Rice processing and screening device
By combining shaking and wind screening mechanisms, the rice processing screening device solves the problems of poor screening effect and impurity residue in existing devices, and achieves efficient separation and classification of rice and impurities for storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing rice screening devices have poor screening effects, are prone to leaving impurities, and are not convenient for separating and transporting the screened impurities and rice.
The design combines a shaking screening and classification storage mechanism with a wind screening mechanism. A rotating motor drives a rotating rod to drive a sprocket and chain, realizing the up-and-down reciprocating motion of the screen. A fan and a dust extraction channel are used to separate dust. Combined with the inclined screen and the limit rod, the rice and impurities are transported separately and stored separately.
It improves screening efficiency and convenience, effectively separates rice from impurities, prevents dust pollution, and facilitates the classification and recycling of impurities and rice grains.
Smart Images
Figure CN224010392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rice screening technical field, concretely is a rice processing screening device. BACKGROUND
[0002] Rice is a kind of grass rice, and is also the most important and long rice as food in rice, also called as Asian type cultivated rice, after harvesting, rice needs to be dried, and is processed, so that impurities, small stones and chaff are mixed in rice, so screening is needed first;
[0003] But the screening effect of the prior screening device is poor, impurities are easily left or rice is screened out, and the screened impurities and rice are inconvenient to transport, therefore, to avoid the above technical problems, it is necessary to provide a rice processing screening device to overcome the defects in the prior art. UTILITY MODEL CONTENT
[0004] The utility model provides a rice processing screening device, can effectively solve the screening effect of the prior screening device being poor, impurities being easily left or rice being screened out, and the screened impurities and rice being inconvenient to transport.
[0005] To achieve the above object, the utility model provides the following technical scheme: a rice processing screening device, including bottom plate, the bottom plate top end middle part position department is connected with screening box, and the screening box top end middle part position department is connected with feeding channel, the screening box is internally provided with shaking screening and classification storage mechanism, the shaking screening and classification storage mechanism includes sliding plate, frame, screen, limiting rod, tension spring, connecting plate, stroke sliding slot, rotating rod, swing plate, shift lever, chain wheel, chain and rotating motor;
[0006] The sliding plate is symmetrically and equidistantly connected to the inner wall of the screening box, two frames are connected to the sliding plates on the same side through bolts, the screen is equidistantly connected to the inner walls of the two frames, the limiting rods are equidistantly connected to the top and bottom ends of the two frames, and the tension springs are connected to the outer sides of the limiting rods on the top and bottom ends of the frame;
[0007] Two connecting plates are symmetrically clamped between the two frames, stroke sliding grooves are equidistantly formed at two ends of the two connecting plates, rotating rods are rotatably connected to the connecting plates at positions equidistant from the two ends of the screening box, two swing plates are clamped at positions corresponding to the inside of the screening box outside the two rotating rods on the same side, a push rod is rotatably connected to the swing plate at a position corresponding to the inside of the stroke sliding groove, chain wheels are fixedly sleeved to the outside of the two rotating rods on the same side at positions corresponding to the outside of the screening box, chains are sleeved to the outside of the two chain wheels, and a rotating motor is fixedly connected to the screening box at a position corresponding to one side of the rotating rod at the other end of the screening box through a mounting plate.
[0008] Preferably, air force screening mechanisms are arranged at positions corresponding to both sides of the feeding channel at the top end of the screening box, and the air force screening mechanism comprises a dust suction channel, an inner frame, a dust collection box, a dustproof net, a vertical plate, a fan and a guide plate.
[0009] The dust suction channel is clamped at positions corresponding to both sides of the feeding channel at the top end of the screening box, the inner frame is equidistantly clamped to the inner wall of the dust suction channel, the dust collection box is slidably connected to the inner wall of the dust suction channel at a position between the two inner frames, the dustproof net is clamped to one end of the dust collection box, the vertical plate is equidistantly clamped to the inner wall of the dust suction channel at a position corresponding to the outside of the inner frame, the fan is clamped to the inside of the dust suction channel through the vertical plate, and the guide plate is clamped to the inner wall of the feeding channel at a position corresponding to the top of the dust suction channel.
[0010] Preferably, the screen is installed in an inclined manner, the inclination direction of the screen at the middle position of the frame is opposite to the inclination directions of the other two screens, the screen at the middle position of the frame has a smaller aperture than the rice grains, and the rotating motor is powered by an external power source.
[0011] Preferably, one end of the dust collection box penetrates one end of the dust suction channel, a handle is clamped to one end of the dust collection box, and the fan is powered by an external power source.
[0012] Preferably, a single-layer shelf is clamped to a position corresponding to one side of the screening box at the top end of the bottom plate, a double-layer shelf is clamped to a position corresponding to the other side of the screening box at the top end of the bottom plate, storage boxes are movably connected to the inside of the single-layer shelf and the double-layer shelf, and discharge channels are clamped to positions corresponding to the top of the storage boxes at both ends of the screening box.
[0013] Preferably, two storage boxes are movably connected to the inside of the double-layer shelf, the discharge channel is installed at a position corresponding to the installation position of the screen, notches are formed at positions corresponding to one side of the discharge channel on both sides of the screening box, and an extension inclined plate is clamped to a position corresponding to the inside of the notch at one end of the screen.
[0014] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, and use is safe and convenient.
[0015] 1. Equipped with a shaking screening and sorting storage mechanism, the rotating motor drives the rotating rods to rotate, and through the cooperation of sprockets and chains, the two rotating rods drive the swing plate to rotate together. Through the cooperation of the lever and the stroke slide, the connecting plate, frame and screen move up and down inside the screening box to screen the rice. Impurities larger than rice are blocked inside the uppermost screen, while rice falls into the screen in the middle of the frame. Then, as screening continues, impurities smaller than rice fall into the lowermost screen inside the frame, improving screening efficiency. At the same time, because the screen is tilted, rice and impurities are sent in different directions during screening, improving convenience. The cooperation of the limit rod and the tension spring enhances the screening effect of the screen.
[0016] 2. Equipped with a wind-powered screening mechanism, the falling rice is guided by a guide plate to be close to the dust collection channels on both sides. This allows the fan to easily absorb the lighter dust inside the rice into the dust collection channels, improving the wind-powered screening effect. At the same time, the dust collection box and dustproof net work together to block the dust, while the air is discharged through the other end of the dust collection channel to prevent dust from polluting the surrounding environment. In addition, the dust collection box can be pulled out for easy cleaning of dust to ensure the adsorption effect.
[0017] 3. It is equipped with single-layer racks, double-layer racks, storage boxes and discharge channels. Guided by the discharge channel, different impurities are classified and stored in the storage boxes inside the double-layer racks for easy recycling, while the screened rice grains are stored in the storage boxes inside the single-layer racks for subsequent processing. Attached Figure Description
[0018] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0019] In the attached diagram:
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the structure of the shaking screening and sorting storage mechanism of this utility model;
[0022] Figure 3 This is a schematic diagram of the installation structure of the screen of this utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the wind-powered screening mechanism of this utility model;
[0024] The diagram shows: 1. Base plate; 2. Screening box; 3. Feeding channel;
[0025] 4. Shaking screening and sorting storage mechanism; 401. Slide plate; 402. Frame; 403. Screen; 404. Limiting rod; 405. Tension spring; 406. Connecting plate; 407. Stroke groove; 408. Rotating rod; 409. Swing plate; 410. Lever; 411. Sprocket; 412. Chain; 413. Rotary motor;
[0026] 5. Wind-powered screening mechanism; 501. Dust suction channel; 502. Inner frame; 503. Dust collection box; 504. Dustproof net; 505. Vertical plate; 506. Fan; 507. Guide plate;
[0027] 6. Single-layer shelf; 7. Double-layer shelf; 8. Storage box; 9. Discharge channel. Detailed Implementation
[0028] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0029] Example: Figures 1-4 As shown, this utility model provides a technical solution: a rice processing screening device, including a base plate 1, a screening box 2 is snapped into the middle of the top of the base plate 1, and a feeding channel 3 is snapped into the middle of the top of the screening box 2. The screening box 2 is equipped with a shaking screening and sorting storage mechanism 4, which includes a sliding plate 401, a frame 402, a screen 403, a limiting rod 404, a tension spring 405, a connecting plate 406, a stroke groove 407, a rotating rod 408, a swing plate 409, a lever 410, a sprocket 411, a chain 412, and a rotary motor 413.
[0030] The inner wall of the screening box 2 is symmetrically connected with sliding plates 401 at equal intervals. The two sliding plates 401 on the same side are connected to the frame 402 by bolts. The inner walls of the two frames 402 are equidistantly clamped with screens 403. The top and bottom ends of the two frames 402 are equidistantly clamped with limit rods 404. The top and bottom ends of the frames 402 are clamped with tension springs 405 at the positions corresponding to the outer side of the limit rods 404.
[0031] The connecting plates 406 are symmetrically clamped between the two frames 402, stroke sliding grooves 407 are equidistantly arranged at the two ends of the two connecting plates 406, rotating rods 408 are equidistantly and rotatably connected to the positions outside the two ends of the two connecting plates 406, the outer sides of the two rotating rods 408 on the same side are clamped with swing plates 409 corresponding to the internal positions of the screening boxes 2, the one end of the swing plate 409 is rotatably connected with a push rod 410 corresponding to the internal position of the stroke sliding groove 407, the outer sides of the two rotating rods 408 on the same side are fixedly sleeved with sprockets 411 corresponding to the positions outside the screening boxes 2, the outer sides of the two sprockets 411 are sleeved with chains 412, the other end of the screening box 2 is fixedly connected with a rotating motor 413 through a mounting plate corresponding to the side position of the rotating rod 408, in order to convey the impurities and rice grains screened out, the screen meshes 403 are installed obliquely, and the oblique direction of the screen mesh 403 located at the middle position of the frame 402 is opposite to the oblique direction of the other two screen meshes 403, the aperture of the screen mesh 403 located at the middle position of the frame 402 is smaller than the rice grain, and the rotating motor 413 is powered by an external power supply;
[0032] The wind power screening mechanism 5 is arranged at the positions corresponding to the two sides of the feeding channel 3 at the top end of the screening box 2, and the wind power screening mechanism 5 comprises a dust suction channel 501, an inner frame 502, a dust collection box 503, a dustproof net 504, a vertical plate 505, a fan 506 and a guide plate 507.
[0033] The dust suction channel 501 is clamped at the positions corresponding to the two sides of the feeding channel 3 at the top end of the screening box 2, the inner frame 502 is equidistantly clamped on the inner wall of the two dust suction channels 501, the dust collection box 503 is slidably connected on the inner wall of the dust suction channel 501 between the two inner frames 502, the dustproof net 504 is clamped on the one end of the dust collection box 503, the vertical plate 505 is equidistantly clamped on the inner wall of the dust suction channel 501 corresponding to the positions outside the inner frame 502, the fan 506 is clamped in the dust suction channel 501 through the vertical plate 505, and the guide plate 507 is clamped on the inner wall of the feeding channel 3 corresponding to the top position of the dust suction channel 501, in order to facilitate the separation of dust, the one end of the dust collection box 503 penetrates the one end of the dust suction channel 501, and the one end of the dust collection box 503 is clamped with a handle, and the fan 506 is powered by an external power supply.
[0034] The single-layer shelf 6 is clamped at the position corresponding to one side of the screening box 2 at the top end of the bottom plate 1, the double-layer shelf 7 is clamped at the position corresponding to the other side of the screening box 2 at the top end of the bottom plate 1, and the storage boxes 8 are movably connected in the single-layer shelf 6 and the double-layer shelf 7, the discharge channels 9 are clamped at the positions corresponding to the top positions of the storage boxes 8 at the two ends of the screening box 2, in order to facilitate the classification and storage of impurities and rice grains, the two storage boxes 8 are movably connected in the double-layer shelf 7, the discharge channels 9 are arranged at positions corresponding to the installation positions of the screen meshes 403, and the screening box 2 is provided with notches at the positions corresponding to one side of the discharge channels 9, and the extension inclined plate is clamped at the position corresponding to the notch in the one end of the screen mesh 403.
[0035] The working principle and use process of the utility model are as follows: firstly, the rice is sent into the screening box 2 through the feeding channel 3, and the falling rice is guided to the dust suction channel 501 on both sides by the guide plate 507, so that the dust inside the rice is adsorbed into the dust suction channel 501 when the fan 506 rotates to draw air, and the dust is blocked by the cooperation of the dust collection box 503 and the dust screen 504, while the wind is discharged from the other end of the dust suction channel 501 to prevent dust pollution of the surrounding environment, and the dust collection box 503 is pulled out to facilitate dust cleaning and ensure the adsorption effect.
[0036] Then, the rice falls into the uppermost screen 403 in the frame 402, the rotary motor 413 is started, the rotary motor 413 drives the rotating rod 408 to rotate, and the cooperation of the sprocket 411 and the chain 412 drives the two rotating rods 408 to rotate together, drives the swing plate 409 to rotate, and drives the connecting plate 406, the frame 402 and the screen 403 to move up and down in the screening box 2 through the cooperation of the push rod 410 and the stroke sliding groove 407, so as to screen the rice, so that the impurities larger than the rice are blocked in the uppermost screen 403, and the rice falls into the screen 403 in the middle position of the frame 402, and the screening is continued, so that the impurities smaller than the rice fall into the screen 403 at the lowermost position in the frame 402, which improves the screening efficiency, and because the screen 403 is inclined, the rice and impurities are sent to different directions during screening, which improves the convenience, and the cooperation of the limiting rod 404 and the tension spring 405 increases the screening effect of the screen 403 and prevents deviation.
[0037] Finally, the conveyed rice and impurities fall into the discharge channel 9, and different impurities are classified and stored in the storage box 8 in the double-layer frame 7 through the guidance of the discharge channel 9, which is convenient for recycling, and the screened rice is stored in the storage box 8 in the single-layer frame 6, which is convenient for subsequent processing.
[0038] Finally, it should be pointed out that: the above-mentioned is only the preferred example of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A rice processing and screening device, comprising a base plate (1), characterized in that: A screening box (2) is snapped into the middle of the top of the base plate (1), and a feeding channel (3) is snapped into the middle of the top of the screening box (2). The screening box (2) is equipped with a shaking screening and classification storage mechanism (4). The shaking screening and classification storage mechanism (4) includes a sliding plate (401), a frame (402), a screen (403), a limiting rod (404), a tension spring (405), a connecting plate (406), a stroke groove (407), a rotating rod (408), a swing plate (409), a lever (410), a sprocket (411), a chain (412), and a rotary motor (413). The inner wall of the screening box (2) is symmetrically connected with sliding plates (401). The two sliding plates (401) on the same side are connected to a frame (402) by bolts. The inner walls of the two frames (402) are equidistantly fitted with screens (403). The top and bottom ends of the two frames (402) are equidistantly fitted with limit rods (404). Tension springs (405) are fitted at the top and bottom ends of the frames (402) at the positions corresponding to the outer side of the limit rods (404). A connecting plate (406) is symmetrically snapped between the two frames (402). Both ends of the two connecting plates (406) are provided with stroke grooves (407) at equal intervals. Both ends of the screening box (2) are rotatably connected to rotating rods (408) at equal intervals corresponding to the outer positions of the connecting plates (406). The outer positions of the two rotating rods (408) on the same side are snapped with swing plates (409) corresponding to the inner positions of the screening box (2). One end of the swing plate (409) is rotatably connected to a lever (410) corresponding to the inner position of the stroke groove (407). The outer positions of the two rotating rods (408) on the same side are fixedly sleeved with sprockets (411) corresponding to the outer positions of the screening box (2). The outer positions of the two sprockets (411) are both sleeved with chains (412). The other end of the screening box (2) is fixedly connected to a rotary motor (413) through a mounting plate at the position corresponding to one side of the rotating rods (408).
2. The rice processing and screening device according to claim 1, characterized in that: The top of the screening box (2) is equipped with a wind-powered screening mechanism (5) at both sides of the feeding channel (3). The wind-powered screening mechanism (5) includes a dust suction channel (501), an inner frame (502), a dust collection box (503), a dustproof net (504), a vertical plate (505), a fan (506), and a guide plate (507). The top of the screening box (2) is fitted with a dust suction channel (501) at both sides of the feeding channel (3). The inner walls of the two dust suction channels (501) are fitted with inner frames (502) at equal intervals. A dust collection box (503) is slidably connected between the inner walls of the dust suction channels (501) and the two inner frames (502). A dustproof net (504) is fitted at one end of the dust collection box (503). Vertical plates (505) are fitted at equal intervals at the outer side of the inner frame (502) of the inner wall of the dust suction channel (501). A fan (506) is fitted inside the dust suction channel (501) through the vertical plates (505). A guide plate (507) is fitted at the top of the dust suction channel (501) of the inner wall of the feeding channel (3).
3. The rice processing and screening device according to claim 1, characterized in that: The screen (403) is installed at an angle, and the screen (403) located in the middle of the frame (402) is tilted in the opposite direction to the other two screens (403). The screen (403) located in the middle of the frame (402) has a smaller aperture than rice grains. The rotary motor (413) is powered by an external power source.
4. The rice processing and screening device according to claim 2, characterized in that: One end of the dust collection box (503) passes through one end of the dust suction channel (501), and a handle is attached to one end of the dust collection box (503). The fan (506) is powered by an external power source.
5. The rice processing and screening device according to claim 1, characterized in that: A single-layer frame (6) is attached to the top of the base plate (1) at one side of the screening box (2), and a double-layer frame (7) is attached to the top of the base plate (1) at the other side of the screening box (2). Both the single-layer frame (6) and the double-layer frame (7) are movably connected to a storage box (8). Both ends of the screening box (2) are attached to the top of the storage box (8) with discharge channels (9).
6. The rice processing and screening device according to claim 5, characterized in that: The double-layer frame (7) has two storage boxes (8) connected inside. The installation of the discharge channel (9) is located corresponding to the installation position of the screen (403). The screen box (2) has slots on both sides corresponding to the position of the discharge channel (9). An extension inclined plate is snapped into one end of the screen (403) at the position inside the slot.