JP2561481Y2 - Seedling conveyor belt for transplanter - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention is mounted on a traveling machine, transforms a band-shaped seedling from a laid-down state to a standing state on a seedling mounting table, and transports the seedling to a field scene using a planting claw of a planting device. The present invention relates to a seedling transport belt of a transplanting machine to be attached.

[0002]

BACKGROUND OF THE INVENTION The present inventor has proposed a band-shaped seedling in which a plant seedling such as rush is sandwiched between both sides with a paper adhesive tape and the tape portion is wound around with a thread from outside. A transplanting machine is proposed which has a transplanting section that cuts at a predetermined number of plants at the end of transport of the strip and then transplants it to the field scene with planting claws that perform planting motion (Japanese Patent Application No. 3-180340). .

[0003] In such a transplanting machine, a transplanting section is mounted on the rear part of the traveling body so as to be able to move up and down, and a driving seat is provided at the center of the body in the traveling direction of the traveling body, and the driver sits there. Planting is performed while traveling on a field scene in a predetermined direction while riding and operating the traveling aircraft. A seedling box is supported on a seedling box support frame at the upper part of the transplanting section, and a first transport mechanism for holding the belt-shaped seedlings in the seedling box in a lying state and transporting the seedlings downward for planting, A second transport mechanism for transforming the strip-shaped seedlings into a standing shape and transferring the seedlings to the seedling feeding device side, and a planting guide is provided at the feeding end portion of the seedling feeding device so that the planting rod is planted. Seedlings are planted on the field scene with nails. Generally, these transplanters are planted in a plurality of rows.

In the above-mentioned first transport mechanism, a seedling transport belt is provided at a lower portion between a plurality of partition plates, and a predetermined gap corresponding to the thickness of the band-shaped seedling transported on the transport surface of the belt is maintained. A seedling holding transport belt is provided, and the seedling holding transport belt is vertically movable up and down around a drive shaft on the seedling transport end side. Next, in the above-described second transport mechanism, two pulleys that are vertically parallel at the seedling transport start end side and hold the belt-shaped seedling in a laid state, and the belt-shaped seedling are transformed into an upright state at the seedling transport end side. There are provided two seedling transport belts for transporting band-shaped seedlings, each of which is formed by extending an endless belt between two pulleys which stand upright and parallel in the left and right directions.

Therefore, in the above-mentioned second transport mechanism, the belt-shaped seedlings of the seedling transport belt are turned 90 degrees from the lying state to the standing state. One tension roller is provided in the vicinity of each pulley of the two seedling transport belts at the transport start end in order to deflect and apply tension to each belt.

[0006]

However, since each seedling transport belt that comes into contact with these tension rollers is twisted around the contact portion with these tension rollers, each seedling transport belt is displaced from the tension roller. There is a problem that it comes off or comes off. For this reason, during the transformation of the band-shaped seedling in the lying state into the standing state, the position of the conveyed band-shaped seedling is shifted with respect to the seedling body direction. It may be disturbed, making smooth feeding, cutting and planting impossible.

The present invention is directed to a seedling for a transplanting machine which can prevent the displacement of the band-shaped seedling due to the twist of the belt and the belt from coming off the tension roll when the posture of the band-shaped seedling is changed from the lying state to the standing state as described above. It is an object to provide a conveyor belt.

[0008]

To achieve the above object, a seedling transport belt of a transplanter according to the present invention transports a band-shaped seedling along the upper surface of a seedling mounting table. In a planting machine configured to be cut into a predetermined number by a cutting device provided in the section and planted in a field by a planting claw provided at a tip of a planting rod, a band-shaped seedling is placed on the seedling mounting table. Of each of the flanged tension rollers that turn each belt in the vicinity of the transport start end of the two seedling transport belts that transport while changing the posture from the lying state to the upright state and apply tension to each belt When the belt rises , the upper tension roller is
Conical or truncated cone that tapers toward the edge of the rut
And when the belt rises,
The belt is biased in the direction from the side of the belt to the other side, and the lower tension roller is
The belt is biased and supported in the direction from the side of the belt to the other side .

[0009]

[Operation] The seedling transport belt is changed from a horizontal state to a vertical state.
Turned 90 °. At this time, by providing a pair of upper and lower tension rollers on the transport starting end side, the upper belt receives a reaction force from the rising side of the belt by urging the tension roller from the opposite direction, and receives the lower side. The belt can receive the reaction force acting from the opposite side, there is no displacement of the band-shaped seedling sandwiched between the two seedling transport belts, and the seedling transport belt is held by the tension roller flange and does not come off. .

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall side view of an implanter according to an embodiment of the present invention, and FIG. 2 is an enlarged side view of the implanter of FIG. FIG. 3 is a perspective view of the transport mechanism of the band-shaped seedling of FIG. 2 as viewed from the back, and FIG. 4 is a perspective view of a main part of a transport end portion of the second transport mechanism of FIG.

First, FIGS. 1 and 2 show the overall structure of a transplanting machine, 1 is a traveling body having driving wheels and steering wheels, and a multi-row transplanting section 2 is lifted and lowered at the rear thereof. Link
1a, a spare seedling support frame 5 for supporting a seedling box 4 for accommodating band-shaped seedlings in a zigzag manner is provided at the front of the traveling machine 1;
A driver's seat 6 is provided in the center of the vehicle 1 in the body traveling direction F as shown in each drawing.

Further, a first transport mechanism 10 for transporting the band-shaped seedlings of the seedling box 4 supported by the seedling box support frame 9 of the transplanting section 2 downward while holding the same in a laid state, and a belt-shaped seedling conveyed therefrom. A second transport mechanism 30 which is transformed into a standing shape and transferred to the seedling feeding device 11 is provided along the seedling mounting table 2a for each strip, and a planting end portion of each of the seedling feeding devices 11 is provided with a plant. Guide 13 is provided and drive case 14
The seedlings are planted in the field by the planting claws 16 at the tips of the planting rods 15 pivotally supported at a predetermined angle.

As for the details of the transplant portion of the present invention,
Japanese Patent Application No. 3-180340, Japanese Patent Application No. 3-56680 and Japanese Patent Application No. 3
-69034 and the like, and the structure of the parts not described in this specification and the description thereof, refer to the specification and drawings of these applications. On the other hand, as shown in FIG. 3, the first transport mechanism 10 has a seedling transport belt 17 of an endless belt at a lower portion between the partition plates 12 and a seedling transport belt at an upper portion thereof.
The seedling holding transport belt 18 is provided so as to move in the same direction synchronously while maintaining the thickness of the band-shaped seedlings from 17, and the seedling holding transport belt 18 is further provided with a drive shaft 19 as a fulcrum, as indicated by an arrow X in the figure. As described above, the belt-shaped seedlings are provided so as to be freely undulated up and down so that the belt-shaped seedlings can be easily sandwiched between the belts 17 and 18.

Next, as shown in FIG. 3, the second transport mechanism 30 holds the band-shaped seedlings at a predetermined gap, ie, while holding the thickness of the band-shaped seedlings, in the lying state at the starting end side of the seedling transport as shown in FIG. Between the two pulleys 31 and 32 held vertically and two pulleys 33 and 34 erected parallel to the left and right at the end of seedling transfer in FIG. Are provided with two seedling transport belts 40 and 41, each comprising an endless belt.

FIG. 5 shows the transport start end of the seedling transport belts 40 and 41, and FIG. 4 shows the transport end thereof.
The belt holding surface is twisted to change the band-shaped seedlings of the two seedling conveying belts 40 and 41 from the horizontal posture to the standing posture by 90 °. A pair of left and right tension rollers 42 and 43 are provided so as to always maintain the belt holding surface in a tensioned state at the transport end portion.

On the other hand, as shown in FIG. 5, these seedling transport belts 40 and 41 are located near the transport start ends thereof.
Two tension rollers 45, 46 for applying tension to keep the belt clamping surface in a tension state while keeping the belt holding surface in a tension state while twisting 40, 41 from the horizontal direction to the vertical direction, respectively, up and down along the seedling mounting table 2a. It is provided for the seedling transport belts 40 and 41.

The upper and lower tension rollers 45, 46
The upper tension roller 45 is connected to the lower belt 4 when the belt 40 rises as shown in FIG.
The belt 4 is urged in the direction from the side 0 to the other side , that is , in the direction opposite to the left side in the figure as shown by the arrow f.
0 is tensioned as much as possible, and is fixed to the roller shaft 52 with the pin 51 after inserting the washer 50. When the belt rises , the lower tension roller 46 is
The belt 41 is urged in the direction from the side of the belt to the other side , that is, from the left side in the figure as indicated by the arrow g.
And put the washer 50 in the upper pin 51
To the roller shaft 52.

In this embodiment, the body of the upper tension roller 45 has a conical shape along the twist of the belt 40 so as not to hinder the twist of the belt 40. In addition, both tension rollers 45, 46 are provided with a flange portion 48 to prevent the belts 40, 41 from coming off due to the reaction force due to the twist for changing the direction of the seedling transport belts 40, 41, and to make each tension roller 45 , 46 are urged in the directions of the arrows f and g, respectively, to thereby receive the above-described reaction forces.

Further, in the present invention, since the flange portion is provided on each tension roller, there is an advantage that the belt does not come off from the tension roller. In FIG.
Numeral 53 denotes a tight roller, which is rotatably supported by a tight shaft 54 located on the back of the seedling carrying belt 41 and urges the back of the seedling carrying belt 41 in the direction of arrow h. The belt-like seedlings are sandwiched and transported between them. Since the pressing force is applied to the tension roller 46 as shown by the arrow g to prevent the displacement of the seedling transport belt 41, the seedling transport belt 41 on the tight roller 53 is placed on the roller 53. Can be moved in the axial direction.

[0020]

[Effect of the Invention] The seedling transport belt of the transplanter of the present invention transports the band-shaped seedlings along the upper surface of the seedling mounting table, and cuts the seedlings into a predetermined number by a cutting device provided at the lower end of the seedling mounting table. In a planting machine configured to be cut and planted in a field by a planting claw provided at a tip of a planting rod, a belt-shaped seedling is transported by changing its posture from a falling state to a standing state on the seedling mounting table. In the vicinity of the transport start ends of the two seedling transport belts, each belt is deflected, and among the tension rollers with flanges that apply tension to each belt, the upper tension roller is moved upward when the belt rises. When
Conical or truncated tapering towards the side of the belt
While it is configured conical, when the belt has risen
When the belt is urged in the direction from the lower side of the belt to the other side , the lower tension roller is raised.
The belt is biased and supported in a direction from the side of the upper belt to the other side .

Therefore, when the belt is deflected by the tension roller in order to change the posture of the band-shaped seedling from the lying state to the upright state, the reaction force acting on the belt without hindering the twisting of the belt is provided by the flange. The belt-shaped seedlings can be received by the tension roller, and the belt-shaped seedlings are securely pinched between the two seedling transport belts that are always in a tension state, and the belt-shaped seedlings to be transformed are not displaced during the transformation process. The posture can be smoothly transported in a normal state. As a result, there is an effect that a series of operations of feeding, cutting, and planting of the seedling in the subsequent process can be smoothly performed.

[Brief description of the drawings]

FIG. 1 is an overall side view of an implanter according to an embodiment of the present invention.

FIG. 2 is an enlarged side view of the implanter of FIG. 1;

3 is a perspective view of the belt-shaped seedling transfer mechanism of FIG. 2 as viewed from a transfer surface of a seedling mounting table.

FIG. 4 is a perspective view illustrating a main part of a transport end portion of the second transport mechanism in FIG. 3;

FIG. 5 is a front sectional view of a main part in an AA direction of FIG. 3;

[Explanation of symbols]

40, 41 Seedling conveyor belt 45, 46 Tension roller 48 Flange 50 Washer 51 Pin

Claims (1)

(57) [Scope of request for utility model registration] 1. A belt-shaped seedling is transported along an upper surface of a seedling mounting table, cut into a predetermined number by a cutting device provided at a lower end portion of the seedling mounting table, and provided at a tip of a planting rod. In a planting machine configured to be planted in a field by a planting claw, a transfer start end of two seedling transfer belts for transferring a band-shaped seedling on the seedling mounting table from a falling state to a standing state while changing its posture. The belt rises up the upper tension roller among the flanged tension rollers that deflects each belt and applies tension to each belt in the vicinity of
Taper toward the upper side of the belt when
Conical or truncated cone shape and belt
Biased in <br/> direction toward the other side from the side of the belt to be lower when raised, up belt the lower tension roller
When going up, go from the side of the belt that is on the top to the other side
Seedling transfer belt of transplanter supported by biasing in the direction .