JP2002045011A - Seedling planting beak of seedling planting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply and readily adjust a seedling planting depth by a seedling planting beak and to simplify the constitution of the seedling planting beak. SOLUTION: This seedling planting beak of a seedling planting machine is characterized in that a soil pressing plate 1 which controls a planting depth F of a soil surface C by the planting beak 2 in an adjustable manner is installed on the outer periphery of the planting beak 2 which is openable and closable, stores a seedling A, is dropped and plants the seedling while forming a planting hole E on the soil surface C.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling beak of a seedling planting machine, and can be mainly used as a transplanting machine for vegetable seedlings and tobacco seedlings having a bed soil at the root of seedlings.

[0002]

2. Description of the Related Art When a planting hole is formed by piercing the soil surface around the seedling beak that opens and closes, the hole is brought into contact with the soil surface to regulate the piercing depth of the seedling beak. Techniques for forming plates are known. In addition, there is known a technique in which a raising and lowering trajectory line of a planting beak is moved up and down in order to change a seedling planting depth.

[0003]

In a seedling beak having a soil retaining plate formed on the outer peripheral surface, the depth of the planting hole formed by piercing the soil surface is fixed by the soil retaining plate. In reality, the size of seedlings often differs depending on the type of seedlings, planting time, and the like. Therefore, the depth of the planting hole according to the planting seedling can be easily set.

[0004]

According to the first aspect of the present invention, there is provided a planting beak 2 which is openable and closable for accommodating a seedling A, descending, and planting a seedling while forming a planting hole E in a soil surface C. Characterized in that a soil presser plate 1 for adjusting and regulating the planting depth F of the planting beak 2 with respect to the soil surface C is provided on the outer periphery of the planting beak 2. .

[0005] The invention according to claim 2 is a method for opening and closing a seedling A
On the outer periphery of the planting beak 2 for planting seedlings while descending and forming a planting hole E on the soil surface C, the soil surface C of the planting beak 2
Of the seedling planting beak of a seedling planting machine, characterized in that the planting depth F of the seedling plant is regulated and an earth retaining plate 1 having a bent surface 4 for bending the front and rear edges upward is provided.

[0006]

According to the first aspect of the present invention, the raising and lowering operation of the planting beak 2 accommodates the seedlings A at the upper part and descends, while forming the planting holes E at the soil surface C at the lower part. The planting beak 2 is opened in the planting hole E, and the seedling A is dropped on the hole bottom and planted.
At this time, when the planting beak 2 pierces the soil surface C, the soil holding plate 1 provided on the outer peripheral surface is pressed against the soil surface around the planting hole E, and the depth of the planting hole E is reduced. It is kept constant. When making the planting hole E deep according to the size of the seedling A,
The earth retaining plate 1 is moved upward with respect to the planting beak 2 and is moved downward when making it shallow. Thus, planting beak 2
Can be easily and easily adjusted by changing the holding pressure of the soil surface on the upper peripheral surface of the planting hole E, even if is operated on a constant seedling planting locus. The stable planting hole E can be formed.

According to the second aspect of the present invention, the planting beak 2 is opened in a state where the planting beak 2 is pierced into the soil surface C and the soil holding plate 1 presses the upper periphery of the planting hole E. When the seedlings A are planted in the planting holes E by the bent surfaces 4 before and after the soil holding plate 1, the soil pressing effect can be enhanced without scooping or disturbing the outer peripheral soil portion. .

In particular, when a multi-film is laid on the soil surface C of the ridge, the planting beak 2 is opened in a work mode in which the planting beak 2 is pierced from the upper surface of the multi-film to the soil upper surface to plant seedlings. At this time, the multi-film pressed by the bent surface 4 can be prevented from being disturbed or damaged.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be effectively implemented as a seedling planting machine having a planting beak 2. While the planting hole E having a certain depth is formed on the soil surface C by the planting beak 2,
Is opened and dropped into the seedling A planting hole E, which has been housed, to plant seedlings. In this case, when adjusting the planting depth according to the size of the seedling A, the planting form, or the like, the planting is performed by moving the position of the soil holding plate 1 on the outer peripheral surface of the planting beak 2 up and down. The depth of the hole E is adjusted.

[0010] Therefore, the invention according to claim 1 is to open and close the planting beak 2 for accommodating the seedlings A and descending to plant the seedlings while forming the planting holes E on the soil surface C, The seedling beak of the seedling planting machine is provided with a soil holding plate 1 for adjusting and controlling the planting depth F of the planting beak 2 with respect to the soil surface C, thereby planting. The depth of the planting hole E can be easily and easily adjusted by changing the soil holding pressure on the soil surface on the upper peripheral surface of the hole E, and the stable planting hole E can be formed.

The invention according to a second aspect of the present invention relates to an outer periphery of a planting beak 2 which is openable and closable for accommodating a seedling A, descending, and planting a seedling while forming a planting hole E in a soil surface C. The seedling beaker according to the present invention is characterized in that the planting depth F of the planting beak 2 with respect to the soil surface C is regulated, and the soil holding plate 1 having a bent surface 4 for bending the front and rear edges upward is provided. As a configuration of the seedling beak, when the planting beak 2 forms and opens the planting hole E, the peripheral surface of the planting hole E slides smoothly on the soil surface by the bending surfaces 4 before and after the soil holding plate 1. In order to eliminate the disturbance on the soil surface. Here, the earth retaining plate 1 may be configured to be simply fixed to the planting beak 2 or may be configured to be movable up and down.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in more detail with reference to the drawings. The first embodiment is shown in FIGS. A second embodiment is shown in FIG. A third embodiment is shown in FIG.

[0013]

First Embodiment A first embodiment will be described with reference to FIGS. On both left and right sides of the vehicle body 7, drive wheels 10 are attached to a wheel transmission case 9 which can be turned up and down around an axle housing 8.
, And an auxiliary wheel 11 is disposed in front of the shaft. The drive wheels 10 are driven by an engine 12 mounted on the front of the vehicle body 7.
Can be transmitted. Behind the body 7 is a handle 13
A seedling mounting table 14 is provided at an upper portion, and a seedling link mechanism 15 having a planting beak 2 at the rear end and moving up and down is provided. A seedling supply table 16 is provided at the rear portion. The seedling link mechanism 1
5 is transmitted from the engine 12 to move the planting beak 2 up and down.
6 at the bottom, planting hole E on soil surface C
To form seedlings.

Reference numeral 17 denotes a pitching cylinder for moving the drive wheel 10 up and down. Reference numeral 18 denotes a grounding sensor for detecting the height of the soil surface C. The elevation control valve of the hydraulic circuit of the pitching cylinder 17 is operated in conjunction with the ground surface. The height on C is maintained and controlled to be constant. Reference numeral 19 denotes a rolling cylinder which controls the vehicle body 7 horizontally in the left and right direction in conjunction with an inclination sensor for detecting the left and right inclination of the vehicle body 7.

A large number of seedling hoppers 21 are arranged on the seedling supply table 16, and the driver supplies the seedling hopper 21 with vegetable seedlings taken out from the seedling mounting table 14. The seedling supply table 16 rotates intermittently at a constant angle each time the seedling link mechanism 15 is moved up and down, so that each seedling hopper 21 faces the seedling receiving position of the planting beak 2.

The seedling link mechanism 15 is arranged such that a pair of front and rear crank arms 25 and 26 swing up and down in a double crank form on transmission cases 22, 23 and 24 mounted at fixed positions on the vehicle body 7 side. The planting beak 2 is attached between the rear ends of the crank arms 25 and 26. The front crank arm 25 is vertically swung by the rotation of the crankshaft 27. This base is connected to a swing arm 28. Also, the rear crank arm 26
Is vertically swung by the rotation of the crankshaft 29. This base is connected to the swing arm 30.

A front-rear horizontal connecting link 31 is connected between the rear ends of the crank arms 25 and 26. As the crankshafts 27 and 29 rotate in the same direction, the crank arms 25 and 26 are swung up and down to connect the link 3
1 is raised and lowered while maintaining the horizontal posture.

The crank arms 2 at both ends of the connecting link 31
A pair of front and rear mounting brackets 32 are mounted around the connecting pins 39 and 40 with the connecting pins 5 and 26. This mounting bracket 3
Numeral 2 restricts rotation around the connecting pins 39 and 40 through the pin 33 between the long holes in the front and rear central portions. The pair of beaks 2 are attached to the respective mounting brackets 32 with bolts 34 inserted into bolt holes 35, and the mounting brackets 3
It can be opened and closed back and forth by the rotation of 2.

The mechanism for opening and closing the planting beak 2 includes a cam 36 which is rotated integrally with the crankshaft 29,
6, a swing link 3 which is pushed by the crank arm 26 and swings around a connecting portion of the crank arm 26 to the swing arm 30.
7, the swing link 37 and the mounting bracket 32
And a link 38 for connecting between them. By raising and lowering the crank arms 25 and 26, the planting beak 2 is closed by the cam 36 at the upper part, and the seedling A can be stored and supported. In the lower part, the planting hole E is formed by projecting into the soil surface C, and is opened back and forth, and the contained seedling A is dropped and planted in the planting hole E. D is a planting locus line indicating an operating locus of the lower end of the planting beak 2.

The planting beak 2 is formed in a conical shape having a larger upper end diameter and a smaller lower end side, and a flat beak near the lower end opening. In addition to supporting the seedbed section B of the seedlings A dropped from the seedling hopper 21, the seedlings A are easily pierced into the soil surface C, and the planting holes E are easily formed.

The seedling guide tube 3 has a cylindrical or conical funnel shape, and the upper portion of the seedling guide tube 3 is supported by the front and rear connecting pins 39 and 40 via the mounting arm 20 so that the seedling can be planted at the time of planting.
Maintain the guidance posture of seedling A. The seedling guide tube 3 supports the seedling A dropped from the seedling hopper 21, and is kept as long as possible by the seedling guide tube 3 until the seedbed B is settled in the planting hole E even when the planting beak 2 is opened. The seedling A is set to be supported and guided.

An earth retaining plate 1 is provided on the outer periphery of the planting beak 2.
It is mounted on the mounting plate 5 via the bolt 6 so that the vertical position can be adjusted. The mounting plate 5 is integrally formed on the upper part of the planting beak 2 by welding or the like, and a bolt hole 43 is formed. A pair of left and right bolts 6 are set upward on the soil presser plate 1 along the lower outer periphery of the planting beak 2. The bolts 6 are inserted through the bolt holes 43 of the mounting plate 5 from below, and the nuts 41 are screwed from the upper side of the mounting plate 5 and fastened and fixed. Reference numeral 42 denotes a collar fitted to the bolt 6, which is clamped between the mounting plate 5 and the earth pressing plate 1. The mounting height of the earth retaining plate 1 varies depending on the height of the collar 42, and the collar 42 having various lengths can be prepared according to the height to be adjusted.

When increasing the planting depth F of the planting hole E, F1
Is mounted so that the earth retaining plate 1 is brought close to the mounting plate 5, and when it is made shallow, the mounting plate F2 is mounted so as to be separated downward from the mounting plate 5. In place of the vertical adjustment of the earth retaining plate 1, as shown in FIGS. 3 and 4, a plurality of earth retaining plates 1 are stacked.
By increasing the number of piles of the soil holding plate 1 to make the planting depth F shallower and smaller, or reducing it, or by omitting it and using only the mounting plate, the depth F1 can be made deeper. When all of the earth retaining plate 1 is removed, the mounting plate 5 itself becomes the earth retaining plate 1.
Can play the role of. Further, the piled earth retaining plate 1 is mounted on the mounting plate 5 through the bolt 6.

[0024]

Second Embodiment Differences from the above example will be described with reference to FIG. When the planting hole E is formed by bending the front and rear end edges of the soil holding plate 1 of the planting beak 2 upward to form the bent surface 4, the soil surface C at the upper end surface of the planting hole E is formed. Less disturbing. Further, in planting seedlings when the soil surface C is covered with the multi-film, the multi-film is less likely to be scratched by the soil holding plate 1.

[0025]

[Third Embodiment] Differences from the above embodiment will be described with reference to FIG. By applying Teflon (registered trademark) 44, 45 processing to the inside surface of the planting beak 2, the adhesion of mud is reduced. And this Teflon 44, 45
Is formed in a sheet form so that the lower end edge portion 46 of the planting beak 2 is folded inward and outward to form a continuous one-piece folded portion 47, thereby making it difficult for the planting beak 2 to peel off from the planting beak 2.

[Brief description of the drawings]

FIG. 1 is a side view showing the operation of a seedling beak according to a first embodiment.

FIG. 2 is a perspective view and a side view showing an adjustment state.

FIG. 3 is a perspective view showing another embodiment of the invention.

FIG. 4 is a side view showing the operation.

FIG. 5 is a side view of the seedling driving mechanism;

FIG. 6 is a plan view thereof.

FIG. 7 is a side view of the entire seedling planter.

FIG. 8 is a plan view thereof.

FIG. 9 is a side view of a seedling beak according to a second embodiment and a perspective view of a part thereof.

FIG. 10 is a front view and a side sectional view of a seedling beak according to a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Earth holding plate 2 Planting beak 4 Bending surface 5 Mounting plate 6 Bolt

Continuing on the front page (72) Inventor Isao Ishida 1 Eighth Tokura-cho, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. ) Inventor Yoshikazu Tachi 1 Tokura-cho, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.Technical department (72) Inventor Shima Katsura Niigata Iseki Manufacturing Co., Ltd. ) 2B060 AA08 AC01 AC05 AD04 AE03 BA03 CB05 CC05 CC13 2B065 AA01 AB07 AC05 CA04

Claims (2)

[Claims] 1. A planting beak 2 which can be opened and closed, accommodates a seedling A, descends, and forms a planting hole E in a soil surface C to plant a seedling. A seedling beak of a seedling plant, comprising a soil holding plate 1 for adjusting and regulating a planting depth F with respect to the seedling. 2. A soil surface C of the planting beak 2 which is openable and closable and accommodates the seedling A and descends to form a planting hole E in the soil surface C for planting seedlings. A seedling beak of a seedling plant, characterized in that a soil holding plate 1 having a bent surface 4 for bending the front and rear end edges upward is provided while regulating a planting depth F with respect to the seedling.