CN205869417U - Dummy bar and continuous casting billet autosegregation's continuous casting device - Google Patents
Dummy bar and continuous casting billet autosegregation's continuous casting device Download PDFInfo
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- CN205869417U CN205869417U CN201620828518.9U CN201620828518U CN205869417U CN 205869417 U CN205869417 U CN 205869417U CN 201620828518 U CN201620828518 U CN 201620828518U CN 205869417 U CN205869417 U CN 205869417U
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Abstract
The utility model discloses a dummy bar and continuous casting billet autosegregation's continuous casting device belongs to metallurgical industry continuous casting production technical field. The utility model discloses a dummy bar and continuous casting billet autosegregation's continuous casting device, including middle package, immersion nozzle and dummy bar, still include with the solidified shell generating means of computer link, this solidified shell generating means is used for that the build -up welding goes out solidified shell around the immersion nozzle exit, immersion nozzle's below is equipped with backing roll and withdrawal roller in proper order, and the cooling water nozzle sets up between adjacent backing roll, the vertical orientation setting of dummy bar, dummy ingot board are combined between the higher and lower levels by top plate and lower plywood and form, and wherein the bottom of top plate is fixed with the slider, the top of lower plywood be equipped with with slider complex spout, the top of dummy bar links firmly with the bottom of plywood down. The utility model discloses but the production cross dimensions is anomalous shaped blank, and can realize dummy bar and continuous casting billet autosegregation's function.
Description
Technical field
This utility model belongs to metallurgy industry continuous casting production technical field, more particularly, it relates to a kind of dummy bar and company
The casting apparatus that strand is automatically separated.
Background technology
Along with the development of continuous casting technology, employing side (justifying) billet continuous casting machine produces rod-shaped objects, uses thickness 150～250mm
The technology that continuous casting steel billet produces sheet material is the most ripe, but also exists between strand to final products that processing capacity is big, operation is multiple
The problems such as miscellaneous, energy consumption is big, production cycle length, relatively costly and labor intensity are big, i.e. use existing conticaster to produce
Bigger structure, size difference is there is between strand and the finished product of reality.
For the problems referred to above, prior art has pointed out near net shape casting, near net shape casting a series of excellent
Point just compensate for above-mentioned deficiency, is a focus on current international metallurgical boundary.Close to final products shape, the continuous casting skill of size
Art is referred to as near net shape casting, specifically includes that Sheet-bar Continuous Casting Technique, strip continuous casting technology, continuous beam blank casting technology etc., it
It it is a significant innovation to tradition continuous casting process.It is one that continuous casting, rolling, even heat treatment can be melted by near net shape casting
Body, equipment investment minimizing, production process simplify, the production cycle contracts, product cost significantly reduces, and product quality is no less than tradition
Technique.Although the appearance of existing near net shape casting is a great technological innovation, but it remains a need for crystallizer and makes
Molten steel forms initial solidification shell, and the strand simultaneously producing different section size needs to use different types of crystallizer, in order to ensure
The seriality of production, stability, workshop usually needs to prepare the crystallizer spare part of multiple different section.And, it is possible to raw
The casting blank cross-section size produced is extremely limited, predominantly the slab (ultimate attainment is to produce strip) of thinner thickness, pipe etc., additionally document
Shaped blank described in data is also to refer in particular to H type strand, the most not yet have document report for produce other irregular sections (as
Spill) near net shape casting of strand, the strand that the most existing near net shape casting produces, its section configuration is still under respectively
Plant and limit.
Currently, it is possible to the technology directly obtaining irregular part is mainly foundry engieering and rapid shaping technique.Casting skill
Art develops for a long time, molten steel can straight forming, but production efficiency is the lowest, is suitable for the manufacture of complex parts.Rapid shaping technique is two
The New Processing that the late nineteen eighties in tenth century occur, it is integrated with modern cnc technology, CAD/CAM technology and material
The newest fruits in the fields such as material science, can be converted into the part with certain 26S Proteasome Structure and Function automatically and quickly by design concept
Prototype or directly produce part.Rapid shaping technique, compared with traditional diamond-making technique, can shorten the production cycle, it is achieved intelligent
Produce.But in terms of the rapid shaping of steel, due to the Solidification Characteristics of steel, technical difficulty is very big, cost intensive, production efficiency mistake
Low, the most only certain applications in terms of aviation, military project.
In prior art, the improvement a large amount of technical schemes about continuous casting process are open, such as patent publication No.: CN
105033217A, publication date: on November 11st, 2015, invention and created name is: a kind of continuous cast method, connect disclosed in this application case
Casting method, utilizes chiller directly to cool down the continuous casting billet drawing bar or molten metal solidification formation, by heat transfer effect,
Make molten metal constantly solidify at the solidification front end of continuous casting billet in continuous casting through hole, more do not stop to pull continuous casting by traction apparatus
Base, makes solidification front end remain in continuous casting through hole, forms stable continuous casting working procedure.Molten metal is drawn bar or had previously been solidified
The heat transfer effect and carrying out in continuous casting through hole of metal solidify rather than solidify in the large-scale chillers such as crystallizer,
Thus the space that casting apparatus entirety takies can be reduced.But this application case is disadvantageous in that: although this application case does not has
There is an installation crystallizer, but what continuous casting through hole therein actually used as crystallizer, therefore, the casting blank section shape of production
Shape is limited by continuous casting through hole section, and continuous casting through hole is fixedly disposed on the sidewall of molten bath, ultimately causes this application case
Continuous cast method produce its section configuration of strand be restricted.
Utility model content
1. utility model to solve the technical problem that
The purpose of this utility model is to overcome the deficiency being difficult to produce the irregular strand of section in existing continuous casting technology, carries
Having supplied the casting apparatus that a kind of dummy bar and continuous casting billet are automatically separated, the casting blank cross-section size of production is not limited by crystallizer,
Can produce cross dimensions is irregular shaped blank, the big production advantage of industry of the mass low cost both having played traditional handicraft,
There is again the digitized of New Times and intelligent new features, be a kind of near net shape casting；And can realize dummy bar with
The function that continuous casting billet is automatically separated.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
The casting apparatus that dummy bar of the present utility model and continuous casting billet are automatically separated, including tundish, submersed nozzle and
Dummy bar, also includes the green shell generating mechanism being connected with computer, and this green shell generating mechanism is in submersed nozzle exit
Built-up welding around goes out green shell；
The lower section of described submersed nozzle is sequentially provided with support roller and throwing roller, and cooling water nozzle is arranged at adjacent supports roller
Between；Described dummy bar vertical direction is arranged, and Dummy plate is combined between the higher and lower levels by top plate and lower plywood and forms, the wherein end of top plate
Portion is fixed with slide block, and the top of lower plywood is provided with the chute coordinated with described slide block, the top of dummy bar and the bottom of lower plywood
It is connected.
Further improving as this utility model, the lower section of described throwing roller is provided with expansion link, and expansion link is installed
In the outfan of an oil cylinder, this expansion link is used for promoting dummy bar；Described slide block is fixed on top plate bottom centre position, described
The chute one side from lower plywood top extends to the side of lower plywood top center.
Further improving as this utility model, top plate and lower plywood are the flat board of stainless steel.
Further improving as this utility model, the lower section of described throwing roller is additionally provided with induction installation, this sensing
Device is used for sensing whether dummy bar arrives appointment position below throwing roller；Described induction installation electrically connects with described oil cylinder.
Further improve as this utility model, the surrounding of described submersed nozzle and the outlet of submersed nozzle
Place is surrounded with temperature control coil, and this temperature control coil is solenoid.
Further improve as this utility model, the sidewall of described tundish is uniformly distributed 4～8 ultrasound wave and sends out
Raw device.
Further improving as this utility model, described green shell generating mechanism includes mechanical arm and soldering tip, soldering tip position
In the free end of mechanical arm, mechanical arm is arranged around the exit of submersed nozzle.
Further improving as this utility model, also include tinsel and metallic coil, tinsel is wound around and is arranged on
On rotating metallic coil, external part wiry is connected with soldering tip.
Further improving as this utility model, also include infrared radiation thermometer, this infrared radiation thermometer is for green shell
The green shell that generating mechanism heap welds carries out thermometric.
3. beneficial effect
Use the technical scheme that this utility model provides, compared with prior art, there is following remarkable result:
(1) in this utility model, the top of dummy bar is fixed with Dummy plate, and Dummy plate is tied up and down by top plate and lower plywood
Conjunction forms, and wherein the bottom of top plate is fixed with slide block, and the top of lower plywood is provided with the chute coordinated with slide block, continuous casting billet to
Lower formation to a certain extent time, promote dummy bar, with dummy bar be connected lower plywood and top plate between occur relative slip, make
Obtain lower plywood to separate with top plate, finally make dummy bar separate with continuous casting billet easily, now, directly contact with continuous casting billet
Part is only top plate, and the dummy bar and the lower plywood that drop from top plate then can be recycled.
(2) in this utility model, slide block is fixed on top plate bottom centre position, and chute is from the one side at lower plywood top
Extending to the side of lower plywood top center so that after slide block coordinates with chute, top plate bottom centre position is fixed
Slide block is limited in lower plywood top center so that the carrying top plate that lower plywood can be stable；Additionally, top plate and under
Laminate is the flat board of stainless steel, and stainless steel flat plate heat conductivility is excellent, beneficially the cooled and solidified of continuous casting billet.
(3)) in this utility model, when the Dummy plate carrying continuous casting billet on dummy bar declines and is formed to a certain extent, this
Time induction installation sense that dummy bar arrives the appointment position below throwing roller, one control signal of oil cylinder, oil cylinder pushing can be given
Expansion link moves forward thus promotes dummy bar so that slip relative with generation between lower plywood and the top plate that dummy bar is connected,
Dummy bar is made automatically to separate with continuous casting billet eventually.
(4) this utility model is uniformly distributed 4～8 supersonic generators on the sidewall of tundish, is sent out by ultrasound wave
Raw device imports ultrasound wave in tundish, utilizes the cavitation effect of ultrasound wave, acoustic streaming effect and mechanical effect, it is possible to reach thin
Change crystal grain and the function of homogenization tissue, the content of gas in steel can be effectively reduced simultaneously, thus it is higher to obtain cleanliness factor
Steel.
(5) casting apparatus that dummy bar of the present utility model and continuous casting billet are automatically separated, casting blank section chi in production process
Very little is to be controlled according to data model dynamic realtime by computer, can produce the continuous casting billet of arbitrary cross-section according to specific requirement, including
But be not limited to existing continuous casting process the strand of fertile various sections, can reduce iron and steel enterprise be reply different product standard
The conticaster quantity of standby different section, and casting blank section kind can be widened, it is achieved the on-demand production of separate unit casting machine and product
Property customization；And need not traditional covering slag, crystallizer and vibrating device thereof, continuous casting can be greatly decreased and produce equipment and the most standby
Part, reduces plant area and staff, reduces the ton steel resource consumption of casting process, enterprise production cost is greatly reduced, with
Time the strand produced without surface defects such as surface longitudinal crack, transverse crack, slag inclusions, surface quality is stable, is effectively increased enterprise
Economic benefit.
(6) casting apparatus that dummy bar of the present utility model and continuous casting billet are automatically separated, production process is completely by computer
Interior mathematical model controls, and produces highly intelligent automaticization, and metallic coil is constantly for the soldering tip offer gold of mechanical arm free end
Belonging to silk, the green shell temperature measured according to infrared radiation thermometer of temperature control coil arranged outside green shell and the requirement of computer are automatically by base
Shell temperature controls in set temperature value so that the shaped blank internal organizational structure of final preparation is uniform, and structural strength is high.
(7) casting apparatus that dummy bar of the present utility model and continuous casting billet are automatically separated, has organically combined electric arc and has increased material system
Make technology and continuous casting technology, do not change steel grades, it is not necessary to add alloying element, do not change middle package production apparatus and work
Skill, cc billet surface quality is stable, pollution-free to strand and equipment, to personnel's non-hazardous, is the shaped blank of a low consumption of resources
The new method of continuous casting steel machine.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the casting apparatus that dummy bar of the present utility model is automatically separated with continuous casting billet；
Fig. 2 is the explosive view of Dummy plate in this utility model.
Label declaration in schematic diagram:
1, tundish；2, submersed nozzle；3, soldering tip；4, tinsel；5, metallic coil；6, mechanical arm；7, roller is supported；8、
Cooling water nozzle；9, throwing roller；10, continuous casting billet；11, computer；12, infrared radiation thermometer；13, temperature control coil；14, dummy bar；
15, supersonic generator；16, expansion link；17, induction installation；18, Dummy plate；1801, top plate；1802, lower plywood.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of embodiment of the present utility model be not intended to limit claimed scope of the present utility model, but only
Represent selected embodiment of the present utility model.Based on the embodiment in this utility model, those of ordinary skill in the art are not having
Make the every other embodiment obtained under creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put during the use of this utility model product, is for only for ease of the description present invention and simplification is retouched
State, it is impossible to be interpreted as limitation of the present invention.Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and
It is not intended that instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection " etc., connect for example, it may be fixing, it is also possible to be detachably to connect
Connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to by middle matchmaker
Jie is indirectly connected to, and can be the connection of two element internals.For the ordinary skill in the art, concrete feelings can be regarded
Condition understands above-mentioned term concrete meaning in this utility model.
Embodiment 1
With reference to Fig. 1 and Fig. 2, the casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, including tundish 1,
Submersed nozzle 2, dummy bar 14 and the green shell generating mechanism being connected with computer 11, this green shell generating mechanism is for immersing
Around exit, the formula mouth of a river 2, built-up welding goes out green shell.Green shell generating mechanism includes mechanical arm 6, soldering tip 3, tinsel 4 and metallic coil 5,
Soldering tip 3 is positioned at the free end of mechanical arm 6, and mechanical arm 6 is arranged around the exit of submersed nozzle 2.Tinsel 4 is wound around and is arranged on
On rotating metallic coil 5, the external part of tinsel 4 is connected with soldering tip 3, provides the raw material of built-up welding for soldering tip 3.
In the present embodiment, the lower section of submersed nozzle 2 is sequentially provided with support roller 7 and throwing roller 9, and cooling water nozzle 8 is arranged
Between adjacent supports roller 7；Dummy bar 14 vertical direction is arranged, and Dummy plate 18 is tied by top plate 1801 and lower plywood about 1802
Conjunction forms, and wherein the bottom of top plate 1801 is fixed with slide block, and the top of lower plywood 1802 is provided with the chute coordinated with slide block, draws
The top of spindle blade 14 is connected with the bottom of lower plywood 1802.
The casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated presents longitudinally disposed on the whole, continuous casting billet 10
The moving down of dummy bar 14 vertically generates, beneficially the efficient formation of shaped blank, and improve preparation abnormity
The physical dimension precision of base；Meanwhile, the top of dummy bar 14 is fixed with Dummy plate 18, and Dummy plate 18 is by top plate 1801 and lower floor
Plate 1802 combines between the higher and lower levels and forms, and wherein the bottom of top plate 1801 is fixed with slide block, and the top of lower plywood 1802 is provided with and slide block
The chute coordinated, i.e. enables to occur between top plate 1801 and lower plywood 1802 relative cunning by slide block with the cooperation of chute
Dynamic, when continuous casting billet 10 is formed down to a certain extent, promote dummy bar 14, the lower plywood 1802 that is connected with dummy bar 14 and upper
Occur between laminate 1801 relatively to slide so that lower plywood 1802 separates with top plate 1801, finally makes dummy bar 14 convenience
Separate with continuous casting billet 10, now, the part directly contacted with continuous casting billet 10 is only top plate 1801, falls from top plate 1801
The dummy bar 14 and the lower plywood 1802 that fall then can be recycled.In concrete the present embodiment, slide block is fixed on bottom top plate 1801
Center, the chute one side from lower plywood 1802 top extends to the side of lower plywood 1802 top center so that
After slide block coordinates with chute, the slide block that top plate 1801 bottom centre position is fixed is limited in lower plywood 1802 top center position
Put so that the carrying top plate 1801 that lower plywood 1802 can be stable.Additionally, the present embodiment plate 1801 and lower plywood at the middle and upper levels
1802 flat boards being stainless steel, stainless steel flat plate heat conductivility is excellent, beneficially the cooled and solidified of continuous casting billet 10.
In the present embodiment, the lower section of throwing roller 9 is provided with expansion link 16 and induction installation 17, and expansion link 16 is installed on an oil
The outfan of cylinder, this expansion link 16 is used for promoting dummy bar 14；Induction installation 17 is used for sensing whether dummy bar 14 arrives throwing
Position is specified below roller 9；Induction installation 17 electrically connects with oil cylinder.Wherein, continuous casting billet is carried when the Dummy plate 18 on dummy bar 14
When 10 declines are formed to a certain extent, now induction installation 17 senses that dummy bar 14 arrives the appointment position below throwing roller 9,
Can be to one control signal of oil cylinder, oil cylinder pushing expansion link 16 moves forward thus promotes dummy bar 14 so that be connected with dummy bar 14
Lower plywood 1802 and top plate 1801 between occur relatively to slide, finally make the dummy bar 14 can automatically and continuous casting billet 10 points
From.
Embodiment 2
With reference to Fig. 1, the casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, its structure and embodiment 1 base
This is identical, and its difference is: also include infrared radiation thermometer 12, and this infrared radiation thermometer 12 is for green shell generating mechanism built-up welding
The green shell gone out carries out thermometric, and the surrounding of submersed nozzle 2 and the exit of submersed nozzle 2 are surrounded with temperature control coil
13, this temperature control coil 13 is solenoid.
The casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, its using method is as follows, specifically include with
Lower step:
Step A: will need produce shaped blank section physical dimension input to computer 11, wherein, shaped blank section X or
The physical dimension of Y-direction is 50～3000mm；
Step B: promote dummy bar 14 and the Dummy plate 18 on its top is placed in the underface in submersed nozzle 2 exit (i.e.
Mechanical arm 6 surrounds the middle part in region), adjust Dummy plate 18 to level, mobile soldering tip 3 to Dummy plate 18 center；
Step C: send enabled instruction to computer 11, computer 11 is according to cross dimensions real time control machine mechanical arm 6 and weldering
3 on Dummy plate 18 heap weld and set the green shell of section physical dimension (in the present embodiment, built-up welding is specially electric arc and increases material manufacture
Technology, it is to use electric arc to be melted by metal wire material as thermal source that electric arc increases material manufacturing technology, by setting forming path on substrate
Pile up synusia, layer by layer heap apply until metal parts shape technique), outside the green shell of generation by support roller 7 support (mechanical arm 6
Can move around submersed nozzle 2 exit in X, Y, Z-direction)；In it is emphasized that the green shell that in the present embodiment, heap welds
Portion is hollow, and the inside of green shell is filled by molten steel in subsequent step；In concrete the present embodiment, the base that computer 11 controls
Shell generating mechanism follow procedure command request mobile mechanical arm 6 so that soldering tip 3 around submersed nozzle 2 exit continuous moving, from
And the most successively generate required green shell according to the pointwise of shaped blank section physical dimension elder generation, complete the continuous production of corresponding green shell, simultaneously
Dummy bar 14 slowly declines with the pulling rate of 0.01～0.3m/min that (now the pulling rate of dummy bar 14 is unsuitable too fast, to adapt to green shell
Longitudinal formation speed be advisable).The production process of green shell is that shell thickness is by electric arc heated motlten metal silk 4 resolidification
12～15mm；Wherein, generate green shell raw material be tinsel 4, this tinsel 4 composition identical with steel grades to be produced or
Similar.
Step D: when green shell longitudinal length is 500mm, opens to water and is ready to complete, and the outlet of submersed nozzle 2 is moved to
Stating inside green shell at initial solidification shell 400mm, computer 11 sends instruction and promotes stopper rod of tundish, and the molten steel in tundish 1 leads to
Crossing submersed nozzle 2 continuously flow into the green shell inside generated and gradually solidify, the cooling water nozzle 8 arranged outside green shell is at base
Start in the range of position 200～500mm below molten steel face in shell carrying out water-spraying control outside green shell, carry out aerosol subsequently cold
But, the cooling section a length of 500～10000mm of aerosol cooling；
Step E: control longitudinal formation speed of green shell by computer 11 identical with the pulling rate of continuous casting, and control green shell
Longitudinal formation speed with the pulling rate of continuous casting in the range of 0.01～0.8m/min (when longitudinal formation speed of green shell and drawing of continuous casting
When speed is too fast, it is unfavorable for the stable molding of shaped blank), maintain the steady production of shaped blank, continuous casting billet 10 (the i.e. abnormity of solidification
Base) transport downwards under the guiding of throwing roller 9；In shaped blank production process, more than the molten steel face in green shell 10～30mm
Place, green shell wraps around and is disposed with 20～50mm wide temperature control coils 13 (i.e. the exit of submersed nozzle 2 is surrounded with control
Temperature coil 13), by temperature control coil 13, the green shell generated is heated, maintain temperature T outside green shell1=α Td, wherein: α
=0.6～0.8, TdSolidus temperature for molten steel.Inventor finds through experiment, and the green shell of generation needs to maintain certain
In temperature range, when green shell temperature is too high, and the intensity of green shell cannot ensure, thus the shaped blank dimensional accuracy of preparation can be produced
Adverse effect；When green shell temperature is too low, the molten steel in green shell preferably cannot be fused together inside green shell, causes preparation
Shaped blank internal organizational structure is uneven, thus can have a negative impact the shaped blank structural strength of preparation.On overcoming
Stating problem, inventor finds through experimental summary, by temperature control coil 13, the temperature outside green shell is maintained certain limit, energy
Enough making the shaped blank internal organizational structure finally prepared uniform, structural strength is high；Wherein, the temperature range outside green shell is maintained
Relevant with the composition of molten steel, specially T1=α Td(α=0.6～0.8), TdSolidus temperature for corresponding molten steel.The present embodiment
In, the surrounding of submersed nozzle 2 is surrounded with temperature control coil 13, is on the one hand prevented from submersed nozzle 2 endogenous cause of ill molten steel temperature
Spending low and block, the molten steel on the other hand heated in submersed nozzle 2 by temperature control coil 13 is at molten
State, strengthens the mobility of molten steel, prevents the blocking caused because of the field trash in molten steel.
The casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, production process is completely by computer 11
Mathematical model controls, and produces highly intelligent automaticization, and the continuous soldering tip 3 for mechanical arm 6 free end of metallic coil 5 provides metal
Silk 4, the green shell temperature measured according to infrared radiation thermometer 12 of temperature control coil 13 arranged outside green shell and the requirement of computer 11 oneself
Moving controls in set temperature value by green shell temperature so that the shaped blank internal organizational structure of final preparation is uniform, and structural strength is high.
The scale surface trimming that the strand produced is set by computer 11, when, after molten steel casting complete, stopping the generation of green shell, strand
After coming out completely from below, stage has produced.
The casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, in production process casting blank cross-section size be by
Computer 11 according to data model dynamic realtime control, can according to specific requirement produce arbitrary cross-section continuous casting billet, including but not
Be limited to existing continuous casting process the strand of fertile various sections, can reduce what iron and steel enterprise was prepared by reply different product
The conticaster quantity of different section, and casting blank section kind can be widened, it is achieved the on-demand production of separate unit casting machine is fixed with product individuality
System；And need not traditional covering slag, crystallizer and vibrating device thereof, continuous casting can be greatly decreased and produce equipment and corresponding spare part,
Reduce plant area and staff, reduce the ton steel resource consumption of casting process, enterprise production cost is greatly reduced, gives birth to simultaneously
The strand of output is without surface defects such as surface longitudinal crack, transverse crack, slag inclusions, and surface quality is stable, is effectively increased the economy of enterprise
Benefit.
The casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, has organically combined electric arc and has increased material manufacturing technology
With continuous casting technology, do not change steel grades, it is not necessary to add alloying element, do not change middle package production apparatus and technique, strand
Surface quality is stable, pollution-free to strand and equipment, to personnel's non-hazardous, is the shaped blank continuous casting steel machine of a low consumption of resources
New method.
The present embodiment uses digitized and intelligentized mode to realize the production of irregular section casting blank low-cost high-efficiency,
The big production advantage of industry of the mass low cost both having played traditional handicraft, has again digitized and the new skill of intellectuality of New Times
Art feature, production process is intelligentized control method, and increasingly automated, floor space is little, and operator are few, can effectively reduce cost,
It it is a kind of near net shape casting.
Embodiment 3
With reference to Fig. 1, the casting apparatus that the dummy bar of the present embodiment and continuous casting billet are automatically separated, its structure and embodiment 1 base
This is identical, and its difference is: be uniformly distributed 4～8 supersonic generators 15 in the present embodiment on the sidewall of tundish 1,
In tundish 1, import ultrasound wave by supersonic generator 15, utilize the cavitation effect of ultrasound wave, acoustic streaming effect and machinery
Effect, it is possible to reach crystal grain thinning and the function of homogenization tissue, can be effectively reduced the content of gas in steel simultaneously, thus
Obtain the steel that cleanliness factor is higher.
Schematically being described this utility model and embodiment thereof above, this description does not has restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, creating in the case of objective without departing from this utility model, designing without creative
The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (9)
1. the casting apparatus that dummy bar and continuous casting billet are automatically separated, including tundish (1), submersed nozzle (2) and dummy ingot
Bar (14), it is characterised in that: also including the green shell generating mechanism being connected with computer (11), this green shell generating mechanism is in leaching
Enter built-up welding around the formula mouth of a river (2) exit and go out green shell；
The lower section of described submersed nozzle (2) is sequentially provided with support roller (7) and throwing roller (9), and cooling water nozzle (8) is arranged at phase
Between adjacent support roller (7)；Described dummy bar (14) vertical direction is arranged, and Dummy plate (18) is by top plate (1801) and lower plywood
(1802) combining between the higher and lower levels and form, wherein the bottom of top plate (1801) is fixed with slide block, the top of lower plywood (1802) be provided with
The chute that described slide block coordinates, the top of dummy bar (14) is connected with the bottom of lower plywood (1802).
The casting apparatus that dummy bar the most according to claim 1 and continuous casting billet are automatically separated, it is characterised in that: described throwing
The lower section of roller (9) is provided with expansion link (16), and expansion link (16) is installed on the outfan of an oil cylinder, and this expansion link (16) is used for pushing away
Dynamic dummy bar (14)；Described slide block is fixed on top plate (1801) bottom centre position, and described chute pushes up from lower plywood (1802)
The one side in portion extends to the side of lower plywood (1802) top center.
The casting apparatus that dummy bar the most according to claim 2 and continuous casting billet are automatically separated, it is characterised in that: top plate
And lower plywood (1802) is the flat board of stainless steel (1801).
The casting apparatus that dummy bar the most according to claim 3 and continuous casting billet are automatically separated, it is characterised in that: described throwing
The lower section of roller (9) is additionally provided with induction installation (17), and this induction installation (17) is used for sensing whether dummy bar (14) arrives throwing
Position is specified in roller (9) lower section；Described induction installation (17) electrically connects with described oil cylinder.
The casting apparatus that dummy bar the most according to claim 3 and continuous casting billet are automatically separated, it is characterised in that: described immersion
The surrounding at the formula mouth of a river (2) and the exit of submersed nozzle (2) are surrounded with temperature control coil (13), this temperature control coil (13)
For solenoid.
The casting apparatus that dummy bar the most according to claim 5 and continuous casting billet are automatically separated, it is characterised in that: described centre
It is uniformly distributed 4～8 supersonic generators (15) on the sidewall of bag (1).
The casting apparatus that dummy bar the most according to claim 4 and continuous casting billet are automatically separated, it is characterised in that: described green shell
Generating mechanism includes mechanical arm (6) and soldering tip (3), and soldering tip (3) is positioned at the free end of mechanical arm (6), and mechanical arm (6) is around immersion
The exit at the formula mouth of a river (2) is arranged.
The casting apparatus that dummy bar the most according to claim 7 and continuous casting billet are automatically separated, it is characterised in that: also include gold
Belonging to silk (4) and metallic coil (5), tinsel (4) is wound around and is arranged on rotating metallic coil (5), stretching out of tinsel (4)
End is connected with soldering tip (3).
9. the casting apparatus being automatically separated according to the dummy bar described in claim 5 or 6 and continuous casting billet, it is characterised in that: also wrap
Including infrared radiation thermometer (12), this infrared radiation thermometer (12) carries out thermometric for the green shell welding green shell generating mechanism heap.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620828518.9U CN205869417U (en) | 2016-07-31 | 2016-07-31 | Dummy bar and continuous casting billet autosegregation's continuous casting device |
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| CN201620828518.9U CN205869417U (en) | 2016-07-31 | 2016-07-31 | Dummy bar and continuous casting billet autosegregation's continuous casting device |
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| CN205869417U true CN205869417U (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299530A (en) * | 2020-04-20 | 2020-06-19 | 中冶京诚工程技术有限公司 | Dummy bar head and continuous casting machine for hollow round billet |
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2016
- 2016-07-31 CN CN201620828518.9U patent/CN205869417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299530A (en) * | 2020-04-20 | 2020-06-19 | 中冶京诚工程技术有限公司 | Dummy bar head and continuous casting machine for hollow round billet |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170731 |