JP2001086812A - Seedling planting device with feeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling planting device with a feeder capable of feeding a chemical to carried seedlings on a seedling-carrying platform by the feeder and planting the seedlings fed with the chemical by a seedling planting mechanism in a simple structure and in a state scarcely changing the amount of the fed chemical even when the transverse feeding speed of the seedling-carrying platform is changed. SOLUTION: This seedling planting device with the feeder 30 is obtained by mounting the feeder 30 on a guide rail 43 running in the transverse direction of the seedling-carrying platform 14. The feeder 30 moves along the guide rail 43 so as to move relatively to the seedling-carrying platform 14 with a traveling wheel driven with a motor 36. A delivering rotator 38 for delivering a chemical from a tank 35 to a discharging part 39, the traveling wheel and an output shaft 36a of the motor 36 are arranged so as to rotate around the same shaft center.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling lateral feed mechanism for reciprocating a seedling platform for supplying seedlings to a seedling planting mechanism in the lateral direction of the machine body in accordance with the seedling movement of the seedling planting mechanism, and supplying the seedlings. The present invention relates to a seedling-planting device with a supply device provided with a supply device for dropping a fluid to be dropped from above the seedling mounting table.

[0002]

2. Description of the Related Art The above-mentioned seedling planting apparatus supplies a seedling placed on a seedling mounting table with a fluid such as an insecticide, a bactericide, or a fertilizer by a supply device, and the seedling already supplied with the fluid is planted with a seedling planting mechanism. It can be planted by. Conventionally, as this kind of seedling planting apparatus, as shown in, for example, Japanese Patent Publication No. 59-26249, an insecticide storage box and a supply pipe extending from the storage box to the upper side of the seedling substitute bed are mounted on a machine frame. In some cases, the insecticide is dropped and supplied to the seedling while the supply hole provided in the supply pipe is relatively moved in the lateral direction with respect to the seedling substitute bed because the seedling substitute bed reciprocates horizontally. In other words, the supply hole as the discharge unit of the supply device is relatively moved in the lateral direction of the machine body with respect to the seedling substitute bed serving as the seedling mounting table. Some were able to supply fluid over the entire width of the seedlings while employing smaller ones.

[0003]

In the case of this type of seedling planting apparatus, the size of the seedling stand is adjusted so that the seedling planting mechanism can adjust the size of the seedlings taken out from the seedling stand in the lateral width direction of the seedling stand. In some cases, the traverse speed can be changed. In the case of the conventional feeding technique, when the lateral feeding speed of the seedling mounting table is changed, the moving speed of the discharging section with respect to the seedling mounting table changes because the discharge section is supported by the machine frame, and the seedling is supplied to the seedlings. In some cases, the amount of fluid in the lateral width direction of the seedling varied. SUMMARY OF THE INVENTION An object of the present invention is to provide a seedling with a supply device that can supply a fluid while preventing the above-described change in the supply amount even if the lateral feed speed of the seedling mounting table is changed, and that is advantageously obtained from a structural aspect. It is to provide a device.

[0004]

The constitution, operation and effect of the invention according to claim 1 are as follows.

[Structure] A seedling traverse mechanism for reciprocating a seedling mounting table for supplying seedlings to the seedling transplanting mechanism in the lateral direction of the machine in accordance with the seedling movement of the seedling transplanting mechanism, and a fluid to be supplied to the seedlings. In a seedling-planting device with a supply device provided with a supply device that drops from above the seedling mounting table, the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is mounted on the seedling mounting table. A traveling wheel that travels along the guide rail so as to relatively move with respect to the feeding rail; a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device; and a motor that drives the traveling wheel and the delivery rotating body. Are provided in the supply device, and the running wheel, the feed-out rotating body, and the output shaft of the motor are attached so as to rotate around the same axis.

[Operation] When the running device is driven by the motor, the feeding device moves along the guide rail along the lateral direction of the seedling mounting table and moves relative to the seedling mounting table. Even if the feed speed of the feeder is changed, the running wheels are supplied to the motor so that the feeder supplies the fluid while moving to the seedling mounting table without changing the moving speed relative to the seedling mounting table. Driven by

Since the output shafts of the running wheels, the pay-out rotator and the motor rotate around the same axis, they may be directly connected or the axle and the support shaft of the feed rotator may be the same shaft. The running wheels and the payout rotating body can be driven in conjunction with the motor by the simple structure of the interlocking means.

[Effect] Even if the lateral feeding speed of the seedling mounting table is changed, the moving speed of the supply device with respect to the seedling mounting table does not change, the supply amount is hardly changed, and the supply can be performed accurately at a predetermined supply amount. In addition, the running wheels and the payout rotating body are interlocked with the motor by interlocking means having a simple structure, so that a compact or inexpensive motor can be obtained.

The structure, operation and effect of the invention according to claim 2 are as follows.

[Structure] A seedling traverse mechanism for reciprocating a seedling mounting table for supplying seedlings to the seedling planting mechanism in the lateral direction of the machine body in accordance with the seedling movement of the seedling planting mechanism, and a fluid to be supplied to the seedlings. In a seedling-planting device with a supply device provided with a supply device that drops from above the seedling mounting table, the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is mounted on the seedling mounting table. The supply unit includes a traveling wheel that travels along the guide rail so as to relatively move with respect to the guide rail, a motor that drives the traveling wheel, and a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device. The feeding rotator is configured to be rotationally driven in a state where the rotation direction of the feeding rotator is reversed when the feeding device moves in the forward direction and when the feeding device moves in the reverse direction. .

[Operation] The driving of the running wheels by the motor causes the feeding device to move along the guide rail along the lateral direction of the seedling mounting table and move relative to the seedling mounting table. Even if the feed speed of the feeder is changed, the running wheels are supplied to the motor so that the feeder supplies the fluid while moving to the seedling mounting table without changing the moving speed relative to the seedling mounting table. Driven by

When the supply device moves in the forward direction and when the feed device moves in the reverse direction, the feed-out rotating body reverses. Therefore, the interlocking means having a simple structure such as, for example, whether the feeding-out rotating body is directly connected to the running wheel or directly to the motor. Thus, the payout rotating body can be driven in association with the power source.

[Effect] Even if the lateral feed speed of the seedling mounting table is changed, the moving speed of the supply device with respect to the seedling mounting table does not change, the supply amount is hardly changed, and the supply can be accurately performed at a predetermined supply amount. In addition, by linking the feed-out rotator to the power source by a simple-structure interlocking means, it is possible to obtain a compact or inexpensive.

The structure, operation and effect of the invention according to claim 3 are as follows.

[Structure] A seedling traverse mechanism for reciprocating a seedling mounting table for supplying seedlings to the seedling transplanting mechanism in the lateral direction of the machine body in accordance with the seedling movement of the seedling transplanting mechanism, and a fluid to be supplied to the seedlings. In a seedling-planting device with a supply device provided with a supply device that drops from above the seedling mounting table, the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is mounted on the seedling mounting table. A traveling wheel that travels along the guide rail so as to relatively move with respect to the feeding rail; a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device; and a motor that drives the traveling wheel and the delivery rotating body. And a feed transmission device that changes the drive speed of the feed rotary body by the motor without changing the drive speed of the running wheels by the motor. And Aru.

[Operation] By the driving of the running wheels by the motor, the feeding device moves along the guide rail along the lateral direction of the seedling mounting table and moves relative to the seedling mounting table. Even if the feed speed of the feeder is changed, the running wheels are supplied to the motor so that the feeder supplies the fluid while moving to the seedling mounting table without changing the moving speed relative to the seedling mounting table. Driven by When the feeding transmission is operated, the driving speed of the feeding rotating body changes without changing the driving speed of the running wheels, and the flow speed while moving the unit distance while keeping the moving speed of the feeding device relative to the seedling mounting table unchanged. The amount of animals supplied can be adjusted.

[Effect] Even if the lateral feed speed of the seedling mounting table is changed, and the supply amount is adjusted by the feeding transmission, the moving speed of the supply device with respect to the seedling mounting table does not change, and the supply amount is reduced. It is difficult to change, and can be supplied with an adjusted supply amount or a close amount.

The structure, operation and effect of the invention according to claim 4 are as follows.

[Structure] In the structure of the invention according to any one of claims 1 to 3, a clamping wheel body is provided on a side opposite to the running wheel with respect to the guide rail, and this clamping wheel body is provided. The guide rails are sandwiched between the guide rails and the running wheels.

[Operation] By holding the guide rail between the running wheel and the holding wheel, the supply device is moved so as not to be easily detached from the guide rail or to be loose, or to be excessively moved to the stop target position by the dynamic inertia. The supply device is moved so as to stop.

[Effect] The supply device moves accurately and smoothly on a predetermined moving path, or stops accurately at a predetermined stop position, and supplies the fluid accurately so as not to be excessively supplied to a predetermined supply target range. Let me do.

The structure, operation and effect of the invention according to claim 5 are as follows.

[Structure] In the structure of the invention according to any one of the first to fourth aspects, there is provided a guide member for diffusing a fluid discharged from the feed-out rotary body toward a supply target range and dropping the fluid. .

[Operation] The feeding rotary member feeds out the fluid by the feeding recesses scattered around the peripheral surface. Even if the flowing material is granule, the fluid is diffused by the guide member toward the target supply range and supplied. It is possible to obtain a state in which the object falls and falls as evenly as possible in the target range.

[Effect] Irrespective of the structure of the feeding rotary member and the properties of the fluid, the fluid can be supplied with high precision so as to be distributed as uniformly as possible in the target supply range by diffusion by the guide member.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a driving unit having a pair of left and right steering wheels 1 and 1 and a pair of left and right drivable rear wheels 2 and 2 and an engine 3 is provided. A seedling planting device A equipped with a supply device 30 is connected via a link mechanism 5 to a rear portion of a self-propelled vehicle body having a driving unit having a seat 4, and rotational power from the engine 3 is supplied by a rotating shaft 6 to a supply device. The transmission is transmitted to the seedling planting apparatus A with a feed device, and the link mechanism 5 is vertically operated by the lift cylinder 7 with respect to the self-propelled body to operate the seedling planting apparatus A with the supply device up and down. To form a riding type rice transplanter with a supply device.

As shown in FIG. 2 and the like, the seedling planting apparatus A with the feeding device includes a main frame 10 made of a square pipe material extending along the lateral direction of the machine body, and a feed case supported at an intermediate portion of the main frame 10. 11 and a plurality of planting transmission cases 12 arranged in the lateral direction of the body in a state where the front end sides thereof are connected to each other by the main frame 10, and a rear end of each of the plurality of planting transmission cases 12 is formed. A seedling planting mechanism 13 having two seedling planting tools 13a is drivably mounted on both lateral sides of the unit, a seedling mounting table 14 is provided above a front end of the body frame, and a machine body is provided below the body frame. A plurality of ground floats 15 arranged side by side are attached, and the supply device 30 having a tank 35 is provided above the seedling mounting table 14. This seedling planting apparatus A puts an agent such as an insecticide / bactericide for granules into the tank 35 of the supply apparatus 30,
A mat-shaped seedling B is provided on each of a plurality of rows of seedling mounting portions 14a provided side by side on the seedling mounting table 14 of the seedling planting apparatus A in the machine body lateral direction.
The supply device 30 supplies the chemicals to each of the plurality of rows of the mat-shaped seedlings B on the seedling mounting table 14 by moving the self-propelled vehicle body and the ground floats 15 move on the mud surface. The seedling planting mechanism 13 seeds the seedlings to which the chemicals have been supplied at the places where the soil has been leveled. The details are configured as follows.

As shown in FIG. 2 and the like, each of the plurality of seedling planting mechanisms 13 includes a rotary case 13b that the planting transmission case 12 rotatably supports, and a rotating case 13b at both ends of the rotary case 13b. The seedling planting tool 13a is movably attached. That is, the rotating power input to the feed case 11 by the rotary shaft 6 is transmitted to the rotation support shaft of the rotary case 13b by the transmission mechanism located inside the planting transmission case 12, and the rotary case 13b is driven. Then, with this, the two seedling planting tools 13a are rotated with respect to the rotary case 13b by a planting drive mechanism provided inside the rotary case 13b, and the seedlings provided in each of the two seedling planting tools 13a. A seedling planting motion is performed so that the tip of the planting claw 13c pivots up and down along a movement locus T shown in FIG.

The seedling mounting table 14 is configured to slidably support the front end side of the seedling mounting table 14 so as to support the seedling mounting column 16 standing upright on the machine body frame and the seedling mounting table 14. The rear end portion is slidably supported, and the plurality of seedling planting mechanisms 13 are provided with notches for forming a plurality of seedling outlets 17a respectively corresponding to the rear end portions, and are fixed to the body frame. The main body frame is attached to the guide rail 17 so as to slide in the lateral direction along the guide rail 17 in a rearwardly inclined position that is located at a lower level as far as the seedling take-out opening 17a. Has been supported. Each of the plurality of seedling outlets 17a of the guide rail 17 corresponds to a seedling placement claw 13c of one seedling placement tool 13a of the seedling placement mechanism 13 and a seedling of the other seedling placement tool 13a. The planting claws 13c alternately pass through the seedling take-out opening 17a from above to below, and when passing through the seedling take-out opening 17a, block seedlings of one stock from the lower end of the mat-shaped seedling B on the seedling mounting base 14 Are arranged so as to be cut out and taken out.

The feed case 11 is slidably penetrated, and both ends are connected to the seedling mounting table 14, and the seedling mounting table lateral feed shaft 18 slides with the seedling mounting table 14 with respect to the body frame. A seedling lateral feed mechanism 19 is constituted by a feed shaft drive mechanism provided inside the feed case 11 so as to slide the seedling table horizontal feed shaft 18.
The feed shaft drive mechanism operates the seedling mounting table lateral feed shaft 18 so as to reciprocally slide left and right in association with the drive of each seedling planting mechanism 13. When the attaching mechanism 13 performs the seedling planting motion, the seedling stage 14 is moved by sliding the seedling stage lateral feed shaft 18 in accordance with the movement.
Is reciprocated along the guide rail 17 in the lateral direction of the machine.

As shown in FIG. 3, a pair of endlessly rotating seedling vertical feed belts 20 arranged in the lateral direction of the seedling mounting stand 14 are provided on each of the plurality of rows of seedling mounting parts 14a of the seedling mounting base 14. In addition, each seedling vertical feed belt 20 is driven in a predetermined rotation direction to vertically feed the mat-shaped seedling B placed on the seedling receiving portion 14a toward the seedling takeout opening 17a. It is configured to do so. As shown in FIG. 4, the belt drive wheels 2 around which the lower ends of all the seedling vertical feed belts 20 provided on the seedling mounting table 14 are wound.
An operating lever 23 interlocked via a one-direction clutch to two locations of one belt drive shaft 22 which is integrally rotatably connected to 1 and supports all the belt drive wheels 21 so as to be drivable; A drive arm 24 provided on both lateral sides of the feed case 11 so as to be always driven to rotate forms a seedling vertical feed mechanism 25. When the seedling mounting table 14 is reciprocated to the left and right and reaches the left stroke end, the free end of one of the pair of left and right operation levers 23 is moved to the pair of left and right drive arms 24 and 2.
When the seedling mounting table 14 reaches the right stroke end when one of the four drive arms 24 enters the rotation path, the free end side of the other operation arm 23 of the pair of left and right operation levers 23, 23 is moved. The driving arm 24 of the pair of left and right driving arms 24, 24 enters the rotation path of the other driving arm 24. In any case, as the driving arm 24 rotates, the operation arm provided at its free end is provided. Roller 24a
Abuts on the operation arm 24, swings the operation arm 24 around the axis of the belt drive shaft 22 by a predetermined rotation angle in a predetermined rotation direction, and rotates the belt drive shaft 22 through the clutch. I do. Thus, each time the seedling placing table 14 reaches the end of the horizontal movement stroke, the seedling vertical feeding mechanism 25 rotates all the seedling vertical feeding belts 20 by a predetermined stroke in the seedling vertical feeding direction.

Accordingly, when the seedling planting mechanism 13 performs the seedling planting movement, the seedling mounting table 14 is moved along with the movement.
9 to reciprocate in the lateral direction of the machine body and move the mat-shaped seedlings B placed on each seedling placing portion 14a into the seedling taking-out opening 17a corresponding to the seedling placing portion 14a. The mat-shaped seedlings B placed on one seedling mounting part 14a corresponding to the seedling planting mechanism 13 by the two seedling planting claws 13c by reciprocating in the direction. A plurality of rows of seedling mounting portions 14a are mounted on a plurality of seedling mounting mechanisms 13 so as to sequentially cut and remove one block of seedlings from one lateral end to the other end of the lower end of the plant. Seedlings are supplied separately. Then, each time the seedling placing table 14 reaches the left and right lateral movement slot ends, the seedling longitudinal feeding belts 20 of the plurality of rows of seedling placing portions 14a are respectively set in the seedling vertical feeding direction by the seedling vertical feeding mechanism 25. Rotated only by the stoke, the seedling placement part 14
The placement mat-shaped seedling B of a is vertically fed toward the seedling take-out opening 17a by a length corresponding to the length in the vertical direction of the seedling pedestal of the block seedling of one strain to be taken out by the seedling planting mechanism 13. .

Therefore, each of the plurality of seedling planting mechanisms 13 is provided with the seedling planting claws 13 of the one seedling planting tool 13a.
c and seedling planting claw 13c of the other seedling planting tool 13a
Alternately, the seedling mounting table 14 is placed at the seedling outlet 17a.
Is cut and taken out from the lower end of the mat-type seedling B, and the seedling is lowered and planted on the mud surface of the field.

The feed shaft drive mechanism provided in the seedling lateral feed mechanism 19 is provided with a seedling pick-up transmission section. In other words, the seedling picking mechanism 1 is operated by changing the speed.
3 does not change, the feed speed of the seedling table horizontal feed shaft 18 by the feed shaft drive mechanism changes, and the seedling planting mechanism 13
However, the size of the block seedlings taken out of the seedling mounting table 14 in the width direction of the seedling mounting table changes.

As shown in FIG. 3, the seedling mounting table 14 is provided with a plurality of remaining seedling sensors 26 which act on the plurality of rows of seedling mounting portions 14a separately. As clearly shown in FIG.
Each of the plurality of seedling remaining amount sensors 26 is housed in a side wall portion 14b located at a lateral end of the seedling placing stand 14 or a partition wall portion 14c located between the seedling placing portions 14a. Detection switch 26a and the side wall portion 1
4b or a detection body 26b arranged such that one end side is exposed above the lateral end of the seedling placing portion 14a from inside the partition wall portion 14c. If the mat-shaped seedlings B placed on the seedling placing portion 14a have not decreased to the set amount determined by the arrangement of the detection bodies 26b, the detection bodies 26b are The detection switch 26 is pressed by the mat-shaped seedling B in contact with the lateral side.
is operated to the cut side, and the detection switch 26a operates the alarm device 27 provided in the driving section of the self-propelled vehicle body to the cut side.
When the mat-shaped seedling B placed on the seedling placing portion 14a is reduced to the set amount or less, the detection body 26b is disengaged from the floor of the placing mat-shaped seedling B and the detection switch is activated by self-restoring force. The detection switch 26a operates the alarm device 27 to the entrance side. Thereby, each remaining seedling sensor 26 sets the remaining amount of the mat-type seedling B based on the position of the rear end of the mat-shaped seedling B placed on the seedling mounting part 14a with respect to the seedling mounting part 14a. It is detected whether or not the remaining amount is equal to or less than a predetermined amount. When the remaining amount is detected to be equal to or less than the set amount, the alarm device 27 is operated. In other words, when the location where the detection body 26b is located in the seedling mounting portion 14a is set as the detection target location, and the rear end of the mounting mat-shaped seedling B is located on the upper end side of the seedling mounting table at or above the detection target location, Detects that the remaining amount of the placement mat-shaped seedlings B is greater than the set amount, and operates the alarm device 27 so that the rear end of the placement mat-shaped seedlings B is on the lower end side of the seedling placement stand relative to the detection target. Is detected, the remaining amount of the placement mat-shaped seedling B is detected to be less than the set amount, and the alarm device 27 is operated.

Thus, when the remaining amount of seedlings in at least one of the plurality of rows of seedling mounting portions 14a of the seedling mounting base 14 becomes less than the set amount, the remaining amount of the seedlings is detected by the seedling remaining amount sensor 26 and an alarm is issued. The device 27 is operated on the entry side to warn that the seedling mount 14 should be refilled with seedlings.

As shown in FIGS. 2 to 5 and the like, the supply device 30 is provided on the upper surface side of a horizontal portion of a sheet metal frame 34 having a pair of left and right running wheels 31 and 32 and one holding ring 33. 35, and an electric motor 36 is mounted on the front side of the vertical portion of the body of the sheet metal frame 34, and extends downward from the bottom of the tank 35 so that the
5, a feed-out rotator 38 is provided rotatably around a horizontal shaft core 38 a facing the fuselage in the longitudinal direction inside the rectangular cylindrical body 37 forming the medicine outlet of No. 5, and a discharge portion 39 is provided below the feed-out rotator 38. It is provided and configured.

The pair of running wheels 31 and 32 are supported by the lower ends of support brackets 40 and 41 extending downward from the horizontal portion of the sheet metal frame 34 so as to rotate about the longitudinal axis of the machine body. Then, the guide rail 43 made of a square pipe material attached along the lateral direction of the seedling mounting table 14 over the upper ends of a pair of columns 42, 42 erected separately at both ends of the seedling mounting table 14. It runs along this. The left running wheel 31 of the pair of running wheels 31 and 32 is an idle wheel that freely rotates by contact with the guide rail 43. Right running wheel 32
Is arranged so as to rotate around the same axis as the output shaft 36a of the electric motor 36 capable of forward and reverse rotation drive, and is connected so as to rotate integrally with the output shaft 36a,
The driving wheels are driven by the electric motor 36 in either forward rotation or reverse rotation. The holding wheel body 33 is supported at the lower end side of a support bracket 44 extending downward from a horizontal portion of the sheet metal frame 34 so as to freely rotate around a longitudinal axis of the fuselage.
3 is located on the opposite side to the pair of running wheels 31 and 32 and is configured to rollably contact the lower surface of the guide rail 43.

Thus, the supply device 30 is connected to the seedling mounting table 1.
4 is supported movably along a guide rail 43 connected to the machine frame so as to move laterally with the body frame. The seedling planting mechanism 13 and the seedling lateral feed mechanism of the seedling planting apparatus A When the electric motor 36 is driven in the forward or reverse direction by supplying power from a battery 45 provided in the driving unit as a power source different from the engine 3 which is a power source such as the power source 19, the electric motor 36 runs rightward. By driving the wheel 32, the supply device 30 moves along the guide rail 43 and moves relative to the seedling mounting table 14 leftward or rightward over the entire width thereof. And running wheel 3
The guide rail 43 is held between the guide rails 1, 32 and the holding wheel 33, and the holding causes a problem that the guide rail 43 is derailed or the running wheels 31, 32 and the guide rail 43 rattle. Move to be difficult.

The tank 35 is provided at its upper end with a loading port which is opened and closed by a detachable lid 35a, and supplies and stores the medicine from this loading port.

As clearly shown in FIGS. 4 and 5, the feed-out rotating body 38 is connected to the output shaft 36a of the motor 36.
The output shaft 36a is connected to the output shaft 36a so as to rotate integrally with the output shaft 36a via the right running wheel 32.
2 is driven in the same rotation direction as the rotation direction of the right running wheel 32. Thereby, when the supply device 30 moves leftward with respect to the seedling mounting table 14, the feeding rotating body 38 rotates leftward with the right running wheel 32 when viewed from the rear side,
A plurality of delivery recesses 38b are provided on the peripheral surface of the delivery rotator 38 so as to be arranged in both the rotation direction of the delivery rotator 38 and the longitudinal direction of the machine body. The toner is supplied to the discharge unit 39 by being dropped from the space between the brush 46 and the brush 46 that is provided so as to perform a sliding action on the peripheral surface of the rotating body 38. When the supply device 30 moves rightward with respect to the seedling mounting table 14, the feeding rotating body 38 rotates rightward with the right running wheel 32 when viewed from the rear side, and the plurality of feeding recesses 38 are provided.
b, the medicine is taken out of the tank 35 and dropped to the discharge part 39 from between the brush 46 provided on the right side of the payout rotating body 38 so as to slide on the peripheral surface of the rotating body 38. Supply.

The discharge portion 39 is provided with the feeding rotary member 3.
8, a pair of left and right guide members 3 arranged so that the upper end is separately located on both lateral sides and the lower end is located below the rotating body 38 and attached to the inner surface side of the rectangular cylinder 37.
9a, 39a, and both guide members 39a, 3
A discharge port is formed at the lower end of 9 a, and the drug is fed from the discharge port, dropped from the rotating body 38, and supplied to the mat-type seedling B on the seedling mounting table 14. The pair of guide members 39
a and 39a are provided with an inclined guide surface 39b which is closer to the inclined guide surface 39b of the other guide member 39a toward the lower end on the inner side of the lower end of each of the feed-out rotator 3
The medicine from No. 8 collides with the inclined guide surface 39b, and the collision supplies the medicine such that the medicine is uniformly dispersed and falls in the supply target range determined by the size of the discharge port. The discharge port of the discharge section 39 is located on the lower side of the seedling placement section 14a in the seedling vertical feeding direction from the detection target by the seedling remaining amount sensor 26 and on the upper side of the seedling removal port 17a in the seedling vertical feeding direction. It is arranged to drop the medicine toward the part to be done.

As shown in FIG. 9, the supply control means 4 provided in the supply device 30 in a state linked to the electric motor 36.
7, a pair of starting means 48, 49 and a pair of stopping means 5
0, 51 and one artificial operation means 52 are linked.

As shown in FIGS. 7 and 8, the pair of starting means 48 and 49 are fixed side by side in the lateral direction of the seedling mounting table 14 on a support bracket 53 fixed to one lateral end of the seedling mounting table 14. The switch operation body, which is integrally rotatably attached to the end of the belt drive shaft 22, performs detection operation as a detection target body 54. Around the periphery of the detection target 54, a pair of detection target portions 54a and 54b which are displaced from each other in the lateral direction of the seedling mounting table 14 so as to act on the pair of starting means 48 and 49 respectively are provided. . The pair of detection target portions 54a and 54b are displaced from each other in the rotation direction of the detection target body 54 as clearly shown in FIG. That is, each time the belt drive shaft 22 is rotated 360 degrees, the pair of detection target portions 54
a, 54b of the pair of starting means 48, 49 abuts on the detecting section 48a of the left-hand starting means 48 to detect and operate the left-hand starting means 48. The second detection target portion 54b is brought into contact with the detection portion 49a of the other right-hand starting device 49 to detect and operate the right-hand starting device 49, and one of the detection target portions 54a and 54b is used as the starting device 48, After the belt drive shaft 22 has rotated through 180 degrees after the detection operation of the first detection unit 49, the other detection target portions 54b and 54a
9 so that one of the detection target portions 54a and 54b detects and activates the starting means 48 and 49, and then the other detection target portion 54b and 54a detects and starts the starting means 49 and 49.
The position of the seedling is shifted so that at least one vertical feeding of the seedling is performed until the detection operation of the seedling 48 is performed.

After one of the detection target portions 54a and 54b performs the detection operation of the starting means 48 and 49, the other detection target portion 5
The number of times that the seedlings are vertically fed before the start-up means 49b and 48b detect the starting means 49b and 48b is determined by the number of rows in which the feeding device 30 is moved from one lateral end of the seedling mounting base 14 to the other end. Seen from the length of the supply range for supplying the medicine to the mat-type seedlings B of each seedling placement part 14a in the vertical direction of the seedling placement table, the supply device 30 moves once to supply the medicine, and Even if the seedlings are fed vertically until the medicine is supplied by moving laterally, the previous supply range and the next supply range slightly overlap with the seedling mounting table in the vertical direction, and The number of times that no part of the supply leakage will occur is set.

The leftward starting means 48 of the pair of starting means 48, 49 outputs a leftward movement command to the supply control means 47 when the detection operation is performed, and the rightward starting means 49 outputs the supply when the detection operation is performed. A rightward movement command is output to the control means 47.

The pair of stopping means 50 and 51 are
0, a stop detection switch distributed and fixed to both lateral portions on the rear side of the vertical portion of the sheet metal frame 34, and a switch operation provided at a stop target position at the left end or the right end of the guide rail 43. Piece 5 to be detected
The detection operation is performed as 5, 56. That is, the supply device 30
Moves to the left and reaches the left stroke end for supplying the drug to the left end of the mat-shaped seedling B placed on the leftmost seedling placing portion 14a of the seedling placing stand 14;
The left stop means 50 of 0, 51 is the left detection object 5
5, the feed device 30 moves to the right and the supply device 30 moves rightward to supply the medicine to the right end portion of the mat-shaped seedling B placed on the rightmost seedling placing portion 14a of the seedling placing stand 14. Is reached, the right stopping means 51 of the pair of stopping means 50 and 51 comes into contact with the right detection target 56 to perform the detecting operation. When both the left stop means 50 and the right stop means 51 perform the detection operation, they output a stop command to the supply control means 47.

The supply control means 47 includes information from the pair of starting means 48 and 49 and the pair of stopping means 50 and 5.
The motor 36 is automatically operated on the basis of the information from Step 1. That is, when the leftward starting means 48 detects and outputs a leftward command, the rightward starting means 49 detects and moves rightward so that the supply device 30 moves leftward until the left stopping means 50 detects. When the going command is output, the motor 36 is operated so that the supply device 30 moves rightward until the right stopping means 51 performs the detection operation. That is, each time the feeding of the seedlings is performed a set number of times, the supply device 30 moves leftward or rightward, and when the moving distance reaches the control target moving distance set by the left detection target 55 or the right detection target 56. , The supply device 30 is stopped. Further, when the supply device 30 starts moving leftward or rightward, the next seedling vertical feeding operation is performed over the entire width of all the seedling placement portions 14a before the seedling vertical feeding belt 20 is performed, and the movement starts with the moving start side. Operates the motor 36 to reach the opposite stroke end.

The manual operation means 52 is constituted by a changeover switch mounted on the outer surface side of the sheet metal frame 34 of the supply device 30 and provided with an operation section 52a which can be manually operated. When operated to the left-handed manual position ML, a manual operation command for leftward movement is output to the supply control means 47 so that the supply control means 4
7 is changed from an automatic operation mode in which the motor 36 is automatically operated based on information from the pair of starting means 48, 49 and the stopping means 50, 51 to the pair of starting means 48, 49 and the stopping means 50. , 51 is switched to the leftward-moving manual operation mode in which the motor 36 is driven in the forward rotation direction prior to the information from the motor 51, whereby the motor 36 is operated so that the supply device 30 moves leftward.
When the operation unit 52a is operated to the right-handed manual position MR, a manual operation command for rightward movement is output to the supply control means 47, and the operation mode of the supply control means 47 is changed from the automatic operation mode to the pair of starting means 47, 48 and stopping means 5
The motor 36 is switched to the manual operation mode of the rightward movement in which the motor 36 is driven in the reverse rotation direction prior to the information from 0 and 51, thereby operating the motor 36 so that the supply device 30 moves rightward. Move the operation unit 52a to the automatic position O
, An automatic operation command is output to the supply control means 47, and the operation mode of the supply control means 47 is switched from the leftward or rightward manual operation mode to the automatic operation mode.

That is, the seedling placing portion 14a of the seedling placing stand 14
When the mat-shaped seedling B is mounted such that the tip of the mat-shaped seedling B reaches the seedling take-out opening 17a, a portion outside the target supply range of the supply device 30 is formed on the tip side of the mat-shaped seedling B. For this reason, when newly supplying seedlings to the empty seedling mounting stand 14, such as at the beginning of planting work, the front end of the mat-shaped seedling B attached to the seedling mounting portion 14a does not reach the seedling outlet 17a. The operation unit 52 of the manual operation means 52 is supported while being positioned in the supply target range of the
a is moved to the left-handing manual position ML or the right-handing manual position MR, and the motor 36 is artificially driven to move the discharge portion 39 of the supply device 30 leftward or rightward.
The medicine is supplied by the supply device 30 to the tip side of the medicine. After that, the mat-shaped seedling B is put in a normal mounting state in which the tip reaches the seedling take-out opening 17a, and the operation section 52a of the manual operation means 52 is switched to the automatic position O for planting work.

Then, when the starting means 48 and 49 detect and output a leftward or rightward command when the vertical feeding of the seedlings is performed a set number of times, the supply control means 47 drives the motor 36 and the motor 36 The right running wheel 32 and the feeding rotating body 38 are driven, and the supply device 30 moves along the guide rail 43 while dropping the medicine from the discharge section 39 leftward from the right stroke end or rightward from the left stroke end. That is, it is moved relative to the seedling mounting base 14 in the lateral direction so as to move relative to all the seedling mounting parts 14a, and until the next vertical seedling feed after the movement is started. Reaches the right or left stroke end opposite to the movement start side. Then, the stopping means 50,
The detection operation 51 causes the supply control means 47 to stop the motor 36, the motor 36 stops driving the right running wheel 32 and the feeding rotator 38, the supply device 30 stops at its stroke end, and the medicine drops. Stop supply.
After that, when the set number of vertical feedings of seedlings is performed, the starting means 4 which is different from the starting means 48, 49 which has been detected and operated earlier.
9 and 48 detect and output a rightward or leftward command, and the supply control means 47 causes the starting means 4 to operate in the same manner as in the preceding movement.
The motor 36 is automatically operated on the basis of the information from the stop units 50 and 51 and the stopping means 50 and 51, and the supply device 30
The seedlings move along the guide rails 43 while dropping the chemicals from the seedlings 9, and move relative to all the seedling placement parts 14a until the next vertical seedling feed after the movement starts. It moves to the left or right stroke end opposite to the movement start side in the lateral direction with respect to the mounting table 14.

That is, each time the mat-type seedlings B are vertically fed a predetermined number of times, the discharge section 3 of the feeding device 30 is automatically set.
9 moves relative to the seedling mounting table 14 in a state of moving relative to all the seedling mounting parts 14a along the guide rails 43 in the lateral direction thereof, and is mounted on all the seedling mounting parts 14a. The medicine is dropped and supplied to a portion of the mat-shaped seedling B which is located on the lower side in the seedling vertical feeding direction from the portion where the seedling remaining amount sensor 26 detects and is located on the upper side in the seedling vertical feeding direction than the seedling outlet 17a. . When the set number of seedling vertical feeds are performed and movement starts, the mat reaches the stroke end until the next placement mat-shaped seedling B is vertically fed, and the placement mats of all the seedling placement portions 14a are placed. The supply of the drug to the seedlings B is completed.

[Another Embodiment] FIGS. 10 and 11 show a supply device 30 having another embodiment.
0, the support shaft hole 44a through which the support shaft 33a of the holding wheel body 33 of the bracket 44 supporting the holding wheel body 33 is inserted is formed as a long hole elongated in the vertical direction of the machine body. The support shaft 33 a is urged upward by a holding spring 60 whose both ends are supported at the lower end, so that the holding wheel body 33 is pressed against the lower surface of the guide rail 43. That is, the holding rail 33 is applied to the guide rail 44 by the holding spring 60, so that the guide rail 4 formed by the holding wheel 33 and the running wheels 31, 32.
4 is securely held.

FIGS. 12 and 13 show a drive structure having another embodiment for driving the feed-out rotating body 38 of the supply device 30 and the right traveling wheel 32. In this driving structure, the right traveling wheel is provided. 32 is arranged so as to rotate around the same axis as the output shaft 36a of the motor 36, and is connected to the output shaft 36a so as to rotate integrally therewith.
6 can drive the right running wheel 32. A rotation support shaft 61 that rotatably supports the pay-out rotating body 38 and integrally rotates with the pay-out rotating body 38 is arranged so as to rotate around an axis different from the output shaft 36a of the motor 36, and a pay-out transmission. It is linked to the output shaft 36a via 62.

The delivery transmission 62 is provided with a motor 36.
A plurality of drive gears 63a, 63b, which are rotatably attached to the output shaft 36a and have different outer diameters.
63c and the plurality of drive gears 63a, 63b, 63
and a plurality of speed change gears 64, 65, 66 which are rotatably fitted to the rotation support shaft 61 of the feed-out rotary member 38 in a state in which the rotation support shafts 61 of the feed-out rotary member 38 are engaged with each other. Key member 6 attached to the key groove 61a
7.

The lock screw 68 attached to the key member 67 is used as an operation member, and the key member 67 is connected to the rotation support shaft 61.
Of the key member 67 by sliding along the key groove 61a.
The leading end of a key portion 67a located at one end of the key gears 64a, 65a,
By operating the lock screw 68 at one of a plurality of mounting positions, each of which is separately inserted into the screw 66a, and screwing the distal end of the lock screw 68 into one of a plurality of screw holes 61b provided inside the rotary support shaft 61. By operating, the key member 67 is fixed at the mounting position. Then, a plurality of transmission gears 64, 65,
The key groove 64 into which the key portion 67a of the 66 is inserted.
transmission gears 64, 65, 66 provided with a, 65a, 66a
Only the key member 67 is connected to the rotation support shaft 61 so as to rotate integrally with the rotation support shaft 61, and the rotation power of the drive gears 63 a, 63 b, and 63 c that rotate integrally with the output shaft 36 a of the motor 36 is transmitted to the rotation support shaft 61. .

As a result, the feed transmission 62 feeds the rotating power of the output shaft 36 a of the motor 36 to feed the rotating body 38.
And the motor 36 can drive the feed-out rotating body 38. And the key member 6
7 by sliding operation, the key portion 67a is moved to the key groove 64a, 6
The speed change operation can be performed by selecting the speed change gears 64, 65, 66 which are rotatably connected to the rotation support shaft 61 integrally with the shafts 5 a, 66 a. In addition to changing the driving speed of the right rotation wheel 38, the shifting of the payout rotating body 38 is performed without changing the driving speed of the right traveling wheel 32 by the motor 36.

In other words, by changing the speed of the feed-out transmission 62, the drive speed of the feed-out rotating body 38 changes, and the supply amount of the medicine dropped and supplied while the supply unit 30 moves the unit distance can be changed. .

The present invention can be applied to a case where fertilizers and the like are supplied to the seedlings placed on the seedling placing stand 14 in addition to the chemicals. Therefore, these chemicals, fertilizers and the like are collectively referred to as a fluid to be supplied to the seedlings.

[Brief description of the drawings]

FIG. 1 is a side view of an entire riding type rice transplanter with a supply device.

FIG. 2 is a side view of a seedling planting device with a supply device.

FIG. 3 is a plan view of a seedling planting device with a supply device.

FIG. 4 is a side view of a lower portion of the supply device and a vertical seedling feeding mechanism.

FIG. 5 is a sectional view of a lower part of the supply device.

FIG. 6 is an explanatory diagram of a seedling remaining amount sensor.

FIG. 7 is an explanatory view of a starting means.

FIG. 8 is an explanatory view of an object to be detected by the starting means.

FIG. 9 is a block diagram of supply device movement control.

FIG. 10 is a cross-sectional view showing a clamping wheel body mounting structure according to another embodiment.

FIG. 11 is a side view showing a clamping wheel body mounting structure according to another embodiment.

FIG. 12 is a cross-sectional view of the pay-out transmission.

FIG. 13 is a sectional view showing a key member mounting structure of the pay-out transmission.

[Explanation of symbols]

 Reference Signs List 13 seedling planting mechanism 14 seedling mounting table 19 seedling lateral feed mechanism 32 running wheel 33 holding wheel body 35 tank 36 motor 36a motor output shaft 38 feed-out rotating body 39a guide member 43 guide rail 62 feed-out transmission

Claims (5)

[Claims] 1. A seedling traversing mechanism for reciprocating a seedling table for supplying seedlings to a seedling planting mechanism in a lateral direction of the machine body in accordance with the seedling movement of the seedling planting mechanism, and a fluid to be supplied to the seedlings. What is claimed is: 1. A seedling-planting device with a supply device, comprising a supply device for dropping from above a seedling mounting table, wherein the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is a seedling mounting table. A traveling wheel that travels along the guide rail so as to move relative to the vehicle, a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device, and drives the traveling wheel and the delivery rotating body. A seedling planting device with a feeding device, wherein the feeding device is provided with a motor, and the running wheel, the feed-out rotator, and an output shaft of the motor are mounted so as to rotate around the same axis. . 2. A seedling traversing mechanism for reciprocating a seedling platform for supplying seedlings to the seedling planting mechanism in a lateral direction of the machine body in accordance with a seedling movement of the seedling planting mechanism, and a liquid supply to be supplied to the seedlings. What is claimed is: 1. A seedling-planting device with a supply device, comprising a supply device for dropping from above a seedling mounting table, wherein the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is a seedling mounting table. A traveling wheel that travels along the guide rail so as to move relatively to the motor, a motor that drives the traveling wheel, and a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device. In addition to being provided in the supply device, the supply rotation device is configured to be rotationally driven in a state where the rotation direction of the supply rotation member is reversed when the supply device moves forward and when the supply device moves backward. Supply Location with a seedling planting apparatus. 3. A seedling traversing mechanism for reciprocating a seedling mounting table for supplying seedlings to the seedling planting mechanism in the lateral direction of the machine body in accordance with the seedling movement of the seedling planting mechanism; What is claimed is: 1. A seedling-planting device with a supply device, comprising a supply device for dropping from above a seedling mounting table, wherein the supply device is attached to a guide rail along a lateral direction of the seedling mounting table, and the supply device is a seedling mounting table. A traveling wheel that travels along the guide rail so as to move relative to the vehicle, a delivery rotating body that delivers and discharges a fluid stored in a tank of the supply device, and drives the traveling wheel and the delivery rotating body. And a feed transmission device for changing the drive speed of the feed rotary body by the motor without changing the drive speed of the running wheels by the motor. Supply device with a seedling planting apparatus. 4. A guide wheel is provided on the opposite side of the guide rail from the running wheel, and the guide rail is held between the holding wheel and the running wheel. The seedling planting apparatus with a supply device according to any one of claims 1 to 3. 5. The seedling with a supply device according to claim 1, further comprising a guide member for diffusing a fluid discharged from the feed-out rotating body toward a supply target range and dropping the fluid. Planting equipment.