Efficient screening device for rice processing
Vibration of the installation ring and screening bucket driven by the vibrating motor and electric rotary assembly, combined with the rotation of the bent pipe, uniform screening of rice is achieved, solving the problem of low screening hole utilization and improving the efficiency and cleanliness of rice screening.
Patent Information
- Application Number
- CN202421860846.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-02
AI Technical Summary
In the prior art, the utilization rate of the sieve holes during the rice screening process is low, resulting in a decrease in the screening efficiency.
Vibrating motor and electric rotating components are used to drive the installation ring and screening bucket vibration, combined with the rotation of the bent pipe, the rice is evenly distributed and screened through the screen hole, and the bottom of the screening bucket is designed to facilitate the discharge of impurities.
The screening hole utilization rate of the screening device is improved, the rice screening efficiency is improved, and the cleaning convenience of the device is enhanced.
Smart Images

Figure CN223197447U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a high-efficiency screening device for rice processing, belonging to the field of rice processing equipment. Background Art
[0002] Rice processing screening is an important step in the rice processing process, which aims to remove impurities, classify rice grains, and ensure the quality and purity of the final product. Usually, a sieve with a larger aperture is used to remove larger impurities and unqualified particles, such as large pieces of rice husks and rice ears.
[0003] In the prior art, during the rice splitting process, the rice is transported to the inside of a screening bin through a pipeline for screening processing. Since the rice falls to a fixed location, the rice is concentrated and accumulated at one place on the top of the screen, so that the screen holes at other positions of the screen inside the screening bin cannot be fully utilized, thereby reducing the rice screening processing efficiency.
[0004] In summary, the present invention provides a high-efficiency screening device for rice processing to solve the above problems. Utility Model Content
[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a high-efficiency screening device for rice processing to solve the problem of low sieve hole utilization rate proposed in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a high-efficiency screening device for rice processing, comprising a mounting frame and a screening bin, the screening bin being fixedly connected to the top of the mounting frame, the chamber of the screening bin being cylindrical, the inner cylinder surface of the screening bin being circumferentially evenly fixedly connected with a plurality of mounting seats, the top of each mounting seat being fixedly connected with a compression spring, a mounting ring being fixedly connected between the tops of the plurality of compression springs, the ring mouth at the bottom of the mounting ring being provided with a screening bucket, the bottom of the screening bucket being spherical, a vibration motor being fixedly connected on both sides of the top of the mounting ring, a bending tube being passed through between the top of the screening bin and the top of the inner wall, the bending end of the bending tube extending to the inside of the mounting ring and close to one side of the inner wall of the mounting ring, the top of the bending tube and located outside the screening bin being rotatably connected with a feed pipe, and an electric rotating component being installed on the tube surface of the bending tube and located at the top of the screening bin.
[0007] Furthermore, the bottom of the screening bucket is connected to a pipe joint, and the bottom of the pipe joint is connected to a telescopic hose.
[0008] Furthermore, the bottom end of the telescopic hose is connected to a discharge pipe, and the discharge pipe is bent.
[0009] Furthermore, one end of the discharge pipe passes through the bottom of one side of the inner wall of the screening bin and extends to the outside of the screening bin, and the bottom of the screening bin is connected to a discharge pipe.
[0010] Furthermore, the electric rotating assembly includes a driven wheel and a chassis, the driven wheel is sleeved on the tube surface of the bending tube and is located above the screening bin, the chassis is fixedly connected to one side of the top of the screening bin, a servo motor is fixedly connected to the inside of the chassis, the output end of the servo motor is fixedly connected to a driving shaft, one end of the driving shaft passes through the chassis and extends to the top of the driven wheel, and one end of the driving shaft is fixedly connected to the driving wheel at the top of the driven wheel.
[0011] Furthermore, the driven wheel is fixedly connected to the bending tube, and the bending tube is rotatably connected to the screening bin.
[0012] Furthermore, the driving wheel is meshed with the driven wheel, and the driving shaft is rotationally connected to the chassis.
[0013] Beneficial effects of the utility model:
[0014] By starting the two vibration motors and the servo motor inside the electric rotating assembly, the mounting ring and the screening bucket are driven to vibrate and screen the rice, and at the same time, the bending tube for conveying rice is driven to rotate, so that the discharge port of the bending tube can perform a circular motion inside the mounting ring, and the conveyed rice can be evenly distributed to various places inside the screening bucket, thereby ensuring that the rice slides evenly from top to bottom inside the screening bucket for screening, and improving the utilization rate of the screen holes inside the screening bucket, thereby effectively improving the rice screening processing efficiency.
[0015] By opening the valve on the discharge pipe, the sifted rice grains can be discharged in a centralized manner. By opening the valve on the pipe joint, the rice husks and other impurities at the screen inside the screening bucket can be discharged into the interior of the telescopic hose. The valve on the discharge pipe can be opened to discharge the impurities in a centralized manner. The telescopic hose can be flexibly extended and retracted as the screening bucket vibrates. The bottom of the screening bucket is spherical, so that the sifted impurities can be discharged in a centralized manner, effectively reducing the residue inside the screening device and improving the cleaning convenience of the rice screening and processing device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:
[0017] Figure 1 This is a schematic structural perspective diagram of a high-efficiency screening device for rice processing according to the present invention;
[0018] Figure 2 This is a schematic front view of the structure of a high-efficiency screening device for rice processing according to the present invention;
[0019] Figure 3 This is a schematic main cross-sectional view of the structure of a high-efficiency screening device for rice processing according to the present invention;
[0020] Figure 4 for Figure 3 The structure of the mounting base is shown in a schematic top view.
[0021] In the figure: 1. Mounting frame; 2. Screening bin; 3. Mounting seat; 4. Compression spring; 5. Mounting ring; 6. Screening bucket; 7. Vibration motor; 8. Bending pipe; 9. Electric rotating assembly; 10. Feed pipe; 11. Pipe joint; 12. Telescopic hose; 13. Discharge pipe; 14. Discharge pipe; 91. Driven wheel; 92. Chassis; 93. Servo motor; 94. Driving shaft; 95. Driving wheel. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] See also Figure 1-4The utility model provides a technical solution: an efficient screening device for rice processing, comprising a mounting frame 1 and a screening bin 2, the screening bin 2 is fixedly connected to the top of the mounting frame 1, the chamber of the screening bin 2 is cylindrical, and the inner cylinder surface of the screening bin 2 is uniformly fixedly connected to a plurality of mounting seats 3 on the circumference, and a compression spring 4 is fixedly connected to the top of each mounting seat 3. The compression spring 4 is a mechanical component that generates elastic force when under pressure and is widely used in various mechanical devices for providing restoring force or storing energy. They are usually made of wound steel wire and have high elasticity and durability. A mounting ring 5 is fixedly connected between the tops of the plurality of compression springs 4, and a screening bucket 6 is provided on the ring sleeve at the bottom of the mounting ring 5. The bottom of the screening bucket 6 is spherical, and vibration motors 7 are fixedly connected to both sides of the top of the mounting ring 5. The two vibration motors 7 are connected to an external power supply and are provided with the same power control switch. The core of the vibration motor 7 is The motor generates an unbalanced force through the eccentric block (or eccentric weight) installed on the motor shaft. When the motor rotates, the eccentric block generates a periodically changing centrifugal force, thereby causing the entire motor to vibrate. This vibration force can be adjusted by adjusting the mass or position of the eccentric block to adjust its amplitude and frequency. A bending tube 8 is passed through the top of the screening bin 2 and the top of the inner wall. The bent end of the bending tube 8 extends to the inside of the mounting ring 5 and is close to one side of the inner wall of the mounting ring 5. The top of the bending tube 8 is located outside the screening bin 2 and is rotatably connected to a feed pipe 10. The bending tube 8 is connected to the feed pipe 10. The pipe surface of the bending tube 8 and the top of the screening bin 2 are equipped with an electric rotating assembly 9. The resilience of the compression spring 4 can block the resonance brought to the mounting seat 3 when the mounting ring 5 vibrates, so that the screening bin 2 as a whole will not vibrate due to the operation of the vibration motor 7. The top of the feed pipe 10 is connected to the external rice storage bin delivery pipeline.
[0024] See also Figure 2-4 The bottom of the screening bucket 6 is connected to a pipe joint 11, and the pipe joint 11 is connected to a solenoid valve, which is connected to an external power supply and is provided with a power control switch. The bottom of the pipe joint 11 is connected to a telescopic hose 12, which can be flexibly telescoped and adjusted as the screening bucket 6 vibrates. The bottom end of the telescopic hose 12 is connected to a discharge pipe 13, which is bent, and a solenoid valve is provided on the discharge pipe 13, which is connected to an external power supply and is provided with a power control switch. One end of the discharge pipe 13 passes through the bottom of one side of the inner wall of the screening bin 2 and extends to the outside of the screening bin 2. The bottom of the screening bin 2 is connected to a discharge pipe 14, which is provided with a solenoid valve, which is connected to an external power supply and is provided with a power control switch. The bottom of the screening bin 2 is in an inverted bucket shape and has a drainage effect.
[0025] See also Figure 1-3The electric rotating assembly 9 includes a driven wheel 91 and a chassis 92. The driven wheel 91 is sleeved on the tube surface of the bending tube 8 and is located above the screening bin 2. The chassis 92 is fixedly connected to one side of the top of the screening bin 2. A servo motor 93 is fixedly connected to the inside of the chassis 92. The servo motor 93 is connected to an external power supply and is provided with a power control switch. The output end of the servo motor 93 is fixedly connected to a driving shaft 94. One end of the driving shaft 94 passes through the chassis 92 and extends to the top of the driven wheel 91. One end of the driving shaft 94 is located at the top of the driven wheel 91 and is fixedly connected to a driving wheel 95. The driven wheel 91 is fixedly connected to the bending tube 8, and the bending tube 8 is rotatably connected to the screening bin 2. The driving wheel 95 is engaged with the driven wheel 91, and the driving shaft 94 is rotatably connected to the chassis 92.
[0026] Specific implementation: by opening the external storage bin, the unscreened rice is transported to the inside of the bending pipe 8 through the feed pipe 10, and at the same time, the two vibration motors 7 and the servo motor 93 inside the electric rotating assembly 9 are started. The two vibration motors 7 can drive the mounting ring 5 to vibrate, and the mounting ring 5 drives the screening bucket 6 to vibrate, so that the rice transported by the bending pipe 8 can be vibrated and screened. The rice husks in the rice can be screened out through the sieve holes on the screening bucket 6, and the rice grains can be screened to the bottom of the screening bin 2 for storage. At the same time, the servo motor The machine 93 drives the driving shaft 94 to rotate, the driving shaft 94 drives the driving wheel 95 to rotate, the driving wheel 95 drives the driven wheel 91 to rotate, and the driven wheel 91 drives the bending tube 8 to rotate, so that the discharge port of the bending tube 8 can perform a circular motion inside the mounting ring 5, and the transported rice can be evenly distributed to various places inside the screening bucket 6, thereby ensuring that the rice slides evenly from top to bottom inside the screening bucket 6 for screening, and improving the utilization rate of the sieve holes inside the screening bucket 6, thereby effectively improving the rice screening processing efficiency.
[0027] By opening the valve on the discharge pipe 14, the sieved rice grains can be discharged in a centralized manner. By opening the valve on the pipe joint 11, the rice husks and other impurities sieved inside the screening bucket 6 can be discharged into the interior of the telescopic hose 12. The valve on the discharge pipe 13 can be opened to discharge the impurities in a centralized manner. The telescopic hose 12 can be flexibly extended and retracted as the screening bucket 6 vibrates. The bottom of the screening bucket 6 is spherical, so that the sieved impurities can be discharged in a centralized manner, effectively reducing the residue inside the screening device and improving the cleaning convenience of the rice screening and processing device.
[0028] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. An efficient screening device for rice processing, comprising a mounting frame (1) and a screening chamber (2), characterized in that: The screening bin (2) is fixedly connected to the top of the mounting frame (1); the chamber of the screening bin (2) is cylindrical; the inner cylindrical surface of the screening bin (2) is evenly and fixedly connected to a plurality of mounting seats (3); the top of each mounting seat (3) is fixedly connected to a compression spring (4); the tops of the plurality of compression springs (4) are fixedly connected to a mounting ring (5); the ring mouth at the bottom of the mounting ring (5) is provided with a screening bucket (6); the bottom of the screening bucket (6) is spherical; Both sides of the top of the mounting ring (5) are fixedly connected to a vibration motor (7), a bending tube (8) is passed through between the top of the screening bin (2) and the top of the inner wall, the bending end of the bending tube (8) extends to the inside of the mounting ring (5) and is close to one side of the inner wall of the mounting ring (5), the top of the bending tube (8) is rotatably connected to a feed pipe (10) located outside the screening bin (2), and an electric rotating component (9) is installed on the tube surface of the bending tube (8) and located at the top of the screening bin (2).
2. The high-efficiency screening device for rice processing according to claim 1, characterized in that: The bottom of the screening bucket (6) is connected to a pipe joint (11), and the bottom of the pipe joint (11) is connected to a telescopic hose (12).
3. The high-efficiency screening device for rice processing according to claim 2, characterized in that: The bottom end of the telescopic hose (12) is connected to a discharge pipe (13), and the discharge pipe (13) is bent.
4. The high-efficiency screening device for rice processing according to claim 3, characterized in that: One end of the discharge pipe (13) passes through the bottom of one side of the inner wall of the screening bin (2) and extends to the outside of the screening bin (2). The bottom of the screening bin (2) is connected to a discharge pipe (14).
5. The high-efficiency screening device for rice processing according to claim 1, characterized in that: The electric rotating assembly (9) comprises a driven wheel (91) and a chassis (92), wherein the driven wheel (91) is sleeved on the tube surface of the bending tube (8) and is located above the screening bin (2), and the chassis (92) is fixedly connected to one side of the top of the screening bin (2). A servo motor (93) is fixedly connected inside the chassis (92), and an output end of the servo motor (93) is fixedly connected to a driving shaft (94), one end of the driving shaft (94) passes through the chassis (92) and extends to the top of the driven wheel (91), and one end of the driving shaft (94) is fixedly connected to a driving wheel (95) located at the top of the driven wheel (91).
6. The high-efficiency screening device for rice processing according to claim 5, characterized in that: The driven wheel (91) is fixedly connected to the bending tube (8), and the bending tube (8) is rotationally connected to the screening bin (2).
7. The high-efficiency screening device for rice processing according to claim 5, characterized in that: The driving wheel (95) is meshed with the driven wheel (91), and the driving shaft (94) is rotationally connected to the chassis (92).