Cylindrical graphite crucible with high thermal efficiency

Abstract

The utility model discloses a cylindrical graphite crucible with high thermal efficiency, which belongs to the technical field of graphite crucibles, and comprises a graphite crucible main body, a stirring mechanism is arranged in the graphite crucible main body, the stirring mechanism comprises an anti-overflow disc positioned at the top of the graphite crucible main body, the bottom of the anti-overflow disc is fixedly connected with a positioning pin and a limiting strip, and the limiting strip is fixedly connected with the bottom of the anti-overflow disc. The positioning pins and the limiting strips are integrally formed, a positioning groove and a limiting groove are formed in the upper end face of the graphite crucible body, and the positioning groove and the limiting groove are integrally formed. Through the arranged stirring mechanism, a heated object can be stirred, local overheating or low local temperature of the heated object caused by non-uniform heating of the crucible is avoided, the heated object can be heated more uniformly, and splashing of upper-layer solid or bumping or splashing of liquid caused by expansion of an object at the bottom of the crucible due to non-uniform heating is avoided; and residual heating objects in the crucible can be scraped off when the crucible is cleaned in the later period, so that an operator can clean the crucible more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to graphite crucible technical field, concretely relates to a cylindrical high heat efficiency graphite crucible. BACKGROUND

[0002] Graphite crucible has good thermal conductivity and high temperature resistance, and has small thermal expansion coefficient in high temperature use process, has certain strain resistance to sudden heating and sudden cooling. It has strong corrosion resistance to acid and alkaline solution, has excellent chemical stability, is widely used in smelting of alloy tool steel and melting of non-ferrous metal and its alloy in metallurgical, casting, mechanical and chemical industry departments, and has good technical and economic effect.

[0003] Through the search, the application number CN202323071404.3 discloses a graphite crucible, which is square, includes a crucible body and a crucible cover connected with the top opening of the crucible body in an embedded manner, and the straight angles and straight lines of the rectangular basic shape are connected by tangent lines of symmetrical circular arcs, so that the heat distribution in the crucible is uniform during use, and local heat concentration is avoided.

[0004] However, there are still some deficiencies, for example, most of the graphite crucibles are directly heated by placing materials inside the crucible during use. When the solid or liquid in the graphite crucible is heated, the bottom is heated more and the temperature rises faster, while the temperature above is lower. In this case, when the solid is heated, the bottom of the solid will expand or melt, thereby causing splashing. When the liquid is heated, local overheating will cause violent boiling or splashing. TECHNICAL CONTENT

[0005] The utility model aims at providing a cylindrical high heat efficiency graphite crucible to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cylindrical high heat efficiency graphite crucible, including graphite crucible main part, the inside of graphite crucible main part is provided with stirring mechanism, the stirring mechanism includes the anti -overflow tray at the top of graphite crucible main part, the bottom of anti -overflow tray is fixedly connected with the positioning pin and the limiting strip, the positioning pin and the limiting strip are integrally formed, the upper end surface of graphite crucible main part is provided with the positioning groove and the limiting groove, the positioning groove and the limiting groove are integrally formed, the positioning pin is matched with the positioning groove, the limiting strip is matched with the limiting groove, the center inside of anti -overflow tray is provided with axle hole, the inside of axle hole is rotatably connected with the central shaft, the top of central shaft is fixedly connected with the drive piece, the outer wall of central shaft is fixedly connected with first stirring rod, the bottom of central shaft is fixedly connected with scraper, the outer wall of scraper is fixedly connected with second stirring rod, the shape of scraper is U type, the outside of scraper is in contact with the inner wall of graphite crucible main part.

[0007] As a preferred implementation, the number of the first stirring rods is two, and the number of the second stirring rods is four.

[0008] As a preferred implementation, the positioning pins are inserted into the positioning slots, and the limiting strips are inserted into the limiting slots, the number of the positioning pins and the positioning slots is two, and the number of the limiting strips and the limiting slots is eight.

[0009] As a preferred implementation, the bottom of the anti-overflow plate is fixedly connected with a sealing pipe, and the sealing pipe is located between the two limiting strips.

[0010] As a preferred implementation, the bottom of the graphite crucible body is fixedly connected with a heat-conducting cone body, and a tapered slot is formed in the heat-conducting cone body.

[0011] As a preferred implementation, the graphite crucible body is internally provided with an accommodating slot, and the accommodating slot is communicated with the tapered slot.

[0012] Compared with the prior art, the cylinder-shaped high-thermal-efficiency graphite crucible has the beneficial effects that:

[0013] The cylinder-shaped high-thermal-efficiency graphite crucible can stir the heated object, avoid uneven heating of the crucible to cause local overheating or local low temperature of the heated object, make the heated object be heated more uniformly, avoid uneven heating to cause the upper layer of solid to splash or cause the liquid to violently boil or splash, and scrape the residual heated object in the crucible when the crucible is cleaned in the later period, so that the operator can clean the crucible more conveniently.

[0014] The cylinder-shaped high-thermal-efficiency graphite crucible can accelerate the heat conduction speed of the whole crucible, the crucible is heated better by virtue of the tapered arc surface design, and the heating efficiency of the crucible is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the structure of the utility model;

[0016] Figure 2 It is a structure view of the stirring mechanism in the structure of the utility model;

[0017] Figure 3 It is a structure view of the anti-overflow plate in the utility model;

[0018] Figure 4 It is a structure view of the utility model Figure 1 It is an enlarged view of A in the structure of the utility model.

[0019] In the figure: 1, graphite crucible main body; 2, heat conduction cone; 3, stirring mechanism; 4, anti-overflow plate; 5, driving piece; 6, central shaft; 7, first stirring rod; 8, scraper; 9, second stirring rod; 10, positioning pin; 11, limiting strip; 12, positioning groove; 13, limiting groove; 14, sealing pipe. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with examples.

[0021] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a cylindrical high-thermal-efficiency graphite crucible, including graphite crucible main body 1, the inside of graphite crucible main body 1 is provided with stirring mechanism 3, the bottom of graphite crucible main body 1 is fixedly connected with heat conduction cone 2, the inside of heat conduction cone 2 is provided with conical groove, the inside of graphite crucible main body 1 is provided with accommodating groove, and accommodating groove is communicated with conical groove.

[0023] Stirring mechanism 3 includes anti-overflow plate 4 located at the top of graphite crucible main body 1, the bottom of anti-overflow plate 4 is fixedly connected with positioning pin 10 and limiting strip 11, positioning pin 10 and limiting strip 11 are integrally formed, the upper end surface of graphite crucible main body 1 is provided with positioning groove 12 and limiting groove 13, positioning groove 12 and limiting groove 13 are integrally formed, positioning pin 10 is matched with positioning groove 12, limiting strip 11 is matched with limiting groove 13, the central inside of anti-overflow plate 4 is provided with shaft hole, the inside of shaft hole is rotatably connected with central shaft 6, the top of central shaft 6 is fixedly connected with driving piece 5, the outer wall of central shaft 6 is fixedly connected with first stirring rod 7, the bottom of central shaft 6 is fixedly connected with scraper 8, the outer wall of scraper 8 is fixedly connected with second stirring rod 9, the shape of scraper 8 is U-shaped, the outer side of scraper 8 is in contact with the inner wall of graphite crucible main body 1, the number of first stirring rod 7 is two, the number of second stirring rod 9 is four, first stirring rod 7 and second stirring rod 9 are separated by a distance, positioning pin 10 is inserted in the inside of positioning groove 12, limiting strip 11 is inserted in the inside of limiting groove 13, the number of positioning pin 10 and positioning groove 12 is two, and the number of limiting strip 11 and limiting groove 13 is eight.

[0024] Specifically, first stirring rod 7 and second stirring rod 9 form stirring height difference, so that the stirring effect of the object is better.

[0025] As Figure 3 Indicated, the bottom of anti-overflow plate 4 is fixedly connected with sealing pipe 14, and sealing pipe 14 is located between two limiting strips 11.

[0026] Specifically, the sealing tube 14 can be inserted into the inner wall of the graphite crucible body 1 to enhance the sealing effect of the overflow plate 4 and improve the anti-overflow effect.

[0027] The working principle and use process of the utility model are as follows: first

[0028] In use, the stirring mechanism 3 has two functions, one is to stir the object to make the object evenly heated, and the other is to clean the crucible to avoid the residues of the heated object adhering to the inner wall of the crucible, which is more convenient for the operator to clean the crucible. When stirring, the overflow plate 4 can be butted together with the graphite crucible body 1, and the limiting strip 11 at the bottom of the overflow plate 4 and the positioning groove 12 will be inserted into the positioning groove 12 and the limiting groove 13 inside the graphite crucible body 1 respectively when the graphite crucible body 1 is butted with the overflow plate 4, to position and limit the rotation of the overflow plate 4 when the central shaft 6 rotates. The rotating drive 5 can drive the central shaft 6 to rotate, which will drive the first stirring rod 7, the scraper 8 and the second stirring rod 9 to rotate. When the first stirring rod 7, the scraper 8 and the second stirring rod 9 rotate, they will stir the heated object inside the graphite crucible body 1, so that the object inside the graphite crucible body 1 can be evenly heated. When cleaning the crucible later, the scraper 8 will scrape off the heated object remaining on the inner wall of the graphite crucible body 1, and cooperate with the cleaning agent to clean. When the stirring mechanism 3 is not in use, it can be taken out from the inside of the graphite crucible body 1, so that the graphite crucible body 1 can be stored separately.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cylindrical high-thermal-efficiency graphite crucible comprising a graphite crucible body (1), characterized in that: The inside of the graphite crucible body (1) is provided with a stirring mechanism (3), the stirring mechanism (3) comprises an anti-overflow plate (4) located at the top of the graphite crucible body (1), the bottom of the anti-overflow plate (4) is fixedly connected with a positioning pin (10) and a limiting strip (11), the positioning pin (10) and the limiting strip (11) are integrally formed, the upper end surface of the graphite crucible body (1) is provided with a positioning groove (12) and a limiting groove (13), the positioning groove (12) and the limiting groove (13) are integrally formed, the positioning pin (10) is matched with the positioning groove (12), and the limiting strip (11) is matched with the limiting groove (13), a shaft hole is formed in the center of the anti-overflow plate (4), a central shaft (6) is rotatably connected in the shaft hole, the top of the central shaft (6) is fixedly connected with a driving piece (5), the outer wall of the central shaft (6) is fixedly connected with a first stirring rod (7), the bottom of the central shaft (6) is fixedly connected with a scraping rod (8), the outer wall of the scraping rod (8) is fixedly connected with a second stirring rod (9), the scraping rod (8) is in a U-shaped form, and the outer side of the scraping rod (8) is in contact with the inner wall of the graphite crucible body (1).

2. A cylindrical high-heat-efficiency graphite crucible according to claim 1, characterized in that: The number of the first stirring rod (7) is two, the number of the second stirring rod (9) is four, and the first stirring rod (7) is separated from the second stirring rod (9) by a distance.

3. The cylindrical high-heat-efficiency graphite crucible according to claim 1, characterized by: The positioning pin (10) is inserted into the positioning groove (12), the limiting strip (11) is inserted into the limiting groove (13), the number of the positioning pin (10) and the positioning groove (12) is two, and the number of the limiting strip (11) and the limiting groove (13) is eight.

4. A cylindrical high-heat-efficiency graphite crucible according to claim 3, characterized in that: The bottom of the anti-overflow plate (4) is fixedly connected with a sealing pipe (14), and the sealing pipe (14) is located between the two limiting strips (11).

5. The cylindrical high-heat-efficiency graphite crucible according to claim 1, characterized by: The bottom of the graphite crucible body (1) is fixedly connected with a heat-conducting cone body (2), and a conical groove is formed in the inside of the heat-conducting cone body (2).

6. A cylindrical high-heat-efficiency graphite crucible according to claim 5, characterized in that: The inside of the graphite crucible body (1) is provided with a containing groove, and the containing groove is communicated with the conical groove.

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