Rice processing impurity screening device
By designing a rice processing impurity screening device and using airflow separation and circulation screening mechanisms, the problem of poor separation effect between rice and chaff in existing equipment is solved, achieving a more efficient screening effect.
Patent Information
- Application Number
- CN202420347025.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-26
AI Technical Summary
During the rice processing process, existing screening equipment is prone to poor screening effect due to clogging and deformation of the grain chaff, which affects the separation effect of the rice.
A rice processing impurity screening device is designed, using screening frames, blower motors, fan blades, feeding frames and sewage pipes to separate rice and chaff through airflow, and through connecting pipes, avoiding pipes, discharge pipes, and electric push rods. Components such as this realize cyclic screening of rice to ensure the screening effect.
Through the airflow separation and circulation screening mechanism, the separation efficiency between rice and chaff is significantly improved, ensuring the screening effect of rice, and avoiding the impact of chaff clogging and deformation.
Smart Images

Figure CN222174749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rice processing equipment, in particular to a rice processing impurity screening device. Background Art
[0002] Rice is one of the main foods of people. It is also called rice. It is a food made from rice after processes such as cleaning, husking, milling, and finished product sorting. During the rice processing, people need to separate and screen the rice from the husk, and this requires the use of screening equipment.
[0003] There are many kinds of rice screening equipment. In the past, people mostly used hand-held sieves to pour rice into them and then shook the sieve for screening. Now, most people use mechanized screening, that is, the screening plate is driven by a motor to shake to screen the rice. This method improves the screening efficiency of rice, but the screening of rice by the above method is still not clean enough. In the actual screening process of rice, firstly, the husk is easy to block the screening plate, and secondly, the husk is easy to deform after being separated from the rice. When the screening plate is shaken, the rice is easy to squeeze the husk and drive the husk to move together, thereby affecting the screening effect of rice.
[0004] Therefore, it is necessary to provide a rice processing impurity screening device to solve the above technical problems. Utility Model Content
[0005] The technical problem solved by the utility model is to provide a rice processing impurity screening device which is simple to operate and has good screening effect.
[0006] In order to solve the above technical problems, the utility model provides a rice processing impurity screening device, comprising: a screening frame, an air blast frame and a material receiving frame are fixedly installed on the outer walls on both sides of the screening frame, the bottom of the screening frame is set as opening three, the air blast frame and the material receiving frame are both connected to the screening frame, the air blast frame is provided with an air blast mechanism, a sewage pipe is fixedly installed on the bottom of the material receiving frame, a solenoid valve is provided on the sewage pipe, a lifting cylinder is provided on one side of the screening frame, an auger is provided on the lifting cylinder, a feed hopper is fixedly installed on the outer wall of the lifting cylinder, a connecting pipe one is fixedly installed on the outer wall of the lifting cylinder, and the other end of the connecting pipe one is connected to the top of the screening frame.
[0007] Preferably, the blowing mechanism includes: a blower motor, fan blades, a filter plate and multiple filter screens, the blower is fixedly mounted on an outer wall of one side of the blower frame, the output shaft of the blower motor extends into the blower frame, the fan blades are arranged in the blower frame, the fan blades are fixedly sleeved on the output shaft of the blower motor, the filter plate is fixedly mounted on the inner wall of the blower frame, a plurality of ventilation openings are opened on an outer wall of one side of the blower frame, and a plurality of filter screens are respectively fixedly mounted in the plurality of ventilation openings.
[0008] Preferably, the top of the material receiving frame is set as opening 2, and filter screen 2 is fixedly installed on the inner wall of opening 2.
[0009] Preferably, a connecting tube 2 is provided at the bottom of the screening frame, the top of the connecting tube 2 is connected with the opening 3, the other end of the connecting tube 2 is connected with the bottom of the lifting cylinder, a avoidance tube is fixedly installed on the outer wall of the connecting tube 2, a discharge pipe is fixedly installed on the outer wall of the avoidance tube, a discharge port is opened on the outer wall of the connecting tube 2, the discharge port is connected with the avoidance tube, a sealing plug is provided in the discharge port, an electric push rod is provided below the avoidance tube, the telescopic shaft of the electric push rod extends to the avoidance tube, and the telescopic shaft of the electric push rod is fixedly connected to the bottom of the sealing plug.
[0010] Preferably, the bottom inner wall of the screening frame is configured to be bucket-shaped, and the bottom inner wall of the receiving frame is configured to be an inclined surface.
[0011] Preferably, a support frame is fixedly installed on the bottom of the screening frame, the bottom of the electric push rod is connected to the top of the support frame, and a reinforcement frame is fixedly installed on the outer wall of the lifting cylinder.
[0012] Compared with the related art, the rice processing impurity screening device provided by the utility model has the following beneficial effects:
[0013] The utility model provides a rice processing impurity screening device, which can separate rice from husks through a screening frame, a blower motor, fan blades, a material receiving frame and a sewage pipe by blowing airflow, thereby ensuring the rice screening effect;
[0014] By setting up the connecting pipe 2, the avoidance pipe, the discharge pipe, the discharge port, the sealing plug, the electric push rod, the lifting cylinder, the auger and the connecting pipe 1, the cyclic screening of rice can be completed and the screening effect of rice can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the three-dimensional structure of the rice processing impurity screening device provided by the utility model;
[0016] Figure 2Another three-dimensional structural schematic diagram of the rice processing impurity screening device provided by the utility model;
[0017] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the lifting cylinder and the connecting pipe 2 in the rice processing impurity screening device provided by the utility model;
[0018] Figure 4 The present invention is a schematic diagram of a three-dimensional cross-sectional structure of a rice processing impurity screening device provided by the utility model.
[0019] Numbers in the figure: 1. Screening frame; 2. Support frame; 3. Lifting cylinder; 4. Connecting frame; 5. Feed hopper; 6. Connecting pipe 1; 7. Auger; 9. Blowing frame; 10. Receiving frame; 11. Blowing motor; 12. Filter screen 1; 13. Fan blades; 14. Filter plate; 15. Filter screen 2; 16. Drain pipe; 17. Solenoid valve; 18. Connecting pipe 2; 19. Avoidance pipe; 20. Discharge pipe; 21. Discharge port; 22. Sealing plug; 23. Electric push rod; 24. Reinforcement frame. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0021] Please refer to Figure 1-Figure 4 ,in, Figure 1 A schematic diagram of the three-dimensional structure of the rice processing impurity screening device provided by the utility model; Figure 2 Another three-dimensional structural schematic diagram of the rice processing impurity screening device provided by the utility model; Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the lifting cylinder and the connecting pipe 2 in the rice processing impurity screening device provided by the utility model; Figure 4 The present invention provides a three-dimensional cross-sectional structural diagram of a rice processing impurity screening device. The rice processing impurity screening device comprises: a screening frame 1, on the outer walls of both sides of the screening frame 1, an air blast frame 9 and a material receiving frame 10 are fixedly installed, the top of the material receiving frame 10 is set as an opening 2, and a filter screen 2 15 is fixedly installed on the inner wall of the opening 2, the bottom inner wall of the screening frame 1 is set as a bucket shape, the bottom inner wall of the material receiving frame 10 is set as an inclined surface, the bottom of the screening frame 1 is set as an opening 3, the air blast frame 9 and the material receiving frame 10 are both connected to the screening frame 1, the air blast frame 9 is provided with an air blowing mechanism, and the bottom of the material receiving frame 10 is provided with a filter screen 2. A sewage pipe 16 is fixedly installed, and a solenoid valve 17 is provided on the sewage pipe 16. A lifting cylinder 3 is provided on one side of the screening frame 1. Two connecting frames 4 are fixedly sleeved on the outer wall of the lifting cylinder 3. The two connecting frames 4 are fixedly connected to the outer wall of one side of the screening frame 1 through multiple mounting bolts. An auger 7 is provided on the lifting cylinder 3. A feed hopper 5 is fixedly installed on the outer wall of the lifting cylinder 3. A connecting pipe 6 is fixedly installed on the outer wall of the lifting cylinder 3, and the other end of the connecting pipe 6 is connected to the top of the screening frame 1.
[0022] The blowing mechanism includes: a blower motor 11, fan blades 13, a filter plate 14 and multiple filter screens 12. The blower motor 11 is fixedly installed on the outer wall of one side of the blower frame 9. The output shaft of the blower motor 11 extends into the blower frame 9. The fan blades 13 are arranged in the blower frame 9. The fan blades 13 are fixedly sleeved on the output shaft of the blower motor 11. The filter plate 14 is fixedly installed on the inner wall of the blower frame 9. Multiple ventilation holes are opened on the outer wall of one side of the blower frame 9. Multiple filter screens 12 are respectively fixedly installed in the multiple ventilation holes.
[0023] A connecting pipe 2 18 is provided at the bottom of the screening frame 1, the top of the connecting pipe 2 18 is connected with the opening 3, the other end of the connecting pipe 2 18 is connected with the bottom of the lifting cylinder 3, a bypass pipe 19 is fixedly installed on the outer wall of the connecting pipe 2 18, a discharge pipe 20 is fixedly installed on the outer wall of the bypass pipe 19, a discharge port 21 is opened on the outer wall of the connecting pipe 2 18, the discharge port 21 is connected with the bypass pipe 19, a sealing plug 22 is provided in the discharge port 21, an electric push rod 23 is provided below the bypass pipe 19, the telescopic shaft of the electric push rod 23 extends to the bypass pipe 19, the telescopic shaft of the electric push rod 23 is fixedly connected to the bottom of the sealing plug 22, a support frame 2 is fixedly installed at the bottom of the screening frame 1, the bottom of the electric push rod 23 is connected to the top of the support frame 2, and a reinforcement frame 24 is fixedly installed on the outer wall of the lifting cylinder 3.
[0024] In this embodiment:
[0025] When in use, the rice to be screened can be placed in the feed hopper 5, and the rice can be transported to the lifting cylinder 3 through the feed hopper 5, and the rice can be driven to rise by the auger 7, and then the rice can be transported to the screening frame 1 through the connecting pipe 1 6, and then the blower motor 11 is started to drive the fan blades 13 to rotate, and the airflow is driven to blow the rice, and the husk mixed in the rice enters the receiving frame 10 under the action of the airflow, and then discharged through the sewage pipe 16, and the filtered rice enters the connecting pipe 2 18, and the electric push rod 23 can be started at this time to drive the sealing plug 22 to shrink, so that the rice will be discharged through the discharge pipe 20, and the rice screening is completed, and when the rice screening effect is poor, the sealing plug 22 can be restored to the initial state, and the discharge port 21 is blocked, thereby, the filtered rice returns to the lifting cylinder 3 through the connecting pipe 2 18, so that the rice can be returned to the screening frame 1 for screening again, thereby improving the rice screening effect.
[0026] Compared with the related art, the rice processing impurity screening device provided by the utility model has the following beneficial effects:
[0027] The screening frame 1, the blower motor 11, the fan blades 13, the material receiving frame 10 and the sewage pipe 16 can separate the rice from the husk by blowing the airflow, thereby ensuring the screening effect of the rice;
[0028] By setting the connecting pipe 2 18, the avoidance pipe 19, the discharge pipe 20, the discharge port 21, the sealing plug 22, the electric push rod 23, the lifting cylinder 3, the auger 7 and the connecting pipe 1 6, the circular screening of rice can be completed and the screening effect of rice can be guaranteed.
[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A rice processing impurity screening device, comprising: The screening frame is characterized in that an air blast frame and a material receiving frame are fixedly installed on the outer walls on both sides of the screening frame, the bottom of the screening frame is set as opening three, the air blast frame and the material receiving frame are both connected with the screening frame, the air blast frame is provided with an air blast mechanism, a sewage pipe is fixedly installed on the bottom of the material receiving frame, a solenoid valve is provided on the sewage pipe, a lifting cylinder is provided on one side of the screening frame, an auger is provided on the lifting cylinder, a feed hopper is fixedly installed on the outer wall of the lifting cylinder, a connecting pipe one is fixedly installed on the outer wall of the lifting cylinder, and the other end of the connecting pipe one is connected with the top of the screening frame.
2. The rice processing impurity screening device according to claim 1, characterized in that: The blowing mechanism includes: a blower motor, fan blades, a filter plate and multiple filter screens. The blower is fixedly installed on an outer wall of one side of the blower frame. The output shaft of the blower motor extends into the blower frame. The fan blades are arranged in the blower frame. The fan blades are fixedly sleeved on the output shaft of the blower motor. The filter plate is fixedly installed on the inner wall of the blower frame. Multiple ventilation holes are opened on the outer wall of one side of the blower frame. Multiple filter screens are respectively fixedly installed in the multiple ventilation holes.
3. The rice processing impurity screening device according to claim 1, characterized in that: The top of the material receiving frame is set as opening 2, and a filter screen 2 is fixedly installed on the inner wall of the opening 2.
4. The rice processing impurity screening device according to claim 1, characterized in that: A connecting pipe 2 is provided at the bottom of the screening frame, the top of the connecting pipe 2 is connected with the opening 3, the other end of the connecting pipe 2 is connected with the bottom of the lifting cylinder, a bypass pipe is fixedly installed on the outer wall of the connecting pipe 2, a discharge pipe is fixedly installed on the outer wall of the bypass pipe, a discharge opening is opened on the outer wall of the connecting pipe 2, the discharge opening is connected with the bypass pipe, a sealing plug is provided in the discharge opening, an electric push rod is provided below the bypass pipe, the telescopic shaft of the electric push rod extends to the bypass pipe, and the telescopic shaft of the electric push rod is fixedly connected to the bottom of the sealing plug.
5. The rice processing impurity screening device according to claim 1, characterized in that: The bottom inner wall of the screening frame is configured to be bucket-shaped, and the bottom inner wall of the receiving frame is configured to be an inclined surface.
6. The rice processing impurity screening device according to claim 4, characterized in that: A support frame is fixedly installed on the bottom of the screening frame, the bottom of the electric push rod is connected to the top of the support frame, and a reinforcement frame is fixedly installed on the outer wall of the lifting cylinder.
