Atomization enhancing device for metal powder manufacturing

Abstract

The utility model relates to the field of metal powder production equipment, and discloses an atomization enhancing device for metal powder manufacturing, which comprises a collecting tank, a support is fixedly connected to the bottom of the collecting tank, a gas bin is fixedly connected to the top of the collecting tank, a crucible is fixedly connected to the top of the gas bin, and a heat preservation cover is mounted at the top of the crucible. A filtering assembly is mounted on one side of the collecting tank, and a clamping assembly is mounted on one side of the crucible; the bottom of the crucible is fixedly connected with a discharge pipe, the discharge pipe is located in the gas bin, and one side of the gas bin is fixedly connected with a gas inlet pipe. According to the utility model, the multi-stage guide plates are arranged in the gas bin, and the heating coil is arranged at the bottom of the crucible, so that high-pressure gas can be uniformly distributed, the temperature of molten metal can be accurately controlled, and the atomization efficiency and the fineness and uniformity of powder particles are obviously improved. And the atomization stability of molten metal liquid flow is enhanced through the dynamic air flow adjusting function of the air inlet pipe.

Description

Technical Field

[0001] This utility model relates to the field of metal powder production equipment, and in particular to an atomization enhancement device for metal powder manufacturing. Background Technology

[0002] Metal powders are widely used in powder metallurgy, 3D printing, surface treatment, catalysts and electronics industry. Their manufacturing methods mainly include atomization, rotating electrode method, chemical reduction method, electrolysis method and mechanical crushing method. Different methods are suitable for the preparation of metal powders with different properties and uses.

[0003] Atomization is a widely used technique for preparing metal powders. It involves using high-pressure gas or liquid to impact liquid metal, breaking it into fine particles, which are then rapidly cooled and solidified to form powder. Depending on the medium used, atomization can be divided into two main methods: gas atomization and water atomization. Gas atomization typically produces powders with high sphericity and low oxygen content, suitable for applications requiring high quality. Water atomization, due to its rapid cooling rate, can produce even finer particles, but may result in irregularly shaped powders with higher oxygen content.

[0004] However, when using atomization to manufacture metal powder, molten metal may condense at the nozzle after prolonged operation, causing nozzle blockage and affecting the continuity and efficiency of production. After the liquid metal is sprayed out, it needs to be cooled with inert gas, which increases production costs. Therefore, an atomization enhancement device for metal powder manufacturing is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an atomization enhancement device for metal powder manufacturing, aiming to improve the problem of nozzle clogging and high production costs in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A device for enhancing atomization in the manufacture of metal powder includes a collection tank, a support fixedly connected to the bottom of the collection tank, a gas chamber fixedly connected to the top of the collection tank, a crucible fixedly connected to the top of the gas chamber, a heat-insulating cover installed on the top of the crucible, a filter assembly installed on one side of the collection tank, and a snap-fit ​​assembly installed on one side of the crucible.

[0008] The bottom of the crucible is fixedly connected to a discharge pipe, which is located inside the gas chamber. An air inlet pipe is fixedly connected to one side of the gas chamber. Multiple guide plates are fixedly connected inside the gas chamber. A heating coil is provided at the bottom of the crucible.

[0009] As a further description of the above technical solution:

[0010] The filtration assembly includes a filter canister, which is fixedly connected to one side of the collection tank. A pipe is fixedly connected between the filter canister and the collection tank. An air pump is fixedly connected to one side of the collection tank. A pipe is fixedly connected between the air pump and the filter canister. A pipe is fixedly connected between the collection tank and the air pump. A sealing cap is snapped onto the top of the filter canister.

[0011] As a further description of the above technical solution:

[0012] A hinge is fixedly connected to one side of the crucible, and the heat-insulating cover is fixedly connected to the other side of the hinge;

[0013] As a further description of the above technical solution:

[0014] The snap-fit ​​assembly includes a fixed shell, which is fixedly connected to one side of the crucible. A fixed block is fixedly connected to one side of the heat preservation cover. A round rod is fixedly connected inside the fixed shell. Two paddles are slidably connected to the outside of the round rod. A locking block is fixedly connected to the outside of each of the two paddles. The two locking blocks are snapped into the inside of the fixed block.

[0015] As a further description of the above technical solution:

[0016] A baffle is fixedly connected to the middle of the round rod, and two springs are sleeved on the outside of the round rod, with the two springs located between the baffle and the two levers.

[0017] As a further description of the above technical solution:

[0018] A second locking block is slidably connected to the inner side of the sealing cover. The second locking block is engaged with the top of the filter tank. A second spring is provided between the second locking block and the sealing cover.

[0019] As a further description of the above technical solution:

[0020] A connecting rod is fixedly connected to the top of the second card block, and a wedge block is fixedly connected to the other end of the connecting rod. A pressing block is slidably connected inside the sealing cover, and the bottom of the pressing block abuts against the wedge block.

[0021] As a further description of the above technical solution:

[0022] The bottom of the collection tank is fixedly connected to a discharge pipe, and a groove is opened on the inner side of the discharge pipe. A baffle plate is slidably connected inside the groove, and a ring is fixedly connected to one side of the baffle plate.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, by setting up multi-stage guide plates inside the gas chamber and a heating coil at the bottom of the crucible, the high-pressure gas can be evenly distributed and the temperature of the molten metal can be precisely controlled, significantly improving atomization efficiency and the fineness and uniformity of powder particles. The dynamic airflow adjustment function of the air inlet pipe enhances the atomization stability of the molten metal flow, while the mechanical linkage structure between the snap-fit ​​component and the heat preservation cover enables rapid sealing and opening operations, improving the safety and ease of operation of the equipment.

[0025] 2. In this utility model, the filter assembly uses an air pump to drive airflow circulation, reusing internal cooling gas to save costs. Combined with the multi-stage filtration function of the filter tank, it effectively intercepts dust particles generated during atomization, reducing environmental pollution while ensuring the purity of the powder in the collection tank. The sliding groove and baffle plate of the discharge pipe are linked, and the powder discharge amount can be flexibly controlled and dust leakage prevented by pulling out the ring. The mechanical linkage structure of the locking block, wedge block, and pressing block inside the sealing cover facilitates quick and easy replacement of the filter plate. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of an atomization enhancement device for manufacturing metal powder according to the present invention.

[0027] Figure 2 This is a schematic diagram of the structure of a guide plate for an atomization enhancement device for metal powder manufacturing proposed in this utility model;

[0028] Figure 3 This is a cross-sectional view of a snap-fit ​​assembly for an atomization enhancement device for metal powder manufacturing proposed in this utility model.

[0029] Figure 4 This is a cross-sectional view of the filter mechanism of an atomization enhancement device for metal powder manufacturing proposed in this utility model.

[0030] Figure 5 This is a schematic diagram of the baffle plate of an atomization enhancement device for metal powder manufacturing proposed in this utility model.

[0031] Legend:

[0032] 1. Collection tank; 2. Support; 3. Discharge pipe; 4. Crucible; 5. Insulation cover; 6. Gas chamber; 7. Filter tank; 8. Air pump; 9. Pipe; 10. Hinge; 11. Heating coil; 12. Inlet pipe; 13. Discharge pipe; 14. Guide plate; 15. Fixing block; 16. Fixing shell; 17. Round rod; 18. Paddle; 19. Locking block one; 20. Spring one; 21. Baffle; 22. Sealing cover; 23. Pressing block; 24. Locking block two; 25. Connecting rod; 26. Wedge block; 27. Spring two; 28. Baffle plate; 29. ​​Slide groove; 30. Ring. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 1 , Figure 2 and Figure 5 This utility model provides an embodiment of an atomization enhancement device for metal powder manufacturing, comprising a collection tank 1, which serves as the core container for powder collection and initial cooling. The top of the collection tank 1 is sealed to a gas chamber 6 via a flange, and the bottom is connected to an external conveying system via a discharge pipe 3. A support 2 is fixedly connected to the bottom of the collection tank 1. The support 2 is welded from high-strength alloy steel to ensure the stability of the device under high temperature and high pressure conditions. The top of the collection tank 1 is fixedly connected to the gas chamber 6, which has an internal hollow cavity structure. A crucible 4 is fixedly connected to the top of the gas chamber 6, containing a molten metal. A heat-insulating cover 5 is installed on the top of the crucible 4 to prevent the temperature of the molten metal from dropping. A filter assembly is installed on one side of the collection tank 1, and a snap-fit ​​assembly is installed on one side of the crucible 4.

[0035] A discharge pipe 13 is fixedly connected to the bottom of the crucible 4. The discharge pipe 13 is located inside the gas chamber 6. An inlet pipe 12 is fixedly connected to one side of the gas chamber 6, which delivers high-pressure gas. Multiple guide plates 14 are fixedly connected inside the gas chamber 6. A heating coil 11 is installed at the bottom of the crucible 4 to increase the temperature of the crucible 4, ensuring the temperature of the molten metal is stable and avoiding local overheating that could affect processing. By arranging multiple levels of guide plates 14 in a spiral pattern inside the gas chamber 6, the airflow path is optimized to achieve uniform distribution of high-pressure gas, reduce eddies and dead zones, and thus improve the atomization efficiency of the molten metal flow. A discharge pipe 3 is fixedly connected to the bottom of the collection tank 1 to discharge the processed metal powder. A chute 29 is opened on the inner side of the discharge pipe 3, and a baffle plate 28 is slidably connected inside the chute 29 to support the baffle plate 28. A ring 30 is fixedly connected to one side of the baffle plate 28, and the baffle plate 28 is pulled out by the ring 30 on one side.

[0036] Reference Figure 1 and Figure 4The filter assembly includes a filter canister 7, which is fixedly connected to one side of the collection tank 1. A pipe 9 is fixedly connected between the filter canister 7 and the collection tank 1, connecting the filter canister 7 and the collection tank 1. An air pump 8 is fixedly connected to one side of the collection tank 1, and a pipe 9 is fixedly connected between the air pump 8 and the filter canister 7. The air pump 8 is also connected to the filter canister 7 via a pipe 9. A pipe 9 is fixedly connected between the collection tank 1 and the air pump 8. The filter canister 7 is connected in series with the collection tank 1 and the air pump 8 via the pipe 9, forming a closed-loop airflow circulation system. The air pump 8 draws out the cooling gas inside the collection tank 1 and then filters it with the filter canister 7, allowing the cooling gas to be recycled. A sealing cap 22 is snapped onto the top of the filter canister 7. The sealing cap 22 is made of double-layer stainless steel. A second locking block 24 is slidably connected to the inner side of the sealing cover 22. The second locking block 24 is locked onto the top of the filter tank 7. The second locking block 24 fixes the sealing cover 22 to the top of the filter tank 7. A second spring 27 is provided between the second locking block 24 and the sealing cover 22. The second spring 27 squeezes the second locking block 24 to prevent the second locking block 24 from moving. A connecting rod 25 is fixedly connected to the top of the second locking block 24, and a wedge block 26 is fixedly connected to the other end of the connecting rod 25. The second locking block 24 is connected to the wedge block 26 through the connecting rod 25. When the second locking block 24 moves, it will drive the wedge block 26 to move. A pressing block 23 is slidably connected inside the sealing cover 22. The bottom of the pressing block 23 abuts against the wedge block 26. When the pressing block 23 moves, it will squeeze the wedge block 26, causing the wedge block 23 to move outward. When the pressing block 23 is pressed by an external force, the bottom of the pressing block 23 squeezes the wedge block 26, which drives the second locking block 24 to move, disengaging from the retaining ring at the top of the filter tank 7, thus achieving quick opening and closing. This design not only ensures airtightness but also facilitates maintenance and replacement of the filter plates.

[0037] Reference Figures 1-3 A hinge 10 is fixedly connected to one side of the crucible 4, and a heat-insulating cover 5 is fixedly connected to the other side of the hinge 10. The heat-insulating cover 5 is installed using the hinge 10, allowing it to rotate on top of the crucible 4. The locking assembly includes a fixed shell 16, which is fixedly connected to one side of the crucible 4. A fixed block 15 is fixedly connected to one side of the heat-insulating cover 5. A round rod 17 is fixedly connected inside the fixed shell 16, and two paddles 18 are slidably connected to the outside of the round rod 17. The round rod 17 supports the movement of the two paddles 18, and a locking block 19 is fixedly connected to the outside of each of the two paddles 18. The locking block 19 is driven by the paddles 18, and the two locking blocks 19 are locked inside the fixed block 15. The locking assembly mainly consists of the fixed shell 16, paddles 18, locking blocks 19, and fixed block 15. During operation, rotating the paddles 18 drives the locking blocks 19 to insert into the slots of the fixed block 15, achieving mechanical locking. A baffle 21 is fixedly connected to the middle of the round rod 17. Two springs 20 are sleeved on the outside of the round rod 17. The two springs 20 are located between the baffle 21 and the two levers 18. The baffle 21 prevents the two springs 20 from moving. The two springs 20 press the levers 18 on both sides to allow the locking block 19 to reset.

[0038] Working principle: First, the processing gas is connected to the inlet pipe 12 via a pressurization device. The high-pressure gas is then delivered into the gas chamber 6 through the inlet pipe 12. Inside the gas chamber 6, the flow direction is changed by the guide plate 14, causing the airflow to spiral. When the gas is ejected from the bottom of the gas chamber 6, it atomizes the molten metal flowing out of the discharge pipe 13, processing the molten metal into fine particles. The spiral action of the guide plate 14 ensures more uniform and finer metal powder during processing, improving processing quality. Simultaneously, the heating coil 11 at the bottom of the crucible 4 heats the molten metal inside the crucible 4, preventing solidification inside the discharge pipe 13.

[0039] Secondly, a filter mechanism is provided on one side of the collection tank 1, which is connected to the filter tank 7 via an air pump 8. The filter tank 7 extracts the cooling gas from the inside of the collection tank 1, filters it through the filter plate inside the filter tank 7, and sends it back into the collection tank 1 through the pipe 9 from the other end of the air pump 8 to complete the filtration, allowing the cooling gas to be recycled. Press the pressing block 23 in the middle of the top sealing cover 22 of the filter tank 7, and use the pressing block 23 to squeeze the wedge block 26 at the bottom. The wedge block 26 moves to both sides, and through the connecting rod 25, it drives the second locking block 24 to move outward, so that the second locking block 24 separates from the top of the filter tank 7 and the sealing cover 22 can be opened. To close it, press down, and the second spring 27 will squeeze the second locking block 24, so that the second locking block 24 is fixed to the top of the filter tank 7 to complete the sealing and fixing.

[0040] When the heat preservation cover 5 on the top of the crucible 4 needs to be opened, press the two levers 18 inward. The levers 18 will drive the two side blocks 19 to move inward, allowing the blocks 19 to disengage from the fixed block 15. This will open the heat preservation cover 5, allowing the molten metal to be added. The heat preservation cover 5 will keep the molten metal inside the crucible 4 at a high temperature, preventing it from solidifying.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An atomization enhancement device for metal powder production, comprising a collection tank (1), characterized in that: The bottom of the collection tank (1) is fixedly connected to a bracket (2), the top of the collection tank (1) is fixedly connected to a gas chamber (6), the top of the gas chamber (6) is fixedly connected to a crucible (4), the top of the crucible (4) is equipped with a heat insulation cover (5), a filter assembly is installed on one side of the collection tank (1), and a snap-fit ​​assembly is installed on one side of the crucible (4). The bottom of the crucible (4) is fixedly connected to a discharge pipe (13), which is located inside the gas chamber (6). An air inlet pipe (12) is fixedly connected to one side of the gas chamber (6). Multiple guide plates (14) are fixedly connected inside the gas chamber (6). A heating coil (11) is provided at the bottom of the crucible (4).

2. The atomization enhancement device for metal powder manufacturing according to claim 1, characterized in that: The filter assembly includes a filter canister (7), which is fixedly connected to one side of the collection tank (1). A pipe (9) is fixedly connected between the filter canister (7) and the collection tank (1). An air pump (8) is fixedly connected to one side of the collection tank (1). A pipe (9) is fixedly connected between the air pump (8) and the filter canister (7). A pipe (9) is fixedly connected between the collection tank (1) and the air pump (8). A sealing cap (22) is snapped onto the top of the filter canister (7).

3. The atomization enhancement device for metal powder production of claim 1, wherein: A hinge (10) is fixedly connected to one side of the crucible (4), and the heat-insulating cover (5) is fixedly connected to the other side of the hinge (10).

4. The atomization enhancement device for metal powder production of claim 1, wherein: The snap-fit ​​assembly includes a fixed shell (16), which is fixedly connected to one side of the crucible (4). A fixed block (15) is fixedly connected to one side of the heat preservation cover (5). A round rod (17) is fixedly connected inside the fixed shell (16). Two paddles (18) are slidably connected to the outside of the round rod (17). A locking block (19) is fixedly connected to the outside of each of the two paddles (18). The two locking blocks (19) are snapped into the inside of the fixed block (15).

5. An atomization enhancement device for metal powder production according to claim 4, characterized in that: A baffle (21) is fixedly connected to the middle of the round rod (17), and two springs (20) are sleeved on the outside of the round rod (17). The two springs (20) are located between the baffle (21) and the two levers (18).

6. The atomization enhancement device for metal powder production of claim 2, wherein: The sealing cover (22) is slidably connected to a second locking block (24), which is engaged with the top of the filter tank (7). A second spring (27) is provided between the second locking block (24) and the sealing cover (22).

7. The atomization enhancement device for metal powder manufacturing according to claim 6, characterized in that: The top of the second card block (24) is fixedly connected to a connecting rod (25), and the other end of the connecting rod (25) is fixedly connected to a wedge block (26). The inside of the sealing cover (22) is slidably connected to a pressing block (23), and the bottom of the pressing block (23) abuts against the wedge block (26).

8. The atomization enhancement device for metal powder production of claim 1, wherein: The bottom of the collection tank (1) is fixedly connected to a discharge pipe (3), and a groove (29) is provided on the inner side of the discharge pipe (3). A baffle plate (28) is slidably connected inside the groove (29), and a ring (30) is fixedly connected to one side of the baffle plate (28).

Images