JPH0377244A - Apparatus for mounting and removing mask - Google Patents

Abstract

PURPOSE:To constantly engage a fitting hole provided on a spring with and disengage from a panel pin surely by providing a claw position control device for controlling insertion position and movement stroke along spring elasticity direction of the claw against the spring. CONSTITUTION:When fitting position of a spring 12A and a panel pin 11A is changed along elasticity direction of the spring 12A by change in type of a panel 11 and a mask frame 12, insertion position and movement stroke of respective claws 31, 32, 36 can be optimally controlled easily by pulse motors 25, 33. Or when the fitting position of the spring 12A and the panel 11A is changed in a direction perpendicular to the elasticity direction of the spring 12A, insertion position of the claws 31, 32 can be optimally controlled easily to an optimum position close to the fitting position by cylinders 28A, 29A. Thus a fitting hole 12B provided on the spring 12A can be surely engaged with and disengaged from the panel 11A.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a mask attachment/detaching device.

[Conventional technology] For example, in the color cathode ray tube manufacturing line,
As described in Japanese Patent No. 307111, there is a process of attaching and detaching a mask frame to a cathode ray tube panel.

At this time, the mounting state of the mask frame 2 on the panel 1 is as shown in FIG.
The mask frame 2 can be attached to and detached from the panel 1 by engaging and detaching the fitting hole 2B of the spring 2A provided in the mask frame 2 from the mask frame A.

However, the conventional mask attaching/detaching device, as shown in FIG.
A slider 3 corresponding to the arrangement position of the spring 2A of the mask frame 2 is supported on a pedestal 4, this slider 3 is provided with a claw 5 that can push the spring 2A, and this slider 3 can be moved by a cam 6. There is.

Thereby, the claw 5 is inserted into the gap between the side wall of the panel 1 and the spring 2A of the mask frame 2 arranged inside the panel 1. Further, the pawl 5 deflects the spring 2A by moving from the insertion position, and engages and disengages the fitting hole 2B provided in the spring 2A from the panel pin 1A provided in the panel 1.

[Problems to be Solved by the Invention] However, in the conventional mask attachment/detachment device described above, the insertion position and movement stroke of the claw 5 are uniquely determined by the cam curve of the cam 6. Therefore, as long as a single cam 6 is used, it is not possible to arbitrarily adjust the insertion position and movement stroke of the claw 5. Therefore, changing the type of panel and mask frame will change the fitting position of the spring and panel pin. In this case, it is necessary to replace the cam 6, which results in poor product compatibility.

The present invention can easily cope with the case where the fitting position of a spring and a panel pin changes due to a change in the type of panel and mask frame, and can reliably engage and disengage the fitting hole provided in the spring with the panel pin. With the goal.

[Means for Solving the Problems] The present invention as set forth in claim 1 has a claw inserted into a gap between a side wall of a panel and a spring of a mask frame disposed in the panel, and In a mask attachment/detachment device that bends a spring by moving from an insertion position and engages and disconnects a fitting hole provided in the spring from a panel pin provided in a panel, the claw is inserted into the spring in the direction in which the spring springs. It has a pawl position control device that can control the position and movement stroke.

The present invention as set forth in claim 2 further includes a pawl position sub-control device that can control the insertion position of the pawl relative to the spring in a direction orthogonal to the direction in which the spring springs.

[Function] According to the present invention as set forth in claim 1, when the fitting position of the spring and the panel pin changes in the direction of elasticity of the spring due to a change in the type of panel and mask frame, the claw position control device The insertion position and movement stroke can be easily controlled to appropriate positions. Thereby, the fitting hole provided in the spring can be reliably engaged with and detached from the panel pin.

According to the present invention as set forth in claim 2, when the fitting position of the spring and the panel pin changes in a direction perpendicular to the springing direction of the spring due to a change in the type of panel and mask frame, the claw position sub-control device Accordingly, the insertion position of the claw can be easily controlled to an appropriate position close to the above-mentioned fitting position. Thereby, the claw can deflect the spring as close as possible to the panel pin, and the amount of deflection of the spring required for engaging and disengaging the panel pin can be reduced, thereby suppressing the spring from becoming sagging. Then, the fitting hole provided in the spring can be reliably engaged with and detached from the panel pin.

[Example] FIG. 1 is a plan view showing an example of the mask attaching/detaching device of the present invention;
FIG. 2 is a side view of FIG. 1, and FIG. 3 is a schematic diagram showing the mask attachment/detachment process in the present invention.

The mask attaching/detaching device 10 includes a panel 11 as shown in FIG.
This is used when attaching and detaching the mask frame 12 to and from the frame.

When the mask attaching/detaching device 10 is operated, the panel 11 is held by the panel holding device E13 as shown in FIG.
The mask frame 12 is held by a mask holding device 14 located within the panel 11 . Panel holding device 13
The left and right drive units 15A, 15B, each drive unit i5A,
Holding roller devices 16A, 16 moved by 15B
The outer surfaces of both opposing sides of the panel 11 are held by both holding roller devices 16A and '16B. The mask holding device F14 includes left and right drive units 17A and 17B,
Consisting of holding roller devices 18A and 18B moved by respective drive units 17A and 17B, both holding roller devices 1
8A and 18B hold the inner surfaces of both opposing sides of the mask frame 12.

However, a mask attachment/detachment device! As shown in FIGS. 1 and 2, 10 is a lifting platform that can approach and separate from below the panel 11 and the mask frame 12, which are held by the above-mentioned holding devices 13 and 14 and set at the attachment/detachment work position. has 21,
The first and second slide tables 22 and 23, and the third slide table 24 can each be slid to two positions in the X direction and one position in the Y direction around the center of the lifting table 21. It is arranged.

A pulse motor 25 is installed in the vicinity of the first slide table 22 on the elevator table 21, and the pulse motor 25
A right ball screw 26 and a left ball screw 27 connected to the output shaft extend in the X direction, the first slide base 22 is screwed into the right ball screw 26, and the second The slide base 23 is to be screwed together. As a result, when the pulse motor 25 rotates, the first and second slide tables 22, 23 move toward each other in the X direction by a distance corresponding to the amount of rotation thereof.

First and second cylinders 28A and 29A are fixed to the upper part of each of the first and second slide tables 22.23, and are driven by these cylinders 28A and 29A to move in the Y direction. A first and a second slideable pawl block 28,29 are arranged. Each claw block 28.
29 is provided with first and second winter melons 31 and 32.

Further, a pulse motor 33 is installed near the third slide table 24 on the lifting table 21, and a ball screw 34 connected to the output shaft of the pulse motor 33 extends in the Y direction. 34 is the third slide stand 24
are to be screwed together. Thereby, when the pulse motor 33 rotates, the third slide table 24 moves in the Y direction by a distance corresponding to the amount of rotation.

A third claw block 35 is attached to the third slide base 24.
is fixed, and the third pawl block 35 is provided with a third pawl 36.

That is, in the mask attaching/detaching device 10, as shown in FIG. ~ winter melon 31.32.3 with third claw 31.32.36 and by pulse motor 25.33
6 from the insertion position, the spring 12A is bent, and the fitting hole 12B provided in the spring 12A is inserted into the panel pin 11.6 provided in the panel 11. Can be connected to and disconnected from A.

Furthermore, the mask attaching/detaching device 10 includes a control section 41 that can control the amount of rotation of each pulse motor 25.33, thereby controlling the amount of rotation of the winter melon 31.32 for each spring 12A.
．． The insertion position and movement stroke of the spring (12A) in the spring direction of 36 are as follows for panel 1 to be attached and detached this time.
1. Control can be performed according to the type of mask frame 12.

In addition, in the mask attaching/detaching device 10, each cylinder 28A, 29A can be switched and set to a forward end and a backward end by the control unit 41, thereby causing the springs of the winter melon 31, 32 to (1
2A), the insertion position in the direction perpendicular to the firing direction can be controlled depending on the type of panel 11 and mask frame 12 to be attached and detached this time.

Next, the operation of the mask attaching/detaching device 10 will be explained.

The above mask attachment/detachment device! 10 is useful both for joining the mask frame 12 to the panel 11 and for separating the mask frame 12 from the panel 11, and the separation operation will be described below as representative of these re-operations.

(Panel 11 and mask frame 12 in combined state)
is placed in the attachment/detachment working position.

(2) The panel 11 is positioned and held by the panel holding device 13, and the mask frame 12 is positioned and held by the mask holding device 14.

(3) The following (
In step 4), the insertion positions of the first and second winter melons 31 and 32 in the direction perpendicular to the springing direction of the spring (12A) are changed if necessary.

(4) The lifting platform 21 rises, and the winter melon 31.32.36
It is inserted into each of the gaps between the three side walls of the panel 11 and the three springs 1.2A of the mask frame 12 disposed within the panel 11.

(5) The first and second claws 3 are rotated by the pulse motor 25.
1.32 moves and the corresponding spring 12A
The fitting hole 12B of the spring 12A is removed from the panel pin 11A of the panel 11. At the same time, the rotation of the pulse motor 33 moves the third pawl 36 to deflect the corresponding spring 12A. 12A through the panel pin 11. of the panel 11. Remove from A.

(6) As described in (5) above, the panel 11 is raised with the fitting hole 12B of each spring 12A removed from the panel pin IIA, and then the pulse motor 25.
By reversing 33 to its original position, winter melon 31.32.
The deflection of spring 12A due to 36 is released. Then, the elevator platform 21 descends. Thereby, the separation operation of the panel 11 and the mask frame 12 by the mask attaching/detaching device 10 is completed.

Next, the operation of the above embodiment will be explained.

According to the above embodiment, the panel 11 and the mask frame 12
When the fitting position of the spring 12A and the panel pin IIA changes in the springing direction of the spring 12A due to a change in the type of the winter melon 31, the pulse motor 25.33
．． The insertion position and movement stroke of 32 and 36 can be easily controlled to appropriate positions. Thereby, the fitting hole 12B provided in the spring 12A can be reliably engaged with and disengaged from the panel pin IIA.

Further, according to the above example, when the fitting position of the spring 12A and the panel pin 11A changes in a direction perpendicular to the springing direction of the spring 1.2A due to a change in the type of the panel 11 and the mask frame 12, Cylinder 28A, 2
9A, the insertion position of the claws 31, 32 can be easily controlled to an appropriate position close to the above-mentioned fitting position. As a result, the claw 31
．． 32 can bend the spring 12A as close as possible to the panel pin 11A, and the panel pin 11A
By reducing the amount of deflection of the spring 12A required for engaging and disengaging , k, it is possible to prevent the spring 12A from weakening. Then, the fitting hole 12B provided in the spring 12A can be reliably engaged with and disengaged from the panel pin IIA.

In carrying out the present invention, the device for controlling the position of the pawls 31, 32, and 36 in the springing direction of the spring 12A is not limited to a pulse motor, but may use a cylinder or the like that can control the stop position in a stepless or multistep manner. It's okay to have one.

Also, in the practice of the present invention, pawl 36 also has other pawls 31.3.
Similarly to 2, the position may be controlled in the direction perpendicular to the springing direction of the spring 12A, and the position control device may be a pulse motor, or a stepless or multistep control device, rather than a cylinder with both ends stopped. A cylinder or the like whose stop position can be controlled may be used.

[Effects of the Invention] As described above, according to the present invention, it is possible to easily cope with the case where the fitting position of the spring and panel pin changes due to a change in the type of panel and mask frame, and the fitting hole provided in the spring can be easily accommodated. can be reliably engaged and detached from the panel pin.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an example of the mask attaching/detaching device of the present invention;
Fig. 2 is a side view of Fig. 1, Fig. 3 is a schematic diagram showing the process of attaching and detaching the mask according to the present invention, Fig. 4 is a schematic diagram showing the state of attachment of the mask frame to the panel, and Fig. 5 is a schematic diagram showing the process of attaching and detaching the mask according to the present invention. It is a schematic diagram showing an apparatus. DESCRIPTION OF SYMBOLS 10... Mask attaching/detaching device, 11... Panel, 12... Mask frame, 11A... Panel pin 1. 12A... Spring, 12B... Fitting hole, 25.33... Pulse motor (claw position control device), 28A, 29A... Cylinder (claw position sub-control device), 31.32.36. ··nail.

Claims (2)

[Claims] (1) It has a claw that is inserted into the gap between the side wall of the panel and the spring of the mask frame arranged within the panel,
In a mask attaching/detaching device in which a spring is deflected by movement of a claw from the above-mentioned insertion position, and a fitting hole provided in the spring is engaged with and detached from a panel pin provided in a panel, the claw is moved relative to the spring in the direction in which the spring rebounds. A mask attaching/detaching device characterized by having a claw position control device that can control an insertion position and a movement stroke. (2) The mask attaching/detaching device according to claim 1, further comprising a pawl position sub-control device capable of controlling the insertion position of the pawl relative to the spring in a direction perpendicular to the direction in which the spring springs.