JPH07323924A - Seedling raising box carrier - Google Patents

Abstract

PURPOSE:To prevent the attitude of seedling raising box group from collapsing in the case of mounting a following seedling raising box group in the seedling raising box group having decreased to a fixed number by aligning the upper and lower positions of both the seedling raising box groups among a connecting faces extending from the side of seedling raising box group where a locking section locks over the side of the seedling raising box group where lowering carriage has finished. CONSTITUTION:With the release of locking between the locking part 15 of both chain mechanisms 14 and a seed raising box on the lowest stage of seedling raising box group 2, two connecting faces opposite mutually in a lateral direction among connecting faces extending the side of the seedling raising box group 2 where the locking part 15 locks over the side of the seed raising box group 2 where lowering carriage has finished are mutually pressed by an alignment mechanism 25 for aligning the vertical positions of both seedling raising box group 2. Thus, since the collapse of the attitude of the seed raising box group 2 in the case of the seedling raising box group 2 where the following seedling raising box group 2 is decreased to a fixed number can be prevented, a seedling raising box carrier which can smoothly feed-in in the case where the seedling raising box 2a is fed one box by one box to a sowing plant side in following process can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive wheel body and a free wheel body which are arranged on an upper floor side of a building for storing a large number of nursery boxes and a lower floor side of a building including a sowing plant. A pair of chain-forming mechanism is provided so as to face each other with a space therebetween, and a seedling-growing box group formed by stacking a plurality of seedling-raising boxes is positioned between both chain mechanisms. Locking portions for locking the seedling raising box at the bottom of the group to support the seedling raising group are provided in the chains of both the chain mechanisms, respectively, and the state where the raising portion supports the seedling raising group, The present invention relates to a nursery box transporting device for transporting the group of nursery boxes down from the upper floor side of the building toward the seeding plant on the lower floor side as the chain mechanism is driven.

[0002]

2. Description of the Related Art The above-mentioned seedling raising box transporting device transfers the lowered seedling raising box group to a single box feeding unit below the seedling raising box transporting device. And sent to the seeding conveyor. In this case, when the supply of seedling raising boxes of the preceding seedling raising box group to the seeding conveyor of the seedling raising group in the one box supply unit is completed and the seedling raising group of the seedling raising group of the succeeding seedling raising group is supplied to the seeding conveyor, , In order to be able to supply without interruption at the same pace as the supply of seedling raising boxes in the preceding seedling raising group, when the number of seedling raising groups in the seedling raising group in the one box supply unit reaches a certain number, subsequent seedling raising groups The box group is lowered and transported by the nursery box transport device,
This is placed on the seedling raising box group having a certain number of boxes.

In the above-mentioned seedling raising box transporting apparatus in which the drive timing is set in the above-described manner, conventionally, a drive wheel or an idle wheel on the lower floor of the building (hereinafter abbreviated as a lower floor wheel). To
Located slightly higher than the uppermost seedling raising group of the seedling raising group that has been reduced to a certain number of boxes, the locking portion that flips around the lower floor wheel is not to interfere with the uppermost seedling raising box. The lower limit of the locking portion was set at a position spaced apart from the uppermost seedling raising box to some extent. Then, by reversing the locking part around the lower floor side wheel body, the locking of the subsequent nursery box group by the locking part is released, and the subsequent nursery box group is placed on the nursery box group. I was doing.

[0004]

However, according to the above-mentioned conventional structure, the lower limit of the locking portion is located at a position slightly above the uppermost seedling raising box of the seedling raising group which has been reduced to a certain number of boxes. Since the seedling raising group has been set, the subsequent seedling raising group is released from the lock, and then dropped and placed toward the seedling raising group that has decreased to a certain number, and as a result, the impact during placement At that time, the posture of the nursery box group collapsed, and when feeding the nursery boxes one by one to the seeding plant in the subsequent process, it was difficult to feed them smoothly.

The object of the present invention is to provide the following group of nursery boxes.
It is possible to prevent the posture of the nursery box group from being collapsed when it is placed in the certain number of nursery box groups, and when sending the nursery boxes one by one to the sowing plant in a later step, perform smooth feeding. It is to provide a nursery box transporting device capable of performing the above.

[0006]

A feature of the present invention is that a nursery box in which the locking portions are locked as the locking portions of both chain mechanisms and the nursery box are released. From the side of the flock,
Among the connecting surfaces across the side surface of the nursery box group that has already been lowered and transported, there is provided a positioning mechanism for pressing the two connecting surfaces facing each other in the lateral direction to align the upper and lower positions of both nursery box groups, The effect is as follows.

[0007]

[Operation] As the locking portions of both chain mechanisms and the lowermost seedling raising box of the seedling raising group are released, from the side surface of the seedling raising group already locked, Of the connection surfaces that extend over the side surfaces of the nursery box group that has finished descending and transporting, the two connection surfaces facing each other in the lateral direction are pressed by the alignment mechanism to align the upper and lower positions of both nursery box groups. Can be prevented from collapsing the posture of the seedling raising box group when the seedlings are placed on the seedling raising group group reduced to a certain number.

[0008]

EFFECTS OF THE INVENTION Therefore, it is possible to prevent the posture of the nursery box group from being collapsed when the subsequent group of nursery box groups is reduced to a certain number. It was possible to provide a seedling raising box transporting device capable of smooth feeding when feeding boxes one by one.

[0009]

EXAMPLE As shown in FIG. 4, a seeding plant 1 is provided on the first floor of a building, and a seedling raising box supply section 3 for the seeding plant is provided on the second floor for storing a large number of seedling raising boxes 2a. Between,
A seeding center is configured by providing an elevating device 4 for descending and transporting the seedling raising box 2a from the seedling raising box supply unit 3 for the seeding plant to the seedling plant 1 side.

The seeding plant 1 comprises a bed soil supply device 1a, a watering device 1b, a seeding device 1c, and a soil covering device 1d which are provided above a seeding conveyor 5 which conveys a seedling raising box 2a in order from the hand side in the conveying direction. I am doing it.

As shown in FIG. 3, the nursery box feeding section 3 is provided.
Is a plurality of nursery box group supply conveyors 6 that are arranged in parallel, and a large number of nursery box groups 2 each consisting of 30 stacked nursery box 2a are formed to form a group of nursery box groups. One feeding conveyor 7 for receiving the nursery box group 2 on the group feeding conveyor 6 and transporting it to the lifting device 4 is provided with a nursery box group feeding conveyor 6 located at one end of the nursery box row group.
To the nursery box group supply conveyer 6 located at the other end from the other end so as to be orthogonal to the nursery box group supply conveyor 6 at one end side thereof.

As shown in FIG. 4, the lifting device 4 is a first chain mechanism in which a chain 9c is wound around a drive wheel 9a and a free wheel 9b which are arranged on the first and second floors of a building. 9 in pairs at two locations in the axial direction of both wheels 9a, 9b,
The seedling raising box group 2 is provided so as to face each other with a space provided therebetween.
Is positioned between the opposing first chain mechanisms 9, and the first locking piece 10 that supports the seedling raising group 2 by being locked to the lowermost seedling raising box 2a of the seedling raising group 2 is placed. , The chains 9c of both chain mechanisms 9 are provided respectively.

Around the upper end of the elevating device 4, the nursery box group 2 conveyed by the progressive conveyer 7 is provided with rollers 19a.
Extruding conveyor 1 that feeds to lifting device 4 by driving
9 and the nursery box group 2 together with this extrusion conveyor 19,
A push-out unit 20 is provided for feeding the elevator arm 20a to the lifting device 4.

Around the lower end of the elevating device 4, one box feeding unit 8 for feeding the seedling raising boxes 2a of the seedling raising box group 2 unloaded by the elevating device 4 to the seeding conveyor 5 side one by one.
Is provided.

As shown in FIG. 2, the single box feeding unit 8 includes a support base 11 on which the seedling raising box group 2 lowered by the elevating device 4 is placed and supported, and the seedling raising box group 2 on the support table 11. Supports the pusher section 12 pushed out in the lateral direction, the nursery box transporting device 13 for receiving and further transporting the nursery box group 2 pushed out by the pusher section 12, and the nursery box group 2 lowered and transported by the nursery box transport apparatus 13. It is composed of a single box separating unit 23 which drops each box downward and an auxiliary conveyor 22 which sends the seedling raising boxes 2a dropped from the single box separating unit 23 to the seeding conveyor 5.

The idler roller 1 is provided on the upper surface of the support base 11.
1a is provided to facilitate feeding of the nursery box group 2 to the nursery box carrier device 13.

The pusher section 12 comprises a standing wall 12a having a height substantially equal to that of the 30 nursery box groups 2 provided on the support 11 so as to be slidable toward the nursery box carrier 13 side. .

As shown in FIGS. 1 (a), 1 (b) and 2, the seedling raising box transfer device 13 has drive wheels 14a and idler wheels which are arranged on the second floor side and the first floor side of the building. The second chain mechanism 14 formed by winding the chain 14c around the body 14b is provided at two positions in the axial direction of the two wheels 14a and 14b, one pair at a time, facing each other with a space therebetween, and the seedling raising group 2 is formed. , A second locking piece 15 (of the locking portion) which is positioned between the opposing second chain mechanisms 14 and supports the seedling raising box group 2 by being locked to the lowermost seedling raising box 2a of the seedling raising box group 2. 1) is provided in each of the chains 14c of both chain mechanisms 14, and the second raising mechanism 15 drives the second raising mechanism 14 in a state where the second raising mechanism 15 supports the raising seedling group 2 in a descending manner. It is configured to do.

Then, both of the second chain mechanisms 14 are constructed so as to be swingable around their upper ends so that the distance between their lower ends can be changed, and the nursery box group 2 is formed on the second floor side of the building. From the first to the first floor side, it comes into contact with the uppermost seedling raising box 2a of the seedling raising group 2 already on the first floor that has already been lowered and conveyed, and the second engagement mechanism of both second chain mechanisms 14 is contacted. In order to release the lock between the stopper 15 and the seedling raising box 2a,
Cam surface 16 for swinging the chain mechanism 14 around the upper end
Are formed on the second locking pieces 15 of both the second chain mechanisms 14.

Further, as the second locking pieces 15 of both the second chain mechanisms 14 and the seedling raising box 2a are released from each other, the second raising pieces 15 lock the seedling raising box group 2 together. From the side surface of the seedling raising box group 2 which has already been lowered and transported, a positioning mechanism 25 for pressing the two connecting surfaces facing each other in the lateral direction to align the upper and lower positions of both seedling raising group groups 2 with each other. It is provided.

The position adjusting mechanism 25 is constructed by providing a push plate 27, which can be brought into contact with the connecting surface, on the cylinder 26 so as to be able to move toward and away from the nursery box group 2.

Further, a potentiometer S for detecting the swing angle of the chain mechanism 14 is provided, and a control device 18 for driving and controlling the cylinder 26 based on the detection result of the potentiometer S is provided. The control device 18 is also configured to be able to control driving of the second chain mechanism 14 and driving of sliding movement of the standing wall 12a of the pusher portion 12.

As shown in FIG. 2, the one-box separating section 23 is
The lowermost seedling raising box 2a of the seedling raising box group 2 and the seedling raising box 2a one step higher than the seedling raising box 2a are provided with a claw portion 24 composed of a pair of upper and lower claw plates 24a that can support and release the support, respectively. It is provided on both sides of. That is, with the lowermost nail plate 24a supporting the lowermost nail plate 2a, the lower nail plate 2a is supported by the nail plate 24a. Lower row nursery box 2a
Only the claw plate 24a that has released the support of the seedling raising box 2a is positioned above the other claw plate 24a, and the seedling raising box 2a that is one step higher than the seedling raising box 2a that is the bottom stage is again removed. By supporting and repeating this action,
The nursery boxes 2a are continuously dropped one by one onto the auxiliary conveyor 22. The one-box separating unit 23 is provided with a box number detection sensor (not shown) that detects that the number of the nursery boxes 2a of the nursery box group 2 on the one-box separating section 23 has decreased to a certain number. .

The nursery box transporting device 13 having the above-mentioned configuration
When the number of the nursery box 2a of the nursery box group 2 on the one-box separating unit 23 decreases to a certain number, the subsequent nursery box group 2 waiting at the lower end of the elevating device 4 is received and lowered. Transport
By placing the seedlings in the seedling raising group 2 reduced to a certain number, a large number of seedling raising boxes 2a can be continuously supplied to the seeding plant 1. To execute control.

Nursery box 2 of nursery box group 2 on one box separating section 23
a is sent to the auxiliary conveyor 22 one by one, and when the number decreases to a fixed number, the box number detection sensor detects it, and based on this detection result, the second chain mechanism 14 is driven for a fixed time. Then, the second locking piece 15 is positioned slightly below the support base 11. Standing wall 12 of pusher section 12
a slides on the support 11 and pushes out the subsequent nursery box group 2 standing by at the lower end of the lifting device 4 to the nursery box carrier 13 side, as shown in FIG. The seedling raising box group 2 is supported by the second locking pieces 15. When this support is made, the standing wall 12a retreats to its original position, and at the same time, the second chain mechanism 14 is re-driven, and the succeeding seedling raising group 2 is lowered and conveyed. With the descending conveyance, the cam surface 16 of the second locking piece 15 of the second chain mechanism 14 comes into contact with the uppermost seedling raising box 2a of the seedling raising group 2 whose number has decreased to a certain number, and as shown in FIG. As shown in (b), the second chain mechanism 14 is swung around the upper end portion. As a result, both second chain mechanisms 1
The second locking piece 15 of No. 4 and the seedling raising box 2a are unlocked. At that time, based on the detection result of the potentiometer S, the push plate 27 of the alignment mechanism 25 projects from the cylinder 26 toward the nursery box group 2, and the second locking piece 15 locks the nursery box group 2. Of the connecting surfaces extending from the side surface to the side surface of the nursery box group 2 that has already been lowered and conveyed, two connecting surfaces facing each other in the lateral direction are pressed to align the upper and lower positions of both nursery box groups 2. In this way, the succeeding seedling raising group 2 is placed on the seedling raising group 2 reduced to the predetermined number while aligning the upper and lower positions of both seedling raising groups 2.

[Other Embodiments] As shown in FIGS. 5A and 5B, as both second chain mechanisms 14 swing around their upper ends, the seedling raising group 2 is moved to both second chains. The support member 28 supported from the mechanism 14 side may be extended upward from the upper ends of the second chain mechanisms 14. This support member 28 is a second
Even if the chain mechanism 14 swings, it is connected to the upper ends of both second chain mechanisms 14 so that the posture along the nursery box group 2 can be maintained. According to this structure, it is possible to prevent the subsequent seedling raising group 2 from wobbling, and to place the succeeding seedling raising group 2 smoothly on the preceding seedling raising group 2.

It should be noted that reference numerals are added to the claims to facilitate the comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

[Fig. 1] (a) Front view of the nursery box transporting device in a state where the nursery box group is locked and supported. (B) Front view of the nursery box transporting device in a state where the nursery box group has started to be unlocked.

[Fig. 2] Overall side view of one box supply unit

[Figure 3] Plan view of the nursery box supply section

[Fig. 4] Overall side view of the seeding center

FIG. 5 (a) Front view of another embodiment (b) Front view of another embodiment

[Explanation of symbols]

 1 Seeding plant 2 Nursery box group 2a Nursery box 14 Chain mechanism 14a Drive wheel 14b Idler wheel 14c Chain 15 Locking part 25 Positioning mechanism

Claims (1)

[Claims] 1. A drive wheel body (14a) and idler wheels, which are separately arranged on an upper floor side of a building that stores a large number of seedling raising boxes (2a) and a lower floor side of a building including a seeding plant (1). A group of raising seedlings (2a), which is a pair of chaining mechanisms (14) formed by winding a chain (14c) around a body (14b) so as to face each other with a space therebetween. A member for supporting the seedling raising group (2) by locking the seedling raising group (2) between the two chain mechanisms (14) by locking it to the lowermost seedling raising group (2a) of the seedling raising group (2). Stop (1)
The chains (14c) of both the chain mechanisms (14) are provided respectively, and the locking mechanism (15) supports the seedling raising group (2) while the chain mechanisms (14) are driven. A nursery box carrier for lowering and transporting a group of nursery boxes (2) from the upper floor side of the building toward the seeding plant (1) on the lower floor side of the building, wherein the locking parts () of the chain mechanisms (14) ( As the locking between 15) and the seedling raising box (2a) is released, the descending conveyance has already ended from the side surface of the seedling raising group (2) locked by the locking portion (15). Among the connecting surfaces extending over the side surfaces of the nursery box group (2), two alignment surfaces facing each other in the lateral direction are pressed to align the upper and lower positions of both nursery box groups (2) with a positioning mechanism (25). Box transfer device.