JPH08205685A - Heeling-in-device - Google Patents

Abstract

PURPOSE: To reduce the whole size of a heeling-in-device and prevent the interference of a seedling-pulling section and a seedling-planting section with cell molded seedlings by contriving a seedling-carrying mechanism for carrying the cell molded seedlings in the heeling-in-device from the seedling-pulling section to the seedling-planting section. CONSTITUTION: A seedling tray conveyer 10 for charging cell molded seedlings germinated in a seedling tray P and a heeling-in-tray conveyer 11 for discharging the cell molded seedlings after heeled in are arranged in parallel to each other, and a seedling-carrying conveyer for carrying the cell molded seedlings in a direction rectangular to the seedling tray conveyer 10 and the heeling-in-tray conveyer 11 is disposed. A seedling-pulling section E is provided between the seedling tray conveyer 10 and the seedling-carrying conveyer to pull out the seedlings on the carrying upstream side of the seedling tray conveyer 10. A planting section B is also provided between the seedling-carrying conveyer and the heeling-in-tray conveyer 11 to plant the seedlings on the carrying downstream side of the heeling-in-tray conveyer 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, like seedlings of flowers and vegetables, is sown in a cell-forming seedling tray, and after germination is temporarily planted in a temporary planting pot having a size of about 4 to 6 leaves and arranged in parallel in a temporary planting tray. The present invention relates to a cell forming seedling extraction and planting configuration for a temporary planting device.

[0002]

2. Description of the Related Art Conventionally, a technique relating to a seedling extracting mechanism of a temporary planting device has been publicly known. For example, as shown in FIG. 8, an elliptical conveyor 63 is placed on a horizontal plane above the carrier 61.
Seedling tray conveyor 50 that is arranged so that it can be circulated and moves seedling tray 51 to one side of the lower part of said carrier table 61.
The cell-forming seedlings for one row are extracted from the seedling tray 51 by the seedling extracting mechanism 52 arranged on the carrier 61, and the temporary set cup 53 is sent below the seedling extracting mechanism 52. To insert. Further, on the other side of the lower part of the carrier 61, a temporary plant tray conveyor 54 for transporting the temporary plant tray 60 having the temporary plant pot 55 is arranged. Normal seedlings that have been sorted by the sorting mechanism 62 are the temporary planting trays 6
Temporarily planted in the temporary plant tray 60 above 0 by the planting mechanism.

[0003]

However, the conventional temporary implanter described above has the following problems.
That is, the elliptical conveyor 63 that circulates and conveys the temporary cup row 59 is arranged on the horizontal surface of the conveyance table 61, and the seedling tray conveyor 50 and the temporary planting tray conveyor 54 are arranged in parallel to the linear portion of the elliptical conveyor 63. Since the seedling extraction mechanism 52 and the planting mechanism are arranged respectively, a large area is required, and the carrier 61 becomes considerably large.
Inevitably, the size of the entire temporary implanter was increased, the time required for transportation was lengthened, and work efficiency was poor. Therefore, the present invention greatly affects the overall shape of the temporary planting device,
The seedling transport mechanism for transporting cell-molded seedlings from the seedling extraction section to the planting section will be miniaturized and the transport distance will be shortened.

[0004]

The problems to be solved by the present invention are as described above. Next, the means for solving the above problems will be described. That is, a seedling tray conveyor 10 for supplying cell-formed seedlings germinated in the seedling tray P and a temporary planting tray conveyor 11 for discharging after temporary planting are arranged in parallel, and are perpendicular to the seedling tray conveyor 10 and the temporary planting tray conveyor 11. A seedling transporting conveyor C that transports the seedlings in the direction is arranged, and the seedling extracting section E is provided between the seedling tray conveyor 10 and the seedling transporting conveyor C.
Is provided, and the seedlings are extracted from the seedling transport conveyor C on the side of the seedling tray conveyor 10 which is good in transporting, and the planting section B is provided between the seedling transport conveyor C and the temporary planting tray conveyor 11 to provide the seedling transport conveyor. With respect to C, planting is performed on the lower transfer side of the temporary planting tray conveyor 11.

[0005]

Next, the operation will be described. The cell-forming seedlings are conveyed to the seedling conveying conveyor C by the seedling tray conveyor 10, and one row of the cell-forming seedlings of the seedling tray P is taken out by the seedling extracting section E from the position on the upstream side in the conveying direction, and the seedling conveying conveyor C is shown. It is inserted in the cup 9 of. Then, the seedlings are conveyed from the seedlings conveying conveyor C to the temporary planting tray conveyor 11 at right angles to the temporary planting tray conveyor 11 at a position on the lower side in the conveying direction of the temporary planting tray conveyor 11 by the planting section B from the seedlings conveying conveyor C to the temporary planting tray conveyor 11. Planted in S.

[0006]

EXAMPLES Next, examples will be described. FIG. 1 is an overall side view of the temporary planting apparatus of the present invention, FIG. 2 is an overall plan view of the temporary planting apparatus, FIG. 3 is an overall front view of the temporary planting apparatus, and FIG. 4 is a seedling extracting section E in the temporary planting apparatus of the present invention. Front view Partial sectional view, FIG.
Is a side sectional view, FIG. 6 is a side view of the planting part B, and FIG. 7 is a plan view showing another embodiment of the temporary planting apparatus.

In the seedling tray P for raising cell-formed seedlings, holes having a size corresponding to the kind of seeds to be sown are formed in a matrix of several rows and columns, and all these holes are filled with a predetermined soil. When seeded and germinated to give 2 to 4 leaves, cell-formed seedlings are completed. The cell-molded seedlings are too small and may die if they are cultivated in an alley or a house as they are. Therefore, in order to make the seedlings available for sale, it is necessary to temporarily replant them in a temporary planting pot T slightly larger than this.

The overall structure of the automatic provisional transplanting apparatus will be described with reference to FIGS. A frame base H on which caster wheels are arranged is provided in the lower part. On the frame base H, a seedling tray conveyor 10 and a temporary planting tray conveyor 11 are arranged in parallel to each other in the front-rear direction.
The seedling tray conveyor 10 and the temporary planting tray conveyor 11 are
It is configured to intermittently move in the opposite direction. That is, the seedling tray conveyor 10 intermittently moves forward (or rearward) at intervals of the hole pitch of the seedling tray P, and the temporary planting tray conveyor 11
Moves intermittently rearward (or forward) at intervals of the pitch of the temporary planting pots T fitted in the temporary planting tray S. However, as will be described later, it may be configured to convey in the same direction.

A seedling transporting conveyor C is arranged at a substantially central portion between the temporary planting tray conveyor 11 and the seedling tray conveyor 10 so as to extend across the both conveyors at a right angle. The seedling transfer conveyor C is composed of a chain conveyor that is arranged in the vertical direction and rotates in the left-right direction. The chain (or belt) of the chain conveyor
3, the drive sprocket 35 and the driven sprockets 36, 36, and 36 are arranged at the top and bottom of the seedling tray conveyor 10 and the temporary planting tray conveyor 11 at the apex of the rectangular shape in front view, as shown in FIG. Is wound. The inside of the wound chain 20 is arranged in parallel so that the seedling tray conveyor 10 and the temporary planting tray conveyor 11 penetrate, and the difference between the height of the upper part of the chain 20 and the height of the upper surfaces of the seedling tray conveyor 10 and the temporary planting tray conveyor 11 is set. It is arranged so as to be small so as to suppress the height and have a low center of gravity.

The drive sprocket 35 is a frame base H.
Power is transmitted from a motor M provided in the vehicle through an electromagnetic clutch, a speed reducer, an indexing unit, a sprocket, and a chain, and is intermittently driven. Also, on the outer periphery of the chain 20,
The seedling transfer cups 9, 9 ... Are fixed at equal intervals. The seedling transfer cup 9 has a wedge-shaped insertion hole into which a cell-shaped seedling is inserted, and a planting portion B described later is provided around the insertion hole.
The four gripping rods of the chuck are provided with four vertical grooves that can be entered from the outside for gripping.

A seedling removing section E which moves forward and backward is provided between the seedling transporting conveyor C and the seedling tray P, and a planting section is provided between the seedling transporting conveyor C and the temporary planting tray S. The attachment B is configured to move back and forth. Seedling slide rails 15 and planting slide rails 25 are arranged in the front-rear direction and arcuately in a side view on both sides of the upper parts of the columns H1 and H2 on the frame base H, and guide rails 23 are respectively arranged in the front-rear direction in the lower parts thereof. 24 are arranged in the front-rear direction, and vertical guide rails are arranged on the inner surface of the seedling picking support 22 and the planting support 21.

A slide cylinder 16 is connected to the upper part of the seedling picking support 22, and the slide cylinder 16 is a pillar H.
When the slide cylinder 16 is pivotally supported by 2 and the slide cylinder 16 is expanded and contracted, the seedling picking support 22 moves along the seedling picking slide rail 15 and the guide rail 23, and the seedling picking section E moves up and down and back and forth. At the same time, reciprocation between the upper part of the seedling transport conveyor C and the upper part of the seedling tray P is allowed. Similarly, the planted support 21 is also connected to the slide cylinder 17, and the slide cylinder 1
7 is pivotally supported by a pillar H2, and the slide cylinder 17 is expanded and contracted to obtain a seedling picking slide rail 25,
The planted support 21 moves along the guide rails 24,
The planting section B is vertically moved and moved back and forth at the same time so that the planting section B can reciprocate between the seedling transport conveyor C and the temporary planting tray S. In this way, one cylinder simultaneously moves in the front-back direction and the up-down direction, and the moving speed is shortened with a simple structure.

Next, the structure of the seedling extracting section E will be described with reference to FIGS. The seedling extraction section E is composed of two extraction claws 5 and 5 which are inserted obliquely from above into the recess of the seedling tray P into which the cell-formed seedlings are inserted, and a predetermined angle with respect to the vertical line. It is composed of an open / close cam rod 4 that opens and closes the space. The open / close cam rod 4 is also inclined at the same angle, and the open / close cam rod 4 and the extraction claws 5 are arranged in parallel. Further, there may be a case where a posture fixing claw that synergistically works with the sampling claws 5 to ensure the sampling of the cell-forming seedlings. The support frame 73 is provided with a claw projecting cylinder 30 that moves the extraction claws 5 and 5 up and down, and a claw opening and closing cylinder 31 that moves the opening and closing cam rod 4 up and down. It is carried out.

A slide guide 74 is provided on the upper part of the extraction claws 5, 5.
Is held slidably in the vertical direction by means of the above, and is slid by the claw protruding cylinder 30 smoothly. The upper portion of the opening / closing cam rod 4 is also guided by the slide guide 74, and the upper portion of the opening / closing cam rod 4 is connected to the pawl opening / closing cylinder 31.
A cam follower 44.4 is attached to the lower end of the opening / closing cam rod 4.
4 is abutted from the left and right, and when the opening / closing cam rod 4 is projected by the pawl opening / closing cylinder 31, the cam follower 4
4 and 44 are opened to open the extraction claws 5 and 5 so that the extraction claws 5 and 5 are closed when the opening / closing cam rod 4 is contracted at the position of the cell molding seedling.

On the upper part of the slide guide 74, there is provided a cylinder 27 with an elevating guide for moving up and down the whole seedling extracting section E through a gap adjusting mechanism, and is supported by the seedling collecting support 22. In the interval adjusting mechanism, a mounting frame 70 is supported by the elevating cylinder 27, and a supporting frame 73 is suspended from the mounting frame 70 via a guide rail 72 extending along the row direction of the seedling transfer cups 9. In the support frame 73,
In order to correspond to several (14 in this embodiment) seedling trays P, half (seven sets) of the seedling extracting portions E1, E2 ... E are used.
7 are supported in a row so as to be movable in the row direction of the seedling transfer cups 9, and the respective seedling extractors E1, E2 ... E7 are connected by a pantograph mechanism 75.

The seedling removing section E7 on one end side is connected to a movable portion of a first interval adjusting cylinder 77 installed on the support frame 73, and the seedling extracting section E7 is moved in the row direction by the operation of the first interval adjusting cylinder 77. By the movement, the pantograph mechanism 75 is configured to be able to change the interval while keeping the interval between the adjacent extractors even. Support frame 7
3 is connected to the movable part of the second interval adjusting cylinder 68 installed on the mounting frame 70, and the support frame 73 is operated by the operation of the second interval adjusting cylinder 68, that is, all the seedling extracting parts E1, E2 ... -E7 is configured to be movable in the row direction by one interval of the cell-molded seedlings arranged in the row direction of the seedling tray P.

When the temporary planting device is activated, the seedling removing section E is retracted toward the seedling tray P, and the first interval adjusting cylinder 77 is used to remove the 14 cell-formed seedlings in the leading row of the seedling tray P. Seedling extraction parts E1, E2 ...
-After adjusting the interval of E7, the seedling extraction parts E1, E2 ... E7 are vertically lowered toward the cell-formed seedling to a predetermined position. From here, the extraction claws 5, 5 with the tip open
At the same time, each of them is pierced downward from diagonally above toward the soil mass of the cell-formed seedling, and the tip is closed to extract the cell-formed seedling. Then, the cell-forming seedlings are extracted from the seedling tray P by raising the seedling extracting section E.

The seedling removing section E is elevated and advanced above the seedling conveying conveyor C, and the intervals between the seedling extracting sections E1, E2, ... After adjusting with 77, the cell-formed seedlings captured by each of the 7 sets of extraction claws 5 are placed in the corresponding seedling transfer cups 9 until the seedling removal portions E1, E2 ...
7 is lowered, and the extraction claws 5, 5 are pulled out obliquely upward from the cell-forming seedling, whereby the transfer of the first to seventh seedling transfer cups 9 is completed.
When pulling out the extraction claws 5, 5 from the cell-molded seedling, the pressing member 34 shown in FIG. 1 projects to the seedling transfer cup 9 to prevent the cell-molded seedlings from rising together with the extraction claws 5, 5. There is.

Here, the transfer of the seedling transfer cups 9 by the seedling transfer conveyor C is started, and the seedling extraction section E is set to the seedling transfer section E before the transfer of seven seedling transfer cups 9 as a whole. It retreats again toward the tray P, and the first interval adjustment cylinder 77
After adjusting the intervals of the seedling extractors E1, E2 ... E7 to match the intervals of the cell-formed seedlings remaining in the top row of the seedling tray P by the second spacing adjustment cylinder 68, the same as described above. As a result of the operation, the cell-formed seedlings were captured on each of the seven sets of extraction claws 5 and 5, and the seedling extraction section E was advanced to above the seedling transfer conveyor C, and the seedling extraction sections E were arranged at intervals between the seedling transfer cups 9.
The intervals of 1, E2 ... E7 are adjusted.

Then, when the empty seedling transfer cup 9 is conveyed to the seedling extracting section E7 on the lower side of conveyance and once stopped,
The seedling extracting portions E1, E2, ... E7 descend and the cell-formed seedlings captured by each of the seven sets of extracting nails 5, 5 are positioned in each corresponding seedling transfer cup 9, and the extracting nails 5 are removed. , 5 are pulled out from the cell-molded seedlings, the transfer process for the eighth to 14th seedling transfer cups 9 is completed.

Further, as shown in FIG. 6, the planting support 21 supports the planting part B, and the planting support 21 extends along the planting slide rails 25 and the guide rails 24 of the slide cylinder 17. By expanding and contracting it can move back and forth and up and down at the same time, reducing the number of actuators and simplifying the configuration. The planting part B is provided with the planting chucks 6, 6 ... (five in this embodiment) according to the number of rows of the planting pots T of the temporary planting tray S, and the same number of punching rods 8 to be described later are provided. Is located in.

Then, as shown in FIG. 10, the support frame 2 fixed to the pillar H1 is located in front of the planting portion B in the carrying direction.
6, the cylinders 47 with guides are vertically arranged on the support frame 26, and the punching rods 8 are arranged at the lower end of the cylinders 47 in the same number as one row of the temporary plant pots T of the temporary plant tray S. Prior to planting by the planting section B, the planting pot T is moved up and down by the expansion and contraction of the cylinder 47 in accordance with the conveyance of the conveyor 11 to move the boring rod 8 up and down.
A hole having the size of the soil for the cell-molded seedling is drilled inside. Further, as shown in FIG. 9, a slide frame 37 is fixed to the lower end of the planting support 21, and a pantograph mechanism 32 similar to the seedling extracting section E is provided on the slide frame 37. The pantograph mechanism 32 includes a slide frame 37 and a slide guide 38.3.
8 is laid horizontally, and the temporary setting arms 67, 67 ... Are slidably fitted onto the slide guides 38, 38, and the adjacent temporary setting arms 67, 67.
And the piston rod 28a of the pitch changing cylinder 28 protruding outside the slide frame 37 on one side is fixed to the temporary setting arm 67 on one side. A slide cylinder is hung vertically on each of the temporary setting arms 67, 67 ... And a pivot body 78 is provided at the lower end of the slide cylinder.
The planting chucks 6, 6, ... Are provided below the pivot body 78. However, the slide cylinder can be expanded and contracted independently. 37a is a maximum pitch stopper.

With such a structure, the pitch changing cylinder 2
By expanding and contracting 8, the planting chuck 6.6 ...
The space between can be adjusted to the space between the seedling transfer cups 9 and the space between the planting pots T. Then, when the slide cylinder expands and contracts, the chuck 6 is opened and closed so that the periphery of the soil mass of the cell-forming seedling can be grasped or released. Therefore, the planting part is located right above the seedling transfer cup 9, the chuck 6 is opened and lowered, the cell-formed seedling is captured, and then the slide cylinder is contracted to transfer the cell-formed seedling. The cell 6 is taken out from the cup 9, the chuck 6 is moved onto the planting pot T and lowered, and the cell-forming seedlings are planted in the planting pot T. In addition, each of the chucks 6 is configured so as to be able to independently capture the cell-formed seedlings in the corresponding seedling transfer cups 9. Since all cell-formed seedlings including those of dwarf seedlings are transferred to the seedling transfer cup 9, the cell-formed seedlings of missing or dwarf seedlings are transferred to the planting section B in the seedling transfer cups 9. This is because the abnormal cell-forming seedlings may not be captured.

Whether or not the leaf portion of the cell-molded seedling placed on the seedling transfer cup 9 is normally grown is determined by the seedling transfer conveyor C.
It is detected by a seedling growth detector (not shown) attached to the. Only when the leaves of the cell-formed seedling are normally growing, the planting chucks 6, 6 ... Only the molded seedlings are taken out from the seedling transfer cup 9, and the abnormal cell-formed seedlings are not captured. The next cell-formed seedlings conveyed next are sequentially expanded and contracted to be captured by all the plant B, and planted. It is planted in pot T. The abnormal cell-formed seedling is dropped into a collection container 49 provided at the right end of the seedling transport conveyor C. At this time, the seedling transfer cup 9 may be configured to be washed.

As described above, the seedling tray conveyer 10 is located on the upstream side in the conveying direction with respect to the seedling conveying conveyor C.
The cell-formed seedlings are taken out from the seedling tray P and placed in the cup 9 of the seedling conveying conveyor C. Then, the cell-formed seedlings are laterally conveyed to the temporary planting tray T by the planting section B on the lower side of the temporary planting tray conveyor 11 from the cup 9 of the seedling transporting conveyor C. The transport directions of the seedling tray conveyor 10 and the temporary transplant tray conveyor 11 are opposite to each other as shown in FIG. 2, but the transport directions may be the same as shown in FIG.

That is, the seedling tray conveyor 10 and the seedling extracting section E
Is configured in the same manner as described above, the temporary planting tray conveyor 11 is driven and driven in the opposite direction, that is, in the same direction as the seedling tray conveyor 10, and the planting section B is on the front side of the seedling transporting conveyor C, that is, the lower side in the transporting direction. The slide cylinder 17 is arranged on the side, and the drive planting portion B is moved back and forth and up and down at the same time, so that the planting is performed at the time of driving forward and downward.

[0027]

Since the present invention is constructed as described above, it has the following effects. That is, the distance between the seedling tray conveyer 10 and the seedling conveying conveyer C and the distance between the seedling conveying conveyer C and the temporary planting tray conveyer 11 are shortened, and the stroke for conveying the cell-formed seedlings can be shortened. The small cylinder can be used, and the overall compact construction is possible. Moreover, since the interval between the seedling tray conveyor 10 and the temporary planting tray conveyor 11 can be shortened, the width direction can be shortened and the structure can be made compact. In this way, the transfer process can be shortened, the transfer time can be shortened, and temporary planting can be performed at high speed, thus improving work efficiency. Moreover, since the conveyor of the seedling transfer conveyor C can be arranged low, the center of gravity becomes low, the apparatus becomes stable, the base of this machine can be made small, and the transfer etc. becomes easy.

In the seedling extracting section E, when the cell-molded seedlings are extracted from the seedling tray, the seedling tray conveyor 10 is moved from the upper side to the lower side in the conveying direction, and in the planting section B, the temporary planting is performed. When the planting section B is planted in the temporary planting tray on the tray conveyor 11 and then returned, the planting section B is pulled out to the upper side in the transport direction of the temporary planting tray conveyor 11, so that the extraction claw and the planting chuck before and after the planting are respectively performed. The seedlings can be conveyed accurately without interfering with the seedlings.

[Brief description of drawings]

FIG. 1 is an overall side view of a temporary planting device of the present invention.

FIG. 2 is an overall plan view of the temporary planting device.

FIG. 3 is an overall front view of the temporary planting device.

FIG. 4 is a front view partial cross-sectional view of a seedling extracting section E in the temporary planting device of the present invention.

FIG. 5 is a side sectional view of the same.

6 is a side view of the planting section B. FIG.

FIG. 7 is a plan view showing another embodiment of the temporary planting device.

FIG. 8 is a drawing showing a seedling extraction mechanism of a conventional temporary planting device.

9 is a rear view of the planting section B. FIG.

FIG. 10 is a front view of a punched portion.

[Explanation of symbols]

 B Planting Section C Seedling Transport Conveyor E Seedling Extraction Section H Frame Stand P Seedling Tray Temporary Planting Pot 10 Seedling Tray Conveyor 11 Temporary Planting Tray Conveyor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyoshi Uchida 1-32, Chaya-cho, Kita-ku, Osaka City, Osaka Prefecture Yanmar Agricultural Machinery Co., Ltd. (72) Seto Takeno 1-32, Chaya-cho, Kita-ku, Osaka-shi, Osaka No. Yanmar Agricultural Machinery Co., Ltd. (72) Inventor Hisaya Yamada 1-32 Chayamachi, Kita-ku, Osaka City, Osaka Prefecture Yanmar Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A seedling tray conveyor 10 for supplying cell-molded seedlings germinated in a seedling tray P and a temporary planting tray conveyor 11 for discharging after temporary planting are arranged in parallel, and the seedling tray conveyor 10 and the temporary planting tray conveyor 11 are arranged in the seedling tray conveyor 10. A seedling transfer conveyor C that conveys the seedlings at a right angle to the seedling transfer conveyor C is provided, and a seedling extraction section E is provided between the seedling tray conveyor 10 and the seedling transfer conveyor C so that the seedlings can be extracted on the upper transfer side of the seedling tray conveyor 10. The provisional planting device is characterized in that a planting section B is provided between the seedling transport conveyor C and the temporary plant tray conveyor 11 to perform planting on the lower transport side of the temporary plant tray conveyor 11.