CN202116631U - Device for preparing semi-solid alloy rheological slurry or blank - Google Patents
Device for preparing semi-solid alloy rheological slurry or blank Download PDFInfo
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- CN202116631U CN202116631U CN2011202036014U CN201120203601U CN202116631U CN 202116631 U CN202116631 U CN 202116631U CN 2011202036014 U CN2011202036014 U CN 2011202036014U CN 201120203601 U CN201120203601 U CN 201120203601U CN 202116631 U CN202116631 U CN 202116631U
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- tundish
- agitator arm
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Abstract
The utility model relates to a device for preparing semi-solid alloy rheological slurry or a semi-solid alloy rheological blank, which mainly consists of a slurry preparation chamber, a tundish, a cooling water tank, a motor, a stirring rod, an electromagnetic stirrer, a supporting arm and a hydraulic lifting device, wherein the cooling water tank and the electromagnetic stirrer are sequentially arranged at the periphery of the slurry preparation chamber; the tundish is arranged at the upper part of the slurry preparation chamber; a slurry preparation chamber cavity is formed by the tundish and the slurry preparation chamber; a heater is arranged at the periphery of the tundish; the stirring rod is arranged at the middle part of the slurry preparation chamber; the stirring rod is mounted on the supporting arm of a hydraulic device and is driven to rotate by the motor; the stirring rod is lifted and descended by the hydraulic device; the bottom of the stirring rod is provided with a choke plug which is used for controlling an outflowing rate of the semi-solid slurry by lifting and descending of the hydraulic device; the center lines of the stirring rod and the electromagnetic stirrer are coincident with the center line of the slurry preparation chamber; and the rotating direction of the stirring rod is opposite to the direction of a rotating magnetic field generated by the electromagnetic stirrer. The device has the advantages that the rate of shearing alloy melt is high; the alloy melt is sufficiently stirred; a temperature field and a component field are more uniform; equipment has a simple and compact structure; the investment cost is low; and the device is convenient to control.
Description
Technical field
The utility model belongs to the semi-solid-state metal processing technique field, relates to a kind of device for preparing semi-solid alloy rheological slurry or blank.
Background technology
Semi-solid state forming technique is Flemings professor invention and the foundation of the seventies in last century by the U.S., and this technology is owing to the advantage of uniquenesses such as having nearly end form, energy-conserving and environment-protective, die life is long, foundry goods is heat-treatable strengthened has obtained extensive concern both domestic and external and further investigation.And in this technology, the preparation of semi solid slurry is one of key link.In decades, around the preparation of semi solid slurry, invented multiple technology of preparing both at home and abroad in succession, like electromagnetic stirring method; Mechanical mixing method; Multiple preparing methods such as duplex paddling process.And in these preparing methods; Electromagnetic stirring method since have do not pollute alloy, alloy pulp is pure, controlled variable is easy to regulate, can the continuous production rheological slurry or advantage such as continuous casting; Therefore dropped into and commercially produced and obtained application in a big way; Become present production semi-solid-state metal and the main preparation method of alloy pulp, but because the existence of electromagnetic induction skin effect, the whipping force that alloy pulp receives is uneven; Cause the semi solid slurry primary phase of final preparation to organize bigger than normal, grain morphology not rounding, skewness, influenced the expansion of electromagnetic agitating technology range of application and the raising of competitive power.Therefore, in order to overcome these shortcomings of electromagnetic stirring method, launch good try in many-sides such as the design of magnetic stirrer, alr modes both at home and abroad, also obtained many useful achievements in research, but the not important breakthrough on the acquisition of technology.
Prepare in the equipment and method of semi-solid alloy slurry or blank in induction stirring; No. 4434837 patents of the U.S. and 4229210 all disclose a kind of electromagnetic mixing apparatus and method for preparing semi-solid-state metal and alloy pulp and blank; Its cardinal principle is to utilize the intensive induction stirring to smash primary dendrite; The inhibition primary grain is grown to dendritic crystal state, thereby prepares the semi-solid-state metal and the alloy pulp of spherical or granular primary grain.But when adopting the disclosed electromagnetic mixing apparatus of above-mentioned patent to prepare semi solid slurry; The electromagnetic stirring force that alloy melt receives is skewness diametrically, and shearing resistance that receive away from the alloy melt of magnetic stirrer is little near the limit portion melt shearing resistance of whisking appliance is big.Stock quality is also relatively poor.
Chinese patent 200420112702.0 has also proposed the device that a kind of composite electromagnetic paddling process prepares semi-solid metal slurry continuously; The primary structure and the principle of this device are: in tundish, apply induction stirring; Make the whole uniform decrease in temperature of tundish superheated liquid to liquidus temperature, outside thrust-augmenting nozzle, all apply intense electromagnetic and stir, metal liquid stream can obtain to cool off fully fast; Forming core quantity is significantly increased, the obvious refinement of solidified structure.Adopt aforesaid device to prepare semi-solid metal slurry; Can solve in the prior art since leave standstill merely preservation and controlling casting metal liquid near the difficult operability of liquidus temperature and the metal liquid superheating temperature brought thus the technical barrier of mobile variation when too low, also can avoid since in the prior art big, the metal liquid of pulping chamber size stir the inhomogeneous even and uneven problem of solidified structure of inhomogeneous cooling that causes.But when adopting this device to prepare semi-solid metal slurry; Though adopted intensive composite electromagnetic stirring technique to help flowing of semi-solid alloy slurry; But the whipping force that slurry receives is still inhomogeneous; Shearing resistance or shearing rate are less and inhomogeneous, cause the ununiformity of slurry tissues still obviously to exist.
When the preparation semi solid slurry, the size and the distribution of shearing resistance that alloy melt receives or shearing rate are important parameters that influences the pulp preparation quality.When adopting electromagnetic agitation method to prepare slurry, because the existence of skin effect, shearing resistance or shearing rate that melt inside is received are different.The shearing rate that receives near the melt of magnetic stirrer is big, and the shearing resistance that receives away from the melt of whisking appliance is little, and far away more apart from magnetic stirrer, and the shearing resistance that receives is more little.Therefore how to overcome this shortcoming of magnetic stirrer, strengthen suffered shearing resistance and its uniform distribution of alloy melt and just become the key of dealing with problems.
The utility model content
The purpose of the utility model is to provide a kind of shearing rate height, stirring is abundant, simple in structure, cost is low and a kind of easily device for preparing semi-solid alloy rheological slurry or blank of control.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of device for preparing semi-solid alloy rheological slurry or blank, this device comprises pulping chamber, in the periphery of this pulping chamber promising cooling water tank and magnetic stirrer is installed successively from inside to outside; Pulping chamber top is provided with tundish, and the top of pulping chamber is communicated with the bottom of tundish, so that tundish and pulping chamber form the slurrying chamber jointly; The tundish periphery is provided with the well heater that the alloy melt in the tundish is incubated; Center in the bottom of described pulping chamber is provided with discharge port; The middle part of this pulping chamber is provided with agitator arm; The bottom of this agitator arm is provided with the chock plug of the flow size of control discharge port, and the top of this agitator arm connects the rotating actuator and the motor thereof of this agitator arm rotation of control; The top of this agitator arm is installed on the sway brace of the hydraulicefficiency plant that goes up and down of this agitator arm of control; The central lines of the medullary ray of described agitator arm, the medullary ray of magnetic stirrer and pulping chamber.
The device of the preparation semi-solid alloy rheological slurry of the utility model, this installs mainly by pulping chamber, tundish, cooling water tank, motor, agitator arm, magnetic stirrer, sway brace, hydraulic lift, well heater, temperature controller are formed.Pulping chamber is a ring-type cylinder; Its periphery is equipped with cooling water tank and magnetic stirrer successively; Pulping chamber top is provided with tundish, and tundish and pulping chamber are formed the pulping chamber chamber jointly, and the tundish periphery is provided with well heater and can the alloy melt in the tundish be incubated; The pulping chamber middle part is provided with agitator arm, and agitator arm is installed on the sway brace of hydraulicefficiency plant, and agitator arm relies on the electric motor driving rotation, and agitator arm goes up and down through hydraulicefficiency plant.The agitator arm bottom is provided with the take-off rate that chock plug relies on the up-down control semi solid slurry of hydraulicefficiency plant.The medullary ray of agitator arm, magnetic stirrer and the central lines of pulping chamber.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, described pulping chamber is a ring-type cylinder; Described tundish also is a ring-type cylinder; Wherein, the ring-type drum diameter of tundish is greater than the ring-type drum diameter of pulping chamber, tundish and pulping chamber the common longitudinal section that forms the slurrying chamber be T shape.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, the sense of rotation of the sense of rotation of agitator arm and induction stirring rotatingfield is opposite.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, agitator arm moves up and down through hydraulicefficiency plant through the electric motor driving rotation.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, the magnetic stirrer of employing is the rotatingfield magnetic stirrer.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, in order to prevent that EM field is exerted an influence, pulping chamber and cooling water tank material be nonmagnetic metal materials such as austenitic stainless steel, titanium, molybdenum, cobalt, chromium, nickel or copper; The material of agitator arm is nonmagnetic metal materials such as austenitic stainless steel, titanium, molybdenum, cobalt, chromium, nickel or copper, perhaps non-metallic material such as graphite, pottery or corundum; The material of tundish is a refractory materials.
In the device of the preparation semi-solid alloy rheological slurry of the utility model or blank, the heat-eliminating medium that cooling water tank feeds is room temperature water coolant, wet goods heat-eliminating medium.
This device sets traditional induction stirring and churned mechanically advantage; Make alloy melt under the acting in conjunction of electromagnetic stirring force and mechanical force; The realization intensive stirs; Obtain very high shearing rate, thereby smash the dendritic structure that produces in the alloy melt process of setting, obtain the tiny and uniform ring initial crystal and organize slurry.
Compared with prior art, the utility model has the advantages that:
(1) shearing rate that receives of alloy melt is high, and alloy melt stirs fully, and the temperature field will be more even with becoming the another arena;
(2) simple in structure, cost is low, and control is convenient;
The utility model both had been suitable for the preparation of aluminum base alloy and composite material semi-solid state slurry or blank, also was suitable for the preparation of Magnuminium, copper base alloy, zinc base alloy, ferrous alloy and other non-ferrous metal alloys and composite material semi-solid state slurry or blank.
Description of drawings
Fig. 1 is the device synoptic diagram of preparation semi-solid alloy rheological slurry or blank.
Embodiment
Fig. 1 is the device synoptic diagram of preparation semi-solid alloy rheological slurry or blank.This device includes pulping chamber 5, in the periphery of pulping chamber 5 by being disposed with cooling water tank 4, magnetic stirrer 3 from the inside to surface.Pulping chamber top is provided with tundish 1, tundish 1 and the pulping chamber 5 common pulping chamber chambeies of forming, and in the slurry chamber, be provided with temperature controller 12, the alloy melt that tundish 1 periphery is provided with in 13 pairs of tundish of well heater 1 is incubated; The middle part of described pulping chamber 5 is provided with agitator arm 11.Agitator arm 11 is installed on the sway brace 9, and wherein, agitator arm 11 can be installed on the sway brace 9 through bearing, thereby makes agitator arm 11 both can rotate with respect to sway brace 9, can follow sway brace 9 again and move up and down; Motor 10 and rotating actuator thereof (not shown) are installed on the sway brace 9; Agitator arm 11 relies on motors 10 to be rotated through the drive of its rotating actuator (not shown), and rotating actuator can be for like rotating actuators such as conical gear or turbine worm transmission rigs; Agitator arm 11 can go up and down through hydraulicefficiency plant 8, and wherein, agitator arm 11 is installed on the sway brace 9; The other end of sway brace 9 is connected with the transmission rig of hydraulicefficiency plant 8; Sway brace 9 is that a cross bar is the level of state, and agitator arm 11 and hydraulicefficiency plant 8 are respectively horizontal by plumbness, and hydraulicefficiency plant 8 is when work; Its output terminal is up and down, and is motion up and down through the transmission rig drive sway brace 9 (whole cross bar) of hydraulicefficiency plant 8; Sway brace 9 drives agitator arms 11 and is up and down, and regulates the aperture of chock plug 6 and discharge port of the bottom of agitator arm 11, with the size of the flow of control discharge port.Be provided with chock plug 6 in the bottom of agitator arm 11, the semi solid slurry for preparing can be regulated the size of adjusting flow through the up-down of agitator arm 11 to chock plug 6.Cooling water tank is provided with prosopyle 7 and posticum 2, and heat-eliminating medium cools off the alloy melt the pulping chamber 5 from prosopyle 7 entering of cooling water tank, flows out from posticum 2 then.
The main embodiment that the utility model prepares the device of semi-solid alloy rheological slurry or blank is:
In the present embodiment, pulping chamber 5, cooling water tank 4 and agitator arm 11 all adopt austenitic stainless steel to be made.Tundish 1 adopts alumina silica refractory to be made, and magnetic stirrer 3 adopts the rotatingfield magnetic stirrer.When the preparation semi-solid alloy slurry; Elder generation's primer fluid pressure device 8 places extreme lower position that chock plug 6 is in the close position agitator arm 11; Be that 650 ℃ A356 aluminium alloy melt pours into pulping chamber 5 and tundish 1 with a certain amount of temperature then; Open motor 10, agitator arm 11 begins rotation, and speed of rotation is 600r/min.Open magnetic stirrer 3 simultaneously, power input is 3Kw, and frequency is 20Hz, and the rotatingfield direction of generation is opposite with the sense of rotation of agitator arm 11.The flow of the room temperature water coolant that feeds in the cooling water tank 4 is 10 liters/min.When melt temperature drops to 600 ℃ in temperature controller 12 detects pulping chamber 5; Just obtained semi-solid state A356 aluminium alloy size; Open hydraulicefficiency plant 8 then, agitator arm 11 is risen, chock plug 6 is opened; Semi-solid state A356 aluminium alloy size flows out to collect from chock plug 6 and moves into direct forming pressure die-casting machine, swaging machine or the extrusion machine, and perhaps cooling down obtains the raw material of semi-solid state A356 aluminum alloy blank as follow-up thixotropic forming.
For the device of implementing the utility model both had been suitable for the preparation of the semi solid slurry of aluminum base alloy, also be suitable for the preparation of the semi solid slurry of Magnuminium, zinc base alloy, copper base alloy, nickel-base alloy, cobalt base alloy and ferrous alloy and matrix material thereof.
Claims (3)
1. device for preparing semi-solid alloy rheological slurry or blank, it is characterized in that: this device comprises pulping chamber, in the periphery of this pulping chamber promising cooling water tank and magnetic stirrer is installed successively from inside to outside; Pulping chamber top is provided with tundish, and the top of pulping chamber is communicated with the bottom of tundish, so that tundish and pulping chamber form the slurrying chamber jointly; The tundish periphery is provided with the well heater that the alloy melt in the tundish is incubated; Center in the bottom of described pulping chamber is provided with discharge port; The middle part of this pulping chamber is provided with agitator arm; The bottom of this agitator arm is provided with the chock plug of the flow size of control discharge port, and the top of this agitator arm connects the rotating actuator and the motor thereof of this agitator arm rotation of control; The top of this agitator arm is installed on the sway brace of the hydraulicefficiency plant that goes up and down of this agitator arm of control; The central lines of the medullary ray of described agitator arm, the medullary ray of magnetic stirrer and pulping chamber.
2. according to the device of described preparation semi-solid alloy rheological slurry of claim 1 or blank, it is characterized in that: described pulping chamber is a ring-type cylinder; Described tundish also is a ring-type cylinder; Wherein, the ring-type drum diameter of tundish is greater than the ring-type drum diameter of pulping chamber, tundish and pulping chamber the common longitudinal section that forms the slurrying chamber be T shape.
3. according to the device of claim 1 or 2 described preparation semi-solid alloy rheological slurries or blank, it is characterized in that: the rotatingfield that described agitator arm sense of rotation and magnetic stirrer produce in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202036014U CN202116631U (en) | 2011-06-16 | 2011-06-16 | Device for preparing semi-solid alloy rheological slurry or blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202036014U CN202116631U (en) | 2011-06-16 | 2011-06-16 | Device for preparing semi-solid alloy rheological slurry or blank |
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| Publication Number | Publication Date |
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| CN202116631U true CN202116631U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202036014U Expired - Lifetime CN202116631U (en) | 2011-06-16 | 2011-06-16 | Device for preparing semi-solid alloy rheological slurry or blank |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045884A (en) * | 2013-01-24 | 2013-04-17 | 哈尔滨工业大学 | Device and method for preparing large-size light alloy semi-solid billet |
| CN104289137A (en) * | 2014-09-29 | 2015-01-21 | 丁玉清 | Adjustable magnetic stirring device |
| CN106270420A (en) * | 2015-05-14 | 2017-01-04 | 北京有色金属研究总院 | The cutting of metal bath Homogenization Treatments is broken dissipates apparatus and method |
| CN106925180A (en) * | 2017-03-24 | 2017-07-07 | 广东工业大学 | A kind of controllable self- poking arrangement of temperature drop speed and process |
| CN107029613A (en) * | 2017-05-10 | 2017-08-11 | 包头市鑫业新材料有限责任公司 | A kind of rare metal alloy electromagnetic processing equipment |
| CN104741552B (en) * | 2013-12-27 | 2017-10-10 | 北京有色金属研究总院 | A kind of device and method for preparing big specification ultra-high-strength aluminum alloy continuous casting |
| CN107856186A (en) * | 2017-10-19 | 2018-03-30 | 长沙市凤英机械科技有限公司 | A kind of Simple cement sandstone stir stroller |
| CN109249011A (en) * | 2017-07-12 | 2019-01-22 | 北京有色金属研究总院 | It is a kind of to prepare fine grain homogeneous casting compounding flux processing unit and method |
| CN110153386A (en) * | 2019-06-20 | 2019-08-23 | 西安建筑科技大学 | A kind of whirling vibration agitating device being used to prepare semi-solid blank |
| CN110625083A (en) * | 2019-09-27 | 2019-12-31 | 西南交通大学 | Device and method for preparing aluminum alloy semi-solid slurry |
| CN110813176A (en) * | 2019-12-19 | 2020-02-21 | 安徽顶艺机车部件智造有限公司 | Zinc liquid agitator tank |
| CN111451463A (en) * | 2020-04-17 | 2020-07-28 | 江苏环胜合金科技有限公司 | High-precision silver-copper bar semi-continuous casting equipment with stirring vibration device |
| CN114150170A (en) * | 2021-11-30 | 2022-03-08 | 大连交通大学 | Stirring device, stirring method and application for preparing aluminum alloy semi-solid composite slurry |
| CN114939367A (en) * | 2022-06-17 | 2022-08-26 | 燕山大学 | Device and method for preparing semi-solid metal by combining permanent magnetic stirring and mechanical stirring |
-
2011
- 2011-06-16 CN CN2011202036014U patent/CN202116631U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045884A (en) * | 2013-01-24 | 2013-04-17 | 哈尔滨工业大学 | Device and method for preparing large-size light alloy semi-solid billet |
| CN103045884B (en) * | 2013-01-24 | 2014-08-27 | 哈尔滨工业大学 | Device and method for preparing large-size light alloy semi-solid billet |
| CN104741552B (en) * | 2013-12-27 | 2017-10-10 | 北京有色金属研究总院 | A kind of device and method for preparing big specification ultra-high-strength aluminum alloy continuous casting |
| CN104289137A (en) * | 2014-09-29 | 2015-01-21 | 丁玉清 | Adjustable magnetic stirring device |
| CN106270420A (en) * | 2015-05-14 | 2017-01-04 | 北京有色金属研究总院 | The cutting of metal bath Homogenization Treatments is broken dissipates apparatus and method |
| CN106925180A (en) * | 2017-03-24 | 2017-07-07 | 广东工业大学 | A kind of controllable self- poking arrangement of temperature drop speed and process |
| CN107029613A (en) * | 2017-05-10 | 2017-08-11 | 包头市鑫业新材料有限责任公司 | A kind of rare metal alloy electromagnetic processing equipment |
| CN109249011A (en) * | 2017-07-12 | 2019-01-22 | 北京有色金属研究总院 | It is a kind of to prepare fine grain homogeneous casting compounding flux processing unit and method |
| CN107856186A (en) * | 2017-10-19 | 2018-03-30 | 长沙市凤英机械科技有限公司 | A kind of Simple cement sandstone stir stroller |
| CN110153386A (en) * | 2019-06-20 | 2019-08-23 | 西安建筑科技大学 | A kind of whirling vibration agitating device being used to prepare semi-solid blank |
| CN110625083A (en) * | 2019-09-27 | 2019-12-31 | 西南交通大学 | Device and method for preparing aluminum alloy semi-solid slurry |
| CN110625083B (en) * | 2019-09-27 | 2024-01-30 | 西南交通大学 | Device and method for preparing aluminum alloy semi-solid slurry |
| CN110813176A (en) * | 2019-12-19 | 2020-02-21 | 安徽顶艺机车部件智造有限公司 | Zinc liquid agitator tank |
| CN111451463A (en) * | 2020-04-17 | 2020-07-28 | 江苏环胜合金科技有限公司 | High-precision silver-copper bar semi-continuous casting equipment with stirring vibration device |
| CN114150170A (en) * | 2021-11-30 | 2022-03-08 | 大连交通大学 | Stirring device, stirring method and application for preparing aluminum alloy semi-solid composite slurry |
| CN114939367A (en) * | 2022-06-17 | 2022-08-26 | 燕山大学 | Device and method for preparing semi-solid metal by combining permanent magnetic stirring and mechanical stirring |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190621 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Patentee before: General Research Institute for Nonferrous Metals |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |