Material dispersing device for preparing aluminum nitride powder

Abstract

The utility model relates to the technical field of aluminum nitride powder preparation, and discloses a material dispersing device for aluminum nitride powder preparation, which comprises a bottom plate, support plates are fixedly mounted at two ends of the top of the bottom plate, through holes are formed in the side surfaces of the top ends of the two support plates, third bearings are fixedly mounted in the two through holes, and the third bearings are fixedly mounted in the third bearings. A rotatable hollow ball is arranged between the top ends of the two supporting plates, a first rotating shaft and a second rotating shaft are fixedly installed on the left side and the right side of the ball respectively, the first rotating shaft and the second rotating shaft penetrate through and are fixedly connected between the inner ring walls of the two third bearings in an inserted mode respectively, and an inserting opening is formed in the first rotating shaft. A first stirring rod and a second stirring rod on a second rotating rod can be driven to disperse and stir materials in a sphere more uniformly through the operation of a second motor, and the sphere can be driven to rotate between the two supporting plates through the operation of a first motor, so that the materials can be fully dispersed and stirred.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum nitride powder preparation, in particular to a material dispersing device for aluminum nitride powder preparation. Background Art

[0002] Aluminum nitride material has excellent physical properties. It not only has high thermal conductivity and insulation resistance, but also has a thermal expansion coefficient that matches that of silicon and a low dielectric constant. Compared with other similar materials, aluminum nitride is non-toxic and safer to use. Therefore, the application field of aluminum nitride material is very wide. The powder preparation and synthesis of aluminum nitride mainly include direct nitridation method, carbon thermal reduction method, self-propagating high-temperature synthesis method, chemical vapor deposition method, plasma method and Al2O3 powder carbon thermal reduction method, among which a mixed powder of aluminum oxide powder and carbon powder undergoes a reduction nitridation reaction in flowing nitrogen at high temperature to generate AlN powder. When mixing the materials for preparing aluminum nitride powder, the common stirring device cannot fully mix the aluminum oxide powder and the carbon powder evenly, and part of the material is prone to accumulation at the bottom of the stirring device. In this way, the material accumulated at the bottom of the device cannot be fully dispersed and mixed. For this reason, the present application proposes a material dispersion device for preparing aluminum nitride powder. Utility Model Content

[0003] In order to solve the problems raised in the above background technology, the utility model provides the following technical solutions: a material dispersing device for preparing aluminum nitride powder, comprising a bottom plate, support plates are fixedly installed at both ends of the top of the bottom plate, through openings are opened on the side surfaces of the tops of the two support plates, third bearings are fixedly installed in the two through openings, a rotatable hollow sphere is arranged between the tops of the two support plates, a first rotating shaft and a second rotating shaft are fixedly installed on the left and right sides of the sphere, the first rotating shaft and the second rotating shaft respectively penetrate and are fixedly inserted between the inner ring walls of the two third bearings, and A socket is provided in the first rotating shaft, and a socket connected to the socket is provided on the left side of the sphere. An L-shaped fixing rod is movable and inserted through the socket and the socket. The vertical portion of the fixing rod extends into the sphere, and one end of the horizontal portion of the fixing rod faces downward. A second rotating rod is rotatably inserted in the vertical portion of the fixing rod, and a first stirring rod is fixedly installed at the bottom end of the second rotating rod, and a second stirring rod is fixedly installed at the bottom end of the second rotating rod and below the first stirring rod. A supporting rod is fixedly installed on the top of the bottom plate, and the top end of the supporting rod is fixedly connected to an end of the fixing rod located outside the sphere.

[0004] Preferably, an inner groove is opened at the corner of the fixing rod, a first channel connected to the inner groove is opened in the vertical part of the fixing rod, and a second channel connected to the inner groove is opened in the horizontal part of the fixing rod. A second motor is fixedly installed on one end of the fixing rod located outside the sphere, and a first rotating rod that passes through the first channel and extends to the inner groove is fixedly installed on the output end of the second motor. A first bevel gear is fixedly installed on one end of the first rotating rod located in the inner groove, the second rotating rod is rotatably inserted in the second channel, and the top end of the second rotating rod extends into the inner groove, and a second bevel gear is fixedly installed on the top end of the second rotating rod, and the side wall of the second bevel gear is meshingly connected with the side wall of the first bevel gear.

[0005] Preferably, a connecting shaft is fixedly mounted on one end of the second rotating shaft away from the sphere, a first motor is fixedly mounted on the side of the right support plate, and a transmission assembly is arranged between the output end of the first motor and the connecting shaft.

[0006] Preferably, the inner wall of the first channel is provided with two first annular grooves, in which the first bearings are fixedly installed, the first rotating rod passes through the two first bearings and is fixedly connected to the inner ring walls of the two first bearings, and the inner wall of the second channel is provided with two second annular grooves, in which the second bearings are fixedly installed, the second rotating rod passes through the two second bearings and is fixedly connected to the inner ring walls of the two second bearings.

[0007] Preferably, the second stirring rod is configured to be in an arc shape, and the bottom of the second stirring rod is in contact with the inner wall of the sphere.

[0008] Preferably, a feed port connected to its inner cavity is fixedly installed on the top of the sphere, and a sealing plug is inserted into the inner thread of the feed port. The end of the sealing plug located inside the feed port and the end of the feed port connected to the sphere are both set to the same curvature as the arc surface of the inner wall of the sphere.

[0009] Preferably, the transmission assembly includes two pulleys and a belt, the two pulleys are fixedly mounted on the output end of the first motor and the connecting shaft respectively, and the belt transmission is sleeved between the two pulleys.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The operation of the second motor can drive the first stirring rod and the second stirring rod on the second rotating rod to disperse and stir the material in the sphere more evenly, and the operation of the first motor can drive the sphere to rotate between the two support plates, so that some material will not accumulate at the bottom of the sphere, thereby enabling the material to be fully dispersed and stirred. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a partial section of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the connection between the ball and the fixing rod of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the first rotating rod and the second rotating rod connected to each other in the utility model;

[0017] In the figure: 1. bottom plate; 2. support plate; 3. sphere; 4. third bearing; 5. first rotating shaft; 6. second rotating shaft; 7. first motor; 8. connecting shaft; 9. transmission assembly; 10. feed inlet; 11. sealing plug; 12. fixing rod; 13. inner groove; 14. second motor; 15. first rotating rod; 16. first bearing; 17. first bevel gear; 18. second rotating rod; 19. second bearing; 20. second bevel gear; 21. first stirring rod; 22. second stirring rod; 23. support rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Depend on Figure 1-4The utility model comprises a bottom plate 1, support plates 2 are fixedly installed at both ends of the top of the bottom plate 1, through openings are opened on the sides of the tops of the two support plates 2, third bearings 4 are fixedly installed in the two through openings, a rotatable hollow sphere 3 is arranged between the tops of the two support plates 2, a first rotating shaft 5 and a second rotating shaft 6 are fixedly installed on the left and right sides of the sphere 3, the first rotating shaft 5 and the second rotating shaft 6 respectively penetrate and are fixedly inserted between the inner ring walls of the two third bearings 4, a socket is opened in the first rotating shaft 5, a socket connected to the socket is opened on the left side of the sphere 3, and the socket and the socket are movable and An L-shaped fixing rod 12 is inserted through it, the vertical part of the fixing rod 12 extends into the sphere 3, and one end of the horizontal part of the fixing rod 12 faces downward, and a second rotating rod 18 is rotatably inserted in the vertical part of the fixing rod 12, and a first stirring rod 21 is fixedly installed at the bottom end of the second rotating rod 18, and a second stirring rod 22 is fixedly installed at the bottom end of the second rotating rod 18 and below the first stirring rod 21, and a support rod 23 is fixedly installed on the top of the bottom plate 1, and the top end of the support rod 23 is fixedly connected to one end of the fixing rod 12 located outside the sphere 3, and the support rod 23 can play a role in fixing the position of the fixing rod 12.

[0020] An inner groove 13 is provided in the corner of the fixed rod 12, a first channel connected to the inner groove 13 is provided in the vertical portion of the fixed rod 12, a second channel connected to the inner groove 13 is provided in the horizontal portion of the fixed rod 12, a second motor 14 is fixedly installed at one end of the fixed rod 12 located outside the sphere 3, a first rotating rod 15 that penetrates the first channel and extends to the inner groove 13 is fixedly installed at the output end of the second motor 14, a first bevel gear 17 is fixedly installed at one end of the first rotating rod 15 located in the inner groove 13, a second rotating rod 18 is rotatably inserted in the second channel, and the top end of the second rotating rod 18 extends into the inner groove 13, and a The second bevel gear 20, and the side wall of the second bevel gear 20 is meshed and connected with the side wall of the first bevel gear 17. By running the second motor 14, it drives the first rotating rod 15 to rotate, and the first bevel gear 17 at one end of the first rotating rod 15 drives the second bevel gear 20 meshed and connected therewith to rotate, so that the second rotating rod 18 can drive the first stirring rod 21 and the second stirring rod 22 to rotate and stir the material in the sphere 3. At this time, the operation of the first motor 7 can drive the second rotating shaft 6 to rotate through the transmission assembly 9, thereby driving the sphere 3 to rotate between the two support plates 2, and then the material inside the sphere 3 will keep turning over when the sphere 3 rotates.

[0021] At the same time, a connecting shaft 8 is fixedly installed at one end of the second rotating shaft 6 away from the sphere 3, and a first motor 7 is fixedly installed on the side of the right support plate 2. A transmission assembly 9 is arranged between the output end of the first motor 7 and the connecting shaft 8. The power generated by the first motor 7 can be transmitted to the connecting shaft 8 through the transmission assembly 9, thereby driving the connecting shaft 8 and the second rotating shaft 6 to rotate, and then driving the sphere 3 to rotate.

[0022] In addition, two first annular grooves are provided on the inner wall of the first channel, and first bearings 16 are fixedly installed in the two first annular grooves. The first rotating rod 15 passes through the two first bearings 16 and is fixedly connected to the inner ring walls of the two first bearings 16. Two second annular grooves are provided on the inner wall of the second channel, and second bearings 19 are fixedly installed in the two second annular grooves. The second rotating rod 18 passes through the two second bearings 19 and is fixedly connected to the inner ring walls of the two second bearings 19. The first rotating rod 15 can be fixed in the first channel in the vertical part of the fixed rod 12 through the first bearings 16, and the second rotating rod 18 can be fixed in the second channel in the horizontal part of the fixed rod 12 through the second bearings 19.

[0023] Furthermore, the second stirring rod 22 is configured to be in an arc shape, and the bottom of the second stirring rod 22 is in contact with the inner wall of the sphere 3 , so that the second stirring rod 22 can disperse and stir the materials accumulated at the bottom of the sphere 3 when rotating.

[0024] In addition, a feed port 10 connected to its inner cavity is fixedly installed on the top of the sphere 3, and a sealing plug 11 is inserted into the inner thread of the feed port 10. The end of the sealing plug 11 located inside the feed port 10 and the end of the feed port 10 connected to the sphere 3 are both set to have the same curvature as the arc surface of the inner wall of the sphere 3, so as to prevent the feed port 10 and the sealing plug 11 from affecting the normal rotation and stirring of the second stirring rod 22.

[0025] In addition, the transmission assembly 9 includes two pulleys and a belt. The two pulleys are fixedly mounted on the output end of the first motor 7 and the connecting shaft 8 respectively, and the belt transmission is sleeved between the two pulleys.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material dispersing device for preparing aluminum nitride powder, comprising a bottom plate (1), characterized in that: Support plates (2) are fixedly installed at both ends of the top of the bottom plate (1), through openings are opened on the side surfaces of the top ends of the two support plates (2), and third bearings (4) are fixedly installed in the two through openings. A rotatable hollow sphere (3) is arranged between the top ends of the two support plates (2), and a first rotating shaft (5) and a second rotating shaft (6) are fixedly installed on the left and right sides of the sphere (3), respectively. The first rotating shaft (5) and the second rotating shaft (6) respectively penetrate and are fixedly inserted between the inner ring walls of the two third bearings (4), a socket is opened in the first rotating shaft (5), and a socket connected to the socket is opened on the left side of the sphere (3), and the socket and the socket are connected to each other. An L-shaped fixing rod (12) is movable and inserted through the hole, the vertical portion of the fixing rod (12) extends into the sphere (3), and one end of the horizontal portion of the fixing rod (12) faces downward. A second rotating rod (18) is rotatably inserted in the vertical portion of the fixing rod (12), a first stirring rod (21) is fixedly installed at the bottom end of the second rotating rod (18), and a second stirring rod (22) is fixedly installed at the bottom end of the second rotating rod (18) and below the first stirring rod (21). A supporting rod (23) is fixedly installed at the top of the bottom plate (1), and the top end of the supporting rod (23) is fixedly connected to one end of the fixing rod (12) located outside the sphere (3).

2. The material dispersing device for preparing aluminum nitride powder according to claim 1, characterized in that: An inner groove (13) is provided at a corner of the fixed rod (12), a first channel connected to the inner groove (13) is provided in the vertical portion of the fixed rod (12), and a second channel connected to the inner groove (13) is provided in the horizontal portion of the fixed rod (12); a second motor (14) is fixedly installed at one end of the fixed rod (12) located outside the sphere (3); a first rotating rod (15) penetrating the first channel and extending to the inner groove (13) is fixedly installed at the output end of the second motor (14); a first bevel gear (17) is fixedly installed at one end of the first rotating rod (15) located in the inner groove (13); the second rotating rod (18) is rotatably inserted in the second channel, and the top end of the second rotating rod (18) extends into the inner groove (13); a second bevel gear (20) is fixedly installed at the top end of the second rotating rod (18), and the side wall of the second bevel gear (20) is meshingly connected with the side wall of the first bevel gear (17).

3. The material dispersing device for preparing aluminum nitride powder according to claim 2, characterized in that: A connecting shaft (8) is fixedly mounted on the end of the second rotating shaft (6) away from the sphere (3), a first motor (7) is fixedly mounted on the side of the right support plate (2), and a transmission assembly (9) is arranged between the output end of the first motor (7) and the connecting shaft (8).

4. The material dispersing device for preparing aluminum nitride powder according to claim 3, characterized in that: The inner wall of the first channel is provided with two first annular grooves, in which first bearings (16) are fixedly installed, the first rotating rod (15) passes through the two first bearings (16) and is fixedly connected to the inner ring walls of the two first bearings (16), the inner wall of the second channel is provided with two second annular grooves, in which second bearings (19) are fixedly installed, the second rotating rod (18) passes through the two second bearings (19) and is fixedly connected to the inner ring walls of the two second bearings (19).

5. The material dispersing device for preparing aluminum nitride powder according to claim 1, characterized in that: The second stirring rod (22) is configured to be in an arc shape, and the bottom of the second stirring rod (22) is in contact with the inner wall of the sphere (3).

6. The material dispersing device for preparing aluminum nitride powder according to claim 1, characterized in that: A feed port (10) connected to the inner cavity of the sphere (3) is fixedly mounted on the top of the sphere (3), and a sealing plug (11) is inserted into the inner thread of the feed port (10). The end of the sealing plug (11) located inside the feed port (10) and the end of the feed port (10) connected to the sphere (3) are both arranged to have the same curvature as the inner wall of the sphere (3).

7. The material dispersing device for preparing aluminum nitride powder according to claim 3, characterized in that: The transmission assembly (9) comprises two pulleys and a belt. The two pulleys are fixedly mounted on the output end of the first motor (7) and the connecting shaft (8) respectively, and the belt transmission sleeve is connected between the two pulleys.

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