CN213033634U - Vacuum suction casting device for rare earth metal - Google Patents
Vacuum suction casting device for rare earth metal Download PDFInfo
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- CN213033634U CN213033634U CN202021396811.5U CN202021396811U CN213033634U CN 213033634 U CN213033634 U CN 213033634U CN 202021396811 U CN202021396811 U CN 202021396811U CN 213033634 U CN213033634 U CN 213033634U
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Abstract
The utility model discloses a rare earth metal vacuum suction casting device, which comprises a die cavity, wherein the die cavity comprises a first die cavity and a second die cavity, and a plurality of one-to-one corresponding models are arranged at the inner sides of the first die cavity and the second die cavity; the medial surface of first type cavity and second type cavity still is equipped with the direct current and waters and cross current water a way, and cooling structure, U type passageway is opened out to the inside of first type cavity and/or second type cavity, and the oral siphon is connected to the one end of U type passageway, and the outlet pipe is connected to the other end, and U type passageway is close to the model setting, still connects a plurality of communicating pipes on the U type passageway, and the position of communicating pipe and every crossing current water a way and correspond, and communicating pipe is used for cooling off the crossing current and waters. The utility model discloses set up cooling structure, make the liquid rare earth metal cool off fast and solidify, improve production efficiency, adopt vacuum apparatus to inhale the casting shaping with liquid rare earth metal, avoided rare earth metal at casting in-process oxidation, set up the electrolyte overflow case and can collect the electrolyte by the suction earlier, improved rare earth metal's purity.
Description
Technical Field
The utility model relates to a tombarthite processing technology field especially relates to a tombarthite metal vacuum suction casting device.
Background
Rare earth metals, also called rare earth elements, are the general names of 17 elements of scandium, yttrium and lanthanide series in IIIB group of the periodic Table of elements, and are usually represented by R or RE. The rare earth metal has strong chemical activity and generates R with high stability when reacting with oxygen2O3And (3) a type oxide.
For example, chinese patent CN106799487A discloses an automatic dumping system for rare earth metal casting molding machinery, which comprises a base and a clamping device for clamping a pot body, wherein a dumping driving device is disposed on the base, the dumping driving device is connected with the clamping device, and the dumping driving device can drive the clamping device to laterally overturn. However, this casting method has the following disadvantages:
(1) because the melting point of the rare earth metal is high, the time for standing and cooling is long, and the production efficiency is low;
(2) the rare earth metal after casting is mixed with a large amount of electrolyte, so that the purity of the rare earth metal is low.
In view of the above, there is a need for improvement of the existing rare earth metal casting apparatus to increase the production efficiency of rare earth metals and to improve the purity of rare earth metals.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a rare earth metal vacuum suction casting device for among the solution prior art, rare earth metal's production efficiency is low, the problem that purity is low.
In order to solve the above problem, the utility model adopts the following technical scheme:
provides a rare earth metal vacuum suction casting device, which comprises a die cavity and a vacuum suction casting device,
the suction casting pipe is inserted at the lower end of the cavity;
one end of the vacuum tube is inserted into the upper end of the cavity, the other end of the vacuum tube is connected with the vacuum tank, and the vacuum tube is provided with an air extraction valve for vacuum extraction and a pressure release valve for pressure release;
the electrolyte overflow box is communicated with the vacuum tube and is used for collecting the overflowed electrolyte and liquid metal;
the die cavity comprises a first die cavity body and a second die cavity body, and a plurality of one-to-one corresponding dies are arranged on the inner sides of the first die cavity body and the second die cavity body;
the inner side surfaces of the first cavity and the second cavity are also provided with a direct flow pouring gate and a cross flow pouring gate, the direct flow pouring gate is vertically arranged in the middle of the inner side surfaces of the first cavity and the second cavity, and the cross flow pouring gate is obliquely downwards arranged on two sides of the direct flow pouring gate and is communicated with the models;
the cooling structure is characterized in that a U-shaped channel is formed in the first cavity and/or the second cavity, one end of the U-shaped channel is connected with a water inlet pipe, the other end of the U-shaped channel is connected with a water outlet pipe, the U-shaped channel is arranged close to the model, the U-shaped channel is further connected with a plurality of communicating pipes, the positions of the communicating pipes correspond to the cross flow runners, and the communicating pipes are used for cooling the cross flow runners;
in the scheme, the water inlet end of the water inlet pipe and the water outlet end of the water outlet pipe are inserted into the water tank filled with the cooling liquid, and the water inlet pipe is provided with a water suction pump.
In the above scheme, the other end of the communicating pipe is further connected with a cooling pipe, and the cooling pipe is arranged in parallel with the direct current runner.
In the scheme, the upper end and the lower end of the direct current runner are respectively provided with a first riser and a second riser, the upper end of the first riser is connected with the vacuum tube through a first flange, and the lower end of the second riser is connected with the suction casting tube through a second flange.
In the above scheme, the first riser and the second riser are fixed on the second cavity, and the first cavity is provided with a reversed port matched with the first riser and the second riser.
In the scheme, the cylinder is arranged on the outer side of the first type cavity, the peripheries of the first type cavity and the second type cavity are positioned through the sliding guide rod, and the cylinder drives the second type cavity to slide along the sliding guide rod.
In the scheme, the cylinder is fixed on the lifting platform and used for adjusting the depth of the suction casting pipe inserted into the electrolytic furnace.
In the above scheme, the upper end of the electrolyte overflow box is provided with the sealing cover, the sealing cover is provided with the observation part for observing the overflow condition of the liquid metal, and the observation part is made of transparent materials.
In the above scheme, a vacuum pressure gauge is further arranged on the vacuum tube and used for detecting the pressure value.
In the scheme, the cavity is internally provided with a titanium coating.
The utility model discloses a technical scheme can reach following beneficial effect:
set up cooling structure, make the liquid rare earth metal cool off fast and solidify, improve production efficiency, adopt vacuum apparatus to suction-cast the shaping with liquid rare earth metal, avoided rare earth metal at the casting in-process oxidation, set up the electrolyte overflow box and can collect the electrolyte by the suction earlier, improved rare earth metal's purity.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof of the present invention explain the present invention and do not form an improper limitation to the present invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a rare earth metal vacuum suction casting apparatus disclosed in embodiment 1 of the present invention;
FIG. 2 is a schematic view of a cavity and a cooling structure of a rare earth metal vacuum suction casting apparatus disclosed in embodiment 1 of the present invention;
FIG. 3 is a front view of a vacuum suction casting apparatus for rare earth metals disclosed in embodiment 1 of the present invention;
FIG. 4 is a front view of a cavity of a vacuum suction casting apparatus for rare earth metals disclosed in embodiment 1 of the present invention;
FIG. 5 is a front view of a cavity of a vacuum suction casting apparatus for rare earth metals disclosed in embodiment 2 of the present invention;
FIG. 6 is a plan view of a cavity of a vacuum suction casting apparatus for rare earth metals disclosed in embodiment 2 of the present invention;
fig. 7 is a sectional view taken along line a-a of fig. 6.
The following reference signs are specifically included:
a cavity-10; cooling structure-20; suction casting pipe-30; vacuum tube-40; a cylinder-50; a lifting platform-60; a first cavity-11; a second type cavity-12; model-13; a direct current runner-14; a cross flow runner-15; a sliding guide-16; u-shaped channel-21; a water tank-22; a water inlet pipe-23; a water outlet pipe-24; a water pump-25; a communicating tube-26; a cooling pipe-27; vacuum tank-41; an air extraction valve-42; a pressure relief valve-43; an electrolyte overflow tank-44; a liquid level sensor-45; vacuum pressure gauge-46; chamfering-111; a first riser-141; a second riser-142; an observation section-441.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in FIGS. 1 to 4, the vacuum suction casting device for rare earth metals of the present invention includes a cavity 10.
The cavity 10 includes a first cavity 11 and a second cavity 12, and a plurality of one-to-one corresponding molds 13 are disposed inside the first cavity 11 and the second cavity 12. The mould 13 is used for setting the liquid metal. The cooling structure is provided with a U-shaped channel 21 arranged inside the first cavity 11 and/or the second cavity 12, one end of the U-shaped channel 21 is connected with a water inlet pipe 23 of the water tank 22, the other end of the U-shaped channel 21 is connected with a water outlet pipe 24 of the water tank 22 and is externally connected with the water tank 22 filled with cooling liquid, a water suction pump 25 is arranged on the water inlet pipe 23, and the U-shaped channel 21 is arranged close to the model 13. Set up cooling structure and make the cooling solidification that liquid rare earth metal can be quick, improve production efficiency.
The suction casting pipe 30 is inserted at the lower end of the cavity 10; one end of the vacuum tube 40 is inserted into the upper end of the cavity 10, the other end of the vacuum tube is connected with the vacuum tank 41, and the vacuum tube 41 is provided with an air extraction valve 42 for vacuum extraction and a pressure release valve 43 for pressure release; the electrolyte overflow box 44 is communicated with the vacuum tube 40 and is used for collecting overflowed electrolyte, a liquid level sensor 45 is arranged at the lower end of the joint of the vacuum tube 40 and the electrolyte overflow box 44, and the liquid level sensor 45 is used for outputting a signal whether the liquid level reaches the joint. The liquid rare earth metal is formed by suction casting by a vacuum device, so that the rare earth metal is prevented from being oxidized in the casting process.
The inner side surfaces of the first type cavity 11 and the second type cavity 12 are also provided with a direct flow pouring gate 14 and a transverse flow pouring gate 15, the direct flow pouring gate 14 is vertically arranged in the middle of the inner side surfaces of the first type cavity 11 and the second type cavity 12, and the transverse flow pouring gate 15 is downwards inclined and arranged on two sides of the direct flow pouring gate 14 and is communicated with each model 13. Inhale liquid metal of casting and flow into each crossing current behind the direct current runner 14 and flow into the model in, with crossing current runner 15 downward sloping setting, this angle is 15 in this scheme, makes things convenient for liquid metal gliding to crossing current runner 15 sets up in the upper end of each model 13, liquid rare earth metal through crossing current runner 15 back down flow into the model 13 in, guaranteed that the interior liquid rare earth metal of model 13 does not flow outside after disappointing.
The upper end and the lower end of the direct current pouring gate 14 are respectively provided with a first riser 141 and a second riser 142, in the scheme, the first riser 141 and the second riser 142 are both set to be conical or cylindrical risers with diameters 1.5 times larger than that of the direct current pouring gate, the upper end of the first riser 141 is connected with the vacuum tube 30 through a first flange, the lower end of the second riser 142 is connected with the suction casting tube 20 through a second flange, the risers are arranged, the condition that the mold filling is incomplete due to the fact that the suction casting speed is too high is avoided, and the turbulent phenomenon is effectively relieved.
The first riser 141 and the second riser 142 are fixed on the second cavity 12, the first cavity 11 is provided with the inverted opening 111 matched with the first riser 141 and the second riser 142, and the whole device is in a sealed state after the cavity 10 is fastened, so that the interior of the device can be vacuumized. The first cavity 11 is stationary.
In one embodiment, the liquid height of the electrolyte in the rare earth electrolyzer is 50cm, the liquid height of the liquid rare earth metal is 12cm, the electrolyte has a density lower than that of the liquid rare earth metal, so that the electrolyte and the liquid rare earth metal can be layered in the electrolyzer, the height of the suction casting pipe 20 is 80cm, so that the suction casting pipe 20 can be inserted into the lowest end of the liquid level, the electrolyte with the height of 50cm is suction cast in the suction casting pipe 20, and the liquid level sensor is arranged at a position 30cm away from the upper end of the first dead head 141. It is emphasized that the volume from the bottom of the first riser 141 to the level of the level sensor is greater than the volume of electrolyte in the suction casting tube.
The outer side of the first type cavity 11 is provided with an air cylinder 50, the peripheries of the first type cavity 11 and the second type cavity 12 are positioned through a sliding guide rod 16, and the air cylinder 50 drives the second type cavity 12 to slide along the sliding guide rod 16. The cylinder 50 is fixed on the elevating platform 60 for adjusting the depth of the suction casting pipe 30 inserted into the electrolytic furnace.
Preferably, the upper end of the electrolyte overflow box 44 is provided with a sealing cover, the sealing cover is provided with an observation part 441 for observing the overflow condition of the electrolyte, and the observation part 441 is made of transparent material, such as glass. Since liquid is drawn into the vacuum tube 40 after the vacuum is applied, the electrolyte overflow tank 44 is positioned at the maximum suction casting height, in one embodiment, 0.06Mpa under vacuum, with the electrolyte overflow tank 44 being positioned 1.4m from the end of the suction casting tube 30.
Preferably, a vacuum pressure gauge 46 is further provided on the vacuum tube 40 for detecting the pressure value.
Preferably, the suction valve 42 is an electromagnetic suction valve. The electromagnetic vacuum valve is suitable for controlling the on-off of a liquid working medium pipeline by taking liquid as a working medium.
Preferably, the cavity 10 is internally provided with a titanium coating, and because titanium does not react with rare earth metal, impurities in the rare earth metal are avoided, and the purity of the rare earth metal is ensured.
Example 2
As shown in fig. 5 to 7, different from embodiment 1, in this embodiment, a plurality of communicating pipes 26 are further provided on the U-shaped channel 20, the communicating pipes 26 are provided close to the cross flow runner 15 and correspond to the cross flow runner 15 one to one, so as to accelerate solidification of the liquid rare earth metal in the cross flow runner 15, the other ends of the communicating pipes 26 are further connected to a cooling pipe 27, the cooling pipe 27 is provided in parallel with the straight flow runner 14, so that the distribution of the cooling liquid in the communicating pipes is more uniform, and cooling is accelerated, because the diameter of the cross flow runner 15 is much smaller than that of the straight flow runner 14, in this embodiment, it is preferable that the pressure release valve 43 is opened after solidification of the liquid rare earth metal in the cross flow runner 15, so as to prevent backflow of the liquid in the cross flow. In one embodiment, the cooling time of the cross flow runner 15 is preset to 30s, i.e., the relief valve 43 is opened after the cooling liquid is injected into the cooling structure 30s, and the liquid in the vacuum tube 40 and the suction casting tube 30 is returned to the rare earth electrolytic furnace.
The utility model discloses rare earth metal vacuum suction casting device's application method is as follows:
inserting the suction casting pipe 30 into the bottom of the metal receiver of the rare earth electrolytic furnace, and driving the second cavity 12 to slide and buckle with the first cavity 11 by the cylinder 50, so that the suction casting pipe 30, the cavity 10, the cooling structure 20, the first riser 141, the second riser 142, the vacuum pipe 40, the electrolyte overflow box 44 and the vacuum tank 41 are hermetically connected; opening the extraction valve 42 and closing the pressure release valve 43; when the signal that the liquid level reaches is received, the air suction valve 42 and the pressure release valve 43 are closed; a water pump 25 pumps cooling liquid and injects the cooling liquid into the cooling structure 20 to solidify metal in the cross flow pouring channel 15, and the cooling time is preset to be 30 s; opening the pressure release valve 43, and making the liquid in the vacuum tube 40 and the suction casting tube 30 flow back to the rare earth electrolytic furnace; and when the cavity 10 is cooled and the cooling time is preset to be 10min, the cylinder 50 drives the second cavity 12 to slide so as to open the cavity 10, and the rare earth metal block is taken out.
The utility model discloses set up cooling structure, make the liquid rare earth metal cool off fast and solidify, improve production efficiency, adopt vacuum apparatus to inhale the casting shaping with liquid rare earth metal, avoided rare earth metal at casting in-process oxidation, set up the electrolyte overflow case and can collect the electrolyte by the suction earlier, improved rare earth metal's purity.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A rare earth metal vacuum suction casting device comprises a die cavity and is characterized by also comprising,
the suction casting pipe is inserted at the lower end of the cavity;
one end of the vacuum tube is inserted into the upper end of the cavity, the other end of the vacuum tube is connected with the vacuum tank, and the vacuum tube is provided with an air extraction valve for vacuum extraction and a pressure release valve for pressure release;
the electrolyte overflow box is communicated with the vacuum tube and is used for collecting the overflowed electrolyte and liquid metal;
the die cavity comprises a first die cavity body and a second die cavity body, and a plurality of one-to-one corresponding dies are arranged on the inner sides of the first die cavity body and the second die cavity body;
the inner side surfaces of the first cavity and the second cavity are also provided with a direct flow pouring gate and a cross flow pouring gate, the direct flow pouring gate is vertically arranged in the middle of the inner side surfaces of the first cavity and the second cavity, and the cross flow pouring gate is obliquely downwards arranged on two sides of the direct flow pouring gate and is communicated with the models;
cooling structure, U type passageway is opened out to the inside of first type cavity and/or second type cavity, the oral siphon is connected to the one end of U type passageway, and the outlet pipe is connected to the other end, U type passageway is close to the model sets up, still connect a plurality of communicating pipes on the U type passageway, the position and every of communicating pipe the crossing current is watered and is corresponded, communicating pipe is used for the cooling the crossing current is watered.
2. The vacuum suction casting apparatus for rare earth metals according to claim 1, wherein the water inlet end of the water inlet pipe and the water outlet end of the water outlet pipe are inserted into a water tank filled with cooling liquid, and the water inlet pipe is provided with a water pump.
3. The vacuum suction casting apparatus for rare earth metals according to claim 1, wherein the other end of the communicating tube is further connected to a cooling tube, and the cooling tube is disposed in parallel with the dc runner.
4. The vacuum suction casting device for rare earth metals according to claim 1, wherein a first riser and a second riser are respectively provided at the upper end and the lower end of the sprue, the upper end of the first riser is connected to the vacuum tube via a first flange, and the lower end of the second riser is connected to the suction casting tube via a second flange.
5. The vacuum suction casting apparatus for rare earth metals according to claim 4, wherein the first riser and the second riser are fixed on a second cavity, and the first cavity is provided with a back-off mouth matched with the first riser and the second riser.
6. The vacuum suction casting apparatus for rare earth metals according to claim 1, wherein an air cylinder is disposed outside the first cavity, the peripheries of the first cavity and the second cavity are positioned by a sliding guide rod, and the air cylinder drives the second cavity to slide along the sliding guide rod.
7. The vacuum suction casting apparatus for rare earth metals according to claim 6, wherein the cylinder is fixed on a lifting platform for adjusting the depth of the suction casting pipe inserted into the electrolytic furnace.
8. The vacuum suction casting apparatus for rare earth metals according to claim 1, wherein a sealing cap is provided at an upper end of the electrolyte overflow tank, an observation part for observing overflow of liquid metal is provided on the sealing cap, and the observation part is made of transparent material.
9. The vacuum suction casting apparatus for rare earth metals according to claim 1, wherein a vacuum pressure gauge is further provided on the vacuum tube for detecting a pressure value.
10. The rare earth metal vacuum suction casting apparatus according to claim 1, wherein the cavity has a titanium coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396811.5U CN213033634U (en) | 2020-07-14 | 2020-07-14 | Vacuum suction casting device for rare earth metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396811.5U CN213033634U (en) | 2020-07-14 | 2020-07-14 | Vacuum suction casting device for rare earth metal |
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| Publication Number | Publication Date |
|---|---|
| CN213033634U true CN213033634U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021396811.5U Active CN213033634U (en) | 2020-07-14 | 2020-07-14 | Vacuum suction casting device for rare earth metal |
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| CN (1) | CN213033634U (en) |
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- 2020-07-14 CN CN202021396811.5U patent/CN213033634U/en active Active
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