JP2006296329A - Planting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a planting device capable of planting a plant body well uprightly on the field. <P>SOLUTION: The planting device 1 is equipped with a planting part 3 composed of a pair of freely openable nipping pieces 2, a lift 4 for lifting and lowering the planting part 3 between an upper position P1 and a lower position P2 and an opening/closing device 5 opening and closing the nipping pieces 2. The planting part 3 is formed to nip a bulb N with the nipping pieces 2 at the upper position P1 so as to downwardly protrude at least a part of the lower part of the bulb N, sticks the lower part of the bulb N into the field by falling to the lower position P2, and plants the bulb N in the field by opening the nipping pieces 2 and rising. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a planting apparatus for planting plants such as bulbs and seedlings in a field.

  As background art, the transplanting device of the transplanter described in patent document 1 is illustrated. As shown in FIG. 8, this planting apparatus has a pair of front and rear planting cups 81 having a lower end formed in a bowl shape, an elevating device 82 for moving the cup 81 up and down, and opening and closing the cup 81. An opening / closing device 83 for holding the transplanted seedling in the cup 81 at a closed and raised position of the cup 81, lowering the cup 81 and piercing it into the field, and opening and raising the cup 81, The seedling in the cup 81 is planted in the field. The opening / closing device 83 includes a cam 84 that controls the opening / closing of the cup 81.

JP 2000-102307 A

  However, when trying to plant bulbs such as raccoon, garlic, etc., which have a substantially spherical bottom end, with a conventional planting device, the bulbs do not stand upright when the cup 81 is opened, There is a problem that an inversion is made. Since the bulbs do not grow when the bulbs are inverted, the bulbs are currently planted by hand, but they are bent and the number of planted plants is so large that they are hard labor and there is a strong demand for mechanization.

In order to solve the above problems, the planting apparatus of the present invention is:
A planting part including at least a pair of knobs that can be freely opened and closed;
An elevating device that elevates and lowers the planting part between an ascending position and a descending position;
A planting device comprising an opening and closing device for opening and closing the knob;
The planting part is picked by the pick piece in a state in which at least a part of the lower part of the plant body protrudes downward in the raised position, and stabs the lower part of the plant body in the field by descending to the lowered position, The plant body is configured to be planted in a field by opening and raising the knob.

  Although it does not specifically limit as said plant body, The bulbs, seedlings, etc. which are planted in a farm field are illustrated.

  According to this configuration, the pick piece is picked in a state in which at least a part of the lower part of the plant body protrudes downward, and the lower part of the plant body is stabbed into the field, so the pick piece is opened. Sometimes, the part of the plant body that protrudes downward from the picked piece is in a state of being stabbed into the field, and the plant body can be prevented from falling down. For this reason, a plant can be planted in a field with good uprightness.

  The aspect provided with the fall control member which controls the fall of a plant body in the lower position of the said planting part in the said raising position in the position where at least one part of the lower part of a plant body projects below the said knob | pick piece is illustrated. .

  According to this configuration, the plant body can be reliably picked by the pick piece at the protruding position.

  The part which touches the surrounding surface of this plant body in the said pick piece when pinching the said plant body illustrates the aspect formed so that it might curve along this surrounding surface.

  According to this structure, when the said planting part picks the said plant body, it can prevent damaging this plant body.

  According to the planting apparatus which concerns on this invention, there exists an outstanding effect that a plant body can be planted in a field with sufficient uprightness.

  FIGS. 1-7 has shown the planting apparatus 1 of the planting machine 10 of one Embodiment which actualized this invention. This planting machine 10 is for planting bulb N such as raccoon or garlic as a plant body, and is movably supported on traveling wheels 11 and driving wheels 12 as traveling means, as shown in FIGS. The planting apparatus 1 is mounted on the machined body 13. The planting device 1 includes a planting part 3 including a pair of knobs 2 that can be freely opened and closed, a lifting device 4 that raises and lowers the planting part 3 between a raised position P1 and a lowered position P2, and opens and closes the knob 2 And a drive mechanism 6 for driving the lifting device 4 and the switching device 5. In each figure, the arrow F indicates the front side of the aircraft.

  As shown in FIGS. 3 to 5, the planting part 3 is attached to the base part 20, the guide cylinder part 21 that is attached to the base part 20, and whose upper end side has a tapered diameter, and the guide in the base part 20. The planting cup part 22 provided in the lower side of the cylinder part 21 is provided. The planting cup portion 22 includes a pair of rotating pieces 24 that are pivotally supported on the base portion 20 via a pair of cup support shafts 23, and a pair of knobs 2 that are respectively attached to the rotating pieces 24. It has. As shown in FIG. 4, both the rotating pieces 24 are configured to rotate in conjunction with each other by a cam groove 25 provided on one side and a pin 26 provided on the other side. Both the knobs 2 are urged by the compression spring 27 in the closing direction. Thus, in the planting part 3, the pair of knobs 2 are supported so as to be openable and closable with respect to the guide cylinder part 21 so as to pick the bulb N below the guide cylinder part 21. The pair of knobs 2 are formed in a cylindrical shape with the lower end side tapered to a diameter when they are closed, so that when the bulb N is picked as shown in FIG. The part 2a that contacts the peripheral surface is curved and formed along the peripheral surface.

  As shown in FIG. 3, the lifting device 4 includes a pair of planting arm shafts 30 that are pivotally supported on the machine body 13 at an interval in the front-rear direction, and a pair of planting arms that are respectively attached to the both planting arm shafts 30. Arm portion 31. In this example, the planting arm portion 31 includes four arms 32 arranged at intervals of 90 degrees around the planting arm shaft 30. The distance between the pair of planting arm shafts 30 is set to be the same as the distance between the pair of cup support shafts 23 in the planting unit 3, and the tips of the pair of arms 32 corresponding to both planting arm units 31 are The pair of cup support shafts 23 of the planting part 3 are rotatably connected to each other. Thereby, a pair of corresponding arms 32 of both planting arm portions 31 constitutes a parallel link, and as the planting arm portion 31 rotates, the planting portion 3 moves up and down by a circular motion while maintaining a standing posture. It is supposed to do.

  As shown in FIG. 3, the opening / closing device 5 is supported by one of the rotating pieces 24 of the planting unit 3 and supported by the machine body 13 and a roller 36 that is rotatably supported via a roller support piece 35. The first planting cam 37 and the drop regulating member 38 and the second planting cam 39 attached to each arm 32 of the planting arm portion 31 are provided. A roller 36 guides the first planting cam 37 so that when the planting arm 3 is in the raised position P1, the pair of knobs 2 are opened by a certain amount as the planting arm 31 rotates. Is done. During this time, the fall of the bulb N is regulated at a position where at least a part of the lower part of the bulb N protrudes below the knob 2 by the fall regulating member 38 provided at the lower position of the planting part 3 at the raised position P1. Is done. At this time, as a certain amount, at least a part of the lower part of the bulb N is set to an amount that can protrude below the knob 2. The second planting cam 39 has a roller 36 so that when the planting part 3 is in the lowered position P2, the pair of knobs 2 are opened to release the bulb N as the planting arm part 31 rotates. Is guided.

  As shown in FIGS. 1 and 2, the drive mechanism 6 is a chain transmission mechanism as a power transmission mechanism that transmits the rotational force of the drive wheel 12 to one planting arm shaft 30. 12a and a pair of sprockets 40, 41 respectively attached to the planting arm shaft 30, and a chain 42 wound around both sprockets.

The planting device 1 configured as described above sequentially plants the bulbs N in the field H by repeating the following (1) and (2).
(1) When the planting part 3 reaches the raised position P1 while performing a circular motion, the roller 36 is guided by the first planting cam 37 so that the pair of knobs 2 are opened by a certain amount. At this time, the bulb N is introduced from the guide tube portion 21. The bulb N is guided by the guide tube portion 21 and falls between the pair of knobs 2, and the fall regulating member 38 regulates the fall of the bulb N. Then, during the circular movement of the planting part 3, the roller 36 is not guided by the first planting cam 37 while the pair of knobs 2 are above the drop regulating member 38, and at least a part of the lower part of the bulb N Is in a state of being picked by the knob 2 in a state of protruding downward.

(2) While maintaining this state, the planting unit 3 moves to the lowering position P2 while making a circular motion, thereby piercing the lower part of the bulb N into the field H. When the planting part 3 is in the lowered position P2, the pair of knobs 2 starts to open by the second planting cam, and the bulb N is left in the field H and rises. 6 and 7 show the situation at this time, and the planting part 3 is shown by a solid line in a circular motion at the bottom dead center, and the planting part 3 is 15 °, 30 ° from the bottom dead center, The states of 45 ° and 60 ° circular movement (the knobs in each state are indicated by 2a, 2b, 2c and 2d, respectively) are indicated by two-dot chain lines. FIG. 6 shows a relative operation of the planting unit 3 with respect to the body 13 of the planting machine 10. FIG. 7 shows the operation of the planting unit 3 that proceeds with the body 13 of the planting machine 10 with respect to the field H (relative operation with respect to the field H). In this example, the planting pitch is designed to be 120 mm, and when the planting part 3 moves 15 ° circularly, the body 13 is configured to travel 20 mm. As shown in FIG. 7, the pair of knobs 2 rises in a sufficiently opened state so as not to touch the upright bulb N after the bulb N is upright and pierced and released from the field H. It has become.

  According to the planting device 1 of the planting machine 10 of the present example configured as described above, the knob 2 is picked in a state in which at least a part of the lower part of the bulb N protrudes downward, and the bulb N Since the lower part is pierced into the field H, when the knob 2 is opened, the portion of the bulb N that protrudes downward from the knob 2 is pierced into the field H. The fall can be prevented. For this reason, the bulb N can be planted in the field H with good uprightness.

  In addition, a drop regulating member 38 that regulates the fall of the bulb N at a position where at least a part of the lower part of the bulb N protrudes below the knob 2 is provided below the planting part 3 at the raised position P1. Therefore, the bulb N can be reliably picked by the knob 2 at the protruding position.

  Further, in the knob 2, the portion 2 a that contacts the peripheral surface of the bulb N when the bulb N is picked is curved so as to follow the peripheral surface, so that when the planting unit 3 picks up the bulb N It is possible to prevent the bulb N from being damaged.

In addition, this invention is not limited to the said embodiment, For example, it can also be suitably changed and embodied as follows, for example in the range which does not deviate from the meaning of invention.
(1) Change the mechanisms of the opening / closing device 5 and the lifting device 4 as appropriate.
(2) To embody as a planting machine 10 for plants other than bulb N.

It is a side view which shows the state by which the planting apparatus which concerns on one Embodiment which actualized this invention was mounted in the planting machine. It is a top view of the same state. It is the III-III sectional view taken on the line of FIG. It is a sectional side view of the planting part in the descending position of the planting apparatus. FIG. 5 is a view taken in the direction of arrow V in FIG. 4. It is a side view which shows the relative operation | movement of the planting part with respect to the body of the planting machine. It is a side view which shows the operation | movement of the planting part which advances with the body of the planting machine with respect to an agricultural field. It is a side view which shows the planting apparatus of the conventional transplanter.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Planting device 2 Picking piece 3 Planting part 4 Lifting device 5 Opening / closing device 6 Drive mechanism 10 Planting machine 11 Traveling wheel 12 Drive wheel 13 Machine body 20 Base part 21 Guide cylinder part 22 Planting cup part 23 Cup support shaft 24 times Moving piece 30 Planting arm shaft 31 Planting arm portion 32 Arm 36 Roller 37 First planting cam 38 Drop regulating member 39 Second planting cam H Field N Bulb P1 Ascent position P2 Ascent position

Claims (3)

A planting part including at least a pair of knobs that can be freely opened and closed;
An elevating device that elevates and lowers the planting part between an ascending position and a descending position;
A planting device comprising an opening and closing device for opening and closing the knob;
The planting part is picked by the pick piece in a state in which at least a part of the lower part of the plant body protrudes downward in the raised position, and stabs the lower part of the plant body in the field by descending to the lowered position, A planting device configured to plant the plant body in a field by opening and raising the knob.   The fall control member which controls the fall of a plant body in the lower position of the planting part in the raising position at a position where at least a part of the lower part of a plant body projects below the knob is provided. Planting equipment.   The planting device according to claim 1 or 2, wherein a portion of the pick piece that contacts the peripheral surface of the plant body when the plant body is picked is curved so as to follow the peripheral surface.

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