JP2003199408A - Seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seedling transplanter capable of solving problems that mud sticks to the outer peripheral surfaces of planting cups to gradually and firmly fix the mud thereto while continuing planting operation of seedlings and transplanting holes are excessively enlarged or the fixed mud breaks the peripheral edges of the transplanting holes and embeds planted seedlings when planting operation is continued in the sate of the planting cups with firmly fixed soil, thus resulting in dropping the broken soil to the bottoms of the transplanting holes, providing an irregular planting depth of the seedlings or changing the seedlings into a tilted state so that the growth of the seedlings planted in the state is bad and the yield is lowered. <P>SOLUTION: This seedling transplanter is equipped with a seedling planting body 60 having an upper part coupled to an operating mechanism and describing a vertical moving locus and planting cups 60A' and 60B' installed in the lower part thereof and performing transplanting of the seedlings in a field. In the seedling transplanter, tips of scrapers 116 of mud removing tools 114 and 115 for removing the mud sticking to the planting cups 60A' and 60B' are arranged in vertical operating regions of the planting cups 60A' and 60B'. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling transplanting machine provided with a mud removing tool for removing mud adhered to a planting cup for drawing a vertical locus and planting seedlings.

[0002]

2. Description of the Related Art Conventionally, in cultivating tobacco, lettuce, Chinese cabbage, etc., seedlings are planted by a transplanter equipped with a planting cup that moves up and down by a vertically operating mechanism. Here, the planting cup forms a transplant hole by piercing the field when it descends while holding the seedlings,
Seedlings are planted in the transplant holes by opening at the lowest position.

[0003]

While the work of planting seedlings is continued, mud soil adheres to the outer peripheral surface of the planting cup and gradually becomes firmly fixed. If you continue planting with the mud adhered to the outer peripheral surface of the planting cup, the transplant hole will grow larger than necessary, or the adhered mud will collapse the periphery of the transplant hole and fill the planted seedling. Or
The collapsed soil may fall to the bottom of the transplant hole and the planting depth of the seedling may not be constant or the planting state of the seedling may be inclined. Then, the seedlings planted in such a state do not grow well and the yield is reduced.

Therefore, it is necessary to remove the mud adhered to the outer peripheral surface of the planting cup, but since the removing work must be done manually by the worker, the work efficiency of the planting work is very time-consuming. Becomes worse. In addition, the removal work is very painful for the worker because the work is performed with the worker bending down.

[0005]

In order to solve the above-mentioned problems, the invention according to claim 1 is such that an upper part is linked to an actuating mechanism to draw a vertical movement locus, and a planting cup 6 provided on the lower part thereof.
0A 'and 60B' are seedling transplanters equipped with a seedling transplanter 60 for transplanting seedlings into a field, and the seeding cup 60
Planting cup 60A 'in the upper and lower working areas of A'and 60B'
And mud removing tool 11 for removing mud adhering to 60B '
The present invention according to claim 2 provides a plurality of mud removing tools 1 for the planting cups 60A 'and 60B'.
14. The seedling transplanting machine according to claim 1, wherein 14 and 115 are provided, and the tips of the plurality of scrapers 116 act to remove mud at different timings with respect to the planting cups 60A 'and 60B'. The described invention is the seedling transplanter according to claim 1, wherein muddy soil removing tools 114 and 115 that remove muddy soil are provided both when the planting cups 60A 'and 60B' are moved up and down. .

[0006]

According to the first aspect of the present invention, the upper part is linked to the actuating mechanism to draw a vertical movement locus, and the planting cups 60A 'and 60B' provided at the lower part of the invention transplant seedlings into the field. In the seedling transplanter equipped with the attachment 60, the scraper 116 tip of the mud removing tools 114, 115 for removing the mud adhering to the planting cups 60A 'and 60B' is arranged in the upper and lower working areas of the planting cups 60A 'and 60B'. Since it is a seedling transplanter that does not operate the scraper 116 even if it is not operated by a special operating mechanism.
Can remove the mud adhered to the planting cups 60A 'and 60B', can exert a good mud removal action with a simple structure, can open an appropriate planting hole in the field, and can plant seedlings well. Can be done.

The invention according to claim 2 is a planting cup 60.
A plurality of mud removing tools 114 for A ′ and 60B ′,
The seedling transplanter according to claim 1, wherein 115 is provided, and the tips of the plurality of scrapers 116 are configured to remove mud at different timings with respect to the planting cups 60A 'and 60B'. In addition to the effect of the invention of the present invention, the load applied to the operation mechanism of the seedling planting body 60 can be reduced as compared with the case where a plurality of scrapers 116 simultaneously remove the mud attached to the planting cups 60A ′ and 60B ′. The operation of the seedling plant 60 is stable, and proper seedling work can be performed.

The invention according to claim 3 is a planting cup 60.
The seedling transplanter according to claim 1 provided with mud removing tools 114 and 115 for removing mud both when A'and 60B 'are moved up and down. Since the mud removal action of the planting cups 60A 'and 60B' is performed twice by planting, the mud removal can be surely performed, and the seedling planting work is further improved.

[0009]

As described above, according to the present invention, the scraper 116 can remove the mud adhered to the planting cups 60A 'and 60B' without operating the scraper 116 with a special operating mechanism, which is simple. The structure can exert a good mud removal effect, and an appropriate planting hole can be opened in the field, so that the planting work of seedlings can be performed well. Further, it is possible to improve the efficiency of seedling planting work by eliminating the work of removing the adhered soil by hand and reduce the labor of the worker, and solve the problems of the conventional example with a simple configuration. be able to.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. The figure shows a seedling transplanter that supplies seedlings semi-automatically. This seedling transplanting machine 1 is a seedling supplying device 4, a seedling planting device 5, etc. while advancing the machine body while straddling the ridge U by a traveling portion 1a having traveling drive vehicles 2, 2 and ground sleds 3, 3. The planting section 1b consisting of 1 is used to plant seedlings on the upper surface of the ridge U. The operator appropriately steers the machine with a steering handle 6 provided at the rear of the machine, and supplies seedlings to the seedling supply device 4 while walking on the side of the machine during planting work.

The traveling unit 1a is a transmission unit mission case 7.
The engine 9 is arranged on the front side of the. The left side surface of the engine 9 has a hydraulic pump 10 driven by the power of the engine.
Is provided. A fuel tank 11 and the like are provided on the upper side of the engine 9, and the bonnet 12 covers the upper side thereof. A long connecting frame 13 having a rectangular shape in a side view is integrally provided on the rear surface of the traveling section mission case 7, and a front end portion of a main frame 14 that connects the traveling portion 1a and the steering handle 6 to the right end portion of the rear surface of the connecting frame. Are firmly connected. The main frame 14 is the planting section 1
It extends rearward through the right side of b in plan view, curves obliquely upward in the middle, and extends as it is to the rear position of the planting portion 1b. The steering handle 6 is fixedly attached to the rear end portion.

The traveling transmission cases 16 and 1 are attached to the rotating cylindrical portions 15 and 15 protruding from the left and right side surfaces of the traveling section mission case 7.
6 are integrally mounted, and rear wheels 2, 2 which are driving vehicles are pivotally supported on the outer side of the front end portion of the traveling transmission case. Further, front wheel support rods 18, 18 are attached to the left and right ends of a front wheel support frame 17 that is swingably provided around a pivot shaft 17a in the front-rear direction on the lower side of the engine 9 so that the height thereof can be adjusted. Ground sleds 3 and 3 that slide on the bottom of the field in the field are rotatably supported so that the front part can rotate up and down.

In a clayey highly viscous field, when the front wheels are used as wheels, mud adheres to the front wheels as the vehicle moves and the front wheels roll, and the front wheels are covered with a large mass of mud. As the outer diameter becomes different, the front part of the aircraft vibrates up and down to run, and it becomes impossible to plant decent seedlings. In addition, mud adheres to the left and right parts of the front wheel to form a large lump, which collides with the ridges on the left and right of the front wheel and collapses the ridge, or the lump of mud adhered to the front wheel hits the ridge. The plant does not move straight because it shakes to the left and right, and it becomes impossible to plant seedlings at the proper position on the upper surface of the ridge.

Therefore, as in this embodiment, the vehicle is driven by the rear wheels 2 and 2, and the front part of the machine body is supported by the ground sleds 3 and 3 to run on the field scene by grounding. By doing so, even in a clayey highly viscous field, it is possible to prevent the situation in which the front part of the machine body moves up and down and the case where the machine body cannot proceed in a straight line as described above. Planting work can be done.

The traveling unit 1a is provided with a machine body control mechanism for vertically moving the rear wheels 2 and 2 with respect to the machine body to control the machine body position. In this machine body control mechanism, a lifting cylinder 21 is provided rearward from a hydraulic valve unit 20 arranged on a traveling section transmission case 7, and a balance rod 22 is provided around a vertical axis at a tip portion of a piston rod of the cylinder. It is rotatably attached to. The piston rod slides along the guide shaft 24 supported at both front and rear ends or by the hydraulic valve unit 20 and the mounting member 23 mounted on the main frame 14. The left and right ends of the balance rod 22 and the swing arms 25, 25 fixed to the rotary cylinders 15, 15 are connected via connecting rods 26, 26. A rolling cylinder 27 is incorporated in the left connecting rod 26, and its length can be changed by expanding and contracting the cylinder.

The lifting cylinder 21 and the rolling cylinder 27 are operated by controlling the hydraulic oil supplied from the hydraulic pump 10 with a control valve (not shown) in the hydraulic valve unit 20. When the elevating cylinder 21 is expanded and contracted, the left and right rear wheels 2 and 2 move up and down in the same direction by the same amount, and the body moves up and down. Further, when the rolling cylinder 27 is extended and contracted, the left and right rear wheels 2 and 2 move up and down in the opposite directions by the same amount with respect to the machine body, and the machine body tilts left and right.

In the planting part 1b, the lower part of the planting part mission case 30 transmitted from the traveling part mission case 7 is fixed to the upper surface of the connecting frame 13, and the first planting part is mounted on the upper part of the planting part mission case. The base portion of the transmission case 31 is fixed, and further, the base portion of the second transmission case 32 with the plant is fixed to the tip portion of the first transmission case with the planting. The operation mechanism of the seedling planting device 5, which will be described later, is connected to the first planting transmission case 31 and the second planting transmission case 32. Also,
The seedling feeding device 4 and the seedling mounts 55 and 56 are attached to the upper frame 34 having the base fixed to the planting section mission case 30 so as to be located above the seedling planting body 60.

The seedling supplying device 4 includes a plurality of seedling supplying bodies 40, ...
Is provided with turntables 41 arranged at equal intervals on the circumference. The turntable 41 includes the upper frame 34.
It is rotatably provided on the support plate 42 fixed to the center axis 43 as a fulcrum, and is inclined so that the left side is low and the right side is high in the rear view of the machine body. Central axis 4
3, a ratchet wheel 45 is attached, and a ratchet pawl 46 that is biased in a direction that meshes with the teeth of the ratchet wheel is attached to a ratchet arm 47 that is rotatably fitted to the central shaft 43. A ratchet arm 47 and a seedling supply driving arm 49 that operates integrally with a front link support arm 67B, which will be described later, are connected via a seedling supply driving rod 50, and the seedling supply driving arm 49 swings to turn the turntable. 41 intermittently rotates in synchronization with the operation of the seedling planting device 5 by the mounting interval of the seedling feeders 40, ....

The seedling supply body 40, ... Has a cylindrical shape in which the upper end is expanded in a funnel shape and opens vertically. Shutters 52 for opening and closing the bottom of the seedling feeder 40 are rotatably attached to the bottom surface of the turntable 41. Below the shutters 52, ..., A C-shaped shutter closing rod 53 is provided, in which the lower portion of the seedling supply position P is interrupted. As a result, the shutter 52 of the seedling feeder 40 at the seedling feeding position P opens by its own weight or the weight of the seedling, and the shutters 52 of the seedling feeders 40, ... At other positions.
Is closed by being restricted by the shutter closing rod 53.

At the time of work, the operator walks behind the rear wheel 2 on the left side as the machine progresses,
The seedlings are taken out from the seedling raising tray placed on the above, and the seedlings are replenished in the spaces of the seedling feeders 40 ,. At this time, since the turntable 41 is inclined so that the left rear wheel 2 side becomes lower, the turntable 41 on the side where the worker is located is the lower side. It is easy to replenish seedlings.

When the turntable 41 rotates, the seedling feeders 40, ... Move on a circumferential orbit, and when the seedling feeder 40 containing the seedlings moves to the seedling feeding position P, the shutter 52 opens and seedlings are opened. It is dropped and supplied to the seedling planting device 5. The seedling planting device 5 has a beak-shaped seedling accommodating portion 5 whose upper part is open and whose lower part is beaked.
The seedling plant 60 having the number 9 is provided. The seedling plant 60 is divided into front and rear by a common dividing plane F orthogonal to the traveling direction of the machine body, and the front member 60A and the rear member 60B rotate by using the rotation shafts 61A and 61B as fulcrums. The lower end side of the seedling container 59 opens and closes.

The seedling plant 60 has front member 60A mounted on front member mounting arms 62A and 62A which are rotatably supported by a front member rotating shaft 61A located behind the seed plant 60.
Is integrally attached, and the rear member 60B is integrally attached to rear member mounting arms 62B and 62B that are rotatably supported by the rear member rotating shaft 61B located in front of the seedling plant 60. There is. Then, the front member mounting arm 62A
The interlocking pin 63 is loosely fitted in the long hole formed in the rear member mounting arm 62B so that the front member 60A and the rear member 60B rotate in conjunction with each other. The leg portion 62aA of the front member mounting arm 62A and the rear member mounting arm 6
A spring 64 for urging the front member 60A and the rear member 60B toward the closing side is stretched between the leg portion 62aB of 2B and the leg portion 62aB of 2B.

The front side member 60A and the rear side member 60B have a planting cup 60A 'which constitutes the seedling receiving portion 59.
And 60B 'are fixed respectively. Since the planting cups 60A 'and 60B' are opened and closed each time the seedlings are planted once, the repeated collision between the two plants causes twisting (backlash) in the mounting part, resulting in both planting cups 60A 'and 60B'. When'and 60B 'are closed, there is a gap in the contact area between the two, and when planting thin bare seedlings such as onions (seedlings in which the soil at the root is dropped), there is a gap in the contact area between them. In some cases, the seedlings may spill out of the tree and the seedlings may not be planted. Also, the planting cups 60A 'and 60B'
Has a configuration in which the size, length and shape of the seedlings to be planted are appropriately changed and mounted.

Therefore, in this embodiment, the front member 60A
And the planting cups 60A ′ and 60 of the rear member 60B
Three fixing pins 100 ... (Fixing pins 100 ... are provided so as to be at the vertices of the isosceles triangle) on each of the fixing base portions 60A ″ and 60B ″ for fixing B ′ respectively.
Are fixed by welding, and each of the planting cups 60A 'and 60B' is provided with three cutout grooves 101 ... Engaging with the three fixing pins 100 ... And, for example,
Two screw holes 102 are formed in the fixing base 60B ″ at positions that exactly match when the three fixing pins 100 of the fixing base 60B ″ are laterally engaged with the three cutout grooves 101 of the planting cup 60B ′. , 102 to form a planting cup 60
Through holes 103, 103 are formed in B '. Then, the fasteners 104, 104 with screws are attached to the through hole 10
The planting cup 60B ′ is fixed to the fixing base portion 60 by being screwed into the screw holes 102, 102 through the screws 3, 103.
It is fixed to B "(fixed base 60A"
And the fixing of the planting cup 60A 'has the same structure).

Therefore, the pins 100 at the vertices of the isosceles triangles of the fixing bases 60A "and 60B" are provided with the cutout grooves 101 of the planting cups 60A 'and 60B'.
With the ... engaged, the fixing cups 60A "and 60B" are respectively attached to the planting cups 60 by the tightening tool 104 with screws.
Since A'and 60B 'are fixed, it is possible to prevent the attachment portion from being twisted (backlash) due to repeated collisions when the planting cups 60A' and 60B 'are closed, and thus both the planting cups 60A'. When 60B 'and 60B' are closed, there is no gap between the contact parts, and even when a bare seedling such as an onion is planted, proper seedling can always be planted.

Also, the planting cup 60A 'can be easily installed by simply removing or tightening the tightening tool 104 with a screw.
And 60B 'can be attached and detached, and the replacement is easy and the workability is good. A rear link support arm 67A is rotatably attached to a support portion 32a protruding upward from the second planted transmission case 32, and a front member is rotated at a rear end of a rear link 68A whose base is pivotally attached to the support arm. The shaft 61A is connected. A rear link drive arm 69A provided at a rear end portion of the second transmission case 32 with a plant is connected to an intermediate portion of the rear link 68A. Further, the front link support arm 67B is rotatably attached to the planting section mission case 30, and the rear member pivot shaft 61B is connected to the rear end of the front link 68B whose base is pivotally attached to the support arm. There is. Previous link 6
A front link drive arm 69B provided at a rear end portion of the first transmission case 31 with a plant is connected to an intermediate portion of 8B. When both drive arms 69A and 69B are driven and rotated, the rear link 68A and the front link 68B swing up and down while changing the position of the base part back and forth, and the seedling plant 60 draws the lower end locus K and remains in a fixed posture. Move up and down.

An opening / closing arm 71 is provided at the base of the rear link 68A.
Is rotatably attached, and the front end of the opening / closing arm 71 and the front member attachment arm 62A are connected by an opening / closing rod 72. An opening / closing cam 73 that rotates integrally with the rear link drive arm 69A is attached to an intermediate portion of the rear link 68A. The open / close arm 71 is provided with a roller 74 as a cam follower of the open / close cam. The opening / closing cam 73 engages with the roller 74 in the process of raising the seedling plant 60 from the position near the bottom dead center. Open / close cam 7
When 3 is engaged with the roller 74, the opening / closing rod 72 is pulled, the front member 60A and the rear member 60B rotate in conjunction with each other, and the lower end side of the seedling accommodation portion 59 opens. When the opening / closing cam 73 does not engage the roller 74, the lower end side of the seedling accommodation portion 59 is closed by the tension of the spring 64.

A seedling guide 76 is provided on the upper side of the seedling plant 60 so as to be elevated and lowered together with the seedling plant 60 by being supported by the front member rotating shaft 61A and the rear member rotating shaft 61B. There is. Like the seedling feeder 40, this seedling guide 76 also has a tubular shape with its upper end expanding in a funnel shape and opening vertically. The lower part of the seedling feeder 40 is inserted into the seedling plant 60, and the seedlings supplied from the seedling feeder 40 are guided to the seedling accommodating portion 59 of the seedling plant 60 through the seedling guide 76. It

When the seedling plant 60 is at the top dead center, seedlings are dropped and supplied from the seedling feeder 40 at the seedling feeding position P to the seedling plant 60. The seedling N supplied to the seedling plant 60 is temporarily stored in the seedling storage portion 59. Seedling plant holding seedlings 6
0 descends, the lower end of the seedling accommodation portion 59 pierces the topsoil portion of the ridge at or near the bottom dead center, and the seedling accommodation portion 5
The lower end side of 9 opens back and forth, and the hole H for seedling planting is formed. Almost at the same time, the seedlings N stored in the seedling storage portion 59 fall into the seedling planting holes H and are planted. After planting seedlings,
The seedling plant 60 rises, and when it rises to near the top dead center, the lower end side of the seedling accommodation portion 59 closes.

Next, the planting cup 60 of the seedling plant 60
If mud adheres to the outer circumferences of A'and 60B '(especially in the field where the mulch film is covered, water drops adhering to the outer surface of the mulch film will cause the outer circumference of the cups 60A' and 60B 'to become wet and the mud will easily adhere). The holes formed by the planting cups 60A ′ and 60B ′ of the attachment body 60 become large and the planting performance deteriorates. Therefore, a mud removing device 110 for removing the mud adhering to the outer periphery of the planting cups 60A ′ and 60B ′ of the seedling plant 60 will be described.

A front support 112 and a rear support 113 are connected to a connecting pipe 111 fixed by a bolt between the main frame 14 having the steering handle 6 at the rear and the rear of the planting section mission case 30. The upper part is fixed by welding.
Then, the upper portion of the front mud removing tool 114 is rotatably supported by the front support 112, and the rear mud removing tool 11 is supported by the rear support 113.
The upper part of 5 is rotatably supported. Further, scrapers 116, 116 made of an elastic synthetic rubber material are provided below the front mud removing tool 114 and the rear mud removing tool 115.

The front mud removing tool 114 and the rear mud removing tool 115 are torque springs 117 and 117, respectively, and the scrapers 116 and 116 of the torque mud 117 and 117 are used to plant the cups 6.
0A 'and 60B' are urged in the direction of a to contact the outer circumference. In addition, the front support 112 and the rear support 113,
The front mud remover 114 and the rear mud remover 115 are respectively planted with the torque springs 117 and 117 by the planting cup 60.
Stop plates 118, 118 are provided for restricting rotation in the direction of contacting the outer circumferences of A'and 60B '.

Therefore, as shown in the operation explanatory views of FIGS. 11 to 16, the seedling planting body 60 of FIG. 11 has planting cups 60A 'and 60B' for planting seedlings in the ridge at the tip locus K lowest end position. When is opened, the outer periphery of the upper part of the planting cup 60B 'comes into contact with the scraper 116 of the rear mud removing device 115, and the rear mud removing device 115 enters the mud removing action state of the planting cup 60B'. Then, as the seedling planting body 60 moves upward (FIGS. 12 and 13), the scraper 116 of the post-mud removing tool 115 contacts the planting cup 60B ′ from the upper outer periphery to the lower outer periphery by the urging force of the torque spring 117. While still moving, the mud attached to the outer periphery of the planting cup 60B 'is removed. At that time, the turning position of the front mud removing tool 114 is regulated by the stop plate 118 so that the scraper 116 of the front mud removing tool 114 does not come into contact with the planting cup 60A ′.

Then, as shown in FIG. 14, when the seedling plant 60 receives the seedling at the upper position of its tip locus K,
The outer periphery of the lower part of the planting cup 60A 'is the front mud removing tool 114.
By contacting the scraper 116, the front mud removing tool 114 enters the mud removing action state of the planting cup 60A ′. After that, as the seedling plant 60 moves downward (see FIG. 15 and FIG. 1).
6), the scraper 116 of the front mud removing tool 114 moves from the lower outer circumference of the planting cup 60A 'to the upper outer circumference while being pressed by the urging force of the torque spring 117 to remove the mud attached to the outer circumference of the planting cup 60A'. . At that time, the rear mud remover 115 is rotationally regulated by the stop plate 118 so that the scraper 116 of the rear mud remover 115 does not come into contact with the planting cup 60B ′.

As described above, the planting cups 60A 'and 60 of the seedling planting body 60 are moved when the seedling planting body 60 is moved up and down.
Since the mud adhering to B ′ is removed one by one, the driving mechanism of the seedling planting body 60 has a driving mechanism as compared with the case where both the mud soil adhering to the planting cups 60A ′ and 60B ′ of the seedling planting body 60 are simultaneously removed. Such a load is small, the operation of the seedling plant 60 is stable, and proper seedling planting work can be performed.

A connecting pipe 111 is provided between the planting section mission case 30 in front of and behind the seedling plant 60 and the main frame 14 provided with the steering handle 6, and the mud removing device 110 is provided on the connecting pipe 111. Since it is configured to be installed, it can be retrofitted to existing products (products already used by farmers, etc.), the connecting pipe 111 can be bolted, and the mud removal device 110 can be installed, and the installation as an optional component is simple Can be done with.

Furthermore, the upper part of the seedling plant 60 (fixing base 60
A "and 60B") smaller diameter planting cup 60
Mud removing device 110 in the upper and lower working areas of A'and 60B '
Since the scrapers 116, 116 of No. 1 are located, the scrapers 116, 116 do not need to be operated by a special mechanism so that
The mud attached to 0A 'and 60B' can be removed, a simple mud removal effect can be exhibited, an appropriate planting hole can be opened in the field, and the planting work of seedlings can be performed well. .

FIG. 17 shows a second embodiment.
One scraper 116, 116 is a planting cup 60A '
And 60B 'are configured to act both when moving upward and when moving downward. That is, the positions of the rotation fulcrums of the front mud remover 114 and the rear mud remover 115 with respect to the locus K of the seedling plant 60 are the scrapers 116 of the front mud remover 114.
The tip and the tip of the scraper 116 of the post-mud removing tool 115 are arranged so as to draw loci L1 and L2 in the figure, respectively.
Therefore, the scraper 116 of the front mud remover 114 and the scraper 116 of the rear mud remover 115 together with the seedling plant 6 when the planting cups 60A ′ and 60B ′ move upward.
Planting cups 60A 'and 60 as 0 moves up
Torque spring 11 from upper circumference to lower circumference of B '
With the urging force of 7, move while holding the planting cup 60
A'and 60B 'Remove the mud adhering to the periphery. In addition, the scraper 116 of the front mud removing tool 114 and the scraper 116 of the rear mud removing tool 115 are the planting cups 60.
When A ′ and 60B ′ move downward, as the seedling planting body 60 moves downward, the planting cups 60A ′ and 60B ′ move from the lower outer periphery to the upper outer periphery while being abutted by the urging force of the torque spring 117. Then, the mud adhered to the outer periphery of the planting cups 60A 'and 60B' is removed.

Thus, the two front and rear scrapers 116,
When 116 is configured to act the planting cups 60A 'and 60B' both in the upward movement and the downward movement, the planting cups 60A 'and 60B' can be removed twice by one planting of the seedlings. Therefore, the mud can be removed reliably, and the planting work of seedlings becomes good.

A pair of left and right compression wheels 80, 80 are provided behind the seedling planting position. This squeeze wheel 80,80
Are attached diagonally so that the distance between them becomes narrower toward the bottom, and are biased downward by a spring 81 loosely fitted to a rod 92 described later, and roll on the ridges as the machine advances, After the seedlings have been planted, the soil around the seedling transplant holes is collapsed and the holes are backfilled, and the traces are lightly suppressed.

The squeeze pumping frame 82 to which the squeeze pumps 80, 80 are attached is supported by a planting depth adjusting guide frame 83 so as to be vertically rotatable. A guide groove 84 having a plurality of engaging portions 84a, ... Is formed in the planting depth adjusting guide frame 83, and a planting depth adjusting lever 85 integrated with the compression and infusion frame 82 slides in this guide groove. It fits freely.
The planting depth adjusting lever 85 is attached to the engaging portion 84 of the guide groove 84.
When engaged with a, ..., the compression and infusion frame 82 is fixed so as not to rotate. Therefore, the planting depth adjustment lever 85
By the operation of, the mounting height of the compression wheels 80, 80 can be set in a plurality of steps. As a result, the planting depth of seedlings is adjusted stepwise.

The planting depth adjustment guide frame 83 is
Support frame 86 fixed to the front and rear intermediate portions of the main frame 14
It is attached to the rear end of a swing frame 87 which is swingably supported up and down. Squeeze wheel 8 according to the unevenness of the ridge
When 0 and 80 move up and down with respect to the machine body, the swinging of the compression wheel frame 81 due to the vertical movement of the compression wheel is transmitted to the lifting hydraulic valve in the hydraulic valve unit 20 via the interlocking mechanism 88, and the rocking frame. The elevating cylinder 21 is operated in the direction in which the angle of 87 returns to the original position. As a result, the machine body is controlled to move up and down so that the height from the upper surface of the ridge to the machine body is maintained constant.

Further, a compression wheel fixing lever 90 is rotatably provided at the rear portion of the main frame 14, and a rod 92 having a lower end connected to a swing frame 87 is provided in an elongated hole 91a of an arm 91 integrated with the lever. The upper end is pinned. The compression wheel fixing lever 90 is attached to the locking portion 93 of the guide groove 93.
When it is locked to a, the compression wheels 80, 80 are fixed at a constant height with respect to the machine body, and the lifting control does not function. When the seedling planting device 5 is operated with the machine body raised to the non-working position, or in order to prevent the compression wheels 80, 80 from moving during transportation, the compression wheels 80, 80 are fixed by the above method.

The rolling hydraulic valve in the hydraulic valve unit 20 is designed to switch in conjunction with the movement of the pendulum 95 for detecting the left / right tilt, and when the machine body tilts to the left / right, the rolling cylinder 27 operates properly. Control the aircraft so that it returns to the left and right horizontally.

Finally, when the vertical locus is lengthened by using the seedling plant 60 with a long vertical length so that a plant with a long plant height (large seedling) can be planted, the top dead center of the seedling plant 60 is high. Therefore, the position of the turntable 41 is inevitably high, but as described above, the turntable 41 is inclined so that the left rear wheel 2 side becomes lower, so that the operator is positioned. The turntable 41 on the side can be lowered to facilitate seedling supply to each seedling supplier 40, .... Therefore, even if a plant with a long plant height (large seedling) can be planted,
Workability is very good.

[Brief description of drawings]

FIG. 1 is a side view of a semi-automatic seedling transplanter.

FIG. 2 is a plan view of a semi-automatic seedling transplanter.

FIG. 3 is a bottom view of the seedling feeding device.

FIG. 4 is a side view of the seedling planting device.

FIG. 5 is a plan view of the seedling planting device.

FIG. 6 is a perspective view of a seedling supplier, a seedling guide, and a seedling plant.

7A and 7B are a side view showing a state where a lower end side of a seedling accommodating section of the seedling accommodating unit is closed, and a side view showing a state where a lower end side of the seedling accommodating section is opened.

FIG. 8 is a perspective view for explaining the operation as seen from below the planting cup.

FIG. 9 is a sectional view of a mounting portion of the planting cup.

FIG. 10 is a perspective view of a main part.

FIG. 11 is a side view for explaining the operation of the main part.

FIG. 12 is a side view for explaining the operation of the main part.

FIG. 13 is a side view for explaining the operation of the main part.

FIG. 14 is a side view for explaining the operation of the main part.

FIG. 15 is a side view for explaining the operation of the main part.

FIG. 16 is a side view for explaining the operation of the main part.

FIG. 17 is a side view for explaining the operation of the main part showing the second embodiment.

[Explanation of symbols]

1 Semi-automatic seedling transplanter 4 Seedling supply device 5 Seedling planting equipment 40 seedling supplier 41 turntable 60 seedling plant 60A 'planting cup 60B 'planting cup 114 Previous mud removing tool (mud removing tool) 115 Post-mud removal tool (mud removal tool) 116 scraper

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tamaki Kubo             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Kenji Yasuda             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Stamp Hajime             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Masami Murami             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Yoshihiko Okubo             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. F-term (reference) 2B060 AA01 AC01 AC05 AE01 BA03                       BB04 CB05 CC05 CC11 CC20

Claims (3)

[Claims] 1. A seedling transplant comprising a seedling plant 60, the upper part of which is connected to an actuating mechanism to draw a vertical movement trajectory, and the planting cups 60A ′ and 60B ′ provided under the upper part are for transplanting seedlings into a field. Machine, the planting cups 60A 'and 60
Planting cups 60A 'and 60B' in the upper and lower working areas of B '
A seedling transplanter characterized in that the tips of the scrapers 116 of the mud removing tools 114, 115 for removing the mud attached to the are arranged. 2. A plurality of mud removing tools 114, 115 are provided to the planting cups 60A 'and 60B', and the tips of the plurality of scrapers 116 act on the planting cups 60A 'and 60B' at different timings. The seedling transplanting machine according to claim 1, wherein 3. A mud removing tool 1 having a mud removing action both when the planting cups 60A 'and 60B' are moved up and down.
14. The seedling transplanting machine according to claim 1, wherein 14,115 are provided.