CN211965856U - Semi-solid alloy die-casting forming equipment - Google Patents
Semi-solid alloy die-casting forming equipment Download PDFInfo
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- CN211965856U CN211965856U CN202020474410.0U CN202020474410U CN211965856U CN 211965856 U CN211965856 U CN 211965856U CN 202020474410 U CN202020474410 U CN 202020474410U CN 211965856 U CN211965856 U CN 211965856U
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Abstract
The utility model discloses a semi-solid alloy die-casting former includes at least one heating heat preservation stove, the tundish, melt crystalline grain controlling means and die-casting forming device, melt crystalline grain controlling means is including slope adjustable crystalline grain balling plate, vibrating motor, the vibration board, supersonic generator and bearing, the vibration board is installed on the bearing, crystalline grain balling plate is installed on the vibration board with floating, a plurality of supersonic generator install in the bottom of crystalline grain balling plate, the upper surface of crystalline grain balling plate has a cambered surface that upwards arches at least, the top of crystalline grain balling plate is equipped with a plurality of baffles that make semi-solid alloy slurry vertically wriggle and flow, the top of crystalline grain balling plate is located to the tundish, die-casting shaping device locates the below of crystalline grain balling plate. The utility model discloses a semi-solid alloy die-casting former can improve the crystalline grain balling rate of semi-solid alloy thick liquids and make the work piece crystal structure after the shaping more tiny even.
Description
Technical Field
The utility model relates to a half solid-state alloy shaping field especially relates to a half solid-state alloy die-casting former.
Background
The conventional aluminum magnesium alloy is widely used in the industrial field, and with the technical progress, the application range of the conventional aluminum magnesium alloy is continuously expanded, and the requirements on the size of the product and the performance of the product are continuously upgraded. However, the conventional aluminum magnesium alloy is die-cast under high speed and high pressure in an environment higher than the solid-liquid phase line of the alloy, and in the die-casting process, the defects of air holes and shrinkage cavities in a casting are generated due to volume changes in the processes of air entrainment in the filling process and forming cooling. In addition, in the process of molding and crystallization, the size and uniformity of crystal grains cannot be controlled, and the mechanical property and air tightness of the product are poor.
Therefore, there is a need for a semi-solid alloy die-casting apparatus that can improve the grain nodularity of the semi-solid alloy slurry and make the crystal structure of the formed workpiece finer and more uniform to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve the crystalline grain nodularity of half solid-state alloy thick liquids and make the more tiny even half solid-state alloy die-casting former of work piece crystal structure after the shaping.
In order to achieve the purpose, the semi-solid alloy die-casting forming device of the utility model comprises at least one heating holding furnace, a tundish, a melt crystal grain control device and a die-casting forming device, the molten liquid crystal grain control device comprises an inclination-adjustable crystal grain spheroidizing plate, a vibration motor, a vibration plate, an ultrasonic generator and a supporting seat, the vibration plate is arranged on the supporting seat, the grain spheroidizing plate is arranged on the vibration plate in a floating way, the ultrasonic generators are arranged at the bottom of the grain spheroidizing plate, the upper surface of the grain spheroidizing plate is at least provided with an upwards arched cambered surface, the top of the grain spheroidizing plate is provided with a plurality of guide bodies which enable semi-solid alloy slurry to flow longitudinally in a winding way, the tundish is arranged above the liquid inlet end of the grain spheroidizing plate, and the die-casting forming device is arranged below the liquid outlet end of the grain spheroidizing plate.
Preferably, the upper surface of the grain spheroidizing plate is a wavy curved surface or an arc-shaped surface.
Preferably, the flow guiding body is a multi-section bent sheet-shaped member, the flow guiding body is mounted on the grain spheroidizing plate and extends along the grain spheroidizing plate from top to bottom, and a flow guiding groove is formed between the two flow guiding bodies.
Preferably, the flow guiding body is a convex structure, a plurality of rows of flow guiding bodies are arranged on the upper surface of the grain spheroidizing plate, two flow guiding bodies in each row are arranged at intervals, and each flow guiding body in two adjacent rows is arranged in a staggered manner.
Preferably, a temperature control channel is disposed in the grain spheroidizing plate.
Preferably, a vibration isolator is cushioned between the vibration plate and the supporting seat.
Preferably, the semi-solid alloy die-casting molding equipment of the utility model further comprises a mechanical stirrer matched with the tundish for use.
Preferably, a temperature measuring and controlling device is arranged in the heating and heat preserving furnace.
Preferably, the die-casting forming device comprises an injection assembly, a mold locking assembly and a semi-solid forming mold arranged between the injection assembly and the mold locking assembly, wherein the semi-solid forming mold is positioned below the liquid outlet end of the grain spheroidizing plate.
Compared with the prior art, the utility model discloses a semi-solid alloy die-casting former includes at least one heating heat preservation stove, the tundish, melt crystalline grain controlling means and die-casting forming device, melt crystalline grain controlling means includes slope adjustable crystalline grain balling plate, vibrating motor, the vibration board, supersonic generator and bearing, the vibration board is installed on the bearing, crystalline grain balling plate is installed on the vibration board floatingly, a plurality of supersonic generator install in the bottom of crystalline grain balling plate, the upper surface of crystalline grain balling plate has an upwards cambered surface of hunch-up at least, the top of crystalline grain balling plate is equipped with a plurality of baffle that make semi-solid alloy thick liquids vertically wriggle the flow, the tundish is located the inlet end top of crystalline grain balling plate, die-casting forming device locates the below of the liquid outlet end of crystalline grain balling plate, in production, vibrating motor drives the vibration board, will vibrate the transmission for crystalline, meanwhile, the high-frequency low-amplitude vibration is transmitted to the semi-solid alloy slurry by the ultrasonic generator, the semi-solid alloy slurry flows on the grain spheroidizing plate from top to bottom under the action of gravity, and under the action of gravity, diversion of a guide body, double vibration and the like, crystalline grains or crystal branches in the semi-solid alloy slurry are influenced by shearing force and rolling to form fine spherical grains, so that the semi-solid alloy slurry subjected to grain refining is obtained, and the physical and chemical properties of the product are more excellent after die-casting molding.
Drawings
Fig. 1 is a schematic plan structure diagram of the semi-solid alloy die-casting forming device of the utility model.
Fig. 2 is a schematic plane structure diagram of a molten crystal grain control device in the semi-solid alloy die-casting molding device of fig. 1 after cutting a crystal grain spheroidizing plate.
FIG. 3 is a front view of a crystal grain spheroidizing plate of the molten crystal grain control device shown in FIG. 2.
FIG. 4 is a front view of another embodiment of a grain-spheroidizing plate of the molten grain control device of FIG. 2.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
As shown in fig. 1 and fig. 2, the semi-solid alloy die-casting apparatus 100 of the present invention comprises at least one heating and holding furnace 10, a tundish 20, a molten crystal grain control device 30 and a die-casting apparatus 40, wherein the molten crystal grain control device 30 comprises an obliquely adjustable crystal grain spheroidizing plate 31, a vibration motor 32, a vibration plate 33, an ultrasonic generator 34 and a supporting seat 35, the vibration plate 33 is installed on the supporting seat 35, the crystal grain spheroidizing plate 31 is installed on the vibration plate 33 in a floating manner, a plurality of ultrasonic generators 34 are installed at the bottom of the crystal grain spheroidizing plate 31, the upper surface of the crystal grain spheroidizing plate 31 at least has an upwardly arched surface, the top of the crystal grain spheroidizing plate 31 is provided with a plurality of flow guiding bodies 36 for making the semi-solid alloy slurry flow vertically and meanderingly, the tundish 20 is located above the liquid inlet of the crystal grain spheroidizing plate 31, the die-, during production, the vibration motor 32 drives the vibration plate 33 to vibrate, large amplitude vibration is transmitted to the grain spheroidizing plate 31 through conduction, meanwhile, the ultrasonic generator 34 transmits high-frequency low-amplitude vibration to the semi-solid alloy slurry, the semi-solid alloy slurry flows on the grain spheroidizing plate 31 from top to bottom under the action of gravity, and under the action of gravity, diversion of the flow guide body 36, double vibration and the like, crystalline grains or crystal branches in the semi-solid alloy slurry are influenced by shearing force and rolling to form fine spherical grains, so that the semi-solid alloy slurry subjected to grain refining is obtained, and the physical and chemical properties of the product are more excellent after die-casting molding. Preferably, the grain-spheroidizing plate 31 is mounted on the vibrating plate 33 by a floating mechanism 37, for example, but not limited thereto, the floating mechanism 37 is a spring. For example, in the embodiment of the present invention, only 1 heating and holding furnace 10 is provided, and during processing, the temperature in the heating and holding furnace 10 is first precisely controlled, and then the semi-solid alloy slurry rich in crystal grains is formed after the heating and holding furnace 10 is transferred to the tundish 20 under the assistance of the mechanical stirrer 50 mentioned below. Of course, according to actual requirements, the heating and holding furnace 10 may also be provided with 2 heating and holding furnaces 10, wherein the 2 heating and holding furnaces 10 are respectively filled with high-temperature low-melting metals and low-temperature high-melting metals, and when the two types of metals are simultaneously poured into the tundish 20 in proportion and mixed, a semisolid alloy slurry rich in crystal grains is formed, so that the method is not limited to this. For example, the angle between the grain-spheroidizing plate 31 and the vibrating plate 33 is adjusted by an air cylinder or an oil cylinder, the inclination angle of the grain-spheroidizing plate 31 with respect to the horizontal direction is preferably 45 °, and the grain-spheroidizing plate 31 is made of a high-temperature resistant and high-thermal conductivity material, for example, beryllium copper material is used for the grain-spheroidizing plate 31. Preferably, a temperature control channel (not shown) is disposed in the grain-spheroidizing plate 31, so as to facilitate the injection of a high-temperature fluid into the temperature control channel to control the surface temperature of the grain-spheroidizing plate 31. More specifically, the following:
as shown in fig. 1 to 4, the upper surface of the grain-spheroidizing plate 31 has a wave-shaped curved surface so that the semi-solid alloy slurry flowing over the grain-spheroidizing plate 31 is sufficiently tumbled. Of course, the upper surface of the grain-spheroidizing plate 31 may be a single arc surface as needed, and is not limited thereto. Specifically, in the present embodiment, as shown in fig. 3, the flow guiding body 36 is a multi-segment bent sheet-shaped member, the flow guiding body 36 is installed on the grain spheroidizing plate 31 and extends along the grain spheroidizing plate 31 from top to bottom, and a flow guiding groove 38 is formed between the two flow guiding bodies 36, so that the semi-solid alloy slurry flowing on the grain spheroidizing plate 31 realizes rolling flow in the transverse direction and the longitudinal direction, which is beneficial to grain refinement of the semi-solid alloy slurry. Of course, according to actual needs, in other embodiments, as shown in fig. 4, the flow guiding body 36 is a convex structure, the upper surface of the grain spheroidizing plate 31 is provided with a plurality of rows of flow guiding bodies 36, two flow guiding bodies 36 in each row are arranged at intervals, and each flow guiding body 36 in two adjacent rows is arranged in a staggered manner, so that the arrangement forcefully scatters the semi-solid alloy slurry flowing on the grain spheroidizing plate 31, and is beneficial to grain spheroidization and refinement of the semi-solid alloy slurry. In order to reduce the vibration influence on the support 35 when the vibration plate 33 operates, the vibration damping isolator 39 is disposed between the vibration plate 33 and the support 35, for example, the vibration damping isolator 39 may be a flexible member made of a soft material, an air bag, or the like, but is not limited thereto. For convenient formation of semi-solid alloy slurry, the semi-solid alloy die-casting molding equipment 100 of the present invention further comprises a mechanical stirrer 50 cooperating with the tundish 20, and a temperature measurement and control device 60 is assembled in the heating and holding furnace 10. For example, the die-casting device 40 includes an injection assembly 41, a clamping mechanism 42, and a semi-solid forming die 43 installed between the injection assembly 41 and the clamping mechanism 42, wherein the semi-solid forming die 43 is located below the liquid outlet end of the grain spheroidizing plate 31 to facilitate die-casting the semi-solid alloy slurry. It should be noted that the structure of the die-casting device 40 is well known to those skilled in the art, and therefore, will not be described herein. The injection speed of the die-casting forming device 40 is divided into slow speed (the injection speed is between 0.1m/s and 0.5 m/s), fast speed (the injection speed is between 0.5m/s and 8 m/s), casting pressure is between 80MPa and 220MPa, and the die-casting forming device 40 is used for die-casting the semi-solid alloy slurry in a low-speed and high-pressure environment, so that the defects of air holes, shrinkage cavities and the like of products can be effectively and greatly reduced. Preferably, the robot is used to transport the melt among the heating and surrounding furnace 10, the tundish 20 and the melt grain control device 30, but not limited thereto.
The operation principle of the semi-solid alloy die-casting forming device 100 of the present invention is described with reference to the accompanying drawings 1 to 4: and (3) putting the specific alloy ingot into a heating holding furnace 10, heating the ingot to be above a liquidus line to melt the ingot, and monitoring the temperature of the melted ingot by using a temperature measurement and control device 60. Controlling the temperature in the heating and heat-preserving furnace 10 to be within the range of 1-200 ℃ of a liquidus, and then transferring the liquid raw materials in the heating and heat-preserving furnace 10 into a tundish 20 to prepare the semi-solid alloy slurry. The semi-solid alloy slurry is poured on the grain spheroidizing plate 31, the vibration motor 32 drives the vibration plate 33 to vibrate so as to drive the grain spheroidizing plate 31 to vibrate greatly, the ultrasonic generator 34 transmits high frequency and low amplitude to the semi-solid alloy slurry, the semi-solid alloy slurry flows on the grain spheroidizing plate 31 in a winding manner under the influence of the wavy line curved surface on the grain spheroidizing plate 31 and the flow guide body 36, and the semi-solid alloy slurry refines and spheroidizes grains or crystal branches formed in the semi-solid alloy slurry under the influence of multiple factors such as gravity, double vibration, flow guide and the like. The semi-solid alloy slurry flowing out from the liquid outlet end of the grain spheroidizing plate 31 falls into an injection cup (not shown) of the die-casting forming device 40, under the action of certain speed and pressure, the injection assembly 41 injects the semi-solid alloy slurry refined and spheroidized in the injection cup into a semi-solid forming die 43, and the semi-solid formed product with refined grains is obtained by opening the die and taking the product after cooling forming, and the working principle is as described above.
Compared with the prior art, the utility model discloses a semi-solid alloy die-casting molding equipment 100 includes at least one heating holding furnace 10, the tundish 20, melt grain controlling means 30 and die-casting molding device 40, melt grain controlling means 30 includes slope adjustable crystal grain balling plate 31, vibrating motor 32, vibration plate 33, supersonic generator 34 and bearing 35, vibration plate 33 is installed on bearing 35, crystal grain balling plate 31 is installed on vibration plate 33 floatingly, a plurality of supersonic generator 34 are installed in the bottom of crystal grain balling plate 31, the upper surface of crystal grain balling plate 31 has an upwards arched cambered surface at least, the top of crystal grain balling plate 31 is equipped with a plurality of baffle 36 that make semi-solid alloy slurry vertically wriggle the flow, the tundish 20 is located the inlet end top of crystal grain balling plate 31, die-casting molding device 40 is located the play liquid end's of crystal grain balling plate 31 below, during production, the vibration motor 32 drives the vibration plate 33 to vibrate, large amplitude vibration is transmitted to the grain spheroidizing plate 31 through conduction, meanwhile, the ultrasonic generator 34 transmits high-frequency low-amplitude vibration to the semi-solid alloy slurry, the semi-solid alloy slurry flows on the grain spheroidizing plate 31 from top to bottom under the action of gravity, and under the action of gravity, diversion of the flow guide body 36, double vibration and the like, crystalline grains or crystal branches in the semi-solid alloy slurry are influenced by shearing force and rolling to form fine spherical grains, so that the semi-solid alloy slurry subjected to grain refining is obtained, and the physical and chemical properties of the product are more excellent after die-casting molding.
The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.
Claims (9)
1. A semi-solid alloy die-casting forming device comprises at least one heating and heat-preserving furnace, a tundish, a molten crystal grain control device and a die-casting forming device, it is characterized in that the molten liquid crystal grain control device comprises an inclination-adjustable crystal grain spheroidizing plate, a vibration motor, a vibration plate, an ultrasonic generator and a supporting seat, the vibration plate is arranged on the supporting seat, the grain spheroidizing plate is arranged on the vibration plate in a floating way, the ultrasonic generators are arranged at the bottom of the grain spheroidizing plate, the upper surface of the grain spheroidizing plate is at least provided with an upwards arched cambered surface, the top of the grain spheroidizing plate is provided with a plurality of guide bodies which enable semi-solid alloy slurry to flow longitudinally in a winding way, the tundish is arranged above the liquid inlet end of the grain spheroidizing plate, and the die-casting forming device is arranged below the liquid outlet end of the grain spheroidizing plate.
2. The semi-solid alloy die-casting molding apparatus according to claim 1, wherein the upper surface of the grain-spheroidizing plate is a wavy curved surface or an arc-shaped surface.
3. The semi-solid alloy die-casting molding apparatus according to claim 1, wherein the flow guiding body is a multi-segment bent sheet-shaped member, the flow guiding body is mounted on the grain spheroidizing plate and extends along the grain spheroidizing plate from top to bottom, and a flow guiding groove is formed between the two flow guiding bodies.
4. The semi-solid alloy die-casting molding apparatus according to claim 1, wherein the flow guiding body is a convex structure, the upper surface of the grain spheroidizing plate is provided with a plurality of rows of the flow guiding bodies, two flow guiding bodies in each row are arranged at intervals, and each flow guiding body in two adjacent rows is arranged in a staggered manner.
5. The semi-solid alloy die-casting molding apparatus according to claim 1, wherein a temperature controlled passage is provided in the grain spheroidizing plate.
6. The semi-solid alloy die casting apparatus according to claim 1, wherein a vibration isolator is cushioned between the vibration plate and the supporting base.
7. A semi-solid alloy die casting apparatus as recited in claim 1 further comprising a mechanical agitator for cooperating with said tundish.
8. The semi-solid alloy die-casting molding device according to claim 1, wherein a temperature measuring and controlling device is arranged in the heating and holding furnace.
9. The semi-solid alloy die-casting molding apparatus as claimed in claim 1, wherein said die-casting molding device comprises an injection assembly, a mold locking assembly and a semi-solid molding die mounted between said injection assembly and said mold locking assembly, said semi-solid molding die being located below said liquid outlet end of said grain spheroidizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474410.0U CN211965856U (en) | 2020-04-02 | 2020-04-02 | Semi-solid alloy die-casting forming equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474410.0U CN211965856U (en) | 2020-04-02 | 2020-04-02 | Semi-solid alloy die-casting forming equipment |
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| CN211965856U true CN211965856U (en) | 2020-11-20 |
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| CN202020474410.0U Active CN211965856U (en) | 2020-04-02 | 2020-04-02 | Semi-solid alloy die-casting forming equipment |
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