SU1001885A1 - Intermittent-line sowing machine sowing apparatus - Google Patents

Description

The invention relates to agricultural machinery, in particular, to sowing machines for sowing machines intended for dotted sowing of seeds of various agricultural crops and fertilizers.

; A sowing apparatus is known, which contains a disk, on the surface of which there are cells for a material (for example, seeds) of constant volume. The disk was installed under the material bin (seed or fertilizer) and from the direction of rotation of the disk it was covered with a ring rim. The material is captured by the cells and, when the disk rotates, is transported to the bottom of the disk - to the place of discharge, while the guide rim keeps the material from spilling out of the Cll cells. The disadvantage of the known device is the limited use due to the constant volume of the cells of the seed disc. The constant volume of the cells makes it impossible to change the seeding rate of the material. In addition, if the cell size is selected for a particular crop, such as large-sized corn, this size is not suitable for seeding.

small-sized seeds, for example seMiaH vegetable crops.

The closest technical solution of the known ones is a sowing apparatus for sowing machines of dotted sowing, including a hopper with an unloading hole, a sowing disc vertically mounted under it with a central aperture and cells on a cylindrical surface in which the elastic material inserts are fixed, and installed (equi drive guide rim.

 The disadvantage of this device is the fact that (IT requires significant operating costs at 2Q change in the seeding rate, as well as the fact that it can cause injury to individual seeds with a rim.

The purpose of the invention is to simplify maintenance and reduce injury to seeds.

25

The goal is achieved by the fact that the known sowing apparatus is supplied with an overpressure source, which is connected to the central opening of the seed disc, and in the latter

thirty

Claims (2)

The ring-chamber communicating with the cells and the channel connecting it with the central opening are completed. Such an embodiment of the device makes it possible to change the volume of inserts in the cells, and consequently, reduce the time spent on reconfiguring the apparatus and reduce the variability of seed damage. The drawing shows a diagram of the exiting apparatus, side view. The metering device contains a hopper 1 with a discharge opening 2 and a seed disc 3 mounted under it with a central opening 4 and cells 5 on a cylindrical surface, and cells 5 are fixed with inserts 6 made of elastic material in the form of corrugated cups. An equidistant disk 3 is provided with a guide rim 7 to prevent seeds from falling out of the cells 5. The apparatus is provided with an overpressure source (not shown) that is connected to the central hole 4. The ring chamber communicating with the cells 5 and the channel is filled in the seed disk 3. 9 a connecting annular chamber 8 with a central opening 4. The cells 5 are evenly arranged around the circumference. To securely fill the seeds in the hopper 1 and at the exit of the hopper 1, the rotor-rotator 10 is installed and rotating in the opposite direction to rotation of the roller 3 roller 11. The air from the source of overpressure enters the chamber 8 through the nipple 12. The sown material is supplied to the cable flue 13. The device works in the following manner. When the sowing disk 3 rotates in the direction shown by the arrow in the drawing, the cells 5, which are located on the part of the disk 3, embedded in the bunker 1, are filled with material. At the same time, the rotary rotor 10 provides protection from clogging of the cells 5. The cell volume 5 is established by squeezing the liner 5 made of an elastic material along the cell 5 by supplying pressurized air to the annular chamber 8 through the central hole and nipple 12 from a source of compressed gas. The pressure value is selected depending on the desired cell size 5, corresponding to the type of material being sown and the seeding rate. Roller 11, rotate-. cushioning in the direction opposite to the direction of rotation of the seed disc 3, trim the material, which is located above the throat of the cell 5 coming out from under the bunker, flush with the outer surface of the seed disc 3. Next, the portions of the material enclosed in the cell 5 are transported to the cable 13, and Seeding material is carried out. The material from spilling is kept by the guide rim 7. The invention allows to simplify the device by reducing the replaceable sowing disks required for ensuring universal application of the sowing machine or sowing various types of materials and different seeding rates, as well as reducing the seeding h. The invention The sowing machine for sowing machines of dotted seeding, which includes a hopper with an unloading hole, a vertically mounted sowing disk with a central hole and cells on a cylindrical surface, in which elastic material inserts are attached, and a guide rim mounted equidistantly to the disk, differing in order to simplify maintenance and reduce injury to seeds, it is provided with an overpressure source, which is connected to a central sowing hole present disc, and in the latter are made to mesh with informing the annular chamber and connects the central bore with its channel. Sources of information taken into account in the examination 1.Patent of France 1461896, cl. A 01 C, 1965. 2. The patent of Germany 1270874, cl. 45 В 7/04, 1961 (prototype).