JPH0751855Y2 - Seed supply device for rush transplanter - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a seedling supply device for a grass transplanter that enables the supply of saplings so that the seedlings can be stably taken out on the seedling pick-up plate side.

[Conventional technology]

Conventionally, in a grass transplanter that is constructed by slanting a laterally reciprocally movable seedling mounting table above a seedling discharging plate having a seedling discharging port, seedling holders are always in contact with seedlings on the seedling mounting table. Therefore, the structure is such that the seedlings can be prevented from moving to the seedling take-out plate side.

[Problems to be solved by the device]

However, in the case of rush seedlings, the roots are large and the foliage is long, so when the seedlings are fed vertically on the seedling mounting table, the seedling retainer is caught and the vertical feeding becomes defective, and a stump occurs during planting. I was presenting.

[Means for Solving the Problems]

The present invention solves such a problem and makes it possible to reliably and satisfactorily supply and stop rush seedlings on the extraction side.Therefore, the bottom surface of the seedling mounting table is vertically concave. A comb-toothed shutter fork (4) provided via an arm is provided above the lower part of the seedling placing table which is formed to be curved and is slightly spaced from the front surface of the seedling removing plate, and the seedling placing table is provided. The shutter fork (4) is constructed so as to be vertically moved by the rotation of an arm pivotally supported by a support shaft horizontally mounted on the seedling mounting table so that the shutter fork (4) moves upward when the lateral movement of (3) is stopped. .

[Action]

Therefore, it is possible to place the grass seedlings well on the bottom that is curved in a concave shape and feed vertically so that the seedlings can be vertically fed. The seedlings can be satisfactorily collected while preventing the seedlings from moving in the same direction, and the shutter fork can move up well so that it does not interfere with the vertical feeding of the rush seedlings during the vertical feeding.

〔Example〕

 Next, an embodiment shown in the drawings will be described.

FIG. 2 shows a side view of the hay transplanter, in which the transplanter (A) can be raised and lowered via the link mechanism (7) behind the four-wheeled passenger car (B) having the handle (5), seat (6), etc. In the transplanting device (A), a lateral L-shaped seedling take-out plate (2) is laterally provided above each planting case (9) installed above each float (8). Above the take-out plate (2), a plurality of seedling mounts (3) that can reciprocate laterally are installed obliquely, and each planting claw (10) connected to each planting case (9) has the aforementioned It is constructed so as to scrape the rush seedlings and plant them on the rice field while passing through the respective seedling take-out ports (1) of the seedling take-out plate (2).

Each seedling mounting table (3) is formed such that the bottom surface (3a) is curved in a concave shape in the vertical direction, and a bending extension portion (3b) that bends downward is formed at the upper end of each seedling mounting table (3) so that the spacing is maintained. The upper and lower ends of the seedling mounting bases (3) that are arranged side by side are connected to the upper and lower ends of the support frame (11) of the quadrangular frame that reciprocates in the lateral direction, respectively. A cassette stand (12) loaded with rush seedlings is detachably fitted in the midway portion, and on the front surface of the seedling takeout plate (2) standing on both sides of each seedling takeout port (1), A belt (13) which is connected to the seedling placing table (3) side and can be rotated is stretched.

A moving table (1) having rollers (14) capable of contacting the bottom surface and both side surfaces of the seedling table (3) and the cassette table (12).
In front of 5), a seedling pushing plate (16) is installed in series, and the moving table (1
At the lower part of the connecting frame (17) extending from both sides of the seedling mounting table (3) to the lower side of the seedling mounting table (3), both rollers (14a) capable of contacting the lower surface of the seedling mounting table (3) are provided. ),
A constant pressure spring roll (19) is erected on a bracket (18) which is provided below the inclined lower side of the seedling mounting table (3), and the constant pressure spring roll (19) is fed out and constantly biased by a pulling force. The tip of the spring band (19a) is connected to the lower part of the connecting frame (17), and the take-up reel (21) with the ratchet (20) is stayed (22) above the upper end of the seedling stand (3). ), The take-up reel (21) can be reversely driven by a rotary lever (24) with a claw (23), and a wire (25) extending from the take-up reel (21) is It is configured by being connected to a moving table (15).

A comb-shaped shutter fork (4) is vertically movably installed above the lower part of the seedling placing table (3), which is slightly spaced from the standing front surface of the seedling removing plate (2). 3) The support shaft (25) that is laid below the seedling mounting table (3)
A support plate (28) erected between the ends of both arms (27) by pivotally supporting the bases of arms (27) (27) extending upward on both sides of the arm (27) (27).
The shutter fork (4) is hung vertically, and both tension springs (30) are connected between the upper ends of both sides of the support plate (28) and the lower bracket (29), respectively. ), The rollers (33) that can contact the lower surfaces of the arms (27) are respectively mounted on the ends of the arms (32) extending from the support shaft (31) that is horizontally supported under Axis (3
The driven cam (34) fixed to 1) is installed so that it can abut against the rotating cam (35) at the end of the lateral movement of the seedling table (3).

Also, the upper part of the shutter fork (4) consisting of each fork rod (4a) is placed on the lower front side of the support plate (28) as shown in FIG. 7 so that the foliage of the rush may not be caught on the upper part. Fix and fix the tip (4b) of each fork rod (4a)
In order to allow the roots of rush seedlings to enter with little resistance when descending and hold the seedlings properly, and to lift the seedlings without lifting when moving up, squeeze them into elongated shapes as shown in Figs. 9 to 11. And the tension spring (30) is
As shown in FIG. 7, a tension spring is provided so that the amount of extension of the spring can be reduced in order to reduce the load on the transmission system that moves the shutter fork (4) upward by tensioning the spring force. While the connecting point (X) of (30) changes to (Y), the length (l) becomes shorter than the length (L), and a θ angle of 90 degrees or less is obtained from the X-Y moving direction. It is installed and configured so that it will operate.

Therefore, in a state where the cassette stand (12) loaded with rush seedlings is fitted in the middle part of the seedling stand (3) to replenish the seedlings,
Since the bottom surface (3a) of the seedling mounting table (3) and the bottom surface of the cassette table (12) are curved in a concave shape in the vertical direction, the roots are large and the stalk teeth are elongated, so that seedling collapse does not occur. As a result, it can be placed stably.

When the take-up reel (21) is in a free state, the seedling pushing plate (16) is indicated by an arrow (a) by pulling the spring band (19a).
The rush of grass will be fed vertically while moving at a constant pressure in the direction, but at the time of seedling removal, the shutter fork (4) that is lowered by the tension spring (30) is at the lower end side, as shown in Figs. 1 and 7. Press the rush seedling from above to stop the movement in the vertical direction, and press the shutter fork (4).
The rush seedling between the seedling pick-up plate (2) and the front of the seedling pick-up plate (2) moves laterally together with the seedling stand (3), and moves to the seedling pick-up port (1) as indicated by the arrow (b). Each plant will be planted on the rice field while being scraped off by the planting claw (10).

When the lateral row on the tip side is scraped off and the lateral movement of the seedling stand (3) is stopped, the rotary cam (35) rotating in the direction of the arrow (c) abuts the driven cam (34). The arm (32) is rotated upward, and at the same time, the roller (33) pulls the arm (27) upward against the tension spring (30) and moves upward, as shown by the phantom line in FIG. The shutter fork (4) will be moved upwards, where the seedling pushing plate (16) that is pressed by a constant pressure causes the rush seedlings on the front end side to go under the shutter fork (4) to the seedling removing plate (2) side. When the rotary cam (35) is separated from the driven cam (34) immediately after that, the shutter fork (4) pulled by the tension spring (30) descends again. I will hold down the seedlings.

When the cassette table (12) is attached to the seedling placing table (3), the rotary lever (24) is rotated to move in the winding horizontal direction, and the arrow () is attached to the seedling take-out opening (1). The planting claws (10) that move as shown in () will scrape each plant one by one and plant it on the rice field.

When the lateral row on the tip side is scraped off and the lateral movement of the seedling stand (3) is stopped, the rotary cam (35) rotating in the direction of the arrow (c) abuts the driven cam (34). The arm (32) is rotated upward, and at the same time, the roller (33) pulls the arm (27) upward against the tension spring (30) and moves upward, as shown by the phantom line in FIG. The shutter fork (4) will be moved upwards, where the seedling pushing plate (16) that is pressed by a constant pressure causes the rush seedlings on the front end side to go under the shutter fork (4) to the seedling removing plate (2) side. When the rotary cam (35) is separated from the driven cam (34) immediately after that, the shutter fork (4) pulled by the tension spring (30) descends again. I will hold down the seedlings.

When the cassette table (12) is attached to the seedling placing table (3), the rotary lever (24) is rotated to wind the wire (25) by the take-up reel (21). 16) can be pulled up and stored in the upward bending extension portion (3b) of the seedling placing table (3) as shown by the phantom line in FIG.

FIG. 12 and FIG. 13 show another example, which has substantially the same structure as that of the above-described embodiment as indicated by the same reference numeral, but the support plate (28)
The chrysanthemums (36) (36) on both sides of the upper part of the robot are engaged with the chrysanthemums (37) (37) on the inner side of the tips of both arms (27), and the shutter fork (4) is changed by changing the engagement of the chrysanthemums. While rotating as shown by the arrow (d), the distance (e) between the shutter fork (4) and the front surface of the seedling take-out plate (2) was adjusted to adjust the amount of seedlings to be taken. It is a thing.

FIG. 14 and FIG. 15 show still another example, which has substantially the same structure as that of the above-described embodiment as indicated by the same reference numeral, but has a driven cam (34) fixed to abut with the rotating cam (35). The lower parts of both arms (27) are loosely fitted to the pivoting support shaft (38), and the arms (27)
A clutch (40) that can be engaged and disengaged with a clutch (39) spline-fitted to a rotary support shaft (38) is fixed to the lower part of the so that the clutch (39) can be turned on and off by a wire (41) or the like. Then, when the shutter fork (4) is turned off and the shutter fork (4) is lowered by the tension spring (30), so-called stapling can be performed.

[Effect of device]

In this way, the present invention is formed by bending the bottom surface of the seedling mounting table in a concave shape in the vertical direction, and is provided above the lower part of the seedling mounting table, which is slightly spaced from the front surface of the seedling removing plate, via an arm. A comb-shaped shutter fork is provided, and the shutter fork is moved up and down by the rotation of an arm pivotally supported by a spindle horizontally mounted on the seedling table so that the shutter fork moves upward when the lateral movement of the seedling table is stopped. Since it was constructed by erection, it will be possible to stably place the rush seedlings on the bottom of the seedling mounting table curved in a concave shape so that the posture is not disturbed, and to feed it vertically, The comb-shaped shutter fork provided via the arm can be lowered by the rotation of the arm to prevent the seedling from moving in the vertical direction while hitting the seedling, so that the seedling can be reliably removed. And also vertical feed In addition, the shutter fork provided via the arm can be moved up well without disturbing the vertical feeding of the grass seedlings, and stable grass seedlings can be taken out from the seedling take-out opening, which is easy. It has the feature that it can be suitably implemented as a structure.

[Brief description of drawings]

FIG. 1 is a side view of a main part of the present invention, FIG. 2 is a side view of a hay transplanter, and FIG. 3 is a top view of the same.
The figure is a side view in which a part of the seedling table is cut away, FIG. 5 is a top view of each seedling table, FIG. 6 is a side sectional view of a part of FIG. 2, and FIG. 8 is an explanatory view showing a mounting state of FIG. 7, FIG. 9 is a side view of the fork rod, FIG. 10 is a front view thereof, and FIG. 11 is a bottom view of FIG. FIG. 12 is a side view of another example, FIG. 13 is a front view of a part thereof, FIG. 14 is a further side view, and FIG. 15 is a front view of a part thereof. (1) ... Seedling take-out port, (2) ... Seedling take-out plate (3) ... Seedling stand, (4) ... Shutter fork

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yasushi Yoneda 1-32 Chaya-cho, Kita-ku, Osaka-shi, Osaka Prefecture Koichi Hoshino, Examiner, Yanmar Agricultural Machinery Co., Ltd. (56) A) JP-A-1-160407 (JP, A) Actually opened 56-85530 (JP, U) Actually opened 59-6422 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A grazing transplanter comprising a seedling table (2) having a seedling taking-out port (1) and a laterally reciprocally movable seedling placing table (3) provided obliquely to the seedling taking-out plate (2). The bottom surface (3a) of the mounting table (3) is formed so as to be curved in a concave shape in the vertical direction, and is located above the lower part of the seedling mounting table (3), which is slightly spaced from the front surface of the seedling taking-out plate (2). A comb-teeth shaped shutter fork (4) provided via an arm is provided, and the shutter fork (4) is laid horizontally on the seedling placing table so as to move upward when the lateral movement of the seedling placing table (3) is stopped. A seedling feeding device constructed by being constructed so as to be vertically driven by the rotation of an arm pivotally supported by a support shaft.