JP2000175526A - Seedling holding table of rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a seedling holding table capable of directing the leaf of seedling on a seedling mat in one direction to prevent the damage to the seedling in the case of scraping the seedling with a planting claw by placing a specific cylindrical member under a seedling holding table capable of supporting a seedling mat wound in the form of a roll. SOLUTION: A cylindrical member 56 having grooves on the outer circumference is placed under a seedling holding table 20 capable of supporting a seedling mat 40 wound in the form of a roll. The cylindrical member 56 is preferably attached to a seedling mat press 58 and the side face of the cylindrical member 56 is preferably not protruded beyond the seedling mat press 58 toward the side of the seedling mat 40. The optimum position corresponding to the seedling mat 40 can be maintained and the excessive pressing of the seedling mat 40 with the cylindrical member 56 can be prevented by this structure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling mounting table of a rice transplanter which can support a seedling mat wound in a roll.

[0002]

2. Description of the Related Art Conventionally, a roll-shaped seedling mat formed by winding a long seedling mat in a belt shape is arranged on a seedling table arranged in a slanting posture of a front height and a low height so that it can be fed out. A rice transplanter configured as described above is known.

[0003]

However, since the roll-shaped seedling mat is formed by winding a long seedling mat in a belt shape, when set on the seedling mounting table, the direction of the leaves of the seedlings is not uniform. When a seedling for a plant is scraped from a seedling mat with a planting nail, the planting nail may damage the seedling. If the damaged seedling is planted as it is, the seedling will wither and die. There was a problem of becoming a stock. In view of the above, the present invention provides a method in which the leaves of the seedlings on the seedling mat are oriented in a certain direction so that the seedlings are not damaged when the seedlings of one strain are scraped off from the rolled seedling mat with a planting nail. The purpose is to obtain a seedling platform for a rice transplanter that can be used.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides the following rice seedling mounting table for rice transplanters. That is, a seedling mounting table of a rice transplanter, wherein a cylindrical member having a groove on an outer periphery is provided below a seedling mounting table configured to support a seedling mat wound in a roll shape. The cylindrical member is provided on the seedling mat retainer, and does not project from the holding surface of the seedling mat retainer to the seedling mat side in a side view.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below based on examples shown in the drawings. FIG. 1 is a schematic side view of a riding rice transplanter. First, the entire riding rice transplanter will be described. (1) is a traveling vehicle body on which an operator rides, and a transmission case (4) is provided at a rear portion of a vehicle body frame (3) on which an engine (2) is mounted, and both front sides of the transmission case (4) are provided. The front paddle traveling wheel (6) is supported via a front axle case (5), and the paddy traveling rear wheel (8) is supported via a rear axle case (7) on both rear sides of the transmission case (4). Have been. Further, spare seedling mounts (10) are attached to both sides of the hood (9) covering the engine (2) and the like, and the transmission case (4) and the like are covered by a body cover (12) having a step (11). Have been. A driver's seat (13) is mounted on the upper part of the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13). In addition, (15) is a clutch pedal, and (16) is a fertilizer.

[0006] (17) is, for example, a seedling table (2
0) and a planting section comprising a plurality of planting claws (29), etc., and a rectangular plate-like forward-tilt type seedling mounting table (20) having a front height and a low height.
The center and left and right planting transmission cases (2) are connected via a lower guide rail (18) and an upper guide rail (19).
6) is slidably supported to the left and right. Vertical ribs (21) are arranged at predetermined intervals on the upper surface of the seedling mounting table (20), and extend in the vertical direction so as to separate the stripes. On the lower side of the seedling mounting table (20), a vertical transport device configured by winding a vertical transport belt (25) around a drive shaft (23) and a driven shaft (24) arranged vertically in parallel. (22) is provided for each article.

A rotary case (27) rotating at a constant speed in one direction is supported by a planting transmission case (26).
A pair of planting claw cases (28) are disposed at positions symmetrical about the rotation axis of the rotary case (27), and a planting claw (29) is provided at the tip of the planting claw case (28). Is attached. A drive shaft (not shown) extended from the rear of the transmission case (4)
Is interlockingly connected to the planting transmission case (26) to reciprocate the seedling mounting table (20) from side to side and to drive the vertical transport device (22), the rotary case (27) and the planting claw case (28). It is supposed to do.

A hitch bracket (31) is pivotally attached to the front end of the planting transmission case (26) via a rolling fulcrum shaft (30) so as to be tiltable left and right, and is connected to the hitch bracket (31). Top link (3
The planting section (17) is connected to the rear side of the traveling vehicle body (1) by using a three-point elevating link mechanism including a 2) and a lower link (33). The planting section (17) is configured to be moved up and down by a telescopic operation of a hydraulic cylinder (34) interposed between the rear part of the traveling vehicle body (1) and the lower link (33). In addition, below the planting transmission case (26), the central and left and right planting uniform floats (35) (3)
6) is supported via a planting depth adjusting link (37) or the like, and the planting part (17) is lowered to float (3).
5) By landing (36), the seedling mounting table (20)
The planting depth of the seedlings taken out of the upper seedling mat is set.

In the riding rice transplanter having the above configuration,
In order to efficiently plant seedlings, use a roll-shaped seedling mat (40) obtained by winding a long seedling mat in a belt shape around the peripheral surface of the shaft roll (39), in addition to a normal seedling mat. There is. This seedling mat is seeded on non-woven paper that dissolves in fertilizer and raised by hydroponic cultivation. And can be formed lightly,
It can be wound into a roll. Therefore,
Next, the seedling mounting table (20) configured to support such a rolled seedling mat (40) will be further described.

FIG. 2 is a schematic side view of the seedling mounting table, FIG. 3 is a schematic front view thereof, FIG. 4 is a schematic side view showing a shaft supporting member, a connecting member and a fitting member, and FIG. , FIG.
1 is a schematic perspective view of a roll-shaped seedling mat. 2 to 6
As shown in the figure, the roll-shaped seedling mat (40) is supported on a shaft support member (44) provided on the seedling mounting table (20) on the shaft roll (39) of the roll-shaped seedling mat (40). A support roll (41) is inserted into the support roll (41), and a substantially cylindrical roll support shaft (42) protrudes from the center of the left and right sides of the support roll (41). And
Engagement part (45) of shaft support member (44) of seedling mounting table (20)
Then, the roll support (4) of the rolled seedling mat (40)
2) is locked, and the lower part of the roll-shaped seedling mat (40) is arranged so as to contact the vertical transport belt (25) of the vertical transport device (22), and the roll-shaped seedling mat (20) is placed on the seedling mounting table (20). The mat (40) is set so as to be able to be extended, and planting of seedlings is performed.

As described above, the vertical ribs (21) are arranged at predetermined intervals on the upper surface of the seedling mounting table (20), and the shaft support member (44) is located near each vertical rib (21) and 2 per article
They are arranged as one set facing each other. The pair of shaft support members (44) are fixed to the inner surface of the upper end portion on the side opposite to the locking portion (45) by welding the side surfaces of both ends of a substantially U-shaped connection member (48) in front view. The fitting members (49) are respectively connected to the lower surfaces of both ends of the connecting member (48) and the arc-shaped notches (47) formed at the upper end of the shaft support member (44). The upper surfaces at both ends are fixed by welding. The fitting member (49) can be fitted from above onto a support shaft (55) suspended on a bracket (54) attached to the vertical ribs (21) at the left and right ends of the seedling mounting table (20). A shaft support member (44), which is formed in a substantially U-shape when viewed from the side and one of which is opened, and formed into a substantially U-shape when viewed from the side;
And the connecting member (48) are pivotally supported so as to be rotatable integrally about the support shaft (55).

According to such a configuration, first, the roll-shaped seedling mat (40) is attached to the pivot member (44), and then the pivot member (44) is attached to the pivot ( 5
5), the rolled seedling mat (4
0) can be set on the seedling mounting table (20) from above.
The work of setting the roll-shaped seedling mat (40) on the seedling mounting table (20) in the central portion where there is no gap between the rolled seedling mats (20) can be performed easily and conveniently by one person. ) Can be set on the seedling mounting table (20). 4 and 5
As shown by, if the fitting member (49) is formed with tapered portions (50) and (51) in front and rear and left and right in a side view and a front view,
It becomes easy to fit into the support shaft (55), and the workability and handleability can be further improved.

Further, as described above, the shaft support member (44)
The roll support shaft (4) of the support roll (41)
2) is formed with a locking portion (45) that is rotatably and removably locked. As shown in FIG. 4, the locking portion (45) has a roll-shaped seedling mat (40). Due to its own weight, a notch (46) cut out in a substantially semicircular shape is formed outwardly on the tip side where the roll support shaft (42) comes into contact, and the roll support shaft (42) can be securely held. It has become. As shown in FIG. 6, a groove (43) having a width in which the shaft support member (44) can be fitted is provided on the peripheral surface of the roll support shaft (42).
2) can be fitted into the notch (46) of the shaft support member (44), and the shaft support member (44) can be fitted and held in the groove (43). Therefore, the movement of the roll-shaped seedling mat (40) in the vertical and horizontal directions is suppressed, thereby preventing the roll-shaped seedling mat (40) from rotating and vibrating itself and the loosening caused by the vibration of the riding rice transplanter. Therefore, it is possible to prevent the seedling mat from being fed poorly due to loosening.

Further, such a roll-shaped seedling mat (4)
In the case of 0), when cutting and scraping with the planting claw (29), there is a possibility that defective cutting may occur.
As shown in the figure, the outlet (3
8) The cutting blades (52) and (5)
3) is attached. The tips of the cutting blades (52) and (53) are formed so that the seedling mat side is at an acute angle. When scraping the seedlings of one plant on the seedling mat with the planting claws (29), the cutting blades come in three directions. It is configured to be able to cut. Therefore, the cutting property by the planting claw (29) is improved, and the planting posture and further the planting accuracy can be improved.

Further, the roll-shaped seedling mat (4)
In (0), when the seedlings of one plant are scraped with the planting claws (29), the leaves of the seedlings are often not oriented in a certain direction, and the leaves of the seedlings falling sideways toward the rear of the machine are often used. in case of,
When scraping with the planting claws (29), the leaves may be damaged, and if the seedlings are planted as they are, the seedlings will die and a lack of stock will occur. Therefore, in the present invention, in order to prevent such a case, when the seedling is scraped with the planting nail (29), the leaf posture of the seedling is forcibly set so that the leaf of the seedling always faces in a certain direction. It was configured to regulate. Hereinafter, the description will be made.

As shown in FIGS. 2 and 3, the seedling table (20)
At the lower part of the seedling mat, a seedling mat retainer (58) for preventing the raised seedling mat from lifting up, and the direction of the leaves of the seedling on the seedling mat is set in a certain direction, that is, in a posture inclined straight toward the front of the machine. A cylindrical member (56) having a groove (57) defined therein is provided, and a portion for feeding out a roll-shaped seedling mat (40) by a seedling mat presser (58) and a vertical transport device (22). The lower part of the seedling mat, which is vertically conveyed, is held down, and the lower part of the seedling mat is also held down by the cylindrical member (56).
The groove (57) formed on the outer peripheral surface of the
The direction of the leaves of the seedlings on the seedling mat at the time of scraping in 9) is forcibly regulated in a direction facing the front of the machine body (FIGS. 9 and 10).

That is, the cylindrical member (56) is rotatably supported on a bracket (60) rotatably supported at the lower part of the seedling mounting table (20) so that the axial center position can be adjusted and rotated. , Contact the upper surface of the lower end of the seedling mat to be transported vertically,
The seedling mat rotates smoothly in conjunction with the downward sliding of a certain amount. And this cylindrical member (5
The grooves (57) formed on the outer peripheral surface of (6) are formed in plural numbers along the rotation direction, preferably the same number as the number of times of lateral feeding of the seedling mounting table (20), and the width (W) of one pitch thereof As shown in FIG. 10, is formed so as to have the same width (D) that a suitable amount of seedling leaves that the planting nail (29) scrapes at a time can enter.

Therefore, the posture of the leaves of the seedlings when scraped by the planting claws (29) is reliably regulated so as to face the front of the machine, and the leaves of the seedlings are present in the locus of the planting claws (29). Therefore, the planting claw (29) can always scrape the root of the seedling, so that the cutting property is improved and there is no trouble such as damaging the leaves of the seedling. The groove (57) can divide the seedlings by the planting claws (29) so as to ensure a good amount of seedlings at one time, so that cohesive seedlings can be planted. Implanting accuracy can be improved. The cylindrical member (5)
According to 6), the seedling mat is laterally dragged by the planting claw (29) when the cutting failure occurs, that is, the planting claw (29) cuts and scrapes one seedling from the seedling mat. When it is not perfect, it is possible to prevent the seedling mat from being dragged in the lateral direction, which is caused by the lateral feeding of the seedling mounting table (20).

A base of a seedling mat holder (58) is fixed to a bracket (60) that supports the cylindrical member (56), and the cylindrical member (56) is attached to the seedling mat holder (58). ) So as to be able to be adjusted integrally with the seedling mounting table (20). Therefore, the cylindrical member (56) and the seedling mat holder (5
8) can always be arranged at a position where the action of preventing the floating of the seedling mat and the action of regulating the leaf posture of the seedling are in an optimum state. When the roll-shaped seedling mat (40) is set, it is rotated backward. Then, by changing the posture to the non-operation position, the setting operation can be performed easily. The cylindrical member (56) does not always project from the pressing surface (59) of the seedling mat press (58) toward the seedling mat, that is, the seedling mounting table (20) side in a side view. The seedling mat is configured not to be excessively pressed by the member (56).

Further, as shown in FIG. 11, the cylindrical member (56) may be forcibly driven to rotate. For example, the drive shaft (2) in the vertical transport device (22)
3) Alternatively, a gear (61) is attached to the driven shaft (24), and further from the gear (61) to the shaft (65) of the cylindrical member (56) via gears (62) (63) or a belt (not shown). When the attached gear (64) is configured to rotate, the cylindrical member (56) can be rotated according to a change in the vertical feed amount of the seedling, and the cylindrical member (56) is rotated.
By interlocking the amount of rotation of the seedling to be the same as the amount of vertical feeding of the seedling, bending and damage of the seedling can be reduced,
Smooth feeding of seedlings can be realized.

[0021]

As described above, according to the present invention, the lower part of the seedling table, which is configured to support the seedling mat wound in a roll shape,
Since the cylindrical member having a groove on the outer periphery is provided, it is possible to reliably regulate the orientation of the leaves of the seedlings on the seedling mat in a certain direction while securing a good seedling collection amount of the seedling mat, The seedlings can be prevented from being damaged to prevent the occurrence of a stock loss.
Further, when the cylindrical member is provided on the seedling mat holder, the position thereof changes according to the adjustment position of the seedling mat holder, so that an optimum position corresponding to the seedling mat can be secured. When the cylindrical member does not protrude toward the seedling mat side from the holding surface of the seedling mat holding member in a side view, it is possible to prevent the cylindrical member from pressing the seedling mat too much.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a riding rice transplanter.

FIG. 2 is a schematic side view of a seedling mounting table.

FIG. 3 is a schematic front view of the same.

FIG. 4 is a schematic side view showing a shaft support member, a connection member, and a fitting member.

FIG. 5 is a schematic front view of the above.

FIG. 6 is a schematic perspective view of a roll-shaped seedling mat.

FIG. 7 is a schematic side view showing an outlet of a seedling.

FIG. 8 is a plan view of the above.

FIG. 9 is a schematic side view showing a seedling mat and a cylindrical member.

FIG. 10 is a schematic plan view of the above.

FIG. 11 is a schematic side view showing a vertical transport device and a cylindrical member.

[Explanation of symbols]

 Reference Signs List 20 seedling mount 40 roll-shaped seedling mat 44 shaft support member 48 connecting member 49 insertion member 55 support shaft 56 cylindrical member 57 groove 58 seedling mat holder

Claims (3)

[Claims] 1. A seedling mounting for a rice transplanter, wherein a cylindrical member having a groove on an outer periphery is provided below a seedling mounting configured to support a seedling mat wound in a roll shape. 2. The seedling table of a rice transplanter according to claim 1, wherein the cylindrical member is provided on a seedling mat holder. 3. The seedling mounting table of a rice transplanter according to claim 1, wherein the cylindrical member does not project from the holding surface of the seedling mat holding member toward the seedling mat side in a side view.