JPH0332961B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a seedling feeding device for a vegetable transplanter.

[Prior art]

Conventionally, as disclosed in Japanese Unexamined Patent Publication No. 59-2616, a seedling stand that feeds seedlings to a transplanting tool while reciprocating from side to side is provided with a receiving rod for receiving vegetable seedlings placed thereon. It was publicly known.

Furthermore, as disclosed in Japanese Patent Publication No. 45-14844, it was also known to provide a pusher for pushing the leaves of the seedlings backward in order to prevent the leaves of the seedlings from being damaged by the transplanting tool.

[Problem to be solved by the invention] By means of a seedling stand having a technology that combines the conventional technology disclosed in Japanese Patent Application Laid-Open No. 59-2616 and the technology disclosed in Japanese Patent Publication No. 45-14844. When feeding seedlings to a transplanter, vegetable seedlings do not have needle-shaped leaves like paddy rice seedlings, but are very soft, so the leaf pressing body of the plate prevents the leaves from getting between the receiving rods. However, when attempts were made to prevent this, when the vegetable seedlings were divided and taken out using a transplanter, only a portion of the leaf portion would be caught and slid, resulting in a portion of the leaf portion breaking. To illustrate this problem, JP-A-59-
If only the technique disclosed in Japanese Patent Publication No. 2616 was used, the leaf part would intervene between the receiving rods and be damaged as shown in Figure 9.
In the combination of the technique disclosed in Japanese Patent No. 14844, only a portion of the leaf portion is pushed and damaged as shown in FIG.

[Means to solve the problem]

This invention has taken the following technical means to solve the above problems.

That is, a group of vegetable seedlings in which each seedling has been grown at a predetermined pitch is placed, and each seedling in the tip row is supplied to the transplanting tool 34, which moves up and down while reciprocating from side to side. The seedling stand 13 is configured with a receiving rod 25 hanging from above for receiving each seedling in the tip row, and a receiving rod 25 is provided on the side of the vegetable seedling group of the receiving rod 25. The seedling feeding device in a vegetable transplanter is made by similarly hanging from above a bendable receiving body 26 for preventing the leaf part of the seedling from directly touching the seedling 25.

[Operation and effect of the invention]

According to this invention, each seedling in the tip row loaded on the seedling stand 13 of the seedling feeding device and supplied to the transplanting tool 34 is moved left and right while being securely received by the receiving rod 25. Then, the leaves of the seedlings are gently received by the receiving member 26 hanging down from the upper part, with the leaf on the most tip side being wrapped tightly, and are brought into direct contact with the receiving rod 25. It is retained without being retained. Therefore, when the transplanting tool 34 separates the seedlings one by one, the leaves are pulled out downward while still being wrapped in the receiver 26, allowing a good vegetable seedling transplanting operation without damaging the leaves. I can do it.

〔Example〕

An embodiment of the present invention will be described in detail based on the drawings.

First, to explain the vegetable seedlings used in this example, each opening side of the seedling raising pot a is made of a material that corrodes when buried in soil, such as pulp wood or natural fiber, and a group of pots is formed. Fill each pot a of the seedling raising device A, which is rectangular in plan view, with soil, urethane foam, or other seedling base material, and raise the seedlings upside down so that the opening side of pot a is on the bottom, to form a group of vegetable seedlings. is being grown.

Next, the vegetable transplanter in this embodiment will be explained.

Reference numeral 1 designates a transmission case, in which wheel transmission cases 2, 2 facing downward are provided on both left and right sides, and a transmission case 3 facing rearward is provided in the middle portion from the left side.

Reference numeral 4 denotes an engine, which is directly connected to the front side of the transmission case 1.

5, 5 indicates wheels.

Reference numeral 6 denotes a transplanted transmission case, the base of which is fixed to the outside of the distal end of the transmission case 3, has a V-shape in side view, and has a case 6a portion on the rear side that extends long toward the rear.

Reference numeral 7 denotes a handle, which is formed into a loop shape by connecting the transmission case 6a to a handle support rod 7a whose base is attached to the right side of the transmission case 1 and whose tip end extends rearward and upward. There is.

A reinforcing rod 8 connects the transplanted transmission case 6 and the handle support rod 7 to each other.

Reference numeral 9 denotes a lead cam shaft, the base end of which is inserted and supported within the distal end side of the transmission case 3 to receive transmission rotation;
The tip side is rotatably supported by a metal 12 attached via a metal fitting 11 to a support rod 10 integrally attached to the reinforcing rod 8.

Reference numeral 13 denotes a seedling loading stand, and a seedling transfer belt 1 is stretched around the bottom plate space of the framework made up of left and right upright frames 13a and front and rear bottom plates 13b in the front and back direction.
It has a structure with 4.

15 is a belt winding roll. The rear belt winding roll 15 is driven via a ratchet mechanism 16, and drive levers 17 are provided on both left and right sides.

A rotor 18 is provided integrally with a rotating shaft 19 that transmits power to the lead camshaft 9.

A lead metal 20 is inserted through the lead cam shaft 9 and equipped with a lead pawl that engages with a lead groove of the lead cam shaft 9.
0 is fixed to the rear bottom plate 13b of the seedling stand 13.

Then, by the rotation of the lead cam shaft 9, the seedling supply table 13 is reciprocated horizontally to the left and right via the lead metal 20, and when it reaches the lateral end, the drive lever 17 is moved to the rotor 1.
8 and is rotated to rotate the belt winding roll 15 via a ratchet mechanism 16.

Reference numeral 21 denotes a seedling receiving frame, which is attached to the handle support rod 7 of the transplant transmission case 6a via a metal fitting 22 on the rear end side of the seedling platform 13, and has a seedling outlet 23 provided in the left and right center portions. There is.

A horizontal shaft 24 fixed to the left and right erecting frames 13a is provided at the upper part of the seedling tray 13 on the side of the seedling supply opening. Receiving rods 25, 25, . . ., which receive the left and right intermediate portions of each pot a portion of the seedling group, are inserted and fixed.

Reference numeral 26 denotes a brush-shaped receiving body, the base side of which is planted in a horizontal frame 27 fixed to the upper part of the left and right standing frames 13a on the side of the seedling supply port of the seedling stand 13, and is suspended from the receiving rod 25, 25... is located on the front side (vegetable seedling group side).

Reference numerals 28 and 29 indicate support rails for the seedling stand 13.

The transplant device 31 includes a first rotating case 32 which is fixed to a drive shaft on the side of the transplant transmission case 6 and can be swung, and a first rotating case 32 whose base side is attached to the outside of the distal end side of the first rotating case 32. The second one rotates in the opposite direction and is swung around at twice the rotation speed.
It is composed of a rotating case 33 and a transplant tool 34 attached to the outer side of the distal end of the second rotating case 33.

The transplanter 34 has a key 3 attached to a transplanter attachment shaft 35 that protrudes outward from the distal end side of the second rotating case 33.
6 and the metal pin 37 fixed together.
A transplant fixing claw 39 is attached to a box-shaped transplant device main body case 34a with a hollow interior.
A transplanted claw 39 consisting of a transplanted movable claw 39b and a transplanted movable claw 39b is attached, and the transplanted movable claw 39b
An operating mechanism is provided.

The aforementioned implant attachment shaft 35 is connected to the second rotation case 33 by a transmission mechanism within the second rotation case 33.
The shaft 35 is configured to be rotated by 1/2 rotation in the opposite direction to the rotation direction, and the shaft 35 is configured to maintain a stopped state substantially independent of the rotation of the first and second rotating cases, and is attached to the shaft 35. The implant 34 is configured to always maintain a constant posture.

The transplant movable claw 39b is attached to a vertical shaft 40 rotatably attached to the case 34a, and is spaced horizontally from the transplant fixed claw 39a fixed to the case 34a with bolts. It is set up so that it can be expanded and contracted.

Reference numeral 41 denotes an opening/closing cam, which is connected to the transplant device attachment shaft 35.
This outer shaft 42 is integrally attached to the second rotating case 33.

43 is a cam floor fixed to the shaft 40;
The spring 44 is brought into pressure contact with the opening/closing cam 41, and the shaft 40 is provided to rotate as the cam 41 rotates.

The rotation speed of the second rotation case 33 is set to be exactly twice the rotation speed of the first rotation case 32 as described above, but both rotation cases 32 and 33 are arranged in a straight line. When fully extended, both rotating cases 32 and 33 face approximately in the vertical direction,
Both rotating cases 32 and 33 are configured to face in the front-rear direction when they are not extended linearly but bent.

In addition, the trajectory P drawn by the tip of the transplanted nail of the transplant tool 34
forms a closed loop that is narrow in the front-to-back direction and long in the vertical direction.

The operation of the movable transplant claw 39b is such that when the transplant claw intervenes from above into the seedling take-out port 23 of the seedling receiving frame 21 and takes out the seedling, a spring 44 moves toward the fixed transplant claw 39a.
The shape of the cam 41 is such that it rotates against the ground, then reaches the lower end in that state, and opens when it plunges into the soil surface.

45 is a pressure roller that presses and levels the upper surface of the ridge B into which the seedlings are to be transplanted, and the arm 4 is pivotally connected to the machine frame.
The arm 46 is rotatably pivoted to the arm 46.
A spring 47 is provided between the press roller 45 and the machine frame.
Furthermore, the lowering limit position of the pressing roller 45 can be adjusted via a wire 49 using an adjustment lever 48 attached to the handle 7, thereby adjusting the implantation depth. It is adjustable.

Reference numeral 50 denotes a tail wheel, which is configured to be able to be adjusted up and down by rotating an adjustment handle at left and right positions that straddle the ridge B.

Reference numeral 51 denotes a root pressing tool that presses the surface of the ridge B near the root of the transplanted seedlings, and pins 52 are arranged to be distributed left and right from the left and right center of the ridge B, and are tilted so that the left and right outer sides are directed downwards on the machine frame. A pressing plate 51a is rotatably attached to the rear end side of an arm 53 whose front and rear intermediate parts are pivotally connected, and the tip side of this arm 53 is a swinging rod that is swung by a cam 54 attached to the rotating shaft 19. 55
The press plate 51a is interlocked with the press plate 51a via the rod 56.
The transplanted seedlings are first lightly pressed on the ridges on both sides, and then firmly pressed down again, forming a two-motion press.

Incidentally, 57 indicates a spring.

58 is a plant alignment marker, so that when a transplanting mistake occurs, the machine is moved back to position it above the transplanted seedlings, and when restarted, the first seedling after the start will be transplanted between the same plants. It is constructed.

Next, to explain the operation of the above example, after the wheels 5, 5 of the transplanter are set so as to straddle the transplanting ridge B in the field, pots A are placed in series on the seedling platform 13 at predetermined intervals vertically and horizontally. After placing and storing a group of vegetable seedlings grown in the paper seedling raising device A, the engine 4 transmits and rotates each rotating part, and the machine body is propelled by the rotation of the wheels 5, 5.

The seedling stand 13 is rotated by the rotation of the lead cam shaft 9.
It is reciprocated in the left-right direction via the lead metal 20. Therefore, the seedling A located on the rear end side is placed in the seedling receiving frame 2.
The seedling is moved left and right while being received by the seedling 1, and the seedling is fed out to the seedling take-out port 23. At this time, the left and right intermediate parts of each pot in the front row are securely received by the receiving rods 25, 25, etc., and the leaves of the seedlings are held by brush-shaped receiving rods so that they do not come into direct contact with the receiving rods 25. You can receive it at 26. The state in which the leaf is received by the receiving body 26 is not a state in which the leaf properly enters the receiving body 26 and is pushed away by a rigid body, but is received in an extremely soft state so that the leaf is not damaged.

In this state, the seedling pot a fed out to the seedling extraction port 23 is held between the fixed transplanting claw 39a and the movable transplanting claw 39b of the transplanting tool 34, which traces a transplanting trajectory P, and is pulled out backward and downward and separated. Ru. At this time, the transplanted claw 39 does not clamp the receiving rod 25 located between the two claws 39a and 39b, but securely clamps only the pot a. When the seedlings are separated, the leaves of the seedlings are taken out while being protected by the brush-like receiver 26, so that the situation where the leaves are torn off does not occur.

The upper surface of the transplanted ridge B is leveled by a pressing roller 45, and the seedling A is transplanted to a constant depth. After transplantation, the root pressing tool 51 reliably presses the ridge surface of the root portion.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a plan view, Fig. 3 is a side sectional view of the main part, and Fig. 4 is a plan view of the main part. Figure 5 is a front view of the main part, Figure 6 is a sectional view of the main part, Figure 7 is a side view of the main part, Figure 8 is a rear view of the main part, and Figures 9 and 10 are of the conventional type. This shows a side view of the main parts. Symbols in the figure: 13 is a seedling stand, 25 is a receiving rod, 26
34 is a transplanting tool, A is a seedling raising device, and a is a pot.

Claims (1)

[Claims] 1. A seedling plant in which a group of vegetable seedlings in which each seedling has been grown at a predetermined pitch is placed and the seedlings are supplied to a transplanter 34 that moves up and down while reciprocating left and right. The platform 13 is configured with a receiving rod 25 hanging from above for receiving each seedling in the tip row, and a receiving rod 25 is provided on the vegetable seedling group side of the receiving rod 25. A seedling feeding device for a vegetable transplanter, which also has a bendable receiver 26 hanging from above to prevent the leaves of the seedlings from coming into direct contact with the seedlings.