JP2002075184A - Fixing equipment for color-selecting mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing equipment of a color-selecting mechanism which can fix color-selecting mechanism stably, at a normal position in a cathode-ray tube panel. SOLUTION: In a color-selecting mechanism, which interfits panel pins 25A to 25D fixed on the inner surface of skirts of a panel 3 to respective hole in springs welded to a color-selecting mechanism in an adjusted state of a relative position between a color-selecting mechanism 5 and a panel 3 of a cathode-ray tube, for adjusting the relative position between the color-selecting mechanism 5 and the panel 3, pin holders 184 and a D-pin holder supporting the panel pins of the panel 3 are positioned closer to the inner surface of a panel 3 than to the interfitting position between each of the supporting springs and the panel pins.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel provided on an inner wall of a cathode ray tube panel and having a hole provided in a support spring of a color selecting mechanism in a state where the relative positions of the selection mechanism and the cathode ray tube panel are matched. The present invention relates to a device for mounting a color selection mechanism to be fitted to a device.

[0002]

2. Description of the Related Art In a color cathode ray tube, an inner surface of a cathode ray tube panel (hereinafter, simply referred to as "panel") is provided with R.
A color phosphor screen composed of (red), G (green), and B (blue) is formed in order, and a color image is displayed by emission of three primary colors by irradiating the color phosphor screen with an electron beam. .

In order to form the color phosphor screen, a desired photosensitive coating film (for example, PVA tourist coating) is formed on the inner surface of the panel in a state where the cathode ray tube panel and a color selection mechanism including an aperture grill and a shard mask are separated. A film or a coating film of a phosphor slurry is formed, and exposure is performed with a mounting device equipped with a color selection mechanism at a proper position on the inner surface of the panel.
Thus, the photosensitive coating film is exposed using the color selection mechanism as a mask, and a color phosphor screen corresponding to the color selection mechanism can be formed by performing development.

In a color cathode ray tube, the formation of such a color phosphor screen is repeated for each of RGB. That is, in the case of applying a photosensitive coating film, processing is performed with the color selection mechanism removed, and in the case of exposure, processing is performed with the color selection mechanism attached. For this reason, attachment of the color selection mechanism by the attachment device greatly affects exposure accuracy and production reliability.

A conventional example of a mounting device for mounting a color selection mechanism at a regular position on the inner surface of a panel, that is, a position of a panel pin, will be described with reference to FIGS.

FIG. 20 is a schematic perspective view illustrating the entire structure of a conventional mounting device. That is, this mounting device
An AG lifter 142 that carries a color selection mechanism and carries it into the mounting device, a transport unit 105 that transports the panel into the mounting device, a panel Y positioning unit 106 that positions the panel 3, and a panel X positioning unit 107
And pin units 160A, 10A for mounting the engagement holes in the support springs of the color selection mechanism to the panel pins of the panel.
6B, 160C and D pin unit 190, AG stage 141 and AG clamp unit 200, and panel Z holding unit 108 for holding the panel in the height direction
And

FIG. 21 shows a panel transfer / conveyance of a conventional mounting apparatus.
It is a schematic perspective view which shows a positioning mechanism. The panel transport / positioning mechanism 50 includes a transport unit 10 mounted on the first substrate 100 on a box-shaped frame 104.
5, a panel Y positioning unit 106, and a panel X positioning unit 107 mounted on the transport unit 105
And a panel Z holding unit 108.

[0008] The transport unit 105 includes a first substrate 100.
A pair of roller units 1031 symmetrically arranged above,
1032. Each roller unit 103
Reference numerals 1 and 1032 denote two supports 101 provided on the first substrate 100, a bracket 102 provided on the support 101 and bent to stand upright, and the bracket 10.
And a plurality of rollers 109 provided on the second roller.
The roller 109 is connected to a drive motor and can rotate.

The panel Y positioning unit 106 includes a first
Four Y positioning units 110 on the substrate 100
1, 1102, 1103, and 1104 are arranged.

Each Y positioning unit 1101, 110
Reference numerals 2, 1103, and 1104 denote brackets 111 provided on the first substrate 100 and bent to stand up, a joint A112 provided on the bracket 111, a joint B114 provided on the bracket 111, and a joint B114. Arm 11 provided at a rotation fulcrum
5, a cylinder 113 provided with joints A112 and an arm 115 at both ends thereof at rotation fulcrums, and a roller 116 provided on the arm 115.

The roller 116 provided on the arm 115 is extended and contracted by the rod 118 of the cylinder 113.
The posture can be changed by rotating the rotation fulcrum 117 about the fulcrum.

The panel X positioning unit 107 is provided on the bracket 102 of the roller unit 1031.
Two pushers 1201 and 1202 and two abutting portions 1191 and 1192 provided on the bracket 102 of the roller unit 1032 are arranged.

Each of the X pushers 1201 and 1202 has an abutting portion 1191 and 1192 that abuts on the outside of the panel 3.
The panel 3 is configured to be pressed from the outside of the panel on the opposite side.

The panel Z holding unit 108 includes two Z holding units 1212 and 1214 provided on the bracket 102 of the roller unit 1031 and two Z holding units 1211 and 1213 provided on the bracket 102 of the roller unit 1032. Become composed.

Each of the Z holding units 1211, 121
Reference numerals 2, 1213, and 1214 denote lock cylinders 122 provided on the bracket 102 of the roller unit 103,
It is constituted by a plate 123 provided at the rod end of the lock cylinder 122.

The lock cylinder 122 is mounted on the plate 1
23 and the plate 123
Stops when it comes into contact with
A mechanism for holding the position of No. 3 so-called locking is provided.

FIG. 22 is a schematic perspective view for explaining a Z-up / down mechanism of a conventional mounting device. The Z up-down mechanism 51 includes an AG stage 141 on the first substrate 100 on a box-shaped frame 104, and an AG lifter 142 mounted on the AG stage 141.

The AG stage 141 is provided on the first substrate 100
Four linear guides 1431, 1432, 1
433, 1434 and their respective linear guides 143
Rods 1441, 1442, 1443, 1444 that can move up and down in 1, 1432, 1433, 1434;
A second substrate 140 provided at the upper end of the two rods 1441, 1442, 1443, 1444, and a cylinder provided on the back surface of the first substrate 100 and having the tip of the rod 146 fixed to the second substrate 140 145.

The second substrate 140 moves up and down with respect to the first substrate 100 as the rod 146 of the cylinder 145 expands and contracts.

The AG lifter 142 includes a second substrate 140
Four linear guides 1471, 1472, 1
473, 1474 and their respective linear guides 147
1, 1472, 1473, 1474, rods 1481, 1482, 1483, 1484 which can move up and down inside;
A third substrate 150 provided on the upper end of the two rods 1481, 1482, 1483, 1484, a cylinder 151 provided on the second substrate 140 and having the end of the rod 149 fixed to the third substrate 150; Third substrate 15
Receiving portions 1521, 1522, and 15 provided at the four corners 0
23, 1524.

The third substrate 150 moves up and down with respect to the second substrate 140 as the rod 149 of the cylinder 151 expands and contracts.

FIG. 23 is a schematic exploded perspective view for explaining the operation of the color selection mechanism by the mounting device. That is, as a means for carrying the color selection mechanism 5 into the mounting device, the color selection mechanism 5 is placed on the receiving portion 152 of the third substrate 150 with the third substrate 150 of the AG lifter 142 raised. Is done. Thereafter, the substrate 150 is lowered, and the color selection mechanism 5 is carried into the mounting device.

FIG. 24 is a schematic perspective view illustrating the pin unit. Pin units 160A, 160B, 160
C, on the second substrate 140 (see FIG. 22), the pin unit 160A is located at a position corresponding to the panel pin 25A of the panel 3, the pin unit 160B is located at a position corresponding to the panel pin 25B, and the panel pin (panel pin 2).
Pin unit 1 at a position corresponding to
60C is arranged.

Here, the pin unit 160B will be described as an example. The pin unit 160B is a first unit composed of a plate 161 provided on the second substrate 140 and a guide rail 162 and a movable block 163 provided on the plate 161. , A bracket 168 attached to the movable block 163 of the first linear guide 164 and having both ends standing up, a guide rail 169 and a movable block 170 provided on a flat portion 166 of the bracket 168. A second linear guide portion 171, a bracket 172 having one end mounted on the movable block 170 of the second linear guide portion 171, and a guide pin 17 mounted on the raised surface of the bracket 172.
3, a third linear guide portion 176 comprising a guide rail 174 and a movable block 175 provided on a flat portion 166 of the bracket 168, and a third linear guide portion 17
6, a bracket 177 having one end standing upright attached to the movable block 175, a spring pusher 178 attached to the bracket 177, a bracket 179 provided on the plate 161, and a bracket 179 and a tip of the rod thereof having the bracket 168. A first cylinder 180 attached to the upright surface 167 and a bracket 1
The upright surface 165 and the rod end of the
A second cylinder 181 mounted on the second upright surface;
A third cylinder 182 having an upright surface 165 of the bracket 168 and a rod end thereof attached to the upright surface of the bracket 177; a cylinder 183 having a guide mechanism attached to the upright surface of the bracket 168;
A bracket 185 provided on the plate 161, a cylinder 186 having a guide mechanism mounted on the bracket 185, and a spring receiver 187 mounted on the cylinder 186.

The pin receiver 184 is connected to the first cylinder 180
Forward and backward in the direction of the panel pin 25B,
When 84 moves forward and backward, the spring pusher 178 and the guide pin 173 also move forward and backward in conjunction with each other.

Further, even if the pin receiver 184 is in a stopped state, the spring pusher 178 and the guide pin 17
3 can move forward and backward individually. Furthermore, a pin receiver 184
Can move up and down on the upright surface 167 of the bracket 168. The spring receiver 187 can move up and down on the plate 161. This pin unit 160A, 1
Detailed operations of 60B and 160C will be described later.

The D pin unit 190 is connected to the second substrate 14
It is arranged at a position corresponding to the panel pin 25D of the panel 3 of the cathode ray tube on the reference numeral 0. The D pin unit 190
Pin receiver 184 in so-called pin unit 160B
And the guide pins 173 and components for driving them. The detailed operation and operation of the D pin unit 190 will be described later.

FIG. 25 is a schematic perspective view for explaining the AG clamp unit. AG clamp unit 2001,
2002 is arranged on the second substrate 140 (see FIG. 22) at a position sandwiching the two elastic members 14 of the frame of the color selection mechanism 5.

Here, taking the AG clamp unit 2002 as an example, the AG clamp unit 2002 includes a block 201 attached to the second substrate 140, a guide rail 202 provided on the block 201, and movable blocks 203 and 204. Linear guide portion 205 comprising
A bracket 206 having one end standing on the movable block 203 of the linear guide portion 205, a finger A207 mounted on the upper surface of the standing portion of the bracket 206, and the movable block 20 of the linear guide portion 205.
One end of the bracket 209 attached to 4
A plate 210 attached to the upper surface of the upright portion of the bracket 209, a finger B212 having an upright shape attached to the plate 210 so as to be rotatable by the rotation fulcrum 211, and a flat portion of the bracket 206. A lock cylinder 214 attached to the block 201 and arranged so as to sandwich the plate 213, and a cylinder 208 fixed to the bracket 206 and having a rod end fixed to the bracket 209.

Finger A 207 and finger B 212
Means that the rod of the cylinder 208 expands and contracts,
Open and close. Since the finger A 207 and the finger B 212 are fixed on the movable blocks 203 and 204, respectively, at the time of the closing operation, the finger A 207 and the finger B 212 follow the mounted position of the elasticity imparting member 14 in the frame 15 of the color selection mechanism 5 so-called. The holding can be performed without changing the position of the elasticity applying member 14.

Further, by sandwiching the plate 213 by the locking cylinder 214, the elasticity imparting member 14
, The position of the color selection mechanism 5 can be fixed.

Next, the operation of the conventional mounting device will be described with reference to FIG.
1, FIG. 23 and FIG. 26 to FIG. In addition,
Here, the operation of one pin unit and its surroundings will be described, but the operation of each pin unit is the same. The support springs 22A to 22D will be described as support springs 22, and the panel pins 25A to 25D will be described as panel pins 25. 26 to 34,
(A) is a partial plan view, (b) is a partial sectional view.

First, the AG lifter 142 in the raised state
The color selection mechanism 5 is placed on the receiving portion 152 of the third substrate 150 in a desired posture. Next, the substrate 150 is lowered, and the color selection mechanism 5 is carried into the mounting device (FIG. 2).
3). At this time, each support spring 22 of the color selection mechanism 5 is placed on the corresponding spring receiver 187 (see FIG. 26).

Next, the pin units 160A, 160B,
160C guide pin 173 and spring pusher 1
78, the pin receiver 184, and the spring pusher 178 of the D pin unit 190 advance. At this time, each guide pin 173 is inserted into the engagement hole 21 of each support spring 22 of the corresponding color selection mechanism 5, and the support spring 22 is bent.

The position of the engagement hole 25 in the bent state of the support spring 22 is determined by the so-called panel pin 25 of the panel 3.
At the position where the engagement hole of the support spring 22 is mounted. That is, the position of the color selection mechanism 5 is set.

Further, the above-described guide pin 173 is
In a state where the support spring 22 is inserted into the support spring 1, the lower surface of the support spring 22 is in a state of being floated from the spring receiver 187 (see FIG. 27).

Next, the fingers A 207 and B 208 of the AG clamp unit 200 are closed, and the elasticity providing member 14 of the frame 15 of the color selection mechanism 5 is gripped. Further, the position is fixed by sandwiching the plate 213 with the locking cylinder 214 in this gripping state (see FIG. 28). That is, fixing is performed at a position where the color selection mechanism 5 is positioned without displacing the position.

Next, the pin units 160A, 160B,
The spring pusher 178 of 160C and the spring pusher 178 of the D-pin unit 190 move forward, and further deflect the support spring 22 of the corresponding color selection mechanism 5. Although the state at this time will be described later, the support spring 22 and the panel pin 25 do not interfere with each other when the color selection mechanism 5 is inserted into the inner surface of the panel 3.

Further, the guide pin 173 moves backward, and moves to a position which avoids interference when inserting the color selection mechanism 5 into the inner surface of the panel 3 as described later.

Further, the pin receiver 184 is raised. Although this position will be described later, when the panel pin 25 of the panel 3 is placed on the pin receiver 184, the positional relationship between the panel pin 25 and the engaging hole 21 of the support spring 22 of the color selection mechanism 5 indicates that the panel 3 has Are in the same relative positional relationship as the normal positional relationship with the attached (see FIG. 29).

Next, the panel 3 is transported on the rollers 109 of the roller unit 103 of the transport unit 105 in a desired posture (see FIG. 21). Next, the panel Y positioning unit 106 and the panel X positioning unit 1
At 07, the panel 3 is positioned (see FIG. 30).

Next, the panel Y positioning unit 106 and panel X positioning unit 107 release the positioning. Thereafter, the second substrate 140 of the AG stage 141 is raised, and the pin units 160A, 160B, 160C, the D pin unit 190, and the AG clamp unit 20 attached to the second substrate are mounted.
0 rises.

At this time, each of the panel pins 2 of the panel 3
5 is mounted on the pin receiver 184 of the corresponding pin unit 160, and the lower surface of the panel 3 floats from the roller 109 of the roller unit 103 (see FIG. 31). Thus, the position of each panel pin 25 placed on the upper end of each pin receiver 184 becomes equal to the position where the engaging hole 21 of the support spring 22 of the corresponding color selection mechanism 5 is mounted.

This is because when the panel pins 25 of the panel 3 are placed on the pin receiver 184, the relative positional relationship of the panel 3 with respect to the color selection mechanism 5 is finally determined.

The spring receiver 187 moves down. At this time, the positional relationship between the panel 3 and the color selection mechanism 5 is as follows.
The color selection mechanism 5 is mounted on the inner surface of the panel 3 in a relative positional relationship.

The position of the panel 3 is secured by the three pin receivers 184 of the pin unit 160, and the so-called fourth panel pin 25D is in a state in which the height direction is not regulated. Panel pin 25D
It tends to lean to the side. If the panel 3 is greatly inclined in this state, the engagement hole 21 of the support spring 22 cannot be fitted to the panel pin 25, as described later.

Next, the four plates 123 of the panel Z holding unit 108 are lifted and stop rising when they are in contact with the lower surface of the panel 3.
The position 3 is fixed and so-called locked. At this time, the plate 123 holds the position of the panel 3 without changing the position.

Next, the pin receiver 184 is lowered (FIG. 32).
reference). Thereafter, the pin units 160A, 160B, 1
The spring pusher 178 of 60C and the spring pusher 178 of the D-pin unit 190 are retracted, and the engagement holes 21 of the support springs 22 of the respective color selection mechanisms 5 are fitted to the panel pins 25 of the panel 3. The retracted position of the spring pusher 178 at this time is the support spring 2
2 and the panel 3 (see FIG. 33).

In this state, the color selection mechanism 5 is mounted at a regular position on the inner surface of the panel 3. Next, the fingers A207 and B212 of the AG clamp unit 200 are opened, and the second substrate 1 of the AG stage 141 is opened.
The pin unit 160, the D pin unit 190, and the AG clamp unit 200 are lowered as the 40 is lowered.

Further, the spring pusher 178 and the pin receiver 184 of the pin unit 160 and the spring pusher 178 of the D pin unit 190 are retracted. Further, the lock of the plate 123 of the Z holding unit 121 is released and the Z holding unit 121 descends. At this time, the lower surface of the panel 3 is placed on the roller 109 of the roller unit 103 (FIG. 3).
4).

Next, the panel 3 on which the color selection mechanism 5 is mounted at the correct position is the roller 109 of the roller unit 103.
It moves up and is carried out.

[0052]

As described above, the conventional mounting apparatus has a complicated mechanism and requires a lot of time for maintenance. In addition, when the panel pins 25 of the panel 3 are placed by the pin receiver 184, there is no restriction in the height direction of the fourth panel pin 25D of the panel, so that the panel 3 is inclined to the panel pin 25D side.
It is unavoidable that the relative positional relationship between the panel 3 and the color selection mechanism 5 is out of order, and a trouble that the engagement hole 21 of the support spring 22 is not fitted to the panel pin 25 occurs.

In view of the above, the present invention provides a mounting apparatus for mounting, for example, a panel and a color selection mechanism at regular positions in the manufacture of a color cathode ray tube. Another object of the present invention is to provide a mounting device which can position a panel pin of a panel and accurately hold a posture of the panel.

[0054]

According to the present invention, a panel pin provided on an inner wall of a cathode ray tube panel is provided on a support spring of the color sorting mechanism in a state where the relative positional relationship between the color selection mechanism and the cathode ray tube panel is matched. In the mounting device of the color selection mechanism to be fitted into the hole formed, in order to match the relative positional relationship between the color selection mechanism and the cathode ray tube panel, the pin receiver supporting the panel pin of the cathode ray tube panel is positioned at the position where the support spring is fitted. It is more in contact with the inner wall side of the cathode ray tube panel.

In the present invention, the pin support for supporting the panel pin of the cathode ray tube panel comes into contact with the inner wall side of the cathode ray tube panel from the position where the support spring is fitted, so that the hole of the support spring is fitted to the panel pin. Even if
The pin receiver of the panel pin does not interfere with the support spring, and the support spring can be fitted to the panel pin while the panel pin is supported by the pin receiver.

Further, according to the present invention, four panel pins provided on the inner wall of the cathode ray tube panel are provided on the four support springs of the color selection mechanism in a state where the relative positional relationship between the color selection mechanism and the cathode ray tube panel is matched. In the mounting device of the color selection mechanism to be fitted into each of the holes, when matching the relative positional relationship between the color selection mechanism and the cathode ray tube panel, four pin receivers respectively supporting four panel pins of the cathode ray tube panel from below. And a height deviation absorbing mechanism provided in one of the four pin receivers.

In the present invention, since the four pin pins support the four panel pins of the cathode ray tube panel, the cathode ray tube panel can be supported without being tilted.
In addition, since one of the four pin receivers is provided with a displacement absorbing mechanism in the height direction, the displacement in the height direction due to the inclination of the cathode ray tube panel can be accurately absorbed.

[0058]

Embodiments of the present invention will be described below with reference to the drawings. The present embodiment relates to the manufacture of a color cathode ray tube, particularly to a mounting device for a panel and a color selection mechanism.

First, a schematic configuration of a color cathode ray tube manufactured in this embodiment is shown in FIG. This color cathode ray tube 1
The color fluorescent screen 4 is formed on the inner surface of the panel 3 of the tubular body 2, and the color selection mechanism 5 is disposed so as to face the color fluorescent screen 4 at a predetermined distance (so-called grill height) GH, and An electron gun 6 is arranged in the first position.

As shown in FIG. 2, for example, the color phosphor screen 4 has red phosphor stripes 8R, green phosphor stripes 8G and blue phosphor stripes 8B sequentially and repeatedly arranged in one direction. 8G,
A so-called carbon stripe 9, which is a light absorbing stripe, is arranged between 8B.

The color selection mechanism 5 is, for example, called an aperture grill (AG). As shown in FIG. 3, a pair of support members 11 and 12 opposed to each other and welding is performed so as to extend between the two members 11 and 12. A frame-shaped metal frame 15 made of elastic members 13 and 14 is provided, and a large number of narrow strip-shaped grid bodies 16 are provided between the pair of support members 11 and 12 of the frame 15 in the form of a large number of slits. In order to form the electron beam transmitting holes 17, the color selecting electrode thin plates 18 arranged in the horizontal direction of the screen at a predetermined pitch are stretched with a predetermined tension.

The longitudinal direction of the slit-shaped beam transmitting hole 17 corresponds to the longitudinal direction of the phosphor stripes 8R, 8G, 8B shown in FIG.

The color selection mechanism 5 is mounted via a panel pin 25 embedded in the inner surface of the panel 3 by a three-point support or a four-point support, in this example, a four-point support system. For this reason, the four sides of the frame 15 constituting the color selection mechanism 5, that is, the pair of support members 11 and 12 and the elasticity imparting member 1
As shown in FIGS. 3 and 4, supporting springs 22A and 22A having engaging holes 21 at their distal ends through spring holders 20A, 20B, 20C and 20D, respectively.
B, 22C and 22D are welded.

The support springs 22A, 22B, 22
C, 22D with corresponding panel pins 25A, 25B, 2
5C and 25D, the color selection mechanism 5 is mounted in the panel 3 with a predetermined grill height GH away from the phosphor screen 4 (see FIG. 5).

Next, the mounting device of the color selection mechanism according to this embodiment will be described. FIG. 6 is a schematic perspective view illustrating the mounting device of the present embodiment. That is, the mounting apparatus includes an AG lifter 142 for mounting a color selection mechanism and carrying the panel into the mounting apparatus, a transport unit 105 for transporting the panel into the mounting apparatus, a panel Y positioning unit 106 for positioning the panel, and a panel An X positioning unit 107;
A pin unit 301A, 301B, 301C, a D pin unit 302, and an AG stage 141 are provided for mounting the engagement holes of the color selection mechanism on the panel pins of the panel.

Here, the transport direction of the panel is Y,
X is the direction perpendicular to the panel transport direction, and Z is the height direction
And

FIG. 7 is a schematic perspective view for explaining the panel transport / positioning mechanism of the mounting apparatus according to the present embodiment. The panel transport / positioning mechanism 300 mainly includes the transport unit 105 mounted on the first substrate 100 on the box-shaped frame 104, the panel Y positioning unit 106, and the panel transport / positioning mechanism 300. Panel X positioning unit 107 is provided.

The transport unit 105 is provided for the first substrate 100
A pair of roller units 1031 symmetrically arranged above,
1032. Each roller unit 103
Reference numerals 1 and 1032 denote two supports 101 provided on the first substrate 100, a bracket 102 provided on the support 101 and bent to stand upright, and the bracket 10.
2 provided with a plurality of rollers 109. The roller 109 is connected to a drive motor and rotates.

The panel Y positioning unit 106
Four Y positioning units 110 on the substrate 100
1, 1102, 1103, and 1104 are arranged.

Each Y positioning unit 1101, 110
Reference numerals 2, 1103, and 1104 denote brackets 111 provided on the first substrate 100 and bent to stand up, a joint A112 provided on the bracket 111, a joint B114 provided on the bracket 111, and a joint B114. Arm 11 provided at a rotation fulcrum
5, a cylinder 113 provided with joints A112 and an arm 115 at both ends thereof at rotation fulcrums, and a roller 116 provided on the arm 115.

The roller 116 provided on the arm 115 is moved by the expansion and contraction of the rod 118 of the cylinder 113.
The posture can be changed by rotating the rotation fulcrum 117 about the fulcrum.

The panel X positioning unit 107 is provided on the bracket 102 of the roller unit 1031.
Two pushers 1201 and 1202 and two abutting portions 1191 and 1192 provided on the bracket 102 of the roller unit 1032 are arranged.

Each of the X pushers 1201 and 1202 has an abutting portion 1191 and 1192 abutting on the outside of the panel 3.
The panel 3 is configured to be pressed from the outside of the panel on the opposite side.

FIG. 8 is a schematic exploded perspective view showing the Z up-down mechanism of the mounting device according to the present embodiment. Z vertical mechanism 51
Is a first substrate 1 on a box-shaped frame 104.
AG stage 141 and AG stage 141
And an AG lifter 142 mounted thereon.

The AG stage 141 is provided on the first substrate 100
Four linear guides 1431, 1432, 1
433, 1434 and their respective linear guides 143
Rods 1441, 1442, 1443, 1444 that can move up and down in 1, 1432, 1433, 1434;
A second substrate 140 provided at the upper end of the two rods 1441, 1442, 1443, 1444, and a cylinder provided on the back surface of the first substrate 100 and having the tip of the rod 146 fixed to the second substrate 140 145.

The second substrate 140 moves up and down with respect to the first substrate 100 as the rod 146 of the cylinder 145 expands and contracts.

The AG lifter 142 is connected to the second substrate 140
Four linear guides 1471, 1472, 1
473, 1474 and their respective linear guides 147
1, 1472, 1473, 1474, rods 1481, 1482, 1483, 1484 which can move up and down inside;
A third substrate 150 provided on the upper end of the two rods 1481, 1482, 1483, 1484, a cylinder 151 provided on the second substrate 140 and having the end of the rod 149 fixed to the third substrate 150; Third substrate 15
Receiving portions 1521, 1522, and 15 provided at the four corners 0
23, 1524.

The third substrate 150 moves up and down with respect to the second substrate 140 as the rod 149 of the cylinder 151 expands and contracts.

FIG. 9 is a schematic perspective view for explaining the operation of the color selection mechanism by the mounting device of the present embodiment. That is,
AG was used as a manual thrower to bring the color sorter birch 5 into the mounting device.
With the third substrate 150 of the lifter 142 raised,
The color selection mechanism 5 is placed on the receiving part 152 of the substrate 150 (FIG. 9A). Thereafter, the substrate 150 is lowered, and the color selection mechanism 5 is carried into the mounting device (FIG. 9B).

FIG. 10 is a schematic perspective view illustrating the pin unit. Pin units 301A, 301B, 301
On the second substrate 140 (see FIG. 8), the pin unit 301A is located at a position corresponding to the panel pin 25A of the panel 3, the pin unit 301B is located at a position corresponding to the panel pin 25B, and the panel pin 25C (see FIG. 4). (See FIG. 3), and a pin unit 301C is arranged at a position corresponding to the position shown in FIG.

Here, the pin unit 301B will be described as an example. The pin unit 301B is a first unit composed of a plate 161 provided on the second substrate 140 and a guide rail 162 and a movable block 163 provided on the plate 161. , A bracket 168 attached to the movable block 163 of the first linear guide 164 and having both ends standing up, a guide rail 169 and a movable block 170 provided on a flat portion 166 of the bracket 168. A second linear guide portion 171, a bracket 172 having one end mounted on the movable block 170 of the second linear guide portion 171, and a guide pin 17 mounted on the raised surface of the bracket 172.
3, a third linear guide portion 176 comprising a guide rail 174 and a movable block 175 provided on a flat portion 166 of the bracket 168, and a third linear guide portion 17
6, a bracket 177 having one end standing upright attached to the movable block 175, a spring pusher 178 attached to the bracket 177, a bracket 179 provided on the plate 161, and a bracket 179 and a tip of the rod thereof having the bracket 168. A first cylinder 180 attached to the upright surface 167 and a bracket 1
The upright surface 165 and the rod end of the
A second cylinder 181 mounted on the second upright surface;
A third cylinder 182 having an upright surface 165 of the bracket 168 and a rod tip thereof attached to the upright surface of the bracket 177, a plate 303 attached to the upright surface of the bracket 168, and a pin receiver 184 attached to the plate 303; , A bracket 185 provided on the plate 161, a cylinder 186 having a guide mechanism attached to the bracket 185, and a spring receiver 187 attached to the cylinder 186.

The pin receiver 184 is connected to the first cylinder 180
Forward and backward in the direction of the panel pin 25B,
When 84 moves forward and backward, the spring pusher 178 and the guide pin 173 also move forward and backward in conjunction with each other.

Further, even if the pin receiver 184 is in the stopped state, the spring pusher 178 and the guide pin 17
3 can move forward and backward individually. Further, the pin receiver 184 is movable up and down on the upright surface 167 of the bracket 168. This pin unit 301A, 3
Detailed operations and operations of 01B and 301C will be described later.

The D pin unit 302 is connected to the second substrate 14
It is arranged on the position corresponding to the panel pin 25D of the panel 3 on the position 0. The D pin unit 302 includes the guide pin 173 and the guide pin 1 in the so-called pin unit 301B.
There is no component for driving the 73, and the structure of the pin receiver 184 is different.

The D-pin receiver 304 is attached to an upright portion of a bracket 309 having one upright end.
09 is fixed to one end of two shafts 305, and these two shafts 305
7, two springs 30 each inserted into the two holes.
6 is mounted.

The D-pin receiver 304 has a structure that can move up and down in the Z direction. As will be described later, when the panel pin 25D is mounted on the D-pin receiver 304, the panel 3 is moved upward by the force of the spring 306. To absorb the inclination of the panel 3. In addition, the distal end surface of the D-pin receiver 304, that is, the portion where the panel pin 25D contacts, is flat.

FIG. 11 is a schematic perspective view illustrating the AG clamp unit. AG clamp unit 2001,
2002 is arranged on the second substrate 140 (see FIG. 8) at a position sandwiching the two elastic members 14 of the frame of the color selection mechanism 5.

Here, taking the AG clamp unit 2002 as an example, the AG clamp unit 2002 includes a block 201 attached to the second substrate 140, a guide rail 202 provided on the block 201, and movable blocks 203 and 204. Linear guide portion 205 comprising
A bracket 206 having one end standing on the movable block 203 of the linear guide portion 205, a finger A207 mounted on the upper surface of the standing portion of the bracket 206, and the movable block 20 of the linear guide portion 205.
One end of the bracket 209 attached to 4
A plate 210 attached to the upper surface of the upright portion of the bracket 209, a finger B212 having an upright shape attached to the plate 210 so as to be rotatable by the rotation fulcrum 211, and a flat portion of the bracket 206. A lock cylinder 214 attached to the block 201 and arranged so as to sandwich the plate 213, and a cylinder 208 fixed to the bracket 206 and having a rod end fixed to the bracket 209.

Finger A 207 and finger B 212
“Opens and closes” when the rod of the cylinder 208 expands and contracts. Finger A207 and finger B21
2 are fixed on the movable blocks 203 and 204, respectively, so that the so-called elasticity imparting member 14 follows the position of the elasticity imparting member 14 in the frame 15 of the color selection mechanism 5 when the closing operation is performed. Can be held without changing the position.

Further, by sandwiching the plate 213 between the locking cylinders 214, the position of the elasticity imparting member 14, that is, the position of the color selection mechanism 5, can be fixed.

Next, the operation of the mounting apparatus according to this embodiment will be described with reference to FIGS. 7, 9, 12 to 19. Here, the operation of one pin unit and its surroundings will be described, but the operation of each pin unit is the same. For easy understanding, the support springs 22A to 22D will be described as the support springs 22, and the panel pins 25A to 25D will be described as the panel pins 25. 12 to 19, (a) is a partial plan view, and (b) is a partial cross-sectional view.

First, the AG lifter 142 in the raised state
The color selection mechanism 5 is placed on the receiving portion 152 of the third substrate 150 in a desired posture. Next, the substrate 150 is lowered, and the color selection mechanism 5 is carried into the mounting device (FIG. 9).
reference). At this time, each support spring 22 of the color selection mechanism 5 is placed on the corresponding spring receiver 187 (see FIG. 12).

Next, the pin units 301A, 301B,
301C guide pin 173 and spring pusher 1
78, the pin receiver 184, and the spring pusher 178 of the D-pin unit 302 move forward. At this time, each guide pin 173 is inserted into the engagement hole 21 of each support spring 22 of the corresponding color selection mechanism 5, and the support spring 22 is bent.

The position of the engagement hole 25 in the bent state of the support spring 22 is determined by the so-called panel pin 25 of the panel 3.
At the position where the engagement hole of the support spring 22 is mounted. That is, the position of the color selection mechanism 5 is set.

In addition, the above-mentioned guide pin 173 is
In a state where the support spring 22 is inserted into the support spring 1, the lower surface of the support spring 22 is in a state of floating from the spring receiver 187 (see FIG. 13).

Next, the fingers A 207 and B 208 of the AG clamp unit 200 are closed, and the elasticity providing member 14 of the frame 15 of the color selection mechanism 5 is gripped. Further, in this gripping state, the position is fixed by sandwiching the plate 213 with the locking cylinder 214 (see FIG. 14). That is, fixing is performed at a position where the color selection mechanism 5 is positioned without displacing the position.

Next, the pin units 301A, 301B,
The spring pusher 178 of the 301C and the spring pusher 178 of the D-pin unit 302 move forward, and further deflect the support spring 22 of the corresponding color selection mechanism 5. Although the state at this time will be described later, the support spring 22 and the panel pin 25 do not interfere with each other when the color selection mechanism 5 is inserted into the inner surface of the panel 3.

Further, the guide pin 173 is retracted, and moves to a position to avoid interference when inserting the color selection mechanism 5 into the inner surface of the panel 3 as described later.

Further, the pin receiver 184 and the D pin receiver 304 are raised. Although this position will be described later, when the panel pin 25 of the panel 3 is placed on the pin receiver 184, the positional relationship between the panel pin 25 and the engaging hole 21 of the support spring 22 of the color selection mechanism 5 indicates that the panel 3 has Is in the same relative positional relationship as the regular positional relationship with
5).

Next, the panel 3 is transported on the rollers 109 of the roller unit 103 of the transport unit 105 in a desired posture (see FIG. 7). Next, the panel Y positioning unit 106 and the panel X positioning unit 10
At 7, the panel 3 is positioned (see FIG. 16).

Next, the panel Y positioning unit 106 and panel X positioning unit 107 release the positioning. Thereafter, the second substrate 140 of the AG stage 141 is raised, and the pin units 301A, 301B, 301C, the D pin unit 302, and the AG clamp unit 20 attached to the second substrate are mounted.
0 rises.

At this time, each panel pin 2 of panel 3
5 is mounted on the pin receiver 184 of the corresponding pin unit 301, and the lower surface of the panel 3 floats from the roller 109 of the roller unit 103 (see FIG. 17). Thus, the position of each panel pin 25 placed on the upper end of each pin receiver 184 becomes equal to the position where the engaging hole 21 of the support spring 22 of the corresponding color selection mechanism 5 is mounted.

FIG. 17 (c) is an enlarged view of the panel pin portion shown in FIG. 17 (a). Thus, the upper end of the pin receiver 184 of the pin unit 301 and the D pin unit 3
02, the upper end of the D-pin receiver 304 is a gap between the position of the panel pin 25 where the engagement hole 21 of the corresponding support spring 22 of the color selection mechanism 5 is mounted and the glass part of the panel 3, that is, the engagement hole 21 Is located on the inner wall side of the panel 3 from the position where is mounted.

The spring receiver 187 is lowered. At this time, the positional relationship between the panel 3 and the color selection mechanism 5 is as follows.
The color selection mechanism 5 is mounted on the inner surface of the panel 3 in a relative positional relationship.

The panel 3 includes the pin units 301A and 30
The position is secured by the three pin receivers 184 of 1B and 301C, and the height of the so-called fourth panel pin 25D cannot be restricted in the height direction. As a method of regulating the plane position, it is general to regulate the position at three points, and at the fourth point, the position cannot be regulated in order to avoid variation in the height of the panel pins.

In this embodiment, the panel 3 is the panel pin 2
In order to prevent the panel 3 from tilting toward the 5D side, a load is applied to the D pin receiver 304 in the upper direction by a spring 306 to absorb a shift (tilt) in the height direction of the panel 3 and maintain a stable attitude without tilt. Things. The upper end surface of the D pin receiver 304 with which the panel pin 25D abuts is flat, so that only the displacement in the height direction is absorbed.

Next, the pin units 301A, 301B,
The spring pusher 178 of the 301C and the spring pusher 178 of the D-pin unit 302 retreat,
Engagement hole 21 of support spring 22 of each color selection mechanism 5
Are fitted to the panel pins 25 of the panel 3. The retracted position of the spring pusher 178 at this time is located in a gap between the support spring 22 and the panel 3 (see FIG. 18).

In this state, the color selection mechanism 5 is mounted at a regular position on the inner surface of the panel 3.

Next, the fingers A 207 and B 212 of the AG clamp unit 200 are opened, the second substrate 140 of the AG stage 141 is lowered, and the pin unit 301, the D pin unit 302 and the AG
The clamp unit 200 descends. Further, the spring pusher 178 of the pin unit 301 and the pin receiver 18
4 and the spring pusher 178 of the D pin unit 302 and the D pin receiver 304 are retracted. At this time, the lower surface of the panel 3 is placed on the roller 109 of the roller unit 103 (see FIG. 19).

Next, the panel 3 on which the color selection mechanism 5 is mounted at the correct position is the roller 109 of the roller unit 103.
It moves up and is carried out.

According to the mounting apparatus of the present embodiment described above, the panel 3 and the color selection mechanism 5 are relatively positioned, and
The color selection mechanism 5 can be surely and stably mounted at a regular position on the inner surface of the device, and as a result, a high-quality color cathode ray tube can be provided.

In each mechanism, for example, according to the pin unit 301 and the D pin unit 302 of the present embodiment, the position where the panel pin 25 of each panel 3 of the pin receiver 184 and the D pin receiver 304 is placed is determined by the panel pin 25 When the support spring 22 is fitted to the panel pin 25, the pin receiver 184 and the D-pin receiver 304 are moved because the gap between the support spring 22 and the inner surface of the glass of the panel 3 is fitted to the support spring 22. You don't have to. This eliminates the need for a mechanism for holding the panel 3 in the Z direction, simplifies the operation of the mounting device, and improves the maintainability because the mechanism is simplified.

Further, the D-pin unit 30 of the present embodiment
According to 2, when the panel pins 25 of the panel 3 are held by the pin receivers 184 of the pin unit 301, the force applied to the panel pins 25D in the direction in which the panel is inclined is applied to the upper surface by the force of the springs 306 of the D pin receiver 304. Therefore, when the panel 3 is positioned, its posture is stably held, and the panel pin 25 and the engagement hole 21 of the support spring 22 can be securely fitted.

In the above embodiment, a spring is used as the Z-direction pressurizing means for the D-pin receiver 304 of the D-pin unit 302, but any other pressurizing means such as a pressurizing means using air pressure by an air cylinder may be used. It is possible.

Further, the mounting apparatus of the present embodiment is positioned at a relative position between the panel 3 and the color selection mechanism 5, and reliably and stably mounts the color selection mechanism 5 at a regular position on the inner surface of the panel 3. It can be applied to panels equipped with all kinds of color selection mechanisms. As the color selection mechanism, a shard mask, a slot mask, or the like can be used in addition to the aperture grill.

[0116]

As described above, according to the apparatus for mounting a color selection mechanism according to the present invention, the panel and the color selection mechanism are positioned relatively to each other, and the color selection mechanism is securely positioned at a proper position on the inner surface of the panel. Can be stably mounted. Accordingly, it is possible to produce a color cathode ray tube that is stable in quality.

The mechanism of the mounting device is simple,
It has excellent maintainability and can maintain a high operation rate in the production line.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a color cathode ray tube.

FIG. 2 is an enlarged view of a main part of a color phosphor screen of the color cathode ray tube.

FIG. 3 is a schematic perspective view illustrating an example of a panel of a color cathode ray tube and a color selection mechanism mounted on the panel.

FIG. 4 is a schematic perspective view illustrating a state where a panel and a color selection mechanism are assembled.

FIG. 5 is a schematic sectional view illustrating a state where the panel and the color selection mechanism are assembled.

FIG. 6 is a schematic perspective view illustrating the configuration of the mounting device according to the embodiment.

FIG. 7 is a schematic perspective view illustrating a panel transport / positioning mechanism according to the mounting device of the present embodiment.

FIG. 8 is a schematic exploded perspective view illustrating a Z up-down mechanism according to the mounting device of the present embodiment.

FIG. 9 is a schematic perspective view illustrating the operation of the AG lifter according to the mounting device of the embodiment.

FIG. 10 is a schematic perspective view illustrating a pin unit according to the mounting device of the embodiment.

FIG. 11 is a schematic perspective view illustrating an AG clamp unit according to the mounting device of the present embodiment.

FIG. 12 is a diagram (part 1) illustrating an operation state of the mounting apparatus according to the embodiment.

FIG. 13 is a diagram (part 2) illustrating an operation state of the mounting device according to the embodiment.

FIG. 14 is a view (No. 3) illustrating an operation state of the mounting apparatus according to the embodiment.

FIG. 15 is a view (No. 4) illustrating an operation state of the mounting apparatus of the embodiment.

FIG. 16 is a view (No. 5) illustrating an operation state of the mounting apparatus of the embodiment.

FIG. 17 is a view (No. 6) for explaining an operation state of the mounting apparatus of the embodiment.

FIG. 18 is a view (No. 7) explaining an operating state of the mounting apparatus of the embodiment.

FIG. 19 is a view (No. 8) explaining an operation state of the mounting apparatus of the embodiment.

FIG. 20 is a schematic perspective view illustrating the configuration of a conventional mounting device.

FIG. 21 is a schematic perspective view illustrating a panel transport / positioning mechanism according to a conventional mounting device.

FIG. 22 is a schematic perspective view illustrating a Z up-down mechanism according to a conventional mounting device.

FIG. 23 is a schematic exploded perspective view illustrating an AG lifter according to a conventional mounting device.

FIG. 24 is a schematic perspective view illustrating a pin unit according to a conventional mounting device.

FIG. 25 is a schematic perspective view illustrating an AG clamp unit according to a conventional mounting device.

FIG. 26 is a diagram (part 1) illustrating an operation state of the conventional mounting device.

FIG. 27 is a diagram (part 2) for explaining the operation state of the conventional mounting device.

FIG. 28 is a diagram (part 3) for explaining the operation state of the conventional mounting device.

FIG. 29 is a view (No. 4) illustrating an operation state of the conventional mounting device.

FIG. 30 is a view (No. 5) illustrating an operation state of the conventional mounting device.

FIG. 31 is a view (No. 6) illustrating an operation state of the conventional mounting device.

FIG. 32 is a view (No. 7) explaining an operation state of the conventional mounting device.

FIG. 33 is a view (No. 8) explaining an operation state of the conventional mounting device.

FIG. 34 is a view (No. 9) explaining an operation state of the conventional mounting device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Color cathode ray tube, 2 ... Tube, 3 ... Panel, 5 ... Color selection mechanism, 11, 12 ... Support member, 13, 14 ... Elasticity imparting member, 15 ... Frame, 20A, 20B, 20C, 20
D: spring holder, 21: engagement hole, 22A, 22
B, 22C, 22D ... support spring, 25A, 25
B, 25C, 25D: panel pins, 50: panel transport /
Positioning mechanism, 51: Z vertical mechanism, 105: Transport unit, 106: Panel Y positioning unit, 107: Panel X positioning unit, 108: Panel Z holding unit, 141: AG stage, 142: AG lifter, 1
60A, 160B, 160C ... pin unit, 173 ...
Guide pin, 178 ... Spring pusher, 184 ...
Pin receiver, 187 Spring receiver, 190 D pin unit, 207 Finger A, 212 Finger B, 300 Panel transfer / positioning unit, 301
A, 301B, 301C: Pin unit, 302: D pin unit, 304: D pin receiver, 306: Spring, 1031, 1032: Roller unit, 1101,
1102, 1103, 1104 ... Y positioning unit,
1211, 1212, 1213, 1214 ... Z holding unit, 2001, 2002 ... AG clamp unit

Claims (4)

[Claims] 1. A panel pin provided on an inner wall of the CRT panel is fitted into a hole provided in a support spring of the color selection mechanism in a state where the relative positional relationship between the color selection mechanism and the CRT panel is matched. In the mounting device of the color selection mechanism to be performed, in matching the relative positional relationship between the color selection mechanism and the cathode ray tube panel, a pin receiver that supports a panel pin of the cathode ray tube panel is positioned from a position where the support spring is fitted. A mounting device for a color selection mechanism, which is in contact with an inner wall side of a cathode ray tube panel. 2. In a state where the relative positional relationship between the color selection mechanism and the cathode ray tube panel is matched, four panel pins provided on the inner wall of the cathode ray tube panel are provided on four support springs of the color selection mechanism. In a mounting device of a color selection mechanism to be fitted in each of the holes, in order to match a relative positional relationship between the color selection mechanism and the cathode ray tube panel, four pin receivers respectively supporting four panel pins of the cathode ray tube panel from below. And a height direction displacement absorbing mechanism provided on one of the four pin receivers. 3. The mounting device for a color selection mechanism according to claim 2, wherein the displacement absorbing mechanism is formed of a spring. 4. A mounting device for a color selection mechanism according to claim 2, wherein a contact portion of the panel pin in one pin receiver provided with the displacement absorbing mechanism is formed by a flat surface.