Grain seed winnowing machine

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing the combination of inclined plates and fan of the grain seed air picker, using wind power to screen seeds, combining pulleys and gear systems to adjust the seed residence time, the problem of poor screening effect of existing air pickers is solved, and efficient seed separation and convenient fan cleaning is achieved.

CN223221937UActive Publication Date: 2025-08-15HUNAN HAOZHI TECH CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202422384584.9
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-09-29
Publication Date: 2025-08-15
Estimated Expiration: 2034-09-29

AI Technical Summary

Technical Problem

When screening grain seeds, the existing air pickers affect the screening effect because the free fall movement time of the seeds in the box is short.

Method used

A cereal seed air selector is designed, which includes a box, a fan, a collection frame and an adjustment device. Through the combination of inclined plate and air outlet, the fan is used to blow out the unfull seeds. The plump seeds slide into the collection frame through the rectangular plate, and the angle of the inclined plate is adjusted in combination with the pulley and gear system to control the seed residence time.

Benefits of technology

It realizes effective separation of full and unfull seeds, improves screening effect, and facilitates fan cleaning through a detachable design.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN223221937U_ABST

Patent Text Reader

Abstract

The utility model provides a grain seed winnowing machine, which relates to the technical field of winnowing machines and comprises a box body, a feed port is arranged at the top of the box body, a fan is arranged on one side of the box body, a collecting frame is inserted on one side of the bottom of the box body in a sliding mode, and a collecting box is arranged on one side of the box body far away from the fan. An adjusting device is arranged in the box body, a connecting device is arranged on one side of the box body, the adjusting device comprises an inclined plate, one end of the inclined plate is arranged at the end, close to the draught fan, of the inner wall of the box body, and when the adjusting device is used, seeds move on the inclined plate after being placed into the box body from a feeding port, and the seeds are separated from the draught fan. At the moment, the fan blows the seeds through an air outlet hole, due to the fact that the mass of the full seeds is large, the non-full seeds are blown to the side, away from the fan, of the box body, then the non-full seeds passing through a discharging groove are blown into a collecting box, and the full seeds slide into a collecting frame through a rectangular plate.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of air separators, in particular to a grain seed air separator. Background Art

[0002] A winnowing machine is a device used to select full grain seeds. When using the winnowing machine, the grain seeds are placed from the feed port to the inside of the box. At this time, the seeds make free fall inside the box. At the same time, the fan blows the unfull seeds out of the box through the discharge port opened on the side of the box, and the full seeds fall into the collection box set at the bottom of the box, which makes it easier to select the full seeds.

[0003] In daily work, the inventor found that the air separator still has at least the following problems: when using the air separator, the grain seeds are placed from the feed port to the inside of the box. At this time, the seeds perform free fall motion inside the box. At the same time, the fan blows the unfull seeds out of the box through the discharge port opened on the side of the box, and the full seeds fall into the collection box provided at the bottom of the box. This makes it easier to pick out the full seeds. However, in actual use, because the seeds perform free fall motion inside the box, the seeds stay in the air for a relatively short time, which affects the seed screening effect to a certain extent. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a grain seed winnowing machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a grain seed air separator, comprising a box body, a feed port is provided on the top of the box body, a fan is provided on one side of the box body, a collection frame is slidably inserted on one side of the bottom of the box body, a collection box is provided on the side of the box body away from the fan, an adjusting device is provided inside the box body, a connecting device is provided on one side of the box body, the adjusting device comprises an inclined plate, one end of the inclined plate is provided on the end of the inner wall of the box body close to the fan, air outlet holes are evenly opened on the surface of the inclined plate, and a rectangular plate is fixedly connected to the end of the box body close to the collecting box.

[0006] The effect achieved by the above components is: when using the adjusting device, after the seeds are placed into the interior of the box from the feed port, the seeds move on the inclined plate. At this time, the fan blows onto the seeds through the air outlet. Because the mass of the full seeds is relatively large, the unfull seeds are blown to the side of the box away from the fan, and then the unfull seeds are blown into the interior of the collection box through the discharge trough, and the full seeds slide into the interior of the collection frame through the rectangular plate, so that the full seeds and the unfull seeds can be screened out.

[0007] Preferably, a rotating rod is inserted through one side of the inclined plate, the rotating rod is rotatably inserted on one side of the box body, and one end of the two rotating rods away from the box body is fixedly connected to a pulley.

[0008] The effects achieved by the above components are: the rotation of the rotating rod can be controlled by the pulley, so that the inclination angle of the inclined plate can be adjusted, and the time for which the seeds stay on the inclined plate can be controlled.

[0009] Preferably, the surfaces of the two pulleys are both provided with connecting belts, a connecting rod is rotatably inserted on one side of the pulley, the end of the connecting rod away from the pulley is fixedly connected to the first gear, one side of the first gear is meshed with the second gear, one side of the second gear is fixedly connected to a round rod, the round rod is rotatably inserted on one side of the box, and the side of the second gear away from the round rod is fixedly connected to a handle.

[0010] The effect achieved by the above components is: the second gear is manually driven to rotate through the handle, because the second gear and the first gear are engaged with each other, which can well drive the first gear to rotate, and then the two rotating rods can be driven to rotate in the same direction at the same time through the connecting belt.

[0011] Preferably, one side of the box body is fixedly connected to a support bar, one side of the support bar is fixedly connected to a first damping rod, the end of the first damping rod away from the support bar is fixedly connected to a triangular block, the triangular block is arranged on one side of the second gear, and the surface of the first damping rod is sleeved with a first spring, one end of the first spring is fixedly connected to one side of the support bar, and the end of the first spring close to the first damping rod is fixedly connected to one side of the triangular block.

[0012] The effect achieved by the above components is: when the inclined plate is rotated to a relatively gentle angle, the second gear squeezes the inclined surface of the triangular block, so that the first spring is compressed, which will not affect the reduction of the inclination angle of the inclined plate. When the inclination angle of the inclined plate increases due to gravity, the triangular block can clamp the second gear, so that the inclined plate can be well fixed inside the box.

[0013] Preferably, the connecting device includes a connecting frame, connecting grooves are evenly opened on one side of the box body, the inner wall of the connecting groove is slidably connected to the connecting frame, and the inner wall of the connecting frame is fixedly connected to one side of the fan.

[0014] The effect achieved by the above components is: when using the connecting device, manually slide the connecting frame into the connecting groove, and then set the fan on one side of the box. The fan can be removed by reverse operation, which makes it easier to clean the dust on the surface of the fan.

[0015] Preferably, a rectangular frame is fixedly connected to the surface of the connecting frame, a fixing groove is opened on one side of the rectangular frame, a support plate is slidably connected to the inner wall of the fixing groove, one side of the support plate is fixedly connected to one side of the box body, and a rubber strip is fixedly connected to the side of the support plate away from the box body.

[0016] The effect achieved by the above components is: inserting the support plate into the fixing groove, thereby squeezing the rubber strip to the side of the rectangular frame close to the connecting frame, thereby effectively restricting the connecting frame to one side of the box body.

[0017] Preferably, a second damping rod is fixedly connected to one side of the box body, and an end of the second damping rod away from the box body is fixedly connected to a positioning frame, and an end of the positioning frame away from the second damping rod is arranged on a side of the rectangular frame close to the connecting frame, and a second spring is sleeved on the surface of the second damping rod, one end of the second spring is fixedly connected to one side of the box body, and an end of the second spring close to the second damping rod is fixedly connected to one side of the positioning frame.

[0018] The effect achieved by the above components is: one end of the positioning frame is set on the side of the rectangular frame close to the connecting frame, and then the positioning frame is pulled toward the box body by the second spring, thereby effectively restricting one end of the positioning frame to one side of the rectangular frame.

[0019] Preferably, a groove is provided on one side of the box body, the inner wall of the groove is fixedly connected to a limiting rod, the surface sliding sleeve of the limiting rod is provided with a locking block, the locking block is slidably connected to the inner wall of the groove, the surface sleeve of the limiting rod is provided with a third spring, one end of the third spring is fixedly connected to the bottom of the groove, the end of the third spring close to the limiting rod is fixedly connected to the bottom of the locking block, and the end of the locking block away from the limiting rod is arranged on the side of the locking frame away from the second damping rod.

[0020] The effect achieved by the above components is: manually controlling the blocking block to slide to the bottom of the groove, and pulling the blocking block toward the bottom of the groove through the third spring, so that the blocking block can be well restricted to the side of the blocking frame away from the second damping rod.

[0021] In the utility model, an adjusting device is provided. When the adjusting device is used, after the seeds are placed into the interior of the box from the feed port, the seeds move on the inclined plate. At this time, the fan blows onto the seeds through the air outlet. Because the mass of the full seeds is relatively large, the unfull seeds are blown to the side of the box away from the fan, and then the unfull seeds are blown into the interior of the collection box through the discharge chute, and the full seeds slide into the interior of the collection frame through the rectangular plate, so that the full seeds and the unfull seeds can be screened out. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1The utility model provides a three-dimensional structural diagram of a grain seed winnowing machine;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of a new inclined plate proposed in the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the new handle proposed in the utility model;

[0025] Figure 4 The present invention provides a three-dimensional structural diagram of a novel positioning frame.

[0026] Legend: 1. Box body; 2. Feed inlet; 3. Fan; 4. Collection frame; 5. Collection box; 6. Adjustment device; 601. Rotating rod; 602. Inclined plate; 603. Air outlet; 604. Rectangular plate; 605. Pulley; 606. Connecting belt; 607. Connecting rod; 608. First gear; 609. Second gear; 610. Round rod; 611. Handle; 612. Support bar; 613. First damping rod; 614. First spring; 615. Triangular block; 7. Connecting device; 701. Connecting groove; 702. Connecting frame; 703. Rectangular frame; 704. Fixing groove; 705. Support plate; 706. Rubber strip; 707. Second damping rod; 708. Second spring; 709. Positioning frame; 710. Groove; 711. Limiting rod; 712. Third spring; 713. Positioning block. DETAILED DESCRIPTION

[0027] Example 1, as Figure 1-4 As shown, a grain seed air separator is provided, wherein a feed port 2 is provided at the top of a box body 1, a fan 3 is provided at one side of the box body 1, a collecting frame 4 is slidably inserted at one side of the bottom of the box body 1, a collecting box 5 is provided at the side of the box body 1 away from the fan 3, an adjusting device 6 is provided inside the box body 1, and a connecting device 7 is provided at one side of the box body 1. When using the air separator, the grain seeds are placed from the feed port 2 to the inside of the box body 1. At this time, the seeds perform free fall motion inside the box body 1. At the same time, the fan 3 blows the unfilled seeds out of the inside of the box body 1 through the discharge port opened on the side of the box body 1, and the filled seeds fall into the inside of the collecting frame 4 provided at the bottom of the box body 1, so that it is convenient to select the filled seeds.

[0028] Reference Figure 2 and Figure 3The regulating device 6 includes an inclined plate 602, one end of which is arranged on the inner wall of the box body 1 near the end of the fan 3, and air outlet holes 603 are evenly opened on the surface of the inclined plate 602. The end of the box body 1 near the collecting box 5 is fixedly connected with a rectangular plate 604. When the regulating device 6 is used, after the seeds are placed into the box body 1 from the feed port 2, the seeds move on the inclined plate 602. At this time, the fan 3 blows onto the seeds through the air outlet 603. Because the mass of full seeds is relatively large, the unfull seeds are blown to the side of the box body 1 away from the fan 3 by the wind, and then the unfull seeds through the discharge chute are blown into the inside of the collecting box 5, and the full seeds slide into the inside of the collecting frame 4 through the rectangular plate 604, so that the full seeds can be The seeds and unfilled seeds are screened out, and a rotating rod 601 is inserted through one side of the inclined plate 602, and the rotating rod 601 is rotatably inserted on one side of the box body 1. The two rotating rods 601 are fixedly connected to a pulley 605 at one end away from the box body 1. The rotating rod 601 can be controlled to rotate by the pulley 605, so that the inclination angle of the inclined plate 602 can be adjusted, so that the time the seeds stay on the inclined plate 602 can be controlled. The surfaces of the two pulleys 605 are both provided with a connecting belt 606, and a connecting rod 607 is rotatably inserted on one side of the pulley 605. The end of the connecting rod 607 away from the pulley 605 is fixedly connected to the first gear 608, and a second gear 609 is meshed with one side of the first gear 608. One side of the wheel 609 is fixedly connected to a round rod 610, and the round rod 610 is rotatably inserted into one side of the box body 1. The second gear 609 is fixedly connected to the side away from the round rod 610 with a handle 611. The second gear 609 is manually driven to rotate through the handle 611. Because the second gear 609 and the first gear 608 are meshed with each other, the first gear 608 can be driven to rotate well. Then, the two rotating rods 601 can be driven to rotate in the same direction at the same time through the connecting belt 606. One side of the box body 1 is fixedly connected to a support bar 612, and one side of the support bar 612 is fixedly connected to a first damping rod 613. The end of the first damping rod 613 away from the support bar 612 is fixedly connected to a triangular block 615. 615 is arranged on one side of the second gear 609, and the surface of the first damping rod 613 is sleeved with a first spring 614, one end of the first spring 614 is fixedly connected to one side of the support bar 612, and the end of the first spring 614 close to the first damping rod 613 is fixedly connected to one side of the triangular block 615. When the inclined plate 602 is rotated to a relatively gentle angle, the second gear 609 squeezes the inclined surface of the triangular block 615, so that the first spring 614 is compressed, and thus does not affect the reduction of the inclination angle of the inclined plate 602. When the inclination angle of the inclined plate 602 increases due to gravity, the triangular block 615 can clamp the second gear 609, so that the inclined plate 602 can be well fixed inside the box body 1.

[0029] Reference Figure 4, the connecting device 7 includes a connecting frame 702, a connecting groove 701 is evenly opened on one side of the box body 1, the inner wall of the connecting groove 701 is slidably connected to the connecting frame 702, and the inner wall of the connecting frame 702 is fixedly connected to one side of the fan 3. When using the connecting device 7, the connecting frame 702 is manually slid into the inside of the connecting groove 701, and then the fan 3 is set on one side of the box body 1. The fan 3 can be disassembled by reverse operation, which makes it easier to clean the dust on the surface of the fan 3. The surface of the connecting frame 702 is fixedly connected to a rectangular frame 703, and a fixing groove 704 is opened on one side of the rectangular frame 703. The inner wall of the fixing groove 704 is slidably connected to a support plate 705, which supports One side of the plate 705 is fixedly connected to one side of the box body 1, and a rubber strip 706 is fixedly connected to the side of the support plate 705 away from the box body 1. The support plate 705 is inserted into the inside of the fixing groove 704, and then the rubber strip 706 is squeezed to the side of the rectangular frame 703 close to the connecting frame 702, thereby well limiting the connecting frame 702 to one side of the box body 1. A second damping rod 707 is fixedly connected to one side of the box body 1, and the end of the second damping rod 707 away from the box body 1 is fixedly connected to a positioning frame 709. The end of the positioning frame 709 away from the second damping rod 707 is set on the side of the rectangular frame 703 close to the connecting frame 702, and the surface of the second damping rod 707 is sleeved There is a second spring 708, one end of the second spring 708 is fixedly connected to one side of the box body 1, and the end of the second spring 708 close to the second damping rod 707 is fixedly connected to one side of the positioning frame 709, and one end of the positioning frame 709 is set on the side of the rectangular frame 703 close to the connecting frame 702, and then the positioning frame 709 is pulled toward the direction close to the box body 1 by the second spring 708, thereby well limiting one end of the positioning frame 709 to one side of the rectangular frame 703, a groove 710 is provided on one side of the box body 1, and the inner wall of the groove 710 is fixedly connected to the limiting rod 711, and the surface sliding sleeve of the limiting rod 711 is provided with a positioning block 713, and the positioning block 713 The locking cam 713 is fixed on the locking cam 714, and the locking cam 715 is fixed on the locking cam 716. The locking cam 716 is fixed on the locking cam 716, and the locking cam 716 is fixed on the locking cam 716. The locking cam 716 is fixed on the locking cam 716, and the locking cam 716 is fixed on the locking cam 716.

[0030] Working principle: when using the air separator, the grain seeds are placed from the feed port 2 into the interior of the box 1. At this time, the seeds make free fall in the interior of the box 1. At the same time, the fan 3 blows the unfilled seeds out of the interior of the box 1 through the discharge port opened on the side of the box 1, and the full seeds fall into the collection frame 4 set at the bottom of the box 1, so that it is convenient to pick out the full seeds. When using the adjustment device 6, after the seeds are placed from the feed port 2 into the interior of the box 1, the seeds move on the inclined plate 602. At this time, the fan 3 blows onto the seeds through the air outlet 603. Because the mass of the full seeds is relatively large, the unfilled seeds are blown away from the box 1 by the wind. The seeds which are full of seeds are blown away from the side of the blower 3 and then blown into the inside of the collecting box 5 through the discharge chute, and the full seeds slide into the inside of the collecting frame 4 through the rectangular plate 604, so that the full seeds and the unfull seeds can be screened out. When the second gear 609 is manually driven to rotate by the handle 611, because the second gear 609 and the first gear 608 are meshed with each other, the first gear 608 can be driven to rotate well, and then the two rotating rods 601 can be driven to rotate in the same direction at the same time through the connecting belt 606, so that the inclination angle of the inclined plate 602 can be adjusted. When the inclined plate 602 is rotated to a relatively gentle angle, the second gear 609 is engaged with the first gear 608, and the second gear 609 is engaged with the first gear 608, so that the first gear 608 can be driven to rotate well. The wheel 609 squeezes the inclined surface of the triangular block 615, so that the first spring 614 is compressed, which will not affect the reduction of the inclination angle of the inclined plate 602. When the inclination angle of the inclined plate 602 increases due to gravity, the triangular block 615 can clamp the second gear 609, which can well fix the inclined plate 602 inside the box body 1. When using the connecting device 7, manually slide the connecting frame 702 into the inside of the connecting groove 701, insert the support plate 705 into the inside of the fixing groove 704, and then squeeze the rubber strip 706 to the side of the rectangular frame 703 close to the connecting frame 702, and set one end of the positioning frame 709 on the rectangular frame 703 close to the connecting frame The locking block 713 is manually controlled to slide to the bottom of the groove 710, and the locking block 713 is pulled toward the bottom of the groove 710 by the third spring 712. In this way, the locking block 713 can be well restricted to the side of the locking frame 709 away from the second damping rod 707, and then one end of the locking frame 709 can be well restricted to one side of the rectangular frame 703, and then the connecting frame 702 can be well restricted to one side of the box body 1, and then the fan 3 can be set on one side of the box body 1. The fan 3 can be disassembled by reverse operation, which makes it easy to clean the dust on the surface of the fan 3.

[0031] It should be noted that all damping rods in this case are retractable dampers that can absorb energy during the retraction and extension process.

Claims

1. A grain seed winnowing machine, comprising a box (1), characterized in that: The top of the box body (1) is provided with a feed port (2), a fan (3) is provided on one side of the box body (1), a collecting frame (4) is slidably inserted on one side of the bottom of the box body (1), a collecting box (5) is provided on the side of the box body (1) away from the fan (3), an adjusting device (6) is provided inside the box body (1), and a connecting device (7) is provided on one side of the box body (1), the adjusting device (6) includes an inclined plate (602), one end of the inclined plate (602) is provided on the end of the inner wall of the box body (1) close to the fan (3), and air outlet holes (603) are evenly opened on the surface of the inclined plate (602), and a rectangular plate (604) is fixedly connected to the end of the box body (1) close to the collecting box (5).

2. A grain seed winnowing machine according to claim 1, characterized in that: A rotating rod (601) is inserted through one side of the inclined plate (602), and the rotating rod (601) is rotatably inserted on one side of the box body (1). One end of the two rotating rods (601) away from the box body (1) is fixedly connected to a pulley (605).

3. A grain seed winnowing machine according to claim 2, characterized in that: The surfaces of the two pulleys (605) are both sleeved with a connecting belt (606), a connecting rod (607) is rotatably inserted on one side of the pulley (605), and an end of the connecting rod (607) away from the pulley (605) is fixedly connected to a first gear (608), a second gear (609) is meshed on one side of the first gear (608), and a round rod (610) is fixedly connected to one side of the second gear (609), and the round rod (610) is rotatably inserted on one side of the box body (1), and a handle (611) is fixedly connected to the side of the second gear (609) away from the round rod (610).

4. The grain seed winnowing machine according to claim 1, characterized in that: A support bar (612) is fixedly connected to one side of the box body (1), a first damping rod (613) is fixedly connected to one side of the support bar (612), an end of the first damping rod (613) away from the support bar (612) is fixedly connected to a triangular block (615), the triangular block (615) is arranged on one side of the second gear (609), a first spring (614) is sleeved on the surface of the first damping rod (613), one end of the first spring (614) is fixedly connected to one side of the support bar (612), and an end of the first spring (614) close to the first damping rod (613) is fixedly connected to one side of the triangular block (615).

5. The grain seed winnowing machine according to claim 1, characterized in that: The connecting device (7) comprises a connecting frame (702), one side of the box body (1) is evenly provided with connecting grooves (701), the inner wall of the connecting groove (701) is slidably connected to the connecting frame (702), and the inner wall of the connecting frame (702) is fixedly connected to one side of the fan (3).

6. A grain seed winnowing machine according to claim 5, characterized in that: A rectangular frame (703) is fixedly connected to the surface of the connecting frame (702), a fixing groove (704) is provided on one side of the rectangular frame (703), a support plate (705) is slidably connected to the inner wall of the fixing groove (704), one side of the support plate (705) is fixedly connected to one side of the box body (1), and a rubber strip (706) is fixedly connected to the side of the support plate (705) away from the box body (1).

7. The grain seed winnowing machine according to claim 1, characterized in that: A second damping rod (707) is fixedly connected to one side of the box body (1), and an end of the second damping rod (707) away from the box body (1) is fixedly connected to a positioning frame (709), and an end of the positioning frame (709) away from the second damping rod (707) is arranged on a side of the rectangular frame (703) close to the connecting frame (702), and a second spring (708) is sleeved on the surface of the second damping rod (707), and one end of the second spring (708) is fixedly connected to one side of the box body (1), and an end of the second spring (708) close to the second damping rod (707) is fixedly connected to one side of the positioning frame (709).

8. The grain seed winnowing machine according to claim 1, characterized in that: A groove (710) is provided on one side of the box body (1), the inner wall of the groove (710) is fixedly connected to a limiting rod (711), a surface of the limiting rod (711) is slidably sleeved with a locking block (713), the locking block (713) is slidably connected to the inner wall of the groove (710), a surface of the limiting rod (711) is sleeved with a third spring (712), one end of the third spring (712) is fixedly connected to the bottom of the groove (710), an end of the third spring (712) close to the limiting rod (711) is fixedly connected to the bottom of the locking block (713), and an end of the locking block (713) away from the limiting rod (711) is arranged on a side of the locking frame (709) away from the second damping rod (707).