Impurity removal device for rice processing

Abstract

The utility model discloses an impurity removal device for rice processing, which comprises an impurity removal box and a filter box, the top of the impurity removal box is fixedly provided with a support frame, the support frame is fixedly provided with a feed hopper and is fixedly connected with a servo motor, the top of the filter box is fixedly connected with an exhaust pipe, and the exhaust pipe is fixedly connected with the filter box. An arch-shaped filter plate is fixedly installed in the filter box, and the side wall of the filter box is fixedly connected with an exhaust fan. The circular screen is driven by the servo motor to rotate, primary impurity removal can be carried out on rice, and impurities such as stones and rice hulls with the particle size larger than that of the rice can be effectively removed; air is blown into the impurity removal box through the air blower in the through hole, dust mixed in rice can be blown away, meanwhile, air in the impurity removal box is pumped away through the exhaust fan, and the dust is filtered by the arched filter plate in the filter box; the vibrating motor drives the screen to vibrate, impurities can be removed from the rice again, and when the rice vibrates on the screen, impurities with the particle size smaller than that of the rice can be removed.

Description

Technical Field

[0001] The utility model relates to the technical field of rice impurity removal, in particular to an impurity removal device for rice processing. Background Art

[0002] Rice is a finished product made from paddy rice after processes such as cleaning, husking, milling and finishing. The cleaning process is to use suitable equipment, appropriate process flow and proper operation methods to remove various impurities mixed in the rice to improve the quality of the finished rice.

[0003] After rice is processed and produced, it will be mixed with rice husks, particles, gravel and debris, which will affect the quality and taste of rice. However, traditional impurity removal devices are not fine enough to screen the rice, and the dust and fine particles in the rice are not removed thoroughly. At the same time, the dust removed from the rice is not processed, and the grading and impurity removal of rice is not clear, and the impurity removal function is single. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a rice processing impurity removal device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rice processing impurity removal device comprises an impurity removal box and a filter box, a feed inlet is provided on the top of the impurity removal box, a limiting circular ring is fixedly installed at the feed inlet, a circular screen is slidably connected to the limiting circular ring, a support frame is fixedly installed on the top of the impurity removal box, a feed hopper is fixedly installed on the support frame, and a servo motor is fixedly connected to the support frame, a rotating shaft of the servo motor is drivingly connected to the circular screen, a through hole is provided on the side wall of the impurity removal box, and a dust discharge hole is provided on the other side wall of the impurity removal box, a blower is installed in the through hole, and a protective plate is fixedly installed at the air inlet of the through hole, a collecting hopper is fixedly installed on the inner side wall of the impurity removal box, and a slag collecting trough is slidably connected to the bottom of the impurity removal box, a hollow support plate is placed on the slag collecting trough, the hollow support plate is fixedly connected to the impurity removal box, and a telescopic rod is fixedly connected to the upper part of the hollow support plate, a screen is overlapped on the telescopic rod, and the bottom of the screen is fixedly A vibration motor is fixedly installed, and the discharging end of the screen is rotatably connected to a support plate, and the support plate is fixedly connected to the impurity removal box; an exhaust pipe is fixedly connected to the top of the filter box, and the exhaust pipe is communicated with the dust exhaust hole. An arched filter plate is fixedly installed inside the filter box, and an exhaust fan is fixedly connected to the side wall of the filter box. The servo motor drives the round screen to rotate, so that the rice can be initially cleaned, and impurities such as stones and rice husks whose particle size is larger than that of rice can be effectively removed; the blower in the through hole blows air into the impurity removal box to blow away the dust mixed in the rice, and the exhaust fan draws away the air in the impurity removal box, and the dust enters the filter box with the air, and the dust is filtered by the arched filter plate in the filter box, thereby reducing environmental pollution; the vibration motor drives the screen to vibrate, so that the rice can be cleaned again, and since the aperture of the screen is smaller than the particle size of the rice, broken rice, iron filings and other debris can be removed when the rice vibrates on the screen.

[0007] Preferably, a support leg is fixedly mounted on the bottom of the debris removal box, and a universal wheel is mounted on the bottom of the support leg.

[0008] Preferably, frames are installed on both sides of the screen, and limit plates are installed at the overlap between the support plate and the screen.

[0009] Preferably, a discharge port is provided above the connection between the support plate and the screen, and a discharge guide groove is fixedly connected to the discharge port.

[0010] Preferably, the bottom of the exhaust fan is fixedly connected to a base, the base is provided with reinforcing ribs, and the reinforcing ribs are fixedly connected to the exhaust fan.

[0011] Preferably, the dust exhaust hole and the through hole are located above the collecting hopper, the discharge port is located below the collecting hopper, and the support frame is located on the periphery of the limiting ring.

[0012] The beneficial effects of the utility model are:

[0013] 1. The servo motor drives the round sieve to rotate, which can remove the rice for the first time, and can effectively remove stones, rice husks and other impurities whose particle size is larger than that of rice;

[0014] 2. The blower in the through hole blows air into the impurity removal box to blow away the dust mixed in the rice. At the same time, the exhaust fan extracts the air in the impurity removal box. The dust enters the filter box with the air and is filtered by the arched filter plate in the filter box, reducing environmental pollution.

[0015] 3. The vibration motor drives the screen to vibrate, and the rice can be removed again. Since the aperture of the screen is smaller than the particle size of the rice, broken rice, iron filings and other debris can be removed when the rice vibrates on the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a rice processing impurity removal device proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the positions of a circular screen and a servo motor of a rice processing impurity removal device proposed by the utility model;

[0018] Figure 3 This is an enlarged view of the A portion of the impurity removal device for rice processing proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of a de-impurity box of a de-impurity device for rice processing proposed by the utility model;

[0020] Figure 5 This is a front view of the internal structure of a de-impurity box of a de-impurity device for rice processing proposed by the utility model;

[0021] Figure 6 The utility model is a schematic diagram of the internal structure of a filter box of a rice processing impurity removal device.

[0022] In the figure: 1. impurity removal box; 2. filter box; 3. feed port; 4. limit ring; 5. round screen; 6. servo motor; 7. support frame; 8. feed hopper; 9. through hole; 10. dust exhaust hole; 11. blower; 12. protective plate; 13. collection hopper; 14. slag collection trough; 15. hollow support plate; 16. telescopic rod; 17. screen; 18. vibration motor; 19. support plate; 20. exhaust duct; 21. arched filter plate; 22. exhaust fan; 23. support leg; 24. universal wheel; 25. frame; 26. limit plate; 27. discharge port; 28. discharge guide groove; 29. ​​base; 30. reinforcing rib. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1, reference Figure 1-6 A rice processing impurity removal device comprises an impurity removal box 1 and a filter box 2, a feed port 3 is provided on the top of the impurity removal box 1, a limiting ring 4 is fixedly installed at the feed port 3, a round screen 5 is slidably connected to the limiting ring 4, a support frame 7 is fixedly installed on the top of the impurity removal box 1, a feed hopper 8 is fixedly installed on the support frame 7, and a servo motor 6 is fixedly connected to the support frame 7, the rotating shaft of the servo motor 6 is drivingly connected to the round screen 5, a through hole 9 is provided on the side wall of the impurity removal box 1, and a dust discharge hole 10 is provided on the other side wall of the impurity removal box 1, a blower 11 is installed in the through hole 9, and a protective plate 12 is fixedly installed at the air inlet of the through hole 9, and a collecting A hopper 13 is provided, and a slag collecting trough 14 is slidably connected to the bottom of the impurity removal box 1, a hollow support plate 15 is placed on the slag collecting trough 14, the hollow support plate 15 is fixedly connected to the impurity removal box 1, and a telescopic rod 16 is fixedly connected to the upper part of the hollow support plate 15, a screen 17 is overlapped on the telescopic rod 16, a vibration motor 18 is fixedly installed at the bottom of the screen 17, and a support plate 19 is rotatably connected to the discharge end of the screen 17, and the support plate 19 is fixedly connected to the impurity removal box 1; an exhaust duct 20 is fixedly connected to the top of the filter box 2, the exhaust duct 20 is communicated with the dust discharge hole 10, an arched filter plate 21 is fixedly installed inside the filter box 2, and an exhaust fan 22 is fixedly connected to the side wall of the filter box 2. The rice enters the round screen 5 through the two discharge holes on the feed hopper 8. A support frame 7 is fixed on the impurity removal box 1. A servo motor 6 is fixed on the support frame 7. The servo motor 6 is rotatably connected to the round screen 5. When the rice falls on the round screen 5, the servo motor 6 rotates, and the rice falls into the impurity removal box 1 through the round screen 5. The impurities with a larger particle size than the rice remain on the round screen 5. The rice is blown by the blower 11 in the impurity removal box 1, so that the dust on the rice is separated from the rice. The blown dust is blown away by the exhaust fan 22. The suction enters the filter box 2 through the exhaust pipe 20, and the sucked dust is filtered on the arched filter plate 21. The rice separated from the dust falls into the collecting hopper 13, and the rice enters the screen 17 through the outlet of the collecting hopper 13. The screen 17 starts to vibrate under the action of the vibration motor 18, so that the rice vibrates on the screen 17, and the particles with relatively small particle sizes mixed in the rice are screened and fall into the slag collecting trough 14, while the rice remains on the screen 17 and enters the discharge guide trough 28 from the discharge port 27 to complete the impurity removal.

[0025] Embodiment 2:

[0026] The present embodiment is optimized on the basis of the embodiment 1, specifically: a support leg 23 is fixedly installed at the bottom of the debris removal box 1, a universal wheel 24 is installed at the bottom of the support leg 23, a frame 25 is installed on both sides of the screen 17, a limit plate 26 is installed at the overlap of the support plate 19 and the screen 17, a discharge port 27 is opened above the connection between the support plate 19 and the screen 17, a discharge guide groove 28 is fixedly connected to the discharge port 27, a base 29 is fixedly connected to the bottom of the exhaust fan 20, a reinforcing rib 30 is provided on the base 29, and the reinforcing rib 30 is fixedly connected to the exhaust fan 22, the dust exhaust hole 10 and the through hole 9 are above the collecting hopper 13, the discharge port 27 is located below the collecting hopper 13, and the support frame 7 is located on the periphery of the limiting ring 4.

[0027] Working principle: When it is necessary to remove impurities from the rice, pour the rice into the feed hopper 8 on the top of the impurity removal box 1, and the rice enters the round screen 5 through the two discharge holes on the feed hopper 8. A support frame 7 is fixed on the impurity removal box 1, and a servo motor 6 is fixed on the support frame 7. The servo motor 6 is rotatably connected to the round screen 5. When the rice falls on the round screen 5, the servo motor 6 rotates, and the rice falls into the impurity removal box 1 through the round screen 5. Impurities with a larger particle size than the rice remain on the round screen 5. The rice will be blown by the blower 11 in the impurity removal box 1, so that the dust on the rice is separated from the rice. The blown dust enters the filter box 2 through the exhaust pipe 20 through the suction action of the exhaust fan 22, the sucked dust is filtered on the arched filter plate 21, and the rice separated from the dust falls into the collecting hopper 13, and the rice enters the screen 17 through the outlet of the collecting hopper 13. The screen 17 starts to vibrate under the action of the vibration motor 18, so that the rice vibrates on the screen 17, and the particles with relatively small particle sizes mixed in the rice are sieved and fall into the slag collecting tank 14, while the rice remains on the screen 17 and enters the discharge guide trough 28 from the discharge port 27 to complete the impurity removal.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rice processing impurity removal device, comprising an impurity removal box (1) and a filter box (2), characterized in that: The top of the impurity removal box (1) is provided with a feed port (3), a limiting circular ring (4) is fixedly installed at the feed port (3), a circular screen (5) is slidably connected to the limiting circular ring (4), a support frame (7) is fixedly installed on the top of the impurity removal box (1), a feed hopper (8) is fixedly installed on the support frame (7), and a servo motor (6) is fixedly connected to the support frame (7), the rotating shaft of the servo motor (6) is transmission-connected to the circular screen (5), a through hole (9) is opened on the side wall of the impurity removal box (1), and a dust discharge hole (10) is opened on the other side wall of the impurity removal box (1), a blower (11) is installed in the through hole (9), and a protective plate (12) is fixedly installed at the air inlet of the through hole (9), a collecting hopper (13) is fixedly installed on the inner side wall of the impurity removal box (1), and the impurity removal box (1) The bottom of the filter box (2) is slidably connected with a slag collecting groove (14), a hollow support plate (15) is placed on the slag collecting groove (14), the hollow support plate (15) is fixedly connected to the impurity removal box (1), and the upper part of the hollow support plate (15) is fixedly connected with a telescopic rod (16), and the telescopic rod (16) is overlapped with a screen (17), the bottom of the screen (17) is fixedly installed with a vibration motor (18), and the discharge end of the screen (17) is rotatably connected with a support plate (19), and the support plate (19) is fixedly connected to the impurity removal box (1); the top of the filter box (2) is fixedly connected with an exhaust pipe (20), and the exhaust pipe (20) is communicated with the dust discharge hole (10), the interior of the filter box (2) is fixedly installed with an arched filter plate (21), and the side wall of the filter box (2) is fixedly connected with an exhaust fan (22).

2. A rice processing impurity removal device according to claim 1, characterized in that: A support leg (23) is fixedly mounted on the bottom of the debris removal box (1), and a universal wheel (24) is mounted on the bottom of the support leg (23).

3. The impurity removal device for rice processing according to claim 1, characterized in that: Frames (25) are installed on both sides of the screen (17), and limit plates (26) are installed at the overlap between the support plate (19) and the screen (17).

4. The impurity removal device for rice processing according to claim 1, characterized in that: A discharge port (27) is provided above the connection between the support plate (19) and the screen (17), and a discharge guide groove (28) is fixedly connected to the discharge port (27).

5. The impurity removal device for rice processing according to claim 1, characterized in that: The bottom of the exhaust fan (22) is fixedly connected to a base (29), and the base (29) is provided with a reinforcing rib (30), and the reinforcing rib (30) is fixedly connected to the exhaust fan (22).

6. The impurity removal device for rice processing according to claim 4, characterized in that: The dust discharge hole (10) and the through hole (9) are located above the collecting hopper (13), the discharge port (27) is located below the collecting hopper (13), and the support frame (7) is located on the periphery of the limiting ring (4).

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