Rice seed classifier

Abstract

The utility model relates to the technical field of rice, and discloses a rice seed classifier which comprises a box body, a screening mechanism is arranged on the box body, the screening mechanism comprises sliding rods, and the sliding rods are fixedly connected to the inner walls of the upper side and the lower side of the box body. According to the rice seed classifier, seeds can be classified and screened by arranging three screening plates with different screening hole diameters, a motor is started to drive a rotating shaft to rotate, the rotating shaft drives a sector gear to rotate, and the sector gear drives a rack to move, so that the rack drives a sliding sleeve to slide along the outer wall of a sliding rod; the sliding sleeve drives the screening plate and the connecting block to move and compress the spring, and when the sector gear is separated from the rack, the screening plate is reset under the action of self elasticity of the spring, so that the screening plate vibrates, the seeds are rapidly screened and discharged, the screening effect of the rice seeds is enhanced, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rice, in particular to a rice seed grader. Background Technique

[0002] Rice is a cereal crop of the genus Oryza, and the representative species is rice. Rice is divided into indica rice and japonica rice, early rice and mid-late rice, glutinous rice and non-glutinous rice according to the type of paddy. It is divided into conventional rice and hybrid rice according to the way of keeping seeds. There are other classifications, such as paddy rice and floating rice according to whether it is soilless cultivation; seasonal rice and "lazy rice" (ratoon rice) according to the survival cycle; ordinary rice and giant rice about 2 meters tall according to height; ordinary fresh water rice and "seawater rice" according to salt and alkali tolerance. The seeds of rice are paddy, and after the paddy is removed from the glume, it is called brown rice, and the brown rice can be obtained by removing the bran layer.

[0003] Before obtaining rice seeds, the original rice needs to be screened. The existing rice contains rice husks of different sizes and rice seeds of different sizes, resulting in a more complex screening process and increasing the labor intensity of screening. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a rice seed grader.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: A rice seed grader, including a box body, a screening mechanism is arranged on the box body, and the screening mechanism includes: a slide bar, the slide bar is fixedly connected to the inner walls of the upper and lower sides of the box body, a slide sleeve is movably sleeved on the outer wall of the slide bar, three screening plates are fixedly sleeved on the outer wall of the slide sleeve at equal intervals, a connecting block is movably sleeved on the lower part of the outer wall of the slide bar, and the top of the connecting block is fixedly connected to the bottom of the slide sleeve, the bottom of the connecting block is fixedly connected with a spring, and the bottom end of the spring is fixedly connected to the inner wall of the bottom of the box body, a rack is fixedly connected to the upper part of the outer wall of the slide sleeve, a motor is fixedly installed on the right side of the box body, the output end of the motor is fixedly connected with a rotating shaft through a coupling, and the left end of the rotating shaft extends into the box body, a sector gear is fixedly connected to the extending end of the rotating shaft, and the sector gear meshes with the rack. By setting three screening plates with different sieve hole diameters, the seeds can be classified and screened. By starting the motor to drive the rotating shaft to rotate, the rotating shaft drives the sector gear to rotate, the sector gear drives the rack to move, so that the rack drives the slide sleeve to slide along the outer wall of the slide bar, the slide sleeve drives the screening plate and the connecting block to move and compress the spring. When the sector gear disengages from the rack, the screening plate is reset under the action of the elastic force of the spring itself, so that the screening plate vibrates, the seeds are quickly screened and discharged, the screening effect of the rice seeds is enhanced, and the screening efficiency is improved.

[0008] Preferably, the three screening plates are all inclined, and the sieve hole diameters of the three screening plates decrease sequentially from top to bottom.

[0009] Preferably, three blanking channels are opened at equal intervals on the right side of the box body, and the right sides of the three screening plates respectively pass through the three blanking channels and extend to the right. The arranged blanking channels facilitate the blanking of the screened seeds.

[0010] Preferably, a impurity removing mechanism is arranged on the box body, and the impurity removing mechanism includes: two blowers and a impurity collecting hopper. The two blowers are respectively fixedly installed above the front of the box body, the impurity collecting hopper is fixedly connected above the back of the box body and is communicated with the box body, a impurity discharging pipe is fixedly connected to the rear end of the impurity collecting hopper, and a cloth bag is arranged at one end of the impurity discharging pipe away from the impurity collecting hopper. By starting the blowers to blow, the empty rice husks and dust in the rice seeds flow to the impurity collecting hopper along with the air flow and are transported to the cloth bag through the impurity discharging pipe for collection, so as to remove impurities from the rice seeds and improve the screening quality.

[0011] Preferably, a feeding hopper is fixedly connected to the top of the box body and is close to the left side of the box body.

[0012] Preferably, support legs are respectively fixedly connected to the four corners of the bottom of the box body, and a universal wheel is fixedly installed at the bottom end of each support leg. The arranged universal wheels facilitate the movement of the box body and improve the flexibility.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the utility model provides a rice seed grader, which has the following beneficial effects:

[0015] 1. For this rice seed grader, by setting three screening plates with different sieve hole diameters, the seeds can be classified and screened. By starting the motor to drive the rotation of the rotating shaft, the rotating shaft drives the rotation of the sector gear, and the sector gear drives the rack to move, so that the rack drives the sliding sleeve to slide along the outer wall of the sliding rod. The sliding sleeve drives the screening plate and the connecting block to move and compress the spring. When the sector gear disengages from the rack, under the action of the self-elastic force of the spring, the screening plate resets, so that the screening plate vibrates, enabling the seeds to be quickly screened and discharged, enhancing the screening effect of rice seeds and improving the screening efficiency.

[0016] 2. For this rice seed grader, by starting the blower to blow air, the empty rice husks and dust in the rice seeds flow towards the impurity collection hopper along with the air flow, and are conveyed through the impurity discharge pipe into the cloth bag for collection, thereby removing impurities from the rice seeds and improving the screening quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, but do not constitute a limitation to the utility model. In the drawings:

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a front sectional view of the utility model;

[0020] Figure 3 is a right sectional view of the utility model.

[0021] In the figure: 1. Box body; 2. Screening mechanism; 21. Slide bar; 22. Sliding sleeve; 23. Screening plate; 24. Connecting block; 25. Spring; 26. Rack; 27. Motor; 28. Rotating shaft; 29. Sector gear; 3. Feeding channel; 4. Impurity removal mechanism; 41. Blower; 42. Impurity collection hopper; 43. Impurity discharge pipe; 44. Cloth bag; 5. Feeding hopper; 6. Support leg; 7. Universal wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments.

[0023] Embodiment 1

[0024] AsFigures 1-3 As shown in the figure, the utility model provides a rice seed grader, which includes a box body 1. A screening mechanism 2 is arranged on the box body 1. The screening mechanism 2 includes: a slide bar 21, which is fixedly connected to the inner walls of the upper and lower sides of the box body 1. A slide sleeve 22 is movably sleeved on the outer wall of the slide bar 21. Three screening plates 23 are fixedly sleeved on the outer wall of the slide sleeve 22 at equal intervals. The three screening plates 23 are all inclined. The diameters of the screening holes of the three screening plates 23 decrease sequentially from top to bottom. A connecting block 24 is movably sleeved on the lower part of the outer wall of the slide bar 21, and the top of the connecting block 24 is fixedly connected to the bottom of the slide sleeve 22. A spring 25 is fixedly connected to the bottom of the connecting block 24, and the bottom end of the spring 25 is fixedly connected to the inner wall of the bottom of the box body 1. A rack 26 is fixedly connected to the upper part of the outer wall of the slide sleeve 22. A motor 27 is fixedly installed on the right side of the box body 1. The output end of the motor 27 is fixedly connected to a rotating shaft 28 through a coupling, and the left end of the rotating shaft 28 extends into the box body 1. A sector gear 29 is fixedly connected to the extended end of the rotating shaft 28, and the sector gear 29 meshes with the rack 26. By setting three screening plates 23 with different screening hole diameters, the seeds can be classified and screened. By starting the motor 27 to drive the rotating shaft 28 to rotate, the rotating shaft 28 drives the sector gear 29 to rotate, and the sector gear 29 drives the rack 26 to move, so that the rack 26 drives the slide sleeve 22 to slide along the outer wall of the slide bar 21. The slide sleeve 22 drives the screening plate 23 and the connecting block 24 to move and compress the spring 25. When the sector gear 29 disengages from the rack 26, the screening plate 23 is reset under the action of the self-elastic force of the spring 25, so that the screening plate 23 vibrates, enabling the seeds to be quickly screened and discharged, enhancing the screening effect of rice seeds and improving the screening efficiency. Three blanking channels 3 are arranged at equal intervals on the right side of the box body 1. The right sides of the three screening plates 23 respectively pass through the three blanking channels 3 and extend to the right. By setting the blanking channels 3, it is convenient for the screened seeds to be discharged. A feed hopper 5 is fixedly connected to the top of the box body 1 and is close to the left side of the box body 1. Four corners of the bottom of the box body 1 are respectively fixedly connected with support legs 6. A universal wheel 7 is fixedly installed at the bottom end of each support leg 6. By setting the universal wheels 7, it is convenient to move the box body 1 and improves the flexibility.

[0025] In this embodiment, by setting three screening plates 23 with different screening hole diameters, the seeds can be classified and screened. By starting the motor 27 to drive the rotating shaft 28 to rotate, the rotating shaft 28 drives the sector gear 29 to rotate, and the sector gear 29 drives the rack 26 to move, so that the rack 26 drives the slide sleeve 22 to slide along the outer wall of the slide bar 21. The slide sleeve 22 drives the screening plate 23 and the connecting block 24 to move and compress the spring 25. When the sector gear 29 disengages from the rack 26, the screening plate 23 is reset under the action of the self-elastic force of the spring 25, so that the screening plate 23 vibrates, enabling the seeds to be quickly screened and discharged, enhancing the screening effect of rice seeds and improving the screening efficiency.

[0026] Embodiment 2

[0027] As Figures 1-3 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, a impurity removing mechanism 4 is provided on the box body 1. The impurity removing mechanism 4 includes: two air blowers 41 and a impurity collecting hopper 42. The two air blowers 41 are respectively fixedly installed above the front of the box body 1, and the impurity collecting hopper 42 is fixedly connected above the back of the box body 1 and is communicated with the box body 1. A discharge pipe 43 is fixedly connected to the rear end of the impurity collecting hopper 42, and a cloth bag 44 is provided at one end of the discharge pipe 43 away from the impurity collecting hopper 42. By starting the air blower 41 to blow air, the empty rice husks and dust in the rice seeds flow towards the impurity collecting hopper 42 along with the air flow, and are transported to the cloth bag 44 through the discharge pipe 43 for collection, so as to remove impurities from the rice seeds and improve the screening quality.

[0028] In this embodiment, by starting the air blower 41 to blow air, the empty rice husks and dust in the rice seeds flow towards the impurity collecting hopper 42 along with the air flow, and are transported to the cloth bag 44 through the discharge pipe 43 for collection, so as to remove impurities from the rice seeds and improve the screening quality.

[0029] Next, the working principle of the rice seed grader will be specifically described.

[0030] As Figures 1-3 shown, during use, start the air blower 41 to blow air, and then put the rice seeds into the box body 1 through the feed hopper 5. The empty rice husks and dust in the rice seeds flow towards the impurity collecting hopper 42 along with the air flow, and are transported to the cloth bag 44 through the discharge pipe 43 for collection, so as to remove impurities from the rice seeds. The seeds can be classified and screened by setting three screening plates 23 with different sieve hole diameters. By starting the motor 27 to drive the rotating shaft 28 to rotate, the rotating shaft 28 drives the sector gear 29 to rotate, and the sector gear 29 drives the rack 26 to move, so that the rack 26 drives the sliding sleeve 22 to slide along the outer wall of the sliding rod 21. The sliding sleeve 22 drives the screening plate 23 and the connecting block 24 to move and compress the spring 25. When the sector gear 29 disengages from the rack 26, the screening plate 23 is reset under the action of the self-elastic force of the spring 25, so that the screening plate 23 vibrates, enabling the seeds to be quickly screened and discharged. The classified and screened rice seeds are discharged from the box body 1 through the discharge channel 3.

Claims

1. A rice seed classifier, comprising a housing (1), characterized in that: The box body (1) is provided with a screening mechanism (2), and the screening mechanism (2) comprises: a sliding rod (21), the sliding rod (21) is fixedly connected to the inner walls of the box body (1) at the upper and lower sides, the outer wall of the sliding rod (21) is movably sleeved with a sliding sleeve (22), the outer wall of the sliding sleeve (22) is equidistantly and fixedly sleeved with three screening plates (23), the lower part of the outer wall of the sliding rod (21) is movably sleeved with a connecting block (24), and the top of the connecting block (24) is fixedly connected to the bottom of the sliding sleeve (22), and the bottom of the connecting block (24) is fixedly connected to the outer wall of the sliding sleeve (22). A spring (25) is connected, and the bottom end of the spring (25) is fixedly connected to the bottom inner wall of the box body (1); a rack (26) is fixedly connected to the upper part of the outer wall of the sliding sleeve (22); a motor (27) is fixedly installed on the right side of the box body (1); the output end of the motor (27) is fixedly connected to a rotating shaft (28) through a coupling, and the left end of the rotating shaft (28) extends into the interior of the box body (1); the extended end of the rotating shaft (28) is fixedly connected to a sector gear (29), and the sector gear (29) is meshed with the rack (26).

2. A rice seed classifier according to claim 1, characterized in that: The three screening plates (23) are all arranged at an inclination, and the diameters of the screen holes of the three screening plates (23) decrease in sequence from top to bottom.

3. A rice seed classifier according to claim 1, characterized in that: Three material discharge channels (3) are provided at equal intervals on the right side of the box body (1), and the right sides of the three screening plates (23) respectively pass through the three material discharge channels (3) and extend to the right.

4. A rice seed classifier according to claim 1, characterized in that: The box body (1) is provided with a debris removal mechanism (4), the debris removal mechanism (4) comprising: two fans (41) and a debris collecting bucket (42), the two fans (41) being respectively fixedly mounted above the front of the box body (1), the debris collecting bucket (42) being fixedly connected to the top of the back of the box body (1) and being connected to the box body (1), the rear end of the debris collecting bucket (42) being fixedly connected to a debris discharge pipe (43), and a cloth bag (44) being provided at one end of the debris discharge pipe (43) away from the debris collecting bucket (42).

5. A rice seed classifier according to claim 1, characterized in that: A feed hopper (5) is fixedly connected to the top of the box body (1) and is close to the left side of the box body (1).

6. A rice seed classifier according to claim 1, characterized in that: The four corners of the bottom of the box body (1) are respectively fixedly connected with support legs (6), and a universal wheel (7) is fixedly mounted on the bottom end of each support leg (6).

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