CN2456868Y - Continuous casting light press down device - Google Patents
Continuous casting light press down device Download PDFInfo
- Publication number
- CN2456868Y CN2456868Y CN 00254878 CN00254878U CN2456868Y CN 2456868 Y CN2456868 Y CN 2456868Y CN 00254878 CN00254878 CN 00254878 CN 00254878 U CN00254878 U CN 00254878U CN 2456868 Y CN2456868 Y CN 2456868Y
- Authority
- CN
- China
- Prior art keywords
- continuous casting
- press down
- roller
- casting billet
- roll
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a continuous casting light press down device used for improving the quality of the continuous casting billet, which comprises an oil cylinder (2), a machine frame (1), a press down roller (5), and a supporting roller (8), wherein, the oil cylinder (2) is arranged on a crossbeam of the machine frame (1); an oil rod (3), a lifting beam (7), and the press down roller (5) are ordinally connected with each other; the press down roller (5) is connected with a transmission mechanism (4), the supporting roller (8) is correspondingly arranged just below the press down roller (5), and a roller-separating mechanism (9) is arranged between the press down roller (5) and the supporting roller (8) and is arranged on the supporting roller (8). A tiny press down reduction is carried out on a region which abuts upon a casting billet liquid core by the utility model, loose and deviation which are formed at the final stage of a solidification process can be eliminated or reduced, the density of the continuous casting billet can be enhanced, and a high quality casting billet with small loose, easy enrichment of elements, and small deviation can be obtained.
Description
The utility model belongs to the continuous casting technology field, has particularly related to a kind of device that improves continuous casting billet quality.
Along with development of times, the application of special construction steel is more and more, applied environment and mechanical performance thereof to the special construction steel have proposed more and more higher requirement, at present, the billet caster that has a terminal electromagnetic agitation of crystallizer electromagnetic agitation and strand is the strand produced of large square bland continuous-casting machine particularly, at strand liquid core end, easily forming dendrite when solidifying puts up a bridge, the micro-crystallization piece appears, center porosity and center segregation appear in strand inside, influence the quality of continuous casting billet, particularly be subjected to the restriction of rolling compression ratio with the rolling stocking specification of continuous casting billet.
The purpose of this utility model is for improving continuous casting billet quality, prevent the inner loose and segregation of continuous casting billet, interrupt dendrite and put up a bridge, providing a kind of continuous casting light screwdown gear.Can effectively control the inner loose and segregation of strand, obtain the high-quality strand.
The purpose of this utility model realizes in the following manner.The light screwdown gear of a kind of continuous casting, oil cylinder is fixed on the housiung separator, beam hanger is connected with the lifting beam of its below, depress roller is hinged and connected to lifting beam below, one end of depress roller is connected with transmission mechanism, correspondence is provided with backing roll under the depress roller, and roll-separating mechanism is between depress roller and the backing roll and be installed on the bearing block of backing roll.
The light screwdown gear of continuous casting recited above, its roll-separating mechanism is made up of hydraulic pressure pad cylinder and adjustable cushion block thereof.
The light screwdown gear of continuous casting recited above, beam hanger is connected by ball angle connector with the lifting beam.
The light screwdown gear of continuous casting recited above, 2～10 light screwdown gears of continuous casting can be combined into the unit and use.
The light screwdown gear of continuous casting recited above, 2～10 light screwdown gears of continuous casting can be combined into the unit and use.
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a front view of the present utility model;
Fig. 2 is the side view of Fig. 1.
Structure of the present utility model is such, oil cylinder 2 is fixed on the crossbeam of frame 1, beam hanger 3 is connected with lifting beam 7 by ball angle connector 6, depress roller 5 by bearing fixing below lifting beam 7, backing roll 8 is fixed on the frame 1 and is corresponding with depress roller 5, roll gap between depress roller 5 and the backing roll 8 is decided by strand size and roll-separating mechanism 9 and adjusts, and roll-separating mechanism 9 is installed on the bearing block of backing roll 8, and the output shaft of transmission mechanism 4 is connected with depress roller 5 one ends.Depress roller 5 had both moved up and down, and rotated again.Moving up and down of depress roller 5 is that oil cylinder 2 and beam hanger 3 act on the lifting beam 7 by ball angle connector 6 and realize, rotatablely moving is that driving by transmission mechanism 4 realizes.
Roll gap governor motion 9 is to be made of hydraulic pressure pad cylinder 10 and adjustable cushion block 11 assemblies, determine required light drafts according to continuous casting billet face size, strand pulling rate and molten steel overheat parameter, realize the adjusting of roll gap by the varying number of adjustable pad fast 11 and hydraulic pressure pad cylinder 10 assemblies.
The light screwdown gear of continuous casting is arranged on the fan-shaped section strand liquid core stub area of conticaster, aims at the arc of fan-shaped section.Can be that 2～10 same device assembled arrangement are all aimed at the arc of fan-shaped section in liquid core stub area, realize gently depressing by computer program control.When beginning to cast, depress roller 5 is in all and lifts, and promptly 8 roll gap of depress roller 5 and backing roll are greater than strand face size up and down, and dummy bar and strand pass between two rollers.When the continuous casting pulling rate reaches the setting pulling rate, start 5 rotations of transmission mechanism 4 transmission depress rollers, the roll gap that roll gap conciliation mechanism 9 adjustment depress rollers 5 and backing roll are 8, start oil cylinder 1, beam hanger 3 stretches out through ball angle connector 6 and promotes 7 declines of lifting beam, depress roller 5 moves down into the roll gap position of roll-separating mechanism 9 adjustment along the sidewall of frame 1 along with lifting beam 7, the rotation clamping strand of depress roller 5 is to satisfy the pulling rate casting of setting, depress roller 5 is moved down into the position that roll-separating mechanism 9 is set, at this moment, roll gap is less than the face size of strand at above-below direction, 5 pairs of strands that pass through of depress roller impose certain light pressure, interrupted " the dendrite bridging " that when liquid core end process of setting, form, prevented the formation of " micro-crystallization piece ", thereby realized gently depressing strand.
The light screwdown gear of continuous casting is to executing a small drafts near the zone of strand liquid core, to eliminate the loose of process of setting formation in latter stage.This drafts has interrupted the what is called " dendrite bridging " that forms in process of setting, thereby prevents the formation of " micro-crystallization piece ", has prevented that " micro-crystallization piece " causes the easily segregation of enriched element of macroscopic view on the strand axis, improved the density and the quality of continuous casting billet.The light screwdown gear of continuous casting makes the segregation loose and easily enriched element of strand obtain effective control, thereby obtains the high-quality strand little, that segregation is little that loosens.
Claims (3)
1. light screwdown gear of continuous casting, comprise oil cylinder [2], frame [1], depress roller [5] and backing roll [8], it is characterized in that: oil cylinder [2] is fixed on frame [1] crossbeam, beam hanger [3] is connected with the lifting beam [7] of its below, depress roller [5] is hinged and connected to lifting beam [7] below, one end of depress roller [5] is connected with transmission mechanism [4], and correspondence is provided with backing roll [8] under the depress roller [5], and roll-separating mechanism [9] is between depress roller [5] and backing roll [8] and be installed on the backing roll [8].
2. the light screwdown gear of continuous casting according to claim 1 is characterized in that: roll-separating mechanism [9] is made up of hydraulic pressure pad cylinder [10] and adjustable cushion block [11] thereof.
3. the light screwdown gear of continuous casting according to claim 1 is characterized in that: beam hanger [3] is connected by ball angle connector [6] with lifting beam [7].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254878 CN2456868Y (en) | 2000-09-21 | 2000-09-21 | Continuous casting light press down device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254878 CN2456868Y (en) | 2000-09-21 | 2000-09-21 | Continuous casting light press down device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2456868Y true CN2456868Y (en) | 2001-10-31 |
Family
ID=33612029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00254878 Expired - Lifetime CN2456868Y (en) | 2000-09-21 | 2000-09-21 | Continuous casting light press down device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2456868Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311939C (en) * | 2002-04-08 | 2007-04-25 | 住友金属工业株式会社 | Continuous casting method, continuous casting device and continuous casting blanket |
| CN102000789A (en) * | 2010-12-08 | 2011-04-06 | 中冶连铸技术工程股份有限公司 | Continuous casting machine and small square billet soft reduction device |
| CN101363832B (en) * | 2008-09-11 | 2012-05-30 | 北京科技大学 | Casting mold experimental equipment for technology under simulating light press continuous casting blank and method |
| CN105014034A (en) * | 2015-08-03 | 2015-11-04 | 中冶连铸技术工程有限责任公司 | Double-oil-cylinder bloom withdrawal and straightening unit and control method for dynamic soft reduction through same |
-
2000
- 2000-09-21 CN CN 00254878 patent/CN2456868Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311939C (en) * | 2002-04-08 | 2007-04-25 | 住友金属工业株式会社 | Continuous casting method, continuous casting device and continuous casting blanket |
| CN101363832B (en) * | 2008-09-11 | 2012-05-30 | 北京科技大学 | Casting mold experimental equipment for technology under simulating light press continuous casting blank and method |
| CN102000789A (en) * | 2010-12-08 | 2011-04-06 | 中冶连铸技术工程股份有限公司 | Continuous casting machine and small square billet soft reduction device |
| CN102000789B (en) * | 2010-12-08 | 2013-01-30 | 中冶连铸技术工程股份有限公司 | Continuous casting machine and small square billet soft reduction device |
| CN105014034A (en) * | 2015-08-03 | 2015-11-04 | 中冶连铸技术工程有限责任公司 | Double-oil-cylinder bloom withdrawal and straightening unit and control method for dynamic soft reduction through same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100921 Granted publication date: 20011031 |