CN102560403A - Method for modifying inner surface of bottle-shaped workpiece - Google Patents
Method for modifying inner surface of bottle-shaped workpiece Download PDFInfo
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- CN102560403A CN102560403A CN2010106164628A CN201010616462A CN102560403A CN 102560403 A CN102560403 A CN 102560403A CN 2010106164628 A CN2010106164628 A CN 2010106164628A CN 201010616462 A CN201010616462 A CN 201010616462A CN 102560403 A CN102560403 A CN 102560403A
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- ampuliform
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- hollow edged
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Abstract
The invention relates to a method for modifying the inner surface of a bottle-shaped workpiece. The method comprises the following steps of: placing the bottle-shaped workpiece in a vacuum chamber; coaxially arranging a columnar electrode and a tubular electrode in the bottle-shaped workpiece from inside to outside; adding ceramic between the columnar electrode and the tubular electrode for insulation; filling working gas into a bottle by the electrodes; connecting the two electrodes with a radio frequency or DC (direct current) power supply; generating uniformly distributed steady-state plasmas in the bottle; and simultaneously ensuring the electrodes and the bottle-shaped workpiece to relatively rotate so as to more uniformly deposit ions on the inner surface of the bottle-shaped workpiece. According to the method disclosed by the invention, uniform deposition on the inner surface of the bottle can be implemented. The method is suitable for carrying out modification treatment on the inner surfaces of beverage bottles and various like workpieces.
Description
Technical field
The present invention relates to the method for a kind of ampuliform work piece inner surface modification, particularly to the method for the modifying inner surface of packing bottle such as Plastic Bottle.
Background technology
Lower temperature plasma technology arises at the historic moment with the development of contemporary high-tech art; Forward position research field as a subject crossing; In short more than 20 years since rising, series of new techniques, novel process have been opened in fields such as the development of chemosynthesis, novel material, surface treatments.Contain multiple high energy active particles such as various ions, excited state molecule, radical and photon in the plasma body, the impact effect that the energy of plasma body can be through radiation, neutral particle stream and ionic current makes material surface acquisition modification in material surface.At present; Plasma technique is obtaining the better industrial application aspect the processing outer surface; But irregularly shaped material for example inner the because problems such as shielding, shade and plasma distribution uniformity of electric field of ampuliform or tubular material make to be difficult to realize bottle or the inner plasma treatment of pipe fitting.Yet the part with complicated inner surface can be found everywhere in practical application.About the work piece inner surface treatment technology; The applicant has carried out test of long duration and theoretical investigation; Concurrent epiphase closes patent; For example national inventing patent 200380110083.X number, No. 03105058.1 and utility model 200310113092.6 etc., but aforesaid method can only be handled the tubular workpiece of metal, for bottled workpiece particularly the ampuliform workpiece of non-metal kind can not handle.
Summary of the invention
In order to solve above-mentioned technical barrier, the present invention proposes the method for a kind of ampuliform work piece inner surface modification, particularly to the method for the modifying inner surface of packing bottle such as Plastic Bottle.
For the method for ampuliform work piece inner surface modification, above-mentioned technical problem is to solve like this: said ampuliform workpiece places Vakuumkammer, an interior hollow edged electrode and an outer tubular electrode; Coaxial arrangement is in said ampuliform workpiece from the inside to the outside; Cover one vitrified pipe between hollow edged electrode and the outer tubular electrode is connected said two hollow edged electrodes and radio-frequency power supply in said, is evacuated to certain pressure intensity; In Vakuumkammer, feed working gas then; Open radio-frequency power supply, in Vakuumkammer, produce an equally distributed vertically stable state radio-frequency plasma, thereby realize the processing of bottle modifying inner surface.
In aforesaid method, outer tubular electrode and the interior hollow edged electrode ampuliform interior that coexists has been avoided the shielding effect of electric field between the bottle counter electrode, thereby guarantees the uniform and stable property of discharge in the bottle.
A kind of improvement as aforesaid method; Insulate through vitrified pipe between described two hollow edged electrodes; Between interior hollow edged electrode, vitrified pipe and the outer tubular electrode for combining closely; The hollow edged electrode material is a kind of in copper, titanium and the stainless steel in said, and said outer tubular electrode is a kind of in graphite, titanium and the stainless steel.
As another improvement of aforesaid method, described working gas directly feeds in the bottle through interior hollow edged electrode.Working gas directly gets in the bottle, can guarantee that a bottle interior discharge carries out smoothly, and the making full use of of working gas.
As the further improvement of aforesaid method, described interior hollow edged electrode afterbody connects a right angle elbow, and the air outlet is perpendicular to the plane of said square elbow and said interior hollow edged electrode formation.
Another kind as aforesaid method improves, and between described outer tubular electrode and the said vitrified pipe certain slit is arranged, and said working gas gets in the bottle through said slit.
As another improvement of aforesaid method, be uniform-distribution with some apertures on the described outer tubular electrode.Aperture on the outer tubular electrode helps the gas in the bottle more even.
As the further improvement of aforesaid method, the direction of aperture and said outer tubular electrode surface are off plumbs on the described outer tubular electrode.
As further improving again of aforesaid method, relatively rotate between described ampuliform workpiece and the hollow edged electrode.
As further improving again of aforesaid method, described interior hollow edged electrode and vacuum-chamber wall common ground.
In sum; The invention has the advantages that: the method for ampuliform work piece inner surface of the present invention modification; Relatively rotate through air inlet gas circuit and hollow edged electrode and ampuliform workpiece in two electrodes system in the bottle and the interior bottle; Guarantee the generation of the inner homogeneous plasma of bottle, thereby the even modification that realizes the bottle internal surface is handled.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain:
Fig. 1 is the schematic diagram of ampuliform work piece inner surface method of modifying of the present invention
The accompanying drawing sign
1, ampuliform workpiece 2, outer tubular electrode 3, insulating ceramic pipe
4, interior hollow edged electrode 5, Vakuumkammer 6, radio-frequency power supply
7, gas cylinder 8, mechanical pump 9, sample table
Fig. 2 is an interior hollow edged electrode afterbody air outlet work synoptic diagram
The accompanying drawing sign
4-1, interior hollow edged electrode side-view 4-2, interior hollow edged electrode top view
Fig. 3 is outer tubular electrode pore position and shape synoptic diagram
Embodiment
The embodiment of the method for ampuliform work piece inner surface of the present invention modification is: as shown in Figure 1, ampuliform worker 1 is put on the sample table 9 of Vakuumkammer 5, and guarantee that ampuliform workpiece 1 is placed in the middle; Interior hollow edged electrode 4, insulating ceramic pipe 3 and outer tubular electrode 2 connect successively, are arranged in the ampuliform workpiece 1 closing vacuum chamber coaxially; Connect inlet pipe and motor wiring, open mechanical pump and vacuumized 5～20 minutes, treat that the Vakuumkammer internal gas pressure reaches 1～5Pa; In Vakuumkammer, feed working gas; Gas gets in the bottle from interior hollow edged electrode 4, and control air pressure is opened radio-frequency power supply at 5～100Pa; In bottle, produce an equally distributed vertically stable state radio-frequency plasma, thereby realize the processing of bottle modifying inner surface.
Improvement as aforesaid method; As shown in Figure 2; The afterbody of interior hollow edged electrode 4 connects a right angle elbow, and the air outlet can form swirling eddy later in the working gas entering bottle like this and flow into Vakuumkammer through bottleneck perpendicular to the plane of said square elbow and said interior hollow edged electrode formation.
Another improvement as aforesaid method; Between outer tubular electrode and the said vitrified pipe certain slit is arranged; Said working gas gets in the bottle through said slit, and is in order to increase the homogeneity of bottle interior gas, as shown in Figure 3; Bore some apertures outside on the hollow edged electrode, and the outgassing direction of aperture is not on the plane perpendicular to axle.
As another improvement of aforesaid method, relatively rotate between described ampuliform workpiece and the hollow edged electrode, so just can avoid causing ablation phenomen because of the violent discharge in part.
As improving again of aforesaid method, described interior hollow edged electrode and vacuum-chamber wall common ground.
Embodiment 1:
Bottle is put into Vakuumkammer, adopt intake method as shown in Figure 1, hollow edged electrode and outer tubular electrode in connecting, closing vacuum chamber; Opening the mechanical pump extracting vacuum 20 minutes, is working gas with methane and argon gas, and gas flow ratio is 1: 1, directly gets in the bottle from interior hollow edged electrode is inner; Control air pressure is 10Pa, opens radio-frequency power supply, the control capacittance coupling, and power input is 30W; 5 minutes working hours, close radio-frequency power supply, stop mechanical pump; The ampuliform workpiece is removed in open vacuum chamber after 10 minutes, disposes.
Embodiment 2:
Bottle is put into Vakuumkammer, adopt intake method as shown in Figure 2, hollow edged electrode and outer tubular electrode in connecting, closing vacuum chamber; Opening the mechanical pump extracting vacuum 20 minutes, is working gas with methane and argon gas, and gas flow ratio is 1: 2, and gas blows out from interior hollow edged electrode afterbody bend pipe; Helical flow goes out bottleneck then, and control air pressure is 50Pa, opens radio-frequency power supply, the control capacittance coupling; Power input is 50W, 2 minutes working hours, close radio-frequency power supply, and stop mechanical pump; The ampuliform workpiece is removed in open vacuum chamber after 10 minutes, disposes.
Embodiment 3:
Bottle is put into Vakuumkammer, adopt intake method as shown in Figure 3, hollow edged electrode and outer tubular electrode in connecting, closing vacuum chamber; Opening the mechanical pump extracting vacuum 20 minutes, is working gas with methane and argon gas, and gas flow ratio is 2: 1, and gas blows out through aperture from the outer tubular electrode inner wall; Get in the bottle, helical flow goes out bottleneck then, and control air pressure is 100Pa, opens radio-frequency power supply; The control capacittance coupling, power input is 100W, 10 minutes working hours, closes radio-frequency power supply; Stop mechanical pump, after 10 minutes the open vacuum chamber, removes the ampuliform workpiece, disposes.
Embodiment 4:
Bottle is put into Vakuumkammer, adopt intake method as shown in Figure 2, hollow edged electrode and outer tubular electrode in connecting, interior hollow edged electrode and Vakuumkammer be ground connection simultaneously; The mechanical pump extracting vacuum was opened 20 minutes by closing vacuum chamber, was working gas with acetylene and argon gas, and gas flow ratio is 1: 1; Gas blows out from interior hollow edged electrode afterbody bend pipe, and helical flow goes out bottleneck then, and control air pressure is 5Pa, opens radio-frequency power supply; The control capacittance coupling, power input is 200W, 20 minutes working hours, closes radio-frequency power supply; Stop mechanical pump, after 10 minutes the open vacuum chamber, removes the ampuliform workpiece, disposes.
To sum up, the invention provides the method for a kind of ampuliform work piece inner surface modification, method is easy, and is easy to operate, can realize ampuliform work piece inner surface modification uniformly and effectively processing, is applicable to that the modification of ampuliform workpiece such as carafe, Beer Bottle is handled.
Claims (9)
1. the method for ampuliform work piece inner surface modification, it is characterized in that: said ampuliform workpiece places Vakuumkammer, an interior hollow edged electrode and an outer tubular electrode; Coaxial arrangement is in said ampuliform workpiece from the inside to the outside; Cover one vitrified pipe between hollow edged electrode and the outer tubular electrode is connected said two hollow edged electrodes and radio-frequency power supply in said, is evacuated to certain pressure intensity; In Vakuumkammer, feed working gas then; Open radio-frequency power supply, in Vakuumkammer, produce an equally distributed vertically stable state radio-frequency plasma, thereby realize the processing of bottle modifying inner surface.
2. according to the method for the described ampuliform work piece inner surface of claim 1 modification; It is characterized in that: insulate through vitrified pipe between described two hollow edged electrodes; Between interior hollow edged electrode, vitrified pipe and the outer tubular electrode for combining closely; The hollow edged electrode material is a kind of in copper, titanium and the stainless steel in said, and said outer tubular electrode is a kind of in graphite, titanium and the stainless steel.
3. according to the method for the described ampuliform work piece inner surface of claim 1 modification, it is characterized in that: described working gas directly feeds in the bottle through interior hollow edged electrode.
4. according to the method for the described ampuliform work piece inner surface of claim 3 modification, it is characterized in that: the hollow edged electrode afterbody connects a right angle elbow in described, and the air outlet is perpendicular to the plane of said square elbow and said interior hollow edged electrode formation.
5. according to the method for the described ampuliform work piece inner surface of claim 1 modification, it is characterized in that: between described outer tubular electrode and the said vitrified pipe certain slit is arranged, said working gas gets in the bottle through said slit.
6. according to the method for the described ampuliform work piece inner surface of claim 4 modification, it is characterized in that: be uniform-distribution with some apertures on the described outer tubular electrode.
7. according to the method for the described ampuliform work piece inner surface of claim 5 modification, it is characterized in that: the direction of aperture and said outer tubular electrode surface are off plumbs on the described outer tubular electrode.
8. according to the method for the described ampuliform work piece inner surface of claim 1 modification, it is characterized in that: relatively rotate between described ampuliform workpiece and the hollow edged electrode.
9. according to the method for the described ampuliform work piece inner surface of claim 1 modification, it is characterized in that: hollow edged electrode and vacuum-chamber wall common ground in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106164628A CN102560403A (en) | 2010-12-31 | 2010-12-31 | Method for modifying inner surface of bottle-shaped workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106164628A CN102560403A (en) | 2010-12-31 | 2010-12-31 | Method for modifying inner surface of bottle-shaped workpiece |
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| CN102560403A true CN102560403A (en) | 2012-07-11 |
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| CN2010106164628A Pending CN102560403A (en) | 2010-12-31 | 2010-12-31 | Method for modifying inner surface of bottle-shaped workpiece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828172A (en) * | 2012-09-18 | 2012-12-19 | 大连交通大学 | Method for preparing SiO2 thin film by using plasma enhanced chemical vapor deposition (PECVD) method |
| CN105648424A (en) * | 2016-03-29 | 2016-06-08 | 北京航空航天大学 | Device and method for coating inner walls of hollow cathode discharge reducer metal tubes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206464A (en) * | 1987-02-23 | 1988-08-25 | Asahi Glass Co Ltd | Inline type composite surface treatment device |
| CN1414136A (en) * | 2002-09-30 | 2003-04-30 | 哈尔滨工业大学 | Tube type work piece inner surface beam ion implantation installation |
| CN1526852A (en) * | 2003-03-04 | 2004-09-08 | 中国科学院物理研究所 | Method and special apparatus for modifying inner surface of tubular workpiece |
-
2010
- 2010-12-31 CN CN2010106164628A patent/CN102560403A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63206464A (en) * | 1987-02-23 | 1988-08-25 | Asahi Glass Co Ltd | Inline type composite surface treatment device |
| CN1414136A (en) * | 2002-09-30 | 2003-04-30 | 哈尔滨工业大学 | Tube type work piece inner surface beam ion implantation installation |
| CN1526852A (en) * | 2003-03-04 | 2004-09-08 | 中国科学院物理研究所 | Method and special apparatus for modifying inner surface of tubular workpiece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828172A (en) * | 2012-09-18 | 2012-12-19 | 大连交通大学 | Method for preparing SiO2 thin film by using plasma enhanced chemical vapor deposition (PECVD) method |
| CN105648424A (en) * | 2016-03-29 | 2016-06-08 | 北京航空航天大学 | Device and method for coating inner walls of hollow cathode discharge reducer metal tubes |
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Application publication date: 20120711 |