JPH06113620A - Device for feeding seedling-raising box - Google Patents

Abstract

PURPOSE:To provide a device of a simple structure capable of surely sending seedling-raising boxes stored in a plug tray by arranging a belt conveyor and a transporting roller between a right and a left supporting frame. CONSTITUTION:A belt conveyor 4 for placing and sending forward seeding- raising boxes 3 and a transporting roller 6 which projects above the conveyor, places the rear part of the seedling-raising boxes and sends forward are arranged between a right and a left supporting frames 2, A controlling member 5 for regulating forward movement of a large number of the seedling-raising boxes placed in a layer state on the second sheet or higher on a conveyor 4 is installed on the supporting frames. The rear part of the seedling-raising boxes is transferred from the transporting roller to the belt conveyor by the forward movement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursery box feeding device for automatically feeding a nursery box to a soil filling device or the like.

[0002]

2. Description of the Related Art For example, when laying a bed soil with a soil-growing device in a nursery box containing a nursery box or a plug tray, the feeding of the nursery box to the soil-growing device is automated in order to automate the soil-filling operation. There is a need. This kind of conventional nursery box feeder is
A pair of receiving members is provided on the left and right support frames of the belt conveyor, which is provided with a storage frame for accommodating a large number of nursery boxes in a stacked state, and which receives the first and second or more nursery boxes. Independently swingable, with the upper support member receiving the second or more seedling raising boxes, the lower support member is activated to release the first seedling raising container and send it out. After sending it out, the upper supporting member is released, the second or more seedling raising boxes are dropped, the new first seedling raising box is received by the lower holding member, and then the new second or more seedling raising boxes are raised. It is designed to be received by a receiving member.

[0003]

The above-mentioned prior art has the advantage that it can be arranged as it is on the transport mechanism of the existing soil-filling device, but it has a complicated mechanism such as independently swinging the pair of receiving members. In addition, since the side flange of the nursery box is locked by the receiving member, in the case of the nursery box containing the plug tray, the plug tray may cause a locking error.

The present invention provides a seedling raising box supply device which has a simple structure of only a belt conveyor and a feeding roller protruding upward from the belt conveyor so that a seedling raising box containing a plug tray can be surely fed out. To aim.

[0005]

A concrete means for solving the problems in the present invention is to place a seedling raising box 3 between the left and right support frames 2 and arrange a belt conveyor 4 which can be transported forward, 2 is provided with a regulating member 5 for regulating the forward movement of the second or more seedling raising boxes 3 stacked on the belt conveyer 4 in a laminated manner, and is protruded above the belt conveyer 4 between the left and right support frames 2. A delivery roller 6 for placing the rear part of the box 3 and sending it forward is arranged, and the rear part of the seedling raising box 3 can be transferred from the delivery roller 6 onto the belt conveyor 4 by moving forward.

[0006]

The plug tray 10 is housed in a number of stacked seedling raising boxes 3, the front side of which is placed on the belt conveyor 4 and the rear portion of which is placed on the feeding roller 6, and is inclined downward toward the front. In the laminated seedling raising box 3, the first sheet from the bottom faces the outlet 11 below the regulating member 5, and the second sheet or more is the regulating member 5.
The forward movement is regulated by.

When the belt conveyor 4 and the feeding roller 6 are driven from this state, the first seedling raising box 3 is fed out and the rear end thereof is detached from the feeding roller 6 and transferred onto the belt conveyor 4. The first nursery box 3 is being sent out,
Since the rear part receives the front part of the second nursery box 3, the second nursery box 3 inclines rearward and downward, and the rear part is placed on the delivery roller 6. The weight applied to the third nursery box 3 is reduced, and the seedlings are smoothly delivered.

When the first seedling raising box 3 is completely delivered, the forward movement is regulated by the regulating member 5 until then 2
The third seedling raising box 3 is placed on the belt conveyor 4 and faces the outlet 11.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. In FIGS. 3 and 4, reference numeral 12 denotes a seedling pre-treatment device for raising seedlings, and a soil filling device 13, a soil filling device 14, a seeding recess forming device 15, etc. are provided in front of the seedling raising box 3 in the conveying direction of the seedling raising box supply device 1. They are provided and they are mounted on the support frame 2 of the transport mechanism (roller conveyor) 16.

The seedling raising box 3 shows a plug tray 10 housed therein.
The soil is fed to the transport mechanism 16 one by one, the soil is supplied by the soil-introducing device 13 to an eye larger than the required amount, and the soil volume is roughly adjusted by the soil volume adjusting plate 17. This soil amount adjusting plate 17 has notches 17a formed at both ends, and heaps up a heap of soil in the middle of the nursery box 3 in the width direction, heaves soil at both ends in the width direction, and the plug tray 10 of which floor soil is hard to enter. The required amount of soil can be reliably supplied to both ends in the width direction. A brush may be used instead of the soil amount adjusting plate 17.

The seedling raising box 3 to which soil has been supplied by the soil-filling device 13 is conveyed to the soil-filling device 14, and the soil is suppressed by the two soil-filling rollers 18 having different heights. After the floor soil top surface is roughly leveled with the V-shaped brush 19, the floor soil top surface is leveled with the required height by the rotating brush 20. The seeding recess forming device 15 has a large number of protrusions 22 arranged in the circumferential direction and the axial direction on the forming roll 21, and the protrusions 22 are pressed against the top surface of the soil to form seeding recesses 23. The forming roll 21 is in contact with the rotating brush 20, and the surface thereof is always cleaned.

1 to 3, in the support frame 2 of the transfer mechanism 16, an extension support frame 2B is foldable via a metal fitting 24 at the rear end of the main support frame 2A on which the devices 13, 14, 15 and the like are mounted. They are connected, and the seedling raising box supply device 1 is arranged across the main support frame 2A and the extension support frame 2B. 4 is a belt conveyor arranged between the left and right support frames 2, a drive pulley 27 on a rotary shaft 26 supported by the main support frame 2A,
The rotary shafts 28, 29, 3 are respectively attached to the extension support frame 2B.
It has a running pulley 31, an idle pulley 32, an auxiliary pulley 33 supported via 0, and a belt 34 wound around these.

Power is transmitted from the transport mechanism 16 to the rotary shaft 26, and the rotary shaft 28 supports the moving pulley 31.
Is adjustable with respect to the extension support frame 2B in order to adjust the tension of the belt 34 by the tension adjusting means 36. The auxiliary pulley 33 is for winding the belt 34 around the idle pulley 32 and transmitting the power of the belt 34, and between the drive pulley 27 and the idle pulley 32, a supporting rod that prevents the belt 34 from being largely bent. 37 is provided.

A feed roller 6 is provided on the rotary shaft 29 so as to rotate integrally with the idle pulley 32. The delivery roller 6 is a rubber roller having a diameter larger than that of the idle pulley 32, the upper portion thereof projects above the extension support frame 2B, and receives the seedling raising box 3 at a position above the belt conveyor 4. Reference numeral 5 is a regulating member fixed to the left and right main support frames 2A, and the left and right angle members 40 erected on the main support frame 2A are connected by a connecting plate 41. The left and right angle members 40 are laminated on the belt conveyor 4. The positions in the width direction and the front direction of the seedling raising box 3 placed on are set.

A cutout portion 42 is formed in the lower part of the front wall of each of the left and right angle members 40 to a position slightly higher than the height of the seedling raising box 3, and the connecting plate 41 is connected to the left and right angle members 40 on the upper side thereof to form a notch. The part 42 and the connecting plate 41 form an outlet 11 through which the nursery box 3 passes. The first (lowermost) seedling raising box 3 of the laminated seedling raising box 3 has its front portion supported by the belt 34 on the drive pulley 27 and its rear portion fed by the delivery roller 6 as shown by the chain double-dashed line in FIG. The belt 3 is supported by the belt 3 and is mounted on the front downward slope, and when the drive pulley 27 is driven by the power from the transport mechanism 16 on the soil inserting device 13 side.
4 moves, and the delivery roller 6 passes through the idle pulley 32.
Is also driven, and the belt 34 and the delivery roller 6 push the nursery box 3 forward.

When the rear end of the seedling raising box 3 is separated from the feeding roller 6, the rear portion is transferred while being pressed onto the belt 34, and is conveyed forward through the outlet 11 together with the belt 34. On the way, the rear part of the nursery box 3 is driven by the drive pulley 27.
The rear part of the second seedling raising box 3 is placed on the feeding roller 6 from the time when the first seedling raising box 3 is reduced.
At this time, the second nursery box 3 receives a force to move forward by the delivery roller 6, but the front end thereof is located above the cutout portion 42, so that the regulating member 5 does not cause the exit 11.

[0017]

According to the present invention described in detail above, the seedling raising box 3 is placed between the left and right support frames 2 and the belt conveyer 4 which can be conveyed forward is arranged, and the belt conveyer 4 is placed on the support frame 2. A regulating member 5 for regulating the forward movement of the second or more of the seedling raising boxes 3 stacked in a stack is provided, and the rear portion of the seedling raising box 3 is placed between the left and right support frames 2 so as to project above the belt conveyor 4. The feeding roller 6 for feeding forward is arranged, and the rear part of the seedling raising box 3 can be transferred from the feeding roller 6 onto the belt conveyor 4 by the forward movement, so that the seedling raising box 3 containing the plug tray 10 can be securely operated. It can be sent out one box at a time, has an extremely simple structure, and can be manufactured at low cost.

[Brief description of drawings]

FIG. 1 is a sectional side view showing an embodiment of the present invention.

FIG. 2 is a sectional plan view of the same.

FIG. 3 is a sectional side view showing the whole seeding pretreatment device.

4 is a sectional view taken along line XX of FIG.

[Explanation of symbols]

 1 Nursery Box Supply Device 2 Support Frame 3 Nursery Box 4 Belt Conveyor 5 Controlling Member 6 Delivery Roller 10 Plug Tray 12 Seeding Pretreatment Machine 13 Soil Immersion Device 27 Drive Pulley 34 Belt

Claims (1)

[Claims] 1. A belt conveyor (4) is provided on which a seedling raising box (3) is placed between the left and right support frames (2) and which can be transported forward, and the belt conveyor (4) is mounted on the support frame (2). 2 of multiple seedling raising boxes (3)
A regulating member (5) for regulating the forward movement of the first sheet or more is provided, and the rear portion of the seedling raising box (3) is placed between the left and right support frames (2) so as to project upward from the belt conveyor (4) and fed forward. A nursery box feeding device, characterized in that a feeding roller (6) is arranged, and the rear part of the nursery box (3) can be transferred from the feeding roller (6) onto the belt conveyor (4) by forward movement.