CN205996153U - A kind of light metal alloy high speed casting solidification forming device - Google Patents
A kind of light metal alloy high speed casting solidification forming device Download PDFInfo
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- CN205996153U CN205996153U CN201621010965.XU CN201621010965U CN205996153U CN 205996153 U CN205996153 U CN 205996153U CN 201621010965 U CN201621010965 U CN 201621010965U CN 205996153 U CN205996153 U CN 205996153U
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Abstract
The utility model discloses a kind of light metal alloy high speed casting solidification forming device, including the crystallizer being provided with liquid level detector, smelt spout is connected with crystallizer through submersed nozzle, and smelt spout is provided with flow control mechanism；Liquid level detector detects the melt liquid level height in crystallizer, and by the information conveyance detecting to calculation processing unit；Flow control information is sent to flow controlling unit after processing detection data by calculation processing unit, flow controlling unit sends flow control instruction to flow control mechanism, adjust the melt flow that alloy melt flows into crystallizer through submersed nozzle, maintain the liquid level in crystallizer；The bottom of crystallizer is provided with drawing device, the strand of solidification is continuously pulled down and send；The height of this utility model energy effective control mold liquid level, mold cover is provided with crystallizer inwall lubricating arrangement, can reduce the frictional force between strand folding process and crystallizer inwall from trend crystallizer inwall spraying lubricant.
Description
Technical field
This utility model belongs to light metal alloy casting technology field, is related to a kind of light metal alloy high speed casting and is frozen into
Shape dress is put.
Background technology
Adopt semicontinuous or molding method casting light metal alloy strand at present both at home and abroad, pulling rate is very slow；With magnesium alloy
As a example, at present both at home and abroad light metal alloy D.C.casting speed substantially between 1.3～6m/h, and the casting speed of iron and steel strand rises
All in 18m/h, the pulling rate improving light metal alloy continuously casting is to solve restriction light metal alloy materials application to promote to step pulling rate
One of principal element.
Content of the invention
The problem that this utility model solves is to provide a kind of light metal alloy high speed casting solidification forming device, to be lifted
The production efficiency of light metal alloy strand.
This utility model is to be achieved through the following technical solutions：
A kind of light metal alloy high speed casting solidification forming device is it is characterised in that include being provided with the knot of liquid level detector
Brilliant device, smelt spout is connected with crystallizer through submersed nozzle, and smelt spout is provided with flow control mechanism；
Liquid level detector detects the melt liquid level height in crystallizer, and it is single that the information conveyance detecting processes to calculating
Unit；Flow control information is sent to flow controlling unit, flow controlling unit after processing detection data by calculation processing unit
Send flow control instruction to flow control mechanism, adjust the melt flow that alloy melt flows into crystallizer through submersed nozzle,
Maintain the liquid level in crystallizer；
The bottom of crystallizer is provided with drawing device, the strand of solidification is continuously pulled down and send.
It is provided with electric heater unit inside described submersed nozzle, the mouth of a river is heated, simultaneously in inflow crystallizer
The alloy melt in portion carries out concurrent heating.
Described crystallizer is additionally provided with mold cover, is provided with crystallizer inwall lubricating arrangement in mold cover, and it can be to
The inwall spraying lubricant of crystallizer.
It is additionally provided with mould vibration device, regular upper of mould vibration device between described crystallizer and basic phase
Under move back and forth, drive crystallizer to move up and down with the same characteristics of motion.
Using long crystallization inwall, inner wall outside face is communicated with the water tank of cooling water to described crystallizer, by water tank
Water rate control is to control intensity of cooling.
Compared with prior art, this utility model has following beneficial technique effect：
1) calculation processing unit, flow controlling unit, smelt spout, flow control mechanism, submersed nozzle, liquid level inspection
Survey device and constitute crystallizer closed loop fluid level control system, the height of energy effective control mold liquid level.
2) carry electric heater unit inside submersed nozzle, the mouth of a river is heated, simultaneously within inflow crystallizer
Alloy melt carries out concurrent heating, can improve Inner Quality of Billet.
3), in normal casting cycle, below submersed nozzle immersion mold liquid level, alloy melt is from mold liquid level
Side flows into, and is on the one hand prevented effectively from and aoxidizes with air directly contact, on the other hand smooth by the melt flowing into crystallizer
Scouring force, melt below agitated batch crystallizer liquid level, so that melt temperature gradient is reduced, smash solidification edge primary crystallization knot of tissue
Structure, reduces the occurrence probability that center portion solidifies shrinkage cavity and crackle, improves Inner Quality of Billet.
4) mold cover is provided with crystallizer inwall lubricating arrangement, can reduce from trend crystallizer inwall spraying lubricant
Frictional force between strand folding process and crystallizer inwall, plays lubrication.
5) mold oscillation drives crystallizer also to move up and down with the same characteristics of motion, strengthens casting blank shell and crystallizer
Shelling ability between inwall, improves cc billet surface quality, improves casting blank solidification heat-transfer effect, improves strand casting rate.
Brief description
Fig. 1 is apparatus structure schematic diagram of the present utility model；
Wherein, 1 is calculation processing unit, and 2 is flow controlling unit, and 3 is smelt spout, and 4 is flow control mechanism, 5
For submersed nozzle, 6 is liquid level detector, and 7 is mold cover, and 8 is crystallizer, and 9 is mould vibration device.
Specific embodiment
With reference to specific embodiment, this utility model is described in further detail, described is to this utility model
Explanation rather than restriction.
Referring to Fig. 1, a kind of light metal alloy high speed casting solidification forming device, including the crystallization being provided with liquid level detector 6
Device 8, smelt spout 3 is connected with crystallizer 8 through submersed nozzle 5, and smelt spout 3 is provided with flow control mechanism 4；
Liquid level detector 6 detects the melt liquid level height in crystallizer 8, and the information conveyance detecting is processed to calculating
Unit 1；Flow control information is sent to flow controlling unit 2, flow-control after processing detection data by calculation processing unit 1
Unit 2 sends flow control instruction to flow control mechanism 4, adjusts alloy melt and flows into the molten of crystallizer 8 through submersed nozzle 5
Body flow, maintains the liquid level in crystallizer 8；
The bottom of crystallizer 8 is provided with drawing device, the strand of solidification is continuously pulled down and send.
It is provided with electric heater unit inside further described submersed nozzle 5, the mouth of a river is heated, simultaneously to inflow
Alloy melt within crystallizer carries out concurrent heating.
Described crystallizer 8 is additionally provided with mold cover 7, is provided with crystallizer inwall lubricating arrangement in mold cover 7, can be to
The inwall spraying lubricant of crystallizer 8.
It is additionally provided with mould vibration device 9, mould vibration device 9 is regular between described crystallizer 8 and basic phase
Move back and forth up and down, drive crystallizer 8 to move up and down with the same characteristics of motion.
The method that light metal alloy high speed casting solidification forming is given below, operates including following：
1) alloy melt of smelt spout conveying is connected with crystallizer through submersed nozzle, sets in smelt spout
Put flow control mechanism；
2) detector detects the height and position of melt liquid level in crystallizer, the information conveyance detecting is given and calculates process list
Unit；
After calculation processing unit is processed to detection data, input flow rate control unit carries out data processing；
3) flow controlling unit carries out after Treatment Analysis to input information, to the flow-control connecting with smelt spout 3
Mechanism sends instruction；
4), after flow control mechanism is connected to flow controlling unit information command, adjusts alloy melt and flow into through submersed nozzle
The melt flow size of crystallizer, with stable crystalline device liquid level；
5) melt in crystallizer is protected by mold cover with air insulated, is provided with crystallizer inwall lubricating arrangement in it,
Can be to crystallizer inwall spraying lubricant；
6) crystallizer, using long crystallization inwall, increases cooled and solidified length in crystallizer for the melt；Outside crystallizer inwall
Side is communicated with the water tank of cooling water, controls intensity of cooling by the water rate control of water tank；
7) strand is continuously pulled down in the presence of drawing device and send by the strand solidifying in crystallizer.
Further, carry electric heater unit inside submersed nozzle, the mouth of a river is heated, simultaneously to inflow crystallizer
Internal alloy melt carries out concurrent heating, and in normal casting cycle, alloy melt flows into below mold liquid level, on the one hand effectively
Avoid aoxidizing with air directly contact, on the other hand by the melt smoothness scouring force flowing into crystallizer, agitated batch crystallizer
Melt below liquid level, makes melt temperature gradient reduce, and smashes solidification edge primary crystallization organizational structure, reduces center portion solidification shrinkage cavity
With the occurrence probability of crackle, improve Inner Quality of Billet.
Crystallizer, using long crystallization inwall, increases cooled and solidified length in crystallizer for the melt, crystallizer inner wall outside
The water tank that there is water flowing cooling in face combines, by water rate control, controllable intensity of cooling, and improve casting blank solidification cooling effect.Water
Case can need segmentation feedwater cooling according to upper and lower intensity of cooling；Inwall can pass through to increase gap, or employing i.e. permeable oil medium,
The material that solidification of metal melt crystallizes needs can be met, will pass through infiltration oil medium lubrication crystallizer inwall again.
Mold cover, in addition to protected melt in crystallizer with air insulated, is also carried and is provided with crystallizer inwall lubrication
Device, can flow to melt liquid level and crystallizer from trend crystallizer inwall spraying lubricant, lubricant under crystallizer inwall
Behind contact internal walls gap, there is carbonization because touching high temperature crystallizer inwall, form carbon film, in strand outer surface and crystallizer
Form carbon film between wall, reduce the frictional force between strand folding process and crystallizer inwall, play lubrication.
In casting cycle, mould vibration device is moved back and forth according to specific up-down vibration parameter, drives knot
Brilliant device is also moved up and down with the same characteristics of motion, so that relative generation between strand outer surface and crystallizer inwall is up and down reciprocatingly transported
Dynamic, strengthen the shelling ability between casting blank shell and crystallizer inwall, improve cc billet surface quality, improve casting blank solidification heat transfer effect
Really, improve strand casting rate.
Example given above is to realize this utility model preferably example, and this utility model is not limited to above-mentioned enforcement
Example.Any nonessential interpolation that those skilled in the art is made according to the technical characteristic of technical solutions of the utility model,
Replace, belong to protection domain of the present utility model.
Claims (5)
1. a kind of light metal alloy high speed casting solidification forming device is it is characterised in that include being provided with the knot of liquid level detector (6)
Brilliant device (8), smelt spout (3) is connected with crystallizer (8) through submersed nozzle (5), and smelt spout (3) is provided with flow
Controlling organization (4)；
Liquid level detector (6) detects the melt liquid level height in crystallizer (8), and the information conveyance detecting is processed to calculating
Unit (1)；Flow control information is sent to flow controlling unit (2) after processing detection data by calculation processing unit (1), stream
Amount control unit (2) sends flow control instruction to flow control mechanism (4), adjusts alloy melt and flows through submersed nozzle (5)
Enter the melt flow of crystallizer (8), maintain the liquid level in crystallizer (8)；
The bottom of crystallizer (8) is provided with drawing device, the strand of solidification is continuously pulled down and send.
2. light metal alloy high speed casting solidification forming device as claimed in claim 1 is it is characterised in that described immersion
It is provided with electric heater unit inside the mouth of a river (5), the mouth of a river is heated, the alloy melt flowing within crystallizer is mended simultaneously
Heat.
3. light metal alloy high speed casting solidification forming device as claimed in claim 1 is it is characterised in that described crystallizer
(8) it is additionally provided with mold cover (7), in mold cover (7), is provided with crystallizer inwall lubricating arrangement, it can be to crystallizer (8)
Inwall spraying lubricant.
4. light metal alloy high speed casting solidification forming device as claimed in claim 1 is it is characterised in that described crystallizer
(8) it is additionally provided with mould vibration device (9) between basic phase, regular the moving back and forth up and down of mould vibration device (9),
Crystallizer (8) is driven to move up and down with the same characteristics of motion.
5. light metal alloy high speed casting solidification forming device as claimed in claim 1 is it is characterised in that described crystallizer
(8) using long crystallization inwall, inner wall outside face is communicated with the water tank of cooling water, controls cooling by the water rate control of water tank
Intensity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010965.XU CN205996153U (en) | 2016-08-30 | 2016-08-30 | A kind of light metal alloy high speed casting solidification forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010965.XU CN205996153U (en) | 2016-08-30 | 2016-08-30 | A kind of light metal alloy high speed casting solidification forming device |
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| CN205996153U true CN205996153U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111934A (en) * | 2016-08-30 | 2016-11-16 | 中国重型机械研究院股份公司 | A kind of light metal alloy high speed casting solidification forming device and method |
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2016
- 2016-08-30 CN CN201621010965.XU patent/CN205996153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111934A (en) * | 2016-08-30 | 2016-11-16 | 中国重型机械研究院股份公司 | A kind of light metal alloy high speed casting solidification forming device and method |
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