Rice processing bran screening device with dust cover

By introducing a stirring and separating mechanism into the rice processing device, combined with a dust cover design, the problem of incomplete bran separation in the existing technology has been solved, achieving efficient separation of bran and rice and improving the bran screening quality of rice.

CN223440438UActive Publication Date: 2025-10-17YICHENG YINXIANG GRAIN & OIL CO LTD
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Patent Information

Application Number
CN202422460923.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-10-17
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

In existing rice processing equipment, controlling the vibration of the sieve plate alone cannot effectively separate bran larger than the sieve plate aperture, resulting in bran still being mixed into the rice and affecting the quality of the bran screening.

Method used

The design combines a stirring mechanism and a separation mechanism. The stirring rod stirs the rice to promote the collection of rice bran, and the external airflow and vacuum cleaner are used to separate the bran. Combined with the dust cover design, the separation efficiency and quality are improved.

Benefits of technology

It effectively separates rice bran from rice, improving the production quality and separation efficiency of rice and ensuring the purity of rice.

✦ Generated by Eureka AI based on patent content.

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Abstract

The bran screening device comprises a screening box, a feeding hopper is fixedly installed on the left side of the top of the screening box, a conical screening plate is fixedly installed in the screening box, the inner wall of the bottom of the screening box is of a conical structure, and a discharging pipe is fixedly installed at the bottom of the screening box. A stirring mechanism for stirring rice is arranged on the screening box, a separating mechanism for screening out rice bran is arranged on the screening box, the stirring mechanism comprises a base, a motor, a stirring shaft and a plurality of stirring rods, the base is fixedly installed at the top of the screening box, and the motor is fixedly installed on the base. The rice bran collecting device is reasonable in design, rice can be stirred, rice bran is promoted to fall into the rice bran collecting box through the conical sieve plate to be collected, air flow extracted from the outside can be used for blowing air to the rice above the conical sieve plate, bran is separated from the rice, the separated bran is collected, and the production quality of the rice is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing equipment technical field, concretely is a rice processing sieve bran device with dust cover. BACKGROUND

[0002] Rice is the staple food in our daily life, and bran is the shell of rice and other cereals after growth and maturity, which can be eaten, but because the shell is rough and not easy to digest, it is used as livestock feed, so the bran needs to be separated during rice processing.

[0003] According to the search of the China patent announcement No. CN216225358U, a rice processing bran screening device, the technical points are: including screening box, the left side top of screening box is installed with support, the right end of support is installed with hopper, the inside four corners of screening box are installed with support, the top of support is installed with spring, the top of spring is installed with sieve plate, the bottom two sides of sieve plate are installed with vibration motor, the top of screening box is installed with dust cover.

[0004] The above scheme still has at least the following defects in actual operation: the device cannot effectively separate the bran larger than the sieve plate aperture from the rice by controlling the vibration of the sieve plate only, which easily leads to the rice still containing bran, affecting the quality of rice bran screening. Therefore, we propose a rice processing bran screening device with dust cover to solve the above problems. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a rice processing bran screening device with dust cover, which solves the problem that the bran larger than the sieve plate aperture cannot be effectively separated from the rice by controlling the vibration of the sieve plate only, which easily leads to the rice still containing bran, affecting the quality of rice bran screening.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a rice processing bran screening device with dust cover, including screening box, the top left side of screening box is fixedly installed with feeding hopper, the inside of screening box is fixedly installed with conical sieve plate, the bottom inner wall of screening box is conical structure, the bottom of screening box is fixedly installed with discharge pipe, the screening box is provided with stirring mechanism for stirring rice, and the screening box is provided with separation mechanism for screening rice bran.

[0009] Preferably, the stirring mechanism comprises a base, a motor, a stirring shaft and a plurality of stirring rods, the base is fixedly installed on the top of the screening box, the motor is fixedly installed on the base, the stirring shaft is fixedly installed on the output shaft end of the motor, and the plurality of stirring rods are fixedly installed on the stirring shaft and uniformly distributed.

[0010] Preferably, the bottom of the conical sieve plate is fixedly installed with a discharging pipe, and the discharging pipe is fixedly installed with a discharging electromagnetic valve.

[0011] Preferably, the separating mechanism comprises a plurality of fixing blocks, an annular guide pipe, a plurality of support rods, a plurality of nozzles, a plurality of connecting pipes, a fan, an air suction pipe and an air exhaust pipe, the plurality of fixing blocks are fixedly installed on the annular inner wall of the screening box and uniformly distributed, the annular guide pipe is fixedly installed on the side where the fixing blocks are close to each other, the plurality of support rods are fixedly installed on the top of the annular guide pipe and uniformly distributed, the plurality of nozzles are fixedly installed on the top ends of the corresponding support rods respectively, the plurality of connecting pipes are fixedly installed on the plurality of nozzles respectively, the ends of the plurality of connecting pipes away from the corresponding nozzles are fixedly connected with the annular guide pipe, the fan is fixedly installed on the right side of the screening box, the air suction pipe is fixedly installed on the suction end of the fan, the air exhaust pipe is fixedly installed on the exhaust end of the fan, and the end of the air exhaust pipe away from the fan is fixedly connected with the annular guide pipe.

[0012] Preferably, the separating mechanism further comprises a dust collector, a dust suction pipe, a dust suction cover, a dust collecting box and a dust discharge pipe, the dust collector is fixedly installed on the top of the screening box, the dust suction pipe is fixedly installed on the input end of the dust collector, the dust suction cover is fixedly installed on the end of the dust suction pipe away from the dust collector and located in the screening box, the dust collecting box is fixedly installed above the right side of the screening box, the dust discharge pipe is fixedly installed on the output end of the dust collector, and the end of the dust discharge pipe away from the dust collector extends into the dust collecting box.

[0013] Preferably, the end of the air suction pipe away from the fan is detachably installed with a filter box, and a dustproof filter screen is detachably installed in the filter box.

[0014] Preferably, the top of the feeding hopper is rotatably installed with a dustproof cover.

[0015] Preferably, the bottom end of the discharging pipe is detachably installed with a rice bran collecting box.

[0016] Preferably, the bottom end of the discharging pipe is detachably installed with a rice bran collecting box.

[0017] Preferably, the front side of the screening box is provided with an inspection opening, and an inspection door is rotatably installed in the inspection opening.

[0018] (Three) beneficial effects

[0019] The utility model provides a sieve bran device with dust cover for rice processing.

[0020] (1), this sieve bran device with dust cover for rice processing, through utilizing by base, motor, stirring axle and multiple stirring rod combination constitute's stirring mechanism, can utilize multiple stirring rod's rotation to rice and is stirred, promotes the rice bran to fall into the rice bran collection box through the conical sieve plate and is collected.

[0021] (2), this sieve bran device with dust cover for rice processing, through utilizing by multiple fixed block, annular pipe, multiple support rod, multiple shower nozzle, multiple connecting pipe, fan, induced draft pipe and exhaust pipe combination's joint action, can utilize the air current of outside extraction through multiple shower nozzle to the rice above conical sieve plate and is blown, makes bran and rice separate, promotes separation efficiency.

[0022] (3), this sieve bran device with dust cover for rice processing, through utilizing by dust catcher, dust absorption pipe, dust absorption cover, dust collection box and dust exhaust pipe combination's joint action, can suck the bran of separation, is transported to the dust collection box and is collected, promotes the production quality of rice. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the main view's sectional structure schematic diagram of the utility model;

[0025] Figure 3 It is Figure 2 It is the enlarged schematic diagram of A part in;

[0026] Figure 4 It is the sectional three-dimensional structure schematic diagram of the utility model.

[0027] In the drawing: 1, sieve box;2, feed hopper;3, conical sieve plate;4, discharge pipe;5, base;6, motor;7, stirring axle;8, stirring rod;9, discharging pipe;10, discharging electromagnetic valve;11, fixed block;12, annular pipe;13, support rod;14, shower nozzle;15, connecting pipe;16, fan;17, induced draft pipe;18, exhaust pipe;19, dust catcher;20, dust absorption pipe;21, dust absorption cover;22, dust collection box;23, dust exhaust pipe;24, filter box;25, dustproof filter screen;26, dust cover;27, discharge hopper;28, rice collection box;29, rice bran collection box;30, access door. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] As shown in Figures 1-4 The utility model provides a kind of technical scheme with dust cover for rice processing with bran screening device, including screening box 1, the front side of screening box 1 is equipped with access hole, access hole is rotatably installed with access door 30, the top left side of screening box 1 is fixedly installed with feed hopper 2, the top of feed hopper 2 is rotatably installed with dust cover 26, conical sieve plate 3 is fixedly installed in screening box 1, the bottom of conical sieve plate 3 is fixedly installed with discharge pipe 9, discharge pipe 9 is fixedly installed with discharge solenoid valve 10, the bottom inner wall of screening box 1 is conical structure, the bottom of screening box 1 is fixedly installed with discharge pipe 4, screening box 1 is provided with the stirring mechanism that is used to agitate rice, screening box 1 is provided with the separation mechanism for screening rice bran.

[0030] In the embodiment, the above-mentioned stirring mechanism includes a base 5, a motor 6, a stirring shaft 7 and a plurality of stirring rods 8, the base 5 is fixedly installed on the top of the screening box 1, the motor 6 is fixedly installed on the base 5, the stirring shaft 7 is fixedly installed on the output shaft end of the motor 6, and the plurality of stirring rods 8 are fixedly installed on the stirring shaft 7 and are uniformly distributed.

[0031] In the embodiment, the separating mechanism includes a plurality of fixed blocks 11, an annular conduit 12, a plurality of support rods 13, a plurality of nozzles 14, a plurality of connecting pipes 15, a fan 16, an air suction pipe 17 and an air exhaust pipe 18. The fixed blocks 11 are fixedly installed on the inner annular wall of the screening box 1 and are uniformly distributed. The annular conduit 12 is fixedly installed on the side where the fixed blocks 11 are close to each other. The support rods 13 are fixedly installed on the top of the annular conduit 12 and are uniformly distributed. The nozzles 14 are fixedly installed on the top end of the corresponding support rods 13. The connecting pipes 15 are fixedly installed on the nozzles 14. The ends of the connecting pipes 15 away from the nozzles 14 are fixedly connected with the annular conduit 12. The fan 16 is fixedly installed on the right side of the screening box 1. The air suction pipe 17 is fixedly installed on the suction end of the fan 16. The end of the air suction pipe 17 away from the fan 16 is detachably installed with a filter box 24. The filter box 24 is detachably installed with a dustproof filter screen 25. The dustproof filter screen 25 can effectively prevent dust and impurities from the outside from entering the screening box 1 to pollute the rice. The air exhaust pipe 18 is fixedly installed on the exhaust end of the fan 16. The end of the air exhaust pipe 18 away from the fan 16 is fixedly connected with the annular conduit 12. The separating mechanism further includes a dust collector 19, a dust suction pipe 20, a dust suction cover 21, a dust collection box 22 and a dust discharge pipe 23. The dust collector 19 is fixedly installed on the top of the screening box 1. The dust suction pipe 20 is fixedly installed on the input end of the dust collector 19. The dust suction cover 21 is fixedly installed on the end of the dust suction pipe 20 away from the dust collector 19 and is located in the screening box 1. The dust suction cover 21 can improve the efficiency of sucking the bran. The dust collection box 22 is fixedly installed above the right side of the screening box 1. It should be noted that the dust collection box 22 is provided with a filter screen. The bran conveyed into the dust collection box 22 can be filtered and collected. The filtered air is discharged through the air outlet holes provided on the right side of the dust collection box 22. The dust discharge pipe 23 is fixedly installed on the output end of the dust collector 19. The end of the dust discharge pipe 23 away from the dust collector 19 extends into the dust collection box 22.

[0032] In the embodiment, the bottom end of the discharging pipe 9 is fixedly installed with a discharging hopper 27. The end of the discharging hopper 27 away from the discharging pipe 9 extends to the left side of the screening box 1. The left side of the screening box 1 is provided with a rice collection box 28 located below the discharging hopper 27. The bottom end of the discharging pipe 4 is detachably installed with a bran collection box 29.

[0033] In the embodiment, a control box is installed on the screening box 1. A plurality of control buttons are provided on the control box. The motor 6, the discharging electromagnetic valve 10, the fan 16 and the dust collector 19 are electrically connected with the power line in the control box through wires. The control buttons can be used to control the start and stop of the motor 6, the discharging electromagnetic valve 10, the fan 16 and the dust collector 19.

[0034] Through the above structure, the rice processing sieve bran device with dust cover can use the rotation of the plurality of stirring rods 8 to stir the rice, promote the rice bran to fall into the rice bran collecting box 29 through the conical sieve plate 3 for collection, and can also use the air flow extracted from the outside to blow the rice above the conical sieve plate 3, so that the bran and the rice are separated, and the separated bran is sucked and transported into the dust collecting box 22 for collection, thereby improving the production quality of the rice. In specific use, the rice is added into the screening box 1 through the feeding hopper 2, and the dust cover 26 is covered, the motor 6 is controlled to operate, the motor 6 drives the stirring shaft 7 and the plurality of stirring rods 8 to rotate, thereby stirring the rice, promoting the rice bran in the rice to pass through the conical sieve plate 3 into the rice bran collecting box 29 for collection, the fan 16 and the dust collector 19 are controlled to operate, the fan 16 extracts the air outside to be pressurized and transported into the annular conduit 12, and blows the rice on the conical sieve plate 3 through the plurality of nozzles 14, so that the bran mixed in the rice is separated, the suction force generated by the dust collector 19 sucks the flying bran and transports it into the dust collecting box 22 for collection, and when the rice is fully screened, the unloading electromagnetic valve 10 is opened, so that the rice falls into the rice collecting box 28 through the unloading hopper 27 for collection.

[0035] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rice bran screening device with a dust cover for rice processing, characterized in that: The invention comprises a screening box (1), a feed hopper (2) is fixedly installed on the left side of the top of the screening box (1), a conical screen plate (3) is fixedly installed in the screening box (1), the bottom inner wall of the screening box (1) is a conical structure, a discharge pipe (4) is fixedly installed at the bottom of the screening box (1), a stirring mechanism for stirring rice is provided on the screening box (1), and a separation mechanism for screening out rice bran is provided on the screening box (1); the separation mechanism comprises a plurality of fixed blocks (11), an annular conduit (12), a plurality of support rods (13), a plurality of nozzles (14), a plurality of connecting pipes (15), a fan (16), an exhaust pipe (17) and an exhaust pipe (18), a plurality of the fixing blocks (11) are fixedly mounted on the annular inner wall of the screening box (1) and are evenly distributed, the annular duct (12) is fixedly mounted on a side where the plurality of the fixing blocks (11) are close to each other, a plurality of the support rods (13) are fixedly mounted on the top of the annular duct (12) and are evenly distributed, a plurality of the nozzles (14) are respectively fixedly mounted on the top of the corresponding support rods (13), and a plurality of the connecting pipes (15) are respectively fixedly mounted on the plurality of the nozzles (14). , one end of the plurality of connecting pipes (15) away from the corresponding nozzle (14) is fixedly connected to the annular duct (12), the fan (16) is fixedly installed on the right side of the screening box (1), the exhaust pipe (17) is fixedly installed at the suction end of the fan (16), the exhaust pipe (18) is fixedly installed at the discharge end of the fan (16), and the end of the exhaust pipe (18) away from the fan (16) is fixedly connected to the annular duct (12); the separation mechanism also includes a dust collector (19), a dust collection pipe (20), a dust collection hood (21), a dust collection box (22) and an exhaust The dust pipe (23) is fixedly mounted on the top of the screening box (1), the dust pipe (20) is fixedly mounted on the input end of the dust collector (19), the dust hood (21) is fixedly mounted on the end of the dust pipe (20) away from the dust collector (19) and is located in the screening box (1), the dust collecting box (22) is fixedly mounted on the upper right side of the screening box (1), the dust exhaust pipe (23) is fixedly mounted on the output end of the dust collector (19), and the end of the dust exhaust pipe (23) away from the dust collector (19) extends into the dust collecting box (22).

2. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: The stirring mechanism comprises a base (5), a motor (6), a stirring shaft (7) and a plurality of stirring rods (8); the base (5) is fixedly mounted on the top of the screening box (1); the motor (6) is fixedly mounted on the base (5); the stirring shaft (7) is fixedly mounted on the output shaft end of the motor (6); and the plurality of stirring rods (8) are fixedly mounted on the stirring shaft (7) and are evenly distributed.

3. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: A discharge pipe (9) is fixedly mounted on the bottom of the conical sieve plate (3), and a discharge solenoid valve (10) is fixedly mounted on the discharge pipe (9).

4. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: A filter box (24) is detachably mounted on one end of the exhaust pipe (17) away from the fan (16), and a dustproof filter screen (25) is detachably mounted in the filter box (24).

5. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: A dust cover (26) is rotatably mounted on the top of the feed hopper (2).

6. The rice bran screening device with a dustproof cover for rice processing according to claim 3, characterized in that: A discharge hopper (27) is fixedly mounted at the bottom end of the discharge pipe (9), and the discharge hopper (27) extends away from one end of the discharge pipe (9) to the left side of the screening box (1). A rice collection box (28) is provided on the left side of the screening box (1) and is located below the discharge hopper (27).

7. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: A rice bran collecting box (29) is detachably mounted on the bottom end of the discharge pipe (4).

8. The rice bran screening device with a dustproof cover for rice processing according to claim 1, characterized in that: An inspection opening is provided on the front side of the screening box (1), and an inspection door (30) is rotatably installed in the inspection opening.

Citation Information

Patent Citations

  • Rice processing bran screening device

    CN216225358U