JPH07312927A - Planter of transplanter - Google Patents

Abstract

PURPOSE:To install scrapers so as to provide good opening and closing operations to a pair of boring pawls installed in a planting unit of a planter. CONSTITUTION:This planter of a transplanter is obtained by supporting scrapers 45 and 46 on each of a pair of front and rear boring pawls 33 so as to enable the free vertical movement along the outer surfaces of the boring pawls 33, pivoting one end each of operating arms 49 and 50 on the respective scrapers 45 and 46, pivoting the other end of the respective operating arms 49 and 50 on a planting unit 30 and interlocking the other scrapers 45 and 46 interlocking with the downward movement of the scrapers 45 and 46 so as to downwardly move.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is mainly for transplanting pot seedlings such as soil block seedlings grown in a seedling frame having a large number of pot parts or paper pot seedlings grown in a paper pot (paper cylinder) to a field. The present invention relates to a planting device for a transplanting machine.

[0002]

2. Description of the Related Art Conventionally, as a planting device of a transplanter for transplanting potted seedlings of vegetables or the like to a field, there is one described in Japanese Utility Model Publication No. 59-16315. The planting device includes a planter supported by a mobile body so as to be vertically movable, and the planter is composed of an upper guide cylinder and a lower beak-shaped opener. The opener is composed of a pair of front and rear perforating claws, and the front and rear perforating claws are pivotally supported by a guide tube so as to be rotatable around left and right axes, and are opened and closed by rotating around the pivotal support. Is configured.

Then, when the planting body is lowered, the lower part of the perforated nail plunges into the ridge of the field and is opened, whereby
A planting hole is formed in the ridge, the pot seedling held in the planting body is released into the planting hole, and then the planting hole is covered with soil by a soil cover device so that the seedling can be transplanted. There is. In the above, since the soil may adhere to the perforated nail when the perforated nail plunges into the ridge, and this may adversely affect the planting, a scraper for scraping off the adhered soil is provided. There is.

The scraper is supported by a guide tube through a link mechanism, and when the planting body projects into the ridge, it is located at the retracted position on the upper side with respect to the perforating claws, and when the planting body rises. It moves downward from the retracted position relative to the drilling claw to scrape off the adhered soil.

[0005]

In the above-mentioned conventional one, since the scraper is supported by the guide cylinder through the link mechanism, in order to make the scraper slidably contact the perforation claw, the scraper is spring-loaded. The opening and closing operations of the perforating claw are affected, and it is difficult to obtain a good opening and closing operation.

An object of the present invention is to eliminate the above problems.

[0007]

Means for Solving the Problems The technical means taken by the present invention to achieve the above-mentioned object comprises a plant body which is supported by an airframe so as to be able to move up and down. A pair of perforating claws that can be opened and closed by the pivoting movement around the pivoting part are provided, and when the planting body descends, the perforating claws are inserted into the field in a closed state and opened to hold in the planting body. A planting device of a transplanter configured to form a planting hole for transplanting the planted seedling, which slides on each punching nail and moves downward relative to the punching nail from an upper retracted position. In the one provided with a scraper for scraping off the adhered soil, the scraper is supported on each of the drilling claws so as to be vertically movable along the drilling claw, and each scraper pivotally supports one end side of the operating arm, Pivot the other end of each working arm to the implant Both there both actuating arm, in that in conjunction with the downward movement of one of the scraper and the other scraper was linked to downward.

[0008]

The soil attached to the punching nail is scraped off by the scraper moving downward relative to the punching nail from the upper retracted position. The scraper is supported by each of the punching pawls so as to be vertically movable along the outer surface thereof, and when one scraper is moved downward, the other scraper is moved downward by interlocking with the operating arm.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 5 and FIG. 6, the transplanter 1 has a walking type, and includes the moving device 2 and the transplanting device 3 mounted on the moving device 2. Hereinafter, the advancing direction of the transplanter 1 is referred to as the front-rear direction, and the lateral direction orthogonal to the advancing direction is referred to as the left-right direction.

The moving device 2 includes a body frame 4, an engine body 5 mounted on the frame body 4, a transmission case 6, a pair of left and right handles 7, and the like, and a traveling body that supports and moves the body body 8. And device 9. The traveling device 9 has a pair of left and right front wheels 10 and a pair of left and right rear wheels 11. The front wheel 10 is provided rotatably on a support shaft 12 provided at the front end of the vehicle body frame 4 via a support arm 13, and the rear wheel 11 is provided below the transmission case 14, and the power from the engine 5 is supplied. Is transmitted to the rear wheel 11 via the power transmission mechanism in the transmission case 14 and the like.
1 is rotationally driven.

The transplanting device 3 is mainly composed of a seedling frame feeding device 15, a seedling dispensing device 16, a planting device 17, and a soil covering device 18. It is rotatably pivoted around and the rear part is attached to the handle 7 by the elastic support mechanism 1.
The support frame 20 is mounted on a support frame 20 that is vertically movably supported by means of 9, and this support frame 20 is formed by vertically arranging one steel plate.

The seedling frame feeding device 15 is provided with a fixed frame 21 fixed to the support frame 20 in an inclined rearward rising direction, and a movable frame 22 supported on the front side of the fixed frame 21 so as to be movable in the left-right direction. A flexible seedling frame 24 accommodating a large number of pot seedlings 23 vertically and horizontally is mounted on the front surface side of the fixed frame 21 so as to be movable downward along the front surface of the fixed frame 21.

The seedling feeding device 16 is disposed on the rear surface side of the seedling frame 24 and pushes seedlings 23 one by one forward while the seedling frame 24 is laterally fed, and a seedling pushing rod 25. It comprises a seedling transport mechanism 26 that holds the seedlings 23 one by one and sends them to the planting device 17 for release. When the horizontal row of pot seedlings 23 of the seedling frame 24 are pushed out, the seedling frame 24 is sent downward by one pitch, and the movable frame 2 is moved in the opposite direction to the above.
2 is fed laterally and the seedling extrusion operation is continued.

As shown in FIGS. 1 to 4 and 6, the planting device 17 has a pair of front and rear first parallel links 27 whose upper ends are pivotally supported by the support frame 20. A swing plate 28 is pivotally attached to the lower end of 27, and the front ends of a pair of upper and lower second parallel links 29 are pivotally attached to the swing plate 28, and the planted body is attached to the rear end of the second parallel link 29. Three
0 is pivotally attached.

The planting body 30 is mainly composed of an upper guide cylinder 31 and a lower opener 32. The guide cylinder 31 is composed of a cylindrical body having a rectangular cross section with an upper and lower opening, and the opener 32 is a pair of front and rear piercing claws. It is formed in a beak shape which is tapered downward by 33, and the lower end opening of the guide cylinder 32 is openably and closably covered by the front and rear perforating claws 33. The perforating claws 33 are arranged at intervals in the left-right direction, and the left and right side walls 34 are tapered toward the lower side.
And a connecting wall 35 that connects the front and rear sides of the left and right side walls 34.
Is formed in a U-shape in a plan view, and the front and rear perforating claws 33 are formed.
Are arranged so that the open sides face each other. Further, the front and rear perforation claws 33 are supported by the guide cylinder 31 so as to be rotatable about the left and right shafts 36, and are closed by being urged by springs (not shown) in directions close to each other. It is designed to be opened by being rotated about 36 times in a direction away from each other.

The first parallel link 27 is the first crank mechanism 3
8 swings back and forth around the shaft support portion at the upper end, and the second parallel link 29 swings up and down around the shaft support portion at the front end by the second crank mechanism 39, so that the planting body 30 swings back and forth and up and down. Then, it moves in the direction of arrow B so as to draw a D-shaped locus A. Then, at the upper end of the locus A, the pot seedlings 23 are dropped and supplied from the seedling transport mechanism 26 to the planting body 30 with the perforated pawls 33 closed, and at the lower end of the locus A, the perforated pawls 33 have the ridges in the field. While rushing into C, it opens back and forth to form a planting hole 40 in the ridge C, and the pot seedling 23 is dropped and supplied into the planting hole 40, and then the drilling claw 33 reaches the upper end of the trajectory A. It is closed and the above operation is repeated. The planting hole 40 is covered with the soil cover device 18.

Guide members 41 made of wire or piano wire are provided on the inner surfaces of the left and right side walls 34 of the front and rear punching claws 33 via support shafts 48, respectively. The pot seedling 23 supplied by dropping is guided and held in the center of the opener 32. A guide groove 42 extending from the upper end to an intermediate portion in the vertical direction is formed in the connecting wall 35 of the front and rear punching claw 33, and a guide plate (guide member) 43 is vertically moved from the upper end opening of the guide groove 42 in the guide groove 42. It is freely inserted. The left and right side edges of the guide groove 42 on the upper end opening side are connected to the connecting wall 35 by a reinforcing plate 44 which is detachably attached and fixed by bolts.

Further, inside and outside scrapers 45 and 46, which are in sliding contact with the inside and outside surfaces of the connecting wall 35 of the perforation claws 33, are arranged on the inside and outside surfaces of the connecting wall 35.
Reference numerals 5 and 46 are plate bodies and are fixed to the guide plate 43. The inner and outer scrapers 45 and 46 are perforated claws 33.
Is vertically movably supported by the connecting wall 35 and is detachable.

Brackets 47 are provided on the upper portions of the front and rear outer scrapers 46, respectively, and one end side of the operating arms 49 and 50 is inserted into each bracket 47 so as to be rotatable around the left and right axes, and the other ends of the operating arms 49 and 50 are provided. The side is the groove 52 of the support piece 51 fixed to the connecting wall 35 of the front and rear punching claws 33.
Is rotatably inserted around the left and right axis. In addition, the support piece 51 is appropriately provided with means for preventing the operation arms 49 and 50 from coming off from the groove portion 52 on the other end side.

The front and rear scrapers 45, 46 are biased upward by a spring 53, and one end of an operating arm 49 connected to the rear inner and outer scrapers 45, 46 extends rearward. A cam roller 54 is provided at the end. Further, the operating arms 49 and 50 cross each other in a side view, and the operating arm 49 on the side provided with the cam roller 54 is in a plan view so as to be higher than the other operating arm 49 in the front-rear center portion of the opener 32. It is crossed.

A cam plate 55 located on the rear side of the locus A of the planting body 30 is attached and fixed to the rear part of the machine body 8, and the cam part 55a with which the cam roller 54 is engaged with the cam plate 55.
Are provided so as to project forward. In the above structure, when the planting body 30 holds the pot seedling 23 and descends, the inner and outer scrapers 45 and 46 provided on the front and rear punching claws 33 are urged by the spring 53, as shown in FIG. And is located at a retracted position above the portion of the perforation claw 33 that projects into the ridge C.

As shown in FIG. 1, the cam roller 54 contacts the lower end of the cam portion 55a of the cam plate 55 while the planting body 30 is moving upward, so that the inner and outer scrapers 45, 46 are moved upward. The inner and outer scrapers 45 and 46 on the rear side are restricted by the operation arm 49.
While sliding relatively downward along the connecting wall 35 with the other end side of the above as a fulcrum, the other operating arm 50 is pushed down by this operating arm 49, and the front and rear scrapers 45, 46 are operated. The soil attached to the inner and outer surfaces of the perforation claw 33 is scraped off by sliding relatively downward along the connecting wall 35 with the other end side of 50 as a fulcrum.

Next, when the inner and outer scrapers 45, 46 scrape off the soil adhering to the perforation claw 33, the cam roller 54 rides on the cam portion 55a, and the inner and outer scrapers 45, 46.
When the cam roller 54 moves upward together with the planting body 30 and the cam roller 54 is disengaged from the cam portion 55a, the spring 53 causes the inner and outer scrapers 45 and 46 to return to the upper position of the punching claw 33.

In the above embodiment, a pair of operating arms 4
The reference numerals 9 and 50 may be pivotally attached to the central portion of the front and rear perforation claws 33 so as to be rotatable around the left and right axes, and in that case, one of the front and rear springs 53 may be omitted.

[0025]

According to the present invention, a scraper is supported by each drilling claw so as to be vertically movable along the drilling claw, and one end side of the operating arm is pivotally supported by each scraper, while the other operating arms are supported. The scraper influences the opening and closing of the drilling claw by pivoting the end side to the plant and linking both operating arms so that one scraper moves downward and the other scraper moves downward. It is possible to satisfactorily perform the opening / closing operation of the perforating claw without affecting.

[Brief description of drawings]

FIG. 1 is a side sectional view of a main part of a planting device.

FIG. 2 is a side sectional view of a main part of the planting device.

FIG. 3 is a plan sectional view of a main part of the planting device.

FIG. 4 is a perspective view of a piercing claw.

FIG. 5 is an overall side view of the transplanter.

FIG. 6 is a side view of an implant device.

[Explanation of symbols]

 8 Aircraft 23 Pot Seedling 30 Planted Body 33 Perforated Claw 40 Planted Claw 45 Inner Scraper 46 Outer Scraper 49 Working Arm 50 Working Arm

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenkichi Nosaka 64 Ishizukitamachi, Sakai City, Osaka Prefecture Kubota Sakai Factory

Claims (2)

[Claims] 1. A planting body that is supported by a machine body so as to be able to move up and down, and a pair of perforating claws that are openable and closable by a pivoting motion around an upper pivoting part are provided at the bottom of the planting body. A planting device of a transplanter configured to form a planting hole for transplanting a seedling held in the plant by opening and opening the perforating claw in a closed state when the planting body descends. In addition, in each of the drilling claws, a scraper that scrapes off the attached soil by sliding down the drilling claws relative to the drilling claws from the upper retreat position is provided. Is vertically movably supported along the perforating claws, while pivotally supporting one end side of each operating arm on each scraper and pivotally supporting the other end side of each operating arm on the plant, both operating arms are In conjunction with the downward movement of one scraper, the other scraper Planting device implantation machine path is characterized in that in conjunction to move downward. 2. The scraper comprises inner and outer scrapers respectively arranged on the inner and outer surfaces of each punching claw, and a groove is formed in each punching claw in the vertical direction along the drilling claw, and the groove is slid vertically. The planting device for a transplanter according to claim 1, wherein the inner and outer scrapers are fixed to a guide member that is movably fitted.