Rice seed screening device

Abstract

The utility model discloses a rice seed screening device, and relates to the technical field of rice seed processing. The rice seed screening device comprises a box body, a shaking structure and an auxiliary mechanism, two sets of vertical plates are fixedly installed at the top of the box body, a table plate is fixedly installed at the tops of the vertical plates, a shell is arranged at the top of the table plate, a material box communicated with the interior of the box body is fixedly installed at the top of the box body, and a guide cover communicated with the interior of the material box is fixedly installed at the top of the material box; a rectangular opening is formed in the bottom of the box body, the top of the guide cover is fixedly connected with the bottom of the platen, the shaking structure is arranged on the platen, and the auxiliary mechanism is arranged on the top of the box body. According to the rice seed screening device, rice can be carded while being screened, the rice is prevented from being accumulated at a certain position, the rice seeds which are light in specific gravity and damaged by worms or mildewed can be removed, and the screening effect of the rice seed screening device is better.

Description

Technical Field

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

[0002] A rice seed screening device disclosed in Chinese patent document CN211678704U comprises a shell, a feeding hopper is arranged on the top of the shell, a first screen and a second screen are arranged in the shell, one side of the first screen is connected to one side of the inner wall of the shell, and the other side is connected to the other side of the inner wall, one side of the first screen is lower than the other side of the first screen, and a first impurity discharge pipe is arranged on the outer wall of the shell close to one side of the first screen; the second screen is arranged at the lower part of the first screen, one side of the second screen is connected to one side of the inner wall of the shell, and the other side of the second screen is connected to the other side of the inner wall of the shell; one side of the second screen is higher than the other side of the second screen, and a seed discharge pipe is arranged on the outer wall of the shell close to the other side of the second screen; the utility model provides a rice seed screening device, which has high screening efficiency, and a vibration reduction buffer device is arranged at the bottom, which can improve the service life of the equipment.

[0003] The above-mentioned rice seed screening device uses a double-layer screen to screen and process, and can only screen larger or lower impurities and dust in the rice seeds. Moreover, accumulation is likely to occur during screening, resulting in a low screening rate. Utility Model Content

[0004] The utility model aims to provide a rice seed screening device, which can solve the problem of easy accumulation during screening, resulting in a low screening rate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rice seed screening device, comprising a box body, a shaking structure and an auxiliary mechanism, two groups of vertical plates are fixedly installed on the top of the box body, a table plate is fixedly installed on the top of the vertical plates, a shell is arranged on the top of the table plate, a material box communicated with the interior of the box body is fixedly installed on the top of the box body, a guide cover communicated with the interior of the material box is fixedly installed on the top of the material box, a rectangular opening is opened at the bottom of the box body, the top of the guide cover is fixedly connected to the bottom of the table plate, the shaking structure is arranged on the table plate, the shaking structure comprises a motor, a disc, a round rod and a cross bar, the output shaft of the motor is fixedly connected to the rear side of the disc through a connecting rod, a round rod is fixedly installed on the front side of the disc, a cross bar is movably sleeved on the outer wall of the round rod, and the end of the cross bar away from the disc is hingedly installed with the side wall of the shell, and the auxiliary mechanism is arranged on the top of the box body to assist in unloading of materials from the material box.

[0006] Preferably, a vertical plate is fixedly installed on the top of the table, the motor is fixedly installed on the rear side of the vertical plate, and the connecting rod is rotatably installed on the front side of the vertical plate.

[0007] Preferably, a discharge port is provided at the bottom of the shell, the width of the discharge port is smaller than the width of the rectangular opening, an inclined filter plate is fixedly installed inside the shell, a discharge frame communicating with the interior of the shell is fixedly connected to one side of the shell, and a mounting plug is snap-fitted into the discharge frame.

[0008] Preferably, the auxiliary mechanism includes pads, a motor, a bent rod, a linkage rod and a baffle. The pads are in two groups and are fixedly mounted on the top of the box body. The motor is fixedly mounted on the front side of a group of pads located on the front side. The bent rod is rotatably mounted between the two groups of pads. A connecting sleeve is provided on the movable sleeve of the bent rod. The connecting sleeve is hingedly mounted on one end of the linkage rod, and the other end of the linkage rod is hingedly mounted on the other side of the baffle. An opening is provided on the other side of the material box for the baffle to reciprocate.

[0009] Preferably, two sets of guide rails are fixedly installed on the top of the table, and the two sets of guide rails are respectively located on the front and rear sides of the rectangular opening. Four sets of blocks are fixedly connected to the bottom of the shell, and each set of two blocks is a group. The sets of blocks are slidably installed on the guide rails, so that the shell has the ability to move.

[0010] Preferably, two groups of mounting plates are fixedly installed on the top of the table and are arranged front to back, a horizontal bar is fixedly installed between the two groups of mounting plates, and more than two groups of toggle rods are fixedly installed on the bottom of the horizontal bar, and the toggle rods do not contact the filter plate.

[0011] Preferably, a hair dryer is fixedly installed inside the box, the hair dryer is located on one side of the material box, a guide seat is fixedly installed on the inner bottom of the box, the guide seat is located below the material box, and a discharge door is hingedly installed on the front side of the box to facilitate the discharge of materials.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The rice seed screening device can perform preliminary screening on the rice in the shell through the coordinated use of the shaking structure, the guide rail and the sleeve block, and can separate larger impurities or rice stalks from the rice. The arrangement of the mounting plate, the horizontal bar and the toggle rod can comb the rice while the shell moves back and forth horizontally to avoid accumulation in a certain place, which causes a reduction in the screening rate. The arrangement of the auxiliary mechanism can, on the one hand, seal the material box, so that the subsequent air selection effect is better, and on the other hand, the reciprocating horizontal movement of the baffle can accelerate the unloading of the material box. The arrangement of the guide seat and the blower can remove the insect-eaten or moldy rice seeds with lighter specific gravity, so that the screening effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the housing of the utility model;

[0018] Figure 4 It is an enlarged view of part A of the present utility model.

[0019] Figure numerals: 1. box body; 2. vertical plate; 3. vertical plate; 4. shaking structure; 41. motor; 42. disc; 43. round rod; 44. cross bar; 5. shell; 6. table top; 7. guide rail; 8. sleeve block; 9. mounting plate; 10. cross bar; 11. toggle rod; 12. guide cover; 13. material box; 14. cushion bar; 15. motor; 16. curved rod; 17. linkage rod; 18. baffle; 19. guide seat; 20. blower; 21. filter plate; 22. discharge frame. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] See also Figure 1-4The utility model provides a technical solution: a rice seed screening device, including a box body 1, a shaking structure 4 and an auxiliary mechanism, two groups of vertical plates 2 are fixedly installed on the top of the box body 1, a table 6 is fixedly installed on the top of the vertical plates 2, a shell 5 is arranged on the top of the table 6, a material box 13 connected with the interior of the box body 1 is fixedly installed on the top of the box body 1, a guide cover 12 connected with the interior of the box body 13 is fixedly installed on the top of the material box 13, a rectangular opening is opened at the bottom of the box body 1, the top of the guide cover 12 is fixedly connected to the bottom of the table 6, the shaking structure 4 is arranged on the table 6, the shaking structure 4 includes a motor 41, a disc 42, a round rod 43 and a cross rod 44, the output shaft of the motor 41 is fixedly connected to the rear side of the disc 42 through a connecting rod, and the disc 4 2 is fixedly installed with a round rod 43, and the outer wall of the round rod 43 is movably sleeved with a cross bar 44, and the end of the cross bar 44 away from the disc 42 is hingedly installed with the side wall of the shell 5. The rice seeds are put into the shell 5, and then the motor 41 is controlled to drive the rotation of the disc 42, and then the shell 5 is driven to move left and right repeatedly through the round rod 43 and the cross bar 44. During the process, the toggle rod 11 automatically combs the rice in the shell 5, and the rice in the shell 5 can be preliminarily screened and processed, and larger impurities or rice stalks can be separated from the rice. It can also be combed while the shell 5 reciprocates and moves horizontally to avoid accumulation in a certain place, resulting in a reduction in the screening rate. The auxiliary mechanism is arranged on the top of the box body 1, and can assist in unloading the material box 13.

[0022] A vertical plate 3 is fixedly installed on the top of the table 6, a motor 41 is fixedly installed on the rear side of the vertical plate 3, a connecting rod is rotatably installed on the front side of the vertical plate 3, a discharge port is opened at the bottom of the shell 5, the width of the discharge port is smaller than the width of the rectangular opening, an inclined filter plate 21 is fixedly installed inside the shell 5, a discharge frame 22 communicated with the interior of the shell 5 is fixedly connected to one side of the shell 5, and a mounting plug is snap-fitted into the discharge frame 22.

[0023] The auxiliary mechanism includes a pad 14, a motor 15, a bent rod 16, a linkage rod 17 and a baffle 18. The pad 14 is in two groups and is fixedly installed on the top of the box body 1. The motor 15 is fixedly installed on the front side of a group of pads 14 located on the front side. The bent rod 16 is rotatably installed between the two groups of pads 14. A connecting sleeve is movable on the bent rod 16. The connecting sleeve is hingedly installed with one end of the linkage rod 17. The other end of the linkage rod 17 is hingedly installed with the other side of the baffle 18. An opening for the reciprocating movement of the baffle 18 is opened on the other side of the material box 13. Two groups of guide rails 7 are fixedly installed on the top of the table 6. The two groups of guide rails 7 are respectively located on the front and rear sides of the rectangular opening. Four sets of blocks 8 are fixedly connected to the bottom of the shell body 5, and each two are in a group. The sets of blocks 8 are slidably installed on the guide rails 7. Two groups of mounting plates 9 are fixedly installed on the top of the table 6 and are arranged front and back. A horizontal bar 10 is fixedly installed between the two groups of mounting plates 9. Two The toggle rod 11 of the group is above, and the toggle rod 11 does not contact the filter plate 21. A hair dryer 20 is fixedly installed inside the box body 1, and an air inlet is opened on the rear side of the box body 1. The hair dryer 20 is located on one side of the material box 13. A guide seat 19 is fixedly installed on the inner bottom of the box body 1, and the guide seat 19 is located below the material box 13. A discharge door is hingedly installed on the front side of the box body 1. The control motor 15 drives the rotation of the curved rod 16, and then drives the baffle 18 to move left and right repeatedly through the linkage rod 17. When the rice is discharged downward through the material box 13, the hair dryer 20 is controlled to air-select the discharged rice. On the one hand, it can have a sealing effect on the material box 13, so that the subsequent air selection effect is better. On the other hand, the reciprocating lateral movement of the baffle 18 can accelerate the unloading of the material box 13. Through the arrangement of the guide seat 19 and the hair dryer 20, the rice seeds with lighter specific gravity that are infested by insects or moldy can be removed, so that the screening effect is better.

[0024] Working principle: rice seeds are placed in the shell 5, and then the motor 41 is controlled to drive the rotation of the disc 42, and then the shell 5 is driven to move left and right repeatedly through the round rod 43 and the cross rod 44. During the process, the toggle rod 11 automatically combs the rice in the shell 5, and at the same time controls the motor 15 to drive the rotation of the curved rod 16, and then drives the baffle 18 to move left and right repeatedly through the linkage rod 17, which has a role of accelerating the discharge of the material box 13. When the rice is discharged downward through the material box 13, the hair dryer 20 is controlled to air-select the discharged rice.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A rice seed screening device, characterized in that: include: A box body (1), two groups of vertical plates (2) are fixedly mounted on the top of the box body (1), a table plate (6) is fixedly mounted on the top of the vertical plates (2), a shell (5) is arranged on the top of the table plate (6), a material box (13) communicating with the interior of the box body (1) is fixedly mounted on the top of the box body (1), a guide cover (12) communicating with the interior of the box body (13) is fixedly mounted on the top of the material box (13), a rectangular opening is provided at the bottom of the box body (1), and the top of the guide cover (12) is fixedly connected to the bottom of the table plate (6); The shaking structure (4) is arranged on the table (6), and comprises a motor (41), a disc (42), a round rod (43) and a cross rod (44). The output shaft of the motor (41) is fixedly connected to the rear side of the disc (42) through a connecting rod, the round rod (43) is fixedly installed on the front side of the disc (42), the outer wall of the round rod (43) is movably sleeved with a cross rod (44), and one end of the cross rod (44) away from the disc (42) is hingedly installed to the side wall of the housing (5); The auxiliary mechanism is arranged on the top of the box body (1) and can assist in unloading materials from the material box (13).

2. A rice seed screening device according to claim 1, characterized in that: A vertical plate (3) is fixedly mounted on the top of the table (6), a motor (41) is fixedly mounted on the rear side of the vertical plate (3), and a connecting rod is rotatably mounted on the front side of the vertical plate (3).

3. A rice seed screening device according to claim 2, characterized in that: The bottom of the shell (5) is provided with a discharge port, the width of which is smaller than the width of the rectangular opening; a filter plate (21) arranged in an inclined manner is fixedly installed inside the shell (5); a discharge frame (22) communicating with the interior of the shell (5) is fixedly connected to one side of the shell (5); a mounting plug is clamped and installed inside the discharge frame (22).

4. A rice seed screening device according to claim 3, characterized in that: The auxiliary mechanism comprises a pad strip (14), a motor (15), a bent rod (16), a linkage rod (17) and a baffle (18). The pad strips (14) are in two groups and are fixedly mounted on the top of the box body (1). The motor (15) is fixedly mounted on the front side of a group of pad strips (14) located on the front side. The bent rod (16) is rotatably mounted between the two groups of pad strips (14). A connecting sleeve is movable on the bent rod (16). The connecting sleeve is hingedly mounted on one end of the linkage rod (17). The other end of the linkage rod (17) is hingedly mounted on the other side of the baffle (18). An opening is provided on the other side of the material box (13) for the baffle (18) to reciprocate.

5. A rice seed screening device according to claim 4, characterized in that: Two sets of guide rails (7) are fixedly mounted on the top of the platform (6), and the two sets of guide rails (7) are respectively located at the front and rear sides of the rectangular opening. Four sets of blocks (8) are fixedly connected to the bottom of the shell (5), and each set of two sets of blocks (8) are slidably mounted on the guide rails (7).

6. A rice seed screening device according to claim 5, characterized in that: Two groups of mounting plates (9) are fixedly mounted on the top of the table (6) and arranged in a front-to-back manner; a horizontal bar (10) is fixedly mounted between the two groups of mounting plates (9); and more than two groups of toggle rods (11) are fixedly mounted on the bottom of the horizontal bar (10); the toggle rods (11) do not contact the filter plate (21).

7. A rice seed screening device according to claim 6, characterized in that: A blower (20) is fixedly installed inside the box (1), the blower (20) is located on one side of the material box (13), a guide seat (19) is fixedly installed on the inner bottom of the box (1), the guide seat (19) is located below the material box (13), and a discharge door is hingedly installed on the front side of the box (1).

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