JPH08103111A - Seedling transplanter - Google Patents

Abstract

PURPOSE: To enable highly precious transplanting operation capable of surely preventing occurrence, etc., of defective stocks in transplanting operation using a seedling taking out claw and a seedling planting claw. CONSTITUTION: In a seedling transplanter constituted so as to take over a seeding A of a seedling feeding part to a take out seedling-planting claw 18 by a seedling take out claw 17 and carry out transplantation of seedling A, an intermediate feed part 42 for retaining plural seedlings from the seedling take out claw 17 is provided in a seedling take over part between the seedling take out claw 17 and a seedling planting claw 18 so as to feed the seedling A from the supplying part 42 to the seedling planting claw 18 and carry transplantation of the seedling A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to seedling transplantation in which seedlings taken out from a seedling tray of a seedling mounting table that is reciprocally moved to the left or right or in the front-and-rear direction are transferred to the nails for transplanting seedlings to transfer the seedlings. Regarding the machine.

[0002]

2. Description of the Related Art Conventionally, a seedling take-out nail and a seedling-planting nail have a structure for performing a series of synchronized operations.

[0003]

As a result, when seedling removal nails fail to take out seedlings properly, seedlings are not properly supplied to the nails for planting seedlings. there were.

[0004]

Therefore, the present invention provides a seedling transplanting machine in which the seedlings in the seedling supply section are taken out by the seedling taking-out nails and are transferred to the seedling-planting nails to transplant the seedlings. An intermediate seedling replenishment section for retaining a plurality of seedling picking nails is provided between the seedlings with the nails for planting seedlings, and the seedlings from the replenishing section are supplied to the nails with seedlings for transplanting seedlings. , Seedlings are not picked up in the seedling picking nails Even if the seedlings are not picked up properly, the seedlings can be properly stored in the intermediate replenishment section to ensure a good transplantation without causing stunting. This enables the accuracy of transplantation.

[0005]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1 is an explanatory view of a turntable portion, FIG. 2 is a side view of the transplanter, FIG. 3 is a plan view of the same, and FIG. 4 is a rear view of the same. In the figure, (1) is a tractor on which an operator rides, and the left and right rear wheels (4) and (4) are provided on both sides of the traveling mission case (2) via the left and right rear axle cases (3) and (3). (2) Driver's seat on the upper side (5)
Attached, the mission case (2) under the driver's seat (5)
Left and right lift arms (7) having a hydraulic lifting cylinder (6) arranged on the upper surface and swinging by the cylinder (6)
(7) and the mission case (2) The tractor (10) transplanter (10) of the vegetable seedlings (A) is connected to the tractor (8) via the fulcrum plates (8) (8) fixed to both sides and the lifting links (9) (9) on the rear end side. 1) It is equipped so that it can move up and down freely.

The transplanter (10) constitutes a seedling transplanter (10) having a two-row planting structure with a pair of left and right planting units (11) (11). The upper and lower Naedai rails (1
3) A seedling placing table (15) which is a seedling supplying section that slides back and forth in the front-rear direction via (14), and a pot seedling (A) for one strain from the seedling tray (16) on the upper surface of the seedling placing table (15). ), A hopper-shaped seedling picking nail (17) for picking up pot seedlings (A) from the picking-out nail (17) and planting in a field scene, and a picking nail (18) Leveling roller (19) for suppressing the field scene in front of the seedling planting part of No. 6, and a multi-cutter for incising a mulch film (laying before transplanting work) at a position corresponding to the planting site of the planting claw (18) (20) and a nail with a plant (1
8) A pair of left and right cultivation soil rollers (21) for covering the soil of the pot seedling (A) planted by 8), and a planting mission case (22) for inputting planting driving force from the tractor (1).
And a planting claw drive case (2) that drives the planting claw (18).
3), a take-out pawl drive case (24) for driving the take-out pawl (17), and a seedling table drive case (25) for laterally feeding and vertically feeding the seedling table (15), each of the planting units. (1
Prepare for 1) respectively.

The planted mission case (22)
Drive force is transmitted to each drive case (23) (24) (25) from the take-out claw (17) and the planting claw (18) on a predetermined locus so as to perform a series of synchronized respective operations of taking out the seedling and planting the seedling. In addition to performing the operations, the seedling lateral movement by the forward and backward movement of the seedling placing table (15) and the seedling longitudinal feeding by moving the seedling tray (16) to the lower end of the inclined seedling placing table (15) are performed, respectively. Seedlings are taken out from the seedling tray (16) of the seedling mounting table (15) that is fed laterally in the front-rear direction by the picking claws (17), and the seedlings are inherited by the planting claws (18) below this, and the seedlings are separated at a predetermined planting interval. Is configured to be continuously planted in a field scene.

As shown in FIGS. 5 to 6, the seedling table (1
5) is an elastic seedling tray (16) for filling seedlings (A) into each cell (16a) as shown in FIG. The front and rear frames (12a) of the main unit frame (12) of the planting unit (11) (11)
Upper and lower seedling stand rails (13) and (14) fixed to (12b)
While supporting a plurality of upper rollers (26) and lower rollers (27a) (27b), which are respectively provided at approximately the middle of the upper and lower sides on the rear side of the seedling mounting table (15), and slidably,
The horizontal shaft feed screw shaft (28) of the drive case (25) is coupled to a base mover (30) fixed to the rear mounting side (29) of the seedling mounting base (15), and the screw shaft is attached. The rotation of (28) is used to laterally feed the seedling mounting table (15) back and forth.

The seedling table (15) is provided with a vertical feed drive and floating sprocket shafts (32) (3) between the front side plate (31a) and the rear side plate (31b) of the lower frame (31).
3) Vertical feed drive and floating sprocket (34)
(35) are provided, and these sprockets (34) (3
5) A vertical feed chain (3) having a vertical feed pin to be engaged with the outer bottom depression of each cell (15a) of the seedling tray (16).
6) is stretched, and the front side surface (31a) or by the vertical feed cam (38) of the vertical feed drive shaft (37) interlocking with the screw shaft (28) at the end of the front and rear horizontal feed of the seedling mounting table (15). Longitudinal feed drive mechanism (3 arranged on the outer surface of the rear side plate (31b))
9) is operated to rotate the sprocket (34) by a certain amount to vertically feed the seedling tray (16).

At the end of the vertical feeding of the seedling placing table (15), the take-out claws (17) are arranged at the positions opposite to the feeding surface to take out the seedlings (A) from the seedling tray (16). , A turntable (42) which is an intermediate seedling replenishing section having a plurality of pots (41) on the upper surface between seedling receiving portions (40) between the extraction nail (17) and the planting nail (18) below this. ) Are provided, and the seedlings (A) taken out by the take-out claws (17) are sequentially put into the pot (41) to be retained therein, and the planting claws (1)
8) When rotating the pot (41) to the upper position, the pot shutter (4) provided at the bottom of each pot (41)
3) is opened by operating the solenoid (44), and the seedling (A) in the pot (41) is discharged to the planting claw (18). The shutter (43) may be either a vertically rotatable type that moves up and down to open and close, or a horizontally rotatable type that moves horizontally to open and close.

The planting claws (18) receive the seedlings (A) received from the pot (41) at the time of ascending to the upper part of the planting locus, and the tip of the claws (18) are thrust into the ridge surface at the time of descending, and The seedlings (A) are transplanted to the ridges by opening and dropping the claws (18) formed by dividing into two.

As shown in FIGS. 1 and 7, the turntable (42) is drivingly connected to a table rotation motor (46) through a worm gear (45) and a bearing stand (4).
Eight pots (41) are arranged at equal intervals on the same circumference of the table (42) centered on the table shaft (48) which is rotatably supported by (7). Synchronize with each time seedling picking and planting operation 1
The table (42) is provided so as to rotate every pitch (rotational angle 45 °), and the planting pawl (18) is located at a 7-pitch (rotational angle 315 °) rotational movement position from the take-out pawl (17) position of the pot (41). And the seedling receiving position of the nail (18) (4
9), the seedlings (A) put into the pot (41) from the take-out claws (17) are discharged to the claws (18) with a planting when they rotate 7 pitches. Pot (4
The number of installations in 1) may be 8 or less or more.

Further, the nails (1) taken out from the seedling tray (16)
7) A photoelectric seedling sensor (50) for detecting the leaf portion (a) of the seedling (A) immediately before being put into the pot (41) is provided, and the pot (41) is rotated by one pitch from this putting position. Set the position at the defective seedling discharge position (51),
When the sensor (49) detects a defective state of the seedling (A), the shutter (43) of the pot (41) is opened at a position where the pot (41) is rotated by one pitch from the insertion position, This defective seedling is configured to drop and be released downward.

As shown in FIG. 8, the seedling sensor (50).
And a controller (53) for input-connecting a table rotation position sensor (52) for detecting the rotation position of the table (42), the table rotation motor (46), a pot shutter solenoid (44), The controller (53) is connected to the alarm buzzer (54) for output to detect defective seedlings by the seedling sensor (52) or 1
The drive control of the motor (46), the solenoid (44), and the buzzer (54) is performed based on the detection of the seedling picking operation every time.

This embodiment is constructed as described above, and its operation will be described below with reference to the explanatory views of FIGS. 1 and 7 and the flow chart of FIG.

Claws (17) taken out from the seedling tray (16)
Seedling (A) taken out by turntable (42)
Immediately before being put into the pot (41) of the seedling (41), the seedling sensor (50) discriminates whether the seedling (A) has a leaf portion (a) from a normal seedling or a defective seedling, and each pot (41) of the seedling (A). ) At the time of input, the seedlings (A) to be input for each pot number of 1 to 8 are stored and input in the controller (53) as information as to whether the seedlings are normal seedlings or defective seedlings, that is, whether seedlings are present or not, and seedlings are not (defective). At the time of (seedling), at the discharge position (51) of No. 2 in FIG.
Poor seedlings are released from the pot (41) by opening the shutter (43) for a certain period of time, while seedlings are present (normal seedlings).
At this time, the shutter (43) is kept closed at the discharging position (51) so that the normal seedlings are not released from the pot (41).
While being held inside, the seedling is moved to the seedling receiving position (49) side by one pitch.

Then, the seedling receiving position (4 in FIG. 7)
When the pot (41) with seedlings reaches 9), the seedlings (A) are released to the planting claws (18) by the opening operation of the shutter (43) for a certain period of time, and the pots (4) without seedlings (4).
When 1) arrives, if this pot number is set to 8, then the pot (41) with the highest number among numbers 7 and below with seedlings is continuously rotated until the pot (41) reaches the receiving position, and the planting is continued. The seedlings (A) are always supplied to the artificial nails (18) to prevent the occurrence of the missing strains.

When the pot (41) with the pot number 8 reaches such a seedling receiving position (49), the number 1
When there is no seedling (A) in all pots (41) to (8), the buzzer (54) is operated to notify the operator of this.

In this way, the seedlings (A) taken out from the seedling tray (16) by the take-out claws (17) are put into the pot (41) on the turntable (42) to put the seedlings (A) in the pot. While (41) moves from number 1 to 8, it is retained in the pot (41), and the seedling receiving position (4
When there is no seedling (A) in the pot (41) received in 9), the pot (41) with seedling (A) is moved up next until the pot (41) with seedling (A) reaches the receiving position. The seedlings (A) are continuously rotated to supply the seedlings (A).

FIG. 11 shows a structure in which the table (42) is driven by the PTO output of the engine, like the other planting drive section. The planting drive mechanism (drive connection to the output section of the engine (55) ( The drive mechanism (57) (58) (59) (60) of the seedling mounting table (15), the extraction claw (17), the planting claw (18), and the table (42) is interlockingly connected to the 56). , Electrically connecting the seedling sensor (50) to a clutch control mechanism (62) for electrically turning on and off the table rotation clutch (61) between the planting drive mechanism (56) and the table drive mechanism (60). Similarly to the previous example, when there is no seedling (A) in the pot (41) that has reached the seedling receiving position (49), the clutch (61) is continuously turned on and the pot (41) with seedling in the receiving position (49). ) Arrives at the table (42) Those configured to rotate.

[0021]

As is apparent from the above examples, according to the present invention, the seedlings (A) in the seedling supply section (15) are taken out by the seedling picking nails (17) and inherited by the seedling-planting nails (18) ( In the seedling transplanting machine adapted to carry out the transplantation of A), the seedling removing nail (17)
An intermediate seedling supply section (42) for retaining a plurality of seedlings (A) of the seedling take-out nails (17) is provided between the seedling inheritance (40) between the seedlings and the nails (18) with planting, and the supply section (42). Since the seedlings (A) are supplied to the seedling-planting nails (18) to transplant the seedlings (A), the proper seedlings (A) are not picked up by the seedling pickup nails (17). Even at this time, the seedlings (18) can be reliably supplied with the seedlings (A) that can be properly stored in the intermediate replenishment section (42), and a good transplantation that does not cause a stump or the like is always performed. It is possible to achieve this, and it is possible to achieve a remarkable effect such as improvement of transplant accuracy.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a turntable unit.

FIG. 2 is a side view of the transplanter.

FIG. 3 is a plan view of the transplanter.

FIG. 4 is a rear view of the transplanter.

FIG. 5 is a front explanatory view of a seedling collecting section.

FIG. 6 is a side view of the seedling placing portion.

FIG. 7 is an explanatory plan view of a turntable portion.

FIG. 8 is a perspective explanatory view of a seedling tray.

FIG. 9 is a planting control circuit diagram.

FIG. 10 is a flowchart.

FIG. 11 is an explanatory diagram of a planting drive system.

[Explanation of symbols]

 (15) Seedling platform (seedling supply section) (17) Seedling removal nail (18) Seedling attachment nail (40) Seedling transfer interval (42) Seedling supply section (A) Seedling

Claims (1)

[Claims] 1. A seedling transplanting machine in which seedlings in the seedling supply section are picked up by the seedling picking nails and transferred to the seedling-planting nails for transplanting seedlings. An intermediate seedling replenishment section for retaining a plurality of seedlings for taking out seedlings is provided therebetween, and the seedlings are configured to be supplied from the replenishment section to the nail for planting seedlings for transplanting seedlings. Machine.