Efficient precise sorting machine for rice seeds
By using a main water tank and floating baffle structure in the rice seed sorting machine, the water flow direction is controlled according to the liquid level, which solves the problem of unsatisfactory sorting effect in water-separated devices, achieves efficient separation of shriveled and plump seeds, and improves sorting efficiency and accuracy.
Patent Information
- Application Number
- CN202520051912.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing rice seed sorting machines have unsatisfactory sorting results in water separation devices due to the action of water flow. Shriveled seeds are carried to the bottom, while plump seeds are pushed to the surface, resulting in unsatisfactory sorting.
Design a high-efficiency precision rice seed sorting machine, which adopts a main water tank and floating baffle structure. The floating baffle controls the water flow direction according to the liquid level to separate shriveled and plump seeds. The seeds are then further processed in combination with a reflux device and a drying chamber.
It enables the effective separation of shriveled and plump seeds based on their saturation levels, reduces the impact of water flow, and improves sorting efficiency and accuracy.
Smart Images

Figure CN223747747U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a seed sorting technical field, concretely relates to a high -efficient rice seed precision sorting machine. BACKGROUND
[0002] The inside of common rice seed sorting machine includes winnowing device, water selecting device and sieve hole sorting device, winnowing device removes rice hull, soil and other impurities in seed, water selecting device separates shriveled seed and full seed, sieve hole sorting device classifies full seed according to the size of seed, but the effect of water selecting device does not reach the expected effect in actual use, a part of shriveled seed will be wrapped up to the bottom by water flow and a part of full seed will be impacted to the water surface by water flow when the rice seed after winnowing device enters water selecting device, finally cause the sorting effect of rice seed not ideal. UTILITY MODEL CONTENTS
[0003] The utility model discloses a high -efficient rice seed precision sorting machine, solves the problem that the last sorting effect is not ideal because of the action of water flow in water selecting device.
[0004] To solve the above technical problem, the utility model provides the following technical scheme:
[0005] The application provides a high-efficiency rice seed precision sorting machine, which comprises a feeding port, a winnowing device, a water sorting device, a drying chamber and a mesh sorting device; unsorted rice seeds enter the machine from the feeding port, and the rice seeds pass through the winnowing device, the water sorting device, the drying chamber and the mesh sorting device in sequence to be sorted; the water sorting device comprises a main water tank and a floating baffle; the main water tank has a first side and a second side which are oppositely arranged along the length direction of the main water tank; the first side of the main water tank is provided with a poor seed port; the second side of the main water tank is provided with a water injection port; the water injection port and the poor seed port are close to the top of the main water tank; the first side of the main water tank is provided with a good seed port which is close to the bottom of the main water tank; a floating baffle which can slide up and down is arranged between the first side and the second side; a gap is left between the bottom of the floating baffle and the bottom wall of the main water tank; the floating baffle is vertically arranged and separates the main water tank into a poor seed area close to the first side and a sorting area close to the second side; the water outlet speed of the good seed port is less than the water injection speed of the water injection port, so that the liquid level in the main water tank continuously rises; the water in the main water tank flows from the water injection port to the good seed port; after the sorted rice seeds are injected into the sorting area, they move towards the poor seed area along with the water flow; the full rice seeds sink and flow to the good seed port along the gap between the floating baffle and the bottom wall of the main water tank, and the dry rice seeds float on the water surface and are blocked by the floating baffle; the floating baffle is connected with a driver which drives the floating baffle to vertically move up and down; the driver is electrically connected with a float switch which is arranged in the main water tank and is used for detecting the liquid level in the main water tank; when the liquid level in the main water tank is higher than the height of the poor seed port, the driver drives the floating baffle to descend, so that the dry rice seeds blocked by the floating baffle move to the poor seed area along with the water flow and are finally discharged through the poor seed port; the water injection speed of the water injection port is less than the sum of the water outlet speeds of the good seed port and the poor seed port; when the liquid surface in the main water tank is lower than the top end height of the floating baffle after descending, the driver drives the floating baffle to rise.
[0006] Further, the second side of the main water tank is provided with a backflow port, and a backflow device is arranged below the main water tank; the water and the full seeds in the main water tank enter the backflow device from the good seed port; the backflow device separates the water and the seeds; the backflow device delivers the seeds to the drying chamber and collects the separated water; the backflow device contains a water pump which pumps the collected water to the backflow port and re-enters the main water tank from the backflow port.
[0007] Further, the backflow device comprises a perforated conveying belt, a secondary water tank, a water pump and a water pipe, one end of the perforated conveying belt is located below the superior seed outlet, the other end of the perforated conveying belt is arranged at the input end of the drying chamber, a plurality of through holes are uniformly arranged on the belt surface of the perforated conveying belt, the secondary water tank is arranged below the perforated conveying belt, the secondary water tank is used for collecting water separated from the full rice seeds, the sidewall of the secondary water tank is provided with a water suction port penetrating through, the water suction port is connected with the input end of the water pump through the water pipe, and the output end of the water pump is connected with the backflow port through the water pipe.
[0008] Further, the diameter of the through hole is smaller than the diameter of the rice seed.
[0009] Further, the water suction port on the secondary water tank is close to the bottom wall of the secondary water tank.
[0010] Further, the first side of the main water tank is provided with a partition plate, the partition plate is located between the superior seed outlet and the inferior seed outlet, the partition plate is connected with the floating baffle, and the partition plate and the floating baffle divide the main water tank into an inferior seed area close to the first side and a sorting area close to the second side; the inferior seed outlet is located in the inferior seed area, and the superior seed outlet and the water inlet are located in the sorting area.
[0011] Further, vertical grooves are arranged on the inner walls of the front and back of the main water tank, and the two sides of the floating baffle are respectively provided with extension ends matched with the grooves, and the extension ends can freely slide vertically on the grooves.
[0012] Further, the float switch is arranged between the floating baffle and the second side of the main water tank, and the sensing end of the float switch is located in the interior of the main water tank.
[0013] The beneficial effects of the utility model compared with the prior art are:
[0014] 1. The utility model provides a high -efficient rice seed precision sorting machine, and the both sides of water tank are equipped with water inlet and inferior seed outlet respectively, and the water inlet and inferior seed outlet are close to the top of water tank, and the water in the interior of water tank flows to inferior seed outlet from water inlet, and the water inlet and inferior seed outlet are equipped with vertical floating baffle, and the water inlet and floating baffle can prevent water flow from moving vertically in the interior of water tank, avoid impacting full rice seed that sinks to water surface and carrying dry rice seed that floats to the bottom of water.
[0015] 2. The utility model provides a high -efficient rice seed precision sorting machine, and the interior of water tank is provided with a floating baffle, and the floating baffle is controlled by float switch, and the float switch controls the floating baffle to rise and fall in the interior of water tank according to the height of liquid surface, when the floating baffle rises, the seed on water surface is intercepted by the floating baffle, and the seed cannot be discharged from inferior seed outlet, when the floating baffle falls, the intercepted seed can be discharged from inferior seed outlet outside the machine, through the interception of the seed by the floating baffle, the seed only floats or sinks in the interior of water tank according to the different saturation of itself, and the influence of water flow can be reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.
[0017] Figure 1 Flowchart of the embodiment of the present application;
[0018] Figure 2 Perspective view of the water selection device in the embodiment of the present application;
[0019] Figure 3 Front view of the water selection device in the embodiment of the present application;
[0020] Figure 4 Left view of the water selection device in the embodiment of the present application;
[0021] Figure 5 Top view of the water selection device in the embodiment of the present application;
[0022] Figure 6 Sectional view of the embodiment of the present application along A-A line; Figure 5
[0023] Figure 7 Bottom view of the water selection device in the embodiment of the present application;
[0024] The numbers in the figures represent the following respectively:
[0025] 1 - feed inlet; 2 - air selection device; 3 - water selection device; 31 - main water tank; 311 - water inlet; 312 - water injection port; 313 - inferior species port; 314 - superior species port; 315 - partition; 316 - backflow port; 32 - floating baffle; 33 - floating ball switch; 34 - backflow device; 341 - perforated conveyor belt; 342 - auxiliary water tank; 343 - water pump; 344 - water pipe; 4 - drying chamber; 5 - sieve hole sorting device. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0027] For example, Figure 1 As shown, a high-efficiency rice seed precision sorting machine is provided, comprising: a feed inlet 1, a winnowing device 2, a water sorting device 3, a drying chamber 4 and a screen sorting device 5;
[0028] Unsorted rice seeds enter the machine from the feed inlet 11, and the rice seeds pass through the winnowing device 2, the water sorting device 3, the drying chamber 4 and the screen sorting device 5 in sequence to remove impurities, separate inferior seeds and superior seeds, dry and discharge according to size intervals.
[0029] In combination Figures 2-7 As shown, the water sorting device 3 comprises: a main water tank 31 and a floating baffle 32, along the length direction of the main water tank 31, the first side and the second side of the main water tank 31 are oppositely arranged, the first side of the main water tank 31 is provided with an inferior seed port 313, the second side of the main water tank 31 is provided with a water inlet port 312, the water inlet port 312 and the inferior seed port 313 are close to the top of the main water tank 31, the first side of the main water tank 31 is provided with a superior seed port 314, the superior seed port 314 is close to the bottom of the main water tank 31, a floating baffle 32 capable of sliding up and down is arranged between the first side and the second side, a gap is left between the bottom of the floating baffle 32 and the bottom wall of the main water tank 31, the floating baffle 32 is vertically arranged and separates the main water tank 31 into an inferior seed area close to the first side and a sorting area close to the second side, the water outlet speed of the superior seed port 314 is less than the water injection speed of the water inlet port 312, so that the liquid level in the main water tank 31 continuously rises, the water in the main water tank 31 flows from the water inlet port 312 to the superior seed port 314, and the sorted rice seeds are injected into the sorting area and then move towards the inferior seed area along the water flow, wherein the full rice seeds sink and flow to the superior seed port 314 along the gap between the floating baffle 32 and the bottom wall of the main water tank 31, and the dry rice seeds float on the water surface and are blocked by the floating baffle 32;
[0030] The floating baffle 32 is connected with a driver for driving it to vertically move up and down, the driver is electrically connected with a floating ball switch 33 arranged in the interior of the main water tank 31, the floating ball switch 33 is used for detecting the liquid level in the main water tank 31, when the liquid level in the main water tank 31 is higher than the height of the inferior seed port 313, the driver drives the floating baffle 32 to descend, so that the dry rice seeds blocked by the floating baffle 32 move to the inferior seed area along the water flow and are finally discharged through the inferior seed port 313, the water injection speed of the water inlet port 312 is less than the water outlet speed of the superior seed port 314 and the inferior seed port 313, and when the liquid surface in the main water tank 31 is lower than the top end height of the floating baffle 32 after descending, the driver drives the floating baffle 32 to rise.
[0031] The second side of the main water tank 31 is provided with a backflow port 316, and the lower side of the main water tank 31 is provided with a backflow device 34. The water inside the main water tank 31 and the full seeds enter the backflow device 34 from the good seed port 314. The backflow device 34 separates the water and the seeds. The backflow device 34 delivers the seeds to the drying chamber 4 and collects the separated water. The backflow device 34 contains a water pump 343. The water pump 343 pumps the collected water to the backflow port 316 and re-enters the main water tank 31 from the backflow port 316.
[0032] The backflow device 34 includes a perforated conveyor belt 341, a secondary water tank 342, a water pump 343, and a water pipe 344. One end of the perforated conveyor belt 341 is located below the good seed port 314, and the other end of the perforated conveyor belt 341 is provided at the input end of the drying chamber 4. The perforated conveyor belt 341 is uniformly provided with a plurality of through holes on the belt surface. The secondary water tank 342 is provided below the perforated conveyor belt 341 and is used to collect the water separated from the full rice seeds. The sidewall of the secondary water tank 342 has a water suction port penetrating through it. The water suction port is connected to the input end of the water pump 343 through the water pipe 344. The output end of the water pump 343 is connected to the backflow port 316 through the water pipe 344.
[0033] The diameter of the through hole is smaller than the diameter of the rice seed.
[0034] The water suction port of the secondary water tank 342 is close to the bottom wall of the secondary water tank 342.
[0035] The first side of the main water tank 31 is provided with a partition plate 315. The partition plate 315 is located between the good seed port 314 and the poor seed port 313. The partition plate 315 is connected to the floating baffle 32. The partition plate 315 and the floating baffle 32 divide the main water tank 31 into a poor seed area close to the first side and a sorting area close to the second side. The poor seed port 313 is located in the poor seed area, and the good seed port 314 and the water inlet port 312 are located in the sorting area.
[0036] The partition plate 315 is used to reduce the vertical action of the water flow and prevent the seeds floating on the water surface in the poor seed area from being carried by the water flow to the good seed port 314.
[0037] The inner walls of the front and rear of the main water tank 31 are respectively provided with vertical grooves, and the two sides of the floating baffle 32 are respectively provided with extension ends matched with the grooves. The extension ends can freely slide vertically on the grooves.
[0038] The float switch 33 is arranged between the floating baffle 32 and the second side of the main water tank 31. The sensing end of the float switch 33 is located inside the main water tank 31.
[0039] In use, the unsorted rice seeds enter the air separation device 2 from the feeding port 1, the unsorted rice seeds are separated into rice seeds and impurities in the air separation device 2, the rice seeds enter the water separation device 3 from the output end of the air separation device 2, and the impurities are discharged out of the machine from the air separation device 2;
[0040] The rice seeds enter the main water tank 31 from the input end of the water separation device 3, the rice seeds are combined with water in the main water tank 31, the shriveled seeds float on the water surface, the full seeds sink to the bottom of the water, the seeds move along the water flow direction in the main water tank 31 to the inferior seed port 313 and the superior seed port 314, the seeds floating on the water surface are intercepted by the floating baffle 32, the seeds sinking to the bottom of the water enter the reflux device 34 from the superior seed port 314, when the liquid level in the main water tank 31 is higher than the height of the inferior seed port 313, the driver drives the floating baffle 32 to descend, and the seeds floating on the water surface flow out of the machine from the inferior seed port 313 along with the water flow, and when the liquid level in the main water tank 31 is lower than the height of the inferior seed port 313, the driver drives the floating baffle 32 to ascend to intercept the floating seeds;
[0041] The full seeds fall to the perforated conveying belt 341 from the superior seed port 314 along with the water flow, the water flow falls to the auxiliary water tank 342 below the perforated conveying belt 341 from the through holes on the perforated conveying belt 341, and the full seeds are conveyed to the input end of the drying chamber 4 by the perforated conveying belt 341, and the water stored in the auxiliary water tank 342 is returned to the main water tank 31 by the water pump 343.
[0042] After being dried by the drying chamber 4, the full seeds enter the sieve hole sorting device 5 from the output end of the drying chamber 4, the sieve hole sorting device 5 is a vibrating sieve with through holes and is arranged obliquely, the through holes on the vibrating sieve are sequentially arranged into different partitions from small to large according to the seed advancing direction, different discharge ports are arranged below each sorting, and the sorted seeds are discharged out of the machine from the discharge port corresponding to the partition.
[0043] The above embodiments are only exemplary embodiments of the utility model, and are not used for limiting the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and the modification or equivalent replacement is also regarded as falling within the protection scope of the utility model embodiments of the utility model.
Claims
1. A high-efficiency rice seed precision sorting machine, characterized in that, it comprises: a feeding port (1), an air sorting device (2), a water sorting device (3), a drying chamber (4), and a mesh sorting device (5); unsorted rice seeds enter the machine from the feeding port (1), and the rice seeds pass through the air sorting device (2) for impurity removal, the water sorting device (3) for separating inferior seeds from superior seeds, the drying chamber (4) for drying, and the mesh sorting device (5) for discharging the superior seeds according to their size intervals; the water sorting device (3) comprises: a main water tank (31) and a floating baffle (32), along the length direction of the main water tank (31), the first side and the second side of the main water tank (31) are oppositely arranged, the first side of the main water tank (31) is provided with an inferior seed port (313), the second side of the main water tank (31) is provided with a water injection port (312), the water injection port (312) and the inferior seed port (313) are close to the top of the main water tank (31), the first side of the main water tank (31) is provided with a superior seed port (314), the superior seed port (314) is close to the bottom of the main water tank (31), a floating baffle (32) capable of sliding up and down is arranged between the first side and the second side, a gap is left between the bottom of the floating baffle (32) and the bottom wall of the main water tank (31), the floating baffle (32) is vertically arranged and separates the main water tank (31) into an inferior seed area close to the first side and a sorting area close to the second side, the water outlet speed of the superior seed port (314) is less than the water injection speed of the water injection port (312), so that the liquid level in the main water tank (31) continuously rises, the water in the main water tank (31) flows from the water injection port (312) to the superior seed port (314), and the rice seeds to be sorted are injected into the sorting area and then move toward the inferior seed area along the water flow, wherein the full rice seeds sink and flow to the superior seed port (314) along the gap between the floating baffle (32) and the bottom wall of the main water tank (31), and the dry rice seeds float on the water surface and are blocked by the floating baffle (32); the floating baffle (32) is connected with a driver for driving it to vertically move up and down, the driver is electrically connected with a floating ball switch (33) arranged in the main water tank (31), the floating ball switch (33) is used for detecting the liquid level in the main water tank (31), when the liquid level in the main water tank (31) is higher than the height of the inferior seed port (313), the driver drives the floating baffle (32) to descend, so that the dry rice seeds blocked by the floating baffle (32) move to the inferior seed area along the water flow and are finally discharged through the inferior seed port (313), the water injection speed of the water injection port (312) is less than the sum of the water outlet speeds of the superior seed port (314) and the inferior seed port (313), and when the liquid surface in the main water tank (31) is lower than the top end height of the floating baffle (32) after descending, the driver drives the floating baffle (32) to rise.
2. The high-efficiency rice seed precision sorting machine according to claim 1, characterized in that, the second side of the main water tank (31) is provided with a backflow port (316), and the lower side of the main water tank (31) is provided with a backflow device (34); water and full seeds in the main water tank (31) enter the backflow device (34) from the good seed port (314); the backflow device (34) separates the water and the seeds; the backflow device (34) delivers the seeds to the drying chamber (4) and collects the separated water; the backflow device (34) contains a water pump (343); the water pump (343) pumps the collected water to the backflow port (316) and re-enters the main water tank (31) from the backflow port (316).
3. The high-efficiency rice seed precision sorting machine according to claim 2, characterized in that, the backflow device (34) comprises a perforated conveyor belt (341), a secondary water tank (342), the water pump (343), and a water pipe (344); one end of the perforated conveyor belt (341) is located below the good seed port (314), and the other end of the perforated conveyor belt (341) is arranged at the input end of the drying chamber (4); a plurality of through holes are uniformly arranged on the surface of the perforated conveyor belt (341); the secondary water tank (342) is arranged below the perforated conveyor belt (341); the secondary water tank (342) is used for collecting water separated from full rice seeds; the side wall of the secondary water tank (342) has a water suction port; the water suction port and the input end of the water pump (343) are connected through the water pipe (344); and the output end of the water pump (343) and the backflow port (316) are connected through the water pipe (344).
4. The high-efficiency rice seed precision sorting machine according to claim 3, characterized in that, the diameter of the through holes is smaller than the diameter of the rice seeds.
5. The high-efficiency rice seed precision sorting machine according to claim 3, characterized in that, the water suction port on the secondary water tank (342) is close to the bottom wall of the secondary water tank (342).
6. The high-efficiency rice seed precision sorting machine according to claim 1, characterized in that, the first side of the main water tank (31) is provided with a partition plate (315); the partition plate (315) is located between the good seed port (314) and the poor seed port (313); the partition plate (315) is connected with the floating baffle (32); and the partition plate (315) and the floating baffle (32) divide the main water tank (31) into a poor seed area close to the first side and a sorting area close to the second side; the poor seed port (313) is located in the poor seed area; and the good seed port (314) and the water injection port (312) are located in the sorting area.
7. The high-efficiency rice seed precision sorting machine according to claim 1, characterized in that, The inner wall of the main water tank (31) has vertical grooves, and the floating baffle (32) has extension ends matching the grooves.
8. The high-efficiency rice seed precision sorting machine according to claim 1, characterized in that, The float switch (33) is arranged between the floating baffle (32) and the second side of the main water tank (31), and the sensing end of the float switch (33) is located in the interior of the main water tank (31).