JPH09313045A - Seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the efficient heeling-in by reducing the frequency of conveyance from a seedling carrying conveyor to a heeling-in tray. SOLUTION: This seedling transplanter is composed so as to take out cell formed seedlings raised in a seedling tray P from pots of the seedling tray P, transfer the seedlings onto pots in a heeling-in tray S and transplant the seedling therein. In this case, transplanting chuck devices 3 are arranged in the form of a matrix of plural rows and plural columns so as to transplant the seedlings at a time. The transplanting chuck devices 30 are designed to lift and lower one row of the cell formed seedlings from cups 9 on a seedling carrying conveyor C at a time, chuck the cell formed seedlings, move onto the heeling-in tray S after chucking the cell formed seedlings with all the transplanting chuck devices 30 and transplant the cell formed seedlings thereinto.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for sowing seeds such as flowers and vegetables in a cell-forming seedling tray and transferring the germinated cell-forming seedling to another tray or vinyl pot having a larger pot. Regarding the configuration of.

[0002]

2. Description of the Related Art Conventionally, seeds such as flowers and vegetables are sown in each recess of a seedling tray in which recesses (pots) are formed in a grid pattern, and seedlings are cultivated to have a size of about 2 to 6 leaves after germination. Then, temporary planting was carried out in a temporary planting tray or a temporary planting pot (vinyl pot) having a recess slightly larger than the recessed part of the seedling tray, and further seedlings could be machine-planted or shipped in the temporary planting pot. The temporary planting device is, for example, JP-A-7-75450.
In the same way as the No. 1 technology, the cell-formed seedlings raised in the seedling trays are sequentially conveyed, and the seedling trays are projected from above each seedling tray by a CCD camera or the like, and the whole or half or one row of the seedling trays are subjected to image processing, Detecting missing seedlings and atrophic seedlings, take out only the proper cell-formed seedlings by the loading robot, temporarily plant one by one in a temporary planting pot, and store the temporary planting pots in a basket placed in a grid pattern. I was making up.

[0003]

In the conventional technique of the temporary planting apparatus, the cell-molded seedlings are taken out one by one from the seedling tray and temporarily planted in the temporary planting pot, so that the seedling tray and the temporary planting pot are moved. The number of operations has been increased, the time required for transportation has been increased, and the work efficiency has deteriorated. And, although it is easy to relatively shorten the other transport time, it is difficult to shorten the time for chucking and transporting the seedlings, and the ratio required for transport tends to increase. Therefore, the present invention intends to increase the efficiency by making it possible to convey many cell-forming seedlings at one time.

[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, the cell-formed seedlings raised in the seedling tray are pulled out from one pot, transferred to the seedling transfer conveyor and conveyed to the other pot, and in the seedling planting device in the temporary planting device for planting, the planting chuck device is used. Multiple rows and multiple rows are arranged side by side in a matrix form so that they can be planted at one time. Also, the planting chuck device is moved up and down one row from the cup on the seedling transfer conveyor to chuck the cell-formed seedlings and all planting is performed. The cell-forming seedlings are chucked by a chucking device and then moved to a position above the temporary planting tray to be planted.

[0005]

EXAMPLES Next, examples will be described. FIG. 1 is an overall front view of a temporary planting apparatus equipped with a seedling planting chuck of the present invention, FIG. 2 is a right side view of the temporary planting apparatus, FIG. 3 is a left side view of the temporary planting apparatus, and FIG. 4 is a plan view of the temporary planting apparatus. It is a figure.

The overall structure of the temporary planting device equipped with the seedling extraction chuck of the present invention will be described. The caster wheels 4 and 4 for movement are arranged below the frame stand H, and a pair of left and right conveyors are arranged in parallel in the front-rear direction on the frame stand H. One of the conveyors serves as a supply conveyor 10 that conveys a seedling tray P containing only normal cell-formed seedlings after removing seedlings of dry seedlings and missing strains, and the other conveyor contains the cell-formed seedlings of the seedling tray P. The temporary planting tray S having a pot slightly larger than the pot or the temporary planting tray S on which the temporary planting vinyl pot is placed is provided as the temporary planting conveyor 11.

The seedling tray P stores cell-formed seedlings after raising seeds, and the seedling trays P are sequentially placed on the rear part of the supply conveyor 10 in synchronization with the driving of the seedling extracting section B described later. Be transported forward. The supply conveyor 10 and the temporary planting conveyor 11 are composed of flat belts and are driven by a motor (not shown). The temporary planting conveyor 11 carries the temporary planting tray S, and is conveyed backward from the front part in synchronization with the driving of the seedling transfer conveyor C.

A controller is housed in the rear side of the supply conveyor 10 and a control panel 1 having an operation panel is arranged. The size of the seedling tray P, the size of the cell-molded seedling, the processing speed, etc. can be set. The cell molding seedlings are controlled to be transferred. The supply conveyor 10 and the temporary planting conveyor 11 are provided substantially in the front and rear center of the frame base H.
A seedling transfer conveyor C is disposed across both conveyors in the right-angled (left-right) direction.

The seedling transfer conveyor C has the frame base H
A support frame 36 is laid across the upper part of the sprocket to rotatably support the driven sprockets 34, 34 on one side (left side) and the drive sprocket 35 and the driven sprocket 3 on the other side (right side).
4, the drive sprocket 35 is rotationally driven by a motor (not shown) to drive the driven sprocket 34.
A chain (or belt) 20 is wound between 34 and 34 and the drive sprocket 35, and cups 9 and 9 are fixed on the outer periphery of the chain 20 at regular intervals. The seedling transfer conveyor C is arranged vertically above the both conveyors of the supply conveyor 10 and the temporary planting conveyor 11 so as to rotate in the left-right direction.

The seedling transfer conveyor C and the supply conveyor 10
A seedling extraction section B is provided above the intersection of the seedlings, and the seedling extraction section B moves between the seedling tray P conveyed by the supply conveyor 10 and the cup 9 on the seedling transfer conveyor C at the same time in the front, rear, up, down, and up directions. Then, the cell-formed seedlings on the seedling tray P are extracted and transferred to the cup 9. Further, a seedling planting section E is provided above the intersection of the seedling transfer conveyor C and the temporary planting conveyor 11, and the seedling planting section E is provided between the cup 9 and the temporary planting tray S transported by the temporary planting conveyor 11. Move forward, backward, upward and downward at the same time to grasp the cell-formed seedlings in the cup 9 and transfer them to the pot of the temporary transplant tray S.

The seedling extraction section B is arranged so as to convey the cell-formed seedling G from the front side of the supply conveyor 10 behind the seedling transfer conveyor C to the cup 9, and the seedling planting section E is arranged in the seedling transfer conveyor. The cell-formed seedlings are arranged so as to be conveyed to the post-process side from the cup 9 of C to the temporary planting tray S on the temporary planting conveyor 11 on the rear side. The height of the upper part of the chain 20 is made as close as possible to the upper surfaces of the supply conveyor 10 and the temporary planting conveyor 11 so that the molded seedlings are not hit, and the height is suppressed to a low center of gravity.

Columns 2, 2, ... Are erected in front of and behind the supply conveyor 10 and the temporary planting conveyor 11 on the frame base H, and the horizontal frame 3 is provided between the upper ends of the columns 2 ,.・ 3
Is horizontally installed, the seedling extracting section B is arranged on the right side surface of the horizontal frame 3, and the seedling planting section E is arranged on the left side surface of the horizontal frame 3. As shown in FIG. 2, the seedling extracting section B has a structure as shown in FIG.
A roller guide configured in an arc shape in a side view and a guide rail arranged in the front-rear direction are arranged on the side surface of a horizontal frame 3 provided in the front-rear direction between the pillars 2 and the upper part thereof, and the roller guide supports the seedling-picking support. 21 is fitted with a roller, a slider is fitted between the guide rail and the seedling picking support 21, and a moving cylinder 16 is interposed between the seedling picking support 21 and the lateral frame 3. ing.

Then, a pitch changing mechanism, a seed picking chuck device, etc. are mounted on the seedling picking support 21 via an elevating cylinder 17. In this embodiment, eight chuck devices are arranged in the lateral direction, which is the same number as the number of pots in one row of the seedling tray P, and the pitch changing mechanism is used to match the pitch of the pots of the seedling tray P and the pitch of the cups 9 of the seedling transfer conveyor C. It is configured to be. Each chuck device has a chuck claw 5 so that it can be opened and closed by a cylinder.

In such a structure, by expanding and contracting the moving cylinder 16, the seedling picking support 21 moves diagonally up and down along the roller guide and the guide rail, and the seedling picking section B moves up and down. And the forward and backward movements are performed simultaneously, above the seedling transfer conveyor C and the seedling tray P.
It can be reciprocated between above. That is, when the moving cylinder 16 is contracted and stopped at a position above the seedling tray P, the lifting cylinder 17 is extended to insert the chuck claws 5 into the seedling tray P to sandwich the cell-formed seedling and lift cylinder. When 17 is contracted and lifted, and then the moving cylinder 16 is extended and positioned above the seedling transfer conveyor C, the elevating cylinder 17 is extended to lower the chuck claws 5, and the cup 9 is placed in the cell. The molded seedling is inserted, the chuck claws 5 are opened, and the cell molded seedling is transferred to the seedling transfer conveyor C. By repeating this operation, the cell-formed seedlings are transferred from the seedling tray P to the seedling transfer conveyor C. In addition, the contracted position and the extended position of the moving cylinder 16 and the elevating cylinder 17 are detected by a sensor, and the time of seedling extraction and the time of transfer are detected.

Next, the structure of the seedling planting section E of the present invention will be described. As shown in FIGS. 3 and 4, on the side surface of the horizontal frame 3,
The guide plate 23 is fixedly installed, and the guide plate 23
The roller guide 24 has an "L" shape in a side view.
The guide rail 25 is arranged in the front-rear direction on the side surface of the horizontal frame 3, and the roller 15 attached to the planting support 22 is fitted to the roller guide 24, and the guide rail 25 and the planting support 22 are attached. Fit the slider between
The feed shaft 26 is horizontally mounted on the horizontal frame 3, and the base end side of the feed shaft 26 is connected to the drive shaft of the motor 27, and the nut portion provided on the lower portion of the planting support 22 is mounted on the feed shaft 26. It is screwed.

A guide plate 29 is arranged at the rear end of the roller guide 24, and a fitting recess 29a is notched in the guide plate 29 in accordance with the roller guide 24 so that the roller 15 can be fitted therein. The guide plate 29 is fixed to a cylinder 28, and the cylinder 28 is erected on the horizontal frame 3 so that the guide plate 29 can slide up and down. In this way,
When the motor 27 is driven to rotate the feed shaft 26, the planted support 22 moves the roller guide 24 and the guide rail 25.
When the planted support 22 is moved to the rear end by being guided by the roller 15, the roller 15 fits into the fitting recess 29a. When the cylinder 28 is contracted in this state, the planted support 22 descends along the vertical portion of the roller guide 24.

Further, the temporary planting tray S is attached to the planting support 22.
According to the number of pots, a plurality of rows and a plurality of rows of planting chuck devices 30, 30 ... Are arranged. In the first embodiment, a total of 24 rows of 6 rows and 4 rows are arranged in a matrix. In the planting chuck device 30, a supporting shaft 30a is slidably supported in a vertical direction on a lateral frame 22a protruding forward from the planting support 22 through a pitch changing mechanism (not shown), and the supporting shaft 30a is a spring. 30b is fitted onto the support shaft 30 and is biased upward.
A chuck claw 6 is attached to the lower end of a through an opening / closing cylinder 32. At the front end of the guide plate 23, the same number of catch cylinders 31, 31 ... Are arranged according to the number of planting chuck devices 30, 30, ... The placing conveyor C is arranged so that one row of the planting chuck device 30 is located between the catch cylinders 31, 31 ... And the seedling transferring conveyer C.

A drilling device J is arranged at the rear part of the seedling planting portion E. The drilling device J includes a cylinder 42 and a conical drilling body 43 provided at the tip of the piston rod of the cylinder 42. Therefore, the cylinder 42 has the number of pots of the temporary planting tray S (chucking device 30, 30 ...
The number of cylinders 42 is arranged in parallel on the left and right in accordance with the number of rows of the cylinders, and the cylinders 42 are arranged for each row in conjunction with the planting section E.
By expanding and contracting, the holes for planting cell-shaped seedlings are made on the pot.

With such a construction, when the cell-formed seedlings stored in the cup of the seedling transfer conveyor C and conveyed are temporarily planted in the temporary planting tray, the first row planting chuck devices 30, 30 ... Catch cylinder 31 ・ 31 ・
.. and the seedling transfer conveyor C are positioned, and the catch cylinders 31, 31 ... Are operated to extend, and the opening / closing cylinder 32 of the planting chuck device 30, 30. With the open, descend to the cup 9
At the position of 9 ..., the opening / closing cylinder 32 is closed, the cell-forming seedlings in the cups 9 ... Then, the motor 27 is driven to move backward by one row, and at the same time, the seedling transfer conveyor C is driven to rotate by the number of rows (4 rows) and the next cell-formed seedlings are planted chuck devices 30, 30 ... Move it down.

Then, as in the above, the catch cylinder 3
1.31 ... is extended to grab the cell-forming seedlings, and then raised again. By repeating this operation and grasping the cell-forming seedlings on all of the planting chuck devices 30 ...
Drive 7 to move backward. In the process of this movement, the pitch changing mechanism is operated to activate the planting chuck device 30.
・ Adjust 30 ... to the pitch of the pot of the temporary tray. Then, as described above, the roller 15 arranged on the planted support 22 is fitted into the fitting recess 29a of the guide plate 29, and when the cylinder 28 is contracted in this state, the planted support 22 is placed on the vertical portion of the roller guide 24. All of the planting chuck devices 30, 30 ...
The cell molding seedlings are immediately inserted into the recesses formed in the pot of the temporary transplant tray S by the punching device J, and the open / close cylinder 32 is opened.
And the cylinder 28 is extended, the chucks 30.30 ... for planting are raised to complete the planting. Then, the step of driving the motor 27 to move it forward and grasping the cell-formed seedling from the cup of the seedling transfer conveyor C is repeated. At the time of this grasping step, the punching device J is operated, and the potting work is simultaneously performed on the pots of the plurality of temporary planting trays.

Further, the seedling planting portions E can be arranged in two rows and four rows as in the second embodiment shown in FIG. 5 to match the number of chuck claws 5 of the seedling extracting portion B. In this case, the back-and-forth movement and elevation of the planting support 22 are performed along the roller guide 24 'by the expansion and contraction of the moving cylinder 18, and the catch cylinder 31' simultaneously elevates and lowers two rows and four rows to transfer the seedling transfer conveyor. The chuck claw 6 located above C is opened and closed for gripping. Further, the feed shaft 26, the motor 27, the cylinder 28, etc. are omitted to simplify the configuration. However,
In order to stop the front and rear two rows of chuck claws 6 above the seedling transfer conveyor C, a positioning mechanism including a cylinder, a solenoid and the like (not shown) is arranged. Then, the operation of grasping and planting the other cell-shaped seedlings is the same as the above.

[0022]

Since the present invention is constructed as described above, it has the following effects. That is, since the planting chuck devices are arranged side by side in a matrix, a large number of planting chuck devices can be moved at a time between the seedling transfer conveyor and the temporary planting tray, and the number of times of movement can be reduced as compared with the conventional case. It will be possible to reduce, to shorten the travel time,
Since the cell-shaped seedlings were chucked and planted at once, the planting efficiency could be improved.

Further, the planting chuck device is moved up and down one row from the cup on the seedling transfer conveyor to chuck the cell-formed seedlings, and the cell-formed seedlings are chucked by all the planting chuck devices, and then moved above the temporary planting tray. Since the seedlings are planted, the structure for chucking the cell-formed seedlings from the seedling transfer conveyor can be simplified, and the means for moving in the row direction can also be used as the driving means for moving in the direction of the temporary planting tray. The drive structure for movement can be simplified.

[Brief description of drawings]

FIG. 1 is an overall front view of a temporary planting device equipped with a seedling planting chuck of the present invention.

FIG. 2 is a right side view of the temporary planting device.

FIG. 3 is a left side view of the temporary planting device.

FIG. 4 is a plan view of the temporary planting device.

5 is a left side view of the temporary planting device showing the second embodiment of the seedling planting section E. FIG.

[Explanation of symbols]

 B Seedling sampling unit E Seedling planting unit P Seedling tray 5 Chuck claw 9 Cup 10 Supply conveyor 11 Temporary planting conveyor

Claims (2)

[Claims] 1. A seedling planting device in a temporary planting device in which a cell-formed seedling grown in a seedling tray is taken out from one pot, transferred to a seedling transfer conveyor and conveyed to the other pot, and planted in a seedling planting device. A seedling planting device characterized in that chuck devices are arranged in a plurality of rows and a plurality of rows in a matrix form so as to be planted at one time. 2. The planting chuck device is moved up and down one row from a cup on the seedling transfer conveyor to chuck the cell-formed seedlings, and the cell-formed seedlings are chucked by all the planting chucking devices, and then above the temporary planting tray. The seedling planting device according to claim 1, which is moved and planted.