Rice processing dust removal mechanism
By designing a dust removal mechanism for rice processing, and combining a guide cavity and a dust suction end with a screening end, the problem of health hazards caused by floating dust during rice screening was solved, achieving an effective dust removal effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI FUDI ECOLOGICAL AGRICULTURE DEVELOPMENT CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-07-10
Smart Images
Figure CN224475305U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rice dust removal technology, specifically to a rice processing dust removal mechanism. Background Technology
[0002] Rice, also known as paddy rice, is a food product made from paddy rice through processes such as cleaning, hulling, milling, and finishing. Rice can be divided into three types: indica rice, japonica rice, and glutinous rice. Indica rice is made from non-glutinous indica paddy rice, and the grains are generally long oval or slender. Screening devices are used in the rice processing process. Traditional screening devices generate a lot of dust when processing rice. This dust not only affects the quality of the rice but also poses a threat to the health of the operators. Therefore, dust removal is an indispensable part of the rice screening process.
[0003] Chinese utility model CN220126820U proposes "a high-efficiency rice screening machine". This device, through the setting of the unblocking component, can drive the unblocking rod to move back and forth through the reciprocating screw, thereby agitating the raw materials in the hopper at the discharge port, thus preventing them from accumulating and ensuring the uniformity and efficiency of the material feeding, thereby improving the screening efficiency of the device. However, this device screens rice in the open air, so the dust generated during the screening process will float in the environment. If workers inhale it, it can easily affect the health of the operators. Utility Model Content
[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a dust removal mechanism for rice processing. This solves the technical problem that the existing rice processing screening mechanisms are all open structures, which makes it easy for floating dust during the screening process to remain in the air. When inhaled by workers, this dust can easily affect their health.
[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:
[0006] Firstly, this utility model provides a dust removal mechanism for rice processing, comprising:
[0007] The box body has a feed inlet at the top, and the box body has a flow guide cavity and a processing cavity connected to each other from top to bottom. The flow guide cavity has a flow guide end inclinedly arranged inside, and the bottom wall of the processing cavity has a protruding end, forming a first flow guide channel and a second flow guide channel inside the box body.
[0008] The processing mechanism includes a drive end, a screening end, and a dust collection end; the drive end is installed outside the housing and is used to drive the screening end located in the processing chamber to operate and screen the material, wherein the screened material falls into the first guide channel, and the large particle impurities after screening fall into the second guide channel, and a dust collection end is provided on the inner wall of the processing chamber to adsorb the floating dust during the screening process.
[0009] In some embodiments, the guide end includes a first guide plate and a second guide plate; the first guide plate and the second guide plate are both inclinedly disposed on both sides of the inner wall of the guide cavity, and the inclination directions are opposite.
[0010] In some embodiments, cabinet doors are provided on both sides of the housing. Each cabinet door includes a first door panel and a second door panel. The first door panel is used to seal the first flow channel, and the second door panel is used to seal the second flow channel.
[0011] In some embodiments, the drive end includes a motor and a shaft; the motor is disposed outside the housing, and the output end of the motor is connected to the shaft, one axial end of the shaft extends into the processing cavity, and a screening end is disposed on the outer periphery of the shaft, the screening end being located at the lower end of the guide cavity.
[0012] In some embodiments, the screening end includes a plurality of screen frames; the plurality of screen frames are arranged circumferentially around the outer periphery of the shaft, and each screen frame is provided with a lower groove, and a plurality of screen holes are provided at equal intervals on the screen frame.
[0013] In some embodiments, the number of sieve frames is at least three, and the three sieve frames form a sieving area on the shaft.
[0014] In some embodiments, the dust collection end includes a dust collection window, a dust collection pipe, a pump body, and a dust collection box; dust collection windows are installed inside the processing chamber and on both sides of the screening end, and a plurality of dust collection pipes are arranged inside the dust collection window. One end of any one of the dust collection pipes extends to the outside of the box and is connected to the pump body. The end of the pump body extends into the dust collection box, and the dust collection box is detachably connected to the box body.
[0015] In some embodiments, the sieve frame is an arc-shaped frame.
[0016] In some embodiments, the end of any of the screen frames away from the shaft body maintains a gap with the inner wall of the processing cavity.
[0017] In some embodiments, the sieve frame rotates at an angle of 360°.
[0018] Compared with existing technologies, this utility model provides a rice processing dust removal mechanism. Workers feed rice to be screened into the box through the inlet and into the guide chamber. Inside the guide chamber, the rice is guided by the guide end, which slows its fall speed. The rice then enters the processing chamber, where the drive end rotates the screening end. The screening end screens the rice, and qualified rice falls downwards from the screening end into the first guide channel. Large particles of impurities screened by the screening end fall into the second guide channel as the screening end rotates. During the screening process, the screening end generates floating dust, which floats inside the box. The dust is then absorbed by the suction end, preventing the dust from being inhaled by workers and causing harm. Attached Figure Description
[0019] Figure 1 This is an internal schematic diagram of the rice processing dust removal mechanism provided in this embodiment of the utility model;
[0020] Figure 2 This is a side view of the rice processing dust removal mechanism provided in this embodiment of the utility model;
[0021] Figure 3 This is a schematic diagram of the protruding end structure of the rice processing dust removal mechanism provided in this embodiment of the utility model;
[0022] Figure 4 This is a front view of the rice processing dust removal mechanism provided in this embodiment of the utility model;
[0023] Figure 5 This is a schematic diagram of the back of the rice processing dust removal mechanism provided in this embodiment of the utility model.
[0024] Explanation of reference numerals in the attached drawings: 1. Box body; 11. Feed inlet; 12. Guide cavity; 13. Processing cavity; 14. Guide end; 141. First guide plate; 142. Second guide plate; 15. Protruding end; 151. First guide channel; 152. Second guide channel; 16. Cabinet door; 161. First door panel; 162. Second door panel; 2. Processing mechanism; 21. Drive end; 211. Motor; 212. Shaft; 22. Screening end; 221. Screen frame; 222. Lower groove; 223. Screen hole; 23. Dust collection end; 231. Dust collection window; 232. Dust collection pipe; 233. Pump body; 234. Dust collection box. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0026] To address the problem that existing rice processing screening mechanisms are all open structures, which leads to dust easily remaining in the air during screening and potentially harming the health of workers when inhaled, this invention provides a rice processing dust removal mechanism. This mechanism effectively adsorbs the dust generated during the rice processing screening process, preventing the dust from floating in the air and being inhaled by workers, thus avoiding harm to their health.
[0027] It should be noted that the rice processing dust removal mechanism described in this utility model is used in, but not limited to, the rice processing field. For ease of explanation, this utility model only uses the application of the rice processing dust removal mechanism in the rice processing field as an example for explanation. The principle of the rice processing dust removal mechanism applied to other types of equipment is essentially the same as that applied to the rice processing field, and will not be described in detail here.
[0028] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of a rice processing dust removal mechanism in one embodiment of the present invention. The rice processing dust removal mechanism includes a housing 1 and a processing mechanism 2. The housing 1 has a feed inlet 11 at the top. The housing 1 has a guide cavity 12 and a processing cavity 13 connected to each other from top to bottom. A guide end 14 is inclinedly arranged in the guide cavity 12. The inner bottom wall of the processing cavity 13 has a protruding end 15, forming a first guide channel 151 and a second guide channel 152 in the housing 1. The processing mechanism 2 includes a drive end 21, a screening end 22 and a dust suction end 23. The drive end 21 is installed outside the housing 1 and is used to drive the screening end 22 located in the processing cavity 13 to operate and screen the material. The screened material falls into the first guide channel 151, and the large particles of impurities after screening fall into the second guide channel 152. The dust suction end 23 is provided on the inner wall of the processing cavity 13 to adsorb the floating dust during the screening process.
[0029] In this embodiment, the worker puts the rice to be screened into the box 1 through the feed inlet 11 and into the guide cavity 12. In the guide cavity 12, the rice is guided by the guide end 14, which slows down the falling speed of the rice, and then enters the processing cavity 13. The drive end 21 drives the screening end 22 in the processing cavity 13 to rotate, and the rice is screened by the screening end 22. The qualified rice falls down from the screening end 22 and enters the first guide channel 151. The large particles of impurities screened by the screening end 22 fall into the second guide channel 152 as the screening end 22 rotates. When the screening end 22 screens the rice particles, it will generate floating dust. The floating dust floats in the box 1. The dust is adsorbed by the dust suction end 23 to prevent the floating dust from floating in the air and being inhaled by the worker, which would cause damage to the body.
[0030] In one embodiment, please refer to Figure 1 and Figure 3 To facilitate the flow of rice to be processed and screened, the flow guide end 14 includes a first guide plate 141 and a second guide plate 142; the first guide plate 141 and the second guide plate 142 are both inclined on both sides of the inner wall of the flow guide cavity 12, and the inclination directions are opposite.
[0031] In this embodiment, by setting a first guide plate 141 tilted to the right and a second guide plate 142 tilted to the left in the guide cavity 12, the falling speed of the rice is slowed down, and the rice is guided so that it can contact the screening end 22, thereby improving the screening efficiency of the screening end 22.
[0032] In one embodiment, please refer to Figure 1 - Figure 3 To improve the screening efficiency of the screening end 22, cabinet doors 16 are provided on both sides of the housing 1. Each cabinet door 16 includes a first door panel 161 and a second door panel 162. The first door panel 161 is used to seal the first guide channel 151, and the second door panel 162 is used to seal the second guide channel 152. The drive end 21 includes a motor 211 and a shaft 212. The motor 211 is located outside the housing 1, and its output end is connected to the shaft 212. One axial end of the shaft 212 extends into the processing cavity 13, and the screening end 22 is provided on the outer periphery of the shaft 212. End 22 is located at the lower end of the guide cavity 12. The screening end 22 includes several screen frames 221. The screen frames 221 are arranged circumferentially on the outer periphery of the shaft 212. Each screen frame 221 has a lower groove 222. Multiple screen holes 223 are equally spaced on the screen frame 221. The number of screen frames 221 is at least three. The three screen frames 221 form a screening area on the shaft 212. The screen frame 221 is an arc-shaped frame. The end of any screen frame 221 away from the shaft 212 maintains a gap with the inner wall of the processing cavity 13. The rotation angle of the screen frame 221 is 360°.
[0033] In this embodiment, an openable first door plate 161 is provided in the first flow channel 151 to seal the first flow channel 151, and an openable second door plate 162 is provided in the second flow channel 152 to seal the second flow channel 152. A motor 211 drives a shaft 212 to rotate, which in turn drives three sieve frames 221 to rotate clockwise. When one of the sieve frames 221 is located at the lower end of the flow cavity 12, the motor 211 controls the shaft 212 to stop rotating, and rice falls onto the sieve. The rice is sieved in the lower groove 222 of the frame 221 and aligned with the sieve holes 223. The sieved rice falls into the first guide channel 151. After the first batch of rice is sieved, the motor 211 drives the shaft 212 to rotate again and causes the sieve frame 221 to flip. Large particles of impurities remaining on the sieve frame 221 fall into the second guide channel 152 during the flipping process. By setting the first guide channel 151 and the second guide channel 152, rice and large particles of solid impurities can be effectively sieved.
[0034] In one embodiment, please refer to Figure 1 - Figure 5 To improve the dust removal efficiency of the equipment, the dust suction end 23 includes a dust suction window 231, a dust suction pipe 232, a pump body 233, and a dust collection box 234. Dust suction windows 231 are installed in the processing chamber 13 and on both sides of the screening end 22. Several dust suction pipes 232 are arranged in the dust suction window 231. One end of any dust suction pipe 232 extends to the outside of the box 1 and is connected to the pump body 233. The end of the pump body 233 extends into the dust collection box 234. The dust collection box 234 is detachably connected to the box 1.
[0035] In this embodiment, when the sieve frame 221 is sieving rice, the dust generated by the vibration during the sieving process will float inside the box 1. At this time, the pump body 233 is activated. Through the cooperation of the pump body 233 and the dust suction pipe 232, the dust inside the box 1 is adsorbed in the dust suction window 231 on the inner wall of the processing chamber 13 and concentrated and introduced into the dust collection box 234, thereby completing the cleaning of the dust and preventing the dust from floating in the air during the rice sieving process and being inhaled by the staff.
[0036] To better understand this utility model, the following is combined with... Figures 1 to 5The technical solution of this utility model is described in detail as follows: The worker feeds the rice to be screened into the box 1 through the feed inlet 11 and into the guide cavity 12. The rice is guided by the inclined first guide plate 141 and second guide plate 142, which also slows down the falling speed of the rice during the guiding process, preventing it from falling too quickly. When the rice passes through the guide cavity 12 and enters the inner wall of the processing chamber 13, it falls onto the screen frame 221 of the shaft 212. The rice and large solid impurities are screened through the screen holes 223. A viewing window is provided on the surface of the box 1 to check the current position of the screen frame 221, ensuring that the screen frame 221 accurately catches the rice. After a batch of rice is sieved, the sieved rice flows into the first guide channel 151. The motor 211 drives the shaft 212 to rotate, which in turn drives the screen frame 221 to rotate. This causes the solid particles remaining on the screen frame 221 to fall into the second guide channel 152, thus completing the sorting process. When the rice comes into contact with the screen frame 221, it vibrates and shakes off the floating dust on the surface of the rice. The floating dust floats inside the housing 1. At this time, the pump 233 is activated. Through the cooperation of the pump 233 and the suction pipe 232, the floating dust is sucked into the dust collection box 234, thus preventing the floating dust from floating in the air and being inhaled by the staff.
[0037] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.
Claims
1. A dust removal mechanism for rice processing, characterized in that, include: The box body has a feed inlet at the top, and the box body has a flow guide cavity and a processing cavity connected to each other from top to bottom. The flow guide cavity has a flow guide end inclinedly arranged inside, and the bottom wall of the processing cavity has a protruding end, forming a first flow guide channel and a second flow guide channel inside the box body. The processing mechanism includes a drive end, a screening end, and a dust collection end. The drive end is installed outside the housing and is used to drive the screening end located in the processing chamber to screen the material. The screened material falls into the first guide channel, and the large particles of impurities after screening fall into the second guide channel. The dust collection end is provided on the inner wall of the processing chamber to adsorb the floating dust during the screening process.
2. The rice processing dust removal mechanism according to claim 1, characterized in that: The guide end includes a first guide plate and a second guide plate; the first guide plate and the second guide plate are both inclinedly disposed on both sides of the inner wall of the guide cavity, and the inclination directions are opposite.
3. The rice processing dust removal mechanism according to claim 1, characterized in that: Both sides of the box are provided with cabinet doors, each cabinet door including a first door panel and a second door panel. The first door panel is used to seal the first flow channel, and the second door panel is used to seal the second flow channel.
4. The rice processing dust removal mechanism according to claim 1, characterized in that: The drive end includes a motor and a shaft; the motor is located outside the housing, and the output end of the motor is connected to the shaft. One axial end of the shaft extends into the processing cavity, and a screening end is provided on the outer periphery of the shaft. The screening end is located at the lower end of the guide cavity.
5. A rice processing dust removal mechanism according to claim 4, characterized in that: The screening end includes several screen frames; the screen frames are arranged circumferentially around the outer periphery of the shaft, and each screen frame has a lower groove and multiple screen holes are equally spaced on the screen frame.
6. The rice processing dust removal mechanism according to claim 5, characterized in that: The number of sieve frames is at least three, and the three sieve frames form a sieving area on the shaft.
7. The rice processing dust removal mechanism according to claim 1, characterized in that: The dust collection end includes a dust collection window, a dust collection pipe, a pump body, and a dust collection box; dust collection windows are installed inside the processing chamber and on both sides of the screening end, and a number of dust collection pipes are arranged inside the dust collection window. One end of any one of the dust collection pipes extends to the outside of the box and is connected to the pump body. The end of the pump body extends into the dust collection box, and the dust collection box is detachably connected to the box body.
8. A dust removal mechanism for rice processing according to claim 6, characterized in that: The sieve frame is an arc-shaped frame.
9. A dust removal mechanism for rice processing according to claim 6, characterized in that: The end of any of the screen frames away from the shaft body maintains a gap with the inner wall of the processing cavity.
10. A rice processing dust removal mechanism according to claim 6, characterized in that: The sieve frame rotates at an angle of 360°.