Rice grading and selecting device
By designing a rice grading and selection device, a combination of a main screening frame, a sliding frame, a conveying frame, and a threaded frame is used to achieve multiple grading and screening of rice, solving the problems of incomplete grains and impurity residues in existing technologies and improving the screening quality of rice.
Patent Information
- Application Number
- CN202423304655.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing rice grading and screening devices cannot effectively repeat the screening process, resulting in incomplete grains and impurities remaining, which affects the quality of rice.
Design a rice grading and selection device, including a main screening frame, a main sliding frame, a conveying frame, a secondary screening frame, and a threaded frame. By controlling the motor to drive the rotating rod to rotate the threaded frame, the rice slides along the threaded frame. Combined with multiple separators, multiple screenings are performed to ensure the effective removal of incomplete grains and impurities.
This technology enables multiple grading and screening of rice, improving the quality of rice screening and ensuring the effective removal of incomplete grains and impurities from the rice.
Smart Images

Figure CN223748036U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rice grading technical field, concretely is a rice grading and selecting device. BACKGROUND
[0002] At present, the production process of rice processing enterprises is raw material purchase, screening, stone removal, magnetic separation, rice hulling, rice and bran separation, rice milling, color selection, polishing, finished product packaging. After the above-mentioned multiple steps, the rice contains complete grains, incomplete grains and impurities, which is not conducive to the packaging and sales of rice, so it is required to grade and screen the rice.
[0003] At present, the rice grading and screening is relatively simple, and cannot repeatedly screen the rice, which easily leads to the residual of incomplete grains and impurities in the rice. The simple grading and screening cannot effectively remove the incomplete grains and impurities, and it is required to repeatedly grade and screen the rice. UTILITY MODEL CONTENT
[0004] The utility model provides a rice grading and selecting device, through main sieve frame, main sliding frame, conveying frame, vice sieve frame and screw frame, can make rice repeatedly grade and screen operation, thereby make rice along sieve frame slide, thereby make the incomplete grains and impurities in the rice fall, and make the screened rice repeatedly screen operation, thereby improve the quality of rice screening.
[0005] In order to realize the above object, the utility model realizes through the following technical scheme: a rice grading and selecting device, comprising:
[0006] The outer wall top of the fixed inner frame is fixedly provided with a main sieve frame, the outer wall bottom of the main sieve frame is fixedly provided with a main sliding frame, the inner wall of the main sliding frame is fixedly provided with a conveying frame, the inner wall of the conveying frame is communicated to the fixed inner frame, the outer wall of the conveying frame is fixedly provided with a vice sieve frame, the inner wall of the fixed inner frame is rotatably embedded with a rotating rod, the outer wall of the rotating rod is fixedly provided with a screw frame, a plurality of outlets are formed in the upper surface of the outer wall of the fixed inner frame, and a closing cover is threadedly provided at the bottom end of the outer wall of the fixed inner frame.
[0007] As a rice grading and selecting device of the utility model, the outer wall top of the fixed inner frame is fixedly provided with a control motor, and the output end of the control motor is fixedly arranged on the rotating rod.
[0008] As a rice grading and selecting device of the utility model, the inner wall of the conveying frame is fixedly embedded with a plurality of output frames, and the plurality of output frames are equidistantly arranged along the circumferential surface.
[0009] As a rice grading and selecting device of the utility model, the inner wall of the vice sieve frame is fixedly provided with a plurality of vice partition plates, and the plurality of vice partition plates are equidistantly arranged along the circumferential surface.
[0010] As the utility model discloses a rice grading and selecting device, the outer wall top of main sieve frame is fixed with a plurality of main partition plates, and the plurality of main partition plates are equidistantly arranged along the circumferential surface.
[0011] As the utility model discloses a rice grading and selecting device, the outer wall bottom of a plurality of main partition plates is fixed on a plurality of auxiliary partition plates respectively.
[0012] As the utility model discloses a rice grading and selecting device, the outer wall bottom of auxiliary sieve frame is fixed with auxiliary sliding frame, and the inner wall of auxiliary sliding frame is fixed on conveying frame.
[0013] The utility model provides a rice grading and selecting device, has the following beneficial effect:
[0014] (1) the rice grading and selecting device, through main sieve frame, main sliding frame, conveying frame, auxiliary sieve frame and screw thread frame, can make rice repeat grading and selecting operation, thereby making rice along sieve frame sliding, thereby making the incomplete grain and impurity in rice fall, and making the rice of screening repeat screening operation, thereby improving the quality of rice screening. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the front view of the utility model;
[0016] Figure 2 It is the section view of the utility model;
[0017] Figure 3 It is the explosion drawing of the utility model;
[0018] Figure 4 It is the structure diagram of fixed inner frame 1 in the utility model.
[0019] In the drawing: 1, fixed inner frame;2, main sieve frame;3, main sliding frame;4, conveying frame;5, auxiliary sieve frame;6, rotating rod;7, control motor;8, output frame;9, auxiliary partition plate;10, main partition plate;11, auxiliary sliding frame;12, screw thread frame;13, closure cover;14, first outlet;15, second outlet;16, interlayer;17, first feeding port;18, second feeding port;19, blanking passage. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides a technical scheme: a rice grading and selecting device, which comprises:
[0022] The outer wall top of the fixed inner frame 1 is fixedly provided with a main screening frame 2, the outer wall bottom of the main screening frame 2 is fixedly provided with a main sliding frame 3, the inner wall of the main sliding frame 3 is fixedly provided with a conveying frame 4, the inner wall of the conveying frame 4 is in communication with the fixed inner frame 1, the outer wall of the conveying frame 4 is fixedly provided with a secondary screening frame 5, the inner wall of the fixed inner frame 1 is rotatably provided with a rotating rod 6, the outer wall of the rotating rod 6 is fixedly provided with a threaded frame 12, a plurality of outlets are formed in the outer wall of the fixed inner frame 1, and a closing cover 13 is threadedly provided at the bottom end of the outer wall of the fixed inner frame 1. The threaded frame 12 is a spiral conveying blade.
[0023] The plurality of outlets on the fixed inner frame 1 comprise a first outlet 14 and a second outlet 15, the first outlet 14 is uniformly formed in the upper portion of the fixed inner frame 1 in the circumferential direction and is higher than the top surface of the main screening frame 2, and the second outlet 15 is uniformly formed in the lower portion of the fixed inner frame 1 in the circumferential direction.
[0024] The conveying frame 4 has an outer shell and an inner shell, a sandwich layer 16 is formed between the outer shell and the inner shell, a first feeding port 17 is formed in the top portion of the outer shell in the circumferential direction, a second feeding port 18 is formed in the bottom portion of the inner shell in the circumferential direction, the first feeding port 17 and the second feeding port 18 are in communication with the sandwich layer 16, the upper end of the first feeding port 17 is connected to the main sliding frame 3, the lower end of the first feeding port 17 is connected to the secondary screening frame 5, and the second feeding port 18 is in communication with the second outlet 15. The rice passing through the secondary screening frame 5 enters the sandwich layer 16 through the first feeding port 17 and then enters the fixed inner frame 1 through the second outlet 15.
[0025] In the embodiment, different sizes of screen holes are formed in the secondary screening frame 5 and the main screening frame 2, the rotating rod 6 can drive the threaded frame 12 to rotate in the fixed inner frame 1, the rice is conveyed upwards along the threaded frame 12, falls into the main screening frame 2 through the first outlet 14 and slides along the surface of the main screening frame 2 to the periphery, the incomplete grains and impurities in the rice fall from the screen holes, and the rice is further conveyed into the conveying frame 4 along the main sliding frame 3, the rice is further screened in the secondary screening frame 5 after being screened in the main screening frame 2, and the closing cover 13 can seal the bottom of the fixed inner frame 1.
[0026] Specifically, the outer wall top of the fixed inner frame 1 is fixedly provided with a control motor 7, and the output end of the control motor 7 is fixedly provided on the rotating rod 6.
[0027] In the embodiment, the output end of the control motor 7 drives the rotating rod 6 to rotate under the condition of being electrified.
[0028] Specifically, the inner wall of the conveying frame 4 is fixedly embedded with a plurality of output frames 8, which are equidistantly arranged on the bottom of the conveying frame 4 along the circumferential surface of the conveying frame 4. The output frame 8 is of a rectangular structure, and a vertical hole is formed in the output frame 8, which is in communication with the inside of the conveying frame 4. The incomplete grains and impurities falling in the conveying frame 4 fall out of the vertical hole of the output frame 8.
[0029] In this embodiment, the plurality of output frames 8 can make the incomplete grains and impurities in the conveying frame 4 fall out.
[0030] Specifically, the inner wall of the conveying frame 4 is fixedly embedded with a plurality of output frames 8, which are equidistantly arranged on the bottom of the conveying frame 4 along the circumferential surface of the conveying frame 4. The output frame 8 is of a rectangular structure, and a vertical hole is formed in the output frame 8, which is in communication with the inside of the conveying frame 4. The incomplete grains and impurities falling in the conveying frame 4 fall out of the vertical hole of the output frame 8.
[0031] In this embodiment, the plurality of output frames 8 can make the incomplete grains and impurities in the conveying frame 4 fall out.
[0032] Specifically, the outer wall of the main screening frame 2 is fixedly provided with a plurality of main partition plates 10 on the top, and the plurality of main partition plates 10 are equidistantly arranged along the circumferential surface. The top of the secondary partition plate 9 is provided with a slot, and the end of the main partition plate 10 is provided with a plug plate which is inserted into the slot to realize the connection between the main screening frame 2 and the secondary screening frame 5, as shown in Figure 1 and Figure 2 .
[0033] In this embodiment, the plurality of main partition plates 10 can make the rice slide on the main screening frame 2.
[0034] In this embodiment, the plurality of main partition plates 10 and the plurality of secondary partition plates 9 are fixed together to provide support.
[0035] Specifically, the outer wall of the secondary screening frame 5 is fixedly provided with a secondary sliding frame 11 on the bottom, and the inner wall of the secondary sliding frame 11 is fixedly sleeved on the conveying frame 4. The inner wall of the secondary sliding frame 11 and the outer wall of the conveying frame 4 form a falling channel 19 for the incomplete grains and impurities to fall out.
[0036] In this embodiment, the secondary sliding frame 11 can make the incomplete grains and impurities falling from the main screening frame 2 fall out.
[0037] When working, rice is conveyed to the top of the main screening frame 2 by a conveyor belt or other type of conveying mechanism, and slowly falls on the main screening frame 2, and the rice slides along the surface of the main screening frame 2 to the auxiliary screening frame 5, while the incomplete grains and impurities in the rice fall through the screen holes to the main sliding frame 3 and slide into the conveying frame 4, and finally fall out of the output frame 8; the rice screened by the main screening frame 2 slides along the auxiliary screening frame 5, and the incomplete grains and impurities therein fall from the screen holes and are discharged from the device through the material falling channel 19, and the rice screened by the auxiliary screening frame 5 enters the interlayer 16 of the conveying frame 4 through the first feeding port 17 and enters the fixed inner frame 1 through the second feeding port 18. The control motor 7 drives the rotating rod 6 to rotate, thereby driving the threaded frame 12 to rotate in the fixed inner frame 1, so that the rice is conveyed upward along the threaded frame 12, is output from the first outlet 14, and falls on the main screening frame 2. The above steps can be repeated to perform multiple classification and screening operations on the rice, thereby improving the quality of rice screening. In this embodiment, the plurality of auxiliary partition plates 9 can disperse the rice on the auxiliary screening frame 5 for screening, the plurality of main partition plates 10 can separate the sliding of the rice on the main screening frame 2, and the plurality of main partition plates 10 and the plurality of auxiliary partition plates 9 are fixed together to provide support. After the rice screening is completed, the closure cover 13 is removed, the control motor 7 drives the threaded frame 12 to rotate in the opposite direction, so that the rice flows out from the bottom end of the fixed inner frame 1.
[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A rice grading and sorting apparatus, characterized by, Include: The fixed inner frame (1), the outer wall top of the fixed inner frame (1) is fixedly sleeved with the main screening frame (2), the outer wall bottom of the main screening frame (2) is fixedly provided with the main sliding frame (3), the inner wall of the main sliding frame (3) is fixedly provided with the conveying frame (4), the inner wall of the conveying frame (4) is communicated on the fixed inner frame (1), the outer wall of the conveying frame (4) is fixedly sleeved with the vice screening frame (5), the inner wall of the fixed inner frame (1) is rotatably embedded with the rotating rod (6), the outer wall of the rotating rod (6) is fixedly sleeved with the threaded frame (12), the outer wall of the fixed inner frame (1) is provided with a plurality of outlets on the upper surface, and the outer wall bottom of the fixed inner frame (1) is threadedly sleeved with the closing cover (13).
2. The rice grading and polishing apparatus according to claim 1, wherein: The outer wall bottom of the fixed inner frame (1) is fixedly provided with a control motor (7), and the output end of the control motor (7) is fixedly provided on the rotating rod (6).
3. A rice grading and polishing apparatus according to claim 2, wherein: The inner wall of the conveying frame (4) is fixedly embedded with a plurality of output frames (8), and a plurality of the output frames (8) are arranged equidistantly along the circumferential surface.
4. The rice grading and polishing apparatus according to claim 3, wherein: The inner wall of the vice screening frame (5) is fixedly provided with a plurality of vice partition plates (9), and a plurality of the vice partition plates (9) are arranged equidistantly along the circumferential surface.
5. A rice grading and polishing apparatus according to claim 4, wherein: The outer wall top of the main screening frame (2) is fixedly provided with a plurality of main partition plates (10), and a plurality of the main partition plates (10) are arranged equidistantly along the circumferential surface.
6. A rice grading and polishing apparatus according to claim 5, wherein: The outer wall bottom of a plurality of the main partition plates (10) is fixedly provided on a plurality of the vice partition plates (9) respectively.
7. A rice grading and polishing apparatus according to claim 6, wherein: The outer wall bottom of the vice screening frame (5) is fixedly provided with the vice sliding frame (11), and the inner wall of the vice sliding frame (11) is fixedly sleeved on the conveying frame (4).