the reference information and the location information.

[0070] Accordingly, the control unit (50) can automatically control the angle of the moving laminating roller (34) to the left and right in real time using the position adjustment unit (42) according to the position control signal.

[0071] In addition, the control unit (50) can generate a thickness control signal corresponding to the thickness information by comparing and analyzing thickness information received in real time from the thickness measuring unit (24) based on reference information.

[0072] For example, if the thickness information obtained in real time based on preset reference information differs from the preset thickness range, the control unit (50) can generate a thickness control signal corresponding to the generated result information by comparing and analyzing the reference information and the thickness information.

[0073] Accordingly, the control unit (50) can automatically control the height of the moving laminating roller (34) up and down in real time using the gap adjustment unit (44) according to the thickness control signal.

[0074] The control unit (50) of such a structure can automatically control the angle and gap of the moving laminating roller (34) using the roller control unit (40) so that the coating film (15) can be manufactured in a uniform state in response to the real-time changing position and thickness of the raw film (11) and base film (13).

[0076] The operation of a coating film manufacturing device according to an embodiment of the present invention having such a structure is as follows. FIG. 3 is a drawing for explaining the operating state of a position adjustment unit shown in FIG. 2, and FIG. 4 is a drawing for explaining the operating state of a gap adjustment unit shown in FIG. 2.

[0077] First, the coating film manufacturing device (1) can manufacture a coating film (15) by laminating a raw film (11) supplied from a film supply unit (10) and a base film (13) by a film laminating unit (30).

[0078] At this time, when the coating film manufacturing device (1) laminates the original film (11) and the base film (13) and the original film (11) and the base film (13) are supplied from the film supply unit (10), if the original film (11) and the base film (13) do not meet the preset position range or thickness range due to the supply speed or film condition, the device can use the roller control unit (40) to control them so that they meet the preset position range and thickness range.

[0079] Specifically, the coating film manufacturing device (1) can automatically adjust the angle of the moving lamination roller (34) left and right according to a position control signal corresponding to the position information when the position information obtained from the position measuring unit (22) in real time based on preset reference information deviates from the preset position range.

[0080] For example, as shown in FIG. 3, the coating film manufacturing device (1) can adjust the angle left and right using the second fixed rotation axis (340) of the moving lamination roller (34) so ​​that one end of the base film (11) and one end of the base film (13) are positioned at the same location as each other when the width (W21) of the base film (13) is the same as the width (W11) of the base film (11).

[0081] That is, the coating film manufacturing device (1) can adjust the angle left and right using the second fixed rotation axis (340) of the movable laminating roller (34) so ​​that the left and right remaining widths (W12, W13) excluding the width (W11) of the raw film (11) at the fixed laminating roller (32) are equal to the left and right remaining widths (W22, W23) excluding the width (W21) of the base film (13) at the movable laminating roller (34).

[0082] In contrast, the coating film manufacturing device (1) can automatically adjust the gap of the moving lamination roller (34) up and down using the second fixed rotation shaft (340) according to the thickness control signal corresponding to the thickness information when the thickness information obtained from the thickness measuring unit (24) in real time based on the preset reference information deviates from the preset thickness range.

[0083] For example, as illustrated in FIG. 4, the coating film manufacturing device (1) can adjust the gap between the fixed laminating roller (32) and the movable laminating roller (34) by moving the movable laminating roller (34) upward using the second fixed rotation axis (340) when the thickness of the raw film (11) and the thickness of the base film (13) are different or the same, and when the current thickness value is smaller than the previous total thickness value according to the total current thickness value obtained by adding the thicknesses of the raw film (11) and the base film.

[0084] Meanwhile, the coating film manufacturing device (1) can adjust the gap between the fixed laminating roller (32) and the movable laminating roller (34) by moving the movable laminating roller (34) downward using the second fixed rotation axis (340) when the thickness of the raw film (11) and the thickness of the base film (13) are different or the same, and when the current thickness value is greater than the previous total thickness value according to the total current thickness value obtained by adding the thicknesses of the raw film (11) and the base film.

[0085] In other words, by placing a film measuring unit (20) in front of the film laminating unit (30), the position and thickness of the raw film (11) or base film (13) that changes in real time can be quickly detected, and the angle and gap of the moving laminating roller (34) can be adjusted based on the fixed laminating roller (32) during lamination to produce a uniform coating film (15).

[0087] The steps of the method or algorithm described in connection with embodiments of the present invention may be implemented directly in hardware, implemented as a software module executed by hardware, or implemented by a combination thereof. The software module may reside in RAM (Random Access Memory), ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), Flash Memory, a hard disk, a removable disk, a CD-ROM, or any form of computer-readable recording medium well known in the art to which the present invention belongs.

[0088] Although embodiments of the present invention have been described above with reference to the attached drawings, those skilled in the art will understand that the present invention may be implemented in other specific forms without altering its technical concept or essential features. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive. Explanation of the symbols

[0089] 1: Coating film manufacturing device 11 : Fabric film 13 : Base film 15 : Coating film 10: Film supply unit 12: Upper supply roller 14: Lower supply roller 20: Film measuring section 22 : Position measuring unit 24 : Thickness measuring unit 30 : Film lamination section 32: Fixed laminating roller 34: Movable laminating roller 40 : Roller adjustment part 50 : Control unit

Claims

Claim 1 A coating film manufacturing apparatus comprises: a film supply unit in which a raw film and a base film are supplied simultaneously; a film lamination unit that manufactures a coating film by laminating the raw film and the base film, which are supplied in a separated state by the pressure of a pair of lamination rollers arranged to correspond to each other vertically; a film measurement unit disposed between the film supply unit and the film lamination unit to measure position information and thickness information of the raw film and the base film in real time; a roller adjustment unit that adjusts the angle and gap of the film lamination unit in correspondence with the position information and thickness information; and a control unit that controls the coating film manufacturing apparatus; wherein the film lamination unit comprises a fixed lamination roller disposed at the rear end of the film measurement unit and fixed and rotating in one direction; A coating film manufacturing apparatus comprising: a movable laminating roller positioned at the rear end of the film measuring unit and located below the fixed laminating roller, rotating in the same direction as the rotation direction of the fixed laminating roller; wherein the movable laminating roller swings in the left-right direction relative to the fixed laminating roller and moves up-down relative to the fixed laminating roller; wherein the control unit, upon receiving position information and thickness information of the original film and base film respectively from the film measuring unit, compares and analyzes the position information and thickness information based on reference information to generate a position control signal corresponding to the position information and a thickness control signal corresponding to the thickness information, thereby controlling the operation of the roller control unit in real time; wherein the roller control unit comprises: a position control unit positioned on one side of the film laminating unit and adjusting the angle of the movable laminating roller in the left-right direction in response to the position control signal; and a thickness control unit positioned on one side of the film laminating unit and adjusting the gap of the movable laminating roller in the up-down direction in response to the thickness control signal. Claim 2 delete Claim 3 delete Claim 4 A coating film manufacturing apparatus according to claim 1, wherein the movable laminating roller adjusts the position of the movable laminating roller and the gap between the fixed laminating roller and the movable laminating roller according to the up-down and left-right movement of the fixed rotation axis. Claim 5 delete Claim 6 A coating film manufacturing apparatus according to claim 1, wherein the film measuring unit comprises: a position measuring unit disposed at the front end of the film laminating unit to acquire the positions of the ends of the raw film and the base film in real time and generate the position information; and a thickness measuring unit disposed at the front end of the film laminating unit to acquire the thickness of the raw film and the base film in real time and generate the thickness information. Claim 7 A method for manufacturing a coating film, comprising: a step of simultaneously supplying a raw film and a base film; a step of obtaining position information and thickness information by measuring the position of the ends of the raw film and the base film and the thickness of the raw film and the base film in real time; a step of generating a position control signal and a thickness control signal corresponding to the result information by comparing and analyzing the position information and thickness information based on reference information; a step of adjusting the angle of a movable laminating roller located below a fixed laminating roller in the left-right direction in response to the position control signal, and moving the movable laminating roller in the up-down direction in response to the thickness control signal to adjust the gap between the fixed laminating roller and the movable laminating roller; and a step of manufacturing a coating film by laminating the raw film and the base film supplied in a separated state by the pressure of the fixed laminating roller and the movable laminating roller with the adjusted angle and gap.

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