JP3697603B2 - Soil filling equipment for seedling boxes - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a soil filling device for filling a seedling box used for seedling of various crops with soil.
[0002]
[Prior art]
In recent years, many seedlings are intensively raised in a seedling box by filling and seeding the seedling box with soil. In addition, as a seedling pattern in this seedling box, there are cases where the seedling box is directly stuffed and sown, but recently, a potted body in which pot bodies are gathered densely is placed in the seedling box, Many pots are stuffed with soil and seeded.
[0003]
[Problems to be solved by the invention]
By the way, the filling of the soil into the above-mentioned seedling box is usually a process of supplying the culture medium excessively to the seedling box, then leveling the upper surface and scraping off the excess culture medium. The filling density of the cultivated soil in the box (or pot) is insufficient, and when transplanting seedlings after raising seedlings, the soil block attached to the roots of the seedlings collapses, which impedes the growth of seedlings after transplanting There was a problem.
[0004]
When seeding a seedling box, generally a seeding hole processing plate having a large number of protrusions is superposed on the seedling box, and a seeding hole is processed in advance on the upper surface of the culture soil. By pressing the, it becomes possible to achieve a certain degree of consolidation, but the degree of consolidation is very slight and does not lead to a fundamental solution.
[0005]
The present invention has been made to solve the above-mentioned problems, and the object is to provide a soil filling device that can sufficiently increase the filling density of the soil in the seedling box. is there.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a pressing means for resiliently pressing the nursery box conveyed by the roller conveyor around the roller conveyor that conveys the seedling box packed with culture medium, and the seedling raising In a soil filling and filling apparatus for a seedling box disposed opposite to a vibration means for applying vibration to the box from below , the roller conveyor is a free roller conveyor, and the vibration means is one of the free roller conveyors. A cam that rotates integrally with the two rollers, and a vibration hammer that intermittently strikes the lower surface of the seedling box in accordance with the rotation of the cam .
In the soil filling device configured as described above, when the seedling box is conveyed by the free roller conveyor, the seedling box is pressed by the pressing means, while vibration is applied from the vibration means to the seedling box, and the soil in the seedling box is It becomes compacted. In addition, special driving means for driving the vibration hammer is not required, and the structure of the vibration means itself is simplified.
[0007]
In the present invention, the vibration hammer of the vibration means has a structure including a weight on the other end side of the spring piece fixed at one end to the conveyor frame, and the spring piece is in accordance with the rotation of the cam. It can be set as the structure which makes the said weight collide with a nursery box.
[0008]
In the present invention, the pressing means includes a pressing roller that rolls on the upper surface of the seeding hole processing plate superposed on the seedling box , and the pressing roller is disposed to face one roller of the free roller conveyor. It can be set as a structure. With this configuration, the seedling box is sandwiched between the pressing roller and one roller of the free roller conveyor, so that the seedling box moves carelessly even if vibration is applied from the vibration means. Moreover, its smooth conveyance is guaranteed .
The present invention may be configured such that any one of the pressing roller and one roller of a free roller conveyor disposed to face the pressing roller is rotationally driven by a handle. As a result, it is possible to reduce as much as possible the force required for the conveyance and the operation of the vibration means.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 thru | or FIG. 3 shows the soil stuffing sowing | drilling hole processing line containing the culture filling machine based on this invention. In these drawings, 1 is a conveyor that conveys the seedling box 2 in the direction of arrow A (conveying direction). On the conveyor 1, the inside of the seedling box 2 extends from the upstream side to the downstream side in the conveying direction A. A soil filling station S1 for filling the culture soil into the seedling and a seeding hole processing station S2 for processing the seeding hole in the culture soil in the seedling box 2 using the seeding hole processing plate 3 are set in order. Thus, the soil filling station S1 is provided with a soil filling device 20 for filling the seedling box 2 with the soil, and the sowing hole processing station S2 is provided with the present invention for increasing the filling density of the soil within the seedling box 2. Each such soil filling device 30 is installed. The soil filling device 20 and the culture soil filling device 30 will be described in detail later.
[0010]
In the present embodiment, as shown in FIGS. 4 and 5, the seedling box 2 is a dense assembly of pot bodies 5 connected by connecting pieces (not shown) via a water-soluble adhesive. The collective pot body 6 is expanded and accommodated in a honeycomb shape using the expansion frame 7. Therefore, the above-described soil filling and sowing hole processing are performed on the individual pot bodies 5 constituting the collective pot body 6. The unfolding frame 7 is unfolded by inserting a plurality of claw pieces 8 provided on the front and rear frames into the pot body 5 positioned before and after the unfolding direction of the collective pot body 6. It has a structure that can be held in a state.
[0011]
Here, in the conveyor 1, a portion corresponding to the soil filling station S1 is configured as a slide type conveyor 11, and a portion corresponding to the sowing hole processing station S2 is configured as a free roller conveyor 12. Both conveyors 11 and 12 are constructed by sharing a pair of left and right conveyor frames 15 that are installed on a floor 13 using columns 14. The sliding conveyor 11 includes a pair of rails 16 that are positioned between the pair of conveyor frames 15 and extend in the conveying direction A. The seedling box 2 slides on the pair of rails 16. However, it is transported in the transport direction A. On the other hand, the free roller conveyor 12 includes a plurality of rollers (free rollers) 17 that are rotatably bridged between a pair of conveyor frames 15, and the seedling box 1 is conveyed by the rotation of these rollers 17. It is conveyed in the direction A.
[0012]
The soil filling device 20 rubs the excess of the cultivated soil supplied to the seedling box 2 by scraping off the excess of the cultivated soil supplied to the hopper 21 for storing the cultivated soil, the shutter 23 for opening and closing the cultivated soil supply port 22 at the lower part of the hopper 21. A leveling plate 25 including a leveling brush 24 and an adjusting screw 26 for adjusting the height level of the leveling plate 25 are provided. In this earth filling device 20, the seedling box 2 in which the collecting pot body 6 is stored in the unfolded state by using the unfolding frame 7 is placed on the pair of rails 16 of the slide conveyor 11 and sent under the hopper 21. When the shutter 23 is opened, the soil in the hopper 21 is supplied in a pile in the nursery box 2. After that, when the shutter 23 is closed and the seedling box 2 is sent in the transport direction A, the upper surface of the soil is leveled by the brush 24 of the leveling plate 25 and at the same time, the excess soil is scraped off.
[0013]
The seedling box 2 that has been stuffed with the earthing device 20 is carried out as it is onto the free roller conveyor 12 in the sowing hole processing station S2. One end side of the sowing hole processing station S2 following the soil filling station S2 is divided as a substation S2 ′ for supplying the seedling hole processing plate 3 to the seedling box 2, and the soil filling is finished in this substation S2 ′. The sowing hole processing plate 3 is polymerized in the seedling raising box 2. The sowing hole processing plate 3 is provided with a large number of projections (not shown) at the same arrangement pitch as the arrangement pitch of the individual pot bodies 5 constituting the collective pot body 6 on one surface thereof. The seedling holes are processed in the soil in the individual pots 5 by polymerizing the seedling box 2 with the protrusions facing downward. In addition, since the collective pot body 6 in the seedling box 2 maintains the unfolded state by the unfolding frame 7, the projections of the sowing hole processing plate 3 are accurately inserted into the individual pot bodies 5.
[0014]
On the other hand, the soil filling device 30 according to the present invention includes a pressing means 31 that elastically presses the upper surface of the seeding hole processing plate 3 superposed on the seedling box 2 conveyed by the free roller conveyor 12, and the seedling box 2 on the lower side. And a vibration means 32 for applying vibrations.
[0015]
As shown in FIGS. 1 and 2, the pressing means 31 includes a pair of swing arms 33 that are swingably attached to a pair of left and right conveyor frames 15 by a shaft 32, and the pair of swing arms 33. And a pair of pressing rollers 35 rotatably mounted on a rotation support shaft 34 bridged between the free ends of each of the first and second free ends, and are interposed between the free ends of the swing arms 33 and the conveyor frames 15. Normally, a tension spring (biasing means) 36 that urges each swing arm 33 in a direction parallel to the conveyor frame 15 and each swing arm 33 are screwed together so that the tip contacts the corresponding conveyor frame 15. It comprises screw stoppers 37 that are in contact with each other and set the inclination angle of each swing arm 33.
[0016]
In the pressing means 31, by appropriately setting the inclination angle of the pair of swing arms 33 by the screw stopper 37, the seeding hole processing plate 3 on the seedling box 2 conveyed by each roller 17 of the free roller conveyor 12 The pressing roller 35 is elastically engaged with the upper surface, so that the sowing hole processing plate 3 presses the soil in the seedling box 2. The pair of pressing rollers 35 of the pressing means 31 are set at positions facing a pair of rollers (driving rollers) 17A provided in place of one of the plurality of rollers 17 constituting the free roller conveyor 12. Has been. That is, the entire seedling box 2 including the sowing hole processing plate 3 is sandwiched between the pair of driving rollers 17 </ b> A and the pair of pressing rollers 35. On the other hand, the rotary shaft 38 of the pair of drive rollers 17A has one end portion inserted through the conveyor frame 15 on one side (here, the lower side in FIG. 2) and extended to the side. A handle 39 is attached to the extending end of the rotating shaft 38. That is, the pair of drive rollers 17A is rotationally driven by the handle 39. Now, when the pair of drive rollers 17A is rotated by the handle 39, the seedling box 2 including the seeding hole processing plate 3 is rotated. The whole is forcibly conveyed in the conveying direction A while being sandwiched between the pair of driving rollers 17A and the pair of pressing rollers 35.
[0017]
The vibration means 32 includes a pair of cams 40 that are fitted to the rotation shafts 38 of the pair of drive rollers 17A in the vicinity of the drive rollers 17A, and a pair of vibrations that vibrate according to the rotation of the cams 40. It consists of a swing hammer 41. Each cam 40 includes a plurality of (here, three) claw bodies 42 that are equally distributed in a radial manner, and each vibration hammer 41 is fixed at one end to a support beam 43 that is bridged between a pair of conveyor frames 15. A spring piece 44 having the other end positioned within the rotation radius of the claw body 42 constituting the cam 40 and a weight 45 fixed to the upper surface of the spring piece 44 are provided. In this vibration means 32, when the rotary shaft 38 is rotated by the handle 39, the pair of cams 40 are rotated integrally therewith, and the pawl body 42 of the cam 40 is rotated by the vibration hammer 41 as will be described later (FIG. 6). After the spring piece 44 is pressed down once, it is released and the weight 45 provided on the spring piece 44 intermittently collides with the lower surface of the seedling box 2.
[0018]
Hereinafter, the work contents in the soil filling / sowing hole processing line including the main soil filling device 30 will be described.
In the seedling box 2, the collective pot body 6 is stored in a developed state using the development frame 7 in a separate process. Then, the seedling box 2 in which the collecting pot body 6 is stored is put on a pair of rails 16 on one end side of the slide type conveyor 11 and is sent under the hopper 21 of the earth filling device 20 by an operator. Next, the operator opens and closes the shutter 23 to supply the soil in the hopper 21 excessively into the seedling box 2 and sends the seedling box 2 in the transport direction A as it is. Then, the upper surface of the cultivated soil is leveled by the brush 24 of the leveling plate 25, and at the same time, the excessive cultivated soil is scraped off, and the soil filling in the seedling box 2 is finished. The seedling box 2 that has been stuffed with soil is transported to the substation S2 ′ of the sowing hole processing station S2, where the sowing hole processing plate 3 is superposed on the seedling box 2.
[0019]
The seedling box 2 on which the sowing hole processing plate 3 is polymerized is then fed into the main soil filling device 30 by the operator. By feeding the seedling box 2, the pair of pressing rollers 35 of the pressing means 31 is lifted to move to the upper surface of the sowing hole processing plate 3, and the urging force of the tension spring 36 is applied to the sowing hole processing plate 3 via the pressing roller 35. Works. At this time, the lower surface of the seedling box 2 is placed on a pair of drive rollers 17A arranged to face the pair of pressing rollers 35, whereby the tip side of the seedling box 2 including the sowing hole processing plate 3 is The pair of driving rollers 17A and the pair of pressing rollers 35 are sandwiched. The operator confirms that the front end side of the seedling box 2 is sandwiched between the pair of driving rollers 17 </ b> A and the pair of pressing rollers 35, and turns the handle 39. Then, a pair of drive roller 17A rotates via the rotating shaft 38, and the whole seedling box 2 including the sowing hole processing board 3 is conveyed in the conveyance direction A.
[0020]
On the other hand, when the rotary shaft 38 is rotated, a pair of cams 40 are rotated integrally therewith as shown in FIG. 6, and the pawl body 42 of the cam 40 is a spring of the vibration hammer 41 as shown in FIG. The piece 44 is pushed down. When the cam 40 further rotates, the claw body 42 of the cam 40 releases the spring piece 44 as shown in FIG. The weight 45 collides with the lower surface of the seedling box 2. This collision (striking) is intermittently repeated according to the rotation of the cam 40, that is, the movement of the seedling box 2, whereby the seedling box 2 vibrates and the culture medium in the seedling box 2 is gradually compacted.
In this way, the filling density of the culture medium in the seedling box 2 is sufficiently increased, and then the seedling root is sufficiently adhered to the seedling roots while seeding and covering the seedling holes, and the soil around the roots at the time of transplanting. Blocks will no longer collapse.
[0021]
In the above embodiment, the drive roller 17A is rotated by the handle 39, but the drive roller 17A and the pressure roller 35 are interlocked with the seedling box 2 including the sowing hole processing plate 3 interposed therebetween. Instead of the driving roller 17A, the pressing roller 35 may be rotated by a handle 39.
In the above embodiment, the seedling box 2 is polymerized in the seedling box 2 and then the seedling box 2 is vibrated. However, in the present invention, the assembly before the sowing hole processing board 3 is polymerized is performed. In this case, even if vibration is applied to the seedling box 2 via the expansion frame 7, the vibration is directly applied to the seedling box 2 after removing the expansion frame 7. You may make it add.
Furthermore, in the said embodiment, although the seedling box 2 which accommodated the collection pot body 6 in the expansion | deployment state was made into object, this invention is a seedling box which is directly stuffed and seeded without using the collection pot body 6 Of course, you can also target.
[0022]
【The invention's effect】
As described above, according to the soil filling device for the seedling box according to the present invention, the soil filling density in the seedling box can be sufficiently increased, so that the soil block around the root after seedling is stable. This greatly contributes to the stable growth of seedlings after transplanting.
[Brief description of the drawings]
FIG. 1 is a side view showing a part of the structure of a soil filling and filling apparatus for a seedling box according to the present invention.
FIG. 2 is a plan view showing an equipment structure of a soil filling and sowing hole processing line including the main soil filling device.
FIG. 3 is a side view showing an equipment structure of a soil filling and sowing hole processing line including the main soil filling device.
FIG. 4 is a side view showing a combined state of an assembly pot body and its development frame stored in a seedling box.
FIG. 5 is a plan view showing a developed state of the collective pot body by a development frame.
FIG. 6 is a side view showing time-sequentially how the main soil filling device is used.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Conveyor 2 Nursery box 3 Seeding hole processing board 6 Collecting pot body 7 Expanding frame 12 Free roller conveyor 17 Roller (free roller)
17A Drive roller 20 Soil filling device 30 Culture filling device 31 Pressing means 32 Exciting means 35 Pressing roller 36 Tension spring 38 Rotating shaft 40 Cam 41 Exciting hammer

Claims (4)

A pressing means for elastically pressing the nursery box conveyed by the roller conveyor from above around a roller conveyor that conveys the seedling box filled with culture soil, and an excitation means for applying vibration to the nursery box from below The roller conveyor is a free roller conveyor, and the vibration means is a cam that rotates integrally with one roller of the free roller conveyor, An apparatus for filling soil cultivation into a seedling box, comprising a vibration hammer that intermittently strikes the lower surface of the seedling box according to rotation of a cam . The vibration hammer of the vibration means has a structure including a weight on the other end of the spring piece fixed at one end to the conveyor frame, and the spring piece is elastically deformed according to the rotation of the cam, and the weight The soil filling and filling apparatus according to claim 1, wherein the weight collides with the nursery box . The pressing means includes a pressing roller that rolls on the upper surface of the seeding hole processing plate superposed on the seedling box, and the pressing roller is disposed to face one roller of the free roller conveyor. The soil filling device according to claim 1 or 2. 4. The soil filling and filling apparatus according to claim 3 , wherein any one of the pressing roller and one roller of a free roller conveyor disposed to face the pressing roller is rotationally driven by a handle .

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