Air suction type seeder
By using a blower to generate negative pressure to adsorb seeds, the air-suction seeder solves the shortcomings of traditional mechanical seed metering devices in terms of seed adaptability and efficiency, and realizes quantitative seed filling and efficient sowing of different seeds.
Patent Information
- Application Number
- CN202520636942.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Traditional mechanical seed metering devices are difficult to use for quantitative seeding of seeds of different shapes and sizes, and they have low operating speed and poor adaptability in large-scale planting environments.
The air suction seeder uses a fan to generate negative pressure to adsorb seeds through the adsorption holes of the seed tray, and the seeds are discharged by rotating the seed tray. The fan speed and air flow are adjustable to adapt to different seed types and sowing requirements.
It enables quantitative sowing of different seeds, improving sowing efficiency and adaptability, and making it suitable for large-scale planting environments.
Smart Images
Figure CN223943170U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sowing machine technical field, specifically point to a kind of air suction type seeding machine. BACKGROUND
[0002] With the degree of agricultural mechanization of our country is continuously improved, crops in the process of planting, gradually by mechanized equipment instead of manual planting, mechanized planting greatly improves the efficiency of crop planting, effectively reduce the labor of production, seeding machine is mainly used in the process of crop planting mechanized seeding, seed metering device is the "core" of seeding machine, its function is to effectively separate and accurately deliver group seed, finally fall into seedbed. Traditional mechanical seed metering device mainly relies on the gravity of seed filling, due to the limitation of mechanical structure, it is difficult to realize the quantitative filling of seeds of different shapes and sizes, and the working speed is low in large-scale planting environment, poor adaptability. SUMMARY
[0003] The utility model provides a kind of air suction type seeding machine for the deficiency of prior art.
[0004] The utility model is realized through the following technical schemes, provide a kind of air suction type seeding machine, including walking car, furrow opener and air suction seeding mechanism being installed on walking car, the air suction seeding mechanism includes air suction box and seed tray being rotationally connected in air suction box, seed tray is opened with a plurality of adsorption holes being arranged along the circumference, the seed tray separates air suction box into suction cavity and seed cavity, the suction cavity is communicated with the suction port of fan, the seed cavity is equipped with baffle, the baffle separates seed cavity into seed cavity and seed cavity, the seed cavity is communicated with seed box, the lower end of seed cavity is equipped with seed outlet, baffle is fixedly connected in seed cavity, seed on adsorption hole falls from seed outlet after being blocked by baffle.
[0005] As optimization, the suction port of fan is communicated with the outlet of three-way valve, one inlet of three-way valve is communicated with suction cavity, another inlet is communicated with the upper end of seed cleaning box, the upper end of seed cleaning box is communicated with suction tube by pipeline.
[0006] As optimization, the walking car includes frame, two front walking wheels and one rear walking wheel, seed tray shaft in the center of seed tray is transmissionally connected with rear walking wheel by chain.
[0007] As optimization, the furrow opener includes outer fixed tube being fixedly connected on walking car, inner tube being vertically slidably connected in outer fixed tube and furrow knife being fixedly connected on the lower end of inner tube, the outer fixed tube is journalled with screw rod, and the screw rod is threadedly connected with the inner tube.
[0008] As optimization, the upper end of screw rod is equipped with handle.
[0009] As optimization, the furrow opener rear end is fixed with two arc-shaped baffles arranged left and right, and the upper end of the two arc-shaped baffles is fixed with a baffle pipe located below the seed sowing port.
[0010] As optimization, the seed feeding cavity is provided with a seed brush attached to the side surface of the seed tray.
[0011] As optimization, the seed box outer side is hinged with an adjusting clamping plate, the seed brush is fixed to one end of the adjusting clamping plate, the seed box outer side is fixed with a toothed disc, and the other end of the adjusting clamping plate is elastically clamped in the clamping teeth at the edge of the toothed disc.
[0012] The air suction type seeding machine has the advantages that when air flows through the adsorption holes of the seed tray, negative pressure is formed in the adsorption holes, so that the seeds can be adsorbed on the holes, and the seeds can be sowed through the rotation of the seed tray; the rotation speed and air flow of the fan can be adjusted to adapt to different seed types and seeding requirements. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the utility model;
[0014] Figure 2 It is a structural schematic view of the utility model from another angle;
[0015] Figure 3 It is a front view of the utility model;
[0016] Figure 4 It is a sectional view of the utility model along A-A plane; Figure 3
[0017] Figure 5 It is a structural schematic view of the lower end of the furrow opener of the utility model;
[0018] Figure 6 It is a top view of the utility model;
[0019] Figure 7 It is a structural schematic view of the air suction seeding mechanism of the utility model;
[0020] Figure 8 It is an exploded schematic view of the air suction seeding mechanism of the utility model;
[0021] Figure 9 It is a front view of the air suction seeding mechanism of the utility model;
[0022] Figure 10 It is a sectional view of the utility model along B-B plane; Figure 9
[0023] Figure 11 It is a structural schematic view of the inside of the air suction box of the utility model;
[0024] As shown in the drawings:
[0025] 1. Frame, 2. Front wheels, 3. Rear wheels, 4. Air suction seeding mechanism, 41. Air suction box, 42. Air suction port, 43. Seed tray, 44. Seed tray shaft, 45. Seed chamber, 451. Seed feeding chamber, 452. Seed discharging chamber, 46. Air suction chamber, 47. Partition, 48. Baffle, 49. Seed discharging port, 410. Seed brush, 411. Adjusting plate, 412. Toothed disc, 5. Furrow opener, 51. Outer fixing tube, 52. Inner tube, 53. Furrow opener, 54. Arc-shaped baffle, 55. Screw, 56. Turning handle, 57. Baffle tube, 6. Fan, 7. Three-way valve, 8. Seed cleaning box, 9. Seed suction tube, 10. Seed box, 11. Handrail, 12. Seed discharging tube. Detailed Implementation
[0026] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.
[0027] Example 1:
[0028] like Figures 1-11 As shown, the present invention provides a pneumatic seeder, which includes a traveling vehicle, a furrow opener 5, and a pneumatic seeding mechanism 4. The furrow opener 5 and the pneumatic seeding mechanism 4 are both mounted on the traveling vehicle and arranged in a front-to-back configuration.
[0029] The vehicle in this embodiment includes a frame 1, two front wheels 2, and one rear wheel 3. The frame 1 is equipped with components such as a battery and a motor. The vehicle moves by rotating the two front wheels 2 driven by the motor. Alternatively, an engine can be used to drive the front wheels 2. A handrail 11 is installed at the rear end of the frame 1, and a switch is installed on the handrail 11 to control movement.
[0030] The trencher 5 includes an outer fixed tube 51 fixed to the vehicle, an inner tube 52 vertically slidable inside the outer fixed tube 51, and a trenching blade 53 fixed to the lower end of the inner tube 52. The outer fixed tube 51 is a vertical rectangular tube and is fixed to the vehicle frame 1. The inner tube 52 is a rectangular tube and is inserted into the outer fixed tube 51. The lower end of the inner tube 52 is located outside the outer fixed tube 51. The trenching blade 53 is welded to the lower end of the inner tube 52.
[0031] To achieve height adjustment of the inner tube 52, and thus adjust the height of the trenching cutter 53, as follows: Figure 4 As shown, in this embodiment, a screw 55 is axially connected to the outer fixing tube 51. The screw 55 is located inside the outer fixing tube 51 and its lower end is inserted into the inner tube 52. The screw 55 is rotatably connected to the upper end of the outer fixing tube 51, and the screw 55 is threadedly connected to the connecting plate inside the inner tube 52. Thus, the height of the inner tube 52 can be adjusted by rotating the screw 55.
[0032] The upper end of the screw 55 is equipped with a throttle 56, which facilitates manual rotation of the screw 55.
[0033] In order to facilitate the seed falling into the furrow after the furrow opener 53 opens the furrow, as shown in the figure, the rear end of the furrow opener 53 is fixed with two arc-shaped baffles 54 arranged left and right, and a falling space is formed between the two arc-shaped baffles 54 to prevent covering the opened furrow before the seed enters the soil. The upper end of the two arc-shaped baffles 54 is fixed with a baffle pipe 57 located below the seed discharge port 49 to facilitate the seed falling from the baffle pipe 57 to between the two arc-shaped baffles 54. Figure 5
[0034] As shown in the figure, the air suction seeding mechanism 4 comprises an air suction box 41 and a seed disc 43 rotatably connected in the air suction box 41. The air suction box 41 is a circular box, as shown in the exploded view, the air suction box 41 is a split structure, the seed disc 43 is a disc coaxial with the air suction box 41, the center of the seed disc 43 is fixed with a seed disc shaft 44, the seed disc shaft 44 is shaft-connected to the air suction box 41 and one end penetrates the air suction box 41, the seed disc shaft 44 is drivingly connected with the rear walking wheel 3 through a chain, so that the seed disc 43 is rotated by the rotation of the rear walking wheel 3, and the seed discharge speed is kept corresponding to the walking speed. Figures 7-11 Figure 8
[0035] A plurality of suction holes are arranged circumferentially on the seed disc 43, the diameter of the suction hole is smaller than the diameter of the seed, so that the seed cannot pass through the suction hole. The seed disc 43 divides the air suction box 41 into an air suction cavity 46 and a seed cavity 45. The upper end of the air suction cavity 46 is provided with an air suction port 42, the air suction port 42 is communicated with the air suction port of the fan 6, so that the air suction cavity 46 is realized by the air suction operation of the fan 6, the air in the seed cavity 45 passes through the suction hole, and the seed is adsorbed on the suction hole of the seed disc 43 by suction.
[0036] In order to realize the adsorption and release of the seed, the seed cavity 45 is provided with a partition plate 47, the partition plate 47 divides the seed cavity 45 into a seed feeding cavity 451 and a seed discharge cavity 452. The partition plate 47 is attached to the seed disc 43, and the lower end of the partition plate 47 is connected with the lower inner wall of the air suction box 41, and the upper end of the partition plate 47 is located in the upper middle part of the air suction box 41, so that the seed on the suction hole can pass through the upper end of the partition plate 47, and the movement of the seed from the seed feeding cavity 451 to the seed discharge cavity 452 is realized.
[0037] The seed feeding cavity 451 is communicated with the seed box 10, so that the seed enters the seed feeding cavity 451.
[0038] The lower end of the seed discharge cavity 452 is provided with a seed discharge port 49, and the seed discharge cavity 452 is fixedly connected with a baffle plate 48. The seed on the suction hole falls from the seed discharge port 49 after being blocked by the baffle plate 48. A funnel-shaped seed discharge pipe 12 is also installed below the seed discharge port 49, so as to guide the seed into the baffle pipe 57, and then fall between the two arc-shaped baffles 54.
[0039] The frame 1 is provided with a fan 6 and a seed cleaning box 8 on both sides, the suction port of the fan 6 is communicated with the outlet of a three-way valve 7, one inlet of the three-way valve 7 is communicated with the suction cavity 46, and the other inlet is communicated with the upper end of the seed cleaning box 8, so that the suction of the fan 6 can be switched between the seed cleaning box 8 and the suction cavity 46.
[0040] The upper end of the seed cleaning box 8 is communicated with a seed suction pipe 9 through a hose, and the suction of the pipe port of the seed suction pipe 9 can suck the scattered seeds or the seeds in the seed box 10 into the seed cleaning box 8 for collection.
[0041] The use method of the utility model discloses:
[0042] The seed to be sowed is loaded into the seed box 10, and the seed flows into the seed feeding cavity 451, in the process of the sowing machine, the rear walking wheel 3 drives the seed disc 43 to rotate through the chain, the suction port of the fan sucks the suction cavity 46, when the airflow passes through the adsorption hole of the seed disc 43, the negative pressure is formed in the adsorption hole, so that the seed is adsorbed on the adsorption hole, and the seed is moved to the seed discharge cavity 452 along with the rotation of the seed disc, when the seed disc rotates to the position of the baffle 48, the seed falls from the seed discharge port 49 after being blocked by the baffle 48, and falls into the ditch opened by the ditch opener below through the seed discharge pipe 12, so that the sowing operation is realized.
[0043] Embodiment 2:
[0044] In order to prevent multiple seeds from being adsorbed on the adsorption hole at one time, the seed feeding cavity 451 is provided with a seed brush 410 attached to the side surface of the seed disc 43 in the embodiment, and the seed brush 410 brushes off the excessive seeds when multiple seeds are adsorbed on the adsorption hole at one time.
[0045] In order to facilitate the adjustment of the position of the seed brush 410, the seed box 10 is hingedly provided with an adjusting clamping plate 411 outside, the adjusting clamping plate 411 is in a strip shape and extends into the air suction box 41 at one end, the seed brush 410 is fixedly connected to the one end of the adjusting clamping plate 411, a toothed disc 412 is fixedly connected to the outside of the seed box 10, a plurality of clamping teeth are arranged on the edge of the toothed disc 412, the other end of the adjusting clamping plate 411 is elastically clamped in the clamping teeth on the edge of the toothed disc 412, when the position of the seed brush 410 needs to be adjusted, the end of the adjusting clamping plate 411 is pulled out of the clamping teeth on the edge of the toothed disc 412, then the adjusting clamping plate 411 is rotated, and after the adjustment is completed, the end of the adjusting clamping plate 411 is locked by being elastically clamped in the clamping teeth.
[0046] Of course, the above description is also not limited to the above examples, the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.
Claims
1. An air planter characterized by: The utility model relates to a walking vehicle, a furrow opener (5) mounted on the walking vehicle and an air suction seeding mechanism (4), the air suction seeding mechanism (4) comprises an air suction box (41) and a seed disc (43) rotatably connected in the air suction box (41), a plurality of adsorption holes are arranged in the circumferential direction on the seed disc (43), the seed disc (43) divides the air suction box (41) into an air suction cavity (46) and a seed cavity (45), the air suction cavity (46) is communicated with the air suction port of a fan (6), the seed cavity (45) is provided with a baffle (47), the baffle (47) divides the seed cavity (45) into a seed feeding cavity (451) and a seed discharging cavity (452), the seed feeding cavity (451) is communicated with a seed box (10), the lower end of the seed discharging cavity (452) is provided with a seed discharging port (49), and the adsorption holes are provided with a baffle (48); the seeds on the adsorption holes fall from the seed discharging port (49) after being blocked by the baffle (48).
2. A suction planter according to claim 1, characterized in that: The air suction port of the fan (6) is communicated with the outlet of a three-way valve (7), one inlet of the three-way valve (7) is communicated with the air suction cavity (46), and the other inlet is communicated with the upper end of a seed cleaning box (8); the upper end of the seed cleaning box (8) is communicated with a seed suction pipe (9) through a pipeline.
3. A suction-type seeder according to claim 1, characterized in that: The walking vehicle comprises a vehicle frame (1), two front walking wheels (2) and one rear walking wheel (3), and the seed disc shaft (44) in the center of the seed disc (43) is drivingly connected with the rear walking wheel (3) through a chain.
4. The air-suction seeder of claim 1, wherein: The furrow opener (5) comprises an outer fixed pipe (51) fixed on the walking vehicle, an inner pipe (52) vertically slidably connected in the outer fixed pipe (51) and a furrow opener blade (53) fixed on the lower end of the inner pipe (52), a screw rod (55) is rotatably connected on the outer fixed pipe (51), and the screw rod (55) is threadedly connected with the inner pipe (52).
5. A suction planter as claimed in claim 4, wherein: A handle (56) is arranged on the upper end of the screw rod (55).
6. A suction planter as claimed in claim 4, wherein: The rear end of the furrow opener blade (53) is fixedly connected with two arc-shaped baffles (54) arranged in the left and right directions, and the upper ends of the two arc-shaped baffles (54) are fixedly connected with a blocking pipe (57) located below the seed discharging port (49).
7. The air-suction seeder of claim 1, wherein: The seed feeding cavity (451) is provided with a seed brush (410) attached to the side surface of the seed disc (43).
8. A suction planter according to claim 7, characterized in that: The outer side of the seed box (10) is hingedly connected with an adjusting clamping plate (411), the seed brush (410) is fixedly connected to one end of the adjusting clamping plate (411), the outer side of the seed box (10) is fixedly connected with a toothed disc (412), and the other end of the adjusting clamping plate (411) is elastically clamped in the clamping teeth on the edge of the toothed disc (412).