Rice vibration screening machine

By designing a screening cylinder and cyclone dust removal system that can vibrate up and down, the existing rice vibration screening machine has solved the problems of poor screening effect, dust pollution and rice wetness, and automatic screening and efficient dust removal of rice have been achieved, improving production efficiency and convenience of use.

CN222970263UActive Publication Date: 2025-06-13XUANHAN WANSHENG RICE CO LTD
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Patent Information

Application Number
CN202421915575.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-13
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

During the screening process, the existing rice vibration screening machines have problems such as poor screening effect, dust pollution, inconvenient disassembly and assembly of the screen, and moisture in the rice, which affects production efficiency and convenience of use.

Method used

A rice vibration screening machine including a screening box and a screening cylinder is designed. The bottom surface of the screening cylinder is connected to the inner bottom surface of the screening box through a spring, and is equipped with a first and second drive motor, a twisted dragon and a cam to realize the up and down vibration of the screening cylinder. At the same time, cyclone dust collectors and centrifugal fans are used to remove dust, avoiding the problem of moisture in rice caused by spraying.

Benefits of technology

Automatic screening of rice is realized, work efficiency and convenience of use are improved, the trouble of manual cleaning and collection is avoided, rice aggregation is reduced, and the need for subsequent drying of rice is effectively avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rice vibration screening machine which comprises a screening box and a screening cylinder, the screening cylinder is arranged in the screening box, and the bottom face of the screening cylinder is connected with the inner bottom face of the screening box through a spring. The rice screening device has the advantages that the screening cylinder capable of vibrating up and down is adopted, rice can be thrown into the screening cylinder along the feeding hopper during rice vibration screening, then the first driving motor and the second driving motor are started at the same time, the second driving motor drives the cam to rotate, and the cam rotates to push the screening cylinder to vibrate up and down in a reciprocating mode; unqualified broken rice penetrates through screening holes and is discharged along a waste discharge port, a first driving motor drives an auger to rotate, qualified rice is discharged out of a screening cylinder, automatic screening is completed, the trouble of manual cleaning and collecting is omitted, use convenience and vibration screening efficiency are improved, meanwhile, the auger rotates to drive the rice to turn over, and the rice screening efficiency is improved. And the phenomenon of rice gathering is reduced, the vibration screening efficiency is further improved, and the overall working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rice vibration screening machines, and specifically, to a rice vibration screening machine. Background Art

[0002] After retrieval, it is found that the application number is CN201821850363.4, and the name is a rice vibration screening machine. This application proposes that the vibration screen of the patent application number: CN201711404029.6, and the patent name: a rice vibration screening machine has poor screening effect on rice in the device, and there are certain disadvantages in use, such as easy dust raising and pollution. At the same time, the screen mesh and the pull rod in the device are fixedly welded, which is inconvenient for disassembly and assembly during actual use, and there are certain inconveniences in use. By providing a water spraying dust-proof pipe above the screen mesh, the water spraying dust-proof pipe is internally connected to the water tank through a water pump, and the water spraying dust-proof pipe sprays water above the screen mesh through spray holes, so that the screen mesh is not easy to raise dust when screening rice, has the effect of dust reduction, protects the environment, and the rice on the screen mesh is washed cleaner by water, and fine dust will be screened out, and the screening effect is better. After screening, the screen mesh is opened to take out the rice, and then the rice is dried, and a detachable screen mesh is adopted to facilitate the staff to disassemble and clean.

[0003] However, during actual use of the above application, the staff still needs to open the screen mesh to take out the rice, and the screening operation cannot be carried out synchronously when taking out the rice, which is not only very troublesome, but also delays the production time and affects the production efficiency. At the same time, using spray dust prevention will cause the rice to be wet, and drying is also required later, which is also very troublesome, affecting the production efficiency and the convenience of use, and further improvement can be made.

[0004] In view of the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a rice vibration screening machine, which has the advantages of improving work efficiency and convenience of use, and thus solves the problems in the above background art.

[0007] (2) Technical Solutions

[0008] To achieve the above advantages of improving work efficiency and convenience of use, the specific technical solutions adopted by the utility model are as follows:

[0009] The rice vibrating sieve machine includes a sieve box and a sieve cylinder. A sieve cylinder is arranged inside the sieve box, and the bottom surface of the sieve cylinder is connected to the inner bottom surface of the sieve box through a spring. One end of the sieve cylinder is fixedly installed with a first driving motor, and a screw conveyor is installed at the output end of the first driving motor. The screw conveyor is located inside the sieve cylinder, and the edge of the screw conveyor is in sliding contact with the inner wall of the sieve cylinder. Screening holes are densely arranged on the surface of the sieve cylinder between the springs. A second driving motor is fixedly installed on the front facade of the sieve box, and a cam is installed at the output end of the second driving motor. The cam extends above the sieve cylinder. A waste discharge port is connected through the bottom surface of the sieve box between the springs, and a feed hopper is connected through the top surface of the sieve box. A hose is connected through the bottom surface of the feed hopper. An inlet is vertically opened on the top surface of one end of the sieve cylinder, and the top opening of the inlet is connected to the bottom opening of the hose. One end of the sieve box is connected to a cyclone dust collector through a dust suction pipe.

[0010] Further, an air delivery pipe is connected through the exhaust end of the cyclone dust collector, and the other end of the air delivery pipe is connected to a centrifugal fan.

[0011] Further, both ends of the spring are fixedly connected to the bottom surface of the sieve cylinder and the inner bottom surface of the sieve box respectively, and multiple springs are arranged.

[0012] Further, a guide rod is vertically fixedly installed on the top surface of the sieve cylinder, and the guide rod penetrates through the sieve box and is slidably connected to the sieve box.

[0013] Further, a through groove is opened at the other end of the sieve box. The sieve cylinder penetrates through the through groove, and a cloth cylinder is sleeved between the other end of the sieve cylinder and the outer wall of the other end of the sieve box.

[0014] Further, the diameter of the through groove is larger than the outer diameter of the sieve cylinder, and the through groove is a circular hole.

[0015] Further, legs are fixedly installed at the corners of the bottom surface of the sieve box, and multiple legs are arranged.

[0016] Further, both ends of the dust suction pipe are respectively connected through the inside of the sieve box and the input end of the cyclone dust collector.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present utility model provides a rice vibrating sieve machine, which has the following beneficial effects:

[0019] (1) The utility model adopts a screening cylinder that can vibrate up and down. When vibrating and screening rice, the rice can be put into the screening cylinder along the feed hopper. Subsequently, the first driving motor and the second driving motor are started simultaneously. The second driving motor drives the cam to rotate, and the rotating cam pushes the screening cylinder to vibrate reciprocally up and down for vibrating and screening. The unqualified broken rice passes through the screening holes and is discharged along the waste outlet. The first driving motor drives the auger to rotate, discharging the qualified rice from the screening cylinder, completing automatic screening, eliminating the trouble of manual cleaning and collection, improving the convenience of use and the vibrating screening efficiency. At the same time, the rotation of the auger drives the rice to turn over, reducing the phenomenon of rice aggregation, further improving the vibrating screening efficiency and the overall working efficiency.

[0020] (2) The utility model adopts a cyclone dust collector and a centrifugal fan. During the rice screening process, the centrifugal fan sucks air. The air inside the screening box carrying dust enters the cyclone dust collector through the dust suction pipe. After dust removal by the cyclone dust collector, the dust stays in the cyclone dust collector, completing the dust removal operation, avoiding the problem that the traditional spraying method will make the rice wet and requiring drying later, and further improving the convenience of use. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the internal structure of the rice vibrating screening machine proposed by the present utility model;

[0023] Figure 2 It is the front view of the rice vibrating screening machine proposed by the present utility model;

[0024] Figure 3 It is a schematic diagram of the external structure of the rice vibrating screening machine proposed by the present utility model;

[0025] Figure 4 It is a schematic diagram of the structure of the screening cylinder proposed by the present utility model.

[0026] In the figure:

[0027] 1. Screening box; 2. Screening cylinder; 3. Cam; 4. Guide rod; 5. Auger; 6. First driving motor; 7. Spring; 8. Waste outlet; 9. Through slot; 10. Cloth cylinder; 11. Screening hole; 12. Feed hopper; 13. Hose; 14. Cyclone dust collector; 15. Dust suction pipe; 16. Air delivery pipe; 17. Centrifugal fan; 18. Second driving motor; 19. Feed inlet. Detailed implementation manners

[0028] To further illustrate each embodiment, the present utility model provides accompanying drawings, which are a part of the disclosure of the present utility model. They are mainly used to illustrate the embodiments and can be combined with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0029] According to an embodiment of the present utility model, a rice vibration screening machine is provided.

[0030] Now, the present utility model will be further described in conjunction with the accompanying drawings and specific implementation manners. As Figures 1-4 shown, the rice vibration screening machine according to an embodiment of the present utility model includes a screening box 1 and a screening cylinder 2. The screening cylinder 2 is arranged inside the screening box 1. The screening cylinder 2 is of a cylindrical structure, and the bottom surface of the screening cylinder 2 is connected to the inner bottom surface of the screening box 1 through a spring 7. One end of the screening cylinder 2 is fixedly installed with a first driving motor 6. The first driving motor 6 is coaxially arranged with the screening cylinder 2. The output end of the first driving motor 6 is installed with an auger 5, and the auger 5 is located inside the screening cylinder 2. The edge of the auger 5 is in sliding contact with the inner wall of the screening cylinder 2. Screening holes 11 are densely formed on the surface of the screening cylinder 2 between the springs 7. A second driving motor 18 is fixedly installed on the front facade of the screening box 1. The output end of the second driving motor 18 is installed with a cam 3, and the cam 3 extends above the screening cylinder 2. A waste discharge port 8 is connected through the bottom surface of the screening box 1 between the springs 7. The top surface of the screening box 1 is connected through a feed hopper 12. The bottom surface of the feed hopper 12 is connected through a hose 13. The top opening of the feed port 19 is formed through the top surface of one end of the screening cylinder 2, and the bottom opening of the feed port 19 is connected to the bottom opening of the hose 13. The hose 13 does not affect the vibration of the screening cylinder 2. One end of the screening box 1 is connected through a dust suction pipe 15 to a cyclone dust collector 14. When performing rice vibration screening, the rice can be put into the screening cylinder 2 along the feed hopper 12. Subsequently, the first driving motor 6 and the second driving motor 18 are started simultaneously. The second driving motor 18 drives the cam 3 to rotate. The rotation of the cam 3 pushes the screening cylinder 2 to vibrate reciprocally up and down for vibration screening. The unqualified broken rice passes through the screening holes 11 and is discharged along the waste discharge port 8. The first driving motor 6 drives the auger 5 to rotate to discharge the qualified rice from the screening cylinder 2, completing automatic screening, saving the trouble of manual cleaning and collection, improving the convenience of use and the vibration screening efficiency. At the same time, the rotation of the auger 5 drives the rice to turn over, reducing the phenomenon of rice aggregation, further improving the vibration screening efficiency and the overall working efficiency.

[0031] In one embodiment, the exhaust end of the cyclone dust collector 14 is connected with an air supply pipe 16, and the other end of the air supply pipe 16 is connected with a centrifugal fan 17, which is a common dust removal structure. During the rice screening process, the centrifugal fan 17 is used to exhaust air, and the air inside the screening box 1 carries the dust through the dust suction pipe 15 into the cyclone dust collector 14. After the cyclone dust collector 14 removes the dust, the dust stays in the cyclone dust collector 14, completing the dust removal operation, avoiding the problem that the traditional spraying method will make the rice wet and need to be dried later, and further improving the convenience of use.

[0032] In one embodiment, both ends of the spring 7 are fixedly connected to the bottom surface of the screening drum 2 and the inner bottom surface of the screening box 1 respectively, and a plurality of springs 7 are arranged. The springs 7 play a supporting role to facilitate the vibration of the screening drum 2.

[0033] In one embodiment, a guide rod 4 is vertically fixedly installed on the top surface of the screening drum 2 , and the guide rod 4 passes through the screening box 1 and is slidably connected to the screening box 1 . The guide rod 4 is a guide for the up and down vibration of the screening drum 2 .

[0034] In one embodiment, a through slot 9 is provided at the other end of the screening box 1, the screening cylinder 2 passes through the through slot 9, and a cloth cylinder 10 is sleeved between the other end of the screening cylinder 2 and the outer wall of the other end of the screening box 1, wherein the diameter of the through slot 9 is larger than the outer diameter of the screening cylinder 2, and the through slot 9 is a circular hole, and the cloth cylinder 10 plays a certain dust-proof role and reduces dust emission.

[0035] In one embodiment, a support leg is fixedly installed at the corner of the bottom surface of the screening box 1, and a plurality of support legs are arranged to facilitate raising the waste outlet 8 and receiving waste.

[0036] In one embodiment, two ends of the dust suction pipe 15 are respectively connected to the inside of the screening box 1 and the input end of the cyclone dust collector 14 , so as to facilitate the dust to enter the cyclone dust collector 14 .

[0037] Working principle:

[0038] When performing vibration screening of rice, the rice can be put into the screening drum 2 along the feed hopper 12, and then the first drive motor 6 and the second drive motor 18 are started at the same time, the second drive motor 18 drives the cam 3 to rotate, and the rotation of the cam 3 drives the screening drum 2 to vibrate up and down reciprocatingly to perform vibration screening, and unqualified broken rice passes through the screening hole 11 and is discharged along the waste outlet 8. The first drive motor 6 drives the auger 5 to rotate, and the qualified rice is discharged from the screening drum 2, completing the automatic screening, eliminating the trouble of manual cleaning and collection, and improving the convenience of use and the efficiency of vibration screening. At the same time, the rotation of the auger 5 drives the rice to turn, reducing the phenomenon of rice aggregation, further improving the vibration screening efficiency, and improving the overall work efficiency. At the same time, during the rice screening process, the centrifugal fan 17 performs exhaust, and the air inside the screening box 1 carries the dust through the dust suction pipe 15 into the cyclone dust collector 14. After the cyclone dust collector 14 removes the dust, the dust stays in the cyclone dust collector 14, completing the dust removal operation, avoiding the problem that the traditional spraying method will make the rice wet and need to be dried later, and further improving the convenience of use.

[0039] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rice vibration screening machine, characterized in that: The invention comprises a screening box (1) and a screening drum (2), wherein the screening drum (2) is arranged inside the screening box (1), and the bottom surface of the screening drum (2) is connected to the bottom surface of the screening box (1) through a spring (7), and a first drive motor (6) is fixedly installed at one end of the screening drum (2), an auger (5) is installed at the output end of the first drive motor (6), and the auger (5) is located inside the screening drum (2), and the edge of the auger (5) is in sliding contact with the inner wall of the screening drum (2), and screening holes (11) are densely arranged on the surface of the screening drum (2) between the springs (7), and a second drive motor (6) is fixedly installed on the front surface of the screening box (1). The invention relates to a machine (18), and a cam (3) is installed at the output end of the second driving motor (18), and the cam (3) extends to the top of the screening drum (2); the bottom surface of the screening box (1) is located between the springs (7) and is connected to a waste discharge port (8); the top surface of the screening box (1) is connected to a feed hopper (12), and the bottom surface of the feed hopper (12) is connected to a hose (13); a feed port (19) is opened on the top surface of one end of the screening drum (2), and the top of the feed port (19) is connected to the bottom of the hose (13); one end of the screening box (1) is connected to a cyclone dust collector (14) through a dust suction pipe (15).

2. The rice vibration screening machine according to claim 1, characterized in that: The exhaust end of the cyclone dust collector (14) is connected to an air supply pipe (16), and the other end of the air supply pipe (16) is connected to a centrifugal fan (17).

3. The rice vibration screening machine according to claim 1, characterized in that: The two ends of the spring (7) are respectively fixedly connected to the bottom surface of the screening cylinder (2) and the inner bottom surface of the screening box (1), and a plurality of springs (7) are arranged.

4. The rice vibration screening machine according to claim 1, characterized in that: A guide rod (4) is vertically fixedly mounted on the top surface of the screening cylinder (2), and the guide rod (4) passes through the screening box (1) and is slidably connected to the screening box (1).

5. The rice vibration screening machine according to claim 1, characterized in that: The other end of the screening box (1) is provided with a through slot (9), the screening cylinder (2) passes through the through slot (9), and a cloth cylinder (10) is sleeved between the other end of the screening cylinder (2) and the outer wall of the other end of the screening box (1).

6. The rice vibration screening machine according to claim 5, characterized in that: The diameter of the through groove (9) is greater than the outer diameter of the screening cylinder (2), and the through groove (9) is a circular hole.

7. The rice vibration screening machine according to claim 1, characterized in that: The screening box (1) is fixedly provided with supporting legs at the corners of the bottom surface, and a plurality of supporting legs are arranged.

8. The rice vibration screening machine according to claim 1, characterized in that: The two ends of the dust suction pipe (15) are respectively connected to the inside of the screening box (1) and the input end of the cyclone dust collector (14).

Citation Information

Patent Citations

  • Vibration screen for rice vibration screening machine

    CN108144848A

  • Rice vibration screening machine

    CN209034831U