Uniformly heated graphite crucible

By incorporating support, gas supply, heat control, and rotation adjustment mechanisms, the problem of uneven heating in graphite crucibles has been solved, enabling flexible control of heating temperature and uniform heating, thereby improving smelting efficiency and product quality, and extending service life.

CN223856113UActive Publication Date: 2026-01-30JINING GOLDEN OCEAN NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520345262.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-30
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Traditional graphite crucibles are heated unevenly during the heating process, resulting in low melting efficiency, unstable product quality and shortened service life. Furthermore, existing technologies cannot flexibly adjust the heating temperature.

Method used

It employs a support mechanism, an air supply mechanism, a heat control mechanism, and a rotation adjustment mechanism to achieve uniform heating by controlling the flame size and crucible rotation. The heating temperature and rotation speed are adjusted by combining a motor and gear transmission system.

Benefits of technology

It enables flexible control of heating temperature and uniform heating, improving smelting efficiency, product quality and crucible lifespan, and meeting the high-efficiency and high-quality production needs of modern industry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a uniformly heated graphite crucible, which belongs to the technical field of graphite crucible production equipment, and comprises a pot body, a supporting mechanism, an air supply mechanism, a heat control mechanism and a rotation adjusting mechanism, the supporting mechanism comprises an upper layer plate and a supporting assembly, the supporting assembly is connected with the upper layer plate, and the pot body is rotatably arranged on the upper layer plate; the gas supply mechanism comprises a gas tank and a combustion assembly, the gas tank is connected with the supporting assembly, the combustion assembly is connected with the gas tank, the combustion assembly is installed below the upper layer plate, the heat control mechanism comprises a first motor, a second motor, a blocking assembly and a heat adjusting assembly, the first motor is connected with the blocking assembly, the blocking assembly is connected with the combustion assembly, and the heat adjusting assembly is connected with the second motor. The heat adjusting assembly is connected with the combustion assembly; the rotation adjusting mechanism comprises a third motor and a rotating assembly, the third motor is connected with the rotating assembly, the rotating assembly is connected with the pot body, the upper layer plate is connected with the rotating assembly, and the electric heating pot achieves control over the size of heating flames, so that different heating temperatures are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to graphite crucible production equipment technical field especially discloses a graphite crucible that evenness is heated. BACKGROUND

[0002] Graphite crucible is a kind of container that is widely used in high-temperature smelting and chemical reaction, and it is widely used in metal smelting, casting, chemical industry and other fields due to its excellent high-temperature resistance, chemical stability and good thermal conductivity.The traditional graphite crucible has high temperature resistance in the use process, but uneven heating problem often leads to low smelting efficiency, unstable product quality and material waste during the heating process.

[0003] Even heating is one of the key properties of graphite crucible in the smelting process, and its importance is reflected in the following aspects.

[0004] 1: can improve smelting efficiency: when the crucible is evenly heated, the temperature of the material in the smelting process can be accelerated, the smelting time is shortened, and the production efficiency is improved.2: can guarantee product quality: uneven heating may lead to incomplete melting or local overheating, which affects the physical and chemical properties of the final product, therefore, even heating helps to improve the quality and consistency of the product.3: can prolong the service life: uneven heating will increase the local thermal stress of the crucible, and then cause thermal shock and cracks, reduce the service life of the crucible. Even heating can effectively alleviate this problem.

[0005] With the increasing demand for efficient and high-quality production in metallurgy, casting and chemical industry, the market demand for even-heated graphite crucible is also growing. However, the manufacture of high-performance graphite crucible still faces some challenges.

[0006] 1: cost control: high-performance materials and complex manufacturing processes may lead to cost increase, how to control cost while ensuring performance is an important challenge.

[0007] 2: material supply: there are still some technical barriers in the acquisition and processing technology of high-quality graphite materials.

[0008] 3: technical update: with the continuous emergence of new technologies and new materials, enterprises need to continuously update technology to maintain market competitiveness.

[0009] In summary, even-heated graphite crucible has important application value in modern industry, with the progress of material science and manufacturing technology, future graphite crucible will pay more attention to performance optimization and cost control to meet the needs of various industries.

[0010] The patent with the publication number CN213932036U discloses a graphite crucible with uniform heating, and the technical scheme of the patent is: the graphite crucible with uniform heating comprises a crucible outer wall and a pot cover, the crucible outer wall is connected with a crucible inner liner, and the side surfaces of the two are connected with a gap filled with graphite; the pot cover is arranged at the upper end of the crucible inner liner, the upper surface of the pot cover is provided with exhaust holes, the exhaust holes are arranged in five groups, and four groups of exhaust holes are arranged in an axisymmetric manner along the center line of the pot cover; the center part of the pot cover is penetrated and connected with a first fixing rod, the lower end of the first fixing rod is connected with a motor structure, and the bottom end of the crucible outer wall and the crucible inner liner is connected with a heat dissipation structure; different raw materials require different heating temperatures, but the patent cannot adjust the heating temperature, so the limitation is relatively large, and the graphite crucible with uniform heating is invented for the defect. Content of the utility model

[0011] In view of the above technical problems, the technical scheme adopted by the utility model is: a graphite crucible with uniform heating, comprising a pot body, a supporting mechanism, a gas feeding mechanism, a heat control mechanism and a rotary adjusting mechanism, the supporting mechanism comprises an upper layer plate and a supporting assembly, the supporting assembly is connected with the upper layer plate, the pot body is rotatably installed on the upper layer plate, the gas feeding mechanism comprises a gas tank and a combustion assembly, the gas tank is connected with the supporting assembly, the combustion assembly is connected with the gas tank, and the combustion assembly is installed below the upper layer plate.

[0012] The heat control mechanism comprises a motor support, a second motor, a blocking assembly and a heat adjusting assembly, the motor support is connected with the blocking assembly, the blocking assembly is connected with the combustion assembly, the second motor is connected with the heat adjusting assembly, and the heat adjusting assembly is connected with the combustion assembly; the rotary adjusting mechanism comprises a third motor and a rotating assembly, the third motor is connected with the rotating assembly, the rotating assembly is connected with the pot body, and the upper layer plate is connected with the rotating assembly.

[0013] Further, four first mounting holes are arranged on the upper layer plate, the supporting assembly comprises three supporting columns, the three supporting columns are fixedly installed on the inner walls of the three first mounting holes and have a vertical axial direction, an intermediate plate is fixedly installed on the side surface of the upper layer plate, and the gas tank is fixedly installed on the side surface of the intermediate plate.

[0014] Further, the gas feeding mechanism further comprises a lower layer plate, the lower layer plate is fixedly installed on the supporting columns and located below the upper layer plate, the combustion assembly comprises a gas feeding pipe, the gas feeding pipe is communicated with the gas tank, the gas feeding pipe is installed on the intermediate plate, a combustion bin is fixedly installed on the lower layer plate, a cover is fixedly installed on the upper part of the combustion bin, a second mounting hole is arranged on the outer surface of the combustion bin, the gas feeding pipe is fixedly installed on the inner wall of the second mounting hole, the combustion bin is communicated with the gas feeding pipe, the combustion bin is coaxial with the pot body, and the combustion bin is located below the pot body.

[0015] Furthermore, the blocking assembly includes a first motor, which is fixedly mounted on the lower plate. A motor bracket is fixedly mounted on the first motor. A rotating rod is fixedly mounted on the output end of the motor bracket. A pressure block is fixedly mounted on the lower side of the rotating rod. The pressure block has a semi-circular cross-section and its radius is larger than the outer wall radius of the air supply pipe. The air supply pipe is a flexible hose. The first motor is located between the combustion chamber and the intermediate plate.

[0016] Furthermore, the cover is provided with a flame-blowing hole, which is coaxial with the pot body. A spark plug is installed inside the combustion chamber. A second motor is also fixedly installed on the lower plate. The heat regulation component includes a control board, which is fixedly installed at the output end of the second motor. The control board is slidably connected to the cover, and the width of the control board is greater than the diameter of the flame-blowing hole.

[0017] Furthermore, the rotation adjustment mechanism also includes a transmission shaft, which is rotatably mounted on the inner wall of a first mounting hole. The rotation assembly includes an intermediate shaft, which is fixedly mounted on the lower part of the transmission shaft. A lower shaft is rotatably mounted on the lower part of the intermediate shaft, and the lower shaft is fixedly mounted on the lower plate.

[0018] Furthermore, a sprocket one is fixedly installed at the output end of the third motor, and a sprocket two is fixedly installed on the outer surface of the intermediate shaft. Sprocket one and sprocket two are connected by a sprocket. A first gear is fixedly installed on the outer surface of the transmission shaft. The first gear is rotatably mounted on the upper plate. A second gear is installed on the outer surface of the pot body. The second gear meshes with the first gear. A retaining ring is also fixedly installed on the outer surface of the pot body. The outer diameter of the retaining ring is larger than the outer diameter of the pot body. The retaining ring is coaxial with the pot body. The outer diameter of the retaining ring is smaller than the pitch circle diameter of the second gear.

[0019] Furthermore, a rectangular protrusion is provided on the lower side of the retaining ring, and a rectangular sliding groove is provided at the installation location of the second gear and the pot body. The rectangular sliding groove of the second gear and the rectangular protrusion of the retaining ring are identical in shape and size, and the rectangular protrusion of the retaining ring and the rectangular sliding groove of the second gear are slidably connected.

[0020] The advantages of this invention compared with the prior art are: (1) This invention achieves control over the size of the heating flame, thereby achieving different heating temperatures; (2) This invention rotates the crucible during heating, thereby achieving uniform heating. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the support mechanism structure of this utility model.

[0023] Figure 3 for Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0024] Figure 4The utility model discloses a gas feeding mechanism structure schematic view.

[0025] Figure 5 For Figure 4 The local amplification structure schematic view of B in the middle.

[0026] Figure 6 For Figure 4 The local amplification structure schematic view of C in the middle.

[0027] Figure 7 The utility model discloses a rotary adjusting mechanism structure schematic view.

[0028] Figure 8 The utility model discloses a pot and upper layer board connection schematic view.

[0029] Figure 9 For Figure 8 The local amplification structure schematic view of D in the middle.

[0030] Reference Signs: 1-pot body;2-supporting mechanism;3-gas feeding mechanism;4-heat control mechanism;5-rotary adjusting mechanism;201-upper layer board;202-supporting column;203-intermediate plate;204-first mounting hole;301-gas tank;302-gas feeding pipe;303-burning bin;304-closure;305-second mounting hole;306-lower layer board;401-first motor;402-motor support;403-rotating rod;404-pressing block;405-second motor;406-control board;407-flame hole;501-third motor;502-sprocket;503-intermediate shaft;504-transmission shaft;505-lower shaft;506-first gear;507-second gear;508-stop ring. DETAILED DESCRIPTION

[0031] The technical scheme of the utility model will be further explained below by combining and through specific embodiments.

[0032] Among them, the drawing is only used for example explanation, and the representation is only schematic diagram, and not physical picture, and can not be understood as the limitation of this patent;In order to better explain the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented;For those skilled in the art, it is understandable that some well-known structures in the drawing and its description can be omitted.

[0033] As the drawing Figure 1 As the drawing Figure 7As shown, the support mechanism 2 comprises an upper layer plate 201 and three support columns 202, the pot body 1 is rotatably installed on the upper layer plate 201, the upper layer plate 201 is provided with four first mounting holes 204, the three support columns 202 are respectively fixedly installed on the inner walls of the three first mounting holes 204 and the axial direction is vertical, the upper layer plate 201 is fixedly installed with an intermediate plate 203 on the side, and the gas tank 301 is fixedly installed on the side of the intermediate plate 203.

[0034] As shown in the accompanying drawings Figure 2 As shown in the accompanying drawings Figure 8 As shown, the gas feeding mechanism 3 comprises a gas tank 301, a gas feeding pipe 302 and a lower layer plate 306, the lower layer plate 306 is fixedly installed on the support column 202 and located below the upper layer plate 201, the gas feeding pipe 302 is in communication with the gas tank 301, the gas feeding pipe 302 is installed on the intermediate plate 203, the lower layer plate 306 is fixedly installed with a combustion chamber 303, the combustion chamber 303 is fixedly installed with a cover 304 on the upper part, the combustion chamber 303 is provided with a second mounting hole 305 on the outer surface, the gas feeding pipe 302 is fixedly installed on the inner wall of the second mounting hole 305, the combustion chamber 303 is in communication with the gas feeding pipe 302, the combustion chamber 303 is coaxial with the pot body 1, the combustion chamber 303 is located below the pot body 1, the intermediate plate 203 is fixedly installed with a gas pump on the side, the gas pump is connected with the gas tank 301, the intermediate plate 203 is fixedly installed with a control switch two on the side, the control switch two is electrically connected with the gas pump, and the gas tank 301 is internally provided with combustion gas.

[0035] As shown in the accompanying drawings Figure 3 As shown in the accompanying drawings Figure 8 As shown, the heat control mechanism 4 comprises a first motor 401, a motor support 402, a second motor 405 and a control board 406, the first motor 401 is fixedly installed on the lower layer plate 306, the motor support 402 is fixedly installed on the first motor 401, the motor support 402 is fixedly installed with a rotating rod 403 on the output end, the rotating rod 403 is fixedly installed with a pressing block 404 on the lower side, the pressing block 404 is semicircular in cross section, the radius of the pressing block 404 is greater than the outer wall radius of the gas feeding pipe 302, the gas feeding pipe 302 is a flexible pipe, the first motor 401 is located between the combustion chamber 303 and the intermediate plate 203, the cover 304 is provided with a fire hole 407, the fire hole 407 is coaxial with the pot body 1, the combustion chamber 303 is internally provided with a spark plug, the lower layer plate 306 is further fixedly installed with the second motor 405, the control board 406 is fixedly installed on the output end of the second motor 405, the control board 406 is in sliding connection with the cover 304, the width of the control board 406 is greater than the diameter of the fire hole 407, the control switch two is installed on the lower layer plate 306 and is electrically connected with the spark plug.

[0036] As shown in the accompanying drawings Figure 4 As shown in the accompanying drawings Figure 9As shown, the rotation adjusting mechanism 5 comprises a third motor 501, an intermediate shaft 503 and a transmission shaft 504, the transmission shaft 504 is rotationally installed on the inner wall of a first mounting hole 204, the intermediate shaft 503 is fixedly installed on the lower part of the transmission shaft 504, the lower part of the intermediate shaft 503 is rotationally installed with a lower shaft 505, and the lower shaft 505 is fixedly installed on the lower layer plate 306; the output end of the third motor 501 is fixedly installed with a chain wheel one, the outer surface of the intermediate shaft 503 is fixedly installed with a chain wheel two, the chain wheel one and the chain wheel two are connected through a chain wheel 502, the outer surface of the transmission shaft 504 is fixedly installed with a first gear 506, the first gear 506 is rotationally installed on the upper layer plate 201, the outer surface of the pot body 1 is installed with a second gear 507, the second gear 507 is engaged with the first gear 506, the outer surface of the pot body 1 is further fixedly installed with a blocking ring 508, the outer wall diameter of the blocking ring 508 is larger than the outer wall diameter of the pot body 1, the blocking ring 508 is coaxial with the pot body 1, and the outer wall diameter of the blocking ring 508 is smaller than the diameter of the graduation circle of the second gear 507; the lower side of the blocking ring 508 is provided with a rectangular protrusion, the installation position of the second gear 507 and the pot body 1 is provided with a rectangular sliding groove, the shape and size of the rectangular sliding groove of the second gear 507 and the rectangular protrusion of the blocking ring 508 are consistent, and the rectangular protrusion of the blocking ring 508 and the rectangular sliding groove of the second gear 507 are in sliding connection.

[0037] The working principle of the utility model is as follows.

[0038] (I) before work, the pot body 1 is slid into the rectangular sliding groove of the second gear 507 through the rectangular protrusion of the blocking ring 508, thereby completing the connection of the second gear 507 and the pot body 1, then the raw materials to be heated are put into the pot body 1, and then the control switch one is pressed, the combustion gas in the gas tank 301 is sent into the combustion bin 303 through the gas sending pipe 302 by the air pump, then the control switch two is pressed, the spark plug is started through the control switch two, and the combustion gas in the combustion bin 303 is ignited by the spark generated by the spark plug.

[0039] (II) the second motor 405 is started, the second motor 405 drives the control panel 406 to rotate, the area exposed by the control panel 406 is controlled to rotate, thereby adjusting the size of the flame sprayed through the flame spraying hole 407, and the flame sprayed through the flame spraying hole 407 heats the pot body 1.

[0040] (Three) at the same time, the third motor 501 starts, the third motor 501 drives the intermediate shaft 503 to rotate through the chain wheel 502, the intermediate shaft 503 drives the first gear 506 to rotate through the transmission shaft 504, the first gear 506 drives the pot body 1 to rotate through the second gear 507, thereby completing uniform heating, when the heating is finished, the third motor 501 stops working, thereby making the pot body 1 stop rotating, the second motor 405 reversely rotates to bring the control panel 406 back to the original position, thereby completing the closing of the fire hole 407, then pressing the control switch one, thereby stopping the delivery of the combustion gas to the combustion chamber 303, the motor support 402 starts, rotates the rotating rod 403 through the motor support 402, the rotating rod 403 presses the gas pipe 302 through the pressing block 404, thereby preventing gas leakage.

[0041] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. The scope of the present application is defined by the appended claims rather than by the description preceding them, and therefore all changes coming within the meaning and range of equivalency of the claims are intended to be embraced therein. No feature of the application should be deemed critical or essential to the application unless the claim explicitly states otherwise.

Claims

1. A graphite crucible which is uniformly heated, comprising a pot body (1), characterized in that: The graphite crucible uniformly heated also includes a supporting mechanism (2), a gas feeding mechanism (3), a heat control mechanism (4) and a rotating adjusting mechanism (5), the supporting mechanism (2) includes an upper layer plate (201) and a supporting assembly, the supporting assembly is connected with the upper layer plate (201), the pot body (1) is rotatably installed on the upper layer plate (201), the gas feeding mechanism (3) includes a gas tank (301) and a combustion assembly, the gas tank (301) is connected with the supporting assembly, the combustion assembly is connected with the gas tank (301), and the combustion assembly is installed below the upper layer plate (201); the heat control mechanism (4) includes a motor support (402), a second motor (405), a blocking assembly and a heat adjusting assembly, the motor support (402) is connected with the blocking assembly, the blocking assembly is connected with the combustion assembly, the second motor (405) is connected with the heat adjusting assembly, and the heat adjusting assembly is connected with the combustion assembly; the rotating adjusting mechanism (5) includes a third motor (501) and a rotating assembly, the third motor (501) is connected with the rotating assembly, the rotating assembly is connected with the pot body (1), and the upper layer plate (201) is connected with the rotating assembly.

2. The graphite crucible which is uniformly heated according to claim 1, wherein: The upper layer plate (201) is provided with four first mounting holes (204), the supporting assembly includes three supporting columns (202), the three supporting columns (202) are fixedly installed on the inner walls of the three first mounting holes (204) and have a vertical direction as the axis direction, and the upper layer plate (201) is fixedly installed with an intermediate plate (203) on the side surface.

3. The graphite crucible which is uniformly heated according to claim 2, wherein: The gas feeding mechanism (3) further includes a lower layer plate (306), the lower layer plate (306) is fixedly installed on the supporting column (202) and located below the upper layer plate (201), the combustion assembly includes a gas feeding pipe (302), the gas feeding pipe (302) is communicated with the gas tank (301), the gas feeding pipe (302) is installed on the intermediate plate (203), the lower layer plate (306) is fixedly installed with a combustion bin (303), the combustion bin (303) is fixedly installed with a cover (304) on the upper portion, the combustion bin (303) is provided with a second mounting hole (305) on the outer surface, the gas feeding pipe (302) is fixedly installed on the inner wall of the second mounting hole (305), the combustion bin (303) is communicated with the gas feeding pipe (302), the combustion bin (303) is coaxial with the pot body (1), and the combustion bin (303) is located below the pot body (1).

4. The graphite crucible which is uniformly heated according to claim 3, wherein: The blocking assembly includes a first motor (401), the first motor (401) is fixedly installed on the lower layer plate (306), the motor support (402) is fixedly installed on the first motor (401), the motor support (402) is fixedly installed with a rotating rod (403) at the output end, the rotating rod (403) is fixedly installed with a pressing block (404) on the lower side, the pressing block (404) has a semicircular cross section, the radius of the pressing block (404) is greater than that of the outer wall of the gas feeding pipe (302), the gas feeding pipe (302) is a flexible pipe, and the first motor (401) is located between the combustion bin (303) and the intermediate plate (203).

5. The graphite crucible of uniform heating according to claim 3, wherein: The cover (304) is provided with a fire hole (407) coaxial with the pot body (1), the combustion chamber (303) is provided with a spark plug, the lower plate (306) is further provided with a second motor (405), the heat adjusting assembly comprises a control panel (406) fixedly installed at the output end of the second motor (405), the control panel (406) is in sliding connection with the cover (304), and the control panel (406) is wider than the diameter of the fire hole (407).

6. The graphite crucible of uniform heating according to claim 2, wherein: The rotating adjusting mechanism (5) further comprises a transmission shaft (504) rotatably installed on the inner wall of the first mounting hole (204), the rotating assembly comprises an intermediate shaft (503) fixedly installed at the lower portion of the transmission shaft (504), the lower portion of the intermediate shaft (503) is rotatably provided with a lower shaft (505), and the lower shaft (505) is fixedly installed on the lower plate (306).

7. The graphite crucible of uniform heating according to claim 6, wherein: The third motor (501) is fixedly provided with a chain wheel one at the output end, the intermediate shaft (503) is fixedly provided with a chain wheel two on the outer surface, the chain wheel one and the chain wheel two are connected through a chain wheel (502), the transmission shaft (504) is fixedly provided with a first gear (506) on the outer surface, the first gear (506) is rotatably installed on the upper plate (201), the pot body (1) is provided with a second gear (507), the second gear (507) is in meshing connection with the first gear (506), the pot body (1) is further provided with a blocking ring (508), the outer wall diameter of the blocking ring (508) is greater than the outer wall diameter of the pot body (1), the blocking ring (508) is coaxial with the pot body (1), and the outer wall diameter of the blocking ring (508) is smaller than the diameter of the index circle of the second gear (507).

8. The graphite crucible that is uniformly heated according to claim 7, wherein: The blocking ring (508) is provided with a rectangular protrusion on the lower side, the second gear (507) is provided with a rectangular sliding groove at the installation position of the pot body (1), the rectangular sliding groove of the second gear (507) and the rectangular protrusion of the blocking ring (508) are consistent in shape and size, and the rectangular protrusion of the blocking ring (508) is in sliding connection with the rectangular sliding groove of the second gear (507).

Citation Information

Patent Citations

  • Uniformly heated graphite crucible

    CN213932036U