CN217120074U - A agitated vessel for preparing aluminium matrix composite strengthens - Google Patents
A agitated vessel for preparing aluminium matrix composite strengthens Download PDFInfo
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- CN217120074U CN217120074U CN202122740224.4U CN202122740224U CN217120074U CN 217120074 U CN217120074 U CN 217120074U CN 202122740224 U CN202122740224 U CN 202122740224U CN 217120074 U CN217120074 U CN 217120074U
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- crucible
- stirring
- composite material
- reinforced aluminum
- based composite
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000011159 matrix material Substances 0.000 title claims abstract description 23
- 239000004411 aluminium Substances 0.000 title abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 83
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009715 pressure infiltration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The utility model provides an agitated vessel for preparing aluminium matrix composite of reinforcing relates to the combined material field, agitated vessel includes the crucible, adds the material device, agitating unit, heating device, ultrasonic device. The utility model discloses an useful part lies in: a agitated vessel for preparing aluminium matrix composite of reinforcing that this scheme designed adopts two stirring rods can effectively promote stirring quality and increase production efficiency, adopts the supplementary stirring of supersound can make reinforcing granule at aluminium matrix evenly distributed.
Description
Technical Field
The utility model relates to a combined material field specifically indicates an agitated vessel for preparing aluminium matrix composite of reinforcing.
Background
The aluminium-base composite material is a material which has strong vitality and emerges according to the requirements of modern scientific development, and is compounded by two or more materials with different properties through various technological means. According to the difference of the reinforcement, the aluminum matrix composite can be divided into fiber reinforced aluminum matrix composite and particle reinforced aluminum matrix composite. The fiber reinforced aluminum matrix composite has a series of excellent performances such as high specific strength and specific modulus, good dimensional stability and the like, but is expensive, and is mainly used in the aerospace field as a structural material of space shuttles, artificial satellites, space stations and the like. The particle reinforced aluminum-based composite material can be used for manufacturing structural materials for satellites and aerospace, airplane parts, metal mirror optical systems and automobile parts; in addition, the method can be used for manufacturing microwave circuit plug-ins, precision parts of inertial navigation systems, turbo-chargers, electronic packaging devices and the like.
The preparation method of the particle reinforced aluminum-based composite material mainly comprises a powder metallurgy method, a pressure infiltration method, a spray deposition method and a stirring casting method. Compared with other methods, the mechanical stirring casting method has the advantages of simple equipment and process, convenient operation, low cost and the like, and is the most effective method for large-scale production.
The prior art discloses the application numbers as follows: 201821684578.3, the aluminum liquid and the reinforced powder particles form a multi-form mixed mode of embedded type, stirring and shearing type and turbulent flow staggered type, which achieves better mixing effect. However, this prior art still has room for improvement in terms of technical problems that it is difficult to uniformly distribute reinforcing particles in an aluminum matrix and improvement in production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a agitated vessel for preparing aluminium matrix composite of reinforcing to the problem that the reinforcing granule distributes inequality and production efficiency is lower at the aluminum matrix is solved to the not enough of prior art existence.
The utility model discloses a realize through following technical scheme:
a stirring device for preparing reinforced aluminum matrix composite comprises a crucible, a feeding device, a stirring device, a heating device and an ultrasonic device. Wherein,
the upper part of the crucible is provided with a cover plate, the side part of the crucible is provided with a vacuum-pumping valve and a slag discharge port which are connected with a vacuum-pumping device, and the bottom of the crucible is provided with a discharge port;
the feeding device comprises a first feeding hopper and a second feeding hopper, the bottom ends of the first feeding hopper and the second feeding hopper are communicated with the interior of the crucible, the first feeding hopper is a hopper for throwing reinforcing particles, and the second feeding hopper is a hopper for throwing matrix particles;
the stirring device comprises a driving motor and double stirring rods, and the driving motor is connected with the double stirring rods inserted into the crucible through a transmission gear;
the heating device comprises a heater, and the heater is arranged outside the side wall of the crucible;
the ultrasonic device comprises an ultrasonic instrument and an ultrasonic probe, wherein the ultrasonic instrument is arranged above the crucible, and the ultrasonic probe penetrates through the cover plate and extends into the crucible.
Preferably, the discharge port is arranged at the center of the bottom of the crucible and is connected with a baffle plate for blocking the discharge port, and the baffle plate can horizontally reciprocate under the driving of the hydraulic driving device.
Preferably, a flow guide layer is arranged inside the crucible and is arranged outside two sides of the double stirring rods.
Preferably, the side part of the diversion layer is provided with diversion holes.
Preferably, the first detachable sealing cover is arranged at the upper part of the first charging hopper, the first air inlet is arranged at the lateral part of the first charging hopper, the first electromagnetic pulse valve is arranged at the lower part of the first charging hopper, and the spiral nozzle is arranged at the bottom end of the first charging hopper.
Preferably, the first electromagnetic pulse valve is communicated with the spiral nozzle, and the spiral nozzle penetrates through the cover plate and extends into the crucible.
Preferably, a second detachable sealing cover is arranged at the upper part of the second charging hopper, a second air inlet is arranged at the side part of the second charging hopper, a second electromagnetic pulse valve is arranged at the lower part of the second charging hopper, and the bottom end of the second charging hopper penetrates through the cover plate and extends into the crucible.
Preferably, 4 layers of stirring blade sets are arranged on the outer sides of the double stirring rods; stirring vane group includes 3 stirring vane, and the contained angle between the stirring vane is 120 degrees, and stirring vane is 30 degrees with the contained angle of horizontal direction.
Preferably, the double stirring rods rotate in the same direction or in different directions, and when the number of the transmission gears connected between the double stirring rods and the driving motor is the same or is odd number or even number, the double stirring rods can rotate in the same direction; when the number difference of the transmission gears 1 or one side is odd number and the other side is even number, the double stirring rods can rotate in different directions.
Preferably, an insulating layer is arranged outside the heater.
The utility model discloses an useful part lies in: a agitated vessel for preparing aluminium matrix composite of reinforcing that this scheme designed adopts two stirring rods can effectively promote stirring quality and increase production efficiency, adopts the supplementary stirring of supersound can make reinforcing granule at aluminium matrix evenly distributed.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic main sectional structure view according to an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of a stirring rod according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the arrangement mode of the transmission gear according to the novel embodiment.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the specific embodiments below.
The utility model provides an agitated vessel for preparing aluminium matrix composite of reinforcing, as shown in fig. 1 and fig. 2, agitated vessel includes crucible 501, adds the material device, agitating unit, heating device, ultrasonic device. A cover plate 509 is arranged at the upper part of the crucible 501, a vacuumizing valve 508 and a slag discharging port 502 which are connected with vacuumizing equipment are arranged at the side part of the crucible 501, and a discharging port 507 is arranged at the bottom part; the feeding device comprises a first feeding hopper 203 and a second feeding hopper 303, the bottom ends of the first feeding hopper 203 and the second feeding hopper 303 are communicated with the interior of the crucible 501, the first feeding hopper 203 is a hopper for feeding reinforcing particles, and the second feeding hopper 303 is a hopper for feeding matrix particles; the stirring device comprises a driving motor 101 and double stirring rods 102, wherein the driving motor 101 is connected with the double stirring rods 102 inserted into the crucible 501 through transmission gears 100; the heating device comprises a heater 503, and the heater 503 is arranged outside the side wall of the crucible 501; the ultrasonic device comprises an ultrasonic instrument 401 and an ultrasonic probe 402, wherein the ultrasonic instrument 401 is arranged above the crucible 501, and the ultrasonic probe 402 penetrates through a cover plate 509 and extends into the crucible 501. The discharge port 507 is arranged at the center of the bottom of the crucible 501, and is connected with a baffle 506 for blocking the discharge port 507, and the baffle 506 can horizontally reciprocate under the driving of a hydraulic driving device 505. The flow guiding layer 601 is arranged inside the crucible 501, and the flow guiding layer 601 is arranged outside two sides of the double stirring rod 102. The side of the flow guiding layer 601 is provided with a flow guiding hole 602. The upper part of the first feeding hopper 203 is provided with a first detachable sealing cover 201, the lateral part is provided with a first air inlet 202, the lower part is provided with a first electromagnetic pulse valve 204, and the bottom end is provided with a spiral nozzle 205. The first electromagnetic pulse valve 204 is in communication with the spiral nozzle 205, and the spiral nozzle 205 extends through a cover plate 509 into the crucible 501. The upper part of the second feeding hopper 303 is provided with a second detachable sealing cover 301, the side part is provided with a second air inlet 302, the lower part is provided with a second electromagnetic pulse valve 304, and the bottom end penetrates through a cover plate 509 to extend into the crucible 501. The outer side of the double stirring rod 10 is provided with 4 layers of stirring blade groups; stirring vane group includes 3 stirring vane 103, and the contained angle between the stirring vane 103 is 120 degrees, and stirring vane 103 is 30 degrees with the contained angle of horizontal direction. As shown in (1) of fig. 3, a schematic diagram of a connection structure of a driving motor 101 and a dual stirring rod 102 through a transmission gear 100 is given, in this embodiment, the number of gears respectively connected to the driving motor 101 and the dual stirring rod 102 is different by 1, so that the dual stirring rod 102 rotates in opposite directions in this embodiment.
Besides, as shown in (2) of fig. 3, a schematic diagram of a connection structure of the driving motor 101 and the dual stirring rods 102 through the transmission gears is shown, and the number of the gears respectively connected to the driving motor 101 and the dual stirring rods 102 is the same, and at this time, the dual stirring rods 102 rotate in the same direction.
An insulating layer 504 is arranged outside the heater 503.
In a specific embodiment, the base aluminum particles are first put into the second feeding hopper 303, and then fed into the crucible 501 to be heated and melted by the control of the second electromagnetic pulse valve 304, and the temperature is controlled depending on the melting temperature of the metal to be actually fed. The temperature rise is a slow process and is carried out in two stages. The first stage is heated from 0 ℃ to 500 ℃ gradually for heat preservation treatment, the second stage is heated from 300 ℃ to overheat temperature gradually, then the temperature is maintained stable, and the substrate aluminum particles are waited to be completely melted.
After the matrix aluminum particles are completely melted, the stirring device is started, the ultrasonic device is started, the vacuumizing device is started at the same time, the crucible 501 is vacuumized through the vacuumizing valve 508, the completely melted matrix aluminum liquid is continuously stirred again, and in the process, the overheating temperature is kept unchanged. And then adding the reinforced particles into a first feeding hopper 203, controlling the feeding of the reinforced particles to the bottom end of the first feeding hopper through a first electromagnetic pulse valve 204, and spraying the reinforced particles into the molten base aluminum liquid through a spiral nozzle 205, wherein in the process, the stirring device keeps running, the double stirring rods 102 continuously rotate, and the ultrasonic probe 402 extends into the crucible for ultrasonic treatment.
In the utility model, the ultrasonic probe can also be an ultrasonic generator, which can adopt an ultrasonic generator or an ultrasonic probe for resisting ultra-high temperature, the high temperature resistant ultrasonic probe or ultrasonic generator is the prior art, for example, in the patent document CN101418405B manufacturing method for high speed extrusion, it is mentioned that "the temperature of magnesium alloy melt is raised to 680-700 ℃, after stirring for 8-10 minutes, adding ultrasonic waves into the magnesium alloy melt for 20-25 minutes by an ultrasonic generator, the ultrasonic generator in the patent document has the same function as the ultrasonic probe of the present application, and regarding the type of the ultrasonic probe, specifically in "a novel graphene ultrasonic probe in patent document CN 205564818U", give the graphite alkene ultrasonic transducer that can work at 500 degrees centigrade high temperature, consequently the structure about this supersound generating device is in the utility model discloses do not too much give unnecessary details.
In order to increase the mixing and circulating flow effect of the aluminum liquid and the enhanced particles, the melt liquid is driven by the double stirring rods 102 to circularly flow along the flow guide layer 601 and pass through the flow guide holes 602, so that the effect of further enhancing uniform mixing is realized.
The double stirring rod 102 is positioned at the center of the crucible 501, and the outer side wall of the double stirring rod 102 is provided with a stirring blade 103; the driving motor 101 drives the double stirring rods 102 to rotate. One end of the double stirring rod 102 is connected to the driving motor 101, and the other end extends into the crucible 501 through the lid 509. Specifically, the double stirring rod is provided with 4 layers of stirring blade sets on the outer side wall along the length direction, each stirring blade set comprises 3 stirring blades 103, the included angle between each stirring blade 103 and each stirring blade 103 is 120 degrees, and the included angle between each stirring blade 103 and the horizontal direction is 30 degrees. Through the structure matched with the flow guide layer 601, circulation of aluminum liquid and reinforced particles is promoted, stirring and mixing effects are improved, large vortexes generated in high-speed rotation are avoided or reduced, the content of gas brought into molten liquid is reduced, and porosity is reduced. The outer side of the crucible 501 is provided with heaters 503, and the heaters 503 are uniformly distributed on the outer side of the crucible, so that the heating is more uniform. In order to realize the heat preservation effect, a heat preservation layer is arranged outside the heater. A slag discharge port 502 is arranged at the upper end of the side part of the crucible 501. The slag discharging opening 502 is opened to close the cover, then slag is discharged, and scum is discharged to the slag bucket in a gravity drainage mode. For convenience of operation, the slag discharge opening 502 is provided as a snap-in end face cover. The slag discharge port 502 is higher than the position of the diversion holes 602 on the diversion layer 601, which is beneficial to interception of scum in an annular space outside the diversion layer 601 and is also beneficial to discharge of slag liquid by the slag discharge port 502. The upper ends of the first feeding hopper 203 and the second feeding hopper 303 are both detachably provided with a first sealing cover 201 and a second sealing cover 301, and the upper end part of the side wall of the first feeding hopper 203 is provided with a first air inlet 202 and the upper end part of the side wall of the second feeding hopper 303 is provided with a second air inlet 302. Inert gas is introduced into the hopper through the first gas inlet 202 and the second gas inlet 302, and a slight positive pressure state is maintained. The inert gas serves firstly to discharge air from the first feeding hopper 203, the second feeding hopper 303, the inner part of the crucible 501 and the material, and secondly to form vacuum and negative pressure in the crucible 501 in combination with the vacuum pumping so as to reduce the probability of air holes in the material during mixing.
After the mixing treatment, the hydraulic driving device 505 is started to move the baffle 506 out of the discharge port 507, the prepared semi-solid slurry is discharged through the discharge port 507, the double stirring rods 102 continuously stir in the discharging process, and the slurry is fully and uniformly mixed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A stirring device for preparing a reinforced aluminum matrix composite is characterized by comprising a crucible, a feeding device, a stirring device, a heating device and an ultrasonic device; wherein,
the upper part of the crucible is provided with a cover plate, the side part of the crucible is provided with a vacuum-pumping valve and a slag discharge port which are connected with a vacuum-pumping device, and the bottom of the crucible is provided with a discharge port;
the feeding device comprises a first feeding hopper and a second feeding hopper, the bottom ends of the first feeding hopper and the second feeding hopper are communicated with the interior of the crucible, the first feeding hopper is a hopper for throwing reinforcing particles, and the second feeding hopper is a hopper for throwing matrix particles;
the stirring device comprises a driving motor and double stirring rods, and the driving motor is connected with the double stirring rods inserted into the crucible through a transmission gear;
the heating device comprises a heater, and the heater is arranged outside the side wall of the crucible;
the ultrasonic device comprises an ultrasonic instrument and an ultrasonic probe, wherein the ultrasonic instrument is arranged above the crucible, and the ultrasonic probe penetrates through the cover plate and extends into the crucible.
2. The stirring apparatus for preparing a reinforced aluminum-based composite material as claimed in claim 1, wherein said discharge port is provided at a central position of the bottom of said crucible, and is connected to a baffle for blocking the discharge port, the baffle being horizontally reciprocated by a hydraulic driving means.
3. The stirring apparatus for producing a reinforced aluminum-based composite material according to claim 1, wherein a flow guide layer is provided inside the crucible, and the flow guide layer is provided outside both sides of the double stirring rod.
4. The stirring apparatus for producing a reinforced aluminum-based composite material as claimed in claim 3, wherein a flow guide hole is provided in a side portion of the flow guide layer.
5. The stirring apparatus for preparing a reinforced aluminum-based composite material according to claim 1, wherein the first hopper is provided at an upper portion thereof with a first detachable sealing cover, at a side portion thereof with a first air inlet, at a lower portion thereof with a first electromagnetic pulse valve, and at a bottom end thereof with a spiral nozzle.
6. The stirring apparatus for producing a reinforced aluminum-based composite material according to claim 5, wherein the first electromagnetic pulse valve is in communication with the spiral nozzle, and the spiral nozzle extends into the interior of the crucible through the cover plate.
7. The stirring apparatus for preparing a reinforced aluminum-based composite material according to claim 1, wherein the second hopper is provided at an upper portion thereof with a second detachable sealing cover, at a side portion thereof with a second gas inlet, at a lower portion thereof with a second electromagnetic pulse valve, and at a bottom end thereof extending into the crucible through the cover plate.
8. The stirring apparatus for producing a reinforced aluminum-based composite material as claimed in claim 1, wherein the outer side of the double stirring rod is provided with 4 layers of stirring blade sets; stirring vane group includes 3 stirring vane, and the contained angle between the stirring vane is 120 degrees, and stirring vane is 30 degrees with the contained angle of horizontal direction.
9. The stirring apparatus for producing a reinforced aluminum-based composite material according to claim 1, wherein the double stirring rods are rotated in the same direction or in different directions.
10. The stirring apparatus for producing a reinforced aluminum-based composite material as recited in claim 1, wherein an insulating layer is provided outside the heater.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348657 | 2021-02-05 | ||
| CN2021203486572 | 2021-02-05 |
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| Publication Number | Publication Date |
|---|---|
| CN217120074U true CN217120074U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122740224.4U Active CN217120074U (en) | 2021-02-05 | 2021-11-08 | A agitated vessel for preparing aluminium matrix composite strengthens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821086A (en) * | 2022-11-28 | 2023-03-21 | 同创普润(上海)机电高科技有限公司 | Stirring method and stirring equipment for aluminum alloy melting manufacturing |
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2021
- 2021-11-08 CN CN202122740224.4U patent/CN217120074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821086A (en) * | 2022-11-28 | 2023-03-21 | 同创普润(上海)机电高科技有限公司 | Stirring method and stirring equipment for aluminum alloy melting manufacturing |
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