CN105127324A - Anti-corrosion hot drawing process of steel bottles - Google Patents
Anti-corrosion hot drawing process of steel bottles Download PDFInfo
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- CN105127324A CN105127324A CN201510625343.1A CN201510625343A CN105127324A CN 105127324 A CN105127324 A CN 105127324A CN 201510625343 A CN201510625343 A CN 201510625343A CN 105127324 A CN105127324 A CN 105127324A
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Abstract
The invention discloses an anti-corrosion hot drawing process of steel bottles. The anti-corrosion hot drawing process comprises the steps of sorting, solution treatment of a fixed mold, polishing, drawing, closing-up, cleaning and the like. A polished blank is subjected to first-time hot drawing, solution treatment is performed after first-time hot drawing, then second-time hot drawing is performed, the blank subjected to second-time hot drawing is further subjected to third-time hot drawing sizing, and pressure maintaining treatment is carried out during third-time hot drawing sizing. The integral quality of the steel bottles is guaranteed through repeated drawing and solution treatment.
Description
Technical field
The present invention relates to gas cylinder processing technique field, specifically a kind of anticorrosion steel cylinder Hot drawing technique.
Background technology
As clean energy resource, natural gas is widely used in every field, no matter be that life production all plays key player.Accordingly, the development of the pressure vessel of filling natural gas compressing gas just seems particularly necessary, due to the inflammable and explosive characteristic of natural gas, very high to its bubble-tight requirement of container.The technique of bad manufacture can cause the Wall-Thickness Difference of container bottle excessive, and the difference in quality of seamless cylinder is very large, equally, if temperature controls to cause bottom gas cylinder for bad time and leaks gas when hot spinning receives the end in large batch of production process, leaves major safety risks.
Summary of the invention
The present invention aims to provide a kind of anticorrosion steel cylinder Hot drawing technique, to solve the problem.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of anticorrosion steel cylinder Hot drawing technique, is characterized in that, comprise the following steps:
Select materials: select 316 stainless steel materials as blank, carry out Size calculation according to steel cylinder size, then according to the target size after calculating, blank is cut into plectane with cutting machine;
Cover half: select Hot drawing mould according to the plectane after cutting, mould at least has the mould position that three degree of depth are deepened successively, and is fixed on clapper die spotting press by mould, and cleaning die;
Solution treatment: the plectane after cutting is carried out solution treatment, keeps temperature 1850-2050 °F, 30 minutes duration or more, then cools rapidly;
Polishing: carry out surface finish, sanding burr is clean;
Drawing: the blank after polishing is placed in the minimum mould position of die depth, open clapper die spotting press, be warming up to 550 DEG C ~ 650 DEG C, carry out first time Hot drawing, above-mentioned solutionizing step is carried out again for the first time after Hot drawing, again blank is placed in mould and carries out second time Hot drawing, blank after second heat drawing is carried out third time Hot drawing school shape, carry out pressurize process when third time Hot drawing school shape;
Close up: by the gas cylinder semi-finished product after drawing at 1900-2350 °F of temperature, squeeze out bottleneck by mould;
Cleaning: acid solution is injected into metal bottle inner chamber, fills rear maintenance 15 minutes, finally discharge acid solution.
Further, described drawing step, in forming process, needs after each drawing to observe the drawing state of part, need carry out smoothing wrinkle process, then carry out drawing next time if there is fold.
Further, described drawing step, first time drawing up to final drawing and forming residue 20mm ~ 30mm height, second time drawing is up to final drawing and forming 5 ~ 8mm height.
Further, described drawing step keeps deep drawing speed to be 80 ~ 110mm/min.
Beneficial effect of the present invention is: effectively improve rolling accuracy by repeatedly load-unload process, make the steel cylinder wall thickness accuracy error not super many 2% of drawing aftershaping, and adopt 316 stainless steels, can effective anticorrosive oxidation, avoid the problem of steel cylinder shortening in service life in specific environment, have employed acid solution to clean, go out the iron filings on top layer, make it more attractive in appearance.
Detailed description of the invention
Below by specific embodiment, the present invention will be further described.
A kind of anticorrosion steel cylinder Hot drawing technique, is characterized in that, comprise the following steps:
Select materials: select 316 stainless steel materials as blank, carry out Size calculation according to steel cylinder size, then according to the target size after calculating, blank is cut into plectane with cutting machine;
Cover half: select Hot drawing mould according to the plectane after cutting, mould at least has the mould position that three degree of depth are deepened successively, and is fixed on clapper die spotting press by mould, and cleaning die;
Solution treatment: the plectane after cutting is carried out solution treatment, keeps temperature 1850-2050 °F, 30 minutes duration or more, then cools rapidly;
Polishing: carry out surface finish, sanding burr is clean;
Drawing: the blank after polishing is placed in the minimum mould position of die depth, open clapper die spotting press, be warming up to 550 DEG C ~ 650 DEG C, carry out first time Hot drawing, above-mentioned solutionizing step is carried out again for the first time after Hot drawing, again blank is placed in mould and carries out second time Hot drawing, blank after second heat drawing is carried out third time Hot drawing school shape, carry out pressurize process when third time Hot drawing school shape; Described drawing step, in forming process, needs after each drawing to observe the drawing state of part, need carry out smoothing wrinkle process, then carry out drawing next time if there is fold.Described drawing step, first time drawing up to final drawing and forming residue 20mm ~ 30mm height, second time drawing is up to final drawing and forming 5 ~ 8mm height.Described drawing step keeps deep drawing speed to be 80 ~ 110mm/min.
Close up: by the gas cylinder semi-finished product after drawing at 1900-2350 °F of temperature, squeeze out bottleneck by mould;
Cleaning: acid solution is injected into metal bottle inner chamber, fills rear maintenance 15 minutes, finally discharge acid solution.The present invention effectively improves rolling accuracy by repeatedly load-unload process, make the steel cylinder wall thickness accuracy error not super many 2% of drawing aftershaping, and adopt 316 stainless steels, can effective anticorrosive oxidation, avoid the problem of steel cylinder shortening in service life in specific environment, have employed acid solution to clean, go out the iron filings on top layer, make it more attractive in appearance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an anticorrosion steel cylinder Hot drawing technique, is characterized in that, comprise the following steps:
Select materials: select 316 stainless steel materials as blank, carry out Size calculation according to steel cylinder size, then according to the target size after calculating, blank is cut into plectane with cutting machine;
Cover half: select Hot drawing mould according to the plectane after cutting, mould at least has the mould position that three degree of depth are deepened successively, and is fixed on clapper die spotting press by mould, and cleaning die;
Solution treatment: the plectane after cutting is carried out solution treatment, keeps temperature 1850-2050 °F, 30 minutes duration or more, then cools rapidly;
Polishing: carry out surface finish, sanding burr is clean;
Drawing: the blank after polishing is placed in the minimum mould position of die depth, open clapper die spotting press, be warming up to 550 DEG C ~ 650 DEG C, carry out first time Hot drawing, above-mentioned solutionizing step is carried out again for the first time after Hot drawing, again blank is placed in mould and carries out second time Hot drawing, blank after second heat drawing is carried out third time Hot drawing school shape, carry out pressurize process when third time Hot drawing school shape;
Close up: by the gas cylinder semi-finished product after drawing at 1900-2350 °F of temperature, squeeze out bottleneck by mould;
Cleaning: acid solution is injected into metal bottle inner chamber, fills rear maintenance 15 minutes, finally discharge acid solution.
2. anticorrosion steel cylinder Hot drawing technique according to claim 1, it is characterized in that: described drawing step is in forming process, need after each drawing to observe the drawing state of part, need smoothing wrinkle process be carried out if there is fold, then carry out drawing next time.
3. anticorrosion steel cylinder Hot drawing technique according to claim 1, is characterized in that: described drawing step, first time drawing up to final drawing and forming residue 20mm ~ 30mm height, second time drawing is up to final drawing and forming 5 ~ 8mm height.
4. anticorrosion steel cylinder Hot drawing technique according to claim 1, is characterized in that: described drawing step keeps deep drawing speed to be 80 ~ 110mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625343.1A CN105127324A (en) | 2015-09-28 | 2015-09-28 | Anti-corrosion hot drawing process of steel bottles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625343.1A CN105127324A (en) | 2015-09-28 | 2015-09-28 | Anti-corrosion hot drawing process of steel bottles |
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| CN105127324A true CN105127324A (en) | 2015-12-09 |
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| CN201510625343.1A Pending CN105127324A (en) | 2015-09-28 | 2015-09-28 | Anti-corrosion hot drawing process of steel bottles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270260A (en) * | 2016-08-30 | 2017-01-04 | 成都市翻鑫家科技有限公司 | A kind of steel cylinder deep-drawing technique |
| CN106424429A (en) * | 2016-08-30 | 2017-02-22 | 成都市翻鑫家科技有限公司 | Anti-corrosion steel cylinder hot drawing technology |
| CN107891103A (en) * | 2017-10-31 | 2018-04-10 | 无锡市金卡印刷厂 | The preparation technology of the tea can of canister packaging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012906A (en) * | 2009-07-31 | 2011-02-09 | (주)일진에너지 | Manufacturing method of titanium end plate |
| CN102588734A (en) * | 2012-03-06 | 2012-07-18 | 姜将 | Manufacturing process of metal bottle with air-tight seal |
| CN104384284A (en) * | 2014-09-11 | 2015-03-04 | 中材科技(成都)有限公司 | Drawing production process of CNG encircled gas bottle liner |
| CN104874661A (en) * | 2015-06-17 | 2015-09-02 | 沈阳飞机工业（集团）有限公司 | Thermal deep-drawing forming machining method for titanium alloy parts |
-
2015
- 2015-09-28 CN CN201510625343.1A patent/CN105127324A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110012906A (en) * | 2009-07-31 | 2011-02-09 | (주)일진에너지 | Manufacturing method of titanium end plate |
| CN102588734A (en) * | 2012-03-06 | 2012-07-18 | 姜将 | Manufacturing process of metal bottle with air-tight seal |
| CN104384284A (en) * | 2014-09-11 | 2015-03-04 | 中材科技(成都)有限公司 | Drawing production process of CNG encircled gas bottle liner |
| CN104874661A (en) * | 2015-06-17 | 2015-09-02 | 沈阳飞机工业（集团）有限公司 | Thermal deep-drawing forming machining method for titanium alloy parts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270260A (en) * | 2016-08-30 | 2017-01-04 | 成都市翻鑫家科技有限公司 | A kind of steel cylinder deep-drawing technique |
| CN106424429A (en) * | 2016-08-30 | 2017-02-22 | 成都市翻鑫家科技有限公司 | Anti-corrosion steel cylinder hot drawing technology |
| CN107891103A (en) * | 2017-10-31 | 2018-04-10 | 无锡市金卡印刷厂 | The preparation technology of the tea can of canister packaging |
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Application publication date: 20151209 |
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