JP2644463B2 - Nursery box processing facility - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nursery box processing facility for raising matte seedlings used in a planting operation with a rice transplanter.

[0002]

2. Description of the Related Art One example of a nursery box processing facility as described above is:
It is disclosed in JP-A-63-71025. In this nursery box processing facility, the seedling raising box (1 in FIG. 1 of the above publication) after seeding is transported by a transport device (5 in FIG. 1 of the above publication), and the seedling raising box from the transport device Are successively lifted upward while being supported by a vertical transport device (10 in FIG. 1 of the above-mentioned publication) at a plurality of vertical stages with vertical intervals. A support (13 in FIG. 1 in the above publication) capable of stacking and supporting the seedling boxes is provided on the side of the vertical transport device, and the seedling boxes from the upper end of the vertical transport device are transported to the support platform side. Then, they are stacked on a support base.

In this case, at the transfer position of the seedling box from the transfer device to the support table (the upper end of the vertical transfer device in FIGS. 1 and 2 of the above publication), there are a plurality of seedling boxes (first of the above publications). 2 in the figure and FIG. 2).
The plurality of seedling raising boxes are configured to be stacked on a support base. By stacking a plurality of seedling boxes on the support as described above, it is possible to increase the processing capacity of the seedling boxes within a predetermined time as compared with a configuration in which seedling boxes are stacked on the support one by one. it can.

[0004]

In the nursery box processing facility described above, the upper seedling box is dropped vertically without pushing out the upper seedling box to the lower seedling box at the transport position of the seedling box. It is configured to be stacked in a nursery box. Thereby, the impact when the upper nursery box falls to the lower nursery box becomes large, and the soil and seeds in the nursery box move and are disturbed, which may hinder subsequent germination and growth. . The present invention relates to a seedling box processing facility, in which a seedling box is stacked at a plurality of positions at a transfer position of a seedling box from a transfer device to a support table, and the seedling boxes are stacked on a support table to increase the processing capacity. The purpose of this project is to control the movement of soil and seed paddy.

[0005]

[Means for Solving the Problems]

[Configuration] A feature of the present invention resides in that the nursery box processing facility is configured as follows. A transport device that transports the seedling boxes after sowing, a vertical transport device that supports the seedling boxes from the transport device at a plurality of vertical stages with vertical intervals and sends them upward or downward, and an upper end of the vertical transport device or With a support stand for stacking and supporting the seedling boxes from the lower end, and at the transfer position of the seedling boxes from the transfer device to the support stand, for the lower seedling boxes,
Push the seedling box on the upper side of the transport position forward along the transport direction, stack the upper seedling box on the lower seedling box,
The plurality of seedling boxes thus stacked are sent to a subsequent process in a stacked state.

[Operation] According to the above-mentioned [Configuration], in the present invention, the upper seedling raising box slides laterally relative to the lower seedling raising box at the transfer position of the seedling raising box from the transfer device to the support stand. The seedling boxes are stacked in a plurality, and are stacked and supported on a support base. As described above, by configuring the upper seedling raising box so as to slide from the lateral direction with respect to the lower seedling raising box, the seedling raising boxes can be stacked and transported in a plurality, thereby increasing the processing capacity. Incorporating the stacking process, while being able to increase, the impact on stacking is smaller than the conventional technology, in which the upper seedling box is dropped vertically on the lower seedling box and stacked. Become.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 2, a feed conveyor 2 for feeding empty seedling boxes 1 in a stacked state, and an elevator 3 for lowering the seedling boxes 1 from the feed conveyor 2 to a working level in a suspended state. A seedling box supply system is configured by the seedling box supply device 4 and the like that take out the stacked seedling boxes 1 one by one and send them to the transport device 5. A floor soil supply unit 6 for supplying floor soil to the seedling box 1 sent by the transport device 5, a watering unit 7 for spraying water on the floor soil, a sowing unit 8 for sowing seeds on the floor soil, and a seedling after sowing. A seeding device 11 is constituted by a covering part 9 for covering the box 1 with soil. Unloading conveyor 1 to floor soil supply unit 6 and cover soil unit 9
9, soil is supplied via the intermediate conveyor 20 and the forward / reverse conveyor 21.

The seedling raising box 1 after sowing sent by the transport device 5 is fed from the transport device 5 to the vertical transport device 10. Next, the structure of feeding the nursery box 1 to the vertical transport device 10 will be described. As shown in FIGS. 1 and 2, the lower end of the first branch transfer device 12 is provided at the end of the transfer device 5.
Above this, a second branch transport device 13 is arranged, and an auxiliary transport device 14 that is driven up and down is attached around a horizontal axis P1 at the front end of the second branch transport device 13.

With the above structure, when one seedling raising box 1a sent from the transfer device 5 is sent to the first branch transfer device 12 with the auxiliary transfer device 14 raised, the auxiliary transfer device 1
4 descends, and the next seedling raising box 1 b is sent to the second branch transport device 13 via the auxiliary transport device 14. In this manner, the raising and lowering of the auxiliary transport device 14 causes the seedling raising boxes 1 sent from the transport device 5 to be alternately distributed to the first branch transport device 12 and the second branch transport device 13.

As shown in FIG. 1 and FIG. 2, an endless rotating band (not shown) such as a chain for the second branch transport device 13.
Is provided with a feed mechanism 15 to which a pair of arms 15a are fixed, and the feed speed of the feed mechanism 15 is set to be the same as the transfer speed of the first branch transfer device 12. As shown in FIGS. 1 and 2, the vertical transport device 10 has a large number of support pieces 10a attached to an endless rotating band (not shown) such as a chain wound around a pair of upper and lower sprockets (not shown). The endless rotating belt is disposed on the left and right sides of the first branch transport device 12.

[0011] The first and second branch transport device 1 as described above.
By providing the second and the third, as shown in FIG.
The seedling raising box 1a on the side of the second branch conveying apparatus 13 pushed forward by the feeding mechanism 15 with respect to the seedling raising box 1a fed by the branch conveying apparatus 12 and supported by the support pieces 10a.
Are stacked on the previous seedling raising box 1a in the vertical transport device 10, and the seedling raising box 1 is sent to the post-process side, that is, upward by the vertical transport device 10 in the stacked state. As a result, the upper seedling raising box 1b is stacked on the lower seedling raising box 1a so as to slide from the lateral direction, and the horizontal seedling speed component and the vertical falling speed component are used. Then, the upper seedling raising box 1b slides obliquely downward and is stacked on the lower seedling raising box 1a, and the impact when the seedling raising boxes 1a and 1b are stacked is reduced.

As shown in FIG. 2, two seedling raising boxes 1 are transferred to a support table 17 by a transfer device 16 at the upper end of the vertical transfer device 10. The transfer device 16 includes three sets of arms 1 on an endless rotating band (not shown) such as a chain.
6a has a fixed structure. The support 17 is placed on an elevator 18, and the elevator 18 descends each time the seedling raising boxes 1 are stacked on the support 17. As described above, when a predetermined number of seedling raising boxes 1 are stacked on the support 17, the support 17 is carried to the germination chamber (not shown).

[Another Embodiment of the Invention] As shown in FIG. 3, first and second branch transport devices 12, 1
3, the seedling raising box 1b on the side of the second branch transport device 13
3 is stopped immediately at the position shown in FIG. 3 without being fed into the vertical transport device 10, and the nursery box 1 a on the first branch transport device 12 side is fed into the vertical transport device 10, and When the raising operation is performed to the position of the two-branch transport device 13, the feeding mechanism 15 pushes out the seedling raising box 1b on the second branch transporting device 13 side into the upper and lower transporting device 10, and stacks the seedling raising box 1a on the previous seedling raising box 1a. May be configured.

In the above-described configuration, a dedicated feeding mechanism 15 for feeding the seedling raising box 1 into the vertical transport apparatus 10 is provided. However, without providing such a feeding mechanism 15, the first and second branch transport apparatuses are provided. The seedling raising box 1 may be pushed out into the upper and lower transfer device 10 only by the transfer operation of 12, 13. The vertical transport device 10 has a fork-shaped support arm attached to a set of endless chains, and the seedling box 1 is attached to the support arm.
May be placed, or the seedling raising box 1 may be sent downward.

[0015]

As described above, in the nursery box processing facility,
By configuring the upper seedling raising box to slide from the lateral direction with respect to the lower seedling raising box and stacking, it was possible to reduce the impact at the time of stacking the seedling raising boxes. With this, at the transfer position of the seedling box from the transfer device to the support stand, while raising the seedling boxes in a plurality and stacking on the support stand, while increasing the processing capacity of the seedling box processing facility,
The movement of the soil and seeds in the seedling raising box during stacking of a plurality of seedlings was suppressed, and germination and poor growth due to the movement of the soil and seeds in the seedling raising box could be prevented beforehand.

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 attached drawings.

[Brief description of the drawings]

FIG. 1 is a side view showing a structure around a transport device, a vertical transport device, first and second branch transport devices, and a feeding mechanism.

FIG. 2 is a side view showing the overall flow of processing of a nursery box;

FIG. 3 is a side view showing a structure in the vicinity of a transport device, a vertical transport device, first and second branch transport devices, and a feeding mechanism according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nursery box 5 Transport device 10 Vertical transport device 17 Support stand

Claims (1)

(57) [Claims] 1. A transport device (5) for transporting a seedling box (1) after sowing, and a seedling box (1) from the transport device (5) supported at a plurality of vertical stages with a vertical interval. And a supporting table (17) for stacking and supporting the seedling raising boxes (1) from the upper end or the lower end of the vertical conveying device (10). At the transfer position of the seedling raising box (1) from the transfer device (5) to the support stand (17), the seedling raising box (1) above the transfer position is moved in the transfer direction with respect to the lower seedling raising box (1). And push it forward along the lower seedling box (1).
Stack the seedling boxes (1) on the upper side, and
A nursery box processing facility configured to send several nursery boxes (1) to a subsequent process in a stacked state .