Multi-stage air screen seed cleaning device
By designing a multi-stage air screen seed cleaning device and using air screen components and vibration components for multi-stage screening, the problem of difficulty in removing impurities such as sand particles of similar size to seeds in the prior art is solved, and more efficient seed screening and purity guarantee is achieved.
Patent Information
- Application Number
- CN202421200696.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing seed screening method is difficult to effectively remove impurities such as sand particles of similar size to the seeds, resulting in imperfect screening and affecting the purity of the seeds.
A multi-stage air sieve seed cleaning device is designed, including a box, a shock absorbing assembly, a discharge assembly, a vibration assembly, a first screening assembly and a second screening assembly. The negative pressure inhalation of light hybrid seeds is generated through the air sieve assembly, and the multi-stage screening is performed using the vibration assembly and the screening assembly.
It effectively improves the seed screening effect, ensures seed purity, and completely removes impurities through multi-stage screening.
Smart Images
Figure CN222642566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of seed cleaning, in particular to a multi-stage wind screen seed cleaning device. Background Art
[0002] After seeds are harvested, they are often mixed with other crop seeds, weed seeds, sand, dust and other debris. In addition, the harvested seeds include incomplete grains, broken grains, insect-eaten grains, etc. In order to ensure the sowing quality of seeds, it is often necessary to screen the seeds.
[0003] Existing screening methods mostly use the suction generated by fans to remove light impurities or diseased seeds from good seeds. However, if the sand in the seeds is as large as the seeds or has a diameter larger than the seeds, it is difficult to separate them using suction alone, which leads to incomplete screening and is not conducive to ensuring the purity of the seeds. Utility Model Content
[0004] The utility model aims to provide a multi-stage wind screen seed cleaning device, which can effectively improve the seed screening effect and ensure the purity of the seeds.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage wind screen seed cleaning device, comprising a box body, a shock absorbing assembly is fixedly connected to the edge of the bottom wall of the box body, a discharging assembly is fixedly connected to the upper surface of the shock absorbing assembly, a vibration assembly is fixedly installed in the middle of the lower surface of the discharging assembly, a first screening assembly is fixedly connected to the upper surface of the discharging assembly, a second screening assembly is fixedly connected to the upper surface of the first screening assembly, an air exhaust port is opened in the middle of the upper surface of the box body, and a wind screen assembly is connected to the air exhaust port;
[0006] The wind screen assembly includes an arc-shaped cover arranged on the upper side of the exhaust port, a driving motor is fixedly installed on the left side of the arc-shaped cover, an output end of the driving motor is splined with a first transmission rod, one end of the first transmission rod is fixedly connected with a rotating rod, a middle part of the outer surface of the rotating rod is fixedly connected with a fan blade, a support frame is fixedly installed on the right side of the arc-shaped cover, the rotating rod rotates through the support frame, and an exhaust fan is fixedly connected to the end thereof.
[0007] Preferably, the shock absorbing assembly includes a first shock absorbing pad, which is fixedly connected to the edge of the bottom wall of the box body, the upper surface of the first shock absorbing pad is fixedly connected to a damper, the upper surface of the damper is fixedly connected to a second shock absorbing pad, and the outer surface of the damper is sleeved with a spring.
[0008] Preferably, the discharging assembly includes a leveling plate, the edge of the lower surface of the leveling plate is fixedly connected to the upper surface of the second shock-absorbing pad, the upper side surface of the leveling plate is provided with an inclined surface inclined toward the front side, the upper inclined surface of the leveling plate is fixedly connected to a discharging plate, the left and right sides of the upper surface of the discharging plate are fixedly connected with a triangular first support plate, and the front side of the box body is provided with a first discharge port corresponding to the discharging plate.
[0009] Preferably, the vibration assembly includes a dual-axis motor, the upper surface of the dual-axis motor is fixedly mounted on the middle of the lower surface of the leveling plate, the output end of the dual-axis motor is spline-connected to a second transmission rod, and one end of the second transmission rod is fixedly connected to an eccentric weight.
[0010] Preferably, the first screening assembly includes a first fixed frame, the lower surface of which is fixedly connected to the upper surface of the first support plate, the first fixed frame is inclined toward the rear, and a second discharge port corresponding to the first fixed frame is provided on the rear side of the box body; and a first screen is fixedly connected to the interior of the first fixed frame, and second support plates are fixedly connected to the left and right sides of the upper surface of the first fixed frame.
[0011] Preferably, the second screening assembly includes a collecting box, the lower surface of which is fixedly connected to the upper surface of the second support plate, the collecting box is inclined toward the front, and the front side of the collecting box is fixedly connected with a discharge pipe extending to the outside of the box body, the upper surface of the collecting box is fixedly connected with a second fixed frame, the interior of the second fixed frame is fixedly connected with a second screen, and a channel for allowing seeds to fall onto the first screen is left between the second fixed frame and the inner wall of the front side of the box body.
[0012] Preferably, a square groove is provided on one side of the upper surface of the box body, and a feed hopper is fixedly connected to the edge of the upper surface of the box body near the square groove.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model uses an air screen component to start a driving motor connected to an external power supply, drives the rotating rod to rotate through the first transmission rod, and the fan blades rotate accordingly, so that negative pressure is generated inside the arc cover, and light impurities or diseased seeds are sucked into the arc cover through the exhaust port provided below the arc cover, and then discharged from the support frame under the action of pressure, and the fan is rotated to ensure that the impurities inside the arc cover are discharged smoothly. Through the setting of the shock-absorbing component and the vibration component, the external power supply starts the double-axis motor, and drives the eccentric hammer to rotate through the second transmission rod, so that the shock-absorbing component vibrates up and down, which is convenient for the first screen and the second screen to screen the seeds. Through the setting of the first screening component and the second screening component, the seeds fall above the second screen, and the fine impurities then fall into the collection box and are discharged by the discharge pipe. The seeds slide to the top of the first screen and fall to the top of the discharge plate through the first screen. The larger impurities slide out along the inclined direction of the first screen, thereby completing multi-stage screening, which is conducive to making the screening more perfect, thereby ensuring the purity of the seeds. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the shock absorbing component of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the vibration component of the utility model;
[0019] Figure 5 This is a schematic diagram of the structure of the wind screen assembly of the utility model.
[0020] In the figure: 1. box body; 2. shock absorbing assembly; 201. first shock absorbing pad; 202. damper; 203. second shock absorbing pad; 204. spring; 3. discharging assembly; 301. leveling plate; 302. discharging plate; 303. first support plate; 4. vibration assembly; 401. double-axis motor; 402. second transmission rod; 403. eccentric hammer; 5. first screening assembly; 501. first fixed frame; 502. first screen; 503. second support plate; 6. second screening assembly; 601. collecting box; 602. discharge pipe; 603. second fixed frame; 604. second screen; 7. wind screen assembly; 701. arc cover; 702. driving motor; 703. first transmission rod; 704. rotating rod; 705. fan blade; 706. support frame; 707. induced fan; 8. feed hopper. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example 1
[0023] See also Figure 1-5 , a multi-stage wind screen seed cleaning device is shown in the figure, comprising a box body 1, a shock absorbing component 2 is fixedly connected to the edge of the bottom wall of the box body 1, a discharging component 3 is fixedly connected to the upper surface of the shock absorbing component 2, a vibration component 4 is fixedly installed in the middle of the lower surface of the discharging component 3, a first screening component 5 is fixedly connected to the upper surface of the discharging component 3, a second screening component 6 is fixedly connected to the upper surface of the first screening component 5, an air exhaust port is opened in the middle of the upper surface of the box body 1, and a wind screen component 7 is connected to the air exhaust port;
[0024] The wind screen assembly 7 includes an arc-shaped cover 701 arranged on the upper side of the exhaust port, a driving motor 702 is fixedly installed on the left side of the arc-shaped cover 701, an output end of the driving motor 702 is spline-connected with a first transmission rod 703, one end of the first transmission rod 703 is fixedly connected with a rotating rod 704, a fan blade 705 is fixedly connected to the middle part of the outer surface of the rotating rod 704, a supporting frame 706 is fixedly installed on the right side of the arc-shaped cover 701, the rotating rod 704 rotates and passes through the supporting frame 706, and an exhaust fan 707 is fixedly connected to its end.
[0025] In this embodiment: an external power supply starts the driving motor 702, which drives the rotating rod 704 to rotate through the first transmission rod 703, and the fan blades 705 rotate accordingly, thereby generating negative pressure inside the arc cover 701, and sucking light impurities or diseased seeds into the arc cover 701 through the exhaust port opened below the arc cover 701, and then discharged from the support frame 706 under the action of pressure, and the fan 707 rotates to ensure that the impurities inside the arc cover 701 are discharged smoothly.
[0026] See also Figure 2 and Figure 3 In the figure, the shock absorbing assembly 2 includes a first shock absorbing pad 201, which is fixedly connected to the edge of the inner bottom wall of the box body 1, and a damper 202 is fixedly connected to the upper surface of the first shock absorbing pad 201, and a second shock absorbing pad 203 is fixedly connected to the upper surface of the damper 202, and a spring 204 is sleeved on the outer surface of the damper 202.
[0027] In this embodiment: the spring 204 moves up and down under the action of the vibration component 4, the damper 202 prevents the spring 204 from bending and causing it to be unable to vibrate up and down normally, the first shock-absorbing pad 201 and the second shock-absorbing pad 203 reduce the occurrence of noise, thereby facilitating the up and down movement of the first screening component 5 and the second screening component 6.
[0028] Working principle: First, the seeds to be screened are poured into the box body 1 through the feed hopper 8. Then, the external power supply starts the double-axis motor 401, and the eccentric hammer 403 is driven to rotate through the second transmission rod 402, so that the shock absorbing component 2 vibrates up and down. Secondly, the external power supply starts the driving motor 702 at the same time, and the rotating rod 704 is driven to rotate through the first transmission rod 703, and the fan blade 705 rotates accordingly, so that negative pressure is generated inside the arc cover 701, and the light impurities or diseased seeds are sucked into the arc cover 701 through the exhaust port opened below the arc cover 701. Then, under the action of pressure, it is discharged from the support frame 706, and the induced fan 707 rotates to ensure that the impurities inside the arc cover 701 are discharged smoothly. Finally, the seeds fall above the second screen 604, and the fine impurities then fall into the collection box 601 and are discharged from the discharge pipe 602. Then, the seeds slide to above the first screen 502, and fall to above the discharge plate 302 through the first screen 502, and slide out from the first discharge port along the inclination direction of the discharge plate 302, and the larger impurities slide out from the second discharge port along the inclination direction of the first screen 502.
[0029] Example 2
[0030] See also Figure 1 , Figure 2 and Figure 3 The present embodiment further explains Example 1. The discharging assembly 3 shown in the figure includes a leveling plate 301. The edge of the lower surface of the leveling plate 301 is fixedly connected to the upper surface of the second shock-absorbing pad 203. The upper side surface of the leveling plate 301 is provided with an inclined surface inclined toward the front side. The upper inclined surface of the leveling plate 301 is fixedly connected to a discharging plate 302. The left and right sides of the upper surface of the discharging plate 302 are fixedly connected with a triangular first support plate 303. The front side of the box body 1 is provided with a first discharging port corresponding to the discharging plate 302.
[0031] In this embodiment, after the qualified seeds after screening fall onto the top of the discharge plate 302, they slide out along the inclined direction of the discharge plate 302 to facilitate discharge.
[0032] See also Figure 3 and Figure 4 In the figure, the vibration component 4 includes a dual-axis motor 401, the upper surface of the dual-axis motor 401 is fixedly installed in the middle of the lower surface of the leveling plate 301, the output end of the dual-axis motor 401 is spline-connected with a second transmission rod 402, and one end of the second transmission rod 402 is fixedly connected with an eccentric weight 403.
[0033] In this embodiment: an external power supply starts the dual-axis motor 401, which drives the eccentric hammer 403 to rotate through the second transmission rod 402, so that the shock absorbing assembly 2 vibrates up and down, making it easier for the first screen 502 and the second screen 604 to screen the seeds.
[0034] See also Figure 2 and Figure 3 In the figure, the first screening component 5 includes a first fixed frame 501, the lower surface of the first fixed frame 501 is fixedly connected to the upper surface of the first support plate 303, the first fixed frame 501 is inclined toward the rear side, and the rear side of the box body 1 is provided with a second discharge port corresponding to the first fixed frame 501; and the first fixed frame 501 is fixedly connected to the inside of the first fixed frame 501, and the left and right sides of the upper surface of the first fixed frame 501 are fixedly connected to the second support plate 503.
[0035] In this embodiment: the seeds slide to the top of the first sieve 502, and fall to the top of the discharge plate 302 through the first sieve 502. The larger impurities slide out along the inclined direction of the first sieve 502, and the seeds are further screened, thereby completing multi-stage screening, which is conducive to making the screening more perfect, thereby ensuring the purity of the seeds.
[0036] Example 3
[0037] See also Figure 1 , Figure 2 and Figure 3 In the figure, the second screening assembly 6 includes a collecting box 601, the lower surface of which is fixedly connected to the upper surface of the second support plate 503, the collecting box 601 is inclined forward, and the front side of the collecting box 601 is fixedly connected with a discharge pipe 602 extending to the outside of the box body 1, the upper surface of the collecting box 601 is fixedly connected with a second fixed frame 603, the interior of the second fixed frame 603 is fixedly connected with a second screen 604, and a channel is left between the second fixed frame 603 and the front inner wall of the box body 1 for allowing seeds to fall onto the first screen 502.
[0038] In this embodiment, the seeds fall onto the second screen 604, and the fine impurities then fall into the collecting box 601 and are discharged from the discharge pipe 602, thereby completing the seed screening.
[0039] See also Figure 1 and Figure 2 In the figure, a square groove is opened on one side of the upper surface of the box body 1, and a feed hopper 8 is fixedly connected to the edge of the upper surface of the box body 1 near the square groove.
[0040] In this embodiment: the feed hopper 8 facilitates the seeds to enter the interior of the box body 1, the first discharge port facilitates the discharge of the screened seeds, and the second discharge port facilitates the discharge of larger impurities.
[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.
[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multi-stage wind screen seed cleaning device, characterized in that: The invention comprises a box body (1), a shock absorbing component (2) is fixedly connected to the edge of the inner bottom wall of the box body (1), a discharging component (3) is fixedly connected to the upper surface of the shock absorbing component (2), a vibration component (4) is fixedly installed in the middle of the lower surface of the discharging component (3), a first screening component (5) is fixedly connected to the upper surface of the discharging component (3), a second screening component (6) is fixedly connected to the upper surface of the first screening component (5), and an air exhaust port is opened in the middle of the upper surface of the box body (1), and an air screen component (7) is connected to the air exhaust port; The wind screen assembly (7) comprises an arc-shaped cover (701) which is arranged on the upper side of the air outlet, a driving motor (702) is fixedly installed on the left side of the arc-shaped cover (701), an output end of the driving motor (702) is spline-connected to a first transmission rod (703), one end of the first transmission rod (703) is fixedly connected to a rotating rod (704), a fan blade (705) is fixedly connected to the middle part of the outer surface of the rotating rod (704), a supporting frame (706) is fixedly installed on the right side of the arc-shaped cover (701), the rotating rod (704) rotates and passes through the supporting frame (706), and an exhaust fan (707) is fixedly connected to the end thereof.
2. A multi-stage wind screen seed cleaning device according to claim 1, characterized in that: The shock absorbing assembly (2) comprises a first shock absorbing pad (201), the first shock absorbing pad (201) being fixedly connected to the edge of the inner bottom wall of the box body (1), the upper surface of the first shock absorbing pad (201) being fixedly connected to a damper (202), the upper surface of the damper (202) being fixedly connected to a second shock absorbing pad (203), and the outer surface of the damper (202) being sleeved with a spring (204).
3. A multi-stage wind screen seed cleaning device according to claim 2, characterized in that: The discharge assembly (3) comprises a leveling plate (301), the edge of the lower surface of the leveling plate (301) is fixedly connected to the upper surface of the second shock-absorbing pad (203), the upper side surface of the leveling plate (301) is provided with an inclined surface inclined toward the front side, the upper inclined surface of the leveling plate (301) is fixedly connected to a discharge plate (302), the left and right sides of the upper surface of the discharge plate (302) are fixedly connected to a triangular first support plate (303), and the front side of the box body (1) is provided with a first discharge port corresponding to the discharge plate (302).
4. A multi-stage wind screen seed cleaning device according to claim 3, characterized in that: The vibration assembly (4) comprises a dual-axis motor (401), the upper surface of the dual-axis motor (401) is fixedly mounted on the middle part of the lower surface of the leveling plate (301), the output end of the dual-axis motor (401) is spline-connected to a second transmission rod (402), and one end of the second transmission rod (402) is fixedly connected to an eccentric weight (403).
5. The multi-stage wind screen seed cleaning device according to claim 3, characterized in that: The first screening assembly (5) comprises a first fixed frame (501), the lower surface of the first fixed frame (501) is fixedly connected to the upper surface of the first support plate (303), the first fixed frame (501) is inclined toward the rear side, and the rear side of the box body (1) is provided with a second discharge port corresponding to the first fixed frame (501); and the first screen (502) is fixedly connected inside the first fixed frame (501), and the left and right sides of the upper surface of the first fixed frame (501) are fixedly connected to the second support plate (503).
6. A multi-stage wind screen seed cleaning device according to claim 5, characterized in that: The second screening assembly (6) comprises a collecting box (601), the lower surface of the collecting box (601) is fixedly connected to the upper surface of the second supporting plate (503), the collecting box (601) is inclined toward the front side, and the front side of the collecting box (601) is fixedly connected to a discharge pipe (602) extending to the outside of the box body (1), the upper surface of the collecting box (601) is fixedly connected to a second fixed frame (603), the interior of the second fixed frame (603) is fixedly connected to a second screen (604), and a channel for allowing seeds to fall onto the first screen (502) is reserved between the second fixed frame (603) and the front inner wall of the box body (1).
7. The multi-stage wind screen seed cleaning device according to claim 1, characterized in that: A square groove is provided on one side of the upper surface of the box body (1), and a feed hopper (8) is fixedly connected to the edge of the upper surface of the box body (1) near the square groove.