JP3192482B2 - Nursery box cleaning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for continuously washing seedling boxes used for rice planting and seedling boxes used for raising seedlings such as vegetables.

[0002]

2. Description of the Related Art Conventionally, a technique relating to a seedling box cleaning apparatus has been known, for example, the technique disclosed in Japanese Utility Model Application Laid-Open No. 63-158151. This technology is cleaning with a cleaning brush and cleaning water, the cleaning water obtained from the water supply device is spouted from the up and down direction of the nursery box, and one or two or more pairs of cleaning brushes are arranged vertically facing each other, Each cleaning brush was rotated in the direction opposite to the transport direction to remove mud and the like, and after this brushing, the cleaning water was jetted to wash away dirt.

[0003]

However, in a conventional configuration in which a plurality of pairs of cleaning brushes are provided, the plurality of upper or lower cleaning brushes rotate in the same direction, and the upper and lower cleaning brushes are rotated. Since the brushes were rotated in opposite directions,
As shown in FIG. 3, when the roots and the like of the seedlings are not cut off from the bottom hole 1a for draining a large number of waters opened at the bottom of the seedling raising box 1, the roots are completely pulled only by pulling the roots on the upper and lower sides. In some cases, it could not be removed. In addition, since the washing water was supplied from the tap water, the water pressure was relatively low, so that dry mud and the like could not be easily removed. In particular, since the jet was jetted in the vertical direction, the edge portion was formed in an eaves shape. In some cases, removal was difficult

[0004]

SUMMARY OF THE INVENTION The present invention is configured as follows to solve such a problem. Machine
In a configuration in which the seedling box is passed through the body frame 4 and the seedling box is washed with the washing water and the rotating brush at the time of passing , the supply port A of the seedling box 1 is opened on one side of the body frame 4.
Then, the discharge port B is opened on the other side, and the supply port A is connected to the discharge port B.
The transport chain 6 is disposed on the
The nursery box is configured to be transported at regular intervals, and
Two upper cleaning brushes 10L and 10R on the upper side and two lower cleaning brushes 11L on the lower side of the seedling box passing path in the room 4 .
11R is arranged, the four rotating brushes are configured to contact the seedling box from above and below, respectively, and shift the position so that they alternately contact from the bottom and from above, and the two upper cleaning brushes 10L・Rotate 10Rs in opposite directions,
Reverse each of the two lower cleaning brushes 11L and 11R
The upper spray nozzle 25a and the lower spray nozzle 26a are arranged above and below the supply side of the seedling box in the machine body, and the upper spray nozzle 25b and the lower spray nozzle 26b are arranged above and below the discharge side of the nursery box. Then, the cleaning water discharged from the injection nozzle is configured to be injected obliquely into the inside of the machine at a high pressure.

[0005]

With the above construction, the seedling raising box 1 is connected to the supply port A.
When the seedling box 1 is wet, the upper surface is cleaned with the upper cleaning brush 10R after the seedling box 1 is wetted.
The lower surface is cleaned by R, and at the same time, high-pressure cleaning water is sprayed from the spray nozzle in a diagonally inward direction from above and below to wash away dirt and the like. The lower surface is cleaned by the lower cleaning brush 11L, and dirt and the like after being rubbed with the brush by the injection nozzles 25 and 26 in front of the discharge port B are washed away.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems to be solved and means to be solved by the present invention are as described above. Next, embodiments shown in the attached drawings will be described. FIG. 1 is a front sectional view of the nursery box cleaning device, and FIG. 2 is a side sectional view of the same.

In the nursery box cleaning apparatus, the body frame 4 is mounted on the support legs 3,.
It is configured to be adjustable up and down so that it can be adjusted to the height of the operator.
Is fixed. The machine frame 4 opens the supply port A of the seedling raising box 1 on the right side, opens the discharge port B on the left side, and arranges the transfer chain 6 from the supply port A to the discharge port B to convey at predetermined intervals. The transport chain 6 is driven by the transport chain 7 in the previous process.

A lid 4a for inspection is provided at an upper portion of the body frame 4, and a funnel-shaped receiver 4b for discharging washing water is provided at a lower portion. An outlet 4c is provided. Further, the upper cleaning brushes 10L and 10R and the lower cleaning brushes 11L and 11R
However, the upper brushes 10L are alternately laid horizontally without being aligned vertically, and only the upper cleaning brush 10L and the horizontal brush 10b protruding inward from the outside and the vertical brush protruding in the radial direction so that the side surface of the nursery box 1 can be cleaned. 10c are alternately arranged. Then, the rotating shafts 10a, 10a, 11a of the respective cleaning brushes
At one end of 11a, pulleys 12, 12, 13, 13 are fixedly mounted. A belt 16 is wound between the pulley and the pulley 15 fixedly mounted on the counter shaft 14, so that the left and right upper cleaning brushes 10L. Rotate 10R in opposite directions,
The left and right lower cleaning brushes 11L and 11R also rotate in opposite directions, the upper and lower brushes also rotate in opposite directions, and a pulley 17 is further fixed on the counter shaft 14, so that the drive shaft of the drive motor 5 is driven. The cleaning brush is driven by winding a belt 19 around a pulley 18 fixed to the cleaning brush.

The guide rollers 20 and 2 are positioned below and in contact with the upper cleaning brushes 10L and 10R so as to support both sides of the seedling raising box 1 in the width direction.
0 is rotatably supported by the frame 21 and faces the upper side of the lower cleaning brushes 11L and 11R.
20 is rotatably supported by the frame 21 so that the nursery box 1 is not lifted or vibrated when the brush is rotated for cleaning, and the cleaning brush 1
0.1 and 11 are surely brought into sliding contact with each other so that the upper and lower surfaces can be uniformly cleaned. Further, guide rollers 22, 22... ,
The nursery box can be transported together with the guide roller 20 without fixing and continuously overlapping.

Since the dry seedling box 1 is difficult to remove dirt only by rubbing with a cleaning brush, an ejection pipe 24 for wetting the seedling box 1 is laid horizontally near the supply port A. It is connected to etc. and is flowing water. Then, in order to spray cleaning water, the upper right cleaning brush 1
Upper nozzle 25a, upper cleaning brush 1 in the upper center of 0R
The lower injection nozzle 26a is arranged at the lower center of the OR, and the upper injection nozzle 25 is located above the center of the outlet B inside the body frame 4.
b, the lower injection nozzle 26b is disposed below, and the horizontal injection nozzles 27 are arranged on the side of the conveying section of the seedling raising box 1, and the respective injection nozzles 25, 26, 27 communicate with each other through a pipe 29, and the pipe 29 is illustrated. Pressure water (30-40)
kg / cm ³ ).

Then, the injection nozzles 25, 26, 27
Are arranged to inject inward. In other words, the lower injection nozzle 26b is ejected diagonally downward and to the left, the upper ejection nozzle 25b is ejected diagonally downward to the right, and the lower ejection nozzle 26b is ejected diagonally to the lower right. The lateral spray nozzles 27 are disposed so as to blow diagonally upward, and the horizontal spray nozzles 27 are disposed so as to blow diagonally upward from the bottom toward the center so as to hit the side surfaces of the seedling raising box 1. 2
The washing water spouted from 7 hits the nursery box 1 diagonally so that dirt and the like can be washed away.

In such a configuration, when the nursery box 1 is conveyed from the supply port A, the upper surface of the nursery box 1 is entirely wetted by the water jetted from the jet pipe 24 to soften dry mud and the like. The rotation of the cleaning brush 10R rubs the upper surface of the seedling raising box 1 to remove dirt, is further conveyed, and the washing water is jetted from the upper and lower jet nozzles 25a and 26b to release mud and roots and fly. Further, the lower cleaning brush 11R, the upper cleaning brush 10L, and the lower cleaning brush 11L are alternately applied to the seedling raising box 1, and the roots and the like caught in the bottom hole 1a are alternately pulled and come off.
The closed bottom hole is also cleaned by inserting a brush, and the side surface of the seedling raising box 1 is also cleaned by the horizontal brush 10b. In front of the discharge port B, the upper spray nozzle 25b, the lower spray nozzle 26b,
The mud and the like adhering to the seedling raising box 1 are washed away by injecting the pressurized water inward by the horizontal jet nozzle 27.

[0013]

As described above, the present invention has the following advantages. That is, since the plurality of upper, lower, left, and right cleaning brushes are configured to rotate in opposite directions, the corners of the nursery box can be reliably washed,
Roots caught in the bottom hole and mud attached to the bottom hole can be removed by pulling or sliding contact in the opposite direction at the time of reverse rotation, even if it can not be removed by one direction rotation, and alternately use cleaning brushes The arrangement allows the mud and the like clogged in the bottom hole to be removed by pushing up and down.

Further, since the washing water is sprayed obliquely from the high-pressure spray nozzle, mud and the like can be easily separated and removed, and dirt can be removed even at corners, overhangs and recesses. As a result, even if the shape of the nursery box is different due to differences in manufacturers and specifications, cleaning can be performed irrespective of it, and the cleaning effect can be further enhanced because it is used together with the cleaning brush.

[Brief description of the drawings]

FIG. 1 is a front sectional view of a nursery box cleaning device.

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

FIG. 3 is a cross-sectional view showing a washing state of a conventional seedling raising box.

[Explanation of symbols]

 A supply port B discharge port 1 nursery box 4 body frame 10 upper cleaning brush 11 lower cleaning brush 25 upper spray nozzle 26 lower spray nozzle

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-150218 (JP, A) Japanese Utility Model Showa 51-90208 (JP, U) Japanese Utility Model Utility Model Showa 64-32047 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) A01G 9/06

Claims (1)

(57) [Claims] In a configuration in which a nursery box is passed through the body frame 4 and the nursery box is washed with washing water and a rotating brush during the passage , the seedling box 1 is provided on one side of the body frame 4.
The supply port A is opened, and the discharge port B is opened on the other side.
A transfer chain 6 is arranged from the port A to the discharge port B, and
The seedling box is transported on the chain 6 at regular intervals.
And two upper cleaning brushes 10L and 10R and two lower cleaning brushes 11L and 11R on the upper side of the seedling box in the body frame 4 , and the four rotating brushes. each contact in the vertical direction to the nursery box, and by shifting the position, and configured to abut alternately from upper and the lower, two over the cleaning brush 10L · 10R with each other, it
And rotate in the opposite direction to rotate the two lower cleaning brushes 11L and 11R.
Are rotated in the opposite directions, and the upper spray nozzle 25a and the lower spray nozzle 2 are arranged above and below the supply side of the seedling box in the machine.
6a, and upper injection nozzles 2 above and below the discharge side of the nursery box.
5b and a lower spray nozzle 26b are arranged, and the washing water discharged from the spray nozzle is configured to be sprayed obliquely into the machine body at a high pressure at a high pressure.