Combined full-film direct seeding machine

The combined full-film direct seeding machine addresses inefficiencies in dryland farming by providing mechanized, precise sowing and irrigation, ensuring even seed germination and reduced resource use, enhancing yield and adaptability across diverse land types.

WO2026049138A1PCT designated stage Publication Date: 2026-03-05GREEN & SEED CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2026-03-05

AI Technical Summary

Technical Problem

Current dryland farming practices are labor-intensive, unstable, and inefficient, leading to low yields, water waste, and labor shortages, while existing film-laying seeding machines fail to achieve full mechanization, result in weed growth, temperature instability, and require herbicides, limiting crop adaptability and yield.

Method used

A combined full-film direct seeding machine with a film laying, sowing, drip irrigation, and digging mechanism, capable of mechanized, precise sowing and soil covering, using degradable films to maintain soil temperature and moisture, eliminating herbicide use.

Benefits of technology

Achieves high-yield, efficient, and labor-saving crop planting with even seed germination, reduced water and fertilizer use, and improved crop adaptability, suitable for arid and desertified lands, enhancing national food security and farmer income.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to the technical field of agricultural machinery, and particularly relates to a combined full-film direct seeding machine. The seeding machine includes: an outer frame mechanism; a connecting mechanism installed on the two outer housings, and configured to be connected to a rear output end of a tractor; a film laying mechanism installed at one end of the outer frame mechanism, and configured to lay a mulching film over soil; a sowing mechanism arranged at a lower end of the outer frame mechanism, and configured to punch holes on the mulching film; a drip irrigation mechanism arranged at the lower end of the outer frame mechanism, and configured to replenish water to seeds; a digging mechanism that moves on the soil arranged inside the outer frame mechanism; and a small plowshare arranged at one end of each of the outer housings.
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Description

COMBINED FULL-FILM DIRECT SEEDING MACHINE

[0001] The present disclosure relates to the technical field of agricultural machinery, and particularly relates to a combined full-film direct seeding machine.

[0002] At present, a growing number of regions globally are exploiting groundwater to irrigate crops, resulting in a significant decline in available groundwater reserves. In some countries, since groundwater has dried up, crops cannot be grown there any longer. Many areas in China do not have enough agricultural water during a sowing season, farmers have to exploit groundwater to irrigate farmlands, resulting in a serious waste of precious water resources, this practice is unsustainable, and in numerous areas, farmers have to plant other dryland crops due to a lack of irrigation water. However, the current dryland farming practice has the following defects:

[0003] 1. the traditional dryland farming practice involves labor-intensive steps, large-scale flooding, and unstable seed germination, resulting in unstable yield;

[0004] 2. a large amount of grain imports cause instability to national food security;

[0005] 3. rural flight leads to a severe shortage of farmers, drastically reducing both the quantity and quality of labor force; and

[0006] 4. there are many arable idle land across China, such as desertified land, saline-alkali land, low-accumulated temperature land, and the like, that are difficult to grow crops.

[0007] However, in the dryland farming model, a film-laying seeding machine film is required. Existing film-laying seeding machine has the following defects:

[0008] 1. low sowing efficiency, inability to achieve full mechanization, simplification, labor saving, high quality, and high yield of the planting;

[0009] 2. inability to splice the mulching films together, resulting in a large number of weeds growing from exposed areas, further affecting the growth of neighboring crops;

[0010] 3. inability to guarantee temperature retention of soil that is not completely covered by the mulching film, thus limiting the adaptability of crops;

[0011] 4. rapid evaporation of fertilizers and water increases the application frequency and quantity, wasting both fertilizers and water; and

[0012] 5. necessity for herbicides, thus limiting green farming.

[0013] Therefore, the present disclosure provides a combined full-film direct seeding machine to address the above problems.

[0014] An objective of the present disclosure is to provide a combined full-film direct seeding machine, as there is an urgent need in the market for a mechanized, streamlined, efficient, energy-saving, stable, and yield-increasing planting machine to address the problems stated in the background art.

[0015] In order to achieve the above objective, the present disclosure provides the following technical solutions: a combined full-film direct seeding machine is provided, the seeding machine includes an outer frame mechanism, where the outer frame mechanism includes two outer housings, a connecting mechanism is installed on the two outer housings, the connecting mechanism is configured to be connected to a rear output end of a tractor, a film laying mechanism is installed at one end of the outer frame mechanism, and the film laying mechanism is configured to lay a mulching film over soil; a sowing mechanism is arranged at a lower end of the outer frame mechanism, and the sowing mechanism is configured to accurately punch holes and sow seeds on the mulching film; a drip irrigation mechanism is also arranged at the lower end of the outer frame mechanism, and the drip irrigation mechanism is configured to accurately replenish water to the seeds; a digging mechanism that moves on the soil is arranged inside the outer frame mechanism, such that uniform soil collection and covering can be realized during a driving process; and a small plowshare is arranged at one end of each of the outer housing.

[0016] Preferably, a chain drive structure is installed at one end of each of the outer housings, rotating shafts are rotationally installed on both sides of an inner wall of each of the outer housings, and one of the rotating shafts is fixedly connected to one end of the chain drive structure.

[0017] Preferably, the film laying mechanism includes a first roll shaft rotationally installed at one end of each of the outer housings, a pressing roll shaft, a film laying roll shaft, and two degradable film rolls are also rotationally installed at a lower end of each of the outer housings; the first roll shaft, the pressing roll shaft, and the film laying roll shaft are laid in sequence from left to right, the pressing roll shaft is configured to press a leveled soil bed for providing conditions for laying the mulching film smoothly, and the film laying roll shaft is configured to guide a combined mulching film to be overlapped and sent to the pressing roll shaft, such that the mulching film can be pressed onto the leveled soil bed.

[0018] Preferably, the two degradable film rolls are rotationally installed on two inner walls of each of the outer housings, and the degradable film rolls 34 are arranged in an overlapped manner.

[0019] Preferably, the sowing mechanism includes two first connecting rods that are fixedly connected to the inner walls of each of the outer housings, one end of each of the two first connecting rods is rotationally installed with a seeding discs, and spikes are fixedly installed on an outer periphery of the seeding discs.

[0020] Preferably, the drip irrigation mechanism includes two second connecting rods that are fixedly connected to the inner walls of each of the outer housings, and one end of each of the two second connecting rods is rotationally installed with a drip irrigation roll shaft.

[0021] Preferably, the digging mechanism 6 includes a first sprocket 61 fixedly installed on each of the rotating shafts, two first sprockets are rotationally installed with a first chain, a fixing member is fixedly installed on the first chain, and digging buckets are fixedly installed on the fixing member.

[0022] Compared with the prior art, the present disclosure has the following beneficial effects:

[0023] 1. Full mechanization of the large-field crop planting with precise sowing is achieved, seedling cultivation and transplanting are not required, a planting cycle is shortened, and risks are reduced.

[0024] 2. Land preparation is easy, no ridges are needed for watering, weeds are less likely to grow, management is simple, and planting and harvesting efficiency are improved.

[0025] 3. Before being sown, seeds are soaked and germinated, and water absorption, temperature accumulation, germination and other procedures are completed prior to sowing, such that the growth time is greatly shortened.

[0026] 4. The seeds that are sown and germinated can germinate evenly, grow strongly and uniformly.

[0027] 5. The germinated seeds sown in areas with a low-accumulated temperature can also be kept warm in the soil under the mulching film and slowly grow out of the soil. Therefore, crops that cannot be planted due to a high-accumulated temperature can also be planted in the areas with insufficient-accumulated temperature.

[0028] 6. Water needed for more than two times of seed germination is saved, and a temperature under the mulching film is maintained to ensure the safety of seedlings.

[0029] 7. Full-film sowing of large-field crops can be achieved, and no herbicide application is required, which is conducive to green planting.

[0030] 8. The sowing efficiency is increased by more than 300%, effectively alleviating the shortage of rural labor force in rural areas.

[0031] 9. Lots of water is saved, moisture and fertilizer are retained, thereby significantly improving product quality and yield, and increasing income of farmers.

[0032] 10. The seeding machine can be used to plant green plant in desertified areas to absorb and sequester carbon, effectively reducing carbon content.

[0033] Figure 1 is a three-dimensional schematic diagram of an overall structure according to the present disclosure.

[0034] Figure 2 an overall structural schematic diagram from a bottom view according to the present disclosure.

[0035] Figure 3 is an overall front view according to the present disclosure.

[0036] Figure 4 is a cross-sectional view of A-A in Figure 3.

[0037]

[0038] Reference numerals in the accompanying drawings

[0039] 1. outer frame mechanism 11. outer housing

[0040] 12. chain drive structure 13. rotating shaft

[0041] 2. connecting mechanism 3. film laying mechanism

[0042] 31. first roll shaft 32. pressing roll shaft

[0043] 33. film laying roll shaft 34. degradable film roll

[0044] 4. sowing mechanism 41. first connecting rod

[0045] 42. sowing disc 43. spike

[0046] 5. drip irrigation mechanism 51. second connecting rod

[0047] 52. drip irrigation roll shaft 6. digging mechanism

[0048] 61. first sprocket 62. first chain

[0049] 63. fixing member 64. digging bucket

[0050] 7. small plowshare

[0051] The technical solutions in the embodiments of the present disclosure are described below clearly and comprehensively in conjunction with the accompanying drawings in the embodiments of the present disclosure. It is obvious that the embodiments described are merely a part of, not all of, embodiments of the present disclosure. All other embodiments obtained by those of ordinarily skilled in the art based on the embodiments of the present disclosure without making creative efforts fall within the scope of protection of the present disclosure.

[0052] Embodiment 1:

[0053] With reference to Figures 1-4, a combined full-film direct seeding machine is provided, the seeding machine includes an outer frame mechanism 1, the outer frame mechanism 1 includes two outer housings 11, a connecting mechanism 2 is installed on the two outer housings 11, the connecting mechanism 2 is configured to be connected to a rear output end of a tractor, a film laying mechanism 3 is installed at one end of the outer frame mechanism 1, and the film laying mechanism 3 is configured to lay a mulching film over soil; a sowing mechanism 4 is arranged at a lower end of the outer frame mechanism 1, and the sowing mechanism 4 is configured to accurately punch holes on the mulching film; a drip irrigation mechanism 5 is also arranged at the lower end of the outer frame mechanism 1, and the drip irrigation mechanism 5 is configured to accurately replenish water to seeds; a digging mechanism 6 that moves on the soil is arranged inside the outer frame mechanism 1, such that uniform soil collection and covering can be realized during a driving process; and a small plowshare 7 is arranged at one end of each of the outer housings 11, and is configured to level the soil, so as to facilitate soil extraction by the digging mechanism 6 in a later stage.

[0054] In this embodiment, the rear output end of the tractor is connected to the connecting mechanism 2. Tire tracks pressed by tires of the tractor during movements can be loosened after being plowed again by the small plowshare 7, the staggered digging mechanism 6 is then driven to dig up the soil, and the film laying mechanism 3 is then used to press and lay the mulching film, the mulching film is covered with the soil dug up by the digging mechanism 6, and drip irrigation is performed via the drip irrigation mechanism 5; and before being sown, seeds are soaked and germinated, water absorption of seeds is completed prior to sowing, the sowing mechanism 4 is used to accurately punch holes on the mulching film, and the pre-germinated seeds are placed while the holes are punched to complete the sowing process.

[0055] The germination process greatly shortens the growth time, thus saving water needed for more than two times of seed germination, and maintaining a temperature under the mulching film to ensure the safety of seedlings. The soil dug up by the digging mechanism 6 can be covered on the mulching film again, thereby achieving full mechanization of the large-field crop planting with precise sowing, no need for seedling cultivation and transplanting, shortening a planting cycle, and reducing risks. Moreover, the germinated seeds sown in areas with a low-accumulated temperature can also be kept warm in the soil under the mulching film and slowly grow out of the soil. Therefore, crops that cannot be planted due to a high-accumulated temperature can also be planted in the areas with insufficient-accumulated temperature. In addition, the seeds that are sown and germinated can germinate evenly, grow strongly and uniformly, such that full-film sowing of large-field crops can be achieved. Moreover, no herbicide application is required, which is conducive to green planting and effectively alleviating the shortage of rural labor force in rural areas, and can save lots of water, retain moisture and fertilizer, and significantly improve product quality and yield, thereby increasing income of farmers.

[0056] Embodiment 2:

[0057] This embodiment is an improvement made on the basis of Embodiment 1. Specifically, with reference to Figures 1-4, a chain drive structure 12 is installed at one end of the outer housing 11, and the chain drive structure 12 includes a chain body and two sprockets. The chain body is fitted onto the two sprockets, rotating shafts 13 are rotationally installed on both sides of an inner wall of the outer housing 11, one of the rotating shafts 13 is fixedly connected to the other of the sprockets of the chain drive structure 12, and the rotating shafts 13 rotate when the chain drive structure 12 rotates, such that the direct seeding machine is driven to operate.

[0058] The film laying mechanism 3 includes a first roll shaft 31 rotationally installed at one end of the outer housing 11, and a pressing roll shaft 32, a film laying roll shaft 33, and two degradable film rolls 34 are also rotationally installed at a lower end of the outer housing 11. The first roll shaft 31, the pressing roll shaft 32, and the film laying roll shaft 33 are laid in sequence from left to right (FIGURE 4), the two degradable film rolls 34 are rotationally installed on two inner walls of the outer housing 11, and the degradable film rolls 34 are arranged in an overlapped manner. The pressing roll shaft 32 is configured to press a leveled soil bed for providing conditions for laying the mulching film smoothly, thereby laying the mulching film evenly and completely. The film laying roll shaft 33 is a reverse-molding roller, which can guide a combined mulching film to be overlapped and sent to the pressing roll shaft 32, which presses the mulching film onto the leveled soil bed, providing conditions for a soil covering system.

[0059] Embodiment 3:

[0060] This embodiment is an improvement made on the basis of Embodiment 2. Specifically, with reference to Figures 1-4, the sowing mechanism 4 includes two first connecting rods 41 that are fixedly connected to the inner walls of the outer housing 11, one end of each of the two first connecting rods 41 is rotationally installed with a seeding discs 42, and spikes 43 are fixedly installed on an outer periphery of the seeding discs 42. When the direct seeding machine is driven, the seeding discs 42 rotates above the mulching film, and the spikes 43 pierce the mulching film to punch the holes on the mulching film accurately, the pre-germinated seeds in the seeding discs 42 are sown into the punched holes when the seeding disc 42 rotates.

[0061] The drip irrigation mechanism 5 includes two second connecting rods 51 that are fixedly connected to the inner walls of the outer housing 11, one end of each of the two second connecting rods 51 is rotationally installed with a drip irrigation roll shaft 52, and drip irrigation tubes are installed on the drip irrigation roll shaft 52. During the rotation of the seeding disc 42, the pre-germinated seeds are sown on both sides of the drip irrigation tubes, such that the seeds can be promptly watered, water needed for more than two times of seed germination is saved, and a temperature under the mulching film is maintained to ensure the safety of seedlings. Therefore, the direct seeding machine can save lots of water, retain moisture and fertilizer, and significantly improve product quality and yield, thereby increasing income of farmers.

[0062] Embodiment 4:

[0063] This embodiment is an improvement made on the basis of Embodiment 3. Specifically, with reference to Figures 1-4, the digging mechanism 6 includes a first sprocket 61 fixedly installed on each of the rotating shafts 13, two first sprockets 61 are rotationally installed with a first chain 62, a fixing member 63 is fixedly installed on the first chain 62, and digging buckets 64 are fixedly installed on the fixing member 63. When the chain drive structure 12, the rotating shafts 13, the first sprockets 61, and the first chain 62 rotate, the digging buckets 64 are fixed on the first chain 62 through the fixing member 63, driving the staggered digging buckets 64 to dig up soil evenly, and the soil dug up by the digging buckets 64 are transported to an upper end of the first chain 62, and finally poured back on the mulching film, facilitating the leveling of the mulching film.

[0064] The contents not described in detail in the description are the well-known technologies to those skilled in the art.

[0065] Although the present disclosure has been described in detail with reference to the above embodiment, for those skilled in the art, it is still apparent that the technical solutions described in the above embodiment may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure shall fall within the protection scope of the present disclosure.

Claims

1.A combined full-film direct seeding machine, comprising an outer frame mechanism (1), wherein the outer frame mechanism (1) comprises two outer housings (11), a connecting mechanism (2) is installed on the two outer housing (11), the connecting mechanism (2) is configured to be connected to a rear output end of a tractor, a film laying mechanism (3) is installed at one end of the outer frame mechanism (1), and the film laying mechanism (3) is configured to lay a mulching film over soil; a sowing mechanism (4) is arranged at a lower end of the outer frame mechanism (1), and the sowing mechanism (4) is configured to accurately punch holes and sow seeds on the mulching film; a drip irrigation mechanism (5) is also arranged at the lower end of the outer frame mechanism (1), and the drip irrigation mechanism (5) is configured to accurately replenish water to the seeds; and a digging mechanism (6) is arranged inside the outer frame mechanism (1), and a small plowshare (7) is arranged at one end of each of the outer housings (11).2.The combined full-film direct seeding machine according to claim 1, wherein a chain drive structure (12) is installed at one end of each of the outer housings (11), rotating shafts (13) are rotationally installed on both sides of an inner wall of the outer housing (11), and one of the rotating shafts (13) is fixedly connected to one end of the chain drive structure (12).3.The combined full-film direct seeding machine according to claim 2,wherein the film laying mechanism (3) comprises a first roll shaft (31) rotationally installed at one end of each of the outer housings (11),a pressing roll shaft (32), a film laying roll shaft (33), and two degradable film rolls (34) are also rotationally installed atalower end of each of the outer housings (11),the first roll shaft (31), the pressing roll shaft (32), and the film laying roll shaft (33) are laid in sequence from left to right,the pressing roll shaft (32) is configured to press a leveled soil bed for providing conditions for laying the mulching film smoothly,and the film laying roll shaft (33) is configured to guide a combined mulching film to be overlapped and sent to the pressing roll shaft (32), such that the mulching film can be pressed onto the leveled soil bed.4.The combined full-film direct seeding machine according to claim 3, wherein the two degradable film rolls (34) are rotationally installed on two inner walls of each of the outer housings (11), and the degradable film rolls (34) are arranged in an overlapped manner.5.The combined full-film direct seeding machine according to claim 1, wherein the sowing mechanism (4) comprises two first connecting rods (41) that are fixedly connected to the inner walls of each of the outer housings (11), one end of each of the two first connecting rods (41) is rotationally installed with a seeding discs (42), and spikes (43) are fixedly installed on an outer periphery of the seeding discs (42).6.The combined full-film direct seeding machine according to claim 1, wherein the drip irrigation mechanism (5) comprises two second connecting rods (51) that are fixedly connected to the inner walls of each of the outer housings (11), and one end of each of the two second connecting rods (51) is rotationally installed with a drip irrigation roll shaft (52).7.The combined full-film direct seeding machine according to claim 2, wherein the digging mechanism (6) comprises a first sprocket (61) fixedly installed on each of the rotating shafts (13), two first sprockets (61) are rotationally installed with a first chain (62), a fixing member (63) is fixedly installed on the first chain (62), and digging buckets (64) are fixedly installed on the fixing member (63).

Citation Information

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