JPH077A - Seedling planting equipment - Google Patents

Abstract

(57) [Summary] [Purpose] An auxiliary step 51 is provided in front of the interval A between the feeding devices 13 for feeding the pot seedling case 1 to improve workability. [Structure] A pot seedling case 1 in the form of a pot nursery bed is supplied, and potted seedlings 4 are planted in multiple rows by a seedling planting device 15.
While the pot seedling case 1 is intermittently fed by the feeding device 13, each pot seedling is extruded by the seedling extruder 3. A space A is formed between the left and right seedling feeding devices 13, and an auxiliary step 51 is provided in front of the space A. The auxiliary step 51 is attached to and supported by the vehicle body 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling planting machine for potting seedlings grown in a seedling raising case in the form of a pot raising seedling, and between potting seedling case feeding devices in a multi-row planting form. Improve the workability by effectively using the space.

[0002]

2. Description of the Related Art A seedling planting machine using a pot seedling case in the above-mentioned pot raising type is a seedling feeding device in units of square-shaped constant-width pot seedling cases. Since it is supplied to the device, the height becomes high, and it is difficult to perform maintenance, operability, and replenishment and correction of this pot seedling case in the multi-row planting configuration.

[0003]

The present invention is directed to a seedling feeding device 13 for intermittently feeding a pot seedling case 1 in the form of a pot nursery bed downward, and a pot seedling case 1 fed from this pot seedling case 1. 4 for extruding seedlings 4, a seedling planting device 15 for receiving and supplying pot seedlings 4 extruded and separated by the seedling extruder 3, and a seedling planting device 15 after extruding the pot seedlings 4. Having an empty case storage shelf 16 for storing an empty case,
In a multi-row planting machine having a float 10 that slides on the soil surface and is capable of moving up and down with respect to the vehicle body 7, between the left and right seedling feeding devices 13 to the empty case storage shelves 16 Space A
Auxiliary step 51 that can step up to the front position opposite to
Is supported by the car body 7 part.

[0004]

[Operation and Effect of the Invention] At the time of seedling planting work, the pot seedling case 1 is supplied to each seedling feeding device 13 so that the seedling planting device is operated by the vehicle body 7.
The float 10 is grounded and made to travel in the lowered state. The pot seedling case 1 that is fed downward by the seedling feeding device 13 is pushed by the seedling extruder 3 and the pot seedlings 4 are extruded and separated. The pot seedlings 4 are supplied to the seedling planting device 15 and planted on the soil surface.
The empty cases in which the pot seedlings 4 have been extruded by the seedling extruder 3 are delivered and stored in the empty case storage rack 16.

In such a seedling planting machine, when the pot seedling case 1 is supplied to each seedling feeding device 13 or the empty case stored in each empty case storage rack 16 is taken out, When performing maintenance such as removing seedling clogging in the seedling feeding device 13 or the like, step on an auxiliary step located in front of the space A between the left and right seedling feeding devices 13 or the empty case storage shelves 6. Therefore, these operations and operations are performed. Therefore, this auxiliary step is performed in the space A between the left and right seedling feeding devices 13 and the like.
Therefore, the operator is less likely to be disturbed by the high seedling feeding device 13, and the worker can enter the space portion A deeply and easily and safely perform work, operation and the like.

[0006]

EXAMPLE A seedling planting machine is connected to a rear side of a tractor vehicle body 7 by a parallel link 8 so as to be able to move up and down, and a lower end of a seedling planting machine 9 is provided with a float 10 whose front end is vertically swingable. Have,
On the upper side, a seedling placement table 11 on which the pot seedling case 1 is placed, a seedling case guide 2 for guiding the pot seedling placement case 1 supplied from the seedling placement table 11 by a feeding device 13, A pot seedling separating device 14 that extrudes and separates each pot seedling 4 from the pot seedling case 1 by a seedling extruder 3, and a seedling receiving belt 5 that receives and supplies the pot seedling 4 that has been extruded and separated to a seedling planting device 15. A transfer device 20 for receiving the pot seedlings extruded and separated by the seedling extruder 3 and placing them on the upper surface of the seedling receiving belt 5, and an empty case after the pot seedlings 4 have been extruded and separated in this way. Empty case storage shelf 16
Etc., and the seedling planting device 15 is arranged in the rear part.

The pot seedling case 1 is formed by arranging round pot-shaped pots 17 made of synthetic resin at regular intervals in the vertical and horizontal directions, and has flexibility. Holes 18 for feeding are formed at regular intervals along the left and right edges of the pot seedling case 1. The pot seedlings 4 are obtained by filling each pot 17 of the pot seedling case 1 with a floor material and sowing seedlings, and transplanting the seedlings grown in each pot 17 as a unit. At the bottom of each pot 17, the pot seedling separation device 1
An extrusion hole 19 through which the seedling extruder 3 in 4 can be inserted is formed.

The seedling case guide 2 is formed in a U-shape in a side view, and the left and right edges of the plate-shaped pot seedling case 1 are formed on the left and right sides of the seedling case guide 2. The guide passage 34 having a U-shaped cross section in plan view is slidably guided so that the U
The letter-shaped guide 2 is transferred and guided so as to detour from the rear side to the front side, and the seedling extruder 3 is caused to act on the seedling extruding unit 3 at the front side, and an empty case storage shelf is provided as an empty case at the rear side. Let me guide you to 16.

The feeding device 13 provided at the leading end of the guide passage 34 of the seedling case guide 2 engages with the feeding hole 18 of the pot seedling case 1 and the pot seedling case 1 is pitched. Feeding pawl 21 for feeding and feeding, feeding hole 1 for each 1 pitch
8 for engaging with the pot seedling case 1 to lock the feeding position of the pot seedling case 1, and the subsequent feeding provided at intervals to the pot seedling case 1 fed by the feeding pawl 21. Engage with the lower edge of the pot seedling case 1 to connect this succeeding pot seedling case.
Shut-off claw 23 that keeps the supply of slot 1 at a fixed position, and pot seedling case 1 that is fed by feed-out pawl 21.
It is composed of a brake 24, etc. that exerts a frictional brake force on the.

A rotating arm 25 which is interlocked via a transmission mechanism inside a transmission case which constitutes the seedling planting machine 9, and a reciprocating movement of the feeding claw 21 which is pivotally attached 27 to the rotating arm 25. By shaking, the pot seedling case 1 is fed out every pitch. During the feeding action of the feeding claw 21, the locking claw 22 is disengaged from the feeding hole 18 by the swing of the rotary arm 25.
The pot seedling case 1 is placed in a state where it can be fed out.

The blocking claw 23 is provided on a slider 31 which is movable in the feeding direction with respect to the seedling case guide 2 so as to be rotatable around a lateral shaft 32, and is blocked by a spring 33. Is ejected so as to be located in the guide passage 34 through which the side edge portion having the feeding hole 18 of the pot seedling case 1 passes. At the lower end of the blocking claw 23, there is a cam lever 36 which is rotatable around a shaft 35 in a direction orthogonal to the shaft 32, and moves laterally outward of the seedling case guide 2 against a spring 37. When the cam lever 36 is rotatable and in the downward direction due to the elastic force of the spring 37, the tip end of the cam lever 36 is integrated with the seedling extruder 3 and is in the same side-by-side position, and the seedling case guide 2 is provided.
Is opposed to the cam protrusion 38 located outside.

The slider 31 is a seedling case guide 2
The guide pin 39 is fitted with the elongated hole 40, is movable along the guide passage 34 of a constant length, and is suspended by the buffer spring 63 having a large spring coefficient and the spring 64 having a small spring coefficient. At a position where the slider 31 is moved downward by a certain length against the spring 64, the slider 31 can be moved downward against the buffer spring 63.

When the pot seedling case 1 is guided from the seedling placing table 11 to the guide passage 34 of the seedling case guide 2 and supplied, the rear end portion of the pot seedling case 1 already supplied. If there is a space between them, the lower edge of the subsequent pot seedling case 1 collides with the blocking claw 23. This impact force is the spring 64
And cushioning spring 63. At this time, even if the amount of downward movement of the feeding claw 23 is small, it can be moved downward against the weak spring 64 and the cam lever 36 at the lower end can be positioned within the working range of the cam protrusion 38. When the seedling extruding member 3 is already in operation, that is, when the cam protrusion 38 is projected, the tip end of the cam lever 36 is placed in the cam protrusion 38.
The cam lever 36 and the blocking claw 23 do not interfere with the downward movement of the cam lever 36 because the cam lever 36 is rotated outward against the spring 37. Moreover, when the cam protrusion 38 strikes the lower position of the cam lever 36, the blocking claw 23 is rotated around the shaft 32 against the spring 33, so that the blocking side 23 is guided by the guide passage 3.
4 pulls in and unlocks pot seedling case 1,
It is moved downward and supplied to the working area of the feeding claw 21.
At this time, the blocking load of the pot seedling case 1 is removed from the blocking claw 23, so that the blocking claw 23 is returned to its original position by the spring 64.

Reference numeral 65 is a spring for the brake 24, and 66.
Is a spring for tensioning the locking claw 22 so as to project around the shaft 71 toward the guide passage 34 side. The pot seedling separation device 14
The seedling extruders 3 are provided at the same number and at the same intervals as the number of pots 17 arranged in the pot seedling case 1 along the lateral direction, and are fed out by a transmission mechanism such as a pinion or a rack. When the feeding is stopped by the pawl 21, the reciprocating operation is performed for one reciprocation, and the pot seedlings 4 are extruded from the horizontally arranged pots 17 at the opposing positions.

In the replacement device 20 described above, the pot seedlings 4 extruded by the seedling extruder 3 are held by side-by-side seedling holders 42 vertically moved by a parallel link mechanism 41.
The seedling holder 42 is moved downward by the downward movement of the parallel link mechanism 41, and the comb-shaped scraper 43 is swung at a position close to the upper surface of the seedling receiving belt 5 from the seedling holder 42 to the upper surface of the seedling receiving belt 5. Replace each pot seedling 4 with.

The seedling receiving belt 5 is provided with partitioning protrusions 44 on the rotation peripheral surface at the same intervals as the seedling holders 42 are arranged side by side, and the pot seedlings 4 are arranged at intervals between the partitioning protrusions 44. Place one. The seedling receiving belts 5 are configured as a pair of left and right so as to rotate from the central portion toward the left and right sides with respect to one pot seedling case 1, and the seedling receiving belts 5 are respectively provided on the rotation end side. A planting device 15 is provided. The seedling planting device 15 has a rotary type seedling planting nail, and has a seedling receiving belt 5.
The pot seedlings 4 delivered by
Plant on a soil surface leveled with 0.

Reference numeral 47 is an input shaft from the vehicle body 7 side, 48 is a drive arm for interlocking the crank arm 25 through a link mechanism or the like, and 49 is the seedling extruder 3 through a rack or pinion mechanism. A drive cam that works together, and 72 is the replacement device 2 described above.
It is a drive arm that links 0 parallel links 41 through a link mechanism or the like. The cover 6 provided along the lower portion of the seedling case guide 2 is formed into a plate shape or a horizontal cross shape, and is formed on the lower side of the U-shaped seedling case guide 2 on the seedling receiving belt 5 side. Of the seedling case guide 2 is covered. Therefore, the seedling extruder 3 can be used for the pot 17
Be extruded from and not completely retained by the seedling holder 42,
Even if there is a defective pot seedling that is attached to and transferred along with the feeding of the pot seedling case 1, the defective pot seedling is guided to the upper surface of the cover 6 and hung down toward the seedling receiving belt 5 side. Do not let it fall.

The lower end of the cover 6 is opened at the rear side of the seedling receiving belt 5, and the pot seedling case extends to this open portion.
The defective pot seedling taken out with the spout 1 can fall off the pot 17. The pot seedling case 1 extruded from the pot seedling 4 by the seedling extruder 3 is used as an empty case.
The rear side part of the sguide 2 is lifted up, and the empty case storage shelf 16
Loaded on.

The feeding claw 21 is deeply fitted to the guide passage 34 in a state where the seedling case guide 2 does not have the pot seedling case 1, and the head of the feeding claw 21 is used as a stopper 45 for pot seedling. The case 4 is located within the moving range of the case 1, and the lower end edge of the pot seedling case 1 supplied at this time is moved to this stopper-4.
Lock with 5. First pot seedling case 1 supplied,
Although the stopper 45 of the feeding claw 21 is once engaged, the swinging of the feeding claw 21 engages with the feeding hole 18 of the pot seedling case 1 to perform the feeding action. At this time,
Since the feeding claw 21 slides on the side edge surface of the pot seedling case 1, the fitting of the feeding claw 21 is shallow, and the stopper 45 does not lock the supply end portion of the pot seedling case 1.

With such a construction, when the feeding claw 21 is in the upward movement position, the locking claw 22 is pushed out from the guide passage 34, and the seedling pusher 3 is in the retracted position, Since the feeding claw 21 is deeply embedded in the guide passage 34, even if the subsequent pot seedling case 1 is vigorously supplied, it is locked by the stoppers 45 of the feeding claws 22 on the left and right sides. The feeding position of the seedling case 1 can be accurately adjusted.

The seedling table 11 and the seedling case configured as described above
The sguides 2 and the like are arranged on the seedling planting machine body 9 so as to have a constant interval A on the left and right sides and to accompany the seedling planting device 15 for multi-row planting. In addition, each empty case storage shelf 16 also has a corresponding seedling case guide 2.
It is provided on the front side of. The auxiliary step 51 is supported by the support frame 52 with respect to the rear end portion of the vehicle body 7 on the front side of the spacing portion A. The operator or the operator can step on the auxiliary step 51 from the rear or front side of the seedling planting machine 9 on the operation floor 50 side or the like to perform a predetermined work or operation.

At each of the intervals A, seedling feeding levers 53 are provided.
Also, a seedling planting depth lever 54 and the like are provided. The seedling feeding lever 53 can manually feed the pot seedling case 1 in the feeding device 13 by operating the feeding claws 21 and the like. The seedling feeding lever 53 is provided for each seedling case guide 2. Also, the seedling planting depth lever 54
Is for vertically adjusting the position of the vertical swing support shaft of each float 10 with respect to the seedling planting machine 9, and operates all the floats 10 by operating a single seedling planting depth lever 54. Can be adjusted at the same time. These levers 53 and 54 are provided near the left and right ends of the spacing portion A so as not to interfere with getting on and off the auxiliary step 51.

When operating the levers 53, 54, etc., it is easy to operate if they are carried on the auxiliary step 51. A fertilizer application device including a fertilizer application hopper 55, a fertilizer feeding device 56, a fertilizer blower 67, etc. is provided on the rear side of the cockpit 52 of the vehicle body 7, and a fertilization pipe 58 is provided at the rear side.
The fertilizer blowers 67 blow the fertilizer fed from the fertilizer feeding devices 56 to guide fertilize the fertilizers. The auxiliary step 51 is provided on the rear side of the fertilizer application device.

11 and 12, the difference from the above example is that a fertilizer application device comprising the fertilizer application hopper 55, the fertilizer delivery device 56, and the like is provided between the left and right seedling delivery devices 13 and the seedling case guides 2. The fertilizer frame 6 which is provided at the interval A of the above and has a low center of gravity and is integrally connected to the seedling planting machine 9.
The fertilizer frame 67 is supported by 7 and is transmitted through a transmission mechanism inside the fertilization frame 67. From each fertilizer application to diffusion fertilizer pipe 6
Although the surface fertilization is performed by diffusing to the rear of the seedling planting position by No. 8, it is also possible to guide the fertilizer application by fertilizing pipes near each seedling planting position.

The seedling placing table 11 is composed of upper and lower two stages, and can be switched left and right with respect to the seedling feeding device 13, and the upper, lower, left and right seedling placing tables 11 face each other. It is configured such that the pot seedling case 1 is replenished by switching and communicating. With such a configuration,
The auxiliary step may be provided on the upper side of the fertilizer hopper-55 at a position not disturbed by the seedling stand 11.

Note that such a fertilizer application may be configured such that the fertilizer application is performed in combination with the deep-layer fertilizer application to the soil by the fertilizer applicator shown in FIG. 13 and 1
4, the difference from the above example is that the mounting frame 70 of the sun visor 69 that covers the upper side of the cockpit 52, the seedling planting device, etc.
Is projected rearward from the rear end of the vehicle body 7 through the space A. The rear end portion of the mounting frame 70 and the vehicle body 7 are
A sun visor 69 is provided so as to extend between the front part and the upper end of the auxiliary seedling mounting frame 73. 74 is an auxiliary seedling mounting frame 73
It is an auxiliary seedling placing rack attached to the rear of the seedling placing table 11, and the pot seedling case 1 to be replenished is placed on the rear seedling placing table 11.
Are provided along the outer side of the.

15 to 17, the difference from the above example is that the fertilizer application hopper 55 of the fertilizer application device, the fertilizer feeding device 56, etc. are arranged inside the seedling case guide 2 which is U-shaped in side view. And is attached to the seedling planting machine 9. In FIG. 16, the seedling feeding device 13 of the seedling case guide 2 is shown for each fertilizer application device.
It is installed between the side and rear empty case storage shelves 16 and the supply funnel 75 for the fertilizer application hopper 55 at the upper part is projected into the space A to facilitate fertilizer replenishment.

In FIG. 17, only the central fertilizer application device is installed inside the seedling case guide 2. However, the outer fertilizer application device is installed in the space A, and a groove is provided at the rear of each float 10. Fertilization is guided by the fertilization pipe 58 to the fertilization groove formed by the vessel 81. The grooving device 81 is attached to the rear part of the seedling planting machine 9. The transmission of the feeding roll of the fertilizer feeding device 56 of the fertilizer application is linked from a part of the transmission mechanism of the seedling planting machine 9.

18 and 19, the difference from the above example is that the lid 76 of the fertilizer hopper 55 in the fertilizer applicator provided inside the seedling case guide 2 and the shooter of the take-out port 77 for taking out the residual fertilizer. 78 and the like are provided along the rear side seedling feeding device 13 side of the seedling case guide 2, and the pot seedling case 1
With the seedlings removed from the seedling placing case guide 2, the lids 76 are rotated to the upper rear portion C to open the seedling placing case 2
Fertilizer can be supplied into the fertilizer hopper-55 from between. or,
When the lid 76 is closed, it is located at the position B along the lower side of the seedling case guide 2 and does not interfere with the feeding of the pot seedling case 1.

Further, the shooter 78 is formed in a gutter-shaped curved surface, and is pivotally supported 79 with respect to the seedling case guide 2 so as to be in a posture along the feeding locus surface on the bottom surface side of the pot seedling case 1. The rotation is switched between D and a posture E intersecting the feeding passage of the pot seedling case 1. Reference numeral 80 denotes a fertilizer container, which stores fertilizer taken out from the take-out port 77 to the rear of the seedling case guide 2 by a shooter 78.

[Brief description of drawings]

FIG. 1 is a partial side view of a seedling case guide and a feeding device section.

FIG. 2 is a side view showing a part of the operation thereof.

FIG. 3 is a side view showing a part of the operation thereof.

FIG. 4 is a side view showing a relationship between a pot seedling separating device portion, a seedling planting device portion, and the like.

FIG. 5 is a perspective view of a pot seedling case.

FIG. 6 is a development plan view of a part of the seedling planting device section.

FIG. 7 is a side view of the feeding device section showing another embodiment.

FIG. 8 is a front view thereof.

FIG. 9 is an overall side view.

FIG. 10 is a plan view thereof.

FIG. 11 is a side view showing another embodiment.

FIG. 12 is a rear view thereof.

FIG. 13 is a side view showing a part of another embodiment.

FIG. 14 is a rear view thereof.

FIG. 15 is a side view showing another embodiment.

FIG. 16 is a rear view thereof.

FIG. 17 is a rear view showing another embodiment.

FIG. 18 is a side view showing another embodiment.

FIG. 19 is a rear view thereof.

[Explanation of symbols]

 1 Pot Seedling Case 2 Seedling Case Guide 3 Seedling Extruder 4 Pot Seedling 5 Seedling Support Belt 7 Vehicle Body 10 Float 13 Seedling Feeding Device 15 Seedling Planting Device 16 Empty Case Storage Shelf 51 Auxiliary Step A Interval

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sumi Fukushima No. 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A seedling feeding device 13 for intermittently feeding a pot seedling case 1 for raising pot seedlings downward, a seedling extruder 3 for pushing a pot seedling 4 from the fed pot seedling case 1, A seedling planting device 15 for receiving the supply of the pot seedling 4 extruded and separated by the seedling extruder 3 and planting it in the soil, and an empty case for housing the empty case after the pot seedling 4 has been extruded. In a seedling planting machine of a multi-row planting type having a storage container 16 and the like, and having a float 10 sliding on a soil surface, and capable of moving up and down with respect to a vehicle body 7, each of the left and right seedling feeding devices 13 to empty. Case storage shelf 1
6. A seedling planting device in which an auxiliary step 51 that can be stepped up is supported by the vehicle body 7 at a front position opposite to the space A between the six.