Metal powder centrifugal atomization machine for preparing tin powder

Abstract

The utility model relates to the technical field of tin powder production, in particular to a metal powder centrifugal atomizing machine for preparing tin powder, which comprises a centrifugal atomizing machine body and a cleaning component, a top cover is clamped on the top surface of the centrifugal atomizing machine body, a heat preservation tin furnace is fixedly arranged in the middle of the top cover, and the lower end of the heat preservation tin furnace is communicated with a rotary disc. A plurality of connecting assemblies are arranged at the upper end of the centrifugal atomization machine body, and the top cover is fixedly connected with the centrifugal atomization machine body through the connecting assemblies; the connecting assembly comprises a T-shaped rod, the T-shaped rod is fixedly connected with the top cover, the cleaning assembly comprises a mounting box, two servo motors are mounted in the mounting box, two supports are fixedly connected to the mounting box, and a connecting rod is fixedly connected to an output shaft of one servo motor. The top cover and the centrifugal atomization machine body are rapidly fixed and separated, the damage risk of parts is reduced, the scraper and the scraping plate synchronously move along with the connecting rod, residual metal powder on the inner wall of the centrifugal atomization machine body is removed through mechanical scraping, and the scraper and the scraping plate can be conveniently and independently detached and replaced when abraded.

Description

Technical Field

[0001] This utility model relates to the field of tin powder production technology, and in particular to a metal powder centrifugal atomizer for preparing tin powder. Background Technology

[0002] In the field of metal powder preparation, centrifugal atomization technology is widely used because it can efficiently produce metal powder with uniform particle size. Especially in the process of tin powder preparation, the stability, maintainability and ease of replacement of atomizing components of the equipment directly affect production efficiency and product quality.

[0003] A search revealed a Chinese patent with publication number CN203900493U, which provides a metal powder atomizer that utilizes ultrasonic waves to convert molten metal. This invention transforms static ultrasonic atomization into dynamic ultrasonic atomization. A motor drives the atomizing rod to rotate, causing the molten metal solution to initially flow and spread on the ultrasonic atomizing disc before undergoing further ultrasonic atomization. This process spreads the deposited layer on the atomized surface, increasing the effective area of ​​the ultrasonic waves. Simultaneously, it continuously changes the atomization point of the atomizer, which also extends the service life of the atomizer.

[0004] However, during use, it was found that the atomizing disc and the amplitude rod are fixedly connected. When replacing the atomizing disc, the amplitude rod and related sealing structure need to be completely disassembled. The operation is cumbersome and easily damages the parts. Cleaning tools such as scrapers are mostly fixed designs, making it difficult to flexibly replace local components according to the degree of wear, which increases maintenance costs. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a centrifugal atomizer for preparing tin powder, which enables rapid fixing and separation of the top cover from the centrifugal atomizer body. This avoids the cumbersome process of disassembling the amplitude rod and sealing structure in traditional fixed connection methods, reducing the risk of component damage. The scraper and scraper plate move synchronously with the connecting rod, mechanically scraping away the metal powder remaining on the inner wall of the centrifugal atomizer body. When the scraper and scraper plate wear out, they can be easily disassembled and replaced individually.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a centrifugal atomizer for preparing tin powder, comprising a centrifugal atomizer body and a cleaning assembly, wherein a top cover is snapped onto the top surface of the centrifugal atomizer body, a heat-preserving tin furnace is fixedly disposed in the middle of the top cover, a rotating disc is connected to the lower end of the heat-preserving tin furnace, and a plurality of connecting assemblies are provided on the upper end of the centrifugal atomizer body, wherein the top cover is fixedly connected to the centrifugal atomizer body through the connecting assemblies;

[0007] The connecting assembly includes a T-shaped rod, which is fixedly connected to the top cover;

[0008] The cleaning assembly includes a mounting box, inside which two servo motors are installed. Two brackets are fixedly connected to the mounting box. A connecting rod is fixedly connected to the output shaft of one of the servo motors. Scrapers are fixedly connected to both ends of the connecting rod. A scraper plate is engaged at the upper end of the scraper. The scraper and scraper plate slide against the inner wall of the centrifugal atomizer body.

[0009] Preferably, a tin tube is installed on the top surface of the centrifugal atomizer body, the output end of the tin tube is perpendicular to the upper middle part of the heat preservation tin furnace, the rotary disc is rotatably connected to the heat preservation tin furnace, and an observation window is provided on the front wall of the centrifugal atomizer body.

[0010] The above technical solution allows for real-time observation of the atomization and cleaning status inside the centrifugal atomizer through an observation window.

[0011] Preferably, a limiting groove is formed on the bottom surface of the rotary disc, a limiting post is inserted into the limiting groove, the output shaft of the servo motor near one end of the rotary disc passes through the mounting box, and the output shaft of the servo motor near one end of the rotary disc is fixedly connected to the limiting post.

[0012] With the above technical solution, the servo motor near the end of the rotary disc drives the limit post to rotate through the output shaft, thereby driving the rotary disc to rotate synchronously to complete the atomization operation, and at the same time facilitating the replacement of the rotary disc.

[0013] Preferably, a support block is fixedly provided on the upper end of the outer peripheral wall of the centrifugal atomizer body, and a locking block is rotatably connected to the upper end of the support block, the locking block engaging with the outer peripheral wall of the T-shaped rod.

[0014] Preferably, a fixing block is fixedly provided on the support block and the locking block respectively, and a spring is provided between the two fixing blocks, with both ends of the spring being fixedly connected to the fixing block respectively.

[0015] With the above technical solution, the T-shaped rod is snapped into the locking block at the upper end of the support block, and the support block and the fixing block on the locking block are connected by a spring. The spring force keeps the locking block in a snapped state on the T-shaped rod.

[0016] Preferably, the bracket is fixedly connected to the centrifugal atomizer body via a first threaded connector, and a first protective plate is fixedly provided on the bottom surface of the bracket, with a gap between the first protective plate and the first threaded connector.

[0017] Through the above technical solution, the bracket is fixed to the centrifugal atomizer body through the first threaded connector. The first protective plate on its bottom surface covers the first threaded connector and leaves a gap with the first threaded connector, which can prevent the metal powder splashed during the atomization process from directly contacting the threads and reduce the impact of powder accumulation on bracket disassembly.

[0018] Preferably, the upper end of the scraper is provided with a slot, the lower end of the scraper is provided with a snap-fit ​​end, the snap-fit ​​end is snap-fitted into the slot, and the snap-fit ​​end is fixedly connected to the upper end of the scraper through a second threaded connector.

[0019] With the above technical solution, the second threaded connector is located inside the arc-shaped protective plate, which not only ensures the connection strength but also prevents powder from directly contacting the threaded parts, maintaining the convenience of disassembly.

[0020] Preferably, an arc-shaped protective plate is fixed on the scraper, and an opening groove is formed at the lower end of the arc-shaped protective plate.

[0021] Preferably, the arc-shaped protective plate is inserted into the outer peripheral wall of the connecting rod through an opening groove, and the second threaded connector is located inside the arc-shaped protective plate.

[0022] With the above technical solution, the arc-shaped protective plate is sleeved on the outer periphery of the connecting rod through the lower opening groove. When the connecting rod rotates, the arc-shaped protective plate synchronously drives the scraper and scraper blade to slide along the inner wall of the centrifugal atomizer body to remove residual powder.

[0023] The beneficial effects of this utility model are:

[0024] The top surface of the centrifugal atomizer body is snapped onto the top cover via a connecting assembly. The insulated solder furnace in the middle of the top cover stores molten solder, which is centrifugally atomized via a rotating disc connected to the lower end. In the connecting assembly, the T-shaped rod fixedly connected to the top cover achieves quick fixation and separation of the top cover and the centrifugal atomizer body through a snap-fit ​​structure, avoiding the cumbersome process of disassembling the amplitude rod and sealing structure in traditional fixed connection methods, and reducing the risk of component damage. The servo motor in the mounting box drives the connecting rod connected to the output shaft to rotate. The scrapers and scraper plates at both ends of the connecting rod move synchronously with the connecting rod, and their edges slide into contact with the inner wall of the centrifugal atomizer body, removing residual metal powder from the inner wall of the centrifugal atomizer body through mechanical scraping. The scrapers and scraper plates are snap-fitted together, and when the scrapers and scraper plates are worn, they can be easily disassembled and replaced individually without replacing the entire cleaning assembly, reducing maintenance time and costs. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the centrifugal atomizer body of this utility model;

[0027] Figure 3 This is a bottom-view perspective view of the rotating disc structure of this utility model;

[0028] Figure 4 This is a schematic diagram of the T-shaped rod structure of this utility model;

[0029] Figure 5This is a schematic diagram of the card block structure of this utility model;

[0030] Figure 6 This is a bottom perspective view of the mounting box structure of this utility model;

[0031] Figure 7 This is a schematic diagram of the first protective plate structure of this utility model;

[0032] Figure 8 This is a schematic diagram of the scraper structure of this utility model.

[0033] In the diagram: 100, centrifugal atomizer body; 101, top cover; 102, insulated solder pot; 103, solder tube; 104, rotating disc; 105, limiting groove; 106, limiting post; 107, observation window;

[0034] 200. Connecting component; 201. T-shaped rod; 202. Support block; 203. Locking block; 204. Fixing block; 205. Spring;

[0035] 300. Cleaning component; 301. Mounting box; 302. Servo motor; 303. Bracket; 304. Arc-shaped protective plate; 305. Connecting rod; 306. Scraper; 307. Scraper blade; 308. First threaded connector; 309. First protective plate; 310. Slot; 311. Snap-fit ​​end; 312. Second threaded connector; 313. Opening slot. Detailed Implementation

[0036] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0037] Example 1: As Figure 1-5 As shown, this embodiment provides a metal powder centrifugal atomizer for preparing tin powder, including a centrifugal atomizer body 100 and a cleaning component 300. A top cover 101 is snapped onto the top surface of the centrifugal atomizer body 100. A heat-preserving tin furnace 102 is fixedly installed in the middle of the top cover 101. A rotating disc 104 is connected to the lower end of the heat-preserving tin furnace 102. A plurality of connecting components 200 are provided on the upper end of the centrifugal atomizer body 100. The top cover 101 is fixedly connected to the centrifugal atomizer body 100 through the connecting components 200.

[0038] The connecting assembly 200 includes a T-shaped rod 201, which is fixedly connected to the top cover 101;

[0039] The cleaning component 300 includes a mounting box 301, inside which two servo motors 302 are installed. Two brackets 303 are fixedly connected to the mounting box 301. A connecting rod 305 is fixedly connected to the output shaft of one of the servo motors 302. Scrapers 306 are fixedly connected to both ends of the connecting rod 305. A scraper 307 is snapped onto the upper end of the scraper 306. The scraper 306 and the scraper 307 slide against the inner wall of the centrifugal atomizer body 100.

[0040] A tin tube 103 is installed on the top surface of the centrifugal atomizer body 100. The output end of the tin tube 103 is perpendicular to the upper middle part of the heat preservation tin furnace 102. The rotary disc 104 is rotatably connected to the heat preservation tin furnace 102. An observation window 107 is opened on the front wall of the centrifugal atomizer body 100. The atomization and cleaning status inside the centrifugal atomizer body 100 can be observed in real time through the observation window 107.

[0041] A limiting groove 105 is provided on the bottom surface of the rotary disc 104, and a limiting post 106 is inserted into the limiting groove 105. The output shaft of the servo motor 302 near one end of the rotary disc 104 passes through the mounting box 301, and the output shaft of the servo motor 302 near one end of the rotary disc 104 is fixedly connected to the limiting post 106. The servo motor 302 near one end of the rotary disc 104 drives the limiting post 106 to rotate through the output shaft, thereby driving the rotary disc 104 to rotate synchronously to complete the atomization operation, and at the same time facilitating the replacement of the rotary disc 104.

[0042] A support block 202 is fixedly provided on the upper end of the outer peripheral wall of the centrifugal atomizer body 100. A locking block 203 is rotatably connected to the upper end of the support block 202. The locking block 203 is engaged with the outer peripheral wall of the T-shaped rod 201. Fixing blocks 204 are fixedly provided on the support block 202 and the locking block 203 respectively. A spring 205 is provided between the two fixing blocks 204. The two ends of the spring 205 are fixedly connected to the fixing blocks 204 respectively. The T-shaped rod 201 is locked in the locking block 203 at the upper end of the support block 202. The support block 202 and the fixing blocks 204 on the locking block 203 are connected by the spring 205. The elastic force of the spring 205 keeps the locking block 203 locked to the T-shaped rod 201.

[0043] Working principle: The top surface of the centrifugal atomizer body 100 is snapped onto the top cover 101 via the connecting component 200. The heat preservation tin furnace 102 in the middle of the top cover 101 is used to store molten tin. The molten tin is centrifuged and atomized through the rotating disc 104 connected at the lower end. In the connecting component 200, the T-shaped rod 201 fixedly connected to the top cover 101 achieves quick fixation and separation of the top cover 101 and the centrifugal atomizer body 100 through the snap-fit ​​structure, avoiding the cumbersome process of disassembling the amplitude rod and sealing structure in the traditional fixed connection method, and reducing the risk of component damage.

[0044] In the cleaning component 300, the servo motor 302 inside the mounting box 301 drives the connecting rod 305 connected to the output shaft to rotate. The scrapers 306 and scraper plates 307 at both ends of the connecting rod 305 move synchronously with the connecting rod 305. Their edges slide into contact with the inner wall of the centrifugal atomizer body 100, removing the metal powder remaining on the inner wall of the centrifugal atomizer body 100 through mechanical scraping. The scrapers 306 and scraper plates 307 are engaged by a snap-fit, so when the scrapers 306 and scraper plates 307 are worn, they can be easily disassembled and replaced separately without replacing the entire cleaning component 300, reducing maintenance time and costs.

[0045] The rotary disc 104 is rotatably connected to the heat preservation tin furnace 102. The limiting groove 105 on its bottom surface is inserted into the limiting post 106. The servo motor 302 near one end of the rotary disc 104 drives the limiting post 106 to rotate through the output shaft, thereby driving the rotary disc 104 to rotate synchronously to complete the atomization operation. At the same time, it is convenient to replace the rotary disc 104. The atomization and cleaning status inside the centrifugal atomizer body 100 can be observed in real time through the observation window 107.

[0046] The T-shaped rod 201 is engaged in the locking block 203 at the upper end of the support block 202. The support block 202 and the fixing block 204 on the locking block 203 are connected by a spring 205. The elastic force of the spring 205 keeps the locking block 203 in a locked state with the T-shaped rod 201. When the top cover 101 needs to be removed, the locking block 203 can be rotated to compress the spring 205 to release the engagement and achieve quick separation of the top cover 101.

[0047] Example 2: Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 and Figure 8 As shown, based on Embodiment 1, the bracket 303 is fixedly connected to the centrifugal atomizer body 100 through the first threaded connector 308. The bottom surface of the bracket 303 is fixedly provided with a first protective plate 309, and a gap is left between the first protective plate 309 and the first threaded connector 308. The bracket 303 is fixed to the centrifugal atomizer body 100 through the first threaded connector 308. The first protective plate 309 on its bottom surface covers the first threaded connector 308 and leaves a gap with the first threaded connector 308, which can prevent the metal powder splashed during the atomization process from directly contacting the threads and reduce the impact of powder accumulation on the disassembly of the bracket 303.

[0048] The upper end of the scraper 306 is provided with a slot 310, and the lower end of the scraper 307 is provided with a snap-fit ​​end 311. The snap-fit ​​end 311 is snapped into the slot 310. The snap-fit ​​end 311 is fixedly connected to the upper end of the scraper 306 through the second threaded connector 312. The second threaded connector 312 is located inside the arc-shaped protective plate 304, which not only ensures the connection strength, but also prevents powder from directly contacting the threaded parts and maintains the convenience of disassembly.

[0049] An arc-shaped protective plate 304 is fixed on the scraper 307. An opening groove 313 is opened at the lower end of the arc-shaped protective plate 304. It is inserted and engaged with the outer peripheral wall of the connecting rod 305 through the opening groove 313. The second threaded connector 312 is located inside the arc-shaped protective plate 304. The arc-shaped protective plate 304 is sleeved on the outer periphery of the connecting rod 305 through the lower opening groove 313. When the connecting rod 305 rotates, the arc-shaped protective plate 304 synchronously drives the scraper 307 and the scraper blade 306 to slide along the inner wall of the centrifugal atomizer body 100 to remove residual powder.

[0050] In use, the bracket 303 is fixed to the centrifugal atomizer body 100 via the first threaded connector 308. The first protective plate 309 on its bottom surface covers the first threaded connector 308 and leaves a gap between it and the first threaded connector 308. This prevents metal powder splashed during atomization from directly contacting the threads, reducing powder accumulation and affecting the disassembly of the bracket 303. When the bracket 303 needs to be disassembled, there is no need to clean the powder on the thread surface. The disassembly and assembly can be completed by simply turning the first threaded connector 308, which improves the maintenance efficiency of the cleaning component 300.

[0051] The upper slot 310 of the scraper 306 engages with the lower snap-fit ​​end 311 of the scraper 307 to form a preliminary positioning. The two are then fastened together by the second threaded connector 312. The arc-shaped protective plate 304 is sleeved on the outer periphery of the connecting rod 305 through the lower opening slot 313. When the connecting rod 305 rotates, the arc-shaped protective plate 304 simultaneously drives the scraper 307 and the scraper 306 to slide along the inner wall of the centrifugal atomizer body 100 to remove residual powder. At the same time, the second threaded connector 312 can be removed to facilitate the disassembly of the scraper 307. After disassembly, the cleaning component 300 can be easily removed from the centrifugal atomizer body 100 for cleaning, maintenance or replacement, thus extending its service life.

[0052] The insertion and connection of the arc-shaped protective plate 304 and the connecting rod 305 ensures the stability of the scraper 307 when it rotates at high speed and avoids shaking caused by centrifugal force. The second threaded connector 312 is located inside the arc-shaped protective plate 304, which not only ensures the connection strength but also prevents powder from directly contacting the threaded parts and maintains the convenience of disassembly.

[0053] 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 metal powder centrifugal atomization machine for producing tin powder, characterized by, Include: Centrifugal atomizer body (100), the top surface of the centrifugal atomizer body (100) is clamped with a top cover (101), the middle part of the top cover (101) is fixed with a heat preservation tin furnace (102), the lower end of the heat preservation tin furnace (102) is communicated with a rotary disc (104), a plurality of connecting components (200) are arranged on the upper end of the centrifugal atomizer body (100), and the top cover (101) is fixedly connected with the centrifugal atomizer body (100) through the connecting components (200); The connecting component (200) comprises a T-shaped rod (201), and the T-shaped rod (201) is fixedly connected with the top cover (101); The cleaning assembly (300) comprises a mounting box (301), two servo motors (302) are installed in the mounting box (301), two supports (303) are fixedly connected to the mounting box (301), one output shaft of the servo motor (302) is fixedly connected with a connecting rod (305), the connecting rod (305) is fixedly connected with a scraper (306) at both ends, the scraper (306) is clamped with a scraper (307) at the upper end, and the scraper (306) and the scraper (307) are slidably connected with the inner wall of the centrifugal atomizer body (100).

2. The metal powder centrifugal atomizer for producing tin powder according to claim 1, characterized in that: The centrifugal atomizer body (100) is provided with a tin pipe (103) on the top surface, the output end of the tin pipe (103) is perpendicular to the middle upper end of the heat preservation tin furnace (102), the rotary disc (104) is rotatably connected with the heat preservation tin furnace (102), and the front wall of the centrifugal atomizer body (100) is provided with an observation window (107).

3. The metal powder centrifugal atomizer for producing tin powder according to claim 2, characterized in that: The bottom surface of the rotary disc (104) is provided with a limiting groove (105), the limiting groove (105) is inserted with a limiting column (106), the output shaft of the servo motor (302) close to one end of the rotary disc (104) penetrates the mounting box (301), and the output shaft of the servo motor (302) close to one end of the rotary disc (104) is fixedly connected with the limiting column (106).

4. The metal powder centrifugal atomizer for producing tin powder according to claim 3, characterized in that: The centrifugal atomizer body (100) is provided with a support block (202) on the outer peripheral wall, the support block (202) is rotatably connected with a clamping block (203) on the upper end, and the clamping block (203) is clamped with the outer peripheral wall of the T-shaped rod (201).

5. The metal powder centrifugal atomizer for producing tin powder according to claim 4, wherein: The support block (202) and the clamping block (203) are respectively provided with a fixed block (204), a spring (205) is arranged between the two fixed blocks (204), and the two ends of the spring (205) are fixedly connected with the fixed blocks (204).

6. The metal powder centrifugal atomizer for producing tin powder according to claim 2, characterized in that: The support (303) is fixedly connected with the centrifugal atomizer body (100) through a first threaded connecting piece (308), the bottom surface of the support (303) is fixedly connected with a first protective plate (309), and a gap is formed between the first protective plate (309) and the first threaded connecting piece (308).

7. The metal powder centrifugal atomizer for producing tin powder according to claim 6, characterized in that: The upper end of the scraper (306) is provided with a clamping groove (310), the lower end of the scraper plate (307) is provided with a clamping end (311), the clamping end (311) is clamped and matched with the clamping groove (310), and the clamping end (311) is fixedly connected with the upper end of the scraper (306) through a second threaded connecting piece (312).

8. The metal powder centrifugal atomizer for producing tin powder according to claim 7, characterized in that: An arc-shaped protective plate (304) is fixedly arranged on the upper end of the scraper plate (307), and an open groove (313) is arranged at the lower end of the arc-shaped protective plate (304).

9. The metal powder centrifugal atomizer for producing tin powder according to claim 8, characterized in that: The arc-shaped protective plate (304) is inserted and matched with the outer peripheral wall of the connecting rod (305) through the open groove (313), and the second threaded connecting piece (312) is located in the arc-shaped protective plate (304).

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