CN104051204B - Use the method that plate glass manufactures oscilloscope tube glass bulb - Google Patents
Use the method that plate glass manufactures oscilloscope tube glass bulb Download PDFInfo
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- CN104051204B CN104051204B CN201410285293.2A CN201410285293A CN104051204B CN 104051204 B CN104051204 B CN 104051204B CN 201410285293 A CN201410285293 A CN 201410285293A CN 104051204 B CN104051204 B CN 104051204B
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- gluing
- glass bulb
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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
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Abstract
The present invention is the method using plate glass to manufacture oscilloscope tube glass bulb, comprises the technical steps that: (1) selects plate glass, and (2) are cut, polish, polished, (3) working flat plate glass and cone, (4) modulation glass powder with low melting point colloid, (5) gluing, (6) it is dried, (7) roasting.Advantage: the oscillography glass bulb that this method produces uses in the 200MHz oscilloscope tube that my company produces, and reduces glass bulb production cost, improves fluorescent screen quality.Decrease the oscillography tube panel matter waste product produced due to glass bulb defect, improve the qualification rate that oscilloscope tube produces, make product quality reach international standards, in addition to meeting domestic market demand, also find a good sale in the areas such as America and Europe and Southeast Asia, and obtaining user's favorable comment, market application foreground is wide.
Description
Technical field
The present invention relates to a kind of method using plate glass to substitute disk like compacting screen manufacture oscilloscope tube glass bulb, belong to oscilloscope tube glass bulb production technical field.
Background technology
The glass bulb of oscilloscope tube is generally made up of glass, and the electron-optical system of oscilloscope tube is sealed in evacuated glass bulb, and fluorescent material gluing is on glass bulb inner surface.When oscilloscope tube works, electron-optical system divergent bundle, and modulate signals on electron beam by deflecting plates so that it is on fluorescent screen, demonstrate detected signal waveform.Therefore oscilloscope tube glass bulb not only acts as the effect keeping the vacuum needed for oscilloscope tube work, also acts as the effect of display screen.The glass bulb of oscilloscope tube is typically made up of screen, cone, neck three part, and cone, neck are suppressed according to required form, and the screen of the glass bulb of existing oscilloscope tube uses and is pressed into disk like screen, as shown in Figure 1.Existing disk like screen and cone, neck use flame to seal after adding heat fusing.Due to the supporting body that disk like screen is fluorescent material gluing, its quality has decisive influence to the display quality of oscilloscope tube, so the requirement to disk like screen is the highest, is not allow for the various defects such as the bubble of impact observation, acrobatics, projection, pit.The manufacture method of disk like compacting screen, mould compacting can only be taked to form owing to its shape just determines it, but during mould is suppressed, quality, glass melting, glass batch materials, glass pressing process and glass annealing etc. to mould have strict requirements, because they all directly affect the quality of oscilloscope tube glass bulb, thus also determine the qualification rate of product and the quality of product.
Summary of the invention
What the present invention proposed is a kind of method using plate glass to substitute disk like compacting screen manufacture oscilloscope tube glass bulb, thus can effectively overcome the drawbacks described above existing for prior art.
The technical solution of the present invention: the method using plate glass to manufacture oscilloscope tube glass bulb, comprises the technical steps that:
(1) selecting plate glass, its thickness, the coefficient of expansion, light transmittance, surface smoothness meet use requirement；
(2) cutting, polish, polish, bulk plate glass is cut to conform to the small plate glass that oscilloscope tube screen size requires, is polishing to by facet smooth, glass planar is processed by shot blasting；
(3) selection check is qualified plate glass and cone prepare bonding；
(4) modulation glass powder with low melting point colloid: take 1kg glass powder with low melting point in impregnation cup, adds 100ml guncotton liquid, stirs with glass rod, be added in the syringe of glue spreader by the glass powder with low melting point colloid mixed up, and be properly mounted on glue spreader；
(5) gluing: press glue spreader inching button, makes glass powder with low melting point colloid flow out from glue spreader, regulates air pressure control handle, adjusting glue spreader pressure is 0.02MPa, makes colloid flow out the most equably, cone is placed in gluing support, pressing operation button, machine will complete gluing work；
(6) being dried, it is desirable to colloid gluing is uniform, full, the colloid application blade of trickling to pyramid side is removed, and takes out after cone gluing from gluing support, is placed in product tote cart and is dried 3 days, and drying shed temperature controls at 25 DEG C ± 5 DEG C；
(7) roasting；
1) the gluing cone brush cleaning coated face of 3 days will be dried；
2) cone is placed on sintering bracket, and outwardly, inwardly, the bottom of cone is held by pole on little limit on the big limit of cone；
3) adjust cone, by qualified plate glass cover in cone, load onto screen location mould, adjust screen location mould set screw, cone is alignd.During entering furnace operating, it is to avoid the displacement of cone；
4) glass bulb assembled being put into tunnel roasting in kilns, sintering temperature is 420 DEG C, and tunnel cave network speed is (15 ± 0.2) cm/min, makes plate glass bond together with cone by roasting；
5) come out of the stove after glass bulb is sintered, unscrew set screw, take off screen location mould, glass bulb is taken out inspection from sintering bracket.
Advantages of the present invention:
1) plate glass is applicable to large-scale production, and price is far below disk like screen, can reduce the production cost of oscilloscope tube.
2) plate glass uses float glass process or glass tube down-drawing to produce, the plate glass produced by float glass process or glass tube down-drawing, substantially not having the defects such as bubble, acrobatics, projection, pit, flatness, light transmittance, the coefficient of expansion, THICKNESS CONTROL are also good compared with disk like screen, and the quality of oscilloscope tube screen is high.
3) require that disk like screen is designed with certain radian during the compacting of disk like screen, it is simple to the convenience of the glass mold demoulding, there is slight deformation during oscilloscope tube display waveform, and plate glass is indeformable due to its surfacing, oscilloscope tube display waveform.
4) use plate glass, by low-melting glass adhesive technology, by plate glass together with glass neck processing, manufacture and be suitable for using the oscilloscope tube glass bulb required.
Accompanying drawing explanation
Fig. 1 is oscilloscope tube disk like screen glass bulb schematic diagram.
Fig. 2 is oscilloscope tube plate glass screen glass bulb schematic diagram.
In figure 1 is neck, 2 is cone, 3 is disk like screen, 4 is plate glass screen.
Detailed description of the invention
Comparison accompanying drawing 2, its structure is made up of plate glass screen 4, cone 2, neck 1 three part.
The manufacture method of oscilloscope tube plate glass screen glass bulb uses in the 15SJ118Y14 type 20MHz oscilloscope tube that my company produces, and this model oscilloscope tube is largely used in colleges and universities' oscillograph, instead of the oscilloscope tube of disk like screen glass bulb the most completely.
Application
The oscillography glass bulb that the method produces uses in the 20MHz oscilloscope tube that my company produces, and reduces glass bulb production cost, improves fluorescent screen quality.Decrease the oscillography tube panel matter waste product produced due to glass bulb defect, improve the qualification rate that oscilloscope tube produces, make product quality reach international standards, in addition to meeting domestic market demand, also find a good sale in the areas such as America and Europe and Southeast Asia, and obtaining user's favorable comment, market application foreground is wide.
Claims (1)
1. the method using plate glass to manufacture oscilloscope tube glass bulb, is characterized in that the method comprises the technical steps that:
(1) selecting plate glass, its thickness, the coefficient of expansion, light transmittance, surface smoothness meet use requirement；
(2) cutting, polish, polish, bulk plate glass is cut to conform to the small plate glass that oscilloscope tube screen size requires, is polishing to by facet smooth, glass planar is processed by shot blasting；
(3) selection check is qualified plate glass and cone prepare bonding；
(4) modulation glass powder with low melting point colloid: take 1kg glass powder with low melting point in impregnation cup, adds 100ml guncotton liquid, stirs with glass rod, be added in the syringe of glue spreader by the glass powder with low melting point colloid mixed up, and be properly mounted on glue spreader；
(5) gluing: press glue spreader inching button, makes glass powder with low melting point colloid flow out from glue spreader, regulates air pressure control handle, adjusting glue spreader pressure is 0.02MPa, makes colloid flow out the most equably, cone is placed in gluing support, pressing operation button, machine will complete gluing work；
(6) being dried, it is desirable to colloid gluing is uniform, full, the colloid application blade of trickling to pyramid side is removed, and takes out after cone gluing from gluing support, is placed in product tote cart and is dried 3 days, and drying shed temperature controls at 25 DEG C ± 5 DEG C；
(7) roasting；
1) the gluing cone brush cleaning coated face of 3 days will be dried,
2) cone is placed on sintering bracket, and outwardly, inwardly, the bottom of cone is held by pole on little limit on the big limit of cone；
3) adjust cone, by qualified plate glass cover in cone, load onto screen location mould, adjust screen location mould set screw, cone is alignd；During entering furnace operating, it is to avoid the displacement of cone；
4) glass bulb assembled being put into tunnel roasting in kilns, sintering temperature is 420 DEG C, and tunnel cave network speed is (15 ± 0.2) cm/min, makes plate glass bond together with cone by roasting；
5) come out of the stove after glass bulb is sintered, unscrew set screw, take off screen location mould, glass bulb is taken out inspection from sintering bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285293.2A CN104051204B (en) | 2014-06-24 | 2014-06-24 | Use the method that plate glass manufactures oscilloscope tube glass bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285293.2A CN104051204B (en) | 2014-06-24 | 2014-06-24 | Use the method that plate glass manufactures oscilloscope tube glass bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104051204A CN104051204A (en) | 2014-09-17 |
| CN104051204B true CN104051204B (en) | 2016-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410285293.2A Expired - Fee Related CN104051204B (en) | 2014-06-24 | 2014-06-24 | Use the method that plate glass manufactures oscilloscope tube glass bulb |
Country Status (1)
| Country | Link |
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| CN (1) | CN104051204B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0626717A1 (en) * | 1993-05-19 | 1994-11-30 | Matsushita Electronics Corporation | A color cathode ray tube |
| CN2606450Y (en) * | 2003-01-27 | 2004-03-10 | 深圳市视得安科技实业股份有限公司 | Color kinescope |
| CN2606449Y (en) * | 2003-01-27 | 2004-03-10 | 深圳市视得安科技实业股份有限公司 | Desk kinescope |
-
2014
- 2014-06-24 CN CN201410285293.2A patent/CN104051204B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0626717A1 (en) * | 1993-05-19 | 1994-11-30 | Matsushita Electronics Corporation | A color cathode ray tube |
| CN2606450Y (en) * | 2003-01-27 | 2004-03-10 | 深圳市视得安科技实业股份有限公司 | Color kinescope |
| CN2606449Y (en) * | 2003-01-27 | 2004-03-10 | 深圳市视得安科技实业股份有限公司 | Desk kinescope |
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|---|---|
| CN104051204A (en) | 2014-09-17 |
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Granted publication date: 20161102 Termination date: 20200624 |