JP3003388B2 - Glass rod assembly machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass rod rod for maintaining a constant distance between electrodes constituting a thin display tube, and to bond the electrodes to each other. The present invention relates to an apparatus for arranging bonding glass rod rods on electrodes.

[0002]

2. Description of the Related Art A conventional technique will be described with reference to FIG. Glass rod rods 10 and 11 arranged on electrode 4
Since the glass rod rod guide 20 was provided on the electrode, no displacement of the glass rod rod occurred due to the transfer operation and mechanical vibration. However, since the glass rod bar guide 20 has been deleted for cost reduction, the glass rod bar 1
A shift of 0 and 11 occurs. In order to eliminate the occurrence, an operator applies an adhesive liquid for the glass rod rods to positions where the glass rod rods 10 and 11 are arranged. Further, the worker sandwiches the glass rod rods 11 for maintaining the interval with the glass rod rods 10 for bonding, and the three rod rods 11 are arranged as a set on the electrode with tweezers.

[0003]

However, the application of the adhesive liquid to the glass rod rods and the glass rod rods 10, 11
There are the following problems in automating the array of. In order to reliably apply the adhesive liquid of the glass rod to the electrode 4, the tip of the nozzle must be brought into contact with the electrode. But,
The stacked electrodes 4 have an inclined plane or an irregular height. In addition, when the coating is performed one point at a time, the coating time becomes longer. When the glass rod rods 10 and 11 are arranged on the electrode 4, the glass rod rod 1 adsorbed by the mount head
When the glass rods 10 and 11 are displaced on the suction surface of the mount head due to vibrations generated when the robot moves, and when the vacuum is released after the glass rods 10 and 11 are sucked, air is blown for a moment. At that time, the alignment of the glass rod rods 10 and 11 is disturbed. Also, the stacked electrodes 4
If the planes of the glass rod rod trays are inclined or their heights are not constant, the adsorption of the glass rod rods 10, 11 and the adhesion of the glass rod rods 10, 11 will not be stable.

[0004]

In order to achieve this object, the nozzle is divided into two parts, two points are applied at the same time, and an inverted U-shaped part is formed on a part of the nozzle to make the nozzle elastic. And the spring is pressed from above the nozzle so that the position of the nozzle is surely returned. To ensure the holding of the glass rod bar of the mount head, holes for vacuum are opened in a staggered manner at the holding position of the glass rod bar, and a guide is provided on the mount head. In addition, in order to stabilize the suction and mounting of the glass rod, it is necessary for the mount head to follow the tray of the glass rod or the plane of the electrode. For this reason, springs are provided at both ends of the mount head, and swing only in the vertical direction about a mount head center axis provided at the center of the mount head. Also, a spring is provided on the mount head bracket to provide the mount head with vertical elasticity.

[0005]

By this means, the application of the adhesive liquid on the glass rod and the arrangement of the glass rod can be automated.
The electrode assembly accuracy is improved, the electrode assembly cost is reduced, and the electrode assembly is unmanned.

[0006]

An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, the dispenser-1 attached to the tip of the robot moves to a position where the glass rod rods are to be arranged. Next, the Z axis 2 of the robot is controlled, and the dispenser nozzle 3 is applied to the electrode 4, and the adhesive liquid is applied and applied on the electrode 4. At this time, the control position of the Z axis 2 of the robot is controlled so that the tip of the dispenser nozzle 3 can be lowered to the lowest point 3b of the dispenser nozzle 3 lower than the lowest electrode position. Thus, even if the height of the electrode 4 varies and the electrode 4 is tilted, the dispenser nozzle 3 slides up and down in the dispenser nozzle holder 5 to reliably apply the adhesive liquid on the electrode 4. . At this time, even if the dispenser nozzle 3 rises, the dispenser nozzle 3 is restored to its original position because the nozzle pressing spring 6 pushes the inverted U-shaped portion 3a of the dispenser nozzle downward. Moreover, the excessive force applied to the dispenser nozzle 3 is absorbed by the inverted U-shaped portion 3a of the dispenser nozzle 3. This operation is sequentially repeated to complete the application of the glass rod rod bonding liquid to the position where the glass rod rods are to be arranged.

Next, the operation of the glass rod assembly apparatus for arranging glass rods will be described.

[0009] First, the robot has the glass rod rods 10, 1
1 moves on the glass rod bar tray 7 on which the 1 is arranged. Next, the Z-axis 2 of the robot is lowered, the mount head cylinder 8 is operated, the mount head 9 is lowered, and the interval held by the bonding glass rod rod 10 arranged on the glass rod rod tray 7 is set. Glass rod rod for holding 1
1 is sandwiched and adsorbed, and the mount head 9 is raised. Next, the mount head 9 attached to the robot moves to the position where the adhesive liquid of the glass rod is applied, the Z axis 2 of the robot descends, and then the mount head cylinder 8 descends, and the glass rod Rod set 10, 1
1 is attached to the electrode 4. At this time, the glass rod rod tray
A lower stroke of the mount head 9 is provided so that the glass rod rod can be mounted on the electrode even if the height of the electrode 7 or the electrode 4 varies or is not horizontal. Therefore, the height variation of the glass rod bar tray 7 and the electrode 4 is absorbed by the contraction of the damper spring 13 on the mount head bracket 12. In addition, glass rod bar tray-7,
Or, when the electrode 4 is inclined, the mount head center
The mount head 9 tilts about the axis 14. At this time, the surface of the mount head and the glass rod are brought into close contact with each other by the copying springs 15 at both ends of the mount head 9, and the reliability of vacuum suction of the glass rod is improved.

[0010] Further, a glass rod rod 11 for maintaining the interval,
As shown in FIGS. 3 and 4, the bonding glass rod rod 10 has a staggered hole 16 provided in the mount head 9.
Then, vacuum suction is performed through the thin tube 17 and the hose 18 of the mount head. In addition, a guide projection 19 is provided on the mount head in order to prevent these glass rod bars from shifting. This operation is sequentially repeated to complete the arrangement of the glass rod bars,
The electrode assembly is completed.

[0011]

As described above, according to the present invention, the application of the adhesive liquid to the glass rod and the arrangement of the glass rod can be automated, thereby improving the electrode assembly accuracy, reducing the electrode assembly cost, and reducing the electrode assembly. Can be unmanned.

[Brief description of the drawings]

FIG. 1 is a side view of a glass rod bar assembling apparatus according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

3A is a sectional view of a mount head according to an embodiment of the present invention. FIG. 3B is a bottom view of the mount head.

FIG. 4 is a partial side view of a glass rod bar assembling apparatus according to an embodiment of the present invention.

FIG. 5 is a plan view showing a state in which glass rod rods are arranged on electrodes.

[Explanation of symbols]

 Reference Signs List 1 dispenser 2 Z axis of robot 3 dispenser nozzle 3a inverted U-shaped portion of dispenser nozzle 3b lowest point position of dispenser nozzle 4 electrode 5 dispenser nozzle holder 6 nozzle pressing spring 7 glass rod rod tray 8 Mount head cylinder 9 Mount head 10 Adhesive glass rod rod 11 Glass rod rod for spacing 12 Mount head bracket 13 Damper spring 14 Mount head center axis 15 Copying spring 16 Staggered hole 17 Mount head thin tube 18 E S 19 Guide projection 20 Glass rod bar guide

Continuation of the front page (56) References JP-A-61-265233 (JP, A) JP-A-2-190227 (JP, A) JP-A-2-174299 (JP, A) JP-A-1-122662 (JP) JP-A-2-252355 (JP, A) JP-A-56-121593 (JP, U) JP-A-4-76388 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB Name) B23P 21/00 305 B05C 5/00 101 B05C 13/02

Claims (1)

(57) [Claims] 1. An adhesive liquid comprising: a nozzle having a U-shaped portion, wherein each of the divided nozzles has a U-shaped portion; a bracket for holding the nozzle; and a spring for pressing an inverted U-shaped portion of the nozzle from above. A dispenser for application, a staggered hole for vacuum-sucking the glass rod bar, a mount head having a projection for guiding the glass rod bar, a shaft provided at the center of the mount head, and a center of the shaft. A glass rod rod assembling apparatus, comprising: a spring provided at both ends of a mount head for vertically swinging the mount head; and a mechanism for holding the mount head vertically downward by a spring.