A storage device for silicon nitride powder processing

Abstract

This utility model discloses a storage device for silicon nitride powder processing, including a base with two support plates fixedly mounted on its upper surface. A storage cylinder is positioned above the base, with sealing caps at both ends. Inside the storage cylinder, a hollow sphere is mounted via a fixed rod. Two stirring shafts extending to the outside of the hollow sphere are rotatably mounted inside the sphere, and multiple stirring rods are fixedly mounted on the stirring shafts. A drive shaft extending to the outside of the storage cylinder is also rotatably mounted inside the hollow sphere. In this utility model, the rotation of the storage cylinder causes the powder inside to tumble as a whole, eliminating the stirring dead zones of traditional static storage devices. The stirring rods simultaneously penetrate in multiple directions to break up agglomerates. Compared to existing static devices that rely solely on internal stirring components, this device offers a wider stirring coverage and higher uniformity.

Description

Technical Field

[0001] This utility model relates to the field of silicon nitride powder storage technology, and in particular to a storage device for silicon nitride powder processing. Background Technology

[0002] Silicon nitride powder processing: Silicon nitride is an important structural ceramic material and a superhard substance. Due to its lubricity, wear resistance, atomic crystal structure, oxidation resistance at high temperatures, and resistance to thermal shock, it is often used to manufacture mechanical components such as bearings, turbine blades, mechanical seal rings, and permanent molds. Before use, silicon nitride needs to be ground into powder for easier subsequent processing, and after being ground into powder, it needs to be stored.

[0003] Existing storage devices are mostly static, with only a simple stirring component inside. The stirring component is only activated to stir the powder when it is necessary to prevent powder from clumping. However, this single stirring method cannot move the powder inside the storage cylinder as a whole. It can only act on a local area around the stirring component, which can easily lead to stirring dead zones. As a result, the powder agglomerates cannot be completely broken up, and the stirring uniformity is poor. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a storage device for silicon nitride powder processing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A storage device for silicon nitride powder processing includes a base, two support plates fixedly mounted on the upper surface of the base, a storage cylinder above the base, and sealing caps at both ends of the storage cylinder. A hollow sphere is mounted inside the storage cylinder via a fixed rod. Two stirring shafts extending to the outside of the hollow sphere are rotatably mounted inside the hollow sphere, and multiple stirring rods are fixedly mounted on the stirring shafts. A drive shaft extending to the outside of the storage cylinder is rotatably mounted inside the hollow sphere and rotatably connected to one of the support plates. A fixed shaft is fixedly mounted on one of the support plates and connected to the drive shaft via a rotating mechanism. Both stirring shafts are connected to the drive shaft via a transmission mechanism. A power mechanism connected to the storage cylinder is mounted on the other support plate.

[0007] Preferably, the rotating mechanism includes a first gear fixedly mounted on a fixed shaft, and a second gear meshing with the first gear is fixedly mounted on the transmission shaft.

[0008] Preferably, the transmission mechanism includes a third gear fixedly mounted on the transmission shaft, and a fourth gear meshing with the third gear is fixedly mounted on the stirring shaft.

[0009] Preferably, the power mechanism includes a servo motor disposed on the side of another support plate, the servo motor being connected to the other support plate via a fixing frame, and the output shaft of the servo motor being fixedly connected to the storage cylinder.

[0010] Preferably, both the third gear and the fourth gear are bevel gears, and the meshing method between the third gear and the fourth gear is perpendicular meshing.

[0011] Preferably, the sealing cover is provided with a support groove corresponding to the stirring shaft, and the inner wall of the support groove is polished.

[0012] The beneficial effects of this utility model are:

[0013] 1. The rotation of the storage cylinder causes the powder inside to tumble as a whole, eliminating the stirring dead zones of traditional static storage devices. The stirring rods simultaneously penetrate in multiple directions to break up agglomerates. Compared with existing static devices that rely solely on internal stirring components, the stirring coverage is wider and the uniformity is higher.

[0014] 2. When the storage tank rotates, it is equipped with a transmission component to achieve synchronous rotation of the stirring shaft and stirring rod. There is no need to set up a separate power unit, which can control the equipment manufacturing cost and ensure the linkage and practicality of the equipment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a storage device for silicon nitride powder processing according to the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the right-side view structure;

[0017] Figure 3 for Figure 1 A schematic diagram of the vertical section structure;

[0018] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A;

[0019] Figure 5 for Figure 3 Enlarged schematic diagram of the structure at point B.

[0020] In the diagram: 1. Base, 2. Support plate, 3. Storage cylinder, 4. Sealing cover, 5. Servo motor, 6. Fixing frame, 7. First gear, 8. Second gear, 9. Fixing rod, 10. Stirring shaft, 11. Stirring rod, 12. Support groove, 13. Hollow sphere, 14. Transmission shaft, 15. Third gear, 16. Fourth gear, 17. Fixing shaft. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1-5 A storage device for silicon nitride powder processing includes a base 1, two support plates 2 fixedly mounted on the upper surface of the base 1, a storage cylinder 3 mounted above the base 1, and sealing caps 4 at both ends of the storage cylinder 3. The sealing caps 4 can be easily disassembled and reassembled with the storage cylinder 3 in any of the prior art methods. The specific connection method can be selected by those skilled in the art.

[0023] The storage cylinder 3 has a hollow sphere 13 inside, which is fixed by a fixing rod 9. Two stirring shafts 10 are rotatably mounted inside the hollow sphere 13 and extend to the outside of the hollow sphere 13. Multiple stirring rods 11 are fixed on the stirring shafts 10. A drive shaft 14 is rotatably mounted inside the hollow sphere 13 and extends to the outside of the storage cylinder 3. The drive shaft 14 is rotatably connected to one of the support plates 2. A fixing shaft 17 is fixed on one of the support plates 2 and is connected to the drive shaft 14 through a rotating mechanism. Both stirring shafts 10 are connected to the drive shaft 14 through a transmission mechanism. A power mechanism connected to the storage cylinder 3 is mounted on the other support plate 2.

[0024] The rotating mechanism includes a first gear 7 fixedly mounted on a fixed shaft 17, and a second gear 8 fixedly mounted on a transmission shaft 14, meshing with the first gear 7. The third gear 15 and the fourth gear 16 are both bevel gears, and their meshing is perpendicular. The transmission mechanism includes a third gear 15 fixedly mounted on a transmission shaft 14, and a fourth gear 16 fixedly mounted on a stirring shaft 10, meshing with the third gear 15.

[0025] The first gear 7, the second gear 8, the third gear 15 and the fourth gear 16 are used together to realize power transmission. The storage cylinder 3 and other components can rotate after the servo motor 5 is started, so that under the action of the fixed shaft 17 and the first gear 7, the rotation and stirring operation of the stirring shaft 10 and the stirring rod 11 can be realized.

[0026] The power mechanism includes a servo motor 5 mounted on the side of another support plate 2. The servo motor 5 is connected to the other support plate 2 via a fixing bracket 6, and the output shaft of the servo motor 5 is fixedly connected to the storage cylinder 3. The aforementioned servo motor 5 is a power unit that can directly drive the storage cylinder 3 to rotate after startup.

[0027] The sealing cover 4 is provided with a support groove 12 corresponding to the stirring shaft 10, and the inner wall of the support groove 12 is polished. With this design, when the sealing cover 4 is installed on the storage cylinder 3, the end of the stirring shaft 10 is exactly in the support groove 12, which can prevent the stirring shaft 10 from swinging and ensure its stability.

[0028] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0029] When using this invention, the servo motor 5 is started, and the output shaft of the servo motor 5 is directly and fixedly connected to the storage cylinder 3, driving the storage cylinder 3 to rotate. Figure 1 or Figure 2 (From a viewing angle, rotating clockwise or counterclockwise). At this time, the silicon nitride powder inside the storage cylinder 3 tumbles with the cylinder body. When the storage cylinder 3 rotates, the first gear 7 and the second gear 8 fixed on the fixed shaft 17 mesh with each other. Since the first gear 7 is fixed, the second gear 8 can drive the transmission shaft 14 to rotate. The rotational power of the transmission shaft 14 is transmitted to the fourth gear 16 through the third gear 15, which drives the two stirring shafts 10 to rotate synchronously. The multiple stirring rods 11 fixed on the stirring shaft 10 rotate with the stirring shaft 10 to stir the powder in the storage cylinder 3, ensuring the powder stirring effect and avoiding agglomeration.

[0030] After completing the above operations, ensure that one end of the storage cylinder 3 is vertically downward. Open the sealing cap 4 at that end and remove the powder from the storage cylinder 3. When adding powder, keep the lower sealing cap 4 sealed in this position, open the upper sealing cap 4 to add the material, and then reseal the upper sealing cap 4. If necessary, a negative pressure pump and a suction pipe can be installed on the sealing cap 4. The suction pipe passes through the sealing cap 4 and enters the storage cylinder 3 to perform a suction operation (choose whether to use this method based on the actual situation).

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A storage device for silicon nitride powder processing, comprising a base (1), characterized in that, Two support plates (2) are fixedly provided on the upper surface of the base (1). A storage cylinder (3) is provided above the base (1). Both ends of the storage cylinder (3) are provided with sealing caps (4). A hollow sphere (13) is provided inside the storage cylinder (3) through a fixed rod (9). Two stirring shafts (10) extending to the outside of the hollow sphere (13) are rotatably provided inside the hollow sphere (13). Multiple stirring rods (11) are fixedly provided on the stirring shafts (10). A transmission shaft (14) extending to the outside of the storage cylinder (3) is rotatably provided inside the hollow sphere (13). The transmission shaft (14) is rotatably connected to one of the support plates (2). A fixed shaft (17) is fixedly provided on one of the support plates (2). The fixed shaft (17) is connected to the transmission shaft (14) through a rotating mechanism. Both stirring shafts (10) are connected to the transmission shaft (14) through a transmission mechanism. A power mechanism connected to the storage cylinder (3) is provided on the other support plate (2).

2. The storage device for silicon nitride powder processing according to claim 1, characterized in that, The rotating mechanism includes a first gear (7) fixedly mounted on a fixed shaft (17), and a second gear (8) fixedly mounted on the transmission shaft (14) meshing with the first gear (7).

3. The storage device for silicon nitride powder processing according to claim 2, characterized in that, The transmission mechanism includes a third gear (15) fixedly mounted on the transmission shaft (14), and a fourth gear (16) fixedly mounted on the stirring shaft (10) meshing with the third gear (15).

4. The storage device for silicon nitride powder processing according to claim 3, characterized in that, The power mechanism includes a servo motor (5) located on the side of another support plate (2). The servo motor (5) is connected to the other support plate (2) via a fixing frame (6). The output shaft of the servo motor (5) is fixedly connected to the storage cylinder (3).

5. A storage device for silicon nitride powder processing according to claim 4, characterized in that, Both the third gear (15) and the fourth gear (16) are bevel gears, and the meshing method of the third gear (15) and the fourth gear (16) is vertical meshing.

6. A storage device for silicon nitride powder processing according to claim 5, characterized in that, The sealing cover (4) is provided with a support groove (12) corresponding to the stirring shaft (10), and the inner wall of the support groove (12) is polished.

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