KR102600409B1 - Apparatus for pressing, laminating equipment and laminating method - Google Patents

Abstract

The present invention is a pressurizing device that pressurizes the second workpiece to the first workpiece so that the second workpiece is bonded to the first workpiece including a flat portion and a curved portion extending downwardly from the edge of the flat portion. , is formed to extend in the direction of extension of the first object to be treated, is disposed to face the first object to be treated, and is located on the lower side of the first pressure part to face the first pressure part and the curved part capable of shape deformation and elevation by external force. It is positioned and includes a second pressing portion that is expandable to press the first pressing portion.
Therefore, according to the bonding equipment according to the embodiments of the present invention, the pressing force transmitted to the curved portion of the first processing object can be increased compared to the prior art, and accordingly, a uniform pressing force can be applied to the first processing object. .
Accordingly, when the first object to be treated and the second object to be treated are bonded to each other, it is possible to suppress or prevent problems such as defective bonding or uneven bonding in the curved surface of the first object, compared to the prior art.

Description

Pressurizing device, joining equipment and joining method {APPARATUS FOR PRESSING, LAMINATING EQUIPMENT AND LAMINATING METHOD}

The present invention relates to a pressing device, joining equipment, and a joining method, and more specifically, to a pressing device, joining equipment, and a joining method for joining a panel to a window with a curved edge.

Flat panel displays include Liquid Crystal Display device (LCD), Plasma Display Panel device (PDP), Field Emission Display device (FED), and Electroluminescence Display device (Electroluminescence Display device). Examples include ELD) and organic light emitting diodes (OLED). These flat panel displays have shown excellent performance in terms of thinness, weight, and low power consumption, quickly replacing existing cathode ray tubes (CRT). there is.

Additionally, research has recently been conducted on a curved display device that attaches a panel to a curved window.

Among curved display devices, research is being actively conducted on edge curved display devices that can display images on both the front and side surfaces.

To manufacture such a curved display device, as in the example shown in FIG. 1, it is necessary to attach a flexible film to the inner surface of a window whose edges are curved or curved rather than flat. At this time, a display panel that forms an image may be positioned between the window and the film.

Conventionally, in order to attach a film to the inner surface of a window with a curved edge, the film was supported on a rubber pad whose upper surface height decreases from the center of the window in the width direction to the edge, and the film was supported on the rubber pad. The film was attached to the inner surface of the window by an expansion operation. However, in the case of this method, problems arise such as the film not being properly bonded to the curved part of the edge, or the window or film being damaged.

Korean Patent Publication No. 10-2016-0020701

The present invention provides a pressurizing device, bonding equipment, and bonding method that can uniformly bond a film to the entire curved window.

The present invention provides a method of pressurizing the second workpiece to the first workpiece so that the second workpiece is bonded to the first workpiece including a flat portion and a curved portion extending downwardly from an edge of the flat portion. An apparatus, comprising: a first pressing portion extending in an extension direction of the first object to be treated, disposed to face the first object, and capable of deforming a shape and moving up and down by an external force; and a second pressing portion located below the first pressing portion to face the curved portion and capable of expanding to press the first pressing portion.

The second pressurizing part has an internal space and is expandable by fluid supplied therein.

In the second pressing part, one surface facing the first pressing part is flat.

The outer peripheral surface of the second pressing portion has a shape having a convex curvature in the outward direction.

The length of the second pressing portion in the width direction intersecting the longitudinal direction of the first object to be treated is longer than the length in the thickness direction.

The second pressing portion is disposed to be inclined downward so as to face the curved portion of the first object to be processed.

The second pressing portion is disposed so that its width direction center faces the width direction center of the curved portion.

and a rotation driving unit that rotates the second pressing portion so that the width direction center of the second pressing portion faces the width direction center of the curved portion.

It includes a housing into which the second pressing part is installed, and the housing can be expanded by expansion of the second pressing part to press the first pressing part.

A plurality of second pressing units are provided and arranged side by side within the housing.

and a rotation driving unit that rotates the housing so that the width direction center of the second pressing portion faces the width direction center of the curved portion.

The expansion rate of the second pressing portion in the thickness direction is relatively large compared to the expansion rate in the longitudinal and width directions.

The present invention is a joining equipment for joining a second workpiece to a first workpiece including a flat portion and a curved portion extending downwardly from the edge of the flat portion, capable of being raised and lowered, and having the first workpiece on one side. A jig capable of supporting water; A pressurizing device positioned opposite the jig; and a tray that is hollow and supports the second object to be processed so that the second object to be processed is positioned between the jig and the pressurizing device, wherein the pressurizing device is arranged to face the jig, A first pressing part capable of shape deformation and elevation by external force; and a second pressing portion located below the first pressing portion to face the curved portion and capable of expanding to press the first pressing portion.

Among the second pressing parts, one surface facing the first pressing part is flat.

The outer peripheral surface of the second pressing portion has a shape having a convex curvature in an outward direction, and the length of the second pressing portion in the width direction intersecting the longitudinal direction of the first object to be treated is longer than the length in the thickness direction.

The second pressing portion is disposed to be inclined downwardly so as to face the curved portion of the first object to be processed, and the second pressing portion is disposed so that its width direction center faces the width direction center of the curved portion.

It includes a housing into which the second pressing part is installed, and the housing is expandable by expansion of the second pressing part to press the first pressing part.

A plurality of second pressing units are provided and arranged side by side within the housing.

The present invention provides a method of joining a second workpiece to a first workpiece including a flat portion and a curved portion extending downwardly from an edge of the flat portion, comprising: supporting the first workpiece on a jig; A process of supporting a second object to be processed on a hollow tray positioned opposite the jig; A process of pressurizing the second workpiece to the first workpiece by raising a first pressurizing portion located on the lower side of the tray so that the first workpiece and the second workpiece come into contact with each other; and a process of expanding the second pressing part disposed below the first pressing part to press the first pressing part, thereby pressurizing the second object to be treated in the direction of the curved surface of the first object to be treated.

In expanding the second pressing part, fluid is supplied into the second pressing part to expand it.

When expanding the second pressing part, the expansion rate in the thickness direction is relatively greater than the expansion rate in the longitudinal and width directions of the second pressing part.

When the second pressing part is expanded, the entire surface facing the first pressing part is expanded so that it contacts the lower surface of the first pressing part.

The outer peripheral surface of the second pressing portion has a shape having a convex curvature in the outward direction, the length in the width direction intersecting the longitudinal direction of the first object to be treated is longer than the length in the thickness direction, and before expansion of the second pressing portion , including the process of arranging the second pressing portion to be inclined downward so as to face the curved portion of the first object to be treated.

According to the bonding equipment according to embodiments of the present invention, the pressing force transmitted to the curved surface of the first object to be treated can be increased compared to the prior art, and accordingly, a uniform pressing force can be applied to the first object to be treated.

Therefore, when the first object to be treated and the second object to be treated are bonded to each other, problems such as defective bonding or uneven bonding on the curved surface of the first object can be suppressed or prevented compared to the prior art.

1 is a view showing a state in which a second object to be treated is cemented or bonded to a first object whose edge is curved.
Figure 2 is a cross-sectional view taken along line A-A' in Figure 1
3 to 6 are diagrams showing a joining facility according to a first embodiment of the present invention.
7 and 8 are diagrams for explaining a pressurizing device according to the first embodiment of the present invention.
Figure 9 shows the results of measuring the pressing force at each position in the Y-axis direction of the first workpiece when joining the second workpiece to the first workpiece using the pressurizing device according to the first example and comparative example.
10 and 11 are diagrams showing a pressurizing device according to a second embodiment of the present invention.
12 and 13 are diagrams showing a pressurizing device according to a third embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the attached drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. These embodiments only serve to ensure that the disclosure of the present invention is complete and to fully convey the scope of the invention to those skilled in the art. This is provided to inform you. In the drawings, like symbols refer to like elements.

Figure 1 is a diagram showing a state in which a second object to be treated is cemented or bonded to a first object whose edge is curved. FIG. 2 is a cross-sectional view taken along line A-A' of FIG. 1.

Hereinafter, with reference to FIGS. 1 and 2, the first and second treated objects to be bonded to each other in the present invention will be described.

Referring to FIGS. 1 and 2 , the first object S1 according to an embodiment of the present invention is bent or curved so that its edge or edge becomes a curved surface. More specifically, the first object S1 according to the embodiment has a substantially rectangular cross-section and two opposing edges are curved.

That is, the first object to be treated (S1) extends in one direction and has a substantially rectangular shape, and the flat portion (FA), which is a flat shape without inclination or curvature, and among the four corners of the flat portion (FA) facing each other It extends in a downward direction from two edges and includes a curved portion (CA) that extends outward from the flat portion (FA) and is curved, rounded, or curved.

More specifically, the first object S1 may have a rectangular shape with a length in the It may be arranged to be located at both edges of the direction. That is, each of the pair of curved portions CA extends in the X-axis direction and is arranged in the Y-axis direction to face each other.

The flat portion FA may have a rectangular shape including a pair of long sides arranged in parallel with each other and a pair of short sides arranged in parallel with each other while intersecting the pair of long sides.

The curved portion (CA) extends downward from a pair of long sides of the flat portion (FA), and is not perpendicular to the flat portion (FA), but has an incline so as to move away from the flat portion (FA) as it goes outward. can be formed. At this time, as it slopes away from the flat portion FA as it goes outward, it has a curvature so that the slope is not constant. In other words, the curved portion CA is a curved surface in which the inner surface of the area corresponding to the curved portion CA among the inner surfaces of the first object S1, which is the surface joined to the second object S2, is concave. It is formed to have.

In addition, the curved portion CA is a curved surface with curvature as a whole, or among the curved portion CA, at least the area connected to the flat portion FA and a portion of the surrounding area are curved surfaces with curvature, and the rest is a curved surface with curvature. It may be a shape that has only a downward slope without curvature.

The first object S1 according to the embodiment is a window made of glass or quartz, but is not limited to this, and various materials with curved edges may be applied as the first object S1.

The second object S2 may include a panel P that displays an image and a film F to which the panel P is attached. The film (F) may have adhesive applied on one side to which the panel is attached and the other side to which the first object to be treated (S1) is joined.

When the first object S1 and the second object S2 are joined, a second object S1 is formed on one side of the first object S1 opposite the second object S2. S2) is cemented and bonded. At this time, since the second object S2 is joined to the flat portion FA and the curved surface CA on one side of the first object S1, the first object S1 and the second object S1 are bonded to each other. The flat panel display device to which (S2) is joined has a shape in which two opposing edges are curved, and becomes a flat panel display device in which images are displayed on each of the flat portion (FA) and the curved portion (CA).

Hereinafter, with reference to FIGS. 3 to 8, a joining facility according to a first embodiment of the present invention will be described.

3 to 6 are diagrams showing a joining facility according to a first embodiment of the present invention. 7 and 8 are diagrams for explaining a pressurizing device according to the first embodiment of the present invention.

The joining equipment according to the first embodiment of the present invention is a device for joining or cementing a second object S2 to a first object S1 having a curved edge or a round shape. Here, the first object to be treated (S1) may be a window, and the second object to be treated (S2) may be a film (F) to which a panel (P) is attached. That is, the second object S2 has a structure in which a film is bonded to the back surface of the panel P.

Referring to FIGS. 3 to 6, the bonding facility according to the present invention includes a chamber portion 100 having an internal space, and a chamber portion 100 located inside the chamber portion 100 to support the first object S1. The jig 200 is located opposite to the jig 200 and presses the second object S2 located at the top with the first object S1, while pressing the curved portion of the first object S1. It includes a pressurizing device 6000 capable of further pressurizing the (CA) direction.

In addition, the bonding facility includes a support device 400 including a tray 410 positioned between the jig 200 and the first pressurizing portion 6100 and capable of supporting the second object S2, and a chamber portion 100. ) and includes pressure control units 310 and 320 that are connected to the chamber unit 100 to adjust the pressure inside the chamber unit 100 to a vacuum pressure or reduce the pressure to an atmospheric pressure atmosphere.

The chamber unit 100 has an internal space, an upper chamber 110 that can be raised and lowered, and a lower chamber 120 located opposite to the lower side of the upper chamber 110 and equipped with a pressurizing device 6000 and a supporting device 400. ) includes.

The upper chamber 110 has a predetermined empty space on the inside and may have a cylindrical shape with an open lower side. And, a jig 200 is installed on the inner upper wall of the upper chamber 110.

The lower chamber 120 has an empty space in communication with the upper chamber and may have a cylindrical shape with an open upper side.

The pressure regulators 310 and 320 include a first pressure regulator 310 connected to the upper chamber 110 and a second pressure regulator 320 connected to the lower chamber 120.

Each of the first and second pressure regulators 310 and 320 may be a means including a pipe installed to communicate with the internal space of the chamber unit 100 and a pump connected to the pipe.

The support device 400 includes a tray 410 capable of supporting the second object S2 and a tray elevation unit 420 that supports the tray 410 and raises and lowers the tray 410.

The tray 410 is hollow at the center and may have a shape corresponding to the second object S2, for example, a rectangular shape. Here, the size of the empty space at the center of the tray 410 may be larger than that of the first object S1 and the second object S2.

The tray 410 according to the embodiment may be a means, such as a clamp structure, for inserting and supporting an end of the second object S2, such as an edge of the film F.

The tray raising and lowering unit 420 supports the tray 410 and raises and lowers the tray 410. The tray raising and lowering unit 420 includes a shaft 421, one end of which is connected to the lower part of the tray 410, and a raising and lowering power unit 422 that is connected to the other end of the shaft 421 and provides a lifting and lowering driving force to the shaft 421. Includes.

The pressing device 6000 is located opposite the lower side of the jig 200 inside the chamber unit 100, and includes a first pressing unit 6100 capable of shape deformation and raising and lowering, and a first pressing unit 6100 on the lower side of the first pressing unit 6100. 1 It is located to face the curved portion CA of the object to be treated (S1) and includes a second pressing portion 6200 capable of expanding and restoring to press the first pressing portion 6100.

In addition, the pressurizing device 6000 is installed inside the expansion control unit 6400 and the chamber unit 100 to supply fluid to the inside of the second pressurizing unit 6200 or exhaust the fluid, and has first and second pressurizing units at the top. A base 6700 equipped with parts 6100 and 6200 that can be raised and lowered, one end connected to the base 6700, and the other end penetrating the lower chamber 120 and located on the lower side of the lower chamber 120. It is formed as an extension and includes a raising and lowering drive unit 6500 that provides driving force to raise and lower the base 6700.

The first pressing portion 6100 extends in a direction corresponding to the extension direction of the first object S1 and is installed opposite to the lower side of the jig 200. The first pressing unit 6100 is a means that can change its shape by an external force applied from the outside, and may be, for example, a rubber pad or a tube.

In addition, before being pressed in the direction of the jig 200, the upper surface of the first pressing portion 6100 gradually decreases in height as it goes outward from the center of the width direction (Y-axis direction) of the first object S1. It may be a curved shape.

The first pressing part 6100 is installed so that its lower part is mounted on the base 6700. At this time, among the lower surfaces of the first pressurizing unit 6100, the areas corresponding to both edges in the width direction (Y-axis direction) of the first object S1 are spaced apart from the base 6700, and the remainder is the base ( 6700) can be arranged to be connected. In other words, the lower surface of the first pressing portion 6100 may have a stepped shape, and the center of the first object S1 in the width direction (Y-axis direction) is connected to the base 6700, The edge is shaped to be spaced apart from the base 6700. Here, the space between the first pressing unit 6100 and the base 6700 is a space where the second pressing unit 6200, which will be described later, is installed. Accordingly, the center of the lower surface of the first press unit 6100 in the width direction (Y-axis direction) of the first object S1 is connected to the base 6700, and the edge is connected to the second press unit 6200. To be in contact or connected.

The second pressurizing unit 6200 is a means capable of expanding by fluid supplied inside and restoring by exhausting the fluid, and may be, for example, a tube.

This second pressing portion 6200 extends in the longitudinal direction (X-axis direction) of the first object S1 and faces or faces the curved portion CA of the first object S1. It is located below the first pressing part 6100. That is, the second pressing part 6200 is located below the first pressing part 6100 so that the first pressing part 6100 is pressed by its expansion, and the first pressing part 6100 and the base 6700 In between, it is installed to face or face the curved portion CA of the first object S1.

In addition, the second pressing portions 6200 are provided in a number corresponding to the curved portion CA of the first object S1, for example, a pair (2 pieces), and the pair of second pressing portions 6200 is They are arranged in the Y-axis direction to face or face the curved portion CA of the first object S1.

The second pressing unit 6200 has at least a flat upper surface facing the first pressing unit 6100, and the lower surface of the first pressing unit 6100 and the upper surface of the second pressing unit 6200 are in surface contact. It can be. That is, the entire upper surface of the second pressing part 6200 may be provided to contact the first pressing part 6100.

In addition, the second pressing unit 6200 has a characteristic that the expansion rate in the thickness direction (Z-axis direction) is greater than the expansion rate in the width direction (Y-axis direction) and the length direction (X-axis direction) of the first object S1. It may be a tube with In other words, the second pressing unit 6200 has an elongation in the thickness direction (Z-axis direction) compared to the elongation in the width direction (Y-axis direction) and the longitudinal direction (X-axis direction) of the first object S1. It can be a tube with great properties.

At this time, the second pressing part 6200 is fixedly installed on the base 6700, and the second pressing part 6200 is expanded while the position of the base 6700 is fixed, so that the second pressing part ( When fluid is supplied to 6200, the second pressurizing portion 6200 expands upward to increase its thickness.

Then, the first pressurizing unit 6100 is raised so that the second object S2 seated on the top of the first pressurizing part 6100 is brought into contact with the first object S1. 2 When the pressing part 6200 is expanded, a pushing force is generated on the first pressing part 6100 located at the top.

Accordingly, in addition to the pressure caused by the first pressing unit 6100 itself or the pressurizing caused by the rise of the first pressing unit 6100, the pressing force caused by the expansion of the second pressing unit 6200 is applied in the direction of the first object S1. It is further approved as

At this time, because the second pressing unit 6200 is located at the edge of the first pressing unit 6100 to face or face the curved portion CA of the first object S1, the second pressing unit 6200 The pressing force is transmitted toward the edge of the first pressing portion 6100, and is transmitted to the curved portion CA of the first object S1.

The expansion control unit 6400 includes a fluid transfer pipe 6410 connected to communicate with the internal space of the second pressurizing unit 6200, a supply unit 6420 that supplies a fluid, such as an inert gas such as N ₂ , to the fluid transfer pipe 6410, and a fluid It includes an exhaust unit 6430 that is connected to the moving pipe 6410 and exhausts the fluid inside the second pressurizing unit 6200 to the outside.

When the first object to be treated (S1) seated on the first pressurizing unit 6100 is pressed with the second object to be treated (S2), the second pressurizing part 6200 as described above is used to press the first object to be treated (S1). It serves to ensure that sufficient pressing force is applied to the curved surface (CA) of S1). That is, when the first pressurizing unit 6100 pressurizes the second object S2 into the first object S1, the second pressing unit 6200 presses the flat part FA of the first object S1. ) and the curved part (CA) to ensure that a uniform pressing force is applied.

More specifically, as shown in FIGS. 5 and 7, when the upper chamber 110 is lowered so that the first object S1 and the second object S2 are closer to each other, the first pressure The center of the Y-axis direction of the second object S2 supported on the upper part of the unit 6100 and the center of the first object S1 are in contact with each other.

Then, when the base 6700 and the first pressing unit 6100 are raised in the direction of the jig 200 using the raising and lowering driving unit 6500, the first pressing unit 6100 is raised as shown in FIGS. 6 and 8. is pressed and compressed in the direction of the first object to be treated (S1). Accordingly, the second object S2 on the first pressing unit 6100 is pressed in the direction of the first object S1.

However, since the first object S1 has a curved edge, the pressing force transmitted to the curved portion CA is lower than the pressing force transmitted to the flat portion FA by the first pressing portion 6100. small. Accordingly, a uniform pressing force is not applied in the width direction (Y-axis direction) of the first object S1.

This becomes a factor causing defective bonding or uneven bonding quality of the curved portion when the first object S1 and the second object S2 are bonded to each other.

On the other hand, in the present invention, the expandable second pressure portion 6200 is disposed below the first pressure portion 6100 so as to face or face the curved portion CA of the first object S1.

Then, the first pressing part 6100 is raised in the direction of the jig 200, and the first pressing part 6100 is pressed and compressed in the direction of the first object S1, as shown in FIGS. 6 and 8. When doing so, the second pressurizing unit 6200 is expanded through the expansion control unit 6400.

In this way, when the first pressing part 6100 is raised so that the first pressing part 6100 and the second object S2 seated on the upper part are transformed into a shape corresponding to the first object S1, , when the second pressing part 6200 is expanded, more pressing force is applied toward the edge of the first pressing part 6100. That is, when the second pressing part 6200 expands, this expanding force is transmitted to the first pressing part 6100, which is transmitted to the curved portion CA of the first object S1. Accordingly, in addition to the pressing force caused by the rise of the first pressing unit 6100, additional pressure is applied to the curved portion CA of the first object S1 due to the expansion of the second pressing unit 6200. In other words, double pressure is applied to the curved portion CA of the first object S1 by raising the first pressing portion 6100 and expanding the second pressing portion 6200. Because of this, compared to the prior art, the pressing force transmitted to the curved portion CA of the first object S1 can be increased, and a uniform pressing force can be applied to the first object S1.

Therefore, in bonding the first object S1 and the second object S2 to each other, the defective bonding and uneven bonding problems of the curved surface portion CA of the first object S1 are reduced compared to the prior art. It can be suppressed or prevented.

Figure 9 shows the results of measuring the pressing force at each position in the Y-axis direction of the first workpiece when joining the second workpiece to the first workpiece using the pressurizing device according to the first example and comparative example. am.

The pressing device according to the comparative example is a pressing device that includes only the first pressing part 6100. And, the pressing device 6000 according to the embodiment is positioned to face or face the first pressing unit 6100 and the curved portion CA of the first object S1 on the lower side of the first pressing unit 6100. It is a pressurizing device that includes an expandable second pressurizing portion 6200.

In the ) is the end position of.

Referring to FIG. 9, in the case of the comparative example, the pressing force tends to decrease from the center of the first object in the Y-axis direction toward the end. That is, the pressing force on the curved portion is lower than the pressing force on the flat portion.

On the other hand, in the case of the Example, the pressing force in the Y-axis direction is more uniform than the Comparative Example. That is, the pressing force of the curved portion is greater than that of the comparative example, the deviation between the pressing force of the flat portion and the pressing force of the curved portion is smaller than that of the comparative example, and the deviation of the pressing force in the width direction (Y-axis direction) of the first object to be processed is compared to the comparative example. It is small compared to

From this, the pressing force applied to the curved portion CA of the first object S1 by the second pressing portion 6200 according to the first embodiment can be increased compared to the prior art, and the flat portion can be reduced compared to the prior art. It can be seen that uniform pressure can be applied to (FA) and the curved surface (CA).

10 and 11 are diagrams showing a pressurizing device according to a second embodiment of the present invention.

The second pressing unit 6200 according to the above-described first embodiment has a shape where the upper surface in contact with the first pressing unit 6100 is flat, and the entire upper surface of the second pressing unit 6200 is the first pressing unit ( An example of contact with 6100) was explained.

However, it is not limited to this, and the second pressing part 6200 has a curvature so that when expanded, it contacts the first pressing part 6100 in a narrow area or local area compared to the first embodiment, and has a shape that is convex in the outward direction. It may be (see FIGS. 10 and 11).

Hereinafter, with reference to FIGS. 10 and 11, a pressurizing device according to a second embodiment of the present invention will be described. At this time, content that overlaps with the first embodiment will be omitted or briefly described.

The pressing device 6000 according to the second embodiment is located opposite the lower side of the jig 200 inside the chamber unit 100, and includes a first pressing unit 6100 capable of changing shape and raising and lowering, and an outer peripheral surface convex outward. It has a curvature and includes a second pressing portion 6200 whose expansion rate in the thickness direction (Z-axis direction) is greater than the expansion rate in other directions.

In addition, the pressurizing device 6000 is installed inside the expansion control unit 6400 and the chamber unit 100 to supply fluid to the second pressurizing unit 6200 or exhaust the fluid, and has first and second pressurizing units on its upper part. The parts 6100 and 6200 are mounted, a base 6700 that can be raised and lowered, one end is connected to the base 6700 to support the base 6700, and the other end penetrates the lower chamber 120 to form the lower chamber ( 120) and is connected to a raising and lowering drive unit 6500 that raises and lowers the base 6700 and a second pressing unit 6200, capable of rotating the second pressing unit 6200. It may include a rotation driver 6600.

The second pressing portion 6200 has a shape in which the length in the width direction (Y-axis direction) crossing the longitudinal direction (X-axis direction) of the first object S1 is longer than the length in the thickness direction. Additionally, the outer peripheral surface of the second pressing unit 6200 may have a shape having a convex curvature outward, for example, an oval shape.

Here, on the outer peripheral surface of the second pressing unit 6200, the extension direction of the connection line (L) connecting the two furthest points (hereinafter, the first point (P ₁ ) and the second point (P ₂ )) and The direction parallel or parallel to the connection line (L) is the width direction of the second pressing portion 6200, and the direction perpendicular to the width direction is the thickness direction of the second pressing portion 6200 (see FIG. 10(b) ).

Here, the center of the connection line (L) may be the center of the second pressing portion in the width direction.

As described above, the second pressing portion 6200 has an oval shape with an outer peripheral surface having a convex curvature outward. In other words, it may be an oval shape whose thickness gradually increases from both ends in the width direction toward the center. there is.

In addition, the second pressing portion 6200 is opposite to or facing the curved portion CA formed to be inclined downward in the outward direction from the flat portion FA of the first object S1. ) is arranged to be inclined downward away from the center of the width direction (Y-axis direction). In other words, the connection line (L) connecting the first point (P ₁ ) and the second point (P ₂ ) of the second pressing unit 6200 extends from one end to the other end in the width direction of the first object to be treated (S1). (Y-axis direction) is disposed to have a downward slope away from the center.In other words, the second pressing unit 6200 is disposed to be inclined from the Y-axis direction and the Z-axis direction of the first object to be processed.

More preferably, the width direction center C ₂ of the second pressing portion 6200 is aligned with the width direction (Y-axis direction) center C ₁ of the curved portion CA of the first object S1. It is placed at an angle so that it lies on the table.

In addition, the second pressurizing unit 6200 is connected to the expansion control unit 6400 and is expanded by the supplied fluid and restored to its original state by exhaustion of the fluid. The expansion rate in the thickness direction is relatively lower than the expansion rate in the width direction. It is prepared to grow to.

Meanwhile, the shape of the first object S1 may vary depending on the product to be manufactured, errors within the allowable range, etc. More specifically, the width direction length of each of the flat part (FA) and the curved part (CA) of the first object S1, the curvature of the curved part (CA), etc. are determined by the product to be manufactured and the error within the allowable range. It may vary depending on etc.

At this time, in order to suppress or prevent defective bonding of the curved portion CA, it is necessary to change the arrangement direction of the second pressing portion according to the shape or specifications of the first object to be processed. That is, depending on the shape or specification of the first object to be processed, it is preferable to rotate the second pressing part so that the width direction center C of the second pressing part is opposite to the width direction center of the curved surface part of the first object to be treated.

To this end, a rotation driving unit 6600 is provided to be connected to the second pressing unit 6200, and the rotation driving unit is operated so that the width direction center C ₂ of the second pressing unit 6200 is aligned with the first processing object ( S1) Rotate the curved portion (CA) so that it faces the center (C ₁ ) in the width direction.

Hereinafter, with reference to FIGS. 10 and 11, the operation of the pressurizing device according to the second embodiment will be described.

First, as shown in FIGS. 5 and 10, when the upper chamber 110 is lowered so that the first object to be treated and the second object to be treated are closer to each other, the first object supported on the upper part of the first pressurizing part 6100 2 The center of the Y-axis direction of the object S2 and the first object S1 are in contact with each other.

Then, when the base 6700 and the first pressing unit 6100 are raised in the direction of the jig 200 using the raising and lowering driving unit 6500, the first pressing unit 6100 as shown in FIGS. 6 and 11 is pressed and compressed in the direction of the first object to be treated (S1). Accordingly, the second object S2 supported on the first pressing portion 6100 is joined to the first object S1.

At this time, the second pressing portion 6200 is expanded to apply additional pressing force to the curved portion CA of the first object S1.

That is, when the first pressing part 6100 is raised or after the first pressing part 6100 is raised, the second pressing part 6200 expands, the upper surface of the second pressing part 6200 becomes the first pressing part 6200. It comes into contact with the lower surface of the pressing part 6100 to press the first pressing part 6100, and thus, additional pressing force is applied to the edge of the first pressing part 6100. Accordingly, the pressing force by the second pressing unit 6200 is applied to the area of the second object S2 facing the curved portion CA of the first object S1.

Therefore, compared to the prior art, the pressing force transmitted to the curved portion CA of the first object S1 can be increased, and a uniform pressing force can be applied to the first object S1.

In addition, since the second pressing unit 6200 according to the second embodiment has a shape having a convex curvature on the outer peripheral surface, it does not contact the entire lower surface of the first pressing unit 6100 as in the first embodiment, but only part of the lower surface. It can be.

In addition, since the second pressing part 6200 is disposed at an angle so that its width direction center faces the curved portion CA of the first object S1, the second pressing part 6200 and the first pressing part ( The area where 6100 is contacted or where pressing force is applied from the second pressing unit 6200 to the first pressing unit 6100 may be an area facing the curved portion of the first to-be-processed object S1.

Therefore, according to the second pressing unit 6200 according to the second embodiment, the pressing force can be applied more intensively toward the curved portion CA of the first object to be treated (S1) compared to the first embodiment.

12 and 13 are diagrams showing a pressurizing device according to a third embodiment of the present invention.

In the above-described second embodiment, it was explained that the second pressing part 6200 directly contacts the first pressing part 6100 when expanded to pressurize the first pressing part 6100. However, it is not limited to this, and as in the third embodiment shown in FIGS. 12 and 13, the second pressing part 6200 is inserted into the housing, and the housing 6300 is expanded through expansion of the second pressing part 6200. ), the first pressurizing unit 6100 can be pressed through shape deformation.

Hereinafter, with reference to FIGS. 12 and 13, a pressurizing device 6000 according to a third embodiment of the present invention will be described. At this time, content that overlaps with the first and second embodiments will be omitted or briefly described.

The pressing device according to the third embodiment is positioned opposite the lower side of the jig 200 inside the chamber unit 100, and includes a first pressing unit 6100 capable of shape deformation and raising and lowering, and the first pressing unit 6100. It is positioned to face the curved portion (CA) of the first object (S1) from the lower side, is installed inside the housing 6300 and the housing 6300 capable of shape deformation and restoration, and has an outer peripheral surface with a convex curvature outward. , It includes a second pressing portion 6200 whose expansion rate in the thickness direction (Z-axis direction) is greater than the expansion rate in other directions.

In addition, the pressurizing device 6000 is installed inside the expansion control unit 6400 and the chamber unit 100 to supply fluid to the second pressurizing unit 6200 or exhaust the fluid, and the first pressurizing unit 6100 is installed on the upper part of the expansion control unit 6400 and the chamber unit 100. ) and a housing 6300 are mounted, a base 6700 that can be raised and lowered, one end is connected to the base 6700 to support the base 6700, and the other end penetrates the lower chamber 120 to 120), a raising and lowering drive unit 6500 that raises and lowers the base 6700, and a rotation drive unit 6600 that is connected to the housing 6300 and is capable of rotating the housing 6300. It can be included.

The housing 6300 has a tube shape with an internal space capable of accommodating the second pressurizing portion 6200, and extends in the longitudinal direction (X-axis direction) of the first object S1. And the housing 6300 may have a circular cross-sectional shape.

This housing 6300 is located below the first pressing portion 6100 to face or face the curved portion CA of the first object S1. That is, the housing 6300 is installed between the lower surface of the first pressing portion 6100 and the base 6700 to face or face the curved portion CA of the first object S1.

The second pressing unit 6200 has the same shape and arrangement as the second pressing unit 6200 according to the second embodiment described above.

That is, the second pressing unit 6200 has a length in the width direction that intersects the longitudinal direction (X-axis direction) of the first object to be treated (S1) longer than the length in the thickness direction, and the outer peripheral surface has a curvature that is convex outward. The shape may be, for example, an oval shape. In addition, the second pressing portion 6200 has a width of the first object S1 so as to face or face the curved portion CA formed to be inclined downward from the flat part FA of the first object S1. It is arranged to slope downward away from the center of the direction (Y-axis direction).

This second pressing part 6200 may be fixedly installed within the housing 6300 so as not to move within the housing 6300. That is, the second pressurizing part 6200 is fixedly installed so that its position within the housing 6300 does not change while being expanded by the supplied fluid and restored by the exhaust of the fluid.

A plurality of second pressing units 6200 may be provided, for example, two, and a plurality of second pressing units 6200 may be installed in the housing 6300. At this time, each of the plurality of second pressing parts 6200 is arranged to be inclined as described above and is arranged side by side or parallel to each other. Additionally, the plurality of second pressing units 6200 may be connected to each other.

In the pressurizing device 6000 according to the third embodiment as described above, fluid is supplied to each of the plurality of second pressurizing units 6200 to expand the plurality of second pressurizing units 6200 to expand the housing 6300. ) is expanded to pressurize the first pressurizing part 6100.

That is, when each of the plurality of second pressing parts 6200 is expanded, the upper surface of the second pressing part 6200 located relatively above contacts the housing 6300 and pushes the housing 6300. Accordingly, a shape deformation occurs in which the area of the outer peripheral surface of the housing 6300 in contact with the second pressing portion 6200 is stretched or elongated, and the pressing force transmitted to the housing 6300 is transmitted to the first pressing portion 6100. do.

Accordingly, the pressing force due to the expansion of the second pressing unit 6200 is further applied to the edge of the first pressing unit 6100, and as a result, the first processing object S1 among the second processing objects S2 Pressing force by the second pressing unit 6200 is applied to the area facing the curved portion CA.

In addition, since the pressing device 6000 according to the third embodiment is provided with a plurality of second pressing parts 6200, even if the second pressing part 6200 is expanded less than in the second embodiment, the first pressure A sufficient pressing force can be applied in the direction of the curved surface portion CA of the treated object S1.

Hereinafter, with reference to FIGS. 1 to 8, the operation of the bonding equipment according to the first embodiment of the present invention and the bonding process between the first object and the second object will be described.

First, as shown in FIG. 3, the first object S1 having a curved edge is supported on the jig 200, and the second object S2 is supported on the tray 410. Here, the second object to be processed (S2) includes a film (F) and a panel (P) attached to the film (F) and implementing an image.

Thereafter, as shown in FIG. 4, the tray 410 is lowered so that it is positioned below the first pressurizing portion 6100. Accordingly, the second object S2 has a convex shape whose height increases toward the center of the width direction, like the shape of the first pressing portion 6100.

Thereafter, the upper chamber 110 is lowered so that the chamber portion 100 is sealed as shown in FIG. 5, so that the width direction center of the first object S1 and the width direction center of the second object S2 come into contact. Make it possible. When the chamber part 100 is sealed, the inside of the chamber part 100 is divided into an upper area and a lower area of the film F based on the film F. In the embodiment, after the chamber unit 100 is sealed, each of the first pressure regulator 310 and the second pressure regulator 320 is operated to control the upper area of the film (F) and the lower area of the film (F). Each is created in a vacuum atmosphere.

Next, the lower area of the film F is reduced to atmospheric pressure using the second pressure regulator 320. At this time, due to the pressure difference, the film (F) and the panel (P) attached thereto are pushed up in the direction where the window (W) is located and pressurize the window (W), thereby performing the first bonding.

And, when the first pressing part 6100 is raised using the raising and lowering driving part 620, the movement is prevented by the jig 200 fixed on the upper side, as shown in FIG. 6. Accordingly, a force is generated to push the second object S2 in the direction where the first object S1 is located, and at this time, the first pressing part 6100 conforms to the shape of the first object S1. The form is transformed into a matching or corresponding shape.

In this way, the pressure unit 610 presses the second object S2 as a whole from the lower side of the second object S2, thereby creating a second pressure on the inner surface of the first object S1. The treated product (S2) is bonded.

As described above, when the first pressing part 6100 is raised to press the second object S2 in the direction of the first object S1 with the first pressing part 6100, the expansion control unit ( Fluid is supplied to the second pressing part 6200 using 6400 to expand the second pressing part 6200.

When the second pressing part 6200 expands, more pressing force is applied toward the edge of the first pressing part 6100. That is, when the second pressing part 6200 expands, this expanding force is transmitted to the first pressing part 6100, which is transmitted toward the curved portion CA of the first object S1. Accordingly, in addition to the pressing force caused by the rise of the first pressing unit 6100, additional pressure is applied to the curved portion CA of the first object S1 due to the expansion of the second pressing unit 6200.

Because of this, the pressing force transmitted to the curved portion CA of the first object S1 can be increased compared to the prior art, and accordingly, a uniform pressing force can be applied to the first object S1.

Therefore, when the first object S1 and the second object S2 are bonded to each other, the curved surface portion CA of the first object S1 is defective in bonding or is unevenly joined. Compared to before, it can be suppressed or prevented.

200: Jig 6000: Pressurizing device
6100: first pressing part 6200: second pressing part
6300: Housing 6400: Expansion control unit
6500: Raising and lowering drive unit 6600: Rotation drive unit

Claims (23)

A pressurizing device that presses the second workpiece to the first workpiece so that the second workpiece is bonded to the first workpiece including a flat portion and a curved portion extending downwardly from an edge of the flat portion,
a first pressing portion that extends in the direction in which the first object to be treated, is disposed to face the first object, and is capable of changing shape and moving up and down by an external force;
a second pressing portion located below the first pressing portion to face the curved portion and capable of expanding to press the first pressing portion; and
It includes a housing into which the second pressing part is inserted and installed,
A pressurizing device wherein the housing is expandable by expansion of the second pressurizing unit to pressurize the first pressurizing unit. In claim 1,
A pressurizing device in which the second pressurizing unit has an internal space and is expandable by fluid supplied therein. In claim 2,
In the second pressing unit, one surface facing the first pressing unit is flat. In claim 1,
A pressing device in which the outer peripheral surface of the second pressing portion has a shape having a convex curvature in an outward direction. In claim 4,
A pressing device in which the second pressing portion has a length in the width direction intersecting the longitudinal direction of the first object to be treated, which is longer than the length in the thickness direction. In claim 5,
A pressurizing device wherein the second pressurizing portion is disposed to be inclined downward so as to face the curved portion of the first object to be processed. In claim 6,
A pressing device wherein the second pressing portion is arranged so that its width direction center faces the width direction center of the curved portion. In claim 7,
A pressing device comprising a rotation drive unit that rotates the second pressing unit so that the width direction center of the second pressing unit faces the width direction center of the curved portion. delete In claim 7,
A pressing device in which a plurality of second pressing units are provided and arranged side by side within the housing. In claim 7,
A pressing device comprising a rotation drive unit that rotates the housing so that the width direction center of the second pressing part faces the width direction center of the curved portion. The method according to any one of claims 1 to 8, claims 10 and 11,
The second pressing unit is a pressing device in which the expansion rate in the thickness direction is relatively large compared to the expansion rate in the longitudinal and width directions. A joining facility for joining a second object to be processed to a first object including a flat portion and a curved portion extending downwardly from an edge of the flat portion,
A jig that can be raised and lowered and that supports the first object to be treated on one side;
A pressurizing device positioned opposite the jig; and
a tray that is hollow and supports the second object to be processed so that the second object to be processed is positioned between the jig and the pressurizing device;
Including,
The pressurizing device is,
a first pressing portion disposed to face the jig and capable of shape deformation and elevation by external force;
a second pressing portion located below the first pressing portion to face the curved portion and capable of expanding to press the first pressing portion; and
It includes a housing into which the second pressing part is inserted and installed,
A joining device wherein the housing is expandable by expansion of the second pressing portion to press the first pressing portion. In claim 13,
Among the second pressurizing parts, one surface facing the first pressurizing part is a flat surface. In claim 13,
The outer peripheral surface of the second pressing portion has a shape having a convex curvature in the outward direction,
A joining equipment in which the length of the second pressing portion in the width direction intersecting the longitudinal direction of the first object to be processed is longer than the length in the thickness direction. In claim 15,
The second pressing portion is disposed to be inclined downward so as to face the curved portion of the first object to be processed,
A joining facility in which the second pressing portion is arranged so that its width direction center faces the width direction center of the curved portion. delete In claim 16,
A joining facility in which a plurality of second pressurizing portions are provided and arranged side by side within the housing. A method of joining a second workpiece to a first workpiece including a flat portion and a curved portion extending downwardly from an edge of the flat portion, comprising:
A process of supporting the first object to be treated on a jig;
A process of supporting a second object to be processed on a hollow tray positioned opposite the jig;
A process of pressurizing the second workpiece to the first workpiece by raising a first pressurizing portion located on the lower side of the tray so that the first workpiece and the second workpiece come into contact with each other;
A process of pressing the second object to be treated in a direction of a curved portion of the first object to be treated by pressing the first pressing part;
Including,
In pressing the first pressing part,
A joining method of pressurizing the first pressing part using the housing by expanding a second pressing part disposed below the first pressing part and expanding a housing into which the second pressing part is installed. In claim 19,
A joining method of expanding the second pressurized part by supplying fluid into the second pressurized part. In claim 20,
A joining method in which, in expanding the second pressing part, the expansion rate in the thickness direction is relatively larger than the expansion rate in the longitudinal and width directions of the second pressing part. In claim 20,
A joining method in which the second pressing part is expanded so that the entire surface facing the first pressing part is in contact with the lower surface of the first pressing part. In claim 20,
The outer peripheral surface of the second pressing portion has a shape having a convex curvature in the outward direction, and the length in the width direction intersecting the longitudinal direction of the first object to be treated is longer than the length in the thickness direction,
A bonding method comprising the step of arranging the second pressurization unit to be inclined downwardly so as to face the curved portion of the first object before expansion of the second pressurization unit.

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