CN215202592U - Die core for pouring spherical lining impact basin - Google Patents
Die core for pouring spherical lining impact basin Download PDFInfo
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- CN215202592U CN215202592U CN202120584138.6U CN202120584138U CN215202592U CN 215202592 U CN215202592 U CN 215202592U CN 202120584138 U CN202120584138 U CN 202120584138U CN 215202592 U CN215202592 U CN 215202592U
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Abstract
The utility model discloses a basin pouring is strikeed with mould core to spherical inside lining, include: the mould comprises an outer mould, a vacuum pump, a vacuum hole, a mould core and a rubber bag. The utility model adopts the polyurethane rubber bag which has certain flexibility and provides conditions for the repeated use of the mould core; an outer mold and a vacuumizing treatment mode are adopted, so that the mold core is more accurate, and the problem of pouring of the opposite-nature impact basin lining can be solved; the vacuum pump, the die core cover plate and the die core anchoring piece are adopted, so that the die core is higher in combination degree, convenient to operate, convenient to disassemble and assemble, smooth in surface, smooth and clean in inner lining of the spherical lining impact basin pouring prefabricated part and low in porosity.
Description
Technical Field
The utility model relates to a novel ladle is used device specifically is a spherical inside lining strikes basin mould core for pouring.
Background
The spherical lining impact basin has been widely applied to the metallurgical industry due to good high-temperature stress dispersion characteristics and scouring resistance, is mainly applied to the tundish metallurgical process, and can effectively relieve the vertical impact force and the high-temperature stress of molten steel on a tundish. The special purchase of the spherical lining can effectively disperse the vertically falling molten steel in different directions, and meanwhile, the impact basin with the spherical structure has the advantages of best high-temperature gradient resistance effect, better molten steel erosion resistance and longer service life. However, the spherical lining is difficult to pour in an impact basin, belongs to a heterosexual structure, wastes time and labor when the mold core is disassembled, and is easy to cause product fragmentation and even damage of the mold core once the operation is improper.
Researchers of domestic and foreign refractory material enterprises are dedicated to research on pouring processes of spherical lining impact basins, some enterprises adopt a lost foam process, the lost foam is burnt out under the action of high temperature, and the prepared spherical lining impact basin lining is smooth and usable. Some foreign enterprises adopt a 3D printing mode to prepare the spherical lining impact basin, but the wide application of the process is limited by the problems of high cost, low density and the like. Some domestic enterprises adopt a special spherical lining splicing process, and the spherical lining mold core is prepared by a lining steel structure splicing method, so that although a certain effect is achieved, the mold core is complex in disassembly and assembly process, and the preparation period of the impact basin is influenced by overlong construction time.
Disclosure of Invention
In order to solve the prior art not enough, the utility model provides a dismantle convenient, the high-quality spherical inside lining of finished product strikes basin mould core for pouring.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
the utility model provides a basin is strikeed to spherical inside lining is mould core for pouring which characterized in that includes: the vacuum pump is positioned on the inner wall of a cavity inside the outer die and is in contact with the rubber bag, and the die core is arranged inside the outer die;
the mold core is provided with a mold core vacuum pump, mold core vacuum holes, a mold core cover plate, a mold core upper rod, a mold core anchoring part, a mold core rod and mold core sand, the mold core vacuum pump is communicated with the mold core upper rod, the mold core rod is hollow, the upper end of the mold core vacuum pump penetrates through the mold core cover plate to be connected with the mold core upper rod and is communicated with the mold core vacuum pump, the mold core vacuum holes are located in the mold core rod, the lower end of the mold core rod is provided with 6-12 mold core anchoring parts with the length of 10-15mm, and the mold core sand is filled in the rubber bag.
The outer die is of a left-right split structure, and a cavity with the radius of 300-400mm is formed inside the outer die.
The vacuum pump is a KVP04-1.1-12 (N) type vacuum pump.
The size of the vacuum hole is 0.1-0.2cm2The number of the particles is 1 to 5/cm2。
The rubber bag is made of polyurethane rubber, the thickness of the rubber bag is 6-8mm, and the radius of the rubber bag is 60-80 mm.
The vacuum hole is positioned on the inner wall of the inner cavity of the outer die and is contacted with the rubber bag, the size of the inner cavity of the outer die is the same as that of the rubber bag, the radius is 60-80mm, and the size of the vacuum hole is<0.1cm2The number of the particles is 1 to 5/cm2。
The core sand of the die is siliceous sand, and the granularity is 4-6 mm.
Compared with the prior art, the beneficial effects of the utility model are that: 1) the utility model adopts the polyurethane rubber bag which has certain flexibility and provides conditions for the repeated use of the mould core; 2) an outer mold and a vacuumizing treatment mode are adopted, so that the mold core is more accurate, and the problem of pouring of the opposite-nature impact basin lining can be solved; 3) the vacuum pump, the die core cover plate and the die core anchoring piece are adopted, so that the die core is higher in combination degree, convenient to operate, convenient to disassemble and assemble, smooth in surface, smooth and clean in inner lining of the spherical lining impact basin pouring prefabricated part and low in porosity.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-outer mould, 2-vacuum pump, 3-vacuum hole, 4-mould core, 5-rubber bag, 41-mould core vacuum pump, 42-mould core vacuum hole, 43-mould core cover plate, 44-mould core upper rod, 45-mould core anchoring piece, 46-mould core rod and 47-mould core sand.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, 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.
See fig. 1, is the utility model relates to a basin is strikeed to spherical inside lining pouring is with mould core structure schematic diagram, include: outer mould 1, vacuum pump 2, vacuum hole 3, mould core 4 and rubber bag 5, 1 outer wall bottom symmetry of outer mould sets up two vacuum pumps 2, and vacuum hole 3 is located 1 inside cavity inner wall of outer mould, contacts with rubber bag 5, and 1 inside mould core 4 of establishing of outer mould. The mold core 4 is provided with a mold core vacuum pump 41, a mold core vacuum hole 42, a mold core cover plate 43, a mold core upper rod 44, a mold core anchoring piece 45, a mold core rod 46 and mold core sand 47, the mold core vacuum pump 41 is communicated with the mold core upper rod 44, the mold core rod 46 is hollow, the upper end of the mold core rod 46 penetrates through the mold core cover plate 43 to be connected with the mold core upper rod 44 and communicated with the mold core vacuum pump 41, the mold core vacuum hole 3 is positioned on the mold core rod 46, the lower end of the mold core rod 46 is provided with 6-12 mold core anchoring pieces 45 with the length of 10-15mm, and the mold core sand 47 is filled in the rubber bag 5.
In the embodiment, the outer mold 1 is a left-right split structure, and a cavity with the radius of 300-400mm is arranged inside the outer mold. The vacuum pump 2 is a KVP04-1.1-12 (N) type vacuum pump. The size of the vacuum hole 3 is 0.1-0.2cm2The number of the particles is 1 to 5/cm2. The rubber bag 5 is made of polyurethane rubber, the thickness is 6-8mm, and the radius is 60-80 mm. The vacuum holes 3 are positioned on the inner wall of the inner cavity of the outer mould 1 and are contacted with the rubber bag 5, the size of the inner cavity of the outer mould 1 is the same as that of the rubber bag 5, the radius is 60-80mm, and the size of the vacuum holes 3 is the same as that of the rubber bag 5<0.1cm2The number of the particles is 1 to 5/cm2. The mold core sand 47 is siliceous sand with the granularity of 4-6 mm.
The embodiment of the utility model provides a concrete operation mode does: firstly, connecting the left part and the right part of an outer die 1 together to form an integral structure; the mold core 4 is placed inside the outer mold 1, the vacuum pump 2 is used for vacuumizing, the rubber bag 5 is attached to the inner wall of the outer mold 1, attaching stress is formed through the vacuumizing effect, and the vacuum degree is kept to be less than 0.01 MPa.
Then, the mold core anchoring member 45 and the mold core rod 46 are placed inside the rubber bag 5, the mold core sand 47 is filled inside the rubber bag 5 and filled to the top of the rubber bag 5, the mold core cover plate 43 and the mold core vacuum pump 42 are fixed through the mold core upper rod 44, the vacuum pump 2 is closed, the mold core vacuum pump 41 is opened, the mold core sand 47, the mold core rod 46 and the mold core anchoring member 45 form a joint stress through the vacuum pumping effect, and the vacuum degree is kept to be less than 0.01 MPa.
And finally, removing the outer mold 1, placing the mold core 4 into a mold for pouring of an impact basin for pouring, closing the mold core vacuum pump 41 after the strength of the pouring material prefabricated part is formed, pumping out the mold core vacuum pump 41 from the mold core sand 47, pouring out the mold core sand 47, and taking out the rubber bag 5.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a basin is strikeed to spherical inside lining is mould core for pouring which characterized in that includes: the vacuum forming die comprises an outer die (1), vacuum pumps (2), vacuum holes (3), a die core (4) and a rubber bag (5), wherein the two vacuum pumps (2) are symmetrically arranged at the bottom end of the outer wall of the outer die (1), the vacuum holes (3) are positioned on the inner wall of a cavity in the outer die (1) and are in contact with the rubber bag (5), and the die core (4) is arranged in the outer die (1); the die core vacuum pump is characterized in that a die core vacuum pump (41), a die core vacuum hole (42), a die core cover plate (43), a die core upper rod (44), a die core anchoring piece (45), a die core rod (46) and die core sand (47) are arranged on the die core (4), the die core vacuum pump (41) is communicated with the die core upper rod (44), the die core rod (46) is hollow, the upper end of the die core rod (46) penetrates through the die core cover plate (43) to be connected with the die core upper rod (44) and is communicated with the die core vacuum pump (41), the die core vacuum hole (3) is located on the die core rod (46), 6-12 die core anchoring pieces (45) with the length of 10-15mm are arranged at the lower end of the die core rod (46), and the die core sand (47) is filled in the rubber bag (5).
2. The mold core for casting the spherical lining impact basin as claimed in claim 1, wherein the outer mold (1) is of a left-right split structure, and a cavity with a radius of 300-400mm is arranged inside the outer mold.
3. The mold core for casting the spherical lining impingement basin as claimed in claim 1, wherein the vacuum pump (2) is a KVP04-1.1-12 (N) type vacuum pump.
4. The die core for pouring the spherical lining impact basin as claimed in claim 1, wherein the size of the vacuum holes (3) is 0.1-0.2cm2The number of the particles is 1 to 5/cm2。
5. The die core for pouring the spherical lining impact basin as claimed in claim 1, wherein the rubber bladder (5) is made of polyurethane rubber, has a thickness of 6-8mm and a radius of 60-80 mm.
6. The mold core for pouring the spherical lining impact basin as claimed in claim 1, wherein the vacuum hole (3) is located on the inner wall of the inner cavity of the outer mold (1) and contacts with the rubber bag (5), the size of the inner cavity of the outer mold (1) is the same as that of the rubber bag (5), the radius is 60-80mm, and the size of the vacuum hole (3) is 60-80mm<0.1cm2The number of the particles is 1 to 5/cm2。
7. The mold core for casting the spherical lining impact basin as claimed in claim 1, wherein the mold core sand (47) is siliceous sand with a particle size of 4-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584138.6U CN215202592U (en) | 2021-03-23 | 2021-03-23 | Die core for pouring spherical lining impact basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584138.6U CN215202592U (en) | 2021-03-23 | 2021-03-23 | Die core for pouring spherical lining impact basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215202592U true CN215202592U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584138.6U Active CN215202592U (en) | 2021-03-23 | 2021-03-23 | Die core for pouring spherical lining impact basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215202592U (en) |
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2021
- 2021-03-23 CN CN202120584138.6U patent/CN215202592U/en active Active
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