Corn kernel impurity screening device based on multi-stage vibration

By using a multi-stage vibrating screen removal device with vibrating screen plates of different apertures and a pneumatic conveying mechanism, the problem of incomplete removal of corn kernel impurities in existing devices has been solved, achieving the goal of efficient separation of particulate impurities and cleaning of corn kernels.

CN223543437UActive Publication Date: 2025-11-14ZHENJIANG FUHUA AGRI TECH CO LTD
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Patent Information

Application Number
CN202422860782.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-14
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

Existing corn kernel impurity screening devices are ineffective at removing impurities of different particle sizes, resulting in poor screening performance.

Method used

The system employs a multi-stage vibrating screening mechanism, including a primary vibrating screening mechanism and a secondary vibrating screening mechanism. It uses vibrating screens with different apertures to screen out large and small particles of impurities, and combines this with a pneumatic conveying mechanism to achieve automated feeding.

Benefits of technology

It improves the effect and efficiency of corn kernel impurity removal, ensures the cleanliness of corn kernels, and achieves effective separation of large and small particle impurities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The corn kernel impurity screening device comprises a shell, a supporting base is arranged at the bottom of the shell, a wind power suction mechanism is arranged on the shell, a first-stage vibration screening mechanism is arranged on the upper portion of the interior of the shell, and a second-stage vibration screening mechanism is arranged on the lower portion of the interior of the shell. The first-stage vibrating screening mechanism is arranged in the shell, the second-stage vibrating screening mechanism is arranged in the shell, and the second-stage vibrating screening mechanism is arranged below the first-stage vibrating screening mechanism. The corn thresher is provided with the first-stage vibrating screening mechanism and the second-stage vibrating screening mechanism, and the aperture of a first-stage vibrating screening plate is larger than the outer diameter of corn kernels; the pore diameter of the second-stage vibrating sieve plate is smaller than the outer diameter of corn kernels, so that large-particle and small-particle impurities of the corn kernels are vibrated and sieved on the first-stage vibrating sieve plate and the second-stage vibrating sieve plate, clean corn kernels are obtained, the corn kernel impurity sieving effect is improved, and the corn kernel impurity sieving efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of corn kernel processing equipment, specifically relating to a corn kernel impurity screening device based on multi-stage vibration. Background Technology

[0002] Corn kernels are obtained by threshing corn grains. After threshing, there are many impurities of different sizes in the corn kernels. Therefore, it is necessary to use a corn kernel impurity screening device to screen out the impurities in the corn kernels.

[0003] Existing corn kernel impurity removal devices mostly use a suction fan to remove impurities from the corn kernels, which cannot effectively remove particulate impurities from the corn kernels, resulting in poor removal efficiency. To address this, we propose a corn kernel impurity removal device based on multi-stage vibration. Utility Model Content

[0004] The purpose of this invention is to provide a corn kernel impurity screening device based on multi-stage vibration to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a corn kernel impurity screening device based on multi-stage vibration, comprising,

[0006] The housing has a support base at its bottom;

[0007] A wind-powered material suction mechanism is installed on the housing and is used to transport corn kernels into the housing by wind power.

[0008] A primary vibration screening mechanism is provided inside the upper part of the housing. The primary vibration screening mechanism is used to vibrate the corn kernels and screen out large particles of impurities.

[0009] A secondary vibration screening mechanism is provided inside the housing and below the primary vibration screening mechanism. The secondary vibration screening mechanism is used to vibrate the corn kernels in two stages and screen out small particle impurities.

[0010] Preferably, the wind-powered material suction mechanism includes a drive motor, a wind-powered conveying impeller, a suction pipe, and a material conveying box;

[0011] The upper part of the housing has a feed inlet, the pneumatic conveying impeller is mounted on the housing and connected to the feed inlet, the output end of the drive motor is connected to the pneumatic conveying impeller, the suction pipe is mounted on the input end of the pneumatic conveying impeller, and the conveying box is mounted inside the housing at the position corresponding to the feed inlet.

[0012] Preferably, the primary vibration screening mechanism includes a primary vibration motor, a primary vibration screen plate, a first fixed plate, a first guide rod, a first spring, a second fixed plate, a second guide rod, and a second spring;

[0013] The primary vibrating screen plate is inclinedly arranged inside the housing, with the highest end of the primary vibrating screen plate located below the material conveying box. The primary vibrating motor is arranged on the outside of the housing, and the output end of the primary vibrating motor is connected to the primary vibrating screen plate.

[0014] The first fixing plate is disposed inside the housing above the highest end of the first-stage vibrating screen plate. The highest end of the first-stage vibrating screen plate and the first fixing plate are connected by a first guide rod. The first spring is disposed on the first guide rod below the first-stage vibrating screen plate. The second fixing plate is disposed inside the housing below the lowest end of the first-stage vibrating screen plate. The lowest end of the first-stage vibrating screen plate and the second fixing plate are connected by a second guide rod. The second spring is disposed on the second guide rod below the second fixing plate.

[0015] Preferably, the aperture of the primary vibrating screen plate is larger than the outer diameter of the corn kernels, and a large particle impurity discharge port is provided on the housing at the lowest end corresponding to the primary vibrating screen plate, and a large particle impurity discharge plate is provided on the housing below the large particle impurity discharge port.

[0016] Preferably, the secondary vibration screening mechanism includes a secondary vibration motor, a secondary vibration screen plate, a third fixed plate, a third guide rod, a third spring, a fourth fixed plate, a fourth guide rod, and a fourth spring;

[0017] The secondary vibrating screen plate is inclinedly disposed inside the housing below the primary vibrating screen plate, and the inclination direction of the secondary vibrating screen plate is opposite to that of the primary vibrating screen plate. The secondary vibrating motor is disposed on the outside of the housing, and the output end of the secondary vibrating motor is connected to the secondary vibrating screen plate.

[0018] The third fixing plate is disposed inside the housing above the highest end of the secondary vibrating screen plate. The uppermost end of the secondary vibrating screen plate and the third fixing plate are connected by the third guide rod. The third spring is disposed on the third guide rod below the highest end of the secondary vibrating screen plate. The fourth fixing plate is disposed inside the housing below the lowest end of the secondary vibrating screen plate. The lowest end of the secondary vibrating screen plate and the fourth fixing plate are connected by the fourth guide rod. The fourth spring is disposed on the fourth guide rod below the fourth fixing plate.

[0019] Preferably, the aperture of the secondary vibrating screen plate is smaller than the outer diameter of the corn kernel, and a corn kernel outlet is provided on the housing corresponding to the lowest end of the secondary vibrating screen plate, and a corn kernel discharge plate is provided on the housing below the corn kernel outlet.

[0020] Preferably, the secondary vibrating screen removal mechanism further includes a small particle impurity collection plate, which is inclinedly disposed inside the housing and located below the secondary vibrating screen plate. The inclination directions of the small particle impurity collection plate and the secondary vibrating screen plate are opposite.

[0021] Preferably, a small particle impurity discharge port is provided on the housing at the lowest end corresponding to the small particle impurity collection plate, and a small particle impurity discharge plate is provided on the housing below the small particle impurity discharge port.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] This utility model is equipped with a primary vibration screening mechanism and a secondary vibration screening mechanism. Since the aperture of the primary vibration screen plate is larger than the outer diameter of the corn kernel, and the aperture of the secondary vibration screen plate is smaller than the outer diameter of the corn kernel, the corn kernels can achieve vibration screening of large and small particles of impurities on the primary and secondary vibration screen plates, thereby obtaining clean corn kernels, improving the corn kernel impurity screening effect, and increasing the corn kernel impurity screening efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0026] Figure 3 This is a cross-sectional three-dimensional structural diagram of the present invention;

[0027] Figure 4 This is a cross-sectional three-dimensional structural diagram of the present invention.

[0028] In the diagram: 1. Shell; 101. Feed inlet; 102. Large particle impurity outlet; 103. Corn kernel outlet; 104. Small particle impurity outlet; 2. Support base; 3. Pneumatic suction mechanism; 301. Drive motor; 302. Pneumatic conveying impeller; 303. Suction pipe; 304. Conveying box; 4. Primary vibrating screen removal mechanism; 401. Primary vibrating motor; 402. Primary vibrating screen plate; 403. First fixed plate; 404. First guide rod; 405. First spring; 40 6. Second fixed plate; 407. Second guide rod; 408. Second spring; 409. Large particle impurity discharge plate; 5. Secondary vibrating screen removal mechanism; 501. Secondary vibrating motor; 502. Secondary vibrating screen plate; 503. Third fixed plate; 504. Third guide rod; 505. Third spring; 506. Fourth fixed plate; 507. Fourth guide rod; 508. Fourth spring; 509. Corn kernel discharge plate; 510. Small particle impurity collection plate; 511. Small particle impurity discharge plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-4 The corn kernel impurity screening device based on multi-stage vibration provided by this utility model includes,

[0031] The housing 1 has a support base 2 at its bottom;

[0032] A wind-powered suction mechanism 3 is installed on the housing 1. The wind-powered suction mechanism 3 is used to transport corn kernels into the housing 1 by wind power. The wind-powered suction mechanism 3 includes a drive motor 301, a wind-powered conveying impeller 302, a suction pipe 303, and a conveying box 304. The upper part of the housing 1 has a feed inlet 101. The wind-powered conveying impeller 302 is installed on the housing 1 and connected to the feed inlet 101. The output end of the drive motor 301 is connected to the wind-powered conveying impeller 302. The suction pipe 303 is installed at the input end of the wind-powered conveying impeller 302. The conveying box 304 is installed inside the housing 1 at the position corresponding to the feed inlet 101.

[0033] This utility model is equipped with a wind-powered suction mechanism 3. When in use, the drive motor 301 drives the wind-powered conveying impeller 302 to rotate, so that one end of the suction pipe 303 generates suction force. The corn kernels are sucked into the shell 1 through the suction pipe 303, which can quickly feed the material without manual handling and improve the feeding efficiency of corn kernels.

[0034] A primary vibrating screening mechanism 4 is located inside the upper part of the housing 1. This mechanism is used to vibrate the corn kernels and remove large particles of impurities. The primary vibrating screening mechanism 4 includes a primary vibrating motor 401, a primary vibrating screen plate 402, a first fixed plate 403, a first guide rod 404, a first spring 405, a second fixed plate 406, a second guide rod 407, and a second spring 408. The primary vibrating screen plate 402 is inclined inside the housing 1, with its highest end located below the feed box 304. The primary vibrating motor 401 is located outside the housing 1, and its output end is connected to the primary vibrating screen plate 402. The first fixed plate 403 is located inside the housing 1 at the highest end of the primary vibrating screen plate 402. Above, the highest point of the first-stage vibrating screen plate 402 and the first fixed plate 403 are connected by a first guide rod 404. A first spring 405 is set on the first guide rod 404 and located below the first-stage vibrating screen plate 402. A second fixed plate 406 is set inside the housing 1 and located below the lowest end of the first-stage vibrating screen plate 402. The lowest end of the first-stage vibrating screen plate 402 and the second fixed plate 406 are connected by a second guide rod 407. A second spring 408 is set on the second guide rod 407 and located below the second fixed plate 406. The aperture of the first-stage vibrating screen plate 402 is larger than the outer diameter of the corn kernel. A large particle impurity discharge port 102 is opened on the housing 1 corresponding to the lowest end of the first-stage vibrating screen plate 402. A large particle impurity discharge plate 409 is set on the housing 1 below the large particle impurity discharge port 102.

[0035] This utility model is equipped with a primary vibrating screening mechanism 4. When in use, corn kernels fall onto the primary vibrating screen plate 402. The primary vibrating motor 401 drives the primary vibrating screen plate 402 to start vibrating. Since the aperture of the primary vibrating screen plate 402 is larger than the outer diameter of the corn kernels, the corn kernels and small particles of impurities fall downward through the primary vibrating screen plate 402. Large particles of impurities move in an inclined direction through the primary vibrating screen plate 402 and are screened out through the large particle of impurity discharge port 102 and the large particle of impurity discharge plate 409, thereby removing large particles of impurities from the corn kernels.

[0036] The secondary vibrating screening mechanism 5 is located inside the housing 1 and below the primary vibrating screening mechanism 4. The secondary vibrating screening mechanism 5 is used to vibrate the corn kernels in two stages and remove small particle impurities. The secondary vibrating screening mechanism 5 includes a secondary vibration motor 501, a secondary vibrating screen plate 502, a third fixed plate 503, a third guide rod 504, a third spring 505, a fourth fixed plate 506, a fourth guide rod 507, and a fourth spring 508. The secondary vibrating screen plate 502 is inclined within the housing. Inside the housing 1, below the primary vibrating screen plate 402, and with the secondary vibrating screen plate 502 tilted in the opposite direction to the primary vibrating screen plate 402, the secondary vibrating motor 501 is located on the outside of the housing 1, and its output end is connected to the secondary vibrating screen plate 502; the third fixing plate 503 is located inside the housing 1 above the highest end of the secondary vibrating screen plate 502, and the highest end of the secondary vibrating screen plate 502 and the third fixing plate 503 are connected by a third guide rod 504, and a third spring 505 is located on the third guide rod 504 corresponding to the secondary vibrating screen plate 402. Below the highest end of the sieve plate 502, a fourth fixing plate 506 is positioned inside the housing 1 below the lowest end of the secondary vibrating sieve plate 502. The lowest end of the secondary vibrating sieve plate 502 and the fourth fixing plate 506 are connected by a fourth guide rod 507. A fourth spring 508 is positioned below the fourth guide rod 507 corresponding to the fourth fixing plate 506. The aperture of the secondary vibrating sieve plate 502 is smaller than the outer diameter of the corn kernels. A corn kernel outlet 103 is provided on the housing 1 corresponding to the lowest end of the secondary vibrating sieve plate 502. Below the corn kernel outlet 1, a... The secondary vibrating screen removal mechanism 5 includes a corn kernel discharge plate 509 and a small particle impurity collection plate 510. The small particle impurity collection plate 510 is inclinedly arranged inside the housing 1 and is located below the secondary vibrating screen plate 502. The inclination directions of the small particle impurity collection plate 510 and the secondary vibrating screen plate 502 are opposite. A small particle impurity discharge port 104 is provided on the housing 1 at the lowest end corresponding to the small particle impurity collection plate 510. A small particle impurity discharge plate 511 is provided on the housing 1 below the small particle impurity discharge port 104.

[0037] This utility model is equipped with a two-stage vibrating sieve removal mechanism 5. In use, corn kernels and small particulate impurities fall onto the two-stage vibrating sieve plate 502. The two-stage vibrating motor 501 drives the two-stage vibrating sieve plate 502 to vibrate. Since the aperture of the two-stage vibrating sieve plate 502 is smaller than the outer diameter of the corn kernels, the small particulate impurities fall down through the two-stage vibrating sieve plate 502 onto the small particulate impurity collection plate 510, and are then discharged and collected through the small particulate impurity discharge port 104 and the small particulate impurity guide plate 511. Meanwhile, the corn kernels are vibrated and moved by the inclined direction of the two-stage vibrating sieve plate 502, so that the corn kernels are discharged and collected through the corn kernel discharge port 103 and the corn kernel guide plate 509, thereby realizing the removal of small particulate impurities from the corn kernels.

[0038] This utility model is equipped with a primary vibrating screening mechanism 4 and a secondary vibrating screening mechanism 5. Since the aperture of the primary vibrating screen plate 402 is larger than the outer diameter of the corn kernel, and the aperture of the secondary vibrating screen plate 502 is smaller than the outer diameter of the corn kernel, the corn kernels can be vibrated and screened to remove both large and small particles of impurities on the primary vibrating screen plate 402 and the secondary vibrating screen plate 502, thereby obtaining clean corn kernels, improving the corn kernel impurity removal effect, and increasing the corn kernel impurity removal efficiency.

[0039] In summary, the method of using the multi-stage vibration-based corn kernel impurity screening device provided in this embodiment is as follows: During use, the drive motor 301 drives the pneumatic conveying impeller 302 to rotate, causing suction force to be generated at one end of the suction pipe 303. The corn kernels are then sucked into the housing 1 through the suction pipe 303, allowing for rapid feeding. The corn kernels fall onto the primary vibrating screen plate 402, and the primary vibration motor 401 drives the primary vibrating screen plate 402 to begin vibrating. Because the aperture of the primary vibrating screen plate 402 is larger than the outer diameter of the corn kernels, the corn kernels and small particles of impurities fall downwards through the primary vibrating screen plate 402, while large particles of impurities move in an inclined direction through the primary vibrating screen plate 402. Particulate impurities are screened out through the large particulate impurity discharge port 102 and the large particulate impurity guide plate 409. Corn kernels and small particulate impurities fall onto the secondary vibrating screen plate 502. The secondary vibrating motor 501 drives the secondary vibrating screen plate 502 to vibrate. Since the aperture of the secondary vibrating screen plate 502 is smaller than the outer diameter of the corn kernels, small particulate impurities fall down through the secondary vibrating screen plate 502 onto the small particulate impurity collection plate 510, and are then discharged and collected through the small particulate impurity discharge port 104 and the small particulate impurity guide plate 511. Meanwhile, the corn kernels are vibrated and moved by the inclination of the secondary vibrating screen plate 502, causing the corn kernels to be discharged and collected through the corn kernel discharge port 103 and the corn kernel guide plate 509.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A corn kernel impurity screening device based on multi-stage vibration, characterized in that, include, The housing (1) has a support base (2) at its bottom. A wind-powered material suction mechanism (3) is provided on the housing (1) and is used to transport corn kernels into the housing (1) by wind power. A primary vibration screening mechanism (4) is provided inside the upper part of the housing (1). The primary vibration screening mechanism (4) is used to vibrate the corn kernels and screen out large particles of impurities. The secondary vibration screening mechanism (5) is located inside the housing (1) and below the primary vibration screening mechanism (4). The secondary vibration screening mechanism (5) is used to vibrate the corn kernels in a secondary manner and screen out small particle impurities.

2. The corn kernel impurity screening device based on multi-stage vibration according to claim 1, characterized in that: The wind-powered material suction mechanism (3) includes a drive motor (301), a wind-powered conveying impeller (302), a suction pipe (303), and a material conveying box (304). The upper part of the housing (1) is provided with a feed inlet (101), the wind-powered conveying impeller (302) is disposed on the housing (1) and connected to the feed inlet (101), the output end of the drive motor (301) is connected to the wind-powered conveying impeller (302), the suction pipe (303) is disposed at the input end of the wind-powered conveying impeller (302), and the conveying box (304) is disposed in the housing (1) at the position corresponding to the feed inlet (101).

3. The corn kernel impurity screening device based on multi-stage vibration according to claim 2, characterized in that: The primary vibration screening mechanism (4) includes a primary vibration motor (401), a primary vibration screen plate (402), a first fixed plate (403), a first guide rod (404), a first spring (405), a second fixed plate (406), a second guide rod (407), and a second spring (408). The first-stage vibrating screen plate (402) is inclinedly arranged inside the housing (1). The highest end of the first-stage vibrating screen plate (402) is located below the material conveying box (304). The first-stage vibrating motor (401) is arranged on the outside of the housing (1). The output end of the first-stage vibrating motor (401) is connected to the first-stage vibrating screen plate (402). The first fixing plate (403) is disposed inside the housing (1) above the highest end of the first-stage vibrating screen plate (402). The highest end of the first-stage vibrating screen plate (402) and the first fixing plate (403) are connected by a first guide rod (404). The first spring (405) is disposed on the first guide rod (404) below the first-stage vibrating screen plate (402). The second fixing plate (406) is disposed inside the housing (1) below the lowest end of the first-stage vibrating screen plate (402). The lowest end of the first-stage vibrating screen plate (402) and the second fixing plate (406) are connected by a second guide rod (407). The second spring (408) is disposed on the second guide rod (407) below the second fixing plate (406).

4. The corn kernel impurity screening device based on multi-stage vibration according to claim 3, characterized in that: The aperture of the primary vibrating screen plate (402) is larger than the outer diameter of the corn kernel. A large particle impurity discharge port (102) is provided on the housing (1) at the lowest end corresponding to the primary vibrating screen plate (402). A large particle impurity discharge plate (409) is provided on the housing (1) below the large particle impurity discharge port (102).

5. A corn kernel impurity screening device based on multi-stage vibration according to claim 4, characterized in that: The secondary vibration screening mechanism (5) includes a secondary vibration motor (501), a secondary vibration screen plate (502), a third fixed plate (503), a third guide rod (504), a third spring (505), a fourth fixed plate (506), a fourth guide rod (507), and a fourth spring (508). The secondary vibrating screen plate (502) is inclinedly disposed inside the housing (1) below the primary vibrating screen plate (402), and the inclination direction of the secondary vibrating screen plate (502) and the primary vibrating screen plate (402) is opposite. The secondary vibrating motor (501) is disposed on the outside of the housing (1), and the output end of the secondary vibrating motor (501) is connected to the secondary vibrating screen plate (502). The third fixing plate (503) is disposed inside the housing (1) above the highest end of the secondary vibrating screen plate (502). The uppermost end of the secondary vibrating screen plate (502) and the third fixing plate (503) are connected by the third guide rod (504). The third spring (505) is disposed on the third guide rod (504) below the highest end of the secondary vibrating screen plate (502). The fourth fixing plate (506) is disposed inside the housing (1) below the lowest end of the secondary vibrating screen plate (502). The lowest end of the secondary vibrating screen plate (502) and the fourth fixing plate (506) are connected by the fourth guide rod (507). The fourth spring (508) is disposed on the fourth guide rod (507) below the fourth fixing plate (506).

6. The corn kernel impurity screening device based on multi-stage vibration according to claim 5, characterized in that: The aperture of the secondary vibrating screen plate (502) is smaller than the outer diameter of the corn kernel. A corn kernel outlet (103) is provided on the housing (1) at the lowest end of the secondary vibrating screen plate (502). A corn kernel discharge plate (509) is provided on the housing (1) below the corn kernel outlet (103).

7. A corn kernel impurity screening device based on multi-stage vibration according to claim 6, characterized in that: The secondary vibrating screen removal mechanism (5) also includes a small particle impurity collection plate (510), which is inclinedly arranged inside the housing (1) and located below the secondary vibrating screen plate (502). The inclination directions of the small particle impurity collection plate (510) and the secondary vibrating screen plate (502) are opposite.

8. A corn kernel impurity screening device based on multi-stage vibration according to claim 7, characterized in that: The housing (1) has a small particle impurity outlet (104) at the lowest end corresponding to the small particle impurity collection plate (510), and a small particle impurity discharge plate (511) is provided below the small particle impurity outlet (104) on the housing (1).