JPH0699029B2 - Working equipment for raising seedlings - Google Patents

Description

TECHNICAL FIELD The present invention relates to a work apparatus for raising seedlings.

"Conventional technology" Normally, mat-like seedlings used for planting work with rice transplanters are grown in a seedling raising facility. Raising mat-like seedlings at the nursery
Supply one empty nursery box at the beginning of the sowing conveyor, fill the soil with soil, water, seed, cover the soil, stack or shelf the nursery boxes and put them in the germination room. Three
Heat and humidify with steam for a day to germinate, and then stack or shelve to put a nursery box containing the germinated seedlings in a greening room to green the seedlings.

"Problems to be solved by the invention" When seeding boxes are supplied by driving the seeding conveyor during the work of replacing the shelf car, the seedling growing boxes are sent one after another and cannot be placed on the seeding conveyor, and the seedling conveyor cannot be mounted. Since it falls, the seeding conveyor must be stopped or the transfer speed must be slowed down, which reduces the work efficiency at the seedling raising facility.

When the nursery box is transferred to the shelf, if pusher push-out is uncertain, transfer to the shelf may not be possible.

When the nursery box containing the bed soil is transported, the bed soil is biased due to a shock during transportation, which causes a stock loss when planting seedlings.

"Means to be Solved by the Invention" In view of the above circumstances, the present invention improves the work efficiency of a seedling raising facility without stopping the transport on the seeding conveyor or slowing the transport speed, and also pushes to a shelf. In order to transfer the nursery box surely, and to minimize the unevenness of the soil of the nursery box during transportation and to avoid the stump when planting seedlings, the transport direction of the nursery box is changed 90 degrees to the end of the seeding conveyor. In addition to installing a direction changing device, a shelf elevator that stacks multiple nursery boxes that are sent downstream of this direction changing device at a specified interval and all of the stacked nursery boxes after the completion of stacking on the shelf elevator are simultaneously used as a shelf car. A push-out pusher is provided, and the stacking nursery box separating device that separates the stacked nursery boxes one by one by replacing the direction changing device and sends the nursery boxes to the shelf elevator can be replaced. It is a Noh play.

"Working" The seedling raising boxes that have passed through the sowing conveyor are changed in the conveying direction by 90 degrees, stacked at predetermined intervals on a shelf elevator, transferred to a shelf cart by pushers, and germinated and grown on the shelf.

Further, the seedling raising and seeding boxes that have been seeded and stacked and germinated are separated by a stacking and raising box separating device, piled up at predetermined intervals by a shelf elevator, and put into a shelf cart by a pusher to grow on a shelf.

“Example” As shown in FIG. 1, empty seedling raising boxes B are supplied from the seedling raising box feeding device 1 to the starting end of the seeding conveyor 2 one by one with the longitudinal direction thereof oriented in the conveying direction, and the bed soil supplying device 3 More bed soil is added, water is sprinkled from the irrigation device 4, seeded from the seeding device 5, covered with soil from the soil covering device 6, and the seedling raising box B is conveyed to the end of the seeding conveyor 2.

When the seedling raising box B is conveyed from the end of the seeding conveyor 2 to the direction changing device 11 and the seedling raising box B comes into contact with the limit switch 12, the conveying conveyor 14 provided with the locking device 13 is driven to move the seedling raising box B 90 degrees in the conveying direction. It is changed and conveyed in the lateral direction, and is received in the shelf elevator 15 equipped with a lifter.

Shelf elevator 15 goes up one stage when one nursery box B comes up, and then sends one box up again, and raises one stage again to raise nursery box B 15
Pile up the boxes at the specified intervals. When 15 boxes of nursery boxes B ... are stacked, all 15 boxes are pushed out by the pusher 16 and delivered to the shelf cart 17 having shelves at predetermined intervals which are on standby.

On the other hand, a small rectangular frame with stacked seedling boxes B ...
A transport carriage 23 having wheels 22 on 21 moves on a conveyor 24 and reaches a portion where the seedling raising boxes B ... Are separated from the transport carriage 23. Then, the chain conveyor 25 is lifted by the cylinder 26 in the frame 21 of the carrier vehicle 23 to lift the stacked seedling raising boxes B ..., and when they are flush with the stacked seedling raising box separating device 30, it stops.
The chain conveyor 25 is driven to move the nursery box B ... to the nursery box separating device 30.

The carrier truck 23 to which the seedling raising box B has been moved is collected by the conveyor 24 through the receiving section 27 and the collecting section 28.

Next, the stacked nursery boxes B ... are slightly lifted by raising the conveyor 31, the locking claws are operated to lock the second nursery box B ... from the bottom, and the second nursery box B from the bottom. Hold. After that, the conveyor 31 descends with only one of the seedling raising boxes B at the bottom end. Then, the seedling box B separated at the bottom
Are transported by the transport conveyor 14 and received by the shelf elevator 15 equipped with a lifter. When one seedling raising box B comes up, the shelf elevator 15 goes up by one step, and when it comes up by one box, the seedling raising boxes B are piled up in order of 15 steps at a predetermined interval.
When 15 boxes of nursery boxes B ... are stacked, all 15 boxes are pushed out by the pusher 16 and delivered to the shelf cart 17 having shelves at predetermined intervals which are on standby.

If the stacked seedling raising box separating device 30 is made detachable at the seedling raising facility, it can be used for various work forms. Further, by replacing the transport section with the stacked seedling raising box separating device 30 and the transport section without the stacked seedling raising box separating device 30,
It can be used in two methods, a shelf germination method and a stacked germination method.

Next, the direction changing device 11 and the stacked seedling raising box separating device 30 will be described in detail.

As shown in FIG. 2, the roller 29 is forcibly driven by a motor in the conveying direction of the seeding conveyor 2. The seedling raising box B that has entered the direction changing device 11 from the end of the sowing conveyor 2 is conveyed by the rollers 29, and when its tip comes into contact with the limit switch 12, the conveying conveyor 14 is provided with a locking device 13 to reach a predetermined interval.
To drive. In this way, the seedling-raising box B is conveyed in the longitudinal direction, but is conveyed in the lateral direction.

Next, the nursery box stacking / separating device 30 will be described in detail.

As shown in FIGS. 3, 4, and 5, the seedling-raising box B stacked from the separating section for separating the seedling-raising box B ... …
Have been sent to the stacked seedling box separating device 30. The stacked nursery boxes B ... are slightly raised by raising the conveyor 31, and the locking claws 32 are operated to lock the second nursery box B ... from the bottom and the second or more nursery box B from the bottom. Hold. After that, the conveyor 31 descends with only one box of the seedling raising box B at the bottom end. The separated seedling-raising box B at the lowermost end is conveyed by a conveying conveyor 14 that passes through the front and rear ends of the conveyor 31 in an orthogonal manner, and is received in a shelf elevator 15 equipped with a lifter. Shelf elevator 15 goes up one step when one seedling box B comes, then 1
When the boxes come, stack 15 seedling boxes B in a predetermined interval one by one again. When 15 boxes of nursery boxes B are piled up, all 15 boxes are pushed out by the pusher 16 and delivered to the shelving cart 17 having shelves set at predetermined intervals waiting.

In the stacked seedling raising box separating device 30, the thus raised stacked seedling raising boxes B ... Are driven by the conveyor 31 for lifting up, driving the locking claws 32, and driving the conveyor 14.

That is, the conveyor 31 provided with the rollers 34, the locking claw 32 and the transfer conveyor 14 are driven by gears housed in one gear box.

The conveyor 31 is driven up by the drive motor 36 to hold the conveyor 31 upward via the link 37, the locking claw 32 is driven via the chain 38, and the transport conveyor 14 is driven via the chain 39.

The drive section of the transfer conveyor 14 is as shown in FIG. 6, and its details are shown in FIG. That is, the power transmitted from the motor 36 to the input shaft 41 is transmitted to the transport conveyor 14 from the output shaft 44 via the output shaft 42 and the intermediate shaft 43. The input shaft 41, the output shaft 42, the intermediate shaft 43, and the output shaft 44 are housed in the gear box 35, and the input shaft 41, the output shaft 42, and the output shaft 44 have the ball bearings 45, 46, and 47 interposed therebetween. 35
The intermediate shaft 43 is rotatably supported inside and fixedly installed on the gear box 35. The intermittent gear 51 is fixed to the input shaft 41 via the key 52 and meshes with the gear 54 fixed to the output shaft 42 via the key 53. Similarly, the gear 55 fixed to the output shaft 42 by the key 53 is interposed via the bearing 56. Meshes with a gear 57 rotatably provided on the intermediate shaft 43, and the gear 57 is fixed to the output shaft 44 and fixed to the gear 58.
The sprocket 59 fixed to the tip of the output shaft 44 drives the transfer conveyor 14 via the chain 39.

Due to the intermittent gear 51 of the output shaft 41, the rotational power of the motor 36 may or may not be transmitted to the conveyor 14.
When the intermittent gear 51 meshes with the gear 54, power is transmitted and the conveyor 14 moves forward. When the intermittent gear 51 does not mesh with the gear 54, power is not transmitted in the state shown in FIG. 14 is stopped.

The person who transfers the seedling raising box B from the seeding conveyor 2 to the shelf cart 17 via the direction changing device 11 is a shelf germination method, and the person who passes the seedling raising box B to the shelf cart 17 via the seedling box separating device 30 is a seedling box separator. This is a stacked germination method in which the seeds are stacked and germinated on the upstream side of the device 30.

"Effect of the invention" As described above, the present invention transfers the seedling raising boxes with a pusher after stacking them at predetermined intervals in the shelf elevator and then stacking them by a pusher. Even if the seeding box is driven by supplying the seedling raising box, the seedling raising box does not drop from the seeding conveyor, and the seeding conveyor is stopped or the transfer speed is slowed down. Without this, the work efficiency at the seedling raising facility is improved.

Further, when the seedling raising box is transferred to the shelf, the pusher abuts in the longitudinal direction of the seedling raising box, so that the pusher pushes the wider part of the seedling raising box, so that the pusher pushes it to the shelf surely. In addition, the transfer direction of the seedling raising box on the sowing conveyor and the direction of shelving are offset by 90 degrees, so unevenness of the bed soil due to shocks during transfer is dispersed, and the number of missing plants during seedling planting is reduced. .

The present invention, when inserting the nursery box into the shelf car by mechanization, in order to minimize the occurrence of stump planting in rice planting work, the transport direction of the seeding machine and the transport direction of the nursery box in the transport conveyor are 90. By converting the degree, the unevenness of the floor soil can be dispersed by transportation, and at the same time, a plurality of deliveries from the shelf elevator to the shelving are performed at the same time. It is possible to carry out a series of work without lowering work efficiency.

[Brief description of drawings]

1 is a plan view showing an outline of a seedling raising facility of the present invention, FIG. 2 is a plan view of a direction changing device, FIG. 3 is a front view of a stacked seedling raising / separating device, FIG. 4 is a plan view of FIG. FIG. 5 is a side view of FIG. 3, FIG. 6 is a schematic view of a drive unit of a nursery box carrying conveyor, and FIG. 7 is a vertical cross-sectional view of a main part in a gear box. 3 …… Soil supply device 4 …… Water supply device 5 …… Sowing device 6 …… Soil cover device 2 …… Sowing conveyor B …… Sprouting box 11 …… Direction changing device 15 …… Shelf elevator 16 …… Pusher 30 …… Stacked seedling box separation device

Claims (2)

[Claims] 1. A direction changing device for changing the conveying direction of a nursery box by 90 degrees is provided at the end of a seeding conveyor equipped with a bed soil supplying device, a watering device, a sowing device, a soil covering device, etc., and downstream of this direction changing device. A working apparatus for raising seedlings, which is provided with a shelf elevator for stacking a plurality of fed nursery boxes at a predetermined interval and a pusher for simultaneously pushing out all the stacked seedling raising boxes on the shelf elevator to a shelf car. 2. A stacking nursery box separating device for separating the stacked nursery boxes one by one in place of the direction changing device and sending the nursery boxes to the shelf elevator is replaceable. Working device for raising seedlings as set forth in claim 1.