JP2000167499A - Cleaning device, cleaning method and manufacture of liquid crystal display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce wipe leaving region in a cleaning part of a body to be cleaned without retaining a foreign matter at a specific position by sliding the body to be cleaned to the 1st direction in the state that the body to be cleaned is held between a pair of holding means. SOLUTION: A cleaning head part 10 as a pair of the holding means is formed so as to allow a cleaning cloth 80 to contact with a face of a terminal part 96 of the body 90 to be cleaned, to enable to slide the body 90 to be cleaned as the 1st direction X and to hold one end forming the terminal part 96 of the body 90 to be cleaned through the cleaning cloth 80. The body 90 to be cleaned is slid in the 1st direction X in the state that the body 90 to be cleaned is held by the cleaning head part 10 through the cleaning cloth 80, on which a solvent is applied by a solvent coating part as a coating means. As a result, the wipe leaving region in the cleaning part of the body 90 to be cleaned is reduced without retaining the foreign matter at the specific position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a cleaning apparatus, a cleaning method, and a method for manufacturing a liquid crystal display.

[0002]

2. Description of the Related Art For example, a liquid crystal display panel or a system LS
A plurality of input / output terminals are formed on a circuit board (a body to be cleaned) such as I, and these input / output terminals are cleaned.

In particular, when manufacturing or mounting a circuit board such as a liquid crystal display panel, cleaning these terminals is an important factor in improving the reliability of the circuit board.

[0004]

However, as a conventional method for cleaning such terminals, a worker manually performs a terminal portion of a body to be cleaned fixed on a table. It was a burden on the workers.

In addition, cleaning is performed by brushing with a cleaning device provided with a brush or the like. As a device using such a cleaning device, for example, a device in which a body to be cleaned is pinched and a head side to be held is moved is considered, but in such a cleaning method, the head is gradually moved with respect to the member to be cleaned. Since it is slid forward and backward (in the terminal direction), complicated operations are required. For this reason, a multi-axis configuration for moving each in a plurality of directions is essential, and the configuration of the cleaning device itself is complicated, and there is a problem that the manufacturing cost is increased.

[0006] In the case of the type in which the head is moved in the direction of the terminal to clean the head, the head moves from the edge of the terminal to the back, so that foreign matter such as dust moves in the direction of the terminal.
Foreign matter is collected in the back because it is brought to the closed end side between the terminals, and especially in the liquid crystal display panel, the edges of the terminals on which the upper and lower glass substrates are formed cannot be easily cleaned, and the unwiped area is left. There was a problem that it increased.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned technical problems.
Provided is a cleaning apparatus and a cleaning method that can reduce an unwiped area in a cleaning portion of a cleaning target while simplifying a device structure when cleaning the cleaning target, without accumulating foreign matter in a specific location. It is in.

[0008]

(1) A cleaning apparatus according to one aspect of the present invention slides an object to be cleaned in a first direction to at least move the object to be cleaned along at least the first direction. A cleaning cloth for contacting at least one surface of the terminal portion of the body to be cleaned, and a movement of the body to be cleaned in the first direction. A pair of holding means for allowing and holding one end of the body to be cleaned through which the terminal portion is formed, a coating means for applying a solvent to the cleaning cloth, and the cleaning cloth Moving means for sliding the object to be cleaned in the first direction in a state in which the object to be cleaned is held by the holding means via the holding member.

According to the present invention, when cleaning the terminal portion of the cleaning target, the cleaning target is brought into contact with the terminal portion, and the cleaning target is held by the holding means via the cleaning cloth. To pinch. Then, the object to be cleaned is slid by the moving means in the first direction, whereby the object can be cleaned.
In this manner, the configuration in which the body to be cleaned is moved is not required, so that the configuration on the holding means side of the cleaning device does not need to be configured to be able to move in multiple axes, and the device can be simplified.

[0010] Further, the cleaning cloth is rubbed with the movement of the object to be cleaned in the first direction, so that foreign matter does not accumulate on the back side of the terminal portion.

(2) A cleaning apparatus according to one embodiment of the present invention is:
A cleaning apparatus for cleaning a terminal portion arranged at one end along at least the first direction of the cleaning target by sliding the cleaning target in a first direction, wherein A cleaning cloth for cleaning the terminal portion by moving the cleaning cloth in the second direction intersecting the first direction in a state where the cleaning cloth is in contact with at least one surface of the terminal portion; Transport means for transporting from the back of the terminal portion toward the edge, allowing movement of the cleaning cloth, and narrowing one end of the body to be cleaned through the cleaning cloth, at which the terminal section is formed. A pair of holding means for holding, a coating means for applying a solvent to the cleaning cloth, and the cleaning target in the state in which the cleaning target is held by the holding means via the cleaning cloth. Moving means for slidably moving in one direction; By moving the cleaning cloth by the step to wash the portion of the terminal portion to move said moving means and changing the cleaning position of the terminal portion.

According to the present invention, when cleaning the terminal portion of the cleaning target, the cleaning target is brought into contact with the terminal portion, and then the cleaning target is held by the holding means via the cleaning cloth. To pinch. Then, the terminal portion can be cleaned by moving the cleaning cloth in the second direction by the transport means, so that the terminal portion is rubbed by the cleaning cloth. After the cleaning, the object to be cleaned is slid in the first direction by the moving means, thereby changing the cleaning position and sequentially cleaning other areas of the terminal portion. In this way, the configuration is such that the object to be cleaned is moved except for the movement of the cleaning cloth, so that the configuration on the holding means side of the cleaning device does not need to be configured to be multiaxially movable, and the device can be simplified. .

[0013] Further, since the cleaning cloth moves from the back side of the terminal portion toward the edge portion, foreign matter does not accumulate on the back side.

Further, since the sliding direction and the cleaning cloth moving direction intersect each other, two
Cleaning can be performed from two directions, and the cleaning efficiency can be improved.

(3) In the present invention, it is preferable that a position at which the solvent is dropped on the cleaning cloth by the coating means is upstream of a cleaning position on a transport path of the cleaning cloth.

According to the present invention, the solvent is dropped at a position as close as possible to the object to be cleaned, so that the solvent permeating the cleaning cloth is prevented from evaporating and the like, and the solvent is efficiently penetrated into the cleaning cloth. Since the object to be cleaned can be cleaned using the cleaned cleaning cloth, the object to be cleaned can be efficiently cleaned.

(4) In the present invention, the contact area between the cleaning cloth and the terminal portion is preferably formed over the front and back surfaces of one end of the body to be cleaned on which the terminal portion is formed. .

Thus, not only one surface of the object to be cleaned,
By configuring the cleaning cloth to be in contact with the other surface side, the back side of the cleaning target can be cleaned simultaneously with the front side, improving the cleaning efficiency and greatly increasing the cleaning time required for one cleaning target. It can be shortened.

(5) The present invention provides a method for transporting a cleaning cloth between a contact position on the front surface of the cleaning object and a contact position on a back surface of the cleaning object in the middle of the conveying path of the cleaning cloth. It is preferable to further comprise a guide means for guiding the surface of the object to be cleaned, and then cleaning the back side after cleaning the front side.

According to the present invention, the cleaning cloth can be optimally brought into contact with the terminals of the cleaning object by guiding the cleaning cloth in the transport direction by the guide means, so that the cleaning object can be efficiently cleaned. Can do it.

(6) In the present invention, it is preferable that the moving means has an installation unit capable of installing a plurality of the objects to be cleaned. Thereby, a plurality of objects to be cleaned can be continuously cleaned.

(7) The cleaning method according to one embodiment of the present invention includes:
A cleaning method of a body to be cleaned, wherein a cleaning object is slid in a first direction to clean at least a terminal portion arranged at one end of the body to be cleaned along the first direction. A coating step of applying a solvent to the cleaning target, and movement of the cleaning target and the cleaning cloth are allowed, and one end of the cleaning target through which the terminal portion is formed is pinched by a holding means. Holding the holding process, while contacting the cleaning cloth to at least one surface of the terminal portion of the object to be cleaned,
A cleaning step of moving the body to be cleaned along the first direction.

According to the present invention, when cleaning the terminal portion of the cleaning target, the cleaning target is brought into contact with the terminal portion, and the cleaning target is held by the holding means via the cleaning cloth. To pinch. The object to be cleaned can be cleaned by sliding the object in the first direction. As described above, the cleaning cloth is rubbed with the movement of the body to be cleaned in the first direction, so that foreign matter does not accumulate on the back side of the terminal portion.

(8) The cleaning method according to one embodiment of the present invention includes:
In the cleaning step, the cleaning cloth is brought into contact with at least one surface of the terminal portion of the object to be cleaned, and from the back of the terminal portion toward the edge in a second direction intersecting the first direction. The method includes a step of transporting the cleaning cloth.

According to the present invention, since the direction in which the slide moves and the direction in which the cleaning cloth moves intersect each other, the terminal portion can be cleaned from two directions, and the cleaning efficiency can be improved. Further, since the cleaning cloth moves from the back side of the terminal portion toward the edge portion, the possibility that foreign matters accumulate on the back side can be further reduced.

(9) The present invention provides a step of releasing the holding after the cleaning step, and moving the cleaning target in the first direction to change a cleaning position of the terminal portion of the cleaning target. And repeating the application step, the nipping step, and the cleaning step again.

According to the present invention, the terminal portion of the object to be cleaned is
Since the new cleaning cloth is constantly brought into contact with the terminal section, the cleaning cloth once in contact with the terminal portion is prevented from coming into contact with the terminal section again, and the cleaning can be performed accurately.

(10) In the present invention, following each of the above steps,
Moving the installation unit on which the plurality of objects to be cleaned are mounted, and cleaning the terminal portions of the other objects to be cleaned.

According to the present invention, since a plurality of objects to be cleaned can be continuously cleaned, the cleaning time in the cleaning step can be greatly reduced.

(11) In the method for manufacturing a liquid crystal display device according to one aspect of the present invention, the liquid crystal panel is slid in the first direction to be arranged at one end along at least the first direction of the liquid crystal panel. A method of manufacturing a liquid crystal display device for cleaning the terminal portion, wherein a coating step of applying a solvent to a cleaning cloth, and allowing movement of the liquid crystal panel and the cleaning cloth, and through the cleaning cloth A holding step of holding one end of the liquid crystal panel at which the terminal portion is formed by holding means, and contacting the cleaning cloth with at least one surface of the terminal portion of the liquid crystal panel along the first direction. Cleaning the liquid crystal panel.

According to the present invention, when cleaning the terminal of the liquid crystal panel, the cleaning cloth is brought into contact with the terminal,
The liquid crystal panel is held by the holding means via the cleaning cloth. Then, the liquid crystal panel can be cleaned by sliding the liquid crystal panel in the first direction. As described above, the cleaning cloth is rubbed with the movement of the liquid crystal panel in the first direction, so that foreign matter does not accumulate on the back side of the terminal portion.

(12) In the method for manufacturing a liquid crystal display device according to an aspect of the present invention, in the cleaning step, the first direction is applied while the cleaning cloth is brought into contact with at least one surface of the terminal portion of the liquid crystal panel. And transporting the cleaning cloth from the back of the terminal portion toward the edge in a second direction intersecting with the terminal.

According to the present invention, the direction in which the slide moves and the direction in which the cleaning cloth moves intersect each other, so that the terminal portion can be cleaned from two directions, and the cleaning efficiency can be improved. Further, since the cleaning cloth moves from the back side of the terminal portion toward the edge portion, the possibility that foreign matters accumulate on the back side can be further reduced.

(13) In the method for manufacturing a liquid crystal display device according to the present invention, a step of releasing the holding after the cleaning step;
Moving the liquid crystal panel in the first direction to change the cleaning position of the terminal portion of the liquid crystal panel; and repeating the application step, the nipping step, and the cleaning step again. It is characterized by.

According to the present invention, a new cleaning cloth is constantly brought into contact with the terminals of the liquid crystal panel, so that the cleaning cloth once in contact with the terminals is prevented from coming into contact with the terminals again. In addition, cleaning can be performed with high accuracy.

(14) In the method of manufacturing a liquid crystal display device according to the present invention, following the above-described steps, a step of moving an installation unit on which a plurality of the liquid crystal panels are mounted, and cleaning terminal portions of the other liquid crystal panels. including.

According to the present invention, a plurality of liquid crystal panels can be continuously cleaned, so that the cleaning time in the cleaning step can be greatly reduced.

[0038]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be specifically described below with reference to the drawings.

(Whole
Configuration) FIGS. 1 to 3 are schematic diagrams showing the entirety of a cleaning system including the cleaning apparatus of the present invention. As shown in FIG.
The cleaning device 2 includes a plurality of, for example, two cleaning devices 2, a cleaning hood 3 formed so as to cover the periphery of the cleaning device 2, and a four-legged support 4 that supports the cleaning hood 3.

A hood fixing portion 3a is formed below the cleaning hood 3, and the respective cleaning devices 2 (2-1 and 2-2) and the support 4 are fixed via the hood fixing portion 3a. Each is fixed by bolts 5.

An exhaust port 6 is provided at the top of the cleaning hood 3.
Is formed, and by connecting a duct hose (not shown), dust in the cleaning hood 3 is absorbed and the inside of the cleaning hood 3 is kept in a clean state. In this way, dust is prevented from adhering to the cleaning target 90 (described later).

Further, a work desk (not shown) capable of standing work is arranged in a side area of the support 4 so that an operator can easily operate the work desk. Each of the support 4 and the work table (not shown) is provided with a level adjusting mechanism 4a for adjusting the height in the height direction. For example, as shown in FIG. The height can be set freely with.

The panel set table 40 on which the object to be cleaned 90 is placed is moved laterally by the operation input of the operation input means 50 shown in FIG. 1, and the cleaning cloth 80 coated with the solvent at this time is moved to the object to be cleaned. Cleaning is performed by holding the terminal surface 90.

As shown in FIG. 2, a stage 8 on which a member such as an object 90 to be cleaned is placed is provided on the side of the cleaning device 2 which is operated by an operator. Further, on both sides of the cleaning hood 3, a cleaning cloth 80 and an unwinding shaft 2 described later are provided.
In order to facilitate the torque adjustment work of 7, an openable door is provided.

(Cleaning Apparatus) Next, a detailed configuration of the cleaning apparatus 2 will be described with reference to FIGS. 1, 2, and 4 to 6. FIG.

The cleaning apparatus 2 slides the rectangular cleaning target 90 shown in FIG.
It cleans the terminal portions 96 arranged along at least one end thereof, and as a main configuration, as shown in FIG.
A cleaning head unit 10 as a holding unit, a cleaning cloth unwinding / winding unit 20 as a transporting unit, a solvent coating unit 30 as an application unit, and a moving unit 40;
The cleaning target 90 includes an operation input unit 50 (FIG. 1) for setting and inputting a control operation of each unit. The cleaning target 90 includes, for example, a liquid crystal display panel.

As shown in FIG. 6A, the cleaning head unit 10 has a function of allowing the cleaning cloth 80 to move and a function of holding one end of the cleaning target 90 via the cleaning cloth 80. The cleaning cloth unwinding / winding section 20 has a function of driving the cleaning cloth 80 to move forward and backward. The solvent application section 30 has a function of applying a solvent to the cleaning cloth 80, as shown in FIG. As shown in FIG. 1, the moving unit 40 has a function of sliding and moving a plurality of, for example, four to-be-cleaned objects 90 in the X direction.

The operation input means 50 is, as shown in FIG.
A touch panel 52 as a display means for performing operations of each unit on a menu screen (such as an initial screen) displayed on the display screen, and a breaker 54 for turning on / off the power supply
As shown in FIG. 2, a regulator 56 as pressure adjusting means for adjusting and controlling the air pressure of the cylinder for driving each unit in the air panel at the rear of the control panel. Note that these control systems will be described later.

The cleaning cloth 80 is preferably formed of, for example, Bencott (non-woven fabric manufactured by Asahi Kasei Corporation) or the like.
As shown in FIG. 6A, the object to be cleaned 90 moves forward and backward in the direction of arrow Y intersecting with the direction of sliding movement (for example, the direction of X in FIG. 6B) (from the back side of the terminal portion 92 to the edge side). Aim). Therefore, the cleaning cloth 80
Is transport in the Z direction, that is, as shown in the drawing, the cleaning head unit 12
The inside of the range sandwiched by a and 12b is also used as the transport route.

Here, at the time of cleaning, the conveyance of the cleaning cloth 80 is stopped, and the cleaning can be performed such that the terminals 96 of the cleaning target 90 are brought into frictional contact and wiped off only by moving the cleaning target 90. Accordingly, foreign matter does not accumulate on the back side of the terminal portion 96.

At the time of cleaning, not only the cleaning object 90 is moved, but also the cleaning cloth 80 is simultaneously moved forward and backward in the arrow Y direction (from the back side of the terminal portion 92 toward the edge side). You may. In this case, since the sliding direction and the direction in which the cleaning cloth 80 moves intersect each other, the terminal portion 96 can be cleaned from two directions, and the cleaning efficiency can be improved. In addition, since the cleaning cloth 80 moves from the back side of the terminal portion 96 toward the edge, the possibility that foreign matters accumulate on the back side can be further reduced.

The object 90 to be cleaned is formed of, for example, a liquid crystal display panel, and as shown in FIG.
It is formed including a liquid crystal cell formed by enclosing a liquid crystal 94 between 2b and a polarizing layer. An electrode extending from a counter electrode in the liquid crystal cell is exposed at one end of the substrate 92a projecting from the other substrate 92b. This electrode functions as a terminal portion 96 for driving the liquid crystal cell. It is preferable that the cleaning target 90 is set so that the terminal portion 96 is on the upstream side of the cleaning cloth 80, and this state is referred to as a surface.

With this configuration, as shown in FIG. 6A, the cleaning cloth 80 is moved by the cleaning cloth unwinding / winding unit 20 into a Z direction.
And the solvent is dropped by the solvent application unit 30 in the middle of the transport path before the cleaning position. Accordingly, in the subsequent path, the solvent is applied to the cleaning cloth 80 together with the transport of the cleaning cloth 80, and moves to the back between the cleaning heads 12a and 12b in a state where the solvent is soaked in the cleaning cloth 80. Thus, the wet cleaning is performed by guiding the transport path in the arrow Y direction by the guide means 18. Then, the cleaning heads 12a and 12b connect the terminal portions 96 of the object 90 to be cleaned,
When the cleaning cloth 80 is held so as to allow the movement, the cleaning target 90 is moved to perform the cleaning.

The solvent dropping position of the cleaning cloth 80 by the solvent coating section 30 is formed in the middle of the transport path of the cleaning cloth 80. The cleaning contact position in the middle of the transport path of the cleaning cloth 80 is formed over the front and back surfaces of one end of the cleaning target 90.

It is preferable to provide a movable light so that the terminal can be visually inspected when the panel is set.

(Nipping Means) Next, a cleaning head portion which is a holding means will be described with reference to FIG. The cleaning head unit 10 includes two heads 12a and 12b formed above and below that sandwich the body 90 to be cleaned, and a pair of heads 12a and 12b.
It is configured to include a mini-hand 19 made of air as a driving means for driving the 12b, a micrometer 14 as a gap adjusting means for adjusting a head clearance (L in FIG. 5), and a lock screw 16.

Here, the mini-hand 19 is configured so that the holding pressure can be set by adjusting the air pressure by the regulator 56 (FIG. 2). The lock screw 16 of the micrometer 14 is formed so that the screw does not become loose during operation. In addition, it is preferable that the cleaning head unit 10 is provided with a spot-like openable / closable cover so as to prevent access during operation.

The heads 12a and 12b are formed so as to hold the cleaning cloth 80 when cleaning the terminals.
The head width of the heads 12a and 12b (the length in the X direction shown in FIG. 6) is slightly larger than the head 12a, and the head 12b is chamfered at the tip.

On the surface of the head 12a that comes into contact with the cleaning cloth 80, a groove is provided in the flow direction (Z direction in FIG. 6A).
Since the cleaning cloth 80 is slid and conveyed along the groove, the cleaning cloth 80 is prevented from falling off the heads 12a and 12b. Further, the head 12b is
It is formed so as to protrude before a.

Further, a guide for guiding the moving direction of the cleaning cloth 80 between the contact position on the front surface of the cleaning object 90 and the contact position on the back surface of the cleaning object 90 in the transport path of the cleaning cloth 80. Means 18 are provided. That is, the folding bar 18 of the cleaning cloth 80 is provided between the upper and lower heads 12a and 12b as guide means, and is driven by the high multi-cylinder 13. The return bar 18 is preferably a mechanism such as a cantilever return bar having a rigid frame in order to facilitate the guide of the cleaning cloth 80 by sliding movement.

(Conveying Means) Next, the structure of the cleaning cloth unwinding / winding unit as the conveying means will be described with reference to FIGS. 4 and 7 to 12.

As shown in FIG. 4, the cleaning cloth unwinding / winding section 20 has a winding means 210 for winding the cleaning cloth 80 roughly after cleaning and a cleaning cloth 80 before cleaning. And an unwinding means 260 for unwinding the cleaning cloth during cleaning.

As shown in FIG. 4, the winding means 210 winds the cleaning cloth 80 with rollers 212, 230 and 240 for guiding the direction of movement of the cleaning cloth 80 cleaned at the holding position A. And a winding unit 250.

As described above, each roller is provided in the middle of the movement path of the cleaning cloth 80 to form meandering preventing means for preventing meandering.

Here, the roller 212 is connected to the pulley 21
The movement (winding) speed of the cleaning cloth 80 by the roller 212 can be adjusted by adjusting the rotation speed by the first drive mechanism 217 connected to the first drive mechanism 6.

The winding section 250 is configured to adjust the winding speed of the winding section 250 by adjusting the rotation speed by the second drive mechanism 255 connected to the pulley 253.

Further, the roller 240 functions as a tension adjusting means for adjusting the tension of the cleaning cloth 80 by moving in the up and down direction (U direction in FIG. 4), and prevents the bending in the winding section 250 by preventing bending. It is comprised so that winding can be performed favorably.

The first driving mechanism, the second driving mechanism, the meandering preventing means, and the tension adjusting means are configured to adjust the winding speed and the bending balance on the winding side.

FIGS. 7A and 7B show the above-mentioned roller 2.
The details of the first drive mechanism for driving the motor 12 are shown. As shown in the figure, the pulley 216 is rotated by the rotation of the first drive mechanism 217, and this rotation is
15 to the pulley 214 via the shaft 213
The roller 212 can be rotated through.

The cleaning cloth 80 is guided in a desired moving direction by a roller 218 meshing with the roller 212, and the cleaning cloth 80 is prevented from falling off.

Further, as shown in FIG. 7B, in the vicinity of the roller 212, a photo sensor 220 as a detecting means connected to a side wall via a pipe spacer 222 is provided.
Is provided so that control of rotation speed, torque, and the like can be automatically performed.

FIG. 8 shows the details of the second drive mechanism 255. The second drive mechanism 255 rotates the pulley 253 by rotating the pulley 253, and transmits the rotational motion to the pulley 252 via the belt 254, thereby rotating the winding unit 250.

The roller 231 has a ring 231
Is rotatably fixed to the shaft. In addition, roller 2
40 is rotatably fixed to a hinge pin 242 via a bearing 241. This hinge pin 242 is
By moving along the direction 5 (U direction), the tension of the cleaning cloth 80 is adjusted.

FIG. 11 shows a more detailed view of the winding section 250. The take-up unit 250 includes the take-up reel 2
The cleaning cloth 80 is formed so as to be wound by 51.

As shown in FIG. 4, the unwinding means 260 is roughly divided into meandering preventing means 261 by rollers 266, 264, and 262 for guiding the moving direction of the cleaning cloth 80 before being cleaned at the cleaning position A. And an unwinding section 270.

As shown in FIG. 7A, the meandering preventing means 261 includes a roller 264 rotatably connected to a shaft fixed to the side wall via a ring 263, and a roller 264 configured in the same manner. 265.

As shown in the exploded view of FIG. 12, the unwinding portion 270 has a first flange 273, a second flange 274,
The first and second flanges 273 and 274 are rotatably fixed to the unwinding shaft 277 by inserting the unwinding shaft 277 into the lock nut 275 and bending after inserting the lock pin 276. .

The cleaning cloth 80 is wound between the first flange 273 and the second flange 274. With the first and second flanges 273 and 274, the cleaning cloth 80 can be formed so as not to separate from the reel. Also,
The feeding amount of the cleaning cloth 80 in the unwinding means 260 is 10 to
It is preferable that the range of 50 mm can be set in units of 5 mm.

The roller 264 of the unwinding means 260 can be formed so that the position of its axis can be changed (arrow V in FIG. 4), and the tension on the unwinding side can be adjusted.

(Coating Means) Next, the solvent coating portion as the coating means will be described with reference to FIGS. The solvent application section 30 is formed by, for example, a dispenser,
It has a discharge pressure adjustment function for discharging the solvent, a vacuum adjustment function, and a discharge time adjustment function for adjusting the discharge time.

As shown in FIG. 4, the solvent application section 30 includes a barrel 32 as a filling means for filling a solvent such as acetone or the like, and an arm as a supporting means for supporting the barrel 32 so as to be vertically movable and rotatable. 34, a rib 36 as an angle adjusting mechanism for adjusting the rotation angle of the arm 34 by rotatably fixing the arm 34, and an injection needle 38 provided at the tip of the barrel 32. You.

The discharge amount of the solvent is adjusted by the discharge pressure and the discharge time, and the discharge amount per one shot can be set in a range of, for example, 0.01 to 0.5 ml. It is preferable to form it so that it can be set from 01 to 9.99 sec.

The air hose between the barrel 32 and the dispenser preferably has a filter.
Further, it is preferable that the cap portion 37 is formed of, for example, an O-ring made of a silicon material.

Further, it is preferable that the barrel 32 be held with reproducibility of the needle position at the time of replenishing the solvent and that a guard be provided for preventing the needle from being bent.

When filling the barrel 32 with a solvent such as acetone, the barrel 32 is raised in the direction of arrow C at the position indicated by the two-dot chain line in FIG. At this time, how to raise the knob 36
The barrel 32 and lift the arm 34 with the knob 3
6. When it comes off from the part 6, the screw 36 is screwed in and the arm 3
4 stops at the boss of the knob 36. And then
In the raised state, the cap portion 37 of the barrel 34 is removed, and a solvent is injected (arrow D in FIG. 4).

(Moving Means) Next, moving means will be described with reference to FIGS. 1 and 13 to 18. Transportation means 400
As shown in FIG. 1, a jig table 42 having a plurality of installation units 41 on which the object 90 to be cleaned is mounted is roughly divided.
And an X-axis direction moving means 400 for moving the jig table 42 in the X-axis direction in FIG.

The jig table 42 is configured such that a plurality of, for example, four to-be-cleaned objects 90 can be set, as shown in FIGS. 16 to 18, and as shown in FIG.
Has an installation unit 41 that nips both ends of the device. The installation unit 41 is configured to be placed and fixed by a spacer block 47 and a clamper 46.

The spacer block 47 is fixed at a predetermined position. Here, the clamper 46 is formed so as to be movable in the X-axis direction, and its position can be fixed by the fixing bolt 43.

In this manner, positioning in the X-axis direction can be performed at both ends of the object 90 to be cleaned.

By inserting the positioning pin 44 dedicated to the model into the guide hole provided in the spacer block 47, the body 90 to be cleaned can be positioned in the Y-axis direction. To perform positioning.

More specifically, the left spacer block 47 is fixed first, and then the right clamper 46 is moved to set the width of the object 90 to be cleaned. It should be noted that the cleaning target 90 is easily set and reset.
A counterbore 49 (FIG. 17A) is provided on the clamper 46. Also, in order to nip the cleaning target 90, both the spacer block 47 and the clamper 46 have grooves 46a, respectively.
47a is provided. The jig table 42 holds the object 9 to be cleaned.
It is preferable to set the height so that the terminal surface of the zero terminal portion 96 can be observed.

The moving speed of the jig table 42 is, for example, 5
The speed change volume is formed so that the speed can be changed in stages, and a speed adjusting volume is provided in the electrical box.

The second moving means 40 includes a fine adjustment mechanism (not shown) for finely adjusting the depth of the cleaning head 10 and the terminal 96 in the depth direction, and a fine adjustment for the jig table 42 in the θ direction. It is preferable to provide a fine adjustment mechanism (not shown).

The X-axis direction moving means 400 is shown in FIGS.
As shown in FIG. 5, a table 423 for fixing the jig table 42 with the parallel pins 412, and a jig table 42
410 for driving the shaft 45 for simultaneously nipping or releasing the clamper 46 constituting the
And an X-axis direction drive mechanism 420 for moving the table 413 in the X direction.

As shown in FIG. 13, this X-axis direction driving mechanism 420 is a timing pulley 42 connected to a driving source.
6, a timing pulley 422 connected to the timing pulley 426 via a belt 424, a ball screw 427 formed coaxially with the timing pulley 422,
Having.

Further, as shown in FIG. 15, the linear shaft 428 and the slide bush 429 are
7 are arranged in parallel.

Further, as shown in FIG. 13, by providing a photo sensor 480 (FIG. 13) and a photo sensor 482 (FIG. 14) as detecting means, a moving distance in the X-axis direction is detected, and Is automatically controlled.

Further, the housing surrounding the X-axis direction drive mechanism 420 is guided and positioned by parallel pins 440 (FIG. 15) and fixed to the main body by screws. In addition, a scale 450 (FIG. 14) is formed in the moving portion that moves in the X-axis direction with the rotation of the ball screw 427.

(Regarding Control System) FIG. 19 is a functional block diagram schematically showing the configuration of the control system of the above-described cleaning apparatus.

As described above, the cleaning apparatus of this embodiment includes the cleaning cloth unwinding / winding section 20, the solvent application section 30, the cleaning head section 10, and the moving means 40, and the operation input means 50 for operating these. The control unit 60 controls the above-described units based on the operation input of the operation input unit 50, and the storage unit 70 stores various data, tables, and the like necessary for the control.

The control means 60 controls the cleaning cloth unwinding / winding section 20
Winding amount control means 61 for controlling the winding amount of the cleaning cloth 80
A take-up speed control means 62 for controlling a take-up speed of the cleaning cloth 80; an application amount control means 63 for controlling an application amount of the solvent in the solvent application section 30; Coating position control means 64 for controlling the position, holding control means 65 for controlling the opening / closing speed and opening / closing distance of the cleaning head unit 10, and movement control for controlling the movement amount, movement speed, movement timing and the like of the movement means 40 Means 66.

As the operation input means 50, various operation sections (not shown) corresponding to the above-mentioned respective means are provided. Of these, the regulator 56 for adjusting the holding pressure of the holding means 10 is provided. FIG. 2 shows a circuit breaker 54 for turning the power on and off as shown in FIG.

The data taken into the storage means 70 includes, for example, the number of sets of the cleaning target 90, the cleaning length (length of the cleaning target), the cleaning speed, and the like.

In the control system having the above-described configuration, when an operator performs an operation input using the operation input means 50, the control means 60 controls the cleaning cloth based on the operation input and various data from the storage means 70. Unwinding / winding unit 20 / solvent application unit 3
0, the cleaning head unit 10 and the moving means 40 are controlled.

When, for example, an unillustrated take-up operation button (for example, an icon on the menu screen is also possible) in the operation input means 50 is operated, (for example, the take-up amount, take-up speed, etc. May be formed so as to display a setting input window screen or the like for setting and inputting the same), a winding amount control means 61, a winding speed control means 62
Is, for example, the winding amount-driving amount (rotation speed) of the storage means 70.
The corresponding data is extracted from a conversion table, a winding speed-drive amount (rotation speed) conversion table, and the like, and the cleaning cloth unwinding / winding unit 20 is driven as desired.

The solvent application section 30, the cleaning head section 10, the moving means, and the like are similarly controlled. In this way,
A desired operation can be performed by the operation input of the operation input means 50.

Further, an emergency stop switch is provided in the operation input means 50.
When 0 stops, the holding means 10 is opened.

Further, it is preferable that the mode can be switched between an automatic mode and a manual mode by a selection switch (not shown).

As described above, by turning on the start switch by operating the operation input means 50, the moving means 40
Is moved, and the cleaning object 90 is cleaned with the cleaning cloth 80 coated with the solvent.
And wash sequentially. After one reciprocation, the cleaning operation is completed. The cleaning cloth 80 is automatically fed each time one cleaning target 90 is cleaned.

(Cleaning Method) Next, a method for cleaning an object to be cleaned using the above-described cleaning apparatus will be described with reference to a flowchart shown in FIG.

First, before starting the automatic operation, the following setup is performed.

(1) Panel Setting Step The jig table 42 has a combination of jigs corresponding to the size of the object 90 to be cleaned, for example, for four panels, three panels, and is selected according to a desired panel size. Perform For replacement, as shown in FIG.
Loosen and remove and replace with any table.

In the case of changing the type of the object to be cleaned 90,
The position of the clamper 46 on the jig table 42 is changed and the positioning pins 44 are replaced. The clamp is released by manual operation, the fixing bolt 43 is loosened, and the cleaning target 90 is placed so as to be sandwiched between the spacer block 47 and the clamper 46. Adjust so that there is no gap between the clamper 46 and the object 90, and loosen the fixing bolt 43. Adjust other options in the same way.

Next, the cleaning cloth 80 is set. As shown in FIG. 12, the lock pin 276 is
After being inserted through the hole of No. 74, it is turned down. First, the cleaning cloth 80 on the unwinding side is set, and the rollers 266, 2 shown in FIG.
The cleaning cloth 80 is put on 64 and 262.

(1-2) Adjustment of Nipping Clearance As shown in FIG. 15, the micrometer 14 adjusts the distance L in the heads 12a and 12b.

(1-3) Filling of Solvent Next, the barrel 32 is filled with a solvent. At this time, as shown by an arrow C in FIG. 4, the solvent is injected with the barrel 32 raised.

(1-4) Installation of Apparatus As shown in FIG. 1, the cleaning apparatus 2 (2-1)
・ Place 2-2) and fix both sides with fixing bolts 5.
Then, a duct hose is connected to the exhaust port 6 above the cleaning hood 3 to take exhaust air, and the air tube is connected to the cleaning device 2 (2-1.
2-2) Insert the pressurized air into the regulator with filter and supply power.

When the breaker 54 in the operation input means 50 is turned on, the touch panel 52 displays an initial screen. Further, the pressure of the regulator 56 is set.

The object 90 to be cleaned is set on the jig table 42 (step “s” 100).

Next, the start switch is turned on (s10
2). Then, the lock of the cleaning target 90 is turned on (s10).
4), the jig table 42 is moved (s106).

(2) Coating Step Next, a solvent is applied to the cleaning cloth 80 (s110), and at the same time, the cleaning cloth 80 is wound up to a set length (s112), and the cleaning cloth 80 is folded (s114).

When the end of the first panel comes to the cleaning head, the table is stopped (s120).

(3) Nipping Step In this step, first, one end of the first cleaning object 90 is nipped by the cleaning head unit 10 via the cleaning cloth 80 (s1).
22).

(4) Cleaning Step Then, the terminal section 96 is cleaned by moving the moving means 40 (s124).

In this cleaning step, it is preferable to employ any of the following methods. First, in a state where the conveyance of the cleaning cloth 80 is stopped, the moving object 40 is
0 is moved along the X direction. Accordingly, the terminal portion 96 of the cleaning target 90 can be cleaned by being brought into frictional contact and wiped off only by the movement of the cleaning target 90,
Foreign matter does not accumulate on the back side of the terminal portion 96.

Second, not only is the movement of the object 90 to be cleaned,
The cleaning cloth 80 is also cleaned so as to move at the same time in the direction of arrow Y (FIG. 6A) (from the back side of the terminal portion 92 to the edge side). In this case, since the sliding direction and the direction in which the cleaning cloth 80 moves intersect each other, the terminal portion 96 can be cleaned from two directions, and the cleaning efficiency can be improved. Also, the cleaning cloth 80
Moves from the back side of the terminal portion 96 toward the edge portion, so that the possibility of foreign matter accumulating on the back side can be further reduced.

The third method is to move only the cleaning cloth 80 in the direction of the arrow Y (FIG. 6A) and move the object 90 only when the cleaning position is changed. Even in this case, since the cleaning cloth 80 moves from the back side of the terminal portion 96 toward the edge, foreign matter does not accumulate on the back side.

(5) Post-process When the terminal portion 96 of the first cleaning target 90 is wiped, the holding of the cleaning head unit 10 is released (s126). Then, the operations of s104 to s110 are performed again (s128).
Here, the contact portion of the cleaning cloth 80 that has come into contact with the terminal portion 92 is moved and wound in the Z direction (FIG. 6), and a new cleaning cloth 80 is positioned at the contact position.

Next, when the end of the second cleaning object 90 comes to the cleaning head section 10, the moving means 40 is stopped (s13).
0). At this time, the contact portion of the new cleaning cloth 80 is 2
It will be located so as to face the uncleaned terminal portion 96 of the sheet 90 to be cleaned. As a result, the new cleaning cloth 80 comes into contact with the terminal portion 96 of the object 90 to be cleaned constantly.
The contact can be prevented from being brought into contact with the terminal portion 96, so that the cleaning can be performed accurately. Thereafter, the operations of s122 to s128 are performed (s132). Thus, (2) ~
The cleaning is performed by repeating the respective steps of (4) again, and the moving means 40 having a plurality of objects to be cleaned is moved to wash one end of another object to be cleaned. As a result, a plurality of objects to be cleaned can be continuously cleaned, so that the cleaning time in the cleaning step can be significantly reduced, and the productivity is improved.

When the last cleaning of the object 90 is completed, the same operation is repeated from the opposite end of the object 90 (s134). When one reciprocating feed is completed, the moving means 40 is stopped at the set position of the cleaning target 9 (s1).
36). Next, the lock of the cleaning target 90 is turned off, and (s
138) The cleaning target 90 is reset (s140).

As described above, the present embodiment has the following effects.

(1) Since the structure to move the object to be cleaned is all except for the movement of the cleaning cloth, the structure of the holding means side of the cleaning device does not need to be multi-axially movable, and the device can be simplified. I can do it. Since the cleaning cloth moves from the back side of the terminal portion toward the edge, foreign matter does not accumulate on the back side. Further, since the sliding direction and the cleaning cloth moving direction cross each other, the terminal portion can be cleaned from two directions, and the cleaning efficiency can be improved.

(2) A state in which the solvent is dripped at a position as close as possible to the object to be cleaned to prevent the solvent permeating the cleaning cloth from evaporating and the like, and the solvent is efficiently permeated into the cleaning cloth. The object to be cleaned can be cleaned using the cleaning cloth described above, and the object to be cleaned can be efficiently cleaned.

(3) The back surface of the object to be cleaned can be cleaned at the same time as the front surface side by arranging the cleaning cloth so as to contact not only one surface of the object but the other surface. And the cleaning time required for one cleaning object can be greatly reduced.

(4) By guiding the moving direction of the cleaning cloth by the guide means, the cleaning cloth can be optimally brought into contact with the terminal portion of the cleaning target, so that the cleaning target can be efficiently cleaned. it can.

(5) The cleaning cloth cutting operation is not required due to the automatic supply of the cleaning cloth. For this reason, since the cut cloth is not used, sticking of the fluff can be prevented. In addition, since the holding pressure, the cleaning speed, and the amount of solvent applied to the cleaning head can be controlled, the cleaning quality is stabilized, and wasteful consumption can be reduced. In addition, when the object to be cleaned is a liquid crystal display panel, poor quality such as melting of a polarizing plate can be prevented by supplying a fixed amount of solvent and positional accuracy. Further, by adjusting the positioning guide and changing the data, a plurality of types of flow can be performed.

Although the apparatus and method according to the present invention have been described in accordance with certain specific embodiments thereof, those skilled in the art will recognize that they have been described herein without departing from the spirit and scope of the invention. Various modifications can be made to the embodiment. For example, in the above-described embodiment, the case where the input / output terminal portion of the liquid crystal display panel is cleaned as an object to be cleaned has been described. it can.

Further, two cleaning devices 2 are provided on the support 4, but N (N is a natural number) may be provided. In this case, M panels to be cleaned can be placed on the panel set table for each unit.
Of the M sheets, K objects to be cleaned are washed (ie, not one object to be cleaned is washed by one holding means, but one object to be washed is washed by a plurality of holding means, Each of the cleaning objects is provided with a holding means, and the K cleaning objects are respectively held. For example, the cleaning is performed simultaneously. It is possible to wash a plurality of objects to be cleaned at the same time, and it is possible to greatly reduce the cleaning time.

[Brief description of the drawings]

FIG. 1 is a front view showing an example of an embodiment of a cleaning device according to the present invention.

FIG. 2 is a left side view showing the cleaning device of FIG. 1;

FIG. 3 is a plan view showing the cleaning device of FIG. 1;

FIG. 4 is an enlarged side view in which a cleaning cloth unwinding / winding unit of the cleaning apparatus of FIG. 2 is enlarged.

FIG. 5 is an enlarged side view showing a part of the cleaning apparatus of FIG. 1 in a further enlarged manner.

FIG. 6A is a schematic explanatory view for explaining the operation of the portion of FIG. 5; FIG. 6B is a diagram of an object to be cleaned which is cleaned by using the cleaning apparatus of FIG. 1; It is the schematic explanatory drawing which showed arrangement | positioning.

FIG. 7A is a front view showing the cleaning device of FIG. 4 as viewed from the right side of the drawing, and FIG.
It is the figure which looked at a part of (A) from the right side.

FIG. 8 is a rear view showing the cleaning device of FIG. 4 as viewed from the left side of the drawing.

9 is a plan view showing a state in which a part of the cleaning device of FIG. 4 is viewed from above the paper surface.

FIG. 10 is a front view showing a state in which a part of the cleaning device of FIG. 4 is viewed from the right side of the paper.

FIG. 11 is an enlarged front view of a part of the cleaning device of FIG. 8;

FIG. 12 is an exploded lower surface showing an unwinding part which is a part of the cleaning cloth unwinding and winding unit of the cleaning device of FIG. 1;

FIG. 13 is a front view showing moving means of the cleaning device of FIG. 1;

FIG. 14 is a plan view showing moving means of the cleaning device of FIG. 1;

FIG. 15 is a left side view showing moving means of the cleaning device of FIG. 1;

FIG. 16 is a front view showing moving means of the cleaning device of FIG. 1;

17A is an enlarged plan view of a part of the moving means of the cleaning device of FIG. 16, and FIG. 17B is a plan view of FIG.
It is an exploded front view of (A).

FIG. 18 is a front view showing a part of the moving means of the cleaning device of FIG. 1;

FIG. 19 is a functional block diagram illustrating a control system of the cleaning device of FIG. 1;

FIG. 20 is a flowchart showing a cleaning step of the object to be cleaned using the cleaning apparatus of FIG. 1;

[Explanation of symbols]

 2 Cleaning device 10 Holding means 12a, 12b Head 18 Guide means 20 Transport means 30 Coating means 40 Moving means 50 Operation input means 60 Control means 70 Storage means 80 Cleaning cloth 90 Object to be cleaned 96 Terminal part

Claims (14)

[Claims] 1. A cleaning device for cleaning a terminal portion arranged at one end along at least the first direction of the object to be cleaned by sliding the object to be cleaned in a first direction. A cleaning cloth that is in contact with at least one surface of the terminal portion of the cleaning target; and a movement of the cleaning target in the first direction, and the terminal of the cleaning target via the cleaning cloth. A pair of holding means for holding one end at which a portion is formed; an application means for applying a solvent to the cleaning cloth; and a state in which the cleaning target is held by the holding means via the cleaning cloth. And a moving means for slidingly moving the object to be cleaned in the first direction. 2. A cleaning apparatus for cleaning a terminal portion arranged at one end along at least the first direction of the cleaning target by sliding the cleaning target in a first direction. A cleaning cloth and a cleaning cloth for cleaning the terminal portion by moving in a second direction intersecting the first direction in a state where the cleaning cloth is in contact with at least one surface of the terminal portion of the object to be cleaned. A conveying means for conveying the terminal portion from the back to the edge in the direction of 2, and the terminal portion of the object to be cleaned is formed via the cleaning cloth while allowing movement of the cleaning cloth. A pair of nipping means for nipping one end, an applying means for applying a solvent to the cleaning cloth, and the object to be cleaned in a state where the object to be cleaned is nipped by the nipping means via the cleaning cloth. Moving means for sliding the body in the first direction; See, cleaning apparatus wherein the transporting means moves the cleaning cloth is washed a part of the terminal portion, characterized in that by moving the moving means to change the cleaning position of the terminal portion. 3. The cleaning apparatus according to claim 1, wherein a position at which the solvent is dropped on the cleaning cloth by the coating unit is upstream of a cleaning position on a transport path of the cleaning cloth. 4. The cleaning device according to claim 1, wherein the contact area between the cleaning cloth and the terminal portion extends over the front and back surfaces of one end of the body to be cleaned on which the terminal portion is formed. A cleaning device characterized by being formed by: 5. The transporting direction of the cleaning cloth according to claim 4, wherein the transporting direction of the cleaning cloth is between a contact position on the front surface of the cleaning target and a contact position on the back surface of the cleaning target in the middle of the transport path of the cleaning cloth. Cleaning means for cleaning the front side of the object to be cleaned, and then cleaning the back side thereof. 6. The cleaning apparatus according to claim 1, wherein the moving unit has an installation unit that can install a plurality of the objects to be cleaned. 7. A method for cleaning a body to be cleaned, wherein the body to be cleaned is slid in a first direction to clean at least a terminal portion of the body to be cleaned arranged at one end along the first direction. An application step of applying a solvent to the cleaning cloth; and a movement of the cleaning target and the cleaning cloth, and an end on which the terminal portion of the cleaning target is formed via the cleaning cloth. A holding step of holding by a holding means, and a cleaning step of moving the body to be cleaned along the first direction while contacting the cleaning cloth with at least one surface of the terminal portion of the body to be cleaned. A cleaning method, comprising: 8. The cleaning step according to claim 7, wherein, in the cleaning step, the cleaning cloth is brought into contact with at least one surface of the terminal portion of the body to be cleaned in a second direction intersecting the first direction. A cleaning method comprising a step of transporting the cleaning cloth from the back of the terminal portion toward the edge. 9. The cleaning device according to claim 7, wherein after the cleaning process, the holding is released, and the cleaning target is moved in the first direction. A cleaning method comprising: a step of changing a cleaning position; and a step of repeating the application step, the nipping step, and the cleaning step again. 10. The method according to claim 7, further comprising, following the respective steps, moving an installation unit on which a plurality of the objects to be cleaned are mounted, and cleaning the terminals of the other objects to be cleaned. A cleaning method, comprising the step of: 11. A method for manufacturing a liquid crystal display device, wherein a liquid crystal panel is slid in a first direction to clean at least a terminal portion arranged at one end of the liquid crystal panel along the first direction. A coating step of applying a solvent to the cleaning cloth; and allowing the liquid crystal panel and the cleaning cloth to move, and
A clamping step of clamping one end of the liquid crystal panel at which the terminal portion is formed via the cleaning cloth by a clamping means, while contacting the cleaning cloth with at least one surface of the terminal portion of the liquid crystal panel, A cleaning step of moving the liquid crystal panel along the first direction. 12. The terminal according to claim 11, wherein the cleaning step includes: contacting the cleaning cloth with at least one surface of the terminal portion of the liquid crystal panel while contacting the terminal in a second direction intersecting the first direction. A method of manufacturing a liquid crystal display device, comprising the step of transporting the cleaning cloth from the back of the part toward the edge. 13. The liquid crystal panel according to claim 11, wherein, after the cleaning step, a step of releasing the pinching, and the liquid crystal panel is moved in the first direction to clean the terminal portion of the liquid crystal panel. And a step of repeating the application step, the nipping step, and the cleaning step again. 14. The method according to claim 11, wherein, following each of the steps, an installation unit on which the plurality of liquid crystal panels are mounted is moved to clean another terminal portion of the liquid crystal panel. A method for manufacturing a liquid crystal display device, comprising: