CN109061826A - The packaging method of low-light picture pipe - Google Patents
The packaging method of low-light picture pipe Download PDFInfo
- Publication number
- CN109061826A CN109061826A CN201810971344.5A CN201810971344A CN109061826A CN 109061826 A CN109061826 A CN 109061826A CN 201810971344 A CN201810971344 A CN 201810971344A CN 109061826 A CN109061826 A CN 109061826A
- Authority
- CN
- China
- Prior art keywords
- low
- light picture
- pipe
- picture pipe
- vacuum
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
Abstract
The invention discloses a kind of packaging methods of low-light picture pipe, comprising: carries out blasting treatment to naked pipe outer surface using sand-blasting machine；Conducting wire is neatly welded on naked pipe, accessory bonding is assembled in using glue, the low-light picture pipe that assembling is completed is cleaned using dehydrated alcohol on the naked pipe of welding lead and blows off remaining dehydrated alcohol；Viscose glue is poured into encapsulating cylinder, encapsulating cylinder is fixed on by low-light picture pipe upper end by fixture；It will be put into vacuum (-tight) housing and vacuumize by the fixed encapsulating cylinder of fixture and low-light picture pipe；Drying in oven will be put by the fixed encapsulating cylinder of fixture and low-light picture pipe；Secondary cleaning is carried out to low-light picture pipe；Low-light picture pipe is placed in and is dried at room temperature, insulated ring is bonded on low-light picture pipe using insulative glue.The packaging method of low-light picture pipe of the invention, it is ensured that the low-light picture pipe produced has good leakproofness and insulating properties, improves the package quality of low-light picture pipe, achieves good using effect in actual application.
Description
Technical field
The present invention relates to processing and manufacturing technology more particularly to a kind of packaging methods of low-light picture pipe.
Background technique
The range that low-light picture pipe uses is very extensive, is the product that a kind of use scope covers Military and civil fields.However right
During low-light picture pipe is packaged, since residual fraction is empty in the low-light picture pipe after the defective-package of conventional packaging method
Gas, it is also possible to which the low-light picture pipe for causing production to obtain leads to short circuit because of insulating properties deficiency, causes the product quality of low-light picture pipe
It is not high.Thus, the existing method being packaged to low-light picture pipe has that package quality is not high.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of packaging method of low-light picture pipe, purports
In the method for solving the problems, such as in the prior art to be packaged low-light picture pipe, that there are package qualities is not high.
To achieve the above object, specific technical solution is as follows by the present invention:
A kind of packaging method of low-light picture pipe, wherein the described method includes:
Blasting treatment is carried out to naked pipe outer surface using sand-blasting machine, and is carried out using naked pipe surface of the dry air pressure gun to sandblasting
Cleaning；
Conducting wire is neatly welded on naked pipe, accessory bonding is assembled on the naked pipe of welding lead using glue；
The low-light picture pipe that assembling is completed is cleaned using dehydrated alcohol, and will be residual on low-light picture pipe after cleaning by air pressure gun
The dehydrated alcohol stayed is blown off；
Viscose glue is poured into encapsulating cylinder, and encapsulating cylinder is fixed on to the low-light picture pipe upper end cleaned by fixture；
It will be put into vacuum (-tight) housing by the fixed encapsulating cylinder of fixture and low-light picture pipe, vacuum (-tight) housing vacuumized by vacuum machine
And maintain vacuum state；
It will be put into drying in oven by the fixed encapsulating cylinder of fixture and low-light picture pipe, by the low-light picture pipe after drying from fixture
It removes, viscose glue extra on low-light picture pipe is scraped off using scalpel；
Secondary cleaning is carried out to the low-light picture pipe that encapsulation is completed using dehydrated alcohol, and passes through air pressure gun for low-light picture pipe after cleaning
Upper remaining dehydrated alcohol is blown off, and the low-light picture pipe after secondary cleaning is placed in and is dried at room temperature；
Insulated ring is bonded on withering low-light picture pipe male and female face inner ring using insulative glue.
The packaging method of the low-light picture pipe, wherein the viscose glue is to carry out well-mixed DC170AB glue.
The packaging method of the low-light picture pipe, wherein the vacuum machine vacuumizes vacuum (-tight) housing and maintains vacuum
State, comprising:
Pressure in the vacuum (-tight) housing is not more than 0.3MPa, and the time of vacuum state is maintained to be not less than 15 points in the vacuum (-tight) housing
Clock.
The packaging method of the low-light picture pipe, wherein described to be put by the fixed encapsulating cylinder of fixture and low-light picture pipe
Enter drying in oven, comprising:
The oven temperature is 45-55 DEG C, and the drying time is not less than 24 hours.
The packaging method of the low-light picture pipe, wherein the low-light picture pipe by after secondary cleaning is placed in be done at room temperature
It is dry, comprising:
The room temperature is 23-27 DEG C, and the time of the drying is not less than 15 minutes.
The packaging method of the low-light picture pipe, wherein the edge glue is 70 insulating cement of PLASTI.
The packaging method of the low-light picture pipe, wherein it is described that blasting treatment is carried out to naked pipe outer surface using sand-blasting machine,
Include:
The partial size of the blasting treatment sand grains is 100-150 mesh, and the time of the blasting treatment is 22-35 seconds.
The utility model has the advantages that
The packaging method of low-light picture pipe of the invention by carrying out blasting treatment to naked pipe outer surface, and welds conducting wire,
The encapsulating cylinder and low-light picture pipe that pour into viscose glue is fixed in fixture, will be put by the fixed encapsulating cylinder of fixture and low-light picture pipe
It is vacuumized in vacuum (-tight) housing, and low-light picture pipe is put into drying in oven, insulated ring is bonded in naked pipe using insulative glue
On, there is good leakproofness and insulating properties to ensure to produce obtained low-light picture pipe, improve the package quality of low-light picture pipe,
Good using effect is achieved in actual application.
Detailed description of the invention
Fig. 1 is the flow diagram of the packaging method of low-light picture pipe of the invention.
Specific embodiment
The present invention provides a kind of packaging method of low-light picture pipe, to make the purpose of the present invention, technical solution and effect more
Clear, clear, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only used to
It explains the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the flow diagram of the packaging method of low-light picture pipe of the invention.
A kind of packaging method of low-light picture pipe, wherein the described method includes:
S101, blasting treatment is carried out to naked pipe outer surface using sand-blasting machine, and using dry air pressure gun to the naked pipe table of sandblasting
It is cleaned in face.
More specifically, the partial size of blasting treatment sand grains is 100-150 mesh, and the time of the blasting treatment is 22-35 seconds,
Naked pipe is fixed in sand-blasting machine by naked pipe fixture, when carrying out blasting treatment, the pressure in sand-blasting machine is 0.25-0.35MPa.
S102, conducting wire is neatly welded on naked pipe, accessory bonding is assembled in the naked pipe of welding lead using glue
On.
Specifically, portion can be rotated clockwise to 30 °, another mistake hour hands rotate 30 °, so that glue when using glue bonding part
Water is more uniformly by adhering components on the naked pipe of welding lead.
S103, the low-light picture pipe that assembling is completed is cleaned using dehydrated alcohol, and will be micro- after cleaning by air pressure gun
Remaining dehydrated alcohol is blown off on light image pipe.
Low-light picture pipe is cleaned by dehydrated alcohol, and will be remaining anhydrous on low-light picture pipe after cleaning by air pressure gun
Ethyl alcohol is blown off, and can remove the impurity on low-light picture pipe, can't residual moisture, avoid moisture from making the quality of low-light picture pipe
At influence.
S104, viscose glue is poured into encapsulating cylinder, and encapsulating cylinder is fixed on to the low-light picture pipe upper end cleaned by fixture.
Wherein, viscose glue is to carry out well-mixed DC170AB glue.Fixture is for consolidating encapsulating cylinder and low-light picture pipe
It is fixed, specifically, encapsulating cylinder can be fixed on low-light picture pipe upper end by fixture, to keep the position of encapsulating cylinder Yu low-light picture pipe,
And the viscose glue in encapsulating cylinder is enable to flow into low-light picture pipe by gravity.The viscose glue poured into encapsulating cylinder is that encapsulating cylinder is total
The 3/4 of volume that is to say that encapsulating cylinder top leaves a blank 1/4.
S105, it will be put into vacuum (-tight) housing by the fixed encapsulating cylinder of fixture and low-light picture pipe, by vacuum machine to vacuum (-tight) housing
It is vacuumized and maintains vacuum state.
Wherein, the pressure in vacuum (-tight) housing is not more than 0.3MPa, and the time of vacuum state is maintained to be not less than 15 points in vacuum (-tight) housing
Clock.The air in vacuum (-tight) housing is discharged by vacuum machine, so that vacuum (-tight) housing maintains vacuum state, it is ensured that during carrying out encapsulating
Air in low-light picture pipe is extracted.
S106, it will be put into drying in oven by the fixed encapsulating cylinder of fixture and low-light picture pipe, the low-light picture that will have been dried
Pipe is removed from fixture, and viscose glue extra on low-light picture pipe is scraped off using scalpel.
Wherein, oven temperature is 45-55 DEG C, and drying time is not less than 24 hours.The low-light picture pipe of encapsulating will be completed
It is put into baking oven and is dried, so that viscose glue solidifies.
S107, secondary cleaning is carried out to the low-light picture pipe that encapsulation is completed using dehydrated alcohol, and will be cleaned by air pressure gun
Remaining dehydrated alcohol is blown off on low-light picture pipe afterwards, and the low-light picture pipe after secondary cleaning is placed in and is dried at room temperature.
Secondary cleaning is carried out to low-light picture pipe by dehydrated alcohol, and will be remaining on low-light picture pipe after cleaning by air pressure gun
Dehydrated alcohol is blown off, and can remove the impurity on low-light picture pipe, can't residual moisture, avoid moisture to the product of low-light picture pipe
Matter impacts.Specifically, the room temperature in drying process is 23-27 DEG C, the low-light picture pipe after secondary cleaning is placed at room temperature
The time being dried is not less than 15 minutes.Low-light picture pipe is placed in and is dried at room temperature, under the low-light picture pipe after drying can enter
One procedure carries out process operation.
S108, insulated ring is bonded on withering low-light picture pipe male and female face inner ring using insulative glue.
Wherein, used edge glue is 70 insulating cement of PLASTI.The insulation of PLASTI 70 is uniformly smeared on insulated ring
Insulated ring is carefully pasted onto low-light as on the inner ring of tube anode face using tangerine wooden stick by glue.
In conclusion the invention discloses a kind of packaging methods of low-light picture pipe, wherein the described method includes: using spray
Sand machine carries out blasting treatment to naked pipe outer surface, and is cleaned using naked pipe surface of the dry air pressure gun to sandblasting；It will lead
Line is neatly welded on naked pipe, and accessory bonding is assembled on the naked pipe of welding lead using glue；Use dehydrated alcohol pair
The low-light picture pipe that assembling is completed is cleaned, and by air pressure gun by remaining dehydrated alcohol is blown off on low-light picture pipe after cleaning；
Viscose glue is poured into encapsulating cylinder, and encapsulating cylinder is fixed on to the low-light picture pipe upper end cleaned by fixture；It will be consolidated by fixture
Fixed encapsulating cylinder and low-light picture pipe is put into vacuum (-tight) housing, is vacuumized by vacuum machine to vacuum (-tight) housing and maintains vacuum state；
It will be put into drying in oven by the fixed encapsulating cylinder of fixture and low-light picture pipe, the low-light picture pipe after drying is taken from fixture
Under, viscose glue extra on low-light picture pipe is scraped off using scalpel；The low-light picture pipe that encapsulation is completed is carried out using dehydrated alcohol
Secondary cleaning, and by air pressure gun by remaining dehydrated alcohol is blown off on low-light picture pipe after cleaning, by the low-light picture after secondary cleaning
Pipe is placed in be dried at room temperature；Insulated ring is bonded in withering low-light picture pipe male and female face inner ring using insulative glue
On.The packaging method of low-light picture pipe of the invention by carrying out blasting treatment to naked pipe outer surface, and welds conducting wire,
The encapsulating cylinder and low-light picture pipe that pour into viscose glue is fixed in fixture, will be put by the fixed encapsulating cylinder of fixture and low-light picture pipe
It is vacuumized in vacuum (-tight) housing, and low-light picture pipe is put into drying in oven, insulated ring is bonded in naked pipe using insulative glue
On, there is good leakproofness and insulating properties to ensure to produce obtained low-light picture pipe, improve the package quality of low-light picture pipe,
Good using effect is achieved in actual application.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (7)
1. a kind of packaging method of low-light picture pipe, which is characterized in that the described method includes:
Blasting treatment is carried out to naked pipe outer surface using sand-blasting machine, and is carried out using naked pipe surface of the dry air pressure gun to sandblasting
Cleaning；
Conducting wire is neatly welded on naked pipe, accessory bonding is assembled on the naked pipe of welding lead using glue；
The low-light picture pipe that assembling is completed is cleaned using dehydrated alcohol, and will be residual on low-light picture pipe after cleaning by air pressure gun
The dehydrated alcohol stayed is blown off；
Viscose glue is poured into encapsulating cylinder, and encapsulating cylinder is fixed on to the low-light picture pipe upper end cleaned by fixture；
It will be put into vacuum (-tight) housing by the fixed encapsulating cylinder of fixture and low-light picture pipe, vacuum (-tight) housing vacuumized by vacuum machine
And maintain vacuum state；
It will be put into drying in oven by the fixed encapsulating cylinder of fixture and low-light picture pipe, by the low-light picture pipe after drying from fixture
It removes, viscose glue extra on low-light picture pipe is scraped off using scalpel；
Secondary cleaning is carried out to the low-light picture pipe that encapsulation is completed using dehydrated alcohol, and passes through air pressure gun for low-light picture pipe after cleaning
Upper remaining dehydrated alcohol is blown off, and the low-light picture pipe after secondary cleaning is placed in and is dried at room temperature；
Insulated ring is bonded on withering low-light picture pipe male and female face inner ring using insulative glue.
2. the packaging method of low-light picture pipe according to claim 1, which is characterized in that the viscose glue is to be sufficiently mixed
DC170AB glue.
3. the packaging method of low-light picture pipe according to claim 1, which is characterized in that the vacuum machine carries out vacuum (-tight) housing
It vacuumizes and maintains vacuum state, comprising:
Pressure in the vacuum (-tight) housing is not more than 0.3MPa, and the time of vacuum state is maintained to be not less than 15 points in the vacuum (-tight) housing
Clock.
4. the packaging method of low-light picture pipe according to claim 1, which is characterized in that described by the filling fixed by fixture
Packing element and low-light picture pipe are put into drying in oven, comprising:
The oven temperature is 45-55 DEG C, and the drying time is not less than 24 hours.
5. the packaging method of low-light picture pipe according to claim 1, which is characterized in that the low-light by after secondary cleaning
It is dried at room temperature as pipe is placed in, comprising:
The room temperature is 23-27 DEG C, and the time of the drying is not less than 15 minutes.
6. the packaging method of low-light picture pipe according to claim 1, which is characterized in that the edge glue is PLASTI 70
Insulating cement.
7. the packaging method of low-light picture pipe according to claim 1, which is characterized in that it is described using sand-blasting machine to naked pipe outside
Surface carries out blasting treatment, comprising:
The partial size of the blasting treatment sand grains is 100-150 mesh, and the time of the blasting treatment is 22-35 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971344.5A CN109061826A (en) | 2018-08-24 | 2018-08-24 | The packaging method of low-light picture pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971344.5A CN109061826A (en) | 2018-08-24 | 2018-08-24 | The packaging method of low-light picture pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109061826A true CN109061826A (en) | 2018-12-21 |
Family
ID=64756873
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810971344.5A Pending CN109061826A (en) | 2018-08-24 | 2018-08-24 | The packaging method of low-light picture pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885861A (en) * | 2020-06-03 | 2020-11-03 | 北方夜视技术股份有限公司 | Automatic door control image intensifier shell and manufacturing and mounting method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201057536Y (en) * | 2007-04-17 | 2008-05-07 | 中国科学院西安光学精密机械研究所 | X-ray testing apparatus used for electric assembly fault detection |
| CN202142493U (en) * | 2011-07-14 | 2012-02-08 | 北方夜视技术股份有限公司 | High-gain LLL (Low-Light-Level) image intensifier |
| CN202180399U (en) * | 2011-06-23 | 2012-04-04 | 华星集团环保产业发展有限公司 | Automatic polish glue-removing machine for picture tube |
| CN102489819A (en) * | 2011-12-26 | 2012-06-13 | 北方夜视科技集团有限公司 | Fluctuated tube body solder vacuum pouring device |
| CN102807824A (en) * | 2012-08-27 | 2012-12-05 | 云南光电辅料有限公司 | Image intensifier insulating sealing adhesive and preparation method thereof |
| CN202651116U (en) * | 2012-06-19 | 2013-01-02 | 北方夜视技术股份有限公司 | Micro optical image intensifying CCD |
| CN103624035A (en) * | 2012-08-23 | 2014-03-12 | 北方夜视技术股份有限公司 | Method for cleaning tool for manufacturing cathode of low-light-level image intensifier |
| CN104319214A (en) * | 2014-09-30 | 2015-01-28 | 北京空间机电研究所 | Packaging method of anti-vibration type photoelectric detector |
| CN105869974A (en) * | 2016-04-08 | 2016-08-17 | 北方夜视技术股份有限公司 | Integral assembly method for low-light image intensifier |
| CN106783467A (en) * | 2016-12-27 | 2017-05-31 | 北京汉元诺科技有限公司 | A kind of method that use gallium arsenide wafer makes three-generation image enhancer |
| CN106784386A (en) * | 2017-01-13 | 2017-05-31 | 纳晶科技股份有限公司 | Encapsulating structure, method for packing and electroluminescent device |
| CN108166050A (en) * | 2017-12-25 | 2018-06-15 | 西安赛尔电子材料科技有限公司 | A kind of spininess glass sealing photoelectron shell surface processing method |
| CN108253841A (en) * | 2018-01-17 | 2018-07-06 | 江苏北方湖光光电有限公司 | Image intensifier mounting structure and lll sight |
-
2018
- 2018-08-24 CN CN201810971344.5A patent/CN109061826A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201057536Y (en) * | 2007-04-17 | 2008-05-07 | 中国科学院西安光学精密机械研究所 | X-ray testing apparatus used for electric assembly fault detection |
| CN202180399U (en) * | 2011-06-23 | 2012-04-04 | 华星集团环保产业发展有限公司 | Automatic polish glue-removing machine for picture tube |
| CN202142493U (en) * | 2011-07-14 | 2012-02-08 | 北方夜视技术股份有限公司 | High-gain LLL (Low-Light-Level) image intensifier |
| CN102489819A (en) * | 2011-12-26 | 2012-06-13 | 北方夜视科技集团有限公司 | Fluctuated tube body solder vacuum pouring device |
| CN202651116U (en) * | 2012-06-19 | 2013-01-02 | 北方夜视技术股份有限公司 | Micro optical image intensifying CCD |
| CN103624035A (en) * | 2012-08-23 | 2014-03-12 | 北方夜视技术股份有限公司 | Method for cleaning tool for manufacturing cathode of low-light-level image intensifier |
| CN102807824A (en) * | 2012-08-27 | 2012-12-05 | 云南光电辅料有限公司 | Image intensifier insulating sealing adhesive and preparation method thereof |
| CN104319214A (en) * | 2014-09-30 | 2015-01-28 | 北京空间机电研究所 | Packaging method of anti-vibration type photoelectric detector |
| CN105869974A (en) * | 2016-04-08 | 2016-08-17 | 北方夜视技术股份有限公司 | Integral assembly method for low-light image intensifier |
| CN106783467A (en) * | 2016-12-27 | 2017-05-31 | 北京汉元诺科技有限公司 | A kind of method that use gallium arsenide wafer makes three-generation image enhancer |
| CN106784386A (en) * | 2017-01-13 | 2017-05-31 | 纳晶科技股份有限公司 | Encapsulating structure, method for packing and electroluminescent device |
| CN108166050A (en) * | 2017-12-25 | 2018-06-15 | 西安赛尔电子材料科技有限公司 | A kind of spininess glass sealing photoelectron shell surface processing method |
| CN108253841A (en) * | 2018-01-17 | 2018-07-06 | 江苏北方湖光光电有限公司 | Image intensifier mounting structure and lll sight |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885861A (en) * | 2020-06-03 | 2020-11-03 | 北方夜视技术股份有限公司 | Automatic door control image intensifier shell and manufacturing and mounting method thereof |
| CN111885861B (en) * | 2020-06-03 | 2021-08-13 | 北方夜视技术股份有限公司 | Automatic door control image intensifier shell and manufacturing and mounting method thereof |
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