JPS62122509A - Transplantation apparatus - 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 transplanting device that uses seedlings grown in a seedling-growing container in transplant cultivation of agricultural crops.

[Conventional technology]

Although there are various methods for transplant cultivation, for example, a method using paper tube seedlings is recognized as having great advantages. These paper tube seedlings usually use a seedling raising container in which a large number of paper tubes are arranged in an orderly manner and connected in a separable manner, and the seedlings are filled with soil and seeded with +lli seeds. Seedlings are separated into tubes and transplanted, and can be transplanted while reliably retaining the fine soil.Moreover, paper tubes have been developed that decompose within a short period of time after transplantation, so they are expected to be used for a variety of agricultural crops. There is.

On the other hand, as the above-mentioned paper tube seedling transplanting machine, one that utilizes natural fall is desired from the viewpoint of high speed. In other words, it was originally confirmed that slight variations in the spacing between plants and disturbances in planting posture had little effect on yield, but transplant cultivation using paper tube seedlings is expected to dramatically increase yield. Because of the fact that
Traditionally, the accuracy of stand spacing and accuracy of planting posture, which were required of transplanters, are now secondary, making it possible to adopt a natural fall method. Paper tube seedlings are much heavier than kabu and fall easily, making it easier to control their posture.Furthermore, paper tube seedlings are easy to separate from lined seedlings.
It is suitable for high-speed separation.

[Problem that the invention seeks to solve]

As mentioned above, when transplanting using the drop method, a planting groove is formed in the first field using a trench opener, and the paper tube seedlings are dropped into the planting trench immediately after the trench opener, and immediately covered with soil. The soil is covered with soil, but the flow of soil at this time is from the rear side, and a force that pushes the paper tube seedlings forward acts. It was pushed forward and buried at the bottom of the planting ditch.

The present invention aims to solve the above-mentioned problems, provide a high-capacity, high-performance transplanting device, and dramatically expand transplant cultivation.

[Means for solving problems]

The transplanting device of the present invention is a transplanting device that drops and transplants individual seedlings grown in a seedling container, and includes a trench opening device that is provided at the bottom of the machine frame and forms a planting trench that has a slope on at least one side; A drop pipe is installed at the rear upper part of this groove opener, and has an inlet at the top end that is wide, and gradually narrows as it goes downwards, and a discharge port is formed at the bottom end. and a guide body whose tip is connected to the rear position of the furrow opener and guides the seedlings from the outlet of the drop pipe to the slope of the planting groove formed by the furrow opener.

[Effect]

In the present invention, seedlings falling within a certain width are received at a wide entrance at the upper end of the drop tube, and the drop tube gradually narrows in width as it goes downwards to guide them to the discharge port and discharge them. A guide plate guides the plants to the slope on one side of the planting trench made with a trench opener, and the plants are placed in a row and covered with soil before being transplanted.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

Figures 4 and 5 show paper tube-aligned seedlings 1 used in the transplanting device of the present invention. Using seedling raising containers arranged and separably connected with water-soluble glue, the containers are filled with soil and seeds are sown to raise the seedlings, which are then separated into individual paper tube seedlings 2 and transplanted.

Next, the transfer device 41 will be explained.

In FIG. 1, reference numeral 11 denotes a machine frame, and a tractor coupling part 12 is provided at the front upper part of the machine frame 11, and groove openers 13 are attached to both sides of the front lower part of the machine frame 11, and
Suppressing wheels 14 are supported by shafts 15 on both sides of the rear portion of the machine frame 11.

A seedling conveyor 21 is provided on the upper part of the machine frame 11 and is inclined downward in the front direction.
2 are arranged in series, and a seedling regulating device 23 is provided in the front part of this receiving plate 22. As shown in FIG. 3, this seedling regulating device 23 includes a rotating shaft 24 horizontally mounted on the machine frame 11, and a large number of regulating plates 25 fixed to the rotating shaft 24 at predetermined intervals at the center thereof. There is. Each of the regulating plates 25 has a spiral outer peripheral surface, and a separator 26 is formed at the end of the maximum radius, and the needle 21 is inclined from the end of the separator 26 with respect to the rotation direction. It is installed protrudingly. Each of the regulating plates 25 is divided into a plurality of groups, two groups in the embodiment shown in FIG. 3, and are sequentially arranged from one end of each group with the same phase difference.

At the front of the seedling conveyor 21, a seedling holding device 28 made of an approximately inverted U-shaped spring is provided against one side of each regulating plate 25, and each regulating plate 25 of the seedling regulating device 23 A seedling scraping rest 29 is provided at the bottom of the tray.

Then, the shaft 15 of the suppression wheel 14 and the seedling regulation equipment 2 are connected to each other.
Rotation of the regulating plate 25 of No. 3 +1@24, this rotating shaft 24 and the seedling conveyor 21 and the seedling scraping rest 29 are connected by an interlocking mechanism 30, and when the suppressing wheel 14 rotates, each regulating plate 25 and the seedling As the scraping body 29 rotates,
The conveyor belt of seedling conveyor 21 is accompanied.

A seedling guiding device 31 is provided below the seedling regulating device 23 and above the rear of the trench opening device 13 . As shown in FIGS. 1 and 2, this seedling guide device 31 has drop tubes 32 on both sides attached to the machine frame 11 in an inclined manner. This drop tube 32 has an inlet 33 at the upper end widened and gradually narrows as it goes downward, and a discharge port 3 at the lower end slightly wider than the height of the paper tube seedling 2.
4 is formed, and guide pieces 35 extend from the front surface and both sides of the discharge port 34.
The distance between the paper tubes is gradually narrowed so that the ends thereof are slightly wider than the thickness of the paper tube seedlings 2, and a notch opening 36 is provided on the back surface below the discharge port 34, and the guide piece 35 is opened at the rear. The cross section has a diagonal shape.

Further, at the lower end of each of the drop tubes 32, a curved guide plate 37 whose tips are connected to each other at a rear position of each of the groove openers 13 is connected.

Next, the operation will be explained.

Attach 3 points to the tractor connection part 12 at the front of the machine frame 11.
When a tractor is connected and pulled via M, the groove opener 13
As a result, a V-shaped planting groove 41 is formed in the field, and the suppression wheel 14 moves forward while rotating.

At the same time, the rotation of the suppressing wheel 14 is transmitted to the rotating shaft 24 of the seedling regulating device 23, rotating each regulating plate 25, and
Each seedling scraping rest 29 is rotated and the conveyor belt of the seedling conveyor 21 is rotated.

As a result, the paper tube alignment surface 1 placed on the seedling conveyor 21 is sequentially sent forward, pressing the front surface of each paper tube seedling 2 in the front row against the outer peripheral surface of each corresponding regulation plate 25 with a constant pressure. The front position of each paper tube seedling 2 in the front row is regulated.

The outer peripheral surface of the regulating plate 25 has a spiral curve, and the radius gradually decreases in proportion to the rotation angle, so by rotating at a constant speed, the radius decreases at a constant speed, and the seedling conveyor While regulating the position of the curved surface of the paper tube seedlings 2 in the front row on the paper tube alignment surface 1 fed by the paper tube 21, the paper tube seedlings 2 move back at a constant speed 3. In this way, one paper tube seedling 2 is placed in a predetermined position. When the paper tube seedling 2 is sent to
The needle 21 of the separation body 26 hits the top surface and is pushed downward, and at the same time the needle 21 of the separation body 26 pierces the thin soil of the paper tube seedling 2, and when it pierces, the slope also pushes the top of the paper tube seedling 2 laterally. While pulling, the paper tubes are separated downward from the alignment surface 1.

Further, each regulation plate 25 of the seedling regulation device 23 is arranged on the paper tube alignment surface 1.
The separation points are arranged in a spiral pattern, corresponding to each paper tube seedling 2 included in the front row, and by arranging the separation points sequentially from one end with the same phase difference. The paper tube seedlings 2 are separated one by one from one end. The pitch of the spiral is equal to the length of one row in the front row when separating paper tube seedlings 2 one by one from the front part of the paper tube alignment surface 1, and the length of one row in the front row when separating two seedlings one by one. By setting the length of the row to 172, it is possible to separate two pieces at a time as shown in FIG. 3, and similarly, by arranging the regulating plates 25, three or more pieces can be separated.

In addition, a surface pressing device 28 is arranged for each paper tube seedling 2 in the front row of the paper tube alignment surface 1, and presses the front surface of the paper tube seedling 2 to attract the neighboring paper tube seedling 2 to be separated. to prevent irregular separation.

Further, the paper tube seedlings 2 separated from the paper tube alignment surface 1 are placed on the regulating plate 2.
When reaching the lower position of 5, the seedling scraping body 29 rotating at a constant speed comes into contact with the upper surface of the paper tube seedling 2 stuck in the needle 27,
The paper tube seedlings 2 are pulled out from the needle 27 and thrown into the drop tube 32 (9). By sliding the inserted paper tube seedlings 2 along the sloping bottom surface and gradually narrowing the width as it goes downward, the falling paper tube seedlings 2 are concentrated and fall inside the drop tube 32. Paper tube seedlings 2 flying out from the outlet 34 at a constant speed
is further regulated by guide pieces 35 on both sides. On this occasion,
Since the width of the discharge port 34 is slightly wider than the length of the paper tube seedling 2, even if the paper tube seedling 2 falls down due to accidental conditions, no blockage will occur.

Further, since the rear surface between the guide pieces 35 on both sides of the discharge port 34 is open and the cross section is formed in a diagonal shape, the paper tube seedlings 2 fall while falling and pass through the discharge port 34. Also, it falls backward and downward from the notch space 036 and is prevented from being blocked.

Then, the paper tube seedlings 2 discharged from the drop tube 32 are transferred to the guide plate 3.
70, the direction is changed laterally along the curved surface, and furthermore, the paper tube seedling 2 moves to the slope 41 on one side of the V-shaped planting groove 41 due to inertia.
It slides down along the slope a, collides with the opposing slope 41b, and stops. In this state, the forward movement that had been performed together with the machine frame 11 until then disappears due to friction with the slope 41b, and it is left in place. In this way, the slope 4 of the planting groove 41
The paper tube seedlings 2 are placed one after another in 1a, and then the suppression wheel 14 runs along the side of the planting groove 41 to break up the soil that has piled up on the side, and the seedlings are placed and lined up on the wall of the planting groove 41. Cover and compact the paper tube seedlings 2 with soil.

In addition, in the above embodiment, each regulation plate 25 of the seedling regulation device 23
The separator 26 is integrally formed in the separator 26, but which separator 26
may be formed separately from each regulation plate 25, and press and separate the paper tube seedlings 2 in conjunction with the regulation plates 25. In addition to the suppression wheel 14, a separate prime mover may be used as the drive source. In addition, the planting groove 41 formed by the groove opener 13 may have a V-shape with slopes on both sides, or a type with a slope on the negative side and a substantially vertical surface on the other side, or may have a slope on at least one side. It is fine as long as it is something.

[Effects of the Invention] According to the present invention, seedlings falling within a certain width are received at the wide entrance at the upper end of the drop tube, and the width of the drop tube gradually narrows as it goes downward. The seeds are guided to the outlet and discharged, then guided to the slope on one side of the planting trench made with a trench opener using a guide plate, and placed in a row, covered with soil and compacted before transplanting. Relatively short general seedlings do not fall over and become buried at the bottom of the planting trench, allowing for stable and reliable transplantation.

Transplant cultivation can also be introduced to crops that were conventionally directly sown, resulting in a dramatic improvement in agricultural management, and it is also possible to fully demonstrate the results of transplanting even crops that were conventionally transplanted.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway side view showing an embodiment of the device of the present invention, Fig. 2 is a rear view of the seedling guide device shown in Fig. 1, and Fig. 3 is a side view of the seedling guide device shown in Fig. 1. FIG. 4 is a plan view of the paper tube alignment tube, and FIG. 5 is a perspective view thereof. 2... Seedling, 11... Machine frame, 13... Furrow opener, 32... Fall pipe, 33... Inlet, 34... Outlet, 37... Guide plate, 41... Planting groove, 41a.・Slope.

Claims (1)

[Claims] (1) A transplanting device for dropping and transplanting individual seedlings grown in a seedling-raising container, comprising: a groove opener that is provided at the bottom of the machine frame and forms a planting groove with a slope on at least one side; A drop pipe is installed at the rear upper part of the pipe, and has an inlet at the top end that is wide, and the width gradually narrows as it goes downwards, and a discharge port is formed at the bottom end. A transplanting device comprising: a guide plate that is connected to a rear position of the trench opener and guides the seedlings from the outlet of the drop tube to the slope of the planting groove formed by the trench opener.