Powder filtering device for nutritious meal package
By installing baffles and fans inside the filter box to separate large grain particles, and installing cleaning racks and discharge rollers inside the fine material chamber, the problems of easy clogging and dust generation in the filter device are solved, achieving efficient grain powder separation and environmental cleanliness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-24
AI Technical Summary
Existing grain powder filtration devices are easily clogged by large grain particles, and dust is easily generated during the powder filtration process, affecting the cleanliness of the processing environment and causing raw material waste.
A partition is installed inside the filter box to divide it into a coarse material chamber and a fine material chamber. A blower is used to separate large and small grain particles. A cleaning rack and discharge roller are installed in the fine material chamber to block the fine material discharge port, thereby separating the filtration and collection parts, preventing dust, and the filter screen is cleaned regularly by the cleaning rack.
It effectively separates large and small grain particles, reduces clogging frequency, ensures continuous filtration operation and environmental cleanliness, and reduces raw material waste.
Smart Images
Figure CN224025691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the production field of nutrition meal bag, specifically a powder filtering device of nutrition meal bag. BACKGROUND
[0002] Some nutrition meal bags made of grain powder need to crush the grain into powder in the production process, facilitate the use in subsequent brewing, need to filter the grain after crushing to avoid the existence of large grain in it to affect the eating taste, but the device for filtering the grain powder is easy to be blocked by large grain in use, needs to stop frequently to clean, and the grain powder is fine, is easy to form dust in the filtering and collecting process, affects the cleanness of processing environment, causes the waste of part of raw materials. SUMMARY
[0003] The utility model discloses a powder filtering device of nutrition meal bag, it can solve the technical problem that the existing grain powder filtering device is easy to block and powder floats and is easy to form dust, increase the size of filtering component and set up automatic cleaning structure, reduce the frequency of blocking and cleaning, and separate filtering component and collection structure, avoid the dust brought when collecting powder, guarantee the cleanness of processing environment.
[0004] The utility model discloses a powder filtering device of nutrition meal bag, it can solve the technical problem that the existing grain powder filtering device is easy to block and powder floats and is easy to form dust, increase the size of filtering component and set up automatic cleaning structure, reduce the frequency of blocking and cleaning, and separate filtering component and collection structure, avoid the dust brought when collecting powder, guarantee the cleanness of processing environment.
[0005] A kind of powder filtering device of nutrition meal bag, including filter box, the top of the filter box is equipped with feed hopper, the inside of the filter box is equipped with partition, the inside of the filter box is divided into coarse material cavity and fine material cavity by the partition, the bottom of the coarse material cavity and fine material cavity is equipped with coarse material discharge port and fine material discharge port respectively, the feed hopper is located above the coarse material cavity, the partition is equipped with through-hole, the through-hole is equipped with semispherical filter screen, the side wall opposite to the partition in the coarse material cavity is equipped with fan, the coarse material cavity and fine material cavity are equipped with coarse material drop port and fine material drop port respectively, the lower side of the fine material drop port is rotatably connected with discharge roller, the discharge roller is equipped with multiple storage grooves for cooperating with the fine material drop port, the fine material cavity is rotatably connected with cleaning frame for cleaning semispherical filter screen.
[0006] Further, the longitudinal section of the cleaning frame is arc-shaped and adapted to the semispherical filter screen, the fine material cavity is provided with a cleaning motor, and one end of the cleaning frame is provided with a rotating shaft fixed to the output shaft of the cleaning motor.
[0007] Further, one side of the cleaning frame is provided with an arc-shaped cleaning brush in contact with the semispherical filter screen.
[0008] Further, the side wall of the coarse material cavity is provided with an air inlet, the fan is arranged in the air inlet, and a dust screen is arranged at the air inlet.
[0009] Further, the two sides of the coarse material drop opening and the fine material drop opening are symmetrically provided with drop inclined plates.
[0010] Further, the feeding hopper is funnel-shaped with a wide upper part and a narrow lower part, and the top of the fine material cavity is provided with an exhaust pipe.
[0011] Further, the bottom of the coarse material cavity and the fine material cavity is respectively provided with an inclined slope inclined towards the coarse material outlet and the fine material outlet.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The utility model discloses a filter box is provided with a baffle in the inside, and the inside of the filter box is divided into a coarse material cavity and a fine material cavity, grain powder enters the coarse material cavity from a feeding hopper, air is blown towards the grain powder through the fan on the side wall of the coarse material cavity, the powder with small size passes through the hemispherical filter screen on the baffle and enters the fine material cavity, and then passes through the fine material drop opening below and is discharged from the fine material outlet, while the grain with large size is blocked and then passes through the coarse material drop opening below and is discharged from the coarse material outlet, so that the effective separation of the grain with large size in the grain powder is realized, the setting of the hemispherical filter screen can increase the filtering area, and the probability of blockage is reduced to a certain extent, and the cleaning frame is rotatably connected in the fine material cavity and is used for regularly cleaning the hemispherical filter screen by rotating, so that the possibility of blockage of the filtering assembly is greatly reduced, and the continuity and durability of the filtering operation are ensured.
[0014] 2. The discharge roller is rotatably connected below the fine material drop opening, and a plurality of storage grooves matched with the fine material drop opening are arranged on the discharge roller, so that the discharge roller is used for plugging the fine material drop opening, so that the filtering part and the collecting part in the filter box are isolated, dust is avoided from being formed by the fine grain powder in the filtering part entering the collecting part, the fine grain powder falling in the fine material drop opening under the action of gravity is accumulated in the storage groove of the discharge roller, after a certain amount of grain powder is collected, the discharge roller rotates, so that the next empty storage groove rotates to the fine material drop opening, while the full storage groove rotates to the side, and then the grain powder in the full storage groove falls downward and is discharged from the fine material outlet, so that the filtering part and the collecting part of the grain powder are effectively separated, dust is reduced, the grain powder is smoothly discharged, the processing environment is kept clean, and the waste of grain powder raw materials is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] ATTACHED Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0016] ATTACHED Figure 2 It is the right view of the utility model.
[0017] Figure 2 is a perspective view of the filter box of the present application. Figure 3 Figure 3 is a sectional view of the filter box of the present application. Figure 2 Figure 4 is a sectional view of the filter box of the present application.
[0018] Figure 5 is a perspective view of the filter box of the present application. Figure 4 Figure 6 is a sectional view of the filter box of the present application. Figure 3 Figure 7 is a sectional view of the filter box of the present application.
[0019] Reference signs in the drawings:
[0020] 1, filter box; 2, feeding hopper; 3, partition; 4, coarse material cavity; 5, fine material cavity; 6, coarse material discharge port; 7, fine material discharge port; 8, through hole; 9, semispherical filter screen; 10, fan; 11, coarse material drop port; 12, fine material drop port; 13, discharge roller; 14, storage tank; 15, cleaning frame; 16, cleaning motor; 17, rotating shaft; 18, arc-shaped cleaning brush; 19, air inlet; 20, dust screen; 21, drop inclined plate; 22, exhaust pipe; 23, slope. DETAILED DESCRIPTION
[0021] The present application will be further described below in connection with specific embodiments. It should be understood that these embodiments are only used to illustrate the present application and not used to limit the scope of the present application. Furthermore, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the present application.
[0022] Reference is made to Figure 1 and Figure 2The utility model discloses a kind of powder filtering devices of nutrition meal bag, main body structure includes filter box 1, filter box 1 adopts metal material, as the main place of filtration, the top of the filter box 1 is equipped with feed hopper 2, grain powder enters filter box 1 from feed hopper 2, the inside of the filter box 1 is fixed with baffle 3 by welding or bolt, baffle 3 is arranged along vertical, the inside of the filter box 1 is divided into coarse cavity 4 and fine cavity 5 by baffle 3, such structure makes that the large grain grain in grain powder enters coarse cavity 4, small grain grain powder enters suction cavity, the bottom of the coarse cavity 4 and fine cavity 5 is equipped with coarse discharge port 6 and fine discharge port 7 respectively, it is convenient to respectively collect small grain grain powder and large grain grain powder, feed hopper 2 is located above coarse cavity 4, grain powder from feed hopper 2 falls down to the top of coarse cavity 4 uniformly, baffle 3 is equipped with through hole 8, and grain powder can pass through through hole 8 after falling and enter fine cavity 5, half-sphere filter screen 9 is fixed at through hole 8 by welding or bolt, and the main part of half-sphere filter screen 9 is located in fine cavity 5, the sidewall opposite baffle 3 in coarse cavity 4 is equipped with fan 10, and fan 10 blows wind along the direction of transverse to through hole 8, such structure makes that grain powder from feed hopper 2 falls down along coarse cavity 4, and is blown to half-sphere filter screen 9 after passing through transverse wind, small grain grain powder passes through half-sphere filter screen 9 and enters fine cavity 5, and large grain grain is blocked and falls down, to realize the smooth separation of large grain grain and small grain grain, coarse cavity 4 and fine cavity 5 are equipped with coarse material drop port 11 and fine material drop port 12 respectively, grain passes through lower coarse material drop port 11 and is discharged from discharge port, and grain passes through lower fine material drop port 12 and is discharged from fine discharge port 7, to realize the collection of grain and grain respectively, the setting of half-sphere filter screen 9 further increases the area of filtration, so that large grain grain is not easy to block filter assembly, and the frequency of subsequent cleaning is reduced, the lower side of fine material drop port 12 is rotatably connected with discharge roller 13 through bearing, discharge roller 13 is driven to rotate using motor, and discharge roller 13 blocks fine material drop port 12, a plurality of storage grooves 14 for cooperating with fine material drop port 12 are arranged on discharge roller 13, and the size of storage groove 14 is adapted to fine material drop port 12, such structure makes that discharge roller 13 blocks fine material drop port 12, so that the wind with grain in filtering part cannot pass through fine material drop port 12 and enter fine discharge port 7 of collection part, so that filtering part and collection part of grain powder are separated, avoid that the wind with grain directly discharges from fine discharge port 7 and causes dust raising, ensure the cleanness of processing environment, reduce the waste of grain powder raw material, after storage groove 14 is filled with grain powder falling due to gravity, discharge roller 13 rotates,The other empty storage tank 14 is rotated to the fine material outlet 7, and the storage tank 14 full of fine grain is rotated to the side or below, so that the fine powder in the storage tank 14 falls down smoothly and is discharged from the fine material outlet 7, avoiding dust and ensuring the smooth discharge and collection of the fine grain. The cleaning frame 15 for cleaning the semispherical filter screen 9 is rotatably connected to the fine material cavity 5 by a bearing. The cleaning frame 15 can be regularly started to clean the semispherical filter screen 9, and the large particles of grain on the semispherical filter screen 9 can be removed without stopping the machine, avoiding the possibility of clogging of the filter assembly, ensuring the continuity of the filtering operation, and reducing the difficulty of cleaning.
[0023] Preferably, referring to Figure 3 , the longitudinal section of the cleaning frame 15 is arc-shaped and matched with the semispherical filter screen 9. The structure enables the cleaning frame 15 to fully contact with each part of the semispherical filter screen 9 when rotating, so that the large particles of grain on the semispherical filter screen 9 are more completely cleaned, greatly improving the cleaning effect. The cleaning motor 16 is fixed in the fine material cavity 5 by welding or bolts. One end of the cleaning frame 15 is fixed with a rotating shaft 17 by welding or bolts. The rotating shaft 17 is fixed on the output shaft of the cleaning motor 16 by welding or bolts. The structure drives the rotating shaft 17 and the cleaning frame 15 to rotate by the cleaning motor 16, so that the arc-shaped cleaning frame 15 contacts and cleans each part of the semispherical filter screen 9 after rotating, making the cleaning of the semispherical filter screen 9 more convenient and efficient.
[0024] Preferably, one side of the cleaning frame 15 is fixed with an arc-shaped cleaning brush 18 by welding or bolts. The arc-shaped cleaning brush 18 contacts the semispherical filter screen 9. The arc-shaped cleaning brush 18 can be made of nylon or stainless steel, which can more efficiently and completely clean the semispherical filter screen 9.
[0025] Preferably, referring to Figure 4 , the sidewall of the coarse material cavity 4 is provided with a through air inlet 19, which facilitates the entry of external air. The fan 10 is arranged in the air inlet 19. The air inlet 19 is provided with a dust screen 20. The dust screen 20 can greatly reduce the content of impurities in the air entering the filter box 1, avoid pollution of the grain powder, and ensure the quality of the grain powder.
[0026] Preferably, the coarse material discharge port 11 and the fine material discharge port 12 are symmetrically provided with discharge inclined plates 21 on both sides. The two inclined discharge inclined plates 21 can make the falling grain powder concentrate and fall along the inclined direction towards the coarse material discharge port 11 or the fine material discharge port 12, avoiding the accumulation of grain powder and improving the smoothness of the grain powder after filtering.
[0027] Preferably, the feed hopper 2 is funnel-shaped with a wide top and a narrow bottom, so that the grain powder can fall more smoothly from the feed hopper 2, avoiding the occurrence of stacking phenomenon, so that the feeding is more smooth, the top of the fine material cavity 5 is provided with an exhaust pipe 22, the exhaust pipe 22 is provided with a screen plate, so that the air of the air blower 10 can be discharged from the top exhaust pipe 22, the exhaust pipe 22 arranged at the top can make the grain powder in it automatically separate under the action of gravity, so that the content of grain powder in the discharged air is greatly reduced, the screen plate at the exhaust pipe 22 can filter and block the grain powder, further reducing the waste of grain powder raw materials.
[0028] Preferably, the bottom of the coarse material cavity 4 and the fine material cavity 5 is respectively provided with an inclined slope 23 inclined to the coarse material discharge port 6 and the fine material discharge port 7, the arrangement of the inclined slope 23 enables the material after falling to accurately slide along the inclined slope 23 towards the coarse material discharge port 6 and the fine material discharge port 7 when discharging, so that the discharging is more smooth.
[0029] Working principle: the utility model discloses the inside setting baffle 3 of filter box 1, the inside of filter box 1 is divided into coarse material cavity 4 and fine material cavity 5, grain powder enters coarse material cavity 4 from feed hopper 2, is blown to grain powder through fan 10 on the side wall of coarse material cavity 4, so that the powder of smaller size passes through the hemispherical filter screen 9 on baffle 3 and enters fine material cavity 5, and passes through the lower fine material drop port 12 and is discharged from fine material discharge port 7, while the large grain of grain is blocked and passes through the lower coarse material drop port 11 and is discharged from coarse material discharge port 6, so as to realize the effective separation of large grain of grain powder, the setting of hemispherical filter screen 9 can increase the area of filtration, reduce the probability of blockage to a certain extent, and the cleaning frame 15 is rotatably connected in the fine material cavity 5 and is used for regularly cleaning the hemispherical filter screen 9 by rotating, so that the possibility of filter assembly blockage is greatly reduced, and the continuity and durability of the filtering operation are ensured;The discharge roller 13 is rotatably connected below the fine material drop port 12, and the discharge roller 13 is provided with a plurality of storage grooves 14 matched with the fine material drop port 12, and the structure utilizes the discharge roller 13 to block the fine material drop port 12, so that the filtering part and the collecting part in the filter box 1 are isolated, dust is avoided from being formed by the fine grain powder carried by the wind into the collecting part, the fine grain powder falling under the action of gravity at the fine material drop port 12 is accumulated in the storage groove 14 of the discharge roller 13, after collecting a certain amount, the discharge roller 13 rotates, so that the next empty storage groove 14 rotates to the fine material drop port 12, while the full storage groove 14 rotates to the side, and the grain powder in the full storage groove 14 falls downward and is discharged from the fine material discharge port 7, realizing the effective separation of the filtering part and the collecting part of the grain powder, reducing dust, ensuring the smooth discharge of the grain powder, ensuring the cleanness of the processing environment, and reducing the waste of grain powder raw materials.
Claims
1. A powder filtration device for a nutritional meal pack, comprising a filter box (1), wherein a feed hopper (2) is provided at the top of the filter box (1), characterized in that: The filter box (1) is equipped with a partition (3) inside, which divides the interior of the filter box (1) into a coarse material chamber (4) and a fine material chamber (5). The bottom of the coarse material chamber (4) and the fine material chamber (5) are respectively provided with a coarse material outlet (6) and a fine material outlet (7). The feed hopper (2) is located above the coarse material chamber (4). The partition (3) is provided with a through hole (8), and a hemispherical filter screen (9) is provided at the through hole (8). The coarse material chamber (4) is connected to the feed hopper (5). A fan (10) is provided on the opposite side wall of the partition (3). The coarse material chamber (4) and the fine material chamber (5) are respectively provided with a coarse material discharge port (11) and a fine material discharge port (12). A discharge roller (13) is rotatably connected below the fine material discharge port (12). The discharge roller (13) is provided with a plurality of storage troughs (14) for use with the fine material discharge port (12). A cleaning frame (15) for cleaning the hemispherical filter screen (9) is rotatably connected inside the fine material chamber (5).
2. The powder filtering device for a nutritional meal pack according to claim 1, characterized in that: The longitudinal section of the cleaning frame (15) is an arc shape adapted to the hemispherical filter screen (9). The fine material chamber (5) is equipped with a cleaning motor (16). One end of the cleaning frame (15) is equipped with a rotating shaft (17), which is fixed on the output shaft of the cleaning motor (16).
3. The powder filtering device for a nutritional meal pack according to claim 2, characterized in that: The cleaning rack (15) has an arc-shaped cleaning brush (18) on one side, which is in contact with the hemispherical filter screen (9).
4. The powder filtering device for a nutritional meal pack according to claim 1, characterized in that: The coarse material chamber (4) has an air inlet (19) on its side wall, and the blower (10) is installed inside the air inlet (19). A dustproof net (20) is provided at the air inlet (19).
5. The powder filtering device for a nutritional meal pack according to claim 1, characterized in that: Both sides of the coarse material discharge port (11) and the fine material discharge port (12) are symmetrically provided with discharge ramps (21).
6. The powder filtering device for a nutritional meal pack according to claim 1, characterized in that: The feed hopper (2) is a funnel shape that is wider at the top and narrower at the bottom, and the top of the fine material chamber (5) is provided with an exhaust pipe (22).
7. The powder filtering device for a nutritional meal pack according to claim 1, characterized in that: The bottom of the coarse material chamber (4) and the fine material chamber (5) are respectively provided with ramps (23) that slope towards the coarse material outlet (6) and the fine material outlet (7).