JPH0751851Y2 - Seeding equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a seeding device, and more particularly, to a seed disc having a large number of seed adsorbing holes arranged in a fixed array automatically to ensure one seed per adsorbing hole. The present invention relates to a seed adsorbing device for adsorbing.

[Prior Art] A seeding device has an adsorption device for adsorbing seeds on an adsorption disc. The suction cup that has finished adsorbing the seeds is moved to above the constant-sequence seed bed, and by releasing the adsorption, the seeds are dropped onto the seed bed and seeding is performed.

Conventionally, in order to adsorb a seed to an adsorption disc having a large number of seed adsorption holes arranged in a fixed array, a method of causing seeds collected at a fixed position to flow by vibration or the like and aspirating the adsorption disc is often used.

[Problems to be Solved by the Invention] However, the conventional seeding device has the following problems.

(A) To prevent the seed adsorption to the adsorption disk due to friction between seeds becoming uncertain, even if a flow is given to the seed group by shaking, friction still remains between the seeds and the seeds are adsorbed. Some seed adsorption holes may remain.

(B) A vibration generator is required, and the device becomes large. Further, since the suction plate comes from above to be adsorbed by the seeds flowing due to the vibration and is adsorbed, an ascending / descending mechanism is required and the apparatus becomes complicated.

(C) Since a part of the device vibrates, a person may come in contact with it in order to ensure the adsorption, and if a large amount of vibration is transmitted to a person's hand during long-term use, it may cause a health problem. is there. In addition, noise is generated by the vibration.

These problems result from the fact that the natural law used for seed flow in conventional adsorption devices was vibration.

The present invention changes the natural law used for seed flow from conventional vibration to flow down by gravity of the seed, and there is no vibration,
An object of the present invention is to provide a seeding device capable of reliably adsorbing one seed per one seed adsorption hole for all seed adsorption holes.

[Means for Solving the Problem] According to the present invention, the above object is achieved by the following seeding device. That is, a seed box in which the seed grains are placed; a seed box having a large number of seed adsorption holes of a predetermined arrangement, which can take an inclined posture in which the seeds flow down by gravity, and which adsorbs the seed grains released from the seed box. Disc; a collection box for collecting non-adsorbed seeds that cannot be adsorbed by the adsorption disc and falls; a duct extending from the collection box to the sowing box; a non-adsorption seed in the collection box provided on the way of the duct From an air-feeding device that air-feeds the seeds to the seeding box; a microfilter that releases air pressure provided in the seeding box; a sensing device that confirms that the seeds have been adsorbed at a predetermined position on the adsorption plate; A seeding device comprising:

[Operation] In the seeding device of the present invention, the seeds released from the seeding box fall on the suction plate and flow down by its own weight along the surface of the suction plate. One seed per one adsorption hole is adsorbed. The non-adsorbed seeds that could not be adsorbed by the adsorber and fell down are collected in the collecting box and returned to the sowing box by the idling device via the duct. The adsorption action is continued until the sensing device confirms that all the seed adsorption holes have adsorbed the seeds. The pressure from the pneumatic device is released by the microfilter.

[Embodiment] Hereinafter, a preferred embodiment of the seeding device according to the present invention will be described with reference to the drawings.

As shown in FIG. 1, the seeding device includes a seeding box 2, a suction cup 4, a collecting box 6, a duct 8, an air feeding device 10, a micro filter 12, and a sensing device 14.

The sowing box 2 is a box for putting seed grains and has a seed outlet at the lower end.
Have 16. As shown in FIG. 2, the seed box 2 is movable in the left-right direction of the suction cup 4, and is reciprocated between the left-right ends of the suction cup 4 by a moving device (not shown).

The suction plate 4 is composed of a box having a hollow inside. By contacting a suction device (not shown), the suction space 4 can be kept at a pressure lower than atmospheric pressure. It can be atmospheric pressure. As shown in FIG. 2, the suction plate 4 has a large number of seed suction holes 18 having a predetermined arrangement. As shown in FIG. 3, the seed adsorbing holes 18 connect the surface of the adsorbing disc 4 and the internal cavity to each other, and select one size of seeds flowing down on the surface of the adsorbing disc 4. Adsorption is performed at a rate of one seed per adsorption hole 18. Adsorption board 4
Can take an inclined posture in which the seed flows down along the surface by gravity. The suction plate 4 has a whole seed suction hole 18
When the seeds have absorbed seeds, the seed bed (see
It is moved to a floor that is partitioned with the same arrangement as 18 and is laid with soil or cotton impregnated with nutrients, and is rotated so that the seed adsorption surface faces downward, stopping adsorption, The seeds that have been adsorbed until then can be dropped onto the seed bed.
The surface board 4a of the suction board 4 can be replaced.

As shown in FIG. 1, the collecting box 6 is provided along the lower end of the suction cup 4 in the inclined posture, and as shown in FIG. It consists of a container that extends to the left and right of the suction cup and opens upward. The non-adsorbed seeds that could not be adsorbed by the adsorption disk 4 and flowed down enter the collecting box 6 and are collected.

The duct 8 extends from the collecting box 6 to the seeding box 2.

The idling device 10 is provided along the duct 8 and idly feeds the non-adsorbed seeds in the collecting box 6 to the sowing box 2. The air-delivery device 10 is the fourth
It consists of a transvector as shown. More specifically, a main passage 20 having a Venturi-shaped portion passing through the air flow and seeds, a nozzle 22 provided so as to surround the main passage 20, and an annular air chamber 24 for sending compressed air to the nozzle 22 are provided. By ejecting compressed air from the nozzle 22 into the main passage 20 toward the downstream side, a flow having an increased flow rate is generated in the main passage 20 and the seeds are fed by air.
Since there is no rotary blade in such an air-feeding device 10, the blade does not hit the seed and damage the seed.

The microfilter 10 is provided in the seeding box 2 as shown in FIG. 1, and releases the air pressure generated by the air feeding device 10. The roughness of the eyes of the micro filter 10 is finer than the size of the seed so that the seed does not pass through the micro filter 10 to the outside. The microfilter 10 is easily composed of, for example, a mesh having fine meshes, or a laminate thereof. In the apparatus shown in FIG. 1, the microfilter 10 is provided on the upper part of the sowing box 2 and can be opened, and when the seeds are put into the sowing box 2, the lid functioning as the microfilter 10 is opened and put.

As shown in FIG. 1, the sensing device 14 is provided facing the seed adsorption surface of the sowing box 2 and separated from the seed adsorption surface. As shown in FIG. 2, the sensing device 14 is movable in the left-right direction of the suction disc 4, and is reciprocated in the left-right direction of the suction disc 4 by a moving device (not shown). The sensing device 14 is a device for detecting and confirming that seeds are adsorbed at a predetermined position of the adsorption disc 4, and has a camera, for example, and displays a row of seed adsorption holes 18 arranged vertically. The image and the previously stored non-adsorbed seed adsorption holes are compared in shape, color, etc. to determine whether the seed adsorption holes 18 adsorb the seeds and determine whether seed adsorption has occurred. It consists of a device for outputting. Until the sensing device 14 scans the all-seed adsorption holes 18 and confirms that the all-seed adsorption holes 18 have adsorbed the seeds, the seeds continue to flow down onto the adsorption disc 4.

Next, the operation of seeding by the seeding device will be described.

As shown in FIG. 1, the suction board 4 is provided with a seed box 2 and a collecting box 6
Set it in a tilted position between and. Negative pressure is applied to the suction plate 4 so that it can be sucked. In the sowing box 2, seeds having the same grain size are put. The idling device 10 is turned on and idling in the duct 8 is started.

The seeds discharged from the seed outlet 16 of the sowing box 2 are sucked by the suction plate 4
It drops upward and flows down by its own weight along the adsorption surface.
While flowing down, the seeds are adsorbed in the various child adsorption holes 18 of the adsorption disc 4. Since the size of the seed adsorption hole 18 is such that only one seed is adsorbed, no two or more seeds are adsorbed in one seed adsorption hole 18. When the size of the seed changes, the surface plate 4a of the suction plate 4 shown in FIG. 3 may be replaced with a surface plate 4a corresponding to the size of the seed. A flow is given as the seeds flow down on the adsorption plate 4. Since the seeds flow down essentially without receiving a frictional force with other seeds, the adsorption to the seed adsorption holes 18 is performed very smoothly. While the sowing box 2 reciprocates in the left-right direction in FIG. 2 and continuously drops the seeds, the seeds are eventually adsorbed in the all-seed adsorption holes 18. Whether or not all seed adsorption holes 18 have adsorbed seeds is a sensing device.
14 Similar confirmed.

The seeds that cannot be adsorbed by the adsorption disk 4 are collected in the collecting box 6. The collected seeds are returned to the seeding box 2 through the duct 8 by the air-feeding device 10 and are discharged again onto the suction cup 4.

The seeds are not damaged when the seeds are air-shipped by the air-delivery device 10. The pressure generated on the downstream side of the idling device 10 is released by the microfilter 12. The micro filter 12 prevents the seeds from jumping out of the circulation path and also prevents the dust from scattering.

In the above-mentioned seeding device, seed flow due to vibration is not used, and flow is performed by natural downflow due to the weight of seeds. Seismic-free guarantees the health of the worker and also improves the working environment through low noise.

[Advantages of the Invention] The following effects are obtained by the seeding device of the present invention.

(A) By adopting an adsorption disc that can take an inclined posture in which seeds flow down by gravity, the flow of seeds can be achieved in a non-vibrating manner, and the frictional force between seeds can be essentially eliminated, and adsorption is improved. It can be done smoothly.

The non-vibration simplifies the device, eliminates the risk of vibrations to workers, is desirable for health, and has low noise and improved working environment.

(B) By adopting the air-feeding device, it is possible to continue the sowing operation in which the seed is damaged and the seed is crying.

(C) By installing the sensing device together, it is possible to automatically confirm that all the seed adsorption holes have adsorbed the seeds, and the sowing efficiency can be improved.

[Brief description of drawings]

 FIG. 1 is a side view of a seeding device according to an embodiment of the present invention, FIG. 2 is a partial front view of the seeding device of FIG. 1, FIG. 3 is a partial sectional view of a suction cup, and FIG. It is sectional drawing which shows an example of an apparatus. 2 ... Seeding box 4 ... Suction board 6 ... Collecting box 8 ... Duct 10 ... Air feeding device 12 ... Micro filter 18 ... Seed adsorption hole

Claims (1)

[Scope of utility model registration request] 1. A seed box in which a seed grain is placed; a seed box having a large number of seed adsorption holes of a predetermined arrangement, which can take an inclined posture in which the seed flows down by gravity, and which is released from the seed box. An adsorbing plate for adsorbing; a collecting box for collecting non-adsorbing seeds that cannot be adsorbed on the adsorbing plate and falls without being adsorbed; a duct extending from the collecting box to the seeding box; and in a collecting box provided on the way of the duct. An air-feeding device for idly feeding non-adsorbed seeds to a sowing box; a microfilter for releasing air pressure provided in the sowing box; a sensing device for confirming that the seeds are adsorbed at a predetermined position on the adsorption disc And a sowing device.