JP2000354410A - Apparatus for taking out mat seedling of nursery box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the damage to a mat seedling and raise the operating efficiency when taking out the mat seedling from a nursery box. SOLUTION: This apparatus for taking out a mat seedling 2 of a nursery box 1 is obtained by composing a pair of a front and a rear seedling nipping rods 3 and 4 in a parallel state in the width direction of the mat seedling 2 of the nursery box 1 so as to be openable and closable in the front and rear and is capable of lifting a group of a seedling body part row in the width of the mat seedling 2 from the front and rear with the pair of the front and rear seedling nipping rods 3 and 4 and peeling and floating the mat seedling 2 from the nursery box 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing mats from a nursery box, and is used as a device or an apparatus for removing mat-shaped seedlings to be raised in a nursery box.

[0002]

Since the seedlings supplied to the seedling planting machine are raised in a mat in a nursery box, there is considerable resistance when removing the mat seedling from the seedling box, There are drawbacks such as damaging the seedlings and damaging the mat-shaped nursery when picking up by hand, and the operation is not efficient.

[0003]

Means for Solving the Problems The first aspect of the invention is as follows.
A pair of seedling holding rods 3 and 4 are configured to be openable and closable, and the pair of seedling holding rods 3 and 4 hold and lift the group of seedling body rows of the mat seedling 2 to separate the mat seedling 2 from the seedling raising box 1. A mat seedling removal device for a nursery box characterized by floating.

A second aspect of the present invention is a pair of seedling holding rods 3 and 4 which are configured to be openable and closable and hold and lift a row of seedlings of a mat seedling 2, and separate and float from the seedling raising box 1. A seedling scooping plate 5 inserted into the lower surface of the matted seedling 2 to be removed, and the matted seedling 2 peeled off by the seedling holding rods 3 and 4 and the seedling scooping plate 5 can be scooped from the nursery box 1 and transferred. The structure of the mat seedling removal device of the nursery box will be adopted.

[0005]

According to the first aspect of the present invention, the mat seedling row group of the mat seedlings 2 raised in the seedling raising box 1 is pinched and lifted by the pair of seedling holding rods 3 and 4, and the mat seedlings 2 are raised. Floating and removing from the inner surface of box 1. For this reason, the holding portion of the seedling body by the seedling holding rods 3 and 4 uses an even holding force and a lifting force to hold the row of seedling portions as a substantially uniform seedling layer. It is possible to smoothly peel and float from the mat 1, prevent the mat seedling 2 from being damaged, and improve work efficiency.

The second aspect of the present invention relates to a mat seedling 2 having a pair of seedling holding rods 3 and 4 for holding and raising a group of seedling body rows and floating from a seedling raising box 1; The seedling scooping plate 5 is inserted between the seedling raising box 1 and the bottom surface, so that the mat seedlings 2 can be easily detached from the seedling raising box 1 quickly, and the seedling removal operation is performed accurately and efficiently. be able to. Further, it is possible to easily supply the mat seedlings taken out of the nursery box 1 to a seedling plant seedling tank or the like.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A nursery box 1 is in the form of a rectangular box, and is filled with a nursery bed material such as floor soil for seeding and raising seedlings. The roots elongate and become entangled with each other, and the seedling body extends upward, so that a mat-shaped seedling, that is, the mat seedling 1 grows. The mat seedlings 1 grown in such a seedling raising box 1 have a strong adhesion of the root hairs to the bottom surface and the inner peripheral surface of the seedling raising box 1. It is removed from the nursery box 1 while being pinched and lifted. The mat seedlings 2 thus taken out of the seedling raising box 1 are supplied to a seedling tank 6 of a seedling planter and separated and planted by a seedling planting device 7.

The seedling holding rods 3 and 4 for removing the mat seedling 2 from the seedling raising box 1 are formed by forming a thin rod into a square ring shape.
A seedling holding portion 8 slightly longer than the lateral width of the nursery box 1 is formed in the lower side in a parallel shape, and the surface is covered with a synthetic resin material or the like so that the seedling holding surface has elasticity to make the holding force uniform. At the same time, the nipping seedlings are not damaged. The pair of seedling holding rods 3, 4 is provided so that the upper part thereof can be rotated back and forth around the opening / closing pin 10 with respect to the tip of the lift arm 9. 11 can be pinched and released from front and rear. The opening and closing of the seedling holding rods 3 and 4 is performed by a retractable opening / closing cylinder 12 provided above the opening / closing pin 10. The opening / closing cylinder 12 is connected between the upper ends of the seedling holding rods 3 and 4, and is expanded and contracted by hydraulic pressure, air force, electromagnetic force, or the like.

Reference numeral 13 denotes a support rod for supporting the lift arm 9. The support rod 13 and the lift arm 9 are connected by an extendable lift cylinder 14 so that the seedling holding rods 3, 4 can be raised and lowered. When the lift arm 9 moves down, the seedling holding rods 3 and 4 are located in front and rear of the 11 rows of seedling body portions at the front end of the mat seedling 2 with the front and rear open.
4 is closed by the opening / closing cylinder 12 and the seedling body 11
Is held between the seedling holding portions 8. When the lift arm 9 is lifted, the seedling holding rods 3 and 4 are raised, and the mat seedling 2 is lifted while holding the seedling body 11. The mat seedling 2 has the entire width at one of the front and rear ends of the seedling raising box 1 raised, and the attachment portion between the inner surface of the seedling raising box 1 is peeled off. The mat seedlings 2 are sequentially separated and taken out.

When the above-mentioned seedling holding rods 3 and 4 are used as mere seedling holding tools in a portable form capable of sliding operation,
A handle for gripping operation may be provided on each of the seedling holding rods 3 and 4 instead of the lift arm 9 and the like. Seedling scooping plate 5 used to peel mat seedling 2 from seedling box 1
Is a flat plate having a width capable of moving in the front-rear direction along the inner bottom surface in the seedling raising box 1, having a blade edge 15 formed at a leading edge thereof, and a base provided with a slide stay 16 so as to be extended and contracted by an air cylinder or the like.
, And is turned up and down by a geared motor 18 and a gear mechanism 19 driven by the geared motor 18 around a folding shaft 17 which is lateral to the slide stay 16. The scooping angle of the seedling scooping plate 5 can be adjusted by the geared motor 18.

Reference numeral 20 denotes a telescopic cylinder for moving the slide stay 16, which is connected between the slide stay 16 and a support arm 21 at the base thereof. When the mat seedlings 2 scooped by the seedling scooping plate 5 are supplied from the seedling box 1 of the seedling planter to the seedling tank 6 of the seedling plant 22, the support for supporting the seedling scooping plate 5 is provided. The arm 21 can be turned back and forth on the frame 26 on the seedling transplanter body 3. The seedling scooping plate 5 is turned downward around the folding shaft 17 by the geared motor 18 toward the rear, and the mat seedling 2 is moved by scooping.
Can be supplied onto the seedling tank 6.

When the mat seedlings 2 are to be lifted by holding the mat seedlings 2 from the seedling raising box 1 with the seedling holding rods 3, 4, the seedling scooping plate 5 is moved between one end of the seedling raising box 1 and the lower surface of the floating portion of the mat seedling 2. When the seedlings are inserted into the gap, the seedling scooping plate 5 pushes the mat seedlings 2 apart from the bottom surface of the seedling box 1 and can be scooped. Lightening the load on the mat seedling 2 without damaging it.

The seedling holding rods 3 and 4 and the seedling scooping plate 5 as described above are mounted on the seedling planting machine, and the mat seedlings 2 are automatically supplied to the seedling tank 6 of the seedling plant 22. it can. In the seedling planting machine, a seedling plant 22 is connected to the rear side of a riding tractor vehicle body 23 for four-wheel traveling via a lift link 25 composed of a parallel link mechanism which is raised and lowered by expansion and contraction of a lift cylinder 24. The seedling holding rods 3 and 4 and the seedling scooping plate 5 are arranged on the rear end of the vehicle body 23, and can supply the mat seedling 2 onto each seedling tank 6.

The vehicle body 23 of the seedling planter is a four-wheeled riding tractor. The front and rear wheels 27 and 28 can run in conjunction with the engine 30 below the cockpit 29. The wheels 27 can be steered. The seedling box 1 containing the mat mat 2 for replenishment is supported by the seedling box holder 32 on both left and right sides of the front steering handle 31 of the vehicle body 23. The seedling raising box 1 containing the seedling holding rods 3, 4 and the seedling scooping plate 5, and the mat seedlings 2 scooped by these, at the rear side of the cockpit 29.
The support 33 and the like are arranged.

A support arm 21 for supporting the seedling scooping plate 5
Has a slider frame 26 at the bottom and is controlled to move along a long rail 34 on the left and right. This frame 26
Support 33 placed at a fixed position such as the center by the movement of
Mat seedling 2 scooped by seedling scooping plate 5 from nursery box 1 above
Is moved to the upper part of the seedling tank 6 to be supplied to be in a posture of supplying the mat seedling 2.

The seedling plant 22 and the seedling tank 6 are arranged in parallel in the horizontal direction according to the number of seedlings of the seedling planting device 7, and receive the mat seedling 2 supplied from the seedling scooping plate 5. The seedlings are fed to the rear lower seedling planting device 7 to perform seedling planting. Seedling plant 2
In the lower part of 2, a center float 35 and a wall float 3
6 and the like, and the seedling plant 22 while sliding on the soil surface.
Seedlings are planted on the soil surface leveled by the floats 35, 36 and the like.

In a mode in which the supply of the mat seedlings to the seedling tanks 6 by the seedling scooping plate 5 is automatically controlled, a decrease in the number of the matte seedlings 2 in the seedling tank 6 is detected by a sensor 37. The seedling scooping plate 5 by the frame 26 is moved to the seedling tank 6 detected by the sensor 37 and the support arm 2 is moved.
1 is turned to the rear side, the seedling scooping plate 5 is tilted rearward and downward by the geared motor 18, and the mat seedlings 2 are fed down.

At this time, every time the mat seedling 2 is taken out from the seedling box 1 on the support 33 by the seedling holding rods 3, 4 and the seedling scooping plate 5, the empty seedling box is removed and the seedling box is removed. The seedling raising box 1 in which the mat seedlings 2 are accommodated can be replaced from the holder 32 and the subsequent mat seedlings 2 can be taken out and supplied. For this reason, the pilot simply moves the nursery box 1 and the empty box back and forth while sitting in the cockpit 29,
Since the mat seedlings 2 are automatically supplied to the seedling tank 6, labor saving can be achieved and work efficiency can be improved.

The seedling holding rods 3, 4 are lowered from above the seedling raising box 1 toward the upper surface of the mat seedling 2, so that the seedling body 1
When the seedling portion 11 is opposed to the holding position for holding the seedling, the seedling portion 11 may be damaged by being pressed. Such a defect can be eliminated by adopting a configuration in which the device is moved and inserted.

[Brief description of the drawings]

FIG. 1 is a side view and a rear view of a seedling holding rod portion.

FIG. 2 is a side view of a seedling scooping plate.

FIG. 3 is a side view showing the seedling scooping action.

FIG. 4 is a side view of the seedling plant;

FIG. 5 is a side view thereof.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nursery box 2 Mat seedling 3 Seedling holding rod 4 Seedling holding rod 5 Seedling scooping board

Claims (2)

[Claims] 1. A pair of seedling holding rods 3, 4 are configured to be openable and closable. A mat seedling removal device for a nursery box, wherein the mat seedling 2 is peeled off and floated. 2. A pair of seedling holding rods 3, 4 which are configured to be openable and closable and hold the seedling row of mat seedlings 2 and lift the mating seedlings. A mat seedling removing device for a nursery box which has a seedling scooping plate 5 to be inserted, and is capable of scooping and transferring a mat seedling 2 peeled off by the seedling holding rods 3 and 4 and the seedling scooping plate 5 from the seedling raising box 1. .