JPH1028A - Device for lifting and moving seedling box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for lifting and moving seedling boxes, capable of lifting and stopping the seedling boxes carried with a carrying mechanism at the prescribed positions of the carrying mechanism without using a fixed stopper. SOLUTION: Upwardly moving support members 31 are disposed on both the right and left sides of a prescribed position in a carrying mechanism 2 for seeding boxes 1. When the seedling box 1 is carried to the prescribed position, the right and left support members 31 are upwardly moved to contact with the right and left side parts of the seedling box 1 from the lower side at the prescribed position. The seedling box 1 at the prescribed position is upwardly lifted from the carrying mechanism 2, and the movement of the seedling box 1 in the carrying direction of the carrying mechanism 2 is stopped due to the friction of the seedling box 1 with the support parts 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling box (after sowing or empty) for growing seedlings for agricultural crops such as rice and vegetables, which is transported in the horizontal direction, and then turned for the next processing step. And a raising and moving apparatus for raising seedlings.

[0002]

2. Description of the Related Art When a nursery box (after sowing or empty) is transported for the next processing step, the nursery box is transported laterally by a transport mechanism, and the nursery box is stopped at a predetermined position of the transport mechanism. , Lift the nursery box upward from this predetermined position,
There is a nursery box lifting and moving device configured to send to the next processing step (for example, a processing step of directly stacking nursery boxes). In this case, a fixed stopper is disposed at a predetermined position of the transport mechanism, and the nursery box conveyed by the transport mechanism is applied to the fixed stopper to stop the seedling box at the predetermined position. There are many.

[0003]

As described above, if a fixed stopper for stopping the seedling raising box at a predetermined position of the transport mechanism is provided, the seedling raising box collides with the fixed stopper and stops when the seedling raising box stops. The soil and seeds inside may move to one side. If the nursery box is empty and light, the nursery box may be blown out by an impact when it collides with a fixed stopper, and the nursery box may not be lifted well. SUMMARY OF THE INVENTION It is an object of the present invention to provide a raising and moving apparatus for raising seedling boxes so that the seedling box can be lifted well without the soil or seeds in the raising box being moved to one side or being thrown away.

[0004]

[Means for Solving the Problems]

[I] According to the feature of claim 1, for example, FIG. 15 and FIG.
As shown in (1), when the seedling raising box 1 is conveyed rightward on the paper by the conveyance mechanism 2 and reaches a predetermined position of the conveyance mechanism 2, the support portions 31 arranged on the left and right sides of the conveyance mechanism 2 move upward. Then, the nursery box 1 is brought into contact with the lateral side of the nursery box 1 from below, and the nursery box 1 is lifted from the transport mechanism 2. In this case, the friction between the support portion 31 and the lateral side of the seedling raising box 1 causes the movement of the transport mechanism 2 in the seedling raising box 1 in the transport direction to be stopped with less shock, and the support portion 31 raises the seedling raising box 1 upward. The seedling raising box 1 does not hit the fixed stopper at a predetermined position of the transfer mechanism 2, and the movement of the transfer mechanism 2 in the seedling raising box 1 in the transfer direction is not stopped.

[II] According to the features of the second aspect, similar to the case of the first aspect, the "action" described in the above [I] is provided, and in addition, the following "action" is provided. ing. When the movement of the transport mechanism in the seedling box in the transport direction is stopped by friction between the support portion and the lateral side portion of the seedling box as in the feature of claim 1, the stop position of the seedling box in the support portion is changed. Often not constant. According to the feature of claim 2, even if the stop position of the seedling box in the support portion is not constant, the position of the seedling box supported by the support portion is corrected to a predetermined position by the operation of the guide mechanism.

[III] According to the feature of claim 3, similar to the case of claim 2, the "action" described in the above-mentioned [II] is provided, and in addition to this, the following "action" is provided. ing. According to the feature of claim 3, as the seedling raising box is lifted by the support portion, the seedling raising box comes into contact with the guide mechanism, and the position of the seedling raising box supported by the support portion is corrected to a predetermined position. As a result, the guide mechanism can be configured in a fixed guide rail shape, and a part of the power for lifting the seedling box by the support portion is used as the power for correcting the position of the seedling box supported by the support portion. Can be used.

[IV] According to the feature of claim 4, similar to the case of claim 2, the "action" described in the above-mentioned [II] is provided, and in addition to this, the following "action" is provided. ing. According to the feature of the fourth aspect, the seedling raising box is lifted by the support part, and after the support part is stopped, the position of the seedling raising box supported by the support part by the guide mechanism is corrected to a predetermined position. By correcting the position of the nursery box while the support (the nursery box) is stopped in this way, the position of the nursery box is corrected with high accuracy.

[V] According to the feature of claim 5, claim 1 is
As in any one of the above [I] to [I]
The “action” described in any one of [IV] is provided, and in addition, the following “action” is provided. When the nursery box reaches the predetermined position of the transport mechanism, if the upward movement of the support portions arranged on the left and right sides of the transport mechanism is delayed, a state occurs in which the nursery box passes the predetermined position of the transport mechanism. Sometimes. When the stopper is provided as in the feature of claim 5, even if the upward movement of the support portion is delayed and the seedling raising box tries to pass the predetermined position of the transport mechanism,
The nursery box is stopped by a stopper.

[VI] According to the feature of claim 6, similar to the case of claim 5, the "action" described in the above [V] is provided, and in addition to this, the following "action" is provided. ing. According to the feature of claim 6, the upward movement of the support portion is delayed, so that the seedling box is about to pass a predetermined position of the transport mechanism, and when the seedling box is stopped by hitting the stopper, the stopper is elastically retracted, The impact when the nursery box hits the stopper is reduced.

[VII] According to the feature of claim 7, as in the case of any one of claims 1 to 6, the "action" according to any one of the above items [I] to [VI]. ”, And in addition to this,
It has. According to the feature of claim 7, when the nursery box reaches a predetermined position of the transport mechanism and the support unit moves upward to lift the nursery box, the transport mechanism is also lifted and driven upward. As a result, the difference in moving speed between the supporting portion moving upward and the seedling box (when the transport mechanism is fixed at the lowered position, the moving speed of the seedling box upward is “zero”) is small, and It is possible to suppress the impact when the part contacts the side part of the seedling raising box from below.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION

(1) The entire nursery box processing facility to which the present invention is applied is shown in FIG.
Is shown in In this nursery box processing facility, the first transport mechanism 2 for transporting the nursery box 1, the first lifting device 3 for the nursery box 1 (corresponding to the nursery box lifting and moving device of the present invention), and the second lifting device 4 ( It corresponds to the seedling box lifting and moving device of the present invention), the pushing device 6 for pushing out the seedling box 1 in the lateral direction from the top of the stacking device 5 of the seedling box 1, the first and second lifting devices 3 and 4, and the pallet 7. A second transport mechanism 8 and a pallet 7 elevating device 9 are provided.

As an outline of the overall flow of the seedling box processing facility, the seedling raising box 1 after seeding is transferred from the left side of FIG. 3 to the right side of FIG.
The seedling raising boxes 1 are sequentially lifted at predetermined vertical intervals by the support portions 31 of the second lifting devices 3 and 4. When a predetermined number (for example, five) of the seedling raising boxes 1 are supported by the support portions 31 of the first and second lifting devices 3 and 4, the stacks located below the first and second lifting devices 3 and 4 are stacked. The support 35 of the device 5 moves upward, and the seedling raising box 1 supported by the support 31 of the first and second lifting devices 3 and 4.
Is lifted to the upper part of the first and second lifting devices 3 and 4 while being directly stacked by the support portion 35 of the stacking device 5.

Next, the stacked seedling boxes 1 are pushed laterally from above the first and second lifting devices 3 and 4 (upward on the paper surface of FIG. 3) by the pushing device 6 so as to have a horizontally long flat plate-like support portion 10a. Extruded along 10b. The pallet 7 is lifted up to a position near the lower side of the support portions 10a and 10b by the lifting device 9, and the above operations are repeated to stack the seedling raising boxes 1 by a predetermined number (for example, six) of the support portions 10a. , 10b, the support portions 10a, 1
0b is slid, and a predetermined number of stacked seedling boxes 1 are dropped and supplied to the pallet 7.

When a predetermined number of stacked seedling boxes 1 are dropped and supplied to the pallet 7, the pallet 7 is lowered by the elevating device 9, and the predetermined number of stacked seedling boxes 1 are again placed on the pallet 7. The operation of being dropped and supplied is repeated. When a predetermined number of the seedling raising boxes 1 are stacked on the pallet 7 as described above, the pallet 7 is conveyed to the right in FIG.
The pallet 7 on which the seedling raising boxes 1 are stacked is taken out of the second transport mechanism 8 by a forklift (not shown) or the like and carried to a greening room (not shown).

(2) Next, the first transport mechanism 2, the first and the second
The lifting devices 3, 4 and the stacking device 5 will be described. As shown in FIGS. 1 and 2, the first transport mechanism 2 includes a nursery box 1 on both sides of a pair of frames 11 arranged horizontally.
Is rotatably wound around a pair of chains 12 for transporting
The apparatus is provided with a motor 13 for rotating and driving the chain 12, and the seedling raising box 1 after seeding is conveyed from the left side of the paper of FIG. 1 to the right side of the paper.

As shown in FIGS. 1 and 4, a first lifting device 3 and a second lifting device 4 are provided above the first transport mechanism 2.
Are arranged side by side, and a stacking device 5 is arranged between the right side of the paper of the first lifting device 3 shown in FIG. 1, the left side of the paper of the second lifting device 4, and the first and second lifting devices 3 and 4. I have.

As shown in FIG. 1 and FIG. 4, four first support shafts 21 are arranged at both lower lateral outer sides of the first transport mechanism 2 and two second support shafts are disposed at upper lateral outer sides. A pair of drive shafts 24, which are arranged over the first and second lifting devices 3, 4 and engage with the lower two first support shafts 21 by a bevel gear 23, and a pair of drive shafts 24. And a pair of upper second
A drive shaft 25 that meshes with the bevel gear 23 over the support shaft 22 and a motor 27 that drives the drive shaft 25 are provided.

A drive sprocket 28 is fixed to the lower first support shaft 21, and a guide sprocket 29 is externally fitted to the upper second support shaft 22 so as to be relatively rotatable, and a chain extends over the drive sprocket 28 and the guide sprocket 29. 3
0 is wound. The support portions 31 are attached to the chain 30 at predetermined vertical intervals. The support portion 31 is formed in a hinge shape, and can swing upward around the horizontal axis P3 of the chain 30 from the horizontal position shown in FIG.
It is configured not to swing downward from this horizontal posture, and the vertical interval between the support portions 31 is set to be at least twice the vertical width of the seedling raising box 1. As described above, chain 3
The first and second lifting devices 3 and 4 are configured so as to be independently operable independently by the first and second lifting devices 3 and 4 by the first and second lifting devices. 3, 4 support portions 31 are arranged.

As shown in FIGS. 1 and 2, a guide sprocket 33 is fitted around the lower first support shaft 21 so as to be relatively rotatable, and a drive sprocket 32 is fixed to the upper second support shaft 22. A chain 34 is wound around the drive sprocket 32 and the guide sprocket 33. First
A horizontally long flat plate-like support portion 35 is provided across the chains 34 on both sides of the conveyor 2 (a pair of support portions 35 is provided on the chain 34 between the first and second lifting devices 3 and 4).
Is erected).

The support portion 35 can swing upward around the horizontal axis P4 of the chain 34 from the horizontal position shown in FIG. 5, but is configured not to swing downward from this horizontal position. . As described above, the stacking device 5 is configured by the chain 34, the support portion 35, and the like. As shown in FIGS. 1 and 4, the stacking device 5 is stacked on a pair of opposed lateral sides different from the above in the nursery box 1. The support 35 of the device 5 is arranged.

(3) Next, the first and second lifting devices 3,
4. The operation flow of the stacking device 5 will be described. As shown in FIG. 15, in a state where the seedling raising box 1 is not present, the first seedling raising box 1 is transported to the right side of the paper by the first transport mechanism 2, and this seedling raising box 1 is located slightly before the position of the first lifting device 3. Is reached by an optical sensor (not shown), the motor 30 drives the chain 30 of the first lifting device 3 to rotate upward, and the left and right support portions 31 of the first lifting device 3 raise seedlings. The seedling raising box 1 is lifted from the first transport mechanism 2 by contacting the lateral side of the box 1 from below.
In this case, the friction between the left and right support portions 31 of the first lifting device 3 and the lateral portions of the seedling raising box 1 causes the first seedling raising box 1
The movement of the transport mechanism 2 in the transport direction is stopped.

In the same manner as described above, the next seedling box 1 is conveyed to the right side of the drawing by the first conveying mechanism 2, and this seedling box 1 has reached a position slightly short of the position of the second lifting device 4. When detected by a sensor (not shown), the motor 26
As a result, the chain 30 of the second lifting device 4 is driven to rotate upward, and the left and right support portions 31 of the second lifting device 4 are rotated.
Comes in contact with the side of the nursery box 1 from below, and the nursery box 1
It is lifted from the transport mechanism 2. In this case, the movement in the transport direction of the first transport mechanism 2 in the nursery box 1 is stopped by the friction between the left and right support portions 31 of the second lifting device 4 and the lateral sides of the nursery box 1.

As shown in FIGS. 15 and 16, when the next seedling raising box 1 reaches a position slightly short of the position of the first lifting device 3, the left and right support portions 31 of the first lifting device 3 operate in the same manner as described above. Then, the seedling raising box 1 is lifted from the first transport mechanism 2. As shown in FIG. 16 to FIG. 17 and FIG. 20, when the next seedling raising box 1 reaches a little short of the position of the second lifting device 4, the left and right support portions 31 of the second lifting device 4 operate in the same manner as described above. The seedling raising box 1 is lifted from the first transport mechanism 2, and the above operations are repeated.

As described above, the seedling raising box 1 is divided into the first and second seedling boxes.
When being lifted by the support portions 31 of the lifting devices 3 and 4, the support portions 35 of the stacking device 5 are stopped at the positions shown in FIG. Therefore, the seedling raising box 1 is
Of the stacking apparatus 5 can swing upward, so that the seedling raising box 1
When is lifted, the support portion 35 of the stacking device 5 escapes upward, and the seedling raising box 1 passes through the support portion 35 of the stacking device 5 without any trouble.

As shown in FIGS. 1, 2, 4, and 15, a vertically oriented guide plate 36 is disposed between the chains 30 of the first and second lifting devices 3 and 4, and a support portion 35 of the lifting device 5 is provided. A vertical guide rail 37 is also arranged at the position. Thereby, even if the positions of the seedling raising box 1 are displaced, when the seedling raising box 1 is lifted by the support portions 31 of the first and second lifting devices 3 and 4 as described above, the seedling raising box is raised. 1 comes in contact with the guide plate 36 and the guide rail 37, and each position of the seedling raising box 1 is returned to a predetermined position.

As described above, as shown in FIG. 18 to FIG. 19 and FIG.
Is supported by the support portions 31 of the first and second lifting devices 3 and 4, the chain 34 of the stacking device 5 is driven to rotate upward by the motor 27, and the support portions 35 of the stacking device 5 It rises to the upper part of the second lifting devices 3 and 4. Thereby, first, the seedling raising box 1 of the lowermost support portion 31 of the first and second lifting devices 3 and 4 is supported and lifted by the support portion 35 of the stacking device 5, and the first and second lifting devices 3 and 4 are lifted. Upper support 3 at 4
One seedling raising box 1 is lifted up by the support portion 35 of the stacking device 5 while being sequentially stacked directly. As a result, a predetermined number of seedling boxes 1 are directly stacked and supported by the support portions 35 of the lifting devices 5 above the first and second lifting devices 3 and 4.

In this manner, the seedling raising box 1 is
When the seedling raising box 1 is lifted by the support portion 35, the seedling raising box 1 hits the support portion 31 of the first and second lifting devices 3 and 4 from below.
4 can swing upward, so that when the seedling raising box 1 is lifted, the supporting parts 31 of the first and second lifting devices 3 and 4 escape upward, and the seedling raising box 1 becomes first and second. It passes through the support portions 31 of the lifting devices 3 and 4 without any trouble.
With the guide plate 36 and the guide rail 37 shown in FIGS. 1, 2, 4, and 15, when the seedling raising box 1 is lifted by the support portion 35 of the stacking device 5, each position of the seedling raising box 1 is brought to a predetermined position. Also returned correctly.

As described above, when a predetermined number of seedling raising boxes 1 are lifted above the first and second lifting devices 3 and 4 in a state of being directly stacked, as shown in FIG. Then, the stacked seedling raising boxes 1 are pushed out to the support portions 10a and 10b in the stacked state. During this time, the nursery box 1
Is transported, and the seedling raising box 1 is lifted by the support portions 31 of the first and second lifting devices 3 and 4.

(4) Next, the extruder 6 and the support 1
0a and 10b will be described. As shown in FIGS. 7, 8, and 11, three support frames 38 are arranged from above the first and second lifting devices 3 and 4 to above the second transport mechanism 8 in a horizontal direction. A pair of horizontally long flat plate-like supports 1
8 is slidably supported in the center and on the support frame 38 on the right side of the paper surface of FIG. 8, so that both ends of the support plate 10 a are connected by a pair of linking plates 39. The support plate 10a is slid.

A pair of horizontally long flat plate-like support portions 10b are slidably supported in the center and on the left side of the paper of FIG. 8 by a support frame 38 in FIG. Are connected, and the operating cylinder 42 slides the pair of support plates 10b.

As shown in FIGS. 6 and 10, one drive shaft 43 is supported over the support frame 38.
Is provided, and a pair of chains 47 is wound around a drive sprocket 45 provided at both ends of the drive shaft 43 and an induction sprocket 46 provided on the support frames 38 on both sides. I have. Six horizontally long push operation plates 48 are laid across the chains 47 on both sides, and one push operation plate 48 is provided with four pushing portions 48a to constitute the pushing device 6.

As shown in FIGS. 2, 3, 12, and 13, the second
In the portion below the support frame 38 in the transport mechanism 8,
An elevator 49 for the pallet 7 is provided.
And a lifting / lowering cylinder 51 for operating the support link mechanism 50 up and down. As described above, the elevator 49 and the support link mechanism 50
The elevating device 9 is constituted by the elevating cylinder 51.

(5) With the above structure, the empty pallet 7
Is transported from the left side of the paper to the right side of the paper as shown in FIG. 14A by the second transport mechanism 8, the pallet 7 is stopped by the hook-shaped stopper 52 provided in the second transport mechanism 8. Then, as shown in FIG. 20, the empty pallet 7 is lifted up to near the lower side of the pushing device 6 by the lifting table 49.

When the stacked seedling raising boxes 1 are lifted above the first and second lifting devices 3 and 4 as described in the above item (3) and as shown in FIG.
As shown in FIG.
8, the stacked seedling boxes 1 on the upper portions of the first and second lifting devices 3 and 4 are pushed out to the right in FIG. 22 along the supporting portions 10a and 10b, so that the stacked seedling boxes 1 are stacked. When the pallet 7 reaches the upper left side in the drawing, the pushing device 6 stops once.

In the meantime, the first and second lifting devices 3 and 4 and the stacking device 5 as described in (3) above.
Thus, the seedling raising boxes 1 are lifted up on the first and second lifting devices 3 and 4 while being directly stacked. As a result, when the next stacked seedling raising box 1 is lifted to the upper part of the first and second lifting devices 3 and 4,
The extruder 6 is actuated to push out the next stacked seedling box 1 along the supporting portions 10a and 10b to the right in the drawing of FIG. When reaching the upper left side, the pushing device 6 stops again. In this case, the previously stacked seedling raising boxes 1 are similarly pushed out by the pushing device 6, and the last stacked seedling raising boxes 1 are located above the center of the pallet 7 in the drawing.

Then, as shown in FIG. 23, when the next stacked seedling raising box 1 is lifted to the upper part of the first and second lifting devices 3 and 4, the pushing device 6 is operated in the same manner as described above, and the next. Nursery box 1 stacked with
When the next stacked seedling raising box 1 reaches the upper left side of the sheet of the pallet 7, the pushing device 6 is stopped again. in this case,
The previous and previous stacked seedling boxes 1 are also pushed out by the pushing device 6, and the previous stacked seedling boxes 1 are located above the center of the pallet 7 in the drawing, and the previous and previous stacked seedling boxes are stacked. Reference numeral 1 is located above the right side of the pallet 7 in the drawing.

As shown in FIG. 24 and FIG. 8, the six sets of the seedling raising boxes 1 are mounted on the supporting portions 10a and 10a.
10b, the operation cylinders 40 and 42 are contracted as shown in FIG. 25 and FIG.
9a is slid to the right in FIG. 9, and the pair of support portions 10b is slid to the left in FIG. 9 so that the support portions 10a and 10b enter the support frame 38. As a result, as shown in FIG. 25, the six sets of the seedling raising boxes 1 are simultaneously dropped from the support portions 10a and 10b and placed on the pallet 7 below.

[0038] The six sets of seedling raising boxes 1 stacked in this way
Is supported by the supporting portions 10a and 10b, the pushing device 6 operates slightly in the opposite direction and stops, and the pushing operation plate 4 is stopped.
The pushing portion 48a of the 8 is separated from the stacked seedling raising boxes 1. Thereby, the push portion 4 of the push operation plate 48
When the stacked seedling boxes 1 are dropped from the support portions 10a and 10b in a state where the seedling boxes 8a are in contact with the stacked seedling boxes 1, the stacked seedling boxes 1 are obliquely inclined by contact with the pushing portions 48a. To prevent them from falling.

As described above, when six sets of the stacked seedling boxes 1 are placed on the pallet 7, the pallet 7 is moved up and down by the elevating device 9 as shown in FIG. If it is lowered more than that and it is raised again,
The upper ends of the stacked seedling raising boxes 1 are the supporting portions 10a and 10b.
The elevator 9 stops at a position slightly lower than.

Next, the supporting portions 10a, 10
b supports six stacked seedling raising boxes 1,
The set of seedling boxes 1 in a set is simultaneously dropped from the support portions 10a and 10b and placed on the upper portions of the seedling boxes 1 placed on the lower pallet 7, and the pallet 7 is lowered in the same manner as described above. Operated. Then, the above operation is repeated a predetermined number of times, and the seedling raising boxes 1 are stacked and placed on the pallet 7.

As shown in FIG. 27, the seedling box 1
Are stacked and placed, the pallet 7 is placed on the second transport mechanism 8 by the elevating device 9, and the stopper 52 is swung downward by the operation cylinder 53 as shown in FIG. And the pallets 7 are conveyed rightward on the paper by the second conveying mechanism 8, and the pallets 7 on which the seedling raising boxes 1 are stacked are conveyed to a greening room (not shown) by a forklift (not shown) or the like. . Then, the next empty pallet 7 is transported to the position of the elevating table 49 by the second transport mechanism 8, and the empty pallet 7 is moved by the elevating device 9 as shown in FIG. And the above operation is repeated.
The seedling raising boxes 1 are stacked on the pallet 7.

[First Embodiment of the Invention] Instead of the configuration in which the nursery boxes 1 are stacked on the pallet 7 shown in FIG.
28, 29, 30 (a), (b), and (c). As shown in FIGS. 28 and 29, in the second transport mechanism 8 disposed on the side of the first transport mechanism 2, the chain 14 is driven to rotate on the side of the first lifting device 3.
Are disposed on both left and right sides of the second transport mechanism 8 (two sets on one side),
A support portion 15 is connected to a pair of chains 14 extending along the second transport mechanism 8. Similarly, on the side of the second lifting device 4 in the second transport mechanism 8, the support 1
Two sets of chains 14 on one side to which the bridges 5 are connected are provided. A roller type third transport mechanism 16 is connected to the second transport mechanism 8, and a rail 17 is arranged so as to intersect the end of the third transport mechanism 16.

As a result, the seedling boxes 1 stacked by the first and second lifting devices 3 and 4 and the stacking device 5 are pushed out to the right in FIG. Supported by the support portion 1
5 is lowered by the height of the nursery box 1 on which the seedling boxes 5 are stacked, and stopped. The above operation is repeated, and the support portion 15
When the support unit 15 reaches the second transport mechanism 8, the nursery box 1 supported by the support unit 15 is transferred to the second transport mechanism 8 and the second transport mechanism is moved to the second transport mechanism 8. 8 to the third transport mechanism 16.

As shown in FIGS. 28 and 30 (a), a carriage 18 is mounted on a rail 17 and the seedling boxes 1 stacked as shown in FIG.
Is transferred to a trolley 18 and this trolley 18 is
7 and is put on the supporting cart 19 as shown in FIGS. 28 and 30 (c). By repeating the above operation, the cart 18 supporting the stacked seedling raising boxes 1 is moved. And four sets on the support cart 19.

[Second Alternative Embodiment of the Invention] Instead of the configuration in which the nursery boxes 1 are stacked on the pallet 7 shown in FIG.
The configuration may be as shown in FIGS. 31 and 32 (a), (b), and (c). As shown in FIG. 31, the second transport mechanism 8 shown in FIGS. 28 and 29, a chain 14 to which the support portion 15 is erected and connected, and a third transport mechanism 16 are provided. A forklift-like transfer mechanism 54 is arranged instead of the rail 17. The rails 20 are arranged along the second and third transport mechanisms 8 and 16, and the support cart 53 is mounted on the rails 20.

As a result, the seedling boxes 1 stacked as shown in FIGS. 31 and 32 (a) are sent out from the second and third transport mechanisms 8 and 16 to the transfer mechanism 54, and the stacked seedling boxes are stacked. 3 supporting the transfer mechanism 54 shown in FIG.
32, the stacked seedling boxes 1 are transferred to the support cart 53 as shown in FIGS. As described above, the four sets of the seedling raising boxes 1 stacked on each other are put on the supporting cart 53.

[Third Alternative Embodiment of the Invention] FIGS.
Instead of the fixed guide rail 37 shown in FIG.
As shown in (a), the guide rail 37 is moved to the first transport mechanism 2.
May be configured to perform a reciprocating operation with a predetermined stroke along the transport direction. As a result, FIG.
As shown in (a), when a predetermined number (for example, five) of the seedling raising boxes 1 are supported by the support portions 31 of the first and second lifting devices 3 and 4 (see (3) above), FIG. As shown in (b), the guide rail 37 is moved toward the seedling raising box 1 along the transport direction of the first transport mechanism 2 (the left-right direction in the drawing) to support the first and second lifting devices 3 and 4. The seedling raising box 1 supported by 31 is aligned at a predetermined position.

As shown in FIG. 33A, the first transport mechanism 2
The stopper 56 may be supported at the end of the stopper 56 in a state where the stopper 56 can be elastically retracted (to the right in the drawing) via a spring 55.
Thereby, when the seedling raising box 1 normally reaches a little before the position of the first lifting device 3, the seedling raising box 1 is lifted from the first transport mechanism 2 by the left and right supports 31 of the first lifting device 3, and Due to friction between the left and right support portions 31 of the lifting device 3 and the lateral sides of the nursery box 1, the first
The movement of the transport mechanism 2 in the transport direction is stopped. In this case, even if the raising of the seedling box 1 by the left and right supports 31 of the first lifting device 3 is delayed, and the seedling box 1 tries to pass the position of the first lifting device 3, the seedling box 1 is stopped by the stopper 56. .

The first transport mechanism 2 is moved to the lower position shown in FIG.
It may be configured to be able to move up and down freely from a lower position to a raising position slightly higher than the lower position. Thus, nursery box 1
Reaches a little before the position of the first lifting device 3 and the first
The left and right support portions 31 of the lifting device 3 move the seedling raising box 1 to the first position.
When lifting from the transport mechanism 2, the first transport mechanism 2 is configured to be raised from the lowered position to the raised position at the same time as the lifting.

[0050]

According to the first aspect of the present invention, the transporting direction of the transport mechanism in the nursery box is achieved by friction between the support for lifting the nursery box and the nursery box without using a fixed stopper in the nursery box lifting and moving device. Can be stopped with less shock, so that the soil and seeds in the nursery box may move on one side or the seedling box may be blown off by the impact at the time of stoppage. Not
The nursery box can be lifted, and the processing after the raising of the nursery box can be easily performed, and the operation performance of the nursery box lifting and moving device can be improved. The support portion for raising the seedling box, which may be an existing structure, can be provided with a stopper function, and a dedicated stopper can be omitted, which is advantageous in terms of simplification of the structure.

According to the feature of the second aspect, the "effect of the invention" of the first aspect is provided as in the case of the first aspect. According to the feature of claim 2, even if the stop position of the seedling raising box at the support portion is not constant, the position of the seedling raising box supported by the support portion is corrected to a predetermined position by the action of the guide mechanism. There is no problem that the processing after lifting the box is hindered.

According to the feature of the third aspect, similar to the case of the second aspect, the above-mentioned "effect of the invention" of the second aspect is provided. According to the feature of the third aspect, the guide mechanism is formed in a fixed guide rail shape, and a part of the power for lifting the nursery box by the support is used for the power for correcting the position of the seedling box supported by the support. The guide mechanism can be simply configured, which is advantageous in simplifying the structure.

According to the feature of claim 4, the "effect of the invention" of claim 2 is provided as in the case of claim 2. According to the feature of claim 4, the position of the seedling box is corrected with high accuracy by the guide mechanism in a state where the support part (the seedling box) is stopped, so that the processing after the raising of the seedling box is further performed. Easier to do.

According to the feature of claim 5, as in any one of claims 1 to 4, the above claims 1 to 4
Of any one of the above.
According to the feature of claim 5, even if the upward movement of the support portion is delayed and the nursery box passes the predetermined position of the transport mechanism, the seedling box is stopped by the stopper, so that the nursery box moves the predetermined position of the transport mechanism. This prevents the state in which it cannot pass and cannot be lifted by the support portion, thereby improving the reliability of operation of the nursery box lifting and moving device.

According to the feature of claim 6, the "effect of the invention" of claim 5 is provided as in the case of claim 5. According to the feature of claim 6, the upward movement of the support portion is delayed, so that the seedling box is about to pass a predetermined position of the transport mechanism, and when the seedling box is stopped by hitting the stopper, the stopper is elastically retracted, Since the impact when the nursery box hits the stopper is reduced, the situation that the soil and seeds in the nursery box move on one side or the nursery box is skipped by the impact at the time of stoppage is prevented beforehand. Is done.

According to the feature of claim 7, as in any one of claims 1 to 6, the above claims 1 to 6
Of any one of the above.
According to the feature of claim 7, the difference in moving speed between the support part moving upward and the seedling box is small, and the impact when the support part contacts the lateral side part of the seedling box from below is suppressed. Therefore, the state where the soil and seeds in the nursery box move to one side or the nursery box moves due to the impact is prevented.

[Brief description of the drawings]

FIG. 1 is a side view of the vicinity of a first and second lifting devices and a first transport mechanism viewed from a direction A in FIG. 3;

FIG. 2 is a side view of the vicinity of a first lifting device, an extruding device, and a second transport mechanism viewed from a direction B in FIG. 3;

FIG. 3 is an overall plan view of a nursery box processing facility.

FIG. 4 is an overall perspective view of first and second lifting devices and a stacking device.

FIG. 5 is a side view of a support portion of the lifting device located between the first and second lifting devices.

FIG. 6 is an overall perspective view of an extrusion device.

FIG. 7 is an overall perspective view of a support portion located below the pushing device.

FIG. 8 is an overall plan view of a support portion located below the pushing device.

FIG. 9 is an overall plan view showing a state in which a support portion located below the pushing device is slid into the support frame.

FIG. 10 is a side view of an extruding device and a supporting portion (A in FIG. 3);
direction)

FIG. 11 is a side view showing a state where the stacked seedling boxes are supported by a support portion located below the pushing device (A direction in FIG. 3).

FIG. 12 is a side view of the vicinity of a lifting device in a second transport mechanism.

FIG. 13 is an overall perspective view of a second transport mechanism and an elevating device.

FIG. 14 is a side view showing a state where the pallet is conveyed to the position of the elevating device of the second conveying mechanism and the pallet is sent out again;

FIG. 15 is a side view showing a state in which the seedling boxes are transported to the positions of the first and second lifting devices by the first transport mechanism, and the seedling boxes are lifted by the support portions of the first and second lifting devices. (A direction in FIG. 3)

16 is a side view showing a state where the next seedling box in the state shown in FIG. 15 has been conveyed and the seedling box has been lifted by the support portions of the first and second lifting devices (A direction in FIG. 3).

17 is a side view showing a state where the next seedling box in the state shown in FIG. 16 has been conveyed and the seedling box has been lifted by the support portions of the first and second lifting devices (direction A in FIG. 3).

18 is a side view showing a state in which a predetermined number of seedling raising boxes are supported by the first and second lifting devices after the state shown in FIG. 17 (direction A in FIG. 3).

19 is a side view showing a state in which the seedling boxes supported by the first and second lifting devices are directly stacked and lifted by the stacking device after the state shown in FIG. 18 (direction A in FIG. 3).

20 is a side view showing a state where the next seedling box in the state shown in FIG. 15 has been conveyed and the seedling box has been lifted by the support portions of the first and second lifting devices (direction B in FIG. 3).
(Corresponding to FIG. 16)

FIG. 21 is a side view showing a state in which the seedling boxes supported by the first and second lifting devices are directly stacked and lifted by the stacking device after the state shown in FIGS. 17 and 18 (FIG. 3); B direction) (corresponding to FIG. 19)

FIG. 22 is a side view showing a state where the stacked seedling boxes are being pushed out to the support portion by the pushing device.

FIG. 23 is a side view showing a state in which a plurality of sets of the seedling raising boxes are pushed out to the supporting portion by the pushing device.

FIG. 24 is a side view showing a state where a plurality of sets of seedling raising boxes have reached the upper part of the pallet next to the state shown in FIG. 23;

FIG. 25 is a side view showing a state in which a plurality of sets of the seedling raising boxes are dropped and supplied from the supporter to the pallet after the state shown in FIG. 24;

FIG. 26 is a side view showing a state where the pallet is moved down after the state shown in FIG. 25;

FIG. 27 is a side view showing a state in which a plurality of sets of seedling raising boxes are stacked on a pallet and the pallet is placed on a second transport mechanism;

FIG. 28 is an overall plan view of a nursery treatment facility according to a first different embodiment of the present invention.

FIG. 29 is an overall front view of a nursery processing facility according to the first alternative embodiment of the present invention;

FIG. 30 is a side view and a front view showing a state where the stacked seedling boxes are transferred from a trolley to a support trolley in the first alternative embodiment of the invention;

FIG. 31 is an overall plan view of a seedling treatment facility according to a second modification of the embodiment of the present invention.

FIG. 32 is a side view and a front view showing a state where the stacked seedling boxes are transferred from the transfer mechanism to the support cart in the second alternative embodiment of the present invention.

FIG. 33 is a side view of the vicinity of the first and second lifting devices according to the third alternative embodiment of the invention (the direction A in FIG. 3);

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nursery box 2 Transport mechanism 31 Support part 37 Guide part 56 Stopper

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tadao Wakuda 64 Ishizukita-cho, Sakai-shi, Osaka Inside Kubota Sakai Works

Claims (7)

[Claims] 1. A transport mechanism for transporting a seedling raising box, wherein a plurality of support portions arranged at predetermined vertical intervals and moving upward are disposed on both left and right sides of a predetermined position of the transport mechanism, When the nursery box is transported to the predetermined position by the transport mechanism, the left and right support portions move upward and contact the left and right lateral portions of the nursery box at the predetermined position from below, and the predetermined position A raising device for raising a seedling box, wherein the raising of the seedling box is stopped from moving in the transport direction of the transport mechanism by friction with the support portion while lifting the seedling box upward from the transport mechanism. 2. The raising seedling box according to claim 1, further comprising a guide mechanism for changing and correcting the position of the transfer mechanism in the transfer direction to a predetermined position in the seedling box supported by the left and right support portions. Moving equipment. 3. The position of the transport mechanism in the seedling box in the transport direction is modified while contacting and guiding the seedling box as the seedling box is lifted upward by the left and right supports. 3. The raising and moving apparatus for raising seedling boxes according to claim 2, wherein said guide mechanism is constituted. 4. The guide mechanism is configured to change and correct the position of the transport mechanism in the transport direction in the nursery box after the left and right supports stop lifting the nursery box. 2. The nursery box lifting and moving device according to 2. 5. The seedling raising according to claim 1, further comprising a stopper for stopping the seedling raising box from passing a predetermined distance or more from the predetermined position along the transport direction of the transport mechanism. Box lifting and moving device. 6. A method for receiving and stopping a nursery box while retreating elastically along the transport direction of the transport mechanism.
The raising and moving apparatus for raising seedling boxes according to claim 5, wherein the stopper is constituted. 7. When the seedling box is transported to the predetermined position by the transport mechanism, the transport mechanism is lifted and driven upward as the left and right support portions move upward. The raising and moving apparatus for raising seedling boxes according to any one of claims 1 to 6.