KR100918855B1 - apparatus and method for separate cover-sheet from polarized film - Google Patents

Abstract

Disclosed is a protective sheet separating apparatus for a polarizing film capable of easily separating and removing a protective sheet from a polarized film.

The protective sheet separating apparatus of such a polarizing film has a worktable, a loading plate for loading the polarizing film in an upright position, and a loading plate positioned on the worktable, and an adhesive surface, the adhesive surface having the loading surface in front of the loading plate. A separating tape connected between the reels to face the surface, a grounding means for supporting one side of the separating tape in a rollable ground state to press one side of the protective sheet of the polarizing film, and the separating tape is advanced It includes a driving means for changing the position of the grounding means to move to the other side in the state bonded to the protective sheet to one side and the backward movement.

Description

Apparatus and method for separate cover-sheet from polarized film}

The present invention relates to an apparatus and method for separating a protective sheet of a polarizing film, and more particularly, it is possible to easily separate and remove a protective sheet from a polarizing film, and in particular, to significantly reduce the working area and space for separating and removing the protective sheet. A protective sheet separating apparatus and method for a polarizing film.

The substrate module for a flat panel display panel is manufactured by integrating two substrates to face each other and then forming a polarizing layer on the substrate surface.

That is, the operation of forming the polarizing layer is performed in a manner of attaching a polarized film (polarized-film) to the substrate side, the device used for such attachment work as a polarizing film attachment device of Korean Utility Model Registration No. 20-0429891 Is disclosed.

The polarizing film attachment device of Utility Model Registration No. 20-0429891 is attached to a polarizing film in a state in which a substrate module is loaded on one of the two rotary tables, and a polarizing film is loaded on the other rotary table. The protective film (hereinafter referred to as a "protective sheet") is detachably removed with an eliminator and can be attached.

And, the remover is operated so that the tape (adhesive tape) guided to the guide block can be separated and removed while pulling the protective sheet by the horizontal movement forward and backward toward the polarizing film in the workbench.

However, in order to peel off the entire protective sheet from the polarizing film, it is difficult to realize the miniaturization of the apparatus by occupying an excessive working area and space, since a horizontal transfer section for moving the guide block and the tape on the work table must be secured. .

In addition, the guide block and the tape must be reciprocated each time in the workbench along a horizontal transfer section longer than the length between the opposite sides of the substrate module, which may cause excessive holding time and reduce work efficiency and productivity. have.

In particular, the remover is a phenomenon that the protective sheet is easily falling off the tape when the guide block is reversed in a state in which the guide block is advanced and the one side of the tape is in contact with one side of the protective sheet of the polarizing film (the vertex where two edges meet). .

This phenomenon is because the adhesive surface of the tape is grounded in a line contact state with the protective sheet so that the protective sheet cannot be stably held.

Therefore, the remover has a disadvantage in that frequent removal of the protective sheet from the tape occurs when the protective sheet is removed.

Therefore, an object of the present invention has been proposed to solve the above problems, an object of the present invention can prevent a malfunction when removing the protective sheet from the polarizing film, in particular occupied area and space for removing the protective sheet It is to provide a protective sheet separating apparatus and method of the polarizing film that can significantly reduce the.

In order to achieve the object of the present invention as described above,

bench;

A loading plate having a loading surface for loading the polarizing film in an upright position and positioned on the work table;

A separation tape having an adhesive surface and connected between the reels so that the adhesive surface faces the loading surface in front of the loading plate;

A grounding means for supporting one side of the separation tape in a rolling ground state and pressing one side of the protective sheet of the polarizing film;

Driving means for changing the position of the grounding means such that the separation tape is moved forward and moved to the other side while being attached to one side of the protective sheet;

It provides a protective sheet separating apparatus of a polarizing film comprising a.

And, in order to achieve the other object of the present invention as described above,

Loading the polarizing film attached to the protective sheet on the loading plate:

Separating the protective sheet primarily from the polarizing film while advancing the separation tape to move to the other side in a state in which the separation tape is adhered to one side of the protective sheet;

Separating the protective sheet from the polarizing film by reversing the separation tape;

It provides a protective sheet separation method of a polarizing film comprising a.

As described above, the present invention can easily separate and remove the protective sheet from the polarizing film by using the separating tape, the grounding means, and the driving means through the first and second separating steps of the protective sheet stuck to the polarizing film.

In particular, since the primary and secondary separation removal operations by the above means consist of up / down movement and forward / backward operations, the area and space occupied in the work table can be greatly reduced.

In addition, since the grounding means and the driving means are operated so as to stick to the protective sheet and the surface contact state by pressing the separation tape with a grounding roller, the protective sheet when removing the protective sheet while pulling the protective sheet with the separation tape. Falling phenomenon can be prevented.

1 is a view showing a preferred installation state of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention.

2 and 3 are views for explaining the structure of the loading plate for the module and the loading plate for the film of FIG.

4 and 5 are views for schematically explaining the operation of attaching the polarizing film on the substrate module side.

6 is a view for explaining the detailed structure of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention.

7 is a view for explaining the structure of the supply reel and recovery reel of FIG.

8 and 9 are views for explaining the primary separation removal operation of the protective sheet separator of the polarizing film according to an embodiment of the present invention.

10 is a view for explaining the secondary separation removal operation of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention.

11 and 12 are views for explaining the structure of the push means of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention.

13 is a view for explaining the structure of the collecting means of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiments of the present invention are described to the extent that those of ordinary skill in the art can practice the present invention.

Therefore, since the embodiments of the present invention may be modified in various other forms, the claims of the present invention are not limited to the embodiments described below.

1 is a view showing a preferred installation state of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention, it can be installed on the worktable 2 of the conventional turntable polarizing film attachment device (M).

The work table 2 has a flat work surface S for carrying out a work of attaching the polarizing film F to a flat panel display panel substrate module (hereinafter referred to as a "module").

First and second rotary tables T1 and T2 are positioned on the work table 2 at regular intervals, and the first and second rotary tables T1 and T2 are driven from a driving source M1 such as a servo motor. It is installed on the working surface (S) to receive and rotate with respect to the center.

As shown in FIG. 1, the first rotary table T1 is fixed on a drive source M2 such as a transfer cylinder at the work table 2 to move along the sliding direction of the drive source M2. Install it if possible.

In addition, the loading plate L1 for the module is positioned on the first rotary table T1.

The module loading plate L1 has a loading surface H1 for loading the module G as shown in FIG. 2 and the loading surface H1 is erected along the circumference of the first rotary table T1. It is installed at a plurality of points.

A plurality of adsorption holes (H1-1) are formed in the loading surface (H1) so that the adsorption and fixing of the module (G) is possible by a conventional method by vacuum pressure.

That is, although not shown in the drawings, the adsorption holes H1-1 are connected to a vacuum pump and set to generate a normal adsorption force by driving the vacuum pump.

On the other hand, a loading plate (L2, hereinafter referred to as "loading plate for film") of the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention is located on the second rotary table (T2).

As shown in FIG. 3, the film loading plate L2 has a loading surface H2 for loading the polarizing film F, and the loading surface H2 is erected along the circumference of the second rotating table T2. Install at multiple points.

The film loading plate L2 may include a plurality of adsorption holes H2 having the same structure as that of the module loading plate L1 to fix and fix the polarizing film F.

One side of the loading surface (H2) is a pressing roller (H2-2) as shown in FIG. The press roller (H2-2) is fixed to the film loading plate (L2) side so as to be rotatable about the axis.

And, the loading plate for film (L2) is hinged to one side as shown in Figure 1 in a state standing on the second rotary table (T2), the opposite side is connected to the drive source (M3), that is, the piston rod of the cylinder .

As the driving source M3 pushes or pulls the film loading plate L2 based on the hinge point, the push roller H2-2 contacts the module loading plate L1 side as shown in FIG. 4. You can change your posture if you can.

Therefore, the polarizing film F is moved to the module G side while the module G and the polarizing film F are loaded on the module loading plate L1 and the film loading plate L2 side. You can proceed with the attachment work.

First, as shown in Figure 4 so that the pressing roller (H2-2) of the loading plate (L2) for the film is in contact with the module (G) of the loading plate (L2) for the module with the polarizing film (F) in between. The posture of the loading plate L2 for film is changed.

In this state, when the first rotary table T1 is moved by the driving source M3 as shown in FIG. 5, the pressing roller H2-2 rolls to the outer surface while the polarizing film F is rolled. Press) to attach the polarizing film (F) to the module (G) side.

This attachment operation is to proceed in the state of removing the protective sheet (F1) stuck to the polarizing film (F), it will be described a general operation method using a conventional turntable polarizing film attachment device (M).

In addition, the module G and the polarizing film F are loaded with the module loading plate L1 and the film loading plate L2 by the feeders J1 and J2 having a conventional adsorber structure as shown in FIG. 1. Can be loaded on the side.

Protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention includes a separating tape (4).

The separating tape 4 is for contacting the protective sheet F1 of the polarizing film F while the adhesive force is applied.

Referring to FIG. 6, the separation tape 4 may use a conventional roll-shaped adhesive tape having an adhesive surface A on which one side of the adhesive force is applied. Connect so that it can be wound to the reel (R2) side.

The two reels (R1, R2) may be installed on the fixed plate 6 side which is located away from the second rotary table (T2) on the worktable (2).

As shown in FIG. 7, the recovery reel R2 is connected to the shaft of a normal motor R1-1 so as to be wound around the separation tape 4 by driving the motor R1.

The supply reel R1 is connected to a normal magnetic brake drum R1-1. The magnetic brake drum (R1-1) can control the rotation of the supply reel (R1) in a conventional manner by the magnetic force of the electromagnet provided therein.

For example, when winding the separation tape 4 with the recovery reel R2, the rotation of the supply reel R1 may be controlled to be released in a state where a constant tension is maintained or to stop the release operation. have.

The separating tape 4 is set so that the bonding surface A faces the loading plate L2 for the film installed on the second rotating table T2 when connecting between the two reels R1 and R2. (See Figure 6)

The protective sheet separating apparatus of the polarizing film according to the embodiment of the present invention includes a grounding means (8).

The grounding means (8) is composed of a grounding roller (Q1) and the guide roller (Q2), it is fixed to be installed so as to rotate relative to the center from the fixing plate (6) side.

That is, the grounding roller Q1 is installed to be fixed to a separate fixing bracket B as shown in FIG. 6 so as to be located out of the fixing plate 6. The separating tape 4 is connected to pass through the grounding roller Q1 between the two reels R1 and R2.

The guide rollers Q2 are installed at a plurality of points to guide the connection of the separation tape 4 between the ground roller Q1 and the two reels R1 and R2. (See FIG. 6)

The grounding roller Q1 supports one side of the separation tape 4 in a rollable ground state to be pressed while pressing one side of the protective sheet F1 of the polarizing film F with the separation tape 4. can do. In particular, according to such a structure, when the protective sheet F1 is first separated from the polarizing film F while the ground roller Q1 is up / down by the second driving source M5 to be described later, the ground roller Q1 is used. The outer surface of the protective sheet (F1) by rolling in a state of pressing the one side may be in a state where the protective sheet (F1) is stuck to a certain area on the adhesive surface (A) side of the separation tape (4). And FIG. 10) Therefore, it is possible to prevent the phenomenon that the protective sheet F1 is separated from the separation tape 4 side during the secondary separation operation.

The protective sheet separating apparatus of the polarizing film according to the embodiment of the present invention includes a driving means (10).

The driving means 10 is for changing the position of the grounding means 8 so that it can be peeled off while pulling the protective sheet F1 by the adhesive force of the separating tape 4.

To this end, in the present embodiment, as shown in FIG. 6, the fixing plate 6 is moved in two directions from the work table 2 by the first and second driving sources M4 and M5. The position is changing.

The first and second driving sources M4 and M5 may use a general transport cylinder having a sliding section having a predetermined length, and the grounding roller Q1 of the grounding means 8 may be removed from the work table 2. Set to move forward / backward and up / down.

The first drive source M4 is set to horizontally move the fixed plate 6 on the worktable 2 as shown in FIG. 6.

That is, the first driving source M4 is grounded in the state of moving forward and backward toward the polarizing film F loaded on the loading plate L2 for film of the second rotary table T2 on the work table 2. Dragon roller Q1 can be moved.

In addition, the second driving source M5 arranges the movable plate 6-1 supporting the fixed plate 6 on the work table 2, and the fixed plate 6 on the movable plate 6-1. ) Can be set to move up / down.

That is, the second driving source M5 may move the ground plate Q1 up / down from the work table 2 while moving the fixed plate 6 up and down.

The driving means 10 operates to pull out and remove the protective sheet F1 of the polarizing film F with the separating tape 4.

First, such a separation and removal operation, by loading the polarizing film (F) on the loading plate (L2) side for the film, and loading the polarizing film (F) on the loading plate (L2) side for the film Proceed to state (see Figure 3).

In the loading state as described above, the first driving source M4 is driven as shown in FIG. 8 to move the ground roller Q1 in contact with one side of the protective sheet F1 of the polarizing film F. FIG. Let's do it.

By this operation, the adhesive surface A is brought into contact with the lower edge of the protective sheet F1 by pressing the separating tape 4 onto the outer surface of the ground roller Q1.

Then, when the grounding roller Q1 is slightly moved upward by the second driving source M5, the outer surface of the grounding roller Q1 is interposed with the separating tape 4 interposed therebetween. Rolling in contact with G).

At this time, the supply reel (R1) and recovery reel (R2) is operated so that the separation tape (4) is wound to the recovery reel (R2) side to a length corresponding to the moving distance of the ground roller (Q1).

By this operation, as shown in FIG. 9, that is, the lower edge portion of the protective sheet F1 may be firstly separated from the polarizing film F. FIG.

As described above, the secondary separation step is performed while the ground roller Q1 moves backward to the first driving source M4 as shown in FIG. 10.

Then, while pulling the protective sheet (F1) by the separation tape (4) can be separated secondly so that the entire surface is peeled off from the polarizing film (F).

As described above, the protective sheet F1 may be easily separated and removed from the polarizing film F while undergoing primary and secondary separation operations.

In particular, the structure for separating and removing the protective sheet F1 while moving the grounding roller Q1 in two directions (forward / backward and up / down) on the work table 2 is, for example, one horizontal movement. Occupied area and space can be significantly reduced compared to the separation removal structure.

In addition, by pressing the separating tape 4 by the rolling operation of the grounding roller Q1, a predetermined area of the protective sheet F1 contacts the adhesive surface A side as shown in FIG. 9. This structure can prevent the phenomenon that the protective sheet (F1) falls on the separation tape (4) side when the second separation while pulling the protective sheet (F1). In addition, the separation tape 4 is in contact with a part of the protective sheet F1 of the polarizing film F only during the first separation operation, and is pulled back during the second separation, and is not in contact with the polarizing film F. Since it is to be separated into the polarizing film (F) can be prevented by contact impact during the separation operation.

Therefore, the protective sheet separating apparatus of the polarizing film according to an embodiment of the present invention having the above-described structure, before the polarizing film (F) is attached to the module (G) side in the work table (2) 4) and the protective means (F1) can be easily separated and removed from the polarizing film (F) by using the grounding means (8) and the driving means (10).

In addition, the driving means 10 is not limited to a structure for moving the grounding roller Q1 in two directions as described above.

For example, although not shown in the drawing, the position of the ground roller Q1 may be adjusted in the left / right direction of the loading plate L2 for film. Such a structure can easily adjust the ground position of the ground roller (Q1) according to the shape or size of the polarizing film (F).

The first and second drive sources M4 and M5 may use, for example, a screw (ball screw) connected to a motor shaft, in addition to the transfer cylinder. You can also set (Q1) to move forward / backward and up / down. This power transmission structure can be easily carried out by those skilled in the art, so a detailed description thereof will be omitted.

The protective sheet separating apparatus of the polarizing film according to the embodiment of the present invention may further comprise a push means (12). The push means 10 is for controlling the winding state of the separation tape (4).

The push means 12 may be composed of a first pusher P1 and a second pusher P2, and these pushers P1 and P2 are conventional cylinders M7 as shown in FIGS. 11 and 12. In connection with the piston rod of the M8) is pushed.

For example, as shown in FIG. 11, the first pusher P1 may be installed to press one side of the separating tape 4 that passes through the grounding roller Q1 between the guide rollers Q2. .

This structure smoothly presses one side of the separating tape 4 when the protective sheet F1 is first separated, thereby smoothly separating the separating tape 4 from the ground roller Q1 side to the recovery reel R2 side. Can pull.

Then, the second pusher (P2), for example, while moving in contact with the outer surface of any one of the guide roller (Q2) located on the supply reel (R1) side as shown in Figure 12 the separation tape ( 4) It can be installed to press one side.

This structure is such that when the separation tape 4 is wound with the recovery reel R2, the separation tape 4 can be wound to a predetermined length by pressing one side of the separation tape 4 with the second pusher P2 ( 4) supply and transfer can be controlled.

The two pushers (P1, P2) is preferably set to be pressed while contacting the opposite surface of the adhesive surface (A) when pressing the separation tape (4).

The protective sheet separating apparatus of the polarizing film according to the embodiment of the present invention may further comprise a collecting means (14).

The collecting means 14 is for directly collecting the protective sheet (F1) separated from the polarizing film (F) in the work table (2), as shown in Figure 6 adsorption head (W1) and the container (W2) And it can comprise with the pressurizing head W3.

The adsorption head W1 is fixedly installed to allow up / down and rotation by receiving power from the driving source M9 at one side of the fixing plate 6, and has a plurality of adsorption holes W1-1 on one side. Have

The driving source M9 has a structure in which a normal transfer cylinder and a step motor are stacked, and the adsorption holes W1-1 are not shown in the drawing, but the protective sheet is connected to a vacuum pump at a normal vacuum pressure. (F1) can be detachably adsorbed.

In addition, the container (W2) is made of a box shape having an inner space open to the upper, and is fixed to the working surface (S) of the work table (2) as shown in FIG.

As shown in FIG. 6, the pressurizing head W3 is positioned above the ground roller Q1 in the fixed plate 6 and is installed to move forward / backward and up / down. This moving structure is not shown in the drawings but can be set to operate as described above using conventional transfer cylinders and piston cylinders.

That is, the collecting means 14, as shown in Figure 13 in the state where the protective sheet (F1) is separated and removed from the polarizing film (F) to the pressing head (W3) of the protective sheet (F1) Press the upper surface to be adsorbed to the suction head (W1) side.

Then, the suction head (W1) is rotated in a state in which the protective sheet (F1) is adsorbed to operate to drop the protective sheet (F1) into the container (W2).

Such a structure can be easily collected in one place within the working table (2) after proceeding to separate and remove the protective sheet (F1) from the polarizing film (F).

Claims (8)

bench; A loading plate having a loading surface for loading the polarizing film in an upright position and positioned on the work table; A separation tape having an adhesive surface and connected between a supply reel and a recovery reel in front of the loading plate; A grounding means having a grounding roller supporting one side of the separating tape in a rollable state and configured to press one side of the protective sheet of the polarizing film with the separating tape by the grounding roller; It consists of a first drive source for forwarding and retracting the grounding roller on the work table and a second drive source for up and down, and a part of the entire surface of the protective sheet when the grounding roller is moved to the grounding roller side by a separating tape. A driving means for driving the first surface separated from the polarizing film and sensing the second surface while the second surface is pulled back while sensing; A collecting means comprising a suction head and a collecting container for collecting the protective sheet separated from the polarizing film directly on the work table; Protective sheet separator of the polarizing film comprising a. The method according to claim 1, The separation tape, Protective sheet separating apparatus of the polarizing film is connected between the supply reel and recovery reel so that the adhesive surface facing the loading surface of the loading plate in the worktable. The method according to claim 1, The grounding roller, Protective sheet separating apparatus of the polarizing film is installed on the workbench to support the back of the adhesive surface of the separation tape in a rollable ground state. delete The method according to claim 1, The first and second drive source, Protective sheet separator for polarizing film using either a transfer cylinder or a screw connected to a motor shaft. The method according to claim 1, Protective sheet separator of the polarizing film, Further comprising push means for controlling the supply and transfer of the separation tape, The push means is a protective sheet separating device of the polarizing film consisting of a pusher that is operable to press at least one point of the separation tape. The method according to claim 1, The adsorption head is Protective sheet separating apparatus of the polarizing film which operates to separate the protective sheet attached to the separation tape by the adsorption force to be collected inside the container. Loading the polarizing film attached to the protective sheet on the loading plate: Winding a portion of the entire surface of the protective sheet by an up and down operation of the separating tape to separate the first from the polarizing film; Separating a part of the protective sheet separated from the polarizing film by a forward and backward operation of the separating tape to separate the second part from the polarizing film secondly; Method of separating the protective sheet of the polarizing film comprising a.