Wheat seed size grading screening breeding device
By designing a motor-driven conveyor shaft and eccentric wheel mechanism, combined with multi-layer sieve plates and a clearing device, the problem of insufficient screening in existing wheat seed screening devices has been solved, achieving full screening and anti-clogging of wheat seeds, and improving screening efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-20
AI Technical Summary
Existing wheat seed screening devices can only screen once, resulting in insufficient screening of high-quality wheat seeds and waste.
A wheat seed size grading and screening breeding device was designed. It adopts a motor-driven conveying shaft and eccentric wheel mechanism, combined with spring support and roller jacking to realize the vibration and conveying of the screening box. It is equipped with multi-layer sieve plates for multiple screenings, and a clearing shaft and clearing rod are used to prevent clogging.
This method enables thorough screening of wheat seeds, avoids waste of high-quality seeds, improves screening efficiency, and prevents blockage of the feed pipe.
Smart Images

Figure CN224010434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of wheat breeding screening equipment, and in particular to a wheat seed size grading screening and breeding device. BACKGROUND
[0002] Wheat is a common crop and a cereal crop widely planted all over the world. Wheat is one of the staple foods of human beings, can be made into bread, steamed buns, biscuits and noodles after being ground into flour, and can be made into beer, alcohol and baijiu (Chinese liquor) after being fermented. In order to improve the yield of wheat, breeding screening treatment needs to be performed before wheat planting. In order to screen out dry seeds and leave seeds with full grains, the wheat seeds need to be screened.
[0003] At present, a screening device for wheat seed breeding is disclosed in Chinese Patent No. CN220444371U. The screening device comprises a sieve frame located on a chassis. The chassis is provided with two groups, and the two groups of chassis are symmetrically arranged front and back. A reinforcing rod is fixed between the two chassis. The chassis is of a "U" type structure. The vertical end of the chassis is fixed with a first fixed plate on the upper side. The front and rear ends of the sieve frame are fixed with a second fixed plate. The screening device for wheat seed breeding is provided with a detachable and installable second sieve screen at the bottom of the first sieve screen. Since the size of the sieve holes of the second sieve screen is equal to that of the first sieve screen and the row distance is the same, the second sieve screen is installed in a staggered manner with the sieve holes of the first sieve screen. The purpose of adjusting the sieve holes is achieved. The trouble of frequently moving the wheat seeds to use different sieve hole screening machines is avoided. The labor intensity of the workers is reduced. The screening efficiency is improved. The purpose of screening different particle size wheat seeds is achieved. The application range is wider.
[0004] In actual use, it is found that the existing device can only screen the wheat seeds once when screening the wheat seeds, which leads to insufficient screening of the wheat seeds and cannot fully screen the good wheat seeds, thereby causing the problem of waste of good wheat seeds. Therefore, the present application provides a wheat seed size grading screening and breeding device to solve the above problems. Content of the utility model
[0005] The purpose of the present application is to solve the problem of insufficient screening of good wheat seeds and waste of good wheat seeds in the prior art. A wheat seed size grading screening and breeding device is provided.
[0006] In order to achieve the above purpose, the following technical solutions are adopted in the present application:
[0007] The utility model provides a wheat seed size grading screening breeding device, including bottom box, the left side fixed mounting of function box of bottom box, the top of bottom box is provided with wheat seed screening box, the left side of wheat seed screening box and the right side of function box slide connection, the top of wheat seed screening box is provided with storage bin, the left side of storage bin and the right side of function box fixed connection, the bottom of wheat seed screening box is provided with the down -spout, the top of bottom box is provided with the mouth, the mouth and down -spout are matched, and the support mechanism is arranged between bottom box and wheat seed screening box, the top of bottom box is fixedly installed with fixed plate, and the dredging mechanism is arranged between fixed plate and function box, the inside of wheat seed screening box is provided with screening mechanism, and the conveying mechanism is arranged between motor and function box, the top of wheat seed screening box is provided with the pipe hole, the bottom of storage bin is provided with the feed pipe, the feed pipe and the pipe hole slide connection, the bottom of wheat seed screening box is provided with the top -driven mechanism, the left side of function box is provided with the discharge pipe, and the feeding pipe is arranged between function box and storage bin.
[0008] Preferably, the support mechanism includes a telescopic rod and a spring, the top of the bottom box is fixedly installed with the telescopic rod, the top end of the telescopic rod is fixedly connected with the bottom of the wheat seed screening box, the fixed plate is located between the corresponding telescopic rod and the mouth, the spring is sleeved on the telescopic rod, and the two ends of the spring are fixedly connected with the bottom of the wheat seed screening box and the top of the bottom box respectively.
[0009] Preferably, the dredging mechanism includes a dredging shaft, a rod seat and a dredging rod, the left side of the fixed plate is rotatably installed with the dredging shaft, the left end of the dredging shaft extends into the function box, the same baffle is fixedly installed on the inner walls of the two sides of the function box, the baffle is located between the dredging shaft and the discharge pipe, the rod seat is fixedly installed on the dredging shaft, the rod seat is located in the down -spout, and the dredging rod is arranged on the rod seat.
[0010] Preferably, the top -driven mechanism includes a wheel seat and a roller, the bottom of the wheat seed screening box is fixedly installed with the wheel seat, the wheel seat is located on the outer side of the down -spout, the roller is rotatably installed on the wheel seat, the eccentric wheel is fixedly sleeved on the dredging shaft, the eccentric wheel is located on the outer side of the down -spout, and the eccentric wheel is matched with the corresponding roller.
[0011] Preferably, the conveying mechanism includes a conveying shaft and a spiral blade, the output shaft of the motor is fixedly installed with the conveying shaft, the top end of the conveying shaft is rotatably connected with the top inner wall of the function box, the spiral blade is arranged on the conveying shaft, the spiral blade is located above the baffle, and the tooth mechanism is arranged between the conveying shaft and the dredging shaft.
[0012] Preferably, the screening mechanism includes a first sieve plate and a second sieve plate, the first sieve plate and the second sieve plate are arranged in the wheat seed screening box, and the first sieve plate is located above the second sieve plate.
[0013] Preferably, the tooth mechanism includes two bevel gears, the bevel gears are fixedly sleeved on the conveying shaft and the left end of the dredging shaft respectively, the bevel gears are located below the baffle, and the two bevel gears are engaged.
[0014] Preferably, the right side of the wheat seed screening box is provided with a first discharge port, and the right side of the bottom box is provided with a second discharge port, and the first discharge port is located between the first sieve plate and the second sieve plate.
[0015] Preferably, the movable holes are formed on both sides of the discharge pipe, and the blocking cloth is fixedly connected to the top inner wall and the bottom inner wall of the movable holes.
[0016] Preferably, the right side of the function box is provided with a sliding hole, and the left side of the wheat seed screening box is provided with a screening pipe which is in sliding connection with the sliding hole.
[0017] The beneficial effects of the present application are as follows:
[0018] Through the cooperation of the motor, the conveying shaft, the bevel gear, the dredging shaft, the eccentric wheel, the wheel seat and the roller, the motor can drive the eccentric wheel to rotate, the roller can be pushed by the eccentric wheel, and through the cooperation of the spring, the wheat seed screening box can vibrate up and down, the first sieve plate and the second sieve plate can vibrate up and down, and the purpose of preliminary screening of the wheat seeds by the first sieve plate and the second sieve plate can be achieved.
[0019] Through the cooperation of the conveying shaft and the spiral blade, the motor can drive the spiral blade to rotate, the wheat seeds in the function box can be conveyed upward by the spiral blade, the screened wheat seeds can be re-conveyed to the storage box through the feeding pipe, the screened wheat seeds can be screened again, the purpose of fully screening the wheat seeds can be achieved, and the purpose of avoiding waste of good wheat seeds can be achieved.
[0020] Through the cooperation of the dredging shaft, the rod seat and the dredging rod, the dredging shaft can drive the dredging rod to rotate, the small seeds and impurities in the discharge pipe can be continuously stirred by the dredging rod, and the purpose of avoiding blockage of the discharge pipe can be achieved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 A perspective structural schematic view of a wheat seed size grading and screening breeding device is provided.
[0022] Figure 2 A front view cross-sectional structural schematic view of a wheat seed size grading and screening breeding device is provided.
[0023] Figure 3 A perspective structural schematic view of a tooth mechanism, a conveying mechanism and a dredging mechanism of a wheat seed size grading and screening breeding device is provided.
[0024] Figure 4A top drive mechanism of a wheat seed size grading screening and breeding device proposed in the application is shown in the stereoscopic structure diagram;
[0025] Figure 5 A structure diagram of part A of a wheat seed size grading screening and breeding device proposed in the application is shown.
[0026] In the figure: 1, bottom box; 2, function box; 3, wheat seed screening box; 4, storage box; 5, telescopic rod; 6, spring; 7, first sieve plate; 8, second sieve plate; 9, motor; 10, discharging pipe; 11, dredging shaft; 12, eccentric wheel; 13, wheel seat; 14, roller; 15, rod seat; 16, dredging rod; 17, conveying shaft; 18, spiral blade; 19, bevel gear; 20, pipe hole; 21, feeding pipe; 22, sliding hole; 23, screening pipe; 24, discharging pipe; 25, first discharge port; 26, second discharge port; 27, feeding pipe. DETAILED DESCRIPTION
[0027] The technical solutions of the application will be described below in detail with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the application, not all the embodiments. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.
[0028] Reference Figures 1-5 A wheat seed size grading screening and breeding device, comprising a bottom box 1, a function box 2 fixedly installed on the left side of the bottom box 1, a wheat seed screening box 3 arranged above the bottom box 1, the wheat seed screening box 3 being slidably connected with the right side of the function box 2, a storage box 4 arranged above the wheat seed screening box 3 and fixedly connected with the right side of the function box 2, a discharging pipe 10 arranged at the bottom of the wheat seed screening box 3, a through opening formed in the top of the bottom box 1 and matched with the discharging pipe 10, a supporting mechanism arranged between the bottom box 1 and the wheat seed screening box 3, a fixed plate fixedly installed on the top of the bottom box 1 and a dredging mechanism arranged between the fixed plate and the function box 2; a screening mechanism arranged in the wheat seed screening box 3, a conveying mechanism arranged between the motor 9 and the function box 2, a pipe hole 20 formed in the top of the wheat seed screening box 3, a feeding pipe 21 arranged at the bottom of the storage box 4 and slidably connected with the pipe hole 20, a top drive mechanism arranged at the bottom of the wheat seed screening box 3, a discharging pipe 24 arranged on the left side of the function box 2, and a feeding pipe 27 arranged between the function box 2 and the storage box 4.
[0029] In the embodiment, the supporting mechanism includes the telescopic rod 5 and the spring 6, the telescopic rod 5 is fixedly installed on the top of the bottom box 1, the top end of the telescopic rod 5 is fixedly connected with the bottom of the wheat seed screening box 3, the fixed plate is located between the corresponding telescopic rod 5 and the through hole, the spring 6 is sleeved on the telescopic rod 5, and the two ends of the spring 6 are fixedly connected with the bottom of the wheat seed screening box 3 and the top of the bottom box 1 respectively. By arranging the supporting mechanism, the telescopic rod 5 and the spring 6 can support the wheat seed screening box 3, and the purpose of buffering vibration can be achieved.
[0030] In the embodiment, the dredging mechanism includes the dredging shaft 11, the rod seat 15 and the dredging rod 16, the dredging shaft 11 is rotatably installed on the left side of the fixed plate, the left end of the dredging shaft 11 extends into the function box 2, the same partition plate is fixedly installed on the inner walls on the two sides of the function box 2, the partition plate is located between the dredging shaft 11 and the discharge pipe 24, the rod seat 15 is fixedly installed on the dredging shaft 11, the rod seat 15 is located in the discharging pipe 10, the dredging rod 16 is arranged on the rod seat 15. By arranging the dredging mechanism, the dredging shaft 11 can drive the dredging rod 16 to rotate, the smaller seeds and impurities in the discharging pipe 10 can be continuously stirred by the dredging rod 16, and the purpose of avoiding the discharging pipe from being blocked can be achieved.
[0031] In the embodiment, the jacking mechanism includes the wheel seat 13 and the roller 14, the wheel seat 13 is fixedly installed on the bottom of the wheat seed screening box 3, the wheel seat 13 is located outside the discharging pipe 10, the roller 14 is rotatably installed on the wheel seat 13, the eccentric wheel 12 is fixedly sleeved on the dredging shaft 11, the eccentric wheel 12 is located outside the discharging pipe 10, the eccentric wheel 12 is matched with the corresponding roller 14. By arranging the jacking mechanism, the eccentric wheel 12 can jack up the wheat seed screening box 3 through the roller 14 and the wheel seat 13, and the purpose of continuously vibrating the wheat seed screening box 3 can be achieved.
[0032] In the embodiment, the conveying mechanism includes the conveying shaft 17 and the spiral blade 18, the conveying shaft 17 is fixedly installed on the output shaft of the motor 9, the top end of the conveying shaft 17 is rotatably connected with the top inner wall of the function box 2, the spiral blade 18 is arranged on the conveying shaft 17, the spiral blade 18 is located above the partition plate, the gear mechanism is arranged between the conveying shaft 17 and the dredging shaft 11. By arranging the conveying mechanism, the motor 9 can drive the spiral blade 18 to rotate, the wheat seeds in the function box 2 can be conveyed upward through the spiral blade 18, and the purpose of conveying the wheat seeds to the storage box 4 through the feeding pipe 27 can be achieved.
[0033] In the embodiment, the screening mechanism includes the first sieve plate 7 and the second sieve plate 8, the first sieve plate 7 and the second sieve plate 8 are arranged in the wheat seed screening box 3, the first sieve plate 7 is located above the second sieve plate 8. By arranging the screening mechanism, the first sieve plate 7 can screen the good seeds, and the second sieve plate 8 can screen the smaller seeds and impurities in the good seeds.
[0034] In the embodiment, the gear mechanism comprises two bevel gears 19, the bevel gears 19 are fixedly sleeved on the conveying shaft 17 and the left end of the dredging shaft 11, the bevel gears 19 are located below the partition plate, the two bevel gears 19 are engaged, and the gear mechanism is arranged, so that the conveying shaft 17 can drive the dredging shaft 11 to rotate.
[0035] In the embodiment, the first discharge port 25 is arranged on the right side of the wheat seed screening box 3, and the second discharge port 26 is arranged on the right side of the bottom box 1, the first discharge port 25 is located between the first sieve plate 7 and the second sieve plate 8, and the first discharge port 25 and the second discharge port are arranged, so that the good seeds can be discharged through the first discharge port 25, and the smaller seeds and impurities can be discharged through the second discharge port 26.
[0036] In the embodiment, the movable holes are arranged on the two sides of the discharging pipe 10, the shielding cloth is fixedly sleeved on the dredging shaft 11, and the top end and the bottom end of the shielding cloth are fixedly connected with the top inner wall and the bottom inner wall of the movable holes, respectively, the movable holes and the shielding cloth are arranged, so that the discharging pipe 10 can not be affected by the dredging shaft 11 when moving up and down, and the movable holes can be sealed by the shielding cloth.
[0037] In the embodiment, the slide hole 22 is arranged on the right side of the function box 2, the screening pipe 23 is arranged on the left side of the wheat seed screening box 3, the screening pipe 23 is slidably connected with the slide hole 22, and the screening pipe 23 is arranged, so that the wheat seeds screened initially can enter into the function box 2 through the screening pipe 23.
[0038] In the application, during work, firstly, the wheat seeds are put into the storage box 4, and the wheat seeds can enter into the wheat seed screening box 3 through the feeding pipe 21. By starting the motor 9, the motor 9 can drive the conveying shaft 17 to rotate, can drive the dredging shaft 11 to rotate through the two bevel gears 19, can drive the eccentric wheel 12 to rotate, the eccentric wheel 12 can interact with the rollers 14 on the wheel seat 13 at the bottom of the wheat seed screening box 3, and can make the wheat seed screening box 3 vibrate up and down by the elastic force of the spring 6, can drive the first sieve plate 7 and the second sieve plate 8 to vibrate up and down, can realize the purpose of preliminarily screening the wheat seeds through the first sieve plate 7, and the qualified wheat seeds after screening can fall onto the second sieve plate 8 and be discharged from the first discharge port 25. The unqualified wheat seeds enter into the function box 2 through the screening pipe 23, since the conveying shaft 17 can drive the spiral blade 18 to rotate at the same time, the spiral blade 18 can realize the purpose of upward conveying the wheat seeds in the function box 2, can re-convey the wheat seeds to the storage box 4 through the feeding pipe 27, can realize the purpose of twice screening the screened wheat seeds, can realize the purpose of fully screening the wheat seeds, and can realize the purpose of avoiding waste of the qualified wheat seeds. Meanwhile, the second sieve plate 8 screens the small seeds and impurities in the qualified wheat seeds, the small seeds and impurities can enter into the bottom box 1 through the discharging pipe 10, the dredging shaft 11 can drive the rod seat 15 and the dredging rod 16 to rotate, can realize the purpose of continuously stirring the small seeds and impurities in the discharging pipe 10 through the dredging rod 16, and can realize the purpose of avoiding the discharging pipe from being blocked.
Claims
1. A wheat seed size grading and screening breeding device, characterized in that, Includes a base box (1), a functional box (2) fixedly installed on the left side of the base box (1), a wheat seed screening box (3) set above the base box (1), the left side of the wheat seed screening box (3) is slidably connected to the right side of the functional box (2), a storage box (4) set above the wheat seed screening box (3), the left side of the storage box (4) is fixedly connected to the right side of the functional box (2), a discharge pipe (10) is set at the bottom of the wheat seed screening box (3), an opening is opened at the top of the base box (1), the opening is adapted to the discharge pipe (10), a support mechanism is set between the base box (1) and the wheat seed screening box (3), a fixing plate is fixedly installed at the top of the base box (1), and a dredging mechanism is set between the fixing plate and the functional box (2); The wheat seed screening box (3) is equipped with a screening mechanism; A conveying mechanism is provided between the motor (9) and the functional box (2); The wheat seed screening box (3) has a pipe hole (20) at the top, and the storage box (4) has a feed pipe (21) at the bottom. The feed pipe (21) is slidably connected to the pipe hole (20). The wheat seed screening box (3) has a jacking mechanism at the bottom. The functional box (2) has a discharge pipe (24) on the left side. The functional box (2) and the storage box (4) have a feeding pipe (27).
2. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The support mechanism includes a telescopic rod (5) and a spring (6). The telescopic rod (5) is fixedly installed on the top of the bottom box (1). The top end of the telescopic rod (5) is fixedly connected to the bottom of the wheat seed screening box (3). The fixing plate is located between the corresponding telescopic rod (5) and the opening. The spring (6) is sleeved on the telescopic rod (5). The two ends of the spring (6) are fixedly connected to the bottom of the wheat seed screening box (3) and the top of the bottom box (1), respectively.
3. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The unblocking mechanism includes an unblocking shaft (11), a rod seat (15), and an unblocking rod (16). The unblocking shaft (11) is rotatably installed on the left side of the fixed plate. The left end of the unblocking shaft (11) extends into the functional box (2). The same partition is fixedly installed on the inner walls of both sides of the functional box (2). The partition is located between the unblocking shaft (11) and the discharge pipe (24). The rod seat (15) is fixedly installed on the unblocking shaft (11). The rod seat (15) is located inside the discharge pipe (10). The unblocking rod (16) is provided on the rod seat (15).
4. The wheat seed size grading and screening breeding device according to claim 3, characterized in that, The jacking mechanism includes a wheel seat (13) and a roller (14). The bottom of the wheat seed screening box (3) is fixedly installed with a wheel seat (13). The wheel seat (13) is located outside the feed pipe (10). The roller (14) is rotatably installed on the wheel seat (13). An eccentric wheel (12) is fixedly sleeved on the unblocking shaft (11). The eccentric wheel (12) is located outside the feed pipe (10). The eccentric wheel (12) is adapted to the corresponding roller (14).
5. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The conveying mechanism includes a conveying shaft (17) and a spiral blade (18). The conveying shaft (17) is fixedly installed on the output shaft of the motor (9). The top end of the conveying shaft (17) is rotatably connected to the inner wall of the top of the functional box (2). The spiral blade (18) is provided on the conveying shaft (17). The spiral blade (18) is located above the partition. A gear mechanism is provided between the conveying shaft (17) and the unblocking shaft (11).
6. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The screening mechanism includes a first sieve plate (7) and a second sieve plate (8). The wheat seed screening box (3) is equipped with a first sieve plate (7) and a second sieve plate (8), with the first sieve plate (7) located above the second sieve plate (8).
7. The wheat seed size grading and screening breeding device according to claim 5, characterized in that, The gear mechanism includes two bevel gears (19). The conveying shaft (17) and the left end of the unblocking shaft (11) are both fixedly fitted with bevel gears (19). The bevel gears (19) are located below the partition plate, and the two bevel gears (19) mesh with each other.
8. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The wheat seed screening box (3) has a first discharge port (25) on the right side and the bottom box (1) has a second discharge port (26) on the right side. The first discharge port (25) is located between the first sieve plate (7) and the second sieve plate (8).
9. The wheat seed size grading and screening breeding device according to claim 3, characterized in that, The feed pipe (10) has movable holes on both sides, and a shielding cloth is fixedly sleeved on the unblocking shaft (11). The top and bottom ends of the shielding cloth are fixedly connected to the inner wall of the top and bottom of the movable hole, respectively.
10. The wheat seed size grading and screening breeding device according to claim 1, characterized in that, The functional box (2) has a sliding hole (22) on the right side, and the wheat seed screening box (3) has a screening tube (23) on the left side, and the screening tube (23) is slidably connected to the sliding hole (22).
Citation Information
Patent Citations
Screening device for wheat seed breeding
CN220444371U