Powder drying machine convenient to clean
By using a motor-driven scraper and air blower in conjunction with an air pump, the problem of residue on the inner wall of the powder dryer is solved, achieving thorough cleaning of the inner wall of the drying cylinder and improving the purity of the powder, thus increasing the powder drying efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-13
AI Technical Summary
In existing powder dryers, powder tends to remain on the drum wall during the mixing process, which is not thoroughly cleaned and affects the purity of the powder.
The motor, drive bevel gear, shaft sleeve, bushing, and driven bevel gear of the drying component work together to rotate the scraper and air blower, scraping off the powder from the inner wall of the drying cylinder. An air pump provides air to blow off the powder on the scraper, and a hot air blower is used to mix and disperse the powder.
Effectively cleans the powder inside the drying drum, ensuring purity after each cleaning and improving the drying effect and purity of the powder.
Smart Images

Figure CN223992419U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of powder dryers, and more specifically, to a powder dryer that is easy to clean. Background Technology
[0002] A powder dryer is a device used to dry powdery materials. It uses hot air generated by a hot air blower to directly contact the powder. The hot air transfers heat to the powder and removes the evaporated moisture. For example, in some tunnel dryers, hot air enters the cylinder from the top of the machine and comes into contact with the material to achieve drying.
[0003] Chinese patent application number CN202323407912.4 discloses a drying mechanism for yttrium-stabilized zirconia powder. This mechanism uses a first motor to drive the stirring element to stir the yttrium-stabilized zirconia powder... This reciprocating motion can fully stir the yttrium-stabilized zirconia powder on the inner wall of the drying tank. However, during the stirring process, the powder may stick to the cylinder wall or the stirring structure. When cleaning the stirrer later, it may not be cleaned thoroughly enough, and some residue may remain. When stirring other powders in the next batch, it may mix with the previous batch of powder, which is not conducive to the purity of the current powder.
[0004] Therefore, a powder dryer that is easy to clean is proposed to address the above problems. Utility Model Content
[0005] To overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a powder dryer that is easy to clean. The dryer uses a motor, transmission bevel gear, shaft cylinder, bushing, first driven bevel gear, and second driven bevel gear in the drying components to rotate the scraper and the air blower. When the scraper rotates, it can scrape off the inner wall of the drying cylinder, removing the powder processed on the inner wall and discharging it from the discharge port. At the same time, the air blown out by the air blower can blow off the powder on the scraper, preventing powder residue from affecting the purity of subsequent batches of powder. When cleaning is not required, the air blower can be used for stirring and dispersing the powder, thereby improving the drying effect of the powder.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0007] A powder dryer for easy cleaning includes a drying assembly with a support assembly mounted on its lower part. The drying assembly includes a drying cylinder, a machine cylinder fixedly connected to its right end, an air inlet fixedly connected to its right end, a U-shaped bracket fixedly connected inside the machine cylinder, a motor fixedly connected to the middle of the U-shaped bracket, a drive end of the motor extending through the middle of the U-shaped bracket into its interior and fixedly connected to a drive bevel gear, the drive end of the motor being rotatably connected to the U-shaped bracket, a shaft cylinder rotatably connected inside the machine cylinder, a bushing rotatably connected to the middle of the shaft cylinder, and the right end of the shaft cylinder extending through the U-shaped bracket... The frame extends from the end away from the motor into the interior of the air inlet cylinder. The bushing is rotatably connected to the end of the U-shaped bracket away from the motor. A second driven bevel gear is fixedly connected to the middle of the bushing. A first driven bevel gear is fixedly connected to the middle of the shaft cylinder. The first driven bevel gear is located to the right of the second driven bevel gear. Both the first and second driven bevel gears mesh with the transmission bevel gear. The left end of the shaft cylinder passes through the left end of the machine cylinder and extends into the drying cylinder, where a blowing rod is fixedly connected. The left end of the bushing passes through the left end of the machine cylinder and extends into the drying cylinder, where a scraper is fixedly connected. The scraper fits against the drying cylinder and is adapted to the blowing rod.
[0008] After the motor starts, it drives the shaft and bushing to rotate through the relevant transmission parts, thereby causing the air blower and scraper to rotate synchronously inside the drying cylinder. This cleans the inner wall of the drying cylinder and, in conjunction with other components, removes powder. Simultaneously, the first driven bevel gear and the second driven bevel gear drive the shaft and bushing to rotate in opposite directions. When cleaning is not required, the air blower on the shaft blows the powder inside the drying cylinder, dispersing it and facilitating drying or subsequent cooling. The scraper on the bushing scrapes off the powder adhering to the inner wall of the drying cylinder, achieving a mixing effect and further improving the drying efficiency.
[0009] Furthermore, a protective cylinder is fixedly connected to the left end of the drying cylinder, and a hot air blower is fixedly connected inside the protective cylinder. The output end of the hot air blower passes through the right end of the protective cylinder and extends into the interior of the drying cylinder.
[0010] Hot air generated by the hot air blower can be directly introduced into the drying cylinder. Through direct contact between the hot air and the powder, heat is transferred to the powder, thereby achieving the purpose of drying the powder.
[0011] Furthermore, an air pump is fixedly connected inside the air inlet cylinder, and a connecting pipe is fixedly connected to the output end of the air pump, with the connecting pipe rotatably connected to the shaft cylinder;
[0012] A stable and controllable air source is provided to the air blowing rod connected to the end of the shaft cylinder by an air pump. When the air pump is started, the air blowing rod blows out gas. This gas works in conjunction with the scraping action of the scraper to blow the powder scraped off the inner wall of the drying cylinder away from the scraper itself, preventing powder residue from remaining there. This ensures that the scraper is clean after each cleaning operation, which is beneficial for the effective cleaning of the drying cylinder in the next operation and the purity of different batches of powder.
[0013] Furthermore, a filter plug is fixedly connected to the top of the drying cylinder.
[0014] Furthermore, a discharge port is provided at the bottom of the drying cylinder, and a sealing cap is snapped into the discharge port.
[0015] Furthermore, the support assembly includes a load-bearing base, the top of which is fixedly connected to the air intake cylinder and the protective cylinder.
[0016] Furthermore, a pair of symmetrical electric push rods are fixedly connected inside the load-bearing base, and the transmission end of the electric push rods is fixedly connected to the bottom end of the sealing cover.
[0017] In summary, this utility model has the following beneficial effects:
[0018] (1) This solution uses the motor, transmission bevel gear, shaft sleeve, bushing, first driven bevel gear, and second driven bevel gear of the drying component to make the scraper and the air blower rotate. When the scraper rotates, it can scrape off the inner wall of the drying cylinder, scrape off the powder processed on the inner wall of the drying cylinder and discharge it from the discharge port. At the same time, the air blown out by the air blower can blow off the powder on the scraper, preventing the powder residue on the scraper from affecting the purity of other batches of powder in the next batch.
[0019] (2) The support component of this solution supports the drying component and uses an electric push rod to adjust the position of the sealing cover, so that when the drying cylinder needs to be cleaned, the sealing cover can be separated from the drying cylinder, which is conducive to the discharge of residual powder in the drying cylinder. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure in this embodiment;
[0021] Figure 2 This is a schematic diagram of the overall disassembled structure in this embodiment;
[0022] Figure 3 This is a cross-sectional structural diagram of the drying component in this embodiment;
[0023] Figure 4 This is a schematic diagram of the disassembled drying component in this embodiment;
[0024] Figure 5This is a schematic diagram of the drying component transmission structure in this embodiment.
[0025] In the diagram, 1 is the support assembly; 2 is the drying assembly; 101 is the load-bearing base; 102 is the electric push rod; 201 is the drying cylinder; 202 is the protective cylinder; 203 is the machine cylinder; 204 is the air inlet cylinder; 205 is the sealing cover; 206 is the air filter plug; 207 is the hot air blower; 208 is the air pump; 209 is the connecting pipe; 210 is the U-shaped bracket; 211 is the motor; 212 is the transmission bevel gear; 213 is the shaft cylinder; 214 is the shaft sleeve; 215 is the first driven bevel gear; 216 is the second driven bevel gear; 217 is the scraper; and 218 is the air blowing rod. Detailed Implementation
[0026] The present invention will be further described in detail below with reference to the accompanying drawings.
[0027] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.
[0028] Reference Figures 1-5As shown, a powder dryer for easy cleaning is provided in a preferred embodiment of this utility model. It includes a drying assembly 2, with a support assembly 1 installed at the lower part of the drying assembly 2. The drying assembly 2 includes a drying cylinder 201, with a machine cylinder 203 fixedly connected to the right end of the drying cylinder 201. An air inlet 204 is fixedly connected to the right end of the machine cylinder 203. A U-shaped bracket 210 is fixedly connected inside the machine cylinder 203. A motor 211 is fixedly connected to the middle of the U-shaped bracket 210. The drive end of the motor 211 extends through the middle of the U-shaped bracket 210 into the interior of the U-shaped bracket 210 and is fixedly connected to a transmission bevel gear 212. The drive end of the motor 211 is rotatably connected to the U-shaped bracket 210. A shaft cylinder 213 is rotatably connected inside the machine cylinder 203. A bushing 214 is rotatably connected to the middle of the shaft cylinder 213. The right end of the shaft cylinder 213 extends through the U-shaped bracket 210. The end of the sleeve 214 away from the motor 211 extends into the air inlet cylinder 204. The sleeve 214 is rotatably connected to the end of the U-shaped bracket 210 away from the motor 211. The middle part of the sleeve 214 is fixedly connected to the second driven bevel gear 216. The middle part of the cylinder 213 is fixedly connected to the first driven bevel gear 215. The first driven bevel gear 215 is located to the right of the second driven bevel gear 216. The first driven bevel gear 215 and the second driven bevel gear 216 are both meshed with the transmission bevel gear 212. The left end of the cylinder 213 passes through the left end of the machine cylinder 203 and extends into the drying cylinder 201 and is fixedly connected to the blowing rod 218. The left end of the sleeve 214 passes through the left end of the machine cylinder 203 and extends into the drying cylinder 201 and is fixedly connected to the scraper 217. The scraper 217 is in contact with the drying cylinder 201 and is adapted to the blowing rod 218.
[0029] After the motor 211 starts, it can drive the shaft cylinder 213 and the bushing 214 to rotate through the relevant transmission parts, thereby causing the air blower 218 and the scraper 217 to rotate synchronously inside the drying cylinder 201. This achieves the cleaning of the inner wall of the drying cylinder 201 and the cleaning of powder on other components. At the same time, the first driven bevel gear 215 and the second driven bevel gear 216 can drive the shaft cylinder 213 and the bushing 214 to rotate in opposite directions. Thus, when cleaning is not required, the air blower 218 on the shaft cylinder 213 can blow up the powder in the drying cylinder 201 to disperse the powder, which is beneficial for drying the powder or for subsequent cooling of the powder. The scraper 217 on the bushing 214 scrapes off the powder hanging on the inner wall of the drying cylinder 201, achieving the effect of stirring the powder and improving the drying effect of the powder.
[0030] A protective cylinder 202 is fixedly connected to the left end of the drying cylinder 201. A hot air blower 207 is fixedly connected inside the protective cylinder 202. The output end of the hot air blower 207 passes through the right end of the protective cylinder 202 and extends into the interior of the drying cylinder 201.
[0031] The hot air generated by the hot air blower 207 can directly enter the drying cylinder 201. Through direct contact between the hot air and the powder, heat is transferred to the powder, thereby achieving the purpose of drying the powder.
[0032] An air pump 208 is fixedly connected inside the air inlet cylinder 204. A connecting pipe 209 is fixedly connected to the output end of the air pump 208. The connecting pipe 209 is rotatably connected to the shaft cylinder 213.
[0033] A stable and controllable air source is provided to the air blowing rod 218 connected to the end of the shaft cylinder 213 by the air pump 208. When the air pump 208 is started, the air blowing rod 218 blows out gas. This gas cooperates with the scraping action of the scraper 217 to blow the powder scraped off the inner wall of the drying cylinder 201 away from the scraper 217 itself, preventing powder residue here. This ensures that the scraper 217 is clean after each cleaning operation, which is beneficial to the effective cleaning of the drying cylinder 201 in the next operation and the purity of different batches of powder.
[0034] A filter plug 206 is fixedly connected to the top of the drying cylinder 201;
[0035] The air filter plug 206 blocks the inlet of the drying cylinder 201, and the air filter plug 206 has many small holes to facilitate the discharge of gas, but does not allow the powder to pass through. Therefore, when the powder is dried with hot air or blown up for cleaning, the powder will not be blown out of the drying cylinder 201. Removing the air filter plug 206 makes it easier to feed the powder from the inlet of the drying cylinder 201.
[0036] The bottom end of the drying cylinder 201 is provided with a discharge port, and a sealing cover 205 is snapped into the inside of the discharge port;
[0037] The sealing cover 205 facilitates the sealing of the discharge port of the drying cylinder 201, preventing the powder from being discharged from the discharge port during the drying process. When it is necessary to discharge the dried powder or to clean the drying cylinder 201, the sealing cover 205 can be easily opened, allowing the powder to be discharged smoothly from the discharge port.
[0038] The support assembly 1 includes a load-bearing base 101, the top of which is fixedly connected to the air intake cylinder 204 and the protective cylinder 202.
[0039] The load-bearing base 101 provides solid physical support for the dryer, ensuring that the entire equipment remains stable during operation and will not tip over or become unstable due to the weight of the equipment itself or vibrations during operation.
[0040] A pair of symmetrical electric push rods 102 are fixedly connected inside the load-bearing base 101, and the transmission end of the electric push rod 102 is fixedly connected to the bottom end of the sealing cover 205.
[0041] By connecting the electric push rod 102 to the sealing cover 205, the opening and closing of the sealing cover 205 can be easily controlled. When it is necessary to clean the drying cylinder 201, the sealing cover 205 can be separated from the drying cylinder 201 by the extension and retraction of the electric push rod 202, so that the residual powder in the drying cylinder 201 can be discharged smoothly, thereby realizing the function of easy cleaning of the drying cylinder 201. At the same time, it also improves the convenience and automation of the entire dryer operation to a certain extent.
[0042] Specific implementation process: First, pour the powder to be dried into the drying cylinder 201 through the feed inlet after removing the air filter plug 206. Then, reinstall the air filter plug 206. Next, start the hot air blower 207. The hot air generated by the hot air blower 207 enters the drying cylinder 201 through its output end and comes into direct contact with the powder, transferring heat to the powder to achieve the drying purpose. During the drying process, the motor 211 can be started, and the motor 211 drives the transmission bevel gear 21. 2. Rotation: Since both the first driven bevel gear 215 and the second driven bevel gear 216 mesh with the transmission bevel gear 212, and the first driven bevel gear 215 is located to the right of the second driven bevel gear 216, they can respectively drive the shaft cylinder 213 and the bushing 214 to rotate in opposite directions. The air blowing rod 218 on the shaft cylinder 213 blows up the powder in the drying cylinder 201 to disperse it, which is beneficial for drying or subsequent cooling. The scraper 217 on the bushing 214 scrapes the powder hanging on the inner wall of the drying cylinder 201. The powder is scraped off, achieving a mixing effect and further improving drying efficiency. When drying is complete and discharge is required, the electric push rod 102 inside the load base 101 is controlled to retract. The electric push rod 102 drives the sealing cover 205 to move downward, separating the sealing cover 205 from the discharge port of the drying cylinder 201. The dried powder can then be discharged from the discharge port. When the drying cylinder 201 needs to be cleaned, the electric push rod 102 is controlled to move the sealing cover 205 downward to open the discharge port. Then, the motor 211 is started to rotate the scraper 217 to scrape the inner wall of the drying cylinder 201. At the same time, the air pump 208 is started, and the air pump 208 supplies air to the shaft cylinder 213 through the connecting pipe 209, causing the air blower 218 to blow out gas. This gas blows the powder scraped off by the scraper 217 away from the scraper 217 itself and out of the discharge port, preventing powder residue from affecting the next use. This achieves effective cleaning of the drying cylinder 201 and ensures the purity of different batches of powder during processing.
[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A powder drying machine that facilitates cleaning, characterized by: Including a drying assembly (2), the lower part of the drying assembly (2) is provided with a support assembly (1); The drying assembly (2) comprises a drying cylinder (201), the right end of the drying cylinder (201) is fixedly connected with a machine cylinder (203), the right end of the machine cylinder (203) is fixedly connected with an air inlet cylinder (204), the inside of the machine cylinder (203) is fixedly connected with a U-shaped support (210), the middle part of the U-shaped support (210) is fixedly connected with a motor (211), the transmission end of the motor (211) extends to the inside of the U-shaped support (210) through the middle part of the U-shaped support (210) and is fixedly connected with a transmission bevel gear (212), the transmission end of the motor (211) is rotatably connected with the U-shaped support (210), the inside of the machine cylinder (203) is rotatably connected with a shaft cylinder (213), the middle part of the shaft cylinder (213) is rotatably connected with a shaft sleeve (214), the right end of the shaft cylinder (213) penetrates through one end of the U-shaped support (210) away from the motor (211) and extends to the inside of the air inlet cylinder (204), the shaft sleeve (214) is rotatably connected with one end of the U-shaped support (210) away from the motor (211), the middle part of the shaft sleeve (214) is fixedly connected with a second driven bevel gear (216), the middle part of the shaft cylinder (213) is fixedly connected with a first driven bevel gear (215), the first driven bevel gear (215) is located on the right side of the second driven bevel gear (216), the first driven bevel gear (215) and the second driven bevel gear (216) are engaged with the transmission bevel gear (212), the left end of the shaft cylinder (213) penetrates through the left end of the machine cylinder (203) and extends to the drying cylinder (201) and is fixedly connected with a blowing rod (218), the left end of the shaft sleeve (214) penetrates through the left end of the machine cylinder (203) and extends to the drying cylinder (201) and is fixedly connected with a scraping strip (217), the scraping strip (217) is attached to the drying cylinder (201), and the scraping strip (217) is matched with the blowing rod (218).
2. A powder drying machine for easy cleaning according to claim 1, characterized in that: The left end of the drying cylinder (201) is fixedly connected with a protective cylinder (202), the inside of the protective cylinder (202) is fixedly connected with a hot air blower (207), and the output end of the hot air blower (207) penetrates through the right end of the protective cylinder (202) and extends to the inside of the drying cylinder (201).
3. A powder drying machine for easy cleaning according to claim 1, characterized in that: The inside of the air inlet cylinder (204) is fixedly connected with an air pump (208), the output end of the air pump (208) is fixedly connected with a connecting pipe (209), and the connecting pipe (209) is rotatably connected with the shaft cylinder (213).
4. A powder drying machine for easy cleaning according to claim 1, characterized in that: The top end of the drying cylinder (201) is fixedly connected with an air filter plug (206).
5. A powder drying machine for easy cleaning according to claim 1, characterized in that: The bottom end of the drying cylinder (201) is provided with a discharge port, and the inside of the discharge port is clamped with a sealing cover (205).
6. A powder drying machine for easy cleaning according to claim 1, characterized in that: The support assembly (1) comprises a load-bearing base (101), and the top ends of the load-bearing base (101), the air inlet cylinder (204) and the protective cylinder (202) are fixedly connected.
7. A powder drying machine for ease of cleaning according to claim 6 wherein: The inside of the load-bearing base (101) is fixedly connected with a pair of symmetrical electric push rods (102), the transmission end of the electric push rod (102) is fixedly connected with the bottom end of the sealing cover (205).
Citation Information
Patent Citations
Yttria-stabilized zirconia powder drying mechanism
CN221898142U