Graphite crucible shelf

Abstract

The utility model provides a graphite crucible shelf which comprises a base, a stand column and a supporting plate assembly, a groove is formed in the middle of the base, a sleeve is installed in the groove, the bottom end of the stand column is inserted into the sleeve, the supporting plate assembly comprises two supporting plate mechanisms symmetrically installed on the two sides of the stand column, and each supporting plate mechanism comprises an upper supporting plate, a middle supporting plate and a lower supporting plate. The graphite crucible placing rack is novel in structural design, graphite crucibles of different sizes can be placed on the graphite crucible placing rack, the overall structural strength is high, the graphite crucibles can be conveniently taken and placed, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of graphite crucible technology, and in particular to a graphite crucible shelf. Background Technology

[0002] Graphite crucibles possess excellent thermal conductivity and high-temperature resistance. During high-temperature use, they exhibit a low coefficient of thermal expansion and good resistance to strain from rapid heating and cooling. They also demonstrate strong resistance to corrosion from acidic and alkaline solutions and excellent chemical stability. In metallurgical, casting, machinery, and chemical industries, they are widely used in the smelting of alloy tool steels and the melting of non-ferrous metals and their alloys, yielding good technical and economic benefits.

[0003] Traditional graphite crucible supports have the following drawbacks: the one-piece structure is prone to cracking due to thermal expansion, resulting in a short lifespan; the large contact area between the support surface and the crucible affects the uniformity of the thermal field; and it cannot be adapted to crucibles of various specifications, resulting in poor versatility. Therefore, it is necessary to design a graphite crucible shelf. Summary of the Invention

[0004] This utility model provides a graphite crucible shelf to solve the problems of low structural strength and inconvenience in handling graphite shelves in the prior art. It enables the placement of graphite crucibles of different sizes, and has high overall structural strength, making it convenient to handle graphite crucibles.

[0005] This utility model provides a graphite crucible shelf, including a base, a column and a support plate assembly;

[0006] A groove is formed in the middle of the base, and a sleeve is installed in the groove;

[0007] The bottom end of the column is inserted into the sleeve;

[0008] The support plate assembly includes two sets of support plate mechanisms symmetrically installed on both sides of the column. Each set of support plate mechanisms includes an upper support plate, a middle support plate, and a lower support plate.

[0009] Graphite crucibles are placed on the upper support plate, middle support plate and lower support plate.

[0010] Preferably, the graphite crucible shelf provided in this application has a first arc-shaped groove on the surface of the upper support plate, a second arc-shaped groove on the surface of the middle support plate, and a third arc-shaped groove on the surface of the lower support plate. The first arc-shaped groove, the second arc-shaped groove, and the third arc-shaped groove cover less than or equal to 30% of the bottom surface area of ​​the graphite crucible.

[0011] Preferably, the graphite crucible shelf provided in this application has carbon fiber buffer pads embedded in the first arc-shaped groove, the second arc-shaped groove, and the third arc-shaped groove, wherein the thickness of the carbon fiber buffer pads is 0.5mm-1mm.

[0012] Preferably, the graphite crucible shelf provided in this application is wherein the upper support plate, the middle support plate and the lower support plate are all made of high-purity isostatic graphite.

[0013] Preferably, the graphite crucible shelf provided in this application is provided with corrugated reinforcing ribs on the lower surfaces of the upper support plate, the middle support plate and the lower support plate.

[0014] Preferably, the graphite crucible shelf provided in this application is wherein the upper support plate, the middle support plate and the lower support plate are installed in a stepped manner from top to bottom on the outer wall of the column. Beneficial effects

[0015] This utility model features a novel structural design, capable of holding graphite crucibles of different sizes, and boasts high overall structural strength, facilitating the handling and placement of graphite crucibles and improving work efficiency.

[0016] In this invention, the first, second, and third arc-shaped grooves cover less than or equal to 30% of the bottom surface area of ​​the graphite crucible, which can reduce heat conduction loss and effectively prevent the graphite crucible from deforming.

[0017] The support plate used in this invention has high overall structural strength, is not easily deformed, and has a long service life.

[0018] The above description is merely an overview of the technical solutions of the present utility model embodiments. In order to better understand the technical means of the present utility model embodiments and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the present utility model embodiments more obvious and understandable, specific embodiments of the present utility model are described below. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a top view of the upper support plate of this utility model;

[0022] Figure 3 This is a schematic diagram of the installation of the corrugated reinforcing rib of this utility model;

[0023] Explanation of reference numerals in the attached drawings: 1. Base; 2. Column; 3. Sleeve; 4. Upper support plate; 5. Middle support plate; 6. Lower support plate; 7. Graphite crucible; 8. First arc-shaped groove; 9. Second arc-shaped groove; 10. Third arc-shaped groove; 11. Carbon fiber buffer pad. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the invention; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and drawings of this invention are intended to cover non-exclusive inclusion.

[0026] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0027] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of this utility model. For example, in the description of this utility model, terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Furthermore, the descriptions of directions such as the X direction, Y direction, and Z direction used to explain the operation and construction of the components in this embodiment are not absolute but relative. Although these directions are appropriate when the components are in the positions shown in the figure, they should be interpreted differently when these positions change.

[0029] Furthermore, the terms "first," "second," etc., in the specification, claims, or drawings of this utility model are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection. A physical connection can be a fixed connection, such as a connection secured by fasteners, such as screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] Please see Figures 1-3 This utility model discloses a graphite crucible shelf, including a base 1, a column 2 and a support plate assembly;

[0033] A groove is formed in the middle of the base 1, and a sleeve 3 is installed in the groove;

[0034] The bottom end of the column 2 is inserted into the sleeve 3;

[0035] The support plate assembly includes two sets of support plate mechanisms symmetrically installed on both sides of the column. Each set of support plate mechanisms includes an upper support plate 4, a middle support plate 5, and a lower support plate 6. Graphite crucibles 7 are placed on the upper support plate 4, the middle support plate 5, and the lower support plate 6. The upper support plate 4, the middle support plate 5, and the lower support plate 6 are installed in a stepped manner from top to bottom on the outer wall of the column 2. This structure can effectively prevent the graphite crucibles on the upper and lower layers from colliding.

[0036] In this invention, a first arc-shaped groove 8 is formed on the surface of the upper support plate 4, a second arc-shaped groove 9 is formed on the surface of the middle support plate 5, and a third arc-shaped groove 10 is formed on the surface of the lower support plate 6. The first, second, and third arc-shaped grooves 8, 9, and 10 cover less than or equal to 30% of the bottom surface area of ​​the graphite crucible 7. A carbon fiber buffer pad 11 is embedded in the first, second, and third arc-shaped grooves 8, 9, and 10, and the thickness of the carbon fiber buffer pad 11 is 0.5mm-1mm. In this invention, the first, second, and third arc-shaped grooves covering less than or equal to 30% of the bottom surface area of ​​the graphite crucible can reduce heat conduction loss and effectively prevent deformation of the graphite crucible.

[0037] Furthermore, in this invention, the upper support plate 4, the middle support plate 5, and the lower support plate 6 are all made of high-purity isostatic graphite; the lower surfaces of the upper support plate 4, the middle support plate 5, and the lower support plate 6 are also provided with corrugated reinforcing ribs 12. This structure improves the overall structural strength of the support plate, making it less prone to deformation and extending its service life.

[0038] In terms of usage, after the graphite crucible is processed, it is manually placed on the corresponding support plate. The bottom of the graphite crucible is supported in the arc-shaped groove. When taking it out, rotate the column and then manually take out the corresponding graphite crucible. It is very convenient to use.

[0039] In summary, this utility model has a novel structural design, can accommodate graphite crucibles of different sizes, has high overall structural strength, facilitates the handling of graphite crucibles, and improves work efficiency.

[0040] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A graphite crucible shelf characterized by, Base (1), column (2) and support plate assembly are included; The recess is provided in the middle of the base (1), and the sleeve (3) is installed in the recess; The bottom end of the column (2) is inserted into the sleeve (3); The support plate assembly includes two groups of support plate mechanisms symmetrically installed on both sides of the column, each group of the support plate mechanism includes an upper support plate (4), a middle support plate (5) and a lower support plate (6); The upper support plate (4), the middle support plate (5) and the lower support plate (6) are placed on the graphite crucible (7).

2. A graphite crucible shelf according to claim 1, wherein The first arc-shaped recess (8) is provided on the surface of the upper support plate (4), the second arc-shaped recess (9) is provided on the surface of the middle support plate (5), and the third arc-shaped recess (10) is provided on the surface of the lower support plate (6), and the first arc-shaped recess (8), the second arc-shaped recess (9) and the third arc-shaped recess (10) wrap the bottom of the graphite crucible (7) less than or equal to 30% of the surface area.

3. A graphite crucible shelf according to claim 2, wherein The first arc-shaped recess (8), the second arc-shaped recess (9) and the third arc-shaped recess (10) are embedded with carbon fiber cushion pads (11), and the thickness of the carbon fiber cushion pads (11) is 0.5mm-1mm.

4. A graphite crucible shelf according to claim 1, wherein The upper support plate (4), the middle support plate (5) and the lower support plate (6) are all made of high-purity isostatic pressing graphite.

5. A graphite crucible shelf according to claim 1, wherein The lower surfaces of the upper support plate (4), the middle support plate (5) and the lower support plate (6) are further provided with wave-shaped reinforcing ribs (12).

6. A graphite crucible shelf according to claim 1, wherein The upper support plate (4), the middle support plate (5) and the lower support plate (6) are installed on the outer wall of the column (2) in a stepped manner from top to bottom.

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