Device for rapidly drying and dispersing metal powder

Abstract

The utility model relates to the technical field of metal powder drying, in particular to a device for quickly drying and dispersing metal powder, which comprises a drying barrel and a base arranged at the lower end of the drying barrel, and a dispersing component is arranged at the upper end of the drying barrel and comprises a dispersing box fixedly arranged at the upper end of the drying barrel. Metal powder entering the dispersing box firstly falls onto a second dispersing disc in the drying barrel through preliminary scattering of a spiral blade, and small metal powder blocks falling to the upper end of the second dispersing disc are scattered through a first dispersing rod and a second dispersing rod; scattered metal powder blocks fall to the upper end of the second dispersing disc at the lower end through fine holes to be scattered again, the metal powder blocks are scattered and dried, the contact area between the metal powder and a drying medium can be increased, accordingly, evaporation of water is accelerated, after the powder is scattered, moisture in the powder is more easily diffused to the surface, and the drying efficiency is improved. Therefore, the drying time is shortened, and the drying efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of metal powder drying technology, and in particular to a device for rapidly drying and dispersing metal powder. Background Technology

[0002] Powder metallurgy is a process technology that uses metal powder or a mixture of metal powder and non-metal powder as raw materials, and then shapes and sinters to manufacture metal materials, composite materials and various types of products. During the metallurgical powder processing, the powder is usually heated and dried.

[0003] Existing metal powder drying equipment lacks a device to disperse the metal powder. Metal powder particles may clump together due to mutual contact and surface adhesion. This clumping not only affects the flowability of the powder and hinders moisture evaporation, but also reduces drying efficiency. Utility Model Content

[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0005] Specifically, the technical problem to be solved by this utility model is to provide a device for rapidly drying and dispersing metal powder, so as to solve the problem that existing metal powder drying devices lack a device for dispersing metal powder, and that metal powder particles may form clumps due to mutual contact and surface adhesion. This clumping phenomenon not only affects the flowability of the powder and is not conducive to the evaporation of moisture, but also reduces the drying efficiency.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A device for rapidly drying and dispersing metal powder includes a drying drum and a base located at the lower end of the drying drum. A dispersing assembly is located at the upper end of the drying drum. The dispersing assembly includes a dispersion box fixedly mounted at the upper end of the drying drum. A motor is fixedly mounted on one outer wall of the dispersion box. A spiral blade is connected to the output end of the motor. A driving wheel is connected to the end of the spiral blade away from the motor. A fixed plate is fixedly mounted at the upper end of the drying drum. A driven wheel is connected to one outer wall of the fixed plate. A transmission belt is wound around the outer walls of the driving wheel and the driven wheel. A first bevel gear is located at the upper end of the fixed plate. A rotating rod is connected to the lower end of the first bevel gear. A second bevel gear is connected to one end of the rotating wheel. A sleeve rod is fitted on the outer wall of the rotating rod. A third bevel gear is provided at the upper end of the sleeve rod. Several sets of connecting plates are symmetrically arranged from top to bottom on the outer wall of the third bevel gear. Several sets of first dispersing rods are equidistantly arranged at the lower end of the connecting plate connected to the outer wall of the sleeve rod on the same side. Several sets of second dispersing rods are equidistantly arranged at the lower end of the connecting plate away from the first dispersing rods. A first dispersing disc is fixed at the lower end of the rotating rod. Multiple sets of second dispersing discs are fitted on the upper end of the outer wall of the sleeve rod. An air inlet pipe is connected to one side of the outer wall of the drying drum. A heater is provided at the air inlet end of the air inlet pipe. An air outlet pipe is provided at the end of the outer wall of the drying drum away from the air inlet pipe.

[0008] As an improved technical solution, the upper end of the drying drum has a feed inlet with the same length and width as the inner wall of the dispersion box, and the driven wheel and the driving wheel are connected by a transmission belt.

[0009] As an improved technical solution, the upper end of the first bevel gear is rotatably connected to the fixed plate, the first bevel gear and the second bevel gear mesh with each other, the second bevel gear and the third bevel gear mesh with each other, the second bevel gear and the fixed plate are rotatably connected, the upper end of the rotating rod is fixedly connected to the first bevel gear, the third bevel gear is rotatably sleeved on the outer wall of the rotating rod, the lower end of the third bevel gear is fixedly connected to the upper end of the sleeve rod, and the sleeve rod is rotatably sleeved on the outer wall of the rotating rod.

[0010] As an improved technical solution, the second dispersion disk and the second dispersion disk are fixedly connected by a connecting rod, and the first dispersion disk and the second dispersion disk located at the upper end of the first dispersion disk are fixedly connected by a connecting rod.

[0011] As an improved technical solution, the middle end of the second dispersing disc is rotatably sleeved on the outer wall of the sleeve rod. The upper ends of the first and second dispersing discs are provided with several sets of fine holes. The lower ends of the first and second dispersing rods are in contact with the upper ends of the first and second dispersing discs. The first and second dispersing discs are movably inserted into the inner wall of the drying barrel.

[0012] As an improved technical solution, the first and second dispersing rods are respectively arranged alternately.

[0013] As an improved technical solution, a guide plate is fixedly provided on the inner wall of the drying barrel at the lower end of the first dispersing disc, and a discharge port connected to the bottom of the guide plate is provided at the lower end of the drying barrel. The guide plate is configured as a frustum shape.

[0014] After adopting the above technical solution, the beneficial effects of this utility model are:

[0015] The metal powder entering the dispersion box is first dispersed by the spiral blades and falls onto the second dispersion plate inside the drying drum. The first and second dispersion rods break up the smaller metal powder pieces that fall onto the upper part of the second dispersion plate. The broken metal powder pieces fall through the fine holes to the upper part of the lower part of the second dispersion plate for further dispersion. The process of breaking up the metal powder pieces during drying increases the contact area between the metal powder and the drying medium, thereby accelerating the evaporation of moisture. After the powder is broken up, the moisture inside it is easier to diffuse to the surface and exchange heat with the drying medium, thus shortening the drying time and improving the drying efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a front-view three-dimensional structural diagram of the device for rapidly drying and dispersing metal powder according to the present invention.

[0018] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of a device for rapidly drying and dispersing metal powder according to the present invention.

[0019] Figure 3 This is a three-dimensional structural diagram of the dispersing component of a device for rapidly drying and dispersing metal powder according to this utility model.

[0020] In the diagram: 1. Drying drum; 2. Base; 3. Dispersing assembly; 301. Dispersing box; 302. Motor; 303. Spiral blades; 304. Drive wheel; 305. Fixed plate; 306. Driven wheel; 307. Transmission belt; 308. First bevel gear; 309. Rotating rod; 310. Second bevel gear; 311. Sleeve rod; 312. Third bevel gear; 313. Connecting plate; 314. First dispersing rod; 315. Second dispersing rod; 4. First dispersing disc; 5. Second dispersing disc; 6. Connecting rod; 7. Air inlet pipe; 8. Heater; 9. Air outlet pipe; 10. Guide plate; 11. Discharge port. 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. 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.

[0022] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0023] Meanwhile, the meaning of "and / or" or "the / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0024] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0025] like Figures 1-3As shown in the figure, this embodiment provides a device for rapidly drying and dispersing metal powder, including a drying barrel 1 and a base 2 located at the lower end of the drying barrel 1. A dispersing component 3 is provided at the upper end of the drying barrel 1. The dispersing component 3 includes a dispersing box 301 fixedly located at the upper end of the drying barrel 1. A motor 302 is fixedly installed on one side of the outer wall of the dispersing box 301. A spiral blade 303 is connected to the output end of the motor 302. A drive wheel 304 is connected to the end of the spiral blade 303 away from the motor 302. A fixing plate 305 is fixedly installed at the upper end of the drying barrel 1. A driven wheel 306 is connected to one side of the outer wall of the fixing plate 305. A transmission belt 307 is wound around the outer walls of the drive wheel 304 and the driven wheel 306. A first bevel gear 308 is provided at the upper end of the fixing plate 305. A rotating... A rod 309 has a second bevel gear 310 connected to one end of a driven wheel 306. A sleeve rod 311 is fitted on the outer wall of the rod 309. A third bevel gear 312 is provided at the upper end of the sleeve rod 311. Several sets of connecting plates 313 are symmetrically arranged from top to bottom on the outer wall of the third bevel gear 312. Several sets of first dispersing rods 314 are equidistantly arranged at the lower end of the connecting plate 313 connected to the outer wall of the sleeve rod 311 on the same side. Several sets of second dispersing rods 315 are equidistantly arranged at the lower end of the connecting plate 313 away from the first dispersing rods 314. A first dispersing disc 4 is fixedly provided at the lower end of the rod 309. Multiple sets of second dispersing discs 5 are fitted on the upper end of the outer wall of the sleeve rod 311. An air inlet pipe 7 is connected to one side of the outer wall of the drying barrel 1. A heater 8 is provided at the air inlet end of the air inlet pipe 7. An air outlet pipe 9 is provided at the outer wall of the drying barrel 1 away from the air inlet pipe 7.

[0026] The upper end of the drying drum 1 has a feed inlet with the same length and width as the inner wall of the dispersion box 301. The driven wheel 306 and the driving wheel 304 are connected by a transmission belt 307.

[0027] The upper end of the first bevel gear 308 is rotatably connected to the fixed plate 305. The first bevel gear 308 and the second bevel gear 310 mesh with each other. The second bevel gear 310 and the third bevel gear 312 mesh with each other. The second bevel gear 310 is rotatably connected to the fixed plate 305. The upper end of the rotating rod 309 is fixedly connected to the first bevel gear 308. The third bevel gear 312 is rotatably sleeved on the outer wall of the rotating rod 309. The lower end of the third bevel gear 312 is fixedly connected to the upper end of the sleeve rod 311. The sleeve rod 311 is rotatably sleeved on the outer wall of the rotating rod 309.

[0028] The second dispersion disk 5 and the second dispersion disk 5 are fixedly connected by a connecting rod 6. The first dispersion disk 4 and the second dispersion disk 5 located at the upper end of the first dispersion disk 4 are fixedly connected by a connecting rod 6.

[0029] The second dispersing disc 5 is rotatably sleeved on the outer wall of the sleeve rod 311 at its middle end. The upper ends of the first dispersing disc 4 and the second dispersing disc 5 are provided with several sets of fine holes. The lower ends of the first dispersing rod 314 and the second dispersing rod 315 are in contact with the upper ends of the first dispersing disc 4 and the second dispersing disc 5. The first dispersing disc 4 and the second dispersing disc 5 are movably inserted into the inner wall of the drying barrel 1.

[0030] The first dispersing rod 314 and the second dispersing rod 315 are respectively staggered.

[0031] A guide plate 10 is fixedly provided on the inner wall of the drying barrel 1 at the lower end of the first dispersing disc 4. The lower end of the drying barrel 1 is provided with a discharge port 11 that is connected to the bottom of the guide plate 10. The guide plate 10 is shaped like a frustum.

[0032] The heater 8 is started, and air is pumped into the air inlet of the air inlet pipe 7. The gas is heated by the heater 8 and enters the drying drum 1. The motor 302 is started to drive the spiral blades 303 to rotate, and the metal powder to be dried is put into the dispersion box 301. The spiral blades 303 are spiral-shaped. The metal powder entering the dispersion box 301 is initially dispersed by the spiral blades 303. Large metal powder clumps that are stuck together are broken into smaller metal powder clumps. Then the metal powder enters the drying drum 1 through the feed port at the top of the drying drum 1 and first falls onto the second dispersion disc 5 located at the top of the outer wall of the sleeve 311. The motor 302 is started to rotate. During startup, the rotation of the spiral blade 303 drives the drive wheel 304 to rotate. The drive wheel 304 drives the driven wheel 306 to rotate via the transmission belt 307. The second bevel gear 310 rotates along with the driven wheel 306. The second bevel gear 310 drives the first bevel gear 308 and the third bevel gear 312 to rotate. The first bevel gear 308 and the third bevel gear 312 are symmetrical about the second bevel gear 310, so the first bevel gear 308 and the third bevel gear 312 rotate in opposite directions. The first bevel gear 308 drives the first dispersing disk 4 to rotate via the rotating rod 309. The first dispersing disk 4 drives the second bevel gear 308 to rotate via the connecting rod 6. Dispersing disc 5 rotates, causing the first dispersing disc 4 and the second dispersing disc 5 to rotate synchronously. Sleeve rod 311 drives connecting plate 313 to rotate, and the rotation direction of connecting plate 313 is opposite to that of the first dispersing disc 4 and the second dispersing disc 5. During the rotation of connecting plate 313, the first dispersing rod 314 and the second dispersing rod 315 disperse the smaller metal powder pieces falling onto the upper part of the second dispersing disc 5. The dispersed metal powder pieces fall through the fine holes to the upper part of the lower part of the second dispersing disc 5 for further dispersion. As the metal powder falls from the upper part of the second dispersing disc 5 onto the lower part, hot air blown into the drying drum 1 by the air inlet pipe 7 disperses the falling metal powder. In this powder drying process, the gas carrying the moisture generated during the drying process is discharged from the drying drum 1 through the gas outlet pipe 9. After being dispersed multiple times by the second dispersion disc 5, the powder eventually falls onto the first dispersion disc 4, and then onto the guide plate 10. Guided by the guide plate 10, it is discharged from the discharge port 11, thus completing the drying of the metal powder. In the above operation, the metal powder blocks are dispersed during drying, which increases the contact area between the metal powder and the drying medium, thereby accelerating the evaporation of moisture. When the powder is dispersed, the moisture inside it is easier to diffuse to the surface and exchange heat with the drying medium, thereby shortening the drying time and improving the drying efficiency.

[0033] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. An apparatus for rapidly drying and dispersing metal powder, comprising a drying drum (1) and a base (2) disposed at the lower end of the drying drum (1), characterized in that: The upper end of the drying drum (1) is provided with a dispersing component (3). The dispersing component (3) includes a dispersion box (301) fixedly installed on the upper end of the drying drum (1). A motor (302) is fixedly installed on one side of the outer wall of the dispersion box (301). A spiral blade (303) is connected to the output end of the motor (302). A drive wheel (304) is connected to the end of the spiral blade (303) away from the motor (302). A fixing plate (305) is fixedly installed on the upper end of the drying drum (1). A driven wheel (306) is connected to one side of the outer wall of the fixing plate (305). A transmission belt (307) is wound around the outer walls of the drive wheel (304) and the driven wheel (306). A first bevel gear (308) is provided on the upper end of the fixing plate (305). A rotating rod (309) is connected to the lower end of the first bevel gear (308). A second bevel gear (309) is connected to one end of the driven wheel (306). 310), the outer wall of the rotating rod (309) is fitted with a sleeve rod (311), the upper end of the sleeve rod (311) is provided with a third bevel gear (312), the outer wall of the third bevel gear (312) is symmetrically provided with several sets of connecting plates (313) from top to bottom, the lower end of the connecting plate (313) connected to the outer wall of the sleeve rod (311) is provided with several sets of first dispersing rods (314) at equal intervals, the lower end of the connecting plate (313) away from the first dispersing rods (314) is provided with several sets of second dispersing rods (315) at equal intervals, the lower end of the rotating rod (309) is fixedly provided with a first dispersing disc (4), the upper end of the outer wall of the sleeve rod (311) is fitted with multiple sets of second dispersing discs (5), one side of the outer wall of the drying barrel (1) is connected to an air inlet pipe (7), the air inlet end of the air inlet pipe (7) is provided with a heater (8), the outer wall of the drying barrel (1) away from the air inlet pipe (7) is provided with an air outlet pipe (9).

2. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The upper end of the drying drum (1) has a feed inlet with the same length and width as the inner wall of the dispersion box (301), and the driven wheel (306) and the driving wheel (304) are connected by a transmission belt (307).

3. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The upper end of the first bevel gear (308) is rotatably connected to the fixed plate (305). The first bevel gear (308) and the second bevel gear (310) mesh with each other. The second bevel gear (310) and the third bevel gear (312) mesh with each other. The second bevel gear (310) and the fixed plate (305) are rotatably connected. The upper end of the rotating rod (309) is fixedly connected to the first bevel gear (308). The third bevel gear (312) is rotatably sleeved on the outer wall of the rotating rod (309). The lower end of the third bevel gear (312) is fixedly connected to the upper end of the sleeve rod (311). The sleeve rod (311) is rotatably sleeved on the outer wall of the rotating rod (309).

4. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The second dispersion disk (5) and the second dispersion disk (5) are fixedly connected by a connecting rod (6), and the first dispersion disk (4) and the second dispersion disk (5) located at the upper end of the first dispersion disk (4) are fixedly connected by a connecting rod (6).

5. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The middle end of the second dispersing disc (5) is rotatably sleeved on the outer wall of the sleeve rod (311). The upper ends of the first dispersing disc (4) and the second dispersing disc (5) are provided with several sets of fine holes. The lower ends of the first dispersing rod (314) and the second dispersing rod (315) are in contact with the upper ends of the first dispersing disc (4) and the second dispersing disc (5). The first dispersing disc (4) and the second dispersing disc (5) are movably inserted into the inner wall of the drying barrel (1).

6. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The first dispersing rod (314) and the second dispersing rod (315) are respectively staggered.

7. The apparatus for rapidly drying and dispersing metal powder according to claim 1, characterized in that: The inner wall of the drying barrel (1) is fixedly provided with a guide plate (10) at the lower end of the first dispersing plate (4). The lower end of the drying barrel (1) is provided with a discharge port (11) that communicates with the bottom of the guide plate (10). The guide plate (10) is configured as a frustum.

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