CN206728561U - A kind of maize bud kind hole tray feed mechanism for seed - Google Patents

Abstract

The utility model relates to a seed metering device for corn bud seeds, which relates to a seeder part for seed guiding and sowing, including a housing, a socket roller and a seed cleaning device, and a cylindrical socket is installed in the casing horizontally through a rotating shaft. The side wall of the socket drum is provided with multiple concave seeding grooves parallel to its bottom surface, and each seeding groove is evenly distributed with a plurality of sockets of equal number; The side of the drum is equipped with a seed protection plate that matches the arc surface of the side wall of the pocket drum; a seed cleaner that matches the seed trough is installed under the pocket drum inside the shell; There are seed openings with outlets facing the ground. The seed metering device for corn bud seed trays of the utility model adopts the design of the brush wheel and the seed cleaning device matched with the seed trough, which can scrape away the redundant seeds in time and make the seeds fall accurately to the required seed row. In the area, a stirrer is installed in the shell, which can improve the fluidity of the seeds and improve the effect of filling seeds.

Description

A seed metering device for corn bud seeds

technical field

The utility model relates to a seeder part for seed guiding and sowing, in particular to a seed metering device for corn bud seed hole trays.

Background technique

my country is a big agricultural country. Corn is the main grain crop after wheat, and its planting area and output rank first in autumn grain crops. Transplanting planting is one of the effective methods to solve the limitation of natural conditions for corn planting in Northeast China, and rapid and precise sowing in pots and then raising seedlings is the basis for realizing transplanting planting. The seed meter is the core working part to realize precision sowing, and its performance directly affects the planting quality of crops and the labor cost of farmers. Existing seed metering devices often have many seeds piled up in one place or there are no seeds in the socket, which will not only cause uneven seed metering, but also adversely affect the development and production of seeds.

Contents of the invention

The purpose of the utility model is to overcome the above problems and provide a seed metering device for corn bud seeds.

The utility model relates to a seed metering device for corn bud seeds, which comprises a housing, a socket roller and a seed cleaner. A cylindrical socket roller is horizontally installed through a rotating shaft in the casing, and the side wall of the socket roller is surrounded by There are multiple concave seed troughs parallel to its bottom surface, and each seed trough is evenly distributed with a number of equal number of pockets; the shell is equipped with a matching pocket roller side wall Arc-shaped seed protection plate; a seed cleaner that matches the seeding trough is provided under the socket drum in the housing; a seed discharge port with an outlet facing the ground is provided at the bottom of the housing directly below the socket drum.

As a further improvement of the utility model, the seed cleaner is composed of a support rod and a plurality of scraping plates, the support rod is fixed horizontally in the housing, and the plurality of seed scraping plates are spaced apart and vertically fixed on the rod body of the support rod. The seed scraping plate is arc-shaped, and its arc surface is matched with the seed-discharging groove and embedded in the seed-discharging groove. One end of the seed-scraping plate is provided with a tip, and the tip is located directly below the socket cylinder and directly above the seed-discharging opening.

As a further improvement of the utility model, a brush wheel parallel to the pocket roller is installed through a rotating shaft above the side of the pocket roller in the casing, and the ends of the bristles of the brush wheel extend into the seed trough.

As a further improvement of the utility model, a stirrer is installed above the socket drum through a rotating shaft in the shell, the stirrer includes a stirring shaft and a stirring wheel, the stirring shaft is installed in the shell horizontally, and a plurality of stirring wheels are coaxially fixed on the on the stirring shaft.

As a further improvement of the utility model, the socket is a cylindrical hole that goes deep along the radial direction of the section circle where it is located.

A seed metering device for corn bud seed trays of the utility model adopts the design of a brush wheel and a seed cleaning device matched with the seed trough, which can scrape away excess seeds in time and make the seeds fall accurately to the required row. In the seed area, a stirrer is installed in the shell, which can improve the fluidity of the seeds and improve the effect of seed filling, and prevent the possibility of seed filling in some sockets due to uneven seed accumulation.

Description of drawings

Fig. 1 is the sectional structural diagram of a kind of corn bud seed plug tray seed metering device of the present utility model;

Fig. 2 is the dismantling diagram of a kind of corn bud seed plug tray seed metering device of the present utility model;

Fig. 3 is a side sectional view of a seed metering device for corn bud seeds in the utility model.

detailed description

Below in conjunction with accompanying drawing, a kind of corn bud seed plug tray seed metering device of the present utility model is further explained:

Example 1

A seed metering device for corn bud seeds in the utility model comprises a casing 1 , a pocket roller 2 and a seed cleaning device 3 .

The above-mentioned casing 1 is installed with a cylindrical socket cylinder 2 transversely through the rotating shaft, and the bottom of the casing 1 is provided with a seed outlet 6 with the outlet facing the ground just below the socket cylinder 2 . The sidewall circumference of the socket cylinder 2 is provided with multiple concave seeding grooves 4, and the seeding grooves 4 should be parallel to the bottom surface of the socket cylinder 2 and arranged at equal intervals in order to ensure the uniformity of seeding. On each seeding trough 4, a plurality of sockets 5 equal in number are evenly distributed, and the sockets 5 are cylindrical holes that go deep into the radial direction of the section circle where they are located. The sockets 5 should be symmetrical with the center line of the seeding trough 4, And the diameter of its section is greater than the width of the seeding groove 4 .

Two baffles 14 may be provided above the two sides of the eyelet cylinder 2 in the housing 1, and the two baffles 14, the eyelet cylinder 2 and the two side walls of the housing 1 form a relatively sealed space , can limit the storage range of seeds, control the seeds within the specified filling range, and ensure the filling effect.

The shell 1 is provided with a seed protection plate 13 matching the arc surface of the side wall of the socket drum 2 on the side of the socket drum 2. When the seeds run to the side and fall due to gravity, they can play a blocking role, and the seeds are blocked in the sockets 5 .

The housing 1 is provided with a seed cleaner 3 that matches the seed trough 4 below the socket cylinder 2. The seed cleaner 3 is composed of a support rod 7 and a plurality of seed scraping plates 8, and the support rod 7 is laterally fixed on the In the housing 1, the number of seed scraping plates 8 equal to the number of seeding grooves 4 are spaced apart and vertically fixed on the rod body of the support rod 7. The above-mentioned seed scraping plates 8 are arc-shaped, and the arc on the side near the seeding groove 4 The surface matches the radian of the seeding groove 4 and is embedded in the seeding groove 4 (it can slide relatively along the seeding groove 4), and a tip is provided at one end of the seed scraping plate 8 for picking out seeds, and the tip is located in the nest Just below the eye roller 2 and just above the seed opening 6.

Example 2

A seed metering device for corn bud seeds in the utility model comprises a casing 1 , a pocket roller 2 and a seed cleaning device 3 .

The above-mentioned casing 1 is installed with a cylindrical socket cylinder 2 transversely through the rotating shaft, and the bottom of the casing 1 is provided with a seed outlet 6 with the outlet facing the ground just below the socket cylinder 2 . The sidewall circumference of the socket cylinder 2 is provided with multiple concave seeding grooves 4, and the seeding grooves 4 should be parallel to the bottom surface of the socket cylinder 2 and arranged at equal intervals in order to ensure the uniformity of seeding. On each seeding trough 4, a plurality of sockets 5 equal in number are evenly distributed, and the sockets 5 are cylindrical holes that go deep into the radial direction of the section circle where they are located. The sockets 5 should be symmetrical with the center line of the seeding trough 4, And the diameter of its section is greater than the width of the seeding groove 4 .

Two baffles 14 may be provided above the two sides of the eyelet cylinder 2 in the housing 1, and the two baffles 14, the eyelet cylinder 2 and the two side walls of the housing 1 form a relatively sealed space , can limit the storage range of seeds, control the seeds within the specified filling range, and ensure the filling effect.

Inside the casing 1, within the seed filling range, that is, a brush wheel 9 parallel to the pocket roller 2 is installed through a rotating shaft above the side of the pocket roller 2, and the ends of the bristles of the brush wheel 9 extend into the seed trough 4, Can clean up redundant seeds in the seeding tank 4,

Inside the housing 1, within the seed filling range, that is, above the pocket drum 2, an agitator 10 is installed through a rotating shaft. The agitator 10 includes an agitating shaft 11 and an agitating wheel 12. The two stirring wheels 12 are coaxially fixed on the stirring shaft 11, and the stirrer 10 is used to stir the seeds evenly to maintain fluidity and ensure the effect of filling seeds.

The shell 1 is provided with a seed protection plate 13 matching the arc surface of the side wall of the socket drum 2 on the side of the socket drum 2. When the seeds run to the side, they fall due to gravity, which can play a blocking role and block the seeds in the sockets 5 .

The housing 1 is provided with a seed cleaner 3 that matches the seed trough 4 below the socket cylinder 2. The seed cleaner 3 is composed of a support rod 7 and a plurality of seed scraping plates 8, and the support rod 7 is laterally fixed on the In the housing 1, the number of seed scraping plates 8 equal to the number of seeding grooves 4 are spaced apart and vertically fixed on the rod body of the support rod 7. The above-mentioned seed scraping plates 8 are arc-shaped, and the arc on the side near the seeding groove 4 The surface matches the radian of the seeding groove 4 and is embedded in the seeding groove 4 (it can slide relatively along the seeding groove 4), and a tip is provided at one end of the seed scraping plate 8 for picking out seeds, and the tip is located in the nest Just below the eye roller 2 and just above the seed opening 6.

In all the above-mentioned embodiments, the socket cylinder 2, the brush wheel 9, and the agitator 10 are all driven to rotate by a power mechanism installed in or outside the device.

A kind of seed metering device for corn bud seeds of the utility model, its specific use method is as follows:

The device is installed on agricultural machinery such as a seeder, and the motor is installed on the device or the drive mechanism of the agricultural machinery is used for transmission and coupling so that the socket cylinder 2, the brush wheel 9 and the agitator 10 can rotate. When the agricultural machinery moves, the The pocket roller 2 of the device rotates to fill the seed trough 3 and the pocket 5 with seeds, and continues to rotate with the seeds. After passing through the brush wheel 9, the excess seeds in the seed trough are brushed away until it rotates to the top of the seed trough 6. The seeds are picked out by the seed cleaner 3 and fall into the seeding area (in the field or in the bowl) through the seeding port 6 due to gravity, and the seeding is completed. Multi-row seeding only needs to be reciprocated.

Claims (5)

1. a kind of maize bud kind hole tray feed mechanism for seed, including housing（1）, pocket roller（2）And cleaning device（3）, it is characterised in that shell Body（1）It is interior that columned pocket roller is horizontally installed with by rotating shaft（2）, the pocket roller（2）Side wall ring week be provided with multiple tracks Parallel to the seed distributing groove of the indent of its bottom surface（4）And per pass seed distributing groove（4）On be evenly distributed with the equal multiple pockets of quantity （5）；Housing（1）It is interior in pocket roller（2）Side be provided with matching pocket roller（2）The seeds protecting plate of side wall cambered surface（13）；Housing （1）It is interior in pocket roller（2）Lower section be provided with and seed distributing groove（4）The cleaning device being engaged（3）；Housing（1）Bottom in pocket Roller（2）It is arranged right below sowing port of the outlet towards ground（6）.

A kind of 2. maize bud kind hole tray feed mechanism for seed according to claim 1, it is characterised in that cleaning device（3）It is by support bar （7）With multiple seeds scrapers（8）Form, support bar（7）It is fastened transversely to housing（1）Interior, multiple seeds scrapers（8）It is spaced and vertical solid Due to support bar（7）The body of rod on, described seeds scraper（8）For arc, its cambered surface and seed distributing groove（4）Match and be embedded in seed distributing groove （4）In, seeds scraper（8）One end be provided with tip, the tip and be located at pocket roller（2）Underface and sowing port（6）Surface.

A kind of 3. maize bud kind hole tray feed mechanism for seed according to claim 1, it is characterised in that housing（1）It is interior in pocket roller （2）It is provided with and pocket roller by rotating shaft above side（2）Parallel bristle brush wheel（9）, the bristle brush wheel（9）The end of bristle prolong Extend seed distributing groove（4）It is interior.

A kind of 4. maize bud kind hole tray feed mechanism for seed according to claim 1, it is characterised in that housing（1）It is interior in pocket roller （2）Top agitator is provided with by rotating shaft（10）, the agitator（10）Including agitating shaft（11）And stirring wheel（12）, stirring Axle（11）It is horizontally installed in housing（1）It is interior, multiple stirring wheels（12）Coaxially it is fixed on agitating shaft（11）On.

A kind of 5. maize bud kind hole tray feed mechanism for seed according to claim 1, it is characterised in that pocket（5）It is to be cut along where it Face diameter is to deep cylindric hole.