CN110607525A - Phosphating treatment method for miniature gas cylinder - Google Patents
Phosphating treatment method for miniature gas cylinder Download PDFInfo
- Publication number
- CN110607525A CN110607525A CN201810612598.8A CN201810612598A CN110607525A CN 110607525 A CN110607525 A CN 110607525A CN 201810612598 A CN201810612598 A CN 201810612598A CN 110607525 A CN110607525 A CN 110607525A
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- CN
- China
- Prior art keywords
- gas cylinder
- bottle
- phosphating
- miniature gas
- miniature
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a phosphating method for a miniature gas cylinder, which comprises the steps of continuously stretching a selected steel plate twice, cutting flat, continuously stretching twice again, cutting flat again, removing oxide skin by high-frequency annealing, necking down, cutting flat for the third time, chamfering and drilling the miniature gas cylinder which is cut flat for the third time, rolling threads on the outer side of the bottleneck of the miniature gas cylinder, cleaning by ultrasonic waves, filling, monitoring the filled gas cylinder, trimming, cutting, shaping, externally processing and detecting by negative pressure to obtain the required miniature gas cylinder; and (3) injecting a phosphating solution into the ultrasonically cleaned micro gas cylinder, keeping the temperature at 50-80 ℃ for 25-35 min, taking out the gas cylinder after a protective film is formed in the gas cylinder, and filling. The invention provides a phosphating method for coating films on the inner wall and the outer wall of a miniature gas storage bottle, automatically generates a protective film, ensures the cleanness and the safety of the interior of the bottle body, and solves the problem that the bottle body is rusted after being placed for a long time.
Description
Technical Field
The invention relates to the field of production and manufacturing of miniature gas storage bottles, in particular to a phosphating treatment method for a miniature gas storage bottle.
Background
At present, a miniature gas cylinder used as a driving gas source or an auxiliary gas source is often used in beer inflators, lifeboats, automobile safety air bags, paintball guns and the like, and when the miniature gas cylinder sold in the market is used, the surface of the miniature gas cylinder needs to be directly punctured so that gas in the miniature gas cylinder can be released for use, and the sealing of the miniature gas cylinder is determined according to the use range of the miniature gas cylinder.
Most of the existing sealing methods for the miniature gas storage bottle adopt that carbon dioxide is hydraulically filled into the bottle, and then the bottle mouth is sealed by adopting a welding type sealing piece process, so that the efficiency is low, the controllability is not strong, and the precision is not high.
Therefore, the prior art has yet to be developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to solve the problem that the existing miniature gas cylinder is easy to rust and is not safe and sanitary enough when being stored for too long.
In order to achieve the purpose, the invention adopts the following technical scheme:
a phosphating method for a miniature gas cylinder comprises the following steps:
the selected steel plate is continuously stretched twice, the stretched bottle mouth is cut flat, the stretching is continuously performed twice again, the stretched bottle mouth is cut flat again,
then the micro gas storage bottle after twice cutting is subjected to high-frequency annealing, oxide skin is cut off, the mouth is reduced, the micro gas storage bottle after the mouth is reduced is subjected to third cutting and flattening,
drilling a chamfer on the micro gas storage bottle which is cut flat for the third time, rolling threads on the outer side of the neck of the micro gas storage bottle, ultrasonically cleaning, filling,
monitoring the filled gas storage bottle, trimming, cutting, externally processing and detecting negative pressure to obtain the required micro gas storage bottle;
and (3) injecting a phosphating solution into the ultrasonically cleaned micro gas cylinder, keeping the temperature at 50-80 ℃ for 25-35 min, taking out the gas cylinder after a protective film is formed in the gas cylinder, and filling.
Further, the selected steel plate is cut into round pieces.
Furthermore, a common hydraulic drawing machine is adopted for drawing the steel plate.
Furthermore, the bottle mouth adopts the instrument vehicle to cut the possible ripple mouth of bottle mouth flat, prevents that the bottle mouth from forming the breach.
Further, the chamfering and drilling integrated machine is adopted for chamfering and drilling the miniature gas storage bottle, so that gas can smoothly enter the bottle.
Furthermore, before filling after forming the protective film, the decomposition products of the micro gas storage bottle due to phosphating treatment are washed.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a phosphating method for coating films on the inner wall and the outer wall of a miniature gas storage bottle, which can automatically generate a protective film, ensure the cleanness, the sanitation and the safety of the interior of the bottle body and solve the problem that the bottle body is rusted after being placed for a long time.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
The invention provides a phosphating treatment method for a miniature gas cylinder, which comprises the following steps:
the selected steel plate is continuously stretched twice, the stretched bottle mouth is cut flat, the stretching is continuously performed twice again, the stretched bottle mouth is cut flat again,
then the micro gas storage bottle after twice cutting is subjected to high-frequency annealing, oxide skin is cut off, the mouth is reduced, the micro gas storage bottle after the mouth is reduced is subjected to third cutting and flattening,
drilling a chamfer on the micro gas storage bottle which is cut flat for the third time, rolling threads on the outer side of the neck of the micro gas storage bottle, ultrasonically cleaning, filling,
monitoring the filled gas storage bottle, trimming, cutting, externally processing and detecting negative pressure to obtain the required micro gas storage bottle;
and (3) injecting a phosphating solution into the ultrasonically cleaned micro gas cylinder, keeping the temperature at 50-80 ℃ for 25-35 min, taking out the gas cylinder after a protective film is formed in the gas cylinder, and filling.
Specifically, the selected steel plate is cut into a circular sheet.
Specifically, a common hydraulic stretcher is adopted for stretching the steel plate.
Specifically, the bottle opening is cut flat by adopting an instrument vehicle to cut off a corrugated opening possibly formed on the bottle opening, so that the bottle opening is prevented from forming a crack.
Specifically, the chamfering and drilling integrated machine is adopted for chamfering and drilling the miniature gas storage bottle, so that gas can enter the bottle more smoothly.
Specifically, before filling after forming the protective film, the decomposition products of the micro gas cylinder generated by phosphating treatment are washed.
During the concrete operation, the selected steel plate is cut into a circular sheet shape, the circular sheet-shaped steel plate is stretched twice in sequence, the stretched stretching opening is cut flat, the steel plate is stretched twice continuously after being cut flat, the circular sheet-shaped steel plate is in a bottle body shape, a corrugated opening is generated by stretching, then the corrugation of the bottle opening is cut flat again by using an instrument vehicle, then the cut flat bottle body is subjected to high-frequency annealing, the generated oxidation skin is cut off after the high-temperature annealing, the bottle body after the oxidation skin is cut off is subjected to necking by a necking machine, the bottle neck is shrunk, the bottle body is placed into the instrument vehicle, the bottle neck after the bottle body is shrunk is cut flat according to the required bottle body length, the corrugated opening is cut flat while the length is controlled, the specification uniformity of the bottle is kept, the end face is flattened, the bottle body is placed into a chamfering and drilling integrated machine for chamfering and drilling, gas can enter the bottle more smoothly during filling through drilling the bottle opening, chamfering a bottle opening, in order to enable the front end of the bottle opening to be thinner and be convenient to weld with a sealing piece, performing chamfering and drilling, then performing thread rolling on the outer side of the bottle neck of the bottle body, putting the bottle body after thread rolling into ultrasonic cleaning, cleaning oil stain broken iron scraps, injecting phosphating solution into a miniature gas storage bottle, keeping the temperature for 25-35 min at 50-80 ℃, taking out after a protective film is formed in the bottle, filling the miniature gas storage bottle after washing decomposed products of the miniature gas storage bottle generated by phosphating treatment, fixing the gas storage bottle by using a special inflation valve head in a filling process, melting steel materials of the bottle opening and the sealing piece through the high temperature of the inflation valve head while inflating the gas storage bottle, trimming and splitting the welded bottle body for shaping, performing external processing, detecting gas leakage under negative pressure, and checking whether the gas leakage is qualified or not.
The invention provides a phosphating method for coating films on the inner wall and the outer wall of the miniature gas storage bottle to perform phosphating treatment, automatically generates a protective film, ensures the cleanness and the safety of the interior of the bottle body, and solves the problem that the bottle body is rusted after being placed for a long time.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A phosphating method for the inner wall of a miniature gas cylinder is characterized by comprising the following steps:
the selected steel plate is continuously stretched twice, the stretched bottle mouth is cut flat, the stretching is continuously performed twice again, the stretched bottle mouth is cut flat again,
then the micro gas storage bottle after twice cutting is subjected to high-frequency annealing, oxide skin is cut off, the mouth is reduced, the micro gas storage bottle after the mouth is reduced is subjected to third cutting and flattening,
drilling a chamfer on the micro gas storage bottle which is cut flat for the third time, rolling threads on the outer side of the neck of the micro gas storage bottle, ultrasonically cleaning, filling,
monitoring the filled gas storage bottle, trimming, cutting, externally processing and detecting negative pressure to obtain the required miniature gas storage bottle;
and (3) injecting a phosphating solution into the ultrasonically cleaned micro gas cylinder, keeping the temperature at 50-80 ℃ for 25-35 min, taking out the gas cylinder after a protective film is formed in the gas cylinder, and filling.
2. The method for phosphating the inner wall of the miniature gas cylinder according to claim 1, wherein the method comprises the following steps: and cutting the selected steel plate into round pieces.
3. The method for phosphating the inner wall of the miniature gas cylinder according to claim 1, wherein the method comprises the following steps: and the steel plate is stretched by adopting a common hydraulic stretcher.
4. The method for phosphating the inner wall of the miniature gas cylinder according to claim 1, wherein the method comprises the following steps: the bottle mouth adopts the instrument vehicle to cut the ripple mouth that the bottle mouth probably appears and level, prevents that the bottle mouth from forming the breach.
5. The method for phosphorizing the inner wall of the miniature gas cylinder as claimed in claim 1, wherein: adopt chamfer drilling all-in-one to miniature gas bomb chamfer drilling to guarantee that gas more smoothly gets into in the bottle.
6. The method for phosphating the inner wall of the miniature gas cylinder according to claim 1, wherein the method comprises the following steps: and (4) before filling after the protective film is formed, washing decomposed products of the micro gas storage bottle, which are generated by phosphating treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612598.8A CN110607525A (en) | 2018-06-14 | 2018-06-14 | Phosphating treatment method for miniature gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612598.8A CN110607525A (en) | 2018-06-14 | 2018-06-14 | Phosphating treatment method for miniature gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110607525A true CN110607525A (en) | 2019-12-24 |
Family
ID=68887668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810612598.8A Pending CN110607525A (en) | 2018-06-14 | 2018-06-14 | Phosphating treatment method for miniature gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110607525A (en) |
-
2018
- 2018-06-14 CN CN201810612598.8A patent/CN110607525A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191224 |
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| WD01 | Invention patent application deemed withdrawn after publication |