Rice processing and sorting device capable of reducing broken rice rate
By designing an inclined screen and a reciprocating screw structure, combined with a motor drive and dust removal system, the problem of difficult removal of broken rice in traditional rice screening has been solved, achieving efficient screening and dust removal, and improving rice quality and the production environment.
Patent Information
- Application Number
- CN202422894200.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional rice screening methods make it difficult to completely remove broken rice, resulting in poor screening effects and affecting rice quality and the taste of cooked rice.
The system employs an inclined screen and reciprocating screw structure, combined with a motor-driven reciprocating screw rotation and a slider fork design, to achieve uniform rice discharge and screening, while a dust removal system prevents dust from spreading.
It improves the rice screening effect, reduces the broken rice rate, ensures rice quality, reduces dust pollution, and improves the cleanliness of the production environment.
Smart Images
Figure CN223915869U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of rice sorting technology, specifically relating to a rice processing and sorting device that reduces the broken rice rate. Background Technology
[0002] Rice, the hulled grain of paddy, is a food made from paddy through processes such as cleaning, hulling, milling, and finishing.
[0003] During rice processing, broken rice is inevitably produced. Excessive broken rice affects the taste and appearance of cooked rice. To reduce the proportion of broken rice, improve rice quality, enhance the overall taste of cooked rice, produce high-quality rice that better meets market demands, and improve market competitiveness, it is necessary to reduce the proportion of broken rice through screening. However, traditional rice screening typically involves directly feeding rice onto a sieve, which easily leads to rice accumulation on the sieve, making it difficult to completely and effectively screen the rice. Some broken rice is difficult to remove, resulting in poor rice screening performance. Therefore, this application proposes a rice processing and sorting device to reduce the broken rice rate. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a rice processing and sorting device that reduces the broken rice rate, and to solve the technical problem of poor rice screening effect under the existing technology.
[0005] Technical solution
[0006] To solve the above-mentioned technical problems, this utility model provides a rice processing and sorting device for reducing the broken rice rate, including a sorting box, a screen inclinedly arranged inside the sorting box, a feeding hopper mounted on the top of the sorting box, a connecting pipe arranged at the bottom of the feeding hopper, a discharge pipe rotatably connected to the bottom end of the connecting pipe, the discharge pipe being arranged downwardly towards the side with the higher part of the screen, a reciprocating screw and a motor for driving the reciprocating screw to rotate rotatably mounted above the sorting box, the reciprocating screw being distributed along the width direction of the screen, a slider being spirally fitted on the reciprocating screw, and a fork being provided at the bottom of the slider and clamped on the discharge pipe.
[0007] Preferably, the bottom of the sorting box has a bucket-shaped structure and is provided with a second discharge port, and the bottom of the end wall of the sorting box facing the lower end of the screen has a first discharge port.
[0008] Preferably, a fixing strip is horizontally fixed on the side wall of the sorting box, and support columns are vertically fixed at both ends of the bottom of the fixing strip.
[0009] Preferably, the top of the sorting box is covered with a shell, the feed hopper is assembled on the shell, the reciprocating screw is rotatably installed inside the shell, the motor is installed on the outer wall of the shell, and the upper surface of the slider is slidably attached to the inner top wall of the shell.
[0010] Preferably, a dust collection box is fitted on the top of the housing, and through slots are aligned on the bottom wall of the dust collection box and the top wall of the housing. Frames are fixedly embedded on both side walls of the dust collection box, and fans are fitted inside the frames. Dust-proof cotton is provided inside the dust collection box near the frames.
[0011] Preferably, a mesh is provided at one end of the frame facing the outside of the dust collection box, and an assembly frame is bolted to the inside of the dust collection box near the frame, and the dust-proof cotton is assembled inside the assembly frame.
[0012] Preferably, a partition is vertically fixed on the bottom wall of the dust collector near the through groove, and a gap is left between the top of the partition and the top wall of the dust collector.
[0013] Beneficial effects
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This invention utilizes a feeding hopper to feed rice into the rice, which is then discharged through a connecting pipe and a discharge pipe to one end of the screen at its highest point. The rice rolls along the inclined screen for screening, and intact rice grains that have passed through the screen are discharged from the first outlet, thus achieving the purpose of rice screening, reducing the broken rice rate, and ensuring rice quality. Furthermore, by starting a motor to drive a reciprocating screw to rotate, a slider is driven to slide back and forth along the inner top wall of the casing. The slider drives a fork to rotate the discharge pipe back and forth, ensuring that the rice is evenly distributed at one end of the screen. Compared to the method of directly feeding rice to one end of the screen, this structure, which uses the reciprocating rotation of the discharge pipe to disperse and guide the rice, avoids the problem of rice piling up on the screen and reducing the screening effect of broken rice, thereby improving the screening efficiency.
[0016] The cover on top of the sorting box prevents the rice from being discharged and dust from spreading during the screening process. The fan is activated to draw air out of the dust collection box, creating negative pressure inside. The dust in the sorting box is drawn into the dust collection box and trapped inside by the dust-proof cotton and partitions, thus achieving the purpose of dust removal and reducing dust pollution during the rice screening process. Attached image description:
[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the sorting box in this utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the housing in this utility model;
[0021] Figure 4 This is a schematic diagram of the feed hopper in this utility model;
[0022] Figure 5 This is a schematic diagram of the internal structure of the dust collector box in this utility model.
[0023] The labels in the attached diagram are as follows: 1. Sorting box; 2. First discharge port; 3. Second discharge port; 4. Shell; 5. Feed hopper; 6. Dust collector box; 7. Screen; 8. Fixing strip; 9. Support column; 10. Motor; 11. Reciprocating screw; 12. Slider; 13. Connecting pipe; 14. Discharge pipe; 15. Shift fork; 16. Through slot; 17. Frame; 18. Fan; 19. Dustproof cotton; 20. Assembly frame; 21. Partition net; 22. Partition plate. Detailed Implementation
[0024] 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.
[0025] This embodiment provides a rice processing and sorting device for reducing broken rice rate, the structural schematic diagram of which is shown below. Figures 1-5As shown, the system includes a sorting box 1, inside which a screen 7 is inclinedly arranged. The bottom of the sorting box 1 has a bucket-shaped structure and a second discharge port 3. A first discharge port 2 is opened at the bottom of the end wall of the sorting box 1 facing the lower part of the screen 7. A feeding hopper 5 is mounted on the top of the sorting box 1. A connecting pipe 13 is provided at the bottom of the feeding hopper 5. A discharge pipe 14 is rotatably connected to the bottom end of the connecting pipe 13. The discharge pipe 14 is arranged downwards facing the higher part of the screen 7. A reciprocating screw 11 and a motor 10 for driving the reciprocating screw 11 are rotatably installed above the sorting box 1. The reciprocating screw 11 is distributed along the width direction of the screen 7. A slider 12 is spirally fitted on the reciprocating screw 11. A fork 15 is provided at the bottom of the slider 12 and is clamped on the discharge pipe 14. Through this structure, rice is fed into the feeding hopper 5 and discharged through the connecting pipe. The rice is discharged to one end of the screen 7 via discharge pipe 13 and discharge pipe 14. The rice rolls along the inclined screen 7 for screening. Whole rice grains that pass through the screen 7 are discharged from the first discharge port 2, while broken rice that passes through the screen 7 is discharged from the second discharge port 3. This achieves the purpose of screening the rice, reducing the broken rice rate and ensuring rice quality. At the same time, the motor 10 is started to drive the reciprocating screw 11 to rotate, which drives the slider 12 to slide back and forth. The slider 12 drives the fork 15 to rotate the discharge pipe 14 back and forth, which can evenly distribute the rice at one end of the screen 7. Compared with the feeding method of directly feeding the rice to one end of the screen 7, this structure of dispersing and guiding the rice by reciprocating rotation of the discharge pipe 14 can avoid the problem of rice piling up on the screen 7 and reducing the broken rice screening effect, thus improving the screening effect of the rice.
[0026] In this embodiment, a fixing strip 8 is horizontally fixed on the side wall of the sorting box 1, and a support column 9 is vertically fixed at both ends of the bottom of the fixing strip 8 for supporting and fixing the sorting box 1. The top of the sorting box 1 is covered with a shell 4 to prevent dust from spreading. The feed hopper 5 is assembled on the shell 4. The reciprocating screw 11 is rotatably installed inside the shell 4. The motor 10 is installed on the outer side wall of the shell 4. The upper surface of the slider 12 slides against the inner top wall of the shell 4 to prevent the slider 12 from rotating with the reciprocating screw 11.
[0027] In a further embodiment, a dust collection box 6 is mounted on the top of the housing 4. Through slots 16 are aligned on the bottom wall of the dust collection box 6 and the top wall of the housing 4. Frames 17 are fixedly embedded on both side walls of the dust collection box 6. Fans 18 are mounted inside the frames 17. Dust-proof cotton 19 is provided inside the dust collection box 6 near the frames 17. When the fan 18 is activated, it draws out the air from the dust collection box 6, creating a negative pressure inside the dust collection box 6. The dust in the sorting box 1 is drawn into the dust collection box 6 and remains inside the dust collection box 6 under the obstruction of the dust-proof cotton 19. This achieves the purpose of dust removal and reduces the dust diffusion and environmental pollution during the rice screening process.
[0028] In this embodiment, a mesh 21 is provided at one end of the frame 17 facing the outside of the dust collection box 6 to protect the fan 18. An assembly frame 20 is bolted to the inside of the dust collection box 6 near the frame 17, and the dust-proof cotton 19 is assembled inside the assembly frame 20, which facilitates the replacement and assembly of the dust-proof cotton 19. A partition 22 is vertically fixed on the bottom wall of the inside of the dust collection box 6 near the through groove 16. A gap is left between the top of the partition 22 and the top wall of the inside of the dust collection box 6 to prevent dust from falling back into the sorting box 1 from the through groove 16.
[0029] Working Principle: During operation, rice is fed into the feed hopper 5. The rice in the feed hopper 5 is discharged through the connecting pipe 13 and the discharge pipe 14 to one end of the screen 7 at its highest point. The rice then rolls along the inclined screen 7. During this process, broken rice passes through the screen 7 and is discharged from the second discharge port 3. Whole rice grains, filtered by the screen 7, are discharged from the first discharge port 2, thus achieving the purpose of rice screening, reducing the broken rice rate, and ensuring rice quality. Furthermore, the starting motor 10 drives the reciprocating screw 11 to rotate, causing the slider 12 to slide back and forth along the inner top wall of the housing 4. The slider 12 drives the fork 15 to rotate the discharge pipe 14 back and forth, evenly distributing the rice at one end of the screen 7. Compared to directly feeding rice to one end of the screen 7, this structure, which uses the reciprocating rotation of the discharge pipe 14 to disperse and guide the rice, avoids the problem of rice piling up on the screen 7, reducing the broken rice screening effect, and improves the rice screening efficiency. Furthermore, the cover 4 on top of the sorting box 1 can prevent the spread of dust during the rice sorting and screening process. The fan 18 is activated to draw air out of the dust box 6, creating negative pressure in the dust box 6. The dust in the sorting box 1 is drawn into the dust box 6 and is retained in the dust box 6 by the dust insulation cotton 19 and the partition 22. This achieves the purpose of dust removal and reduces the spread of dust and environmental pollution during the rice screening process.
[0030] All technical features in this embodiment can be freely combined according to actual needs.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A rice processing and sorting device for reducing broken rice rate, comprising a sorting box (1), characterized in that: The sorting box (1) is inclinedly equipped with a screen (7). The top of the sorting box (1) is equipped with a feed hopper (5). The bottom of the feed hopper (5) is equipped with a connecting pipe (13). The bottom end of the connecting pipe (13) is rotatably connected to a discharge pipe (14). The discharge pipe (14) is inclined downward towards the side with the screen (7) at a high position. A reciprocating screw (11) and a motor (10) for driving the reciprocating screw (11) to rotate are rotatably installed above the sorting box (1). The reciprocating screw (11) is distributed along the width direction of the screen (7). A slider (12) is spirally fitted on the reciprocating screw (11). The bottom of the slider (12) is equipped with a fork (15) that is clamped on the discharge pipe (14).
2. The rice processing and sorting device for reducing broken rice rate according to claim 1, characterized in that, The bottom of the sorting box (1) is shaped like a bucket and is provided with a second discharge port (3). The bottom of the end wall of the sorting box (1) facing the lower end of the screen (7) is provided with a first discharge port (2).
3. The rice processing and sorting device for reducing broken rice rate according to claim 1, characterized in that, The sorting box (1) has a horizontally fixed strip plate (8) on its side wall, and the bottom ends of the fixed strip plate (8) are vertically fixed with support columns (9).
4. The rice processing and sorting device for reducing broken rice rate according to claim 1, characterized in that, The top of the sorting box (1) is covered with a shell (4), the feed hopper (5) is mounted on the shell (4), the reciprocating screw (11) is rotatably installed inside the shell (4), the motor (10) is installed on the outer wall of the shell (4), and the upper surface of the slider (12) is slidably attached to the inner top wall of the shell (4).
5. A rice processing and sorting device for reducing broken rice rate according to claim 4, characterized in that, The top of the cover (4) is equipped with a dust collection box (6). The bottom wall of the dust collection box (6) and the top wall of the cover (4) are aligned with through grooves (16). Frames (17) are fixedly embedded on both sides of the dust collection box (6). A fan (18) is installed inside the frame (17). Dust-proof cotton (19) is provided inside the dust collection box (6) near the frame (17).
6. A rice processing and sorting device for reducing broken rice rate according to claim 5, characterized in that, A mesh (21) is provided at one end of the frame (17) facing the outside of the dust collection box (6). An assembly frame (20) is bolted to the inside of the dust collection box (6) near the frame (17). The dust-proof cotton (19) is assembled inside the assembly frame (20).
7. A rice processing and sorting device for reducing broken rice rate according to claim 5, characterized in that, A partition (22) is vertically fixed on the bottom wall of the dust collector (6) near the through groove (16), and a gap is left between the top of the partition (22) and the top wall of the dust collector (6).