JPH06269204A - Transplanter for long seedling - Google Patents

Abstract

PURPOSE:To perform rice plant transplantation by connecting long rice plant seedlings with tape on their leaf tops at a prescribed interval and disconnecting the seedlings at the lower part of the tape, as the seedlings are moved in their hung posture, so that the seedlings are allowed to fall perpendicularly to the rice paddies. CONSTITUTION:Pressure-sensitive tape is made to adhere to long seedlings of rice plant on their leaf tops by means of press rollers and the seedlings are carried out, as the parts connected with the pressure-sensitive tape is nipped with a couple of nipping rollers and wound up as they are twisted by 90 deg. with the drum 39. The seedlings are wound up as they are hung in the standing posture, then rapidly pulled out at a high speed, as the tape is bit by gear 85 and reverse gear 86 to disconnect off a seedling with a knife 100 at its leaf top from the lower part of the tape. The isolated seedling falls down into chute 101 in the standing posture and is transplanted almost perpendicularly through the receiver hopper 65 and transplanting nails 66.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for transplanting long seedlings, such as long onions, onions, leeks, strawberries, or corn, which are planted in rows at predetermined intervals in a field.

[0002]

2. Description of the Related Art Conventionally, the middle of the length of a long seedling is sandwiched and conveyed by a pair of right and left sandwiching belts at intervals of one strain, and the sandwiching belt is widened at the planting position to drop seedlings. Transplanting method to plant in the field, and a pair of left and right adhesive tapes are attached to both sides of the middle part of the seedlings at intervals of 1 strain, and long seedlings are left and right adhesive tapes by an appropriate means at the planting position. It is already known to pull each seedling outward to drop the seedling and drop it into a field.

[0003]

In the known method for transplanting long seedlings, the former separates the left and right holding belts while holding the intermediate portion, and therefore may fall in a sideways posture. In addition to the unstable sandwiching interval, the detachment position may change back and forth due to the thickness of the seedlings, and the tops of the trumpet-shaped guide tubes for guiding long seedlings toward the field are laid sideways and jammed. Sometimes it became impossible to plant. In the latter, the distance between the front and rear seedlings can be made almost constant, but when peeling the adhesive tape from the long seedlings, the peeling time of the left and right adhesive tapes shifts and the adhesive tape drops while being adhered to one adhesive tape. Otherwise, the fall position may shift to the left or right, and the guide tube may be laid sideways and jammed.

[0004]

According to the present invention, the tip side of a long seedling is connected at a predetermined interval with a tape, and the long seedling is moved in a suspended position while being moved together with the tape in a tensioned state. The above problems were solved by cutting long seedlings and dropping them at a regular position with the roots down and planting them in an upright position.

[0005]

[Function] Long seedlings of one or one plant are connected at a fixed interval with a tape, and these long seedlings are placed in a suspended posture in which the roots are lower and the tape is moved in a tensioned state. If, during this movement, the long seedlings are cut at a position below the tape of the long seedlings at a certain position, the long seedlings can be dropped in a substantially vertical posture and planted in the field.

[0006]

EXAMPLE An example of the present invention will be described for a method of transplanting green onion seedlings. [Coupling Step] Conveyor chains 2 and 2 are provided on both sides of the conveyer frame 1, and conveyer belts 3 and 3 are stretched close to the insides thereof (see FIG. 1), and the chain plates of the conveyer chains 2 and 2 are connected. The plate 5 ... Is attached to at least one of the conveyor chains 2 and the holding tool 6 is formed on the plate 5 ... As shown in FIG. 3, the adjoining ones are attached so as to overlap with each other in the front-rear direction or to be close to each other with a minute gap, and the conveying surfaces constituted by the conveying chains 2 and 2 and the conveying belts 3 are made substantially horizontal as shown in the drawing. Or, the leaf tip side (or the stalk tip side) is inclined so as to be higher, and the outer side of the upper surface of the plate 5 of the other transport chain 2 that does not have the holding tool 6 is at the seedling supply time as shown in FIG. It becomes the gauge of the root position of A guide plate 4 serving as a guide member for the time is provided, and the transport surfaces of the transport chains 2 and 2 are lower than the transport surfaces of the transport belts 3 and 3 so that their roots are placed on the plate 5 of the transport chain 2 like an onion or a ladle. The leaves are made to be substantially linear when being conveyed with the spherical roots placed. The long green onion seedlings are transported in a floating state because the roots are not so large and the portions following the roots are hard to bend.

Above and below the end portions of the transport chains 2 and 2, reels 8 around which adhesive tapes 7 are wound,
8 is rotatably supported and a rubber layer 10a is pressure-welded at a portion along the locus of the nipping tool 6 ... so as to pressure-contact the adhesive tapes 7, 7 on the leaf tip side of the seedling to be conveyed. The rollers 10, 10 are axially supported, the ends of the conveyor belts 3, 3 are on the front side of the ends of the conveyor chains 2, 2, and the middle of the pulley shaft 11 around which the ends of the conveyor belts 3, 3 are wound. The rear conveyor belt 16 is stretched on the pulley 15 mounted between the pulley 12 attached to the above portion and the shaft 14 of the sprocket 13 at the end of the conveyor chains 2 and 2, and the adhesive tape 7, There are provided delivery rolls 17, 17 that carry out the portion where 7 is adhered in a sandwiched state.

A bracket 18 having an L-shape in plan view is screwed to an intermediate portion of the upper horizontal frame 1a at the end of the transport frame 1, and one side thereof has vertically elongated holes 20, 20 in the front-back direction. The support plate 21 having the above is superposed and screwed so as to be movable back and forth by the bolts 22 and 22, and is attached to the fulcrum pin 23 projecting toward the rear part of the support plate 21.
A lower part of the hanging plate 25 is rotatably fitted, and a bolt 27 with a knob is inserted into an arc-shaped long hole 26 formed in an upper part of the hanging plate 25.
The suspension plate 25 can be tightened and fixed by inserting it into the screw hole of the support plate 21 and inserting it into the suspension plate 25.
A winding reel 2 to be described later is provided on the boss integrated with the boss.
Since the support arm 30 serving as the upper locking means is fixed by having the locking pin 29 for locking the upper part of 8, the support arm 30 is vertically rotated when the bolt 27 with the knob is loosened. The bolts 22 and 22 can be engaged and disengaged.
Loosen to adjust the support plate 21 forward and backward,
The support arm 30 can be adjusted back and forth by tightening 22.

A gear case 31 containing a bevel gear is supported at an intermediate portion of the lower horizontal frame 1b via a bracket 32, and a plurality of short pins 34 ,. A winding reel 28 for fixing the protruding support disk 35 as a support portion of the rotation support device, and winding up the adhesive tapes 7, 7 to which the tip of the seedling is adhered.
Is a vertical pipe 37 in which a lower portion is loosely fitted to the output shaft 33 and a locking pin 29 is loosely fitted in an upper portion, and a hole fixed to the lower portion of the pipe 37 and into which the pins 34 are fitted. And a winding drum 39 mounted on the upper part thereof. A pair of parallel slits 39a are provided on the upper part of the winding drum 39, and just below the position where the adhesive tape 7 is wound, Two parallel round holes 44a for inserting the skewer bar 44 are formed.

Next, the transmission will be described with reference to FIG. 5. The motor 40 drives the shaft 14 via a speed reducer 41 and a gear case 42, and the shaft 14 is one of the delivery rolls 17
The pressure roller 10 and the pressure roller 10 are driven via the chain, and the other delivery roll 17 and the pressure roller 10 are driven by the shaft 14 via the intermediate shaft 43 and the chain, and the conveyor belt 3,
3 is driven by a shaft 45 on the starting end side of the transport chains 2 and 2. The input shaft 31a of the gear case 31 is driven via a chain 47 by a sprocket 46 mounted on the shaft 14 via a torque limiter.

A large number of green onion seedlings are placed on the seedling stand on the side of the transport chain 2 placed on the above-mentioned taping device, and an operator standing on the side portion drives the above-mentioned green onion seedlings while driving each part. When the root end is aligned with the guide plate 4 as a reference and the tip side of the leaf is inserted between the adjacent clamping tools 6 ... They are mounted on the conveyor chains 2 and 2 at intervals, and the intermediate portions are conveyed while being supported by the conveyor belts 3 and 3, as shown in FIG. Then, when approaching the transport end of the transport chains 2 and 2, the middle part of the seedlings is transferred to the rear transport belt 16, and the adhesive tapes 7, 7 pulled out from above and below are adhered to the part close to the inside of the sandwiching part. Then, it is further sent out while being pressed from above and below by the sending rolls 17, 17.

When the adhesive tape 7 sent out is wound up,
With the skewer bars 44, 44 removed from the winding drum 39 of the winding reel 28, the lower end of the pipe 37 is connected to the output shaft 3
3, the disk 38 is placed on the support disk 35, and the pins 34 ... Are inserted into the holes thereof. In this state, the support arm 30 is pivoted downward and the locking pin 29 at the tip thereof is inserted into the pipe 37. Then, the knob-equipped bolt 27 is loosened, the end of the adhesive tape 7 is pulled out and inserted into one slit 39a, then rotated into the other slit 39a and rotated once. At this time, the adhesive tape 7 to be wound is in a tense state, but since the green onion seedlings are suspended, it is bent a little, so that the delivery rolls 17 and 17 and the winding drum 39 are at the same height, and the pipe 37 is placed vertically. In this state, the adhesive tape 7 spirally wraps around the winding drum 39 from an obliquely lower position and cannot be wound at a certain position. Therefore, the bolts 22, 22 are loosened and the support plate 21 is delivered. When the bolt 22 is tightened after adjusting the inclination angle of the pipe 37 of the take-up reel 28 supported by adjusting the forward and backward movement according to the weight of the seedling to the roll 17 side, the take-up drum 39 causes the pipe to move. When the pressure-sensitive adhesive tape 7 is wound in this state together with 37 at an appropriate angle, and the tape is wound, the winding tape 39
In the process of reaching the take-up drum 39, the adhesive tape 7 which has been wound up at a certain position in the horizontal direction and fed out in a horizontal posture from the delivery roll 17 is twisted by 90 degrees and its surface becomes the vertical direction, and the green onion seedlings are shown in FIG. As shown in the figure, it is wound in a hanging posture with the root part down. If a predetermined amount is wound up, as shown in FIGS.
By inserting the skewer bars 44, 44 into 9b, 39b and rotating the bolt 44a with a knob that is inserted into a nut 44b fixed near the outer periphery of the top plate and hung down, the half-moon shaped plate 44c is inserted into both skewer bars. Even if the take-up reel 28 is detached and carried after being pressed against 44 and 44 and stopped, and the tapes 7 are arranged side by side by performing taping work such as night work, the wound adhesive tape 7 does not slip off. .

[Planting process] On the mission case 51 mounted on the front part of the machine body 50 which also serves as the transmission case of the transplanter,
An engine 52 having an output pulley 52a and a counter case having a counter shaft 53 attached to the engine 52 and having a counter pulley 53a attached to the front are mounted.
Although not shown in the figure, a belt is stretched around a pulley attached to the input shaft projecting forward from the mission case 51 so as to be detachable and replaceable (for gear shifting) and a counter pulley 53a to transmit the power. Case 5
The drive shaft protruding from 1 to both sides has a front wheel 55,
55 is pivotally supported and swingable swing chain cases 56, 56 are mounted to drive the front wheels,
At the rear part of the planted transmission case 57, which is connected to the rear part of the machine body 50, a support frame 57a having a square tube 57b is erected upright, and a substantially horizontal cylinder screwed to the square tube 57b so that lateral movement can be adjusted. The vehicle frame 59a, which is mounted on both ends of the frame 59 for lateral movement adjustment, has a plurality of holes vertically spaced from each other, and the support plate 6 standing upright from the bosses of the left and right rear wheels 58, 58.
0 is screwed to the vehicle frame 59a so as to be vertically adjustable.

A pair of planting arms 61 are arranged on both sides of the planting transmission case 57.
1 is composed of an upward arm 62 fixed to the rear portion, a main body portion 63, a receiving hopper 65 fixed to the upper surface of the front end portion, and a planting claw 66.
3, a fixed claw 66a fixed to 3 and a movable claw 66b whose base is attached to a swing arm 66c pivotally supported by a support shaft 67 on a main body 63 and which is opened and closed. A crank arm 71 having a crank pin 70 at each tip is attached to both ends of the crank shaft 68 projecting toward one side, and an upper end of the arm 62 is rotatable by a plate 72 whose rear part projects rearward from the support frame 57a. The pin 6 is attached to the front end of the regulation link 69 supported by
Since it is rotatably connected at 9a, the crank pin 7
When 0 moves circularly around the crankshaft 68, the planting claw 66 of the planting arm 61 vertically moves up and down with a long elliptical locus similar to the planting claw of the crank type planting rod in the rice transplanter. An upper portion of the swing arm 66c is rotatably connected to an intermediate portion of a link 74 by a rod 73. An upper end portion of the link 74 is pivotally attached to the pin 69a, and a roller 70a supported by the pin is attached to a lower portion. The fan-shaped cam 75 fixed to the crank pin 70 is pressed against the peripheral surface of the fan-shaped cam 75 by a compression spring 73a interposed between the stay of the main body 63 and a seat mounted on the rod 73 for position adjustment. When the attachment claw 66 is near the lower limit of descent, the movable claw 66b is opened by the action of the fan-shaped cam 75 through the rod 73 and the seedling in the planting claw 66 is formed in the field by piercing the multi-sheet with the planting claw 66. Planted in That.

The frame of the seedling supplying device 76 is a column 78 standing upright at both ends of a horizontal frame 77 fixed to the front of the machine body 50, a column 79 standing upright at the rear of the frame 78, and those columns 78. Middle frame 80 fixed to the upper end of 79
And an upper column 81 standing upright at the rear of the middle frame 80, and an upper frame 82 projecting forward from the upper end of the middle frame 80. On both sides of the rear part of the upper frame 82, drawer devices are provided. These drawing devices are rotatably supported by a ratchet mechanism 84 attached to the vertical axis 83, a gear 85 that rotates integrally with the ratchet wheel 84a, and a support arm 86a pivotally supported by the upper frame 82. And a floating gear 86 that is pulled by the spring 86b and meshes with the gear 85. The plate-shaped ratchet arm 87 that holds the ratchet pawl 87a and is urged by the return spring 87b to return and rotate. , A connector 8 having a long hole
Since it is connected to the restriction link 69 via the 8a wire 88, when the restriction link 69 is rotated upward, that is, when the planting arm 61 is rotated downward, the ratchet arm 87 is pulled to move the gear 85. Intermittently, the adhesive tape 7 is rotated so as to be pulled out while being bitten by a predetermined angle, for example, about 50 mm (seedling sticking interval).

Further, a take-up reel holding device is provided on each of both front portions of the upper frame 82 and the middle frame 80. The device is provided on the middle frame 80 so as to project from the lower end of the pipe 37. And a locking arm 94 that has a locking pin 93 that fits on the upper end of the pipe 37 at the tip thereof and is capable of tilting up and down.
The base portion of is supported by a support shaft 92 on a support plate 95 fixed on a horizontal frame 82a installed between the left and right holding cylinders 96, 96, and the support plate 95 and the seat plate 96a are provided with knobs 97a. The rod 97 is inserted, and the compression spring 98 is interposed between the washer and the retaining arm 94 which are retained at the lower end of the rod 97.
When the take-up reel 28 is attached or detached, the knob 97a
When the holding arm 94 is pulled upward by pulling, the locking arm 94 can be tilted upward so that the locking pin 93 at the tip can be removed from the upper end of the pipe 37. Further, when the take-up reel 28 is mounted, the locking arm 94 is raised. Pipe 37 in a tilted state
After fitting the lower end of the to the receiving pin 90, aligning the locking pin 93 with the upper end of the pipe 37 and releasing the knob 97a,
The receiving pin 90 can be fitted to the upper end of the pipe 37 and the state can be maintained by the elastic force of the compression spring 98.

Further, a base of a sharp knife 100 such as a surgical knife is fixed to the upper surface of the upper frame 82 by inclining it so as to have a receding angle, and the mounting position thereof is the middle frame. The planting arm 61 is provided vertically at the rear of the 80.
Is a portion facing directly above the hopper-shaped shooter 101 with which the upper part of the receiving hopper 65 is fitted when the is rotated. The knife 100 may be replaced with a circular saw blade that is forcibly rotated or other cutting means such as scissors that opens and closes. Reference numeral 100b denotes a detachable cover that covers the knife 100 from above.

Next, the transplanting operation will be described. The take-up reel 28 wound with taping seedlings in the above-mentioned winding step is rotatably held by the receiving pin 90 and the locking pin 93, and the adhesive tape 7 is pulled out and guided. Laura 99,
When the transplanter is driven with the gear 85 and the idler gear 86 engaged with each other after being hung on 99, the machine body moves forward, the planting arm 61 moves up and down, and the regulating link 6
9 also rises and pulls the wire 88, so that the ratchet arm 87 rotates, which causes the gear 85 to rotate, and the gear 85 and the floating gear 86 meshing therewith also rotate to cause the adhesive tape 7 to move. Since the knife 100 pulls it out at high speed while biting, the knife 100 cuts the tip of the seedling leaves in a drooping position with the root part downward, just below the adhesive tape 7, and the cut seedling is in a substantially vertical position. It shifts to the receiving hopper 65 which has fallen into the shooter 101 and further moved up in a substantially unchanged posture.

At this time, the movable claw 66b of the planting claw 66 is being closed by the fan-shaped cam 75 via the rod 73,
When the planting claw 66 rises in this state, the opening and closing guide 106 fixed to the receiving hopper 65 and raised up pushes the attachment 107 and pushes the stopper 105 against the ammunition 108 in the process of lowering from the upper limit of the rise, The seedling moves through the receiving hopper 65 into the planting claw 66 and is retained,
The crank pin 70 subsequently rotates to rotate the planting claw 6
6 descends and penetrates into the field at the lower limit of its descending to form a hole, and the movable claw 66b is opened and operated by the fan-shaped cam 75, so that the seedlings are planted in an upright posture in the field hole, and the planting claw 66 rises. In the process, the movable claw 66b is closed, and the gear 85, the idle gear 8
6 rotates and the above-mentioned seedling cutting is performed. Adhesive tape 7 with leaf tips pulled out by these gears 85, 86
Are collected in a basket 103 attached to the front part of the handle 102 whose rear part is opened left and right. When the ridge of the planted field is covered with a multi-sheet, the front wheel 55 and the rear wheel 58 are adjusted up and down according to the height of the ridge, and they are run in the groove between the ridges. Break through the multi-sheet and penetrate the soil to plant seedlings.

In such a planting step, since the machine body pitches and rolls due to the unevenness of the field during traveling, the take-up reel 28 vibrates up and down and left and right and back and forth while a large number of seedlings are suspended. Although it sways, since the skewer bars 44, 44 receive the lower surface of the layer around which the adhesive tape 7 is wound, it does not slide down and is rewound while being held at a constant height.

[0021]

Industrial Applicability According to the present invention, the long seedlings are connected at a predetermined interval with a tape, and the long seedlings are cut in the lower portion of the tape while the long seedlings are moved together with the tape in a tensioned state. Since the seedlings are planted by cutting, the cut seedlings fall in a vertical posture with the heavy root side down, and the cutting processing position becomes constant, so that the seedlings will not be clogged in the guide means during planting.
The plant can be planted in a desired position in the field in a correct standing posture without missing a plant.

[Brief description of drawings]

FIG. 1 is a plan view of a taping machine.

FIG. 2 is a side view of the same.

FIG. 3 is a side view of a tape bonding portion.

FIG. 4 is a cross-sectional view.

FIG. 5 is a transmission system diagram.

FIG. 6 is a right side view of the winding unit.

FIG. 7 is a left side view of the above.

FIG. 8 is a transverse sectional view of the same.

FIG. 9 is a plan view of the take-up reel.

FIG. 10 is a sectional view of the same.

FIG. 11 is a side view of the transplanter.

FIG. 12 is a plan view of the same with some parts omitted.

FIG. 13 is a side sectional view of a cutting portion.

FIG. 14 is a plan sectional view of the same.

FIG. 15 is a side view of a planting part.

FIG. 16 is a rear view of the planting part and the rear wheel support part.

[Explanation of symbols]

 1 Conveyor Frame 2 Conveyor Chain 3 Conveyor Belt 6 Clamping Tool 7 Adhesive Tape 10 Pressure Contact Roller 17 Delivery Roll 21 Support Plate 26 Long Hole 28 Take-up Reel 30 Support Arm 37 Pipe 39 Take-up Drum 44 Skew Bar

Claims (1)

[Claims] 1. A standing posture in which the long seedlings are connected at a predetermined interval with a tape, and the long seedlings are cut under the tape while being moved together with the tape in a tensioned state in which the long seedlings are suspended. Long seedling transplantation method characterized by planting with.