JPH067412U - Rice transplanter seedling stand device - Google Patents

Abstract

(57) [Summary] [Purpose] Sliding resistance of the seedbed soil against the partition wall of the seedling mounting table is reduced as much as possible to enable smooth and reliable seedling sliding during seedling feeding, resulting in poor seedling sliding. The purpose is to eliminate missing stocks and variations in the number of plantings to further improve planting accuracy. [Structure] Out of the bottom plate 9 of the seedling placing table 8, the left and right ends of the bottom plate 9 connected to the partition wall 13 are extended from above the seedling placing table 8 to the feeding direction of the seedling vertical feeding mechanism 11 and to the lower side. The height was raised along the line.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a seedling table device for a rice transplanter, which enables smooth and reliable seedling sliding during seedling feeding.

[0002]

[Prior art]

 In general, rice transplanters regardless of whether they are a riding type or a walking type use a mat-shaped seedling (mat seedling) loaded on the bottom plate of a seedling mounting table that is slanted so that it can freely reciprocate left and right. The vertical feed mechanism provided below the bottom plate of the seedling mounting table on the side of the harvesting end) slides the seedbed soil of the mat seedlings along the bottom plate of the seedling mounting table and feeds it out one by one from the one end to the other end. The seedlings are scraped off one by one and planted on the rice field. In addition, a partition wall is provided on the bottom plate of the seedling placing table so as to partition each row of mat seedlings along the seedling feeding direction, and the mat seedlings that have been raised for a predetermined period using a nursery box are separated from the seedling placing base plate. It is designed to be loaded between the walls and planted.

[0003]

[Problems to be solved by the device]

 However, in the past, when the mat seedlings were fed vertically, the seedlings did not slide smoothly due to various causes, and as a result, the number of plantlets lacked and the number of plantings varied, resulting in problems such as poor planting accuracy. The cause is as follows. That is, firstly, the intervals between the partition walls of the seedling mounting table and the inner size of the nursery box are standardized (the inner width of each partition wall is 283 mm, the inner width of the nursery box is usually 280 mm). When mat seedlings are placed on the seedling mounting table, there is a slight margin (3 mm), but some seedling raising boxes do not meet the standard, and seedling raising boxes are used for raising seedlings. When such mat seedlings are used, the side end faces of the seedbed soil come into strong contact with the wall surface of the partition wall, which increases the sliding resistance of the seedbed soil during vertical feeding. Secondly, when the mat seedlings are taken out of the nursery box and transported, the mat seedlings are generally rolled in a roll shape so that they are easy to hold, but at that time, the seedbed soil is pressed and stretched and deformed in the lateral direction. Occurs. Thirdly, the mat soil seedlings cultivated using a clay soil or an alternative soil such as an artificial mat, tend to stick the soil floor surface to the partition wall. Fourth, in the case of narrow seedlings, the mat seedlings are moved in the direction opposite to the movement direction of the seedling mounting table, and only the rubbing resistance on one side becomes large.

[0004]

[Means for Solving the Problems]

 The present invention was devised to solve the above-mentioned problems, and a mat seedling loaded on the bottom plate of a seedling mounting table that is slantably movable left and right can be mounted on the side of the seedling mounting table that moves left and right. In the rice transplanter in which the seedlings are picked up one by one by the planting rod and planted on the rice field while being sequentially fed out by the vertical feed mechanism provided below the bottom plate of the seedling mounting table, the bottom plate of the seedling mounting table is used. The gist of the present invention is that the part of the partition wall that projects along the seedling feeding direction along each seedling is continuous from above the seedling placing table to the lower side in the feeding direction of the vertical feed mechanism.

[0005]

[Action]

 When the mat seedlings are placed on the bottom plate of the seedling stand, the place where the left and right ends of the mat seedbed soil are located on the bottom plate of the seedling stand, that is, the part that is continuous with the partition wall rises along the seedling feeding direction. Because of the height of the mat seedling, the edge of the mat seedling on the soil side is forcibly curved upward by this raised portion. For this reason, since the soil end surface of the mat seedlings does not come into contact with the partition wall, the seedlings slide smoothly and reliably during the vertical feed operation.

[0006]

【Example】

 The structure of the present invention will be described with reference to an embodiment shown in the drawings. Reference numeral 1 denotes a planting section which is mounted on a running section 3 of a riding rice transplanter equipped with a fertilizer application device 2 so as to be able to move up and down via an elevating link 4. , A planting rod 7 and a seedling table 8 which is slanted so as to be able to reciprocate left and right. Further, below the bottom plate 9 of the seedling placing table 8, a seedling vertical feed mechanism 11 comprising a vertical feed belt 10 with a protrusion 10a having a feeding action surface facing the opening 9a of the bottom plate 9 is provided at the front edge of the mat seedbed soil. Is disposed on the side close to the apron 12 that receives and supports. Reference numeral 12a denotes a seedling scraping opening formed in a notch in the apron 12, and a plurality of seedling scraping openings 12a are provided at positions corresponding to each of the planting rods 7 and in conformity with the rotation locus thereof. The vertical feed mechanism 11 intermittently rotates immediately after the last one plant located at the lateral end on the lateral movement end side of the seedling mounting table 8 is scraped off by the planting rod 7 and intermittently rotated. The function is to feed the mat seedlings (a in FIG. 5) on the mounting base bottom plate 9 sequentially to the apron 12 side by one pitch (longitudinal scraping width) (not shown in detail because it is known). Reference numeral 13 denotes a partition wall which projects along the seedling feeding direction on the seedling mounting table 8 at predetermined intervals for each row. In this embodiment, the partition wall 13 and the seedling mounting table bottom plate 9 are separate bodies. The side end side of the bottom plate 9 is superposed on the base end overhanging piece 13a of the partition wall 13 and fixed integrally with the rivet 14. The bottom plate 9 and the partition wall 13 may be integrally formed of synthetic resin or the like.

By the way, a portion of the seedling placing base bottom plate 9 connected to each partition wall 13 (left and right end portions of the bottom plate 9 in the illustrated example) is located above the seedling placing base 8 in the seedling feeding direction of the vertical feeding mechanism 11. Over the lower side, that is, from the upper end of the slope of the seedling table 8 to the lower end of the slope, the height is raised, and a raised portion P is formed in this portion. 2 to 5 are constructed such that the thicknesses of the left and right end portions of the bottom plate 9 are gradually increased toward the edges. Reference numeral 15 is a recess for mounting a rivet.

6 to 11, a strip-shaped body 16 having a predetermined width w and a predetermined height h is attached to the upper surfaces of the left and right end portions of the bottom plate 9, and the raised portion P is formed by the strip-shaped body 16. The tape 16a having a small friction resistance and slippery is integrally polymer-bonded to the upper surface of the belt-like body 16. The cross-sectional shape of the strip 16 may be a wide rectangular shape as shown in FIG. 9 or a trapezoidal shape whose height gradually increases toward the partition wall 13 as shown in FIG. In addition, in the above-mentioned embodiment, the seedling mount device of the riding rice transplanter has been described, but the present invention can be applied to a walking type rice transplanter.

In the above configuration, when the mat seedling a is placed on the bottom plate 9 of the seedling placing table 8, the part of the bottom plate 9 of the seedling placing table which is continuous with the partition wall 13, that is, the left and right side end portions of each bottom plate 9 are placed on the seedling placing plate. Since the elevation is raised along the seedling feeding direction from the upper side of the platform 8 to the lower side of the vertical feeding mechanism 11 in the seedling feeding direction, the raised portion P causes the left and right ends of the seedbed soil b in the mat seedling a to be both sides. Is forced to bend upward as shown in FIGS. 5 and 10. Therefore, a gap y is formed between the left and right end surfaces c of the mat seedbed soil b and the partition wall 13, and the two do not contact each other over the entire length in the longitudinal direction. In addition, even for a wide mat seedling, the length of the seedling soil end surface c with respect to the partition wall 13 can be increased in the same manner as described above because the length can be increased (released) on the left and right sides by the forced bending action of the raised portion P. The contact can be eliminated. Therefore, the sliding resistance of the seedbed soil b to the partition wall 13 can be eliminated, so that the seedlings can be slid smoothly and reliably during the vertical seedling feeding operation. Even if the breadth of the seedbed soil b is too wide, the bed soil edge surface c of the mat seedling a comes into surface contact with the partition wall 13 due to the upward bending of the seedbed soil side end portion. Since the mat seedlings a can be loaded on the seedling placing base bottom plate 9 without being in line contact with each other, the sliding resistance of the seedbed soil b to the partition wall 13 can be minimized. Further, when the seedling width is narrower than the standard, the mat seedling a is too close to one side in the conventional seedling mounting table due to the reaction caused by the lateral movement of the seedling mounting table, and the seedbed soil edge surface is in the other side. Although there was a large gap between c and the partition wall 13, it was unavoidable that a stump was not generated. However, in the present invention, the raised portions P are formed by raising the left and right ends of the bottom plate 9 of the seedling stand to form a raised portion P. Since the mat seedling a does not lean toward one side like the seedling mounting table in (1), this problem is eliminated. As a result, the range of application of the mat seedling a to the seedling mounting table 8 can be greatly expanded. In addition, generally, as shown in FIG. 8, the seedlings are supplied to the seedling mounting table 8 with the auxiliary seedlings (not shown) mounted on the scraper S from the scraper S from the upper side in the feeding direction of the seedling mounting table 8. After inserting it between the left and right partition walls 13, the base end handle side of the scraper S is lifted by hand to slide the auxiliary seedlings onto the bottom plate 9. Since the left and right ends of S are surely placed on the raised portions P formed at both ends of the bottom plate 9, the auxiliary seedlings can be easily transferred.

[0010]

[Effect of device]

 Since the present invention is configured as described above, it is possible to eliminate or minimize the sliding resistance of the seedbed soil to the partition wall, so that the seedlings can be slid smoothly and reliably when seedlings are fed out, and the seedlings are not slippery. It is possible to eliminate the occurrence of stockouts and variations in the number of plantings, which further improves planting accuracy.

[Brief description of drawings]

FIG. 1 is a side view of a riding rice transplanter equipped with the present invention.

FIG. 2 is a plan view of a seedling table.

FIG. 3 is a cross-sectional front view of a seedling mounting table.

FIG. 4 is an enlarged sectional front view of a main part.

FIG. 5 is an explanatory diagram showing an operation of a main part.

FIG. 6 is a side view of a riding rice transplanter equipped with another embodiment of the present invention.

FIG. 7 is a plan view of a seedling stand showing another embodiment.

FIG. 8 is a cross-sectional front view of a seedling placing table showing another embodiment.

FIG. 9 is an enlarged cross-sectional front view of a main part of another embodiment.

FIG. 10 is an explanatory diagram showing the operation of another embodiment.

FIG. 11 is a sectional front view showing another cross-sectional shape of the band-shaped body.

[Explanation of symbols]

 7 Planted rod 8 Seedling platform 11 Vertical feeding mechanism for seedlings 13 Partition wall a Mat seedling b Mat seedling soil for seedling c Soil edge surface P P heap

Claims (1)

[Scope of utility model registration request] 1. A matte seedling loaded on a bottom plate of a seedling mounting table which is slantably movable left and right, is sequentially fed out by a vertical feed mechanism provided below the bottom plate of the seedling mounting table at the left and right moving end side of the seedling mounting table. While seedlings were planted on the rice field by scraping the seedlings one by one with the planting rod, the bottom plate of the seedling mounting base was projected on each seedling mounting base along the seedling feeding direction. A seedling table device of a rice transplanter, characterized in that a part connected to the partition wall is elevated from above the seedling table to a lower side in a feeding direction of the vertical feeding mechanism.