Multifunctional seeding device

Abstract

The utility model discloses a multifunctional seeding device which is characterized by comprising a plurality of nylon tooth seed discs and seed protecting sheets, the nylon tooth seed discs are identical to seed holes in the bottom of an upper conveying groove of a scraper conveyor in number and are respectively mounted below the seed holes, the seed protecting sheets are mounted on two sides of the nylon tooth seed discs, and the nylon tooth seed discs are connected with the scraper conveyor. The nylon tooth seed disc is arranged on the lower conveying groove, the seeds are prevented from falling into the lower conveying groove when falling into the nylon tooth seed disc, tooth grooves or seed holes for storing the seeds are formed in the nylon tooth seed disc, a seed guide pipe is arranged below one side of the nylon tooth seed disc, and the nylon tooth seed disc is driven by a transmission optical shaft and a synchronous land wheel to rotate in a vertical plane. The seeding and seeding device can be used in a seed conveying device adopting a scraper conveying mode, the phenomena of repeated seeding, seeding missing and non-uniform seeding are avoided, and the seeding and seeding device is simple in structure and low in manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely relates to a multifunctional seeding and seed spacing device for realizing the direct seeding and precision seeding of various crop seeds. BACKGROUND

[0002] With the improvement of the technology of the seeding machine and the popularization of agricultural mechanization, the planting of crops basically adopts mechanical operation, in the prior art, the types of seeding devices are various, the seed conveying device of the seeding machine basically adopts multiple seed boxes to load seeds to realize seeding, the large seeding machine basically adopts the air suction type conveying mode composed of multiple pipes, the structure is complex, multiple seed boxes bring large load to the whole machine, and it is time-consuming and labor-consuming to replace and load seeds, in order to solve the problems of complex structure, large load of multiple seed boxes to the whole machine and time-consuming and labor-consuming replacement and loading of seeds, the seed conveying device of the seeding machine applied by the applicant reduces the number of seed boxes by using the circulating seed conveying mode of the scraper conveyor, reduces the weight of the whole machine, and the structure is simple. However, the existing seeding and seed spacing device cannot be used in the circulating conveying of the scraper conveyor, the phenomena of over-seeding and under-seeding may occur, the seed spacing device is prone to blockage, the seeds are prone to damage, and the seed spacing is uneven; and the structure of the existing seed spacing device is complex and various, and the maintenance cost is high. SUMMARY

[0003] In order to solve the above problems, the purpose of the utility model is to provide a seeding and seed spacing device, which can be used in the seed conveying device of the scraper conveying mode, so as to solve the phenomena of over-seeding and under-seeding and the phenomena of not blocking, not plugging and not damaging the seeds; and the structure is simple and the cost is low.

[0004] The technical scheme adopted by the utility model is: a multifunctional seeding and seed spacing device, which comprises nylon tooth seed discs and seed protection pieces, the nylon tooth seed discs are multiple, the number is the same as the number of seed holes at the bottom of the upper conveying groove of the scraper conveyor, and the nylon tooth seed discs are respectively installed below the seed holes, the seed protection pieces are installed on the two sides of the nylon tooth seed disc to prevent the seeds from falling into the lower conveying groove when falling into the nylon tooth seed disc, the nylon tooth seed disc is provided with a tooth groove or a seed hole for storing seeds, a seed guide pipe is arranged below one side of the nylon tooth seed disc, and the nylon tooth seed disc is rotated in the vertical plane by a transmission light shaft and a synchronous gear.

[0005] The diameter of the nylon tooth seed disc is 10-15cm, the number of teeth is 30-60, and the thickness is 2-4cm.

[0006] The nylon tooth seed disc and the upper conveying groove are left with a gap of 0.5-2cm, the size of the gap is adjusted according to different seeds, and the phenomenon of seed blockage and seed damage can be avoided.

[0007] The size of the tooth groove or the seed hole of the nylon tooth seed disc is determined by the size of the seeds, so that different sizes of crop seeds can be conveyed and discharged.

[0008] The nylon tooth seed disc is fixed on the transmission optical shaft by a top wire and is movable.

[0009] The transmission optical shaft and the synchronous gear wheel are connected by a speed reduction chain gear with a transmission ratio of (2-6):1, so that the rotation speed of the nylon tooth seed disc is reduced, the seed missing phenomenon is avoided, and the transmission power is saved.

[0010] The diameter of the synchronous gear wheel is 30-60 cm, and different diameters of the synchronous gear wheel are selected for different crop seeds.

[0011] The seed protection piece has two kinds, one is a strip-shaped seed protection piece made of a stainless steel piece with a length of 5 cm and a width of 0.5-3 cm, which is installed below both sides of each seed hole, and the other is an arc-shaped seed protection piece made of a stainless steel piece, which is installed on the upper end of the seed guide pipe, so that the seeds on the nylon seed disc can accurately fall into the seed guide pipe.

[0012] The seed brush is installed above the nylon tooth seed disc and is driven by the transmission optical shaft to separate the excess seeds on the tooth groove or seed hole and drop into the lower conveying groove from both sides.

[0013] The synchronous gear wheel drives multiple nylon tooth seed discs on the transmission optical shaft through the speed reduction chain gear with a transmission ratio of (2-6):1, the seeds continuously fall out of the upper conveying groove and uniformly fall into the tooth groove or seed hole of the nylon tooth seed disc, the seeds are continuously and uniformly dropped into the seed guide pipe under the action of the seed protection piece, the excess seeds are separated by the seed brush and then dropped into the lower conveying groove from both sides, the whole seed sowing and spacing process is simple and clear, the seed missing, blocking and seed damage phenomena are avoided, the structure is simple, the traction force is small, and the maintenance cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to clearly illustrate the technical scheme in the embodiments of the utility model, and make the person skilled in the art better understand the utility model, the drawings needed to be used in the embodiment description are explained as follows.

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] In the drawing, 1 is a scraper conveyor, 2 is a seed hole, 3 is a nylon tooth seed disc, 4 is a seed protection piece, 5 is a seed brush, 6 is an arc-shaped seed protection piece, 7 is a seed guide pipe, 8 is a synchronous gear wheel, 9 is a speed reduction chain gear, 10 is a transmission optical shaft, and 11 is a connecting rod. DETAILED DESCRIPTION

[0017] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the range of protection of the utility model.

[0018] From Figure 1 It can be known that the utility model is a seeding and seed spacing device, which can be used in a seed conveying device in a scraper conveying mode, comprising nylon tooth seed trays and seed protection sheets, the nylon tooth seed trays are multiple, the number is same as the seed hole number of the bottom of the upper conveying groove of the scraper conveyor, and are respectively installed below the seed holes, the seed protection sheets are two, are installed on the two sides of the nylon tooth seed tray, one is a strip-shaped seed protection sheet made of a stainless steel sheet with a length of 5cm and a width of 0.5-3cm, is installed below the two sides of each seed hole, and prevents the seed from falling into the lower conveying groove when falling into the nylon tooth seed tray; the other is an arc-shaped seed protection sheet made of a stainless steel sheet, is installed on the upper end of the seed guide pipe, and makes the seed on the nylon seed tray accurately fall into the seed guide pipe. The nylon tooth seed tray is provided with a seed tooth groove or seed hole, a seed guide pipe is arranged below one side of the nylon tooth seed tray, and the nylon tooth seed tray is driven to rotate in a vertical plane by a transmission light shaft and a synchronous gear.

[0019] The diameter of the nylon tooth seed tray is 10-15cm, the number of teeth is 30-60, and the thickness is 2-4cm.

[0020] The nylon tooth seed tray and the upper conveying groove are left with a gap of 0.5-2cm, the size of the gap is adjusted according to different seeds, and the seed jamming and seed damage phenomenon can be avoided.

[0021] The size of the seed tooth groove or seed hole of the nylon tooth seed tray is determined by the size of the seed, so that different sizes of crop seeds can be conveyed and discharged.

[0022] The nylon tooth seed tray is fixed on the transmission light shaft by a top pin and is movable.

[0023] The transmission light shaft and the synchronous gear are provided with a speed reduction chain gear, the transmission ratio of the speed reduction chain gear is (2-6):1, the rotating speed of the nylon tooth seed tray is slowed down, the seed missing phenomenon is not easy to appear, and the transmission power is saved.

[0024] The diameter of the synchronous gear is 30-60cm, and different diameters of the synchronous gear are selected for different crop seeds. Specifically, the rotating speed ratio of the nylon seed tray is adjusted, and the synchronous gear is used to rotate on the ground. The larger the synchronous gear is, the longer the rotating length on the ground is, and the greater the seed spacing distance is, and vice versa.

[0025] The seed brush is installed above the nylon tooth seed disc and is driven by the transmission optical shaft to separate the excessive seeds in the tooth groove or seed hole and drop into the lower conveying groove from both sides, and the seeds in the tooth groove or seed hole drop into the seed guide pipe.

[0026] The working process of the utility model is driven by the traction power and the synchronous wheel, and then the multiple nylon tooth seed discs on the optical shaft are driven by the speed reduction chain gear, the seeds continuously drop out from the upper conveying groove and evenly fall into the tooth groove or seed hole of the nylon tooth seed disc, then the seeds continuously and evenly drop into the seed guide pipe, the excessive seeds drop into the lower conveying groove from both sides under the action of the seed brush, the whole seeding and spacing process is simple and clear, and the phenomena of missing seeding, repeated seeding, jamming, blocking or seed damage are not easy to appear, and the structure is simple, the traction force is small and the maintenance cost is low.

[0027] The embodiments described in the utility model are merely described to the implementation mode and are not limited to the design idea and range of the utility model, and various modifications and improvements of the technical scheme of the utility model made by the engineering technicians in the field without departing from the design idea of the utility model should fall into the protection range of the utility model.

Claims

1. A multi-functional seed metering device, characterized by: The invention relates to a seed sowing device, which comprises nylon tooth seed trays and seed protecting sheets. The nylon tooth seed trays are multiple, the number of which is the same as the number of seed holes in the upper conveying groove of the scraper conveyor, and are respectively installed below the seed holes. The seed protecting sheets are installed on both sides of the nylon tooth seed trays to prevent the seeds from falling into the lower conveying groove when the seeds fall into the nylon tooth seed trays. The nylon tooth seed trays are provided with tooth grooves or seed holes for storing seeds, and a seed guide pipe is arranged below one side of the nylon tooth seed trays. The nylon tooth seed trays are rotated in the vertical plane by a driving light shaft and a synchronous gear.

2. The multi-functional seed metering device according to claim 1, wherein: The diameter of the nylon tooth seed tray is 10-15 cm, the number of teeth is 30-60, and the thickness is 2-4 cm.

3. The multi-functional seed metering device according to claim 1, wherein: A gap of 0.5-2 cm is left between the nylon tooth seed tray and the upper conveying groove, and the size of the gap is adjusted according to different seeds.

4. The multi-functional seed metering device according to claim 1, wherein: The size of the tooth groove or seed hole of the nylon tooth seed tray is determined by the size of the seed.

5. The multi-functional seed metering device according to claim 1, wherein: The nylon tooth seed tray is fixed on the driving light shaft by a top wire and is movable.

6. The multi-functional seed metering device according to claim 1, wherein: The transmission ratio of the driving light shaft and the synchronous gear is (2-6):

1.

7. The multi-functional seed metering device according to claim 1, wherein: The diameter of the synchronous gear is 30-60 cm, and different diameters of the synchronous gear are selected for different crop seeds.

8. The multi-functional seed metering device according to claim 1, wherein: A seed brush is installed above the nylon tooth seed tray, and the seed brush is driven by the driving light shaft.

9. The multi-functional seed metering device of claim 1, wherein: The seed protecting sheet has two types, one of which is a strip-shaped seed protecting sheet installed below both sides of each seed hole, and the other of which is an arc-shaped seed protecting sheet installed on the upper end of the seed guide pipe.

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