CN102652992A - Method for cleaning burrs on steel billet - Google Patents
Method for cleaning burrs on steel billet Download PDFInfo
- Publication number
- CN102652992A CN102652992A CN2012101214988A CN201210121498A CN102652992A CN 102652992 A CN102652992 A CN 102652992A CN 2012101214988 A CN2012101214988 A CN 2012101214988A CN 201210121498 A CN201210121498 A CN 201210121498A CN 102652992 A CN102652992 A CN 102652992A
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- China
- Prior art keywords
- steel billet
- gas nozzle
- burr
- cutting machine
- billet
- 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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Abstract
The invention relates to a method for cleaning burrs on a steel billet, comprising the following steps of: firstly, mounting a gas nozzle parallel to the bottom surface of the steel billet below the steel billet to ensure that the gas nozzle follows a burner of a cutting machine to synchronously move when the steel billet is cut by the cutting machine, opening the gas nozzle after the steel billet is cut open by the cutting machine and aiming the gas ejected from gas nozzle to the burrs generated after the steel billet is cut open to remove the burrs on a steel billet. The method has the advantages that the burrs residual on the steel billet cut by utilizing a flame cutting method can be removed and the manufacturing cost and burr removing cost are low.
Description
Technical field
The present invention relates to a kind of method of clearing up burr on the steel billet.
Background technology
Traditional continuous casting billet cutting method all is to adopt mechanical shearing method usually.Because of cutter carries out the investment of continuous casting billet cutting disposable apparatus greatly, use cost is high, and equipment failure rate is high; Maintenance cost is big; And the easy generation distortion of cut casting blank section, so existing enterprise adopts the continuous casting steel billet flame-cutting to substitute mechanical shearing method mostly.Though the cost of flame-cutting can reduce relatively; And casting blank section is also not yielding; But, unclean after the online fire combustion of the continuous casting billet section cleaning if this burr is not removed or cleared up usually at the lower surface end adhesiving metal of strand otch and the burr of hopcalite formation thereof, can make the quality of square billet and performance receive very big influence; Particularly utilize when the billet rolling steel plate of burr is arranged, cause defectives such as scar easily at surface of steel plate.In the prior art, the burr on the cleaning steel billet generally adopts fly cutter paddle type mill and scraper type dual mode, wherein; Fly cutter paddle type mill flash trimmer, though have simple in structure, reliable operation; Advantages such as fault rate is low, but be difficult to burr is cleaned out for the bigger steel billet of width; Though and scraper type burr grinding machine is suitable for clearing up width than steel bloom, scraper type burr grinding machine fault rate in the process of cleaning burr is higher, and its cost of manufacture is also very high.
Summary of the invention
Task of the present invention provides the method that a kind of mode of utilizing gas cutting is cleared up burr on the high cleaning steel billet with problems such as cleaning are not clean with workout cost of steel billet burr.
The method of burr may further comprise the steps on the cleaning steel billet proposed by the invention: the gas nozzle parallel with the steel billet bottom surface at first is installed below steel billet; When steel billet being cut with cutting machine; The burner that makes this gas nozzle follow cutting machine is synchronized with the movement; After cutting machine cuts steel billet, gas nozzle is opened, and the combustion gas that gas nozzle is ejected aims at steel billet and is cut open the burr position that the back is produced, so that the burr on the steel billet is excised.
The both sides at said billet necking position are provided with gas nozzle.
Said gas nozzle adopts flat pattern, and the width of the width that makes gas nozzle and steel billet is identical or slightly be narrower than the width of steel billet.
Said combustion gas is made up of oxygen or oxygen and acetylene mixture.
The method of burr adopts gas nozzle injection of oxygen or combustion gas on the cleaning steel billet proposed by the invention; So that utilize the residual burr of steel billet of flame-cutting cutting; Because gas nozzle just is connected through pipeline with feeder; So the apparatus structure that this method adopted is quite simple, its cost of manufacture is all lower with the cost of removing burr; Simultaneously, flat gas nozzle is installed on cutting machine, in cutting steel billet process, gas nozzle and cutting machine jetting-burning mouth travel forward synchronously, and the metal residue that can stay at the billet necking position cutting machine cutting back in time is that burr is cleared up.
The specific embodiment:
The gas nozzle that parallels with the steel billet bottom surface at first is installed below steel billet; Because it is burr that all there is metal residue the both sides at billet necking position; So, be provided with gas nozzle in the both sides at billet necking position, and make the jet direction of gas nozzle towards burr.This gas nozzle adopts flat pattern; And the width that makes gas nozzle is identical with the width of steel billet or slightly be narrower than the width of steel billet; Perhaps adopt two or more flat pattern gas nozzles; Adopt a plurality of flat pattern gas nozzles to be arranged side by side below steel billet, the width that makes a plurality of gas nozzles is identical with the width of steel billet or slightly be narrower than the width of steel billet.The combustion gas that gas nozzle sprayed can be made up of oxygen or oxygen and acetylene mixture, and the gaseous-pressure that it sprayed is about 1.2 MPas.
When cutting machine cuts steel billet; The burner that makes this gas nozzle follow cutting machine is synchronized with the movement; And after cutting machine cuts steel billet, again gas nozzle is opened; Steel billet is aimed in the combustion gas that gas nozzle ejected be cut open the burr position that the back is produced, oxygen that it sprayed or oxygen and acetylene gaseous mixture can make the burr fusing back on the steel billet excised.
Claims (4)
1. the method for burr on the cleaning steel billet; It is characterized in that may further comprise the steps: the gas nozzle parallel with the steel billet bottom surface at first is installed below steel billet; When with cutting machine steel billet being cut, the burner that makes this gas nozzle follow cutting machine is synchronized with the movement, and after cutting machine cuts steel billet, gas nozzle is opened; And make combustion gas that gas nozzle ejects aim at steel billet to be cut open the burr position that the back is produced, so that the burr on the steel billet is excised.
2. method according to claim 1 is characterized in that: the both sides at said billet necking position are provided with gas nozzle.
3. method according to claim 1 is characterized in that: said gas nozzle adopts flat pattern, and the width of the width that makes gas nozzle and steel billet is identical or slightly be narrower than the width of steel billet.
4. method according to claim 1 is characterized in that: said combustion gas is made up of oxygen or oxygen and acetylene mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101214988A CN102652992A (en) | 2012-04-24 | 2012-04-24 | Method for cleaning burrs on steel billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101214988A CN102652992A (en) | 2012-04-24 | 2012-04-24 | Method for cleaning burrs on steel billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102652992A true CN102652992A (en) | 2012-09-05 |
Family
ID=46728812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101214988A Pending CN102652992A (en) | 2012-04-24 | 2012-04-24 | Method for cleaning burrs on steel billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102652992A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2925419A1 (en) * | 1979-06-23 | 1981-01-08 | Ipu Ltd | Flame cutting of continuous castings - with simultaneous removal of slag beards via streams of gas supplied by nozzles moving synchronously with flame cutting burner |
| JPS5893546A (en) * | 1981-11-30 | 1983-06-03 | Nippon Supingu Kk | Removing method for stuck slag |
| CN201439150U (en) * | 2009-07-28 | 2010-04-21 | 北京天越华冶金设备有限公司 | Flame cutting and deburring device for casting blank |
| CN102328041A (en) * | 2011-07-12 | 2012-01-25 | 陈寅明 | Continuous casting cutting slag cleaning method and slag cleaning device thereof |
-
2012
- 2012-04-24 CN CN2012101214988A patent/CN102652992A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2925419A1 (en) * | 1979-06-23 | 1981-01-08 | Ipu Ltd | Flame cutting of continuous castings - with simultaneous removal of slag beards via streams of gas supplied by nozzles moving synchronously with flame cutting burner |
| JPS5893546A (en) * | 1981-11-30 | 1983-06-03 | Nippon Supingu Kk | Removing method for stuck slag |
| CN201439150U (en) * | 2009-07-28 | 2010-04-21 | 北京天越华冶金设备有限公司 | Flame cutting and deburring device for casting blank |
| CN102328041A (en) * | 2011-07-12 | 2012-01-25 | 陈寅明 | Continuous casting cutting slag cleaning method and slag cleaning device thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120905 |