WO2022224931A1 - 苗列分離供給装置 - Google Patents

苗列分離供給装置 Download PDF

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Publication number
WO2022224931A1
WO2022224931A1 PCT/JP2022/018033 JP2022018033W WO2022224931A1 WO 2022224931 A1 WO2022224931 A1 WO 2022224931A1 JP 2022018033 W JP2022018033 W JP 2022018033W WO 2022224931 A1 WO2022224931 A1 WO 2022224931A1
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Prior art keywords
seedling
pair
conveyors
seedlings
row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/018033
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English (en)
French (fr)
Japanese (ja)
Inventor
隆仁 玉尾
崇 鯨井
真 松田
城久 今村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Beet Sugar Manufacturing Co Ltd
Circle Kiko Co Ltd
Original Assignee
Nippon Beet Sugar Manufacturing Co Ltd
Circle Kiko Co Ltd
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Application filed by Nippon Beet Sugar Manufacturing Co Ltd, Circle Kiko Co Ltd filed Critical Nippon Beet Sugar Manufacturing Co Ltd
Priority to JP2023515461A priority Critical patent/JPWO2022224931A1/ja
Publication of WO2022224931A1 publication Critical patent/WO2022224931A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings

Definitions

  • the present invention relates to a seedling row separating and supplying device that separates rows of seedlings into two and supplies them to a seedling planting device.
  • transplanter that transplants paper tube seedlings separated from a group of connected seedlings into a field in multiple rows using a seedling planting device.
  • This type of transplanter is equipped with a seedling row feeding device for feeding paper tube seedlings to the seedling planting device.
  • the row seedling supply device receives rows of seedlings separated in rows from the group of connected seedlings, and supplies paper tube seedlings to the seedling planting device.
  • a separate seedling row supply device hereinafter referred to as "seedling row separating and feeding apparatus").
  • the row seedlings are placed so as to straddle a pair of conveyors that rotate in the direction in which the conveying direction is separated from each other (separation direction). If the adhesive force between the paper tube seedlings of the row seedlings is strong, the row seedlings may not be separated to the left and right at the adjacent positions of the pair of conveyors, and the supply amount of the row seedlings may be uneven.
  • the present invention has been made in view of the above problem, and an object of the present invention is to provide a seedling row separating and supplying device capable of suppressing the bias in the supply amount of row seedlings.
  • the seedling row separating and feeding device of the present invention separates a series of row seedlings in which a plurality of paper tube seedlings are arranged side by side into two directions and supplies them to the seedling planting device.
  • An apparatus comprising: a pair of receiving conveyors arranged in series with each other and transported in directions away from each other, on which the row seedlings are straddled; and the row-shaped seedlings placed on the pair of receiving conveyors and separation position adjusting means for adjusting the separation position of the seedlings.
  • the separation position adjusting means by adjusting the separation position of the row seedlings placed on the pair of receiving conveyors by the separation position adjusting means, the amount of row seedlings supplied from the row seedling separation and supply device to the seedling planting device bias can be suppressed.
  • FIG. 1 is a side view of a transplanter to which a seedling row separating and feeding device according to first to third embodiments is applied;
  • FIG. Fig. 2 is a plan view of the transplanter in Fig. 1;
  • BRIEF DESCRIPTION OF THE DRAWINGS It is a top view of the seedling row separation supply apparatus which concerns on 1st Embodiment.
  • FIG. 4 is an explanatory diagram of the second embodiment, in which (a) is a state in which the adjacent positions of the pair of left and right receiving conveyors are moved to the right along the conveying direction, and (b) is the state in which the adjacent positions of the pair of left and right receiving conveyors are moved in the conveying direction; It shows the state moved to the left along the .
  • FIG. 4 is an explanatory diagram of the second embodiment, in which (a) is a state in which the adjacent positions of the pair of left and right receiving conveyors are moved to the right along the conveying direction, and (b) is the state in which the adjacent positions of the pair of left and right receiving conveyors are moved in the conveying direction; It shows the state moved to the left along the .
  • It is a conceptual diagram of the seedling row separation supply apparatus which concerns on 3rd Embodiment.
  • It is a conceptual diagram of another Example of a seedling row separation supply apparatus.
  • FIGS. 1 and 2 A first embodiment of the present invention will be described with reference to the accompanying drawings. First, a transplanter to which the seedling row separating and supplying device according to the first embodiment is applied will be described.
  • positions such as top, bottom, left, and right are referred to according to the direction of the reference numerals in the drawings.
  • the left direction (left side) in FIGS. 1 and 2 is referred to as the front direction (front side)
  • the right direction (right side) is referred to as the rear direction (rear side).
  • the downward direction (lower side) in FIG. 2 is called the right direction (right side)
  • the upward direction (upper side) is called the left direction (left side).
  • the left-right direction in FIGS. 3 and 4 is referred to as the transport direction.
  • the transplanter 1 simultaneously transplants a plurality of rows (two rows in the first embodiment) of paper tube seedlings 7 into a field (not shown). is connected to a tractor (not shown) via a connecting piece 11.
  • the transplanter 1 receives a series of row seedlings 5 in which a plurality of paper tube seedlings 7 are connected in parallel, and separates the received row seedlings 5 into two directions (left and right). and a seedling planting device 15 for planting the paper tube seedlings 7 of the row-shaped seedlings 5 formed in a field.
  • the seedling row separating and supplying device 13A includes a pair of left and right receiving conveyors for receiving rows of seedlings 5 separated from a group of connected seedlings 3 stored in a seedling box 19 placed on a seedling platform 17.
  • a pair of left and right planting conveying conveyors 37L and 37R for receiving and conveying paper tube seedlings 7 conveyed from conveyors 35L and 35R are provided.
  • the seedling row separating and supplying device 13A receives the paper tube seedlings 7 conveyed from the pair of left and right planting conveying conveyors 37L and 37R, and supplies the received paper tube seedlings 7 to the seedling planting device 15.
  • Supply conveyors 39L, 39R are provided.
  • a pair of left and right receiving conveyors 29L, 29R, a pair of left and right upper supply conveyors 35L, 35R, a pair of left and right planting conveyors 37L, 37R, and a pair of left and right lower supply conveyors 39L, 39R are power take-off (PTO) of the tractor. It is driven by a power supply via shafts or ground drive wheels 21 (see FIG. 1).
  • the pair of left and right receiving conveyors 29L, 29R includes a pair of left and right first seedling feeding conveyors 31L, 31R and a pair of right and left first seedling feeding conveyors 31L, 31R for receiving and conveying row seedlings 5 conveyed from the pair of left and right first seedling feeding conveyors 31L, 31R. 2 seedling feeding conveyors 33L and 33R are provided.
  • the pair of left and right first seedling feed conveyors 31L and 31R are arranged in series with each other and rotate so that the conveying direction is the direction away from each other (separation direction), and the separated seedlings 5 are transferred to the second pair of left and right seedlings.
  • the seedlings are conveyed to the seedling feeding conveyors 33L and 33R.
  • a pair of left and right first seedling feeding conveyors 31L, 31R are made of a cushioning material such as rubber, polyurethane, etc., which are looped around first conveyor rollers 41L, 41R and second conveyor rollers 42L, 42R. Endless belts 43L and 43R (belts) are provided.
  • endless belts 43L and 43R of the pair of left and right first seedling feeding conveyors 31L and 31R have a plurality of rectangular projections in cross section for holding the paper tube seedlings 7 on their conveying surfaces.
  • 44 (separation position adjusting means) is provided.
  • the protrusion 44 is a single protrusion extending in the width direction of the endless belts 43L, 43R (see FIG. 3), and is provided at a predetermined interval along the conveying direction of the pair of left and right first seedling feeding conveyors 31L, 31R. (See Figures 4 and 5).
  • the protrusions 44 are provided at intervals that can hold one paper tube seedling 7 .
  • the pair of left and right second seedling feed conveyors 33L, 33R rotates so that the conveying direction is in a direction away from each other (separation direction), and is connected to the delivery ends of the pair of left and right first seedling feed conveyors 31L, 31R. , and arranged in series with respect to the pair of left and right first seedling feeding conveyors 31L and 31R.
  • the pair of left and right second seedling feeding conveyors 33L and 33R includes first to fifth conveyor rollers 45L to 49L and 45R to 49R and an endless belt made of a cushioning material such as rubber or polyurethane. 50L and 50R (belts) are provided.
  • the endless belts 50L, 50R comprise first conveyor rollers 45L, 45R arranged adjacent to the second conveyor rollers 42L, 42R of the pair of left and right first seedling feed conveyors 31L, 31R, and the pair of left and right upper supply conveyors 35L, Second conveyor rollers 46L, 46R arranged adjacent to 35R, third conveyor rollers 47L, 47R arranged below the second conveyor rollers 42L, 42R, and below the first conveyor rollers 45L, 45R It is looped around the arranged fourth conveyor rollers 48L and 48R.
  • the fifth conveyor rollers 49L, 49R are arranged so as to turn back the endless belts 50L, 50R, that is, between the first conveyor rollers 45L, 45R and the fourth conveyor rollers 48L, 48R, and the first conveyor rollers 45L. , 45R and the fourth conveyor rollers 48L, 48R (near the second conveyor rollers 46L, 46R and the third conveyor rollers 47L, 47R), and contact the surfaces (conveyance surfaces) of the endless belts 50L, 50R. It is
  • the pair of left and right upper supply conveyors 35L, 35R are arranged adjacent to the delivery ends of the pair of left and right second seedling feeding conveyors 33L, 33R, and are composed of a pair of left and right endless belts 52, 53 extending in the vertical direction.
  • the pair of left and right upper supply conveyors 35L, 35R sequentially feeds the leading paper tube seedlings 7 of the row seedlings 5 conveyed from the pair of left and right receiving conveyors 29L, 29R (the pair of left and right second seedling feeding conveyors 33L, 33R). It is sandwiched and conveyed downward (downward in the drawing in FIG. 4).
  • the pair of left and right endless belts 52 and 53 are made of a cushioning material such as rubber or polyurethane.
  • the pair of left and right planting conveying conveyors 37L, 37R are arranged so that one end side thereof (the receiving side of the paper tube seedling 7) is arranged below the pair of left and right upper supply conveyors 35L, 35R and extends in a direction approaching each other. be done.
  • the pair of left and right planting conveyors 37L, 37R conveys the paper tube seedlings 7 received from the pair of left and right upper supply conveyors 35L, 35R to the pair of left and right lower supply conveyors 39L, 39R.
  • the pair of left and right lower supply conveyors 39L, 39R are arranged adjacent to the delivery ends of the pair of left and right planted conveying conveyors 37L, 37R, and are composed of a pair of left and right endless belts 54, 55 extending in the vertical direction.
  • the pair of left and right lower supply conveyors 39L and 39R sequentially sandwich the paper tube seedlings 7 transported from the pair of left and right planting transport conveyors 37L and 37R and supply them to the seedling planting device 15 .
  • the pair of left and right endless belts 54 and 55 are made of a cushioning material such as rubber or polyurethane.
  • the first conveyor rollers 45L, 45R and the fifth conveyor rollers 49L, 49R are rotatably provided on one connecting frame 56 as movable rollers.
  • the connecting frame 56 integrally supports these movable rollers, and is connected to a frame body (not shown) that supports the fixed rollers other than the movable rollers of the pair of left and right second seedling feeding conveyors 33L and 33R.
  • 1st seedling feed conveyors 31L and 31R are attached so as to be movable along the conveying direction.
  • the seedling row separating and supplying device 13A includes moving means (separating position adjusting means) for moving the connecting frame 56 along the conveying direction of the pair of left and right first seedling feeding conveyors 31L and 31R.
  • the moving means in the first embodiment includes an actuator that moves the connecting frame 56 (movable roller) along the conveying direction of the pair of left and right first seedling feeding conveyors 31L and 31R.
  • the actuator is an electric cylinder 58 whose one end side is connected with the connecting frame 56 .
  • the first conveyor rollers 45L and 45R (first movable rollers) of the pair of left and right second seedling feeding conveyors 33L and 33R, and the fifth conveyor rollers 49L and 49R (second movable rollers) for folding back the endless belts 50L and 50R.
  • these rollers 45L, 45R, 49L, 49R can be moved without changing the total length of the endless belts 50L, 50R.
  • the seedling planting device 15 is formed by a groove cutter 61 which is provided in the lower part of the body frame 9 and forms a planting groove (not shown) in the field, and the groove cutter 61.
  • the seedling planting device 15 is a conventional sandwich planting method (see Japanese Patent Application Laid-Open No. 1-289406 as an example) using planting discs 63 made of two rubber plates, and is a pair of lower stages of the seedling row separating and feeding device 13A.
  • Paper tube seedlings 7 conveyed from supply conveyors 39L and 39R are sandwiched between two rubber plates and dropped into a planting groove in a field.
  • the paper tube seedling 7 dropped into the planting groove is fixed to the field by a pair of left and right pressing wheels 65 .
  • FIG. 7 a group of connected seedlings 3 (see FIGS. 1 and 2) housed in a seedling box 19 is divided into rows, and the divided row-shaped seedlings 5 are placed in a pair of left and right seedling row separating and feeding devices 13A.
  • the seedlings are placed on the first seedling feeding conveyors 31L, 31R and the pair of left and right second seedling feeding conveyors 33L, 33R.
  • the paper tube seedlings 7 that are part of the row seedlings 5 are separated from the projections 44, 44 (separated
  • the pair of left and right first seedling feeding conveyors 31L and 31R are rotated so that their conveying directions are separated from each other (separation direction).
  • the separation position of the row seedlings 5 is adjusted near the adjacent position P of the pair of left and right receiving conveyors 29L and 29R.
  • each row-shaped seedling 5 separated to the left and right is conveyed to a pair of left and right upper supply conveyors 35L and 35R via a pair of second seedling feeding conveyors 33L and 33R.
  • the conveyed row seedlings 5 are separated into individual paper tube seedlings 7 in the process of passing through a pair of left and right upper supply conveyors 35L and 35R.
  • the separated paper tube seedlings 7 are conveyed from a pair of left and right upper supply conveyors 35L, 35R to a pair of left and right planting conveyors 37L, 37R.
  • the pair of left and right planting conveyers 37L, 37R transports the seedling paper tube 7 to the pair of left and right lower supply conveyors 39L, 39R, and the pair of left and right lower supply conveyors 39L, 39R plant the seedling paper tube 7 received. Transfer to the planting disk 63 of the planting device 15 .
  • the separation position of the row seedlings was sometimes biased to the left and right due to the adhesive force between the paper tube seedlings, the deviation of the placement position of the row seedlings, and the like. If the separation position is biased, when the next row of seedlings is placed, the row of seedlings will remain on the left receiving conveyor or the right receiving conveyor.
  • the separation position of the row seedlings 5 is adjusted by displacing the adjacent position P of the pair of left and right receiving conveyors 29L and 29R with the electric cylinder 58 (moving means).
  • the connecting frame 56 is moved left and right by extending the electric cylinder 58. It is moved to the transport direction side of the pair of first seedling feeding conveyors 31R.
  • the first conveyor rollers 41L, 41R and the second conveyor rollers 42L, 42R of the pair of left and right first seedling feed conveyors 31L, 31R, and the first conveyor rollers 45L of the pair of left and right second seedling feed conveyors 33L, 33R , 45R and the fifth conveyor rollers 49L, 49R move together (see arrows in FIG. 8), and the adjacent position P between the pair of left and right receiving conveyors 29L, 29R is displaced to the adjacent position P1.
  • the row seedlings 5 are placed on the pair of left and right first seedling feeding conveyors 31L and 31R and the pair of left and right second seedling feeding conveyors 33L and 33R, the row seedlings 5 are placed near the adjacent position P1 after movement. is separated into left and right. At this time, the row seedlings 5 are placed on the side of the first seedling feeding conveyor 31L and the second seedling feeding conveyor 33L more than the amount placed on the side of the first seedling feeding conveyor 31R and the second seedling feeding conveyor 33R. increase the amount of In this manner, the amount of paper tube seedlings 7 supplied to the first seedling feeding conveyor 31L and the second seedling feeding conveyor 33L can be adjusted (increased).
  • the row seedlings 5 conveyed from the pair of left and right second seedling feeding conveyors 33L, 33R are separated into individual paper tube seedlings 7 by the pair of left and right upper supply conveyors 35L, 35R, and the separated paper tube seedlings 7 are The seedlings are transferred to the planting disk 63 of the seedling planting device 15 via a pair of left and right planting conveying conveyors 37L, 37R and a pair of left and right lower supply conveyors 39L, 39R.
  • the electric cylinder 58 is contracted to move the connecting frame 56 into a pair of left and right. , to the conveying direction side of the first seedling feeding conveyor 31L.
  • the first conveyor rollers 41L, 41R and the second conveyor rollers 42L, 42R of the pair of left and right first seedling feed conveyors 31L, 31R, and the first conveyor rollers 45L of the pair of left and right second seedling feed conveyors 33L, 33R , 45R and the fifth conveyor rollers 49L, 49R move together (see arrows in FIG. 9), and the adjacent position P between the pair of left and right receiving conveyors 29L, 29R is displaced to the adjacent position P2.
  • the row seedlings 5 are placed on the pair of left and right first seedling feeding conveyors 31L and 31R and the pair of left and right second seedling feeding conveyors 33L and 33R, the row seedlings 5 are placed near the adjacent position P2 after movement. is separated into left and right. At this time, the row seedlings 5 are placed on the first seedling feed conveyor 31R and the second seedling feed conveyor 33R side more than the amount placed on the first seedling feed conveyor 31L and the second seedling feed conveyor 33L side. increase the amount of In this way, the amount of paper tube seedlings 7 supplied to the first seedling feeding conveyor 31R and the second seedling feeding conveyor 33R can be adjusted (increased).
  • the row seedlings 5 conveyed from the pair of left and right second seedling feeding conveyors 33L, 33R are separated into individual paper tube seedlings 7 by the pair of left and right upper supply conveyors 35L, 35R, and the separated paper tube seedlings 7 are The seedlings are transferred to the planting disk 63 of the seedling planting device 15 via a pair of left and right planting conveying conveyors 37L, 37R and a pair of left and right lower supply conveyors 39L, 39R.
  • the transplanter 1 to which the seedling row separating and supplying device 13A according to the first embodiment is applied can obtain the following effects.
  • the row seedlings 5 are placed on the pair of left and right receiving conveyors 29L and 29R (the first seedling feeding conveyors 31L and 31R and the second seedling feeding conveyors 33L and 33R) of the seedling row separating and supplying device 13A, the row seedlings 5 are When biased toward the first seedling feeding conveyor 31L and the second seedling feeding conveyor 33L side, or the first seedling feeding conveyor 31R and the second seedling feeding conveyor 33R side, the paper tube seedlings 7 are evenly distributed to the seedling planting device 15. There is a possibility that the supply of paper tube seedlings 7 will be insufficient.
  • the electric cylinder 58 (moving means) is used to move the connecting frame 56 along the conveying direction of the pair of left and right first seedling feed conveyors 31L and 31R, thereby moving the pair of left and right receiving conveyors 29L and 29R.
  • the separation position of the row seedlings 5, that is, the amount of separation to the left and right is adjusted.
  • the unevenness of the row-shaped seedlings 5 can be suppressed, the paper tube seedlings 7 can be evenly supplied to the seedling planting device 15, and the supply shortage of the paper tube seedlings 7 can be avoided.
  • the pair of left and right first seedling feeding conveyors 31L, 31R are arranged on the conveying surface at intervals substantially equal to the width of the paper tube seedlings 7 along the conveying direction of the pair of left and right first seedling feeding conveyors 31L, 31R. Since the provided protrusions 44 (separation position adjusting means) are provided, the paper tube seedlings 7 are reliably held between the adjacent protrusions 44 , 44 . As a result, even if the adhesive force between the paper tube seedlings 7 of the row seedlings 5 is strong, the row seedlings 5 can be separated appropriately at the adjacent position P between the pair of left and right receiving conveyors 29L and 29R, in other words. , the separation position of the row seedlings 5 can be adjusted to the adjacent position P of the pair of left and right receiving conveyors 29L, 29R, and bias of the row seedlings 5 can be suppressed.
  • the first embodiment can be configured as follows.
  • the pair of left and right first seedling feeding conveyors 31L and 31R is provided between the pair of left and right second seedling feeding conveyors 33L and 33R to configure the seedling row separating and feeding device 13A.
  • two pairs of left and right first seedling feeding conveyors 31L and 31R may be provided, or two or more pairs may be provided.
  • the endless belts 43L, 43R of the pair of left and right first seedling feeding conveyors 31L, 31R are hung on two conveyor rollers (first conveyor rollers 41L, 41R and second conveyor rollers 42L, 42R). Although it is rotated, as shown in FIG.
  • a plurality of protrusions 44 are provided on the pair of right and left first seedling feeding conveyors 31L and 31R. Anything that can be separated by For example, as shown in FIG.
  • the distance between adjacent projections 44, 44 may be narrowed, and a plurality of paper tube seedlings 7, such as two or three, may be held. , the formation intervals of the protrusions 44 may be changed as appropriate.
  • the protrusion 44 has a square cross section, it may have a triangular cross section as shown in FIG. 11(b), or may have another shape such as a trapezoid.
  • the seedling row separation and supply device 13B includes a detection means for detecting the transported paper tube seedlings 7 and a control means for controlling the operation of the electric cylinder 58 (moving means, see FIG. 3). , is different from the seedling row separating and supplying device 13A according to the first embodiment. Note that the same designations and reference numerals are used for common parts with the first embodiment, and redundant explanations are omitted.
  • the seedling row separating and supplying device 13B includes detection means 71L and 71R for detecting row seedlings 5 on the pair of left and right second seedling feed conveyors 33L and 33R, and detection means 71L and 71R for detecting the row seedlings 5.
  • a control means 73 for controlling the operation of the electric cylinder 58 based on the above and adjusting the supply of the paper tube seedlings 7 separated in two directions.
  • the detection means 71L and 71R are arranged near the delivery end of the pair of left and right second seedling feed conveyors 33L and 33R, and transmit the detected signal (detection signal) to the control means 73 .
  • the control means 73 receives the detection signals transmitted from the detection means 71L and 71R, and controls the operation of the electric cylinder 58 according to the received detection signals.
  • Detecting means 71L and 71R detect the presence or absence of row-shaped seedlings 5 flowing in front of the delivery end of the pair of left and right second seedling feeding conveyors 33, and based on this detection, the control means 73 activates the electric cylinder 58. Control. Specifically, as shown in FIG. 13(a), when there are no rows of seedlings 5 remaining on the second seedling feeding conveyor 33L, the detection means 71L detects this state, and outputs the detection signal to the control means 73. Send to The control means 73 operates the electric cylinder 58 according to the received detection signal. Thereby, the connecting frame 56 (movable roller) is moved by the electric cylinder 58 along the conveying direction of the first seedling feeding conveyor 31R.
  • the detection means 71R detects this state and transmits a detection signal to the control means 73.
  • the control means 73 operates the electric cylinder 58 according to the received detection signal.
  • the connecting frame 56 movable roller
  • the detection means 71L and 71R detect the state in which the row seedlings 5 do not remain, but detect the state in which the row seedlings 5 remain, and output the detection signal to the control means. 73.
  • the detectors 71L and 71R detect a state in which the row seedlings 5 do not remain on the second seedling feeding conveyors 33L and 33R, and transmit the detected signals to the controller 73.
  • FIG. The control means 73 controls the operation of the electric cylinder 58 (moving means) according to the detection signals of the detection means 71L and 71R, and displaces the adjacent position P between the pair of receiving conveyors 29L and 29R to the displacement position P1 or the displacement position P2.
  • the seedling row separation supply device 13C according to the third embodiment does not include the left and right pair of first seedling feeding conveyors 31L and 31R of the seedling row separation supply device 13A. 13A is different. Note that the same designations and reference numerals are used for common parts with the first embodiment, and redundant explanations are omitted.
  • the pair of left and right receiving conveyors 29L and 29R in the seedling row separation and supply device 13C according to the third embodiment includes the left and right pair of first seedling feeding conveyors 31L and 31R of the seedling row separation and supply device 13A according to the first embodiment. It is composed only of a pair of left and right second seedling feeding conveyors 33L and 33R.
  • the first conveyor rollers 45L, 45R of the pair of left and right second seedling feeding conveyors 33L, 33R are arranged adjacent to each other. Only the first conveyor rollers 45L, 45R and the fifth conveyor rollers 49L, 49R of the pair of left and right second seedling feeding conveyors 33L, 33R are connected to the connecting frame 56 (see FIG. 3).
  • a plurality of rectangular projections 75 (separation position adjusting means) for holding the paper tube seedlings 7 are provided on the conveying surfaces of the pair of left and right second seedling feeding conveyors 33L and 33R.
  • the plurality of protrusions 75 are single protrusions extending in the width direction of the endless belts 50L, 50R, and are provided at predetermined intervals along the conveying direction of the pair of left and right second seedling feeding conveyors 33L, 33R.
  • the protrusions 75 are provided at intervals so as to hold one paper tube seedling 7 .
  • the electric cylinder 58 moving means
  • the pair of left and right second seedling feed conveyors 33L, 33R move.
  • the first conveyor rollers 45L, 45R (first movable rollers) and the fifth conveyor rollers 49L, 49R (second movable rollers) move, and the adjacent position P of the pair of left and right second seedling feeding conveyors 33L, 33R is displaced. do.
  • the transplanter 1 to which the seedling row separating and supplying device 13C according to the third embodiment is applied the following effects can be obtained in addition to the effects of the first embodiment described above.
  • the pair of left and right receiving conveyors 29L, 29R is composed only of the pair of left and right second seedling feed conveyors 33L, 33R, so the number of parts is reduced and the seedling row separating and supplying device 13C is simplified. be able to.
  • a belt with projections having a larger circumferential length than those in the first and second embodiments is required.
  • the above-described seedling row separating and supplying device can be configured as follows.
  • the pair of left and right receiving conveyors 29L and 29R includes a pair of first seedling feeding conveyors 31L and 31R, as shown in FIG. , that is, the adjacent position P of the pair of left and right receiving conveyors 29L and 29R is not displaced.
  • the paper tube seedlings 7 are securely held between the projections 44, 44 (separation position adjusting means) of the pair of first seedling feeding conveyors 31L, 31R, the paper tube seedlings 7 have a strong adhesive force.
  • the row seedlings 5 are properly separated at the adjacent positions P of the pair of left and right receiving conveyors 29L, 29R.
  • the separation position adjusting means can adjust the separation position of the row seedlings 5 to the position P adjacent to the pair of left and right receiving conveyors 29L and 29R.
  • the adjacent position P of the pair of left and right receiving conveyors 29L, 29R cannot be displaced, the number of parts is reduced, so the seedling row separating and feeding device can be simplified.
  • the pair of left and right second seedling feed conveyors 33L and 33R are provided with predetermined A plurality of protrusions may be provided at intervals of .
  • the above projections and the projections 75 of the pair of left and right second seedling feeding conveyors 33L and 33R in the seedling row separating and supplying device 13C according to the third embodiment may be configured in the same manner as the projections 44 shown in FIG. can.
  • the seedling according to the first to third embodiments displaces the adjacent position P of the pair of left and right receiving conveyors 29L and 29R to the adjacent position P1 or the adjacent position P2 using the electric cylinder 58 (moving means, separation position adjusting means).
  • the protrusions 44 or 75 (separation position adjusting means) provided on the pair of left and right receiving conveyors 29L, 29R are not essential components.
  • the endless belts 43L and 43R of the pair of left and right first seedling feeding conveyors 31L and 31R and the pair of left and right second seedling feeding conveyors are independent belts, but by crossing the belts so that the conveying directions are separated from each other, one common belt can be formed.

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transplanting Machines (AREA)
PCT/JP2022/018033 2021-04-19 2022-04-18 苗列分離供給装置 Ceased WO2022224931A1 (ja)

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JP2021-070540 2021-04-19
JP2021070540 2021-04-19
JP2021-070582 2021-04-19

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938711U (ja) * 1982-09-07 1984-03-12 株式会社クボタ 移植機の苗移送装置
JPH0340088Y2 (https=) * 1985-04-23 1991-08-23
JP3541024B2 (ja) * 2001-02-05 2004-07-07 株式会社ホクエイ 移植機の苗供給方法及び苗供給装置
JP3686356B2 (ja) * 2001-07-11 2005-08-24 株式会社ホクエイ 移植機の苗供給装置
JP2006149267A (ja) * 2004-11-29 2006-06-15 Hokuei:Kk 移植機の苗振分け装置
CN110447361A (zh) * 2019-09-07 2019-11-15 孟永升 一种链式纸钵移栽机及使用方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938711U (ja) * 1982-09-07 1984-03-12 株式会社クボタ 移植機の苗移送装置
JPH0340088Y2 (https=) * 1985-04-23 1991-08-23
JP3541024B2 (ja) * 2001-02-05 2004-07-07 株式会社ホクエイ 移植機の苗供給方法及び苗供給装置
JP3686356B2 (ja) * 2001-07-11 2005-08-24 株式会社ホクエイ 移植機の苗供給装置
JP2006149267A (ja) * 2004-11-29 2006-06-15 Hokuei:Kk 移植機の苗振分け装置
CN110447361A (zh) * 2019-09-07 2019-11-15 孟永升 一种链式纸钵移栽机及使用方法

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