JPH0898608A - Complementary planting device for seedling - Google Patents

Abstract

PURPOSE: To provide a complementary planting device for seedling capable of preventing miss planted points in a seeding tray used in a vegetable transplanter, etc. CONSTITUTION: This complementary planting device for seedling is provided with a curved face forming part 61 for bending a seedling tray 1 in the longer direction in the midway of a transporting means for the seedling tray 1, positions the seedling tray 1 on the curved face forming part 61, detects miss planted points of seedling stocks (a) in the seedling tray 1 in an extended state on the surface of the seedling tray 1 and supplementarily plants seedlings. Consequently, miss planted points are surely detected, detection accuracy of miss planted points can be extremely improved to carry out surely and efficiently complementary planting operation of seedlings.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling supplementary planting apparatus for preventing a shortage in a seedling tray used in a vegetable transplanter or the like.

[0002]

2. Description of the Related Art Conventionally, when transplanting seedlings using a transplanting machine, the transplanting machine is equipped with a seedling tray containing a large number of seedlings in advance.

[0003] Then, in order to prevent a missing plant on the ridge, the seedlings in the seedling tray are inspected before the transplanting work, and the seedling supplementing work for exchanging poorly grown ones with good seedlings. It is carried out.

[0004]

However, the above-mentioned supplementary transplanting work is done by the transplanter's hands, and since the transplanting work is performed manually, the time required for the supplemental transplanting work is reduced and the time required for the transplanting work is reduced. There was a problem that it would be lost.

An object of the present invention is to provide a seedling supplementary planting device which can solve the above problems.

[0006]

According to the present invention, a curved surface forming portion for bending the seedling tray in the longitudinal direction is provided in the middle of the conveying means of the seedling tray, and the seedling tray is positioned at the curved surface forming portion. The present invention relates to a seedling replanting device, which is configured to detect a missing seedling in a seedling tray in a state where the upper surface of the tray is expanded and to supplement the seedling.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a side view of a seedling supplementing device A according to the present invention, FIG. 2 shows a plan view of the same, and FIG. 3 shows an essential part of the same.

The seedling supplementary planting apparatus A according to the present invention is for carrying out supplementary planting work while transporting the seedling tray 1 in a state of being housed in the nursery box 2, and the seedling tray is provided in the middle of the transporting means. 1 is provided with a curved surface forming portion 61 for bending the seedling 1 in the longitudinal direction, the seedling tray 1 is positioned on the curved surface forming portion 61, and the seedling a in the seedling tray 1 is cut off with the upper surface of the seedling tray 1 expanded. It is configured to detect and supplement the plant. In addition,
Here, the lacking stock means both the state where there is no seed stock a and the case where a poorly growing seed stock a is accommodated in each cell 1a of the seedling tray 1.

In this embodiment, the transport means for transporting the seedling tray 1 is provided with a main conveyor 3 for transporting the seedling raising box 2 accommodating the seedling tray 1 and an interval above the main conveyor 3. It is composed of a sub-conveyor 4 that conveys only the seedling tray 1 taken out from the seedling raising box 2 via a tray separating means 5 described later, and is configured to be able to convey the seedling tray 1 and the seedling raising box 2 in parallel in two stages above and below. In the middle of the sub-conveyor 4, a seedling supplementary planting section 6, which is an essential part of the present invention, is arranged.

As described above, the seedling supplementing section 6 is provided with the curved surface forming portion 61 for bending the seedling tray 1 in the longitudinal direction, and detects the missing strain of the seedling a in the seedling tray 1 and replenishes it. It is configured.

With this configuration, it is possible to detect a lack of a large number of seedlings a housed in the seedling tray 1 and to automatically and surely perform supplementary planting work for replenishing good seedlings a. it can. Therefore, when transplanting the seedling a in the seedling tray 1, all of the seedlings a in the tray 1 have good growth ability, so that the transplanting work can be performed without anxiety without worry. be able to.

The structure of the seedling supplementary planting apparatus A according to this embodiment will be specifically described below with reference to FIGS. 1 to 3.

The seedling supplementing device A comprises a main conveyor 3 for carrying a seedling raising box 2 containing a flexible seedling tray 1.
And a tray separating means 5 arranged in the middle of the main conveyor 3 to separate the seedling tray 1 from the seedling raising box 2 and pull it upward.
And the lower side of the separating means 5 and the main conveyor 3
A sub-conveyor 4 which is arranged at a distance above and conveys and transfers the seedling tray 1 from the tray separating means 5,
The sub-conveyor 4 is provided with the above-mentioned seedling supplementary planting section 6 and a tray accommodating section 7 disposed at the end of the sub-conveyor 4 and accommodating the seedling tray 1 in the nursery box 2. Reference numeral 8 denotes a seedling raising box supply section provided on the starting end side of the main conveyor 3.

The seedling tray 1 is flexible and has a large number of pot-shaped cells 1a integrally formed in a plurality of rows in the front, rear, left, and right, and the seedlings a are contained in each cell 1a. .

A seedling raising box 2 for accommodating the seedling tray 1
Is a dish with a shallow bottom, and the edge of the seedling tray 1
The size is such that 1b slightly protrudes.

The main conveyor 3 is composed of a belt conveyor device in which an endless conveyor belt 33 is wound between a driving roller 31 and a driven roller 32, which are arranged at a constant interval. 34 is a machine frame of the main conveyor 3.

The tray separating means 5 is arranged above the midway position of the main conveyor 3 and has a short length in which a pair of endless chains 51, 51 are wound at intervals wider than the width of the seedling tray 1. It is configured by a chain conveyor device, and the starting end is made to face the front upper edge of the nursery box 2 on the main conveyor 3 and installed so as to have an upward slope toward the front. Reference numeral 52 is a driving roller, and 53 is a driven roller.

Further, as shown in FIG. 4, the tray separating means 5 has a large number of tray engaging rods 54 mounted between the pair of chains 51, 51 at regular intervals so that the tray engaging means 54 can be engaged with each other. The rod 54 engages with the front edge 1b of the seedling tray 1 protruding from the seedling raising box 2 and pulls it upward.

With this structure, when the seedling raising box 2 containing the seedling tray 1 is placed in the seedling raising box supply section 8 provided on the starting end side of the main conveyor 3 and the transportation is started, the front end of the seedling raising box 2 is placed in the tray. When the start end position of the separating means 5 is reached, the tray engaging rod 54 engages with the front edge 1b of the seedling tray 1, and the seedling raising box 2 is conveyed while being placed on the main conveyor 3. The seedling tray 1 is pulled obliquely upward by the tray separating means 5 and separated and conveyed from the seedling raising box 2.

That is, on the lower side of the tray separating means 5, a sub-conveyor 4 for transferring and transferring the seedling tray 1 from the tray separating means 5 is arranged with a sufficient space from the main conveyor 3 to separate the trays. The seedling tray 1 pulled up by the means 5 is inherited by the sub-conveyor 4 and conveyed in parallel above the empty seedling raising box 2 on the main conveyor 3.

In this embodiment, the sub-conveyor 4 includes a first conveyor 41 which is intermittently driven and a second conveyor 41 which is normally driven.
42, and a step is provided below the end of the first conveyor 41 to position the start end of the second conveyor 42.

A space is provided between the second conveyor 42 and the main conveyor 3 so that the nursery box 2 can pass therethrough. It is desirable that this interval be as small as possible.
The first and second conveyors 41, 42 are composed of belt conveyor devices, like the main conveyor 3. 44 is a drive roller for the second conveyor 42, 45 is the first and second conveyors 41, 42
Of each driven roller.

With the above structure, the seedling tray 1 inherited from the tray separating means 5 is first conveyed by the first conveyor 41, and then inherited by the second conveyor 42 in a state of falling downward at the end of the first conveyor 41. Will be done.

A seedling supplementing section 6 provided in the middle of the sub-conveyor 4.
Is provided at the step between the end of the first conveyor 41 and the start of the second conveyor 42.

As shown in FIGS. 1 and 3, the seedling supplementing section 6 has a periphery of a drive roller 43 which is interlockingly connected to a motor (not shown) capable of intermittent drive provided at the end of the first conveyor 41. The curved surface forming portion 61 is formed of a surface, and the curved surface forming portion 61 is formed.
In, the seedling tray 1 being conveyed is formed to be curved in the longitudinal direction.

Further, in the seedling supplementing section 6, for example, CC
A supplementary planting robot 63 having a detection sensor 62 made of D or the like is arranged so as to face the curved surface forming portion 61. 64 is a nail for supplementary planting.

The seedling tray 1 being conveyed to the curved surface forming section 61.
Is located, when the seedling tray 1 is conveyed downward, the upper surface is curved and the leaf tip of the seedling a is also widened.
Moreover, since the first conveyor 41 is driven intermittently, the detection sensor 62 can surely detect the stock loss in the seedling tray 1 while the first conveyor 41 is stopped.

Upon receiving the detection signal from the detection sensor 62, the supplementary planting robot 63 actuates the supplementary planting claw 64 and causes the cell 1a to display the seedling a.
If there is no seedling, then a good spare seedling b prepared separately is replenished, and if a poorly growing seedling a is stored, after removing such seedling a, it is good as described above. Supplementary seedling b.

At this time, since the upper surface of the seedling tray 1 is expanded, it is easy to supplement a new preliminary seedling b in the cell 1a, and the reliability of the supplemental planting work is improved.

As described above, since the seedling supplementing section 6 is provided with the curved surface forming portion 61 for bending the seedling tray 1 in the longitudinal direction, the upper surface of the seedling tray 1 is expanded and the leaf tips of the seedlings a are also expanded. It is possible to spread and detect missing stock surely, and also to perform reliable supplementary planting work.

The seedling tray 1 which has passed through the seedling supplementing section 6 receives the force of being conveyed forward when its tip reaches the second conveyor 42, and undergoes a bending posture opposite to that of the curved surface forming section 61 to complete the seedling tray 1. Is placed on the second conveyor 42 and conveyed. A curved guide plate 65 is provided below the curved surface forming portion 61 so that the seedling tray 1 can be smoothly transferred from the first conveyor 41 to the second conveyor 42.

At the end of the second conveyor 42, there is provided a tray housing portion 7 for housing the seedling tray 1 in the seedling raising box 2.

In the tray storage section 7, as shown in FIG. 1, the seedling tray 1 is stored again in the seedling raising box 2 separated from the seedling tray 1 by the tray separating means 5.

That is, the seedling tray 1 includes the second conveyor 42.
Although it freely falls downward along the peripheral surface of the driven roller 45 disposed at the end of the seedling tray 1, as described above, since the distance between the second conveyor 42 and the main conveyor 3 is small, the seedling tray 1 Will not be damaged or the seedling a stored in the seedling tray 1 will not pop out.

In this embodiment, a guide plate 71 is provided below the terminal end of the second conveyor 42, and the guide plate 71 guides the seedling tray 1 so that the seedling tray 1 is smoothly accommodated in the seedling raising box 2. .

After the pair of the seedling tray 1 and the nursery box 2 are separated by the tray separating means 5, the tray accommodating section 7 is provided.
In order to be paired again in timely,
For example, the drive roller 31 of the main conveyor 3 is interlocked with a drive motor (not shown) controlled by an inverter to adjust the transport speed of the main conveyor 3 and the sub-conveyor 4.

As described above, according to the seedling supplementary planting apparatus A of the present embodiment, the absence of a plant is detected by the curved surface forming portion 61 that curves the seedling tray 1 in the longitudinal direction. The upper surface of the seedling tray 1 is expanded and the leaf tips of the seedling a are also expanded, which enables reliable detection of missing strains.

Further, since the tray separating means 5 and the like are provided, the seedling raising box 2 containing the seedling tray 1 is simply placed on the seedling raising box supply section 8 without removing the seedling tray 1 from the seedling raising box 2. Thus, the supplementary planting work can be performed automatically and surely.

Therefore, if a nursery operator or the like uses the seedling supplementing device A immediately before the shipment of the seedling tray 1, only good seedlings a are efficiently and surely accommodated. The tray 1 can be supplied.

Next, as a modified example showing one form of the tray separating means 5, the one shown in FIG. 5 will be described.

This is because the tray separating means 5 is replaced with a chain conveyor device and the suction nozzle is directed toward the main conveyor 3 side.
The suction device is provided with 56.

That is, the seedling raising box 2 containing the seedling tray 1
When the front end of the seedling raising box 2 reaches the position where the tray separating means 5 is started, the front edge 1b of the seedling tray 1 is adsorbed by the suction nozzle 56 and pulled upward (FIG. (See a)), the suction nozzle 56 moves to the side of the sub-conveyor 4 and releases the suction, and the seedling tray 1 is inherited to the sub-conveyor 4 (see FIG. 5B).

As described above, the suction nozzle 56 is communicatively connected to a blower device or the like (not shown), and is configured to be movable toward the sub-conveyor 4 side. The series of operations is controlled by a separately arranged control unit.

Reference numeral 57 is a tray position detection sensor attached to the suction nozzle 56.

In addition to the tray separating means 5 having the above structure and the tray separating means 5 described above, various structures are conceivable, as long as the seedling tray 1 and the seedling raising box 2 can be separated.
The structure is not limited in any way.

[0046]

As described above, according to the present invention,
A curved surface forming part for bending the seedling tray in the longitudinal direction is provided in the middle of the conveying means of the seedling tray, the seedling tray is positioned in the curved surface forming part, and the upper surface of the seedling tray is expanded in the seedling tray. Detecting the missing strains of seedlings, and by configuring to supplement the seedlings, the leaf tips of the seedlings can be expanded, and reliable detection of missing strains can be performed, and the accuracy of detecting missing strains can be significantly improved, and Reliable and efficient seedling supplementary work can be performed.

[Brief description of drawings]

FIG. 1 is an explanatory view from a side view of a seedling supplementary planting device according to the present invention.

FIG. 2 is an explanatory diagram according to the same plan view.

FIG. 3 is an explanatory diagram of the same main part.

FIG. 4 is an explanatory diagram of a tray separating means of the seedling supplementing device.

FIG. 5 is an explanatory diagram showing one form of tray separating means.

[Explanation of symbols]

 A Seedling supplementing device a Seedling 1 Seedling tray 2 Raising seedling box 3 Main conveyor 4 Sub-conveyor 5 Tray separating means 6 Seedling supplementing section 61 Curved surface forming section

Claims (1)

[Claims] 1. A curved surface forming part (61) for bending the seedling tray (1) in the longitudinal direction is provided in the middle of the conveying means of the seedling tray (1), and the seedling tray (61) is formed in the curved surface forming part (61). 1) is located, the upper surface of the seedling tray (1) is expanded, and the missing strain of the seedling (a) in the seedling tray (1) is detected and supplemented. Seedling supplementary planting device.