JPS5837211Y2 - Structure of the seedling delivery part in the seedling feeding device of the transplanter - Google Patents

Description

[Detailed description of the invention] This invention is a seedling delivery device for a transplanter that is composed of a vertical conveyance belt device and a horizontal conveyance seedling box device. It is related to the structure of

In this case, a vertical conveyance belt device 2 is supported on the machine frame 1, a horizontal conveyance seedling box device 3 is installed adjacent to the transfer end of the belt device 2, and a seedling holding box 4 is installed in parallel to the seedling box device 3. The belt device 2 delivers the seedlings 5 into the seedling holding box 4, and the delivered seedlings 5 are supplied from the seedling holding box 4 to the planting device 6. A seedling fall resistance plate 7 is rotatably supported on the edge of the vertical conveyor belt device 2 on the side opposite to where the terminal end is located, and the seedlings 5 are supported via the resistance plate 7. By providing a structure for the seedling delivery section configured to perform delivery, it is possible to ensure that bed-attached seedlings such as tobacco seedlings and cabbage seedlings placed on the vertical conveyance belt device are delivered to the horizontal conveyance seedling box device, as well as to facilitate the transfer. The purpose is to prevent damage to the seedling bed by correcting the posture of the seedlings in an upright position and alleviating the impact of falling during delivery.

To explain the embodiment shown in the drawings, the human body is a traveling machine as a transplant machine, and an engine 9 is installed at the front of the machine base 8.
A running wheel 11 is mounted on the engine 9 and is interlocked and connected to the engine 9 via a transmission 10, and is pivotally supported at the bottom of the machine base 8. A guide wheel 12 is supported at the front of the machine base 8 and is operated at the rear. Bundles 13 are installed in series.

Reference numeral 6 denotes a planting device, which is composed of a link mechanism 14 provided in the front-rear direction of the machine body A and a seedling holder 15 supported at the tip of the ring mechanism 14, and a pair of F-shaped links shifted in the front-rear direction. Swinging arm 17 whose base end of 16°16 is pivotally supported on the machine base 8
A crank arm 18 is pivotally supported at the middle part of the links 16, 16, and the seedling holder 15 is supported between the tips of the links 16, 16.

The crank arm 18 is supported by a crankshaft 20 that is pivotally supported by a planting mission 19, and the crankshaft 20 is operatively connected to a planting main shaft 21 that is pivotally supported by the planting mission 19.

The planting main shaft 21 is operatively connected to the engine 9 via a drive transmission 22.

The seedling holder 15 rotatably supports a pair of half-cup bodies 23, 23, which are obtained by dividing an inverted conical cylinder in half, at the tips of the links 16, 16, and inside the half-cup bodies 23, 23. A seedling guide tube 24 having an elliptical upper end opening is supported, and a lower end opening of the seedling guide tube 24 can be opened and closed by the rotation of the half-cup bodies 23, 23.

When transplanting the seedlings 5 using the planting device 6, the link mechanism 14 that is linked to the crankshaft 20 is rotated in conjunction with the traveling of the machine A, and as the link mechanism 14 is rotated, the seedling holder 15 is moved. It is intended to be raised and lowered by following the trajectory shown by the imaginary line in Fig. 1.

The seedlings 5 are supplied to the planting device 6 when the seedling holder 15 rises to the upper end of the trajectory, and the seedlings 5 are fed from the seedling feeding device B into the seedling guide tube 24, and then the seedlings 5 are fed to the seedling guide tube 24 by the crankshaft. By lowering the seedling holder 15 as the seedling holder 20 rotates, the half-cup bodies 23, 23 penetrate into the field, and then the half-cup bodies 2
3 and 23 to expand the planting hole and drop and transplant the seedling 5 into the same planting hole. Next, while closing the half-cup bodies 23 and 23, the seedling holder 15 is raised, and the same procedure as described above is carried out. The seedlings 5 are successively transplanted by the operation.

The seedling feeding device B includes a pair of vertical conveyor belt devices 2, 2' and the same belt device 2. z, and a horizontally conveying seedling box device 3 installed adjacent to the end of the transition.

The vertical conveyor belt devices 2, 2' are arranged in parallel above the center of the machine A at a constant interval t, and the belt devices 2, 2' are arranged intermittently from the front of the machine A toward the rear. Drive rollers 25 and 25', which are pivotally supported on the machine frame 1, are equipped with drive sprockets 26 and 26, respectively.
' are provided facing each other, and a floating sprocket 27 is pivotally supported between the sprockets 26 and 26'.
A driving chino 28 linked to the crankshaft 20 is interlocked with a conveying shaft 29 that is interlocked with the crankshaft 20, and intermittent chinos 30, 30' are attached alternately at regular intervals on both sides of the open driving chino 28. By linking the intermittent chains 30, 30' to the driving sprockets 26, 26', respectively, the longitudinal conveying belt devices 2, 2' can be moved intermittently at regular intervals.

In addition, the vertical conveyor belt devices 2, 2' have seedling placement rows 3 in the transfer direction.
1, 31', and the belt device 2, 2'
By installing partition rods 32 between the front and rear ends of the partition rods 32 and arranging the partition rods 32 in parallel in the horizontal direction at the same intervals as the above-mentioned constant interval t, the seedling placement rows 31 31' divided by the partition rods 32 can be separated in the horizontal direction. It is formed in parallel with.

Furthermore, each of the belt devices 2.7 is provided with a protruding partition line 33 perpendicular to the transfer direction, and the partition line 33 divides the seedling placement rows 31, 31' in the vertical direction, and within the partitioned frame. A large number of seedlings 5 are placed one by one on the belt device 2° 2' in parallel in the vertical and horizontal directions.

The horizontal conveyance seedling box device 3 is installed adjacent to the end of the transfer of the vertical conveyance belt devices 2, 2', and reciprocates intermittently in a direction perpendicular to the transfer direction of the belt devices 2, 2'.

The seedling box device 3 includes seedling holding boxes 4 arranged in parallel in the transfer direction and a pair of bottom supports that constitute the bottom plate of the seedling holding box 4 and a floating belt 34° 34'. The inside of an outer box 35 with an open top and bottom is divided by a partition wall 36 at the same intervals as the above-mentioned constant interval t, and one more seedlings are arranged in parallel than the number of the above-mentioned seedling placement rows 31, 31'. be.

At the upper end opening of the seedling holding box 4, seedling fall resistance plates 7 are independently provided on the side where the terminal end of the vertical conveyance belt device 2 is located and on the opposite side of the opening. A resistance plate 7 facing toward the belt apparatuses 2 and 2' is rotatably supported on the side surface adjacent to the vertical conveyance belt apparatuses 2 and 2', and the base end of the resistance plate 7 is attached to the seedling holding box 4. A spring 3 as a bullet extends outwardly from the seedling holding box 4 and extends outwardly from the seedling holding box 4.
A stopper 38 is attached to the seedling holding box 4 with the stopper 7 interposed therebetween and in contact with the extension part 7', and the tensile force by the spring 37 is stopped by the stopper 38 to hold the resistance plate 7 in an upward position. The spring 3 uses the resistance plate 7 as a bullet.
7 and is rotatably supported.

The bottom support is the floating belt 34, and the 34' is the belt device 2.
.

Both ends of the outer box 35 are supported by the floating belts 34, 34', and the seedling holding box 4 with the floating belts 34, 34' as a bottom plate is movably installed between the floating belts 34, 34'.

Then, the seedling box device 3 is moved back and forth intermittently in a direction perpendicular to the moving direction of the belt devices 2, 2', and an intermittent rotating pinion 40, which is interlocked and connected to the conveying shaft 29 via a reciprocating clutch 39, is removed. By meshing with a bottle lug 41 attached to the side surface of the box 35 adjacent to the belt devices 2, 2', the seedling box device 3 can be moved back and forth intermittently.

Further, the switching operation of the reciprocating switching clutch 39 is linked to the shifting operation of the seedling box device 3, and the clutch 39 is linked to switch at the end of the intermittent shifting of the seedling box device 3 in one direction.

Therefore, when transferring the seedlings 5 from the vertical conveyance belt devices 2, 2' to the horizontal conveyance seedling box device 3, the same belt device 2 intermittently once, and the seedlings 5 in the front row are transferred to the seedling holding box 4.
It is made to fall inside.

Also, due to this intermittent transition, the seedlings 5 in the second row are moved to the front row.

In this case, the clutch 39 is in a switched state, and the seedling box device 3 can be moved intermittently to the other belt device 2' side.

Then, the seedling box device 3 is moved intermittently, and the seedlings 5 held by the floating belt 34 in the seedling holding box 4 are sequentially and intermittently conveyed by the floating belt 34 and dropped sequentially from the interval t, and the seedlings 5 are sequentially dropped at the same interval t'. It is supplied into the seedling holder 15 which moves up and down below.

Then, the seedlings 5 are transferred from the belt device 2' to the seedling box device 3 that has moved to the end of the transfer of the other belt device 2', and at the end of the transfer of the seedling box device 3, the clutch 39
, transfer the seedlings 5 to the seedling box device 3 from the other belt device 2' in the same manner as the transfer from the belt device #2 described above, and then move the seedling box device 3 intermittently in the opposite direction to transfer the seedlings 5 to the seedling holding box 4. The seedlings 5 are fed in the same way into the seedling holder 15 from the interval t', and the seedlings 5 are
can be continuously supplied to the planting device 6.

The seedlings 5 transferred from the vertical conveyance belt devices 2, 2' to the seedling box device 3 are transferred via the seedling drop resistance plate 7, and are transferred outward from the transfer end of the belt devices 2, 2'. The seedlings 5 falling at an angle fall onto the resistance plate 7 provided on the opposite side of the transition end of the belt device 2, and the resistance plate 7 is fired 37 while the image side is brought into sliding contact with the surface of the resistance plate. The resistance plate 3 is rotated downward against the
While sliding down on the seedling holding box 4, the seedling changes its posture from tilting toward the resistance plate to an upright posture, and falls into the seedling holding box 4 in that state.

Since the present invention is configured as described above, when transferring seedlings from the vertical conveyance belt device to the horizontal conveyance seedling box device, it is possible to reduce and prevent damage to the seedbed part due to impact from falling, and to correct the falling posture to an upright position. This has the effect of ensuring the delivery of seedlings.

[Brief explanation of the drawing]

Figure 1 is an overall side view of the transplanter showing the structure of the seedling delivery section in the seedling supply device of the transplanter of the present invention, Figure 2 is a plan view of the same, and Figures 3 and 4 are the drive structure of the seedling supply device, respectively. 5 is an enlarged view showing the 1-1 line in FIG.
The figure is a cross-sectional side view of the main part of the present invention. 1...Machine frame, 2...Vertical conveyance belt device, 3...Horizontal conveyance seedling box device, 4...Seedling holding box, 5... ... Seedling, 6 ... Planting device, 7
... Seedling fall resistance plate, A ... Traveling machine,
B... Seedling feeding device.

Claims (1)

[Scope of utility model registration request] A vertical conveyor belt device 2 is supported on the machine frame 1, and the belt device 2
At the end of the transition, a horizontal conveying seedling box device 3 is installed adjacent to the belt device 2 in a direction perpendicular to the seedling box device 2, and a seedling holding box 4 is installed in parallel to the seedling box device 3. Holding box 4
The device is configured to deliver the delivered seedlings 5 to the planting device 6 from the seedling holding box 4, and to connect the top opening of the seedling holding box 4 to the side where the terminal end of the vertical conveyance belt device 2 is located. The structure of the seedling delivery part is configured such that a seedling fall resistance plate 7 is rotatably supported on the opposite side mouth edge so as to be rotatable against a bullet, and seedlings 5 are delivered via the resistance plate 7.