Metallurgy powder drying device
By designing the screening and dispersing mechanism of the metallurgical powder drying device, the problems of metallurgical powder agglomeration and large-grain impurities are solved, uniform drying and efficient screening of powder are achieved, and the quality and efficiency of powder metallurgy are improved.
Patent Information
- Application Number
- CN202422161220.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-04
AI Technical Summary
In the prior art, metallurgical powders are prone to agglomeration during drying and lack effective dispersion measures, which affects the metallurgy quality of the powder, and large particles of impurities cannot be effectively screened, resulting in a decline in product quality.
A metallurgical powder drying device is designed, and the first screen is combined with a slider and a cam for screening. The agglomerated powder is broken up with a washboard and the second screen is used to clean up impurities that cannot be broken through the push rod to ensure uniform drying and efficient screening of the powder.
The uniform drying and efficient screening of metallurgical powders are achieved, the quality and drying efficiency of powder metallurgy are improved, impurities are blocked, and the quality of subsequent products is ensured.
Smart Images
Figure CN223165846U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder metallurgy, in particular to a drying device for metallurgical powder. Background Technique
[0002] Powder metallurgy is a process technology for producing metal powders or using metal powders (or mixtures of metal powders and non-metal powders) as raw materials, and through shaping and sintering, manufacturing metal materials, composite materials and various types of products. The powder metallurgy method has similarities with the production of ceramics and both belong to powder sintering technology. The powder metallurgy process requires the metallurgical powder to be kept dry. This is because during the powder metallurgy process, the dryness of the metallurgical powder directly affects the quality and performance of the products. If there is too much moisture in the powder, it will affect the pressing process and reduce the product quality.
[0003] In the prior art, in order to ensure the quality of powder metallurgy, drying devices are mostly used to dry metal powders. During the drying process, there are no corresponding measures such as dispersing for the metal powders that are agglomerated due to moisture. After drying, some of the metal powders inside the agglomerated metal powders are still in a wet state, and there are no corresponding screening measures for some large metal particles in the metal powders, which affects the quality of subsequent product production. Content of the Utility Model
[0004] The purpose of the utility model is to provide a drying device for metallurgical powder to solve the problems put forward in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A drying device for metallurgical powder, including an installation box, a feed inlet is arranged above the installation box, a drying chamber is arranged inside the installation box, an installation rack and a fixing rack are arranged inside the installation box, the fixing rack is located above the installation rack, a first screen is arranged inside the installation rack, the first screen is arranged corresponding to the feed inlet, a push outlet is opened on the right side of the installation box, the first screen is slidably connected with the installation rack, sliders are fixedly installed on both sides of the first screen, two groups of symmetrically distributed sliding rods are arranged inside the installation rack, two groups of symmetrically distributed cams are arranged inside the installation rack, a shovel plate is arranged on the fixing rack, a second screen is embedded in the fixing rack, a rubbing plate is arranged above the second screen, a moving rod is arranged inside the fixing rack, the moving rod is slidably connected with the fixing rack, a connecting rod is arranged above the fixing rack, a flying disc is arranged on the fixing rack, the flying disc is rotationally connected with the fixing rack through a rotating shaft, both ends of the connecting rod are rotationally connected with the flying disc and the moving rod through rotating shafts respectively, a push rod is arranged on the fixing rack, and the push rod is located above the second screen.
[0006] As a further preference of the present technical solution, rubber sheets are fixedly installed at both ends of the first screen. Both ends of the rubber sheets are fixedly connected to the first screen and the mounting frame respectively. The slider is slidably sleeved on the sliding rod, and a spring is sleeved on the sliding rod. Both ends of the spring are fixedly connected to the slider and the mounting frame respectively.
[0007] As a further preference of the present technical solution, the cam is rotatably connected to the mounting frame through a rotating shaft. The cam is arranged corresponding to the slider and is in contact with the slider. Synchronous wheels are sleeved on both groups of cams, and a synchronous belt is arranged on the mounting frame. The synchronous belt is respectively in transmission connection with the two synchronous wheels.
[0008] As a further preference of the present technical solution, the shovel plate is rotatably connected to the fixed frame through a mounting rod. A gear is sleeved on the mounting rod. A rack is arranged in the fixed frame. A cylinder is arranged in the fixed frame. The rack is slidably connected to the fixed frame. The rack is connected to the output end of the piston rod of the cylinder. The rack is in meshing connection with the gear.
[0009] As a further preference of the present technical solution, the scrubbing plate is slidably connected to the moving rod. A screw rod is arranged in the moving rod. The upper end of the screw rod penetrates through the moving rod and is rotatably connected to the moving rod through a bearing. The lower end of the screw rod penetrates through the scrubbing plate and is in threaded connection with the scrubbing plate.
[0010] As a further preference of the present technical solution, the push rod is slidably connected to the fixed frame. Two symmetrically distributed lead screws are arranged in the fixed frame. Both ends of the two lead screws penetrate through the fixed frame and are rotatably connected to the fixed frame respectively. The two lead screws respectively penetrate through both ends of the push rod and are in threaded connection with the push rod. Transmission wheels are sleeved on both groups of lead screws. A transmission belt is arranged in the fixed frame. The transmission belt is respectively in transmission connection with the two transmission wheels. The push rod is arranged corresponding to the push outlet.
[0011] The utility model provides a metallurgical powder drying device, which has the following beneficial effects:
[0012] (1) The utility model realizes the screening of metallurgical powder falling from the feed port through the arranged first screen, slider and cam, etc., removes caked powder and large particle impurities, ensures that the metallurgical powder evenly scatters into the lower drying bin, improves the efficiency of powder drying and ensures the quality of subsequent powder metallurgy, and uses the arranged washboard, etc. to cooperate with the second screen to break up the caked powder mass; pour metal powder into the first screen arranged on the mounting rack through the feed port, then start the motor to drive the cam to rotate. The two groups of cams rotate simultaneously under the action of the synchronous belt and synchronous pulley, and respectively push the corresponding sliders. During the passive movement of the sliders, the springs on both sides are compressed and stretched. The slider drives the first screen to slide left and right on the slide bar in cooperation with the spring to screen the materials on the first screen. The metal powder meeting the aperture standard of the first screen falls into the drying bin below the first screen. The caked metal powder or other large particle impurities not meeting the screening standard move to the right under the action of the first screen and enter the second screen through the shovel plate. The motor drives the flying disc to rotate, and the flying disc intermittently pulls the connecting rod back and forth. Under the limiting action of the fixed frame, the moving rod drives the washboard to reciprocate left and right on the surface of the second screen to break up the powder between the washboard and the second screen.
[0013] (2) While the utility model uses the arranged washboard and second screen to break up the caked metal powder, the arranged push rod is used to clean some particle impurities that cannot be broken up, avoiding the blockage of the second screen by impurities, affecting the passing rate of metal powder of the second screen and resulting in the decline of the working efficiency of the metallurgical powder drying device; after the washboard breaks up the caked powder on the second screen, there are still some impurity particles that cannot be broken up. The motor drives the screw to rotate, and under the limiting action of the moving rod, the washboard is lifted. Then start the motor to drive the lead screw to rotate, and under the action of the transmission belt and transmission wheel, the two groups of lead screws rotate synchronously. Under the limiting action of the fixed frame, the push rod is pushed to move smoothly, and the impurities on the second screen are pushed out from the push-out port to complete the cleaning of the particle impurities, avoiding falling into the drying bin and affecting the powder drying treatment effect. Description of the Drawings
[0014] Figure 1 is the overall structural schematic diagram of the utility model;
[0015] Figure 2 is the cross-sectional view of the box body of the utility model;
[0016] Figure 3 is the structural schematic diagram of the mounting rack of the utility model;
[0017] Figure 4 is of the utility model Figure 3 - enlarged structural view of part A;
[0018] Figure 5 The structural schematic diagram of the fixing frame of the present utility model;
[0019] Figure 6 of the present utility model Figure 5 - The enlarged structure diagram at position B;
[0020] Figure 7 of the present utility model Figure 5 - The enlarged structure diagram at position C;
[0021] In the figure: 1, installation box; 2, feeding port; 3, drying bin; 4, installation frame; 5, fixing frame; 6, pushing out port; 7, first screen; 8, rubber sheet; 9, slider; 10, slide bar; 11, spring; 12, cam; 13, synchronous pulley; 14, synchronous belt; 15, shoveling plate; 16, installation rod; 17, gear; 18, rack; 19, cylinder; 20, scrubbing plate; 21, moving rod; 22, connecting rod; 23, flying disc; 24, screw; 25, lead screw; 26, driving wheel; 27, driving belt; 28, push rod; 29, second screen. Specific embodiments
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0023] The present utility model provides the following technical solutions: As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, in this embodiment, a metallurgical powder drying device includes an installation box 1. There is a feed inlet 2 above the installation box 1. Inside the installation box 1, there is a drying bin 3. Inside the installation box 1, there are an installation rack 4 and a fixing rack 5. The fixing rack 5 is located above the installation rack 4. Inside the installation rack 4, there is a first sieve 7. The first sieve 7 is arranged corresponding to the feed inlet 2. There is a push-out port 6 on the right side of the installation box 1. The first sieve 7 is slidably connected to the installation rack 4. On both sides of the first sieve 7, there are fixed sliders 9. Inside the installation rack 4, there are two groups of symmetrically distributed sliding rods 10. Inside the installation rack 4, there are two groups of symmetrically distributed cams 12. On the fixing rack 5, there is a shoveling plate 15. Inside the fixing rack 5, there is a second sieve 29. Above the second sieve 29, there is a rubbing plate 20. Inside the fixing rack 5, there is a moving rod 21. The moving rod 21 is slidably connected to the fixing rack 5. Above the fixing rack 5, there is a connecting rod 22. On the fixing rack 5, there is a flying disc 23. The flying disc 23 is rotatably connected to the fixing rack 5 through a rotating shaft. The two ends of the connecting rod 22 are respectively rotatably connected to the flying disc 23 and the moving rod 21 through rotating shafts. On the fixing rack 5, there is a push rod 28. The push rod 28 is located above the second sieve 29. The two ends of the first sieve 7 are respectively fixedly installed with rubber sheets 8. The two ends of the rubber sheets 8 are respectively fixedly connected to the first sieve 7 and the installation rack 4. The slider 9 is slidably sleeved on the sliding rod 10. A spring 11 is sleeved on the sliding rod 10. The two ends of the spring 11 are respectively fixedly connected to the slider 9 and the installation rack 4. The cam 12 is rotatably connected to the installation rack 4 through a rotating shaft. The cam 12 is arranged corresponding to the slider 9 and is in contact with the slider 9. Synchronous wheels 13 are sleeved on both groups of cams 12. There is a synchronous belt 14 on the installation rack 4. The synchronous belt 14 is respectively in transmission connection with the two groups of synchronous wheels 13.
[0024] Through the arranged first sieve 7 in cooperation with the slider 9, the cam 12, etc., the screening of the metallurgical powder falling from the feed inlet 2 is realized, the caked powder and large-particle impurities are removed, ensuring that the metallurgical powder evenly scatters into the lower drying bin 3 below, improving the efficiency of powder drying and ensuring the quality of subsequent powder metallurgy at the same time, and through the arranged rubbing plate 20, etc., in cooperation with the second sieve 29, the caked powder mass is dispersed.
[0025] Such as Figure 5 、 Figure 6 and Figure 7As shown in the figure, the scraper plate 15 is rotatably connected to the fixed frame 5 through the mounting rod 16. A gear 17 is sleeved on the mounting rod 16. A rack 18 is arranged inside the fixed frame 5. A cylinder 19 is arranged inside the fixed frame 5. The rack 18 is slidably connected to the fixed frame 5. The rack 18 is connected to the output end of the piston rod of the cylinder 19. The rack 18 is meshed and connected with the gear 17. The rubbing plate 20 is slidably connected to the moving rod 21. A screw rod 24 is arranged inside the moving rod 21. The upper end of the screw rod 24 penetrates through the moving rod 21 and is rotatably connected to the moving rod 21 through a bearing. The lower end of the screw rod 24 penetrates through the rubbing plate 20 and is threadedly connected to the rubbing plate 20. The push rod 28 is slidably connected to the fixed frame 5. Two groups of symmetrically distributed lead screws 25 are arranged inside the fixed frame 5. The two ends of the two groups of lead screws 25 respectively penetrate through the fixed frame 5 and are rotatably connected to the fixed frame 5. The two groups of lead screws 25 respectively penetrate through the two ends of the push rod 28 and are threadedly connected to the push rod 28. Transmission wheels 26 are sleeved on the two groups of lead screws 25. A transmission belt 27 is arranged inside the fixed frame 5. The transmission belt 27 is respectively in transmission connection with the two groups of transmission wheels 26. The push rod 28 is arranged corresponding to the discharge port 6.
[0026] While the agglomerated metal powder is being broken up by the provided rubbing plate 20 and the second sieve 29, the provided push rod 28 is used to clean up some of the particulate impurities that cannot be broken up, preventing the impurities from clogging the second sieve 29 and affecting the passing rate of the metal powder through the second sieve 29, which would lead to a decrease in the working efficiency of the metallurgical powder drying device.
[0027] The utility model provides a metallurgical powder drying device, and the specific working principle is as follows: Pour metal powder into the first screen 7 arranged on the mounting frame 4 through the feed inlet 2. Then start the motor to drive the cam 12 to rotate. The two groups of cams 12 rotate simultaneously under the action of the synchronous belt 14 and the synchronous pulley 13, and respectively push the corresponding sliders 9. During the passive movement of the sliders 9, the springs 11 on both sides are compressed and stretched. Cooperating with the springs 11, the sliders 9 drive the first screen 7 to slide left and right on the slide rod 10 to screen the materials on the first screen 7. The metal powder meeting the aperture standard of the first screen 7 falls into the drying bin 3 below the first screen 7. The caked metal powder or other large particle impurities not meeting the screening standard move to the right under the action of the first screen 7 and enter the second screen 29 through the shovel plate 15. Under the action of the motor, the flying disc 23 rotates, and the flying disc 23 intermittently pulls the connecting rod 22 back and forth. Under the limiting action of the fixing frame 5, the moving rod 21 drives the rubbing plate 20 to reciprocate left and right on the surface of the second screen 29 to disperse the powder between the rubbing plate 20 and the second screen 29. After the caked powder on the second screen 29 is dispersed by the rubbing plate 20, the remaining impurity particles that cannot be dispersed are lifted by the rubbing plate 20 by driving the screw rod 24 to rotate by the motor. Then start the motor to drive the lead screw 25 to rotate, and under the action of the transmission belt 27 and the transmission pulley 26, the two groups of lead screws 25 rotate synchronously. Under the limiting action of the fixing frame 5, the push rod 28 is pushed to move smoothly, and the impurities on the second screen 29 are pushed out from the push outlet 6 to complete the cleaning of the particle impurities and avoid affecting the powder drying treatment effect in the drying bin 3.
[0028] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A metallurgical powder drying device, comprising an installation box (1), characterized in that: Above the installation box (1), there is a feed inlet (2). Inside the installation box (1), there is a drying bin (3). Inside the installation box (1), there are an installation rack (4) and a fixing rack (5). The fixing rack (5) is located above the installation rack (4). Inside the installation rack (4), there is a first sieve (7). The first sieve (7) is arranged corresponding to the feed inlet (2). On the right side of the installation box (1), there is a push-out port (6). The first sieve (7) is slidably connected to the installation rack (4). On both sides of the first sieve (7), there are sliders (9) fixedly installed. Inside the installation rack (4), there are two groups of symmetrically distributed sliding rods (10). Inside the installation rack (4), there are two groups of symmetrically distributed cams (12). On the fixing rack (5), there is a shovel plate (15). Inside the fixing rack (5), there is a second sieve (29). Above the second sieve (29), there is a rubbing plate (20). Inside the fixing rack (5), there is a moving rod (21). The moving rod (21) is slidably connected to the fixing rack (5). Above the fixing rack (5), there is a connecting rod (22). On the fixing rack (5), there is a flying disc (23). The flying disc (23) is rotatably connected to the fixing rack (5) through a rotating shaft. The two ends of the connecting rod (22) are respectively rotatably connected to the flying disc (23) and the moving rod (21) through rotating shafts. On the fixing rack (5), there is a push rod (28). The push rod (28) is located above the second sieve (29).
2. The metallurgical powder drying device according to claim 1, characterized in that: At both ends of the first sieve (7), there are rubber sheets (8) fixedly installed. The two ends of the rubber sheets (8) are respectively fixedly connected to the first sieve (7) and the installation rack (4). The slider (9) is slidably sleeved on the sliding rod (10). A spring (11) is sleeved on the sliding rod (10). The two ends of the spring (11) are respectively fixedly connected to the slider (9) and the installation rack (4).
3. The metallurgical powder drying device according to claim 1, characterized in that: The cam (12) is rotatably connected to the installation rack (4) through a rotating shaft. The cam (12) is arranged corresponding to the slider (9) and is in contact with the slider (9). On both of the two groups of cams (12), there are synchronous wheels (13) sleeved. On the installation rack (4), there is a synchronous belt (14). The synchronous belt (14) is respectively in transmission connection with the two groups of synchronous wheels (13).
4. A metallurgical powder drying device according to claim 1, characterized in that: The shovel plate (15) is rotatably connected to the fixing rack (5) through an installation rod (16). A gear (17) is sleeved on the installation rod (16). Inside the fixing rack (5), there is a rack (18). Inside the fixing rack (5), there is a cylinder (19). The rack (18) is slidably connected to the fixing rack (5). The rack (18) is connected to the output end of the piston rod of the cylinder (19). The rack (18) is meshed with the gear (17).
5. A metallurgical powder drying device according to claim 1, characterized in that: The rubbing plate (20) is slidably connected to the moving rod (21). Inside the moving rod (21), there is a screw rod (24). The upper end of the screw rod (24) penetrates through the moving rod (21) and is rotatably connected to the moving rod (21) through a bearing. The lower end of the screw rod (24) penetrates through the rubbing plate (20) and is in threaded connection with the rubbing plate (20).
6. The metallurgical powder drying device according to claim 1, characterized in that: The push rod (28) is slidably connected to the fixed frame (5). Two sets of symmetrically distributed lead screws (25) are arranged inside the fixed frame (5). The two ends of the two sets of lead screws (25) respectively penetrate through the fixed frame (5) and are rotatably connected to the fixed frame (5). The two sets of lead screws (25) respectively penetrate through the two ends of the push rod (28) and are threadedly connected to the push rod (28). Transmission wheels (26) are sleeved on the two sets of lead screws (25). A transmission belt (27) is arranged inside the fixed frame (5). The transmission belt (27) is respectively in transmission connection with the two sets of transmission wheels (26). The push rod (28) is arranged corresponding to the push outlet (6).