Crucible for preparing aluminum-based intermediate alloy

Abstract

The invention relates to the technical field of metallurgical equipment, in particular to an aluminum-based intermediate alloy preparation crucible which comprises a base, a crucible body is mounted on the base, first protection plates are arranged on the periphery of the crucible body on the base, the first protection plates are annularly distributed, and second protection plates are mounted on the outer sides of the joints of the first protection plates. The second protection plates are in sliding connection with the base, the second protection plates are annularly distributed, annular plates are installed on the outer sides of the second protection plates, a structure enabling the first protection plate, the second protection plates and the crucible body to be fixed through the annular plates is formed, and the minimum perimeter of each annular plate can be automatically adjusted. According to the crucible, the aluminum-based intermediate alloy which damages the interior of the crucible in a using state is prevented from flowing out.

Description

Technical Field

[0001] This invention relates to the field of metallurgical equipment technology, specifically to crucibles for preparing aluminum-based master alloys. Background Technology

[0002] In industry, copper, graphite crucibles, magnesium oxide brick crucibles, or alumina sintered crucibles are generally used to prepare aluminum-based master alloys. After prolonged use, crucibles may develop cracks, fissures, holes, or breaks. If the crucible is not replaced in time while in use, it can easily break, causing the aluminum-based master alloy inside to leak out. This not only wastes the aluminum-based master alloy being prepared but also damages the surrounding production environment and poses a production safety risk to production personnel. Summary of the Invention

[0003] In view of the shortcomings of the prior art and to overcome the defects of the prior art, the present invention aims to provide a crucible for preparing aluminum-based master alloys, and solve the problem of aluminum-based master alloys flowing out of the crucible due to damage during use.

[0004] The technical solution is a crucible for preparing aluminum-based master alloys, including a base, a crucible body mounted on the base, a first protective plate disposed on the outer periphery of the crucible body, the first protective plates being arranged in a ring, a second protective plate being installed on the outer side of the connection of the first protective plates, the second protective plates being slidably connected to the base, the second protective plates being arranged in a ring, and an annular plate being installed on the outer side of the second protective plates, forming a structure in which the first protective plate, the second protective plate and the crucible body are fixed by the annular plate, and the minimum circumference of each annular plate can be automatically adjusted.

[0005] Preferably, the inner diameters of the annular plates are different, and each annular plate has through holes. The plane of each through hole is parallel to or inclined to the axis of the annular plate. One of the through holes is adjacent to the second protective plate, and the through holes are equidistantly distributed.

[0006] Preferably, each of the through holes is located on both sides of the annular plate, and the inner diameter of the middle part of each of the annular plates is the largest.

[0007] Preferably, each of the annular plates is detachably and fixedly connected to the second protective plate.

[0008] Preferably, each of the annular plates includes a curved panel with a C-shaped structure, and pin holes are formed at both ends of each curved panel.

[0009] Preferably, the base has an elongated hole, and each of the second protective plates has a mounting hole corresponding to the elongated hole. The base and the second protective plate are fitted with I-shaped limiting members at the elongated hole and the mounting hole.

[0010] Preferably, each of the first protective plates is provided with a locking block, and each of the second protective plates is provided with a locking groove that cooperates with the locking block. Each locking groove is located on one side of the connection between the first protective plates and the second protective plate.

[0011] Preferably, each of the first protective plate, the second protective plate, and the base is made of a high-temperature resistant and thermally conductive material.

[0012] Preferably, the portion of each of the first protective plate, the second protective plate, and the base adjacent to the crucible body is coated with an alumina coating.

[0013] This invention provides a crucible for preparing aluminum-based master alloys, which has the following advantages compared with the prior art: 1. Through the cooperation of the first protective plate, the second protective plate and the base, the aluminum-based intermediate alloy inside the crucible can be prevented from flowing out, regardless of whether the crucible body expands or not, during use.

[0014] 2. The crucible body is easily replaced by a detachable and fixed connection between the annular plate and the second protective plate. Attached Figure Description

[0015] Figure 1 This is a schematic front cross-sectional view of the present invention.

[0016] Figure 2 This is a top view of the present invention. Figure 3 This is a schematic cross-sectional view of the present invention along the AA direction.

[0017] Figure 4 This is a schematic cross-sectional view of the present invention along the BB direction.

[0018] Figure 5 This is a schematic front cross-sectional view of the present invention.

[0019] In the figure: 1 base, 2 crucible body, 3 first protective plate, 4 second protective plate, 5 ring plate, 5.1 curved plate, 5.2 pin hole, 6 through hole, 7 elongated hole, 8 mounting hole, 9 limiting component, 10 card block, 11 card slot. Detailed Implementation

[0020] The technical solutions of various embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0021] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] The present invention will now be described in further detail with reference to specific embodiments and accompanying drawings.

[0023] Please see Figure 1-5This invention provides a technical solution: a crucible for preparing aluminum-based master alloys, comprising a base 1, a crucible body 2 mounted on the base 1, the crucible body 2 being a suitable crucible such as a copper crucible, a graphite crucible, a magnesium oxide brick crucible, or an alumina sintered crucible, etc. A first protective plate 3 is provided on the outer periphery of the crucible body 2 on the base 1, the first protective plates 3 being arranged in a ring, the bottom end of the first protective plate 3 being slidably connected to the base 1, a second protective plate 4 being mounted on the outer side of the connection point of each first protective plate 3, the second protective plate 4 being slidably connected to the base 1, the second protective plates 4 being arranged in a ring, and an annular plate 5 being mounted on the outer side of each second protective plate 4, forming a structure in which the first protective plate 3, the second protective plate 4, and the crucible body 2 are fixed by the annular plate 5. The minimum circumference of each annular plate 5 can be automatically adjusted. The outer side of the crucible body 2 surrounds the first protective plate 3, the outer side of the first protective plate 3 surrounds the second protective plate 4, and the outer side of the second protective plate 4 is tightly secured by the annular plate 5. This forms a structure in which the first protective plate 3 and the second protective plate 4 are fixed to the crucible body 2 by the annular plate 5. During the use of the crucible body 2, the first protective plate 3, the second protective plate 4 and the base 1 cooperate to form a cylindrical structure around the crucible body 2, preventing the aluminum-based intermediate alloy inside the crucible from flowing out. At the same time, when cracks or fissures appear on the crucible and expansion occurs, the first protective plate 3 moves outward, creating gaps between the first protective plates 3. The second protective plate 4 blocks the gaps between the first protective plates 3. At the same time, the circumferential length of the second protective plate 4 increases, causing the length of the annular plate 5 to increase. Since the length of the annular plate 5 is adjustable, the first protective plate 3 and the second protective plate 4 are fixed to the crucible body 2 by the annular plate 5. Regardless of whether the crucible body 2 expands or not, the cooperation between the first protective plate 3, the second protective plate 4 and the base 1 can prevent the aluminum-based intermediate alloy inside the crucible from flowing out.

[0024] In one embodiment, the number of the first protective plate 3 and the second protective plate 4 is the same, such as three, four, five, or other suitable quantities.

[0025] In one embodiment, the inner diameters of the annular plates 5 are different, and each annular plate 5 has through holes 6. The plane of each through hole 6 is parallel to the axis of the annular plate 5, or it can be arranged at an angle. One of the through holes 6 is adjacent to the second protective plate 4, and the through holes 6 are equidistantly distributed. When the annular plate 5 is subjected to an outward pushing force as applied by the second protective plate 4, the part of the annular plate 5 adjacent to the second protective plate 4 and the second protective plate 4 breaks first, thereby increasing the minimum circumference of the annular plate 5. The annular plate 5 continues to tighten the second protective plate 4. When the annular plate 5 is subjected to a large outward pushing force as applied by the second protective plate 4, the parts of the annular plate 5 between the through holes 6 and the parts closer to the second protective plate 4 break in sequence, thereby increasing the minimum circumference of the annular plate 5. The annular plate 5 continues to tighten the second protective plate 4, thereby automatically adjusting the minimum circumference of each annular plate 5. In addition, when a part of the annular plate 5 breaks, it can be determined that the crucible body 2 is easily damaged.

[0026] In one embodiment, each through hole 6 is located on both sides of the annular plate 5, and the inner diameter of the middle part of each annular plate 5 is the largest. Since there is no through hole 6 in the middle part of the annular plate 5, the maximum circumference of the annular plate 5 is limited, so that the maximum circumference of the annular plate 5 remains unchanged.

[0027] In one embodiment, each annular plate 5 is detachably and fixedly connected to the second protective plate 4, and the bottom of the crucible body 2 is in contact with the surface of the base 1. The detachable and fixed connection between the annular plate 5 and the second protective plate 4 facilitates the replacement of the crucible body 2.

[0028] In one embodiment, each annular plate 5 includes a C-shaped curved panel 5.1 with pin holes 5.2 at both ends. When the annular plate 5 surrounds the second protective plate 4, the two ends of the curved panel 5.1 are fixed by pin connection, thereby fixing the first protective plate 3, the second protective plate 4 and the crucible body 2 through the annular plate 5. This allows the crucible body 2 to be installed in the cylindrical structure formed by the first protective plate 3, the second protective plate 4 and the base 1. When the two ends of the curved panel 5.1 are separated, the annular plate 5 and the second protective plate 4 are separated, thereby making the annular plate 5 and the second protective plate 4 detachably fixed. At this time, by sliding the second protective plate 4 and the first protective plate 3 relative to the base 1, the circumference of the annulus formed by the first protective plate 3 is increased, thereby facilitating the removal of the crucible body 2.

[0029] In one embodiment, an elongated hole 7 is provided on the base 1, and mounting holes 8 corresponding to the elongated hole 7 are provided on each of the second protective plates 4. I-shaped limiting members 9 are installed on the base 1 and the second protective plates 4 at the elongated hole 7 and the mounting holes 8. The middle of the limiting member 9 is a suitable structure such as a cylinder or prism, and the two ends of the limiting member 9 are suitable structures such as cylinders or hemispheres. The limiting member 9 and the base 1 remain in a fixed position, but the limiting member 9 and the elongated hole 7 can slide relative to each other, thereby allowing the second protective plate 4 to slide relative to the base 1.

[0030] In one embodiment, each first protective plate 3 is provided with a locking block 10, and the locking block 10 and the first protective plate 3 are integrally formed. Each second protective plate 4 is provided with a locking groove 11 that cooperates with the locking block 10. Each locking groove 11 is located on one side of the connection between the first protective plate 3 and the second protective plate 4. Each first protective plate 3 is provided with a locking block 10, and each second protective plate 4 is provided with a locking groove 11. Through the cooperation of the locking groove 11 and the locking block 10, the first protective plate 3 is prevented from moving up and down, so that the bottom end of the first protective plate 3 is always in contact with the surface of the base 1.

[0031] In one embodiment, each of the first protective plate 3, the second protective plate 4, and the base 1 is made of a suitable high-temperature resistant and thermally conductive material such as copper-nickel alloy, iron-nickel alloy, silicon nitride, or zirconium oxide. The other components, except for the crucible body 2, can also be made of a suitable high-temperature resistant and thermally conductive material such as copper-nickel alloy, iron-nickel alloy, silicon nitride, or zirconium oxide.

[0032] In one embodiment, the portions of each of the first protective plate 3, the second protective plate 4, and the base 1 adjacent to the crucible body 2 are coated with an alumina coating, so that the aluminum-based intermediate alloy flowing out of the crucible body 2 only comes into contact with the alumina coating, preventing the aluminum-based intermediate alloy from being contaminated by the first protective plate 3, the second protective plate 4, the base 1, etc.

[0033] In one embodiment, the base 1 is a flat plate structure.

[0034] The present invention has been described in detail above through specific embodiments and examples, but these are not intended to limit the invention. Many modifications and improvements can be made by those skilled in the art without departing from the principles of the invention, and these should also be considered within the scope of protection of the present invention.

Claims

1. A crucible for preparing aluminum-based master alloys, characterized in that: Includes a base (1), on which a crucible body (2) is mounted. A first protective plate (3) is provided on the outer periphery of the crucible body (2) on the base (1). Each of the first protective plates (3) is arranged in a ring. A second protective plate (4) is installed on the outer side of the connection of each of the first protective plates (3). Each of the second protective plates (4) is slidably connected to the base (1). Each of the second protective plates (4) is arranged in a ring. An annular plate (5) is installed on the outer side of each of the second protective plates (4), forming a structure in which the first protective plate (3), the second protective plate (4) and the crucible body (2) are fixed together by the annular plate (5). The minimum circumference of each of the annular plates (5) can be automatically adjusted.

2. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: The inner diameters of the annular plates (5) are different, and each annular plate (5) has a through hole (6). The plane of each through hole (6) is parallel or inclined to the axis of the annular plate (5). One of the through holes (6) is adjacent to the second protective plate (4), and the through holes (6) are equidistantly distributed.

3. The crucible for preparing aluminum-based master alloys according to claim 2, characterized in that: Each of the through holes (6) is located on both sides of the annular plate (5), and the inner diameter of the middle part of each of the annular plates (5) is the largest.

4. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: Each of the annular plates (5) and the second protective plate (4) are detachably and fixedly connected.

5. The crucible for preparing aluminum-based master alloys according to claim 4, characterized in that: Each of the aforementioned annular plates (5) includes a curved panel with a C-shaped structure. 5.1) Pin holes (5.2) are provided at both ends of each of the curved panels (5.1).

6. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: The base (1) has an elongated hole (7), and each of the second protective plates (4) has a mounting hole (8) corresponding to the elongated hole (7). The base (1) and the second protective plate (4) are fitted with I-shaped limiting members (9) at the elongated hole (7) and the mounting hole (8).

7. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: Each of the first protective plates (3) is provided with a locking block (10), and each of the second protective plates (4) is provided with a locking groove (11) that cooperates with the locking block (10). Each locking groove (11) is located on one side of the connection between each of the first protective plates (3) and the second protective plate (4).

8. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: Each of the first protective plate (3), the second protective plate (4), and the base (1) is made of high-temperature resistant and heat-conducting material.

9. The crucible for preparing aluminum-based master alloys according to claim 1, characterized in that: An alumina coating is provided on the portion of the first protective plate (3), the second protective plate (4), and the base (1) adjacent to the crucible body (2).

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