JP6346968B2 - Film sticking apparatus and method - Google Patents

Description

  The present invention relates to a film sticking apparatus and a film sticking method for attaching a film to a work, and more particularly, a work having various forms of curved surfaces such as a C-shape or an S-shape. The present invention relates to an apparatus and a method for attaching a film to a film.

  To date, electronic products for various applications such as mobile phones, tablet PCs, and notebooks have been developed. Such an electronic device can be manufactured using display devices such as a liquid crystal display device, an organic light emitting display device, and a plasma display panel. .

  Such a display device is generally manufactured by forming a display element capable of displaying an image on a glass or plastic substrate. Here, films for various uses are pasted on the surface of the display device. For example, films for various uses such as a protective film for preventing scratches and an antireflection film for reducing reflection of external light can be attached to the surface of the display device. Therefore, conventionally, there has been proposed a film sticking device for automatically attaching a film to the surface of a display device, in particular, the surface of a cover glass provided on the front surface of the display device.

  Recently, electronic products for a wider variety of uses have been developed. In particular, there is an increasing demand for various shapes that can improve the aesthetics so as to appeal to consumers. Accordingly, the cover glass can have curved surfaces having various shapes such as a C shape or an S shape.

  However, conventional film applicators are designed to attach a film to a flat surface, so there are limits to applying the film to curved surfaces of various shapes such as C-shaped or S-shaped. There is. Therefore, development of an apparatus and a method capable of attaching a film to various curved surfaces is demanded.

  The present invention has been devised in order to solve the above-described conventional problems, and the present invention aims to provide a film sticking apparatus and a film sticking method capable of sticking a film to various curved surfaces. To do.

  In order to achieve the above object, the present invention provides a support portion for supporting a work; a film transfer sheet provided with a film attached to the work. A first tension adjusting unit that adjusts a tension of the film transfer sheet while fixing one end of the film transfer sheet; a second tension that adjusts a tension of the film transfer sheet while fixing the other end of the film transfer sheet. An adjusting unit; a film adhering unit for adhering a film provided on the film transfer sheet to a surface of the workpiece; and disposed adjacent to the first tension adjusting unit, between the film transfer sheet and the workpiece A first guide part for preventing interference and a second guide part arranged adjacent to the second tension adjusting part for preventing interference between the film transfer sheet and the work piece The first tension adjusting unit includes a first tension maintaining device movably provided to maintain the tension of the film transfer sheet, and the second tension adjusting unit includes the film transfer sheet. A second tension maintaining device movably provided to maintain the tension of the film, and the first tension maintaining device and the second tension maintaining device are installed to be driven individually. Providing the device.

  The first guide part includes a first guide roller that is movably provided to adjust the height (height) of the film transfer sheet, and the second guide part is a height of the film transfer sheet. A second guide roller movably provided to adjust the height (height), and the first guide roller and the second guide roller are vertically movable so that the film transfer sheet can be moved up and down. In addition to being provided so as to be movable in the direction, it can be installed so as to be movable in the left-right direction so that the rising position of the film transfer sheet can be determined.

  The first guide roller is positioned below the film transfer sheet, and is positioned above the film transfer sheet and the first lower guide roller that pressurizes the film transfer sheet upward, and the film transfer sheet A second lower guide that includes at least one of a first upper guide roller that pressurizes downward, and the second guide roller is positioned below the film transfer sheet and pressurizes the film transfer sheet upward At least one of a second upper guide roller positioned on the roller and the film transfer sheet and pressurizing the film transfer sheet downward may be provided.

  The first guide roller includes the first lower guide roller and the first upper guide roller arranged to face each other with the film transfer sheet interposed therebetween, and the second guide roller is The second lower guide roller and the second upper guide roller disposed to face each other with the film transfer sheet interposed therebetween may be included.

  The support portion may include a stage that fixes the work piece and a tilt mechanism that can be driven to tilt the stage. The support portion may further include a stage moving mechanism for moving the stage, and the tilt mechanism may be coupled between the stage and the stage moving mechanism.

  The tilt mechanism is connected to the stage moving mechanism, and includes a first connection part having a through hole, a second connection part having a through hole connected to the stage, the first connection part, and the second connection. A rotation shaft inserted into a through-hole provided in each of the portions, and a drive unit that drives the rotation shaft, the first connection portion is provided so as not to rotate together with the rotation shaft, The second connecting part is provided to rotate together with the rotating shaft.

  At least one of the film adhering portion, the first guide portion, and the second guide portion includes a pressure adjusting means for adjusting a pressure applied to the film transfer sheet when the film transfer sheet is moved up and down. Further can be included.

  At least one of the film adhering portion, the first guide portion, and the second guide portion includes a moving mechanism for raising and lowering the film transfer sheet, and the pressure adjusting means includes the moving mechanism. It can consist of a buffer member provided inside.

  At least one of the film adhering portion, the first guide portion, and the second guide portion includes a moving mechanism for raising and lowering the film transfer sheet, and the pressure adjusting means includes the moving mechanism and It can consist of a connected buffer member.

  The film adhering portion, the first guide portion, and the second guide portion are movably installed between the first tension adjusting portion and the second tension adjusting portion, and the second guide portion is It can be installed so as to be movable from a position between the film sticking section and the second tension adjusting section to a position between the film attaching section and the first tension adjusting section.

  The image forming apparatus may further include an alignment unit for aligning the position of the film provided on the film transfer sheet and the position of the workpiece.

  The present invention also includes a film transfer sheet provided with a film and having one end and the other end fixed to the first tension maintaining device and the second tension maintaining device, respectively, under the work piece, An adhesion roller for adhering a film is positioned under the film transfer sheet, a first guide roller is positioned between the adhesion roller and the first tension maintaining device, and the adhesion roller and the second tension maintaining device A step of positioning the second guide roller between; and a step of raising the adhesion roller to adhere one end of the film provided on the film transfer sheet to the surface of the work piece; Attaching the film to the surface of the workpiece while moving; moving at least one of the first tension maintaining device and the second tension maintaining device in the left-right direction. Maintaining the tension of the film transfer sheet; moving at least one of the first guide roller and the second guide roller in the horizontal direction and the vertical direction between the film transfer sheet and the work piece. Provided is a film sticking method including a step of preventing interference.

  Moving at least one of the first tension maintaining device and the second tension maintaining device in the left-right direction; and at least one of the first guide roller and the second guide roller in the left-right direction and the up-down direction. The step of moving can be performed during the step of attaching the film to the surface of the work piece while moving the attachment roller in the left-right direction.

  The step of attaching the film to the surface of the work piece by moving the attachment roller in the left-right direction can be performed in a state where the work piece is inclined.

  The present invention as described above has the following effects.

  According to one embodiment of the present invention, in the process in which the film adhering unit adheres the film to the work piece by providing the first tension adjusting unit and the second tension adjusting unit on both sides of the film attaching unit, The sheet can smoothly correspond to the curved surface of the work piece, so that the film can be easily attached to the work piece having various shapes of curved surfaces such as C-shaped or S-shaped. it can.

  According to one embodiment of the present invention, by providing the first guide part and the second guide part on both sides of the film sticking part, the film can be attached without interference between the film transfer sheet and the work piece. It is possible to avoid the problem that wrinkles occur or bubbles are generated between the adhered film and the work piece.

It is the schematic of the film sticking apparatus which concerns on one embodiment of this invention. 1 shows a tilt mechanism according to an embodiment of the present invention. 3a and 3b are views showing the operation of the tilt mechanism according to one embodiment of the present invention. It is a schematic perspective view of the film sticking part which concerns on one embodiment of this invention. It is a schematic perspective view of the film sticking part which concerns on the other embodiment of this invention. 6a to 6e are process diagrams illustrating a film sticking method according to an embodiment of the present invention. 7a to 7f are process diagrams illustrating a film sticking method according to another embodiment of the present invention. 8a to 8e are process diagrams showing a film sticking method according to another embodiment of the present invention.

  Advantages and features of the present invention, and methods for achieving them, will become apparent with reference to the embodiments described in detail below in conjunction with the accompanying figures. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in a variety of different forms. The embodiments are merely intended to provide a complete disclosure of the invention. It is provided to fully inform those skilled in the art of the scope of the invention, and the present invention is only defined by the scope of the claims.

  The shape, size, ratio, angle, number, and the like disclosed in the drawings for describing the embodiments of the present invention are illustrative, and the present invention is not limited to the illustrated items. Like reference numerals refer to like elements throughout the specification. Further, in describing the present invention, when it is determined that a detailed description of a related known technique unnecessarily obscures the gist of the present invention, the detailed description is omitted. Where “including”, “having”, “done”, etc. as used herein are used, other parts may be added, unless “only” is used. When there is a single singular number of a component, it includes the case of including a plurality unless there is an explicit description.

  When interpreting a component, it is interpreted as including a range of error even if there is no separate explicit description.

  If it is an explanation of the positional relationship, for example, if the positional relationship between the two parts is explained, such as “to the top”, “to the top”, “to the bottom”, “to the next”, etc. One or more other parts may be located between the two parts, unless "" or "directly" is used.

  When it is an explanation for a time relationship, for example, “immediately” when the temporal context is explained by “to after”, “following”, “to next”, “to before”, etc. Alternatively, it may include a case where it is not continuous as long as “direct” is not used.

  The first, second, etc. are used to describe various components, but these components are not limited by these terms. These terms are only used to distinguish one component from another. Therefore, the first component mentioned below can be a second component within the technical idea of the present invention.

  The features of several embodiments of the present invention can be combined or combined partly or wholly with each other, and various technical linkages and drives are possible. Each embodiment can be implemented independently of each other. It can be possible, and it can also be carried out together.

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

  FIG. 1 is a schematic view of a film sticking apparatus according to an embodiment of the present invention.

As can be seen from FIG. 1, the film sticking apparatus according to an embodiment of the present invention includes a support unit 100, tension adjusting units 200 and 300, a film adhering unit 400, guide units 500 and 600, and alignment (Align). Part 700 and a film transfer sheet 800.

  The support part 100 is located on the upper side of the film sticking apparatus and serves to support the work piece (P). The support unit 100 includes a stage 110, a stage moving mechanism 120, and a tilt mechanism 130.

  The stage 110 is where the work (P) is seated and fixed. Therefore, the stage 110 includes a fixing means for fixing the work piece (P). As an example, the stage 110 includes a vacuum suction means, and the workpiece (P) seated on the lower surface of the stage 110 can be fixed. Various fixing means known in the industry can be provided.

  The stage moving mechanism 120 serves to move the stage 110. The stage 110 must move the workpiece (P) to the position where the workpiece (P) is fixed at the loading position of the workpiece (P) and then the film is attached. Therefore, the stage moving mechanism 120 can be provided to move the stage 110 in the left-right direction (X-axis direction) and the up-down direction (Z-axis direction). Such a stage moving mechanism 120 can be performed by a cylinder device driven by a motor, but is not necessarily limited thereto, and can be composed of various moving mechanisms known in the art.

The tilt mechanism 130 serves to drive the stage 110 to tilt. When the surface of the work (P) to which the film (F) is attached is changed to various forms such as a C-shape or S-shape, the work (P) is inclined. In some cases, it is easy to attach the film (F) to the surface of the work piece (P). Therefore, the tilt mechanism 130 drives the stage 110 to incline so that the workpiece (P) fixed to the stage 110 inclines.

  Such a tilt mechanism 130 may be provided between the stage 110 and the stage moving mechanism 120, which will be described later.

The tension adjusting units 200 and 300 serve to maintain the tension of the film transfer sheet 800 constant. The tension adjusting units 200 and 300 include a first tension adjusting unit 200 and a second tension adjusting unit 300.

The first tension adjusting unit 200 is disposed on one side, for example, the left side of the film attaching unit 400 and fixes one end of the film transfer sheet 800. The second tension adjusting unit 300 is disposed on the other side, for example, the right side of the film attaching unit 400, and fixes the other end of the film transfer sheet 800.

Each of the first tension adjusting unit 200 and the second tension adjusting unit 300 is disposed on one side and the other side of the film attaching unit 400, so that the film attaching unit 400 causes the film on the film transfer sheet 800. During the step of attaching the film (F) to the work piece (P), the portion of the film transfer sheet 800 located on one side of the film attachment portion 400 and the portion located on the other side of the film attachment portion 400 The tension between the portions of the film transfer sheet 800 can be kept constant. As described above, according to the embodiment of the present invention, the first and second tension adjusting units 200 and 300 are installed on both sides of the film attaching unit 400, so that the film attaching unit 400 is In the process of attaching the film (F) to the work piece (P), the film transfer sheet 800 can smoothly correspond to the curved surface of the work piece (P).

  The first tension adjusting unit 200 includes a first tension maintaining device 210 and a first tension maintaining device moving mechanism 220.

  The first tension maintaining device 210 fixes one end of the film transfer sheet 800. The fixing method between the first tension maintaining device 210 and one end of the film transfer sheet 800 can be changed by various methods known in the art. For example, at least one hole may be formed at one end of the film transfer sheet 800, and a protrusion inserted into the at least one hole may be formed in the first tension maintaining device 210. 210 may include a winding roller that winds one end of the film transfer sheet 800.

  The first tension maintaining device moving mechanism 220 moves the first tension maintaining device 210. Specifically, the first tension maintaining device moving mechanism 220 moves the first tension maintaining device 210 in the left-right direction (x-axis direction). The first tension maintaining device moving mechanism 220 may be a cylinder device driven by a motor, but is not necessarily limited thereto, and may be a variety of moving mechanisms known in the art.

  As described above, the first tension maintaining device 210 can be moved in the left-right direction by the first tension maintaining device moving mechanism 220, and accordingly, between the first tension maintaining device 210 and the film adhering portion 400. The tension of the film transfer sheet 800 positioned can be adjusted.

The second tension adjusting unit 300 includes a second tension maintaining device 310 and a second tension maintaining device moving mechanism 320.

  The second tension maintaining device 310 fixes the other end of the film transfer sheet 800. The fixing method between the second tension maintaining device 310 and the other end of the film transfer sheet 800 is the same as the fixing method between the first tension maintaining device 210 and one end of the film transfer sheet 800 described above. Similarly, various methods known in the art can be used.

  The second tension maintaining device moving mechanism 320 moves the second tension maintaining device 310 in the left-right direction (x-axis direction). Similar to the first tension maintaining device moving mechanism 220, the second tension maintaining device moving mechanism 320 may include various moving mechanisms known in the art. Thus, the second tension maintaining device moving mechanism 320 and the first tension maintaining device moving mechanism 220 are configured separately, and the second tension maintaining device 310 and the first tension maintaining device 210 are individually configured. Can be driven.

  As described above, the second tension maintaining device 310 can be moved in the left-right direction by the second tension maintaining device moving mechanism 320, and accordingly, the second tension is maintained between the maintaining device 310 and the film adhering portion 400. The tension of the portion of the film transfer sheet 800 located at the position can be adjusted.

  The film attachment unit 400 transfers the film (F) positioned on the film transfer sheet 800 to the surface of the work piece (P) and attaches the film (F) to the surface of the work piece (P). To play a role. Such a film adhesion part 400 is arrange | positioned in the position facing the said workpiece (P) centering | focusing on the said film transfer sheet 800. FIG. As shown in the drawing, when the work (P) is disposed on the upper portion of the film transfer sheet 800, the film adhering portion 400 is disposed on the lower portion of the film transfer sheet 800.

  The film attaching unit 400 includes an attaching roller 410, an attaching roller support mechanism 420, and an attaching roller moving mechanism 430.

  The adhesion roller 410 presses the lower surface of the film transfer sheet 800 while moving the corresponding region of the film transfer sheet 800 from one end to the other end of the film (F) to work the film (F). It adheres to the surface of the object (P). Accordingly, the adhesion roller 410 is provided so as to move in the left-right direction (x-axis direction) in order to move the region of the film transfer sheet 800. Further, the adhesion roller 410 raises the lower surface of the film transfer sheet 800 so that the film (F) on the film transfer sheet 800 can come into contact with the surface of the work (P). The adhesion roller 410 is provided so as to move in the vertical direction (z-axis direction).

  The adhesion roller support mechanism 420 is connected to the adhesion roller 410 and supports the adhesion roller 410.

  The adhesion roller moving mechanism 430 is connected to the adhesion roller support mechanism 420, moves the adhesion roller support mechanism 420 in the vertical direction (z-axis direction) and the horizontal direction (x-axis direction), and accordingly the adhesion roller support mechanism 420 The film (F) can be attached while 410 moves in the vertical direction (z-axis direction) and the horizontal direction (x-axis direction).

  On the other hand, when the adhesion roller 410 pressurizes the lower surface of the film transfer sheet 800, the surface of the workpiece (P) may be damaged if the pressure is too large. Therefore, in order to prevent the surface of the work (P) from being damaged, the film adhering portion 400 may further include a pressure adjusting unit for adjusting the pressing force of the adhering roller 410. Such pressure adjusting means will be described later.

  The guide parts 500 and 600 guide the film transfer sheet 800. In particular, the guide portions 500 and 600 guide the same position as the height of the film transfer sheet 800 so that the film (F) is attached to the film transfer sheet 800 and the work piece (P ) Make sure that no interference occurs. In this specification, “interference” between two configurations refers to a case where movement of one configuration is disturbed by the other configuration due to the contact of one configuration with another configuration.

  During the process of attaching the film (F), if interference occurs between the film transfer sheet 800 and the work piece (P), the film (F) is precisely placed on the surface of the work piece (P). Without being attached, the film (F) may be wrinkled, or air bubbles may be generated between the film (F) and the work piece (P). However, according to an embodiment of the present invention, the guide portions 500 and 600 are installed on both sides of the film adhering portion 400, thereby causing interference between the film transfer sheet 800 and the work piece (P). The problem that wrinkles occur in the film (F) or bubbles occur between the film (F) and the work piece (P) can be avoided.

  The guide parts 500 and 600 include a first guide part 500 and a second guide part 600.

  The first guide unit 500 is disposed adjacent to the first tension adjusting unit 200 and guides the position of the film transfer sheet 800 located on one side, for example, the left side of the film attaching unit 400. The first guide unit 500 is positioned between the first tension adjusting unit 200 and the film attaching unit 400 before the film sticking process is started.

The second guide unit 600 is disposed adjacent to the second tension adjusting unit 300 and guides the position of the film transfer sheet 800 located on the other side, for example, the right side of the film attaching unit 400. The second guide unit 600 is positioned between the second tension adjusting unit 300 and the film attaching unit 400 before the film sticking process is started.

  The first guide unit 500 includes a first lower guide roller 510, a first upper guide roller 520, a first guide roller support mechanism 530, and a first guide roller moving mechanism 540.

  The first lower guide roller 510 is positioned below the film transfer sheet 800 and presses the lower surface of the film transfer sheet 800. In particular, the portion of the film transfer sheet 800 in contact with the first lower guide roller 510 is raised while the first lower guide roller 510 is moved, and the gap between the film transfer sheet 800 and the work (P) is increased. This can be easily understood by referring to the film sticking step described later.

  The first upper guide roller 520 is located on the upper side of the film transfer sheet 800 and pressurizes the upper surface of the film transfer sheet 800. In particular, the portion of the film transfer sheet 800 in contact with the first upper guide roller 520 is lowered while the first upper guide roller 520 is moved, and interference between the film transfer sheet 800 and the work (P) is performed. However, this can be easily understood by referring to the film sticking step described later.

  As shown in the figure, the first lower guide roller 510 and the first upper guide roller 520 are installed to face each other with the film transfer sheet 800 therebetween, and can move together. In this case, the apparatus configuration can be simplified as compared with the case where each is driven individually. However, the present invention is not necessarily limited thereto, and the first lower guide roller 510 and the first upper guide roller 520 may be provided to move independently from each other.

  The first guide roller support mechanism 530 is connected to the first lower guide roller 510 and the first upper guide roller 520 and supports the first lower guide roller 510 and the first upper guide roller 520. To do. One first guide roller support mechanism 530 may support the first lower guide roller 510 and the first upper guide roller 520 together. However, one first guide roller support mechanism 530 may support the first guide roller support mechanism 530. One lower guide roller 510 may be supported, and another first guide roller support mechanism 530 may support the first upper guide roller 520.

  The first guide roller moving mechanism 540 is connected to the first guide roller support mechanism 530 and moves the first guide roller support mechanism 530 in the vertical direction (z-axis direction) and the horizontal direction (x-axis direction). . Accordingly, the height of the film transfer sheet 800 can be adjusted while the first lower guide roller 510 and the first upper guide roller 520 move in the vertical direction (z-axis direction). While the lower guide roller 510 and the first upper guide roller 520 move in the left-right direction (x-axis direction), the height adjustment position of the film transfer sheet 800 can be determined.

When the first lower guide roller 510 and the first upper guide roller 520 pressurize the film transfer sheet 800, if the pressure is too large, the tension of the film transfer sheet 800 changes greatly. there is a possibility. Accordingly, in order to prevent this, the first guide unit 500 may further include a pressure adjusting unit, similar to the film attaching unit 400.

  The second guide unit 600 includes a second lower guide roller 610, a second upper guide roller 620, a second guide roller support mechanism 630, and a second guide roller moving mechanism 640.

  The second lower guide roller 610 is positioned below the film transfer sheet 800 and presses the lower surface of the film transfer sheet 800. Similarly to the first lower guide roller 510 described above, the portion of the film transfer sheet 800 that contacts the first lower guide roller 510 is raised while the second lower guide roller 610 moves, and the film Interference between the transfer sheet 800 and the workpiece (P) can be prevented.

  The second upper guide roller 620 is located on the upper side of the film transfer sheet 800 and presses the upper surface of the film transfer sheet 800. Similarly to the first upper guide roller 520 described above, the portion of the film transfer sheet 800 that contacts the first upper guide roller 520 is lowered while the second upper guide roller 620 is moving, and the film transfer sheet 800 is moved downward. Interference between the workpieces (P) can be prevented.

  The second lower guide roller 610 and the second upper guide roller 620 are installed so as to face each other with the film transfer sheet 800 therebetween, and can move together. 610 and the second upper guide roller 620 may be provided to move independently from each other.

  The second guide roller support mechanism 630 is connected to the second lower guide roller 610 and the second upper guide roller 620 and supports the second lower guide roller 610 and the second upper guide roller 620. Similar to the first guide roller support mechanism 530 described above, one second guide roller support mechanism 630 can support the second lower guide roller 610 and the second upper guide roller 620 together. One second guide roller support mechanism 630 may support the second lower guide roller 610, and another second guide roller support mechanism 630 may support the second upper guide roller 620.

  The second guide roller moving mechanism 640 is connected to the second guide roller support mechanism 630 to move the second guide roller support mechanism 630 in the vertical direction (z-axis direction) and the horizontal direction (x-axis direction), Accordingly, the second lower guide roller 610 and the second upper guide roller 620 move in the vertical direction (z-axis direction) and the horizontal direction (x-axis direction) while the film transfer sheet 800 is at an appropriate position. The height can be adjusted.

When the second lower guide roller 610 and the second upper guide roller 620 pressurize the film transfer sheet 800, if the pressure is too large, the tension of the film transfer sheet 800 may change greatly. There is sex. Accordingly, in order to prevent this, the second guide unit 600 may further include a pressure adjusting unit, similar to the film attaching unit 400.

  The alignment unit 700 serves to adjust the position of the film (F) on the film transfer sheet 800 and the position of the work (P) to which the film (F) is attached. Therefore, the alignment unit 700 confirms the leading end of the film (F) and aligns the leading end of the film (F) with the leading end of the attachment surface of the work piece (P). Image devices.

  The film transfer sheet 800 has a film (F) temporarily attached to one surface, for example, an upper surface thereof, thereby functioning as a carrier for carrying the film (F). The film transfer sheet 800 may be an elastic sheet.

  FIG. 2 shows a tilt mechanism according to an embodiment of the present invention, which is a side view of the above-described film sticking apparatus according to FIG. 3a and 3b are views showing the operation of the tilt mechanism according to one embodiment of the present invention.

  As shown in FIG. 2, the tilt mechanism 130 according to an embodiment of the present invention provided between the stage 110 and the stage moving mechanism 120 includes a first connecting part 131, a second connecting part 132, a rotating shaft 133, And a drive unit 134.

  The first connecting part 131 is connected to the stage moving mechanism 120. In particular, the first connecting part 131 extends downward from the lower surface of the stage moving mechanism 120. A plurality of the first connection parts 131 may be connected to the lower surface of the stage moving mechanism 120. The first connecting part 131 is provided with a through hole penetrating in the lateral direction so that the rotating shaft 133 is inserted.

  The second connection part 132 is connected to the stage 110. In particular, the second connection part 132 extends upward from the upper surface of the stage 110. A plurality of the second connection parts 132 may be connected to the upper surface of the stage 110. The second connecting part 132 is provided with a through hole penetrating in the lateral direction so that the rotating shaft 133 is inserted. The through holes provided in the second connection part 132 are aligned with the through holes provided in the first connection part 131.

  The rotating shaft 133 is inserted into a through hole provided in the second connection part 132 and a through hole provided in the first connection part 131. When the rotating shaft 133 rotates, the first connecting portion 131 is installed so as not to rotate together, and when the rotating shaft 133 rotates, the second connecting portion 132 rotates together. Is provided. Accordingly, the first connecting part 131 serves to support the rotating shaft 133, and the second connecting part 132 serves to transmit the rotation of the rotating shaft 133 to the stage 110.

  The driving unit 134 is connected to the rotating shaft 133 and rotates the rotating shaft 133 clockwise or counterclockwise.

  According to the tilt mechanism according to the embodiment of the present invention, when the rotation shaft 133 is rotated clockwise or counterclockwise by the driving unit 134, the second connecting portion 132 is moved together with the rotation shaft 133. Accordingly, the stage 110 connected to the second connecting part 132 is tilted clockwise or counterclockwise. Therefore, as can be seen from FIGS. 3a and 3b, the work piece (P) fixed under the stage 110 is inclined clockwise and counterclockwise, respectively.

  FIG. 4 is a schematic perspective view of a film sticking unit 400 according to an embodiment of the present invention.

  As can be seen from FIG. 4, the film sticking unit 400 according to an embodiment of the present invention includes an adhesion roller 410, an adhesion roller support mechanism 420, and an adhesion roller moving mechanism 430.

  The adhesion roller 410 is connected to a rotation shaft 415, and the rotation shaft 415 is inserted into a through hole provided in the adhesion roller support mechanism 420.

  The adhesion roller support mechanism 420 is provided with the through holes, and a plurality of bearings 425 are provided in the through holes. Accordingly, the rotating shaft 415 inserted into the through hole can rotate while being in contact with the bearing 425, whereby the adhesion roller 410 can be rotatably supported by the adhesion roller support mechanism 420.

  The adhesion roller moving mechanism 430 includes a vertical direction (z-axis direction) adhesion roller moving mechanism.

  The up-and-down direction adhering roller moving mechanism is connected to the lower surface of the attached roller support mechanism 420, and raises and lowers the adhering roller support mechanism 420, whereby the adhering roller 410 is raised and lowered. The vertical adhesion roller moving mechanism may include a cylinder device and a motor that drives the cylinder device.

  Here, the cylinder device included in the up-and-down direction adhering roller moving mechanism can include a pressure adjusting means including a buffer member such as a spring. Accordingly, when the adhesion roller 410 is raised by the operation of the vertical adhesion roller moving mechanism to pressurize the lower surface of the film transfer sheet (see reference numeral 800 in FIG. 1), the pressure is adjusted. Thus, the problem that the surface of the work piece (P) is damaged can be prevented.

  The adhesion roller moving mechanism 430 may further include a left-right direction (X-axis direction) adhesion roller moving mechanism.

  Although not shown in detail, the left-right direction adhesion roller moving mechanism can be disposed under the vertical direction adhesion roller moving mechanism. Such a laterally attached roller moving mechanism can include a motor and an LM guide. However, the present invention is not necessarily limited thereto, and the left-right direction adhesion roller moving mechanism can be connected to the side surface of the adhesion roller support mechanism 420.

  FIG. 5 is a schematic perspective view of a film adhering portion 400 according to another embodiment of the present invention, which is the film according to FIG. 4 described above except that a separate pressure adjusting means 433 is additionally provided. It is the same as the adhesion part 400. Accordingly, the same reference numerals are given to the same components, and only different components will be described below.

  As can be seen from FIG. 5, the pressure adjusting means 433 is connected to an adhesion roller moving mechanism 430, in particular, an up-down direction adhesion roller moving mechanism. Specifically, the pressure adjusting means 433 is provided between the adhesion roller support mechanism 420 and the vertical direction adhesion roller moving mechanism. Therefore, when the adhesion roller 410 is raised by the operation of the vertical adhesion roller moving mechanism and pressurizes the lower surface of the film transfer sheet (see reference numeral 800 in FIG. 1), the pressure adjusting means 433 applies the pressure. The pressure is adjusted and the problem of damaging the surface of the work piece (P) can be prevented. The pressure adjusting means 433 may include various buffer members known in the art including a spring or a fluid.

  Although not shown in detail, the above-described guide portion (the reference numerals 500 and 600 in FIG. 1) can also be configured in the same manner as the film adhering portion 400 according to FIGS.

  FIGS. 6a to 6e are process diagrams illustrating a method for attaching a film according to an embodiment of the present invention. A film (F) on the C-shaped surface of a workpiece (P) having a C-shaped surface. It is related with the method of attaching. For convenience, in the above-described embodiment for the film adhesion device, the first tension maintenance device 210, the second tension maintenance device 310, the adhesion roller 410, the first lower guide roller 510, the second upper guide roller 620, and the film transfer sheet 800. Only shown.

  First, as can be seen from FIG. 6a, a first tension maintaining device 210, a second tension maintaining device 310, an adhesion roller 410, a first lower guide roller 510, and a second upper guide roller 620 below the work piece (P). And the film transfer sheet 800 is positioned.

  Here, one end and the other end of the film transfer sheet 800 are fixed to the first tension maintaining device 210 and the second tension maintaining device 310, respectively. The adhesion roller 410 is at a position corresponding to one end of the film (F) provided on the upper surface of the film transfer sheet 800. Here, the position of the film (F) on the film transfer sheet 800 can be aligned using the alignment unit 700 described above. The first lower guide roller 510 is located between the first tension maintaining device 210 and the adhesion roller 410, and the second upper guide roller 620 is connected to the second tension maintaining device 310 and the It is located between the adhesion rollers 410.

  Next, as can be seen from FIG. 6b, the attachment roller 410 is raised to attach one end of the film (F) provided on the upper surface of the film transfer sheet 800 to the surface of the work piece (P).

  Here, in order to prevent interference between the work piece (P) and the first portion 800a of the film transfer sheet 800 located between the adhesion roller 410 and the second tension maintaining device 310, the second portion. The upper guide roller 620 moves in the direction of moving the second tension away from the maintaining device 310, specifically, in the left direction.

  Next, as can be seen from FIG. 6c, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the C-shaped surface of the work piece (P) while moving the adhesion roller 410 to the right side. Adhere.

  Here, in order to prevent interference between the first portion 800a of the film transfer sheet 800 and the workpiece (P), the second upper guide roller 620 moves the second tension away from the maintaining device 310, In detail, move further to the left. Particularly, in order to prevent the interference, the second upper guide roller 620 can move to the left side of the adhesion roller 410.

  Next, as can be seen from FIG. 6d, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the right side while the adhesion roller 410 is further moved to the right side. Adhere to the surface.

  Here, in order to prevent interference between the first portion 800a of the film transfer sheet 800 and the workpiece (P), the second upper guide roller 620 moves upward.

  As described above, when the second upper guide roller 620 moves in the upper direction, the tension of the first portion 800a of the film transfer sheet 800 may increase. It moves in the direction approaching the second upper guide roller 620, specifically in the left direction.

  When the second upper guide roller 620 moves in the upper direction, the second portion 800b of the film transfer sheet 800 positioned between the adhesion roller 410 and the first tension maintaining device 210, and the film transfer. Interference between the first portions 800a of the sheet 800 may occur. Accordingly, in order to prevent interference between the second portion 800b of the film transfer sheet 800 and the first portion 800a of the film transfer sheet 800, the first lower guide roller 510 is moved upward.

  Next, as can be seen from FIG. 6e, the film (F) remaining on the upper surface of the film transfer sheet 800 is moved to the C-shaped surface of the work piece (P) while moving the adhesion roller 410 to the left side. Adhering completes the attachment of the film (F).

  Here, when the adhesion roller 410 moves to the left side, the tension of the second portion 800b of the film transfer sheet 800 may decrease, so the first tension maintaining device 210 is moved away from the first lower guide roller 510. Move in the direction, specifically the left direction. In addition, here, the second upper guide roller 620 can move in the upper direction in order to facilitate the attaching process of the film (F).

  As described above, according to an embodiment of the present invention, the adhesion roller 410 moves in the upper direction, the right direction, and the left direction, and the film (F) provided on the upper surface of the film transfer sheet 800. Is attached to the C-shaped surface of the work piece (P). Here, the first lower guide roller 510 moves upward at an appropriate time, and the second upper guide roller 620 moves leftward and upward at an appropriate time, thereby causing the above-described interference. To prevent. Further, the first tension maintaining device 210 and the second tension maintaining device 310 move to the left side at an appropriate time to maintain the tension of the film transfer sheet 800.

  On the other hand, although not shown in the figure, the progress of the process in the state where the work (P) is tilted using the tilt mechanism 130 described above at the time of any one of the processes in FIGS. 6b to 6e. It can be performed.

  FIGS. 7a to 7f are process diagrams illustrating a film sticking method according to another embodiment of the present invention. The film (F) is applied to the S-shaped surface of the workpiece (P) having the S-shaped surface. It relates to the method of adhering. For convenience, in the embodiment of the film sticking device described above, only the first tension maintaining device 210, the second tension maintaining device 310, the adhesion roller 410, the first upper guide roller 520, the second upper guide roller 620, and the film transfer sheet 800 only. showed that.

  First, as can be seen from FIG. 7a, a first tension maintaining device 210, a second tension maintaining device 310, an adhesion roller 410, a first upper guide roller 520, a second upper guide roller 620, under the work (P). And the film transfer sheet 800 is positioned.

  Here, one end and the other end of the film transfer sheet 800 are fixed to the first tension maintaining device 210 and the second tension maintaining device 310, respectively. The adhesion roller 410 is at a position corresponding to one end of the film (F) provided on the upper surface of the film transfer sheet 800. Here, the position of the film (F) on the film transfer sheet 800 can be aligned using the alignment unit 700 described above. The first upper guide roller 520 is positioned between the first tension maintaining device 210 and the adhesion roller 410, and the second upper guide roller 620 is disposed between the second tension maintaining device 310 and the adhesion. Located between the roller 410.

  Next, as can be seen from FIG. 7b, the attachment roller 410 is raised to attach one end of the film (F) provided on the upper surface of the film transfer sheet 800 to the surface of the work piece (P).

  At this time, in order to prevent interference between the work portion (P) and the first portion 800a of the film transfer sheet 800 positioned between the adhesion roller 410 and the second tension maintaining device 310, the second portion. The upper guide roller 620 moves in the direction of moving the second tension away from the maintaining device 310, specifically, in the left direction.

  Here, in order to reduce an increase in the tension of the film transfer sheet 800 due to the pressurization of the first upper guide roller 520 and the second upper guide roller 620, the first tension maintaining device 210 is moved to the first upper guide. The second tension maintaining device 310 can be moved in the direction approaching the roller 520, specifically, the right direction, and the second tension maintaining device 310 can be moved in the direction approaching the second upper guide roller 620, specifically, the left direction.

  Next, as can be seen from FIG. 7c, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the S-shaped surface of the work (P) while moving the adhesion roller 410 to the right side. Adhere.

  Next, as can be seen from FIG. 7d, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the right side while the adhesion roller 410 is further moved to the right side. Adhere to the surface.

  At this time, in order to prevent interference between the adhesion roller 410 and the second upper guide roller 620, the second upper guide roller 620 is moved together in the right direction. In this case, in order to maintain the tension of the film transfer sheet 800, the second tension maintaining device 310 is moved away from the second upper guide roller 620, specifically, in the right direction.

  Next, as can be seen from FIG. 7e, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the right side while moving the adhesion roller 410 further to the right side. Adhere to the surface.

  At this time, in order to prevent interference between the adhesion roller 410 and the second upper guide roller 620, the second upper guide roller 620 moves together in the right direction.

  Next, as can be seen from FIG. 7f, while moving the adhesion roller 410 to the upper right side, the film (F) remaining on the upper surface of the film transfer sheet 800 is removed from the S-shaped surface of the work piece (P). To complete the adhesion of the film (F).

  At this time, the first portion 800a of the film transfer sheet 800 located between the adhesion roller 410 and the second tension maintaining device 310 and the workpiece (P) may be prevented from interfering with each other. The upper guide roller 520 moves in a direction away from the first tension maintaining device 210, specifically, in the right direction.

  As described above, according to another embodiment of the present invention, the adhesion roller 410 moves the film (F) provided on the upper surface of the film transfer sheet 800 while moving in the upper direction and the right direction. Adheres to the S-shaped surface of the work piece (P). Here, the first upper guide roller 520 moves rightward at an appropriate time, and the second upper guide roller 620 moves leftward and rightward at an appropriate time to prevent the above-described interference. To do. Further, the first tension maintaining device 210 and the second tension maintaining device 310 move in the left direction or the right direction at an appropriate time, thereby maintaining the tension of the film transfer sheet 800.

  On the other hand, although not shown in the figure, at the time of any one of the steps shown in FIGS. 7b to 7f, the workpiece (P) is tilted by using the tilt mechanism 130 described above. You can make progress.

  As can be seen from FIGS. 6a to 6e and FIGS. 7a to 7f, when the film (F) is adhered while the adhesion roller 410 moves from the left side to the right side, the first lower side is located on the left side of the adhesion roller 410. The side guide roller 510 may be required (FIGS. 6a to 6e), and the first upper guide roller 520 may be required (FIGS. 7a to 7f). Only the upper guide roller 620 may be necessary.

  However, in order to adhere the film (F) while the adhesion roller 410 moves from right to left, a second lower guide roller 610 may be required on the right side of the adhesion roller 410. The upper guide roller 620 may be required, and only the first upper guide roller 520 may be required on the left side of the adhesion roller 410.

Therefore, to the adhesion roller 410 is applied from the case and the right to move from left to right in both when moving to the left, as shown in FIG. 1 described above, the first guide portion 500, the first lower Preferably, the guide roller 510 and the first upper guide roller 520 are included together, and the second guide portion 600 includes the second lower guide roller 610 and the second upper guide roller 620 together.

However, depending on the curved surface shape of the work piece (P), the manner in which interference occurs can be variously changed, and thus the configurations of the first guide part 500 and the second guide part 600 can be variously changed. . For example, the first guide unit 500 may include only one of the first lower guide roller 510 and the first upper guide roller 520, or may include both of them. In addition, the second guide part 600 may include only one of the second lower guide roller 610 and the second upper guide roller 620, or may include both of them.

  8a to 8e are process diagrams showing a film sticking method according to another embodiment of the present invention, which is the same C-shaped as the above-described FIGS. 6a to 6e using the film sticking apparatus according to FIG. The present invention relates to a method for attaching a film (F) to a work piece (P) having a surface. For convenience, in the embodiment of the film sticking device described above, the first tension maintaining device 210, the second tension maintaining device 310, the adhesion roller 410, the first lower / upper guide rollers 510, 520, the second lower / upper guide roller Only 610, 620 and film transfer sheet 800 are shown.

  First, as can be seen from FIG. 8a, the first tension maintaining device 210, the second tension maintaining device 310, the adhesion roller 410, the first lower / upper guide rollers 510, 520, the second under the work (P). Lower / upper guide rollers 610, 620 and film transfer sheet 800 are positioned.

  Here, one end and the other end of the film transfer sheet 800 are fixed to the first tension maintaining device 210 and the second tension maintaining device 310, respectively. The adhesion roller 410 is at a position corresponding to one end of the film (F) provided on the upper surface of the film transfer sheet 800. Here, the position of the film (F) on the film transfer sheet 800 can be aligned using the alignment unit 700 described above. The first lower / upper guide rollers 510 and 520 are positioned between the first tension maintaining device 210 and the adhesion roller 410, and the second lower / upper guide rollers 610 and 620 A second tension is located between the maintaining device 310 and the adhesion roller 410.

  Next, as can be seen from FIG. 8b, the attachment roller 410 is raised to attach one end of the film (F) provided on the upper surface of the film transfer sheet 800 to the surface of the work piece (P).

  At this time, in order to prevent interference between the work portion (P) and the first portion 800a of the film transfer sheet 800 positioned between the adhesion roller 410 and the second tension maintaining device 310, the second portion. The lower / upper guide rollers 610 and 620 move in the direction of moving the second tension away from the maintaining device 310, specifically, in the left direction.

In order to prevent an increase in the tension of the second portion 800b of the film transfer sheet 800 positioned between the adhesion roller 410 and the first tension maintaining device 210 as the adhesion roller 410 rises. In addition, the first lower / upper guide rollers 510 and 520 are lifted together with the adhesion roller 410.

  Next, as can be seen from FIG. 8c, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the C-shaped surface of the work piece (P) while moving the adhesion roller 410 to the right side. Adhere.

  Here, in order to prevent interference between the first portion 800a of the film transfer sheet 800 and the work (P), the second lower / upper guide rollers 610 and 620 maintain the second tension. It moves further in the direction away from 310, specifically in the left direction. In particular, in order to prevent the interference, the second lower / upper guide rollers 610 and 620 may move further to the left than the adhesion roller 410.

  Next, as can be seen from FIG. 8d, the film (F) provided on the upper surface of the film transfer sheet 800 is moved to the right side while moving the adhesion roller 410 to the right side. Adhere to the surface.

  Here, in order to prevent interference between the first portion 800a of the film transfer sheet 800 and the work (P), the second lower / upper guide rollers 610 and 620 are moved upward.

  As described above, when the second lower / upper guide rollers 610 and 620 are moved in the upper direction, the tension of the first portion 800a of the film transfer sheet 800 may increase. The maintenance device 310 moves in the direction approaching the second lower / upper guide rollers 610, 620, specifically, in the left direction.

  Further, when the second lower / upper guide rollers 610 and 620 move in the upper direction, the second portion of the film transfer sheet 800 positioned between the adhesion roller 410 and the first tension maintaining device 210. Interference may occur between 800b and the first portion 800a of the film transfer sheet 800. Therefore, in order to prevent interference between the second portion 800b of the film transfer sheet 800 and the first portion 800a of the film transfer sheet 800, the first lower / upper guide rollers 510 and 520 are moved upward. Move to.

  Next, as can be seen from FIG. 8e, the film (F) remaining on the upper surface of the film transfer sheet 800 is moved to the C-shaped surface of the work piece (P) while moving the adhesion roller 410 to the left. Adhering completes the attachment of the film (F).

  At this time, if the adhesion roller 410 moves to the left side, the tension of the second portion 800b of the film transfer sheet 800 may decrease, so the first tension maintaining device 210 may be moved to the first lower / upper side. It moves to the direction away from the guide rollers 510 and 520, specifically, to the left.

  Similar to the above-described embodiment, at the time of any one of the steps of FIGS. 8b to 8e, the progress of the process is performed with the work (P) tilted using the tilt mechanism 130 described above. It can be performed.

  The embodiments of the present invention have been described above in detail with reference to the accompanying drawings. However, the present invention is not necessarily limited to these embodiments and does not depart from the technical idea of the present invention. Various modifications can be made within the system. Accordingly, the disclosed embodiments of the present invention are not intended to limit the technical idea of the present invention but to explain it, and the scope of the technical idea of the present invention is limited by these embodiments. It is not a thing. Accordingly, it should be understood that the embodiments described above are illustrative in all aspects and not limiting. The protection scope of the present invention should be construed by the claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the right of the present invention.

DESCRIPTION OF SYMBOLS 100: Support part 200, 300: 1st, 2nd tension adjustment part 400: Film adhesion part 500, 600: 1st, 2nd guide part 700: Positioning part 800: Film transfer sheet

Claims (15)

A support for supporting the work piece;
A film transfer sheet provided with a film attached to the work;
A first tension adjusting unit that adjusts the tension of the film transfer sheet while fixing one end of the film transfer sheet;
A second tension adjusting unit that adjusts the tension of the film transfer sheet while fixing the other end of the film transfer sheet;
A film adhering portion for adhering the film provided on the film transfer sheet to the surface of the work;
A first guide portion disposed adjacent to the first tension adjusting portion and preventing interference between the film transfer sheet and the workpiece; and disposed adjacent to the second tension adjusting portion. A second guide part for preventing interference between the film transfer sheet and the work piece,
The first tension adjusting unit includes a first tension maintaining device movably provided to maintain the tension of the film transfer sheet, and the second tension adjusting unit maintains the tension of the film transfer sheet. Therefore, the first tension maintaining device and the second tension maintaining device are installed so as to be individually drivable. The first guide part includes a first guide roller movably provided to adjust the height of the film transfer sheet, and the second guide part adjusts the height of the film transfer sheet. Including a second guide roller provided movably in the
The first guide roller and the second guide roller are provided so as to be movable in the vertical direction so that the film transfer sheet can be moved up and down, and the rising position of the film transfer sheet can be determined. The film sticking apparatus of Claim 1 installed so that a movement in the left-right direction is possible. The first guide roller is positioned below the film transfer sheet, and is positioned above the film transfer sheet and the first lower guide roller that pressurizes the film transfer sheet upward, and the film transfer sheet At least one of the first upper guide rollers that pressurize the lower side,
The second guide roller is positioned below the film transfer sheet, and is positioned above the film transfer sheet and a second lower guide roller that pressurizes the film transfer sheet upward, and the film transfer sheet The film sticking apparatus according to claim 2, comprising at least one of second upper guide rollers that pressurize downward. The first guide roller includes the first lower guide roller and the first upper guide roller arranged to face each other with the film transfer sheet interposed therebetween,
4. The film sticking apparatus according to claim 3, wherein the second guide roller includes the second lower guide roller and the second upper guide roller arranged to face each other with the film transfer sheet interposed therebetween.   The film sticking apparatus according to claim 1, wherein the support unit includes a stage for fixing the work piece, and a tilt mechanism that can be driven to tilt the stage.   The film sticking apparatus according to claim 5, wherein the support part further includes a stage moving mechanism for moving the stage, and the tilt mechanism is connected between the stage and the moving mechanism of the stage.   The tilt mechanism is connected to the stage moving mechanism, and includes a first connecting part having a through hole, a second connecting part having a through hole connected to the stage, the first connecting part, and the second connecting part. Each of the first connection portion is provided so as not to rotate together with the rotation shaft, and the second connection is provided. The film sticking apparatus according to claim 6, wherein the part is installed so as to rotate together with the rotation shaft.   At least one of the film adhering portion, the first guide portion, and the second guide portion includes a pressure adjusting means for adjusting a pressure applied to the film transfer sheet when the film transfer sheet is moved up and down. Furthermore, the film sticking apparatus of Claim 1 containing. At least one of the film adhering portion, the first guide portion, and the second guide portion includes a moving mechanism for raising and lowering the film transfer sheet,
The film sticking apparatus according to claim 8, wherein the pressure adjusting means is configured by a buffer member provided inside the moving mechanism. At least one of the film adhering portion, the first guide portion, and the second guide portion includes a moving mechanism for raising and lowering the film transfer sheet,
The film sticking apparatus according to claim 8, wherein the pressure adjusting means is configured by a buffer member connected to the moving mechanism. The film adhering portion, the first guide portion, and the second guide portion are installed movably between the first tension adjusting portion and the second tension adjusting portion,
2. The second guide part is movably installed from a position between the film adhesion part and the second tension adjustment part to a position between the film adhesion part and the first tension adjustment part. The film sticking apparatus described in 1.   The film sticking apparatus according to claim 1, further comprising an alignment unit configured to align the position of the film provided on the film transfer sheet and the position of the work piece. A film transfer sheet, which is complete with a film and whose one end and the other end are fixed to the first tension maintaining device and the second tension maintaining device, respectively, is positioned under the work, and under the film transfer sheet. An adhesion roller for attaching a film is positioned, a first guide roller is positioned between the adhesion roller and the first tension maintaining device, and a second is interposed between the adhesion roller and the second tension maintaining device. Positioning the guide roller;
Raising the attachment roller to attach one end of the film provided on the film transfer sheet to the surface of the work;
Adhering the film to the surface of the workpiece while moving the adhering roller in the left-right direction;
Maintaining at least one of the first tension maintaining device and the second tension maintaining device in the left-right direction to maintain the tension of the film transfer sheet; and the first guide roller and the second guide roller A film sticking method including a step of preventing interference between the film transfer sheet and the work piece by moving at least one of the film transfer sheet in the left-right direction and the up-down direction.   Moving at least one of the first tension maintaining device and the second tension maintaining device in the left-right direction; and at least one of the first guide roller and the second guide roller in the left-right direction and the up-down direction. The film sticking method according to claim 13, wherein the moving step is performed during the step of attaching the film to the surface of the work piece while moving the attachment roller in the left-right direction.   The film sticking method according to claim 13, wherein the step of moving the attachment roller in the left-right direction to attach the film to the surface of the work piece is executed in a state where the work piece is inclined.

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