Seeding disc
The seeding disc enhances seed sowing quality and filling efficiency by incorporating a guide groove in the seed cells to facilitate seed transport and unloading.
Patent Information
- Authority / Receiving Office
- RU · RU
- Patent Type
- Utility models
- Current Assignee / Owner
- FEDERALNOE GOSUDARSTVENNOE BYUDZHETNOE OBRAZOVATELNOE UCHREZHDENIE VYSSHEGO OBRAZOVANIYA NATSIONALNYJ ISSLEDOVATELSKIJ MORDOVSKIJ GOSUDARSTVENNYJ UNIV IM N P OGAREVA (FGBOU VO MGU IM N P OGAREVA)
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-09
AI Technical Summary
Existing seeding discs suffer from low efficiency in sowing uncalibrated encapsulated seeds, damage to seed material due to sharp edges, insufficient seed filling, and decreased filling with increased disc speed.
The design features seed cells with a guide groove extending across the width and depth of the cylindrical portion, intersected by an annular groove for the ejector, allowing seeds to enter and be transported to the unloading area.
Improves seed sowing quality and increases seed filling efficiency by guiding seeds through the groove in the direction of disc rotation.
Smart Images
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Abstract
Description
[0001] The utility model relates to agricultural engineering and can be used in sowing agricultural crops.
[0002] Russian Federation patent for utility model No. 217809 "Cellular disc of a sowing apparatus for encapsulated seeds", IPC A01C 7 / 04, published 03 / 19 / 2023, is known, containing stepped cells of a cylindrical shape, the upper half has a diameter equal to 1.8 of the capsule diameter, and the lower half - 1.1 of the capsule diameter.
[0003] The disadvantage of the well-known cellular disc is the low efficiency of sowing uncalibrated encapsulated seeds, in addition, the sharp edges of the cells damage the seed material.
[0004] Russian Federation Patent for Utility Model No. 124524, "Seed Disk," IPC A01C 7 / 04, published February 10, 2013, contains seed cells evenly spaced along its end surface. These cells are formed as rotating bodies, the bottom of which is intersected by an annular groove for an ejector. A conical groove is formed on the end surface of the disk, in which seed cells are formed, each of which has an annular groove, the edge of each of which is chamfered at an acute angle.
[0005] The disadvantage of the known seeding disc is that as the peripheral speed of the disc increases, the degree of filling of the cells with seeds decreases.
[0006] The prototype for the claimed utility model is USSR Patent for Invention No. 1371565 "Seed Disk," IPC A01C 7 / 04, A01C 7 / 16, published February 7, 1988, comprising seed cells evenly spaced along its peripheral surface, cylindrical in the upper portion, the lower portion of which is designed as a body of revolution formed by the rotation of an arc of a circle around the vertical axis of the cell. The bottom of the cell is crossed by an annular groove for an ejector.
[0007] The disadvantage of the known seeding disc is the insufficient quality of seed sowing, due to the presence of gaps due to poor filling of the cells with seed material.
[0008] The technical result consists in improving the quality of seed sowing and improving the filling of cells with seeds due to the fact that the cells have a guide groove in the direction of rotation of the disk.
[0009] The technical result is achieved by a seed disc containing seed cells evenly spaced along its peripheral surface. The upper portion of the cells is cylindrical, while the lower portion is a rotating body formed by the rotation of a circular arc around the cell's vertical axis. As the disc rotates, the cells have a guide groove extending across the width and depth of the cylindrical portion. The bottom of the cell is intersected by an annular groove for the ejector.
[0010] Fig. 1 shows a volumetric model of the seeding disc (general view of the seeding disc from the outside), Fig. 2 shows a volumetric model of the seeding disc (side view), Fig. 3 shows a section I - I of the seeding disc (unit I in Fig. 1).
[0011] The seeding disc contains seed cells 1, evenly spaced along its peripheral surface. The upper portion of the cells is cylindrical, while the lower portion is a body of revolution formed by the rotation of a circular arc around the cell's vertical axis. As the disc rotates, the cells have a guide groove 2 extending the width and depth of the cylindrical portion. The bottom of the cell is crossed by an annular groove 3 for the ejector (not shown in the drawing).
[0012] The seeding disc operates as follows. As the disc rotates and the corresponding cells pass through the hopper (not shown in the drawing), the seeds enter the cylindrical portion of seed cell 1 through groove 2, then through its lower portion and are transported to the unloading area, where they freely fall out through interaction with the ejector located in the annular groove 3.
[0013] Technical result: the proposed design of the seeding disc allows for an increase in the quality of seed sowing and an improvement in the filling of the cells with seeds due to the fact that the seed cells have a guide groove at an acute angle in the direction of rotation of the disc.
Claims
A seeding disc containing cells for seeds, uniformly distributed on its peripheral surface, made in the form of a cylinder, the upper part of which is made in the form of a cylindrical shape, and the lower part in the form of a body of revolution formed by the rotation of an arc of a circle around the vertical axis of the cell, the bottom part of the cell for seeds is crossed by an annular groove for an ejector, characterized in that, in the direction of rotation of the disc, the cells for seeds have a guide groove at an acute angle along the width and depth of its cylindrical part.