JP2002253011A - Seedling-supplying device in seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the supply of seedling to a seedling-supplying device in a seedling transplanter. SOLUTION: In a seedling transplanter provided with a seedling-supplying device 3 and a seedling transplanting device 5 for transplanting seedlings supplied from a seedling tray 4 by the seedling-supplying device 3, both of the devices being placed on the front side of a handle frame 2 having a handle 1, spare seedling loading tables 6A, 6B are placed on the side of the handle frame 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling replenishing device for a seedling planting machine, and operates according to an arrangement of a spare seedling stage or an auxiliary seedling stage for accommodating seedlings for replenishing the seedling supplying device. It facilitates the operation and facilitates the replenishment of seedlings, and can be used as a transplanting machine for planting seedlings, tobacco seedlings, etc. in the form of a walking, seedling tray.

[0002]

2. Description of the Related Art In a walking-type vegetable seedling planting machine, a turntable for supplying seedlings while turning at the front upper portion of a handle frame is provided, and the seedlings supplied from the turntable are received and planted on a lower soil surface. There is known a technique in which a planting beak for planting a seedling while forming a perforated hole is provided, and an auxiliary seedling mounting table is arranged in front of these.

[0003]

In a walking-type seedling transplanter, in which seedlings grown in a form in which pot seedlings are arranged and arranged in a seedling tray are supplied to a seedling supply device to plant seedlings, the seedling supply device is large. It is easy to be bulky, it is easy to obstruct the front view of the driving vehicle, and it is difficult to supply seedlings to the seedling supply device.

[0004]

According to the first aspect of the present invention, a handle frame 2 having a handle 1 is provided at a front side thereof.
In the seedling planting machine in which the seedling supply device 3 and the seedling planting device 5 for planting the seedlings separated from the seedling tray 4 supplied by the seedling supply device 3, a spare seedling is provided on the side of the handle frame 2. The seedling replenishing device is characterized in that the mounting table 6 is arranged.

[0005] The invention according to claim 2 is characterized in that the spare seedling mounting table 6 is provided so as to be foldable toward the handle frame 2 side. The invention according to claim 3 is characterized in that the spare seedling mounting table 6 is provided so as to be able to accommodate the empty tray 7 after the supply of the seedlings and be folded.

According to a fourth aspect of the present invention, a seedling for supplying a seedling supply device 3 and a seedling separated from a seedling tray 4 supplied by the seedling supply device 3 is provided in front of a handle frame 2 having a handle 1. In a seedling planting machine in which the planting device 5 is disposed, an auxiliary seedling table 8 located in front of the planting device 3 is provided.
Is linked to the rear side of the seedling supply device 3 by the operation tool 9 of the handle frame 2 so as to be movable.

According to a fifth aspect of the present invention, a seedling supply device 3 having a rearward and downward slope and a seedling planting device 5 for planting seedlings at the rear of the handle frame 2 having a handle 1 are provided. A seedling replenishing device for a seedling plant, wherein an auxiliary seedling mounting table 8 is provided at a lower portion on the front side of the supply device 3.

[0008]

According to the first aspect of the present invention, the seedlings are planted while the spare seedlings are placed on the spare seedling table 6 on the side of the handle frame 2, and the seedlings of the seedling supply device 3 are planted. When the number is reduced by planting by the device 5, the driver can supply the seedling supply device 3 while removing the seedling tray 4 on the spare seedling mounting table 6, and can continue the seedling planting operation. For this reason, the driver can perform the supplementary seedling replenishment even from the posture or position where the steering wheel 1 of the handle frame 2 is steered, and can easily and quickly replenish the seedlings. In addition, since the spare seedling mounting table 6 is located on the side of the handle frame 2, it is difficult to obstruct the driver's operation and walking, and even if the seedling supply device 3 reciprocates laterally from side to side on the upper side. However, it is possible to adopt a form that does not hinder the lateral movement.

According to the second aspect of the present invention, when the spare seedlings of the spare seedling mounting table 6 are replenished and become empty, the spare seedling mounting table 6 is folded toward the handle frame 2 side. The width of the spare seedling mounting table 6 can be reduced to facilitate the driver's driving operation.

According to the third aspect of the present invention, the empty tray 7 after the supply of the seedlings can be accommodated in the spare seedling mounting table 6 folded on the side of the handle frame 2 as described above. The container can be transported by holding and holding, so that the seedling operation is not easily disturbed, and the handling of the empty tray 7 can be easily performed.

According to a fourth aspect of the present invention, with respect to the seedling supply device 3 located on the front side of the handle frame 2, the auxiliary seedling mounting table 8 located on the front side is operated by the operating tool 9 of the handle frame 2. Because it can be moved by operation,
The driver operates the steering wheel 1 while holding the auxiliary seedling mounting table 8 in front.
Can be drawn backward, and the seedling tray 4 on the auxiliary seedling mounting table 8 can be easily supplied to the seedling supply device 3.

According to the fifth aspect of the present invention, when the seedling supply device 3 is configured to be inclined backward and downward, the position of the center of gravity can be set to the front side to facilitate maneuverability. Although the portion receiving the supply of the seedling tray 4 projects upward and forward, the auxiliary seedling mounting table 8 is located at the front side of the seedling supply device 3, so that the projection forward is shortened and the operation is performed. The front view of the driver can be kept wide, and the maneuverability can be facilitated.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a seedling plant which is a walking type seedling plant having a handle frame, and in which seedlings grown as pot seedlings using seedling trays are planted while being supplied to a seedling supply device. Machine. The schematic configuration of the seedling planting machine will be described based on a diagram example. The vehicle body 10 includes a front wheel 11
And a drive wheel 12 at the rear. The vehicle can be driven by driving the drive wheel 12 by an engine 13 mounted at the front. The handle frame 2 projects to the upper rear and the handle 1
, The driver can operate and operate while walking. The seedling supply device 3 is configured to be inclined forward and downward along the upper side of the handle frame 2, and a seedling separation device 14 is arranged at the lower front side of the seedling supply device 3 so that the seedling supply device 3 is supplied from the seedling tray 4. A pot seedling A having a pot-shaped seedbed is separated or taken out. Further below this is a seedling planting device 5
The seedlings A separated by the seedling separation device 14 are received and planted on the soil surface B between the left and right drive wheels 12.
An auxiliary seedling mounting table 8 is provided in front of the seedling planting device 5 and above the engine 13.

The drive wheels 12 are mounted on the transmission case 1
5 around the axle housing 16 projecting left and right,
A vertically oscillating wheel transmission case 17 is provided, and is mounted on the rear end of the wheel transmission case 17. The axle housing 16 can be expanded and contracted to the left and right to adjust the tread. The left and right drive wheels 12 can be moved up and down via a seesaw arm 19 and a link rod 20 by the expansion and contraction of the pitching cylinder 18 to control the vehicle height. Reference numeral 21 denotes a ground contact sensor for controlling the vehicle height. The hydraulic control valve of the pitching cylinder 18 is switched by the vertical movement of the ground sensor 21 so that the plant height is maintained at a constant value so that the planting depth by the seedling planting device 5 is maintained. Can be kept constant. A rolling cylinder 22 is provided on the left and right link rods 20, and the height between the left and right drive wheels 12 is adjusted by the expansion and contraction by the detection of a horizontal sensor, so that the vehicle body 10 is substantially horizontally shaped. Control to maintain the posture.

The front wheel 11 is supported by a front wheel shaft 23 which can be extended and contracted right and left, and is adjusted in accordance with tread adjustment of the drive wheel 12. The front wheel axle 23 is moved up and down in conjunction with the elevation of the drive wheels 12, and the vehicle body 10 is elevated and lowered in parallel. A seedling transmission case 24 is provided from the transmission case 15 to the rear upper portion, and the seedling separation device 14 and the seedling planting device 5 are configured in conjunction with each other. Seedling supply transmission case 25
The seedling supply device 3 is interlocked via the.

Among these, the seedling supply device 3 allows the seedling separation device 14 to separate the seedlings while intermittently transferring the seedling tray 4 from the supply port 26 at the rear upper side to the lower front side. The empty tray 7 from which the seedlings have been separated can be alternately conveyed from the folded portion 27 at the lower end portion to the outlet 28 at the upper rear portion in a U-shape in a side view. Reference numeral 30 denotes a tray guide for transporting the seedling tray 4 and the empty tray 7. A drive shaft 29 is provided on the folded portion 27 side.
Is driven intermittently. The tray guide 30 is formed to have substantially the same width as one seedling tray 4 and is supported on a guide frame 31 provided along the upper front side of the handle frame 2. Is reciprocated laterally to the left and right. Reference numeral 32 denotes a lead cam shaft for reciprocally moving the tray guide 30 left and right. The intermittent drive by the drive shaft 29
The operation is performed at the position where the tray guide 30 reaches the left and right lateral ends, and the seedling tray 4 is extended vertically by one line.

The seedling tray 4 supplied to the seedling supply device 3
Is a method in which small seedling pots 38 are formed by arranging them vertically and horizontally, and each seedling pot portion is filled with a seedling bed material such as soil to sow seedlings. The seedling tray 4 is formed of a thin synthetic resin material, has flexibility, and is easily transported and guided along a U-shaped tray guide 30.

The seedling separating device 14 has a seedling separating needle 33 at the tip, and pierces and holds the potted seedling A from the seedling tray 4 to which the tray guide 30 is transported, and removes the seedling separating needle 33. The seedling A to be separated is transferred to the seedling hopper 34.
Let it fall. A planting beak 35 is located below the seedling hopper 34.
The seedling planting device 5 having the seedlings 5 is lifted up and down between the lower soil surface and the pot seedling A from the seedling hopper 34 at the top dead center.
In response, the seedlings can be planted while forming planting holes in the soil surface B by the downward movement. At the time of this planting, it opens back and forth and rises. Reference numeral 36 denotes a cultivation wheel, which suppresses the soil surface on which the seedlings are planted by the planting beak 35 from both left and right sides, thereby stabilizing the posture of the planted seedlings.

The auxiliary seedling mounting table 8 is provided horizontally along the upper side of the bonnet 37 that covers the engine 13, and can accommodate the seedling tray 4. The seedling tray 4 is taken out by the driver and supplied to the supply port 26 of the seedling supply device 3.
To be loaded. Here, based mainly on FIGS. 1 to 5, the invention according to claim 1 provides a seedling supply device 3 and a seedling supplied by the seedling supply device 3 in front of a handle frame 2 having a handle 1. In a seedling planting machine in which a seedling planting device 5 for planting seedlings separated from the tray 4 is arranged, a spare seedling mounting table 6 is arranged beside the handle frame 2. And

In this way, the seedlings are planted with the spare seedlings placed on the spare seedling table 6 on the side of the handle frame 2, and the seedlings of the seedling supply device 3 are planted by the seedling planting device 5 to decrease. Then, the driver can supply the seedling supply device 3 while taking out the seedling tray 4 on the spare seedling mounting table 6 to continue the seedling planting operation. For this reason, the driver can perform the supplementary seedling replenishment even from the posture or position where the steering wheel 1 of the handle frame 2 is steered, and can easily and quickly replenish the seedlings. In addition, since the spare seedling mounting table 6 is located on the side of the handle frame 2, it is difficult to obstruct the driver's operation and walking, and even if the seedling supply device 3 reciprocates laterally from side to side on the upper side. However, it is possible to adopt a form that does not hinder the lateral movement.

Here, the spare seedling mounting table 6 is arranged on the lateral side of the handle frame 2, and the auxiliary seedling mounting table 8 is arranged on the front of the seedling planting apparatus 5. Is loaded with a seedling tray 4 to be supplied. Of these, the spare seedling mounting table 6 is composed of an upper table 6A disposed on both left and right sides of the guide frame 31, and a lower table 6B disposed below the guide frame 31. Either one of these configurations 6A or 6B may be used. These mounting configurations are configured to be supported or suspended from a mounting bracket supported by the handle frame 2 or the guide frame 31. It is also possible to adopt a configuration in which the seedling tray 4 can be taken in and out from the rear end side as a front-down form in which the front side is lower. Further, the seedling tray 4 is in the form of a shelf that can be stacked in a plurality of stages.

The handle 1 at the rear end of the handle frame 2
Are arranged symmetrically with respect to the central portion of the vehicle body 10, that is, the position immediately behind the seedling planting device 5. It can be operated while walking in the location.

The seedling tray 4 is inserted into the supply port 26 of the tray guide 30 and supplied. Seedling tray 4 is tray guide 3
The seedling A is taken out from the seedling pot 38 for each plant by the separation needle 33 of the seedling separation device 14 at a fixed position.
And planted on the soil surface B by the planting beak 35. When the tray guide 30 reaches the left end or the right end, the drive shaft 29 is rotated intermittently, and the seedling tray 4 is extended vertically by one line of the seedling raising pot 38. Thus, the seedling tray 4 separates the potted seedlings A of each seedling raising pot 38. The empty tray 7 from which the seedlings A are separated is sent out through the folded portion 27 at the front lower end to the rear lower side, and the outlet
8.

The driver operates the seedling tray 4 with respect to the supply port 26.
And the seedling work can be continued. The seedling tray 4 can be replenished while being taken out from one of the upper and lower stands 6A or 6B of the spare seedling mounting table 6, and finally can be replenished from the front supply seedling mounting table 8.

Reference numeral 39 denotes a speed change lever which protrudes upward from the handle. The front portion of the main transmission lever 39 is rotatably supported by a support bracket 40 projecting downward from a part of the guide frame 31. This support bracket 4
At 0, the shift operation positions are displayed as a neutral position N, a work speed position L, a movement speed position H, a reverse position R, and the like, and a pointer 41 integrated with the main shift lever 39 can indicate these operation positions. The main transmission lever 39 is linked to the main transmission shifter of the transmission case 15 via a universal joint 42, an interlocking rod 43 and the like.

Reference numeral 44 denotes a planting depth adjusting lever which is provided below the main transmission lever 39 so as to protrude rearward from the tray guide 30 and has a front portion fixed to the guide frame 31 portion. Can be engaged. The engaging projection 4 is attached to the planting depth adjusting lever 44.
6 is provided so that the engaging projection 46 can be engaged with a rack 47 formed on the guide bracket 45. The front end of the planting depth adjusting lever 44 is connected to the ground sensor 2.
By connecting to the first interlocking mechanism 48 and raising and lowering the ground reference position of the ground sensor 21, the vehicle body 10 can be moved up and down to adjust the seedling depth by the planting beak 35.

Next, based mainly on FIGS. 6 to 8, the invention according to claim 2 is characterized in that the spare seedling mounting table 6 is provided so as to be foldable toward the handle frame 2 side. When the spare seedlings of the spare seedling mounting table 6 are replenished and become empty, the spare seedling mounting table 6 is folded toward the handle frame 2 side. The width of the part can be reduced to facilitate the driver's driving operation.

Further, the invention according to claim 3 is characterized in that the spare seedling mounting table 6 is provided so as to be foldable by accommodating the empty tray 7 after the seedling supply. Since the empty tray 7 after the supply of the seedlings can be stored in the spare seedling mounting table 6 folded on the side of the handle frame 2 as described above, the empty tray 7 can be transported by holding and holding the empty tray 7. It is hard to interfere with the planting work, and the handling process of the empty tray 7 can be easily performed.

Here, the spare seedling mounting table 6 is attached to the lateral end of the guide frame 31 by an attachment bracket 49. The lower end portion of the support frame 50 integrated with the mounting bracket 49 is rotatable around the folding shaft 51 in the front-rear direction, and can be set to the receiving position C for receiving the seedling tray A by opening outward. , It can be raised to the support frame 50 side to be in the folded storage posture D. When the storage position D is set, a plurality of empty trays 7 to be taken out from the delivery port 28 are stacked and supported, and the empty trays 7 are also stored in the storage position D by standing and rotating in this state. it can. Thus, the storage width of the spare seedling mounting table 8 with the empty tray 7 stored therein can be reduced.

Next, based mainly on FIG.
According to the invention described in the above, the seedling supply device 3 and the seedling planting device 5 for planting the seedlings separated from the seedling tray 4 supplied by the seedling supply device 3 are provided in front of the handle frame 2 having the handle 1. In the seedling plant to be arranged, the auxiliary seedling mounting table 8 located in front of the seedling planting device 3 is movably linked to the rear seedling supply device 3 side by the operating tool 9 of the handle frame 2. The configuration of the characteristic seedling replenishing device is adopted.

With this arrangement, the auxiliary seedling mounting table 8 located in front of the seedling supply device 3 located on the front side of the handle frame 2 is moved to the operating tool 9 of the handle frame 2.
, The driver can pull the front auxiliary seedling mounting table 8 backward while operating the steering wheel 1, and the seedling tray 4 on the auxiliary seedling mounting table 8 can be moved.
Can be easily supplied to the seedling supply device 3.

Here, the auxiliary seedling mounting table 8 is supported by a pair of front and rear rotation links 52, and is rotated rearward around a support shaft 53 in a lateral direction with respect to the seedling transmission case 24. When it moves, it is configured to fall backward. Thus, the driver behind the machine can easily take out the seedling tray 4 on the auxiliary seedling mounting table 8. The support shaft 5
An operating tool 9 in the form of an operating lever is provided from the third part to the rear, and the driver can turn the operating tool 9 back and forth, and can turn the rotating link 52 up and down. When the auxiliary seedling mounting table 8 is located on the bonnet 37 and the seedling tray A is mounted and is rotated rearward and upward, the auxiliary seedling mounting table 8 approaches the front of the tray guide 30. The driver can take out the seedling tray A on the auxiliary seedling mounting table 8 and load it into the supply port 26. The operation tool 9 may be configured as a switch operation tool instead of the operation lever. In this case, the auxiliary seedling mounting table 8 can be configured to move by a cylinder that is expanded and contracted by a geared motor, hydraulic pressure, or the like.

Next, mainly in FIGS.
The difference from the above example is that when the cover 54 for scooping the seedlings is provided at the separation needle 33 of the seedling separation device 14 and the separation bed 33 pierces and holds the seedbed of the pot seedling A, the seedling is broken. To prevent them from being damaged or damaged.

The seedling separation device 14 has a cam mechanism, a link arm, etc., and operates the separation needle 33 along the separation trajectory line S to hold the pot seedling A in each seedling pot 38 of the seedling tray 4. Then, the seedlings can be taken out from the seedling tray 4 and the holding is released on the seedling hopper 34 and dropped. The pair of left and right separation needles 33 are provided at the tip of the separation pipe 55 so as to be swingable left and right. A stopper 57 is provided at the tip of the separation rod 56 slidably fitted in the separation pipe 55, and the separation needle 3 is inserted into the needle hole of the stopper 57.
3 is inserted, and a cover 54 that covers the separation needle 33 is integrally provided.

In the interlocking operation of the seedling separation device 14, the relative movement of the separation pipe 55 and the separation rod 59 causes
As shown in FIG. 11, the separation needle 33 protrudes from the stopper 57, so that the interval becomes narrower so that the seedbed portion of the potted seedling A to be pierced is clamped. Is pressed by the stopper 57 and is released from being held by the separation needle 33. Such an operation is performed in the operation stroke portion of the separation trajectory line S in FIG.

The seedling separating needle 33 is placed in the seedling raising pot 3 of the seedling tray 4.
8, the separation needle 33 is kept retracted with respect to the stopper 57. For this reason,
Since the upper surface of the separation needle 33 is covered by the cover 54, the seedlings of the pot seedling A are scooped and approach the seedling raising pot 38. When approaching the seedling pot 38 parts, the separation needle 33
Are protruded and pierce the nursery and pinch it.

When the separation needle 33 clamps the seedling bed in this way, the separation step S2 separates the pot seedling A from the seedling pot 38 by separating from the seedling tray 4 integrally with the stopper 57. Also at this time, the cover 54 receives the seedlings and covers the separation needle 33. When the potted seedlings A held by the separation needles 33 are transferred onto the seedling hoppers 34, the potted seedlings A are retracted with respect to the stoppers 57 while being lifted together with the stoppers 57, as an opening step S3 for releasing the holding of the potted seedlings A. The pot seedling A is dropped and supplied into the seedling hopper 34.

Next, referring mainly to FIGS. 13 and 14, an invention according to a fifth aspect of the present invention is to provide a seedling supply device 3 having a handlebar 1 having a handlebar 1 and a rearwardly descending slope, and a seedling at a rear portion thereof. A seedling planting device 5 for planting;
An auxiliary seedling mounting table 8 is provided at a lower part on the front side of the seedling supply device 3 to constitute a seedling supply device of a seedling plant.

Thus, when the seedling supply device 3 is configured to be inclined backward and downward, the position of the center of gravity can be set to the front side to facilitate the maneuverability. The portion for receiving the replenishment of the seedling tray 4 has a form projecting upward and forward.
Is located on the front side of the seedling supply device 3, so that the forward projection can be shortened, the front view of the driver can be kept wide, and the maneuverability can be facilitated.

Here, the tray guide 30 of the seedling supply device 3 and the seedling separation device 14 are arranged so that the front-back direction is opposite to the above example, and the seedling separation device 14 is located on the handle 1 side and the tray guide 30 is positioned. Is located above the auxiliary seedling mounting table 8 on the front side. The supply port 26 at the front end of the tray guide 30 is arranged below the line of sight 59 for the driver 58 to directly look at the front end of the auxiliary seedling table 8.
The auxiliary seedling mounting table 8 has a configuration in which a plurality of seedling trays 4 are arranged side by side in a horizontal direction. The front end of the tray guide 30 is arranged as low as possible on the approximate center of the width of the auxiliary seedling mounting table 8.

[Brief description of the drawings]

FIG. 1 is a side view of a seedling planter.

FIG. 2 is a plan view of a part thereof.

FIG. 3 is a perspective view of a seedling tray.

FIG. 4 is a rear view of a main transmission lever.

FIG. 5 is a rear view of a planting depth adjusting lever portion.

FIG. 6 is a side view of a spare seedling mounting portion showing another embodiment.

FIG. 7 is a perspective view thereof.

FIG. 8 is a front view showing the operation.

FIG. 9 is a side view of an auxiliary seedling mounting portion showing a partially different embodiment.

FIG. 10 is an operational side view of a separation needle portion showing another embodiment.

FIG. 11 is a rear view showing the operation of the separation needle portion.

FIG. 12 is a perspective view thereof.

FIG. 13 is a side view of a seedling plant showing a partially different embodiment.

FIG. 14 is a plan view of a part thereof.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handle 2 Handle frame 3 Seedling supply device 4 Seedling tray 5 Seedling planting device 6 Spare seedling rest 7 Empty tray 8 Auxiliary seedling rest 9 Operating tool 10 Body

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Minoru Matsuoka 1-Family Yachikura, Tobe-cho, Iyo-gun, Ehime Pref.

Claims (5)

[Claims] 1. A handle frame 2 having a handle 1.
The seedling supply device 3 and the seedling planting device 5 for planting the seedlings separated from the seedling tray 4 supplied by the seedling supply device 3 are placed in front of the handle frame 2 on the front side of the handle frame 2. A seedling replenishing device characterized in that a spare seedling mounting table 6 is arranged on the side. 2. The spare seedling mounting table 6 is attached to a handle frame 2.
2. The seedling replenishing device for a seedling plant according to claim 1, wherein the device is foldable to the side. 3. The seedling replenishing device according to claim 2, wherein the spare seedling mounting table is provided so as to be able to accommodate and fold the empty tray 7 after the seedling is supplied. 4. A handle frame 2 having a handle 1.
A seedling supply device 3 and a seedling planting device 5 for planting the seedlings separated from the seedling tray 4 supplied by the seedling supply device 3 on the front side of the plant.
The auxiliary seedling mounting table 8 located in front of the
A seedling replenishing device characterized in that it is movably linked to a rear seedling supply device 3 side by a part of the operation tool 9. 5. A handle frame 2 having a handle 1.
Is provided with a seedling supply device 3 inclined backward and downward and a seedling planting device 5 for planting seedlings at the rear thereof, and an auxiliary seedling mounting table 8 is provided at a lower front side of the seedling supply device 3. Seedling supply equipment for seedling planting machines.