KR101637916B1 - A apparatus for laminating plates - Google Patents

Abstract

The present invention relates to an apparatus for laminating a plate by a roller, capable of laminating a plate-shaped instead of a film material by using the roller. According to the present invention, the apparatus for laminating the plate by the roller includes a lower stage, side support parts, an upper panel support part, a pressing movement roller, and a control unit. The lower stage places a lower plate to be laminated in the state that resin for lamination is coated on a top surface of the lower sheet. Side support parts are installed at both side portions of the lower stage in parallel to each other to support both edges of an upper plate to be laminated on the lower sheet. The upper panel support part supports a lower portion of one end portion of the upper panel. The pressing movement roller presses down the upper panel while horizontally moving an opposite end portion of the upper panel in the direction of the upper panel support part. The control unit moves down the upper panel support part so that an angle between a starting point that the upper panel is bent and a horizontal surface is equally maintained according to the horizontal movement of the pressing movement roller.

Description

A APPARATUS FOR LAMINATING PLATES

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a laminating apparatus, and more particularly, to a laminating apparatus for laminating a sheet material, not a film material, with a roller.

In the case of a current display device, a touch screen panel is often provided on the front surface in order to drive the device. Further, in the case of driving by the touch screen panel, since the user directly uses the surface of the device while touching the surface of the device, it is a common practice to arrange the surface of the cover glass on the outer surface in order to protect the surface of the device.

In the case of providing the touch screen panel or the cover glass on the front surface of the display element, work of attaching a film material or a sheet material is essential. In the case of a film material, a roll lamination method is generally used. In the case of a plate material, a method of adhering both materials to be attached to each other in a state of being attached to both upper and lower adsorption chucks is generally used.

However, the size of the display device is becoming larger, and the materials to be joined are also increased. In particular, there is a problem that it becomes very difficult to attach the plate material of a large area while maintaining uniform spacing. Therefore, Korean Patent Laid-Open Publication No. 10-2014-0000495 and the like have developed a technique for laminating a large-area plate material in a laminating manner in order to maintain a uniform gap while keeping a uniform gap therebetween.

However, the conventional lamination technique for the plate material has a problem that the degree of warpage of the plate material against the area where the lapping process is performed can not be uniformly controlled, so that a uniform lapping operation can not be performed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sheet material roller laminating apparatus capable of laminating a sheet material, not a film material, with a roller.

According to an aspect of the present invention, there is provided a sheet material laminating apparatus comprising: a lower stage in which a lower sheet material to be subjected to a cementing operation is mounted on a top surface of the lower sheet material in a state in which a combining resin is applied; A side support portion disposed parallel to both side portions of the lower stage and supporting both side edges of the upper side plate to be adhered on the lower side plate; An upper panel supporting part for supporting one end of the upper panel from below; A pressurizing moving roller that horizontally moves downward from an opposite end of the upper panel toward the upper panel support portion; And a controller for controlling a force applied to the distal end of the upper panel by the upper panel support so that the contact curvature of the upper plate is kept constant as the pressure moving roller moves horizontally.

The apparatus for laminating a sheet material according to the present invention may further include an upper panel fixing part which is provided on the opposite side of the upper panel support part and prevents movement by gripping the opposite end part of the upper panel.

Further, in the present invention, it is preferable that the upper surface of the side support portion is installed higher than the upper surface of the lower panel mounted on the lower stage by the adhesion thickness.

According to another aspect of the present invention, a lower stage on which a lower plate on which a laminating operation is to be carried is mounted on a top surface of the lower plate in a state in which a fitting resin is applied; A side support portion disposed parallel to both side portions of the lower stage and supporting both side edges of the upper plate joined to the lower plate; An upper panel winder for winding up the upper panel on which the laminating operation is to be carried out in a bent state with the same curvature over all areas; A first grasping portion provided at one end of the upper panel winding portion and holding one end of the upper panel wound on the upper panel winding portion; A second grasping portion installed at the other end of the upper panel winding portion and gripping the other end of the upper panel wound on the upper panel winding portion; A rotation driving unit installed at a rotation center of the upper panel winder to rotate the upper panel winder so as to be sequentially attached to the lower panel from one end of the upper panel wound on the upper panel winder; And a controller for controlling gripping and releasing operations of the first gripper and the second gripper in accordance with the driving of the rotation driving unit.

In the present invention, the upper panel winder may include: a winding surface having a curvature that the upper panel is wound in a state having the same curvature; A rotation driving unit installed on the opposite side of the winding surface and rotating the winding surface; And a horizontal moving unit that horizontally moves the rotation driving unit.

Meanwhile, in the present invention, the upper panel winder includes: a winding roller having a cylindrical shape; A rotating shaft provided on a central axis of the winding roller and rotating the winding roller; And a horizontal moving unit that horizontally moves the rotating shaft.

According to the sheet material roll laminating apparatus of the present invention, it is also advantageous that a large area material in the form of a sheet material can be cemented while maintaining uniform spacing over all areas.

FIG. 1 is a view showing an operation process of a sheet material roll laminating apparatus according to an embodiment of the present invention.
2 is a view illustrating a laminating process according to an embodiment of the present invention.
3 is a front view showing a structure of a sheet material roll laminating apparatus according to an embodiment of the present invention.
4 is a plan view showing a structure of a sheet material roll laminating apparatus according to an embodiment of the present invention.
FIGS. 5 to 7 are views showing an operation process of the sheet material roll laminating apparatus according to another embodiment of the present invention.
8 is a front view showing a structure of a sheet material roll laminating apparatus according to an embodiment of the present invention.
FIG. 9 is a plan view showing a structure of a sheet material roll laminating apparatus according to an embodiment of the present invention.
10 is a view showing a structure of an upper panel winder according to another embodiment of the present invention.
11 is a view illustrating a process of attaching the upper panel according to another embodiment of the present invention using the upper panel winder.

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

≪ Example 1 >

1 to 4, the sheet material roll laminating apparatus 100 according to the present embodiment includes a lower stage 110, a side support 120, an upper panel support 130, a pressurizing roller 140, (Not shown in the drawing).

First, as shown in FIG. 1, the lower stage 110 is a component in which a lower plate 1 on which a laminating operation is to be performed is mounted in a state in which a combining resin R is applied on an upper surface thereof. At this time, the lower plate 1 may be a display panel, and is mounted on the upper surface of the lower stage 110 so as not to move. Therefore, the lower stage 110 may be provided with a vacuum adsorption chuck or the like.

3 and 4, the side support parts 120 are installed side by side on both side parts of the lower stage 110, and the upper side plate part 2 to be adhered on the lower side plate 1 It is a component supporting both side edges. That is, the side support member 120 prevents the upper plate member 2 from being excessively pressed downward during the roll laminating process of the upper plate member 2, Side edges of the upper plate member 2 so that no force is applied to the lower plate.

3, the height at which the side support parts 120 are installed is set higher than the lower side plate 1 by an interval d between the lower side plate 1 and the upper side plate 2 in this embodiment, do. Thus, the height of the side support portion 120 should be controlled very precisely, and the interval between the upper side plate 2 and the lower side plate 1 is determined by the height.

Further, the side support portion 120 may be provided with elevating means (not shown) for varying the height of the side support portion 120. The height of the side support portion can be varied precisely by the elevating means and the height of the side support portion 120 can be variously changed by reflecting the pressure applied between the attached display panel and the cover glass You can.

1, the upper panel support 130 is a component that supports one end of the upper panel 2 from below. In this embodiment, the upper panel support part 130 continuously extends one end side of the upper panel 2 in the process of roll lamination, so that the upper panel member 2 is sequentially transferred to the lower panel 1, As shown in FIG. At this time, it is preferable that the upper panel supporting part 130 is simply supported on the upper surface of the upper panel 2 in such a manner that one end of the lower surface of the upper panel 2 is laid on the upper panel supporting part 130 because the upper panel supporting part 130 can support the upper panel 2 easily.

1 and 4, the pressing roller 140 horizontally moves downward from the opposite end of the upper panel 2 toward the upper panel support 130, and presses the pressing roller 140 downward. Therefore, the pressurizing moving roller 140 is provided with roller driving means (not shown) for driving the pressurizing moving roller 140 in the vertical and horizontal directions separately. The roller driving means presses the pressure moving roller 140 downward while sequentially moving horizontally from one end of the upper plate member 2 to proceed the lapping operation.

2, the upper panel support 130 supports the upper panel support 130 so that the contact curvature of the upper plate 2 is kept constant as the pressurization moving roller 140 horizontally moves, And is a component for controlling the force applied to the end of the plate member 2. Here, the 'contact curvature' refers to the curvature of the curvature starting point (contact point) of the upper plate 2 as shown in FIG. 2, and the curvature of the upper plate 2 and the resin R) are in contact with each other. The contact point moves to the right in the drawing as the pressurizing moving roller 140 horizontally moves.

The moment M of the contact point in the cementing process is determined by the following equation (1).

&Quot; (1) "

M = F x L

And the curvature Ro of the substrate at the contact point is given by the following equation (2).

&Quot; (2) "

Ro? EZt / (2M)

Where E, Z, and t are constants as the eigenvalues of the substrate material. Therefore, if the M value is constant, the contact curvature Ro can be kept constant. The M value can be kept constant by controlling the F value according to the change of L during the course of the lapping process.

That is, the control unit adjusts the force F (F) applied to the distal end of the upper plate member 2 by the upper panel support 130 according to a change in the distance L between the pressing roller 140 and the upper panel support 130 ) So as to keep the contact curvature Ro constant.

Meanwhile, as shown in FIG. 1, the upper plate fixing part 150 may be further provided on the plate material laminating apparatus 100 according to the present embodiment. The upper panel fixing part 150 is provided on the opposite side of the upper panel supporting part 130 and is a component for preventing the upper panel 2 from moving in the laminating process by gripping the opposite end part of the upper panel 2 . Specifically, the upper panel fixing part 150 may have a structure for gripping various points at the distal end of the upper panel 2 and fixing the parts at the ends thereof so as not to move.

≪ Example 2 >

5, the sheet material roll laminating apparatus 200 according to the present embodiment includes a lower stage 210, a side support portion 220, an upper panel winding portion 230, a first grip portion 240, A second grip unit 250, a rotation driving unit 233, and a control unit (not shown).

In the present embodiment, the lower stage 210 and the side support 220 are substantially the same as those of the first embodiment, and a repetitive description thereof will be omitted.

As shown in FIG. 5, the upper panel winder 230 is a component that winds the upper panel 2 on which the laminating operation is to be performed, with the same curvature over all areas. Therefore, all the areas of the upper panel 2 are curved with the same curvature when the upper panel winder 230 is wound. Since the cementing operation proceeds in this state, the same conditions can be maintained at all points where the cementation is performed.

5, the upper panel winder 230 includes a body 231, a winding surface 232, a rotation driving part 233, and a horizontal moving part 234, as shown in FIG. . First, the body 231 has an overall shape of the upper panel winder 230 and may be a cubic body.

On the lower surface of the body 231, a winding surface 232 is formed as shown in FIG. The winding surface 232 is formed as a curved surface having the same curvature over all areas and has a convex shape downward.

The rotation driving unit 233 is provided on the opposite side of the winding surface 232 of the body 231 and rotates the body 231 and the winding surface 232. 5 to 7, the rotation driving unit 233 rotates the body 231 in a state in which the upper plate member 2 is wound on the winding surface 232 while being closely attached to the winding surface 232 And is brought into contact with the resin (R) sequentially from one end of the wound upper side plate (2).

5, the horizontal moving unit 234 rotates the rotation driving unit 233 and the body 231 in accordance with rotation of the rotation driving unit 233 so that the winding surface 232 moves in a rolling manner To be moved horizontally.

The panel winding unit 330 may include a winding roller 331, a rotation driving unit 332, and a horizontal moving unit (not shown) as shown in FIG. Here, the winding roller 331 is a component having a cylindrical shape as a whole. The rotation driving unit 332 is a component that is installed on the central axis of the winding roller 331 and rotates the winding roller 331. At this time, since the winding roller 331 has a perfect circular shape in section, the curvature of the outer surface is constant. Therefore, all the areas of the upper plate 2 wound on the outer surface of the take-up roller 331 have the same curvature, and all the areas of the upper plate can be cemented with the same curvature during the cementation process.

In this embodiment, as shown in Fig. 10, a plurality of upper plate members 2 may be wound on the take-up roller 331. Fig. The horizontal moving unit is a component that horizontally moves the winding roller 331 in accordance with the rotation driving of the rotation driving unit 332. [

5 to 7, the first grip portion 240 is installed at one end of the upper panel winding portion 230 and is connected to an upper panel (not shown) wound on the upper panel winding portion 230 2). The second grip portion 250 is a component that is installed at the other end portion of the upper panel winding portion 230 and grips the other end of the upper panel 2 wound on the upper panel winding portion 230 .

The first and second grippers 240 and 250 grasp both ends of the upper panel 2 before the adhesion process is performed so that the entire area of the upper panel 2 is divided into the curvature of the upper panel winder 230, So that they have the same curvature. As shown in FIG. 6, when the laminating operation is started, the first gripper 240 grips one end of the upper panel 2, Release it. On the other hand, the second gripper 250 keeps the other end of the upper panel 2 wound, and continues the lapping operation. Of course, at the end of the laminating operation, the end of the upper panel 2 is released as shown in Fig.

The control unit is a component for controlling the grasping and releasing operations of the first gripper 240 and the second gripper 250 according to the driving of the rotation driving unit 233. Accordingly, the control unit controls the gripping release of the first gripping unit 240 at the start of the lapping operation and controls the gripping release of the second gripping unit 250 at the end of the lapping operation. The control unit controls the horizontal movement of the horizontal moving unit 234 so that the upper panel winding unit 230 and the upper panel 2 wound thereon can roll by the rotation driving unit 233, .

100: A sheet material roll laminating apparatus according to an embodiment of the present invention
110: lower stage 120: side support
130: upper panel supporting portion 140: pressure moving roller
150: Upper panel fixing part 1: Lower side panel
2: Upper panel R: Combination resin

Claims (7)

A lower stage on which a lower plate to which a laminating operation is to be carried is mounted on a top surface thereof in a state in which a fitting resin is applied;
A side support portion provided on both side portions of the lower stage and supporting both side edges of an upper panel attached on the lower plate;
An upper panel winder for winding up the upper panel on which the laminating operation is to be carried out in a bent state with the same curvature over all areas;
A first grasping portion provided at one end of the upper panel winding portion and holding one end of the upper panel wound on the upper panel winding portion;
A second grasping portion installed at the other end of the upper panel winding portion and gripping the other end of the upper panel wound on the upper panel winding portion;
A rotation driving unit installed at a rotation center of the upper panel winder to rotate the upper panel winder so as to be sequentially attached to the lower panel from one end of the upper panel wound on the upper panel winder;
And a controller for controlling gripping and releasing operations of the first gripper and the second gripper according to the driving of the rotation driving unit. The apparatus according to claim 1, wherein the upper panel-
A winding surface having a curvature that is wound in a state that the upper panel has the same curvature;
A rotation driving unit installed on the opposite side of the winding surface and rotating the winding surface;
And a horizontal moving unit for horizontally moving the rotation driving unit. The apparatus according to claim 1, wherein the upper panel-
A winding roller having a cylindrical shape;
A rotating shaft provided on a central axis of the winding roller and rotating the winding roller;
And a horizontal moving unit for horizontally moving the rotating shaft. A lower stage on which a lower panel on which a cementing operation is to be carried is mounted in a state in which a joining resin is applied to an upper surface thereof;
A side support portion disposed parallel to both side portions of the lower stage and supporting both side edges of an upper panel attached to the lower panel;
An upper panel supporting part for supporting one end of the upper panel from below;
A pressurizing moving roller that horizontally moves downward from an opposite end of the upper panel toward the upper panel support portion;
A controller for controlling a force applied to an end of the upper panel by the upper panel support so that a contact curvature of the upper panel is kept the same according to a horizontal movement of the pressing roller; And
And an upper panel fixing part installed on the opposite side of the upper panel supporting part to prevent movement of the opposite side end part of the upper panel to prevent movement. delete 5. The apparatus according to claim 4,
Further comprising elevating means for varying the height of the side support portion. 7. The apparatus according to claim 6,
And drives the side support portion such that an upper surface of the side support portion is higher than an upper surface of a lower panel mounted on the lower stage.

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