JPS63177713A - Seeding roll in seeder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a seeding roll used in a seeding machine for raising seedlings.

(Prior Art) Conventionally, as a seedling-raising seeding machine, the one shown in FIG. 6 is known. This seeding machine has a hopper 27 and a seeding roll 28 arranged above the conveyor 2 of the seedling raising box 1, and a rotating brush 30 above the seeding roll 28 for adjusting the amount of seeds entering the seed receiver 29. A guide path 32 for guiding the seeds to the seed receiver 29 is formed between the lower opening 31 of the hopper 27 and the seeding roll 28, and by the rotation of the seeding roll 28, the seeds are transferred. It is configured so that a fixed amount of seeds are delivered onto the bed soil in the seedling raising box 1, and the seed receiver 29 is shaped like a groove parallel to the roll axis (see FIG. 7).

(Problems to be Solved by the Invention) In the above prior art, the seed receiving portion 2 of the sowing roll 28
Since the shape of 9 is groove-like, if the seeds are spherical or similar in shape, this will not affect the adjustment of the amount of seeds by the rotating brush 30. For seeds, depending on the orientation of the seeds entering the seed receiver 29, the adjustment of the amount of seeds by the rotating brush 30 is affected, making it impossible to ensure the optimum amount of sowing. In other words, the ideal position is for the seeds to enter horizontally in the groove-shaped seed receiver 29 in a parallel manner; There is a problem in that the amount of seeds becomes non-uniform, and seeds that are pushed in excessively by the rotating brush 30 or entered vertically are released from the seed receiver 29, further increasing the variation in the amount of seeds. Also,
When seeds fall from the sowing roll 28 onto the bed soil in the seedling nursery box l, if the seeds are in a vertical orientation, there is a high probability that the seeds will be scattered on the bed soil, resulting in uneven sowing, resulting in stuffy seedlings and missing seedlings. There is the problem of creating stocks.

(Means for Solving the Problems) The present invention has been made to solve the above problems, and the specific configuration of the problem solving means is such that while the seedling box 1 is being transported by the transport conveyor 2, the seeds are In a seeding machine that sows seeds onto a soil bed by rotating a seeding roll 28 having a receiving portion 29 formed on its outer peripheral surface, the seed receiving portion 29 of the seeding roll 28 has a plurality of rows parallel to the roll axis. Consisting of grooves,
A feature is that a concave portion 45 or a convex portion parallel to the seed receiving portions 29 is formed on the outer circumferential surface 28A of the roll between the seed receiving portions 29.

(Function) The seeds supplied from the hopper 27 hit the rotating seeding roll 28, are caught in the concave portion 45 or the convex portion, are turned sideways, and enter the seed receiving portion 29, where each seed are lined up in an orderly manner in a horizontal position within the seed receiver 29, the amount of seeds is properly adjusted by the rotating brush 30, and the seeds are not forcefully pushed in or removed, and each seed is placed in a horizontal position while the seedlings are being raised. They are rolled out onto the soil floor inside Box 1 and lined up in an orderly manner.

(Example) Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

First, the fifth section regarding the seeding equipment for raising seedlings to which the present invention is adopted.
This will be explained with reference to the figures.

This seeding equipment is roughly divided into a conveyor 2 on which the seedling raising boxes 1 are placed and conveyed, a support pedestal 3 of the conveyor 2, and a conveyor 2 that is placed on the support pedestal 3 and straddles the seedling box transfer path of the conveyor 2. Floor earth machine 4, rotating brush device 5, irrigation system N
6, a seeding machine 7 and a soil covering machine 8.

The support pedestal 3 has a pair of parallel frames 9 on the left and right sides and a plurality of support legs 10.

The conveyor 2 includes a large number of roller shafts 11 and rollers 12 that are pivotally supported at intervals between a pair of left and right frames 9, and a sprocket 14 and a chain wheel that transmit power from a motor 13 (to be described later) to all the rollers 12. It consists of 15 mag.

The floor machine 4 has a belt conveyor 1 parallel to the conveyor 2.
6 and a hopper 17 above the belt conveyor 16, the belt conveyor 16 receives power from the conveyor 2 through a chain transmission means 18, and is configured to supply seedlings on the floor into the nursery box 1 in synchronization with its movement. ing.

Reference numeral 19 denotes a gate member that adjusts the size of a discharge port 20 formed between the opening edge of the hopper 17 and the belt conveyor 16 to adjust the amount of soil to be supplied above the floor.

The rotating brush device 5 is disposed in front of the bed machine 4 in the direction of transporting the seedling box, and is used to level the upper surface of the bed placed in the seedling box 1 and remove excess soil to a predetermined amount. 3
Both shaft ends of a rotating brush 22 are mounted on a support frame 21 provided on a frame 9, and power is transmitted to the rotating brush 22 from the roller shaft 11 by a chain transmission means 23 or the like. It is configured.

The irrigation device 6 is located below the water supply pipe 24 communicating with the water pipe.
A water sprinkling plate 25 is pivotally supported so as to be able to swing freely, and is designed to spray a predetermined amount of water approximately evenly onto the floor of the seedling growing box 1.

The seeding machine 7 mainly includes a plate-shaped support frame 26 on both left and right sides fixed to the frame 9, a hopper 27 detachably arranged on the support frame 26, and a support frame 26.
A rotary brush 30 that adjusts the amount of seeds that have entered the groove-shaped seed receiver 29 of the sowing roll 28 and the sowing roll 28 that are pivotally supported between the sowing roll 28 and the lower opening 31 of the hopper 27 and the sowing roll 2.
8, a guide path 32 that guides the seeds to the sowing roll 28, a motor 13, and a transmission device 33.

The soil covering machine 8 has the same structure as the above-mentioned floor machine 4, and is connected to the belt conveyor 35 via the chain transmission means 34 from the conveyor 2.
The soil in the hopper 36 is spread through the soil discharge port 37 onto the seeds in the seedling raising box 1 to cover them with soil.

A drive gear 39 is wedged on the reducer output shaft 38 of the motor 13, and a transmission gear 40 of the transmission mechanism 33 is meshed with the gear 39.
Chain transmission means 4 with sprocket 42 wedged on 1
Power is transmitted to the roller shaft 11 of the conveyor 2 via 3.

The above-mentioned seedling-raising sowing equipment has approximately the same structure as the conventional one, but the sowing roll 28 has a groove-shaped seed receiver 29 that is connected to the roll outer peripheral surface 28, as shown in FIGS. 1 to 4. Eighth,
A large number of strips are provided at equal intervals parallel to the roll shaft 44,
On the outer peripheral surface 28A of the roll between the seed receivers 29, four groove-shaped portions 45 are formed which are parallel to the seed receivers 29 and whose depth and width are much smaller than those of the seed receivers 29. Also,
The sowing roll 28 has a number of circumferential seed scraper grooves 46 arranged at equal intervals between the seed receivers 29, and a comb-shaped scraper 47 is inserted into the seed scraper grooves 46 at the seed feeding position. , all the seeds in the seed receiving part 29 are completely drawn out.

The recess 45 is located in the hopper 2 as shown in FIG.
The sowing roll 2 slides along the guide path 32 from the lower opening 31 of 7.
The seeds S supplied on the seed tray 8 are caught in the cough recess 45, turned over, and enter the seed receiver 29 in a sideways state.

Therefore, unlike conventional seeding rolls, the seeds that come into contact with the smooth outer circumferential surface of the roll do not slide along the outer circumferential surface of the roll and enter the seed receiving part 29 vertically, but all of the seeds are placed vertically. The seeds S are arranged sideways in the seed receiver 29 in an orderly manner. When the seeds S enter the seed receiving part 29 in a horizontal position in this way, the bristles of the rotating brush 30 come into sliding contact with each other, but the rotating brush 30 does not forcefully push the seeds S, and the excess seeds are returned. Adjustment of the set amount of seeds is performed with high precision.

Further, since the seeds are in a horizontal orientation when being fed out from the seeding roll 28, when they fall onto the soil floor of the seedling raising box 1, they are not scattered and are arranged side by side in an orderly manner.

In the above embodiment, the seed receiver 29 of the sowing roll 28
One groove-like recess 45 was provided between each, but the size and size of the seeds
Two or more strips may be provided depending on the shape, and the same function can be achieved by providing one or more protrusions, such as one or more protrusions, in place of the recess 45. Furthermore, it is preferable that dimensions such as the shape, width, and depth of the recessed portion 45 are changed as appropriate depending on the type, shape, and size of the seeds. Also, regarding the shape and dimensions of the seed receiving portion 29, the type, shape, and size of the seed are determined similarly to the recessed portion 45.
The optimal design should be made depending on the size.

(Effects of the Invention) As described above, the sowing roll 28 according to the present invention has four portions 45 or convex portions parallel to the seed receiving portions 29 on the outer peripheral surface 28A of the roll between the seed receiving portions 29. roll 2
The seeds S that have entered vertically on the top of the seed tray 8 are caught in the recess 45 and enter the seed receiving part 29 in a horizontal state.
The seeds placed in the seedlings can be turned sideways and fed onto the soil bed inside the seedling box l in the sideways position, and since the seeds are not scattered, there is no variation in the sowing condition, and the rotary brush 30 Improves the accuracy of seed amount adjustment,
It is possible to secure the optimum amount of sowing and eliminate the occurrence of stuffy seedlings and missing plants.

[Brief explanation of the drawing]

1 to 5 show examples of the present invention, in which FIG. 1 is a front view of the seeding roll, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. 4 is a partial perspective view for explaining the operation, and FIG. 5 is a side view showing the overall configuration of the seeding equipment.
FIG. 6 is a diagram illustrating a conventional technique of a seeding machine, and FIG. 7 is a front view showing one of the conventional examples of a seeding roll. DESCRIPTION OF SYMBOLS 1... Seedling raising box, 2... Conveyor, 28... Seeding roll, 28A... Roll outer peripheral surface, 29... Seed receiver, 45... Four parts.

Claims (1)

[Claims] (1) While transporting the seedling box 1 by the transport conveyor 2,
In a seeding machine that sows seeds onto a soil bed by rotating a seeding roll 28 having a seed receiving portion 29 formed on its outer peripheral surface, the seed receiving portion 29 of the seeding roll 28 is arranged in a plurality of rows parallel to the roll axis. A seeding roll for a seeding machine, characterized in that a concave portion 45 or a convex portion parallel to the seed receiving portion 29 is formed on the outer circumferential surface 28A of the roll between the seed receiving portions 29.