Multilayer screen cleaning device for rice processing

Abstract

The utility model relates to the field of rice processing, and discloses a multilayer screen cleaning device for rice processing, which comprises an upper cover, a feeding hopper is fixedly mounted on the upper surface of the upper cover, a screen cleaning box is welded in the middle of the top end of the upper cover, a filter screen is mounted in the screen cleaning box, and a movable plate is movably mounted at the top in the screen cleaning box and above the filter screen; a fixed rod is fixedly installed in the middle of the bottom end of the movable plate, a movable frame is movably installed on the outer surface of the fixed rod, a connecting plate is fixedly connected to the bottom end of the movable frame, shifting plates are welded to the bottom end of the connecting plate at equal intervals, fixed baffles are symmetrically and fixedly connected to the positions, close to the corners, of the inner wall of the screen cleaning box in an inclined mode, and a rotating mechanism is further arranged in the screen cleaning box. Rice on the filter screen is spread through the shifting plates at different positions, so that the effect of conveniently spreading the rice accumulated on the upper surface of the filter screen is achieved, the filtering effect of the filter screen on the rice is improved, and the problem that the rice is accumulated in the middle of the filter screen due to the fact that the size of a discharging opening of the feeding hopper is limited is solved.

Description

Technical Field

[0001] The present application relates to the field of rice processing, and in particular to a multi-layer screening device for rice processing. Background Art

[0002] Rice is a cereal with high nutritional value. The biological value of its protein and the composition ratio of amino acids are higher than those of cereal crops such as wheat, barley, millet, and corn. Rice is processed through multiple processes such as rice cleaning, rice husking, rice milling, and finished product sorting. After rice milling, a cleaning and screening device is needed to remove various impurities mixed in the rice to improve the quality of the rice product. The existing cleaning and screening device cannot perform multi-layer screening on the rice, so that the rice after screening still contains various rice husks, fine brown rice, and powdery substances, which affects the quality of the rice and further affects the consumption or sale of the rice.

[0003] At present, a Chinese patent with the announcement number CN212384031U discloses a multi-layer screening device for rice processing, comprising a square support plate, a motor box is provided on the upper surface of the support plate and located at the center, a screening box is provided above the motor box; and a collection box is provided on the upper surface of the support plate and located on the left and right sides of the motor box respectively...

[0004] By setting up a cleaning box, a mesh frame, a vibration motor, etc., the mesh frame can be used to perform the first cleaning of the rice. The cleaned rice is then passed through the filter screen and the vibration motor inside the cleaning box to perform multi-level vibration cleaning of the rice. However, due to the limited opening size of the feed hopper, when the rice falls into the sieve cavity along the upper cover, the rice will accumulate in the middle position of the first filter screen, and the rice accumulated in the sieve cavity will affect the screening and filtration efficiency of the first filter screen. Moreover, when a large amount of rice is accumulated in the sieve cavity, it may cause a certain blockage to the feed hopper, thereby affecting the overall feeding rate of the rice.

[0005] With respect to the above-mentioned related technologies, the inventor believes that there is a defect that rice is accumulated in the middle position of the first filter screen when it is discharged from the feed hopper. Therefore, a multi-layer screening device for rice processing is proposed to solve the above-mentioned problem. Utility Model Content

[0006] In order to solve the problem that rice accumulates in the middle of the first filter screen when being fed through a feed hopper, the present application provides a multi-layer screening device for rice processing.

[0007] The multi-layer screening device for rice processing provided in the present application adopts the following technical solution:

[0008] A multi-layer screening device for rice processing comprises an upper cover, a feed hopper is fixedly mounted on the upper surface of the upper cover, a screening box is welded to the middle part of the top end of the upper cover, a filter screen is mounted inside the screening box, a movable plate is movably mounted on the top of the screening box above the filter screen, a fixed rod is fixedly mounted in the middle part of the bottom end of the movable plate, a movable frame is movably mounted on the outer surface of the fixed rod, a connecting plate is fixedly connected to the bottom end of the movable frame, a material shifting plate is equidistantly welded to the bottom end of the connecting plate, a fixed baffle is obliquely symmetrically fixed to the inner wall of the screening box near the corner, and a rotating mechanism is also provided inside the screening box for controlling the movable plate to move along the inside of the screening box.

[0009] Preferably, the rotating mechanism includes a screw rod, which is rotatably installed on one side edge of the inner wall of the cleaning box, one end of the screw rod extends to the outside of the cleaning box where a servo motor is installed, and a fixed support rod is welded to the other side of the inner wall of the cleaning box behind the screw rod.

[0010] Preferably, a material guide plate is fixedly mounted on the upper surface of the movable plate, the cross section of the material guide plate is an inverted V-shaped structure, the overall length of the material guide plate is smaller than the distance between the two sides of the inner wall of the screening box, and the screening box and the material guide plate are interlocked.

[0011] Preferably, the cross section of the connecting plate is a parallelogram structure, one side of the fixed baffle is arranged as an inclined surface structure, and the inclined surface on one side of the fixed baffle abuts against the outer surface of the connecting plate.

[0012] Preferably, a threaded hole is formed through one side of the movable plate, one side of the outer surface of the screw rod is located inside the threaded hole, and a through hole is formed through the other side of the movable plate, and one side of the outer surface of the fixed support rod is located inside the through hole.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] The movable plate is driven by the rotating screw rod to move along the inside of the cleaning box, so that multiple material-shifting plates are moved to spread the rice accumulated on the surface of the filter net; when the material-shifting plate moves close to the edge of the inner wall of the cleaning box, the connecting plate is moved under the limiting push of the fixed baffle, and then the multiple material-shifting plates are adjusted to be in different positions above the filter net, so that the movable plate is moved in the reverse direction as a whole and the material-shifting plate is driven to move the rice to spread on the surface of the filter net again; compared with the prior art, this solution has the effect of facilitating the spreading of the rice accumulated on the surface of the filter net, improves the filtering effect of the filter net on the rice, and solves the problem of rice accumulation in the middle position of the filter net due to the limited size of the discharge port of the feed hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0016] Figure 2It is a schematic diagram of the cross-sectional structure of the cleaning box in the application embodiment;

[0017] Figure 3 It is a structural schematic diagram of the material diverter plate in the application embodiment;

[0018] Figure 4 It is a structural schematic diagram of a movable frame in an embodiment of the application;

[0019] Explanation of the reference numerals: 1. Upper cover; 2. Feed hopper; 3. Screen cleaning box; 4. Filter screen; 5. Screw rod; 6. Servo motor; 7. Fixed support rod; 8. Movable plate; 9. Fixed rod; 10. Movable frame; 11. Connecting plate; 12. Material removal plate; 13. Fixed baffle plate; 14. Material guide plate. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a multi-layer screening device for rice processing. Figure 1-4 A multi-layer screening device for rice processing comprises an upper cover 1, a feed hopper 2 is fixedly mounted on the upper surface of the upper cover 1, a screening box 3 is welded at the middle part of the top of the upper cover 1, a filter screen 4 is installed inside the screening box 3, a movable plate 8 is movably mounted on the top of the screening box 3 above the filter screen 4, a fixed rod 9 is fixedly mounted at the middle part of the bottom end of the movable plate 8, a movable frame 10 is movably mounted on the outer surface of the fixed rod 9, a connecting plate 11 is fixedly connected to the bottom end of the movable frame 10, a material shifting plate 12 is equidistantly welded to the bottom end of the connecting plate 11, a fixed baffle 13 is obliquely symmetrically fixed to the inner wall of the screening box 3 near the corner, the cross section of the connecting plate 11 is a parallelogram structure, one side of the fixed baffle 13 is set to an inclined surface structure, and the inclined surface of one side of the fixed baffle 13 abuts against the outer surface of the connecting plate 11, and a rotating mechanism is also provided inside the screening box 3 for controlling the movable plate 8 to move along the inside of the screening box 3.

[0022] The rice is poured into the upper cover 1 along the opening at the top of the feed hopper 2, so that the rice falls along the upper cover 1 on the upper surface of the filter screen 4, so that the rotating screw rod 5 drives the movable plate 8 to move along the inside of the cleaning box 3, and at the same time, multiple movable material-digging plates 12 are moved to spread the rice accumulated on the upper surface of the filter screen 4; when the material-digging plate 12 moves close to the edge of the inner wall of the cleaning box 3, the fixed baffle 13 limits the movable connecting plate 11 and pushes the connecting plate 11 and the material-digging plate 12 to move, so that the movable frame 10 moves along the outer surface of the fixed rod 9, and then the multiple material-digging plates 12 are adjusted to be at different positions above the filter screen 4, so that the movable plate 8 moves in the opposite direction as a whole and drives the material-digging plate 12 to dig the rice and spread it on the upper surface of the filter screen 4 again, which reflects the digging effect of the material-digging plate 12 on the rice accumulated in the middle position of the filter screen 4.

[0023] Reference Figure 2-4The rotating mechanism includes a screw rod 5, which is rotatably installed at one side edge of the inner wall of the cleaning box 3, one end of the screw rod 5 extends to the outside of the cleaning box 3 where a servo motor 6 is installed, and a fixed support rod 7 is welded to the other side of the inner wall of the cleaning box 3 behind the screw rod 5. A threaded hole is opened through the edge of one side of the movable plate 8, one side of the outer surface of the screw rod 5 is located inside the threaded hole, a through hole is opened through the other side of the movable plate 8, and one side of the outer surface of the fixed support rod 7 is located inside the through hole.

[0024] By starting the servo motor 6 to drive the movable plate 8 to move along the outer surface of the fixed support rod 7, the fixed support rod 7 supports the movable plate 8, thereby keeping the movable plate 8 in a stable movable state, reflecting the overall activity control effect of the movable plate 8.

[0025] Reference Figure 2 and Figure 3 A guide plate 14 is fixedly installed on the upper surface of the movable plate 8. The cross section of the guide plate 14 is an inverted V-shaped structure. The overall length of the guide plate 14 is smaller than the spacing between the two sides of the inner wall of the cleaning box 3. The cleaning box 3 and the guide plate 14 are interlocked with each other. The guide plate 14 on the upper surface of the movable plate 8 guides the rice discharged from the feed hopper 2, and the guide plate 14 blocks the movable plate 8 and the lower part, so that the rice falls stably on the filter screen 4 along the outer surface of the guide plate 14, which reflects the overall protective effect of the guide plate 14.

[0026] The implementation principle of a multi-layer screening device for rice processing in the embodiment of the present application is as follows: pour the rice into the upper cover 1 along the top opening of the feed hopper 2, so that the rice falls along the upper cover 1 onto the upper surface of the filter screen 4, start the servo motor 6 to drive the movable plate 8 to move along the outer surface of the fixed support rod 7, the input end of the servo motor 6 power supply is electrically connected to the output end of the external power supply, so that the fixed support rod 7 supports the movable movable plate 8, thereby keeping the movable plate 8 in a stable movable state, so that the rotating screw rod 5 drives the movable plate 8 to move along the inside of the screening box 3, and at the same time, multiple movable material-digging plates 12 are moved to spread out the rice accumulated on the upper surface of the filter screen 4, and when the material-digging plate 12 moves close to the edge of the inner wall of the screening box 3, the fixed baffle 13 limits the movable connecting plate 11 and pushes the connecting plate 11 and the material-diverting plate 12 are movable, so that the movable frame 10 is movable along the outer surface of the fixed rod 9, and then the multiple material-diverting plates 12 are adjusted to be at different positions above the filter screen 4, so that the movable plate 8 is moved in the reverse direction as a whole to drive the material-diverting plate 12 to dig the rice and spread it on the upper surface of the filter screen 4, so that the rice accumulated after the feed hopper 2 is discharged is evenly spread on the upper surface of the filter screen 4, and the guide plate 14 on the upper surface of the movable plate 8 guides the rice discharged from the feed hopper 2, so that the rice falls stably on the filter screen 4 along the outer surface of the guide plate 14; compared with the prior art, this scheme has the effect of facilitating the spreading of the rice accumulated on the upper surface of the filter screen 4, improving the filtering effect of the filter screen 4 on the rice, and solving the problem that the rice is accumulated in the middle position of the filter screen 4 due to the limited size of the discharge port of the feed hopper 2.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-layer cleaning device for rice processing, comprising an upper cover (1), a feed hopper (2) is fixedly mounted on the upper surface of the upper cover (1), a cleaning box (3) is welded at the middle of the top of the upper cover (1), a filter screen (4) is installed inside the cleaning box (3), and the characteristics are: A movable plate (8) is movably mounted on the top of the cleaning box (3) above the filter screen (4); a fixed rod (9) is fixedly mounted in the middle of the bottom end of the movable plate (8); a movable frame (10) is movably mounted on the outer surface of the fixed rod (9); a connecting plate (11) is fixedly connected to the bottom end of the movable frame (10); a material-discharging plate (12) is equidistantly welded to the bottom end of the connecting plate (11); a fixed baffle (13) is symmetrically fixedly connected to the inner wall of the cleaning box (3) near the corner; a rotating mechanism is also arranged inside the cleaning box (3) for controlling the movable plate (8) to move along the inside of the cleaning box (3).

2. A multi-layer screening device for rice processing according to claim 1, characterized in that: The rotating mechanism comprises a screw rod (5), the screw rod (5) being rotatably mounted on one side edge of the inner wall of the cleaning box (3), one end of the screw rod (5) extending to the outside of the cleaning box (3) being mounted with a servo motor (6), and the other side of the inner wall of the cleaning box (3) being opposite to the screw rod (5) being welded with a fixed support rod (7).

3. The multi-layer screening device for rice processing according to claim 1, characterized in that: A material guide plate (14) is fixedly mounted on the upper surface of the movable plate (8); the cross section of the material guide plate (14) is an inverted V-shaped structure; the overall length of the material guide plate (14) is smaller than the distance between the two sides of the inner wall of the cleaning box (3); the cleaning box (3) and the material guide plate (14) are interlocked.

4. The multi-layer screening device for rice processing according to claim 1, characterized in that: The cross section of the connecting plate (11) is a parallelogram structure, one side of the fixed baffle plate (13) is arranged as an inclined surface structure, and the inclined surface on one side of the fixed baffle plate (13) abuts against the outer surface of the connecting plate (11).

5. The multi-layer screening device for rice processing according to claim 2, characterized in that: A threaded hole is formed through one side of the movable plate (8), one side of the outer surface of the screw rod (5) is located inside the threaded hole, and a through hole is formed through the other side of the movable plate (8), one side of the outer surface of the fixed support rod (7) is located inside the through hole.

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