JPH09208046A - Seedling culture box recoverying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce labor for recovering seedling culture boxes after a hardening treatment by providing a support receiving a seedling box supplied by a conveyor mechanism and a feed-in mechanism for feeding the box in horizontally to a retaining part in the form of shelves formed at a support frame. SOLUTION: When a seedling culture box is placed, a recovery conveyor 21 rises to face a lowermost shelf 19 and the box is fed in with a second electric motor M2 driving the conveyor 21. The conveyor 21 then descends to the original position and rises again with a following seedling culture box being placed thereon to feed to box in to a shelf 19 on the second stage. By repeating such operation feeding-in of seedling culture boxes to shelves including an uppermost shelf on the right rear side of a load-carrying part is carried out. Next, the conveyor 21 descends to face a lowermost shelf 19 and the seedling culture box is fed in thereonto, the seedling culture box fed in before onto the shelf 19 is pushed and moved to the side of lowermost shelf 19 on the left rear side of the load-carrying part, then a following seedling culture box is positioned at the lowermost shelf 19 on the right rear side of the load-carrying part. With the repition of such operation feeding-in of seedling culture boxes to shelves including an uppermost shelve 19 on the left rear side of load-carrying part is carrying out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursery box collecting device, and more specifically, to a nursery box that is flatly developed for hardening treatment by exposing seeded and greened seedlings to natural light. Regarding a box collection device.

[0002]

2. Description of the Related Art Conventionally, when collecting a nursery box that has been developed in a plane as described above after curing, the operator must hold the nursery boxes sent horizontally by a conveyor one by one. It was transferred to the shelf-shaped holding part of the support frame.

[0003]

As in the conventional method, the operator takes the nursery boxes one by one by hand and moves them to the shelf-like holding portion of the support frame, which requires a great deal of labor. It was necessary and there was room for improvement.

It is an object of the present invention to facilitate the recovery work after curing treatment of a two-dimensionally raised seedling raising box.

[0005]

[Means for Solving the Problems]

[Structure] The characteristic structure of the invention according to claim 1 is a support for receiving a nursery box sent by a conveyor mechanism, an elevating mechanism for elevating and lowering this support, and a nursery box elevating and lowering to a predetermined height by this elevating mechanism. And a feeding mechanism that feeds in a horizontal direction with respect to a shelf-shaped holding portion formed on the support frame.

According to a second aspect of the present invention, there is provided an intermediate holding mechanism for receiving a nursery box sent by a conveyor mechanism, sequentially moving it upward or downward and holding it at predetermined vertical intervals, and holding it by this intermediate holding mechanism. A plurality of seedling raising boxes, which have a feeding mechanism for horizontally feeding to a shelf-like holding portion formed on the support frame at an interval equal to the vertical interval of the seedling raising boxes held by the intermediate holding mechanism. To become.

According to a third aspect of the present invention, in the invention according to the second aspect, the intermediate holding mechanism is configured so that the nursery box is allowed to move upward and the nursery box is moved downward. A frame body provided with a locking piece for preventing movement by contact with the seedling raising box, and receiving a seedling raising box sent by a conveyor mechanism and lifting upward along the frame body, and the raising piece from the locking piece at the upper position And an elevating and lowering support portion for sequentially retaining and holding the.

[Operation] [A] According to the configuration of claim 1, the support receives the seedling raising box sent by the conveyor mechanism, and then the support is moved up and down by the operation of the elevating mechanism to move the seedling raising box. Position it at the specified height. Then, the feeding mechanism operates to horizontally feed the seedling-growing box having a predetermined height to a shelf-shaped holding portion formed on the support frame.

[B] According to the structure of claim 1, in the work of collecting the seedling raising boxes, an operator manually holds the seedling raising boxes one by one and moves them to a shelf-shaped holding portion. It can be lost.

[C] According to the structure of claim 2, the intermediate holding mechanism receives the nursery boxes sent by the conveyor mechanism, sequentially moves them upward or downward, and holds a plurality of them at predetermined vertical intervals. . Then, the feeding mechanism operates to feed the held plurality of seedling raising boxes to the shelf-like holding portions formed on the support frame at an interval equal to the vertical spacing between them.

[D] That is, according to the structure of claim 2, it is possible to eliminate the manual work in which the operator holds the seedling raising boxes one by one in the hand and transfers them to a shelf-shaped support frame in the work of collecting the seedling raising boxes. In addition, since a plurality of seedling raising boxes are sent all at once to the shelf-shaped holding portion formed on the support frame, the work efficiency can be improved.

[E] According to the structure of claim 3, the raising and lowering support portion receives the seedling raising box sent by the conveyor mechanism and lifts it upward. The nursery box pushes away the locking piece of the frame body, is positioned on the upper side of the locking piece at the upper position, and then descends and is held by being prevented from abutting against the downward movement by the locking piece. Next, the elevating and lowering support portion operates in the same manner, and another seedling raising box is held by the locking piece on the lower side of the locking piece, and a plurality of seedling raising boxes are held by repeating this. Then, the feeding mechanism operates to feed the held plurality of seedling raising boxes to the shelf-like holding portions formed on the support frame at an interval equal to the vertical spacing between them.

[F] That is, according to the configuration of claim 3, in addition to the same operation as the above-mentioned operation [d], the intermediate holding mechanism can be made a simple structure, and the nursery box can be surely provided. You can now hold.

[Effect] Therefore, according to the structure of claim 1,
Due to the above actions [a] and [b], in the recovery work after the curing treatment of the two-dimensionally raised seedling raising box, the operator holds the seedling raising boxes one by one in his hand and transfers them to the shelf-like holding portion of the support frame. It was possible to eliminate human work such as replacing the work, and to reduce the effort of collection work.

According to the structure of claim 2, by virtue of the above-mentioned actions [C] and [D], the same effect as that of the structure of the above-mentioned claim 1 can be obtained, and in addition, the workability of the recovery work is improved. I was able to improve.

According to the structure of claim 3, by the above-mentioned operations [e] and [f], the same effect as the effect of the structure of the above-mentioned claim 2 can be obtained, and the structure is complicated. It is now possible to further improve the workability of the recovery work.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A seedling raising facility is shown in FIG. 1 and FIG. 2, and this seedling raising facility comprises a conveyer conveyor 1 (an example of a conveyor mechanism), a horizontally long transverse feed stand 2, and a plurality of support rails 3. It is equipped with. The transfer conveyor 1 is configured to be capable of normal rotation and reverse rotation, and is movably supported by caster wheels 4.

The horizontal feed table 2 is horizontally long, and support rollers 5 which are rotatable in the front-rear direction and the left-right direction are arranged along the longitudinal direction (vertical direction in the plane of FIG. 1). A plurality of vertical feed belts 6 that can be driven to rotate in the forward and reverse directions are provided on the right side of the horizontal feed table 2 in the longitudinal direction of the horizontal feed table 2 (the vertical direction of the paper in FIG. 1). There is. The horizontal feed table 2 is movably supported by the caster wheels 7 via the height adjustment mechanism 8 and the fixed leg 9. By operating the height adjustment mechanism 8 to expand and contract, the posture of the horizontal feed table 2 is fixed. It can be changed up and down around the support point P1 of 9.

A support rail 3 is provided for each of the vertical feed belts 6 in the horizontal feed table 2 so that the support rail 3 is orthogonal to the horizontal feed table 2 (left and right in the plane of the paper in FIGS. 1 and 2).
The support rail 3 is provided with a support roller 10 that freely rotates in the forward and reverse directions of the left and right directions of the paper of FIGS. 1 and 2. Each of the support rails 3 is supported via the height adjusting leg 11 and the fixed leg 12, and the posture of the support rail 3 is moved around the support point P2 of the fixed leg 12 by expanding and contracting the height adjusting leg 11. It can be changed up and down.

In the case of the unfolding work as shown in FIGS. 1 and 2, the horizontal feed table 2 is set in a substantially horizontal position by the expansion / contraction operation of the height adjusting mechanism 8 and is supported by the expansion / contraction operation of the height adjusting legs 11. The end of the rail 3 on the side of the horizontal feed 2 is attached to the horizontal feed 2
The height is set to be substantially the same as that of the (vertical feed belt 6), and the support rail 3 is set in the posture for deploying the nursery box. In this posture for deploying the seedling raising box, the end of the support rail 3 on the side of the horizontal feed table 2 is slightly higher than the end on the opposite side.

Two carriages 13 are provided at the end of the conveyor 1.
Is located, and a greening cart 14 having a plurality of upper and lower shelves is placed on one of the transport vehicles 13, and a seedling raising box 15 that has undergone germination and greening is placed on each shelf of the greening cart 14. Has been. A box shelf inserter 16 is mounted on the other carrier 13.

In the state of the unfolding work shown in FIGS. 1 and 2, the seedling raising box 15 is sequentially transferred from the greening trolley 14 of one of the transport vehicles 13 to the box shelving machine 16 of the other transport vehicle 13 to carry out the box shelving. From the machine 16 to the nursery boxes 15 one by one
Will be sent to. When the nursery box 15 reaches the lateral feed table 2 from the conveyor 1, the operator manually pushes the nursery box 15 along the support roller 5 of the lateral feed table 2 and moves it to both outer sides (vertical direction in the plane of FIG. 1). ), And push out from the support roller 5 to each of the vertical feed belts 6 (rightward on the paper surface of FIGS. 1 and 2).

As a result, the seedling raising box 15 is vertically fed by the belt 6.
From the supporting rail 3 to the right side of the paper surface of FIGS. 1 and 2 along the supporting roller 10 of the supporting rail 3, and at the end of the supporting rail 3 on the side opposite to the lateral feed table 2. Stop against the stopper 17. When the above operation is repeated, the seedling raising boxes 15 are supported by each of the support rails 3 in a column shape, and a large number of seedling raising boxes 15 are supported by each of the support rails 3 in a column shape. After the work is completed, the seedling raising box 15 is cured in this state.

After the hardening process of the nursery box 15, the nursery box 15 is recovered. In this case, as shown in FIG. 2, the horizontal feed table 2 is set to the downward posture by the expansion / contraction operation of the height adjustment mechanism 8, and the expansion / contraction operation of the height adjustment leg 11 is accompanied by this, and the horizontal feed table of the support rail 3 is set. The end portion on the 2 side is set at substantially the same height as the horizontal feed base 2 (longitudinal feed belt 6), and the support rails 3 are set in the seedling raising box collecting posture. In this posture for collecting nursery boxes, the end of the support rail 3 on the side of the horizontal feed table 2 is slightly lower than the end on the opposite side.

In the recovery work as in the case of the unfolding work, two transport vehicles 13 are positioned at the end of the transport conveyor 1, but one of the transport vehicles 13 does not have the greening cart 14 but the upper and lower carts. Shelf unit 19 having a plurality of stages (an example of a holding unit)
An empty support frame 20 having four compartments is mounted, and the carrier bed of the other carrier 13 is equipped with the nursery box collection device A according to the present invention. Each section of the shelf portion 19 extending over the upper and lower stages is
The pair of left and right sides are located on the front side and the rear side of the luggage carrier, and at the beginning of the collecting operation, the nursery box collecting device A is opposed to the compartment located on the right rear side of the luggage carrier (see FIG. 3).

As shown in FIGS. 4 and 5, the seedling raising box collecting device A is a collecting conveyor (an example of a support) for receiving the seedling raising box 15 sent by the conveyer conveyor 1 through a tilt table 35.
21 and a pair of the first elevating chains 2 in a vertical posture that drives the recovery conveyor 21 up and down in a state where the recovery conveyors 21 and the transfer frames 21A on both sides in the width direction are separately connected.
2 (an example of an elevating mechanism, which is driven by a first electric motor M1), and the seedling raising box 15 moved up and down to a predetermined height by the first elevating chain 22 with respect to a predetermined shelf portion 19 of the support frame 20. Feeding mechanism that feeds horizontally (collection conveyor 21
Is driven by the second electric motor M2) is supported by the base 24 via the support frame 23, and the first electric motor M1 of the first elevating chain 22 and the recovery conveyor. A control device 25 for driving and controlling the second electric motor M2 of 21 is provided and configured.

The recovery work is performed as follows. In the recovery operation state shown in FIG. 2, the vertical feed belt 6 of the horizontal feed table 2 and the conveyor 1 are driven in the opposite directions. As a result, the seedling raising box 15 of the support rail 3 is placed on the support roller 5 by the vertical feed belt 6, and the operator pushes the seedling raising box 15 along the support roller 5 of the horizontal feed table 2 to the center side. It is moved (upward and downward in the plane of FIG. 1) and pushed out from the support roller 5 to the conveyor 1 (FIGS. 1 and 2).
(Left side of the page). Then, the nursery box 15 is the conveyor 1
Sent from the nursery box collection device A.

As shown in FIG. 6, the nursery box collecting device A
When the seedling raising box 15 is placed on the recovery conveyor 21 of No. 1, the recovery conveyor 21 is slightly moved up by the control of the control device 25, and is placed on the lowermost shelf 19 (positioned on the right rear side of the loading platform as described above). Opposite, the second electric motor M2 is driven to feed the seedling raising box 15 to the shelf 19. And recovery conveyor 2
1 descends to the original position, the subsequent seedling raising box 15 is placed and raised again, and the seedling raising box 15 is sent to the second stage shelf 19. By repeating this, the feeding of the seedling raising box 15 to the uppermost shelf 19 on the right rear side of the loading platform is completed. Next, it descends and again faces the lowest shelf 19, and the shelf 19 is placed on the shelf 19.
Send. The seedling raising box 15 sent earlier on the shelf 19 is pushed by the succeeding seedling raising box 15, moves to the lowermost shelf 19 side on the left rear side of the loading platform, and replaces the moved seedling raising box with the succeeding seedling raising box 15. The nursery box 15 is located on the lowermost shelf 19 on the right rear side of the loading platform. By repeating this, the uppermost shelf 19 on the left rear side of the loading platform
The feeding of the nursery box 15 up to is completed. After that, the transport vehicle 13 is slightly retracted, the nursery box collection device A is opposed to the shelf 19 on the front side of the loading platform, and the nursery box 15 is sent to the shelf 19 in the same manner.

[Other Embodiment] As shown in FIG. 7 and FIG.
The nursery box 15 sent by the conveyor 1 is placed on the tilting table 35.
The intermediate holding mechanism 26, which receives via the auxiliary conveyor 37, sequentially moves upward or downward and holds them at a predetermined vertical interval, and the plurality of seedling raising boxes 15 held by the intermediate holding mechanism 26, the intermediate holding mechanism 26. The feeding mechanism 27 for horizontally feeding the seedling raising box 15 held in the vertical direction to the shelf portion 19 formed in the support frame 20 at an interval equal to the vertical interval.
May be supported by a base 24 to constitute the seedling raising box collecting device A.

The intermediate holding mechanism 26 is constituted by a pair of members that allow the seedling raising box 15 to move upward and prevent the seedling raising box 15 from moving downward by abutting the seedling raising box 15. A frame body 30 provided with stoppers 28 over a plurality of upper and lower stages;
Receive the nursery box 15 sent by the conveyor 1,
Four chain drive type elevators that lift upward along the frame 30 while supporting the respective corners of the seedling raising box 15 and sequentially retain and hold the seedling raising box 15 from the uppermost locking piece 28. A stop member (an example of a lifting support) 29 is provided.

As shown in FIG. 7, FIG. 8 and FIG. 9, the locking pieces 28 of each step are U-shaped in plan view, and both ends are supported by a frame body 30 rotatably around the horizontal axis. The locking piece 28
3 that regulates the downward swing from the horizontal posture of
1 is provided on the frame body 30 to allow the upward movement of the seedling raising box 15 as described above, and a pair of them is used to mount and support the lower left and right sides of one seedling raising box 15. is there.
The elevating and lowering locking member 29 is connected to the pair of vertical elevating second elevating chains 38 supported by the frame 30 on the back side thereof.

That is, the raising / lowering locking member 29 receives the seedling-raising box 15 sent by the conveyer 1 and lifts it upward, and pushes the locking piece 28 of the frame 30 to push the seedling-raising box 15 away from the seedling-raising box 15. Is positioned on the upper side of the uppermost locking piece 28, and is then lowered a little, and the downward movement of the seedling raising box 15 is blocked by the locking piece 28 and held. In the same manner, the next seedling raising box 15 is locked to the second locking piece 28 from the top, and by repeating this, the seedling raising box 15 is held over all stages.

As shown in FIG. 7, the feeding mechanism 27 is provided.
Is a plurality of upper and lower stages of horizontal pushers 32 corresponding to the shelves 19, a pusher frame 36 that supports the pushers 32 in a comb shape, and all pushers 32 are driven to move toward and away from the shelves 19 at once. The rack and pinion mechanism 33 is supported by the frame body 30 in a cantilevered manner.

A control device 34 for driving and controlling the first electric motor M1 which is the drive portion of the second lifting chain 38 and the third electric motor M3 which is the drive portion of the rack and pinion mechanism 33 is provided. Under the control of the control device 34, the nursery box collection device A operates as follows.

Elevating support member 29 of the nursery box collecting device A
When the seedling raising box 15 is locked, the raising / lowering support member 29 rises and operates as described above to place and support the seedling raising box 15 on the locking pieces 28 of all stages. Next, the rack and pinion mechanism 33
Is operated, the pusher 32 sends out the seedling raising box 15 supported by each locking piece 28 all at once to the shelf portion 19 on the left rear side of the loading platform (see FIGS. 10A and 10B). In the same manner, after mounting and supporting the seedling raising box 15 on the locking pieces 28 of all stages, the rack and pinion mechanism 33 operates, and the pusher 32 holds the seedling raising box 15 supported by each locking piece 28. With a stroke shorter than the previous time, it is sent all at once to the shelf 19 on the right rear side of the loading platform. After that, the carrier 13 is slightly retracted, the nursery box collecting device A is opposed to the shelf 19 on the front side of the loading platform, and the shelf 19 on the front side of the loading platform is also subjected to the same method as the nursery box 15
Send.

The seedling raising box collecting apparatus A according to the present invention may be arranged on the lower side of the support rail 3 so that the expanded seedling raising box 15 is collected on the lower side of the support rail 3.

The elevating mechanism may be composed of an elevating table which is hydraulically moved up and down.

In the first embodiment, the support 21
May be formed in a table shape that can be moved up and down, and the feeding mechanism may be configured by a pusher that is laterally movable separately from the support body 21.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the accompanying drawings.

[Brief description of drawings]

[Figure 1] Overall plan of a nursery facility

[Figure 2] Overall side view of the nursery facility

FIG. 3 is a plan view of the surroundings of a transport vehicle during recovery work.

FIG. 4 is a side view showing a nursery box collection device.

FIG. 5 is a front view showing a nursery box collecting device.

FIG. 6 is a side view showing a procedure for collecting a nursery box.

FIG. 7 is a side view of another embodiment.

FIG. 8 is a front view of another embodiment.

FIG. 9 is a vertical sectional front view of a locking piece.

[Fig. 10] (a) A diagram showing a holding state of a plurality of nursery boxes (b) A diagram showing a feeding state of the nursery boxes by a feeding mechanism

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor mechanism 15 Nursery box 17 Stopper 19 Holding part 20 Support frame 21 Support body 22 Lifting mechanism 26 Intermediate holding mechanism 27 Feeding mechanism 28 Locking piece 29 Lifting support part 30 Frame body

Claims (3)

[Claims] 1. A support (21) for receiving a nursery box (15) sent by a conveyor mechanism (1), and this support (2).
Lifting mechanism (22) for lifting 1) and raising and lowering box (15) raised and lowered to a predetermined height by this lifting mechanism (22)
And a shelf-like holding portion (19) formed on the support frame (20)
And a feeding mechanism for feeding the seedlings in a horizontal direction to the nursery box collecting device. 2. An intermediate holding mechanism (26) for receiving a seedling raising box (15) sent by a conveyor mechanism (1), sequentially moving it upward or downward, and holding it at a predetermined vertical interval.
A plurality of seedling raising boxes (15) held by the intermediate holding mechanism (26) are provided with support frames (20) at intervals equal to the vertical spacing of the seedling raising boxes (15) held by the intermediate holding mechanism (26).
And a feeding mechanism (27) for horizontally feeding the shelf-shaped holding portion (19) formed in the above. 3. The intermediate holding mechanism (26) is configured so that the nursery box (15) is allowed to move upward and the nursery box (15) is moved downward. A frame body (30) having a locking piece (28) which is blocked by contact with
Elevating to receive and raise the seedling raising box (15) sent by the conveyor mechanism (1) along the frame (30) and sequentially lock and hold the seedling raising box (15) from the locking piece (28) at the upper position. The nursery box collection device according to claim 2, further comprising a support portion (29).