KR970006926Y1 - A conveying apparatus for braun measurement tool of cathode-ray tube - Google Patents

Abstract

none.

Description

Transfer device for measuring screen characteristics of cathode ray tube

1 is a perspective view showing a transfer device of a screen characteristic measuring means of a cathode ray tube of a conventional example.

2 is a perspective view showing a transfer device of the screen characteristic measuring means of the cathode ray tube of the present invention.

3 is a cross-sectional view showing the holder means applied to the transfer device of the screen characteristic measuring means of the present invention.

* Description of the symbols for the main parts of the drawings *

10: control means 20: first guide member

30: second guide member 40: third guide member

50: first moving member 60: second moving member

70: third moving member 80: measuring member

100 holder means 110 first support member

120: X axis rotating member 130: Y axis rotating member

135 pulley 150 second support member

160: motor 170: motor

180: Z axis reciprocating motor 190: rotation motor

220: rope 230a: first shaft

230b: second shaft 420: second connecting member

430: Ball screw bolt 440: Ball screw nut

450: Z axis guide member 460: Z axis moving member

510: third connecting member

The present invention relates to a device for measuring the screen characteristics of a cathode ray tube for measuring the screen characteristics of the cathode ray tube, in particular a measuring means for measuring the screen characteristics of the cathode ray tube, such as a CCD camera, any position on the screen of the cathode ray tube It relates to a transfer device of the screen characteristic measuring means of the cathode ray tube that can be easily transported to.

In general, the transfer device of the screen characteristic measuring means of the cathode ray tube for transferring the measuring means capable of measuring the screen characteristics of the cathode ray tube, such as a CCD camera, in order to measure the screen characteristics of the cathode ray tube, a patent application by the present applicant Patent Application No. 91-5475 (filed April 4, 1991) has proposed a three-dimensional lens holder for a screen automatic measuring device.

In the conventional feeding device of the screen characteristic measuring means of the cathode ray tube, the vertical and horizontal channels 2 and 3 are formed in the XY frame 1 formed in a square as shown in FIG. These vertical and horizontal channels (2), (2), (3), and (3) are provided with forward and reverse motors (6) and (7) so as to be able to move up and down and to move left and right. The X-axis screw rods 4 and the Y-axis screw rods 5 are respectively provided. In addition, a vertical slide member 4a sliding along the left vertical channel 2 of the XY axis frame 1 is fixed to the front end of the X-axis screw rod 4 according to the forward and reverse rotation of the motor 7. At the tip of the Y-axis screw rod 5, a horizontal slide member 5a that slides along the lower horizontal channel 3 of the XY axis frame 1 in accordance with the forward and reverse rotation of the motor 6 is provided. It is stuck.

On the other hand, the X-axis screw rod (4) and the Y-axis screw rod (5) is coupled to the lens holder (9) of the measuring means to the left and right and up and down according to the forward and reverse rotation of the motor (6) (7) Exposed through 9a) and 9b.

The conventional apparatus for measuring the screen characteristic of a cathode ray tube configured as described above is capable of conveying measuring means such as a CCD camera in three axes, but in an excessively curved portion such as a corner portion of the cathode ray tube, the lens of the measuring means. Since the lens mounted on the holder 9 cannot be positioned vertically with respect to the screen of the cathode ray tube, there is a problem that the screen characteristics of the cathode ray tube cannot be easily measured.

The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a conveying apparatus for a screen characteristic measuring means of a cathode ray tube that can easily measure screen characteristics of a cathode ray tube.

In order to achieve the above object, the conveying apparatus of the screen characteristic measuring means of the cathode ray tube according to the present invention, in the conveying apparatus of the screen characteristic measuring means of the cathode ray tube for conveying the measuring member in order to measure the screen characteristics of the cathode ray tube, Control means for controlling the measurement member to be transferred in the three axis direction, a first guide member in which the first moving member is reciprocally disposed in the X-axis direction under the control of the control means, and the first guide member. A second guide member fixed to the first movable member movably disposed, the second guide member reciprocally disposed in the Y-axis direction under the control of the control means, and the second guide member disposed on the second guide member A third guide member fixed to an upper portion of the second moving member and disposed to reciprocate in the Z-axis direction by a control of the control means; And a holder means fixed to an upper portion of the third movable member movably disposed in the Z-axis direction on the third guide member and rotatably and rotatably supported by the measuring member.

According to such a configuration, since the lens mounted on the lens holder of the CCD camera or the like can be positioned at any position of the cathode ray tube screen in the vertical direction, the screen characteristics of the cathode ray tube can be easily measured.

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

2 is a perspective view showing a transfer device of the screen characteristic measuring means of the cathode ray tube of the present invention, Figure 3 is a cross-sectional view showing a holder means applied to the transfer device of the screen characteristic measuring means of the present invention.

In FIG. 2 and FIG. 3, reference numeral 10 denotes control means for controlling the measuring member 80 such as a CCD camera to be moved up and down and left and right in order to measure the screen characteristics of the cathode ray tube. Although not shown in detail, is provided with X, Y, Z direction indicating switch or joystick switch to transfer the screen characteristic measuring means of the cathode ray tube in the X, Y, Z direction, 20 is the control means The first guide member 20 is arranged so as to reciprocate in the X-axis direction by pressing and controlling the X-axis direction indicating switch of (10). The first guide member 20 is an LM guide or rod. It is made of a cylinder means having a function such as a response cylinder.

In addition, the upper portion of the first moving member 50 which is guided to the first guide member 20 and reciprocates (left and right) in the X-axis direction is controlled by pressing and controlling the Y-axis direction switch of the control means 10. A second guide member 30 is fixed to which the second movable member 60 reciprocated in the axial direction is slidably disposed. The second guide member 30 is formed of a cylinder means having a function such as an LM guide or a rodless cylinder.

In addition, a third guide member 40 is fixed to the second moving member 60, and the third guide member 40 is pressed by the Z axis direction indication switch of the control means 0 to control the Z axis direction. The third moving member 70 reciprocated by the slide is disposed slidably. Here, the third guide member 40 is made of a cylinder means having a function such as LM guide or rodless cylinder.

In addition, the holder means 100 which is guided to the third guide member 40 to receive and rotatably move the measuring member 80 on the upper portion of the third moving member 70 reciprocating in the Z-axis direction Excreted.

The holder means 100 is provided to move the measuring member 80 in the X and Y directions finely and to finely reciprocate in the Z axis direction. Therefore, the mounted measuring member 80 of the holder means 100, that is, the lens system, can be positioned vertically at any position on the screen of the cathode ray tube (not shown).

Meanwhile, in FIG. 3, 110 is fixed to the third moving member 70 guided by the third guide member 40 and reciprocated in the X-axis direction, and is a component of the holder means 100. As the first supporting member, the first supporting member 110 has a substantially c-shaped cross section. A motor 160 is disposed above the first supporting member 110, and a pulley 162 is disposed on the rotation shaft 160a of the motor 160. The motor 160 is disposed from the rotation shaft 160a of the motor 160. The first shaft member 230 is mounted to rotate the X-axis rotating member 120 in the X-axis direction through the bearing members 300a and 300b at an inner side near the distal end of the first supporting member 110 at a predetermined distance. It is.

And, between the pulley 162 and the pulley (230a) formed in the first shaft member 230, the rope (to rotate the X-axis moving member 120 in the left and right directions in accordance with the forward and reverse rotation of the motor 160) 220) is hanging.

The motor 170 is disposed on the outer circumferential surface of the X-axis moving member 120, and the pulley 171 is disposed on the rotation shaft 170a of the motor 170.

In the X-axis moving member 120, the Y-axis rotating member 130 is rotated in the Y-axis direction via the shafts 132a and 132b and the bearings 135a and 135b so as to be rotated by the driving of the motor 170. It is arrange | positioned rotatably, and the pulley 135 is arrange | positioned at the said shaft 132a. The Y-axis rotating member 130 is driven between the pulley 171 disposed on the rotation shaft 170a of the motor 170 and the pulley 135 disposed on the shaft 132a according to the driving of the motor 170. The rope 420 is hooked to rotate in the Y axis direction.

The ball screw bolt 430 is fixed to the shaft of the Z-axis reciprocating motor 180 disposed in the Y-axis rotating member 130 so as to rotate in conjunction with the motor 180, and the ball screw bolt ( 430 is provided with a ball screw nut 420 for converting the rotational movement into a linear reciprocating motion.

In addition, a Z-axis guide member 450 having a function such as an LM guide is fixed to an upper surface of an inner lower surface of the Y-axis rotating member 130, and the Z-axis guide member 450 and the ball screw nut 440 are fixed. The Z-axis moving member 460 is placed therebetween.

In addition, the second support member 150 is fixed to the upper portion of the Z-axis moving member 460, the Z-axis guide member 450 and the ball screw nut 440 is Z-axis moving member 460 Bound by

That is, when the Z-axis reciprocating motor 180 is driven by the control signal of the control means 10, the ball screw bolt 430 is rotated and the ball screw nut 440 by the rotation movement ) Reciprocates in the Z-axis direction.

In addition, a holder means 100 for supporting the measuring member 80 is disposed in the second support member 150, and a holder means is provided between the holder means 100 and the second support member 150. The bearing (not shown) is arrange | positioned so that the 100 may rotate smoothly.

In addition, the rotation motor 190 is fixed to one surface of the second support member 150, and the pulley 195 and the holder means 100 disposed on the rotation shaft 190a of the rotation motor 190. Between the hanging member 510, such as a belt for transmitting power.

Hereinafter, the operation and the effect of the transfer device of the screen characteristic measuring means of the cathode ray tube according to the embodiment of the present invention configured as described above will be described.

First, the large movement operation of the holder means 100 under the control of the control means 10 will be described. When a signal for controlling the movement in the X-axis direction by the control means 10 is applied to the first guide member 20, the first moving member 50 is not shown to measure the screen of the cathode ray tube (not shown). A signal for controlling movement in the Y-axis direction from the control means 10 while moving in the X direction or the -X direction (specifically, the horizontal movement direction) on the first guide member 20 according to the driving means is second. When applied to the guide member 30, the second moving member 60 is moved on the second guide member 30 in the Y-axis direction or -Y axis direction (up and down direction).

At this time, when a signal for controlling the movement in the Y-axis direction from the control means 10 is applied to the third guide member 40, the third moving member 70 also moves in the Z-axis direction on the third guide member 40. Of course it moves.

Next, an operation of moving the measuring means 80 precisely (finely) in order to measure the screen characteristic of a specific position of the cathode ray tube will be described with reference to FIG.

When the motor 160 is driven by a control signal in the Z direction in the control means 10, the rotation shaft 160a is rotated and the pulley 162 disposed on the rotation shaft 160a is rotated, thereby providing a first rotation. The X-axis rotation member 120 which pulls the shaft member 230 through the rope 220 is moved finely in the X-axis direction. At this time, when the motor 170 is driven, the rotating shaft 170a is rotated so that the pulley 171 disposed on the rotating shaft 170a rotates, thereby rotating the pulley 135 through the rope 420. It is to rotate the y-axis rotation member 130.

At this time, as the Y-axis reciprocating motor 180 is driven, the ball screw bolt 430 rotates and is linked thereto so that the measuring member 80 rotates so as to be perpendicular to the screen of any particular position of the cathode ray tube. Precise positioning.

On the other hand, the measuring member 80 disposed on the second support member 150 is rotated by the rotation motor 190 to drive the rotation of the measuring member 80 disposed in the Y-axis rotating member 130. The lens is positioned vertically at any particular position of the cathode ray tube screen, not shown, so that the screen characteristics of the cathode ray tube can be easily measured.

In the above description, a signal for controlling the movement in the X direction is applied to the first guide member 20 by actuating an X direction indicating switch (not shown) for controlling the movement in the Y direction disposed in the control means 10. The signal for controlling the movement in the Y direction is applied to the second guide member 30 by operating the Y direction indicating switch (not shown) for controlling the movement in the Y direction disposed in the control means 10, Z The signal for controlling the movement in the direction is applied to the third guide member 30 by operating the Z-direction instruction switch for controlling the Z-direction movement disposed in the control means 10.

As described above, the conveying apparatus of the screen characteristic measuring means of the cathode ray tube according to the present invention allows the measuring means such as a CCD camera to be moved in three axes so that the lens of the measuring means is moved vertically in any part of the screen of the cathode ray tube. It can be positioned so that the screen characteristics of the cathode ray tube can be easily measured.

Claims (1)

(Twice Correction) A feeding device of a screen characteristic measuring means of a cathode ray tube which conveys the measuring member 80 to measure the screen characteristic of the cathode ray tube, wherein the measuring member 80 is controlled to be conveyed in three axes. The control means 10, the first guide member 20 in which the first moving member 50 is reciprocally disposed in the X-axis direction by the control of the control means 10, and the first guide member ( A second guide fixed to the first movable member 50 movably disposed at 20) and reciprocally disposed in the Y-axis direction by the control of the control means 60; The third moving member 70 is fixed to the upper part of the member 30 and the second moving member 60 disposed on the second guide member 30 by the control of the control means 10. In the Z-axis direction to the third guide member 40 and the third guide member 40, which are arranged to be reciprocated in the direction. Screen of the cathode ray tube, characterized in that made of a holder means 100 which is fixed to the upper portion of the third movable member (70) which is movably disposed at the same time and at the same time rotatably and rotatably supports the measuring member (80). Transfer device for measuring means.