JP2003297234A - Forming device and forming method of barrier rib-like material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a barrier rib-like material to be continuously formed in a plurality of substrates without removing a paste in a forming device of the barrier rib-like material. <P>SOLUTION: In the forming device 1 of the barrier rib-like material wherein the barrier rib-like material 22 is formed on the surface of the substrate 20 by the moving a blade 5 horizontally relatively to the base board 2 together with the head part 3 by thrusting comb teeth into a paste film formed on the surface of the substrate 20, the forming device 1 of the barrier rib-like material is provided which is characterized in that a paste recovery case 12 for collecting the paste separated from the paste film 21 on the forward side of moving direction of the head part 3, a paste scraping device 13 for scraping out paste 23 recovered/accumulated in the paste recovery case 12 to the outside of the paste recovery case 12, and a receiving saucer 14 to house the paste 23 scraped out by the paste scraping device 13 are provided. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a PDP (plasm).
The present invention relates to a barrier rib-like material forming apparatus for forming a barrier rib-like material on a substrate used for a ma display panel).

[0002]

2. Description of the Related Art Generally, a PDP (plasma dis) is used.
An apparatus for forming barrier ribs is used to form barrier ribs on a substrate used for a play panel. Conventionally, for example, JP 2000-243A
A barrier rib-like material forming apparatus shown in FIG. 267 is known, and as shown in FIG. 11, this barrier rib-like material forming apparatus 51 is provided on a base 52 and above the base 52 and is horizontal. Moving head 53 movable in the direction (AB direction)
And an air cylinder 57 provided on the moving head 53,
A blade holder 54 supported by an air cylinder 57,
The blade 55 is held by the blade holder 54.

The base 52 has its upper surface formed horizontally, and the substrate 70 is arranged on this upper surface. The surface of the substrate 70 is coated with a ceramic paste in a film shape. In this state, the ceramic paste becomes a paste film 71. This ceramic paste is obtained by kneading glass powder or glass-ceramic mixed powder with resin and solvent.

The moving head 53 is a support column 52a of the base 52.
It is connected to a pair of male screw shafts 56 rotatably attached to, and moves in the AB direction as the male screw shafts 56 rotate. The moving head 53 is provided with a pair of left and right air cylinders 57. The blade holder 5 is attached to the lower end of the rod 57a of the air cylinder 57.
4 are supported.

The blade holder 54 is used for the air cylinder 5
7, the air tank 58 and the air pressure adjusting device 59 enable movement in the vertical direction (CD direction). A slit 54a for holding the blade 55 is provided below the blade holder 54 to move the moving head 53. It is formed in a direction (EF direction) orthogonal to the direction.

The blade 55 is made of metal, ceramic, resin or the like in a plate shape, and has a plurality of comb teeth 55a at its lower end. Further, the blade 55 is held by the blade holder 54 by inserting the upper end portion thereof into the slit 54a of the blade holder 54, and the lower end portion thereof is held by the base 5
2 and the surface of the substrate 70 are arranged to be horizontal.

As shown in FIG. 12, the comb teeth 55a are pierced into the paste film 71 and moved in the B direction,
The portion of the paste film 71 that comes into contact with the comb teeth 55a is swept away by the comb teeth 55a or moves to the gap between the comb teeth 55a and passes through this gap. The paste film 71 that moves into the gap between the comb teeth 55a forms a barrier rib-like object 72 together with the paste film 71 that is located in the gap between the comb teeth 55a. In addition, the paste 73 swept from the paste film 71 by the comb teeth 55a is attached / accumulated on the blade 55.

[0008]

However, in the above-mentioned barrier rib-like material forming apparatus 51, the paste 7 is used.
Since 3 accumulates on the blade 55, as shown in FIG. 13, when the blade 55 is separated from the substrate 70 and the barrier rib-like material 72 at the terminal end portion 70 a of the substrate 70,
There is a problem that the shape of the barrier rib-like material 72 formed at the terminal end portion 70a is disturbed because the paste 73 accumulated on the blade 55 is dripped on the surface of the substrate 70. Further, when the blade 55 is pierced into the substrate 70 before the barrier rib-shaped object 72 is formed without removing the paste 73 accumulated on the blade 55, the shape of the barrier rib-shaped object 72 formed in the pierced portion. There was a problem that was disturbed.

Further, when the barrier ribs 72 are continuously formed on a large number of substrates 70 using the blade 55, the paste 73 accumulated on the blade 55 increases and the paste moves to the gaps of the comb teeth 55a. Since the amount of the film 71 changes, there is a problem that the height of the barrier rib-like material 72 formed changes as the number of substrates 70 increases.

The present invention has been made in view of the above circumstances, and is a device for forming barrier rib-like objects which can continuously form barrier rib-like objects on a large number of substrates without removing the paste. Is intended to provide.

[0011]

In order to solve the above problems, the present invention proposes the following means. The invention according to claim 1 has a base for horizontally arranging the substrate, a head portion provided above the base, and a comb tooth on the lower portion, and the lower portion is horizontally arranged so as to face the substrate. And a blade held by the head portion, the paste film formed on the surface of the substrate is pierced with the comb teeth, together with the head portion, the blade relative to the base. In a barrier rib-like material forming apparatus that forms a barrier rib-like material on the surface of the substrate by moving in the horizontal direction, a paste that is provided on the front side in the moving direction of the head portion and collects the paste separated from the paste film. A recovery case, a paste scraping device for scraping the paste collected / accumulated in the paste collecting case out of the paste collecting case, and a paste scraping device. Proposes forming apparatus a barrier rib-like material, characterized in that it comprises a saucer for housing the can out the above paste.

In the barrier rib-like material forming apparatus according to the present invention, when the comb teeth are pierced into the paste film, the blade moves together with the head portion in the horizontal direction relative to the base, so that the substrate surface Of the paste film formed on the blade, the portion of the paste film that comes into contact with the comb teeth of the blade moves to the gap between the comb teeth or is swept away by the comb teeth. The paste film passing through the gap between the comb teeth remains on the surface of the substrate, and the paste film forms a barrier rib-like material on the surface of the substrate. On the other hand, the paste swept by the comb teeth is collected / stored in the paste collection case. Then, since this paste is stored in the tray from the paste collection case by the paste scraping device, the paste remaining in the paste collection case is maintained at a constant amount. Therefore, the amount of paste recovered in the paste recovery case per unit time (paste recovery speed) becomes constant, and the amount of paste film moving to the gap between the comb teeth is kept constant.

The invention according to claim 2 is the apparatus for forming a barrier rib-like material according to claim 1, wherein the paste recovery case is a plate-like member that faces the blade and extends in the advancing direction of the blade. A rake blade, the saucer is configured to move in the vertical direction in a region from below the moving region of the rake blade to the lower surface of the rake blade, and the saucer contacts the lower surface of the rake blade. A barrier rib-like material forming device is proposed, which is provided with a paste removing plate that scrapes off the paste adhering to the lower surface of the rake blade by the relative movement of the rake blade in the horizontal direction. In the barrier rib-like material forming device according to the present invention, when the paste in the paste recovery case is scraped off by the paste scraping device, a part of the paste wraps around and adheres to the lower surface of the rake blade. The paste adhering to the lower surface of the rake blade is scraped off when the paste removing plate comes into contact with the lower surface of the rake blade and the rake blade and the paste removing plate move relatively horizontally and in opposite directions. .

The invention according to claim 3 proposes an apparatus for forming a barrier rib-like material according to claim 2, wherein the paste removing plate is made of an elastic member. is doing. In the barrier rib-like material forming apparatus according to the present invention, since the paste removing plate elastically abuts against the lower surface of the rake blade, the rake blade and the paste removing plate are relatively abutted in the opposite directions. When the parallel movement is made, the paste removing plate conforms to the lower surface of the rake blade to remove the paste attached to the lower surface of the rake blade.

[0015]

1 to 10 show an embodiment according to the present invention. As shown in FIGS. 1 and 3, a barrier rib-like material forming apparatus 1 according to the present embodiment includes a base 2
A movable head (head portion) 3 provided above the base 2 and movable in the horizontal direction (AB direction);
The air cylinder 9 provided on the air cylinder 9, the blade holder 4 supported by the air cylinder 9, and the blade 5 held by the blade holder 4. The above configuration is the same as the conventional one described above.

The base 2 has an upper surface 2b formed horizontally, and a plurality of fine holes (not shown) are formed on the upper surface 2b. The substrate 20 is arranged in the region where the minute holes are formed, and the vacuum pump (not shown) that is in communication with the minute holes is activated to attract the substrate 20 to the upper surface 2b of the base 2. The surface of the substrate 20 disposed on the upper surface 2b of the base 2 is coated with a ceramic paste in a film shape, and in this state, the ceramic paste becomes a paste film 21. This ceramic paste is
It is a mixture of resin and solvent with glass powder or glass-ceramic mixed powder.

A pillar 2a extends upward from the upper surface 2c of the base 2, and the pillar 2a is provided with a male screw shaft 6, an electric actuator 7, and a paste scraping device 13. The male screw shaft 6 is horizontally installed, and an electric actuator 7 is connected to the male screw shaft 6. The electric actuator 7 is controlled by a drive circuit (not shown), and is configured to rotate the male screw shaft 6 based on a signal from the drive circuit.

The moving head 3 is provided with a female screw bearing, and is connected to the male screw shaft 6 by screwing a male screw shaft 6 into the female screw bearing. The moving head 3 moves in the AB direction above the base 2 when the male screw shaft 6 rotates, and the moving head 3 is provided with an air cylinder 9.

The air cylinder 9 is composed of a cylinder body 9a and a rod 9b, and is connected to an air tank 10 and an air pressure adjusting device 11. The air cylinder 9 is configured such that the rod 9b can advance / retract by supplying / discharging compressed air from the air tank 10 and the air pressure adjusting device 11 to / from the cylinder body 9a. The blade holder 4 and the paste recovery case 12 are fixed to the lower end of the rod 9b,
The expansion and contraction of the rod 9b enables the blade holder 4 and the paste recovery case 12 to move in the vertical direction (CD direction). At the lower end of the blade holder 4,
A slit 4a for holding the blade 5 is formed.

The blade 5 is made of metal, ceramic, resin or the like in a plate shape, and is held by the blade holder 4 by inserting the upper end portion thereof into the slit 4a of the blade holder 4. Further, the blade 5 is arranged such that its lower end is horizontal to the base 2 and the substrate 20, and is formed on the surface of the substrate 20 at its lower end as shown in FIG. A plurality of comb teeth 5 a having a length equal to the height of the barrier rib-like material 22 are formed. As shown in FIG. 1, the blade 5 is arranged so as to be inclined from the direction perpendicular to the upper surface 2b of the base 2 toward the movement direction by a certain angle.

As shown in FIG. 3, the paste recovery case 12 is for recovering / accumulating the paste 23 swept from the paste film 21 by the comb teeth 5a of the blade 5, and in the moving direction of the blade 5 (B Direction) to the front side,
The paste 23 is arranged so as to form a gap between the blade 5 and the front surface of the blade 5 so that the paste 23 can flow. As shown in FIG. 2, the paste collecting case 12 has a wedge-shaped rake blade 12
A and a discharge hole 12b for discharging the paste 23 to the outside of the paste collection case 12 are formed.

As shown in FIG. 1, the paste scraping device 13 includes a paste scraping member 13a and a scraping driving mechanism 13b for driving the paste scraping member 13a. The paste scraping member 13a has a tip portion 13c formed in a hook shape, and is arranged at a position where it can be inserted into the discharge hole 12b. The paste scraping member 13 a is for scraping the paste 23 accumulated in the paste collecting case 12 out of the paste collecting case 12.

On the upper surface 2c of the base 2, there is provided a tray 14 for accommodating the paste 23 scraped out of the paste recovery case 12 by the paste scraping member 13a. It includes a support rod 14a movably supported in a direction, a saucer body 14b, and a paste removing plate 15 fixed to the saucer body 14b. In this tray 14, the support rod 14a is driven by a drive source (not shown), and the upper surface 2c of the base 2 and the rake blade 1
It can move up and down between the lower surface of 2a,
The paste removing plate 15 is formed of an elastic member such as rubber.

The barrier rib-like material forming apparatus 1 configured as described above operates as follows. First, when the apparatus 1 for forming barrier ribs is activated, the air tank 10
Compressed air is supplied to the air cylinder 9 from the rod 9b, which causes the rod 9b to project in the D direction, which causes the blade holder 4 and the blade 5 to move in the D direction.
The a penetrates the paste film 21. Then, the male screw shaft 6 is rotated by the operation of the electric actuator 7, and the moving head 3, the blade holder 4 and the blade 5 are rotated.
Moves in the B direction. At this time, as shown in FIG. 3, the portion of the paste film 21 that abuts on the comb teeth 5a is
Is swept away by or moved to the gap between the comb teeth 5a.

The paste film 2 moving into the gap between the comb teeth 5a
No. 1 forms a barrier rib 22 on the surface of the substrate 20 together with the paste film 21 located in the gap between the comb teeth 5a. On the other hand, the paste 23 swept from the paste film 21 by the comb teeth 5a flows into the paste recovery case 12 through a gap between the blade 5 and the tip of the rake blade 12a, and is recovered as the paste 23 in the paste recovery case 12. Accumulated. Then, when the blade 5 reaches the end of the substrate 20, the blade 5 is separated from the substrate 20, and the barrier rib-like material 22 is formed on one substrate 20.

The paste 23 accumulated in the paste collecting case 12 is discharged to the outside of the paste collecting case 12 as follows. That is, after the barrier rib-like material 22 is formed on one substrate 20, the paste recovery case 12 is
As shown in FIGS. 5 and 6, the paste scraping member 13a is further moved in the B direction so as to be relatively inserted into the discharge hole 12b. Next, as shown in FIG. 7, the scraping drive mechanism 13b moves the paste scraping member 13a in the D direction to pierce the paste 23 with the tip portion 13c and bring it into contact with the upper surface of the rake blade 12a.

Then, as shown in FIG. 8, the paste scraping member 13a is pasted by the scraping driving mechanism 13b so that the tip portion 13c of the paste scraping member 13a is kept in contact with the upper surface of the rake blade 12a. Collection case 12
The paste 23 is moved in the B direction until it goes out, and a part of the paste 23 is scraped out of the paste collection case 12. Therefore,
In the paste collection case 12, a fixed amount of paste 23
Remains and the paste collection case 12 per unit time
Amount of paste 23 collected inside (paste collection speed)
Is kept constant. As a result, when the barrier rib-like material 22 is continuously formed on a large number of substrates 20, the amount of the paste film 21 that moves into the gap between the comb teeth 5a is kept constant.

A part of the scraped-out paste 23 falls and is accommodated in the saucer body 14b, and the other part adheres to the tip portion 13c of the paste scraping member 13a, and the scraping blade 12a It wraps around the bottom surface and adheres.
The paste 23 attached to the lower surface of the rake blade 12a is
It is scraped off by the paste removing plate 15. That is, as shown in FIG. 9, the paste removing plate 15 has the rake blade 12a.
Until the tray 14 contacts the lower surface of the
Direction), and as shown in FIG. 10, the rake blade 12a
The paste collecting case 12 is moved in the direction A until there is no contact portion between the paste removing plate 15 and the paste removing plate 15. As a result, the paste 23 attached to the lower surface of the rake blade 12a is scraped off by the paste removing plate 15.

When the barrier rib-like material is continuously formed on a large number of substrates 20, a new substrate 20 is placed on the upper surface 2b of the base 2 and the moving head 3 is moved in the A direction after the above work is completed. Move to the starting end of the substrate 20 and comb 5a
And the barrier rib-like material 22 is formed.

As described above, according to the barrier rib-like material forming apparatus 1, the paste 23 is the paste recovery case 1.
Since the paste 23 is collected in the blade 5, the paste 23 is not accumulated on the blade 5, and thus the shape of the barrier rib 22 can be accurately formed at the end of the substrate 20. Further, when the barrier rib-like material 22 is continuously formed on a large number of substrates 20, the shape of the barrier rib-like material 22 formed at the portion where the comb teeth 5a are pierced can be accurately formed, and at the same time, the comb Since the amount of the paste film 21 that moves into the gap between the teeth 5a is kept constant, it is possible to form the barrier rib 22 while keeping the height of the barrier rib 22 constant.

Further, the paste removing plate 15 has a scooping blade 1
The paste removing plate 1 elastically abuts on the lower surface of 2a.
Since the paste 5 adhered to the lower surface of the rake blade 12a is removed by making the 5 fit to the lower surface of the rake blade 12a, the scraping is favorably performed, and the paste 23 can be reliably removed.

In the above-mentioned embodiment, the blade 5 moves in the horizontal direction together with the moving head 3. However, the blade is attached to a fixed head for fixing the blade in a fixed position, and the substrate moves in the horizontal direction together with the base. May be Further, although the blade 5 is arranged to be tilted by a certain angle from the direction perpendicular to the upper surface 2b of the base 2 to the moving direction side, the invention is not limited to this arrangement, and it may be arranged in the vertical direction. Good. Further, the paste 23 is discharged to the outside of the paste recovery case 12 every time the barrier rib-like material 22 is formed on the surface of one substrate 20, but the plurality of substrates 2
The paste 23 may be discharged to the outside of the paste collection case 12 each time the barrier rib-like material 22 is formed on the substrate. Further, the moving head 3 is supposed to move in the horizontal direction by the rotation of the male screw shaft 6, but the moving head is provided on the steel belt wound around a pair of cylindrical rolls so that the roll rotates and the steel belt rotates. The moving head may move in the horizontal direction by moving the.

[0033]

As described above, according to the invention of claim 1, since the paste collecting case for collecting the paste is provided, the paste is formed on the substrate without accumulating on the blade. The shape of the barrier rib-like material can be accurately formed. Further, it is possible to accurately form the shape of the barrier rib-like material formed in the portion where the comb teeth are pierced. Further, since the amount of the paste film that moves into the gap between the comb teeth is kept constant, even when the barrier rib-like material is continuously formed on a large number of substrates, the height of the barrier rib-like material is kept constant. It becomes possible to do.

According to the second aspect of the present invention, the paste removing plate comes into contact with the lower surface of the rake blade, and the rake blade and the pan move relatively in the horizontal direction, so that the paste removing plate adheres to the lower surface of the rake blade. The paste can be scraped off.

According to the invention of claim 3, the paste removing plate elastically abuts against the lower surface of the rake blade,
Make sure that the paste removal plate conforms to the bottom of the scooping blade,
Since the paste attached to the lower surface of the rake blade is removed, the scraping is performed more favorably, and the paste attached to the lower surface of the rake blade can be reliably removed.

[Brief description of drawings]

FIG. 1 is an enlarged side cross-sectional view showing a main part of a barrier rib-like material forming apparatus according to the present embodiment.

FIG. 2 is a view showing an apparatus for forming a barrier rib-like material of FIG.
It is a perspective view showing a paste collection case.

FIG. 3 is a view showing an apparatus for forming a barrier rib-like material of FIG.
It is an expanded sectional view showing an important section of a blade and a paste collection case.

FIG. 4 is a view showing an apparatus for forming a barrier rib-like material of FIG.
FIG. 4 is an enlarged front cross-sectional view showing a substrate having a barrier rib-like material formed on its surface.

5 is a view showing an apparatus for forming a barrier rib-like material of FIG.
FIG. 6 is a side cross-sectional view of a main part of the forming apparatus showing a paste discharging process.

6 is a view showing the apparatus for forming the barrier rib-like material of FIG.
FIG. 6 is a side cross-sectional view of a main part of the forming apparatus showing a paste discharging process.

FIG. 7 is a diagram showing an apparatus for forming a barrier rib-like material of FIG.
FIG. 6 is a side cross-sectional view of a main part of the forming apparatus showing a paste discharging process.

FIG. 8 is a view showing an apparatus for forming a barrier rib-like material of FIG.
FIG. 6 is a side cross-sectional view of a main part of the forming apparatus showing a paste discharging process.

9 is a view showing an apparatus for forming a barrier rib-like material of FIG.
FIG. 6 is a side cross-sectional view of a main part of the forming apparatus showing a paste discharging process.

10 is a side cross-sectional view of the main part of the forming device showing the process of discharging the paste in the forming device for barrier ribs of FIG. 1. FIG.

FIG. 11 is a perspective view showing an example of a conventional apparatus for forming barrier ribs.

FIG. 12 is an enlarged cross-sectional view showing a main part of the barrier rib-like material forming apparatus of FIG.

13 is an enlarged cross-sectional view showing a main part of the barrier rib-like material forming apparatus of FIG.

[Explanation of symbols]

1 Barrier rib material forming device 2 bases 3 Moving head (head part) 5 blades 5a Comb teeth 12 Paste collection case 12a scooping blade 13 Paste scraping device 14 saucer 15 Paste removal plate 20 substrates 21 Paste film 22 Barrier ribs 23 paste

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshio Kanda             1002-14 Mukoyama, Naka-machi, Naka-gun, Ibaraki Prefecture             Terari Co., Ltd.             Inside (72) Inventor Shoro Kuromitsu             1002-14 Mukoyama, Naka-machi, Naka-gun, Ibaraki Prefecture             Terari Co., Ltd.             Inside (72) Inventor Yoshihiro Nakajima             1-2-7 Steel Street, Urayasu City, Chiba Prefecture Mike             Within Lo Tech Co., Ltd. F-term (reference) 4F042 AA06 AB00 CC02 CC09 DD02                       DD07 DD11 ED05                 5C027 AA09                 5C040 GF19 JA02 MA23

Claims (3)

[Claims] 1. A base for horizontally arranging a substrate, a head portion provided above the base, and a comb tooth at the bottom,
The lower part is arranged horizontally to face the substrate, and a blade held by the head part is provided, and the paste film formed on the surface of the substrate is stabbed with the comb teeth, and the head part, In a barrier rib-like material forming apparatus for forming a barrier rib-like material on a surface of the substrate by moving a blade in a horizontal direction relative to the base, the barrier rib-like material forming device is provided at a front side in a moving direction of the head portion A paste collection case for collecting the paste separated from the paste film, a paste scraping device for scraping the paste collected / accumulated in the paste collection case out of the paste collection case, and a scraping device for scraping by the paste scraping device. And a saucer for accommodating the formed paste. 2. The apparatus for forming a barrier rib-like material according to claim 1, wherein the paste recovery case has a plate-shaped rake blade that faces the blade and extends in a traveling direction of the blade, The saucer is configured to move in the vertical direction in a region from below the moving area of the rake blade to the lower surface of the rake blade, and the saucer abuts the lower surface of the rake blade to horizontally move the rake blade. An apparatus for forming a barrier rib-like object, comprising a paste removing plate for scraping off the paste adhering to the lower surface of the rake blade by relative movement in the direction. 3. The barrier rib-like object forming apparatus according to claim 2, wherein the paste removing plate is made of an elastic member.