CN1186322A - Multilayer coating device for cathode ray tube - Google Patents
Multilayer coating device for cathode ray tube Download PDFInfo
- Publication number
- CN1186322A CN1186322A CN97125470A CN97125470A CN1186322A CN 1186322 A CN1186322 A CN 1186322A CN 97125470 A CN97125470 A CN 97125470A CN 97125470 A CN97125470 A CN 97125470A CN 1186322 A CN1186322 A CN 1186322A
- Authority
- CN
- China
- Prior art keywords
- coating device
- multilayer coating
- turning barrel
- ray tube
- cathode ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2209/00—Apparatus and processes for manufacture of discharge tubes
- H01J2209/01—Generalised techniques
- H01J2209/012—Coating
- H01J2209/015—Machines therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Coating Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The multilayer coating device for CRT has a turbulence suppression unit whose interior is isolated from the environment whilst the cathode ray tube or CRT is mounted on it. A multilayer coating unit inside the turbulence suppression unit applies a multilayer coating to the front glass of the CRT. A drive unit rives the turbulence suppression unit and a holding unit carries the turbulence suppression unit, the multilayer coating unit and the drive unit.
Description
The present invention relates to a kind of multilayer coating device that is used for the cathode ray tube flat glass, particularly a kind of multilayer coating device that utilizes spraying coating process to realize multiple coating, reaching antistatic and antireflecting purpose, and realize even coating by eliminating the whirlpool that produces because of air movement.
In general, in the whole manufacturing process of cathode ray tube, finished flat glass multiple coating work step before this, later work step is only the deflecting coil that will be pricked and apply by the graphite bundle and is fixed on the cathode ray tube.
At the multiple coating work step, the upper plate rotation of cathode ray tube is installed, simultaneously, the water glass solution that will contain antistatic agent and anti-reflection agent is sprayed on the flat glass of cathode ray tube equably.
Compare with the cathode ray tube of uncoated, the cathode ray tube behind the multiple coating has well antistatic and anti-reflection effect.
As shown in Figure 2, above-mentioned multilayer coating device comprises: be used for fixing the upper plate 2 of the flat glass of cathode ray tube, be wound in the belt 17 on the upper plate 2, cooperate with belt 17 so that the belt pulley 13 of upper plate 2 rotations.Belt pulley 13 is driven by drive motors 11.
Multilayer coating device also includes a turning barrel 1, and it is arranged on the below of upper plate 2 and supports upper plate.Be located in the turning barrel in the masking liquid spray equipment 7.Spray equipment 7 has a plurality of nozzle 8, one supporting members 9, and nozzle 8 is contained on this supporting member, and pipe 10, and pipe 10 places supporting member 9 belows, is used for providing masking liquid to nozzle 8.
As mentioned above, when multilayer coating device G carries out multiple coating on cathode ray tube, the belt pulley drive upper plate 2 and the belt 17 that are driven by drive motors 11 rotate together, the flat glass of upper plate 2 and cathode ray tube B together rotates simultaneously, at this moment, spray equipment 7 sprays to masking liquid on the flat glass.
Yet in above-mentioned multilayer coating device, air outside can be invaded the inner space of turning barrel by the gap between upper plate 2 and the turning barrel 1.The upper plate 2 and the air of rotation can form eddy current in turning barrel.This feasible laminated coating inequality that is coated on the flat glass has reduced coating quality.
In addition, because a large amount of alcohol components is volatilized from turning barrel 1 by above-mentioned gap in the masking liquid, adopt above-mentioned spraying method can cause the unnecessary consumption of masking liquid.
The present invention aims to provide a kind of multilayer coating device, has overcome limitation and the not enough such-and-such problem of bringing because of prior art significantly.
The object of the present invention is to provide a kind of multilayer coating device, this equipment can be avoided occurring whirlpool and can evenly spray on the flat glass of cathode ray tube in turning barrel, thereby coating quality can variation.In addition, this device also can be avoided the unnecessary consumption of masking liquid, so reduced production cost.
Other features and advantages of the present invention will be described below.By the description of this invention or enforcement the present invention, can partly understand these advantages and feature.Utilize specification, the structure that claims and accompanying drawing are specified can realize purpose of the present invention and other advantage.
For realizing these advantages, multilayer coating device comprises: anti-whirlpool device, be used to prevent that its inner space from producing whirlpool, and the inner space of this device and extraneous zone isolation are equipped with cathode ray tube on it; One multiple coating device is used for carrying out multiple coating on the flat glass of cathode ray tube; One drive unit is used to drive anti-whirlpool device and rotates; And a supporting arrangement, be used to support anti-whirlpool device, multiple coating device and drive unit.By the isolation of described inner space and atmosphere, anti-whirlpool device can reach the effect that prevents vortex arising.
Anti-whirlpool device comprises: a upper plate; One support holes is opened the center at upper plate; One turning barrel cooperates tightly with upper plate, thereby its inner space and outside air are isolated; One rubber blanket, it is looped around on the support holes of upper plate, so that cathode ray tube and support holes tighten together.
The multiple coating device comprises: a plurality of nozzles; Be used to support a supporting member of nozzle, have in the supporting member and make masking liquid lead to the path of nozzle; And a pipe, it is with masking liquid guided bearing spare and support supporting member.
Drive unit comprises: a motor, be used for electric energy is converted into rotation function, and the rotating shaft front end of motor is installed a belt pulley; One belt passes to anti-whirlpool device with the rotation function of motor; One belt pulley is installed on the anti-whirlpool device.
Supporting arrangement comprises: turning barrel support unit, the base of motor bearing parts and fixed electrical machinery support unit and turning barrel support unit.
As mentioned above, have only cathode ray tube to be securely fixed on the upper plate, and the rotation of anti-whirlpool device, its inner space and isolated from atmosphere come, and could utilize multilayer coating device of the present invention to carry out the multiple coating operation, like this, just can prevent air swirl, thereby implement uniform multiple coating.
Should be understood that above-mentioned generality explanation and following detailed are exemplary and indicative, purpose is to deeply being explained by the present invention that claim defined.
The part of book as an illustration, accompanying drawing shows embodiments of the invention, is used for the present invention is further understood, and drawing and description one are used from explains principle of the present invention.
Wherein:
Fig. 1 is the partial sectional view according to multilayer coating device of the present invention;
Fig. 2 is the partial sectional view of traditional multilayer coating device.
In the following detailed description, just provided preferred embodiment according to preferred forms of the present invention.Be appreciated that under the situation that does not break away from the present invention's design, can be out of shape the present invention from a plurality of sides.Drawing and description all are exemplary, are not in order to limit the invention.
Below to describing according to a preferred embodiment of the invention.Example is illustrated by accompanying drawing.
Fig. 1 is the partial sectional view of the multilayer coating device G of first preferred embodiment of the invention.This multilayer coating device roughly comprises: an anti-whirlpool device, be used to prevent that its inner space from producing whirlpool, and the inner space of this device and outer boundary region are isolated, and cathode ray tube B is mounted thereto; One multiple coating device is arranged in the inner space of anti-whirlpool device, is used for spraying masking liquid on the flat glass of cathode ray tube; One drive unit is used to make anti-whirlpool device to rotate; And a supporting arrangement, be used to support anti-whirlpool device, multiple coating device and drive unit.
Anti-whirlpool device includes: turning barrel 1, see that an opening is arranged at its top of Fig. 1, and there is a space inside; One upper plate 2, it connects by the opening of screw 4 and turning barrel 1.The central authorities of upper plate 2 have a support holes.
Turning barrel 1 is cylindrical, and the diameter of its top, middle part and bottom is different, and is more little by its diameter of bottom more.
Turning barrel 1 is provided with the masking liquid eduction gear, and the masking liquid that is used for being sprayed enters the bottom of turning barrel glibly from the multiple coating device.In the preferred embodiment, the masking liquid eduction gear is the hang plate 3 of a likeness in form funnel that is tilted to its central part by the sidewall of turning barrel 1.
In addition, on support holes, be wound with a resilient rubbber cushion tightly, so that do not produce any gap between support holes and the cathode ray tube B.
The multiple coating device is installed in the rotating shaft of turning barrel 1 inside.This device comprises a plurality of nozzles 8, supporting member 9 and pipe 10.The multiple coating device is multiple coating on the flat glass of cathode ray tube B, to reach antistatic and antireflecting purpose.Cathode ray tube B rigidly fixes on the support holes of upper plate 2.
Nozzle 8 is sprayed on masking liquid on the flat glass.Supporting member is installed between nozzle and the pipe 10 with supporting nozzle 8.Have the masking liquid path on the supporting member, this path is used for the masking liquid of pipe 10 feedings is distributed to each nozzle 8.
One end of pipe 10 is connected with the bottom of supporting member 9, and pipe 10 imports masking liquid in the supporting member in supporting supporting member 9.The other end of pipe links to each other with flexible pipe, is used to admit the masking liquid of supplying with from the outside.
Simultaneously, drive unit rotates turning barrel 1, is coated in equably on the flat glass of cathode ray tube B thereby make from the masking liquid of nozzle 8 ejections.Drive unit comprises: a motor 11 is used for electric energy is converted into rotation function; One belt 17 passes to turning barrel 1 with the rotation function of motor 11; Belt pulley 13 and 15 is installed in respectively in the rotating shaft of motor 11, and is arranged at the downside of turning barrel 1, so that belt 17 and turning barrel 1, motor 11 are connected together.
The rotation function of motor passes to turning barrel 1 by the belt 17 that cooperates with belt pulley 13,15.
Yet because cathode ray tube B can rotate with the rotation of turning barrel 1, it may be shaken even deviate from from the support holes of upper plate 2.This vibration can produce injurious effects to multiple coating.
Therefore, cathode ray tube B must be securely fixed in the support holes of upper plate 2.
For this reason, a cathode-ray pipe fixing device (not shown) is installed, so that be fixed on the plate 2 on upper plate 2.In the preferred embodiment, this fixture is made up of one group of block piece, they be installed in upper plate 2 support holes around, by manual operation, exert pressure to the outer rim of cathode ray tube B.
Simultaneously, supporting arrangement supporting turning barrel 1, motor 11 and pipe 10.It comprises: turning barrel support unit 23, and motor bearing parts 21 and base 20, turning barrel supporting member 23 and motor bearing parts 21 are installed on the base 20.
Have on the turning barrel support unit 23: an opening inserts rotatably for turning barrel; One space 25, its diameter is bigger than described opening, and it is bearing in the bottom of turning barrel 1; One hole for pipe 10 insertions.Be understood that easily: because the spigot shaft coaxle of pipe 10 and turning barrel 1, being centered close on the straight line of hole, space 25 and opening.
The part of motor 11 is inserted in the groove of leaving on the upper surface of motor bearing parts 2, thereby motor is fixed.
Because of the alcohol component is arranged in the masking liquid, so masking liquid can volatilize and form volatilization gas pressure.Increasing of volatilization gas pressure is unfavorable for evenly being coated with coating liquid on the flat glass of cathode ray tube, therefore be provided with exhaust apparatus on turning barrel support unit 23, so that the masking liquid of volatilization is discharged.
Exhaust apparatus comprises: a blast pipe 31, and it passes the space 25 on the turning barrel support unit 23; One ventilating fan (not shown) is contained in the blast pipe 31.
The vibration of turning barrel 1 makes the coating quality variation of flat glass, and can be to turning barrel 1, and pipe 10 and motor 11 cause damage, and cathode ray tube B is deviate from support holes.Thereby this vibration can cause injurious effects to whole multilayer coating device.
Therefore, on the turning barrel 1 antihunting device is housed, in case the vibration of spline bucket 1.Antihunting device comprises: a slide unit 41, and it directly contacts with the excircle of turning barrel 1; One axle sleeve 43, it covers slide unit 41 and is protected; And link 45,47, be used for supporting sleeve, to prevent its vibration.Link comprises: a vertical link 47, and it is fixed on the base 20 vertically; One horizontal link 45 is used for axle sleeve 43 is linked together with vertical link 47.
As mentioned above, the flat glass of the cathode ray tube B of multilayer coating device G is installed on the support holes that the center of upper plate 2 forms, and is surrounded with a rubber blanket on the support holes.Utilize block piece that cathode ray tube B is firmly fixed on the described support holes then.
Utilize screw that upper plate 2 and turning barrel 1 are tightly cooperated, thereby the inner space of turning barrel 1 and the external world are isolated fully.
During 11 rotations of one motor, belt 17 tensioning on the belt pulley 13 on belt pulley on the motor 13 and the turning barrel 1 makes turning barrel 1 rotation.
Rotation along with turning barrel 1, top attachment upper plate 2 together by screw and turning barrel 1 rotates together with the cathode ray tube B that is fixed on the upper plate 2, at this moment, place the pipe 10 in the turning barrel 1 that the masking liquid of flexible pipe feeding is passed path to supporting member 9, supporting member 9 is delivered to nozzle 8 with the masking liquid branch.
Therefore, nozzle 8 is sent masking liquid forth and is come and be coated on the flat glass of the cathode ray tube that rotates together with upper plate 2.
Do not make as yet before gas pressure increases at the masking liquid of volatilization, be installed in blast pipe 31 on the turning barrel support unit 23 and the ventilating fan in the blast pipe masking liquid of volatilization is drained in the atmosphere.
In addition, fail to be coated in the masking liquid that comes down in torrents downwards on the flat glass from the lower space of turning barrel 1 along hang plate 3 downward following currents, and let out pipe 19 and collect by leading, this is led the inner space of letting out pipe 19 and turning barrel support unit 23 and is communicated with.
The turning barrel antihunting device includes bearing 41; The axle sleeve 43 of radial journal bearing 41 and the link of supporting sleeve 43 45,47, this device make turning barrel 1 steadily rotate, not vibration.
As mentioned above, in multilayer coating device of the present invention, turning barrel and upper plate rotate together, the eddy current of having avoided the motion because of air in the turning barrel to produce.
Therefore, can implement multiple coating equably on flat glass, the quality of coating can variation.In addition, owing to avoided overflowing in the gap of masking liquid between turning barrel and upper plate, so reduced masking liquid consumption and production cost.
Those of ordinary skill in the art can obviously find out, under the prerequisite that does not deviate from design of the present invention, can make various changes and distortion to the multilayer coating device of cathode ray tube of the present invention.Of the present inventionly attempt to cover various distortion and its equivalent structure that the appended claim book is defined.
Claims (13)
1. the multilayer coating device of a cathode ray tube comprises:
One anti-whirlpool device is used to prevent that whirlpool from appearring in its inner space, and when cathode ray tube was adorned thereon, the inner space of this device isolated with extraneous;
One multiple coating device is arranged in the inner space of anti-whirlpool device, is used for applying multiple coating on the flat glass of cathode ray tube;
One drive unit makes anti-whirlpool device rotation; And
One supporting arrangement is used to support anti-whirlpool device, multiple coating device and drive unit.
2. multilayer coating device as claimed in claim 1, wherein, anti-whirlpool device comprises: a upper plate, it has a support holes so that cathode ray tube to be installed; One turning barrel cooperates with upper plate; And a rubber blanket, it is surrounded on the support holes of upper plate so that cathode ray tube and upper plate are tightened together, thereby the inner space of anti-whirlpool device and ambient atmosphere are isolated.
3. multilayer coating device as claimed in claim 2 also comprises a turning barrel antihunting device, and in order to prevent the vibration of turning barrel, it is installed on the excircle of turning barrel.
4. multilayer coating device as claimed in claim 3, wherein, the turning barrel antihunting device comprises a slide unit, the excircle of it and turning barrel contacts; One axle sleeve covers slide unit and is protected; And a plurality of links of supporting sleeve, thereby prevent vibration.
5. multilayer coating device as claimed in claim 4, wherein, described slide unit is a bearing.
6. multilayer coating device as claimed in claim 1, wherein, the multiple coating device comprises a plurality of nozzles; One supporting member of supporting nozzle has the path that leads to nozzle on the supporting member; And import masking liquid in the supporting member and with its pipe that supports.
7. multilayer coating device as claimed in claim 1, wherein, drive unit comprises a motor, is used for electric energy is changed into rotation function, the front end of machine shaft is equipped with a belt pulley; One belt is used for the rotation function of motor is passed to anti-whirlpool device; And be installed in a belt pulley on the anti-whirlpool device.
8. multilayer coating device as claimed in claim 1, wherein, supporting arrangement comprises the turning barrel support unit; The motor bearing parts; And a pedestal, pedestal is used for fixing motor bearing parts and turning barrel support unit.
9. multilayer coating device as claimed in claim 7 also comprises an exhaust apparatus, is used for the masking liquid of volatilization is discharged, and this device is arranged in the turning barrel support unit.
10. multilayer coating device as claimed in claim 9, wherein, exhaust apparatus comprises a blast pipe and a ventilating fan.
11. multilayer coating device as claimed in claim 8 wherein, is equipped with one and leads and let out pipe on the turning barrel support unit, be used to collect the masking liquid that flow to the turning barrel bottom.
12. multilayer coating device as claimed in claim 8 also comprises a displacement device, it is arranged on the described base, is used to change the position of base.
13. multilayer coating device as claimed in claim 12, wherein, displacement device comprises a base fixed part, is used for base is fixed on the ground; And a wheel, be installed in movably on the base fixed part, be used for the position of movable base.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR59105/96 | 1996-12-27 | ||
| KR2019960059105U KR200258244Y1 (en) | 1996-12-27 | 1996-12-27 | Multilayer Film Coating Device of Cathode Ray Tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1186322A true CN1186322A (en) | 1998-07-01 |
Family
ID=19484349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97125470A Pending CN1186322A (en) | 1996-12-27 | 1997-12-08 | Multilayer coating device for cathode ray tube |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200258244Y1 (en) |
| CN (1) | CN1186322A (en) |
-
1996
- 1996-12-27 KR KR2019960059105U patent/KR200258244Y1/en not_active IP Right Cessation
-
1997
- 1997-12-08 CN CN97125470A patent/CN1186322A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR200258244Y1 (en) | 2002-04-22 |
| KR19980045963U (en) | 1998-09-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |