RU151366U1 - SOWING GRAIN FEEDING DEVICE - Google Patents

Abstract

1. A device for supplying seed to a movable metering device, characterized by the presence of at least one injector to ensure an orderly movement of grains, which includes an air nozzle, a mixing zone, a diffuser and a vacuum drum with holes for gripping the seed. 2. The device according to claim 1, characterized in that the injector is mounted practically tangentially to the dispenser. A device according to any one of claims 1, 2, characterized in that the injector has a speed of issuing grains approximately equal to the peripheral speed of the dispenser. The device according to claim 1, characterized in that the mixing zone is connected to the prechamber. The device according to claim 4, characterized in that the prechamber is connected to the loading hopper. A device according to any one of claims 4, 5, characterized in that the prechamber is connected to the zone in which the grain goes into suspension. The device according to claim 5, characterized in that the hopper is connected to a source of forced air. A device according to any one of claims 1, 2, 4, 5, 7, characterized in that the air nozzle is connected to a source of injected air. A device according to any one of claims 1, 2, 4, 5, 7, characterized in that it comprises means for controlling the amount of air that is supplied to the injector and synchronizing the feed rate of grain with the peripheral speed of the dispenser. A device according to any one of claims 1, 2, 4, 5, 7, characterized in that the injector has a round, or elliptical, or oval, or square, or rectangular section.

Description

Technical field

The invention relates to a device for feeding grain, in particular to a device for orderly supplying seed grain using a movable device, which is part of a machine for spotting seed.

State of the art

Modern technology for performing precision sowing includes a device for individual dosage of the number of seeds. Means for sowing individual grains may be in the form of a drum, disk, or similar in geometry rotating equipment with a perforated surface. The difference in air pressure on both sides of the perforated surface ensures the capture of seeds. Seeds are fed to the holes in the direction of the air pressure drop.

There are a number of means for transporting seed for sowing separately. The most advanced solution is the moving layer, which is described in patent documentation EP 1754406. The device described in this document has the disadvantage that the seeds directly hit the dispenser, as well as strong swirling and rejection of the seeds from the dispenser. Another disadvantage is the random movement of seeds to the meter, which does not provide synchronized metering of seeds or a significantly reduced difference between the speed of passage of various seeds and the speed of operation of the meter, which leads to poor adhesion of seeds to the meter.

Another device for supplying seed grain for sowing separately is given in patent documentation DE 10140773. This device also does not provide synchronization of the feed rates of the seeds and the operation of the metering device, which also leads to poor adhesion of seeds to the metering device.

Based on the foregoing, in relation to modern technical equipment, it becomes clear that the main disadvantage is that there is no device that provides adjustment of the seed feed rate to the metering device, or which at least partially equalizes the seed feed rate and the peripheral (peripheral) metering speed.

The technical problem, which this utility model is aimed at, is to create a device that would be able to provide an orderly supply of seed to the meter so that the seed feed speed and the peripheral (peripheral) meter speed are partially or completely synchronized.

Utility Model Essence

The above disadvantages are largely eliminated, and the purpose of this utility model is realized through the device for feeding seeds, especially seed material, to a mobile dispenser. According to a utility model described herein, it includes at least one feed device designed to provide an orderly seed delivery, which consists of an air injector, a mixing zone, and a diffuser.

The air nozzle, mixing zone and diffuser are advantageously located along a common axis. The dispenser may, for example, be a drum, disc, or tape. The advantage is that the injector is mounted almost tangentially to the dispenser. This significantly increases the indicator of the effectiveness of the location of seeds on the metering body.

Another advantage is that the injector has a seed delivery rate substantially equal to the peripheral (circumferential) speed of the dispenser.

In a more preferred embodiment, the device includes means for controlling the amount of air supplied to the injector and synchronizing the feed rate of the seeds with the peripheral speed of the metering unit. This significantly increases the indicator of the effectiveness of the location of seeds on the metering body. All this also increases, and in a certain period, stabilizes the placement of individual seeds on the metering case.

Another advantage is that the injector and the mixing zone are combined through a prechamber, which is connected to the grain hopper and the zone where the seeds are in suspension. This ensures, firstly, the direction of individual seeds to the dispenser, and, secondly, the return of seeds to the injector in case of interruption in the supply of seed to the dispenser.

The grain hopper is connected to a source of forced air, which is mainly a fan.

The air nozzle is connected to another source of injected air, which is mainly a fan.

A positive quality is that the injector can have a round, or elliptical, or oval, or square, or rectangular section.

According to a utility model, an advantage of the seed grain feeding device is that the difference between the seed feeding speed and the peripheral (circumferential) speed of the metering unit is completely equalized, or at least substantially reduced, while the adhesion of the seed to the metering unit becomes much better . Another advantage is that, under the influence of gravity, seeds that fail to clutch with the metering unit fall back into the injector chamber, where they are again tangentially fed to the metering unit. Thus, additional equipment for seed circulation is not required.

Description of the figures of the drawings

The utility model will be further clarified by the example of the drawings, among which in FIG. 1 schematically shows a side sectional view of a grain conveying device, and FIG. 2 is a perspective view in partial section of the overall arrangement of the seed grain feeding device.

Notation list

1 injector

2 grain

3 vacuum drum

4 dispenser

5 hole

6 source of forced air I

7 bunker

8 air nozzle

9 perimeter

10 source of forced air II

11 zone of grain in suspension

12 mixing zone

13 diffuser

14 prechamber

15 means for removing granules, consisting of two seeds

16 zone suspension of grain

Utility Model Example

The device (Fig. 1, Fig. 2) for feeding the seed 2 to the movable device with the metering unit 4 is a vacuum drum 3 with holes 5 on the surface to capture the seed 2, consists of a number of injectors 1 for holding seeds in the air.

The injectors 1 may have a round, or elliptical, or oval, or square, or rectangular section.

The injectors 1 are mounted practically tangentially to the dispenser 4 and have a seed delivery rate of 2 approximately equal to the peripheral (circumferential) speed of the dispenser 4.

The seed feed device also includes means (not shown) for regulating the air supply to the injectors 1, which aligns the seed feed rate 2 with the peripheral speed of the dispenser 4.

Each injector 1 consists of an air nozzle 8, a mixing zone 12 and a diffuser 13.

The mixing zone 12 is connected to the prechamber 14, which in turn is connected to the grain hopper 7 and the zone 16 for the seeds to be suspended.

The hopper 7 is connected to a source 6 of pumped air, which is a fan.

The air nozzle 8 is connected to an additional source 10 of charge air, which is a fan.

A device for supplying seed grain 2 to the movable metering unit 4 includes a means 15 for removing granules consisting of two seeds 2.

The device for supplying seed grain 2 works so that individual grains 2 under the influence of gravity fall from the hopper 7 into the air nozzle 8, where they receive acceleration due to the air flow from the additional source 10 of injected air in the direction of gravity, which is tangential to the circumference metering unit 4. Thus, the seeds 2, which received acceleration and ordering, have a speed and direction of movement identical to or close to the peripheral (peripheral) speed 9 and the direction of the metering unit 4, and easily fall into a verst 5 located along the perimeter of the vacuum drum 3 of the dispenser 4.

The speed of movement of the seed 2 is controlled by the amount of air supplied from the air injection source 10, and the shape of the air nozzle 8. The seed that fails to enter the clutch with the metering 4, by gravity falls back into the prechamber 14 of the injector 1, where tangentially fed to dispenser 4.

Industrial application

The seed grain feeding device can mainly be used for spotted sowing of seed material.

Claims (10)

1. A device for supplying seed grain to a movable metering device, characterized by the presence of at least one injector to ensure an orderly movement of grains, which includes an air nozzle, a mixing zone, a diffuser and a vacuum drum with holes for capturing the seed. 2. The device according to claim 1, characterized in that the injector is mounted practically tangentially to the dispenser. 3. The device according to any one of claims 1, 2, characterized in that the injector has a speed of issuing grains approximately equal to the peripheral speed of the dispenser. 4. The device according to claim 1, characterized in that the mixing zone is connected to the prechamber. 5. The device according to claim 4, characterized in that the prechamber is connected to the loading hopper. 6. The device according to any one of paragraphs.4, 5, characterized in that the prechamber is connected to the zone in which the grain goes into suspension. 7. The device according to claim 5, characterized in that the hopper is connected to a source of injected air. 8. The device according to any one of claims 1, 2, 4, 5, 7, characterized in that the air nozzle is connected to a source of injected air. 9. A device according to any one of claims 1, 2, 4, 5, 7, characterized in that it comprises means for controlling the amount of air that is supplied to the injector and synchronizing the feed rate of grain with the peripheral speed of the dispenser. 10. The device according to any one of claims 1, 2, 4, 5, 7, characterized in that the injector has a round, or elliptical, or oval, or square, or rectangular section.

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