JP3173864B2 - Plant for sorting seedlings - 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 sorting crop seedlings (mothers) grown in a field, such as rush seedlings, into small seedlings for planting.

[0002]

2. Description of the Related Art For example, a mother plant of rush seedlings grown from seeds and seedlings has a large mass in which a large number of stems are present in a state in which new shoots are newly grown around the seeds and roots are intertwined. In order to plant rush seedlings in a field, it is necessary to divide the mother plants of rush seedlings into small plants for planting. Until now, the sorting of crop seedlings has been done manually, but the manual sorting of crop seedlings is cumbersome.Therefore, automation of the sorting of crop seedlings is desired. Proposed.

As disclosed in, for example, Japanese Unexamined Patent Application Publication No. 55-85304, a funnel-shaped container (19 in FIG. 1 of the above-mentioned publication) is used as a plant seedling dividing device. When the left and right gears (3, 3 ′ in FIG. 1 in the above publication) are driven and the seedlings (parent plant) supplied to the container reach the lower part of the container, the left and right gears are cropped. There is one that acts on the root of a seedling (mother) from the side, and scrapes and strips the root of the crop (mother) in a strip shape. When the crop seedlings (mothers) are stripped and come out, a reciprocating cutter (1 in FIG.
4) acts on the root of the crop seedling (mother) from the lateral side, and the strip-shaped crop seedling (mother) is separated into child plants.

[0004]

In the above-described apparatus for separating seedlings of crops, the gear acts on the roots of the seedlings (base) from the side, and the roots of the seedlings (base) are stripped and stripped off. Then, the cutter acts on the root of the crop seedling (mother) from the side, and the strip-shaped crop (mother) is separated into small plants. In the case of a crop seedling in which sprout grows from the sprout, the sprout may be damaged by the gear, which may lead to poor growth after planting. SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus for classifying crop seedlings that can separate crop seedlings into small strains without damaging the crop seedlings when the seedlings are separated into small plants.

[0005]

A feature of the present invention resides in the following structure of a plant seedling sorting apparatus. [1] A pair of endless rotating bodies for pinching and transporting the crop seedlings are provided, and a separation mechanism that acts from below and forcibly separates the roots of the crop seedlings is provided at the transport end of the endless rotating body. A first claw that enters the root of the crop seedling from below and moves in the direction of transport of the crop seedling; A second claw that moves in the direction, wherein the first and second claws are crop seedlings.
Relative movement apart from each other in the transport direction
Thus, the separation mechanism is configured to forcibly separate the roots of the crop seedlings.

[2] In the configuration of the above [1], the plurality of claws are arranged side by side along the direction in which the second claws intersect with the crop seedling transport direction and oblique to the crop seedling transport direction. It is configured with a body.

[0007]

According to the first aspect of the present invention, the crop seedling is pinched and transported by the endless rotating body, and when the crop seedling reaches the transport end of the endless rotating body, the separating mechanism is moved downward to the root of the crop seedling. Acting from the side, the roots of the crop seedlings are forcibly separated, and the crop seedlings are divided.

[0008] In this case, as described in the above-mentioned "prior art", the gear acts on the root of the crop seedling from the side and the root of the crop seedling is stripped and stripped off. According to the feature of claim 1, when the root of the crop seedling is forcibly separated by the separation mechanism, the separation mechanism acts on the root of the crop seedling from the lower side. In the case of crop seedlings where shoots grow from near the top,
It is unlikely that the growing part of the sprout is damaged by the separation mechanism. Further, according to the first aspect of the present invention, the separation mechanism acts on the root of the crop seedling from below in a state where the crop seedling is sandwiched by the endless rotating body. Is securely transmitted to the roots of the crop seedlings, and the roots of the crop seedlings are separated stably by the separation mechanism.

[II] According to the feature of the first aspect, the separation mechanism rushes into the root of the crop seedling from below and moves in the transport direction of the crop seedling, and the first nail has a lower side of the transport of the crop seedling. And a second claw that enters the root of the crop seedling from below and moves in the direction of transport of the crop seedling. The first and second claws are configured to carry the crop seedling.
By performing relative movements separated from each other in the feeding direction
Ri, root crop seedlings is forcibly separated. As described above, the first and second claws are arranged so as to be arranged along the transport direction of the crop seedlings, and the movement direction of the first and second claws is also along the transport direction of the crop seedlings. The roots of the crop seedlings are separated and separated by the two claws along the transport direction of the crop seedlings, and the roots of the crop seedlings are separated without difficulty.

[III] According to the feature of the second aspect, similar to the case of the first aspect, the present invention has the "action" described in the above-mentioned [I], and additionally has the following "action". ing. According to the feature of claim 2, the second claw is provided with a plurality of claw bodies arranged side by side in a direction intersecting with the transport direction of the crop seedling and oblique to the transport direction of the crop seedling. ing. Thereby, when the root part of the crop seedling is separated by the second nail, the plurality of nail bodies arranged side by side along the direction oblique to the transport direction of the crop seedling are close to a shearing action on the root part of the crop seedling. The detachment action is applied, and the root of the crop seedling is not overloaded compared to a configuration in which only a simple detachment action is applied to the root of the crop seedling.

[0011]

According to the first aspect of the present invention, the crop seedling is pinched and transported by the endless rotating body, and the separation mechanism is applied to the root of the crop seedling from below to forcibly separate the root of the crop seedling. By doing so, the roots of the crop seedlings can be stably separated by the separation mechanism without damaging the crop seedlings, and the stock splitting performance of the crop seedling sorting apparatus can be improved. Moreover, the first claw and the second claw
Move relative to each other in the
It is configured to separate by performing
Can separate crop seedlings simply by
High and less likely to damage crop seedlings.

According to the features of the first aspect, the first of the separation mechanisms is provided.
And the second claws are arranged along the transport direction of the crop seedlings, and the movement direction of the first and second claws is also configured to be along the transport direction of the crop seedlings. The roots of the crop seedlings could be easily separated and separated, and the stock-separation performance of the crop-seed stocking apparatus could be improved.

According to the features of the second aspect, the "effect of the invention" of the first aspect is provided similarly to the case of the first aspect. In addition to the "effect of the invention", the following "invention" is provided. The effect is provided. According to the feature of claim 2, when the root portion of the crop seedling is separated by the second claw of the separation mechanism, a separation action close to a shearing action is applied to the root portion of the crop seedling, and the root portion of the crop seedling is further separated without difficulty. As a result, it was possible to further improve the stock splitting performance of the crop seedling stock splitting apparatus.

[0014]

Embodiments will be described below with reference to the drawings. FIG.
Shows a processing machine for rush seedlings. The processing machine for rush seedlings is composed of a pair of right and left seedling treatment devices having substantially the same configuration. The seedling treatment device is a work unit 1 for manually supplying a mother plant grown from seeds and seedlings. A cutting section 2 for cutting the tip of the stem portion and the tip of the root section of the parent plant W while transporting it, and a dividing portion 3 for crushing the parent plant W in a flat shape and separating it into small plants for planting (plant classification of crop seedlings) An example of the apparatus) is provided with a transport unit 4 for nipping and transporting the separated small strains.

As shown in FIG. 8, the working unit 1 is configured by arranging a pair of upper and lower wide endless rotating belts 5a and 5b so as to face each other. While the W is placed, the mother stock W is conveyed while being pinched by the endless rotating belts 5a and 5b.

As shown in FIGS. 7 and 8, the cutting section 2 is provided near the end of conveyance of the endless rotating belts 5a and 5b. Disc-shaped cutters 6 and 7 for cutting and aligning the tip of the stem and the tip of the root are arranged, and the chips cut by the disc-shaped cutters 6 and 7 are arranged on the right and left sides. It is configured to fall down from the side. The mother stock W conveyed in the lateral direction from the conveyance end of the cutting unit 2 is configured to fall and be guided obliquely downward to the wide entrance of the stock dividing unit 3. On the inner side of the disk-shaped cutter 7 at the root of the base W, rubber rollers 8 rotating around the same axis as the disk-shaped cutter 7 are attached at a predetermined interval. The sprout is not damaged.

As shown in FIGS. 4 and 5, the stock dividing section 3 and the transport section 4 are provided on the mounting guide plate 9 having an obliquely inclined posture so that the stock W can be processed while being sent obliquely downward. It is configured. In the stock dividing section 3, a pair of left and right endless rotating bands 10a and 10b (corresponding to endless rotating bodies) are arranged so as to face each other such that the distance between the opposing surfaces becomes gradually narrower from the wide transport start end. , So that the opposing surface moves from the wide transport start end to the narrow transport end.
a and 10b are driven to rotate. As a result, when the root portion of the parent stock W is fed into the wide transport start end, the endless rotating belt 1
The roots of the mother stock W are pinched by 0a and 10b and conveyed while being crushed flat. Endless rotating bands 10a, 10
On the outer peripheral surface of b, a short projection 41 is formed to reliably transport the root of the mother stock W.

As shown in FIG. 4 and FIG.
a, 10b, at the end of transfer, the mother stock W
A straight path portion for nipping and transporting the root is formed. In the endless rotating belts 10a and 10b, a transport start end and a transport end are wound around pulleys 11a, 11b, 12a and 12b, and an intermediate pulley 13 is disposed at an intermediate portion to form a straight path portion. . A separation device 14 (corresponding to a separation mechanism) that rushes into the root of the crushed mother strain W from below and forcibly separates the strain into small ones is arranged in the straight path portion.

As shown in FIGS. 1, 2, and 3, the separation device 14 passes through a notch 40 formed in the
Holding claw 15 that rushes into the root of the head from below and holds it
(Corresponding to the first claw), the stock splitting claw 16 (corresponding to the second claw) which penetrates from below into the root of the mother stock W held by the holding claw 15 on the lower side of the conveyance of the mother stock W in the holding claw 15. It is configured. One end of the holding claw 15 and the stock splitting claw 16 is supported by the crank arms 17 and 18, and the middle part is supported by the swing arms 19 and 20.
The holding claw 15 and the stock splitting claw 16 are
Is configured to make an elliptical motion along the transport direction of the mother stock W, and to scrape and separate the root of the mother stock W. The stock splitting claw 16 is constituted by two claw bodies 16a and 16b arranged side by side in a direction intersecting with the conveying direction of the mother stock W and obliquely to the conveying direction of the mother stock W. The tearing action of the two claw bodies 16a, 16b is reasonably close to the shearing action,
It is configured to perform separation.

The endless rotating bands 10a and 10b are elastically supported so as to be able to retreat on the side opposite to the sandwiching direction. As shown in FIG. 4, in the endless rotating bands 10a and 10b, the support shafts 21 and 22 of the pulleys 11a and 11b at the transport start end are fixed to the mounting support plate 9, and the pulleys 12 at the transport end portion are fixed.
a, 12b are supported by the support shafts 2
The frame rod 2 is swingably supported by
Arms 25, 26 extending laterally from 3, 24,
The springs 27 and 28 are elastically supported to be able to retreat. Thereby, even if a large mother stock W is supplied,
The endless rotating bands 10a and 10b are elastically widened, so that the endless rotating bands 10a and 10b are prevented from slipping and idling to prevent the mother stock W from staying.

As shown in FIGS. 4 and 5, the transport section 4 is provided with a pair of left and right endless rotating belts 30a and 30b. It is configured to be transported. Endless rotating belt 30
A wide guide portion 30A is formed at the transport start end of each of the a and 30b so as to sequentially change from a wide state to a narrow state along the transport direction of the mother stock W, similarly to the endless rotating bands 10a and 10b. And the supplied parent stock W is the endless rotating bands 30a, 30
The b, 10a, and 10b are configured to be smoothly received in a state where the posture is not disturbed. On the lower side of the conveyance from the position of the separation device 14, there is formed a nipping / conveying operation portion 30B for nipping and conveying the stem portion of the small plant in which the endless rotating bands 30a and 30b are separated in a substantially close contact state.

As shown in FIG. 2 and FIG.
0a, 30b are arranged so that the transporting terminal portions enter the seedling supply box 31 for storing and transporting the separated small plants,
Seedling supply box 3 while the separated small plant is pinched and transported
The small plants separated by the rollers 32 that rotate synchronously are pushed into the seedling supply box 31 so as to be automatically stored in the vertical position. Seedling supply box 31
Is supported by the belt conveyor 33, and the belt conveyor 33
Light pulling resistance is given to the pulley 34 of
The separated small plants are pressed and supplied with a suitable degree of packing by the pressing force of the roller 32, and the seedling supply box 31 gradually moves with the separation of the separated small plants, and is separated into the seedling supply boxes 31. It is configured such that small strains are stored uniformly.

A mud discharging portion 35 is formed in the placement guide plate 9 near the lower side of the separation device 14 in the conveyance direction. FIG.
As shown in FIG. 6, an insertion hole 36 through which mud and the like dropped from the separated small plant passes downward and falls is formed, and the dropped mud and the like are divided into right and left and guided to a laterally outer collecting unit 37. A falling chute 38 is disposed below the insertion hole 36 to prevent muddy soil and cutting waste adhering to the separated small plant from entering the seedling supply box 31.

The right and left seedling treatment apparatuses shown in FIG. 8 have the same configuration as described above, and have the endless rotating bands 10a, 10b, 30a, 30b of the seedling treatment apparatuses, the disk-shaped cutters 6, 7 and The separation device 14 is configured to be rotationally driven by a single electric motor M shown in FIG. 5 via a transmission chain (not shown). As shown in FIG. 3, the driving timings of the holding claws 15 and the stock splitting claws 16 of the left and right separation devices 14 are shifted from each other, thereby reducing the driving load of the electric motor M.

In the claims, reference numerals are provided to facilitate comparison with the drawings, but the present invention is not limited to the configuration shown in the accompanying drawings.

[Brief description of the drawings]

FIG. 1 is a side view of a separation device.

FIG. 2 is a front view of a separation device.

FIG. 3 is a plan view of a separation device.

FIG. 4 is a front view of a stock splitting section and a transport section.

FIG. 5 is a side view of a stock splitting section, a transport section, and a seedling supply box.

FIG. 6 is a longitudinal sectional front view of a mud discharge section.

FIG. 7 is a longitudinal sectional side view of a cutting portion.

FIG. 8 is a front view of a rush seedling processing machine.

[Explanation of symbols]

 10a, 10b Endless rotating body 14 Separation device 15 First claw 16 Second claw 16a, 16b Plural claw bodies of second claw

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-2-124007 (JP, A) JP-A-3-266902 (JP, A) JP-A-3-54110 (JP, U) (58) Survey Field (Int. Cl. ⁷ , DB name) A01C 1/00 A01C 11/02

Claims (2)

(57) [Claims] 1. A pair of endless rotating bodies (10a) and (10b) for pinching and transporting crop seedlings, and acting on the transport end of the endless rotating bodies (10a) and (10b) from below. A first claw (15) that forcibly separates the root of the crop seedling by forcibly separating the root of the crop seedling from below and moves in the transport direction of the crop seedling; (15) provided with a lower side of the conveyance downstream side of the crop plants and the second pawl (16) to move rush to the conveying direction of the crop seedlings root crop seedlings in the previous
The first claw (15) and the second claw (16) are used for transporting crop seedlings.
By performing relative movement away from each other in the direction ,
An apparatus for classifying crop seedlings, wherein the separation mechanism (14) is configured to forcibly separate the roots of the crop seedlings. 2. A plurality of claw bodies (16a), wherein the second claws (16) are arranged side by side in a direction intersecting with the direction of transport of the crop seedlings and oblique to the direction of transport of the crop seedlings. ,
2. The apparatus according to claim 1, further comprising (16b).