CN203695900U - Bulging-based soft reduction mechanism - Google Patents
Bulging-based soft reduction mechanism Download PDFInfo
- Publication number
- CN203695900U CN203695900U CN201320811552.1U CN201320811552U CN203695900U CN 203695900 U CN203695900 U CN 203695900U CN 201320811552 U CN201320811552 U CN 201320811552U CN 203695900 U CN203695900 U CN 203695900U
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- China
- Prior art keywords
- bulge
- lower compression
- pressure roller
- gently
- compression roller
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- 230000009467 reduction Effects 0.000 title abstract description 7
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 230000000881 depressing effect Effects 0.000 claims description 18
- 230000008520 organization Effects 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000009749 continuous casting Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The utility model discloses a bulging-based soft reduction mechanism, comprising an upper press roller, a lower press roller and a control mechanism, wherein the upper press roller and the lower press roller are arranged symmetrically up and down and can respectively move up and down in the perpendicular direction, and a soft reduction area is formed between the upper press roller and the lower press roller; the control mechanism is in controlled connection with the upper press roller and the lower press roller and controls the upper press roller and the lower press roller to simultaneously move by facing the soft reduction area. The bulging-based soft reduction mechanism can greatly improve the soft reduction effect.
Description
Technical field
The utility model relates to a kind of continuous casting steel machine technology, is specifically related to the light Reduction Technology in continuous casting steel machine.
Background technology
Continuous casting is the abbreviation of continuous casting steel machine (English, Continuous Steel Casting).Produce in all kinds of steel products processes in steel plant, use molten steel solidification to form two kinds of methods: traditional die casting and To Continuous Casting Under.And nineteen fifties American-European countries occur continuous casting technology be one the advanced technology of the direct castable of molten steel.Compared with conventional method, continuous casting technology has and significantly improves recovery rate of iron and slab quality, saves the significant advantages such as the energy.
The idiographic flow of continuous casting steel machine is: molten steel, constantly by water mold, pulls straight from the outlet of crystallizer below after the duricrust that congeals into, cooling through spraying water, and is cut into the foundry technology process of blank after all solidifying.
If continuous casting is produced sheet billet, casting and rolling process can also be entered so for further processing.
Continuous casting, can also cast aluminum-molykote composite material, copper product except cast steel.
The product of molten steel static pressure in casting process when bulge, continuous casting academia and engineering circles were all treated and were processed bulge as injurous defect modern age, strove eliminating bulge, and the main method adopting on technology and equipment has: reduce pulling rate; Adopt close packed roller restriction bulge; Lengthen a cold copper pipe length; Strengthen the cold intensity of cooling of a cold-peace two.
Gently depress, it is in continuous casting steel machine ironmaking processes, when the straightening of continuous casting steel rolling base adopts liquid core aligning, in order to obtain defect free slab, to apply the process of little pressure with the strand of liquid core.Near casting blank solidification terminal, strand is applied to certain drafts, the liquid core that casting blank solidification terminal is formed is destroyed, with suppress concentrated molten steel under static pressure effect spontaneous along the movement in throwing direction.Modern age, the conticaster of work technical equipment nearly all adopted these advanced means to improve strand inherent quality.
Owing to being positioned at the dense and burned district of strand of withdrawal straightening machine place small volume, implement gently to depress the resistance of deformation that must overcome the solid-state base shell in both sides, and need larger plane to depress to make its distortion be deep into strand inside.The essence of gently depressing is to depress distribution in the middle of strand in the molten steel in dense and burned district, and it is forced producing thus the solid-state base shell in both sides is depressed to distortion, has caused and has needed the larger pressure of depressing, and this will affect the effect of gently depressing greatly.
Utility model content
For gently depressing existing problem in existing continuous casting steel machine ironmaking processes, the purpose of this utility model is to provide a kind of light screw-down based on bulge, it utilizes the bulge producing in outer arc direction in strand gently to depress, to reach the best effect of gently depressing.
In order to achieve the above object, the utility model adopts following technical scheme:
Based on a light screw-down for bulge, this light screw-down comprises:
Upper and lower symmetrically arranged upper pressure roller and lower compression roller, described upper pressure roller and lower compression roller can distinguish vertically and move up and down, and between forms and gently depresses district;
Controlling organization, pressure roller and lower compression roller in described controlling organization control connection, and pressure roller is gone up in control and lower compression roller moves towards gently depressing district simultaneously.
In preferred embodiment of the present utility model, the opposite face of described upper pressure roller and lower compression roller is plane, and its width is corresponding with the strand width that the surface for the treatment of gently to depress has bulge.
Further, described controlling organization is PLC.
Further, also comprise a detector for detection of casting billet surface bulge height in described light screw-down, it is arranged on gently depressing in district of forming between pressure roller and lower compression roller, and joins with controlling organization.
The light screw-down that the utility model provides can be in the time of the solidification stages end of strand, extruding by upper pressure roller and lower compression roller time, realization utilizes the bulge producing in outer arc direction in strand gently to depress, make distortion be deep into strand SMIS position, thereby effect is gently depressed in raising greatly.
Brief description of the drawings
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, it is depicted as the structural representation of the light screw-down based on bulge that the utility model provides.As seen from the figure, this light screw-down 100 mainly comprises pressure roller 101, lower compression roller 102 and controlling organization 103 3 parts.
Wherein go up pressure roller 101, lower compression roller 102 is symmetrical arranged up and down, both can move up and down along vertical direction, goes up pressure roller 101, lower compression roller 102 both opposite face 101a, 102a simultaneously respectively as the face of gently depressing of upper pressure roller 101, lower compression roller 102.Coordinate with moving up and down of lower compression roller 102 by upper pressure roller 101, what between the face of gently depressing 101a, the 102a of upper pressure roller 101 and lower compression roller 102, the surperficial strand 200 with bulge 201 of formation appearance passed through gently depresses district 104.
For the effect that ensures that upper pressure roller 101, lower compression roller 102 are gently depressed, the face of gently depressing 101a, 102a on both are specially plane, and to have the width of strand 200 of bulge corresponding the width of this plane and the surface for the treatment of gently to depress.
Controlling organization 103 is the control centre in light screw-down, pressure roller 101, lower compression roller 102 in its difference control connection, control both and at the uniform velocity move towards the district 104 that gently depresses being positioned between the two simultaneously, realize the upper and lower surface to gently depressing surface in district 104 with the strand 200 of bulge and gently depress simultaneously.
Control upper pressure roller 101, lower compression roller 102 towards gently depressing the distance that moves in district 104 and gently to depress the height of going up bulges 201 in interior strand 200 surfaces, district 104 corresponding for controlling organization 103.
In specific implementation, this controlling organization 103 can adopt satisfactory PLC to realize, but is not limited to this, also can adopt other some mechanical controller structures to realize, know can reach pressure roller 101 in accurate control, lower compression roller 102 moves and both can.
On the basis of such scheme, the utility model also provides a prioritization scheme, in this scheme, in above-mentioned light screw-down 100, increase by a detector 105 for detection of casting billet surface bulge height, it is arranged on gently depresses in district 104, accurately detect the height that is arranged in the strand 200 upper bulges 201 in surface of gently depressing district 104, and the value detecting is reached to controlling organization 103.Controlling organization 103 can accurately be controlled according to the height of bulge 201 movement of upper pressure roller 101, lower compression roller 102 like this, further improves the light effect of pressing.
The light screw-down 100 forming thus can be to gently depressing in the strand of solidification stages end, and detailed process is as follows:
The strand 200 that there is comparatively complete bulge 201 when surface enter between upper pressure roller 101, lower compression roller 102 gently depress district 104 time, controlling organization 103 is according to the height of the surperficial bulge 201 of strand 200, and in control, pressure roller 101, lower compression roller 102 at the uniform velocity move towards gently depressing district 104 simultaneously.
The face of gently depressing 101a, 102a on upper pressure roller 101, lower compression roller 102 will, from upper and lower both direction, depress the upper and lower surface of strand 200 simultaneously, and the bulge 201 of the upper and lower surface to strand 200 gives the drafts of certain formed objects simultaneously.Like this by the effect of drafts simultaneously up and down, can eliminate the surperficial bulge 201 of strand 200, the molten steel in inner strand 200 dense and burned district 202 reasonably can be distributed on certain space, reduce the order of severity of segregation simultaneously, loosening and shrinkage cavity in the centre that reduces strand, improves the inherent quality of strand.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the light screw-down based on bulge, is characterized in that, described light screw-down comprises:
Upper and lower symmetrically arranged upper pressure roller and lower compression roller, described upper pressure roller and lower compression roller can distinguish vertically and move up and down, and between forms and gently depresses district;
Controlling organization, pressure roller and lower compression roller in described controlling organization control connection, and pressure roller is gone up in control and lower compression roller moves towards gently depressing district simultaneously.
2. a kind of light screw-down based on bulge according to claim 1, is characterized in that, the opposite face of described upper pressure roller and lower compression roller is plane, and its width is corresponding with the strand width that the surface for the treatment of gently to depress has bulge.
3. a kind of light screw-down based on bulge according to claim 1, is characterized in that, described controlling organization is PLC.
4. a kind of light screw-down based on bulge according to claim 1, it is characterized in that, in described light screw-down, also comprise a detector for detection of casting billet surface bulge height, it is arranged on gently depressing in district of forming between pressure roller and lower compression roller, and joins with controlling organization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811552.1U CN203695900U (en) | 2013-12-10 | 2013-12-10 | Bulging-based soft reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320811552.1U CN203695900U (en) | 2013-12-10 | 2013-12-10 | Bulging-based soft reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203695900U true CN203695900U (en) | 2014-07-09 |
Family
ID=51046399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320811552.1U Expired - Fee Related CN203695900U (en) | 2013-12-10 | 2013-12-10 | Bulging-based soft reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203695900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365525A (en) * | 2018-10-09 | 2019-02-22 | 鞍钢股份有限公司 | A kind of method of cold rolled silicon steel slab quality control |
-
2013
- 2013-12-10 CN CN201320811552.1U patent/CN203695900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365525A (en) * | 2018-10-09 | 2019-02-22 | 鞍钢股份有限公司 | A kind of method of cold rolled silicon steel slab quality control |
| CN109365525B (en) * | 2018-10-09 | 2020-06-23 | 鞍钢股份有限公司 | Method for controlling quality of cold-rolled silicon steel casting blank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |