CN107891211A - A kind of natural gas cutting sheet metal assemblies and metal plate perforation cutting method - Google Patents
A kind of natural gas cutting sheet metal assemblies and metal plate perforation cutting method Download PDFInfo
- Publication number
- CN107891211A CN107891211A CN201711222220.9A CN201711222220A CN107891211A CN 107891211 A CN107891211 A CN 107891211A CN 201711222220 A CN201711222220 A CN 201711222220A CN 107891211 A CN107891211 A CN 107891211A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- cutting
- natural gas
- oxygen air
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/002—Machines, apparatus, or equipment for cutting plane workpieces, e.g. plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/008—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of natural gas cutting sheet metal assemblies, including flame cutting nozzle and a plurality of gas circuit that is connected with flame cutting nozzle, a plurality of gas circuit respectively with cutting oxygen air inlet pipe, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe is corresponding connects；The propane air inlet pipe and natural gas air inlet pipe are connected to same gas buffering chamber, then are connected with corresponding gas circuit；The cutting oxygen air inlet pipe, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe are provided with magnetic valve.When the present invention solves natural gas cutting metallic plate, it is impossible to the problem of perforation cuts thick sheet metal and long aperture time.Catalyst and increase gas pressure are increased without, quick perforation cuts is realized using natural gas and propane transfer principle, natural gas is directly applied to Numerical control cutting machine equipment, and cost is minimum, security improves.
Description
Technical field
The present invention relates to a kind of natural gas cutting sheet metal assemblies, belong to Metal Cutting technical field.
Background technology
Metallic plate class gas flame cuttiug is presently mainly to utilize third bright, acetylene, natural gas.The cost of wherein natural gas is minimum,
And there is the advantages of safety and environmental protection.But natural gas is low there is calorific value as industrial cutting gas, in the unit interval caused by burning
The less problem of heat ratio.Typically needed using natural gas cutting steel plate metalloid since edge.If perforation is cut from centre
Cut, because combustion of natural gas does not reach temperature requirement, can not complete to perforate.In the prior art metal plate perforation is being carried out with natural gas
It is to increase catalyst in natural gas during cutting, and increases gas pressure, to accelerate natural gas and oxygen reaction speed, reaches
To temperature requirement in short-term, perforation cuts are realized, but cost increase is more.
The content of the invention
It is an object of the invention to provide a kind of natural gas cutting sheet metal assemblies, concrete scheme is：
A kind of natural gas cutting sheet metal assemblies, including flame cutting nozzle and a plurality of gas circuit that is connected with flame cutting nozzle are more
The connection corresponding with cutting oxygen air inlet pipe, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe respectively of bar gas circuit；Described third
Alkane air inlet pipe and natural gas air inlet pipe are connected to same gas buffering chamber, then are connected with corresponding gas circuit；The cutting oxygen enters
Tracheae, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe are provided with magnetic valve.
Further, the cutting oxygen air inlet pipe and preheating oxygen air inlet pipe are respectively connected with independent gas buffering chamber.
Further, each bar gas circuit is equipped with tempering valve.
The invention provides a kind of metal plate perforation cutting method, is to use above-mentioned natural gas cutting sheet metal assemblies,
And comprise the following steps：
1）Preheating, oxygen air inlet pipe is preheated by solenoid valve control and propane air inlet pipe is supplied and lighted a fire to flame cutting nozzle, is treated
The metallic plate of cutting is preheated；
2）Perforation, after the completion of preheating, control cutting oxygen air inlet pipe, preheating oxygen air inlet pipe and propane air inlet pipe supply, and adjust and cut
The supply gas pressure for cutting oxygen air inlet pipe is 1.0 ~ 1.3 MPa, enters eleven punch 11 to metallic plate to be cut；
3）Cutting, after the completion of perforation, control propane air inlet pipe stops supply, cutting oxygen air inlet pipe, preheating oxygen air inlet pipe and natural
Gas air inlet pipe supplies, and the supply gas pressure for adjusting cutting oxygen air inlet pipe is 0.7 ~ 0.9 MPa, and metallic plate to be cut is cut
Cut.
Further, step 2）The supply gas pressure of middle cutting oxygen air inlet pipe is 1.2 MPa.
Further, step 3）The supply gas pressure of middle cutting oxygen air inlet pipe is 0.8MPa.
The beneficial point of the present invention is：When the present invention solves natural gas cutting metallic plate, it is impossible to perforation cuts problem.No
With increase catalyst and increase gas pressure, quick perforation cuts are realized using natural gas and propane transfer principle, are made natural
Gas can be directly applied to Numerical control cutting machine equipment, and cost is minimum, and security improves.
Brief description of the drawings
Fig. 1 is the structural representation of natural gas cutting sheet metal assemblies in the present invention.
Embodiment
A kind of natural gas cutting sheet metal assemblies as shown in Figure 1, including flame cutting nozzle 5 and connected with flame cutting nozzle 5
A plurality of gas circuit, a plurality of gas circuit enters with cutting oxygen air inlet pipe 12, preheating oxygen air inlet pipe 11, propane air inlet pipe 10 and natural gas respectively
Tracheae 8 is corresponding to be connected；The propane air inlet pipe 10 and natural gas air inlet pipe 8 are connected to same gas buffering chamber 9, then with it is corresponding
Gas circuit connection；The cutting oxygen air inlet pipe 12, preheating oxygen air inlet pipe 11, propane air inlet pipe 10 and natural gas air inlet pipe 8 are all provided with
Magnetic valve is equipped with, wherein 12 corresponding 1# magnetic valves 1 of cutting oxygen air inlet pipe, 11 corresponding 2# magnetic valves 2 of preheating oxygen air inlet pipe, propane enters
The corresponding 3# magnetic valves 3 of tracheae 10, the corresponding 4# magnetic valves 4 of natural gas air inlet pipe 8.Above-mentioned magnetic valve is pressure regulating solenoid valve, and
Controlled by middle control computer 7.
The cutting oxygen air inlet pipe 12 and preheating oxygen air inlet pipe 11 are respectively connected with independent gas buffering chamber 9.Each bar gas circuit
It is equipped with tempering valve 6.
A kind of metal plate perforation cutting method, it is to use above-mentioned natural gas cutting sheet metal assemblies, and including following step
Suddenly：
1）Preheating, 1# magnetic valves 1 are controlled to close by middle control computer 7,2# magnetic valves 2 and 3# magnetic valves 3 are opened, and preheat oxygen air inlet
Pipe 11 and propane air inlet pipe 10 are supplied and lighted a fire to flame cutting nozzle 5, and metallic plate to be cut is preheated, preheating time control
System is in 30s or so；
2）Perforation, after the completion of preheating, middle control computer 7 controls 1# magnetic valves 1 to open, cutting oxygen air inlet pipe 12, preheating oxygen air inlet pipe
11 and propane air inlet pipe 10 supply, and the supply gas pressure for adjusting cutting oxygen air inlet pipe 12 is 1.0 ~ 1.3 MPa, and high-voltage time is lasting
0.5S or so, eleven punch 11 is entered to metallic plate to be cut；
3）Cutting, after the completion of perforation, middle control computer 7 controls 3# magnetic valves 3 to close, and 4# magnetic valves 4 are opened, and propane air inlet pipe 10 is stopped
Only supply, cutting oxygen air inlet pipe 12, preheating oxygen air inlet pipe 11 and natural gas air inlet pipe 9 supply, and adjust cutting oxygen air inlet pipe 12
Supply gas pressure be 0.7 ~ 0.9 MPa, metallic plate to be cut is cut.
Preferably, step 2）The supply gas pressure of middle cutting oxygen air inlet pipe is 1.2 MPa；Step 3）Middle cutting oxygen enters
The supply gas pressure of tracheae is 0.8MPa.
Claims (6)
1. a kind of natural gas cutting sheet metal assemblies, including flame cutting nozzle and a plurality of gas circuit that is connected with flame cutting nozzle,
It is characterized in that：A plurality of gas circuit is respectively with cutting oxygen air inlet pipe, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe pair
It should connect；The propane air inlet pipe and natural gas air inlet pipe are connected to same gas buffering chamber, then are connected with corresponding gas circuit；
The cutting oxygen air inlet pipe, preheating oxygen air inlet pipe, propane air inlet pipe and natural gas air inlet pipe are provided with magnetic valve.
2. natural gas cutting sheet metal assemblies according to claim 1, it is characterised in that：The cutting oxygen air inlet pipe and pre-
Hot oxygen air inlet pipe is respectively connected with independent gas buffering chamber.
3. natural gas cutting sheet metal assemblies according to claim 2, it is characterised in that：Each bar gas circuit is equipped with tempering
Valve.
4. a kind of metal plate perforation cutting method, it is characterised in that use the natural autogenous cutting as described in any one of claim 1 ~ 3
Sheet metal assemblies are cut, and are comprised the following steps：
1）Preheating, oxygen air inlet pipe is preheated by solenoid valve control and propane air inlet pipe is supplied and lighted a fire to flame cutting nozzle, is treated
The metallic plate of cutting is preheated；
2）Perforation, after the completion of preheating, control cutting oxygen air inlet pipe, preheating oxygen air inlet pipe and propane air inlet pipe supply, and adjust and cut
The supply gas pressure for cutting oxygen air inlet pipe is 1.0 ~ 1.3 MPa, enters eleven punch 11 to metallic plate to be cut；
3）Cutting, after the completion of perforation, control propane air inlet pipe stops supply, cutting oxygen air inlet pipe, preheating oxygen air inlet pipe and natural
Gas air inlet pipe supplies, and the supply gas pressure for adjusting cutting oxygen air inlet pipe is 0.7 ~ 0.9 MPa, and metallic plate to be cut is cut
Cut.
5. metal plate perforation cutting method according to claim 4, it is characterised in that：Step 2）Middle cutting oxygen air inlet pipe
Supply gas pressure is 1.2 MPa.
6. metal plate perforation cutting method according to claim 4, it is characterised in that：Step 3）Middle cutting oxygen air inlet pipe
Supply gas pressure is 0.8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222220.9A CN107891211A (en) | 2017-11-29 | 2017-11-29 | A kind of natural gas cutting sheet metal assemblies and metal plate perforation cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222220.9A CN107891211A (en) | 2017-11-29 | 2017-11-29 | A kind of natural gas cutting sheet metal assemblies and metal plate perforation cutting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107891211A true CN107891211A (en) | 2018-04-10 |
Family
ID=61806471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222220.9A Pending CN107891211A (en) | 2017-11-29 | 2017-11-29 | A kind of natural gas cutting sheet metal assemblies and metal plate perforation cutting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107891211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735054A (en) * | 2020-08-18 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Porous flame synchronous cutting device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298928A (en) * | 1999-12-07 | 2001-06-13 | 高家驹 | Light welding-cutting gas |
| CN1724204A (en) * | 2005-07-05 | 2006-01-25 | 泸天化（集团）有限责任公司 | Tech. for industrial cutting welding with mixing gas source |
| CN1772852A (en) * | 2004-11-12 | 2006-05-17 | 周尧 | Green energy-saving industrial fuel gas |
| CN2923140Y (en) * | 2006-07-13 | 2007-07-18 | 俞雷 | Energy-saving device of flame cutting machine for continuous casting |
| JP2010000511A (en) * | 2008-06-18 | 2010-01-07 | Universal Shipbuilding Corp | Gas cutting method and device for steel sheet |
| CN101769440A (en) * | 2008-12-28 | 2010-07-07 | 崔玥 | Multi-stage switching gas circuit |
| CN102149498A (en) * | 2008-09-16 | 2011-08-10 | 大阳日酸株式会社 | Gas cutting method and gas cutting device |
| CN102732346A (en) * | 2011-04-01 | 2012-10-17 | 张科发 | Low-temperature liquid synthetic welding gas |
| CN102950359A (en) * | 2012-11-20 | 2013-03-06 | 机械科学研究院哈尔滨焊接研究所 | 2000-to-3500mm super-thick low-carbon and low-alloy steel ingot cutting process |
| CN204209252U (en) * | 2014-09-27 | 2015-03-18 | 江苏恒泽安装工程股份有限公司 | A kind of air-channel system of numerical-control pipe intersecting cutter gas flame cuttiug |
-
2017
- 2017-11-29 CN CN201711222220.9A patent/CN107891211A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298928A (en) * | 1999-12-07 | 2001-06-13 | 高家驹 | Light welding-cutting gas |
| CN1772852A (en) * | 2004-11-12 | 2006-05-17 | 周尧 | Green energy-saving industrial fuel gas |
| CN1724204A (en) * | 2005-07-05 | 2006-01-25 | 泸天化（集团）有限责任公司 | Tech. for industrial cutting welding with mixing gas source |
| CN2923140Y (en) * | 2006-07-13 | 2007-07-18 | 俞雷 | Energy-saving device of flame cutting machine for continuous casting |
| JP2010000511A (en) * | 2008-06-18 | 2010-01-07 | Universal Shipbuilding Corp | Gas cutting method and device for steel sheet |
| CN102149498A (en) * | 2008-09-16 | 2011-08-10 | 大阳日酸株式会社 | Gas cutting method and gas cutting device |
| CN101769440A (en) * | 2008-12-28 | 2010-07-07 | 崔玥 | Multi-stage switching gas circuit |
| CN102732346A (en) * | 2011-04-01 | 2012-10-17 | 张科发 | Low-temperature liquid synthetic welding gas |
| CN102950359A (en) * | 2012-11-20 | 2013-03-06 | 机械科学研究院哈尔滨焊接研究所 | 2000-to-3500mm super-thick low-carbon and low-alloy steel ingot cutting process |
| CN204209252U (en) * | 2014-09-27 | 2015-03-18 | 江苏恒泽安装工程股份有限公司 | A kind of air-channel system of numerical-control pipe intersecting cutter gas flame cuttiug |
Non-Patent Citations (2)
| Title |
|---|
| 张应力: "《新编焊工实用手册》", 30 June 2004, 金盾出版社 * |
| 贺文熊: "《焊接生产》", 31 August 2014, 哈尔滨工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735054A (en) * | 2020-08-18 | 2020-10-02 | 广东电网有限责任公司东莞供电局 | Porous flame synchronous cutting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180410 |