KR100216947B1 - Automatic adjuster for deflection yoke of braun tube - Google Patents

Abstract

The present invention relates to an automatic adjustment device for deflection yoke of a braun tube, the technical configuration of which is that the deflection yoke (26) on which the deflection yoke (26) is mounted on the conveying chain (21) is lowered to the mounting jig (23). The jig pallet portion 25 on which the pallet 22 which is mounted, and which the pallet 22 communicates with the mounting jig 23 is located, and the rod 30 of the shanghai song cylinder 29 above the CRT tube 24 are provided with a base plate ( 31, the stator 35 of the Y-axis linear motor 34 and the stator of the rotor 36 and the X-axis linear motor 37 are interposed between the upper end of the 31 and the adjustment springs 33 and 33 '. (38) and the support plate (32) in which the rotor (39) is sequentially addressed, the adjusting unit (40) to which the base plate (31) is fixedly coupled, and the support block (41) at the bottom of the Y-axis stator (35). The support plate 32 penetrates through one end of the connecting rod 43 as a hinge 42, and the other end thereof has a fixed hang ( The measuring unit 45 is installed, and the measuring unit 46 is installed below the CRT 24, and the measuring unit 48 is connected to the screen measuring controller 48 at one side of the measuring camera 46. It consists of a configuration including (49).

As a result, the mounting position of the deflection yoke with Brown is automatically adjusted so that workability is improved, and the mounting position of the deflection yoke is not required by manual operation, thereby reducing the production cost and reducing the production cost of the deflection yoke. It is possible to prevent the CRT recall due to the poor mounting position generated during mounting, thereby improving productivity.

Description

CRT deflection yoke automatic adjustment device

1 is an exploded perspective view showing an accessory part of a typical CRT.

2 is a front structural view showing a state in which a conventional CRT deflection yoke is mounted on a CRT neck.

Figure 3 is a side structural view showing a deflection yoke automatic adjustment device of the CRT according to the present invention.

4 is a plan view of the third 'A'.

* Explanation of symbols for main parts of the drawings

21: conveying chain conveyor 22: pallet

23: mounting jig 24: CRT

25: jig pallet portion 26: deflection yoke

29: Shanghai Song cylinder 32: support plate

33,33 ′: Adjustment spring 34: Y-axis linear motor

37: X axis linear motor 40: adjustment unit

43: connecting rod 44: fixed hand

45: fixed part 46: measuring camera

48: measuring instrument (ITC controller) 49: measuring unit

The present invention relates to an automatic adjustment device for automatically adjusting a mounting position of a deflection yoke mounted on a neck of a CRT in which a deflection yooff for deflecting the electron beam emitted from an electron gun installed in the neck of the CRT horizontally and vertically. In detail, the fixed hand is spoken with the X- and Y-axis linear motors which are fixed as the adjustment springs to the support flange to support the deflection yokes, which are conveyed as a conveying chain conveyor and mounted on the neck of the CRT mounted on the jig pallet. A measuring camera is installed below the jig pallet to measure the dynamic convergence state of the CRT. The X and Y axis linear motors are operated according to the X and Y deviations measured by the measuring camera. As the fixed hand is extended, the mounting position of the deflection yoke is adjusted to the X and Y axes, whereby the mounting position of the deflection yoke is It is automatically adjusted so that workability is improved and production cost is reduced by eliminating the need to adjust the mounting position of the deflection yoke by manual operation. The present invention relates to a CRT automatic adjustment device for deflection yoke of the CRT, which is prevented in advance so that the productivity can be further improved.

In general, as shown in FIG. 1, three electron guns 3 are installed in the neck 2 of the CRT 1, and the panel 4 has an inner side of the fluorescent screen 5 as shown in FIG. The shadow mask 6 made of a thin iron plate is installed, and the rear side of the cone 7 and the neck 2 deflects the yoke 10 and the convergence assembly frame 8 and the rheity magnet 9. It consists of a structure that is mounted sequentially.

At this time, the deflection yoke 10, in the deflection of the electron beam radiated from the electron gun (3), in the electron deflection uses a magnetic field made by flowing a current to the coil, the deflection coil is a vertical and horizontal deflection coil Is done.

The deflection yoke mounting structure of the conventional CRT related to the above technique is provided with a mounting jig 12 coupled to an upper side of the pallet 11, as shown in FIG. 2, and a collar on the mounting jig 12. The CRT 1 of the TV is mounted vertically, and the deflection yoke 10 is mounted on the neck 2 of the CRT 1.

At this time, the mounting operation of the deflection yoke 10 is performed manually by an operator, while the mounting position of the X and Y axes is adjusted by the operator after the deflection yoke 10 is mounted on the neck 2. will be.

However, the conventional adjustment of the deflection yoke mounting position of the CRT as described above is performed by the operator by hand, and the workability is extremely deteriorated, as well as by the manual operation. While the uniformity of the mounting position is difficult, productivity is lowered, and there are various problems such as delay in the entire manufacturing process.

The present invention has been made in order to improve the various problems as described above, the object is to adjust the mounting position of the deflection yoke in the X, Y axis linear motor and a fixed hand connected thereto, by the X, Y axis, The installation of the deflection yoke of the CRT is automatically adjusted to improve workability, eliminating the need to adjust the placement position of the deflection yoke by hand, and reducing production costs. It is to provide an automatic adjustment device for deflection yoke of a CRT tube, by setting the mounting position accurately based on the coordinates that are corrected, thereby preventing image defects due to a poor mounting position caused when the deflection yoke is mounted.

As a technical means for achieving the above object, the present invention, the jig pallet portion is mounted downward to the mounting jig, the CRT mounted with a deflection yoke to the upper side of the conveying chain conveyor, the pallet is addressed to the mounting jig The rod of the Shanghai Song Cylinder is coupled to the upper portion of the base plate, and the stator and rotor of the Y-axis linear motor and the stator and rotor of the X-axis linear motor are sequentially speaking. The support plate and the base plate is coupled to the fixed portion and the bottom of the Y-axis stator, the support block penetrates through the support plate to the one end of the connecting passages as a hinge, the other end is a fixed portion to which the fixed hand is installed And a measuring camera is installed below the CRT, and one of the measuring cameras The deflection of the cathode-ray tube made of a configuration including a measurement screen measurement regulator connected to the installation required by the automatic adjustment device on maryeonham oak.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 is a side structural view showing a deflection yoke automatic adjustment device of a CRT according to the present invention, and FIG. 4 is a planar structural view of FIG. 3 and A ′, and the present invention is a jig pallet portion 25 and an adjusting unit 40. And a fixing part 45 and a measuring part 49.

The jig pallet portion 25, the conveyor chain 21 is conveyed to the upper side of the support 20, the CRT conveyance pallet 22 is located thereon, the upper side of the pallet 22 is deflected to the neck The yoke 26, the convergence assembly 27, and the Braun tube 24 sequentially mounted with the purity magnet 28 are downwardly mounted, and are integrally transferred to the pallet 22 on one side of the Braun tube 24. The mounting jig 23 is fixedly coupled.

Moreover, the adjustment part 40 which adjusts the X- and Y-axis deviation of the said deflection yoke 26 mounting position is conveyed by the said jig | carlet part 25, and installed in the upper side of the stopped CRT tube 24. The rod 30 of the songsilliner 29 is fixed to the upper surface of the base plate 31, and the support plate 32 is coupled to the bottom of the base plate 31, and the spring for adjusting the position at both ends thereof. The stator 35 and the rotor 36 of the Y-axis linear motor 34 are extended through (33) (33 '), and the stator of the X-Tuk linear motor 37 is positioned above the Y-axis rotor 36. 38 and the rotor 39 are addressed.

In addition, the support block 41 is coupled to the bottom of the stator 35 of the X-axis linear motor 37 in the fixing part 45 for fixing the deflection yoke 26 mounted on the neck of the CRT 25. Thus, it is spoken with the connecting rod 43 as the hinge 42, and the fixed hand 44 is coupled to the bottom of the connecting rod 43.

In the measuring unit 49 which is connected to the adjusting unit 40 to measure the X and Y axis deviations of the deflection yoke 26 mounting position, the measuring camera 46 is installed below the CRT 24 and one side thereof. As such, the screen measuring controller 48 is made to be in communication with the measuring camera 46, and a monitor 47 is installed above the measuring camera 46.

Referring to the operation and effects of the present invention having the above configuration is as follows.

As shown in FIGS. 3 and 4, a tube having a sequential mounting of a deflection yoke 26, a convergence assembly 27, and a purity magnetic 28 on the neck NECK behind the tube 24 is shown. The 24 is mounted downward on the upper end of the mounting jig 23 so that the neck is upward, and the pallet 22 which is extended with the mounting jig 23 is installed on the upper side of the support 20 so that the conveyor chain ( When the 21 is moved, it is conveyed to the measurement position by the pallet 22 and the mounting jig 23 placed on the upper side of the conveying conveyor 21.

In addition, the fixed hand 44 coupled to the connecting rod 43 which is integrally connected to the lowering of the deflection yoke 26 of the transported CRT 24 is connected to it during the lowering operation of the Shanghai Song Cylinder 29. Combined.

On the other hand, when the mounting jig 23 on which the CRT 24 is mounted is positioned above the measuring camera 46 by the movement of the transfer conveyor 21, the CRT 24 is mounted on the neck of the CRT 24. Image recognition of the dynamic convergence of the convergence assembly 27 is transmitted to the screen measuring controller (ITC controller) 48, where the X and Y coordinate values to be adjusted by the screen side controller 48 It is recognized, and by operating the X, Y axis linear motors 34, 37 installed on the support plate 32 by the X, Y coordinate values to correct the position of the fixed hand 44.

Subsequently, instructing the X, Y axis linear motors 37 and 34 of the movement amount of the adjustment coordinate values recognized by the screen measuring controller 48, the rotor 36 and the X axis linear of the Y axis linear motor 34 are The rotor 39 of the motor 37 is moved according to the coordinate values, respectively, around the stators 38 and 35, and at this time, the springs 33, 33 'fastened to both ends of the support plate 32 are X The rotor 36, 39 and the stator 35, 38 are maintained in the balance while being compressed to the Y-axis, and used for a general linear motor, and the stator is fixed at a predetermined position when the linear motor is driven. The rotor is rotated and moved around, and the rotor coordinates change in the X and Y axes.

Then, the connecting rod 43 and the fixed hand 44 connected to the Y-axis rotor 36 and the fixed hand 44 connected thereto adjust the mounting position of the deflection yoke 26 in the X and Y axes according to the coordinate values. In accordance with the coordinate value, the measurement of the dynamic convergence of the deflection yoke 26 to be mounted and mounted by the measurement camera 46 and the screen measuring controller 48 is measured again. If there is no abnormality in the adjustment state, the conveying conveyor 21 is rotated to feed into the next process.

Accordingly, the brown tube 24 in which the mounting position of the deflection yoke 26 is adjusted is discharged by the conveyance of the pallet 22, and the other brown tube 24 is mounted on the mounting jig 23 and transferred to the measurement position. When the Shanghai Song Cylinder 29 is lowered, the fixed hand 44 fixes the deflection yoke 26 so that the mounting position is adjusted again so that the deflection yoke 26 mounting position of the CRT is mounted on the neck of the CRT 24. Is automatically and accurately adjusted, and the productivity is improved by the improvement of the image state of the CRT tube 24.

Thus, according to the present invention, the automatic adjustment of the deflection yoke of the Braun tube, the mounting position of the deflection yoke of the braun tube is automatically adjusted to improve the workability, as well as eliminating the need to adjust the mounting position of the deflection yoke by hand. The production cost is reduced, and the picture tube and coordinates recognized by the measuring device accurately set the CRT tube mounting position of the deflection yoke, thereby preventing the CRT failure due to the poor mounting position caused by the installation of the deflection yoke. There is an excellent effect that the productivity is further improved.

Claims (1)

A fixing hand 44 is installed to support the deflection yoke 26 inserted into the neck of the CRT 24, and a connecting rod 43 is connected to an upper side of the fixing hand 44 so that an upper end thereof is an adjustment spring ( 33) (33 '), the stator 35 and the rotor 36 of the Y-axis linear motor (3 $) and the stator 38 and the rotor 39 of the X-axis linear motor 37 are sequentially addressed. In the deflection yoke mounting apparatus is connected to the support plate 32, the base plate 31 to which the rod 30 of the Shanghai Song cylinder 29 is connected to the upper side of the support plate 32, the deflection The jig pallet portion 25 and the brown tube (20), in which the mounting jig 23 is connected to the pallet 22 located above the conveyor chain 21, so that the brown tube 24 on which the yoke 26 is mounted is mounted. It consists of a configuration including a measuring unit 49 is installed measuring camera 46 to which the screen measuring device 48 is connected to the lower axis of 24) Deflection yoke automatic adjustment device of the CRT characterized by losing.