KR20060035256A - Panel transferring apparatus for crt - Google Patents

Abstract

The present invention has a chucking unit for chucking the cathode ray tube panel, a carriage for supporting and transporting the chucking unit, and a lifting unit coupled to the carriage to elevate the panel, the panel conveying apparatus for the cathode ray tube for conveying the chucked panel It relates to a chucking unit and a carriage, characterized in that it comprises a chucking control unit for adjusting the chucking height of the panel by adjusting the distance between the chucking unit and the carriage. Accordingly, the chucking height of the panel can be easily adjusted according to the type of the panel, and the chucking height adjustment work time of the panel can be reduced to minimize the process loss.

Description

Panel Transfer Device for Cathode Ray Tubes {PANEL TRANSFERRING APPARATUS FOR CRT}

1 is a front view of a panel conveying apparatus for a cathode ray tube according to the present invention,

Figure 2 is a front view of the chucking control unit of Figure 1,

3 is a plan view of the setting block of FIG.

Figure 4 is a front view of the main part of Figure 1 showing the chucking height adjustment process of the panel of the cathode ray tube panel transport apparatus according to the present invention,

5 is a front view of a panel feeder for a conventional cathode ray tube.

* Explanation of symbols for the main parts of the drawings

1: panel feeder for cathode ray tube 5: panel

10: chucking part 20: carriage

30: lifting unit 40: chucking control unit

41: clamping bolt 43: lifting flange

53: connecting bolt 55: spring

57: adjusting nut 61: connecting flange

63: lock nut 71: release prevention part

73: release prevention nut 75: stopper

77: stopper fixing bolt 81: setting block

83: slit

The present invention relates to a panel conveying apparatus for a cathode ray tube, and more particularly, to a panel conveying apparatus for a cathode ray tube having an improved assembly structure for adjusting the chucking height of a panel.

The cathode ray tube (CRT) used for a TV or a monitor includes a panel provided at the front and an image projected thereon, a funnel-shaped funnel coupled to the rear of the panel, and an electron gun inside the funnel. It consists of a neck which is received.

On the other hand, the panel is supplied to the process of sealing the product produced in the molding process, to seal the stud pin, the panel conveying apparatus is used to transfer the panel in such a sealing process.

Such a conventional panel conveying apparatus, as shown in Figure 5, has a chucking portion for chucking the cathode ray tube panel, a carriage for supporting and transporting the chucking portion, and a lift portion coupled to the carriage to lift the panel.

The chucking portion is provided with a suction pad for vacuum suction of the panel.

The carriage is conveyed along a rail (not shown) arranged along the conveyance plane of the panel by a conveyer not shown. One side of the carriage is provided with a nut portion screwed with the screw shaft to be described later to move along the longitudinal direction of the screw shaft. The nut part is fixed to the screw shaft by a set screw.

The lifting unit has a cylinder body operating by fluid pressure, and a lifting bracket coupled to the cylinder body to reciprocate by operation of the cylinder body.

On one side of the lifting bracket, a screw shaft on which the nut part is screwed is standing up.

Thus, the carriage is coupled to the lifting portion by the screw shaft and the nut portion to be elevated.

In addition, a connecting flange is provided between the chucking portion and the carriage to interconnect the chucking portion and the carriage.

Therefore, the overall height of the panel is different according to the size of each inch of the panel (for example, 14 inches, 17 inches, 29 inches, etc.), when changing the type of panel to transfer to the post-process as much as the height difference of the panel Adjust the assembly position between the carriage and the lift. That is, the chucking height of the panel is adjusted by raising and lowering the nut part provided in the carriage along the screw shaft by the changed height of the panel along the screw shaft.

However, when changing the type of the panel in such a conventional cathode ray tube panel conveying apparatus, since the overall height of the panel is different according to the type of the panel, that is, the chucking height of the panel varies depending on the type of the panel, the carriage is Since the operator directly climbs to the upper part of the panel feeder arranged to adjust the assembly position between the carriage and the lifting part as much as the height difference of the panel, the effort, effort and work time according to the chucking height adjustment work of the panel are relatively large. In addition, since the production of the panel can not be made as well as the time, there is a problem that the loss in the overall process will inevitably occur.

It is an object of the present invention to provide a panel conveying apparatus for a cathode ray tube which can not only easily adjust the chucking height of the panel corresponding to the type of panel, but also reduce the chucking height adjustment work time of the panel to minimize process losses. .

In order to achieve the above object, the present invention has a chucking unit for chucking the cathode ray tube panel, a carriage for supporting and transporting the chucking unit, and a lifting unit coupled to the carriage to elevate the panel, chucking the chucking unit A panel conveying apparatus for a cathode ray tube for conveying a panel, the panel conveying apparatus for a cathode ray tube characterized in that it comprises a gap adjusting portion provided between the chucking portion and the carriage, the interval adjusting portion for adjusting the distance between the chucking portion and the carriage. to provide.

Here, the gap adjusting portion, the clamping bolt is formed with a screw in at least one area; A lifting flange coupled to the clamping bolt and approaching and spaced apart from the chucking part; A connection flange spaced apart from the lifting flange and coupled to the clamping bolt and connected to the carriage; A lock nut coupled to the clamping bolt between the lifting flange and the connection flange to lock and release the lifting flange to the clamping bolt; An anti-separation unit coupled to the clamping bolt and facing the lock nut with the lifting flange interposed therebetween to prevent the lifting flange from being separated from the clamping bolt; It may be provided between the separation prevention portion and the lifting flange, and may include a setting block for adjusting the distance between the lifting flange and the connecting flange.

The release preventing part, the release preventing nut for in close contact with the lifting block and the lifting flange, and preventing the lifting flange from being separated from the clamping bolt; A stopper provided in the clamping bolt to limit movement of the release preventing nut to maintain a minimum distance between the chucking part and the lifting flange; It is preferable to include a stopper fixing bolt for fixing the stopper to the clamping bolt.

The lock nut further includes a locking handle for adjusting the locking state, so that the locking nut can be easily gripped to adjust the locking state.

In addition, a plurality of connecting bolts interconnecting the lifting flange and the chucking unit; An elastic member provided on the connecting bolt and elastically biasing the lifting flange relative to the chucking part; Coupled to each of the connecting bolts, may further include a plurality of adjustment nuts for adjusting the interval between the lifting flange and the chucking portion.

By forming a slit in which the clamping bolt is drawn in and coupled to the setting block, the chucking height of the panel can be easily adjusted according to the type of the panel.

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

1 is a front view of a panel conveying apparatus for a cathode ray tube according to the present invention. As shown in the drawings, the cathode ray tube panel conveying apparatus 1 according to the present invention, the chucking unit 10 for chucking the cathode ray tube panel 5 and the carriage 20 for supporting and transporting the chucking unit 10. ), And a lift unit 30 coupled to the carriage 20 to lift and lower the panel 5.

The chucking unit 10 is provided with a suction pad 15 for vacuum suction of the panel 5.

The carriage 20 is conveyed along a rail (not shown) arranged along the conveyance plane of the panel 5 by a conveyer not shown. In addition, the carriage 20 is coupled to the lifting bracket 35 to be described later.

The lifting unit 30 has a cylinder body 31 that operates by fluid pressure, and a lifting bracket 35 that is coupled to the cylinder body 31 and reciprocates by the operation of the cylinder body 31.

The lifting bracket 35 is also coupled to the carriage 20, whereby the carriage 20 is lifted by the reciprocating movement of the lifting bracket 35.

On the other hand, the panel conveying apparatus 1 according to the present invention is provided between the chucking unit 10 and the carriage 20, by adjusting the distance between the chucking unit 10 and the carriage 20, the chucking height of the panel (5). It further comprises a chucking control unit 40 to adjust.

As shown in FIG. 2, the chucking adjusting unit 40 is coupled to the clamping bolt 41 and the clamping bolt 41 having the screw 41a formed in at least one region, and is approached and spaced apart from the chucking unit 10. Locking the lifting flange 43, the connecting flange 61, which is spaced apart from the lifting flange 43, coupled to the clamping bolt 41 and connected to the carriage 20, and the lifting flange 43 to the clamping bolt 41 And a lock nut 63 for unlocking, an escape prevention part 71 for preventing the lifting flange 43 from escaping from the clamping bolt 41, and an interval between the lifting flange 43 and the connecting flange 61. It has a setting block 81 to adjust.

The clamping bolt 41 is standing up between the chucking portion 10 and the carriage 20.

The lifting flange 43 has a boss portion 45 coupled to the clamping bolt 41 and an extension portion 47 extending radially along the circumference of the boss portion 45.

The boss part 45 is coupled to the clamping bolt 41 and the key 49, and the key 49 is fixed by the plurality of set screws 51.

In the extension part 47, a plurality of connecting bolts 53 for connecting the lifting flange 43 and the chucking part 10 to each other are penetrated through the circumference of the boss part 45.

On the outer circumference of the connecting bolt 53 between the elevating flange 43 and the chucking portion 10, a spring 55 is mounted as an elastic member for elastically biasing the elevating flange 43 with respect to the chucking portion 10.

An adjustment nut 57 is fastened to each end of the connection bolt 53 protruding from the plate surface of the extension portion 47 of the elevating flange 43, and the elevating flange 43 and the chuck are fastened by the adjustment nut 57. The spacing between the king 10 can be adjusted.

The connecting flange 61 is coupled to one end of the clamping bolt 41, and is coupled by a fastening means (not shown) to one side of the carriage 20. Thus, the clamping bolt 41 is supported on one side of the carriage 20 by the connecting flange 61.

The lock nut 63 is screwed to the clamping bolt 41 between the lifting flange 43 and the connecting flange 61 to lock and unlock the lifting flange 43 to the clamping bolt 41. The lock nut 63 is provided with a locking handle 65 which can be easily gripped to adjust the locking state of the lock nut 63.

The separation prevention part 71 faces the lock nut 63 with the lifting flange 43 therebetween and is coupled to the clamping bolt 41. The release preventing unit 71 is a clamping block 73 to close the setting block 81 to be described later to the lifting flange 43 and to prevent the lifting flange 43 from being separated from the clamping bolt 41, and the clamping, The stopper 75 is provided on the bolt 41 to restrict the movement of the release preventing nut 73 to maintain the minimum separation distance between the chucking part 10 and the lifting flange 43, and the stopper 75 clamps the bolt ( 41, a stopper fixing bolt 77 is fixed.

The setting block 81 is provided between the separation preventing part 71 and the lifting flange 43 to set a distance between the lifting flange 43 and the connecting flange 61. The setting block 81 has a plate shape, and in this embodiment, a setting block 81 of a circular cross section is disclosed. As shown in FIG. 3, the setting block 81 is formed with a slit 83 of a long hole cut in a radial direction from the outer circumference, and the clamping bolt 41 is drawn in and out of the slit 83. And combined. By the slit 83, the setting block 81 is easily mounted between the lifting flange 43 and the release preventing nut 73 corresponding to the type of the panel 5, thereby adjusting the chucking height of the panel 5. Will be.

By this configuration, when the panel 5 to be conveyed in the panel conveying apparatus 1 is to be replaced, as shown in FIG. 4, the locking nut 65 is rotated in one direction to unlock the lock nut 63. do.

Subsequently, the set screw 51 coupled to the boss portion 45 of the lifting flange 43 is released to release the lifting flange 43 from the clamping bolt 41.

As the lifting flange 43 flows along the lengthwise direction of the clamping bolt 41, the setting block 81 between the lifting flange 43 and the release preventing nut 73 is also movable from the clamping bolt 41. do.

The setting block 81 is separated from the clamping bolt 41 by moving the clamping bolt 41 along the slit 83 of the setting block 81 coupled to the clamping bolt 41.

Then, a new setting block 81 for the size of the newly chucked panel 5 is mounted to the clamping bolt 41. At this time, the clamping bolt 41 is inserted into the slit 83 of the setting block 81 and coupled with the setting block 81.

Subsequently, the elevating flange 43 is brought into close contact with the setting block 81 so that the setting block 81 is in close contact with the departure preventing nut 73, and the boss 45 and the key 49 of the elevating flange 43 are provided. The set screw 51 is fastened to restrain the elevating flange 43 to the clamping bolt 41.

Subsequently, by rotating the locking handle 65 in the other direction to lock the lifting flange 43 to the clamping bolt 41 by the lock nut 63, the chucking height adjustment work for the new panel 5 is completed. .

In this way, when the chucking height of the panel 5 is adjusted according to the type of the panel 5, since a separate tool is not required, anyone without a skilled worker can easily adjust the chucking height and shorten the working time. It becomes possible.

As such, by providing a chucking control unit for adjusting the chucking height of the panel by adjusting the distance between the chucking unit and the carriage between the chucking unit and the carriage, the operator does not climb on the upper portion of the panel conveying apparatus to correspond to the type of panel on the ground. Not only can the panel's chucking height be easily adjusted, but also the panel's chucking height can be reduced, thereby minimizing process losses.

In the above-described embodiment, the shape of the setting block is shown in a circular cross-sectional shape, but the shape of the setting block may be manufactured in various shapes, for example, polygonal, oval cross-sectional shapes.

As described above, according to the present invention, by improving the assembly structure for adjusting the chucking height of the panel, not only can easily adjust the chucking height of the panel corresponding to the type of the panel, but also reduces the chucking height adjustment work time of the panel. Provided is a panel feeder for cathode ray tubes that can minimize process losses.

Claims (6)

To the cathode ray tube panel conveying apparatus for chucking the panel for the cathode ray tube, the carriage supporting and transporting the chucking portion, and the lifting unit coupled to the carriage to lift the panel, the conveying panel chucked to the chucking unit In And a chucking adjusting unit provided between the chucking unit and the carriage to adjust a chucking height of the panel by adjusting a distance between the chucking unit and the carriage. The method of claim 1, The chucking control unit, A clamping bolt having a screw formed in at least one region; A lifting flange coupled to the clamping bolt and approaching and spaced apart from the chucking part; A connection flange spaced apart from the lifting flange and coupled to the clamping bolt and connected to the carriage; A lock nut coupled to the clamping bolt between the lifting flange and the connection flange to lock and release the lifting flange to the clamping bolt; An anti-separation unit coupled to the clamping bolt and facing the lock nut with the lifting flange interposed therebetween to prevent the lifting flange from being separated from the clamping bolt; And a setting block provided between the release preventing part and the lifting flange to adjust a distance between the lifting flange and the connecting flange. The method of claim 2, The departure prevention part, A release preventing nut which closely contacts the setting block to the lifting flange and prevents the lifting flange from being separated from the clamping bolt; A stopper provided in the clamping bolt to limit movement of the release preventing nut to maintain a minimum distance between the chucking part and the lifting flange; And a stopper fixing bolt for fixing the stopper to the clamping bolt. The method of claim 2, The lock nut further comprises a locking handle for adjusting the locking state panel transport apparatus for cathode ray tubes. The method of claim 2, A plurality of connecting bolts connecting the lifting flange and the chucking part to each other; An elastic member provided on the connecting bolt and elastically biasing the lifting flange relative to the chucking part; Coupled to each of the connecting bolts, the panel conveying apparatus for a cathode ray tube, characterized in that it further comprises a plurality of adjustment nuts for adjusting the distance between the lifting flange and the chucking portion. The method according to any one of claims 2 to 5, The setting block is a cathode ray tube panel transport apparatus, characterized in that the clamping bolt is drawn in and out is coupled to the slit.

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