JP3384057B2 - Seedling transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] The present invention relates to a rice transplanter and the like.Seedling transplanterTo
Seedling box storage frameImprovementIt is about. [0002] [Prior art]Multiple seedling pots lined up vertically and horizontally
A seedling box transport section for transporting a flexible seedling box provided with the seedling box;
Remove the seedlings from the seedling box at
Equipped with a seedling removal device to take out
The transferred seedlings are transported by the seedling transfer device to the seedling collection position on the planting device
Rice transplanter, etc. configured to plant seedlings with a planting device
There is a seedling transplanter. In this kind of seedling transplanter,Flexible
Place the seedlings raised in the seedling box to
While transporting the box along the specified transport path,
At the seedling box, insert the seedling pushing pin through the hole formed at the bottom of the seedling box.
Insert the seedling into the seedling pot and push out the seedling from the pot.
Seedling holder that received the extruded seedling moves downward
Transfer the held seedlings onto a pair of left and right seedling transport belts.
Then, the pair of seedling transport belts move outward.
The seedlings are conveyed, and one seedling is placed on each side of the planting rod on each side.
Configured to supplyHave been. End of seedling box transport section
PartIs a seedling box storage frame for stacking empty seedling boxes
Is provided. [0003] SUMMARY OF THE INVENTIONSeedling box storage frame is empty
Seedling boxes are stacked and stored.
The seedling pots in the seedling box are fitted together and difficult to separate
Therefore, there is a problem that handling becomes difficult. Therefore,
The present invention is also applicable to the case where the seedling boxes are stored in an overlapping manner.
To make it easier to handle
It is an issue. [0004] [MEANS FOR SOLVING THE PROBLEMS]
The present invention has the following configuration. That is, the present invention
Take onThe seedling transplanter is equipped with a plurality of seedling
Seedling box transport section for transporting seedling boxes with cuts, and seedling box transport section
Picking seedlings from the seedling box at the picking position during transport
And a seedling removal device.
The seedling transfer device transports the seedlings to the seedling collecting position on the
In a seedling transplanter configured to plant seedlings in
An empty seedling box from which seedlings have been
A plurality of seedling boxes are placed in the horizontal direction of the seedling box.
Set it up at an angle so that it can be stored
At least at the end of the seedling box transport section.
The size of the misalignment in the direction depends on the pitch of the seedling pot array.
Are not equal to an integer multiple ofCharacteristically
I have. [0005] [Action] Seedling boxes housed in pilesHorizontal position
Because they are misplaced and stacked,Fit each other
Avoids fitting and keeps them separated
You.For this reason, empty boxes are clogged at the end of transport, and work is not possible.
Accidents that can no longer occur can be prevented. [0006] 1 to 20 show an embodiment of the present invention.Transplant the seedling box storage frame
Machine (rice transplanter)One embodiment is shown. This
Transplanter 1A rice transplanterIs a four-wheeled vehicleThis machine
(Traveling part)2 is equipped with an eight-row planting part 3 and fertilizer 4
And is configured as a riding fertilizer rice transplanter as a whole.
You. The planting part 3 is a flat body provided at the rear of the machine 2 which is a traveling vehicle body.
It is mounted on the row link type planting section mounting device 5 and
It can be moved up and down freely. The planting section mounting device 5 is a hydraulic system.
It is moved up and down by the cylinder 6. [0007] The planting section 3 is a system in which seedlings are loaded together with seedling boxes.
The transmission case 10 which also serves as the planting section frame
A few minutes of the planting device 12 and one seedling at the planting position of the planting device
Equipment for supplying seedlings for supplying each plant is assembled
Have been. Each device for supplying seedlings is a seedling box feeder 14,
Installed in the seedling box feederSeedling box automaticFeeder 15, seedling box feeder
Seedling extruder that pushes seedlings from seedling box at 14 seedling pushing positions
The seedlings extruded by the seedling pushing device
Seedling delivery device 17 to be transported to the plant, assisting the seedling delivery device
Seedling removing device 18, received from the seedling delivery device 17
Seedling transfer bell for transferring seedlings to the seedling collecting position of the planting device 12
19 and the like. The seedling box to be used has a structure shown in FIGS.
Building. That is, the seedling box 300 opens at the top.
Seedling pots 301, ... are lined up in rows and columns.
And three radial slits 302 at the bottom of each pot.
A seedling pushing hole 303 is formed. This seedling extrusion
The hole 303 also serves as a drain. The longitudinal direction, and
Assuming that the direction perpendicular to the horizontal direction is the horizontal direction,
The pitch is constant pitch p, and
A border 306 is provided where the space between the pots is widened.
On each side, the same number per row (for example, 7
1) Pots are arranged at equal intervals. Therefore, the band
Seedling pots are divided into two groups on the left and right sides of the border 306
It has been in a state where it was done. The left and right edges of the seedling box are ears for guidance
Portion 307, and the vertical portion of the pot is
A square claw hole 308 in a plan view is formed at the same pitch as the tip p.
ing. The tip part 309 of the ear part 307 faces downward at a right angle.
It is bent. The seedling box 300 is made of a thin synthetic resin material.
Body and has flexibility in the front-back and left-right directions as a whole.
I do. Put seeds in pots 301, ... and sow and set
The seedlings are grown until they reach the size of an adult seedling 310. Hereinafter, each part of the planting section 3 will be described. The seedling box feeder 14 is provided with two upper and lower seedling placing portions 2.
1 (A, B), connection section 22, seedling box transport section 23, and empty box storage
Department(Seedling box storage frame)25. Seedling mounting part 21 (A,
B) is inclined such that the front side is higher. Connection part 22
Are the rear ends of the upper and lower seedling placement sections 21 (A, B) and the seedling box transport section 2
It is connected to the beginning of 3. Seedling box transport section 23 is substantially in side view
It has a U-shape, and the rear end of the U-shape is the start of the seedling box transport
The front end of the U-shape is the end of the seedling box conveyance.
Seedling box storage frame to store empty boxes (empty box storage section)25 is a seedling
It is provided below the placing part 21 (A, B) in parallel with the seedling placing part.
Have been. The flow of the seedling box during the planting operation is described.
The seedling box placed on the seedling placement part 21 (A, B)
300 is supplied to the seedling box transport section 23 through the connection section 22.
The supplied seedling box 300 is supplied to the seedling box automatic feeding device 15.
From the start end to the end by one pitch p intermittently
Sent. Because the seedling box 300 is flexible,
It is possible to carry along the carrying route. During transport
At the seedling pushing position 27, the seedlings in the seedling box are
It is pushed backward by the device 16. The seedlings were extruded
The rear seedling box is discharged forward from the end of the seedling box transport section 23.
And is collected in the empty box storage unit 25. In addition, the connection part 22
A shutter 28 (A, B) is provided at the front end,
By opening and closing the shutter appropriately, the upper seedling placement
Seedling box of part 21 (A) and seedling box of seedling placement part 21 (B) in lower stage
Are alternately supplied to the seedling box transport section 23. The seedling box feeder 14 is shared by two sections,
There are a total of four units. And the left and right center line 2
Seedling box feeder 14-1, 14-
2 and the seedling box feeder 14-3, 1 located on the right side
4-4 intervals, and the seedling placement parts 21 (A, B) and
At the same height as the empty box storage section 25, the spare seedling holding sections 30-1,
30-2 are provided. This reserve seedling holder
30 and the empty box storage sections 25 on both sides thereof are common spare seedlings.
The frame 31 is integrally formed. Above spare seedling holder 30
The part 30a and the lower part 30b are openable and closable partition pieces 32, 32.
Separated, and the lower part 30b of the spare seedling holding part and empty box storage
The parts 25, 25 are connected to each other. Reserve seedling holder
Upper 30a and lower 30b of 30, and empty box storage(Seedling
Box storage frame)25, 25 is just the seedling cassette 34 described below
It is big enough to fit. In this rice transplanter 1, a seedling box is transported.
A seedling cassette 34 shown in FIG. This seedling cassette 3
4 has an opening (34a) at the front and an empty box inserted at the top of the rear
Seedlings with seedlings that have a rectangular parallelepiped with mouth 34b formed
Two boxes in a box, and four in an empty seedling box, stacked vertically
It has a space that can be used. Seedling box in the middle of the inner wall
Support pieces 35, 35 for supporting the bottom of
When two seedling boxes containing seedlings are placed, the upper and lower seedling boxes
A predetermined interval is provided between them. The above support piece 3
5, 35 is an obstacle for putting an empty seedling box,
It can be folded along the inner wall. Ma
In addition, a handle 36 for transportation and access is attached to the lower front.
Have been killed. When starting the operation, the seedling placing portion 21
(A, B) is loaded with a seedling box,
Insert seedling cassettes 34, 34 packed with seedling boxes into 0a, 30b.
Then, insert an empty seedling cassette 34 into the empty box
You. When the operation is performed in this state, the seedling placing portion 21 (A, B)
Seedling boxes are sequentially sent to the seedling pushing position 27, and the seedlings are pushed out.
The empty box that has been removed is returned to the empty box storage unit 25. This returned
The empty box is inserted into the seedling cassette 34 from the empty box insertion port 34b.
You. If the seedlings 21 (A, B) run out of seedlings,
Seedling cassettes 34, 3 in spare seedling holders 30a, 30b
Replenish the seedling box in 4. Further, the spare seedling holding units 30a and 30b
If the seedling box in the seedling cassettes 34, 34
Take out the seedling cassette and insert it in the seedling box
Exchange. Seedling cassettes 34, 3 in empty box storage sections 25, 25
4 is full or almost full with empty boxes and reserve seedlings
No seedling boxes in seedling cassettes 34, 34 of parts 30a, 30b
When it becomes empty, seedling cassette 3 of empty box storage
Take out the whole seedling cassette and carry it out of the field
Take out, refill the empty box inside with a seedling box containing seedlings, and hold it on the machine
Go home. Then, empty seedlings in the spare seedling holding units 30a and 30b
Transfer cassettes to empty box storage units 25, 25 and refill
The inserted seedling cassette is placed in the spare seedling holding units 30a, 30b.
The lower spare seedling holding section 30b and the empty box storage sections 25, 25 are
Because it is connected, just slide it to the side and the seedling cassette
From the spare seedling holding unit 30b to the empty box storage unit 25
be able to. Also, if you open the partition pieces 32, 32,
The seedling cassette in the spare seedling holder 30a holds the lower seedling.
It falls to the part 30b. As described above, the seedling cassette 34 is used to
Flexible when transporting filled and empty seedling boxes
Can be easily handled even with a seedling box. In addition, the spare seedling holding unit 30
a, 30b are located in the vicinity of the seedling placement part 21 (A, B)
So it is easy to supply seedlings. In addition, empty boxes
Since it is put in the cassette 34,
There is no need to remove the seedling box. [0021] As shown in FIG.Of the transport section
Provided at the endThe empty box storage part 25 is obliquely viewed from the front
To(Ie in the lateral direction of the seedling box)If you tilt it, empty box storage
And the pot 301 of the empty box 300 stacked in the section 25
Since the cuts 301 do not overlap each other,
When empty boxes are discharged from the seedling box transport section 23 to the empty box storage section 25,
The empty box will not be clogged at the moment. Seedling boxAutomaticThe feeding device 15 is shown in FIGS.
The configuration is as shown. 44 is a bottom plate, 45 is a holding bracket
Then, the seedling box is sandwiched between the ears 307 of the seedling box by both 44 and 45.
You will be guided. In the lower part of the presser fitting 45,
A vertically long rectangular opening 45a is formed. Reference numeral 50 denotes a first feed rod, which is an opening of the holding member 45.
Inserted into the part 45a and engaged with the lower wall surface of the claw hole 308 of the seedling box
The claw 51 is provided. The first feed rod 50 has a swing arm.
A torque spring 55 is attached to a roller shaft 54 provided at the tip of the
Attached to the seedling box route side via
And the swing arm 53 swings about the support shaft 57.
It moves up and down with it. 1st feed rod
When 50 is at the lower limit position, the nail 51 is moved to the seedling pushing position 27.
It is set to be located in. Swing arm 53 sends seedling
It is driven via the connecting rod 58. Reference numeral 60 denotes a control rod which is inserted into the opening 45a.
And a claw 61 for engaging with the upper wall surface of the claw hole 308 of the seedling box.
I do. The stopping rod 60 is moved by a torque spring 63 into a seedling box.
It is supported by the support shaft 62 while being urged toward the path.
The sliding contact portion 60a at the lower part of the control rod 60 is
When the swing arm 53 moves upward, it comes into contact with the slide
60 is pushed to the right and the claw 61 comes off the claw hole 308
Swelling. Further, the seedlings are fed to the upper side of the sliding contact portion 60a.
A stop recess 60b is formed,Manual feed lever 75Operate
When the swing arm 53 is rotated upward to the maximum
The shaft 54 fits into the recess 60b, and the pawl 61
8. Numeral 65 denotes a leaf spring brake, which is a hook portion 65a.
Is engaged with the claw hole 308, and the seedling box falls under its own weight.
It acts to prevent you from doing so. FIG. 8 shows a state in which the swing arm 53 has swung downward.
And the claw 51 of the first feed rod 50 and the stop rod 60
Is inserted into the opening 45a.
Upper wall of the claw hole 308 of the seedling box (in the initial state, the seedling box
Of the seedling box 300 is kept stationary.
Is held. FIG. 9 shows a state in which the swing arm 53 has swung upward.
And the first feed rod 50 moves upward, so that the claw 5
1 slides along the upper wall surface of the claw hole 308, and the claw 51
308 and pushed by the roller shaft 54
The lower part of the control rod 60 is rotated backward, and the pawl 61 is
Deviates from 08. By the action of the leaf spring brake 65,
The seedling box 300 is held at the same position. The swing arm 53 is turned downward from the state shown in FIG.
When rotated, the claw 5 of the first feed rod 50 is rotated as shown in FIG.
1 fits into the claw hole 308. At this point, the control rod 6 is still
The zero nail 61 is out of the nail hole 308. In this state
Further, when the swing arm 53 rotates, the claw 51
Push down the lower wall of the hole 308 to move the seedling box 300 one pitch
Transport by p minutes. Note that the upper seedling box falls under its own weight.
You. When the swing arm 53 rotates to the bottom dead center, the roller shaft
The restriction by 54 is released and the claw 61 is fitted into the claw hole 308
Then, it returns to the state of FIG. In addition, an appropriate position downstream of the first feed rod 50
Is provided with a second feed rod 70 having a feed claw 71.
A swing arm 73 to which the second feed rod 70 is attached;
The connecting rod 74 is connected to the swing arm 53 of the first feed rod 50.
Are linked. Of the first feed rod 50 and the second feed rod 70
The distance is less than one seedling box. Because of this, the final
Even if the seedling box passes the seedling pushing position 27, the seedling box is
It can be fed by the feed rod 70. However, on the spot
If the seedling box has been stopped,
The three drive shafts 213 are rotated using the manual feed lever 75,
You. As shown in FIG. 12, the manual feed lever 75
To rotate the swing arm 53 upward to the maximum.
The roller shaft 54 is fitted into the seedling stop recess 60b,
As the pawl 61 comes into the claw hole 308, the seedling box
The seedling box is supported while feeding is stopped. Seedling box not sent
Seedlings will no longer be supplied to the seedling collecting position,
Seedlings cannot be planted. In other words, planting seedlings in two-row units
Can be stopped,Seedling box automaticFeeding device 15
Is functioning as a ridge clutch. Further, the seedling pushing position 27 of the presser fitting 45 is
Notches 77, 77 are formed in the lower portion
As shown in FIG. 6, the seedling box is pulled out from this portion
You can also. The seedling pushing device 16 is provided at the seedling pushing position 2
Push the seedlings backward one row at a time from the seedling box located at 7
A predetermined number (14 in the illustrated example) of seedling push pins 100,
... Seedling push pins 100, ... are common supports
Supported by the body 101 and connected to both ends of the support.
The seedling pushing rods 102, 102 are moved back and forth to push the seedling
When the push pins 100,.
Is inserted into the seedling pushing hole 303 of the seedling box and
The seedlings are pushed backwards. The drive mechanism of the seedling pushing rod is constructed as follows.
Has been established. Reference numeral 105 in FIG. 12 denotes a gear case.
The base of the seedling pushing rod 102 is inside the gear case 105.
Slidably supported by Seedling push rod 102
A rack 106 is formed at the base and meshes with the rack.
The fan-shaped pinion 107 is provided in the gear case 105
I have. Pinion 1 in left and right gear cases 105, 105
07 and 107 are attached to a common shaft 108, and this shaft
Swing arm 1 fixedly attached to one end of the arm 108
09 and a drive arm 1 attached to a second drive shaft 212 to be described later.
10 are connected by a buffer connection body 112. Buffer connection
The body 112 is connected to the cylinder 113 on the side of the swing arm 109 and the drive arm.
The rod 114 on the arm 110 side is slidably fitted
115 and a cylindrical body fitted to an intermediate portion of a pad 114
Springs 116 and 117 are interposed between the upper and lower walls of 113.
It is. The drive arm 110 is moved in the direction of the arrow from the position shown in the figure.
, The force to push up the rod 114 is applied to the spring 11
6 to the cylinder 113, and the swing arm 109
Rotate upward, and pinion 107 further rotates clockwise
, And the seedling pushing pins 100,. Drive arm 1
When the rotation of 10 exceeds the dead center, the compressed spring 11
6 rebounds, the shock-absorbing connector 112 contracts and swings.
The arm 109 rotates downward, and further the pinion 107
Rotates counterclockwise, and the seedling pushing pins 100,.
You. That is, the protrusion of the seedling pushing pins 100,.
Is forcibly driven through a spring 116 which is
The retraction of the pins 100,... Is rapidly performed by the spring 116.
It is done. Seedling push pins 100, ... to predetermined position
When retracted, the flange 115 moves to the step 113 of the cylindrical body 113.
aReThe subsequent downward movement of the rod 114 is spring
And the seedling pushing pin 10
The overstroke of 0,... Is prevented. The seedling delivery device 17 has a common support shaft 121.
a, a pair of left and right links 1 each having a base supported by 122a
21, 121, 122, 122 and the end of the pair of links
Connecting shafts 121b, 121b, 122b, 122b at the ends
Parallel with brackets 123, 123 connected by
A link device, and left and right brackets 123, 123
A seedling holder 125 is provided therebetween. Seedling holder 12
5 has a concave portion 1 into which the floor soil portion 310a of the seedling 310 fits.
.. Are formed. The seedling holder 125 has a
When Ruda 125 is in the up position to receive the seedlings, push the seedlings
Contact the top of the seedling box in the position (the side with the leaves of the seedlings)
Are formed. This projection 130
Is located on the upper portion of the front surface of the concave portion and the partition wall 125b.
Provided on the body. A projection 130 is provided on each partition 125b.
The seedling box does not have to be bent toward the seedling holder.
(In the illustrated example, four locations). The drive mechanism of the seedling transfer device 17 is a lower link.
Oscillating arm attached to the support shaft 122a
Arm 131 and a drive arm attached to the second drive shaft 212.
Arm 132 is connected by a buffer rod 133 and the drive arm 13
2 is rotated in a certain direction to swing the swing arm 131.
It is configured to: The buffer rod 133 is a swinging arm.
Rod 133a on the arm side and rod 133b on the drive arm side
, So that both transmit power through the spring 134
It has become. 135 and 136 in FIG.
This is a stopper for regulating the vertical rotation range of the lock 132. By the operation of the driving mechanism, a pair of left and right links is provided.
121, 121, 122, 122 swing up and down,
13(A)Seedling receiving position (E) in
Move between seedling release positions (FG). Seedling holder 125
Is at the midpoint of FG, the rotation of links 121 and 122
A connecting shaft is provided immediately below the supporting shafts 121a and 122a which are moving supporting points.
Since 121b and 122b are located,
The seedling holder 125 moves substantially horizontally forward between FG.
It will be. The seedling removing device 18 is connected to the L-shaped arm 140.
It has a seedling removal tool 141 attached. This seedling and
The tip of the tool 141 is a holding recess of the seedling holder 125.125
a,… So that it can be inserted into
Seedling removal part 141a that receives the bottom of seedbed soil part 310a and seedling
Seedling striking part 141b abutting on the upper surface of floor soil part 310a
Is formed. The L-shaped arm 140 pivots on the support shaft 143.
It is supported. And near the seedling removal cam
A cam row which is provided with an outer peripheral surface of the cam;
145 is mounted in place on the L-arm 140
You. The L-shaped arm 140 is driven by a cam 144 by a spring 146.
It is urged in the direction of. The cam 144 is shown in FIG.
When the seedling holder 125 has reached the point G
Then, the cam roller 145 falls into the concave portion 144a,
The seedling removal tool 141 moves down momentarily with the force of 146.
After the downward movement, the cam roller 145 pushes against the overhang portion 144b.
And the seedling removal tool 141 is raised to a higher position than before the downward movement.
It works. Note that the cam 144 is also the second
It is attached to a drive shaft 212. The seedling holder 125 is at the seedling receiving position (E).
At the time, seedlings are pushed out of the seedling box by the seedling pushing device 16.
The seedlings are placed in the recesses 125a,.
Pushed. At that time, the seedlings' floor soil portions 310a, ... and the seedlings
Seedling pushing pin 1 by friction with box pots 301, ...
The power of 00, ... is also transmitted to the seedling box, and the seedling box 300 is pushed out.
The part in the position tries to bend to the upper side (rear),
Projections 130,... Of the seedling holder 125 are provided on the upper surface of the box 300.
Due to the contact, the bending is prevented. Therefore,
Pins 100,... Are located at the center of seedling extrusion holes 303,.
The seedlings are always well extruded. Next, while holding the seedling, the seedling holder 125
Rotates to the seedling release position (FG). Seedling holder 125
When seedling moves from point F to point G, seedling removal tool 141
Are inserted into the recesses 125a of the seedling holder.
Then, the seedlings held in the recesses are pulled out relatively rearward.
Is done. As described above, the seedling holder 125 substantially moves between the FGs.
Because it moves forward horizontally, the seedling removal parts 141a,.
Are inserted straight into the parts 125a,.
The seedling removal from the rudder 125 is performed favorably. In addition, seedlings
When the holder 125 reaches the point G, the seedling removing tool 141
Move downward, and the seedling hitting portions 141b,.
The extruded seedlings onto the seedling transport belts 19, 19
Drop it. After the seedling removal tool 141 is moved downward by knocking the seedling,
Seedlings move up above the level of Luda 125
Resistance of the seedling holder 125 returning to the shim 141 and the seedling receiving position
playAndDo not interfere with each other, causing accidents such as
I do not. The seedling transport belt 19 is formed by two adjacent strips (L,
R) are paired with each other.
G (L, R) are bilaterally symmetric. Seedling
The conveyor belt 19 is stretched over a pair of rollers 150 and 151.
That the drive roller 150 rotates in a predetermined direction.
As a result, the belt always moves in the direction of the arrow
I have. The 14 seedlings transferred from the seedling transfer device 17
7 pieces are placed on the upper surface of the left and right seedling transport belts 19 (L, R).
Can be done. Then, the seedlings are transferred to the seedling transport belt 19 (L,
R) is transported outward and the seedling collecting position T of the planting device 12₁
And supply the seedlings one by one. Also, the seedling picking position T₁ of
At the bottom, the seedlings are planted by the planting device 12 to the field scene.
A guide plate 153 for guiding is provided.
You. The planting device 12 is a rotary rotike having a circular shape in side view.
Case 160 and a pair of spatula-shaped members provided on the rotary case.
And the implantation rods 161 and 161. Rotary car
As shown in FIGS. 22 and 23,
Has become. In the figure, 163 is after the transmission case 10
An implanting device mounting shaft supported at an end thereof;
Fixed metal 165 is fitted to the tip of key by key 164
And a rotary case housing
166 is fixed. Therefore, the rotary case
160 rotates integrally with the planting device mounting shaft 163. planting
An annular guide groove 168a is provided around the device mounting shaft 163.
Is fitted. This mosquito
The housing 166 by a bearing 169.
To be rotatable and fixed to the transmission case 10.
Integrated with the fixed plate 170 by the claws 168b.
ing. A pair of rows is provided in the guide groove 168a of the cam 168.
172 and 172 are fitted. These rollers 172
Is an arm 1 rotatably fitted around the support shaft 173.
74. The arm 174 has
The gear 174 is formed with a mounting rod.
A gear 178 attached to the shaft 177 meshes. Implantation
The rod 161 is fixed to the implanted rod mounting shaft 177 with a cotter pin 179.
It is attached to a fixed state. The planting device mounting shaft 163 rotates in a predetermined direction.
Then, the rotary case 160 integrated with this also rotates
Then, while the implantation rod 161 draws the closed locus T (see FIG. 16).
Move from At this time, the rollers 172 and 172
Moving along the guide groove 168a of the moving cam 168
The arm 174 swings, and the swing is caused by the gear 175
It is transmitted to the implanted rod mounting shaft 177 via 178. this
Therefore, the angle of the implanted rod 161 changes slightly during the movement.
Let That is, the seedling collecting position T₁ Horizontal when passing through
And the seedling picking position by the seedling transport belt 19
T₁ Is parallel to the seedling 310 supplied to the cultivator. And low
Keeping the same posture with respect to Tali case 160
Rotate down and plant seedlings through guide plate 153
Attached position T_Two Lead to. After planting, the implanted rod 161
Posture to rotate forward relative to the base 160.
By making it, the implantation rod 160 is absolutely
It operates as if it were pulled out, so that the planting rod 161 and the seedling
Separation was performed without difficulty, and the posture of the planted seedling 310 was disturbed.
Absent. The transmission case 10 has three gears arranged in parallel.
Of the mission cases
Four extension cases 18 added to the interval and the outer end
1, ..., four ties fixedly connected to the back of each extension case
Each part of Encase 182,...
The rear of the transmission case 180 is a cylinder that protrudes left and right.
And the tubular portions 180b, 180b
Are fixedly connected to the cases 181,. Central Misshi
The input part 183 is formed integrally with the case 180 (C).
Have been. Also, the central mission case 180
At the front end of (C), a lorry connected to the planting section mounting device 5
The pivoting shaft 184 is rotatably supported, and
The body is supported in a rolling manner with respect to the main unit 2.
And, after the central two chain cases 182 (2, 3)
Rear ends of chain cases (1, 4) on both sides and left and right ends
There are a total of six planting devices 12, one inside each.
I have. Next, the internal structure of the transmission case 10 will be described.
(See FIG. 19). FIG. 19 is an expanded sectional view.
And the orientation and positional relationship of each part are different from the actual
ing. The PTO output of the machine 2 is input to the input section 183.
Input to the force shaft 185, and from the input shaft
, 180,... And the extension case 181,
… A pair of bevel gears to the first drive shaft 186 supported inside
190,191. This transmission is safe
It is configured as a clutch. That is, the gear 190
Are rotatably fitted to the input shaft 185,
5 and gear 190 are transmission-coupled through a clutch body 192.
Have been. This clutch body 192 is connected to the input shaft 185.
The clutch body 1 is slidable by the spring 193.
92 is pressed toward the gear 190, so that both transmission claws are
190a and 192a are engaged. this
Therefore, when the load exceeds a certain level, the spring 193 is pushed.
The clutch body 192 disengages from the gear 190 against the pressure,
Transmission is stopped. Tube receiving spring 193
195 in a direction away from the clutch body 192.
If it is shifted by 6, the transmission is stopped regardless of the size of the load.
You. The first drive shaft 186 has the bevel gear 1
91, the sprocket wheel 2 for driving each planting device.
00,..., Bevel gears 201 for driving each seedling transport belt
, And to each axis in the transmission case main body 180a,.
Gears 202 for transmission are attached.
You. The first drive shaft 186 is divided into two segments.
It consists of three shafts 186 (L, C, R).
Connected by two center sprocket wheels 200, 200
It has a structure. The sprocket wheels 200,.
Sprocket wheel attached to the attachment shafts 163, ...
Chains 205, ... are stretched between
The rotation power of the first drive shaft 186 is
... is always communicated to. The bevel gears 201,.
A bevel gear 208 attached to a moving roller shaft 207,.
Are engaged with each other, and the seedling transport belt is moved from the first drive shaft 186.
Are transmitted directly to the drive roller shafts 207,. The mission case 180 is a component of the planting section 3.
Planting part drive case provided with a drive shaft for driving the
In the transmission case 180, a first drive shaft 186 is provided.
In parallel with the counter shaft 211, the second drive shaft 212, and
And a third drive shaft 213. And the second drive
The seedling pushing drive arm 11 is provided on both left and right ends of the driving shaft 212.
0 and seedling transfer drive arm 132 are separately installed
Seedlings near the outer surface of the case.
A cam 144 is mounted. Also, the third drive shaft 2
A seedling 13 has a tip connected to the seedling feed rod 58.
A feed drive arm 58a is attached. From the first drive shaft 186 to the counter shaft 211
To the second drive shaft 212 via the two sets of gears 202 and 21
5 and 216, 217 at a reduced speed.
Also, a cam is provided from the second drive shaft 212 to the third drive shaft 213.
Driven by the drive, the third drive shaft 213 is intermittently driven.
219 is a cam attached to the second drive shaft 212, 220 is
Supported by an arm 221 attached to the third drive shaft 213
Cam roller. The transmission between the gear 217 and the second drive shaft 212
Is provided with a ridge clutch 230 configured as follows.
I have. The gear 217 is rotatable about the second drive shaft 212.
The clutch body 231 is
The gear 2 is non-rotatably and slidably fitted to the driving shaft 212.
17 and the pawl 231a of the clutch body 231.
It is designed to transmit in combination. Clutch body 23
1 is biased toward the gear 217 by a spring 232
Therefore, the clutch is always engaged. clutch
The clutch pin 233 is pressed against the tapered surface 231b of the body 231.
When it hits, both claws 217a and 231a come off and
Latch off. At this time, the clutch body 231 has a predetermined angle.
The clutch is set to disengage when
You. Therefore,Seedling box automaticFeeding device 15, seedling pushing device
16, seedling delivery device 17 and seedling removal device 18
The clutch is turned on and off in units of
When the switch is turned off, each of these devices is stopped in a fixed position. Under the planting section 3, each planting strip is leveled.
Leveling floats 250, ...
The sensor float 251 is provided. Land preparation
The funnel 250 has a wide front and a narrow rear.
Groove forming device for forming seedling transplanting grooves on the left and right sides of the rear
252 are attached. Sensor float 25
1 has a front part suspended by a scaling link 255,
It moves up and down according to the unevenness of the paddy surface. This
The hydraulic system based on the vertical movement of the sensor float 251
Spool of hydraulic valve 257 for controlling cylinder 6 is switched
In addition, the planting part 3 is controlled so that
I will. For this reason, the planting depth of the seedlings is always kept constant.
You. The fertilizer applicator 4 includes a hopper 26 for storing fertilizer.
0 and a feeder 261 for feeding the fertilizer in the hopper downward.
And the fertilizer fed from the feeder is introduced into a ditch for planting seedlings.
And a fertilizer application pipe 262. At the time of planting work, the seedling placing portion 21 (A,
B) is loaded with a seedling box containing seedlings, and the planting section 3 is shown in FIG.
The machine 2 is started by lowering to the working position. Planting part 3
The seedling box moves along the specified transport path
It is conveyed, and in the middle of the conveyance,
Seedlings are pushed out of the seedling box, and the pushed out seedlings
The holder 125 holds and transports the seedling removal tool 14 downward.
1 is a seedling transport belt 1 for the seedlings held by the seedling holder 125.
9 and the seedling transport belt 19 further removes the seedlings by one.
Seedling picking position T by plant₁ To supply. And the seedling picking position
T₁ Seedlings supplied to the field are planted by
It will be established. There is no seedling in seedling mounting part 21 (A, B)
If so, replenish the seedlings as described above. [0054] As described above, according to the present invention,Seedling
The transplanter transfers empty boxes from the end of the seedling box transport section to the empty box storage section.
When discharging, the seedling pot in the empty box and the
Does not fit the empty box seedling pot in the empty box storage section
Therefore, empty boxes are not clogged at the end of the seedling box transport section,
Grading work is stopped because empty boxes are clogged at the end of the seedling box transport section
Stopping or transporting the seedling pot to the seedling removal position in the seedling box transport section
Improper forwarding can be prevented. Therefore, empty box storage
Collection of empty boxes in the department can be done smoothly and planting work
Work efficiency is reduced due to the suspension of seedlings, and
Seedling pots were improperly transported and seedlings were planted properly.
Can be prevented. Also, in the empty box storage section
Since empty boxes can be handled one by one, empty box storage
The handling of the seedling box when removing the empty box from the container becomes easy.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of a rice transplanter. FIG. 2 is a rear view of the planting section. FIG. 3 is a sectional view taken along the line SS in FIG. 1; FIG. 4 is a plan view of a main part of the planting section. FIG. 5 is a plan view of a main part of the planting portion different from FIG. FIG. 6 is a side view of a main part of the planting part. FIG. 7 is a sectional view taken along the line SS in FIG. 6; FIG. 8 is a first diagram illustrating the operation of the seedling box feeding device. FIG. 9 is a second diagram illustrating the operation of the seedling box feeding device. FIG. 10 is a third explanatory diagram of the operation of the seedling box feeding device. FIG. 11 is an explanatory diagram 4 of the operation of the seedling feeding device. FIG. 12 is a side view of the seedling pushing device. 13A is a side view of a seedling delivery device and a seedling removing device, and FIG. 13B is an explanatory diagram of a seedling removing cam. 14A is a front view of a seedling holder, and FIG. 14B is a bottom view of the seedling holder. 15 is a S-S sectional view in FIG. 14 (a). FIG. 16 is a side view of the planting device. FIG. 17 is a sectional view of the planting device. FIG. 18 is a side view showing the internal structure of the planting device. FIG. 19 is a developed sectional view of the transmission case. FIG. 20 is a perspective view of a spare seedling frame. FIG. 21 is a front view showing another embodiment of the empty box storage section. FIG. 22 is a plan view of a seedling box. 23 is a view as viewed in the direction of the arrow A in FIG. 22. FIG. 24 is an enlarged plan view of a seedling raising pot. [Description of Signs] 1 Rice transplanter 2 This machine 3 Planting unit 4 Fertilizer application device 14 Seedling box feed stand 21 Seedling placement unit 25 Seedling box transport unit 25 Empty box storage unit 30 Spare seedling holding unit 34 Seedling cassette 300 Seedling box

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor, Sumi Fukushima 1 Engineering Department, Engineering Department of Iseki Agricultural Machinery Co., Ltd. 1 Tobe-cho, Tobe-cho, Iyo-gun, Ehime Prefecture (56) References JP-A-62-220107 (JP, A) −189609 (JP, A) Japanese Utility Model Hei 5-2513 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01C 11/02

Claims (1)

(57) [Claims] [Claim 1] A plurality of seedling pots arranged in rows and columns.
Seedling box transfer section for transferring seedling boxes provided, and transfer of seedling box transfer section
Seedling removal equipment for taking out seedlings from the seedling box at the seedling removal position on the way
And transfer the seedlings taken out by the seedling removal device.
The seedlings are transported to the seedling collecting position on the planting device by
A seedling transplanter configured to plant
Collect empty seedling boxes from which seedlings have been removed at the end of the box transport section.
A plurality of seedling boxes in the horizontal direction of the seedling box.
It is provided with a slant so that it can be stored
At least at the end of the seedling box transport section,
The size of the displacement is an integer multiple of the pitch of the seedling pot arrangement
Seedling transplants characterized as not being equal to
Machine.