Seed impurity removal device

Abstract

The utility model provides a seed impurity removing device which comprises a screening cylinder, a base is fixedly arranged at the bottom of the screening cylinder through a fixing rod, the screening cylinder is in a funnel shape, and a first screening mechanism is arranged in the top end of the screening cylinder. A magnet rod is arranged at the bottom of the cross rod, scrap iron and other impurities of the rice seeds are adsorbed through the magnet rod, the scrap iron and other impurities cannot block filter holes of a first filter screen, impurity removal of the rice seeds is facilitated, and the impurity removal efficiency of the rice seeds can be improved; a servo motor and a rotating rod drive a rotating pipe and a paddle to rotate, the rotating pipe drives a magnet rod through a cross rod to stir rice seeds, primary screening is conveniently conducted on the rice seeds, secondary screening is conveniently conducted on the rice seeds through a second filter screen and the paddle, and therefore the screening efficiency of the rice seeds is improved; the second filter screen can be conveniently detached through the fastening bolt and the fixing plate, so that the rice seeds filtered by the second filter screen can be conveniently discharged, and the operation is simple.

Description

Technical Field

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

[0002] Rice seeds need to be selected before planting, so impurities in the rice seeds, such as stones, need to be removed.

[0003] However, some rice seed impurity removal devices use the principle of using a vibration motor to drive the screen to vibrate. For example, the rice seed impurity removal device proposed in the Chinese utility model patent with announcement number CN205270120U has an impurity removal box whose bottom is connected to the vibration motor through a rocker and a connecting rod, and the connecting rod is hinged to the rocker, and the rocker is also hinged to the connecting piece. The vibration motor drives the screen to move up and down during the rotation process, causing the screen to vibrate and then remove impurities from the rice seeds in the screen. The screen is provided with a magnetic part. During the process of screening rice seeds, iron filings and the like will be adsorbed on the magnetic part, blocking the screen holes of the screen, making the screen easily blocked by impurities, reducing the screening efficiency of rice seeds, and having low practicality.

[0004] To this end, the utility model provides a seed impurity removal device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a seed impurity removal device to solve the problems raised in the above-mentioned background technology. The utility model arranges a magnet rod at the bottom of the cross bar, and uses the magnet rod to adsorb iron filings and other debris in the rice seeds. The iron filings and other debris will not block the filter holes of the first filter screen, thereby facilitating the impurity removal of the rice seeds and improving the efficiency of the rice seed impurity removal.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a seed impurity removal device, including a screening cylinder, a base is fixedly arranged at the bottom of the screening cylinder by a fixing rod, the screening cylinder is funnel-shaped, a first screening mechanism is arranged inside the top end of the screening cylinder, the first screening mechanism includes a first filter screen and a first stirring mechanism, the first filter screen is installed inside the top end of the screening cylinder through a positioning rod, the first stirring mechanism includes a rotating tube, cross bars are symmetrically fixedly arranged on both sides of the rotating tube, magnet bars are equidistantly fixedly arranged at the bottom of the cross bars, a second screening mechanism is arranged at the bottom end of the screening cylinder, the second screening mechanism includes a second filter screen and a fixing plate, and the second filter screen is arranged inside the bottom end of the screening cylinder.

[0007] Furthermore, the rotating tube is installed in a limited rotational manner at the central position inside the first filter screen, the cross bar and the magnet rod are both arranged on the top of the first filter screen, and a square groove is arranged inside the bottom end of the rotating tube.

[0008] Furthermore, the positioning rods are symmetrically arranged on both sides of the bottom of the first filter screen, and positioning grooves are opened inside the screening cylinder at positions corresponding to the positions of the positioning rods, and the positioning rods are inserted and installed inside the positioning grooves.

[0009] Furthermore, a servo motor is fixedly installed inside the bottom end of the base, a rotating rod is fixedly installed on the output shaft of the servo motor, and the top end of the rotating rod is movably arranged inside the screening cylinder.

[0010] Furthermore, the top end of the rotating rod is in a square shape, and the top end of the rotating rod is limitedly slidably installed inside the reflection groove.

[0011] Furthermore, a paddle is fixedly provided on the outer wall at the middle position of the rotating rod, and the paddle is arranged below the first filter screen and corresponds to the inside of the screening cylinder.

[0012] Furthermore, the fixing rod is circularly fixed between the screening cylinder and the base, the fixing plates are symmetrically fixed at both ends of the second filter screen, the fixing plates and the second filter screen are in the same plane, and the fixing plates are slidably mounted on the fixing rods on both sides through sliding holes.

[0013] Furthermore, a fastening bolt is screwed into one end of the fixing plate through a screw hole, one end of the fastening bolt is arranged inside the sliding hole and contacts the outer wall of the fixing rod, and protrusions are provided on the top of the base and the top of the second filter.

[0014] The beneficial effects of the utility model are as follows: the utility model provides a seed impurity removal device by arranging a magnet rod at the bottom of the cross bar, so that iron filings and other debris in the rice seeds are adsorbed by the magnet rod, and the iron filings and other debris will not block the filter holes of the first filter screen, so that the rice seeds are conveniently removed from the impurities, and the rice seed impurity removal efficiency can be improved; the servo motor and the rotating rod drive the rotating tube and the paddle blades to rotate, and the rotating tube drives the magnet rod to stir the rice seeds through the cross bar, so that the rice seeds are conveniently screened once, and the rice seeds are conveniently screened twice through the second filter screen and the paddle blades, thereby improving the screening efficiency of the rice seeds; the second filter screen is conveniently disassembled by fastening bolts and fixing plates, so that the rice seeds filtered by the second filter screen can be conveniently discharged, and the operation is simple and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a seed impurity removal device of the utility model;

[0016] Figure 2 It is a front cross-sectional view of a seed impurity removal device of the utility model;

[0017] Figure 3This is a structural diagram of the first stirring mechanism of a seed impurity removal device of the utility model;

[0018] Figure 4 This is a structural diagram of the second screening mechanism of a seed impurity removal device of the utility model;

[0019] In the figure: 1. screening cylinder; 2. first filter screen; 3. first stirring mechanism; 4. base; 5. second screening mechanism; 6. fixing rod; 7. positioning rod; 8. positioning groove; 9. rotating tube; 10. rotating rod; 11. cross bar; 12. magnet rod; 13. paddle; 14. second filter screen; 15. fixing plate; 16. fastening bolt; 17. servo motor. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a seed impurity removal device, comprising a screening cylinder 1, a base 4 is fixedly arranged at the bottom of the screening cylinder 1 through a fixing rod 6, the screening cylinder 1 is in the shape of a funnel, a first screening mechanism is arranged inside the top of the screening cylinder 1, the first screening mechanism comprises a first filter screen 2 and a first stirring mechanism 3, the first filter screen 2 is installed inside the top of the screening cylinder 1 through a positioning rod 7, the first stirring mechanism 3 comprises a rotating tube 9, cross bars 11 are symmetrically fixedly arranged on both sides of the rotating tube 9, and a magnet rod 12 is fixedly arranged at the bottom of the cross bar 11 at an equal distance, a second screening mechanism 5 is arranged at the bottom of the screening cylinder 1, the second screening mechanism 5 comprises a second filter screen 14 and a fixing plate 15, the second filter screen 14 is arranged inside the bottom of the screening cylinder 1, and the rice seeds on the top of the first filter screen 2 can be stirred by the arranged magnet rod 12 when the rotating tube 9 and the cross bar 11 rotate, so as to adsorb the iron filings and other debris therein, and at the same time, the magnetically attracted iron filings can be prevented from clogging the first filter screen 2, so as to facilitate the continuous screening of rice seeds.

[0022] In this embodiment, the rotating tube 9 is limitedly rotatably installed at the center position inside the first filter screen 2, the cross bar 11 and the magnet rod 12 are both arranged on the top of the first filter screen 2, and a square groove is arranged inside the bottom end of the rotating tube 9. The positioning rods 7 are symmetrically arranged on both sides of the bottom of the first filter screen 2. A positioning groove 8 is opened inside the screening cylinder 1 at the position corresponding to the positioning rod 7. The positioning rod 7 is plugged and installed inside the positioning groove 8. A servo motor 17 is fixedly installed inside the bottom end of the base 4, and a rotating rod 10 is fixedly installed on the output shaft of the servo motor 17. The top end of the rotating rod 10 is movably arranged inside the screening cylinder 1, and the top end of the rotating rod 10 is square in shape. The top end of the rotating rod 10 is limitedly slidably installed inside the reflection groove, and a paddle 13 is fixedly arranged on the outer wall of the middle position of the rotating rod 10. The paddle 13 is arranged below the first filter screen 2 and corresponds to the inside of the screening cylinder 1. The servo motor 17 drives the rotating rod 10 to rotate. The rotating rod 10 can drive the rotating tube 9 to rotate through the square groove, so that the rice seeds on the first filter screen 2 can be stirred by the cross bar 11 and the magnet rod 12 through the rotating tube 9, so as to facilitate the primary screening of the rice seeds. The paddle 13 can stir the rice seeds that have been screened once for a second time, so as to facilitate the secondary screening of the rice seeds through the second filter screen 14 and remove the smaller particles therein, so as to ensure the quality of the rice seeds.

[0023] In this embodiment, the fixing rod 6 is circular and fixedly arranged between the screening cylinder 1 and the base 4, the fixing plate 15 is symmetrically fixedly arranged at both ends of the second filter screen 14, the fixing plate 15 and the second filter screen 14 are in the same plane, the fixing plate 15 is slidably installed on the fixing rods 6 on both sides through sliding holes, and a fastening bolt 16 is screwedly installed inside one end of the fixing plate 15 through a screw hole, one end of the fastening bolt 16 is arranged inside the sliding hole and contacts the outer wall of the fixing rod 6, the top of the base 4 and the top of the second filter screen 14 are both provided with protrusions, and by rotating the fastening bolt 16, the fixing plate 15 can be slid on the fixing rod 6, so that the second filter screen 14 is separated from the bottom end of the screening cylinder 1, so that the screened rice seeds are conveniently discharged from the inside of the screening cylinder 1, thereby completing the impurity removal of the rice seeds.

[0024] When using the seed impurity removing device, the device is placed on a flat ground through the base 4, the fixing plate 15 is slid upward on the fixing rod 6, and the fastening bolt 16 is turned. The fixing rod 6 can be squeezed by the action of the fastening bolt 16 and the fixing plate 15, so as to facilitate the fixing of the fixing plate 15, and the second filter screen 14 is fixed to the bottom end of the screening cylinder 1, and rice seeds are placed on the top of the first filter screen 2. The servo motor 17 is started, and the servo motor 17 drives the rotating rod 10 to rotate, and the rotating rod 10 drives the rotating tube 9 and the paddle 13 to rotate, and the rotating tube 9 drives the cross bar 11 and the magnet rod 12 to rotate and move on the top of the first filter screen 2, so that the rice seeds can be stirred conveniently by the cross bar 11 and the magnet rod 12, and the magnet rod 12 absorbs iron filings and other debris in the rice seeds, and the iron filings and other debris will not block the first filter screen 2. The filter holes are convenient for removing impurities from rice seeds, which can improve the efficiency of removing impurities from rice seeds; the first filter screen 2 can filter other impurities in the rice seeds, and the filtered rice seeds fall on the top of the second filter screen 14, and are stirred by the paddle blades 13, which is convenient for secondary screening and removing impurities from the rice seeds. The impurities are directly discharged through the filter holes of the second filter screen 14, and the base 4 is provided with a protrusion to facilitate the discharge of impurities to the surroundings. After the impurity removal is completed, the fastening bolt 16 is rotated in the opposite direction to separate the fastening bolt 16 from the fixing rod 6, and the fixing plate 15 and the second filter screen 14 are moved downward, and the screened rice seeds are discharged, thereby improving the screening efficiency of the rice seeds; the cross bar 11 is used as a handle and pulled up to take out the first filter screen 2 from the inside of the screening cylinder 1, so as to facilitate the cleaning of impurities on the first filter screen 2 and the magnet rod 12.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A seed impurity removal device, comprising a screening cylinder (1), characterized in that: The bottom of the screening cylinder (1) is fixedly provided with a base (4) via a fixing rod (6); the screening cylinder (1) is funnel-shaped; a first screening mechanism is arranged inside the top end of the screening cylinder (1); the first screening mechanism comprises a first filter screen (2) and a first stirring mechanism (3); the first filter screen (2) is installed inside the top end of the screening cylinder (1) via a positioning rod (7); the first stirring mechanism (3) comprises a rotating tube (9); cross bars (11) are symmetrically fixedly provided on both sides of the rotating tube (9); magnet bars (12) are equidistantly fixedly provided at the bottom of the cross bars (11); a second screening mechanism (5) is arranged at the bottom end of the screening cylinder (1); the second screening mechanism (5) comprises a second filter screen (14) and a fixing plate (15); the second filter screen (14) is arranged inside the bottom end of the screening cylinder (1).

2. A seed impurity removal device according to claim 1, characterized in that: The rotating tube (9) is installed at a central position inside the first filter screen (2) for limited rotation, the cross bar (11) and the magnet rod (12) are both arranged on the top of the first filter screen (2), and a square groove is arranged inside the bottom end of the rotating tube (9).

3. A seed impurity removal device according to claim 2, characterized in that: The positioning rods (7) are symmetrically arranged on both sides of the bottom of the first filter screen (2); a positioning groove (8) is provided inside the screening cylinder (1) at a position corresponding to the position of the positioning rods (7); and the positioning rods (7) are inserted and installed inside the positioning grooves (8).

4. A seed impurity removal device according to claim 3, characterized in that: A servo motor (17) is fixedly mounted inside the bottom end of the base (4), a rotating rod (10) is fixedly mounted on the output shaft of the servo motor (17), and the top end of the rotating rod (10) is movably arranged inside the screening drum (1).

5. A seed impurity removal device according to claim 4, characterized in that: The top end of the rotating rod (10) is in the shape of a square, and the top end of the rotating rod (10) is limitedly slidably installed inside the reflection groove.

6. A seed impurity removal device according to claim 5, characterized in that: A paddle (13) is fixedly provided on the outer wall at the middle position of the rotating rod (10), and the paddle (13) is arranged below the first filter screen (2) and corresponds to the interior of the screening cylinder (1).

7. A seed impurity removal device according to claim 1, characterized in that: The fixing rod (6) is circularly fixedly arranged between the screening cylinder (1) and the base (4); the fixing plate (15) is symmetrically fixedly arranged at both ends of the second filter screen (14); the fixing plate (15) and the second filter screen (14) are in the same plane; the fixing plate (15) is slidably mounted on the fixing rods (6) on both sides through sliding holes.

8. A seed impurity removal device according to claim 7, characterized in that: A fastening bolt (16) is screwed into the interior of one end of the fixing plate (15) through a screw hole, one end of the fastening bolt (16) is arranged inside the sliding hole and contacts the outer wall of the fixing rod (6), and a protrusion is provided on the top of the base (4) and the top of the second filter (14).

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