CN203128638U - Device for preparing semisolid metal slurry through efficient chilling with low degree of superheat - Google Patents
Device for preparing semisolid metal slurry through efficient chilling with low degree of superheat Download PDFInfo
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- CN203128638U CN203128638U CN 201320089862 CN201320089862U CN203128638U CN 203128638 U CN203128638 U CN 203128638U CN 201320089862 CN201320089862 CN 201320089862 CN 201320089862 U CN201320089862 U CN 201320089862U CN 203128638 U CN203128638 U CN 203128638U
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Abstract
The utility model discloses a device for preparing a semisolid metal slurry through efficient chilling with a low degree of superheat. The device comprises a quantitative soup taking machine which is matched with a preparation crucible, a temperature sensor which is arranged in the preparation crucible and is used for measuring the temperature of molten metal, as well as a slurry preparation system, a dumping system and a control system, wherein the control system is used for controlling the slurry preparation system and the dumping system; the slurry preparation system comprises a first support as well as a lifting mechanism, a rotating mechanism and a chilling system which are arranged on the first support; the chilling system comprises a hollow rod with blind holes, and an air pipe for conveying a cooling medium is introduced into the hollow rod; the hollow rod is connected with the rotating mechanism and the lifting mechanism; and the dumping system is connected with the preparation crucible to dump the molten metal in the preparation crucible. The device is low in investment and high in production efficiency.
Description
Technical field
The utility model relates to the device that the efficient Quench of a kind of low overheat prepares semi-solid metal slurry.
Background technology
In semi-solid-state metal (or alloy) forming technique, have the semi-solid metal slurry of spherical primary phase or the preparation of blank and be in most crucial position.Reduce the preparation cost of slurry and shorten the developing direction that its technical process is semi-solid-state metal forming technique at present and even in the several years from now on, and online quick preparation slurry is the focus that this engineeringization and industrialization are paid close attention to.
At present, preparation method's (special arrangement or equipment of comprising slurrying) of existing semi-solid metal slurry mainly contains following several: mechanical mixing method, electromagnetic stirring method, tilting plate method, liquidus line casting, chemical grain refining method, swing roller method, ultrasonication method, spray deposition, damper tube method, serpentine channel method, metal melt hybrid system etc.Wherein, can or just at rarely seen media report of industrialization or business-like semi-solid-state metal molding device, great majority also are in research and development and advanced development.
Mechanical mixing method almost can prepare all semi-solid metal slurries or blank, but this preparation method's main drawback is: short, metal melt of teeter column and stirring rod life-span is contaminated etc. easily, so mechanical mixing method also only is applied in the middle of the preparation of the semi solid slurry of magnesium alloy or blank.Electromagnetic stirring method+Continuous casting process is a kind of method of studying the most successfully at present, dominate still in actual semi-solid-state metal thixotropic forming is used.This preparation method's main drawback is: the electromagnetic efficiency in the induction stirring is very low, and the electromagnetism energy consumption is very high, so the preparation cost of semi-solid-state metal blank is higher, but also needs special electromagnetic stirring equipment.Tilting plate method is exactly that liquid metal with certain superheating temperature is poured on the cooling flat board with certain pitch angle, place the collection crucible of slurry in the lower end of tilted plate, this method is to utilize the chilling action of tilted plate to prepare semi-solid metal slurry, but molten metal is easily at the surface of tilted plate crust.The liquidus line casting makes metal temperature pour into a mould near liquidus line exactly, utilizes moment a large amount of heterogeneous forming cores to prepare semi solid slurry, and this method has important inspiration meaning to invention of other control forming core method.Chemistry grain refining method exist because the adding of nucleating agent all is form with impurity usually, thereby changed the character of metal, and increased the technological operation program and improved production cost etc., so this The Application of Technology also will be restricted.The swing roller method has the effect of mechanical stirring and inner wall of rotary drum Quench simultaneously, and semi solid slurry is superior in quality, but the media report of rarely seen production application.Ultrasonication method, its ultimate principle are to utilize the process of setting of ultrasonic wave disturbance metal, and fining metal crystal grain obtains the semi-solid metal slurry of spherical nascent crystalline substance.Spray deposition, this method is to adopt high-pressure inert gas that metal melt stream is atomized into a large amount of tiny molten, directed flight one segment distance and cooling rapidly under these little molten effects that drop in high velocity air, before not solidifying fully, it strikes on the substrate, because the shearing force that bump produces is enough to smash the molten inner dendrite that forms, cause the material after solidifying to have small grains, compare with other several method, the spray deposition cost is higher, only is applicable to the large size blank of preparation particular requirement.Damper tube method and serpentine channel method all are to utilize the chilling action of inner-walls of duct to prepare semi solid slurry, but for the production of rarely seen media report also.In a word, except mechanical mixing method, electromagnetic stirring method and tilting plate method comparative maturity, other method or production cost are higher or itself still need the industrialization demonstration in these methods, and also rarely seen specialized equipment is reported simultaneously.
Summary of the invention
In order to overcome the production cost height that exists among the existing semi-solid metal slurry preparation method, to lack oversize etc. the shortcoming of industrialization demonstration and technical process, the utility model provides a kind of efficient Quench of low overheat that can online fast quantification prepares medium or low fraction solid to prepare the device of semi-solid metal slurry.
The technical solution adopted in the utility model is:
The efficient Quench of low overheat prepares the device of semi-solid metal slurry, comprise the soup machine of quantitatively getting that cooperates with spare-crucible, be provided with the temperature sensor of the temperature of measuring molten metal in the spare-crucible, it is characterized in that: also comprise the pulp preparation system, topple over system and Controlling System, described Controlling System is controlled described pulp preparation system and is describedly toppled over system;
Described pulp preparation system comprises first bracing frame and is located at hoisting appliance, rotating mechanism and Quench system on described first bracing frame; Described Quench system comprises the hollow bar of being with blind hole, feeds the tracheae for delivery of refrigerant in the hollow bar; Described hollow bar connects described rotating mechanism and hoisting appliance;
Describedly topple over system and connect described spare-crucible, to topple over the molten metal in the described spare-crucible;
Described temperature sensor is to the temperature value of described Controlling System output molten metal, the switch of described hoisting appliance, rotating mechanism, tracheae, topples over system and all connects described Controlling System; When described hollow bar decline entered molten metal, Controlling System was opened the switch of described tracheae, feeds refrigerant in hollow bar, and Controlling System starts rotating mechanism simultaneously, made the hollow bar rotation, prevented that the Quench crystalline substance is at hollow bar surface stop crust; When the molten metal temperature reached preset value, described Controlling System was sent instruction to rotating mechanism and hoisting appliance, hollow bar stop the rotation automatically and on move to starting position, simultaneously Controlling System is sent the instruction of toppling over spare-crucible to toppling over system.
Further, described Controlling System comprises housing and is located at described housing interior temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor, PLC controller and switch; Described temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor and switch all are electrically connected with described PLC controller; The temperature that described temperature indicator displays temperature sensor sensing arrives; Described frequency transformer is regulated the rotating speed of described hollow bar; Described solenoid electric valve is respectively applied to control the motion of described hoisting appliance and described ejecting mechanism; Described switch comprises the switch of pulp preparation system, switch and the dumping switch of tracheae.
Further, describedly topple over system and comprise second cylinder, connecting rod and bearing support, described bearing support is fixed on second bracing frame, and described second bracing frame is located on the base; Described second cylinder, one end is installed on the described base, and the other end and described connecting rod one end are hinged, and the described connecting rod the other end is installed on the rotation axis of described bearing support and by bearing it is supported; Thereby described spare-crucible is arranged on the rotation axis of described bearing support and by second cylinder action drive described link work drive rotation axis rotate described spare-crucible is tilted pour liquid metal the pressure of pressure die-casting machine into indoor; The piston motion of described second cylinder is by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
Further, described hollow bar upper end is provided with chuck, and the upper end of described chuck is equipped with open tube, and the upper end of described open tube is equipped with solid bearing, on the described solid bearing supporting plate is installed; The other end of described tracheae passes described open tube and is located at the outside of described open tube.
Further, described hoisting appliance comprises first cylinder and guide pillar, described first cylinder by screw attachment on described first bracing frame, the air inlet of described first cylinder and exhaust are by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
Further, described rotating mechanism comprises motor, driving gear, follower gear and solid bearing, described motor is fixed on the motor frame, described motor frame is fixedly mounted on the supporting plate, described motor frame is connected with the piston of described first cylinder, promotes described first cylinder by described piston and moves up and down; The two ends of described supporting plate are connected with the lower end of described guide pillar respectively, and described guide pillar is connected with described first bracing frame by orienting sleeve; The tip of the axis of described motor is provided with described driving gear, and described driving gear and described follower gear are meshing with each other, and described driving gear rotates under described motor effect, makes described hollow bar rotation thereby drive described follower gear rotation.
Further, described temperature sensor is one nickel chromium triangle-nisiloy type thermopair.
Further, described second bracing frame below described connecting rod is provided with the position-limited rack of the described link work of restriction.
The concrete steps that the utility model prepares the method for semi-solid metal slurry are:
(1) determine the temperature of Metal Melting: during melting with the superheating temperature control of liquid metal in 50～70 ℃ of scopes, the liquid towards metal carries out refining then, leave standstill after the refining, skim and survey air content, with the control of liquid metal superheating temperature in 10～30 ℃ of scopes;
(2) quantitatively get soup: the soup ladle preheating, determine to get the soup amount according to the weight summation of foundry goods, slag trap, gating system and material cake, the soup of getting is poured in the good spare-crucible of prior preheating; The preheating temperature of described spare-crucible is 350～450 ℃;
(3) preparation semi solid slurry: after spare-crucible has been contained given soup stock, start the pulp preparation system switching hollow bar is dropped in the spare-crucible, this moment, hollow bar began rotation, simultaneously refrigerant was fed the hollow bar Quench; When the temperature of liquid metal in the spare-crucible drops to the temperature of setting, from liquid metal, withdraw from hollow bar; Pulp preparation finishes;
(4) topple over and injection: start dumping switch, spare-crucible is directly poured semi solid slurry into prior preheating good pressure chamber under the effect of ejecting mechanism, then directly injection.
During pulp preparation described in the utility model system operation, open the switch of pulp preparation system, when the descent of piston of first cylinder promotes in the aluminium liquid that hollow bar enters spare-crucible, motor will drive hollow bar by the gear combination transmission and rotate, and the while tracheae will feed pressurized air.Set(ting)value with temperature indicator is set to the temperature required value of slurry in advance, when aluminium liquid becomes semi solid slurry and reach the value of design temperature, send instruction and be transferred to solenoid electric valve by the PLC controller, first cylinder piston begins to rise at this moment, motor stops operating simultaneously, close the serum producing system switch at last, at this moment, pulping process is finished.
Described in the utility modelly topple over system when operation, the piston of second cylinder promotes spare-crucible by connecting rod and rotates.The PLC controller is passed to solenoid electric valve with instruction simultaneously, solenoid electric valve is controlled the piston motion of second cylinder, when pulp preparation finishes, open dumping switch, semi solid slurry in the spare-crucible will topple over, after having fallen in slurry, close dumping switch, spare-crucible is got back to level attitude again.
The beneficial effects of the utility model are embodied in:
(1) preparation system of semi-solid metal slurry and topple over system and be installed in the top that pressure die-casting machine is pressed the chamber feeding mouth, it is very little to take up room, and the slurry for preparing can be toppled over die casting immediately, has save the course of conveying of slurry, makes the Controllable Temperature of slurry;
(2) when the preparation slurry, use heat-eliminating medium that hollow bar is forced cooling, metal melt thereby can form the more primary nucleus, and make nascent nucleus free to whole metal melt inside by the centrifugal force that hollow bar rotation produces, thereby improved the grain density of metal melt inside, also reduced simultaneously the primary grain size, therefore the mechanical property of foundry goods is improved; (3) need not pressure die-casting machine is transformed, have less investment, production efficiency height, realize automatization or man-machine integration production easily.
Description of drawings
Fig. 1 is the utility model pulp preparation system architecture synoptic diagram.
Fig. 2 is that the utility model is toppled over the system architecture synoptic diagram.
Fig. 3 is the utility model chuck structure synoptic diagram.
Fig. 4 is the utility model position-limited rack structural representation.
Fig. 5 is the utility model bar linkage structure synoptic diagram.
Fig. 6 is the utility model guide pillar structural representation.
Embodiment
Referring to figs. 1 through Fig. 6, the efficient Quench of low overheat prepares the device of semi-solid metal slurry, comprise the soup machine of quantitatively getting that cooperates with spare-crucible 21, be provided with the temperature sensor 14 of the temperature of measuring molten metal in the spare-crucible, also comprise the pulp preparation system, topple over system and Controlling System, described Controlling System is controlled described pulp preparation system and is describedly toppled over system;
Described pulp preparation system comprises first bracing frame 3 and is located at hoisting appliance, rotating mechanism and Quench system on described first bracing frame 3; Described Quench system comprises the hollow bar 10 of being with blind hole, feeds the tracheaes 15 for delivery of refrigerant in the hollow bar 10; Described hollow bar 10 connects described rotating mechanism and hoisting appliance;
Describedly topple over system and connect described spare-crucible 21, to topple over the molten metal in the described spare-crucible 21;
Described temperature sensor is to the temperature value of described Controlling System output molten metal, the switch of described hoisting appliance, rotating mechanism, tracheae, topples over system and all connects described Controlling System; When described hollow bar 10 declines entered molten metal, Controlling System was opened the switch of described tracheae, feeds refrigerant in hollow bar, and Controlling System starts rotating mechanism simultaneously, makes the hollow bar rotation, prevented that the Quench crystalline substance is at hollow bar surface stop crust; When the molten metal temperature reached preset value, described Controlling System was sent instruction to rotating mechanism and hoisting appliance, hollow bar stop the rotation automatically and on move to starting position, simultaneously Controlling System is sent the instruction of toppling over spare-crucible to toppling over system.
Further, described Controlling System comprises housing and is located at described housing interior temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor, PLC controller and switch; Described temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor and switch all are electrically connected with described PLC controller; The temperature that described temperature indicator displays temperature sensor sensing arrives; Described frequency transformer is regulated the rotating speed of described hollow bar 10; Described solenoid electric valve is respectively applied to control the motion of described hoisting appliance and described ejecting mechanism; Described switch comprises the switch of pulp preparation system, switch and the dumping switch of tracheae.
Further, describedly topple over system and comprise second cylinder 18, connecting rod 19 and bearing support 20, described bearing support 20 is fixed on second bracing frame 16, and described second bracing frame 16 is located on the base 17; Described second cylinder, 18 1 ends are installed on the described base 17, and the other end and described connecting rod 19 1 ends are hinged, and described connecting rod 19 the other ends are installed on the rotation axis of described bearing support 20 and by bearing it is supported; Thereby described spare-crucible 21 is arranged on the rotation axis of described bearing support 20 and by 18 effects of second cylinder drive described connecting rod 19 motions drive rotation axiss rotate described spare-crucible 21 is tilted pour liquid metal the pressure of pressure die-casting machine into indoor; The piston motion of described second cylinder 18 is by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
Further, described hollow bar 10 upper ends are provided with chuck 11, and the upper end of described chuck 11 is equipped with open tube 13, and the upper end of described open tube 13 is equipped with solid bearing 12, on the described solid bearing 12 supporting plate 7 is installed; The other end of described tracheae 15 passes described open tube 13 and is located at the outside of described open tube 13.
Further, described hoisting appliance comprises first cylinder 1 and guide pillar 2, described first cylinder 1 by screw attachment on described first bracing frame 3, the air inlet of described first cylinder 1 and exhaust are by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
Further, described rotating mechanism comprises motor 5, driving gear 8, follower gear 9 and solid bearing 12, described motor 5 is fixed on the motor frame 6, described motor frame 6 is fixedly mounted on the supporting plate 7, described motor frame 6 is connected with the piston of described first cylinder 1, promotes described first cylinder 1 by described piston and moves up and down; The two ends of described supporting plate 7 are connected with the lower end of described guide pillar 2 respectively, and described guide pillar 2 is connected with described first bracing frame 3 by orienting sleeve 4; The tip of the axis of described motor 5 is provided with described driving gear 8, and described driving gear 8 is meshing with each other with described follower gear 9, and described driving gear 8 rotates under described motor 5 effects, makes described hollow bar 10 rotations thereby drive described follower gear 9 rotations.
Further, described temperature sensor 14 is one nickel chromium triangle-nisiloy type thermopair.
Further, described second bracing frame 16 below described connecting rod 19 is provided with the position-limited rack 22 of the described link work of restriction.
The concrete steps that the utility model prepares the method for semi-solid metal slurry are:
(1) determine the temperature of Metal Melting: during melting with the superheating temperature control of liquid metal in 50～70 ℃ of scopes, the liquid towards metal carries out refining then, leave standstill after the refining, skim and survey air content, with the control of liquid metal superheating temperature in 10～30 ℃ of scopes;
(2) quantitatively get soup: the soup ladle preheating, determine to get the soup amount according to the weight summation of foundry goods, slag trap, gating system and material cake, the soup of getting is poured in the good spare-crucible of prior preheating; The preheating temperature of described spare-crucible is 350～450 ℃;
(3) preparation semi solid slurry: after spare-crucible has been contained given soup stock, start the pulp preparation system switching hollow bar is dropped in the spare-crucible, this moment, hollow bar began rotation, simultaneously refrigerant was fed the hollow bar Quench; When the temperature of liquid metal in the spare-crucible drops to the temperature of setting, from liquid metal, withdraw from hollow bar; Pulp preparation finishes;
(4) topple over and injection: start dumping switch, spare-crucible is directly poured semi solid slurry into prior preheating good pressure chamber under the effect of ejecting mechanism, then directly injection.
During pulp preparation described in the utility model system operation, open the switch of pulp preparation system, when the descent of piston of first cylinder promotes in the aluminium liquid that hollow bar enters spare-crucible, motor will drive hollow bar by the gear combination transmission and rotate, and the while tracheae will feed pressurized air.Set(ting)value with temperature indicator is set to the temperature required value of slurry in advance, when aluminium liquid becomes semi solid slurry and reach the value of design temperature, send instruction and be transferred to solenoid electric valve by the PLC controller, first cylinder piston begins to rise at this moment, motor stops operating simultaneously, close the serum producing system switch at last, at this moment, pulping process is finished.
Described in the utility modelly topple over system when operation, the piston of second cylinder promotes spare-crucible by connecting rod and rotates.The PLC controller is passed to solenoid electric valve with instruction simultaneously, solenoid electric valve is controlled the piston motion of second cylinder, when pulp preparation finishes, open dumping switch, semi solid slurry in the spare-crucible will topple over, after having fallen in slurry, close dumping switch, spare-crucible is got back to level attitude again.
The content that this specification sheets embodiment states only is enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as only limiting to the specific form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (8)
1. the efficient Quench of low overheat prepares the device of semi-solid metal slurry, comprise the soup machine of quantitatively getting that cooperates with spare-crucible, be provided with the temperature sensor of the temperature of measuring molten metal in the spare-crucible, it is characterized in that: also comprise the pulp preparation system, topple over system and Controlling System, described Controlling System is controlled described pulp preparation system and is describedly toppled over system;
Described pulp preparation system comprises first bracing frame and is located at hoisting appliance, rotating mechanism and Quench system on described first bracing frame; Described Quench system comprises the hollow bar of being with blind hole, feeds the tracheae for delivery of refrigerant in the hollow bar; Described hollow bar connects described rotating mechanism and hoisting appliance;
Describedly topple over system and connect described spare-crucible, to topple over the molten metal in the described spare-crucible;
Described temperature sensor is to the temperature value of described Controlling System output molten metal, the switch of described hoisting appliance, rotating mechanism, tracheae, topples over system and all connects described Controlling System; When described hollow bar decline entered molten metal, Controlling System was opened the switch of described tracheae, feeds refrigerant in hollow bar, and Controlling System starts rotating mechanism simultaneously, made the hollow bar rotation, prevented that the Quench crystalline substance is at hollow bar surface stop crust; When the molten metal temperature reached preset value, described Controlling System was sent instruction to rotating mechanism and hoisting appliance, hollow bar stop the rotation automatically and on move to starting position, simultaneously Controlling System is sent the instruction of toppling over spare-crucible to toppling over system.
2. device as claimed in claim 1 is characterized in that: described Controlling System comprises housing and is located at temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor, PLC controller and switch in the described housing; Described temperature indicator, AC transformer, frequency transformer, solenoid electric valve, contactor and switch all are electrically connected with described PLC controller; The temperature that described temperature indicator displays temperature sensor sensing arrives; Described frequency transformer is regulated the rotating speed of described hollow bar; Described solenoid electric valve is respectively applied to control the motion of described hoisting appliance and described ejecting mechanism; Described switch comprises the switch of pulp preparation system, switch and the dumping switch of tracheae.
3. device as claimed in claim 2 is characterized in that: describedly topple over system and comprise second cylinder, connecting rod and bearing support, described bearing support is fixed on second bracing frame, and described second bracing frame is located on the base; Described second cylinder, one end is installed on the described base, and the other end and described connecting rod one end are hinged, and the described connecting rod the other end is installed on the rotation axis of described bearing support and by bearing it is supported; Thereby described spare-crucible is arranged on the rotation axis of described bearing support and by second cylinder action drive described link work drive rotation axis rotate described spare-crucible is tilted pour liquid metal the pressure of pressure die-casting machine into indoor; The piston motion of described second cylinder is by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
4. device as claimed in claim 3 is characterized in that: described hollow bar upper end is provided with chuck, and the upper end of described chuck is equipped with open tube, and the upper end of described open tube is equipped with solid bearing, on the described solid bearing supporting plate is installed; The other end of described tracheae passes described open tube and is located at the outside of described open tube.
5. device as claimed in claim 4, it is characterized in that: described hoisting appliance comprises first cylinder and guide pillar, described first cylinder by screw attachment on described first bracing frame, the air inlet of described first cylinder and exhaust are by the control of the solenoid electric valve in the described housing, and described solenoid electric valve intake and exhaust are controlled by described PLC controller.
6. device as claimed in claim 5, it is characterized in that: described rotating mechanism comprises motor, driving gear, follower gear and solid bearing, described motor is fixed on the motor frame, described motor frame is fixedly mounted on the supporting plate, described motor frame is connected with the piston of described first cylinder, promotes described first cylinder by described piston and moves up and down; The two ends of described supporting plate are connected with the lower end of described guide pillar respectively, and described guide pillar is connected with described first bracing frame by orienting sleeve; The tip of the axis of described motor is provided with described driving gear, and described driving gear and described follower gear are meshing with each other, and described driving gear rotates under described motor effect, makes described hollow bar rotation thereby drive described follower gear rotation.
7. device as claimed in claim 6, it is characterized in that: described temperature sensor is one nickel chromium triangle-nisiloy type thermopair.
8. device as claimed in claim 7 is characterized in that: described second bracing frame below described connecting rod is provided with the position-limited rack of the described link work of restriction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089862 CN203128638U (en) | 2013-02-27 | 2013-02-27 | Device for preparing semisolid metal slurry through efficient chilling with low degree of superheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089862 CN203128638U (en) | 2013-02-27 | 2013-02-27 | Device for preparing semisolid metal slurry through efficient chilling with low degree of superheat |
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| Publication Number | Publication Date |
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| CN203128638U true CN203128638U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089862 Withdrawn - After Issue CN203128638U (en) | 2013-02-27 | 2013-02-27 | Device for preparing semisolid metal slurry through efficient chilling with low degree of superheat |
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| CN (1) | CN203128638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173638A (en) * | 2013-02-27 | 2013-06-26 | 慈溪市汇丽机电有限公司 | Method and device for preparing semi-solid metal slurry through efficient chilling at low degree of superheat |
| WO2016115954A1 (en) * | 2015-01-21 | 2016-07-28 | 中兴通讯股份有限公司 | Device and method for preparing semi-solid metal slurry |
-
2013
- 2013-02-27 CN CN 201320089862 patent/CN203128638U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173638A (en) * | 2013-02-27 | 2013-06-26 | 慈溪市汇丽机电有限公司 | Method and device for preparing semi-solid metal slurry through efficient chilling at low degree of superheat |
| CN103173638B (en) * | 2013-02-27 | 2015-01-07 | 慈溪市汇丽机电有限公司 | Method and device for preparing semi-solid metal slurry through efficient chilling at low degree of superheat |
| WO2016115954A1 (en) * | 2015-01-21 | 2016-07-28 | 中兴通讯股份有限公司 | Device and method for preparing semi-solid metal slurry |
| CN105855498A (en) * | 2015-01-21 | 2016-08-17 | 中兴通讯股份有限公司 | Semisolid metal slurry preparation device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150107 |
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| RGAV | Abandon patent right to avoid regrant |